2 * Copyright (C) 2005 - 2014 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>
19 #include <linux/module.h>
22 #include <asm/div64.h>
23 #include <linux/aer.h>
24 #include <linux/if_bridge.h>
25 #include <net/busy_poll.h>
26 #include <net/vxlan.h>
28 MODULE_VERSION(DRV_VER
);
29 MODULE_DEVICE_TABLE(pci
, be_dev_ids
);
30 MODULE_DESCRIPTION(DRV_DESC
" " DRV_VER
);
31 MODULE_AUTHOR("Emulex Corporation");
32 MODULE_LICENSE("GPL");
34 static unsigned int num_vfs
;
35 module_param(num_vfs
, uint
, S_IRUGO
);
36 MODULE_PARM_DESC(num_vfs
, "Number of PCI VFs to initialize");
38 static ushort rx_frag_size
= 2048;
39 module_param(rx_frag_size
, ushort
, S_IRUGO
);
40 MODULE_PARM_DESC(rx_frag_size
, "Size of a fragment that holds rcvd data.");
42 static DEFINE_PCI_DEVICE_TABLE(be_dev_ids
) = {
43 { PCI_DEVICE(BE_VENDOR_ID
, BE_DEVICE_ID1
) },
44 { PCI_DEVICE(BE_VENDOR_ID
, BE_DEVICE_ID2
) },
45 { PCI_DEVICE(BE_VENDOR_ID
, OC_DEVICE_ID1
) },
46 { PCI_DEVICE(BE_VENDOR_ID
, OC_DEVICE_ID2
) },
47 { PCI_DEVICE(EMULEX_VENDOR_ID
, OC_DEVICE_ID3
)},
48 { PCI_DEVICE(EMULEX_VENDOR_ID
, OC_DEVICE_ID4
)},
49 { PCI_DEVICE(EMULEX_VENDOR_ID
, OC_DEVICE_ID5
)},
50 { PCI_DEVICE(EMULEX_VENDOR_ID
, OC_DEVICE_ID6
)},
53 MODULE_DEVICE_TABLE(pci
, be_dev_ids
);
54 /* UE Status Low CSR */
55 static const char * const ue_status_low_desc
[] = {
89 /* UE Status High CSR */
90 static const char * const ue_status_hi_desc
[] = {
126 static void be_queue_free(struct be_adapter
*adapter
, struct be_queue_info
*q
)
128 struct be_dma_mem
*mem
= &q
->dma_mem
;
130 dma_free_coherent(&adapter
->pdev
->dev
, mem
->size
, mem
->va
,
136 static int be_queue_alloc(struct be_adapter
*adapter
, struct be_queue_info
*q
,
137 u16 len
, u16 entry_size
)
139 struct be_dma_mem
*mem
= &q
->dma_mem
;
141 memset(q
, 0, sizeof(*q
));
143 q
->entry_size
= entry_size
;
144 mem
->size
= len
* entry_size
;
145 mem
->va
= dma_zalloc_coherent(&adapter
->pdev
->dev
, mem
->size
, &mem
->dma
,
152 static void be_reg_intr_set(struct be_adapter
*adapter
, bool enable
)
156 pci_read_config_dword(adapter
->pdev
, PCICFG_MEMBAR_CTRL_INT_CTRL_OFFSET
,
158 enabled
= reg
& MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK
;
160 if (!enabled
&& enable
)
161 reg
|= MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK
;
162 else if (enabled
&& !enable
)
163 reg
&= ~MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK
;
167 pci_write_config_dword(adapter
->pdev
,
168 PCICFG_MEMBAR_CTRL_INT_CTRL_OFFSET
, reg
);
171 static void be_intr_set(struct be_adapter
*adapter
, bool enable
)
175 /* On lancer interrupts can't be controlled via this register */
176 if (lancer_chip(adapter
))
179 if (adapter
->eeh_error
)
182 status
= be_cmd_intr_set(adapter
, enable
);
184 be_reg_intr_set(adapter
, enable
);
187 static void be_rxq_notify(struct be_adapter
*adapter
, u16 qid
, u16 posted
)
190 val
|= qid
& DB_RQ_RING_ID_MASK
;
191 val
|= posted
<< DB_RQ_NUM_POSTED_SHIFT
;
194 iowrite32(val
, adapter
->db
+ DB_RQ_OFFSET
);
197 static void be_txq_notify(struct be_adapter
*adapter
, struct be_tx_obj
*txo
,
201 val
|= txo
->q
.id
& DB_TXULP_RING_ID_MASK
;
202 val
|= (posted
& DB_TXULP_NUM_POSTED_MASK
) << DB_TXULP_NUM_POSTED_SHIFT
;
205 iowrite32(val
, adapter
->db
+ txo
->db_offset
);
208 static void be_eq_notify(struct be_adapter
*adapter
, u16 qid
,
209 bool arm
, bool clear_int
, u16 num_popped
)
212 val
|= qid
& DB_EQ_RING_ID_MASK
;
213 val
|= ((qid
& DB_EQ_RING_ID_EXT_MASK
) << DB_EQ_RING_ID_EXT_MASK_SHIFT
);
215 if (adapter
->eeh_error
)
219 val
|= 1 << DB_EQ_REARM_SHIFT
;
221 val
|= 1 << DB_EQ_CLR_SHIFT
;
222 val
|= 1 << DB_EQ_EVNT_SHIFT
;
223 val
|= num_popped
<< DB_EQ_NUM_POPPED_SHIFT
;
224 iowrite32(val
, adapter
->db
+ DB_EQ_OFFSET
);
227 void be_cq_notify(struct be_adapter
*adapter
, u16 qid
, bool arm
, u16 num_popped
)
230 val
|= qid
& DB_CQ_RING_ID_MASK
;
231 val
|= ((qid
& DB_CQ_RING_ID_EXT_MASK
) <<
232 DB_CQ_RING_ID_EXT_MASK_SHIFT
);
234 if (adapter
->eeh_error
)
238 val
|= 1 << DB_CQ_REARM_SHIFT
;
239 val
|= num_popped
<< DB_CQ_NUM_POPPED_SHIFT
;
240 iowrite32(val
, adapter
->db
+ DB_CQ_OFFSET
);
243 static int be_mac_addr_set(struct net_device
*netdev
, void *p
)
245 struct be_adapter
*adapter
= netdev_priv(netdev
);
246 struct device
*dev
= &adapter
->pdev
->dev
;
247 struct sockaddr
*addr
= p
;
250 u32 old_pmac_id
= adapter
->pmac_id
[0], curr_pmac_id
= 0;
252 if (!is_valid_ether_addr(addr
->sa_data
))
253 return -EADDRNOTAVAIL
;
255 /* Proceed further only if, User provided MAC is different
258 if (ether_addr_equal(addr
->sa_data
, netdev
->dev_addr
))
261 /* The PMAC_ADD cmd may fail if the VF doesn't have FILTMGMT
262 * privilege or if PF did not provision the new MAC address.
263 * On BE3, this cmd will always fail if the VF doesn't have the
264 * FILTMGMT privilege. This failure is OK, only if the PF programmed
265 * the MAC for the VF.
267 status
= be_cmd_pmac_add(adapter
, (u8
*)addr
->sa_data
,
268 adapter
->if_handle
, &adapter
->pmac_id
[0], 0);
270 curr_pmac_id
= adapter
->pmac_id
[0];
272 /* Delete the old programmed MAC. This call may fail if the
273 * old MAC was already deleted by the PF driver.
275 if (adapter
->pmac_id
[0] != old_pmac_id
)
276 be_cmd_pmac_del(adapter
, adapter
->if_handle
,
280 /* Decide if the new MAC is successfully activated only after
283 status
= be_cmd_get_active_mac(adapter
, curr_pmac_id
, mac
,
284 adapter
->if_handle
, true, 0);
288 /* The MAC change did not happen, either due to lack of privilege
289 * or PF didn't pre-provision.
291 if (!ether_addr_equal(addr
->sa_data
, mac
)) {
296 memcpy(netdev
->dev_addr
, addr
->sa_data
, netdev
->addr_len
);
297 dev_info(dev
, "MAC address changed to %pM\n", mac
);
300 dev_warn(dev
, "MAC address change to %pM failed\n", addr
->sa_data
);
304 /* BE2 supports only v0 cmd */
305 static void *hw_stats_from_cmd(struct be_adapter
*adapter
)
307 if (BE2_chip(adapter
)) {
308 struct be_cmd_resp_get_stats_v0
*cmd
= adapter
->stats_cmd
.va
;
310 return &cmd
->hw_stats
;
311 } else if (BE3_chip(adapter
)) {
312 struct be_cmd_resp_get_stats_v1
*cmd
= adapter
->stats_cmd
.va
;
314 return &cmd
->hw_stats
;
316 struct be_cmd_resp_get_stats_v2
*cmd
= adapter
->stats_cmd
.va
;
318 return &cmd
->hw_stats
;
322 /* BE2 supports only v0 cmd */
323 static void *be_erx_stats_from_cmd(struct be_adapter
*adapter
)
325 if (BE2_chip(adapter
)) {
326 struct be_hw_stats_v0
*hw_stats
= hw_stats_from_cmd(adapter
);
328 return &hw_stats
->erx
;
329 } else if (BE3_chip(adapter
)) {
330 struct be_hw_stats_v1
*hw_stats
= hw_stats_from_cmd(adapter
);
332 return &hw_stats
->erx
;
334 struct be_hw_stats_v2
*hw_stats
= hw_stats_from_cmd(adapter
);
336 return &hw_stats
->erx
;
340 static void populate_be_v0_stats(struct be_adapter
*adapter
)
342 struct be_hw_stats_v0
*hw_stats
= hw_stats_from_cmd(adapter
);
343 struct be_pmem_stats
*pmem_sts
= &hw_stats
->pmem
;
344 struct be_rxf_stats_v0
*rxf_stats
= &hw_stats
->rxf
;
345 struct be_port_rxf_stats_v0
*port_stats
=
346 &rxf_stats
->port
[adapter
->port_num
];
347 struct be_drv_stats
*drvs
= &adapter
->drv_stats
;
349 be_dws_le_to_cpu(hw_stats
, sizeof(*hw_stats
));
350 drvs
->rx_pause_frames
= port_stats
->rx_pause_frames
;
351 drvs
->rx_crc_errors
= port_stats
->rx_crc_errors
;
352 drvs
->rx_control_frames
= port_stats
->rx_control_frames
;
353 drvs
->rx_in_range_errors
= port_stats
->rx_in_range_errors
;
354 drvs
->rx_frame_too_long
= port_stats
->rx_frame_too_long
;
355 drvs
->rx_dropped_runt
= port_stats
->rx_dropped_runt
;
356 drvs
->rx_ip_checksum_errs
= port_stats
->rx_ip_checksum_errs
;
357 drvs
->rx_tcp_checksum_errs
= port_stats
->rx_tcp_checksum_errs
;
358 drvs
->rx_udp_checksum_errs
= port_stats
->rx_udp_checksum_errs
;
359 drvs
->rxpp_fifo_overflow_drop
= port_stats
->rx_fifo_overflow
;
360 drvs
->rx_dropped_tcp_length
= port_stats
->rx_dropped_tcp_length
;
361 drvs
->rx_dropped_too_small
= port_stats
->rx_dropped_too_small
;
362 drvs
->rx_dropped_too_short
= port_stats
->rx_dropped_too_short
;
363 drvs
->rx_out_range_errors
= port_stats
->rx_out_range_errors
;
364 drvs
->rx_input_fifo_overflow_drop
= port_stats
->rx_input_fifo_overflow
;
365 drvs
->rx_dropped_header_too_small
=
366 port_stats
->rx_dropped_header_too_small
;
367 drvs
->rx_address_filtered
=
368 port_stats
->rx_address_filtered
+
369 port_stats
->rx_vlan_filtered
;
370 drvs
->rx_alignment_symbol_errors
=
371 port_stats
->rx_alignment_symbol_errors
;
373 drvs
->tx_pauseframes
= port_stats
->tx_pauseframes
;
374 drvs
->tx_controlframes
= port_stats
->tx_controlframes
;
376 if (adapter
->port_num
)
377 drvs
->jabber_events
= rxf_stats
->port1_jabber_events
;
379 drvs
->jabber_events
= rxf_stats
->port0_jabber_events
;
380 drvs
->rx_drops_no_pbuf
= rxf_stats
->rx_drops_no_pbuf
;
381 drvs
->rx_drops_no_erx_descr
= rxf_stats
->rx_drops_no_erx_descr
;
382 drvs
->forwarded_packets
= rxf_stats
->forwarded_packets
;
383 drvs
->rx_drops_mtu
= rxf_stats
->rx_drops_mtu
;
384 drvs
->rx_drops_no_tpre_descr
= rxf_stats
->rx_drops_no_tpre_descr
;
385 drvs
->rx_drops_too_many_frags
= rxf_stats
->rx_drops_too_many_frags
;
386 adapter
->drv_stats
.eth_red_drops
= pmem_sts
->eth_red_drops
;
389 static void populate_be_v1_stats(struct be_adapter
*adapter
)
391 struct be_hw_stats_v1
*hw_stats
= hw_stats_from_cmd(adapter
);
392 struct be_pmem_stats
*pmem_sts
= &hw_stats
->pmem
;
393 struct be_rxf_stats_v1
*rxf_stats
= &hw_stats
->rxf
;
394 struct be_port_rxf_stats_v1
*port_stats
=
395 &rxf_stats
->port
[adapter
->port_num
];
396 struct be_drv_stats
*drvs
= &adapter
->drv_stats
;
398 be_dws_le_to_cpu(hw_stats
, sizeof(*hw_stats
));
399 drvs
->pmem_fifo_overflow_drop
= port_stats
->pmem_fifo_overflow_drop
;
400 drvs
->rx_priority_pause_frames
= port_stats
->rx_priority_pause_frames
;
401 drvs
->rx_pause_frames
= port_stats
->rx_pause_frames
;
402 drvs
->rx_crc_errors
= port_stats
->rx_crc_errors
;
403 drvs
->rx_control_frames
= port_stats
->rx_control_frames
;
404 drvs
->rx_in_range_errors
= port_stats
->rx_in_range_errors
;
405 drvs
->rx_frame_too_long
= port_stats
->rx_frame_too_long
;
406 drvs
->rx_dropped_runt
= port_stats
->rx_dropped_runt
;
407 drvs
->rx_ip_checksum_errs
= port_stats
->rx_ip_checksum_errs
;
408 drvs
->rx_tcp_checksum_errs
= port_stats
->rx_tcp_checksum_errs
;
409 drvs
->rx_udp_checksum_errs
= port_stats
->rx_udp_checksum_errs
;
410 drvs
->rx_dropped_tcp_length
= port_stats
->rx_dropped_tcp_length
;
411 drvs
->rx_dropped_too_small
= port_stats
->rx_dropped_too_small
;
412 drvs
->rx_dropped_too_short
= port_stats
->rx_dropped_too_short
;
413 drvs
->rx_out_range_errors
= port_stats
->rx_out_range_errors
;
414 drvs
->rx_dropped_header_too_small
=
415 port_stats
->rx_dropped_header_too_small
;
416 drvs
->rx_input_fifo_overflow_drop
=
417 port_stats
->rx_input_fifo_overflow_drop
;
418 drvs
->rx_address_filtered
= port_stats
->rx_address_filtered
;
419 drvs
->rx_alignment_symbol_errors
=
420 port_stats
->rx_alignment_symbol_errors
;
421 drvs
->rxpp_fifo_overflow_drop
= port_stats
->rxpp_fifo_overflow_drop
;
422 drvs
->tx_pauseframes
= port_stats
->tx_pauseframes
;
423 drvs
->tx_controlframes
= port_stats
->tx_controlframes
;
424 drvs
->tx_priority_pauseframes
= port_stats
->tx_priority_pauseframes
;
425 drvs
->jabber_events
= port_stats
->jabber_events
;
426 drvs
->rx_drops_no_pbuf
= rxf_stats
->rx_drops_no_pbuf
;
427 drvs
->rx_drops_no_erx_descr
= rxf_stats
->rx_drops_no_erx_descr
;
428 drvs
->forwarded_packets
= rxf_stats
->forwarded_packets
;
429 drvs
->rx_drops_mtu
= rxf_stats
->rx_drops_mtu
;
430 drvs
->rx_drops_no_tpre_descr
= rxf_stats
->rx_drops_no_tpre_descr
;
431 drvs
->rx_drops_too_many_frags
= rxf_stats
->rx_drops_too_many_frags
;
432 adapter
->drv_stats
.eth_red_drops
= pmem_sts
->eth_red_drops
;
435 static void populate_be_v2_stats(struct be_adapter
*adapter
)
437 struct be_hw_stats_v2
*hw_stats
= hw_stats_from_cmd(adapter
);
438 struct be_pmem_stats
*pmem_sts
= &hw_stats
->pmem
;
439 struct be_rxf_stats_v2
*rxf_stats
= &hw_stats
->rxf
;
440 struct be_port_rxf_stats_v2
*port_stats
=
441 &rxf_stats
->port
[adapter
->port_num
];
442 struct be_drv_stats
*drvs
= &adapter
->drv_stats
;
444 be_dws_le_to_cpu(hw_stats
, sizeof(*hw_stats
));
445 drvs
->pmem_fifo_overflow_drop
= port_stats
->pmem_fifo_overflow_drop
;
446 drvs
->rx_priority_pause_frames
= port_stats
->rx_priority_pause_frames
;
447 drvs
->rx_pause_frames
= port_stats
->rx_pause_frames
;
448 drvs
->rx_crc_errors
= port_stats
->rx_crc_errors
;
449 drvs
->rx_control_frames
= port_stats
->rx_control_frames
;
450 drvs
->rx_in_range_errors
= port_stats
->rx_in_range_errors
;
451 drvs
->rx_frame_too_long
= port_stats
->rx_frame_too_long
;
452 drvs
->rx_dropped_runt
= port_stats
->rx_dropped_runt
;
453 drvs
->rx_ip_checksum_errs
= port_stats
->rx_ip_checksum_errs
;
454 drvs
->rx_tcp_checksum_errs
= port_stats
->rx_tcp_checksum_errs
;
455 drvs
->rx_udp_checksum_errs
= port_stats
->rx_udp_checksum_errs
;
456 drvs
->rx_dropped_tcp_length
= port_stats
->rx_dropped_tcp_length
;
457 drvs
->rx_dropped_too_small
= port_stats
->rx_dropped_too_small
;
458 drvs
->rx_dropped_too_short
= port_stats
->rx_dropped_too_short
;
459 drvs
->rx_out_range_errors
= port_stats
->rx_out_range_errors
;
460 drvs
->rx_dropped_header_too_small
=
461 port_stats
->rx_dropped_header_too_small
;
462 drvs
->rx_input_fifo_overflow_drop
=
463 port_stats
->rx_input_fifo_overflow_drop
;
464 drvs
->rx_address_filtered
= port_stats
->rx_address_filtered
;
465 drvs
->rx_alignment_symbol_errors
=
466 port_stats
->rx_alignment_symbol_errors
;
467 drvs
->rxpp_fifo_overflow_drop
= port_stats
->rxpp_fifo_overflow_drop
;
468 drvs
->tx_pauseframes
= port_stats
->tx_pauseframes
;
469 drvs
->tx_controlframes
= port_stats
->tx_controlframes
;
470 drvs
->tx_priority_pauseframes
= port_stats
->tx_priority_pauseframes
;
471 drvs
->jabber_events
= port_stats
->jabber_events
;
472 drvs
->rx_drops_no_pbuf
= rxf_stats
->rx_drops_no_pbuf
;
473 drvs
->rx_drops_no_erx_descr
= rxf_stats
->rx_drops_no_erx_descr
;
474 drvs
->forwarded_packets
= rxf_stats
->forwarded_packets
;
475 drvs
->rx_drops_mtu
= rxf_stats
->rx_drops_mtu
;
476 drvs
->rx_drops_no_tpre_descr
= rxf_stats
->rx_drops_no_tpre_descr
;
477 drvs
->rx_drops_too_many_frags
= rxf_stats
->rx_drops_too_many_frags
;
478 adapter
->drv_stats
.eth_red_drops
= pmem_sts
->eth_red_drops
;
479 if (be_roce_supported(adapter
)) {
480 drvs
->rx_roce_bytes_lsd
= port_stats
->roce_bytes_received_lsd
;
481 drvs
->rx_roce_bytes_msd
= port_stats
->roce_bytes_received_msd
;
482 drvs
->rx_roce_frames
= port_stats
->roce_frames_received
;
483 drvs
->roce_drops_crc
= port_stats
->roce_drops_crc
;
484 drvs
->roce_drops_payload_len
=
485 port_stats
->roce_drops_payload_len
;
489 static void populate_lancer_stats(struct be_adapter
*adapter
)
492 struct be_drv_stats
*drvs
= &adapter
->drv_stats
;
493 struct lancer_pport_stats
*pport_stats
= pport_stats_from_cmd(adapter
);
495 be_dws_le_to_cpu(pport_stats
, sizeof(*pport_stats
));
496 drvs
->rx_pause_frames
= pport_stats
->rx_pause_frames_lo
;
497 drvs
->rx_crc_errors
= pport_stats
->rx_crc_errors_lo
;
498 drvs
->rx_control_frames
= pport_stats
->rx_control_frames_lo
;
499 drvs
->rx_in_range_errors
= pport_stats
->rx_in_range_errors
;
500 drvs
->rx_frame_too_long
= pport_stats
->rx_frames_too_long_lo
;
501 drvs
->rx_dropped_runt
= pport_stats
->rx_dropped_runt
;
502 drvs
->rx_ip_checksum_errs
= pport_stats
->rx_ip_checksum_errors
;
503 drvs
->rx_tcp_checksum_errs
= pport_stats
->rx_tcp_checksum_errors
;
504 drvs
->rx_udp_checksum_errs
= pport_stats
->rx_udp_checksum_errors
;
505 drvs
->rx_dropped_tcp_length
=
506 pport_stats
->rx_dropped_invalid_tcp_length
;
507 drvs
->rx_dropped_too_small
= pport_stats
