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_DESCRIPTION(DRV_DESC
" " DRV_VER
);
30 MODULE_AUTHOR("Emulex Corporation");
31 MODULE_LICENSE("GPL");
33 static unsigned int num_vfs
;
34 module_param(num_vfs
, uint
, S_IRUGO
);
35 MODULE_PARM_DESC(num_vfs
, "Number of PCI VFs to initialize");
37 static ushort rx_frag_size
= 2048;
38 module_param(rx_frag_size
, ushort
, S_IRUGO
);
39 MODULE_PARM_DESC(rx_frag_size
, "Size of a fragment that holds rcvd data.");
41 static const struct pci_device_id be_dev_ids
[] = {
42 { PCI_DEVICE(BE_VENDOR_ID
, BE_DEVICE_ID1
) },
43 { PCI_DEVICE(BE_VENDOR_ID
, BE_DEVICE_ID2
) },
44 { PCI_DEVICE(BE_VENDOR_ID
, OC_DEVICE_ID1
) },
45 { PCI_DEVICE(BE_VENDOR_ID
, OC_DEVICE_ID2
) },
46 { PCI_DEVICE(EMULEX_VENDOR_ID
, OC_DEVICE_ID3
)},
47 { PCI_DEVICE(EMULEX_VENDOR_ID
, OC_DEVICE_ID4
)},
48 { PCI_DEVICE(EMULEX_VENDOR_ID
, OC_DEVICE_ID5
)},
49 { PCI_DEVICE(EMULEX_VENDOR_ID
, OC_DEVICE_ID6
)},
52 MODULE_DEVICE_TABLE(pci
, be_dev_ids
);
53 /* UE Status Low CSR */
54 static const char * const ue_status_low_desc
[] = {
89 /* UE Status High CSR */
90 static const char * const ue_status_hi_desc
[] = {
125 static void be_queue_free(struct be_adapter
*adapter
, struct be_queue_info
*q
)
127 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
)
191 val
|= qid
& DB_RQ_RING_ID_MASK
;
192 val
|= posted
<< DB_RQ_NUM_POSTED_SHIFT
;
195 iowrite32(val
, adapter
->db
+ DB_RQ_OFFSET
);
198 static void be_txq_notify(struct be_adapter
*adapter
, struct be_tx_obj
*txo
,
203 val
|= txo
->q
.id
& DB_TXULP_RING_ID_MASK
;
204 val
|= (posted
& DB_TXULP_NUM_POSTED_MASK
) << DB_TXULP_NUM_POSTED_SHIFT
;
207 iowrite32(val
, adapter
->db
+ txo
->db_offset
);
210 static void be_eq_notify(struct be_adapter
*adapter
, u16 qid
,
211 bool arm
, bool clear_int
, u16 num_popped
)
215 val
|= qid
& DB_EQ_RING_ID_MASK
;
216 val
|= ((qid
& DB_EQ_RING_ID_EXT_MASK
) << DB_EQ_RING_ID_EXT_MASK_SHIFT
);
218 if (adapter
->eeh_error
)
222 val
|= 1 << DB_EQ_REARM_SHIFT
;
224 val
|= 1 << DB_EQ_CLR_SHIFT
;
225 val
|= 1 << DB_EQ_EVNT_SHIFT
;
226 val
|= num_popped
<< DB_EQ_NUM_POPPED_SHIFT
;
227 iowrite32(val
, adapter
->db
+ DB_EQ_OFFSET
);
230 void be_cq_notify(struct be_adapter
*adapter
, u16 qid
, bool arm
, u16 num_popped
)
234 val
|= qid
& DB_CQ_RING_ID_MASK
;
235 val
|= ((qid
& DB_CQ_RING_ID_EXT_MASK
) <<
236 DB_CQ_RING_ID_EXT_MASK_SHIFT
);
238 if (adapter
->eeh_error
)
242 val
|= 1 << DB_CQ_REARM_SHIFT
;
243 val
|= num_popped
<< DB_CQ_NUM_POPPED_SHIFT
;
244 iowrite32(val
, adapter
->db
+ DB_CQ_OFFSET
);
247 static int be_mac_addr_set(struct net_device
*netdev
, void *p
)
249 struct be_adapter
*adapter
= netdev_priv(netdev
);
250 struct device
*dev
= &adapter
->pdev
->dev
;
251 struct sockaddr
*addr
= p
;
254 u32 old_pmac_id
= adapter
->pmac_id
[0], curr_pmac_id
= 0;
256 if (!is_valid_ether_addr(addr
->sa_data
))
257 return -EADDRNOTAVAIL
;
259 /* Proceed further only if, User provided MAC is different
262 if (ether_addr_equal(addr
->sa_data
, netdev
->dev_addr
))
265 /* The PMAC_ADD cmd may fail if the VF doesn't have FILTMGMT
266 * privilege or if PF did not provision the new MAC address.
267 * On BE3, this cmd will always fail if the VF doesn't have the
268 * FILTMGMT privilege. This failure is OK, only if the PF programmed
269 * the MAC for the VF.
271 status
= be_cmd_pmac_add(adapter
, (u8
*)addr
->sa_data
,
272 adapter
->if_handle
, &adapter
->pmac_id
[0], 0);
274 curr_pmac_id
= adapter
->pmac_id
[0];
276 /* Delete the old programmed MAC. This call may fail if the
277 * old MAC was already deleted by the PF driver.
279 if (adapter
->pmac_id
[0] != old_pmac_id
)
280 be_cmd_pmac_del(adapter
, adapter
->if_handle
,
284 /* Decide if the new MAC is successfully activated only after
287 status
= be_cmd_get_active_mac(adapter
, curr_pmac_id
, mac
,
288 adapter
->if_handle
, true, 0);
292 /* The MAC change did not happen, either due to lack of privilege
293 * or PF didn't pre-provision.
295 if (!ether_addr_equal(addr
->sa_data
, mac
)) {
300 memcpy(netdev
->dev_addr
, addr
->sa_data
, netdev
->addr_len
);
301 dev_info(dev
, "MAC address changed to %pM\n", mac
);
304 dev_warn(dev
, "MAC address change to %pM failed\n", addr
->sa_data
);
308 /* BE2 supports only v0 cmd */
309 static void *hw_stats_from_cmd(struct be_adapter
*adapter
)
311 if (BE2_chip(adapter
)) {
312 struct be_cmd_resp_get_stats_v0
*cmd
= adapter
->stats_cmd
.va
;
314 return &cmd
->hw_stats
;
315 } else if (BE3_chip(adapter
)) {
316 struct be_cmd_resp_get_stats_v1
*cmd
= adapter
->stats_cmd
.va
;
318 return &cmd
->hw_stats
;
320 struct be_cmd_resp_get_stats_v2
*cmd
= adapter
->stats_cmd
.va
;
322 return &cmd
->hw_stats
;
326 /* BE2 supports only v0 cmd */
327 static void *be_erx_stats_from_cmd(struct be_adapter
*adapter
)
329 if (BE2_chip(adapter
)) {
330 struct be_hw_stats_v0
*hw_stats
= hw_stats_from_cmd(adapter
);
332 return &hw_stats
->erx
;
333 } else if (BE3_chip(adapter
)) {
334 struct be_hw_stats_v1
*hw_stats
= hw_stats_from_cmd(adapter
);
336 return &hw_stats
->erx
;
338 struct be_hw_stats_v2
*hw_stats
= hw_stats_from_cmd(adapter
);
340 return &hw_stats
->erx
;
344 static void populate_be_v0_stats(struct be_adapter
*adapter
)
346 struct be_hw_stats_v0
*hw_stats
= hw_stats_from_cmd(adapter
);
347 struct be_pmem_stats
*pmem_sts
= &hw_stats
->pmem
;
348 struct be_rxf_stats_v0
*rxf_stats
= &hw_stats
->rxf
;
349 struct be_port_rxf_stats_v0
*port_stats
=
350 &rxf_stats
->port
[adapter
->port_num
];
351 struct be_drv_stats
*drvs
= &adapter
->drv_stats
;
353 be_dws_le_to_cpu(hw_stats
, sizeof(*hw_stats
));
354 drvs
->rx_pause_frames
= port_stats
->rx_pause_frames
;
355 drvs
->rx_crc_errors
= port_stats
->rx_crc_errors
;
356 drvs
->rx_control_frames
= port_stats
->rx_control_frames
;
357 drvs
->rx_in_range_errors
= port_stats
->rx_in_range_errors
;
358 drvs
->rx_frame_too_long
= port_stats
->rx_frame_too_long
;
359 drvs
->rx_dropped_runt
= port_stats
->rx_dropped_runt
;
360 drvs
->rx_ip_checksum_errs
= port_stats
->rx_ip_checksum_errs
;
361 drvs
->rx_tcp_checksum_errs
= port_stats
->rx_tcp_checksum_errs
;
362 drvs
->rx_udp_checksum_errs
= port_stats
->rx_udp_checksum_errs
;
363 drvs
->rxpp_fifo_overflow_drop
= port_stats
->rx_fifo_overflow
;
364 drvs
->rx_dropped_tcp_length
= port_stats
->rx_dropped_tcp_length
;
365 drvs
->rx_dropped_too_small
= port_stats
->rx_dropped_too_small
;
366 drvs
->rx_dropped_too_short
= port_stats
->rx_dropped_too_short
;
367 drvs
->rx_out_range_errors
= port_stats
->rx_out_range_errors
;
368 drvs
->rx_input_fifo_overflow_drop
= port_stats
->rx_input_fifo_overflow
;
369 drvs
->rx_dropped_header_too_small
=
370 port_stats
->rx_dropped_header_too_small
;
371 drvs
->rx_address_filtered
=
372 port_stats
->rx_address_filtered
+
373 port_stats
->rx_vlan_filtered
;
374 drvs
->rx_alignment_symbol_errors
=
375 port_stats
->rx_alignment_symbol_errors
;
377 drvs
->tx_pauseframes
= port_stats
->tx_pauseframes
;
378 drvs
->tx_controlframes
= port_stats
->tx_controlframes
;
380 if (adapter
->port_num
)
381 drvs
->jabber_events
= rxf_stats
->port1_jabber_events
;
383 drvs
->jabber_events
= rxf_stats
->port0_jabber_events
;
384 drvs
->rx_drops_no_pbuf
= rxf_stats
->rx_drops_no_pbuf
;
385 drvs
->rx_drops_no_erx_descr
= rxf_stats
->rx_drops_no_erx_descr
;
386 drvs
->forwarded_packets
= rxf_stats
->forwarded_packets
;
387 drvs
->rx_drops_mtu
= rxf_stats
->rx_drops_mtu
;
388 drvs
->rx_drops_no_tpre_descr
= rxf_stats
->rx_drops_no_tpre_descr
;
389 drvs
->rx_drops_too_many_frags
= rxf_stats
->rx_drops_too_many_frags
;
390 adapter
->drv_stats
.eth_red_drops
= pmem_sts
->eth_red_drops
;
393 static void populate_be_v1_stats(struct be_adapter
*adapter
)
395 struct be_hw_stats_v1
*hw_stats
= hw_stats_from_cmd(adapter
);
396 struct be_pmem_stats
*pmem_sts
= &hw_stats
->pmem
;
397 struct be_rxf_stats_v1
*rxf_stats
= &hw_stats
->rxf
;
398 struct be_port_rxf_stats_v1
*port_stats
=
399 &rxf_stats
->port
[adapter
->port_num
];
400 struct be_drv_stats
*drvs
= &adapter
->drv_stats
;
402 be_dws_le_to_cpu(hw_stats
, sizeof(*hw_stats
));
403 drvs
->pmem_fifo_overflow_drop
= port_stats
->pmem_fifo_overflow_drop
;
404 drvs
->rx_priority_pause_frames
= port_stats
->rx_priority_pause_frames
;
405 drvs
->rx_pause_frames
= port_stats
->rx_pause_frames
;
406 drvs
->rx_crc_errors
= port_stats
->rx_crc_errors
;
407 drvs
->rx_control_frames
= port_stats
->rx_control_frames
;
408 drvs
->rx_in_range_errors
= port_stats
->rx_in_range_errors
;
409 drvs
->rx_frame_too_long
= port_stats
->rx_frame_too_long
;
410 drvs
->rx_dropped_runt
= port_stats
->rx_dropped_runt
;
411 drvs
->rx_ip_checksum_errs
= port_stats
->rx_ip_checksum_errs
;
412 drvs
->rx_tcp_checksum_errs
= port_stats
->rx_tcp_checksum_errs
;
413 drvs
->rx_udp_checksum_errs
= port_stats
->rx_udp_checksum_errs
;
414 drvs
->rx_dropped_tcp_length
= port_stats
->rx_dropped_tcp_length
;
415 drvs
->rx_dropped_too_small
= port_stats
->rx_dropped_too_small
;
416 drvs
->rx_dropped_too_short
= port_stats
->rx_dropped_too_short
;
417 drvs
->rx_out_range_errors
= port_stats
->rx_out_range_errors
;
418 drvs
->rx_dropped_header_too_small
=
419 port_stats
->rx_dropped_header_too_small
;
420 drvs
->rx_input_fifo_overflow_drop
=
421 port_stats
->rx_input_fifo_overflow_drop
;
422 drvs
->rx_address_filtered
= port_stats
->rx_address_filtered
;
423 drvs
->rx_alignment_symbol_errors
=
424 port_stats
->rx_alignment_symbol_errors
;
425 drvs
->rxpp_fifo_overflow_drop
= port_stats
->rxpp_fifo_overflow_drop
;
426 drvs
->tx_pauseframes
= port_stats
->tx_pauseframes
;
427 drvs
->tx_controlframes
= port_stats
->tx_controlframes
;
428 drvs
->tx_priority_pauseframes
= port_stats
->tx_priority_pauseframes
;
429 drvs
->jabber_events
= port_stats
->jabber_events
;
430 drvs
->rx_drops_no_pbuf
= rxf_stats
->rx_drops_no_pbuf
;
431 drvs
->rx_drops_no_erx_descr
= rxf_stats
->rx_drops_no_erx_descr
;
432 drvs
->forwarded_packets
= rxf_stats
->forwarded_packets
;
433 drvs
->rx_drops_mtu
= rxf_stats
->rx_drops_mtu
;
434 drvs
->rx_drops_no_tpre_descr
= rxf_stats
->rx_drops_no_tpre_descr
;
435 drvs
->rx_drops_too_many_frags
= rxf_stats
->rx_drops_too_many_frags
;
436 adapter
->drv_stats
.eth_red_drops
= pmem_sts
->eth_red_drops
;
439 static void populate_be_v2_stats(struct be_adapter
*adapter
)
441 struct be_hw_stats_v2
*hw_stats
= hw_stats_from_cmd(adapter
);
442 struct be_pmem_stats
*pmem_sts
= &hw_stats
->pmem
;
443 struct be_rxf_stats_v2
*rxf_stats
= &hw_stats
->rxf
;
444 struct be_port_rxf_stats_v2
*port_stats
=
445 &rxf_stats
->port
[adapter
->port_num
];
446 struct be_drv_stats
*drvs
= &adapter
->drv_stats
;
448 be_dws_le_to_cpu(hw_stats
, sizeof(*hw_stats
));
449 drvs
->pmem_fifo_overflow_drop
= port_stats
->pmem_fifo_overflow_drop
;
450 drvs
->rx_priority_pause_frames
= port_stats
->rx_priority_pause_frames
;
451 drvs
->rx_pause_frames
= port_stats
->rx_pause_frames
;
452 drvs
->rx_crc_errors
= port_stats
->rx_crc_errors
;
453 drvs
->rx_control_frames
= port_stats
->rx_control_frames
;
454 drvs
->rx_in_range_errors
= port_stats
->rx_in_range_errors
;
455 drvs
->rx_frame_too_long
= port_stats
->rx_frame_too_long
;
456 drvs
->rx_dropped_runt
= port_stats
->rx_dropped_runt
;
457 drvs
->rx_ip_checksum_errs
= port_stats
->rx_ip_checksum_errs
;
458 drvs
->rx_tcp_checksum_errs
= port_stats
->rx_tcp_checksum_errs
;
459 drvs
->rx_udp_checksum_errs
= port_stats
->rx_udp_checksum_errs
;
460 drvs
->rx_dropped_tcp_length
= port_stats
->rx_dropped_tcp_length
;
461 drvs
->rx_dropped_too_small
= port_stats
->rx_dropped_too_small
;
462 drvs
->rx_dropped_too_short
= port_stats
->rx_dropped_too_short
;
463 drvs
->rx_out_range_errors
= port_stats
->rx_out_range_errors
;
464 drvs
->rx_dropped_header_too_small
=
465 port_stats
->rx_dropped_header_too_small
;
466 drvs
->rx_input_fifo_overflow_drop
=
467 port_stats
->rx_input_fifo_overflow_drop
;
468 drvs
->rx_address_filtered
= port_stats
->rx_address_filtered
;
469 drvs
->rx_alignment_symbol_errors
=
470 port_stats
->rx_alignment_symbol_errors
;
471 drvs
->rxpp_fifo_overflow_drop
= port_stats
->rxpp_fifo_overflow_drop
;
472 drvs
->tx_pauseframes
= port_stats
->tx_pauseframes
;
473 drvs
->tx_controlframes
= port_stats
->tx_controlframes
;
474 drvs
->tx_priority_pauseframes
= port_stats
->tx_priority_pauseframes
;
475 drvs
->jabber_events
= port_stats
->jabber_events
;
476 drvs
->rx_drops_no_pbuf
= rxf_stats
->rx_drops_no_pbuf
;
477 drvs
->rx_drops_no_erx_descr
= rxf_stats
->rx_drops_no_erx_descr
;
478 drvs
->forwarded_packets
= rxf_stats
->forwarded_packets
;
479 drvs
->rx_drops_mtu
= rxf_stats
->rx_drops_mtu
;
480 drvs
->rx_drops_no_tpre_descr
= rxf_stats
->rx_drops_no_tpre_descr
;
481 drvs
->rx_drops_too_many_frags
= rxf_stats
->rx_drops_too_many_frags
;
482 adapter
->drv_stats
.eth_red_drops
= pmem_sts
->eth_red_drops
;
483 if (be_roce_supported(adapter
)) {
484 drvs
->rx_roce_bytes_lsd
= port_stats
->roce_bytes_received_lsd
;
485 drvs
->rx_roce_bytes_msd
= port_stats
->roce_bytes_received_msd
;
486 drvs
->rx_roce_frames
= port_stats
->roce_frames_received
;
487 drvs
->roce_drops_crc
= port_stats
->roce_drops_crc
;
488 drvs
->roce_drops_payload_len
=
489 port_stats
->roce_drops_payload_len
;
493 static void populate_lancer_stats(struct be_adapter
*adapter
)
495 struct be_drv_stats
*drvs
= &adapter
->drv_stats
;
496 struct lancer_pport_stats
*pport_stats
= pport_stats_from_cmd(adapter
);
498 be_dws_le_to_cpu(pport_stats
, sizeof(*pport_stats
));
499 drvs
->rx_pause_frames
= pport_stats
->rx_pause_frames_lo
;
500 drvs
->rx_crc_errors
= pport_stats
->rx_crc_errors_lo
;
501 drvs
->rx_control_frames
= pport_stats
->rx_control_frames_lo
;
502 drvs
->rx_in_range_errors
= pport_stats
->rx_in_range_errors
;
503 drvs
->rx_frame_too_long
= pport_stats
->rx_frames_too_long_lo
;
504 drvs
->rx_dropped_runt
= pport_stats
->rx_dropped_runt
;
505 drvs
->rx_ip_checksum_errs
= pport_stats
->rx_ip_checksum_errors
;
506 drvs
->rx_tcp_checksum_errs
= pport_stats
->rx_tcp_checksum_errors
;
507 drvs
->rx_udp_checksum_errs
= pport_stats
->rx_udp_checksum_errors
;
508 drvs
->rx_dropped_tcp_length
=
509 pport_stats
->rx_dropped_invalid_tcp_length
;
510 drvs
->rx_dropped_too_small
= pport_stats
->rx_dropped_too_small
;
511 drvs
->rx_dropped_too_short
= pport_stats
->rx_dropped_too_short
;
512 drvs
->rx_out_range_errors
= pport_stats
->rx_out_of_range_errors
;
513 drvs
->rx_dropped_header_too_small
=
514 pport_stats
->rx_dropped_header_too_small
;
515 drvs
->rx_input_fifo_overflow_drop
= pport_stats
->rx_fifo_overflow
;
516 drvs
->rx_address_filtered
=
517 pport_stats
->rx_address_filtered
+
518 pport_stats
->rx_vlan_filtered
;
519 drvs
->rx_alignment_symbol_errors
= pport_stats
->rx_symbol_errors_lo
;
520 drvs
->rxpp_fifo_overflow_drop
= pport_stats
->rx_fifo_overflow
;
521 drvs
->tx_pauseframes
= pport_stats
->tx_pause_frames_lo
;
522 drvs
->tx_controlframes
= pport_stats
->tx_control_frames_lo
;
523 drvs
->jabber_events
= pport_stats
->rx_jabbers
;
524 drvs
->forwarded_packets
= pport_stats
->num_forwards_lo
;
525 drvs
->rx_drops_mtu
= pport_stats
->rx_drops_mtu_lo
;
526 drvs
->rx_drops_too_many_frags
=
527 pport_stats
->rx_drops_too_many_frags_lo
;
530 static void accumulate_16bit_val(u32
*acc
, u16 val
)
532 #define lo(x) (x & 0xFFFF)
533 #define hi(x) (x & 0xFFFF0000)
534 bool wrapped
= val
< lo(*acc
);
535 u32 newacc
= hi(*acc
) + val
;
539 ACCESS_ONCE(*acc
) = newacc
;
542 static void populate_erx_stats(struct be_adapter
*adapter
,
543 struct be_rx_obj
*rxo
, u32 erx_stat
)
545 if (!BEx_chip(adapter
))
546 rx_stats(rxo
)->rx_drops_no_frags
= erx_stat
;
548 /* below erx HW counter can actually wrap around after
549 * 65535. Driver accumulates a 32-bit value
551 accumulate_16bit_val(&rx_stats(rxo
)->rx_drops_no_frags
,
555 void be_parse_stats(struct be_adapter
*adapter
)
557 struct be_erx_stats_v2
*erx
= be_erx_stats_from_cmd(adapter
);
558 struct be_rx_obj
*rxo
;
562 if (lancer_chip(adapter
)) {
563 populate_lancer_stats(adapter
);
565 if (BE2_chip(adapter
))
566 populate_be_v0_stats(adapter
);
567 else if (BE3_chip(adapter
))
569 populate_be_v1_stats(adapter
);
571 populate_be_v2_stats(adapter
);
573 /* erx_v2 is longer than v0, v1. use v2 for v0, v1 access */
574 for_all_rx_queues(adapter
, rxo
, i
) {
575 erx_stat
= erx
->rx_drops_no_fragments
[rxo
->q
.id
];
576 populate_erx_stats(adapter
, rxo
, erx_stat
);
581 static struct rtnl_link_stats64
*be_get_stats64(struct net_device
*netdev
,
582 struct rtnl_link_stats64
*stats
)
584 struct be_adapter
*adapter
= netdev_priv(netdev
);
585 struct be_drv_stats
*drvs
= &adapter
->drv_stats
;
586 struct be_rx_obj
*rxo
;
587 struct be_tx_obj
*txo
;
592 for_all_rx_queues(adapter
, rxo
, i
) {
593 const struct be_rx_stats
*rx_stats
= rx_stats(rxo
);
596 start
= u64_stats_fetch_begin_irq(&rx_stats
->sync
);
597 pkts
= rx_stats(rxo
)->rx_pkts
;
598 bytes
= rx_stats(rxo
)->rx_bytes
;
599 } while (u64_stats_fetch_retry_irq(&rx_stats
->sync
, start
));
600 stats
->rx_packets
+= pkts
;
601 stats
->rx_bytes
+= bytes
;
602 stats
->multicast
+= rx_stats(rxo
)->rx_mcast_pkts
;
603 stats
->rx_dropped
+= rx_stats(rxo
)->rx_drops_no_skbs
+
604 rx_stats(rxo
)->rx_drops_no_frags
;
607 for_all_tx_queues(adapter
, txo
, i
) {
608 const struct be_tx_stats
*tx_stats
= tx_stats(txo
);
611 start
= u64_stats_fetch_begin_irq(&tx_stats
->sync
);
612 pkts
= tx_stats(txo
)->tx_pkts
;
613 bytes
= tx_stats(txo
)->tx_bytes
;
614 } while (u64_stats_fetch_retry_irq(&tx_stats
->sync
, start
));
615 stats
->tx_packets
+= pkts
;
616 stats
->tx_bytes
+= bytes
;
619 /* bad pkts received */
620 stats
->rx_errors
= drvs
->rx_crc_errors
+
621 drvs
->rx_alignment_symbol_errors
+
622 drvs
->rx_in_range_errors
+
623 drvs
->rx_out_range_errors
+
624 drvs
->rx_frame_too_long
+
625 drvs
->rx_dropped_too_small
+
626 drvs
->rx_dropped_too_short
+
627 drvs
->rx_dropped_header_too_small
+
628 drvs
->rx_dropped_tcp_length
+
629 drvs
->rx_dropped_runt
;
631 /* detailed rx errors */
632 stats
->rx_length_errors
= drvs
->rx_in_range_errors
+
633 drvs
->rx_out_range_errors
+
634 drvs
->rx_frame_too_long
;
636 stats
->rx_crc_errors
= drvs
->rx_crc_errors
;
638 /* frame alignment errors */
639 stats
->rx_frame_errors
= drvs
->rx_alignment_symbol_errors
;
641 /* receiver fifo overrun */
642 /* drops_no_pbuf is no per i/f, it's per BE card */
643 stats
->rx_fifo_errors
= drvs
->rxpp_fifo_overflow_drop
+
644 drvs
->rx_input_fifo_overflow_drop
+
645 drvs
->rx_drops_no_pbuf
;
649 void be_link_status_update(struct be_adapter
*adapter
, u8 link_status
)
651 struct net_device
*netdev
= adapter
->netdev
;
653 if (!(adapter
->flags
& BE_FLAGS_LINK_STATUS_INIT
)) {
654 netif_carrier_off(netdev
);
655 adapter
->flags
|= BE_FLAGS_LINK_STATUS_INIT
;
659 netif_carrier_on(netdev
);
661 netif_carrier_off(netdev
);
664 static void be_tx_stats_update(struct be_tx_obj
*txo
, struct sk_buff
*skb
)
666 struct be_tx_stats
*stats
= tx_stats(txo
);
668 u64_stats_update_begin(&stats
->sync
);
670 stats
->tx_bytes
+= skb
->len
;
671 stats
->tx_pkts
+= (skb_shinfo(skb
)->gso_segs
? : 1);
672 u64_stats_update_end(&stats
->sync
);
675 /* Returns number of WRBs needed for the skb */
676 static u32
skb_wrb_cnt(struct sk_buff
*skb
)
678 /* +1 for the header wrb */
679 return 1 + (skb_headlen(skb
) ? 1 : 0) + skb_shinfo(skb
)->nr_frags
;
682 static inline void wrb_fill(struct be_eth_wrb
*wrb
, u64 addr
, int len
)
684 wrb
->frag_pa_hi
= cpu_to_le32(upper_32_bits(addr
));
685 wrb
->frag_pa_lo
= cpu_to_le32(lower_32_bits(addr
));
686 wrb
->frag_len
= cpu_to_le32(len
& ETH_WRB_FRAG_LEN_MASK
);
690 /* A dummy wrb is just all zeros. Using a separate routine for dummy-wrb
691 * to avoid the swap and shift/mask operations in wrb_fill().
