2 * Copyright (C) 2005 - 2013 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>
27 MODULE_VERSION(DRV_VER
);
28 MODULE_DEVICE_TABLE(pci
, be_dev_ids
);
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 DEFINE_PCI_DEVICE_TABLE(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
[] = {
88 /* UE Status High CSR */
89 static const char * const ue_status_hi_desc
[] = {
124 /* Is BE in a multi-channel mode */
125 static inline bool be_is_mc(struct be_adapter
*adapter
) {
126 return (adapter
->function_mode
& FLEX10_MODE
||
127 adapter
->function_mode
& VNIC_MODE
||
128 adapter
->function_mode
& UMC_ENABLED
);
131 static void be_queue_free(struct be_adapter
*adapter
, struct be_queue_info
*q
)
133 struct be_dma_mem
*mem
= &q
->dma_mem
;
135 dma_free_coherent(&adapter
->pdev
->dev
, mem
->size
, mem
->va
,
141 static int be_queue_alloc(struct be_adapter
*adapter
, struct be_queue_info
*q
,
142 u16 len
, u16 entry_size
)
144 struct be_dma_mem
*mem
= &q
->dma_mem
;
146 memset(q
, 0, sizeof(*q
));
148 q
->entry_size
= entry_size
;
149 mem
->size
= len
* entry_size
;
150 mem
->va
= dma_zalloc_coherent(&adapter
->pdev
->dev
, mem
->size
, &mem
->dma
,
157 static void be_reg_intr_set(struct be_adapter
*adapter
, bool enable
)
161 pci_read_config_dword(adapter
->pdev
, PCICFG_MEMBAR_CTRL_INT_CTRL_OFFSET
,
163 enabled
= reg
& MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK
;
165 if (!enabled
&& enable
)
166 reg
|= MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK
;
167 else if (enabled
&& !enable
)
168 reg
&= ~MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK
;
172 pci_write_config_dword(adapter
->pdev
,
173 PCICFG_MEMBAR_CTRL_INT_CTRL_OFFSET
, reg
);
176 static void be_intr_set(struct be_adapter
*adapter
, bool enable
)
180 /* On lancer interrupts can't be controlled via this register */
181 if (lancer_chip(adapter
))
184 if (adapter
->eeh_error
)
187 status
= be_cmd_intr_set(adapter
, enable
);
189 be_reg_intr_set(adapter
, enable
);
192 static void be_rxq_notify(struct be_adapter
*adapter
, u16 qid
, u16 posted
)
195 val
|= qid
& DB_RQ_RING_ID_MASK
;
196 val
|= posted
<< DB_RQ_NUM_POSTED_SHIFT
;
199 iowrite32(val
, adapter
->db
+ DB_RQ_OFFSET
);
202 static void be_txq_notify(struct be_adapter
*adapter
, struct be_tx_obj
*txo
,
206 val
|= txo
->q
.id
& DB_TXULP_RING_ID_MASK
;
207 val
|= (posted
& DB_TXULP_NUM_POSTED_MASK
) << DB_TXULP_NUM_POSTED_SHIFT
;
210 iowrite32(val
, adapter
->db
+ txo
->db_offset
);
213 static void be_eq_notify(struct be_adapter
*adapter
, u16 qid
,
214 bool arm
, bool clear_int
, u16 num_popped
)
217 val
|= qid
& DB_EQ_RING_ID_MASK
;
218 val
|= ((qid
& DB_EQ_RING_ID_EXT_MASK
) <<
219 DB_EQ_RING_ID_EXT_MASK_SHIFT
);
221 if (adapter
->eeh_error
)
225 val
|= 1 << DB_EQ_REARM_SHIFT
;
227 val
|= 1 << DB_EQ_CLR_SHIFT
;
228 val
|= 1 << DB_EQ_EVNT_SHIFT
;
229 val
|= num_popped
<< DB_EQ_NUM_POPPED_SHIFT
;
230 iowrite32(val
, adapter
->db
+ DB_EQ_OFFSET
);
233 void be_cq_notify(struct be_adapter
*adapter
, u16 qid
, bool arm
, u16 num_popped
)
236 val
|= qid
& DB_CQ_RING_ID_MASK
;
237 val
|= ((qid
& DB_CQ_RING_ID_EXT_MASK
) <<
238 DB_CQ_RING_ID_EXT_MASK_SHIFT
);
240 if (adapter
->eeh_error
)
244 val
|= 1 << DB_CQ_REARM_SHIFT
;
245 val
|= num_popped
<< DB_CQ_NUM_POPPED_SHIFT
;
246 iowrite32(val
, adapter
->db
+ DB_CQ_OFFSET
);
249 static int be_mac_addr_set(struct net_device
*netdev
, void *p
)
251 struct be_adapter
*adapter
= netdev_priv(netdev
);
252 struct device
*dev
= &adapter
->pdev
->dev
;
253 struct sockaddr
*addr
= p
;
256 u32 old_pmac_id
= adapter
->pmac_id
[0], curr_pmac_id
= 0;
258 if (!is_valid_ether_addr(addr
->sa_data
))
259 return -EADDRNOTAVAIL
;
261 /* The PMAC_ADD cmd may fail if the VF doesn't have FILTMGMT
262 * privilege or if PF did not provision the new MAC address.
263 * On BE3, this cmd will always fail if the VF doesn't have the
264 * FILTMGMT privilege. This failure is OK, only if the PF programmed
265 * the MAC for the VF.
267 status
= be_cmd_pmac_add(adapter
, (u8
*)addr
->sa_data
,
268 adapter
->if_handle
, &adapter
->pmac_id
[0], 0);
270 curr_pmac_id
= adapter
->pmac_id
[0];
272 /* Delete the old programmed MAC. This call may fail if the
273 * old MAC was already deleted by the PF driver.
275 if (adapter
->pmac_id
[0] != old_pmac_id
)
276 be_cmd_pmac_del(adapter
, adapter
->if_handle
,
280 /* Decide if the new MAC is successfully activated only after
283 status
= be_cmd_get_active_mac(adapter
, curr_pmac_id
, mac
);
287 /* The MAC change did not happen, either due to lack of privilege
288 * or PF didn't pre-provision.
290 if (memcmp(addr
->sa_data
, mac
, ETH_ALEN
)) {
295 memcpy(netdev
->dev_addr
, addr
->sa_data
, netdev
->addr_len
);
296 dev_info(dev
, "MAC address changed to %pM\n", mac
);
299 dev_warn(dev
, "MAC address change to %pM failed\n", addr
->sa_data
);
303 /* BE2 supports only v0 cmd */
304 static void *hw_stats_from_cmd(struct be_adapter
*adapter
)
306 if (BE2_chip(adapter
)) {
307 struct be_cmd_resp_get_stats_v0
*cmd
= adapter
->stats_cmd
.va
;
309 return &cmd
->hw_stats
;
310 } else if (BE3_chip(adapter
)) {
311 struct be_cmd_resp_get_stats_v1
*cmd
= adapter
->stats_cmd
.va
;
313 return &cmd
->hw_stats
;
315 struct be_cmd_resp_get_stats_v2
*cmd
= adapter
->stats_cmd
.va
;
317 return &cmd
->hw_stats
;
321 /* BE2 supports only v0 cmd */
322 static void *be_erx_stats_from_cmd(struct be_adapter
*adapter
)
324 if (BE2_chip(adapter
)) {
325 struct be_hw_stats_v0
*hw_stats
= hw_stats_from_cmd(adapter
);
327 return &hw_stats
->erx
;
328 } else if (BE3_chip(adapter
)) {
329 struct be_hw_stats_v1
*hw_stats
= hw_stats_from_cmd(adapter
);
331 return &hw_stats
->erx
;
333 struct be_hw_stats_v2
*hw_stats
= hw_stats_from_cmd(adapter
);
335 return &hw_stats
->erx
;
339 static void populate_be_v0_stats(struct be_adapter
*adapter
)
341 struct be_hw_stats_v0
*hw_stats
= hw_stats_from_cmd(adapter
);
342 struct be_pmem_stats
*pmem_sts
= &hw_stats
->pmem
;
343 struct be_rxf_stats_v0
*rxf_stats
= &hw_stats
->rxf
;
344 struct be_port_rxf_stats_v0
*port_stats
=
345 &rxf_stats
->port
[adapter
->port_num
];
346 struct be_drv_stats
*drvs
= &adapter
->drv_stats
;
348 be_dws_le_to_cpu(hw_stats
, sizeof(*hw_stats
));
349 drvs
->rx_pause_frames
= port_stats
->rx_pause_frames
;
350 drvs
->rx_crc_errors
= port_stats
->rx_crc_errors
;
351 drvs
->rx_control_frames
= port_stats
->rx_control_frames
;
352 drvs
->rx_in_range_errors
= port_stats
->rx_in_range_errors
;
353 drvs
->rx_frame_too_long
= port_stats
->rx_frame_too_long
;
354 drvs
->rx_dropped_runt
= port_stats
->rx_dropped_runt
;
355 drvs
->rx_ip_checksum_errs
= port_stats
->rx_ip_checksum_errs
;
356 drvs
->rx_tcp_checksum_errs
= port_stats
->rx_tcp_checksum_errs
;
357 drvs
->rx_udp_checksum_errs
= port_stats
->rx_udp_checksum_errs
;
358 drvs
->rxpp_fifo_overflow_drop
= port_stats
->rx_fifo_overflow
;
359 drvs
->rx_dropped_tcp_length
= port_stats
->rx_dropped_tcp_length
;
360 drvs
->rx_dropped_too_small
= port_stats
->rx_dropped_too_small
;
361 drvs
->rx_dropped_too_short
= port_stats
->rx_dropped_too_short
;
362 drvs
->rx_out_range_errors
= port_stats
->rx_out_range_errors
;
363 drvs
->rx_input_fifo_overflow_drop
= port_stats
->rx_input_fifo_overflow
;
364 drvs
->rx_dropped_header_too_small
=
365 port_stats
->rx_dropped_header_too_small
;
366 drvs
->rx_address_filtered
=
367 port_stats
->rx_address_filtered
+
368 port_stats
->rx_vlan_filtered
;
369 drvs
->rx_alignment_symbol_errors
=
370 port_stats
->rx_alignment_symbol_errors
;
372 drvs
->tx_pauseframes
= port_stats
->tx_pauseframes
;
373 drvs
->tx_controlframes
= port_stats
->tx_controlframes
;
375 if (adapter
->port_num
)
376 drvs
->jabber_events
= rxf_stats
->port1_jabber_events
;
378 drvs
->jabber_events
= rxf_stats
->port0_jabber_events
;
379 drvs
->rx_drops_no_pbuf
= rxf_stats
->rx_drops_no_pbuf
;
380 drvs
->rx_drops_no_erx_descr
= rxf_stats
->rx_drops_no_erx_descr
;
381 drvs
->forwarded_packets
= rxf_stats
->forwarded_packets
;
382 drvs
->rx_drops_mtu
= rxf_stats
->rx_drops_mtu
;
383 drvs
->rx_drops_no_tpre_descr
= rxf_stats
->rx_drops_no_tpre_descr
;
384 drvs
->rx_drops_too_many_frags
= rxf_stats
->rx_drops_too_many_frags
;
385 adapter
->drv_stats
.eth_red_drops
= pmem_sts
->eth_red_drops
;
388 static void populate_be_v1_stats(struct be_adapter
*adapter
)
390 struct be_hw_stats_v1
*hw_stats
= hw_stats_from_cmd(adapter
);
391 struct be_pmem_stats
*pmem_sts
= &hw_stats
->pmem
;
392 struct be_rxf_stats_v1
*rxf_stats
= &hw_stats
->rxf
;
393 struct be_port_rxf_stats_v1
*port_stats
=
394 &rxf_stats
->port
[adapter
->port_num
];
395 struct be_drv_stats
*drvs
= &adapter
->drv_stats
;
397 be_dws_le_to_cpu(hw_stats
, sizeof(*hw_stats
));
398 drvs
->pmem_fifo_overflow_drop
= port_stats
->pmem_fifo_overflow_drop
;
399 drvs
->rx_priority_pause_frames
= port_stats
->rx_priority_pause_frames
;
400 drvs
->rx_pause_frames
= port_stats
->rx_pause_frames
;
401 drvs
->rx_crc_errors
= port_stats
->rx_crc_errors
;
402 drvs
->rx_control_frames
= port_stats
->rx_control_frames
;
403 drvs
->rx_in_range_errors
= port_stats
->rx_in_range_errors
;
404 drvs
->rx_frame_too_long
= port_stats
->rx_frame_too_long
;
405 drvs
->rx_dropped_runt
= port_stats
->rx_dropped_runt
;
406 drvs
->rx_ip_checksum_errs
= port_stats
->rx_ip_checksum_errs
;
407 drvs
->rx_tcp_checksum_errs
= port_stats
->rx_tcp_checksum_errs
;
408 drvs
->rx_udp_checksum_errs
= port_stats
->rx_udp_checksum_errs
;
409 drvs
->rx_dropped_tcp_length
= port_stats
->rx_dropped_tcp_length
;
410 drvs
->rx_dropped_too_small
= port_stats
->rx_dropped_too_small
;
411 drvs
->rx_dropped_too_short
= port_stats
->rx_dropped_too_short
;
412 drvs
->rx_out_range_errors
= port_stats
->rx_out_range_errors
;
413 drvs
->rx_dropped_header_too_small
=
414 port_stats
->rx_dropped_header_too_small
;
415 drvs
->rx_input_fifo_overflow_drop
=
416 port_stats
->rx_input_fifo_overflow_drop
;
417 drvs
->rx_address_filtered
= port_stats
->rx_address_filtered
;
418 drvs
->rx_alignment_symbol_errors
=
419 port_stats
->rx_alignment_symbol_errors
;
420 drvs
->rxpp_fifo_overflow_drop
= port_stats
->rxpp_fifo_overflow_drop
;
421 drvs
->tx_pauseframes
= port_stats
->tx_pauseframes
;
422 drvs
->tx_controlframes
= port_stats
->tx_controlframes
;
423 drvs
->tx_priority_pauseframes
= port_stats
->tx_priority_pauseframes
;
424 drvs
->jabber_events
= port_stats
->jabber_events
;
425 drvs
->rx_drops_no_pbuf
= rxf_stats
->rx_drops_no_pbuf
;
426 drvs
->rx_drops_no_erx_descr
= rxf_stats
->rx_drops_no_erx_descr
;
427 drvs
->forwarded_packets
= rxf_stats
->forwarded_packets
;
428 drvs
->rx_drops_mtu
= rxf_stats
->rx_drops_mtu
;
429 drvs
->rx_drops_no_tpre_descr
= rxf_stats
->rx_drops_no_tpre_descr
;
430 drvs
->rx_drops_too_many_frags
= rxf_stats
->rx_drops_too_many_frags
;
431 adapter
->drv_stats
.eth_red_drops
= pmem_sts
->eth_red_drops
;
434 static void populate_be_v2_stats(struct be_adapter
*adapter
)
436 struct be_hw_stats_v2
*hw_stats
= hw_stats_from_cmd(adapter
);
437 struct be_pmem_stats
*pmem_sts
= &hw_stats
->pmem
;
438 struct be_rxf_stats_v2
*rxf_stats
= &hw_stats
->rxf
;
439 struct be_port_rxf_stats_v2
*port_stats
=
440 &rxf_stats
->port
[adapter
->port_num
];
441 struct be_drv_stats
*drvs
= &adapter
->drv_stats
;
443 be_dws_le_to_cpu(hw_stats
, sizeof(*hw_stats
));
444 drvs
->pmem_fifo_overflow_drop
= port_stats
->pmem_fifo_overflow_drop
;
445 drvs
->rx_priority_pause_frames
= port_stats
->rx_priority_pause_frames
;
446 drvs
->rx_pause_frames
= port_stats
->rx_pause_frames
;
447 drvs
->rx_crc_errors
= port_stats
->rx_crc_errors
;
448 drvs
->rx_control_frames
= port_stats
->rx_control_frames
;
449 drvs
->rx_in_range_errors
= port_stats
->rx_in_range_errors
;
450 drvs
->rx_frame_too_long
= port_stats
->rx_frame_too_long
;
451 drvs
->rx_dropped_runt
= port_stats
->rx_dropped_runt
;
452 drvs
->rx_ip_checksum_errs
= port_stats
->rx_ip_checksum_errs
;
453 drvs
->rx_tcp_checksum_errs
= port_stats
->rx_tcp_checksum_errs
;
454 drvs
->rx_udp_checksum_errs
= port_stats
->rx_udp_checksum_errs
;
455 drvs
->rx_dropped_tcp_length
= port_stats
->rx_dropped_tcp_length
;
456 drvs
->rx_dropped_too_small
= port_stats
->rx_dropped_too_small
;
457 drvs
->rx_dropped_too_short
= port_stats
->rx_dropped_too_short
;
458 drvs
->rx_out_range_errors
= port_stats
->rx_out_range_errors
;
459 drvs
->rx_dropped_header_too_small
=
460 port_stats
->rx_dropped_header_too_small
;
461 drvs
->rx_input_fifo_overflow_drop
=
462 port_stats
->rx_input_fifo_overflow_drop
;
463 drvs
->rx_address_filtered
= port_stats
->rx_address_filtered
;
464 drvs
->rx_alignment_symbol_errors
=
465 port_stats
->rx_alignment_symbol_errors
;
466 drvs
->rxpp_fifo_overflow_drop
= port_stats
->rxpp_fifo_overflow_drop
;
467 drvs
->tx_pauseframes
= port_stats
->tx_pauseframes
;
468 drvs
->tx_controlframes
= port_stats
->tx_controlframes
;
469 drvs
->tx_priority_pauseframes
= port_stats
->tx_priority_pauseframes
;
470 drvs
->jabber_events
= port_stats
->jabber_events
;
471 drvs
->rx_drops_no_pbuf
= rxf_stats
->rx_drops_no_pbuf
;
472 drvs
->rx_drops_no_erx_descr
= rxf_stats
->rx_drops_no_erx_descr
;
473 drvs
->forwarded_packets
= rxf_stats
->forwarded_packets
;
474 drvs
->rx_drops_mtu
= rxf_stats
->rx_drops_mtu
;
475 drvs
->rx_drops_no_tpre_descr
= rxf_stats
->rx_drops_no_tpre_descr
;
476 drvs
->rx_drops_too_many_frags
= rxf_stats
->rx_drops_too_many_frags
;
477 adapter
->drv_stats
.eth_red_drops
= pmem_sts
->eth_red_drops
;
478 if (be_roce_supported(adapter
)) {
479 drvs
->rx_roce_bytes_lsd
= port_stats
->roce_bytes_received_lsd
;
480 drvs
->rx_roce_bytes_msd
= port_stats
->roce_bytes_received_msd
;
481 drvs
->rx_roce_frames
= port_stats
->roce_frames_received
;
482 drvs
->roce_drops_crc
= port_stats
->roce_drops_crc
;
483 drvs
->roce_drops_payload_len
=
484 port_stats
->roce_drops_payload_len
;
488 static void populate_lancer_stats(struct be_adapter
*adapter
)
491 struct be_drv_stats
*drvs
= &adapter
->drv_stats
;
492 struct lancer_pport_stats
*pport_stats
=
493 pport_stats_from_cmd(adapter
);
495 be_dws_le_to_cpu(pport_stats
, sizeof(*pport_stats
));
496 drvs
->rx_pause_frames
= pport_stats
->rx_pause_frames_lo
;
497 drvs
->rx_crc_errors
= pport_stats
->rx_crc_errors_lo
;
498 drvs
->rx_control_frames
= pport_stats
->rx_control_frames_lo
;
499 drvs
->rx_in_range_errors
= pport_stats
->rx_in_range_errors
;
500 drvs
->rx_frame_too_long
= pport_stats
->rx_frames_too_long_lo
;
501 drvs
->rx_dropped_runt
= pport_stats
->rx_dropped_runt
;
502 drvs
->rx_ip_checksum_errs
= pport_stats
->rx_ip_checksum_errors
;
503 drvs
->rx_tcp_checksum_errs
= pport_stats
->rx_tcp_checksum_errors
;
504 drvs
->rx_udp_checksum_errs
= pport_stats
->rx_udp_checksum_errors
;
505 drvs
->rx_dropped_tcp_length
=
506 pport_stats
->rx_dropped_invalid_tcp_length
;
507 drvs
->rx_dropped_too_small
= pport_stats
->rx_dropped_too_small
;
508 drvs
->rx_dropped_too_short
= pport_stats
->rx_dropped_too_short
;
