diff options
Diffstat (limited to 'drivers/net/benet/be_main.c')
-rw-r--r-- | drivers/net/benet/be_main.c | 3676 |
1 files changed, 3676 insertions, 0 deletions
diff --git a/drivers/net/benet/be_main.c b/drivers/net/benet/be_main.c new file mode 100644 index 00000000000..c411bb1845f --- /dev/null +++ b/drivers/net/benet/be_main.c | |||
@@ -0,0 +1,3676 @@ | |||
1 | /* | ||
2 | * Copyright (C) 2005 - 2011 Emulex | ||
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: | ||
11 | * linux-drivers@emulex.com | ||
12 | * | ||
13 | * Emulex | ||
14 | * 3333 Susan Street | ||
15 | * Costa Mesa, CA 92626 | ||
16 | */ | ||
17 | |||
18 | #include <linux/prefetch.h> | ||
19 | #include "be.h" | ||
20 | #include "be_cmds.h" | ||
21 | #include <asm/div64.h> | ||
22 | |||
23 | MODULE_VERSION(DRV_VER); | ||
24 | MODULE_DEVICE_TABLE(pci, be_dev_ids); | ||
25 | MODULE_DESCRIPTION(DRV_DESC " " DRV_VER); | ||
26 | MODULE_AUTHOR("ServerEngines Corporation"); | ||
27 | MODULE_LICENSE("GPL"); | ||
28 | |||
29 | static ushort rx_frag_size = 2048; | ||
30 | static unsigned int num_vfs; | ||
31 | module_param(rx_frag_size, ushort, S_IRUGO); | ||
32 | module_param(num_vfs, uint, S_IRUGO); | ||
33 | MODULE_PARM_DESC(rx_frag_size, "Size of a fragment that holds rcvd data."); | ||
34 | MODULE_PARM_DESC(num_vfs, "Number of PCI VFs to initialize"); | ||
35 | |||
36 | static DEFINE_PCI_DEVICE_TABLE(be_dev_ids) = { | ||
37 | { PCI_DEVICE(BE_VENDOR_ID, BE_DEVICE_ID1) }, | ||
38 | { PCI_DEVICE(BE_VENDOR_ID, BE_DEVICE_ID2) }, | ||
39 | { PCI_DEVICE(BE_VENDOR_ID, OC_DEVICE_ID1) }, | ||
40 | { PCI_DEVICE(BE_VENDOR_ID, OC_DEVICE_ID2) }, | ||
41 | { PCI_DEVICE(EMULEX_VENDOR_ID, OC_DEVICE_ID3)}, | ||
42 | { PCI_DEVICE(EMULEX_VENDOR_ID, OC_DEVICE_ID4)}, | ||
43 | { 0 } | ||
44 | }; | ||
45 | MODULE_DEVICE_TABLE(pci, be_dev_ids); | ||
46 | /* UE Status Low CSR */ | ||
47 | static const char * const ue_status_low_desc[] = { | ||
48 | "CEV", | ||
49 | "CTX", | ||
50 | "DBUF", | ||
51 | "ERX", | ||
52 | "Host", | ||
53 | "MPU", | ||
54 | "NDMA", | ||
55 | "PTC ", | ||
56 | "RDMA ", | ||
57 | "RXF ", | ||
58 | "RXIPS ", | ||
59 | "RXULP0 ", | ||
60 | "RXULP1 ", | ||
61 | "RXULP2 ", | ||
62 | "TIM ", | ||
63 | "TPOST ", | ||
64 | "TPRE ", | ||
65 | "TXIPS ", | ||
66 | "TXULP0 ", | ||
67 | "TXULP1 ", | ||
68 | "UC ", | ||
69 | "WDMA ", | ||
70 | "TXULP2 ", | ||
71 | "HOST1 ", | ||
72 | "P0_OB_LINK ", | ||
73 | "P1_OB_LINK ", | ||
74 | "HOST_GPIO ", | ||
75 | "MBOX ", | ||
76 | "AXGMAC0", | ||
77 | "AXGMAC1", | ||
78 | "JTAG", | ||
79 | "MPU_INTPEND" | ||
80 | }; | ||
81 | /* UE Status High CSR */ | ||
82 | static const char * const ue_status_hi_desc[] = { | ||
83 | "LPCMEMHOST", | ||
84 | "MGMT_MAC", | ||
85 | "PCS0ONLINE", | ||
86 | "MPU_IRAM", | ||
87 | "PCS1ONLINE", | ||
88 | "PCTL0", | ||
89 | "PCTL1", | ||
90 | "PMEM", | ||
91 | "RR", | ||
92 | "TXPB", | ||
93 | "RXPP", | ||
94 | "XAUI", | ||
95 | "TXP", | ||
96 | "ARM", | ||
97 | "IPC", | ||
98 | "HOST2", | ||
99 | "HOST3", | ||
100 | "HOST4", | ||
101 | "HOST5", | ||
102 | "HOST6", | ||
103 | "HOST7", | ||
104 | "HOST8", | ||
105 | "HOST9", | ||
106 | "NETC", | ||
107 | "Unknown", | ||
108 | "Unknown", | ||
109 | "Unknown", | ||
110 | "Unknown", | ||
111 | "Unknown", | ||
112 | "Unknown", | ||
113 | "Unknown", | ||
114 | "Unknown" | ||
115 | }; | ||
116 | |||
117 | static void be_queue_free(struct be_adapter *adapter, struct be_queue_info *q) | ||
118 | { | ||
119 | struct be_dma_mem *mem = &q->dma_mem; | ||
120 | if (mem->va) | ||
121 | dma_free_coherent(&adapter->pdev->dev, mem->size, mem->va, | ||
122 | mem->dma); | ||
123 | } | ||
124 | |||
125 | static int be_queue_alloc(struct be_adapter *adapter, struct be_queue_info *q, | ||
126 | u16 len, u16 entry_size) | ||
127 | { | ||
128 | struct be_dma_mem *mem = &q->dma_mem; | ||
129 | |||
130 | memset(q, 0, sizeof(*q)); | ||
131 | q->len = len; | ||
132 | q->entry_size = entry_size; | ||
133 | mem->size = len * entry_size; | ||
134 | mem->va = dma_alloc_coherent(&adapter->pdev->dev, mem->size, &mem->dma, | ||
135 | GFP_KERNEL); | ||
136 | if (!mem->va) | ||
137 | return -1; | ||
138 | memset(mem->va, 0, mem->size); | ||
139 | return 0; | ||
140 | } | ||
141 | |||
142 | static void be_intr_set(struct be_adapter *adapter, bool enable) | ||
143 | { | ||
144 | u8 __iomem *addr = adapter->pcicfg + PCICFG_MEMBAR_CTRL_INT_CTRL_OFFSET; | ||
145 | u32 reg = ioread32(addr); | ||
146 | u32 enabled = reg & MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK; | ||
147 | |||
148 | if (adapter->eeh_err) | ||
149 | return; | ||
150 | |||
151 | if (!enabled && enable) | ||
152 | reg |= MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK; | ||
153 | else if (enabled && !enable) | ||
154 | reg &= ~MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK; | ||
155 | else | ||
156 | return; | ||
157 | |||
158 | iowrite32(reg, addr); | ||
159 | } | ||
160 | |||
161 | static void be_rxq_notify(struct be_adapter *adapter, u16 qid, u16 posted) | ||
162 | { | ||
163 | u32 val = 0; | ||
164 | val |= qid & DB_RQ_RING_ID_MASK; | ||
165 | val |= posted << DB_RQ_NUM_POSTED_SHIFT; | ||
166 | |||
167 | wmb(); | ||
168 | iowrite32(val, adapter->db + DB_RQ_OFFSET); | ||
169 | } | ||
170 | |||
171 | static void be_txq_notify(struct be_adapter *adapter, u16 qid, u16 posted) | ||
172 | { | ||
173 | u32 val = 0; | ||
174 | val |= qid & DB_TXULP_RING_ID_MASK; | ||
175 | val |= (posted & DB_TXULP_NUM_POSTED_MASK) << DB_TXULP_NUM_POSTED_SHIFT; | ||
176 | |||
177 | wmb(); | ||
178 | iowrite32(val, adapter->db + DB_TXULP1_OFFSET); | ||
179 | } | ||
180 | |||
181 | static void be_eq_notify(struct be_adapter *adapter, u16 qid, | ||
182 | bool arm, bool clear_int, u16 num_popped) | ||
183 | { | ||
184 | u32 val = 0; | ||
185 | val |= qid & DB_EQ_RING_ID_MASK; | ||
186 | val |= ((qid & DB_EQ_RING_ID_EXT_MASK) << | ||
187 | DB_EQ_RING_ID_EXT_MASK_SHIFT); | ||
188 | |||
189 | if (adapter->eeh_err) | ||
190 | return; | ||
191 | |||
192 | if (arm) | ||
193 | val |= 1 << DB_EQ_REARM_SHIFT; | ||
194 | if (clear_int) | ||
195 | val |= 1 << DB_EQ_CLR_SHIFT; | ||
196 | val |= 1 << DB_EQ_EVNT_SHIFT; | ||
197 | val |= num_popped << DB_EQ_NUM_POPPED_SHIFT; | ||
198 | iowrite32(val, adapter->db + DB_EQ_OFFSET); | ||
199 | } | ||
200 | |||
201 | void be_cq_notify(struct be_adapter *adapter, u16 qid, bool arm, u16 num_popped) | ||
202 | { | ||
203 | u32 val = 0; | ||
204 | val |= qid & DB_CQ_RING_ID_MASK; | ||
205 | val |= ((qid & DB_CQ_RING_ID_EXT_MASK) << | ||
206 | DB_CQ_RING_ID_EXT_MASK_SHIFT); | ||
207 | |||
208 | if (adapter->eeh_err) | ||
209 | return; | ||
210 | |||
211 | if (arm) | ||
212 | val |= 1 << DB_CQ_REARM_SHIFT; | ||
213 | val |= num_popped << DB_CQ_NUM_POPPED_SHIFT; | ||
214 | iowrite32(val, adapter->db + DB_CQ_OFFSET); | ||
215 | } | ||
216 | |||
217 | static int be_mac_addr_set(struct net_device *netdev, void *p) | ||
218 | { | ||
219 | struct be_adapter *adapter = netdev_priv(netdev); | ||
220 | struct sockaddr *addr = p; | ||
221 | int status = 0; | ||
222 | |||
223 | if (!is_valid_ether_addr(addr->sa_data)) | ||
224 | return -EADDRNOTAVAIL; | ||
225 | |||
226 | /* MAC addr configuration will be done in hardware for VFs | ||
227 | * by their corresponding PFs. Just copy to netdev addr here | ||
228 | */ | ||
229 | if (!be_physfn(adapter)) | ||
230 | goto netdev_addr; | ||
231 | |||
232 | status = be_cmd_pmac_del(adapter, adapter->if_handle, | ||
233 | adapter->pmac_id, 0); | ||
234 | if (status) | ||
235 | return status; | ||
236 | |||
237 | status = be_cmd_pmac_add(adapter, (u8 *)addr->sa_data, | ||
238 | adapter->if_handle, &adapter->pmac_id, 0); | ||
239 | netdev_addr: | ||
240 | if (!status) | ||
241 | memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); | ||
242 | |||
243 | return status; | ||
244 | } | ||
245 | |||
246 | static void populate_be2_stats(struct be_adapter *adapter) | ||
247 | { | ||
248 | |||
249 | struct be_drv_stats *drvs = &adapter->drv_stats; | ||
250 | struct be_pmem_stats *pmem_sts = be_pmem_stats_from_cmd(adapter); | ||
251 | struct be_port_rxf_stats_v0 *port_stats = | ||
252 | be_port_rxf_stats_from_cmd(adapter); | ||
253 | struct be_rxf_stats_v0 *rxf_stats = | ||
254 | be_rxf_stats_from_cmd(adapter); | ||
255 | |||
256 | drvs->rx_pause_frames = port_stats->rx_pause_frames; | ||
257 | drvs->rx_crc_errors = port_stats->rx_crc_errors; | ||
258 | drvs->rx_control_frames = port_stats->rx_control_frames; | ||
259 | drvs->rx_in_range_errors = port_stats->rx_in_range_errors; | ||
260 | drvs->rx_frame_too_long = port_stats->rx_frame_too_long; | ||
261 | drvs->rx_dropped_runt = port_stats->rx_dropped_runt; | ||
262 | drvs->rx_ip_checksum_errs = port_stats->rx_ip_checksum_errs; | ||
263 | drvs->rx_tcp_checksum_errs = port_stats->rx_tcp_checksum_errs; | ||
264 | drvs->rx_udp_checksum_errs = port_stats->rx_udp_checksum_errs; | ||
265 | drvs->rxpp_fifo_overflow_drop = port_stats->rx_fifo_overflow; | ||
266 | drvs->rx_dropped_tcp_length = port_stats->rx_dropped_tcp_length; | ||
267 | drvs->rx_dropped_too_small = port_stats->rx_dropped_too_small; | ||
268 | drvs->rx_dropped_too_short = port_stats->rx_dropped_too_short; | ||
269 | drvs->rx_out_range_errors = port_stats->rx_out_range_errors; | ||
270 | drvs->rx_input_fifo_overflow_drop = | ||
271 | port_stats->rx_input_fifo_overflow; | ||
272 | drvs->rx_dropped_header_too_small = | ||
273 | port_stats->rx_dropped_header_too_small; | ||
274 | drvs->rx_address_match_errors = | ||
275 | port_stats->rx_address_match_errors; | ||
276 | drvs->rx_alignment_symbol_errors = | ||
277 | port_stats->rx_alignment_symbol_errors; | ||
278 | |||
279 | drvs->tx_pauseframes = port_stats->tx_pauseframes; | ||
280 | drvs->tx_controlframes = port_stats->tx_controlframes; | ||
281 | |||
282 | if (adapter->port_num) | ||
283 | drvs->jabber_events = | ||
284 | rxf_stats->port1_jabber_events; | ||
285 | else | ||
286 | drvs->jabber_events = | ||
287 | rxf_stats->port0_jabber_events; | ||
288 | drvs->rx_drops_no_pbuf = rxf_stats->rx_drops_no_pbuf; | ||
289 | drvs->rx_drops_no_txpb = rxf_stats->rx_drops_no_txpb; | ||
290 | drvs->rx_drops_no_erx_descr = rxf_stats->rx_drops_no_erx_descr; | ||
291 | drvs->rx_drops_invalid_ring = rxf_stats->rx_drops_invalid_ring; | ||
292 | drvs->forwarded_packets = rxf_stats->forwarded_packets; | ||
293 | drvs->rx_drops_mtu = rxf_stats->rx_drops_mtu; | ||
294 | drvs->rx_drops_no_tpre_descr = | ||
295 | rxf_stats->rx_drops_no_tpre_descr; | ||
296 | drvs->rx_drops_too_many_frags = | ||
297 | rxf_stats->rx_drops_too_many_frags; | ||
298 | adapter->drv_stats.eth_red_drops = pmem_sts->eth_red_drops; | ||
299 | } | ||
300 | |||
301 | static void populate_be3_stats(struct be_adapter *adapter) | ||
302 | { | ||
303 | struct be_drv_stats *drvs = &adapter->drv_stats; | ||
304 | struct be_pmem_stats *pmem_sts = be_pmem_stats_from_cmd(adapter); | ||
305 | |||
306 | struct be_rxf_stats_v1 *rxf_stats = | ||
307 | be_rxf_stats_from_cmd(adapter); | ||
308 | struct be_port_rxf_stats_v1 *port_stats = | ||
309 | be_port_rxf_stats_from_cmd(adapter); | ||
310 | |||
311 | drvs->rx_priority_pause_frames = 0; | ||
312 | drvs->pmem_fifo_overflow_drop = 0; | ||
313 | drvs->rx_pause_frames = port_stats->rx_pause_frames; | ||
314 | drvs->rx_crc_errors = port_stats->rx_crc_errors; | ||
315 | drvs->rx_control_frames = port_stats->rx_control_frames; | ||
316 | drvs->rx_in_range_errors = port_stats->rx_in_range_errors; | ||
317 | drvs->rx_frame_too_long = port_stats->rx_frame_too_long; | ||
318 | drvs->rx_dropped_runt = port_stats->rx_dropped_runt; | ||
319 | drvs->rx_ip_checksum_errs = port_stats->rx_ip_checksum_errs; | ||
320 | drvs->rx_tcp_checksum_errs = port_stats->rx_tcp_checksum_errs; | ||
321 | drvs->rx_udp_checksum_errs = port_stats->rx_udp_checksum_errs; | ||
322 | drvs->rx_dropped_tcp_length = port_stats->rx_dropped_tcp_length; | ||
323 | drvs->rx_dropped_too_small = port_stats->rx_dropped_too_small; | ||
324 | drvs->rx_dropped_too_short = port_stats->rx_dropped_too_short; | ||
325 | drvs->rx_out_range_errors = port_stats->rx_out_range_errors; | ||
326 | drvs->rx_dropped_header_too_small = | ||
327 | port_stats->rx_dropped_header_too_small; | ||
328 | drvs->rx_input_fifo_overflow_drop = | ||
329 | port_stats->rx_input_fifo_overflow_drop; | ||
330 | drvs->rx_address_match_errors = | ||
331 | port_stats->rx_address_match_errors; | ||
332 | drvs->rx_alignment_symbol_errors = | ||
333 | port_stats->rx_alignment_symbol_errors; | ||
334 | drvs->rxpp_fifo_overflow_drop = | ||
335 | port_stats->rxpp_fifo_overflow_drop; | ||
336 | drvs->tx_pauseframes = port_stats->tx_pauseframes; | ||
337 | drvs->tx_controlframes = port_stats->tx_controlframes; | ||
338 | drvs->jabber_events = port_stats->jabber_events; | ||
339 | drvs->rx_drops_no_pbuf = rxf_stats->rx_drops_no_pbuf; | ||
340 | drvs->rx_drops_no_txpb = rxf_stats->rx_drops_no_txpb; | ||
341 | drvs->rx_drops_no_erx_descr = rxf_stats->rx_drops_no_erx_descr; | ||
342 | drvs->rx_drops_invalid_ring = rxf_stats->rx_drops_invalid_ring; | ||
343 | drvs->forwarded_packets = rxf_stats->forwarded_packets; | ||
344 | drvs->rx_drops_mtu = rxf_stats->rx_drops_mtu; | ||
345 | drvs->rx_drops_no_tpre_descr = | ||
346 | rxf_stats->rx_drops_no_tpre_descr; | ||
347 | drvs->rx_drops_too_many_frags = | ||
348 | rxf_stats->rx_drops_too_many_frags; | ||
349 | adapter->drv_stats.eth_red_drops = pmem_sts->eth_red_drops; | ||
350 | } | ||
351 | |||
352 | static void populate_lancer_stats(struct be_adapter *adapter) | ||
353 | { | ||
354 | |||
355 | struct be_drv_stats *drvs = &adapter->drv_stats; | ||
356 | struct lancer_cmd_pport_stats *pport_stats = pport_stats_from_cmd | ||
357 | (adapter); | ||
358 | drvs->rx_priority_pause_frames = 0; | ||
359 | drvs->pmem_fifo_overflow_drop = 0; | ||
360 | drvs->rx_pause_frames = | ||
361 | make_64bit_val(pport_stats->rx_pause_frames_hi, | ||
362 | pport_stats->rx_pause_frames_lo); | ||
363 | drvs->rx_crc_errors = make_64bit_val(pport_stats->rx_crc_errors_hi, | ||
364 | pport_stats->rx_crc_errors_lo); | ||
365 | drvs->rx_control_frames = | ||
366 | make_64bit_val(pport_stats->rx_control_frames_hi, | ||
367 | pport_stats->rx_control_frames_lo); | ||
368 | drvs->rx_in_range_errors = pport_stats->rx_in_range_errors; | ||
369 | drvs->rx_frame_too_long = | ||
370 | make_64bit_val(pport_stats->rx_internal_mac_errors_hi, | ||
371 | pport_stats->rx_frames_too_long_lo); | ||
372 | drvs->rx_dropped_runt = pport_stats->rx_dropped_runt; | ||
373 | drvs->rx_ip_checksum_errs = pport_stats->rx_ip_checksum_errors; | ||
374 | drvs->rx_tcp_checksum_errs = pport_stats->rx_tcp_checksum_errors; | ||
375 | drvs->rx_udp_checksum_errs = pport_stats->rx_udp_checksum_errors; | ||
376 | drvs->rx_dropped_tcp_length = | ||
377 | pport_stats->rx_dropped_invalid_tcp_length; | ||
378 | drvs->rx_dropped_too_small = pport_stats->rx_dropped_too_small; | ||
379 | drvs->rx_dropped_too_short = pport_stats->rx_dropped_too_short; | ||
380 | drvs->rx_out_range_errors = pport_stats->rx_out_of_range_errors; | ||
381 | drvs->rx_dropped_header_too_small = | ||
382 | pport_stats->rx_dropped_header_too_small; | ||
383 | drvs->rx_input_fifo_overflow_drop = pport_stats->rx_fifo_overflow; | ||
384 | drvs->rx_address_match_errors = pport_stats->rx_address_match_errors; | ||
385 | drvs->rx_alignment_symbol_errors = | ||
386 | make_64bit_val(pport_stats->rx_symbol_errors_hi, | ||
387 | pport_stats->rx_symbol_errors_lo); | ||
388 | drvs->rxpp_fifo_overflow_drop = pport_stats->rx_fifo_overflow; | ||
389 | drvs->tx_pauseframes = make_64bit_val(pport_stats->tx_pause_frames_hi, | ||
390 | pport_stats->tx_pause_frames_lo); | ||
391 | drvs->tx_controlframes = | ||
392 | make_64bit_val(pport_stats->tx_control_frames_hi, | ||
393 | pport_stats->tx_control_frames_lo); | ||
394 | drvs->jabber_events = pport_stats->rx_jabbers; | ||
395 | drvs->rx_drops_no_pbuf = 0; | ||
396 | drvs->rx_drops_no_txpb = 0; | ||
397 | drvs->rx_drops_no_erx_descr = 0; | ||
398 | drvs->rx_drops_invalid_ring = pport_stats->rx_drops_invalid_queue; | ||
399 | drvs->forwarded_packets = make_64bit_val(pport_stats->num_forwards_hi, | ||
400 | pport_stats->num_forwards_lo); | ||
401 | drvs->rx_drops_mtu = make_64bit_val(pport_stats->rx_drops_mtu_hi, | ||
402 | pport_stats->rx_drops_mtu_lo); | ||
403 | drvs->rx_drops_no_tpre_descr = 0; | ||
404 | drvs->rx_drops_too_many_frags = | ||
405 | make_64bit_val(pport_stats->rx_drops_too_many_frags_hi, | ||
406 | pport_stats->rx_drops_too_many_frags_lo); | ||
407 | } | ||
408 | |||
