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
);
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_vlan(struct net_device
*netdev
, int vf
, u16 vlan
, u8 qos
)
1385 struct be_adapter
*adapter
= netdev_priv(netdev
);
1386 struct be_vf_cfg
*vf_cfg
= &adapter
->vf_cfg
[vf
];
1389 if (!sriov_enabled(adapter
))
1392 if (vf
>= adapter
->num_vfs
|| vlan
> 4095 || qos
> 7)
1396 vlan
|= qos
<< VLAN_PRIO_SHIFT
;
1397 if (vf_cfg
->vlan_tag
!= vlan
)
1398 status
= be_cmd_set_hsw_config(adapter
, vlan
, vf
+ 1,
1399 vf_cfg
->if_handle
, 0);
1401 /* Reset Transparent Vlan Tagging. */
1402 status
= be_cmd_set_hsw_config(adapter
, BE_RESET_VLAN_TAG_ID
,
1403 vf
+ 1, vf_cfg
->if_handle
, 0);
1407 dev_err(&adapter
->pdev
->dev
,
1408 "VLAN %d config on VF %d failed : %#x\n", vlan
,
1410 return be_cmd_status(status
);
1413 vf_cfg
->vlan_tag
= vlan
;
1418 static int be_set_vf_tx_rate(struct net_device
*netdev
, int vf
,
1419 int min_tx_rate
, int max_tx_rate
)
1421 struct be_adapter
*adapter
= netdev_priv(netdev
);
1422 struct device
*dev
= &adapter
->pdev
->dev
;
1423 int percent_rate
, status
= 0;
1427 if (!sriov_enabled(adapter
))
1430 if (vf
>= adapter
->num_vfs
)
1439 status
= be_cmd_link_status_query(adapter
, &link_speed
,
1445 dev_err(dev
, "TX-rate setting not allowed when link is down\n");
1450 if (max_tx_rate
< 100 || max_tx_rate
> link_speed
) {
1451 dev_err(dev
, "TX-rate must be between 100 and %d Mbps\n",
1457 /* On Skyhawk the QOS setting must be done only as a % value */
1458 percent_rate
= link_speed
/ 100;
1459 if (skyhawk_chip(adapter
) && (max_tx_rate
% percent_rate
)) {
1460 dev_err(dev
, "TX-rate must be a multiple of %d Mbps\n",
1467 status
= be_cmd_config_qos(adapter
, max_tx_rate
, link_speed
, vf
+ 1);
1471 adapter
->vf_cfg
[vf
].tx_rate
= max_tx_rate
;
1475 dev_err(dev
, "TX-rate setting of %dMbps on VF%d failed\n",
1477 return be_cmd_status(status
);
1480 static int be_set_vf_link_state(struct net_device
*netdev
, int vf
,
1483 struct be_adapter
*adapter
= netdev_priv(netdev
);
1486 if (!sriov_enabled(adapter
))
1489 if (vf
>= adapter
->num_vfs
)
1492 status
= be_cmd_set_logical_link_config(adapter
, link_state
, vf
+1);
1494 dev_err(&adapter
->pdev
->dev
,
1495 "Link state change on VF %d failed: %#x\n", vf
, status
);
1496 return be_cmd_status(status
);
1499 adapter
->vf_cfg
[vf
].plink_tracking
= link_state
;
1504 static void be_aic_update(struct be_aic_obj
*aic
, u64 rx_pkts
, u64 tx_pkts
,
1507 aic
->rx_pkts_prev
= rx_pkts
;
1508 aic
->tx_reqs_prev
= tx_pkts
;
1512 static void be_eqd_update(struct be_adapter
*adapter
)
1514 struct be_set_eqd set_eqd
[MAX_EVT_QS
];
1515 int eqd
, i
, num
= 0, start
;
1516 struct be_aic_obj
*aic
;
1517 struct be_eq_obj
*eqo
;
1518 struct be_rx_obj
*rxo
;
1519 struct be_tx_obj
*txo
;
1520 u64 rx_pkts
, tx_pkts
;
1524 for_all_evt_queues(adapter
, eqo
, i
) {
1525 aic
= &adapter
->aic_obj
[eqo
->idx
];
1533 rxo
= &adapter
->rx_obj
[eqo
->idx
];
1535 start
= u64_stats_fetch_begin_irq(&rxo
->stats
.sync
);
1536 rx_pkts
= rxo
->stats
.rx_pkts
;
1537 } while (u64_stats_fetch_retry_irq(&rxo
->stats
.sync
, start
));
1539 txo
= &adapter
->tx_obj
[eqo
->idx
];
1541 start
= u64_stats_fetch_begin_irq(&txo
->stats
.sync
);
1542 tx_pkts
= txo
->stats
.tx_reqs
;
1543 } while (u64_stats_fetch_retry_irq(&txo
->stats
.sync
, start
));
1545 /* Skip, if wrapped around or first calculation */
1547 if (!aic
->jiffies
|| time_before(now
, aic
->jiffies
) ||
1548 rx_pkts
< aic
->rx_pkts_prev
||
1549 tx_pkts
< aic
->tx_reqs_prev
) {
1550 be_aic_update(aic
, rx_pkts
, tx_pkts
, now
);
1554 delta
= jiffies_to_msecs(now
- aic
->jiffies
);
1555 pps
= (((u32
)(rx_pkts
- aic
->rx_pkts_prev
) * 1000) / delta
) +
1556 (((u32
)(tx_pkts
- aic
->tx_reqs_prev
) * 1000) / delta
);
1557 eqd
= (pps
/ 15000) << 2;
1561 eqd
= min_t(u32
, eqd
, aic
->max_eqd
);
1562 eqd
= max_t(u32
, eqd
, aic
->min_eqd
);
1564 be_aic_update(aic
, rx_pkts
, tx_pkts
, now
);
1566 if (eqd
!= aic
->prev_eqd
) {
1567 set_eqd
[num
].delay_multiplier
= (eqd
* 65)/100;
1568 set_eqd
[num
].eq_id
= eqo
->q
.id
;
1569 aic
->prev_eqd
= eqd
;
1575 be_cmd_modify_eqd(adapter
, set_eqd
, num
);
1578 static void be_rx_stats_update(struct be_rx_obj
*rxo
,
1579 struct be_rx_compl_info
*rxcp
)
1581 struct be_rx_stats
*stats
= rx_stats(rxo
);
1583 u64_stats_update_begin(&stats
->sync
);
1585 stats
->rx_bytes
+= rxcp
->pkt_size
;
1587 if (rxcp
->pkt_type
== BE_MULTICAST_PACKET
)
1588 stats
->rx_mcast_pkts
++;
1590 stats
->rx_compl_err
++;
1591 u64_stats_update_end(&stats
->sync
);
1594 static inline bool csum_passed(struct be_rx_compl_info
*rxcp
)
1596 /* L4 checksum is not reliable for non TCP/UDP packets.
1597 * Also ignore ipcksm for ipv6 pkts
1599 return (rxcp
->tcpf
|| rxcp
->udpf
) && rxcp
->l4_csum
&&
1600 (rxcp
->ip_csum
|| rxcp
->ipv6
) && !rxcp
->err
;
1603 static struct be_rx_page_info
*get_rx_page_info(struct be_rx_obj
*rxo
)
1605 struct be_adapter
*adapter
= rxo
->adapter
;
1606 struct be_rx_page_info
*rx_page_info
;
1607 struct be_queue_info
*rxq
= &rxo
->q
;
1608 u16 frag_idx
= rxq
->tail
;
1610 rx_page_info
= &rxo
->page_info_tbl
[frag_idx
];
1611 BUG_ON(!rx_page_info
->page
);
1613 if (rx_page_info
->last_frag
) {
1614 dma_unmap_page(&adapter
->pdev
->dev
,
1615 dma_unmap_addr(rx_page_info
, bus
),
1616 adapter
->big_page_size
, DMA_FROM_DEVICE
);
1617 rx_page_info
->last_frag
= false;
1619 dma_sync_single_for_cpu(&adapter
->pdev
->dev
,
1620 dma_unmap_addr(rx_page_info
, bus
),
1621 rx_frag_size
, DMA_FROM_DEVICE
);
1624 queue_tail_inc(rxq
);
1625 atomic_dec(&rxq
->used
);
1626 return rx_page_info
;
1629 /* Throwaway the data in the Rx completion */
1630 static void be_rx_compl_discard(struct be_rx_obj
*rxo
,
1631 struct be_rx_compl_info
*rxcp
)
1633 struct be_rx_page_info
*page_info
;
1634 u16 i
, num_rcvd
= rxcp
->num_rcvd
;
1636 for (i
= 0; i
< num_rcvd
; i
++) {
1637 page_info
= get_rx_page_info(rxo
);
1638 put_page(page_info
->page
);
1639 memset(page_info
, 0, sizeof(*page_info
));
1644 * skb_fill_rx_data forms a complete skb for an ether frame
1645 * indicated by rxcp.
1647 static void skb_fill_rx_data(struct be_rx_obj
*rxo
, struct sk_buff
*skb
,
1648 struct be_rx_compl_info
*rxcp
)
1650 struct be_rx_page_info
*page_info
;
1652 u16 hdr_len
, curr_frag_len
, remaining
;
1655 page_info
= get_rx_page_info(rxo
);
1656 start
= page_address(page_info
->page
) + page_info
->page_offset
;
1659 /* Copy data in the first descriptor of this completion */
1660 curr_frag_len
= min(rxcp
->pkt_size
, rx_frag_size
);
1662 skb
->len
= curr_frag_len
;
1663 if (curr_frag_len
<= BE_HDR_LEN
) { /* tiny packet */
1664 memcpy(skb
->data
, start
, curr_frag_len
);
1665 /* Complete packet has now been moved to data */
1666 put_page(page_info
->page
);
1668 skb
->tail
+= curr_frag_len
;
1671 memcpy(skb
->data
, start
, hdr_len
);
1672 skb_shinfo(skb
)->nr_frags
= 1;
1673 skb_frag_set_page(skb
, 0, page_info
->page
);
1674 skb_shinfo(skb
)->frags
[0].page_offset
=
1675 page_info
->page_offset
+ hdr_len
;
1676 skb_frag_size_set(&skb_shinfo(skb
)->frags
[0],
1677 curr_frag_len
- hdr_len
);
1678 skb
->data_len
= curr_frag_len
- hdr_len
;
1679 skb
->truesize
+= rx_frag_size
;
1680 skb
->tail
+= hdr_len
;
1682 page_info
->page
= NULL
;
1684 if (rxcp
->pkt_size
<= rx_frag_size
) {
1685 BUG_ON(rxcp
->num_rcvd
!= 1);
1689 /* More frags present for this completion */
1690 remaining
= rxcp
->pkt_size
- curr_frag_len
;
1691 for (i
= 1, j
= 0; i
< rxcp
->num_rcvd
; i
++) {
1692 page_info
= get_rx_page_info(rxo
);
1693 curr_frag_len
= min(remaining
, rx_frag_size
);
1695 /* Coalesce all frags from the same physical page in one slot */
1696 if (page_info
->page_offset
== 0) {
1699 skb_frag_set_page(skb
, j
, page_info
->page
);
1700 skb_shinfo(skb
)->frags
[j
].page_offset
=
1701 page_info
->page_offset
;
1702 skb_frag_size_set(&skb_shinfo(skb
)->frags
[j
], 0);
1703 skb_shinfo(skb
)->nr_frags
++;
1705 put_page(page_info
->page
);
1708 skb_frag_size_add(&skb_shinfo(skb
)->frags
[j
], curr_frag_len
);
1709 skb
->len
+= curr_frag_len
;
1710 skb
->data_len
+= curr_frag_len
;
1711 skb
->truesize
+= rx_frag_size
;
1712 remaining
-= curr_frag_len
;
1713 page_info
->page
= NULL
;
1715 BUG_ON(j
> MAX_SKB_FRAGS
);
1718 /* Process the RX completion indicated by rxcp when GRO is disabled */
1719 static void be_rx_compl_process(struct be_rx_obj
*rxo
, struct napi_struct
*napi
,
1720 struct be_rx_compl_info
*rxcp
)
1722 struct be_adapter
*adapter
= rxo
->adapter
;
1723 struct net_device
*netdev
= adapter
->netdev
;
1724 struct sk_buff
*skb
;
1726 skb
= netdev_alloc_skb_ip_align(netdev
, BE_RX_SKB_ALLOC_SIZE
);
1727 if (unlikely(!skb
)) {
1728 rx_stats(rxo
)->rx_drops_no_skbs
++;
1729 be_rx_compl_discard(rxo
, rxcp
);
1733 skb_fill_rx_data(rxo
, skb
, rxcp
);
1735 if (likely((netdev
->features
& NETIF_F_RXCSUM
) && csum_passed(rxcp
)))
1736 skb
->ip_summed
= CHECKSUM_UNNECESSARY
;
1738 skb_checksum_none_assert(skb
);
1740 skb
->protocol
= eth_type_trans(skb
, netdev
);
1741 skb_record_rx_queue(skb
, rxo
- &adapter
->rx_obj
[0]);
1742 if (netdev
->features
& NETIF_F_RXHASH
)
1743 skb_set_hash(skb
, rxcp
->rss_hash
, PKT_HASH_TYPE_L3
);
1745 skb
->csum_level
= rxcp
->tunneled
;
1746 skb_mark_napi_id(skb
, napi
);
1749 __vlan_hwaccel_put_tag(skb
, htons(ETH_P_8021Q
), rxcp
->vlan_tag
);
1751 netif_receive_skb(skb
);
1754 /* Process the RX completion indicated by rxcp when GRO is enabled */
1755 static void be_rx_compl_process_gro(struct be_rx_obj
*rxo
,
1756 struct napi_struct
*napi
,
1757 struct be_rx_compl_info
*rxcp
)
1759 struct be_adapter
*adapter
= rxo
->adapter
;
1760 struct be_rx_page_info
*page_info
;
1761 struct sk_buff
*skb
= NULL
;
1762 u16 remaining
, curr_frag_len
;
1765 skb
= napi_get_frags(napi
);
1767 be_rx_compl_discard(rxo
, rxcp
);
1771 remaining
= rxcp
->pkt_size
;
1772 for (i
= 0, j
= -1; i
< rxcp
->num_rcvd
; i
++) {
1773 page_info
= get_rx_page_info(rxo
);
1775 curr_frag_len
= min(remaining
, rx_frag_size
);
1777 /* Coalesce all frags from the same physical page in one slot */
1778 if (i
== 0 || page_info
->page_offset
== 0) {
1779 /* First frag or Fresh page */
1781 skb_frag_set_page(skb
, j
, page_info
->page
);
1782 skb_shinfo(skb
)->frags
[j
].page_offset
=
1783 page_info
->page_offset
;
1784 skb_frag_size_set(&skb_shinfo(skb
)->frags
[j
], 0);
1786 put_page(page_info
->page
);
1788 skb_frag_size_add(&skb_shinfo(skb
)->frags
[j
], curr_frag_len
);
1789 skb
->truesize
+= rx_frag_size
;
1790 remaining
-= curr_frag_len
;
1791 memset(page_info
, 0, sizeof(*page_info
));
1793 BUG_ON(j
> MAX_SKB_FRAGS
);
1795 skb_shinfo(skb
)->nr_frags
= j
+ 1;
1796 skb
->len
= rxcp
->pkt_size
;
1797 skb
->data_len
= rxcp
->pkt_size
;
1798 skb
->ip_summed
= CHECKSUM_UNNECESSARY
;
1799 skb_record_rx_queue(skb
, rxo
- &adapter
->rx_obj
[0]);
1800 if (adapter
->netdev
->features
& NETIF_F_RXHASH
)
1801 skb_set_hash(skb
, rxcp
->rss_hash
, PKT_HASH_TYPE_L3
);
1803 skb
->csum_level
= rxcp
->tunneled
;
1804 skb_mark_napi_id(skb
, napi
);
1807 __vlan_hwaccel_put_tag(skb
, htons(ETH_P_8021Q
), rxcp
->vlan_tag
);
1809 napi_gro_frags(napi
);
1812 static void be_parse_rx_compl_v1(struct be_eth_rx_compl
*compl,
1813 struct be_rx_compl_info
*rxcp
)
1815 rxcp
->pkt_size
= GET_RX_COMPL_V1_BITS(pktsize
, compl);
1816 rxcp
->vlanf
= GET_RX_COMPL_V1_BITS(vtp
, compl);
1817 rxcp
->err
= GET_RX_COMPL_V1_BITS(err
, compl);
1818 rxcp
->tcpf
= GET_RX_COMPL_V1_BITS(tcpf
, compl);
1819 rxcp
->udpf
= GET_RX_COMPL_V1_BITS(udpf
, compl);
1820 rxcp
->ip_csum
= GET_RX_COMPL_V1_BITS(ipcksm
, compl);
1821 rxcp
->l4_csum
= GET_RX_COMPL_V1_BITS(l4_cksm
, compl);
1822 rxcp
->ipv6
= GET_RX_COMPL_V1_BITS(ip_version
, compl);
1823 rxcp
->num_rcvd
= GET_RX_COMPL_V1_BITS(numfrags
, compl);
1824 rxcp
->pkt_type
= GET_RX_COMPL_V1_BITS(cast_enc
, compl);
1825 rxcp
->rss_hash
= GET_RX_COMPL_V1_BITS(rsshash
, compl);
1827 rxcp
->qnq
= GET_RX_COMPL_V1_BITS(qnq
, compl);
1828 rxcp
->vlan_tag
= GET_RX_COMPL_V1_BITS(vlan_tag
, compl);
1830 rxcp
->port
= GET_RX_COMPL_V1_BITS(port
, compl);
1832 GET_RX_COMPL_V1_BITS(tunneled
, compl);
1835 static void be_parse_rx_compl_v0(struct be_eth_rx_compl
*compl,
1836 struct be_rx_compl_info
*rxcp
)
1838 rxcp
->pkt_size
= GET_RX_COMPL_V0_BITS(pktsize
, compl);
1839 rxcp
->vlanf
= GET_RX_COMPL_V0_BITS(vtp
, compl);
1840 rxcp
->err
= GET_RX_COMPL_V0_BITS(err
, compl);
1841 rxcp
->tcpf
= GET_RX_COMPL_V0_BITS(tcpf
, compl);
1842 rxcp
->udpf
= GET_RX_COMPL_V0_BITS(udpf
, compl);
1843 rxcp
->ip_csum
= GET_RX_COMPL_V0_BITS(ipcksm
, compl);
1844 rxcp
->l4_csum
= GET_RX_COMPL_V0_BITS(l4_cksm
