Commit | Line | Data |
---|---|---|
6b7c5b94 | 1 | /* |
d2145cde | 2 | * Copyright (C) 2005 - 2011 Emulex |
6b7c5b94 SP |
3 | * All rights reserved. |
4 | * | |
5 | * This program is free software; you can redistribute it and/or | |
6 | * modify it under the terms of the GNU General Public License version 2 | |
7 | * as published by the Free Software Foundation. The full GNU General | |
8 | * Public License is included in this distribution in the file called COPYING. | |
9 | * | |
10 | * Contact Information: | |
d2145cde | 11 | * linux-drivers@emulex.com |
6b7c5b94 | 12 | * |
d2145cde AK |
13 | * Emulex |
14 | * 3333 Susan Street | |
15 | * Costa Mesa, CA 92626 | |
6b7c5b94 SP |
16 | */ |
17 | ||
18 | #include "be.h" | |
8788fdc2 | 19 | #include "be_cmds.h" |
65f71b8b | 20 | #include <asm/div64.h> |
6b7c5b94 SP |
21 | |
22 | MODULE_VERSION(DRV_VER); | |
23 | MODULE_DEVICE_TABLE(pci, be_dev_ids); | |
24 | MODULE_DESCRIPTION(DRV_DESC " " DRV_VER); | |
25 | MODULE_AUTHOR("ServerEngines Corporation"); | |
26 | MODULE_LICENSE("GPL"); | |
27 | ||
2e588f84 | 28 | static ushort rx_frag_size = 2048; |
ba343c77 | 29 | static unsigned int num_vfs; |
2e588f84 | 30 | module_param(rx_frag_size, ushort, S_IRUGO); |
ba343c77 | 31 | module_param(num_vfs, uint, S_IRUGO); |
6b7c5b94 | 32 | MODULE_PARM_DESC(rx_frag_size, "Size of a fragment that holds rcvd data."); |
ba343c77 | 33 | MODULE_PARM_DESC(num_vfs, "Number of PCI VFs to initialize"); |
6b7c5b94 | 34 | |
3abcdeda SP |
35 | static bool multi_rxq = true; |
36 | module_param(multi_rxq, bool, S_IRUGO | S_IWUSR); | |
37 | MODULE_PARM_DESC(multi_rxq, "Multi Rx Queue support. Enabled by default"); | |
38 | ||
6b7c5b94 | 39 | static DEFINE_PCI_DEVICE_TABLE(be_dev_ids) = { |
c4ca2374 | 40 | { PCI_DEVICE(BE_VENDOR_ID, BE_DEVICE_ID1) }, |
59fd5d87 | 41 | { PCI_DEVICE(BE_VENDOR_ID, BE_DEVICE_ID2) }, |
c4ca2374 AK |
42 | { PCI_DEVICE(BE_VENDOR_ID, OC_DEVICE_ID1) }, |
43 | { PCI_DEVICE(BE_VENDOR_ID, OC_DEVICE_ID2) }, | |
fe6d2a38 | 44 | { PCI_DEVICE(EMULEX_VENDOR_ID, OC_DEVICE_ID3)}, |
6b7c5b94 SP |
45 | { 0 } |
46 | }; | |
47 | MODULE_DEVICE_TABLE(pci, be_dev_ids); | |
7c185276 AK |
48 | /* UE Status Low CSR */ |
49 | static char *ue_status_low_desc[] = { | |
50 | "CEV", | |
51 | "CTX", | |
52 | "DBUF", | |
53 | "ERX", | |
54 | "Host", | |
55 | "MPU", | |
56 | "NDMA", | |
57 | "PTC ", | |
58 | "RDMA ", | |
59 | "RXF ", | |
60 | "RXIPS ", | |
61 | "RXULP0 ", | |
62 | "RXULP1 ", | |
63 | "RXULP2 ", | |
64 | "TIM ", | |
65 | "TPOST ", | |
66 | "TPRE ", | |
67 | "TXIPS ", | |
68 | "TXULP0 ", | |
69 | "TXULP1 ", | |
70 | "UC ", | |
71 | "WDMA ", | |
72 | "TXULP2 ", | |
73 | "HOST1 ", | |
74 | "P0_OB_LINK ", | |
75 | "P1_OB_LINK ", | |
76 | "HOST_GPIO ", | |
77 | "MBOX ", | |
78 | "AXGMAC0", | |
79 | "AXGMAC1", | |
80 | "JTAG", | |
81 | "MPU_INTPEND" | |
82 | }; | |
83 | /* UE Status High CSR */ | |
84 | static char *ue_status_hi_desc[] = { | |
85 | "LPCMEMHOST", | |
86 | "MGMT_MAC", | |
87 | "PCS0ONLINE", | |
88 | "MPU_IRAM", | |
89 | "PCS1ONLINE", | |
90 | "PCTL0", | |
91 | "PCTL1", | |
92 | "PMEM", | |
93 | "RR", | |
94 | "TXPB", | |
95 | "RXPP", | |
96 | "XAUI", | |
97 | "TXP", | |
98 | "ARM", | |
99 | "IPC", | |
100 | "HOST2", | |
101 | "HOST3", | |
102 | "HOST4", | |
103 | "HOST5", | |
104 | "HOST6", | |
105 | "HOST7", | |
106 | "HOST8", | |
107 | "HOST9", | |
108 | "NETC" | |
109 | "Unknown", | |
110 | "Unknown", | |
111 | "Unknown", | |
112 | "Unknown", | |
113 | "Unknown", | |
114 | "Unknown", | |
115 | "Unknown", | |
116 | "Unknown" | |
117 | }; | |
6b7c5b94 SP |
118 | |
119 | static void be_queue_free(struct be_adapter *adapter, struct be_queue_info *q) | |
120 | { | |
121 | struct be_dma_mem *mem = &q->dma_mem; | |
122 | if (mem->va) | |
2b7bcebf IV |
123 | dma_free_coherent(&adapter->pdev->dev, mem->size, mem->va, |
124 | mem->dma); | |
6b7c5b94 SP |
125 | } |
126 | ||
127 | static int be_queue_alloc(struct be_adapter *adapter, struct be_queue_info *q, | |
128 | u16 len, u16 entry_size) | |
129 | { | |
130 | struct be_dma_mem *mem = &q->dma_mem; | |
131 | ||
132 | memset(q, 0, sizeof(*q)); | |
133 | q->len = len; | |
134 | q->entry_size = entry_size; | |
135 | mem->size = len * entry_size; | |
2b7bcebf IV |
136 | mem->va = dma_alloc_coherent(&adapter->pdev->dev, mem->size, &mem->dma, |
137 | GFP_KERNEL); | |
6b7c5b94 SP |
138 | if (!mem->va) |
139 | return -1; | |
140 | memset(mem->va, 0, mem->size); | |
141 | return 0; | |
142 | } | |
143 | ||
8788fdc2 | 144 | static void be_intr_set(struct be_adapter *adapter, bool enable) |
6b7c5b94 | 145 | { |
8788fdc2 | 146 | u8 __iomem *addr = adapter->pcicfg + PCICFG_MEMBAR_CTRL_INT_CTRL_OFFSET; |
6b7c5b94 SP |
147 | u32 reg = ioread32(addr); |
148 | u32 enabled = reg & MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK; | |
5f0b849e | 149 | |
cf588477 SP |
150 | if (adapter->eeh_err) |
151 | return; | |
152 | ||
5f0b849e | 153 | if (!enabled && enable) |
6b7c5b94 | 154 | reg |= MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK; |
5f0b849e | 155 | else if (enabled && !enable) |
6b7c5b94 | 156 | reg &= ~MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK; |
5f0b849e | 157 | else |
6b7c5b94 | 158 | return; |
5f0b849e | 159 | |
6b7c5b94 SP |
160 | iowrite32(reg, addr); |
161 | } | |
162 | ||
8788fdc2 | 163 | static void be_rxq_notify(struct be_adapter *adapter, u16 qid, u16 posted) |
6b7c5b94 SP |
164 | { |
165 | u32 val = 0; | |
166 | val |= qid & DB_RQ_RING_ID_MASK; | |
167 | val |= posted << DB_RQ_NUM_POSTED_SHIFT; | |
f3eb62d2 SP |
168 | |
169 | wmb(); | |
8788fdc2 | 170 | iowrite32(val, adapter->db + DB_RQ_OFFSET); |
6b7c5b94 SP |
171 | } |
172 | ||
8788fdc2 | 173 | static void be_txq_notify(struct be_adapter *adapter, u16 qid, u16 posted) |
6b7c5b94 SP |
174 | { |
175 | u32 val = 0; | |
176 | val |= qid & DB_TXULP_RING_ID_MASK; | |
177 | val |= (posted & DB_TXULP_NUM_POSTED_MASK) << DB_TXULP_NUM_POSTED_SHIFT; | |
f3eb62d2 SP |
178 | |
179 | wmb(); | |
8788fdc2 | 180 | iowrite32(val, adapter->db + DB_TXULP1_OFFSET); |
6b7c5b94 SP |
181 | } |
182 | ||
8788fdc2 | 183 | static void be_eq_notify(struct be_adapter *adapter, u16 qid, |
6b7c5b94 SP |
184 | bool arm, bool clear_int, u16 num_popped) |
185 | { | |
186 | u32 val = 0; | |
187 | val |= qid & DB_EQ_RING_ID_MASK; | |
fe6d2a38 SP |
188 | val |= ((qid & DB_EQ_RING_ID_EXT_MASK) << |
189 | DB_EQ_RING_ID_EXT_MASK_SHIFT); | |
cf588477 SP |
190 | |
191 | if (adapter->eeh_err) | |
192 | return; | |
193 | ||
6b7c5b94 SP |
194 | if (arm) |
195 | val |= 1 << DB_EQ_REARM_SHIFT; | |
196 | if (clear_int) | |
197 | val |= 1 << DB_EQ_CLR_SHIFT; | |
198 | val |= 1 << DB_EQ_EVNT_SHIFT; | |
199 | val |= num_popped << DB_EQ_NUM_POPPED_SHIFT; | |
8788fdc2 | 200 | iowrite32(val, adapter->db + DB_EQ_OFFSET); |
6b7c5b94 SP |
201 | } |
202 | ||
8788fdc2 | 203 | void be_cq_notify(struct be_adapter *adapter, u16 qid, bool arm, u16 num_popped) |
6b7c5b94 SP |
204 | { |
205 | u32 val = 0; | |
206 | val |= qid & DB_CQ_RING_ID_MASK; | |
fe6d2a38 SP |
207 | val |= ((qid & DB_CQ_RING_ID_EXT_MASK) << |
208 | DB_CQ_RING_ID_EXT_MASK_SHIFT); | |
cf588477 SP |
209 | |
210 | if (adapter->eeh_err) | |
211 | return; | |
212 | ||
6b7c5b94 SP |
213 | if (arm) |
214 | val |= 1 << DB_CQ_REARM_SHIFT; | |
215 | val |= num_popped << DB_CQ_NUM_POPPED_SHIFT; | |
8788fdc2 | 216 | iowrite32(val, adapter->db + DB_CQ_OFFSET); |
6b7c5b94 SP |
217 | } |
218 | ||
6b7c5b94 SP |
219 | static int be_mac_addr_set(struct net_device *netdev, void *p) |
220 | { | |
221 | struct be_adapter *adapter = netdev_priv(netdev); | |
222 | struct sockaddr *addr = p; | |
223 | int status = 0; | |
224 | ||
ca9e4988 AK |
225 | if (!is_valid_ether_addr(addr->sa_data)) |
226 | return -EADDRNOTAVAIL; | |
227 | ||
ba343c77 SB |
228 | /* MAC addr configuration will be done in hardware for VFs |
229 | * by their corresponding PFs. Just copy to netdev addr here | |
230 | */ | |
231 | if (!be_physfn(adapter)) | |
232 | goto netdev_addr; | |
233 | ||
f8617e08 AK |
234 | status = be_cmd_pmac_del(adapter, adapter->if_handle, |
235 | adapter->pmac_id, 0); | |
a65027e4 SP |
236 | if (status) |
237 | return status; | |
6b7c5b94 | 238 | |
a65027e4 | 239 | status = be_cmd_pmac_add(adapter, (u8 *)addr->sa_data, |
f8617e08 | 240 | adapter->if_handle, &adapter->pmac_id, 0); |
ba343c77 | 241 | netdev_addr: |
6b7c5b94 SP |
242 | if (!status) |
243 | memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); | |
244 | ||
245 | return status; | |
246 | } | |
247 | ||
89a88ab8 AK |
248 | static void populate_be2_stats(struct be_adapter *adapter) |
249 | { | |
250 | ||
251 | struct be_drv_stats *drvs = &adapter->drv_stats; | |
252 | struct be_pmem_stats *pmem_sts = be_pmem_stats_from_cmd(adapter); | |
253 | struct be_port_rxf_stats_v0 *port_stats = | |
254 | be_port_rxf_stats_from_cmd(adapter); | |
255 | struct be_rxf_stats_v0 *rxf_stats = | |
256 | be_rxf_stats_from_cmd(adapter); | |
257 | ||
258 | drvs->rx_pause_frames = port_stats->rx_pause_frames; | |
259 | drvs->rx_crc_errors = port_stats->rx_crc_errors; | |
260 | drvs->rx_control_frames = port_stats->rx_control_frames; | |
261 | drvs->rx_in_range_errors = port_stats->rx_in_range_errors; | |
262 | drvs->rx_frame_too_long = port_stats->rx_frame_too_long; | |
263 | drvs->rx_dropped_runt = port_stats->rx_dropped_runt; | |
264 | drvs->rx_ip_checksum_errs = port_stats->rx_ip_checksum_errs; | |
265 | drvs->rx_tcp_checksum_errs = port_stats->rx_tcp_checksum_errs; | |
266 | drvs->rx_udp_checksum_errs = port_stats->rx_udp_checksum_errs; | |
267 | drvs->rxpp_fifo_overflow_drop = port_stats->rx_fifo_overflow; | |
268 | drvs->rx_dropped_tcp_length = port_stats->rx_dropped_tcp_length; | |
269 | drvs->rx_dropped_too_small = port_stats->rx_dropped_too_small; | |
270 | drvs->rx_dropped_too_short = port_stats->rx_dropped_too_short; | |
271 | drvs->rx_out_range_errors = port_stats->rx_out_range_errors; | |
272 | drvs->rx_input_fifo_overflow_drop = | |
273 | port_stats->rx_input_fifo_overflow; | |
274 | drvs->rx_dropped_header_too_small = | |
275 | port_stats->rx_dropped_header_too_small; | |
276 | drvs->rx_address_match_errors = | |
277 | port_stats->rx_address_match_errors; | |
278 | drvs->rx_alignment_symbol_errors = | |
279 | port_stats->rx_alignment_symbol_errors; | |
280 | ||
281 | drvs->tx_pauseframes = port_stats->tx_pauseframes; | |
282 | drvs->tx_controlframes = port_stats->tx_controlframes; | |
283 | ||
284 | if (adapter->port_num) | |
285 | drvs->jabber_events = | |
286 | rxf_stats->port1_jabber_events; | |
287 | else | |
288 | drvs->jabber_events = | |
289 | rxf_stats->port0_jabber_events; | |
290 | drvs->rx_drops_no_pbuf = rxf_stats->rx_drops_no_pbuf; | |
291 | drvs->rx_drops_no_txpb = rxf_stats->rx_drops_no_txpb; | |
292 | drvs->rx_drops_no_erx_descr = rxf_stats->rx_drops_no_erx_descr; | |
293 | drvs->rx_drops_invalid_ring = rxf_stats->rx_drops_invalid_ring; | |
294 | drvs->forwarded_packets = rxf_stats->forwarded_packets; | |
295 | drvs->rx_drops_mtu = rxf_stats->rx_drops_mtu; | |
296 | drvs->rx_drops_no_tpre_descr = | |
297 | rxf_stats->rx_drops_no_tpre_descr; | |
298 | drvs->rx_drops_too_many_frags = | |
299 | rxf_stats->rx_drops_too_many_frags; | |
300 | adapter->drv_stats.eth_red_drops = pmem_sts->eth_red_drops; | |
301 | } | |
302 | ||
303 | static void populate_be3_stats(struct be_adapter *adapter) | |
304 | { | |
305 | struct be_drv_stats *drvs = &adapter->drv_stats; | |
306 | struct be_pmem_stats *pmem_sts = be_pmem_stats_from_cmd(adapter); | |
307 | ||
308 | struct be_rxf_stats_v1 *rxf_stats = | |
309 | be_rxf_stats_from_cmd(adapter); | |
310 | struct be_port_rxf_stats_v1 *port_stats = | |
311 | be_port_rxf_stats_from_cmd(adapter); | |
312 | ||
313 | drvs->rx_priority_pause_frames = 0; | |
314 | drvs->pmem_fifo_overflow_drop = 0; | |
315 | drvs->rx_pause_frames = port_stats->rx_pause_frames; | |
316 | drvs->rx_crc_errors = port_stats->rx_crc_errors; | |
317 | drvs->rx_control_frames = port_stats->rx_control_frames; | |
318 | drvs->rx_in_range_errors = port_stats->rx_in_range_errors; | |
319 | drvs->rx_frame_too_long = port_stats->rx_frame_too_long; | |
320 | drvs->rx_dropped_runt = port_stats->rx_dropped_runt; | |
321 | drvs->rx_ip_checksum_errs = port_stats->rx_ip_checksum_errs; | |
322 | drvs->rx_tcp_checksum_errs = port_stats->rx_tcp_checksum_errs; | |
323 | drvs->rx_udp_checksum_errs = port_stats->rx_udp_checksum_errs; | |
324 | drvs->rx_dropped_tcp_length = port_stats->rx_dropped_tcp_length; | |
325 | drvs->rx_dropped_too_small = port_stats->rx_dropped_too_small; | |
326 | drvs->rx_dropped_too_short = port_stats->rx_dropped_too_short; | |
327 | drvs->rx_out_range_errors = port_stats->rx_out_range_errors; | |
328 | drvs->rx_dropped_header_too_small = | |
329 | port_stats->rx_dropped_header_too_small; | |
330 | drvs->rx_input_fifo_overflow_drop = | |
331 | port_stats->rx_input_fifo_overflow_drop; | |
332 | drvs->rx_address_match_errors = | |
333 | port_stats->rx_address_match_errors; | |
334 | drvs->rx_alignment_symbol_errors = | |
335 | port_stats->rx_alignment_symbol_errors; | |
336 | drvs->rxpp_fifo_overflow_drop = | |
337 | port_stats->rxpp_fifo_overflow_drop; | |
338 | drvs->tx_pauseframes = port_stats->tx_pauseframes; | |
339 | drvs->tx_controlframes = port_stats->tx_controlframes; | |
340 | drvs->jabber_events = port_stats->jabber_events; | |
341 | drvs->rx_drops_no_pbuf = rxf_stats->rx_drops_no_pbuf; | |
342 | drvs->rx_drops_no_txpb = rxf_stats->rx_drops_no_txpb; | |
343 | drvs->rx_drops_no_erx_descr = rxf_stats->rx_drops_no_erx_descr; | |
344 | drvs->rx_drops_invalid_ring = rxf_stats->rx_drops_invalid_ring; | |
345 | drvs->forwarded_packets = rxf_stats->forwarded_packets; | |
346 | drvs->rx_drops_mtu = rxf_stats->rx_drops_mtu; | |
347 | drvs->rx_drops_no_tpre_descr = | |
348 | rxf_stats->rx_drops_no_tpre_descr; | |
349 | drvs->rx_drops_too_many_frags = | |
350 | rxf_stats->rx_drops_too_many_frags; | |
351 | adapter->drv_stats.eth_red_drops = pmem_sts->eth_red_drops; | |
352 | } | |
353 | ||
354 | ||
355 | ||
356 | void be_parse_stats(struct be_adapter *adapter) | |
357 | { | |
358 | if (adapter->generation == BE_GEN3) | |
359 | populate_be3_stats(adapter); | |
360 | else | |
361 | populate_be2_stats(adapter); | |
362 | } | |
363 | ||
b31c50a7 | 364 | void netdev_stats_update(struct be_adapter *adapter) |
6b7c5b94 | 365 | { |
89a88ab8 | 366 | struct be_drv_stats *drvs = &adapter->drv_stats; |
78122a52 | 367 | struct net_device_stats *dev_stats = &adapter->netdev->stats; |
3abcdeda SP |
368 | struct be_rx_obj *rxo; |
369 | int i; | |
6b7c5b94 | 370 | |
3abcdeda SP |
371 | memset(dev_stats, 0, sizeof(*dev_stats)); |
372 | for_all_rx_queues(adapter, rxo, i) { | |
373 | dev_stats->rx_packets += rx_stats(rxo)->rx_pkts; | |
374 | dev_stats->rx_bytes += rx_stats(rxo)->rx_bytes; | |
375 | dev_stats->multicast += rx_stats(rxo)->rx_mcast_pkts; | |
376 | /* no space in linux buffers: best possible approximation */ | |
89a88ab8 AK |
377 | if (adapter->generation == BE_GEN3) { |
378 | struct be_erx_stats_v1 *erx_stats = | |
379 | be_erx_stats_from_cmd(adapter); | |
380 | dev_stats->rx_dropped += | |
381 | erx_stats->rx_drops_no_fragments[rxo->q.id]; | |
382 | } else { | |
383 | struct be_erx_stats_v0 *erx_stats = | |
384 | be_erx_stats_from_cmd(adapter); | |
385 | dev_stats->rx_dropped += | |
386 | erx_stats->rx_drops_no_fragments[rxo->q.id]; | |
387 | } | |
3abcdeda SP |
388 | } |
389 | ||
390 | dev_stats->tx_packets = tx_stats(adapter)->be_tx_pkts; | |
391 | dev_stats->tx_bytes = tx_stats(adapter)->be_tx_bytes; | |
6b7c5b94 SP |
392 | |
393 | /* bad pkts received */ | |
89a88ab8 AK |
394 | dev_stats->rx_errors = drvs->rx_crc_errors + |
395 | drvs->rx_alignment_symbol_errors + | |
396 | drvs->rx_in_range_errors + | |
397 | drvs->rx_out_range_errors + | |
398 | drvs->rx_frame_too_long + | |
399 | drvs->rx_dropped_too_small + | |
400 | drvs->rx_dropped_too_short + | |
401 | drvs->rx_dropped_header_too_small + | |
402 | drvs->rx_dropped_tcp_length + | |
403 | drvs->rx_dropped_runt + | |
404 | drvs->rx_tcp_checksum_errs + | |
405 | drvs->rx_ip_checksum_errs + | |
406 | drvs->rx_udp_checksum_errs; | |
68110868 | 407 | |
6b7c5b94 | 408 | /* detailed rx errors */ |
89a88ab8 AK |
409 | dev_stats->rx_length_errors = drvs->rx_in_range_errors + |
410 | drvs->rx_out_range_errors + | |
411 | drvs->rx_frame_too_long; | |
68110868 | 412 | |
89a88ab8 | 413 | dev_stats->rx_crc_errors = drvs->rx_crc_errors; |
6b7c5b94 SP |
414 | |
415 | /* frame alignment errors */ | |
89a88ab8 | 416 | dev_stats->rx_frame_errors = drvs->rx_alignment_symbol_errors; |
68110868 | 417 | |
6b7c5b94 SP |
418 | /* receiver fifo overrun */ |
419 | /* drops_no_pbuf is no per i/f, it's per BE card */ | |