409 | void be_parse_stats(struct be_adapter *adapter) | ||
410 | { | ||
411 | if (adapter->generation == BE_GEN3) { | ||
412 | if (lancer_chip(adapter)) | ||
413 | populate_lancer_stats(adapter); | ||
414 | else | ||
415 | populate_be3_stats(adapter); | ||
416 | } else { | ||
417 | populate_be2_stats(adapter); | ||
418 | } | ||
419 | } | ||
420 | |||
421 | void netdev_stats_update(struct be_adapter *adapter) | ||
422 | { | ||
423 | struct be_drv_stats *drvs = &adapter->drv_stats; | ||
424 | struct net_device_stats *dev_stats = &adapter->netdev->stats; | ||
425 | struct be_rx_obj *rxo; | ||
426 | struct be_tx_obj *txo; | ||
427 | unsigned long pkts = 0, bytes = 0, mcast = 0, drops = 0; | ||
428 | int i; | ||
429 | |||
430 | for_all_rx_queues(adapter, rxo, i) { | ||
431 | pkts += rx_stats(rxo)->rx_pkts; | ||
432 | bytes += rx_stats(rxo)->rx_bytes; | ||
433 | mcast += rx_stats(rxo)->rx_mcast_pkts; | ||
434 | drops += rx_stats(rxo)->rx_dropped; | ||
435 | /* no space in linux buffers: best possible approximation */ | ||
436 | if (adapter->generation == BE_GEN3) { | ||
437 | if (!(lancer_chip(adapter))) { | ||
438 | struct be_erx_stats_v1 *erx = | ||
439 | be_erx_stats_from_cmd(adapter); | ||
440 | drops += erx->rx_drops_no_fragments[rxo->q.id]; | ||
441 | } | ||
442 | } else { | ||
443 | struct be_erx_stats_v0 *erx = | ||
444 | be_erx_stats_from_cmd(adapter); | ||
445 | drops += erx->rx_drops_no_fragments[rxo->q.id]; | ||
446 | } | ||
447 | } | ||
448 | dev_stats->rx_packets = pkts; | ||
449 | dev_stats->rx_bytes = bytes; | ||
450 | dev_stats->multicast = mcast; | ||
451 | dev_stats->rx_dropped = drops; | ||
452 | |||
453 | pkts = bytes = 0; | ||
454 | for_all_tx_queues(adapter, txo, i) { | ||
455 | pkts += tx_stats(txo)->be_tx_pkts; | ||
456 | bytes += tx_stats(txo)->be_tx_bytes; | ||
457 | } | ||
458 | dev_stats->tx_packets = pkts; | ||
459 | dev_stats->tx_bytes = bytes; | ||
460 | |||
461 | /* bad pkts received */ | ||
462 | dev_stats->rx_errors = drvs->rx_crc_errors + | ||
463 | drvs->rx_alignment_symbol_errors + | ||
464 | drvs->rx_in_range_errors + | ||
465 | drvs->rx_out_range_errors + | ||
466 | drvs->rx_frame_too_long + | ||
467 | drvs->rx_dropped_too_small + | ||
468 | drvs->rx_dropped_too_short + | ||
469 | drvs->rx_dropped_header_too_small + | ||
470 | drvs->rx_dropped_tcp_length + | ||
471 | drvs->rx_dropped_runt + | ||
472 | drvs->rx_tcp_checksum_errs + | ||
473 | drvs->rx_ip_checksum_errs + | ||
474 | drvs->rx_udp_checksum_errs; | ||
475 | |||
476 | /* detailed rx errors */ | ||
477 | dev_stats->rx_length_errors = drvs->rx_in_range_errors + | ||
478 | drvs->rx_out_range_errors + | ||
479 | drvs->rx_frame_too_long; | ||
480 | |||
481 | dev_stats->rx_crc_errors = drvs->rx_crc_errors; | ||
482 | |||
483 | /* frame alignment errors */ | ||
484 | dev_stats->rx_frame_errors = drvs->rx_alignment_symbol_errors; | ||
485 | |||
486 | /* receiver fifo overrun */ | ||
487 | /* drops_no_pbuf is no per i/f, it's per BE card */ | ||
488 | dev_stats->rx_fifo_errors = drvs->rxpp_fifo_overflow_drop + | ||
489 | drvs->rx_input_fifo_overflow_drop + | ||
490 | drvs->rx_drops_no_pbuf; | ||
491 | } | ||
492 | |||
493 | void be_link_status_update(struct be_adapter *adapter, bool link_up) | ||
494 | { | ||
495 | struct net_device *netdev = adapter->netdev; | ||
496 | |||
497 | /* If link came up or went down */ | ||
498 | if (adapter->link_up != link_up) { | ||
499 | adapter->link_speed = -1; | ||
500 | if (link_up) { | ||
501 | netif_carrier_on(netdev); | ||
502 | printk(KERN_INFO "%s: Link up\n", netdev->name); | ||
503 | } else { | ||
504 | netif_carrier_off(netdev); | ||
505 | printk(KERN_INFO "%s: Link down\n", netdev->name); | ||
506 | } | ||
507 | adapter->link_up = link_up; | ||
508 | } | ||
509 | } | ||
510 | |||
511 | /* Update the EQ delay n BE based on the RX frags consumed / sec */ | ||
512 | static void be_rx_eqd_update(struct be_adapter *adapter, struct be_rx_obj *rxo) | ||
513 | { | ||
514 | struct be_eq_obj *rx_eq = &rxo->rx_eq; | ||
515 | struct be_rx_stats *stats = &rxo->stats; | ||
516 | ulong now = jiffies; | ||
517 | u32 eqd; | ||
518 | |||
519 | if (!rx_eq->enable_aic) | ||
520 | return; | ||
521 | |||
522 | /* Wrapped around */ | ||
523 | if (time_before(now, stats->rx_fps_jiffies)) { | ||
524 | stats->rx_fps_jiffies = now; | ||
525 | return; | ||
526 | } | ||
527 | |||
528 | /* Update once a second */ | ||
529 | if ((now - stats->rx_fps_jiffies) < HZ) | ||
530 | return; | ||
531 | |||
532 | stats->rx_fps = (stats->rx_frags - stats->prev_rx_frags) / | ||
533 | ((now - stats->rx_fps_jiffies) / HZ); | ||
534 | |||
535 | stats->rx_fps_jiffies = now; | ||
536 | stats->prev_rx_frags = stats->rx_frags; | ||
537 | eqd = stats->rx_fps / 110000; | ||
538 | eqd = eqd << 3; | ||
539 | if (eqd > rx_eq->max_eqd) | ||
540 | eqd = rx_eq->max_eqd; | ||
541 | if (eqd < rx_eq->min_eqd) | ||
542 | eqd = rx_eq->min_eqd; | ||
543 | if (eqd < 10) | ||
544 | eqd = 0; | ||
545 | if (eqd != rx_eq->cur_eqd) | ||
546 | be_cmd_modify_eqd(adapter, rx_eq->q.id, eqd); | ||
547 | |||
548 | rx_eq->cur_eqd = eqd; | ||
549 | } | ||
550 | |||
551 | static u32 be_calc_rate(u64 bytes, unsigned long ticks) | ||
552 | { | ||
553 | u64 rate = bytes; | ||
554 | |||
555 | do_div(rate, ticks / HZ); | ||
556 | rate <<= 3; /* bytes/sec -> bits/sec */ | ||
557 | do_div(rate, 1000000ul); /* MB/Sec */ | ||
558 | |||
559 | return rate; | ||
560 | } | ||
561 | |||
562 | static void be_tx_rate_update(struct be_tx_obj *txo) | ||
563 | { | ||
564 | struct be_tx_stats *stats = tx_stats(txo); | ||
565 | ulong now = jiffies; | ||
566 | |||
567 | /* Wrapped around? */ | ||
568 | if (time_before(now, stats->be_tx_jiffies)) { | ||
569 | stats->be_tx_jiffies = now; | ||
570 | return; | ||
571 | } | ||
572 | |||
573 | /* Update tx rate once in two seconds */ | ||
574 | if ((now - stats->be_tx_jiffies) > 2 * HZ) { | ||
575 | stats->be_tx_rate = be_calc_rate(stats->be_tx_bytes | ||
576 | - stats->be_tx_bytes_prev, | ||
577 | now - stats->be_tx_jiffies); | ||
578 | stats->be_tx_jiffies = now; | ||
579 | stats->be_tx_bytes_prev = stats->be_tx_bytes; | ||
580 | } | ||
581 | } | ||
582 | |||
583 | static void be_tx_stats_update(struct be_tx_obj *txo, | ||
584 | u32 wrb_cnt, u32 copied, u32 gso_segs, bool stopped) | ||
585 | { | ||
586 | struct be_tx_stats *stats = tx_stats(txo); | ||
587 | |||
588 | stats->be_tx_reqs++; | ||
589 | stats->be_tx_wrbs += wrb_cnt; | ||
590 | stats->be_tx_bytes += copied; | ||
591 | stats->be_tx_pkts += (gso_segs ? gso_segs : 1); | ||
592 | if (stopped) | ||
593 | stats->be_tx_stops++; | ||
594 | } | ||
595 | |||
596 | /* Determine number of WRB entries needed to xmit data in an skb */ | ||
597 | static u32 wrb_cnt_for_skb(struct be_adapter *adapter, struct sk_buff *skb, | ||
598 | bool *dummy) | ||
599 | { | ||
600 | int cnt = (skb->len > skb->data_len); | ||
601 | |||
602 | cnt += skb_shinfo(skb)->nr_frags; | ||
603 | |||
604 | /* to account for hdr wrb */ | ||
605 | cnt++; | ||
606 | if (lancer_chip(adapter) || !(cnt & 1)) { | ||
607 | *dummy = false; | ||
608 | } else { | ||
609 | /* add a dummy to make it an even num */ | ||
610 | cnt++; | ||
611 | *dummy = true; | ||
612 | } | ||
613 | BUG_ON(cnt > BE_MAX_TX_FRAG_COUNT); | ||
614 | return cnt; | ||
615 | } | ||
616 | |||
617 | static inline void wrb_fill(struct be_eth_wrb *wrb, u64 addr, int len) | ||
618 | { | ||
619 | wrb->frag_pa_hi = upper_32_bits(addr); | ||
620 | wrb->frag_pa_lo = addr & 0xFFFFFFFF; | ||
621 | wrb->frag_len = len & ETH_WRB_FRAG_LEN_MASK; | ||
622 | } | ||
623 | |||
624 | static void wrb_fill_hdr(struct be_adapter *adapter, struct be_eth_hdr_wrb *hdr, | ||
625 | struct sk_buff *skb, u32 wrb_cnt, u32 len) | ||
626 | { | ||
627 | u8 vlan_prio = 0; | ||
628 | u16 vlan_tag = 0; | ||
629 | |||
630 | memset(hdr, 0, sizeof(*hdr)); | ||
631 | |||
632 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, crc, hdr, 1); | ||
633 | |||
634 | if (skb_is_gso(skb)) { | ||
635 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, lso, hdr, 1); | ||
636 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, lso_mss, | ||
637 | hdr, skb_shinfo(skb)->gso_size); | ||
638 | if (skb_is_gso_v6(skb) && !lancer_chip(adapter)) | ||
639 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, lso6, hdr, 1); | ||
640 | if (lancer_chip(adapter) && adapter->sli_family == | ||
641 | LANCER_A0_SLI_FAMILY) { | ||
642 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, ipcs, hdr, 1); | ||
643 | if (is_tcp_pkt(skb)) | ||
644 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, | ||
645 | tcpcs, hdr, 1); | ||
646 | else if (is_udp_pkt(skb)) | ||
647 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, | ||
648 | udpcs, hdr, 1); | ||
649 | } | ||
650 | } else if (skb->ip_summed == CHECKSUM_PARTIAL) { | ||
651 | if (is_tcp_pkt(skb)) | ||
652 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, tcpcs, hdr, 1); | ||
653 | else if (is_udp_pkt(skb)) | ||
654 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, udpcs, hdr, 1); | ||
655 | } | ||
656 | |||
657 | if (vlan_tx_tag_present(skb)) { | ||
658 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, vlan, hdr, 1); | ||
659 | vlan_tag = vlan_tx_tag_get(skb); | ||
660 | vlan_prio = (vlan_tag & VLAN_PRIO_MASK) >> VLAN_PRIO_SHIFT; | ||
661 | /* If vlan priority provided by OS is NOT in available bmap */ | ||
662 | if (!(adapter->vlan_prio_bmap & (1 << vlan_prio))) | ||
663 | vlan_tag = (vlan_tag & ~VLAN_PRIO_MASK) | | ||
664 | adapter->recommended_prio; | ||
665 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, vlan_tag, hdr, vlan_tag); | ||
666 | } | ||
667 | |||
668 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, event, hdr, 1); | ||
669 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, complete, hdr, 1); | ||
670 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, num_wrb, hdr, wrb_cnt); | ||
671 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, len, hdr, len); | ||
672 | } | ||
673 | |||
674 | static void unmap_tx_frag(struct device *dev, struct be_eth_wrb *wrb, | ||
675 | bool unmap_single) | ||
676 | { | ||
677 | dma_addr_t dma; | ||
678 | |||
679 | be_dws_le_to_cpu(wrb, sizeof(*wrb)); | ||
680 | |||
681 | dma = (u64)wrb->frag_pa_hi << 32 | (u64)wrb->frag_pa_lo; | ||
682 | if (wrb->frag_len) { | ||
683 | if (unmap_single) | ||
684 | dma_unmap_single(dev, dma, wrb->frag_len, | ||
685 | DMA_TO_DEVICE); | ||
686 | else | ||
687 | dma_unmap_page(dev, dma, wrb->frag_len, DMA_TO_DEVICE); | ||
688 | } | ||
689 | } | ||
690 | |||
691 | static int make_tx_wrbs(struct be_adapter *adapter, struct be_queue_info *txq, | ||
692 | struct sk_buff *skb, u32 wrb_cnt, bool dummy_wrb) | ||
693 | { | ||
694 | dma_addr_t busaddr; | ||
695 | int i, copied = 0; | ||
696 | struct device *dev = &adapter->pdev->dev; | ||
697 | struct sk_buff *first_skb = skb; | ||
698 | struct be_eth_wrb *wrb; | ||
699 | struct be_eth_hdr_wrb *hdr; | ||
700 | bool map_single = false; | ||
701 | u16 map_head; | ||
702 | |||
703 | hdr = queue_head_node(txq); | ||
704 | queue_head_inc(txq); | ||
705 | map_head = txq->head; | ||
706 | |||
707 | if (skb->len > skb->data_len) { | ||
708 | int len = skb_headlen(skb); | ||
709 | busaddr = dma_map_single(dev, skb->data, len, DMA_TO_DEVICE); | ||
710 | if (dma_mapping_error(dev, busaddr)) | ||
711 | goto dma_err; | ||
712 | map_single = true; | ||
713 | wrb = queue_head_node(txq); | ||
714 | wrb_fill(wrb, busaddr, len); | ||
715 | be_dws_cpu_to_le(wrb, sizeof(*wrb)); | ||
716 | queue_head_inc(txq); | ||
717 | copied += len; | ||
718 | } | ||
719 | |||
720 | for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { | ||
721 | struct skb_frag_struct *frag = | ||
722 | &skb_shinfo(skb)->frags[i]; | ||
723 | busaddr = dma_map_page(dev, frag->page, frag->page_offset, | ||
724 | frag->size, DMA_TO_DEVICE); | ||
725 | if (dma_mapping_error(dev, busaddr)) | ||
726 | goto dma_err; | ||
727 | wrb = queue_head_node(txq); | ||
728 | wrb_fill(wrb, busaddr, frag->size); | ||
729 | be_dws_cpu_to_le(wrb, sizeof(*wrb)); | ||
730 | queue_head_inc(txq); | ||
731 | copied += frag->size; | ||
732 | } | ||
733 | |||
734 | if (dummy_wrb) { | ||
735 | wrb = queue_head_node(txq); | ||
736 | wrb_fill(wrb, 0, 0); | ||
737 | be_dws_cpu_to_le(wrb, sizeof(*wrb)); | ||
738 | queue_head_inc(txq); | ||
739 | } | ||
740 | |||
741 | wrb_fill_hdr(adapter, hdr, first_skb, wrb_cnt, copied); | ||
742 | be_dws_cpu_to_le(hdr, sizeof(*hdr)); | ||
743 | |||
744 | return copied; | ||
745 | dma_err: | ||
746 | txq->head = map_head; | ||
747 | while (copied) { | ||
748 | wrb = queue_head_node(txq); | ||
749 | unmap_tx_frag(dev, wrb, map_single); | ||
750 | map_single = false; | ||
751 | copied -= wrb->frag_len; | ||
752 | queue_head_inc(txq); | ||
753 | } | ||
754 | return 0; | ||
755 | } | ||
756 | |||
757 | static netdev_tx_t be_xmit(struct sk_buff *skb, | ||
758 | struct net_device *netdev) | ||
759 | { | ||
760 | struct be_adapter *adapter = netdev_priv(netdev); | ||
761 | struct be_tx_obj *txo = &adapter->tx_obj[skb_get_queue_mapping(skb)]; | ||
762 | struct be_queue_info *txq = &txo->q; | ||
763 | u32 wrb_cnt = 0, copied = 0; | ||
764 | u32 start = txq->head; | ||
765 | bool dummy_wrb, stopped = false; | ||
766 | |||
767 | wrb_cnt = wrb_cnt_for_skb(adapter, skb, &dummy_wrb); | ||
768 | |||
769 | copied = make_tx_wrbs(adapter, txq, skb, wrb_cnt, dummy_wrb); | ||
770 | if (copied) { | ||
771 | /* record the sent skb in the sent_skb table */ | ||
772 | BUG_ON(txo->sent_skb_list[start]); | ||
773 | txo->sent_skb_list[start] = skb; | ||
774 | |||
775 | /* Ensure txq has space for the next skb; Else stop the queue | ||
776 | * *BEFORE* ringing the tx doorbell, so that we serialze the | ||
777 | * tx compls of the current transmit which'll wake up the queue | ||
778 | */ | ||
779 | atomic_add(wrb_cnt, &txq->used); | ||
780 | if ((BE_MAX_TX_FRAG_COUNT + atomic_read(&txq->used)) >= | ||
781 | txq->len) { | ||
782 | netif_stop_subqueue(netdev, skb_get_queue_mapping(skb)); | ||
783 | stopped = true; | ||
784 | } | ||
785 | |||
786 | be_txq_notify(adapter, txq->id, wrb_cnt); | ||
787 | |||
788 | be_tx_stats_update(txo, wrb_cnt, copied, | ||
789 | skb_shinfo(skb)->gso_segs, stopped); | ||
790 | } else { | ||
791 | txq->head = start; | ||
792 | dev_kfree_skb_any(skb); | ||
793 | } | ||
794 | return NETDEV_TX_OK; | ||
795 | } | ||
796 | |||
797 | static int be_change_mtu(struct net_device *netdev, int new_mtu) | ||
798 | { | ||
799 | struct be_adapter *adapter = netdev_priv(netdev); | ||
800 | if (new_mtu < BE_MIN_MTU || | ||
801 | new_mtu > (BE_MAX_JUMBO_FRAME_SIZE - | ||
802 | (ETH_HLEN + ETH_FCS_LEN))) { | ||
803 | dev_info(&adapter->pdev->dev, | ||
804 | "MTU must be between %d and %d bytes\n", | ||
805 | BE_MIN_MTU, | ||
806 | (BE_MAX_JUMBO_FRAME_SIZE - (ETH_HLEN + ETH_FCS_LEN))); | ||
807 | return -EINVAL; | ||
808 | } | ||
809 | dev_info(&adapter->pdev->dev, "MTU changed from %d to %d bytes\n", | ||
810 | netdev->mtu, new_mtu); | ||
811 | netdev->mtu = new_mtu; | ||
812 | return 0; | ||
813 | } | ||
814 | |||
815 | /* | ||
816 | * A max of 64 (BE_NUM_VLANS_SUPPORTED) vlans can be configured in BE. | ||
817 | * If the user configures more, place BE in vlan promiscuous mode. | ||
818 | */ | ||
819 | static int be_vid_config(struct be_adapter *adapter, bool vf, u32 vf_num) | ||
820 | { | ||
821 | u16 vtag[BE_NUM_VLANS_SUPPORTED]; | ||
822 | u16 ntags = 0, i; | ||
823 | int status = 0; | ||
824 | u32 if_handle; | ||
825 | |||
826 | if (vf) { | ||
827 | if_handle = adapter->vf_cfg[vf_num].vf_if_handle; | ||
828 | vtag[0] = cpu_to_le16(adapter->vf_cfg[vf_num].vf_vlan_tag); | ||
829 | status = be_cmd_vlan_config(adapter, if_handle, vtag, 1, 1, 0); | ||
830 | } | ||
831 | |||
832 | if (adapter->vlans_added <= adapter->max_vlans) { | ||
833 | /* Construct VLAN Table to give to HW */ | ||
834 | for (i = 0; i < VLAN_N_VID; i++) { | ||
835 | if (adapter->vlan_tag[i]) { | ||
836 | vtag[ntags] = cpu_to_le16(i); | ||
837 | ntags++; | ||
838 | } | ||
839 | } | ||
840 | status = be_cmd_vlan_config(adapter, adapter->if_handle, | ||
841 | vtag, ntags, 1, 0); | ||
842 | } else { | ||
843 | status = be_cmd_vlan_config(adapter, adapter->if_handle, | ||
844 | NULL, 0, 1, 1); | ||
845 | } | ||
846 | |||
847 | return status; | ||
848 | } | ||
849 | |||
850 | static void be_vlan_add_vid(struct net_device *netdev, u16 vid) | ||
851 | { | ||
852 | struct be_adapter *adapter = netdev_priv(netdev); | ||
853 | |||
854 | adapter->vlans_added++; | ||
855 | if (!be_physfn(adapter)) | ||
856 | return; | ||
