2 * Copyright (C) 2005 - 2011 Emulex
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.
10 * Contact Information:
11 * linux-drivers@emulex.com
15 * Costa Mesa, CA 92626
18 #include <linux/prefetch.h>
21 #include <asm/div64.h>
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");
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");
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
)},
45 MODULE_DEVICE_TABLE(pci
, be_dev_ids
);
46 /* UE Status Low CSR */
47 static char *ue_status_low_desc
[] = {
81 /* UE Status High CSR */
82 static char *ue_status_hi_desc
[] = {
117 static void be_queue_free(struct be_adapter
*adapter
, struct be_queue_info
*q
)
119 struct be_dma_mem
*mem
= &q
->dma_mem
;
121 dma_free_coherent(&adapter
->pdev
->dev
, mem
->size
, mem
->va
,
125 static int be_queue_alloc(struct be_adapter
*adapter
, struct be_queue_info
*q
,
126 u16 len
, u16 entry_size
)
128 struct be_dma_mem
*mem
= &q
->dma_mem
;
130 memset(q
, 0, sizeof(*q
));
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
,
138 memset(mem
->va
, 0, mem
->size
);
142 static void be_intr_set(struct be_adapter
*adapter
, bool enable
)
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
;
148 if (adapter
->eeh_err
)
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
;
158 iowrite32(reg
, addr
);
161 static void be_rxq_notify(struct be_adapter
*adapter
, u16 qid
, u16 posted
)
164 val
|= qid
& DB_RQ_RING_ID_MASK
;
165 val
|= posted
<< DB_RQ_NUM_POSTED_SHIFT
;
168 iowrite32(val
, adapter
->db
+ DB_RQ_OFFSET
);
171 static void be_txq_notify(struct be_adapter
*adapter
, u16 qid
, u16 posted
)
174 val
|= qid
& DB_TXULP_RING_ID_MASK
;
175 val
|= (posted
& DB_TXULP_NUM_POSTED_MASK
) << DB_TXULP_NUM_POSTED_SHIFT
;
178 iowrite32(val
, adapter
->db
+ DB_TXULP1_OFFSET
);
181 static void be_eq_notify(struct be_adapter
*adapter
, u16 qid
,
182 bool arm
, bool clear_int
, u16 num_popped
)
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
);
189 if (adapter
->eeh_err
)
193 val
|= 1 << DB_EQ_REARM_SHIFT
;
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
);
201 void be_cq_notify(struct be_adapter
*adapter
, u16 qid
, bool arm
, u16 num_popped
)
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
);
208 if (adapter
->eeh_err
)
212 val
|= 1 << DB_CQ_REARM_SHIFT
;
213 val
|= num_popped
<< DB_CQ_NUM_POPPED_SHIFT
;
214 iowrite32(val
, adapter
->db
+ DB_CQ_OFFSET
);
217 static int be_mac_addr_set(struct net_device
*netdev
, void *p
)
219 struct be_adapter
*adapter
= netdev_priv(netdev
);
220 struct sockaddr
*addr
= p
;
223 if (!is_valid_ether_addr(addr
->sa_data
))
224 return -EADDRNOTAVAIL
;
226 /* MAC addr configuration will be done in hardware for VFs
227 * by their corresponding PFs. Just copy to netdev addr here
229 if (!be_physfn(adapter
))
232 status
= be_cmd_pmac_del(adapter
, adapter
->if_handle
,
233 adapter
->pmac_id
, 0);
237 status
= be_cmd_pmac_add(adapter
, (u8
*)addr
->sa_data
,
238 adapter
->if_handle
, &adapter
->pmac_id
, 0);
241 memcpy(netdev
->dev_addr
, addr
->sa_data
, netdev
->addr_len
);
246 static void populate_be2_stats(struct be_adapter
*adapter
)
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
);
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
;
279 drvs
->tx_pauseframes
= port_stats
->tx_pauseframes
;
280 drvs
->tx_controlframes
= port_stats
->tx_controlframes
;
282 if (adapter
->port_num
)
283 drvs
->jabber_events
=
284 rxf_stats
->port1_jabber_events
;
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
;
301 static void populate_be3_stats(struct be_adapter
*adapter
)
303 struct be_drv_stats
*drvs
= &adapter
->drv_stats
;
304 struct be_pmem_stats
*pmem_sts
= be_pmem_stats_from_cmd(adapter
);
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
);
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
;
352 static void populate_lancer_stats(struct be_adapter
*adapter
)
355 struct be_drv_stats
*drvs
= &adapter
->drv_stats
;
356 struct lancer_cmd_pport_stats
*pport_stats
= pport_stats_from_cmd
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
);
409 void be_parse_stats(struct be_adapter
*adapter
)
411 if (adapter
->generation
== BE_GEN3
) {
412 if (lancer_chip(adapter
))
413 populate_lancer_stats(adapter
);
415 populate_be3_stats(adapter
);
417 populate_be2_stats(adapter
);
421 void netdev_stats_update(struct be_adapter
*adapter
)
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;
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 /* no space in linux buffers: best possible approximation */
435 if (adapter
->generation
== BE_GEN3
) {
436 if (!(lancer_chip(adapter
))) {
437 struct be_erx_stats_v1
*erx
=
438 be_erx_stats_from_cmd(adapter
);
439 drops
+= erx
->rx_drops_no_fragments
[rxo
->q
.id
];
442 struct be_erx_stats_v0
*erx
=
443 be_erx_stats_from_cmd(adapter
);
444 drops
+= erx
->rx_drops_no_fragments
[rxo
->q
.id
];
447 dev_stats
->rx_packets
= pkts
;
448 dev_stats
->rx_bytes
= bytes
;
449 dev_stats
->multicast
= mcast
;
450 dev_stats
->rx_dropped
= drops
;
453 for_all_tx_queues(adapter
, txo
, i
) {
454 pkts
+= tx_stats(txo
)->be_tx_pkts
;
455 bytes
+= tx_stats(txo
)->be_tx_bytes
;
457 dev_stats
->tx_packets
= pkts
;
458 dev_stats
->tx_bytes
= bytes
;
460 /* bad pkts received */
461 dev_stats
->rx_errors
= drvs
->rx_crc_errors
+
462 drvs
->rx_alignment_symbol_errors
+
463 drvs
->rx_in_range_errors
+
464 drvs
->rx_out_range_errors
+
465 drvs
->rx_frame_too_long
+
466 drvs
->rx_dropped_too_small
+
467 drvs
->rx_dropped_too_short
+
468 drvs
->rx_dropped_header_too_small
+
469 drvs
->rx_dropped_tcp_length
+
470 drvs
->rx_dropped_runt
+
471 drvs
->rx_tcp_checksum_errs
+
472 drvs
->rx_ip_checksum_errs
+
473 drvs
->rx_udp_checksum_errs
;
475 /* detailed rx errors */
476 dev_stats
->rx_length_errors
= drvs
->rx_in_range_errors
+
477 drvs
->rx_out_range_errors
+
478 drvs
->rx_frame_too_long
;
480 dev_stats
->rx_crc_errors
= drvs
->rx_crc_errors
;
482 /* frame alignment errors */
483 dev_stats
->rx_frame_errors
= drvs
->rx_alignment_symbol_errors
;
485 /* receiver fifo overrun */
486 /* drops_no_pbuf is no per i/f, it's per BE card */
487 dev_stats
->rx_fifo_errors
= drvs
->rxpp_fifo_overflow_drop
+
488 drvs
->rx_input_fifo_overflow_drop
+
489 drvs
->rx_drops_no_pbuf
;
492 void be_link_status_update(struct be_adapter
*adapter
, bool link_up
)
494 struct net_device
*netdev
= adapter
->netdev
;
496 /* If link came up or went down */
497 if (adapter
->link_up
!= link_up
) {
498 adapter
->link_speed
= -1;
500 netif_carrier_on(netdev
);
501 printk(KERN_INFO
"%s: Link up\n", netdev
->name
);
503 netif_carrier_off(netdev
);
504 printk(KERN_INFO
"%s: Link down\n", netdev
->name
);
506 adapter
->link_up
= link_up
;
510 /* Update the EQ delay n BE based on the RX frags consumed / sec */
511 static void be_rx_eqd_update(struct be_adapter
*adapter
, struct be_rx_obj
*rxo
)
513 struct be_eq_obj
*rx_eq
= &rxo
->rx_eq
;
514 struct be_rx_stats
*stats
= &rxo
->stats
;
518 if (!rx_eq
->enable_aic
)
522 if (time_before(now
, stats
->rx_fps_jiffies
)) {
523 stats
->rx_fps_jiffies
= now
;
527 /* Update once a second */
528 if ((now
- stats
->rx_fps_jiffies
) < HZ
)
531 stats
->rx_fps
= (stats
->rx_frags
- stats
->prev_rx_frags
) /
532 ((now
- stats
->rx_fps_jiffies
) / HZ
);
534 stats
->rx_fps_jiffies
= now
;
535 stats
->prev_rx_frags
= stats
->rx_frags
;
536 eqd
= stats
->rx_fps
/ 110000;
538 if (eqd
> rx_eq
->max_eqd
)
539 eqd
= rx_eq
->max_eqd
;
540 if (eqd
< rx_eq
->min_eqd
)
541 eqd
= rx_eq
->min_eqd
;
544 if (eqd
!= rx_eq
->cur_eqd
)
545 be_cmd_modify_eqd(adapter
, rx_eq
->q
.id
, eqd
);
547 rx_eq
->cur_eqd
= eqd
;
550 static u32
be_calc_rate(u64 bytes
, unsigned long ticks
)
554 do_div(rate
, ticks
/ HZ
);
555 rate
<<= 3; /* bytes/sec -> bits/sec */
556 do_div(rate
, 1000000ul); /* MB/Sec */
561 static void be_tx_rate_update(struct be_tx_obj
*txo
)
563 struct be_tx_stats
*stats
= tx_stats(txo
);
566 /* Wrapped around? */
567 if (time_before(now
, stats
->be_tx_jiffies
)) {
568 stats
->be_tx_jiffies
= now
;
572 /* Update tx rate once in two seconds */
573 if ((now
- stats
->be_tx_jiffies
) > 2 * HZ
) {
574 stats
->be_tx_rate
= be_calc_rate(stats
->be_tx_bytes
575 - stats
->be_tx_bytes_prev
,
576 now
- stats
->be_tx_jiffies
);
577 stats
->be_tx_jiffies
= now
;
578 stats
->be_tx_bytes_prev
= stats
->be_tx_bytes
;
582 static void be_tx_stats_update(struct be_tx_obj
*txo
,
583 u32 wrb_cnt
, u32 copied
, u32 gso_segs
, bool stopped
)
585 struct be_tx_stats
*stats
= tx_stats(txo
);
588 stats
->be_tx_wrbs
+= wrb_cnt
;
589 stats
->be_tx_bytes
+= copied
;
590 stats
->be_tx_pkts
+= (gso_segs
? gso_segs
: 1);
592 stats
->be_tx_stops
++;
595 /* Determine number of WRB entries needed to xmit data in an skb */
596 static u32
wrb_cnt_for_skb(struct be_adapter
*adapter
, struct sk_buff
*skb
,
599 int cnt
= (skb
->len
> skb
->data_len
);
601 cnt
+= skb_shinfo(skb
)->nr_frags
;
603 /* to account for hdr wrb */
605 if (lancer_chip(adapter
) || !(cnt
& 1)) {
608 /* add a dummy to make it an even num */
612 BUG_ON(cnt
> BE_MAX_TX_FRAG_COUNT
);
616 static inline void wrb_fill(struct be_eth_wrb
*wrb
, u64 addr
, int len
)
618 wrb
->frag_pa_hi
= upper_32_bits(addr
);
619 wrb
->frag_pa_lo
= addr
& 0xFFFFFFFF;
620 wrb
->frag_len
= len
& ETH_WRB_FRAG_LEN_MASK
;
623 static void wrb_fill_hdr(struct be_adapter
*adapter
, struct be_eth_hdr_wrb
*hdr
,
624 struct sk_buff
*skb
, u32 wrb_cnt
, u32 len
)
629 memset(hdr
, 0, sizeof(*hdr
));
631 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, crc
, hdr
, 1);
633 if (skb_is_gso(skb
)) {
634 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, lso
, hdr
, 1);
635 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, lso_mss
,
636 hdr
, skb_shinfo(skb
)->gso_size
);
637 if (skb_is_gso_v6(skb
) && !lancer_chip(adapter
))
638 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, lso6
, hdr
, 1);
639 if (lancer_chip(adapter
) && adapter
->sli_family
==
640 LANCER_A0_SLI_FAMILY
) {
641 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, ipcs
, hdr
, 1);
643 AMAP_SET_BITS(struct amap_eth_hdr_wrb
,
645 else if (is_udp_pkt(skb
))
646 AMAP_SET_BITS(struct amap_eth_hdr_wrb
,
649 } else if (skb
->ip_summed
== CHECKSUM_PARTIAL
) {
651 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, tcpcs
, hdr
, 1);
652 else if (is_udp_pkt(skb
))
653 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, udpcs
, hdr
, 1);
656 if (adapter
->vlan_grp
&& vlan_tx_tag_present(skb
)) {
657 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, vlan
, hdr
, 1);
658 vlan_tag
= vlan_tx_tag_get(skb
);
659 vlan_prio
= (vlan_tag
& VLAN_PRIO_MASK
) >> VLAN_PRIO_SHIFT
;
660 /* If vlan priority provided by OS is NOT in available bmap */
661 if (!(adapter