->rx_dropped_too_small
;
508 drvs
->rx_dropped_too_short
= pport_stats
->rx_dropped_too_short
;
509 drvs
->rx_out_range_errors
= pport_stats
->rx_out_of_range_errors
;
510 drvs
->rx_dropped_header_too_small
=
511 pport_stats
->rx_dropped_header_too_small
;
512 drvs
->rx_input_fifo_overflow_drop
= pport_stats
->rx_fifo_overflow
;
513 drvs
->rx_address_filtered
=
514 pport_stats
->rx_address_filtered
+
515 pport_stats
->rx_vlan_filtered
;
516 drvs
->rx_alignment_symbol_errors
= pport_stats
->rx_symbol_errors_lo
;
517 drvs
->rxpp_fifo_overflow_drop
= pport_stats
->rx_fifo_overflow
;
518 drvs
->tx_pauseframes
= pport_stats
->tx_pause_frames_lo
;
519 drvs
->tx_controlframes
= pport_stats
->tx_control_frames_lo
;
520 drvs
->jabber_events
= pport_stats
->rx_jabbers
;
521 drvs
->forwarded_packets
= pport_stats
->num_forwards_lo
;
522 drvs
->rx_drops_mtu
= pport_stats
->rx_drops_mtu_lo
;
523 drvs
->rx_drops_too_many_frags
=
524 pport_stats
->rx_drops_too_many_frags_lo
;
527 static void accumulate_16bit_val(u32
*acc
, u16 val
)
529 #define lo(x) (x & 0xFFFF)
530 #define hi(x) (x & 0xFFFF0000)
531 bool wrapped
= val
< lo(*acc
);
532 u32 newacc
= hi(*acc
) + val
;
536 ACCESS_ONCE(*acc
) = newacc
;
539 static void populate_erx_stats(struct be_adapter
*adapter
,
540 struct be_rx_obj
*rxo
, u32 erx_stat
)
542 if (!BEx_chip(adapter
))
543 rx_stats(rxo
)->rx_drops_no_frags
= erx_stat
;
545 /* below erx HW counter can actually wrap around after
546 * 65535. Driver accumulates a 32-bit value
548 accumulate_16bit_val(&rx_stats(rxo
)->rx_drops_no_frags
,
552 void be_parse_stats(struct be_adapter
*adapter
)
554 struct be_erx_stats_v2
*erx
= be_erx_stats_from_cmd(adapter
);
555 struct be_rx_obj
*rxo
;
559 if (lancer_chip(adapter
)) {
560 populate_lancer_stats(adapter
);
562 if (BE2_chip(adapter
))
563 populate_be_v0_stats(adapter
);
564 else if (BE3_chip(adapter
))
566 populate_be_v1_stats(adapter
);
568 populate_be_v2_stats(adapter
);
570 /* erx_v2 is longer than v0, v1. use v2 for v0, v1 access */
571 for_all_rx_queues(adapter
, rxo
, i
) {
572 erx_stat
= erx
->rx_drops_no_fragments
[rxo
->q
.id
];
573 populate_erx_stats(adapter
, rxo
, erx_stat
);
578 static struct rtnl_link_stats64
*be_get_stats64(struct net_device
*netdev
,
579 struct rtnl_link_stats64
*stats
)
581 struct be_adapter
*adapter
= netdev_priv(netdev
);
582 struct be_drv_stats
*drvs
= &adapter
->drv_stats
;
583 struct be_rx_obj
*rxo
;
584 struct be_tx_obj
*txo
;
589 for_all_rx_queues(adapter
, rxo
, i
) {
590 const struct be_rx_stats
*rx_stats
= rx_stats(rxo
);
592 start
= u64_stats_fetch_begin_irq(&rx_stats
->sync
);
593 pkts
= rx_stats(rxo
)->rx_pkts
;
594 bytes
= rx_stats(rxo
)->rx_bytes
;
595 } while (u64_stats_fetch_retry_irq(&rx_stats
->sync
, start
));
596 stats
->rx_packets
+= pkts
;
597 stats
->rx_bytes
+= bytes
;
598 stats
->multicast
+= rx_stats(rxo
)->rx_mcast_pkts
;
599 stats
->rx_dropped
+= rx_stats(rxo
)->rx_drops_no_skbs
+
600 rx_stats(rxo
)->rx_drops_no_frags
;
603 for_all_tx_queues(adapter
, txo
, i
) {
604 const struct be_tx_stats
*tx_stats
= tx_stats(txo
);
606 start
= u64_stats_fetch_begin_irq(&tx_stats
->sync
);
607 pkts
= tx_stats(txo
)->tx_pkts
;
608 bytes
= tx_stats(txo
)->tx_bytes
;
609 } while (u64_stats_fetch_retry_irq(&tx_stats
->sync
, start
));
610 stats
->tx_packets
+= pkts
;
611 stats
->tx_bytes
+= bytes
;
614 /* bad pkts received */
615 stats
->rx_errors
= drvs
->rx_crc_errors
+
616 drvs
->rx_alignment_symbol_errors
+
617 drvs
->rx_in_range_errors
+
618 drvs
->rx_out_range_errors
+
619 drvs
->rx_frame_too_long
+
620 drvs
->rx_dropped_too_small
+
621 drvs
->rx_dropped_too_short
+
622 drvs
->rx_dropped_header_too_small
+
623 drvs
->rx_dropped_tcp_length
+
624 drvs
->rx_dropped_runt
;
626 /* detailed rx errors */
627 stats
->rx_length_errors
= drvs
->rx_in_range_errors
+
628 drvs
->rx_out_range_errors
+
629 drvs
->rx_frame_too_long
;
631 stats
->rx_crc_errors
= drvs
->rx_crc_errors
;
633 /* frame alignment errors */
634 stats
->rx_frame_errors
= drvs
->rx_alignment_symbol_errors
;
636 /* receiver fifo overrun */
637 /* drops_no_pbuf is no per i/f, it's per BE card */
638 stats
->rx_fifo_errors
= drvs
->rxpp_fifo_overflow_drop
+
639 drvs
->rx_input_fifo_overflow_drop
+
640 drvs
->rx_drops_no_pbuf
;
644 void be_link_status_update(struct be_adapter
*adapter
, u8 link_status
)
646 struct net_device
*netdev
= adapter
->netdev
;
648 if (!(adapter
->flags
& BE_FLAGS_LINK_STATUS_INIT
)) {
649 netif_carrier_off(netdev
);
650 adapter
->flags
|= BE_FLAGS_LINK_STATUS_INIT
;
654 netif_carrier_on(netdev
);
656 netif_carrier_off(netdev
);
659 static void be_tx_stats_update(struct be_tx_obj
*txo
,
660 u32 wrb_cnt
, u32 copied
, u32 gso_segs
,
663 struct be_tx_stats
*stats
= tx_stats(txo
);
665 u64_stats_update_begin(&stats
->sync
);
667 stats
->tx_wrbs
+= wrb_cnt
;
668 stats
->tx_bytes
+= copied
;
669 stats
->tx_pkts
+= (gso_segs
? gso_segs
: 1);
672 u64_stats_update_end(&stats
->sync
);
675 /* Determine number of WRB entries needed to xmit data in an skb */
676 static u32
wrb_cnt_for_skb(struct be_adapter
*adapter
, struct sk_buff
*skb
,
679 int cnt
= (skb
->len
> skb
->data_len
);
681 cnt
+= skb_shinfo(skb
)->nr_frags
;
683 /* to account for hdr wrb */
685 if (lancer_chip(adapter
) || !(cnt
& 1)) {
688 /* add a dummy to make it an even num */
692 BUG_ON(cnt
> BE_MAX_TX_FRAG_COUNT
);
696 static inline void wrb_fill(struct be_eth_wrb
*wrb
, u64 addr
, int len
)
698 wrb
->frag_pa_hi
= upper_32_bits(addr
);
699 wrb
->frag_pa_lo
= addr
& 0xFFFFFFFF;
700 wrb
->frag_len
= len
& ETH_WRB_FRAG_LEN_MASK
;
704 static inline u16
be_get_tx_vlan_tag(struct be_adapter
*adapter
,
710 vlan_tag
= vlan_tx_tag_get(skb
);
711 vlan_prio
= (vlan_tag
& VLAN_PRIO_MASK
) >> VLAN_PRIO_SHIFT
;
712 /* If vlan priority provided by OS is NOT in available bmap */
713 if (!(adapter
->vlan_prio_bmap
& (1 << vlan_prio
)))
714 vlan_tag
= (vlan_tag
& ~VLAN_PRIO_MASK
) |
715 adapter
->recommended_prio
;
720 /* Used only for IP tunnel packets */
721 static u16
skb_inner_ip_proto(struct sk_buff
*skb
)
723 return (inner_ip_hdr(skb
)->version
== 4) ?
724 inner_ip_hdr(skb
)->protocol
: inner_ipv6_hdr(skb
)->nexthdr
;
727 static u16
skb_ip_proto(struct sk_buff
*skb
)
729 return (ip_hdr(skb
)->version
== 4) ?
730 ip_hdr(skb
)->protocol
: ipv6_hdr(skb
)->nexthdr
;
733 static void wrb_fill_hdr(struct be_adapter
*adapter
, struct be_eth_hdr_wrb
*hdr
,
734 struct sk_buff
*skb
, u32 wrb_cnt
, u32 len
,
739 memset(hdr
, 0, sizeof(*hdr
));
741 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, crc
, hdr
, 1);
743 if (skb_is_gso(skb
)) {
744 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, lso
, hdr
, 1);
745 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, lso_mss
,
746 hdr
, skb_shinfo(skb
)->gso_size
);
747 if (skb_is_gso_v6(skb
) && !lancer_chip(adapter
))
748 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, lso6
, hdr
, 1);
749 } else if (skb
->ip_summed
== CHECKSUM_PARTIAL
) {
750 if (skb
->encapsulation
) {
751 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, ipcs
, hdr
, 1);
752 proto
= skb_inner_ip_proto(skb
);
754 proto
= skb_ip_proto(skb
);
756 if (proto
== IPPROTO_TCP
)
757 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, tcpcs
, hdr
, 1);
758 else if (proto
== IPPROTO_UDP
)
759 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, udpcs
, hdr
, 1);
762 if (vlan_tx_tag_present(skb
)) {
763 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, vlan
, hdr
, 1);
764 vlan_tag
= be_get_tx_vlan_tag(adapter
, skb
);
765 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, vlan_tag
, hdr
, vlan_tag
);
768 /* To skip HW VLAN tagging: evt = 1, compl = 0 */
769 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, complete
, hdr
, !skip_hw_vlan
);
770 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, event
, hdr
, 1);
771 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, num_wrb
, hdr
, wrb_cnt
);
772 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, len
, hdr
, len
);
775 static void unmap_tx_frag(struct device
*dev
, struct be_eth_wrb
*wrb
,
780 be_dws_le_to_cpu(wrb
, sizeof(*wrb
));
782 dma
= (u64
)wrb
->frag_pa_hi
<< 32 | (u64
)wrb
->frag_pa_lo
;
785 dma_unmap_single(dev
, dma
, wrb
->frag_len
,
788 dma_unmap_page(dev
, dma
, wrb
->frag_len
, DMA_TO_DEVICE
);
792 static int make_tx_wrbs(struct be_adapter
*adapter
, struct be_queue_info
*txq
,
793 struct sk_buff
*skb
, u32 wrb_cnt
, bool dummy_wrb
,
798 struct device
*dev
= &adapter
->pdev
->dev
;
799 struct sk_buff
*first_skb
= skb
;
800 struct be_eth_wrb
*wrb
;
801 struct be_eth_hdr_wrb
*hdr
;
802 bool map_single
= false;
805 hdr
= queue_head_node(txq
);
807 map_head
= txq
->head
;
809 if (skb
->len
> skb
->data_len
) {
810 int len
= skb_headlen(skb
);
811 busaddr
= dma_map_single(dev
, skb
->data
, len
, DMA_TO_DEVICE
);
812 if (dma_mapping_error(dev
, busaddr
))
815 wrb
= queue_head_node(txq
);
816 wrb_fill(wrb
, busaddr
, len
);
817 be_dws_cpu_to_le(wrb
, sizeof(*wrb
));
822 for (i
= 0; i
< skb_shinfo(skb
)->nr_frags
; i
++) {
823 const struct skb_frag_struct
*frag
= &skb_shinfo(skb
)->frags
[i
];
824 busaddr
= skb_frag_dma_map(dev
, frag
, 0,
825 skb_frag_size(frag
), DMA_TO_DEVICE
);
826 if (dma_mapping_error(dev
, busaddr
))
828 wrb
= queue_head_node(txq
);
829 wrb_fill(wrb
, busaddr
, skb_frag_size(frag
));
830 be_dws_cpu_to_le(wrb
, sizeof(*wrb
));
832 copied
+= skb_frag_size(frag
);
836 wrb
= queue_head_node(txq
);
838 be_dws_cpu_to_le(wrb
, sizeof(*wrb
));
842 wrb_fill_hdr(adapter
, hdr
, first_skb
, wrb_cnt
, copied
, skip_hw_vlan
);
843 be_dws_cpu_to_le(hdr
, sizeof(*hdr
));
847 txq
->head
= map_head
;
849 wrb
= queue_head_node(txq
);
850 unmap_tx_frag(dev
, wrb
, map_single
);
852 copied
-= wrb
->frag_len
;
858 static struct sk_buff
*be_insert_vlan_in_pkt(struct be_adapter
*adapter
,
864 skb
= skb_share_check(skb
, GFP_ATOMIC
);
868 if (vlan_tx_tag_present(skb
))
869 vlan_tag
= be_get_tx_vlan_tag(adapter
, skb
);
871 if (qnq_async_evt_rcvd(adapter
) && adapter
->pvid
) {
873 vlan_tag
= adapter
->pvid
;
874 /* f/w workaround to set skip_hw_vlan = 1, informs the F/W to
875 * skip VLAN insertion
878 *skip_hw_vlan
= true;
882 skb
= __vlan_put_tag(skb
, htons(ETH_P_8021Q
), vlan_tag
);
888 /* Insert the outer VLAN, if any */
889 if (adapter
->qnq_vid
) {
890 vlan_tag
= adapter
->qnq_vid
;
891 skb
= __vlan_put_tag(skb
, htons(ETH_P_8021Q
), vlan_tag
);
895 *skip_hw_vlan
= true;
901 static bool be_ipv6_exthdr_check(struct sk_buff
*skb
)
903 struct ethhdr
*eh
= (struct ethhdr
*)skb
->data
;
904 u16 offset
= ETH_HLEN
;
906 if (eh
->h_proto
== htons(ETH_P_IPV6
)) {
907 struct ipv6hdr
*ip6h
= (struct ipv6hdr
*)(skb
->data
+ offset
);
909 offset
+= sizeof(struct ipv6hdr
);
910 if (ip6h
->nexthdr
!= NEXTHDR_TCP
&&
911 ip6h
->nexthdr
!= NEXTHDR_UDP
) {
912 struct ipv6_opt_hdr
*ehdr
=
913 (struct ipv6_opt_hdr
*) (skb
->data
+ offset
);
915 /* offending pkt: 2nd byte following IPv6 hdr is 0xff */
916 if (ehdr
->hdrlen
== 0xff)
923 static int be_vlan_tag_tx_chk(struct be_adapter
*adapter
, struct sk_buff
*skb
)
925 return vlan_tx_tag_present(skb
) || adapter
->pvid
|| adapter
->qnq_vid
;
928 static int be_ipv6_tx_stall_chk(struct be_adapter
*adapter
, struct sk_buff
*skb
)
930 return BE3_chip(adapter
) && be_ipv6_exthdr_check(skb
);
933 static struct sk_buff
*be_lancer_xmit_workarounds(struct be_adapter
*adapter
,
937 struct vlan_ethhdr
*veh
= (struct vlan_ethhdr
*)skb
->data
;
938 unsigned int eth_hdr_len
;
941 /* For padded packets, BE HW modifies tot_len field in IP header
942 * incorrecly when VLAN tag is inserted by HW.
943 * For padded packets, Lancer computes incorrect checksum.
945 eth_hdr_len
= ntohs(skb
->protocol
) == ETH_P_8021Q
?
946 VLAN_ETH_HLEN
: ETH_HLEN
;
947 if (skb
->len
<= 60 &&
948 (lancer_chip(adapter
) || vlan_tx_tag_present(skb
)) &&
950 ip
= (struct iphdr
*)ip_hdr(skb
);
951 pskb_trim(skb
, eth_hdr_len
+ ntohs(ip
->tot_len
));
954 /* If vlan tag is already inlined in the packet, skip HW VLAN
955 * tagging in pvid-tagging mode
957 if (be_pvid_tagging_enabled(adapter
) &&
958 veh
->h_vlan_proto
== htons(ETH_P_8021Q
))
959 *skip_hw_vlan
= true;
961 /* HW has a bug wherein it will calculate CSUM for VLAN
962 * pkts even though it is disabled.
963 * Manually insert VLAN in pkt.
965 if (skb
->ip_summed
!= CHECKSUM_PARTIAL
&&
966 vlan_tx_tag_present(skb
)) {
967 skb
= be_insert_vlan_in_pkt(adapter
, skb
, skip_hw_vlan
);
972 /* HW may lockup when VLAN HW tagging is requested on
973 * certain ipv6 packets. Drop such pkts if the HW workaround to
974 * skip HW tagging is not enabled by FW.
976 if (unlikely(be_ipv6_tx_stall_chk(adapter
, skb
) &&
977 (adapter
->pvid
|| adapter
->qnq_vid
) &&
978 !qnq_async_evt_rcvd(adapter
)))
981 /* Manual VLAN tag insertion to prevent:
982 * ASIC lockup when the ASIC inserts VLAN tag into
983 * certain ipv6 packets. Insert VLAN tags in driver,
984 * and set event, completion, vlan bits accordingly
987 if (be_ipv6_tx_stall_chk(adapter
, skb
) &&
988 be_vlan_tag_tx_chk(adapter
, skb
)) {
989 skb
= be_insert_vlan_in_pkt(adapter
, skb
, skip_hw_vlan
);
996 dev_kfree_skb_any(skb
);
1001 static struct sk_buff
*be_xmit_workarounds(struct be_adapter
*adapter
,
1002 struct sk_buff
*skb
,
1005 /* Lancer, SH-R ASICs have a bug wherein Packets that are 32 bytes or
1006 * less may cause a transmit stall on that port. So the work-around is
1007 * to pad short packets (<= 32 bytes) to a 36-byte length.
1009 if (unlikely(!BEx_chip(adapter
) && skb
->len
<= 32)) {
1010 if (skb_padto(skb
, 36))
1015 if (BEx_chip(adapter
) || lancer_chip(adapter
)) {
1016 skb
= be_lancer_xmit_workarounds(adapter
, skb
, skip_hw_vlan
);
1024 static netdev_tx_t
be_xmit(struct sk_buff
*skb
, struct net_device
*netdev
)
1026 struct be_adapter
*adapter
= netdev_priv(netdev
);
1027 struct be_tx_obj
*txo
= &adapter
->tx_obj
[skb_get_queue_mapping(skb
)];
1028 struct be_queue_info
*txq
= &txo
->q
;
1029 bool dummy_wrb
, stopped
= false;
1030 u32 wrb_cnt
= 0, copied
= 0;
1031 bool skip_hw_vlan
= false;
1032 u32 start
= txq
->head
;
1034 skb
= be_xmit_workarounds(adapter
, skb
, &skip_hw_vlan
);
1036 tx_stats(txo
)->tx_drv_drops
++;
1037 return NETDEV_TX_OK
;
1040 wrb_cnt
= wrb_cnt_for_skb(adapter
, skb
, &dummy_wrb
);
1042 copied
= make_tx_wrbs(adapter
, txq
, skb
, wrb_cnt
, dummy_wrb
,
1045 int gso_segs
= skb_shinfo(skb
)->gso_segs
;
1047 /* record the sent skb in the sent_skb table */
1048 BUG_ON(txo
->sent_skb_list
[start
]);
1049 txo
->sent_skb_list
[start
] = skb
;
1051 /* Ensure txq has space for the next skb; Else stop the queue
1052 * *BEFORE* ringing the tx doorbell, so that we serialze the
1053 * tx compls of the current transmit which'll wake up the queue
1055 atomic_add(wrb_cnt
, &txq
->used
);
1056 if ((BE_MAX_TX_FRAG_COUNT
+ atomic_read(&txq
->used
)) >=
1058 netif_stop_subqueue(netdev
, skb_get_queue_mapping(skb
));
1062 be_txq_notify(adapter
, txo
, wrb_cnt
);
1064 be_tx_stats_update(txo
, wrb_cnt
, copied
, gso_segs
, stopped
);
1067 tx_stats(txo
)->tx_drv_drops
++;
1068 dev_kfree_skb_any(skb
);
1070 return NETDEV_TX_OK
;
1073 static int be_change_mtu(struct net_device
*netdev
, int new_mtu
)
1075 struct be_adapter
*adapter
= netdev_priv(netdev
);
1076 if (new_mtu
< BE_MIN_MTU
||
1077 new_mtu
> (BE_MAX_JUMBO_FRAME_SIZE
- (ETH_HLEN
+ ETH_FCS_LEN
))) {
1078 dev_info(&adapter
->pdev
->dev
,
1079 "MTU must be between %d and %d bytes\n",
1081 (BE_MAX_JUMBO_FRAME_SIZE
- (ETH_HLEN
+ ETH_FCS_LEN
)));
1084 dev_info(&adapter
->pdev
->dev
, "MTU changed from %d to %d bytes\n",
1085 netdev
->mtu
, new_mtu
);
1086 netdev
->mtu
= new_mtu
;
1091 * A max of 64 (BE_NUM_VLANS_SUPPORTED) vlans can be configured in BE.
1092 * If the user configures more, place BE in vlan promiscuous mode.