857 | |||
858 | adapter->vlan_tag[vid] = 1; | ||
859 | if (adapter->vlans_added <= (adapter->max_vlans + 1)) | ||
860 | be_vid_config(adapter, false, 0); | ||
861 | } | ||
862 | |||
863 | static void be_vlan_rem_vid(struct net_device *netdev, u16 vid) | ||
864 | { | ||
865 | struct be_adapter *adapter = netdev_priv(netdev); | ||
866 | |||
867 | adapter->vlans_added--; | ||
868 | |||
869 | if (!be_physfn(adapter)) | ||
870 | return; | ||
871 | |||
872 | adapter->vlan_tag[vid] = 0; | ||
873 | if (adapter->vlans_added <= adapter->max_vlans) | ||
874 | be_vid_config(adapter, false, 0); | ||
875 | } | ||
876 | |||
877 | static void be_set_multicast_list(struct net_device *netdev) | ||
878 | { | ||
879 | struct be_adapter *adapter = netdev_priv(netdev); | ||
880 | |||
881 | if (netdev->flags & IFF_PROMISC) { | ||
882 | be_cmd_promiscuous_config(adapter, true); | ||
883 | adapter->promiscuous = true; | ||
884 | goto done; | ||
885 | } | ||
886 | |||
887 | /* BE was previously in promiscuous mode; disable it */ | ||
888 | if (adapter->promiscuous) { | ||
889 | adapter->promiscuous = false; | ||
890 | be_cmd_promiscuous_config(adapter, false); | ||
891 | } | ||
892 | |||
893 | /* Enable multicast promisc if num configured exceeds what we support */ | ||
894 | if (netdev->flags & IFF_ALLMULTI || | ||
895 | netdev_mc_count(netdev) > BE_MAX_MC) { | ||
896 | be_cmd_multicast_set(adapter, adapter->if_handle, NULL, | ||
897 | &adapter->mc_cmd_mem); | ||
898 | goto done; | ||
899 | } | ||
900 | |||
901 | be_cmd_multicast_set(adapter, adapter->if_handle, netdev, | ||
902 | &adapter->mc_cmd_mem); | ||
903 | done: | ||
904 | return; | ||
905 | } | ||
906 | |||
907 | static int be_set_vf_mac(struct net_device *netdev, int vf, u8 *mac) | ||
908 | { | ||
909 | struct be_adapter *adapter = netdev_priv(netdev); | ||
910 | int status; | ||
911 | |||
912 | if (!adapter->sriov_enabled) | ||
913 | return -EPERM; | ||
914 | |||
915 | if (!is_valid_ether_addr(mac) || (vf >= num_vfs)) | ||
916 | return -EINVAL; | ||
917 | |||
918 | if (adapter->vf_cfg[vf].vf_pmac_id != BE_INVALID_PMAC_ID) | ||
919 | status = be_cmd_pmac_del(adapter, | ||
920 | adapter->vf_cfg[vf].vf_if_handle, | ||
921 | adapter->vf_cfg[vf].vf_pmac_id, vf + 1); | ||
922 | |||
923 | status = be_cmd_pmac_add(adapter, mac, | ||
924 | adapter->vf_cfg[vf].vf_if_handle, | ||
925 | &adapter->vf_cfg[vf].vf_pmac_id, vf + 1); | ||
926 | |||
927 | if (status) | ||
928 | dev_err(&adapter->pdev->dev, "MAC %pM set on VF %d Failed\n", | ||
929 | mac, vf); | ||
930 | else | ||
931 | memcpy(adapter->vf_cfg[vf].vf_mac_addr, mac, ETH_ALEN); | ||
932 | |||
933 | return status; | ||
934 | } | ||
935 | |||
936 | static int be_get_vf_config(struct net_device *netdev, int vf, | ||
937 | struct ifla_vf_info *vi) | ||
938 | { | ||
939 | struct be_adapter *adapter = netdev_priv(netdev); | ||
940 | |||
941 | if (!adapter->sriov_enabled) | ||
942 | return -EPERM; | ||
943 | |||
944 | if (vf >= num_vfs) | ||
945 | return -EINVAL; | ||
946 | |||
947 | vi->vf = vf; | ||
948 | vi->tx_rate = adapter->vf_cfg[vf].vf_tx_rate; | ||
949 | vi->vlan = adapter->vf_cfg[vf].vf_vlan_tag; | ||
950 | vi->qos = 0; | ||
951 | memcpy(&vi->mac, adapter->vf_cfg[vf].vf_mac_addr, ETH_ALEN); | ||
952 | |||
953 | return 0; | ||
954 | } | ||
955 | |||
956 | static int be_set_vf_vlan(struct net_device *netdev, | ||
957 | int vf, u16 vlan, u8 qos) | ||
958 | { | ||
959 | struct be_adapter *adapter = netdev_priv(netdev); | ||
960 | int status = 0; | ||
961 | |||
962 | if (!adapter->sriov_enabled) | ||
963 | return -EPERM; | ||
964 | |||
965 | if ((vf >= num_vfs) || (vlan > 4095)) | ||
966 | return -EINVAL; | ||
967 | |||
968 | if (vlan) { | ||
969 | adapter->vf_cfg[vf].vf_vlan_tag = vlan; | ||
970 | adapter->vlans_added++; | ||
971 | } else { | ||
972 | adapter->vf_cfg[vf].vf_vlan_tag = 0; | ||
973 | adapter->vlans_added--; | ||
974 | } | ||
975 | |||
976 | status = be_vid_config(adapter, true, vf); | ||
977 | |||
978 | if (status) | ||
979 | dev_info(&adapter->pdev->dev, | ||
980 | "VLAN %d config on VF %d failed\n", vlan, vf); | ||
981 | return status; | ||
982 | } | ||
983 | |||
984 | static int be_set_vf_tx_rate(struct net_device *netdev, | ||
985 | int vf, int rate) | ||
986 | { | ||
987 | struct be_adapter *adapter = netdev_priv(netdev); | ||
988 | int status = 0; | ||
989 | |||
990 | if (!adapter->sriov_enabled) | ||
991 | return -EPERM; | ||
992 | |||
993 | if ((vf >= num_vfs) || (rate < 0)) | ||
994 | return -EINVAL; | ||
995 | |||
996 | if (rate > 10000) | ||
997 | rate = 10000; | ||
998 | |||
999 | adapter->vf_cfg[vf].vf_tx_rate = rate; | ||
1000 | status = be_cmd_set_qos(adapter, rate / 10, vf + 1); | ||
1001 | |||
1002 | if (status) | ||
1003 | dev_info(&adapter->pdev->dev, | ||
1004 | "tx rate %d on VF %d failed\n", rate, vf); | ||
1005 | return status; | ||
1006 | } | ||
1007 | |||
1008 | static void be_rx_rate_update(struct be_rx_obj *rxo) | ||
1009 | { | ||
1010 | struct be_rx_stats *stats = &rxo->stats; | ||
1011 | ulong now = jiffies; | ||
1012 | |||
1013 | /* Wrapped around */ | ||
1014 | if (time_before(now, stats->rx_jiffies)) { | ||
1015 | stats->rx_jiffies = now; | ||
1016 | return; | ||
1017 | } | ||
1018 | |||
1019 | /* Update the rate once in two seconds */ | ||
1020 | if ((now - stats->rx_jiffies) < 2 * HZ) | ||
1021 | return; | ||
1022 | |||
1023 | stats->rx_rate = be_calc_rate(stats->rx_bytes - stats->rx_bytes_prev, | ||
1024 | now - stats->rx_jiffies); | ||
1025 | stats->rx_jiffies = now; | ||
1026 | stats->rx_bytes_prev = stats->rx_bytes; | ||
1027 | } | ||
1028 | |||
1029 | static void be_rx_stats_update(struct be_rx_obj *rxo, | ||
1030 | struct be_rx_compl_info *rxcp) | ||
1031 | { | ||
1032 | struct be_rx_stats *stats = &rxo->stats; | ||
1033 | |||
1034 | stats->rx_compl++; | ||
1035 | stats->rx_frags += rxcp->num_rcvd; | ||
1036 | stats->rx_bytes += rxcp->pkt_size; | ||
1037 | stats->rx_pkts++; | ||
1038 | if (rxcp->pkt_type == BE_MULTICAST_PACKET) | ||
1039 | stats->rx_mcast_pkts++; | ||
1040 | if (rxcp->err) | ||
1041 | stats->rxcp_err++; | ||
1042 | } | ||
1043 | |||
1044 | static inline bool csum_passed(struct be_rx_compl_info *rxcp) | ||
1045 | { | ||
1046 | /* L4 checksum is not reliable for non TCP/UDP packets. | ||
1047 | * Also ignore ipcksm for ipv6 pkts */ | ||
1048 | return (rxcp->tcpf || rxcp->udpf) && rxcp->l4_csum && | ||
1049 | (rxcp->ip_csum || rxcp->ipv6); | ||
1050 | } | ||
1051 | |||
1052 | static struct be_rx_page_info * | ||
1053 | get_rx_page_info(struct be_adapter *adapter, | ||
1054 | struct be_rx_obj *rxo, | ||
1055 | u16 frag_idx) | ||
1056 | { | ||
1057 | struct be_rx_page_info *rx_page_info; | ||
1058 | struct be_queue_info *rxq = &rxo->q; | ||
1059 | |||
1060 | rx_page_info = &rxo->page_info_tbl[frag_idx]; | ||
1061 | BUG_ON(!rx_page_info->page); | ||
1062 | |||
1063 | if (rx_page_info->last_page_user) { | ||
1064 | dma_unmap_page(&adapter->pdev->dev, | ||
1065 | dma_unmap_addr(rx_page_info, bus), | ||
1066 | adapter->big_page_size, DMA_FROM_DEVICE); | ||
1067 | rx_page_info->last_page_user = false; | ||
1068 | } | ||
1069 | |||
1070 | atomic_dec(&rxq->used); | ||
1071 | return rx_page_info; | ||
1072 | } | ||
1073 | |||
1074 | /* Throwaway the data in the Rx completion */ | ||
1075 | static void be_rx_compl_discard(struct be_adapter *adapter, | ||
1076 | struct be_rx_obj *rxo, | ||
1077 | struct be_rx_compl_info *rxcp) | ||
1078 | { | ||
1079 | struct be_queue_info *rxq = &rxo->q; | ||
1080 | struct be_rx_page_info *page_info; | ||
1081 | u16 i, num_rcvd = rxcp->num_rcvd; | ||
1082 | |||
1083 | for (i = 0; i < num_rcvd; i++) { | ||
1084 | page_info = get_rx_page_info(adapter, rxo, rxcp->rxq_idx); | ||
1085 | put_page(page_info->page); | ||
1086 | memset(page_info, 0, sizeof(*page_info)); | ||
1087 | index_inc(&rxcp->rxq_idx, rxq->len); | ||
1088 | } | ||
1089 | } | ||
1090 | |||
1091 | /* | ||
1092 | * skb_fill_rx_data forms a complete skb for an ether frame | ||
1093 | * indicated by rxcp. | ||
1094 | */ | ||
1095 | static void skb_fill_rx_data(struct be_adapter *adapter, struct be_rx_obj *rxo, | ||
1096 | struct sk_buff *skb, struct be_rx_compl_info *rxcp) | ||
1097 | { | ||
1098 | struct be_queue_info *rxq = &rxo->q; | ||
1099 | struct be_rx_page_info *page_info; | ||
1100 | u16 i, j; | ||
1101 | u16 hdr_len, curr_frag_len, remaining; | ||
1102 | u8 *start; | ||
1103 | |||
1104 | page_info = get_rx_page_info(adapter, rxo, rxcp->rxq_idx); | ||
1105 | start = page_address(page_info->page) + page_info->page_offset; | ||
1106 | prefetch(start); | ||
1107 | |||
1108 | /* Copy data in the first descriptor of this completion */ | ||
1109 | curr_frag_len = min(rxcp->pkt_size, rx_frag_size); | ||
1110 | |||
1111 | /* Copy the header portion into skb_data */ | ||
1112 | hdr_len = min(BE_HDR_LEN, curr_frag_len); | ||
1113 | memcpy(skb->data, start, hdr_len); | ||
1114 | skb->len = curr_frag_len; | ||
1115 | if (curr_frag_len <= BE_HDR_LEN) { /* tiny packet */ | ||
1116 | /* Complete packet has now been moved to data */ | ||
1117 | put_page(page_info->page); | ||
1118 | skb->data_len = 0; | ||
1119 | skb->tail += curr_frag_len; | ||
1120 | } else { | ||
1121 | skb_shinfo(skb)->nr_frags = 1; | ||
1122 | skb_shinfo(skb)->frags[0].page = page_info->page; | ||
1123 | skb_shinfo(skb)->frags[0].page_offset = | ||
1124 | page_info->page_offset + hdr_len; | ||
1125 | skb_shinfo(skb)->frags[0].size = curr_frag_len - hdr_len; | ||
1126 | skb->data_len = curr_frag_len - hdr_len; | ||
1127 | skb->tail += hdr_len; | ||
1128 | } | ||
1129 | page_info->page = NULL; | ||
1130 | |||
1131 | if (rxcp->pkt_size <= rx_frag_size) { | ||
1132 | BUG_ON(rxcp->num_rcvd != 1); | ||
1133 | return; | ||
1134 | } | ||
1135 | |||
1136 | /* More frags present for this completion */ | ||
1137 | index_inc(&rxcp->rxq_idx, rxq->len); | ||
1138 | remaining = rxcp->pkt_size - curr_frag_len; | ||
1139 | for (i = 1, j = 0; i < rxcp->num_rcvd; i++) { | ||
1140 | page_info = get_rx_page_info(adapter, rxo, rxcp->rxq_idx); | ||
1141 | curr_frag_len = min(remaining, rx_frag_size); | ||
1142 | |||
1143 | /* Coalesce all frags from the same physical page in one slot */ | ||
1144 | if (page_info->page_offset == 0) { | ||
1145 | /* Fresh page */ | ||
1146 | j++; | ||
1147 | skb_shinfo(skb)->frags[j].page = page_info->page; | ||
1148 | skb_shinfo(skb)->frags[j].page_offset = | ||
1149 | page_info->page_offset; | ||
1150 | skb_shinfo(skb)->frags[j].size = 0; | ||
1151 | skb_shinfo(skb)->nr_frags++; | ||
1152 | } else { | ||
1153 | put_page(page_info->page); | ||
1154 | } | ||
1155 | |||
1156 | skb_shinfo(skb)->frags[j].size += curr_frag_len; | ||
1157 | skb->len += curr_frag_len; | ||
1158 | skb->data_len += curr_frag_len; | ||
1159 | |||
1160 | remaining -= curr_frag_len; | ||
1161 | index_inc(&rxcp->rxq_idx, rxq->len); | ||
1162 | page_info->page = NULL; | ||
1163 | } | ||
1164 | BUG_ON(j > MAX_SKB_FRAGS); | ||
1165 | } | ||
1166 | |||
1167 | /* Process the RX completion indicated by rxcp when GRO is disabled */ | ||
1168 | static void be_rx_compl_process(struct be_adapter *adapter, | ||
1169 | struct be_rx_obj *rxo, | ||
1170 | struct be_rx_compl_info *rxcp) | ||
1171 | { | ||
1172 | struct net_device *netdev = adapter->netdev; | ||
1173 | struct sk_buff *skb; | ||
1174 | |||
1175 | skb = netdev_alloc_skb_ip_align(netdev, BE_HDR_LEN); | ||
1176 | if (unlikely(!skb)) { | ||
1177 | rxo->stats.rx_dropped++; | ||
1178 | be_rx_compl_discard(adapter, rxo, rxcp); | ||
1179 | return; | ||
1180 | } | ||
1181 | |||
1182 | skb_fill_rx_data(adapter, rxo, skb, rxcp); | ||
1183 | |||
1184 | if (likely((netdev->features & NETIF_F_RXCSUM) && csum_passed(rxcp))) | ||
1185 | skb->ip_summed = CHECKSUM_UNNECESSARY; | ||
1186 | else | ||
1187 | skb_checksum_none_assert(skb); | ||
1188 | |||
1189 | skb->truesize = skb->len + sizeof(struct sk_buff); | ||
1190 | skb->protocol = eth_type_trans(skb, netdev); | ||
1191 | if (adapter->netdev->features & NETIF_F_RXHASH) | ||
1192 | skb->rxhash = rxcp->rss_hash; | ||
1193 | |||
1194 | |||
1195 | if (unlikely(rxcp->vlanf)) | ||
1196 | __vlan_hwaccel_put_tag(skb, rxcp->vlan_tag); | ||
1197 | |||
1198 | netif_receive_skb(skb); | ||
1199 | } | ||
1200 | |||
1201 | /* Process the RX completion indicated by rxcp when GRO is enabled */ | ||
1202 | static void be_rx_compl_process_gro(struct be_adapter *adapter, | ||
1203 | struct be_rx_obj *rxo, | ||
1204 | struct be_rx_compl_info *rxcp) | ||
1205 | { | ||
1206 | struct be_rx_page_info *page_info; | ||
1207 | struct sk_buff *skb = NULL; | ||
1208 | struct be_queue_info *rxq = &rxo->q; | ||
1209 | struct be_eq_obj *eq_obj = &rxo->rx_eq; | ||
1210 | u16 remaining, curr_frag_len; | ||
1211 | u16 i, j; | ||
1212 | |||
1213 | skb = napi_get_frags(&eq_obj->napi); | ||
1214 | if (!skb) { | ||
1215 | be_rx_compl_discard(adapter, rxo, rxcp); | ||
1216 | return; | ||
1217 | } | ||
1218 | |||
1219 | remaining = rxcp->pkt_size; | ||
1220 | for (i = 0, j = -1; i < rxcp->num_rcvd; i++) { | ||
1221 | page_info = get_rx_page_info(adapter, rxo, rxcp->rxq_idx); | ||
1222 | |||
1223 | curr_frag_len = min(remaining, rx_frag_size); | ||
1224 | |||
1225 | /* Coalesce all frags from the same physical page in one slot */ | ||
1226 | if (i == 0 || page_info->page_offset == 0) { | ||
1227 | /* First frag or Fresh page */ | ||
1228 | j++; | ||
1229 | skb_shinfo(skb)->frags[j].page = page_info->page; | ||
1230 | skb_shinfo(skb)->frags[j].page_offset = | ||
1231 | page_info->page_offset; | ||
1232 | skb_shinfo(skb)->frags[j].size = 0; | ||
1233 | } else { | ||
1234 | put_page(page_info->page); | ||
1235 | } | ||
1236 | skb_shinfo(skb)->frags[j].size += curr_frag_len; | ||
1237 | |||
1238 | remaining -= curr_frag_len; | ||
1239 | index_inc(&rxcp->rxq_idx, rxq->len); | ||
1240 | memset(page_info, 0, sizeof(*page_info)); | ||
1241 | } | ||
1242 | BUG_ON(j > MAX_SKB_FRAGS); | ||
1243 | |||
1244 | skb_shinfo(skb)->nr_frags = j + 1; | ||
1245 | skb->len = rxcp->pkt_size; | ||
1246 | skb->data_len = rxcp->pkt_size; | ||
1247 | skb->truesize += rxcp->pkt_size; | ||
1248 | skb->ip_summed = CHECKSUM_UNNECESSARY; | ||
1249 | if (adapter->netdev->features & NETIF_F_RXHASH) | ||
1250 | skb->rxhash = rxcp->rss_hash; | ||
1251 | |||
1252 | if (unlikely(rxcp->vlanf)) | ||
1253 | __vlan_hwaccel_put_tag(skb, rxcp->vlan_tag); | ||
1254 | |||
1255 | napi_gro_frags(&eq_obj->napi); | ||
1256 | } | ||
1257 | |||
1258 | static void be_parse_rx_compl_v1(struct be_adapter *adapter, | ||
1259 | struct be_eth_rx_compl *compl, | ||
1260 | struct be_rx_compl_info *rxcp) | ||
1261 | { | ||
1262 | rxcp->pkt_size = | ||
1263 | AMAP_GET_BITS(struct amap_eth_rx_compl_v1, pktsize, compl); | ||
1264 | rxcp->vlanf = AMAP_GET_BITS(struct amap_eth_rx_compl_v1, vtp, compl); | ||
1265 | rxcp->err = AMAP_GET_BITS(struct amap_eth_rx_compl_v1, err, compl); | ||
1266 | rxcp->tcpf = AMAP_GET_BITS(struct amap_eth_rx_compl_v1, tcpf, compl); | ||
1267 | rxcp->udpf = AMAP_GET_BITS(struct amap_eth_rx_compl_v1, udpf, compl); | ||
1268 | rxcp->ip_csum = | ||
1269 | AMAP_GET_BITS(struct amap_eth_rx_compl_v1, ipcksm, compl); | ||
1270 | rxcp->l4_csum = | ||
1271 | AMAP_GET_BITS(struct amap_eth_rx_compl_v1, l4_cksm, compl); | ||
1272 | rxcp->ipv6 = | ||
1273 | AMAP_GET_BITS(struct amap_eth_rx_compl_v1, ip_version, compl); | ||
1274 | rxcp->rxq_idx = | ||
1275 | AMAP_GET_BITS(struct amap_eth_rx_compl_v1, fragndx, compl); | ||
1276 | rxcp->num_rcvd = | ||
1277 | AMAP_GET_BITS(struct amap_eth_rx_compl_v1, numfrags, compl); | ||
1278 | rxcp->pkt_type = | ||
1279 | AMAP_GET_BITS(struct amap_eth_rx_compl_v1, cast_enc, compl); | ||
1280 | rxcp->rss_hash = | ||
1281 | AMAP_GET_BITS(struct amap_eth_rx_compl_v1, rsshash, rxcp); | ||
1282 | if (rxcp->vlanf) { | ||
1283 | rxcp->vtm = AMAP_GET_BITS(struct amap_eth_rx_compl_v1, vtm, | ||
1284 | compl); | ||
1285 | rxcp->vlan_tag = AMAP_GET_BITS(struct amap_eth_rx_compl_v1, vlan_tag, | ||
1286 | compl); | ||
1287 | } | ||
1288 | } | ||
1289 | |||
1290 | static void be_parse_rx_compl_v0(struct be_adapter *adapter, | ||
1291 | struct be_eth_rx_compl *compl, | ||
1292 | struct be_rx_compl_info *rxcp) | ||
1293 | { | ||
1294 | rxcp->pkt_size = | ||
1295 | AMAP_GET_BITS(struct amap_eth_rx_compl_v0, pktsize, compl); | ||
1296 | rxcp->vlanf = AMAP_GET_BITS(struct amap_eth_rx_compl_v0, vtp, compl); | ||
1297 | rxcp->err = AMAP_GET_BITS(struct amap_eth_rx_compl_v0, err, compl); | ||
1298 | rxcp->tcpf = AMAP_GET_BITS(struct amap_eth_rx_compl_v0, tcpf, compl); | ||
