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>
25 MODULE_VERSION(DRV_VER
);
26 MODULE_DEVICE_TABLE(pci
, be_dev_ids
);
27 MODULE_DESCRIPTION(DRV_DESC
" " DRV_VER
);
28 MODULE_AUTHOR("Emulex Corporation");
29 MODULE_LICENSE("GPL");
31 static unsigned int num_vfs
;
32 module_param(num_vfs
, uint
, S_IRUGO
);
33 MODULE_PARM_DESC(num_vfs
, "Number of PCI VFs to initialize");
35 static ushort rx_frag_size
= 2048;
36 module_param(rx_frag_size
, ushort
, S_IRUGO
);
37 MODULE_PARM_DESC(rx_frag_size
, "Size of a fragment that holds rcvd data.");
39 static DEFINE_PCI_DEVICE_TABLE(be_dev_ids
) = {
40 { PCI_DEVICE(BE_VENDOR_ID
, BE_DEVICE_ID1
) },
41 { PCI_DEVICE(BE_VENDOR_ID
, BE_DEVICE_ID2
) },
42 { PCI_DEVICE(BE_VENDOR_ID
, OC_DEVICE_ID1
) },
43 { PCI_DEVICE(BE_VENDOR_ID
, OC_DEVICE_ID2
) },
44 { PCI_DEVICE(EMULEX_VENDOR_ID
, OC_DEVICE_ID3
)},
45 { PCI_DEVICE(EMULEX_VENDOR_ID
, OC_DEVICE_ID4
)},
46 { PCI_DEVICE(EMULEX_VENDOR_ID
, OC_DEVICE_ID5
)},
47 { PCI_DEVICE(EMULEX_VENDOR_ID
, OC_DEVICE_ID6
)},
50 MODULE_DEVICE_TABLE(pci
, be_dev_ids
);
51 /* UE Status Low CSR */
52 static const char * const ue_status_low_desc
[] = {
86 /* UE Status High CSR */
87 static const char * const ue_status_hi_desc
[] = {
122 /* Is BE in a multi-channel mode */
123 static inline bool be_is_mc(struct be_adapter
*adapter
) {
124 return (adapter
->function_mode
& FLEX10_MODE
||
125 adapter
->function_mode
& VNIC_MODE
||
126 adapter
->function_mode
& UMC_ENABLED
);
129 static void be_queue_free(struct be_adapter
*adapter
, struct be_queue_info
*q
)
131 struct be_dma_mem
*mem
= &q
->dma_mem
;
133 dma_free_coherent(&adapter
->pdev
->dev
, mem
->size
, mem
->va
,
139 static int be_queue_alloc(struct be_adapter
*adapter
, struct be_queue_info
*q
,
140 u16 len
, u16 entry_size
)
142 struct be_dma_mem
*mem
= &q
->dma_mem
;
144 memset(q
, 0, sizeof(*q
));
146 q
->entry_size
= entry_size
;
147 mem
->size
= len
* entry_size
;
148 mem
->va
= dma_alloc_coherent(&adapter
->pdev
->dev
, mem
->size
, &mem
->dma
,
149 GFP_KERNEL
| __GFP_ZERO
);
155 static void be_reg_intr_set(struct be_adapter
*adapter
, bool enable
)
159 pci_read_config_dword(adapter
->pdev
, PCICFG_MEMBAR_CTRL_INT_CTRL_OFFSET
,
161 enabled
= reg
& MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK
;
163 if (!enabled
&& enable
)
164 reg
|= MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK
;
165 else if (enabled
&& !enable
)
166 reg
&= ~MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK
;
170 pci_write_config_dword(adapter
->pdev
,
171 PCICFG_MEMBAR_CTRL_INT_CTRL_OFFSET
, reg
);
174 static void be_intr_set(struct be_adapter
*adapter
, bool enable
)
178 /* On lancer interrupts can't be controlled via this register */
179 if (lancer_chip(adapter
))
182 if (adapter
->eeh_error
)
185 status
= be_cmd_intr_set(adapter
, enable
);
187 be_reg_intr_set(adapter
, enable
);
190 static void be_rxq_notify(struct be_adapter
*adapter
, u16 qid
, u16 posted
)
193 val
|= qid
& DB_RQ_RING_ID_MASK
;
194 val
|= posted
<< DB_RQ_NUM_POSTED_SHIFT
;
197 iowrite32(val
, adapter
->db
+ DB_RQ_OFFSET
);
200 static void be_txq_notify(struct be_adapter
*adapter
, struct be_tx_obj
*txo
,
204 val
|= txo
->q
.id
& DB_TXULP_RING_ID_MASK
;
205 val
|= (posted
& DB_TXULP_NUM_POSTED_MASK
) << DB_TXULP_NUM_POSTED_SHIFT
;
208 iowrite32(val
, adapter
->db
+ txo
->db_offset
);
211 static void be_eq_notify(struct be_adapter
*adapter
, u16 qid
,
212 bool arm
, bool clear_int
, u16 num_popped
)
215 val
|= qid
& DB_EQ_RING_ID_MASK
;
216 val
|= ((qid
& DB_EQ_RING_ID_EXT_MASK
) <<
217 DB_EQ_RING_ID_EXT_MASK_SHIFT
);
219 if (adapter
->eeh_error
)
223 val
|= 1 << DB_EQ_REARM_SHIFT
;
225 val
|= 1 << DB_EQ_CLR_SHIFT
;
226 val
|= 1 << DB_EQ_EVNT_SHIFT
;
227 val
|= num_popped
<< DB_EQ_NUM_POPPED_SHIFT
;
228 iowrite32(val
, adapter
->db
+ DB_EQ_OFFSET
);
231 void be_cq_notify(struct be_adapter
*adapter
, u16 qid
, bool arm
, u16 num_popped
)
234 val
|= qid
& DB_CQ_RING_ID_MASK
;
235 val
|= ((qid
& DB_CQ_RING_ID_EXT_MASK
) <<
236 DB_CQ_RING_ID_EXT_MASK_SHIFT
);
238 if (adapter
->eeh_error
)
242 val
|= 1 << DB_CQ_REARM_SHIFT
;
243 val
|= num_popped
<< DB_CQ_NUM_POPPED_SHIFT
;
244 iowrite32(val
, adapter
->db
+ DB_CQ_OFFSET
);
247 static int be_mac_addr_set(struct net_device
*netdev
, void *p
)
249 struct be_adapter
*adapter
= netdev_priv(netdev
);
250 struct sockaddr
*addr
= p
;
252 u8 current_mac
[ETH_ALEN
];
253 u32 pmac_id
= adapter
->pmac_id
[0];
254 bool active_mac
= true;
256 if (!is_valid_ether_addr(addr
->sa_data
))
257 return -EADDRNOTAVAIL
;
259 /* For BE VF, MAC address is already activated by PF.
260 * Hence only operation left is updating netdev->devaddr.
261 * Update it if user is passing the same MAC which was used
262 * during configuring VF MAC from PF(Hypervisor).
264 if (!lancer_chip(adapter
) && !be_physfn(adapter
)) {
265 status
= be_cmd_mac_addr_query(adapter
, current_mac
,
266 false, adapter
->if_handle
, 0);
267 if (!status
&& !memcmp(current_mac
, addr
->sa_data
, ETH_ALEN
))
273 if (!memcmp(addr
->sa_data
, netdev
->dev_addr
, ETH_ALEN
))
276 /* For Lancer check if any MAC is active.
277 * If active, get its mac id.
279 if (lancer_chip(adapter
) && !be_physfn(adapter
))
280 be_cmd_get_mac_from_list(adapter
, current_mac
, &active_mac
,
283 status
= be_cmd_pmac_add(adapter
, (u8
*)addr
->sa_data
,
285 &adapter
->pmac_id
[0], 0);
291 be_cmd_pmac_del(adapter
, adapter
->if_handle
,
294 memcpy(netdev
->dev_addr
, addr
->sa_data
, netdev
->addr_len
);
297 dev_err(&adapter
->pdev
->dev
, "MAC %pM set Failed\n", addr
->sa_data
);
301 /* BE2 supports only v0 cmd */
302 static void *hw_stats_from_cmd(struct be_adapter
*adapter
)
304 if (BE2_chip(adapter
)) {
305 struct be_cmd_resp_get_stats_v0
*cmd
= adapter
->stats_cmd
.va
;
307 return &cmd
->hw_stats
;
309 struct be_cmd_resp_get_stats_v1
*cmd
= adapter
->stats_cmd
.va
;
311 return &cmd
->hw_stats
;
315 /* BE2 supports only v0 cmd */
316 static void *be_erx_stats_from_cmd(struct be_adapter
*adapter
)
318 if (BE2_chip(adapter
)) {
319 struct be_hw_stats_v0
*hw_stats
= hw_stats_from_cmd(adapter
);
321 return &hw_stats
->erx
;
323 struct be_hw_stats_v1
*hw_stats
= hw_stats_from_cmd(adapter
);
325 return &hw_stats
->erx
;
329 static void populate_be_v0_stats(struct be_adapter
*adapter
)
331 struct be_hw_stats_v0
*hw_stats
= hw_stats_from_cmd(adapter
);
332 struct be_pmem_stats
*pmem_sts
= &hw_stats
->pmem
;
333 struct be_rxf_stats_v0
*rxf_stats
= &hw_stats
->rxf
;
334 struct be_port_rxf_stats_v0
*port_stats
=
335 &rxf_stats
->port
[adapter
->port_num
];
336 struct be_drv_stats
*drvs
= &adapter
->drv_stats
;
338 be_dws_le_to_cpu(hw_stats
, sizeof(*hw_stats
));
339 drvs
->rx_pause_frames
= port_stats
->rx_pause_frames
;
340 drvs
->rx_crc_errors
= port_stats
->rx_crc_errors
;
341 drvs
->rx_control_frames
= port_stats
->rx_control_frames
;
342 drvs
->rx_in_range_errors
= port_stats
->rx_in_range_errors
;
343 drvs
->rx_frame_too_long
= port_stats
->rx_frame_too_long
;
344 drvs
->rx_dropped_runt
= port_stats
->rx_dropped_runt
;
345 drvs
->rx_ip_checksum_errs
= port_stats
->rx_ip_checksum_errs
;
346 drvs
->rx_tcp_checksum_errs
= port_stats
->rx_tcp_checksum_errs
;
347 drvs
->rx_udp_checksum_errs
= port_stats
->rx_udp_checksum_errs
;
348 drvs
->rxpp_fifo_overflow_drop
= port_stats
->rx_fifo_overflow
;
349 drvs
->rx_dropped_tcp_length
= port_stats
->rx_dropped_tcp_length
;
350 drvs
->rx_dropped_too_small
= port_stats
->rx_dropped_too_small
;
351 drvs
->rx_dropped_too_short
= port_stats
->rx_dropped_too_short
;
352 drvs
->rx_out_range_errors
= port_stats
->rx_out_range_errors
;
353 drvs
->rx_input_fifo_overflow_drop
= port_stats
->rx_input_fifo_overflow
;
354 drvs
->rx_dropped_header_too_small
=
355 port_stats
->rx_dropped_header_too_small
;
356 drvs
->rx_address_filtered
=
357 port_stats
->rx_address_filtered
+
358 port_stats
->rx_vlan_filtered
;
359 drvs
->rx_alignment_symbol_errors
=
360 port_stats
->rx_alignment_symbol_errors
;
362 drvs
->tx_pauseframes
= port_stats
->tx_pauseframes
;
363 drvs
->tx_controlframes
= port_stats
->tx_controlframes
;
365 if (adapter
->port_num
)
366 drvs
->jabber_events
= rxf_stats
->port1_jabber_events
;
368 drvs
->jabber_events
= rxf_stats
->port0_jabber_events
;
369 drvs
->rx_drops_no_pbuf
= rxf_stats
->rx_drops_no_pbuf
;
370 drvs
->rx_drops_no_erx_descr
= rxf_stats
->rx_drops_no_erx_descr
;
371 drvs
->forwarded_packets
= rxf_stats
->forwarded_packets
;
372 drvs
->rx_drops_mtu
= rxf_stats
->rx_drops_mtu
;
373 drvs
->rx_drops_no_tpre_descr
= rxf_stats
->rx_drops_no_tpre_descr
;
374 drvs
->rx_drops_too_many_frags
= rxf_stats
->rx_drops_too_many_frags
;
375 adapter
->drv_stats
.eth_red_drops
= pmem_sts
->eth_red_drops
;
378 static void populate_be_v1_stats(struct be_adapter
*adapter
)
380 struct be_hw_stats_v1
*hw_stats
= hw_stats_from_cmd(adapter
);
381 struct be_pmem_stats
*pmem_sts
= &hw_stats
->pmem
;
382 struct be_rxf_stats_v1
*rxf_stats
= &hw_stats
->rxf
;
383 struct be_port_rxf_stats_v1
*port_stats
=
384 &rxf_stats
->port
[adapter