, compl);
1845 rxcp
->ipv6
= GET_RX_COMPL_V0_BITS(ip_version
, compl);
1846 rxcp
->num_rcvd
= GET_RX_COMPL_V0_BITS(numfrags
, compl);
1847 rxcp
->pkt_type
= GET_RX_COMPL_V0_BITS(cast_enc
, compl);
1848 rxcp
->rss_hash
= GET_RX_COMPL_V0_BITS(rsshash
, compl);
1850 rxcp
->qnq
= GET_RX_COMPL_V0_BITS(qnq
, compl);
1851 rxcp
->vlan_tag
= GET_RX_COMPL_V0_BITS(vlan_tag
, compl);
1853 rxcp
->port
= GET_RX_COMPL_V0_BITS(port
, compl);
1854 rxcp
->ip_frag
= GET_RX_COMPL_V0_BITS(ip_frag
, compl);
1857 static struct be_rx_compl_info
*be_rx_compl_get(struct be_rx_obj
*rxo
)
1859 struct be_eth_rx_compl
*compl = queue_tail_node(&rxo
->cq
);
1860 struct be_rx_compl_info
*rxcp
= &rxo
->rxcp
;
1861 struct be_adapter
*adapter
= rxo
->adapter
;
1863 /* For checking the valid bit it is Ok to use either definition as the
1864 * valid bit is at the same position in both v0 and v1 Rx compl */
1865 if (compl->dw
[offsetof(struct amap_eth_rx_compl_v1
, valid
) / 32] == 0)
1869 be_dws_le_to_cpu(compl, sizeof(*compl));
1871 if (adapter
->be3_native
)
1872 be_parse_rx_compl_v1(compl, rxcp
);
1874 be_parse_rx_compl_v0(compl, rxcp
);
1880 /* In QNQ modes, if qnq bit is not set, then the packet was
1881 * tagged only with the transparent outer vlan-tag and must
1882 * not be treated as a vlan packet by host
1884 if (be_is_qnq_mode(adapter
) && !rxcp
->qnq
)
1887 if (!lancer_chip(adapter
))
1888 rxcp
->vlan_tag
= swab16(rxcp
->vlan_tag
);
1890 if (adapter
->pvid
== (rxcp
->vlan_tag
& VLAN_VID_MASK
) &&
1891 !test_bit(rxcp
->vlan_tag
, adapter
->vids
))
1895 /* As the compl has been parsed, reset it; we wont touch it again */
1896 compl->dw
[offsetof(struct amap_eth_rx_compl_v1
, valid
) / 32] = 0;
1898 queue_tail_inc(&rxo
->cq
);
1902 static inline struct page
*be_alloc_pages(u32 size
, gfp_t gfp
)
1904 u32 order
= get_order(size
);
1908 return alloc_pages(gfp
, order
);
1912 * Allocate a page, split it to fragments of size rx_frag_size and post as
1913 * receive buffers to BE
1915 static void be_post_rx_frags(struct be_rx_obj
*rxo
, gfp_t gfp
, u32 frags_needed
)
1917 struct be_adapter
*adapter
= rxo
->adapter
;
1918 struct be_rx_page_info
*page_info
= NULL
, *prev_page_info
= NULL
;
1919 struct be_queue_info
*rxq
= &rxo
->q
;
1920 struct page
*pagep
= NULL
;
1921 struct device
*dev
= &adapter
->pdev
->dev
;
1922 struct be_eth_rx_d
*rxd
;
1923 u64 page_dmaaddr
= 0, frag_dmaaddr
;
1924 u32 posted
, page_offset
= 0, notify
= 0;
1926 page_info
= &rxo
->page_info_tbl
[rxq
->head
];
1927 for (posted
= 0; posted
< frags_needed
&& !page_info
->page
; posted
++) {
1929 pagep
= be_alloc_pages(adapter
->big_page_size
, gfp
);
1930 if (unlikely(!pagep
)) {
1931 rx_stats(rxo
)->rx_post_fail
++;
1934 page_dmaaddr
= dma_map_page(dev
, pagep
, 0,
1935 adapter
->big_page_size
,
1937 if (dma_mapping_error(dev
, page_dmaaddr
)) {
1940 adapter
->drv_stats
.dma_map_errors
++;
1946 page_offset
+= rx_frag_size
;
1948 page_info
->page_offset
= page_offset
;
1949 page_info
->page
= pagep
;
1951 rxd
= queue_head_node(rxq
);
1952 frag_dmaaddr
= page_dmaaddr
+ page_info
->page_offset
;
1953 rxd
->fragpa_lo
= cpu_to_le32(frag_dmaaddr
& 0xFFFFFFFF);
1954 rxd
->fragpa_hi
= cpu_to_le32(upper_32_bits(frag_dmaaddr
));
1956 /* Any space left in the current big page for another frag? */
1957 if ((page_offset
+ rx_frag_size
+ rx_frag_size
) >
1958 adapter
->big_page_size
) {
1960 page_info
->last_frag
= true;
1961 dma_unmap_addr_set(page_info
, bus
, page_dmaaddr
);
1963 dma_unmap_addr_set(page_info
, bus
, frag_dmaaddr
);
1966 prev_page_info
= page_info
;
1967 queue_head_inc(rxq
);
1968 page_info
= &rxo
->page_info_tbl
[rxq
->head
];
1971 /* Mark the last frag of a page when we break out of the above loop
1972 * with no more slots available in the RXQ
1975 prev_page_info
->last_frag
= true;
1976 dma_unmap_addr_set(prev_page_info
, bus
, page_dmaaddr
);
1980 atomic_add(posted
, &rxq
->used
);
1981 if (rxo
->rx_post_starved
)
1982 rxo
->rx_post_starved
= false;
1984 notify
= min(256u, posted
);
1985 be_rxq_notify(adapter
, rxq
->id
, notify
);
1988 } else if (atomic_read(&rxq
->used
) == 0) {
1989 /* Let be_worker replenish when memory is available */
1990 rxo
->rx_post_starved
= true;
1994 static struct be_eth_tx_compl
*be_tx_compl_get(struct be_queue_info
*tx_cq
)
1996 struct be_eth_tx_compl
*txcp
= queue_tail_node(tx_cq
);
1998 if (txcp
->dw
[offsetof(struct amap_eth_tx_compl
, valid
) / 32] == 0)
2002 be_dws_le_to_cpu(txcp
, sizeof(*txcp
));
2004 txcp
->dw
[offsetof(struct amap_eth_tx_compl
, valid
) / 32] = 0;
2006 queue_tail_inc(tx_cq
);
2010 static u16
be_tx_compl_process(struct be_adapter
*adapter
,
2011 struct be_tx_obj
*txo
, u16 last_index
)
2013 struct sk_buff
**sent_skbs
= txo
->sent_skb_list
;
2014 struct be_queue_info
*txq
= &txo
->q
;
2015 u16 frag_index
, num_wrbs
= 0;
2016 struct sk_buff
*skb
= NULL
;
2017 bool unmap_skb_hdr
= false;
2018 struct be_eth_wrb
*wrb
;
2021 if (sent_skbs
[txq
->tail
]) {
2022 /* Free skb from prev req */
2024 dev_consume_skb_any(skb
);
2025 skb
= sent_skbs
[txq
->tail
];
2026 sent_skbs
[txq
->tail
] = NULL
;
2027 queue_tail_inc(txq
); /* skip hdr wrb */
2029 unmap_skb_hdr
= true;
2031 wrb
= queue_tail_node(txq
);
2032 frag_index
= txq
->tail
;
2033 unmap_tx_frag(&adapter
->pdev
->dev
, wrb
,
2034 (unmap_skb_hdr
&& skb_headlen(skb
)));
2035 unmap_skb_hdr
= false;
2036 queue_tail_inc(txq
);
2038 } while (frag_index
!= last_index
);
2039 dev_consume_skb_any(skb
);
2044 /* Return the number of events in the event queue */
2045 static inline int events_get(struct be_eq_obj
*eqo
)
2047 struct be_eq_entry
*eqe
;
2051 eqe
= queue_tail_node(&eqo
->q
);
2058 queue_tail_inc(&eqo
->q
);
2064 /* Leaves the EQ is disarmed state */
2065 static void be_eq_clean(struct be_eq_obj
*eqo
)
2067 int num
= events_get(eqo
);
2069 be_eq_notify(eqo
->adapter
, eqo
->q
.id
, false, true, num
);
2072 static void be_rx_cq_clean(struct be_rx_obj
*rxo
)
2074 struct be_rx_page_info
*page_info
;
2075 struct be_queue_info
*rxq
= &rxo
->q
;
2076 struct be_queue_info
*rx_cq
= &rxo
->cq
;
2077 struct be_rx_compl_info
*rxcp
;
2078 struct be_adapter
*adapter
= rxo
->adapter
;
2081 /* Consume pending rx completions.
2082 * Wait for the flush completion (identified by zero num_rcvd)
2083 * to arrive. Notify CQ even when there are no more CQ entries
2084 * for HW to flush partially coalesced CQ entries.
2085 * In Lancer, there is no need to wait for flush compl.
2088 rxcp
= be_rx_compl_get(rxo
);
2090 if (lancer_chip(adapter
))
2093 if (flush_wait
++ > 10 || be_hw_error(adapter
)) {
2094 dev_warn(&adapter
->pdev
->dev
,
2095 "did not receive flush compl\n");
2098 be_cq_notify(adapter
, rx_cq
->id
, true, 0);
2101 be_rx_compl_discard(rxo
, rxcp
);
2102 be_cq_notify(adapter
, rx_cq
->id
, false, 1);
2103 if (rxcp
->num_rcvd
== 0)
2108 /* After cleanup, leave the CQ in unarmed state */
2109 be_cq_notify(adapter
, rx_cq
->id
, false, 0);
2111 /* Then free posted rx buffers that were not used */
2112 while (atomic_read(&rxq
->used
) > 0) {
2113 page_info
= get_rx_page_info(rxo
);
2114 put_page(page_info
->page
);
2115 memset(page_info
, 0, sizeof(*page_info
));
2117 BUG_ON(atomic_read(&rxq
->used
));
2122 static void be_tx_compl_clean(struct be_adapter
*adapter
)
2124 u16 end_idx
, notified_idx
, cmpl
= 0, timeo
= 0, num_wrbs
= 0;
2125 struct device
*dev
= &adapter
->pdev
->dev
;
2126 struct be_tx_obj
*txo
;
2127 struct be_queue_info
*txq
;
2128 struct be_eth_tx_compl
*txcp
;
2129 int i
, pending_txqs
;
2131 /* Stop polling for compls when HW has been silent for 10ms */
2133 pending_txqs
= adapter
->num_tx_qs
;
2135 for_all_tx_queues(adapter
, txo
, i
) {
2139 while ((txcp
= be_tx_compl_get(&txo
->cq
))) {
2140 end_idx
= GET_TX_COMPL_BITS(wrb_index
, txcp
);
2141 num_wrbs
+= be_tx_compl_process(adapter
, txo
,
2146 be_cq_notify(adapter
, txo
->cq
.id
, false, cmpl
);
2147 atomic_sub(num_wrbs
, &txq
->used
);
2150 if (atomic_read(&txq
->used
) == txo
->pend_wrb_cnt
)
2154 if (pending_txqs
== 0 || ++timeo
> 10 || be_hw_error(adapter
))
2160 /* Free enqueued TX that was never notified to HW */
2161 for_all_tx_queues(adapter
, txo
, i
) {
2164 if (atomic_read(&txq
->used
)) {
2165 dev_info(dev
, "txq%d: cleaning %d pending tx-wrbs\n",
2166 i
, atomic_read(&txq
->used
));
2167 notified_idx
= txq
->tail
;
2168 end_idx
= txq
->tail
;
2169 index_adv(&end_idx
, atomic_read(&txq
->used
) - 1,
2171 /* Use the tx-compl process logic to handle requests
2172 * that were not sent to the HW.
2174 num_wrbs
= be_tx_compl_process(adapter
, txo
, end_idx
);
2175 atomic_sub(num_wrbs
, &txq
->used
);
2176 BUG_ON(atomic_read(&txq
->used
));
2177 txo
->pend_wrb_cnt
= 0;
2178 /* Since hw was never notified of these requests,
2181 txq
->head
= notified_idx
;
2182 txq
->tail
= notified_idx
;
2187 static void be_evt_queues_destroy(struct be_adapter
*adapter
)
2189 struct be_eq_obj
*eqo
;
2192 for_all_evt_queues(adapter
, eqo
, i
) {
2193 if (eqo
->q
.created
) {
2195 be_cmd_q_destroy(adapter
, &eqo
->q
, QTYPE_EQ
);
2196 napi_hash_del(&eqo
->napi
);
2197 netif_napi_del(&eqo
->napi
);
2199 be_queue_free(adapter
, &eqo
->q
);
2203 static int be_evt_queues_create(struct be_adapter
*adapter
)
2205 struct be_queue_info
*eq
;
2206 struct be_eq_obj
*eqo
;
2207 struct be_aic_obj
*aic
;
2210 adapter
->num_evt_qs
= min_t(u16
, num_irqs(adapter
),
2211 adapter
->cfg_num_qs
);
2213 for_all_evt_queues(adapter
, eqo
, i
) {
2214 netif_napi_add(adapter
->netdev
, &eqo
->napi
, be_poll
,
2216 napi_hash_add(&eqo
->napi
);
2217 aic
= &adapter
->aic_obj
[i
];
2218 eqo
->adapter
= adapter
;
2220 aic
->max_eqd
= BE_MAX_EQD
;
2224 rc
= be_queue_alloc(adapter
, eq
, EVNT_Q_LEN
,
2225 sizeof(struct be_eq_entry
));
2229 rc
= be_cmd_eq_create(adapter
, eqo
);
2236 static void be_mcc_queues_destroy(struct be_adapter
*adapter
)
2238 struct be_queue_info
*q
;
2240 q
= &adapter
->mcc_obj
.q
;
2242 be_cmd_q_destroy(adapter
, q
, QTYPE_MCCQ
);
2243 be_queue_free(adapter
, q
);
2245 q
= &adapter
->mcc_obj
.cq
;
2247 be_cmd_q_destroy(adapter
, q
, QTYPE_CQ
);
2248 be_queue_free(adapter
, q
);
2251 /* Must be called only after TX qs are created as MCC shares TX EQ */
2252 static int be_mcc_queues_create(struct be_adapter
*adapter
)
2254 struct be_queue_info
*q
, *cq
;
2256 cq
= &adapter
->mcc_obj
.cq
;
2257 if (be_queue_alloc(adapter
, cq
, MCC_CQ_LEN
,
2258 sizeof(struct be_mcc_compl
)))
2261 /* Use the default EQ for MCC completions */
2262 if (be_cmd_cq_create(adapter
, cq
, &mcc_eqo(adapter
)->q
, true, 0))
2265 q
= &adapter
->mcc_obj
.q
;
2266 if (be_queue_alloc(adapter
, q
, MCC_Q_LEN
, sizeof(struct be_mcc_wrb
)))
2267 goto mcc_cq_destroy
;
2269 if (be_cmd_mccq_create(adapter
, q
, cq
))
2275 be_queue_free(adapter
, q
);
2277 be_cmd_q_destroy(adapter
, cq
, QTYPE_CQ
);
2279 be_queue_free(adapter
, cq
);
2284 static void be_tx_queues_destroy(struct be_adapter
*adapter
)
2286 struct be_queue_info
*q
;
2287 struct be_tx_obj
*txo
;
2290 for_all_tx_queues(adapter
, txo
, i
) {
2293 be_cmd_q_destroy(adapter
, q
, QTYPE_TXQ
);
2294 be_queue_free(adapter
, q
);
2298 be_cmd_q_destroy(adapter
, q
, QTYPE_CQ
);
2299 be_queue_free(adapter
, q
);
2303 static int be_tx_qs_create(struct be_adapter
*adapter
)
2305 struct be_queue_info
*cq
, *eq
;
2306 struct be_tx_obj
*txo
;
2309 adapter
->num_tx_qs
= min(adapter
->num_evt_qs
, be_max_txqs(adapter
));
2311 for_all_tx_queues(adapter
, txo
, i
) {
2313 status
= be_queue_alloc(adapter
, cq
, TX_CQ_LEN
,
2314 sizeof(struct be_eth_tx_compl
));
2318 u64_stats_init(&txo
->stats
.sync
);
2319 u64_stats_init(&txo
->stats
.sync_compl
);
2321 /* If num_evt_qs is less than num_tx_qs, then more than
2322 * one txq share an eq
2324 eq
= &adapter
->eq_obj
[i
% adapter
->num_evt_qs
].q
;
2325 status
= be_cmd_cq_create(adapter
, cq
, eq
, false, 3);
2329 status
= be_queue_alloc(adapter
, &txo
->q
, TX_Q_LEN
,
2330 sizeof(struct be_eth_wrb
));
2334 status
= be_cmd_txq_create(adapter
, txo
);
2339 dev_info(&adapter
->pdev
->dev
, "created %d TX queue(s)\n",
2340 adapter
->num_tx_qs
);
2344 static void be_rx_cqs_destroy(struct be_adapter
*adapter
)
2346 struct be_queue_info
*q
;
2347 struct be_rx_obj
*rxo
;
2350 for_all_rx_queues(adapter
, rxo
, i
) {
2353 be_cmd_q_destroy(adapter
, q
, QTYPE_CQ
);
2354 be_queue_free(adapter
, q
);
2358 static int be_rx_cqs_create(struct be_adapter
*adapter
)
2360 struct be_queue_info
*eq
, *cq
;
2361 struct be_rx_obj
*rxo
;
2364 /* We can create as many RSS rings as there are EQs. */
2365 adapter
->num_rx_qs
= adapter
->num_evt_qs
;
2367 /* We'll use RSS only if atleast 2 RSS rings are supported.