1094 static int be_vid_config(struct be_adapter
*adapter
)
1096 u16 vids
[BE_NUM_VLANS_SUPPORTED
];
1100 /* No need to further configure vids if in promiscuous mode */
1101 if (adapter
->promiscuous
)
1104 if (adapter
->vlans_added
> be_max_vlans(adapter
))
1105 goto set_vlan_promisc
;
1107 /* Construct VLAN Table to give to HW */
1108 for_each_set_bit(i
, adapter
->vids
, VLAN_N_VID
)
1109 vids
[num
++] = cpu_to_le16(i
);
1111 status
= be_cmd_vlan_config(adapter
, adapter
->if_handle
, vids
, num
);
1113 /* Set to VLAN promisc mode as setting VLAN filter failed */
1114 if (addl_status(status
) ==
1115 MCC_ADDL_STATUS_INSUFFICIENT_RESOURCES
)
1116 goto set_vlan_promisc
;
1117 dev_err(&adapter
->pdev
->dev
,
1118 "Setting HW VLAN filtering failed.\n");
1120 if (adapter
->flags
& BE_FLAGS_VLAN_PROMISC
) {
1121 /* hw VLAN filtering re-enabled. */
1122 status
= be_cmd_rx_filter(adapter
,
1123 BE_FLAGS_VLAN_PROMISC
, OFF
);
1125 dev_info(&adapter
->pdev
->dev
,
1126 "Disabling VLAN Promiscuous mode.\n");
1127 adapter
->flags
&= ~BE_FLAGS_VLAN_PROMISC
;
1135 if (adapter
->flags
& BE_FLAGS_VLAN_PROMISC
)
1138 status
= be_cmd_rx_filter(adapter
, BE_FLAGS_VLAN_PROMISC
, ON
);
1140 dev_info(&adapter
->pdev
->dev
, "Enable VLAN Promiscuous mode\n");
1141 adapter
->flags
|= BE_FLAGS_VLAN_PROMISC
;
1143 dev_err(&adapter
->pdev
->dev
,
1144 "Failed to enable VLAN Promiscuous mode.\n");
1148 static int be_vlan_add_vid(struct net_device
*netdev
, __be16 proto
, u16 vid
)
1150 struct be_adapter
*adapter
= netdev_priv(netdev
);
1153 /* Packets with VID 0 are always received by Lancer by default */
1154 if (lancer_chip(adapter
) && vid
== 0)
1157 if (test_bit(vid
, adapter
->vids
))
1160 set_bit(vid
, adapter
->vids
);
1161 adapter
->vlans_added
++;
1163 status
= be_vid_config(adapter
);
1165 adapter
->vlans_added
--;
1166 clear_bit(vid
, adapter
->vids
);
1172 static int be_vlan_rem_vid(struct net_device
*netdev
, __be16 proto
, u16 vid
)
1174 struct be_adapter
*adapter
= netdev_priv(netdev
);
1177 /* Packets with VID 0 are always received by Lancer by default */
1178 if (lancer_chip(adapter
) && vid
== 0)
1181 clear_bit(vid
, adapter
->vids
);
1182 status
= be_vid_config(adapter
);
1184 adapter
->vlans_added
--;
1186 set_bit(vid
, adapter
->vids
);
1191 static void be_clear_promisc(struct be_adapter
*adapter
)
1193 adapter
->promiscuous
= false;
1194 adapter
->flags
&= ~(BE_FLAGS_VLAN_PROMISC
| BE_FLAGS_MCAST_PROMISC
);
1196 be_cmd_rx_filter(adapter
, IFF_PROMISC
, OFF
);
1199 static void be_set_rx_mode(struct net_device
*netdev
)
1201 struct be_adapter
*adapter
= netdev_priv(netdev
);
1204 if (netdev
->flags
& IFF_PROMISC
) {
1205 be_cmd_rx_filter(adapter
, IFF_PROMISC
, ON
);
1206 adapter
->promiscuous
= true;
1210 /* BE was previously in promiscuous mode; disable it */
1211 if (adapter
->promiscuous
) {
1212 be_clear_promisc(adapter
);
1213 if (adapter
->vlans_added
)
1214 be_vid_config(adapter
);
1217 /* Enable multicast promisc if num configured exceeds what we support */
1218 if (netdev
->flags
& IFF_ALLMULTI
||
1219 netdev_mc_count(netdev
) > be_max_mc(adapter
))
1220 goto set_mcast_promisc
;
1222 if (netdev_uc_count(netdev
) != adapter
->uc_macs
) {
1223 struct netdev_hw_addr
*ha
;
1224 int i
= 1; /* First slot is claimed by the Primary MAC */
1226 for (; adapter
->uc_macs
> 0; adapter
->uc_macs
--, i
++) {
1227 be_cmd_pmac_del(adapter
, adapter
->if_handle
,
1228 adapter
->pmac_id
[i
], 0);
1231 if (netdev_uc_count(netdev
) > be_max_uc(adapter
)) {
1232 be_cmd_rx_filter(adapter
, IFF_PROMISC
, ON
);
1233 adapter
->promiscuous
= true;
1237 netdev_for_each_uc_addr(ha
, adapter
->netdev
) {
1238 adapter
->uc_macs
++; /* First slot is for Primary MAC */
1239 be_cmd_pmac_add(adapter
, (u8
*)ha
->addr
,
1241 &adapter
->pmac_id
[adapter
->uc_macs
], 0);
1245 status
= be_cmd_rx_filter(adapter
, IFF_MULTICAST
, ON
);
1247 if (adapter
->flags
& BE_FLAGS_MCAST_PROMISC
)
1248 adapter
->flags
&= ~BE_FLAGS_MCAST_PROMISC
;
1253 if (adapter
->flags
& BE_FLAGS_MCAST_PROMISC
)
1256 /* Set to MCAST promisc mode if setting MULTICAST address fails
1257 * or if num configured exceeds what we support
1259 status
= be_cmd_rx_filter(adapter
, IFF_ALLMULTI
, ON
);
1261 adapter
->flags
|= BE_FLAGS_MCAST_PROMISC
;
1266 static int be_set_vf_mac(struct net_device
*netdev
, int vf
, u8
*mac
)
1268 struct be_adapter
*adapter
= netdev_priv(netdev
);
1269 struct be_vf_cfg
*vf_cfg
= &adapter
->vf_cfg
[vf
];
1272 if (!sriov_enabled(adapter
))
1275 if (!is_valid_ether_addr(mac
) || vf
>= adapter
->num_vfs
)
1278 if (BEx_chip(adapter
)) {
1279 be_cmd_pmac_del(adapter
, vf_cfg
->if_handle
, vf_cfg
->pmac_id
,
1282 status
= be_cmd_pmac_add(adapter
, mac
, vf_cfg
->if_handle
,
1283 &vf_cfg
->pmac_id
, vf
+ 1);
1285 status
= be_cmd_set_mac(adapter
, mac
, vf_cfg
->if_handle
,
1290 dev_err(&adapter
->pdev
->dev
, "MAC %pM set on VF %d Failed\n",
1293 memcpy(vf_cfg
->mac_addr
, mac
, ETH_ALEN
);
1298 static int be_get_vf_config(struct net_device
*netdev
, int vf
,
1299 struct ifla_vf_info
*vi
)
1301 struct be_adapter
*adapter
= netdev_priv(netdev
);
1302 struct be_vf_cfg
*vf_cfg
= &adapter
->vf_cfg
[vf
];
1304 if (!sriov_enabled(adapter
))
1307 if (vf
>= adapter
->num_vfs
)
1311 vi
->max_tx_rate
= vf_cfg
->tx_rate
;
1312 vi
->min_tx_rate
= 0;
1313 vi
->vlan
= vf_cfg
->vlan_tag
& VLAN_VID_MASK
;
1314 vi
->qos
= vf_cfg
->vlan_tag
>> VLAN_PRIO_SHIFT
;
1315 memcpy(&vi
->mac
, vf_cfg
->mac_addr
, ETH_ALEN
);
1316 vi
->linkstate
= adapter
->vf_cfg
[vf
].plink_tracking
;
1321 static int be_set_vf_vlan(struct net_device
*netdev
, int vf
, u16 vlan
, u8 qos
)
1323 struct be_adapter
*adapter
= netdev_priv(netdev
);
1324 struct be_vf_cfg
*vf_cfg
= &adapter
->vf_cfg
[vf
];
1327 if (!sriov_enabled(adapter
))
1330 if (vf
>= adapter
->num_vfs
|| vlan
> 4095 || qos
> 7)
1334 vlan
|= qos
<< VLAN_PRIO_SHIFT
;
1335 if (vf_cfg
->vlan_tag
!= vlan
)
1336 status
= be_cmd_set_hsw_config(adapter
, vlan
, vf
+ 1,
1337 vf_cfg
->if_handle
, 0);
1339 /* Reset Transparent Vlan Tagging. */
1340 status
= be_cmd_set_hsw_config(adapter
, BE_RESET_VLAN_TAG_ID
,
1341 vf
+ 1, vf_cfg
->if_handle
, 0);
1345 vf_cfg
->vlan_tag
= vlan
;
1347 dev_info(&adapter
->pdev
->dev
,
1348 "VLAN %d config on VF %d failed\n", vlan
, vf
);
1352 static int be_set_vf_tx_rate(struct net_device
*netdev
, int vf
,
1353 int min_tx_rate
, int max_tx_rate
)
1355 struct be_adapter
*adapter
= netdev_priv(netdev
);
1356 struct device
*dev
= &adapter
->pdev
->dev
;
1357 int percent_rate
, status
= 0;
1361 if (!sriov_enabled(adapter
))
1364 if (vf
>= adapter
->num_vfs
)
1373 status
= be_cmd_link_status_query(adapter
, &link_speed
,
1379 dev_err(dev
, "TX-rate setting not allowed when link is down\n");
1384 if (max_tx_rate
< 100 || max_tx_rate
> link_speed
) {
1385 dev_err(dev
, "TX-rate must be between 100 and %d Mbps\n",
1391 /* On Skyhawk the QOS setting must be done only as a % value */
1392 percent_rate
= link_speed
/ 100;
1393 if (skyhawk_chip(adapter
) && (max_tx_rate
% percent_rate
)) {
1394 dev_err(dev
, "TX-rate must be a multiple of %d Mbps\n",
1401 status
= be_cmd_config_qos(adapter
, max_tx_rate
, link_speed
, vf
+ 1);
1405 adapter
->vf_cfg
[vf
].tx_rate
= max_tx_rate
;
1409 dev_err(dev
, "TX-rate setting of %dMbps on VF%d failed\n",
1413 static int be_set_vf_link_state(struct net_device
*netdev
, int vf
,
1416 struct be_adapter
*adapter
= netdev_priv(netdev
);
1419 if (!sriov_enabled(adapter
))
1422 if (vf
>= adapter
->num_vfs
)
1425 status
= be_cmd_set_logical_link_config(adapter
, link_state
, vf
+1);
1427 adapter
->vf_cfg
[vf
].plink_tracking
= link_state
;
1432 static void be_aic_update(struct be_aic_obj
*aic
, u64 rx_pkts
, u64 tx_pkts
,
1435 aic
->rx_pkts_prev
= rx_pkts
;
1436 aic
->tx_reqs_prev
= tx_pkts
;
1440 static void be_eqd_update(struct be_adapter
*adapter
)
1442 struct be_set_eqd set_eqd
[MAX_EVT_QS
];
1443 int eqd
, i
, num
= 0, start
;
1444 struct be_aic_obj
*aic
;
1445 struct be_eq_obj
*eqo
;
1446 struct be_rx_obj
*rxo
;
1447 struct be_tx_obj
*txo
;
1448 u64 rx_pkts
, tx_pkts
;
1452 for_all_evt_queues(adapter
, eqo
, i
) {
1453 aic
= &adapter
->aic_obj
[eqo
->idx
];
1461 rxo
= &adapter
->rx_obj
[eqo
->idx
];
1463 start
= u64_stats_fetch_begin_irq(&rxo
->stats
.sync
);
1464 rx_pkts
= rxo
->stats
.rx_pkts
;
1465 } while (u64_stats_fetch_retry_irq(&rxo
->stats
.sync
, start
));
1467 txo
= &adapter
->tx_obj
[eqo
->idx
];
1469 start
= u64_stats_fetch_begin_irq(&txo
->stats
.sync
);
1470 tx_pkts
= txo
->stats
.tx_reqs
;
1471 } while (u64_stats_fetch_retry_irq(&txo
->stats
.sync
, start
));
1474 /* Skip, if wrapped around or first calculation */
1476 if (!aic
->jiffies
|| time_before(now
, aic
->jiffies
) ||
1477 rx_pkts
< aic
->rx_pkts_prev
||
1478 tx_pkts
< aic
->tx_reqs_prev
) {
1479 be_aic_update(aic
, rx_pkts
, tx_pkts
, now
);
1483 delta
= jiffies_to_msecs(now
- aic
->jiffies
);
1484 pps
= (((u32
)(rx_pkts
- aic
->rx_pkts_prev
) * 1000) / delta
) +
1485 (((u32
)(tx_pkts
- aic
->tx_reqs_prev
) * 1000) / delta
);
1486 eqd
= (pps
/ 15000) << 2;
1490 eqd
= min_t(u32
, eqd
, aic
->max_eqd
);
1491 eqd
= max_t(u32
, eqd
, aic
->min_eqd
);
1493 be_aic_update(aic
, rx_pkts
, tx_pkts
, now
);
1495 if (eqd
!= aic
->prev_eqd
) {
1496 set_eqd
[num
].delay_multiplier
= (eqd
* 65)/100;
1497 set_eqd
[num
].eq_id
= eqo
->q
.id
;
1498 aic
->prev_eqd
= eqd
;
1504 be_cmd_modify_eqd(adapter
, set_eqd
, num
);
1507 static void be_rx_stats_update(struct be_rx_obj
*rxo
,
1508 struct be_rx_compl_info
*rxcp
)
1510 struct be_rx_stats
*stats
= rx_stats(rxo
);
1512 u64_stats_update_begin(&stats
->sync
);
1514 stats
->rx_bytes
+= rxcp
->pkt_size
;
1516 if (rxcp
->pkt_type
== BE_MULTICAST_PACKET
)
1517 stats
->rx_mcast_pkts
++;
1519 stats
->rx_compl_err
++;
1520 u64_stats_update_end(&stats
->sync
);
1523 static inline bool csum_passed(struct be_rx_compl_info
*rxcp
)
1525 /* L4 checksum is not reliable for non TCP/UDP packets.
1526 * Also ignore ipcksm for ipv6 pkts
1528 return (rxcp
->tcpf
|| rxcp
->udpf
) && rxcp
->l4_csum
&&
1529 (rxcp
->ip_csum
|| rxcp
->ipv6
) && !rxcp
->err
;
1532 static struct be_rx_page_info
*get_rx_page_info(struct be_rx_obj
*rxo
)
1534 struct be_adapter
*adapter
= rxo
->adapter
;
1535 struct be_rx_page_info
*rx_page_info
;
1536 struct be_queue_info
*rxq
= &rxo
->q
;
1537 u16 frag_idx
= rxq
->tail
;
1539 rx_page_info
= &rxo
->page_info_tbl
[frag_idx
];
1540 BUG_ON(!rx_page_info
->page
);
1542 if (rx_page_info
->last_frag
) {
1543 dma_unmap_page(&adapter
->pdev
->dev
,
1544 dma_unmap_addr(rx_page_info
, bus
),
1545 adapter
->big_page_size
, DMA_FROM_DEVICE
);
1546 rx_page_info
->last_frag
= false;
1548 dma_sync_single_for_cpu(&adapter
->pdev
->dev
,
1549 dma_unmap_addr(rx_page_info
, bus
),
1550 rx_frag_size
, DMA_FROM_DEVICE
);
1553 queue_tail_inc(rxq
);
1554 atomic_dec(&rxq
->used
);
1555 return rx_page_info
;
1558 /* Throwaway the data in the Rx completion */
1559 static void be_rx_compl_discard(struct be_rx_obj
*rxo
,
1560 struct be_rx_compl_info
*rxcp
)
1562 struct be_rx_page_info
*page_info
;
1563 u16 i
, num_rcvd
= rxcp
->num_rcvd
;
1565 for (i
= 0; i
< num_rcvd
; i
++) {
1566 page_info
= get_rx_page_info(rxo
);
1567 put_page(page_info
->page
);
1568 memset(page_info
, 0, sizeof(*page_info
));
1573 * skb_fill_rx_data forms a complete skb for an ether frame
1574 * indicated by rxcp.
1576 static void skb_fill_rx_data(struct be_rx_obj
*rxo
, struct sk_buff
*skb
,
1577 struct be_rx_compl_info
*rxcp
)
1579 struct be_rx_page_info
*page_info
;
1581 u16 hdr_len
, curr_frag_len
, remaining
;
1584 page_info
= get_rx_page_info(rxo
);
1585 start
= page_address(page_info
->page
) + page_info
->page_offset
;
1588 /* Copy data in the first descriptor of this completion */
1589 curr_frag_len
= min(rxcp
->pkt_size
, rx_frag_size
);
1591 skb
->len
= curr_frag_len
;
1592 if (curr_frag_len
<= BE_HDR_LEN
) { /* tiny packet */
1593 memcpy(skb
->data
, start
, curr_frag_len
);
1594 /* Complete packet has now been moved to data */
1595 put_page(page_info
->page
);
1597 skb
->tail
+= curr_frag_len
;
1600 memcpy(skb
->data
, start
, hdr_len
);
1601 skb_shinfo(skb
)->nr_frags
= 1;
1602 skb_frag_set_page(skb
, 0, page_info
->page
);
1603 skb_shinfo(skb
)->frags
[0].page_offset
=
1604 page_info
->page_offset
+ hdr_len
;
1605 skb_frag_size_set(&skb_shinfo(skb
)->frags
[0],
1606 curr_frag_len
- hdr_len
);
1607 skb
->data_len
= curr_frag_len
- hdr_len
;
1608 skb
->truesize
+= rx_frag_size
;
1609 skb
->tail
+= hdr_len
;
1611 page_info
->page
= NULL
;
1613 if (rxcp
->pkt_size
<= rx_frag_size
) {
1614 BUG_ON(rxcp
->num_rcvd
!= 1);
1618 /* More frags present for this completion */
1619 remaining
= rxcp
->pkt_size
- curr_frag_len
;
1620 for (i
= 1, j
= 0; i
< rxcp
->num_rcvd
; i
++) {
1621 page_info
= get_rx_page_info(rxo
);
1622 curr_frag_len
= min(remaining
, rx_frag_size
);
1624 /* Coalesce all frags from the same physical page in one slot */
1625 if (page_info
->page_offset
== 0) {
1628 skb_frag_set_page(skb
, j
, page_info
->page
);
1629 skb_shinfo(skb
)->frags
[j
].page_offset
=
1630 page_info
->page_offset
;
1631 skb_frag_size_set(&skb_shinfo(skb
)->frags
[j
], 0);
1632 skb_shinfo(skb
)->nr_frags
++;
1634 put_page(page_info
->page
);
1637 skb_frag_size_add(&skb_shinfo(skb
)->frags
[j
], curr_frag_len
);
1638 skb
->len
+= curr_frag_len
;
1639 skb
->data_len
+= curr_frag_len
;
1640 skb
->truesize
+= rx_frag_size
;
1641 remaining
-= curr_frag_len
;
1642 page_info
->page
= NULL
;
1644 BUG_ON(j
> MAX_SKB_FRAGS
);
1647 /* Process the RX completion indicated by rxcp when GRO is disabled */
1648 static void be_rx_compl_process(struct be_rx_obj
*rxo
, struct napi_struct
*napi
,
1649 struct be_rx_compl_info
*rxcp
)
1651 struct be_adapter
*adapter
= rxo
->adapter
;
1652 struct net_device
*netdev
= adapter
->netdev
;
1653 struct sk_buff
*skb
;
1655 skb
= netdev_alloc_skb_ip_align(netdev
, BE_RX_SKB_ALLOC_SIZE
);
1656 if (unlikely(!skb
)) {
1657 rx_stats(rxo
)->rx_drops_no_skbs
++;
1658 be_rx_compl_discard(rxo
, rxcp
);
1662 skb_fill_rx_data(rxo
, skb
, rxcp
);
1664 if (likely((netdev
->features
& NETIF_F_RXCSUM
) && csum_passed(rxcp
)))
1665 skb
->ip_summed
= CHECKSUM_UNNECESSARY
;
1667 skb_checksum_none_assert(skb
);
1669 skb
->protocol
= eth_type_trans(skb
, netdev
);
1670 skb_record_rx_queue(skb
, rxo
- &adapter
->rx_obj
[0]);
1671 if (netdev
->features
& NETIF_F_RXHASH
)
1672 skb_set_hash(skb
, rxcp
->rss_hash
, PKT_HASH_TYPE_L3
);
1674 skb
->encapsulation
= rxcp
->tunneled
;
1675 skb_mark_napi_id(skb
, napi
);
1678 __vlan_hwaccel_put_tag(skb
, htons(ETH_P_8021Q
), rxcp
->vlan_tag
);
1680 netif_receive_skb(skb
);
1683 /* Process the RX completion indicated by rxcp when GRO is enabled */
1684 static void be_rx_compl_process_gro(struct be_rx_obj
*rxo
,
1685 struct napi_struct
*napi
,
1686 struct be_rx_compl_info
*rxcp
)
1688 struct be_adapter
*adapter
= rxo
->adapter
;
1689 struct be_rx_page_info
*page_info
;
1690 struct sk_buff
*skb
= NULL
;
1691 u16 remaining
, curr_frag_len
;
1694 skb
= napi_get_frags(napi
);
1696 be_rx_compl_discard(rxo
, rxcp
);
1700 remaining
= rxcp
->pkt_size
;
1701 for (i
= 0, j
= -1; i
< rxcp
->num_rcvd
; i
++) {
1702 page_info
= get_rx_page_info(rxo
);
1704 curr_frag_len
= min(remaining
, rx_frag_size
);
1706 /* Coalesce all frags from the same physical page in one slot */
1707 if (i
== 0 || page_info
->page_offset
== 0) {
1708 /* First frag or Fresh page */
1710 skb_frag_set_page(skb
, j
, page_info
->page
);
1711 skb_shinfo(skb
)->frags
[j
].page_offset
=
1712 page_info
->page_offset
;
1713 skb_frag_size_set(&skb_shinfo(skb
)->frags
[j
], 0);
1715 put_page(page_info
->page
);
1717 skb_frag_size_add(&skb_shinfo(skb
)->frags
[j
], curr_frag_len
);
1718 skb
->truesize
+= rx_frag_size
;
1719 remaining
-= curr_frag_len
;
1720 memset(page_info
, 0, sizeof(*page_info
));
1722 BUG_ON(j
> MAX_SKB_FRAGS
);
1724 skb_shinfo(skb
)->nr_frags
= j
+ 1;
1725 skb
->len
= rxcp
->pkt_size
;
1726 skb
->data_len
= rxcp
->pkt_size
;
1727 skb
->ip_summed
= CHECKSUM_UNNECESSARY
;
1728 skb_record_rx_queue(skb
, rxo
- &adapter
->rx_obj
[0]);
1729 if (adapter
->netdev
->features
& NETIF_F_RXHASH
)
1730 skb_set_hash(skb
, rxcp
->rss_hash
, PKT_HASH_TYPE_L3
);
1732 skb
->encapsulation
= rxcp
->tunneled
;
1733 skb_mark_napi_id(skb
, napi
);
1736 __vlan_hwaccel_put_tag(skb
, htons(ETH_P_8021Q
), rxcp
->vlan_tag
);
1738 napi_gro_frags(napi
);
1741 static void be_parse_rx_compl_v1(struct be_eth_rx_compl
*compl,
1742 struct be_rx_compl_info
*rxcp
)
1745 AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, pktsize
, compl);
1746 rxcp
->vlanf
= AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, vtp
, compl);
1747 rxcp
->err
= AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, err
, compl);
1748 rxcp
->tcpf
= AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, tcpf
, compl);
1749 rxcp
->udpf
= AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, udpf
, compl);
1751 AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, ipcksm