693 static inline void wrb_fill_dummy(struct be_eth_wrb
*wrb
)
701 static inline u16
be_get_tx_vlan_tag(struct be_adapter
*adapter
,
707 vlan_tag
= skb_vlan_tag_get(skb
);
708 vlan_prio
= (vlan_tag
& VLAN_PRIO_MASK
) >> VLAN_PRIO_SHIFT
;
709 /* If vlan priority provided by OS is NOT in available bmap */
710 if (!(adapter
->vlan_prio_bmap
& (1 << vlan_prio
)))
711 vlan_tag
= (vlan_tag
& ~VLAN_PRIO_MASK
) |
712 adapter
->recommended_prio
;
717 /* Used only for IP tunnel packets */
718 static u16
skb_inner_ip_proto(struct sk_buff
*skb
)
720 return (inner_ip_hdr(skb
)->version
== 4) ?
721 inner_ip_hdr(skb
)->protocol
: inner_ipv6_hdr(skb
)->nexthdr
;
724 static u16
skb_ip_proto(struct sk_buff
*skb
)
726 return (ip_hdr(skb
)->version
== 4) ?
727 ip_hdr(skb
)->protocol
: ipv6_hdr(skb
)->nexthdr
;
730 static void wrb_fill_hdr(struct be_adapter
*adapter
, struct be_eth_hdr_wrb
*hdr
,
731 struct sk_buff
*skb
, u32 wrb_cnt
, u32 len
,
736 memset(hdr
, 0, sizeof(*hdr
));
738 SET_TX_WRB_HDR_BITS(crc
, hdr
, 1);
740 if (skb_is_gso(skb
)) {
741 SET_TX_WRB_HDR_BITS(lso
, hdr
, 1);
742 SET_TX_WRB_HDR_BITS(lso_mss
, hdr
, skb_shinfo(skb
)->gso_size
);
743 if (skb_is_gso_v6(skb
) && !lancer_chip(adapter
))
744 SET_TX_WRB_HDR_BITS(lso6
, hdr
, 1);
745 } else if (skb
->ip_summed
== CHECKSUM_PARTIAL
) {
746 if (skb
->encapsulation
) {
747 SET_TX_WRB_HDR_BITS(ipcs
, hdr
, 1);
748 proto
= skb_inner_ip_proto(skb
);
750 proto
= skb_ip_proto(skb
);
752 if (proto
== IPPROTO_TCP
)
753 SET_TX_WRB_HDR_BITS(tcpcs
, hdr
, 1);
754 else if (proto
== IPPROTO_UDP
)
755 SET_TX_WRB_HDR_BITS(udpcs
, hdr
, 1);
758 if (skb_vlan_tag_present(skb
)) {
759 SET_TX_WRB_HDR_BITS(vlan
, hdr
, 1);
760 vlan_tag
= be_get_tx_vlan_tag(adapter
, skb
);
761 SET_TX_WRB_HDR_BITS(vlan_tag
, hdr
, vlan_tag
);
764 SET_TX_WRB_HDR_BITS(num_wrb
, hdr
, wrb_cnt
);
765 SET_TX_WRB_HDR_BITS(len
, hdr
, len
);
767 /* Hack to skip HW VLAN tagging needs evt = 1, compl = 0
768 * When this hack is not needed, the evt bit is set while ringing DB
771 SET_TX_WRB_HDR_BITS(event
, hdr
, 1);
774 static void unmap_tx_frag(struct device
*dev
, struct be_eth_wrb
*wrb
,
778 u32 frag_len
= le32_to_cpu(wrb
->frag_len
);
781 dma
= (u64
)le32_to_cpu(wrb
->frag_pa_hi
) << 32 |
782 (u64
)le32_to_cpu(wrb
->frag_pa_lo
);
785 dma_unmap_single(dev
, dma
, frag_len
, DMA_TO_DEVICE
);
787 dma_unmap_page(dev
, dma
, frag_len
, DMA_TO_DEVICE
);
791 /* Returns the number of WRBs used up by the skb */
792 static u32
be_xmit_enqueue(struct be_adapter
*adapter
, struct be_tx_obj
*txo
,
793 struct sk_buff
*skb
, bool skip_hw_vlan
)
795 u32 i
, copied
= 0, wrb_cnt
= skb_wrb_cnt(skb
);
796 struct device
*dev
= &adapter
->pdev
->dev
;
797 struct be_queue_info
*txq
= &txo
->q
;
798 struct be_eth_hdr_wrb
*hdr
;
799 bool map_single
= false;
800 struct be_eth_wrb
*wrb
;
802 u16 head
= txq
->head
;
804 hdr
= queue_head_node(txq
);
805 wrb_fill_hdr(adapter
, hdr
, skb
, wrb_cnt
, skb
->len
, skip_hw_vlan
);
806 be_dws_cpu_to_le(hdr
, sizeof(*hdr
));
810 if (skb
->len
> skb
->data_len
) {
811 int len
= skb_headlen(skb
);
813 busaddr
= dma_map_single(dev
, skb
->data
, len
, DMA_TO_DEVICE
);
814 if (dma_mapping_error(dev
, busaddr
))
817 wrb
= queue_head_node(txq
);
818 wrb_fill(wrb
, busaddr
, len
);
823 for (i
= 0; i
< skb_shinfo(skb
)->nr_frags
; i
++) {
824 const struct skb_frag_struct
*frag
= &skb_shinfo(skb
)->frags
[i
];
826 busaddr
= skb_frag_dma_map(dev
, frag
, 0,
827 skb_frag_size(frag
), DMA_TO_DEVICE
);
828 if (dma_mapping_error(dev
, busaddr
))
830 wrb
= queue_head_node(txq
);
831 wrb_fill(wrb
, busaddr
, skb_frag_size(frag
));
833 copied
+= skb_frag_size(frag
);
836 BUG_ON(txo
->sent_skb_list
[head
]);
837 txo
->sent_skb_list
[head
] = skb
;
838 txo
->last_req_hdr
= head
;
839 atomic_add(wrb_cnt
, &txq
->used
);
840 txo
->last_req_wrb_cnt
= wrb_cnt
;
841 txo
->pend_wrb_cnt
+= wrb_cnt
;
843 be_tx_stats_update(txo
, skb
);
847 /* Bring the queue back to the state it was in before this
848 * routine was invoked.
851 /* skip the first wrb (hdr); it's not mapped */
854 wrb
= queue_head_node(txq
);
855 unmap_tx_frag(dev
, wrb
, map_single
);
857 copied
-= le32_to_cpu(wrb
->frag_len
);
858 adapter
->drv_stats
.dma_map_errors
++;
865 static inline int qnq_async_evt_rcvd(struct be_adapter
*adapter
)
867 return adapter
->flags
& BE_FLAGS_QNQ_ASYNC_EVT_RCVD
;
870 static struct sk_buff
*be_insert_vlan_in_pkt(struct be_adapter
*adapter
,
876 skb
= skb_share_check(skb
, GFP_ATOMIC
);
880 if (skb_vlan_tag_present(skb
))
881 vlan_tag
= be_get_tx_vlan_tag(adapter
, skb
);
883 if (qnq_async_evt_rcvd(adapter
) && adapter
->pvid
) {
885 vlan_tag
= adapter
->pvid
;
886 /* f/w workaround to set skip_hw_vlan = 1, informs the F/W to
887 * skip VLAN insertion
890 *skip_hw_vlan
= true;
894 skb
= vlan_insert_tag_set_proto(skb
, htons(ETH_P_8021Q
),
901 /* Insert the outer VLAN, if any */
902 if (adapter
->qnq_vid
) {
903 vlan_tag
= adapter
->qnq_vid
;
904 skb
= vlan_insert_tag_set_proto(skb
, htons(ETH_P_8021Q
),
909 *skip_hw_vlan
= true;
915 static bool be_ipv6_exthdr_check(struct sk_buff
*skb
)
917 struct ethhdr
*eh
= (struct ethhdr
*)skb
->data
;
918 u16 offset
= ETH_HLEN
;
920 if (eh
->h_proto
== htons(ETH_P_IPV6
)) {
921 struct ipv6hdr
*ip6h
= (struct ipv6hdr
*)(skb
->data
+ offset
);
923 offset
+= sizeof(struct ipv6hdr
);
924 if (ip6h
->nexthdr
!= NEXTHDR_TCP
&&
925 ip6h
->nexthdr
!= NEXTHDR_UDP
) {
926 struct ipv6_opt_hdr
*ehdr
=
927 (struct ipv6_opt_hdr
*)(skb
->data
+ offset
);
929 /* offending pkt: 2nd byte following IPv6 hdr is 0xff */
930 if (ehdr
->hdrlen
== 0xff)
937 static int be_vlan_tag_tx_chk(struct be_adapter
*adapter
, struct sk_buff
*skb
)
939 return skb_vlan_tag_present(skb
) || adapter
->pvid
|| adapter
->qnq_vid
;
942 static int be_ipv6_tx_stall_chk(struct be_adapter
*adapter
, struct sk_buff
*skb
)
944 return BE3_chip(adapter
) && be_ipv6_exthdr_check(skb
);
947 static struct sk_buff
*be_lancer_xmit_workarounds(struct be_adapter
*adapter
,
951 struct vlan_ethhdr
*veh
= (struct vlan_ethhdr
*)skb
->data
;
952 unsigned int eth_hdr_len
;
955 /* For padded packets, BE HW modifies tot_len field in IP header
956 * incorrecly when VLAN tag is inserted by HW.
957 * For padded packets, Lancer computes incorrect checksum.
959 eth_hdr_len
= ntohs(skb
->protocol
) == ETH_P_8021Q
?
960 VLAN_ETH_HLEN
: ETH_HLEN
;
961 if (skb
->len
<= 60 &&
962 (lancer_chip(adapter
) || skb_vlan_tag_present(skb
)) &&
964 ip
= (struct iphdr
*)ip_hdr(skb
);
965 pskb_trim(skb
, eth_hdr_len
+ ntohs(ip
->tot_len
));
968 /* If vlan tag is already inlined in the packet, skip HW VLAN
969 * tagging in pvid-tagging mode
971 if (be_pvid_tagging_enabled(adapter
) &&
972 veh
->h_vlan_proto
== htons(ETH_P_8021Q
))
973 *skip_hw_vlan
= true;
975 /* HW has a bug wherein it will calculate CSUM for VLAN
976 * pkts even though it is disabled.
977 * Manually insert VLAN in pkt.
979 if (skb
->ip_summed
!= CHECKSUM_PARTIAL
&&
980 skb_vlan_tag_present(skb
)) {
981 skb
= be_insert_vlan_in_pkt(adapter
, skb
, skip_hw_vlan
);
986 /* HW may lockup when VLAN HW tagging is requested on
987 * certain ipv6 packets. Drop such pkts if the HW workaround to
988 * skip HW tagging is not enabled by FW.
990 if (unlikely(be_ipv6_tx_stall_chk(adapter
, skb
) &&
991 (adapter
->pvid
|| adapter
->qnq_vid
) &&
992 !qnq_async_evt_rcvd(adapter
)))
995 /* Manual VLAN tag insertion to prevent:
996 * ASIC lockup when the ASIC inserts VLAN tag into
997 * certain ipv6 packets. Insert VLAN tags in driver,
998 * and set event, completion, vlan bits accordingly
1001 if (be_ipv6_tx_stall_chk(adapter
, skb
) &&
1002 be_vlan_tag_tx_chk(adapter
, skb
)) {
1003 skb
= be_insert_vlan_in_pkt(adapter
, skb
, skip_hw_vlan
);
1010 dev_kfree_skb_any(skb
);
1015 static struct sk_buff
*be_xmit_workarounds(struct be_adapter
*adapter
,
1016 struct sk_buff
*skb
,
1019 /* Lancer, SH-R ASICs have a bug wherein Packets that are 32 bytes or
1020 * less may cause a transmit stall on that port. So the work-around is
1021 * to pad short packets (<= 32 bytes) to a 36-byte length.
1023 if (unlikely(!BEx_chip(adapter
) && skb
->len
<= 32)) {
1024 if (skb_put_padto(skb
, 36))
1028 if (BEx_chip(adapter
) || lancer_chip(adapter
)) {
1029 skb
= be_lancer_xmit_workarounds(adapter
, skb
, skip_hw_vlan
);
1037 static void be_xmit_flush(struct be_adapter
*adapter
, struct be_tx_obj
*txo
)
1039 struct be_queue_info
*txq
= &txo
->q
;
1040 struct be_eth_hdr_wrb
*hdr
= queue_index_node(txq
, txo
->last_req_hdr
);
1042 /* Mark the last request eventable if it hasn't been marked already */
1043 if (!(hdr
->dw
[2] & cpu_to_le32(TX_HDR_WRB_EVT
)))
1044 hdr
->dw
[2] |= cpu_to_le32(TX_HDR_WRB_EVT
| TX_HDR_WRB_COMPL
);
1046 /* compose a dummy wrb if there are odd set of wrbs to notify */
1047 if (!lancer_chip(adapter
) && (txo
->pend_wrb_cnt
& 1)) {
1048 wrb_fill_dummy(queue_head_node(txq
));
1049 queue_head_inc(txq
);
1050 atomic_inc(&txq
->used
);
1051 txo
->pend_wrb_cnt
++;
1052 hdr
->dw
[2] &= ~cpu_to_le32(TX_HDR_WRB_NUM_MASK
<<
1053 TX_HDR_WRB_NUM_SHIFT
);
1054 hdr
->dw
[2] |= cpu_to_le32((txo
->last_req_wrb_cnt
+ 1) <<
1055 TX_HDR_WRB_NUM_SHIFT
);
1057 be_txq_notify(adapter
, txo
, txo
->pend_wrb_cnt
);
1058 txo
->pend_wrb_cnt
= 0;
1061 static netdev_tx_t
be_xmit(struct sk_buff
*skb
, struct net_device
*netdev
)
1063 bool skip_hw_vlan
= false, flush
= !skb
->xmit_more
;
1064 struct be_adapter
*adapter
= netdev_priv(netdev
);
1065 u16 q_idx
= skb_get_queue_mapping(skb
);
1066 struct be_tx_obj
*txo
= &adapter
->tx_obj
[q_idx
];
1067 struct be_queue_info
*txq
= &txo
->q
;
1070 skb
= be_xmit_workarounds(adapter
, skb
, &skip_hw_vlan
);
1074 wrb_cnt
= be_xmit_enqueue(adapter
, txo
, skb
, skip_hw_vlan
);
1075 if (unlikely(!wrb_cnt
)) {
1076 dev_kfree_skb_any(skb
);
1080 if ((atomic_read(&txq
->used
) + BE_MAX_TX_FRAG_COUNT
) >= txq
->len
) {
1081 netif_stop_subqueue(netdev
, q_idx
);
1082 tx_stats(txo
)->tx_stops
++;
1085 if (flush
|| __netif_subqueue_stopped(netdev
, q_idx
))
1086 be_xmit_flush(adapter
, txo
);
1088 return NETDEV_TX_OK
;
1090 tx_stats(txo
)->tx_drv_drops
++;
1091 /* Flush the already enqueued tx requests */
1092 if (flush
&& txo
->pend_wrb_cnt
)
1093 be_xmit_flush(adapter
, txo
);
1095 return NETDEV_TX_OK
;
1098 static int be_change_mtu(struct net_device
*netdev
, int new_mtu
)
1100 struct be_adapter
*adapter
= netdev_priv(netdev
);
1101 struct device
*dev
= &adapter
->pdev
->dev
;
1103 if (new_mtu
< BE_MIN_MTU
|| new_mtu
> BE_MAX_MTU
) {
1104 dev_info(dev
, "MTU must be between %d and %d bytes\n",
1105 BE_MIN_MTU
, BE_MAX_MTU
);
1109 dev_info(dev
, "MTU changed from %d to %d bytes\n",
1110 netdev
->mtu
, new_mtu
);
1111 netdev
->mtu
= new_mtu
;
1115 static inline bool be_in_all_promisc(struct be_adapter
*adapter
)
1117 return (adapter
->if_flags
& BE_IF_FLAGS_ALL_PROMISCUOUS
) ==
1118 BE_IF_FLAGS_ALL_PROMISCUOUS
;
1121 static int be_set_vlan_promisc(struct be_adapter
*adapter
)
1123 struct device
*dev
= &adapter
->pdev
->dev
;
1126 if (adapter
->if_flags
& BE_IF_FLAGS_VLAN_PROMISCUOUS
)
1129 status
= be_cmd_rx_filter(adapter
, BE_IF_FLAGS_VLAN_PROMISCUOUS
, ON
);
1131 dev_info(dev
, "Enabled VLAN promiscuous mode\n");
1132 adapter
->if_flags
|= BE_IF_FLAGS_VLAN_PROMISCUOUS
;
1134 dev_err(dev
, "Failed to enable VLAN promiscuous mode\n");
1139 static int be_clear_vlan_promisc(struct be_adapter
*adapter
)
1141 struct device
*dev
= &adapter
->pdev
->dev
;
1144 status
= be_cmd_rx_filter(adapter
, BE_IF_FLAGS_VLAN_PROMISCUOUS
, OFF
);
1146 dev_info(dev
, "Disabling VLAN promiscuous mode\n");
1147 adapter
->if_flags
&= ~BE_IF_FLAGS_VLAN_PROMISCUOUS
;
1153 * A max of 64 (BE_NUM_VLANS_SUPPORTED) vlans can be configured in BE.
1154 * If the user configures more, place BE in vlan promiscuous mode.
