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1da177e4 LT |
1 | /******************************************************************************* |
2 | ||
3 | ||
2648345f | 4 | Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved. |
1da177e4 LT |
5 | |
6 | This program is free software; you can redistribute it and/or modify it | |
7 | under the terms of the GNU General Public License as published by the Free | |
8 | Software Foundation; either version 2 of the License, or (at your option) | |
9 | any later version. | |
10 | ||
11 | This program is distributed in the hope that it will be useful, but WITHOUT | |
12 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
13 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
14 | more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License along with | |
17 | this program; if not, write to the Free Software Foundation, Inc., 59 | |
18 | Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
19 | ||
20 | The full GNU General Public License is included in this distribution in the | |
21 | file called LICENSE. | |
22 | ||
23 | Contact Information: | |
24 | Linux NICS <linux.nics@intel.com> | |
25 | Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 | |
26 | ||
27 | *******************************************************************************/ | |
28 | ||
29 | ||
30 | /* Linux PRO/1000 Ethernet Driver main header file */ | |
31 | ||
32 | #ifndef _E1000_H_ | |
33 | #define _E1000_H_ | |
34 | ||
35 | #include <linux/stddef.h> | |
36 | #include <linux/config.h> | |
37 | #include <linux/module.h> | |
38 | #include <linux/types.h> | |
39 | #include <asm/byteorder.h> | |
40 | #include <linux/init.h> | |
41 | #include <linux/mm.h> | |
42 | #include <linux/errno.h> | |
43 | #include <linux/ioport.h> | |
44 | #include <linux/pci.h> | |
45 | #include <linux/kernel.h> | |
46 | #include <linux/netdevice.h> | |
47 | #include <linux/etherdevice.h> | |
48 | #include <linux/skbuff.h> | |
49 | #include <linux/delay.h> | |
50 | #include <linux/timer.h> | |
51 | #include <linux/slab.h> | |
52 | #include <linux/vmalloc.h> | |
53 | #include <linux/interrupt.h> | |
54 | #include <linux/string.h> | |
55 | #include <linux/pagemap.h> | |
56 | #include <linux/dma-mapping.h> | |
57 | #include <linux/bitops.h> | |
58 | #include <asm/io.h> | |
59 | #include <asm/irq.h> | |
60 | #include <linux/capability.h> | |
61 | #include <linux/in.h> | |
62 | #include <linux/ip.h> | |
63 | #include <linux/tcp.h> | |
64 | #include <linux/udp.h> | |
65 | #include <net/pkt_sched.h> | |
66 | #include <linux/list.h> | |
67 | #include <linux/reboot.h> | |
68 | #ifdef NETIF_F_TSO | |
69 | #include <net/checksum.h> | |
70 | #endif | |
71 | #include <linux/workqueue.h> | |
72 | #include <linux/mii.h> | |
73 | #include <linux/ethtool.h> | |
74 | #include <linux/if_vlan.h> | |
581d708e MC |
75 | #ifdef CONFIG_E1000_MQ |
76 | #include <linux/cpu.h> | |
77 | #include <linux/smp.h> | |
78 | #endif | |
1da177e4 LT |
79 | |
80 | #define BAR_0 0 | |
81 | #define BAR_1 1 | |
82 | #define BAR_5 5 | |
83 | ||
84 | #define INTEL_E1000_ETHERNET_DEVICE(device_id) {\ | |
85 | PCI_DEVICE(PCI_VENDOR_ID_INTEL, device_id)} | |
86 | ||
87 | struct e1000_adapter; | |