->port_num
];
385 struct be_drv_stats
*drvs
= &adapter
->drv_stats
;
387 be_dws_le_to_cpu(hw_stats
, sizeof(*hw_stats
));
388 drvs
->pmem_fifo_overflow_drop
= port_stats
->pmem_fifo_overflow_drop
;
389 drvs
->rx_priority_pause_frames
= port_stats
->rx_priority_pause_frames
;
390 drvs
->rx_pause_frames
= port_stats
->rx_pause_frames
;
391 drvs
->rx_crc_errors
= port_stats
->rx_crc_errors
;
392 drvs
->rx_control_frames
= port_stats
->rx_control_frames
;
393 drvs
->rx_in_range_errors
= port_stats
->rx_in_range_errors
;
394 drvs
->rx_frame_too_long
= port_stats
->rx_frame_too_long
;
395 drvs
->rx_dropped_runt
= port_stats
->rx_dropped_runt
;
396 drvs
->rx_ip_checksum_errs
= port_stats
->rx_ip_checksum_errs
;
397 drvs
->rx_tcp_checksum_errs
= port_stats
->rx_tcp_checksum_errs
;
398 drvs
->rx_udp_checksum_errs
= port_stats
->rx_udp_checksum_errs
;
399 drvs
->rx_dropped_tcp_length
= port_stats
->rx_dropped_tcp_length
;
400 drvs
->rx_dropped_too_small
= port_stats
->rx_dropped_too_small
;
401 drvs
->rx_dropped_too_short
= port_stats
->rx_dropped_too_short
;
402 drvs
->rx_out_range_errors
= port_stats
->rx_out_range_errors
;
403 drvs
->rx_dropped_header_too_small
=
404 port_stats
->rx_dropped_header_too_small
;
405 drvs
->rx_input_fifo_overflow_drop
=
406 port_stats
->rx_input_fifo_overflow_drop
;
407 drvs
->rx_address_filtered
= port_stats
->rx_address_filtered
;
408 drvs
->rx_alignment_symbol_errors
=
409 port_stats
->rx_alignment_symbol_errors
;
410 drvs
->rxpp_fifo_overflow_drop
= port_stats
->rxpp_fifo_overflow_drop
;
411 drvs
->tx_pauseframes
= port_stats
->tx_pauseframes
;
412 drvs
->tx_controlframes
= port_stats
->tx_controlframes
;
413 drvs
->tx_priority_pauseframes
= port_stats
->tx_priority_pauseframes
;
414 drvs
->jabber_events
= port_stats
->jabber_events
;
415 drvs
->rx_drops_no_pbuf
= rxf_stats
->rx_drops_no_pbuf
;
416 drvs
->rx_drops_no_erx_descr
= rxf_stats
->rx_drops_no_erx_descr
;
417 drvs
->forwarded_packets
= rxf_stats
->forwarded_packets
;
418 drvs
->rx_drops_mtu
= rxf_stats
->rx_drops_mtu
;
419 drvs
->rx_drops_no_tpre_descr
= rxf_stats
->rx_drops_no_tpre_descr
;
420 drvs
->rx_drops_too_many_frags
= rxf_stats
->rx_drops_too_many_frags
;
421 adapter
->drv_stats
.eth_red_drops
= pmem_sts
->eth_red_drops
;
424 static void populate_lancer_stats(struct be_adapter
*adapter
)
427 struct be_drv_stats
*drvs
= &adapter
->drv_stats
;
428 struct lancer_pport_stats
*pport_stats
=
429 pport_stats_from_cmd(adapter
);
431 be_dws_le_to_cpu(pport_stats
, sizeof(*pport_stats
));
432 drvs
->rx_pause_frames
= pport_stats
->rx_pause_frames_lo
;
433 drvs
->rx_crc_errors
= pport_stats
->rx_crc_errors_lo
;
434 drvs
->rx_control_frames
= pport_stats
->rx_control_frames_lo
;
435 drvs
->rx_in_range_errors
= pport_stats
->rx_in_range_errors
;
436 drvs
->rx_frame_too_long
= pport_stats
->rx_frames_too_long_lo
;
437 drvs
->rx_dropped_runt
= pport_stats
->rx_dropped_runt
;
438 drvs
->rx_ip_checksum_errs
= pport_stats
->rx_ip_checksum_errors
;
439 drvs
->rx_tcp_checksum_errs
= pport_stats
->rx_tcp_checksum_errors
;
440 drvs
->rx_udp_checksum_errs
= pport_stats
->rx_udp_checksum_errors
;
441 drvs
->rx_dropped_tcp_length
=
442 pport_stats
->rx_dropped_invalid_tcp_length
;
443 drvs
->rx_dropped_too_small
= pport_stats
->rx_dropped_too_small
;
444 drvs
->rx_dropped_too_short
= pport_stats
->rx_dropped_too_short
;
445 drvs
->rx_out_range_errors
= pport_stats
->rx_out_of_range_errors
;
446 drvs
->rx_dropped_header_too_small
=
447 pport_stats
->rx_dropped_header_too_small
;
448 drvs
->rx_input_fifo_overflow_drop
= pport_stats
->rx_fifo_overflow
;
449 drvs
->rx_address_filtered
=
450 pport_stats
->rx_address_filtered
+
451 pport_stats
->rx_vlan_filtered
;
452 drvs
->rx_alignment_symbol_errors
= pport_stats
->rx_symbol_errors_lo
;
453 drvs
->rxpp_fifo_overflow_drop
= pport_stats
->rx_fifo_overflow
;
454 drvs
->tx_pauseframes
= pport_stats
->tx_pause_frames_lo
;
455 drvs
->tx_controlframes
= pport_stats
->tx_control_frames_lo
;
456 drvs
->jabber_events
= pport_stats
->rx_jabbers
;
457 drvs
->forwarded_packets
= pport_stats
->num_forwards_lo
;
458 drvs
->rx_drops_mtu
= pport_stats
->rx_drops_mtu_lo
;
459 drvs
->rx_drops_too_many_frags
=
460 pport_stats
->rx_drops_too_many_frags_lo
;
463 static void accumulate_16bit_val(u32
*acc
, u16 val
)
465 #define lo(x) (x & 0xFFFF)
466 #define hi(x) (x & 0xFFFF0000)
467 bool wrapped
= val
< lo(*acc
);
468 u32 newacc
= hi(*acc
) + val
;
472 ACCESS_ONCE(*acc
) = newacc
;
475 void populate_erx_stats(struct be_adapter
*adapter
,
476 struct be_rx_obj
*rxo
,
479 if (!BEx_chip(adapter
))
480 rx_stats(rxo
)->rx_drops_no_frags
= erx_stat
;
482 /* below erx HW counter can actually wrap around after
483 * 65535. Driver accumulates a 32-bit value
485 accumulate_16bit_val(&rx_stats(rxo
)->rx_drops_no_frags
,
489 void be_parse_stats(struct be_adapter
*adapter
)
491 struct be_erx_stats_v1
*erx
= be_erx_stats_from_cmd(adapter
);
492 struct be_rx_obj
*rxo
;
496 if (lancer_chip(adapter
)) {
497 populate_lancer_stats(adapter
);
499 if (BE2_chip(adapter
))
500 populate_be_v0_stats(adapter
);
502 /* for BE3 and Skyhawk */
503 populate_be_v1_stats(adapter
);
505 /* as erx_v1 is longer than v0, ok to use v1 for v0 access */
506 for_all_rx_queues(adapter
, rxo
, i
) {
507 erx_stat
= erx
->rx_drops_no_fragments
[rxo
->q
.id
];
508 populate_erx_stats(adapter
, rxo
, erx_stat
);
513 static struct rtnl_link_stats64
*be_get_stats64(struct net_device
*netdev
,
514 struct rtnl_link_stats64
*stats
)
516 struct be_adapter
*adapter
= netdev_priv(netdev
);
517 struct be_drv_stats
*drvs
= &adapter
->drv_stats
;
518 struct be_rx_obj
*rxo
;
519 struct be_tx_obj
*txo
;
524 for_all_rx_queues(adapter
, rxo
, i
) {
525 const struct be_rx_stats
*rx_stats
= rx_stats(rxo
);
527 start
= u64_stats_fetch_begin_bh(&rx_stats
->sync
);
528 pkts
= rx_stats(rxo
)->rx_pkts
;
529 bytes
= rx_stats(rxo
)->rx_bytes
;
530 } while (u64_stats_fetch_retry_bh(&rx_stats
->sync
, start
));
531 stats
->rx_packets
+= pkts
;
532 stats
->rx_bytes
+= bytes
;
533 stats
->multicast
+= rx_stats(rxo
)->rx_mcast_pkts
;
534 stats
->rx_dropped
+= rx_stats(rxo
)->rx_drops_no_skbs
+
535 rx_stats(rxo
)->rx_drops_no_frags
;
538 for_all_tx_queues(adapter
, txo
, i
) {
539 const struct be_tx_stats
*tx_stats
= tx_stats(txo
);
541 start
= u64_stats_fetch_begin_bh(&tx_stats
->sync
);
542 pkts
= tx_stats(txo
)->tx_pkts
;
543 bytes
= tx_stats(txo
)->tx_bytes
;
544 } while (u64_stats_fetch_retry_bh(&tx_stats
->sync
, start
));
545 stats
->tx_packets
+= pkts
;
546 stats
->tx_bytes
+= bytes
;
549 /* bad pkts received */
550 stats
->rx_errors
= drvs
->rx_crc_errors
+
551 drvs
->rx_alignment_symbol_errors
+
552 drvs
->rx_in_range_errors
+
553 drvs
->rx_out_range_errors
+
554 drvs
->rx_frame_too_long
+
555 drvs
->rx_dropped_too_small
+
556 drvs
->rx_dropped_too_short
+
557 drvs
->rx_dropped_header_too_small
+
558 drvs
->rx_dropped_tcp_length
+
559 drvs
->rx_dropped_runt
;
561 /* detailed rx errors */
562 stats
->rx_length_errors
= drvs
->rx_in_range_errors
+
563 drvs
->rx_out_range_errors
+
564 drvs
->rx_frame_too_long
;
566 stats
->rx_crc_errors
= drvs
->rx_crc_errors
;
568 /* frame alignment errors */
569 stats
->rx_frame_errors
= drvs
->rx_alignment_symbol_errors
;
571 /* receiver fifo overrun */
572 /* drops_no_pbuf is no per i/f, it's per BE card */
573 stats
->rx_fifo_errors
= drvs
->rxpp_fifo_overflow_drop
+
574 drvs
->rx_input_fifo_overflow_drop
+
575 drvs
->rx_drops_no_pbuf
;
579 void be_link_status_update(struct be_adapter
*adapter
, u8 link_status
)
581 struct net_device
*netdev
= adapter
->netdev
;
583 if (!(adapter
->flags
& BE_FLAGS_LINK_STATUS_INIT
)) {
584 netif_carrier_off(netdev
);
585 adapter
->flags
|= BE_FLAGS_LINK_STATUS_INIT
;
588 if ((link_status
& LINK_STATUS_MASK
) == LINK_UP
)
589 netif_carrier_on(netdev
);
591 netif_carrier_off(netdev
);
594 static void be_tx_stats_update(struct be_tx_obj
*txo
,
595 u32 wrb_cnt
, u32 copied
, u32 gso_segs
, bool stopped
)
597 struct be_tx_stats
*stats
= tx_stats(txo
);
599 u64_stats_update_begin(&stats
->sync
);
601 stats
->tx_wrbs
+= wrb_cnt
;
602 stats
->tx_bytes
+= copied
;
603 stats
->tx_pkts
+= (gso_segs
? gso_segs
: 1);
606 u64_stats_update_end(&stats
->sync
);
609 /* Determine number of WRB entries needed to xmit data in an skb */
610 static u32
wrb_cnt_for_skb(struct be_adapter
*adapter
, struct sk_buff
*skb
,
613 int cnt
= (skb
->len
> skb
->data_len
);
615 cnt
+= skb_shinfo(skb
)->nr_frags
;
617 /* to account for hdr wrb */
619 if (lancer_chip(adapter
) || !(cnt
& 1)) {
622 /* add a dummy to make it an even num */
626 BUG_ON(cnt
> BE_MAX_TX_FRAG_COUNT
);
630 static inline void wrb_fill(struct be_eth_wrb
*wrb
, u64 addr
, int len
)
632 wrb
->frag_pa_hi
= upper_32_bits(addr
);
633 wrb
->frag_pa_lo
= addr
& 0xFFFFFFFF;
634 wrb
->frag_len
= len
& ETH_WRB_FRAG_LEN_MASK
;
638 static inline u16
be_get_tx_vlan_tag(struct be_adapter
*adapter
,
644 vlan_tag
= vlan_tx_tag_get(skb
);
645 vlan_prio
= (vlan_tag
& VLAN_PRIO_MASK
) >> VLAN_PRIO_SHIFT