89a88ab8 AK |
420 | dev_stats->rx_fifo_errors = drvs->rxpp_fifo_overflow_drop + |
421 | drvs->rx_input_fifo_overflow_drop + | |
422 | drvs->rx_drops_no_pbuf; | |
6b7c5b94 SP |
423 | } |
424 | ||
8788fdc2 | 425 | void be_link_status_update(struct be_adapter *adapter, bool link_up) |
6b7c5b94 | 426 | { |
6b7c5b94 SP |
427 | struct net_device *netdev = adapter->netdev; |
428 | ||
6b7c5b94 | 429 | /* If link came up or went down */ |
a8f447bd | 430 | if (adapter->link_up != link_up) { |
0dffc83e | 431 | adapter->link_speed = -1; |
a8f447bd | 432 | if (link_up) { |
6b7c5b94 SP |
433 | netif_carrier_on(netdev); |
434 | printk(KERN_INFO "%s: Link up\n", netdev->name); | |
a8f447bd | 435 | } else { |
a8f447bd SP |
436 | netif_carrier_off(netdev); |
437 | printk(KERN_INFO "%s: Link down\n", netdev->name); | |
6b7c5b94 | 438 | } |
a8f447bd | 439 | adapter->link_up = link_up; |
6b7c5b94 | 440 | } |
6b7c5b94 SP |
441 | } |
442 | ||
443 | /* Update the EQ delay n BE based on the RX frags consumed / sec */ | |
3abcdeda | 444 | static void be_rx_eqd_update(struct be_adapter *adapter, struct be_rx_obj *rxo) |
6b7c5b94 | 445 | { |
3abcdeda SP |
446 | struct be_eq_obj *rx_eq = &rxo->rx_eq; |
447 | struct be_rx_stats *stats = &rxo->stats; | |
4097f663 SP |
448 | ulong now = jiffies; |
449 | u32 eqd; | |
450 | ||
451 | if (!rx_eq->enable_aic) | |
452 | return; | |
453 | ||
454 | /* Wrapped around */ | |
455 | if (time_before(now, stats->rx_fps_jiffies)) { | |
456 | stats->rx_fps_jiffies = now; | |
457 | return; | |
458 | } | |
6b7c5b94 SP |
459 | |
460 | /* Update once a second */ | |
4097f663 | 461 | if ((now - stats->rx_fps_jiffies) < HZ) |
6b7c5b94 SP |
462 | return; |
463 | ||
3abcdeda | 464 | stats->rx_fps = (stats->rx_frags - stats->prev_rx_frags) / |
4097f663 | 465 | ((now - stats->rx_fps_jiffies) / HZ); |
6b7c5b94 | 466 | |
4097f663 | 467 | stats->rx_fps_jiffies = now; |
3abcdeda SP |
468 | stats->prev_rx_frags = stats->rx_frags; |
469 | eqd = stats->rx_fps / 110000; | |
6b7c5b94 SP |
470 | eqd = eqd << 3; |
471 | if (eqd > rx_eq->max_eqd) | |
472 | eqd = rx_eq->max_eqd; | |
473 | if (eqd < rx_eq->min_eqd) | |
474 | eqd = rx_eq->min_eqd; | |
475 | if (eqd < 10) | |
476 | eqd = 0; | |
477 | if (eqd != rx_eq->cur_eqd) | |
8788fdc2 | 478 | be_cmd_modify_eqd(adapter, rx_eq->q.id, eqd); |
6b7c5b94 SP |
479 | |
480 | rx_eq->cur_eqd = eqd; | |
481 | } | |
482 | ||
65f71b8b SH |
483 | static u32 be_calc_rate(u64 bytes, unsigned long ticks) |
484 | { | |
485 | u64 rate = bytes; | |
486 | ||
487 | do_div(rate, ticks / HZ); | |
488 | rate <<= 3; /* bytes/sec -> bits/sec */ | |
489 | do_div(rate, 1000000ul); /* MB/Sec */ | |
490 | ||
491 | return rate; | |
492 | } | |
493 | ||
4097f663 SP |
494 | static void be_tx_rate_update(struct be_adapter *adapter) |
495 | { | |
3abcdeda | 496 | struct be_tx_stats *stats = tx_stats(adapter); |
4097f663 SP |
497 | ulong now = jiffies; |
498 | ||
499 | /* Wrapped around? */ | |
500 | if (time_before(now, stats->be_tx_jiffies)) { | |
501 | stats->be_tx_jiffies = now; | |
502 | return; | |
503 | } | |
504 | ||
505 | /* Update tx rate once in two seconds */ | |
506 | if ((now - stats->be_tx_jiffies) > 2 * HZ) { | |
65f71b8b SH |
507 | stats->be_tx_rate = be_calc_rate(stats->be_tx_bytes |
508 | - stats->be_tx_bytes_prev, | |
509 | now - stats->be_tx_jiffies); | |
4097f663 SP |
510 | stats->be_tx_jiffies = now; |
511 | stats->be_tx_bytes_prev = stats->be_tx_bytes; | |
512 | } | |
513 | } | |
514 | ||
6b7c5b94 | 515 | static void be_tx_stats_update(struct be_adapter *adapter, |
91992e44 | 516 | u32 wrb_cnt, u32 copied, u32 gso_segs, bool stopped) |
6b7c5b94 | 517 | { |
3abcdeda | 518 | struct be_tx_stats *stats = tx_stats(adapter); |
6b7c5b94 SP |
519 | stats->be_tx_reqs++; |
520 | stats->be_tx_wrbs += wrb_cnt; | |
521 | stats->be_tx_bytes += copied; | |
91992e44 | 522 | stats->be_tx_pkts += (gso_segs ? gso_segs : 1); |
6b7c5b94 SP |
523 | if (stopped) |
524 | stats->be_tx_stops++; | |
6b7c5b94 SP |
525 | } |
526 | ||
527 | /* Determine number of WRB entries needed to xmit data in an skb */ | |
fe6d2a38 SP |
528 | static u32 wrb_cnt_for_skb(struct be_adapter *adapter, struct sk_buff *skb, |
529 | bool *dummy) | |
6b7c5b94 | 530 | { |
ebc8d2ab DM |
531 | int cnt = (skb->len > skb->data_len); |
532 | ||
533 | cnt += skb_shinfo(skb)->nr_frags; | |
534 | ||
6b7c5b94 SP |
535 | /* to account for hdr wrb */ |
536 | cnt++; | |
fe6d2a38 SP |
537 | if (lancer_chip(adapter) || !(cnt & 1)) { |
538 | *dummy = false; | |
539 | } else { | |
6b7c5b94 SP |
540 | /* add a dummy to make it an even num */ |
541 | cnt++; | |
542 | *dummy = true; | |
fe6d2a38 | 543 | } |
6b7c5b94 SP |
544 | BUG_ON(cnt > BE_MAX_TX_FRAG_COUNT); |
545 | return cnt; | |
546 | } | |
547 | ||
548 | static inline void wrb_fill(struct be_eth_wrb *wrb, u64 addr, int len) | |
549 | { | |
550 | wrb->frag_pa_hi = upper_32_bits(addr); | |
551 | wrb->frag_pa_lo = addr & 0xFFFFFFFF; | |
552 | wrb->frag_len = len & ETH_WRB_FRAG_LEN_MASK; | |
553 | } | |
554 | ||
cc4ce020 SK |
555 | static void wrb_fill_hdr(struct be_adapter *adapter, struct be_eth_hdr_wrb *hdr, |
556 | struct sk_buff *skb, u32 wrb_cnt, u32 len) | |
6b7c5b94 | 557 | { |
cc4ce020 SK |
558 | u8 vlan_prio = 0; |
559 | u16 vlan_tag = 0; | |
560 | ||
6b7c5b94 SP |
561 | memset(hdr, 0, sizeof(*hdr)); |
562 | ||
563 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, crc, hdr, 1); | |
564 | ||
49e4b847 | 565 | if (skb_is_gso(skb)) { |
6b7c5b94 SP |
566 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, lso, hdr, 1); |
567 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, lso_mss, | |
568 | hdr, skb_shinfo(skb)->gso_size); | |
fe6d2a38 | 569 | if (skb_is_gso_v6(skb) && !lancer_chip(adapter)) |
49e4b847 | 570 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, lso6, hdr, 1); |
fe6d2a38 SP |
571 | if (lancer_chip(adapter) && adapter->sli_family == |
572 | LANCER_A0_SLI_FAMILY) { | |
573 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, ipcs, hdr, 1); | |
574 | if (is_tcp_pkt(skb)) | |
575 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, | |
576 | tcpcs, hdr, 1); | |
577 | else if (is_udp_pkt(skb)) | |
578 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, | |
579 | udpcs, hdr, 1); | |
580 | } | |
6b7c5b94 SP |
581 | } else if (skb->ip_summed == CHECKSUM_PARTIAL) { |
582 | if (is_tcp_pkt(skb)) | |
583 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, tcpcs, hdr, 1); | |
584 | else if (is_udp_pkt(skb)) | |
585 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, udpcs, hdr, 1); | |
586 | } | |
587 | ||
cc4ce020 | 588 | if (adapter->vlan_grp && vlan_tx_tag_present(skb)) { |
6b7c5b94 | 589 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, vlan, hdr, 1); |
cc4ce020 SK |
590 | vlan_tag = vlan_tx_tag_get(skb); |
591 | vlan_prio = (vlan_tag & VLAN_PRIO_MASK) >> VLAN_PRIO_SHIFT; | |
592 | /* If vlan priority provided by OS is NOT in available bmap */ | |
593 | if (!(adapter->vlan_prio_bmap & (1 << vlan_prio))) | |
594 | vlan_tag = (vlan_tag & ~VLAN_PRIO_MASK) | | |
595 | adapter->recommended_prio; | |
596 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, vlan_tag, hdr, vlan_tag); | |
6b7c5b94 SP |
597 | } |
598 | ||
599 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, event, hdr, 1); | |
600 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, complete, hdr, 1); | |
601 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, num_wrb, hdr, wrb_cnt); | |
602 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, len, hdr, len); | |
603 | } | |
604 | ||
2b7bcebf | 605 | static void unmap_tx_frag(struct device *dev, struct be_eth_wrb *wrb, |
7101e111 SP |
606 | bool unmap_single) |
607 | { | |
608 | dma_addr_t dma; | |
609 | ||
610 | be_dws_le_to_cpu(wrb, sizeof(*wrb)); | |
611 | ||
612 | dma = (u64)wrb->frag_pa_hi << 32 | (u64)wrb->frag_pa_lo; | |
b681ee77 | 613 | if (wrb->frag_len) { |
7101e111 | 614 | if (unmap_single) |
2b7bcebf IV |
615 | dma_unmap_single(dev, dma, wrb->frag_len, |
616 | DMA_TO_DEVICE); | |
7101e111 | 617 | else |
2b7bcebf | 618 | dma_unmap_page(dev, dma, wrb->frag_len, DMA_TO_DEVICE); |
7101e111 SP |
619 | } |
620 | } | |
6b7c5b94 SP |
621 | |
622 | static int make_tx_wrbs(struct be_adapter *adapter, | |
623 | struct sk_buff *skb, u32 wrb_cnt, bool dummy_wrb) | |
624 | { | |
7101e111 SP |
625 | dma_addr_t busaddr; |
626 | int i, copied = 0; | |
2b7bcebf | 627 | struct device *dev = &adapter->pdev->dev; |
6b7c5b94 SP |
628 | struct sk_buff *first_skb = skb; |
629 | struct be_queue_info *txq = &adapter->tx_obj.q; | |
630 | struct be_eth_wrb *wrb; | |
631 | struct be_eth_hdr_wrb *hdr; | |
7101e111 SP |
632 | bool map_single = false; |
633 | u16 map_head; | |
6b7c5b94 | 634 | |
6b7c5b94 SP |
635 | hdr = queue_head_node(txq); |
636 | queue_head_inc(txq); | |
7101e111 | 637 | map_head = txq->head; |
6b7c5b94 | 638 | |
ebc8d2ab | 639 | if (skb->len > skb->data_len) { |
e743d313 | 640 | int len = skb_headlen(skb); |
2b7bcebf IV |
641 | busaddr = dma_map_single(dev, skb->data, len, DMA_TO_DEVICE); |
642 | if (dma_mapping_error(dev, busaddr)) | |
7101e111 SP |
643 | goto dma_err; |
644 | map_single = true; | |
ebc8d2ab DM |
645 | wrb = queue_head_node(txq); |
646 | wrb_fill(wrb, busaddr, len); | |
647 | be_dws_cpu_to_le(wrb, sizeof(*wrb)); | |
648 | queue_head_inc(txq); | |
649 | copied += len; | |
650 | } | |
6b7c5b94 | 651 | |
ebc8d2ab DM |
652 | for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { |
653 | struct skb_frag_struct *frag = | |
654 | &skb_shinfo(skb)->frags[i]; | |
2b7bcebf IV |
655 | busaddr = dma_map_page(dev, frag->page, frag->page_offset, |
656 | frag->size, DMA_TO_DEVICE); | |
657 | if (dma_mapping_error(dev, busaddr)) | |
7101e111 | 658 | goto dma_err; |
ebc8d2ab DM |
659 | wrb = queue_head_node(txq); |
660 | wrb_fill(wrb, busaddr, frag->size); | |
661 | be_dws_cpu_to_le(wrb, sizeof(*wrb)); | |
662 | queue_head_inc(txq); | |
663 | copied += frag->size; | |
6b7c5b94 SP |
664 | } |
665 | ||
666 | if (dummy_wrb) { | |
667 | wrb = queue_head_node(txq); | |
668 | wrb_fill(wrb, 0, 0); | |
669 | be_dws_cpu_to_le(wrb, sizeof(*wrb)); | |
670 | queue_head_inc(txq); | |
671 | } | |
672 | ||
cc4ce020 | 673 | wrb_fill_hdr(adapter, hdr, first_skb, wrb_cnt, copied); |
6b7c5b94 SP |
674 | be_dws_cpu_to_le(hdr, sizeof(*hdr)); |
675 | ||
676 | return copied; | |
7101e111 SP |
677 | dma_err: |
678 | txq->head = map_head; | |
679 | while (copied) { | |
680 | wrb = queue_head_node(txq); | |
2b7bcebf | 681 | unmap_tx_frag(dev, wrb, map_single); |
7101e111 SP |
682 | map_single = false; |
683 | copied -= wrb->frag_len; | |
684 | queue_head_inc(txq); | |
685 | } | |
686 | return 0; | |
6b7c5b94 SP |
687 | } |
688 | ||
61357325 | 689 | static netdev_tx_t be_xmit(struct sk_buff *skb, |
b31c50a7 | 690 | struct net_device *netdev) |
6b7c5b94 SP |
691 | { |
692 | struct be_adapter *adapter = netdev_priv(netdev); | |
693 | struct be_tx_obj *tx_obj = &adapter->tx_obj; | |
694 | struct be_queue_info *txq = &tx_obj->q; | |
695 | u32 wrb_cnt = 0, copied = 0; | |
696 | u32 start = txq->head; | |
697 | bool dummy_wrb, stopped = false; | |
698 | ||
fe6d2a38 | 699 | wrb_cnt = wrb_cnt_for_skb(adapter, skb, &dummy_wrb); |
6b7c5b94 SP |
700 | |
701 | copied = make_tx_wrbs(adapter, skb, wrb_cnt, dummy_wrb); | |
c190e3c8 AK |
702 | if (copied) { |
703 | /* record the sent skb in the sent_skb table */ | |
704 | BUG_ON(tx_obj->sent_skb_list[start]); | |
705 | tx_obj->sent_skb_list[start] = skb; | |
706 | ||
707 | /* Ensure txq has space for the next skb; Else stop the queue | |
708 | * *BEFORE* ringing the tx doorbell, so that we serialze the | |
709 | * tx compls of the current transmit which'll wake up the queue | |
710 | */ | |
7101e111 | 711 | atomic_add(wrb_cnt, &txq->used); |
c190e3c8 AK |
712 | if ((BE_MAX_TX_FRAG_COUNT + atomic_read(&txq->used)) >= |
713 | txq->len) { | |
714 | netif_stop_queue(netdev); | |
715 | stopped = true; | |
716 | } | |
6b7c5b94 | 717 | |
c190e3c8 | 718 | be_txq_notify(adapter, txq->id, wrb_cnt); |
6b7c5b94 | 719 | |
91992e44 AK |
720 | be_tx_stats_update(adapter, wrb_cnt, copied, |
721 | skb_shinfo(skb)->gso_segs, stopped); | |
c190e3c8 AK |
722 | } else { |
723 | txq->head = start; | |
724 | dev_kfree_skb_any(skb); | |
6b7c5b94 | 725 | } |
6b7c5b94 SP |
726 | return NETDEV_TX_OK; |
727 | } | |
728 | ||
729 | static int be_change_mtu(struct net_device *netdev, int new_mtu) | |
730 | { | |
731 | struct be_adapter *adapter = netdev_priv(netdev); | |
732 | if (new_mtu < BE_MIN_MTU || | |
34a89b8c AK |
733 | new_mtu > (BE_MAX_JUMBO_FRAME_SIZE - |
734 | (ETH_HLEN + ETH_FCS_LEN))) { | |
6b7c5b94 SP |
735 | dev_info(&adapter->pdev->dev, |
736 | "MTU must be between %d and %d bytes\n", | |
34a89b8c AK |
737 | BE_MIN_MTU, |
738 | (BE_MAX_JUMBO_FRAME_SIZE - (ETH_HLEN + ETH_FCS_LEN))); | |
6b7c5b94 SP |
739 | return -EINVAL; |
740 | } | |
741 | dev_info(&adapter->pdev->dev, "MTU changed from %d to %d bytes\n", | |
742 | netdev->mtu, new_mtu); | |
743 | netdev->mtu = new_mtu; | |
744 | return 0; | |
745 | } | |
746 | ||
747 | /* | |
82903e4b AK |
748 | * A max of 64 (BE_NUM_VLANS_SUPPORTED) vlans can be configured in BE. |
749 | * If the user configures more, place BE in vlan promiscuous mode. | |
6b7c5b94 | 750 | */ |
1da87b7f | 751 | static int be_vid_config(struct be_adapter *adapter, bool vf, u32 vf_num) |
6b7c5b94 | 752 | { |
6b7c5b94 SP |
753 | u16 vtag[BE_NUM_VLANS_SUPPORTED]; |
754 | u16 ntags = 0, i; | |
82903e4b | 755 | int status = 0; |
1da87b7f AK |
756 | u32 if_handle; |
757 | ||
758 | if (vf) { | |
759 | if_handle = adapter->vf_cfg[vf_num].vf_if_handle; | |
760 | vtag[0] = cpu_to_le16(adapter->vf_cfg[vf_num].vf_vlan_tag); | |
761 | status = be_cmd_vlan_config(adapter, if_handle, vtag, 1, 1, 0); | |
762 | } | |
6b7c5b94 | 763 | |
82903e4b | 764 | if (adapter->vlans_added <= adapter->max_vlans) { |
6b7c5b94 | 765 | /* Construct VLAN Table to give to HW */ |
b738127d | 766 | for (i = 0; i < VLAN_N_VID; i++) { |
6b7c5b94 SP |
767 | if (adapter->vlan_tag[i]) { |
768 | vtag[ntags] = cpu_to_le16(i); | |
769 | ntags++; | |
770 | } | |
771 | } | |
b31c50a7 SP |
772 | status = be_cmd_vlan_config(adapter, adapter->if_handle, |
773 | vtag, ntags, 1, 0); | |
6b7c5b94 | 774 | } else { |
b31c50a7 SP |
775 | status = be_cmd_vlan_config(adapter, adapter->if_handle, |
776 | NULL, 0, 1, 1); | |
6b7c5b94 | 777 | } |
1da87b7f | 778 | |
b31c50a7 | 779 | return status; |
6b7c5b94 SP |
780 | } |
781 | ||
782 | static void be_vlan_register(struct net_device *netdev, struct vlan_group *grp) | |
783 | { | |
784 | struct be_adapter *adapter = netdev_priv(netdev); | |
6b7c5b94 | 785 | |
6b7c5b94 | 786 | adapter->vlan_grp = grp; |
6b7c5b94 SP |
787 | } |
788 | ||
789 | static void be_vlan_add_vid(struct net_device *netdev, u16 vid) | |
790 | { | |
791 | struct be_adapter *adapter = netdev_priv(netdev); | |
792 | ||
1da87b7f | 793 | adapter->vlans_added++; |
ba343c77 SB |
794 | if (!be_physfn(adapter)) |
795 | return; | |
796 | ||
6b7c5b94 | 797 | adapter->vlan_tag[vid] = 1; |
82903e4b | 798 | if (adapter->vlans_added <= (adapter->max_vlans + 1)) |
1da87b7f | 799 | be_vid_config(adapter, false, 0); |
6b7c5b94 SP |
800 | } |
801 | ||
802 | static void be_vlan_rem_vid(struct net_device *netdev, u16 vid) | |
803 | { | |
804 | struct be_adapter *adapter = netdev_priv(netdev); | |
805 | ||
1da87b7f AK |
806 | adapter->vlans_added--; |
807 | vlan_group_set_device(adapter->vlan_grp, vid, NULL); | |
808 | ||
ba343c77 SB |
809 | if (!be_physfn(adapter)) |
810 | return; | |
811 | ||
6b7c5b94 | 812 | adapter->vlan_tag[vid] = 0; |
82903e4b | 813 | if (adapter->vlans_added <= adapter->max_vlans) |
1da87b7f | 814 | be_vid_config(adapter, false, 0); |
6b7c5b94 SP |
815 | } |
816 | ||
24307eef | 817 | static void be_set_multicast_list(struct net_device *netdev) |
6b7c5b94 SP |
818 | { |
819 | struct be_adapter *adapter = netdev_priv(netdev); | |
6b7c5b94 | 820 | |
24307eef | 821 | if (netdev->flags & IFF_PROMISC) { |
ecd0bf0f | 822 | be_cmd_promiscuous_config(adapter, true); |
24307eef SP |
823 | adapter->promiscuous = true; |
824 | goto done; | |
6b7c5b94 SP |
825 | } |
826 | ||
25985edc | 827 | /* BE was previously in promiscuous mode; disable it */ |
24307eef SP |
828 | if (adapter->promiscuous) { |
829 | adapter->promiscuous = false; | |
ecd0bf0f | 830 | be_cmd_promiscuous_config(adapter, false); |
6b7c5b94 SP |
831 | } |
832 | ||
e7b909a6 | 833 | /* Enable multicast promisc if num configured exceeds what we support */ |
4cd24eaf JP |
834 | if (netdev->flags & IFF_ALLMULTI || |
835 | netdev_mc_count(netdev) > BE_MAX_MC) { | |
0ddf477b | 836 | be_cmd_multicast_set(adapter, adapter->if_handle, NULL, |