88 | ||
89 | #include "e1000_hw.h" | |
90 | ||
91 | #ifdef DBG | |
92 | #define E1000_DBG(args...) printk(KERN_DEBUG "e1000: " args) | |
93 | #else | |
94 | #define E1000_DBG(args...) | |
95 | #endif | |
96 | ||
97 | #define E1000_ERR(args...) printk(KERN_ERR "e1000: " args) | |
98 | ||
99 | #define PFX "e1000: " | |
100 | #define DPRINTK(nlevel, klevel, fmt, args...) \ | |
101 | (void)((NETIF_MSG_##nlevel & adapter->msg_enable) && \ | |
102 | printk(KERN_##klevel PFX "%s: %s: " fmt, adapter->netdev->name, \ | |
103 | __FUNCTION__ , ## args)) | |
104 | ||
105 | #define E1000_MAX_INTR 10 | |
106 | ||
107 | /* TX/RX descriptor defines */ | |
108 | #define E1000_DEFAULT_TXD 256 | |
109 | #define E1000_MAX_TXD 256 | |
110 | #define E1000_MIN_TXD 80 | |
111 | #define E1000_MAX_82544_TXD 4096 | |
112 | ||
113 | #define E1000_DEFAULT_RXD 256 | |
114 | #define E1000_MAX_RXD 256 | |
115 | #define E1000_MIN_RXD 80 | |
116 | #define E1000_MAX_82544_RXD 4096 | |
117 | ||
118 | /* Supported Rx Buffer Sizes */ | |
2d7edb92 MC |
119 | #define E1000_RXBUFFER_128 128 /* Used for packet split */ |
120 | #define E1000_RXBUFFER_256 256 /* Used for packet split */ | |
1da177e4 LT |
121 | #define E1000_RXBUFFER_2048 2048 |
122 | #define E1000_RXBUFFER_4096 4096 | |
123 | #define E1000_RXBUFFER_8192 8192 | |
124 | #define E1000_RXBUFFER_16384 16384 | |
125 | ||
126 | /* SmartSpeed delimiters */ | |
127 | #define E1000_SMARTSPEED_DOWNSHIFT 3 | |
128 | #define E1000_SMARTSPEED_MAX 15 | |
129 | ||
130 | /* Packet Buffer allocations */ | |
131 | #define E1000_PBA_BYTES_SHIFT 0xA | |
132 | #define E1000_TX_HEAD_ADDR_SHIFT 7 | |
133 | #define E1000_PBA_TX_MASK 0xFFFF0000 | |
134 | ||
135 | /* Flow Control Watermarks */ | |
136 | #define E1000_FC_HIGH_DIFF 0x1638 /* High: 5688 bytes below Rx FIFO size */ | |
137 | #define E1000_FC_LOW_DIFF 0x1640 /* Low: 5696 bytes below Rx FIFO size */ | |
138 | ||
139 | #define E1000_FC_PAUSE_TIME 0x0680 /* 858 usec */ | |
140 | ||
141 | /* How many Tx Descriptors do we need to call netif_wake_queue ? */ | |
142 | #define E1000_TX_QUEUE_WAKE 16 | |
143 | /* How many Rx Buffers do we bundle into one write to the hardware ? */ | |
144 | #define E1000_RX_BUFFER_WRITE 16 /* Must be power of 2 */ | |
145 | ||
2648345f | 146 | #define AUTO_ALL_MODES 0 |
70cf362b | 147 | #define E1000_EEPROM_82544_APM 0x0004 |
2648345f | 148 | #define E1000_EEPROM_APME 0x0400 |
1da177e4 LT |
149 | |
150 | #ifndef E1000_MASTER_SLAVE | |
151 | /* Switch to override PHY master/slave setting */ | |
152 | #define E1000_MASTER_SLAVE e1000_ms_hw_default | |
153 | #endif | |
154 | ||
2d7edb92 MC |
155 | #define E1000_MNG_VLAN_NONE -1 |
156 | /* Number of packet split data buffers (not including the header buffer) */ | |
157 | #define PS_PAGE_BUFFERS MAX_PS_BUFFERS-1 | |
158 | ||
1da177e4 LT |
159 | /* only works for sizes that are powers of 2 */ |
160 | #define E1000_ROUNDUP(i, size) ((i) = (((i) + (size) - 1) & ~((size) - 1))) | |
161 | ||
162 | /* wrapper around a pointer to a socket buffer, | |
163 | * so a DMA handle can be stored along with the buffer */ | |
164 | struct e1000_buffer { | |
165 | struct sk_buff *skb; | |
c6963ef5 | 166 | dma_addr_t dma; |
1da177e4 LT |