->vlan_prio_bmap
& (1 << vlan_prio
)))
662 vlan_tag
= (vlan_tag
& ~VLAN_PRIO_MASK
) |
663 adapter
->recommended_prio
;
664 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, vlan_tag
, hdr
, vlan_tag
);
667 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, event
, hdr
, 1);
668 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, complete
, hdr
, 1);
669 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, num_wrb
, hdr
, wrb_cnt
);
670 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, len
, hdr
, len
);
673 static void unmap_tx_frag(struct device
*dev
, struct be_eth_wrb
*wrb
,
678 be_dws_le_to_cpu(wrb
, sizeof(*wrb
));
680 dma
= (u64
)wrb
->frag_pa_hi
<< 32 | (u64
)wrb
->frag_pa_lo
;
683 dma_unmap_single(dev
, dma
, wrb
->frag_len
,
686 dma_unmap_page(dev
, dma
, wrb
->frag_len
, DMA_TO_DEVICE
);
690 static int make_tx_wrbs(struct be_adapter
*adapter
, struct be_queue_info
*txq
,
691 struct sk_buff
*skb
, u32 wrb_cnt
, bool dummy_wrb
)
695 struct device
*dev
= &adapter
->pdev
->dev
;
696 struct sk_buff
*first_skb
= skb
;
697 struct be_eth_wrb
*wrb
;
698 struct be_eth_hdr_wrb
*hdr
;
699 bool map_single
= false;
702 hdr
= queue_head_node(txq
);
704 map_head
= txq
->head
;
706 if (skb
->len
> skb
->data_len
) {
707 int len
= skb_headlen(skb
);
708 busaddr
= dma_map_single(dev
, skb
->data
, len
, DMA_TO_DEVICE
);
709 if (dma_mapping_error(dev
, busaddr
))
712 wrb
= queue_head_node(txq
);
713 wrb_fill(wrb
, busaddr
, len
);
714 be_dws_cpu_to_le(wrb
, sizeof(*wrb
));
719 for (i
= 0; i
< skb_shinfo(skb
)->nr_frags
; i
++) {
720 struct skb_frag_struct
*frag
=
721 &skb_shinfo(skb
)->frags
[i
];
722 busaddr
= dma_map_page(dev
, frag
->page
, frag
->page_offset
,
723 frag
->size
, DMA_TO_DEVICE
);
724 if (dma_mapping_error(dev
, busaddr
))
726 wrb
= queue_head_node(txq
);
727 wrb_fill(wrb
, busaddr
, frag
->size
);
728 be_dws_cpu_to_le(wrb
, sizeof(*wrb
));
730 copied
+= frag
->size
;
734 wrb
= queue_head_node(txq
);
736 be_dws_cpu_to_le(wrb
, sizeof(*wrb
));
740 wrb_fill_hdr(adapter
, hdr
, first_skb
, wrb_cnt
, copied
);
741 be_dws_cpu_to_le(hdr
, sizeof(*hdr
));
745 txq
->head
= map_head
;
747 wrb
= queue_head_node(txq
);
748 unmap_tx_frag(dev
, wrb
, map_single
);
750 copied
-= wrb
->frag_len
;
756 static netdev_tx_t
be_xmit(struct sk_buff
*skb
,
757 struct net_device
*netdev
)
759 struct be_adapter
*adapter
= netdev_priv(netdev
);
760 struct be_tx_obj
*txo
= &adapter
->tx_obj
[skb_get_queue_mapping(skb
)];
761 struct be_queue_info
*txq
= &txo
->q
;
762 u32 wrb_cnt
= 0, copied
= 0;
763 u32 start
= txq
->head
;
764 bool dummy_wrb
, stopped
= false;
766 wrb_cnt
= wrb_cnt_for_skb(adapter
, skb
, &dummy_wrb
);
768 copied
= make_tx_wrbs(adapter
, txq
, skb
, wrb_cnt
, dummy_wrb
);
770 /* record the sent skb in the sent_skb table */
771 BUG_ON(txo
->sent_skb_list
[start
]);
772 txo
->sent_skb_list
[start
] = skb
;
774 /* Ensure txq has space for the next skb; Else stop the queue
775 * *BEFORE* ringing the tx doorbell, so that we serialze the
776 * tx compls of the current transmit which'll wake up the queue
778 atomic_add(wrb_cnt
, &txq
->used
);
779 if ((BE_MAX_TX_FRAG_COUNT
+ atomic_read(&txq
->used
)) >=
781 netif_stop_subqueue(netdev
, skb_get_queue_mapping(skb
));
785 be_txq_notify(adapter
, txq
->id
, wrb_cnt
);
787 be_tx_stats_update(txo
, wrb_cnt
, copied
,
788 skb_shinfo(skb
)->gso_segs
, stopped
);
791 dev_kfree_skb_any(skb
);
796 static int be_change_mtu(struct net_device
*netdev
, int new_mtu
)
798 struct be_adapter
*adapter
= netdev_priv(netdev
);
799 if (new_mtu
< BE_MIN_MTU
||
800 new_mtu
> (BE_MAX_JUMBO_FRAME_SIZE
-
801 (ETH_HLEN
+ ETH_FCS_LEN
))) {
802 dev_info(&adapter
->pdev
->dev
,
803 "MTU must be between %d and %d bytes\n",
805 (BE_MAX_JUMBO_FRAME_SIZE
- (ETH_HLEN
+ ETH_FCS_LEN
)));
808 dev_info(&adapter
->pdev
->dev
, "MTU changed from %d to %d bytes\n",
809 netdev
->mtu
, new_mtu
);
810 netdev
->mtu
= new_mtu
;
815 * A max of 64 (BE_NUM_VLANS_SUPPORTED) vlans can be configured in BE.
816 * If the user configures more, place BE in vlan promiscuous mode.
818 static int be_vid_config(struct be_adapter
*adapter
, bool vf
, u32 vf_num
)
820 u16 vtag
[BE_NUM_VLANS_SUPPORTED
];
826 if_handle
= adapter
->vf_cfg
[vf_num
].vf_if_handle
;
827 vtag
[0] = cpu_to_le16(adapter
->vf_cfg
[vf_num
].vf_vlan_tag
);
828 status
= be_cmd_vlan_config(adapter
, if_handle
, vtag
, 1, 1, 0);
831 if (adapter
->vlans_added
<= adapter
->max_vlans
) {
832 /* Construct VLAN Table to give to HW */
833 for (i
= 0; i
< VLAN_N_VID
; i
++) {
834 if (adapter
->vlan_tag
[i
]) {
835 vtag
[ntags
] = cpu_to_le16(i
);
839 status
= be_cmd_vlan_config(adapter
, adapter
->if_handle
,
842 status
= be_cmd_vlan_config(adapter
, adapter
->if_handle
,
849 static void be_vlan_register(struct net_device
*netdev
, struct vlan_group
*grp
)
851 struct be_adapter
*adapter
= netdev_priv(netdev
);
853 adapter
->vlan_grp
= grp
;
856 static void be_vlan_add_vid(struct net_device
*netdev
, u16 vid
)
858 struct be_adapter
*adapter
= netdev_priv(netdev
);
860 adapter
->vlans_added
++;
861 if (!be_physfn(adapter
))
864 adapter
->vlan_tag
[vid
] = 1;
865 if (adapter
->vlans_added
<= (adapter
->max_vlans
+ 1))
866 be_vid_config(adapter
, false, 0);
869 static void be_vlan_rem_vid(struct net_device
*netdev
, u16 vid
)
871 struct be_adapter
*adapter
= netdev_priv(netdev
);
873 adapter
->vlans_added
--;
874 vlan_group_set_device(adapter
->vlan_grp
, vid
, NULL
);
876 if (!be_physfn(adapter
))
879 adapter
->vlan_tag
[vid
] = 0;
880 if (adapter
->vlans_added
<= adapter
->max_vlans
)
881 be_vid_config(adapter
, false, 0);
884 static void be_set_multicast_list(struct net_device
*netdev
)
886 struct be_adapter
*adapter
= netdev_priv(netdev
);
888 if (netdev
->flags
& IFF_PROMISC
) {
889 be_cmd_promiscuous_config(adapter
, true);
890 adapter
->promiscuous
= true;
894 /* BE was previously in promiscuous mode; disable it */
895 if (adapter
->promiscuous
) {
896 adapter
->promiscuous
= false;
897 be_cmd_promiscuous_config(adapter
, false);
900 /* Enable multicast promisc if num configured exceeds what we support */
901 if (netdev
->flags
& IFF_ALLMULTI
||
902 netdev_mc_count(netdev
) > BE_MAX_MC
) {
903 be_cmd_multicast_set(adapter
, adapter
->if_handle
, NULL
,
904 &adapter
->mc_cmd_mem
);
908 be_cmd_multicast_set(adapter
, adapter
->if_handle
, netdev
,
909 &adapter
->mc_cmd_mem
);
914 static int be_set_vf_mac(struct net_device
*netdev
, int vf
, u8
*mac
)
916 struct be_adapter
*adapter
= netdev_priv(netdev
);
919 if (!adapter
->sriov_enabled
)
922 if (!is_valid_ether_addr(mac
) || (vf
>= num_vfs
))
925 if (adapter
->vf_cfg
[vf
].vf_pmac_id
!= BE_INVALID_PMAC_ID
)
926 status
= be_cmd_pmac_del(adapter
,
927 adapter
->vf_cfg
[vf
].vf_if_handle
,
928 adapter
->vf_cfg
[vf
].vf_pmac_id
, vf
+ 1);
930 status
= be_cmd_pmac_add(adapter
, mac
,
931 adapter
->vf_cfg
[vf
].vf_if_handle
,
932 &adapter
->vf_cfg
[vf
].vf_pmac_id
, vf
+ 1);
935 dev_err(&adapter
->pdev
->dev
, "MAC %pM set on VF %d Failed\n",
938 memcpy(adapter
->vf_cfg
[vf
].vf_mac_addr
, mac
, ETH_ALEN
);
943 static int be_get_vf_config(struct net_device
*netdev
, int vf
,
944 struct ifla_vf_info
*vi
)
946 struct be_adapter
*adapter
= netdev_priv(netdev
);
948 if (!adapter
->sriov_enabled
)
955 vi
->tx_rate
= adapter
->vf_cfg
[vf
].vf_tx_rate
;
956 vi
->vlan
= adapter
->vf_cfg
[vf
].vf_vlan_tag
;
958 memcpy(&vi
->mac
, adapter
->vf_cfg
[vf
].vf_mac_addr
, ETH_ALEN
);
963 static int be_set_vf_vlan(struct net_device
*netdev
,
964 int vf
, u16 vlan
, u8 qos
)
966 struct be_adapter
*adapter
= netdev_priv(netdev
);
969 if (!adapter
->sriov_enabled
)
972 if ((vf
>= num_vfs
) || (vlan
> 4095))
976 adapter
->vf_cfg
[vf
].vf_vlan_tag
= vlan
;
977 adapter
->vlans_added
++;
979 adapter
->vf_cfg
[vf
].vf_vlan_tag
= 0;
980 adapter
->vlans_added
--;
983 status
= be_vid_config(adapter
, true, vf
);
986 dev_info(&adapter
->pdev
->dev
,
987 "VLAN %d config on VF %d failed\n", vlan
, vf
);
991 static int be_set_vf_tx_rate(struct net_device
*netdev
,
994 struct be_adapter
*adapter
= netdev_priv(netdev
);
997 if (!adapter
->sriov_enabled
)
1000 if ((vf
>= num_vfs
) || (rate
< 0))
1006 adapter
->vf_cfg
[vf
].vf_tx_rate
= rate
;
1007 status
= be_cmd_set_qos(adapter
, rate
/ 10, vf
+ 1);
1010 dev_info(&adapter
->pdev
->dev
,
1011 "tx rate %d on VF %d failed\n", rate
, vf
);
1015 static void be_rx_rate_update(struct be_rx_obj
*rxo
)
1017 struct be_rx_stats
*stats
= &rxo
->stats
;
1018 ulong now
= jiffies
;
1020 /* Wrapped around */
1021 if (time_before(now
, stats
->rx_jiffies
)) {
1022 stats
->rx_jiffies
= now
;
1026 /* Update the rate once in two seconds */
1027 if ((now
- stats
->rx_jiffies
) < 2 * HZ
)
1030 stats
->rx_rate
= be_calc_rate(stats
->rx_bytes
- stats
->rx_bytes_prev
,
1031 now
- stats
->rx_jiffies
);
1032 stats
->rx_jiffies
= now
;
1033 stats
->rx_bytes_prev
= stats
->rx_bytes
;
1036 static void be_rx_stats_update(struct be_rx_obj
*rxo
,
1037 struct be_rx_compl_info
*rxcp
)
1039 struct be_rx_stats
*stats
= &rxo
->stats
;
1042 stats
->rx_frags
+= rxcp
->num_rcvd
;
1043 stats
->rx_bytes
+= rxcp
->pkt_size
;
1045 if (rxcp
->pkt_type
== BE_MULTICAST_PACKET
)
1046 stats
->rx_mcast_pkts
++;
1051 static inline bool csum_passed(struct be_rx_compl_info
*rxcp
)
1053 /* L4 checksum is not reliable for non TCP/UDP packets.
1054 * Also ignore ipcksm for ipv6 pkts */
1055 return (rxcp
->tcpf
|| rxcp
->udpf
) && rxcp
->l4_csum
&&
1056 (rxcp
->ip_csum
|| rxcp
->ipv6
);
1059 static struct be_rx_page_info
*
1060 get_rx_page_info(struct be_adapter
*adapter
,
1061 struct be_rx_obj
*rxo
,
1064 struct be_rx_page_info
*rx_page_info
;
1065 struct be_queue_info
*rxq
= &rxo
->q
;
1067 rx_page_info
= &rxo
->page_info_tbl
[frag_idx
];
1068 BUG_ON(!rx_page_info
->page
);
1070 if (rx_page_info
->last_page_user
) {
1071 dma_unmap_page(&adapter
->pdev
->dev
,
1072 dma_unmap_addr(rx_page_info
, bus
),
1073 adapter
->big_page_size
, DMA_FROM_DEVICE
);
1074 rx_page_info
->last_page_user
= false;
1077 atomic_dec(&rxq
->used
);
1078 return rx_page_info
;
1081 /* Throwaway the data in the Rx completion */
1082 static void be_rx_compl_discard(struct be_adapter
*adapter
,
1083 struct be_rx_obj
*rxo
,
1084 struct be_rx_compl_info
*rxcp
)
1086 struct be_queue_info
*rxq
= &rxo
->q
;
1087 struct be_rx_page_info
*page_info
;
1088 u16 i
, num_rcvd
= rxcp
->num_rcvd
;
1090 for (i
= 0; i
< num_rcvd
; i
++) {
1091 page_info
= get_rx_page_info(adapter
, rxo
, rxcp
->rxq_idx
);
1092 put_page(page_info
->page
);
1093 memset(page_info
, 0, sizeof(*page_info
));
1094 index_inc(&rxcp
->rxq_idx
, rxq
->len
);
1099 * skb_fill_rx_data forms a complete skb for an ether frame
1100 * indicated by rxcp.
