Commit | Line | Data |
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1da177e4 LT |
1 | /* |
2 | * forcedeth: Ethernet driver for NVIDIA nForce media access controllers. | |
3 | * | |
4 | * Note: This driver is a cleanroom reimplementation based on reverse | |
5 | * engineered documentation written by Carl-Daniel Hailfinger | |
87046e50 | 6 | * and Andrew de Quincey. |
1da177e4 LT |
7 | * |
8 | * NVIDIA, nForce and other NVIDIA marks are trademarks or registered | |
9 | * trademarks of NVIDIA Corporation in the United States and other | |
10 | * countries. | |
11 | * | |
1836098f | 12 | * Copyright (C) 2003,4,5 Manfred Spraul |
1da177e4 LT |
13 | * Copyright (C) 2004 Andrew de Quincey (wol support) |
14 | * Copyright (C) 2004 Carl-Daniel Hailfinger (invalid MAC handling, insane | |
15 | * IRQ rate fixes, bigendian fixes, cleanups, verification) | |
f648d129 | 16 | * Copyright (c) 2004,2005,2006,2007,2008 NVIDIA Corporation |
1da177e4 LT |
17 | * |
18 | * This program is free software; you can redistribute it and/or modify | |
19 | * it under the terms of the GNU General Public License as published by | |
20 | * the Free Software Foundation; either version 2 of the License, or | |
21 | * (at your option) any later version. | |
22 | * | |
23 | * This program is distributed in the hope that it will be useful, | |
24 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
25 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
26 | * GNU General Public License for more details. | |
27 | * | |
28 | * You should have received a copy of the GNU General Public License | |
29 | * along with this program; if not, write to the Free Software | |
30 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
31 | * | |
32 | * Changelog: | |
33 | * 0.01: 05 Oct 2003: First release that compiles without warnings. | |
34 | * 0.02: 05 Oct 2003: Fix bug for nv_drain_tx: do not try to free NULL skbs. | |
35 | * Check all PCI BARs for the register window. | |
36 | * udelay added to mii_rw. | |
37 | * 0.03: 06 Oct 2003: Initialize dev->irq. | |
38 | * 0.04: 07 Oct 2003: Initialize np->lock, reduce handled irqs, add printks. | |
39 | * 0.05: 09 Oct 2003: printk removed again, irq status print tx_timeout. | |
40 | * 0.06: 10 Oct 2003: MAC Address read updated, pff flag generation updated, | |
41 | * irq mask updated | |
42 | * 0.07: 14 Oct 2003: Further irq mask updates. | |
43 | * 0.08: 20 Oct 2003: rx_desc.Length initialization added, nv_alloc_rx refill | |
44 | * added into irq handler, NULL check for drain_ring. | |
45 | * 0.09: 20 Oct 2003: Basic link speed irq implementation. Only handle the | |
46 | * requested interrupt sources. | |
47 | * 0.10: 20 Oct 2003: First cleanup for release. | |
48 | * 0.11: 21 Oct 2003: hexdump for tx added, rx buffer sizes increased. | |
49 | * MAC Address init fix, set_multicast cleanup. | |
50 | * 0.12: 23 Oct 2003: Cleanups for release. | |
51 | * 0.13: 25 Oct 2003: Limit for concurrent tx packets increased to 10. | |
52 | * Set link speed correctly. start rx before starting | |
53 | * tx (nv_start_rx sets the link speed). | |
54 | * 0.14: 25 Oct 2003: Nic dependant irq mask. | |
55 | * 0.15: 08 Nov 2003: fix smp deadlock with set_multicast_list during | |
56 | * open. | |
57 | * 0.16: 15 Nov 2003: include file cleanup for ppc64, rx buffer size | |
58 | * increased to 1628 bytes. | |
59 | * 0.17: 16 Nov 2003: undo rx buffer size increase. Substract 1 from | |
60 | * the tx length. | |
61 | * 0.18: 17 Nov 2003: fix oops due to late initialization of dev_stats | |
62 | * 0.19: 29 Nov 2003: Handle RxNoBuf, detect & handle invalid mac | |
63 | * addresses, really stop rx if already running | |
64 | * in nv_start_rx, clean up a bit. | |
65 | * 0.20: 07 Dec 2003: alloc fixes | |
66 | * 0.21: 12 Jan 2004: additional alloc fix, nic polling fix. | |
67 | * 0.22: 19 Jan 2004: reprogram timer to a sane rate, avoid lockup | |
68 | * on close. | |
69 | * 0.23: 26 Jan 2004: various small cleanups | |
70 | * 0.24: 27 Feb 2004: make driver even less anonymous in backtraces | |
71 | * 0.25: 09 Mar 2004: wol support | |
72 | * 0.26: 03 Jun 2004: netdriver specific annotation, sparse-related fixes | |
73 | * 0.27: 19 Jun 2004: Gigabit support, new descriptor rings, | |
74 | * added CK804/MCP04 device IDs, code fixes | |
75 | * for registers, link status and other minor fixes. | |
76 | * 0.28: 21 Jun 2004: Big cleanup, making driver mostly endian safe | |
77 | * 0.29: 31 Aug 2004: Add backup timer for link change notification. | |
78 | * 0.30: 25 Sep 2004: rx checksum support for nf 250 Gb. Add rx reset | |
79 | * into nv_close, otherwise reenabling for wol can | |
80 | * cause DMA to kfree'd memory. | |
81 | * 0.31: 14 Nov 2004: ethtool support for getting/setting link | |
4ea7f299 | 82 | * capabilities. |
22c6d143 | 83 | * 0.32: 16 Apr 2005: RX_ERROR4 handling added. |
8f767fc8 MS |
84 | * 0.33: 16 May 2005: Support for MCP51 added. |
85 | * 0.34: 18 Jun 2005: Add DEV_NEED_LINKTIMER to all nForce nics. | |
f49d16ef | 86 | * 0.35: 26 Jun 2005: Support for MCP55 added. |
dc8216c1 MS |
87 | * 0.36: 28 Jun 2005: Add jumbo frame support. |
88 | * 0.37: 10 Jul 2005: Additional ethtool support, cleanup of pci id list | |
c2dba06d MS |
89 | * 0.38: 16 Jul 2005: tx irq rewrite: Use global flags instead of |
90 | * per-packet flags. | |
4ea7f299 AA |
91 | * 0.39: 18 Jul 2005: Add 64bit descriptor support. |
92 | * 0.40: 19 Jul 2005: Add support for mac address change. | |
93 | * 0.41: 30 Jul 2005: Write back original MAC in nv_close instead | |
b3df9f81 | 94 | * of nv_remove |
4ea7f299 | 95 | * 0.42: 06 Aug 2005: Fix lack of link speed initialization |
1b1b3c9b | 96 | * in the second (and later) nv_open call |
4ea7f299 AA |
97 | * 0.43: 10 Aug 2005: Add support for tx checksum. |
98 | * 0.44: 20 Aug 2005: Add support for scatter gather and segmentation. | |
99 | * 0.45: 18 Sep 2005: Remove nv_stop/start_rx from every link check | |
a971c324 | 100 | * 0.46: 20 Oct 2005: Add irq optimization modes. |
7a33e45a | 101 | * 0.47: 26 Oct 2005: Add phyaddr 0 in phy scan. |
1836098f | 102 | * 0.48: 24 Dec 2005: Disable TSO, bugfix for pci_map_single |
fa45459e | 103 | * 0.49: 10 Dec 2005: Fix tso for large buffers. |
ee407b02 | 104 | * 0.50: 20 Jan 2006: Add 8021pq tagging support. |
0832b25a | 105 | * 0.51: 20 Jan 2006: Add 64bit consistent memory allocation for rings. |
d33a73c8 | 106 | * 0.52: 20 Jan 2006: Add MSI/MSIX support. |
86a0f043 | 107 | * 0.53: 19 Mar 2006: Fix init from low power mode and add hw reset. |
84b3932b | 108 | * 0.54: 21 Mar 2006: Fix spin locks for multi irqs and cleanup. |
eb91f61b | 109 | * 0.55: 22 Mar 2006: Add flow control (pause frame). |
ebe611a4 | 110 | * 0.56: 22 Mar 2006: Additional ethtool config and moduleparam support. |
5070d340 | 111 | * 0.57: 14 May 2006: Mac address set in probe/remove and order corrections. |
7e680c22 | 112 | * 0.58: 30 Oct 2006: Added support for sideband management unit. |
c5cf9101 | 113 | * 0.59: 30 Oct 2006: Added support for recoverable error. |
21828163 | 114 | * 0.60: 20 Jan 2007: Code optimizations for rings, rx & tx data paths, and stats. |
1da177e4 LT |
115 | * |
116 | * Known bugs: | |
117 | * We suspect that on some hardware no TX done interrupts are generated. | |
118 | * This means recovery from netif_stop_queue only happens if the hw timer | |
119 | * interrupt fires (100 times/second, configurable with NVREG_POLL_DEFAULT) | |
120 | * and the timer is active in the IRQMask, or if a rx packet arrives by chance. | |
121 | * If your hardware reliably generates tx done interrupts, then you can remove | |
122 | * DEV_NEED_TIMERIRQ from the driver_data flags. | |
123 | * DEV_NEED_TIMERIRQ will not harm you on sane hardware, only generating a few | |
124 | * superfluous timer interrupts from the nic. | |
125 | */ | |
e27cdba5 SH |
126 | #ifdef CONFIG_FORCEDETH_NAPI |
127 | #define DRIVERNAPI "-NAPI" | |
128 | #else | |
129 | #define DRIVERNAPI | |
130 | #endif | |
8148ff45 | 131 | #define FORCEDETH_VERSION "0.61" |
1da177e4 LT |
132 | #define DRV_NAME "forcedeth" |
133 | ||
134 | #include <linux/module.h> | |
135 | #include <linux/types.h> | |
136 | #include <linux/pci.h> | |
137 | #include <linux/interrupt.h> | |
138 | #include <linux/netdevice.h> | |
139 | #include <linux/etherdevice.h> | |
140 | #include <linux/delay.h> | |
141 | #include <linux/spinlock.h> | |
142 | #include <linux/ethtool.h> | |
143 | #include <linux/timer.h> | |
144 | #include <linux/skbuff.h> | |
145 | #include <linux/mii.h> | |
146 | #include <linux/random.h> | |
147 | #include <linux/init.h> | |
22c6d143 | 148 | #include <linux/if_vlan.h> |
910638ae | 149 | #include <linux/dma-mapping.h> |
1da177e4 LT |
150 | |
151 | #include <asm/irq.h> | |
152 | #include <asm/io.h> | |
153 | #include <asm/uaccess.h> | |
154 | #include <asm/system.h> | |
155 | ||
156 | #if 0 | |
157 | #define dprintk printk | |
158 | #else | |
159 | #define dprintk(x...) do { } while (0) | |
160 | #endif | |
161 | ||
bea3348e SH |
162 | #define TX_WORK_PER_LOOP 64 |
163 | #define RX_WORK_PER_LOOP 64 | |
1da177e4 LT |
164 | |
165 | /* | |
166 | * Hardware access: | |
167 | */ | |
168 | ||
5289b4c4 AA |
169 | #define DEV_NEED_TIMERIRQ 0x00001 /* set the timer irq flag in the irq mask */ |
170 | #define DEV_NEED_LINKTIMER 0x00002 /* poll link settings. Relies on the timer irq */ | |
171 | #define DEV_HAS_LARGEDESC 0x00004 /* device supports jumbo frames and needs packet format 2 */ | |
172 | #define DEV_HAS_HIGH_DMA 0x00008 /* device supports 64bit dma */ | |
173 | #define DEV_HAS_CHECKSUM 0x00010 /* device supports tx and rx checksum offloads */ | |
174 | #define DEV_HAS_VLAN 0x00020 /* device supports vlan tagging and striping */ | |
175 | #define DEV_HAS_MSI 0x00040 /* device supports MSI */ | |
176 | #define DEV_HAS_MSI_X 0x00080 /* device supports MSI-X */ | |
177 | #define DEV_HAS_POWER_CNTRL 0x00100 /* device supports power savings */ | |
178 | #define DEV_HAS_STATISTICS_V1 0x00200 /* device supports hw statistics version 1 */ | |
179 | #define DEV_HAS_STATISTICS_V2 0x00400 /* device supports hw statistics version 2 */ | |
180 | #define DEV_HAS_TEST_EXTENDED 0x00800 /* device supports extended diagnostic test */ | |
181 | #define DEV_HAS_MGMT_UNIT 0x01000 /* device supports management unit */ | |
182 | #define DEV_HAS_CORRECT_MACADDR 0x02000 /* device supports correct mac address order */ | |
183 | #define DEV_HAS_COLLISION_FIX 0x04000 /* device supports tx collision fix */ | |
184 | #define DEV_HAS_PAUSEFRAME_TX_V1 0x08000 /* device supports tx pause frames version 1 */ | |
185 | #define DEV_HAS_PAUSEFRAME_TX_V2 0x10000 /* device supports tx pause frames version 2 */ | |
186 | #define DEV_HAS_PAUSEFRAME_TX_V3 0x20000 /* device supports tx pause frames version 3 */ | |
1da177e4 LT |
187 | |
188 | enum { | |
189 | NvRegIrqStatus = 0x000, | |
190 | #define NVREG_IRQSTAT_MIIEVENT 0x040 | |
c5cf9101 | 191 | #define NVREG_IRQSTAT_MASK 0x81ff |
1da177e4 LT |
192 | NvRegIrqMask = 0x004, |
193 | #define NVREG_IRQ_RX_ERROR 0x0001 | |
194 | #define NVREG_IRQ_RX 0x0002 | |
195 | #define NVREG_IRQ_RX_NOBUF 0x0004 | |
196 | #define NVREG_IRQ_TX_ERR 0x0008 | |
c2dba06d | 197 | #define NVREG_IRQ_TX_OK 0x0010 |
1da177e4 LT |
198 | #define NVREG_IRQ_TIMER 0x0020 |
199 | #define NVREG_IRQ_LINK 0x0040 | |
d33a73c8 AA |
200 | #define NVREG_IRQ_RX_FORCED 0x0080 |
201 | #define NVREG_IRQ_TX_FORCED 0x0100 | |
c5cf9101 | 202 | #define NVREG_IRQ_RECOVER_ERROR 0x8000 |
a971c324 | 203 | #define NVREG_IRQMASK_THROUGHPUT 0x00df |
096a458c | 204 | #define NVREG_IRQMASK_CPU 0x0060 |
d33a73c8 AA |
205 | #define NVREG_IRQ_TX_ALL (NVREG_IRQ_TX_ERR|NVREG_IRQ_TX_OK|NVREG_IRQ_TX_FORCED) |
206 | #define NVREG_IRQ_RX_ALL (NVREG_IRQ_RX_ERROR|NVREG_IRQ_RX|NVREG_IRQ_RX_NOBUF|NVREG_IRQ_RX_FORCED) | |
c5cf9101 | 207 | #define NVREG_IRQ_OTHER (NVREG_IRQ_TIMER|NVREG_IRQ_LINK|NVREG_IRQ_RECOVER_ERROR) |
c2dba06d MS |
208 | |
209 | #define NVREG_IRQ_UNKNOWN (~(NVREG_IRQ_RX_ERROR|NVREG_IRQ_RX|NVREG_IRQ_RX_NOBUF|NVREG_IRQ_TX_ERR| \ | |
d33a73c8 | 210 | NVREG_IRQ_TX_OK|NVREG_IRQ_TIMER|NVREG_IRQ_LINK|NVREG_IRQ_RX_FORCED| \ |
c5cf9101 | 211 | NVREG_IRQ_TX_FORCED|NVREG_IRQ_RECOVER_ERROR)) |
1da177e4 LT |
212 | |
213 | NvRegUnknownSetupReg6 = 0x008, | |
214 | #define NVREG_UNKSETUP6_VAL 3 | |
215 | ||
216 | /* | |
217 | * NVREG_POLL_DEFAULT is the interval length of the timer source on the nic | |
218 | * NVREG_POLL_DEFAULT=97 would result in an interval length of 1 ms | |
219 | */ | |
220 | NvRegPollingInterval = 0x00c, | |
4e16ed1b | 221 | #define NVREG_POLL_DEFAULT_THROUGHPUT 970 /* backup tx cleanup if loop max reached */ |
a971c324 | 222 | #define NVREG_POLL_DEFAULT_CPU 13 |
d33a73c8 AA |
223 | NvRegMSIMap0 = 0x020, |
224 | NvRegMSIMap1 = 0x024, | |
225 | NvRegMSIIrqMask = 0x030, | |
226 | #define NVREG_MSI_VECTOR_0_ENABLED 0x01 | |
1da177e4 | 227 | NvRegMisc1 = 0x080, |
eb91f61b | 228 | #define NVREG_MISC1_PAUSE_TX 0x01 |
1da177e4 LT |
229 | #define NVREG_MISC1_HD 0x02 |
230 | #define NVREG_MISC1_FORCE 0x3b0f3c | |
231 | ||
0a62677b | 232 | NvRegMacReset = 0x34, |
86a0f043 | 233 | #define NVREG_MAC_RESET_ASSERT 0x0F3 |
1da177e4 LT |
234 | NvRegTransmitterControl = 0x084, |
235 | #define NVREG_XMITCTL_START 0x01 | |
7e680c22 AA |
236 | #define NVREG_XMITCTL_MGMT_ST 0x40000000 |
237 | #define NVREG_XMITCTL_SYNC_MASK 0x000f0000 | |
238 | #define NVREG_XMITCTL_SYNC_NOT_READY 0x0 | |
239 | #define NVREG_XMITCTL_SYNC_PHY_INIT 0x00040000 | |
240 | #define NVREG_XMITCTL_MGMT_SEMA_MASK 0x00000f00 | |
241 | #define NVREG_XMITCTL_MGMT_SEMA_FREE 0x0 | |
242 | #define NVREG_XMITCTL_HOST_SEMA_MASK 0x0000f000 | |
243 | #define NVREG_XMITCTL_HOST_SEMA_ACQ 0x0000f000 | |
244 | #define NVREG_XMITCTL_HOST_LOADED 0x00004000 | |
f35723ec | 245 | #define NVREG_XMITCTL_TX_PATH_EN 0x01000000 |
1da177e4 LT |
246 | NvRegTransmitterStatus = 0x088, |
247 | #define NVREG_XMITSTAT_BUSY 0x01 | |
248 | ||
249 | NvRegPacketFilterFlags = 0x8c, | |
eb91f61b AA |
250 | #define NVREG_PFF_PAUSE_RX 0x08 |
251 | #define NVREG_PFF_ALWAYS 0x7F0000 | |
1da177e4 LT |
252 | #define NVREG_PFF_PROMISC 0x80 |
253 | #define NVREG_PFF_MYADDR 0x20 | |
9589c77a | 254 | #define NVREG_PFF_LOOPBACK 0x10 |
1da177e4 LT |
255 | |
256 | NvRegOffloadConfig = 0x90, | |
257 | #define NVREG_OFFLOAD_HOMEPHY 0x601 | |
258 | #define NVREG_OFFLOAD_NORMAL RX_NIC_BUFSIZE | |
259 | NvRegReceiverControl = 0x094, | |
260 | #define NVREG_RCVCTL_START 0x01 | |
f35723ec | 261 | #define NVREG_RCVCTL_RX_PATH_EN 0x01000000 |
1da177e4 LT |
262 | NvRegReceiverStatus = 0x98, |
263 | #define NVREG_RCVSTAT_BUSY 0x01 | |
264 | ||
265 | NvRegRandomSeed = 0x9c, | |
266 | #define NVREG_RNDSEED_MASK 0x00ff | |
267 | #define NVREG_RNDSEED_FORCE 0x7f00 | |
268 | #define NVREG_RNDSEED_FORCE2 0x2d00 | |
269 | #define NVREG_RNDSEED_FORCE3 0x7400 | |
270 | ||
9744e218 | 271 | NvRegTxDeferral = 0xA0, |
fd9b558c AA |
272 | #define NVREG_TX_DEFERRAL_DEFAULT 0x15050f |
273 | #define NVREG_TX_DEFERRAL_RGMII_10_100 0x16070f | |
274 | #define NVREG_TX_DEFERRAL_RGMII_1000 0x14050f | |
275 | #define NVREG_TX_DEFERRAL_RGMII_STRETCH_10 0x16190f | |
276 | #define NVREG_TX_DEFERRAL_RGMII_STRETCH_100 0x16300f | |
277 | #define NVREG_TX_DEFERRAL_MII_STRETCH 0x152000 | |
9744e218 AA |
278 | NvRegRxDeferral = 0xA4, |
279 | #define NVREG_RX_DEFERRAL_DEFAULT 0x16 | |
1da177e4 LT |
280 | NvRegMacAddrA = 0xA8, |
281 | NvRegMacAddrB = 0xAC, | |
282 | NvRegMulticastAddrA = 0xB0, | |
283 | #define NVREG_MCASTADDRA_FORCE 0x01 | |
284 | NvRegMulticastAddrB = 0xB4, | |
285 | NvRegMulticastMaskA = 0xB8, | |
bb9a4fd1 | 286 | #define NVREG_MCASTMASKA_NONE 0xffffffff |
1da177e4 | 287 | NvRegMulticastMaskB = 0xBC, |
bb9a4fd1 | 288 | #define NVREG_MCASTMASKB_NONE 0xffff |
1da177e4 LT |
289 | |
290 | NvRegPhyInterface = 0xC0, | |
291 | #define PHY_RGMII 0x10000000 | |
292 | ||
293 | NvRegTxRingPhysAddr = 0x100, | |
294 | NvRegRxRingPhysAddr = 0x104, | |
295 | NvRegRingSizes = 0x108, | |
296 | #define NVREG_RINGSZ_TXSHIFT 0 | |
297 | #define NVREG_RINGSZ_RXSHIFT 16 | |
5070d340 AA |
298 | NvRegTransmitPoll = 0x10c, |
299 | #define NVREG_TRANSMITPOLL_MAC_ADDR_REV 0x00008000 | |
1da177e4 LT |
300 | NvRegLinkSpeed = 0x110, |
301 | #define NVREG_LINKSPEED_FORCE 0x10000 | |
302 | #define NVREG_LINKSPEED_10 1000 | |
303 | #define NVREG_LINKSPEED_100 100 | |
304 | #define NVREG_LINKSPEED_1000 50 | |
305 | #define NVREG_LINKSPEED_MASK (0xFFF) | |
306 | NvRegUnknownSetupReg5 = 0x130, | |
307 | #define NVREG_UNKSETUP5_BIT31 (1<<31) | |
95d161cb AA |
308 | NvRegTxWatermark = 0x13c, |
309 | #define NVREG_TX_WM_DESC1_DEFAULT 0x0200010 | |
310 | #define NVREG_TX_WM_DESC2_3_DEFAULT 0x1e08000 | |
311 | #define NVREG_TX_WM_DESC2_3_1000 0xfe08000 | |
1da177e4 LT |
312 | NvRegTxRxControl = 0x144, |
313 | #define NVREG_TXRXCTL_KICK 0x0001 | |
314 | #define NVREG_TXRXCTL_BIT1 0x0002 | |
315 | #define NVREG_TXRXCTL_BIT2 0x0004 | |
316 | #define NVREG_TXRXCTL_IDLE 0x0008 | |
317 | #define NVREG_TXRXCTL_RESET 0x0010 | |
318 | #define NVREG_TXRXCTL_RXCHECK 0x0400 | |
8a4ae7f2 | 319 | #define NVREG_TXRXCTL_DESC_1 0 |
d2f78412 AA |
320 | #define NVREG_TXRXCTL_DESC_2 0x002100 |
321 | #define NVREG_TXRXCTL_DESC_3 0xc02200 | |
ee407b02 AA |
322 | #define NVREG_TXRXCTL_VLANSTRIP 0x00040 |
323 | #define NVREG_TXRXCTL_VLANINS 0x00080 | |
0832b25a AA |
324 | NvRegTxRingPhysAddrHigh = 0x148, |
325 | NvRegRxRingPhysAddrHigh = 0x14C, | |
eb91f61b | 326 | NvRegTxPauseFrame = 0x170, |
5289b4c4 AA |
327 | #define NVREG_TX_PAUSEFRAME_DISABLE 0x0fff0080 |
328 | #define NVREG_TX_PAUSEFRAME_ENABLE_V1 0x01800010 | |
329 | #define NVREG_TX_PAUSEFRAME_ENABLE_V2 0x056003f0 | |
330 | #define NVREG_TX_PAUSEFRAME_ENABLE_V3 0x09f00880 | |
1da177e4 LT |
331 | NvRegMIIStatus = 0x180, |
332 | #define NVREG_MIISTAT_ERROR 0x0001 | |
333 | #define NVREG_MIISTAT_LINKCHANGE 0x0008 | |
eb798428 AA |
334 | #define NVREG_MIISTAT_MASK_RW 0x0007 |
335 | #define NVREG_MIISTAT_MASK_ALL 0x000f | |
7e680c22 AA |
336 | NvRegMIIMask = 0x184, |
337 | #define NVREG_MII_LINKCHANGE 0x0008 | |
1da177e4 LT |
338 | |
339 | NvRegAdapterControl = 0x188, | |
340 | #define NVREG_ADAPTCTL_START 0x02 | |
341 | #define NVREG_ADAPTCTL_LINKUP 0x04 | |
342 | #define NVREG_ADAPTCTL_PHYVALID 0x40000 | |
343 | #define NVREG_ADAPTCTL_RUNNING 0x100000 | |
344 | #define NVREG_ADAPTCTL_PHYSHIFT 24 | |
345 | NvRegMIISpeed = 0x18c, | |
346 | #define NVREG_MIISPEED_BIT8 (1<<8) | |
347 | #define NVREG_MIIDELAY 5 | |
348 | NvRegMIIControl = 0x190, | |
349 | #define NVREG_MIICTL_INUSE 0x08000 | |
350 | #define NVREG_MIICTL_WRITE 0x00400 | |
351 | #define NVREG_MIICTL_ADDRSHIFT 5 | |
352 | NvRegMIIData = 0x194, | |
353 | NvRegWakeUpFlags = 0x200, | |
354 | #define NVREG_WAKEUPFLAGS_VAL 0x7770 | |
355 | #define NVREG_WAKEUPFLAGS_BUSYSHIFT 24 | |
356 | #define NVREG_WAKEUPFLAGS_ENABLESHIFT 16 | |
357 | #define NVREG_WAKEUPFLAGS_D3SHIFT 12 | |
358 | #define NVREG_WAKEUPFLAGS_D2SHIFT 8 | |
359 | #define NVREG_WAKEUPFLAGS_D1SHIFT 4 | |
360 | #define NVREG_WAKEUPFLAGS_D0SHIFT 0 | |
361 | #define NVREG_WAKEUPFLAGS_ACCEPT_MAGPAT 0x01 | |
362 | #define NVREG_WAKEUPFLAGS_ACCEPT_WAKEUPPAT 0x02 | |
363 | #define NVREG_WAKEUPFLAGS_ACCEPT_LINKCHANGE 0x04 | |
364 | #define NVREG_WAKEUPFLAGS_ENABLE 0x1111 | |
365 | ||
366 | NvRegPatternCRC = 0x204, | |
367 | NvRegPatternMask = 0x208, | |
368 | NvRegPowerCap = 0x268, | |
369 | #define NVREG_POWERCAP_D3SUPP (1<<30) | |
370 | #define NVREG_POWERCAP_D2SUPP (1<<26) | |
371 | #define NVREG_POWERCAP_D1SUPP (1<<25) | |
372 | NvRegPowerState = 0x26c, | |
373 | #define NVREG_POWERSTATE_POWEREDUP 0x8000 | |
374 | #define NVREG_POWERSTATE_VALID 0x0100 | |
375 | #define NVREG_POWERSTATE_MASK 0x0003 | |
376 | #define NVREG_POWERSTATE_D0 0x0000 | |
377 | #define NVREG_POWERSTATE_D1 0x0001 | |
378 | #define NVREG_POWERSTATE_D2 0x0002 | |
379 | #define NVREG_POWERSTATE_D3 0x0003 | |
52da3578 AA |
380 | NvRegTxCnt = 0x280, |
381 | NvRegTxZeroReXmt = 0x284, | |
382 | NvRegTxOneReXmt = 0x288, | |
383 | NvRegTxManyReXmt = 0x28c, | |
384 | NvRegTxLateCol = 0x290, | |
385 | NvRegTxUnderflow = 0x294, | |
386 | NvRegTxLossCarrier = 0x298, | |
387 | NvRegTxExcessDef = 0x29c, | |
388 | NvRegTxRetryErr = 0x2a0, | |
389 | NvRegRxFrameErr = 0x2a4, | |
390 | NvRegRxExtraByte = 0x2a8, | |
391 | NvRegRxLateCol = 0x2ac, | |
392 | NvRegRxRunt = 0x2b0, | |
393 | NvRegRxFrameTooLong = 0x2b4, | |
394 | NvRegRxOverflow = 0x2b8, | |
395 | NvRegRxFCSErr = 0x2bc, | |
396 | NvRegRxFrameAlignErr = 0x2c0, | |
397 | NvRegRxLenErr = 0x2c4, | |
398 | NvRegRxUnicast = 0x2c8, | |
399 | NvRegRxMulticast = 0x2cc, | |
400 | NvRegRxBroadcast = 0x2d0, | |
401 | NvRegTxDef = 0x2d4, | |
402 | NvRegTxFrame = 0x2d8, | |
403 | NvRegRxCnt = 0x2dc, | |
404 | NvRegTxPause = 0x2e0, | |
405 | NvRegRxPause = 0x2e4, | |
406 | NvRegRxDropFrame = 0x2e8, | |
ee407b02 AA |
407 | NvRegVlanControl = 0x300, |
408 | #define NVREG_VLANCONTROL_ENABLE 0x2000 | |
d33a73c8 AA |
409 | NvRegMSIXMap0 = 0x3e0, |
410 | NvRegMSIXMap1 = 0x3e4, | |
411 | NvRegMSIXIrqStatus = 0x3f0, | |
86a0f043 AA |
412 | |
413 | NvRegPowerState2 = 0x600, | |
414 | #define NVREG_POWERSTATE2_POWERUP_MASK 0x0F11 | |
415 | #define NVREG_POWERSTATE2_POWERUP_REV_A3 0x0001 | |
1da177e4 LT |
416 | }; |
417 | ||
418 | /* Big endian: should work, but is untested */ | |
419 | struct ring_desc { | |
a8bed49e SH |
420 | __le32 buf; |
421 | __le32 flaglen; | |
1da177e4 LT |
422 | }; |
423 | ||
ee73362c | 424 | struct ring_desc_ex { |
a8bed49e SH |
425 | __le32 bufhigh; |
426 | __le32 buflow; | |
427 | __le32 txvlan; | |
428 | __le32 flaglen; | |
ee73362c MS |
429 | }; |
430 | ||
f82a9352 | 431 | union ring_type { |
ee73362c MS |
432 | struct ring_desc* orig; |
433 | struct ring_desc_ex* ex; | |
f82a9352 | 434 | }; |
ee73362c | 435 | |
1da177e4 LT |
436 | #define FLAG_MASK_V1 0xffff0000 |
437 | #define FLAG_MASK_V2 0xffffc000 | |
438 | #define LEN_MASK_V1 (0xffffffff ^ FLAG_MASK_V1) | |
439 | #define LEN_MASK_V2 (0xffffffff ^ FLAG_MASK_V2) | |
440 | ||
441 | #define NV_TX_LASTPACKET (1<<16) | |
442 | #define NV_TX_RETRYERROR (1<<19) | |
c2dba06d | 443 | #define NV_TX_FORCED_INTERRUPT (1<<24) |
1da177e4 LT |
444 | #define NV_TX_DEFERRED (1<<26) |
445 | #define NV_TX_CARRIERLOST (1<<27) | |
446 | #define NV_TX_LATECOLLISION (1<<28) | |
447 | #define NV_TX_UNDERFLOW (1<<29) | |
448 | #define NV_TX_ERROR (1<<30) | |
449 | #define NV_TX_VALID (1<<31) | |
450 | ||
451 | #define NV_TX2_LASTPACKET (1<<29) | |
452 | #define NV_TX2_RETRYERROR (1<<18) | |
c2dba06d | 453 | #define NV_TX2_FORCED_INTERRUPT (1<<30) |
1da177e4 LT |
454 | #define NV_TX2_DEFERRED (1<<25) |
455 | #define NV_TX2_CARRIERLOST (1<<26) | |
456 | #define NV_TX2_LATECOLLISION (1<<27) | |
457 | #define NV_TX2_UNDERFLOW (1<<28) | |
458 | /* error and valid are the same for both */ | |
459 | #define NV_TX2_ERROR (1<<30) | |
460 | #define NV_TX2_VALID (1<<31) | |
ac9c1897 AA |
461 | #define NV_TX2_TSO (1<<28) |
462 | #define NV_TX2_TSO_SHIFT 14 | |
fa45459e AA |
463 | #define NV_TX2_TSO_MAX_SHIFT 14 |
464 | #define NV_TX2_TSO_MAX_SIZE (1<<NV_TX2_TSO_MAX_SHIFT) | |
8a4ae7f2 MS |
465 | #define NV_TX2_CHECKSUM_L3 (1<<27) |
466 | #define NV_TX2_CHECKSUM_L4 (1<<26) | |
1da177e4 | 467 | |
ee407b02 AA |
468 | #define NV_TX3_VLAN_TAG_PRESENT (1<<18) |
469 | ||
1da177e4 LT |
470 | #define NV_RX_DESCRIPTORVALID (1<<16) |
471 | #define NV_RX_MISSEDFRAME (1<<17) | |
472 | #define NV_RX_SUBSTRACT1 (1<<18) | |
473 | #define NV_RX_ERROR1 (1<<23) | |
474 | #define NV_RX_ERROR2 (1<<24) | |
475 | #define NV_RX_ERROR3 (1<<25) | |
476 | #define NV_RX_ERROR4 (1<<26) | |
477 | #define NV_RX_CRCERR (1<<27) | |
478 | #define NV_RX_OVERFLOW (1<<28) | |
479 | #define NV_RX_FRAMINGERR (1<<29) | |
480 | #define NV_RX_ERROR (1<<30) | |
481 | #define NV_RX_AVAIL (1<<31) | |
482 | ||
483 | #define NV_RX2_CHECKSUMMASK (0x1C000000) | |
bfaffe8f AA |
484 | #define NV_RX2_CHECKSUM_IP (0x10000000) |
485 | #define NV_RX2_CHECKSUM_IP_TCP (0x14000000) | |
486 | #define NV_RX2_CHECKSUM_IP_UDP (0x18000000) | |
1da177e4 LT |
487 | #define NV_RX2_DESCRIPTORVALID (1<<29) |
488 | #define NV_RX2_SUBSTRACT1 (1<<25) | |
489 | #define NV_RX2_ERROR1 (1<<18) | |
490 | #define NV_RX2_ERROR2 (1<<19) | |
491 | #define NV_RX2_ERROR3 (1<<20) | |
492 | #define NV_RX2_ERROR4 (1<<21) | |
493 | #define NV_RX2_CRCERR (1<<22) | |
494 | #define NV_RX2_OVERFLOW (1<<23) | |
495 | #define NV_RX2_FRAMINGERR (1<<24) | |
496 | /* error and avail are the same for both */ | |
497 | #define NV_RX2_ERROR (1<<30) | |
498 | #define NV_RX2_AVAIL (1<<31) | |
499 | ||
ee407b02 AA |
500 | #define NV_RX3_VLAN_TAG_PRESENT (1<<16) |
501 | #define NV_RX3_VLAN_TAG_MASK (0x0000FFFF) | |
502 | ||
1da177e4 | 503 | /* Miscelaneous hardware related defines: */ |
86a0f043 | 504 | #define NV_PCI_REGSZ_VER1 0x270 |
57fff698 AA |
505 | #define NV_PCI_REGSZ_VER2 0x2d4 |
506 | #define NV_PCI_REGSZ_VER3 0x604 | |
1da177e4 LT |
507 | |
508 | /* various timeout delays: all in usec */ | |
509 | #define NV_TXRX_RESET_DELAY 4 | |
510 | #define NV_TXSTOP_DELAY1 10 | |
511 | #define NV_TXSTOP_DELAY1MAX 500000 | |
512 | #define NV_TXSTOP_DELAY2 100 | |
513 | #define NV_RXSTOP_DELAY1 10 | |
514 | #define NV_RXSTOP_DELAY1MAX 500000 | |
515 | #define NV_RXSTOP_DELAY2 100 | |
516 | #define NV_SETUP5_DELAY 5 | |
517 | #define NV_SETUP5_DELAYMAX 50000 | |
518 | #define NV_POWERUP_DELAY 5 | |
519 | #define NV_POWERUP_DELAYMAX 5000 | |
520 | #define NV_MIIBUSY_DELAY 50 | |
521 | #define NV_MIIPHY_DELAY 10 | |
522 | #define NV_MIIPHY_DELAYMAX 10000 | |
86a0f043 | 523 | #define NV_MAC_RESET_DELAY 64 |
1da177e4 LT |
524 | |
525 | #define NV_WAKEUPPATTERNS 5 | |
526 | #define NV_WAKEUPMASKENTRIES 4 | |
527 | ||
528 | /* General driver defaults */ | |
529 | #define NV_WATCHDOG_TIMEO (5*HZ) | |
530 | ||
eafa59f6 AA |
531 | #define RX_RING_DEFAULT 128 |
532 | #define TX_RING_DEFAULT 256 | |
533 | #define RX_RING_MIN 128 | |
534 | #define TX_RING_MIN 64 | |
535 | #define RING_MAX_DESC_VER_1 1024 | |
536 | #define RING_MAX_DESC_VER_2_3 16384 | |
1da177e4 LT |
537 | |
538 | /* rx/tx mac addr + type + vlan + align + slack*/ | |
d81c0983 MS |
539 | #define NV_RX_HEADERS (64) |
540 | /* even more slack. */ | |
541 | #define NV_RX_ALLOC_PAD (64) | |
542 | ||
543 | /* maximum mtu size */ | |
544 | #define NV_PKTLIMIT_1 ETH_DATA_LEN /* hard limit not known */ | |
545 | #define NV_PKTLIMIT_2 9100 /* Actual limit according to NVidia: 9202 */ | |
1da177e4 LT |
546 | |
547 | #define OOM_REFILL (1+HZ/20) | |
548 | #define POLL_WAIT (1+HZ/100) | |
549 | #define LINK_TIMEOUT (3*HZ) | |
52da3578 | 550 | #define STATS_INTERVAL (10*HZ) |
1da177e4 | 551 | |
f3b197ac | 552 | /* |
1da177e4 | 553 | * desc_ver values: |
8a4ae7f2 MS |
554 | * The nic supports three different descriptor types: |
555 | * - DESC_VER_1: Original | |
556 | * - DESC_VER_2: support for jumbo frames. | |
557 | * - DESC_VER_3: 64-bit format. | |
1da177e4 | 558 | */ |
8a4ae7f2 MS |
559 | #define DESC_VER_1 1 |
560 | #define DESC_VER_2 2 | |
561 | #define DESC_VER_3 3 | |
1da177e4 LT |
562 | |
563 | /* PHY defines */ | |
564 | #define PHY_OUI_MARVELL 0x5043 | |
565 | #define PHY_OUI_CICADA 0x03f1 | |
d215d8a2 | 566 | #define PHY_OUI_VITESSE 0x01c1 |
ba685fb2 | 567 | #define PHY_OUI_REALTEK 0x0732 |
1da177e4 LT |
568 | #define PHYID1_OUI_MASK 0x03ff |
569 | #define PHYID1_OUI_SHFT 6 | |
570 | #define PHYID2_OUI_MASK 0xfc00 | |
571 | #define PHYID2_OUI_SHFT 10 | |
edf7e5ec AA |
572 | #define PHYID2_MODEL_MASK 0x03f0 |
573 | #define PHY_MODEL_MARVELL_E3016 0x220 | |
574 | #define PHY_MARVELL_E3016_INITMASK 0x0300 | |
14a67f3c AA |
575 | #define PHY_CICADA_INIT1 0x0f000 |
576 | #define PHY_CICADA_INIT2 0x0e00 | |
577 | #define PHY_CICADA_INIT3 0x01000 | |
578 | #define PHY_CICADA_INIT4 0x0200 | |
579 | #define PHY_CICADA_INIT5 0x0004 | |
580 | #define PHY_CICADA_INIT6 0x02000 | |
d215d8a2 AA |
581 | #define PHY_VITESSE_INIT_REG1 0x1f |
582 | #define PHY_VITESSE_INIT_REG2 0x10 | |
583 | #define PHY_VITESSE_INIT_REG3 0x11 | |
584 | #define PHY_VITESSE_INIT_REG4 0x12 | |
585 | #define PHY_VITESSE_INIT_MSK1 0xc | |
586 | #define PHY_VITESSE_INIT_MSK2 0x0180 | |
587 | #define PHY_VITESSE_INIT1 0x52b5 | |
588 | #define PHY_VITESSE_INIT2 0xaf8a | |
589 | #define PHY_VITESSE_INIT3 0x8 | |
590 | #define PHY_VITESSE_INIT4 0x8f8a | |
591 | #define PHY_VITESSE_INIT5 0xaf86 | |
592 | #define PHY_VITESSE_INIT6 0x8f86 | |
593 | #define PHY_VITESSE_INIT7 0xaf82 | |
594 | #define PHY_VITESSE_INIT8 0x0100 | |
595 | #define PHY_VITESSE_INIT9 0x8f82 | |
596 | #define PHY_VITESSE_INIT10 0x0 | |
c5e3ae88 AA |
597 | #define PHY_REALTEK_INIT_REG1 0x1f |
598 | #define PHY_REALTEK_INIT_REG2 0x19 | |
599 | #define PHY_REALTEK_INIT_REG3 0x13 | |
600 | #define PHY_REALTEK_INIT1 0x0000 | |