1299 | rxcp->udpf = AMAP_GET_BITS(struct amap_eth_rx_compl_v0, udpf, compl); | ||
1300 | rxcp->ip_csum = | ||
1301 | AMAP_GET_BITS(struct amap_eth_rx_compl_v0, ipcksm, compl); | ||
1302 | rxcp->l4_csum = | ||
1303 | AMAP_GET_BITS(struct amap_eth_rx_compl_v0, l4_cksm, compl); | ||
1304 | rxcp->ipv6 = | ||
1305 | AMAP_GET_BITS(struct amap_eth_rx_compl_v0, ip_version, compl); | ||
1306 | rxcp->rxq_idx = | ||
1307 | AMAP_GET_BITS(struct amap_eth_rx_compl_v0, fragndx, compl); | ||
1308 | rxcp->num_rcvd = | ||
1309 | AMAP_GET_BITS(struct amap_eth_rx_compl_v0, numfrags, compl); | ||
1310 | rxcp->pkt_type = | ||
1311 | AMAP_GET_BITS(struct amap_eth_rx_compl_v0, cast_enc, compl); | ||
1312 | rxcp->rss_hash = | ||
1313 | AMAP_GET_BITS(struct amap_eth_rx_compl_v0, rsshash, rxcp); | ||
1314 | if (rxcp->vlanf) { | ||
1315 | rxcp->vtm = AMAP_GET_BITS(struct amap_eth_rx_compl_v0, vtm, | ||
1316 | compl); | ||
1317 | rxcp->vlan_tag = AMAP_GET_BITS(struct amap_eth_rx_compl_v0, vlan_tag, | ||
1318 | compl); | ||
1319 | } | ||
1320 | } | ||
1321 | |||
1322 | static struct be_rx_compl_info *be_rx_compl_get(struct be_rx_obj *rxo) | ||
1323 | { | ||
1324 | struct be_eth_rx_compl *compl = queue_tail_node(&rxo->cq); | ||
1325 | struct be_rx_compl_info *rxcp = &rxo->rxcp; | ||
1326 | struct be_adapter *adapter = rxo->adapter; | ||
1327 | |||
1328 | /* For checking the valid bit it is Ok to use either definition as the | ||
1329 | * valid bit is at the same position in both v0 and v1 Rx compl */ | ||
1330 | if (compl->dw[offsetof(struct amap_eth_rx_compl_v1, valid) / 32] == 0) | ||
1331 | return NULL; | ||
1332 | |||
1333 | rmb(); | ||
1334 | be_dws_le_to_cpu(compl, sizeof(*compl)); | ||
1335 | |||
1336 | if (adapter->be3_native) | ||
1337 | be_parse_rx_compl_v1(adapter, compl, rxcp); | ||
1338 | else | ||
1339 | be_parse_rx_compl_v0(adapter, compl, rxcp); | ||
1340 | |||
1341 | if (rxcp->vlanf) { | ||
1342 | /* vlanf could be wrongly set in some cards. | ||
1343 | * ignore if vtm is not set */ | ||
1344 | if ((adapter->function_mode & 0x400) && !rxcp->vtm) | ||
1345 | rxcp->vlanf = 0; | ||
1346 | |||
1347 | if (!lancer_chip(adapter)) | ||
1348 | rxcp->vlan_tag = swab16(rxcp->vlan_tag); | ||
1349 | |||
1350 | if (((adapter->pvid & VLAN_VID_MASK) == | ||
1351 | (rxcp->vlan_tag & VLAN_VID_MASK)) && | ||
1352 | !adapter->vlan_tag[rxcp->vlan_tag]) | ||
1353 | rxcp->vlanf = 0; | ||
1354 | } | ||
1355 | |||
1356 | /* As the compl has been parsed, reset it; we wont touch it again */ | ||
1357 | compl->dw[offsetof(struct amap_eth_rx_compl_v1, valid) / 32] = 0; | ||
1358 | |||
1359 | queue_tail_inc(&rxo->cq); | ||
1360 | return rxcp; | ||
1361 | } | ||
1362 | |||
1363 | static inline struct page *be_alloc_pages(u32 size, gfp_t gfp) | ||
1364 | { | ||
1365 | u32 order = get_order(size); | ||
1366 | |||
1367 | if (order > 0) | ||
1368 | gfp |= __GFP_COMP; | ||
1369 | return alloc_pages(gfp, order); | ||
1370 | } | ||
1371 | |||
1372 | /* | ||
1373 | * Allocate a page, split it to fragments of size rx_frag_size and post as | ||
1374 | * receive buffers to BE | ||
1375 | */ | ||
1376 | static void be_post_rx_frags(struct be_rx_obj *rxo, gfp_t gfp) | ||
1377 | { | ||
1378 | struct be_adapter *adapter = rxo->adapter; | ||
1379 | struct be_rx_page_info *page_info_tbl = rxo->page_info_tbl; | ||
1380 | struct be_rx_page_info *page_info = NULL, *prev_page_info = NULL; | ||
1381 | struct be_queue_info *rxq = &rxo->q; | ||
1382 | struct page *pagep = NULL; | ||
1383 | struct be_eth_rx_d *rxd; | ||
1384 | u64 page_dmaaddr = 0, frag_dmaaddr; | ||
1385 | u32 posted, page_offset = 0; | ||
1386 | |||
1387 | page_info = &rxo->page_info_tbl[rxq->head]; | ||
1388 | for (posted = 0; posted < MAX_RX_POST && !page_info->page; posted++) { | ||
1389 | if (!pagep) { | ||
1390 | pagep = be_alloc_pages(adapter->big_page_size, gfp); | ||
1391 | if (unlikely(!pagep)) { | ||
1392 | rxo->stats.rx_post_fail++; | ||
1393 | break; | ||
1394 | } | ||
1395 | page_dmaaddr = dma_map_page(&adapter->pdev->dev, pagep, | ||
1396 | 0, adapter->big_page_size, | ||
1397 | DMA_FROM_DEVICE); | ||
1398 | page_info->page_offset = 0; | ||
1399 | } else { | ||
1400 | get_page(pagep); | ||
1401 | page_info->page_offset = page_offset + rx_frag_size; | ||
1402 | } | ||
1403 | page_offset = page_info->page_offset; | ||
1404 | page_info->page = pagep; | ||
1405 | dma_unmap_addr_set(page_info, bus, page_dmaaddr); | ||
1406 | frag_dmaaddr = page_dmaaddr + page_info->page_offset; | ||
1407 | |||
1408 | rxd = queue_head_node(rxq); | ||
1409 | rxd->fragpa_lo = cpu_to_le32(frag_dmaaddr & 0xFFFFFFFF); | ||
1410 | rxd->fragpa_hi = cpu_to_le32(upper_32_bits(frag_dmaaddr)); | ||
1411 | |||
1412 | /* Any space left in the current big page for another frag? */ | ||
1413 | if ((page_offset + rx_frag_size + rx_frag_size) > | ||
1414 | adapter->big_page_size) { | ||
1415 | pagep = NULL; | ||
1416 | page_info->last_page_user = true; | ||
1417 | } | ||
1418 | |||
1419 | prev_page_info = page_info; | ||
1420 | queue_head_inc(rxq); | ||
1421 | page_info = &page_info_tbl[rxq->head]; | ||
1422 | } | ||
1423 | if (pagep) | ||
1424 | prev_page_info->last_page_user = true; | ||
1425 | |||
1426 | if (posted) { | ||
1427 | atomic_add(posted, &rxq->used); | ||
1428 | be_rxq_notify(adapter, rxq->id, posted); | ||
1429 | } else if (atomic_read(&rxq->used) == 0) { | ||
1430 | /* Let be_worker replenish when memory is available */ | ||
1431 | rxo->rx_post_starved = true; | ||
1432 | } | ||
1433 | } | ||
1434 | |||
1435 | static struct be_eth_tx_compl *be_tx_compl_get(struct be_queue_info *tx_cq) | ||
1436 | { | ||
1437 | struct be_eth_tx_compl *txcp = queue_tail_node(tx_cq); | ||
1438 | |||
1439 | if (txcp->dw[offsetof(struct amap_eth_tx_compl, valid) / 32] == 0) | ||
1440 | return NULL; | ||
1441 | |||
1442 | rmb(); | ||
1443 | be_dws_le_to_cpu(txcp, sizeof(*txcp)); | ||
1444 | |||
1445 | txcp->dw[offsetof(struct amap_eth_tx_compl, valid) / 32] = 0; | ||
1446 | |||
1447 | queue_tail_inc(tx_cq); | ||
1448 | return txcp; | ||
1449 | } | ||
1450 | |||
1451 | static u16 be_tx_compl_process(struct be_adapter *adapter, | ||
1452 | struct be_tx_obj *txo, u16 last_index) | ||
1453 | { | ||
1454 | struct be_queue_info *txq = &txo->q; | ||
1455 | struct be_eth_wrb *wrb; | ||
1456 | struct sk_buff **sent_skbs = txo->sent_skb_list; | ||
1457 | struct sk_buff *sent_skb; | ||
1458 | u16 cur_index, num_wrbs = 1; /* account for hdr wrb */ | ||
1459 | bool unmap_skb_hdr = true; | ||
1460 | |||
1461 | sent_skb = sent_skbs[txq->tail]; | ||
1462 | BUG_ON(!sent_skb); | ||
1463 | sent_skbs[txq->tail] = NULL; | ||
1464 | |||
1465 | /* skip header wrb */ | ||
1466 | queue_tail_inc(txq); | ||
1467 | |||
1468 | do { | ||
1469 | cur_index = txq->tail; | ||
1470 | wrb = queue_tail_node(txq); | ||
1471 | unmap_tx_frag(&adapter->pdev->dev, wrb, | ||
1472 | (unmap_skb_hdr && skb_headlen(sent_skb))); | ||
1473 | unmap_skb_hdr = false; | ||
1474 | |||
1475 | num_wrbs++; | ||
1476 | queue_tail_inc(txq); | ||
1477 | } while (cur_index != last_index); | ||
1478 | |||
1479 | kfree_skb(sent_skb); | ||
1480 | return num_wrbs; | ||
1481 | } | ||
1482 | |||
1483 | static inline struct be_eq_entry *event_get(struct be_eq_obj *eq_obj) | ||
1484 | { | ||
1485 | struct be_eq_entry *eqe = queue_tail_node(&eq_obj->q); | ||
1486 | |||
1487 | if (!eqe->evt) | ||
1488 | return NULL; | ||
1489 | |||
1490 | rmb(); | ||
1491 | eqe->evt = le32_to_cpu(eqe->evt); | ||
1492 | queue_tail_inc(&eq_obj->q); | ||
1493 | return eqe; | ||
1494 | } | ||
1495 | |||
1496 | static int event_handle(struct be_adapter *adapter, | ||
1497 | struct be_eq_obj *eq_obj, | ||
1498 | bool rearm) | ||
1499 | { | ||
1500 | struct be_eq_entry *eqe; | ||
1501 | u16 num = 0; | ||
1502 | |||
1503 | while ((eqe = event_get(eq_obj)) != NULL) { | ||
1504 | eqe->evt = 0; | ||
1505 | num++; | ||
1506 | } | ||
1507 | |||
1508 | /* Deal with any spurious interrupts that come | ||
1509 | * without events | ||
1510 | */ | ||
1511 | if (!num) | ||
1512 | rearm = true; | ||
1513 | |||
1514 | be_eq_notify(adapter, eq_obj->q.id, rearm, true, num); | ||
1515 | if (num) | ||
1516 | napi_schedule(&eq_obj->napi); | ||
1517 | |||
1518 | return num; | ||
1519 | } | ||
1520 | |||
1521 | /* Just read and notify events without processing them. | ||
1522 | * Used at the time of destroying event queues */ | ||
1523 | static void be_eq_clean(struct be_adapter *adapter, | ||
1524 | struct be_eq_obj *eq_obj) | ||
1525 | { | ||
1526 | struct be_eq_entry *eqe; | ||
1527 | u16 num = 0; | ||
1528 | |||
1529 | while ((eqe = event_get(eq_obj)) != NULL) { | ||
1530 | eqe->evt = 0; | ||
1531 | num++; | ||
1532 | } | ||
1533 | |||
1534 | if (num) | ||
1535 | be_eq_notify(adapter, eq_obj->q.id, false, true, num); | ||
1536 | } | ||
1537 | |||
1538 | static void be_rx_q_clean(struct be_adapter *adapter, struct be_rx_obj *rxo) | ||
1539 | { | ||
1540 | struct be_rx_page_info *page_info; | ||
1541 | struct be_queue_info *rxq = &rxo->q; | ||
1542 | struct be_queue_info *rx_cq = &rxo->cq; | ||
1543 | struct be_rx_compl_info *rxcp; | ||
1544 | u16 tail; | ||
1545 | |||
1546 | /* First cleanup pending rx completions */ | ||
1547 | while ((rxcp = be_rx_compl_get(rxo)) != NULL) { | ||
1548 | be_rx_compl_discard(adapter, rxo, rxcp); | ||
1549 | be_cq_notify(adapter, rx_cq->id, false, 1); | ||
1550 | } | ||
1551 | |||
1552 | /* Then free posted rx buffer that were not used */ | ||
1553 | tail = (rxq->head + rxq->len - atomic_read(&rxq->used)) % rxq->len; | ||
1554 | for (; atomic_read(&rxq->used) > 0; index_inc(&tail, rxq->len)) { | ||
1555 | page_info = get_rx_page_info(adapter, rxo, tail); | ||
1556 | put_page(page_info->page); | ||
1557 | memset(page_info, 0, sizeof(*page_info)); | ||
1558 | } | ||
1559 | BUG_ON(atomic_read(&rxq->used)); | ||
1560 | rxq->tail = rxq->head = 0; | ||
1561 | } | ||
1562 | |||
1563 | static void be_tx_compl_clean(struct be_adapter *adapter, | ||
1564 | struct be_tx_obj *txo) | ||
1565 | { | ||
1566 | struct be_queue_info *tx_cq = &txo->cq; | ||
1567 | struct be_queue_info *txq = &txo->q; | ||
1568 | struct be_eth_tx_compl *txcp; | ||
1569 | u16 end_idx, cmpl = 0, timeo = 0, num_wrbs = 0; | ||
1570 | struct sk_buff **sent_skbs = txo->sent_skb_list; | ||
1571 | struct sk_buff *sent_skb; | ||
1572 | bool dummy_wrb; | ||
1573 | |||
1574 | /* Wait for a max of 200ms for all the tx-completions to arrive. */ | ||
1575 | do { | ||
1576 | while ((txcp = be_tx_compl_get(tx_cq))) { | ||
1577 | end_idx = AMAP_GET_BITS(struct amap_eth_tx_compl, | ||
1578 | wrb_index, txcp); | ||
1579 | num_wrbs += be_tx_compl_process(adapter, txo, end_idx); | ||
1580 | cmpl++; | ||
1581 | } | ||
1582 | if (cmpl) { | ||
1583 | be_cq_notify(adapter, tx_cq->id, false, cmpl); | ||
1584 | atomic_sub(num_wrbs, &txq->used); | ||
1585 | cmpl = 0; | ||
1586 | num_wrbs = 0; | ||
1587 | } | ||
1588 | |||
1589 | if (atomic_read(&txq->used) == 0 || ++timeo > 200) | ||
1590 | break; | ||
1591 | |||
1592 | mdelay(1); | ||
1593 | } while (true); | ||
1594 | |||
1595 | if (atomic_read(&txq->used)) | ||
1596 | dev_err(&adapter->pdev->dev, "%d pending tx-completions\n", | ||
1597 | atomic_read(&txq->used)); | ||
1598 | |||
1599 | /* free posted tx for which compls will never arrive */ | ||
1600 | while (atomic_read(&txq->used)) { | ||
1601 | sent_skb = sent_skbs[txq->tail]; | ||
1602 | end_idx = txq->tail; | ||
1603 | index_adv(&end_idx, | ||
1604 | wrb_cnt_for_skb(adapter, sent_skb, &dummy_wrb) - 1, | ||
1605 | txq->len); | ||
1606 | num_wrbs = be_tx_compl_process(adapter, txo, end_idx); | ||
1607 | atomic_sub(num_wrbs, &txq->used); | ||
1608 | } | ||
1609 | } | ||
1610 | |||
1611 | static void be_mcc_queues_destroy(struct be_adapter *adapter) | ||
1612 | { | ||
1613 | struct be_queue_info *q; | ||
1614 | |||
1615 | q = &adapter->mcc_obj.q; | ||
1616 | if (q->created) | ||
1617 | be_cmd_q_destroy(adapter, q, QTYPE_MCCQ); | ||
1618 | be_queue_free(adapter, q); | ||
1619 | |||
1620 | q = &adapter->mcc_obj.cq; | ||
1621 | if (q->created) | ||
1622 | be_cmd_q_destroy(adapter, q, QTYPE_CQ); | ||
1623 | be_queue_free(adapter, q); | ||
1624 | } | ||
1625 | |||
1626 | /* Must be called only after TX qs are created as MCC shares TX EQ */ | ||
1627 | static int be_mcc_queues_create(struct be_adapter *adapter) | ||
1628 | { | ||
1629 | struct be_queue_info *q, *cq; | ||
1630 | |||
1631 | /* Alloc MCC compl queue */ | ||
1632 | cq = &adapter->mcc_obj.cq; | ||
1633 | if (be_queue_alloc(adapter, cq, MCC_CQ_LEN, | ||
1634 | sizeof(struct be_mcc_compl))) | ||
1635 | goto err; | ||
1636 | |||
1637 | /* Ask BE to create MCC compl queue; share TX's eq */ | ||
1638 | if (be_cmd_cq_create(adapter, cq, &adapter->tx_eq.q, false, true, 0)) | ||
1639 | goto mcc_cq_free; | ||
1640 | |||
1641 | /* Alloc MCC queue */ | ||
1642 | q = &adapter->mcc_obj.q; | ||
1643 | if (be_queue_alloc(adapter, q, MCC_Q_LEN, sizeof(struct be_mcc_wrb))) | ||
1644 | goto mcc_cq_destroy; | ||
1645 | |||
1646 | /* Ask BE to create MCC queue */ | ||
1647 | if (be_cmd_mccq_create(adapter, q, cq)) | ||
1648 | goto mcc_q_free; | ||
1649 | |||
1650 | return 0; | ||
1651 | |||
1652 | mcc_q_free: | ||
1653 | be_queue_free(adapter, q); | ||
1654 | mcc_cq_destroy: | ||
1655 | be_cmd_q_destroy(adapter, cq, QTYPE_CQ); | ||
1656 | mcc_cq_free: | ||
1657 | be_queue_free(adapter, cq); | ||
1658 | err: | ||
1659 | return -1; | ||
1660 | } | ||
1661 | |||
1662 | static void be_tx_queues_destroy(struct be_adapter *adapter) | ||
1663 | { | ||
1664 | struct be_queue_info *q; | ||
1665 | struct be_tx_obj *txo; | ||
1666 | u8 i; | ||
1667 | |||
1668 | for_all_tx_queues(adapter, txo, i) { | ||
1669 | q = &txo->q; | ||
1670 | if (q->created) | ||
1671 | be_cmd_q_destroy(adapter, q, QTYPE_TXQ); | ||
1672 | be_queue_free(adapter, q); | ||
1673 | |||
1674 | q = &txo->cq; | ||
1675 | if (q->created) | ||
1676 | be_cmd_q_destroy(adapter, q, QTYPE_CQ); | ||
1677 | be_queue_free(adapter, q); | ||
1678 | } | ||
1679 | |||
1680 | /* Clear any residual events */ | ||
1681 | be_eq_clean(adapter, &adapter->tx_eq); | ||
1682 | |||
1683 | q = &adapter->tx_eq.q; | ||
1684 | if (q->created) | ||
1685 | be_cmd_q_destroy(adapter, q, QTYPE_EQ); | ||
1686 | be_queue_free(adapter, q); | ||
1687 | } | ||
1688 | |||
1689 | /* One TX event queue is shared by all TX compl qs */ | ||
1690 | static int be_tx_queues_create(struct be_adapter *adapter) | ||
1691 | { | ||
1692 | struct be_queue_info *eq, *q, *cq; | ||
1693 | struct be_tx_obj *txo; | ||
1694 | u8 i; | ||
1695 | |||
1696 | adapter->tx_eq.max_eqd = 0; | ||
1697 | adapter->tx_eq.min_eqd = 0; | ||
1698 | adapter->tx_eq.cur_eqd = 96; | ||
1699 | adapter->tx_eq.enable_aic = false; | ||
1700 | |||
1701 | eq = &adapter->tx_eq.q; | ||
1702 | if (be_queue_alloc(adapter, eq, EVNT_Q_LEN, | ||
1703 | sizeof(struct be_eq_entry))) | ||
1704 | return -1; | ||
1705 | |||
1706 | if (be_cmd_eq_create(adapter, eq, adapter->tx_eq.cur_eqd)) | ||
1707 | goto err; | ||
1708 | adapter->tx_eq.eq_idx = adapter->eq_next_idx++; | ||
1709 | |||
1710 | for_all_tx_queues(adapter, txo, i) { | ||
1711 | cq = &txo->cq; | ||
1712 | if (be_queue_alloc(adapter, cq, TX_CQ_LEN, | ||
1713 | sizeof(struct be_eth_tx_compl))) | ||
1714 | goto err; | ||
1715 | |||
1716 | if (be_cmd_cq_create(adapter, cq, eq, false, false, 3)) | ||
1717 | goto err; | ||
1718 | |||
1719 | q = &txo->q; | ||
1720 | if (be_queue_alloc(adapter, q, TX_Q_LEN, | ||
1721 | sizeof(struct be_eth_wrb))) | ||
1722 | goto err; | ||
1723 | |||
1724 | if (be_cmd_txq_create(adapter, q, cq)) | ||
1725 | goto err; | ||
1726 | } | ||
1727 | return 0; | ||
1728 | |||
1729 | err: | ||
1730 | be_tx_queues_destroy(adapter); | ||
1731 | return -1; | ||
1732 | } | ||
1733 | |||
1734 | static void be_rx_queues_destroy(struct be_adapter *adapter) | ||
1735 | { | ||
1736 | struct be_queue_info *q; | ||
1737 | struct be_rx_obj *rxo; | ||
1738 | int i; | ||
1739 | |||
1740 | for_all_rx_queues(adapter, rxo, i) { | ||
1741 | be_queue_free(adapter, &rxo->q); | ||
1742 | |||
1743 | q = &rxo->cq; | ||
1744 | if (q->created) | ||
1745 | be_cmd_q_destroy(adapter, q, QTYPE_CQ); | ||
1746 | be_queue_free(adapter, q); | ||
1747 | |||
1748 | q = &rxo->rx_eq.q; | ||
1749 | if (q->created) | ||
1750 | be_cmd_q_destroy(adapter, q, QTYPE_EQ); | ||
1751 | be_queue_free(adapter, q); | ||
1752 | } | ||
1753 | } | ||
1754 | |||
1755 | static u32 be_num_rxqs_want(struct be_adapter *adapter) | ||
1756 | { | ||
1757 | if ((adapter->function_caps & BE_FUNCTION_CAPS_RSS) && | ||
1758 | !adapter->sriov_enabled && !(adapter->function_mode & 0x400)) { | ||