2368 * When RSS is used, we'll need a default RXQ for non-IP traffic.
2370 if (adapter
->num_rx_qs
> 1)
2371 adapter
->num_rx_qs
++;
2373 adapter
->big_page_size
= (1 << get_order(rx_frag_size
)) * PAGE_SIZE
;
2374 for_all_rx_queues(adapter
, rxo
, i
) {
2375 rxo
->adapter
= adapter
;
2377 rc
= be_queue_alloc(adapter
, cq
, RX_CQ_LEN
,
2378 sizeof(struct be_eth_rx_compl
));
2382 u64_stats_init(&rxo
->stats
.sync
);
2383 eq
= &adapter
->eq_obj
[i
% adapter
->num_evt_qs
].q
;
2384 rc
= be_cmd_cq_create(adapter
, cq
, eq
, false, 3);
2389 dev_info(&adapter
->pdev
->dev
,
2390 "created %d RSS queue(s) and 1 default RX queue\n",
2391 adapter
->num_rx_qs
- 1);
2395 static irqreturn_t
be_intx(int irq
, void *dev
)
2397 struct be_eq_obj
*eqo
= dev
;
2398 struct be_adapter
*adapter
= eqo
->adapter
;
2401 /* IRQ is not expected when NAPI is scheduled as the EQ
2402 * will not be armed.
2403 * But, this can happen on Lancer INTx where it takes
2404 * a while to de-assert INTx or in BE2 where occasionaly
2405 * an interrupt may be raised even when EQ is unarmed.
2406 * If NAPI is already scheduled, then counting & notifying
2407 * events will orphan them.
2409 if (napi_schedule_prep(&eqo
->napi
)) {
2410 num_evts
= events_get(eqo
);
2411 __napi_schedule(&eqo
->napi
);
2413 eqo
->spurious_intr
= 0;
2415 be_eq_notify(adapter
, eqo
->q
.id
, false, true, num_evts
);
2417 /* Return IRQ_HANDLED only for the the first spurious intr
2418 * after a valid intr to stop the kernel from branding
2419 * this irq as a bad one!
2421 if (num_evts
|| eqo
->spurious_intr
++ == 0)
2427 static irqreturn_t
be_msix(int irq
, void *dev
)
2429 struct be_eq_obj
*eqo
= dev
;
2431 be_eq_notify(eqo
->adapter
, eqo
->q
.id
, false, true, 0);
2432 napi_schedule(&eqo
->napi
);
2436 static inline bool do_gro(struct be_rx_compl_info
*rxcp
)
2438 return (rxcp
->tcpf
&& !rxcp
->err
&& rxcp
->l4_csum
) ? true : false;
2441 static int be_process_rx(struct be_rx_obj
*rxo
, struct napi_struct
*napi
,
2442 int budget
, int polling
)
2444 struct be_adapter
*adapter
= rxo
->adapter
;
2445 struct be_queue_info
*rx_cq
= &rxo
->cq
;
2446 struct be_rx_compl_info
*rxcp
;
2448 u32 frags_consumed
= 0;
2450 for (work_done
= 0; work_done
< budget
; work_done
++) {
2451 rxcp
= be_rx_compl_get(rxo
);
2455 /* Is it a flush compl that has no data */
2456 if (unlikely(rxcp
->num_rcvd
== 0))
2459 /* Discard compl with partial DMA Lancer B0 */
2460 if (unlikely(!rxcp
->pkt_size
)) {
2461 be_rx_compl_discard(rxo
, rxcp
);
2465 /* On BE drop pkts that arrive due to imperfect filtering in
2466 * promiscuous mode on some skews
2468 if (unlikely(rxcp
->port
!= adapter
->port_num
&&
2469 !lancer_chip(adapter
))) {
2470 be_rx_compl_discard(rxo
, rxcp
);
2474 /* Don't do gro when we're busy_polling */
2475 if (do_gro(rxcp
) && polling
!= BUSY_POLLING
)
2476 be_rx_compl_process_gro(rxo
, napi
, rxcp
);
2478 be_rx_compl_process(rxo
, napi
, rxcp
);
2481 frags_consumed
+= rxcp
->num_rcvd
;
2482 be_rx_stats_update(rxo
, rxcp
);
2486 be_cq_notify(adapter
, rx_cq
->id
, true, work_done
);
2488 /* When an rx-obj gets into post_starved state, just
2489 * let be_worker do the posting.
2491 if (atomic_read(&rxo
->q
.used
) < RX_FRAGS_REFILL_WM
&&
2492 !rxo
->rx_post_starved
)
2493 be_post_rx_frags(rxo
, GFP_ATOMIC
,
2494 max_t(u32
, MAX_RX_POST
,
2501 static inline void be_update_tx_err(struct be_tx_obj
*txo
, u32 status
)
2504 case BE_TX_COMP_HDR_PARSE_ERR
:
2505 tx_stats(txo
)->tx_hdr_parse_err
++;
2507 case BE_TX_COMP_NDMA_ERR
:
2508 tx_stats(txo
)->tx_dma_err
++;
2510 case BE_TX_COMP_ACL_ERR
:
2511 tx_stats(txo
)->tx_spoof_check_err
++;
2516 static inline void lancer_update_tx_err(struct be_tx_obj
*txo
, u32 status
)
2519 case LANCER_TX_COMP_LSO_ERR
:
2520 tx_stats(txo
)->tx_tso_err
++;
2522 case LANCER_TX_COMP_HSW_DROP_MAC_ERR
:
2523 case LANCER_TX_COMP_HSW_DROP_VLAN_ERR
:
2524 tx_stats(txo
)->tx_spoof_check_err
++;
2526 case LANCER_TX_COMP_QINQ_ERR
:
2527 tx_stats(txo
)->tx_qinq_err
++;
2529 case LANCER_TX_COMP_PARITY_ERR
:
2530 tx_stats(txo
)->tx_internal_parity_err
++;
2532 case LANCER_TX_COMP_DMA_ERR
:
2533 tx_stats(txo
)->tx_dma_err
++;
2538 static void be_process_tx(struct be_adapter
*adapter
, struct be_tx_obj
*txo
,
2541 struct be_eth_tx_compl
*txcp
;
2542 int num_wrbs
= 0, work_done
= 0;
2546 while ((txcp
= be_tx_compl_get(&txo
->cq
))) {
2547 last_idx
= GET_TX_COMPL_BITS(wrb_index
, txcp
);
2548 num_wrbs
+= be_tx_compl_process(adapter
, txo
, last_idx
);
2551 compl_status
= GET_TX_COMPL_BITS(status
, txcp
);
2553 if (lancer_chip(adapter
))
2554 lancer_update_tx_err(txo
, compl_status
);
2556 be_update_tx_err(txo
, compl_status
);
2561 be_cq_notify(adapter
, txo
->cq
.id
, true, work_done
);
2562 atomic_sub(num_wrbs
, &txo
->q
.used
);
2564 /* As Tx wrbs have been freed up, wake up netdev queue
2565 * if it was stopped due to lack of tx wrbs. */
2566 if (__netif_subqueue_stopped(adapter
->netdev
, idx
) &&
2567 atomic_read(&txo
->q
.used
) < txo
->q
.len
/ 2) {
2568 netif_wake_subqueue(adapter
->netdev
, idx
);
2571 u64_stats_update_begin(&tx_stats(txo
)->sync_compl
);
2572 tx_stats(txo
)->tx_compl
+= work_done
;
2573 u64_stats_update_end(&tx_stats(txo
)->sync_compl
);
2577 #ifdef CONFIG_NET_RX_BUSY_POLL
2578 static inline bool be_lock_napi(struct be_eq_obj
*eqo
)
2582 spin_lock(&eqo
->lock
); /* BH is already disabled */
2583 if (eqo
->state
& BE_EQ_LOCKED
) {
2584 WARN_ON(eqo
->state
& BE_EQ_NAPI
);
2585 eqo
->state
|= BE_EQ_NAPI_YIELD
;
2588 eqo
->state
= BE_EQ_NAPI
;
2590 spin_unlock(&eqo
->lock
);
2594 static inline void be_unlock_napi(struct be_eq_obj
*eqo
)
2596 spin_lock(&eqo
->lock
); /* BH is already disabled */
2598 WARN_ON(eqo
->state
& (BE_EQ_POLL
| BE_EQ_NAPI_YIELD
));
2599 eqo
->state
= BE_EQ_IDLE
;
2601 spin_unlock(&eqo
->lock
);
2604 static inline bool be_lock_busy_poll(struct be_eq_obj
*eqo
)
2608 spin_lock_bh(&eqo
->lock
);
2609 if (eqo
->state
& BE_EQ_LOCKED
) {
2610 eqo
->state
|= BE_EQ_POLL_YIELD
;
2613 eqo
->state
|= BE_EQ_POLL
;
2615 spin_unlock_bh(&eqo
->lock
);
2619 static inline void be_unlock_busy_poll(struct be_eq_obj
*eqo
)
2621 spin_lock_bh(&eqo
->lock
);
2623 WARN_ON(eqo
->state
& (BE_EQ_NAPI
));
2624 eqo
->state
= BE_EQ_IDLE
;
2626 spin_unlock_bh(&eqo
->lock
);
2629 static inline void be_enable_busy_poll(struct be_eq_obj
*eqo
)
2631 spin_lock_init(&eqo
->lock
);
2632 eqo
->state
= BE_EQ_IDLE
;
2635 static inline void be_disable_busy_poll(struct be_eq_obj
*eqo
)
2639 /* It's enough to just acquire napi lock on the eqo to stop
2640 * be_busy_poll() from processing any queueus.
2642 while (!be_lock_napi(eqo
))
2648 #else /* CONFIG_NET_RX_BUSY_POLL */
2650 static inline bool be_lock_napi(struct be_eq_obj
*eqo
)
2655 static inline void be_unlock_napi(struct be_eq_obj
*eqo
)
2659 static inline bool be_lock_busy_poll(struct be_eq_obj
*eqo
)
2664 static inline void be_unlock_busy_poll(struct be_eq_obj
*eqo
)
2668 static inline void be_enable_busy_poll(struct be_eq_obj
*eqo
)
2672 static inline void be_disable_busy_poll(struct be_eq_obj
*eqo
)
2675 #endif /* CONFIG_NET_RX_BUSY_POLL */
2677 int be_poll(struct napi_struct
*napi
, int budget
)
2679 struct be_eq_obj
*eqo
= container_of(napi
, struct be_eq_obj
, napi
);
2680 struct be_adapter
*adapter
= eqo
->adapter
;
2681 int max_work
= 0, work
, i
, num_evts
;
2682 struct be_rx_obj
*rxo
;
2683 struct be_tx_obj
*txo
;
2685 num_evts
= events_get(eqo
);
2687 for_all_tx_queues_on_eq(adapter
, eqo
, txo
, i
)
2688 be_process_tx(adapter
, txo
, i
);
2690 if (be_lock_napi(eqo
)) {
2691 /* This loop will iterate twice for EQ0 in which
2692 * completions of the last RXQ (default one) are also processed
2693 * For other EQs the loop iterates only once
2695 for_all_rx_queues_on_eq(adapter
, eqo
, rxo
, i
) {
2696 work
= be_process_rx(rxo
, napi
, budget
, NAPI_POLLING
);
2697 max_work
= max(work
, max_work
);
2699 be_unlock_napi(eqo
);
2704 if (is_mcc_eqo(eqo
))
2705 be_process_mcc(adapter
);
2707 if (max_work
< budget
) {
2708 napi_complete(napi
);
2709 be_eq_notify(adapter
, eqo
->q
.id
, true, false, num_evts
);
2711 /* As we'll continue in polling mode, count and clear events */
2712 be_eq_notify(adapter
, eqo
->q
.id
, false, false, num_evts
);
2717 #ifdef CONFIG_NET_RX_BUSY_POLL
2718 static int be_busy_poll(struct napi_struct
*napi
)
2720 struct be_eq_obj
*eqo
= container_of(napi
, struct be_eq_obj
, napi
);
2721 struct be_adapter
*adapter
= eqo
->adapter
;
2722 struct be_rx_obj
*rxo
;
2725 if (!be_lock_busy_poll(eqo
))
2726 return LL_FLUSH_BUSY
;
2728 for_all_rx_queues_on_eq(adapter
, eqo
, rxo
, i
) {
2729 work
= be_process_rx(rxo
, napi
, 4, BUSY_POLLING
);
2734 be_unlock_busy_poll(eqo
);
2739 void be_detect_error(struct be_adapter
*adapter
)
2741 u32 ue_lo
= 0, ue_hi
= 0, ue_lo_mask
= 0, ue_hi_mask
= 0;
2742 u32 sliport_status
= 0, sliport_err1
= 0, sliport_err2
= 0;
2744 bool error_detected
= false;
2745 struct device
*dev
= &adapter
->pdev
->dev
;
2746 struct net_device
*netdev
= adapter
->netdev
;
2748 if (be_hw_error(adapter
))
2751 if (lancer_chip(adapter
)) {
2752 sliport_status
= ioread32(adapter
->db
+ SLIPORT_STATUS_OFFSET
);
2753 if (sliport_status
& SLIPORT_STATUS_ERR_MASK
) {
2754 sliport_err1
= ioread32(adapter
->db
+
2755 SLIPORT_ERROR1_OFFSET
);
2756 sliport_err2
= ioread32(adapter
->db
+
2757 SLIPORT_ERROR2_OFFSET
);
2758 adapter
->hw_error
= true;
2759 /* Do not log error messages if its a FW reset */
2760 if (sliport_err1
== SLIPORT_ERROR_FW_RESET1
&&
2761 sliport_err2
== SLIPORT_ERROR_FW_RESET2
) {
2762 dev_info(dev
, "Firmware update in progress\n");
2764 error_detected
= true;
2765 dev_err(dev
, "Error detected in the card\n");
2766 dev_err(dev
, "ERR: sliport status 0x%x\n",
2768 dev_err(dev
, "ERR: sliport error1 0x%x\n",
2770 dev_err(dev
, "ERR: sliport error2 0x%x\n",
2775 pci_read_config_dword(adapter
->pdev
,
2776 PCICFG_UE_STATUS_LOW
, &ue_lo
);
2777 pci_read_config_dword(adapter
->pdev
,
2778 PCICFG_UE_STATUS_HIGH
, &ue_hi
);
2779 pci_read_config_dword(adapter
->pdev
,
2780 PCICFG_UE_STATUS_LOW_MASK
, &ue_lo_mask
);
2781 pci_read_config_dword(adapter
->pdev
,
2782 PCICFG_UE_STATUS_HI_MASK
, &ue_hi_mask
);
2784 ue_lo
= (ue_lo
& ~ue_lo_mask
);
2785 ue_hi
= (ue_hi
& ~ue_hi_mask
);
2787 /* On certain platforms BE hardware can indicate spurious UEs.
2788 * Allow HW to stop working completely in case of a real UE.
2789 * Hence not setting the hw_error for UE detection.
2792 if (ue_lo
|| ue_hi
) {
2793 error_detected
= true;
2795 "Unrecoverable Error detected in the adapter");
2796 dev_err(dev
, "Please reboot server to recover");
2797 if (skyhawk_chip(adapter
))
2798 adapter
->hw_error
= true;
2799 for (i
= 0; ue_lo
; ue_lo
>>= 1, i
++) {
2801 dev_err(dev
, "UE: %s bit set\n",
2802 ue_status_low_desc
[i
]);
2804 for (i
= 0; ue_hi
; ue_hi
>>= 1, i
++) {
2806 dev_err(dev
, "UE: %s bit set\n",
2807 ue_status_hi_desc
[i
]);
2812 netif_carrier_off(netdev
);
2815 static void be_msix_disable(struct be_adapter
*adapter
)
2817 if (msix_enabled(adapter
)) {
2818 pci_disable_msix(adapter
->pdev
);
2819 adapter
->num_msix_vec
= 0;
2820 adapter
->num_msix_roce_vec
= 0;
2824 static int be_msix_enable(struct be_adapter
*adapter
)
2827 struct device
*dev
= &adapter
->pdev
->dev
;
2829 /* If RoCE is supported, program the max number of NIC vectors that
2830 * may be configured via set-channels, along with vectors needed for
2831 * RoCe. Else, just program the number we'll use initially.