601 | #define PHY_REALTEK_INIT2 0x8e00 | |
602 | #define PHY_REALTEK_INIT3 0x0001 | |
603 | #define PHY_REALTEK_INIT4 0xad17 | |
d215d8a2 | 604 | |
1da177e4 LT |
605 | #define PHY_GIGABIT 0x0100 |
606 | ||
607 | #define PHY_TIMEOUT 0x1 | |
608 | #define PHY_ERROR 0x2 | |
609 | ||
610 | #define PHY_100 0x1 | |
611 | #define PHY_1000 0x2 | |
612 | #define PHY_HALF 0x100 | |
613 | ||
eb91f61b AA |
614 | #define NV_PAUSEFRAME_RX_CAPABLE 0x0001 |
615 | #define NV_PAUSEFRAME_TX_CAPABLE 0x0002 | |
616 | #define NV_PAUSEFRAME_RX_ENABLE 0x0004 | |
617 | #define NV_PAUSEFRAME_TX_ENABLE 0x0008 | |
b6d0773f AA |
618 | #define NV_PAUSEFRAME_RX_REQ 0x0010 |
619 | #define NV_PAUSEFRAME_TX_REQ 0x0020 | |
620 | #define NV_PAUSEFRAME_AUTONEG 0x0040 | |
1da177e4 | 621 | |
d33a73c8 AA |
622 | /* MSI/MSI-X defines */ |
623 | #define NV_MSI_X_MAX_VECTORS 8 | |
624 | #define NV_MSI_X_VECTORS_MASK 0x000f | |
625 | #define NV_MSI_CAPABLE 0x0010 | |
626 | #define NV_MSI_X_CAPABLE 0x0020 | |
627 | #define NV_MSI_ENABLED 0x0040 | |
628 | #define NV_MSI_X_ENABLED 0x0080 | |
629 | ||
630 | #define NV_MSI_X_VECTOR_ALL 0x0 | |
631 | #define NV_MSI_X_VECTOR_RX 0x0 | |
632 | #define NV_MSI_X_VECTOR_TX 0x1 | |
633 | #define NV_MSI_X_VECTOR_OTHER 0x2 | |
1da177e4 | 634 | |
b2976d23 AA |
635 | #define NV_RESTART_TX 0x1 |
636 | #define NV_RESTART_RX 0x2 | |
637 | ||
52da3578 AA |
638 | /* statistics */ |
639 | struct nv_ethtool_str { | |
640 | char name[ETH_GSTRING_LEN]; | |
641 | }; | |
642 | ||
643 | static const struct nv_ethtool_str nv_estats_str[] = { | |
644 | { "tx_bytes" }, | |
645 | { "tx_zero_rexmt" }, | |
646 | { "tx_one_rexmt" }, | |
647 | { "tx_many_rexmt" }, | |
648 | { "tx_late_collision" }, | |
649 | { "tx_fifo_errors" }, | |
650 | { "tx_carrier_errors" }, | |
651 | { "tx_excess_deferral" }, | |
652 | { "tx_retry_error" }, | |
52da3578 AA |
653 | { "rx_frame_error" }, |
654 | { "rx_extra_byte" }, | |
655 | { "rx_late_collision" }, | |
656 | { "rx_runt" }, | |
657 | { "rx_frame_too_long" }, | |
658 | { "rx_over_errors" }, | |
659 | { "rx_crc_errors" }, | |
660 | { "rx_frame_align_error" }, | |
661 | { "rx_length_error" }, | |
662 | { "rx_unicast" }, | |
663 | { "rx_multicast" }, | |
664 | { "rx_broadcast" }, | |
57fff698 AA |
665 | { "rx_packets" }, |
666 | { "rx_errors_total" }, | |
667 | { "tx_errors_total" }, | |
668 | ||
669 | /* version 2 stats */ | |
670 | { "tx_deferral" }, | |
671 | { "tx_packets" }, | |
52da3578 | 672 | { "rx_bytes" }, |
57fff698 | 673 | { "tx_pause" }, |
52da3578 | 674 | { "rx_pause" }, |
57fff698 | 675 | { "rx_drop_frame" } |
52da3578 AA |
676 | }; |
677 | ||
678 | struct nv_ethtool_stats { | |
679 | u64 tx_bytes; | |
680 | u64 tx_zero_rexmt; | |
681 | u64 tx_one_rexmt; | |
682 | u64 tx_many_rexmt; | |
683 | u64 tx_late_collision; | |
684 | u64 tx_fifo_errors; | |
685 | u64 tx_carrier_errors; | |
686 | u64 tx_excess_deferral; | |
687 | u64 tx_retry_error; | |
52da3578 AA |
688 | u64 rx_frame_error; |
689 | u64 rx_extra_byte; | |
690 | u64 rx_late_collision; | |
691 | u64 rx_runt; | |
692 | u64 rx_frame_too_long; | |
693 | u64 rx_over_errors; | |
694 | u64 rx_crc_errors; | |
695 | u64 rx_frame_align_error; | |
696 | u64 rx_length_error; | |
697 | u64 rx_unicast; | |
698 | u64 rx_multicast; | |
699 | u64 rx_broadcast; | |
57fff698 AA |
700 | u64 rx_packets; |
701 | u64 rx_errors_total; | |
702 | u64 tx_errors_total; | |
703 | ||
704 | /* version 2 stats */ | |
705 | u64 tx_deferral; | |
706 | u64 tx_packets; | |
52da3578 | 707 | u64 rx_bytes; |
57fff698 | 708 | u64 tx_pause; |
52da3578 AA |
709 | u64 rx_pause; |
710 | u64 rx_drop_frame; | |
52da3578 AA |
711 | }; |
712 | ||
57fff698 AA |
713 | #define NV_DEV_STATISTICS_V2_COUNT (sizeof(struct nv_ethtool_stats)/sizeof(u64)) |
714 | #define NV_DEV_STATISTICS_V1_COUNT (NV_DEV_STATISTICS_V2_COUNT - 6) | |
715 | ||
9589c77a AA |
716 | /* diagnostics */ |
717 | #define NV_TEST_COUNT_BASE 3 | |
718 | #define NV_TEST_COUNT_EXTENDED 4 | |
719 | ||
720 | static const struct nv_ethtool_str nv_etests_str[] = { | |
721 | { "link (online/offline)" }, | |
722 | { "register (offline) " }, | |
723 | { "interrupt (offline) " }, | |
724 | { "loopback (offline) " } | |
725 | }; | |
726 | ||
727 | struct register_test { | |
5bb7ea26 AV |
728 | __u32 reg; |
729 | __u32 mask; | |
9589c77a AA |
730 | }; |
731 | ||
732 | static const struct register_test nv_registers_test[] = { | |
733 | { NvRegUnknownSetupReg6, 0x01 }, | |
734 | { NvRegMisc1, 0x03c }, | |
735 | { NvRegOffloadConfig, 0x03ff }, | |
736 | { NvRegMulticastAddrA, 0xffffffff }, | |
95d161cb | 737 | { NvRegTxWatermark, 0x0ff }, |
9589c77a AA |
738 | { NvRegWakeUpFlags, 0x07777 }, |
739 | { 0,0 } | |
740 | }; | |
741 | ||
761fcd9e AA |
742 | struct nv_skb_map { |
743 | struct sk_buff *skb; | |
744 | dma_addr_t dma; | |
745 | unsigned int dma_len; | |
746 | }; | |
747 | ||
1da177e4 LT |
748 | /* |
749 | * SMP locking: | |
750 | * All hardware access under dev->priv->lock, except the performance | |
751 | * critical parts: | |
752 | * - rx is (pseudo-) lockless: it relies on the single-threading provided | |
753 | * by the arch code for interrupts. | |
932ff279 | 754 | * - tx setup is lockless: it relies on netif_tx_lock. Actual submission |
1da177e4 | 755 | * needs dev->priv->lock :-( |
932ff279 | 756 | * - set_multicast_list: preparation lockless, relies on netif_tx_lock. |
1da177e4 LT |
757 | */ |
758 | ||
759 | /* in dev: base, irq */ | |
760 | struct fe_priv { | |
761 | spinlock_t lock; | |
762 | ||
bea3348e SH |
763 | struct net_device *dev; |
764 | struct napi_struct napi; | |
765 | ||
1da177e4 LT |
766 | /* General data: |
767 | * Locking: spin_lock(&np->lock); */ | |
52da3578 | 768 | struct nv_ethtool_stats estats; |
1da177e4 LT |
769 | int in_shutdown; |
770 | u32 linkspeed; | |
771 | int duplex; | |
772 | int autoneg; | |
773 | int fixed_mode; | |
774 | int phyaddr; | |
775 | int wolenabled; | |
776 | unsigned int phy_oui; | |
edf7e5ec | 777 | unsigned int phy_model; |
1da177e4 | 778 | u16 gigabit; |
9589c77a | 779 | int intr_test; |
c5cf9101 | 780 | int recover_error; |
1da177e4 LT |
781 | |
782 | /* General data: RO fields */ | |
783 | dma_addr_t ring_addr; | |
784 | struct pci_dev *pci_dev; | |
785 | u32 orig_mac[2]; | |
786 | u32 irqmask; | |
787 | u32 desc_ver; | |
8a4ae7f2 | 788 | u32 txrxctl_bits; |
ee407b02 | 789 | u32 vlanctl_bits; |
86a0f043 AA |
790 | u32 driver_data; |
791 | u32 register_size; | |
f2ad2d9b | 792 | int rx_csum; |
7e680c22 | 793 | u32 mac_in_use; |
1da177e4 LT |
794 | |
795 | void __iomem *base; | |
796 | ||
797 | /* rx specific fields. | |
798 | * Locking: Within irq hander or disable_irq+spin_lock(&np->lock); | |
799 | */ | |
761fcd9e AA |
800 | union ring_type get_rx, put_rx, first_rx, last_rx; |
801 | struct nv_skb_map *get_rx_ctx, *put_rx_ctx; | |
802 | struct nv_skb_map *first_rx_ctx, *last_rx_ctx; | |
803 | struct nv_skb_map *rx_skb; | |
804 | ||
f82a9352 | 805 | union ring_type rx_ring; |
1da177e4 | 806 | unsigned int rx_buf_sz; |
d81c0983 | 807 | unsigned int pkt_limit; |
1da177e4 LT |
808 | struct timer_list oom_kick; |
809 | struct timer_list nic_poll; | |
52da3578 | 810 | struct timer_list stats_poll; |
d33a73c8 | 811 | u32 nic_poll_irq; |
eafa59f6 | 812 | int rx_ring_size; |
1da177e4 LT |
813 | |
814 | /* media detection workaround. | |
815 | * Locking: Within irq hander or disable_irq+spin_lock(&np->lock); | |
816 | */ | |
817 | int need_linktimer; | |
818 | unsigned long link_timeout; | |
819 | /* | |
820 | * tx specific fields. | |
821 | */ | |
761fcd9e AA |
822 | union ring_type get_tx, put_tx, first_tx, last_tx; |
823 | struct nv_skb_map *get_tx_ctx, *put_tx_ctx; | |
824 | struct nv_skb_map *first_tx_ctx, *last_tx_ctx; | |
825 | struct nv_skb_map *tx_skb; | |
826 | ||
f82a9352 | 827 | union ring_type tx_ring; |
1da177e4 | 828 | u32 tx_flags; |
eafa59f6 | 829 | int tx_ring_size; |
aaa37d2d | 830 | int tx_stop; |
ee407b02 AA |
831 | |
832 | /* vlan fields */ | |
833 | struct vlan_group *vlangrp; | |
d33a73c8 AA |
834 | |
835 | /* msi/msi-x fields */ | |
836 | u32 msi_flags; | |
837 | struct msix_entry msi_x_entry[NV_MSI_X_MAX_VECTORS]; | |
eb91f61b AA |
838 | |
839 | /* flow control */ | |
840 | u32 pause_flags; | |
1da177e4 LT |
841 | }; |
842 | ||
843 | /* | |
844 | * Maximum number of loops until we assume that a bit in the irq mask | |
845 | * is stuck. Overridable with module param. | |
846 | */ | |
847 | static int max_interrupt_work = 5; | |
848 | ||
a971c324 AA |
849 | /* |
850 | * Optimization can be either throuput mode or cpu mode | |
f3b197ac | 851 | * |
a971c324 AA |
852 | * Throughput Mode: Every tx and rx packet will generate an interrupt. |
853 | * CPU Mode: Interrupts are controlled by a timer. | |
854 | */ | |
69fe3fd7 AA |
855 | enum { |
856 | NV_OPTIMIZATION_MODE_THROUGHPUT, | |
857 | NV_OPTIMIZATION_MODE_CPU | |
858 | }; | |
a971c324 AA |
859 | static int optimization_mode = NV_OPTIMIZATION_MODE_THROUGHPUT; |
860 | ||
861 | /* | |
862 | * Poll interval for timer irq | |
863 | * | |
864 | * This interval determines how frequent an interrupt is generated. | |
865 | * The is value is determined by [(time_in_micro_secs * 100) / (2^10)] | |
866 | * Min = 0, and Max = 65535 | |
867 | */ | |
868 | static int poll_interval = -1; | |
869 | ||
d33a73c8 | 870 | /* |
69fe3fd7 | 871 | * MSI interrupts |
d33a73c8 | 872 | */ |
69fe3fd7 AA |
873 | enum { |
874 | NV_MSI_INT_DISABLED, | |
875 | NV_MSI_INT_ENABLED | |
876 | }; | |
877 | static int msi = NV_MSI_INT_ENABLED; | |
d33a73c8 AA |
878 | |
879 | /* | |
69fe3fd7 | 880 | * MSIX interrupts |
d33a73c8 | 881 | */ |
69fe3fd7 AA |
882 | enum { |
883 | NV_MSIX_INT_DISABLED, | |
884 | NV_MSIX_INT_ENABLED | |
885 | }; | |
caf96469 | 886 | static int msix = NV_MSIX_INT_DISABLED; |
69fe3fd7 AA |
887 | |
888 | /* | |
889 | * DMA 64bit | |
890 | */ | |
891 | enum { | |
892 | NV_DMA_64BIT_DISABLED, | |
893 | NV_DMA_64BIT_ENABLED | |
894 | }; | |
895 | static int dma_64bit = NV_DMA_64BIT_ENABLED; | |
d33a73c8 | 896 | |
1da177e4 LT |
897 | static inline struct fe_priv *get_nvpriv(struct net_device *dev) |
898 | { | |
899 | return netdev_priv(dev); | |
900 | } | |
901 | ||
902 | static inline u8 __iomem *get_hwbase(struct net_device *dev) | |
903 | { | |
ac9c1897 | 904 | return ((struct fe_priv *)netdev_priv(dev))->base; |
1da177e4 LT |
905 | } |
906 | ||
907 | static inline void pci_push(u8 __iomem *base) | |
908 | { | |
909 | /* force out pending posted writes */ | |
910 | readl(base); | |
911 | } | |
912 | ||
913 | static inline u32 nv_descr_getlength(struct ring_desc *prd, u32 v) | |
914 | { | |
f82a9352 | 915 | return le32_to_cpu(prd->flaglen) |
1da177e4 LT |
916 | & ((v == DESC_VER_1) ? LEN_MASK_V1 : LEN_MASK_V2); |
917 | } | |
918 | ||
ee73362c MS |
919 | static inline u32 nv_descr_getlength_ex(struct ring_desc_ex *prd, u32 v) |
920 | { | |
f82a9352 | 921 | return le32_to_cpu(prd->flaglen) & LEN_MASK_V2; |
ee73362c MS |
922 | } |
923 | ||
1da177e4 LT |
924 | static int reg_delay(struct net_device *dev, int offset, u32 mask, u32 target, |
925 | int delay, int delaymax, const char *msg) | |
926 | { | |
927 | u8 __iomem *base = get_hwbase(dev); | |
928 | ||
929 | pci_push(base); | |
930 | do { | |
931 | udelay(delay); | |
932 | delaymax -= delay; | |
933 | if (delaymax < 0) { | |
934 | if (msg) | |
935 | printk(msg); | |
936 | return 1; | |
937 | } | |
938 | } while ((readl(base + offset) & mask) != target); | |
939 | return 0; | |
940 | } | |
941 | ||
0832b25a AA |
942 | #define NV_SETUP_RX_RING 0x01 |
943 | #define NV_SETUP_TX_RING 0x02 | |
944 | ||
5bb7ea26 AV |
945 | static inline u32 dma_low(dma_addr_t addr) |
946 | { | |
947 | return addr; | |
948 | } | |
949 | ||
950 | static inline u32 dma_high(dma_addr_t addr) | |
951 | { | |
952 | return addr>>31>>1; /* 0 if 32bit, shift down by 32 if 64bit */ | |
953 | } | |
954 | ||
0832b25a AA |
955 | static void setup_hw_rings(struct net_device *dev, int rxtx_flags) |
956 | { | |
957 | struct fe_priv *np = get_nvpriv(dev); | |
958 | u8 __iomem *base = get_hwbase(dev); | |
959 | ||
960 | if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) { | |
961 | if (rxtx_flags & NV_SETUP_RX_RING) { | |
5bb7ea26 | 962 | writel(dma_low(np->ring_addr), base + NvRegRxRingPhysAddr); |
0832b25a AA |
963 | } |
964 | if (rxtx_flags & NV_SETUP_TX_RING) { | |
5bb7ea26 | 965 | writel(dma_low(np->ring_addr + np->rx_ring_size*sizeof(struct ring_desc)), base + NvRegTxRingPhysAddr); |
0832b25a AA |
966 | } |
967 | } else { | |
968 | if (rxtx_flags & NV_SETUP_RX_RING) { | |
5bb7ea26 AV |
969 | writel(dma_low(np->ring_addr), base + NvRegRxRingPhysAddr); |
970 | writel(dma_high(np->ring_addr), base + NvRegRxRingPhysAddrHigh); | |
0832b25a AA |
971 | } |
972 | if (rxtx_flags & NV_SETUP_TX_RING) { | |
5bb7ea26 AV |
973 | writel(dma_low(np->ring_addr + np->rx_ring_size*sizeof(struct ring_desc_ex)), base + NvRegTxRingPhysAddr); |
974 | writel(dma_high(np->ring_addr + np->rx_ring_size*sizeof(struct ring_desc_ex)), base + NvRegTxRingPhysAddrHigh); | |
0832b25a AA |
975 | } |
976 | } | |
977 | } | |
978 | ||
eafa59f6 AA |
979 | static void free_rings(struct net_device *dev) |
980 | { | |
981 | struct fe_priv *np = get_nvpriv(dev); | |
982 | ||
983 | if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) { | |
f82a9352 | 984 | if (np->rx_ring.orig) |
eafa59f6 AA |
985 | pci_free_consistent(np->pci_dev, sizeof(struct ring_desc) * (np->rx_ring_size + np->tx_ring_size), |
986 | np->rx_ring.orig, np->ring_addr); | |
987 | } else { | |
988 | if (np->rx_ring.ex) | |
989 | pci_free_consistent(np->pci_dev, sizeof(struct ring_desc_ex) * (np->rx_ring_size + np->tx_ring_size), | |
990 | np->rx_ring.ex, np->ring_addr); | |
991 | } | |
761fcd9e AA |
992 | if (np->rx_skb) |
993 | kfree(np->rx_skb); | |
994 | if (np->tx_skb) | |
995 | kfree(np->tx_skb); | |
eafa59f6 AA |
996 | } |
997 | ||
84b3932b AA |
998 | static int using_multi_irqs(struct net_device *dev) |
999 | { | |
1000 | struct fe_priv *np = get_nvpriv(dev); | |
1001 | ||
1002 | if (!(np->msi_flags & NV_MSI_X_ENABLED) || | |
1003 | ((np->msi_flags & NV_MSI_X_ENABLED) && | |
1004 | ((np->msi_flags & NV_MSI_X_VECTORS_MASK) == 0x1))) | |
1005 | return 0; | |
1006 | else | |
1007 | return 1; | |
1008 | } | |
1009 | ||
1010 | static void nv_enable_irq(struct net_device *dev) | |
1011 | { | |
1012 | struct fe_priv *np = get_nvpriv(dev); | |
1013 | ||
1014 | if (!using_multi_irqs(dev)) { | |
1015 | if (np->msi_flags & NV_MSI_X_ENABLED) | |
1016 | enable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_ALL].vector); | |
1017 | else | |
a7475906 | 1018 | enable_irq(np->pci_dev->irq); |
84b3932b AA |
1019 | } else { |
1020 | enable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector); | |
1021 | enable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_TX].vector); | |
1022 | enable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_OTHER].vector); | |
1023 | } | |
1024 | } | |
1025 | ||
1026 | static void nv_disable_irq(struct net_device *dev) | |
1027 | { | |
1028 | struct fe_priv *np = get_nvpriv(dev); | |
1029 | ||
1030 | if (!using_multi_irqs(dev)) { | |
1031 | if (np->msi_flags & NV_MSI_X_ENABLED) | |
1032 | disable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_ALL].vector); | |
1033 | else | |
a7475906 | 1034 | disable_irq(np->pci_dev->irq); |
84b3932b AA |
1035 | } else { |
1036 | disable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector); | |
1037 | disable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_TX].vector); | |
1038 | disable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_OTHER].vector); | |
1039 | } | |
1040 | } | |
1041 | ||
1042 | /* In MSIX mode, a write to irqmask behaves as XOR */ | |
1043 | static void nv_enable_hw_interrupts(struct net_device *dev, u32 mask) | |
1044 | { | |
1045 | u8 __iomem *base = get_hwbase(dev); | |
1046 | ||
1047 | writel(mask, base + NvRegIrqMask); | |
1048 | } | |
1049 | ||
1050 | static void nv_disable_hw_interrupts(struct net_device *dev, u32 mask) | |
1051 | { | |
1052 | struct fe_priv *np = get_nvpriv(dev); | |
1053 | u8 __iomem *base = get_hwbase(dev); | |
1054 | ||
1055 | if (np->msi_flags & NV_MSI_X_ENABLED) { | |
1056 | writel(mask, base + NvRegIrqMask); | |
1057 | } else { | |
1058 | if (np->msi_flags & NV_MSI_ENABLED) | |
1059 | writel(0, base + NvRegMSIIrqMask); | |
1060 | writel(0, base + NvRegIrqMask); | |
1061 | } | |
1062 | } | |
1063 | ||
1da177e4 LT |
1064 | #define MII_READ (-1) |
1065 | /* mii_rw: read/write a register on the PHY. | |
1066 | * | |
1067 | * Caller must guarantee serialization | |
1068 | */ | |
1069 | static int mii_rw(struct net_device *dev, int addr, int miireg, int value) | |
1070 | { | |
1071 | u8 __iomem *base = get_hwbase(dev); | |
1072 | u32 reg; | |
1073 | int retval; | |
1074 | ||
eb798428 | 1075 | writel(NVREG_MIISTAT_MASK_RW, base + NvRegMIIStatus); |
1da177e4 LT |
1076 | |
1077 | reg = readl(base + NvRegMIIControl); | |
1078 | if (reg & NVREG_MIICTL_INUSE) { | |
1079 | writel(NVREG_MIICTL_INUSE, base + NvRegMIIControl); | |
1080 | udelay(NV_MIIBUSY_DELAY); | |
1081 | } | |
1082 | ||
1083 | reg = (addr << NVREG_MIICTL_ADDRSHIFT) | miireg; | |
1084 | if (value != MII_READ) { | |
1085 | writel(value, base + NvRegMIIData); | |
1086 | reg |= NVREG_MIICTL_WRITE; | |
1087 | } | |
1088 | writel(reg, base + NvRegMIIControl); | |
1089 | ||
1090 | if (reg_delay(dev, NvRegMIIControl, NVREG_MIICTL_INUSE, 0, | |
1091 | NV_MIIPHY_DELAY, NV_MIIPHY_DELAYMAX, NULL)) { | |
1092 | dprintk(KERN_DEBUG "%s: mii_rw of reg %d at PHY %d timed out.\n", | |
1093 | dev->name, miireg, addr); | |
1094 | retval = -1; | |
1095 | } else if (value != MII_READ) { | |
1096 | /* it was a write operation - fewer failures are detectable */ | |
1097 | dprintk(KERN_DEBUG "%s: mii_rw wrote 0x%x to reg %d at PHY %d\n", | |
1098 | dev->name, value, miireg, addr); | |
1099 | retval = 0; | |
1100 | } else if (readl(base + NvRegMIIStatus) & NVREG_MIISTAT_ERROR) { | |
1101 | dprintk(KERN_DEBUG "%s: mii_rw of reg %d at PHY %d failed.\n", | |
1102 | dev->name, miireg, addr); | |
1103 | retval = -1; | |
1104 | } else { | |
1105 | retval = readl(base + NvRegMIIData); | |
1106 | dprintk(KERN_DEBUG "%s: mii_rw read from reg %d at PHY %d: 0x%x.\n", | |
1107 | dev->name, miireg, addr, retval); | |
1108 | } | |
1109 | ||
1110 | return retval; | |
1111 | } | |
1112 | ||
edf7e5ec | 1113 | static int phy_reset(struct net_device *dev, u32 bmcr_setup) |
1da177e4 | 1114 | { |
ac9c1897 | 1115 | struct fe_priv *np = netdev_priv(dev); |
1da177e4 LT |
1116 | u32 miicontrol; |
1117 | unsigned int tries = 0; | |
1118 | ||
edf7e5ec | 1119 | miicontrol = BMCR_RESET | bmcr_setup; |
1da177e4 LT |
1120 | if (mii_rw(dev, np->phyaddr, MII_BMCR, miicontrol)) { |
1121 | return -1; | |
1122 | } | |
1123 | ||
1124 | /* wait for 500ms */ | |
1125 | msleep(500); | |
1126 | ||
1127 | /* must wait till reset is deasserted */ | |
1128 | while (miicontrol & BMCR_RESET) { | |
1129 | msleep(10); | |
1130 | miicontrol = mii_rw(dev, np->phyaddr, MII_BMCR, MII_READ); | |
1131 | /* FIXME: 100 tries seem excessive */ | |
1132 | if (tries++ > 100) | |
1133 | return -1; | |
1134 | } | |
1135 | return 0; | |
1136 | } | |
1137 | ||
1138 | static int phy_init(struct net_device *dev) | |
1139 | { | |
1140 | struct fe_priv *np = get_nvpriv(dev); | |
1141 | u8 __iomem *base = get_hwbase(dev); | |
1142 | u32 phyinterface, phy_reserved, mii_status, mii_control, mii_control_1000,reg; | |
1143 | ||
edf7e5ec AA |
1144 | /* phy errata for E3016 phy */ |
1145 | if (np->phy_model == PHY_MODEL_MARVELL_E3016) { | |
1146 | reg = mii_rw(dev, np->phyaddr, MII_NCONFIG, MII_READ); | |
1147 | reg &= ~PHY_MARVELL_E3016_INITMASK; | |
1148 | if (mii_rw(dev, np->phyaddr, MII_NCONFIG, reg)) { | |
1149 | printk(KERN_INFO "%s: phy write to errata reg failed.\n", pci_name(np->pci_dev)); | |
1150 | return PHY_ERROR; | |
1151 | } | |
1152 | } | |
c5e3ae88 AA |
1153 | if (np->phy_oui == PHY_OUI_REALTEK) { |
1154 | if (mii_rw(dev, np->phyaddr, PHY_REALTEK_INIT_REG1, PHY_REALTEK_INIT1)) { | |
1155 | printk(KERN_INFO "%s: phy init failed.\n", pci_name(np->pci_dev)); | |
1156 | return PHY_ERROR; | |
1157 | } | |
1158 | if (mii_rw(dev, np->phyaddr, PHY_REALTEK_INIT_REG2, PHY_REALTEK_INIT2)) { | |
1159 | printk(KERN_INFO "%s: phy init failed.\n", pci_name(np->pci_dev)); | |
1160 | return PHY_ERROR; | |
1161 | } | |
1162 | if (mii_rw(dev, np->phyaddr, PHY_REALTEK_INIT_REG1, PHY_REALTEK_INIT3)) { | |
1163 | printk(KERN_INFO "%s: phy init failed.\n", pci_name(np->pci_dev)); | |
1164 | return PHY_ERROR; | |
1165 | } | |
1166 | if (mii_rw(dev, np->phyaddr, PHY_REALTEK_INIT_REG3, PHY_REALTEK_INIT4)) { | |
1167 | printk(KERN_INFO "%s: phy init failed.\n", pci_name(np->pci_dev)); | |
1168 | return PHY_ERROR; | |
1169 | } | |
1170 | if (mii_rw(dev, np->phyaddr, PHY_REALTEK_INIT_REG1, PHY_REALTEK_INIT1)) { | |
1171 | printk(KERN_INFO "%s: phy init failed.\n", pci_name(np->pci_dev)); | |
1172 | return PHY_ERROR; | |
1173 | } | |
1174 | } | |
edf7e5ec | 1175 | |
1da177e4 LT |
1176 | /* set advertise register */ |
1177 | reg = mii_rw(dev, np->phyaddr, MII_ADVERTISE, MII_READ); | |
eb91f61b | 1178 | reg |= (ADVERTISE_10HALF|ADVERTISE_10FULL|ADVERTISE_100HALF|ADVERTISE_100FULL|ADVERTISE_PAUSE_ASYM|ADVERTISE_PAUSE_CAP); |
1da177e4 LT |
1179 | if (mii_rw(dev, np->phyaddr, MII_ADVERTISE, reg)) { |
1180 | printk(KERN_INFO "%s: phy write to advertise failed.\n", pci_name(np->pci_dev)); | |
1181 | return PHY_ERROR; | |
1182 | } | |
1183 | ||
1184 | /* get phy interface type */ | |
1185 | phyinterface = readl(base + NvRegPhyInterface); | |
1186 | ||
1187 | /* see if gigabit phy */ | |
1188 | mii_status = mii_rw(dev, np->phyaddr, MII_BMSR, MII_READ); | |
1189 | if (mii_status & PHY_GIGABIT) { | |
1190 | np->gigabit = PHY_GIGABIT; | |
eb91f61b | 1191 | mii_control_1000 = mii_rw(dev, np->phyaddr, MII_CTRL1000, MII_READ); |
1da177e4 LT |
1192 | mii_control_1000 &= ~ADVERTISE_1000HALF; |
1193 | if (phyinterface & PHY_RGMII) | |
1194 | mii_control_1000 |= ADVERTISE_1000FULL; | |
1195 | else | |
1196 | mii_control_1000 &= ~ADVERTISE_1000FULL; | |
1197 | ||
eb91f61b | 1198 | if (mii_rw(dev, np->phyaddr, MII_CTRL1000, mii_control_1000)) { |
1da177e4 LT |
1199 | printk(KERN_INFO "%s: phy init failed.\n", pci_name(np->pci_dev)); |
1200 | return PHY_ERROR; | |
1201 | } | |
1202 | } | |
1203 | else | |
1204 | np->gigabit = 0; | |
1205 | ||
edf7e5ec AA |
1206 | mii_control = mii_rw(dev, np->phyaddr, MII_BMCR, MII_READ); |
1207 | mii_control |= BMCR_ANENABLE; | |
1208 | ||
1209 | /* reset the phy | |
1210 | * (certain phys need bmcr to be setup with reset) | |
1211 | */ | |
1212 | if (phy_reset(dev, mii_control)) { | |
1da177e4 LT |
1213 | printk(KERN_INFO "%s: phy reset failed\n", pci_name(np->pci_dev)); |
1214 | return PHY_ERROR; | |
1215 | } | |
1216 | ||
1217 | /* phy vendor specific configuration */ | |
1218 | if ((np->phy_oui == PHY_OUI_CICADA) && (phyinterface & PHY_RGMII) ) { | |
1219 | phy_reserved = mii_rw(dev, np->phyaddr, MII_RESV1, MII_READ); | |
14a67f3c AA |
1220 | phy_reserved &= ~(PHY_CICADA_INIT1 | PHY_CICADA_INIT2); |
1221 | phy_reserved |= (PHY_CICADA_INIT3 | PHY_CICADA_INIT4); | |
1da177e4 LT |
1222 | if (mii_rw(dev, np->phyaddr, MII_RESV1, phy_reserved)) { |
1223 | printk(KERN_INFO "%s: phy init failed.\n", pci_name(np->pci_dev)); | |
1224 | return PHY_ERROR; | |
1225 | } | |
1226 | phy_reserved = mii_rw(dev, np->phyaddr, MII_NCONFIG, MII_READ); | |
14a67f3c | 1227 | phy_reserved |= PHY_CICADA_INIT5; |
1da177e4 LT |
1228 | if (mii_rw(dev, np->phyaddr, MII_NCONFIG, phy_reserved)) { |
1229 | printk(KERN_INFO "%s: phy init failed.\n", pci_name(np->pci_dev)); | |
1230 | return PHY_ERROR; | |
1231 | } | |
1232 | } | |
1233 | if (np->phy_oui == PHY_OUI_CICADA) { | |
1234 | phy_reserved = mii_rw(dev, np->phyaddr, MII_SREVISION, MII_READ); | |
14a67f3c | 1235 | phy_reserved |= PHY_CICADA_INIT6; |
1da177e4 LT |
1236 | if (mii_rw(dev, np->phyaddr, MII_SREVISION, phy_reserved)) { |
1237 | printk(KERN_INFO "%s: phy init failed.\n", pci_name(np->pci_dev)); | |
1238 | return PHY_ERROR; | |
1239 | } | |
1240 | } | |
d215d8a2 AA |
1241 | if (np->phy_oui == PHY_OUI_VITESSE) { |
1242 | if (mii_rw(dev, np->phyaddr, PHY_VITESSE_INIT_REG1, PHY_VITESSE_INIT1)) { | |
1243 | printk(KERN_INFO "%s: phy init failed.\n", pci_name(np->pci_dev)); | |
1244 | return PHY_ERROR; | |
1245 | } | |
1246 | if (mii_rw(dev, np->phyaddr, PHY_VITESSE_INIT_REG2, PHY_VITESSE_INIT2)) { | |
1247 | printk(KERN_INFO "%s: phy init failed.\n", pci_name(np->pci_dev)); | |
1248 | return PHY_ERROR; | |
1249 | } | |
1250 | phy_reserved = mii_rw(dev, np->phyaddr, PHY_VITESSE_INIT_REG4, MII_READ); | |
1251 | if (mii_rw(dev, np->phyaddr, PHY_VITESSE_INIT_REG4, phy_reserved)) { | |
1252 | printk(KERN_INFO "%s: phy init failed.\n", pci_name(np->pci_dev)); | |
1253 | return PHY_ERROR; | |
1254 | } | |
1255 | phy_reserved = mii_rw(dev, np->phyaddr, PHY_VITESSE_INIT_REG3, MII_READ); | |
1256 | phy_reserved &= ~PHY_VITESSE_INIT_MSK1; | |
1257 | phy_reserved |= PHY_VITESSE_INIT3; | |
1258 | if (mii_rw(dev, np->phyaddr, PHY_VITESSE_INIT_REG3, phy_reserved)) { | |
1259 | printk(KERN_INFO "%s: phy init failed.\n", pci_name(np->pci_dev)); | |
1260 | return PHY_ERROR; | |
1261 | } | |
1262 | if (mii_rw(dev, np->phyaddr, PHY_VITESSE_INIT_REG2, PHY_VITESSE_INIT4)) { | |
1263 | printk(KERN_INFO "%s: phy init failed.\n", pci_name(np->pci_dev)); | |
1264 | return PHY_ERROR; | |
1265 | } | |
1266 | if (mii_rw(dev, np->phyaddr, PHY_VITESSE_INIT_REG2, PHY_VITESSE_INIT5)) { | |
1267 | printk(KERN_INFO "%s: phy init failed.\n", pci_name(np->pci_dev)); | |
1268 | return PHY_ERROR; | |
1269 | } | |
1270 | phy_reserved = mii_rw(dev, np->phyaddr, PHY_VITESSE_INIT_REG4, MII_READ); | |
1271 | phy_reserved &= ~PHY_VITESSE_INIT_MSK1; | |
1272 | phy_reserved |= PHY_VITESSE_INIT3; | |
1273 | if (mii_rw(dev, np->phyaddr, PHY_VITESSE_INIT_REG4, phy_reserved)) { | |
1274 | printk(KERN_INFO "%s: phy init failed.\n", pci_name(np->pci_dev)); | |
1275 | return PHY_ERROR; | |
1276 | } | |
1277 | phy_reserved = mii_rw(dev, np->phyaddr, PHY_VITESSE_INIT_REG3, MII_READ); | |
1278 | if (mii_rw(dev, np->phyaddr, PHY_VITESSE_INIT_REG3, phy_reserved)) { | |
1279 | printk(KERN_INFO "%s: phy init failed.\n", pci_name(np->pci_dev)); | |
1280 | return PHY_ERROR; | |
1281 | } | |
1282 | if (mii_rw(dev, np->phyaddr, PHY_VITESSE_INIT_REG2, PHY_VITESSE_INIT6)) { | |
1283 | printk(KERN_INFO "%s: phy init failed.\n", pci_name(np->pci_dev)); | |
1284 | return PHY_ERROR; | |
1285 | } | |
1286 | if (mii_rw(dev, np->phyaddr, PHY_VITESSE_INIT_REG2, PHY_VITESSE_INIT7)) { | |
1287 | printk(KERN_INFO "%s: phy init failed.\n", pci_name(np->pci_dev)); | |
1288 | return PHY_ERROR; | |
1289 | } | |
1290 | phy_reserved = mii_rw(dev, np->phyaddr, PHY_VITESSE_INIT_REG4, MII_READ); | |
1291 | if (mii_rw(dev, np->phyaddr, PHY_VITESSE_INIT_REG4, phy_reserved)) { | |
1292 | printk(KERN_INFO "%s: phy init failed.\n", pci_name(np->pci_dev)); | |
1293 | return PHY_ERROR; | |
1294 | } | |
1295 | phy_reserved = mii_rw(dev, np->phyaddr, PHY_VITESSE_INIT_REG3, MII_READ); | |
1296 | phy_reserved &= ~PHY_VITESSE_INIT_MSK2; | |
1297 | phy_reserved |= PHY_VITESSE_INIT8; | |
1298 | if (mii_rw(dev, np->phyaddr, PHY_VITESSE_INIT_REG3, phy_reserved)) { | |
1299 | printk(KERN_INFO "%s: phy init failed.\n", pci_name(np->pci_dev)); | |
1300 | return PHY_ERROR; | |
1301 | } | |
1302 | if (mii_rw(dev, np->phyaddr, PHY_VITESSE_INIT_REG2, PHY_VITESSE_INIT9)) { | |
1303 | printk(KERN_INFO "%s: phy init failed.\n", pci_name(np->pci_dev)); | |
1304 | return PHY_ERROR; | |
1305 | } | |
1306 | if (mii_rw(dev, np->phyaddr, PHY_VITESSE_INIT_REG1, PHY_VITESSE_INIT10)) { | |
1307 | printk(KERN_INFO "%s: phy init failed.\n", pci_name(np->pci_dev)); | |
1308 | return PHY_ERROR; | |
1309 | } | |
1310 | } | |
c5e3ae88 AA |
1311 | if (np->phy_oui == PHY_OUI_REALTEK) { |
1312 | /* reset could have cleared these out, set them back */ | |
1313 | if (mii_rw(dev, np->phyaddr, PHY_REALTEK_INIT_REG1, PHY_REALTEK_INIT1)) { | |
1314 | printk(KERN_INFO "%s: phy init failed.\n", pci_name(np->pci_dev)); | |
1315 | return PHY_ERROR; | |
1316 | } | |
1317 | if (mii_rw(dev, np->phyaddr, PHY_REALTEK_INIT_REG2, PHY_REALTEK_INIT2)) { | |
1318 | printk(KERN_INFO "%s: phy init failed.\n", pci_name(np->pci_dev)); | |
1319 | return PHY_ERROR; | |
1320 | } | |
1321 | if (mii_rw(dev, np->phyaddr, PHY_REALTEK_INIT_REG1, PHY_REALTEK_INIT3)) { | |
1322 | printk(KERN_INFO "%s: phy init failed.\n", pci_name(np->pci_dev)); | |
1323 | return PHY_ERROR; | |
1324 | } | |