509 drvs
->rx_out_range_errors
= pport_stats
->rx_out_of_range_errors
;
510 drvs
->rx_dropped_header_too_small
=
511 pport_stats
->rx_dropped_header_too_small
;
512 drvs
->rx_input_fifo_overflow_drop
= pport_stats
->rx_fifo_overflow
;
513 drvs
->rx_address_filtered
=
514 pport_stats
->rx_address_filtered
+
515 pport_stats
->rx_vlan_filtered
;
516 drvs
->rx_alignment_symbol_errors
= pport_stats
->rx_symbol_errors_lo
;
517 drvs
->rxpp_fifo_overflow_drop
= pport_stats
->rx_fifo_overflow
;
518 drvs
->tx_pauseframes
= pport_stats
->tx_pause_frames_lo
;
519 drvs
->tx_controlframes
= pport_stats
->tx_control_frames_lo
;
520 drvs
->jabber_events
= pport_stats
->rx_jabbers
;
521 drvs
->forwarded_packets
= pport_stats
->num_forwards_lo
;
522 drvs
->rx_drops_mtu
= pport_stats
->rx_drops_mtu_lo
;
523 drvs
->rx_drops_too_many_frags
=
524 pport_stats
->rx_drops_too_many_frags_lo
;
527 static void accumulate_16bit_val(u32
*acc
, u16 val
)
529 #define lo(x) (x & 0xFFFF)
530 #define hi(x) (x & 0xFFFF0000)
531 bool wrapped
= val
< lo(*acc
);
532 u32 newacc
= hi(*acc
) + val
;
536 ACCESS_ONCE(*acc
) = newacc
;
539 static void populate_erx_stats(struct be_adapter
*adapter
,
540 struct be_rx_obj
*rxo
,
543 if (!BEx_chip(adapter
))
544 rx_stats(rxo
)->rx_drops_no_frags
= erx_stat
;
546 /* below erx HW counter can actually wrap around after
547 * 65535. Driver accumulates a 32-bit value
549 accumulate_16bit_val(&rx_stats(rxo
)->rx_drops_no_frags
,
553 void be_parse_stats(struct be_adapter
*adapter
)
555 struct be_erx_stats_v2
*erx
= be_erx_stats_from_cmd(adapter
);
556 struct be_rx_obj
*rxo
;
560 if (lancer_chip(adapter
)) {
561 populate_lancer_stats(adapter
);
563 if (BE2_chip(adapter
))
564 populate_be_v0_stats(adapter
);
565 else if (BE3_chip(adapter
))
567 populate_be_v1_stats(adapter
);
569 populate_be_v2_stats(adapter
);
571 /* erx_v2 is longer than v0, v1. use v2 for v0, v1 access */
572 for_all_rx_queues(adapter
, rxo
, i
) {
573 erx_stat
= erx
->rx_drops_no_fragments
[rxo
->q
.id
];
574 populate_erx_stats(adapter
, rxo
, erx_stat
);
579 static struct rtnl_link_stats64
*be_get_stats64(struct net_device
*netdev
,
580 struct rtnl_link_stats64
*stats
)
582 struct be_adapter
*adapter
= netdev_priv(netdev
);
583 struct be_drv_stats
*drvs
= &adapter
->drv_stats
;
584 struct be_rx_obj
*rxo
;
585 struct be_tx_obj
*txo
;
590 for_all_rx_queues(adapter
, rxo
, i
) {
591 const struct be_rx_stats
*rx_stats
= rx_stats(rxo
);
593 start
= u64_stats_fetch_begin_bh(&rx_stats
->sync
);
594 pkts
= rx_stats(rxo
)->rx_pkts
;
595 bytes
= rx_stats(rxo
)->rx_bytes
;
596 } while (u64_stats_fetch_retry_bh(&rx_stats
->sync
, start
));
597 stats
->rx_packets
+= pkts
;
598 stats
->rx_bytes
+= bytes
;
599 stats
->multicast
+= rx_stats(rxo
)->rx_mcast_pkts
;
600 stats
->rx_dropped
+= rx_stats(rxo
)->rx_drops_no_skbs
+
601 rx_stats(rxo
)->rx_drops_no_frags
;
604 for_all_tx_queues(adapter
, txo
, i
) {
605 const struct be_tx_stats
*tx_stats
= tx_stats(txo
);
607 start
= u64_stats_fetch_begin_bh(&tx_stats
->sync
);
608 pkts
= tx_stats(txo
)->tx_pkts
;
609 bytes
= tx_stats(txo
)->tx_bytes
;
610 } while (u64_stats_fetch_retry_bh(&tx_stats
->sync
, start
));
611 stats
->tx_packets
+= pkts
;
612 stats
->tx_bytes
+= bytes
;
615 /* bad pkts received */
616 stats
->rx_errors
= drvs
->rx_crc_errors
+
617 drvs
->rx_alignment_symbol_errors
+
618 drvs
->rx_in_range_errors
+
619 drvs
->rx_out_range_errors
+
620 drvs
->rx_frame_too_long
+
621 drvs
->rx_dropped_too_small
+
622 drvs
->rx_dropped_too_short
+
623 drvs
->rx_dropped_header_too_small
+
624 drvs
->rx_dropped_tcp_length
+
625 drvs
->rx_dropped_runt
;
627 /* detailed rx errors */
628 stats
->rx_length_errors
= drvs
->rx_in_range_errors
+
629 drvs
->rx_out_range_errors
+
630 drvs
->rx_frame_too_long
;
632 stats
->rx_crc_errors
= drvs
->rx_crc_errors
;
634 /* frame alignment errors */
635 stats
->rx_frame_errors
= drvs
->rx_alignment_symbol_errors
;
637 /* receiver fifo overrun */
638 /* drops_no_pbuf is no per i/f, it's per BE card */
639 stats
->rx_fifo_errors
= drvs
->rxpp_fifo_overflow_drop
+
640 drvs
->rx_input_fifo_overflow_drop
+
641 drvs
->rx_drops_no_pbuf
;
645 void be_link_status_update(struct be_adapter
*adapter
, u8 link_status
)
647 struct net_device
*netdev
= adapter
->netdev
;
649 if (!(adapter
->flags
& BE_FLAGS_LINK_STATUS_INIT
)) {
650 netif_carrier_off(netdev
);
651 adapter
->flags
|= BE_FLAGS_LINK_STATUS_INIT
;
654 if ((link_status
& LINK_STATUS_MASK
) == LINK_UP
)
655 netif_carrier_on(netdev
);
657 netif_carrier_off(netdev
);
660 static void be_tx_stats_update(struct be_tx_obj
*txo
,
661 u32 wrb_cnt
, u32 copied
, u32 gso_segs
, bool stopped
)
663 struct be_tx_stats
*stats
= tx_stats(txo
);
665 u64_stats_update_begin(&stats
->sync
);
667 stats
->tx_wrbs
+= wrb_cnt
;
668 stats
->tx_bytes
+= copied
;
669 stats
->tx_pkts
+= (gso_segs
? gso_segs
: 1);
672 u64_stats_update_end(&stats
->sync
);
675 /* Determine number of WRB entries needed to xmit data in an skb */
676 static u32
wrb_cnt_for_skb(struct be_adapter
*adapter
, struct sk_buff
*skb
,
679 int cnt
= (skb
->len
> skb
->data_len
);
681 cnt
+= skb_shinfo(skb
)->nr_frags
;
683 /* to account for hdr wrb */
685 if (lancer_chip(adapter
) || !(cnt
& 1)) {
688 /* add a dummy to make it an even num */
692 BUG_ON(cnt
> BE_MAX_TX_FRAG_COUNT
);
696 static inline void wrb_fill(struct be_eth_wrb
*wrb
, u64 addr
, int len
)
698 wrb
->frag_pa_hi
= upper_32_bits(addr
);
699 wrb
->frag_pa_lo
= addr
& 0xFFFFFFFF;
700 wrb
->frag_len
= len
& ETH_WRB_FRAG_LEN_MASK
;
704 static inline u16
be_get_tx_vlan_tag(struct be_adapter
*adapter
,
710 vlan_tag
= vlan_tx_tag_get(skb
);
711 vlan_prio
= (vlan_tag
& VLAN_PRIO_MASK
) >> VLAN_PRIO_SHIFT
;
712 /* If vlan priority provided by OS is NOT in available bmap */
713 if (!(adapter
->vlan_prio_bmap
& (1 << vlan_prio
)))
714 vlan_tag
= (vlan_tag
& ~VLAN_PRIO_MASK
) |
715 adapter
->recommended_prio
;
720 static void wrb_fill_hdr(struct be_adapter
*adapter
, struct be_eth_hdr_wrb
*hdr
,
721 struct sk_buff
*skb
, u32 wrb_cnt
, u32 len
, bool skip_hw_vlan
)
725 memset(hdr
, 0, sizeof(*hdr
));
727 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, crc
, hdr
, 1);
729 if (skb_is_gso(skb
)) {
730 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, lso
, hdr
, 1);
731 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, lso_mss
,
732 hdr
, skb_shinfo(skb
)->gso_size
);
733 if (skb_is_gso_v6(skb
) && !lancer_chip(adapter
))
734 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, lso6
, hdr
, 1);
735 } else if (skb
->ip_summed
== CHECKSUM_PARTIAL
) {
737 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, tcpcs
, hdr
, 1);
738 else if (is_udp_pkt(skb
))
739 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, udpcs
, hdr
, 1);
742 if (vlan_tx_tag_present(skb
)) {
743 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, vlan
, hdr
, 1);
744 vlan_tag
= be_get_tx_vlan_tag(adapter
, skb
);
745 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, vlan_tag
, hdr
, vlan_tag
);
748 /* To skip HW VLAN tagging: evt = 1, compl = 0 */
749 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, complete
, hdr
, !skip_hw_vlan
);
750 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, event
, hdr
, 1);
751 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, num_wrb
, hdr
, wrb_cnt
);
752 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, len
, hdr
, len
);
755 static void unmap_tx_frag(struct device
*dev
, struct be_eth_wrb
*wrb
,
760 be_dws_le_to_cpu(wrb
, sizeof(*wrb
));
762 dma
= (u64
)wrb
->frag_pa_hi
<< 32 | (u64
)wrb
->frag_pa_lo
;
765 dma_unmap_single(dev
, dma
, wrb
->frag_len
,
768 dma_unmap_page(dev
, dma
, wrb
->frag_len
, DMA_TO_DEVICE
);
772 static int make_tx_wrbs(struct be_adapter
*adapter
, struct be_queue_info
*txq
,
773 struct sk_buff
*skb
, u32 wrb_cnt
, bool dummy_wrb
,
778 struct device
*dev
= &adapter
->pdev
->dev
;
779 struct sk_buff
*first_skb
= skb
;
780 struct be_eth_wrb
*wrb
;
781 struct be_eth_hdr_wrb
*hdr
;
782 bool map_single
= false;
785 hdr
= queue_head_node(txq
);
787 map_head
= txq
->head
;
789 if (skb
->len
> skb
->data_len
) {
790 int len
= skb_headlen(skb
);
791 busaddr
= dma_map_single(dev
, skb
->data
, len
, DMA_TO_DEVICE
);
792 if (dma_mapping_error(dev
, busaddr
))
795 wrb
= queue_head_node(txq
);
796 wrb_fill(wrb
, busaddr
, len
);
797 be_dws_cpu_to_le(wrb
, sizeof(*wrb
));
802 for (i
= 0; i
< skb_shinfo(skb
)->nr_frags
; i
++) {
803 const struct skb_frag_struct
*frag
=
804 &skb_shinfo(skb
)->frags
[i
];
805 busaddr
= skb_frag_dma_map(dev
, frag
, 0,
806 skb_frag_size(frag
), DMA_TO_DEVICE
);
807 if (dma_mapping_error(dev
, busaddr
))
809 wrb
= queue_head_node(txq
);
810 wrb_fill(wrb
, busaddr
, skb_frag_size(frag
));
811 be_dws_cpu_to_le(wrb
, sizeof(*wrb
));
813 copied
+= skb_frag_size(frag
);
817 wrb
= queue_head_node(txq
);
819 be_dws_cpu_to_le(wrb
, sizeof(*wrb
));
823 wrb_fill_hdr(adapter
, hdr
, first_skb
, wrb_cnt
, copied
, skip_hw_vlan
);
824 be_dws_cpu_to_le(hdr
, sizeof(*hdr
));
828 txq
->head
= map_head
;
830 wrb
= queue_head_node(txq
);
831 unmap_tx_frag(dev
, wrb
, map_single
);
833 copied
-= wrb
->frag_len
;
839 static struct sk_buff
*be_insert_vlan_in_pkt(struct be_adapter
*adapter
,
845 skb
= skb_share_check(skb
, GFP_ATOMIC
);
849 if (vlan_tx_tag_present(skb
))
850 vlan_tag
= be_get_tx_vlan_tag(adapter
, skb
);
852 if (qnq_async_evt_rcvd(adapter
) && adapter
->pvid
) {
854 vlan_tag
= adapter
->pvid
;
855 /* f/w workaround to set skip_hw_vlan = 1, informs the F/W to
856 * skip VLAN insertion
859 *skip_hw_vlan
= true;
863 skb
= __vlan_put_tag(skb
, htons(ETH_P_8021Q
), vlan_tag
);
869 /* Insert the outer VLAN, if any */
870 if (adapter
->qnq_vid
) {
871 vlan_tag
= adapter
->qnq_vid
;
872 skb
= __vlan_put_tag(skb
, htons(ETH_P_8021Q
), vlan_tag
);
876 *skip_hw_vlan
= true;
882 static bool be_ipv6_exthdr_check(struct sk_buff
*skb
)
884 struct ethhdr
*eh
= (struct ethhdr
*)skb
->data
;
885 u16 offset
= ETH_HLEN
;
887 if (eh
->h_proto
== htons(ETH_P_IPV6
)) {
888 struct ipv6hdr
*ip6h
= (struct ipv6hdr
*)(skb
->data
+ offset
);
890 offset
+= sizeof(struct ipv6hdr
);
891 if (ip6h
->nexthdr
!= NEXTHDR_TCP
&&
892 ip6h
->nexthdr
!= NEXTHDR_UDP
) {
893 struct ipv6_opt_hdr
*ehdr
=
894 (struct ipv6_opt_hdr
*) (skb
->data
+ offset
);
896 /* offending pkt: 2nd byte following IPv6 hdr is 0xff */
897 if (ehdr
->hdrlen
== 0xff)
904 static int be_vlan_tag_tx_chk(struct be_adapter
*adapter
, struct sk_buff
*skb
)
906 return vlan_tx_tag_present(skb
) || adapter
->pvid
|| adapter
->qnq_vid
;
909 static int be_ipv6_tx_stall_chk(struct be_adapter
*adapter
,
912 return BE3_chip(adapter
) && be_ipv6_exthdr_check(skb
);
915 static struct sk_buff
*be_xmit_workarounds(struct be_adapter
*adapter
,
919 struct vlan_ethhdr
*veh
= (struct vlan_ethhdr
*)skb
->data
;
920 unsigned int eth_hdr_len
;
923 /* Lancer, SH-R ASICs have a bug wherein Packets that are 32 bytes or less
924 * may cause a transmit stall on that port. So the work-around is to
925 * pad short packets (<= 32 bytes) to a 36-byte length.
927 if (unlikely(!BEx_chip(adapter
) && skb
->len
<= 32)) {
928 if (skb_padto(skb
, 36))
933 /* For padded packets, BE HW modifies tot_len field in IP header
934 * incorrecly when VLAN tag is inserted by HW.
935 * For padded packets, Lancer computes incorrect checksum.
937 eth_hdr_len
= ntohs(skb
->protocol
) == ETH_P_8021Q
?
938 VLAN_ETH_HLEN
: ETH_HLEN
;
939 if (skb
->len
<= 60 &&
940 (lancer_chip(adapter
) || vlan_tx_tag_present(skb
)) &&
942 ip
= (struct iphdr
*)ip_hdr(skb
);
943 pskb_trim(skb
, eth_hdr_len
+ ntohs(ip
->tot_len
));
946 /* If vlan tag is already inlined in the packet, skip HW VLAN
947 * tagging in UMC mode
949 if ((adapter
->function_mode
& UMC_ENABLED
) &&
950 veh
->h_vlan_proto
== htons(ETH_P_8021Q
))
951 *skip_hw_vlan
= true;
953 /* HW has a bug wherein it will calculate CSUM for VLAN
954 * pkts even though it is disabled.
955 * Manually insert VLAN in pkt.
957 if (skb
->ip_summed
!= CHECKSUM_PARTIAL
&&
958 vlan_tx_tag_present(skb
)) {
959 skb
= be_insert_vlan_in_pkt(adapter
, skb
, skip_hw_vlan
);
964 /* HW may lockup when VLAN HW tagging is requested on
965 * certain ipv6 packets. Drop such pkts if the HW workaround to
966 * skip HW tagging is not enabled by FW.
968 if (unlikely(be_ipv6_tx_stall_chk(adapter
, skb
) &&
969 (adapter
->pvid
|| adapter
->qnq_vid
) &&
970 !qnq_async_evt_rcvd(adapter
)))
973 /* Manual VLAN tag insertion to prevent:
974 * ASIC lockup when the ASIC inserts VLAN tag into
975 * certain ipv6 packets. Insert VLAN tags in driver,
976 * and set event, completion, vlan bits accordingly
979 if (be_ipv6_tx_stall_chk(adapter
, skb
) &&
980 be_vlan_tag_tx_chk(adapter
, skb
)) {
981 skb
= be_insert_vlan_in_pkt(adapter
, skb
, skip_hw_vlan
);
988 dev_kfree_skb_any(skb
);
992 static netdev_tx_t
be_xmit(struct sk_buff
*skb
, struct net_device
*netdev
)
994 struct be_adapter
*adapter
= netdev_priv(netdev
);
995 struct be_tx_obj
*txo
= &adapter
->tx_obj
[skb_get_queue_mapping(skb
)];
996 struct be_queue_info
*txq
= &txo
->q
;
997 bool dummy_wrb
, stopped
= false;
998 u32 wrb_cnt
= 0, copied
= 0;
999 bool skip_hw_vlan
= false;
1000 u32 start
= txq
->head
;
1002 skb
= be_xmit_workarounds(adapter
, skb
, &skip_hw_vlan
);
1004 tx_stats(txo
)->tx_drv_drops
++;
1005 return NETDEV_TX_OK
;
1008 wrb_cnt
= wrb_cnt_for_skb(adapter
, skb
, &dummy_wrb
);
1010 copied
= make_tx_wrbs(adapter
, txq
, skb
, wrb_cnt
, dummy_wrb
,
1013 int gso_segs
= skb_shinfo(skb
)->gso_segs
;
1015 /* record the sent skb in the sent_skb table */
1016 BUG_ON(txo
->sent_skb_list
[start
]);
1017 txo
->sent_skb_list
[start
] = skb
;
1019 /* Ensure txq has space for the next skb; Else stop the queue
1020 * *BEFORE* ringing the tx doorbell, so that we serialze the
1021 * tx compls of the current transmit which'll wake up the queue
1023 atomic_add(wrb_cnt
, &txq
->used
);
1024 if ((BE_MAX_TX_FRAG_COUNT
+ atomic_read(&txq
->used
)) >=
1026 netif_stop_subqueue(netdev
, skb_get_queue_mapping(skb
));
1030 be_txq_notify(adapter
, txo
, wrb_cnt
);
1032 be_tx_stats_update(txo
, wrb_cnt
, copied
, gso_segs
, stopped
);
1035 tx_stats(txo
)->tx_drv_drops
++;
1036 dev_kfree_skb_any(skb
);
1038 return NETDEV_TX_OK
;
1041 static int be_change_mtu(struct net_device
*netdev
, int new_mtu
)
1043 struct be_adapter
*adapter
= netdev_priv(netdev
);
1044 if (new_mtu
< BE_MIN_MTU
||
1045 new_mtu
> (BE_MAX_JUMBO_FRAME_SIZE
-
1046 (ETH_HLEN
+ ETH_FCS_LEN
))) {
1047 dev_info(&adapter
->pdev
->dev
,
1048 "MTU must be between %d and %d bytes\n",
1050 (BE_MAX_JUMBO_FRAME_SIZE
- (ETH_HLEN
+ ETH_FCS_LEN
)));
1053 dev_info(&adapter
->pdev
->dev
, "MTU changed from %d to %d bytes\n",
1054 netdev
->mtu
, new_mtu
);
1055 netdev
->mtu
= new_mtu
;
1060 * A max of 64 (BE_NUM_VLANS_SUPPORTED) vlans can be configured in BE.
1061 * If the user configures more, place BE in vlan promiscuous mode.