, compl);
1753 AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, l4_cksm
, compl);
1755 AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, ip_version
, compl);
1757 AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, numfrags
, compl);
1759 AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, cast_enc
, compl);
1761 AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, rsshash
, compl);
1763 rxcp
->qnq
= AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, qnq
,
1765 rxcp
->vlan_tag
= AMAP_GET_BITS(struct amap_eth_rx_compl_v1
,
1768 rxcp
->port
= AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, port
, compl);
1770 AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, tunneled
, compl);
1773 static void be_parse_rx_compl_v0(struct be_eth_rx_compl
*compl,
1774 struct be_rx_compl_info
*rxcp
)
1777 AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, pktsize
, compl);
1778 rxcp
->vlanf
= AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, vtp
, compl);
1779 rxcp
->err
= AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, err
, compl);
1780 rxcp
->tcpf
= AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, tcpf
, compl);
1781 rxcp
->udpf
= AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, udpf
, compl);
1783 AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, ipcksm
, compl);
1785 AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, l4_cksm
, compl);
1787 AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, ip_version
, compl);
1789 AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, numfrags
, compl);
1791 AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, cast_enc
, compl);
1793 AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, rsshash
, compl);
1795 rxcp
->qnq
= AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, qnq
,
1797 rxcp
->vlan_tag
= AMAP_GET_BITS(struct amap_eth_rx_compl_v0
,
1800 rxcp
->port
= AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, port
, compl);
1801 rxcp
->ip_frag
= AMAP_GET_BITS(struct amap_eth_rx_compl_v0
,
1805 static struct be_rx_compl_info
*be_rx_compl_get(struct be_rx_obj
*rxo
)
1807 struct be_eth_rx_compl
*compl = queue_tail_node(&rxo
->cq
);
1808 struct be_rx_compl_info
*rxcp
= &rxo
->rxcp
;
1809 struct be_adapter
*adapter
= rxo
->adapter
;
1811 /* For checking the valid bit it is Ok to use either definition as the
1812 * valid bit is at the same position in both v0 and v1 Rx compl */
1813 if (compl->dw
[offsetof(struct amap_eth_rx_compl_v1
, valid
) / 32] == 0)
1817 be_dws_le_to_cpu(compl, sizeof(*compl));
1819 if (adapter
->be3_native
)
1820 be_parse_rx_compl_v1(compl, rxcp
);
1822 be_parse_rx_compl_v0(compl, rxcp
);
1828 /* In QNQ modes, if qnq bit is not set, then the packet was
1829 * tagged only with the transparent outer vlan-tag and must
1830 * not be treated as a vlan packet by host
1832 if (be_is_qnq_mode(adapter
) && !rxcp
->qnq
)
1835 if (!lancer_chip(adapter
))
1836 rxcp
->vlan_tag
= swab16(rxcp
->vlan_tag
);
1838 if (adapter
->pvid
== (rxcp
->vlan_tag
& VLAN_VID_MASK
) &&
1839 !test_bit(rxcp
->vlan_tag
, adapter
->vids
))
1843 /* As the compl has been parsed, reset it; we wont touch it again */
1844 compl->dw
[offsetof(struct amap_eth_rx_compl_v1
, valid
) / 32] = 0;
1846 queue_tail_inc(&rxo
->cq
);
1850 static inline struct page
*be_alloc_pages(u32 size
, gfp_t gfp
)
1852 u32 order
= get_order(size
);
1856 return alloc_pages(gfp
, order
);
1860 * Allocate a page, split it to fragments of size rx_frag_size and post as
1861 * receive buffers to BE
1863 static void be_post_rx_frags(struct be_rx_obj
*rxo
, gfp_t gfp
)
1865 struct be_adapter
*adapter
= rxo
->adapter
;
1866 struct be_rx_page_info
*page_info
= NULL
, *prev_page_info
= NULL
;
1867 struct be_queue_info
*rxq
= &rxo
->q
;
1868 struct page
*pagep
= NULL
;
1869 struct device
*dev
= &adapter
->pdev
->dev
;
1870 struct be_eth_rx_d
*rxd
;
1871 u64 page_dmaaddr
= 0, frag_dmaaddr
;
1872 u32 posted
, page_offset
= 0;
1874 page_info
= &rxo
->page_info_tbl
[rxq
->head
];
1875 for (posted
= 0; posted
< MAX_RX_POST
&& !page_info
->page
; posted
++) {
1877 pagep
= be_alloc_pages(adapter
->big_page_size
, gfp
);
1878 if (unlikely(!pagep
)) {
1879 rx_stats(rxo
)->rx_post_fail
++;
1882 page_dmaaddr
= dma_map_page(dev
, pagep
, 0,
1883 adapter
->big_page_size
,
1885 if (dma_mapping_error(dev
, page_dmaaddr
)) {
1888 rx_stats(rxo
)->rx_post_fail
++;
1894 page_offset
+= rx_frag_size
;
1896 page_info
->page_offset
= page_offset
;
1897 page_info
->page
= pagep
;
1899 rxd
= queue_head_node(rxq
);
1900 frag_dmaaddr
= page_dmaaddr
+ page_info
->page_offset
;
1901 rxd
->fragpa_lo
= cpu_to_le32(frag_dmaaddr
& 0xFFFFFFFF);
1902 rxd
->fragpa_hi
= cpu_to_le32(upper_32_bits(frag_dmaaddr
));
1904 /* Any space left in the current big page for another frag? */
1905 if ((page_offset
+ rx_frag_size
+ rx_frag_size
) >
1906 adapter
->big_page_size
) {
1908 page_info
->last_frag
= true;
1909 dma_unmap_addr_set(page_info
, bus
, page_dmaaddr
);
1911 dma_unmap_addr_set(page_info
, bus
, frag_dmaaddr
);
1914 prev_page_info
= page_info
;
1915 queue_head_inc(rxq
);
1916 page_info
= &rxo
->page_info_tbl
[rxq
->head
];
1919 /* Mark the last frag of a page when we break out of the above loop
1920 * with no more slots available in the RXQ
1923 prev_page_info
->last_frag
= true;
1924 dma_unmap_addr_set(prev_page_info
, bus
, page_dmaaddr
);
1928 atomic_add(posted
, &rxq
->used
);
1929 if (rxo
->rx_post_starved
)
1930 rxo
->rx_post_starved
= false;
1931 be_rxq_notify(adapter
, rxq
->id
, posted
);
1932 } else if (atomic_read(&rxq
->used
) == 0) {
1933 /* Let be_worker replenish when memory is available */
1934 rxo
->rx_post_starved
= true;
1938 static struct be_eth_tx_compl
*be_tx_compl_get(struct be_queue_info
*tx_cq
)
1940 struct be_eth_tx_compl
*txcp
= queue_tail_node(tx_cq
);
1942 if (txcp
->dw
[offsetof(struct amap_eth_tx_compl
, valid
) / 32] == 0)
1946 be_dws_le_to_cpu(txcp
, sizeof(*txcp
));
1948 txcp
->dw
[offsetof(struct amap_eth_tx_compl
, valid
) / 32] = 0;
1950 queue_tail_inc(tx_cq
);
1954 static u16
be_tx_compl_process(struct be_adapter
*adapter
,
1955 struct be_tx_obj
*txo
, u16 last_index
)
1957 struct be_queue_info
*txq
= &txo
->q
;
1958 struct be_eth_wrb
*wrb
;
1959 struct sk_buff
**sent_skbs
= txo
->sent_skb_list
;
1960 struct sk_buff
*sent_skb
;
1961 u16 cur_index
, num_wrbs
= 1; /* account for hdr wrb */
1962 bool unmap_skb_hdr
= true;
1964 sent_skb
= sent_skbs
[txq
->tail
];
1966 sent_skbs
[txq
->tail
] = NULL
;
1968 /* skip header wrb */
1969 queue_tail_inc(txq
);
1972 cur_index
= txq
->tail
;
1973 wrb
= queue_tail_node(txq
);
1974 unmap_tx_frag(&adapter
->pdev
->dev
, wrb
,
1975 (unmap_skb_hdr
&& skb_headlen(sent_skb
)));
1976 unmap_skb_hdr
= false;
1979 queue_tail_inc(txq
);
1980 } while (cur_index
!= last_index
);
1982 dev_kfree_skb_any(sent_skb
);
1986 /* Return the number of events in the event queue */
1987 static inline int events_get(struct be_eq_obj
*eqo
)
1989 struct be_eq_entry
*eqe
;
1993 eqe
= queue_tail_node(&eqo
->q
);
2000 queue_tail_inc(&eqo
->q
);
2006 /* Leaves the EQ is disarmed state */
2007 static void be_eq_clean(struct be_eq_obj
*eqo
)
2009 int num
= events_get(eqo
);
2011 be_eq_notify(eqo
->adapter
, eqo
->q
.id
, false, true, num
);
2014 static void be_rx_cq_clean(struct be_rx_obj
*rxo
)
2016 struct be_rx_page_info
*page_info
;
2017 struct be_queue_info
*rxq
= &rxo
->q
;
2018 struct be_queue_info
*rx_cq
= &rxo
->cq
;
2019 struct be_rx_compl_info
*rxcp
;
2020 struct be_adapter
*adapter
= rxo
->adapter
;
2023 /* Consume pending rx completions.
2024 * Wait for the flush completion (identified by zero num_rcvd)
2025 * to arrive. Notify CQ even when there are no more CQ entries
2026 * for HW to flush partially coalesced CQ entries.
2027 * In Lancer, there is no need to wait for flush compl.
2030 rxcp
= be_rx_compl_get(rxo
);
2032 if (lancer_chip(adapter
))
2035 if (flush_wait
++ > 10 || be_hw_error(adapter
)) {
2036 dev_warn(&adapter
->pdev
->dev
,
2037 "did not receive flush compl\n");
2040 be_cq_notify(adapter
, rx_cq
->id
, true, 0);
2043 be_rx_compl_discard(rxo
, rxcp
);
2044 be_cq_notify(adapter
, rx_cq
->id
, false, 1);
2045 if (rxcp
->num_rcvd
== 0)
2050 /* After cleanup, leave the CQ in unarmed state */
2051 be_cq_notify(adapter
, rx_cq
->id
, false, 0);
2053 /* Then free posted rx buffers that were not used */
2054 while (atomic_read(&rxq
->used
) > 0) {
2055 page_info
= get_rx_page_info(rxo
);
2056 put_page(page_info
->page
);
2057 memset(page_info
, 0, sizeof(*page_info
));
2059 BUG_ON(atomic_read(&rxq
->used
));
2060 rxq
->tail
= rxq
->head
= 0;
2063 static void be_tx_compl_clean(struct be_adapter
*adapter
)
2065 struct be_tx_obj
*txo
;
2066 struct be_queue_info
*txq
;
2067 struct be_eth_tx_compl
*txcp
;
2068 u16 end_idx
, cmpl
= 0, timeo
= 0, num_wrbs
= 0;
2069 struct sk_buff
*sent_skb
;
2071 int i
, pending_txqs
;
2073 /* Stop polling for compls when HW has been silent for 10ms */
2075 pending_txqs
= adapter
->num_tx_qs
;
2077 for_all_tx_queues(adapter
, txo
, i
) {
2081 while ((txcp
= be_tx_compl_get(&txo
->cq
))) {
2083 AMAP_GET_BITS(struct amap_eth_tx_compl
,
2085 num_wrbs
+= be_tx_compl_process(adapter
, txo
,
2090 be_cq_notify(adapter
, txo
->cq
.id
, false, cmpl
);
2091 atomic_sub(num_wrbs
, &txq
->used
);
2094 if (atomic_read(&txq
->used
) == 0)
2098 if (pending_txqs
== 0 || ++timeo
> 10 || be_hw_error(adapter
))
2104 for_all_tx_queues(adapter
, txo
, i
) {
2106 if (atomic_read(&txq
->used
))
2107 dev_err(&adapter
->pdev
->dev
, "%d pending tx-compls\n",
2108 atomic_read(&txq
->used
));
2110 /* free posted tx for which compls will never arrive */
2111 while (atomic_read(&txq
->used
)) {
2112 sent_skb
= txo
->sent_skb_list
[txq
->tail
];
2113 end_idx
= txq
->tail
;
2114 num_wrbs
= wrb_cnt_for_skb(adapter
, sent_skb
,
2116 index_adv(&end_idx
, num_wrbs
- 1, txq
->len
);
2117 num_wrbs
= be_tx_compl_process(adapter
, txo
, end_idx
);
2118 atomic_sub(num_wrbs
, &txq
->used
);
2123 static void be_evt_queues_destroy(struct be_adapter
*adapter
)
2125 struct be_eq_obj
*eqo
;
2128 for_all_evt_queues(adapter
, eqo
, i
) {
2129 if (eqo
->q
.created
) {
2131 be_cmd_q_destroy(adapter
, &eqo
->q
, QTYPE_EQ
);
2132 napi_hash_del(&eqo
->napi
);
2133 netif_napi_del(&eqo
->napi
);
2135 be_queue_free(adapter
, &eqo
->q
);
2139 static int be_evt_queues_create(struct be_adapter
*adapter
)
2141 struct be_queue_info
*eq
;
2142 struct be_eq_obj
*eqo
;
2143 struct be_aic_obj
*aic
;
2146 adapter
->num_evt_qs
= min_t(u16
, num_irqs(adapter
),
2147 adapter
->cfg_num_qs
);
2149 for_all_evt_queues(adapter
, eqo
, i
) {
2150 netif_napi_add(adapter
->netdev
, &eqo
->napi
, be_poll
,
2152 napi_hash_add(&eqo
->napi
);
2153 aic
= &adapter
->aic_obj
[i
];
2154 eqo
->adapter
= adapter
;
2155 eqo
->tx_budget
= BE_TX_BUDGET
;
2157 aic
->max_eqd
= BE_MAX_EQD
;
2161 rc
= be_queue_alloc(adapter
, eq
, EVNT_Q_LEN
,
2162 sizeof(struct be_eq_entry
));
2166 rc
= be_cmd_eq_create(adapter
, eqo
);
2173 static void be_mcc_queues_destroy(struct be_adapter
*adapter
)
2175 struct be_queue_info
*q
;
2177 q
= &adapter
->mcc_obj
.q
;
2179 be_cmd_q_destroy(adapter
, q
, QTYPE_MCCQ
);
2180 be_queue_free(adapter
, q
);
2182 q
= &adapter
->mcc_obj
.cq
;
2184 be_cmd_q_destroy(adapter
, q
, QTYPE_CQ
);
2185 be_queue_free(adapter
, q
);
2188 /* Must be called only after TX qs are created as MCC shares TX EQ */
2189 static int be_mcc_queues_create(struct be_adapter
*adapter
)
2191 struct be_queue_info
*q
, *cq
;
2193 cq
= &adapter
->mcc_obj
.cq
;
2194 if (be_queue_alloc(adapter
, cq
, MCC_CQ_LEN
,
2195 sizeof(struct be_mcc_compl
)))
2198 /* Use the default EQ for MCC completions */
2199 if (be_cmd_cq_create(adapter
, cq
, &mcc_eqo(adapter
)->q
, true, 0))
2202 q
= &adapter
->mcc_obj
.q
;
2203 if (be_queue_alloc(adapter
, q
, MCC_Q_LEN
, sizeof(struct be_mcc_wrb
)))
2204 goto mcc_cq_destroy
;
2206 if (be_cmd_mccq_create(adapter
, q
, cq
))
2212 be_queue_free(adapter
, q
);
2214 be_cmd_q_destroy(adapter
, cq
, QTYPE_CQ
);
2216 be_queue_free(adapter
, cq
);
2221 static void be_tx_queues_destroy(struct be_adapter
*adapter
)
2223 struct be_queue_info
*q
;
2224 struct be_tx_obj
*txo
;
2227 for_all_tx_queues(adapter
, txo
, i
) {
2230 be_cmd_q_destroy(adapter
, q
, QTYPE_TXQ
);
2231 be_queue_free(adapter
, q
);
2235 be_cmd_q_destroy(adapter
, q
, QTYPE_CQ
);
2236 be_queue_free(adapter
, q
);
2240 static int be_tx_qs_create(struct be_adapter
*adapter
)
2242 struct be_queue_info
*cq
, *eq
;
2243 struct be_tx_obj
*txo
;
2246 adapter
->num_tx_qs
= min(adapter
->num_evt_qs
, be_max_txqs(adapter
));
2248 for_all_tx_queues(adapter
, txo
, i
) {
2250 status
= be_queue_alloc(adapter
, cq
, TX_CQ_LEN
,
2251 sizeof(struct be_eth_tx_compl
));
2255 u64_stats_init(&txo
->stats
.sync
);
2256 u64_stats_init(&txo
->stats
.sync_compl
);
2258 /* If num_evt_qs is less than num_tx_qs, then more than
2259 * one txq share an eq
2261 eq
= &adapter
->eq_obj
[i
% adapter
->num_evt_qs
].q
;
2262 status
= be_cmd_cq_create(adapter
, cq
, eq
, false, 3);
2266 status
= be_queue_alloc(adapter
, &txo
->q
, TX_Q_LEN
,
2267 sizeof(struct be_eth_wrb
));
2271 status
= be_cmd_txq_create(adapter
, txo
);
2276 dev_info(&adapter
->pdev
->dev
, "created %d TX queue(s)\n",
2277 adapter
->num_tx_qs
);
2281 static void be_rx_cqs_destroy(struct be_adapter
*adapter
)
2283 struct be_queue_info
*q
;
2284 struct be_rx_obj
*rxo
;
2287 for_all_rx_queues(adapter
, rxo
, i
) {
2290 be_cmd_q_destroy(adapter
, q
, QTYPE_CQ
);
2291 be_queue_free(adapter
, q
);
2295 static int be_rx_cqs_create(struct be_adapter
*adapter
)
2297 struct be_queue_info
*eq
, *cq
;
2298 struct be_rx_obj
*rxo
;
2301 /* We can create as many RSS rings as there are EQs. */
2302 adapter
->num_rx_qs
= adapter
->num_evt_qs
;
2304 /* We'll use RSS only if atleast 2 RSS rings are supported.
2305 * When RSS is used, we'll need a default RXQ for non-IP traffic.
2307 if (adapter
->num_rx_qs
> 1)
2308 adapter
->num_rx_qs
++;
2310 adapter
->big_page_size
= (1 << get_order(rx_frag_size
)) * PAGE_SIZE
;
2311 for_all_rx_queues(adapter
, rxo
, i
) {
2312 rxo
->adapter
= adapter
;
2314 rc
= be_queue_alloc(adapter
, cq
, RX_CQ_LEN
,
2315 sizeof(struct be_eth_rx_compl
));
2319 u64_stats_init(&rxo
->stats
.sync
);
2320 eq
= &adapter
->eq_obj
[i
% adapter
->num_evt_qs
].q
;
2321 rc
= be_cmd_cq_create(adapter
, cq
, eq
, false, 3);
2326 dev_info(&adapter
->pdev
->dev
,
2327 "created %d RSS queue(s) and 1 default RX queue\n",
2328 adapter
->num_rx_qs
- 1);
2332 static irqreturn_t
be_intx(int irq
, void *dev
)
2334 struct be_eq_obj
*eqo
= dev
;
2335 struct be_adapter
*adapter
= eqo
->adapter
;
2338 /* IRQ is not expected when NAPI is scheduled as the EQ
2339 * will not be armed.
2340 * But, this can happen on Lancer INTx where it takes
2341 * a while to de-assert INTx or in BE2 where occasionaly
2342 * an interrupt may be raised even when EQ is unarmed.
2343 * If NAPI is already scheduled, then counting & notifying
2344 * events will orphan them.
2346 if (napi_schedule_prep(&eqo
->napi
)) {
2347 num_evts
= events_get(eqo
);
2348 __napi_schedule(&eqo
->napi
);
2350 eqo
->spurious_intr
= 0;
2352 be_eq_notify(adapter
, eqo
->q
.id
, false, true, num_evts
);
2354 /* Return IRQ_HANDLED only for the the first spurious intr
2355 * after a valid intr to stop the kernel from branding
2356 * this irq as a bad one!
2358 if (num_evts
|| eqo
->spurious_intr
++ == 0)
2364 static irqreturn_t
be_msix(int irq
, void *dev
)
2366 struct be_eq_obj
*eqo
= dev
;
2368 be_eq_notify(eqo
->adapter
, eqo
->q
.id
, false, true, 0);
2369 napi_schedule(&eqo
->napi
);
2373 static inline bool do_gro(struct be_rx_compl_info
*rxcp
)
2375 return (rxcp
->tcpf
&& !rxcp
->err
&& rxcp
->l4_csum
) ? true : false;
2378 static int be_process_rx(struct be_rx_obj
*rxo
, struct napi_struct
*napi
,
2379 int budget
, int polling
)
2381 struct be_adapter
*adapter
= rxo
->adapter
;
2382 struct be_queue_info
*rx_cq
= &rxo
->cq
;
2383 struct be_rx_compl_info
*rxcp
;
2386 for (work_done
= 0; work_done
< budget
; work_done
++) {
2387 rxcp
= be_rx_compl_get(rxo
);
2391 /* Is it a flush compl that has no data */
2392 if (unlikely(rxcp
->num_rcvd
== 0))
2395 /* Discard compl with partial DMA Lancer B0 */
2396 if (unlikely(!rxcp
->pkt_size
)) {
2397 be_rx_compl_discard(rxo
, rxcp
);
2401 /* On BE drop pkts that arrive due to imperfect filtering in
2402 * promiscuous mode on some skews
2404 if (unlikely(rxcp
->port
!= adapter
->port_num
&&
2405 !lancer_chip(adapter
))) {
2406 be_rx_compl_discard(rxo
, rxcp
);
2410 /* Don't do gro when we're busy_polling */
2411 if (do_gro(rxcp
) && polling
!= BUSY_POLLING
)
2412 be_rx_compl_process_gro(rxo
, napi
, rxcp
);
2414 be_rx_compl_process(rxo
, napi
, rxcp
);
2417 be_rx_stats_update(rxo
, rxcp
);
2421 be_cq_notify(adapter
, rx_cq
->id
, true, work_done
);
2423 /* When an rx-obj gets into post_starved state, just
2424 * let be_worker do the posting.