1325 | if (mii_rw(dev, np->phyaddr, PHY_REALTEK_INIT_REG3, PHY_REALTEK_INIT4)) { | |
1326 | printk(KERN_INFO "%s: phy init failed.\n", pci_name(np->pci_dev)); | |
1327 | return PHY_ERROR; | |
1328 | } | |
1329 | if (mii_rw(dev, np->phyaddr, PHY_REALTEK_INIT_REG1, PHY_REALTEK_INIT1)) { | |
1330 | printk(KERN_INFO "%s: phy init failed.\n", pci_name(np->pci_dev)); | |
1331 | return PHY_ERROR; | |
1332 | } | |
1333 | } | |
1334 | ||
eb91f61b AA |
1335 | /* some phys clear out pause advertisment on reset, set it back */ |
1336 | mii_rw(dev, np->phyaddr, MII_ADVERTISE, reg); | |
1da177e4 LT |
1337 | |
1338 | /* restart auto negotiation */ | |
1339 | mii_control = mii_rw(dev, np->phyaddr, MII_BMCR, MII_READ); | |
1340 | mii_control |= (BMCR_ANRESTART | BMCR_ANENABLE); | |
1341 | if (mii_rw(dev, np->phyaddr, MII_BMCR, mii_control)) { | |
1342 | return PHY_ERROR; | |
1343 | } | |
1344 | ||
1345 | return 0; | |
1346 | } | |
1347 | ||
1348 | static void nv_start_rx(struct net_device *dev) | |
1349 | { | |
ac9c1897 | 1350 | struct fe_priv *np = netdev_priv(dev); |
1da177e4 | 1351 | u8 __iomem *base = get_hwbase(dev); |
f35723ec | 1352 | u32 rx_ctrl = readl(base + NvRegReceiverControl); |
1da177e4 LT |
1353 | |
1354 | dprintk(KERN_DEBUG "%s: nv_start_rx\n", dev->name); | |
1355 | /* Already running? Stop it. */ | |
f35723ec AA |
1356 | if ((readl(base + NvRegReceiverControl) & NVREG_RCVCTL_START) && !np->mac_in_use) { |
1357 | rx_ctrl &= ~NVREG_RCVCTL_START; | |
1358 | writel(rx_ctrl, base + NvRegReceiverControl); | |
1da177e4 LT |
1359 | pci_push(base); |
1360 | } | |
1361 | writel(np->linkspeed, base + NvRegLinkSpeed); | |
1362 | pci_push(base); | |
f35723ec AA |
1363 | rx_ctrl |= NVREG_RCVCTL_START; |
1364 | if (np->mac_in_use) | |
1365 | rx_ctrl &= ~NVREG_RCVCTL_RX_PATH_EN; | |
1366 | writel(rx_ctrl, base + NvRegReceiverControl); | |
1da177e4 LT |
1367 | dprintk(KERN_DEBUG "%s: nv_start_rx to duplex %d, speed 0x%08x.\n", |
1368 | dev->name, np->duplex, np->linkspeed); | |
1369 | pci_push(base); | |
1370 | } | |
1371 | ||
1372 | static void nv_stop_rx(struct net_device *dev) | |
1373 | { | |
f35723ec | 1374 | struct fe_priv *np = netdev_priv(dev); |
1da177e4 | 1375 | u8 __iomem *base = get_hwbase(dev); |
f35723ec | 1376 | u32 rx_ctrl = readl(base + NvRegReceiverControl); |
1da177e4 LT |
1377 | |
1378 | dprintk(KERN_DEBUG "%s: nv_stop_rx\n", dev->name); | |
f35723ec AA |
1379 | if (!np->mac_in_use) |
1380 | rx_ctrl &= ~NVREG_RCVCTL_START; | |
1381 | else | |
1382 | rx_ctrl |= NVREG_RCVCTL_RX_PATH_EN; | |
1383 | writel(rx_ctrl, base + NvRegReceiverControl); | |
1da177e4 LT |
1384 | reg_delay(dev, NvRegReceiverStatus, NVREG_RCVSTAT_BUSY, 0, |
1385 | NV_RXSTOP_DELAY1, NV_RXSTOP_DELAY1MAX, | |
1386 | KERN_INFO "nv_stop_rx: ReceiverStatus remained busy"); | |
1387 | ||
1388 | udelay(NV_RXSTOP_DELAY2); | |
f35723ec AA |
1389 | if (!np->mac_in_use) |
1390 | writel(0, base + NvRegLinkSpeed); | |
1da177e4 LT |
1391 | } |
1392 | ||
1393 | static void nv_start_tx(struct net_device *dev) | |
1394 | { | |
f35723ec | 1395 | struct fe_priv *np = netdev_priv(dev); |
1da177e4 | 1396 | u8 __iomem *base = get_hwbase(dev); |
f35723ec | 1397 | u32 tx_ctrl = readl(base + NvRegTransmitterControl); |
1da177e4 LT |
1398 | |
1399 | dprintk(KERN_DEBUG "%s: nv_start_tx\n", dev->name); | |
f35723ec AA |
1400 | tx_ctrl |= NVREG_XMITCTL_START; |
1401 | if (np->mac_in_use) | |
1402 | tx_ctrl &= ~NVREG_XMITCTL_TX_PATH_EN; | |
1403 | writel(tx_ctrl, base + NvRegTransmitterControl); | |
1da177e4 LT |
1404 | pci_push(base); |
1405 | } | |
1406 | ||
1407 | static void nv_stop_tx(struct net_device *dev) | |
1408 | { | |
f35723ec | 1409 | struct fe_priv *np = netdev_priv(dev); |
1da177e4 | 1410 | u8 __iomem *base = get_hwbase(dev); |
f35723ec | 1411 | u32 tx_ctrl = readl(base + NvRegTransmitterControl); |
1da177e4 LT |
1412 | |
1413 | dprintk(KERN_DEBUG "%s: nv_stop_tx\n", dev->name); | |
f35723ec AA |
1414 | if (!np->mac_in_use) |
1415 | tx_ctrl &= ~NVREG_XMITCTL_START; | |
1416 | else | |
1417 | tx_ctrl |= NVREG_XMITCTL_TX_PATH_EN; | |
1418 | writel(tx_ctrl, base + NvRegTransmitterControl); | |
1da177e4 LT |
1419 | reg_delay(dev, NvRegTransmitterStatus, NVREG_XMITSTAT_BUSY, 0, |
1420 | NV_TXSTOP_DELAY1, NV_TXSTOP_DELAY1MAX, | |
1421 | KERN_INFO "nv_stop_tx: TransmitterStatus remained busy"); | |
1422 | ||
1423 | udelay(NV_TXSTOP_DELAY2); | |
f35723ec AA |
1424 | if (!np->mac_in_use) |
1425 | writel(readl(base + NvRegTransmitPoll) & NVREG_TRANSMITPOLL_MAC_ADDR_REV, | |
1426 | base + NvRegTransmitPoll); | |
1da177e4 LT |
1427 | } |
1428 | ||
1429 | static void nv_txrx_reset(struct net_device *dev) | |
1430 | { | |
ac9c1897 | 1431 | struct fe_priv *np = netdev_priv(dev); |
1da177e4 LT |
1432 | u8 __iomem *base = get_hwbase(dev); |
1433 | ||
1434 | dprintk(KERN_DEBUG "%s: nv_txrx_reset\n", dev->name); | |
8a4ae7f2 | 1435 | writel(NVREG_TXRXCTL_BIT2 | NVREG_TXRXCTL_RESET | np->txrxctl_bits, base + NvRegTxRxControl); |
1da177e4 LT |
1436 | pci_push(base); |
1437 | udelay(NV_TXRX_RESET_DELAY); | |
8a4ae7f2 | 1438 | writel(NVREG_TXRXCTL_BIT2 | np->txrxctl_bits, base + NvRegTxRxControl); |
1da177e4 LT |
1439 | pci_push(base); |
1440 | } | |
1441 | ||
86a0f043 AA |
1442 | static void nv_mac_reset(struct net_device *dev) |
1443 | { | |
1444 | struct fe_priv *np = netdev_priv(dev); | |
1445 | u8 __iomem *base = get_hwbase(dev); | |
4e84f9b1 | 1446 | u32 temp1, temp2, temp3; |
86a0f043 AA |
1447 | |
1448 | dprintk(KERN_DEBUG "%s: nv_mac_reset\n", dev->name); | |
4e84f9b1 | 1449 | |
86a0f043 AA |
1450 | writel(NVREG_TXRXCTL_BIT2 | NVREG_TXRXCTL_RESET | np->txrxctl_bits, base + NvRegTxRxControl); |
1451 | pci_push(base); | |
4e84f9b1 AA |
1452 | |
1453 | /* save registers since they will be cleared on reset */ | |
1454 | temp1 = readl(base + NvRegMacAddrA); | |
1455 | temp2 = readl(base + NvRegMacAddrB); | |
1456 | temp3 = readl(base + NvRegTransmitPoll); | |
1457 | ||
86a0f043 AA |
1458 | writel(NVREG_MAC_RESET_ASSERT, base + NvRegMacReset); |
1459 | pci_push(base); | |
1460 | udelay(NV_MAC_RESET_DELAY); | |
1461 | writel(0, base + NvRegMacReset); | |
1462 | pci_push(base); | |
1463 | udelay(NV_MAC_RESET_DELAY); | |
4e84f9b1 AA |
1464 | |
1465 | /* restore saved registers */ | |
1466 | writel(temp1, base + NvRegMacAddrA); | |
1467 | writel(temp2, base + NvRegMacAddrB); | |
1468 | writel(temp3, base + NvRegTransmitPoll); | |
1469 | ||
86a0f043 AA |
1470 | writel(NVREG_TXRXCTL_BIT2 | np->txrxctl_bits, base + NvRegTxRxControl); |
1471 | pci_push(base); | |
1472 | } | |
1473 | ||
57fff698 AA |
1474 | static void nv_get_hw_stats(struct net_device *dev) |
1475 | { | |
1476 | struct fe_priv *np = netdev_priv(dev); | |
1477 | u8 __iomem *base = get_hwbase(dev); | |
1478 | ||
1479 | np->estats.tx_bytes += readl(base + NvRegTxCnt); | |
1480 | np->estats.tx_zero_rexmt += readl(base + NvRegTxZeroReXmt); | |
1481 | np->estats.tx_one_rexmt += readl(base + NvRegTxOneReXmt); | |
1482 | np->estats.tx_many_rexmt += readl(base + NvRegTxManyReXmt); | |
1483 | np->estats.tx_late_collision += readl(base + NvRegTxLateCol); | |
1484 | np->estats.tx_fifo_errors += readl(base + NvRegTxUnderflow); | |
1485 | np->estats.tx_carrier_errors += readl(base + NvRegTxLossCarrier); | |
1486 | np->estats.tx_excess_deferral += readl(base + NvRegTxExcessDef); | |
1487 | np->estats.tx_retry_error += readl(base + NvRegTxRetryErr); | |
1488 | np->estats.rx_frame_error += readl(base + NvRegRxFrameErr); | |
1489 | np->estats.rx_extra_byte += readl(base + NvRegRxExtraByte); | |
1490 | np->estats.rx_late_collision += readl(base + NvRegRxLateCol); | |
1491 | np->estats.rx_runt += readl(base + NvRegRxRunt); | |
1492 | np->estats.rx_frame_too_long += readl(base + NvRegRxFrameTooLong); | |
1493 | np->estats.rx_over_errors += readl(base + NvRegRxOverflow); | |
1494 | np->estats.rx_crc_errors += readl(base + NvRegRxFCSErr); | |
1495 | np->estats.rx_frame_align_error += readl(base + NvRegRxFrameAlignErr); | |
1496 | np->estats.rx_length_error += readl(base + NvRegRxLenErr); | |
1497 | np->estats.rx_unicast += readl(base + NvRegRxUnicast); | |
1498 | np->estats.rx_multicast += readl(base + NvRegRxMulticast); | |
1499 | np->estats.rx_broadcast += readl(base + NvRegRxBroadcast); | |
1500 | np->estats.rx_packets = | |
1501 | np->estats.rx_unicast + | |
1502 | np->estats.rx_multicast + | |
1503 | np->estats.rx_broadcast; | |
1504 | np->estats.rx_errors_total = | |
1505 | np->estats.rx_crc_errors + | |
1506 | np->estats.rx_over_errors + | |
1507 | np->estats.rx_frame_error + | |
1508 | (np->estats.rx_frame_align_error - np->estats.rx_extra_byte) + | |
1509 | np->estats.rx_late_collision + | |
1510 | np->estats.rx_runt + | |
1511 | np->estats.rx_frame_too_long; | |
1512 | np->estats.tx_errors_total = | |
1513 | np->estats.tx_late_collision + | |
1514 | np->estats.tx_fifo_errors + | |
1515 | np->estats.tx_carrier_errors + | |
1516 | np->estats.tx_excess_deferral + | |
1517 | np->estats.tx_retry_error; | |
1518 | ||
1519 | if (np->driver_data & DEV_HAS_STATISTICS_V2) { | |
1520 | np->estats.tx_deferral += readl(base + NvRegTxDef); | |
1521 | np->estats.tx_packets += readl(base + NvRegTxFrame); | |
1522 | np->estats.rx_bytes += readl(base + NvRegRxCnt); | |
1523 | np->estats.tx_pause += readl(base + NvRegTxPause); | |
1524 | np->estats.rx_pause += readl(base + NvRegRxPause); | |
1525 | np->estats.rx_drop_frame += readl(base + NvRegRxDropFrame); | |
1526 | } | |
1527 | } | |
1528 | ||
1da177e4 LT |
1529 | /* |
1530 | * nv_get_stats: dev->get_stats function | |
1531 | * Get latest stats value from the nic. | |
1532 | * Called with read_lock(&dev_base_lock) held for read - | |
1533 | * only synchronized against unregister_netdevice. | |
1534 | */ | |
1535 | static struct net_device_stats *nv_get_stats(struct net_device *dev) | |
1536 | { | |
ac9c1897 | 1537 | struct fe_priv *np = netdev_priv(dev); |
1da177e4 | 1538 | |
21828163 AA |
1539 | /* If the nic supports hw counters then retrieve latest values */ |
1540 | if (np->driver_data & (DEV_HAS_STATISTICS_V1|DEV_HAS_STATISTICS_V2)) { | |
1541 | nv_get_hw_stats(dev); | |
1542 | ||
1543 | /* copy to net_device stats */ | |
8148ff45 JG |
1544 | dev->stats.tx_bytes = np->estats.tx_bytes; |
1545 | dev->stats.tx_fifo_errors = np->estats.tx_fifo_errors; | |
1546 | dev->stats.tx_carrier_errors = np->estats.tx_carrier_errors; | |
1547 | dev->stats.rx_crc_errors = np->estats.rx_crc_errors; | |
1548 | dev->stats.rx_over_errors = np->estats.rx_over_errors; | |
1549 | dev->stats.rx_errors = np->estats.rx_errors_total; | |
1550 | dev->stats.tx_errors = np->estats.tx_errors_total; | |
21828163 | 1551 | } |
8148ff45 JG |
1552 | |
1553 | return &dev->stats; | |
1da177e4 LT |
1554 | } |
1555 | ||
1556 | /* | |
1557 | * nv_alloc_rx: fill rx ring entries. | |
1558 | * Return 1 if the allocations for the skbs failed and the | |
1559 | * rx engine is without Available descriptors | |
1560 | */ | |
1561 | static int nv_alloc_rx(struct net_device *dev) | |
1562 | { | |
ac9c1897 | 1563 | struct fe_priv *np = netdev_priv(dev); |
86b22b0d | 1564 | struct ring_desc* less_rx; |
1da177e4 | 1565 | |
86b22b0d AA |
1566 | less_rx = np->get_rx.orig; |
1567 | if (less_rx-- == np->first_rx.orig) | |
1568 | less_rx = np->last_rx.orig; | |
761fcd9e | 1569 | |
86b22b0d AA |
1570 | while (np->put_rx.orig != less_rx) { |
1571 | struct sk_buff *skb = dev_alloc_skb(np->rx_buf_sz + NV_RX_ALLOC_PAD); | |
1572 | if (skb) { | |
86b22b0d | 1573 | np->put_rx_ctx->skb = skb; |
4305b541 ACM |
1574 | np->put_rx_ctx->dma = pci_map_single(np->pci_dev, |
1575 | skb->data, | |
8b5be268 | 1576 | skb_tailroom(skb), |
4305b541 | 1577 | PCI_DMA_FROMDEVICE); |
8b5be268 | 1578 | np->put_rx_ctx->dma_len = skb_tailroom(skb); |
86b22b0d AA |
1579 | np->put_rx.orig->buf = cpu_to_le32(np->put_rx_ctx->dma); |
1580 | wmb(); | |
1581 | np->put_rx.orig->flaglen = cpu_to_le32(np->rx_buf_sz | NV_RX_AVAIL); | |
b01867cb | 1582 | if (unlikely(np->put_rx.orig++ == np->last_rx.orig)) |
86b22b0d | 1583 | np->put_rx.orig = np->first_rx.orig; |
b01867cb | 1584 | if (unlikely(np->put_rx_ctx++ == np->last_rx_ctx)) |
86b22b0d | 1585 | np->put_rx_ctx = np->first_rx_ctx; |
761fcd9e | 1586 | } else { |
86b22b0d | 1587 | return 1; |
761fcd9e | 1588 | } |
86b22b0d AA |
1589 | } |
1590 | return 0; | |
1591 | } | |
1592 | ||
1593 | static int nv_alloc_rx_optimized(struct net_device *dev) | |
1594 | { | |
1595 | struct fe_priv *np = netdev_priv(dev); | |
1596 | struct ring_desc_ex* less_rx; | |
1597 | ||
1598 | less_rx = np->get_rx.ex; | |
1599 | if (less_rx-- == np->first_rx.ex) | |
1600 | less_rx = np->last_rx.ex; | |
761fcd9e | 1601 | |
86b22b0d AA |
1602 | while (np->put_rx.ex != less_rx) { |
1603 | struct sk_buff *skb = dev_alloc_skb(np->rx_buf_sz + NV_RX_ALLOC_PAD); | |
0d63fb32 | 1604 | if (skb) { |
761fcd9e | 1605 | np->put_rx_ctx->skb = skb; |
4305b541 ACM |
1606 | np->put_rx_ctx->dma = pci_map_single(np->pci_dev, |
1607 | skb->data, | |
8b5be268 | 1608 | skb_tailroom(skb), |
4305b541 | 1609 | PCI_DMA_FROMDEVICE); |
8b5be268 | 1610 | np->put_rx_ctx->dma_len = skb_tailroom(skb); |
5bb7ea26 AV |
1611 | np->put_rx.ex->bufhigh = cpu_to_le32(dma_high(np->put_rx_ctx->dma)); |
1612 | np->put_rx.ex->buflow = cpu_to_le32(dma_low(np->put_rx_ctx->dma)); | |
86b22b0d AA |
1613 | wmb(); |
1614 | np->put_rx.ex->flaglen = cpu_to_le32(np->rx_buf_sz | NV_RX2_AVAIL); | |
b01867cb | 1615 | if (unlikely(np->put_rx.ex++ == np->last_rx.ex)) |
86b22b0d | 1616 | np->put_rx.ex = np->first_rx.ex; |
b01867cb | 1617 | if (unlikely(np->put_rx_ctx++ == np->last_rx_ctx)) |
0d63fb32 | 1618 | np->put_rx_ctx = np->first_rx_ctx; |
1da177e4 | 1619 | } else { |
0d63fb32 | 1620 | return 1; |
ee73362c | 1621 | } |
1da177e4 | 1622 | } |
1da177e4 LT |
1623 | return 0; |
1624 | } | |
1625 | ||
e27cdba5 SH |
1626 | /* If rx bufs are exhausted called after 50ms to attempt to refresh */ |
1627 | #ifdef CONFIG_FORCEDETH_NAPI | |
1628 | static void nv_do_rx_refill(unsigned long data) | |
1629 | { | |
1630 | struct net_device *dev = (struct net_device *) data; | |
bea3348e | 1631 | struct fe_priv *np = netdev_priv(dev); |
e27cdba5 SH |
1632 | |
1633 | /* Just reschedule NAPI rx processing */ | |
bea3348e | 1634 | netif_rx_schedule(dev, &np->napi); |
e27cdba5 SH |
1635 | } |
1636 | #else | |
1da177e4 LT |
1637 | static void nv_do_rx_refill(unsigned long data) |
1638 | { | |
1639 | struct net_device *dev = (struct net_device *) data; | |
ac9c1897 | 1640 | struct fe_priv *np = netdev_priv(dev); |
86b22b0d | 1641 | int retcode; |
1da177e4 | 1642 | |
84b3932b AA |
1643 | if (!using_multi_irqs(dev)) { |
1644 | if (np->msi_flags & NV_MSI_X_ENABLED) | |
1645 | disable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_ALL].vector); | |
1646 | else | |
a7475906 | 1647 | disable_irq(np->pci_dev->irq); |
d33a73c8 AA |
1648 | } else { |
1649 | disable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector); | |
1650 | } | |
86b22b0d AA |
1651 | if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) |
1652 | retcode = nv_alloc_rx(dev); | |
1653 | else | |
1654 | retcode = nv_alloc_rx_optimized(dev); | |
1655 | if (retcode) { | |
84b3932b | 1656 | spin_lock_irq(&np->lock); |
1da177e4 LT |
1657 | if (!np->in_shutdown) |
1658 | mod_timer(&np->oom_kick, jiffies + OOM_REFILL); | |
84b3932b | 1659 | spin_unlock_irq(&np->lock); |
1da177e4 | 1660 | } |
84b3932b AA |
1661 | if (!using_multi_irqs(dev)) { |
1662 | if (np->msi_flags & NV_MSI_X_ENABLED) | |
1663 | enable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_ALL].vector); | |
1664 | else | |
a7475906 | 1665 | enable_irq(np->pci_dev->irq); |
d33a73c8 AA |
1666 | } else { |
1667 | enable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector); | |
1668 | } | |
1da177e4 | 1669 | } |
e27cdba5 | 1670 | #endif |
1da177e4 | 1671 | |
f3b197ac | 1672 | static void nv_init_rx(struct net_device *dev) |
1da177e4 | 1673 | { |
ac9c1897 | 1674 | struct fe_priv *np = netdev_priv(dev); |
1da177e4 | 1675 | int i; |
761fcd9e AA |
1676 | np->get_rx = np->put_rx = np->first_rx = np->rx_ring; |
1677 | if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) | |
1678 | np->last_rx.orig = &np->rx_ring.orig[np->rx_ring_size-1]; | |
1679 | else | |
1680 | np->last_rx.ex = &np->rx_ring.ex[np->rx_ring_size-1]; | |
1681 | np->get_rx_ctx = np->put_rx_ctx = np->first_rx_ctx = np->rx_skb; | |
1682 | np->last_rx_ctx = &np->rx_skb[np->rx_ring_size-1]; | |
1da177e4 | 1683 | |
761fcd9e AA |
1684 | for (i = 0; i < np->rx_ring_size; i++) { |
1685 | if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) { | |
f82a9352 | 1686 | np->rx_ring.orig[i].flaglen = 0; |
761fcd9e AA |
1687 | np->rx_ring.orig[i].buf = 0; |
1688 | } else { | |
f82a9352 | 1689 | np->rx_ring.ex[i].flaglen = 0; |
761fcd9e AA |
1690 | np->rx_ring.ex[i].txvlan = 0; |
1691 | np->rx_ring.ex[i].bufhigh = 0; | |
1692 | np->rx_ring.ex[i].buflow = 0; | |
1693 | } | |
1694 | np->rx_skb[i].skb = NULL; | |
1695 | np->rx_skb[i].dma = 0; | |
1696 | } | |
d81c0983 MS |
1697 | } |
1698 | ||
1699 | static void nv_init_tx(struct net_device *dev) | |
1700 | { | |
ac9c1897 | 1701 | struct fe_priv *np = netdev_priv(dev); |
d81c0983 | 1702 | int i; |
761fcd9e AA |
1703 | np->get_tx = np->put_tx = np->first_tx = np->tx_ring; |
1704 | if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) | |
1705 | np->last_tx.orig = &np->tx_ring.orig[np->tx_ring_size-1]; | |
1706 | else | |
1707 | np->last_tx.ex = &np->tx_ring.ex[np->tx_ring_size-1]; | |
1708 | np->get_tx_ctx = np->put_tx_ctx = np->first_tx_ctx = np->tx_skb; | |
1709 | np->last_tx_ctx = &np->tx_skb[np->tx_ring_size-1]; | |
d81c0983 | 1710 | |
eafa59f6 | 1711 | for (i = 0; i < np->tx_ring_size; i++) { |
761fcd9e | 1712 | if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) { |
f82a9352 | 1713 | np->tx_ring.orig[i].flaglen = 0; |
761fcd9e AA |
1714 | np->tx_ring.orig[i].buf = 0; |
1715 | } else { | |
f82a9352 | 1716 | np->tx_ring.ex[i].flaglen = 0; |
761fcd9e AA |
1717 | np->tx_ring.ex[i].txvlan = 0; |
1718 | np->tx_ring.ex[i].bufhigh = 0; | |
1719 | np->tx_ring.ex[i].buflow = 0; | |
1720 | } | |
1721 | np->tx_skb[i].skb = NULL; | |
1722 | np->tx_skb[i].dma = 0; | |
ac9c1897 | 1723 | } |
d81c0983 MS |
1724 | } |
1725 | ||
1726 | static int nv_init_ring(struct net_device *dev) | |
1727 | { | |
86b22b0d AA |
1728 | struct fe_priv *np = netdev_priv(dev); |
1729 | ||
d81c0983 MS |
1730 | nv_init_tx(dev); |
1731 | nv_init_rx(dev); | |
86b22b0d AA |
1732 | if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) |
1733 | return nv_alloc_rx(dev); | |
1734 | else | |
1735 | return nv_alloc_rx_optimized(dev); | |
1da177e4 LT |
1736 | } |
1737 | ||
761fcd9e | 1738 | static int nv_release_txskb(struct net_device *dev, struct nv_skb_map* tx_skb) |
ac9c1897 AA |
1739 | { |
1740 | struct fe_priv *np = netdev_priv(dev); | |
fa45459e | 1741 | |
761fcd9e AA |
1742 | if (tx_skb->dma) { |
1743 | pci_unmap_page(np->pci_dev, tx_skb->dma, | |
1744 | tx_skb->dma_len, | |
fa45459e | 1745 | PCI_DMA_TODEVICE); |
761fcd9e | 1746 | tx_skb->dma = 0; |
fa45459e | 1747 | } |
761fcd9e AA |
1748 | if (tx_skb->skb) { |
1749 | dev_kfree_skb_any(tx_skb->skb); | |
1750 | tx_skb->skb = NULL; | |
fa45459e AA |
1751 | return 1; |
1752 | } else { | |
1753 | return 0; | |
ac9c1897 | 1754 | } |
ac9c1897 AA |
1755 | } |
1756 | ||
1da177e4 LT |
1757 | static void nv_drain_tx(struct net_device *dev) |
1758 | { | |
ac9c1897 AA |
1759 | struct fe_priv *np = netdev_priv(dev); |
1760 | unsigned int i; | |
f3b197ac | 1761 | |
eafa59f6 | 1762 | for (i = 0; i < np->tx_ring_size; i++) { |
761fcd9e | 1763 | if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) { |
f82a9352 | 1764 | np->tx_ring.orig[i].flaglen = 0; |
761fcd9e AA |
1765 | np->tx_ring.orig[i].buf = 0; |
1766 | } else { | |
f82a9352 | 1767 | np->tx_ring.ex[i].flaglen = 0; |
761fcd9e AA |
1768 | np->tx_ring.ex[i].txvlan = 0; |
1769 | np->tx_ring.ex[i].bufhigh = 0; | |
1770 | np->tx_ring.ex[i].buflow = 0; | |
1771 | } | |
1772 | if (nv_release_txskb(dev, &np->tx_skb[i])) | |
8148ff45 | 1773 | dev->stats.tx_dropped++; |
1da177e4 LT |
1774 | } |
1775 | } | |
1776 | ||
1777 | static void nv_drain_rx(struct net_device *dev) | |
1778 | { | |
ac9c1897 | 1779 | struct fe_priv *np = netdev_priv(dev); |
1da177e4 | 1780 | int i; |
761fcd9e | 1781 | |
eafa59f6 | 1782 | for (i = 0; i < np->rx_ring_size; i++) { |
761fcd9e | 1783 | if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) { |
f82a9352 | 1784 | np->rx_ring.orig[i].flaglen = 0; |
761fcd9e AA |
1785 | np->rx_ring.orig[i].buf = 0; |
1786 | } else { | |
f82a9352 | 1787 | np->rx_ring.ex[i].flaglen = 0; |
761fcd9e AA |
1788 | np->rx_ring.ex[i].txvlan = 0; |
1789 | np->rx_ring.ex[i].bufhigh = 0; | |
1790 | np->rx_ring.ex[i].buflow = 0; | |
1791 | } | |
1da177e4 | 1792 | wmb(); |
761fcd9e AA |
1793 | if (np->rx_skb[i].skb) { |
1794 | pci_unmap_single(np->pci_dev, np->rx_skb[i].dma, | |
4305b541 ACM |
1795 | (skb_end_pointer(np->rx_skb[i].skb) - |
1796 | np->rx_skb[i].skb->data), | |
1797 | PCI_DMA_FROMDEVICE); | |
761fcd9e AA |
1798 | dev_kfree_skb(np->rx_skb[i].skb); |
1799 | np->rx_skb[i].skb = NULL; | |
1da177e4 LT |
1800 | } |
1801 | } | |
1802 | } | |
1803 | ||
1804 | static void drain_ring(struct net_device *dev) | |
1805 | { | |
1806 | nv_drain_tx(dev); | |
1807 | nv_drain_rx(dev); | |
1808 | } | |
1809 | ||
761fcd9e AA |
1810 | static inline u32 nv_get_empty_tx_slots(struct fe_priv *np) |
1811 | { | |
1812 | return (u32)(np->tx_ring_size - ((np->tx_ring_size + (np->put_tx_ctx - np->get_tx_ctx)) % np->tx_ring_size)); | |
1813 | } | |
1814 | ||
1da177e4 LT |
1815 | /* |
1816 | * nv_start_xmit: dev->hard_start_xmit function | |
932ff279 | 1817 | * Called with netif_tx_lock held. |
1da177e4 LT |
1818 | */ |
1819 | static int nv_start_xmit(struct sk_buff *skb, struct net_device *dev) | |
1820 | { | |
ac9c1897 | 1821 | struct fe_priv *np = netdev_priv(dev); |
fa45459e | 1822 | u32 tx_flags = 0; |
ac9c1897 AA |
1823 | u32 tx_flags_extra = (np->desc_ver == DESC_VER_1 ? NV_TX_LASTPACKET : NV_TX2_LASTPACKET); |
1824 | unsigned int fragments = skb_shinfo(skb)->nr_frags; | |
ac9c1897 | 1825 | unsigned int i; |
fa45459e AA |
1826 | u32 offset = 0; |
1827 | u32 bcnt; | |
1828 | u32 size = skb->len-skb->data_len; | |
1829 | u32 entries = (size >> NV_TX2_TSO_MAX_SHIFT) + ((size & (NV_TX2_TSO_MAX_SIZE-1)) ? 1 : 0); | |
761fcd9e | 1830 | u32 empty_slots; |
86b22b0d AA |
1831 | struct ring_desc* put_tx; |
1832 | struct ring_desc* start_tx; | |
1833 | struct ring_desc* prev_tx; | |
761fcd9e | 1834 | struct nv_skb_map* prev_tx_ctx; |
fa45459e AA |
1835 | |
1836 | /* add fragments to entries count */ | |
1837 | for (i = 0; i < fragments; i++) { | |
1838 | entries += (skb_shinfo(skb)->frags[i].size >> NV_TX2_TSO_MAX_SHIFT) + | |
1839 | ((skb_shinfo(skb)->frags[i].size & (NV_TX2_TSO_MAX_SIZE-1)) ? 1 : 0); | |
1840 | } | |
ac9c1897 | 1841 | |
761fcd9e | 1842 | empty_slots = nv_get_empty_tx_slots(np); |
445583b8 | 1843 | if (unlikely(empty_slots <= entries)) { |
164a86e4 | 1844 | spin_lock_irq(&np->lock); |
ac9c1897 | 1845 | netif_stop_queue(dev); |
aaa37d2d | 1846 | np->tx_stop = 1; |
164a86e4 | 1847 | spin_unlock_irq(&np->lock); |
ac9c1897 AA |
1848 | return NETDEV_TX_BUSY; |
1849 | } | |
1da177e4 | 1850 | |
86b22b0d | 1851 | start_tx = put_tx = np->put_tx.orig; |
761fcd9e | 1852 | |
fa45459e AA |
1853 | /* setup the header buffer */ |
1854 | do { | |
761fcd9e AA |
1855 | prev_tx = put_tx; |
1856 | prev_tx_ctx = np->put_tx_ctx; | |
fa45459e | 1857 | bcnt = (size > NV_TX2_TSO_MAX_SIZE) ? NV_TX2_TSO_MAX_SIZE : size; |
761fcd9e | 1858 | np->put_tx_ctx->dma = pci_map_single(np->pci_dev, skb->data + offset, bcnt, |
fa45459e | 1859 | PCI_DMA_TODEVICE); |
761fcd9e | 1860 | np->put_tx_ctx->dma_len = bcnt; |
86b22b0d AA |
1861 | put_tx->buf = cpu_to_le32(np->put_tx_ctx->dma); |
1862 | put_tx->flaglen = cpu_to_le32((bcnt-1) | tx_flags); | |
445583b8 | 1863 | |
fa45459e AA |
1864 | tx_flags = np->tx_flags; |
1865 | offset += bcnt; | |
1866 | size -= bcnt; | |
445583b8 | 1867 | if (unlikely(put_tx++ == np->last_tx.orig)) |
86b22b0d | 1868 | put_tx = np->first_tx.orig; |
445583b8 | 1869 | if (unlikely(np->put_tx_ctx++ == np->last_tx_ctx)) |
761fcd9e | 1870 | np->put_tx_ctx = np->first_tx_ctx; |
f82a9352 | 1871 | } while (size); |
fa45459e AA |
1872 | |
1873 | /* setup the fragments */ | |
1874 | for (i = 0; i < fragments; i++) { | |
1875 | skb_frag_t *frag = &skb_shinfo(skb)->frags[i]; | |
1876 | u32 size = frag->size; | |
1877 | offset = 0; | |
1878 | ||
1879 | do { | |
761fcd9e AA |
1880 | prev_tx = put_tx; |
1881 | prev_tx_ctx = np->put_tx_ctx; | |
fa45459e | 1882 | bcnt = (size > NV_TX2_TSO_MAX_SIZE) ? NV_TX2_TSO_MAX_SIZE : size; |
761fcd9e AA |
1883 | np->put_tx_ctx->dma = pci_map_page(np->pci_dev, frag->page, frag->page_offset+offset, bcnt, |
1884 | PCI_DMA_TODEVICE); | |
1885 | np->put_tx_ctx->dma_len = bcnt; | |
86b22b0d AA |
1886 | put_tx->buf = cpu_to_le32(np->put_tx_ctx->dma); |
1887 | put_tx->flaglen = cpu_to_le32((bcnt-1) | tx_flags); | |
445583b8 | 1888 | |
fa45459e AA |
1889 | offset += bcnt; |
1890 | size -= bcnt; | |
445583b8 | 1891 | if (unlikely(put_tx++ == np->last_tx.orig)) |
86b22b0d | 1892 | put_tx = np->first_tx.orig; |
445583b8 | 1893 | if (unlikely(np->put_tx_ctx++ == np->last_tx_ctx)) |
761fcd9e | 1894 | np->put_tx_ctx = np->first_tx_ctx; |
fa45459e AA |
1895 | } while (size); |
1896 | } | |
ac9c1897 | 1897 | |
fa45459e | 1898 | /* set last fragment flag */ |
86b22b0d | 1899 | prev_tx->flaglen |= cpu_to_le32(tx_flags_extra); |
ac9c1897 | 1900 | |
761fcd9e AA |
1901 | /* save skb in this slot's context area */ |
1902 | prev_tx_ctx->skb = skb; | |
fa45459e | 1903 | |
89114afd | 1904 | if (skb_is_gso(skb)) |
7967168c | 1905 | tx_flags_extra = NV_TX2_TSO | (skb_shinfo(skb)->gso_size << NV_TX2_TSO_SHIFT); |
ac9c1897 | 1906 | else |
1d39ed56 | 1907 | tx_flags_extra = skb->ip_summed == CHECKSUM_PARTIAL ? |
84fa7933 | 1908 | NV_TX2_CHECKSUM_L3 | NV_TX2_CHECKSUM_L4 : 0; |
ac9c1897 | 1909 | |
164a86e4 AA |
1910 | spin_lock_irq(&np->lock); |
1911 | ||
fa45459e | 1912 | /* set tx flags */ |
86b22b0d AA |
1913 | start_tx->flaglen |= cpu_to_le32(tx_flags | tx_flags_extra); |
1914 | np->put_tx.orig = put_tx; | |
1da177e4 | 1915 | |
164a86e4 | 1916 | spin_unlock_irq(&np->lock); |
761fcd9e AA |
1917 | |
1918 | dprintk(KERN_DEBUG "%s: nv_start_xmit: entries %d queued for transmission. tx_flags_extra: %x\n", | |
1919 | dev->name, entries, tx_flags_extra); | |
1da177e4 LT |
1920 | { |
1921 | int j; | |
1922 | for (j=0; j<64; j++) { | |
1923 | if ((j%16) == 0) | |
1924 | dprintk("\n%03x:", j); | |
1925 | dprintk(" %02x", ((unsigned char*)skb->data)[j]); | |
1926 | } | |
1927 | dprintk("\n"); | |
1928 | } | |
1929 | ||
1da177e4 | 1930 | dev->trans_start = jiffies; |
8a4ae7f2 | 1931 | writel(NVREG_TXRXCTL_KICK|np->txrxctl_bits, get_hwbase(dev) + NvRegTxRxControl); |
ac9c1897 | 1932 | return NETDEV_TX_OK; |
1da177e4 LT |
1933 | } |
1934 | ||
86b22b0d AA |
1935 | static int nv_start_xmit_optimized(struct sk_buff *skb, struct net_device *dev) |
1936 | { | |
1937 | struct fe_priv *np = netdev_priv(dev); | |
1938 | u32 tx_flags = 0; | |
445583b8 | 1939 | u32 tx_flags_extra; |
86b22b0d AA |
1940 | unsigned int fragments = skb_shinfo(skb)->nr_frags; |
1941 | unsigned int i; | |
1942 | u32 offset = 0; | |
1943 | u32 bcnt; | |
1944 | u32 size = skb->len-skb->data_len; | |
1945 | u32 entries = (size >> NV_TX2_TSO_MAX_SHIFT) + ((size & (NV_TX2_TSO_MAX_SIZE-1)) ? 1 : 0); | |
1946 | u32 empty_slots; | |
86b22b0d AA |
1947 | struct ring_desc_ex* put_tx; |
1948 | struct ring_desc_ex* start_tx; | |
1949 | struct ring_desc_ex* prev_tx; | |
1950 | struct nv_skb_map* prev_tx_ctx; | |
1951 | ||
1952 | /* add fragments to entries count */ | |
1953 | for (i = 0; i < fragments; i++) { | |
1954 | entries += (skb_shinfo(skb)->frags[i].size >> NV_TX2_TSO_MAX_SHIFT) + | |
1955 | ((skb_shinfo(skb)->frags[i].size & (NV_TX2_TSO_MAX_SIZE-1)) ? 1 : 0); | |
1956 | } | |
1957 | ||
1958 | empty_slots = nv_get_empty_tx_slots(np); | |
445583b8 | 1959 | if (unlikely(empty_slots <= entries)) { |
86b22b0d AA |
1960 | spin_lock_irq(&np->lock); |
1961 | netif_stop_queue(dev); | |
aaa37d2d | 1962 | np->tx_stop = 1; |
86b22b0d AA |
1963 | spin_unlock_irq(&np->lock); |
1964 | return NETDEV_TX_BUSY; | |
1965 | } | |
1966 | ||
1967 | start_tx = put_tx = np->put_tx.ex; | |
1968 | ||
1969 | /* setup the header buffer */ | |
1970 | do { | |
1971 | prev_tx = put_tx; | |
1972 | prev_tx_ctx = np->put_tx_ctx; | |
1973 | bcnt = (size > NV_TX2_TSO_MAX_SIZE) ? NV_TX2_TSO_MAX_SIZE : size; | |
1974 | np->put_tx_ctx->dma = pci_map_single(np->pci_dev, skb->data + offset, bcnt, | |
1975 | PCI_DMA_TODEVICE); | |