1102 static void skb_fill_rx_data(struct be_adapter
*adapter
, struct be_rx_obj
*rxo
,
1103 struct sk_buff
*skb
, struct be_rx_compl_info
*rxcp
)
1105 struct be_queue_info
*rxq
= &rxo
->q
;
1106 struct be_rx_page_info
*page_info
;
1108 u16 hdr_len
, curr_frag_len
, remaining
;
1111 page_info
= get_rx_page_info(adapter
, rxo
, rxcp
->rxq_idx
);
1112 start
= page_address(page_info
->page
) + page_info
->page_offset
;
1115 /* Copy data in the first descriptor of this completion */
1116 curr_frag_len
= min(rxcp
->pkt_size
, rx_frag_size
);
1118 /* Copy the header portion into skb_data */
1119 hdr_len
= min(BE_HDR_LEN
, curr_frag_len
);
1120 memcpy(skb
->data
, start
, hdr_len
);
1121 skb
->len
= curr_frag_len
;
1122 if (curr_frag_len
<= BE_HDR_LEN
) { /* tiny packet */
1123 /* Complete packet has now been moved to data */
1124 put_page(page_info
->page
);
1126 skb
->tail
+= curr_frag_len
;
1128 skb_shinfo(skb
)->nr_frags
= 1;
1129 skb_shinfo(skb
)->frags
[0].page
= page_info
->page
;
1130 skb_shinfo(skb
)->frags
[0].page_offset
=
1131 page_info
->page_offset
+ hdr_len
;
1132 skb_shinfo(skb
)->frags
[0].size
= curr_frag_len
- hdr_len
;
1133 skb
->data_len
= curr_frag_len
- hdr_len
;
1134 skb
->tail
+= hdr_len
;
1136 page_info
->page
= NULL
;
1138 if (rxcp
->pkt_size
<= rx_frag_size
) {
1139 BUG_ON(rxcp
->num_rcvd
!= 1);
1143 /* More frags present for this completion */
1144 index_inc(&rxcp
->rxq_idx
, rxq
->len
);
1145 remaining
= rxcp
->pkt_size
- curr_frag_len
;
1146 for (i
= 1, j
= 0; i
< rxcp
->num_rcvd
; i
++) {
1147 page_info
= get_rx_page_info(adapter
, rxo
, rxcp
->rxq_idx
);
1148 curr_frag_len
= min(remaining
, rx_frag_size
);
1150 /* Coalesce all frags from the same physical page in one slot */
1151 if (page_info
->page_offset
== 0) {
1154 skb_shinfo(skb
)->frags
[j
].page
= page_info
->page
;
1155 skb_shinfo(skb
)->frags
[j
].page_offset
=
1156 page_info
->page_offset
;
1157 skb_shinfo(skb
)->frags
[j
].size
= 0;
1158 skb_shinfo(skb
)->nr_frags
++;
1160 put_page(page_info
->page
);
1163 skb_shinfo(skb
)->frags
[j
].size
+= curr_frag_len
;
1164 skb
->len
+= curr_frag_len
;
1165 skb
->data_len
+= curr_frag_len
;
1167 remaining
-= curr_frag_len
;
1168 index_inc(&rxcp
->rxq_idx
, rxq
->len
);
1169 page_info
->page
= NULL
;
1171 BUG_ON(j
> MAX_SKB_FRAGS
);
1174 /* Process the RX completion indicated by rxcp when GRO is disabled */
1175 static void be_rx_compl_process(struct be_adapter
*adapter
,
1176 struct be_rx_obj
*rxo
,
1177 struct be_rx_compl_info
*rxcp
)
1179 struct net_device
*netdev
= adapter
->netdev
;
1180 struct sk_buff
*skb
;
1182 skb
= netdev_alloc_skb_ip_align(netdev
, BE_HDR_LEN
);
1183 if (unlikely(!skb
)) {
1184 if (net_ratelimit())
1185 dev_warn(&adapter
->pdev
->dev
, "skb alloc failed\n");
1186 be_rx_compl_discard(adapter
, rxo
, rxcp
);
1190 skb_fill_rx_data(adapter
, rxo
, skb
, rxcp
);
1192 if (likely((netdev
->features
& NETIF_F_RXCSUM
) && csum_passed(rxcp
)))
1193 skb
->ip_summed
= CHECKSUM_UNNECESSARY
;
1195 skb_checksum_none_assert(skb
);
1197 skb
->truesize
= skb
->len
+ sizeof(struct sk_buff
);
1198 skb
->protocol
= eth_type_trans(skb
, netdev
);
1199 if (adapter
->netdev
->features
& NETIF_F_RXHASH
)
1200 skb
->rxhash
= rxcp
->rss_hash
;
1203 if (unlikely(rxcp
->vlanf
)) {
1204 if (!adapter
->vlan_grp
|| adapter
->vlans_added
== 0) {
1208 vlan_hwaccel_receive_skb(skb
, adapter
->vlan_grp
,
1211 netif_receive_skb(skb
);
1215 /* Process the RX completion indicated by rxcp when GRO is enabled */
1216 static void be_rx_compl_process_gro(struct be_adapter
*adapter
,
1217 struct be_rx_obj
*rxo
,
1218 struct be_rx_compl_info
*rxcp
)
1220 struct be_rx_page_info
*page_info
;
1221 struct sk_buff
*skb
= NULL
;
1222 struct be_queue_info
*rxq
= &rxo
->q
;
1223 struct be_eq_obj
*eq_obj
= &rxo
->rx_eq
;
1224 u16 remaining
, curr_frag_len
;
1227 skb
= napi_get_frags(&eq_obj
->napi
);
1229 be_rx_compl_discard(adapter
, rxo
, rxcp
);
1233 remaining
= rxcp
->pkt_size
;
1234 for (i
= 0, j
= -1; i
< rxcp
->num_rcvd
; i
++) {
1235 page_info
= get_rx_page_info(adapter
, rxo
, rxcp
->rxq_idx
);
1237 curr_frag_len
= min(remaining
, rx_frag_size
);
1239 /* Coalesce all frags from the same physical page in one slot */
1240 if (i
== 0 || page_info
->page_offset
== 0) {
1241 /* First frag or Fresh page */
1243 skb_shinfo(skb
)->frags
[j
].page
= page_info
->page
;
1244 skb_shinfo(skb
)->frags
[j
].page_offset
=
1245 page_info
->page_offset
;
1246 skb_shinfo(skb
)->frags
[j
].size
= 0;
1248 put_page(page_info
->page
);
1250 skb_shinfo(skb
)->frags
[j
].size
+= curr_frag_len
;
1252 remaining
-= curr_frag_len
;
1253 index_inc(&rxcp
->rxq_idx
, rxq
->len
);
1254 memset(page_info
, 0, sizeof(*page_info
));
1256 BUG_ON(j
> MAX_SKB_FRAGS
);
1258 skb_shinfo(skb
)->nr_frags
= j
+ 1;
1259 skb
->len
= rxcp
->pkt_size
;
1260 skb
->data_len
= rxcp
->pkt_size
;
1261 skb
->truesize
+= rxcp
->pkt_size
;
1262 skb
->ip_summed
= CHECKSUM_UNNECESSARY
;
1263 if (adapter
->netdev
->features
& NETIF_F_RXHASH
)
1264 skb
->rxhash
= rxcp
->rss_hash
;
1266 if (likely(!rxcp
->vlanf
))
1267 napi_gro_frags(&eq_obj
->napi
);
1269 vlan_gro_frags(&eq_obj
->napi
, adapter
->vlan_grp
,
1273 static void be_parse_rx_compl_v1(struct be_adapter
*adapter
,
1274 struct be_eth_rx_compl
*compl,
1275 struct be_rx_compl_info
*rxcp
)
1278 AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, pktsize
, compl);
1279 rxcp
->vlanf
= AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, vtp
, compl);
1280 rxcp
->err
= AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, err
, compl);
1281 rxcp
->tcpf
= AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, tcpf
, compl);
1282 rxcp
->udpf
= AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, udpf
, compl);
1284 AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, ipcksm
, compl);
1286 AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, l4_cksm
, compl);
1288 AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, ip_version
, compl);
1290 AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, fragndx
, compl);
1292 AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, numfrags
, compl);
1294 AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, cast_enc
, compl);
1296 AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, rsshash
, rxcp
);
1298 rxcp
->vtm
= AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, vtm
,
1300 rxcp
->vlan_tag
= AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, vlan_tag
,
1305 static void be_parse_rx_compl_v0(struct be_adapter
*adapter
,
1306 struct be_eth_rx_compl
*compl,
1307 struct be_rx_compl_info
*rxcp
)
1310 AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, pktsize
, compl);
1311 rxcp
->vlanf
= AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, vtp
, compl);
1312 rxcp
->err
= AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, err
, compl);
1313 rxcp
->tcpf
= AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, tcpf
, compl);
1314 rxcp
->udpf
= AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, udpf
, compl);
1316 AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, ipcksm
, compl);
1318 AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, l4_cksm
, compl);
1320 AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, ip_version
, compl);
1322 AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, fragndx
, compl);
1324 AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, numfrags
, compl);
1326 AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, cast_enc
, compl);
1328 AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, rsshash
, rxcp
);
1330 rxcp
->vtm
= AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, vtm
,
1332 rxcp
->vlan_tag
= AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, vlan_tag
,
1337 static struct be_rx_compl_info
*be_rx_compl_get(struct be_rx_obj
*rxo
)
1339 struct be_eth_rx_compl
*compl = queue_tail_node(&rxo
->cq
);
1340 struct be_rx_compl_info
*rxcp
= &rxo
->rxcp
;
1341 struct be_adapter
*adapter
= rxo
->adapter
;
1343 /* For checking the valid bit it is Ok to use either definition as the
1344 * valid bit is at the same position in both v0 and v1 Rx compl */
1345 if (compl->dw
[offsetof(struct amap_eth_rx_compl_v1
, valid
) / 32] == 0)
1349 be_dws_le_to_cpu(compl, sizeof(*compl));
1351 if (adapter
->be3_native
)
1352 be_parse_rx_compl_v1(adapter
, compl, rxcp
);
1354 be_parse_rx_compl_v0(adapter
, compl, rxcp
);
1357 /* vlanf could be wrongly set in some cards.
1358 * ignore if vtm is not set */
1359 if ((adapter
->function_mode
& 0x400) && !rxcp
->vtm
)
1362 if (!lancer_chip(adapter
))
1363 rxcp
->vlan_tag
= swab16(rxcp
->vlan_tag
);
1365 if (((adapter
->pvid
& VLAN_VID_MASK
) ==
1366 (rxcp
->vlan_tag
& VLAN_VID_MASK
)) &&
1367 !adapter
->vlan_tag
[rxcp
->vlan_tag
])
1371 /* As the compl has been parsed, reset it; we wont touch it again */
1372 compl->dw
[offsetof(struct amap_eth_rx_compl_v1
, valid
) / 32] = 0;
1374 queue_tail_inc(&rxo
->cq
);
1378 static inline struct page
*be_alloc_pages(u32 size
, gfp_t gfp
)
1380 u32 order
= get_order(size
);
1384 return alloc_pages(gfp
, order
);
1388 * Allocate a page, split it to fragments of size rx_frag_size and post as
1389 * receive buffers to BE
1391 static void be_post_rx_frags(struct be_rx_obj
*rxo
, gfp_t gfp
)
1393 struct be_adapter
*adapter
= rxo
->adapter
;
1394 struct be_rx_page_info
*page_info_tbl
= rxo
->page_info_tbl
;
1395 struct be_rx_page_info
*page_info
= NULL
, *prev_page_info
= NULL
;
1396 struct be_queue_info
*rxq
= &rxo
->q
;
1397 struct page
*pagep
= NULL
;
1398 struct be_eth_rx_d
*rxd
;
1399 u64 page_dmaaddr
= 0, frag_dmaaddr
;
1400 u32 posted
, page_offset
= 0;
1402 page_info
= &rxo
->page_info_tbl
[rxq
->head
];
1403 for (posted
= 0; posted
< MAX_RX_POST
&& !page_info
->page
; posted
++) {
1405 pagep
= be_alloc_pages(adapter
->big_page_size
, gfp
);
1406 if (unlikely(!pagep
)) {
1407 rxo
->stats
.rx_post_fail
++;
1410 page_dmaaddr
= dma_map_page(&adapter
->pdev
->dev
, pagep
,
1411 0, adapter
->big_page_size
,
1413 page_info
->page_offset
= 0;
1416 page_info
->page_offset
= page_offset
+ rx_frag_size
;
1418 page_offset
= page_info
->page_offset
;
1419 page_info
->page
= pagep
;
1420 dma_unmap_addr_set(page_info
, bus
, page_dmaaddr
);
1421 frag_dmaaddr
= page_dmaaddr
+ page_info
->page_offset
;
1423 rxd
= queue_head_node(rxq
);
1424 rxd
->fragpa_lo
= cpu_to_le32(frag_dmaaddr
& 0xFFFFFFFF);
1425 rxd
->fragpa_hi
= cpu_to_le32(upper_32_bits(frag_dmaaddr
));
1427 /* Any space left in the current big page for another frag? */
1428 if ((page_offset
+ rx_frag_size
+ rx_frag_size
) >
1429 adapter
->big_page_size
) {
1431 page_info
->last_page_user
= true;
1434 prev_page_info
= page_info
;
1435 queue_head_inc(rxq
);
1436 page_info
= &page_info_tbl
[rxq
->head
];
1439 prev_page_info
->last_page_user
= true;
1442 atomic_add(posted
, &rxq
->used
);
1443 be_rxq_notify(adapter
, rxq
->id
, posted
);
1444 } else if (atomic_read(&rxq
->used
) == 0) {
1445 /* Let be_worker replenish when memory is available */
1446 rxo
->rx_post_starved
= true;
1450 static struct be_eth_tx_compl
*be_tx_compl_get(struct be_queue_info
*tx_cq
)
1452 struct be_eth_tx_compl
*txcp
= queue_tail_node(tx_cq
);
1454 if (txcp
->dw
[offsetof(struct amap_eth_tx_compl
, valid
) / 32] == 0)
1458 be_dws_le_to_cpu(txcp
, sizeof(*txcp
));
1460 txcp
->dw
[offsetof(struct amap_eth_tx_compl
, valid
) / 32] = 0;
1462 queue_tail_inc(tx_cq
);
1466 static u16
be_tx_compl_process(struct be_adapter
*adapter
,
1467 struct be_tx_obj
*txo
, u16 last_index
)
1469 struct be_queue_info
*txq
= &txo
->q
;
1470 struct be_eth_wrb
*wrb
;
1471 struct sk_buff
**sent_skbs
= txo
->sent_skb_list
;
1472 struct sk_buff
*sent_skb
;
1473 u16 cur_index
, num_wrbs
= 1; /* account for hdr wrb */
1474 bool unmap_skb_hdr
= true;
1476 sent_skb
= sent_skbs
[txq
->tail
];
1478 sent_skbs
[txq
->tail
] = NULL
;
1480 /* skip header wrb */
1481 queue_tail_inc(txq
);
1484 cur_index
= txq
->tail
;
1485 wrb
= queue_tail_node(txq
);
1486 unmap_tx_frag(&adapter
->pdev
->dev
, wrb
,
1487 (unmap_skb_hdr
&& skb_headlen(sent_skb
)));
1488 unmap_skb_hdr
= false;
1491 queue_tail_inc(txq
);
1492 } while (cur_index
!= last_index
);
1494 kfree_skb(sent_skb
);
1498 static inline struct be_eq_entry
*event_get(struct be_eq_obj
*eq_obj
)
1500 struct be_eq_entry
*eqe
= queue_tail_node(&eq_obj
->q
);
1506 eqe
->evt
= le32_to_cpu(eqe
->evt
);
1507 queue_tail_inc(&eq_obj
->q
);
1511 static int event_handle(struct be_adapter
*adapter
,
1512 struct be_eq_obj
*eq_obj
,
1515 struct be_eq_entry
*eqe
;
1518 while ((eqe
= event_get(eq_obj
)) != NULL
) {
1523 /* Deal with any spurious interrupts that come
1529 be_eq_notify(adapter
, eq_obj
->q
.id
, rearm
, true, num
);
1531 napi_schedule(&eq_obj
->napi
);
1536 /* Just read and notify events without processing them.