1063 static int be_vid_config(struct be_adapter
*adapter
)
1065 u16 vids
[BE_NUM_VLANS_SUPPORTED
];
1069 /* No need to further configure vids if in promiscuous mode */
1070 if (adapter
->promiscuous
)
1073 if (adapter
->vlans_added
> be_max_vlans(adapter
))
1074 goto set_vlan_promisc
;
1076 /* Construct VLAN Table to give to HW */
1077 for (i
= 0; i
< VLAN_N_VID
; i
++)
1078 if (adapter
->vlan_tag
[i
])
1079 vids
[num
++] = cpu_to_le16(i
);
1081 status
= be_cmd_vlan_config(adapter
, adapter
->if_handle
,
1085 /* Set to VLAN promisc mode as setting VLAN filter failed */
1086 if (status
== MCC_ADDL_STS_INSUFFICIENT_RESOURCES
)
1087 goto set_vlan_promisc
;
1088 dev_err(&adapter
->pdev
->dev
,
1089 "Setting HW VLAN filtering failed.\n");
1091 if (adapter
->flags
& BE_FLAGS_VLAN_PROMISC
) {
1092 /* hw VLAN filtering re-enabled. */
1093 status
= be_cmd_rx_filter(adapter
,
1094 BE_FLAGS_VLAN_PROMISC
, OFF
);
1096 dev_info(&adapter
->pdev
->dev
,
1097 "Disabling VLAN Promiscuous mode.\n");
1098 adapter
->flags
&= ~BE_FLAGS_VLAN_PROMISC
;
1099 dev_info(&adapter
->pdev
->dev
,
1100 "Re-Enabling HW VLAN filtering\n");
1108 dev_warn(&adapter
->pdev
->dev
, "Exhausted VLAN HW filters.\n");
1110 status
= be_cmd_rx_filter(adapter
, BE_FLAGS_VLAN_PROMISC
, ON
);
1112 dev_info(&adapter
->pdev
->dev
, "Enable VLAN Promiscuous mode\n");
1113 dev_info(&adapter
->pdev
->dev
, "Disabling HW VLAN filtering\n");
1114 adapter
->flags
|= BE_FLAGS_VLAN_PROMISC
;
1116 dev_err(&adapter
->pdev
->dev
,
1117 "Failed to enable VLAN Promiscuous mode.\n");
1121 static int be_vlan_add_vid(struct net_device
*netdev
, __be16 proto
, u16 vid
)
1123 struct be_adapter
*adapter
= netdev_priv(netdev
);
1127 /* Packets with VID 0 are always received by Lancer by default */
1128 if (lancer_chip(adapter
) && vid
== 0)
1131 adapter
->vlan_tag
[vid
] = 1;
1132 if (adapter
->vlans_added
<= (be_max_vlans(adapter
) + 1))
1133 status
= be_vid_config(adapter
);
1136 adapter
->vlans_added
++;
1138 adapter
->vlan_tag
[vid
] = 0;
1143 static int be_vlan_rem_vid(struct net_device
*netdev
, __be16 proto
, u16 vid
)
1145 struct be_adapter
*adapter
= netdev_priv(netdev
);
1148 /* Packets with VID 0 are always received by Lancer by default */
1149 if (lancer_chip(adapter
) && vid
== 0)
1152 adapter
->vlan_tag
[vid
] = 0;
1153 if (adapter
->vlans_added
<= be_max_vlans(adapter
))
1154 status
= be_vid_config(adapter
);
1157 adapter
->vlans_added
--;
1159 adapter
->vlan_tag
[vid
] = 1;
1164 static void be_set_rx_mode(struct net_device
*netdev
)
1166 struct be_adapter
*adapter
= netdev_priv(netdev
);
1169 if (netdev
->flags
& IFF_PROMISC
) {
1170 be_cmd_rx_filter(adapter
, IFF_PROMISC
, ON
);
1171 adapter
->promiscuous
= true;
1175 /* BE was previously in promiscuous mode; disable it */
1176 if (adapter
->promiscuous
) {
1177 adapter
->promiscuous
= false;
1178 be_cmd_rx_filter(adapter
, IFF_PROMISC
, OFF
);
1180 if (adapter
->vlans_added
)
1181 be_vid_config(adapter
);
1184 /* Enable multicast promisc if num configured exceeds what we support */
1185 if (netdev
->flags
& IFF_ALLMULTI
||
1186 netdev_mc_count(netdev
) > be_max_mc(adapter
)) {
1187 be_cmd_rx_filter(adapter
, IFF_ALLMULTI
, ON
);
1191 if (netdev_uc_count(netdev
) != adapter
->uc_macs
) {
1192 struct netdev_hw_addr
*ha
;
1193 int i
= 1; /* First slot is claimed by the Primary MAC */
1195 for (; adapter
->uc_macs
> 0; adapter
->uc_macs
--, i
++) {
1196 be_cmd_pmac_del(adapter
, adapter
->if_handle
,
1197 adapter
->pmac_id
[i
], 0);
1200 if (netdev_uc_count(netdev
) > be_max_uc(adapter
)) {
1201 be_cmd_rx_filter(adapter
, IFF_PROMISC
, ON
);
1202 adapter
->promiscuous
= true;
1206 netdev_for_each_uc_addr(ha
, adapter
->netdev
) {
1207 adapter
->uc_macs
++; /* First slot is for Primary MAC */
1208 be_cmd_pmac_add(adapter
, (u8
*)ha
->addr
,
1210 &adapter
->pmac_id
[adapter
->uc_macs
], 0);
1214 status
= be_cmd_rx_filter(adapter
, IFF_MULTICAST
, ON
);
1216 /* Set to MCAST promisc mode if setting MULTICAST address fails */
1218 dev_info(&adapter
->pdev
->dev
, "Exhausted multicast HW filters.\n");
1219 dev_info(&adapter
->pdev
->dev
, "Disabling HW multicast filtering.\n");
1220 be_cmd_rx_filter(adapter
, IFF_ALLMULTI
, ON
);
1226 static int be_set_vf_mac(struct net_device
*netdev
, int vf
, u8
*mac
)
1228 struct be_adapter
*adapter
= netdev_priv(netdev
);
1229 struct be_vf_cfg
*vf_cfg
= &adapter
->vf_cfg
[vf
];
1232 if (!sriov_enabled(adapter
))
1235 if (!is_valid_ether_addr(mac
) || vf
>= adapter
->num_vfs
)
1238 if (BEx_chip(adapter
)) {
1239 be_cmd_pmac_del(adapter
, vf_cfg
->if_handle
, vf_cfg
->pmac_id
,
1242 status
= be_cmd_pmac_add(adapter
, mac
, vf_cfg
->if_handle
,
1243 &vf_cfg
->pmac_id
, vf
+ 1);
1245 status
= be_cmd_set_mac(adapter
, mac
, vf_cfg
->if_handle
,
1250 dev_err(&adapter
->pdev
->dev
, "MAC %pM set on VF %d Failed\n",
1253 memcpy(vf_cfg
->mac_addr
, mac
, ETH_ALEN
);
1258 static int be_get_vf_config(struct net_device
*netdev
, int vf
,
1259 struct ifla_vf_info
*vi
)
1261 struct be_adapter
*adapter
= netdev_priv(netdev
);
1262 struct be_vf_cfg
*vf_cfg
= &adapter
->vf_cfg
[vf
];
1264 if (!sriov_enabled(adapter
))
1267 if (vf
>= adapter
->num_vfs
)
1271 vi
->tx_rate
= vf_cfg
->tx_rate
;
1272 vi
->vlan
= vf_cfg
->vlan_tag
& VLAN_VID_MASK
;
1273 vi
->qos
= vf_cfg
->vlan_tag
>> VLAN_PRIO_SHIFT
;
1274 memcpy(&vi
->mac
, vf_cfg
->mac_addr
, ETH_ALEN
);
1279 static int be_set_vf_vlan(struct net_device
*netdev
,
1280 int vf
, u16 vlan
, u8 qos
)
1282 struct be_adapter
*adapter
= netdev_priv(netdev
);
1283 struct be_vf_cfg
*vf_cfg
= &adapter
->vf_cfg
[vf
];
1286 if (!sriov_enabled(adapter
))
1289 if (vf
>= adapter
->num_vfs
|| vlan
> 4095 || qos
> 7)
1293 vlan
|= qos
<< VLAN_PRIO_SHIFT
;
1294 if (vf_cfg
->vlan_tag
!= vlan
) {
1295 /* If this is new value, program it. Else skip. */
1296 vf_cfg
->vlan_tag
= vlan
;
1297 status
= be_cmd_set_hsw_config(adapter
, vlan
, vf
+ 1,
1298 vf_cfg
->if_handle
, 0);
1301 /* Reset Transparent Vlan Tagging. */
1302 vf_cfg
->vlan_tag
= 0;
1303 vlan
= vf_cfg
->def_vid
;
1304 status
= be_cmd_set_hsw_config(adapter
, vlan
, vf
+ 1,
1305 vf_cfg
->if_handle
, 0);
1310 dev_info(&adapter
->pdev
->dev
,
1311 "VLAN %d config on VF %d failed\n", vlan
, vf
);
1315 static int be_set_vf_tx_rate(struct net_device
*netdev
,
1318 struct be_adapter
*adapter
= netdev_priv(netdev
);
1321 if (!sriov_enabled(adapter
))
1324 if (vf
>= adapter
->num_vfs
)
1327 if (rate
< 100 || rate
> 10000) {
1328 dev_err(&adapter
->pdev
->dev
,
1329 "tx rate must be between 100 and 10000 Mbps\n");
1333 if (lancer_chip(adapter
))
1334 status
= be_cmd_set_profile_config(adapter
, rate
/ 10, vf
+ 1);
1336 status
= be_cmd_set_qos(adapter
, rate
/ 10, vf
+ 1);
1339 dev_err(&adapter
->pdev
->dev
,
1340 "tx rate %d on VF %d failed\n", rate
, vf
);
1342 adapter
->vf_cfg
[vf
].tx_rate
= rate
;
1346 static void be_aic_update(struct be_aic_obj
*aic
, u64 rx_pkts
, u64 tx_pkts
,
1349 aic
->rx_pkts_prev
= rx_pkts
;
1350 aic
->tx_reqs_prev
= tx_pkts
;
1354 static void be_eqd_update(struct be_adapter
*adapter
)
1356 struct be_set_eqd set_eqd
[MAX_EVT_QS
];
1357 int eqd
, i
, num
= 0, start
;
1358 struct be_aic_obj
*aic
;
1359 struct be_eq_obj
*eqo
;
1360 struct be_rx_obj
*rxo
;
1361 struct be_tx_obj
*txo
;
1362 u64 rx_pkts
, tx_pkts
;
1366 for_all_evt_queues(adapter
, eqo
, i
) {
1367 aic
= &adapter
->aic_obj
[eqo
->idx
];
1375 rxo
= &adapter
->rx_obj
[eqo
->idx
];
1377 start
= u64_stats_fetch_begin_bh(&rxo
->stats
.sync
);
1378 rx_pkts
= rxo
->stats
.rx_pkts
;
1379 } while (u64_stats_fetch_retry_bh(&rxo
->stats
.sync
, start
));
1381 txo
= &adapter
->tx_obj
[eqo
->idx
];
1383 start
= u64_stats_fetch_begin_bh(&txo
->stats
.sync
);
1384 tx_pkts
= txo
->stats
.tx_reqs
;
1385 } while (u64_stats_fetch_retry_bh(&txo
->stats
.sync
, start
));
1388 /* Skip, if wrapped around or first calculation */
1390 if (!aic
->jiffies
|| time_before(now
, aic
->jiffies
) ||
1391 rx_pkts
< aic
->rx_pkts_prev
||
1392 tx_pkts
< aic
->tx_reqs_prev
) {
1393 be_aic_update(aic
, rx_pkts
, tx_pkts
, now
);
1397 delta
= jiffies_to_msecs(now
- aic
->jiffies
);
1398 pps
= (((u32
)(rx_pkts
- aic
->rx_pkts_prev
) * 1000) / delta
) +
1399 (((u32
)(tx_pkts
- aic
->tx_reqs_prev
) * 1000) / delta
);
1400 eqd
= (pps
/ 15000) << 2;
1404 eqd
= min_t(u32
, eqd
, aic
->max_eqd
);
1405 eqd
= max_t(u32
, eqd
, aic
->min_eqd
);
1407 be_aic_update(aic
, rx_pkts
, tx_pkts
, now
);
1409 if (eqd
!= aic
->prev_eqd
) {
1410 set_eqd
[num
].delay_multiplier
= (eqd
* 65)/100;
1411 set_eqd
[num
].eq_id
= eqo
->q
.id
;
1412 aic
->prev_eqd
= eqd
;
1418 be_cmd_modify_eqd(adapter
, set_eqd
, num
);
1421 static void be_rx_stats_update(struct be_rx_obj
*rxo
,
1422 struct be_rx_compl_info
*rxcp
)
1424 struct be_rx_stats
*stats
= rx_stats(rxo
);
1426 u64_stats_update_begin(&stats
->sync
);
1428 stats
->rx_bytes
+= rxcp
->pkt_size
;
1430 if (rxcp
->pkt_type
== BE_MULTICAST_PACKET
)
1431 stats
->rx_mcast_pkts
++;
1433 stats
->rx_compl_err
++;
1434 u64_stats_update_end(&stats
->sync
);
1437 static inline bool csum_passed(struct be_rx_compl_info
*rxcp
)
1439 /* L4 checksum is not reliable for non TCP/UDP packets.
1440 * Also ignore ipcksm for ipv6 pkts */
1441 return (rxcp
->tcpf
|| rxcp
->udpf
) && rxcp
->l4_csum
&&
1442 (rxcp
->ip_csum
|| rxcp
->ipv6
);
1445 static struct be_rx_page_info
*get_rx_page_info(struct be_rx_obj
*rxo
,
1448 struct be_adapter
*adapter
= rxo
->adapter
;
1449 struct be_rx_page_info
*rx_page_info
;
1450 struct be_queue_info
*rxq
= &rxo
->q
;
1452 rx_page_info
= &rxo
->page_info_tbl
[frag_idx
];
1453 BUG_ON(!rx_page_info
->page
);
1455 if (rx_page_info
->last_page_user
) {
1456 dma_unmap_page(&adapter
->pdev
->dev
,
1457 dma_unmap_addr(rx_page_info
, bus
),
1458 adapter
->big_page_size
, DMA_FROM_DEVICE
);
1459 rx_page_info
->last_page_user
= false;
1462 atomic_dec(&rxq
->used
);
1463 return rx_page_info
;
1466 /* Throwaway the data in the Rx completion */
1467 static void be_rx_compl_discard(struct be_rx_obj
*rxo
,
1468 struct be_rx_compl_info
*rxcp
)
1470 struct be_queue_info
*rxq
= &rxo
->q
;
1471 struct be_rx_page_info
*page_info
;
1472 u16 i
, num_rcvd
= rxcp
->num_rcvd
;
1474 for (i
= 0; i
< num_rcvd
; i
++) {
1475 page_info
= get_rx_page_info(rxo
, rxcp
->rxq_idx
);
1476 put_page(page_info
->page
);
1477 memset(page_info
, 0, sizeof(*page_info
));
1478 index_inc(&rxcp
->rxq_idx
, rxq
->len
);
1483 * skb_fill_rx_data forms a complete skb for an ether frame
1484 * indicated by rxcp.
1486 static void skb_fill_rx_data(struct be_rx_obj
*rxo
, struct sk_buff
*skb
,
1487 struct be_rx_compl_info
*rxcp
)
1489 struct be_queue_info
*rxq
= &rxo
->q
;
1490 struct be_rx_page_info
*page_info
;
1492 u16 hdr_len
, curr_frag_len
, remaining
;
1495 page_info
= get_rx_page_info(rxo
, rxcp
->rxq_idx
);
1496 start
= page_address(page_info
->page
) + page_info
->page_offset
;
1499 /* Copy data in the first descriptor of this completion */
1500 curr_frag_len
= min(rxcp
->pkt_size
, rx_frag_size
);
1502 skb
->len
= curr_frag_len
;
1503 if (curr_frag_len
<= BE_HDR_LEN
) { /* tiny packet */
1504 memcpy(skb
->data
, start
, curr_frag_len
);
1505 /* Complete packet has now been moved to data */
1506 put_page(page_info
->page
);
1508 skb
->tail
+= curr_frag_len
;
1511 memcpy(skb
->data
, start
, hdr_len
);
1512 skb_shinfo(skb
)->nr_frags
= 1;
1513 skb_frag_set_page(skb
, 0, page_info
->page
);
1514 skb_shinfo(skb
)->frags
[0].page_offset
=
1515 page_info
->page_offset
+ hdr_len
;
1516 skb_frag_size_set(&skb_shinfo(skb
)->frags
[0], curr_frag_len
- hdr_len
);
1517 skb
->data_len
= curr_frag_len
- hdr_len
;
1518 skb
->truesize
+= rx_frag_size
;
1519 skb
->tail
+= hdr_len
;
1521 page_info
->page
= NULL
;
1523 if (rxcp
->pkt_size
<= rx_frag_size
) {
1524 BUG_ON(rxcp
->num_rcvd
!= 1);
1528 /* More frags present for this completion */
1529 index_inc(&rxcp
->rxq_idx
, rxq
->len
);
1530 remaining
= rxcp
->pkt_size
- curr_frag_len
;
1531 for (i
= 1, j
= 0; i
< rxcp
->num_rcvd
; i
++) {
1532 page_info
= get_rx_page_info(rxo
, rxcp
->rxq_idx
);
1533 curr_frag_len
= min(remaining
, rx_frag_size
);
1535 /* Coalesce all frags from the same physical page in one slot */
1536 if (page_info
->page_offset
== 0) {
1539 skb_frag_set_page(skb
, j
, page_info
->page
);
1540 skb_shinfo(skb
)->frags
[j
].page_offset
=
1541 page_info
->page_offset
;
1542 skb_frag_size_set(&skb_shinfo(skb
)->frags
[j
], 0);
1543 skb_shinfo(skb
)->nr_frags
++;
1545 put_page(page_info
->page
);
1548 skb_frag_size_add(&skb_shinfo(skb
)->frags
[j
], curr_frag_len
);
1549 skb
->len
+= curr_frag_len
;
1550 skb
->data_len
+= curr_frag_len
;
1551 skb
->truesize
+= rx_frag_size
;
1552 remaining
-= curr_frag_len
;
1553 index_inc(&rxcp
->rxq_idx
, rxq
->len
);
1554 page_info
->page
= NULL
;
1556 BUG_ON(j
> MAX_SKB_FRAGS
);
1559 /* Process the RX completion indicated by rxcp when GRO is disabled */
1560 static void be_rx_compl_process(struct be_rx_obj
*rxo
, struct napi_struct
*napi
,
1561 struct be_rx_compl_info
*rxcp
)
1563 struct be_adapter
*adapter
= rxo
->adapter
;
1564 struct net_device
*netdev
= adapter
->netdev
;
1565 struct sk_buff
*skb
;
1567 skb
= netdev_alloc_skb_ip_align(netdev
, BE_RX_SKB_ALLOC_SIZE
);
1568 if (unlikely(!skb
)) {
1569 rx_stats(rxo
)->rx_drops_no_skbs
++;
1570 be_rx_compl_discard(rxo
, rxcp
);
1574 skb_fill_rx_data(rxo
, skb
, rxcp
);
1576 if (likely((netdev
->features
& NETIF_F_RXCSUM
) && csum_passed(rxcp
)))
1577 skb
->ip_summed
= CHECKSUM_UNNECESSARY
;
1579 skb_checksum_none_assert(skb
);
1581 skb
->protocol
= eth_type_trans(skb
, netdev
);
1582 skb_record_rx_queue(skb
, rxo
- &adapter
->rx_obj
[0]);
1583 if (netdev
->features
& NETIF_F_RXHASH
)
1584 skb
->rxhash
= rxcp
->rss_hash
;
1585 skb_mark_napi_id(skb
, napi
);
1588 __vlan_hwaccel_put_tag(skb
, htons(ETH_P_8021Q
), rxcp
->vlan_tag
);
1590 netif_receive_skb(skb
);
1593 /* Process the RX completion indicated by rxcp when GRO is enabled */
1594 static void be_rx_compl_process_gro(struct be_rx_obj
*rxo
,
1595 struct napi_struct
*napi
,
1596 struct be_rx_compl_info
*rxcp
)
1598 struct be_adapter
*adapter
= rxo
->adapter
;
1599 struct be_rx_page_info
*page_info
;
1600 struct sk_buff
*skb
= NULL
;
1601 struct be_queue_info
*rxq
= &rxo
->q
;
1602 u16 remaining
, curr_frag_len
;
1605 skb
= napi_get_frags(napi
);
1607 be_rx_compl_discard(rxo
, rxcp
);
1611 remaining
= rxcp
->pkt_size
;
1612 for (i
= 0, j
= -1; i
< rxcp
->num_rcvd
; i
++) {
1613 page_info
= get_rx_page_info(rxo
, rxcp
->rxq_idx
);
1615 curr_frag_len
= min(remaining
, rx_frag_size
);
1617 /* Coalesce all frags from the same physical page in one slot */
1618 if (i
== 0 || page_info
->page_offset
== 0) {
1619 /* First frag or Fresh page */
1621 skb_frag_set_page(skb
, j
, page_info
->page
);
1622 skb_shinfo(skb
)->frags
[j
].page_offset
=
1623 page_info
->page_offset
;
1624 skb_frag_size_set(&skb_shinfo(skb
)->frags
[j
], 0);
1626 put_page(page_info
->page
);
1628 skb_frag_size_add(&skb_shinfo(skb
)->frags
[j
], curr_frag_len
);
1629 skb
->truesize
+= rx_frag_size
;
1630 remaining
-= curr_frag_len
;
1631 index_inc(&rxcp
->rxq_idx
, rxq
->len
);
1632 memset(page_info
, 0, sizeof(*page_info
));
1634 BUG_ON(j
> MAX_SKB_FRAGS
);
1636 skb_shinfo(skb
)->nr_frags
= j
+ 1;
1637 skb
->len
= rxcp
->pkt_size
;
1638 skb
->data_len
= rxcp
->pkt_size
;
1639 skb
->ip_summed
= CHECKSUM_UNNECESSARY
;
1640 skb_record_rx_queue(skb
, rxo
- &adapter
->rx_obj
[0]);
1641 if (adapter
->netdev
->features
& NETIF_F_RXHASH
)
1642 skb
->rxhash
= rxcp
->rss_hash
;
1643 skb_mark_napi_id(skb
, napi
);
1646 __vlan_hwaccel_put_tag(skb
, htons(ETH_P_8021Q
), rxcp
->vlan_tag
);
1648 napi_gro_frags(napi
);
1651 static void be_parse_rx_compl_v1(struct be_eth_rx_compl
*compl,
1652 struct be_rx_compl_info
*rxcp
)
1655 AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, pktsize
, compl);
1656 rxcp
->vlanf
= AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, vtp
, compl);
1657 rxcp
->err
= AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, err
, compl);
1658 rxcp
->tcpf
= AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, tcpf
, compl);
1659 rxcp
->udpf
= AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, udpf
, compl);
1661 AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, ipcksm
, compl);
1663 AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, l4_cksm
, compl);
1665 AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, ip_version
, compl);
1667 AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, fragndx
, compl);
1669 AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, numfrags
, compl);
1671 AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, cast_enc
, compl);
1673 AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, rsshash
, compl);
1675 rxcp
->vtm
= AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, vtm
,
1677 rxcp
->vlan_tag
= AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, vlan_tag
,
1680 rxcp
->port
= AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, port
, compl);
1683 static void be_parse_rx_compl_v0(struct be_eth_rx_compl
*compl,
1684 struct be_rx_compl_info
*rxcp
)
1687 AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, pktsize
, compl);
1688 rxcp
->vlanf
= AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, vtp
, compl);
1689 rxcp
->err
= AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, err
, compl);
1690 rxcp
->tcpf
= AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, tcpf
, compl);
1691 rxcp
->udpf
= AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, udpf
, compl);
1693 AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, ipcksm
, compl);
1695 AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, l4_cksm
, compl);
1697 AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, ip_version
, compl);
1699 AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, fragndx
, compl);
1701 AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, numfrags
, compl);
1703 AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, cast_enc
, compl);
1705 AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, rsshash
, compl);
1707 rxcp
->vtm
= AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, vtm
,
1709 rxcp
->vlan_tag
= AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, vlan_tag
,
1712 rxcp
->port
= AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, port
, compl);
1713 rxcp
->ip_frag
= AMAP_GET_BITS(struct amap_eth_rx_compl_v0
,
1717 static struct be_rx_compl_info
*be_rx_compl_get(struct be_rx_obj
*rxo
)
1719 struct be_eth_rx_compl
*compl = queue_tail_node(&rxo
->cq
);
1720 struct be_rx_compl_info
*rxcp
= &rxo
->rxcp
;
1721 struct be_adapter
*adapter
= rxo
->adapter
;
1723 /* For checking the valid bit it is Ok to use either definition as the
1724 * valid bit is at the same position in both v0 and v1 Rx compl */
1725 if (compl->dw
[offsetof(struct amap_eth_rx_compl_v1
, valid
) / 32] == 0)
1729 be_dws_le_to_cpu(compl, sizeof(*compl));
1731 if (adapter
->be3_native
)
1732 be_parse_rx_compl_v1(compl, rxcp
);
1734 be_parse_rx_compl_v0(compl, rxcp
);
1740 /* vlanf could be wrongly set in some cards.