2426 if (atomic_read(&rxo
->q
.used
) < RX_FRAGS_REFILL_WM
&&
2427 !rxo
->rx_post_starved
)
2428 be_post_rx_frags(rxo
, GFP_ATOMIC
);
2434 static bool be_process_tx(struct be_adapter
*adapter
, struct be_tx_obj
*txo
,
2435 int budget
, int idx
)
2437 struct be_eth_tx_compl
*txcp
;
2438 int num_wrbs
= 0, work_done
;
2440 for (work_done
= 0; work_done
< budget
; work_done
++) {
2441 txcp
= be_tx_compl_get(&txo
->cq
);
2444 num_wrbs
+= be_tx_compl_process(adapter
, txo
,
2445 AMAP_GET_BITS(struct
2451 be_cq_notify(adapter
, txo
->cq
.id
, true, work_done
);
2452 atomic_sub(num_wrbs
, &txo
->q
.used
);
2454 /* As Tx wrbs have been freed up, wake up netdev queue
2455 * if it was stopped due to lack of tx wrbs. */
2456 if (__netif_subqueue_stopped(adapter
->netdev
, idx
) &&
2457 atomic_read(&txo
->q
.used
) < txo
->q
.len
/ 2) {
2458 netif_wake_subqueue(adapter
->netdev
, idx
);
2461 u64_stats_update_begin(&tx_stats(txo
)->sync_compl
);
2462 tx_stats(txo
)->tx_compl
+= work_done
;
2463 u64_stats_update_end(&tx_stats(txo
)->sync_compl
);
2465 return (work_done
< budget
); /* Done */
2468 int be_poll(struct napi_struct
*napi
, int budget
)
2470 struct be_eq_obj
*eqo
= container_of(napi
, struct be_eq_obj
, napi
);
2471 struct be_adapter
*adapter
= eqo
->adapter
;
2472 int max_work
= 0, work
, i
, num_evts
;
2473 struct be_rx_obj
*rxo
;
2476 num_evts
= events_get(eqo
);
2478 /* Process all TXQs serviced by this EQ */
2479 for (i
= eqo
->idx
; i
< adapter
->num_tx_qs
; i
+= adapter
->num_evt_qs
) {
2480 tx_done
= be_process_tx(adapter
, &adapter
->tx_obj
[i
],
2486 if (be_lock_napi(eqo
)) {
2487 /* This loop will iterate twice for EQ0 in which
2488 * completions of the last RXQ (default one) are also processed
2489 * For other EQs the loop iterates only once
2491 for_all_rx_queues_on_eq(adapter
, eqo
, rxo
, i
) {
2492 work
= be_process_rx(rxo
, napi
, budget
, NAPI_POLLING
);
2493 max_work
= max(work
, max_work
);
2495 be_unlock_napi(eqo
);
2500 if (is_mcc_eqo(eqo
))
2501 be_process_mcc(adapter
);
2503 if (max_work
< budget
) {
2504 napi_complete(napi
);
2505 be_eq_notify(adapter
, eqo
->q
.id
, true, false, num_evts
);
2507 /* As we'll continue in polling mode, count and clear events */
2508 be_eq_notify(adapter
, eqo
->q
.id
, false, false, num_evts
);
2513 #ifdef CONFIG_NET_RX_BUSY_POLL
2514 static int be_busy_poll(struct napi_struct
*napi
)
2516 struct be_eq_obj
*eqo
= container_of(napi
, struct be_eq_obj
, napi
);
2517 struct be_adapter
*adapter
= eqo
->adapter
;
2518 struct be_rx_obj
*rxo
;
2521 if (!be_lock_busy_poll(eqo
))
2522 return LL_FLUSH_BUSY
;
2524 for_all_rx_queues_on_eq(adapter
, eqo
, rxo
, i
) {
2525 work
= be_process_rx(rxo
, napi
, 4, BUSY_POLLING
);
2530 be_unlock_busy_poll(eqo
);
2535 void be_detect_error(struct be_adapter
*adapter
)
2537 u32 ue_lo
= 0, ue_hi
= 0, ue_lo_mask
= 0, ue_hi_mask
= 0;
2538 u32 sliport_status
= 0, sliport_err1
= 0, sliport_err2
= 0;
2540 bool error_detected
= false;
2541 struct device
*dev
= &adapter
->pdev
->dev
;
2542 struct net_device
*netdev
= adapter
->netdev
;
2544 if (be_hw_error(adapter
))
2547 if (lancer_chip(adapter
)) {
2548 sliport_status
= ioread32(adapter
->db
+ SLIPORT_STATUS_OFFSET
);
2549 if (sliport_status
& SLIPORT_STATUS_ERR_MASK
) {
2550 sliport_err1
= ioread32(adapter
->db
+
2551 SLIPORT_ERROR1_OFFSET
);
2552 sliport_err2
= ioread32(adapter
->db
+
2553 SLIPORT_ERROR2_OFFSET
);
2554 adapter
->hw_error
= true;
2555 /* Do not log error messages if its a FW reset */
2556 if (sliport_err1
== SLIPORT_ERROR_FW_RESET1
&&
2557 sliport_err2
== SLIPORT_ERROR_FW_RESET2
) {
2558 dev_info(dev
, "Firmware update in progress\n");
2560 error_detected
= true;
2561 dev_err(dev
, "Error detected in the card\n");
2562 dev_err(dev
, "ERR: sliport status 0x%x\n",
2564 dev_err(dev
, "ERR: sliport error1 0x%x\n",
2566 dev_err(dev
, "ERR: sliport error2 0x%x\n",
2571 pci_read_config_dword(adapter
->pdev
,
2572 PCICFG_UE_STATUS_LOW
, &ue_lo
);
2573 pci_read_config_dword(adapter
->pdev
,
2574 PCICFG_UE_STATUS_HIGH
, &ue_hi
);
2575 pci_read_config_dword(adapter
->pdev
,
2576 PCICFG_UE_STATUS_LOW_MASK
, &ue_lo_mask
);
2577 pci_read_config_dword(adapter
->pdev
,
2578 PCICFG_UE_STATUS_HI_MASK
, &ue_hi_mask
);
2580 ue_lo
= (ue_lo
& ~ue_lo_mask
);
2581 ue_hi
= (ue_hi
& ~ue_hi_mask
);
2583 /* On certain platforms BE hardware can indicate spurious UEs.
2584 * Allow HW to stop working completely in case of a real UE.
2585 * Hence not setting the hw_error for UE detection.
2588 if (ue_lo
|| ue_hi
) {
2589 error_detected
= true;
2591 "Unrecoverable Error detected in the adapter");
2592 dev_err(dev
, "Please reboot server to recover");
2593 if (skyhawk_chip(adapter
))
2594 adapter
->hw_error
= true;
2595 for (i
= 0; ue_lo
; ue_lo
>>= 1, i
++) {
2597 dev_err(dev
, "UE: %s bit set\n",
2598 ue_status_low_desc
[i
]);
2600 for (i
= 0; ue_hi
; ue_hi
>>= 1, i
++) {
2602 dev_err(dev
, "UE: %s bit set\n",
2603 ue_status_hi_desc
[i
]);
2608 netif_carrier_off(netdev
);
2611 static void be_msix_disable(struct be_adapter
*adapter
)
2613 if (msix_enabled(adapter
)) {
2614 pci_disable_msix(adapter
->pdev
);
2615 adapter
->num_msix_vec
= 0;
2616 adapter
->num_msix_roce_vec
= 0;
2620 static int be_msix_enable(struct be_adapter
*adapter
)
2623 struct device
*dev
= &adapter
->pdev
->dev
;
2625 /* If RoCE is supported, program the max number of NIC vectors that
2626 * may be configured via set-channels, along with vectors needed for
2627 * RoCe. Else, just program the number we'll use initially.
2629 if (be_roce_supported(adapter
))
2630 num_vec
= min_t(int, 2 * be_max_eqs(adapter
),
2631 2 * num_online_cpus());
2633 num_vec
= adapter
->cfg_num_qs
;
2635 for (i
= 0; i
< num_vec
; i
++)
2636 adapter
->msix_entries
[i
].entry
= i
;
2638 num_vec
= pci_enable_msix_range(adapter
->pdev
, adapter
->msix_entries
,
2639 MIN_MSIX_VECTORS
, num_vec
);
2643 if (be_roce_supported(adapter
) && num_vec
> MIN_MSIX_VECTORS
) {
2644 adapter
->num_msix_roce_vec
= num_vec
/ 2;
2645 dev_info(dev
, "enabled %d MSI-x vector(s) for RoCE\n",
2646 adapter
->num_msix_roce_vec
);
2649 adapter
->num_msix_vec
= num_vec
- adapter
->num_msix_roce_vec
;
2651 dev_info(dev
, "enabled %d MSI-x vector(s) for NIC\n",
2652 adapter
->num_msix_vec
);
2656 dev_warn(dev
, "MSIx enable failed\n");
2658 /* INTx is not supported in VFs, so fail probe if enable_msix fails */
2659 if (!be_physfn(adapter
))
2664 static inline int be_msix_vec_get(struct be_adapter
*adapter
,
2665 struct be_eq_obj
*eqo
)
2667 return adapter
->msix_entries
[eqo
->msix_idx
].vector
;
2670 static int be_msix_register(struct be_adapter
*adapter
)
2672 struct net_device
*netdev
= adapter
->netdev
;
2673 struct be_eq_obj
*eqo
;
2676 for_all_evt_queues(adapter
, eqo
, i
) {
2677 sprintf(eqo
->desc
, "%s-q%d", netdev
->name
, i
);
2678 vec
= be_msix_vec_get(adapter
, eqo
);
2679 status
= request_irq(vec
, be_msix
, 0, eqo
->desc
, eqo
);
2686 for (i
--, eqo
= &adapter
->eq_obj
[i
]; i
>= 0; i
--, eqo
--)
2687 free_irq(be_msix_vec_get(adapter
, eqo
), eqo
);
2688 dev_warn(&adapter
->pdev
->dev
, "MSIX Request IRQ failed - err %d\n",
2690 be_msix_disable(adapter
);
2694 static int be_irq_register(struct be_adapter
*adapter
)
2696 struct net_device
*netdev
= adapter
->netdev
;
2699 if (msix_enabled(adapter
)) {
2700 status
= be_msix_register(adapter
);
2703 /* INTx is not supported for VF */
2704 if (!be_physfn(adapter
))
2708 /* INTx: only the first EQ is used */
2709 netdev
->irq
= adapter
->pdev
->irq
;
2710 status
= request_irq(netdev
->irq
, be_intx
, IRQF_SHARED
, netdev
->name
,
2711 &adapter
->eq_obj
[0]);
2713 dev_err(&adapter
->pdev
->dev
,
2714 "INTx request IRQ failed - err %d\n", status
);
2718 adapter
->isr_registered
= true;
2722 static void be_irq_unregister(struct be_adapter
*adapter
)
2724 struct net_device
*netdev
= adapter
->netdev
;
2725 struct be_eq_obj
*eqo
;
2728 if (!adapter
->isr_registered
)
2732 if (!msix_enabled(adapter
)) {
2733 free_irq(netdev
->irq
, &adapter
->eq_obj
[0]);
2738 for_all_evt_queues(adapter
, eqo
, i
)
2739 free_irq(be_msix_vec_get(adapter
, eqo
), eqo
);
2742 adapter
->isr_registered
= false;
2745 static void be_rx_qs_destroy(struct be_adapter
*adapter
)
2747 struct be_queue_info
*q
;
2748 struct be_rx_obj
*rxo
;
2751 for_all_rx_queues(adapter
, rxo
, i
) {
2754 be_cmd_rxq_destroy(adapter
, q
);
2755 be_rx_cq_clean(rxo
);
2757 be_queue_free(adapter
, q
);
2761 static int be_close(struct net_device
*netdev
)
2763 struct be_adapter
*adapter
= netdev_priv(netdev
);
2764 struct be_eq_obj
*eqo
;
2767 /* This protection is needed as be_close() may be called even when the
2768 * adapter is in cleared state (after eeh perm failure)
2770 if (!(adapter
->flags
& BE_FLAGS_SETUP_DONE
))
2773 be_roce_dev_close(adapter
);
2775 if (adapter
->flags
& BE_FLAGS_NAPI_ENABLED
) {
2776 for_all_evt_queues(adapter
, eqo
, i
) {
2777 napi_disable(&eqo
->napi
);
2778 be_disable_busy_poll(eqo
);
2780 adapter
->flags
&= ~BE_FLAGS_NAPI_ENABLED
;
2783 be_async_mcc_disable(adapter
);
2785 /* Wait for all pending tx completions to arrive so that
2786 * all tx skbs are freed.
2788 netif_tx_disable(netdev
);
2789 be_tx_compl_clean(adapter
);
2791 be_rx_qs_destroy(adapter
);
2793 for (i
= 1; i
< (adapter
->uc_macs
+ 1); i
++)
2794 be_cmd_pmac_del(adapter
, adapter
->if_handle
,
2795 adapter
->pmac_id
[i
], 0);
2796 adapter
->uc_macs
= 0;
2798 for_all_evt_queues(adapter
, eqo
, i
) {
2799 if (msix_enabled(adapter
))
2800 synchronize_irq(be_msix_vec_get(adapter
, eqo
));
2802 synchronize_irq(netdev
->irq
);
2806 be_irq_unregister(adapter
);
2811 static int be_rx_qs_create(struct be_adapter
*adapter
)
2813 struct be_rx_obj
*rxo
;
2815 u8 rss_hkey
[RSS_HASH_KEY_LEN
];
2816 struct rss_info
*rss
= &adapter
->rss_info
;
2818 for_all_rx_queues(adapter
, rxo
, i
) {
2819 rc
= be_queue_alloc(adapter
, &rxo
->q
, RX_Q_LEN
,
2820 sizeof(struct be_eth_rx_d
));
2825 /* The FW would like the default RXQ to be created first */
2826 rxo
= default_rxo(adapter
);
2827 rc
= be_cmd_rxq_create(adapter
, &rxo
->q
, rxo
->cq
.id
, rx_frag_size
,
2828 adapter
->if_handle
, false, &rxo
->rss_id
);
2832 for_all_rss_queues(adapter
, rxo
, i
) {
2833 rc
= be_cmd_rxq_create(adapter
, &rxo
->q
, rxo
->cq
.id
,
2834 rx_frag_size
, adapter
->if_handle
,
2835 true, &rxo
->rss_id
);
2840 if (be_multi_rxq(adapter
)) {
2841 for (j
= 0; j
< RSS_INDIR_TABLE_LEN
;
2842 j
+= adapter
->num_rx_qs
- 1) {
2843 for_all_rss_queues(adapter
, rxo
, i
) {
2844 if ((j
+ i
) >= RSS_INDIR_TABLE_LEN
)
2846 rss
->rsstable
[j
+ i
] = rxo
->rss_id
;
2847 rss
->rss_queue
[j
+ i
] = i
;
2850 rss
->rss_flags
= RSS_ENABLE_TCP_IPV4
| RSS_ENABLE_IPV4
|
2851 RSS_ENABLE_TCP_IPV6
| RSS_ENABLE_IPV6
;
2853 if (!BEx_chip(adapter
))
2854 rss
->rss_flags
|= RSS_ENABLE_UDP_IPV4
|
2855 RSS_ENABLE_UDP_IPV6
;
2857 /* Disable RSS, if only default RX Q is created */
2858 rss
->rss_flags
= RSS_ENABLE_NONE
;
2861 get_random_bytes(rss_hkey
, RSS_HASH_KEY_LEN
);
2862 rc
= be_cmd_rss_config(adapter
, rss
->rsstable
, rss
->rss_flags
,
2865 rss
->rss_flags
= RSS_ENABLE_NONE
;
2869 memcpy(rss
->rss_hkey
, rss_hkey
, RSS_HASH_KEY_LEN
);
2871 /* First time posting */
2872 for_all_rx_queues(adapter
, rxo
, i
)
2873 be_post_rx_frags(rxo
, GFP_KERNEL
);
2877 static int be_open(struct net_device
*netdev
)
2879 struct be_adapter
*adapter
= netdev_priv(netdev
);
2880 struct be_eq_obj
*eqo
;
2881 struct be_rx_obj
*rxo
;
2882 struct be_tx_obj
*txo
;
2886 status
= be_rx_qs_create(adapter
);
2890 status
= be_irq_register(adapter
);
2894 for_all_rx_queues(adapter
, rxo
, i
)
2895 be_cq_notify(adapter
, rxo
->cq
.id
, true, 0);
2897 for_all_tx_queues(adapter
, txo
, i
)
2898 be_cq_notify(adapter
, txo
->cq
.id
, true, 0);
2900 be_async_mcc_enable(adapter
);
2902 for_all_evt_queues(adapter
, eqo
, i
) {
2903 napi_enable(&eqo
->napi
);
2904 be_enable_busy_poll(eqo
);
2905 be_eq_notify(adapter
, eqo
->q
.id
, true, false, 0);
2907 adapter
->flags
|= BE_FLAGS_NAPI_ENABLED
;
2909 status
= be_cmd_link_status_query(adapter
, NULL
, &link_status
, 0);
2911 be_link_status_update(adapter
, link_status
);
2913 netif_tx_start_all_queues(netdev
);
2914 be_roce_dev_open(adapter
);
2916 #ifdef CONFIG_BE2NET_VXLAN
2917 if (skyhawk_chip(adapter
))
2918 vxlan_get_rx_port(netdev
);
2923 be_close(adapter
->netdev
);
2927 static int be_setup_wol(struct be_adapter
*adapter
, bool enable
)
2929 struct be_dma_mem cmd
;
2933 memset(mac
, 0, ETH_ALEN
);
2935 cmd
.size
= sizeof(struct be_cmd_req_acpi_wol_magic_config
);
2936 cmd
.va
= dma_zalloc_coherent(&adapter
->pdev
->dev
, cmd
.size
, &cmd
.dma
,
2942 status
= pci_write_config_dword(adapter
->pdev
,
2943 PCICFG_PM_CONTROL_OFFSET
,
2944 PCICFG_PM_CONTROL_MASK
);
2946 dev_err(&adapter
->pdev
->dev
,
2947 "Could not enable Wake-on-lan\n");
2948 dma_free_coherent(&adapter
->pdev
->dev
, cmd
.size
, cmd
.va
,
2952 status
= be_cmd_enable_magic_wol(adapter
,
2953 adapter
->netdev
->dev_addr
,
2955 pci_enable_wake(adapter
->pdev
, PCI_D3hot
, 1);
2956 pci_enable_wake(adapter
->pdev
, PCI_D3cold
, 1);
2958 status
= be_cmd_enable_magic_wol(adapter
, mac
, &cmd
);
2959 pci_enable_wake(adapter
->pdev
, PCI_D3hot
, 0);
2960 pci_enable_wake(adapter
->pdev
, PCI_D3cold
, 0);
2963 dma_free_coherent(&adapter
->pdev
->dev
, cmd
.size
, cmd
.va
, cmd
.dma
);
2968 * Generate a seed MAC address from the PF MAC Address using jhash.
2969 * MAC Address for VFs are assigned incrementally starting from the seed.
2970 * These addresses are programmed in the ASIC by the PF and the VF driver
2971 * queries for the MAC address during its probe.