1537 * Used at the time of destroying event queues */
1538 static void be_eq_clean(struct be_adapter
*adapter
,
1539 struct be_eq_obj
*eq_obj
)
1541 struct be_eq_entry
*eqe
;
1544 while ((eqe
= event_get(eq_obj
)) != NULL
) {
1550 be_eq_notify(adapter
, eq_obj
->q
.id
, false, true, num
);
1553 static void be_rx_q_clean(struct be_adapter
*adapter
, struct be_rx_obj
*rxo
)
1555 struct be_rx_page_info
*page_info
;
1556 struct be_queue_info
*rxq
= &rxo
->q
;
1557 struct be_queue_info
*rx_cq
= &rxo
->cq
;
1558 struct be_rx_compl_info
*rxcp
;
1561 /* First cleanup pending rx completions */
1562 while ((rxcp
= be_rx_compl_get(rxo
)) != NULL
) {
1563 be_rx_compl_discard(adapter
, rxo
, rxcp
);
1564 be_cq_notify(adapter
, rx_cq
->id
, false, 1);
1567 /* Then free posted rx buffer that were not used */
1568 tail
= (rxq
->head
+ rxq
->len
- atomic_read(&rxq
->used
)) % rxq
->len
;
1569 for (; atomic_read(&rxq
->used
) > 0; index_inc(&tail
, rxq
->len
)) {
1570 page_info
= get_rx_page_info(adapter
, rxo
, tail
);
1571 put_page(page_info
->page
);
1572 memset(page_info
, 0, sizeof(*page_info
));
1574 BUG_ON(atomic_read(&rxq
->used
));
1577 static void be_tx_compl_clean(struct be_adapter
*adapter
,
1578 struct be_tx_obj
*txo
)
1580 struct be_queue_info
*tx_cq
= &txo
->cq
;
1581 struct be_queue_info
*txq
= &txo
->q
;
1582 struct be_eth_tx_compl
*txcp
;
1583 u16 end_idx
, cmpl
= 0, timeo
= 0, num_wrbs
= 0;
1584 struct sk_buff
**sent_skbs
= txo
->sent_skb_list
;
1585 struct sk_buff
*sent_skb
;
1588 /* Wait for a max of 200ms for all the tx-completions to arrive. */
1590 while ((txcp
= be_tx_compl_get(tx_cq
))) {
1591 end_idx
= AMAP_GET_BITS(struct amap_eth_tx_compl
,
1593 num_wrbs
+= be_tx_compl_process(adapter
, txo
, end_idx
);
1597 be_cq_notify(adapter
, tx_cq
->id
, false, cmpl
);
1598 atomic_sub(num_wrbs
, &txq
->used
);
1603 if (atomic_read(&txq
->used
) == 0 || ++timeo
> 200)
1609 if (atomic_read(&txq
->used
))
1610 dev_err(&adapter
->pdev
->dev
, "%d pending tx-completions\n",
1611 atomic_read(&txq
->used
));
1613 /* free posted tx for which compls will never arrive */
1614 while (atomic_read(&txq
->used
)) {
1615 sent_skb
= sent_skbs
[txq
->tail
];
1616 end_idx
= txq
->tail
;
1618 wrb_cnt_for_skb(adapter
, sent_skb
, &dummy_wrb
) - 1,
1620 num_wrbs
= be_tx_compl_process(adapter
, txo
, end_idx
);
1621 atomic_sub(num_wrbs
, &txq
->used
);
1625 static void be_mcc_queues_destroy(struct be_adapter
*adapter
)
1627 struct be_queue_info
*q
;
1629 q
= &adapter
->mcc_obj
.q
;
1631 be_cmd_q_destroy(adapter
, q
, QTYPE_MCCQ
);
1632 be_queue_free(adapter
, q
);
1634 q
= &adapter
->mcc_obj
.cq
;
1636 be_cmd_q_destroy(adapter
, q
, QTYPE_CQ
);
1637 be_queue_free(adapter
, q
);
1640 /* Must be called only after TX qs are created as MCC shares TX EQ */
1641 static int be_mcc_queues_create(struct be_adapter
*adapter
)
1643 struct be_queue_info
*q
, *cq
;
1645 /* Alloc MCC compl queue */
1646 cq
= &adapter
->mcc_obj
.cq
;
1647 if (be_queue_alloc(adapter
, cq
, MCC_CQ_LEN
,
1648 sizeof(struct be_mcc_compl
)))
1651 /* Ask BE to create MCC compl queue; share TX's eq */
1652 if (be_cmd_cq_create(adapter
, cq
, &adapter
->tx_eq
.q
, false, true, 0))
1655 /* Alloc MCC queue */
1656 q
= &adapter
->mcc_obj
.q
;
1657 if (be_queue_alloc(adapter
, q
, MCC_Q_LEN
, sizeof(struct be_mcc_wrb
)))
1658 goto mcc_cq_destroy
;
1660 /* Ask BE to create MCC queue */
1661 if (be_cmd_mccq_create(adapter
, q
, cq
))
1667 be_queue_free(adapter
, q
);
1669 be_cmd_q_destroy(adapter
, cq
, QTYPE_CQ
);
1671 be_queue_free(adapter
, cq
);
1676 static void be_tx_queues_destroy(struct be_adapter
*adapter
)
1678 struct be_queue_info
*q
;
1679 struct be_tx_obj
*txo
;
1682 for_all_tx_queues(adapter
, txo
, i
) {
1685 be_cmd_q_destroy(adapter
, q
, QTYPE_TXQ
);
1686 be_queue_free(adapter
, q
);
1690 be_cmd_q_destroy(adapter
, q
, QTYPE_CQ
);
1691 be_queue_free(adapter
, q
);
1694 /* Clear any residual events */
1695 be_eq_clean(adapter
, &adapter
->tx_eq
);
1697 q
= &adapter
->tx_eq
.q
;
1699 be_cmd_q_destroy(adapter
, q
, QTYPE_EQ
);
1700 be_queue_free(adapter
, q
);
1703 /* One TX event queue is shared by all TX compl qs */
1704 static int be_tx_queues_create(struct be_adapter
*adapter
)
1706 struct be_queue_info
*eq
, *q
, *cq
;
1707 struct be_tx_obj
*txo
;
1710 adapter
->tx_eq
.max_eqd
= 0;
1711 adapter
->tx_eq
.min_eqd
= 0;
1712 adapter
->tx_eq
.cur_eqd
= 96;
1713 adapter
->tx_eq
.enable_aic
= false;
1715 eq
= &adapter
->tx_eq
.q
;
1716 if (be_queue_alloc(adapter
, eq
, EVNT_Q_LEN
,
1717 sizeof(struct be_eq_entry
)))
1720 if (be_cmd_eq_create(adapter
, eq
, adapter
->tx_eq
.cur_eqd
))
1722 adapter
->tx_eq
.eq_idx
= adapter
->eq_next_idx
++;
1724 for_all_tx_queues(adapter
, txo
, i
) {
1726 if (be_queue_alloc(adapter
, cq
, TX_CQ_LEN
,
1727 sizeof(struct be_eth_tx_compl
)))
1730 if (be_cmd_cq_create(adapter
, cq
, eq
, false, false, 3))
1734 if (be_queue_alloc(adapter
, q
, TX_Q_LEN
,
1735 sizeof(struct be_eth_wrb
)))
1738 if (be_cmd_txq_create(adapter
, q
, cq
))
1744 be_tx_queues_destroy(adapter
);
1748 static void be_rx_queues_destroy(struct be_adapter
*adapter
)
1750 struct be_queue_info
*q
;
1751 struct be_rx_obj
*rxo
;
1754 for_all_rx_queues(adapter
, rxo
, i
) {
1757 be_cmd_q_destroy(adapter
, q
, QTYPE_RXQ
);
1758 /* After the rxq is invalidated, wait for a grace time
1759 * of 1ms for all dma to end and the flush compl to
1763 be_rx_q_clean(adapter
, rxo
);
1765 be_queue_free(adapter
, q
);
1769 be_cmd_q_destroy(adapter
, q
, QTYPE_CQ
);
1770 be_queue_free(adapter
, q
);
1772 /* Clear any residual events */
1775 be_eq_clean(adapter
, &rxo
->rx_eq
);
1776 be_cmd_q_destroy(adapter
, q
, QTYPE_EQ
);
1778 be_queue_free(adapter
, q
);
1782 static u32
be_num_rxqs_want(struct be_adapter
*adapter
)
1784 if ((adapter
->function_caps
& BE_FUNCTION_CAPS_RSS
) &&
1785 !adapter
->sriov_enabled
&& !(adapter
->function_mode
& 0x400)) {
1786 return 1 + MAX_RSS_QS
; /* one default non-RSS queue */
1788 dev_warn(&adapter
->pdev
->dev
,
1789 "No support for multiple RX queues\n");
1794 static int be_rx_queues_create(struct be_adapter
*adapter
)
1796 struct be_queue_info
*eq
, *q
, *cq
;
1797 struct be_rx_obj
*rxo
;
1800 adapter
->num_rx_qs
= min(be_num_rxqs_want(adapter
),
1801 msix_enabled(adapter
) ?
1802 adapter
->num_msix_vec
- 1 : 1);
1803 if (adapter
->num_rx_qs
!= MAX_RX_QS
)
1804 dev_warn(&adapter
->pdev
->dev
,
1805 "Can create only %d RX queues", adapter
->num_rx_qs
);
1807 adapter
->big_page_size
= (1 << get_order(rx_frag_size
)) * PAGE_SIZE
;
1808 for_all_rx_queues(adapter
, rxo
, i
) {
1809 rxo
->adapter
= adapter
;
1810 rxo
->rx_eq
.max_eqd
= BE_MAX_EQD
;
1811 rxo
->rx_eq
.enable_aic
= true;
1815 rc
= be_queue_alloc(adapter
, eq
, EVNT_Q_LEN
,
1816 sizeof(struct be_eq_entry
));
1820 rc
= be_cmd_eq_create(adapter
, eq
, rxo
->rx_eq
.cur_eqd
);
1824 rxo
->rx_eq
.eq_idx
= adapter
->eq_next_idx
++;
1828 rc
= be_queue_alloc(adapter
, cq
, RX_CQ_LEN
,
1829 sizeof(struct be_eth_rx_compl
));
1833 rc
= be_cmd_cq_create(adapter
, cq
, eq
, false, false, 3);
1838 rc
= be_queue_alloc(adapter
, q
, RX_Q_LEN
,
1839 sizeof(struct be_eth_rx_d
));
1843 rc
= be_cmd_rxq_create(adapter
, q
, cq
->id
, rx_frag_size
,
1844 BE_MAX_JUMBO_FRAME_SIZE
, adapter
->if_handle
,
1845 (i
> 0) ? 1 : 0/* rss enable */, &rxo
->rss_id
);
1850 if (be_multi_rxq(adapter
)) {
1851 u8 rsstable
[MAX_RSS_QS
];
1853 for_all_rss_queues(adapter
, rxo
, i
)
1854 rsstable
[i
] = rxo
->rss_id
;
1856 rc
= be_cmd_rss_config(adapter
, rsstable
,
1857 adapter
->num_rx_qs
- 1);
1864 be_rx_queues_destroy(adapter
);
1868 static bool event_peek(struct be_eq_obj
*eq_obj
)
1870 struct be_eq_entry
*eqe
= queue_tail_node(&eq_obj
->q
);
1877 static irqreturn_t
be_intx(int irq
, void *dev
)
1879 struct be_adapter
*adapter
= dev
;
1880 struct be_rx_obj
*rxo
;
1881 int isr
, i
, tx
= 0 , rx
= 0;
1883 if (lancer_chip(adapter
)) {
1884 if (event_peek(&adapter
->tx_eq
))
1885 tx
= event_handle(adapter
, &adapter
->tx_eq
, false);
1886 for_all_rx_queues(adapter
, rxo
, i
) {
1887 if (event_peek(&rxo
->rx_eq
))
1888 rx
|= event_handle(adapter
, &rxo
->rx_eq
, true);
1895 isr
= ioread32(adapter
->csr
+ CEV_ISR0_OFFSET
+
1896 (adapter
->tx_eq
.q
.id
/ 8) * CEV_ISR_SIZE
);
1900 if ((1 << adapter
->tx_eq
.eq_idx
& isr
))
1901 event_handle(adapter
, &adapter
->tx_eq
, false);
1903 for_all_rx_queues(adapter
, rxo
, i
) {
1904 if ((1 << rxo
->rx_eq
.eq_idx
& isr
))
1905 event_handle(adapter
, &rxo
->rx_eq
, true);
1912 static irqreturn_t
be_msix_rx(int irq
, void *dev
)
1914 struct be_rx_obj
*rxo
= dev
;
1915 struct be_adapter
*adapter
= rxo
->adapter
;
1917 event_handle(adapter
, &rxo
->rx_eq
, true);
1922 static irqreturn_t
be_msix_tx_mcc(int irq
, void *dev
)
1924 struct be_adapter
*adapter
= dev
;
1926 event_handle(adapter
, &adapter
->tx_eq
, false);
1931 static inline bool do_gro(struct be_rx_compl_info
*rxcp
)
1933 return (rxcp
->tcpf
&& !rxcp
->err
) ? true : false;
1936 static int be_poll_rx(struct napi_struct
*napi
, int budget
)
1938 struct be_eq_obj
*rx_eq
= container_of(napi
, struct be_eq_obj
, napi
);
1939 struct be_rx_obj
*rxo
= container_of(rx_eq
, struct be_rx_obj
, rx_eq
);
1940 struct be_adapter
*adapter
= rxo
->adapter
;
1941 struct be_queue_info
*rx_cq
= &rxo
->cq
;
1942 struct be_rx_compl_info
*rxcp
;
1945 rxo
->stats
.rx_polls
++;
1946 for (work_done
= 0; work_done
< budget
; work_done
++) {
1947 rxcp
= be_rx_compl_get(rxo
);
1951 /* Ignore flush completions */
1952 if (rxcp
->num_rcvd
&& rxcp
->pkt_size
) {
1954 be_rx_compl_process_gro(adapter
, rxo
, rxcp
);
1956 be_rx_compl_process(adapter
, rxo
, rxcp
);
1957 } else if (rxcp
->pkt_size
== 0) {
1958 be_rx_compl_discard(adapter
, rxo
, rxcp
);
1961 be_rx_stats_update(rxo
, rxcp
);
1964 /* Refill the queue */
1965 if (atomic_read(&rxo
->q
.used
) < RX_FRAGS_REFILL_WM
)
1966 be_post_rx_frags(rxo
, GFP_ATOMIC
);
1969 if (work_done
< budget
) {
1970 napi_complete(napi
);
1971 be_cq_notify(adapter
, rx_cq
->id
, true, work_done
);
1973 /* More to be consumed; continue with interrupts disabled */
1974 be_cq_notify(adapter
, rx_cq
->id
, false, work_done
);
1979 /* As TX and MCC share the same EQ check for both TX and MCC completions.