1976 | np->put_tx_ctx->dma_len = bcnt; | |
5bb7ea26 AV |
1977 | put_tx->bufhigh = cpu_to_le32(dma_high(np->put_tx_ctx->dma)); |
1978 | put_tx->buflow = cpu_to_le32(dma_low(np->put_tx_ctx->dma)); | |
86b22b0d | 1979 | put_tx->flaglen = cpu_to_le32((bcnt-1) | tx_flags); |
445583b8 AA |
1980 | |
1981 | tx_flags = NV_TX2_VALID; | |
86b22b0d AA |
1982 | offset += bcnt; |
1983 | size -= bcnt; | |
445583b8 | 1984 | if (unlikely(put_tx++ == np->last_tx.ex)) |
86b22b0d | 1985 | put_tx = np->first_tx.ex; |
445583b8 | 1986 | if (unlikely(np->put_tx_ctx++ == np->last_tx_ctx)) |
86b22b0d AA |
1987 | np->put_tx_ctx = np->first_tx_ctx; |
1988 | } while (size); | |
1989 | ||
1990 | /* setup the fragments */ | |
1991 | for (i = 0; i < fragments; i++) { | |
1992 | skb_frag_t *frag = &skb_shinfo(skb)->frags[i]; | |
1993 | u32 size = frag->size; | |
1994 | offset = 0; | |
1995 | ||
1996 | do { | |
1997 | prev_tx = put_tx; | |
1998 | prev_tx_ctx = np->put_tx_ctx; | |
1999 | bcnt = (size > NV_TX2_TSO_MAX_SIZE) ? NV_TX2_TSO_MAX_SIZE : size; | |
2000 | np->put_tx_ctx->dma = pci_map_page(np->pci_dev, frag->page, frag->page_offset+offset, bcnt, | |
2001 | PCI_DMA_TODEVICE); | |
2002 | np->put_tx_ctx->dma_len = bcnt; | |
5bb7ea26 AV |
2003 | put_tx->bufhigh = cpu_to_le32(dma_high(np->put_tx_ctx->dma)); |
2004 | put_tx->buflow = cpu_to_le32(dma_low(np->put_tx_ctx->dma)); | |
86b22b0d | 2005 | put_tx->flaglen = cpu_to_le32((bcnt-1) | tx_flags); |
445583b8 | 2006 | |
86b22b0d AA |
2007 | offset += bcnt; |
2008 | size -= bcnt; | |
445583b8 | 2009 | if (unlikely(put_tx++ == np->last_tx.ex)) |
86b22b0d | 2010 | put_tx = np->first_tx.ex; |
445583b8 | 2011 | if (unlikely(np->put_tx_ctx++ == np->last_tx_ctx)) |
86b22b0d AA |
2012 | np->put_tx_ctx = np->first_tx_ctx; |
2013 | } while (size); | |
2014 | } | |
2015 | ||
2016 | /* set last fragment flag */ | |
445583b8 | 2017 | prev_tx->flaglen |= cpu_to_le32(NV_TX2_LASTPACKET); |
86b22b0d AA |
2018 | |
2019 | /* save skb in this slot's context area */ | |
2020 | prev_tx_ctx->skb = skb; | |
2021 | ||
2022 | if (skb_is_gso(skb)) | |
2023 | tx_flags_extra = NV_TX2_TSO | (skb_shinfo(skb)->gso_size << NV_TX2_TSO_SHIFT); | |
2024 | else | |
2025 | tx_flags_extra = skb->ip_summed == CHECKSUM_PARTIAL ? | |
2026 | NV_TX2_CHECKSUM_L3 | NV_TX2_CHECKSUM_L4 : 0; | |
2027 | ||
2028 | /* vlan tag */ | |
445583b8 AA |
2029 | if (likely(!np->vlangrp)) { |
2030 | start_tx->txvlan = 0; | |
2031 | } else { | |
2032 | if (vlan_tx_tag_present(skb)) | |
2033 | start_tx->txvlan = cpu_to_le32(NV_TX3_VLAN_TAG_PRESENT | vlan_tx_tag_get(skb)); | |
2034 | else | |
2035 | start_tx->txvlan = 0; | |
86b22b0d AA |
2036 | } |
2037 | ||
2038 | spin_lock_irq(&np->lock); | |
2039 | ||
2040 | /* set tx flags */ | |
86b22b0d AA |
2041 | start_tx->flaglen |= cpu_to_le32(tx_flags | tx_flags_extra); |
2042 | np->put_tx.ex = put_tx; | |
2043 | ||
2044 | spin_unlock_irq(&np->lock); | |
2045 | ||
2046 | dprintk(KERN_DEBUG "%s: nv_start_xmit_optimized: entries %d queued for transmission. tx_flags_extra: %x\n", | |
2047 | dev->name, entries, tx_flags_extra); | |
2048 | { | |
2049 | int j; | |
2050 | for (j=0; j<64; j++) { | |
2051 | if ((j%16) == 0) | |
2052 | dprintk("\n%03x:", j); | |
2053 | dprintk(" %02x", ((unsigned char*)skb->data)[j]); | |
2054 | } | |
2055 | dprintk("\n"); | |
2056 | } | |
2057 | ||
2058 | dev->trans_start = jiffies; | |
2059 | writel(NVREG_TXRXCTL_KICK|np->txrxctl_bits, get_hwbase(dev) + NvRegTxRxControl); | |
86b22b0d AA |
2060 | return NETDEV_TX_OK; |
2061 | } | |
2062 | ||
1da177e4 LT |
2063 | /* |
2064 | * nv_tx_done: check for completed packets, release the skbs. | |
2065 | * | |
2066 | * Caller must own np->lock. | |
2067 | */ | |
2068 | static void nv_tx_done(struct net_device *dev) | |
2069 | { | |
ac9c1897 | 2070 | struct fe_priv *np = netdev_priv(dev); |
f82a9352 | 2071 | u32 flags; |
aaa37d2d | 2072 | struct ring_desc* orig_get_tx = np->get_tx.orig; |
1da177e4 | 2073 | |
445583b8 AA |
2074 | while ((np->get_tx.orig != np->put_tx.orig) && |
2075 | !((flags = le32_to_cpu(np->get_tx.orig->flaglen)) & NV_TX_VALID)) { | |
1da177e4 | 2076 | |
761fcd9e AA |
2077 | dprintk(KERN_DEBUG "%s: nv_tx_done: flags 0x%x.\n", |
2078 | dev->name, flags); | |
445583b8 AA |
2079 | |
2080 | pci_unmap_page(np->pci_dev, np->get_tx_ctx->dma, | |
2081 | np->get_tx_ctx->dma_len, | |
2082 | PCI_DMA_TODEVICE); | |
2083 | np->get_tx_ctx->dma = 0; | |
2084 | ||
1da177e4 | 2085 | if (np->desc_ver == DESC_VER_1) { |
f82a9352 | 2086 | if (flags & NV_TX_LASTPACKET) { |
445583b8 | 2087 | if (flags & NV_TX_ERROR) { |
f82a9352 | 2088 | if (flags & NV_TX_UNDERFLOW) |
8148ff45 | 2089 | dev->stats.tx_fifo_errors++; |
f82a9352 | 2090 | if (flags & NV_TX_CARRIERLOST) |
8148ff45 JG |
2091 | dev->stats.tx_carrier_errors++; |
2092 | dev->stats.tx_errors++; | |
ac9c1897 | 2093 | } else { |
8148ff45 JG |
2094 | dev->stats.tx_packets++; |
2095 | dev->stats.tx_bytes += np->get_tx_ctx->skb->len; | |
ac9c1897 | 2096 | } |
445583b8 AA |
2097 | dev_kfree_skb_any(np->get_tx_ctx->skb); |
2098 | np->get_tx_ctx->skb = NULL; | |
1da177e4 LT |
2099 | } |
2100 | } else { | |
f82a9352 | 2101 | if (flags & NV_TX2_LASTPACKET) { |
445583b8 | 2102 | if (flags & NV_TX2_ERROR) { |
f82a9352 | 2103 | if (flags & NV_TX2_UNDERFLOW) |
8148ff45 | 2104 | dev->stats.tx_fifo_errors++; |
f82a9352 | 2105 | if (flags & NV_TX2_CARRIERLOST) |
8148ff45 JG |
2106 | dev->stats.tx_carrier_errors++; |
2107 | dev->stats.tx_errors++; | |
ac9c1897 | 2108 | } else { |
8148ff45 JG |
2109 | dev->stats.tx_packets++; |
2110 | dev->stats.tx_bytes += np->get_tx_ctx->skb->len; | |
f3b197ac | 2111 | } |
445583b8 AA |
2112 | dev_kfree_skb_any(np->get_tx_ctx->skb); |
2113 | np->get_tx_ctx->skb = NULL; | |
1da177e4 LT |
2114 | } |
2115 | } | |
445583b8 | 2116 | if (unlikely(np->get_tx.orig++ == np->last_tx.orig)) |
86b22b0d | 2117 | np->get_tx.orig = np->first_tx.orig; |
445583b8 | 2118 | if (unlikely(np->get_tx_ctx++ == np->last_tx_ctx)) |
86b22b0d AA |
2119 | np->get_tx_ctx = np->first_tx_ctx; |
2120 | } | |
445583b8 | 2121 | if (unlikely((np->tx_stop == 1) && (np->get_tx.orig != orig_get_tx))) { |
aaa37d2d | 2122 | np->tx_stop = 0; |
86b22b0d | 2123 | netif_wake_queue(dev); |
aaa37d2d | 2124 | } |
86b22b0d AA |
2125 | } |
2126 | ||
4e16ed1b | 2127 | static void nv_tx_done_optimized(struct net_device *dev, int limit) |
86b22b0d AA |
2128 | { |
2129 | struct fe_priv *np = netdev_priv(dev); | |
2130 | u32 flags; | |
aaa37d2d | 2131 | struct ring_desc_ex* orig_get_tx = np->get_tx.ex; |
86b22b0d | 2132 | |
445583b8 | 2133 | while ((np->get_tx.ex != np->put_tx.ex) && |
4e16ed1b AA |
2134 | !((flags = le32_to_cpu(np->get_tx.ex->flaglen)) & NV_TX_VALID) && |
2135 | (limit-- > 0)) { | |
86b22b0d AA |
2136 | |
2137 | dprintk(KERN_DEBUG "%s: nv_tx_done_optimized: flags 0x%x.\n", | |
2138 | dev->name, flags); | |
445583b8 AA |
2139 | |
2140 | pci_unmap_page(np->pci_dev, np->get_tx_ctx->dma, | |
2141 | np->get_tx_ctx->dma_len, | |
2142 | PCI_DMA_TODEVICE); | |
2143 | np->get_tx_ctx->dma = 0; | |
2144 | ||
86b22b0d | 2145 | if (flags & NV_TX2_LASTPACKET) { |
21828163 | 2146 | if (!(flags & NV_TX2_ERROR)) |
8148ff45 | 2147 | dev->stats.tx_packets++; |
445583b8 AA |
2148 | dev_kfree_skb_any(np->get_tx_ctx->skb); |
2149 | np->get_tx_ctx->skb = NULL; | |
761fcd9e | 2150 | } |
445583b8 | 2151 | if (unlikely(np->get_tx.ex++ == np->last_tx.ex)) |
86b22b0d | 2152 | np->get_tx.ex = np->first_tx.ex; |
445583b8 | 2153 | if (unlikely(np->get_tx_ctx++ == np->last_tx_ctx)) |
761fcd9e | 2154 | np->get_tx_ctx = np->first_tx_ctx; |
1da177e4 | 2155 | } |
445583b8 | 2156 | if (unlikely((np->tx_stop == 1) && (np->get_tx.ex != orig_get_tx))) { |
aaa37d2d | 2157 | np->tx_stop = 0; |
1da177e4 | 2158 | netif_wake_queue(dev); |
aaa37d2d | 2159 | } |
1da177e4 LT |
2160 | } |
2161 | ||
2162 | /* | |
2163 | * nv_tx_timeout: dev->tx_timeout function | |
932ff279 | 2164 | * Called with netif_tx_lock held. |
1da177e4 LT |
2165 | */ |
2166 | static void nv_tx_timeout(struct net_device *dev) | |
2167 | { | |
ac9c1897 | 2168 | struct fe_priv *np = netdev_priv(dev); |
1da177e4 | 2169 | u8 __iomem *base = get_hwbase(dev); |
d33a73c8 AA |
2170 | u32 status; |
2171 | ||
2172 | if (np->msi_flags & NV_MSI_X_ENABLED) | |
2173 | status = readl(base + NvRegMSIXIrqStatus) & NVREG_IRQSTAT_MASK; | |
2174 | else | |
2175 | status = readl(base + NvRegIrqStatus) & NVREG_IRQSTAT_MASK; | |
1da177e4 | 2176 | |
d33a73c8 | 2177 | printk(KERN_INFO "%s: Got tx_timeout. irq: %08x\n", dev->name, status); |
1da177e4 | 2178 | |
c2dba06d MS |
2179 | { |
2180 | int i; | |
2181 | ||
761fcd9e AA |
2182 | printk(KERN_INFO "%s: Ring at %lx\n", |
2183 | dev->name, (unsigned long)np->ring_addr); | |
c2dba06d | 2184 | printk(KERN_INFO "%s: Dumping tx registers\n", dev->name); |
86a0f043 | 2185 | for (i=0;i<=np->register_size;i+= 32) { |
c2dba06d MS |
2186 | printk(KERN_INFO "%3x: %08x %08x %08x %08x %08x %08x %08x %08x\n", |
2187 | i, | |
2188 | readl(base + i + 0), readl(base + i + 4), | |
2189 | readl(base + i + 8), readl(base + i + 12), | |
2190 | readl(base + i + 16), readl(base + i + 20), | |
2191 | readl(base + i + 24), readl(base + i + 28)); | |
2192 | } | |
2193 | printk(KERN_INFO "%s: Dumping tx ring\n", dev->name); | |
eafa59f6 | 2194 | for (i=0;i<np->tx_ring_size;i+= 4) { |
ee73362c MS |
2195 | if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) { |
2196 | printk(KERN_INFO "%03x: %08x %08x // %08x %08x // %08x %08x // %08x %08x\n", | |
f3b197ac | 2197 | i, |
f82a9352 SH |
2198 | le32_to_cpu(np->tx_ring.orig[i].buf), |
2199 | le32_to_cpu(np->tx_ring.orig[i].flaglen), | |
2200 | le32_to_cpu(np->tx_ring.orig[i+1].buf), | |
2201 | le32_to_cpu(np->tx_ring.orig[i+1].flaglen), | |
2202 | le32_to_cpu(np->tx_ring.orig[i+2].buf), | |
2203 | le32_to_cpu(np->tx_ring.orig[i+2].flaglen), | |
2204 | le32_to_cpu(np->tx_ring.orig[i+3].buf), | |
2205 | le32_to_cpu(np->tx_ring.orig[i+3].flaglen)); | |
ee73362c MS |
2206 | } else { |
2207 | printk(KERN_INFO "%03x: %08x %08x %08x // %08x %08x %08x // %08x %08x %08x // %08x %08x %08x\n", | |
f3b197ac | 2208 | i, |
f82a9352 SH |
2209 | le32_to_cpu(np->tx_ring.ex[i].bufhigh), |
2210 | le32_to_cpu(np->tx_ring.ex[i].buflow), | |
2211 | le32_to_cpu(np->tx_ring.ex[i].flaglen), | |
2212 | le32_to_cpu(np->tx_ring.ex[i+1].bufhigh), | |
2213 | le32_to_cpu(np->tx_ring.ex[i+1].buflow), | |
2214 | le32_to_cpu(np->tx_ring.ex[i+1].flaglen), | |
2215 | le32_to_cpu(np->tx_ring.ex[i+2].bufhigh), | |
2216 | le32_to_cpu(np->tx_ring.ex[i+2].buflow), | |
2217 | le32_to_cpu(np->tx_ring.ex[i+2].flaglen), | |
2218 | le32_to_cpu(np->tx_ring.ex[i+3].bufhigh), | |
2219 | le32_to_cpu(np->tx_ring.ex[i+3].buflow), | |
2220 | le32_to_cpu(np->tx_ring.ex[i+3].flaglen)); | |
ee73362c | 2221 | } |
c2dba06d MS |
2222 | } |
2223 | } | |
2224 | ||
1da177e4 LT |
2225 | spin_lock_irq(&np->lock); |
2226 | ||
2227 | /* 1) stop tx engine */ | |
2228 | nv_stop_tx(dev); | |
2229 | ||
2230 | /* 2) check that the packets were not sent already: */ | |
86b22b0d AA |
2231 | if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) |
2232 | nv_tx_done(dev); | |
2233 | else | |
4e16ed1b | 2234 | nv_tx_done_optimized(dev, np->tx_ring_size); |
1da177e4 LT |
2235 | |
2236 | /* 3) if there are dead entries: clear everything */ | |
761fcd9e | 2237 | if (np->get_tx_ctx != np->put_tx_ctx) { |
1da177e4 LT |
2238 | printk(KERN_DEBUG "%s: tx_timeout: dead entries!\n", dev->name); |
2239 | nv_drain_tx(dev); | |
761fcd9e | 2240 | nv_init_tx(dev); |
0832b25a | 2241 | setup_hw_rings(dev, NV_SETUP_TX_RING); |
1da177e4 LT |
2242 | } |
2243 | ||
3ba4d093 AA |
2244 | netif_wake_queue(dev); |
2245 | ||
1da177e4 LT |
2246 | /* 4) restart tx engine */ |
2247 | nv_start_tx(dev); | |
2248 | spin_unlock_irq(&np->lock); | |
2249 | } | |
2250 | ||
22c6d143 MS |
2251 | /* |
2252 | * Called when the nic notices a mismatch between the actual data len on the | |
2253 | * wire and the len indicated in the 802 header | |
2254 | */ | |
2255 | static int nv_getlen(struct net_device *dev, void *packet, int datalen) | |
2256 | { | |
2257 | int hdrlen; /* length of the 802 header */ | |
2258 | int protolen; /* length as stored in the proto field */ | |
2259 | ||
2260 | /* 1) calculate len according to header */ | |
f82a9352 | 2261 | if ( ((struct vlan_ethhdr *)packet)->h_vlan_proto == htons(ETH_P_8021Q)) { |
22c6d143 MS |
2262 | protolen = ntohs( ((struct vlan_ethhdr *)packet)->h_vlan_encapsulated_proto ); |
2263 | hdrlen = VLAN_HLEN; | |
2264 | } else { | |
2265 | protolen = ntohs( ((struct ethhdr *)packet)->h_proto); | |
2266 | hdrlen = ETH_HLEN; | |
2267 | } | |
2268 | dprintk(KERN_DEBUG "%s: nv_getlen: datalen %d, protolen %d, hdrlen %d\n", | |
2269 | dev->name, datalen, protolen, hdrlen); | |
2270 | if (protolen > ETH_DATA_LEN) | |
2271 | return datalen; /* Value in proto field not a len, no checks possible */ | |
2272 | ||
2273 | protolen += hdrlen; | |
2274 | /* consistency checks: */ | |
2275 | if (datalen > ETH_ZLEN) { | |
2276 | if (datalen >= protolen) { | |
2277 | /* more data on wire than in 802 header, trim of | |
2278 | * additional data. | |
2279 | */ | |
2280 | dprintk(KERN_DEBUG "%s: nv_getlen: accepting %d bytes.\n", | |
2281 | dev->name, protolen); | |
2282 | return protolen; | |
2283 | } else { | |
2284 | /* less data on wire than mentioned in header. | |
2285 | * Discard the packet. | |
2286 | */ | |
2287 | dprintk(KERN_DEBUG "%s: nv_getlen: discarding long packet.\n", | |
2288 | dev->name); | |
2289 | return -1; | |
2290 | } | |
2291 | } else { | |
2292 | /* short packet. Accept only if 802 values are also short */ | |
2293 | if (protolen > ETH_ZLEN) { | |
2294 | dprintk(KERN_DEBUG "%s: nv_getlen: discarding short packet.\n", | |
2295 | dev->name); | |
2296 | return -1; | |
2297 | } | |
2298 | dprintk(KERN_DEBUG "%s: nv_getlen: accepting %d bytes.\n", | |
2299 | dev->name, datalen); | |
2300 | return datalen; | |
2301 | } | |
2302 | } | |
2303 | ||
e27cdba5 | 2304 | static int nv_rx_process(struct net_device *dev, int limit) |
1da177e4 | 2305 | { |
ac9c1897 | 2306 | struct fe_priv *np = netdev_priv(dev); |
f82a9352 | 2307 | u32 flags; |
bcb5febb | 2308 | int rx_work = 0; |
b01867cb AA |
2309 | struct sk_buff *skb; |
2310 | int len; | |
1da177e4 | 2311 | |
b01867cb AA |
2312 | while((np->get_rx.orig != np->put_rx.orig) && |
2313 | !((flags = le32_to_cpu(np->get_rx.orig->flaglen)) & NV_RX_AVAIL) && | |
bcb5febb | 2314 | (rx_work < limit)) { |
1da177e4 | 2315 | |
761fcd9e AA |
2316 | dprintk(KERN_DEBUG "%s: nv_rx_process: flags 0x%x.\n", |
2317 | dev->name, flags); | |
1da177e4 | 2318 | |
1da177e4 LT |
2319 | /* |
2320 | * the packet is for us - immediately tear down the pci mapping. | |
2321 | * TODO: check if a prefetch of the first cacheline improves | |
2322 | * the performance. | |
2323 | */ | |
761fcd9e AA |
2324 | pci_unmap_single(np->pci_dev, np->get_rx_ctx->dma, |
2325 | np->get_rx_ctx->dma_len, | |
1da177e4 | 2326 | PCI_DMA_FROMDEVICE); |
0d63fb32 AA |
2327 | skb = np->get_rx_ctx->skb; |
2328 | np->get_rx_ctx->skb = NULL; | |
1da177e4 LT |
2329 | |
2330 | { | |
2331 | int j; | |
f82a9352 | 2332 | dprintk(KERN_DEBUG "Dumping packet (flags 0x%x).",flags); |
1da177e4 LT |
2333 | for (j=0; j<64; j++) { |
2334 | if ((j%16) == 0) | |
2335 | dprintk("\n%03x:", j); | |
0d63fb32 | 2336 | dprintk(" %02x", ((unsigned char*)skb->data)[j]); |
1da177e4 LT |
2337 | } |
2338 | dprintk("\n"); | |
2339 | } | |
2340 | /* look at what we actually got: */ | |
2341 | if (np->desc_ver == DESC_VER_1) { | |
b01867cb AA |
2342 | if (likely(flags & NV_RX_DESCRIPTORVALID)) { |
2343 | len = flags & LEN_MASK_V1; | |
2344 | if (unlikely(flags & NV_RX_ERROR)) { | |
2345 | if (flags & NV_RX_ERROR4) { | |
2346 | len = nv_getlen(dev, skb->data, len); | |
2347 | if (len < 0) { | |
8148ff45 | 2348 | dev->stats.rx_errors++; |
b01867cb AA |
2349 | dev_kfree_skb(skb); |
2350 | goto next_pkt; | |
2351 | } | |
2352 | } | |
2353 | /* framing errors are soft errors */ | |
2354 | else if (flags & NV_RX_FRAMINGERR) { | |
2355 | if (flags & NV_RX_SUBSTRACT1) { | |
2356 | len--; | |
2357 | } | |
2358 | } | |
2359 | /* the rest are hard errors */ | |
2360 | else { | |
2361 | if (flags & NV_RX_MISSEDFRAME) | |
8148ff45 | 2362 | dev->stats.rx_missed_errors++; |
b01867cb | 2363 | if (flags & NV_RX_CRCERR) |
8148ff45 | 2364 | dev->stats.rx_crc_errors++; |
b01867cb | 2365 | if (flags & NV_RX_OVERFLOW) |
8148ff45 JG |
2366 | dev->stats.rx_over_errors++; |
2367 | dev->stats.rx_errors++; | |
0d63fb32 | 2368 | dev_kfree_skb(skb); |
a971c324 AA |
2369 | goto next_pkt; |
2370 | } | |
2371 | } | |
b01867cb | 2372 | } else { |
0d63fb32 | 2373 | dev_kfree_skb(skb); |
1da177e4 | 2374 | goto next_pkt; |
0d63fb32 | 2375 | } |
b01867cb AA |
2376 | } else { |
2377 | if (likely(flags & NV_RX2_DESCRIPTORVALID)) { | |
2378 | len = flags & LEN_MASK_V2; | |
2379 | if (unlikely(flags & NV_RX2_ERROR)) { | |
2380 | if (flags & NV_RX2_ERROR4) { | |
2381 | len = nv_getlen(dev, skb->data, len); | |
2382 | if (len < 0) { | |
8148ff45 | 2383 | dev->stats.rx_errors++; |
b01867cb AA |
2384 | dev_kfree_skb(skb); |
2385 | goto next_pkt; | |
2386 | } | |
2387 | } | |
2388 | /* framing errors are soft errors */ | |
2389 | else if (flags & NV_RX2_FRAMINGERR) { | |
2390 | if (flags & NV_RX2_SUBSTRACT1) { | |
2391 | len--; | |
2392 | } | |
2393 | } | |
2394 | /* the rest are hard errors */ | |
2395 | else { | |
2396 | if (flags & NV_RX2_CRCERR) | |
8148ff45 | 2397 | dev->stats.rx_crc_errors++; |
b01867cb | 2398 | if (flags & NV_RX2_OVERFLOW) |
8148ff45 JG |
2399 | dev->stats.rx_over_errors++; |
2400 | dev->stats.rx_errors++; | |
0d63fb32 | 2401 | dev_kfree_skb(skb); |
a971c324 AA |
2402 | goto next_pkt; |
2403 | } | |
2404 | } | |
bfaffe8f AA |
2405 | if (((flags & NV_RX2_CHECKSUMMASK) == NV_RX2_CHECKSUM_IP_TCP) || /*ip and tcp */ |
2406 | ((flags & NV_RX2_CHECKSUMMASK) == NV_RX2_CHECKSUM_IP_UDP)) /*ip and udp */ | |
0d63fb32 | 2407 | skb->ip_summed = CHECKSUM_UNNECESSARY; |
b01867cb AA |
2408 | } else { |
2409 | dev_kfree_skb(skb); | |
2410 | goto next_pkt; | |
1da177e4 LT |
2411 | } |
2412 | } | |
2413 | /* got a valid packet - forward it to the network core */ | |
1da177e4 LT |
2414 | skb_put(skb, len); |
2415 | skb->protocol = eth_type_trans(skb, dev); | |
761fcd9e AA |
2416 | dprintk(KERN_DEBUG "%s: nv_rx_process: %d bytes, proto %d accepted.\n", |
2417 | dev->name, len, skb->protocol); | |
e27cdba5 | 2418 | #ifdef CONFIG_FORCEDETH_NAPI |
b01867cb | 2419 | netif_receive_skb(skb); |
e27cdba5 | 2420 | #else |
b01867cb | 2421 | netif_rx(skb); |
e27cdba5 | 2422 | #endif |
1da177e4 | 2423 | dev->last_rx = jiffies; |
8148ff45 JG |
2424 | dev->stats.rx_packets++; |
2425 | dev->stats.rx_bytes += len; | |
1da177e4 | 2426 | next_pkt: |
b01867cb | 2427 | if (unlikely(np->get_rx.orig++ == np->last_rx.orig)) |
86b22b0d | 2428 | np->get_rx.orig = np->first_rx.orig; |
b01867cb | 2429 | if (unlikely(np->get_rx_ctx++ == np->last_rx_ctx)) |
86b22b0d | 2430 | np->get_rx_ctx = np->first_rx_ctx; |
bcb5febb IM |
2431 | |
2432 | rx_work++; | |
86b22b0d AA |
2433 | } |
2434 | ||
bcb5febb | 2435 | return rx_work; |
86b22b0d AA |
2436 | } |
2437 | ||
2438 | static int nv_rx_process_optimized(struct net_device *dev, int limit) | |
2439 | { | |
2440 | struct fe_priv *np = netdev_priv(dev); | |
2441 | u32 flags; | |
2442 | u32 vlanflags = 0; | |
c1b7151a | 2443 | int rx_work = 0; |
b01867cb AA |
2444 | struct sk_buff *skb; |
2445 | int len; | |
86b22b0d | 2446 | |
b01867cb AA |
2447 | while((np->get_rx.ex != np->put_rx.ex) && |
2448 | !((flags = le32_to_cpu(np->get_rx.ex->flaglen)) & NV_RX2_AVAIL) && | |
c1b7151a | 2449 | (rx_work < limit)) { |
86b22b0d AA |
2450 | |
2451 | dprintk(KERN_DEBUG "%s: nv_rx_process_optimized: flags 0x%x.\n", | |
2452 | dev->name, flags); | |
2453 | ||
86b22b0d AA |
2454 | /* |
2455 | * the packet is for us - immediately tear down the pci mapping. | |
2456 | * TODO: check if a prefetch of the first cacheline improves | |
2457 | * the performance. | |
2458 | */ | |
2459 | pci_unmap_single(np->pci_dev, np->get_rx_ctx->dma, | |
2460 | np->get_rx_ctx->dma_len, | |
2461 | PCI_DMA_FROMDEVICE); | |
2462 | skb = np->get_rx_ctx->skb; | |
2463 | np->get_rx_ctx->skb = NULL; | |
2464 | ||
2465 | { | |
2466 | int j; | |
2467 | dprintk(KERN_DEBUG "Dumping packet (flags 0x%x).",flags); | |
2468 | for (j=0; j<64; j++) { | |
2469 | if ((j%16) == 0) | |
2470 | dprintk("\n%03x:", j); | |
2471 | dprintk(" %02x", ((unsigned char*)skb->data)[j]); | |
2472 | } | |
2473 | dprintk("\n"); | |
761fcd9e | 2474 | } |
86b22b0d | 2475 | /* look at what we actually got: */ |
b01867cb AA |
2476 | if (likely(flags & NV_RX2_DESCRIPTORVALID)) { |
2477 | len = flags & LEN_MASK_V2; | |
2478 | if (unlikely(flags & NV_RX2_ERROR)) { | |
2479 | if (flags & NV_RX2_ERROR4) { | |
2480 | len = nv_getlen(dev, skb->data, len); | |
2481 | if (len < 0) { | |
b01867cb AA |
2482 | dev_kfree_skb(skb); |
2483 | goto next_pkt; | |
2484 | } | |
2485 | } | |
2486 | /* framing errors are soft errors */ | |
2487 | else if (flags & NV_RX2_FRAMINGERR) { | |
2488 | if (flags & NV_RX2_SUBSTRACT1) { | |
2489 | len--; | |
2490 | } | |
2491 | } | |
2492 | /* the rest are hard errors */ | |
2493 | else { | |
86b22b0d AA |
2494 | dev_kfree_skb(skb); |
2495 | goto next_pkt; | |
2496 | } | |
2497 | } | |
b01867cb | 2498 | |
bfaffe8f AA |
2499 | if (((flags & NV_RX2_CHECKSUMMASK) == NV_RX2_CHECKSUM_IP_TCP) || /*ip and tcp */ |
2500 | ((flags & NV_RX2_CHECKSUMMASK) == NV_RX2_CHECKSUM_IP_UDP)) /*ip and udp */ | |
86b22b0d | 2501 | skb->ip_summed = CHECKSUM_UNNECESSARY; |
b01867cb AA |
2502 | |
2503 | /* got a valid packet - forward it to the network core */ | |
2504 | skb_put(skb, len); | |
2505 | skb->protocol = eth_type_trans(skb, dev); | |
2506 | prefetch(skb->data); | |
2507 | ||
2508 | dprintk(KERN_DEBUG "%s: nv_rx_process_optimized: %d bytes, proto %d accepted.\n", | |
2509 | dev->name, len, skb->protocol); | |
2510 | ||
2511 | if (likely(!np->vlangrp)) { | |
86b22b0d | 2512 | #ifdef CONFIG_FORCEDETH_NAPI |
b01867cb | 2513 | netif_receive_skb(skb); |
86b22b0d | 2514 | #else |
b01867cb | 2515 | netif_rx(skb); |
86b22b0d | 2516 | #endif |
b01867cb AA |
2517 | } else { |
2518 | vlanflags = le32_to_cpu(np->get_rx.ex->buflow); | |
2519 | if (vlanflags & NV_RX3_VLAN_TAG_PRESENT) { | |
2520 | #ifdef CONFIG_FORCEDETH_NAPI | |
2521 | vlan_hwaccel_receive_skb(skb, np->vlangrp, | |
2522 | vlanflags & NV_RX3_VLAN_TAG_MASK); | |
2523 | #else | |
2524 | vlan_hwaccel_rx(skb, np->vlangrp, | |
2525 | vlanflags & NV_RX3_VLAN_TAG_MASK); | |
2526 | #endif | |
2527 | } else { | |
2528 | #ifdef CONFIG_FORCEDETH_NAPI | |
2529 | netif_receive_skb(skb); | |
2530 | #else | |
2531 | netif_rx(skb); | |
2532 | #endif | |
2533 | } | |
2534 | } | |
2535 | ||
2536 | dev->last_rx = jiffies; | |
8148ff45 JG |
2537 | dev->stats.rx_packets++; |
2538 | dev->stats.rx_bytes += len; | |
b01867cb AA |
2539 | } else { |
2540 | dev_kfree_skb(skb); | |
2541 | } | |
86b22b0d | 2542 | next_pkt: |
b01867cb | 2543 | if (unlikely(np->get_rx.ex++ == np->last_rx.ex)) |
86b22b0d | 2544 | np->get_rx.ex = np->first_rx.ex; |
b01867cb | 2545 | if (unlikely(np->get_rx_ctx++ == np->last_rx_ctx)) |
761fcd9e | 2546 | np->get_rx_ctx = np->first_rx_ctx; |
c1b7151a IM |
2547 | |
2548 | rx_work++; | |
1da177e4 | 2549 | } |
e27cdba5 | 2550 | |
c1b7151a | 2551 | return rx_work; |
1da177e4 LT |
2552 | } |
2553 | ||
d81c0983 MS |
2554 | static void set_bufsize(struct net_device *dev) |
2555 | { | |
2556 | struct fe_priv *np = netdev_priv(dev); | |
2557 | ||
2558 | if (dev->mtu <= ETH_DATA_LEN) | |
2559 | np->rx_buf_sz = ETH_DATA_LEN + NV_RX_HEADERS; | |
2560 | else | |
2561 | np->rx_buf_sz = dev->mtu + NV_RX_HEADERS; | |
2562 | } | |
2563 | ||
1da177e4 LT |
2564 | /* |
2565 | * nv_change_mtu: dev->change_mtu function | |
2566 | * Called with dev_base_lock held for read. | |
2567 | */ | |
2568 | static int nv_change_mtu(struct net_device *dev, int new_mtu) | |
2569 | { | |
ac9c1897 | 2570 | struct fe_priv *np = netdev_priv(dev); |
d81c0983 MS |
2571 | int old_mtu; |
2572 | ||
2573 | if (new_mtu < 64 || new_mtu > np->pkt_limit) | |
1da177e4 | 2574 | return -EINVAL; |
d81c0983 MS |
2575 | |
2576 | old_mtu = dev->mtu; | |
1da177e4 | 2577 | dev->mtu = new_mtu; |
d81c0983 MS |
2578 | |
2579 | /* return early if the buffer sizes will not change */ | |
2580 | if (old_mtu <= ETH_DATA_LEN && new_mtu <= ETH_DATA_LEN) | |
2581 | return 0; | |
2582 | if (old_mtu == new_mtu) | |
2583 | return 0; | |
2584 | ||
2585 | /* synchronized against open : rtnl_lock() held by caller */ | |
2586 | if (netif_running(dev)) { | |
25097d4b | 2587 | u8 __iomem *base = get_hwbase(dev); |
d81c0983 MS |
2588 | /* |
2589 | * It seems that the nic preloads valid ring entries into an | |
2590 | * internal buffer. The procedure for flushing everything is | |
2591 | * guessed, there is probably a simpler approach. | |
2592 | * Changing the MTU is a rare event, it shouldn't matter. | |
2593 | */ | |
84b3932b | 2594 | nv_disable_irq(dev); |
932ff279 | 2595 | netif_tx_lock_bh(dev); |
d81c0983 MS |
2596 | spin_lock(&np->lock); |
2597 | /* stop engines */ | |
2598 | nv_stop_rx(dev); | |
2599 | nv_stop_tx(dev); | |
2600 | nv_txrx_reset(dev); | |
2601 | /* drain rx queue */ | |
2602 | nv_drain_rx(dev); | |
2603 | nv_drain_tx(dev); | |
2604 | /* reinit driver view of the rx queue */ | |
d81c0983 | 2605 | set_bufsize(dev); |
eafa59f6 | 2606 | if (nv_init_ring(dev)) { |
d81c0983 MS |
2607 | if (!np->in_shutdown) |
2608 | mod_timer(&np->oom_kick, jiffies + OOM_REFILL); | |
2609 | } | |
2610 | /* reinit nic view of the rx queue */ | |
2611 | writel(np->rx_buf_sz, base + NvRegOffloadConfig); | |
0832b25a | 2612 | setup_hw_rings(dev, NV_SETUP_RX_RING | NV_SETUP_TX_RING); |
eafa59f6 | 2613 | writel( ((np->rx_ring_size-1) << NVREG_RINGSZ_RXSHIFT) + ((np->tx_ring_size-1) << NVREG_RINGSZ_TXSHIFT), |
d81c0983 MS |
2614 | base + NvRegRingSizes); |
2615 | pci_push(base); | |
8a4ae7f2 | 2616 | writel(NVREG_TXRXCTL_KICK|np->txrxctl_bits, get_hwbase(dev) + NvRegTxRxControl); |
d81c0983 MS |
2617 | pci_push(base); |
2618 | ||
2619 | /* restart rx engine */ | |
2620 | nv_start_rx(dev); | |
2621 | nv_start_tx(dev); | |
2622 | spin_unlock(&np->lock); | |
932ff279 | 2623 | netif_tx_unlock_bh(dev); |
84b3932b | 2624 | nv_enable_irq(dev); |
d81c0983 | 2625 | } |
1da177e4 LT |
2626 | return 0; |
2627 | } | |
2628 | ||
72b31782 MS |
2629 | static void nv_copy_mac_to_hw(struct net_device *dev) |
2630 | { | |
25097d4b | 2631 | u8 __iomem *base = get_hwbase(dev); |
72b31782 MS |
2632 | u32 mac[2]; |
2633 | ||
2634 | mac[0] = (dev->dev_addr[0] << 0) + (dev->dev_addr[1] << 8) + | |
2635 | (dev->dev_addr[2] << 16) + (dev->dev_addr[3] << 24); | |
2636 | mac[1] = (dev->dev_addr[4] << 0) + (dev->dev_addr[5] << 8); | |
2637 | ||
2638 | writel(mac[0], base + NvRegMacAddrA); | |
2639 | writel(mac[1], base + NvRegMacAddrB); | |
2640 | } | |
2641 | ||
2642 | /* | |
2643 | * nv_set_mac_address: dev->set_mac_address function | |
2644 | * Called with rtnl_lock() held. | |
2645 | */ | |
2646 | static int nv_set_mac_address(struct net_device *dev, void *addr) | |
2647 | { | |
ac9c1897 | 2648 | struct fe_priv *np = netdev_priv(dev); |
72b31782 MS |
2649 | struct sockaddr *macaddr = (struct sockaddr*)addr; |
2650 | ||
f82a9352 | 2651 | if (!is_valid_ether_addr(macaddr->sa_data)) |
72b31782 MS |
2652 | return -EADDRNOTAVAIL; |
2653 | ||
2654 | /* synchronized against open : rtnl_lock() held by caller */ | |
2655 | memcpy(dev->dev_addr, macaddr->sa_data, ETH_ALEN); | |
2656 | ||
2657 | if (netif_running(dev)) { | |
932ff279 | 2658 | netif_tx_lock_bh(dev); |
72b31782 MS |
2659 | spin_lock_irq(&np->lock); |
2660 | ||
2661 | /* stop rx engine */ | |
2662 | nv_stop_rx(dev); | |
2663 | ||
2664 | /* set mac address */ | |
2665 | nv_copy_mac_to_hw(dev); | |
2666 | ||
2667 | /* restart rx engine */ | |
2668 | nv_start_rx(dev); | |
2669 | spin_unlock_irq(&np->lock); | |
932ff279 | 2670 | netif_tx_unlock_bh(dev); |
72b31782 MS |
2671 | } else { |
2672 | nv_copy_mac_to_hw(dev); | |
2673 | } | |
2674 | return 0; | |
2675 | } | |
2676 | ||
1da177e4 LT |
2677 | /* |
2678 | * nv_set_multicast: dev->set_multicast function | |
932ff279 | 2679 | * Called with netif_tx_lock held. |
1da177e4 LT |
2680 | */ |
2681 | static void nv_set_multicast(struct net_device *dev) | |
2682 | { | |
ac9c1897 | 2683 | struct fe_priv *np = netdev_priv(dev); |
1da177e4 LT |
2684 | u8 __iomem *base = get_hwbase(dev); |
2685 | u32 addr[2]; | |
2686 | u32 mask[2]; | |
b6d0773f | 2687 | u32 pff = readl(base + NvRegPacketFilterFlags) & NVREG_PFF_PAUSE_RX; |
1da177e4 LT |
2688 | |
2689 | memset(addr, 0, sizeof(addr)); | |