;
646 /* If vlan priority provided by OS is NOT in available bmap */
647 if (!(adapter
->vlan_prio_bmap
& (1 << vlan_prio
)))
648 vlan_tag
= (vlan_tag
& ~VLAN_PRIO_MASK
) |
649 adapter
->recommended_prio
;
654 static void wrb_fill_hdr(struct be_adapter
*adapter
, struct be_eth_hdr_wrb
*hdr
,
655 struct sk_buff
*skb
, u32 wrb_cnt
, u32 len
, bool skip_hw_vlan
)
659 memset(hdr
, 0, sizeof(*hdr
));
661 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, crc
, hdr
, 1);
663 if (skb_is_gso(skb
)) {
664 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, lso
, hdr
, 1);
665 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, lso_mss
,
666 hdr
, skb_shinfo(skb
)->gso_size
);
667 if (skb_is_gso_v6(skb
) && !lancer_chip(adapter
))
668 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, lso6
, hdr
, 1);
669 } else if (skb
->ip_summed
== CHECKSUM_PARTIAL
) {
671 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, tcpcs
, hdr
, 1);
672 else if (is_udp_pkt(skb
))
673 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, udpcs
, hdr
, 1);
676 if (vlan_tx_tag_present(skb
)) {
677 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, vlan
, hdr
, 1);
678 vlan_tag
= be_get_tx_vlan_tag(adapter
, skb
);
679 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, vlan_tag
, hdr
, vlan_tag
);
682 /* To skip HW VLAN tagging: evt = 1, compl = 0 */
683 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, complete
, hdr
, !skip_hw_vlan
);
684 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, event
, hdr
, 1);
685 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, num_wrb
, hdr
, wrb_cnt
);
686 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, len
, hdr
, len
);
689 static void unmap_tx_frag(struct device
*dev
, struct be_eth_wrb
*wrb
,
694 be_dws_le_to_cpu(wrb
, sizeof(*wrb
));
696 dma
= (u64
)wrb
->frag_pa_hi
<< 32 | (u64
)wrb
->frag_pa_lo
;
699 dma_unmap_single(dev
, dma
, wrb
->frag_len
,
702 dma_unmap_page(dev
, dma
, wrb
->frag_len
, DMA_TO_DEVICE
);
706 static int make_tx_wrbs(struct be_adapter
*adapter
, struct be_queue_info
*txq
,
707 struct sk_buff
*skb
, u32 wrb_cnt
, bool dummy_wrb
,
712 struct device
*dev
= &adapter
->pdev
->dev
;
713 struct sk_buff
*first_skb
= skb
;
714 struct be_eth_wrb
*wrb
;
715 struct be_eth_hdr_wrb
*hdr
;
716 bool map_single
= false;
719 hdr
= queue_head_node(txq
);
721 map_head
= txq
->head
;
723 if (skb
->len
> skb
->data_len
) {
724 int len
= skb_headlen(skb
);
725 busaddr
= dma_map_single(dev
, skb
->data
, len
, DMA_TO_DEVICE
);
726 if (dma_mapping_error(dev
, busaddr
))
729 wrb
= queue_head_node(txq
);
730 wrb_fill(wrb
, busaddr
, len
);
731 be_dws_cpu_to_le(wrb
, sizeof(*wrb
));
736 for (i
= 0; i
< skb_shinfo(skb
)->nr_frags
; i
++) {
737 const struct skb_frag_struct
*frag
=
738 &skb_shinfo(skb
)->frags
[i
];
739 busaddr
= skb_frag_dma_map(dev
, frag
, 0,
740 skb_frag_size(frag
), DMA_TO_DEVICE
);
741 if (dma_mapping_error(dev
, busaddr
))
743 wrb
= queue_head_node(txq
);
744 wrb_fill(wrb
, busaddr
, skb_frag_size(frag
));
745 be_dws_cpu_to_le(wrb
, sizeof(*wrb
));
747 copied
+= skb_frag_size(frag
);
751 wrb
= queue_head_node(txq
);
753 be_dws_cpu_to_le(wrb
, sizeof(*wrb
));
757 wrb_fill_hdr(adapter
, hdr
, first_skb
, wrb_cnt
, copied
, skip_hw_vlan
);
758 be_dws_cpu_to_le(hdr
, sizeof(*hdr
));
762 txq
->head
= map_head
;
764 wrb
= queue_head_node(txq
);
765 unmap_tx_frag(dev
, wrb
, map_single
);
767 copied
-= wrb
->frag_len
;
773 static struct sk_buff
*be_insert_vlan_in_pkt(struct be_adapter
*adapter
,
779 skb
= skb_share_check(skb
, GFP_ATOMIC
);
783 if (vlan_tx_tag_present(skb
))
784 vlan_tag
= be_get_tx_vlan_tag(adapter
, skb
);
786 if (qnq_async_evt_rcvd(adapter
) && adapter
->pvid
) {
788 vlan_tag
= adapter
->pvid
;
789 /* f/w workaround to set skip_hw_vlan = 1, informs the F/W to
790 * skip VLAN insertion
793 *skip_hw_vlan
= true;
797 skb
= __vlan_put_tag(skb
, htons(ETH_P_8021Q
), vlan_tag
);
803 /* Insert the outer VLAN, if any */
804 if (adapter
->qnq_vid
) {
805 vlan_tag
= adapter
->qnq_vid
;
806 skb
= __vlan_put_tag(skb
, htons(ETH_P_8021Q
), vlan_tag
);
810 *skip_hw_vlan
= true;
816 static bool be_ipv6_exthdr_check(struct sk_buff
*skb
)
818 struct ethhdr
*eh
= (struct ethhdr
*)skb
->data
;
819 u16 offset
= ETH_HLEN
;
821 if (eh
->h_proto
== htons(ETH_P_IPV6
)) {
822 struct ipv6hdr
*ip6h
= (struct ipv6hdr
*)(skb
->data
+ offset
);
824 offset
+= sizeof(struct ipv6hdr
);
825 if (ip6h
->nexthdr
!= NEXTHDR_TCP
&&
826 ip6h
->nexthdr
!= NEXTHDR_UDP
) {
827 struct ipv6_opt_hdr
*ehdr
=
828 (struct ipv6_opt_hdr
*) (skb
->data
+ offset
);
830 /* offending pkt: 2nd byte following IPv6 hdr is 0xff */
831 if (ehdr
->hdrlen
== 0xff)
838 static int be_vlan_tag_tx_chk(struct be_adapter
*adapter
, struct sk_buff
*skb
)
840 return vlan_tx_tag_present(skb
) || adapter
->pvid
|| adapter
->qnq_vid
;
843 static int be_ipv6_tx_stall_chk(struct be_adapter
*adapter
,
846 return BE3_chip(adapter
) && be_ipv6_exthdr_check(skb
);
849 static struct sk_buff
*be_xmit_workarounds(struct be_adapter
*adapter
,
853 struct vlan_ethhdr
*veh
= (struct vlan_ethhdr
*)skb
->data
;
854 unsigned int eth_hdr_len
;
857 /* Lancer ASIC has a bug wherein packets that are 32 bytes or less
858 * may cause a transmit stall on that port. So the work-around is to
859 * pad such packets to a 36-byte length.
861 if (unlikely(lancer_chip(adapter
) && skb
->len
<= 32)) {
862 if (skb_padto(skb
, 36))
867 /* For padded packets, BE HW modifies tot_len field in IP header
868 * incorrecly when VLAN tag is inserted by HW.
869 * For padded packets, Lancer computes incorrect checksum.
871 eth_hdr_len
= ntohs(skb
->protocol
) == ETH_P_8021Q
?
872 VLAN_ETH_HLEN
: ETH_HLEN
;
873 if (skb
->len
<= 60 &&
874 (lancer_chip(adapter
) || vlan_tx_tag_present(skb
)) &&
876 ip
= (struct iphdr
*)ip_hdr(skb
);
877 pskb_trim(skb
, eth_hdr_len
+ ntohs(ip
->tot_len
));
880 /* If vlan tag is already inlined in the packet, skip HW VLAN
881 * tagging in UMC mode
883 if ((adapter
->function_mode
& UMC_ENABLED
) &&
884 veh
->h_vlan_proto
== htons(ETH_P_8021Q
))
885 *skip_hw_vlan
= true;
887 /* HW has a bug wherein it will calculate CSUM for VLAN
888 * pkts even though it is disabled.
889 * Manually insert VLAN in pkt.
891 if (skb
->ip_summed
!= CHECKSUM_PARTIAL
&&
892 vlan_tx_tag_present(skb
)) {
893 skb
= be_insert_vlan_in_pkt(adapter
, skb
, skip_hw_vlan
);
898 /* HW may lockup when VLAN HW tagging is requested on
899 * certain ipv6 packets. Drop such pkts if the HW workaround to
900 * skip HW tagging is not enabled by FW.
902 if (unlikely(be_ipv6_tx_stall_chk(adapter
, skb
) &&
903 (adapter
->pvid
|| adapter
->qnq_vid
) &&
904 !qnq_async_evt_rcvd(adapter
)))
907 /* Manual VLAN tag insertion to prevent:
908 * ASIC lockup when the ASIC inserts VLAN tag into
909 * certain ipv6 packets. Insert VLAN tags in driver,
910 * and set event, completion, vlan bits accordingly
913 if (be_ipv6_tx_stall_chk(adapter
, skb
) &&
914 be_vlan_tag_tx_chk(adapter
, skb
)) {
915 skb
= be_insert_vlan_in_pkt(adapter
, skb
, skip_hw_vlan
);
922 dev_kfree_skb_any(skb
);
926 static netdev_tx_t
be_xmit(struct sk_buff
*skb
, struct net_device
*netdev
)
928 struct be_adapter
*adapter
= netdev_priv(netdev
);
929 struct be_tx_obj
*txo
= &adapter
->tx_obj
[skb_get_queue_mapping(skb
)];
930 struct be_queue_info
*txq
= &txo
->q
;
931 bool dummy_wrb
, stopped
= false;
932 u32 wrb_cnt
= 0, copied
= 0;
933 bool skip_hw_vlan
= false;
934 u32 start
= txq
->head
;
936 skb
= be_xmit_workarounds(adapter
, skb
, &skip_hw_vlan
);
940 wrb_cnt
= wrb_cnt_for_skb(adapter
, skb
, &dummy_wrb
);
942 copied
= make_tx_wrbs(adapter
, txq
, skb
, wrb_cnt
, dummy_wrb
,
945 int gso_segs
= skb_shinfo(skb
)->gso_segs
;
947 /* record the sent skb in the sent_skb table */
948 BUG_ON(txo
->sent_skb_list
[start
]);
949 txo
->sent_skb_list
[start
] = skb
;
951 /* Ensure txq has space for the next skb; Else stop the queue
952 * *BEFORE* ringing the tx doorbell, so that we serialze the
953 * tx compls of the current transmit which'll wake up the queue
955 atomic_add(wrb_cnt
, &txq
->used
);
956 if ((BE_MAX_TX_FRAG_COUNT
+ atomic_read(&txq
->used
)) >=
958 netif_stop_subqueue(netdev
, skb_get_queue_mapping(skb
));
962 be_txq_notify(adapter
, txo
, wrb_cnt
);
964 be_tx_stats_update(txo
, wrb_cnt
, copied
, gso_segs
, stopped
);
967 dev_kfree_skb_any(skb
);
972 static int be_change_mtu(struct net_device
*netdev
, int new_mtu
)
974 struct be_adapter
*adapter
= netdev_priv(netdev
);
975 if (new_mtu
< BE_MIN_MTU
||
976 new_mtu
> (BE_MAX_JUMBO_FRAME_SIZE
-
977 (ETH_HLEN
+ ETH_FCS_LEN
))) {
978 dev_info(&adapter
->pdev
->dev
,
979 "MTU must be between %d and %d bytes\n",
981 (BE_MAX_JUMBO_FRAME_SIZE
- (ETH_HLEN
+ ETH_FCS_LEN
)));
984 dev_info(&adapter
->pdev
->dev
, "MTU changed from %d to %d bytes\n",
985 netdev
->mtu
, new_mtu
);
986 netdev
->mtu
= new_mtu
;
991 * A max of 64 (BE_NUM_VLANS_SUPPORTED) vlans can be configured in BE.
992 * If the user configures more, place BE in vlan promiscuous mode.