2973 static int be_vf_eth_addr_config(struct be_adapter
*adapter
)
2978 struct be_vf_cfg
*vf_cfg
;
2980 be_vf_eth_addr_generate(adapter
, mac
);
2982 for_all_vfs(adapter
, vf_cfg
, vf
) {
2983 if (BEx_chip(adapter
))
2984 status
= be_cmd_pmac_add(adapter
, mac
,
2986 &vf_cfg
->pmac_id
, vf
+ 1);
2988 status
= be_cmd_set_mac(adapter
, mac
, vf_cfg
->if_handle
,
2992 dev_err(&adapter
->pdev
->dev
,
2993 "Mac address assignment failed for VF %d\n",
2996 memcpy(vf_cfg
->mac_addr
, mac
, ETH_ALEN
);
3003 static int be_vfs_mac_query(struct be_adapter
*adapter
)
3007 struct be_vf_cfg
*vf_cfg
;
3009 for_all_vfs(adapter
, vf_cfg
, vf
) {
3010 status
= be_cmd_get_active_mac(adapter
, vf_cfg
->pmac_id
,
3011 mac
, vf_cfg
->if_handle
,
3015 memcpy(vf_cfg
->mac_addr
, mac
, ETH_ALEN
);
3020 static void be_vf_clear(struct be_adapter
*adapter
)
3022 struct be_vf_cfg
*vf_cfg
;
3025 if (pci_vfs_assigned(adapter
->pdev
)) {
3026 dev_warn(&adapter
->pdev
->dev
,
3027 "VFs are assigned to VMs: not disabling VFs\n");
3031 pci_disable_sriov(adapter
->pdev
);
3033 for_all_vfs(adapter
, vf_cfg
, vf
) {
3034 if (BEx_chip(adapter
))
3035 be_cmd_pmac_del(adapter
, vf_cfg
->if_handle
,
3036 vf_cfg
->pmac_id
, vf
+ 1);
3038 be_cmd_set_mac(adapter
, NULL
, vf_cfg
->if_handle
,
3041 be_cmd_if_destroy(adapter
, vf_cfg
->if_handle
, vf
+ 1);
3044 kfree(adapter
->vf_cfg
);
3045 adapter
->num_vfs
= 0;
3048 static void be_clear_queues(struct be_adapter
*adapter
)
3050 be_mcc_queues_destroy(adapter
);
3051 be_rx_cqs_destroy(adapter
);
3052 be_tx_queues_destroy(adapter
);
3053 be_evt_queues_destroy(adapter
);
3056 static void be_cancel_worker(struct be_adapter
*adapter
)
3058 if (adapter
->flags
& BE_FLAGS_WORKER_SCHEDULED
) {
3059 cancel_delayed_work_sync(&adapter
->work
);
3060 adapter
->flags
&= ~BE_FLAGS_WORKER_SCHEDULED
;
3064 static void be_mac_clear(struct be_adapter
*adapter
)
3068 if (adapter
->pmac_id
) {
3069 for (i
= 0; i
< (adapter
->uc_macs
+ 1); i
++)
3070 be_cmd_pmac_del(adapter
, adapter
->if_handle
,
3071 adapter
->pmac_id
[i
], 0);
3072 adapter
->uc_macs
= 0;
3074 kfree(adapter
->pmac_id
);
3075 adapter
->pmac_id
= NULL
;
3079 #ifdef CONFIG_BE2NET_VXLAN
3080 static void be_disable_vxlan_offloads(struct be_adapter
*adapter
)
3082 if (adapter
->flags
& BE_FLAGS_VXLAN_OFFLOADS
)
3083 be_cmd_manage_iface(adapter
, adapter
->if_handle
,
3084 OP_CONVERT_TUNNEL_TO_NORMAL
);
3086 if (adapter
->vxlan_port
)
3087 be_cmd_set_vxlan_port(adapter
, 0);
3089 adapter
->flags
&= ~BE_FLAGS_VXLAN_OFFLOADS
;
3090 adapter
->vxlan_port
= 0;
3094 static int be_clear(struct be_adapter
*adapter
)
3096 be_cancel_worker(adapter
);
3098 if (sriov_enabled(adapter
))
3099 be_vf_clear(adapter
);
3101 #ifdef CONFIG_BE2NET_VXLAN
3102 be_disable_vxlan_offloads(adapter
);
3104 /* delete the primary mac along with the uc-mac list */
3105 be_mac_clear(adapter
);
3107 be_cmd_if_destroy(adapter
, adapter
->if_handle
, 0);
3109 be_clear_queues(adapter
);
3111 be_msix_disable(adapter
);
3112 adapter
->flags
&= ~BE_FLAGS_SETUP_DONE
;
3116 static int be_vfs_if_create(struct be_adapter
*adapter
)
3118 struct be_resources res
= {0};
3119 struct be_vf_cfg
*vf_cfg
;
3120 u32 cap_flags
, en_flags
, vf
;
3123 cap_flags
= BE_IF_FLAGS_UNTAGGED
| BE_IF_FLAGS_BROADCAST
|
3124 BE_IF_FLAGS_MULTICAST
;
3126 for_all_vfs(adapter
, vf_cfg
, vf
) {
3127 if (!BE3_chip(adapter
)) {
3128 status
= be_cmd_get_profile_config(adapter
, &res
,
3131 cap_flags
= res
.if_cap_flags
;
3134 /* If a FW profile exists, then cap_flags are updated */
3135 en_flags
= cap_flags
& (BE_IF_FLAGS_UNTAGGED
|
3136 BE_IF_FLAGS_BROADCAST
|
3137 BE_IF_FLAGS_MULTICAST
);
3139 be_cmd_if_create(adapter
, cap_flags
, en_flags
,
3140 &vf_cfg
->if_handle
, vf
+ 1);
3148 static int be_vf_setup_init(struct be_adapter
*adapter
)
3150 struct be_vf_cfg
*vf_cfg
;
3153 adapter
->vf_cfg
= kcalloc(adapter
->num_vfs
, sizeof(*vf_cfg
),
3155 if (!adapter
->vf_cfg
)
3158 for_all_vfs(adapter
, vf_cfg
, vf
) {
3159 vf_cfg
->if_handle
= -1;
3160 vf_cfg
->pmac_id
= -1;
3165 static int be_vf_setup(struct be_adapter
*adapter
)
3167 struct device
*dev
= &adapter
->pdev
->dev
;
3168 struct be_vf_cfg
*vf_cfg
;
3169 int status
, old_vfs
, vf
;
3172 old_vfs
= pci_num_vf(adapter
->pdev
);
3174 dev_info(dev
, "%d VFs are already enabled\n", old_vfs
);
3175 if (old_vfs
!= num_vfs
)
3176 dev_warn(dev
, "Ignoring num_vfs=%d setting\n", num_vfs
);
3177 adapter
->num_vfs
= old_vfs
;
3179 if (num_vfs
> be_max_vfs(adapter
))
3180 dev_info(dev
, "Device supports %d VFs and not %d\n",
3181 be_max_vfs(adapter
), num_vfs
);
3182 adapter
->num_vfs
= min_t(u16
, num_vfs
, be_max_vfs(adapter
));
3183 if (!adapter
->num_vfs
)
3187 status
= be_vf_setup_init(adapter
);
3192 for_all_vfs(adapter
, vf_cfg
, vf
) {
3193 status
= be_cmd_get_if_id(adapter
, vf_cfg
, vf
);
3198 status
= be_vfs_if_create(adapter
);
3204 status
= be_vfs_mac_query(adapter
);
3208 status
= be_vf_eth_addr_config(adapter
);
3213 for_all_vfs(adapter
, vf_cfg
, vf
) {
3214 /* Allow VFs to programs MAC/VLAN filters */
3215 status
= be_cmd_get_fn_privileges(adapter
, &privileges
, vf
+ 1);
3216 if (!status
&& !(privileges
& BE_PRIV_FILTMGMT
)) {
3217 status
= be_cmd_set_fn_privileges(adapter
,
3222 dev_info(dev
, "VF%d has FILTMGMT privilege\n",
3226 /* Allow full available bandwidth */
3228 be_cmd_config_qos(adapter
, 0, 0, vf
+ 1);
3231 be_cmd_enable_vf(adapter
, vf
+ 1);
3232 be_cmd_set_logical_link_config(adapter
,
3233 IFLA_VF_LINK_STATE_AUTO
,
3239 status
= pci_enable_sriov(adapter
->pdev
, adapter
->num_vfs
);
3241 dev_err(dev
, "SRIOV enable failed\n");
3242 adapter
->num_vfs
= 0;
3248 dev_err(dev
, "VF setup failed\n");
3249 be_vf_clear(adapter
);
3253 /* Converting function_mode bits on BE3 to SH mc_type enums */
3255 static u8
be_convert_mc_type(u32 function_mode
)
3257 if (function_mode
& VNIC_MODE
&& function_mode
& QNQ_MODE
)
3259 else if (function_mode
& QNQ_MODE
)
3261 else if (function_mode
& VNIC_MODE
)
3263 else if (function_mode
& UMC_ENABLED
)
3269 /* On BE2/BE3 FW does not suggest the supported limits */
3270 static void BEx_get_resources(struct be_adapter
*adapter
,
3271 struct be_resources
*res
)
3273 struct pci_dev
*pdev
= adapter
->pdev
;
3274 bool use_sriov
= false;
3277 if (be_physfn(adapter
) && BE3_chip(adapter
)) {
3278 be_cmd_get_profile_config(adapter
, res
, 0);
3279 /* Some old versions of BE3 FW don't report max_vfs value */
3280 if (res
->max_vfs
== 0) {
3281 max_vfs
= pci_sriov_get_totalvfs(pdev
);
3282 res
->max_vfs
= max_vfs
> 0 ? min(MAX_VFS
, max_vfs
) : 0;
3284 use_sriov
= res
->max_vfs
&& sriov_want(adapter
);
3287 if (be_physfn(adapter
))
3288 res
->max_uc_mac
= BE_UC_PMAC_COUNT
;
3290 res
->max_uc_mac
= BE_VF_UC_PMAC_COUNT
;
3292 adapter
->mc_type
= be_convert_mc_type(adapter
->function_mode
);
3294 if (be_is_mc(adapter
)) {
3295 /* Assuming that there are 4 channels per port,
3296 * when multi-channel is enabled
3298 if (be_is_qnq_mode(adapter
))
3299 res
->max_vlans
= BE_NUM_VLANS_SUPPORTED
/8;
3301 /* In a non-qnq multichannel mode, the pvid
3302 * takes up one vlan entry
3304 res
->max_vlans
= (BE_NUM_VLANS_SUPPORTED
/ 4) - 1;
3306 res
->max_vlans
= BE_NUM_VLANS_SUPPORTED
;
3309 res
->max_mcast_mac
= BE_MAX_MC
;
3311 /* 1) For BE3 1Gb ports, FW does not support multiple TXQs
3312 * 2) Create multiple TX rings on a BE3-R multi-channel interface
3313 * *only* if it is RSS-capable.
3315 if (BE2_chip(adapter
) || use_sriov
|| (adapter
->port_num
> 1) ||
3316 !be_physfn(adapter
) || (be_is_mc(adapter
) &&
3317 !(adapter
->function_caps
& BE_FUNCTION_CAPS_RSS
)))
3320 res
->max_tx_qs
= BE3_MAX_TX_QS
;
3322 if ((adapter
->function_caps
& BE_FUNCTION_CAPS_RSS
) &&
3323 !use_sriov
&& be_physfn(adapter
))
3324 res
->max_rss_qs
= (adapter
->be3_native
) ?
3325 BE3_MAX_RSS_QS
: BE2_MAX_RSS_QS
;
3326 res
->max_rx_qs
= res
->max_rss_qs
+ 1;
3328 if (be_physfn(adapter
))
3329 res
->max_evt_qs
= (res
->max_vfs
> 0) ?
3330 BE3_SRIOV_MAX_EVT_QS
: BE3_MAX_EVT_QS
;
3332 res
->max_evt_qs
= 1;
3334 res
->if_cap_flags
= BE_IF_CAP_FLAGS_WANT
;
3335 if (!(adapter
->function_caps
& BE_FUNCTION_CAPS_RSS
))
3336 res
->if_cap_flags
&= ~BE_IF_FLAGS_RSS
;
3339 static void be_setup_init(struct be_adapter
*adapter
)
3341 adapter
->vlan_prio_bmap
= 0xff;
3342 adapter
->phy
.link_speed
= -1;
3343 adapter
->if_handle
= -1;
3344 adapter
->be3_native
= false;
3345 adapter
->promiscuous
= false;
3346 if (be_physfn(adapter
))
3347 adapter
->cmd_privileges
= MAX_PRIVILEGES
;
3349 adapter
->cmd_privileges
= MIN_PRIVILEGES
;
3352 static int be_get_resources(struct be_adapter
*adapter
)
3354 struct device
*dev
= &adapter
->pdev
->dev
;
3355 struct be_resources res
= {0};
3358 if (BEx_chip(adapter
)) {
3359 BEx_get_resources(adapter
, &res
);
3363 /* For Lancer, SH etc read per-function resource limits from FW.
3364 * GET_FUNC_CONFIG returns per function guaranteed limits.
3365 * GET_PROFILE_CONFIG returns PCI-E related limits PF-pool limits
3367 if (!BEx_chip(adapter
)) {
3368 status
= be_cmd_get_func_config(adapter
, &res
);
3372 /* If RoCE may be enabled stash away half the EQs for RoCE */
3373 if (be_roce_supported(adapter
))
3374 res
.max_evt_qs
/= 2;
3377 if (be_physfn(adapter
)) {
3378 status
= be_cmd_get_profile_config(adapter
, &res
, 0);
3381 adapter
->res
.max_vfs
= res
.max_vfs
;
3384 dev_info(dev
, "Max: txqs %d, rxqs %d, rss %d, eqs %d, vfs %d\n",
3385 be_max_txqs(adapter
), be_max_rxqs(adapter
),
3386 be_max_rss(adapter
), be_max_eqs(adapter
),
3387 be_max_vfs(adapter
));
3388 dev_info(dev
, "Max: uc-macs %d, mc-macs %d, vlans %d\n",
3389 be_max_uc(adapter
), be_max_mc(adapter
),
3390 be_max_vlans(adapter
));
3396 /* Routine to query per function resource limits */
3397 static int be_get_config(struct be_adapter
*adapter
)
3402 status
= be_cmd_query_fw_cfg(adapter
, &adapter
->port_num
,
3403 &adapter
->function_mode
,
3404 &adapter
->function_caps
,
3405 &adapter
->asic_rev
);
3409 if (be_physfn(adapter
)) {
3410 status
= be_cmd_get_active_profile(adapter
, &profile_id
);
3412 dev_info(&adapter
->pdev
->dev
,
3413 "Using profile 0x%x\n", profile_id
);
3416 status
= be_get_resources(adapter
);
3420 adapter
->pmac_id
= kcalloc(be_max_uc(adapter
),
3421 sizeof(*adapter
->pmac_id
), GFP_KERNEL
);
3422 if (!adapter
->pmac_id
)
3425 /* Sanitize cfg_num_qs based on HW and platform limits */
3426 adapter
->cfg_num_qs
= min(adapter
->cfg_num_qs
, be_max_qs(adapter
));
3431 static int be_mac_setup(struct be_adapter
*adapter
)
3436 if (is_zero_ether_addr(adapter
->netdev
->dev_addr
)) {
3437 status
= be_cmd_get_perm_mac(adapter
, mac
);
3441 memcpy(adapter
->netdev
->dev_addr
, mac
, ETH_ALEN
);
3442 memcpy(adapter
->netdev
->perm_addr
, mac
, ETH_ALEN
);
3444 /* Maybe the HW was reset; dev_addr must be re-programmed */
3445 memcpy(mac
, adapter
->netdev
->dev_addr
, ETH_ALEN
);
3448 /* For BE3-R VFs, the PF programs the initial MAC address */
3449 if (!(BEx_chip(adapter
) && be_virtfn(adapter
)))
3450 be_cmd_pmac_add(adapter
, mac
, adapter
->if_handle
,
3451 &adapter
->pmac_id
[0], 0);
3455 static void be_schedule_worker(struct be_adapter
*adapter
)
3457 schedule_delayed_work(&adapter
->work
, msecs_to_jiffies(1000));
3458 adapter
->flags
|= BE_FLAGS_WORKER_SCHEDULED
;
3461 static int be_setup_queues(struct be_adapter
*adapter
)
3463 struct net_device
*netdev
= adapter
->netdev
;
3466 status
= be_evt_queues_create(adapter
);
3470 status
= be_tx_qs_create(adapter
);
3474 status
= be_rx_cqs_create(adapter
);
3478 status
= be_mcc_queues_create(adapter
);
3482 status
= netif_set_real_num_rx_queues(netdev
, adapter
->num_rx_qs
);
3486 status
= netif_set_real_num_tx_queues(netdev
, adapter
->num_tx_qs
);
3492 dev_err(&adapter
->pdev
->dev
, "queue_setup failed\n");
3496 int be_update_queues(struct be_adapter
*adapter
)
3498 struct net_device
*netdev
= adapter
->netdev
;
3501 if (netif_running(netdev
))
3504 be_cancel_worker(adapter
);
3506 /* If any vectors have been shared with RoCE we cannot re-program
3509 if (!adapter
->num_msix_roce_vec
)
3510 be_msix_disable(adapter
);
3512 be_clear_queues(adapter
);
3514 if (!msix_enabled(adapter
)) {
3515 status
= be_msix_enable(adapter
);
3520 status
= be_setup_queues(adapter
);
3524 be_schedule_worker(adapter
);
3526 if (netif_running(netdev
))
3527 status
= be_open(netdev
);
3532 static int be_setup(struct be_adapter
*adapter
)
3534 struct device
*dev
= &adapter
->pdev
->dev
;
3535 u32 tx_fc
, rx_fc
, en_flags
;
3538 be_setup_init(adapter
);
3540 if (!lancer_chip(adapter
))
3541 be_cmd_req_native_mode(adapter
);
3543 status
= be_get_config(adapter
);
3547 status
= be_msix_enable(adapter
);
3551 en_flags
= BE_IF_FLAGS_UNTAGGED
| BE_IF_FLAGS_BROADCAST
|
3552 BE_IF_FLAGS_MULTICAST
| BE_IF_FLAGS_PASS_L3L4_ERRORS
;
3553 if (adapter
->function_caps
& BE_FUNCTION_CAPS_RSS
)
3554 en_flags
|= BE_IF_FLAGS_RSS
;
3555 en_flags
= en_flags
& be_if_cap_flags(adapter
);
3556 status
= be_cmd_if_create(adapter
, be_if_cap_flags(adapter
), en_flags
,
3557 &adapter
->if_handle
, 0);
3561 /* Updating real_num_tx/rx_queues() requires rtnl_lock() */
3563 status
= be_setup_queues(adapter
);
3568 be_cmd_get_fn_privileges(adapter
, &adapter
->cmd_privileges
, 0);
3570 status
= be_mac_setup(adapter
);
3574 be_cmd_get_fw_ver(adapter
, adapter
->fw_ver
, adapter
->fw_on_flash
);
3576 if (BE2_chip(adapter
) && fw_major_num(adapter
->fw_ver
) < 4) {
3577 dev_err(dev
, "Firmware on card is old(%s), IRQs may not work.",
3579 dev_err(dev
, "Please upgrade firmware to version >= 4.0\n");
3582 if (adapter
->vlans_added
)
3583 be_vid_config(adapter
);
3585 be_set_rx_mode(adapter
->netdev
);
3587 be_cmd_get_acpi_wol_cap(adapter
);
3589 be_cmd_get_flow_control(adapter
, &tx_fc
, &rx_fc
);
3591 if (rx_fc
!= adapter
->rx_fc
|| tx_fc
!= adapter
->tx_fc
)
3592 be_cmd_set_flow_control(adapter
, adapter
->tx_fc
,
3595 if (be_physfn(adapter
))
3596 be_cmd_set_logical_link_config(adapter
,
3597 IFLA_VF_LINK_STATE_AUTO
, 0);
3599 if (sriov_want(adapter
)) {
3600 if (be_max_vfs(adapter
))
3601 be_vf_setup(adapter
);
3603 dev_warn(dev
, "device doesn't support SRIOV\n");
3606 status
= be_cmd_get_phy_info(adapter
);
3607 if (!status
&& be_pause_supported(adapter
))
3608 adapter
->phy
.fc_autoneg
= 1;
3610 be_schedule_worker(adapter
);
3611 adapter
->flags
|= BE_FLAGS_SETUP_DONE
;
3618 #ifdef CONFIG_NET_POLL_CONTROLLER
3619 static void be_netpoll(struct net_device
*netdev
)
3621 struct be_adapter
*adapter
= netdev_priv(netdev
);
3622 struct be_eq_obj
*eqo
;
3625 for_all_evt_queues(adapter
, eqo
, i
) {
3626 be_eq_notify(eqo
->adapter
, eqo
->q
.id
, false, true, 0);
3627 napi_schedule(&eqo
->napi
);
3634 static char flash_cookie
[2][16] = {"*** SE FLAS", "H DIRECTORY *** "};
3636 static bool phy_flashing_required(struct be_adapter
*adapter
)
3638 return (adapter
->phy
.phy_type
== TN_8022
&&
3639 adapter
->phy
.interface_type
== PHY_TYPE_BASET_10GB
);
3642 static bool is_comp_in_ufi(struct be_adapter
*adapter
,
3643 struct flash_section_info
*fsec
, int type
)
3645 int i
= 0, img_type
= 0;
3646 struct flash_section_info_g2
*fsec_g2
= NULL
;
3648 if (BE2_chip(adapter
))
3649 fsec_g2
= (struct flash_section_info_g2
*)fsec
;
3651 for (i
= 0; i
< MAX_FLASH_COMP
; i
++) {
3653 img_type
= le32_to_cpu(fsec_g2
->fsec_entry
[i
].type
);
3655 img_type
= le32_to_cpu(fsec
->fsec_entry
[i
].type
);
3657 if (img_type
== type
)