2690 | memset(mask, 0, sizeof(mask)); | |
2691 | ||
2692 | if (dev->flags & IFF_PROMISC) { | |
b6d0773f | 2693 | pff |= NVREG_PFF_PROMISC; |
1da177e4 | 2694 | } else { |
b6d0773f | 2695 | pff |= NVREG_PFF_MYADDR; |
1da177e4 LT |
2696 | |
2697 | if (dev->flags & IFF_ALLMULTI || dev->mc_list) { | |
2698 | u32 alwaysOff[2]; | |
2699 | u32 alwaysOn[2]; | |
2700 | ||
2701 | alwaysOn[0] = alwaysOn[1] = alwaysOff[0] = alwaysOff[1] = 0xffffffff; | |
2702 | if (dev->flags & IFF_ALLMULTI) { | |
2703 | alwaysOn[0] = alwaysOn[1] = alwaysOff[0] = alwaysOff[1] = 0; | |
2704 | } else { | |
2705 | struct dev_mc_list *walk; | |
2706 | ||
2707 | walk = dev->mc_list; | |
2708 | while (walk != NULL) { | |
2709 | u32 a, b; | |
5bb7ea26 AV |
2710 | a = le32_to_cpu(*(__le32 *) walk->dmi_addr); |
2711 | b = le16_to_cpu(*(__le16 *) (&walk->dmi_addr[4])); | |
1da177e4 LT |
2712 | alwaysOn[0] &= a; |
2713 | alwaysOff[0] &= ~a; | |
2714 | alwaysOn[1] &= b; | |
2715 | alwaysOff[1] &= ~b; | |
2716 | walk = walk->next; | |
2717 | } | |
2718 | } | |
2719 | addr[0] = alwaysOn[0]; | |
2720 | addr[1] = alwaysOn[1]; | |
2721 | mask[0] = alwaysOn[0] | alwaysOff[0]; | |
2722 | mask[1] = alwaysOn[1] | alwaysOff[1]; | |
bb9a4fd1 AA |
2723 | } else { |
2724 | mask[0] = NVREG_MCASTMASKA_NONE; | |
2725 | mask[1] = NVREG_MCASTMASKB_NONE; | |
1da177e4 LT |
2726 | } |
2727 | } | |
2728 | addr[0] |= NVREG_MCASTADDRA_FORCE; | |
2729 | pff |= NVREG_PFF_ALWAYS; | |
2730 | spin_lock_irq(&np->lock); | |
2731 | nv_stop_rx(dev); | |
2732 | writel(addr[0], base + NvRegMulticastAddrA); | |
2733 | writel(addr[1], base + NvRegMulticastAddrB); | |
2734 | writel(mask[0], base + NvRegMulticastMaskA); | |
2735 | writel(mask[1], base + NvRegMulticastMaskB); | |
2736 | writel(pff, base + NvRegPacketFilterFlags); | |
2737 | dprintk(KERN_INFO "%s: reconfiguration for multicast lists.\n", | |
2738 | dev->name); | |
2739 | nv_start_rx(dev); | |
2740 | spin_unlock_irq(&np->lock); | |
2741 | } | |
2742 | ||
c7985051 | 2743 | static void nv_update_pause(struct net_device *dev, u32 pause_flags) |
b6d0773f AA |
2744 | { |
2745 | struct fe_priv *np = netdev_priv(dev); | |
2746 | u8 __iomem *base = get_hwbase(dev); | |
2747 | ||
2748 | np->pause_flags &= ~(NV_PAUSEFRAME_TX_ENABLE | NV_PAUSEFRAME_RX_ENABLE); | |
2749 | ||
2750 | if (np->pause_flags & NV_PAUSEFRAME_RX_CAPABLE) { | |
2751 | u32 pff = readl(base + NvRegPacketFilterFlags) & ~NVREG_PFF_PAUSE_RX; | |
2752 | if (pause_flags & NV_PAUSEFRAME_RX_ENABLE) { | |
2753 | writel(pff|NVREG_PFF_PAUSE_RX, base + NvRegPacketFilterFlags); | |
2754 | np->pause_flags |= NV_PAUSEFRAME_RX_ENABLE; | |
2755 | } else { | |
2756 | writel(pff, base + NvRegPacketFilterFlags); | |
2757 | } | |
2758 | } | |
2759 | if (np->pause_flags & NV_PAUSEFRAME_TX_CAPABLE) { | |
2760 | u32 regmisc = readl(base + NvRegMisc1) & ~NVREG_MISC1_PAUSE_TX; | |
2761 | if (pause_flags & NV_PAUSEFRAME_TX_ENABLE) { | |
5289b4c4 AA |
2762 | u32 pause_enable = NVREG_TX_PAUSEFRAME_ENABLE_V1; |
2763 | if (np->driver_data & DEV_HAS_PAUSEFRAME_TX_V2) | |
2764 | pause_enable = NVREG_TX_PAUSEFRAME_ENABLE_V2; | |
2765 | if (np->driver_data & DEV_HAS_PAUSEFRAME_TX_V3) | |
2766 | pause_enable = NVREG_TX_PAUSEFRAME_ENABLE_V3; | |
2767 | writel(pause_enable, base + NvRegTxPauseFrame); | |
b6d0773f AA |
2768 | writel(regmisc|NVREG_MISC1_PAUSE_TX, base + NvRegMisc1); |
2769 | np->pause_flags |= NV_PAUSEFRAME_TX_ENABLE; | |
2770 | } else { | |
2771 | writel(NVREG_TX_PAUSEFRAME_DISABLE, base + NvRegTxPauseFrame); | |
2772 | writel(regmisc, base + NvRegMisc1); | |
2773 | } | |
2774 | } | |
2775 | } | |
2776 | ||
4ea7f299 AA |
2777 | /** |
2778 | * nv_update_linkspeed: Setup the MAC according to the link partner | |
2779 | * @dev: Network device to be configured | |
2780 | * | |
2781 | * The function queries the PHY and checks if there is a link partner. | |
2782 | * If yes, then it sets up the MAC accordingly. Otherwise, the MAC is | |
2783 | * set to 10 MBit HD. | |
2784 | * | |
2785 | * The function returns 0 if there is no link partner and 1 if there is | |
2786 | * a good link partner. | |
2787 | */ | |
1da177e4 LT |
2788 | static int nv_update_linkspeed(struct net_device *dev) |
2789 | { | |
ac9c1897 | 2790 | struct fe_priv *np = netdev_priv(dev); |
1da177e4 | 2791 | u8 __iomem *base = get_hwbase(dev); |
eb91f61b AA |
2792 | int adv = 0; |
2793 | int lpa = 0; | |
2794 | int adv_lpa, adv_pause, lpa_pause; | |
1da177e4 LT |
2795 | int newls = np->linkspeed; |
2796 | int newdup = np->duplex; | |
2797 | int mii_status; | |
2798 | int retval = 0; | |
9744e218 | 2799 | u32 control_1000, status_1000, phyreg, pause_flags, txreg; |
b2976d23 | 2800 | u32 txrxFlags = 0; |
fd9b558c | 2801 | u32 phy_exp; |
1da177e4 LT |
2802 | |
2803 | /* BMSR_LSTATUS is latched, read it twice: | |
2804 | * we want the current value. | |
2805 | */ | |
2806 | mii_rw(dev, np->phyaddr, MII_BMSR, MII_READ); | |
2807 | mii_status = mii_rw(dev, np->phyaddr, MII_BMSR, MII_READ); | |
2808 | ||
2809 | if (!(mii_status & BMSR_LSTATUS)) { | |
2810 | dprintk(KERN_DEBUG "%s: no link detected by phy - falling back to 10HD.\n", | |
2811 | dev->name); | |
2812 | newls = NVREG_LINKSPEED_FORCE|NVREG_LINKSPEED_10; | |
2813 | newdup = 0; | |
2814 | retval = 0; | |
2815 | goto set_speed; | |
2816 | } | |
2817 | ||
2818 | if (np->autoneg == 0) { | |
2819 | dprintk(KERN_DEBUG "%s: nv_update_linkspeed: autoneg off, PHY set to 0x%04x.\n", | |
2820 | dev->name, np->fixed_mode); | |
2821 | if (np->fixed_mode & LPA_100FULL) { | |
2822 | newls = NVREG_LINKSPEED_FORCE|NVREG_LINKSPEED_100; | |
2823 | newdup = 1; | |
2824 | } else if (np->fixed_mode & LPA_100HALF) { | |
2825 | newls = NVREG_LINKSPEED_FORCE|NVREG_LINKSPEED_100; | |
2826 | newdup = 0; | |
2827 | } else if (np->fixed_mode & LPA_10FULL) { | |
2828 | newls = NVREG_LINKSPEED_FORCE|NVREG_LINKSPEED_10; | |
2829 | newdup = 1; | |
2830 | } else { | |
2831 | newls = NVREG_LINKSPEED_FORCE|NVREG_LINKSPEED_10; | |
2832 | newdup = 0; | |
2833 | } | |
2834 | retval = 1; | |
2835 | goto set_speed; | |
2836 | } | |
2837 | /* check auto negotiation is complete */ | |
2838 | if (!(mii_status & BMSR_ANEGCOMPLETE)) { | |
2839 | /* still in autonegotiation - configure nic for 10 MBit HD and wait. */ | |
2840 | newls = NVREG_LINKSPEED_FORCE|NVREG_LINKSPEED_10; | |
2841 | newdup = 0; | |
2842 | retval = 0; | |
2843 | dprintk(KERN_DEBUG "%s: autoneg not completed - falling back to 10HD.\n", dev->name); | |
2844 | goto set_speed; | |
2845 | } | |
2846 | ||
b6d0773f AA |
2847 | adv = mii_rw(dev, np->phyaddr, MII_ADVERTISE, MII_READ); |
2848 | lpa = mii_rw(dev, np->phyaddr, MII_LPA, MII_READ); | |
2849 | dprintk(KERN_DEBUG "%s: nv_update_linkspeed: PHY advertises 0x%04x, lpa 0x%04x.\n", | |
2850 | dev->name, adv, lpa); | |
2851 | ||
1da177e4 LT |
2852 | retval = 1; |
2853 | if (np->gigabit == PHY_GIGABIT) { | |
eb91f61b AA |
2854 | control_1000 = mii_rw(dev, np->phyaddr, MII_CTRL1000, MII_READ); |
2855 | status_1000 = mii_rw(dev, np->phyaddr, MII_STAT1000, MII_READ); | |
1da177e4 LT |
2856 | |
2857 | if ((control_1000 & ADVERTISE_1000FULL) && | |
2858 | (status_1000 & LPA_1000FULL)) { | |
2859 | dprintk(KERN_DEBUG "%s: nv_update_linkspeed: GBit ethernet detected.\n", | |
2860 | dev->name); | |
2861 | newls = NVREG_LINKSPEED_FORCE|NVREG_LINKSPEED_1000; | |
2862 | newdup = 1; | |
2863 | goto set_speed; | |
2864 | } | |
2865 | } | |
2866 | ||
1da177e4 | 2867 | /* FIXME: handle parallel detection properly */ |
eb91f61b AA |
2868 | adv_lpa = lpa & adv; |
2869 | if (adv_lpa & LPA_100FULL) { | |
1da177e4 LT |
2870 | newls = NVREG_LINKSPEED_FORCE|NVREG_LINKSPEED_100; |
2871 | newdup = 1; | |
eb91f61b | 2872 | } else if (adv_lpa & LPA_100HALF) { |
1da177e4 LT |
2873 | newls = NVREG_LINKSPEED_FORCE|NVREG_LINKSPEED_100; |
2874 | newdup = 0; | |
eb91f61b | 2875 | } else if (adv_lpa & LPA_10FULL) { |
1da177e4 LT |
2876 | newls = NVREG_LINKSPEED_FORCE|NVREG_LINKSPEED_10; |
2877 | newdup = 1; | |
eb91f61b | 2878 | } else if (adv_lpa & LPA_10HALF) { |
1da177e4 LT |
2879 | newls = NVREG_LINKSPEED_FORCE|NVREG_LINKSPEED_10; |
2880 | newdup = 0; | |
2881 | } else { | |
eb91f61b | 2882 | dprintk(KERN_DEBUG "%s: bad ability %04x - falling back to 10HD.\n", dev->name, adv_lpa); |
1da177e4 LT |
2883 | newls = NVREG_LINKSPEED_FORCE|NVREG_LINKSPEED_10; |
2884 | newdup = 0; | |
2885 | } | |
2886 | ||
2887 | set_speed: | |
2888 | if (np->duplex == newdup && np->linkspeed == newls) | |
2889 | return retval; | |
2890 | ||
2891 | dprintk(KERN_INFO "%s: changing link setting from %d/%d to %d/%d.\n", | |
2892 | dev->name, np->linkspeed, np->duplex, newls, newdup); | |
2893 | ||
2894 | np->duplex = newdup; | |
2895 | np->linkspeed = newls; | |
2896 | ||
b2976d23 AA |
2897 | /* The transmitter and receiver must be restarted for safe update */ |
2898 | if (readl(base + NvRegTransmitterControl) & NVREG_XMITCTL_START) { | |
2899 | txrxFlags |= NV_RESTART_TX; | |
2900 | nv_stop_tx(dev); | |
2901 | } | |
2902 | if (readl(base + NvRegReceiverControl) & NVREG_RCVCTL_START) { | |
2903 | txrxFlags |= NV_RESTART_RX; | |
2904 | nv_stop_rx(dev); | |
2905 | } | |
2906 | ||
1da177e4 LT |
2907 | if (np->gigabit == PHY_GIGABIT) { |
2908 | phyreg = readl(base + NvRegRandomSeed); | |
2909 | phyreg &= ~(0x3FF00); | |
2910 | if ((np->linkspeed & 0xFFF) == NVREG_LINKSPEED_10) | |
2911 | phyreg |= NVREG_RNDSEED_FORCE3; | |
2912 | else if ((np->linkspeed & 0xFFF) == NVREG_LINKSPEED_100) | |
2913 | phyreg |= NVREG_RNDSEED_FORCE2; | |
2914 | else if ((np->linkspeed & 0xFFF) == NVREG_LINKSPEED_1000) | |
2915 | phyreg |= NVREG_RNDSEED_FORCE; | |
2916 | writel(phyreg, base + NvRegRandomSeed); | |
2917 | } | |
2918 | ||
2919 | phyreg = readl(base + NvRegPhyInterface); | |
2920 | phyreg &= ~(PHY_HALF|PHY_100|PHY_1000); | |
2921 | if (np->duplex == 0) | |
2922 | phyreg |= PHY_HALF; | |
2923 | if ((np->linkspeed & NVREG_LINKSPEED_MASK) == NVREG_LINKSPEED_100) | |
2924 | phyreg |= PHY_100; | |
2925 | else if ((np->linkspeed & NVREG_LINKSPEED_MASK) == NVREG_LINKSPEED_1000) | |
2926 | phyreg |= PHY_1000; | |
2927 | writel(phyreg, base + NvRegPhyInterface); | |
2928 | ||
fd9b558c | 2929 | phy_exp = mii_rw(dev, np->phyaddr, MII_EXPANSION, MII_READ) & EXPANSION_NWAY; /* autoneg capable */ |
9744e218 | 2930 | if (phyreg & PHY_RGMII) { |
fd9b558c | 2931 | if ((np->linkspeed & NVREG_LINKSPEED_MASK) == NVREG_LINKSPEED_1000) { |
9744e218 | 2932 | txreg = NVREG_TX_DEFERRAL_RGMII_1000; |
fd9b558c AA |
2933 | } else { |
2934 | if (!phy_exp && !np->duplex && (np->driver_data & DEV_HAS_COLLISION_FIX)) { | |
2935 | if ((np->linkspeed & NVREG_LINKSPEED_MASK) == NVREG_LINKSPEED_10) | |
2936 | txreg = NVREG_TX_DEFERRAL_RGMII_STRETCH_10; | |
2937 | else | |
2938 | txreg = NVREG_TX_DEFERRAL_RGMII_STRETCH_100; | |
2939 | } else { | |
2940 | txreg = NVREG_TX_DEFERRAL_RGMII_10_100; | |
2941 | } | |
2942 | } | |
9744e218 | 2943 | } else { |
fd9b558c AA |
2944 | if (!phy_exp && !np->duplex && (np->driver_data & DEV_HAS_COLLISION_FIX)) |
2945 | txreg = NVREG_TX_DEFERRAL_MII_STRETCH; | |
2946 | else | |
2947 | txreg = NVREG_TX_DEFERRAL_DEFAULT; | |
9744e218 AA |
2948 | } |
2949 | writel(txreg, base + NvRegTxDeferral); | |
2950 | ||
95d161cb AA |
2951 | if (np->desc_ver == DESC_VER_1) { |
2952 | txreg = NVREG_TX_WM_DESC1_DEFAULT; | |
2953 | } else { | |
2954 | if ((np->linkspeed & NVREG_LINKSPEED_MASK) == NVREG_LINKSPEED_1000) | |
2955 | txreg = NVREG_TX_WM_DESC2_3_1000; | |
2956 | else | |
2957 | txreg = NVREG_TX_WM_DESC2_3_DEFAULT; | |
2958 | } | |
2959 | writel(txreg, base + NvRegTxWatermark); | |
2960 | ||
1da177e4 LT |
2961 | writel(NVREG_MISC1_FORCE | ( np->duplex ? 0 : NVREG_MISC1_HD), |
2962 | base + NvRegMisc1); | |
2963 | pci_push(base); | |
2964 | writel(np->linkspeed, base + NvRegLinkSpeed); | |
2965 | pci_push(base); | |
2966 | ||
b6d0773f AA |
2967 | pause_flags = 0; |
2968 | /* setup pause frame */ | |
eb91f61b | 2969 | if (np->duplex != 0) { |
b6d0773f AA |
2970 | if (np->autoneg && np->pause_flags & NV_PAUSEFRAME_AUTONEG) { |
2971 | adv_pause = adv & (ADVERTISE_PAUSE_CAP| ADVERTISE_PAUSE_ASYM); | |
2972 | lpa_pause = lpa & (LPA_PAUSE_CAP| LPA_PAUSE_ASYM); | |
2973 | ||
2974 | switch (adv_pause) { | |
f82a9352 | 2975 | case ADVERTISE_PAUSE_CAP: |
b6d0773f AA |
2976 | if (lpa_pause & LPA_PAUSE_CAP) { |
2977 | pause_flags |= NV_PAUSEFRAME_RX_ENABLE; | |
2978 | if (np->pause_flags & NV_PAUSEFRAME_TX_REQ) | |
2979 | pause_flags |= NV_PAUSEFRAME_TX_ENABLE; | |
2980 | } | |
2981 | break; | |
f82a9352 | 2982 | case ADVERTISE_PAUSE_ASYM: |
b6d0773f AA |
2983 | if (lpa_pause == (LPA_PAUSE_CAP| LPA_PAUSE_ASYM)) |
2984 | { | |
2985 | pause_flags |= NV_PAUSEFRAME_TX_ENABLE; | |
2986 | } | |
2987 | break; | |
f82a9352 | 2988 | case ADVERTISE_PAUSE_CAP| ADVERTISE_PAUSE_ASYM: |
b6d0773f AA |
2989 | if (lpa_pause & LPA_PAUSE_CAP) |
2990 | { | |
2991 | pause_flags |= NV_PAUSEFRAME_RX_ENABLE; | |
2992 | if (np->pause_flags & NV_PAUSEFRAME_TX_REQ) | |
2993 | pause_flags |= NV_PAUSEFRAME_TX_ENABLE; | |
2994 | } | |
2995 | if (lpa_pause == LPA_PAUSE_ASYM) | |
2996 | { | |
2997 | pause_flags |= NV_PAUSEFRAME_RX_ENABLE; | |
2998 | } | |
2999 | break; | |
f3b197ac | 3000 | } |
eb91f61b | 3001 | } else { |
b6d0773f | 3002 | pause_flags = np->pause_flags; |
eb91f61b AA |
3003 | } |
3004 | } | |
b6d0773f | 3005 | nv_update_pause(dev, pause_flags); |
eb91f61b | 3006 | |
b2976d23 AA |
3007 | if (txrxFlags & NV_RESTART_TX) |
3008 | nv_start_tx(dev); | |
3009 | if (txrxFlags & NV_RESTART_RX) | |
3010 | nv_start_rx(dev); | |
3011 | ||
1da177e4 LT |
3012 | return retval; |
3013 | } | |
3014 | ||
3015 | static void nv_linkchange(struct net_device *dev) | |
3016 | { | |
3017 | if (nv_update_linkspeed(dev)) { | |
4ea7f299 | 3018 | if (!netif_carrier_ok(dev)) { |
1da177e4 LT |
3019 | netif_carrier_on(dev); |
3020 | printk(KERN_INFO "%s: link up.\n", dev->name); | |
4ea7f299 | 3021 | nv_start_rx(dev); |
1da177e4 | 3022 | } |
1da177e4 LT |
3023 | } else { |
3024 | if (netif_carrier_ok(dev)) { | |
3025 | netif_carrier_off(dev); | |
3026 | printk(KERN_INFO "%s: link down.\n", dev->name); | |
3027 | nv_stop_rx(dev); | |
3028 | } | |
3029 | } | |
3030 | } | |
3031 | ||
3032 | static void nv_link_irq(struct net_device *dev) | |
3033 | { | |
3034 | u8 __iomem *base = get_hwbase(dev); | |
3035 | u32 miistat; | |
3036 | ||
3037 | miistat = readl(base + NvRegMIIStatus); | |
eb798428 | 3038 | writel(NVREG_MIISTAT_LINKCHANGE, base + NvRegMIIStatus); |
1da177e4 LT |
3039 | dprintk(KERN_INFO "%s: link change irq, status 0x%x.\n", dev->name, miistat); |
3040 | ||
3041 | if (miistat & (NVREG_MIISTAT_LINKCHANGE)) | |
3042 | nv_linkchange(dev); | |
3043 | dprintk(KERN_DEBUG "%s: link change notification done.\n", dev->name); | |
3044 | } | |
3045 | ||
7d12e780 | 3046 | static irqreturn_t nv_nic_irq(int foo, void *data) |
1da177e4 LT |
3047 | { |
3048 | struct net_device *dev = (struct net_device *) data; | |
ac9c1897 | 3049 | struct fe_priv *np = netdev_priv(dev); |
1da177e4 LT |
3050 | u8 __iomem *base = get_hwbase(dev); |
3051 | u32 events; | |
3052 | int i; | |
3053 | ||
3054 | dprintk(KERN_DEBUG "%s: nv_nic_irq\n", dev->name); | |
3055 | ||
3056 | for (i=0; ; i++) { | |
d33a73c8 AA |
3057 | if (!(np->msi_flags & NV_MSI_X_ENABLED)) { |
3058 | events = readl(base + NvRegIrqStatus) & NVREG_IRQSTAT_MASK; | |
3059 | writel(NVREG_IRQSTAT_MASK, base + NvRegIrqStatus); | |
3060 | } else { | |
3061 | events = readl(base + NvRegMSIXIrqStatus) & NVREG_IRQSTAT_MASK; | |
3062 | writel(NVREG_IRQSTAT_MASK, base + NvRegMSIXIrqStatus); | |
3063 | } | |
1da177e4 LT |
3064 | dprintk(KERN_DEBUG "%s: irq: %08x\n", dev->name, events); |
3065 | if (!(events & np->irqmask)) | |
3066 | break; | |
3067 | ||
a971c324 AA |
3068 | spin_lock(&np->lock); |
3069 | nv_tx_done(dev); | |
3070 | spin_unlock(&np->lock); | |
f3b197ac | 3071 | |
f0734ab6 AA |
3072 | #ifdef CONFIG_FORCEDETH_NAPI |
3073 | if (events & NVREG_IRQ_RX_ALL) { | |
bea3348e | 3074 | netif_rx_schedule(dev, &np->napi); |
f0734ab6 AA |
3075 | |
3076 | /* Disable furthur receive irq's */ | |
3077 | spin_lock(&np->lock); | |
3078 | np->irqmask &= ~NVREG_IRQ_RX_ALL; | |
3079 | ||
3080 | if (np->msi_flags & NV_MSI_X_ENABLED) | |
3081 | writel(NVREG_IRQ_RX_ALL, base + NvRegIrqMask); | |
3082 | else | |
3083 | writel(np->irqmask, base + NvRegIrqMask); | |
3084 | spin_unlock(&np->lock); | |
3085 | } | |
3086 | #else | |
bea3348e | 3087 | if (nv_rx_process(dev, RX_WORK_PER_LOOP)) { |
f0734ab6 AA |
3088 | if (unlikely(nv_alloc_rx(dev))) { |
3089 | spin_lock(&np->lock); | |
3090 | if (!np->in_shutdown) | |
3091 | mod_timer(&np->oom_kick, jiffies + OOM_REFILL); | |
3092 | spin_unlock(&np->lock); | |
3093 | } | |
3094 | } | |
3095 | #endif | |
3096 | if (unlikely(events & NVREG_IRQ_LINK)) { | |
1da177e4 LT |
3097 | spin_lock(&np->lock); |
3098 | nv_link_irq(dev); | |
3099 | spin_unlock(&np->lock); | |
3100 | } | |
f0734ab6 | 3101 | if (unlikely(np->need_linktimer && time_after(jiffies, np->link_timeout))) { |
1da177e4 LT |
3102 | spin_lock(&np->lock); |
3103 | nv_linkchange(dev); | |
3104 | spin_unlock(&np->lock); | |
3105 | np->link_timeout = jiffies + LINK_TIMEOUT; | |
3106 | } | |
f0734ab6 | 3107 | if (unlikely(events & (NVREG_IRQ_TX_ERR))) { |
1da177e4 LT |
3108 | dprintk(KERN_DEBUG "%s: received irq with events 0x%x. Probably TX fail.\n", |
3109 | dev->name, events); | |
3110 | } | |
f0734ab6 | 3111 | if (unlikely(events & (NVREG_IRQ_UNKNOWN))) { |
1da177e4 LT |
3112 | printk(KERN_DEBUG "%s: received irq with unknown events 0x%x. Please report\n", |
3113 | dev->name, events); | |
3114 | } | |
c5cf9101 AA |
3115 | if (unlikely(events & NVREG_IRQ_RECOVER_ERROR)) { |
3116 | spin_lock(&np->lock); | |
3117 | /* disable interrupts on the nic */ | |
3118 | if (!(np->msi_flags & NV_MSI_X_ENABLED)) | |
3119 | writel(0, base + NvRegIrqMask); | |
3120 | else | |
3121 | writel(np->irqmask, base + NvRegIrqMask); | |
3122 | pci_push(base); | |
3123 | ||
3124 | if (!np->in_shutdown) { | |
3125 | np->nic_poll_irq = np->irqmask; | |
3126 | np->recover_error = 1; | |
3127 | mod_timer(&np->nic_poll, jiffies + POLL_WAIT); | |
3128 | } | |
3129 | spin_unlock(&np->lock); | |
3130 | break; | |
3131 | } | |
f0734ab6 | 3132 | if (unlikely(i > max_interrupt_work)) { |
1da177e4 LT |
3133 | spin_lock(&np->lock); |
3134 | /* disable interrupts on the nic */ | |
d33a73c8 AA |
3135 | if (!(np->msi_flags & NV_MSI_X_ENABLED)) |
3136 | writel(0, base + NvRegIrqMask); | |
3137 | else | |
3138 | writel(np->irqmask, base + NvRegIrqMask); | |
1da177e4 LT |
3139 | pci_push(base); |
3140 | ||
d33a73c8 AA |
3141 | if (!np->in_shutdown) { |
3142 | np->nic_poll_irq = np->irqmask; | |
1da177e4 | 3143 | mod_timer(&np->nic_poll, jiffies + POLL_WAIT); |
d33a73c8 | 3144 | } |
1da177e4 | 3145 | spin_unlock(&np->lock); |
1a2b7330 | 3146 | printk(KERN_DEBUG "%s: too many iterations (%d) in nv_nic_irq.\n", dev->name, i); |
1da177e4 LT |
3147 | break; |
3148 | } | |
3149 | ||
3150 | } | |
3151 | dprintk(KERN_DEBUG "%s: nv_nic_irq completed\n", dev->name); | |
3152 | ||
3153 | return IRQ_RETVAL(i); | |
3154 | } | |
3155 | ||
f0734ab6 AA |
3156 | /** |
3157 | * All _optimized functions are used to help increase performance | |
3158 | * (reduce CPU and increase throughput). They use descripter version 3, | |
3159 | * compiler directives, and reduce memory accesses. | |
3160 | */ | |
86b22b0d AA |
3161 | static irqreturn_t nv_nic_irq_optimized(int foo, void *data) |
3162 | { | |
3163 | struct net_device *dev = (struct net_device *) data; | |
3164 | struct fe_priv *np = netdev_priv(dev); | |
3165 | u8 __iomem *base = get_hwbase(dev); | |
3166 | u32 events; | |
3167 | int i; | |
3168 | ||
3169 | dprintk(KERN_DEBUG "%s: nv_nic_irq_optimized\n", dev->name); | |
3170 | ||
3171 | for (i=0; ; i++) { | |
3172 | if (!(np->msi_flags & NV_MSI_X_ENABLED)) { | |
3173 | events = readl(base + NvRegIrqStatus) & NVREG_IRQSTAT_MASK; | |
3174 | writel(NVREG_IRQSTAT_MASK, base + NvRegIrqStatus); | |
3175 | } else { | |
3176 | events = readl(base + NvRegMSIXIrqStatus) & NVREG_IRQSTAT_MASK; | |
3177 | writel(NVREG_IRQSTAT_MASK, base + NvRegMSIXIrqStatus); | |
3178 | } | |
86b22b0d AA |
3179 | dprintk(KERN_DEBUG "%s: irq: %08x\n", dev->name, events); |
3180 | if (!(events & np->irqmask)) | |
3181 | break; | |
3182 | ||
3183 | spin_lock(&np->lock); | |
4e16ed1b | 3184 | nv_tx_done_optimized(dev, TX_WORK_PER_LOOP); |
86b22b0d AA |
3185 | spin_unlock(&np->lock); |
3186 | ||
f0734ab6 AA |
3187 | #ifdef CONFIG_FORCEDETH_NAPI |
3188 | if (events & NVREG_IRQ_RX_ALL) { | |
bea3348e | 3189 | netif_rx_schedule(dev, &np->napi); |
f0734ab6 AA |
3190 | |
3191 | /* Disable furthur receive irq's */ | |
3192 | spin_lock(&np->lock); | |
3193 | np->irqmask &= ~NVREG_IRQ_RX_ALL; | |
3194 | ||
3195 | if (np->msi_flags & NV_MSI_X_ENABLED) | |
3196 | writel(NVREG_IRQ_RX_ALL, base + NvRegIrqMask); | |
3197 | else | |
3198 | writel(np->irqmask, base + NvRegIrqMask); | |
3199 | spin_unlock(&np->lock); | |
3200 | } | |
3201 | #else | |
bea3348e | 3202 | if (nv_rx_process_optimized(dev, RX_WORK_PER_LOOP)) { |
f0734ab6 AA |
3203 | if (unlikely(nv_alloc_rx_optimized(dev))) { |
3204 | spin_lock(&np->lock); | |
3205 | if (!np->in_shutdown) | |
3206 | mod_timer(&np->oom_kick, jiffies + OOM_REFILL); | |
3207 | spin_unlock(&np->lock); | |
3208 | } | |
3209 | } | |
3210 | #endif | |
3211 | if (unlikely(events & NVREG_IRQ_LINK)) { | |
86b22b0d AA |
3212 | spin_lock(&np->lock); |
3213 | nv_link_irq(dev); | |
3214 | spin_unlock(&np->lock); | |
3215 | } | |
f0734ab6 | 3216 | if (unlikely(np->need_linktimer && time_after(jiffies, np->link_timeout))) { |
86b22b0d AA |
3217 | spin_lock(&np->lock); |
3218 | nv_linkchange(dev); | |
3219 | spin_unlock(&np->lock); | |
3220 | np->link_timeout = jiffies + LINK_TIMEOUT; | |
3221 | } | |
f0734ab6 | 3222 | if (unlikely(events & (NVREG_IRQ_TX_ERR))) { |
86b22b0d AA |
3223 | dprintk(KERN_DEBUG "%s: received irq with events 0x%x. Probably TX fail.\n", |
3224 | dev->name, events); | |
3225 | } | |
f0734ab6 | 3226 | if (unlikely(events & (NVREG_IRQ_UNKNOWN))) { |
86b22b0d AA |
3227 | printk(KERN_DEBUG "%s: received irq with unknown events 0x%x. Please report\n", |
3228 | dev->name, events); | |
3229 | } | |
3230 | if (unlikely(events & NVREG_IRQ_RECOVER_ERROR)) { | |
3231 | spin_lock(&np->lock); | |
3232 | /* disable interrupts on the nic */ | |
3233 | if (!(np->msi_flags & NV_MSI_X_ENABLED)) | |
3234 | writel(0, base + NvRegIrqMask); | |
3235 | else | |
3236 | writel(np->irqmask, base + NvRegIrqMask); | |
3237 | pci_push(base); | |
3238 | ||
3239 | if (!np->in_shutdown) { | |
3240 | np->nic_poll_irq = np->irqmask; | |
3241 | np->recover_error = 1; | |
3242 | mod_timer(&np->nic_poll, jiffies + POLL_WAIT); | |
3243 | } | |
3244 | spin_unlock(&np->lock); | |
3245 | break; | |
3246 | } | |
3247 | ||
f0734ab6 | 3248 | if (unlikely(i > max_interrupt_work)) { |
86b22b0d AA |
3249 | spin_lock(&np->lock); |
3250 | /* disable interrupts on the nic */ | |
3251 | if (!(np->msi_flags & NV_MSI_X_ENABLED)) | |
3252 | writel(0, base + NvRegIrqMask); | |
3253 | else | |
3254 | writel(np->irqmask, base + NvRegIrqMask); | |
3255 | pci_push(base); | |
3256 | ||
3257 | if (!np->in_shutdown) { | |
3258 | np->nic_poll_irq = np->irqmask; | |
3259 | mod_timer(&np->nic_poll, jiffies + POLL_WAIT); | |
3260 | } | |
86b22b0d | 3261 | spin_unlock(&np->lock); |
1a2b7330 | 3262 | printk(KERN_DEBUG "%s: too many iterations (%d) in nv_nic_irq.\n", dev->name, i); |
86b22b0d AA |
3263 | break; |
3264 | } | |
3265 | ||
3266 | } | |
3267 | dprintk(KERN_DEBUG "%s: nv_nic_irq_optimized completed\n", dev->name); | |
3268 | ||
3269 | return IRQ_RETVAL(i); | |
3270 | } | |
3271 | ||
7d12e780 | 3272 | static irqreturn_t nv_nic_irq_tx(int foo, void *data) |
d33a73c8 AA |
3273 | { |
3274 | struct net_device *dev = (struct net_device *) data; | |
3275 | struct fe_priv *np = netdev_priv(dev); | |
3276 | u8 __iomem *base = get_hwbase(dev); | |
3277 | u32 events; | |
3278 | int i; | |
0a07bc64 | 3279 | unsigned long flags; |
d33a73c8 AA |
3280 | |
3281 | dprintk(KERN_DEBUG "%s: nv_nic_irq_tx\n", dev->name); | |
3282 | ||
3283 | for (i=0; ; i++) { | |
3284 | events = readl(base + NvRegMSIXIrqStatus) & NVREG_IRQ_TX_ALL; | |
3285 | writel(NVREG_IRQ_TX_ALL, base + NvRegMSIXIrqStatus); | |
d33a73c8 AA |
3286 | dprintk(KERN_DEBUG "%s: tx irq: %08x\n", dev->name, events); |
3287 | if (!(events & np->irqmask)) | |
3288 | break; | |
3289 | ||
0a07bc64 | 3290 | spin_lock_irqsave(&np->lock, flags); |
4e16ed1b | 3291 | nv_tx_done_optimized(dev, TX_WORK_PER_LOOP); |
0a07bc64 | 3292 | spin_unlock_irqrestore(&np->lock, flags); |
f3b197ac | 3293 | |
f0734ab6 | 3294 | if (unlikely(events & (NVREG_IRQ_TX_ERR))) { |
d33a73c8 AA |
3295 | dprintk(KERN_DEBUG "%s: received irq with events 0x%x. Probably TX fail.\n", |
3296 | dev->name, events); | |
3297 | } | |
f0734ab6 | 3298 | if (unlikely(i > max_interrupt_work)) { |
0a07bc64 | 3299 | spin_lock_irqsave(&np->lock, flags); |
d33a73c8 AA |
3300 | /* disable interrupts on the nic */ |
3301 | writel(NVREG_IRQ_TX_ALL, base + NvRegIrqMask); | |
3302 | pci_push(base); | |
3303 | ||
3304 | if (!np->in_shutdown) { | |
3305 | np->nic_poll_irq |= NVREG_IRQ_TX_ALL; | |
3306 | mod_timer(&np->nic_poll, jiffies + POLL_WAIT); | |
3307 | } | |
0a07bc64 | 3308 | spin_unlock_irqrestore(&np->lock, flags); |
1a2b7330 | 3309 | printk(KERN_DEBUG "%s: too many iterations (%d) in nv_nic_irq_tx.\n", dev->name, i); |
d33a73c8 AA |
3310 | break; |
3311 | } | |
3312 | ||
3313 | } | |
3314 | dprintk(KERN_DEBUG "%s: nv_nic_irq_tx completed\n", dev->name); | |
3315 | ||
3316 | return IRQ_RETVAL(i); | |
3317 | } | |
3318 | ||
e27cdba5 | 3319 | #ifdef CONFIG_FORCEDETH_NAPI |
bea3348e | 3320 | static int nv_napi_poll(struct napi_struct *napi, int budget) |
e27cdba5 | 3321 | { |
bea3348e SH |
3322 | struct fe_priv *np = container_of(napi, struct fe_priv, napi); |
3323 | struct net_device *dev = np->dev; | |
e27cdba5 | 3324 | u8 __iomem *base = get_hwbase(dev); |
d15e9c4d | 3325 | unsigned long flags; |
bea3348e | 3326 | int pkts, retcode; |
e27cdba5 | 3327 | |
e0379a14 | 3328 | if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) { |
bea3348e | 3329 | pkts = nv_rx_process(dev, budget); |
e0379a14 AA |
3330 | retcode = nv_alloc_rx(dev); |
3331 | } else { | |
bea3348e | 3332 | pkts = nv_rx_process_optimized(dev, budget); |
e0379a14 AA |
3333 | retcode = nv_alloc_rx_optimized(dev); |
3334 | } | |
e27cdba5 | 3335 | |
e0379a14 | 3336 | if (retcode) { |
d15e9c4d | 3337 | spin_lock_irqsave(&np->lock, flags); |
e27cdba5 SH |
3338 | if (!np->in_shutdown) |
3339 | mod_timer(&np->oom_kick, jiffies + OOM_REFILL); | |
d15e9c4d | 3340 | spin_unlock_irqrestore(&np->lock, flags); |
e27cdba5 SH |
3341 | } |
3342 | ||
bea3348e | 3343 | if (pkts < budget) { |
e27cdba5 | 3344 | /* re-enable receive interrupts */ |
d15e9c4d FR |
3345 | spin_lock_irqsave(&np->lock, flags); |
3346 | ||
bea3348e SH |
3347 | __netif_rx_complete(dev, napi); |
3348 | ||
e27cdba5 SH |
3349 | np->irqmask |= NVREG_IRQ_RX_ALL; |
3350 | if (np->msi_flags & NV_MSI_X_ENABLED) | |
3351 | writel(NVREG_IRQ_RX_ALL, base + NvRegIrqMask); | |
3352 | else | |
3353 | writel(np->irqmask, base + NvRegIrqMask); | |
d15e9c4d FR |
3354 | |
3355 | spin_unlock_irqrestore(&np->lock, flags); | |
e27cdba5 | 3356 | } |
bea3348e | 3357 | return pkts; |
e27cdba5 SH |
3358 | } |
3359 | #endif | |
3360 | ||
3361 | #ifdef CONFIG_FORCEDETH_NAPI | |
7d12e780 | 3362 | static irqreturn_t nv_nic_irq_rx(int foo, void *data) |
e27cdba5 SH |
3363 | { |
3364 | struct net_device *dev = (struct net_device *) data; | |
bea3348e | 3365 | struct fe_priv *np = netdev_priv(dev); |
e27cdba5 SH |
3366 | u8 __iomem *base = get_hwbase(dev); |
3367 | u32 events; | |
3368 | ||
3369 | events = readl(base + NvRegMSIXIrqStatus) & NVREG_IRQ_RX_ALL; | |
3370 | writel(NVREG_IRQ_RX_ALL, base + NvRegMSIXIrqStatus); | |
3371 | ||
3372 | if (events) { | |
bea3348e | 3373 | netif_rx_schedule(dev, &np->napi); |
e27cdba5 SH |
3374 | /* disable receive interrupts on the nic */ |
3375 | writel(NVREG_IRQ_RX_ALL, base + NvRegIrqMask); | |
3376 | pci_push(base); | |
3377 | } | |
3378 | return IRQ_HANDLED; | |
3379 | } | |
3380 | #else | |
7d12e780 | 3381 | static irqreturn_t nv_nic_irq_rx(int foo, void *data) |
d33a73c8 AA |
3382 | { |
3383 | struct net_device *dev = (struct net_device *) data; | |
3384 | struct fe_priv *np = netdev_priv(dev); | |
3385 | u8 __iomem *base = get_hwbase(dev); | |
3386 | u32 events; | |
3387 | int i; | |
0a07bc64 | 3388 | unsigned long flags; |
d33a73c8 AA |
3389 | |
3390 | dprintk(KERN_DEBUG "%s: nv_nic_irq_rx\n", dev->name); | |
3391 | ||
3392 | for (i=0; ; i++) { | |