e7b909a6 | 837 | &adapter->mc_cmd_mem); |
24307eef | 838 | goto done; |
6b7c5b94 | 839 | } |
6b7c5b94 | 840 | |
0ddf477b | 841 | be_cmd_multicast_set(adapter, adapter->if_handle, netdev, |
f31e50a8 | 842 | &adapter->mc_cmd_mem); |
24307eef SP |
843 | done: |
844 | return; | |
6b7c5b94 SP |
845 | } |
846 | ||
ba343c77 SB |
847 | static int be_set_vf_mac(struct net_device *netdev, int vf, u8 *mac) |
848 | { | |
849 | struct be_adapter *adapter = netdev_priv(netdev); | |
850 | int status; | |
851 | ||
852 | if (!adapter->sriov_enabled) | |
853 | return -EPERM; | |
854 | ||
855 | if (!is_valid_ether_addr(mac) || (vf >= num_vfs)) | |
856 | return -EINVAL; | |
857 | ||
64600ea5 AK |
858 | if (adapter->vf_cfg[vf].vf_pmac_id != BE_INVALID_PMAC_ID) |
859 | status = be_cmd_pmac_del(adapter, | |
860 | adapter->vf_cfg[vf].vf_if_handle, | |
f8617e08 | 861 | adapter->vf_cfg[vf].vf_pmac_id, vf + 1); |
ba343c77 | 862 | |
64600ea5 AK |
863 | status = be_cmd_pmac_add(adapter, mac, |
864 | adapter->vf_cfg[vf].vf_if_handle, | |
f8617e08 | 865 | &adapter->vf_cfg[vf].vf_pmac_id, vf + 1); |
64600ea5 AK |
866 | |
867 | if (status) | |
ba343c77 SB |
868 | dev_err(&adapter->pdev->dev, "MAC %pM set on VF %d Failed\n", |
869 | mac, vf); | |
64600ea5 AK |
870 | else |
871 | memcpy(adapter->vf_cfg[vf].vf_mac_addr, mac, ETH_ALEN); | |
872 | ||
ba343c77 SB |
873 | return status; |
874 | } | |
875 | ||
64600ea5 AK |
876 | static int be_get_vf_config(struct net_device *netdev, int vf, |
877 | struct ifla_vf_info *vi) | |
878 | { | |
879 | struct be_adapter *adapter = netdev_priv(netdev); | |
880 | ||
881 | if (!adapter->sriov_enabled) | |
882 | return -EPERM; | |
883 | ||
884 | if (vf >= num_vfs) | |
885 | return -EINVAL; | |
886 | ||
887 | vi->vf = vf; | |
e1d18735 | 888 | vi->tx_rate = adapter->vf_cfg[vf].vf_tx_rate; |
1da87b7f | 889 | vi->vlan = adapter->vf_cfg[vf].vf_vlan_tag; |
64600ea5 AK |
890 | vi->qos = 0; |
891 | memcpy(&vi->mac, adapter->vf_cfg[vf].vf_mac_addr, ETH_ALEN); | |
892 | ||
893 | return 0; | |
894 | } | |
895 | ||
1da87b7f AK |
896 | static int be_set_vf_vlan(struct net_device *netdev, |
897 | int vf, u16 vlan, u8 qos) | |
898 | { | |
899 | struct be_adapter *adapter = netdev_priv(netdev); | |
900 | int status = 0; | |
901 | ||
902 | if (!adapter->sriov_enabled) | |
903 | return -EPERM; | |
904 | ||
905 | if ((vf >= num_vfs) || (vlan > 4095)) | |
906 | return -EINVAL; | |
907 | ||
908 | if (vlan) { | |
909 | adapter->vf_cfg[vf].vf_vlan_tag = vlan; | |
910 | adapter->vlans_added++; | |
911 | } else { | |
912 | adapter->vf_cfg[vf].vf_vlan_tag = 0; | |
913 | adapter->vlans_added--; | |
914 | } | |
915 | ||
916 | status = be_vid_config(adapter, true, vf); | |
917 | ||
918 | if (status) | |
919 | dev_info(&adapter->pdev->dev, | |
920 | "VLAN %d config on VF %d failed\n", vlan, vf); | |
921 | return status; | |
922 | } | |
923 | ||
e1d18735 AK |
924 | static int be_set_vf_tx_rate(struct net_device *netdev, |
925 | int vf, int rate) | |
926 | { | |
927 | struct be_adapter *adapter = netdev_priv(netdev); | |
928 | int status = 0; | |
929 | ||
930 | if (!adapter->sriov_enabled) | |
931 | return -EPERM; | |
932 | ||
933 | if ((vf >= num_vfs) || (rate < 0)) | |
934 | return -EINVAL; | |
935 | ||
936 | if (rate > 10000) | |
937 | rate = 10000; | |
938 | ||
939 | adapter->vf_cfg[vf].vf_tx_rate = rate; | |
856c4012 | 940 | status = be_cmd_set_qos(adapter, rate / 10, vf + 1); |
e1d18735 AK |
941 | |
942 | if (status) | |
943 | dev_info(&adapter->pdev->dev, | |
944 | "tx rate %d on VF %d failed\n", rate, vf); | |
945 | return status; | |
946 | } | |
947 | ||
3abcdeda | 948 | static void be_rx_rate_update(struct be_rx_obj *rxo) |
6b7c5b94 | 949 | { |
3abcdeda | 950 | struct be_rx_stats *stats = &rxo->stats; |
4097f663 | 951 | ulong now = jiffies; |
6b7c5b94 | 952 | |
4097f663 | 953 | /* Wrapped around */ |
3abcdeda SP |
954 | if (time_before(now, stats->rx_jiffies)) { |
955 | stats->rx_jiffies = now; | |
4097f663 SP |
956 | return; |
957 | } | |
6b7c5b94 SP |
958 | |
959 | /* Update the rate once in two seconds */ | |
3abcdeda | 960 | if ((now - stats->rx_jiffies) < 2 * HZ) |
6b7c5b94 SP |
961 | return; |
962 | ||
3abcdeda SP |
963 | stats->rx_rate = be_calc_rate(stats->rx_bytes - stats->rx_bytes_prev, |
964 | now - stats->rx_jiffies); | |
965 | stats->rx_jiffies = now; | |
966 | stats->rx_bytes_prev = stats->rx_bytes; | |
6b7c5b94 SP |
967 | } |
968 | ||
3abcdeda | 969 | static void be_rx_stats_update(struct be_rx_obj *rxo, |
2e588f84 | 970 | struct be_rx_compl_info *rxcp) |
4097f663 | 971 | { |
3abcdeda | 972 | struct be_rx_stats *stats = &rxo->stats; |
1ef78abe | 973 | |
3abcdeda | 974 | stats->rx_compl++; |
2e588f84 SP |
975 | stats->rx_frags += rxcp->num_rcvd; |
976 | stats->rx_bytes += rxcp->pkt_size; | |
3abcdeda | 977 | stats->rx_pkts++; |
2e588f84 | 978 | if (rxcp->pkt_type == BE_MULTICAST_PACKET) |
3abcdeda | 979 | stats->rx_mcast_pkts++; |
2e588f84 SP |
980 | if (rxcp->err) |
981 | stats->rxcp_err++; | |
4097f663 SP |
982 | } |
983 | ||
2e588f84 | 984 | static inline bool csum_passed(struct be_rx_compl_info *rxcp) |
728a9972 | 985 | { |
19fad86f PR |
986 | /* L4 checksum is not reliable for non TCP/UDP packets. |
987 | * Also ignore ipcksm for ipv6 pkts */ | |
2e588f84 SP |
988 | return (rxcp->tcpf || rxcp->udpf) && rxcp->l4_csum && |
989 | (rxcp->ip_csum || rxcp->ipv6); | |
728a9972 AK |
990 | } |
991 | ||
6b7c5b94 | 992 | static struct be_rx_page_info * |
3abcdeda SP |
993 | get_rx_page_info(struct be_adapter *adapter, |
994 | struct be_rx_obj *rxo, | |
995 | u16 frag_idx) | |
6b7c5b94 SP |
996 | { |
997 | struct be_rx_page_info *rx_page_info; | |
3abcdeda | 998 | struct be_queue_info *rxq = &rxo->q; |
6b7c5b94 | 999 | |
3abcdeda | 1000 | rx_page_info = &rxo->page_info_tbl[frag_idx]; |
6b7c5b94 SP |
1001 | BUG_ON(!rx_page_info->page); |
1002 | ||
205859a2 | 1003 | if (rx_page_info->last_page_user) { |
2b7bcebf IV |
1004 | dma_unmap_page(&adapter->pdev->dev, |
1005 | dma_unmap_addr(rx_page_info, bus), | |
1006 | adapter->big_page_size, DMA_FROM_DEVICE); | |
205859a2 AK |
1007 | rx_page_info->last_page_user = false; |
1008 | } | |
6b7c5b94 SP |
1009 | |
1010 | atomic_dec(&rxq->used); | |
1011 | return rx_page_info; | |
1012 | } | |
1013 | ||
1014 | /* Throwaway the data in the Rx completion */ | |
1015 | static void be_rx_compl_discard(struct be_adapter *adapter, | |
3abcdeda | 1016 | struct be_rx_obj *rxo, |
2e588f84 | 1017 | struct be_rx_compl_info *rxcp) |
6b7c5b94 | 1018 | { |
3abcdeda | 1019 | struct be_queue_info *rxq = &rxo->q; |
6b7c5b94 | 1020 | struct be_rx_page_info *page_info; |
2e588f84 | 1021 | u16 i, num_rcvd = rxcp->num_rcvd; |
6b7c5b94 | 1022 | |
e80d9da6 | 1023 | for (i = 0; i < num_rcvd; i++) { |
2e588f84 | 1024 | page_info = get_rx_page_info(adapter, rxo, rxcp->rxq_idx); |
e80d9da6 PR |
1025 | put_page(page_info->page); |
1026 | memset(page_info, 0, sizeof(*page_info)); | |
2e588f84 | 1027 | index_inc(&rxcp->rxq_idx, rxq->len); |
6b7c5b94 SP |
1028 | } |
1029 | } | |
1030 | ||
1031 | /* | |
1032 | * skb_fill_rx_data forms a complete skb for an ether frame | |
1033 | * indicated by rxcp. | |
1034 | */ | |
3abcdeda | 1035 | static void skb_fill_rx_data(struct be_adapter *adapter, struct be_rx_obj *rxo, |
2e588f84 | 1036 | struct sk_buff *skb, struct be_rx_compl_info *rxcp) |
6b7c5b94 | 1037 | { |
3abcdeda | 1038 | struct be_queue_info *rxq = &rxo->q; |
6b7c5b94 | 1039 | struct be_rx_page_info *page_info; |
2e588f84 SP |
1040 | u16 i, j; |
1041 | u16 hdr_len, curr_frag_len, remaining; | |
6b7c5b94 | 1042 | u8 *start; |
6b7c5b94 | 1043 | |
2e588f84 | 1044 | page_info = get_rx_page_info(adapter, rxo, rxcp->rxq_idx); |
6b7c5b94 SP |
1045 | start = page_address(page_info->page) + page_info->page_offset; |
1046 | prefetch(start); | |
1047 | ||
1048 | /* Copy data in the first descriptor of this completion */ | |
2e588f84 | 1049 | curr_frag_len = min(rxcp->pkt_size, rx_frag_size); |
6b7c5b94 SP |
1050 | |
1051 | /* Copy the header portion into skb_data */ | |
2e588f84 | 1052 | hdr_len = min(BE_HDR_LEN, curr_frag_len); |
6b7c5b94 SP |
1053 | memcpy(skb->data, start, hdr_len); |
1054 | skb->len = curr_frag_len; | |
1055 | if (curr_frag_len <= BE_HDR_LEN) { /* tiny packet */ | |
1056 | /* Complete packet has now been moved to data */ | |
1057 | put_page(page_info->page); | |
1058 | skb->data_len = 0; | |
1059 | skb->tail += curr_frag_len; | |
1060 | } else { | |
1061 | skb_shinfo(skb)->nr_frags = 1; | |
1062 | skb_shinfo(skb)->frags[0].page = page_info->page; | |
1063 | skb_shinfo(skb)->frags[0].page_offset = | |
1064 | page_info->page_offset + hdr_len; | |
1065 | skb_shinfo(skb)->frags[0].size = curr_frag_len - hdr_len; | |
1066 | skb->data_len = curr_frag_len - hdr_len; | |
1067 | skb->tail += hdr_len; | |
1068 | } | |
205859a2 | 1069 | page_info->page = NULL; |
6b7c5b94 | 1070 | |
2e588f84 SP |
1071 | if (rxcp->pkt_size <= rx_frag_size) { |
1072 | BUG_ON(rxcp->num_rcvd != 1); | |
1073 | return; | |
6b7c5b94 SP |
1074 | } |
1075 | ||
1076 | /* More frags present for this completion */ | |
2e588f84 SP |
1077 | index_inc(&rxcp->rxq_idx, rxq->len); |
1078 | remaining = rxcp->pkt_size - curr_frag_len; | |
1079 | for (i = 1, j = 0; i < rxcp->num_rcvd; i++) { | |
1080 | page_info = get_rx_page_info(adapter, rxo, rxcp->rxq_idx); | |
1081 | curr_frag_len = min(remaining, rx_frag_size); | |
6b7c5b94 | 1082 | |
bd46cb6c AK |
1083 | /* Coalesce all frags from the same physical page in one slot */ |
1084 | if (page_info->page_offset == 0) { | |
1085 | /* Fresh page */ | |
1086 | j++; | |
1087 | skb_shinfo(skb)->frags[j].page = page_info->page; | |
1088 | skb_shinfo(skb)->frags[j].page_offset = | |
1089 | page_info->page_offset; | |
1090 | skb_shinfo(skb)->frags[j].size = 0; | |
1091 | skb_shinfo(skb)->nr_frags++; | |
1092 | } else { | |
1093 | put_page(page_info->page); | |
1094 | } | |
1095 | ||
1096 | skb_shinfo(skb)->frags[j].size += curr_frag_len; | |
6b7c5b94 SP |
1097 | skb->len += curr_frag_len; |
1098 | skb->data_len += curr_frag_len; | |
6b7c5b94 | 1099 | |
2e588f84 SP |
1100 | remaining -= curr_frag_len; |
1101 | index_inc(&rxcp->rxq_idx, rxq->len); | |
205859a2 | 1102 | page_info->page = NULL; |
6b7c5b94 | 1103 | } |
bd46cb6c | 1104 | BUG_ON(j > MAX_SKB_FRAGS); |
6b7c5b94 SP |
1105 | } |
1106 | ||
5be93b9a | 1107 | /* Process the RX completion indicated by rxcp when GRO is disabled */ |
6b7c5b94 | 1108 | static void be_rx_compl_process(struct be_adapter *adapter, |
3abcdeda | 1109 | struct be_rx_obj *rxo, |
2e588f84 | 1110 | struct be_rx_compl_info *rxcp) |
6b7c5b94 | 1111 | { |
6332c8d3 | 1112 | struct net_device *netdev = adapter->netdev; |
6b7c5b94 | 1113 | struct sk_buff *skb; |
89420424 | 1114 | |
6332c8d3 | 1115 | skb = netdev_alloc_skb_ip_align(netdev, BE_HDR_LEN); |
a058a632 | 1116 | if (unlikely(!skb)) { |
6b7c5b94 SP |
1117 | if (net_ratelimit()) |
1118 | dev_warn(&adapter->pdev->dev, "skb alloc failed\n"); | |
3abcdeda | 1119 | be_rx_compl_discard(adapter, rxo, rxcp); |
6b7c5b94 SP |
1120 | return; |
1121 | } | |
1122 | ||
2e588f84 | 1123 | skb_fill_rx_data(adapter, rxo, skb, rxcp); |
6b7c5b94 | 1124 | |
6332c8d3 | 1125 | if (likely((netdev->features & NETIF_F_RXCSUM) && csum_passed(rxcp))) |
728a9972 | 1126 | skb->ip_summed = CHECKSUM_UNNECESSARY; |
c6ce2f4b SK |
1127 | else |
1128 | skb_checksum_none_assert(skb); | |
6b7c5b94 SP |
1129 | |
1130 | skb->truesize = skb->len + sizeof(struct sk_buff); | |
6332c8d3 | 1131 | skb->protocol = eth_type_trans(skb, netdev); |
4b972914 AK |
1132 | if (adapter->netdev->features & NETIF_F_RXHASH) |
1133 | skb->rxhash = rxcp->rss_hash; | |
1134 | ||
6b7c5b94 | 1135 | |
2e588f84 | 1136 | if (unlikely(rxcp->vlanf)) { |
82903e4b | 1137 | if (!adapter->vlan_grp || adapter->vlans_added == 0) { |
6b7c5b94 SP |
1138 | kfree_skb(skb); |
1139 | return; | |
1140 | } | |
6709d952 SK |
1141 | vlan_hwaccel_receive_skb(skb, adapter->vlan_grp, |
1142 | rxcp->vlan_tag); | |
6b7c5b94 SP |
1143 | } else { |
1144 | netif_receive_skb(skb); | |
1145 | } | |
6b7c5b94 SP |
1146 | } |
1147 | ||
5be93b9a AK |
1148 | /* Process the RX completion indicated by rxcp when GRO is enabled */ |
1149 | static void be_rx_compl_process_gro(struct be_adapter *adapter, | |
3abcdeda | 1150 | struct be_rx_obj *rxo, |
2e588f84 | 1151 | struct be_rx_compl_info *rxcp) |
6b7c5b94 SP |
1152 | { |
1153 | struct be_rx_page_info *page_info; | |
5be93b9a | 1154 | struct sk_buff *skb = NULL; |
3abcdeda SP |
1155 | struct be_queue_info *rxq = &rxo->q; |
1156 | struct be_eq_obj *eq_obj = &rxo->rx_eq; | |
2e588f84 SP |
1157 | u16 remaining, curr_frag_len; |
1158 | u16 i, j; | |
3968fa1e | 1159 | |
5be93b9a AK |
1160 | skb = napi_get_frags(&eq_obj->napi); |
1161 | if (!skb) { | |
3abcdeda | 1162 | be_rx_compl_discard(adapter, rxo, rxcp); |
5be93b9a AK |
1163 | return; |
1164 | } | |
1165 | ||
2e588f84 SP |
1166 | remaining = rxcp->pkt_size; |
1167 | for (i = 0, j = -1; i < rxcp->num_rcvd; i++) { | |
1168 | page_info = get_rx_page_info(adapter, rxo, rxcp->rxq_idx); | |
6b7c5b94 SP |
1169 | |
1170 | curr_frag_len = min(remaining, rx_frag_size); | |
1171 | ||
bd46cb6c AK |
1172 | /* Coalesce all frags from the same physical page in one slot */ |
1173 | if (i == 0 || page_info->page_offset == 0) { | |
1174 | /* First frag or Fresh page */ | |
1175 | j++; | |
5be93b9a AK |
1176 | skb_shinfo(skb)->frags[j].page = page_info->page; |
1177 | skb_shinfo(skb)->frags[j].page_offset = | |
1178 | page_info->page_offset; | |
1179 | skb_shinfo(skb)->frags[j].size = 0; | |
bd46cb6c AK |
1180 | } else { |
1181 | put_page(page_info->page); | |
1182 | } | |
5be93b9a | 1183 | skb_shinfo(skb)->frags[j].size += curr_frag_len; |
6b7c5b94 | 1184 | |
bd46cb6c | 1185 | remaining -= curr_frag_len; |
2e588f84 | 1186 | index_inc(&rxcp->rxq_idx, rxq->len); |
6b7c5b94 SP |
1187 | memset(page_info, 0, sizeof(*page_info)); |
1188 | } | |
bd46cb6c | 1189 | BUG_ON(j > MAX_SKB_FRAGS); |
6b7c5b94 | 1190 | |
5be93b9a | 1191 | skb_shinfo(skb)->nr_frags = j + 1; |
2e588f84 SP |
1192 | skb->len = rxcp->pkt_size; |
1193 | skb->data_len = rxcp->pkt_size; | |
1194 | skb->truesize += rxcp->pkt_size; | |
5be93b9a | 1195 | skb->ip_summed = CHECKSUM_UNNECESSARY; |
4b972914 AK |
1196 | if (adapter->netdev->features & NETIF_F_RXHASH) |
1197 | skb->rxhash = rxcp->rss_hash; | |
5be93b9a | 1198 | |
2e588f84 | 1199 | if (likely(!rxcp->vlanf)) |
5be93b9a | 1200 | napi_gro_frags(&eq_obj->napi); |
2e588f84 | 1201 | else |
6709d952 SK |
1202 | vlan_gro_frags(&eq_obj->napi, adapter->vlan_grp, |
1203 | rxcp->vlan_tag); | |
2e588f84 SP |
1204 | } |
1205 | ||
1206 | static void be_parse_rx_compl_v1(struct be_adapter *adapter, | |
1207 | struct be_eth_rx_compl *compl, | |
1208 | struct be_rx_compl_info *rxcp) | |
1209 | { | |
1210 | rxcp->pkt_size = | |
1211 | AMAP_GET_BITS(struct amap_eth_rx_compl_v1, pktsize, compl); | |
1212 | rxcp->vlanf = AMAP_GET_BITS(struct amap_eth_rx_compl_v1, vtp, compl); | |
1213 | rxcp->err = AMAP_GET_BITS(struct amap_eth_rx_compl_v1, err, compl); | |
1214 | rxcp->tcpf = AMAP_GET_BITS(struct amap_eth_rx_compl_v1, tcpf, compl); | |
9ecb42fd | 1215 | rxcp->udpf = AMAP_GET_BITS(struct amap_eth_rx_compl_v1, udpf, compl); |
2e588f84 SP |
1216 | rxcp->ip_csum = |
1217 | AMAP_GET_BITS(struct amap_eth_rx_compl_v1, ipcksm, compl); | |
1218 | rxcp->l4_csum = | |
1219 | AMAP_GET_BITS(struct amap_eth_rx_compl_v1, l4_cksm, compl); | |
1220 | rxcp->ipv6 = | |
1221 | AMAP_GET_BITS(struct amap_eth_rx_compl_v1, ip_version, compl); | |
1222 | rxcp->rxq_idx = | |
1223 | AMAP_GET_BITS(struct amap_eth_rx_compl_v1, fragndx, compl); | |
1224 | rxcp->num_rcvd = | |
1225 | AMAP_GET_BITS(struct amap_eth_rx_compl_v1, numfrags, compl); | |
1226 | rxcp->pkt_type = | |
1227 | AMAP_GET_BITS(struct amap_eth_rx_compl_v1, cast_enc, compl); | |
4b972914 AK |
1228 | rxcp->rss_hash = |
1229 | AMAP_GET_BITS(struct amap_eth_rx_compl_v1, rsshash, rxcp); | |
15d72184 SP |
1230 | if (rxcp->vlanf) { |
1231 | rxcp->vtm = AMAP_GET_BITS(struct amap_eth_rx_compl_v1, vtm, | |
3c709f8f DM |
1232 | compl); |
1233 | rxcp->vlan_tag = AMAP_GET_BITS(struct amap_eth_rx_compl_v1, vlan_tag, | |
1234 | compl); | |
15d72184 | 1235 | } |
2e588f84 SP |
1236 | } |
1237 | ||
1238 | static void be_parse_rx_compl_v0(struct be_adapter *adapter, | |
1239 | struct be_eth_rx_compl *compl, | |
1240 | struct be_rx_compl_info *rxcp) | |
1241 | { | |
1242 | rxcp->pkt_size = | |
1243 | AMAP_GET_BITS(struct amap_eth_rx_compl_v0, pktsize, compl); | |
1244 | rxcp->vlanf = AMAP_GET_BITS(struct amap_eth_rx_compl_v0, vtp, compl); | |
1245 | rxcp->err = AMAP_GET_BITS(struct amap_eth_rx_compl_v0, err, compl); | |
1246 | rxcp->tcpf = AMAP_GET_BITS(struct amap_eth_rx_compl_v0, tcpf, compl); | |