1980 * For TX/MCC we don't honour budget; consume everything
1982 static int be_poll_tx_mcc(struct napi_struct
*napi
, int budget
)
1984 struct be_eq_obj
*tx_eq
= container_of(napi
, struct be_eq_obj
, napi
);
1985 struct be_adapter
*adapter
=
1986 container_of(tx_eq
, struct be_adapter
, tx_eq
);
1987 struct be_tx_obj
*txo
;
1988 struct be_eth_tx_compl
*txcp
;
1989 int tx_compl
, mcc_compl
, status
= 0;
1993 for_all_tx_queues(adapter
, txo
, i
) {
1996 while ((txcp
= be_tx_compl_get(&txo
->cq
))) {
1997 num_wrbs
+= be_tx_compl_process(adapter
, txo
,
1998 AMAP_GET_BITS(struct amap_eth_tx_compl
,
2003 be_cq_notify(adapter
, txo
->cq
.id
, true, tx_compl
);
2005 atomic_sub(num_wrbs
, &txo
->q
.used
);
2007 /* As Tx wrbs have been freed up, wake up netdev queue
2008 * if it was stopped due to lack of tx wrbs. */
2009 if (__netif_subqueue_stopped(adapter
->netdev
, i
) &&
2010 atomic_read(&txo
->q
.used
) < txo
->q
.len
/ 2) {
2011 netif_wake_subqueue(adapter
->netdev
, i
);
2014 adapter
->drv_stats
.be_tx_events
++;
2015 txo
->stats
.be_tx_compl
+= tx_compl
;
2019 mcc_compl
= be_process_mcc(adapter
, &status
);
2022 struct be_mcc_obj
*mcc_obj
= &adapter
->mcc_obj
;
2023 be_cq_notify(adapter
, mcc_obj
->cq
.id
, true, mcc_compl
);
2026 napi_complete(napi
);
2028 be_eq_notify(adapter
, tx_eq
->q
.id
, true, false, 0);
2032 void be_detect_dump_ue(struct be_adapter
*adapter
)
2034 u32 ue_status_lo
, ue_status_hi
, ue_status_lo_mask
, ue_status_hi_mask
;
2037 pci_read_config_dword(adapter
->pdev
,
2038 PCICFG_UE_STATUS_LOW
, &ue_status_lo
);
2039 pci_read_config_dword(adapter
->pdev
,
2040 PCICFG_UE_STATUS_HIGH
, &ue_status_hi
);
2041 pci_read_config_dword(adapter
->pdev
,
2042 PCICFG_UE_STATUS_LOW_MASK
, &ue_status_lo_mask
);
2043 pci_read_config_dword(adapter
->pdev
,
2044 PCICFG_UE_STATUS_HI_MASK
, &ue_status_hi_mask
);
2046 ue_status_lo
= (ue_status_lo
& (~ue_status_lo_mask
));
2047 ue_status_hi
= (ue_status_hi
& (~ue_status_hi_mask
));
2049 if (ue_status_lo
|| ue_status_hi
) {
2050 adapter
->ue_detected
= true;
2051 adapter
->eeh_err
= true;
2052 dev_err(&adapter
->pdev
->dev
, "UE Detected!!\n");
2056 for (i
= 0; ue_status_lo
; ue_status_lo
>>= 1, i
++) {
2057 if (ue_status_lo
& 1)
2058 dev_err(&adapter
->pdev
->dev
,
2059 "UE: %s bit set\n", ue_status_low_desc
[i
]);
2063 for (i
= 0; ue_status_hi
; ue_status_hi
>>= 1, i
++) {
2064 if (ue_status_hi
& 1)
2065 dev_err(&adapter
->pdev
->dev
,
2066 "UE: %s bit set\n", ue_status_hi_desc
[i
]);
2072 static void be_worker(struct work_struct
*work
)
2074 struct be_adapter
*adapter
=
2075 container_of(work
, struct be_adapter
, work
.work
);
2076 struct be_rx_obj
*rxo
;
2077 struct be_tx_obj
*txo
;
2080 if (!adapter
->ue_detected
&& !lancer_chip(adapter
))
2081 be_detect_dump_ue(adapter
);
2083 /* when interrupts are not yet enabled, just reap any pending
2084 * mcc completions */
2085 if (!netif_running(adapter
->netdev
)) {
2086 int mcc_compl
, status
= 0;
2088 mcc_compl
= be_process_mcc(adapter
, &status
);
2091 struct be_mcc_obj
*mcc_obj
= &adapter
->mcc_obj
;
2092 be_cq_notify(adapter
, mcc_obj
->cq
.id
, false, mcc_compl
);
2098 if (!adapter
->stats_cmd_sent
) {
2099 if (lancer_chip(adapter
))
2100 lancer_cmd_get_pport_stats(adapter
,
2101 &adapter
->stats_cmd
);
2103 be_cmd_get_stats(adapter
, &adapter
->stats_cmd
);
2106 for_all_tx_queues(adapter
, txo
, i
)
2107 be_tx_rate_update(txo
);
2109 for_all_rx_queues(adapter
, rxo
, i
) {
2110 be_rx_rate_update(rxo
);
2111 be_rx_eqd_update(adapter
, rxo
);
2113 if (rxo
->rx_post_starved
) {
2114 rxo
->rx_post_starved
= false;
2115 be_post_rx_frags(rxo
, GFP_KERNEL
);
2120 adapter
->work_counter
++;
2121 schedule_delayed_work(&adapter
->work
, msecs_to_jiffies(1000));
2124 static void be_msix_disable(struct be_adapter
*adapter
)
2126 if (msix_enabled(adapter
)) {
2127 pci_disable_msix(adapter
->pdev
);
2128 adapter
->num_msix_vec
= 0;
2132 static void be_msix_enable(struct be_adapter
*adapter
)
2134 #define BE_MIN_MSIX_VECTORS (1 + 1) /* Rx + Tx */
2135 int i
, status
, num_vec
;
2137 num_vec
= be_num_rxqs_want(adapter
) + 1;
2139 for (i
= 0; i
< num_vec
; i
++)
2140 adapter
->msix_entries
[i
].entry
= i
;
2142 status
= pci_enable_msix(adapter
->pdev
, adapter
->msix_entries
, num_vec
);
2145 } else if (status
>= BE_MIN_MSIX_VECTORS
) {
2147 if (pci_enable_msix(adapter
->pdev
, adapter
->msix_entries
,
2153 adapter
->num_msix_vec
= num_vec
;
2157 static void be_sriov_enable(struct be_adapter
*adapter
)
2159 be_check_sriov_fn_type(adapter
);
2160 #ifdef CONFIG_PCI_IOV
2161 if (be_physfn(adapter
) && num_vfs
) {
2165 pos
= pci_find_ext_capability(adapter
->pdev
,
2166 PCI_EXT_CAP_ID_SRIOV
);
2167 pci_read_config_word(adapter
->pdev
,
2168 pos
+ PCI_SRIOV_TOTAL_VF
, &nvfs
);
2170 if (num_vfs
> nvfs
) {
2171 dev_info(&adapter
->pdev
->dev
,
2172 "Device supports %d VFs and not %d\n",
2177 status
= pci_enable_sriov(adapter
->pdev
, num_vfs
);
2178 adapter
->sriov_enabled
= status
? false : true;
2183 static void be_sriov_disable(struct be_adapter
*adapter
)
2185 #ifdef CONFIG_PCI_IOV
2186 if (adapter
->sriov_enabled
) {
2187 pci_disable_sriov(adapter
->pdev
);
2188 adapter
->sriov_enabled
= false;
2193 static inline int be_msix_vec_get(struct be_adapter
*adapter
,
2194 struct be_eq_obj
*eq_obj
)
2196 return adapter
->msix_entries
[eq_obj
->eq_idx
].vector
;
2199 static int be_request_irq(struct be_adapter
*adapter
,
2200 struct be_eq_obj
*eq_obj
,
2201 void *handler
, char *desc
, void *context
)
2203 struct net_device
*netdev
= adapter
->netdev
;
2206 sprintf(eq_obj
->desc
, "%s-%s", netdev
->name
, desc
);
2207 vec
= be_msix_vec_get(adapter
, eq_obj
);
2208 return request_irq(vec
, handler
, 0, eq_obj
->desc
, context
);
2211 static void be_free_irq(struct be_adapter
*adapter
, struct be_eq_obj
*eq_obj
,
2214 int vec
= be_msix_vec_get(adapter
, eq_obj
);
2215 free_irq(vec
, context
);
2218 static int be_msix_register(struct be_adapter
*adapter
)
2220 struct be_rx_obj
*rxo
;
2224 status
= be_request_irq(adapter
, &adapter
->tx_eq
, be_msix_tx_mcc
, "tx",
2229 for_all_rx_queues(adapter
, rxo
, i
) {
2230 sprintf(qname
, "rxq%d", i
);
2231 status
= be_request_irq(adapter
, &rxo
->rx_eq
, be_msix_rx
,
2240 be_free_irq(adapter
, &adapter
->tx_eq
, adapter
);
2242 for (i
--, rxo
= &adapter
->rx_obj
[i
]; i
>= 0; i
--, rxo
--)
2243 be_free_irq(adapter
, &rxo
->rx_eq
, rxo
);
2246 dev_warn(&adapter
->pdev
->dev
,
2247 "MSIX Request IRQ failed - err %d\n", status
);
2248 be_msix_disable(adapter
);
2252 static int be_irq_register(struct be_adapter
*adapter
)
2254 struct net_device
*netdev
= adapter
->netdev
;
2257 if (msix_enabled(adapter
)) {
2258 status
= be_msix_register(adapter
);
2261 /* INTx is not supported for VF */
2262 if (!be_physfn(adapter
))
2267 netdev
->irq
= adapter
->pdev
->irq
;
2268 status
= request_irq(netdev
->irq
, be_intx
, IRQF_SHARED
, netdev
->name
,
2271 dev_err(&adapter
->pdev
->dev
,
2272 "INTx request IRQ failed - err %d\n", status
);
2276 adapter
->isr_registered
= true;
2280 static void be_irq_unregister(struct be_adapter
*adapter
)
2282 struct net_device
*netdev
= adapter
->netdev
;
2283 struct be_rx_obj
*rxo
;
2286 if (!adapter
->isr_registered
)
2290 if (!msix_enabled(adapter
)) {
2291 free_irq(netdev
->irq
, adapter
);
2296 be_free_irq(adapter
, &adapter
->tx_eq
, adapter
);
2298 for_all_rx_queues(adapter
, rxo
, i
)
2299 be_free_irq(adapter
, &rxo
->rx_eq
, rxo
);
2302 adapter
->isr_registered
= false;
2305 static int be_close(struct net_device
*netdev
)
2307 struct be_adapter
*adapter
= netdev_priv(netdev
);
2308 struct be_rx_obj
*rxo
;
2309 struct be_tx_obj
*txo
;
2310 struct be_eq_obj
*tx_eq
= &adapter
->tx_eq
;
2313 be_async_mcc_disable(adapter
);
2315 netif_carrier_off(netdev
);
2316 adapter
->link_up
= false;
2318 if (!lancer_chip(adapter
))
2319 be_intr_set(adapter
, false);
2321 for_all_rx_queues(adapter
, rxo
, i
)
2322 napi_disable(&rxo
->rx_eq
.napi
);
2324 napi_disable(&tx_eq
->napi
);
2326 if (lancer_chip(adapter
)) {
2327 be_cq_notify(adapter
, adapter
->mcc_obj
.cq
.id
, false, 0);
2328 for_all_rx_queues(adapter
, rxo
, i
)
2329 be_cq_notify(adapter
, rxo
->cq
.id
, false, 0);
2330 for_all_tx_queues(adapter
, txo
, i
)
2331 be_cq_notify(adapter
, txo
->cq
.id
, false, 0);
2334 if (msix_enabled(adapter
)) {
2335 vec
= be_msix_vec_get(adapter
, tx_eq
);
2336 synchronize_irq(vec
);
2338 for_all_rx_queues(adapter
, rxo
, i
) {
2339 vec
= be_msix_vec_get(adapter
, &rxo
->rx_eq
);
2340 synchronize_irq(vec
);
2343 synchronize_irq(netdev
->irq
);
2345 be_irq_unregister(adapter
);
2347 /* Wait for all pending tx completions to arrive so that
2348 * all tx skbs are freed.