3393 | events = readl(base + NvRegMSIXIrqStatus) & NVREG_IRQ_RX_ALL; | |
3394 | writel(NVREG_IRQ_RX_ALL, base + NvRegMSIXIrqStatus); | |
d33a73c8 AA |
3395 | dprintk(KERN_DEBUG "%s: rx irq: %08x\n", dev->name, events); |
3396 | if (!(events & np->irqmask)) | |
3397 | break; | |
f3b197ac | 3398 | |
bea3348e | 3399 | if (nv_rx_process_optimized(dev, RX_WORK_PER_LOOP)) { |
f0734ab6 AA |
3400 | if (unlikely(nv_alloc_rx_optimized(dev))) { |
3401 | spin_lock_irqsave(&np->lock, flags); | |
3402 | if (!np->in_shutdown) | |
3403 | mod_timer(&np->oom_kick, jiffies + OOM_REFILL); | |
3404 | spin_unlock_irqrestore(&np->lock, flags); | |
3405 | } | |
d33a73c8 | 3406 | } |
f3b197ac | 3407 | |
f0734ab6 | 3408 | if (unlikely(i > max_interrupt_work)) { |
0a07bc64 | 3409 | spin_lock_irqsave(&np->lock, flags); |
d33a73c8 AA |
3410 | /* disable interrupts on the nic */ |
3411 | writel(NVREG_IRQ_RX_ALL, base + NvRegIrqMask); | |
3412 | pci_push(base); | |
3413 | ||
3414 | if (!np->in_shutdown) { | |
3415 | np->nic_poll_irq |= NVREG_IRQ_RX_ALL; | |
3416 | mod_timer(&np->nic_poll, jiffies + POLL_WAIT); | |
3417 | } | |
0a07bc64 | 3418 | spin_unlock_irqrestore(&np->lock, flags); |
1a2b7330 | 3419 | printk(KERN_DEBUG "%s: too many iterations (%d) in nv_nic_irq_rx.\n", dev->name, i); |
d33a73c8 AA |
3420 | break; |
3421 | } | |
d33a73c8 AA |
3422 | } |
3423 | dprintk(KERN_DEBUG "%s: nv_nic_irq_rx completed\n", dev->name); | |
3424 | ||
3425 | return IRQ_RETVAL(i); | |
3426 | } | |
e27cdba5 | 3427 | #endif |
d33a73c8 | 3428 | |
7d12e780 | 3429 | static irqreturn_t nv_nic_irq_other(int foo, void *data) |
d33a73c8 AA |
3430 | { |
3431 | struct net_device *dev = (struct net_device *) data; | |
3432 | struct fe_priv *np = netdev_priv(dev); | |
3433 | u8 __iomem *base = get_hwbase(dev); | |
3434 | u32 events; | |
3435 | int i; | |
0a07bc64 | 3436 | unsigned long flags; |
d33a73c8 AA |
3437 | |
3438 | dprintk(KERN_DEBUG "%s: nv_nic_irq_other\n", dev->name); | |
3439 | ||
3440 | for (i=0; ; i++) { | |
3441 | events = readl(base + NvRegMSIXIrqStatus) & NVREG_IRQ_OTHER; | |
3442 | writel(NVREG_IRQ_OTHER, base + NvRegMSIXIrqStatus); | |
d33a73c8 AA |
3443 | dprintk(KERN_DEBUG "%s: irq: %08x\n", dev->name, events); |
3444 | if (!(events & np->irqmask)) | |
3445 | break; | |
f3b197ac | 3446 | |
4e16ed1b AA |
3447 | /* check tx in case we reached max loop limit in tx isr */ |
3448 | spin_lock_irqsave(&np->lock, flags); | |
3449 | nv_tx_done_optimized(dev, TX_WORK_PER_LOOP); | |
3450 | spin_unlock_irqrestore(&np->lock, flags); | |
3451 | ||
d33a73c8 | 3452 | if (events & NVREG_IRQ_LINK) { |
0a07bc64 | 3453 | spin_lock_irqsave(&np->lock, flags); |
d33a73c8 | 3454 | nv_link_irq(dev); |
0a07bc64 | 3455 | spin_unlock_irqrestore(&np->lock, flags); |
d33a73c8 AA |
3456 | } |
3457 | if (np->need_linktimer && time_after(jiffies, np->link_timeout)) { | |
0a07bc64 | 3458 | spin_lock_irqsave(&np->lock, flags); |
d33a73c8 | 3459 | nv_linkchange(dev); |
0a07bc64 | 3460 | spin_unlock_irqrestore(&np->lock, flags); |
d33a73c8 AA |
3461 | np->link_timeout = jiffies + LINK_TIMEOUT; |
3462 | } | |
c5cf9101 AA |
3463 | if (events & NVREG_IRQ_RECOVER_ERROR) { |
3464 | spin_lock_irq(&np->lock); | |
3465 | /* disable interrupts on the nic */ | |
3466 | writel(NVREG_IRQ_OTHER, base + NvRegIrqMask); | |
3467 | pci_push(base); | |
3468 | ||
3469 | if (!np->in_shutdown) { | |
3470 | np->nic_poll_irq |= NVREG_IRQ_OTHER; | |
3471 | np->recover_error = 1; | |
3472 | mod_timer(&np->nic_poll, jiffies + POLL_WAIT); | |
3473 | } | |
3474 | spin_unlock_irq(&np->lock); | |
3475 | break; | |
3476 | } | |
d33a73c8 AA |
3477 | if (events & (NVREG_IRQ_UNKNOWN)) { |
3478 | printk(KERN_DEBUG "%s: received irq with unknown events 0x%x. Please report\n", | |
3479 | dev->name, events); | |
3480 | } | |
f0734ab6 | 3481 | if (unlikely(i > max_interrupt_work)) { |
0a07bc64 | 3482 | spin_lock_irqsave(&np->lock, flags); |
d33a73c8 AA |
3483 | /* disable interrupts on the nic */ |
3484 | writel(NVREG_IRQ_OTHER, base + NvRegIrqMask); | |
3485 | pci_push(base); | |
3486 | ||
3487 | if (!np->in_shutdown) { | |
3488 | np->nic_poll_irq |= NVREG_IRQ_OTHER; | |
3489 | mod_timer(&np->nic_poll, jiffies + POLL_WAIT); | |
3490 | } | |
0a07bc64 | 3491 | spin_unlock_irqrestore(&np->lock, flags); |
1a2b7330 | 3492 | printk(KERN_DEBUG "%s: too many iterations (%d) in nv_nic_irq_other.\n", dev->name, i); |
d33a73c8 AA |
3493 | break; |
3494 | } | |
3495 | ||
3496 | } | |
3497 | dprintk(KERN_DEBUG "%s: nv_nic_irq_other completed\n", dev->name); | |
3498 | ||
3499 | return IRQ_RETVAL(i); | |
3500 | } | |
3501 | ||
7d12e780 | 3502 | static irqreturn_t nv_nic_irq_test(int foo, void *data) |
9589c77a AA |
3503 | { |
3504 | struct net_device *dev = (struct net_device *) data; | |
3505 | struct fe_priv *np = netdev_priv(dev); | |
3506 | u8 __iomem *base = get_hwbase(dev); | |
3507 | u32 events; | |
3508 | ||
3509 | dprintk(KERN_DEBUG "%s: nv_nic_irq_test\n", dev->name); | |
3510 | ||
3511 | if (!(np->msi_flags & NV_MSI_X_ENABLED)) { | |
3512 | events = readl(base + NvRegIrqStatus) & NVREG_IRQSTAT_MASK; | |
3513 | writel(NVREG_IRQ_TIMER, base + NvRegIrqStatus); | |
3514 | } else { | |
3515 | events = readl(base + NvRegMSIXIrqStatus) & NVREG_IRQSTAT_MASK; | |
3516 | writel(NVREG_IRQ_TIMER, base + NvRegMSIXIrqStatus); | |
3517 | } | |
3518 | pci_push(base); | |
3519 | dprintk(KERN_DEBUG "%s: irq: %08x\n", dev->name, events); | |
3520 | if (!(events & NVREG_IRQ_TIMER)) | |
3521 | return IRQ_RETVAL(0); | |
3522 | ||
3523 | spin_lock(&np->lock); | |
3524 | np->intr_test = 1; | |
3525 | spin_unlock(&np->lock); | |
3526 | ||
3527 | dprintk(KERN_DEBUG "%s: nv_nic_irq_test completed\n", dev->name); | |
3528 | ||
3529 | return IRQ_RETVAL(1); | |
3530 | } | |
3531 | ||
7a1854b7 AA |
3532 | static void set_msix_vector_map(struct net_device *dev, u32 vector, u32 irqmask) |
3533 | { | |
3534 | u8 __iomem *base = get_hwbase(dev); | |
3535 | int i; | |
3536 | u32 msixmap = 0; | |
3537 | ||
3538 | /* Each interrupt bit can be mapped to a MSIX vector (4 bits). | |
3539 | * MSIXMap0 represents the first 8 interrupts and MSIXMap1 represents | |
3540 | * the remaining 8 interrupts. | |
3541 | */ | |
3542 | for (i = 0; i < 8; i++) { | |
3543 | if ((irqmask >> i) & 0x1) { | |
3544 | msixmap |= vector << (i << 2); | |
3545 | } | |
3546 | } | |
3547 | writel(readl(base + NvRegMSIXMap0) | msixmap, base + NvRegMSIXMap0); | |
3548 | ||
3549 | msixmap = 0; | |
3550 | for (i = 0; i < 8; i++) { | |
3551 | if ((irqmask >> (i + 8)) & 0x1) { | |
3552 | msixmap |= vector << (i << 2); | |
3553 | } | |
3554 | } | |
3555 | writel(readl(base + NvRegMSIXMap1) | msixmap, base + NvRegMSIXMap1); | |
3556 | } | |
3557 | ||
9589c77a | 3558 | static int nv_request_irq(struct net_device *dev, int intr_test) |
7a1854b7 AA |
3559 | { |
3560 | struct fe_priv *np = get_nvpriv(dev); | |
3561 | u8 __iomem *base = get_hwbase(dev); | |
3562 | int ret = 1; | |
3563 | int i; | |
86b22b0d AA |
3564 | irqreturn_t (*handler)(int foo, void *data); |
3565 | ||
3566 | if (intr_test) { | |
3567 | handler = nv_nic_irq_test; | |
3568 | } else { | |
3569 | if (np->desc_ver == DESC_VER_3) | |
3570 | handler = nv_nic_irq_optimized; | |
3571 | else | |
3572 | handler = nv_nic_irq; | |
3573 | } | |
7a1854b7 AA |
3574 | |
3575 | if (np->msi_flags & NV_MSI_X_CAPABLE) { | |
3576 | for (i = 0; i < (np->msi_flags & NV_MSI_X_VECTORS_MASK); i++) { | |
3577 | np->msi_x_entry[i].entry = i; | |
3578 | } | |
3579 | if ((ret = pci_enable_msix(np->pci_dev, np->msi_x_entry, (np->msi_flags & NV_MSI_X_VECTORS_MASK))) == 0) { | |
3580 | np->msi_flags |= NV_MSI_X_ENABLED; | |
9589c77a | 3581 | if (optimization_mode == NV_OPTIMIZATION_MODE_THROUGHPUT && !intr_test) { |
7a1854b7 | 3582 | /* Request irq for rx handling */ |
1fb9df5d | 3583 | if (request_irq(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector, &nv_nic_irq_rx, IRQF_SHARED, dev->name, dev) != 0) { |
7a1854b7 AA |
3584 | printk(KERN_INFO "forcedeth: request_irq failed for rx %d\n", ret); |
3585 | pci_disable_msix(np->pci_dev); | |
3586 | np->msi_flags &= ~NV_MSI_X_ENABLED; | |
3587 | goto out_err; | |
3588 | } | |
3589 | /* Request irq for tx handling */ | |
1fb9df5d | 3590 | if (request_irq(np->msi_x_entry[NV_MSI_X_VECTOR_TX].vector, &nv_nic_irq_tx, IRQF_SHARED, dev->name, dev) != 0) { |
7a1854b7 AA |
3591 | printk(KERN_INFO "forcedeth: request_irq failed for tx %d\n", ret); |
3592 | pci_disable_msix(np->pci_dev); | |
3593 | np->msi_flags &= ~NV_MSI_X_ENABLED; | |
3594 | goto out_free_rx; | |
3595 | } | |
3596 | /* Request irq for link and timer handling */ | |
1fb9df5d | 3597 | if (request_irq(np->msi_x_entry[NV_MSI_X_VECTOR_OTHER].vector, &nv_nic_irq_other, IRQF_SHARED, dev->name, dev) != 0) { |
7a1854b7 AA |
3598 | printk(KERN_INFO "forcedeth: request_irq failed for link %d\n", ret); |
3599 | pci_disable_msix(np->pci_dev); | |
3600 | np->msi_flags &= ~NV_MSI_X_ENABLED; | |
3601 | goto out_free_tx; | |
3602 | } | |
3603 | /* map interrupts to their respective vector */ | |
3604 | writel(0, base + NvRegMSIXMap0); | |
3605 | writel(0, base + NvRegMSIXMap1); | |
3606 | set_msix_vector_map(dev, NV_MSI_X_VECTOR_RX, NVREG_IRQ_RX_ALL); | |
3607 | set_msix_vector_map(dev, NV_MSI_X_VECTOR_TX, NVREG_IRQ_TX_ALL); | |
3608 | set_msix_vector_map(dev, NV_MSI_X_VECTOR_OTHER, NVREG_IRQ_OTHER); | |
3609 | } else { | |
3610 | /* Request irq for all interrupts */ | |
86b22b0d | 3611 | if (request_irq(np->msi_x_entry[NV_MSI_X_VECTOR_ALL].vector, handler, IRQF_SHARED, dev->name, dev) != 0) { |
7a1854b7 AA |
3612 | printk(KERN_INFO "forcedeth: request_irq failed %d\n", ret); |
3613 | pci_disable_msix(np->pci_dev); | |
3614 | np->msi_flags &= ~NV_MSI_X_ENABLED; | |
3615 | goto out_err; | |
3616 | } | |
3617 | ||
3618 | /* map interrupts to vector 0 */ | |
3619 | writel(0, base + NvRegMSIXMap0); | |
3620 | writel(0, base + NvRegMSIXMap1); | |
3621 | } | |
3622 | } | |
3623 | } | |
3624 | if (ret != 0 && np->msi_flags & NV_MSI_CAPABLE) { | |
3625 | if ((ret = pci_enable_msi(np->pci_dev)) == 0) { | |
3626 | np->msi_flags |= NV_MSI_ENABLED; | |
a7475906 | 3627 | dev->irq = np->pci_dev->irq; |
86b22b0d | 3628 | if (request_irq(np->pci_dev->irq, handler, IRQF_SHARED, dev->name, dev) != 0) { |
7a1854b7 AA |
3629 | printk(KERN_INFO "forcedeth: request_irq failed %d\n", ret); |
3630 | pci_disable_msi(np->pci_dev); | |
3631 | np->msi_flags &= ~NV_MSI_ENABLED; | |
a7475906 | 3632 | dev->irq = np->pci_dev->irq; |
7a1854b7 AA |
3633 | goto out_err; |
3634 | } | |
3635 | ||
3636 | /* map interrupts to vector 0 */ | |
3637 | writel(0, base + NvRegMSIMap0); | |
3638 | writel(0, base + NvRegMSIMap1); | |
3639 | /* enable msi vector 0 */ | |
3640 | writel(NVREG_MSI_VECTOR_0_ENABLED, base + NvRegMSIIrqMask); | |
3641 | } | |
3642 | } | |
3643 | if (ret != 0) { | |
86b22b0d | 3644 | if (request_irq(np->pci_dev->irq, handler, IRQF_SHARED, dev->name, dev) != 0) |
7a1854b7 | 3645 | goto out_err; |
9589c77a | 3646 | |
7a1854b7 AA |
3647 | } |
3648 | ||
3649 | return 0; | |
3650 | out_free_tx: | |
3651 | free_irq(np->msi_x_entry[NV_MSI_X_VECTOR_TX].vector, dev); | |
3652 | out_free_rx: | |
3653 | free_irq(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector, dev); | |
3654 | out_err: | |
3655 | return 1; | |
3656 | } | |
3657 | ||
3658 | static void nv_free_irq(struct net_device *dev) | |
3659 | { | |
3660 | struct fe_priv *np = get_nvpriv(dev); | |
3661 | int i; | |
3662 | ||
3663 | if (np->msi_flags & NV_MSI_X_ENABLED) { | |
3664 | for (i = 0; i < (np->msi_flags & NV_MSI_X_VECTORS_MASK); i++) { | |
3665 | free_irq(np->msi_x_entry[i].vector, dev); | |
3666 | } | |
3667 | pci_disable_msix(np->pci_dev); | |
3668 | np->msi_flags &= ~NV_MSI_X_ENABLED; | |
3669 | } else { | |
3670 | free_irq(np->pci_dev->irq, dev); | |
3671 | if (np->msi_flags & NV_MSI_ENABLED) { | |
3672 | pci_disable_msi(np->pci_dev); | |
3673 | np->msi_flags &= ~NV_MSI_ENABLED; | |
3674 | } | |
3675 | } | |
3676 | } | |
3677 | ||
1da177e4 LT |
3678 | static void nv_do_nic_poll(unsigned long data) |
3679 | { | |
3680 | struct net_device *dev = (struct net_device *) data; | |
ac9c1897 | 3681 | struct fe_priv *np = netdev_priv(dev); |
1da177e4 | 3682 | u8 __iomem *base = get_hwbase(dev); |
d33a73c8 | 3683 | u32 mask = 0; |
1da177e4 | 3684 | |
1da177e4 | 3685 | /* |
d33a73c8 | 3686 | * First disable irq(s) and then |
1da177e4 LT |
3687 | * reenable interrupts on the nic, we have to do this before calling |
3688 | * nv_nic_irq because that may decide to do otherwise | |
3689 | */ | |
d33a73c8 | 3690 | |
84b3932b AA |
3691 | if (!using_multi_irqs(dev)) { |
3692 | if (np->msi_flags & NV_MSI_X_ENABLED) | |
8688cfce | 3693 | disable_irq_lockdep(np->msi_x_entry[NV_MSI_X_VECTOR_ALL].vector); |
84b3932b | 3694 | else |
a7475906 | 3695 | disable_irq_lockdep(np->pci_dev->irq); |
d33a73c8 AA |
3696 | mask = np->irqmask; |
3697 | } else { | |
3698 | if (np->nic_poll_irq & NVREG_IRQ_RX_ALL) { | |
8688cfce | 3699 | disable_irq_lockdep(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector); |
d33a73c8 AA |
3700 | mask |= NVREG_IRQ_RX_ALL; |
3701 | } | |
3702 | if (np->nic_poll_irq & NVREG_IRQ_TX_ALL) { | |
8688cfce | 3703 | disable_irq_lockdep(np->msi_x_entry[NV_MSI_X_VECTOR_TX].vector); |
d33a73c8 AA |
3704 | mask |= NVREG_IRQ_TX_ALL; |
3705 | } | |
3706 | if (np->nic_poll_irq & NVREG_IRQ_OTHER) { | |
8688cfce | 3707 | disable_irq_lockdep(np->msi_x_entry[NV_MSI_X_VECTOR_OTHER].vector); |
d33a73c8 AA |
3708 | mask |= NVREG_IRQ_OTHER; |
3709 | } | |
3710 | } | |
3711 | np->nic_poll_irq = 0; | |
3712 | ||
a7475906 MS |
3713 | /* disable_irq() contains synchronize_irq, thus no irq handler can run now */ |
3714 | ||
c5cf9101 AA |
3715 | if (np->recover_error) { |
3716 | np->recover_error = 0; | |
3717 | printk(KERN_INFO "forcedeth: MAC in recoverable error state\n"); | |
3718 | if (netif_running(dev)) { | |
3719 | netif_tx_lock_bh(dev); | |
3720 | spin_lock(&np->lock); | |
3721 | /* stop engines */ | |
3722 | nv_stop_rx(dev); | |
3723 | nv_stop_tx(dev); | |
3724 | nv_txrx_reset(dev); | |
3725 | /* drain rx queue */ | |
3726 | nv_drain_rx(dev); | |
3727 | nv_drain_tx(dev); | |
3728 | /* reinit driver view of the rx queue */ | |
3729 | set_bufsize(dev); | |
3730 | if (nv_init_ring(dev)) { | |
3731 | if (!np->in_shutdown) | |
3732 | mod_timer(&np->oom_kick, jiffies + OOM_REFILL); | |
3733 | } | |
3734 | /* reinit nic view of the rx queue */ | |
3735 | writel(np->rx_buf_sz, base + NvRegOffloadConfig); | |
3736 | setup_hw_rings(dev, NV_SETUP_RX_RING | NV_SETUP_TX_RING); | |
3737 | writel( ((np->rx_ring_size-1) << NVREG_RINGSZ_RXSHIFT) + ((np->tx_ring_size-1) << NVREG_RINGSZ_TXSHIFT), | |
3738 | base + NvRegRingSizes); | |
3739 | pci_push(base); | |
3740 | writel(NVREG_TXRXCTL_KICK|np->txrxctl_bits, get_hwbase(dev) + NvRegTxRxControl); | |
3741 | pci_push(base); | |
3742 | ||
3743 | /* restart rx engine */ | |
3744 | nv_start_rx(dev); | |
3745 | nv_start_tx(dev); | |
3746 | spin_unlock(&np->lock); | |
3747 | netif_tx_unlock_bh(dev); | |
3748 | } | |
3749 | } | |
3750 | ||
f3b197ac | 3751 | |
d33a73c8 | 3752 | writel(mask, base + NvRegIrqMask); |
1da177e4 | 3753 | pci_push(base); |
d33a73c8 | 3754 | |
84b3932b | 3755 | if (!using_multi_irqs(dev)) { |
fcc5f266 AA |
3756 | if (np->desc_ver == DESC_VER_3) |
3757 | nv_nic_irq_optimized(0, dev); | |
3758 | else | |
3759 | nv_nic_irq(0, dev); | |
84b3932b | 3760 | if (np->msi_flags & NV_MSI_X_ENABLED) |
8688cfce | 3761 | enable_irq_lockdep(np->msi_x_entry[NV_MSI_X_VECTOR_ALL].vector); |
84b3932b | 3762 | else |
a7475906 | 3763 | enable_irq_lockdep(np->pci_dev->irq); |
d33a73c8 AA |
3764 | } else { |
3765 | if (np->nic_poll_irq & NVREG_IRQ_RX_ALL) { | |
7d12e780 | 3766 | nv_nic_irq_rx(0, dev); |
8688cfce | 3767 | enable_irq_lockdep(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector); |
d33a73c8 AA |
3768 | } |
3769 | if (np->nic_poll_irq & NVREG_IRQ_TX_ALL) { | |
7d12e780 | 3770 | nv_nic_irq_tx(0, dev); |
8688cfce | 3771 | enable_irq_lockdep(np->msi_x_entry[NV_MSI_X_VECTOR_TX].vector); |
d33a73c8 AA |
3772 | } |
3773 | if (np->nic_poll_irq & NVREG_IRQ_OTHER) { | |
7d12e780 | 3774 | nv_nic_irq_other(0, dev); |
8688cfce | 3775 | enable_irq_lockdep(np->msi_x_entry[NV_MSI_X_VECTOR_OTHER].vector); |
d33a73c8 AA |
3776 | } |
3777 | } | |
1da177e4 LT |
3778 | } |
3779 | ||
2918c35d MS |
3780 | #ifdef CONFIG_NET_POLL_CONTROLLER |
3781 | static void nv_poll_controller(struct net_device *dev) | |
3782 | { | |
3783 | nv_do_nic_poll((unsigned long) dev); | |
3784 | } | |
3785 | #endif | |
3786 | ||
52da3578 AA |
3787 | static void nv_do_stats_poll(unsigned long data) |
3788 | { | |
3789 | struct net_device *dev = (struct net_device *) data; | |
3790 | struct fe_priv *np = netdev_priv(dev); | |
52da3578 | 3791 | |
57fff698 | 3792 | nv_get_hw_stats(dev); |
52da3578 AA |
3793 | |
3794 | if (!np->in_shutdown) | |
3795 | mod_timer(&np->stats_poll, jiffies + STATS_INTERVAL); | |
3796 | } | |
3797 | ||
1da177e4 LT |
3798 | static void nv_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info) |
3799 | { | |
ac9c1897 | 3800 | struct fe_priv *np = netdev_priv(dev); |
3f88ce49 | 3801 | strcpy(info->driver, DRV_NAME); |
1da177e4 LT |
3802 | strcpy(info->version, FORCEDETH_VERSION); |
3803 | strcpy(info->bus_info, pci_name(np->pci_dev)); | |
3804 | } | |
3805 | ||
3806 | static void nv_get_wol(struct net_device *dev, struct ethtool_wolinfo *wolinfo) | |
3807 | { | |
ac9c1897 | 3808 | struct fe_priv *np = netdev_priv(dev); |
1da177e4 LT |
3809 | wolinfo->supported = WAKE_MAGIC; |
3810 | ||
3811 | spin_lock_irq(&np->lock); | |
3812 | if (np->wolenabled) | |
3813 | wolinfo->wolopts = WAKE_MAGIC; | |
3814 | spin_unlock_irq(&np->lock); | |
3815 | } | |
3816 | ||
3817 | static int nv_set_wol(struct net_device *dev, struct ethtool_wolinfo *wolinfo) | |
3818 | { | |
ac9c1897 | 3819 | struct fe_priv *np = netdev_priv(dev); |
1da177e4 | 3820 | u8 __iomem *base = get_hwbase(dev); |
c42d9df9 | 3821 | u32 flags = 0; |
1da177e4 | 3822 | |
1da177e4 | 3823 | if (wolinfo->wolopts == 0) { |
1da177e4 | 3824 | np->wolenabled = 0; |
c42d9df9 | 3825 | } else if (wolinfo->wolopts & WAKE_MAGIC) { |
1da177e4 | 3826 | np->wolenabled = 1; |
c42d9df9 AA |
3827 | flags = NVREG_WAKEUPFLAGS_ENABLE; |
3828 | } | |
3829 | if (netif_running(dev)) { | |
3830 | spin_lock_irq(&np->lock); | |
3831 | writel(flags, base + NvRegWakeUpFlags); | |
3832 | spin_unlock_irq(&np->lock); | |
1da177e4 | 3833 | } |
1da177e4 LT |
3834 | return 0; |
3835 | } | |
3836 | ||
3837 | static int nv_get_settings(struct net_device *dev, struct ethtool_cmd *ecmd) | |
3838 | { | |
3839 | struct fe_priv *np = netdev_priv(dev); | |
3840 | int adv; | |
3841 | ||
3842 | spin_lock_irq(&np->lock); | |
3843 | ecmd->port = PORT_MII; | |
3844 | if (!netif_running(dev)) { | |
3845 | /* We do not track link speed / duplex setting if the | |
3846 | * interface is disabled. Force a link check */ | |
f9430a01 AA |
3847 | if (nv_update_linkspeed(dev)) { |
3848 | if (!netif_carrier_ok(dev)) | |
3849 | netif_carrier_on(dev); | |
3850 | } else { | |
3851 | if (netif_carrier_ok(dev)) | |
3852 | netif_carrier_off(dev); | |
3853 | } | |
1da177e4 | 3854 | } |
f9430a01 AA |
3855 | |
3856 | if (netif_carrier_ok(dev)) { | |
3857 | switch(np->linkspeed & (NVREG_LINKSPEED_MASK)) { | |
1da177e4 LT |
3858 | case NVREG_LINKSPEED_10: |
3859 | ecmd->speed = SPEED_10; | |
3860 | break; | |
3861 | case NVREG_LINKSPEED_100: | |
3862 | ecmd->speed = SPEED_100; | |
3863 | break; | |
3864 | case NVREG_LINKSPEED_1000: | |
3865 | ecmd->speed = SPEED_1000; | |
3866 | break; | |
f9430a01 AA |
3867 | } |
3868 | ecmd->duplex = DUPLEX_HALF; | |
3869 | if (np->duplex) | |
3870 | ecmd->duplex = DUPLEX_FULL; | |
3871 | } else { | |
3872 | ecmd->speed = -1; | |
3873 | ecmd->duplex = -1; | |
1da177e4 | 3874 | } |
1da177e4 LT |
3875 | |
3876 | ecmd->autoneg = np->autoneg; | |
3877 | ||
3878 | ecmd->advertising = ADVERTISED_MII; | |
3879 | if (np->autoneg) { | |
3880 | ecmd->advertising |= ADVERTISED_Autoneg; | |
3881 | adv = mii_rw(dev, np->phyaddr, MII_ADVERTISE, MII_READ); | |
f9430a01 AA |
3882 | if (adv & ADVERTISE_10HALF) |
3883 | ecmd->advertising |= ADVERTISED_10baseT_Half; | |
3884 | if (adv & ADVERTISE_10FULL) | |
3885 | ecmd->advertising |= ADVERTISED_10baseT_Full; | |
3886 | if (adv & ADVERTISE_100HALF) | |
3887 | ecmd->advertising |= ADVERTISED_100baseT_Half; | |
3888 | if (adv & ADVERTISE_100FULL) | |
3889 | ecmd->advertising |= ADVERTISED_100baseT_Full; | |
3890 | if (np->gigabit == PHY_GIGABIT) { | |
3891 | adv = mii_rw(dev, np->phyaddr, MII_CTRL1000, MII_READ); | |
3892 | if (adv & ADVERTISE_1000FULL) | |
3893 | ecmd->advertising |= ADVERTISED_1000baseT_Full; | |
3894 | } | |
1da177e4 | 3895 | } |
1da177e4 LT |
3896 | ecmd->supported = (SUPPORTED_Autoneg | |
3897 | SUPPORTED_10baseT_Half | SUPPORTED_10baseT_Full | | |
3898 | SUPPORTED_100baseT_Half | SUPPORTED_100baseT_Full | | |
3899 | SUPPORTED_MII); | |
3900 | if (np->gigabit == PHY_GIGABIT) | |
3901 | ecmd->supported |= SUPPORTED_1000baseT_Full; | |
3902 | ||
3903 | ecmd->phy_address = np->phyaddr; | |
3904 | ecmd->transceiver = XCVR_EXTERNAL; | |
3905 | ||
3906 | /* ignore maxtxpkt, maxrxpkt for now */ | |
3907 | spin_unlock_irq(&np->lock); | |
3908 | return 0; | |
3909 | } | |
3910 | ||
3911 | static int nv_set_settings(struct net_device *dev, struct ethtool_cmd *ecmd) | |
3912 | { | |
3913 | struct fe_priv *np = netdev_priv(dev); | |
3914 | ||
3915 | if (ecmd->port != PORT_MII) | |
3916 | return -EINVAL; | |
3917 | if (ecmd->transceiver != XCVR_EXTERNAL) | |
3918 | return -EINVAL; | |
3919 | if (ecmd->phy_address != np->phyaddr) { | |
3920 | /* TODO: support switching between multiple phys. Should be | |
3921 | * trivial, but not enabled due to lack of test hardware. */ | |
3922 | return -EINVAL; | |
3923 | } | |
3924 | if (ecmd->autoneg == AUTONEG_ENABLE) { | |
3925 | u32 mask; | |
3926 | ||
3927 | mask = ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full | | |
3928 | ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full; | |
3929 | if (np->gigabit == PHY_GIGABIT) | |
3930 | mask |= ADVERTISED_1000baseT_Full; | |
3931 | ||
3932 | if ((ecmd->advertising & mask) == 0) | |
3933 | return -EINVAL; | |
3934 | ||
3935 | } else if (ecmd->autoneg == AUTONEG_DISABLE) { | |
3936 | /* Note: autonegotiation disable, speed 1000 intentionally | |
3937 | * forbidden - noone should need that. */ | |
3938 | ||
3939 | if (ecmd->speed != SPEED_10 && ecmd->speed != SPEED_100) | |
3940 | return -EINVAL; | |
3941 | if (ecmd->duplex != DUPLEX_HALF && ecmd->duplex != DUPLEX_FULL) | |
3942 | return -EINVAL; | |
3943 | } else { | |
3944 | return -EINVAL; | |
3945 | } | |
3946 | ||
f9430a01 AA |
3947 | netif_carrier_off(dev); |
3948 | if (netif_running(dev)) { | |
3949 | nv_disable_irq(dev); | |
58dfd9c1 | 3950 | netif_tx_lock_bh(dev); |
f9430a01 AA |
3951 | spin_lock(&np->lock); |
3952 | /* stop engines */ | |
3953 | nv_stop_rx(dev); | |
3954 | nv_stop_tx(dev); | |
3955 | spin_unlock(&np->lock); | |
58dfd9c1 | 3956 | netif_tx_unlock_bh(dev); |
f9430a01 AA |
3957 | } |
3958 | ||
1da177e4 LT |
3959 | if (ecmd->autoneg == AUTONEG_ENABLE) { |
3960 | int adv, bmcr; | |
3961 | ||
3962 | np->autoneg = 1; | |
3963 | ||
3964 | /* advertise only what has been requested */ | |
3965 | adv = mii_rw(dev, np->phyaddr, MII_ADVERTISE, MII_READ); | |
eb91f61b | 3966 | adv &= ~(ADVERTISE_ALL | ADVERTISE_100BASE4 | ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM); |
1da177e4 LT |
3967 | if (ecmd->advertising & ADVERTISED_10baseT_Half) |
3968 | adv |= ADVERTISE_10HALF; | |
3969 | if (ecmd->advertising & ADVERTISED_10baseT_Full) | |
b6d0773f | 3970 | adv |= ADVERTISE_10FULL; |
1da177e4 LT |
3971 | if (ecmd->advertising & ADVERTISED_100baseT_Half) |
3972 | adv |= ADVERTISE_100HALF; | |
3973 | if (ecmd->advertising & ADVERTISED_100baseT_Full) | |
b6d0773f AA |
3974 | adv |= ADVERTISE_100FULL; |
3975 | if (np->pause_flags & NV_PAUSEFRAME_RX_REQ) /* for rx we set both advertisments but disable tx pause */ | |
3976 | adv |= ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM; | |
3977 | if (np->pause_flags & NV_PAUSEFRAME_TX_REQ) | |
3978 | adv |= ADVERTISE_PAUSE_ASYM; | |
1da177e4 LT |
3979 | mii_rw(dev, np->phyaddr, MII_ADVERTISE, adv); |
3980 | ||
3981 | if (np->gigabit == PHY_GIGABIT) { | |
eb91f61b | 3982 | adv = mii_rw(dev, np->phyaddr, MII_CTRL1000, MII_READ); |
1da177e4 LT |
3983 | adv &= ~ADVERTISE_1000FULL; |
3984 | if (ecmd->advertising & ADVERTISED_1000baseT_Full) | |
3985 | adv |= ADVERTISE_1000FULL; | |
eb91f61b | 3986 | mii_rw(dev, np->phyaddr, MII_CTRL1000, adv); |
1da177e4 LT |
3987 | } |
3988 | ||
f9430a01 AA |
3989 | if (netif_running(dev)) |
3990 | printk(KERN_INFO "%s: link down.\n", dev->name); | |
1da177e4 | 3991 | bmcr = mii_rw(dev, np->phyaddr, MII_BMCR, MII_READ); |
edf7e5ec AA |
3992 | if (np->phy_model == PHY_MODEL_MARVELL_E3016) { |
3993 | bmcr |= BMCR_ANENABLE; | |
3994 | /* reset the phy in order for settings to stick, | |
3995 | * and cause autoneg to start */ | |
3996 | if (phy_reset(dev, bmcr)) { | |
3997 | printk(KERN_INFO "%s: phy reset failed\n", dev->name); | |
3998 | return -EINVAL; | |
3999 | } | |
4000 | } else { | |
4001 | bmcr |= (BMCR_ANENABLE | BMCR_ANRESTART); | |
4002 | mii_rw(dev, np->phyaddr, MII_BMCR, bmcr); | |
4003 | } | |
1da177e4 LT |
4004 | } else { |
4005 | int adv, bmcr; | |
4006 | ||
4007 | np->autoneg = 0; | |
4008 | ||
4009 | adv = mii_rw(dev, np->phyaddr, MII_ADVERTISE, MII_READ); | |
eb91f61b | 4010 | adv &= ~(ADVERTISE_ALL | ADVERTISE_100BASE4 | ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM); |
1da177e4 LT |
4011 | if (ecmd->speed == SPEED_10 && ecmd->duplex == DUPLEX_HALF) |
4012 | adv |= ADVERTISE_10HALF; | |
4013 | if (ecmd->speed == SPEED_10 && ecmd->duplex == DUPLEX_FULL) | |
b6d0773f | 4014 | adv |= ADVERTISE_10FULL; |
1da177e4 LT |
4015 | if (ecmd->speed == SPEED_100 && ecmd->duplex == DUPLEX_HALF) |
4016 | adv |= ADVERTISE_100HALF; | |
4017 | if (ecmd->speed == SPEED_100 && ecmd->duplex == DUPLEX_FULL) | |
b6d0773f AA |
4018 | adv |= ADVERTISE_100FULL; |
4019 | np->pause_flags &= ~(NV_PAUSEFRAME_AUTONEG|NV_PAUSEFRAME_RX_ENABLE|NV_PAUSEFRAME_TX_ENABLE); | |
4020 | if (np->pause_flags & NV_PAUSEFRAME_RX_REQ) {/* for rx we set both advertisments but disable tx pause */ | |
4021 | adv |= ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM; | |
4022 | np->pause_flags |= NV_PAUSEFRAME_RX_ENABLE; | |
4023 | } | |
4024 | if (np->pause_flags & NV_PAUSEFRAME_TX_REQ) { | |
4025 | adv |= ADVERTISE_PAUSE_ASYM; | |
4026 | np->pause_flags |= NV_PAUSEFRAME_TX_ENABLE; | |
4027 | } | |
1da177e4 LT |
4028 | mii_rw(dev, np->phyaddr, MII_ADVERTISE, adv); |
4029 | np->fixed_mode = adv; | |
4030 | ||
4031 | if (np->gigabit == PHY_GIGABIT) { | |
eb91f61b | 4032 | adv = mii_rw(dev, np->phyaddr, MII_CTRL1000, MII_READ); |
1da177e4 | 4033 | adv &= ~ADVERTISE_1000FULL; |
eb91f61b | 4034 | mii_rw(dev, np->phyaddr, MII_CTRL1000, adv); |
1da177e4 LT |
4035 | } |
4036 | ||
4037 | bmcr = mii_rw(dev, np->phyaddr, MII_BMCR, MII_READ); | |
f9430a01 AA |
4038 | bmcr &= ~(BMCR_ANENABLE|BMCR_SPEED100|BMCR_SPEED1000|BMCR_FULLDPLX); |
4039 | if (np->fixed_mode & (ADVERTISE_10FULL|ADVERTISE_100FULL)) | |
1da177e4 | 4040 | bmcr |= BMCR_FULLDPLX; |
f9430a01 | 4041 | if (np->fixed_mode & (ADVERTISE_100HALF|ADVERTISE_100FULL)) |
1da177e4 | 4042 | bmcr |= BMCR_SPEED100; |
f9430a01 | 4043 | if (np->phy_oui == PHY_OUI_MARVELL) { |
edf7e5ec AA |
4044 | /* reset the phy in order for forced mode settings to stick */ |
4045 | if (phy_reset(dev, bmcr)) { | |
f9430a01 AA |
4046 | printk(KERN_INFO "%s: phy reset failed\n", dev->name); |
4047 | return -EINVAL; | |
4048 | } | |
edf7e5ec AA |
4049 | } else { |
4050 | mii_rw(dev, np->phyaddr, MII_BMCR, bmcr); | |
4051 | if (netif_running(dev)) { | |
4052 | /* Wait a bit and then reconfigure the nic. */ | |
4053 | udelay(10); | |
4054 | nv_linkchange(dev); | |
4055 | } | |
1da177e4 LT |
4056 | } |
4057 | } | |
f9430a01 AA |
4058 | |
4059 | if (netif_running(dev)) { | |
4060 | nv_start_rx(dev); | |
4061 | nv_start_tx(dev); | |
4062 | nv_enable_irq(dev); | |
4063 | } | |
1da177e4 LT |
4064 | |
4065 | return 0; | |
4066 | } | |
4067 | ||
dc8216c1 | 4068 | #define FORCEDETH_REGS_VER 1 |
dc8216c1 MS |
4069 | |
4070 | static int nv_get_regs_len(struct net_device *dev) | |
4071 | { | |
86a0f043 AA |
4072 | struct fe_priv *np = netdev_priv(dev); |
4073 | return np->register_size; | |
dc8216c1 MS |
4074 | } |
4075 | ||
4076 | static void nv_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *buf) | |
4077 | { | |
ac9c1897 | 4078 | struct fe_priv *np = netdev_priv(dev); |