9ecb42fd | 1247 | rxcp->udpf = AMAP_GET_BITS(struct amap_eth_rx_compl_v0, udpf, compl); |
2e588f84 SP |
1248 | rxcp->ip_csum = |
1249 | AMAP_GET_BITS(struct amap_eth_rx_compl_v0, ipcksm, compl); | |
1250 | rxcp->l4_csum = | |
1251 | AMAP_GET_BITS(struct amap_eth_rx_compl_v0, l4_cksm, compl); | |
1252 | rxcp->ipv6 = | |
1253 | AMAP_GET_BITS(struct amap_eth_rx_compl_v0, ip_version, compl); | |
1254 | rxcp->rxq_idx = | |
1255 | AMAP_GET_BITS(struct amap_eth_rx_compl_v0, fragndx, compl); | |
1256 | rxcp->num_rcvd = | |
1257 | AMAP_GET_BITS(struct amap_eth_rx_compl_v0, numfrags, compl); | |
1258 | rxcp->pkt_type = | |
1259 | AMAP_GET_BITS(struct amap_eth_rx_compl_v0, cast_enc, compl); | |
4b972914 AK |
1260 | rxcp->rss_hash = |
1261 | AMAP_GET_BITS(struct amap_eth_rx_compl_v0, rsshash, rxcp); | |
15d72184 SP |
1262 | if (rxcp->vlanf) { |
1263 | rxcp->vtm = AMAP_GET_BITS(struct amap_eth_rx_compl_v0, vtm, | |
3c709f8f DM |
1264 | compl); |
1265 | rxcp->vlan_tag = AMAP_GET_BITS(struct amap_eth_rx_compl_v0, vlan_tag, | |
1266 | compl); | |
15d72184 | 1267 | } |
2e588f84 SP |
1268 | } |
1269 | ||
1270 | static struct be_rx_compl_info *be_rx_compl_get(struct be_rx_obj *rxo) | |
1271 | { | |
1272 | struct be_eth_rx_compl *compl = queue_tail_node(&rxo->cq); | |
1273 | struct be_rx_compl_info *rxcp = &rxo->rxcp; | |
1274 | struct be_adapter *adapter = rxo->adapter; | |
6b7c5b94 | 1275 | |
2e588f84 SP |
1276 | /* For checking the valid bit it is Ok to use either definition as the |
1277 | * valid bit is at the same position in both v0 and v1 Rx compl */ | |
1278 | if (compl->dw[offsetof(struct amap_eth_rx_compl_v1, valid) / 32] == 0) | |
1279 | return NULL; | |
6b7c5b94 | 1280 | |
2e588f84 SP |
1281 | rmb(); |
1282 | be_dws_le_to_cpu(compl, sizeof(*compl)); | |
6b7c5b94 | 1283 | |
2e588f84 SP |
1284 | if (adapter->be3_native) |
1285 | be_parse_rx_compl_v1(adapter, compl, rxcp); | |
1286 | else | |
1287 | be_parse_rx_compl_v0(adapter, compl, rxcp); | |
6b7c5b94 | 1288 | |
15d72184 SP |
1289 | if (rxcp->vlanf) { |
1290 | /* vlanf could be wrongly set in some cards. | |
1291 | * ignore if vtm is not set */ | |
1292 | if ((adapter->function_mode & 0x400) && !rxcp->vtm) | |
1293 | rxcp->vlanf = 0; | |
6b7c5b94 | 1294 | |
15d72184 | 1295 | if (!lancer_chip(adapter)) |
3c709f8f | 1296 | rxcp->vlan_tag = swab16(rxcp->vlan_tag); |
6b7c5b94 | 1297 | |
3c709f8f DM |
1298 | if (((adapter->pvid & VLAN_VID_MASK) == |
1299 | (rxcp->vlan_tag & VLAN_VID_MASK)) && | |
1300 | !adapter->vlan_tag[rxcp->vlan_tag]) | |
15d72184 SP |
1301 | rxcp->vlanf = 0; |
1302 | } | |
2e588f84 SP |
1303 | |
1304 | /* As the compl has been parsed, reset it; we wont touch it again */ | |
1305 | compl->dw[offsetof(struct amap_eth_rx_compl_v1, valid) / 32] = 0; | |
6b7c5b94 | 1306 | |
3abcdeda | 1307 | queue_tail_inc(&rxo->cq); |
6b7c5b94 SP |
1308 | return rxcp; |
1309 | } | |
1310 | ||
1829b086 | 1311 | static inline struct page *be_alloc_pages(u32 size, gfp_t gfp) |
6b7c5b94 | 1312 | { |
6b7c5b94 | 1313 | u32 order = get_order(size); |
1829b086 | 1314 | |
6b7c5b94 | 1315 | if (order > 0) |
1829b086 ED |
1316 | gfp |= __GFP_COMP; |
1317 | return alloc_pages(gfp, order); | |
6b7c5b94 SP |
1318 | } |
1319 | ||
1320 | /* | |
1321 | * Allocate a page, split it to fragments of size rx_frag_size and post as | |
1322 | * receive buffers to BE | |
1323 | */ | |
1829b086 | 1324 | static void be_post_rx_frags(struct be_rx_obj *rxo, gfp_t gfp) |
6b7c5b94 | 1325 | { |
3abcdeda SP |
1326 | struct be_adapter *adapter = rxo->adapter; |
1327 | struct be_rx_page_info *page_info_tbl = rxo->page_info_tbl; | |
26d92f92 | 1328 | struct be_rx_page_info *page_info = NULL, *prev_page_info = NULL; |
3abcdeda | 1329 | struct be_queue_info *rxq = &rxo->q; |
6b7c5b94 SP |
1330 | struct page *pagep = NULL; |
1331 | struct be_eth_rx_d *rxd; | |
1332 | u64 page_dmaaddr = 0, frag_dmaaddr; | |
1333 | u32 posted, page_offset = 0; | |
1334 | ||
3abcdeda | 1335 | page_info = &rxo->page_info_tbl[rxq->head]; |
6b7c5b94 SP |
1336 | for (posted = 0; posted < MAX_RX_POST && !page_info->page; posted++) { |
1337 | if (!pagep) { | |
1829b086 | 1338 | pagep = be_alloc_pages(adapter->big_page_size, gfp); |
6b7c5b94 | 1339 | if (unlikely(!pagep)) { |
3abcdeda | 1340 | rxo->stats.rx_post_fail++; |
6b7c5b94 SP |
1341 | break; |
1342 | } | |
2b7bcebf IV |
1343 | page_dmaaddr = dma_map_page(&adapter->pdev->dev, pagep, |
1344 | 0, adapter->big_page_size, | |
1345 | DMA_FROM_DEVICE); | |
6b7c5b94 SP |
1346 | page_info->page_offset = 0; |
1347 | } else { | |
1348 | get_page(pagep); | |
1349 | page_info->page_offset = page_offset + rx_frag_size; | |
1350 | } | |
1351 | page_offset = page_info->page_offset; | |
1352 | page_info->page = pagep; | |
fac6da5b | 1353 | dma_unmap_addr_set(page_info, bus, page_dmaaddr); |
6b7c5b94 SP |
1354 | frag_dmaaddr = page_dmaaddr + page_info->page_offset; |
1355 | ||
1356 | rxd = queue_head_node(rxq); | |
1357 | rxd->fragpa_lo = cpu_to_le32(frag_dmaaddr & 0xFFFFFFFF); | |
1358 | rxd->fragpa_hi = cpu_to_le32(upper_32_bits(frag_dmaaddr)); | |
6b7c5b94 SP |
1359 | |
1360 | /* Any space left in the current big page for another frag? */ | |
1361 | if ((page_offset + rx_frag_size + rx_frag_size) > | |
1362 | adapter->big_page_size) { | |
1363 | pagep = NULL; | |
1364 | page_info->last_page_user = true; | |
1365 | } | |
26d92f92 SP |
1366 | |
1367 | prev_page_info = page_info; | |
1368 | queue_head_inc(rxq); | |
6b7c5b94 SP |
1369 | page_info = &page_info_tbl[rxq->head]; |
1370 | } | |
1371 | if (pagep) | |
26d92f92 | 1372 | prev_page_info->last_page_user = true; |
6b7c5b94 SP |
1373 | |
1374 | if (posted) { | |
6b7c5b94 | 1375 | atomic_add(posted, &rxq->used); |
8788fdc2 | 1376 | be_rxq_notify(adapter, rxq->id, posted); |
ea1dae11 SP |
1377 | } else if (atomic_read(&rxq->used) == 0) { |
1378 | /* Let be_worker replenish when memory is available */ | |
3abcdeda | 1379 | rxo->rx_post_starved = true; |
6b7c5b94 | 1380 | } |
6b7c5b94 SP |
1381 | } |
1382 | ||
5fb379ee | 1383 | static struct be_eth_tx_compl *be_tx_compl_get(struct be_queue_info *tx_cq) |
6b7c5b94 | 1384 | { |
6b7c5b94 SP |
1385 | struct be_eth_tx_compl *txcp = queue_tail_node(tx_cq); |
1386 | ||
1387 | if (txcp->dw[offsetof(struct amap_eth_tx_compl, valid) / 32] == 0) | |
1388 | return NULL; | |
1389 | ||
f3eb62d2 | 1390 | rmb(); |
6b7c5b94 SP |
1391 | be_dws_le_to_cpu(txcp, sizeof(*txcp)); |
1392 | ||
1393 | txcp->dw[offsetof(struct amap_eth_tx_compl, valid) / 32] = 0; | |
1394 | ||
1395 | queue_tail_inc(tx_cq); | |
1396 | return txcp; | |
1397 | } | |
1398 | ||
4d586b82 | 1399 | static u16 be_tx_compl_process(struct be_adapter *adapter, u16 last_index) |
6b7c5b94 SP |
1400 | { |
1401 | struct be_queue_info *txq = &adapter->tx_obj.q; | |
a73b796e | 1402 | struct be_eth_wrb *wrb; |
6b7c5b94 SP |
1403 | struct sk_buff **sent_skbs = adapter->tx_obj.sent_skb_list; |
1404 | struct sk_buff *sent_skb; | |
ec43b1a6 SP |
1405 | u16 cur_index, num_wrbs = 1; /* account for hdr wrb */ |
1406 | bool unmap_skb_hdr = true; | |
6b7c5b94 | 1407 | |
ec43b1a6 | 1408 | sent_skb = sent_skbs[txq->tail]; |
6b7c5b94 | 1409 | BUG_ON(!sent_skb); |
ec43b1a6 SP |
1410 | sent_skbs[txq->tail] = NULL; |
1411 | ||
1412 | /* skip header wrb */ | |
a73b796e | 1413 | queue_tail_inc(txq); |
6b7c5b94 | 1414 | |
ec43b1a6 | 1415 | do { |
6b7c5b94 | 1416 | cur_index = txq->tail; |
a73b796e | 1417 | wrb = queue_tail_node(txq); |
2b7bcebf IV |
1418 | unmap_tx_frag(&adapter->pdev->dev, wrb, |
1419 | (unmap_skb_hdr && skb_headlen(sent_skb))); | |
ec43b1a6 SP |
1420 | unmap_skb_hdr = false; |
1421 | ||
6b7c5b94 SP |
1422 | num_wrbs++; |
1423 | queue_tail_inc(txq); | |
ec43b1a6 | 1424 | } while (cur_index != last_index); |
6b7c5b94 | 1425 | |
6b7c5b94 | 1426 | kfree_skb(sent_skb); |
4d586b82 | 1427 | return num_wrbs; |
6b7c5b94 SP |
1428 | } |
1429 | ||
859b1e4e SP |
1430 | static inline struct be_eq_entry *event_get(struct be_eq_obj *eq_obj) |
1431 | { | |
1432 | struct be_eq_entry *eqe = queue_tail_node(&eq_obj->q); | |
1433 | ||
1434 | if (!eqe->evt) | |
1435 | return NULL; | |
1436 | ||
f3eb62d2 | 1437 | rmb(); |
859b1e4e SP |
1438 | eqe->evt = le32_to_cpu(eqe->evt); |
1439 | queue_tail_inc(&eq_obj->q); | |
1440 | return eqe; | |
1441 | } | |
1442 | ||
1443 | static int event_handle(struct be_adapter *adapter, | |
1444 | struct be_eq_obj *eq_obj) | |
1445 | { | |
1446 | struct be_eq_entry *eqe; | |
1447 | u16 num = 0; | |
1448 | ||
1449 | while ((eqe = event_get(eq_obj)) != NULL) { | |
1450 | eqe->evt = 0; | |
1451 | num++; | |
1452 | } | |
1453 | ||
1454 | /* Deal with any spurious interrupts that come | |
1455 | * without events | |
1456 | */ | |
1457 | be_eq_notify(adapter, eq_obj->q.id, true, true, num); | |
1458 | if (num) | |
1459 | napi_schedule(&eq_obj->napi); | |
1460 | ||
1461 | return num; | |
1462 | } | |
1463 | ||
1464 | /* Just read and notify events without processing them. | |
1465 | * Used at the time of destroying event queues */ | |
1466 | static void be_eq_clean(struct be_adapter *adapter, | |
1467 | struct be_eq_obj *eq_obj) | |
1468 | { | |
1469 | struct be_eq_entry *eqe; | |
1470 | u16 num = 0; | |
1471 | ||
1472 | while ((eqe = event_get(eq_obj)) != NULL) { | |
1473 | eqe->evt = 0; | |
1474 | num++; | |
1475 | } | |
1476 | ||
1477 | if (num) | |
1478 | be_eq_notify(adapter, eq_obj->q.id, false, true, num); | |
1479 | } | |
1480 | ||
3abcdeda | 1481 | static void be_rx_q_clean(struct be_adapter *adapter, struct be_rx_obj *rxo) |
6b7c5b94 SP |
1482 | { |
1483 | struct be_rx_page_info *page_info; | |
3abcdeda SP |
1484 | struct be_queue_info *rxq = &rxo->q; |
1485 | struct be_queue_info *rx_cq = &rxo->cq; | |
2e588f84 | 1486 | struct be_rx_compl_info *rxcp; |
6b7c5b94 SP |
1487 | u16 tail; |
1488 | ||
1489 | /* First cleanup pending rx completions */ | |
3abcdeda SP |
1490 | while ((rxcp = be_rx_compl_get(rxo)) != NULL) { |
1491 | be_rx_compl_discard(adapter, rxo, rxcp); | |
64642811 | 1492 | be_cq_notify(adapter, rx_cq->id, false, 1); |
6b7c5b94 SP |
1493 | } |
1494 | ||
1495 | /* Then free posted rx buffer that were not used */ | |
1496 | tail = (rxq->head + rxq->len - atomic_read(&rxq->used)) % rxq->len; | |
cdab23b7 | 1497 | for (; atomic_read(&rxq->used) > 0; index_inc(&tail, rxq->len)) { |
3abcdeda | 1498 | page_info = get_rx_page_info(adapter, rxo, tail); |
6b7c5b94 SP |
1499 | put_page(page_info->page); |
1500 | memset(page_info, 0, sizeof(*page_info)); | |
1501 | } | |
1502 | BUG_ON(atomic_read(&rxq->used)); | |
1503 | } | |
1504 | ||
a8e9179a | 1505 | static void be_tx_compl_clean(struct be_adapter *adapter) |
6b7c5b94 | 1506 | { |
a8e9179a | 1507 | struct be_queue_info *tx_cq = &adapter->tx_obj.cq; |
6b7c5b94 | 1508 | struct be_queue_info *txq = &adapter->tx_obj.q; |
a8e9179a | 1509 | struct be_eth_tx_compl *txcp; |
4d586b82 | 1510 | u16 end_idx, cmpl = 0, timeo = 0, num_wrbs = 0; |
b03388d6 SP |
1511 | struct sk_buff **sent_skbs = adapter->tx_obj.sent_skb_list; |
1512 | struct sk_buff *sent_skb; | |
1513 | bool dummy_wrb; | |
a8e9179a SP |
1514 | |
1515 | /* Wait for a max of 200ms for all the tx-completions to arrive. */ | |
1516 | do { | |
1517 | while ((txcp = be_tx_compl_get(tx_cq))) { | |
1518 | end_idx = AMAP_GET_BITS(struct amap_eth_tx_compl, | |
1519 | wrb_index, txcp); | |
4d586b82 | 1520 | num_wrbs += be_tx_compl_process(adapter, end_idx); |
a8e9179a SP |
1521 | cmpl++; |
1522 | } | |
1523 | if (cmpl) { | |
1524 | be_cq_notify(adapter, tx_cq->id, false, cmpl); | |
4d586b82 | 1525 | atomic_sub(num_wrbs, &txq->used); |
a8e9179a | 1526 | cmpl = 0; |
4d586b82 | 1527 | num_wrbs = 0; |
a8e9179a SP |
1528 | } |
1529 | ||
1530 | if (atomic_read(&txq->used) == 0 || ++timeo > 200) | |
1531 | break; | |
1532 | ||
1533 | mdelay(1); | |
1534 | } while (true); | |
1535 | ||
1536 | if (atomic_read(&txq->used)) | |
1537 | dev_err(&adapter->pdev->dev, "%d pending tx-completions\n", | |
1538 | atomic_read(&txq->used)); | |
b03388d6 SP |
1539 | |
1540 | /* free posted tx for which compls will never arrive */ | |
1541 | while (atomic_read(&txq->used)) { | |
1542 | sent_skb = sent_skbs[txq->tail]; | |
1543 | end_idx = txq->tail; | |
1544 | index_adv(&end_idx, | |
fe6d2a38 SP |
1545 | wrb_cnt_for_skb(adapter, sent_skb, &dummy_wrb) - 1, |
1546 | txq->len); | |
4d586b82 PR |
1547 | num_wrbs = be_tx_compl_process(adapter, end_idx); |
1548 | atomic_sub(num_wrbs, &txq->used); | |
b03388d6 | 1549 | } |
6b7c5b94 SP |
1550 | } |
1551 | ||
5fb379ee SP |
1552 | static void be_mcc_queues_destroy(struct be_adapter *adapter) |
1553 | { | |
1554 | struct be_queue_info *q; | |
5fb379ee | 1555 | |
8788fdc2 | 1556 | q = &adapter->mcc_obj.q; |
5fb379ee | 1557 | if (q->created) |
8788fdc2 | 1558 | be_cmd_q_destroy(adapter, q, QTYPE_MCCQ); |
5fb379ee SP |
1559 | be_queue_free(adapter, q); |
1560 | ||
8788fdc2 | 1561 | q = &adapter->mcc_obj.cq; |
5fb379ee | 1562 | if (q->created) |
8788fdc2 | 1563 | be_cmd_q_destroy(adapter, q, QTYPE_CQ); |
5fb379ee SP |
1564 | be_queue_free(adapter, q); |
1565 | } | |
1566 | ||
1567 | /* Must be called only after TX qs are created as MCC shares TX EQ */ | |
1568 | static int be_mcc_queues_create(struct be_adapter *adapter) | |
1569 | { | |
1570 | struct be_queue_info *q, *cq; | |
5fb379ee SP |
1571 | |
1572 | /* Alloc MCC compl queue */ | |
8788fdc2 | 1573 | cq = &adapter->mcc_obj.cq; |
5fb379ee | 1574 | if (be_queue_alloc(adapter, cq, MCC_CQ_LEN, |
efd2e40a | 1575 | sizeof(struct be_mcc_compl))) |
5fb379ee SP |
1576 | goto err; |
1577 | ||
1578 | /* Ask BE to create MCC compl queue; share TX's eq */ | |
8788fdc2 | 1579 | if (be_cmd_cq_create(adapter, cq, &adapter->tx_eq.q, false, true, 0)) |
5fb379ee SP |
1580 | goto mcc_cq_free; |
1581 | ||
1582 | /* Alloc MCC queue */ | |
8788fdc2 | 1583 | q = &adapter->mcc_obj.q; |
5fb379ee SP |
1584 | if (be_queue_alloc(adapter, q, MCC_Q_LEN, sizeof(struct be_mcc_wrb))) |
1585 | goto mcc_cq_destroy; | |
1586 | ||
1587 | /* Ask BE to create MCC queue */ | |
8788fdc2 | 1588 | if (be_cmd_mccq_create(adapter, q, cq)) |
5fb379ee SP |
1589 | goto mcc_q_free; |
1590 | ||
1591 | return 0; | |
1592 | ||
1593 | mcc_q_free: | |
1594 | be_queue_free(adapter, q); | |
1595 | mcc_cq_destroy: | |
8788fdc2 | 1596 | be_cmd_q_destroy(adapter, cq, QTYPE_CQ); |
5fb379ee SP |
1597 | mcc_cq_free: |
1598 | be_queue_free(adapter, cq); | |
1599 | err: | |
1600 | return -1; | |
1601 | } | |
1602 | ||
6b7c5b94 SP |
1603 | static void be_tx_queues_destroy(struct be_adapter *adapter) |
1604 | { | |
1605 | struct be_queue_info *q; | |
1606 | ||
1607 | q = &adapter->tx_obj.q; | |
a8e9179a | 1608 | if (q->created) |
8788fdc2 | 1609 | be_cmd_q_destroy(adapter, q, QTYPE_TXQ); |
6b7c5b94 SP |
1610 | be_queue_free(adapter, q); |
1611 | ||
1612 | q = &adapter->tx_obj.cq; | |
1613 | if (q->created) | |
8788fdc2 | 1614 | be_cmd_q_destroy(adapter, q, QTYPE_CQ); |
6b7c5b94 SP |
1615 | be_queue_free(adapter, q); |
1616 | ||
859b1e4e SP |
1617 | /* Clear any residual events */ |
1618 | be_eq_clean(adapter, &adapter->tx_eq); | |
1619 | ||
6b7c5b94 SP |
1620 | q = &adapter->tx_eq.q; |
1621 | if (q->created) | |
8788fdc2 | 1622 | be_cmd_q_destroy(adapter, q, QTYPE_EQ); |
6b7c5b94 SP |
1623 | be_queue_free(adapter, q); |
1624 | } | |
1625 | ||
1626 | static int be_tx_queues_create(struct be_adapter *adapter) | |
1627 | { | |
1628 | struct be_queue_info *eq, *q, *cq; | |
1629 | ||
1630 | adapter->tx_eq.max_eqd = 0; | |
1631 | adapter->tx_eq.min_eqd = 0; | |
1632 | adapter->tx_eq.cur_eqd = 96; | |
1633 | adapter->tx_eq.enable_aic = false; | |
1634 | /* Alloc Tx Event queue */ | |
1635 | eq = &adapter->tx_eq.q; | |
1636 | if (be_queue_alloc(adapter, eq, EVNT_Q_LEN, sizeof(struct be_eq_entry))) | |
1637 | return -1; | |
1638 | ||
1639 | /* Ask BE to create Tx Event queue */ | |
8788fdc2 | 1640 | if (be_cmd_eq_create(adapter, eq, adapter->tx_eq.cur_eqd)) |
6b7c5b94 | 1641 | goto tx_eq_free; |
fe6d2a38 | 1642 | |
ecd62107 | 1643 | adapter->tx_eq.eq_idx = adapter->eq_next_idx++; |
fe6d2a38 | 1644 | |
ba343c77 | 1645 | |
6b7c5b94 SP |
1646 | /* Alloc TX eth compl queue */ |
1647 | cq = &adapter->tx_obj.cq; | |
1648 | if (be_queue_alloc(adapter, cq, TX_CQ_LEN, | |
1649 | sizeof(struct be_eth_tx_compl))) | |
1650 | goto tx_eq_destroy; | |
1651 | ||
1652 | /* Ask BE to create Tx eth compl queue */ | |
8788fdc2 | 1653 | if (be_cmd_cq_create(adapter, cq, eq, false, false, 3)) |
6b7c5b94 SP |
1654 | goto tx_cq_free; |
1655 | ||
1656 | /* Alloc TX eth queue */ | |
1657 | q = &adapter->tx_obj.q; | |
1658 | if (be_queue_alloc(adapter, q, TX_Q_LEN, sizeof(struct be_eth_wrb))) | |
1659 | goto tx_cq_destroy; | |
1660 | ||
1661 | /* Ask BE to create Tx eth queue */ | |