2833 if (be_roce_supported(adapter
))
2834 num_vec
= min_t(int, 2 * be_max_eqs(adapter
),
2835 2 * num_online_cpus());
2837 num_vec
= adapter
->cfg_num_qs
;
2839 for (i
= 0; i
< num_vec
; i
++)
2840 adapter
->msix_entries
[i
].entry
= i
;
2842 num_vec
= pci_enable_msix_range(adapter
->pdev
, adapter
->msix_entries
,
2843 MIN_MSIX_VECTORS
, num_vec
);
2847 if (be_roce_supported(adapter
) && num_vec
> MIN_MSIX_VECTORS
) {
2848 adapter
->num_msix_roce_vec
= num_vec
/ 2;
2849 dev_info(dev
, "enabled %d MSI-x vector(s) for RoCE\n",
2850 adapter
->num_msix_roce_vec
);
2853 adapter
->num_msix_vec
= num_vec
- adapter
->num_msix_roce_vec
;
2855 dev_info(dev
, "enabled %d MSI-x vector(s) for NIC\n",
2856 adapter
->num_msix_vec
);
2860 dev_warn(dev
, "MSIx enable failed\n");
2862 /* INTx is not supported in VFs, so fail probe if enable_msix fails */
2863 if (!be_physfn(adapter
))
2868 static inline int be_msix_vec_get(struct be_adapter
*adapter
,
2869 struct be_eq_obj
*eqo
)
2871 return adapter
->msix_entries
[eqo
->msix_idx
].vector
;
2874 static int be_msix_register(struct be_adapter
*adapter
)
2876 struct net_device
*netdev
= adapter
->netdev
;
2877 struct be_eq_obj
*eqo
;
2880 for_all_evt_queues(adapter
, eqo
, i
) {
2881 sprintf(eqo
->desc
, "%s-q%d", netdev
->name
, i
);
2882 vec
= be_msix_vec_get(adapter
, eqo
);
2883 status
= request_irq(vec
, be_msix
, 0, eqo
->desc
, eqo
);
2890 for (i
--, eqo
= &adapter
->eq_obj
[i
]; i
>= 0; i
--, eqo
--)
2891 free_irq(be_msix_vec_get(adapter
, eqo
), eqo
);
2892 dev_warn(&adapter
->pdev
->dev
, "MSIX Request IRQ failed - err %d\n",
2894 be_msix_disable(adapter
);
2898 static int be_irq_register(struct be_adapter
*adapter
)
2900 struct net_device
*netdev
= adapter
->netdev
;
2903 if (msix_enabled(adapter
)) {
2904 status
= be_msix_register(adapter
);
2907 /* INTx is not supported for VF */
2908 if (!be_physfn(adapter
))
2912 /* INTx: only the first EQ is used */
2913 netdev
->irq
= adapter
->pdev
->irq
;
2914 status
= request_irq(netdev
->irq
, be_intx
, IRQF_SHARED
, netdev
->name
,
2915 &adapter
->eq_obj
[0]);
2917 dev_err(&adapter
->pdev
->dev
,
2918 "INTx request IRQ failed - err %d\n", status
);
2922 adapter
->isr_registered
= true;
2926 static void be_irq_unregister(struct be_adapter
*adapter
)
2928 struct net_device
*netdev
= adapter
->netdev
;
2929 struct be_eq_obj
*eqo
;
2932 if (!adapter
->isr_registered
)
2936 if (!msix_enabled(adapter
)) {
2937 free_irq(netdev
->irq
, &adapter
->eq_obj
[0]);
2942 for_all_evt_queues(adapter
, eqo
, i
)
2943 free_irq(be_msix_vec_get(adapter
, eqo
), eqo
);
2946 adapter
->isr_registered
= false;
2949 static void be_rx_qs_destroy(struct be_adapter
*adapter
)
2951 struct be_queue_info
*q
;
2952 struct be_rx_obj
*rxo
;
2955 for_all_rx_queues(adapter
, rxo
, i
) {
2958 be_cmd_rxq_destroy(adapter
, q
);
2959 be_rx_cq_clean(rxo
);
2961 be_queue_free(adapter
, q
);
2965 static int be_close(struct net_device
*netdev
)
2967 struct be_adapter
*adapter
= netdev_priv(netdev
);
2968 struct be_eq_obj
*eqo
;
2971 /* This protection is needed as be_close() may be called even when the
2972 * adapter is in cleared state (after eeh perm failure)
2974 if (!(adapter
->flags
& BE_FLAGS_SETUP_DONE
))
2977 be_roce_dev_close(adapter
);
2979 if (adapter
->flags
& BE_FLAGS_NAPI_ENABLED
) {
2980 for_all_evt_queues(adapter
, eqo
, i
) {
2981 napi_disable(&eqo
->napi
);
2982 be_disable_busy_poll(eqo
);
2984 adapter
->flags
&= ~BE_FLAGS_NAPI_ENABLED
;
2987 be_async_mcc_disable(adapter
);
2989 /* Wait for all pending tx completions to arrive so that
2990 * all tx skbs are freed.
2992 netif_tx_disable(netdev
);
2993 be_tx_compl_clean(adapter
);
2995 be_rx_qs_destroy(adapter
);
2996 be_clear_uc_list(adapter
);
2998 for_all_evt_queues(adapter
, eqo
, i
) {
2999 if (msix_enabled(adapter
))
3000 synchronize_irq(be_msix_vec_get(adapter
, eqo
));
3002 synchronize_irq(netdev
->irq
);
3006 be_irq_unregister(adapter
);
3011 static int be_rx_qs_create(struct be_adapter
*adapter
)
3013 struct rss_info
*rss
= &adapter
->rss_info
;
3014 u8 rss_key
[RSS_HASH_KEY_LEN
];
3015 struct be_rx_obj
*rxo
;
3018 for_all_rx_queues(adapter
, rxo
, i
) {
3019 rc
= be_queue_alloc(adapter
, &rxo
->q
, RX_Q_LEN
,
3020 sizeof(struct be_eth_rx_d
));
3025 /* The FW would like the default RXQ to be created first */
3026 rxo
= default_rxo(adapter
);
3027 rc
= be_cmd_rxq_create(adapter
, &rxo
->q
, rxo
->cq
.id
, rx_frag_size
,
3028 adapter
->if_handle
, false, &rxo
->rss_id
);
3032 for_all_rss_queues(adapter
, rxo
, i
) {
3033 rc
= be_cmd_rxq_create(adapter
, &rxo
->q
, rxo
->cq
.id
,
3034 rx_frag_size
, adapter
->if_handle
,
3035 true, &rxo
->rss_id
);
3040 if (be_multi_rxq(adapter
)) {
3041 for (j
= 0; j
< RSS_INDIR_TABLE_LEN
;
3042 j
+= adapter
->num_rx_qs
- 1) {
3043 for_all_rss_queues(adapter
, rxo
, i
) {
3044 if ((j
+ i
) >= RSS_INDIR_TABLE_LEN
)
3046 rss
->rsstable
[j
+ i
] = rxo
->rss_id
;
3047 rss
->rss_queue
[j
+ i
] = i
;
3050 rss
->rss_flags
= RSS_ENABLE_TCP_IPV4
| RSS_ENABLE_IPV4
|
3051 RSS_ENABLE_TCP_IPV6
| RSS_ENABLE_IPV6
;
3053 if (!BEx_chip(adapter
))
3054 rss
->rss_flags
|= RSS_ENABLE_UDP_IPV4
|
3055 RSS_ENABLE_UDP_IPV6
;
3057 /* Disable RSS, if only default RX Q is created */
3058 rss
->rss_flags
= RSS_ENABLE_NONE
;
3061 netdev_rss_key_fill(rss_key
, RSS_HASH_KEY_LEN
);
3062 rc
= be_cmd_rss_config(adapter
, rss
->rsstable
, rss
->rss_flags
,
3065 rss
->rss_flags
= RSS_ENABLE_NONE
;
3069 memcpy(rss
->rss_hkey
, rss_key
, RSS_HASH_KEY_LEN
);
3071 /* First time posting */
3072 for_all_rx_queues(adapter
, rxo
, i
)
3073 be_post_rx_frags(rxo
, GFP_KERNEL
, MAX_RX_POST
);
3077 static int be_open(struct net_device
*netdev
)
3079 struct be_adapter
*adapter
= netdev_priv(netdev
);
3080 struct be_eq_obj
*eqo
;
3081 struct be_rx_obj
*rxo
;
3082 struct be_tx_obj
*txo
;
3086 status
= be_rx_qs_create(adapter
);
3090 status
= be_irq_register(adapter
);
3094 for_all_rx_queues(adapter
, rxo
, i
)
3095 be_cq_notify(adapter
, rxo
->cq
.id
, true, 0);
3097 for_all_tx_queues(adapter
, txo
, i
)
3098 be_cq_notify(adapter
, txo
->cq
.id
, true, 0);
3100 be_async_mcc_enable(adapter
);
3102 for_all_evt_queues(adapter
, eqo
, i
) {
3103 napi_enable(&eqo
->napi
);
3104 be_enable_busy_poll(eqo
);
3105 be_eq_notify(adapter
, eqo
->q
.id
, true, true, 0);
3107 adapter
->flags
|= BE_FLAGS_NAPI_ENABLED
;
3109 status
= be_cmd_link_status_query(adapter
, NULL
, &link_status
, 0);
3111 be_link_status_update(adapter
, link_status
);
3113 netif_tx_start_all_queues(netdev
);
3114 be_roce_dev_open(adapter
);
3116 #ifdef CONFIG_BE2NET_VXLAN
3117 if (skyhawk_chip(adapter
))
3118 vxlan_get_rx_port(netdev
);
3123 be_close(adapter
->netdev
);
3127 static int be_setup_wol(struct be_adapter
*adapter
, bool enable
)
3129 struct be_dma_mem cmd
;
3133 memset(mac
, 0, ETH_ALEN
);
3135 cmd
.size
= sizeof(struct be_cmd_req_acpi_wol_magic_config
);
3136 cmd
.va
= dma_zalloc_coherent(&adapter
->pdev
->dev
, cmd
.size
, &cmd
.dma
,
3142 status
= pci_write_config_dword(adapter
->pdev
,
3143 PCICFG_PM_CONTROL_OFFSET
,
3144 PCICFG_PM_CONTROL_MASK
);
3146 dev_err(&adapter
->pdev
->dev
,
3147 "Could not enable Wake-on-lan\n");
3148 dma_free_coherent(&adapter
->pdev
->dev
, cmd
.size
, cmd
.va
,
3152 status
= be_cmd_enable_magic_wol(adapter
,
3153 adapter
->netdev
->dev_addr
,
3155 pci_enable_wake(adapter
->pdev
, PCI_D3hot
, 1);
3156 pci_enable_wake(adapter
->pdev
, PCI_D3cold
, 1);
3158 status
= be_cmd_enable_magic_wol(adapter
, mac
, &cmd
);
3159 pci_enable_wake(adapter
->pdev
, PCI_D3hot
, 0);
3160 pci_enable_wake(adapter
->pdev
, PCI_D3cold
, 0);
3163 dma_free_coherent(&adapter
->pdev
->dev
, cmd
.size
, cmd
.va
, cmd
.dma
);
3167 static void be_vf_eth_addr_generate(struct be_adapter
*adapter
, u8
*mac
)
3171 addr
= jhash(adapter
->netdev
->dev_addr
, ETH_ALEN
, 0);
3173 mac
[5] = (u8
)(addr
& 0xFF);
3174 mac
[4] = (u8
)((addr
>> 8) & 0xFF);
3175 mac
[3] = (u8
)((addr
>> 16) & 0xFF);
3176 /* Use the OUI from the current MAC address */
3177 memcpy(mac
, adapter
->netdev
->dev_addr
, 3);
3181 * Generate a seed MAC address from the PF MAC Address using jhash.
3182 * MAC Address for VFs are assigned incrementally starting from the seed.
3183 * These addresses are programmed in the ASIC by the PF and the VF driver
3184 * queries for the MAC address during its probe.
3186 static int be_vf_eth_addr_config(struct be_adapter
*adapter
)
3191 struct be_vf_cfg
*vf_cfg
;
3193 be_vf_eth_addr_generate(adapter
, mac
);
3195 for_all_vfs(adapter
, vf_cfg
, vf
) {
3196 if (BEx_chip(adapter
))
3197 status
= be_cmd_pmac_add(adapter
, mac
,
3199 &vf_cfg
->pmac_id
, vf
+ 1);
3201 status
= be_cmd_set_mac(adapter
, mac
, vf_cfg
->if_handle
,
3205 dev_err(&adapter
->pdev
->dev
,
3206 "Mac address assignment failed for VF %d\n",
3209 memcpy(vf_cfg
->mac_addr
, mac
, ETH_ALEN
);
3216 static int be_vfs_mac_query(struct be_adapter
*adapter
)
3220 struct be_vf_cfg
*vf_cfg
;
3222 for_all_vfs(adapter
, vf_cfg
, vf
) {
3223 status
= be_cmd_get_active_mac(adapter
, vf_cfg
->pmac_id
,
3224 mac
, vf_cfg
->if_handle
,
3228 memcpy(vf_cfg
->mac_addr
, mac
, ETH_ALEN
);
3233 static void be_vf_clear(struct be_adapter
*adapter
)
3235 struct be_vf_cfg
*vf_cfg
;
3238 if (pci_vfs_assigned(adapter
->pdev
)) {
3239 dev_warn(&adapter
->pdev
->dev
,
3240 "VFs are assigned to VMs: not disabling VFs\n");
3244 pci_disable_sriov(adapter
->pdev
);
3246 for_all_vfs(adapter
, vf_cfg
, vf
) {
3247 if (BEx_chip(adapter
))
3248 be_cmd_pmac_del(adapter
, vf_cfg
->if_handle
,
3249 vf_cfg
->pmac_id
, vf
+ 1);
3251 be_cmd_set_mac(adapter
, NULL
, vf_cfg
->if_handle
,
3254 be_cmd_if_destroy(adapter
, vf_cfg
->if_handle
, vf
+ 1);
3257 kfree(adapter
->vf_cfg
);
3258 adapter
->num_vfs
= 0;
3259 adapter
->flags
&= ~BE_FLAGS_SRIOV_ENABLED
;
3262 static void be_clear_queues(struct be_adapter
*adapter
)
3264 be_mcc_queues_destroy(adapter
);
3265 be_rx_cqs_destroy(adapter
);
3266 be_tx_queues_destroy(adapter
);
3267 be_evt_queues_destroy(adapter
);
3270 static void be_cancel_worker(struct be_adapter
*adapter
)
3272 if (adapter
->flags
& BE_FLAGS_WORKER_SCHEDULED
) {
3273 cancel_delayed_work_sync(&adapter
->work
);
3274 adapter
->flags
&= ~BE_FLAGS_WORKER_SCHEDULED
;
3278 static void be_mac_clear(struct be_adapter
*adapter
)
3280 if (adapter
->pmac_id
) {
3281 be_cmd_pmac_del(adapter
, adapter
->if_handle
,
3282 adapter
->pmac_id
[0], 0);
3283 kfree(adapter
->pmac_id
);
3284 adapter
->pmac_id
= NULL
;
3288 #ifdef CONFIG_BE2NET_VXLAN
3289 static void be_disable_vxlan_offloads(struct be_adapter
*adapter
)
3291 struct net_device
*netdev
= adapter
->netdev
;
3293 if (adapter
->flags
& BE_FLAGS_VXLAN_OFFLOADS
)
3294 be_cmd_manage_iface(adapter
, adapter
->if_handle
,
3295 OP_CONVERT_TUNNEL_TO_NORMAL
);
3297 if (adapter
->vxlan_port
)
3298 be_cmd_set_vxlan_port(adapter
, 0);
3300 adapter
->flags
&= ~BE_FLAGS_VXLAN_OFFLOADS
;
3301 adapter
->vxlan_port
= 0;
3303 netdev
->hw_enc_features
= 0;
3304 netdev
->hw_features
&= ~(NETIF_F_GSO_UDP_TUNNEL
);
3305 netdev
->features
&= ~(NETIF_F_GSO_UDP_TUNNEL
);
3309 static int be_clear(struct be_adapter
*adapter
)
3311 be_cancel_worker(adapter
);
3313 if (sriov_enabled(adapter
))
3314 be_vf_clear(adapter
);
3316 /* Re-configure FW to distribute resources evenly across max-supported
3317 * number of VFs, only when VFs are not already enabled.