167 | unsigned long time_stamp; |
168 | uint16_t length; | |
169 | uint16_t next_to_watch; | |
170 | }; | |
171 | ||
e4c811c9 MC |
172 | struct e1000_ps_page { struct page *ps_page[PS_PAGE_BUFFERS]; }; |
173 | struct e1000_ps_page_dma { uint64_t ps_page_dma[PS_PAGE_BUFFERS]; }; | |
2d7edb92 | 174 | |
581d708e MC |
175 | struct e1000_tx_ring { |
176 | /* pointer to the descriptor ring memory */ | |
177 | void *desc; | |
178 | /* physical address of the descriptor ring */ | |
179 | dma_addr_t dma; | |
180 | /* length of descriptor ring in bytes */ | |
181 | unsigned int size; | |
182 | /* number of descriptors in the ring */ | |
183 | unsigned int count; | |
184 | /* next descriptor to associate a buffer with */ | |
185 | unsigned int next_to_use; | |
186 | /* next descriptor to check for DD status bit */ | |
187 | unsigned int next_to_clean; | |
188 | /* array of buffer information structs */ | |
189 | struct e1000_buffer *buffer_info; | |
190 | ||
191 | struct e1000_buffer previous_buffer_info; | |
192 | spinlock_t tx_lock; | |
193 | uint16_t tdh; | |
194 | uint16_t tdt; | |
195 | uint64_t pkt; | |
196 | }; | |
197 | ||
198 | struct e1000_rx_ring { | |
1da177e4 LT |
199 | /* pointer to the descriptor ring memory */ |
200 | void *desc; | |
201 | /* physical address of the descriptor ring */ | |
202 | dma_addr_t dma; | |
203 | /* length of descriptor ring in bytes */ | |
204 | unsigned int size; | |
205 | /* number of descriptors in the ring */ | |
206 | unsigned int count; | |
207 | /* next descriptor to associate a buffer with */ | |
208 | unsigned int next_to_use; | |
209 | /* next descriptor to check for DD status bit */ | |
210 | unsigned int next_to_clean; | |
211 | /* array of buffer information structs */ | |
212 | struct e1000_buffer *buffer_info; | |
2d7edb92 MC |
213 | /* arrays of page information for packet split */ |
214 | struct e1000_ps_page *ps_page; | |
215 | struct e1000_ps_page_dma *ps_page_dma; | |
581d708e MC |
216 | |
217 | uint16_t rdh; | |
218 | uint16_t rdt; | |
219 | uint64_t pkt; | |
1da177e4 LT |
220 | }; |
221 | ||
222 | #define E1000_DESC_UNUSED(R) \ | |
223 | ((((R)->next_to_clean > (R)->next_to_use) ? 0 : (R)->count) + \ | |
224 | (R)->next_to_clean - (R)->next_to_use - 1) | |
225 | ||
2d7edb92 MC |
226 | #define E1000_RX_DESC_PS(R, i) \ |
227 | (&(((union e1000_rx_desc_packet_split *)((R).desc))[i])) | |
228 | #define E1000_RX_DESC_EXT(R, i) \ | |
229 | (&(((union e1000_rx_desc_extended *)((R).desc))[i])) | |
1da177e4 LT |
230 | #define E1000_GET_DESC(R, i, type) (&(((struct type *)((R).desc))[i])) |
231 | #define E1000_RX_DESC(R, i) E1000_GET_DESC(R, i, e1000_rx_desc) | |
232 | #define E1000_TX_DESC(R, i) E1000_GET_DESC(R, i, e1000_tx_desc) | |
233 | #define E1000_CONTEXT_DESC(R, i) E1000_GET_DESC(R, i, e1000_context_desc) | |
234 | ||
235 | /* board specific private data structure */ | |
236 | ||
237 | struct e1000_adapter { | |
238 | struct timer_list tx_fifo_stall_timer; | |
239 | struct timer_list watchdog_timer; | |
240 | struct timer_list phy_info_timer; | |
241 | struct vlan_group *vlgrp; | |
2d7edb92 | 242 | uint16_t mng_vlan_id; |
1da177e4 LT |
243 | uint32_t bd_number; |
244 | uint32_t rx_buffer_len; | |