1156 static int be_vid_config(struct be_adapter
*adapter
)
1158 struct device
*dev
= &adapter
->pdev
->dev
;
1159 u16 vids
[BE_NUM_VLANS_SUPPORTED
];
1163 /* No need to further configure vids if in promiscuous mode */
1164 if (be_in_all_promisc(adapter
))
1167 if (adapter
->vlans_added
> be_max_vlans(adapter
))
1168 return be_set_vlan_promisc(adapter
);
1170 /* Construct VLAN Table to give to HW */
1171 for_each_set_bit(i
, adapter
->vids
, VLAN_N_VID
)
1172 vids
[num
++] = cpu_to_le16(i
);
1174 status
= be_cmd_vlan_config(adapter
, adapter
->if_handle
, vids
, num
, 0);
1176 dev_err(dev
, "Setting HW VLAN filtering failed\n");
1177 /* Set to VLAN promisc mode as setting VLAN filter failed */
1178 if (addl_status(status
) ==
1179 MCC_ADDL_STATUS_INSUFFICIENT_RESOURCES
)
1180 return be_set_vlan_promisc(adapter
);
1181 } else if (adapter
->if_flags
& BE_IF_FLAGS_VLAN_PROMISCUOUS
) {
1182 status
= be_clear_vlan_promisc(adapter
);
1187 static int be_vlan_add_vid(struct net_device
*netdev
, __be16 proto
, u16 vid
)
1189 struct be_adapter
*adapter
= netdev_priv(netdev
);
1192 /* Packets with VID 0 are always received by Lancer by default */
1193 if (lancer_chip(adapter
) && vid
== 0)
1196 if (test_bit(vid
, adapter
->vids
))
1199 set_bit(vid
, adapter
->vids
);
1200 adapter
->vlans_added
++;
1202 status
= be_vid_config(adapter
);
1204 adapter
->vlans_added
--;
1205 clear_bit(vid
, adapter
->vids
);
1211 static int be_vlan_rem_vid(struct net_device
*netdev
, __be16 proto
, u16 vid
)
1213 struct be_adapter
*adapter
= netdev_priv(netdev
);
1215 /* Packets with VID 0 are always received by Lancer by default */
1216 if (lancer_chip(adapter
) && vid
== 0)
1219 clear_bit(vid
, adapter
->vids
);
1220 adapter
->vlans_added
--;
1222 return be_vid_config(adapter
);
1225 static void be_clear_all_promisc(struct be_adapter
*adapter
)
1227 be_cmd_rx_filter(adapter
, BE_IF_FLAGS_ALL_PROMISCUOUS
, OFF
);
1228 adapter
->if_flags
&= ~BE_IF_FLAGS_ALL_PROMISCUOUS
;
1231 static void be_set_all_promisc(struct be_adapter
*adapter
)
1233 be_cmd_rx_filter(adapter
, BE_IF_FLAGS_ALL_PROMISCUOUS
, ON
);
1234 adapter
->if_flags
|= BE_IF_FLAGS_ALL_PROMISCUOUS
;
1237 static void be_set_mc_promisc(struct be_adapter
*adapter
)
1241 if (adapter
->if_flags
& BE_IF_FLAGS_MCAST_PROMISCUOUS
)
1244 status
= be_cmd_rx_filter(adapter
, BE_IF_FLAGS_MCAST_PROMISCUOUS
, ON
);
1246 adapter
->if_flags
|= BE_IF_FLAGS_MCAST_PROMISCUOUS
;
1249 static void be_set_mc_list(struct be_adapter
*adapter
)
1253 status
= be_cmd_rx_filter(adapter
, BE_IF_FLAGS_MULTICAST
, ON
);
1255 adapter
->if_flags
&= ~BE_IF_FLAGS_MCAST_PROMISCUOUS
;
1257 be_set_mc_promisc(adapter
);
1260 static void be_set_uc_list(struct be_adapter
*adapter
)
1262 struct netdev_hw_addr
*ha
;
1263 int i
= 1; /* First slot is claimed by the Primary MAC */
1265 for (; adapter
->uc_macs
> 0; adapter
->uc_macs
--, i
++)
1266 be_cmd_pmac_del(adapter
, adapter
->if_handle
,
1267 adapter
->pmac_id
[i
], 0);
1269 if (netdev_uc_count(adapter
->netdev
) > be_max_uc(adapter
)) {
1270 be_set_all_promisc(adapter
);
1274 netdev_for_each_uc_addr(ha
, adapter
->netdev
) {
1275 adapter
->uc_macs
++; /* First slot is for Primary MAC */
1276 be_cmd_pmac_add(adapter
, (u8
*)ha
->addr
, adapter
->if_handle
,
1277 &adapter
->pmac_id
[adapter
->uc_macs
], 0);
1281 static void be_clear_uc_list(struct be_adapter
*adapter
)
1285 for (i
= 1; i
< (adapter
->uc_macs
+ 1); i
++)
1286 be_cmd_pmac_del(adapter
, adapter
->if_handle
,
1287 adapter
->pmac_id
[i
], 0);
1288 adapter
->uc_macs
= 0;
1291 static void be_set_rx_mode(struct net_device
*netdev
)
1293 struct be_adapter
*adapter
= netdev_priv(netdev
);
1295 if (netdev
->flags
& IFF_PROMISC
) {
1296 be_set_all_promisc(adapter
);
1300 /* Interface was previously in promiscuous mode; disable it */
1301 if (be_in_all_promisc(adapter
)) {
1302 be_clear_all_promisc(adapter
);
1303 if (adapter
->vlans_added
)
1304 be_vid_config(adapter
);
1307 /* Enable multicast promisc if num configured exceeds what we support */
1308 if (netdev
->flags
& IFF_ALLMULTI
||
1309 netdev_mc_count(netdev
) > be_max_mc(adapter
)) {
1310 be_set_mc_promisc(adapter
);
1314 if (netdev_uc_count(netdev
) != adapter
->uc_macs
)
1315 be_set_uc_list(adapter
);
1317 be_set_mc_list(adapter
);
1320 static int be_set_vf_mac(struct net_device
*netdev
, int vf
, u8
*mac
)
1322 struct be_adapter
*adapter
= netdev_priv(netdev
);
1323 struct be_vf_cfg
*vf_cfg
= &adapter
->vf_cfg
[vf
];
1326 if (!sriov_enabled(adapter
))
1329 if (!is_valid_ether_addr(mac
) || vf
>= adapter
->num_vfs
)
1332 /* Proceed further only if user provided MAC is different
1335 if (ether_addr_equal(mac
, vf_cfg
->mac_addr
))
1338 if (BEx_chip(adapter
)) {
1339 be_cmd_pmac_del(adapter
, vf_cfg
->if_handle
, vf_cfg
->pmac_id
,
1342 status
= be_cmd_pmac_add(adapter
, mac
, vf_cfg
->if_handle
,
1343 &vf_cfg
->pmac_id
, vf
+ 1);
1345 status
= be_cmd_set_mac(adapter
, mac
, vf_cfg
->if_handle
,
1350 dev_err(&adapter
->pdev
->dev
, "MAC %pM set on VF %d Failed: %#x",
1352 return be_cmd_status(status
);
1355 ether_addr_copy(vf_cfg
->mac_addr
, mac
);
1360 static int be_get_vf_config(struct net_device
*netdev
, int vf
,
1361 struct ifla_vf_info
*vi
)
1363 struct be_adapter
*adapter
= netdev_priv(netdev
);
1364 struct be_vf_cfg
*vf_cfg
= &adapter
->vf_cfg
[vf
];
1366 if (!sriov_enabled(adapter
))
1369 if (vf
>= adapter
->num_vfs
)
1373 vi
->max_tx_rate
= vf_cfg
->tx_rate
;
1374 vi
->min_tx_rate
= 0;
1375 vi
->vlan
= vf_cfg
->vlan_tag
& VLAN_VID_MASK
;
1376 vi
->qos
= vf_cfg
->vlan_tag
>> VLAN_PRIO_SHIFT
;
1377 memcpy(&vi
->mac
, vf_cfg
->mac_addr
, ETH_ALEN
);
1378 vi
->linkstate
= adapter
->vf_cfg
[vf
].plink_tracking
;
1383 static int be_set_vf_tvt(struct be_adapter
*adapter
, int vf
, u16 vlan
)
1385 struct be_vf_cfg
*vf_cfg
= &adapter
->vf_cfg
[vf
];
1386 u16 vids
[BE_NUM_VLANS_SUPPORTED
];
1387 int vf_if_id
= vf_cfg
->if_handle
;
1390 /* Enable Transparent VLAN Tagging */
1391 status
= be_cmd_set_hsw_config(adapter
, vlan
, vf
+ 1, vf_if_id
, 0);
1395 /* Clear pre-programmed VLAN filters on VF if any, if TVT is enabled */
1397 status
= be_cmd_vlan_config(adapter
, vf_if_id
, vids
, 1, vf
+ 1);
1399 dev_info(&adapter
->pdev
->dev
,
1400 "Cleared guest VLANs on VF%d", vf
);
1402 /* After TVT is enabled, disallow VFs to program VLAN filters */
1403 if (vf_cfg
->privileges
& BE_PRIV_FILTMGMT
) {
1404 status
= be_cmd_set_fn_privileges(adapter
, vf_cfg
->privileges
&
1405 ~BE_PRIV_FILTMGMT
, vf
+ 1);
1407 vf_cfg
->privileges
&= ~BE_PRIV_FILTMGMT
;
1412 static int be_clear_vf_tvt(struct be_adapter
*adapter
, int vf
)
1414 struct be_vf_cfg
*vf_cfg
= &adapter
->vf_cfg
[vf
];
1415 struct device
*dev
= &adapter
->pdev
->dev
;
1418 /* Reset Transparent VLAN Tagging. */
1419 status
= be_cmd_set_hsw_config(adapter
, BE_RESET_VLAN_TAG_ID
, vf
+ 1,
1420 vf_cfg
->if_handle
, 0);
1424 /* Allow VFs to program VLAN filtering */
1425 if (!(vf_cfg
->privileges
& BE_PRIV_FILTMGMT
)) {
1426 status
= be_cmd_set_fn_privileges(adapter
, vf_cfg
->privileges
|
1427 BE_PRIV_FILTMGMT
, vf
+ 1);
1429 vf_cfg
->privileges
|= BE_PRIV_FILTMGMT
;
1430 dev_info(dev
, "VF%d: FILTMGMT priv enabled", vf
);
1435 "Disable/re-enable i/f in VM to clear Transparent VLAN tag");
1439 static int be_set_vf_vlan(struct net_device
*netdev
, int vf
, u16 vlan
, u8 qos
)
1441 struct be_adapter
*adapter
= netdev_priv(netdev
);
1442 struct be_vf_cfg
*vf_cfg
= &adapter
->vf_cfg
[vf
];
1445 if (!sriov_enabled(adapter
))
1448 if (vf
>= adapter
->num_vfs
|| vlan
> 4095 || qos
> 7)
1452 vlan
|= qos
<< VLAN_PRIO_SHIFT
;
1453 status
= be_set_vf_tvt(adapter
, vf
, vlan
);
1455 status
= be_clear_vf_tvt(adapter
, vf
);
1459 dev_err(&adapter
->pdev
->dev
,
1460 "VLAN %d config on VF %d failed : %#x\n", vlan
, vf
,
1462 return be_cmd_status(status
);
1465 vf_cfg
->vlan_tag
= vlan
;
1469 static int be_set_vf_tx_rate(struct net_device
*netdev
, int vf
,
1470 int min_tx_rate
, int max_tx_rate
)
1472 struct be_adapter
*adapter
= netdev_priv(netdev
);
1473 struct device
*dev
= &adapter
->pdev
->dev
;
1474 int percent_rate
, status
= 0;
1478 if (!sriov_enabled(adapter
))
1481 if (vf
>= adapter
->num_vfs
)
1490 status
= be_cmd_link_status_query(adapter
, &link_speed
,
1496 dev_err(dev
, "TX-rate setting not allowed when link is down\n");
1501 if (max_tx_rate
< 100 || max_tx_rate
> link_speed
) {
1502 dev_err(dev
, "TX-rate must be between 100 and %d Mbps\n",
1508 /* On Skyhawk the QOS setting must be done only as a % value */
1509 percent_rate
= link_speed
/ 100;
1510 if (skyhawk_chip(adapter
) && (max_tx_rate
% percent_rate
)) {
1511 dev_err(dev
, "TX-rate must be a multiple of %d Mbps\n",
1518 status
= be_cmd_config_qos(adapter
, max_tx_rate
, link_speed
, vf
+ 1);
1522 adapter
->vf_cfg
[vf
].tx_rate
= max_tx_rate
;
1526 dev_err(dev
, "TX-rate setting of %dMbps on VF%d failed\n",
1528 return be_cmd_status(status
);
1531 static int be_set_vf_link_state(struct net_device
*netdev
, int vf
,
1534 struct be_adapter
*adapter
= netdev_priv(netdev
);
1537 if (!sriov_enabled(adapter
))
1540 if (vf
>= adapter
->num_vfs
)
1543 status
= be_cmd_set_logical_link_config(adapter
, link_state
, vf
+1);
1545 dev_err(&adapter
->pdev
->dev
,
1546 "Link state change on VF %d failed: %#x\n", vf
, status
);
1547 return be_cmd_status(status
);
1550 adapter
->vf_cfg
[vf
].plink_tracking
= link_state
;
1555 static void be_aic_update(struct be_aic_obj
*aic
, u64 rx_pkts
, u64 tx_pkts
,
1558 aic
->rx_pkts_prev
= rx_pkts
;
1559 aic
->tx_reqs_prev
= tx_pkts
;
1563 static void be_eqd_update(struct be_adapter
*adapter
)
1565 struct be_set_eqd set_eqd
[MAX_EVT_QS
];
1566 int eqd
, i
, num
= 0, start
;
1567 struct be_aic_obj
*aic
;
1568 struct be_eq_obj
*eqo
;
1569 struct be_rx_obj
*rxo
;
1570 struct be_tx_obj
*txo
;
1571 u64 rx_pkts
, tx_pkts
;
1575 for_all_evt_queues(adapter
, eqo
, i
) {
1576 aic
= &adapter
->aic_obj
[eqo
->idx
];
1584 rxo
= &adapter
->rx_obj
[eqo
->idx
];
1586 start
= u64_stats_fetch_begin_irq(&rxo
->stats
.sync
);
1587 rx_pkts
= rxo
->stats
.rx_pkts
;
1588 } while (u64_stats_fetch_retry_irq(&rxo
->stats
.sync
, start
));
1590 txo
= &adapter
->tx_obj
[eqo
->idx
];
1592 start
= u64_stats_fetch_begin_irq(&txo
->stats
.sync
);
1593 tx_pkts
= txo
->stats
.tx_reqs
;
1594 } while (u64_stats_fetch_retry_irq(&txo
->stats
.sync
, start
));
1596 /* Skip, if wrapped around or first calculation */
1598 if (!aic
->jiffies
|| time_before(now
, aic
->jiffies
) ||
1599 rx_pkts
< aic
->rx_pkts_prev
||
1600 tx_pkts
< aic
->tx_reqs_prev
) {
1601 be_aic_update(aic
, rx_pkts
, tx_pkts
, now
);
1605 delta
= jiffies_to_msecs(now
- aic
->jiffies
);
1606 pps
= (((u32
)(rx_pkts
- aic
->rx_pkts_prev
) * 1000) / delta
) +
1607 (((u32
)(tx_pkts
- aic
->tx_reqs_prev
) * 1000) / delta
);
1608 eqd
= (pps
/ 15000) << 2;
1612 eqd
= min_t(u32
, eqd
, aic
->max_eqd
);
1613 eqd
= max_t(u32
, eqd
, aic
->min_eqd
);
1615 be_aic_update(aic
, rx_pkts
, tx_pkts
, now
);
1617 if (eqd
!= aic
->prev_eqd
) {
1618 set_eqd
[num
].delay_multiplier
= (eqd
* 65)/100;
1619 set_eqd
[num
].eq_id
= eqo
->q
.id
;
1620 aic
->prev_eqd
= eqd
;
1626 be_cmd_modify_eqd(adapter
, set_eqd
, num
);
1629 static void be_rx_stats_update(struct be_rx_obj
*rxo
,
1630 struct be_rx_compl_info
*rxcp
)
1632 struct be_rx_stats
*stats
= rx_stats(rxo
);
1634 u64_stats_update_begin(&stats
->sync
);
1636 stats
->rx_bytes
+= rxcp
->pkt_size
;
1638 if (rxcp
->pkt_type
== BE_MULTICAST_PACKET
)
1639 stats
->rx_mcast_pkts
++;
1641 stats
->rx_compl_err
++;
1642 u64_stats_update_end(&stats
->sync
);
1645 static inline bool csum_passed(struct be_rx_compl_info
*rxcp
)
1647 /* L4 checksum is not reliable for non TCP/UDP packets.
1648 * Also ignore ipcksm for ipv6 pkts
1650 return (rxcp
->tcpf
|| rxcp
->udpf
) && rxcp
->l4_csum
&&
1651 (rxcp
->ip_csum
|| rxcp
->ipv6
) && !rxcp
->err
;
1654 static struct be_rx_page_info
*get_rx_page_info(struct be_rx_obj
*rxo
)
1656 struct be_adapter
*adapter
= rxo
->adapter
;
1657 struct be_rx_page_info
*rx_page_info
;
1658 struct be_queue_info
*rxq
= &rxo
->q
;
1659 u16 frag_idx
= rxq
->tail
;
1661 rx_page_info
= &rxo
->page_info_tbl
[frag_idx
];
1662 BUG_ON(!rx_page_info
->page
);
1664 if (rx_page_info
->last_frag
) {
1665 dma_unmap_page(&adapter
->pdev
->dev
,
1666 dma_unmap_addr(rx_page_info
, bus
),
1667 adapter
->big_page_size
, DMA_FROM_DEVICE
);
1668 rx_page_info
->last_frag
= false;
1670 dma_sync_single_for_cpu(&adapter
->pdev
->dev
,
1671 dma_unmap_addr(rx_page_info
, bus
),
1672 rx_frag_size
, DMA_FROM_DEVICE
);
1675 queue_tail_inc(rxq
);
1676 atomic_dec(&rxq
->used
);
1677 return rx_page_info
;
1680 /* Throwaway the data in the Rx completion */
1681 static void be_rx_compl_discard(struct be_rx_obj
*rxo
,
1682 struct be_rx_compl_info
*rxcp
)
1684 struct be_rx_page_info
*page_info
;
1685 u16 i
, num_rcvd
= rxcp
->num_rcvd
;
1687 for (i
= 0; i
< num_rcvd
; i
++) {
1688 page_info
= get_rx_page_info(rxo
);
1689 put_page(page_info
->page
);
1690 memset(page_info
, 0, sizeof(*page_info
));
1695 * skb_fill_rx_data forms a complete skb for an ether frame
1696 * indicated by rxcp.
1698 static void skb_fill_rx_data(struct be_rx_obj
*rxo
, struct sk_buff
*skb
,
1699 struct be_rx_compl_info
*rxcp
)
1701 struct be_rx_page_info
*page_info
;
1703 u16 hdr_len
, curr_frag_len
, remaining
;
1706 page_info
= get_rx_page_info(rxo
);
1707 start
= page_address(page_info
->page
) + page_info
->page_offset
;
1710 /* Copy data in the first descriptor of this completion */
1711 curr_frag_len
= min(rxcp
->pkt_size
, rx_frag_size
);
1713 skb
->len
= curr_frag_len
;
1714 if (curr_frag_len
<= BE_HDR_LEN
) { /* tiny packet */
1715 memcpy(skb
->data
, start
, curr_frag_len
);
1716 /* Complete packet has now been moved to data */
1717 put_page(page_info
->page
);
1719 skb
->tail
+= curr_frag_len
;
1722 memcpy(skb
->data
, start
, hdr_len
);
1723 skb_shinfo(skb
)->nr_frags
= 1;
1724 skb_frag_set_page(skb
, 0, page_info
->page
);
1725 skb_shinfo(skb
)->frags
[0].page_offset
=
1726 page_info
->page_offset
+ hdr_len
;
1727 skb_frag_size_set(&skb_shinfo(skb
)->frags
[0],
1728 curr_frag_len
- hdr_len
);
1729 skb
->data_len
= curr_frag_len
- hdr_len
;
1730 skb
->truesize
+= rx_frag_size
;
1731 skb
->tail
+= hdr_len
;
1733 page_info
->page
= NULL
;
1735 if (rxcp
->pkt_size
<= rx_frag_size
) {
1736 BUG_ON(rxcp
->num_rcvd
!= 1);
1740 /* More frags present for this completion */
1741 remaining
= rxcp
->pkt_size
- curr_frag_len
;
1742 for (i
= 1, j
= 0; i
< rxcp
->num_rcvd
; i
++) {
1743 page_info
= get_rx_page_info(rxo
);
1744 curr_frag_len
= min(remaining
, rx_frag_size
);
1746 /* Coalesce all frags from the same physical page in one slot */
1747 if (page_info
->page_offset
== 0) {
1750 skb_frag_set_page(skb
, j
, page_info
->page
);
1751 skb_shinfo(skb
)->frags
[j
].page_offset
=
1752 page_info
->page_offset
;
1753 skb_frag_size_set(&skb_shinfo(skb
)->frags
[j
], 0);
1754 skb_shinfo(skb
)->nr_frags
++;
1756 put_page(page_info
->page
);
1759 skb_frag_size_add(&skb_shinfo(skb
)->frags
[j
], curr_frag_len
);
1760 skb
->len
+= curr_frag_len
;
1761 skb
->data_len
+= curr_frag_len
;
1762 skb
->truesize
+= rx_frag_size
;
1763 remaining
-= curr_frag_len
;
1764 page_info
->page
= NULL
;
1766 BUG_ON(j
> MAX_SKB_FRAGS
);
1769 /* Process the RX completion indicated by rxcp when GRO is disabled */
1770 static void be_rx_compl_process(struct be_rx_obj
*rxo
, struct napi_struct
*napi
,
1771 struct be_rx_compl_info
*rxcp
)
1773 struct be_adapter
*adapter
= rxo
->adapter
;
1774 struct net_device
*netdev
= adapter
->netdev
;
1775 struct sk_buff
*skb
;
1777 skb
= netdev_alloc_skb_ip_align(netdev
, BE_RX_SKB_ALLOC_SIZE
);
1778 if (unlikely(!skb
)) {
1779 rx_stats(rxo
)->rx_drops_no_skbs
++;
1780 be_rx_compl_discard(rxo
, rxcp
);
1784 skb_fill_rx_data(rxo
, skb
, rxcp
);
1786 if (likely((netdev
->features
& NETIF_F_RXCSUM
) && csum_passed(rxcp
)))
1787 skb
->ip_summed
= CHECKSUM_UNNECESSARY
;
1789 skb_checksum_none_assert(skb
);
1791 skb
->protocol
= eth_type_trans(skb
, netdev
);
1792 skb_record_rx_queue(skb
, rxo
- &adapter
->rx_obj
[0]);
1793 if (netdev
->features
& NETIF_F_RXHASH
)
1794 skb_set_hash(skb
, rxcp
->rss_hash
, PKT_HASH_TYPE_L3
);
1796 skb
->csum_level
= rxcp
->tunneled
;
1797 skb_mark_napi_id(skb
, napi
);
1800 __vlan_hwaccel_put_tag(skb
, htons(ETH_P_8021Q
), rxcp
->vlan_tag
);
1802 netif_receive_skb(skb
);
1805 /* Process the RX completion indicated by rxcp when GRO is enabled */
1806 static void be_rx_compl_process_gro(struct be_rx_obj
*rxo
,
1807 struct napi_struct
*napi
,
1808 struct be_rx_compl_info
*rxcp
)
1810 struct be_adapter
*adapter
= rxo
->adapter
;
1811 struct be_rx_page_info
*page_info
;
1812 struct sk_buff
*skb
= NULL
;
1813 u16 remaining
, curr_frag_len
;
1816 skb
= napi_get_frags(napi
);
1818 be_rx_compl_discard(rxo
, rxcp
);
1822 remaining
= rxcp
->pkt_size
;
1823 for (i
= 0, j
= -1; i
< rxcp
->num_rcvd
; i
++) {
1824 page_info
= get_rx_page_info(rxo
);
1826 curr_frag_len
= min(remaining
, rx_frag_size
);
1828 /* Coalesce all frags from the same physical page in one slot */
1829 if (i
== 0 || page_info
->page_offset
== 0) {
1830 /* First frag or Fresh page */
1832 skb_frag_set_page(skb
, j
, page_info
->page
);
1833 skb_shinfo(skb
)->frags
[j
].page_offset
=
1834 page_info
->page_offset
;
1835 skb_frag_size_set(&skb_shinfo(skb
)->frags
[j
], 0);
1837 put_page(page_info
->page
);
1839 skb_frag_size_add(&skb_shinfo(skb
)->frags
[j
], curr_frag_len
);
1840 skb
->truesize
+= rx_frag_size
;
1841 remaining
-= curr_frag_len
;
1842 memset(page_info
, 0, sizeof(*page_info
));
1844 BUG_ON(j
> MAX_SKB_FRAGS
);
1846 skb_shinfo(skb
)->nr_frags
= j
+ 1;
1847 skb
->len
= rxcp
->pkt_size
;
1848 skb
->data_len
= rxcp
->pkt_size
;
1849 skb
->ip_summed
= CHECKSUM_UNNECESSARY
;
1850 skb_record_rx_queue(skb
, rxo
- &adapter
->rx_obj
[0]);
1851 if (adapter
->netdev
->features
& NETIF_F_RXHASH
)
1852 skb_set_hash(skb
, rxcp
->rss_hash
, PKT_HASH_TYPE_L3
);
1854 skb
->csum_level
= rxcp
->tunneled
;
1855 skb_mark_napi_id(skb
, napi
);
1858 __vlan_hwaccel_put_tag(skb
, htons(ETH_P_8021Q
), rxcp
->vlan_tag
);
1860 napi_gro_frags(napi
);
1863 static void be_parse_rx_compl_v1(struct be_eth_rx_compl
*compl,
1864 struct be_rx_compl_info
*rxcp
)
1866 rxcp
->pkt_size
= GET_RX_COMPL_V1_BITS(pktsize
, compl);
1867 rxcp
->vlanf
= GET_RX_COMPL_V1_BITS(vtp
, compl);
1868 rxcp
->err
= GET_RX_COMPL_V1_BITS(err
, compl);
1869 rxcp
->tcpf
= GET_RX_COMPL_V1_BITS(tcpf
, compl);
1870 rxcp
->udpf
= GET_RX_COMPL_V1_BITS(udpf
, compl);
1871 rxcp
->ip_csum
= GET_RX_COMPL_V1_BITS(ipcksm
, compl);
1872 rxcp
->l4_csum
= GET_RX_COMPL_V1_BITS(l4_cksm
, compl);
1873 rxcp
->ipv6
= GET_RX_COMPL_V1_BITS(ip_version
, compl);
1874 rxcp
->num_rcvd
= GET_RX_COMPL_V1_BITS(numfrags
, compl);
1875 rxcp
->pkt_type
= GET_RX_COMPL_V1_BITS(cast_enc
, compl);
1876 rxcp
->rss_hash
= GET_RX_COMPL_V1_BITS(rsshash
, compl);
1878 rxcp
->qnq
= GET_RX_COMPL_V1_BITS(qnq
, compl);
1879 rxcp
->vlan_tag
= GET_RX_COMPL_V1_BITS(vlan_tag
, compl);
1881 rxcp
->port
= GET_RX_COMPL_V1_BITS(port
, compl);
1883 GET_RX_COMPL_V1_BITS(tunneled
, compl);
1886 static void be_parse_rx_compl_v0(struct be_eth_rx_compl
*compl,
1887 struct be_rx_compl_info
*rxcp
)
1889 rxcp
->pkt_size
= GET_RX_COMPL_V0_BITS(pktsize
, compl);
1890 rxcp
->vlanf
= GET_RX_COMPL_V0_BITS(vtp
, compl);
1891 rxcp
->err
= GET_RX_COMPL_V0_BITS(err
, compl);
1892 rxcp
->tcpf