3319 if (be_physfn(adapter
) && !pci_vfs_assigned(adapter
->pdev
))
3320 be_cmd_set_sriov_config(adapter
, adapter
->pool_res
,
3321 pci_sriov_get_totalvfs(adapter
->pdev
));
3323 #ifdef CONFIG_BE2NET_VXLAN
3324 be_disable_vxlan_offloads(adapter
);
3326 /* delete the primary mac along with the uc-mac list */
3327 be_mac_clear(adapter
);
3329 be_cmd_if_destroy(adapter
, adapter
->if_handle
, 0);
3331 be_clear_queues(adapter
);
3333 be_msix_disable(adapter
);
3334 adapter
->flags
&= ~BE_FLAGS_SETUP_DONE
;
3338 static int be_if_create(struct be_adapter
*adapter
, u32
*if_handle
,
3339 u32 cap_flags
, u32 vf
)
3344 en_flags
= BE_IF_FLAGS_UNTAGGED
| BE_IF_FLAGS_BROADCAST
|
3345 BE_IF_FLAGS_MULTICAST
| BE_IF_FLAGS_PASS_L3L4_ERRORS
|
3348 en_flags
&= cap_flags
;
3350 status
= be_cmd_if_create(adapter
, cap_flags
, en_flags
,
3356 static int be_vfs_if_create(struct be_adapter
*adapter
)
3358 struct be_resources res
= {0};
3359 struct be_vf_cfg
*vf_cfg
;
3363 /* If a FW profile exists, then cap_flags are updated */
3364 cap_flags
= BE_IF_FLAGS_UNTAGGED
| BE_IF_FLAGS_BROADCAST
|
3365 BE_IF_FLAGS_MULTICAST
;
3367 for_all_vfs(adapter
, vf_cfg
, vf
) {
3368 if (!BE3_chip(adapter
)) {
3369 status
= be_cmd_get_profile_config(adapter
, &res
,
3372 cap_flags
= res
.if_cap_flags
;
3375 status
= be_if_create(adapter
, &vf_cfg
->if_handle
,
3384 static int be_vf_setup_init(struct be_adapter
*adapter
)
3386 struct be_vf_cfg
*vf_cfg
;
3389 adapter
->vf_cfg
= kcalloc(adapter
->num_vfs
, sizeof(*vf_cfg
),
3391 if (!adapter
->vf_cfg
)
3394 for_all_vfs(adapter
, vf_cfg
, vf
) {
3395 vf_cfg
->if_handle
= -1;
3396 vf_cfg
->pmac_id
= -1;
3401 static int be_vf_setup(struct be_adapter
*adapter
)
3403 struct device
*dev
= &adapter
->pdev
->dev
;
3404 struct be_vf_cfg
*vf_cfg
;
3405 int status
, old_vfs
, vf
;
3408 old_vfs
= pci_num_vf(adapter
->pdev
);
3410 status
= be_vf_setup_init(adapter
);
3415 for_all_vfs(adapter
, vf_cfg
, vf
) {
3416 status
= be_cmd_get_if_id(adapter
, vf_cfg
, vf
);
3421 status
= be_vfs_mac_query(adapter
);
3425 status
= be_vfs_if_create(adapter
);
3429 status
= be_vf_eth_addr_config(adapter
);
3434 for_all_vfs(adapter
, vf_cfg
, vf
) {
3435 /* Allow VFs to programs MAC/VLAN filters */
3436 status
= be_cmd_get_fn_privileges(adapter
, &privileges
, vf
+ 1);
3437 if (!status
&& !(privileges
& BE_PRIV_FILTMGMT
)) {
3438 status
= be_cmd_set_fn_privileges(adapter
,
3443 dev_info(dev
, "VF%d has FILTMGMT privilege\n",
3447 /* Allow full available bandwidth */
3449 be_cmd_config_qos(adapter
, 0, 0, vf
+ 1);
3452 be_cmd_enable_vf(adapter
, vf
+ 1);
3453 be_cmd_set_logical_link_config(adapter
,
3454 IFLA_VF_LINK_STATE_AUTO
,
3460 status
= pci_enable_sriov(adapter
->pdev
, adapter
->num_vfs
);
3462 dev_err(dev
, "SRIOV enable failed\n");
3463 adapter
->num_vfs
= 0;
3468 adapter
->flags
|= BE_FLAGS_SRIOV_ENABLED
;
3471 dev_err(dev
, "VF setup failed\n");
3472 be_vf_clear(adapter
);
3476 /* Converting function_mode bits on BE3 to SH mc_type enums */
3478 static u8
be_convert_mc_type(u32 function_mode
)
3480 if (function_mode
& VNIC_MODE
&& function_mode
& QNQ_MODE
)
3482 else if (function_mode
& QNQ_MODE
)
3484 else if (function_mode
& VNIC_MODE
)
3486 else if (function_mode
& UMC_ENABLED
)
3492 /* On BE2/BE3 FW does not suggest the supported limits */
3493 static void BEx_get_resources(struct be_adapter
*adapter
,
3494 struct be_resources
*res
)
3496 bool use_sriov
= adapter
->num_vfs
? 1 : 0;
3498 if (be_physfn(adapter
))
3499 res
->max_uc_mac
= BE_UC_PMAC_COUNT
;
3501 res
->max_uc_mac
= BE_VF_UC_PMAC_COUNT
;
3503 adapter
->mc_type
= be_convert_mc_type(adapter
->function_mode
);
3505 if (be_is_mc(adapter
)) {
3506 /* Assuming that there are 4 channels per port,
3507 * when multi-channel is enabled
3509 if (be_is_qnq_mode(adapter
))
3510 res
->max_vlans
= BE_NUM_VLANS_SUPPORTED
/8;
3512 /* In a non-qnq multichannel mode, the pvid
3513 * takes up one vlan entry
3515 res
->max_vlans
= (BE_NUM_VLANS_SUPPORTED
/ 4) - 1;
3517 res
->max_vlans
= BE_NUM_VLANS_SUPPORTED
;
3520 res
->max_mcast_mac
= BE_MAX_MC
;
3522 /* 1) For BE3 1Gb ports, FW does not support multiple TXQs
3523 * 2) Create multiple TX rings on a BE3-R multi-channel interface
3524 * *only* if it is RSS-capable.
3526 if (BE2_chip(adapter
) || use_sriov
|| (adapter
->port_num
> 1) ||
3527 !be_physfn(adapter
) || (be_is_mc(adapter
) &&
3528 !(adapter
->function_caps
& BE_FUNCTION_CAPS_RSS
))) {
3530 } else if (adapter
->function_caps
& BE_FUNCTION_CAPS_SUPER_NIC
) {
3531 struct be_resources super_nic_res
= {0};
3533 /* On a SuperNIC profile, the driver needs to use the
3534 * GET_PROFILE_CONFIG cmd to query the per-function TXQ limits
3536 be_cmd_get_profile_config(adapter
, &super_nic_res
, 0);
3537 /* Some old versions of BE3 FW don't report max_tx_qs value */
3538 res
->max_tx_qs
= super_nic_res
.max_tx_qs
? : BE3_MAX_TX_QS
;
3540 res
->max_tx_qs
= BE3_MAX_TX_QS
;
3543 if ((adapter
->function_caps
& BE_FUNCTION_CAPS_RSS
) &&
3544 !use_sriov
&& be_physfn(adapter
))
3545 res
->max_rss_qs
= (adapter
->be3_native
) ?
3546 BE3_MAX_RSS_QS
: BE2_MAX_RSS_QS
;
3547 res
->max_rx_qs
= res
->max_rss_qs
+ 1;
3549 if (be_physfn(adapter
))
3550 res
->max_evt_qs
= (be_max_vfs(adapter
) > 0) ?
3551 BE3_SRIOV_MAX_EVT_QS
: BE3_MAX_EVT_QS
;
3553 res
->max_evt_qs
= 1;
3555 res
->if_cap_flags
= BE_IF_CAP_FLAGS_WANT
;
3556 if (!(adapter
->function_caps
& BE_FUNCTION_CAPS_RSS
))
3557 res
->if_cap_flags
&= ~BE_IF_FLAGS_RSS
;
3560 static void be_setup_init(struct be_adapter
*adapter
)
3562 adapter
->vlan_prio_bmap
= 0xff;
3563 adapter
->phy
.link_speed
= -1;
3564 adapter
->if_handle
= -1;
3565 adapter
->be3_native
= false;
3566 adapter
->if_flags
= 0;
3567 if (be_physfn(adapter
))
3568 adapter
->cmd_privileges
= MAX_PRIVILEGES
;
3570 adapter
->cmd_privileges
= MIN_PRIVILEGES
;
3573 static int be_get_sriov_config(struct be_adapter
*adapter
)
3575 struct device
*dev
= &adapter
->pdev
->dev
;
3576 struct be_resources res
= {0};
3577 int max_vfs
, old_vfs
;
3579 /* Some old versions of BE3 FW don't report max_vfs value */
3580 be_cmd_get_profile_config(adapter
, &res
, 0);
3582 if (BE3_chip(adapter
) && !res
.max_vfs
) {
3583 max_vfs
= pci_sriov_get_totalvfs(adapter
->pdev
);
3584 res
.max_vfs
= max_vfs
> 0 ? min(MAX_VFS
, max_vfs
) : 0;
3587 adapter
->pool_res
= res
;
3589 if (!be_max_vfs(adapter
)) {
3591 dev_warn(dev
, "SRIOV is disabled. Ignoring num_vfs\n");
3592 adapter
->num_vfs
= 0;
3596 pci_sriov_set_totalvfs(adapter
->pdev
, be_max_vfs(adapter
));
3598 /* validate num_vfs module param */
3599 old_vfs
= pci_num_vf(adapter
->pdev
);
3601 dev_info(dev
, "%d VFs are already enabled\n", old_vfs
);
3602 if (old_vfs
!= num_vfs
)
3603 dev_warn(dev
, "Ignoring num_vfs=%d setting\n", num_vfs
);
3604 adapter
->num_vfs
= old_vfs
;
3606 if (num_vfs
> be_max_vfs(adapter
)) {
3607 dev_info(dev
, "Resources unavailable to init %d VFs\n",
3609 dev_info(dev
, "Limiting to %d VFs\n",
3610 be_max_vfs(adapter
));
3612 adapter
->num_vfs
= min_t(u16
, num_vfs
, be_max_vfs(adapter
));
3618 static int be_get_resources(struct be_adapter
*adapter
)
3620 struct device
*dev
= &adapter
->pdev
->dev
;
3621 struct be_resources res
= {0};
3624 if (BEx_chip(adapter
)) {
3625 BEx_get_resources(adapter
, &res
);
3629 /* For Lancer, SH etc read per-function resource limits from FW.
3630 * GET_FUNC_CONFIG returns per function guaranteed limits.
3631 * GET_PROFILE_CONFIG returns PCI-E related limits PF-pool limits
3633 if (!BEx_chip(adapter
)) {
3634 status
= be_cmd_get_func_config(adapter
, &res
);
3638 /* If RoCE may be enabled stash away half the EQs for RoCE */
3639 if (be_roce_supported(adapter
))
3640 res
.max_evt_qs
/= 2;
3644 dev_info(dev
, "Max: txqs %d, rxqs %d, rss %d, eqs %d, vfs %d\n",
3645 be_max_txqs(adapter
), be_max_rxqs(adapter
),
3646 be_max_rss(adapter
), be_max_eqs(adapter
),
3647 be_max_vfs(adapter
));
3648 dev_info(dev
, "Max: uc-macs %d, mc-macs %d, vlans %d\n",
3649 be_max_uc(adapter
), be_max_mc(adapter
),
3650 be_max_vlans(adapter
));
3655 static void be_sriov_config(struct be_adapter
*adapter
)
3657 struct device
*dev
= &adapter
->pdev
->dev
;
3660 status
= be_get_sriov_config(adapter
);
3662 dev_err(dev
, "Failed to query SR-IOV configuration\n");
3663 dev_err(dev
, "SR-IOV cannot be enabled\n");
3667 /* When the HW is in SRIOV capable configuration, the PF-pool
3668 * resources are equally distributed across the max-number of
3669 * VFs. The user may request only a subset of the max-vfs to be
3670 * enabled. Based on num_vfs, redistribute the resources across
3671 * num_vfs so that each VF will have access to more number of
3672 * resources. This facility is not available in BE3 FW.
3673 * Also, this is done by FW in Lancer chip.
3675 if (be_max_vfs(adapter
) && !pci_num_vf(adapter
->pdev
)) {
3676 status
= be_cmd_set_sriov_config(adapter
,
3680 dev_err(dev
, "Failed to optimize SR-IOV resources\n");
3684 static int be_get_config(struct be_adapter
*adapter
)
3689 status
= be_cmd_query_fw_cfg(adapter
);
3693 be_cmd_query_port_name(adapter
);
3695 if (be_physfn(adapter
)) {
3696 status
= be_cmd_get_active_profile(adapter
, &profile_id
);
3698 dev_info(&adapter
->pdev
->dev
,
3699 "Using profile 0x%x\n", profile_id
);
3702 if (!BE2_chip(adapter
) && be_physfn(adapter
))
3703 be_sriov_config(adapter
);
3705 status
= be_get_resources(adapter
);
3709 adapter
->pmac_id
= kcalloc(be_max_uc(adapter
),
3710 sizeof(*adapter
->pmac_id
), GFP_KERNEL
);
3711 if (!adapter
->pmac_id
)
3714 /* Sanitize cfg_num_qs based on HW and platform limits */
3715 adapter
->cfg_num_qs
= min(adapter
->cfg_num_qs
, be_max_qs(adapter
));
3720 static int be_mac_setup(struct be_adapter
*adapter
)
3725 if (is_zero_ether_addr(adapter
->netdev
->dev_addr
)) {
3726 status
= be_cmd_get_perm_mac(adapter
, mac
);
3730 memcpy(adapter
->netdev
->dev_addr
, mac
, ETH_ALEN
);
3731 memcpy(adapter
->netdev
->perm_addr
, mac
, ETH_ALEN
);
3733 /* Maybe the HW was reset; dev_addr must be re-programmed */
3734 memcpy(mac
, adapter
->netdev
->dev_addr
, ETH_ALEN
);
3737 /* For BE3-R VFs, the PF programs the initial MAC address */
3738 if (!(BEx_chip(adapter
) && be_virtfn(adapter
)))
3739 be_cmd_pmac_add(adapter
, mac
, adapter
->if_handle
,
3740 &adapter
->pmac_id
[0], 0);
3744 static void be_schedule_worker(struct be_adapter
*adapter
)
3746 schedule_delayed_work(&adapter
->work
, msecs_to_jiffies(1000));
3747 adapter
->flags
|= BE_FLAGS_WORKER_SCHEDULED
;
3750 static int be_setup_queues(struct be_adapter
*adapter
)
3752 struct net_device
*netdev
= adapter
->netdev
;
3755 status
= be_evt_queues_create(adapter
);
3759 status
= be_tx_qs_create(adapter
);
3763 status
= be_rx_cqs_create(adapter
);
3767 status
= be_mcc_queues_create(adapter
);
3771 status
= netif_set_real_num_rx_queues(netdev
, adapter
->num_rx_qs
);
3775 status
= netif_set_real_num_tx_queues(netdev
, adapter
->num_tx_qs
);
3781 dev_err(&adapter
->pdev
->dev
, "queue_setup failed\n");
3785 int be_update_queues(struct be_adapter
*adapter
)
3787 struct net_device
*netdev
= adapter
->netdev
;
3790 if (netif_running(netdev
))
3793 be_cancel_worker(adapter
);
3795 /* If any vectors have been shared with RoCE we cannot re-program
3798 if (!adapter
->num_msix_roce_vec
)
3799 be_msix_disable(adapter
);
3801 be_clear_queues(adapter
);
3803 if (!msix_enabled(adapter
)) {
3804 status
= be_msix_enable(adapter
);
3809 status
= be_setup_queues(adapter
);
3813 be_schedule_worker(adapter
);
3815 if (netif_running(netdev
))
3816 status
= be_open(netdev
);
3821 static inline int fw_major_num(const char *fw_ver
)
3823 int fw_major
= 0, i
;
3825 i
= sscanf(fw_ver
, "%d.", &fw_major
);
3832 static int be_setup(struct be_adapter
*adapter
)
3834 struct device
*dev
= &adapter
->pdev
->dev
;
3837 be_setup_init(adapter
);
3839 if (!lancer_chip(adapter
))
3840 be_cmd_req_native_mode(adapter
);
3842 status
= be_get_config(adapter
);
3846 status
= be_msix_enable(adapter
);
3850 status
= be_if_create(adapter
, &adapter
->if_handle
,
3851 be_if_cap_flags(adapter
), 0);
3855 /* Updating real_num_tx/rx_queues() requires rtnl_lock() */
3857 status
= be_setup_queues(adapter
);
3862 be_cmd_get_fn_privileges(adapter
, &adapter
->cmd_privileges
, 0);
3864 status
= be_mac_setup(adapter
);
3868 be_cmd_get_fw_ver(adapter
);
3869 dev_info(dev
, "FW version is %s\n", adapter
->fw_ver
);
3871 if (BE2_chip(adapter
) && fw_major_num(adapter
->fw_ver
) < 4) {
3872 dev_err(dev
, "Firmware on card is old(%s), IRQs may not work",
3874 dev_err(dev
, "Please upgrade firmware to version >= 4.0\n");
3877 if (adapter
->vlans_added
)
3878 be_vid_config(adapter
);
3880 be_set_rx_mode(adapter
->netdev
);
3882 be_cmd_get_acpi_wol_cap(adapter
);
3884 status
= be_cmd_set_flow_control(adapter
, adapter
->tx_fc
,
3887 be_cmd_get_flow_control(adapter
, &adapter
->tx_fc
,
3890 dev_info(&adapter
->pdev
->dev
, "HW Flow control - TX:%d RX:%d\n",
3891 adapter
->tx_fc
, adapter
->rx_fc
);
3893 if (be_physfn(adapter
))
3894 be_cmd_set_logical_link_config(adapter
,
3895 IFLA_VF_LINK_STATE_AUTO
, 0);
3897 if (adapter
->num_vfs
)
3898 be_vf_setup(adapter
);
3900 status
= be_cmd_get_phy_info(adapter
);
3901 if (!status
&& be_pause_supported(adapter
))
3902 adapter
->phy
.fc_autoneg
= 1;