1741 * ignore if vtm is not set */
1742 if ((adapter
->function_mode
& FLEX10_MODE
) && !rxcp
->vtm
)
1745 if (!lancer_chip(adapter
))
1746 rxcp
->vlan_tag
= swab16(rxcp
->vlan_tag
);
1748 if (adapter
->pvid
== (rxcp
->vlan_tag
& VLAN_VID_MASK
) &&
1749 !adapter
->vlan_tag
[rxcp
->vlan_tag
])
1753 /* As the compl has been parsed, reset it; we wont touch it again */
1754 compl->dw
[offsetof(struct amap_eth_rx_compl_v1
, valid
) / 32] = 0;
1756 queue_tail_inc(&rxo
->cq
);
1760 static inline struct page
*be_alloc_pages(u32 size
, gfp_t gfp
)
1762 u32 order
= get_order(size
);
1766 return alloc_pages(gfp
, order
);
1770 * Allocate a page, split it to fragments of size rx_frag_size and post as
1771 * receive buffers to BE
1773 static void be_post_rx_frags(struct be_rx_obj
*rxo
, gfp_t gfp
)
1775 struct be_adapter
*adapter
= rxo
->adapter
;
1776 struct be_rx_page_info
*page_info
= NULL
, *prev_page_info
= NULL
;
1777 struct be_queue_info
*rxq
= &rxo
->q
;
1778 struct page
*pagep
= NULL
;
1779 struct be_eth_rx_d
*rxd
;
1780 u64 page_dmaaddr
= 0, frag_dmaaddr
;
1781 u32 posted
, page_offset
= 0;
1783 page_info
= &rxo
->page_info_tbl
[rxq
->head
];
1784 for (posted
= 0; posted
< MAX_RX_POST
&& !page_info
->page
; posted
++) {
1786 pagep
= be_alloc_pages(adapter
->big_page_size
, gfp
);
1787 if (unlikely(!pagep
)) {
1788 rx_stats(rxo
)->rx_post_fail
++;
1791 page_dmaaddr
= dma_map_page(&adapter
->pdev
->dev
, pagep
,
1792 0, adapter
->big_page_size
,
1794 page_info
->page_offset
= 0;
1797 page_info
->page_offset
= page_offset
+ rx_frag_size
;
1799 page_offset
= page_info
->page_offset
;
1800 page_info
->page
= pagep
;
1801 dma_unmap_addr_set(page_info
, bus
, page_dmaaddr
);
1802 frag_dmaaddr
= page_dmaaddr
+ page_info
->page_offset
;
1804 rxd
= queue_head_node(rxq
);
1805 rxd
->fragpa_lo
= cpu_to_le32(frag_dmaaddr
& 0xFFFFFFFF);
1806 rxd
->fragpa_hi
= cpu_to_le32(upper_32_bits(frag_dmaaddr
));
1808 /* Any space left in the current big page for another frag? */
1809 if ((page_offset
+ rx_frag_size
+ rx_frag_size
) >
1810 adapter
->big_page_size
) {
1812 page_info
->last_page_user
= true;
1815 prev_page_info
= page_info
;
1816 queue_head_inc(rxq
);
1817 page_info
= &rxo
->page_info_tbl
[rxq
->head
];
1820 prev_page_info
->last_page_user
= true;
1823 atomic_add(posted
, &rxq
->used
);
1824 if (rxo
->rx_post_starved
)
1825 rxo
->rx_post_starved
= false;
1826 be_rxq_notify(adapter
, rxq
->id
, posted
);
1827 } else if (atomic_read(&rxq
->used
) == 0) {
1828 /* Let be_worker replenish when memory is available */
1829 rxo
->rx_post_starved
= true;
1833 static struct be_eth_tx_compl
*be_tx_compl_get(struct be_queue_info
*tx_cq
)
1835 struct be_eth_tx_compl
*txcp
= queue_tail_node(tx_cq
);
1837 if (txcp
->dw
[offsetof(struct amap_eth_tx_compl
, valid
) / 32] == 0)
1841 be_dws_le_to_cpu(txcp
, sizeof(*txcp
));
1843 txcp
->dw
[offsetof(struct amap_eth_tx_compl
, valid
) / 32] = 0;
1845 queue_tail_inc(tx_cq
);
1849 static u16
be_tx_compl_process(struct be_adapter
*adapter
,
1850 struct be_tx_obj
*txo
, u16 last_index
)
1852 struct be_queue_info
*txq
= &txo
->q
;
1853 struct be_eth_wrb
*wrb
;
1854 struct sk_buff
**sent_skbs
= txo
->sent_skb_list
;
1855 struct sk_buff
*sent_skb
;
1856 u16 cur_index
, num_wrbs
= 1; /* account for hdr wrb */
1857 bool unmap_skb_hdr
= true;
1859 sent_skb
= sent_skbs
[txq
->tail
];
1861 sent_skbs
[txq
->tail
] = NULL
;
1863 /* skip header wrb */
1864 queue_tail_inc(txq
);
1867 cur_index
= txq
->tail
;
1868 wrb
= queue_tail_node(txq
);
1869 unmap_tx_frag(&adapter
->pdev
->dev
, wrb
,
1870 (unmap_skb_hdr
&& skb_headlen(sent_skb
)));
1871 unmap_skb_hdr
= false;
1874 queue_tail_inc(txq
);
1875 } while (cur_index
!= last_index
);
1877 kfree_skb(sent_skb
);
1881 /* Return the number of events in the event queue */
1882 static inline int events_get(struct be_eq_obj
*eqo
)
1884 struct be_eq_entry
*eqe
;
1888 eqe
= queue_tail_node(&eqo
->q
);
1895 queue_tail_inc(&eqo
->q
);
1901 /* Leaves the EQ is disarmed state */
1902 static void be_eq_clean(struct be_eq_obj
*eqo
)
1904 int num
= events_get(eqo
);
1906 be_eq_notify(eqo
->adapter
, eqo
->q
.id
, false, true, num
);
1909 static void be_rx_cq_clean(struct be_rx_obj
*rxo
)
1911 struct be_rx_page_info
*page_info
;
1912 struct be_queue_info
*rxq
= &rxo
->q
;
1913 struct be_queue_info
*rx_cq
= &rxo
->cq
;
1914 struct be_rx_compl_info
*rxcp
;
1915 struct be_adapter
*adapter
= rxo
->adapter
;
1919 /* Consume pending rx completions.
1920 * Wait for the flush completion (identified by zero num_rcvd)
1921 * to arrive. Notify CQ even when there are no more CQ entries
1922 * for HW to flush partially coalesced CQ entries.
1923 * In Lancer, there is no need to wait for flush compl.
1926 rxcp
= be_rx_compl_get(rxo
);
1928 if (lancer_chip(adapter
))
1931 if (flush_wait
++ > 10 || be_hw_error(adapter
)) {
1932 dev_warn(&adapter
->pdev
->dev
,
1933 "did not receive flush compl\n");
1936 be_cq_notify(adapter
, rx_cq
->id
, true, 0);
1939 be_rx_compl_discard(rxo
, rxcp
);
1940 be_cq_notify(adapter
, rx_cq
->id
, false, 1);
1941 if (rxcp
->num_rcvd
== 0)
1946 /* After cleanup, leave the CQ in unarmed state */
1947 be_cq_notify(adapter
, rx_cq
->id
, false, 0);
1949 /* Then free posted rx buffers that were not used */
1950 tail
= (rxq
->head
+ rxq
->len
- atomic_read(&rxq
->used
)) % rxq
->len
;
1951 for (; atomic_read(&rxq
->used
) > 0; index_inc(&tail
, rxq
->len
)) {
1952 page_info
= get_rx_page_info(rxo
, tail
);
1953 put_page(page_info
->page
);
1954 memset(page_info
, 0, sizeof(*page_info
));
1956 BUG_ON(atomic_read(&rxq
->used
));
1957 rxq
->tail
= rxq
->head
= 0;
1960 static void be_tx_compl_clean(struct be_adapter
*adapter
)
1962 struct be_tx_obj
*txo
;
1963 struct be_queue_info
*txq
;
1964 struct be_eth_tx_compl
*txcp
;
1965 u16 end_idx
, cmpl
= 0, timeo
= 0, num_wrbs
= 0;
1966 struct sk_buff
*sent_skb
;
1968 int i
, pending_txqs
;
1970 /* Wait for a max of 200ms for all the tx-completions to arrive. */
1972 pending_txqs
= adapter
->num_tx_qs
;
1974 for_all_tx_queues(adapter
, txo
, i
) {
1976 while ((txcp
= be_tx_compl_get(&txo
->cq
))) {
1978 AMAP_GET_BITS(struct amap_eth_tx_compl
,
1980 num_wrbs
+= be_tx_compl_process(adapter
, txo
,
1985 be_cq_notify(adapter
, txo
->cq
.id
, false, cmpl
);
1986 atomic_sub(num_wrbs
, &txq
->used
);
1990 if (atomic_read(&txq
->used
) == 0)
1994 if (pending_txqs
== 0 || ++timeo
> 200)
2000 for_all_tx_queues(adapter
, txo
, i
) {
2002 if (atomic_read(&txq
->used
))
2003 dev_err(&adapter
->pdev
->dev
, "%d pending tx-compls\n",
2004 atomic_read(&txq
->used
));
2006 /* free posted tx for which compls will never arrive */
2007 while (atomic_read(&txq
->used
)) {
2008 sent_skb
= txo
->sent_skb_list
[txq
->tail
];
2009 end_idx
= txq
->tail
;
2010 num_wrbs
= wrb_cnt_for_skb(adapter
, sent_skb
,
2012 index_adv(&end_idx
, num_wrbs
- 1, txq
->len
);
2013 num_wrbs
= be_tx_compl_process(adapter
, txo
, end_idx
);
2014 atomic_sub(num_wrbs
, &txq
->used
);
2019 static void be_evt_queues_destroy(struct be_adapter
*adapter
)
2021 struct be_eq_obj
*eqo
;
2024 for_all_evt_queues(adapter
, eqo
, i
) {
2025 if (eqo
->q
.created
) {
2027 be_cmd_q_destroy(adapter
, &eqo
->q
, QTYPE_EQ
);
2028 napi_hash_del(&eqo
->napi
);
2029 netif_napi_del(&eqo
->napi
);
2031 be_queue_free(adapter
, &eqo
->q
);
2035 static int be_evt_queues_create(struct be_adapter
*adapter
)
2037 struct be_queue_info
*eq
;
2038 struct be_eq_obj
*eqo
;
2039 struct be_aic_obj
*aic
;
2042 adapter
->num_evt_qs
= min_t(u16
, num_irqs(adapter
),
2043 adapter
->cfg_num_qs
);
2045 for_all_evt_queues(adapter
, eqo
, i
) {
2046 netif_napi_add(adapter
->netdev
, &eqo
->napi
, be_poll
,
2048 napi_hash_add(&eqo
->napi
);
2049 aic
= &adapter
->aic_obj
[i
];
2050 eqo
->adapter
= adapter
;
2051 eqo
->tx_budget
= BE_TX_BUDGET
;
2053 aic
->max_eqd
= BE_MAX_EQD
;
2057 rc
= be_queue_alloc(adapter
, eq
, EVNT_Q_LEN
,
2058 sizeof(struct be_eq_entry
));
2062 rc
= be_cmd_eq_create(adapter
, eqo
);
2069 static void be_mcc_queues_destroy(struct be_adapter
*adapter
)
2071 struct be_queue_info
*q
;
2073 q
= &adapter
->mcc_obj
.q
;
2075 be_cmd_q_destroy(adapter
, q
, QTYPE_MCCQ
);
2076 be_queue_free(adapter
, q
);
2078 q
= &adapter
->mcc_obj
.cq
;
2080 be_cmd_q_destroy(adapter
, q
, QTYPE_CQ
);
2081 be_queue_free(adapter
, q
);
2084 /* Must be called only after TX qs are created as MCC shares TX EQ */
2085 static int be_mcc_queues_create(struct be_adapter
*adapter
)
2087 struct be_queue_info
*q
, *cq
;
2089 cq
= &adapter
->mcc_obj
.cq
;
2090 if (be_queue_alloc(adapter
, cq
, MCC_CQ_LEN
,
2091 sizeof(struct be_mcc_compl
)))
2094 /* Use the default EQ for MCC completions */
2095 if (be_cmd_cq_create(adapter
, cq
, &mcc_eqo(adapter
)->q
, true, 0))
2098 q
= &adapter
->mcc_obj
.q
;
2099 if (be_queue_alloc(adapter
, q
, MCC_Q_LEN
, sizeof(struct be_mcc_wrb
)))
2100 goto mcc_cq_destroy
;
2102 if (be_cmd_mccq_create(adapter
, q
, cq
))
2108 be_queue_free(adapter
, q
);
2110 be_cmd_q_destroy(adapter
, cq
, QTYPE_CQ
);
2112 be_queue_free(adapter
, cq
);
2117 static void be_tx_queues_destroy(struct be_adapter
*adapter
)
2119 struct be_queue_info
*q
;
2120 struct be_tx_obj
*txo
;
2123 for_all_tx_queues(adapter
, txo
, i
) {
2126 be_cmd_q_destroy(adapter
, q
, QTYPE_TXQ
);
2127 be_queue_free(adapter
, q
);
2131 be_cmd_q_destroy(adapter
, q
, QTYPE_CQ
);
2132 be_queue_free(adapter
, q
);
2136 static int be_tx_qs_create(struct be_adapter
*adapter
)
2138 struct be_queue_info
*cq
, *eq
;
2139 struct be_tx_obj
*txo
;
2142 adapter
->num_tx_qs
= min(adapter
->num_evt_qs
, be_max_txqs(adapter
));
2144 for_all_tx_queues(adapter
, txo
, i
) {
2146 status
= be_queue_alloc(adapter
, cq
, TX_CQ_LEN
,
2147 sizeof(struct be_eth_tx_compl
));
2151 /* If num_evt_qs is less than num_tx_qs, then more than
2152 * one txq share an eq
2154 eq
= &adapter
->eq_obj
[i
% adapter
->num_evt_qs
].q
;
2155 status
= be_cmd_cq_create(adapter
, cq
, eq
, false, 3);
2159 status
= be_queue_alloc(adapter
, &txo
->q
, TX_Q_LEN
,
2160 sizeof(struct be_eth_wrb
));
2164 status
= be_cmd_txq_create(adapter
, txo
);
2169 dev_info(&adapter
->pdev
->dev
, "created %d TX queue(s)\n",
2170 adapter
->num_tx_qs
);
2174 static void be_rx_cqs_destroy(struct be_adapter
*adapter
)
2176 struct be_queue_info
*q
;
2177 struct be_rx_obj
*rxo
;
2180 for_all_rx_queues(adapter
, rxo
, i
) {
2183 be_cmd_q_destroy(adapter
, q
, QTYPE_CQ
);
2184 be_queue_free(adapter
, q
);
2188 static int be_rx_cqs_create(struct be_adapter
*adapter
)
2190 struct be_queue_info
*eq
, *cq
;
2191 struct be_rx_obj
*rxo
;
2194 /* We can create as many RSS rings as there are EQs. */
2195 adapter
->num_rx_qs
= adapter
->num_evt_qs
;
2197 /* We'll use RSS only if atleast 2 RSS rings are supported.
2198 * When RSS is used, we'll need a default RXQ for non-IP traffic.
2200 if (adapter
->num_rx_qs
> 1)
2201 adapter
->num_rx_qs
++;
2203 adapter
->big_page_size
= (1 << get_order(rx_frag_size
)) * PAGE_SIZE
;
2204 for_all_rx_queues(adapter
, rxo
, i
) {
2205 rxo
->adapter
= adapter
;
2207 rc
= be_queue_alloc(adapter
, cq
, RX_CQ_LEN
,
2208 sizeof(struct be_eth_rx_compl
));
2212 eq
= &adapter
->eq_obj
[i
% adapter
->num_evt_qs
].q
;
2213 rc
= be_cmd_cq_create(adapter
, cq
, eq
, false, 3);
2218 dev_info(&adapter
->pdev
->dev
,
2219 "created %d RSS queue(s) and 1 default RX queue\n",
2220 adapter
->num_rx_qs
- 1);
2224 static irqreturn_t
be_intx(int irq
, void *dev
)
2226 struct be_eq_obj
*eqo
= dev
;
2227 struct be_adapter
*adapter
= eqo
->adapter
;
2230 /* IRQ is not expected when NAPI is scheduled as the EQ
2231 * will not be armed.
2232 * But, this can happen on Lancer INTx where it takes
2233 * a while to de-assert INTx or in BE2 where occasionaly
2234 * an interrupt may be raised even when EQ is unarmed.
2235 * If NAPI is already scheduled, then counting & notifying
2236 * events will orphan them.
2238 if (napi_schedule_prep(&eqo
->napi
)) {
2239 num_evts
= events_get(eqo
);
2240 __napi_schedule(&eqo
->napi
);
2242 eqo
->spurious_intr
= 0;
2244 be_eq_notify(adapter
, eqo
->q
.id
, false, true, num_evts
);
2246 /* Return IRQ_HANDLED only for the the first spurious intr
2247 * after a valid intr to stop the kernel from branding
2248 * this irq as a bad one!