994 static int be_vid_config(struct be_adapter
*adapter
)
996 u16 vids
[BE_NUM_VLANS_SUPPORTED
];
1000 /* No need to further configure vids if in promiscuous mode */
1001 if (adapter
->promiscuous
)
1004 if (adapter
->vlans_added
> adapter
->max_vlans
)
1005 goto set_vlan_promisc
;
1007 /* Construct VLAN Table to give to HW */
1008 for (i
= 0; i
< VLAN_N_VID
; i
++)
1009 if (adapter
->vlan_tag
[i
])
1010 vids
[num
++] = cpu_to_le16(i
);
1012 status
= be_cmd_vlan_config(adapter
, adapter
->if_handle
,
1015 /* Set to VLAN promisc mode as setting VLAN filter failed */
1017 dev_info(&adapter
->pdev
->dev
, "Exhausted VLAN HW filters.\n");
1018 dev_info(&adapter
->pdev
->dev
, "Disabling HW VLAN filtering.\n");
1019 goto set_vlan_promisc
;
1025 status
= be_cmd_vlan_config(adapter
, adapter
->if_handle
,
1030 static int be_vlan_add_vid(struct net_device
*netdev
, __be16 proto
, u16 vid
)
1032 struct be_adapter
*adapter
= netdev_priv(netdev
);
1035 if (!lancer_chip(adapter
) && !be_physfn(adapter
)) {
1040 /* Packets with VID 0 are always received by Lancer by default */
1041 if (lancer_chip(adapter
) && vid
== 0)
1044 adapter
->vlan_tag
[vid
] = 1;
1045 if (adapter
->vlans_added
<= (adapter
->max_vlans
+ 1))
1046 status
= be_vid_config(adapter
);
1049 adapter
->vlans_added
++;
1051 adapter
->vlan_tag
[vid
] = 0;
1056 static int be_vlan_rem_vid(struct net_device
*netdev
, __be16 proto
, u16 vid
)
1058 struct be_adapter
*adapter
= netdev_priv(netdev
);
1061 if (!lancer_chip(adapter
) && !be_physfn(adapter
)) {
1066 /* Packets with VID 0 are always received by Lancer by default */
1067 if (lancer_chip(adapter
) && vid
== 0)
1070 adapter
->vlan_tag
[vid
] = 0;
1071 if (adapter
->vlans_added
<= adapter
->max_vlans
)
1072 status
= be_vid_config(adapter
);
1075 adapter
->vlans_added
--;
1077 adapter
->vlan_tag
[vid
] = 1;
1082 static void be_set_rx_mode(struct net_device
*netdev
)
1084 struct be_adapter
*adapter
= netdev_priv(netdev
);
1087 if (netdev
->flags
& IFF_PROMISC
) {
1088 be_cmd_rx_filter(adapter
, IFF_PROMISC
, ON
);
1089 adapter
->promiscuous
= true;
1093 /* BE was previously in promiscuous mode; disable it */
1094 if (adapter
->promiscuous
) {
1095 adapter
->promiscuous
= false;
1096 be_cmd_rx_filter(adapter
, IFF_PROMISC
, OFF
);
1098 if (adapter
->vlans_added
)
1099 be_vid_config(adapter
);
1102 /* Enable multicast promisc if num configured exceeds what we support */
1103 if (netdev
->flags
& IFF_ALLMULTI
||
1104 netdev_mc_count(netdev
) > adapter
->max_mcast_mac
) {
1105 be_cmd_rx_filter(adapter
, IFF_ALLMULTI
, ON
);
1109 if (netdev_uc_count(netdev
) != adapter
->uc_macs
) {
1110 struct netdev_hw_addr
*ha
;
1111 int i
= 1; /* First slot is claimed by the Primary MAC */
1113 for (; adapter
->uc_macs
> 0; adapter
->uc_macs
--, i
++) {
1114 be_cmd_pmac_del(adapter
, adapter
->if_handle
,
1115 adapter
->pmac_id
[i
], 0);
1118 if (netdev_uc_count(netdev
) > adapter
->max_pmac_cnt
) {
1119 be_cmd_rx_filter(adapter
, IFF_PROMISC
, ON
);
1120 adapter
->promiscuous
= true;
1124 netdev_for_each_uc_addr(ha
, adapter
->netdev
) {
1125 adapter
->uc_macs
++; /* First slot is for Primary MAC */
1126 be_cmd_pmac_add(adapter
, (u8
*)ha
->addr
,
1128 &adapter
->pmac_id
[adapter
->uc_macs
], 0);
1132 status
= be_cmd_rx_filter(adapter
, IFF_MULTICAST
, ON
);
1134 /* Set to MCAST promisc mode if setting MULTICAST address fails */
1136 dev_info(&adapter
->pdev
->dev
, "Exhausted multicast HW filters.\n");
1137 dev_info(&adapter
->pdev
->dev
, "Disabling HW multicast filtering.\n");
1138 be_cmd_rx_filter(adapter
, IFF_ALLMULTI
, ON
);
1144 static int be_set_vf_mac(struct net_device
*netdev
, int vf
, u8
*mac
)
1146 struct be_adapter
*adapter
= netdev_priv(netdev
);
1147 struct be_vf_cfg
*vf_cfg
= &adapter
->vf_cfg
[vf
];
1149 bool active_mac
= false;
1151 u8 old_mac
[ETH_ALEN
];
1153 if (!sriov_enabled(adapter
))
1156 if (!is_valid_ether_addr(mac
) || vf
>= adapter
->num_vfs
)
1159 if (lancer_chip(adapter
)) {
1160 status
= be_cmd_get_mac_from_list(adapter
, old_mac
, &active_mac
,
1162 if (!status
&& active_mac
)
1163 be_cmd_pmac_del(adapter
, vf_cfg
->if_handle
,
1166 status
= be_cmd_set_mac_list(adapter
, mac
, 1, vf
+ 1);
1168 status
= be_cmd_pmac_del(adapter
, vf_cfg
->if_handle
,
1169 vf_cfg
->pmac_id
, vf
+ 1);
1171 status
= be_cmd_pmac_add(adapter
, mac
, vf_cfg
->if_handle
,
1172 &vf_cfg
->pmac_id
, vf
+ 1);
1176 dev_err(&adapter
->pdev
->dev
, "MAC %pM set on VF %d Failed\n",
1179 memcpy(vf_cfg
->mac_addr
, mac
, ETH_ALEN
);
1184 static int be_get_vf_config(struct net_device
*netdev
, int vf
,
1185 struct ifla_vf_info
*vi
)
1187 struct be_adapter
*adapter
= netdev_priv(netdev
);
1188 struct be_vf_cfg
*vf_cfg
= &adapter
->vf_cfg
[vf
];
1190 if (!sriov_enabled(adapter
))
1193 if (vf
>= adapter
->num_vfs
)
1197 vi
->tx_rate
= vf_cfg
->tx_rate
;
1198 vi
->vlan
= vf_cfg
->vlan_tag
;
1200 memcpy(&vi
->mac
, vf_cfg
->mac_addr
, ETH_ALEN
);
1205 static int be_set_vf_vlan(struct net_device
*netdev
,
1206 int vf
, u16 vlan
, u8 qos
)
1208 struct be_adapter
*adapter
= netdev_priv(netdev
);
1211 if (!sriov_enabled(adapter
))
1214 if (vf
>= adapter
->num_vfs
|| vlan
> 4095)
1218 if (adapter
->vf_cfg
[vf
].vlan_tag
!= vlan
) {
1219 /* If this is new value, program it. Else skip. */
1220 adapter
->vf_cfg
[vf
].vlan_tag
= vlan
;
1222 status
= be_cmd_set_hsw_config(adapter
, vlan
,
1223 vf
+ 1, adapter
->vf_cfg
[vf
].if_handle
);
1226 /* Reset Transparent Vlan Tagging. */
1227 adapter
->vf_cfg
[vf
].vlan_tag
= 0;
1228 vlan
= adapter
->vf_cfg
[vf
].def_vid
;
1229 status
= be_cmd_set_hsw_config(adapter
, vlan
, vf
+ 1,
1230 adapter
->vf_cfg
[vf
].if_handle
);
1235 dev_info(&adapter
->pdev
->dev
,
1236 "VLAN %d config on VF %d failed\n", vlan
, vf
);
1240 static int be_set_vf_tx_rate(struct net_device
*netdev
,
1243 struct be_adapter
*adapter
= netdev_priv(netdev
);
1246 if (!sriov_enabled(adapter
))
1249 if (vf
>= adapter
->num_vfs
)
1252 if (rate
< 100 || rate
> 10000) {
1253 dev_err(&adapter
->pdev
->dev
,
1254 "tx rate must be between 100 and 10000 Mbps\n");
1258 if (lancer_chip(adapter
))
1259 status
= be_cmd_set_profile_config(adapter
, rate
/ 10, vf
+ 1);
1261 status
= be_cmd_set_qos(adapter
, rate
/ 10, vf
+ 1);
1264 dev_err(&adapter
->pdev
->dev
,
1265 "tx rate %d on VF %d failed\n", rate
, vf
);
1267 adapter
->vf_cfg
[vf
].tx_rate
= rate
;
1271 static void be_eqd_update(struct be_adapter
*adapter
, struct be_eq_obj
*eqo
)
1273 struct be_rx_stats
*stats
= rx_stats(&adapter
->rx_obj
[eqo
->idx
]);
1274 ulong now
= jiffies
;
1275 ulong delta
= now
- stats
->rx_jiffies
;
1277 unsigned int start
, eqd
;
1279 if (!eqo
->enable_aic
) {
1284 if (eqo
->idx
>= adapter
->num_rx_qs
)
1287 stats
= rx_stats(&adapter
->rx_obj
[eqo
->idx
]);
1289 /* Wrapped around */
1290 if (time_before(now
, stats
->rx_jiffies
)) {
1291 stats
->rx_jiffies
= now
;
1295 /* Update once a second */
1300 start
= u64_stats_fetch_begin_bh(&stats
->sync
);
1301 pkts
= stats
->rx_pkts
;
1302 } while (u64_stats_fetch_retry_bh(&stats
->sync
, start
));
1304 stats
->rx_pps
= (unsigned long)(pkts
- stats
->rx_pkts_prev
) / (delta
/ HZ
);
1305 stats
->rx_pkts_prev
= pkts
;
1306 stats
->rx_jiffies
= now
;
1307 eqd
= (stats
->rx_pps
/ 110000) << 3;
1308 eqd
= min(eqd
, eqo
->max_eqd
);
1309 eqd
= max(eqd
, eqo
->min_eqd
);
1314 if (eqd
!= eqo
->cur_eqd
) {
1315 be_cmd_modify_eqd(adapter
, eqo
->q
.id
, eqd
);
1320 static void be_rx_stats_update(struct be_rx_obj
*rxo
,
1321 struct be_rx_compl_info
*rxcp
)
1323 struct be_rx_stats
*stats
= rx_stats(rxo
);
1325 u64_stats_update_begin(&stats
->sync
);
1327 stats
->rx_bytes
+= rxcp
->pkt_size
;
1329 if (rxcp
->pkt_type
== BE_MULTICAST_PACKET
)
1330 stats
->rx_mcast_pkts
++;
1332 stats
->rx_compl_err
++;
1333 u64_stats_update_end(&stats
->sync
);
1336 static inline bool csum_passed(struct be_rx_compl_info
*rxcp
)
1338 /* L4 checksum is not reliable for non TCP/UDP packets.
1339 * Also ignore ipcksm for ipv6 pkts */
1340 return (rxcp
->tcpf
|| rxcp
->udpf
) && rxcp
->l4_csum
&&
1341 (rxcp
->ip_csum
|| rxcp
->ipv6
);
1344 static struct be_rx_page_info
*get_rx_page_info(struct be_rx_obj
*rxo
,
1347 struct be_adapter
*adapter
= rxo
->adapter
;
1348 struct be_rx_page_info
*rx_page_info
;
1349 struct be_queue_info
*rxq
= &rxo
->q
;
1351 rx_page_info
= &rxo
->page_info_tbl
[frag_idx
];
1352 BUG_ON(!rx_page_info
->page
);
1354 if (rx_page_info
->last_page_user
) {
1355 dma_unmap_page(&adapter
->pdev
->dev
,
1356 dma_unmap_addr(rx_page_info
, bus
),
1357 adapter
->big_page_size
, DMA_FROM_DEVICE
);
1358 rx_page_info
->last_page_user
= false;
1361 atomic_dec(&rxq
->used
);
1362 return rx_page_info
;
1365 /* Throwaway the data in the Rx completion */
1366 static void be_rx_compl_discard(struct be_rx_obj
*rxo
,
1367 struct be_rx_compl_info
*rxcp
)
1369 struct be_queue_info
*rxq
= &rxo
->q
;
1370 struct be_rx_page_info
*page_info
;
1371 u16 i
, num_rcvd
= rxcp
->num_rcvd
;
1373 for (i
= 0; i
< num_rcvd
; i
++) {
1374 page_info
= get_rx_page_info(rxo
, rxcp
->rxq_idx
);
1375 put_page(page_info
->page
);
1376 memset(page_info
, 0, sizeof(*page_info
));
1377 index_inc(&rxcp
->rxq_idx
, rxq
->len
);
1382 * skb_fill_rx_data forms a complete skb for an ether frame
1383 * indicated by rxcp.
1385 static void skb_fill_rx_data(struct be_rx_obj
*rxo
, struct sk_buff
*skb
,
1386 struct be_rx_compl_info
*rxcp
)
1388 struct be_queue_info
*rxq
= &rxo
->q
;
1389 struct be_rx_page_info
*page_info
;
1391 u16 hdr_len
, curr_frag_len
, remaining
;
1394 page_info
= get_rx_page_info(rxo
, rxcp
->rxq_idx
);
1395 start
= page_address(page_info
->page
) + page_info
->page_offset
;
1398 /* Copy data in the first descriptor of this completion */
1399 curr_frag_len
= min(rxcp
->pkt_size
, rx_frag_size
);
1401 skb
->len
= curr_frag_len
;
1402 if (curr_frag_len
<= BE_HDR_LEN
) { /* tiny packet */
1403 memcpy(skb
->data
, start
, curr_frag_len
);
1404 /* Complete packet has now been moved to data */
1405 put_page(page_info
->page
);
1407 skb
->tail
+= curr_frag_len
;
1410 memcpy(skb
->data
, start
, hdr_len
);
1411 skb_shinfo(skb
)->nr_frags
= 1;
1412 skb_frag_set_page(skb
, 0, page_info
->page
);
1413 skb_shinfo(skb
)->frags
[0].page_offset
=
1414 page_info
->page_offset
+ hdr_len
;
1415 skb_frag_size_set(&skb_shinfo(skb
)->frags
[0], curr_frag_len
- hdr_len
);
1416 skb
->data_len
= curr_frag_len
- hdr_len
;
1417 skb
->truesize
+= rx_frag_size
;
1418 skb
->tail
+= hdr_len
;
1420 page_info
->page
= NULL
;
1422 if (rxcp
->pkt_size
<= rx_frag_size
) {
1423 BUG_ON(rxcp
->num_rcvd
!= 1);
1427 /* More frags present for this completion */
1428 index_inc(&rxcp
->rxq_idx
, rxq
->len
);
1429 remaining
= rxcp
->pkt_size
- curr_frag_len
;
1430 for (i
= 1, j
= 0; i
< rxcp
->num_rcvd
; i
++) {
1431 page_info
= get_rx_page_info(rxo
, rxcp
->rxq_idx
);
1432 curr_frag_len
= min(remaining
, rx_frag_size
);
1434 /* Coalesce all frags from the same physical page in one slot */
1435 if (page_info
->page_offset
== 0) {
1438 skb_frag_set_page(skb
, j
, page_info
->page
);
1439 skb_shinfo(skb
)->frags
[j
].page_offset
=
1440 page_info
->page_offset
;
1441 skb_frag_size_set(&skb_shinfo(skb
)->frags
[j
], 0);
1442 skb_shinfo(skb
)->nr_frags
++;
1444 put_page(page_info