3904 be_schedule_worker(adapter
);
3905 adapter
->flags
|= BE_FLAGS_SETUP_DONE
;
3912 #ifdef CONFIG_NET_POLL_CONTROLLER
3913 static void be_netpoll(struct net_device
*netdev
)
3915 struct be_adapter
*adapter
= netdev_priv(netdev
);
3916 struct be_eq_obj
*eqo
;
3919 for_all_evt_queues(adapter
, eqo
, i
) {
3920 be_eq_notify(eqo
->adapter
, eqo
->q
.id
, false, true, 0);
3921 napi_schedule(&eqo
->napi
);
3926 static char flash_cookie
[2][16] = {"*** SE FLAS", "H DIRECTORY *** "};
3928 static bool phy_flashing_required(struct be_adapter
*adapter
)
3930 return (adapter
->phy
.phy_type
== PHY_TYPE_TN_8022
&&
3931 adapter
->phy
.interface_type
== PHY_TYPE_BASET_10GB
);
3934 static bool is_comp_in_ufi(struct be_adapter
*adapter
,
3935 struct flash_section_info
*fsec
, int type
)
3937 int i
= 0, img_type
= 0;
3938 struct flash_section_info_g2
*fsec_g2
= NULL
;
3940 if (BE2_chip(adapter
))
3941 fsec_g2
= (struct flash_section_info_g2
*)fsec
;
3943 for (i
= 0; i
< MAX_FLASH_COMP
; i
++) {
3945 img_type
= le32_to_cpu(fsec_g2
->fsec_entry
[i
].type
);
3947 img_type
= le32_to_cpu(fsec
->fsec_entry
[i
].type
);
3949 if (img_type
== type
)
3956 static struct flash_section_info
*get_fsec_info(struct be_adapter
*adapter
,
3958 const struct firmware
*fw
)
3960 struct flash_section_info
*fsec
= NULL
;
3961 const u8
*p
= fw
->data
;
3964 while (p
< (fw
->data
+ fw
->size
)) {
3965 fsec
= (struct flash_section_info
*)p
;
3966 if (!memcmp(flash_cookie
, fsec
->cookie
, sizeof(flash_cookie
)))
3973 static int be_check_flash_crc(struct be_adapter
*adapter
, const u8
*p
,
3974 u32 img_offset
, u32 img_size
, int hdr_size
,
3975 u16 img_optype
, bool *crc_match
)
3981 status
= be_cmd_get_flash_crc(adapter
, crc
, img_optype
, img_offset
,
3986 crc_offset
= hdr_size
+ img_offset
+ img_size
- 4;
3988 /* Skip flashing, if crc of flashed region matches */
3989 if (!memcmp(crc
, p
+ crc_offset
, 4))
3997 static int be_flash(struct be_adapter
*adapter
, const u8
*img
,
3998 struct be_dma_mem
*flash_cmd
, int optype
, int img_size
,
4001 u32 flash_op
, num_bytes
, total_bytes
= img_size
, bytes_sent
= 0;
4002 struct be_cmd_write_flashrom
*req
= flash_cmd
->va
;
4005 while (total_bytes
) {
4006 num_bytes
= min_t(u32
, 32*1024, total_bytes
);
4008 total_bytes
-= num_bytes
;
4011 if (optype
== OPTYPE_PHY_FW
)
4012 flash_op
= FLASHROM_OPER_PHY_FLASH
;
4014 flash_op
= FLASHROM_OPER_FLASH
;
4016 if (optype
== OPTYPE_PHY_FW
)
4017 flash_op
= FLASHROM_OPER_PHY_SAVE
;
4019 flash_op
= FLASHROM_OPER_SAVE
;
4022 memcpy(req
->data_buf
, img
, num_bytes
);
4024 status
= be_cmd_write_flashrom(adapter
, flash_cmd
, optype
,
4025 flash_op
, img_offset
+
4026 bytes_sent
, num_bytes
);
4027 if (base_status(status
) == MCC_STATUS_ILLEGAL_REQUEST
&&
4028 optype
== OPTYPE_PHY_FW
)
4033 bytes_sent
+= num_bytes
;
4038 /* For BE2, BE3 and BE3-R */
4039 static int be_flash_BEx(struct be_adapter
*adapter
,
4040 const struct firmware
*fw
,
4041 struct be_dma_mem
*flash_cmd
, int num_of_images
)
4043 int img_hdrs_size
= (num_of_images
* sizeof(struct image_hdr
));
4044 struct device
*dev
= &adapter
->pdev
->dev
;
4045 struct flash_section_info
*fsec
= NULL
;
4046 int status
, i
, filehdr_size
, num_comp
;
4047 const struct flash_comp
*pflashcomp
;
4051 struct flash_comp gen3_flash_types
[] = {
4052 { FLASH_iSCSI_PRIMARY_IMAGE_START_g3
, OPTYPE_ISCSI_ACTIVE
,
4053 FLASH_IMAGE_MAX_SIZE_g3
, IMAGE_FIRMWARE_iSCSI
},
4054 { FLASH_REDBOOT_START_g3
, OPTYPE_REDBOOT
,
4055 FLASH_REDBOOT_IMAGE_MAX_SIZE_g3
, IMAGE_BOOT_CODE
},
4056 { FLASH_iSCSI_BIOS_START_g3
, OPTYPE_BIOS
,
4057 FLASH_BIOS_IMAGE_MAX_SIZE_g3
, IMAGE_OPTION_ROM_ISCSI
},
4058 { FLASH_PXE_BIOS_START_g3
, OPTYPE_PXE_BIOS
,
4059 FLASH_BIOS_IMAGE_MAX_SIZE_g3
, IMAGE_OPTION_ROM_PXE
},
4060 { FLASH_FCoE_BIOS_START_g3
, OPTYPE_FCOE_BIOS
,
4061 FLASH_BIOS_IMAGE_MAX_SIZE_g3
, IMAGE_OPTION_ROM_FCoE
},
4062 { FLASH_iSCSI_BACKUP_IMAGE_START_g3
, OPTYPE_ISCSI_BACKUP
,
4063 FLASH_IMAGE_MAX_SIZE_g3
, IMAGE_FIRMWARE_BACKUP_iSCSI
},
4064 { FLASH_FCoE_PRIMARY_IMAGE_START_g3
, OPTYPE_FCOE_FW_ACTIVE
,
4065 FLASH_IMAGE_MAX_SIZE_g3
, IMAGE_FIRMWARE_FCoE
},
4066 { FLASH_FCoE_BACKUP_IMAGE_START_g3
, OPTYPE_FCOE_FW_BACKUP
,
4067 FLASH_IMAGE_MAX_SIZE_g3
, IMAGE_FIRMWARE_BACKUP_FCoE
},
4068 { FLASH_NCSI_START_g3
, OPTYPE_NCSI_FW
,
4069 FLASH_NCSI_IMAGE_MAX_SIZE_g3
, IMAGE_NCSI
},
4070 { FLASH_PHY_FW_START_g3
, OPTYPE_PHY_FW
,
4071 FLASH_PHY_FW_IMAGE_MAX_SIZE_g3
, IMAGE_FIRMWARE_PHY
}
4074 struct flash_comp gen2_flash_types
[] = {
4075 { FLASH_iSCSI_PRIMARY_IMAGE_START_g2
, OPTYPE_ISCSI_ACTIVE
,
4076 FLASH_IMAGE_MAX_SIZE_g2
, IMAGE_FIRMWARE_iSCSI
},
4077 { FLASH_REDBOOT_START_g2
, OPTYPE_REDBOOT
,
4078 FLASH_REDBOOT_IMAGE_MAX_SIZE_g2
, IMAGE_BOOT_CODE
},
4079 { FLASH_iSCSI_BIOS_START_g2
, OPTYPE_BIOS
,
4080 FLASH_BIOS_IMAGE_MAX_SIZE_g2
, IMAGE_OPTION_ROM_ISCSI
},
4081 { FLASH_PXE_BIOS_START_g2
, OPTYPE_PXE_BIOS
,
4082 FLASH_BIOS_IMAGE_MAX_SIZE_g2
, IMAGE_OPTION_ROM_PXE
},
4083 { FLASH_FCoE_BIOS_START_g2
, OPTYPE_FCOE_BIOS
,
4084 FLASH_BIOS_IMAGE_MAX_SIZE_g2
, IMAGE_OPTION_ROM_FCoE
},
4085 { FLASH_iSCSI_BACKUP_IMAGE_START_g2
, OPTYPE_ISCSI_BACKUP
,
4086 FLASH_IMAGE_MAX_SIZE_g2
, IMAGE_FIRMWARE_BACKUP_iSCSI
},
4087 { FLASH_FCoE_PRIMARY_IMAGE_START_g2
, OPTYPE_FCOE_FW_ACTIVE
,
4088 FLASH_IMAGE_MAX_SIZE_g2
, IMAGE_FIRMWARE_FCoE
},
4089 { FLASH_FCoE_BACKUP_IMAGE_START_g2
, OPTYPE_FCOE_FW_BACKUP
,
4090 FLASH_IMAGE_MAX_SIZE_g2
, IMAGE_FIRMWARE_BACKUP_FCoE
}
4093 if (BE3_chip(adapter
)) {
4094 pflashcomp
= gen3_flash_types
;
4095 filehdr_size
= sizeof(struct flash_file_hdr_g3
);
4096 num_comp
= ARRAY_SIZE(gen3_flash_types
);
4098 pflashcomp
= gen2_flash_types
;
4099 filehdr_size
= sizeof(struct flash_file_hdr_g2
);
4100 num_comp
= ARRAY_SIZE(gen2_flash_types
);
4104 /* Get flash section info*/
4105 fsec
= get_fsec_info(adapter
, filehdr_size
+ img_hdrs_size
, fw
);
4107 dev_err(dev
, "Invalid Cookie. FW image may be corrupted\n");
4110 for (i
= 0; i
< num_comp
; i
++) {
4111 if (!is_comp_in_ufi(adapter
, fsec
, pflashcomp
[i
].img_type
))
4114 if ((pflashcomp
[i
].optype
== OPTYPE_NCSI_FW
) &&
4115 memcmp(adapter
->fw_ver
, "3.102.148.0", 11) < 0)
4118 if (pflashcomp
[i
].optype
== OPTYPE_PHY_FW
&&
4119 !phy_flashing_required(adapter
))
4122 if (pflashcomp
[i
].optype
== OPTYPE_REDBOOT
) {
4123 status
= be_check_flash_crc(adapter
, fw
->data
,
4124 pflashcomp
[i
].offset
,
4128 OPTYPE_REDBOOT
, &crc_match
);
4131 "Could not get CRC for 0x%x region\n",
4132 pflashcomp
[i
].optype
);
4140 p
= fw
->data
+ filehdr_size
+ pflashcomp
[i
].offset
+
4142 if (p
+ pflashcomp
[i
].size
> fw
->data
+ fw
->size
)
4145 status
= be_flash(adapter
, p
, flash_cmd
, pflashcomp
[i
].optype
,
4146 pflashcomp
[i
].size
, 0);
4148 dev_err(dev
, "Flashing section type 0x%x failed\n",
4149 pflashcomp
[i
].img_type
);
4156 static u16
be_get_img_optype(struct flash_section_entry fsec_entry
)
4158 u32 img_type
= le32_to_cpu(fsec_entry
.type
);
4159 u16 img_optype
= le16_to_cpu(fsec_entry
.optype
);
4161 if (img_optype
!= 0xFFFF)
4165 case IMAGE_FIRMWARE_iSCSI
:
4166 img_optype
= OPTYPE_ISCSI_ACTIVE
;
4168 case IMAGE_BOOT_CODE
:
4169 img_optype
= OPTYPE_REDBOOT
;
4171 case IMAGE_OPTION_ROM_ISCSI
:
4172 img_optype
= OPTYPE_BIOS
;
4174 case IMAGE_OPTION_ROM_PXE
:
4175 img_optype
= OPTYPE_PXE_BIOS
;
4177 case IMAGE_OPTION_ROM_FCoE
:
4178 img_optype
= OPTYPE_FCOE_BIOS
;
4180 case IMAGE_FIRMWARE_BACKUP_iSCSI
:
4181 img_optype
= OPTYPE_ISCSI_BACKUP
;
4184 img_optype
= OPTYPE_NCSI_FW
;
4186 case IMAGE_FLASHISM_JUMPVECTOR
:
4187 img_optype
= OPTYPE_FLASHISM_JUMPVECTOR
;
4189 case IMAGE_FIRMWARE_PHY
:
4190 img_optype
= OPTYPE_SH_PHY_FW
;
4192 case IMAGE_REDBOOT_DIR
:
4193 img_optype
= OPTYPE_REDBOOT_DIR
;
4195 case IMAGE_REDBOOT_CONFIG
:
4196 img_optype
= OPTYPE_REDBOOT_CONFIG
;
4199 img_optype
= OPTYPE_UFI_DIR
;
4208 static int be_flash_skyhawk(struct be_adapter
*adapter
,
4209 const struct firmware
*fw
,
4210 struct be_dma_mem
*flash_cmd
, int num_of_images
)
4212 int img_hdrs_size
= num_of_images
* sizeof(struct image_hdr
);
4213 bool crc_match
, old_fw_img
, flash_offset_support
= true;
4214 struct device
*dev
= &adapter
->pdev
->dev
;
4215 struct flash_section_info
*fsec
= NULL
;
4216 u32 img_offset
, img_size
, img_type
;
4217 u16 img_optype
, flash_optype
;
4218 int status
, i
, filehdr_size
;
4221 filehdr_size
= sizeof(struct flash_file_hdr_g3
);
4222 fsec
= get_fsec_info(adapter
, filehdr_size
+ img_hdrs_size
, fw
);
4224 dev_err(dev
, "Invalid Cookie. FW image may be corrupted\n");
4229 for (i
= 0; i
< le32_to_cpu(fsec
->fsec_hdr
.num_images
); i
++) {
4230 img_offset
= le32_to_cpu(fsec
->fsec_entry
[i
].offset
);
4231 img_size
= le32_to_cpu(fsec
->fsec_entry
[i
].pad_size
);
4232 img_type
= le32_to_cpu(fsec
->fsec_entry
[i
].type
);
4233 img_optype
= be_get_img_optype(fsec
->fsec_entry
[i
]);
4234 old_fw_img
= fsec
->fsec_entry
[i
].optype
== 0xFFFF;
4236 if (img_optype
== 0xFFFF)
4239 if (flash_offset_support
)
4240 flash_optype
= OPTYPE_OFFSET_SPECIFIED
;
4242 flash_optype
= img_optype
;
4244 /* Don't bother verifying CRC if an old FW image is being
4250 status
= be_check_flash_crc(adapter
, fw
->data
, img_offset
,
4251 img_size
, filehdr_size
+
4252 img_hdrs_size
, flash_optype
,
4254 if (base_status(status
) == MCC_STATUS_ILLEGAL_REQUEST
||
4255 base_status(status
) == MCC_STATUS_ILLEGAL_FIELD
) {
4256 /* The current FW image on the card does not support
4257 * OFFSET based flashing. Retry using older mechanism
4258 * of OPTYPE based flashing
4260 if (flash_optype
== OPTYPE_OFFSET_SPECIFIED
) {
4261 flash_offset_support
= false;
4265 /* The current FW image on the card does not recognize
4266 * the new FLASH op_type. The FW download is partially
4267 * complete. Reboot the server now to enable FW image
4268 * to recognize the new FLASH op_type. To complete the
4269 * remaining process, download the same FW again after
4272 dev_err(dev
, "Flash incomplete. Reset the server\n");
4273 dev_err(dev
, "Download FW image again after reset\n");
4275 } else if (status
) {
4276 dev_err(dev
, "Could not get CRC for 0x%x region\n",
4285 p
= fw
->data
+ filehdr_size
+ img_offset
+ img_hdrs_size
;
4286 if (p
+ img_size
> fw
->data
+ fw
->size
)
4289 status
= be_flash(adapter
, p
, flash_cmd
, flash_optype
, img_size
,
4292 /* The current FW image on the card does not support OFFSET
4293 * based flashing. Retry using older mechanism of OPTYPE based
4296 if (base_status(status
) == MCC_STATUS_ILLEGAL_FIELD
&&
4297 flash_optype
== OPTYPE_OFFSET_SPECIFIED
) {
4298 flash_offset_support
= false;
4302 /* For old FW images ignore ILLEGAL_FIELD error or errors on
4306 (base_status(status
) == MCC_STATUS_ILLEGAL_FIELD
||
4307 (img_optype
== OPTYPE_UFI_DIR
&&
4308 base_status(status
) == MCC_STATUS_FAILED
))) {
4310 } else if (status
) {
4311 dev_err(dev
, "Flashing section type 0x%x failed\n",
4319 static int lancer_fw_download(struct be_adapter
*adapter
,
4320 const struct firmware
*fw
)
4322 #define LANCER_FW_DOWNLOAD_CHUNK (32 * 1024)
4323 #define LANCER_FW_DOWNLOAD_LOCATION "/prg"
4324 struct device
*dev
= &adapter
->pdev
->dev
;
4325 struct be_dma_mem flash_cmd
;
4326 const u8
*data_ptr
= NULL
;
4327 u8
*dest_image_ptr
= NULL
;
4328 size_t image_size
= 0;
4330 u32 data_written
= 0;
4336 if (!IS_ALIGNED(fw
->size
, sizeof(u32
))) {
4337 dev_err(dev
, "FW image size should be multiple of 4\n");
4341 flash_cmd
.size
= sizeof(struct lancer_cmd_req_write_object
)
4342 + LANCER_FW_DOWNLOAD_CHUNK
;
4343 flash_cmd
.va
= dma_alloc_coherent(dev
, flash_cmd
.size
,
4344 &flash_cmd
.dma
, GFP_KERNEL
);
4348 dest_image_ptr
= flash_cmd
.va
+
4349 sizeof(struct lancer_cmd_req_write_object
);
4350 image_size
= fw
->size
;
4351 data_ptr
= fw
->data
;
4353 while (image_size
) {
4354 chunk_size
= min_t(u32
, image_size
, LANCER_FW_DOWNLOAD_CHUNK
);
4356 /* Copy the image chunk content. */
4357 memcpy(dest_image_ptr
, data_ptr
, chunk_size
);
4359 status
= lancer_cmd_write_object(adapter
, &flash_cmd
,
4361 LANCER_FW_DOWNLOAD_LOCATION
,
4362 &data_written
, &change_status
,
4367 offset
+= data_written
;
4368 data_ptr
+= data_written
;
4369 image_size
-= data_written
;
4373 /* Commit the FW written */
4374 status
= lancer_cmd_write_object(adapter
, &flash_cmd
,
4376 LANCER_FW_DOWNLOAD_LOCATION
,
4377 &data_written
, &change_status
,
4381 dma_free_coherent(dev
, flash_cmd
.size
, flash_cmd
.va
, flash_cmd
.dma
);
4383 dev_err(dev
, "Firmware load error\n");
4384 return be_cmd_status(status
);
4387 dev_info(dev
, "Firmware flashed successfully\n");
4389 if (change_status
== LANCER_FW_RESET_NEEDED
) {
4390 dev_info(dev
, "Resetting adapter to activate new FW\n");
4391 status
= lancer_physdev_ctrl(adapter
,
4392 PHYSDEV_CONTROL_FW_RESET_MASK
);
4394 dev_err(dev
, "Adapter busy, could not reset FW\n");
4395 dev_err(dev
, "Reboot server to activate new FW\n");
4397 } else if (change_status
!= LANCER_NO_RESET_NEEDED
) {
4398 dev_info(dev
, "Reboot server to activate new FW\n");
4408 #define SH_P2_UFI 11
4410 static int be_get_ufi_type(struct be_adapter
*adapter
,
4411 struct flash_file_hdr_g3
*fhdr
)
4414 dev_err(&adapter
->pdev
->dev
, "Invalid FW UFI file");
4418 /* First letter of the build version is used to identify
4419 * which chip this image file is meant for.