2350 for_all_tx_queues(adapter
, txo
, i
)
2351 be_tx_compl_clean(adapter
, txo
);
2356 static int be_open(struct net_device
*netdev
)
2358 struct be_adapter
*adapter
= netdev_priv(netdev
);
2359 struct be_eq_obj
*tx_eq
= &adapter
->tx_eq
;
2360 struct be_rx_obj
*rxo
;
2366 for_all_rx_queues(adapter
, rxo
, i
) {
2367 be_post_rx_frags(rxo
, GFP_KERNEL
);
2368 napi_enable(&rxo
->rx_eq
.napi
);
2370 napi_enable(&tx_eq
->napi
);
2372 be_irq_register(adapter
);
2374 if (!lancer_chip(adapter
))
2375 be_intr_set(adapter
, true);
2377 /* The evt queues are created in unarmed state; arm them */
2378 for_all_rx_queues(adapter
, rxo
, i
) {
2379 be_eq_notify(adapter
, rxo
->rx_eq
.q
.id
, true, false, 0);
2380 be_cq_notify(adapter
, rxo
->cq
.id
, true, 0);
2382 be_eq_notify(adapter
, tx_eq
->q
.id
, true, false, 0);
2384 /* Now that interrupts are on we can process async mcc */
2385 be_async_mcc_enable(adapter
);
2387 status
= be_cmd_link_status_query(adapter
, &link_up
, &mac_speed
,
2391 be_link_status_update(adapter
, link_up
);
2393 if (be_physfn(adapter
)) {
2394 status
= be_vid_config(adapter
, false, 0);
2398 status
= be_cmd_set_flow_control(adapter
,
2399 adapter
->tx_fc
, adapter
->rx_fc
);
2406 be_close(adapter
->netdev
);
2410 static int be_setup_wol(struct be_adapter
*adapter
, bool enable
)
2412 struct be_dma_mem cmd
;
2416 memset(mac
, 0, ETH_ALEN
);
2418 cmd
.size
= sizeof(struct be_cmd_req_acpi_wol_magic_config
);
2419 cmd
.va
= dma_alloc_coherent(&adapter
->pdev
->dev
, cmd
.size
, &cmd
.dma
,
2423 memset(cmd
.va
, 0, cmd
.size
);
2426 status
= pci_write_config_dword(adapter
->pdev
,
2427 PCICFG_PM_CONTROL_OFFSET
, PCICFG_PM_CONTROL_MASK
);
2429 dev_err(&adapter
->pdev
->dev
,
2430 "Could not enable Wake-on-lan\n");
2431 dma_free_coherent(&adapter
->pdev
->dev
, cmd
.size
, cmd
.va
,
2435 status
= be_cmd_enable_magic_wol(adapter
,
2436 adapter
->netdev
->dev_addr
, &cmd
);
2437 pci_enable_wake(adapter
->pdev
, PCI_D3hot
, 1);
2438 pci_enable_wake(adapter
->pdev
, PCI_D3cold
, 1);
2440 status
= be_cmd_enable_magic_wol(adapter
, mac
, &cmd
);
2441 pci_enable_wake(adapter
->pdev
, PCI_D3hot
, 0);
2442 pci_enable_wake(adapter
->pdev
, PCI_D3cold
, 0);
2445 dma_free_coherent(&adapter
->pdev
->dev
, cmd
.size
, cmd
.va
, cmd
.dma
);
2450 * Generate a seed MAC address from the PF MAC Address using jhash.
2451 * MAC Address for VFs are assigned incrementally starting from the seed.
2452 * These addresses are programmed in the ASIC by the PF and the VF driver
2453 * queries for the MAC address during its probe.
2455 static inline int be_vf_eth_addr_config(struct be_adapter
*adapter
)
2461 be_vf_eth_addr_generate(adapter
, mac
);
2463 for (vf
= 0; vf
< num_vfs
; vf
++) {
2464 status
= be_cmd_pmac_add(adapter
, mac
,
2465 adapter
->vf_cfg
[vf
].vf_if_handle
,
2466 &adapter
->vf_cfg
[vf
].vf_pmac_id
,
2469 dev_err(&adapter
->pdev
->dev
,
2470 "Mac address add failed for VF %d\n", vf
);
2472 memcpy(adapter
->vf_cfg
[vf
].vf_mac_addr
, mac
, ETH_ALEN
);
2479 static inline void be_vf_eth_addr_rem(struct be_adapter
*adapter
)
2483 for (vf
= 0; vf
< num_vfs
; vf
++) {
2484 if (adapter
->vf_cfg
[vf
].vf_pmac_id
!= BE_INVALID_PMAC_ID
)
2485 be_cmd_pmac_del(adapter
,
2486 adapter
->vf_cfg
[vf
].vf_if_handle
,
2487 adapter
->vf_cfg
[vf
].vf_pmac_id
, vf
+ 1);
2491 static int be_setup(struct be_adapter
*adapter
)
2493 struct net_device
*netdev
= adapter
->netdev
;
2494 u32 cap_flags
, en_flags
, vf
= 0;
2498 cap_flags
= en_flags
= BE_IF_FLAGS_UNTAGGED
|
2499 BE_IF_FLAGS_BROADCAST
|
2500 BE_IF_FLAGS_MULTICAST
;
2502 if (be_physfn(adapter
)) {
2503 cap_flags
|= BE_IF_FLAGS_MCAST_PROMISCUOUS
|
2504 BE_IF_FLAGS_PROMISCUOUS
|
2505 BE_IF_FLAGS_PASS_L3L4_ERRORS
;
2506 en_flags
|= BE_IF_FLAGS_PASS_L3L4_ERRORS
;
2508 if (adapter
->function_caps
& BE_FUNCTION_CAPS_RSS
) {
2509 cap_flags
|= BE_IF_FLAGS_RSS
;
2510 en_flags
|= BE_IF_FLAGS_RSS
;
2514 status
= be_cmd_if_create(adapter
, cap_flags
, en_flags
,
2515 netdev
->dev_addr
, false/* pmac_invalid */,
2516 &adapter
->if_handle
, &adapter
->pmac_id
, 0);
2520 if (be_physfn(adapter
)) {
2521 if (adapter
->sriov_enabled
) {
2522 while (vf
< num_vfs
) {
2523 cap_flags
= en_flags
= BE_IF_FLAGS_UNTAGGED
|
2524 BE_IF_FLAGS_BROADCAST
;
2525 status
= be_cmd_if_create(adapter
, cap_flags
,
2526 en_flags
, mac
, true,
2527 &adapter
->vf_cfg
[vf
].vf_if_handle
,
2530 dev_err(&adapter
->pdev
->dev
,
2531 "Interface Create failed for VF %d\n",
2535 adapter
->vf_cfg
[vf
].vf_pmac_id
=
2541 status
= be_cmd_mac_addr_query(adapter
, mac
,
2542 MAC_ADDRESS_TYPE_NETWORK
, false, adapter
->if_handle
);
2544 memcpy(adapter
->netdev
->dev_addr
, mac
, ETH_ALEN
);
2545 memcpy(adapter
->netdev
->perm_addr
, mac
, ETH_ALEN
);
2549 status
= be_tx_queues_create(adapter
);
2553 status
= be_rx_queues_create(adapter
);
2557 /* Allow all priorities by default. A GRP5 evt may modify this */
2558 adapter
->vlan_prio_bmap
= 0xff;
2560 status
= be_mcc_queues_create(adapter
);
2564 adapter
->link_speed
= -1;
2569 be_rx_queues_destroy(adapter
);
2571 be_tx_queues_destroy(adapter
);
2573 if (be_physfn(adapter
) && adapter
->sriov_enabled
)
2574 for (vf
= 0; vf
< num_vfs
; vf
++)
2575 if (adapter
->vf_cfg
[vf
].vf_if_handle
)
2576 be_cmd_if_destroy(adapter
,
2577 adapter
->vf_cfg
[vf
].vf_if_handle
,
2579 be_cmd_if_destroy(adapter
, adapter
->if_handle
, 0);
2584 static int be_clear(struct be_adapter
*adapter
)
2588 if (be_physfn(adapter
) && adapter
->sriov_enabled
)
2589 be_vf_eth_addr_rem(adapter
);
2591 be_mcc_queues_destroy(adapter
);
2592 be_rx_queues_destroy(adapter
);
2593 be_tx_queues_destroy(adapter
);
2594 adapter
->eq_next_idx
= 0;
2596 if (be_physfn(adapter
) && adapter
->sriov_enabled
)
2597 for (vf
= 0; vf
< num_vfs
; vf
++)
2598 if (adapter
->vf_cfg
[vf
].vf_if_handle
)
2599 be_cmd_if_destroy(adapter
,
2600 adapter
->vf_cfg
[vf
].vf_if_handle
,
2603 be_cmd_if_destroy(adapter
, adapter
->if_handle
, 0);
2605 /* tell fw we're done with firing cmds */
2606 be_cmd_fw_clean(adapter
);
2611 #define FW_FILE_HDR_SIGN "ServerEngines Corp. "
2612 static bool be_flash_redboot(struct be_adapter
*adapter
,
2613 const u8
*p
, u32 img_start
, int image_size
,
2620 crc_offset
= hdr_size
+ img_start
+ image_size
- 4;
2624 status
= be_cmd_get_flash_crc(adapter
, flashed_crc
,
2627 dev_err(&adapter
->pdev
->dev
,
2628 "could not get crc from flash, not flashing redboot\n");
2632 /*update redboot only if crc does not match*/
2633 if (!memcmp(flashed_crc
, p
, 4))
2639 static int be_flash_data(struct be_adapter
*adapter
,
2640 const struct firmware
*fw
,
2641 struct be_dma_mem
*flash_cmd
, int num_of_images
)
2644 int status
= 0, i
, filehdr_size
= 0;
2645 u32 total_bytes
= 0, flash_op
;
2647 const u8
*p
= fw
->data
;
2648 struct be_cmd_write_flashrom
*req
= flash_cmd
->va
;
2649 const struct flash_comp
*pflashcomp
;
2652 static const struct flash_comp gen3_flash_types
[9] = {
2653 { FLASH_iSCSI_PRIMARY_IMAGE_START_g3
, IMG_TYPE_ISCSI_ACTIVE
,
2654 FLASH_IMAGE_MAX_SIZE_g3
},
2655 { FLASH_REDBOOT_START_g3
, IMG_TYPE_REDBOOT
,
2656 FLASH_REDBOOT_IMAGE_MAX_SIZE_g3
},
2657 { FLASH_iSCSI_BIOS_START_g3
, IMG_TYPE_BIOS
,
2658 FLASH_BIOS_IMAGE_MAX_SIZE_g3
},
2659 { FLASH_PXE_BIOS_START_g3
, IMG_TYPE_PXE_BIOS
,
2660 FLASH_BIOS_IMAGE_MAX_SIZE_g3
},
2661 { FLASH_FCoE_BIOS_START_g3
, IMG_TYPE_FCOE_BIOS
,
2662 FLASH_BIOS_IMAGE_MAX_SIZE_g3
},
2663 { FLASH_iSCSI_BACKUP_IMAGE_START_g3
, IMG_TYPE_ISCSI_BACKUP
,
2664 FLASH_IMAGE_MAX_SIZE_g3
},
2665 { FLASH_FCoE_PRIMARY_IMAGE_START_g3
, IMG_TYPE_FCOE_FW_ACTIVE
,
2666 FLASH_IMAGE_MAX_SIZE_g3
},
2667 { FLASH_FCoE_BACKUP_IMAGE_START_g3
, IMG_TYPE_FCOE_FW_BACKUP
,
2668 FLASH_IMAGE_MAX_SIZE_g3
},
2669 { FLASH_NCSI_START_g3
, IMG_TYPE_NCSI_FW
,
2670 FLASH_NCSI_IMAGE_MAX_SIZE_g3
}
2672 static const struct flash_comp gen2_flash_types
[8] = {
2673 { FLASH_iSCSI_PRIMARY_IMAGE_START_g2
, IMG_TYPE_ISCSI_ACTIVE
,
2674 FLASH_IMAGE_MAX_SIZE_g2
},
2675 { FLASH_REDBOOT_START_g2
, IMG_TYPE_REDBOOT
,
2676 FLASH_REDBOOT_IMAGE_MAX_SIZE_g2
},
2677 { FLASH_iSCSI_BIOS_START_g2
, IMG_TYPE_BIOS
,
2678 FLASH_BIOS_IMAGE_MAX_SIZE_g2
},
2679 { FLASH_PXE_BIOS_START_g2
, IMG_TYPE_PXE_BIOS
,
2680 FLASH_BIOS_IMAGE_MAX_SIZE_g2
},
2681 { FLASH_FCoE_BIOS_START_g2
, IMG_TYPE_FCOE_BIOS
,
2682 FLASH_BIOS_IMAGE_MAX_SIZE_g2
},
2683 { FLASH_iSCSI_BACKUP_IMAGE_START_g2
, IMG_TYPE_ISCSI_BACKUP
,
2684 FLASH_IMAGE_MAX_SIZE_g2
},
2685 { FLASH_FCoE_PRIMARY_IMAGE_START_g2
, IMG_TYPE_FCOE_FW_ACTIVE
,
2686 FLASH_IMAGE_MAX_SIZE_g2
},
2687 { FLASH_FCoE_BACKUP_IMAGE_START_g2
, IMG_TYPE_FCOE_FW_BACKUP
,
2688 FLASH_IMAGE_MAX_SIZE_g2
}
2691 if (adapter
->generation
== BE_GEN3
) {
2692 pflashcomp
= gen3_flash_types
;
2693 filehdr_size
= sizeof(struct flash_file_hdr_g3
);
2694 num_comp
= ARRAY_SIZE(gen3_flash_types
);
2696 pflashcomp
= gen2_flash_types
;
2697 filehdr_size
= sizeof(struct flash_file_hdr_g2
);
2698 num_comp
= ARRAY_SIZE(gen2_flash_types
);
2700 for (i
= 0; i
< num_comp
; i
++) {
2701 if ((pflashcomp
[i
].optype
== IMG_TYPE_NCSI_FW
) &&
2702 memcmp(adapter
->fw_ver
, "3.102.148.0", 11) < 0)
2704 if ((pflashcomp
[i
].optype
== IMG_TYPE_REDBOOT
) &&
2705 (!be_flash_redboot(adapter
, fw
->data
,
2706 pflashcomp
[i
].offset
, pflashcomp
[i
].size
, filehdr_size
+
2707 (num_of_images
* sizeof(struct image_hdr
)))))
2710 p
+= filehdr_size
+ pflashcomp
[i
].offset
2711 + (num_of_images
* sizeof(struct image_hdr
));
2712 if (p
+ pflashcomp
[i
].size
> fw
->data
+ fw
->size
)
2714 total_bytes
= pflashcomp
[i
].size
;
2715 while (total_bytes
) {
2716 if (total_bytes
> 32*1024)
2717 num_bytes
= 32*1024;
2719 num_bytes
= total_bytes
;
2720 total_bytes
-= num_bytes
;
2723 flash_op
= FLASHROM_OPER_FLASH
;
2725 flash_op
= FLASHROM_OPER_SAVE
;
2726 memcpy(req
->params
.data_buf
, p
, num_bytes
);
2728 status
= be_cmd_write_flashrom(adapter
, flash_cmd
,
2729 pflashcomp
[i
].optype
, flash_op
, num_bytes
);
2731 dev_err(&adapter
->pdev
->dev
,