1759 | return 1 + MAX_RSS_QS; /* one default non-RSS queue */ | ||
1760 | } else { | ||
1761 | dev_warn(&adapter->pdev->dev, | ||
1762 | "No support for multiple RX queues\n"); | ||
1763 | return 1; | ||
1764 | } | ||
1765 | } | ||
1766 | |||
1767 | static int be_rx_queues_create(struct be_adapter *adapter) | ||
1768 | { | ||
1769 | struct be_queue_info *eq, *q, *cq; | ||
1770 | struct be_rx_obj *rxo; | ||
1771 | int rc, i; | ||
1772 | |||
1773 | adapter->num_rx_qs = min(be_num_rxqs_want(adapter), | ||
1774 | msix_enabled(adapter) ? | ||
1775 | adapter->num_msix_vec - 1 : 1); | ||
1776 | if (adapter->num_rx_qs != MAX_RX_QS) | ||
1777 | dev_warn(&adapter->pdev->dev, | ||
1778 | "Can create only %d RX queues", adapter->num_rx_qs); | ||
1779 | |||
1780 | adapter->big_page_size = (1 << get_order(rx_frag_size)) * PAGE_SIZE; | ||
1781 | for_all_rx_queues(adapter, rxo, i) { | ||
1782 | rxo->adapter = adapter; | ||
1783 | rxo->rx_eq.max_eqd = BE_MAX_EQD; | ||
1784 | rxo->rx_eq.enable_aic = true; | ||
1785 | |||
1786 | /* EQ */ | ||
1787 | eq = &rxo->rx_eq.q; | ||
1788 | rc = be_queue_alloc(adapter, eq, EVNT_Q_LEN, | ||
1789 | sizeof(struct be_eq_entry)); | ||
1790 | if (rc) | ||
1791 | goto err; | ||
1792 | |||
1793 | rc = be_cmd_eq_create(adapter, eq, rxo->rx_eq.cur_eqd); | ||
1794 | if (rc) | ||
1795 | goto err; | ||
1796 | |||
1797 | rxo->rx_eq.eq_idx = adapter->eq_next_idx++; | ||
1798 | |||
1799 | /* CQ */ | ||
1800 | cq = &rxo->cq; | ||
1801 | rc = be_queue_alloc(adapter, cq, RX_CQ_LEN, | ||
1802 | sizeof(struct be_eth_rx_compl)); | ||
1803 | if (rc) | ||
1804 | goto err; | ||
1805 | |||
1806 | rc = be_cmd_cq_create(adapter, cq, eq, false, false, 3); | ||
1807 | if (rc) | ||
1808 | goto err; | ||
1809 | |||
1810 | /* Rx Q - will be created in be_open() */ | ||
1811 | q = &rxo->q; | ||
1812 | rc = be_queue_alloc(adapter, q, RX_Q_LEN, | ||
1813 | sizeof(struct be_eth_rx_d)); | ||
1814 | if (rc) | ||
1815 | goto err; | ||
1816 | |||
1817 | } | ||
1818 | |||
1819 | return 0; | ||
1820 | err: | ||
1821 | be_rx_queues_destroy(adapter); | ||
1822 | return -1; | ||
1823 | } | ||
1824 | |||
1825 | static bool event_peek(struct be_eq_obj *eq_obj) | ||
1826 | { | ||
1827 | struct be_eq_entry *eqe = queue_tail_node(&eq_obj->q); | ||
1828 | if (!eqe->evt) | ||
1829 | return false; | ||
1830 | else | ||
1831 | return true; | ||
1832 | } | ||
1833 | |||
1834 | static irqreturn_t be_intx(int irq, void *dev) | ||
1835 | { | ||
1836 | struct be_adapter *adapter = dev; | ||
1837 | struct be_rx_obj *rxo; | ||
1838 | int isr, i, tx = 0 , rx = 0; | ||
1839 | |||
1840 | if (lancer_chip(adapter)) { | ||
1841 | if (event_peek(&adapter->tx_eq)) | ||
1842 | tx = event_handle(adapter, &adapter->tx_eq, false); | ||
1843 | for_all_rx_queues(adapter, rxo, i) { | ||
1844 | if (event_peek(&rxo->rx_eq)) | ||
1845 | rx |= event_handle(adapter, &rxo->rx_eq, true); | ||
1846 | } | ||
1847 | |||
1848 | if (!(tx || rx)) | ||
1849 | return IRQ_NONE; | ||
1850 | |||
1851 | } else { | ||
1852 | isr = ioread32(adapter->csr + CEV_ISR0_OFFSET + | ||
1853 | (adapter->tx_eq.q.id / 8) * CEV_ISR_SIZE); | ||
1854 | if (!isr) | ||
1855 | return IRQ_NONE; | ||
1856 | |||
1857 | if ((1 << adapter->tx_eq.eq_idx & isr)) | ||
1858 | event_handle(adapter, &adapter->tx_eq, false); | ||
1859 | |||
1860 | for_all_rx_queues(adapter, rxo, i) { | ||
1861 | if ((1 << rxo->rx_eq.eq_idx & isr)) | ||
1862 | event_handle(adapter, &rxo->rx_eq, true); | ||
1863 | } | ||
1864 | } | ||
1865 | |||
1866 | return IRQ_HANDLED; | ||
1867 | } | ||
1868 | |||
1869 | static irqreturn_t be_msix_rx(int irq, void *dev) | ||
1870 | { | ||
1871 | struct be_rx_obj *rxo = dev; | ||
1872 | struct be_adapter *adapter = rxo->adapter; | ||
1873 | |||
1874 | event_handle(adapter, &rxo->rx_eq, true); | ||
1875 | |||
1876 | return IRQ_HANDLED; | ||
1877 | } | ||
1878 | |||
1879 | static irqreturn_t be_msix_tx_mcc(int irq, void *dev) | ||
1880 | { | ||
1881 | struct be_adapter *adapter = dev; | ||
1882 | |||
1883 | event_handle(adapter, &adapter->tx_eq, false); | ||
1884 | |||
1885 | return IRQ_HANDLED; | ||
1886 | } | ||
1887 | |||
1888 | static inline bool do_gro(struct be_rx_compl_info *rxcp) | ||
1889 | { | ||
1890 | return (rxcp->tcpf && !rxcp->err) ? true : false; | ||
1891 | } | ||
1892 | |||
1893 | static int be_poll_rx(struct napi_struct *napi, int budget) | ||
1894 | { | ||
1895 | struct be_eq_obj *rx_eq = container_of(napi, struct be_eq_obj, napi); | ||
1896 | struct be_rx_obj *rxo = container_of(rx_eq, struct be_rx_obj, rx_eq); | ||
1897 | struct be_adapter *adapter = rxo->adapter; | ||
1898 | struct be_queue_info *rx_cq = &rxo->cq; | ||
1899 | struct be_rx_compl_info *rxcp; | ||
1900 | u32 work_done; | ||
1901 | |||
1902 | rxo->stats.rx_polls++; | ||
1903 | for (work_done = 0; work_done < budget; work_done++) { | ||
1904 | rxcp = be_rx_compl_get(rxo); | ||
1905 | if (!rxcp) | ||
1906 | break; | ||
1907 | |||
1908 | /* Ignore flush completions */ | ||
1909 | if (rxcp->num_rcvd && rxcp->pkt_size) { | ||
1910 | if (do_gro(rxcp)) | ||
1911 | be_rx_compl_process_gro(adapter, rxo, rxcp); | ||
1912 | else | ||
1913 | be_rx_compl_process(adapter, rxo, rxcp); | ||
1914 | } else if (rxcp->pkt_size == 0) { | ||
1915 | be_rx_compl_discard(adapter, rxo, rxcp); | ||
1916 | } | ||
1917 | |||
1918 | be_rx_stats_update(rxo, rxcp); | ||
1919 | } | ||
1920 | |||
1921 | /* Refill the queue */ | ||
1922 | if (atomic_read(&rxo->q.used) < RX_FRAGS_REFILL_WM) | ||
1923 | be_post_rx_frags(rxo, GFP_ATOMIC); | ||
1924 | |||
1925 | /* All consumed */ | ||
1926 | if (work_done < budget) { | ||
1927 | napi_complete(napi); | ||
1928 | be_cq_notify(adapter, rx_cq->id, true, work_done); | ||
1929 | } else { | ||
1930 | /* More to be consumed; continue with interrupts disabled */ | ||
1931 | be_cq_notify(adapter, rx_cq->id, false, work_done); | ||
1932 | } | ||
1933 | return work_done; | ||
1934 | } | ||
1935 | |||
1936 | /* As TX and MCC share the same EQ check for both TX and MCC completions. | ||
1937 | * For TX/MCC we don't honour budget; consume everything | ||
1938 | */ | ||
1939 | static int be_poll_tx_mcc(struct napi_struct *napi, int budget) | ||
1940 | { | ||
1941 | struct be_eq_obj *tx_eq = container_of(napi, struct be_eq_obj, napi); | ||
1942 | struct be_adapter *adapter = | ||
1943 | container_of(tx_eq, struct be_adapter, tx_eq); | ||
1944 | struct be_tx_obj *txo; | ||
1945 | struct be_eth_tx_compl *txcp; | ||
1946 | int tx_compl, mcc_compl, status = 0; | ||
1947 | u8 i; | ||
1948 | u16 num_wrbs; | ||
1949 | |||
1950 | for_all_tx_queues(adapter, txo, i) { | ||
1951 | tx_compl = 0; | ||
1952 | num_wrbs = 0; | ||
1953 | while ((txcp = be_tx_compl_get(&txo->cq))) { | ||
1954 | num_wrbs += be_tx_compl_process(adapter, txo, | ||
1955 | AMAP_GET_BITS(struct amap_eth_tx_compl, | ||
1956 | wrb_index, txcp)); | ||
1957 | tx_compl++; | ||
1958 | } | ||
1959 | if (tx_compl) { | ||
1960 | be_cq_notify(adapter, txo->cq.id, true, tx_compl); | ||
1961 | |||
1962 | atomic_sub(num_wrbs, &txo->q.used); | ||
1963 | |||
1964 | /* As Tx wrbs have been freed up, wake up netdev queue | ||
1965 | * if it was stopped due to lack of tx wrbs. */ | ||
1966 | if (__netif_subqueue_stopped(adapter->netdev, i) && | ||
1967 | atomic_read(&txo->q.used) < txo->q.len / 2) { | ||
1968 | netif_wake_subqueue(adapter->netdev, i); | ||
1969 | } | ||
1970 | |||
1971 | adapter->drv_stats.be_tx_events++; | ||
1972 | txo->stats.be_tx_compl += tx_compl; | ||
1973 | } | ||
1974 | } | ||
1975 | |||
1976 | mcc_compl = be_process_mcc(adapter, &status); | ||
1977 | |||
1978 | if (mcc_compl) { | ||
1979 | struct be_mcc_obj *mcc_obj = &adapter->mcc_obj; | ||
1980 | be_cq_notify(adapter, mcc_obj->cq.id, true, mcc_compl); | ||
1981 | } | ||
1982 | |||
1983 | napi_complete(napi); | ||
1984 | |||
1985 | be_eq_notify(adapter, tx_eq->q.id, true, false, 0); | ||
1986 | return 1; | ||
1987 | } | ||
1988 | |||
1989 | void be_detect_dump_ue(struct be_adapter *adapter) | ||
1990 | { | ||
1991 | u32 ue_status_lo, ue_status_hi, ue_status_lo_mask, ue_status_hi_mask; | ||
1992 | u32 i; | ||
1993 | |||
1994 | pci_read_config_dword(adapter->pdev, | ||
1995 | PCICFG_UE_STATUS_LOW, &ue_status_lo); | ||
1996 | pci_read_config_dword(adapter->pdev, | ||
1997 | PCICFG_UE_STATUS_HIGH, &ue_status_hi); | ||
1998 | pci_read_config_dword(adapter->pdev, | ||
1999 | PCICFG_UE_STATUS_LOW_MASK, &ue_status_lo_mask); | ||
2000 | pci_read_config_dword(adapter->pdev, | ||
2001 | PCICFG_UE_STATUS_HI_MASK, &ue_status_hi_mask); | ||
2002 | |||
2003 | ue_status_lo = (ue_status_lo & (~ue_status_lo_mask)); | ||
2004 | ue_status_hi = (ue_status_hi & (~ue_status_hi_mask)); | ||
2005 | |||
2006 | if (ue_status_lo || ue_status_hi) { | ||
2007 | adapter->ue_detected = true; | ||
2008 | adapter->eeh_err = true; | ||
2009 | dev_err(&adapter->pdev->dev, "UE Detected!!\n"); | ||
2010 | } | ||
2011 | |||
2012 | if (ue_status_lo) { | ||
2013 | for (i = 0; ue_status_lo; ue_status_lo >>= 1, i++) { | ||
2014 | if (ue_status_lo & 1) | ||
2015 | dev_err(&adapter->pdev->dev, | ||
2016 | "UE: %s bit set\n", ue_status_low_desc[i]); | ||
2017 | } | ||
2018 | } | ||
2019 | if (ue_status_hi) { | ||
2020 | for (i = 0; ue_status_hi; ue_status_hi >>= 1, i++) { | ||
2021 | if (ue_status_hi & 1) | ||
2022 | dev_err(&adapter->pdev->dev, | ||
2023 | "UE: %s bit set\n", ue_status_hi_desc[i]); | ||
2024 | } | ||
2025 | } | ||
2026 | |||
2027 | } | ||
2028 | |||
2029 | static void be_worker(struct work_struct *work) | ||
2030 | { | ||
2031 | struct be_adapter *adapter = | ||
2032 | container_of(work, struct be_adapter, work.work); | ||
2033 | struct be_rx_obj *rxo; | ||
2034 | struct be_tx_obj *txo; | ||
2035 | int i; | ||
2036 | |||
2037 | if (!adapter->ue_detected && !lancer_chip(adapter)) | ||
2038 | be_detect_dump_ue(adapter); | ||
2039 | |||
2040 | /* when interrupts are not yet enabled, just reap any pending | ||
2041 | * mcc completions */ | ||
2042 | if (!netif_running(adapter->netdev)) { | ||
2043 | int mcc_compl, status = 0; | ||
2044 | |||
2045 | mcc_compl = be_process_mcc(adapter, &status); | ||
2046 | |||
2047 | if (mcc_compl) { | ||
2048 | struct be_mcc_obj *mcc_obj = &adapter->mcc_obj; | ||
2049 | be_cq_notify(adapter, mcc_obj->cq.id, false, mcc_compl); | ||
2050 | } | ||
2051 | |||
2052 | goto reschedule; | ||
2053 | } | ||
2054 | |||
2055 | if (!adapter->stats_cmd_sent) { | ||
2056 | if (lancer_chip(adapter)) | ||
2057 | lancer_cmd_get_pport_stats(adapter, | ||
2058 | &adapter->stats_cmd); | ||
2059 | else | ||
2060 | be_cmd_get_stats(adapter, &adapter->stats_cmd); | ||
2061 | } | ||
2062 | |||
2063 | for_all_tx_queues(adapter, txo, i) | ||
2064 | be_tx_rate_update(txo); | ||
2065 | |||
2066 | for_all_rx_queues(adapter, rxo, i) { | ||
2067 | be_rx_rate_update(rxo); | ||
2068 | be_rx_eqd_update(adapter, rxo); | ||
2069 | |||
2070 | if (rxo->rx_post_starved) { | ||
2071 | rxo->rx_post_starved = false; | ||
2072 | be_post_rx_frags(rxo, GFP_KERNEL); | ||
2073 | } | ||
2074 | } | ||
2075 | |||
2076 | reschedule: | ||
2077 | adapter->work_counter++; | ||
2078 | schedule_delayed_work(&adapter->work, msecs_to_jiffies(1000)); | ||
2079 | } | ||
2080 | |||
2081 | static void be_msix_disable(struct be_adapter *adapter) | ||
2082 | { | ||
2083 | if (msix_enabled(adapter)) { | ||
2084 | pci_disable_msix(adapter->pdev); | ||
2085 | adapter->num_msix_vec = 0; | ||
2086 | } | ||
2087 | } | ||
2088 | |||
2089 | static void be_msix_enable(struct be_adapter *adapter) | ||
2090 | { | ||
2091 | #define BE_MIN_MSIX_VECTORS (1 + 1) /* Rx + Tx */ | ||
2092 | int i, status, num_vec; | ||
2093 | |||
2094 | num_vec = be_num_rxqs_want(adapter) + 1; | ||
2095 | |||
2096 | for (i = 0; i < num_vec; i++) | ||
2097 | adapter->msix_entries[i].entry = i; | ||
2098 | |||
2099 | status = pci_enable_msix(adapter->pdev, adapter->msix_entries, num_vec); | ||
2100 | if (status == 0) { | ||
2101 | goto done; | ||
2102 | } else if (status >= BE_MIN_MSIX_VECTORS) { | ||
2103 | num_vec = status; | ||
2104 | if (pci_enable_msix(adapter->pdev, adapter->msix_entries, | ||
2105 | num_vec) == 0) | ||
2106 | goto done; | ||
2107 | } | ||
2108 | return; | ||
2109 | done: | ||
2110 | adapter->num_msix_vec = num_vec; | ||
2111 | return; | ||
2112 | } | ||
2113 | |||
2114 | static void be_sriov_enable(struct be_adapter *adapter) | ||
2115 | { | ||
2116 | be_check_sriov_fn_type(adapter); | ||
2117 | #ifdef CONFIG_PCI_IOV | ||
2118 | if (be_physfn(adapter) && num_vfs) { | ||
2119 | int status, pos; | ||
2120 | u16 nvfs; | ||
2121 | |||
2122 | pos = pci_find_ext_capability(adapter->pdev, | ||
2123 | PCI_EXT_CAP_ID_SRIOV); | ||
2124 | pci_read_config_word(adapter->pdev, | ||
2125 | pos + PCI_SRIOV_TOTAL_VF, &nvfs); | ||
2126 | |||
2127 | if (num_vfs > nvfs) { | ||
2128 | dev_info(&adapter->pdev->dev, | ||
2129 | "Device supports %d VFs and not %d\n", | ||
2130 | nvfs, num_vfs); | ||
2131 | num_vfs = nvfs; | ||
2132 | } | ||
2133 | |||
2134 | status = pci_enable_sriov(adapter->pdev, num_vfs); | ||
2135 | adapter->sriov_enabled = status ? false : true; | ||
2136 | } | ||
2137 | #endif | ||
2138 | } | ||
2139 | |||
2140 | static void be_sriov_disable(struct be_adapter *adapter) | ||
2141 | { | ||
2142 | #ifdef CONFIG_PCI_IOV | ||
2143 | if (adapter->sriov_enabled) { | ||
2144 | pci_disable_sriov(adapter->pdev); | ||
2145 | adapter->sriov_enabled = false; | ||
2146 | } | ||
2147 | #endif | ||
2148 | } | ||
2149 | |||
2150 | static inline int be_msix_vec_get(struct be_adapter *adapter, | ||
2151 | struct be_eq_obj *eq_obj) | ||
2152 | { | ||
2153 | return adapter->msix_entries[eq_obj->eq_idx].vector; | ||
2154 | } | ||
2155 | |||
2156 | static int be_request_irq(struct be_adapter *adapter, | ||
2157 | struct be_eq_obj *eq_obj, | ||
2158 | void *handler, char *desc, void *context) | ||
2159 | { | ||
2160 | struct net_device *netdev = adapter->netdev; | ||
2161 | int vec; | ||
2162 | |||
2163 | sprintf(eq_obj->desc, "%s-%s", netdev->name, desc); | ||
2164 | vec = be_msix_vec_get(adapter, eq_obj); | ||
2165 | return request_irq(vec, handler, 0, eq_obj->desc, context); | ||
2166 | } | ||
2167 | |||
2168 | static void be_free_irq(struct be_adapter *adapter, struct be_eq_obj *eq_obj, | ||
2169 | void *context) | ||
2170 | { | ||
2171 | int vec = be_msix_vec_get(adapter, eq_obj); | ||
2172 | free_irq(vec, context); | ||
2173 | } | ||
2174 | |||
2175 | static int be_msix_register(struct be_adapter *adapter) | ||
2176 | { | ||
2177 | struct be_rx_obj *rxo; | ||
2178 | int status, i; | ||
2179 | char qname[10]; | ||
2180 | |||
2181 | status = be_request_irq(adapter, &adapter->tx_eq, be_msix_tx_mcc, "tx", | ||
2182 | adapter); | ||
2183 | if (status) | ||
2184 | goto err; | ||
2185 | |||
2186 | for_all_rx_queues(adapter, rxo, i) { | ||
2187 | sprintf(qname, "rxq%d", i); | ||
2188 | status = be_request_irq(adapter, &rxo->rx_eq, be_msix_rx, | ||
2189 | qname, rxo); | ||
2190 | if (status) | ||
2191 | goto err_msix; | ||
2192 | } | ||
2193 | |||
2194 | return 0; | ||
2195 | |||
2196 | err_msix: | ||
2197 | be_free_irq(adapter, &adapter->tx_eq, adapter); | ||
2198 | |||
2199 | for (i--, rxo = &adapter->rx_obj[i]; i >= 0; i--, rxo--) | ||
2200 | be_free_irq(adapter, &rxo->rx_eq, rxo); | ||
2201 | |||
2202 | err: | ||
2203 | dev_warn(&adapter->pdev->dev, | ||
2204 | "MSIX Request IRQ failed - err %d\n", status); | ||
2205 | be_msix_disable(adapter); | ||
2206 | return status; | ||
2207 | } | ||
2208 | |||
2209 | static int be_irq_register(struct be_adapter *adapter) | ||
2210 | { | ||
2211 | struct net_device *netdev = adapter->netdev; | ||
2212 | int status; | ||
2213 | |||
2214 | if (msix_enabled(adapter)) { | ||
2215 | status = be_msix_register(adapter); | ||
2216 | if (status == 0) | ||
2217 | goto done; | ||
2218 | /* INTx is not supported for VF */ | ||
2219 | if (!be_physfn(adapter)) | ||
2220 | return status; | ||
2221 | } | ||
2222 | |||
2223 | /* INTx */ | ||
2224 | netdev->irq = adapter->pdev->irq; | ||
2225 | status = request_irq(netdev->irq, be_intx, IRQF_SHARED, netdev->name, | ||
2226 | adapter); | ||
2227 | if (status) { | ||
2228 | dev_err(&adapter->pdev->dev, | ||
2229 | "INTx request IRQ failed - err %d\n", status); | ||
2230 | return status; | ||
2231 | } | ||
2232 | done: | ||
2233 | adapter->isr_registered = true; | ||
2234 | return 0; | ||
2235 | } | ||
2236 | |||
2237 | static void be_irq_unregister(struct be_adapter *adapter) | ||
2238 | { | ||
2239 | struct net_device *netdev = adapter->netdev; | ||
2240 | struct be_rx_obj *rxo; | ||