= GET_RX_COMPL_V0_BITS(tcpf
, compl);
1893 rxcp
->udpf
= GET_RX_COMPL_V0_BITS(udpf
, compl);
1894 rxcp
->ip_csum
= GET_RX_COMPL_V0_BITS(ipcksm
, compl);
1895 rxcp
->l4_csum
= GET_RX_COMPL_V0_BITS(l4_cksm
, compl);
1896 rxcp
->ipv6
= GET_RX_COMPL_V0_BITS(ip_version
, compl);
1897 rxcp
->num_rcvd
= GET_RX_COMPL_V0_BITS(numfrags
, compl);
1898 rxcp
->pkt_type
= GET_RX_COMPL_V0_BITS(cast_enc
, compl);
1899 rxcp
->rss_hash
= GET_RX_COMPL_V0_BITS(rsshash
, compl);
1901 rxcp
->qnq
= GET_RX_COMPL_V0_BITS(qnq
, compl);
1902 rxcp
->vlan_tag
= GET_RX_COMPL_V0_BITS(vlan_tag
, compl);
1904 rxcp
->port
= GET_RX_COMPL_V0_BITS(port
, compl);
1905 rxcp
->ip_frag
= GET_RX_COMPL_V0_BITS(ip_frag
, compl);
1908 static struct be_rx_compl_info
*be_rx_compl_get(struct be_rx_obj
*rxo
)
1910 struct be_eth_rx_compl
*compl = queue_tail_node(&rxo
->cq
);
1911 struct be_rx_compl_info
*rxcp
= &rxo
->rxcp
;
1912 struct be_adapter
*adapter
= rxo
->adapter
;
1914 /* For checking the valid bit it is Ok to use either definition as the
1915 * valid bit is at the same position in both v0 and v1 Rx compl */
1916 if (compl->dw
[offsetof(struct amap_eth_rx_compl_v1
, valid
) / 32] == 0)
1920 be_dws_le_to_cpu(compl, sizeof(*compl));
1922 if (adapter
->be3_native
)
1923 be_parse_rx_compl_v1(compl, rxcp
);
1925 be_parse_rx_compl_v0(compl, rxcp
);
1931 /* In QNQ modes, if qnq bit is not set, then the packet was
1932 * tagged only with the transparent outer vlan-tag and must
1933 * not be treated as a vlan packet by host
1935 if (be_is_qnq_mode(adapter
) && !rxcp
->qnq
)
1938 if (!lancer_chip(adapter
))
1939 rxcp
->vlan_tag
= swab16(rxcp
->vlan_tag
);
1941 if (adapter
->pvid
== (rxcp
->vlan_tag
& VLAN_VID_MASK
) &&
1942 !test_bit(rxcp
->vlan_tag
, adapter
->vids
))
1946 /* As the compl has been parsed, reset it; we wont touch it again */
1947 compl->dw
[offsetof(struct amap_eth_rx_compl_v1
, valid
) / 32] = 0;
1949 queue_tail_inc(&rxo
->cq
);
1953 static inline struct page
*be_alloc_pages(u32 size
, gfp_t gfp
)
1955 u32 order
= get_order(size
);
1959 return alloc_pages(gfp
, order
);
1963 * Allocate a page, split it to fragments of size rx_frag_size and post as
1964 * receive buffers to BE
1966 static void be_post_rx_frags(struct be_rx_obj
*rxo
, gfp_t gfp
, u32 frags_needed
)
1968 struct be_adapter
*adapter
= rxo
->adapter
;
1969 struct be_rx_page_info
*page_info
= NULL
, *prev_page_info
= NULL
;
1970 struct be_queue_info
*rxq
= &rxo
->q
;
1971 struct page
*pagep
= NULL
;
1972 struct device
*dev
= &adapter
->pdev
->dev
;
1973 struct be_eth_rx_d
*rxd
;
1974 u64 page_dmaaddr
= 0, frag_dmaaddr
;
1975 u32 posted
, page_offset
= 0, notify
= 0;
1977 page_info
= &rxo
->page_info_tbl
[rxq
->head
];
1978 for (posted
= 0; posted
< frags_needed
&& !page_info
->page
; posted
++) {
1980 pagep
= be_alloc_pages(adapter
->big_page_size
, gfp
);
1981 if (unlikely(!pagep
)) {
1982 rx_stats(rxo
)->rx_post_fail
++;
1985 page_dmaaddr
= dma_map_page(dev
, pagep
, 0,
1986 adapter
->big_page_size
,
1988 if (dma_mapping_error(dev
, page_dmaaddr
)) {
1991 adapter
->drv_stats
.dma_map_errors
++;
1997 page_offset
+= rx_frag_size
;
1999 page_info
->page_offset
= page_offset
;
2000 page_info
->page
= pagep
;
2002 rxd
= queue_head_node(rxq
);
2003 frag_dmaaddr
= page_dmaaddr
+ page_info
->page_offset
;
2004 rxd
->fragpa_lo
= cpu_to_le32(frag_dmaaddr
& 0xFFFFFFFF);
2005 rxd
->fragpa_hi
= cpu_to_le32(upper_32_bits(frag_dmaaddr
));
2007 /* Any space left in the current big page for another frag? */
2008 if ((page_offset
+ rx_frag_size
+ rx_frag_size
) >
2009 adapter
->big_page_size
) {
2011 page_info
->last_frag
= true;
2012 dma_unmap_addr_set(page_info
, bus
, page_dmaaddr
);
2014 dma_unmap_addr_set(page_info
, bus
, frag_dmaaddr
);
2017 prev_page_info
= page_info
;
2018 queue_head_inc(rxq
);
2019 page_info
= &rxo
->page_info_tbl
[rxq
->head
];
2022 /* Mark the last frag of a page when we break out of the above loop
2023 * with no more slots available in the RXQ
2026 prev_page_info
->last_frag
= true;
2027 dma_unmap_addr_set(prev_page_info
, bus
, page_dmaaddr
);
2031 atomic_add(posted
, &rxq
->used
);
2032 if (rxo
->rx_post_starved
)
2033 rxo
->rx_post_starved
= false;
2035 notify
= min(256u, posted
);
2036 be_rxq_notify(adapter
, rxq
->id
, notify
);
2039 } else if (atomic_read(&rxq
->used
) == 0) {
2040 /* Let be_worker replenish when memory is available */
2041 rxo
->rx_post_starved
= true;
2045 static struct be_eth_tx_compl
*be_tx_compl_get(struct be_queue_info
*tx_cq
)
2047 struct be_eth_tx_compl
*txcp
= queue_tail_node(tx_cq
);
2049 if (txcp
->dw
[offsetof(struct amap_eth_tx_compl
, valid
) / 32] == 0)
2053 be_dws_le_to_cpu(txcp
, sizeof(*txcp
));
2055 txcp
->dw
[offsetof(struct amap_eth_tx_compl
, valid
) / 32] = 0;
2057 queue_tail_inc(tx_cq
);
2061 static u16
be_tx_compl_process(struct be_adapter
*adapter
,
2062 struct be_tx_obj
*txo
, u16 last_index
)
2064 struct sk_buff
**sent_skbs
= txo
->sent_skb_list
;
2065 struct be_queue_info
*txq
= &txo
->q
;
2066 u16 frag_index
, num_wrbs
= 0;
2067 struct sk_buff
*skb
= NULL
;
2068 bool unmap_skb_hdr
= false;
2069 struct be_eth_wrb
*wrb
;
2072 if (sent_skbs
[txq
->tail
]) {
2073 /* Free skb from prev req */
2075 dev_consume_skb_any(skb
);
2076 skb
= sent_skbs
[txq
->tail
];
2077 sent_skbs
[txq
->tail
] = NULL
;
2078 queue_tail_inc(txq
); /* skip hdr wrb */
2080 unmap_skb_hdr
= true;
2082 wrb
= queue_tail_node(txq
);
2083 frag_index
= txq
->tail
;
2084 unmap_tx_frag(&adapter
->pdev
->dev
, wrb
,
2085 (unmap_skb_hdr
&& skb_headlen(skb
)));
2086 unmap_skb_hdr
= false;
2087 queue_tail_inc(txq
);
2089 } while (frag_index
!= last_index
);
2090 dev_consume_skb_any(skb
);
2095 /* Return the number of events in the event queue */
2096 static inline int events_get(struct be_eq_obj
*eqo
)
2098 struct be_eq_entry
*eqe
;
2102 eqe
= queue_tail_node(&eqo
->q
);
2109 queue_tail_inc(&eqo
->q
);
2115 /* Leaves the EQ is disarmed state */
2116 static void be_eq_clean(struct be_eq_obj
*eqo
)
2118 int num
= events_get(eqo
);
2120 be_eq_notify(eqo
->adapter
, eqo
->q
.id
, false, true, num
);
2123 static void be_rx_cq_clean(struct be_rx_obj
*rxo
)
2125 struct be_rx_page_info
*page_info
;
2126 struct be_queue_info
*rxq
= &rxo
->q
;
2127 struct be_queue_info
*rx_cq
= &rxo
->cq
;
2128 struct be_rx_compl_info
*rxcp
;
2129 struct be_adapter
*adapter
= rxo
->adapter
;
2132 /* Consume pending rx completions.
2133 * Wait for the flush completion (identified by zero num_rcvd)
2134 * to arrive. Notify CQ even when there are no more CQ entries
2135 * for HW to flush partially coalesced CQ entries.
2136 * In Lancer, there is no need to wait for flush compl.
2139 rxcp
= be_rx_compl_get(rxo
);
2141 if (lancer_chip(adapter
))
2144 if (flush_wait
++ > 10 || be_hw_error(adapter
)) {
2145 dev_warn(&adapter
->pdev
->dev
,
2146 "did not receive flush compl\n");
2149 be_cq_notify(adapter
, rx_cq
->id
, true, 0);
2152 be_rx_compl_discard(rxo
, rxcp
);
2153 be_cq_notify(adapter
, rx_cq
->id
, false, 1);
2154 if (rxcp
->num_rcvd
== 0)
2159 /* After cleanup, leave the CQ in unarmed state */
2160 be_cq_notify(adapter
, rx_cq
->id
, false, 0);
2162 /* Then free posted rx buffers that were not used */
2163 while (atomic_read(&rxq
->used
) > 0) {
2164 page_info
= get_rx_page_info(rxo
);
2165 put_page(page_info
->page
);
2166 memset(page_info
, 0, sizeof(*page_info
));
2168 BUG_ON(atomic_read(&rxq
->used
));
2173 static void be_tx_compl_clean(struct be_adapter
*adapter
)
2175 u16 end_idx
, notified_idx
, cmpl
= 0, timeo
= 0, num_wrbs
= 0;
2176 struct device
*dev
= &adapter
->pdev
->dev
;
2177 struct be_tx_obj
*txo
;
2178 struct be_queue_info
*txq
;
2179 struct be_eth_tx_compl
*txcp
;
2180 int i
, pending_txqs
;
2182 /* Stop polling for compls when HW has been silent for 10ms */
2184 pending_txqs
= adapter
->num_tx_qs
;
2186 for_all_tx_queues(adapter
, txo
, i
) {
2190 while ((txcp
= be_tx_compl_get(&txo
->cq
))) {
2191 end_idx
= GET_TX_COMPL_BITS(wrb_index
, txcp
);
2192 num_wrbs
+= be_tx_compl_process(adapter
, txo
,
2197 be_cq_notify(adapter
, txo
->cq
.id
, false, cmpl
);
2198 atomic_sub(num_wrbs
, &txq
->used
);
2201 if (atomic_read(&txq
->used
) == txo
->pend_wrb_cnt
)
2205 if (pending_txqs
== 0 || ++timeo
> 10 || be_hw_error(adapter
))
2211 /* Free enqueued TX that was never notified to HW */
2212 for_all_tx_queues(adapter
, txo
, i
) {
2215 if (atomic_read(&txq
->used
)) {
2216 dev_info(dev
, "txq%d: cleaning %d pending tx-wrbs\n",
2217 i
, atomic_read(&txq
->used
));
2218 notified_idx
= txq
->tail
;
2219 end_idx
= txq
->tail
;
2220 index_adv(&end_idx
, atomic_read(&txq
->used
) - 1,
2222 /* Use the tx-compl process logic to handle requests
2223 * that were not sent to the HW.
2225 num_wrbs
= be_tx_compl_process(adapter
, txo
, end_idx
);
2226 atomic_sub(num_wrbs
, &txq
->used
);
2227 BUG_ON(atomic_read(&txq
->used
));
2228 txo
->pend_wrb_cnt
= 0;
2229 /* Since hw was never notified of these requests,
2232 txq
->head
= notified_idx
;
2233 txq
->tail
= notified_idx
;
2238 static void be_evt_queues_destroy(struct be_adapter
*adapter
)
2240 struct be_eq_obj
*eqo
;
2243 for_all_evt_queues(adapter
, eqo
, i
) {
2244 if (eqo
->q
.created
) {
2246 be_cmd_q_destroy(adapter
, &eqo
->q
, QTYPE_EQ
);
2247 napi_hash_del(&eqo
->napi
);
2248 netif_napi_del(&eqo
->napi
);
2250 be_queue_free(adapter
, &eqo
->q
);
2254 static int be_evt_queues_create(struct be_adapter
*adapter
)
2256 struct be_queue_info
*eq
;
2257 struct be_eq_obj
*eqo
;
2258 struct be_aic_obj
*aic
;
2261 adapter
->num_evt_qs
= min_t(u16
, num_irqs(adapter
),
2262 adapter
->cfg_num_qs
);
2264 for_all_evt_queues(adapter
, eqo
, i
) {
2265 netif_napi_add(adapter
->netdev
, &eqo
->napi
, be_poll
,
2267 napi_hash_add(&eqo
->napi
);
2268 aic
= &adapter
->aic_obj
[i
];
2269 eqo
->adapter
= adapter
;
2271 aic
->max_eqd
= BE_MAX_EQD
;
2275 rc
= be_queue_alloc(adapter
, eq
, EVNT_Q_LEN
,
2276 sizeof(struct be_eq_entry
));
2280 rc
= be_cmd_eq_create(adapter
, eqo
);
2287 static void be_mcc_queues_destroy(struct be_adapter
*adapter
)
2289 struct be_queue_info
*q
;
2291 q
= &adapter
->mcc_obj
.q
;
2293 be_cmd_q_destroy(adapter
, q
, QTYPE_MCCQ
);
2294 be_queue_free(adapter
, q
);
2296 q
= &adapter
->mcc_obj
.cq
;
2298 be_cmd_q_destroy(adapter
, q
, QTYPE_CQ
);
2299 be_queue_free(adapter
, q
);
2302 /* Must be called only after TX qs are created as MCC shares TX EQ */
2303 static int be_mcc_queues_create(struct be_adapter
*adapter
)
2305 struct be_queue_info
*q
, *cq
;
2307 cq
= &adapter
->mcc_obj
.cq
;
2308 if (be_queue_alloc(adapter
, cq
, MCC_CQ_LEN
,
2309 sizeof(struct be_mcc_compl
)))
2312 /* Use the default EQ for MCC completions */
2313 if (be_cmd_cq_create(adapter
, cq
, &mcc_eqo(adapter
)->q
, true, 0))
2316 q
= &adapter
->mcc_obj
.q
;
2317 if (be_queue_alloc(adapter
, q
, MCC_Q_LEN
, sizeof(struct be_mcc_wrb
)))
2318 goto mcc_cq_destroy
;
2320 if (be_cmd_mccq_create(adapter
, q
, cq
))
2326 be_queue_free(adapter
, q
);
2328 be_cmd_q_destroy(adapter
, cq
, QTYPE_CQ
);
2330 be_queue_free(adapter
, cq
);
2335 static void be_tx_queues_destroy(struct be_adapter
*adapter
)
2337 struct be_queue_info
*q
;
2338 struct be_tx_obj
*txo
;
2341 for_all_tx_queues(adapter
, txo
, i
) {
2344 be_cmd_q_destroy(adapter
, q
, QTYPE_TXQ
);
2345 be_queue_free(adapter
, q
);
2349 be_cmd_q_destroy(adapter
, q
, QTYPE_CQ
);
2350 be_queue_free(adapter
, q
);
2354 static int be_tx_qs_create(struct be_adapter
*adapter
)
2356 struct be_queue_info
*cq
, *eq
;
2357 struct be_tx_obj
*txo
;
2360 adapter
->num_tx_qs
= min(adapter
->num_evt_qs
, be_max_txqs(adapter
));
2362 for_all_tx_queues(adapter
, txo
, i
) {
2364 status
= be_queue_alloc(adapter
, cq
, TX_CQ_LEN
,
2365 sizeof(struct be_eth_tx_compl
));
2369 u64_stats_init(&txo
->stats
.sync
);
2370 u64_stats_init(&txo
->stats
.sync_compl
);
2372 /* If num_evt_qs is less than num_tx_qs, then more than
2373 * one txq share an eq
2375 eq
= &adapter
->eq_obj
[i
% adapter
->num_evt_qs
].q
;
2376 status
= be_cmd_cq_create(adapter
, cq
, eq
, false, 3);
2380 status
= be_queue_alloc(adapter
, &txo
->q
, TX_Q_LEN
,
2381 sizeof(struct be_eth_wrb
));
2385 status
= be_cmd_txq_create(adapter
, txo
);
2390 dev_info(&adapter
->pdev
->dev
, "created %d TX queue(s)\n",
2391 adapter
->num_tx_qs
);
2395 static void be_rx_cqs_destroy(struct be_adapter
*adapter
)
2397 struct be_queue_info
*q
;
2398 struct be_rx_obj
*rxo
;
2401 for_all_rx_queues(adapter
, rxo
, i
) {
2404 be_cmd_q_destroy(adapter
, q
, QTYPE_CQ
);
2405 be_queue_free(adapter
, q
);
2409 static int be_rx_cqs_create(struct be_adapter
*adapter
)
2411 struct be_queue_info
*eq
, *cq
;
2412 struct be_rx_obj
*rxo
;
2415 /* We can create as many RSS rings as there are EQs. */
2416 adapter
->num_rx_qs
= adapter
->num_evt_qs
;
2418 /* We'll use RSS only if atleast 2 RSS rings are supported.
2419 * When RSS is used, we'll need a default RXQ for non-IP traffic.
2421 if (adapter
->num_rx_qs
> 1)
2422 adapter
->num_rx_qs
++;
2424 adapter
->big_page_size
= (1 << get_order(rx_frag_size
)) * PAGE_SIZE
;
2425 for_all_rx_queues(adapter
, rxo
, i
) {
2426 rxo
->adapter
= adapter
;
2428 rc
= be_queue_alloc(adapter
, cq
, RX_CQ_LEN
,
2429 sizeof(struct be_eth_rx_compl
));
2433 u64_stats_init(&rxo
->stats
.sync
);
2434 eq
= &adapter
->eq_obj
[i
% adapter
->num_evt_qs
].q
;
2435 rc
= be_cmd_cq_create(adapter
, cq
, eq
, false, 3);
2440 dev_info(&adapter
->pdev
->dev
,
2441 "created %d RSS queue(s) and 1 default RX queue\n",
2442 adapter
->num_rx_qs
- 1);
2446 static irqreturn_t
be_intx(int irq
, void *dev
)
2448 struct be_eq_obj
*eqo
= dev
;
2449 struct be_adapter
*adapter
= eqo
->adapter
;
2452 /* IRQ is not expected when NAPI is scheduled as the EQ
2453 * will not be armed.
2454 * But, this can happen on Lancer INTx where it takes
2455 * a while to de-assert INTx or in BE2 where occasionaly
2456 * an interrupt may be raised even when EQ is unarmed.
2457 * If NAPI is already scheduled, then counting & notifying
2458 * events will orphan them.
2460 if (napi_schedule_prep(&eqo
->napi
)) {
2461 num_evts
= events_get(eqo
);
2462 __napi_schedule(&eqo
->napi
);
2464 eqo
->spurious_intr
= 0;
2466 be_eq_notify(adapter
, eqo
->q
.id
, false, true, num_evts
);
2468 /* Return IRQ_HANDLED only for the the first spurious intr
2469 * after a valid intr to stop the kernel from branding
2470 * this irq as a bad one!
2472 if (num_evts
|| eqo
->spurious_intr
++ == 0)
2478 static irqreturn_t
be_msix(int irq
, void *dev
)
2480 struct be_eq_obj
*eqo
= dev
;
2482 be_eq_notify(eqo
->adapter
, eqo
->q
.id
, false, true, 0);
2483 napi_schedule(&eqo
->napi
);
2487 static inline bool do_gro(struct be_rx_compl_info
*rxcp
)
2489 return (rxcp
->tcpf
&& !rxcp
->err
&& rxcp
->l4_csum
) ? true : false;
2492 static int be_process_rx(struct be_rx_obj
*rxo
, struct napi_struct
*napi
,
2493 int budget
, int polling
)
2495 struct be_adapter
*adapter
= rxo
->adapter
;
2496 struct be_queue_info
*rx_cq
= &rxo
->cq
;
2497 struct be_rx_compl_info
*rxcp
;
2499 u32 frags_consumed
= 0;
2501 for (work_done
= 0; work_done
< budget
; work_done
++) {
2502 rxcp
= be_rx_compl_get(rxo
);
2506 /* Is it a flush compl that has no data */
2507 if (unlikely(rxcp
->num_rcvd
== 0))
2510 /* Discard compl with partial DMA Lancer B0 */
2511 if (unlikely(!rxcp
->pkt_size
)) {
2512 be_rx_compl_discard(rxo
, rxcp
);
2516 /* On BE drop pkts that arrive due to imperfect filtering in
2517 * promiscuous mode on some skews
2519 if (unlikely(rxcp
->port
!= adapter
->port_num
&&
2520 !lancer_chip(adapter
))) {
2521 be_rx_compl_discard(rxo
, rxcp
);
2525 /* Don't do gro when we're busy_polling */
2526 if (do_gro(rxcp
) && polling
!= BUSY_POLLING
)
2527 be_rx_compl_process_gro(rxo
, napi
, rxcp
);
2529 be_rx_compl_process(rxo
, napi
, rxcp
);
2532 frags_consumed
+= rxcp
->num_rcvd
;
2533 be_rx_stats_update(rxo
, rxcp
);
2537 be_cq_notify(adapter
, rx_cq
->id
, true, work_done
);
2539 /* When an rx-obj gets into post_starved state, just
2540 * let be_worker do the posting.
2542 if (atomic_read(&rxo
->q
.used
) < RX_FRAGS_REFILL_WM
&&
2543 !rxo
->rx_post_starved
)
2544 be_post_rx_frags(rxo
, GFP_ATOMIC
,
2545 max_t(u32
, MAX_RX_POST
,
2552 static inline void be_update_tx_err(struct be_tx_obj
*txo
, u32 status
)
2555 case BE_TX_COMP_HDR_PARSE_ERR
:
2556 tx_stats(txo
)->tx_hdr_parse_err
++;
2558 case BE_TX_COMP_NDMA_ERR
:
2559 tx_stats(txo
)->tx_dma_err
++;
2561 case BE_TX_COMP_ACL_ERR
:
2562 tx_stats(txo
)->tx_spoof_check_err
++;
2567 static inline void lancer_update_tx_err(struct be_tx_obj
*txo
, u32 status
)
2570 case LANCER_TX_COMP_LSO_ERR
:
2571 tx_stats(txo
)->tx_tso_err
++;
2573 case LANCER_TX_COMP_HSW_DROP_MAC_ERR
:
2574 case LANCER_TX_COMP_HSW_DROP_VLAN_ERR
:
2575 tx_stats(txo
)->tx_spoof_check_err
++;
2577 case LANCER_TX_COMP_QINQ_ERR
:
2578 tx_stats(txo
)->tx_qinq_err
++;
2580 case LANCER_TX_COMP_PARITY_ERR
:
2581 tx_stats(txo
)->tx_internal_parity_err
++;
2583 case LANCER_TX_COMP_DMA_ERR
:
2584 tx_stats(txo
)->tx_dma_err
++;
2589 static void be_process_tx(struct be_adapter
*adapter
, struct be_tx_obj
*txo
,
2592 struct be_eth_tx_compl
*txcp
;
2593 int num_wrbs
= 0, work_done
= 0;
2597 while ((txcp
= be_tx_compl_get(&txo
->cq
))) {
2598 last_idx
= GET_TX_COMPL_BITS(wrb_index
, txcp
);
2599 num_wrbs
+= be_tx_compl_process(adapter
, txo
, last_idx
);
2602 compl_status
= GET_TX_COMPL_BITS(status
, txcp
);
2604 if (lancer_chip(adapter
))
2605 lancer_update_tx_err(txo
, compl_status
);
2607 be_update_tx_err(txo
, compl_status
);
2612 be_cq_notify(adapter
, txo
->cq
.id
, true, work_done
);
2613 atomic_sub(num_wrbs
, &txo
->q
.used
);
2615 /* As Tx wrbs have been freed up, wake up netdev queue
2616 * if it was stopped due to lack of tx wrbs. */
2617 if (__netif_subqueue_stopped(adapter
->netdev
, idx
) &&
2618 atomic_read(&txo
->q
.used
) < txo
->q
.len
/ 2) {
2619 netif_wake_subqueue(adapter
->netdev
, idx
);
2622 u64_stats_update_begin(&tx_stats(txo
)->sync_compl
);
2623 tx_stats(txo
)->tx_compl
+= work_done
;
2624 u64_stats_update_end(&tx_stats(txo
)->sync_compl
);
2628 #ifdef CONFIG_NET_RX_BUSY_POLL
2629 static inline bool be_lock_napi(struct be_eq_obj
*eqo
)
2633 spin_lock(&eqo
->lock
); /* BH is already disabled */
2634 if (eqo
->state
& BE_EQ_LOCKED
) {
2635 WARN_ON(eqo
->state
& BE_EQ_NAPI
);
2636 eqo
->state
|= BE_EQ_NAPI_YIELD
;
2639 eqo
->state
= BE_EQ_NAPI
;
2641 spin_unlock(&eqo
->lock
);
2645 static inline void be_unlock_napi(struct be_eq_obj
*eqo
)
2647 spin_lock(&eqo
->lock
); /* BH is already disabled */
2649 WARN_ON(eqo
->state
& (BE_EQ_POLL
| BE_EQ_NAPI_YIELD
));
2650 eqo
->state
= BE_EQ_IDLE
;
2652 spin_unlock(&eqo
->lock
);
2655 static inline bool be_lock_busy_poll(struct be_eq_obj
*eqo
)
2659 spin_lock_bh(&eqo
->lock
);
2660 if (eqo
->state
& BE_EQ_LOCKED
) {
2661 eqo
->state
|= BE_EQ_POLL_YIELD
;
2664 eqo
->state
|= BE_EQ_POLL
;
2666 spin_unlock_bh(&eqo
->lock
);
2670 static inline void be_unlock_busy_poll(struct be_eq_obj
*eqo
)
2672 spin_lock_bh(&eqo
->lock
);
2674 WARN_ON(eqo
->state
& (BE_EQ_NAPI
));
2675 eqo
->state
= BE_EQ_IDLE
;
2677 spin_unlock_bh(&eqo
->lock
);
2680 static inline void be_enable_busy_poll(struct be_eq_obj
*eqo
)
2682 spin_lock_init(&eqo
->lock
);
2683 eqo
->state
= BE_EQ_IDLE
;
2686 static inline void be_disable_busy_poll(struct be_eq_obj
*eqo
)
2690 /* It's enough to just acquire napi lock on the eqo to stop
2691 * be_busy_poll() from processing any queueus.