245 | uint32_t part_num; | |
246 | uint32_t wol; | |
247 | uint32_t smartspeed; | |
248 | uint32_t en_mng_pt; | |
249 | uint16_t link_speed; | |
250 | uint16_t link_duplex; | |
251 | spinlock_t stats_lock; | |
252 | atomic_t irq_sem; | |
253 | struct work_struct tx_timeout_task; | |
254 | struct work_struct watchdog_task; | |
255 | uint8_t fc_autoneg; | |
256 | ||
257 | struct timer_list blink_timer; | |
258 | unsigned long led_status; | |
259 | ||
260 | /* TX */ | |
581d708e MC |
261 | struct e1000_tx_ring *tx_ring; /* One per active queue */ |
262 | #ifdef CONFIG_E1000_MQ | |
263 | struct e1000_tx_ring **cpu_tx_ring; /* per-cpu */ | |
264 | #endif | |
1da177e4 LT |
265 | uint32_t txd_cmd; |
266 | uint32_t tx_int_delay; | |
267 | uint32_t tx_abs_int_delay; | |
268 | uint32_t gotcl; | |
269 | uint64_t gotcl_old; | |
270 | uint64_t tpt_old; | |
271 | uint64_t colc_old; | |
272 | uint32_t tx_fifo_head; | |
273 | uint32_t tx_head_addr; | |
274 | uint32_t tx_fifo_size; | |
275 | atomic_t tx_fifo_stall; | |
276 | boolean_t pcix_82544; | |
277 | boolean_t detect_tx_hung; | |
278 | ||
279 | /* RX */ | |
2d7edb92 | 280 | #ifdef CONFIG_E1000_NAPI |
581d708e MC |
281 | boolean_t (*clean_rx) (struct e1000_adapter *adapter, |
282 | struct e1000_rx_ring *rx_ring, | |
283 | int *work_done, int work_to_do); | |
2d7edb92 | 284 | #else |
581d708e MC |
285 | boolean_t (*clean_rx) (struct e1000_adapter *adapter, |
286 | struct e1000_rx_ring *rx_ring); | |
2d7edb92 | 287 | #endif |
581d708e MC |
288 | void (*alloc_rx_buf) (struct e1000_adapter *adapter, |
289 | struct e1000_rx_ring *rx_ring); | |
290 | struct e1000_rx_ring *rx_ring; /* One per active queue */ | |
291 | #ifdef CONFIG_E1000_NAPI | |
292 | struct net_device *polling_netdev; /* One per active queue */ | |
293 | #endif | |
294 | #ifdef CONFIG_E1000_MQ | |
295 | struct net_device **cpu_netdev; /* per-cpu */ | |
296 | struct call_async_data_struct rx_sched_call_data; | |
297 | int cpu_for_queue[4]; | |
298 | #endif | |
299 | int num_queues; | |
300 | ||
1da177e4 LT |
301 | uint64_t hw_csum_err; |
302 | uint64_t hw_csum_good; | |
e4c811c9 | 303 | uint64_t rx_hdr_split; |
1da177e4 LT |
304 | uint32_t rx_int_delay; |
305 | uint32_t rx_abs_int_delay; | |
306 | boolean_t rx_csum; | |
e4c811c9 | 307 | unsigned int rx_ps_pages; |
1da177e4 LT |
308 | uint32_t gorcl; |
309 | uint64_t gorcl_old; | |
2d7edb92 | 310 | uint16_t rx_ps_bsize0; |
1da177e4 LT |
311 | |
312 | /* Interrupt Throttle Rate */ | |
313 | uint32_t itr; | |
314 | ||
315 | /* OS defined structs */ | |
316 | struct net_device *netdev; | |
317 | struct pci_dev *pdev; | |
318 | struct net_device_stats net_stats; | |
319 | ||
320 | /* structs defined in e1000_hw.h */ | |
321 | struct e1000_hw hw; | |
322 | struct e1000_hw_stats stats; | |
323 | struct e1000_phy_info phy_info; | |
324 | struct e1000_phy_stats phy_stats; | |
325 | ||
326 | uint32_t test_icr; | |
581d708e MC |
327 | struct e1000_tx_ring test_tx_ring; |
328 | struct e1000_rx_ring test_rx_ring; | |
1da177e4 LT |
329 | |
330 | ||
331 | int msg_enable; | |
fa4f7ef3 MC |
332 | #ifdef CONFIG_PCI_MSI |
333 | boolean_t have_msi; | |
334 | #endif | |
1da177e4 LT |
335 | }; |
336 | #endif /* _E1000_H_ */ |