2241 | int i; | ||
2242 | |||
2243 | if (!adapter->isr_registered) | ||
2244 | return; | ||
2245 | |||
2246 | /* INTx */ | ||
2247 | if (!msix_enabled(adapter)) { | ||
2248 | free_irq(netdev->irq, adapter); | ||
2249 | goto done; | ||
2250 | } | ||
2251 | |||
2252 | /* MSIx */ | ||
2253 | be_free_irq(adapter, &adapter->tx_eq, adapter); | ||
2254 | |||
2255 | for_all_rx_queues(adapter, rxo, i) | ||
2256 | be_free_irq(adapter, &rxo->rx_eq, rxo); | ||
2257 | |||
2258 | done: | ||
2259 | adapter->isr_registered = false; | ||
2260 | } | ||
2261 | |||
2262 | static void be_rx_queues_clear(struct be_adapter *adapter) | ||
2263 | { | ||
2264 | struct be_queue_info *q; | ||
2265 | struct be_rx_obj *rxo; | ||
2266 | int i; | ||
2267 | |||
2268 | for_all_rx_queues(adapter, rxo, i) { | ||
2269 | q = &rxo->q; | ||
2270 | if (q->created) { | ||
2271 | be_cmd_rxq_destroy(adapter, q); | ||
2272 | /* After the rxq is invalidated, wait for a grace time | ||
2273 | * of 1ms for all dma to end and the flush compl to | ||
2274 | * arrive | ||
2275 | */ | ||
2276 | mdelay(1); | ||
2277 | be_rx_q_clean(adapter, rxo); | ||
2278 | } | ||
2279 | |||
2280 | /* Clear any residual events */ | ||
2281 | q = &rxo->rx_eq.q; | ||
2282 | if (q->created) | ||
2283 | be_eq_clean(adapter, &rxo->rx_eq); | ||
2284 | } | ||
2285 | } | ||
2286 | |||
2287 | static int be_close(struct net_device *netdev) | ||
2288 | { | ||
2289 | struct be_adapter *adapter = netdev_priv(netdev); | ||
2290 | struct be_rx_obj *rxo; | ||
2291 | struct be_tx_obj *txo; | ||
2292 | struct be_eq_obj *tx_eq = &adapter->tx_eq; | ||
2293 | int vec, i; | ||
2294 | |||
2295 | be_async_mcc_disable(adapter); | ||
2296 | |||
2297 | netif_carrier_off(netdev); | ||
2298 | adapter->link_up = false; | ||
2299 | |||
2300 | if (!lancer_chip(adapter)) | ||
2301 | be_intr_set(adapter, false); | ||
2302 | |||
2303 | for_all_rx_queues(adapter, rxo, i) | ||
2304 | napi_disable(&rxo->rx_eq.napi); | ||
2305 | |||
2306 | napi_disable(&tx_eq->napi); | ||
2307 | |||
2308 | if (lancer_chip(adapter)) { | ||
2309 | be_cq_notify(adapter, adapter->mcc_obj.cq.id, false, 0); | ||
2310 | for_all_rx_queues(adapter, rxo, i) | ||
2311 | be_cq_notify(adapter, rxo->cq.id, false, 0); | ||
2312 | for_all_tx_queues(adapter, txo, i) | ||
2313 | be_cq_notify(adapter, txo->cq.id, false, 0); | ||
2314 | } | ||
2315 | |||
2316 | if (msix_enabled(adapter)) { | ||
2317 | vec = be_msix_vec_get(adapter, tx_eq); | ||
2318 | synchronize_irq(vec); | ||
2319 | |||
2320 | for_all_rx_queues(adapter, rxo, i) { | ||
2321 | vec = be_msix_vec_get(adapter, &rxo->rx_eq); | ||
2322 | synchronize_irq(vec); | ||
2323 | } | ||
2324 | } else { | ||
2325 | synchronize_irq(netdev->irq); | ||
2326 | } | ||
2327 | be_irq_unregister(adapter); | ||
2328 | |||
2329 | /* Wait for all pending tx completions to arrive so that | ||
2330 | * all tx skbs are freed. | ||
2331 | */ | ||
2332 | for_all_tx_queues(adapter, txo, i) | ||
2333 | be_tx_compl_clean(adapter, txo); | ||
2334 | |||
2335 | be_rx_queues_clear(adapter); | ||
2336 | return 0; | ||
2337 | } | ||
2338 | |||
2339 | static int be_rx_queues_setup(struct be_adapter *adapter) | ||
2340 | { | ||
2341 | struct be_rx_obj *rxo; | ||
2342 | int rc, i; | ||
2343 | u8 rsstable[MAX_RSS_QS]; | ||
2344 | |||
2345 | for_all_rx_queues(adapter, rxo, i) { | ||
2346 | rc = be_cmd_rxq_create(adapter, &rxo->q, rxo->cq.id, | ||
2347 | rx_frag_size, BE_MAX_JUMBO_FRAME_SIZE, | ||
2348 | adapter->if_handle, | ||
2349 | (i > 0) ? 1 : 0/* rss enable */, &rxo->rss_id); | ||
2350 | if (rc) | ||
2351 | return rc; | ||
2352 | } | ||
2353 | |||
2354 | if (be_multi_rxq(adapter)) { | ||
2355 | for_all_rss_queues(adapter, rxo, i) | ||
2356 | rsstable[i] = rxo->rss_id; | ||
2357 | |||
2358 | rc = be_cmd_rss_config(adapter, rsstable, | ||
2359 | adapter->num_rx_qs - 1); | ||
2360 | if (rc) | ||
2361 | return rc; | ||
2362 | } | ||
2363 | |||
2364 | /* First time posting */ | ||
2365 | for_all_rx_queues(adapter, rxo, i) { | ||
2366 | be_post_rx_frags(rxo, GFP_KERNEL); | ||
2367 | napi_enable(&rxo->rx_eq.napi); | ||
2368 | } | ||
2369 | return 0; | ||
2370 | } | ||
2371 | |||
2372 | static int be_open(struct net_device *netdev) | ||
2373 | { | ||
2374 | struct be_adapter *adapter = netdev_priv(netdev); | ||
2375 | struct be_eq_obj *tx_eq = &adapter->tx_eq; | ||
2376 | struct be_rx_obj *rxo; | ||
2377 | bool link_up; | ||
2378 | int status, i; | ||
2379 | u8 mac_speed; | ||
2380 | u16 link_speed; | ||
2381 | |||
2382 | status = be_rx_queues_setup(adapter); | ||
2383 | if (status) | ||
2384 | goto err; | ||
2385 | |||
2386 | napi_enable(&tx_eq->napi); | ||
2387 | |||
2388 | be_irq_register(adapter); | ||
2389 | |||
2390 | if (!lancer_chip(adapter)) | ||
2391 | be_intr_set(adapter, true); | ||
2392 | |||
2393 | /* The evt queues are created in unarmed state; arm them */ | ||
2394 | for_all_rx_queues(adapter, rxo, i) { | ||
2395 | be_eq_notify(adapter, rxo->rx_eq.q.id, true, false, 0); | ||
2396 | be_cq_notify(adapter, rxo->cq.id, true, 0); | ||
2397 | } | ||
2398 | be_eq_notify(adapter, tx_eq->q.id, true, false, 0); | ||
2399 | |||
2400 | /* Now that interrupts are on we can process async mcc */ | ||
2401 | be_async_mcc_enable(adapter); | ||
2402 | |||
2403 | status = be_cmd_link_status_query(adapter, &link_up, &mac_speed, | ||
2404 | &link_speed, 0); | ||
2405 | if (status) | ||
2406 | goto err; | ||
2407 | be_link_status_update(adapter, link_up); | ||
2408 | |||
2409 | if (be_physfn(adapter)) { | ||
2410 | status = be_vid_config(adapter, false, 0); | ||
2411 | if (status) | ||
2412 | goto err; | ||
2413 | |||
2414 | status = be_cmd_set_flow_control(adapter, | ||
2415 | adapter->tx_fc, adapter->rx_fc); | ||
2416 | if (status) | ||
2417 | goto err; | ||
2418 | } | ||
2419 | |||
2420 | return 0; | ||
2421 | err: | ||
2422 | be_close(adapter->netdev); | ||
2423 | return -EIO; | ||
2424 | } | ||
2425 | |||
2426 | static int be_setup_wol(struct be_adapter *adapter, bool enable) | ||
2427 | { | ||
2428 | struct be_dma_mem cmd; | ||
2429 | int status = 0; | ||
2430 | u8 mac[ETH_ALEN]; | ||
2431 | |||
2432 | memset(mac, 0, ETH_ALEN); | ||
2433 | |||
2434 | cmd.size = sizeof(struct be_cmd_req_acpi_wol_magic_config); | ||
2435 | cmd.va = dma_alloc_coherent(&adapter->pdev->dev, cmd.size, &cmd.dma, | ||
2436 | GFP_KERNEL); | ||
2437 | if (cmd.va == NULL) | ||
2438 | return -1; | ||
2439 | memset(cmd.va, 0, cmd.size); | ||
2440 | |||
2441 | if (enable) { | ||
2442 | status = pci_write_config_dword(adapter->pdev, | ||
2443 | PCICFG_PM_CONTROL_OFFSET, PCICFG_PM_CONTROL_MASK); | ||
2444 | if (status) { | ||
2445 | dev_err(&adapter->pdev->dev, | ||
2446 | "Could not enable Wake-on-lan\n"); | ||
2447 | dma_free_coherent(&adapter->pdev->dev, cmd.size, cmd.va, | ||
2448 | cmd.dma); | ||
2449 | return status; | ||
2450 | } | ||
2451 | status = be_cmd_enable_magic_wol(adapter, | ||
2452 | adapter->netdev->dev_addr, &cmd); | ||
2453 | pci_enable_wake(adapter->pdev, PCI_D3hot, 1); | ||
2454 | pci_enable_wake(adapter->pdev, PCI_D3cold, 1); | ||
2455 | } else { | ||
2456 | status = be_cmd_enable_magic_wol(adapter, mac, &cmd); | ||
2457 | pci_enable_wake(adapter->pdev, PCI_D3hot, 0); | ||
2458 | pci_enable_wake(adapter->pdev, PCI_D3cold, 0); | ||
2459 | } | ||
2460 | |||
2461 | dma_free_coherent(&adapter->pdev->dev, cmd.size, cmd.va, cmd.dma); | ||
2462 | return status; | ||
2463 | } | ||
2464 | |||
2465 | /* | ||
2466 | * Generate a seed MAC address from the PF MAC Address using jhash. | ||
2467 | * MAC Address for VFs are assigned incrementally starting from the seed. | ||
2468 | * These addresses are programmed in the ASIC by the PF and the VF driver | ||
2469 | * queries for the MAC address during its probe. | ||
2470 | */ | ||
2471 | static inline int be_vf_eth_addr_config(struct be_adapter *adapter) | ||
2472 | { | ||
2473 | u32 vf = 0; | ||
2474 | int status = 0; | ||
2475 | u8 mac[ETH_ALEN]; | ||
2476 | |||
2477 | be_vf_eth_addr_generate(adapter, mac); | ||
2478 | |||
2479 | for (vf = 0; vf < num_vfs; vf++) { | ||
2480 | status = be_cmd_pmac_add(adapter, mac, | ||
2481 | adapter->vf_cfg[vf].vf_if_handle, | ||
2482 | &adapter->vf_cfg[vf].vf_pmac_id, | ||
2483 | vf + 1); | ||
2484 | if (status) | ||
2485 | dev_err(&adapter->pdev->dev, | ||
2486 | "Mac address add failed for VF %d\n", vf); | ||
2487 | else | ||
2488 | memcpy(adapter->vf_cfg[vf].vf_mac_addr, mac, ETH_ALEN); | ||
2489 | |||
2490 | mac[5] += 1; | ||
2491 | } | ||
2492 | return status; | ||
2493 | } | ||
2494 | |||
2495 | static inline void be_vf_eth_addr_rem(struct be_adapter *adapter) | ||
2496 | { | ||
2497 | u32 vf; | ||
2498 | |||
2499 | for (vf = 0; vf < num_vfs; vf++) { | ||
2500 | if (adapter->vf_cfg[vf].vf_pmac_id != BE_INVALID_PMAC_ID) | ||
2501 | be_cmd_pmac_del(adapter, | ||
2502 | adapter->vf_cfg[vf].vf_if_handle, | ||
2503 | adapter->vf_cfg[vf].vf_pmac_id, vf + 1); | ||
2504 | } | ||
2505 | } | ||
2506 | |||
2507 | static int be_setup(struct be_adapter *adapter) | ||
2508 | { | ||
2509 | struct net_device *netdev = adapter->netdev; | ||
2510 | u32 cap_flags, en_flags, vf = 0; | ||
2511 | int status; | ||
2512 | u8 mac[ETH_ALEN]; | ||
2513 | |||
2514 | be_cmd_req_native_mode(adapter); | ||
2515 | |||
2516 | cap_flags = en_flags = BE_IF_FLAGS_UNTAGGED | | ||
2517 | BE_IF_FLAGS_BROADCAST | | ||
2518 | BE_IF_FLAGS_MULTICAST; | ||
2519 | |||
2520 | if (be_physfn(adapter)) { | ||
2521 | cap_flags |= BE_IF_FLAGS_MCAST_PROMISCUOUS | | ||
2522 | BE_IF_FLAGS_PROMISCUOUS | | ||
2523 | BE_IF_FLAGS_PASS_L3L4_ERRORS; | ||
2524 | en_flags |= BE_IF_FLAGS_PASS_L3L4_ERRORS; | ||
2525 | |||
2526 | if (adapter->function_caps & BE_FUNCTION_CAPS_RSS) { | ||
2527 | cap_flags |= BE_IF_FLAGS_RSS; | ||
2528 | en_flags |= BE_IF_FLAGS_RSS; | ||
2529 | } | ||
2530 | } | ||
2531 | |||
2532 | status = be_cmd_if_create(adapter, cap_flags, en_flags, | ||
2533 | netdev->dev_addr, false/* pmac_invalid */, | ||
2534 | &adapter->if_handle, &adapter->pmac_id, 0); | ||
2535 | if (status != 0) | ||
2536 | goto do_none; | ||
2537 | |||
2538 | if (be_physfn(adapter)) { | ||
2539 | if (adapter->sriov_enabled) { | ||
2540 | while (vf < num_vfs) { | ||
2541 | cap_flags = en_flags = BE_IF_FLAGS_UNTAGGED | | ||
2542 | BE_IF_FLAGS_BROADCAST; | ||
2543 | status = be_cmd_if_create(adapter, cap_flags, | ||
2544 | en_flags, mac, true, | ||
2545 | &adapter->vf_cfg[vf].vf_if_handle, | ||
2546 | NULL, vf+1); | ||
2547 | if (status) { | ||
2548 | dev_err(&adapter->pdev->dev, | ||
2549 | "Interface Create failed for VF %d\n", | ||
2550 | vf); | ||
2551 | goto if_destroy; | ||
2552 | } | ||
2553 | adapter->vf_cfg[vf].vf_pmac_id = | ||
2554 | BE_INVALID_PMAC_ID; | ||
2555 | vf++; | ||
2556 | } | ||
2557 | } | ||
2558 | } else { | ||
2559 | status = be_cmd_mac_addr_query(adapter, mac, | ||
2560 | MAC_ADDRESS_TYPE_NETWORK, false, adapter->if_handle); | ||
2561 | if (!status) { | ||
2562 | memcpy(adapter->netdev->dev_addr, mac, ETH_ALEN); | ||
2563 | memcpy(adapter->netdev->perm_addr, mac, ETH_ALEN); | ||
2564 | } | ||
2565 | } | ||
2566 | |||
2567 | status = be_tx_queues_create(adapter); | ||
2568 | if (status != 0) | ||
2569 | goto if_destroy; | ||
2570 | |||
2571 | status = be_rx_queues_create(adapter); | ||
2572 | if (status != 0) | ||
2573 | goto tx_qs_destroy; | ||
2574 | |||
2575 | /* Allow all priorities by default. A GRP5 evt may modify this */ | ||
2576 | adapter->vlan_prio_bmap = 0xff; | ||
2577 | |||
2578 | status = be_mcc_queues_create(adapter); | ||
2579 | if (status != 0) | ||
2580 | goto rx_qs_destroy; | ||
2581 | |||
2582 | adapter->link_speed = -1; | ||
2583 | |||
2584 | return 0; | ||
2585 | |||
2586 | rx_qs_destroy: | ||
2587 | be_rx_queues_destroy(adapter); | ||
2588 | tx_qs_destroy: | ||
2589 | be_tx_queues_destroy(adapter); | ||
2590 | if_destroy: | ||
2591 | if (be_physfn(adapter) && adapter->sriov_enabled) | ||
2592 | for (vf = 0; vf < num_vfs; vf++) | ||
2593 | if (adapter->vf_cfg[vf].vf_if_handle) | ||
2594 | be_cmd_if_destroy(adapter, | ||
2595 | adapter->vf_cfg[vf].vf_if_handle, | ||
2596 | vf + 1); | ||
2597 | be_cmd_if_destroy(adapter, adapter->if_handle, 0); | ||
2598 | do_none: | ||
2599 | return status; | ||
2600 | } | ||
2601 | |||
2602 | static int be_clear(struct be_adapter *adapter) | ||
2603 | { | ||
2604 | int vf; | ||
2605 | |||
2606 | if (be_physfn(adapter) && adapter->sriov_enabled) | ||
2607 | be_vf_eth_addr_rem(adapter); | ||
2608 | |||
2609 | be_mcc_queues_destroy(adapter); | ||
2610 | be_rx_queues_destroy(adapter); | ||
2611 | be_tx_queues_destroy(adapter); | ||
2612 | adapter->eq_next_idx = 0; | ||
2613 | |||
2614 | if (be_physfn(adapter) && adapter->sriov_enabled) | ||
2615 | for (vf = 0; vf < num_vfs; vf++) | ||
2616 | if (adapter->vf_cfg[vf].vf_if_handle) | ||
2617 | be_cmd_if_destroy(adapter, | ||
2618 | adapter->vf_cfg[vf].vf_if_handle, | ||
2619 | vf + 1); | ||
2620 | |||
2621 | be_cmd_if_destroy(adapter, adapter->if_handle, 0); | ||
2622 | |||
2623 | adapter->be3_native = 0; | ||
2624 | |||
2625 | /* tell fw we're done with firing cmds */ | ||
2626 | be_cmd_fw_clean(adapter); | ||
2627 | return 0; | ||
2628 | } | ||
2629 | |||
2630 | |||
2631 | #define FW_FILE_HDR_SIGN "ServerEngines Corp. " | ||
2632 | static bool be_flash_redboot(struct be_adapter *adapter, | ||
2633 | const u8 *p, u32 img_start, int image_size, | ||
2634 | int hdr_size) | ||
2635 | { | ||
2636 | u32 crc_offset; | ||
2637 | u8 flashed_crc[4]; | ||
2638 | int status; | ||
2639 | |||
2640 | crc_offset = hdr_size + img_start + image_size - 4; | ||
2641 | |||
2642 | p += crc_offset; | ||
2643 | |||
2644 | status = be_cmd_get_flash_crc(adapter, flashed_crc, | ||
2645 | (image_size - 4)); | ||
2646 | if (status) { | ||
2647 | dev_err(&adapter->pdev->dev, | ||
2648 | "could not get crc from flash, not flashing redboot\n"); | ||
2649 | return false; | ||
2650 | } | ||
2651 | |||
2652 | /*update redboot only if crc does not match*/ | ||
2653 | if (!memcmp(flashed_crc, p, 4)) | ||
2654 | return false; | ||
2655 | else | ||
2656 | return true; | ||
2657 | } | ||
2658 | |||
2659 | static int be_flash_data(struct be_adapter *adapter, | ||
2660 | const struct firmware *fw, | ||
2661 | struct be_dma_mem *flash_cmd, int num_of_images) | ||
2662 | |||
2663 | { | ||
2664 | int status = 0, i, filehdr_size = 0; | ||
2665 | u32 total_bytes = 0, flash_op; | ||
2666 | int num_bytes; | ||
2667 | const u8 *p = fw->data; | ||
2668 | struct be_cmd_write_flashrom *req = flash_cmd->va; | ||
2669 | const struct flash_comp *pflashcomp; | ||
2670 | int num_comp; | ||
2671 | |||
2672 | static const struct flash_comp gen3_flash_types[9] = { | ||
2673 | { FLASH_iSCSI_PRIMARY_IMAGE_START_g3, IMG_TYPE_ISCSI_ACTIVE, | ||
2674 | FLASH_IMAGE_MAX_SIZE_g3}, | ||
2675 | { FLASH_REDBOOT_START_g3, IMG_TYPE_REDBOOT, | ||
2676 | FLASH_REDBOOT_IMAGE_MAX_SIZE_g3}, | ||
2677 | { FLASH_iSCSI_BIOS_START_g3, IMG_TYPE_BIOS, | ||
2678 | FLASH_BIOS_IMAGE_MAX_SIZE_g3}, | ||
2679 | { FLASH_PXE_BIOS_START_g3, IMG_TYPE_PXE_BIOS, | ||
2680 | FLASH_BIOS_IMAGE_MAX_SIZE_g3}, | ||
2681 | { FLASH_FCoE_BIOS_START_g3, IMG_TYPE_FCOE_BIOS, | ||
2682 | FLASH_BIOS_IMAGE_MAX_SIZE_g3}, | ||
2683 | { FLASH_iSCSI_BACKUP_IMAGE_START_g3, IMG_TYPE_ISCSI_BACKUP, | ||
2684 | FLASH_IMAGE_MAX_SIZE_g3}, | ||
2685 | { FLASH_FCoE_PRIMARY_IMAGE_START_g3, IMG_TYPE_FCOE_FW_ACTIVE, | ||
2686 | FLASH_IMAGE_MAX_SIZE_g3}, | ||
2687 | { FLASH_FCoE_BACKUP_IMAGE_START_g3, IMG_TYPE_FCOE_FW_BACKUP, | ||
2688 | FLASH_IMAGE_MAX_SIZE_g3}, | ||
2689 | { FLASH_NCSI_START_g3, IMG_TYPE_NCSI_FW, | ||
2690 | FLASH_NCSI_IMAGE_MAX_SIZE_g3} | ||
2691 | }; | ||
2692 | static const struct flash_comp gen2_flash_types[8] = { | ||
2693 | { FLASH_iSCSI_PRIMARY_IMAGE_START_g2, IMG_TYPE_ISCSI_ACTIVE, | ||
2694 | FLASH_IMAGE_MAX_SIZE_g2}, | ||
2695 | { FLASH_REDBOOT_START_g2, IMG_TYPE_REDBOOT, | ||
2696 | FLASH_REDBOOT_IMAGE_MAX_SIZE_g2}, | ||
2697 | { FLASH_iSCSI_BIOS_START_g2, IMG_TYPE_BIOS, | ||
2698 | FLASH_BIOS_IMAGE_MAX_SIZE_g2}, | ||
2699 | { FLASH_PXE_BIOS_START_g2, IMG_TYPE_PXE_BIOS, | ||
2700 | FLASH_BIOS_IMAGE_MAX_SIZE_g2}, | ||
2701 | { FLASH_FCoE_BIOS_START_g2, IMG_TYPE_FCOE_BIOS, | ||
2702 | FLASH_BIOS_IMAGE_MAX_SIZE_g2}, | ||
2703 | { FLASH_iSCSI_BACKUP_IMAGE_START_g2, IMG_TYPE_ISCSI_BACKUP, | ||
2704 | FLASH_IMAGE_MAX_SIZE_g2}, | ||
2705 | { FLASH_FCoE_PRIMARY_IMAGE_START_g2, IMG_TYPE_FCOE_FW_ACTIVE, | ||
2706 | FLASH_IMAGE_MAX_SIZE_g2}, | ||
2707 | { FLASH_FCoE_BACKUP_IMAGE_START_g2, IMG_TYPE_FCOE_FW_BACKUP, | ||
2708 | FLASH_IMAGE_MAX_SIZE_g2} | ||
2709 | }; | ||
2710 | |||