->page
);
1447 skb_frag_size_add(&skb_shinfo(skb
)->frags
[j
], curr_frag_len
);
1448 skb
->len
+= curr_frag_len
;
1449 skb
->data_len
+= curr_frag_len
;
1450 skb
->truesize
+= rx_frag_size
;
1451 remaining
-= curr_frag_len
;
1452 index_inc(&rxcp
->rxq_idx
, rxq
->len
);
1453 page_info
->page
= NULL
;
1455 BUG_ON(j
> MAX_SKB_FRAGS
);
1458 /* Process the RX completion indicated by rxcp when GRO is disabled */
1459 static void be_rx_compl_process(struct be_rx_obj
*rxo
,
1460 struct be_rx_compl_info
*rxcp
)
1462 struct be_adapter
*adapter
= rxo
->adapter
;
1463 struct net_device
*netdev
= adapter
->netdev
;
1464 struct sk_buff
*skb
;
1466 skb
= netdev_alloc_skb_ip_align(netdev
, BE_RX_SKB_ALLOC_SIZE
);
1467 if (unlikely(!skb
)) {
1468 rx_stats(rxo
)->rx_drops_no_skbs
++;
1469 be_rx_compl_discard(rxo
, rxcp
);
1473 skb_fill_rx_data(rxo
, skb
, rxcp
);
1475 if (likely((netdev
->features
& NETIF_F_RXCSUM
) && csum_passed(rxcp
)))
1476 skb
->ip_summed
= CHECKSUM_UNNECESSARY
;
1478 skb_checksum_none_assert(skb
);
1480 skb
->protocol
= eth_type_trans(skb
, netdev
);
1481 skb_record_rx_queue(skb
, rxo
- &adapter
->rx_obj
[0]);
1482 if (netdev
->features
& NETIF_F_RXHASH
)
1483 skb
->rxhash
= rxcp
->rss_hash
;
1487 __vlan_hwaccel_put_tag(skb
, htons(ETH_P_8021Q
), rxcp
->vlan_tag
);
1489 netif_receive_skb(skb
);
1492 /* Process the RX completion indicated by rxcp when GRO is enabled */
1493 void be_rx_compl_process_gro(struct be_rx_obj
*rxo
, struct napi_struct
*napi
,
1494 struct be_rx_compl_info
*rxcp
)
1496 struct be_adapter
*adapter
= rxo
->adapter
;
1497 struct be_rx_page_info
*page_info
;
1498 struct sk_buff
*skb
= NULL
;
1499 struct be_queue_info
*rxq
= &rxo
->q
;
1500 u16 remaining
, curr_frag_len
;
1503 skb
= napi_get_frags(napi
);
1505 be_rx_compl_discard(rxo
, rxcp
);
1509 remaining
= rxcp
->pkt_size
;
1510 for (i
= 0, j
= -1; i
< rxcp
->num_rcvd
; i
++) {
1511 page_info
= get_rx_page_info(rxo
, rxcp
->rxq_idx
);
1513 curr_frag_len
= min(remaining
, rx_frag_size
);
1515 /* Coalesce all frags from the same physical page in one slot */
1516 if (i
== 0 || page_info
->page_offset
== 0) {
1517 /* First frag or Fresh page */
1519 skb_frag_set_page(skb
, j
, page_info
->page
);
1520 skb_shinfo(skb
)->frags
[j
].page_offset
=
1521 page_info
->page_offset
;
1522 skb_frag_size_set(&skb_shinfo(skb
)->frags
[j
], 0);
1524 put_page(page_info
->page
);
1526 skb_frag_size_add(&skb_shinfo(skb
)->frags
[j
], curr_frag_len
);
1527 skb
->truesize
+= rx_frag_size
;
1528 remaining
-= curr_frag_len
;
1529 index_inc(&rxcp
->rxq_idx
, rxq
->len
);
1530 memset(page_info
, 0, sizeof(*page_info
));
1532 BUG_ON(j
> MAX_SKB_FRAGS
);
1534 skb_shinfo(skb
)->nr_frags
= j
+ 1;
1535 skb
->len
= rxcp
->pkt_size
;
1536 skb
->data_len
= rxcp
->pkt_size
;
1537 skb
->ip_summed
= CHECKSUM_UNNECESSARY
;
1538 skb_record_rx_queue(skb
, rxo
- &adapter
->rx_obj
[0]);
1539 if (adapter
->netdev
->features
& NETIF_F_RXHASH
)
1540 skb
->rxhash
= rxcp
->rss_hash
;
1543 __vlan_hwaccel_put_tag(skb
, htons(ETH_P_8021Q
), rxcp
->vlan_tag
);
1545 napi_gro_frags(napi
);
1548 static void be_parse_rx_compl_v1(struct be_eth_rx_compl
*compl,
1549 struct be_rx_compl_info
*rxcp
)
1552 AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, pktsize
, compl);
1553 rxcp
->vlanf
= AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, vtp
, compl);
1554 rxcp
->err
= AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, err
, compl);
1555 rxcp
->tcpf
= AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, tcpf
, compl);
1556 rxcp
->udpf
= AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, udpf
, compl);
1558 AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, ipcksm
, compl);
1560 AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, l4_cksm
, compl);
1562 AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, ip_version
, compl);
1564 AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, fragndx
, compl);
1566 AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, numfrags
, compl);
1568 AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, cast_enc
, compl);
1570 AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, rsshash
, compl);
1572 rxcp
->vtm
= AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, vtm
,
1574 rxcp
->vlan_tag
= AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, vlan_tag
,
1577 rxcp
->port
= AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, port
, compl);
1580 static void be_parse_rx_compl_v0(struct be_eth_rx_compl
*compl,
1581 struct be_rx_compl_info
*rxcp
)
1584 AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, pktsize
, compl);
1585 rxcp
->vlanf
= AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, vtp
, compl);
1586 rxcp
->err
= AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, err
, compl);
1587 rxcp
->tcpf
= AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, tcpf
, compl);
1588 rxcp
->udpf
= AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, udpf
, compl);
1590 AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, ipcksm
, compl);
1592 AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, l4_cksm
, compl);
1594 AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, ip_version
, compl);
1596 AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, fragndx
, compl);
1598 AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, numfrags
, compl);
1600 AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, cast_enc
, compl);
1602 AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, rsshash
, compl);
1604 rxcp
->vtm
= AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, vtm
,
1606 rxcp
->vlan_tag
= AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, vlan_tag
,
1609 rxcp
->port
= AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, port
, compl);
1610 rxcp
->ip_frag
= AMAP_GET_BITS(struct amap_eth_rx_compl_v0
,
1614 static struct be_rx_compl_info
*be_rx_compl_get(struct be_rx_obj
*rxo
)
1616 struct be_eth_rx_compl
*compl = queue_tail_node(&rxo
->cq
);
1617 struct be_rx_compl_info
*rxcp
= &rxo
->rxcp
;
1618 struct be_adapter
*adapter
= rxo
->adapter
;
1620 /* For checking the valid bit it is Ok to use either definition as the
1621 * valid bit is at the same position in both v0 and v1 Rx compl */
1622 if (compl->dw
[offsetof(struct amap_eth_rx_compl_v1
, valid
) / 32] == 0)
1626 be_dws_le_to_cpu(compl, sizeof(*compl));
1628 if (adapter
->be3_native
)
1629 be_parse_rx_compl_v1(compl, rxcp
);
1631 be_parse_rx_compl_v0(compl, rxcp
);
1637 /* vlanf could be wrongly set in some cards.
1638 * ignore if vtm is not set */
1639 if ((adapter
->function_mode
& FLEX10_MODE
) && !rxcp
->vtm
)
1642 if (!lancer_chip(adapter
))
1643 rxcp
->vlan_tag
= swab16(rxcp
->vlan_tag
);
1645 if (adapter
->pvid
== (rxcp
->vlan_tag
& VLAN_VID_MASK
) &&
1646 !adapter
->vlan_tag
[rxcp
->vlan_tag
])
1650 /* As the compl has been parsed, reset it; we wont touch it again */
1651 compl->dw
[offsetof(struct amap_eth_rx_compl_v1
, valid
) / 32] = 0;
1653 queue_tail_inc(&rxo
->cq
);
1657 static inline struct page
*be_alloc_pages(u32 size
, gfp_t gfp
)
1659 u32 order
= get_order(size
);
1663 return alloc_pages(gfp
, order
);
1667 * Allocate a page, split it to fragments of size rx_frag_size and post as
1668 * receive buffers to BE
1670 static void be_post_rx_frags(struct be_rx_obj
*rxo
, gfp_t gfp
)
1672 struct be_adapter
*adapter
= rxo
->adapter
;
1673 struct be_rx_page_info
*page_info
= NULL
, *prev_page_info
= NULL
;
1674 struct be_queue_info
*rxq
= &rxo
->q
;
1675 struct page
*pagep
= NULL
;
1676 struct be_eth_rx_d
*rxd
;
1677 u64 page_dmaaddr
= 0, frag_dmaaddr
;
1678 u32 posted
, page_offset
= 0;
1680 page_info
= &rxo
->page_info_tbl
[rxq
->head
];
1681 for (posted
= 0; posted
< MAX_RX_POST
&& !page_info
->page
; posted
++) {
1683 pagep
= be_alloc_pages(adapter
->big_page_size
, gfp
);
1684 if (unlikely(!pagep
)) {
1685 rx_stats(rxo
)->rx_post_fail
++;
1688 page_dmaaddr
= dma_map_page(&adapter
->pdev
->dev
, pagep
,
1689 0, adapter
->big_page_size
,
1691 page_info
->page_offset
= 0;
1694 page_info
->page_offset
= page_offset
+ rx_frag_size
;
1696 page_offset
= page_info
->page_offset
;
1697 page_info
->page
= pagep
;
1698 dma_unmap_addr_set(page_info
, bus
, page_dmaaddr
);
1699 frag_dmaaddr
= page_dmaaddr
+ page_info
->page_offset
;
1701 rxd
= queue_head_node(rxq
);
1702 rxd
->fragpa_lo
= cpu_to_le32(frag_dmaaddr
& 0xFFFFFFFF);
1703 rxd
->fragpa_hi
= cpu_to_le32(upper_32_bits(frag_dmaaddr
));
1705 /* Any space left in the current big page for another frag? */
1706 if ((page_offset
+ rx_frag_size
+ rx_frag_size
) >
1707 adapter
->big_page_size
) {
1709 page_info
->last_page_user
= true;
1712 prev_page_info
= page_info
;
1713 queue_head_inc(rxq
);
1714 page_info
= &rxo
->page_info_tbl
[rxq
->head
];
1717 prev_page_info
->last_page_user
= true;
1720 atomic_add(posted
, &rxq
->used
);
1721 be_rxq_notify(adapter
, rxq
->id
, posted
);
1722 } else if (atomic_read(&rxq
->used
) == 0) {
1723 /* Let be_worker replenish when memory is available */
1724 rxo
->rx_post_starved
= true;
1728 static struct be_eth_tx_compl
*be_tx_compl_get(struct be_queue_info
*tx_cq
)
1730 struct be_eth_tx_compl
*txcp
= queue_tail_node(tx_cq
);
1732 if (txcp
->dw
[offsetof(struct amap_eth_tx_compl
, valid
) / 32] == 0)
1736 be_dws_le_to_cpu(txcp
, sizeof(*txcp
));
1738 txcp
->dw
[offsetof(struct amap_eth_tx_compl
, valid
) / 32] = 0;
1740 queue_tail_inc(tx_cq
);
1744 static u16
be_tx_compl_process(struct be_adapter
*adapter
,
1745 struct be_tx_obj
*txo
, u16 last_index
)
1747 struct be_queue_info
*txq
= &txo
->q
;
1748 struct be_eth_wrb
*wrb
;
1749 struct sk_buff
**sent_skbs
= txo
->sent_skb_list
;
1750 struct sk_buff
*sent_skb
;
1751 u16 cur_index
, num_wrbs
= 1; /* account for hdr wrb */
1752 bool unmap_skb_hdr
= true;
1754 sent_skb
= sent_skbs
[txq
->tail
];
1756 sent_skbs
[txq
->tail
] = NULL
;
1758 /* skip header wrb */
1759 queue_tail_inc(txq
);
1762 cur_index
= txq
->tail
;
1763 wrb
= queue_tail_node(txq
);
1764 unmap_tx_frag(&adapter
->pdev
->dev
, wrb
,
1765 (unmap_skb_hdr
&& skb_headlen(sent_skb
)));
1766 unmap_skb_hdr
= false;
1769 queue_tail_inc(txq
);
1770 } while (cur_index
!= last_index
);
1772 kfree_skb(sent_skb
);
1776 /* Return the number of events in the event queue */
1777 static inline int events_get(struct be_eq_obj
*eqo
)
1779 struct be_eq_entry
*eqe
;
1783 eqe
= queue_tail_node(&eqo
->q
);
1790 queue_tail_inc(&eqo
->q
);
1796 /* Leaves the EQ is disarmed state */
1797 static void be_eq_clean(struct be_eq_obj
*eqo
)
1799 int num
= events_get(eqo
);
1801 be_eq_notify(eqo
->adapter
, eqo
->q
.id
, false, true, num
);
1804 static void be_rx_cq_clean(struct be_rx_obj
*rxo
)
1806 struct be_rx_page_info
*page_info
;
1807 struct be_queue_info
*rxq
= &rxo
->q
;
1808 struct be_queue_info
*rx_cq
= &rxo
->cq
;
1809 struct be_rx_compl_info
*rxcp
;
1810 struct be_adapter
*adapter
= rxo
->adapter
;
1814 /* Consume pending rx completions.
1815 * Wait for the flush completion (identified by zero num_rcvd)
1816 * to arrive. Notify CQ even when there are no more CQ entries
1817 * for HW to flush partially coalesced CQ entries.
1818 * In Lancer, there is no need to wait for flush compl.