2250 if (num_evts
|| eqo
->spurious_intr
++ == 0)
2256 static irqreturn_t
be_msix(int irq
, void *dev
)
2258 struct be_eq_obj
*eqo
= dev
;
2260 be_eq_notify(eqo
->adapter
, eqo
->q
.id
, false, true, 0);
2261 napi_schedule(&eqo
->napi
);
2265 static inline bool do_gro(struct be_rx_compl_info
*rxcp
)
2267 return (rxcp
->tcpf
&& !rxcp
->err
&& rxcp
->l4_csum
) ? true : false;
2270 static int be_process_rx(struct be_rx_obj
*rxo
, struct napi_struct
*napi
,
2271 int budget
, int polling
)
2273 struct be_adapter
*adapter
= rxo
->adapter
;
2274 struct be_queue_info
*rx_cq
= &rxo
->cq
;
2275 struct be_rx_compl_info
*rxcp
;
2278 for (work_done
= 0; work_done
< budget
; work_done
++) {
2279 rxcp
= be_rx_compl_get(rxo
);
2283 /* Is it a flush compl that has no data */
2284 if (unlikely(rxcp
->num_rcvd
== 0))
2287 /* Discard compl with partial DMA Lancer B0 */
2288 if (unlikely(!rxcp
->pkt_size
)) {
2289 be_rx_compl_discard(rxo
, rxcp
);
2293 /* On BE drop pkts that arrive due to imperfect filtering in
2294 * promiscuous mode on some skews
2296 if (unlikely(rxcp
->port
!= adapter
->port_num
&&
2297 !lancer_chip(adapter
))) {
2298 be_rx_compl_discard(rxo
, rxcp
);
2302 /* Don't do gro when we're busy_polling */
2303 if (do_gro(rxcp
) && polling
!= BUSY_POLLING
)
2304 be_rx_compl_process_gro(rxo
, napi
, rxcp
);
2306 be_rx_compl_process(rxo
, napi
, rxcp
);
2309 be_rx_stats_update(rxo
, rxcp
);
2313 be_cq_notify(adapter
, rx_cq
->id
, true, work_done
);
2315 /* When an rx-obj gets into post_starved state, just
2316 * let be_worker do the posting.
2318 if (atomic_read(&rxo
->q
.used
) < RX_FRAGS_REFILL_WM
&&
2319 !rxo
->rx_post_starved
)
2320 be_post_rx_frags(rxo
, GFP_ATOMIC
);
2326 static bool be_process_tx(struct be_adapter
*adapter
, struct be_tx_obj
*txo
,
2327 int budget
, int idx
)
2329 struct be_eth_tx_compl
*txcp
;
2330 int num_wrbs
= 0, work_done
;
2332 for (work_done
= 0; work_done
< budget
; work_done
++) {
2333 txcp
= be_tx_compl_get(&txo
->cq
);
2336 num_wrbs
+= be_tx_compl_process(adapter
, txo
,
2337 AMAP_GET_BITS(struct amap_eth_tx_compl
,
2342 be_cq_notify(adapter
, txo
->cq
.id
, true, work_done
);
2343 atomic_sub(num_wrbs
, &txo
->q
.used
);
2345 /* As Tx wrbs have been freed up, wake up netdev queue
2346 * if it was stopped due to lack of tx wrbs. */
2347 if (__netif_subqueue_stopped(adapter
->netdev
, idx
) &&
2348 atomic_read(&txo
->q
.used
) < txo
->q
.len
/ 2) {
2349 netif_wake_subqueue(adapter
->netdev
, idx
);
2352 u64_stats_update_begin(&tx_stats(txo
)->sync_compl
);
2353 tx_stats(txo
)->tx_compl
+= work_done
;
2354 u64_stats_update_end(&tx_stats(txo
)->sync_compl
);
2356 return (work_done
< budget
); /* Done */
2359 int be_poll(struct napi_struct
*napi
, int budget
)
2361 struct be_eq_obj
*eqo
= container_of(napi
, struct be_eq_obj
, napi
);
2362 struct be_adapter
*adapter
= eqo
->adapter
;
2363 int max_work
= 0, work
, i
, num_evts
;
2364 struct be_rx_obj
*rxo
;
2367 num_evts
= events_get(eqo
);
2369 /* Process all TXQs serviced by this EQ */
2370 for (i
= eqo
->idx
; i
< adapter
->num_tx_qs
; i
+= adapter
->num_evt_qs
) {
2371 tx_done
= be_process_tx(adapter
, &adapter
->tx_obj
[i
],
2377 if (be_lock_napi(eqo
)) {
2378 /* This loop will iterate twice for EQ0 in which
2379 * completions of the last RXQ (default one) are also processed
2380 * For other EQs the loop iterates only once
2382 for_all_rx_queues_on_eq(adapter
, eqo
, rxo
, i
) {
2383 work
= be_process_rx(rxo
, napi
, budget
, NAPI_POLLING
);
2384 max_work
= max(work
, max_work
);
2386 be_unlock_napi(eqo
);
2391 if (is_mcc_eqo(eqo
))
2392 be_process_mcc(adapter
);
2394 if (max_work
< budget
) {
2395 napi_complete(napi
);
2396 be_eq_notify(adapter
, eqo
->q
.id
, true, false, num_evts
);
2398 /* As we'll continue in polling mode, count and clear events */
2399 be_eq_notify(adapter
, eqo
->q
.id
, false, false, num_evts
);
2404 #ifdef CONFIG_NET_RX_BUSY_POLL
2405 static int be_busy_poll(struct napi_struct
*napi
)
2407 struct be_eq_obj
*eqo
= container_of(napi
, struct be_eq_obj
, napi
);
2408 struct be_adapter
*adapter
= eqo
->adapter
;
2409 struct be_rx_obj
*rxo
;
2412 if (!be_lock_busy_poll(eqo
))
2413 return LL_FLUSH_BUSY
;
2415 for_all_rx_queues_on_eq(adapter
, eqo
, rxo
, i
) {
2416 work
= be_process_rx(rxo
, napi
, 4, BUSY_POLLING
);
2421 be_unlock_busy_poll(eqo
);
2426 void be_detect_error(struct be_adapter
*adapter
)
2428 u32 ue_lo
= 0, ue_hi
= 0, ue_lo_mask
= 0, ue_hi_mask
= 0;
2429 u32 sliport_status
= 0, sliport_err1
= 0, sliport_err2
= 0;
2432 if (be_hw_error(adapter
))
2435 if (lancer_chip(adapter
)) {
2436 sliport_status
= ioread32(adapter
->db
+ SLIPORT_STATUS_OFFSET
);
2437 if (sliport_status
& SLIPORT_STATUS_ERR_MASK
) {
2438 sliport_err1
= ioread32(adapter
->db
+
2439 SLIPORT_ERROR1_OFFSET
);
2440 sliport_err2
= ioread32(adapter
->db
+
2441 SLIPORT_ERROR2_OFFSET
);
2444 pci_read_config_dword(adapter
->pdev
,
2445 PCICFG_UE_STATUS_LOW
, &ue_lo
);
2446 pci_read_config_dword(adapter
->pdev
,
2447 PCICFG_UE_STATUS_HIGH
, &ue_hi
);
2448 pci_read_config_dword(adapter
->pdev
,
2449 PCICFG_UE_STATUS_LOW_MASK
, &ue_lo_mask
);
2450 pci_read_config_dword(adapter
->pdev
,
2451 PCICFG_UE_STATUS_HI_MASK
, &ue_hi_mask
);
2453 ue_lo
= (ue_lo
& ~ue_lo_mask
);
2454 ue_hi
= (ue_hi
& ~ue_hi_mask
);
2457 /* On certain platforms BE hardware can indicate spurious UEs.
2458 * Allow the h/w to stop working completely in case of a real UE.
2459 * Hence not setting the hw_error for UE detection.
2461 if (sliport_status
& SLIPORT_STATUS_ERR_MASK
) {
2462 adapter
->hw_error
= true;
2463 dev_err(&adapter
->pdev
->dev
,
2464 "Error detected in the card\n");
2467 if (sliport_status
& SLIPORT_STATUS_ERR_MASK
) {
2468 dev_err(&adapter
->pdev
->dev
,
2469 "ERR: sliport status 0x%x\n", sliport_status
);
2470 dev_err(&adapter
->pdev
->dev
,
2471 "ERR: sliport error1 0x%x\n", sliport_err1
);
2472 dev_err(&adapter
->pdev
->dev
,
2473 "ERR: sliport error2 0x%x\n", sliport_err2
);
2477 for (i
= 0; ue_lo
; ue_lo
>>= 1, i
++) {
2479 dev_err(&adapter
->pdev
->dev
,
2480 "UE: %s bit set\n", ue_status_low_desc
[i
]);
2485 for (i
= 0; ue_hi
; ue_hi
>>= 1, i
++) {
2487 dev_err(&adapter
->pdev
->dev
,
2488 "UE: %s bit set\n", ue_status_hi_desc
[i
]);
2494 static void be_msix_disable(struct be_adapter
*adapter
)
2496 if (msix_enabled(adapter
)) {
2497 pci_disable_msix(adapter
->pdev
);
2498 adapter
->num_msix_vec
= 0;
2499 adapter
->num_msix_roce_vec
= 0;
2503 static int be_msix_enable(struct be_adapter
*adapter
)
2505 int i
, status
, num_vec
;
2506 struct device
*dev
= &adapter
->pdev
->dev
;
2508 /* If RoCE is supported, program the max number of NIC vectors that
2509 * may be configured via set-channels, along with vectors needed for
2510 * RoCe. Else, just program the number we'll use initially.
2512 if (be_roce_supported(adapter
))
2513 num_vec
= min_t(int, 2 * be_max_eqs(adapter
),
2514 2 * num_online_cpus());
2516 num_vec
= adapter
->cfg_num_qs
;
2518 for (i
= 0; i
< num_vec
; i
++)
2519 adapter
->msix_entries
[i
].entry
= i
;
2521 status
= pci_enable_msix(adapter
->pdev
, adapter
->msix_entries
, num_vec
);
2524 } else if (status
>= MIN_MSIX_VECTORS
) {
2526 status
= pci_enable_msix(adapter
->pdev
, adapter
->msix_entries
,
2532 dev_warn(dev
, "MSIx enable failed\n");
2534 /* INTx is not supported in VFs, so fail probe if enable_msix fails */
2535 if (!be_physfn(adapter
))
2539 if (be_roce_supported(adapter
) && num_vec
> MIN_MSIX_VECTORS
) {
2540 adapter
->num_msix_roce_vec
= num_vec
/ 2;
2541 dev_info(dev
, "enabled %d MSI-x vector(s) for RoCE\n",
2542 adapter
->num_msix_roce_vec
);
2545 adapter
->num_msix_vec
= num_vec
- adapter
->num_msix_roce_vec
;
2547 dev_info(dev
, "enabled %d MSI-x vector(s) for NIC\n",
2548 adapter
->num_msix_vec
);
2552 static inline int be_msix_vec_get(struct be_adapter
*adapter
,
2553 struct be_eq_obj
*eqo
)
2555 return adapter
->msix_entries
[eqo
->msix_idx
].vector
;
2558 static int be_msix_register(struct be_adapter
*adapter
)
2560 struct net_device
*netdev
= adapter
->netdev
;
2561 struct be_eq_obj
*eqo
;
2564 for_all_evt_queues(adapter
, eqo
, i
) {
2565 sprintf(eqo
->desc
, "%s-q%d", netdev
->name
, i
);
2566 vec
= be_msix_vec_get(adapter
, eqo
);
2567 status
= request_irq(vec
, be_msix
, 0, eqo
->desc
, eqo
);
2574 for (i
--, eqo
= &adapter
->eq_obj
[i
]; i
>= 0; i
--, eqo
--)
2575 free_irq(be_msix_vec_get(adapter
, eqo
), eqo
);
2576 dev_warn(&adapter
->pdev
->dev
, "MSIX Request IRQ failed - err %d\n",
2578 be_msix_disable(adapter
);
2582 static int be_irq_register(struct be_adapter
*adapter
)
2584 struct net_device
*netdev
= adapter
->netdev
;
2587 if (msix_enabled(adapter
)) {
2588 status
= be_msix_register(adapter
);
2591 /* INTx is not supported for VF */
2592 if (!be_physfn(adapter
))
2596 /* INTx: only the first EQ is used */
2597 netdev
->irq
= adapter
->pdev
->irq
;
2598 status
= request_irq(netdev
->irq
, be_intx
, IRQF_SHARED
, netdev
->name
,
2599 &adapter
->eq_obj
[0]);
2601 dev_err(&adapter
->pdev
->dev
,
2602 "INTx request IRQ failed - err %d\n", status
);
2606 adapter
->isr_registered
= true;
2610 static void be_irq_unregister(struct be_adapter
*adapter
)
2612 struct net_device
*netdev
= adapter
->netdev
;
2613 struct be_eq_obj
*eqo
;
2616 if (!adapter
->isr_registered
)
2620 if (!msix_enabled(adapter
)) {
2621 free_irq(netdev
->irq
, &adapter
->eq_obj
[0]);
2626 for_all_evt_queues(adapter
, eqo
, i
)
2627 free_irq(be_msix_vec_get(adapter
, eqo
), eqo
);
2630 adapter
->isr_registered
= false;
2633 static void be_rx_qs_destroy(struct be_adapter
*adapter
)
2635 struct be_queue_info
*q
;
2636 struct be_rx_obj
*rxo
;
2639 for_all_rx_queues(adapter
, rxo
, i
) {
2642 be_cmd_rxq_destroy(adapter
, q
);
2643 be_rx_cq_clean(rxo
);
2645 be_queue_free(adapter
, q
);
2649 static int be_close(struct net_device
*netdev
)
2651 struct be_adapter
*adapter
= netdev_priv(netdev
);
2652 struct be_eq_obj
*eqo
;
2655 be_roce_dev_close(adapter
);
2657 for_all_evt_queues(adapter
, eqo
, i
) {
2658 if (adapter
->flags
& BE_FLAGS_NAPI_ENABLED
) {
2659 napi_disable(&eqo
->napi
);
2660 be_disable_busy_poll(eqo
);
2662 adapter
->flags
&= ~BE_FLAGS_NAPI_ENABLED
;
2665 be_async_mcc_disable(adapter
);
2667 /* Wait for all pending tx completions to arrive so that
2668 * all tx skbs are freed.
2670 netif_tx_disable(netdev
);
2671 be_tx_compl_clean(adapter
);
2673 be_rx_qs_destroy(adapter
);
2675 for_all_evt_queues(adapter
, eqo
, i
) {
2676 if (msix_enabled(adapter
))
2677 synchronize_irq(be_msix_vec_get(adapter
, eqo
));
2679 synchronize_irq(netdev
->irq
);
2683 be_irq_unregister(adapter
);
2688 static int be_rx_qs_create(struct be_adapter
*adapter
)
2690 struct be_rx_obj
*rxo
;
2694 for_all_rx_queues(adapter
, rxo
, i
) {
2695 rc
= be_queue_alloc(adapter
, &rxo
->q
, RX_Q_LEN
,
2696 sizeof(struct be_eth_rx_d
));
2701 /* The FW would like the default RXQ to be created first */
2702 rxo
= default_rxo(adapter
);
2703 rc
= be_cmd_rxq_create(adapter
, &rxo
->q
, rxo
->cq
.id
, rx_frag_size
,
2704 adapter
->if_handle
, false, &rxo
->rss_id
);
2708 for_all_rss_queues(adapter
, rxo
, i
) {
2709 rc
= be_cmd_rxq_create(adapter
, &rxo
->q
, rxo
->cq
.id
,
2710 rx_frag_size
, adapter
->if_handle
,
2711 true, &rxo
->rss_id
);
2716 if (be_multi_rxq(adapter
)) {
2717 for (j
= 0; j
< 128; j
+= adapter
->num_rx_qs
- 1) {
2718 for_all_rss_queues(adapter
, rxo
, i
) {
2721 rsstable
[j
+ i
] = rxo
->rss_id
;
2724 adapter
->rss_flags
= RSS_ENABLE_TCP_IPV4
| RSS_ENABLE_IPV4
|
2725 RSS_ENABLE_TCP_IPV6
| RSS_ENABLE_IPV6
;
2727 if (!BEx_chip(adapter
))
2728 adapter
->rss_flags
|= RSS_ENABLE_UDP_IPV4
|
2729 RSS_ENABLE_UDP_IPV6
;
2731 rc
= be_cmd_rss_config(adapter
, rsstable
, adapter
->rss_flags
,
2734 adapter
->rss_flags
= 0;
2739 /* First time posting */
2740 for_all_rx_queues(adapter
, rxo
, i
)
2741 be_post_rx_frags(rxo
, GFP_KERNEL
);
2745 static int be_open(struct net_device
*netdev
)
2747 struct be_adapter
*adapter
= netdev_priv(netdev
);
2748 struct be_eq_obj
*eqo
;
2749 struct be_rx_obj
*rxo
;
2750 struct be_tx_obj
*txo
;
2754 status
= be_rx_qs_create(adapter
);
2758 status
= be_irq_register(adapter
);
2762 for_all_rx_queues(adapter
, rxo
, i
)
2763 be_cq_notify(adapter
, rxo
->cq
.id
, true, 0);
2765 for_all_tx_queues(adapter
, txo
, i
)
2766 be_cq_notify(adapter
, txo
->cq
.id
, true, 0);
2768 be_async_mcc_enable(adapter
);
2770 for_all_evt_queues(adapter
, eqo
, i
) {
2771 napi_enable(&eqo
->napi
);
2772 be_enable_busy_poll(eqo
);
2773 be_eq_notify(adapter
, eqo
->q
.id
, true, false, 0);
2775 adapter
->flags
|= BE_FLAGS_NAPI_ENABLED
;
2777 status
= be_cmd_link_status_query(adapter
, NULL
, &link_status
, 0);
2779 be_link_status_update(adapter
, link_status
);
2781 netif_tx_start_all_queues(netdev
);
2782 be_roce_dev_open(adapter
);
2785 be_close(adapter
->netdev
);
2789 static int be_setup_wol(struct be_adapter
*adapter
, bool enable
)
2791 struct be_dma_mem cmd
;
2795 memset(mac
, 0, ETH_ALEN
);
2797 cmd
.size
= sizeof(struct be_cmd_req_acpi_wol_magic_config
);
2798 cmd
.va
= dma_zalloc_coherent(&adapter
->pdev
->dev
, cmd
.size
, &cmd
.dma
,
2804 status
= pci_write_config_dword(adapter
->pdev
,
2805 PCICFG_PM_CONTROL_OFFSET
, PCICFG_PM_CONTROL_MASK
);
2807 dev_err(&adapter
->pdev
->dev
,
2808 "Could not enable Wake-on-lan\n");
2809 dma_free_coherent(&adapter
->pdev
->dev
, cmd
.size
, cmd
.va
,
2813 status
= be_cmd_enable_magic_wol(adapter
,
2814 adapter
->netdev
->dev_addr
, &cmd
);
2815 pci_enable_wake(adapter
->pdev
, PCI_D3hot
, 1);
2816 pci_enable_wake(adapter
->pdev
, PCI_D3cold
, 1);
2818 status
= be_cmd_enable_magic_wol(adapter
, mac
, &cmd
);
2819 pci_enable_wake(adapter
->pdev
, PCI_D3hot
, 0);
2820 pci_enable_wake(adapter
->pdev
, PCI_D3cold
, 0);
2823 dma_free_coherent(&adapter
->pdev
->dev
, cmd
.size
, cmd
.va
, cmd
.dma
);
2828 * Generate a seed MAC address from the PF MAC Address using jhash.
2829 * MAC Address for VFs are assigned incrementally starting from the seed.
2830 * These addresses are programmed in the ASIC by the PF and the VF driver
2831 * queries for the MAC address during its probe.