3664 static struct flash_section_info
*get_fsec_info(struct be_adapter
*adapter
,
3666 const struct firmware
*fw
)
3668 struct flash_section_info
*fsec
= NULL
;
3669 const u8
*p
= fw
->data
;
3672 while (p
< (fw
->data
+ fw
->size
)) {
3673 fsec
= (struct flash_section_info
*)p
;
3674 if (!memcmp(flash_cookie
, fsec
->cookie
, sizeof(flash_cookie
)))
3681 static int be_check_flash_crc(struct be_adapter
*adapter
, const u8
*p
,
3682 u32 img_offset
, u32 img_size
, int hdr_size
,
3683 u16 img_optype
, bool *crc_match
)
3689 status
= be_cmd_get_flash_crc(adapter
, crc
, img_optype
, img_size
- 4);
3693 crc_offset
= hdr_size
+ img_offset
+ img_size
- 4;
3695 /* Skip flashing, if crc of flashed region matches */
3696 if (!memcmp(crc
, p
+ crc_offset
, 4))
3704 static int be_flash(struct be_adapter
*adapter
, const u8
*img
,
3705 struct be_dma_mem
*flash_cmd
, int optype
, int img_size
)
3707 struct be_cmd_write_flashrom
*req
= flash_cmd
->va
;
3708 u32 total_bytes
, flash_op
, num_bytes
;
3711 total_bytes
= img_size
;
3712 while (total_bytes
) {
3713 num_bytes
= min_t(u32
, 32*1024, total_bytes
);
3715 total_bytes
-= num_bytes
;
3718 if (optype
== OPTYPE_PHY_FW
)
3719 flash_op
= FLASHROM_OPER_PHY_FLASH
;
3721 flash_op
= FLASHROM_OPER_FLASH
;
3723 if (optype
== OPTYPE_PHY_FW
)
3724 flash_op
= FLASHROM_OPER_PHY_SAVE
;
3726 flash_op
= FLASHROM_OPER_SAVE
;
3729 memcpy(req
->data_buf
, img
, num_bytes
);
3731 status
= be_cmd_write_flashrom(adapter
, flash_cmd
, optype
,
3732 flash_op
, num_bytes
);
3733 if (base_status(status
) == MCC_STATUS_ILLEGAL_REQUEST
&&
3734 optype
== OPTYPE_PHY_FW
)
3742 /* For BE2, BE3 and BE3-R */
3743 static int be_flash_BEx(struct be_adapter
*adapter
,
3744 const struct firmware
*fw
,
3745 struct be_dma_mem
*flash_cmd
, int num_of_images
)
3747 int img_hdrs_size
= (num_of_images
* sizeof(struct image_hdr
));
3748 struct device
*dev
= &adapter
->pdev
->dev
;
3749 struct flash_section_info
*fsec
= NULL
;
3750 int status
, i
, filehdr_size
, num_comp
;
3751 const struct flash_comp
*pflashcomp
;
3755 struct flash_comp gen3_flash_types
[] = {
3756 { FLASH_iSCSI_PRIMARY_IMAGE_START_g3
, OPTYPE_ISCSI_ACTIVE
,
3757 FLASH_IMAGE_MAX_SIZE_g3
, IMAGE_FIRMWARE_iSCSI
},
3758 { FLASH_REDBOOT_START_g3
, OPTYPE_REDBOOT
,
3759 FLASH_REDBOOT_IMAGE_MAX_SIZE_g3
, IMAGE_BOOT_CODE
},
3760 { FLASH_iSCSI_BIOS_START_g3
, OPTYPE_BIOS
,
3761 FLASH_BIOS_IMAGE_MAX_SIZE_g3
, IMAGE_OPTION_ROM_ISCSI
},
3762 { FLASH_PXE_BIOS_START_g3
, OPTYPE_PXE_BIOS
,
3763 FLASH_BIOS_IMAGE_MAX_SIZE_g3
, IMAGE_OPTION_ROM_PXE
},
3764 { FLASH_FCoE_BIOS_START_g3
, OPTYPE_FCOE_BIOS
,
3765 FLASH_BIOS_IMAGE_MAX_SIZE_g3
, IMAGE_OPTION_ROM_FCoE
},
3766 { FLASH_iSCSI_BACKUP_IMAGE_START_g3
, OPTYPE_ISCSI_BACKUP
,
3767 FLASH_IMAGE_MAX_SIZE_g3
, IMAGE_FIRMWARE_BACKUP_iSCSI
},
3768 { FLASH_FCoE_PRIMARY_IMAGE_START_g3
, OPTYPE_FCOE_FW_ACTIVE
,
3769 FLASH_IMAGE_MAX_SIZE_g3
, IMAGE_FIRMWARE_FCoE
},
3770 { FLASH_FCoE_BACKUP_IMAGE_START_g3
, OPTYPE_FCOE_FW_BACKUP
,
3771 FLASH_IMAGE_MAX_SIZE_g3
, IMAGE_FIRMWARE_BACKUP_FCoE
},
3772 { FLASH_NCSI_START_g3
, OPTYPE_NCSI_FW
,
3773 FLASH_NCSI_IMAGE_MAX_SIZE_g3
, IMAGE_NCSI
},
3774 { FLASH_PHY_FW_START_g3
, OPTYPE_PHY_FW
,
3775 FLASH_PHY_FW_IMAGE_MAX_SIZE_g3
, IMAGE_FIRMWARE_PHY
}
3778 struct flash_comp gen2_flash_types
[] = {
3779 { FLASH_iSCSI_PRIMARY_IMAGE_START_g2
, OPTYPE_ISCSI_ACTIVE
,
3780 FLASH_IMAGE_MAX_SIZE_g2
, IMAGE_FIRMWARE_iSCSI
},
3781 { FLASH_REDBOOT_START_g2
, OPTYPE_REDBOOT
,
3782 FLASH_REDBOOT_IMAGE_MAX_SIZE_g2
, IMAGE_BOOT_CODE
},
3783 { FLASH_iSCSI_BIOS_START_g2
, OPTYPE_BIOS
,
3784 FLASH_BIOS_IMAGE_MAX_SIZE_g2
, IMAGE_OPTION_ROM_ISCSI
},
3785 { FLASH_PXE_BIOS_START_g2
, OPTYPE_PXE_BIOS
,
3786 FLASH_BIOS_IMAGE_MAX_SIZE_g2
, IMAGE_OPTION_ROM_PXE
},
3787 { FLASH_FCoE_BIOS_START_g2
, OPTYPE_FCOE_BIOS
,
3788 FLASH_BIOS_IMAGE_MAX_SIZE_g2
, IMAGE_OPTION_ROM_FCoE
},
3789 { FLASH_iSCSI_BACKUP_IMAGE_START_g2
, OPTYPE_ISCSI_BACKUP
,
3790 FLASH_IMAGE_MAX_SIZE_g2
, IMAGE_FIRMWARE_BACKUP_iSCSI
},
3791 { FLASH_FCoE_PRIMARY_IMAGE_START_g2
, OPTYPE_FCOE_FW_ACTIVE
,
3792 FLASH_IMAGE_MAX_SIZE_g2
, IMAGE_FIRMWARE_FCoE
},
3793 { FLASH_FCoE_BACKUP_IMAGE_START_g2
, OPTYPE_FCOE_FW_BACKUP
,
3794 FLASH_IMAGE_MAX_SIZE_g2
, IMAGE_FIRMWARE_BACKUP_FCoE
}
3797 if (BE3_chip(adapter
)) {
3798 pflashcomp
= gen3_flash_types
;
3799 filehdr_size
= sizeof(struct flash_file_hdr_g3
);
3800 num_comp
= ARRAY_SIZE(gen3_flash_types
);
3802 pflashcomp
= gen2_flash_types
;
3803 filehdr_size
= sizeof(struct flash_file_hdr_g2
);
3804 num_comp
= ARRAY_SIZE(gen2_flash_types
);
3807 /* Get flash section info*/
3808 fsec
= get_fsec_info(adapter
, filehdr_size
+ img_hdrs_size
, fw
);
3810 dev_err(dev
, "Invalid Cookie. FW image may be corrupted\n");
3813 for (i
= 0; i
< num_comp
; i
++) {
3814 if (!is_comp_in_ufi(adapter
, fsec
, pflashcomp
[i
].img_type
))
3817 if ((pflashcomp
[i
].optype
== OPTYPE_NCSI_FW
) &&
3818 memcmp(adapter
->fw_ver
, "3.102.148.0", 11) < 0)
3821 if (pflashcomp
[i
].optype
== OPTYPE_PHY_FW
&&
3822 !phy_flashing_required(adapter
))
3825 if (pflashcomp
[i
].optype
== OPTYPE_REDBOOT
) {
3826 status
= be_check_flash_crc(adapter
, fw
->data
,
3827 pflashcomp
[i
].offset
,
3831 OPTYPE_REDBOOT
, &crc_match
);
3834 "Could not get CRC for 0x%x region\n",
3835 pflashcomp
[i
].optype
);
3843 p
= fw
->data
+ filehdr_size
+ pflashcomp
[i
].offset
+
3845 if (p
+ pflashcomp
[i
].size
> fw
->data
+ fw
->size
)
3848 status
= be_flash(adapter
, p
, flash_cmd
, pflashcomp
[i
].optype
,
3849 pflashcomp
[i
].size
);
3851 dev_err(dev
, "Flashing section type 0x%x failed\n",
3852 pflashcomp
[i
].img_type
);
3859 static u16
be_get_img_optype(struct flash_section_entry fsec_entry
)
3861 u32 img_type
= le32_to_cpu(fsec_entry
.type
);
3862 u16 img_optype
= le16_to_cpu(fsec_entry
.optype
);
3864 if (img_optype
!= 0xFFFF)
3868 case IMAGE_FIRMWARE_iSCSI
:
3869 img_optype
= OPTYPE_ISCSI_ACTIVE
;
3871 case IMAGE_BOOT_CODE
:
3872 img_optype
= OPTYPE_REDBOOT
;
3874 case IMAGE_OPTION_ROM_ISCSI
:
3875 img_optype
= OPTYPE_BIOS
;
3877 case IMAGE_OPTION_ROM_PXE
:
3878 img_optype
= OPTYPE_PXE_BIOS
;
3880 case IMAGE_OPTION_ROM_FCoE
:
3881 img_optype
= OPTYPE_FCOE_BIOS
;
3883 case IMAGE_FIRMWARE_BACKUP_iSCSI
:
3884 img_optype
= OPTYPE_ISCSI_BACKUP
;
3887 img_optype
= OPTYPE_NCSI_FW
;
3889 case IMAGE_FLASHISM_JUMPVECTOR
:
3890 img_optype
= OPTYPE_FLASHISM_JUMPVECTOR
;
3892 case IMAGE_FIRMWARE_PHY
:
3893 img_optype
= OPTYPE_SH_PHY_FW
;
3895 case IMAGE_REDBOOT_DIR
:
3896 img_optype
= OPTYPE_REDBOOT_DIR
;
3898 case IMAGE_REDBOOT_CONFIG
:
3899 img_optype
= OPTYPE_REDBOOT_CONFIG
;
3902 img_optype
= OPTYPE_UFI_DIR
;
3911 static int be_flash_skyhawk(struct be_adapter
*adapter
,
3912 const struct firmware
*fw
,
3913 struct be_dma_mem
*flash_cmd
, int num_of_images
)
3915 int img_hdrs_size
= num_of_images
* sizeof(struct image_hdr
);
3916 struct device
*dev
= &adapter
->pdev
->dev
;
3917 struct flash_section_info
*fsec
= NULL
;
3918 u32 img_offset
, img_size
, img_type
;
3919 int status
, i
, filehdr_size
;
3920 bool crc_match
, old_fw_img
;
3924 filehdr_size
= sizeof(struct flash_file_hdr_g3
);
3925 fsec
= get_fsec_info(adapter
, filehdr_size
+ img_hdrs_size
, fw
);
3927 dev_err(dev
, "Invalid Cookie. FW image may be corrupted\n");
3931 for (i
= 0; i
< le32_to_cpu(fsec
->fsec_hdr
.num_images
); i
++) {
3932 img_offset
= le32_to_cpu(fsec
->fsec_entry
[i
].offset
);
3933 img_size
= le32_to_cpu(fsec
->fsec_entry
[i
].pad_size
);
3934 img_type
= le32_to_cpu(fsec
->fsec_entry
[i
].type
);
3935 img_optype
= be_get_img_optype(fsec
->fsec_entry
[i
]);
3936 old_fw_img
= fsec
->fsec_entry
[i
].optype
== 0xFFFF;
3938 if (img_optype
== 0xFFFF)
3940 /* Don't bother verifying CRC if an old FW image is being
3946 status
= be_check_flash_crc(adapter
, fw
->data
, img_offset
,
3947 img_size
, filehdr_size
+
3948 img_hdrs_size
, img_optype
,
3950 /* The current FW image on the card does not recognize the new
3951 * FLASH op_type. The FW download is partially complete.
3952 * Reboot the server now to enable FW image to recognize the
3953 * new FLASH op_type. To complete the remaining process,
3954 * download the same FW again after the reboot.
3956 if (base_status(status
) == MCC_STATUS_ILLEGAL_REQUEST
||
3957 base_status(status
) == MCC_STATUS_ILLEGAL_FIELD
) {
3958 dev_err(dev
, "Flash incomplete. Reset the server\n");
3959 dev_err(dev
, "Download FW image again after reset\n");
3961 } else if (status
) {
3962 dev_err(dev
, "Could not get CRC for 0x%x region\n",
3971 p
= fw
->data
+ filehdr_size
+ img_offset
+ img_hdrs_size
;
3972 if (p
+ img_size
> fw
->data
+ fw
->size
)
3975 status
= be_flash(adapter
, p
, flash_cmd
, img_optype
, img_size
);
3976 /* For old FW images ignore ILLEGAL_FIELD error or errors on
3980 (base_status(status
) == MCC_STATUS_ILLEGAL_FIELD
||
3981 (img_optype
== OPTYPE_UFI_DIR
&&
3982 base_status(status
) == MCC_STATUS_FAILED
))) {
3984 } else if (status
) {
3985 dev_err(dev
, "Flashing section type 0x%x failed\n",
3993 static int lancer_fw_download(struct be_adapter
*adapter
,
3994 const struct firmware
*fw
)
3996 #define LANCER_FW_DOWNLOAD_CHUNK (32 * 1024)
3997 #define LANCER_FW_DOWNLOAD_LOCATION "/prg"
3998 struct be_dma_mem flash_cmd
;
3999 const u8
*data_ptr
= NULL
;
4000 u8
*dest_image_ptr
= NULL
;
4001 size_t image_size
= 0;
4003 u32 data_written
= 0;
4009 if (!IS_ALIGNED(fw
->size
, sizeof(u32
))) {
4010 dev_err(&adapter
->pdev
->dev
,
4011 "FW Image not properly aligned. "
4012 "Length must be 4 byte aligned.\n");
4014 goto lancer_fw_exit
;
4017 flash_cmd
.size
= sizeof(struct lancer_cmd_req_write_object
)
4018 + LANCER_FW_DOWNLOAD_CHUNK
;
4019 flash_cmd
.va
= dma_alloc_coherent(&adapter
->pdev
->dev
, flash_cmd
.size
,
4020 &flash_cmd
.dma
, GFP_KERNEL
);
4021 if (!flash_cmd
.va
) {
4023 goto lancer_fw_exit
;
4026 dest_image_ptr
= flash_cmd
.va
+
4027 sizeof(struct lancer_cmd_req_write_object
);
4028 image_size
= fw
->size
;
4029 data_ptr
= fw
->data
;
4031 while (image_size
) {
4032 chunk_size
= min_t(u32
, image_size
, LANCER_FW_DOWNLOAD_CHUNK
);
4034 /* Copy the image chunk content. */
4035 memcpy(dest_image_ptr
, data_ptr
, chunk_size
);
4037 status
= lancer_cmd_write_object(adapter
, &flash_cmd
,
4039 LANCER_FW_DOWNLOAD_LOCATION
,
4040 &data_written
, &change_status
,
4045 offset
+= data_written
;
4046 data_ptr
+= data_written
;
4047 image_size
-= data_written
;
4051 /* Commit the FW written */
4052 status
= lancer_cmd_write_object(adapter
, &flash_cmd
,
4054 LANCER_FW_DOWNLOAD_LOCATION
,
4055 &data_written
, &change_status
,
4059 dma_free_coherent(&adapter
->pdev
->dev
, flash_cmd
.size
, flash_cmd
.va
,
4062 dev_err(&adapter
->pdev
->dev
,
4063 "Firmware load error. "
4064 "Status code: 0x%x Additional Status: 0x%x\n",
4065 status
, add_status
);
4066 goto lancer_fw_exit
;
4069 if (change_status
== LANCER_FW_RESET_NEEDED
) {
4070 dev_info(&adapter
->pdev
->dev
,
4071 "Resetting adapter to activate new FW\n");
4072 status
= lancer_physdev_ctrl(adapter
,
4073 PHYSDEV_CONTROL_FW_RESET_MASK
);
4075 dev_err(&adapter
->pdev
->dev
,
4076 "Adapter busy for FW reset.\n"
4077 "New FW will not be active.\n");
4078 goto lancer_fw_exit
;
4080 } else if (change_status
!= LANCER_NO_RESET_NEEDED
) {
4081 dev_err(&adapter
->pdev
->dev
,
4082 "System reboot required for new FW to be active\n");
4085 dev_info(&adapter
->pdev
->dev
, "Firmware flashed successfully\n");
4092 #define UFI_TYPE3R 10
4094 static int be_get_ufi_type(struct be_adapter
*adapter
,
4095 struct flash_file_hdr_g3
*fhdr
)
4098 goto be_get_ufi_exit
;
4100 if (skyhawk_chip(adapter
) && fhdr
->build
[0] == '4')
4102 else if (BE3_chip(adapter
) && fhdr
->build
[0] == '3') {
4103 if (fhdr
->asic_type_rev
== 0x10)
4107 } else if (BE2_chip(adapter
) && fhdr
->build
[0] == '2')
4111 dev_err(&adapter
->pdev
->dev
,
4112 "UFI and Interface are not compatible for flashing\n");
4116 static int be_fw_download(struct be_adapter
*adapter
, const struct firmware
* fw
)
4118 struct flash_file_hdr_g3
*fhdr3
;
4119 struct image_hdr
*img_hdr_ptr
= NULL
;
4120 struct be_dma_mem flash_cmd
;
4122 int status
= 0, i
= 0, num_imgs
= 0, ufi_type
= 0;
4124 flash_cmd
.size
= sizeof(struct be_cmd_write_flashrom
);
4125 flash_cmd
.va
= dma_alloc_coherent(&adapter
->pdev
->dev
, flash_cmd
.size
,
4126 &flash_cmd
.dma
, GFP_KERNEL
);
4127 if (!flash_cmd
.va
) {
4133 fhdr3
= (struct flash_file_hdr_g3
*)p
;
4135 ufi_type
= be_get_ufi_type(adapter
, fhdr3
);
4137 num_imgs
= le32_to_cpu(fhdr3
->num_imgs
);
4138 for (i
= 0; i
< num_imgs
; i
++) {
4139 img_hdr_ptr
= (struct image_hdr
*)(fw
->data
+
4140 (sizeof(struct flash_file_hdr_g3
) +
4141 i
* sizeof(struct image_hdr
)));
4142 if (le32_to_cpu(img_hdr_ptr
->imageid
) == 1) {
4145 status
= be_flash_skyhawk(adapter
, fw
,
4146 &flash_cmd
, num_imgs
);
4149 status
= be_flash_BEx(adapter
, fw
, &flash_cmd
,
4153 /* Do not flash this ufi on BE3-R cards */
4154 if (adapter
->asic_rev
< 0x10)
4155 status
= be_flash_BEx(adapter
, fw
,
4160 dev_err(&adapter
->pdev
->dev
,
4161 "Can't load BE3 UFI on BE3R\n");
4167 if (ufi_type
== UFI_TYPE2
)
4168 status
= be_flash_BEx(adapter
, fw
, &flash_cmd
, 0);
4169 else if (ufi_type
== -1)
4172 dma_free_coherent(&adapter
->pdev
->dev
, flash_cmd
.size
, flash_cmd
.va
,
4175 dev_err(&adapter
->pdev
->dev
, "Firmware load error\n");
4179 dev_info(&adapter
->pdev
->dev
, "Firmware flashed successfully\n");
4185 int be_load_fw(struct be_adapter
*adapter
, u8
*fw_file
)
4187 const struct firmware
*fw
;
4190 if (!netif_running(adapter
->netdev
)) {
4191 dev_err(&adapter
->pdev
->dev
,
4192 "Firmware load not allowed (interface is down)\n");
4196 status
= request_firmware(&fw
, fw_file
, &adapter
->pdev
->dev
);
4200 dev_info(&adapter
->pdev
->dev
, "Flashing firmware file %s\n", fw_file
);
4202 if (lancer_chip(adapter
))
4203 status
= lancer_fw_download(adapter
, fw
);
4205 status
= be_fw_download(adapter
, fw
);
4208 be_cmd_get_fw_ver(adapter
, adapter
->fw_ver
,
4209 adapter
->fw_on_flash
);
4212 release_firmware(fw
);
4216 static int be_ndo_bridge_setlink(struct net_device
*dev
, struct nlmsghdr
*nlh
)
4218 struct be_adapter
*adapter
= netdev_priv(dev
);
4219 struct nlattr
*attr
, *br_spec
;
4224 if (!sriov_enabled(adapter
))
4227 br_spec
= nlmsg_find_attr(nlh
, sizeof(struct ifinfomsg
), IFLA_AF_SPEC
);
4229 nla_for_each_nested(attr
, br_spec
, rem
) {
4230 if (nla_type(attr
) != IFLA_BRIDGE_MODE
)
4233 mode
= nla_get_u16(attr
);
4234 if (mode
!= BRIDGE_MODE_VEPA
&& mode
!= BRIDGE_MODE_VEB
)
4237 status
= be_cmd_set_hsw_config(adapter
, 0, 0,
4239 mode
== BRIDGE_MODE_VEPA
?
4240 PORT_FWD_TYPE_VEPA
:
4245 dev_info(&adapter
->pdev
->dev
, "enabled switch mode: %s\n",
4246 mode
== BRIDGE_MODE_VEPA
? "VEPA" : "VEB");
4251 dev_err(&adapter
->pdev
->dev
, "Failed to set switch mode %s\n",
4252 mode
== BRIDGE_MODE_VEPA
? "VEPA" : "VEB");
4257 static int be_ndo_bridge_getlink(struct sk_buff
*skb
, u32 pid
, u32 seq
,
4258 struct net_device
*dev
, u32 filter_mask
)
4260 struct be_adapter
*adapter
= netdev_priv(dev
);
4264 if (!sriov_enabled(adapter
))
4267 /* BE and Lancer chips support VEB mode only */
4268 if (BEx_chip(adapter
) || lancer_chip(adapter
)) {
4269 hsw_mode
= PORT_FWD_TYPE_VEB
;
4271 status
= be_cmd_get_hsw_config(adapter
, NULL
, 0,
4272 adapter
->if_handle
, &hsw_mode
);
4277 return ndo_dflt_bridge_getlink(skb
, pid
, seq
, dev
,
4278 hsw_mode
== PORT_FWD_TYPE_VEPA
?