dc8216c1 MS |
4079 | u8 __iomem *base = get_hwbase(dev); |
4080 | u32 *rbuf = buf; | |
4081 | int i; | |
4082 | ||
4083 | regs->version = FORCEDETH_REGS_VER; | |
4084 | spin_lock_irq(&np->lock); | |
86a0f043 | 4085 | for (i = 0;i <= np->register_size/sizeof(u32); i++) |
dc8216c1 MS |
4086 | rbuf[i] = readl(base + i*sizeof(u32)); |
4087 | spin_unlock_irq(&np->lock); | |
4088 | } | |
4089 | ||
4090 | static int nv_nway_reset(struct net_device *dev) | |
4091 | { | |
ac9c1897 | 4092 | struct fe_priv *np = netdev_priv(dev); |
dc8216c1 MS |
4093 | int ret; |
4094 | ||
dc8216c1 MS |
4095 | if (np->autoneg) { |
4096 | int bmcr; | |
4097 | ||
f9430a01 AA |
4098 | netif_carrier_off(dev); |
4099 | if (netif_running(dev)) { | |
4100 | nv_disable_irq(dev); | |
58dfd9c1 | 4101 | netif_tx_lock_bh(dev); |
f9430a01 AA |
4102 | spin_lock(&np->lock); |
4103 | /* stop engines */ | |
4104 | nv_stop_rx(dev); | |
4105 | nv_stop_tx(dev); | |
4106 | spin_unlock(&np->lock); | |
58dfd9c1 | 4107 | netif_tx_unlock_bh(dev); |
f9430a01 AA |
4108 | printk(KERN_INFO "%s: link down.\n", dev->name); |
4109 | } | |
4110 | ||
dc8216c1 | 4111 | bmcr = mii_rw(dev, np->phyaddr, MII_BMCR, MII_READ); |
edf7e5ec AA |
4112 | if (np->phy_model == PHY_MODEL_MARVELL_E3016) { |
4113 | bmcr |= BMCR_ANENABLE; | |
4114 | /* reset the phy in order for settings to stick*/ | |
4115 | if (phy_reset(dev, bmcr)) { | |
4116 | printk(KERN_INFO "%s: phy reset failed\n", dev->name); | |
4117 | return -EINVAL; | |
4118 | } | |
4119 | } else { | |
4120 | bmcr |= (BMCR_ANENABLE | BMCR_ANRESTART); | |
4121 | mii_rw(dev, np->phyaddr, MII_BMCR, bmcr); | |
4122 | } | |
dc8216c1 | 4123 | |
f9430a01 AA |
4124 | if (netif_running(dev)) { |
4125 | nv_start_rx(dev); | |
4126 | nv_start_tx(dev); | |
4127 | nv_enable_irq(dev); | |
4128 | } | |
dc8216c1 MS |
4129 | ret = 0; |
4130 | } else { | |
4131 | ret = -EINVAL; | |
4132 | } | |
dc8216c1 MS |
4133 | |
4134 | return ret; | |
4135 | } | |
4136 | ||
0674d594 ZA |
4137 | static int nv_set_tso(struct net_device *dev, u32 value) |
4138 | { | |
4139 | struct fe_priv *np = netdev_priv(dev); | |
4140 | ||
4141 | if ((np->driver_data & DEV_HAS_CHECKSUM)) | |
4142 | return ethtool_op_set_tso(dev, value); | |
4143 | else | |
6a78814f | 4144 | return -EOPNOTSUPP; |
0674d594 | 4145 | } |
0674d594 | 4146 | |
eafa59f6 AA |
4147 | static void nv_get_ringparam(struct net_device *dev, struct ethtool_ringparam* ring) |
4148 | { | |
4149 | struct fe_priv *np = netdev_priv(dev); | |
4150 | ||
4151 | ring->rx_max_pending = (np->desc_ver == DESC_VER_1) ? RING_MAX_DESC_VER_1 : RING_MAX_DESC_VER_2_3; | |
4152 | ring->rx_mini_max_pending = 0; | |
4153 | ring->rx_jumbo_max_pending = 0; | |
4154 | ring->tx_max_pending = (np->desc_ver == DESC_VER_1) ? RING_MAX_DESC_VER_1 : RING_MAX_DESC_VER_2_3; | |
4155 | ||
4156 | ring->rx_pending = np->rx_ring_size; | |
4157 | ring->rx_mini_pending = 0; | |
4158 | ring->rx_jumbo_pending = 0; | |
4159 | ring->tx_pending = np->tx_ring_size; | |
4160 | } | |
4161 | ||
4162 | static int nv_set_ringparam(struct net_device *dev, struct ethtool_ringparam* ring) | |
4163 | { | |
4164 | struct fe_priv *np = netdev_priv(dev); | |
4165 | u8 __iomem *base = get_hwbase(dev); | |
761fcd9e | 4166 | u8 *rxtx_ring, *rx_skbuff, *tx_skbuff; |
eafa59f6 AA |
4167 | dma_addr_t ring_addr; |
4168 | ||
4169 | if (ring->rx_pending < RX_RING_MIN || | |
4170 | ring->tx_pending < TX_RING_MIN || | |
4171 | ring->rx_mini_pending != 0 || | |
4172 | ring->rx_jumbo_pending != 0 || | |
4173 | (np->desc_ver == DESC_VER_1 && | |
4174 | (ring->rx_pending > RING_MAX_DESC_VER_1 || | |
4175 | ring->tx_pending > RING_MAX_DESC_VER_1)) || | |
4176 | (np->desc_ver != DESC_VER_1 && | |
4177 | (ring->rx_pending > RING_MAX_DESC_VER_2_3 || | |
4178 | ring->tx_pending > RING_MAX_DESC_VER_2_3))) { | |
4179 | return -EINVAL; | |
4180 | } | |
4181 | ||
4182 | /* allocate new rings */ | |
4183 | if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) { | |
4184 | rxtx_ring = pci_alloc_consistent(np->pci_dev, | |
4185 | sizeof(struct ring_desc) * (ring->rx_pending + ring->tx_pending), | |
4186 | &ring_addr); | |
4187 | } else { | |
4188 | rxtx_ring = pci_alloc_consistent(np->pci_dev, | |
4189 | sizeof(struct ring_desc_ex) * (ring->rx_pending + ring->tx_pending), | |
4190 | &ring_addr); | |
4191 | } | |
761fcd9e AA |
4192 | rx_skbuff = kmalloc(sizeof(struct nv_skb_map) * ring->rx_pending, GFP_KERNEL); |
4193 | tx_skbuff = kmalloc(sizeof(struct nv_skb_map) * ring->tx_pending, GFP_KERNEL); | |
4194 | if (!rxtx_ring || !rx_skbuff || !tx_skbuff) { | |
eafa59f6 AA |
4195 | /* fall back to old rings */ |
4196 | if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) { | |
f82a9352 | 4197 | if (rxtx_ring) |
eafa59f6 AA |
4198 | pci_free_consistent(np->pci_dev, sizeof(struct ring_desc) * (ring->rx_pending + ring->tx_pending), |
4199 | rxtx_ring, ring_addr); | |
4200 | } else { | |
4201 | if (rxtx_ring) | |
4202 | pci_free_consistent(np->pci_dev, sizeof(struct ring_desc_ex) * (ring->rx_pending + ring->tx_pending), | |
4203 | rxtx_ring, ring_addr); | |
4204 | } | |
4205 | if (rx_skbuff) | |
4206 | kfree(rx_skbuff); | |
eafa59f6 AA |
4207 | if (tx_skbuff) |
4208 | kfree(tx_skbuff); | |
eafa59f6 AA |
4209 | goto exit; |
4210 | } | |
4211 | ||
4212 | if (netif_running(dev)) { | |
4213 | nv_disable_irq(dev); | |
58dfd9c1 | 4214 | netif_tx_lock_bh(dev); |
eafa59f6 AA |
4215 | spin_lock(&np->lock); |
4216 | /* stop engines */ | |
4217 | nv_stop_rx(dev); | |
4218 | nv_stop_tx(dev); | |
4219 | nv_txrx_reset(dev); | |
4220 | /* drain queues */ | |
4221 | nv_drain_rx(dev); | |
4222 | nv_drain_tx(dev); | |
4223 | /* delete queues */ | |
4224 | free_rings(dev); | |
4225 | } | |
4226 | ||
4227 | /* set new values */ | |
4228 | np->rx_ring_size = ring->rx_pending; | |
4229 | np->tx_ring_size = ring->tx_pending; | |
eafa59f6 AA |
4230 | if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) { |
4231 | np->rx_ring.orig = (struct ring_desc*)rxtx_ring; | |
4232 | np->tx_ring.orig = &np->rx_ring.orig[np->rx_ring_size]; | |
4233 | } else { | |
4234 | np->rx_ring.ex = (struct ring_desc_ex*)rxtx_ring; | |
4235 | np->tx_ring.ex = &np->rx_ring.ex[np->rx_ring_size]; | |
4236 | } | |
761fcd9e AA |
4237 | np->rx_skb = (struct nv_skb_map*)rx_skbuff; |
4238 | np->tx_skb = (struct nv_skb_map*)tx_skbuff; | |
eafa59f6 AA |
4239 | np->ring_addr = ring_addr; |
4240 | ||
761fcd9e AA |
4241 | memset(np->rx_skb, 0, sizeof(struct nv_skb_map) * np->rx_ring_size); |
4242 | memset(np->tx_skb, 0, sizeof(struct nv_skb_map) * np->tx_ring_size); | |
eafa59f6 AA |
4243 | |
4244 | if (netif_running(dev)) { | |
4245 | /* reinit driver view of the queues */ | |
4246 | set_bufsize(dev); | |
4247 | if (nv_init_ring(dev)) { | |
4248 | if (!np->in_shutdown) | |
4249 | mod_timer(&np->oom_kick, jiffies + OOM_REFILL); | |
4250 | } | |
4251 | ||
4252 | /* reinit nic view of the queues */ | |
4253 | writel(np->rx_buf_sz, base + NvRegOffloadConfig); | |
4254 | setup_hw_rings(dev, NV_SETUP_RX_RING | NV_SETUP_TX_RING); | |
4255 | writel( ((np->rx_ring_size-1) << NVREG_RINGSZ_RXSHIFT) + ((np->tx_ring_size-1) << NVREG_RINGSZ_TXSHIFT), | |
4256 | base + NvRegRingSizes); | |
4257 | pci_push(base); | |
4258 | writel(NVREG_TXRXCTL_KICK|np->txrxctl_bits, get_hwbase(dev) + NvRegTxRxControl); | |
4259 | pci_push(base); | |
4260 | ||
4261 | /* restart engines */ | |
4262 | nv_start_rx(dev); | |
4263 | nv_start_tx(dev); | |
4264 | spin_unlock(&np->lock); | |
58dfd9c1 | 4265 | netif_tx_unlock_bh(dev); |
eafa59f6 AA |
4266 | nv_enable_irq(dev); |
4267 | } | |
4268 | return 0; | |
4269 | exit: | |
4270 | return -ENOMEM; | |
4271 | } | |
4272 | ||
b6d0773f AA |
4273 | static void nv_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam* pause) |
4274 | { | |
4275 | struct fe_priv *np = netdev_priv(dev); | |
4276 | ||
4277 | pause->autoneg = (np->pause_flags & NV_PAUSEFRAME_AUTONEG) != 0; | |
4278 | pause->rx_pause = (np->pause_flags & NV_PAUSEFRAME_RX_ENABLE) != 0; | |
4279 | pause->tx_pause = (np->pause_flags & NV_PAUSEFRAME_TX_ENABLE) != 0; | |
4280 | } | |
4281 | ||
4282 | static int nv_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam* pause) | |
4283 | { | |
4284 | struct fe_priv *np = netdev_priv(dev); | |
4285 | int adv, bmcr; | |
4286 | ||
4287 | if ((!np->autoneg && np->duplex == 0) || | |
4288 | (np->autoneg && !pause->autoneg && np->duplex == 0)) { | |
4289 | printk(KERN_INFO "%s: can not set pause settings when forced link is in half duplex.\n", | |
4290 | dev->name); | |
4291 | return -EINVAL; | |
4292 | } | |
4293 | if (pause->tx_pause && !(np->pause_flags & NV_PAUSEFRAME_TX_CAPABLE)) { | |
4294 | printk(KERN_INFO "%s: hardware does not support tx pause frames.\n", dev->name); | |
4295 | return -EINVAL; | |
4296 | } | |
4297 | ||
4298 | netif_carrier_off(dev); | |
4299 | if (netif_running(dev)) { | |
4300 | nv_disable_irq(dev); | |
58dfd9c1 | 4301 | netif_tx_lock_bh(dev); |
b6d0773f AA |
4302 | spin_lock(&np->lock); |
4303 | /* stop engines */ | |
4304 | nv_stop_rx(dev); | |
4305 | nv_stop_tx(dev); | |
4306 | spin_unlock(&np->lock); | |
58dfd9c1 | 4307 | netif_tx_unlock_bh(dev); |
b6d0773f AA |
4308 | } |
4309 | ||
4310 | np->pause_flags &= ~(NV_PAUSEFRAME_RX_REQ|NV_PAUSEFRAME_TX_REQ); | |
4311 | if (pause->rx_pause) | |
4312 | np->pause_flags |= NV_PAUSEFRAME_RX_REQ; | |
4313 | if (pause->tx_pause) | |
4314 | np->pause_flags |= NV_PAUSEFRAME_TX_REQ; | |
4315 | ||
4316 | if (np->autoneg && pause->autoneg) { | |
4317 | np->pause_flags |= NV_PAUSEFRAME_AUTONEG; | |
4318 | ||
4319 | adv = mii_rw(dev, np->phyaddr, MII_ADVERTISE, MII_READ); | |
4320 | adv &= ~(ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM); | |
4321 | if (np->pause_flags & NV_PAUSEFRAME_RX_REQ) /* for rx we set both advertisments but disable tx pause */ | |
4322 | adv |= ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM; | |
4323 | if (np->pause_flags & NV_PAUSEFRAME_TX_REQ) | |
4324 | adv |= ADVERTISE_PAUSE_ASYM; | |
4325 | mii_rw(dev, np->phyaddr, MII_ADVERTISE, adv); | |
4326 | ||
4327 | if (netif_running(dev)) | |
4328 | printk(KERN_INFO "%s: link down.\n", dev->name); | |
4329 | bmcr = mii_rw(dev, np->phyaddr, MII_BMCR, MII_READ); | |
4330 | bmcr |= (BMCR_ANENABLE | BMCR_ANRESTART); | |
4331 | mii_rw(dev, np->phyaddr, MII_BMCR, bmcr); | |
4332 | } else { | |
4333 | np->pause_flags &= ~(NV_PAUSEFRAME_AUTONEG|NV_PAUSEFRAME_RX_ENABLE|NV_PAUSEFRAME_TX_ENABLE); | |
4334 | if (pause->rx_pause) | |
4335 | np->pause_flags |= NV_PAUSEFRAME_RX_ENABLE; | |
4336 | if (pause->tx_pause) | |
4337 | np->pause_flags |= NV_PAUSEFRAME_TX_ENABLE; | |
4338 | ||
4339 | if (!netif_running(dev)) | |
4340 | nv_update_linkspeed(dev); | |
4341 | else | |
4342 | nv_update_pause(dev, np->pause_flags); | |
4343 | } | |
4344 | ||
4345 | if (netif_running(dev)) { | |
4346 | nv_start_rx(dev); | |
4347 | nv_start_tx(dev); | |
4348 | nv_enable_irq(dev); | |
4349 | } | |
4350 | return 0; | |
4351 | } | |
4352 | ||
5ed2616f AA |
4353 | static u32 nv_get_rx_csum(struct net_device *dev) |
4354 | { | |
4355 | struct fe_priv *np = netdev_priv(dev); | |
f2ad2d9b | 4356 | return (np->rx_csum) != 0; |
5ed2616f AA |
4357 | } |
4358 | ||
4359 | static int nv_set_rx_csum(struct net_device *dev, u32 data) | |
4360 | { | |
4361 | struct fe_priv *np = netdev_priv(dev); | |
4362 | u8 __iomem *base = get_hwbase(dev); | |
4363 | int retcode = 0; | |
4364 | ||
4365 | if (np->driver_data & DEV_HAS_CHECKSUM) { | |
5ed2616f | 4366 | if (data) { |
f2ad2d9b | 4367 | np->rx_csum = 1; |
5ed2616f | 4368 | np->txrxctl_bits |= NVREG_TXRXCTL_RXCHECK; |
5ed2616f | 4369 | } else { |
f2ad2d9b AA |
4370 | np->rx_csum = 0; |
4371 | /* vlan is dependent on rx checksum offload */ | |
4372 | if (!(np->vlanctl_bits & NVREG_VLANCONTROL_ENABLE)) | |
4373 | np->txrxctl_bits &= ~NVREG_TXRXCTL_RXCHECK; | |
5ed2616f | 4374 | } |
5ed2616f AA |
4375 | if (netif_running(dev)) { |
4376 | spin_lock_irq(&np->lock); | |
4377 | writel(np->txrxctl_bits, base + NvRegTxRxControl); | |
4378 | spin_unlock_irq(&np->lock); | |
4379 | } | |
4380 | } else { | |
4381 | return -EINVAL; | |
4382 | } | |
4383 | ||
4384 | return retcode; | |
4385 | } | |
4386 | ||
4387 | static int nv_set_tx_csum(struct net_device *dev, u32 data) | |
4388 | { | |
4389 | struct fe_priv *np = netdev_priv(dev); | |
4390 | ||
4391 | if (np->driver_data & DEV_HAS_CHECKSUM) | |
4392 | return ethtool_op_set_tx_hw_csum(dev, data); | |
4393 | else | |
4394 | return -EOPNOTSUPP; | |
4395 | } | |
4396 | ||
4397 | static int nv_set_sg(struct net_device *dev, u32 data) | |
4398 | { | |
4399 | struct fe_priv *np = netdev_priv(dev); | |
4400 | ||
4401 | if (np->driver_data & DEV_HAS_CHECKSUM) | |
4402 | return ethtool_op_set_sg(dev, data); | |
4403 | else | |
4404 | return -EOPNOTSUPP; | |
4405 | } | |
4406 | ||
b9f2c044 | 4407 | static int nv_get_sset_count(struct net_device *dev, int sset) |
52da3578 AA |
4408 | { |
4409 | struct fe_priv *np = netdev_priv(dev); | |
4410 | ||
b9f2c044 JG |
4411 | switch (sset) { |
4412 | case ETH_SS_TEST: | |
4413 | if (np->driver_data & DEV_HAS_TEST_EXTENDED) | |
4414 | return NV_TEST_COUNT_EXTENDED; | |
4415 | else | |
4416 | return NV_TEST_COUNT_BASE; | |
4417 | case ETH_SS_STATS: | |
4418 | if (np->driver_data & DEV_HAS_STATISTICS_V1) | |
4419 | return NV_DEV_STATISTICS_V1_COUNT; | |
4420 | else if (np->driver_data & DEV_HAS_STATISTICS_V2) | |
4421 | return NV_DEV_STATISTICS_V2_COUNT; | |
4422 | else | |
4423 | return 0; | |
4424 | default: | |
4425 | return -EOPNOTSUPP; | |
4426 | } | |
52da3578 AA |
4427 | } |
4428 | ||
4429 | static void nv_get_ethtool_stats(struct net_device *dev, struct ethtool_stats *estats, u64 *buffer) | |
4430 | { | |
4431 | struct fe_priv *np = netdev_priv(dev); | |
4432 | ||
4433 | /* update stats */ | |
4434 | nv_do_stats_poll((unsigned long)dev); | |
4435 | ||
b9f2c044 | 4436 | memcpy(buffer, &np->estats, nv_get_sset_count(dev, ETH_SS_STATS)*sizeof(u64)); |
9589c77a AA |
4437 | } |
4438 | ||
4439 | static int nv_link_test(struct net_device *dev) | |
4440 | { | |
4441 | struct fe_priv *np = netdev_priv(dev); | |
4442 | int mii_status; | |
4443 | ||
4444 | mii_rw(dev, np->phyaddr, MII_BMSR, MII_READ); | |
4445 | mii_status = mii_rw(dev, np->phyaddr, MII_BMSR, MII_READ); | |
4446 | ||
4447 | /* check phy link status */ | |
4448 | if (!(mii_status & BMSR_LSTATUS)) | |
4449 | return 0; | |
4450 | else | |
4451 | return 1; | |
4452 | } | |
4453 | ||
4454 | static int nv_register_test(struct net_device *dev) | |
4455 | { | |
4456 | u8 __iomem *base = get_hwbase(dev); | |
4457 | int i = 0; | |
4458 | u32 orig_read, new_read; | |
4459 | ||
4460 | do { | |
4461 | orig_read = readl(base + nv_registers_test[i].reg); | |
4462 | ||
4463 | /* xor with mask to toggle bits */ | |
4464 | orig_read ^= nv_registers_test[i].mask; | |
4465 | ||
4466 | writel(orig_read, base + nv_registers_test[i].reg); | |
4467 | ||
4468 | new_read = readl(base + nv_registers_test[i].reg); | |
4469 | ||
4470 | if ((new_read & nv_registers_test[i].mask) != (orig_read & nv_registers_test[i].mask)) | |
4471 | return 0; | |
4472 | ||
4473 | /* restore original value */ | |
4474 | orig_read ^= nv_registers_test[i].mask; | |
4475 | writel(orig_read, base + nv_registers_test[i].reg); | |
4476 | ||
4477 | } while (nv_registers_test[++i].reg != 0); | |
4478 | ||
4479 | return 1; | |
4480 | } | |
4481 | ||
4482 | static int nv_interrupt_test(struct net_device *dev) | |
4483 | { | |
4484 | struct fe_priv *np = netdev_priv(dev); | |
4485 | u8 __iomem *base = get_hwbase(dev); | |
4486 | int ret = 1; | |
4487 | int testcnt; | |
4488 | u32 save_msi_flags, save_poll_interval = 0; | |
4489 | ||
4490 | if (netif_running(dev)) { | |
4491 | /* free current irq */ | |
4492 | nv_free_irq(dev); | |
4493 | save_poll_interval = readl(base+NvRegPollingInterval); | |
4494 | } | |
4495 | ||
4496 | /* flag to test interrupt handler */ | |
4497 | np->intr_test = 0; | |
4498 | ||
4499 | /* setup test irq */ | |
4500 | save_msi_flags = np->msi_flags; | |
4501 | np->msi_flags &= ~NV_MSI_X_VECTORS_MASK; | |
4502 | np->msi_flags |= 0x001; /* setup 1 vector */ | |
4503 | if (nv_request_irq(dev, 1)) | |
4504 | return 0; | |
4505 | ||
4506 | /* setup timer interrupt */ | |
4507 | writel(NVREG_POLL_DEFAULT_CPU, base + NvRegPollingInterval); | |
4508 | writel(NVREG_UNKSETUP6_VAL, base + NvRegUnknownSetupReg6); | |
4509 | ||
4510 | nv_enable_hw_interrupts(dev, NVREG_IRQ_TIMER); | |
4511 | ||
4512 | /* wait for at least one interrupt */ | |
4513 | msleep(100); | |
4514 | ||
4515 | spin_lock_irq(&np->lock); | |
4516 | ||
4517 | /* flag should be set within ISR */ | |
4518 | testcnt = np->intr_test; | |
4519 | if (!testcnt) | |
4520 | ret = 2; | |
4521 | ||
4522 | nv_disable_hw_interrupts(dev, NVREG_IRQ_TIMER); | |
4523 | if (!(np->msi_flags & NV_MSI_X_ENABLED)) | |
4524 | writel(NVREG_IRQSTAT_MASK, base + NvRegIrqStatus); | |
4525 | else | |
4526 | writel(NVREG_IRQSTAT_MASK, base + NvRegMSIXIrqStatus); | |
4527 | ||
4528 | spin_unlock_irq(&np->lock); | |
4529 | ||
4530 | nv_free_irq(dev); | |
4531 | ||
4532 | np->msi_flags = save_msi_flags; | |
4533 | ||
4534 | if (netif_running(dev)) { | |
4535 | writel(save_poll_interval, base + NvRegPollingInterval); | |
4536 | writel(NVREG_UNKSETUP6_VAL, base + NvRegUnknownSetupReg6); | |
4537 | /* restore original irq */ | |
4538 | if (nv_request_irq(dev, 0)) | |
4539 | return 0; | |
4540 | } | |
4541 | ||
4542 | return ret; | |
4543 | } | |
4544 | ||
4545 | static int nv_loopback_test(struct net_device *dev) | |
4546 | { | |
4547 | struct fe_priv *np = netdev_priv(dev); | |
4548 | u8 __iomem *base = get_hwbase(dev); | |
4549 | struct sk_buff *tx_skb, *rx_skb; | |
4550 | dma_addr_t test_dma_addr; | |
4551 | u32 tx_flags_extra = (np->desc_ver == DESC_VER_1 ? NV_TX_LASTPACKET : NV_TX2_LASTPACKET); | |
f82a9352 | 4552 | u32 flags; |
9589c77a AA |
4553 | int len, i, pkt_len; |
4554 | u8 *pkt_data; | |
4555 | u32 filter_flags = 0; | |
4556 | u32 misc1_flags = 0; | |
4557 | int ret = 1; | |
4558 | ||
4559 | if (netif_running(dev)) { | |
4560 | nv_disable_irq(dev); | |
4561 | filter_flags = readl(base + NvRegPacketFilterFlags); | |
4562 | misc1_flags = readl(base + NvRegMisc1); | |
4563 | } else { | |
4564 | nv_txrx_reset(dev); | |
4565 | } | |
4566 | ||
4567 | /* reinit driver view of the rx queue */ | |
4568 | set_bufsize(dev); | |
4569 | nv_init_ring(dev); | |
4570 | ||
4571 | /* setup hardware for loopback */ | |
4572 | writel(NVREG_MISC1_FORCE, base + NvRegMisc1); | |
4573 | writel(NVREG_PFF_ALWAYS | NVREG_PFF_LOOPBACK, base + NvRegPacketFilterFlags); | |
4574 | ||
4575 | /* reinit nic view of the rx queue */ | |
4576 | writel(np->rx_buf_sz, base + NvRegOffloadConfig); | |
4577 | setup_hw_rings(dev, NV_SETUP_RX_RING | NV_SETUP_TX_RING); | |
4578 | writel( ((np->rx_ring_size-1) << NVREG_RINGSZ_RXSHIFT) + ((np->tx_ring_size-1) << NVREG_RINGSZ_TXSHIFT), | |
4579 | base + NvRegRingSizes); | |
4580 | pci_push(base); | |
4581 | ||
4582 | /* restart rx engine */ | |
4583 | nv_start_rx(dev); | |
4584 | nv_start_tx(dev); | |
4585 | ||
4586 | /* setup packet for tx */ | |
4587 | pkt_len = ETH_DATA_LEN; | |
4588 | tx_skb = dev_alloc_skb(pkt_len); | |
46798c89 JJ |
4589 | if (!tx_skb) { |
4590 | printk(KERN_ERR "dev_alloc_skb() failed during loopback test" | |
4591 | " of %s\n", dev->name); | |
4592 | ret = 0; | |
4593 | goto out; | |
4594 | } | |
8b5be268 ACM |
4595 | test_dma_addr = pci_map_single(np->pci_dev, tx_skb->data, |
4596 | skb_tailroom(tx_skb), | |
4597 | PCI_DMA_FROMDEVICE); | |
9589c77a AA |
4598 | pkt_data = skb_put(tx_skb, pkt_len); |
4599 | for (i = 0; i < pkt_len; i++) | |
4600 | pkt_data[i] = (u8)(i & 0xff); | |
9589c77a AA |
4601 | |
4602 | if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) { | |
f82a9352 SH |
4603 | np->tx_ring.orig[0].buf = cpu_to_le32(test_dma_addr); |
4604 | np->tx_ring.orig[0].flaglen = cpu_to_le32((pkt_len-1) | np->tx_flags | tx_flags_extra); | |
9589c77a | 4605 | } else { |
5bb7ea26 AV |
4606 | np->tx_ring.ex[0].bufhigh = cpu_to_le32(dma_high(test_dma_addr)); |
4607 | np->tx_ring.ex[0].buflow = cpu_to_le32(dma_low(test_dma_addr)); | |
f82a9352 | 4608 | np->tx_ring.ex[0].flaglen = cpu_to_le32((pkt_len-1) | np->tx_flags | tx_flags_extra); |
9589c77a AA |
4609 | } |
4610 | writel(NVREG_TXRXCTL_KICK|np->txrxctl_bits, get_hwbase(dev) + NvRegTxRxControl); | |
4611 | pci_push(get_hwbase(dev)); | |
4612 | ||
4613 | msleep(500); | |
4614 | ||
4615 | /* check for rx of the packet */ | |
4616 | if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) { | |
f82a9352 | 4617 | flags = le32_to_cpu(np->rx_ring.orig[0].flaglen); |
9589c77a AA |
4618 | len = nv_descr_getlength(&np->rx_ring.orig[0], np->desc_ver); |
4619 | ||
4620 | } else { | |
f82a9352 | 4621 | flags = le32_to_cpu(np->rx_ring.ex[0].flaglen); |
9589c77a AA |
4622 | len = nv_descr_getlength_ex(&np->rx_ring.ex[0], np->desc_ver); |
4623 | } | |
4624 | ||
f82a9352 | 4625 | if (flags & NV_RX_AVAIL) { |
9589c77a AA |
4626 | ret = 0; |
4627 | } else if (np->desc_ver == DESC_VER_1) { | |
f82a9352 | 4628 | if (flags & NV_RX_ERROR) |
9589c77a AA |
4629 | ret = 0; |
4630 | } else { | |
f82a9352 | 4631 | if (flags & NV_RX2_ERROR) { |
9589c77a AA |
4632 | ret = 0; |
4633 | } | |
4634 | } | |
4635 | ||
4636 | if (ret) { | |
4637 | if (len != pkt_len) { | |
4638 | ret = 0; | |
4639 | dprintk(KERN_DEBUG "%s: loopback len mismatch %d vs %d\n", | |
4640 | dev->name, len, pkt_len); | |
4641 | } else { | |
761fcd9e | 4642 | rx_skb = np->rx_skb[0].skb; |
9589c77a AA |
4643 | for (i = 0; i < pkt_len; i++) { |
4644 | if (rx_skb->data[i] != (u8)(i & 0xff)) { | |
4645 | ret = 0; | |
4646 | dprintk(KERN_DEBUG "%s: loopback pattern check failed on byte %d\n", | |
4647 | dev->name, i); | |
4648 | break; | |
4649 | } | |
4650 | } | |
4651 | } | |
4652 | } else { | |
4653 | dprintk(KERN_DEBUG "%s: loopback - did not receive test packet\n", dev->name); | |
4654 | } | |
4655 | ||
4656 | pci_unmap_page(np->pci_dev, test_dma_addr, | |
4305b541 | 4657 | (skb_end_pointer(tx_skb) - tx_skb->data), |
9589c77a AA |
4658 | PCI_DMA_TODEVICE); |
4659 | dev_kfree_skb_any(tx_skb); | |
46798c89 | 4660 | out: |
9589c77a AA |
4661 | /* stop engines */ |
4662 | nv_stop_rx(dev); | |
4663 | nv_stop_tx(dev); | |
4664 | nv_txrx_reset(dev); | |
4665 | /* drain rx queue */ | |
4666 | nv_drain_rx(dev); | |
4667 | nv_drain_tx(dev); | |
4668 | ||
4669 | if (netif_running(dev)) { | |
4670 | writel(misc1_flags, base + NvRegMisc1); | |
4671 | writel(filter_flags, base + NvRegPacketFilterFlags); | |
4672 | nv_enable_irq(dev); | |
4673 | } | |
4674 | ||
4675 | return ret; | |
4676 | } | |
4677 | ||
4678 | static void nv_self_test(struct net_device *dev, struct ethtool_test *test, u64 *buffer) | |
4679 | { | |
4680 | struct fe_priv *np = netdev_priv(dev); | |
4681 | u8 __iomem *base = get_hwbase(dev); | |
4682 | int result; | |
b9f2c044 | 4683 | memset(buffer, 0, nv_get_sset_count(dev, ETH_SS_TEST)*sizeof(u64)); |
9589c77a AA |
4684 | |
4685 | if (!nv_link_test(dev)) { | |
4686 | test->flags |= ETH_TEST_FL_FAILED; | |
4687 | buffer[0] = 1; | |
4688 | } | |
4689 | ||
4690 | if (test->flags & ETH_TEST_FL_OFFLINE) { | |
4691 | if (netif_running(dev)) { | |
4692 | netif_stop_queue(dev); | |
bea3348e SH |
4693 | #ifdef CONFIG_FORCEDETH_NAPI |
4694 | napi_disable(&np->napi); | |
4695 | #endif | |
58dfd9c1 | 4696 | netif_tx_lock_bh(dev); |
9589c77a AA |
4697 | spin_lock_irq(&np->lock); |
4698 | nv_disable_hw_interrupts(dev, np->irqmask); | |
4699 | if (!(np->msi_flags & NV_MSI_X_ENABLED)) { | |
4700 | writel(NVREG_IRQSTAT_MASK, base + NvRegIrqStatus); | |
4701 | } else { | |
4702 | writel(NVREG_IRQSTAT_MASK, base + NvRegMSIXIrqStatus); | |
4703 | } | |
4704 | /* stop engines */ | |
4705 | nv_stop_rx(dev); | |
4706 | nv_stop_tx(dev); | |
4707 | nv_txrx_reset(dev); | |
4708 | /* drain rx queue */ | |
4709 | nv_drain_rx(dev); | |
4710 | nv_drain_tx(dev); | |
4711 | spin_unlock_irq(&np->lock); | |
58dfd9c1 | 4712 | netif_tx_unlock_bh(dev); |
9589c77a AA |
4713 | } |
4714 | ||
4715 | if (!nv_register_test(dev)) { | |
4716 | test->flags |= ETH_TEST_FL_FAILED; | |
4717 | buffer[1] = 1; | |
4718 | } | |
4719 | ||
4720 | result = nv_interrupt_test(dev); | |
4721 | if (result != 1) { | |
4722 | test->flags |= ETH_TEST_FL_FAILED; | |
4723 | buffer[2] = 1; | |
4724 | } | |
4725 | if (result == 0) { | |
4726 | /* bail out */ | |
4727 | return; | |
4728 | } | |
4729 | ||
4730 | if (!nv_loopback_test(dev)) { | |
4731 | test->flags |= ETH_TEST_FL_FAILED; | |
4732 | buffer[3] = 1; | |
4733 | } | |
4734 | ||
4735 | if (netif_running(dev)) { | |
4736 | /* reinit driver view of the rx queue */ | |
4737 | set_bufsize(dev); | |
4738 | if (nv_init_ring(dev)) { | |
4739 | if (!np->in_shutdown) | |
4740 | mod_timer(&np->oom_kick, jiffies + OOM_REFILL); | |
4741 | } | |
4742 | /* reinit nic view of the rx queue */ | |
4743 | writel(np->rx_buf_sz, base + NvRegOffloadConfig); | |
4744 | setup_hw_rings(dev, NV_SETUP_RX_RING | NV_SETUP_TX_RING); | |
4745 | writel( ((np->rx_ring_size-1) << NVREG_RINGSZ_RXSHIFT) + ((np->tx_ring_size-1) << NVREG_RINGSZ_TXSHIFT), | |
4746 | base + NvRegRingSizes); | |
4747 | pci_push(base); | |
4748 | writel(NVREG_TXRXCTL_KICK|np->txrxctl_bits, get_hwbase(dev) + NvRegTxRxControl); | |
4749 | pci_push(base); | |
4750 | /* restart rx engine */ | |
4751 | nv_start_rx(dev); | |
4752 | nv_start_tx(dev); | |
4753 | netif_start_queue(dev); | |
bea3348e SH |
4754 | #ifdef CONFIG_FORCEDETH_NAPI |
4755 | napi_enable(&np->napi); | |
4756 | #endif | |
9589c77a AA |
4757 | nv_enable_hw_interrupts(dev, np->irqmask); |
4758 | } | |
4759 | } | |
4760 | } | |
4761 | ||
52da3578 AA |
4762 | static void nv_get_strings(struct net_device *dev, u32 stringset, u8 *buffer) |
4763 | { | |
4764 | switch (stringset) { | |
4765 | case ETH_SS_STATS: | |
b9f2c044 | 4766 | memcpy(buffer, &nv_estats_str, nv_get_sset_count(dev, ETH_SS_STATS)*sizeof(struct nv_ethtool_str)); |
52da3578 | 4767 | break; |
9589c77a | 4768 | case ETH_SS_TEST: |
b9f2c044 | 4769 | memcpy(buffer, &nv_etests_str, nv_get_sset_count(dev, ETH_SS_TEST)*sizeof(struct nv_ethtool_str)); |
9589c77a | 4770 | break; |
52da3578 AA |
4771 | } |
4772 | } | |
4773 | ||
7282d491 | 4774 | static const struct ethtool_ops ops = { |
1da177e4 LT |
4775 | .get_drvinfo = nv_get_drvinfo, |
4776 | .get_link = ethtool_op_get_link, | |
4777 | .get_wol = nv_get_wol, | |
4778 | .set_wol = nv_set_wol, | |
4779 | .get_settings = nv_get_settings, | |
4780 | .set_settings = nv_set_settings, | |
dc8216c1 MS |
4781 | .get_regs_len = nv_get_regs_len, |
4782 | .get_regs = nv_get_regs, | |
4783 | .nway_reset = nv_nway_reset, | |
6a78814f | 4784 | .set_tso = nv_set_tso, |
eafa59f6 AA |
4785 | .get_ringparam = nv_get_ringparam, |
4786 | .set_ringparam = nv_set_ringparam, | |
b6d0773f AA |
4787 | .get_pauseparam = nv_get_pauseparam, |
4788 | .set_pauseparam = nv_set_pauseparam, | |
5ed2616f AA |
4789 | .get_rx_csum = nv_get_rx_csum, |
4790 | .set_rx_csum = nv_set_rx_csum, | |
5ed2616f | 4791 | .set_tx_csum = nv_set_tx_csum, |
5ed2616f | 4792 | .set_sg = nv_set_sg, |
52da3578 | 4793 | .get_strings = nv_get_strings, |
52da3578 | 4794 | .get_ethtool_stats = nv_get_ethtool_stats, |
b9f2c044 | 4795 | .get_sset_count = nv_get_sset_count, |
9589c77a | 4796 | .self_test = nv_self_test, |
1da177e4 LT |
4797 | }; |
4798 | ||
ee407b02 AA |
4799 | static void nv_vlan_rx_register(struct net_device *dev, struct vlan_group *grp) |
4800 | { | |
4801 | struct fe_priv *np = get_nvpriv(dev); | |
4802 | ||
4803 | spin_lock_irq(&np->lock); | |
4804 | ||
4805 | /* save vlan group */ | |
4806 | np->vlangrp = grp; | |
4807 | ||
4808 | if (grp) { | |
4809 | /* enable vlan on MAC */ | |
4810 | np->txrxctl_bits |= NVREG_TXRXCTL_VLANSTRIP | NVREG_TXRXCTL_VLANINS; | |
4811 | } else { | |
4812 | /* disable vlan on MAC */ | |
4813 | np->txrxctl_bits &= ~NVREG_TXRXCTL_VLANSTRIP; | |
4814 | np->txrxctl_bits &= ~NVREG_TXRXCTL_VLANINS; | |
4815 | } | |
4816 | ||
4817 | writel(np->txrxctl_bits, get_hwbase(dev) + NvRegTxRxControl); | |
4818 | ||
4819 | spin_unlock_irq(&np->lock); | |
25805dcf | 4820 | } |
ee407b02 | 4821 | |
7e680c22 AA |
4822 | /* The mgmt unit and driver use a semaphore to access the phy during init */ |
4823 | static int nv_mgmt_acquire_sema(struct net_device *dev) | |
4824 | { | |
4825 | u8 __iomem *base = get_hwbase(dev); | |
4826 | int i; | |
4827 | u32 tx_ctrl, mgmt_sema; | |
4828 | ||
4829 | for (i = 0; i < 10; i++) { | |
4830 | mgmt_sema = readl(base + NvRegTransmitterControl) & NVREG_XMITCTL_MGMT_SEMA_MASK; | |
4831 | if (mgmt_sema == NVREG_XMITCTL_MGMT_SEMA_FREE) | |
4832 | break; | |