8788fdc2 | 1662 | if (be_cmd_txq_create(adapter, q, cq)) |
6b7c5b94 SP |
1663 | goto tx_q_free; |
1664 | return 0; | |
1665 | ||
1666 | tx_q_free: | |
1667 | be_queue_free(adapter, q); | |
1668 | tx_cq_destroy: | |
8788fdc2 | 1669 | be_cmd_q_destroy(adapter, cq, QTYPE_CQ); |
6b7c5b94 SP |
1670 | tx_cq_free: |
1671 | be_queue_free(adapter, cq); | |
1672 | tx_eq_destroy: | |
8788fdc2 | 1673 | be_cmd_q_destroy(adapter, eq, QTYPE_EQ); |
6b7c5b94 SP |
1674 | tx_eq_free: |
1675 | be_queue_free(adapter, eq); | |
1676 | return -1; | |
1677 | } | |
1678 | ||
1679 | static void be_rx_queues_destroy(struct be_adapter *adapter) | |
1680 | { | |
1681 | struct be_queue_info *q; | |
3abcdeda SP |
1682 | struct be_rx_obj *rxo; |
1683 | int i; | |
1684 | ||
1685 | for_all_rx_queues(adapter, rxo, i) { | |
1686 | q = &rxo->q; | |
1687 | if (q->created) { | |
1688 | be_cmd_q_destroy(adapter, q, QTYPE_RXQ); | |
1689 | /* After the rxq is invalidated, wait for a grace time | |
1690 | * of 1ms for all dma to end and the flush compl to | |
1691 | * arrive | |
1692 | */ | |
1693 | mdelay(1); | |
1694 | be_rx_q_clean(adapter, rxo); | |
1695 | } | |
1696 | be_queue_free(adapter, q); | |
1697 | ||
1698 | q = &rxo->cq; | |
1699 | if (q->created) | |
1700 | be_cmd_q_destroy(adapter, q, QTYPE_CQ); | |
1701 | be_queue_free(adapter, q); | |
1702 | ||
1703 | /* Clear any residual events */ | |
1704 | q = &rxo->rx_eq.q; | |
1705 | if (q->created) { | |
1706 | be_eq_clean(adapter, &rxo->rx_eq); | |
1707 | be_cmd_q_destroy(adapter, q, QTYPE_EQ); | |
1708 | } | |
1709 | be_queue_free(adapter, q); | |
6b7c5b94 | 1710 | } |
6b7c5b94 SP |
1711 | } |
1712 | ||
ac6a0c4a SP |
1713 | static u32 be_num_rxqs_want(struct be_adapter *adapter) |
1714 | { | |
1715 | if (multi_rxq && (adapter->function_caps & BE_FUNCTION_CAPS_RSS) && | |
1716 | !adapter->sriov_enabled && !(adapter->function_mode & 0x400)) { | |
1717 | return 1 + MAX_RSS_QS; /* one default non-RSS queue */ | |
1718 | } else { | |
1719 | dev_warn(&adapter->pdev->dev, | |
1720 | "No support for multiple RX queues\n"); | |
1721 | return 1; | |
1722 | } | |
1723 | } | |
1724 | ||
6b7c5b94 SP |
1725 | static int be_rx_queues_create(struct be_adapter *adapter) |
1726 | { | |
1727 | struct be_queue_info *eq, *q, *cq; | |
3abcdeda SP |
1728 | struct be_rx_obj *rxo; |
1729 | int rc, i; | |
6b7c5b94 | 1730 | |
ac6a0c4a SP |
1731 | adapter->num_rx_qs = min(be_num_rxqs_want(adapter), |
1732 | msix_enabled(adapter) ? | |
1733 | adapter->num_msix_vec - 1 : 1); | |
1734 | if (adapter->num_rx_qs != MAX_RX_QS) | |
1735 | dev_warn(&adapter->pdev->dev, | |
1736 | "Can create only %d RX queues", adapter->num_rx_qs); | |
1737 | ||
6b7c5b94 | 1738 | adapter->big_page_size = (1 << get_order(rx_frag_size)) * PAGE_SIZE; |
3abcdeda SP |
1739 | for_all_rx_queues(adapter, rxo, i) { |
1740 | rxo->adapter = adapter; | |
1741 | rxo->rx_eq.max_eqd = BE_MAX_EQD; | |
1742 | rxo->rx_eq.enable_aic = true; | |
1743 | ||
1744 | /* EQ */ | |
1745 | eq = &rxo->rx_eq.q; | |
1746 | rc = be_queue_alloc(adapter, eq, EVNT_Q_LEN, | |
1747 | sizeof(struct be_eq_entry)); | |
1748 | if (rc) | |
1749 | goto err; | |
1750 | ||
1751 | rc = be_cmd_eq_create(adapter, eq, rxo->rx_eq.cur_eqd); | |
1752 | if (rc) | |
1753 | goto err; | |
1754 | ||
ecd62107 | 1755 | rxo->rx_eq.eq_idx = adapter->eq_next_idx++; |
fe6d2a38 | 1756 | |
3abcdeda SP |
1757 | /* CQ */ |
1758 | cq = &rxo->cq; | |
1759 | rc = be_queue_alloc(adapter, cq, RX_CQ_LEN, | |
1760 | sizeof(struct be_eth_rx_compl)); | |
1761 | if (rc) | |
1762 | goto err; | |
1763 | ||
1764 | rc = be_cmd_cq_create(adapter, cq, eq, false, false, 3); | |
1765 | if (rc) | |
1766 | goto err; | |
3abcdeda SP |
1767 | /* Rx Q */ |
1768 | q = &rxo->q; | |
1769 | rc = be_queue_alloc(adapter, q, RX_Q_LEN, | |
1770 | sizeof(struct be_eth_rx_d)); | |
1771 | if (rc) | |
1772 | goto err; | |
1773 | ||
1774 | rc = be_cmd_rxq_create(adapter, q, cq->id, rx_frag_size, | |
1775 | BE_MAX_JUMBO_FRAME_SIZE, adapter->if_handle, | |
1776 | (i > 0) ? 1 : 0/* rss enable */, &rxo->rss_id); | |
1777 | if (rc) | |
1778 | goto err; | |
1779 | } | |
1780 | ||
1781 | if (be_multi_rxq(adapter)) { | |
1782 | u8 rsstable[MAX_RSS_QS]; | |
1783 | ||
1784 | for_all_rss_queues(adapter, rxo, i) | |
1785 | rsstable[i] = rxo->rss_id; | |
1786 | ||
1787 | rc = be_cmd_rss_config(adapter, rsstable, | |
1788 | adapter->num_rx_qs - 1); | |
1789 | if (rc) | |
1790 | goto err; | |
1791 | } | |
6b7c5b94 SP |
1792 | |
1793 | return 0; | |
3abcdeda SP |
1794 | err: |
1795 | be_rx_queues_destroy(adapter); | |
1796 | return -1; | |
6b7c5b94 | 1797 | } |
6b7c5b94 | 1798 | |
fe6d2a38 | 1799 | static bool event_peek(struct be_eq_obj *eq_obj) |
b628bde2 | 1800 | { |
fe6d2a38 SP |
1801 | struct be_eq_entry *eqe = queue_tail_node(&eq_obj->q); |
1802 | if (!eqe->evt) | |
1803 | return false; | |
1804 | else | |
1805 | return true; | |
b628bde2 SP |
1806 | } |
1807 | ||
6b7c5b94 SP |
1808 | static irqreturn_t be_intx(int irq, void *dev) |
1809 | { | |
1810 | struct be_adapter *adapter = dev; | |
3abcdeda | 1811 | struct be_rx_obj *rxo; |
fe6d2a38 | 1812 | int isr, i, tx = 0 , rx = 0; |
6b7c5b94 | 1813 | |
fe6d2a38 SP |
1814 | if (lancer_chip(adapter)) { |
1815 | if (event_peek(&adapter->tx_eq)) | |
1816 | tx = event_handle(adapter, &adapter->tx_eq); | |
1817 | for_all_rx_queues(adapter, rxo, i) { | |
1818 | if (event_peek(&rxo->rx_eq)) | |
1819 | rx |= event_handle(adapter, &rxo->rx_eq); | |
1820 | } | |
6b7c5b94 | 1821 | |
fe6d2a38 SP |
1822 | if (!(tx || rx)) |
1823 | return IRQ_NONE; | |
3abcdeda | 1824 | |
fe6d2a38 SP |
1825 | } else { |
1826 | isr = ioread32(adapter->csr + CEV_ISR0_OFFSET + | |
1827 | (adapter->tx_eq.q.id / 8) * CEV_ISR_SIZE); | |
1828 | if (!isr) | |
1829 | return IRQ_NONE; | |
1830 | ||
ecd62107 | 1831 | if ((1 << adapter->tx_eq.eq_idx & isr)) |
fe6d2a38 SP |
1832 | event_handle(adapter, &adapter->tx_eq); |
1833 | ||
1834 | for_all_rx_queues(adapter, rxo, i) { | |
ecd62107 | 1835 | if ((1 << rxo->rx_eq.eq_idx & isr)) |
fe6d2a38 SP |
1836 | event_handle(adapter, &rxo->rx_eq); |
1837 | } | |
3abcdeda | 1838 | } |
c001c213 | 1839 | |
8788fdc2 | 1840 | return IRQ_HANDLED; |
6b7c5b94 SP |
1841 | } |
1842 | ||
1843 | static irqreturn_t be_msix_rx(int irq, void *dev) | |
1844 | { | |
3abcdeda SP |
1845 | struct be_rx_obj *rxo = dev; |
1846 | struct be_adapter *adapter = rxo->adapter; | |
6b7c5b94 | 1847 | |
3abcdeda | 1848 | event_handle(adapter, &rxo->rx_eq); |
6b7c5b94 SP |
1849 | |
1850 | return IRQ_HANDLED; | |
1851 | } | |
1852 | ||
5fb379ee | 1853 | static irqreturn_t be_msix_tx_mcc(int irq, void *dev) |
6b7c5b94 SP |
1854 | { |
1855 | struct be_adapter *adapter = dev; | |
1856 | ||
8788fdc2 | 1857 | event_handle(adapter, &adapter->tx_eq); |
6b7c5b94 SP |
1858 | |
1859 | return IRQ_HANDLED; | |
1860 | } | |
1861 | ||
2e588f84 | 1862 | static inline bool do_gro(struct be_rx_compl_info *rxcp) |
6b7c5b94 | 1863 | { |
2e588f84 | 1864 | return (rxcp->tcpf && !rxcp->err) ? true : false; |
6b7c5b94 SP |
1865 | } |
1866 | ||
49b05221 | 1867 | static int be_poll_rx(struct napi_struct *napi, int budget) |
6b7c5b94 SP |
1868 | { |
1869 | struct be_eq_obj *rx_eq = container_of(napi, struct be_eq_obj, napi); | |
3abcdeda SP |
1870 | struct be_rx_obj *rxo = container_of(rx_eq, struct be_rx_obj, rx_eq); |
1871 | struct be_adapter *adapter = rxo->adapter; | |
1872 | struct be_queue_info *rx_cq = &rxo->cq; | |
2e588f84 | 1873 | struct be_rx_compl_info *rxcp; |
6b7c5b94 SP |
1874 | u32 work_done; |
1875 | ||
3abcdeda | 1876 | rxo->stats.rx_polls++; |
6b7c5b94 | 1877 | for (work_done = 0; work_done < budget; work_done++) { |
3abcdeda | 1878 | rxcp = be_rx_compl_get(rxo); |
6b7c5b94 SP |
1879 | if (!rxcp) |
1880 | break; | |
1881 | ||
e80d9da6 | 1882 | /* Ignore flush completions */ |
009dd872 | 1883 | if (rxcp->num_rcvd && rxcp->pkt_size) { |
2e588f84 | 1884 | if (do_gro(rxcp)) |
64642811 SP |
1885 | be_rx_compl_process_gro(adapter, rxo, rxcp); |
1886 | else | |
1887 | be_rx_compl_process(adapter, rxo, rxcp); | |
009dd872 PR |
1888 | } else if (rxcp->pkt_size == 0) { |
1889 | be_rx_compl_discard(adapter, rxo, rxcp); | |
64642811 | 1890 | } |
009dd872 | 1891 | |
2e588f84 | 1892 | be_rx_stats_update(rxo, rxcp); |
6b7c5b94 SP |
1893 | } |
1894 | ||
6b7c5b94 | 1895 | /* Refill the queue */ |
3abcdeda | 1896 | if (atomic_read(&rxo->q.used) < RX_FRAGS_REFILL_WM) |
1829b086 | 1897 | be_post_rx_frags(rxo, GFP_ATOMIC); |
6b7c5b94 SP |
1898 | |
1899 | /* All consumed */ | |
1900 | if (work_done < budget) { | |
1901 | napi_complete(napi); | |
8788fdc2 | 1902 | be_cq_notify(adapter, rx_cq->id, true, work_done); |
6b7c5b94 SP |
1903 | } else { |
1904 | /* More to be consumed; continue with interrupts disabled */ | |
8788fdc2 | 1905 | be_cq_notify(adapter, rx_cq->id, false, work_done); |
6b7c5b94 SP |
1906 | } |
1907 | return work_done; | |
1908 | } | |
1909 | ||
f31e50a8 SP |
1910 | /* As TX and MCC share the same EQ check for both TX and MCC completions. |
1911 | * For TX/MCC we don't honour budget; consume everything | |
1912 | */ | |
1913 | static int be_poll_tx_mcc(struct napi_struct *napi, int budget) | |
6b7c5b94 | 1914 | { |
f31e50a8 SP |
1915 | struct be_eq_obj *tx_eq = container_of(napi, struct be_eq_obj, napi); |
1916 | struct be_adapter *adapter = | |
1917 | container_of(tx_eq, struct be_adapter, tx_eq); | |
5fb379ee SP |
1918 | struct be_queue_info *txq = &adapter->tx_obj.q; |
1919 | struct be_queue_info *tx_cq = &adapter->tx_obj.cq; | |
6b7c5b94 | 1920 | struct be_eth_tx_compl *txcp; |
f31e50a8 | 1921 | int tx_compl = 0, mcc_compl, status = 0; |
4d586b82 | 1922 | u16 end_idx, num_wrbs = 0; |
6b7c5b94 | 1923 | |
5fb379ee | 1924 | while ((txcp = be_tx_compl_get(tx_cq))) { |
6b7c5b94 | 1925 | end_idx = AMAP_GET_BITS(struct amap_eth_tx_compl, |
f31e50a8 | 1926 | wrb_index, txcp); |
4d586b82 | 1927 | num_wrbs += be_tx_compl_process(adapter, end_idx); |
f31e50a8 | 1928 | tx_compl++; |
6b7c5b94 SP |
1929 | } |
1930 | ||
f31e50a8 SP |
1931 | mcc_compl = be_process_mcc(adapter, &status); |
1932 | ||
1933 | napi_complete(napi); | |
1934 | ||
1935 | if (mcc_compl) { | |
1936 | struct be_mcc_obj *mcc_obj = &adapter->mcc_obj; | |
1937 | be_cq_notify(adapter, mcc_obj->cq.id, true, mcc_compl); | |
1938 | } | |
1939 | ||
1940 | if (tx_compl) { | |
1941 | be_cq_notify(adapter, adapter->tx_obj.cq.id, true, tx_compl); | |
5fb379ee | 1942 | |
4d586b82 PR |
1943 | atomic_sub(num_wrbs, &txq->used); |
1944 | ||
5fb379ee SP |
1945 | /* As Tx wrbs have been freed up, wake up netdev queue if |
1946 | * it was stopped due to lack of tx wrbs. | |
1947 | */ | |
1948 | if (netif_queue_stopped(adapter->netdev) && | |
6b7c5b94 | 1949 | atomic_read(&txq->used) < txq->len / 2) { |
5fb379ee SP |
1950 | netif_wake_queue(adapter->netdev); |
1951 | } | |
1952 | ||
3abcdeda SP |
1953 | tx_stats(adapter)->be_tx_events++; |
1954 | tx_stats(adapter)->be_tx_compl += tx_compl; | |
6b7c5b94 | 1955 | } |
6b7c5b94 SP |
1956 | |
1957 | return 1; | |
1958 | } | |
1959 | ||
d053de91 | 1960 | void be_detect_dump_ue(struct be_adapter *adapter) |
7c185276 AK |
1961 | { |
1962 | u32 ue_status_lo, ue_status_hi, ue_status_lo_mask, ue_status_hi_mask; | |
1963 | u32 i; | |
1964 | ||
1965 | pci_read_config_dword(adapter->pdev, | |
1966 | PCICFG_UE_STATUS_LOW, &ue_status_lo); | |
1967 | pci_read_config_dword(adapter->pdev, | |
1968 | PCICFG_UE_STATUS_HIGH, &ue_status_hi); | |
1969 | pci_read_config_dword(adapter->pdev, | |
1970 | PCICFG_UE_STATUS_LOW_MASK, &ue_status_lo_mask); | |
1971 | pci_read_config_dword(adapter->pdev, | |
1972 | PCICFG_UE_STATUS_HI_MASK, &ue_status_hi_mask); | |
1973 | ||
1974 | ue_status_lo = (ue_status_lo & (~ue_status_lo_mask)); | |
1975 | ue_status_hi = (ue_status_hi & (~ue_status_hi_mask)); | |
1976 | ||
d053de91 AK |
1977 | if (ue_status_lo || ue_status_hi) { |
1978 | adapter->ue_detected = true; | |
7acc2087 | 1979 | adapter->eeh_err = true; |
d053de91 AK |
1980 | dev_err(&adapter->pdev->dev, "UE Detected!!\n"); |
1981 | } | |
1982 | ||
7c185276 AK |
1983 | if (ue_status_lo) { |
1984 | for (i = 0; ue_status_lo; ue_status_lo >>= 1, i++) { | |
1985 | if (ue_status_lo & 1) | |
1986 | dev_err(&adapter->pdev->dev, | |
1987 | "UE: %s bit set\n", ue_status_low_desc[i]); | |
1988 | } | |
1989 | } | |
1990 | if (ue_status_hi) { | |
1991 | for (i = 0; ue_status_hi; ue_status_hi >>= 1, i++) { | |
1992 | if (ue_status_hi & 1) | |
1993 | dev_err(&adapter->pdev->dev, | |
1994 | "UE: %s bit set\n", ue_status_hi_desc[i]); | |
1995 | } | |
1996 | } | |
1997 | ||
1998 | } | |
1999 | ||
ea1dae11 SP |
2000 | static void be_worker(struct work_struct *work) |
2001 | { | |
2002 | struct be_adapter *adapter = | |
2003 | container_of(work, struct be_adapter, work.work); | |
3abcdeda SP |
2004 | struct be_rx_obj *rxo; |
2005 | int i; | |
ea1dae11 | 2006 | |
16da8250 SP |
2007 | if (!adapter->ue_detected && !lancer_chip(adapter)) |
2008 | be_detect_dump_ue(adapter); | |
2009 | ||
f203af70 SK |
2010 | /* when interrupts are not yet enabled, just reap any pending |
2011 | * mcc completions */ | |
2012 | if (!netif_running(adapter->netdev)) { | |
2013 | int mcc_compl, status = 0; | |
2014 | ||
2015 | mcc_compl = be_process_mcc(adapter, &status); | |
2016 | ||
2017 | if (mcc_compl) { | |
2018 | struct be_mcc_obj *mcc_obj = &adapter->mcc_obj; | |
2019 | be_cq_notify(adapter, mcc_obj->cq.id, false, mcc_compl); | |
2020 | } | |
9b037f38 | 2021 | |
f203af70 SK |
2022 | goto reschedule; |
2023 | } | |
2024 | ||
b2aebe6d | 2025 | if (!adapter->stats_cmd_sent) |
3abcdeda | 2026 | be_cmd_get_stats(adapter, &adapter->stats_cmd); |
ea1dae11 | 2027 | |
4097f663 | 2028 | be_tx_rate_update(adapter); |
4097f663 | 2029 | |
3abcdeda SP |
2030 | for_all_rx_queues(adapter, rxo, i) { |
2031 | be_rx_rate_update(rxo); | |
2032 | be_rx_eqd_update(adapter, rxo); | |
2033 | ||
2034 | if (rxo->rx_post_starved) { | |
2035 | rxo->rx_post_starved = false; | |
1829b086 | 2036 | be_post_rx_frags(rxo, GFP_KERNEL); |
3abcdeda | 2037 | } |
ea1dae11 SP |
2038 | } |
2039 | ||
f203af70 | 2040 | reschedule: |
e74fbd03 | 2041 | adapter->work_counter++; |
ea1dae11 SP |
2042 | schedule_delayed_work(&adapter->work, msecs_to_jiffies(1000)); |
2043 | } | |
2044 | ||
8d56ff11 SP |
2045 | static void be_msix_disable(struct be_adapter *adapter) |
2046 | { | |
ac6a0c4a | 2047 | if (msix_enabled(adapter)) { |
8d56ff11 | 2048 | pci_disable_msix(adapter->pdev); |
ac6a0c4a | 2049 | adapter->num_msix_vec = 0; |
3abcdeda SP |
2050 | } |
2051 | } | |
2052 | ||
6b7c5b94 SP |
2053 | static void be_msix_enable(struct be_adapter *adapter) |
2054 | { | |
3abcdeda | 2055 | #define BE_MIN_MSIX_VECTORS (1 + 1) /* Rx + Tx */ |
ac6a0c4a | 2056 | int i, status, num_vec; |
6b7c5b94 | 2057 | |
ac6a0c4a | 2058 | num_vec = be_num_rxqs_want(adapter) + 1; |
3abcdeda | 2059 | |
ac6a0c4a | 2060 | for (i = 0; i < num_vec; i++) |
6b7c5b94 SP |
2061 | adapter->msix_entries[i].entry = i; |
2062 | ||
ac6a0c4a | 2063 | status = pci_enable_msix(adapter->pdev, adapter->msix_entries, num_vec); |
3abcdeda SP |
2064 | if (status == 0) { |
2065 | goto done; | |
2066 | } else if (status >= BE_MIN_MSIX_VECTORS) { | |
ac6a0c4a | 2067 | num_vec = status; |
3abcdeda | 2068 | if (pci_enable_msix(adapter->pdev, adapter->msix_entries, |
ac6a0c4a | 2069 | num_vec) == 0) |
3abcdeda | 2070 | goto done; |
3abcdeda SP |
2071 | } |
2072 | return; | |
2073 | done: | |
ac6a0c4a SP |
2074 | adapter->num_msix_vec = num_vec; |
2075 | return; | |
6b7c5b94 SP |
2076 | } |
2077 | ||
ba343c77 SB |
2078 | static void be_sriov_enable(struct be_adapter *adapter) |
2079 | { | |
344dbf10 | 2080 | be_check_sriov_fn_type(adapter); |
6dedec81 | 2081 | #ifdef CONFIG_PCI_IOV |
ba343c77 | 2082 | if (be_physfn(adapter) && num_vfs) { |
81be8f0a AK |
2083 | int status, pos; |
2084 | u16 nvfs; | |
2085 | ||
2086 | pos = pci_find_ext_capability(adapter->pdev, | |
2087 | PCI_EXT_CAP_ID_SRIOV); | |
2088 | pci_read_config_word(adapter->pdev, | |
2089 | pos + PCI_SRIOV_TOTAL_VF, &nvfs); | |
2090 | ||
2091 | if (num_vfs > nvfs) { | |
2092 | dev_info(&adapter->pdev->dev, | |
2093 | "Device supports %d VFs and not %d\n", | |
2094 | nvfs, num_vfs); | |
2095 | num_vfs = nvfs; | |
2096 | } | |
6dedec81 | 2097 | |
ba343c77 SB |
2098 | status = pci_enable_sriov(adapter->pdev, num_vfs); |
2099 | adapter->sriov_enabled = status ? false : true; | |
2100 | } | |
2101 | #endif | |
ba343c77 SB |
2102 | } |
2103 | ||
2104 | static void be_sriov_disable(struct be_adapter *adapter) | |
2105 | { | |
2106 | #ifdef CONFIG_PCI_IOV | |
2107 | if (adapter->sriov_enabled) { | |
2108 | pci_disable_sriov(adapter->pdev); | |
2109 | adapter->sriov_enabled = false; | |
2110 | } | |
2111 | #endif | |
2112 | } | |
2113 | ||
fe6d2a38 SP |