1821 rxcp
= be_rx_compl_get(rxo
);
1823 if (lancer_chip(adapter
))
1826 if (flush_wait
++ > 10 || be_hw_error(adapter
)) {
1827 dev_warn(&adapter
->pdev
->dev
,
1828 "did not receive flush compl\n");
1831 be_cq_notify(adapter
, rx_cq
->id
, true, 0);
1834 be_rx_compl_discard(rxo
, rxcp
);
1835 be_cq_notify(adapter
, rx_cq
->id
, false, 1);
1836 if (rxcp
->num_rcvd
== 0)
1841 /* After cleanup, leave the CQ in unarmed state */
1842 be_cq_notify(adapter
, rx_cq
->id
, false, 0);
1844 /* Then free posted rx buffers that were not used */
1845 tail
= (rxq
->head
+ rxq
->len
- atomic_read(&rxq
->used
)) % rxq
->len
;
1846 for (; atomic_read(&rxq
->used
) > 0; index_inc(&tail
, rxq
->len
)) {
1847 page_info
= get_rx_page_info(rxo
, tail
);
1848 put_page(page_info
->page
);
1849 memset(page_info
, 0, sizeof(*page_info
));
1851 BUG_ON(atomic_read(&rxq
->used
));
1852 rxq
->tail
= rxq
->head
= 0;
1855 static void be_tx_compl_clean(struct be_adapter
*adapter
)
1857 struct be_tx_obj
*txo
;
1858 struct be_queue_info
*txq
;
1859 struct be_eth_tx_compl
*txcp
;
1860 u16 end_idx
, cmpl
= 0, timeo
= 0, num_wrbs
= 0;
1861 struct sk_buff
*sent_skb
;
1863 int i
, pending_txqs
;
1865 /* Wait for a max of 200ms for all the tx-completions to arrive. */
1867 pending_txqs
= adapter
->num_tx_qs
;
1869 for_all_tx_queues(adapter
, txo
, i
) {
1871 while ((txcp
= be_tx_compl_get(&txo
->cq
))) {
1873 AMAP_GET_BITS(struct amap_eth_tx_compl
,
1875 num_wrbs
+= be_tx_compl_process(adapter
, txo
,
1880 be_cq_notify(adapter
, txo
->cq
.id
, false, cmpl
);
1881 atomic_sub(num_wrbs
, &txq
->used
);
1885 if (atomic_read(&txq
->used
) == 0)
1889 if (pending_txqs
== 0 || ++timeo
> 200)
1895 for_all_tx_queues(adapter
, txo
, i
) {
1897 if (atomic_read(&txq
->used
))
1898 dev_err(&adapter
->pdev
->dev
, "%d pending tx-compls\n",
1899 atomic_read(&txq
->used
));
1901 /* free posted tx for which compls will never arrive */
1902 while (atomic_read(&txq
->used
)) {
1903 sent_skb
= txo
->sent_skb_list
[txq
->tail
];
1904 end_idx
= txq
->tail
;
1905 num_wrbs
= wrb_cnt_for_skb(adapter
, sent_skb
,
1907 index_adv(&end_idx
, num_wrbs
- 1, txq
->len
);
1908 num_wrbs
= be_tx_compl_process(adapter
, txo
, end_idx
);
1909 atomic_sub(num_wrbs
, &txq
->used
);
1914 static void be_evt_queues_destroy(struct be_adapter
*adapter
)
1916 struct be_eq_obj
*eqo
;
1919 for_all_evt_queues(adapter
, eqo
, i
) {
1920 if (eqo
->q
.created
) {
1922 be_cmd_q_destroy(adapter
, &eqo
->q
, QTYPE_EQ
);
1924 be_queue_free(adapter
, &eqo
->q
);
1928 static int be_evt_queues_create(struct be_adapter
*adapter
)
1930 struct be_queue_info
*eq
;
1931 struct be_eq_obj
*eqo
;
1934 adapter
->num_evt_qs
= num_irqs(adapter
);
1936 for_all_evt_queues(adapter
, eqo
, i
) {
1937 eqo
->adapter
= adapter
;
1938 eqo
->tx_budget
= BE_TX_BUDGET
;
1940 eqo
->max_eqd
= BE_MAX_EQD
;
1941 eqo
->enable_aic
= true;
1944 rc
= be_queue_alloc(adapter
, eq
, EVNT_Q_LEN
,
1945 sizeof(struct be_eq_entry
));
1949 rc
= be_cmd_eq_create(adapter
, eq
, eqo
->cur_eqd
);
1956 static void be_mcc_queues_destroy(struct be_adapter
*adapter
)
1958 struct be_queue_info
*q
;
1960 q
= &adapter
->mcc_obj
.q
;
1962 be_cmd_q_destroy(adapter
, q
, QTYPE_MCCQ
);
1963 be_queue_free(adapter
, q
);
1965 q
= &adapter
->mcc_obj
.cq
;
1967 be_cmd_q_destroy(adapter
, q
, QTYPE_CQ
);
1968 be_queue_free(adapter
, q
);
1971 /* Must be called only after TX qs are created as MCC shares TX EQ */
1972 static int be_mcc_queues_create(struct be_adapter
*adapter
)
1974 struct be_queue_info
*q
, *cq
;
1976 cq
= &adapter
->mcc_obj
.cq
;
1977 if (be_queue_alloc(adapter
, cq
, MCC_CQ_LEN
,
1978 sizeof(struct be_mcc_compl
)))
1981 /* Use the default EQ for MCC completions */
1982 if (be_cmd_cq_create(adapter
, cq
, &mcc_eqo(adapter
)->q
, true, 0))
1985 q
= &adapter
->mcc_obj
.q
;
1986 if (be_queue_alloc(adapter
, q
, MCC_Q_LEN
, sizeof(struct be_mcc_wrb
)))
1987 goto mcc_cq_destroy
;
1989 if (be_cmd_mccq_create(adapter
, q
, cq
))
1995 be_queue_free(adapter
, q
);
1997 be_cmd_q_destroy(adapter
, cq
, QTYPE_CQ
);
1999 be_queue_free(adapter
, cq
);
2004 static void be_tx_queues_destroy(struct be_adapter
*adapter
)
2006 struct be_queue_info
*q
;
2007 struct be_tx_obj
*txo
;
2010 for_all_tx_queues(adapter
, txo
, i
) {
2013 be_cmd_q_destroy(adapter
, q
, QTYPE_TXQ
);
2014 be_queue_free(adapter
, q
);
2018 be_cmd_q_destroy(adapter
, q
, QTYPE_CQ
);
2019 be_queue_free(adapter
, q
);
2023 static int be_num_txqs_want(struct be_adapter
*adapter
)
2025 if ((!lancer_chip(adapter
) && sriov_want(adapter
)) ||
2026 be_is_mc(adapter
) ||
2027 (!lancer_chip(adapter
) && !be_physfn(adapter
)) ||
2031 return adapter
->max_tx_queues
;
2034 static int be_tx_cqs_create(struct be_adapter
*adapter
)
2036 struct be_queue_info
*cq
, *eq
;
2038 struct be_tx_obj
*txo
;
2041 adapter
->num_tx_qs
= be_num_txqs_want(adapter
);
2042 if (adapter
->num_tx_qs
!= MAX_TX_QS
) {
2044 netif_set_real_num_tx_queues(adapter
->netdev
,
2045 adapter
->num_tx_qs
);
2049 for_all_tx_queues(adapter
, txo
, i
) {
2051 status
= be_queue_alloc(adapter
, cq
, TX_CQ_LEN
,
2052 sizeof(struct be_eth_tx_compl
));
2056 /* If num_evt_qs is less than num_tx_qs, then more than
2057 * one txq share an eq
2059 eq
= &adapter
->eq_obj
[i
% adapter
->num_evt_qs
].q
;
2060 status
= be_cmd_cq_create(adapter
, cq
, eq
, false, 3);
2067 static int be_tx_qs_create(struct be_adapter
*adapter
)
2069 struct be_tx_obj
*txo
;
2072 for_all_tx_queues(adapter
, txo
, i
) {
2073 status
= be_queue_alloc(adapter
, &txo
->q
, TX_Q_LEN
,
2074 sizeof(struct be_eth_wrb
));
2078 status
= be_cmd_txq_create(adapter
, txo
);
2083 dev_info(&adapter
->pdev
->dev
, "created %d TX queue(s)\n",
2084 adapter
->num_tx_qs
);
2088 static void be_rx_cqs_destroy(struct be_adapter
*adapter
)
2090 struct be_queue_info
*q
;
2091 struct be_rx_obj
*rxo
;
2094 for_all_rx_queues(adapter
, rxo
, i
) {
2097 be_cmd_q_destroy(adapter
, q
, QTYPE_CQ
);
2098 be_queue_free(adapter
, q
);
2102 static int be_rx_cqs_create(struct be_adapter
*adapter
)
2104 struct be_queue_info
*eq
, *cq
;
2105 struct be_rx_obj
*rxo
;
2108 /* We'll create as many RSS rings as there are irqs.
2109 * But when there's only one irq there's no use creating RSS rings
2111 adapter
->num_rx_qs
= (num_irqs(adapter
) > 1) ?
2112 num_irqs(adapter
) + 1 : 1;
2113 if (adapter
->num_rx_qs
!= MAX_RX_QS
) {
2115 netif_set_real_num_rx_queues(adapter
->netdev
,
2116 adapter
->num_rx_qs
);
2120 adapter
->big_page_size
= (1 << get_order(rx_frag_size
)) * PAGE_SIZE
;
2121 for_all_rx_queues(adapter
, rxo
, i
) {
2122 rxo
->adapter
= adapter
;
2124 rc
= be_queue_alloc(adapter
, cq
, RX_CQ_LEN
,
2125 sizeof(struct be_eth_rx_compl
));
2129 eq
= &adapter
->eq_obj
[i
% adapter
->num_evt_qs
].q
;
2130 rc
= be_cmd_cq_create(adapter
, cq
, eq
, false, 3);
2135 dev_info(&adapter
->pdev
->dev
,
2136 "created %d RSS queue(s) and 1 default RX queue\n",
2137 adapter
->num_rx_qs
- 1);
2141 static irqreturn_t
be_intx(int irq
, void *dev
)
2143 struct be_eq_obj
*eqo
= dev
;
2144 struct be_adapter
*adapter
= eqo
->adapter
;
2147 /* IRQ is not expected when NAPI is scheduled as the EQ
2148 * will not be armed.
2149 * But, this can happen on Lancer INTx where it takes
2150 * a while to de-assert INTx or in BE2 where occasionaly
2151 * an interrupt may be raised even when EQ is unarmed.
2152 * If NAPI is already scheduled, then counting & notifying
2153 * events will orphan them.
2155 if (napi_schedule_prep(&eqo
->napi
)) {
2156 num_evts
= events_get(eqo
);
2157 __napi_schedule(&eqo
->napi
);
2159 eqo
->spurious_intr
= 0;
2161 be_eq_notify(adapter
, eqo
->q
.id
, false, true, num_evts
);
2163 /* Return IRQ_HANDLED only for the the first spurious intr
2164 * after a valid intr to stop the kernel from branding
2165 * this irq as a bad one!
2167 if (num_evts
|| eqo
->spurious_intr
++ == 0)
2173 static irqreturn_t
be_msix(int irq
, void *dev
)
2175 struct be_eq_obj
*eqo
= dev
;
2177 be_eq_notify(eqo
->adapter
, eqo
->q
.id
, false, true, 0);
2178 napi_schedule(&eqo
->napi
);
2182 static inline bool do_gro(struct be_rx_compl_info
*rxcp
)
2184 return (rxcp
->tcpf
&& !rxcp
->err
&& rxcp
->l4_csum
) ? true : false;
2187 static int be_process_rx(struct be_rx_obj
*rxo
, struct napi_struct
*napi
,
2190 struct be_adapter
*adapter
= rxo
->adapter
;
2191 struct be_queue_info
*rx_cq
= &rxo
->cq
;
2192 struct be_rx_compl_info
*rxcp
;
2195 for (work_done
= 0; work_done
< budget
; work_done
++) {
2196 rxcp
= be_rx_compl_get(rxo
);
2200 /* Is it a flush compl that has no data */
2201 if (unlikely(rxcp
->num_rcvd
== 0))
2204 /* Discard compl with partial DMA Lancer B0 */
2205 if (unlikely(!rxcp
->pkt_size
)) {
2206 be_rx_compl_discard(rxo
, rxcp
);
2210 /* On BE drop pkts that arrive due to imperfect filtering in
2211 * promiscuous mode on some skews
2213 if (unlikely(rxcp
->port
!= adapter
->port_num
&&
2214 !lancer_chip(adapter
))) {
2215 be_rx_compl_discard(rxo
, rxcp
);
2220 be_rx_compl_process_gro(rxo
, napi
, rxcp
);
2222 be_rx_compl_process(rxo
, rxcp
);
2224 be_rx_stats_update(rxo
, rxcp
);
2228 be_cq_notify(adapter
, rx_cq
->id
, true, work_done
);
2230 if (atomic_read(&rxo
->q
.used
) < RX_FRAGS_REFILL_WM
)
2231 be_post_rx_frags(rxo
, GFP_ATOMIC
);
2237 static bool be_process_tx(struct be_adapter
*adapter
, struct be_tx_obj
*txo
,
2238 int budget
, int idx
)
2240 struct be_eth_tx_compl
*txcp
;
2241 int num_wrbs
= 0, work_done
;
2243 for (work_done
= 0; work_done
< budget
; work_done
++) {
2244 txcp
= be_tx_compl_get(&txo
->cq
);
2247 num_wrbs
+= be_tx_compl_process(adapter
, txo
,
2248 AMAP_GET_BITS(struct amap_eth_tx_compl
,
2253 be_cq_notify(adapter
, txo
->cq
.id
, true, work_done
);
2254 atomic_sub(num_wrbs
, &txo
->q
.used
);
2256 /* As Tx wrbs have been freed up, wake up netdev queue
2257 * if it was stopped due to lack of tx wrbs. */
2258 if (__netif_subqueue_stopped(adapter
->netdev
, idx
) &&
2259 atomic_read(&txo
->q
.used
) < txo
->q
.len
/ 2) {
2260 netif_wake_subqueue(adapter
->netdev
, idx
);
2263 u64_stats_update_begin(&tx_stats(txo
)->sync_compl
);
2264 tx_stats(txo
)->tx_compl
+= work_done
;
2265 u64_stats_update_end(&tx_stats(txo
)->sync_compl
);
2267 return (work_done
< budget
); /* Done */
2270 int be_poll(struct napi_struct
*napi
, int budget
)
2272 struct be_eq_obj
*eqo
= container_of(napi
, struct be_eq_obj
, napi
);
2273 struct be_adapter
*adapter
= eqo
->adapter
;
2274 int max_work
= 0, work
, i
, num_evts
;
2277 num_evts
= events_get(eqo
);
2279 /* Process all TXQs serviced by this EQ */
2280 for (i
= eqo
->idx
; i
< adapter
->num_tx_qs
; i
+= adapter
->num_evt_qs
) {
2281 tx_done
= be_process_tx(adapter
, &adapter
->tx_obj
[i
],
2287 /* This loop will iterate twice for EQ0 in which
2288 * completions of the last RXQ (default one) are also processed
2289 * For other EQs the loop iterates only once
2291 for (i
= eqo
->idx
; i
< adapter
->num_rx_qs
; i
+= adapter
->num_evt_qs
) {
2292 work
= be_process_rx(&adapter
->rx_obj
[i
], napi
, budget
);
2293 max_work
= max(work
, max_work
);
2296 if (is_mcc_eqo(eqo
))
2297 be_process_mcc(adapter
);
2299 if (max_work
< budget
) {
2300 napi_complete(napi
);
2301 be_eq_notify(adapter
, eqo
->q
.id
, true, false, num_evts
);
2303 /* As we'll continue in polling mode, count and clear events */
2304 be_eq_notify(adapter
, eqo
->q
.id
, false, false, num_evts
);
2309 void be_detect_error(struct be_adapter
*adapter
)
2311 u32 ue_lo
= 0, ue_hi
= 0, ue_lo_mask
= 0, ue_hi_mask
= 0;
2312 u32 sliport_status
= 0, sliport_err1
= 0, sliport_err2
= 0;
2315 if (be_hw_error(adapter
))
2318 if (lancer_chip(adapter
)) {
2319 sliport_status
= ioread32(adapter
->db
+ SLIPORT_STATUS_OFFSET
);
2320 if (sliport_status
& SLIPORT_STATUS_ERR_MASK
) {
2321 sliport_err1
= ioread32(adapter
->db
+
2322 SLIPORT_ERROR1_OFFSET
);
2323 sliport_err2
= ioread32(adapter
->db
+
2324 SLIPORT_ERROR2_OFFSET
);
2327 pci_read_config_dword(adapter
->pdev
,
2328 PCICFG_UE_STATUS_LOW
, &ue_lo
);
2329 pci_read_config_dword(adapter
->pdev
,
2330 PCICFG_UE_STATUS_HIGH
, &ue_hi
);
2331 pci_read_config_dword(adapter
->pdev
,
2332 PCICFG_UE_STATUS_LOW_MASK
, &ue_lo_mask
);
2333 pci_read_config_dword(adapter
->pdev
,
2334 PCICFG_UE_STATUS_HI_MASK
, &ue_hi_mask
);
2336 ue_lo
= (ue_lo
& ~ue_lo_mask
);
2337 ue_hi
= (ue_hi
& ~ue_hi_mask
);
2340 /* On certain platforms BE hardware can indicate spurious UEs.