4833 | msleep(500); | |
4834 | } | |
4835 | ||
4836 | if (mgmt_sema != NVREG_XMITCTL_MGMT_SEMA_FREE) | |
4837 | return 0; | |
4838 | ||
4839 | for (i = 0; i < 2; i++) { | |
4840 | tx_ctrl = readl(base + NvRegTransmitterControl); | |
4841 | tx_ctrl |= NVREG_XMITCTL_HOST_SEMA_ACQ; | |
4842 | writel(tx_ctrl, base + NvRegTransmitterControl); | |
4843 | ||
4844 | /* verify that semaphore was acquired */ | |
4845 | tx_ctrl = readl(base + NvRegTransmitterControl); | |
4846 | if (((tx_ctrl & NVREG_XMITCTL_HOST_SEMA_MASK) == NVREG_XMITCTL_HOST_SEMA_ACQ) && | |
4847 | ((tx_ctrl & NVREG_XMITCTL_MGMT_SEMA_MASK) == NVREG_XMITCTL_MGMT_SEMA_FREE)) | |
4848 | return 1; | |
4849 | else | |
4850 | udelay(50); | |
4851 | } | |
4852 | ||
4853 | return 0; | |
4854 | } | |
4855 | ||
1da177e4 LT |
4856 | static int nv_open(struct net_device *dev) |
4857 | { | |
ac9c1897 | 4858 | struct fe_priv *np = netdev_priv(dev); |
1da177e4 | 4859 | u8 __iomem *base = get_hwbase(dev); |
d33a73c8 AA |
4860 | int ret = 1; |
4861 | int oom, i; | |
1da177e4 LT |
4862 | |
4863 | dprintk(KERN_DEBUG "nv_open: begin\n"); | |
4864 | ||
f1489653 | 4865 | /* erase previous misconfiguration */ |
86a0f043 AA |
4866 | if (np->driver_data & DEV_HAS_POWER_CNTRL) |
4867 | nv_mac_reset(dev); | |
1da177e4 LT |
4868 | writel(NVREG_MCASTADDRA_FORCE, base + NvRegMulticastAddrA); |
4869 | writel(0, base + NvRegMulticastAddrB); | |
bb9a4fd1 AA |
4870 | writel(NVREG_MCASTMASKA_NONE, base + NvRegMulticastMaskA); |
4871 | writel(NVREG_MCASTMASKB_NONE, base + NvRegMulticastMaskB); | |
1da177e4 LT |
4872 | writel(0, base + NvRegPacketFilterFlags); |
4873 | ||
4874 | writel(0, base + NvRegTransmitterControl); | |
4875 | writel(0, base + NvRegReceiverControl); | |
4876 | ||
4877 | writel(0, base + NvRegAdapterControl); | |
4878 | ||
eb91f61b AA |
4879 | if (np->pause_flags & NV_PAUSEFRAME_TX_CAPABLE) |
4880 | writel(NVREG_TX_PAUSEFRAME_DISABLE, base + NvRegTxPauseFrame); | |
4881 | ||
f1489653 | 4882 | /* initialize descriptor rings */ |
d81c0983 | 4883 | set_bufsize(dev); |
1da177e4 LT |
4884 | oom = nv_init_ring(dev); |
4885 | ||
4886 | writel(0, base + NvRegLinkSpeed); | |
5070d340 | 4887 | writel(readl(base + NvRegTransmitPoll) & NVREG_TRANSMITPOLL_MAC_ADDR_REV, base + NvRegTransmitPoll); |
1da177e4 LT |
4888 | nv_txrx_reset(dev); |
4889 | writel(0, base + NvRegUnknownSetupReg6); | |
4890 | ||
4891 | np->in_shutdown = 0; | |
4892 | ||
f1489653 | 4893 | /* give hw rings */ |
0832b25a | 4894 | setup_hw_rings(dev, NV_SETUP_RX_RING | NV_SETUP_TX_RING); |
eafa59f6 | 4895 | writel( ((np->rx_ring_size-1) << NVREG_RINGSZ_RXSHIFT) + ((np->tx_ring_size-1) << NVREG_RINGSZ_TXSHIFT), |
1da177e4 LT |
4896 | base + NvRegRingSizes); |
4897 | ||
1da177e4 | 4898 | writel(np->linkspeed, base + NvRegLinkSpeed); |
95d161cb AA |
4899 | if (np->desc_ver == DESC_VER_1) |
4900 | writel(NVREG_TX_WM_DESC1_DEFAULT, base + NvRegTxWatermark); | |
4901 | else | |
4902 | writel(NVREG_TX_WM_DESC2_3_DEFAULT, base + NvRegTxWatermark); | |
8a4ae7f2 | 4903 | writel(np->txrxctl_bits, base + NvRegTxRxControl); |
ee407b02 | 4904 | writel(np->vlanctl_bits, base + NvRegVlanControl); |
1da177e4 | 4905 | pci_push(base); |
8a4ae7f2 | 4906 | writel(NVREG_TXRXCTL_BIT1|np->txrxctl_bits, base + NvRegTxRxControl); |
1da177e4 LT |
4907 | reg_delay(dev, NvRegUnknownSetupReg5, NVREG_UNKSETUP5_BIT31, NVREG_UNKSETUP5_BIT31, |
4908 | NV_SETUP5_DELAY, NV_SETUP5_DELAYMAX, | |
4909 | KERN_INFO "open: SetupReg5, Bit 31 remained off\n"); | |
4910 | ||
7e680c22 | 4911 | writel(0, base + NvRegMIIMask); |
1da177e4 | 4912 | writel(NVREG_IRQSTAT_MASK, base + NvRegIrqStatus); |
eb798428 | 4913 | writel(NVREG_MIISTAT_MASK_ALL, base + NvRegMIIStatus); |
1da177e4 | 4914 | |
1da177e4 LT |
4915 | writel(NVREG_MISC1_FORCE | NVREG_MISC1_HD, base + NvRegMisc1); |
4916 | writel(readl(base + NvRegTransmitterStatus), base + NvRegTransmitterStatus); | |
4917 | writel(NVREG_PFF_ALWAYS, base + NvRegPacketFilterFlags); | |
d81c0983 | 4918 | writel(np->rx_buf_sz, base + NvRegOffloadConfig); |
1da177e4 LT |
4919 | |
4920 | writel(readl(base + NvRegReceiverStatus), base + NvRegReceiverStatus); | |
4921 | get_random_bytes(&i, sizeof(i)); | |
4922 | writel(NVREG_RNDSEED_FORCE | (i&NVREG_RNDSEED_MASK), base + NvRegRandomSeed); | |
9744e218 AA |
4923 | writel(NVREG_TX_DEFERRAL_DEFAULT, base + NvRegTxDeferral); |
4924 | writel(NVREG_RX_DEFERRAL_DEFAULT, base + NvRegRxDeferral); | |
a971c324 AA |
4925 | if (poll_interval == -1) { |
4926 | if (optimization_mode == NV_OPTIMIZATION_MODE_THROUGHPUT) | |
4927 | writel(NVREG_POLL_DEFAULT_THROUGHPUT, base + NvRegPollingInterval); | |
4928 | else | |
4929 | writel(NVREG_POLL_DEFAULT_CPU, base + NvRegPollingInterval); | |
4930 | } | |
4931 | else | |
4932 | writel(poll_interval & 0xFFFF, base + NvRegPollingInterval); | |
1da177e4 LT |
4933 | writel(NVREG_UNKSETUP6_VAL, base + NvRegUnknownSetupReg6); |
4934 | writel((np->phyaddr << NVREG_ADAPTCTL_PHYSHIFT)|NVREG_ADAPTCTL_PHYVALID|NVREG_ADAPTCTL_RUNNING, | |
4935 | base + NvRegAdapterControl); | |
4936 | writel(NVREG_MIISPEED_BIT8|NVREG_MIIDELAY, base + NvRegMIISpeed); | |
7e680c22 | 4937 | writel(NVREG_MII_LINKCHANGE, base + NvRegMIIMask); |
c42d9df9 AA |
4938 | if (np->wolenabled) |
4939 | writel(NVREG_WAKEUPFLAGS_ENABLE , base + NvRegWakeUpFlags); | |
1da177e4 LT |
4940 | |
4941 | i = readl(base + NvRegPowerState); | |
4942 | if ( (i & NVREG_POWERSTATE_POWEREDUP) == 0) | |
4943 | writel(NVREG_POWERSTATE_POWEREDUP|i, base + NvRegPowerState); | |
4944 | ||
4945 | pci_push(base); | |
4946 | udelay(10); | |
4947 | writel(readl(base + NvRegPowerState) | NVREG_POWERSTATE_VALID, base + NvRegPowerState); | |
4948 | ||
84b3932b | 4949 | nv_disable_hw_interrupts(dev, np->irqmask); |
1da177e4 | 4950 | pci_push(base); |
eb798428 | 4951 | writel(NVREG_MIISTAT_MASK_ALL, base + NvRegMIIStatus); |
1da177e4 LT |
4952 | writel(NVREG_IRQSTAT_MASK, base + NvRegIrqStatus); |
4953 | pci_push(base); | |
4954 | ||
9589c77a | 4955 | if (nv_request_irq(dev, 0)) { |
84b3932b | 4956 | goto out_drain; |
d33a73c8 | 4957 | } |
1da177e4 LT |
4958 | |
4959 | /* ask for interrupts */ | |
84b3932b | 4960 | nv_enable_hw_interrupts(dev, np->irqmask); |
1da177e4 LT |
4961 | |
4962 | spin_lock_irq(&np->lock); | |
4963 | writel(NVREG_MCASTADDRA_FORCE, base + NvRegMulticastAddrA); | |
4964 | writel(0, base + NvRegMulticastAddrB); | |
bb9a4fd1 AA |
4965 | writel(NVREG_MCASTMASKA_NONE, base + NvRegMulticastMaskA); |
4966 | writel(NVREG_MCASTMASKB_NONE, base + NvRegMulticastMaskB); | |
1da177e4 LT |
4967 | writel(NVREG_PFF_ALWAYS|NVREG_PFF_MYADDR, base + NvRegPacketFilterFlags); |
4968 | /* One manual link speed update: Interrupts are enabled, future link | |
4969 | * speed changes cause interrupts and are handled by nv_link_irq(). | |
4970 | */ | |
4971 | { | |
4972 | u32 miistat; | |
4973 | miistat = readl(base + NvRegMIIStatus); | |
eb798428 | 4974 | writel(NVREG_MIISTAT_MASK_ALL, base + NvRegMIIStatus); |
1da177e4 LT |
4975 | dprintk(KERN_INFO "startup: got 0x%08x.\n", miistat); |
4976 | } | |
1b1b3c9b MS |
4977 | /* set linkspeed to invalid value, thus force nv_update_linkspeed |
4978 | * to init hw */ | |
4979 | np->linkspeed = 0; | |
1da177e4 LT |
4980 | ret = nv_update_linkspeed(dev); |
4981 | nv_start_rx(dev); | |
4982 | nv_start_tx(dev); | |
4983 | netif_start_queue(dev); | |
bea3348e SH |
4984 | #ifdef CONFIG_FORCEDETH_NAPI |
4985 | napi_enable(&np->napi); | |
4986 | #endif | |
e27cdba5 | 4987 | |
1da177e4 LT |
4988 | if (ret) { |
4989 | netif_carrier_on(dev); | |
4990 | } else { | |
f7ab697d | 4991 | printk(KERN_INFO "%s: no link during initialization.\n", dev->name); |
1da177e4 LT |
4992 | netif_carrier_off(dev); |
4993 | } | |
4994 | if (oom) | |
4995 | mod_timer(&np->oom_kick, jiffies + OOM_REFILL); | |
52da3578 AA |
4996 | |
4997 | /* start statistics timer */ | |
57fff698 | 4998 | if (np->driver_data & (DEV_HAS_STATISTICS_V1|DEV_HAS_STATISTICS_V2)) |
52da3578 AA |
4999 | mod_timer(&np->stats_poll, jiffies + STATS_INTERVAL); |
5000 | ||
1da177e4 LT |
5001 | spin_unlock_irq(&np->lock); |
5002 | ||
5003 | return 0; | |
5004 | out_drain: | |
5005 | drain_ring(dev); | |
5006 | return ret; | |
5007 | } | |
5008 | ||
5009 | static int nv_close(struct net_device *dev) | |
5010 | { | |
ac9c1897 | 5011 | struct fe_priv *np = netdev_priv(dev); |
1da177e4 LT |
5012 | u8 __iomem *base; |
5013 | ||
5014 | spin_lock_irq(&np->lock); | |
5015 | np->in_shutdown = 1; | |
5016 | spin_unlock_irq(&np->lock); | |
bea3348e SH |
5017 | #ifdef CONFIG_FORCEDETH_NAPI |
5018 | napi_disable(&np->napi); | |
5019 | #endif | |
a7475906 | 5020 | synchronize_irq(np->pci_dev->irq); |
1da177e4 LT |
5021 | |
5022 | del_timer_sync(&np->oom_kick); | |
5023 | del_timer_sync(&np->nic_poll); | |
52da3578 | 5024 | del_timer_sync(&np->stats_poll); |
1da177e4 LT |
5025 | |
5026 | netif_stop_queue(dev); | |
5027 | spin_lock_irq(&np->lock); | |
5028 | nv_stop_tx(dev); | |
5029 | nv_stop_rx(dev); | |
5030 | nv_txrx_reset(dev); | |
5031 | ||
5032 | /* disable interrupts on the nic or we will lock up */ | |
5033 | base = get_hwbase(dev); | |
84b3932b | 5034 | nv_disable_hw_interrupts(dev, np->irqmask); |
1da177e4 LT |
5035 | pci_push(base); |
5036 | dprintk(KERN_INFO "%s: Irqmask is zero again\n", dev->name); | |
5037 | ||
5038 | spin_unlock_irq(&np->lock); | |
5039 | ||
84b3932b | 5040 | nv_free_irq(dev); |
1da177e4 LT |
5041 | |
5042 | drain_ring(dev); | |
5043 | ||
2cc49a5c TM |
5044 | if (np->wolenabled) { |
5045 | writel(NVREG_PFF_ALWAYS|NVREG_PFF_MYADDR, base + NvRegPacketFilterFlags); | |
1da177e4 | 5046 | nv_start_rx(dev); |
2cc49a5c | 5047 | } |
1da177e4 LT |
5048 | |
5049 | /* FIXME: power down nic */ | |
5050 | ||
5051 | return 0; | |
5052 | } | |
5053 | ||
5054 | static int __devinit nv_probe(struct pci_dev *pci_dev, const struct pci_device_id *id) | |
5055 | { | |
5056 | struct net_device *dev; | |
5057 | struct fe_priv *np; | |
5058 | unsigned long addr; | |
5059 | u8 __iomem *base; | |
5060 | int err, i; | |
5070d340 | 5061 | u32 powerstate, txreg; |
7e680c22 AA |
5062 | u32 phystate_orig = 0, phystate; |
5063 | int phyinitialized = 0; | |
0795af57 | 5064 | DECLARE_MAC_BUF(mac); |
3f88ce49 JG |
5065 | static int printed_version; |
5066 | ||
5067 | if (!printed_version++) | |
5068 | printk(KERN_INFO "%s: Reverse Engineered nForce ethernet" | |
5069 | " driver. Version %s.\n", DRV_NAME, FORCEDETH_VERSION); | |
1da177e4 LT |
5070 | |
5071 | dev = alloc_etherdev(sizeof(struct fe_priv)); | |
5072 | err = -ENOMEM; | |
5073 | if (!dev) | |
5074 | goto out; | |
5075 | ||
ac9c1897 | 5076 | np = netdev_priv(dev); |
bea3348e | 5077 | np->dev = dev; |
1da177e4 LT |
5078 | np->pci_dev = pci_dev; |
5079 | spin_lock_init(&np->lock); | |
1da177e4 LT |
5080 | SET_NETDEV_DEV(dev, &pci_dev->dev); |
5081 | ||
5082 | init_timer(&np->oom_kick); | |
5083 | np->oom_kick.data = (unsigned long) dev; | |
5084 | np->oom_kick.function = &nv_do_rx_refill; /* timer handler */ | |
5085 | init_timer(&np->nic_poll); | |
5086 | np->nic_poll.data = (unsigned long) dev; | |
5087 | np->nic_poll.function = &nv_do_nic_poll; /* timer handler */ | |
52da3578 AA |
5088 | init_timer(&np->stats_poll); |
5089 | np->stats_poll.data = (unsigned long) dev; | |
5090 | np->stats_poll.function = &nv_do_stats_poll; /* timer handler */ | |
1da177e4 LT |
5091 | |
5092 | err = pci_enable_device(pci_dev); | |
3f88ce49 | 5093 | if (err) |
1da177e4 | 5094 | goto out_free; |
1da177e4 LT |
5095 | |
5096 | pci_set_master(pci_dev); | |
5097 | ||
5098 | err = pci_request_regions(pci_dev, DRV_NAME); | |
5099 | if (err < 0) | |
5100 | goto out_disable; | |
5101 | ||
57fff698 AA |
5102 | if (id->driver_data & (DEV_HAS_VLAN|DEV_HAS_MSI_X|DEV_HAS_POWER_CNTRL|DEV_HAS_STATISTICS_V2)) |
5103 | np->register_size = NV_PCI_REGSZ_VER3; | |
5104 | else if (id->driver_data & DEV_HAS_STATISTICS_V1) | |
86a0f043 AA |
5105 | np->register_size = NV_PCI_REGSZ_VER2; |
5106 | else | |
5107 | np->register_size = NV_PCI_REGSZ_VER1; | |
5108 | ||
1da177e4 LT |
5109 | err = -EINVAL; |
5110 | addr = 0; | |
5111 | for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) { | |
5112 | dprintk(KERN_DEBUG "%s: resource %d start %p len %ld flags 0x%08lx.\n", | |
5113 | pci_name(pci_dev), i, (void*)pci_resource_start(pci_dev, i), | |
5114 | pci_resource_len(pci_dev, i), | |
5115 | pci_resource_flags(pci_dev, i)); | |
5116 | if (pci_resource_flags(pci_dev, i) & IORESOURCE_MEM && | |
86a0f043 | 5117 | pci_resource_len(pci_dev, i) >= np->register_size) { |
1da177e4 LT |
5118 | addr = pci_resource_start(pci_dev, i); |
5119 | break; | |
5120 | } | |
5121 | } | |
5122 | if (i == DEVICE_COUNT_RESOURCE) { | |
3f88ce49 JG |
5123 | dev_printk(KERN_INFO, &pci_dev->dev, |
5124 | "Couldn't find register window\n"); | |
1da177e4 LT |
5125 | goto out_relreg; |
5126 | } | |
5127 | ||
86a0f043 AA |
5128 | /* copy of driver data */ |
5129 | np->driver_data = id->driver_data; | |
5130 | ||
1da177e4 | 5131 | /* handle different descriptor versions */ |
ee73362c MS |
5132 | if (id->driver_data & DEV_HAS_HIGH_DMA) { |
5133 | /* packet format 3: supports 40-bit addressing */ | |
5134 | np->desc_ver = DESC_VER_3; | |
84b3932b | 5135 | np->txrxctl_bits = NVREG_TXRXCTL_DESC_3; |
69fe3fd7 | 5136 | if (dma_64bit) { |
3f88ce49 JG |
5137 | if (pci_set_dma_mask(pci_dev, DMA_39BIT_MASK)) |
5138 | dev_printk(KERN_INFO, &pci_dev->dev, | |
5139 | "64-bit DMA failed, using 32-bit addressing\n"); | |
5140 | else | |
69fe3fd7 | 5141 | dev->features |= NETIF_F_HIGHDMA; |
69fe3fd7 | 5142 | if (pci_set_consistent_dma_mask(pci_dev, DMA_39BIT_MASK)) { |
3f88ce49 JG |
5143 | dev_printk(KERN_INFO, &pci_dev->dev, |
5144 | "64-bit DMA (consistent) failed, using 32-bit ring buffers\n"); | |
69fe3fd7 | 5145 | } |
ee73362c MS |
5146 | } |
5147 | } else if (id->driver_data & DEV_HAS_LARGEDESC) { | |
5148 | /* packet format 2: supports jumbo frames */ | |
1da177e4 | 5149 | np->desc_ver = DESC_VER_2; |
8a4ae7f2 | 5150 | np->txrxctl_bits = NVREG_TXRXCTL_DESC_2; |
ee73362c MS |
5151 | } else { |
5152 | /* original packet format */ | |
5153 | np->desc_ver = DESC_VER_1; | |
8a4ae7f2 | 5154 | np->txrxctl_bits = NVREG_TXRXCTL_DESC_1; |
d81c0983 | 5155 | } |
ee73362c MS |
5156 | |
5157 | np->pkt_limit = NV_PKTLIMIT_1; | |
5158 | if (id->driver_data & DEV_HAS_LARGEDESC) | |
5159 | np->pkt_limit = NV_PKTLIMIT_2; | |
5160 | ||
8a4ae7f2 | 5161 | if (id->driver_data & DEV_HAS_CHECKSUM) { |
f2ad2d9b | 5162 | np->rx_csum = 1; |
8a4ae7f2 | 5163 | np->txrxctl_bits |= NVREG_TXRXCTL_RXCHECK; |
ac9c1897 | 5164 | dev->features |= NETIF_F_HW_CSUM | NETIF_F_SG; |
fa45459e | 5165 | dev->features |= NETIF_F_TSO; |
21828163 | 5166 | } |
8a4ae7f2 | 5167 | |
ee407b02 AA |
5168 | np->vlanctl_bits = 0; |
5169 | if (id->driver_data & DEV_HAS_VLAN) { | |
5170 | np->vlanctl_bits = NVREG_VLANCONTROL_ENABLE; | |
5171 | dev->features |= NETIF_F_HW_VLAN_RX | NETIF_F_HW_VLAN_TX; | |
5172 | dev->vlan_rx_register = nv_vlan_rx_register; | |
ee407b02 AA |
5173 | } |
5174 | ||
d33a73c8 | 5175 | np->msi_flags = 0; |
69fe3fd7 | 5176 | if ((id->driver_data & DEV_HAS_MSI) && msi) { |
d33a73c8 AA |
5177 | np->msi_flags |= NV_MSI_CAPABLE; |
5178 | } | |
69fe3fd7 | 5179 | if ((id->driver_data & DEV_HAS_MSI_X) && msix) { |
d33a73c8 AA |
5180 | np->msi_flags |= NV_MSI_X_CAPABLE; |
5181 | } | |
5182 | ||
b6d0773f | 5183 | np->pause_flags = NV_PAUSEFRAME_RX_CAPABLE | NV_PAUSEFRAME_RX_REQ | NV_PAUSEFRAME_AUTONEG; |
5289b4c4 AA |
5184 | if ((id->driver_data & DEV_HAS_PAUSEFRAME_TX_V1) || |
5185 | (id->driver_data & DEV_HAS_PAUSEFRAME_TX_V2) || | |
5186 | (id->driver_data & DEV_HAS_PAUSEFRAME_TX_V3)) { | |
b6d0773f | 5187 | np->pause_flags |= NV_PAUSEFRAME_TX_CAPABLE | NV_PAUSEFRAME_TX_REQ; |
eb91f61b | 5188 | } |
f3b197ac | 5189 | |
eb91f61b | 5190 | |
1da177e4 | 5191 | err = -ENOMEM; |
86a0f043 | 5192 | np->base = ioremap(addr, np->register_size); |
1da177e4 LT |
5193 | if (!np->base) |
5194 | goto out_relreg; | |
5195 | dev->base_addr = (unsigned long)np->base; | |
ee73362c | 5196 | |
1da177e4 | 5197 | dev->irq = pci_dev->irq; |
ee73362c | 5198 | |
eafa59f6 AA |
5199 | np->rx_ring_size = RX_RING_DEFAULT; |
5200 | np->tx_ring_size = TX_RING_DEFAULT; | |
eafa59f6 | 5201 | |
ee73362c MS |
5202 | if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) { |
5203 | np->rx_ring.orig = pci_alloc_consistent(pci_dev, | |
eafa59f6 | 5204 | sizeof(struct ring_desc) * (np->rx_ring_size + np->tx_ring_size), |
ee73362c MS |
5205 | &np->ring_addr); |
5206 | if (!np->rx_ring.orig) | |
5207 | goto out_unmap; | |
eafa59f6 | 5208 | np->tx_ring.orig = &np->rx_ring.orig[np->rx_ring_size]; |
ee73362c MS |
5209 | } else { |
5210 | np->rx_ring.ex = pci_alloc_consistent(pci_dev, | |
eafa59f6 | 5211 | sizeof(struct ring_desc_ex) * (np->rx_ring_size + np->tx_ring_size), |
ee73362c MS |
5212 | &np->ring_addr); |
5213 | if (!np->rx_ring.ex) | |
5214 | goto out_unmap; | |
eafa59f6 AA |
5215 | np->tx_ring.ex = &np->rx_ring.ex[np->rx_ring_size]; |
5216 | } | |
dd00cc48 YP |
5217 | np->rx_skb = kcalloc(np->rx_ring_size, sizeof(struct nv_skb_map), GFP_KERNEL); |
5218 | np->tx_skb = kcalloc(np->tx_ring_size, sizeof(struct nv_skb_map), GFP_KERNEL); | |
761fcd9e | 5219 | if (!np->rx_skb || !np->tx_skb) |
eafa59f6 | 5220 | goto out_freering; |
1da177e4 LT |
5221 | |
5222 | dev->open = nv_open; | |
5223 | dev->stop = nv_close; | |
86b22b0d AA |
5224 | if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) |
5225 | dev->hard_start_xmit = nv_start_xmit; | |
5226 | else | |
5227 | dev->hard_start_xmit = nv_start_xmit_optimized; | |
1da177e4 LT |
5228 | dev->get_stats = nv_get_stats; |
5229 | dev->change_mtu = nv_change_mtu; | |
72b31782 | 5230 | dev->set_mac_address = nv_set_mac_address; |
1da177e4 | 5231 | dev->set_multicast_list = nv_set_multicast; |
2918c35d MS |
5232 | #ifdef CONFIG_NET_POLL_CONTROLLER |
5233 | dev->poll_controller = nv_poll_controller; | |
e27cdba5 | 5234 | #endif |
e27cdba5 | 5235 | #ifdef CONFIG_FORCEDETH_NAPI |
bea3348e | 5236 | netif_napi_add(dev, &np->napi, nv_napi_poll, RX_WORK_PER_LOOP); |
2918c35d | 5237 | #endif |
1da177e4 LT |
5238 | SET_ETHTOOL_OPS(dev, &ops); |
5239 | dev->tx_timeout = nv_tx_timeout; | |
5240 | dev->watchdog_timeo = NV_WATCHDOG_TIMEO; | |
5241 | ||
5242 | pci_set_drvdata(pci_dev, dev); | |
5243 | ||
5244 | /* read the mac address */ | |
5245 | base = get_hwbase(dev); | |
5246 | np->orig_mac[0] = readl(base + NvRegMacAddrA); | |
5247 | np->orig_mac[1] = readl(base + NvRegMacAddrB); | |
5248 | ||
5070d340 AA |
5249 | /* check the workaround bit for correct mac address order */ |
5250 | txreg = readl(base + NvRegTransmitPoll); | |
ef756b3e AA |
5251 | if ((txreg & NVREG_TRANSMITPOLL_MAC_ADDR_REV) || |
5252 | (id->driver_data & DEV_HAS_CORRECT_MACADDR)) { | |
5070d340 AA |
5253 | /* mac address is already in correct order */ |
5254 | dev->dev_addr[0] = (np->orig_mac[0] >> 0) & 0xff; | |
5255 | dev->dev_addr[1] = (np->orig_mac[0] >> 8) & 0xff; | |
5256 | dev->dev_addr[2] = (np->orig_mac[0] >> 16) & 0xff; | |
5257 | dev->dev_addr[3] = (np->orig_mac[0] >> 24) & 0xff; | |
5258 | dev->dev_addr[4] = (np->orig_mac[1] >> 0) & 0xff; | |
5259 | dev->dev_addr[5] = (np->orig_mac[1] >> 8) & 0xff; | |
5260 | } else { | |
5261 | /* need to reverse mac address to correct order */ | |
5262 | dev->dev_addr[0] = (np->orig_mac[1] >> 8) & 0xff; | |
5263 | dev->dev_addr[1] = (np->orig_mac[1] >> 0) & 0xff; | |
5264 | dev->dev_addr[2] = (np->orig_mac[0] >> 24) & 0xff; | |
5265 | dev->dev_addr[3] = (np->orig_mac[0] >> 16) & 0xff; | |
5266 | dev->dev_addr[4] = (np->orig_mac[0] >> 8) & 0xff; | |
5267 | dev->dev_addr[5] = (np->orig_mac[0] >> 0) & 0xff; | |
5070d340 AA |
5268 | writel(txreg|NVREG_TRANSMITPOLL_MAC_ADDR_REV, base + NvRegTransmitPoll); |
5269 | } | |
c704b856 | 5270 | memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len); |
1da177e4 | 5271 | |
c704b856 | 5272 | if (!is_valid_ether_addr(dev->perm_addr)) { |
1da177e4 LT |
5273 | /* |
5274 | * Bad mac address. At least one bios sets the mac address | |
5275 | * to 01:23:45:67:89:ab | |
5276 | */ | |
3f88ce49 JG |
5277 | dev_printk(KERN_ERR, &pci_dev->dev, |
5278 | "Invalid Mac address detected: %s\n", | |
5279 | print_mac(mac, dev->dev_addr)); | |
5280 | dev_printk(KERN_ERR, &pci_dev->dev, | |
5281 | "Please complain to your hardware vendor. Switching to a random MAC.\n"); | |
1da177e4 LT |
5282 | dev->dev_addr[0] = 0x00; |
5283 | dev->dev_addr[1] = 0x00; | |
5284 | dev->dev_addr[2] = 0x6c; | |
5285 | get_random_bytes(&dev->dev_addr[3], 3); | |
5286 | } | |
5287 | ||
0795af57 JP |
5288 | dprintk(KERN_DEBUG "%s: MAC Address %s\n", |
5289 | pci_name(pci_dev), print_mac(mac, dev->dev_addr)); | |
1da177e4 | 5290 | |
f1489653 AA |
5291 | /* set mac address */ |
5292 | nv_copy_mac_to_hw(dev); | |
5293 | ||
1da177e4 LT |
5294 | /* disable WOL */ |
5295 | writel(0, base + NvRegWakeUpFlags); | |
5296 | np->wolenabled = 0; | |
5297 | ||
86a0f043 | 5298 | if (id->driver_data & DEV_HAS_POWER_CNTRL) { |
86a0f043 AA |
5299 | |
5300 | /* take phy and nic out of low power mode */ | |
5301 | powerstate = readl(base + NvRegPowerState2); | |
5302 | powerstate &= ~NVREG_POWERSTATE2_POWERUP_MASK; | |
5303 | if ((id->device == PCI_DEVICE_ID_NVIDIA_NVENET_12 || | |
5304 | id->device == PCI_DEVICE_ID_NVIDIA_NVENET_13) && | |
44c10138 | 5305 | pci_dev->revision >= 0xA3) |
86a0f043 AA |
5306 | powerstate |= NVREG_POWERSTATE2_POWERUP_REV_A3; |
5307 | writel(powerstate, base + NvRegPowerState2); | |
5308 | } | |
5309 | ||
1da177e4 | 5310 | if (np->desc_ver == DESC_VER_1) { |
ac9c1897 | 5311 | np->tx_flags = NV_TX_VALID; |
1da177e4 | 5312 | } else { |
ac9c1897 | 5313 | np->tx_flags = NV_TX2_VALID; |
1da177e4 | 5314 | } |
d33a73c8 | 5315 | if (optimization_mode == NV_OPTIMIZATION_MODE_THROUGHPUT) { |
a971c324 | 5316 | np->irqmask = NVREG_IRQMASK_THROUGHPUT; |
d33a73c8 AA |
5317 | if (np->msi_flags & NV_MSI_X_CAPABLE) /* set number of vectors */ |
5318 | np->msi_flags |= 0x0003; | |
5319 | } else { | |
a971c324 | 5320 | np->irqmask = NVREG_IRQMASK_CPU; |
d33a73c8 AA |
5321 | if (np->msi_flags & NV_MSI_X_CAPABLE) /* set number of vectors */ |
5322 | np->msi_flags |= 0x0001; | |
5323 | } | |
a971c324 | 5324 | |
1da177e4 LT |
5325 | if (id->driver_data & DEV_NEED_TIMERIRQ) |
5326 | np->irqmask |= NVREG_IRQ_TIMER; | |
5327 | if (id->driver_data & DEV_NEED_LINKTIMER) { | |
5328 | dprintk(KERN_INFO "%s: link timer on.\n", pci_name(pci_dev)); | |
5329 | np->need_linktimer = 1; | |
5330 | np->link_timeout = jiffies + LINK_TIMEOUT; | |
5331 | } else { | |
5332 | dprintk(KERN_INFO "%s: link timer off.\n", pci_name(pci_dev)); | |
5333 | np->need_linktimer = 0; | |
5334 | } | |
5335 | ||
7e680c22 AA |
5336 | /* clear phy state and temporarily halt phy interrupts */ |
5337 | writel(0, base + NvRegMIIMask); | |
5338 | phystate = readl(base + NvRegAdapterControl); | |
5339 | if (phystate & NVREG_ADAPTCTL_RUNNING) { | |
5340 | phystate_orig = 1; | |
5341 | phystate &= ~NVREG_ADAPTCTL_RUNNING; | |
5342 | writel(phystate, base + NvRegAdapterControl); | |
5343 | } | |
eb798428 | 5344 | writel(NVREG_MIISTAT_MASK_ALL, base + NvRegMIIStatus); |
7e680c22 AA |
5345 | |
5346 | if (id->driver_data & DEV_HAS_MGMT_UNIT) { | |
7e680c22 | 5347 | /* management unit running on the mac? */ |
f35723ec AA |
5348 | if (readl(base + NvRegTransmitterControl) & NVREG_XMITCTL_SYNC_PHY_INIT) { |
5349 | np->mac_in_use = readl(base + NvRegTransmitterControl) & NVREG_XMITCTL_MGMT_ST; | |
5350 | dprintk(KERN_INFO "%s: mgmt unit is running. mac in use %x.\n", pci_name(pci_dev), np->mac_in_use); | |
9e555930 AA |
5351 | if (nv_mgmt_acquire_sema(dev)) { |
5352 | /* management unit setup the phy already? */ | |
5353 | if ((readl(base + NvRegTransmitterControl) & NVREG_XMITCTL_SYNC_MASK) == | |
5354 | NVREG_XMITCTL_SYNC_PHY_INIT) { | |
5355 | /* phy is inited by mgmt unit */ | |
5356 | phyinitialized = 1; | |
5357 | dprintk(KERN_INFO "%s: Phy already initialized by mgmt unit.\n", pci_name(pci_dev)); | |
5358 | } else { | |
5359 | /* we need to init the phy */ | |
7e680c22 | 5360 | } |
7e680c22 AA |
5361 | } |
5362 | } | |
5363 | } | |
5364 | ||
1da177e4 | 5365 | /* find a suitable phy */ |
7a33e45a | 5366 | for (i = 1; i <= 32; i++) { |
1da177e4 | 5367 | int id1, id2; |
7a33e45a | 5368 | int phyaddr = i & 0x1F; |
1da177e4 LT |
5369 | |
5370 | spin_lock_irq(&np->lock); | |
7a33e45a | 5371 | id1 = mii_rw(dev, phyaddr, MII_PHYSID1, MII_READ); |
1da177e4 LT |
5372 | spin_unlock_irq(&np->lock); |
5373 | if (id1 < 0 || id1 == 0xffff) | |
5374 | continue; | |
5375 | spin_lock_irq(&np->lock); | |
7a33e45a | 5376 | id2 = mii_rw(dev, phyaddr, MII_PHYSID2, MII_READ); |
1da177e4 LT |
5377 | spin_unlock_irq(&np->lock); |
5378 | if (id2 < 0 || id2 == 0xffff) | |
5379 | continue; | |
5380 | ||
edf7e5ec | 5381 | np->phy_model = id2 & PHYID2_MODEL_MASK; |
1da177e4 LT |
5382 | id1 = (id1 & PHYID1_OUI_MASK) << PHYID1_OUI_SHFT; |
5383 | id2 = (id2 & PHYID2_OUI_MASK) >> PHYID2_OUI_SHFT; | |
5384 | dprintk(KERN_DEBUG "%s: open: Found PHY %04x:%04x at address %d.\n", | |
7a33e45a AA |
5385 | pci_name(pci_dev), id1, id2, phyaddr); |
5386 | np->phyaddr = phyaddr; | |
1da177e4 LT |
5387 | np->phy_oui = id1 | id2; |
5388 | break; | |
5389 | } | |
7a33e45a | 5390 | if (i == 33) { |
3f88ce49 JG |
5391 | dev_printk(KERN_INFO, &pci_dev->dev, |
5392 | "open: Could not find a valid PHY.\n"); | |
eafa59f6 | 5393 | goto out_error; |
1da177e4 | 5394 | } |
f3b197ac | 5395 | |
7e680c22 AA |
5396 | if (!phyinitialized) { |
5397 | /* reset it */ | |
5398 | phy_init(dev); | |
f35723ec AA |
5399 | } else { |
5400 | /* see if it is a gigabit phy */ | |
5401 | u32 mii_status = mii_rw(dev, np->phyaddr, MII_BMSR, MII_READ); | |
5402 | if (mii_status & PHY_GIGABIT) { | |
5403 | np->gigabit = PHY_GIGABIT; | |
5404 | } | |
7e680c22 | 5405 | } |
1da177e4 LT |
5406 | |
5407 | /* set default link speed settings */ | |
5408 | np->linkspeed = NVREG_LINKSPEED_FORCE|NVREG_LINKSPEED_10; | |
5409 | np->duplex = 0; | |
5410 | np->autoneg = 1; | |
5411 | ||
5412 | err = register_netdev(dev); | |
5413 | if (err) { | |
3f88ce49 JG |
5414 | dev_printk(KERN_INFO, &pci_dev->dev, |
5415 | "unable to register netdev: %d\n", err); | |
eafa59f6 | 5416 | goto out_error; |
1da177e4 | 5417 | } |
3f88ce49 JG |
5418 | |
5419 | dev_printk(KERN_INFO, &pci_dev->dev, "ifname %s, PHY OUI 0x%x @ %d, " | |
5420 | "addr %2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x\n", | |
5421 | dev->name, | |
5422 | np->phy_oui, | |
5423 | np->phyaddr, | |
5424 | dev->dev_addr[0], | |
5425 | dev->dev_addr[1], | |
5426 | dev->dev_addr[2], | |
5427 | dev->dev_addr[3], | |
5428 | dev->dev_addr[4], | |
5429 | dev->dev_addr[5]); | |
5430 | ||
5431 | dev_printk(KERN_INFO, &pci_dev->dev, "%s%s%s%s%s%s%s%s%s%sdesc-v%u\n", | |
5432 | dev->features & NETIF_F_HIGHDMA ? "highdma " : "", | |
5433 | dev->features & (NETIF_F_HW_CSUM | NETIF_F_SG) ? | |
5434 | "csum " : "", | |
5435 | dev->features & (NETIF_F_HW_VLAN_RX | NETIF_F_HW_VLAN_TX) ? | |
5436 | "vlan " : "", | |
5437 | id->driver_data & DEV_HAS_POWER_CNTRL ? "pwrctl " : "", | |
5438 | id->driver_data & DEV_HAS_MGMT_UNIT ? "mgmt " : "", | |
5439 | id->driver_data & DEV_NEED_TIMERIRQ ? "timirq " : "", | |
5440 | np->gigabit == PHY_GIGABIT ? "gbit " : "", | |
5441 | np->need_linktimer ? "lnktim " : "", | |
5442 | np->msi_flags & NV_MSI_CAPABLE ? "msi " : "", | |
5443 | np->msi_flags & NV_MSI_X_CAPABLE ? "msi-x " : "", | |
5444 | np->desc_ver); | |
1da177e4 LT |
5445 | |
5446 | return 0; | |
5447 | ||
eafa59f6 | 5448 | out_error: |
7e680c22 AA |
5449 | if (phystate_orig) |
5450 | writel(phystate|NVREG_ADAPTCTL_RUNNING, base + NvRegAdapterControl); | |
1da177e4 | 5451 | pci_set_drvdata(pci_dev, NULL); |
eafa59f6 AA |
5452 | out_freering: |
5453 | free_rings(dev); | |
1da177e4 LT |
5454 | out_unmap: |
5455 | iounmap(get_hwbase(dev)); | |
5456 | out_relreg: | |
5457 | pci_release_regions(pci_dev); | |
5458 | out_disable: | |
5459 | pci_disable_device(pci_dev); | |
5460 | out_free: | |
5461 | free_netdev(dev); | |
5462 | out: | |
5463 | return err; | |
5464 | } | |
5465 | ||
5466 | static void __devexit nv_remove(struct pci_dev *pci_dev) | |
5467 | { | |
5468 | struct net_device *dev = pci_get_drvdata(pci_dev); | |
f1489653 AA |
5469 | struct fe_priv *np = netdev_priv(dev); |
5470 | u8 __iomem *base = get_hwbase(dev); | |
1da177e4 LT |
5471 | |
5472 | unregister_netdev(dev); | |
5473 | ||
f1489653 AA |
5474 | /* special op: write back the misordered MAC address - otherwise |
5475 | * the next nv_probe would see a wrong address. | |
5476 | */ | |
5477 | writel(np->orig_mac[0], base + NvRegMacAddrA); | |
5478 | writel(np->orig_mac[1], base + NvRegMacAddrB); |