2114 | static inline int be_msix_vec_get(struct be_adapter *adapter, |
2115 | struct be_eq_obj *eq_obj) | |
6b7c5b94 | 2116 | { |
ecd62107 | 2117 | return adapter->msix_entries[eq_obj->eq_idx].vector; |
6b7c5b94 SP |
2118 | } |
2119 | ||
b628bde2 SP |
2120 | static int be_request_irq(struct be_adapter *adapter, |
2121 | struct be_eq_obj *eq_obj, | |
3abcdeda | 2122 | void *handler, char *desc, void *context) |
6b7c5b94 SP |
2123 | { |
2124 | struct net_device *netdev = adapter->netdev; | |
b628bde2 SP |
2125 | int vec; |
2126 | ||
2127 | sprintf(eq_obj->desc, "%s-%s", netdev->name, desc); | |
fe6d2a38 | 2128 | vec = be_msix_vec_get(adapter, eq_obj); |
3abcdeda | 2129 | return request_irq(vec, handler, 0, eq_obj->desc, context); |
b628bde2 SP |
2130 | } |
2131 | ||
3abcdeda SP |
2132 | static void be_free_irq(struct be_adapter *adapter, struct be_eq_obj *eq_obj, |
2133 | void *context) | |
b628bde2 | 2134 | { |
fe6d2a38 | 2135 | int vec = be_msix_vec_get(adapter, eq_obj); |
3abcdeda | 2136 | free_irq(vec, context); |
b628bde2 | 2137 | } |
6b7c5b94 | 2138 | |
b628bde2 SP |
2139 | static int be_msix_register(struct be_adapter *adapter) |
2140 | { | |
3abcdeda SP |
2141 | struct be_rx_obj *rxo; |
2142 | int status, i; | |
2143 | char qname[10]; | |
b628bde2 | 2144 | |
3abcdeda SP |
2145 | status = be_request_irq(adapter, &adapter->tx_eq, be_msix_tx_mcc, "tx", |
2146 | adapter); | |
6b7c5b94 SP |
2147 | if (status) |
2148 | goto err; | |
2149 | ||
3abcdeda SP |
2150 | for_all_rx_queues(adapter, rxo, i) { |
2151 | sprintf(qname, "rxq%d", i); | |
2152 | status = be_request_irq(adapter, &rxo->rx_eq, be_msix_rx, | |
2153 | qname, rxo); | |
2154 | if (status) | |
2155 | goto err_msix; | |
2156 | } | |
b628bde2 | 2157 | |
6b7c5b94 | 2158 | return 0; |
b628bde2 | 2159 | |
3abcdeda SP |
2160 | err_msix: |
2161 | be_free_irq(adapter, &adapter->tx_eq, adapter); | |
2162 | ||
2163 | for (i--, rxo = &adapter->rx_obj[i]; i >= 0; i--, rxo--) | |
2164 | be_free_irq(adapter, &rxo->rx_eq, rxo); | |
2165 | ||
6b7c5b94 SP |
2166 | err: |
2167 | dev_warn(&adapter->pdev->dev, | |
2168 | "MSIX Request IRQ failed - err %d\n", status); | |
ac6a0c4a | 2169 | be_msix_disable(adapter); |
6b7c5b94 SP |
2170 | return status; |
2171 | } | |
2172 | ||
2173 | static int be_irq_register(struct be_adapter *adapter) | |
2174 | { | |
2175 | struct net_device *netdev = adapter->netdev; | |
2176 | int status; | |
2177 | ||
ac6a0c4a | 2178 | if (msix_enabled(adapter)) { |
6b7c5b94 SP |
2179 | status = be_msix_register(adapter); |
2180 | if (status == 0) | |
2181 | goto done; | |
ba343c77 SB |
2182 | /* INTx is not supported for VF */ |
2183 | if (!be_physfn(adapter)) | |
2184 | return status; | |
6b7c5b94 SP |
2185 | } |
2186 | ||
2187 | /* INTx */ | |
2188 | netdev->irq = adapter->pdev->irq; | |
2189 | status = request_irq(netdev->irq, be_intx, IRQF_SHARED, netdev->name, | |
2190 | adapter); | |
2191 | if (status) { | |
2192 | dev_err(&adapter->pdev->dev, | |
2193 | "INTx request IRQ failed - err %d\n", status); | |
2194 | return status; | |
2195 | } | |
2196 | done: | |
2197 | adapter->isr_registered = true; | |
2198 | return 0; | |
2199 | } | |
2200 | ||
2201 | static void be_irq_unregister(struct be_adapter *adapter) | |
2202 | { | |
2203 | struct net_device *netdev = adapter->netdev; | |
3abcdeda SP |
2204 | struct be_rx_obj *rxo; |
2205 | int i; | |
6b7c5b94 SP |
2206 | |
2207 | if (!adapter->isr_registered) | |
2208 | return; | |
2209 | ||
2210 | /* INTx */ | |
ac6a0c4a | 2211 | if (!msix_enabled(adapter)) { |
6b7c5b94 SP |
2212 | free_irq(netdev->irq, adapter); |
2213 | goto done; | |
2214 | } | |
2215 | ||
2216 | /* MSIx */ | |
3abcdeda SP |
2217 | be_free_irq(adapter, &adapter->tx_eq, adapter); |
2218 | ||
2219 | for_all_rx_queues(adapter, rxo, i) | |
2220 | be_free_irq(adapter, &rxo->rx_eq, rxo); | |
2221 | ||
6b7c5b94 SP |
2222 | done: |
2223 | adapter->isr_registered = false; | |
6b7c5b94 SP |
2224 | } |
2225 | ||
889cd4b2 SP |
2226 | static int be_close(struct net_device *netdev) |
2227 | { | |
2228 | struct be_adapter *adapter = netdev_priv(netdev); | |
3abcdeda | 2229 | struct be_rx_obj *rxo; |
889cd4b2 | 2230 | struct be_eq_obj *tx_eq = &adapter->tx_eq; |
3abcdeda | 2231 | int vec, i; |
889cd4b2 | 2232 | |
889cd4b2 SP |
2233 | be_async_mcc_disable(adapter); |
2234 | ||
889cd4b2 SP |
2235 | netif_carrier_off(netdev); |
2236 | adapter->link_up = false; | |
2237 | ||
fe6d2a38 SP |
2238 | if (!lancer_chip(adapter)) |
2239 | be_intr_set(adapter, false); | |
889cd4b2 | 2240 | |
63fcb27f PR |
2241 | for_all_rx_queues(adapter, rxo, i) |
2242 | napi_disable(&rxo->rx_eq.napi); | |
2243 | ||
2244 | napi_disable(&tx_eq->napi); | |
2245 | ||
2246 | if (lancer_chip(adapter)) { | |
2247 | be_cq_notify(adapter, adapter->tx_obj.cq.id, false, 0); | |
2248 | be_cq_notify(adapter, adapter->mcc_obj.cq.id, false, 0); | |
2249 | for_all_rx_queues(adapter, rxo, i) | |
2250 | be_cq_notify(adapter, rxo->cq.id, false, 0); | |
2251 | } | |
2252 | ||
ac6a0c4a | 2253 | if (msix_enabled(adapter)) { |
fe6d2a38 | 2254 | vec = be_msix_vec_get(adapter, tx_eq); |
889cd4b2 | 2255 | synchronize_irq(vec); |
3abcdeda SP |
2256 | |
2257 | for_all_rx_queues(adapter, rxo, i) { | |
fe6d2a38 | 2258 | vec = be_msix_vec_get(adapter, &rxo->rx_eq); |
3abcdeda SP |
2259 | synchronize_irq(vec); |
2260 | } | |
889cd4b2 SP |
2261 | } else { |
2262 | synchronize_irq(netdev->irq); | |
2263 | } | |
2264 | be_irq_unregister(adapter); | |
2265 | ||
889cd4b2 SP |
2266 | /* Wait for all pending tx completions to arrive so that |
2267 | * all tx skbs are freed. | |
2268 | */ | |
2269 | be_tx_compl_clean(adapter); | |
2270 | ||
2271 | return 0; | |
2272 | } | |
2273 | ||
6b7c5b94 SP |
2274 | static int be_open(struct net_device *netdev) |
2275 | { | |
2276 | struct be_adapter *adapter = netdev_priv(netdev); | |
6b7c5b94 | 2277 | struct be_eq_obj *tx_eq = &adapter->tx_eq; |
3abcdeda | 2278 | struct be_rx_obj *rxo; |
a8f447bd | 2279 | bool link_up; |
3abcdeda | 2280 | int status, i; |
0388f251 SB |
2281 | u8 mac_speed; |
2282 | u16 link_speed; | |
5fb379ee | 2283 | |
3abcdeda | 2284 | for_all_rx_queues(adapter, rxo, i) { |
1829b086 | 2285 | be_post_rx_frags(rxo, GFP_KERNEL); |
3abcdeda SP |
2286 | napi_enable(&rxo->rx_eq.napi); |
2287 | } | |
5fb379ee SP |
2288 | napi_enable(&tx_eq->napi); |
2289 | ||
2290 | be_irq_register(adapter); | |
2291 | ||
fe6d2a38 SP |
2292 | if (!lancer_chip(adapter)) |
2293 | be_intr_set(adapter, true); | |
5fb379ee SP |
2294 | |
2295 | /* The evt queues are created in unarmed state; arm them */ | |
3abcdeda SP |
2296 | for_all_rx_queues(adapter, rxo, i) { |
2297 | be_eq_notify(adapter, rxo->rx_eq.q.id, true, false, 0); | |
2298 | be_cq_notify(adapter, rxo->cq.id, true, 0); | |
2299 | } | |
8788fdc2 | 2300 | be_eq_notify(adapter, tx_eq->q.id, true, false, 0); |
5fb379ee | 2301 | |
7a1e9b20 SP |
2302 | /* Now that interrupts are on we can process async mcc */ |
2303 | be_async_mcc_enable(adapter); | |
2304 | ||
0388f251 | 2305 | status = be_cmd_link_status_query(adapter, &link_up, &mac_speed, |
187e8756 | 2306 | &link_speed, 0); |
a8f447bd | 2307 | if (status) |
889cd4b2 | 2308 | goto err; |
a8f447bd | 2309 | be_link_status_update(adapter, link_up); |
5fb379ee | 2310 | |
889cd4b2 | 2311 | if (be_physfn(adapter)) { |
1da87b7f | 2312 | status = be_vid_config(adapter, false, 0); |
889cd4b2 SP |
2313 | if (status) |
2314 | goto err; | |
4f2aa89c | 2315 | |
ba343c77 SB |
2316 | status = be_cmd_set_flow_control(adapter, |
2317 | adapter->tx_fc, adapter->rx_fc); | |
2318 | if (status) | |
889cd4b2 | 2319 | goto err; |
ba343c77 | 2320 | } |
4f2aa89c | 2321 | |
889cd4b2 SP |
2322 | return 0; |
2323 | err: | |
2324 | be_close(adapter->netdev); | |
2325 | return -EIO; | |
5fb379ee SP |
2326 | } |
2327 | ||
71d8d1b5 AK |
2328 | static int be_setup_wol(struct be_adapter *adapter, bool enable) |
2329 | { | |
2330 | struct be_dma_mem cmd; | |
2331 | int status = 0; | |
2332 | u8 mac[ETH_ALEN]; | |
2333 | ||
2334 | memset(mac, 0, ETH_ALEN); | |
2335 | ||
2336 | cmd.size = sizeof(struct be_cmd_req_acpi_wol_magic_config); | |
2b7bcebf IV |
2337 | cmd.va = dma_alloc_coherent(&adapter->pdev->dev, cmd.size, &cmd.dma, |
2338 | GFP_KERNEL); | |
71d8d1b5 AK |
2339 | if (cmd.va == NULL) |
2340 | return -1; | |
2341 | memset(cmd.va, 0, cmd.size); | |
2342 | ||
2343 | if (enable) { | |
2344 | status = pci_write_config_dword(adapter->pdev, | |
2345 | PCICFG_PM_CONTROL_OFFSET, PCICFG_PM_CONTROL_MASK); | |
2346 | if (status) { | |
2347 | dev_err(&adapter->pdev->dev, | |
2381a55c | 2348 | "Could not enable Wake-on-lan\n"); |
2b7bcebf IV |
2349 | dma_free_coherent(&adapter->pdev->dev, cmd.size, cmd.va, |
2350 | cmd.dma); | |
71d8d1b5 AK |
2351 | return status; |
2352 | } | |
2353 | status = be_cmd_enable_magic_wol(adapter, | |
2354 | adapter->netdev->dev_addr, &cmd); | |
2355 | pci_enable_wake(adapter->pdev, PCI_D3hot, 1); | |
2356 | pci_enable_wake(adapter->pdev, PCI_D3cold, 1); | |
2357 | } else { | |
2358 | status = be_cmd_enable_magic_wol(adapter, mac, &cmd); | |
2359 | pci_enable_wake(adapter->pdev, PCI_D3hot, 0); | |
2360 | pci_enable_wake(adapter->pdev, PCI_D3cold, 0); | |
2361 | } | |
2362 | ||
2b7bcebf | 2363 | dma_free_coherent(&adapter->pdev->dev, cmd.size, cmd.va, cmd.dma); |
71d8d1b5 AK |
2364 | return status; |
2365 | } | |
2366 | ||
6d87f5c3 AK |
2367 | /* |
2368 | * Generate a seed MAC address from the PF MAC Address using jhash. | |
2369 | * MAC Address for VFs are assigned incrementally starting from the seed. | |
2370 | * These addresses are programmed in the ASIC by the PF and the VF driver | |
2371 | * queries for the MAC address during its probe. | |
2372 | */ | |
2373 | static inline int be_vf_eth_addr_config(struct be_adapter *adapter) | |
2374 | { | |
2375 | u32 vf = 0; | |
3abcdeda | 2376 | int status = 0; |
6d87f5c3 AK |
2377 | u8 mac[ETH_ALEN]; |
2378 | ||
2379 | be_vf_eth_addr_generate(adapter, mac); | |
2380 | ||
2381 | for (vf = 0; vf < num_vfs; vf++) { | |
2382 | status = be_cmd_pmac_add(adapter, mac, | |
2383 | adapter->vf_cfg[vf].vf_if_handle, | |
f8617e08 AK |
2384 | &adapter->vf_cfg[vf].vf_pmac_id, |
2385 | vf + 1); | |
6d87f5c3 AK |
2386 | if (status) |
2387 | dev_err(&adapter->pdev->dev, | |
2388 | "Mac address add failed for VF %d\n", vf); | |
2389 | else | |
2390 | memcpy(adapter->vf_cfg[vf].vf_mac_addr, mac, ETH_ALEN); | |
2391 | ||
2392 | mac[5] += 1; | |
2393 | } | |
2394 | return status; | |
2395 | } | |
2396 | ||
2397 | static inline void be_vf_eth_addr_rem(struct be_adapter *adapter) | |
2398 | { | |
2399 | u32 vf; | |
2400 | ||
2401 | for (vf = 0; vf < num_vfs; vf++) { | |
2402 | if (adapter->vf_cfg[vf].vf_pmac_id != BE_INVALID_PMAC_ID) | |
2403 | be_cmd_pmac_del(adapter, | |
2404 | adapter->vf_cfg[vf].vf_if_handle, | |
f8617e08 | 2405 | adapter->vf_cfg[vf].vf_pmac_id, vf + 1); |
6d87f5c3 AK |
2406 | } |
2407 | } | |
2408 | ||
5fb379ee SP |
2409 | static int be_setup(struct be_adapter *adapter) |
2410 | { | |
5fb379ee | 2411 | struct net_device *netdev = adapter->netdev; |
ba343c77 | 2412 | u32 cap_flags, en_flags, vf = 0; |
6b7c5b94 | 2413 | int status; |
ba343c77 SB |
2414 | u8 mac[ETH_ALEN]; |
2415 | ||
f21b538c PR |
2416 | cap_flags = en_flags = BE_IF_FLAGS_UNTAGGED | |
2417 | BE_IF_FLAGS_BROADCAST | | |
2418 | BE_IF_FLAGS_MULTICAST; | |
6b7c5b94 | 2419 | |
ba343c77 SB |
2420 | if (be_physfn(adapter)) { |
2421 | cap_flags |= BE_IF_FLAGS_MCAST_PROMISCUOUS | | |
2422 | BE_IF_FLAGS_PROMISCUOUS | | |
2423 | BE_IF_FLAGS_PASS_L3L4_ERRORS; | |
2424 | en_flags |= BE_IF_FLAGS_PASS_L3L4_ERRORS; | |
3abcdeda | 2425 | |
ac6a0c4a | 2426 | if (adapter->function_caps & BE_FUNCTION_CAPS_RSS) { |
3abcdeda SP |
2427 | cap_flags |= BE_IF_FLAGS_RSS; |
2428 | en_flags |= BE_IF_FLAGS_RSS; | |
2429 | } | |
ba343c77 | 2430 | } |
73d540f2 SP |
2431 | |
2432 | status = be_cmd_if_create(adapter, cap_flags, en_flags, | |
2433 | netdev->dev_addr, false/* pmac_invalid */, | |
ba343c77 | 2434 | &adapter->if_handle, &adapter->pmac_id, 0); |
6b7c5b94 SP |
2435 | if (status != 0) |
2436 | goto do_none; | |
2437 | ||
ba343c77 | 2438 | if (be_physfn(adapter)) { |
c99ac3e7 AK |
2439 | if (adapter->sriov_enabled) { |
2440 | while (vf < num_vfs) { | |
2441 | cap_flags = en_flags = BE_IF_FLAGS_UNTAGGED | | |
2442 | BE_IF_FLAGS_BROADCAST; | |
2443 | status = be_cmd_if_create(adapter, cap_flags, | |
2444 | en_flags, mac, true, | |
64600ea5 | 2445 | &adapter->vf_cfg[vf].vf_if_handle, |
ba343c77 | 2446 | NULL, vf+1); |
c99ac3e7 AK |
2447 | if (status) { |
2448 | dev_err(&adapter->pdev->dev, | |
2449 | "Interface Create failed for VF %d\n", | |
2450 | vf); | |
2451 | goto if_destroy; | |
2452 | } | |
2453 | adapter->vf_cfg[vf].vf_pmac_id = | |
2454 | BE_INVALID_PMAC_ID; | |
2455 | vf++; | |
ba343c77 | 2456 | } |
84e5b9f7 | 2457 | } |
c99ac3e7 | 2458 | } else { |
ba343c77 SB |
2459 | status = be_cmd_mac_addr_query(adapter, mac, |
2460 | MAC_ADDRESS_TYPE_NETWORK, false, adapter->if_handle); | |
2461 | if (!status) { | |
2462 | memcpy(adapter->netdev->dev_addr, mac, ETH_ALEN); | |
2463 | memcpy(adapter->netdev->perm_addr, mac, ETH_ALEN); | |
2464 | } | |
2465 | } | |
2466 | ||
6b7c5b94 SP |
2467 | status = be_tx_queues_create(adapter); |
2468 | if (status != 0) | |
2469 | goto if_destroy; | |
2470 | ||
2471 | status = be_rx_queues_create(adapter); | |
2472 | if (status != 0) | |
2473 | goto tx_qs_destroy; | |
2474 | ||
5fb379ee SP |
2475 | status = be_mcc_queues_create(adapter); |
2476 | if (status != 0) | |
2477 | goto rx_qs_destroy; | |
6b7c5b94 | 2478 | |
0dffc83e AK |
2479 | adapter->link_speed = -1; |
2480 | ||
6b7c5b94 SP |
2481 | return 0; |
2482 | ||
5fb379ee SP |
2483 | rx_qs_destroy: |
2484 | be_rx_queues_destroy(adapter); | |
6b7c5b94 SP |
2485 | tx_qs_destroy: |
2486 | be_tx_queues_destroy(adapter); | |
2487 | if_destroy: | |
c99ac3e7 AK |
2488 | if (be_physfn(adapter) && adapter->sriov_enabled) |
2489 | for (vf = 0; vf < num_vfs; vf++) | |
2490 | if (adapter->vf_cfg[vf].vf_if_handle) | |
2491 | be_cmd_if_destroy(adapter, | |
658681f7 AK |
2492 | adapter->vf_cfg[vf].vf_if_handle, |
2493 | vf + 1); | |
2494 | be_cmd_if_destroy(adapter, adapter->if_handle, 0); | |
6b7c5b94 SP |
2495 | do_none: |
2496 | return status; | |
2497 | } | |
2498 | ||
5fb379ee SP |
2499 | static int be_clear(struct be_adapter *adapter) |
2500 | { | |
7ab8b0b4 AK |
2501 | int vf; |
2502 | ||
c99ac3e7 | 2503 | if (be_physfn(adapter) && adapter->sriov_enabled) |
6d87f5c3 AK |
2504 | be_vf_eth_addr_rem(adapter); |
2505 | ||
1a8887d8 | 2506 | be_mcc_queues_destroy(adapter); |
5fb379ee SP |
2507 | be_rx_queues_destroy(adapter); |
2508 | be_tx_queues_destroy(adapter); | |
1f5db833 | 2509 | adapter->eq_next_idx = 0; |
5fb379ee | 2510 | |
7ab8b0b4 AK |
2511 | if (be_physfn(adapter) && adapter->sriov_enabled) |
2512 | for (vf = 0; vf < num_vfs; vf++) | |
2513 | if (adapter->vf_cfg[vf].vf_if_handle) | |
2514 | be_cmd_if_destroy(adapter, | |
2515 | adapter->vf_cfg[vf].vf_if_handle, | |
2516 | vf + 1); | |
2517 | ||
658681f7 | 2518 | be_cmd_if_destroy(adapter, adapter->if_handle, 0); |
5fb379ee | 2519 | |
2243e2e9 SP |
2520 | /* tell fw we're done with firing cmds */ |
2521 | be_cmd_fw_clean(adapter); | |
5fb379ee SP |
2522 | return 0; |
2523 | } | |
2524 | ||
6b7c5b94 | 2525 | |
84517482 | 2526 | #define FW_FILE_HDR_SIGN "ServerEngines Corp. " |
fa9a6fed | 2527 | static bool be_flash_redboot(struct be_adapter *adapter, |
3f0d4560 AK |
2528 | const u8 *p, u32 img_start, int image_size, |
2529 | int hdr_size) | |
fa9a6fed SB |
2530 | { |
2531 | u32 crc_offset; | |
2532 | u8 flashed_crc[4]; | |
2533 | int status; | |
3f0d4560 AK |
2534 | |
2535 | crc_offset = hdr_size + img_start + image_size - 4; | |
2536 | ||
fa9a6fed | 2537 | p += crc_offset; |
3f0d4560 AK |
2538 | |
2539 | status = be_cmd_get_flash_crc(adapter, flashed_crc, | |
f510fc64 | 2540 | (image_size - 4)); |
fa9a6fed SB |
2541 | if (status) { |
2542 | dev_err(&adapter->pdev->dev, | |
2543 | "could not get crc from flash, not flashing redboot\n"); | |
2544 | return false; | |
2545 | } | |
2546 | ||
2547 | /*update redboot only if crc does not match*/ | |
2548 | if (!memcmp(flashed_crc, p, 4)) | |
2549 | return false; | |
2550 | else | |
2551 | return true; | |
fa9a6fed SB |
2552 | } |
2553 | ||
3f0d4560 | 2554 | static int be_flash_data(struct be_adapter *adapter, |
84517482 | 2555 | const struct firmware *fw, |
3f0d4560 AK |
2556 | struct be_dma_mem *flash_cmd, int num_of_images) |
2557 | ||
84517482 | 2558 | { |
3f0d4560 AK |
2559 | int status = 0, i, filehdr_size = 0; |
2560 | u32 total_bytes = 0, flash_op; | |
84517482 AK |
2561 | int num_bytes; |
2562 | const u8 *p = fw->data; | |