2732 "cmd to write to flash rom failed.\n");
2740 static int get_ufigen_type(struct flash_file_hdr_g2
*fhdr
)
2744 if (fhdr
->build
[0] == '3')
2746 else if (fhdr
->build
[0] == '2')
2752 static int lancer_fw_download(struct be_adapter
*adapter
,
2753 const struct firmware
*fw
)
2755 #define LANCER_FW_DOWNLOAD_CHUNK (32 * 1024)
2756 #define LANCER_FW_DOWNLOAD_LOCATION "/prg"
2757 struct be_dma_mem flash_cmd
;
2758 const u8
*data_ptr
= NULL
;
2759 u8
*dest_image_ptr
= NULL
;
2760 size_t image_size
= 0;
2762 u32 data_written
= 0;
2767 if (!IS_ALIGNED(fw
->size
, sizeof(u32
))) {
2768 dev_err(&adapter
->pdev
->dev
,
2769 "FW Image not properly aligned. "
2770 "Length must be 4 byte aligned.\n");
2772 goto lancer_fw_exit
;
2775 flash_cmd
.size
= sizeof(struct lancer_cmd_req_write_object
)
2776 + LANCER_FW_DOWNLOAD_CHUNK
;
2777 flash_cmd
.va
= dma_alloc_coherent(&adapter
->pdev
->dev
, flash_cmd
.size
,
2778 &flash_cmd
.dma
, GFP_KERNEL
);
2779 if (!flash_cmd
.va
) {
2781 dev_err(&adapter
->pdev
->dev
,
2782 "Memory allocation failure while flashing\n");
2783 goto lancer_fw_exit
;
2786 dest_image_ptr
= flash_cmd
.va
+
2787 sizeof(struct lancer_cmd_req_write_object
);
2788 image_size
= fw
->size
;
2789 data_ptr
= fw
->data
;
2791 while (image_size
) {
2792 chunk_size
= min_t(u32
, image_size
, LANCER_FW_DOWNLOAD_CHUNK
);
2794 /* Copy the image chunk content. */
2795 memcpy(dest_image_ptr
, data_ptr
, chunk_size
);
2797 status
= lancer_cmd_write_object(adapter
, &flash_cmd
,
2798 chunk_size
, offset
, LANCER_FW_DOWNLOAD_LOCATION
,
2799 &data_written
, &add_status
);
2804 offset
+= data_written
;
2805 data_ptr
+= data_written
;
2806 image_size
-= data_written
;
2810 /* Commit the FW written */
2811 status
= lancer_cmd_write_object(adapter
, &flash_cmd
,
2812 0, offset
, LANCER_FW_DOWNLOAD_LOCATION
,
2813 &data_written
, &add_status
);
2816 dma_free_coherent(&adapter
->pdev
->dev
, flash_cmd
.size
, flash_cmd
.va
,
2819 dev_err(&adapter
->pdev
->dev
,
2820 "Firmware load error. "
2821 "Status code: 0x%x Additional Status: 0x%x\n",
2822 status
, add_status
);
2823 goto lancer_fw_exit
;
2826 dev_info(&adapter
->pdev
->dev
, "Firmware flashed successfully\n");
2831 static int be_fw_download(struct be_adapter
*adapter
, const struct firmware
* fw
)
2833 struct flash_file_hdr_g2
*fhdr
;
2834 struct flash_file_hdr_g3
*fhdr3
;
2835 struct image_hdr
*img_hdr_ptr
= NULL
;
2836 struct be_dma_mem flash_cmd
;
2838 int status
= 0, i
= 0, num_imgs
= 0;
2841 fhdr
= (struct flash_file_hdr_g2
*) p
;
2843 flash_cmd
.size
= sizeof(struct be_cmd_write_flashrom
) + 32*1024;
2844 flash_cmd
.va
= dma_alloc_coherent(&adapter
->pdev
->dev
, flash_cmd
.size
,
2845 &flash_cmd
.dma
, GFP_KERNEL
);
2846 if (!flash_cmd
.va
) {
2848 dev_err(&adapter
->pdev
->dev
,
2849 "Memory allocation failure while flashing\n");
2853 if ((adapter
->generation
== BE_GEN3
) &&
2854 (get_ufigen_type(fhdr
) == BE_GEN3
)) {
2855 fhdr3
= (struct flash_file_hdr_g3
*) fw
->data
;
2856 num_imgs
= le32_to_cpu(fhdr3
->num_imgs
);
2857 for (i
= 0; i
< num_imgs
; i
++) {
2858 img_hdr_ptr
= (struct image_hdr
*) (fw
->data
+
2859 (sizeof(struct flash_file_hdr_g3
) +
2860 i
* sizeof(struct image_hdr
)));
2861 if (le32_to_cpu(img_hdr_ptr
->imageid
) == 1)
2862 status
= be_flash_data(adapter
, fw
, &flash_cmd
,
2865 } else if ((adapter
->generation
== BE_GEN2
) &&
2866 (get_ufigen_type(fhdr
) == BE_GEN2
)) {
2867 status
= be_flash_data(adapter
, fw
, &flash_cmd
, 0);
2869 dev_err(&adapter
->pdev
->dev
,
2870 "UFI and Interface are not compatible for flashing\n");
2874 dma_free_coherent(&adapter
->pdev
->dev
, flash_cmd
.size
, flash_cmd
.va
,
2877 dev_err(&adapter
->pdev
->dev
, "Firmware load error\n");
2881 dev_info(&adapter
->pdev
->dev
, "Firmware flashed successfully\n");
2887 int be_load_fw(struct be_adapter
*adapter
, u8
*fw_file
)
2889 const struct firmware
*fw
;
2892 if (!netif_running(adapter
->netdev
)) {
2893 dev_err(&adapter
->pdev
->dev
,
2894 "Firmware load not allowed (interface is down)\n");
2898 status
= request_firmware(&fw
, fw_file
, &adapter
->pdev
->dev
);
2902 dev_info(&adapter
->pdev
->dev
, "Flashing firmware file %s\n", fw_file
);
2904 if (lancer_chip(adapter
))
2905 status
= lancer_fw_download(adapter
, fw
);
2907 status
= be_fw_download(adapter
, fw
);
2910 release_firmware(fw
);
2914 static struct net_device_ops be_netdev_ops
= {
2915 .ndo_open
= be_open
,
2916 .ndo_stop
= be_close
,
2917 .ndo_start_xmit
= be_xmit
,
2918 .ndo_set_rx_mode
= be_set_multicast_list
,
2919 .ndo_set_mac_address
= be_mac_addr_set
,
2920 .ndo_change_mtu
= be_change_mtu
,
2921 .ndo_validate_addr
= eth_validate_addr
,
2922 .ndo_vlan_rx_register
= be_vlan_register
,
2923 .ndo_vlan_rx_add_vid
= be_vlan_add_vid
,
2924 .ndo_vlan_rx_kill_vid
= be_vlan_rem_vid
,
2925 .ndo_set_vf_mac
= be_set_vf_mac
,
2926 .ndo_set_vf_vlan
= be_set_vf_vlan
,
2927 .ndo_set_vf_tx_rate
= be_set_vf_tx_rate
,
2928 .ndo_get_vf_config
= be_get_vf_config
2931 static void be_netdev_init(struct net_device
*netdev
)
2933 struct be_adapter
*adapter
= netdev_priv(netdev
);
2934 struct be_rx_obj
*rxo
;
2937 netdev
->hw_features
|= NETIF_F_SG
| NETIF_F_TSO
| NETIF_F_TSO6
|
2938 NETIF_F_IP_CSUM
| NETIF_F_IPV6_CSUM
| NETIF_F_RXCSUM
|
2940 if (be_multi_rxq(adapter
))
2941 netdev
->hw_features
|= NETIF_F_RXHASH
;
2943 netdev
->features
|= netdev
->hw_features
|
2944 NETIF_F_HW_VLAN_RX
| NETIF_F_HW_VLAN_FILTER
;
2946 netdev
->vlan_features
|= NETIF_F_SG
| NETIF_F_TSO
| NETIF_F_TSO6
|
2947 NETIF_F_IP_CSUM
| NETIF_F_IPV6_CSUM
;
2949 netdev
->flags
|= IFF_MULTICAST
;
2951 /* Default settings for Rx and Tx flow control */
2952 adapter
->rx_fc
= true;
2953 adapter
->tx_fc
= true;
2955 netif_set_gso_max_size(netdev
, 65535);
2957 BE_SET_NETDEV_OPS(netdev
, &be_netdev_ops
);
2959 SET_ETHTOOL_OPS(netdev
, &be_ethtool_ops
);
2961 for_all_rx_queues(adapter
, rxo
, i
)
2962 netif_napi_add(netdev
, &rxo
->rx_eq
.napi
, be_poll_rx
,
2965 netif_napi_add(netdev
, &adapter
->tx_eq
.napi
, be_poll_tx_mcc
,
2969 static void be_unmap_pci_bars(struct be_adapter
*adapter
)
2972 iounmap(adapter
->csr
);
2974 iounmap(adapter
->db
);
2975 if (adapter
->pcicfg
&& be_physfn(adapter
))
2976 iounmap(adapter
->pcicfg
);
2979 static int be_map_pci_bars(struct be_adapter
*adapter
)
2982 int pcicfg_reg
, db_reg
;
2984 if (lancer_chip(adapter
)) {
2985 addr
= ioremap_nocache(pci_resource_start(adapter
->pdev
, 0),
2986 pci_resource_len(adapter
->pdev
, 0));
2993 if (be_physfn(adapter
)) {
2994 addr
= ioremap_nocache(pci_resource_start(adapter
->pdev
, 2),
2995 pci_resource_len(adapter
->pdev
, 2));
2998 adapter
->csr
= addr
;
3001 if (adapter
->generation
== BE_GEN2
) {
3006 if (be_physfn(adapter
))
3011 addr
= ioremap_nocache(pci_resource_start(adapter
->pdev
, db_reg
),
3012 pci_resource_len(adapter
->pdev
, db_reg
));
3017 if (be_physfn(adapter
)) {
3018 addr
= ioremap_nocache(
3019 pci_resource_start(adapter
->pdev
, pcicfg_reg
),
3020 pci_resource_len(adapter
->pdev
, pcicfg_reg
));
3023 adapter
->pcicfg
= addr
;
3025 adapter
->pcicfg
= adapter
->db
+ SRIOV_VF_PCICFG_OFFSET
;
3029 be_unmap_pci_bars(adapter
);
3034 static void be_ctrl_cleanup(struct be_adapter
*adapter
)
3036 struct be_dma_mem
*mem
= &adapter
->mbox_mem_alloced
;
3038 be_unmap_pci_bars(adapter
);
3041 dma_free_coherent(&adapter
->pdev
->dev
, mem
->size
, mem
->va
,
3044 mem
= &adapter
->mc_cmd_mem
;
3046 dma_free_coherent(&adapter
->pdev
->dev
, mem
->size
, mem
->va
,
3050 static int be_ctrl_init(struct be_adapter
*adapter
)
3052 struct be_dma_mem
*mbox_mem_alloc
= &adapter
->mbox_mem_alloced
;
3053 struct be_dma_mem
*mbox_mem_align
= &adapter
->mbox_mem
;
3054 struct be_dma_mem
*mc_cmd_mem
= &adapter
->mc_cmd_mem
;
3057 status
= be_map_pci_bars(adapter
);
3061 mbox_mem_alloc
->size
= sizeof(struct be_mcc_mailbox
) + 16;
3062 mbox_mem_alloc
->va
= dma_alloc_coherent(&adapter
->pdev
->dev
,
3063 mbox_mem_alloc
->size
,
3064 &mbox_mem_alloc
->dma
,
3066 if (!mbox_mem_alloc
->va
) {
3068 goto unmap_pci_bars
;
3071 mbox_mem_align
->size
= sizeof(struct be_mcc_mailbox
);
3072 mbox_mem_align
->va
= PTR_ALIGN(mbox_mem_alloc
->va
, 16);
3073 mbox_mem_align
->dma
= PTR_ALIGN(mbox_mem_alloc
->dma
, 16);
3074 memset(mbox_mem_align
->va
, 0, sizeof(struct be_mcc_mailbox
));
3076 mc_cmd_mem
->size
= sizeof(struct be_cmd_req_mcast_mac_config
);
3077 mc_cmd_mem
->va
= dma_alloc_coherent(&adapter
->pdev
->dev
,
3078 mc_cmd_mem
->size
, &mc_cmd_mem
->dma
,
3080 if (mc_cmd_mem
->va
== NULL
) {
3084 memset(mc_cmd_mem
->va
, 0, mc_cmd_mem
->size
);
3086 mutex_init(&adapter
->mbox_lock
);
3087 spin_lock_init(&adapter
->mcc_lock
);
3088 spin_lock_init(&adapter
->mcc_cq_lock
);
3090 init_completion(&adapter
->flash_compl
);
3091 pci_save_state(adapter
->pdev
);
3095 dma_free_coherent(&adapter
->pdev
->dev
, mbox_mem_alloc
->size
,
3096 mbox_mem_alloc
->va
, mbox_mem_alloc
->dma
);
3099 be_unmap_pci_bars(adapter
);
3105 static void be_stats_cleanup(struct be_adapter
*adapter
)
3107 struct be_dma_mem
*cmd
= &adapter
->stats_cmd
;
3110 dma_free_coherent(&adapter
->pdev
->dev
, cmd
->size
,
3114 static int be_stats_init(struct be_adapter
*adapter
)
3116 struct be_dma_mem
*cmd
= &adapter
->stats_cmd
;
3118 if (adapter
->generation
== BE_GEN2
) {
3119 cmd
->size
= sizeof(struct be_cmd_req_get_stats_v0
);
3121 if (lancer_chip(adapter
))
3122 cmd
->size
= sizeof(struct lancer_cmd_req_pport_stats
);
3124 cmd
->size
= sizeof(struct be_cmd_req_get_stats_v1
);
3126 cmd
->va
= dma_alloc_coherent(&adapter
->pdev
->dev
, cmd
->size
, &cmd
->dma
,
3128 if (cmd
->va
== NULL
)
3130 memset(cmd
->va
, 0, cmd
->size
);
3134 static void __devexit
be_remove(struct pci_dev
*pdev
)
3136 struct be_adapter
*adapter
= pci_get_drvdata(pdev
);
3141 cancel_delayed_work_sync(&adapter
->work
);
3143 unregister_netdev(adapter
->netdev
);
3147 be_stats_cleanup(adapter
);
3149 be_ctrl_cleanup(adapter
);
3151 kfree(adapter
->vf_cfg