4421 switch (fhdr
->build
[0]) {
4422 case BLD_STR_UFI_TYPE_SH
:
4423 return (fhdr
->asic_type_rev
== ASIC_REV_P2
) ? SH_P2_UFI
:
4425 case BLD_STR_UFI_TYPE_BE3
:
4426 return (fhdr
->asic_type_rev
== ASIC_REV_B0
) ? BE3R_UFI
:
4428 case BLD_STR_UFI_TYPE_BE2
:
4435 /* Check if the flash image file is compatible with the adapter that
4437 * BE3 chips with asic-rev B0 must be flashed only with BE3R_UFI type.
4438 * Skyhawk chips with asic-rev P2 must be flashed only with SH_P2_UFI type.
4440 static bool be_check_ufi_compatibility(struct be_adapter
*adapter
,
4441 struct flash_file_hdr_g3
*fhdr
)
4443 int ufi_type
= be_get_ufi_type(adapter
, fhdr
);
4447 return skyhawk_chip(adapter
);
4449 return (skyhawk_chip(adapter
) &&
4450 adapter
->asic_rev
< ASIC_REV_P2
);
4452 return BE3_chip(adapter
);
4454 return (BE3_chip(adapter
) && adapter
->asic_rev
< ASIC_REV_B0
);
4456 return BE2_chip(adapter
);
4462 static int be_fw_download(struct be_adapter
*adapter
, const struct firmware
* fw
)
4464 struct device
*dev
= &adapter
->pdev
->dev
;
4465 struct flash_file_hdr_g3
*fhdr3
;
4466 struct image_hdr
*img_hdr_ptr
;
4467 int status
= 0, i
, num_imgs
;
4468 struct be_dma_mem flash_cmd
;
4470 fhdr3
= (struct flash_file_hdr_g3
*)fw
->data
;
4471 if (!be_check_ufi_compatibility(adapter
, fhdr3
)) {
4472 dev_err(dev
, "Flash image is not compatible with adapter\n");
4476 flash_cmd
.size
= sizeof(struct be_cmd_write_flashrom
);
4477 flash_cmd
.va
= dma_alloc_coherent(dev
, flash_cmd
.size
, &flash_cmd
.dma
,
4482 num_imgs
= le32_to_cpu(fhdr3
->num_imgs
);
4483 for (i
= 0; i
< num_imgs
; i
++) {
4484 img_hdr_ptr
= (struct image_hdr
*)(fw
->data
+
4485 (sizeof(struct flash_file_hdr_g3
) +
4486 i
* sizeof(struct image_hdr
)));
4487 if (!BE2_chip(adapter
) &&
4488 le32_to_cpu(img_hdr_ptr
->imageid
) != 1)
4491 if (skyhawk_chip(adapter
))
4492 status
= be_flash_skyhawk(adapter
, fw
, &flash_cmd
,
4495 status
= be_flash_BEx(adapter
, fw
, &flash_cmd
,
4499 dma_free_coherent(dev
, flash_cmd
.size
, flash_cmd
.va
, flash_cmd
.dma
);
4501 dev_info(dev
, "Firmware flashed successfully\n");
4506 int be_load_fw(struct be_adapter
*adapter
, u8
*fw_file
)
4508 const struct firmware
*fw
;
4511 if (!netif_running(adapter
->netdev
)) {
4512 dev_err(&adapter
->pdev
->dev
,
4513 "Firmware load not allowed (interface is down)\n");
4517 status
= request_firmware(&fw
, fw_file
, &adapter
->pdev
->dev
);
4521 dev_info(&adapter
->pdev
->dev
, "Flashing firmware file %s\n", fw_file
);
4523 if (lancer_chip(adapter
))
4524 status
= lancer_fw_download(adapter
, fw
);
4526 status
= be_fw_download(adapter
, fw
);
4529 be_cmd_get_fw_ver(adapter
);
4532 release_firmware(fw
);
4536 static int be_ndo_bridge_setlink(struct net_device
*dev
, struct nlmsghdr
*nlh
,
4539 struct be_adapter
*adapter
= netdev_priv(dev
);
4540 struct nlattr
*attr
, *br_spec
;
4545 if (!sriov_enabled(adapter
))
4548 br_spec
= nlmsg_find_attr(nlh
, sizeof(struct ifinfomsg
), IFLA_AF_SPEC
);
4552 nla_for_each_nested(attr
, br_spec
, rem
) {
4553 if (nla_type(attr
) != IFLA_BRIDGE_MODE
)
4556 if (nla_len(attr
) < sizeof(mode
))
4559 mode
= nla_get_u16(attr
);
4560 if (mode
!= BRIDGE_MODE_VEPA
&& mode
!= BRIDGE_MODE_VEB
)
4563 status
= be_cmd_set_hsw_config(adapter
, 0, 0,
4565 mode
== BRIDGE_MODE_VEPA
?
4566 PORT_FWD_TYPE_VEPA
:
4571 dev_info(&adapter
->pdev
->dev
, "enabled switch mode: %s\n",
4572 mode
== BRIDGE_MODE_VEPA
? "VEPA" : "VEB");
4577 dev_err(&adapter
->pdev
->dev
, "Failed to set switch mode %s\n",
4578 mode
== BRIDGE_MODE_VEPA
? "VEPA" : "VEB");
4583 static int be_ndo_bridge_getlink(struct sk_buff
*skb
, u32 pid
, u32 seq
,
4584 struct net_device
*dev
, u32 filter_mask
)
4586 struct be_adapter
*adapter
= netdev_priv(dev
);
4590 if (!sriov_enabled(adapter
))
4593 /* BE and Lancer chips support VEB mode only */
4594 if (BEx_chip(adapter
) || lancer_chip(adapter
)) {
4595 hsw_mode
= PORT_FWD_TYPE_VEB
;
4597 status
= be_cmd_get_hsw_config(adapter
, NULL
, 0,
4598 adapter
->if_handle
, &hsw_mode
);
4603 return ndo_dflt_bridge_getlink(skb
, pid
, seq
, dev
,
4604 hsw_mode
== PORT_FWD_TYPE_VEPA
?
4605 BRIDGE_MODE_VEPA
: BRIDGE_MODE_VEB
,
4609 #ifdef CONFIG_BE2NET_VXLAN
4610 /* VxLAN offload Notes:
4612 * The stack defines tunnel offload flags (hw_enc_features) for IP and doesn't
4613 * distinguish various types of transports (VxLAN, GRE, NVGRE ..). So, offload
4614 * is expected to work across all types of IP tunnels once exported. Skyhawk
4615 * supports offloads for either VxLAN or NVGRE, exclusively. So we export VxLAN
4616 * offloads in hw_enc_features only when a VxLAN port is added. If other (non
4617 * VxLAN) tunnels are configured while VxLAN offloads are enabled, offloads for
4618 * those other tunnels are unexported on the fly through ndo_features_check().
4620 * Skyhawk supports VxLAN offloads only for one UDP dport. So, if the stack
4621 * adds more than one port, disable offloads and don't re-enable them again
4622 * until after all the tunnels are removed.
4624 static void be_add_vxlan_port(struct net_device
*netdev
, sa_family_t sa_family
,
4627 struct be_adapter
*adapter
= netdev_priv(netdev
);
4628 struct device
*dev
= &adapter
->pdev
->dev
;
4631 if (lancer_chip(adapter
) || BEx_chip(adapter
))
4634 if (adapter
->flags
& BE_FLAGS_VXLAN_OFFLOADS
) {
4636 "Only one UDP port supported for VxLAN offloads\n");
4637 dev_info(dev
, "Disabling VxLAN offloads\n");
4638 adapter
->vxlan_port_count
++;
4642 if (adapter
->vxlan_port_count
++ >= 1)
4645 status
= be_cmd_manage_iface(adapter
, adapter
->if_handle
,
4646 OP_CONVERT_NORMAL_TO_TUNNEL
);
4648 dev_warn(dev
, "Failed to convert normal interface to tunnel\n");
4652 status
= be_cmd_set_vxlan_port(adapter
, port
);
4654 dev_warn(dev
, "Failed to add VxLAN port\n");
4657 adapter
->flags
|= BE_FLAGS_VXLAN_OFFLOADS
;
4658 adapter
->vxlan_port
= port
;
4660 netdev
->hw_enc_features
|= NETIF_F_IP_CSUM
| NETIF_F_IPV6_CSUM
|
4661 NETIF_F_TSO
| NETIF_F_TSO6
|
4662 NETIF_F_GSO_UDP_TUNNEL
;
4663 netdev
->hw_features
|= NETIF_F_GSO_UDP_TUNNEL
;
4664 netdev
->features
|= NETIF_F_GSO_UDP_TUNNEL
;
4666 dev_info(dev
, "Enabled VxLAN offloads for UDP port %d\n",
4670 be_disable_vxlan_offloads(adapter
);
4673 static void be_del_vxlan_port(struct net_device
*netdev
, sa_family_t sa_family
,
4676 struct be_adapter
*adapter
= netdev_priv(netdev
);
4678 if (lancer_chip(adapter
) || BEx_chip(adapter
))
4681 if (adapter
->vxlan_port
!= port
)
4684 be_disable_vxlan_offloads(adapter
);
4686 dev_info(&adapter
->pdev
->dev
,
4687 "Disabled VxLAN offloads for UDP port %d\n",
4690 adapter
->vxlan_port_count
--;
4693 static netdev_features_t
be_features_check(struct sk_buff
*skb
,
4694 struct net_device
*dev
,
4695 netdev_features_t features
)
4697 struct be_adapter
*adapter
= netdev_priv(dev
);
4700 /* The code below restricts offload features for some tunneled packets.
4701 * Offload features for normal (non tunnel) packets are unchanged.
4703 if (!skb
->encapsulation
||
4704 !(adapter
->flags
& BE_FLAGS_VXLAN_OFFLOADS
))
4707 /* It's an encapsulated packet and VxLAN offloads are enabled. We
4708 * should disable tunnel offload features if it's not a VxLAN packet,
4709 * as tunnel offloads have been enabled only for VxLAN. This is done to
4710 * allow other tunneled traffic like GRE work fine while VxLAN
4711 * offloads are configured in Skyhawk-R.
4713 switch (vlan_get_protocol(skb
)) {
4714 case htons(ETH_P_IP
):
4715 l4_hdr
= ip_hdr(skb
)->protocol
;
4717 case htons(ETH_P_IPV6
):
4718 l4_hdr
= ipv6_hdr(skb
)->nexthdr
;
4724 if (l4_hdr
!= IPPROTO_UDP
||
4725 skb
->inner_protocol_type
!= ENCAP_TYPE_ETHER
||
4726 skb
->inner_protocol
!= htons(ETH_P_TEB
) ||
4727 skb_inner_mac_header(skb
) - skb_transport_header(skb
) !=
4728 sizeof(struct udphdr
) + sizeof(struct vxlanhdr
))
4729 return features
& ~(NETIF_F_ALL_CSUM
| NETIF_F_GSO_MASK
);
4735 static const struct net_device_ops be_netdev_ops
= {
4736 .ndo_open
= be_open
,
4737 .ndo_stop
= be_close
,
4738 .ndo_start_xmit
= be_xmit
,
4739 .ndo_set_rx_mode
= be_set_rx_mode
,
4740 .ndo_set_mac_address
= be_mac_addr_set
,
4741 .ndo_change_mtu
= be_change_mtu
,
4742 .ndo_get_stats64
= be_get_stats64
,
4743 .ndo_validate_addr
= eth_validate_addr
,
4744 .ndo_vlan_rx_add_vid
= be_vlan_add_vid
,
4745 .ndo_vlan_rx_kill_vid
= be_vlan_rem_vid
,
4746 .ndo_set_vf_mac
= be_set_vf_mac
,
4747 .ndo_set_vf_vlan
= be_set_vf_vlan
,
4748 .ndo_set_vf_rate
= be_set_vf_tx_rate
,
4749 .ndo_get_vf_config
= be_get_vf_config
,
4750 .ndo_set_vf_link_state
= be_set_vf_link_state
,
4751 #ifdef CONFIG_NET_POLL_CONTROLLER
4752 .ndo_poll_controller
= be_netpoll
,
4754 .ndo_bridge_setlink
= be_ndo_bridge_setlink
,
4755 .ndo_bridge_getlink
= be_ndo_bridge_getlink
,
4756 #ifdef CONFIG_NET_RX_BUSY_POLL
4757 .ndo_busy_poll
= be_busy_poll
,
4759 #ifdef CONFIG_BE2NET_VXLAN
4760 .ndo_add_vxlan_port
= be_add_vxlan_port
,
4761 .ndo_del_vxlan_port
= be_del_vxlan_port
,
4762 .ndo_features_check
= be_features_check
,
4766 static void be_netdev_init(struct net_device
*netdev
)
4768 struct be_adapter
*adapter
= netdev_priv(netdev
);
4770 netdev
->hw_features
|= NETIF_F_SG
| NETIF_F_TSO
| NETIF_F_TSO6
|
4771 NETIF_F_IP_CSUM
| NETIF_F_IPV6_CSUM
| NETIF_F_RXCSUM
|
4772 NETIF_F_HW_VLAN_CTAG_TX
;
4773 if (be_multi_rxq(adapter
))
4774 netdev
->hw_features
|= NETIF_F_RXHASH
;
4776 netdev
->features
|= netdev
->hw_features
|
4777 NETIF_F_HW_VLAN_CTAG_RX
| NETIF_F_HW_VLAN_CTAG_FILTER
;
4779 netdev
->vlan_features
|= NETIF_F_SG
| NETIF_F_TSO
| NETIF_F_TSO6
|
4780 NETIF_F_IP_CSUM
| NETIF_F_IPV6_CSUM
;
4782 netdev
->priv_flags
|= IFF_UNICAST_FLT
;
4784 netdev
->flags
|= IFF_MULTICAST
;
4786 netif_set_gso_max_size(netdev
, 65535 - ETH_HLEN
);
4788 netdev
->netdev_ops
= &be_netdev_ops
;
4790 netdev
->ethtool_ops
= &be_ethtool_ops
;
4793 static void be_unmap_pci_bars(struct be_adapter
*adapter
)
4796 pci_iounmap(adapter
->pdev
, adapter
->csr
);
4798 pci_iounmap(adapter
->pdev
, adapter
->db
);
4801 static int db_bar(struct be_adapter
*adapter
)
4803 if (lancer_chip(adapter
) || !be_physfn(adapter
))
4809 static int be_roce_map_pci_bars(struct be_adapter
*adapter
)
4811 if (skyhawk_chip(adapter
)) {
4812 adapter
->roce_db
.size
= 4096;
4813 adapter
->roce_db
.io_addr
= pci_resource_start(adapter
->pdev
,
4815 adapter
->roce_db
.total_size
= pci_resource_len(adapter
->pdev
,
4821 static int be_map_pci_bars(struct be_adapter
*adapter
)
4825 if (BEx_chip(adapter
) && be_physfn(adapter
)) {
4826 adapter
->csr
= pci_iomap(adapter
->pdev
, 2, 0);
4831 addr
= pci_iomap(adapter
->pdev
, db_bar(adapter
), 0);
4836 be_roce_map_pci_bars(adapter
);
4840 dev_err(&adapter
->pdev
->dev
, "Error in mapping PCI BARs\n");
4841 be_unmap_pci_bars(adapter
);
4845 static void be_ctrl_cleanup(struct be_adapter
*adapter
)
4847 struct be_dma_mem
*mem
= &adapter
->mbox_mem_alloced
;
4849 be_unmap_pci_bars(adapter
);
4852 dma_free_coherent(&adapter
->pdev
->dev
, mem
->size
, mem
->va
,
4855 mem
= &adapter
->rx_filter
;
4857 dma_free_coherent(&adapter
->pdev
->dev
, mem
->size
, mem
->va
,
4861 static int be_ctrl_init(struct be_adapter
*adapter
)
4863 struct be_dma_mem
*mbox_mem_alloc
= &adapter
->mbox_mem_alloced
;
4864 struct be_dma_mem
*mbox_mem_align
= &adapter
->mbox_mem
;
4865 struct be_dma_mem
*rx_filter
= &adapter
->rx_filter
;
4869 pci_read_config_dword(adapter
->pdev
, SLI_INTF_REG_OFFSET
, &sli_intf
);
4870 adapter
->sli_family
= (sli_intf
& SLI_INTF_FAMILY_MASK
) >>
4871 SLI_INTF_FAMILY_SHIFT
;
4872 adapter
->virtfn
= (sli_intf
& SLI_INTF_FT_MASK
) ? 1 : 0;
4874 status
= be_map_pci_bars(adapter
);
4878 mbox_mem_alloc
->size
= sizeof(struct be_mcc_mailbox
) + 16;
4879 mbox_mem_alloc
->va
= dma_alloc_coherent(&adapter
->pdev
->dev
,
4880 mbox_mem_alloc
->size
,
4881 &mbox_mem_alloc
->dma
,
4883 if (!mbox_mem_alloc
->va
) {
4885 goto unmap_pci_bars
;
4887 mbox_mem_align
->size
= sizeof(struct be_mcc_mailbox
);
4888 mbox_mem_align
->va
= PTR_ALIGN(mbox_mem_alloc
->va
, 16);
4889 mbox_mem_align
->dma
= PTR_ALIGN(mbox_mem_alloc
->dma
, 16);
4890 memset(mbox_mem_align
->va
, 0, sizeof(struct be_mcc_mailbox
));
4892 rx_filter
->size
= sizeof(struct be_cmd_req_rx_filter
);
4893 rx_filter
->va
= dma_zalloc_coherent(&adapter
->pdev
->dev
,
4894 rx_filter
->size
, &rx_filter
->dma
,
4896 if (!rx_filter
->va
) {
4901 mutex_init(&adapter
->mbox_lock
);
4902 spin_lock_init(&adapter
->mcc_lock
);
4903 spin_lock_init(&adapter
->mcc_cq_lock
);
4905 init_completion(&adapter
->et_cmd_compl
);
4906 pci_save_state(adapter
->pdev
);