4279 BRIDGE_MODE_VEPA
: BRIDGE_MODE_VEB
);
4282 #ifdef CONFIG_BE2NET_VXLAN
4283 static void be_add_vxlan_port(struct net_device
*netdev
, sa_family_t sa_family
,
4286 struct be_adapter
*adapter
= netdev_priv(netdev
);
4287 struct device
*dev
= &adapter
->pdev
->dev
;
4290 if (lancer_chip(adapter
) || BEx_chip(adapter
))
4293 if (adapter
->flags
& BE_FLAGS_VXLAN_OFFLOADS
) {
4294 dev_warn(dev
, "Cannot add UDP port %d for VxLAN offloads\n",
4297 "Only one UDP port supported for VxLAN offloads\n");
4301 status
= be_cmd_manage_iface(adapter
, adapter
->if_handle
,
4302 OP_CONVERT_NORMAL_TO_TUNNEL
);
4304 dev_warn(dev
, "Failed to convert normal interface to tunnel\n");
4308 status
= be_cmd_set_vxlan_port(adapter
, port
);
4310 dev_warn(dev
, "Failed to add VxLAN port\n");
4313 adapter
->flags
|= BE_FLAGS_VXLAN_OFFLOADS
;
4314 adapter
->vxlan_port
= port
;
4316 dev_info(dev
, "Enabled VxLAN offloads for UDP port %d\n",
4320 be_disable_vxlan_offloads(adapter
);
4324 static void be_del_vxlan_port(struct net_device
*netdev
, sa_family_t sa_family
,
4327 struct be_adapter
*adapter
= netdev_priv(netdev
);
4329 if (lancer_chip(adapter
) || BEx_chip(adapter
))
4332 if (adapter
->vxlan_port
!= port
)
4335 be_disable_vxlan_offloads(adapter
);
4337 dev_info(&adapter
->pdev
->dev
,
4338 "Disabled VxLAN offloads for UDP port %d\n",
4343 static const struct net_device_ops be_netdev_ops
= {
4344 .ndo_open
= be_open
,
4345 .ndo_stop
= be_close
,
4346 .ndo_start_xmit
= be_xmit
,
4347 .ndo_set_rx_mode
= be_set_rx_mode
,
4348 .ndo_set_mac_address
= be_mac_addr_set
,
4349 .ndo_change_mtu
= be_change_mtu
,
4350 .ndo_get_stats64
= be_get_stats64
,
4351 .ndo_validate_addr
= eth_validate_addr
,
4352 .ndo_vlan_rx_add_vid
= be_vlan_add_vid
,
4353 .ndo_vlan_rx_kill_vid
= be_vlan_rem_vid
,
4354 .ndo_set_vf_mac
= be_set_vf_mac
,
4355 .ndo_set_vf_vlan
= be_set_vf_vlan
,
4356 .ndo_set_vf_rate
= be_set_vf_tx_rate
,
4357 .ndo_get_vf_config
= be_get_vf_config
,
4358 .ndo_set_vf_link_state
= be_set_vf_link_state
,
4359 #ifdef CONFIG_NET_POLL_CONTROLLER
4360 .ndo_poll_controller
= be_netpoll
,
4362 .ndo_bridge_setlink
= be_ndo_bridge_setlink
,
4363 .ndo_bridge_getlink
= be_ndo_bridge_getlink
,
4364 #ifdef CONFIG_NET_RX_BUSY_POLL
4365 .ndo_busy_poll
= be_busy_poll
,
4367 #ifdef CONFIG_BE2NET_VXLAN
4368 .ndo_add_vxlan_port
= be_add_vxlan_port
,
4369 .ndo_del_vxlan_port
= be_del_vxlan_port
,
4373 static void be_netdev_init(struct net_device
*netdev
)
4375 struct be_adapter
*adapter
= netdev_priv(netdev
);
4377 if (skyhawk_chip(adapter
)) {
4378 netdev
->hw_enc_features
|= NETIF_F_IP_CSUM
| NETIF_F_IPV6_CSUM
|
4379 NETIF_F_TSO
| NETIF_F_TSO6
|
4380 NETIF_F_GSO_UDP_TUNNEL
;
4381 netdev
->hw_features
|= NETIF_F_GSO_UDP_TUNNEL
;
4383 netdev
->hw_features
|= NETIF_F_SG
| NETIF_F_TSO
| NETIF_F_TSO6
|
4384 NETIF_F_IP_CSUM
| NETIF_F_IPV6_CSUM
| NETIF_F_RXCSUM
|
4385 NETIF_F_HW_VLAN_CTAG_TX
;
4386 if (be_multi_rxq(adapter
))
4387 netdev
->hw_features
|= NETIF_F_RXHASH
;
4389 netdev
->features
|= netdev
->hw_features
|
4390 NETIF_F_HW_VLAN_CTAG_RX
| NETIF_F_HW_VLAN_CTAG_FILTER
;
4392 netdev
->vlan_features
|= NETIF_F_SG
| NETIF_F_TSO
| NETIF_F_TSO6
|
4393 NETIF_F_IP_CSUM
| NETIF_F_IPV6_CSUM
;
4395 netdev
->priv_flags
|= IFF_UNICAST_FLT
;
4397 netdev
->flags
|= IFF_MULTICAST
;
4399 netif_set_gso_max_size(netdev
, 65535 - ETH_HLEN
);
4401 netdev
->netdev_ops
= &be_netdev_ops
;
4403 netdev
->ethtool_ops
= &be_ethtool_ops
;
4406 static void be_unmap_pci_bars(struct be_adapter
*adapter
)
4409 pci_iounmap(adapter
->pdev
, adapter
->csr
);
4411 pci_iounmap(adapter
->pdev
, adapter
->db
);
4414 static int db_bar(struct be_adapter
*adapter
)
4416 if (lancer_chip(adapter
) || !be_physfn(adapter
))
4422 static int be_roce_map_pci_bars(struct be_adapter
*adapter
)
4424 if (skyhawk_chip(adapter
)) {
4425 adapter
->roce_db
.size
= 4096;
4426 adapter
->roce_db
.io_addr
= pci_resource_start(adapter
->pdev
,
4428 adapter
->roce_db
.total_size
= pci_resource_len(adapter
->pdev
,
4434 static int be_map_pci_bars(struct be_adapter
*adapter
)
4438 if (BEx_chip(adapter
) && be_physfn(adapter
)) {
4439 adapter
->csr
= pci_iomap(adapter
->pdev
, 2, 0);
4440 if (adapter
->csr
== NULL
)
4444 addr
= pci_iomap(adapter
->pdev
, db_bar(adapter
), 0);
4449 be_roce_map_pci_bars(adapter
);
4453 be_unmap_pci_bars(adapter
);
4457 static void be_ctrl_cleanup(struct be_adapter
*adapter
)
4459 struct be_dma_mem
*mem
= &adapter
->mbox_mem_alloced
;
4461 be_unmap_pci_bars(adapter
);
4464 dma_free_coherent(&adapter
->pdev
->dev
, mem
->size
, mem
->va
,
4467 mem
= &adapter
->rx_filter
;
4469 dma_free_coherent(&adapter
->pdev
->dev
, mem
->size
, mem
->va
,
4473 static int be_ctrl_init(struct be_adapter
*adapter
)
4475 struct be_dma_mem
*mbox_mem_alloc
= &adapter
->mbox_mem_alloced
;
4476 struct be_dma_mem
*mbox_mem_align
= &adapter
->mbox_mem
;
4477 struct be_dma_mem
*rx_filter
= &adapter
->rx_filter
;
4481 pci_read_config_dword(adapter
->pdev
, SLI_INTF_REG_OFFSET
, &sli_intf
);
4482 adapter
->sli_family
= (sli_intf
& SLI_INTF_FAMILY_MASK
) >>
4483 SLI_INTF_FAMILY_SHIFT
;
4484 adapter
->virtfn
= (sli_intf
& SLI_INTF_FT_MASK
) ? 1 : 0;
4486 status
= be_map_pci_bars(adapter
);
4490 mbox_mem_alloc
->size
= sizeof(struct be_mcc_mailbox
) + 16;
4491 mbox_mem_alloc
->va
= dma_alloc_coherent(&adapter
->pdev
->dev
,
4492 mbox_mem_alloc
->size
,
4493 &mbox_mem_alloc
->dma
,
4495 if (!mbox_mem_alloc
->va
) {
4497 goto unmap_pci_bars
;
4499 mbox_mem_align
->size
= sizeof(struct be_mcc_mailbox
);
4500 mbox_mem_align
->va
= PTR_ALIGN(mbox_mem_alloc
->va
, 16);
4501 mbox_mem_align
->dma
= PTR_ALIGN(mbox_mem_alloc
->dma
, 16);
4502 memset(mbox_mem_align
->va
, 0, sizeof(struct be_mcc_mailbox
));
4504 rx_filter
->size
= sizeof(struct be_cmd_req_rx_filter
);
4505 rx_filter
->va
= dma_zalloc_coherent(&adapter
->pdev
->dev
,
4506 rx_filter
->size
, &rx_filter
->dma
,
4508 if (rx_filter
->va
== NULL
) {
4513 mutex_init(&adapter
->mbox_lock
);
4514 spin_lock_init(&adapter
->mcc_lock
);
4515 spin_lock_init(&adapter
->mcc_cq_lock
);
4517 init_completion(&adapter
->et_cmd_compl
);
4518 pci_save_state(adapter
->pdev
);
4522 dma_free_coherent(&adapter
->pdev
->dev
, mbox_mem_alloc
->size
,
4523 mbox_mem_alloc
->va
, mbox_mem_alloc
->dma
);
4526 be_unmap_pci_bars(adapter
);
4532 static void be_stats_cleanup(struct be_adapter
*adapter
)
4534 struct be_dma_mem
*cmd
= &adapter
->stats_cmd
;
4537 dma_free_coherent(&adapter
->pdev
->dev
, cmd
->size
,
4541 static int be_stats_init(struct be_adapter
*adapter
)
4543 struct be_dma_mem
*cmd
= &adapter
->stats_cmd
;
4545 if (lancer_chip(adapter
))
4546 cmd
->size
= sizeof(struct lancer_cmd_req_pport_stats
);
4547 else if (BE2_chip(adapter
))
4548 cmd
->size
= sizeof(struct be_cmd_req_get_stats_v0
);
4549 else if (BE3_chip(adapter
))
4550 cmd
->size
= sizeof(struct be_cmd_req_get_stats_v1
);
4552 /* ALL non-BE ASICs */
4553 cmd
->size
= sizeof(struct be_cmd_req_get_stats_v2
);
4555 cmd
->va
= dma_zalloc_coherent(&adapter
->pdev
->dev
, cmd
->size
, &cmd
->dma
,
4557 if (cmd
->va
== NULL
)
4562 static void be_remove(struct pci_dev
*pdev
)
4564 struct be_adapter
*adapter
= pci_get_drvdata(pdev
);
4569 be_roce_dev_remove(adapter
);
4570 be_intr_set(adapter
, false);
4572 cancel_delayed_work_sync(&adapter
->func_recovery_work
);
4574 unregister_netdev(adapter
->netdev
);
4578 /* tell fw we're done with firing cmds */
4579 be_cmd_fw_clean(adapter
);
4581 be_stats_cleanup(adapter
);
4583 be_ctrl_cleanup(adapter
);
4585 pci_disable_pcie_error_reporting(pdev
);
4587 pci_release_regions(pdev
);
4588 pci_disable_device(pdev
);
4590 free_netdev(adapter
->netdev
);
4593 static int be_get_initial_config(struct be_adapter
*adapter
)
4597 status
= be_cmd_get_cntl_attributes(adapter
);
4601 /* Must be a power of 2 or else MODULO will BUG_ON */
4602 adapter
->be_get_temp_freq
= 64;
4604 if (BEx_chip(adapter
)) {
4605 level
= be_cmd_get_fw_log_level(adapter
);
4606 adapter
->msg_enable
=
4607 level
<= FW_LOG_LEVEL_DEFAULT
? NETIF_MSG_HW
: 0;
4610 adapter
->cfg_num_qs
= netif_get_num_default_rss_queues();
4614 static int lancer_recover_func(struct be_adapter
*adapter
)
4616 struct device
*dev
= &adapter
->pdev
->dev
;
4619 status
= lancer_test_and_set_rdy_state(adapter
);
4623 if (netif_running(adapter
->netdev
))
4624 be_close(adapter
->netdev
);
4628 be_clear_all_error(adapter
);
4630 status
= be_setup(adapter
);
4634 if (netif_running(adapter
->netdev
)) {
4635 status
= be_open(adapter
->netdev
);
4640 dev_err(dev
, "Adapter recovery successful\n");
4643 if (status
== -EAGAIN
)
4644 dev_err(dev
, "Waiting for resource provisioning\n");
4646 dev_err(dev
, "Adapter recovery failed\n");
4651 static void be_func_recovery_task(struct work_struct
*work
)
4653 struct be_adapter
*adapter
=
4654 container_of(work
, struct be_adapter
, func_recovery_work
.work
);
4657 be_detect_error(adapter
);
4659 if (adapter
->hw_error
&& lancer_chip(adapter
)) {
4662 netif_device_detach(adapter
->netdev
);
4665 status
= lancer_recover_func(adapter
);
4667 netif_device_attach(adapter
->netdev
);
4670 /* In Lancer, for all errors other than provisioning error (-EAGAIN),
4671 * no need to attempt further recovery.
4673 if (!status
|| status
== -EAGAIN
)
4674 schedule_delayed_work(&adapter
->func_recovery_work
,
4675 msecs_to_jiffies(1000));
4678 static void be_worker(struct work_struct
*work
)
4680 struct be_adapter
*adapter
=
4681 container_of(work
, struct be_adapter
, work
.work
);
4682 struct be_rx_obj
*rxo
;
4685 /* when interrupts are not yet enabled, just reap any pending
4686 * mcc completions */
4687 if (!netif_running(adapter
->netdev
)) {
4689 be_process_mcc(adapter
);
4694 if (!adapter
->stats_cmd_sent
) {
4695 if (lancer_chip(adapter
))
4696 lancer_cmd_get_pport_stats(adapter
,
4697 &adapter
->stats_cmd
);
4699 be_cmd_get_stats(adapter
, &adapter
->stats_cmd
);
4702 if (be_physfn(adapter
) &&
4703 MODULO(adapter
->work_counter
, adapter
->be_get_temp_freq
) == 0)
4704 be_cmd_get_die_temperature(adapter
);
4706 for_all_rx_queues(adapter
, rxo
, i
) {
4707 /* Replenish RX-queues starved due to memory
4708 * allocation failures.
4710 if (rxo
->rx_post_starved
)
4711 be_post_rx_frags(rxo
, GFP_KERNEL
);
4714 be_eqd_update(adapter
);
4717 adapter
->work_counter
++;
4718 schedule_delayed_work(&adapter
->work
, msecs_to_jiffies(1000));
4721 /* If any VFs are already enabled don't FLR the PF */
4722 static bool be_reset_required(struct be_adapter
*adapter
)
4724 return pci_num_vf(adapter
->pdev
) ? false : true;
4727 static char *mc_name(struct be_adapter
*adapter
)
4729 char *str
= ""; /* default */
4731 switch (adapter
->mc_type
) {
4757 static inline char *func_name(struct be_adapter
*adapter
)
4759 return be_physfn(adapter
) ? "PF" : "VF";
4762 static int be_probe(struct pci_dev
*pdev
, const struct pci_device_id
*pdev_id
)
4765 struct be_adapter
*adapter
;
4766 struct net_device
*netdev
;
4769 status
= pci_enable_device(pdev
);
4773 status
= pci_request_regions(pdev
, DRV_NAME
);
4776 pci_set_master(pdev
);
4778 netdev
= alloc_etherdev_mqs(sizeof(*adapter
), MAX_TX_QS
, MAX_RX_QS
);
4779 if (netdev
== NULL
) {
4783 adapter
= netdev_priv(netdev
);
4784 adapter
->pdev
= pdev
;
4785 pci_set_drvdata(pdev
, adapter
);
4786 adapter
->netdev
= netdev
;
4787 SET_NETDEV_DEV(netdev
, &pdev
->dev
);
4789 status
= dma_set_mask_and_coherent(&pdev
->dev
, DMA_BIT_MASK(64));
4791 netdev
->features
|= NETIF_F_HIGHDMA
;
4793 status
= dma_set_mask_and_coherent(&pdev
->dev
, DMA_BIT_MASK(32));
4795 dev_err(&pdev
->dev
, "Could not set PCI DMA Mask\n");
4800 if (be_physfn(adapter
)) {
4801 status
= pci_enable_pcie_error_reporting(pdev
);
4803 dev_info(&pdev
->dev
, "PCIe error reporting enabled\n");
4806 status
= be_ctrl_init(adapter
);
4810 /* sync up with fw's ready state */
4811 if (be_physfn(adapter
)) {
4812 status
= be_fw_wait_ready(adapter
);
4817 if (be_reset_required(adapter
)) {
4818 status
= be_cmd_reset_function(adapter
);
4822 /* Wait for interrupts to quiesce after an FLR */
4826 /* Allow interrupts for other ULPs running on NIC function */
4827 be_intr_set(adapter
, true);
4829 /* tell fw we're ready to fire cmds */
4830 status
= be_cmd_fw_init(adapter
);
4834 status
= be_stats_init(adapter
);
4838 status
= be_get_initial_config(adapter
);
4842 INIT_DELAYED_WORK(&adapter
->work
, be_worker
);
4843 INIT_DELAYED_WORK(&adapter
->func_recovery_work
, be_func_recovery_task
);
4844 adapter
->rx_fc
= adapter
->tx_fc
= true;
4846 status
= be_setup(adapter
);
4850 be_netdev_init(netdev
);
4851 status
= register_netdev(netdev
);
4855 be_roce_dev_add(adapter
);
4857 schedule_delayed_work(&adapter
->func_recovery_work
,
4858 msecs_to_jiffies(1000));
4860 be_cmd_query_port_name(adapter
, &port_name
);
4862 dev_info(&pdev
->dev
, "%s: %s %s port %c\n", nic_name(pdev
),
4863 func_name(adapter
), mc_name(adapter
), port_name
);
4870 be_stats_cleanup(adapter
);
4872 be_ctrl_cleanup(adapter
);
4874 free_netdev(netdev
);
4876 pci_release_regions(pdev
);
4878 pci_disable_device(pdev
);
4880 dev_err(&pdev
->dev
, "%s initialization failed\n", nic_name(pdev
));
4884 static int be_suspend(struct pci_dev
*pdev
, pm_message_t state
)
4886 struct be_adapter
*adapter
= pci_get_drvdata(pdev
);
4887 struct net_device
*netdev
= adapter
->netdev
;
4889 if (adapter
->wol_en
)
4890 be_setup_wol(adapter
, true);
4892 be_intr_set(adapter
, false);
4893 cancel_delayed_work_sync(&adapter
->func_recovery_work
);
4895 netif_device_detach(netdev
);
4896 if (netif_running(netdev
)) {
4903 pci_save_state(pdev
);
4904 pci_disable_device(pdev
);
4905 pci_set_power_state(pdev
, pci_choose_state(pdev
, state
));
4909 static int be_resume(struct pci_dev
*pdev
)
4912 struct be_adapter
*adapter
= pci_get_drvdata(pdev
);
4913 struct net_device
*netdev
= adapter
->netdev
;
4915 netif_device_detach(netdev
);
4917 status
= pci_enable_device(pdev
);
4921 pci_set_power_state(pdev
, PCI_D0
);
4922 pci_restore_state(pdev
);
4924 status
= be_fw_wait_ready(adapter
);
4928 be_intr_set(adapter
, true);
4929 /* tell fw we're ready to fire cmds */
4930 status
= be_cmd_fw_init(adapter
);
4935 if (netif_running(netdev
)) {
4941 schedule_delayed_work(&adapter
->func_recovery_work
,
4942 msecs_to_jiffies(1000));
4943 netif_device_attach(netdev
);
4945 if (adapter
->wol_en
)
4946 be_setup_wol(adapter
, false);
4952 * An FLR will stop BE from DMAing any data.
4954 static void be_shutdown(struct pci_dev
*pdev
)
4956 struct be_adapter
*adapter
= pci_get_drvdata(pdev
);
4961 cancel_delayed_work_sync(&adapter
->work
);
4962 cancel_delayed_work_sync(&adapter
->func_recovery_work
);
4964 netif_device_detach(adapter
->netdev
);
4966 be_cmd_reset_function(adapter
);
4968 pci_disable_device(pdev
);
4971 static pci_ers_result_t
be_eeh_err_detected(struct pci_dev
*pdev
,
4972 pci_channel_state_t state
)
4974 struct be_adapter
*adapter
= pci_get_drvdata(pdev
);
4975 struct net_device
*netdev
= adapter
->netdev
;
4977 dev_err(&adapter
->pdev
->dev
, "EEH error detected\n");
4979 if (!adapter
->eeh_error
) {
4980 adapter
->eeh_error
= true;
4982 cancel_delayed_work_sync(&adapter
->func_recovery_work
);
4985 netif_device_detach(netdev
);
4986 if (netif_running(netdev
))
4993 if (state
== pci_channel_io_perm_failure
)
4994 return PCI_ERS_RESULT_DISCONNECT
;
4996 pci_disable_device(pdev
);
4998 /* The error could cause the FW to trigger a flash debug dump.
4999 * Resetting the card while flash dump is in progress
5000 * can cause it not to recover; wait for it to finish.
5001 * Wait only for first function as it is needed only once per
5004 if (pdev
->devfn
== 0)
5007 return PCI_ERS_RESULT_NEED_RESET
;
5010 static pci_ers_result_t
be_eeh_reset(struct pci_dev
*pdev
)
5012 struct be_adapter
*adapter
= pci_get_drvdata(pdev
);
5015 dev_info(&adapter
->pdev
->dev
, "EEH reset\n");
5017 status
= pci_enable_device(pdev
);
5019 return PCI_ERS_RESULT_DISCONNECT
;
5021 pci_set_master(pdev
);
5022 pci_set_power_state(pdev
, PCI_D0
);
5023 pci_restore_state(pdev
);
5025 /* Check if card is ok and fw is ready */
5026 dev_info(&adapter
->pdev
->dev
,
5027 "Waiting for FW to be ready after EEH reset\n");
5028 status
= be_fw_wait_ready(adapter
);
5030 return PCI_ERS_RESULT_DISCONNECT
;
5032 pci_cleanup_aer_uncorrect_error_status(pdev
);
5033 be_clear_all_error(adapter
);
5034 return PCI_ERS_RESULT_RECOVERED
;
5037 static void be_eeh_resume(struct pci_dev
*pdev
)
5040 struct be_adapter
*adapter
= pci_get_drvdata(pdev
);
5041 struct net_device
*netdev
= adapter
->netdev
;
5043 dev_info(&adapter
->pdev
->dev
, "EEH resume\n");
5045 pci_save_state(pdev
);
5047 status
= be_cmd_reset_function(adapter
);
5051 /* On some BE3 FW versions, after a HW reset,
5052 * interrupts will remain disabled for each function.
5053 * So, explicitly enable interrupts
5055 be_intr_set(adapter
, true);
5057 /* tell fw we're ready to fire cmds */
5058 status
= be_cmd_fw_init(adapter
);
5062 status
= be_setup(adapter
);
5066 if (netif_running(netdev
)) {
5067 status
= be_open(netdev
);
5072 schedule_delayed_work(&adapter
->func_recovery_work
,
5073 msecs_to_jiffies(1000));
5074 netif_device_attach(netdev
);
5077 dev_err(&adapter
->pdev
->dev
, "EEH resume failed\n");
5080 static const struct pci_error_handlers be_eeh_handlers
= {
5081 .error_detected
= be_eeh_err_detected
,
5082 .slot_reset
= be_eeh_reset
,
5083 .resume
= be_eeh_resume
,
5086 static struct pci_driver be_driver
= {
5088 .id_table
= be_dev_ids
,
5090 .remove
= be_remove
,
5091 .suspend
= be_suspend
,
5092 .resume
= be_resume
,
5093 .shutdown
= be_shutdown
,
5094 .err_handler
= &be_eeh_handlers
5097 static int __init
be_init_module(void)
5099 if (rx_frag_size
!= 8192 && rx_frag_size
!= 4096 &&
5100 rx_frag_size
!= 2048) {
5101 printk(KERN_WARNING DRV_NAME
5102 " : Module param rx_frag_size must be 2048/4096/8192."
5104 rx_frag_size
= 2048;
5107 return pci_register_driver(&be_driver
);
5109 module_init(be_init_module
);
5111 static void __exit
be_exit_module(void)
5113 pci_unregister_driver(&be_driver
);
5115 module_exit(be_exit_module
);