2563 | struct be_cmd_write_flashrom *req = flash_cmd->va; | |
215faf9c | 2564 | const struct flash_comp *pflashcomp; |
9fe96934 | 2565 | int num_comp; |
3f0d4560 | 2566 | |
215faf9c | 2567 | static const struct flash_comp gen3_flash_types[9] = { |
3f0d4560 AK |
2568 | { FLASH_iSCSI_PRIMARY_IMAGE_START_g3, IMG_TYPE_ISCSI_ACTIVE, |
2569 | FLASH_IMAGE_MAX_SIZE_g3}, | |
2570 | { FLASH_REDBOOT_START_g3, IMG_TYPE_REDBOOT, | |
2571 | FLASH_REDBOOT_IMAGE_MAX_SIZE_g3}, | |
2572 | { FLASH_iSCSI_BIOS_START_g3, IMG_TYPE_BIOS, | |
2573 | FLASH_BIOS_IMAGE_MAX_SIZE_g3}, | |
2574 | { FLASH_PXE_BIOS_START_g3, IMG_TYPE_PXE_BIOS, | |
2575 | FLASH_BIOS_IMAGE_MAX_SIZE_g3}, | |
2576 | { FLASH_FCoE_BIOS_START_g3, IMG_TYPE_FCOE_BIOS, | |
2577 | FLASH_BIOS_IMAGE_MAX_SIZE_g3}, | |
2578 | { FLASH_iSCSI_BACKUP_IMAGE_START_g3, IMG_TYPE_ISCSI_BACKUP, | |
2579 | FLASH_IMAGE_MAX_SIZE_g3}, | |
2580 | { FLASH_FCoE_PRIMARY_IMAGE_START_g3, IMG_TYPE_FCOE_FW_ACTIVE, | |
2581 | FLASH_IMAGE_MAX_SIZE_g3}, | |
2582 | { FLASH_FCoE_BACKUP_IMAGE_START_g3, IMG_TYPE_FCOE_FW_BACKUP, | |
9fe96934 SB |
2583 | FLASH_IMAGE_MAX_SIZE_g3}, |
2584 | { FLASH_NCSI_START_g3, IMG_TYPE_NCSI_FW, | |
2585 | FLASH_NCSI_IMAGE_MAX_SIZE_g3} | |
3f0d4560 | 2586 | }; |
215faf9c | 2587 | static const struct flash_comp gen2_flash_types[8] = { |
3f0d4560 AK |
2588 | { FLASH_iSCSI_PRIMARY_IMAGE_START_g2, IMG_TYPE_ISCSI_ACTIVE, |
2589 | FLASH_IMAGE_MAX_SIZE_g2}, | |
2590 | { FLASH_REDBOOT_START_g2, IMG_TYPE_REDBOOT, | |
2591 | FLASH_REDBOOT_IMAGE_MAX_SIZE_g2}, | |
2592 | { FLASH_iSCSI_BIOS_START_g2, IMG_TYPE_BIOS, | |
2593 | FLASH_BIOS_IMAGE_MAX_SIZE_g2}, | |
2594 | { FLASH_PXE_BIOS_START_g2, IMG_TYPE_PXE_BIOS, | |
2595 | FLASH_BIOS_IMAGE_MAX_SIZE_g2}, | |
2596 | { FLASH_FCoE_BIOS_START_g2, IMG_TYPE_FCOE_BIOS, | |
2597 | FLASH_BIOS_IMAGE_MAX_SIZE_g2}, | |
2598 | { FLASH_iSCSI_BACKUP_IMAGE_START_g2, IMG_TYPE_ISCSI_BACKUP, | |
2599 | FLASH_IMAGE_MAX_SIZE_g2}, | |
2600 | { FLASH_FCoE_PRIMARY_IMAGE_START_g2, IMG_TYPE_FCOE_FW_ACTIVE, | |
2601 | FLASH_IMAGE_MAX_SIZE_g2}, | |
2602 | { FLASH_FCoE_BACKUP_IMAGE_START_g2, IMG_TYPE_FCOE_FW_BACKUP, | |
2603 | FLASH_IMAGE_MAX_SIZE_g2} | |
2604 | }; | |
2605 | ||
2606 | if (adapter->generation == BE_GEN3) { | |
2607 | pflashcomp = gen3_flash_types; | |
2608 | filehdr_size = sizeof(struct flash_file_hdr_g3); | |
215faf9c | 2609 | num_comp = ARRAY_SIZE(gen3_flash_types); |
3f0d4560 AK |
2610 | } else { |
2611 | pflashcomp = gen2_flash_types; | |
2612 | filehdr_size = sizeof(struct flash_file_hdr_g2); | |
215faf9c | 2613 | num_comp = ARRAY_SIZE(gen2_flash_types); |
84517482 | 2614 | } |
9fe96934 SB |
2615 | for (i = 0; i < num_comp; i++) { |
2616 | if ((pflashcomp[i].optype == IMG_TYPE_NCSI_FW) && | |
2617 | memcmp(adapter->fw_ver, "3.102.148.0", 11) < 0) | |
2618 | continue; | |
3f0d4560 AK |
2619 | if ((pflashcomp[i].optype == IMG_TYPE_REDBOOT) && |
2620 | (!be_flash_redboot(adapter, fw->data, | |
fae21a4d AK |
2621 | pflashcomp[i].offset, pflashcomp[i].size, filehdr_size + |
2622 | (num_of_images * sizeof(struct image_hdr))))) | |
3f0d4560 AK |
2623 | continue; |
2624 | p = fw->data; | |
2625 | p += filehdr_size + pflashcomp[i].offset | |
2626 | + (num_of_images * sizeof(struct image_hdr)); | |
2627 | if (p + pflashcomp[i].size > fw->data + fw->size) | |
84517482 | 2628 | return -1; |
3f0d4560 AK |
2629 | total_bytes = pflashcomp[i].size; |
2630 | while (total_bytes) { | |
2631 | if (total_bytes > 32*1024) | |
2632 | num_bytes = 32*1024; | |
2633 | else | |
2634 | num_bytes = total_bytes; | |
2635 | total_bytes -= num_bytes; | |
2636 | ||
2637 | if (!total_bytes) | |
2638 | flash_op = FLASHROM_OPER_FLASH; | |
2639 | else | |
2640 | flash_op = FLASHROM_OPER_SAVE; | |
2641 | memcpy(req->params.data_buf, p, num_bytes); | |
2642 | p += num_bytes; | |
2643 | status = be_cmd_write_flashrom(adapter, flash_cmd, | |
2644 | pflashcomp[i].optype, flash_op, num_bytes); | |
2645 | if (status) { | |
2646 | dev_err(&adapter->pdev->dev, | |
2647 | "cmd to write to flash rom failed.\n"); | |
2648 | return -1; | |
2649 | } | |
2650 | yield(); | |
84517482 | 2651 | } |
84517482 | 2652 | } |
84517482 AK |
2653 | return 0; |
2654 | } | |
2655 | ||
3f0d4560 AK |
2656 | static int get_ufigen_type(struct flash_file_hdr_g2 *fhdr) |
2657 | { | |
2658 | if (fhdr == NULL) | |
2659 | return 0; | |
2660 | if (fhdr->build[0] == '3') | |
2661 | return BE_GEN3; | |
2662 | else if (fhdr->build[0] == '2') | |
2663 | return BE_GEN2; | |
2664 | else | |
2665 | return 0; | |
2666 | } | |
2667 | ||
84517482 AK |
2668 | int be_load_fw(struct be_adapter *adapter, u8 *func) |
2669 | { | |
2670 | char fw_file[ETHTOOL_FLASH_MAX_FILENAME]; | |
2671 | const struct firmware *fw; | |
3f0d4560 AK |
2672 | struct flash_file_hdr_g2 *fhdr; |
2673 | struct flash_file_hdr_g3 *fhdr3; | |
2674 | struct image_hdr *img_hdr_ptr = NULL; | |
84517482 | 2675 | struct be_dma_mem flash_cmd; |
8b93b710 | 2676 | int status, i = 0, num_imgs = 0; |
84517482 | 2677 | const u8 *p; |
84517482 | 2678 | |
d9efd2af SB |
2679 | if (!netif_running(adapter->netdev)) { |
2680 | dev_err(&adapter->pdev->dev, | |
2681 | "Firmware load not allowed (interface is down)\n"); | |
2682 | return -EPERM; | |
2683 | } | |
2684 | ||
84517482 AK |
2685 | strcpy(fw_file, func); |
2686 | ||
2687 | status = request_firmware(&fw, fw_file, &adapter->pdev->dev); | |
2688 | if (status) | |
2689 | goto fw_exit; | |
2690 | ||
2691 | p = fw->data; | |
3f0d4560 | 2692 | fhdr = (struct flash_file_hdr_g2 *) p; |
84517482 AK |
2693 | dev_info(&adapter->pdev->dev, "Flashing firmware file %s\n", fw_file); |
2694 | ||
84517482 | 2695 | flash_cmd.size = sizeof(struct be_cmd_write_flashrom) + 32*1024; |
2b7bcebf IV |
2696 | flash_cmd.va = dma_alloc_coherent(&adapter->pdev->dev, flash_cmd.size, |
2697 | &flash_cmd.dma, GFP_KERNEL); | |
84517482 AK |
2698 | if (!flash_cmd.va) { |
2699 | status = -ENOMEM; | |
2700 | dev_err(&adapter->pdev->dev, | |
2701 | "Memory allocation failure while flashing\n"); | |
2702 | goto fw_exit; | |
2703 | } | |
2704 | ||
3f0d4560 AK |
2705 | if ((adapter->generation == BE_GEN3) && |
2706 | (get_ufigen_type(fhdr) == BE_GEN3)) { | |
2707 | fhdr3 = (struct flash_file_hdr_g3 *) fw->data; | |
8b93b710 AK |
2708 | num_imgs = le32_to_cpu(fhdr3->num_imgs); |
2709 | for (i = 0; i < num_imgs; i++) { | |
3f0d4560 AK |
2710 | img_hdr_ptr = (struct image_hdr *) (fw->data + |
2711 | (sizeof(struct flash_file_hdr_g3) + | |
8b93b710 AK |
2712 | i * sizeof(struct image_hdr))); |
2713 | if (le32_to_cpu(img_hdr_ptr->imageid) == 1) | |
2714 | status = be_flash_data(adapter, fw, &flash_cmd, | |
2715 | num_imgs); | |
3f0d4560 AK |
2716 | } |
2717 | } else if ((adapter->generation == BE_GEN2) && | |
2718 | (get_ufigen_type(fhdr) == BE_GEN2)) { | |
2719 | status = be_flash_data(adapter, fw, &flash_cmd, 0); | |
2720 | } else { | |
2721 | dev_err(&adapter->pdev->dev, | |
2722 | "UFI and Interface are not compatible for flashing\n"); | |
2723 | status = -1; | |
84517482 AK |
2724 | } |
2725 | ||
2b7bcebf IV |
2726 | dma_free_coherent(&adapter->pdev->dev, flash_cmd.size, flash_cmd.va, |
2727 | flash_cmd.dma); | |
84517482 AK |
2728 | if (status) { |
2729 | dev_err(&adapter->pdev->dev, "Firmware load error\n"); | |
2730 | goto fw_exit; | |
2731 | } | |
2732 | ||
af901ca1 | 2733 | dev_info(&adapter->pdev->dev, "Firmware flashed successfully\n"); |
84517482 AK |
2734 | |
2735 | fw_exit: | |
2736 | release_firmware(fw); | |
2737 | return status; | |
2738 | } | |
2739 | ||
6b7c5b94 SP |
2740 | static struct net_device_ops be_netdev_ops = { |
2741 | .ndo_open = be_open, | |
2742 | .ndo_stop = be_close, | |
2743 | .ndo_start_xmit = be_xmit, | |
6b7c5b94 SP |
2744 | .ndo_set_rx_mode = be_set_multicast_list, |
2745 | .ndo_set_mac_address = be_mac_addr_set, | |
2746 | .ndo_change_mtu = be_change_mtu, | |
2747 | .ndo_validate_addr = eth_validate_addr, | |
2748 | .ndo_vlan_rx_register = be_vlan_register, | |
2749 | .ndo_vlan_rx_add_vid = be_vlan_add_vid, | |
2750 | .ndo_vlan_rx_kill_vid = be_vlan_rem_vid, | |
64600ea5 | 2751 | .ndo_set_vf_mac = be_set_vf_mac, |
1da87b7f | 2752 | .ndo_set_vf_vlan = be_set_vf_vlan, |
e1d18735 | 2753 | .ndo_set_vf_tx_rate = be_set_vf_tx_rate, |
64600ea5 | 2754 | .ndo_get_vf_config = be_get_vf_config |
6b7c5b94 SP |
2755 | }; |
2756 | ||
2757 | static void be_netdev_init(struct net_device *netdev) | |
2758 | { | |
2759 | struct be_adapter *adapter = netdev_priv(netdev); | |
3abcdeda SP |
2760 | struct be_rx_obj *rxo; |
2761 | int i; | |
6b7c5b94 | 2762 | |
6332c8d3 | 2763 | netdev->hw_features |= NETIF_F_SG | NETIF_F_TSO | NETIF_F_TSO6 | |
8b8ddc68 MM |
2764 | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | NETIF_F_RXCSUM | |
2765 | NETIF_F_HW_VLAN_TX; | |
2766 | if (be_multi_rxq(adapter)) | |
2767 | netdev->hw_features |= NETIF_F_RXHASH; | |
6332c8d3 MM |
2768 | |
2769 | netdev->features |= netdev->hw_features | | |
8b8ddc68 | 2770 | NETIF_F_HW_VLAN_RX | NETIF_F_HW_VLAN_FILTER; |
4b972914 | 2771 | |
79032644 MM |
2772 | netdev->vlan_features |= NETIF_F_SG | NETIF_F_TSO | |
2773 | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM; | |
51c59870 | 2774 | |
fe6d2a38 SP |
2775 | if (lancer_chip(adapter)) |
2776 | netdev->vlan_features |= NETIF_F_TSO6; | |
2777 | ||
6b7c5b94 SP |
2778 | netdev->flags |= IFF_MULTICAST; |
2779 | ||
9e90c961 AK |
2780 | /* Default settings for Rx and Tx flow control */ |
2781 | adapter->rx_fc = true; | |
2782 | adapter->tx_fc = true; | |
2783 | ||
c190e3c8 AK |
2784 | netif_set_gso_max_size(netdev, 65535); |
2785 | ||
6b7c5b94 SP |
2786 | BE_SET_NETDEV_OPS(netdev, &be_netdev_ops); |
2787 | ||
2788 | SET_ETHTOOL_OPS(netdev, &be_ethtool_ops); | |
2789 | ||
3abcdeda SP |
2790 | for_all_rx_queues(adapter, rxo, i) |
2791 | netif_napi_add(netdev, &rxo->rx_eq.napi, be_poll_rx, | |
2792 | BE_NAPI_WEIGHT); | |
2793 | ||
5fb379ee | 2794 | netif_napi_add(netdev, &adapter->tx_eq.napi, be_poll_tx_mcc, |
6b7c5b94 | 2795 | BE_NAPI_WEIGHT); |
6b7c5b94 SP |
2796 | } |
2797 | ||
2798 | static void be_unmap_pci_bars(struct be_adapter *adapter) | |
2799 | { | |
8788fdc2 SP |
2800 | if (adapter->csr) |
2801 | iounmap(adapter->csr); | |
2802 | if (adapter->db) | |
2803 | iounmap(adapter->db); | |
ba343c77 | 2804 | if (adapter->pcicfg && be_physfn(adapter)) |
8788fdc2 | 2805 | iounmap(adapter->pcicfg); |
6b7c5b94 SP |
2806 | } |
2807 | ||
2808 | static int be_map_pci_bars(struct be_adapter *adapter) | |
2809 | { | |
2810 | u8 __iomem *addr; | |
ba343c77 | 2811 | int pcicfg_reg, db_reg; |
6b7c5b94 | 2812 | |
fe6d2a38 SP |
2813 | if (lancer_chip(adapter)) { |
2814 | addr = ioremap_nocache(pci_resource_start(adapter->pdev, 0), | |
2815 | pci_resource_len(adapter->pdev, 0)); | |
2816 | if (addr == NULL) | |
2817 | return -ENOMEM; | |
2818 | adapter->db = addr; | |
2819 | return 0; | |
2820 | } | |
2821 | ||
ba343c77 SB |
2822 | if (be_physfn(adapter)) { |
2823 | addr = ioremap_nocache(pci_resource_start(adapter->pdev, 2), | |
2824 | pci_resource_len(adapter->pdev, 2)); | |
2825 | if (addr == NULL) | |
2826 | return -ENOMEM; | |
2827 | adapter->csr = addr; | |
2828 | } | |
6b7c5b94 | 2829 | |
ba343c77 | 2830 | if (adapter->generation == BE_GEN2) { |
7b139c83 | 2831 | pcicfg_reg = 1; |
ba343c77 SB |
2832 | db_reg = 4; |
2833 | } else { | |
7b139c83 | 2834 | pcicfg_reg = 0; |
ba343c77 SB |
2835 | if (be_physfn(adapter)) |
2836 | db_reg = 4; | |
2837 | else | |
2838 | db_reg = 0; | |
2839 | } | |
2840 | addr = ioremap_nocache(pci_resource_start(adapter->pdev, db_reg), | |
2841 | pci_resource_len(adapter->pdev, db_reg)); | |
6b7c5b94 SP |
2842 | if (addr == NULL) |
2843 | goto pci_map_err; | |
ba343c77 SB |
2844 | adapter->db = addr; |
2845 | ||
2846 | if (be_physfn(adapter)) { | |
2847 | addr = ioremap_nocache( | |
2848 | pci_resource_start(adapter->pdev, pcicfg_reg), | |
2849 | pci_resource_len(adapter->pdev, pcicfg_reg)); | |
2850 | if (addr == NULL) | |
2851 | goto pci_map_err; | |
2852 | adapter->pcicfg = addr; | |
2853 | } else | |
2854 | adapter->pcicfg = adapter->db + SRIOV_VF_PCICFG_OFFSET; | |
6b7c5b94 SP |
2855 | |
2856 | return 0; | |
2857 | pci_map_err: | |
2858 | be_unmap_pci_bars(adapter); | |
2859 | return -ENOMEM; | |
2860 | } | |
2861 | ||
2862 | ||
2863 | static void be_ctrl_cleanup(struct be_adapter *adapter) | |
2864 | { | |
8788fdc2 | 2865 | struct be_dma_mem *mem = &adapter->mbox_mem_alloced; |
6b7c5b94 SP |
2866 | |
2867 | be_unmap_pci_bars(adapter); | |
2868 | ||
2869 | if (mem->va) | |
2b7bcebf IV |
2870 | dma_free_coherent(&adapter->pdev->dev, mem->size, mem->va, |
2871 | mem->dma); | |
e7b909a6 SP |
2872 | |
2873 | mem = &adapter->mc_cmd_mem; | |
2874 | if (mem->va) | |
2b7bcebf IV |
2875 | dma_free_coherent(&adapter->pdev->dev, mem->size, mem->va, |
2876 | mem->dma); | |
6b7c5b94 SP |
2877 | } |
2878 | ||
6b7c5b94 SP |
2879 | static int be_ctrl_init(struct be_adapter *adapter) |
2880 | { | |
8788fdc2 SP |
2881 | struct be_dma_mem *mbox_mem_alloc = &adapter->mbox_mem_alloced; |
2882 | struct be_dma_mem *mbox_mem_align = &adapter->mbox_mem; | |
e7b909a6 | 2883 | struct be_dma_mem *mc_cmd_mem = &adapter->mc_cmd_mem; |
6b7c5b94 | 2884 | int status; |
6b7c5b94 SP |
2885 | |
2886 | status = be_map_pci_bars(adapter); | |
2887 | if (status) | |
e7b909a6 | 2888 | goto done; |
6b7c5b94 SP |
2889 | |
2890 | mbox_mem_alloc->size = sizeof(struct be_mcc_mailbox) + 16; | |
2b7bcebf IV |
2891 | mbox_mem_alloc->va = dma_alloc_coherent(&adapter->pdev->dev, |
2892 | mbox_mem_alloc->size, | |
2893 | &mbox_mem_alloc->dma, | |
2894 | GFP_KERNEL); | |
6b7c5b94 | 2895 | if (!mbox_mem_alloc->va) { |
e7b909a6 SP |
2896 | status = -ENOMEM; |
2897 | goto unmap_pci_bars; | |
6b7c5b94 | 2898 | } |
e7b909a6 | 2899 | |
6b7c5b94 SP |
2900 | mbox_mem_align->size = sizeof(struct be_mcc_mailbox); |
2901 | mbox_mem_align->va = PTR_ALIGN(mbox_mem_alloc->va, 16); | |
2902 | mbox_mem_align->dma = PTR_ALIGN(mbox_mem_alloc->dma, 16); | |
2903 | memset(mbox_mem_align->va, 0, sizeof(struct be_mcc_mailbox)); | |
e7b909a6 SP |
2904 | |
2905 | mc_cmd_mem->size = sizeof(struct be_cmd_req_mcast_mac_config); | |
2b7bcebf IV |
2906 | mc_cmd_mem->va = dma_alloc_coherent(&adapter->pdev->dev, |
2907 | mc_cmd_mem->size, &mc_cmd_mem->dma, | |
2908 | GFP_KERNEL); | |
e7b909a6 SP |
2909 | if (mc_cmd_mem->va == NULL) { |
2910 | status = -ENOMEM; | |
2911 | goto free_mbox; | |
2912 | } | |
2913 | memset(mc_cmd_mem->va, 0, mc_cmd_mem->size); | |
2914 | ||
2984961c | 2915 | mutex_init(&adapter->mbox_lock); |
8788fdc2 SP |
2916 | spin_lock_init(&adapter->mcc_lock); |
2917 | spin_lock_init(&adapter->mcc_cq_lock); | |
a8f447bd | 2918 | |
dd131e76 | 2919 | init_completion(&adapter->flash_compl); |
cf588477 | 2920 | pci_save_state(adapter->pdev); |
6b7c5b94 | 2921 | return 0; |
e7b909a6 SP |
2922 | |
2923 | free_mbox: | |
2b7bcebf IV |
2924 | dma_free_coherent(&adapter->pdev->dev, mbox_mem_alloc->size, |
2925 | mbox_mem_alloc->va, mbox_mem_alloc->dma); | |
e7b909a6 SP |
2926 | |
2927 | unmap_pci_bars: | |
2928 | be_unmap_pci_bars(adapter); | |
2929 | ||
2930 | done: | |
2931 | return status; | |
6b7c5b94 SP |
2932 | } |
2933 | ||
2934 | static void be_stats_cleanup(struct be_adapter *adapter) | |
2935 | { | |
3abcdeda | 2936 | struct be_dma_mem *cmd = &adapter->stats_cmd; |
6b7c5b94 SP |
2937 | |
2938 | if (cmd->va) | |
2b7bcebf IV |
2939 | dma_free_coherent(&adapter->pdev->dev, cmd->size, |
2940 | cmd->va, cmd->dma); | |
6b7c5b94 SP |
2941 | } |
2942 | ||
2943 | static int be_stats_init(struct be_adapter *adapter) | |
2944 | { | |
3abcdeda | 2945 | struct be_dma_mem *cmd = &adapter->stats_cmd; |
6b7c5b94 | 2946 | |
89a88ab8 AK |
2947 | if (adapter->generation == BE_GEN2) |
2948 | cmd->size = sizeof(struct be_cmd_req_get_stats_v0); | |
2949 | else | |
2950 | cmd->size = sizeof(struct be_cmd_req_get_stats_v1); | |
2b7bcebf IV |
2951 | cmd->va = dma_alloc_coherent(&adapter->pdev->dev, cmd->size, &cmd->dma, |
2952 | GFP_KERNEL); | |
6b7c5b94 SP |
2953 | if (cmd->va == NULL) |
2954 | return -1; | |
d291b9af | 2955 | memset(cmd->va, 0, cmd->size); |
6b7c5b94 SP |
2956 | return 0; |
2957 | } | |
2958 | ||
2959 | static void __devexit be_remove(struct pci_dev *pdev) | |
2960 | { | |
2961 | struct be_adapter *adapter = pci_get_drvdata(pdev); | |
8d56ff11 | 2962 | |
6b7c5b94 SP |
2963 | if (!adapter) |
2964 | return; | |
2965 | ||
f203af70 SK |
2966 | cancel_delayed_work_sync(&adapter->work); |
2967 | ||
6b7c5b94 SP |
2968 | unregister_netdev(adapter->netdev); |
2969 | ||
5fb379ee SP |
2970 | be_clear(adapter); |
2971 | ||
6b7c5b94 SP |
2972 | be_stats_cleanup(adapter); |
2973 | ||
2974 | be_ctrl_cleanup(adapter); | |
2975 | ||
48f5a191 | 2976 | kfree(adapter->vf_cfg); |
ba343c77 SB |
2977 | be_sriov_disable(adapter); |
2978 | ||