2693 while (!be_lock_napi(eqo
))
2699 #else /* CONFIG_NET_RX_BUSY_POLL */
2701 static inline bool be_lock_napi(struct be_eq_obj
*eqo
)
2706 static inline void be_unlock_napi(struct be_eq_obj
*eqo
)
2710 static inline bool be_lock_busy_poll(struct be_eq_obj
*eqo
)
2715 static inline void be_unlock_busy_poll(struct be_eq_obj
*eqo
)
2719 static inline void be_enable_busy_poll(struct be_eq_obj
*eqo
)
2723 static inline void be_disable_busy_poll(struct be_eq_obj
*eqo
)
2726 #endif /* CONFIG_NET_RX_BUSY_POLL */
2728 int be_poll(struct napi_struct
*napi
, int budget
)
2730 struct be_eq_obj
*eqo
= container_of(napi
, struct be_eq_obj
, napi
);
2731 struct be_adapter
*adapter
= eqo
->adapter
;
2732 int max_work
= 0, work
, i
, num_evts
;
2733 struct be_rx_obj
*rxo
;
2734 struct be_tx_obj
*txo
;
2736 num_evts
= events_get(eqo
);
2738 for_all_tx_queues_on_eq(adapter
, eqo
, txo
, i
)
2739 be_process_tx(adapter
, txo
, i
);
2741 if (be_lock_napi(eqo
)) {
2742 /* This loop will iterate twice for EQ0 in which
2743 * completions of the last RXQ (default one) are also processed
2744 * For other EQs the loop iterates only once
2746 for_all_rx_queues_on_eq(adapter
, eqo
, rxo
, i
) {
2747 work
= be_process_rx(rxo
, napi
, budget
, NAPI_POLLING
);
2748 max_work
= max(work
, max_work
);
2750 be_unlock_napi(eqo
);
2755 if (is_mcc_eqo(eqo
))
2756 be_process_mcc(adapter
);
2758 if (max_work
< budget
) {
2759 napi_complete(napi
);
2760 be_eq_notify(adapter
, eqo
->q
.id
, true, false, num_evts
);
2762 /* As we'll continue in polling mode, count and clear events */
2763 be_eq_notify(adapter
, eqo
->q
.id
, false, false, num_evts
);
2768 #ifdef CONFIG_NET_RX_BUSY_POLL
2769 static int be_busy_poll(struct napi_struct
*napi
)
2771 struct be_eq_obj
*eqo
= container_of(napi
, struct be_eq_obj
, napi
);
2772 struct be_adapter
*adapter
= eqo
->adapter
;
2773 struct be_rx_obj
*rxo
;
2776 if (!be_lock_busy_poll(eqo
))
2777 return LL_FLUSH_BUSY
;
2779 for_all_rx_queues_on_eq(adapter
, eqo
, rxo
, i
) {
2780 work
= be_process_rx(rxo
, napi
, 4, BUSY_POLLING
);
2785 be_unlock_busy_poll(eqo
);
2790 void be_detect_error(struct be_adapter
*adapter
)
2792 u32 ue_lo
= 0, ue_hi
= 0, ue_lo_mask
= 0, ue_hi_mask
= 0;
2793 u32 sliport_status
= 0, sliport_err1
= 0, sliport_err2
= 0;
2795 bool error_detected
= false;
2796 struct device
*dev
= &adapter
->pdev
->dev
;
2797 struct net_device
*netdev
= adapter
->netdev
;
2799 if (be_hw_error(adapter
))
2802 if (lancer_chip(adapter
)) {
2803 sliport_status
= ioread32(adapter
->db
+ SLIPORT_STATUS_OFFSET
);
2804 if (sliport_status
& SLIPORT_STATUS_ERR_MASK
) {
2805 sliport_err1
= ioread32(adapter
->db
+
2806 SLIPORT_ERROR1_OFFSET
);
2807 sliport_err2
= ioread32(adapter
->db
+
2808 SLIPORT_ERROR2_OFFSET
);
2809 adapter
->hw_error
= true;
2810 /* Do not log error messages if its a FW reset */
2811 if (sliport_err1
== SLIPORT_ERROR_FW_RESET1
&&
2812 sliport_err2
== SLIPORT_ERROR_FW_RESET2
) {
2813 dev_info(dev
, "Firmware update in progress\n");
2815 error_detected
= true;
2816 dev_err(dev
, "Error detected in the card\n");
2817 dev_err(dev
, "ERR: sliport status 0x%x\n",
2819 dev_err(dev
, "ERR: sliport error1 0x%x\n",
2821 dev_err(dev
, "ERR: sliport error2 0x%x\n",
2826 ue_lo
= ioread32(adapter
->pcicfg
+ PCICFG_UE_STATUS_LOW
);
2827 ue_hi
= ioread32(adapter
->pcicfg
+ PCICFG_UE_STATUS_HIGH
);
2828 ue_lo_mask
= ioread32(adapter
->pcicfg
+
2829 PCICFG_UE_STATUS_LOW_MASK
);
2830 ue_hi_mask
= ioread32(adapter
->pcicfg
+
2831 PCICFG_UE_STATUS_HI_MASK
);
2833 ue_lo
= (ue_lo
& ~ue_lo_mask
);
2834 ue_hi
= (ue_hi
& ~ue_hi_mask
);
2836 /* On certain platforms BE hardware can indicate spurious UEs.
2837 * Allow HW to stop working completely in case of a real UE.
2838 * Hence not setting the hw_error for UE detection.
2841 if (ue_lo
|| ue_hi
) {
2842 error_detected
= true;
2844 "Unrecoverable Error detected in the adapter");
2845 dev_err(dev
, "Please reboot server to recover");
2846 if (skyhawk_chip(adapter
))
2847 adapter
->hw_error
= true;
2848 for (i
= 0; ue_lo
; ue_lo
>>= 1, i
++) {
2850 dev_err(dev
, "UE: %s bit set\n",
2851 ue_status_low_desc
[i
]);
2853 for (i
= 0; ue_hi
; ue_hi
>>= 1, i
++) {
2855 dev_err(dev
, "UE: %s bit set\n",
2856 ue_status_hi_desc
[i
]);
2861 netif_carrier_off(netdev
);
2864 static void be_msix_disable(struct be_adapter
*adapter
)
2866 if (msix_enabled(adapter
)) {
2867 pci_disable_msix(adapter
->pdev
);
2868 adapter
->num_msix_vec
= 0;
2869 adapter
->num_msix_roce_vec
= 0;
2873 static int be_msix_enable(struct be_adapter
*adapter
)
2876 struct device
*dev
= &adapter
->pdev
->dev
;
2878 /* If RoCE is supported, program the max number of NIC vectors that
2879 * may be configured via set-channels, along with vectors needed for
2880 * RoCe. Else, just program the number we'll use initially.
2882 if (be_roce_supported(adapter
))
2883 num_vec
= min_t(int, 2 * be_max_eqs(adapter
),
2884 2 * num_online_cpus());
2886 num_vec
= adapter
->cfg_num_qs
;
2888 for (i
= 0; i
< num_vec
; i
++)
2889 adapter
->msix_entries
[i
].entry
= i
;
2891 num_vec
= pci_enable_msix_range(adapter
->pdev
, adapter
->msix_entries
,
2892 MIN_MSIX_VECTORS
, num_vec
);
2896 if (be_roce_supported(adapter
) && num_vec
> MIN_MSIX_VECTORS
) {
2897 adapter
->num_msix_roce_vec
= num_vec
/ 2;
2898 dev_info(dev
, "enabled %d MSI-x vector(s) for RoCE\n",
2899 adapter
->num_msix_roce_vec
);
2902 adapter
->num_msix_vec
= num_vec
- adapter
->num_msix_roce_vec
;
2904 dev_info(dev
, "enabled %d MSI-x vector(s) for NIC\n",
2905 adapter
->num_msix_vec
);
2909 dev_warn(dev
, "MSIx enable failed\n");
2911 /* INTx is not supported in VFs, so fail probe if enable_msix fails */
2912 if (!be_physfn(adapter
))
2917 static inline int be_msix_vec_get(struct be_adapter
*adapter
,
2918 struct be_eq_obj
*eqo
)
2920 return adapter
->msix_entries
[eqo
->msix_idx
].vector
;
2923 static int be_msix_register(struct be_adapter
*adapter
)
2925 struct net_device
*netdev
= adapter
->netdev
;
2926 struct be_eq_obj
*eqo
;
2929 for_all_evt_queues(adapter
, eqo
, i
) {
2930 sprintf(eqo
->desc
, "%s-q%d", netdev
->name
, i
);
2931 vec
= be_msix_vec_get(adapter
, eqo
);
2932 status
= request_irq(vec
, be_msix
, 0, eqo
->desc
, eqo
);
2939 for (i
--, eqo
= &adapter
->eq_obj
[i
]; i
>= 0; i
--, eqo
--)
2940 free_irq(be_msix_vec_get(adapter
, eqo
), eqo
);
2941 dev_warn(&adapter
->pdev
->dev
, "MSIX Request IRQ failed - err %d\n",
2943 be_msix_disable(adapter
);
2947 static int be_irq_register(struct be_adapter
*adapter
)
2949 struct net_device
*netdev
= adapter
->netdev
;
2952 if (msix_enabled(adapter
)) {
2953 status
= be_msix_register(adapter
);
2956 /* INTx is not supported for VF */
2957 if (!be_physfn(adapter
))
2961 /* INTx: only the first EQ is used */
2962 netdev
->irq
= adapter
->pdev
->irq
;
2963 status
= request_irq(netdev
->irq
, be_intx
, IRQF_SHARED
, netdev
->name
,
2964 &adapter
->eq_obj
[0]);
2966 dev_err(&adapter
->pdev
->dev
,
2967 "INTx request IRQ failed - err %d\n", status
);
2971 adapter
->isr_registered
= true;
2975 static void be_irq_unregister(struct be_adapter
*adapter
)
2977 struct net_device
*netdev
= adapter
->netdev
;
2978 struct be_eq_obj
*eqo
;
2981 if (!adapter
->isr_registered
)
2985 if (!msix_enabled(adapter
)) {
2986 free_irq(netdev
->irq
, &adapter
->eq_obj
[0]);
2991 for_all_evt_queues(adapter
, eqo
, i
)
2992 free_irq(be_msix_vec_get(adapter
, eqo
), eqo
);
2995 adapter
->isr_registered
= false;
2998 static void be_rx_qs_destroy(struct be_adapter
*adapter
)
3000 struct be_queue_info
*q
;
3001 struct be_rx_obj
*rxo
;
3004 for_all_rx_queues(adapter
, rxo
, i
) {
3007 be_cmd_rxq_destroy(adapter
, q
);
3008 be_rx_cq_clean(rxo
);
3010 be_queue_free(adapter
, q
);
3014 static int be_close(struct net_device
*netdev
)
3016 struct be_adapter
*adapter
= netdev_priv(netdev
);
3017 struct be_eq_obj
*eqo
;
3020 /* This protection is needed as be_close() may be called even when the
3021 * adapter is in cleared state (after eeh perm failure)
3023 if (!(adapter
->flags
& BE_FLAGS_SETUP_DONE
))
3026 be_roce_dev_close(adapter
);
3028 if (adapter
->flags
& BE_FLAGS_NAPI_ENABLED
) {
3029 for_all_evt_queues(adapter
, eqo
, i
) {
3030 napi_disable(&eqo
->napi
);
3031 be_disable_busy_poll(eqo
);
3033 adapter
->flags
&= ~BE_FLAGS_NAPI_ENABLED
;
3036 be_async_mcc_disable(adapter
);
3038 /* Wait for all pending tx completions to arrive so that
3039 * all tx skbs are freed.
3041 netif_tx_disable(netdev
);
3042 be_tx_compl_clean(adapter
);
3044 be_rx_qs_destroy(adapter
);
3045 be_clear_uc_list(adapter
);
3047 for_all_evt_queues(adapter
, eqo
, i
) {
3048 if (msix_enabled(adapter
))
3049 synchronize_irq(be_msix_vec_get(adapter
, eqo
));
3051 synchronize_irq(netdev
->irq
);
3055 be_irq_unregister(adapter
);
3060 static int be_rx_qs_create(struct be_adapter
*adapter
)
3062 struct rss_info
*rss
= &adapter
->rss_info
;
3063 u8 rss_key
[RSS_HASH_KEY_LEN
];
3064 struct be_rx_obj
*rxo
;
3067 for_all_rx_queues(adapter
, rxo
, i
) {
3068 rc
= be_queue_alloc(adapter
, &rxo
->q
, RX_Q_LEN
,
3069 sizeof(struct be_eth_rx_d
));
3074 /* The FW would like the default RXQ to be created first */
3075 rxo
= default_rxo(adapter
);
3076 rc
= be_cmd_rxq_create(adapter
, &rxo
->q
, rxo
->cq
.id
, rx_frag_size
,
3077 adapter
->if_handle
, false, &rxo
->rss_id
);
3081 for_all_rss_queues(adapter
, rxo
, i
) {
3082 rc
= be_cmd_rxq_create(adapter
, &rxo
->q
, rxo
->cq
.id
,
3083 rx_frag_size
, adapter
->if_handle
,
3084 true, &rxo
->rss_id
);
3089 if (be_multi_rxq(adapter
)) {
3090 for (j
= 0; j
< RSS_INDIR_TABLE_LEN
;
3091 j
+= adapter
->num_rx_qs
- 1) {
3092 for_all_rss_queues(adapter
, rxo
, i
) {
3093 if ((j
+ i
) >= RSS_INDIR_TABLE_LEN
)
3095 rss
->rsstable
[j
+ i
] = rxo
->rss_id
;
3096 rss
->rss_queue
[j
+ i
] = i
;
3099 rss
->rss_flags
= RSS_ENABLE_TCP_IPV4
| RSS_ENABLE_IPV4
|
3100 RSS_ENABLE_TCP_IPV6
| RSS_ENABLE_IPV6
;
3102 if (!BEx_chip(adapter
))
3103 rss
->rss_flags
|= RSS_ENABLE_UDP_IPV4
|
3104 RSS_ENABLE_UDP_IPV6
;
3106 /* Disable RSS, if only default RX Q is created */
3107 rss
->rss_flags
= RSS_ENABLE_NONE
;
3110 netdev_rss_key_fill(rss_key
, RSS_HASH_KEY_LEN
);
3111 rc
= be_cmd_rss_config(adapter
, rss
->rsstable
, rss
->rss_flags
,
3114 rss
->rss_flags
= RSS_ENABLE_NONE
;
3118 memcpy(rss
->rss_hkey
, rss_key
, RSS_HASH_KEY_LEN
);
3120 /* First time posting */
3121 for_all_rx_queues(adapter
, rxo
, i
)
3122 be_post_rx_frags(rxo
, GFP_KERNEL
, MAX_RX_POST
);
3126 static int be_open(struct net_device
*netdev
)
3128 struct be_adapter
*adapter
= netdev_priv(netdev
);
3129 struct be_eq_obj
*eqo
;
3130 struct be_rx_obj
*rxo
;
3131 struct be_tx_obj
*txo
;
3135 status
= be_rx_qs_create(adapter
);
3139 status
= be_irq_register(adapter
);
3143 for_all_rx_queues(adapter
, rxo
, i
)
3144 be_cq_notify(adapter
, rxo
->cq
.id
, true, 0);
3146 for_all_tx_queues(adapter
, txo
, i
)
3147 be_cq_notify(adapter
, txo
->cq
.id
, true, 0);
3149 be_async_mcc_enable(adapter
);
3151 for_all_evt_queues(adapter
, eqo
, i
) {
3152 napi_enable(&eqo
->napi
);
3153 be_enable_busy_poll(eqo
);
3154 be_eq_notify(adapter
, eqo
->q
.id
, true, true, 0);
3156 adapter
->flags
|= BE_FLAGS_NAPI_ENABLED
;
3158 status
= be_cmd_link_status_query(adapter
, NULL
, &link_status
, 0);
3160 be_link_status_update(adapter
, link_status
);
3162 netif_tx_start_all_queues(netdev
);
3163 be_roce_dev_open(adapter
);
3165 #ifdef CONFIG_BE2NET_VXLAN
3166 if (skyhawk_chip(adapter
))
3167 vxlan_get_rx_port(netdev
);
3172 be_close(adapter
->netdev
);
3176 static int be_setup_wol(struct be_adapter
*adapter
, bool enable
)
3178 struct be_dma_mem cmd
;
3182 memset(mac
, 0, ETH_ALEN
);
3184 cmd
.size
= sizeof(struct be_cmd_req_acpi_wol_magic_config
);
3185 cmd
.va
= dma_zalloc_coherent(&adapter
->pdev
->dev
, cmd
.size
, &cmd
.dma
,
3191 status
= pci_write_config_dword(adapter
->pdev
,
3192 PCICFG_PM_CONTROL_OFFSET
,
3193 PCICFG_PM_CONTROL_MASK
);
3195 dev_err(&adapter
->pdev
->dev
,
3196 "Could not enable Wake-on-lan\n");
3197 dma_free_coherent(&adapter
->pdev
->dev
, cmd
.size
, cmd
.va
,
3201 status
= be_cmd_enable_magic_wol(adapter
,
3202 adapter
->netdev
->dev_addr
,
3204 pci_enable_wake(adapter
->pdev
, PCI_D3hot
, 1);
3205 pci_enable_wake(adapter
->pdev
, PCI_D3cold
, 1);
3207 status
= be_cmd_enable_magic_wol(adapter
, mac
, &cmd
);
3208 pci_enable_wake(adapter
->pdev
, PCI_D3hot
, 0);
3209 pci_enable_wake(adapter
->pdev
, PCI_D3cold
, 0);
3212 dma_free_coherent(&adapter
->pdev
->dev
, cmd
.size
, cmd
.va
, cmd
.dma
);
3216 static void be_vf_eth_addr_generate(struct be_adapter
*adapter
, u8
*mac
)
3220 addr
= jhash(adapter
->netdev
->dev_addr
, ETH_ALEN
, 0);
3222 mac
[5] = (u8
)(addr
& 0xFF);
3223 mac
[4] = (u8
)((addr
>> 8) & 0xFF);
3224 mac
[3] = (u8
)((addr
>> 16) & 0xFF);
3225 /* Use the OUI from the current MAC address */
3226 memcpy(mac
, adapter
->netdev
->dev_addr
, 3);
3230 * Generate a seed MAC address from the PF MAC Address using jhash.
3231 * MAC Address for VFs are assigned incrementally starting from the seed.
3232 * These addresses are programmed in the ASIC by the PF and the VF driver
3233 * queries for the MAC address during its probe.
3235 static int be_vf_eth_addr_config(struct be_adapter
*adapter
)
3240 struct be_vf_cfg
*vf_cfg
;
3242 be_vf_eth_addr_generate(adapter
, mac
);
3244 for_all_vfs(adapter
, vf_cfg
, vf
) {
3245 if (BEx_chip(adapter
))
3246 status
= be_cmd_pmac_add(adapter
, mac
,
3248 &vf_cfg
->pmac_id
, vf
+ 1);
3250 status
= be_cmd_set_mac(adapter
, mac
, vf_cfg
->if_handle
,
3254 dev_err(&adapter
->pdev
->dev
,
3255 "Mac address assignment failed for VF %d\n",
3258 memcpy(vf_cfg
->mac_addr
, mac
, ETH_ALEN
);
3265 static int be_vfs_mac_query(struct be_adapter
*adapter
)
3269 struct be_vf_cfg
*vf_cfg
;
3271 for_all_vfs(adapter
, vf_cfg
, vf
) {
3272 status
= be_cmd_get_active_mac(adapter
, vf_cfg
->pmac_id
,
3273 mac
, vf_cfg
->if_handle
,
3277 memcpy(vf_cfg
->mac_addr
, mac
, ETH_ALEN
);
3282 static void be_vf_clear(struct be_adapter
*adapter
)
3284 struct be_vf_cfg
*vf_cfg
;
3287 if (pci_vfs_assigned(adapter
->pdev
)) {
3288 dev_warn(&adapter
->pdev
->dev
,
3289 "VFs are assigned to VMs: not disabling VFs\n");
3293 pci_disable_sriov(adapter
->pdev
);
3295 for_all_vfs(adapter
, vf_cfg
, vf
) {
3296 if (BEx_chip(adapter
))
3297 be_cmd_pmac_del(adapter
, vf_cfg
->if_handle
,
3298 vf_cfg
->pmac_id
, vf
+ 1);
3300 be_cmd_set_mac(adapter
, NULL
, vf_cfg
->if_handle
,
3303 be_cmd_if_destroy(adapter
, vf_cfg
->if_handle
, vf
+ 1);
3306 kfree(adapter
->vf_cfg
);
3307 adapter
->num_vfs
= 0;
3308 adapter
->flags
&= ~BE_FLAGS_SRIOV_ENABLED
;
3311 static void be_clear_queues(struct be_adapter
*adapter
)
3313 be_mcc_queues_destroy(adapter
);
3314 be_rx_cqs_destroy(adapter
);
3315 be_tx_queues_destroy(adapter
);
3316 be_evt_queues_destroy(adapter
);
3319 static void be_cancel_worker(struct be_adapter
*adapter
)
3321 if (adapter
->flags
& BE_FLAGS_WORKER_SCHEDULED
) {
3322 cancel_delayed_work_sync(&adapter
->work
);
3323 adapter
->flags
&= ~BE_FLAGS_WORKER_SCHEDULED
;
3327 static void be_mac_clear(struct be_adapter
*adapter
)
3329 if (adapter
->pmac_id
) {
3330 be_cmd_pmac_del(adapter
, adapter
->if_handle
,
3331 adapter
->pmac_id
[0], 0);
3332 kfree(adapter
->pmac_id
);
3333 adapter
->pmac_id
= NULL
;
3337 #ifdef CONFIG_BE2NET_VXLAN
3338 static void be_disable_vxlan_offloads(struct be_adapter
*adapter
)
3340 struct net_device
*netdev
= adapter
->netdev
;
3342 if (adapter
->flags
& BE_FLAGS_VXLAN_OFFLOADS
)
3343 be_cmd_manage_iface(adapter
, adapter
->if_handle
,
3344 OP_CONVERT_TUNNEL_TO_NORMAL
);
3346 if (adapter
->vxlan_port
)
3347 be_cmd_set_vxlan_port(adapter
, 0);
3349 adapter
->flags
&= ~BE_FLAGS_VXLAN_OFFLOADS
;
3350 adapter
->vxlan_port
= 0;
3352 netdev
->hw_enc_features
= 0;
3353 netdev
->hw_features
&= ~(NETIF_F_GSO_UDP_TUNNEL
);
3354 netdev
->features
&= ~(NETIF_F_GSO_UDP_TUNNEL
);
3358 static int be_clear(struct be_adapter
*adapter
)
3360 be_cancel_worker(adapter
);
3362 if (sriov_enabled(adapter
))
3363 be_vf_clear(adapter
);
3365 /* Re-configure FW to distribute resources evenly across max-supported
3366 * number of VFs, only when VFs are not already enabled.