2833 static int be_vf_eth_addr_config(struct be_adapter
*adapter
)
2838 struct be_vf_cfg
*vf_cfg
;
2840 be_vf_eth_addr_generate(adapter
, mac
);
2842 for_all_vfs(adapter
, vf_cfg
, vf
) {
2843 if (BEx_chip(adapter
))
2844 status
= be_cmd_pmac_add(adapter
, mac
,
2846 &vf_cfg
->pmac_id
, vf
+ 1);
2848 status
= be_cmd_set_mac(adapter
, mac
, vf_cfg
->if_handle
,
2852 dev_err(&adapter
->pdev
->dev
,
2853 "Mac address assignment failed for VF %d\n", vf
);
2855 memcpy(vf_cfg
->mac_addr
, mac
, ETH_ALEN
);
2862 static int be_vfs_mac_query(struct be_adapter
*adapter
)
2866 struct be_vf_cfg
*vf_cfg
;
2867 bool active
= false;
2869 for_all_vfs(adapter
, vf_cfg
, vf
) {
2870 be_cmd_get_mac_from_list(adapter
, mac
, &active
,
2871 &vf_cfg
->pmac_id
, 0);
2873 status
= be_cmd_mac_addr_query(adapter
, mac
, false,
2874 vf_cfg
->if_handle
, 0);
2877 memcpy(vf_cfg
->mac_addr
, mac
, ETH_ALEN
);
2882 static void be_vf_clear(struct be_adapter
*adapter
)
2884 struct be_vf_cfg
*vf_cfg
;
2887 if (pci_vfs_assigned(adapter
->pdev
)) {
2888 dev_warn(&adapter
->pdev
->dev
,
2889 "VFs are assigned to VMs: not disabling VFs\n");
2893 pci_disable_sriov(adapter
->pdev
);
2895 for_all_vfs(adapter
, vf_cfg
, vf
) {
2896 if (BEx_chip(adapter
))
2897 be_cmd_pmac_del(adapter
, vf_cfg
->if_handle
,
2898 vf_cfg
->pmac_id
, vf
+ 1);
2900 be_cmd_set_mac(adapter
, NULL
, vf_cfg
->if_handle
,
2903 be_cmd_if_destroy(adapter
, vf_cfg
->if_handle
, vf
+ 1);
2906 kfree(adapter
->vf_cfg
);
2907 adapter
->num_vfs
= 0;
2910 static void be_clear_queues(struct be_adapter
*adapter
)
2912 be_mcc_queues_destroy(adapter
);
2913 be_rx_cqs_destroy(adapter
);
2914 be_tx_queues_destroy(adapter
);
2915 be_evt_queues_destroy(adapter
);
2918 static void be_cancel_worker(struct be_adapter
*adapter
)
2920 if (adapter
->flags
& BE_FLAGS_WORKER_SCHEDULED
) {
2921 cancel_delayed_work_sync(&adapter
->work
);
2922 adapter
->flags
&= ~BE_FLAGS_WORKER_SCHEDULED
;
2926 static int be_clear(struct be_adapter
*adapter
)
2930 be_cancel_worker(adapter
);
2932 if (sriov_enabled(adapter
))
2933 be_vf_clear(adapter
);
2935 /* delete the primary mac along with the uc-mac list */
2936 for (i
= 0; i
< (adapter
->uc_macs
+ 1); i
++)
2937 be_cmd_pmac_del(adapter
, adapter
->if_handle
,
2938 adapter
->pmac_id
[i
], 0);
2939 adapter
->uc_macs
= 0;
2941 be_cmd_if_destroy(adapter
, adapter
->if_handle
, 0);
2943 be_clear_queues(adapter
);
2945 kfree(adapter
->pmac_id
);
2946 adapter
->pmac_id
= NULL
;
2948 be_msix_disable(adapter
);
2952 static int be_vfs_if_create(struct be_adapter
*adapter
)
2954 struct be_resources res
= {0};
2955 struct be_vf_cfg
*vf_cfg
;
2956 u32 cap_flags
, en_flags
, vf
;
2959 cap_flags
= BE_IF_FLAGS_UNTAGGED
| BE_IF_FLAGS_BROADCAST
|
2960 BE_IF_FLAGS_MULTICAST
;
2962 for_all_vfs(adapter
, vf_cfg
, vf
) {
2963 if (!BE3_chip(adapter
)) {
2964 status
= be_cmd_get_profile_config(adapter
, &res
,
2967 cap_flags
= res
.if_cap_flags
;
2970 /* If a FW profile exists, then cap_flags are updated */
2971 en_flags
= cap_flags
& (BE_IF_FLAGS_UNTAGGED
|
2972 BE_IF_FLAGS_BROADCAST
| BE_IF_FLAGS_MULTICAST
);
2973 status
= be_cmd_if_create(adapter
, cap_flags
, en_flags
,
2974 &vf_cfg
->if_handle
, vf
+ 1);
2982 static int be_vf_setup_init(struct be_adapter
*adapter
)
2984 struct be_vf_cfg
*vf_cfg
;
2987 adapter
->vf_cfg
= kcalloc(adapter
->num_vfs
, sizeof(*vf_cfg
),
2989 if (!adapter
->vf_cfg
)
2992 for_all_vfs(adapter
, vf_cfg
, vf
) {
2993 vf_cfg
->if_handle
= -1;
2994 vf_cfg
->pmac_id
= -1;
2999 static int be_vf_setup(struct be_adapter
*adapter
)
3001 struct be_vf_cfg
*vf_cfg
;
3002 u16 def_vlan
, lnk_speed
;
3003 int status
, old_vfs
, vf
;
3004 struct device
*dev
= &adapter
->pdev
->dev
;
3007 old_vfs
= pci_num_vf(adapter
->pdev
);
3009 dev_info(dev
, "%d VFs are already enabled\n", old_vfs
);
3010 if (old_vfs
!= num_vfs
)
3011 dev_warn(dev
, "Ignoring num_vfs=%d setting\n", num_vfs
);
3012 adapter
->num_vfs
= old_vfs
;
3014 if (num_vfs
> be_max_vfs(adapter
))
3015 dev_info(dev
, "Device supports %d VFs and not %d\n",
3016 be_max_vfs(adapter
), num_vfs
);
3017 adapter
->num_vfs
= min_t(u16
, num_vfs
, be_max_vfs(adapter
));
3018 if (!adapter
->num_vfs
)
3022 status
= be_vf_setup_init(adapter
);
3027 for_all_vfs(adapter
, vf_cfg
, vf
) {
3028 status
= be_cmd_get_if_id(adapter
, vf_cfg
, vf
);
3033 status
= be_vfs_if_create(adapter
);
3039 status
= be_vfs_mac_query(adapter
);
3043 status
= be_vf_eth_addr_config(adapter
);
3048 for_all_vfs(adapter
, vf_cfg
, vf
) {
3049 /* Allow VFs to programs MAC/VLAN filters */
3050 status
= be_cmd_get_fn_privileges(adapter
, &privileges
, vf
+ 1);
3051 if (!status
&& !(privileges
& BE_PRIV_FILTMGMT
)) {
3052 status
= be_cmd_set_fn_privileges(adapter
,
3057 dev_info(dev
, "VF%d has FILTMGMT privilege\n",
3061 /* BE3 FW, by default, caps VF TX-rate to 100mbps.
3062 * Allow full available bandwidth
3064 if (BE3_chip(adapter
) && !old_vfs
)
3065 be_cmd_set_qos(adapter
, 1000, vf
+1);
3067 status
= be_cmd_link_status_query(adapter
, &lnk_speed
,
3070 vf_cfg
->tx_rate
= lnk_speed
;
3072 status
= be_cmd_get_hsw_config(adapter
, &def_vlan
,
3073 vf
+ 1, vf_cfg
->if_handle
, NULL
);
3076 vf_cfg
->def_vid
= def_vlan
;
3079 be_cmd_enable_vf(adapter
, vf
+ 1);
3083 status
= pci_enable_sriov(adapter
->pdev
, adapter
->num_vfs
);
3085 dev_err(dev
, "SRIOV enable failed\n");
3086 adapter
->num_vfs
= 0;
3092 dev_err(dev
, "VF setup failed\n");
3093 be_vf_clear(adapter
);
3097 /* On BE2/BE3 FW does not suggest the supported limits */
3098 static void BEx_get_resources(struct be_adapter
*adapter
,
3099 struct be_resources
*res
)
3101 struct pci_dev
*pdev
= adapter
->pdev
;
3102 bool use_sriov
= false;
3104 if (BE3_chip(adapter
) && sriov_want(adapter
)) {
3107 max_vfs
= pci_sriov_get_totalvfs(pdev
);
3108 res
->max_vfs
= max_vfs
> 0 ? min(MAX_VFS
, max_vfs
) : 0;
3109 use_sriov
= res
->max_vfs
;
3112 if (be_physfn(adapter
))
3113 res
->max_uc_mac
= BE_UC_PMAC_COUNT
;
3115 res
->max_uc_mac
= BE_VF_UC_PMAC_COUNT
;
3117 if (adapter
->function_mode
& FLEX10_MODE
)
3118 res
->max_vlans
= BE_NUM_VLANS_SUPPORTED
/8;
3119 else if (adapter
->function_mode
& UMC_ENABLED
)
3120 res
->max_vlans
= BE_UMC_NUM_VLANS_SUPPORTED
;
3122 res
->max_vlans
= BE_NUM_VLANS_SUPPORTED
;
3123 res
->max_mcast_mac
= BE_MAX_MC
;
3125 /* For BE3 1Gb ports, F/W does not properly support multiple TXQs */
3126 if (BE2_chip(adapter
) || use_sriov
|| be_is_mc(adapter
) ||
3127 !be_physfn(adapter
) || (adapter
->port_num
> 1))
3130 res
->max_tx_qs
= BE3_MAX_TX_QS
;
3132 if ((adapter
->function_caps
& BE_FUNCTION_CAPS_RSS
) &&
3133 !use_sriov
&& be_physfn(adapter
))
3134 res
->max_rss_qs
= (adapter
->be3_native
) ?
3135 BE3_MAX_RSS_QS
: BE2_MAX_RSS_QS
;
3136 res
->max_rx_qs
= res
->max_rss_qs
+ 1;
3138 res
->max_evt_qs
= be_physfn(adapter
) ? BE3_MAX_EVT_QS
: 1;
3140 res
->if_cap_flags
= BE_IF_CAP_FLAGS_WANT
;
3141 if (!(adapter
->function_caps
& BE_FUNCTION_CAPS_RSS
))
3142 res
->if_cap_flags
&= ~BE_IF_FLAGS_RSS
;
3145 static void be_setup_init(struct be_adapter
*adapter
)
3147 adapter
->vlan_prio_bmap
= 0xff;
3148 adapter
->phy
.link_speed
= -1;
3149 adapter
->if_handle
= -1;
3150 adapter
->be3_native
= false;
3151 adapter
->promiscuous
= false;
3152 if (be_physfn(adapter
))
3153 adapter
->cmd_privileges
= MAX_PRIVILEGES
;
3155 adapter
->cmd_privileges
= MIN_PRIVILEGES
;
3158 static int be_get_resources(struct be_adapter
*adapter
)
3160 struct device
*dev
= &adapter
->pdev
->dev
;
3161 struct be_resources res
= {0};
3164 if (BEx_chip(adapter
)) {
3165 BEx_get_resources(adapter
, &res
);
3169 /* For Lancer, SH etc read per-function resource limits from FW.
3170 * GET_FUNC_CONFIG returns per function guaranteed limits.
3171 * GET_PROFILE_CONFIG returns PCI-E related limits PF-pool limits
3173 if (!BEx_chip(adapter
)) {
3174 status
= be_cmd_get_func_config(adapter
, &res
);
3178 /* If RoCE may be enabled stash away half the EQs for RoCE */
3179 if (be_roce_supported(adapter
))
3180 res
.max_evt_qs
/= 2;
3183 if (be_physfn(adapter
)) {
3184 status
= be_cmd_get_profile_config(adapter
, &res
, 0);
3187 adapter
->res
.max_vfs
= res
.max_vfs
;
3190 dev_info(dev
, "Max: txqs %d, rxqs %d, rss %d, eqs %d, vfs %d\n",
3191 be_max_txqs(adapter
), be_max_rxqs(adapter
),
3192 be_max_rss(adapter
), be_max_eqs(adapter
),
3193 be_max_vfs(adapter
));
3194 dev_info(dev
, "Max: uc-macs %d, mc-macs %d, vlans %d\n",
3195 be_max_uc(adapter
), be_max_mc(adapter
),
3196 be_max_vlans(adapter
));
3202 /* Routine to query per function resource limits */
3203 static int be_get_config(struct be_adapter
*adapter
)
3207 status
= be_cmd_query_fw_cfg(adapter
, &adapter
->port_num
,
3208 &adapter
->function_mode
,
3209 &adapter
->function_caps
,
3210 &adapter
->asic_rev
);
3214 status
= be_get_resources(adapter
);
3218 /* primary mac needs 1 pmac entry */
3219 adapter
->pmac_id
= kcalloc(be_max_uc(adapter
) + 1, sizeof(u32
),
3221 if (!adapter
->pmac_id
)
3224 /* Sanitize cfg_num_qs based on HW and platform limits */
3225 adapter
->cfg_num_qs
= min(adapter
->cfg_num_qs
, be_max_qs(adapter
));
3230 static int be_mac_setup(struct be_adapter
*adapter
)
3235 if (is_zero_ether_addr(adapter
->netdev
->dev_addr
)) {
3236 status
= be_cmd_get_perm_mac(adapter
, mac
);
3240 memcpy(adapter
->netdev
->dev_addr
, mac
, ETH_ALEN
);
3241 memcpy(adapter
->netdev
->perm_addr
, mac
, ETH_ALEN
);
3243 /* Maybe the HW was reset; dev_addr must be re-programmed */
3244 memcpy(mac
, adapter
->netdev
->dev_addr
, ETH_ALEN
);
3247 /* On BE3 VFs this cmd may fail due to lack of privilege.
3248 * Ignore the failure as in this case pmac_id is fetched
3249 * in the IFACE_CREATE cmd.
3251 be_cmd_pmac_add(adapter
, mac
, adapter
->if_handle
,
3252 &adapter
->pmac_id
[0], 0);
3256 static void be_schedule_worker(struct be_adapter
*adapter
)
3258 schedule_delayed_work(&adapter
->work
, msecs_to_jiffies(1000));
3259 adapter
->flags
|= BE_FLAGS_WORKER_SCHEDULED
;
3262 static int be_setup_queues(struct be_adapter
*adapter
)
3264 struct net_device
*netdev
= adapter
->netdev
;
3267 status
= be_evt_queues_create(adapter
);
3271 status
= be_tx_qs_create(adapter
);
3275 status
= be_rx_cqs_create(adapter
);
3279 status
= be_mcc_queues_create(adapter
);
3283 status
= netif_set_real_num_rx_queues(netdev
, adapter
->num_rx_qs
);
3287 status
= netif_set_real_num_tx_queues(netdev
, adapter
->num_tx_qs
);
3293 dev_err(&adapter
->pdev
->dev
, "queue_setup failed\n");
3297 int be_update_queues(struct be_adapter
*adapter
)
3299 struct net_device
*netdev
= adapter
->netdev
;
3302 if (netif_running(netdev
))
3305 be_cancel_worker(adapter
);
3307 /* If any vectors have been shared with RoCE we cannot re-program
3310 if (!adapter
->num_msix_roce_vec
)
3311 be_msix_disable(adapter
);
3313 be_clear_queues(adapter
);
3315 if (!msix_enabled(adapter
)) {
3316 status
= be_msix_enable(adapter
);
3321 status
= be_setup_queues(adapter
);
3325 be_schedule_worker(adapter
);
3327 if (netif_running(netdev
))
3328 status
= be_open(netdev
);
3333 static int be_setup(struct be_adapter
*adapter
)
3335 struct device
*dev
= &adapter
->pdev
->dev
;
3336 u32 tx_fc
, rx_fc
, en_flags
;
3339 be_setup_init(adapter
);
3341 if (!lancer_chip(adapter
))
3342 be_cmd_req_native_mode(adapter
);
3344 status
= be_get_config(adapter
);
3348 status
= be_msix_enable(adapter
);
3352 en_flags
= BE_IF_FLAGS_UNTAGGED
| BE_IF_FLAGS_BROADCAST
|
3353 BE_IF_FLAGS_MULTICAST
| BE_IF_FLAGS_PASS_L3L4_ERRORS
;
3354 if (adapter
->function_caps
& BE_FUNCTION_CAPS_RSS
)
3355 en_flags
|= BE_IF_FLAGS_RSS
;
3356 en_flags
= en_flags
& be_if_cap_flags(adapter
);
3357 status
= be_cmd_if_create(adapter
, be_if_cap_flags(adapter
), en_flags
,
3358 &adapter
->if_handle
, 0);
3362 /* Updating real_num_tx/rx_queues() requires rtnl_lock() */
3364 status
= be_setup_queues(adapter
);
3369 be_cmd_get_fn_privileges(adapter
, &adapter
->cmd_privileges
, 0);
3370 /* In UMC mode FW does not return right privileges.
3371 * Override with correct privilege equivalent to PF.