8d56ff11 | 2979 | be_msix_disable(adapter); |
6b7c5b94 SP |
2980 | |
2981 | pci_set_drvdata(pdev, NULL); | |
2982 | pci_release_regions(pdev); | |
2983 | pci_disable_device(pdev); | |
2984 | ||
2985 | free_netdev(adapter->netdev); | |
2986 | } | |
2987 | ||
2243e2e9 | 2988 | static int be_get_config(struct be_adapter *adapter) |
6b7c5b94 | 2989 | { |
6b7c5b94 | 2990 | int status; |
2243e2e9 | 2991 | u8 mac[ETH_ALEN]; |
6b7c5b94 | 2992 | |
2243e2e9 | 2993 | status = be_cmd_get_fw_ver(adapter, adapter->fw_ver); |
6b7c5b94 SP |
2994 | if (status) |
2995 | return status; | |
2996 | ||
3abcdeda SP |
2997 | status = be_cmd_query_fw_cfg(adapter, &adapter->port_num, |
2998 | &adapter->function_mode, &adapter->function_caps); | |
43a04fdc SP |
2999 | if (status) |
3000 | return status; | |
3001 | ||
2243e2e9 | 3002 | memset(mac, 0, ETH_ALEN); |
ba343c77 SB |
3003 | |
3004 | if (be_physfn(adapter)) { | |
3005 | status = be_cmd_mac_addr_query(adapter, mac, | |
2243e2e9 | 3006 | MAC_ADDRESS_TYPE_NETWORK, true /*permanent */, 0); |
ca9e4988 | 3007 | |
ba343c77 SB |
3008 | if (status) |
3009 | return status; | |
ca9e4988 | 3010 | |
ba343c77 SB |
3011 | if (!is_valid_ether_addr(mac)) |
3012 | return -EADDRNOTAVAIL; | |
3013 | ||
3014 | memcpy(adapter->netdev->dev_addr, mac, ETH_ALEN); | |
3015 | memcpy(adapter->netdev->perm_addr, mac, ETH_ALEN); | |
3016 | } | |
6b7c5b94 | 3017 | |
3486be29 | 3018 | if (adapter->function_mode & 0x400) |
82903e4b AK |
3019 | adapter->max_vlans = BE_NUM_VLANS_SUPPORTED/4; |
3020 | else | |
3021 | adapter->max_vlans = BE_NUM_VLANS_SUPPORTED; | |
3022 | ||
9e1453c5 AK |
3023 | status = be_cmd_get_cntl_attributes(adapter); |
3024 | if (status) | |
3025 | return status; | |
3026 | ||
2e588f84 | 3027 | be_cmd_check_native_mode(adapter); |
2243e2e9 | 3028 | return 0; |
6b7c5b94 SP |
3029 | } |
3030 | ||
fe6d2a38 SP |
3031 | static int be_dev_family_check(struct be_adapter *adapter) |
3032 | { | |
3033 | struct pci_dev *pdev = adapter->pdev; | |
3034 | u32 sli_intf = 0, if_type; | |
3035 | ||
3036 | switch (pdev->device) { | |
3037 | case BE_DEVICE_ID1: | |
3038 | case OC_DEVICE_ID1: | |
3039 | adapter->generation = BE_GEN2; | |
3040 | break; | |
3041 | case BE_DEVICE_ID2: | |
3042 | case OC_DEVICE_ID2: | |
3043 | adapter->generation = BE_GEN3; | |
3044 | break; | |
3045 | case OC_DEVICE_ID3: | |
3046 | pci_read_config_dword(pdev, SLI_INTF_REG_OFFSET, &sli_intf); | |
3047 | if_type = (sli_intf & SLI_INTF_IF_TYPE_MASK) >> | |
3048 | SLI_INTF_IF_TYPE_SHIFT; | |
3049 | ||
3050 | if (((sli_intf & SLI_INTF_VALID_MASK) != SLI_INTF_VALID) || | |
3051 | if_type != 0x02) { | |
3052 | dev_err(&pdev->dev, "SLI_INTF reg val is not valid\n"); | |
3053 | return -EINVAL; | |
3054 | } | |
3055 | if (num_vfs > 0) { | |
3056 | dev_err(&pdev->dev, "VFs not supported\n"); | |
3057 | return -EINVAL; | |
3058 | } | |
3059 | adapter->sli_family = ((sli_intf & SLI_INTF_FAMILY_MASK) >> | |
3060 | SLI_INTF_FAMILY_SHIFT); | |
3061 | adapter->generation = BE_GEN3; | |
3062 | break; | |
3063 | default: | |
3064 | adapter->generation = 0; | |
3065 | } | |
3066 | return 0; | |
3067 | } | |
3068 | ||
37eed1cb PR |
3069 | static int lancer_wait_ready(struct be_adapter *adapter) |
3070 | { | |
3071 | #define SLIPORT_READY_TIMEOUT 500 | |
3072 | u32 sliport_status; | |
3073 | int status = 0, i; | |
3074 | ||
3075 | for (i = 0; i < SLIPORT_READY_TIMEOUT; i++) { | |
3076 | sliport_status = ioread32(adapter->db + SLIPORT_STATUS_OFFSET); | |
3077 | if (sliport_status & SLIPORT_STATUS_RDY_MASK) | |
3078 | break; | |
3079 | ||
3080 | msleep(20); | |
3081 | } | |
3082 | ||
3083 | if (i == SLIPORT_READY_TIMEOUT) | |
3084 | status = -1; | |
3085 | ||
3086 | return status; | |
3087 | } | |
3088 | ||
3089 | static int lancer_test_and_set_rdy_state(struct be_adapter *adapter) | |
3090 | { | |
3091 | int status; | |
3092 | u32 sliport_status, err, reset_needed; | |
3093 | status = lancer_wait_ready(adapter); | |
3094 | if (!status) { | |
3095 | sliport_status = ioread32(adapter->db + SLIPORT_STATUS_OFFSET); | |
3096 | err = sliport_status & SLIPORT_STATUS_ERR_MASK; | |
3097 | reset_needed = sliport_status & SLIPORT_STATUS_RN_MASK; | |
3098 | if (err && reset_needed) { | |
3099 | iowrite32(SLI_PORT_CONTROL_IP_MASK, | |
3100 | adapter->db + SLIPORT_CONTROL_OFFSET); | |
3101 | ||
3102 | /* check adapter has corrected the error */ | |
3103 | status = lancer_wait_ready(adapter); | |
3104 | sliport_status = ioread32(adapter->db + | |
3105 | SLIPORT_STATUS_OFFSET); | |
3106 | sliport_status &= (SLIPORT_STATUS_ERR_MASK | | |
3107 | SLIPORT_STATUS_RN_MASK); | |
3108 | if (status || sliport_status) | |
3109 | status = -1; | |
3110 | } else if (err || reset_needed) { | |
3111 | status = -1; | |
3112 | } | |
3113 | } | |
3114 | return status; | |
3115 | } | |
3116 | ||
6b7c5b94 SP |
3117 | static int __devinit be_probe(struct pci_dev *pdev, |
3118 | const struct pci_device_id *pdev_id) | |
3119 | { | |
3120 | int status = 0; | |
3121 | struct be_adapter *adapter; | |
3122 | struct net_device *netdev; | |
6b7c5b94 SP |
3123 | |
3124 | status = pci_enable_device(pdev); | |
3125 | if (status) | |
3126 | goto do_none; | |
3127 | ||
3128 | status = pci_request_regions(pdev, DRV_NAME); | |
3129 | if (status) | |
3130 | goto disable_dev; | |
3131 | pci_set_master(pdev); | |
3132 | ||
3133 | netdev = alloc_etherdev(sizeof(struct be_adapter)); | |
3134 | if (netdev == NULL) { | |
3135 | status = -ENOMEM; | |
3136 | goto rel_reg; | |
3137 | } | |
3138 | adapter = netdev_priv(netdev); | |
3139 | adapter->pdev = pdev; | |
3140 | pci_set_drvdata(pdev, adapter); | |
fe6d2a38 SP |
3141 | |
3142 | status = be_dev_family_check(adapter); | |
63657b9c | 3143 | if (status) |
fe6d2a38 SP |
3144 | goto free_netdev; |
3145 | ||
6b7c5b94 | 3146 | adapter->netdev = netdev; |
2243e2e9 | 3147 | SET_NETDEV_DEV(netdev, &pdev->dev); |
6b7c5b94 | 3148 | |
2b7bcebf | 3149 | status = dma_set_mask(&pdev->dev, DMA_BIT_MASK(64)); |
6b7c5b94 SP |
3150 | if (!status) { |
3151 | netdev->features |= NETIF_F_HIGHDMA; | |
3152 | } else { | |
2b7bcebf | 3153 | status = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32)); |
6b7c5b94 SP |
3154 | if (status) { |
3155 | dev_err(&pdev->dev, "Could not set PCI DMA Mask\n"); | |
3156 | goto free_netdev; | |
3157 | } | |
3158 | } | |
3159 | ||
ba343c77 | 3160 | be_sriov_enable(adapter); |
48f5a191 AK |
3161 | if (adapter->sriov_enabled) { |
3162 | adapter->vf_cfg = kcalloc(num_vfs, | |
3163 | sizeof(struct be_vf_cfg), GFP_KERNEL); | |
3164 | ||
3165 | if (!adapter->vf_cfg) | |
3166 | goto free_netdev; | |
3167 | } | |
ba343c77 | 3168 | |
6b7c5b94 SP |
3169 | status = be_ctrl_init(adapter); |
3170 | if (status) | |
48f5a191 | 3171 | goto free_vf_cfg; |
6b7c5b94 | 3172 | |
37eed1cb PR |
3173 | if (lancer_chip(adapter)) { |
3174 | status = lancer_test_and_set_rdy_state(adapter); | |
3175 | if (status) { | |
3176 | dev_err(&pdev->dev, "Adapter in non recoverable error\n"); | |
48f5a191 | 3177 | goto ctrl_clean; |
37eed1cb PR |
3178 | } |
3179 | } | |
3180 | ||
2243e2e9 | 3181 | /* sync up with fw's ready state */ |
ba343c77 SB |
3182 | if (be_physfn(adapter)) { |
3183 | status = be_cmd_POST(adapter); | |
3184 | if (status) | |
3185 | goto ctrl_clean; | |
ba343c77 | 3186 | } |
6b7c5b94 | 3187 | |
2243e2e9 SP |
3188 | /* tell fw we're ready to fire cmds */ |
3189 | status = be_cmd_fw_init(adapter); | |
6b7c5b94 | 3190 | if (status) |
2243e2e9 SP |
3191 | goto ctrl_clean; |
3192 | ||
a4b4dfab AK |
3193 | status = be_cmd_reset_function(adapter); |
3194 | if (status) | |
3195 | goto ctrl_clean; | |
556ae191 | 3196 | |
2243e2e9 SP |
3197 | status = be_stats_init(adapter); |
3198 | if (status) | |
3199 | goto ctrl_clean; | |
3200 | ||
3201 | status = be_get_config(adapter); | |
6b7c5b94 SP |
3202 | if (status) |
3203 | goto stats_clean; | |
6b7c5b94 | 3204 | |
3abcdeda SP |
3205 | be_msix_enable(adapter); |
3206 | ||
6b7c5b94 | 3207 | INIT_DELAYED_WORK(&adapter->work, be_worker); |
6b7c5b94 | 3208 | |
5fb379ee SP |
3209 | status = be_setup(adapter); |
3210 | if (status) | |
3abcdeda | 3211 | goto msix_disable; |
2243e2e9 | 3212 | |
3abcdeda | 3213 | be_netdev_init(netdev); |
6b7c5b94 SP |
3214 | status = register_netdev(netdev); |
3215 | if (status != 0) | |
5fb379ee | 3216 | goto unsetup; |
63a76944 | 3217 | netif_carrier_off(netdev); |
6b7c5b94 | 3218 | |
e6319365 | 3219 | if (be_physfn(adapter) && adapter->sriov_enabled) { |
d0381c42 AK |
3220 | u8 mac_speed; |
3221 | bool link_up; | |
3222 | u16 vf, lnk_speed; | |
3223 | ||
e6319365 AK |
3224 | status = be_vf_eth_addr_config(adapter); |
3225 | if (status) | |
3226 | goto unreg_netdev; | |
d0381c42 AK |
3227 | |
3228 | for (vf = 0; vf < num_vfs; vf++) { | |
3229 | status = be_cmd_link_status_query(adapter, &link_up, | |
3230 | &mac_speed, &lnk_speed, vf + 1); | |
3231 | if (!status) | |
3232 | adapter->vf_cfg[vf].vf_tx_rate = lnk_speed * 10; | |
3233 | else | |
3234 | goto unreg_netdev; | |
3235 | } | |
e6319365 AK |
3236 | } |
3237 | ||
c4ca2374 | 3238 | dev_info(&pdev->dev, "%s port %d\n", nic_name(pdev), adapter->port_num); |
f203af70 | 3239 | schedule_delayed_work(&adapter->work, msecs_to_jiffies(100)); |
6b7c5b94 SP |
3240 | return 0; |
3241 | ||
e6319365 AK |
3242 | unreg_netdev: |
3243 | unregister_netdev(netdev); | |
5fb379ee SP |
3244 | unsetup: |
3245 | be_clear(adapter); | |
3abcdeda SP |
3246 | msix_disable: |
3247 | be_msix_disable(adapter); | |
6b7c5b94 SP |
3248 | stats_clean: |
3249 | be_stats_cleanup(adapter); | |
3250 | ctrl_clean: | |
3251 | be_ctrl_cleanup(adapter); | |
48f5a191 AK |
3252 | free_vf_cfg: |
3253 | kfree(adapter->vf_cfg); | |
6b7c5b94 | 3254 | free_netdev: |
ba343c77 | 3255 | be_sriov_disable(adapter); |
fe6d2a38 | 3256 | free_netdev(netdev); |
8d56ff11 | 3257 | pci_set_drvdata(pdev, NULL); |
6b7c5b94 SP |
3258 | rel_reg: |
3259 | pci_release_regions(pdev); | |
3260 | disable_dev: | |
3261 | pci_disable_device(pdev); | |
3262 | do_none: | |
c4ca2374 | 3263 | dev_err(&pdev->dev, "%s initialization failed\n", nic_name(pdev)); |
6b7c5b94 SP |
3264 | return status; |
3265 | } | |
3266 | ||
3267 | static int be_suspend(struct pci_dev *pdev, pm_message_t state) | |
3268 | { | |
3269 | struct be_adapter *adapter = pci_get_drvdata(pdev); | |
3270 | struct net_device *netdev = adapter->netdev; | |
3271 | ||
a4ca055f | 3272 | cancel_delayed_work_sync(&adapter->work); |
71d8d1b5 AK |
3273 | if (adapter->wol) |
3274 | be_setup_wol(adapter, true); | |
3275 | ||
6b7c5b94 SP |
3276 | netif_device_detach(netdev); |
3277 | if (netif_running(netdev)) { | |
3278 | rtnl_lock(); | |
3279 | be_close(netdev); | |
3280 | rtnl_unlock(); | |
3281 | } | |
9e90c961 | 3282 | be_cmd_get_flow_control(adapter, &adapter->tx_fc, &adapter->rx_fc); |
9b0365f1 | 3283 | be_clear(adapter); |
6b7c5b94 | 3284 | |
a4ca055f | 3285 | be_msix_disable(adapter); |
6b7c5b94 SP |
3286 | pci_save_state(pdev); |
3287 | pci_disable_device(pdev); | |
3288 | pci_set_power_state(pdev, pci_choose_state(pdev, state)); | |
3289 | return 0; | |
3290 | } | |
3291 | ||
3292 | static int be_resume(struct pci_dev *pdev) | |
3293 | { | |
3294 | int status = 0; | |
3295 | struct be_adapter *adapter = pci_get_drvdata(pdev); | |
3296 | struct net_device *netdev = adapter->netdev; | |
3297 | ||
3298 | netif_device_detach(netdev); | |
3299 | ||
3300 | status = pci_enable_device(pdev); | |
3301 | if (status) | |
3302 | return status; | |
3303 | ||
3304 | pci_set_power_state(pdev, 0); | |
3305 | pci_restore_state(pdev); | |
3306 | ||
a4ca055f | 3307 | be_msix_enable(adapter); |
2243e2e9 SP |
3308 | /* tell fw we're ready to fire cmds */ |
3309 | status = be_cmd_fw_init(adapter); | |
3310 | if (status) | |
3311 | return status; | |
3312 | ||
9b0365f1 | 3313 | be_setup(adapter); |
6b7c5b94 SP |
3314 | if (netif_running(netdev)) { |
3315 | rtnl_lock(); | |
3316 | be_open(netdev); | |
3317 | rtnl_unlock(); | |
3318 | } | |
3319 | netif_device_attach(netdev); | |
71d8d1b5 AK |
3320 | |
3321 | if (adapter->wol) | |
3322 | be_setup_wol(adapter, false); | |
a4ca055f AK |
3323 | |
3324 | schedule_delayed_work(&adapter->work, msecs_to_jiffies(100)); | |
6b7c5b94 SP |
3325 | return 0; |
3326 | } | |
3327 | ||
82456b03 SP |
3328 | /* |
3329 | * An FLR will stop BE from DMAing any data. | |
3330 | */ | |
3331 | static void be_shutdown(struct pci_dev *pdev) | |
3332 | { | |
3333 | struct be_adapter *adapter = pci_get_drvdata(pdev); | |
82456b03 | 3334 | |
2d5d4154 AK |
3335 | if (!adapter) |
3336 | return; | |
82456b03 | 3337 | |
0f4a6828 | 3338 | cancel_delayed_work_sync(&adapter->work); |
a4ca055f | 3339 | |
2d5d4154 | 3340 | netif_device_detach(adapter->netdev); |
82456b03 | 3341 | |
82456b03 SP |
3342 | if (adapter->wol) |
3343 | be_setup_wol(adapter, true); | |
3344 | ||
57841869 AK |
3345 | be_cmd_reset_function(adapter); |
3346 | ||
82456b03 | 3347 | pci_disable_device(pdev); |
82456b03 SP |
3348 | } |
3349 | ||
cf588477 SP |
3350 | static pci_ers_result_t be_eeh_err_detected(struct pci_dev *pdev, |
3351 | pci_channel_state_t state) | |
3352 | { | |
3353 | struct be_adapter *adapter = pci_get_drvdata(pdev); | |
3354 | struct net_device *netdev = adapter->netdev; | |
3355 | ||
3356 | dev_err(&adapter->pdev->dev, "EEH error detected\n"); | |
3357 | ||
3358 | adapter->eeh_err = true; | |
3359 | ||
3360 | netif_device_detach(netdev); | |
3361 | ||
3362 | if (netif_running(netdev)) { | |
3363 | rtnl_lock(); | |
3364 | be_close(netdev); | |
3365 | rtnl_unlock(); | |
3366 | } | |
3367 | be_clear(adapter); | |
3368 | ||
3369 | if (state == pci_channel_io_perm_failure) | |
3370 | return PCI_ERS_RESULT_DISCONNECT; | |
3371 | ||
3372 | pci_disable_device(pdev); | |
3373 | ||
3374 | return PCI_ERS_RESULT_NEED_RESET; | |
3375 | } | |
3376 | ||
3377 | static pci_ers_result_t be_eeh_reset(struct pci_dev *pdev) | |
3378 | { | |
3379 | struct be_adapter *adapter = pci_get_drvdata(pdev); | |
3380 | int status; | |
3381 | ||
3382 | dev_info(&adapter->pdev->dev, "EEH reset\n"); | |
3383 | adapter->eeh_err = false; | |
3384 | ||
3385 | status = pci_enable_device(pdev); | |
3386 | if (status) | |
3387 | return PCI_ERS_RESULT_DISCONNECT; | |
3388 | ||
3389 | pci_set_master(pdev); | |
3390 | pci_set_power_state(pdev, 0); | |
3391 | pci_restore_state(pdev); | |
3392 | ||
3393 | /* Check if card is ok and fw is ready */ | |
3394 | status = be_cmd_POST(adapter); | |
3395 | if (status) | |
3396 | return PCI_ERS_RESULT_DISCONNECT; | |
3397 | ||
3398 | return PCI_ERS_RESULT_RECOVERED; | |
3399 | } | |
3400 | ||
3401 | static void be_eeh_resume(struct pci_dev *pdev) | |
3402 | { | |
3403 | int status = 0; | |
3404 | struct be_adapter *adapter = pci_get_drvdata(pdev); | |
3405 | struct net_device *netdev = adapter->netdev; | |
3406 | ||
3407 | dev_info(&adapter->pdev->dev, "EEH resume\n"); | |
3408 | ||
3409 | pci_save_state(pdev); | |
3410 | ||
3411 | /* tell fw we're ready to fire cmds */ | |
3412 | status = be_cmd_fw_init(adapter); | |
3413 | if (status) | |
3414 | goto err; | |
3415 | ||
3416 | status = be_setup(adapter); | |
3417 | if (status) | |
3418 | goto err; | |
3419 | ||
3420 | if (netif_running(netdev)) { | |
3421 | status = be_open(netdev); | |
3422 | if (status) | |
3423 | goto err; | |
3424 | } | |
3425 | netif_device_attach(netdev); | |
3426 | return; | |
3427 | err: | |
3428 | dev_err(&adapter->pdev->dev, "EEH resume failed\n"); | |
cf588477 SP |
3429 | } |
3430 | ||
3431 | static struct pci_error_handlers be_eeh_handlers = { | |
3432 | .error_detected = be_eeh_err_detected, | |
3433 | .slot_reset = be_eeh_reset, | |
3434 | .resume = be_eeh_resume, | |
3435 | }; | |
3436 | ||
6b7c5b94 SP |
3437 | static struct pci_driver be_driver = { |
3438 | .name = DRV_NAME, | |
3439 | .id_table = be_dev_ids, | |
3440 | .probe = be_probe, | |
3441 | .remove = be_remove, | |
3442 | .suspend = be_suspend, | |
cf588477 | 3443 | .resume = be_resume, |
82456b03 | 3444 | .shutdown = be_shutdown, |
cf588477 | 3445 | .err_handler = &be_eeh_handlers |
6b7c5b94 SP |
3446 | }; |
3447 | ||
3448 | static int __init be_init_module(void) | |
3449 | { | |
8e95a202 JP |
3450 | if (rx_frag_size != 8192 && rx_frag_size != 4096 && |
3451 | rx_frag_size != 2048) { | |
6b7c5b94 SP |
3452 | printk(KERN_WARNING DRV_NAME |
3453 | " : Module param rx_frag_size must be 2048/4096/8192." | |
3454 | " Using 2048\n"); | |
3455 | rx_frag_size = 2048; | |
3456 | } | |
6b7c5b94 SP |
3457 | |
3458 | return pci_register_driver(&be_driver); | |
3459 | } | |
3460 | module_init(be_init_module); | |
3461 | ||
3462 | static void __exit be_exit_module(void) | |
3463 | { | |
3464 | pci_unregister_driver(&be_driver); | |
3465 | } | |
3466 | module_exit(be_exit_module); |