3368 if (be_physfn(adapter
) && !pci_vfs_assigned(adapter
->pdev
))
3369 be_cmd_set_sriov_config(adapter
, adapter
->pool_res
,
3370 pci_sriov_get_totalvfs(adapter
->pdev
));
3372 #ifdef CONFIG_BE2NET_VXLAN
3373 be_disable_vxlan_offloads(adapter
);
3375 /* delete the primary mac along with the uc-mac list */
3376 be_mac_clear(adapter
);
3378 be_cmd_if_destroy(adapter
, adapter
->if_handle
, 0);
3380 be_clear_queues(adapter
);
3382 be_msix_disable(adapter
);
3383 adapter
->flags
&= ~BE_FLAGS_SETUP_DONE
;
3387 static int be_if_create(struct be_adapter
*adapter
, u32
*if_handle
,
3388 u32 cap_flags
, u32 vf
)
3392 en_flags
= BE_IF_FLAGS_UNTAGGED
| BE_IF_FLAGS_BROADCAST
|
3393 BE_IF_FLAGS_MULTICAST
| BE_IF_FLAGS_PASS_L3L4_ERRORS
|
3396 en_flags
&= cap_flags
;
3398 return be_cmd_if_create(adapter
, cap_flags
, en_flags
, if_handle
, vf
);
3401 static int be_vfs_if_create(struct be_adapter
*adapter
)
3403 struct be_resources res
= {0};
3404 struct be_vf_cfg
*vf_cfg
;
3408 /* If a FW profile exists, then cap_flags are updated */
3409 cap_flags
= BE_IF_FLAGS_UNTAGGED
| BE_IF_FLAGS_BROADCAST
|
3410 BE_IF_FLAGS_MULTICAST
;
3412 for_all_vfs(adapter
, vf_cfg
, vf
) {
3413 if (!BE3_chip(adapter
)) {
3414 status
= be_cmd_get_profile_config(adapter
, &res
,
3417 cap_flags
= res
.if_cap_flags
;
3418 /* Prevent VFs from enabling VLAN promiscuous
3421 cap_flags
&= ~BE_IF_FLAGS_VLAN_PROMISCUOUS
;
3425 status
= be_if_create(adapter
, &vf_cfg
->if_handle
,
3434 static int be_vf_setup_init(struct be_adapter
*adapter
)
3436 struct be_vf_cfg
*vf_cfg
;
3439 adapter
->vf_cfg
= kcalloc(adapter
->num_vfs
, sizeof(*vf_cfg
),
3441 if (!adapter
->vf_cfg
)
3444 for_all_vfs(adapter
, vf_cfg
, vf
) {
3445 vf_cfg
->if_handle
= -1;
3446 vf_cfg
->pmac_id
= -1;
3451 static int be_vf_setup(struct be_adapter
*adapter
)
3453 struct device
*dev
= &adapter
->pdev
->dev
;
3454 struct be_vf_cfg
*vf_cfg
;
3455 int status
, old_vfs
, vf
;
3457 old_vfs
= pci_num_vf(adapter
->pdev
);
3459 status
= be_vf_setup_init(adapter
);
3464 for_all_vfs(adapter
, vf_cfg
, vf
) {
3465 status
= be_cmd_get_if_id(adapter
, vf_cfg
, vf
);
3470 status
= be_vfs_mac_query(adapter
);
3474 status
= be_vfs_if_create(adapter
);
3478 status
= be_vf_eth_addr_config(adapter
);
3483 for_all_vfs(adapter
, vf_cfg
, vf
) {
3484 /* Allow VFs to programs MAC/VLAN filters */
3485 status
= be_cmd_get_fn_privileges(adapter
, &vf_cfg
->privileges
,
3487 if (!status
&& !(vf_cfg
->privileges
& BE_PRIV_FILTMGMT
)) {
3488 status
= be_cmd_set_fn_privileges(adapter
,
3489 vf_cfg
->privileges
|
3493 vf_cfg
->privileges
|= BE_PRIV_FILTMGMT
;
3494 dev_info(dev
, "VF%d has FILTMGMT privilege\n",
3499 /* Allow full available bandwidth */
3501 be_cmd_config_qos(adapter
, 0, 0, vf
+ 1);
3504 be_cmd_enable_vf(adapter
, vf
+ 1);
3505 be_cmd_set_logical_link_config(adapter
,
3506 IFLA_VF_LINK_STATE_AUTO
,
3512 status
= pci_enable_sriov(adapter
->pdev
, adapter
->num_vfs
);
3514 dev_err(dev
, "SRIOV enable failed\n");
3515 adapter
->num_vfs
= 0;
3520 adapter
->flags
|= BE_FLAGS_SRIOV_ENABLED
;
3523 dev_err(dev
, "VF setup failed\n");
3524 be_vf_clear(adapter
);
3528 /* Converting function_mode bits on BE3 to SH mc_type enums */
3530 static u8
be_convert_mc_type(u32 function_mode
)
3532 if (function_mode
& VNIC_MODE
&& function_mode
& QNQ_MODE
)
3534 else if (function_mode
& QNQ_MODE
)
3536 else if (function_mode
& VNIC_MODE
)
3538 else if (function_mode
& UMC_ENABLED
)
3544 /* On BE2/BE3 FW does not suggest the supported limits */
3545 static void BEx_get_resources(struct be_adapter
*adapter
,
3546 struct be_resources
*res
)
3548 bool use_sriov
= adapter
->num_vfs
? 1 : 0;
3550 if (be_physfn(adapter
))
3551 res
->max_uc_mac
= BE_UC_PMAC_COUNT
;
3553 res
->max_uc_mac
= BE_VF_UC_PMAC_COUNT
;
3555 adapter
->mc_type
= be_convert_mc_type(adapter
->function_mode
);
3557 if (be_is_mc(adapter
)) {
3558 /* Assuming that there are 4 channels per port,
3559 * when multi-channel is enabled
3561 if (be_is_qnq_mode(adapter
))
3562 res
->max_vlans
= BE_NUM_VLANS_SUPPORTED
/8;
3564 /* In a non-qnq multichannel mode, the pvid
3565 * takes up one vlan entry
3567 res
->max_vlans
= (BE_NUM_VLANS_SUPPORTED
/ 4) - 1;
3569 res
->max_vlans
= BE_NUM_VLANS_SUPPORTED
;
3572 res
->max_mcast_mac
= BE_MAX_MC
;
3574 /* 1) For BE3 1Gb ports, FW does not support multiple TXQs
3575 * 2) Create multiple TX rings on a BE3-R multi-channel interface
3576 * *only* if it is RSS-capable.
3578 if (BE2_chip(adapter
) || use_sriov
|| (adapter
->port_num
> 1) ||
3579 !be_physfn(adapter
) || (be_is_mc(adapter
) &&
3580 !(adapter
->function_caps
& BE_FUNCTION_CAPS_RSS
))) {
3582 } else if (adapter
->function_caps
& BE_FUNCTION_CAPS_SUPER_NIC
) {
3583 struct be_resources super_nic_res
= {0};
3585 /* On a SuperNIC profile, the driver needs to use the
3586 * GET_PROFILE_CONFIG cmd to query the per-function TXQ limits
3588 be_cmd_get_profile_config(adapter
, &super_nic_res
, 0);
3589 /* Some old versions of BE3 FW don't report max_tx_qs value */
3590 res
->max_tx_qs
= super_nic_res
.max_tx_qs
? : BE3_MAX_TX_QS
;
3592 res
->max_tx_qs
= BE3_MAX_TX_QS
;
3595 if ((adapter
->function_caps
& BE_FUNCTION_CAPS_RSS
) &&
3596 !use_sriov
&& be_physfn(adapter
))
3597 res
->max_rss_qs
= (adapter
->be3_native
) ?
3598 BE3_MAX_RSS_QS
: BE2_MAX_RSS_QS
;
3599 res
->max_rx_qs
= res
->max_rss_qs
+ 1;
3601 if (be_physfn(adapter
))
3602 res
->max_evt_qs
= (be_max_vfs(adapter
) > 0) ?
3603 BE3_SRIOV_MAX_EVT_QS
: BE3_MAX_EVT_QS
;
3605 res
->max_evt_qs
= 1;
3607 res
->if_cap_flags
= BE_IF_CAP_FLAGS_WANT
;
3608 if (!(adapter
->function_caps
& BE_FUNCTION_CAPS_RSS
))
3609 res
->if_cap_flags
&= ~BE_IF_FLAGS_RSS
;
3612 static void be_setup_init(struct be_adapter
*adapter
)
3614 adapter
->vlan_prio_bmap
= 0xff;
3615 adapter
->phy
.link_speed
= -1;
3616 adapter
->if_handle
= -1;
3617 adapter
->be3_native
= false;
3618 adapter
->if_flags
= 0;
3619 if (be_physfn(adapter
))
3620 adapter
->cmd_privileges
= MAX_PRIVILEGES
;
3622 adapter
->cmd_privileges
= MIN_PRIVILEGES
;
3625 static int be_get_sriov_config(struct be_adapter
*adapter
)
3627 struct device
*dev
= &adapter
->pdev
->dev
;
3628 struct be_resources res
= {0};
3629 int max_vfs
, old_vfs
;
3631 /* Some old versions of BE3 FW don't report max_vfs value */
3632 be_cmd_get_profile_config(adapter
, &res
, 0);
3634 if (BE3_chip(adapter
) && !res
.max_vfs
) {
3635 max_vfs
= pci_sriov_get_totalvfs(adapter
->pdev
);
3636 res
.max_vfs
= max_vfs
> 0 ? min(MAX_VFS
, max_vfs
) : 0;
3639 adapter
->pool_res
= res
;
3641 if (!be_max_vfs(adapter
)) {
3643 dev_warn(dev
, "SRIOV is disabled. Ignoring num_vfs\n");
3644 adapter
->num_vfs
= 0;
3648 pci_sriov_set_totalvfs(adapter
->pdev
, be_max_vfs(adapter
));
3650 /* validate num_vfs module param */
3651 old_vfs
= pci_num_vf(adapter
->pdev
);
3653 dev_info(dev
, "%d VFs are already enabled\n", old_vfs
);
3654 if (old_vfs
!= num_vfs
)
3655 dev_warn(dev
, "Ignoring num_vfs=%d setting\n", num_vfs
);
3656 adapter
->num_vfs
= old_vfs
;
3658 if (num_vfs
> be_max_vfs(adapter
)) {
3659 dev_info(dev
, "Resources unavailable to init %d VFs\n",
3661 dev_info(dev
, "Limiting to %d VFs\n",
3662 be_max_vfs(adapter
));
3664 adapter
->num_vfs
= min_t(u16
, num_vfs
, be_max_vfs(adapter
));
3670 static int be_get_resources(struct be_adapter
*adapter
)
3672 struct device
*dev
= &adapter
->pdev
->dev
;
3673 struct be_resources res
= {0};
3676 if (BEx_chip(adapter
)) {
3677 BEx_get_resources(adapter
, &res
);
3681 /* For Lancer, SH etc read per-function resource limits from FW.
3682 * GET_FUNC_CONFIG returns per function guaranteed limits.
3683 * GET_PROFILE_CONFIG returns PCI-E related limits PF-pool limits
3685 if (!BEx_chip(adapter
)) {
3686 status
= be_cmd_get_func_config(adapter
, &res
);
3690 /* If RoCE may be enabled stash away half the EQs for RoCE */
3691 if (be_roce_supported(adapter
))
3692 res
.max_evt_qs
/= 2;
3696 dev_info(dev
, "Max: txqs %d, rxqs %d, rss %d, eqs %d, vfs %d\n",
3697 be_max_txqs(adapter
), be_max_rxqs(adapter
),
3698 be_max_rss(adapter
), be_max_eqs(adapter
),
3699 be_max_vfs(adapter
));
3700 dev_info(dev
, "Max: uc-macs %d, mc-macs %d, vlans %d\n",
3701 be_max_uc(adapter
), be_max_mc(adapter
),
3702 be_max_vlans(adapter
));
3707 static void be_sriov_config(struct be_adapter
*adapter
)
3709 struct device
*dev
= &adapter
->pdev
->dev
;
3712 status
= be_get_sriov_config(adapter
);
3714 dev_err(dev
, "Failed to query SR-IOV configuration\n");
3715 dev_err(dev
, "SR-IOV cannot be enabled\n");
3719 /* When the HW is in SRIOV capable configuration, the PF-pool
3720 * resources are equally distributed across the max-number of
3721 * VFs. The user may request only a subset of the max-vfs to be
3722 * enabled. Based on num_vfs, redistribute the resources across
3723 * num_vfs so that each VF will have access to more number of
3724 * resources. This facility is not available in BE3 FW.
3725 * Also, this is done by FW in Lancer chip.
3727 if (be_max_vfs(adapter
) && !pci_num_vf(adapter
->pdev
)) {
3728 status
= be_cmd_set_sriov_config(adapter
,
3732 dev_err(dev
, "Failed to optimize SR-IOV resources\n");
3736 static int be_get_config(struct be_adapter
*adapter
)
3741 status
= be_cmd_query_fw_cfg(adapter
);
3745 be_cmd_query_port_name(adapter
);
3747 if (be_physfn(adapter
)) {
3748 status
= be_cmd_get_active_profile(adapter
, &profile_id
);
3750 dev_info(&adapter
->pdev
->dev
,
3751 "Using profile 0x%x\n", profile_id
);
3754 if (!BE2_chip(adapter
) && be_physfn(adapter
))
3755 be_sriov_config(adapter
);
3757 status
= be_get_resources(adapter
);
3761 adapter
->pmac_id
= kcalloc(be_max_uc(adapter
),
3762 sizeof(*adapter
->pmac_id
), GFP_KERNEL
);
3763 if (!adapter
->pmac_id
)
3766 /* Sanitize cfg_num_qs based on HW and platform limits */
3767 adapter
->cfg_num_qs
= min(adapter
->cfg_num_qs
, be_max_qs(adapter
));
3772 static int be_mac_setup(struct be_adapter
*adapter
)
3777 if (is_zero_ether_addr(adapter
->netdev
->dev_addr
)) {
3778 status
= be_cmd_get_perm_mac(adapter
, mac
);
3782 memcpy(adapter
->netdev
->dev_addr
, mac
, ETH_ALEN
);
3783 memcpy(adapter
->netdev
->perm_addr
, mac
, ETH_ALEN
);
3785 /* Maybe the HW was reset; dev_addr must be re-programmed */
3786 memcpy(mac
, adapter
->netdev
->dev_addr
, ETH_ALEN
);
3789 /* For BE3-R VFs, the PF programs the initial MAC address */
3790 if (!(BEx_chip(adapter
) && be_virtfn(adapter
)))
3791 be_cmd_pmac_add(adapter
, mac
, adapter
->if_handle
,
3792 &adapter
->pmac_id
[0], 0);
3796 static void be_schedule_worker(struct be_adapter
*adapter
)
3798 schedule_delayed_work(&adapter
->work
, msecs_to_jiffies(1000));
3799 adapter
->flags
|= BE_FLAGS_WORKER_SCHEDULED
;
3802 static int be_setup_queues(struct be_adapter
*adapter
)
3804 struct net_device
*netdev
= adapter
->netdev
;
3807 status
= be_evt_queues_create(adapter
);
3811 status
= be_tx_qs_create(adapter
);
3815 status
= be_rx_cqs_create(adapter
);
3819 status
= be_mcc_queues_create(adapter
);
3823 status
= netif_set_real_num_rx_queues(netdev
, adapter
->num_rx_qs
);
3827 status
= netif_set_real_num_tx_queues(netdev
, adapter
->num_tx_qs
);
3833 dev_err(&adapter
->pdev
->dev
, "queue_setup failed\n");
3837 int be_update_queues(struct be_adapter
*adapter
)
3839 struct net_device
*netdev
= adapter
->netdev
;
3842 if (netif_running(netdev
))
3845 be_cancel_worker(adapter
);
3847 /* If any vectors have been shared with RoCE we cannot re-program
3850 if (!adapter
->num_msix_roce_vec
)
3851 be_msix_disable(adapter
);
3853 be_clear_queues(adapter
);
3855 if (!msix_enabled(adapter
)) {
3856 status
= be_msix_enable(adapter
);
3861 status
= be_setup_queues(adapter
);
3865 be_schedule_worker(adapter
);
3867 if (netif_running(netdev
))
3868 status
= be_open(netdev
);
3873 static inline int fw_major_num(const char *fw_ver
)
3875 int fw_major
= 0, i
;
3877 i
= sscanf(fw_ver
, "%d.", &fw_major
);
3884 static int be_setup(struct be_adapter
*adapter
)
3886 struct device
*dev
= &adapter
->pdev
->dev
;
3889 be_setup_init(adapter
);
3891 if (!lancer_chip(adapter
))
3892 be_cmd_req_native_mode(adapter
);
3894 status
= be_get_config(adapter
);
3898 status
= be_msix_enable(adapter
);
3902 status
= be_if_create(adapter
, &adapter
->if_handle
,
3903 be_if_cap_flags(adapter
), 0);
3907 /* Updating real_num_tx/rx_queues() requires rtnl_lock() */
3909 status
= be_setup_queues(adapter
);
3914 be_cmd_get_fn_privileges(adapter
, &adapter
->cmd_privileges
, 0);
3916 status
= be_mac_setup(adapter
);
3920 be_cmd_get_fw_ver(adapter
);
3921 dev_info(dev
, "FW version is %s\n", adapter
->fw_ver
);
3923 if (BE2_chip(adapter
) && fw_major_num(adapter
->fw_ver
) < 4) {
3924 dev_err(dev
, "Firmware on card is old(%s), IRQs may not work",
3926 dev_err(dev
, "Please upgrade firmware to version >= 4.0\n");
3929 if (adapter
->vlans_added
)
3930 be_vid_config(adapter
);
3932 be_set_rx_mode(adapter
->netdev
);
3934 be_cmd_get_acpi_wol_cap(adapter
);
3936 status
= be_cmd_set_flow_control(adapter
, adapter
->tx_fc
,
3939 be_cmd_get_flow_control(adapter
, &adapter
->tx_fc
,
3942 dev_info(&adapter
->pdev
->dev
, "HW Flow control - TX:%d RX:%d\n",
3943 adapter
->tx_fc
, adapter
->rx_fc
);
3945 if (be_physfn(adapter
))
3946 be_cmd_set_logical_link_config(adapter
,
3947 IFLA_VF_LINK_STATE_AUTO
, 0);
3949 if (adapter
->num_vfs
)
3950 be_vf_setup(adapter
);
3952 status
= be_cmd_get_phy_info(adapter
);
3953 if (!status
&& be_pause_supported(adapter
))
3954 adapter
->phy
.fc_autoneg
= 1;
3956 be_schedule_worker(adapter
);
3957 adapter
->flags
|= BE_FLAGS_SETUP_DONE
;
3964 #ifdef CONFIG_NET_POLL_CONTROLLER
3965 static void be_netpoll(struct net_device
*netdev
)
3967 struct be_adapter
*adapter
= netdev_priv(netdev
);
3968 struct be_eq_obj
*eqo
;
3971 for_all_evt_queues(adapter
, eqo
, i
) {
3972 be_eq_notify(eqo
->adapter
, eqo
->q
.id
, false, true, 0);
3973 napi_schedule(&eqo
->napi
);
3978 static char flash_cookie
[2][16] = {"*** SE FLAS", "H DIRECTORY *** "};
3980 static bool phy_flashing_required(struct be_adapter
*adapter
)
3982 return (adapter
->phy
.phy_type
== PHY_TYPE_TN_8022
&&
3983 adapter
->phy
.interface_type
== PHY_TYPE_BASET_10GB
);
3986 static bool is_comp_in_ufi(struct be_adapter
*adapter
,
3987 struct flash_section_info
*fsec
, int type
)
3989 int i
= 0, img_type
= 0;
3990 struct flash_section_info_g2
*fsec_g2
= NULL
;
3992 if (BE2_chip(adapter
))
3993 fsec_g2
= (struct flash_section_info_g2
*)fsec
;
3995 for (i
= 0; i
< MAX_FLASH_COMP
; i
++) {
3997 img_type
= le32_to_cpu(fsec_g2
->fsec_entry
[i
].type
);
3999 img_type
= le32_to_cpu(fsec
->fsec_entry
[i
].type
);
4001 if (img_type
== type
)
4008 static struct flash_section_info
*get_fsec_info(struct be_adapter
*adapter
,
4010 const struct firmware
*fw
)
4012 struct flash_section_info
*fsec
= NULL
;
4013 const u8
*p
= fw
->data
;
4016 while (p
< (fw
->data
+ fw
->size
)) {
4017 fsec
= (struct flash_section_info
*)p
;
4018 if (!memcmp(flash_cookie
, fsec
->cookie
, sizeof(flash_cookie
)))
4025 static int be_check_flash_crc(struct be_adapter
*adapter
, const u8
*p
,
4026 u32 img_offset
, u32 img_size
, int hdr_size
,
4027 u16 img_optype
, bool *crc_match
)
4033 status
= be_cmd_get_flash_crc(adapter
, crc
, img_optype
, img_offset
,
4038 crc_offset
= hdr_size
+ img_offset
+ img_size
- 4;
4040 /* Skip flashing, if crc of flashed region matches */
4041 if (!memcmp(crc
, p
+ crc_offset
, 4))
4049 static int be_flash(struct be_adapter
*adapter
, const u8
*img
,
4050 struct be_dma_mem
*flash_cmd
, int optype
, int img_size
,
4053 u32 flash_op
, num_bytes
, total_bytes
= img_size
, bytes_sent
= 0;
4054 struct be_cmd_write_flashrom
*req
= flash_cmd
->va
;
4057 while (total_bytes
) {
4058 num_bytes
= min_t(u32
, 32*1024, total_bytes
);
4060 total_bytes
-= num_bytes
;
4063 if (optype
== OPTYPE_PHY_FW
)
4064 flash_op
= FLASHROM_OPER_PHY_FLASH
;
4066 flash_op
= FLASHROM_OPER_FLASH
;
4068 if (optype
== OPTYPE_PHY_FW
)
4069 flash_op
= FLASHROM_OPER_PHY_SAVE
;
4071 flash_op
= FLASHROM_OPER_SAVE
;
4074 memcpy(req
->data_buf
, img
, num_bytes
);
4076 status
= be_cmd_write_flashrom(adapter
, flash_cmd
, optype
,
4077 flash_op
, img_offset
+
4078 bytes_sent
, num_bytes
);
4079 if (base_status(status
) == MCC_STATUS_ILLEGAL_REQUEST
&&
4080 optype
== OPTYPE_PHY_FW
)
4085 bytes_sent
+= num_bytes
;
4090 /* For BE2, BE3 and BE3-R */
4091 static int be_flash_BEx(struct be_adapter
*adapter
,
4092 const struct firmware
*fw
,
4093 struct be_dma_mem
*flash_cmd
, int num_of_images
)
4095 int img_hdrs_size
= (num_of_images
* sizeof(struct image_hdr
));
4096 struct device
*dev
= &adapter
->pdev
->dev
;
4097 struct flash_section_info
*fsec
= NULL
;
4098 int status
, i
, filehdr_size
, num_comp
;
4099 const struct flash_comp
*pflashcomp
;
4103 struct flash_comp gen3_flash_types
[] = {
4104 { FLASH_iSCSI_PRIMARY_IMAGE_START_g3
, OPTYPE_ISCSI_ACTIVE
,
4105 FLASH_IMAGE_MAX_SIZE_g3
, IMAGE_FIRMWARE_iSCSI
},
4106 { FLASH_REDBOOT_START_g3
, OPTYPE_REDBOOT
,
4107 FLASH_REDBOOT_IMAGE_MAX_SIZE_g3
, IMAGE_BOOT_CODE
},
4108 { FLASH_iSCSI_BIOS_START_g3
, OPTYPE_BIOS
,