);
3152 be_sriov_disable(adapter
);
3154 be_msix_disable(adapter
);
3156 pci_set_drvdata(pdev
, NULL
);
3157 pci_release_regions(pdev
);
3158 pci_disable_device(pdev
);
3160 free_netdev(adapter
->netdev
);
3163 static int be_get_config(struct be_adapter
*adapter
)
3168 status
= be_cmd_get_fw_ver(adapter
, adapter
->fw_ver
);
3172 status
= be_cmd_query_fw_cfg(adapter
, &adapter
->port_num
,
3173 &adapter
->function_mode
, &adapter
->function_caps
);
3177 memset(mac
, 0, ETH_ALEN
);
3179 /* A default permanent address is given to each VF for Lancer*/
3180 if (be_physfn(adapter
) || lancer_chip(adapter
)) {
3181 status
= be_cmd_mac_addr_query(adapter
, mac
,
3182 MAC_ADDRESS_TYPE_NETWORK
, true /*permanent */, 0);
3187 if (!is_valid_ether_addr(mac
))
3188 return -EADDRNOTAVAIL
;
3190 memcpy(adapter
->netdev
->dev_addr
, mac
, ETH_ALEN
);
3191 memcpy(adapter
->netdev
->perm_addr
, mac
, ETH_ALEN
);
3194 if (adapter
->function_mode
& 0x400)
3195 adapter
->max_vlans
= BE_NUM_VLANS_SUPPORTED
/4;
3197 adapter
->max_vlans
= BE_NUM_VLANS_SUPPORTED
;
3199 status
= be_cmd_get_cntl_attributes(adapter
);
3203 be_cmd_check_native_mode(adapter
);
3205 if ((num_vfs
&& adapter
->sriov_enabled
) ||
3206 (adapter
->function_mode
& 0x400) ||
3207 lancer_chip(adapter
) || !be_physfn(adapter
)) {
3208 adapter
->num_tx_qs
= 1;
3209 netif_set_real_num_tx_queues(adapter
->netdev
,
3210 adapter
->num_tx_qs
);
3212 adapter
->num_tx_qs
= MAX_TX_QS
;
3218 static int be_dev_family_check(struct be_adapter
*adapter
)
3220 struct pci_dev
*pdev
= adapter
->pdev
;
3221 u32 sli_intf
= 0, if_type
;
3223 switch (pdev
->device
) {
3226 adapter
->generation
= BE_GEN2
;
3230 adapter
->generation
= BE_GEN3
;
3234 pci_read_config_dword(pdev
, SLI_INTF_REG_OFFSET
, &sli_intf
);
3235 if_type
= (sli_intf
& SLI_INTF_IF_TYPE_MASK
) >>
3236 SLI_INTF_IF_TYPE_SHIFT
;
3238 if (((sli_intf
& SLI_INTF_VALID_MASK
) != SLI_INTF_VALID
) ||
3240 dev_err(&pdev
->dev
, "SLI_INTF reg val is not valid\n");
3243 adapter
->sli_family
= ((sli_intf
& SLI_INTF_FAMILY_MASK
) >>
3244 SLI_INTF_FAMILY_SHIFT
);
3245 adapter
->generation
= BE_GEN3
;
3248 adapter
->generation
= 0;
3253 static int lancer_wait_ready(struct be_adapter
*adapter
)
3255 #define SLIPORT_READY_TIMEOUT 500
3259 for (i
= 0; i
< SLIPORT_READY_TIMEOUT
; i
++) {
3260 sliport_status
= ioread32(adapter
->db
+ SLIPORT_STATUS_OFFSET
);
3261 if (sliport_status
& SLIPORT_STATUS_RDY_MASK
)
3267 if (i
== SLIPORT_READY_TIMEOUT
)
3273 static int lancer_test_and_set_rdy_state(struct be_adapter
*adapter
)
3276 u32 sliport_status
, err
, reset_needed
;
3277 status
= lancer_wait_ready(adapter
);
3279 sliport_status
= ioread32(adapter
->db
+ SLIPORT_STATUS_OFFSET
);
3280 err
= sliport_status
& SLIPORT_STATUS_ERR_MASK
;
3281 reset_needed
= sliport_status
& SLIPORT_STATUS_RN_MASK
;
3282 if (err
&& reset_needed
) {
3283 iowrite32(SLI_PORT_CONTROL_IP_MASK
,
3284 adapter
->db
+ SLIPORT_CONTROL_OFFSET
);
3286 /* check adapter has corrected the error */
3287 status
= lancer_wait_ready(adapter
);
3288 sliport_status
= ioread32(adapter
->db
+
3289 SLIPORT_STATUS_OFFSET
);
3290 sliport_status
&= (SLIPORT_STATUS_ERR_MASK
|
3291 SLIPORT_STATUS_RN_MASK
);
3292 if (status
|| sliport_status
)
3294 } else if (err
|| reset_needed
) {
3301 static int __devinit
be_probe(struct pci_dev
*pdev
,
3302 const struct pci_device_id
*pdev_id
)
3305 struct be_adapter
*adapter
;
3306 struct net_device
*netdev
;
3308 status
= pci_enable_device(pdev
);
3312 status
= pci_request_regions(pdev
, DRV_NAME
);
3315 pci_set_master(pdev
);
3317 netdev
= alloc_etherdev_mq(sizeof(struct be_adapter
), MAX_TX_QS
);
3318 if (netdev
== NULL
) {
3322 adapter
= netdev_priv(netdev
);
3323 adapter
->pdev
= pdev
;
3324 pci_set_drvdata(pdev
, adapter
);
3326 status
= be_dev_family_check(adapter
);
3330 adapter
->netdev
= netdev
;
3331 SET_NETDEV_DEV(netdev
, &pdev
->dev
);
3333 status
= dma_set_mask(&pdev
->dev
, DMA_BIT_MASK(64));
3335 netdev
->features
|= NETIF_F_HIGHDMA
;
3337 status
= dma_set_mask(&pdev
->dev
, DMA_BIT_MASK(32));
3339 dev_err(&pdev
->dev
, "Could not set PCI DMA Mask\n");
3344 be_sriov_enable(adapter
);
3345 if (adapter
->sriov_enabled
) {
3346 adapter
->vf_cfg
= kcalloc(num_vfs
,
3347 sizeof(struct be_vf_cfg
), GFP_KERNEL
);
3349 if (!adapter
->vf_cfg
)
3353 status
= be_ctrl_init(adapter
);
3357 if (lancer_chip(adapter
)) {
3358 status
= lancer_test_and_set_rdy_state(adapter
);
3360 dev_err(&pdev
->dev
, "Adapter in non recoverable error\n");
3365 /* sync up with fw's ready state */
3366 if (be_physfn(adapter
)) {
3367 status
= be_cmd_POST(adapter
);
3372 /* tell fw we're ready to fire cmds */
3373 status
= be_cmd_fw_init(adapter
);
3377 status
= be_cmd_reset_function(adapter
);
3381 status
= be_stats_init(adapter
);
3385 status
= be_get_config(adapter
);
3389 be_msix_enable(adapter
);
3391 INIT_DELAYED_WORK(&adapter
->work
, be_worker
);
3393 status
= be_setup(adapter
);
3397 be_netdev_init(netdev
);
3398 status
= register_netdev(netdev
);
3401 netif_carrier_off(netdev
);
3403 if (be_physfn(adapter
) && adapter
->sriov_enabled
) {
3408 if (!lancer_chip(adapter
)) {
3409 status
= be_vf_eth_addr_config(adapter
);
3414 for (vf
= 0; vf
< num_vfs
; vf
++) {
3415 status
= be_cmd_link_status_query(adapter
, &link_up
,
3416 &mac_speed
, &lnk_speed
, vf
+ 1);
3418 adapter
->vf_cfg
[vf
].vf_tx_rate
= lnk_speed
* 10;
3424 dev_info(&pdev
->dev
, "%s port %d\n", nic_name(pdev
), adapter
->port_num
);
3426 schedule_delayed_work(&adapter
->work
, msecs_to_jiffies(100));
3430 unregister_netdev(netdev
);
3434 be_msix_disable(adapter
);
3436 be_stats_cleanup(adapter
);
3438 be_ctrl_cleanup(adapter
);
3440 kfree(adapter
->vf_cfg
);
3442 be_sriov_disable(adapter
);
3443 free_netdev(netdev
);
3444 pci_set_drvdata(pdev
, NULL
);
3446 pci_release_regions(pdev
);
3448 pci_disable_device(pdev
);
3450 dev_err(&pdev
->dev
, "%s initialization failed\n", nic_name(pdev
));
3454 static int be_suspend(struct pci_dev
*pdev
, pm_message_t state
)
3456 struct be_adapter
*adapter
= pci_get_drvdata(pdev
);
3457 struct net_device
*netdev
= adapter
->netdev
;
3459 cancel_delayed_work_sync(&adapter
->work
);
3461 be_setup_wol(adapter
, true);
3463 netif_device_detach(netdev
);
3464 if (netif_running(netdev
)) {
3469 be_cmd_get_flow_control(adapter
, &adapter
->tx_fc
, &adapter
->rx_fc
);
3472 be_msix_disable(adapter
);
3473 pci_save_state(pdev
);
3474 pci_disable_device(pdev
);
3475 pci_set_power_state(pdev
, pci_choose_state(pdev
, state
));
3479 static int be_resume(struct pci_dev
*pdev
)
3482 struct be_adapter
*adapter
= pci_get_drvdata(pdev
);
3483 struct net_device
*netdev
= adapter
->netdev
;
3485 netif_device_detach(netdev
);
3487 status
= pci_enable_device(pdev
);
3491 pci_set_power_state(pdev
, 0);
3492 pci_restore_state(pdev
);
3494 be_msix_enable(adapter
);
3495 /* tell fw we're ready to fire cmds */
3496 status
= be_cmd_fw_init(adapter
);
3501 if (netif_running(netdev
)) {
3506 netif_device_attach(netdev
);
3509 be_setup_wol(adapter
, false);
3511 schedule_delayed_work(&adapter
->work
, msecs_to_jiffies(100));
3516 * An FLR will stop BE from DMAing any data.
3518 static void be_shutdown(struct pci_dev
*pdev
)
3520 struct be_adapter
*adapter
= pci_get_drvdata(pdev
);
3525 cancel_delayed_work_sync(&adapter
->work
);
3527 netif_device_detach(adapter
->netdev
);
3530 be_setup_wol(adapter
, true);
3532 be_cmd_reset_function(adapter
);
3534 pci_disable_device(pdev
);
3537 static pci_ers_result_t
be_eeh_err_detected(struct pci_dev
*pdev
,
3538 pci_channel_state_t state
)
3540 struct be_adapter
*adapter
= pci_get_drvdata(pdev
);
3541 struct net_device
*netdev
= adapter
->netdev
;
3543 dev_err(&adapter
->pdev
->dev
, "EEH error detected\n");
3545 adapter
->eeh_err
= true;
3547 netif_device_detach(netdev
);
3549 if (netif_running(netdev
)) {
3556 if (state
== pci_channel_io_perm_failure
)
3557 return PCI_ERS_RESULT_DISCONNECT
;
3559 pci_disable_device(pdev
);
3561 return PCI_ERS_RESULT_NEED_RESET
;
3564 static pci_ers_result_t
be_eeh_reset(struct pci_dev
*pdev
)
3566 struct be_adapter
*adapter
= pci_get_drvdata(pdev
);
3569 dev_info(&adapter
->pdev
->dev
, "EEH reset\n");
3570 adapter
->eeh_err
= false;
3572 status
= pci_enable_device(pdev
);
3574 return PCI_ERS_RESULT_DISCONNECT
;
3576 pci_set_master(pdev
);
3577 pci_set_power_state(pdev
, 0);
3578 pci_restore_state(pdev
);
3580 /* Check if card is ok and fw is ready */
3581 status
= be_cmd_POST(adapter
);
3583 return PCI_ERS_RESULT_DISCONNECT
;
3585 return PCI_ERS_RESULT_RECOVERED
;
3588 static void be_eeh_resume(struct pci_dev
*pdev
)
3591 struct be_adapter
*adapter
= pci_get_drvdata(pdev
);
3592 struct net_device
*netdev
= adapter
->netdev
;
3594 dev_info(&adapter
->pdev
->dev
, "EEH resume\n");
3596 pci_save_state(pdev
);
3598 /* tell fw we're ready to fire cmds */
3599 status
= be_cmd_fw_init(adapter
);
3603 status
= be_setup(adapter
);
3607 if (netif_running(netdev
)) {
3608 status
= be_open(netdev
);
3612 netif_device_attach(netdev
);
3615 dev_err(&adapter
->pdev
->dev
, "EEH resume failed\n");
3618 static struct pci_error_handlers be_eeh_handlers
= {
3619 .error_detected
= be_eeh_err_detected
,
3620 .slot_reset
= be_eeh_reset
,
3621 .resume
= be_eeh_resume
,
3624 static struct pci_driver be_driver
= {
3626 .id_table
= be_dev_ids
,
3628 .remove
= be_remove
,
3629 .suspend
= be_suspend
,
3630 .resume
= be_resume
,
3631 .shutdown
= be_shutdown
,
3632 .err_handler
= &be_eeh_handlers
3635 static int __init
be_init_module(void)
3637 if (rx_frag_size
!= 8192 && rx_frag_size
!= 4096 &&
3638 rx_frag_size
!= 2048) {
3639 printk(KERN_WARNING DRV_NAME
3640 " : Module param rx_frag_size must be 2048/4096/8192."
3642 rx_frag_size
= 2048;
3645 return pci_register_driver(&be_driver
);
3647 module_init(be_init_module
);
3649 static void __exit
be_exit_module(void)
3651 pci_unregister_driver(&be_driver
);
3653 module_exit(be_exit_module
);