2711 | if (adapter->generation == BE_GEN3) { | ||
2712 | pflashcomp = gen3_flash_types; | ||
2713 | filehdr_size = sizeof(struct flash_file_hdr_g3); | ||
2714 | num_comp = ARRAY_SIZE(gen3_flash_types); | ||
2715 | } else { | ||
2716 | pflashcomp = gen2_flash_types; | ||
2717 | filehdr_size = sizeof(struct flash_file_hdr_g2); | ||
2718 | num_comp = ARRAY_SIZE(gen2_flash_types); | ||
2719 | } | ||
2720 | for (i = 0; i < num_comp; i++) { | ||
2721 | if ((pflashcomp[i].optype == IMG_TYPE_NCSI_FW) && | ||
2722 | memcmp(adapter->fw_ver, "3.102.148.0", 11) < 0) | ||
2723 | continue; | ||
2724 | if ((pflashcomp[i].optype == IMG_TYPE_REDBOOT) && | ||
2725 | (!be_flash_redboot(adapter, fw->data, | ||
2726 | pflashcomp[i].offset, pflashcomp[i].size, filehdr_size + | ||
2727 | (num_of_images * sizeof(struct image_hdr))))) | ||
2728 | continue; | ||
2729 | p = fw->data; | ||
2730 | p += filehdr_size + pflashcomp[i].offset | ||
2731 | + (num_of_images * sizeof(struct image_hdr)); | ||
2732 | if (p + pflashcomp[i].size > fw->data + fw->size) | ||
2733 | return -1; | ||
2734 | total_bytes = pflashcomp[i].size; | ||
2735 | while (total_bytes) { | ||
2736 | if (total_bytes > 32*1024) | ||
2737 | num_bytes = 32*1024; | ||
2738 | else | ||
2739 | num_bytes = total_bytes; | ||
2740 | total_bytes -= num_bytes; | ||
2741 | |||
2742 | if (!total_bytes) | ||
2743 | flash_op = FLASHROM_OPER_FLASH; | ||
2744 | else | ||
2745 | flash_op = FLASHROM_OPER_SAVE; | ||
2746 | memcpy(req->params.data_buf, p, num_bytes); | ||
2747 | p += num_bytes; | ||
2748 | status = be_cmd_write_flashrom(adapter, flash_cmd, | ||
2749 | pflashcomp[i].optype, flash_op, num_bytes); | ||
2750 | if (status) { | ||
2751 | dev_err(&adapter->pdev->dev, | ||
2752 | "cmd to write to flash rom failed.\n"); | ||
2753 | return -1; | ||
2754 | } | ||
2755 | } | ||
2756 | } | ||
2757 | return 0; | ||
2758 | } | ||
2759 | |||
2760 | static int get_ufigen_type(struct flash_file_hdr_g2 *fhdr) | ||
2761 | { | ||
2762 | if (fhdr == NULL) | ||
2763 | return 0; | ||
2764 | if (fhdr->build[0] == '3') | ||
2765 | return BE_GEN3; | ||
2766 | else if (fhdr->build[0] == '2') | ||
2767 | return BE_GEN2; | ||
2768 | else | ||
2769 | return 0; | ||
2770 | } | ||
2771 | |||
2772 | static int lancer_fw_download(struct be_adapter *adapter, | ||
2773 | const struct firmware *fw) | ||
2774 | { | ||
2775 | #define LANCER_FW_DOWNLOAD_CHUNK (32 * 1024) | ||
2776 | #define LANCER_FW_DOWNLOAD_LOCATION "/prg" | ||
2777 | struct be_dma_mem flash_cmd; | ||
2778 | const u8 *data_ptr = NULL; | ||
2779 | u8 *dest_image_ptr = NULL; | ||
2780 | size_t image_size = 0; | ||
2781 | u32 chunk_size = 0; | ||
2782 | u32 data_written = 0; | ||
2783 | u32 offset = 0; | ||
2784 | int status = 0; | ||
2785 | u8 add_status = 0; | ||
2786 | |||
2787 | if (!IS_ALIGNED(fw->size, sizeof(u32))) { | ||
2788 | dev_err(&adapter->pdev->dev, | ||
2789 | "FW Image not properly aligned. " | ||
2790 | "Length must be 4 byte aligned.\n"); | ||
2791 | status = -EINVAL; | ||
2792 | goto lancer_fw_exit; | ||
2793 | } | ||
2794 | |||
2795 | flash_cmd.size = sizeof(struct lancer_cmd_req_write_object) | ||
2796 | + LANCER_FW_DOWNLOAD_CHUNK; | ||
2797 | flash_cmd.va = dma_alloc_coherent(&adapter->pdev->dev, flash_cmd.size, | ||
2798 | &flash_cmd.dma, GFP_KERNEL); | ||
2799 | if (!flash_cmd.va) { | ||
2800 | status = -ENOMEM; | ||
2801 | dev_err(&adapter->pdev->dev, | ||
2802 | "Memory allocation failure while flashing\n"); | ||
2803 | goto lancer_fw_exit; | ||
2804 | } | ||
2805 | |||
2806 | dest_image_ptr = flash_cmd.va + | ||
2807 | sizeof(struct lancer_cmd_req_write_object); | ||
2808 | image_size = fw->size; | ||
2809 | data_ptr = fw->data; | ||
2810 | |||
2811 | while (image_size) { | ||
2812 | chunk_size = min_t(u32, image_size, LANCER_FW_DOWNLOAD_CHUNK); | ||
2813 | |||
2814 | /* Copy the image chunk content. */ | ||
2815 | memcpy(dest_image_ptr, data_ptr, chunk_size); | ||
2816 | |||
2817 | status = lancer_cmd_write_object(adapter, &flash_cmd, | ||
2818 | chunk_size, offset, LANCER_FW_DOWNLOAD_LOCATION, | ||
2819 | &data_written, &add_status); | ||
2820 | |||
2821 | if (status) | ||
2822 | break; | ||
2823 | |||
2824 | offset += data_written; | ||
2825 | data_ptr += data_written; | ||
2826 | image_size -= data_written; | ||
2827 | } | ||
2828 | |||
2829 | if (!status) { | ||
2830 | /* Commit the FW written */ | ||
2831 | status = lancer_cmd_write_object(adapter, &flash_cmd, | ||
2832 | 0, offset, LANCER_FW_DOWNLOAD_LOCATION, | ||
2833 | &data_written, &add_status); | ||
2834 | } | ||
2835 | |||
2836 | dma_free_coherent(&adapter->pdev->dev, flash_cmd.size, flash_cmd.va, | ||
2837 | flash_cmd.dma); | ||
2838 | if (status) { | ||
2839 | dev_err(&adapter->pdev->dev, | ||
2840 | "Firmware load error. " | ||
2841 | "Status code: 0x%x Additional Status: 0x%x\n", | ||
2842 | status, add_status); | ||
2843 | goto lancer_fw_exit; | ||
2844 | } | ||
2845 | |||
2846 | dev_info(&adapter->pdev->dev, "Firmware flashed successfully\n"); | ||
2847 | lancer_fw_exit: | ||
2848 | return status; | ||
2849 | } | ||
2850 | |||
2851 | static int be_fw_download(struct be_adapter *adapter, const struct firmware* fw) | ||
2852 | { | ||
2853 | struct flash_file_hdr_g2 *fhdr; | ||
2854 | struct flash_file_hdr_g3 *fhdr3; | ||
2855 | struct image_hdr *img_hdr_ptr = NULL; | ||
2856 | struct be_dma_mem flash_cmd; | ||
2857 | const u8 *p; | ||
2858 | int status = 0, i = 0, num_imgs = 0; | ||
2859 | |||
2860 | p = fw->data; | ||
2861 | fhdr = (struct flash_file_hdr_g2 *) p; | ||
2862 | |||
2863 | flash_cmd.size = sizeof(struct be_cmd_write_flashrom) + 32*1024; | ||
2864 | flash_cmd.va = dma_alloc_coherent(&adapter->pdev->dev, flash_cmd.size, | ||
2865 | &flash_cmd.dma, GFP_KERNEL); | ||
2866 | if (!flash_cmd.va) { | ||
2867 | status = -ENOMEM; | ||
2868 | dev_err(&adapter->pdev->dev, | ||
2869 | "Memory allocation failure while flashing\n"); | ||
2870 | goto be_fw_exit; | ||
2871 | } | ||
2872 | |||
2873 | if ((adapter->generation == BE_GEN3) && | ||
2874 | (get_ufigen_type(fhdr) == BE_GEN3)) { | ||
2875 | fhdr3 = (struct flash_file_hdr_g3 *) fw->data; | ||
2876 | num_imgs = le32_to_cpu(fhdr3->num_imgs); | ||
2877 | for (i = 0; i < num_imgs; i++) { | ||
2878 | img_hdr_ptr = (struct image_hdr *) (fw->data + | ||
2879 | (sizeof(struct flash_file_hdr_g3) + | ||
2880 | i * sizeof(struct image_hdr))); | ||
2881 | if (le32_to_cpu(img_hdr_ptr->imageid) == 1) | ||
2882 | status = be_flash_data(adapter, fw, &flash_cmd, | ||
2883 | num_imgs); | ||
2884 | } | ||
2885 | } else if ((adapter->generation == BE_GEN2) && | ||
2886 | (get_ufigen_type(fhdr) == BE_GEN2)) { | ||
2887 | status = be_flash_data(adapter, fw, &flash_cmd, 0); | ||
2888 | } else { | ||
2889 | dev_err(&adapter->pdev->dev, | ||
2890 | "UFI and Interface are not compatible for flashing\n"); | ||
2891 | status = -1; | ||
2892 | } | ||
2893 | |||
2894 | dma_free_coherent(&adapter->pdev->dev, flash_cmd.size, flash_cmd.va, | ||
2895 | flash_cmd.dma); | ||
2896 | if (status) { | ||
2897 | dev_err(&adapter->pdev->dev, "Firmware load error\n"); | ||
2898 | goto be_fw_exit; | ||
2899 | } | ||
2900 | |||
2901 | dev_info(&adapter->pdev->dev, "Firmware flashed successfully\n"); | ||
2902 | |||
2903 | be_fw_exit: | ||
2904 | return status; | ||
2905 | } | ||
2906 | |||
2907 | int be_load_fw(struct be_adapter *adapter, u8 *fw_file) | ||
2908 | { | ||
2909 | const struct firmware *fw; | ||
2910 | int status; | ||
2911 | |||
2912 | if (!netif_running(adapter->netdev)) { | ||
2913 | dev_err(&adapter->pdev->dev, | ||
2914 | "Firmware load not allowed (interface is down)\n"); | ||
2915 | return -1; | ||
2916 | } | ||
2917 | |||
2918 | status = request_firmware(&fw, fw_file, &adapter->pdev->dev); | ||
2919 | if (status) | ||
2920 | goto fw_exit; | ||
2921 | |||
2922 | dev_info(&adapter->pdev->dev, "Flashing firmware file %s\n", fw_file); | ||
2923 | |||
2924 | if (lancer_chip(adapter)) | ||
2925 | status = lancer_fw_download(adapter, fw); | ||
2926 | else | ||
2927 | status = be_fw_download(adapter, fw); | ||
2928 | |||
2929 | fw_exit: | ||
2930 | release_firmware(fw); | ||
2931 | return status; | ||
2932 | } | ||
2933 | |||
2934 | static struct net_device_ops be_netdev_ops = { | ||
2935 | .ndo_open = be_open, | ||
2936 | .ndo_stop = be_close, | ||
2937 | .ndo_start_xmit = be_xmit, | ||
2938 | .ndo_set_rx_mode = be_set_multicast_list, | ||
2939 | .ndo_set_mac_address = be_mac_addr_set, | ||
2940 | .ndo_change_mtu = be_change_mtu, | ||
2941 | .ndo_validate_addr = eth_validate_addr, | ||
2942 | .ndo_vlan_rx_add_vid = be_vlan_add_vid, | ||
2943 | .ndo_vlan_rx_kill_vid = be_vlan_rem_vid, | ||
2944 | .ndo_set_vf_mac = be_set_vf_mac, | ||
2945 | .ndo_set_vf_vlan = be_set_vf_vlan, | ||
2946 | .ndo_set_vf_tx_rate = be_set_vf_tx_rate, | ||
2947 | .ndo_get_vf_config = be_get_vf_config | ||
2948 | }; | ||
2949 | |||
2950 | static void be_netdev_init(struct net_device *netdev) | ||
2951 | { | ||
2952 | struct be_adapter *adapter = netdev_priv(netdev); | ||
2953 | struct be_rx_obj *rxo; | ||
2954 | int i; | ||
2955 | |||
2956 | netdev->hw_features |= NETIF_F_SG | NETIF_F_TSO | NETIF_F_TSO6 | | ||
2957 | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | NETIF_F_RXCSUM | | ||
2958 | NETIF_F_HW_VLAN_TX; | ||
2959 | if (be_multi_rxq(adapter)) | ||
2960 | netdev->hw_features |= NETIF_F_RXHASH; | ||
2961 | |||
2962 | netdev->features |= netdev->hw_features | | ||
2963 | NETIF_F_HW_VLAN_RX | NETIF_F_HW_VLAN_FILTER; | ||
2964 | |||
2965 | netdev->vlan_features |= NETIF_F_SG | NETIF_F_TSO | NETIF_F_TSO6 | | ||
2966 | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM; | ||
2967 | |||
2968 | netdev->flags |= IFF_MULTICAST; | ||
2969 | |||
2970 | /* Default settings for Rx and Tx flow control */ | ||
2971 | adapter->rx_fc = true; | ||
2972 | adapter->tx_fc = true; | ||
2973 | |||
2974 | netif_set_gso_max_size(netdev, 65535); | ||
2975 | |||
2976 | BE_SET_NETDEV_OPS(netdev, &be_netdev_ops); | ||
2977 | |||
2978 | SET_ETHTOOL_OPS(netdev, &be_ethtool_ops); | ||
2979 | |||
2980 | for_all_rx_queues(adapter, rxo, i) | ||
2981 | netif_napi_add(netdev, &rxo->rx_eq.napi, be_poll_rx, | ||
2982 | BE_NAPI_WEIGHT); | ||
2983 | |||
2984 | netif_napi_add(netdev, &adapter->tx_eq.napi, be_poll_tx_mcc, | ||
2985 | BE_NAPI_WEIGHT); | ||
2986 | } | ||
2987 | |||
2988 | static void be_unmap_pci_bars(struct be_adapter *adapter) | ||
2989 | { | ||
2990 | if (adapter->csr) | ||
2991 | iounmap(adapter->csr); | ||
2992 | if (adapter->db) | ||
2993 | iounmap(adapter->db); | ||
2994 | if (adapter->pcicfg && be_physfn(adapter)) | ||
2995 | iounmap(adapter->pcicfg); | ||
2996 | } | ||
2997 | |||
2998 | static int be_map_pci_bars(struct be_adapter *adapter) | ||
2999 | { | ||
3000 | u8 __iomem *addr; | ||
3001 | int pcicfg_reg, db_reg; | ||
3002 | |||
3003 | if (lancer_chip(adapter)) { | ||
3004 | addr = ioremap_nocache(pci_resource_start(adapter->pdev, 0), | ||
3005 | pci_resource_len(adapter->pdev, 0)); | ||
3006 | if (addr == NULL) | ||
3007 | return -ENOMEM; | ||
3008 | adapter->db = addr; | ||
3009 | return 0; | ||
3010 | } | ||
3011 | |||
3012 | if (be_physfn(adapter)) { | ||
3013 | addr = ioremap_nocache(pci_resource_start(adapter->pdev, 2), | ||
3014 | pci_resource_len(adapter->pdev, 2)); | ||
3015 | if (addr == NULL) | ||
3016 | return -ENOMEM; | ||
3017 | adapter->csr = addr; | ||
3018 | } | ||
3019 | |||
3020 | if (adapter->generation == BE_GEN2) { | ||
3021 | pcicfg_reg = 1; | ||
3022 | db_reg = 4; | ||
3023 | } else { | ||
3024 | pcicfg_reg = 0; | ||
3025 | if (be_physfn(adapter)) | ||
3026 | db_reg = 4; | ||
3027 | else | ||
3028 | db_reg = 0; | ||
3029 | } | ||
3030 | addr = ioremap_nocache(pci_resource_start(adapter->pdev, db_reg), | ||
3031 | pci_resource_len(adapter->pdev, db_reg)); | ||
3032 | if (addr == NULL) | ||
3033 | goto pci_map_err; | ||
3034 | adapter->db = addr; | ||
3035 | |||
3036 | if (be_physfn(adapter)) { | ||
3037 | addr = ioremap_nocache( | ||
3038 | pci_resource_start(adapter->pdev, pcicfg_reg), | ||
3039 | pci_resource_len(adapter->pdev, pcicfg_reg)); | ||
3040 | if (addr == NULL) | ||
3041 | goto pci_map_err; | ||
3042 | adapter->pcicfg = addr; | ||
3043 | } else | ||
3044 | adapter->pcicfg = adapter->db + SRIOV_VF_PCICFG_OFFSET; | ||
3045 | |||
3046 | return 0; | ||
3047 | pci_map_err: | ||
3048 | be_unmap_pci_bars(adapter); | ||
3049 | return -ENOMEM; | ||
3050 | } | ||
3051 | |||
3052 | |||
3053 | static void be_ctrl_cleanup(struct be_adapter *adapter) | ||
3054 | { | ||
3055 | struct be_dma_mem *mem = &adapter->mbox_mem_alloced; | ||
3056 | |||
3057 | be_unmap_pci_bars(adapter); | ||
3058 | |||
3059 | if (mem->va) | ||
3060 | dma_free_coherent(&adapter->pdev->dev, mem->size, mem->va, | ||
3061 | mem->dma); | ||
3062 | |||
3063 | mem = &adapter->mc_cmd_mem; | ||
3064 | if (mem->va) | ||
3065 | dma_free_coherent(&adapter->pdev->dev, mem->size, mem->va, | ||
3066 | mem->dma); | ||
3067 | } | ||
3068 | |||
3069 | static int be_ctrl_init(struct be_adapter *adapter) | ||
3070 | { | ||
3071 | struct be_dma_mem *mbox_mem_alloc = &adapter->mbox_mem_alloced; | ||
3072 | struct be_dma_mem *mbox_mem_align = &adapter->mbox_mem; | ||
3073 | struct be_dma_mem *mc_cmd_mem = &adapter->mc_cmd_mem; | ||
3074 | int status; | ||
3075 | |||
3076 | status = be_map_pci_bars(adapter); | ||
3077 | if (status) | ||
3078 | goto done; | ||
3079 | |||
3080 | mbox_mem_alloc->size = sizeof(struct be_mcc_mailbox) + 16; | ||
3081 | mbox_mem_alloc->va = dma_alloc_coherent(&adapter->pdev->dev, | ||
3082 | mbox_mem_alloc->size, | ||
3083 | &mbox_mem_alloc->dma, | ||
3084 | GFP_KERNEL); | ||
3085 | if (!mbox_mem_alloc->va) { | ||
3086 | status = -ENOMEM; | ||
3087 | goto unmap_pci_bars; | ||
3088 | } | ||
3089 | |||
3090 | mbox_mem_align->size = sizeof(struct be_mcc_mailbox); | ||
3091 | mbox_mem_align->va = PTR_ALIGN(mbox_mem_alloc->va, 16); | ||
3092 | mbox_mem_align->dma = PTR_ALIGN(mbox_mem_alloc->dma, 16); | ||
3093 | memset(mbox_mem_align->va, 0, sizeof(struct be_mcc_mailbox)); | ||
3094 | |||
3095 | mc_cmd_mem->size = sizeof(struct be_cmd_req_mcast_mac_config); | ||
3096 | mc_cmd_mem->va = dma_alloc_coherent(&adapter->pdev->dev, | ||
3097 | mc_cmd_mem->size, &mc_cmd_mem->dma, | ||
3098 | GFP_KERNEL); | ||
3099 | if (mc_cmd_mem->va == NULL) { | ||
3100 | status = -ENOMEM; | ||
3101 | goto free_mbox; | ||
3102 | } | ||
3103 | memset(mc_cmd_mem->va, 0, mc_cmd_mem->size); | ||
3104 | |||
3105 | mutex_init(&adapter->mbox_lock); | ||
3106 | spin_lock_init(&adapter->mcc_lock); | ||
3107 | spin_lock_init(&adapter->mcc_cq_lock); | ||
3108 | |||
3109 | init_completion(&adapter->flash_compl); | ||
3110 | pci_save_state(adapter->pdev); | ||
3111 | return 0; | ||
3112 | |||
3113 | free_mbox: | ||
3114 | dma_free_coherent(&adapter->pdev->dev, mbox_mem_alloc->size, | ||
3115 | mbox_mem_alloc->va, mbox_mem_alloc->dma); | ||
3116 | |||
3117 | unmap_pci_bars: | ||
3118 | be_unmap_pci_bars(adapter); | ||
3119 | |||
3120 | done: | ||
3121 | return status; | ||
3122 | } | ||
3123 | |||
3124 | static void be_stats_cleanup(struct be_adapter *adapter) | ||
3125 | { | ||
3126 | struct be_dma_mem *cmd = &adapter->stats_cmd; | ||
3127 | |||
3128 | if (cmd->va) | ||
3129 | dma_free_coherent(&adapter->pdev->dev, cmd->size, | ||
3130 | cmd->va, cmd->dma); | ||
3131 | } | ||
3132 | |||
3133 | static int be_stats_init(struct be_adapter *adapter) | ||
3134 | { | ||
3135 | struct be_dma_mem *cmd = &adapter->stats_cmd; | ||
3136 | |||
3137 | if (adapter->generation == BE_GEN2) { | ||
3138 | cmd->size = sizeof(struct be_cmd_req_get_stats_v0); | ||
3139 | } else { | ||
3140 | if (lancer_chip(adapter)) | ||
3141 | cmd->size = sizeof(struct lancer_cmd_req_pport_stats); | ||
3142 | else | ||
3143 | cmd->size = sizeof(struct be_cmd_req_get_stats_v1); | ||
3144 | } | ||
3145 | cmd->va = dma_alloc_coherent(&adapter->pdev->dev, cmd->size, &cmd->dma, | ||
3146 | GFP_KERNEL); | ||
3147 | if (cmd->va == NULL) | ||
3148 | return -1; | ||
3149 | memset(cmd->va, 0, cmd->size); | ||
3150 | return 0; | ||
3151 | } | ||
3152 | |||
3153 | static void __devexit be_remove(struct pci_dev *pdev) | ||
3154 | { | ||
3155 | struct be_adapter *adapter = pci_get_drvdata(pdev); | ||
3156 | |||
3157 | if (!adapter) | ||
3158 | return; | ||
3159 | |||
3160 | cancel_delayed_work_sync(&adapter->work); | ||
3161 | |||
3162 | unregister_netdev(adapter->netdev); | ||
3163 | |||
3164 | be_clear(adapter); | ||
3165 | |||
3166 | be_stats_cleanup(adapter); | ||
3167 | |||
3168 | be_ctrl_cleanup(adapter); | ||
3169 | |||