2341 * Allow the h/w to stop working completely in case of a real UE.
2342 * Hence not setting the hw_error for UE detection.
2344 if (sliport_status
& SLIPORT_STATUS_ERR_MASK
) {
2345 adapter
->hw_error
= true;
2346 dev_err(&adapter
->pdev
->dev
,
2347 "Error detected in the card\n");
2350 if (sliport_status
& SLIPORT_STATUS_ERR_MASK
) {
2351 dev_err(&adapter
->pdev
->dev
,
2352 "ERR: sliport status 0x%x\n", sliport_status
);
2353 dev_err(&adapter
->pdev
->dev
,
2354 "ERR: sliport error1 0x%x\n", sliport_err1
);
2355 dev_err(&adapter
->pdev
->dev
,
2356 "ERR: sliport error2 0x%x\n", sliport_err2
);
2360 for (i
= 0; ue_lo
; ue_lo
>>= 1, i
++) {
2362 dev_err(&adapter
->pdev
->dev
,
2363 "UE: %s bit set\n", ue_status_low_desc
[i
]);
2368 for (i
= 0; ue_hi
; ue_hi
>>= 1, i
++) {
2370 dev_err(&adapter
->pdev
->dev
,
2371 "UE: %s bit set\n", ue_status_hi_desc
[i
]);
2377 static void be_msix_disable(struct be_adapter
*adapter
)
2379 if (msix_enabled(adapter
)) {
2380 pci_disable_msix(adapter
->pdev
);
2381 adapter
->num_msix_vec
= 0;
2385 static uint
be_num_rss_want(struct be_adapter
*adapter
)
2389 if ((adapter
->function_caps
& BE_FUNCTION_CAPS_RSS
) &&
2390 (lancer_chip(adapter
) ||
2391 (!sriov_want(adapter
) && be_physfn(adapter
)))) {
2392 num
= adapter
->max_rss_queues
;
2393 num
= min_t(u32
, num
, (u32
)netif_get_num_default_rss_queues());
2398 static int be_msix_enable(struct be_adapter
*adapter
)
2400 #define BE_MIN_MSIX_VECTORS 1
2401 int i
, status
, num_vec
, num_roce_vec
= 0;
2402 struct device
*dev
= &adapter
->pdev
->dev
;
2404 /* If RSS queues are not used, need a vec for default RX Q */
2405 num_vec
= min(be_num_rss_want(adapter
), num_online_cpus());
2406 if (be_roce_supported(adapter
)) {
2407 num_roce_vec
= min_t(u32
, MAX_ROCE_MSIX_VECTORS
,
2408 (num_online_cpus() + 1));
2409 num_roce_vec
= min(num_roce_vec
, MAX_ROCE_EQS
);
2410 num_vec
+= num_roce_vec
;
2411 num_vec
= min(num_vec
, MAX_MSIX_VECTORS
);
2413 num_vec
= max(num_vec
, BE_MIN_MSIX_VECTORS
);
2415 for (i
= 0; i
< num_vec
; i
++)
2416 adapter
->msix_entries
[i
].entry
= i
;
2418 status
= pci_enable_msix(adapter
->pdev
, adapter
->msix_entries
, num_vec
);
2421 } else if (status
>= BE_MIN_MSIX_VECTORS
) {
2423 status
= pci_enable_msix(adapter
->pdev
, adapter
->msix_entries
,
2429 dev_warn(dev
, "MSIx enable failed\n");
2430 /* INTx is not supported in VFs, so fail probe if enable_msix fails */
2431 if (!be_physfn(adapter
))
2435 if (be_roce_supported(adapter
)) {
2436 if (num_vec
> num_roce_vec
) {
2437 adapter
->num_msix_vec
= num_vec
- num_roce_vec
;
2438 adapter
->num_msix_roce_vec
=
2439 num_vec
- adapter
->num_msix_vec
;
2441 adapter
->num_msix_vec
= num_vec
;
2442 adapter
->num_msix_roce_vec
= 0;
2445 adapter
->num_msix_vec
= num_vec
;
2446 dev_info(dev
, "enabled %d MSI-x vector(s)\n", adapter
->num_msix_vec
);
2450 static inline int be_msix_vec_get(struct be_adapter
*adapter
,
2451 struct be_eq_obj
*eqo
)
2453 return adapter
->msix_entries
[eqo
->idx
].vector
;
2456 static int be_msix_register(struct be_adapter
*adapter
)
2458 struct net_device
*netdev
= adapter
->netdev
;
2459 struct be_eq_obj
*eqo
;
2462 for_all_evt_queues(adapter
, eqo
, i
) {
2463 sprintf(eqo
->desc
, "%s-q%d", netdev
->name
, i
);
2464 vec
= be_msix_vec_get(adapter
, eqo
);
2465 status
= request_irq(vec
, be_msix
, 0, eqo
->desc
, eqo
);
2472 for (i
--, eqo
= &adapter
->eq_obj
[i
]; i
>= 0; i
--, eqo
--)
2473 free_irq(be_msix_vec_get(adapter
, eqo
), eqo
);
2474 dev_warn(&adapter
->pdev
->dev
, "MSIX Request IRQ failed - err %d\n",
2476 be_msix_disable(adapter
);
2480 static int be_irq_register(struct be_adapter
*adapter
)
2482 struct net_device
*netdev
= adapter
->netdev
;
2485 if (msix_enabled(adapter
)) {
2486 status
= be_msix_register(adapter
);
2489 /* INTx is not supported for VF */
2490 if (!be_physfn(adapter
))
2494 /* INTx: only the first EQ is used */
2495 netdev
->irq
= adapter
->pdev
->irq
;
2496 status
= request_irq(netdev
->irq
, be_intx
, IRQF_SHARED
, netdev
->name
,
2497 &adapter
->eq_obj
[0]);
2499 dev_err(&adapter
->pdev
->dev
,
2500 "INTx request IRQ failed - err %d\n", status
);
2504 adapter
->isr_registered
= true;
2508 static void be_irq_unregister(struct be_adapter
*adapter
)
2510 struct net_device
*netdev
= adapter
->netdev
;
2511 struct be_eq_obj
*eqo
;
2514 if (!adapter
->isr_registered
)
2518 if (!msix_enabled(adapter
)) {
2519 free_irq(netdev
->irq
, &adapter
->eq_obj
[0]);
2524 for_all_evt_queues(adapter
, eqo
, i
)
2525 free_irq(be_msix_vec_get(adapter
, eqo
), eqo
);
2528 adapter
->isr_registered
= false;
2531 static void be_rx_qs_destroy(struct be_adapter
*adapter
)
2533 struct be_queue_info
*q
;
2534 struct be_rx_obj
*rxo
;
2537 for_all_rx_queues(adapter
, rxo
, i
) {
2540 be_cmd_rxq_destroy(adapter
, q
);
2541 be_rx_cq_clean(rxo
);
2543 be_queue_free(adapter
, q
);
2547 static int be_close(struct net_device
*netdev
)
2549 struct be_adapter
*adapter
= netdev_priv(netdev
);
2550 struct be_eq_obj
*eqo
;
2553 be_roce_dev_close(adapter
);
2555 if (adapter
->flags
& BE_FLAGS_NAPI_ENABLED
) {
2556 for_all_evt_queues(adapter
, eqo
, i
)
2557 napi_disable(&eqo
->napi
);
2558 adapter
->flags
&= ~BE_FLAGS_NAPI_ENABLED
;
2561 be_async_mcc_disable(adapter
);
2563 /* Wait for all pending tx completions to arrive so that
2564 * all tx skbs are freed.
2566 be_tx_compl_clean(adapter
);
2567 netif_tx_disable(netdev
);
2569 be_rx_qs_destroy(adapter
);
2571 for_all_evt_queues(adapter
, eqo
, i
) {
2572 if (msix_enabled(adapter
))
2573 synchronize_irq(be_msix_vec_get(adapter
, eqo
));
2575 synchronize_irq(netdev
->irq
);
2579 be_irq_unregister(adapter
);
2584 static int be_rx_qs_create(struct be_adapter
*adapter
)
2586 struct be_rx_obj
*rxo
;
2590 for_all_rx_queues(adapter
, rxo
, i
) {
2591 rc
= be_queue_alloc(adapter
, &rxo
->q
, RX_Q_LEN
,
2592 sizeof(struct be_eth_rx_d
));
2597 /* The FW would like the default RXQ to be created first */
2598 rxo
= default_rxo(adapter
);
2599 rc
= be_cmd_rxq_create(adapter
, &rxo
->q
, rxo
->cq
.id
, rx_frag_size
,
2600 adapter
->if_handle
, false, &rxo
->rss_id
);
2604 for_all_rss_queues(adapter
, rxo
, i
) {
2605 rc
= be_cmd_rxq_create(adapter
, &rxo
->q
, rxo
->cq
.id
,
2606 rx_frag_size
, adapter
->if_handle
,
2607 true, &rxo
->rss_id
);
2612 if (be_multi_rxq(adapter
)) {
2613 for (j
= 0; j
< 128; j
+= adapter
->num_rx_qs
- 1) {
2614 for_all_rss_queues(adapter
, rxo
, i
) {
2617 rsstable
[j
+ i
] = rxo
->rss_id
;
2620 adapter
->rss_flags
= RSS_ENABLE_TCP_IPV4
| RSS_ENABLE_IPV4
|
2621 RSS_ENABLE_TCP_IPV6
| RSS_ENABLE_IPV6
;
2623 if (!BEx_chip(adapter
))
2624 adapter
->rss_flags
|= RSS_ENABLE_UDP_IPV4
|
2625 RSS_ENABLE_UDP_IPV6
;
2627 rc
= be_cmd_rss_config(adapter
, rsstable
, adapter
->rss_flags
,
2630 adapter
->rss_flags
= 0;
2635 /* First time posting */
2636 for_all_rx_queues(adapter
, rxo
, i
)
2637 be_post_rx_frags(rxo
, GFP_KERNEL
);
2641 static int be_open(struct net_device
*netdev
)
2643 struct be_adapter
*adapter
= netdev_priv(netdev
);
2644 struct be_eq_obj
*eqo
;
2645 struct be_rx_obj
*rxo
;
2646 struct be_tx_obj
*txo
;
2650 status
= be_rx_qs_create(adapter
);
2654 status
= be_irq_register(adapter
);
2658 for_all_rx_queues(adapter
, rxo
, i
)
2659 be_cq_notify(adapter
, rxo
->cq
.id
, true, 0);
2661 for_all_tx_queues(adapter
, txo
, i
)
2662 be_cq_notify(adapter
, txo
->cq
.id
, true, 0);
2664 be_async_mcc_enable(adapter
);
2666 for_all_evt_queues(adapter
, eqo
, i
) {
2667 napi_enable(&eqo
->napi
);
2668 be_eq_notify(adapter
, eqo
->q
.id
, true, false, 0);
2670 adapter
->flags
|= BE_FLAGS_NAPI_ENABLED
;
2672 status
= be_cmd_link_status_query(adapter
, NULL
, &link_status
, 0);
2674 be_link_status_update(adapter
, link_status
);
2676 netif_tx_start_all_queues(netdev
);
2677 be_roce_dev_open(adapter
);
2680 be_close(adapter
->netdev
);
2684 static int be_setup_wol(struct be_adapter
*adapter
, bool enable
)
2686 struct be_dma_mem cmd
;
2690 memset(mac
, 0, ETH_ALEN
);
2692 cmd
.size
= sizeof(struct be_cmd_req_acpi_wol_magic_config
);
2693 cmd
.va
= dma_alloc_coherent(&adapter
->pdev
->dev
, cmd
.size
, &cmd
.dma
,
2694 GFP_KERNEL
| __GFP_ZERO
);
2699 status
= pci_write_config_dword(adapter
->pdev
,
2700 PCICFG_PM_CONTROL_OFFSET
, PCICFG_PM_CONTROL_MASK
);
2702 dev_err(&adapter
->pdev
->dev
,
2703 "Could not enable Wake-on-lan\n");
2704 dma_free_coherent(&adapter
->pdev
->dev
, cmd
.size
, cmd
.va
,
2708 status
= be_cmd_enable_magic_wol(adapter
,
2709 adapter
->netdev
->dev_addr
, &cmd
);
2710 pci_enable_wake(adapter
->pdev
, PCI_D3hot
, 1);
2711 pci_enable_wake(adapter
->pdev
, PCI_D3cold
, 1);
2713 status
= be_cmd_enable_magic_wol(adapter
, mac
, &cmd
);
2714 pci_enable_wake(adapter
->pdev
, PCI_D3hot
, 0);
2715 pci_enable_wake(adapter
->pdev
, PCI_D3cold
, 0);
2718 dma_free_coherent(&adapter
->pdev
->dev
, cmd
.size
, cmd
.va
, cmd
.dma
);
2723 * Generate a seed MAC address from the PF MAC Address using jhash.