3373 if (be_is_mc(adapter
))
3374 adapter
->cmd_privileges
= MAX_PRIVILEGES
;
3376 status
= be_mac_setup(adapter
);
3380 be_cmd_get_fw_ver(adapter
, adapter
->fw_ver
, adapter
->fw_on_flash
);
3382 if (BE2_chip(adapter
) && fw_major_num(adapter
->fw_ver
) < 4) {
3383 dev_err(dev
, "Firmware on card is old(%s), IRQs may not work.",
3385 dev_err(dev
, "Please upgrade firmware to version >= 4.0\n");
3388 if (adapter
->vlans_added
)
3389 be_vid_config(adapter
);
3391 be_set_rx_mode(adapter
->netdev
);
3393 be_cmd_get_flow_control(adapter
, &tx_fc
, &rx_fc
);
3395 if (rx_fc
!= adapter
->rx_fc
|| tx_fc
!= adapter
->tx_fc
)
3396 be_cmd_set_flow_control(adapter
, adapter
->tx_fc
,
3399 if (sriov_want(adapter
)) {
3400 if (be_max_vfs(adapter
))
3401 be_vf_setup(adapter
);
3403 dev_warn(dev
, "device doesn't support SRIOV\n");
3406 status
= be_cmd_get_phy_info(adapter
);
3407 if (!status
&& be_pause_supported(adapter
))
3408 adapter
->phy
.fc_autoneg
= 1;
3410 be_schedule_worker(adapter
);
3417 #ifdef CONFIG_NET_POLL_CONTROLLER
3418 static void be_netpoll(struct net_device
*netdev
)
3420 struct be_adapter
*adapter
= netdev_priv(netdev
);
3421 struct be_eq_obj
*eqo
;
3424 for_all_evt_queues(adapter
, eqo
, i
) {
3425 be_eq_notify(eqo
->adapter
, eqo
->q
.id
, false, true, 0);
3426 napi_schedule(&eqo
->napi
);
3433 #define FW_FILE_HDR_SIGN "ServerEngines Corp. "
3434 static char flash_cookie
[2][16] = {"*** SE FLAS", "H DIRECTORY *** "};
3436 static bool be_flash_redboot(struct be_adapter
*adapter
,
3437 const u8
*p
, u32 img_start
, int image_size
,
3444 crc_offset
= hdr_size
+ img_start
+ image_size
- 4;
3448 status
= be_cmd_get_flash_crc(adapter
, flashed_crc
,
3451 dev_err(&adapter
->pdev
->dev
,
3452 "could not get crc from flash, not flashing redboot\n");
3456 /*update redboot only if crc does not match*/
3457 if (!memcmp(flashed_crc
, p
, 4))
3463 static bool phy_flashing_required(struct be_adapter
*adapter
)
3465 return (adapter
->phy
.phy_type
== TN_8022
&&
3466 adapter
->phy
.interface_type
== PHY_TYPE_BASET_10GB
);
3469 static bool is_comp_in_ufi(struct be_adapter
*adapter
,
3470 struct flash_section_info
*fsec
, int type
)
3472 int i
= 0, img_type
= 0;
3473 struct flash_section_info_g2
*fsec_g2
= NULL
;
3475 if (BE2_chip(adapter
))
3476 fsec_g2
= (struct flash_section_info_g2
*)fsec
;
3478 for (i
= 0; i
< MAX_FLASH_COMP
; i
++) {
3480 img_type
= le32_to_cpu(fsec_g2
->fsec_entry
[i
].type
);
3482 img_type
= le32_to_cpu(fsec
->fsec_entry
[i
].type
);
3484 if (img_type
== type
)
3491 static struct flash_section_info
*get_fsec_info(struct be_adapter
*adapter
,
3493 const struct firmware
*fw
)
3495 struct flash_section_info
*fsec
= NULL
;
3496 const u8
*p
= fw
->data
;
3499 while (p
< (fw
->data
+ fw
->size
)) {
3500 fsec
= (struct flash_section_info
*)p
;
3501 if (!memcmp(flash_cookie
, fsec
->cookie
, sizeof(flash_cookie
)))
3508 static int be_flash(struct be_adapter
*adapter
, const u8
*img
,
3509 struct be_dma_mem
*flash_cmd
, int optype
, int img_size
)
3511 u32 total_bytes
= 0, flash_op
, num_bytes
= 0;
3513 struct be_cmd_write_flashrom
*req
= flash_cmd
->va
;
3515 total_bytes
= img_size
;
3516 while (total_bytes
) {
3517 num_bytes
= min_t(u32
, 32*1024, total_bytes
);
3519 total_bytes
-= num_bytes
;
3522 if (optype
== OPTYPE_PHY_FW
)
3523 flash_op
= FLASHROM_OPER_PHY_FLASH
;
3525 flash_op
= FLASHROM_OPER_FLASH
;
3527 if (optype
== OPTYPE_PHY_FW
)
3528 flash_op
= FLASHROM_OPER_PHY_SAVE
;
3530 flash_op
= FLASHROM_OPER_SAVE
;
3533 memcpy(req
->data_buf
, img
, num_bytes
);
3535 status
= be_cmd_write_flashrom(adapter
, flash_cmd
, optype
,
3536 flash_op
, num_bytes
);
3538 if (status
== ILLEGAL_IOCTL_REQ
&&
3539 optype
== OPTYPE_PHY_FW
)
3541 dev_err(&adapter
->pdev
->dev
,
3542 "cmd to write to flash rom failed.\n");
3549 /* For BE2, BE3 and BE3-R */
3550 static int be_flash_BEx(struct be_adapter
*adapter
,
3551 const struct firmware
*fw
,
3552 struct be_dma_mem
*flash_cmd
,
3556 int status
= 0, i
, filehdr_size
= 0;
3557 int img_hdrs_size
= (num_of_images
* sizeof(struct image_hdr
));
3558 const u8
*p
= fw
->data
;
3559 const struct flash_comp
*pflashcomp
;
3560 int num_comp
, redboot
;
3561 struct flash_section_info
*fsec
= NULL
;
3563 struct flash_comp gen3_flash_types
[] = {
3564 { FLASH_iSCSI_PRIMARY_IMAGE_START_g3
, OPTYPE_ISCSI_ACTIVE
,
3565 FLASH_IMAGE_MAX_SIZE_g3
, IMAGE_FIRMWARE_iSCSI
},
3566 { FLASH_REDBOOT_START_g3
, OPTYPE_REDBOOT
,
3567 FLASH_REDBOOT_IMAGE_MAX_SIZE_g3
, IMAGE_BOOT_CODE
},
3568 { FLASH_iSCSI_BIOS_START_g3
, OPTYPE_BIOS
,
3569 FLASH_BIOS_IMAGE_MAX_SIZE_g3
, IMAGE_OPTION_ROM_ISCSI
},
3570 { FLASH_PXE_BIOS_START_g3
, OPTYPE_PXE_BIOS
,
3571 FLASH_BIOS_IMAGE_MAX_SIZE_g3
, IMAGE_OPTION_ROM_PXE
},
3572 { FLASH_FCoE_BIOS_START_g3
, OPTYPE_FCOE_BIOS
,
3573 FLASH_BIOS_IMAGE_MAX_SIZE_g3
, IMAGE_OPTION_ROM_FCoE
},
3574 { FLASH_iSCSI_BACKUP_IMAGE_START_g3
, OPTYPE_ISCSI_BACKUP
,
3575 FLASH_IMAGE_MAX_SIZE_g3
, IMAGE_FIRMWARE_BACKUP_iSCSI
},
3576 { FLASH_FCoE_PRIMARY_IMAGE_START_g3
, OPTYPE_FCOE_FW_ACTIVE
,
3577 FLASH_IMAGE_MAX_SIZE_g3
, IMAGE_FIRMWARE_FCoE
},
3578 { FLASH_FCoE_BACKUP_IMAGE_START_g3
, OPTYPE_FCOE_FW_BACKUP
,
3579 FLASH_IMAGE_MAX_SIZE_g3
, IMAGE_FIRMWARE_BACKUP_FCoE
},
3580 { FLASH_NCSI_START_g3
, OPTYPE_NCSI_FW
,
3581 FLASH_NCSI_IMAGE_MAX_SIZE_g3
, IMAGE_NCSI
},
3582 { FLASH_PHY_FW_START_g3
, OPTYPE_PHY_FW
,
3583 FLASH_PHY_FW_IMAGE_MAX_SIZE_g3
, IMAGE_FIRMWARE_PHY
}
3586 struct flash_comp gen2_flash_types
[] = {
3587 { FLASH_iSCSI_PRIMARY_IMAGE_START_g2
, OPTYPE_ISCSI_ACTIVE
,
3588 FLASH_IMAGE_MAX_SIZE_g2
, IMAGE_FIRMWARE_iSCSI
},
3589 { FLASH_REDBOOT_START_g2
, OPTYPE_REDBOOT
,
3590 FLASH_REDBOOT_IMAGE_MAX_SIZE_g2
, IMAGE_BOOT_CODE
},
3591 { FLASH_iSCSI_BIOS_START_g2
, OPTYPE_BIOS
,
3592 FLASH_BIOS_IMAGE_MAX_SIZE_g2
, IMAGE_OPTION_ROM_ISCSI
},
3593 { FLASH_PXE_BIOS_START_g2
, OPTYPE_PXE_BIOS
,
3594 FLASH_BIOS_IMAGE_MAX_SIZE_g2
, IMAGE_OPTION_ROM_PXE
},
3595 { FLASH_FCoE_BIOS_START_g2
, OPTYPE_FCOE_BIOS
,
3596 FLASH_BIOS_IMAGE_MAX_SIZE_g2
, IMAGE_OPTION_ROM_FCoE
},
3597 { FLASH_iSCSI_BACKUP_IMAGE_START_g2
, OPTYPE_ISCSI_BACKUP
,
3598 FLASH_IMAGE_MAX_SIZE_g2
, IMAGE_FIRMWARE_BACKUP_iSCSI
},
3599 { FLASH_FCoE_PRIMARY_IMAGE_START_g2
, OPTYPE_FCOE_FW_ACTIVE
,
3600 FLASH_IMAGE_MAX_SIZE_g2
, IMAGE_FIRMWARE_FCoE
},
3601 { FLASH_FCoE_BACKUP_IMAGE_START_g2
, OPTYPE_FCOE_FW_BACKUP
,
3602 FLASH_IMAGE_MAX_SIZE_g2
, IMAGE_FIRMWARE_BACKUP_FCoE
}
3605 if (BE3_chip(adapter
)) {
3606 pflashcomp
= gen3_flash_types
;
3607 filehdr_size
= sizeof(struct flash_file_hdr_g3
);
3608 num_comp
= ARRAY_SIZE(gen3_flash_types
);
3610 pflashcomp
= gen2_flash_types
;
3611 filehdr_size
= sizeof(struct flash_file_hdr_g2
);
3612 num_comp
= ARRAY_SIZE(gen2_flash_types
);
3615 /* Get flash section info*/
3616 fsec
= get_fsec_info(adapter
, filehdr_size
+ img_hdrs_size
, fw
);
3618 dev_err(&adapter
->pdev
->dev
,
3619 "Invalid Cookie. UFI corrupted ?\n");
3622 for (i
= 0; i
< num_comp
; i
++) {
3623 if (!is_comp_in_ufi(adapter
, fsec
, pflashcomp
[i
].img_type
))
3626 if ((pflashcomp
[i
].optype
== OPTYPE_NCSI_FW
) &&
3627 memcmp(adapter
->fw_ver
, "3.102.148.0", 11) < 0)
3630 if (pflashcomp
[i
].optype
== OPTYPE_PHY_FW
&&
3631 !phy_flashing_required(adapter
))
3634 if (pflashcomp
[i
].optype
== OPTYPE_REDBOOT
) {
3635 redboot
= be_flash_redboot(adapter
, fw
->data
,
3636 pflashcomp
[i
].offset
, pflashcomp
[i
].size
,
3637 filehdr_size
+ img_hdrs_size
);
3643 p
+= filehdr_size
+ pflashcomp
[i
].offset
+ img_hdrs_size
;
3644 if (p
+ pflashcomp
[i
].size
> fw
->data
+ fw
->size
)
3647 status
= be_flash(adapter
, p
, flash_cmd
, pflashcomp
[i
].optype
,
3648 pflashcomp
[i
].size
);
3650 dev_err(&adapter
->pdev
->dev
,
3651 "Flashing section type %d failed.\n",
3652 pflashcomp
[i
].img_type
);
3659 static int be_flash_skyhawk(struct be_adapter
*adapter
,
3660 const struct firmware
*fw
,
3661 struct be_dma_mem
*flash_cmd
, int num_of_images
)
3663 int status
= 0, i
, filehdr_size
= 0;
3664 int img_offset
, img_size
, img_optype
, redboot
;
3665 int img_hdrs_size
= num_of_images
* sizeof(struct image_hdr
);
3666 const u8
*p
= fw
->data
;
3667 struct flash_section_info
*fsec
= NULL
;
3669 filehdr_size
= sizeof(struct flash_file_hdr_g3
);
3670 fsec
= get_fsec_info(adapter
, filehdr_size
+ img_hdrs_size
, fw
);
3672 dev_err(&adapter
->pdev
->dev
,
3673 "Invalid Cookie. UFI corrupted ?\n");
3677 for (i
= 0; i
< le32_to_cpu(fsec
->fsec_hdr
.num_images
); i
++) {
3678 img_offset
= le32_to_cpu(fsec
->fsec_entry
[i
].offset
);
3679 img_size
= le32_to_cpu(fsec
->fsec_entry
[i
].pad_size
);
3681 switch (le32_to_cpu(fsec
->fsec_entry
[i
].type
)) {
3682 case IMAGE_FIRMWARE_iSCSI
:
3683 img_optype
= OPTYPE_ISCSI_ACTIVE
;
3685 case IMAGE_BOOT_CODE
:
3686 img_optype
= OPTYPE_REDBOOT
;
3688 case IMAGE_OPTION_ROM_ISCSI
:
3689 img_optype
= OPTYPE_BIOS
;
3691 case IMAGE_OPTION_ROM_PXE
:
3692 img_optype
= OPTYPE_PXE_BIOS
;
3694 case IMAGE_OPTION_ROM_FCoE
:
3695 img_optype
= OPTYPE_FCOE_BIOS
;
3697 case IMAGE_FIRMWARE_BACKUP_iSCSI
:
3698 img_optype
= OPTYPE_ISCSI_BACKUP
;
3701 img_optype
= OPTYPE_NCSI_FW
;
3707 if (img_optype
== OPTYPE_REDBOOT
) {
3708 redboot
= be_flash_redboot(adapter
, fw
->data
,
3709 img_offset
, img_size
,
3710 filehdr_size
+ img_hdrs_size
);
3716 p
+= filehdr_size
+ img_offset
+ img_hdrs_size
;
3717 if (p
+ img_size
> fw
->data
+ fw
->size
)
3720 status
= be_flash(adapter
, p
, flash_cmd
, img_optype
, img_size
);
3722 dev_err(&adapter
->pdev
->dev
,
3723 "Flashing section type %d failed.\n",
3724 fsec
->fsec_entry
[i
].type
);
3731 static int lancer_fw_download(struct be_adapter
*adapter
,
3732 const struct firmware
*fw
)
3734 #define LANCER_FW_DOWNLOAD_CHUNK (32 * 1024)
3735 #define LANCER_FW_DOWNLOAD_LOCATION "/prg"
3736 struct be_dma_mem flash_cmd
;
3737 const u8
*data_ptr
= NULL
;
3738 u8
*dest_image_ptr
= NULL
;
3739 size_t image_size
= 0;
3741 u32 data_written
= 0;
3747 if (!IS_ALIGNED(fw
->size
, sizeof(u32
))) {
3748 dev_err(&adapter
->pdev
->dev
,
3749 "FW Image not properly aligned. "
3750 "Length must be 4 byte aligned.\n");
3752 goto lancer_fw_exit
;
3755 flash_cmd
.size
= sizeof(struct lancer_cmd_req_write_object
)
3756 + LANCER_FW_DOWNLOAD_CHUNK
;
3757 flash_cmd
.va
= dma_alloc_coherent(&adapter
->pdev
->dev
, flash_cmd
.size
,
3758 &flash_cmd
.dma
, GFP_KERNEL
);
3759 if (!flash_cmd
.va
) {
3761 goto lancer_fw_exit
;
3764 dest_image_ptr
= flash_cmd
.va
+
3765 sizeof(struct lancer_cmd_req_write_object
);
3766 image_size
= fw
->size
;
3767 data_ptr
= fw
->data
;
3769 while (image_size
) {
3770 chunk_size
= min_t(u32
, image_size
, LANCER_FW_DOWNLOAD_CHUNK
);
3772 /* Copy the image chunk content. */
3773 memcpy(dest_image_ptr
, data_ptr
, chunk_size
);
3775 status
= lancer_cmd_write_object(adapter
, &flash_cmd
,
3777 LANCER_FW_DOWNLOAD_LOCATION
,
3778 &data_written
, &change_status
,
3783 offset
+= data_written
;
3784 data_ptr
+= data_written
;
3785 image_size
-= data_written
;
3789 /* Commit the FW written */
3790 status
= lancer_cmd_write_object(adapter
, &flash_cmd
,
3792 LANCER_FW_DOWNLOAD_LOCATION
,
3793 &data_written
, &change_status
,
3797 dma_free_coherent(&adapter
->pdev
->dev
, flash_cmd
.size
, flash_cmd
.va
,
3800 dev_err(&adapter
->pdev
->dev
,
3801 "Firmware load error. "
3802 "Status code: 0x%x Additional Status: 0x%x\n",
3803 status
, add_status
);
3804 goto lancer_fw_exit
;
3807 if (change_status
== LANCER_FW_RESET_NEEDED
) {
3808 status
= lancer_physdev_ctrl(adapter
,
3809 PHYSDEV_CONTROL_FW_RESET_MASK
);
3811 dev_err(&adapter
->pdev
->dev
,
3812 "Adapter busy for FW reset.\n"
3813 "New FW will not be active.\n");
3814 goto lancer_fw_exit
;
3816 } else if (change_status
!= LANCER_NO_RESET_NEEDED
) {
3817 dev_err(&adapter
->pdev
->dev
,
3818 "System reboot required for new FW"
3822 dev_info(&adapter
->pdev
->dev
, "Firmware flashed successfully\n");
3829 #define UFI_TYPE3R 10
3831 static int be_get_ufi_type(struct be_adapter
*adapter
,
3832 struct flash_file_hdr_g3
*fhdr
)
3835 goto be_get_ufi_exit
;
3837 if (skyhawk_chip(adapter
) && fhdr
->build
[0] == '4')
3839 else if (BE3_chip(adapter
) && fhdr
->build
[0] == '3') {
3840 if (fhdr
->asic_type_rev
== 0x10)
3844 } else if (BE2_chip(adapter
) && fhdr
->build
[0] == '2')
3848 dev_err(&adapter
->pdev
->dev
,
3849 "UFI and Interface are not compatible for flashing\n");
3853 static int be_fw_download(struct be_adapter
*adapter
, const struct firmware
* fw
)
3855 struct flash_file_hdr_g3
*fhdr3
;
3856 struct image_hdr
*img_hdr_ptr
= NULL
;
3857 struct be_dma_mem flash_cmd
;
3859 int status
= 0, i
= 0, num_imgs
= 0, ufi_type
= 0;
3861 flash_cmd
.size
= sizeof(struct be_cmd_write_flashrom
);
3862 flash_cmd
.va
= dma_alloc_coherent(&adapter
->pdev
->dev
, flash_cmd
.size
,
3863 &flash_cmd
.dma
, GFP_KERNEL
);
3864 if (!flash_cmd
.va
) {
3870 fhdr3
= (struct flash_file_hdr_g3
*)p
;
3872 ufi_type
= be_get_ufi_type(adapter
, fhdr3
);
3874 num_imgs
= le32_to_cpu(fhdr3
->num_imgs
);
3875 for (i
= 0; i
< num_imgs
; i
++) {
3876 img_hdr_ptr
= (struct image_hdr
*)(fw
->data
+
3877 (sizeof(struct flash_file_hdr_g3
) +
3878 i
* sizeof(struct image_hdr
)));
3879 if (le32_to_cpu(img_hdr_ptr
->imageid
) == 1) {
3882 status
= be_flash_skyhawk(adapter
, fw
,
3883 &flash_cmd
, num_imgs
);
3886 status
= be_flash_BEx(adapter
, fw
, &flash_cmd
,
3890 /* Do not flash this ufi on BE3-R cards */
3891 if (adapter
->asic_rev
< 0x10)
3892 status
= be_flash_BEx(adapter
, fw
,
3897 dev_err(&adapter
->pdev
->dev
,
3898 "Can't load BE3 UFI on BE3R\n");
3904 if (ufi_type
== UFI_TYPE2
)
3905 status
= be_flash_BEx(adapter
, fw
, &flash_cmd
, 0);
3906 else if (ufi_type
== -1)
3909 dma_free_coherent(&adapter
->pdev
->dev
, flash_cmd
.size
, flash_cmd
.va
,
3912 dev_err(&adapter
->pdev
->dev
, "Firmware load error\n");
3916 dev_info(&adapter
->pdev
->dev
, "Firmware flashed successfully\n");
3922 int be_load_fw(struct be_adapter
*adapter
, u8
*fw_file
)
3924 const struct firmware
*fw
;
3927 if (!netif_running(adapter
->netdev
)) {
3928 dev_err(&adapter
->pdev
->dev
,
3929 "Firmware load not allowed (interface is down)\n");
3933 status
= request_firmware(&fw
, fw_file
, &adapter
->pdev
->dev
);
3937 dev_info(&adapter
->pdev
->dev
, "Flashing firmware file %s\n", fw_file
);
3939 if (lancer_chip(adapter
))
3940 status
= lancer_fw_download(adapter
, fw
);
3942 status
= be_fw_download(adapter
, fw
);
3945 be_cmd_get_fw_ver(adapter
, adapter
->fw_ver
,
3946 adapter
->fw_on_flash
);
3949 release_firmware(fw
);
3953 static int be_ndo_bridge_setlink(struct net_device
*dev
,
3954 struct nlmsghdr
*nlh
)
3956 struct be_adapter
*adapter
= netdev_priv(dev
);
3957 struct nlattr
*attr
, *br_spec
;
3962 if (!sriov_enabled(adapter
))
3965 br_spec
= nlmsg_find_attr(nlh
, sizeof(struct ifinfomsg
), IFLA_AF_SPEC
);
3967 nla_for_each_nested(attr
, br_spec
, rem
) {
3968 if (nla_type(attr
) != IFLA_BRIDGE_MODE
)
3971 mode
= nla_get_u16(attr
);
3972 if (mode
!= BRIDGE_MODE_VEPA
&& mode
!= BRIDGE_MODE_VEB
)
3975 status
= be_cmd_set_hsw_config(adapter
, 0, 0,
3977 mode
== BRIDGE_MODE_VEPA
?
3978 PORT_FWD_TYPE_VEPA
:
3983 dev_info(&adapter
->pdev
->dev
, "enabled switch mode: %s\n",
3984 mode
== BRIDGE_MODE_VEPA
? "VEPA" : "VEB");
3989 dev_err(&adapter
->pdev
->dev
, "Failed to set switch mode %s\n",
3990 mode
== BRIDGE_MODE_VEPA
? "VEPA" : "VEB");
3995 static int be_ndo_bridge_getlink(struct sk_buff
*skb
, u32 pid
, u32 seq
,
3996 struct net_device
*dev
,
3999 struct be_adapter
*adapter
= netdev_priv(dev
);
4003 if (!sriov_enabled(adapter
))
4006 /* BE and Lancer chips support VEB mode only */
4007 if (BEx_chip(adapter
) || lancer_chip(adapter
)) {
4008 hsw_mode
= PORT_FWD_TYPE_VEB
;
4010 status
= be_cmd_get_hsw_config(adapter
, NULL
, 0,
4011 adapter
->if_handle
, &hsw_mode
);
4016 return ndo_dflt_bridge_getlink(skb
, pid
, seq
, dev
,
4017 hsw_mode
== PORT_FWD_TYPE_VEPA
?