4910 dma_free_coherent(&adapter
->pdev
->dev
, mbox_mem_alloc
->size
,
4911 mbox_mem_alloc
->va
, mbox_mem_alloc
->dma
);
4914 be_unmap_pci_bars(adapter
);
4920 static void be_stats_cleanup(struct be_adapter
*adapter
)
4922 struct be_dma_mem
*cmd
= &adapter
->stats_cmd
;
4925 dma_free_coherent(&adapter
->pdev
->dev
, cmd
->size
,
4929 static int be_stats_init(struct be_adapter
*adapter
)
4931 struct be_dma_mem
*cmd
= &adapter
->stats_cmd
;
4933 if (lancer_chip(adapter
))
4934 cmd
->size
= sizeof(struct lancer_cmd_req_pport_stats
);
4935 else if (BE2_chip(adapter
))
4936 cmd
->size
= sizeof(struct be_cmd_req_get_stats_v0
);
4937 else if (BE3_chip(adapter
))
4938 cmd
->size
= sizeof(struct be_cmd_req_get_stats_v1
);
4940 /* ALL non-BE ASICs */
4941 cmd
->size
= sizeof(struct be_cmd_req_get_stats_v2
);
4943 cmd
->va
= dma_zalloc_coherent(&adapter
->pdev
->dev
, cmd
->size
, &cmd
->dma
,
4950 static void be_remove(struct pci_dev
*pdev
)
4952 struct be_adapter
*adapter
= pci_get_drvdata(pdev
);
4957 be_roce_dev_remove(adapter
);
4958 be_intr_set(adapter
, false);
4960 cancel_delayed_work_sync(&adapter
->func_recovery_work
);
4962 unregister_netdev(adapter
->netdev
);
4966 /* tell fw we're done with firing cmds */
4967 be_cmd_fw_clean(adapter
);
4969 be_stats_cleanup(adapter
);
4971 be_ctrl_cleanup(adapter
);
4973 pci_disable_pcie_error_reporting(pdev
);
4975 pci_release_regions(pdev
);
4976 pci_disable_device(pdev
);
4978 free_netdev(adapter
->netdev
);
4981 static int be_get_initial_config(struct be_adapter
*adapter
)
4985 status
= be_cmd_get_cntl_attributes(adapter
);
4989 /* Must be a power of 2 or else MODULO will BUG_ON */
4990 adapter
->be_get_temp_freq
= 64;
4992 if (BEx_chip(adapter
)) {
4993 level
= be_cmd_get_fw_log_level(adapter
);
4994 adapter
->msg_enable
=
4995 level
<= FW_LOG_LEVEL_DEFAULT
? NETIF_MSG_HW
: 0;
4998 adapter
->cfg_num_qs
= netif_get_num_default_rss_queues();
5002 static int lancer_recover_func(struct be_adapter
*adapter
)
5004 struct device
*dev
= &adapter
->pdev
->dev
;
5007 status
= lancer_test_and_set_rdy_state(adapter
);
5011 if (netif_running(adapter
->netdev
))
5012 be_close(adapter
->netdev
);
5016 be_clear_all_error(adapter
);
5018 status
= be_setup(adapter
);
5022 if (netif_running(adapter
->netdev
)) {
5023 status
= be_open(adapter
->netdev
);
5028 dev_err(dev
, "Adapter recovery successful\n");
5031 if (status
== -EAGAIN
)
5032 dev_err(dev
, "Waiting for resource provisioning\n");
5034 dev_err(dev
, "Adapter recovery failed\n");
5039 static void be_func_recovery_task(struct work_struct
*work
)
5041 struct be_adapter
*adapter
=
5042 container_of(work
, struct be_adapter
, func_recovery_work
.work
);
5045 be_detect_error(adapter
);
5047 if (adapter
->hw_error
&& lancer_chip(adapter
)) {
5049 netif_device_detach(adapter
->netdev
);
5052 status
= lancer_recover_func(adapter
);
5054 netif_device_attach(adapter
->netdev
);
5057 /* In Lancer, for all errors other than provisioning error (-EAGAIN),
5058 * no need to attempt further recovery.
5060 if (!status
|| status
== -EAGAIN
)
5061 schedule_delayed_work(&adapter
->func_recovery_work
,
5062 msecs_to_jiffies(1000));
5065 static void be_log_sfp_info(struct be_adapter
*adapter
)
5069 status
= be_cmd_query_sfp_info(adapter
);
5071 dev_err(&adapter
->pdev
->dev
,
5072 "Unqualified SFP+ detected on %c from %s part no: %s",
5073 adapter
->port_name
, adapter
->phy
.vendor_name
,
5074 adapter
->phy
.vendor_pn
);
5076 adapter
->flags
&= ~BE_FLAGS_EVT_INCOMPATIBLE_SFP
;
5079 static void be_worker(struct work_struct
*work
)
5081 struct be_adapter
*adapter
=
5082 container_of(work
, struct be_adapter
, work
.work
);
5083 struct be_rx_obj
*rxo
;
5086 /* when interrupts are not yet enabled, just reap any pending
5087 * mcc completions */
5088 if (!netif_running(adapter
->netdev
)) {
5090 be_process_mcc(adapter
);
5095 if (!adapter
->stats_cmd_sent
) {
5096 if (lancer_chip(adapter
))
5097 lancer_cmd_get_pport_stats(adapter
,
5098 &adapter
->stats_cmd
);
5100 be_cmd_get_stats(adapter
, &adapter
->stats_cmd
);
5103 if (be_physfn(adapter
) &&
5104 MODULO(adapter
->work_counter
, adapter
->be_get_temp_freq
) == 0)
5105 be_cmd_get_die_temperature(adapter
);
5107 for_all_rx_queues(adapter
, rxo
, i
) {
5108 /* Replenish RX-queues starved due to memory
5109 * allocation failures.
5111 if (rxo
->rx_post_starved
)
5112 be_post_rx_frags(rxo
, GFP_KERNEL
, MAX_RX_POST
);
5115 be_eqd_update(adapter
);
5117 if (adapter
->flags
& BE_FLAGS_EVT_INCOMPATIBLE_SFP
)
5118 be_log_sfp_info(adapter
);
5121 adapter
->work_counter
++;
5122 schedule_delayed_work(&adapter
->work
, msecs_to_jiffies(1000));
5125 /* If any VFs are already enabled don't FLR the PF */
5126 static bool be_reset_required(struct be_adapter
*adapter
)
5128 return pci_num_vf(adapter
->pdev
) ? false : true;
5131 static char *mc_name(struct be_adapter
*adapter
)
5133 char *str
= ""; /* default */
5135 switch (adapter
->mc_type
) {
5161 static inline char *func_name(struct be_adapter
*adapter
)
5163 return be_physfn(adapter
) ? "PF" : "VF";
5166 static inline char *nic_name(struct pci_dev
*pdev
)
5168 switch (pdev
->device
) {
5175 return OC_NAME_LANCER
;
5186 static int be_probe(struct pci_dev
*pdev
, const struct pci_device_id
*pdev_id
)
5188 struct be_adapter
*adapter
;
5189 struct net_device
*netdev
;
5192 dev_info(&pdev
->dev
, "%s version is %s\n", DRV_NAME
, DRV_VER
);
5194 status
= pci_enable_device(pdev
);
5198 status
= pci_request_regions(pdev
, DRV_NAME
);
5201 pci_set_master(pdev
);
5203 netdev
= alloc_etherdev_mqs(sizeof(*adapter
), MAX_TX_QS
, MAX_RX_QS
);
5208 adapter
= netdev_priv(netdev
);
5209 adapter
->pdev
= pdev
;
5210 pci_set_drvdata(pdev
, adapter
);
5211 adapter
->netdev
= netdev
;
5212 SET_NETDEV_DEV(netdev
, &pdev
->dev
);
5214 status
= dma_set_mask_and_coherent(&pdev
->dev
, DMA_BIT_MASK(64));
5216 netdev
->features
|= NETIF_F_HIGHDMA
;
5218 status
= dma_set_mask_and_coherent(&pdev
->dev
, DMA_BIT_MASK(32));
5220 dev_err(&pdev
->dev
, "Could not set PCI DMA Mask\n");
5225 status
= pci_enable_pcie_error_reporting(pdev
);
5227 dev_info(&pdev
->dev
, "PCIe error reporting enabled\n");
5229 status
= be_ctrl_init(adapter
);
5233 /* sync up with fw's ready state */
5234 if (be_physfn(adapter
)) {
5235 status
= be_fw_wait_ready(adapter
);
5240 if (be_reset_required(adapter
)) {
5241 status
= be_cmd_reset_function(adapter
);
5245 /* Wait for interrupts to quiesce after an FLR */
5249 /* Allow interrupts for other ULPs running on NIC function */
5250 be_intr_set(adapter
, true);
5252 /* tell fw we're ready to fire cmds */
5253 status
= be_cmd_fw_init(adapter
);
5257 status
= be_stats_init(adapter
);
5261 status
= be_get_initial_config(adapter
);
5265 INIT_DELAYED_WORK(&adapter
->work
, be_worker
);
5266 INIT_DELAYED_WORK(&adapter
->func_recovery_work
, be_func_recovery_task
);
5267 adapter
->rx_fc
= true;
5268 adapter
->tx_fc
= true;
5270 status
= be_setup(adapter
);
5274 be_netdev_init(netdev
);
5275 status
= register_netdev(netdev
);
5279 be_roce_dev_add(adapter
);
5281 schedule_delayed_work(&adapter
->func_recovery_work
,
5282 msecs_to_jiffies(1000));
5284 dev_info(&pdev
->dev
, "%s: %s %s port %c\n", nic_name(pdev
),
5285 func_name(adapter
), mc_name(adapter
), adapter
->port_name
);
5292 be_stats_cleanup(adapter
);
5294 be_ctrl_cleanup(adapter
);
5296 free_netdev(netdev
);
5298 pci_release_regions(pdev
);
5300 pci_disable_device(pdev
);
5302 dev_err(&pdev
->dev
, "%s initialization failed\n", nic_name(pdev
));
5306 static int be_suspend(struct pci_dev
*pdev
, pm_message_t state
)
5308 struct be_adapter
*adapter
= pci_get_drvdata(pdev
);
5309 struct net_device
*netdev
= adapter
->netdev
;
5311 if (adapter
->wol_en
)
5312 be_setup_wol(adapter
, true);
5314 be_intr_set(adapter
, false);
5315 cancel_delayed_work_sync(&adapter
->func_recovery_work
);
5317 netif_device_detach(netdev
);
5318 if (netif_running(netdev
)) {
5325 pci_save_state(pdev
);
5326 pci_disable_device(pdev
);
5327 pci_set_power_state(pdev
, pci_choose_state(pdev
, state
));
5331 static int be_resume(struct pci_dev
*pdev
)
5334 struct be_adapter
*adapter
= pci_get_drvdata(pdev
);
5335 struct net_device
*netdev
= adapter
->netdev
;
5337 netif_device_detach(netdev
);
5339 status
= pci_enable_device(pdev
);
5343 pci_set_power_state(pdev
, PCI_D0
);
5344 pci_restore_state(pdev
);
5346 status
= be_fw_wait_ready(adapter
);
5350 status
= be_cmd_reset_function(adapter
);
5354 be_intr_set(adapter
, true);
5355 /* tell fw we're ready to fire cmds */
5356 status
= be_cmd_fw_init(adapter
);
5361 if (netif_running(netdev
)) {
5367 schedule_delayed_work(&adapter
->func_recovery_work
,
5368 msecs_to_jiffies(1000));
5369 netif_device_attach(netdev
);
5371 if (adapter
->wol_en
)
5372 be_setup_wol(adapter
, false);
5378 * An FLR will stop BE from DMAing any data.
5380 static void be_shutdown(struct pci_dev
*pdev
)
5382 struct be_adapter
*adapter
= pci_get_drvdata(pdev
);
5387 be_roce_dev_shutdown(adapter
);
5388 cancel_delayed_work_sync(&adapter
->work
);
5389 cancel_delayed_work_sync(&adapter
->func_recovery_work
);
5391 netif_device_detach(adapter
->netdev
);
5393 be_cmd_reset_function(adapter
);
5395 pci_disable_device(pdev
);
5398 static pci_ers_result_t
be_eeh_err_detected(struct pci_dev
*pdev
,
5399 pci_channel_state_t state
)
5401 struct be_adapter
*adapter
= pci_get_drvdata(pdev
);
5402 struct net_device
*netdev
= adapter
->netdev
;
5404 dev_err(&adapter
->pdev
->dev
, "EEH error detected\n");
5406 if (!adapter
->eeh_error
) {
5407 adapter
->eeh_error
= true;
5409 cancel_delayed_work_sync(&adapter
->func_recovery_work
);
5412 netif_device_detach(netdev
);
5413 if (netif_running(netdev
))
5420 if (state
== pci_channel_io_perm_failure
)
5421 return PCI_ERS_RESULT_DISCONNECT
;
5423 pci_disable_device(pdev
);
5425 /* The error could cause the FW to trigger a flash debug dump.
5426 * Resetting the card while flash dump is in progress
5427 * can cause it not to recover; wait for it to finish.
5428 * Wait only for first function as it is needed only once per
5431 if (pdev
->devfn
== 0)
5434 return PCI_ERS_RESULT_NEED_RESET
;
5437 static pci_ers_result_t
be_eeh_reset(struct pci_dev
*pdev
)
5439 struct be_adapter
*adapter
= pci_get_drvdata(pdev
);
5442 dev_info(&adapter
->pdev
->dev
, "EEH reset\n");
5444 status
= pci_enable_device(pdev
);
5446 return PCI_ERS_RESULT_DISCONNECT
;
5448 pci_set_master(pdev
);
5449 pci_set_power_state(pdev
, PCI_D0
);
5450 pci_restore_state(pdev
);
5452 /* Check if card is ok and fw is ready */
5453 dev_info(&adapter
->pdev
->dev
,
5454 "Waiting for FW to be ready after EEH reset\n");
5455 status
= be_fw_wait_ready(adapter
);
5457 return PCI_ERS_RESULT_DISCONNECT
;
5459 pci_cleanup_aer_uncorrect_error_status(pdev
);
5460 be_clear_all_error(adapter
);
5461 return PCI_ERS_RESULT_RECOVERED
;
5464 static void be_eeh_resume(struct pci_dev
*pdev
)
5467 struct be_adapter
*adapter
= pci_get_drvdata(pdev
);
5468 struct net_device
*netdev
= adapter
->netdev
;
5470 dev_info(&adapter
->pdev
->dev
, "EEH resume\n");
5472 pci_save_state(pdev
);
5474 status
= be_cmd_reset_function(adapter
);
5478 /* On some BE3 FW versions, after a HW reset,
5479 * interrupts will remain disabled for each function.
5480 * So, explicitly enable interrupts
5482 be_intr_set(adapter
, true);
5484 /* tell fw we're ready to fire cmds */
5485 status
= be_cmd_fw_init(adapter
);
5489 status
= be_setup(adapter
);
5493 if (netif_running(netdev
)) {
5494 status
= be_open(netdev
);
5499 schedule_delayed_work(&adapter
->func_recovery_work
,
5500 msecs_to_jiffies(1000));
5501 netif_device_attach(netdev
);
5504 dev_err(&adapter
->pdev
->dev
, "EEH resume failed\n");
5507 static const struct pci_error_handlers be_eeh_handlers
= {
5508 .error_detected
= be_eeh_err_detected
,
5509 .slot_reset
= be_eeh_reset
,
5510 .resume
= be_eeh_resume
,
5513 static struct pci_driver be_driver
= {
5515 .id_table
= be_dev_ids
,
5517 .remove
= be_remove
,
5518 .suspend
= be_suspend
,
5519 .resume
= be_resume
,
5520 .shutdown
= be_shutdown
,
5521 .err_handler
= &be_eeh_handlers
5524 static int __init
be_init_module(void)
5526 if (rx_frag_size
!= 8192 && rx_frag_size
!= 4096 &&
5527 rx_frag_size
!= 2048) {
5528 printk(KERN_WARNING DRV_NAME
5529 " : Module param rx_frag_size must be 2048/4096/8192."
5531 rx_frag_size
= 2048;
5534 return pci_register_driver(&be_driver
);
5536 module_init(be_init_module
);
5538 static void __exit
be_exit_module(void)
5540 pci_unregister_driver(&be_driver
);
5542 module_exit(be_exit_module
);