3170 | kfree(adapter->vf_cfg); | ||
3171 | be_sriov_disable(adapter); | ||
3172 | |||
3173 | be_msix_disable(adapter); | ||
3174 | |||
3175 | pci_set_drvdata(pdev, NULL); | ||
3176 | pci_release_regions(pdev); | ||
3177 | pci_disable_device(pdev); | ||
3178 | |||
3179 | free_netdev(adapter->netdev); | ||
3180 | } | ||
3181 | |||
3182 | static int be_get_config(struct be_adapter *adapter) | ||
3183 | { | ||
3184 | int status; | ||
3185 | u8 mac[ETH_ALEN]; | ||
3186 | |||
3187 | status = be_cmd_get_fw_ver(adapter, adapter->fw_ver); | ||
3188 | if (status) | ||
3189 | return status; | ||
3190 | |||
3191 | status = be_cmd_query_fw_cfg(adapter, &adapter->port_num, | ||
3192 | &adapter->function_mode, &adapter->function_caps); | ||
3193 | if (status) | ||
3194 | return status; | ||
3195 | |||
3196 | memset(mac, 0, ETH_ALEN); | ||
3197 | |||
3198 | /* A default permanent address is given to each VF for Lancer*/ | ||
3199 | if (be_physfn(adapter) || lancer_chip(adapter)) { | ||
3200 | status = be_cmd_mac_addr_query(adapter, mac, | ||
3201 | MAC_ADDRESS_TYPE_NETWORK, true /*permanent */, 0); | ||
3202 | |||
3203 | if (status) | ||
3204 | return status; | ||
3205 | |||
3206 | if (!is_valid_ether_addr(mac)) | ||
3207 | return -EADDRNOTAVAIL; | ||
3208 | |||
3209 | memcpy(adapter->netdev->dev_addr, mac, ETH_ALEN); | ||
3210 | memcpy(adapter->netdev->perm_addr, mac, ETH_ALEN); | ||
3211 | } | ||
3212 | |||
3213 | if (adapter->function_mode & 0x400) | ||
3214 | adapter->max_vlans = BE_NUM_VLANS_SUPPORTED/4; | ||
3215 | else | ||
3216 | adapter->max_vlans = BE_NUM_VLANS_SUPPORTED; | ||
3217 | |||
3218 | status = be_cmd_get_cntl_attributes(adapter); | ||
3219 | if (status) | ||
3220 | return status; | ||
3221 | |||
3222 | if ((num_vfs && adapter->sriov_enabled) || | ||
3223 | (adapter->function_mode & 0x400) || | ||
3224 | lancer_chip(adapter) || !be_physfn(adapter)) { | ||
3225 | adapter->num_tx_qs = 1; | ||
3226 | netif_set_real_num_tx_queues(adapter->netdev, | ||
3227 | adapter->num_tx_qs); | ||
3228 | } else { | ||
3229 | adapter->num_tx_qs = MAX_TX_QS; | ||
3230 | } | ||
3231 | |||
3232 | return 0; | ||
3233 | } | ||
3234 | |||
3235 | static int be_dev_family_check(struct be_adapter *adapter) | ||
3236 | { | ||
3237 | struct pci_dev *pdev = adapter->pdev; | ||
3238 | u32 sli_intf = 0, if_type; | ||
3239 | |||
3240 | switch (pdev->device) { | ||
3241 | case BE_DEVICE_ID1: | ||
3242 | case OC_DEVICE_ID1: | ||
3243 | adapter->generation = BE_GEN2; | ||
3244 | break; | ||
3245 | case BE_DEVICE_ID2: | ||
3246 | case OC_DEVICE_ID2: | ||
3247 | adapter->generation = BE_GEN3; | ||
3248 | break; | ||
3249 | case OC_DEVICE_ID3: | ||
3250 | case OC_DEVICE_ID4: | ||
3251 | pci_read_config_dword(pdev, SLI_INTF_REG_OFFSET, &sli_intf); | ||
3252 | if_type = (sli_intf & SLI_INTF_IF_TYPE_MASK) >> | ||
3253 | SLI_INTF_IF_TYPE_SHIFT; | ||
3254 | |||
3255 | if (((sli_intf & SLI_INTF_VALID_MASK) != SLI_INTF_VALID) || | ||
3256 | if_type != 0x02) { | ||
3257 | dev_err(&pdev->dev, "SLI_INTF reg val is not valid\n"); | ||
3258 | return -EINVAL; | ||
3259 | } | ||
3260 | adapter->sli_family = ((sli_intf & SLI_INTF_FAMILY_MASK) >> | ||
3261 | SLI_INTF_FAMILY_SHIFT); | ||
3262 | adapter->generation = BE_GEN3; | ||
3263 | break; | ||
3264 | default: | ||
3265 | adapter->generation = 0; | ||
3266 | } | ||
3267 | return 0; | ||
3268 | } | ||
3269 | |||
3270 | static int lancer_wait_ready(struct be_adapter *adapter) | ||
3271 | { | ||
3272 | #define SLIPORT_READY_TIMEOUT 500 | ||
3273 | u32 sliport_status; | ||
3274 | int status = 0, i; | ||
3275 | |||
3276 | for (i = 0; i < SLIPORT_READY_TIMEOUT; i++) { | ||
3277 | sliport_status = ioread32(adapter->db + SLIPORT_STATUS_OFFSET); | ||
3278 | if (sliport_status & SLIPORT_STATUS_RDY_MASK) | ||
3279 | break; | ||
3280 | |||
3281 | msleep(20); | ||
3282 | } | ||
3283 | |||
3284 | if (i == SLIPORT_READY_TIMEOUT) | ||
3285 | status = -1; | ||
3286 | |||
3287 | return status; | ||
3288 | } | ||
3289 | |||
3290 | static int lancer_test_and_set_rdy_state(struct be_adapter *adapter) | ||
3291 | { | ||
3292 | int status; | ||
3293 | u32 sliport_status, err, reset_needed; | ||
3294 | status = lancer_wait_ready(adapter); | ||
3295 | if (!status) { | ||
3296 | sliport_status = ioread32(adapter->db + SLIPORT_STATUS_OFFSET); | ||
3297 | err = sliport_status & SLIPORT_STATUS_ERR_MASK; | ||
3298 | reset_needed = sliport_status & SLIPORT_STATUS_RN_MASK; | ||
3299 | if (err && reset_needed) { | ||
3300 | iowrite32(SLI_PORT_CONTROL_IP_MASK, | ||
3301 | adapter->db + SLIPORT_CONTROL_OFFSET); | ||
3302 | |||
3303 | /* check adapter has corrected the error */ | ||
3304 | status = lancer_wait_ready(adapter); | ||
3305 | sliport_status = ioread32(adapter->db + | ||
3306 | SLIPORT_STATUS_OFFSET); | ||
3307 | sliport_status &= (SLIPORT_STATUS_ERR_MASK | | ||
3308 | SLIPORT_STATUS_RN_MASK); | ||
3309 | if (status || sliport_status) | ||
3310 | status = -1; | ||
3311 | } else if (err || reset_needed) { | ||
3312 | status = -1; | ||
3313 | } | ||
3314 | } | ||
3315 | return status; | ||
3316 | } | ||
3317 | |||
3318 | static int __devinit be_probe(struct pci_dev *pdev, | ||
3319 | const struct pci_device_id *pdev_id) | ||
3320 | { | ||
3321 | int status = 0; | ||
3322 | struct be_adapter *adapter; | ||
3323 | struct net_device *netdev; | ||
3324 | |||
3325 | status = pci_enable_device(pdev); | ||
3326 | if (status) | ||
3327 | goto do_none; | ||
3328 | |||
3329 | status = pci_request_regions(pdev, DRV_NAME); | ||
3330 | if (status) | ||
3331 | goto disable_dev; | ||
3332 | pci_set_master(pdev); | ||
3333 | |||
3334 | netdev = alloc_etherdev_mq(sizeof(struct be_adapter), MAX_TX_QS); | ||
3335 | if (netdev == NULL) { | ||
3336 | status = -ENOMEM; | ||
3337 | goto rel_reg; | ||
3338 | } | ||
3339 | adapter = netdev_priv(netdev); | ||
3340 | adapter->pdev = pdev; | ||
3341 | pci_set_drvdata(pdev, adapter); | ||
3342 | |||
3343 | status = be_dev_family_check(adapter); | ||
3344 | if (status) | ||
3345 | goto free_netdev; | ||
3346 | |||
3347 | adapter->netdev = netdev; | ||
3348 | SET_NETDEV_DEV(netdev, &pdev->dev); | ||
3349 | |||
3350 | status = dma_set_mask(&pdev->dev, DMA_BIT_MASK(64)); | ||
3351 | if (!status) { | ||
3352 | netdev->features |= NETIF_F_HIGHDMA; | ||
3353 | } else { | ||
3354 | status = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32)); | ||
3355 | if (status) { | ||
3356 | dev_err(&pdev->dev, "Could not set PCI DMA Mask\n"); | ||
3357 | goto free_netdev; | ||
3358 | } | ||
3359 | } | ||
3360 | |||
3361 | be_sriov_enable(adapter); | ||
3362 | if (adapter->sriov_enabled) { | ||
3363 | adapter->vf_cfg = kcalloc(num_vfs, | ||
3364 | sizeof(struct be_vf_cfg), GFP_KERNEL); | ||
3365 | |||
3366 | if (!adapter->vf_cfg) | ||
3367 | goto free_netdev; | ||
3368 | } | ||
3369 | |||
3370 | status = be_ctrl_init(adapter); | ||
3371 | if (status) | ||
3372 | goto free_vf_cfg; | ||
3373 | |||
3374 | if (lancer_chip(adapter)) { | ||
3375 | status = lancer_test_and_set_rdy_state(adapter); | ||
3376 | if (status) { | ||
3377 | dev_err(&pdev->dev, "Adapter in non recoverable error\n"); | ||
3378 | goto ctrl_clean; | ||
3379 | } | ||
3380 | } | ||
3381 | |||
3382 | /* sync up with fw's ready state */ | ||
3383 | if (be_physfn(adapter)) { | ||
3384 | status = be_cmd_POST(adapter); | ||
3385 | if (status) | ||
3386 | goto ctrl_clean; | ||
3387 | } | ||
3388 | |||
3389 | /* tell fw we're ready to fire cmds */ | ||
3390 | status = be_cmd_fw_init(adapter); | ||
3391 | if (status) | ||
3392 | goto ctrl_clean; | ||
3393 | |||
3394 | status = be_cmd_reset_function(adapter); | ||
3395 | if (status) | ||
3396 | goto ctrl_clean; | ||
3397 | |||
3398 | status = be_stats_init(adapter); | ||
3399 | if (status) | ||
3400 | goto ctrl_clean; | ||
3401 | |||
3402 | status = be_get_config(adapter); | ||
3403 | if (status) | ||
3404 | goto stats_clean; | ||
3405 | |||
3406 | /* The INTR bit may be set in the card when probed by a kdump kernel | ||
3407 | * after a crash. | ||
3408 | */ | ||
3409 | if (!lancer_chip(adapter)) | ||
3410 | be_intr_set(adapter, false); | ||
3411 | |||
3412 | be_msix_enable(adapter); | ||
3413 | |||
3414 | INIT_DELAYED_WORK(&adapter->work, be_worker); | ||
3415 | |||
3416 | status = be_setup(adapter); | ||
3417 | if (status) | ||
3418 | goto msix_disable; | ||
3419 | |||
3420 | be_netdev_init(netdev); | ||
3421 | status = register_netdev(netdev); | ||
3422 | if (status != 0) | ||
3423 | goto unsetup; | ||
3424 | netif_carrier_off(netdev); | ||
3425 | |||
3426 | if (be_physfn(adapter) && adapter->sriov_enabled) { | ||
3427 | u8 mac_speed; | ||
3428 | bool link_up; | ||
3429 | u16 vf, lnk_speed; | ||
3430 | |||
3431 | if (!lancer_chip(adapter)) { | ||
3432 | status = be_vf_eth_addr_config(adapter); | ||
3433 | if (status) | ||
3434 | goto unreg_netdev; | ||
3435 | } | ||
3436 | |||
3437 | for (vf = 0; vf < num_vfs; vf++) { | ||
3438 | status = be_cmd_link_status_query(adapter, &link_up, | ||
3439 | &mac_speed, &lnk_speed, vf + 1); | ||
3440 | if (!status) | ||
3441 | adapter->vf_cfg[vf].vf_tx_rate = lnk_speed * 10; | ||
3442 | else | ||
3443 | goto unreg_netdev; | ||
3444 | } | ||
3445 | } | ||
3446 | |||
3447 | dev_info(&pdev->dev, "%s port %d\n", nic_name(pdev), adapter->port_num); | ||
3448 | |||
3449 | schedule_delayed_work(&adapter->work, msecs_to_jiffies(100)); | ||
3450 | return 0; | ||
3451 | |||
3452 | unreg_netdev: | ||
3453 | unregister_netdev(netdev); | ||
3454 | unsetup: | ||
3455 | be_clear(adapter); | ||
3456 | msix_disable: | ||
3457 | be_msix_disable(adapter); | ||
3458 | stats_clean: | ||
3459 | be_stats_cleanup(adapter); | ||
3460 | ctrl_clean: | ||
3461 | be_ctrl_cleanup(adapter); | ||
3462 | free_vf_cfg: | ||
3463 | kfree(adapter->vf_cfg); | ||
3464 | free_netdev: | ||
3465 | be_sriov_disable(adapter); | ||
3466 | free_netdev(netdev); | ||
3467 | pci_set_drvdata(pdev, NULL); | ||
3468 | rel_reg: | ||
3469 | pci_release_regions(pdev); | ||
3470 | disable_dev: | ||
3471 | pci_disable_device(pdev); | ||
3472 | do_none: | ||
3473 | dev_err(&pdev->dev, "%s initialization failed\n", nic_name(pdev)); | ||
3474 | return status; | ||
3475 | } | ||
3476 | |||
3477 | static int be_suspend(struct pci_dev *pdev, pm_message_t state) | ||
3478 | { | ||
3479 | struct be_adapter *adapter = pci_get_drvdata(pdev); | ||
3480 | struct net_device *netdev = adapter->netdev; | ||
3481 | |||
3482 | cancel_delayed_work_sync(&adapter->work); | ||
3483 | if (adapter->wol) | ||
3484 | be_setup_wol(adapter, true); | ||
3485 | |||
3486 | netif_device_detach(netdev); | ||
3487 | if (netif_running(netdev)) { | ||
3488 | rtnl_lock(); | ||
3489 | be_close(netdev); | ||
3490 | rtnl_unlock(); | ||
3491 | } | ||
3492 | be_cmd_get_flow_control(adapter, &adapter->tx_fc, &adapter->rx_fc); | ||
3493 | be_clear(adapter); | ||
3494 | |||
3495 | be_msix_disable(adapter); | ||
3496 | pci_save_state(pdev); | ||
3497 | pci_disable_device(pdev); | ||
3498 | pci_set_power_state(pdev, pci_choose_state(pdev, state)); | ||
3499 | return 0; | ||
3500 | } | ||
3501 | |||
3502 | static int be_resume(struct pci_dev *pdev) | ||
3503 | { | ||
3504 | int status = 0; | ||
3505 | struct be_adapter *adapter = pci_get_drvdata(pdev); | ||
3506 | struct net_device *netdev = adapter->netdev; | ||
3507 | |||
3508 | netif_device_detach(netdev); | ||
3509 | |||
3510 | status = pci_enable_device(pdev); | ||
3511 | if (status) | ||
3512 | return status; | ||
3513 | |||
3514 | pci_set_power_state(pdev, 0); | ||
3515 | pci_restore_state(pdev); | ||
3516 | |||
3517 | be_msix_enable(adapter); | ||
3518 | /* tell fw we're ready to fire cmds */ | ||
3519 | status = be_cmd_fw_init(adapter); | ||
3520 | if (status) | ||
3521 | return status; | ||
3522 | |||
3523 | be_setup(adapter); | ||
3524 | if (netif_running(netdev)) { | ||
3525 | rtnl_lock(); | ||
3526 | be_open(netdev); | ||
3527 | rtnl_unlock(); | ||
3528 | } | ||
3529 | netif_device_attach(netdev); | ||
3530 | |||
3531 | if (adapter->wol) | ||
3532 | be_setup_wol(adapter, false); | ||
3533 | |||
3534 | schedule_delayed_work(&adapter->work, msecs_to_jiffies(100)); | ||
3535 | return 0; | ||
3536 | } | ||
3537 | |||
3538 | /* | ||
3539 | * An FLR will stop BE from DMAing any data. | ||
3540 | */ | ||
3541 | static void be_shutdown(struct pci_dev *pdev) | ||
3542 | { | ||
3543 | struct be_adapter *adapter = pci_get_drvdata(pdev); | ||
3544 | |||
3545 | if (!adapter) | ||
3546 | return; | ||
3547 | |||
3548 | cancel_delayed_work_sync(&adapter->work); | ||
3549 | |||
3550 | netif_device_detach(adapter->netdev); | ||
3551 | |||
3552 | if (adapter->wol) | ||
3553 | be_setup_wol(adapter, true); | ||
3554 | |||
3555 | be_cmd_reset_function(adapter); | ||
3556 | |||
3557 | pci_disable_device(pdev); | ||
3558 | } | ||
3559 | |||
3560 | static pci_ers_result_t be_eeh_err_detected(struct pci_dev *pdev, | ||
3561 | pci_channel_state_t state) | ||
3562 | { | ||
3563 | struct be_adapter *adapter = pci_get_drvdata(pdev); | ||
3564 | struct net_device *netdev = adapter->netdev; | ||
3565 | |||
3566 | dev_err(&adapter->pdev->dev, "EEH error detected\n"); | ||
3567 | |||
3568 | adapter->eeh_err = true; | ||
3569 | |||
3570 | netif_device_detach(netdev); | ||
3571 | |||
3572 | if (netif_running(netdev)) { | ||
3573 | rtnl_lock(); | ||
3574 | be_close(netdev); | ||
3575 | rtnl_unlock(); | ||
3576 | } | ||
3577 | be_clear(adapter); | ||
3578 | |||
3579 | if (state == pci_channel_io_perm_failure) | ||
3580 | return PCI_ERS_RESULT_DISCONNECT; | ||
3581 | |||
3582 | pci_disable_device(pdev); | ||
3583 | |||
3584 | return PCI_ERS_RESULT_NEED_RESET; | ||
3585 | } | ||
3586 | |||
3587 | static pci_ers_result_t be_eeh_reset(struct pci_dev *pdev) | ||
3588 | { | ||
3589 | struct be_adapter *adapter = pci_get_drvdata(pdev); | ||
3590 | int status; | ||
3591 | |||
3592 | dev_info(&adapter->pdev->dev, "EEH reset\n"); | ||
3593 | adapter->eeh_err = false; | ||
3594 | |||
3595 | status = pci_enable_device(pdev); | ||
3596 | if (status) | ||
3597 | return PCI_ERS_RESULT_DISCONNECT; | ||
3598 | |||
3599 | pci_set_master(pdev); | ||
3600 | pci_set_power_state(pdev, 0); | ||
3601 | pci_restore_state(pdev); | ||
3602 | |||
3603 | /* Check if card is ok and fw is ready */ | ||
3604 | status = be_cmd_POST(adapter); | ||
3605 | if (status) | ||
3606 | return PCI_ERS_RESULT_DISCONNECT; | ||
3607 | |||
3608 | return PCI_ERS_RESULT_RECOVERED; | ||
3609 | } | ||
3610 | |||
3611 | static void be_eeh_resume(struct pci_dev *pdev) | ||
3612 | { | ||
3613 | int status = 0; | ||
3614 | struct be_adapter *adapter = pci_get_drvdata(pdev); | ||
3615 | struct net_device *netdev = adapter->netdev; | ||
3616 | |||
3617 | dev_info(&adapter->pdev->dev, "EEH resume\n"); | ||
3618 | |||
3619 | pci_save_state(pdev); | ||
3620 | |||
3621 | /* tell fw we're ready to fire cmds */ | ||
3622 | status = be_cmd_fw_init(adapter); | ||
3623 | if (status) | ||
3624 | goto err; | ||
3625 | |||
3626 | status = be_setup(adapter); | ||
3627 | if (status) | ||
3628 | goto err; | ||
3629 | |||
3630 | if (netif_running(netdev)) { | ||
3631 | status = be_open(netdev); | ||
3632 | if (status) | ||
3633 | goto err; | ||
3634 | } | ||
3635 | netif_device_attach(netdev); | ||
3636 | return; | ||
3637 | err: | ||
3638 | dev_err(&adapter->pdev->dev, "EEH resume failed\n"); | ||
3639 | } | ||
3640 | |||
3641 | static struct pci_error_handlers be_eeh_handlers = { | ||
3642 | .error_detected = be_eeh_err_detected, | ||
3643 | .slot_reset = be_eeh_reset, | ||
3644 | .resume = be_eeh_resume, | ||
3645 | }; | ||
3646 | |||
3647 | static struct pci_driver be_driver = { | ||
3648 | .name = DRV_NAME, | ||
3649 | .id_table = be_dev_ids, | ||
3650 | .probe = be_probe, | ||
3651 | .remove = be_remove, | ||
3652 | .suspend = be_suspend, | ||
3653 | .resume = be_resume, | ||
3654 | .shutdown = be_shutdown, | ||
3655 | .err_handler = &be_eeh_handlers | ||
3656 | }; | ||
3657 | |||
3658 | static int __init be_init_module(void) | ||
3659 | { | ||
3660 | if (rx_frag_size != 8192 && rx_frag_size != 4096 && | ||
3661 | rx_frag_size != 2048) { | ||
3662 | printk(KERN_WARNING DRV_NAME | ||
3663 | " : Module param rx_frag_size must be 2048/4096/8192." | ||
3664 | " Using 2048\n"); | ||
3665 | rx_frag_size = 2048; | ||
3666 | } | ||
3667 | |||
3668 | return pci_register_driver(&be_driver); | ||
3669 | } | ||
3670 | module_init(be_init_module); | ||
3671 | |||
3672 | static void __exit be_exit_module(void) | ||
3673 | { | ||
3674 | pci_unregister_driver(&be_driver); | ||
3675 | } | ||
3676 | module_exit(be_exit_module); | ||