4018 BRIDGE_MODE_VEPA
: BRIDGE_MODE_VEB
);
4021 static const struct net_device_ops be_netdev_ops
= {
4022 .ndo_open
= be_open
,
4023 .ndo_stop
= be_close
,
4024 .ndo_start_xmit
= be_xmit
,
4025 .ndo_set_rx_mode
= be_set_rx_mode
,
4026 .ndo_set_mac_address
= be_mac_addr_set
,
4027 .ndo_change_mtu
= be_change_mtu
,
4028 .ndo_get_stats64
= be_get_stats64
,
4029 .ndo_validate_addr
= eth_validate_addr
,
4030 .ndo_vlan_rx_add_vid
= be_vlan_add_vid
,
4031 .ndo_vlan_rx_kill_vid
= be_vlan_rem_vid
,
4032 .ndo_set_vf_mac
= be_set_vf_mac
,
4033 .ndo_set_vf_vlan
= be_set_vf_vlan
,
4034 .ndo_set_vf_tx_rate
= be_set_vf_tx_rate
,
4035 .ndo_get_vf_config
= be_get_vf_config
,
4036 #ifdef CONFIG_NET_POLL_CONTROLLER
4037 .ndo_poll_controller
= be_netpoll
,
4039 .ndo_bridge_setlink
= be_ndo_bridge_setlink
,
4040 .ndo_bridge_getlink
= be_ndo_bridge_getlink
,
4041 #ifdef CONFIG_NET_RX_BUSY_POLL
4042 .ndo_busy_poll
= be_busy_poll
4046 static void be_netdev_init(struct net_device
*netdev
)
4048 struct be_adapter
*adapter
= netdev_priv(netdev
);
4050 netdev
->hw_features
|= NETIF_F_SG
| NETIF_F_TSO
| NETIF_F_TSO6
|
4051 NETIF_F_IP_CSUM
| NETIF_F_IPV6_CSUM
| NETIF_F_RXCSUM
|
4052 NETIF_F_HW_VLAN_CTAG_TX
;
4053 if (be_multi_rxq(adapter
))
4054 netdev
->hw_features
|= NETIF_F_RXHASH
;
4056 netdev
->features
|= netdev
->hw_features
|
4057 NETIF_F_HW_VLAN_CTAG_RX
| NETIF_F_HW_VLAN_CTAG_FILTER
;
4059 netdev
->vlan_features
|= NETIF_F_SG
| NETIF_F_TSO
| NETIF_F_TSO6
|
4060 NETIF_F_IP_CSUM
| NETIF_F_IPV6_CSUM
;
4062 netdev
->priv_flags
|= IFF_UNICAST_FLT
;
4064 netdev
->flags
|= IFF_MULTICAST
;
4066 netif_set_gso_max_size(netdev
, 65535 - ETH_HLEN
);
4068 netdev
->netdev_ops
= &be_netdev_ops
;
4070 SET_ETHTOOL_OPS(netdev
, &be_ethtool_ops
);
4073 static void be_unmap_pci_bars(struct be_adapter
*adapter
)
4076 pci_iounmap(adapter
->pdev
, adapter
->csr
);
4078 pci_iounmap(adapter
->pdev
, adapter
->db
);
4081 static int db_bar(struct be_adapter
*adapter
)
4083 if (lancer_chip(adapter
) || !be_physfn(adapter
))
4089 static int be_roce_map_pci_bars(struct be_adapter
*adapter
)
4091 if (skyhawk_chip(adapter
)) {
4092 adapter
->roce_db
.size
= 4096;
4093 adapter
->roce_db
.io_addr
= pci_resource_start(adapter
->pdev
,
4095 adapter
->roce_db
.total_size
= pci_resource_len(adapter
->pdev
,
4101 static int be_map_pci_bars(struct be_adapter
*adapter
)
4105 if (BEx_chip(adapter
) && be_physfn(adapter
)) {
4106 adapter
->csr
= pci_iomap(adapter
->pdev
, 2, 0);
4107 if (adapter
->csr
== NULL
)
4111 addr
= pci_iomap(adapter
->pdev
, db_bar(adapter
), 0);
4116 be_roce_map_pci_bars(adapter
);
4120 be_unmap_pci_bars(adapter
);
4124 static void be_ctrl_cleanup(struct be_adapter
*adapter
)
4126 struct be_dma_mem
*mem
= &adapter
->mbox_mem_alloced
;
4128 be_unmap_pci_bars(adapter
);
4131 dma_free_coherent(&adapter
->pdev
->dev
, mem
->size
, mem
->va
,
4134 mem
= &adapter
->rx_filter
;
4136 dma_free_coherent(&adapter
->pdev
->dev
, mem
->size
, mem
->va
,
4140 static int be_ctrl_init(struct be_adapter
*adapter
)
4142 struct be_dma_mem
*mbox_mem_alloc
= &adapter
->mbox_mem_alloced
;
4143 struct be_dma_mem
*mbox_mem_align
= &adapter
->mbox_mem
;
4144 struct be_dma_mem
*rx_filter
= &adapter
->rx_filter
;
4148 pci_read_config_dword(adapter
->pdev
, SLI_INTF_REG_OFFSET
, &sli_intf
);
4149 adapter
->sli_family
= (sli_intf
& SLI_INTF_FAMILY_MASK
) >>
4150 SLI_INTF_FAMILY_SHIFT
;
4151 adapter
->virtfn
= (sli_intf
& SLI_INTF_FT_MASK
) ? 1 : 0;
4153 status
= be_map_pci_bars(adapter
);
4157 mbox_mem_alloc
->size
= sizeof(struct be_mcc_mailbox
) + 16;
4158 mbox_mem_alloc
->va
= dma_alloc_coherent(&adapter
->pdev
->dev
,
4159 mbox_mem_alloc
->size
,
4160 &mbox_mem_alloc
->dma
,
4162 if (!mbox_mem_alloc
->va
) {
4164 goto unmap_pci_bars
;
4166 mbox_mem_align
->size
= sizeof(struct be_mcc_mailbox
);
4167 mbox_mem_align
->va
= PTR_ALIGN(mbox_mem_alloc
->va
, 16);
4168 mbox_mem_align
->dma
= PTR_ALIGN(mbox_mem_alloc
->dma
, 16);
4169 memset(mbox_mem_align
->va
, 0, sizeof(struct be_mcc_mailbox
));
4171 rx_filter
->size
= sizeof(struct be_cmd_req_rx_filter
);
4172 rx_filter
->va
= dma_zalloc_coherent(&adapter
->pdev
->dev
,
4173 rx_filter
->size
, &rx_filter
->dma
,
4175 if (rx_filter
->va
== NULL
) {
4180 mutex_init(&adapter
->mbox_lock
);
4181 spin_lock_init(&adapter
->mcc_lock
);
4182 spin_lock_init(&adapter
->mcc_cq_lock
);
4184 init_completion(&adapter
->flash_compl
);
4185 pci_save_state(adapter
->pdev
);
4189 dma_free_coherent(&adapter
->pdev
->dev
, mbox_mem_alloc
->size
,
4190 mbox_mem_alloc
->va
, mbox_mem_alloc
->dma
);
4193 be_unmap_pci_bars(adapter
);
4199 static void be_stats_cleanup(struct be_adapter
*adapter
)
4201 struct be_dma_mem
*cmd
= &adapter
->stats_cmd
;
4204 dma_free_coherent(&adapter
->pdev
->dev
, cmd
->size
,
4208 static int be_stats_init(struct be_adapter
*adapter
)
4210 struct be_dma_mem
*cmd
= &adapter
->stats_cmd
;
4212 if (lancer_chip(adapter
))
4213 cmd
->size
= sizeof(struct lancer_cmd_req_pport_stats
);
4214 else if (BE2_chip(adapter
))
4215 cmd
->size
= sizeof(struct be_cmd_req_get_stats_v0
);
4216 else if (BE3_chip(adapter
))
4217 cmd
->size
= sizeof(struct be_cmd_req_get_stats_v1
);
4219 /* ALL non-BE ASICs */
4220 cmd
->size
= sizeof(struct be_cmd_req_get_stats_v2
);
4222 cmd
->va
= dma_zalloc_coherent(&adapter
->pdev
->dev
, cmd
->size
, &cmd
->dma
,
4224 if (cmd
->va
== NULL
)
4229 static void be_remove(struct pci_dev
*pdev
)
4231 struct be_adapter
*adapter
= pci_get_drvdata(pdev
);
4236 be_roce_dev_remove(adapter
);
4237 be_intr_set(adapter
, false);
4239 cancel_delayed_work_sync(&adapter
->func_recovery_work
);
4241 unregister_netdev(adapter
->netdev
);
4245 /* tell fw we're done with firing cmds */
4246 be_cmd_fw_clean(adapter
);
4248 be_stats_cleanup(adapter
);
4250 be_ctrl_cleanup(adapter
);
4252 pci_disable_pcie_error_reporting(pdev
);
4254 pci_release_regions(pdev
);
4255 pci_disable_device(pdev
);
4257 free_netdev(adapter
->netdev
);
4260 bool be_is_wol_supported(struct be_adapter
*adapter
)
4262 return ((adapter
->wol_cap
& BE_WOL_CAP
) &&
4263 !be_is_wol_excluded(adapter
)) ? true : false;
4266 u32
be_get_fw_log_level(struct be_adapter
*adapter
)
4268 struct be_dma_mem extfat_cmd
;
4269 struct be_fat_conf_params
*cfgs
;
4274 if (lancer_chip(adapter
))
4277 memset(&extfat_cmd
, 0, sizeof(struct be_dma_mem
));
4278 extfat_cmd
.size
= sizeof(struct be_cmd_resp_get_ext_fat_caps
);
4279 extfat_cmd
.va
= pci_alloc_consistent(adapter
->pdev
, extfat_cmd
.size
,
4282 if (!extfat_cmd
.va
) {
4283 dev_err(&adapter
->pdev
->dev
, "%s: Memory allocation failure\n",
4288 status
= be_cmd_get_ext_fat_capabilites(adapter
, &extfat_cmd
);
4290 cfgs
= (struct be_fat_conf_params
*)(extfat_cmd
.va
+
4291 sizeof(struct be_cmd_resp_hdr
));
4292 for (j
= 0; j
< le32_to_cpu(cfgs
->module
[0].num_modes
); j
++) {
4293 if (cfgs
->module
[0].trace_lvl
[j
].mode
== MODE_UART
)
4294 level
= cfgs
->module
[0].trace_lvl
[j
].dbg_lvl
;
4297 pci_free_consistent(adapter
->pdev
, extfat_cmd
.size
, extfat_cmd
.va
,
4303 static int be_get_initial_config(struct be_adapter
*adapter
)
4308 status
= be_cmd_get_cntl_attributes(adapter
);
4312 status
= be_cmd_get_acpi_wol_cap(adapter
);
4314 /* in case of a failure to get wol capabillities
4315 * check the exclusion list to determine WOL capability */
4316 if (!be_is_wol_excluded(adapter
))
4317 adapter
->wol_cap
|= BE_WOL_CAP
;
4320 if (be_is_wol_supported(adapter
))
4321 adapter
->wol
= true;
4323 /* Must be a power of 2 or else MODULO will BUG_ON */
4324 adapter
->be_get_temp_freq
= 64;
4326 level
= be_get_fw_log_level(adapter
);
4327 adapter
->msg_enable
= level
<= FW_LOG_LEVEL_DEFAULT
? NETIF_MSG_HW
: 0;
4329 adapter
->cfg_num_qs
= netif_get_num_default_rss_queues();
4333 static int lancer_recover_func(struct be_adapter
*adapter
)
4335 struct device
*dev
= &adapter
->pdev
->dev
;
4338 status
= lancer_test_and_set_rdy_state(adapter
);
4342 if (netif_running(adapter
->netdev
))
4343 be_close(adapter
->netdev
);
4347 be_clear_all_error(adapter
);
4349 status
= be_setup(adapter
);
4353 if (netif_running(adapter
->netdev
)) {
4354 status
= be_open(adapter
->netdev
);
4359 dev_err(dev
, "Error recovery successful\n");
4362 if (status
== -EAGAIN
)
4363 dev_err(dev
, "Waiting for resource provisioning\n");
4365 dev_err(dev
, "Error recovery failed\n");
4370 static void be_func_recovery_task(struct work_struct
*work
)
4372 struct be_adapter
*adapter
=
4373 container_of(work
, struct be_adapter
, func_recovery_work
.work
);
4376 be_detect_error(adapter
);
4378 if (adapter
->hw_error
&& lancer_chip(adapter
)) {
4381 netif_device_detach(adapter
->netdev
);
4384 status
= lancer_recover_func(adapter
);
4386 netif_device_attach(adapter
->netdev
);
4389 /* In Lancer, for all errors other than provisioning error (-EAGAIN),
4390 * no need to attempt further recovery.
4392 if (!status
|| status
== -EAGAIN
)
4393 schedule_delayed_work(&adapter
->func_recovery_work
,
4394 msecs_to_jiffies(1000));
4397 static void be_worker(struct work_struct
*work
)
4399 struct be_adapter
*adapter
=
4400 container_of(work
, struct be_adapter
, work
.work
);
4401 struct be_rx_obj
*rxo
;
4404 /* when interrupts are not yet enabled, just reap any pending
4405 * mcc completions */
4406 if (!netif_running(adapter
->netdev
)) {
4408 be_process_mcc(adapter
);
4413 if (!adapter
->stats_cmd_sent
) {
4414 if (lancer_chip(adapter
))
4415 lancer_cmd_get_pport_stats(adapter
,
4416 &adapter
->stats_cmd
);
4418 be_cmd_get_stats(adapter
, &adapter
->stats_cmd
);
4421 if (be_physfn(adapter
) &&
4422 MODULO(adapter
->work_counter
, adapter
->be_get_temp_freq
) == 0)
4423 be_cmd_get_die_temperature(adapter
);
4425 for_all_rx_queues(adapter
, rxo
, i
) {
4426 /* Replenish RX-queues starved due to memory
4427 * allocation failures.
4429 if (rxo
->rx_post_starved
)
4430 be_post_rx_frags(rxo
, GFP_KERNEL
);
4433 be_eqd_update(adapter
);
4436 adapter
->work_counter
++;
4437 schedule_delayed_work(&adapter
->work
, msecs_to_jiffies(1000));
4440 /* If any VFs are already enabled don't FLR the PF */
4441 static bool be_reset_required(struct be_adapter
*adapter
)
4443 return pci_num_vf(adapter
->pdev
) ? false : true;
4446 static char *mc_name(struct be_adapter
*adapter
)
4448 if (adapter
->function_mode
& FLEX10_MODE
)
4450 else if (adapter
->function_mode
& VNIC_MODE
)
4452 else if (adapter
->function_mode
& UMC_ENABLED
)
4458 static inline char *func_name(struct be_adapter
*adapter
)
4460 return be_physfn(adapter
) ? "PF" : "VF";
4463 static int be_probe(struct pci_dev
*pdev
, const struct pci_device_id
*pdev_id
)
4466 struct be_adapter
*adapter
;
4467 struct net_device
*netdev
;
4470 status
= pci_enable_device(pdev
);
4474 status
= pci_request_regions(pdev
, DRV_NAME
);
4477 pci_set_master(pdev
);
4479 netdev
= alloc_etherdev_mqs(sizeof(*adapter
), MAX_TX_QS
, MAX_RX_QS
);
4480 if (netdev
== NULL
) {
4484 adapter
= netdev_priv(netdev
);
4485 adapter
->pdev
= pdev
;
4486 pci_set_drvdata(pdev
, adapter
);
4487 adapter
->netdev
= netdev
;
4488 SET_NETDEV_DEV(netdev
, &pdev
->dev
);
4490 status
= dma_set_mask(&pdev
->dev
, DMA_BIT_MASK(64));
4492 status
= dma_set_coherent_mask(&pdev
->dev
, DMA_BIT_MASK(64));
4494 dev_err(&pdev
->dev
, "dma_set_coherent_mask failed\n");
4497 netdev
->features
|= NETIF_F_HIGHDMA
;
4499 status
= dma_set_mask(&pdev
->dev
, DMA_BIT_MASK(32));
4501 status
= dma_set_coherent_mask(&pdev
->dev
,
4504 dev_err(&pdev
->dev
, "Could not set PCI DMA Mask\n");
4509 if (be_physfn(adapter
)) {
4510 status
= pci_enable_pcie_error_reporting(pdev
);
4512 dev_info(&pdev
->dev
, "PCIe error reporting enabled\n");
4515 status
= be_ctrl_init(adapter
);
4519 /* sync up with fw's ready state */
4520 if (be_physfn(adapter
)) {
4521 status
= be_fw_wait_ready(adapter
);
4526 if (be_reset_required(adapter
)) {
4527 status
= be_cmd_reset_function(adapter
);
4531 /* Wait for interrupts to quiesce after an FLR */
4535 /* Allow interrupts for other ULPs running on NIC function */
4536 be_intr_set(adapter
, true);
4538 /* tell fw we're ready to fire cmds */
4539 status
= be_cmd_fw_init(adapter
);
4543 status
= be_stats_init(adapter
);
4547 status
= be_get_initial_config(adapter
);
4551 INIT_DELAYED_WORK(&adapter
->work
, be_worker
);
4552 INIT_DELAYED_WORK(&adapter
->func_recovery_work
, be_func_recovery_task
);
4553 adapter
->rx_fc
= adapter
->tx_fc
= true;
4555 status
= be_setup(adapter
);
4559 be_netdev_init(netdev
);
4560 status
= register_netdev(netdev
);
4564 be_roce_dev_add(adapter
);
4566 schedule_delayed_work(&adapter
->func_recovery_work
,
4567 msecs_to_jiffies(1000));
4569 be_cmd_query_port_name(adapter
, &port_name
);
4571 dev_info(&pdev
->dev
, "%s: %s %s port %c\n", nic_name(pdev
),
4572 func_name(adapter
), mc_name(adapter
), port_name
);
4579 be_stats_cleanup(adapter
);
4581 be_ctrl_cleanup(adapter
);
4583 free_netdev(netdev
);
4585 pci_release_regions(pdev
);
4587 pci_disable_device(pdev
);
4589 dev_err(&pdev
->dev
, "%s initialization failed\n", nic_name(pdev
));
4593 static int be_suspend(struct pci_dev
*pdev
, pm_message_t state
)
4595 struct be_adapter
*adapter
= pci_get_drvdata(pdev
);
4596 struct net_device
*netdev
= adapter
->netdev
;
4599 be_setup_wol(adapter
, true);
4601 cancel_delayed_work_sync(&adapter
->func_recovery_work
);
4603 netif_device_detach(netdev
);
4604 if (netif_running(netdev
)) {
4611 pci_save_state(pdev
);
4612 pci_disable_device(pdev
);
4613 pci_set_power_state(pdev
, pci_choose_state(pdev
, state
));
4617 static int be_resume(struct pci_dev
*pdev
)
4620 struct be_adapter
*adapter
= pci_get_drvdata(pdev
);
4621 struct net_device
*netdev
= adapter
->netdev
;
4623 netif_device_detach(netdev
);
4625 status
= pci_enable_device(pdev
);
4629 pci_set_power_state(pdev
, PCI_D0
);
4630 pci_restore_state(pdev
);
4632 status
= be_fw_wait_ready(adapter
);
4636 /* tell fw we're ready to fire cmds */
4637 status
= be_cmd_fw_init(adapter
);
4642 if (netif_running(netdev
)) {
4648 schedule_delayed_work(&adapter
->func_recovery_work
,
4649 msecs_to_jiffies(1000));
4650 netif_device_attach(netdev
);
4653 be_setup_wol(adapter
, false);
4659 * An FLR will stop BE from DMAing any data.
4661 static void be_shutdown(struct pci_dev
*pdev
)
4663 struct be_adapter
*adapter
= pci_get_drvdata(pdev
);
4668 cancel_delayed_work_sync(&adapter
->work
);
4669 cancel_delayed_work_sync(&adapter
->func_recovery_work
);
4671 netif_device_detach(adapter
->netdev
);
4673 be_cmd_reset_function(adapter
);
4675 pci_disable_device(pdev
);
4678 static pci_ers_result_t
be_eeh_err_detected(struct pci_dev
*pdev
,
4679 pci_channel_state_t state
)
4681 struct be_adapter
*adapter
= pci_get_drvdata(pdev
);
4682 struct net_device
*netdev
= adapter
->netdev
;
4684 dev_err(&adapter
->pdev
->dev
, "EEH error detected\n");
4686 if (!adapter
->eeh_error
) {
4687 adapter
->eeh_error
= true;
4689 cancel_delayed_work_sync(&adapter
->func_recovery_work
);
4692 netif_device_detach(netdev
);
4693 if (netif_running(netdev
))
4700 if (state
== pci_channel_io_perm_failure
)
4701 return PCI_ERS_RESULT_DISCONNECT
;
4703 pci_disable_device(pdev
);
4705 /* The error could cause the FW to trigger a flash debug dump.
4706 * Resetting the card while flash dump is in progress
4707 * can cause it not to recover; wait for it to finish.
4708 * Wait only for first function as it is needed only once per
4711 if (pdev
->devfn
== 0)
4714 return PCI_ERS_RESULT_NEED_RESET
;
4717 static pci_ers_result_t
be_eeh_reset(struct pci_dev
*pdev
)
4719 struct be_adapter
*adapter
= pci_get_drvdata(pdev
);
4722 dev_info(&adapter
->pdev
->dev
, "EEH reset\n");
4724 status
= pci_enable_device(pdev
);
4726 return PCI_ERS_RESULT_DISCONNECT
;
4728 pci_set_master(pdev
);
4729 pci_set_power_state(pdev
, PCI_D0
);
4730 pci_restore_state(pdev
);
4732 /* Check if card is ok and fw is ready */
4733 dev_info(&adapter
->pdev
->dev
,
4734 "Waiting for FW to be ready after EEH reset\n");
4735 status
= be_fw_wait_ready(adapter
);
4737 return PCI_ERS_RESULT_DISCONNECT
;
4739 pci_cleanup_aer_uncorrect_error_status(pdev
);
4740 be_clear_all_error(adapter
);
4741 return PCI_ERS_RESULT_RECOVERED
;
4744 static void be_eeh_resume(struct pci_dev
*pdev
)
4747 struct be_adapter
*adapter
= pci_get_drvdata(pdev
);
4748 struct net_device
*netdev
= adapter
->netdev
;
4750 dev_info(&adapter
->pdev
->dev
, "EEH resume\n");
4752 pci_save_state(pdev
);
4754 status
= be_cmd_reset_function(adapter
);
4758 /* tell fw we're ready to fire cmds */
4759 status
= be_cmd_fw_init(adapter
);
4763 status
= be_setup(adapter
);
4767 if (netif_running(netdev
)) {
4768 status
= be_open(netdev
);
4773 schedule_delayed_work(&adapter
->func_recovery_work
,
4774 msecs_to_jiffies(1000));
4775 netif_device_attach(netdev
);
4778 dev_err(&adapter
->pdev
->dev
, "EEH resume failed\n");
4781 static const struct pci_error_handlers be_eeh_handlers
= {
4782 .error_detected
= be_eeh_err_detected
,
4783 .slot_reset
= be_eeh_reset
,
4784 .resume
= be_eeh_resume
,
4787 static struct pci_driver be_driver
= {
4789 .id_table
= be_dev_ids
,
4791 .remove
= be_remove
,
4792 .suspend
= be_suspend
,
4793 .resume
= be_resume
,
4794 .shutdown
= be_shutdown
,
4795 .err_handler
= &be_eeh_handlers
4798 static int __init
be_init_module(void)
4800 if (rx_frag_size
!= 8192 && rx_frag_size
!= 4096 &&
4801 rx_frag_size
!= 2048) {
4802 printk(KERN_WARNING DRV_NAME
4803 " : Module param rx_frag_size must be 2048/4096/8192."
4805 rx_frag_size
= 2048;
4808 return pci_register_driver(&be_driver
);
4810 module_init(be_init_module
);
4812 static void __exit
be_exit_module(void)
4814 pci_unregister_driver(&be_driver
);
4816 module_exit(be_exit_module
);