4109 FLASH_BIOS_IMAGE_MAX_SIZE_g3
, IMAGE_OPTION_ROM_ISCSI
},
4110 { FLASH_PXE_BIOS_START_g3
, OPTYPE_PXE_BIOS
,
4111 FLASH_BIOS_IMAGE_MAX_SIZE_g3
, IMAGE_OPTION_ROM_PXE
},
4112 { FLASH_FCoE_BIOS_START_g3
, OPTYPE_FCOE_BIOS
,
4113 FLASH_BIOS_IMAGE_MAX_SIZE_g3
, IMAGE_OPTION_ROM_FCoE
},
4114 { FLASH_iSCSI_BACKUP_IMAGE_START_g3
, OPTYPE_ISCSI_BACKUP
,
4115 FLASH_IMAGE_MAX_SIZE_g3
, IMAGE_FIRMWARE_BACKUP_iSCSI
},
4116 { FLASH_FCoE_PRIMARY_IMAGE_START_g3
, OPTYPE_FCOE_FW_ACTIVE
,
4117 FLASH_IMAGE_MAX_SIZE_g3
, IMAGE_FIRMWARE_FCoE
},
4118 { FLASH_FCoE_BACKUP_IMAGE_START_g3
, OPTYPE_FCOE_FW_BACKUP
,
4119 FLASH_IMAGE_MAX_SIZE_g3
, IMAGE_FIRMWARE_BACKUP_FCoE
},
4120 { FLASH_NCSI_START_g3
, OPTYPE_NCSI_FW
,
4121 FLASH_NCSI_IMAGE_MAX_SIZE_g3
, IMAGE_NCSI
},
4122 { FLASH_PHY_FW_START_g3
, OPTYPE_PHY_FW
,
4123 FLASH_PHY_FW_IMAGE_MAX_SIZE_g3
, IMAGE_FIRMWARE_PHY
}
4126 struct flash_comp gen2_flash_types
[] = {
4127 { FLASH_iSCSI_PRIMARY_IMAGE_START_g2
, OPTYPE_ISCSI_ACTIVE
,
4128 FLASH_IMAGE_MAX_SIZE_g2
, IMAGE_FIRMWARE_iSCSI
},
4129 { FLASH_REDBOOT_START_g2
, OPTYPE_REDBOOT
,
4130 FLASH_REDBOOT_IMAGE_MAX_SIZE_g2
, IMAGE_BOOT_CODE
},
4131 { FLASH_iSCSI_BIOS_START_g2
, OPTYPE_BIOS
,
4132 FLASH_BIOS_IMAGE_MAX_SIZE_g2
, IMAGE_OPTION_ROM_ISCSI
},
4133 { FLASH_PXE_BIOS_START_g2
, OPTYPE_PXE_BIOS
,
4134 FLASH_BIOS_IMAGE_MAX_SIZE_g2
, IMAGE_OPTION_ROM_PXE
},
4135 { FLASH_FCoE_BIOS_START_g2
, OPTYPE_FCOE_BIOS
,
4136 FLASH_BIOS_IMAGE_MAX_SIZE_g2
, IMAGE_OPTION_ROM_FCoE
},
4137 { FLASH_iSCSI_BACKUP_IMAGE_START_g2
, OPTYPE_ISCSI_BACKUP
,
4138 FLASH_IMAGE_MAX_SIZE_g2
, IMAGE_FIRMWARE_BACKUP_iSCSI
},
4139 { FLASH_FCoE_PRIMARY_IMAGE_START_g2
, OPTYPE_FCOE_FW_ACTIVE
,
4140 FLASH_IMAGE_MAX_SIZE_g2
, IMAGE_FIRMWARE_FCoE
},
4141 { FLASH_FCoE_BACKUP_IMAGE_START_g2
, OPTYPE_FCOE_FW_BACKUP
,
4142 FLASH_IMAGE_MAX_SIZE_g2
, IMAGE_FIRMWARE_BACKUP_FCoE
}
4145 if (BE3_chip(adapter
)) {
4146 pflashcomp
= gen3_flash_types
;
4147 filehdr_size
= sizeof(struct flash_file_hdr_g3
);
4148 num_comp
= ARRAY_SIZE(gen3_flash_types
);
4150 pflashcomp
= gen2_flash_types
;
4151 filehdr_size
= sizeof(struct flash_file_hdr_g2
);
4152 num_comp
= ARRAY_SIZE(gen2_flash_types
);
4156 /* Get flash section info*/
4157 fsec
= get_fsec_info(adapter
, filehdr_size
+ img_hdrs_size
, fw
);
4159 dev_err(dev
, "Invalid Cookie. FW image may be corrupted\n");
4162 for (i
= 0; i
< num_comp
; i
++) {
4163 if (!is_comp_in_ufi(adapter
, fsec
, pflashcomp
[i
].img_type
))
4166 if ((pflashcomp
[i
].optype
== OPTYPE_NCSI_FW
) &&
4167 memcmp(adapter
->fw_ver
, "3.102.148.0", 11) < 0)
4170 if (pflashcomp
[i
].optype
== OPTYPE_PHY_FW
&&
4171 !phy_flashing_required(adapter
))
4174 if (pflashcomp
[i
].optype
== OPTYPE_REDBOOT
) {
4175 status
= be_check_flash_crc(adapter
, fw
->data
,
4176 pflashcomp
[i
].offset
,
4180 OPTYPE_REDBOOT
, &crc_match
);
4183 "Could not get CRC for 0x%x region\n",
4184 pflashcomp
[i
].optype
);
4192 p
= fw
->data
+ filehdr_size
+ pflashcomp
[i
].offset
+
4194 if (p
+ pflashcomp
[i
].size
> fw
->data
+ fw
->size
)
4197 status
= be_flash(adapter
, p
, flash_cmd
, pflashcomp
[i
].optype
,
4198 pflashcomp
[i
].size
, 0);
4200 dev_err(dev
, "Flashing section type 0x%x failed\n",
4201 pflashcomp
[i
].img_type
);
4208 static u16
be_get_img_optype(struct flash_section_entry fsec_entry
)
4210 u32 img_type
= le32_to_cpu(fsec_entry
.type
);
4211 u16 img_optype
= le16_to_cpu(fsec_entry
.optype
);
4213 if (img_optype
!= 0xFFFF)
4217 case IMAGE_FIRMWARE_iSCSI
:
4218 img_optype
= OPTYPE_ISCSI_ACTIVE
;
4220 case IMAGE_BOOT_CODE
:
4221 img_optype
= OPTYPE_REDBOOT
;
4223 case IMAGE_OPTION_ROM_ISCSI
:
4224 img_optype
= OPTYPE_BIOS
;
4226 case IMAGE_OPTION_ROM_PXE
:
4227 img_optype
= OPTYPE_PXE_BIOS
;
4229 case IMAGE_OPTION_ROM_FCoE
:
4230 img_optype
= OPTYPE_FCOE_BIOS
;
4232 case IMAGE_FIRMWARE_BACKUP_iSCSI
:
4233 img_optype
= OPTYPE_ISCSI_BACKUP
;
4236 img_optype
= OPTYPE_NCSI_FW
;
4238 case IMAGE_FLASHISM_JUMPVECTOR
:
4239 img_optype
= OPTYPE_FLASHISM_JUMPVECTOR
;
4241 case IMAGE_FIRMWARE_PHY
:
4242 img_optype
= OPTYPE_SH_PHY_FW
;
4244 case IMAGE_REDBOOT_DIR
:
4245 img_optype
= OPTYPE_REDBOOT_DIR
;
4247 case IMAGE_REDBOOT_CONFIG
:
4248 img_optype
= OPTYPE_REDBOOT_CONFIG
;
4251 img_optype
= OPTYPE_UFI_DIR
;
4260 static int be_flash_skyhawk(struct be_adapter
*adapter
,
4261 const struct firmware
*fw
,
4262 struct be_dma_mem
*flash_cmd
, int num_of_images
)
4264 int img_hdrs_size
= num_of_images
* sizeof(struct image_hdr
);
4265 bool crc_match
, old_fw_img
, flash_offset_support
= true;
4266 struct device
*dev
= &adapter
->pdev
->dev
;
4267 struct flash_section_info
*fsec
= NULL
;
4268 u32 img_offset
, img_size
, img_type
;
4269 u16 img_optype
, flash_optype
;
4270 int status
, i
, filehdr_size
;
4273 filehdr_size
= sizeof(struct flash_file_hdr_g3
);
4274 fsec
= get_fsec_info(adapter
, filehdr_size
+ img_hdrs_size
, fw
);
4276 dev_err(dev
, "Invalid Cookie. FW image may be corrupted\n");
4281 for (i
= 0; i
< le32_to_cpu(fsec
->fsec_hdr
.num_images
); i
++) {
4282 img_offset
= le32_to_cpu(fsec
->fsec_entry
[i
].offset
);
4283 img_size
= le32_to_cpu(fsec
->fsec_entry
[i
].pad_size
);
4284 img_type
= le32_to_cpu(fsec
->fsec_entry
[i
].type
);
4285 img_optype
= be_get_img_optype(fsec
->fsec_entry
[i
]);
4286 old_fw_img
= fsec
->fsec_entry
[i
].optype
== 0xFFFF;
4288 if (img_optype
== 0xFFFF)
4291 if (flash_offset_support
)
4292 flash_optype
= OPTYPE_OFFSET_SPECIFIED
;
4294 flash_optype
= img_optype
;
4296 /* Don't bother verifying CRC if an old FW image is being
4302 status
= be_check_flash_crc(adapter
, fw
->data
, img_offset
,
4303 img_size
, filehdr_size
+
4304 img_hdrs_size
, flash_optype
,
4306 if (base_status(status
) == MCC_STATUS_ILLEGAL_REQUEST
||
4307 base_status(status
) == MCC_STATUS_ILLEGAL_FIELD
) {
4308 /* The current FW image on the card does not support
4309 * OFFSET based flashing. Retry using older mechanism
4310 * of OPTYPE based flashing
4312 if (flash_optype
== OPTYPE_OFFSET_SPECIFIED
) {
4313 flash_offset_support
= false;
4317 /* The current FW image on the card does not recognize
4318 * the new FLASH op_type. The FW download is partially
4319 * complete. Reboot the server now to enable FW image
4320 * to recognize the new FLASH op_type. To complete the
4321 * remaining process, download the same FW again after
4324 dev_err(dev
, "Flash incomplete. Reset the server\n");
4325 dev_err(dev
, "Download FW image again after reset\n");
4327 } else if (status
) {
4328 dev_err(dev
, "Could not get CRC for 0x%x region\n",
4337 p
= fw
->data
+ filehdr_size
+ img_offset
+ img_hdrs_size
;
4338 if (p
+ img_size
> fw
->data
+ fw
->size
)
4341 status
= be_flash(adapter
, p
, flash_cmd
, flash_optype
, img_size
,
4344 /* The current FW image on the card does not support OFFSET
4345 * based flashing. Retry using older mechanism of OPTYPE based
4348 if (base_status(status
) == MCC_STATUS_ILLEGAL_FIELD
&&
4349 flash_optype
== OPTYPE_OFFSET_SPECIFIED
) {
4350 flash_offset_support
= false;
4354 /* For old FW images ignore ILLEGAL_FIELD error or errors on
4358 (base_status(status
) == MCC_STATUS_ILLEGAL_FIELD
||
4359 (img_optype
== OPTYPE_UFI_DIR
&&
4360 base_status(status
) == MCC_STATUS_FAILED
))) {
4362 } else if (status
) {
4363 dev_err(dev
, "Flashing section type 0x%x failed\n",
4371 static int lancer_fw_download(struct be_adapter
*adapter
,
4372 const struct firmware
*fw
)
4374 #define LANCER_FW_DOWNLOAD_CHUNK (32 * 1024)
4375 #define LANCER_FW_DOWNLOAD_LOCATION "/prg"
4376 struct device
*dev
= &adapter
->pdev
->dev
;
4377 struct be_dma_mem flash_cmd
;
4378 const u8
*data_ptr
= NULL
;
4379 u8
*dest_image_ptr
= NULL
;
4380 size_t image_size
= 0;
4382 u32 data_written
= 0;
4388 if (!IS_ALIGNED(fw
->size
, sizeof(u32
))) {
4389 dev_err(dev
, "FW image size should be multiple of 4\n");
4393 flash_cmd
.size
= sizeof(struct lancer_cmd_req_write_object
)
4394 + LANCER_FW_DOWNLOAD_CHUNK
;
4395 flash_cmd
.va
= dma_alloc_coherent(dev
, flash_cmd
.size
,
4396 &flash_cmd
.dma
, GFP_KERNEL
);
4400 dest_image_ptr
= flash_cmd
.va
+
4401 sizeof(struct lancer_cmd_req_write_object
);
4402 image_size
= fw
->size
;
4403 data_ptr
= fw
->data
;
4405 while (image_size
) {
4406 chunk_size
= min_t(u32
, image_size
, LANCER_FW_DOWNLOAD_CHUNK
);
4408 /* Copy the image chunk content. */
4409 memcpy(dest_image_ptr
, data_ptr
, chunk_size
);
4411 status
= lancer_cmd_write_object(adapter
, &flash_cmd
,
4413 LANCER_FW_DOWNLOAD_LOCATION
,
4414 &data_written
, &change_status
,
4419 offset
+= data_written
;
4420 data_ptr
+= data_written
;
4421 image_size
-= data_written
;
4425 /* Commit the FW written */
4426 status
= lancer_cmd_write_object(adapter
, &flash_cmd
,
4428 LANCER_FW_DOWNLOAD_LOCATION
,
4429 &data_written
, &change_status
,
4433 dma_free_coherent(dev
, flash_cmd
.size
, flash_cmd
.va
, flash_cmd
.dma
);
4435 dev_err(dev
, "Firmware load error\n");
4436 return be_cmd_status(status
);
4439 dev_info(dev
, "Firmware flashed successfully\n");
4441 if (change_status
== LANCER_FW_RESET_NEEDED
) {
4442 dev_info(dev
, "Resetting adapter to activate new FW\n");
4443 status
= lancer_physdev_ctrl(adapter
,
4444 PHYSDEV_CONTROL_FW_RESET_MASK
);
4446 dev_err(dev
, "Adapter busy, could not reset FW\n");
4447 dev_err(dev
, "Reboot server to activate new FW\n");
4449 } else if (change_status
!= LANCER_NO_RESET_NEEDED
) {
4450 dev_info(dev
, "Reboot server to activate new FW\n");
4460 #define SH_P2_UFI 11
4462 static int be_get_ufi_type(struct be_adapter
*adapter
,
4463 struct flash_file_hdr_g3
*fhdr
)
4466 dev_err(&adapter
->pdev
->dev
, "Invalid FW UFI file");
4470 /* First letter of the build version is used to identify
4471 * which chip this image file is meant for.
4473 switch (fhdr
->build
[0]) {
4474 case BLD_STR_UFI_TYPE_SH
:
4475 return (fhdr
->asic_type_rev
== ASIC_REV_P2
) ? SH_P2_UFI
:
4477 case BLD_STR_UFI_TYPE_BE3
:
4478 return (fhdr
->asic_type_rev
== ASIC_REV_B0
) ? BE3R_UFI
:
4480 case BLD_STR_UFI_TYPE_BE2
:
4487 /* Check if the flash image file is compatible with the adapter that
4489 * BE3 chips with asic-rev B0 must be flashed only with BE3R_UFI type.
4490 * Skyhawk chips with asic-rev P2 must be flashed only with SH_P2_UFI type.
4492 static bool be_check_ufi_compatibility(struct be_adapter
*adapter
,
4493 struct flash_file_hdr_g3
*fhdr
)
4495 int ufi_type
= be_get_ufi_type(adapter
, fhdr
);
4499 return skyhawk_chip(adapter
);
4501 return (skyhawk_chip(adapter
) &&
4502 adapter
->asic_rev
< ASIC_REV_P2
);
4504 return BE3_chip(adapter
);
4506 return (BE3_chip(adapter
) && adapter
->asic_rev
< ASIC_REV_B0
);
4508 return BE2_chip(adapter
);
4514 static int be_fw_download(struct be_adapter
*adapter
, const struct firmware
* fw
)
4516 struct device
*dev
= &adapter
->pdev
->dev
;
4517 struct flash_file_hdr_g3
*fhdr3
;
4518 struct image_hdr
*img_hdr_ptr
;
4519 int status
= 0, i
, num_imgs
;
4520 struct be_dma_mem flash_cmd
;
4522 fhdr3
= (struct flash_file_hdr_g3
*)fw
->data
;
4523 if (!be_check_ufi_compatibility(adapter
, fhdr3
)) {
4524 dev_err(dev
, "Flash image is not compatible with adapter\n");
4528 flash_cmd
.size
= sizeof(struct be_cmd_write_flashrom
);
4529 flash_cmd
.va
= dma_alloc_coherent(dev
, flash_cmd
.size
, &flash_cmd
.dma
,
4534 num_imgs
= le32_to_cpu(fhdr3
->num_imgs
);
4535 for (i
= 0; i
< num_imgs
; i
++) {
4536 img_hdr_ptr
= (struct image_hdr
*)(fw
->data
+
4537 (sizeof(struct flash_file_hdr_g3
) +
4538 i
* sizeof(struct image_hdr
)));
4539 if (!BE2_chip(adapter
) &&
4540 le32_to_cpu(img_hdr_ptr
->imageid
) != 1)
4543 if (skyhawk_chip(adapter
))
4544 status
= be_flash_skyhawk(adapter
, fw
, &flash_cmd
,
4547 status
= be_flash_BEx(adapter
, fw
, &flash_cmd
,
4551 dma_free_coherent(dev
, flash_cmd
.size
, flash_cmd
.va
, flash_cmd
.dma
);
4553 dev_info(dev
, "Firmware flashed successfully\n");
4558 int be_load_fw(struct be_adapter
*adapter
, u8
*fw_file
)
4560 const struct firmware
*fw
;
4563 if (!netif_running(adapter
->netdev
)) {
4564 dev_err(&adapter
->pdev
->dev
,
4565 "Firmware load not allowed (interface is down)\n");
4569 status
= request_firmware(&fw
, fw_file
, &adapter
->pdev
->dev
);
4573 dev_info(&adapter
->pdev
->dev
, "Flashing firmware file %s\n", fw_file
);
4575 if (lancer_chip(adapter
))
4576 status
= lancer_fw_download(adapter
, fw
);
4578 status
= be_fw_download(adapter
, fw
);
4581 be_cmd_get_fw_ver(adapter
);
4584 release_firmware(fw
);
4588 static int be_ndo_bridge_setlink(struct net_device
*dev
, struct nlmsghdr
*nlh
,
4591 struct be_adapter
*adapter
= netdev_priv(dev
);
4592 struct nlattr
*attr
, *br_spec
;
4597 if (!sriov_enabled(adapter
))
4600 br_spec
= nlmsg_find_attr(nlh
, sizeof(struct ifinfomsg
), IFLA_AF_SPEC
);
4604 nla_for_each_nested(attr
, br_spec
, rem
) {
4605 if (nla_type(attr
) != IFLA_BRIDGE_MODE
)
4608 if (nla_len(attr
) < sizeof(mode
))
4611 mode
= nla_get_u16(attr
);
4612 if (mode
!= BRIDGE_MODE_VEPA
&& mode
!= BRIDGE_MODE_VEB
)
4615 status
= be_cmd_set_hsw_config(adapter
, 0, 0,
4617 mode
== BRIDGE_MODE_VEPA
?
4618 PORT_FWD_TYPE_VEPA
:
4623 dev_info(&adapter
->pdev
->dev
, "enabled switch mode: %s\n",
4624 mode
== BRIDGE_MODE_VEPA
? "VEPA" : "VEB");
4629 dev_err(&adapter
->pdev
->dev
, "Failed to set switch mode %s\n",
4630 mode
== BRIDGE_MODE_VEPA
? "VEPA" : "VEB");
4635 static int be_ndo_bridge_getlink(struct sk_buff
*skb
, u32 pid
, u32 seq
,
4636 struct net_device
*dev
, u32 filter_mask
)
4638 struct be_adapter
*adapter
= netdev_priv(dev
);
4642 if (!sriov_enabled(adapter
))
4645 /* BE and Lancer chips support VEB mode only */
4646 if (BEx_chip(adapter
) || lancer_chip(adapter
)) {
4647 hsw_mode
= PORT_FWD_TYPE_VEB
;
4649 status
= be_cmd_get_hsw_config(adapter
, NULL
, 0,
4650 adapter
->if_handle
, &hsw_mode
);
4655 return ndo_dflt_bridge_getlink(skb
, pid
, seq
, dev
,
4656 hsw_mode
== PORT_FWD_TYPE_VEPA
?
4657 BRIDGE_MODE_VEPA
: BRIDGE_MODE_VEB
,
4661 #ifdef CONFIG_BE2NET_VXLAN
4662 /* VxLAN offload Notes:
4664 * The stack defines tunnel offload flags (hw_enc_features) for IP and doesn't
4665 * distinguish various types of transports (VxLAN, GRE, NVGRE ..). So, offload
4666 * is expected to work across all types of IP tunnels once exported. Skyhawk
4667 * supports offloads for either VxLAN or NVGRE, exclusively. So we export VxLAN
4668 * offloads in hw_enc_features only when a VxLAN port is added. If other (non
4669 * VxLAN) tunnels are configured while VxLAN offloads are enabled, offloads for
4670 * those other tunnels are unexported on the fly through ndo_features_check().
4672 * Skyhawk supports VxLAN offloads only for one UDP dport. So, if the stack
4673 * adds more than one port, disable offloads and don't re-enable them again
4674 * until after all the tunnels are removed.
4676 static void be_add_vxlan_port(struct net_device
*netdev
, sa_family_t sa_family
,
4679 struct be_adapter
*adapter
= netdev_priv(netdev
);
4680 struct device
*dev
= &adapter
->pdev
->dev
;
4683 if (lancer_chip(adapter
) || BEx_chip(adapter
))
4686 if (adapter
->flags
& BE_FLAGS_VXLAN_OFFLOADS
) {
4688 "Only one UDP port supported for VxLAN offloads\n");
4689 dev_info(dev
, "Disabling VxLAN offloads\n");
4690 adapter
->vxlan_port_count
++;
4694 if (adapter
->vxlan_port_count
++ >= 1)
4697 status
= be_cmd_manage_iface(adapter
, adapter
->if_handle
,
4698 OP_CONVERT_NORMAL_TO_TUNNEL
);
4700 dev_warn(dev
, "Failed to convert normal interface to tunnel\n");
4704 status
= be_cmd_set_vxlan_port(adapter
, port
);
4706 dev_warn(dev
, "Failed to add VxLAN port\n");
4709 adapter
->flags
|= BE_FLAGS_VXLAN_OFFLOADS
;
4710 adapter
->vxlan_port
= port
;
4712 netdev
->hw_enc_features
|= NETIF_F_IP_CSUM
| NETIF_F_IPV6_CSUM
|
4713 NETIF_F_TSO
| NETIF_F_TSO6
|
4714 NETIF_F_GSO_UDP_TUNNEL
;
4715 netdev
->hw_features
|= NETIF_F_GSO_UDP_TUNNEL
;
4716 netdev
->features
|= NETIF_F_GSO_UDP_TUNNEL
;
4718 dev_info(dev
, "Enabled VxLAN offloads for UDP port %d\n",
4722 be_disable_vxlan_offloads(adapter
);
4725 static void be_del_vxlan_port(struct net_device
*netdev
, sa_family_t sa_family
,
4728 struct be_adapter
*adapter
= netdev_priv(netdev
);
4730 if (lancer_chip(adapter
) || BEx_chip(adapter
))
4733 if (adapter
->vxlan_port
!= port
)
4736 be_disable_vxlan_offloads(adapter
);
4738 dev_info(&adapter
->pdev
->dev
,
4739 "Disabled VxLAN offloads for UDP port %d\n",
4742 adapter
->vxlan_port_count
--;
4745 static netdev_features_t
be_features_check(struct sk_buff
*skb
,
4746 struct net_device
*dev
,
4747 netdev_features_t features
)
4749 struct be_adapter
*adapter
= netdev_priv(dev
);
4752 /* The code below restricts offload features for some tunneled packets.
4753 * Offload features for normal (non tunnel) packets are unchanged.
4755 if (!skb
->encapsulation
||
4756 !(adapter
->flags
& BE_FLAGS_VXLAN_OFFLOADS
))
4759 /* It's an encapsulated packet and VxLAN offloads are enabled. We
4760 * should disable tunnel offload features if it's not a VxLAN packet,
4761 * as tunnel offloads have been enabled only for VxLAN. This is done to
4762 * allow other tunneled traffic like GRE work fine while VxLAN
4763 * offloads are configured in Skyhawk-R.
4765 switch (vlan_get_protocol(skb
)) {
4766 case htons(ETH_P_IP
):
4767 l4_hdr
= ip_hdr(skb
)->protocol
;
4769 case htons(ETH_P_IPV6
):
4770 l4_hdr
= ipv6_hdr(skb
)->nexthdr
;
4776 if (l4_hdr
!= IPPROTO_UDP
||
4777 skb
->inner_protocol_type
!= ENCAP_TYPE_ETHER
||
4778 skb
->inner_protocol
!= htons(ETH_P_TEB
) ||
4779 skb_inner_mac_header(skb
) - skb_transport_header(skb
) !=
4780 sizeof(struct udphdr
) + sizeof(struct vxlanhdr
))
4781 return features
& ~(NETIF_F_ALL_CSUM
| NETIF_F_GSO_MASK
);
4787 static const struct net_device_ops be_netdev_ops
= {
4788 .ndo_open
= be_open
,
4789 .ndo_stop
= be_close
,
4790 .ndo_start_xmit
= be_xmit
,
4791 .ndo_set_rx_mode
= be_set_rx_mode
,
4792 .ndo_set_mac_address
= be_mac_addr_set
,
4793 .ndo_change_mtu
= be_change_mtu
,
4794 .ndo_get_stats64
= be_get_stats64
,
4795 .ndo_validate_addr
= eth_validate_addr
,
4796 .ndo_vlan_rx_add_vid
= be_vlan_add_vid
,
4797 .ndo_vlan_rx_kill_vid
= be_vlan_rem_vid
,
4798 .ndo_set_vf_mac
= be_set_vf_mac
,
4799 .ndo_set_vf_vlan
= be_set_vf_vlan
,
4800 .ndo_set_vf_rate
= be_set_vf_tx_rate
,
4801 .ndo_get_vf_config
= be_get_vf_config
,
4802 .ndo_set_vf_link_state
= be_set_vf_link_state
,
4803 #ifdef CONFIG_NET_POLL_CONTROLLER
4804 .ndo_poll_controller
= be_netpoll
,
4806 .ndo_bridge_setlink
= be_ndo_bridge_setlink
,
4807 .ndo_bridge_getlink
= be_ndo_bridge_getlink
,
4808 #ifdef CONFIG_NET_RX_BUSY_POLL
4809 .ndo_busy_poll
= be_busy_poll
,
4811 #ifdef CONFIG_BE2NET_VXLAN
4812 .ndo_add_vxlan_port
= be_add_vxlan_port
,
4813 .ndo_del_vxlan_port
= be_del_vxlan_port
,
4814 .ndo_features_check
= be_features_check
,
4818 static void be_netdev_init(struct net_device
*netdev
)
4820 struct be_adapter
*adapter
= netdev_priv(netdev
);
4822 netdev
->hw_features
|= NETIF_F_SG
| NETIF_F_TSO
| NETIF_F_TSO6
|
4823 NETIF_F_IP_CSUM
| NETIF_F_IPV6_CSUM
| NETIF_F_RXCSUM
|
4824 NETIF_F_HW_VLAN_CTAG_TX
;
4825 if (be_multi_rxq(adapter
))
4826 netdev
->hw_features
|= NETIF_F_RXHASH
;
4828 netdev
->features
|= netdev
->hw_features
|
4829 NETIF_F_HW_VLAN_CTAG_RX
| NETIF_F_HW_VLAN_CTAG_FILTER
;
4831 netdev
->vlan_features
|= NETIF_F_SG
| NETIF_F_TSO
| NETIF_F_TSO6
|
4832 NETIF_F_IP_CSUM
| NETIF_F_IPV6_CSUM
;
4834 netdev
->priv_flags
|= IFF_UNICAST_FLT
;
4836 netdev
->flags
|= IFF_MULTICAST
;
4838 netif_set_gso_max_size(netdev
, 65535 - ETH_HLEN
);
4840 netdev
->netdev_ops
= &be_netdev_ops
;
4842 netdev
->ethtool_ops
= &be_ethtool_ops
;
4845 static void be_unmap_pci_bars(struct be_adapter
*adapter
)
4848 pci_iounmap(adapter
->pdev
, adapter
->csr
);
4850 pci_iounmap(adapter
->pdev
, adapter
->db
);
4853 static int db_bar(struct be_adapter
*adapter
)
4855 if (lancer_chip(adapter
) || !be_physfn(adapter
))
4861 static int be_roce_map_pci_bars(struct be_adapter
*adapter
)
4863 if (skyhawk_chip(adapter
)) {
4864 adapter
->roce_db
.size
= 4096;
4865 adapter
->roce_db
.io_addr
= pci_resource_start(adapter
->pdev
,
4867 adapter
->roce_db
.total_size
= pci_resource_len(adapter
->pdev
,
4873 static int be_map_pci_bars(struct be_adapter
*adapter
)
4875 struct pci_dev
*pdev
= adapter
->pdev
;
4878 if (BEx_chip(adapter
) && be_physfn(adapter
)) {
4879 adapter
->csr
= pci_iomap(pdev
, 2, 0);
4884 addr
= pci_iomap(pdev
, db_bar(adapter
), 0);
4889 if (skyhawk_chip(adapter
) || BEx_chip(adapter
)) {
4890 if (be_physfn(adapter
)) {
4891 /* PCICFG is the 2nd BAR in BE2 */
4892 addr
= pci_iomap(pdev
, BE2_chip(adapter
) ? 1 : 0, 0);
4895 adapter
->pcicfg
= addr
;
4897 adapter
->pcicfg
= adapter
->db
+ SRIOV_VF_PCICFG_OFFSET
;
4901 be_roce_map_pci_bars(adapter
);
4905 dev_err(&pdev
->dev
, "Error in mapping PCI BARs\n");
4906 be_unmap_pci_bars(adapter
);
4910 static void be_ctrl_cleanup(struct be_adapter
*adapter
)
4912 struct be_dma_mem
*mem
= &adapter
->mbox_mem_alloced
;
4914 be_unmap_pci_bars(adapter
);
4917 dma_free_coherent(&adapter
->pdev
->dev
, mem
->size
, mem
->va
,
4920 mem
= &adapter
->rx_filter
;
4922 dma_free_coherent(&adapter
->pdev
->dev
, mem
->size
, mem
->va
,
4926 static int be_ctrl_init(struct be_adapter
*adapter
)
4928 struct be_dma_mem
*mbox_mem_alloc
= &adapter
->mbox_mem_alloced
;
4929 struct be_dma_mem
*mbox_mem_align
= &adapter
->mbox_mem
;
4930 struct be_dma_mem
*rx_filter
= &adapter
->rx_filter
;
4934 pci_read_config_dword(adapter
->pdev
, SLI_INTF_REG_OFFSET
, &sli_intf
);
4935 adapter
->sli_family
= (sli_intf
& SLI_INTF_FAMILY_MASK
) >>
4936 SLI_INTF_FAMILY_SHIFT
;
4937 adapter
->virtfn
= (sli_intf
& SLI_INTF_FT_MASK
) ? 1 : 0;
4939 status
= be_map_pci_bars(adapter
);
4943 mbox_mem_alloc
->size
= sizeof(struct be_mcc_mailbox
) + 16;
4944 mbox_mem_alloc
->va
= dma_alloc_coherent(&adapter
->pdev
->dev
,
4945 mbox_mem_alloc
->size
,
4946 &mbox_mem_alloc
->dma
,
4948 if (!mbox_mem_alloc
->va
) {
4950 goto unmap_pci_bars
;
4952 mbox_mem_align
->size
= sizeof(struct be_mcc_mailbox
);
4953 mbox_mem_align
->va
= PTR_ALIGN(mbox_mem_alloc
->va
, 16);
4954 mbox_mem_align
->dma
= PTR_ALIGN(mbox_mem_alloc
->dma
, 16);
4955 memset(mbox_mem_align
->va
, 0, sizeof(struct be_mcc_mailbox
));
4957 rx_filter
->size
= sizeof(struct be_cmd_req_rx_filter
);
4958 rx_filter
->va
= dma_zalloc_coherent(&adapter
->pdev
->dev
,
4959 rx_filter
->size
, &rx_filter
->dma
,
4961 if (!rx_filter
->va
) {
4966 mutex_init(&adapter
->mbox_lock
);
4967 spin_lock_init(&adapter
->mcc_lock
);
4968 spin_lock_init(&adapter
->mcc_cq_lock
);
4970 init_completion(&adapter
->et_cmd_compl
);
4971 pci_save_state(adapter
->pdev
);
4975 dma_free_coherent(&adapter
->pdev
->dev
, mbox_mem_alloc
->size
,
4976 mbox_mem_alloc
->va
, mbox_mem_alloc
->dma
);
4979 be_unmap_pci_bars(adapter
);
4985 static void be_stats_cleanup(struct be_adapter
*adapter
)
4987 struct be_dma_mem
*cmd
= &adapter
->stats_cmd
;
4990 dma_free_coherent(&adapter
->pdev
->dev
, cmd
->size
,
4994 static int be_stats_init(struct be_adapter
*adapter
)
4996 struct be_dma_mem
*cmd
= &adapter
->stats_cmd
;
4998 if (lancer_chip(adapter
))
4999 cmd
->size
= sizeof(struct lancer_cmd_req_pport_stats
);
5000 else if (BE2_chip(adapter
))
5001 cmd
->size
= sizeof(struct be_cmd_req_get_stats_v0
);
5002 else if (BE3_chip(adapter
))
5003 cmd
->size
= sizeof(struct be_cmd_req_get_stats_v1
);
5005 /* ALL non-BE ASICs */
5006 cmd
->size
= sizeof(struct be_cmd_req_get_stats_v2
);
5008 cmd
->va
= dma_zalloc_coherent(&adapter
->pdev
->dev
, cmd
->size
, &cmd
->dma
,
5015 static void be_remove(struct pci_dev
*pdev
)
5017 struct be_adapter
*adapter
= pci_get_drvdata(pdev
);
5022 be_roce_dev_remove(adapter
);
5023 be_intr_set(adapter
, false);
5025 cancel_delayed_work_sync(&adapter
->func_recovery_work
);
5027 unregister_netdev(adapter
->netdev
);
5031 /* tell fw we're done with firing cmds */
5032 be_cmd_fw_clean(adapter
);
5034 be_stats_cleanup(adapter
);
5036 be_ctrl_cleanup(adapter
);
5038 pci_disable_pcie_error_reporting(pdev
);
5040 pci_release_regions(pdev
);
5041 pci_disable_device(pdev
);
5043 free_netdev(adapter
->netdev
);
5046 static int be_get_initial_config(struct be_adapter
*adapter
)
5050 status
= be_cmd_get_cntl_attributes(adapter
);
5054 /* Must be a power of 2 or else MODULO will BUG_ON */
5055 adapter
->be_get_temp_freq
= 64;
5057 if (BEx_chip(adapter
)) {
5058 level
= be_cmd_get_fw_log_level(adapter
);
5059 adapter
->msg_enable
=
5060 level
<= FW_LOG_LEVEL_DEFAULT
? NETIF_MSG_HW
: 0;
5063 adapter
->cfg_num_qs
= netif_get_num_default_rss_queues();
5067 static int lancer_recover_func(struct be_adapter
*adapter
)
5069 struct device
*dev
= &adapter
->pdev
->dev
;
5072 status
= lancer_test_and_set_rdy_state(adapter
);
5076 if (netif_running(adapter
->netdev
))
5077 be_close(adapter
->netdev
);
5081 be_clear_all_error(adapter
);
5083 status
= be_setup(adapter
);
5087 if (netif_running(adapter
->netdev
)) {
5088 status
= be_open(adapter
->netdev
);
5093 dev_err(dev
, "Adapter recovery successful\n");
5096 if (status
== -EAGAIN
)
5097 dev_err(dev
, "Waiting for resource provisioning\n");
5099 dev_err(dev
, "Adapter recovery failed\n");
5104 static void be_func_recovery_task(struct work_struct
*work
)
5106 struct be_adapter
*adapter
=
5107 container_of(work
, struct be_adapter
, func_recovery_work
.work
);
5110 be_detect_error(adapter
);
5112 if (adapter
->hw_error
&& lancer_chip(adapter
)) {
5114 netif_device_detach(adapter
->netdev
);
5117 status
= lancer_recover_func(adapter
);
5119 netif_device_attach(adapter
->netdev
);
5122 /* In Lancer, for all errors other than provisioning error (-EAGAIN),
5123 * no need to attempt further recovery.
5125 if (!status
|| status
== -EAGAIN
)
5126 schedule_delayed_work(&adapter
->func_recovery_work
,
5127 msecs_to_jiffies(1000));
5130 static void be_log_sfp_info(struct be_adapter
*adapter
)
5134 status
= be_cmd_query_sfp_info(adapter
);
5136 dev_err(&adapter
->pdev
->dev
,
5137 "Unqualified SFP+ detected on %c from %s part no: %s",
5138 adapter
->port_name
, adapter
->phy
.vendor_name
,
5139 adapter
->phy
.vendor_pn
);
5141 adapter
->flags
&= ~BE_FLAGS_EVT_INCOMPATIBLE_SFP
;
5144 static void be_worker(struct work_struct
*work
)
5146 struct be_adapter
*adapter
=
5147 container_of(work
, struct be_adapter
, work
.work
);
5148 struct be_rx_obj
*rxo
;
5151 /* when interrupts are not yet enabled, just reap any pending
5152 * mcc completions */
5153 if (!netif_running(adapter
->netdev
)) {
5155 be_process_mcc(adapter
);
5160 if (!adapter
->stats_cmd_sent
) {
5161 if (lancer_chip(adapter
))
5162 lancer_cmd_get_pport_stats(adapter
,
5163 &adapter
->stats_cmd
);
5165 be_cmd_get_stats(adapter
, &adapter
->stats_cmd
);
5168 if (be_physfn(adapter
) &&
5169 MODULO(adapter
->work_counter
, adapter
->be_get_temp_freq
) == 0)
5170 be_cmd_get_die_temperature(adapter
);
5172 for_all_rx_queues(adapter
, rxo
, i
) {
5173 /* Replenish RX-queues starved due to memory
5174 * allocation failures.
5176 if (rxo
->rx_post_starved
)
5177 be_post_rx_frags(rxo
, GFP_KERNEL
, MAX_RX_POST
);
5180 be_eqd_update(adapter
);
5182 if (adapter
->flags
& BE_FLAGS_EVT_INCOMPATIBLE_SFP
)
5183 be_log_sfp_info(adapter
);
5186 adapter
->work_counter
++;
5187 schedule_delayed_work(&adapter
->work
, msecs_to_jiffies(1000));
5190 /* If any VFs are already enabled don't FLR the PF */
5191 static bool be_reset_required(struct be_adapter
*adapter
)
5193 return pci_num_vf(adapter
->pdev
) ? false : true;
5196 static char *mc_name(struct be_adapter
*adapter
)
5198 char *str
= ""; /* default */
5200 switch (adapter
->mc_type
) {
5226 static inline char *func_name(struct be_adapter
*adapter
)
5228 return be_physfn(adapter
) ? "PF" : "VF";
5231 static inline char *nic_name(struct pci_dev
*pdev
)
5233 switch (pdev
->device
) {
5240 return OC_NAME_LANCER
;
5251 static int be_probe(struct pci_dev
*pdev
, const struct pci_device_id
*pdev_id
)
5253 struct be_adapter
*adapter
;
5254 struct net_device
*netdev
;
5257 dev_info(&pdev
->dev
, "%s version is %s\n", DRV_NAME
, DRV_VER
);
5259 status
= pci_enable_device(pdev
);
5263 status
= pci_request_regions(pdev
, DRV_NAME
);
5266 pci_set_master(pdev
);
5268 netdev
= alloc_etherdev_mqs(sizeof(*adapter
), MAX_TX_QS
, MAX_RX_QS
);
5273 adapter
= netdev_priv(netdev
);
5274 adapter
->pdev
= pdev
;
5275 pci_set_drvdata(pdev
, adapter
);
5276 adapter
->netdev
= netdev
;
5277 SET_NETDEV_DEV(netdev
, &pdev
->dev
);
5279 status
= dma_set_mask_and_coherent(&pdev
->dev
, DMA_BIT_MASK(64));
5281 netdev
->features
|= NETIF_F_HIGHDMA
;
5283 status
= dma_set_mask_and_coherent(&pdev
->dev
, DMA_BIT_MASK(32));
5285 dev_err(&pdev
->dev
, "Could not set PCI DMA Mask\n");
5290 status
= pci_enable_pcie_error_reporting(pdev
);
5292 dev_info(&pdev
->dev
, "PCIe error reporting enabled\n");
5294 status
= be_ctrl_init(adapter
);
5298 /* sync up with fw's ready state */
5299 if (be_physfn(adapter
)) {
5300 status
= be_fw_wait_ready(adapter
);
5305 if (be_reset_required(adapter
)) {
5306 status
= be_cmd_reset_function(adapter
);
5310 /* Wait for interrupts to quiesce after an FLR */
5314 /* Allow interrupts for other ULPs running on NIC function */
5315 be_intr_set(adapter
, true);
5317 /* tell fw we're ready to fire cmds */
5318 status
= be_cmd_fw_init(adapter
);
5322 status
= be_stats_init(adapter
);
5326 status
= be_get_initial_config(adapter
);
5330 INIT_DELAYED_WORK(&adapter
->work
, be_worker
);
5331 INIT_DELAYED_WORK(&adapter
->func_recovery_work
, be_func_recovery_task
);
5332 adapter
->rx_fc
= true;
5333 adapter
->tx_fc
= true;
5335 status
= be_setup(adapter
);
5339 be_netdev_init(netdev
);
5340 status
= register_netdev(netdev
);
5344 be_roce_dev_add(adapter
);
5346 schedule_delayed_work(&adapter
->func_recovery_work
,
5347 msecs_to_jiffies(1000));
5349 dev_info(&pdev
->dev
, "%s: %s %s port %c\n", nic_name(pdev
),
5350 func_name(adapter
), mc_name(adapter
), adapter
->port_name
);
5357 be_stats_cleanup(adapter
);
5359 be_ctrl_cleanup(adapter
);
5361 free_netdev(netdev
);
5363 pci_release_regions(pdev
);
5365 pci_disable_device(pdev
);
5367 dev_err(&pdev
->dev
, "%s initialization failed\n", nic_name(pdev
));
5371 static int be_suspend(struct pci_dev
*pdev
, pm_message_t state
)
5373 struct be_adapter
*adapter
= pci_get_drvdata(pdev
);
5374 struct net_device
*netdev
= adapter
->netdev
;
5376 if (adapter
->wol_en
)
5377 be_setup_wol(adapter
, true);
5379 be_intr_set(adapter
, false);
5380 cancel_delayed_work_sync(&adapter
->func_recovery_work
);
5382 netif_device_detach(netdev
);
5383 if (netif_running(netdev
)) {
5390 pci_save_state(pdev
);
5391 pci_disable_device(pdev
);
5392 pci_set_power_state(pdev
, pci_choose_state(pdev
, state
));
5396 static int be_resume(struct pci_dev
*pdev
)
5399 struct be_adapter
*adapter
= pci_get_drvdata(pdev
);
5400 struct net_device
*netdev
= adapter
->netdev
;
5402 netif_device_detach(netdev
);
5404 status
= pci_enable_device(pdev
);
5408 pci_set_power_state(pdev
, PCI_D0
);
5409 pci_restore_state(pdev
);
5411 status
= be_fw_wait_ready(adapter
);
5415 status
= be_cmd_reset_function(adapter
);
5419 be_intr_set(adapter
, true);
5420 /* tell fw we're ready to fire cmds */
5421 status
= be_cmd_fw_init(adapter
);
5426 if (netif_running(netdev
)) {
5432 schedule_delayed_work(&adapter
->func_recovery_work
,
5433 msecs_to_jiffies(1000));
5434 netif_device_attach(netdev
);
5436 if (adapter
->wol_en
)
5437 be_setup_wol(adapter
, false);
5443 * An FLR will stop BE from DMAing any data.
5445 static void be_shutdown(struct pci_dev
*pdev
)
5447 struct be_adapter
*adapter
= pci_get_drvdata(pdev
);
5452 be_roce_dev_shutdown(adapter
);
5453 cancel_delayed_work_sync(&adapter
->work
);
5454 cancel_delayed_work_sync(&adapter
->func_recovery_work
);
5456 netif_device_detach(adapter
->netdev
);
5458 be_cmd_reset_function(adapter
);
5460 pci_disable_device(pdev
);
5463 static pci_ers_result_t
be_eeh_err_detected(struct pci_dev
*pdev
,
5464 pci_channel_state_t state
)
5466 struct be_adapter
*adapter
= pci_get_drvdata(pdev
);
5467 struct net_device
*netdev
= adapter
->netdev
;
5469 dev_err(&adapter
->pdev
->dev
, "EEH error detected\n");
5471 if (!adapter
->eeh_error
) {
5472 adapter
->eeh_error
= true;
5474 cancel_delayed_work_sync(&adapter
->func_recovery_work
);
5477 netif_device_detach(netdev
);
5478 if (netif_running(netdev
))
5485 if (state
== pci_channel_io_perm_failure
)
5486 return PCI_ERS_RESULT_DISCONNECT
;
5488 pci_disable_device(pdev
);
5490 /* The error could cause the FW to trigger a flash debug dump.
5491 * Resetting the card while flash dump is in progress
5492 * can cause it not to recover; wait for it to finish.
5493 * Wait only for first function as it is needed only once per
5496 if (pdev
->devfn
== 0)
5499 return PCI_ERS_RESULT_NEED_RESET
;
5502 static pci_ers_result_t
be_eeh_reset(struct pci_dev
*pdev
)
5504 struct be_adapter
*adapter
= pci_get_drvdata(pdev
);
5507 dev_info(&adapter
->pdev
->dev
, "EEH reset\n");
5509 status
= pci_enable_device(pdev
);
5511 return PCI_ERS_RESULT_DISCONNECT
;
5513 pci_set_master(pdev
);
5514 pci_set_power_state(pdev
, PCI_D0
);
5515 pci_restore_state(pdev
);
5517 /* Check if card is ok and fw is ready */
5518 dev_info(&adapter
->pdev
->dev
,
5519 "Waiting for FW to be ready after EEH reset\n");
5520 status
= be_fw_wait_ready(adapter
);
5522 return PCI_ERS_RESULT_DISCONNECT
;
5524 pci_cleanup_aer_uncorrect_error_status(pdev
);
5525 be_clear_all_error(adapter
);
5526 return PCI_ERS_RESULT_RECOVERED
;
5529 static void be_eeh_resume(struct pci_dev
*pdev
)
5532 struct be_adapter
*adapter
= pci_get_drvdata(pdev
);
5533 struct net_device
*netdev
= adapter
->netdev
;
5535 dev_info(&adapter
->pdev
->dev
, "EEH resume\n");
5537 pci_save_state(pdev
);
5539 status
= be_cmd_reset_function(adapter
);
5543 /* On some BE3 FW versions, after a HW reset,
5544 * interrupts will remain disabled for each function.
5545 * So, explicitly enable interrupts
5547 be_intr_set(adapter
, true);
5549 /* tell fw we're ready to fire cmds */
5550 status
= be_cmd_fw_init(adapter
);
5554 status
= be_setup(adapter
);
5558 if (netif_running(netdev
)) {
5559 status
= be_open(netdev
);
5564 schedule_delayed_work(&adapter
->func_recovery_work
,
5565 msecs_to_jiffies(1000));
5566 netif_device_attach(netdev
);
5569 dev_err(&adapter
->pdev
->dev
, "EEH resume failed\n");
5572 static const struct pci_error_handlers be_eeh_handlers
= {
5573 .error_detected
= be_eeh_err_detected
,
5574 .slot_reset
= be_eeh_reset
,
5575 .resume
= be_eeh_resume
,
5578 static struct pci_driver be_driver
= {
5580 .id_table
= be_dev_ids
,
5582 .remove
= be_remove
,
5583 .suspend
= be_suspend
,
5584 .resume
= be_resume
,
5585 .shutdown
= be_shutdown
,
5586 .err_handler
= &be_eeh_handlers
5589 static int __init
be_init_module(void)
5591 if (rx_frag_size
!= 8192 && rx_frag_size
!= 4096 &&
5592 rx_frag_size
!= 2048) {
5593 printk(KERN_WARNING DRV_NAME
5594 " : Module param rx_frag_size must be 2048/4096/8192."
5596 rx_frag_size
= 2048;
5599 return pci_register_driver(&be_driver
);
5601 module_init(be_init_module
);
5603 static void __exit
be_exit_module(void)
5605 pci_unregister_driver(&be_driver
);
5607 module_exit(be_exit_module
);