2724 * MAC Address for VFs are assigned incrementally starting from the seed.
2725 * These addresses are programmed in the ASIC by the PF and the VF driver
2726 * queries for the MAC address during its probe.
2728 static int be_vf_eth_addr_config(struct be_adapter
*adapter
)
2733 struct be_vf_cfg
*vf_cfg
;
2735 be_vf_eth_addr_generate(adapter
, mac
);
2737 for_all_vfs(adapter
, vf_cfg
, vf
) {
2738 if (lancer_chip(adapter
)) {
2739 status
= be_cmd_set_mac_list(adapter
, mac
, 1, vf
+ 1);
2741 status
= be_cmd_pmac_add(adapter
, mac
,
2743 &vf_cfg
->pmac_id
, vf
+ 1);
2747 dev_err(&adapter
->pdev
->dev
,
2748 "Mac address assignment failed for VF %d\n", vf
);
2750 memcpy(vf_cfg
->mac_addr
, mac
, ETH_ALEN
);
2757 static int be_vfs_mac_query(struct be_adapter
*adapter
)
2761 struct be_vf_cfg
*vf_cfg
;
2764 for_all_vfs(adapter
, vf_cfg
, vf
) {
2765 be_cmd_get_mac_from_list(adapter
, mac
, &active
,
2766 &vf_cfg
->pmac_id
, 0);
2768 status
= be_cmd_mac_addr_query(adapter
, mac
, false,
2769 vf_cfg
->if_handle
, 0);
2772 memcpy(vf_cfg
->mac_addr
, mac
, ETH_ALEN
);
2777 static void be_vf_clear(struct be_adapter
*adapter
)
2779 struct be_vf_cfg
*vf_cfg
;
2782 if (pci_vfs_assigned(adapter
->pdev
)) {
2783 dev_warn(&adapter
->pdev
->dev
,
2784 "VFs are assigned to VMs: not disabling VFs\n");
2788 pci_disable_sriov(adapter
->pdev
);
2790 for_all_vfs(adapter
, vf_cfg
, vf
) {
2791 if (lancer_chip(adapter
))
2792 be_cmd_set_mac_list(adapter
, NULL
, 0, vf
+ 1);
2794 be_cmd_pmac_del(adapter
, vf_cfg
->if_handle
,
2795 vf_cfg
->pmac_id
, vf
+ 1);
2797 be_cmd_if_destroy(adapter
, vf_cfg
->if_handle
, vf
+ 1);
2800 kfree(adapter
->vf_cfg
);
2801 adapter
->num_vfs
= 0;
2804 static int be_clear(struct be_adapter
*adapter
)
2808 if (adapter
->flags
& BE_FLAGS_WORKER_SCHEDULED
) {
2809 cancel_delayed_work_sync(&adapter
->work
);
2810 adapter
->flags
&= ~BE_FLAGS_WORKER_SCHEDULED
;
2813 if (sriov_enabled(adapter
))
2814 be_vf_clear(adapter
);
2816 for (; adapter
->uc_macs
> 0; adapter
->uc_macs
--, i
++)
2817 be_cmd_pmac_del(adapter
, adapter
->if_handle
,
2818 adapter
->pmac_id
[i
], 0);
2820 be_cmd_if_destroy(adapter
, adapter
->if_handle
, 0);
2822 be_mcc_queues_destroy(adapter
);
2823 be_rx_cqs_destroy(adapter
);
2824 be_tx_queues_destroy(adapter
);
2825 be_evt_queues_destroy(adapter
);
2827 kfree(adapter
->pmac_id
);
2828 adapter
->pmac_id
= NULL
;
2830 be_msix_disable(adapter
);
2834 static int be_vfs_if_create(struct be_adapter
*adapter
)
2836 struct be_vf_cfg
*vf_cfg
;
2837 u32 cap_flags
, en_flags
, vf
;
2840 cap_flags
= BE_IF_FLAGS_UNTAGGED
| BE_IF_FLAGS_BROADCAST
|
2841 BE_IF_FLAGS_MULTICAST
;
2843 for_all_vfs(adapter
, vf_cfg
, vf
) {
2844 if (!BE3_chip(adapter
))
2845 be_cmd_get_profile_config(adapter
, &cap_flags
,
2848 /* If a FW profile exists, then cap_flags are updated */
2849 en_flags
= cap_flags
& (BE_IF_FLAGS_UNTAGGED
|
2850 BE_IF_FLAGS_BROADCAST
| BE_IF_FLAGS_MULTICAST
);
2851 status
= be_cmd_if_create(adapter
, cap_flags
, en_flags
,
2852 &vf_cfg
->if_handle
, vf
+ 1);
2860 static int be_vf_setup_init(struct be_adapter
*adapter
)
2862 struct be_vf_cfg
*vf_cfg
;
2865 adapter
->vf_cfg
= kcalloc(adapter
->num_vfs
, sizeof(*vf_cfg
),
2867 if (!adapter
->vf_cfg
)
2870 for_all_vfs(adapter
, vf_cfg
, vf
) {
2871 vf_cfg
->if_handle
= -1;
2872 vf_cfg
->pmac_id
= -1;
2877 static int be_vf_setup(struct be_adapter
*adapter
)
2879 struct be_vf_cfg
*vf_cfg
;
2880 u16 def_vlan
, lnk_speed
;
2881 int status
, old_vfs
, vf
;
2882 struct device
*dev
= &adapter
->pdev
->dev
;
2884 old_vfs
= pci_num_vf(adapter
->pdev
);
2886 dev_info(dev
, "%d VFs are already enabled\n", old_vfs
);
2887 if (old_vfs
!= num_vfs
)
2888 dev_warn(dev
, "Ignoring num_vfs=%d setting\n", num_vfs
);
2889 adapter
->num_vfs
= old_vfs
;
2891 if (num_vfs
> adapter
->dev_num_vfs
)
2892 dev_info(dev
, "Device supports %d VFs and not %d\n",
2893 adapter
->dev_num_vfs
, num_vfs
);
2894 adapter
->num_vfs
= min_t(u16
, num_vfs
, adapter
->dev_num_vfs
);
2895 if (!adapter
->num_vfs
)
2899 status
= be_vf_setup_init(adapter
);
2904 for_all_vfs(adapter
, vf_cfg
, vf
) {
2905 status
= be_cmd_get_if_id(adapter
, vf_cfg
, vf
);
2910 status
= be_vfs_if_create(adapter
);
2916 status
= be_vfs_mac_query(adapter
);
2920 status
= be_vf_eth_addr_config(adapter
);
2925 for_all_vfs(adapter
, vf_cfg
, vf
) {
2926 /* BE3 FW, by default, caps VF TX-rate to 100mbps.
2927 * Allow full available bandwidth
2929 if (BE3_chip(adapter
) && !old_vfs
)
2930 be_cmd_set_qos(adapter
, 1000, vf
+1);
2932 status
= be_cmd_link_status_query(adapter
, &lnk_speed
,
2935 vf_cfg
->tx_rate
= lnk_speed
;
2937 status
= be_cmd_get_hsw_config(adapter
, &def_vlan
,
2938 vf
+ 1, vf_cfg
->if_handle
);
2941 vf_cfg
->def_vid
= def_vlan
;
2943 be_cmd_enable_vf(adapter
, vf
+ 1);
2947 status
= pci_enable_sriov(adapter
->pdev
, adapter
->num_vfs
);
2949 dev_err(dev
, "SRIOV enable failed\n");
2950 adapter
->num_vfs
= 0;
2956 dev_err(dev
, "VF setup failed\n");
2957 be_vf_clear(adapter
);
2961 static void be_setup_init(struct be_adapter
*adapter
)
2963 adapter
->vlan_prio_bmap
= 0xff;
2964 adapter
->phy
.link_speed
= -1;
2965 adapter
->if_handle
= -1;
2966 adapter
->be3_native
= false;
2967 adapter
->promiscuous
= false;
2968 if (be_physfn(adapter
))
2969 adapter
->cmd_privileges
= MAX_PRIVILEGES
;
2971 adapter
->cmd_privileges
= MIN_PRIVILEGES
;
2974 static int be_get_mac_addr(struct be_adapter
*adapter
, u8
*mac
, u32 if_handle
,
2975 bool *active_mac
, u32
*pmac_id
)
2979 if (!is_zero_ether_addr(adapter
->netdev
->perm_addr
)) {
2980 memcpy(mac
, adapter
->netdev
->dev_addr
, ETH_ALEN
);
2981 if (!lancer_chip(adapter
) && !be_physfn(adapter
))
2984 *active_mac
= false;
2989 if (lancer_chip(adapter
)) {
2990 status
= be_cmd_get_mac_from_list(adapter
, mac
,
2991 active_mac
, pmac_id
, 0);
2993 status
= be_cmd_mac_addr_query(adapter
, mac
, false,
2994 if_handle
, *pmac_id
);
2996 } else if (be_physfn(adapter
)) {
2997 /* For BE3, for PF get permanent MAC */
2998 status
= be_cmd_mac_addr_query(adapter
, mac
, true, 0, 0);
2999 *active_mac
= false;
3001 /* For BE3, for VF get soft MAC assigned by PF*/
3002 status
= be_cmd_mac_addr_query(adapter
, mac
, false,
3009 static void be_get_resources(struct be_adapter
*adapter
)
3013 bool profile_present
= false;
3016 if (!BEx_chip(adapter
)) {
3017 status
= be_cmd_get_func_config(adapter
);
3019 profile_present
= true;
3020 } else if (BE3_chip(adapter
) && be_physfn(adapter
)) {
3021 be_cmd_get_profile_config(adapter
, NULL
, &txq_count
, 0);
3024 if (profile_present
) {
3025 /* Sanity fixes for Lancer */
3026 adapter
->max_pmac_cnt
= min_t(u16
, adapter
->max_pmac_cnt
,
3028 adapter
->max_vlans
= min_t(u16
, adapter
->max_vlans
,
3029 BE_NUM_VLANS_SUPPORTED
);
3030 adapter
->max_mcast_mac
= min_t(u16
, adapter
->max_mcast_mac
,
3032 adapter
->max_tx_queues
= min_t(u16
, adapter
->max_tx_queues
,
3034 adapter
->max_rss_queues
= min_t(u16
, adapter
->max_rss_queues
,
3036 adapter
->max_event_queues
= min_t(u16
,
3037 adapter
->max_event_queues
,
3040 if (adapter
->max_rss_queues
&&
3041 adapter
->max_rss_queues
== adapter
->max_rx_queues
)
3042 adapter
->max_rss_queues
-= 1;
3044 if (adapter
->max_event_queues
< adapter
->max_rss_queues
)
3045 adapter
->max_rss_queues
= adapter
->max_event_queues
;
3048 if (be_physfn(adapter
))
3049 adapter
->max_pmac_cnt
= BE_UC_PMAC_COUNT
;
3051 adapter
->max_pmac_cnt
= BE_VF_UC_PMAC_COUNT
;
3053 if (adapter
->function_mode
& FLEX10_MODE
)
3054 adapter
->max_vlans
= BE_NUM_VLANS_SUPPORTED
/8;
3056 adapter
->max_vlans
= BE_NUM_VLANS_SUPPORTED
;
3058 adapter
->max_mcast_mac
= BE_MAX_MC
;
3059 adapter
->max_tx_queues
= txq_count
? txq_count
: MAX_TX_QS
;
3060 adapter
->max_tx_queues
= min_t(u16
, adapter
->max_tx_queues
,
3062 adapter
->max_rss_queues
= (adapter
->be3_native
) ?
3063 BE3_MAX_RSS_QS
: BE2_MAX_RSS_QS
;
3064 adapter
->max_event_queues
= BE3_MAX_RSS_QS
;
3066 adapter
->if_cap_flags
= BE_IF_FLAGS_UNTAGGED
|
3067 BE_IF_FLAGS_BROADCAST
|
3068 BE_IF_FLAGS_MULTICAST
|
3069 BE_IF_FLAGS_PASS_L3L4_ERRORS
|
3070 BE_IF_FLAGS_MCAST_PROMISCUOUS
|
3071 BE_IF_FLAGS_VLAN_PROMISCUOUS
|
3072 BE_IF_FLAGS_PROMISCUOUS
;
3074 if (adapter
->function_caps
& BE_FUNCTION_CAPS_RSS
)
3075 adapter
->if_cap_flags
|= BE_IF_FLAGS_RSS
;
3078 pos
= pci_find_ext_capability(adapter
->pdev
, PCI_EXT_CAP_ID_SRIOV
);
3080 pci_read_config_word(adapter
->pdev
, pos
+ PCI_SRIOV_TOTAL_VF
,
3082 if (BE3_chip(adapter
))
3083 dev_num_vfs
= min_t(u16
, dev_num_vfs
, MAX_VFS
);
3084 adapter
->dev_num_vfs
= dev_num_vfs
;
3088 /* Routine to query per function resource limits */
3089 static int be_get_config(struct be_adapter
*adapter
)
3093 status
= be_cmd_query_fw_cfg(adapter
, &adapter
->port_num
,
3094 &adapter
->function_mode
,
3095 &adapter
->function_caps
,
3096 &adapter
->asic_rev
);
3100 be_get_resources(adapter
);
3102 /* primary mac needs 1 pmac entry */
3103 adapter
->pmac_id
= kcalloc(adapter
->max_pmac_cnt
+ 1,
3104 sizeof(u32
), GFP_KERNEL
);
3105 if (!adapter
->pmac_id
) {
3114 static int be_setup(struct be_adapter
*adapter
)
3116 struct device
*dev
= &adapter
->pdev
->dev
;
3123 be_setup_init(adapter
);
3125 if (!lancer_chip(adapter
))
3126 be_cmd_req_native_mode(adapter
);
3128 status
= be_get_config(adapter
);
3132 status
= be_msix_enable(adapter
);
3136 status
= be_evt_queues_create(adapter
);
3140 status
= be_tx_cqs_create(adapter
);
3144 status
= be_rx_cqs_create(adapter
);
3148 status
= be_mcc_queues_create(adapter
);
3152 be_cmd_get_fn_privileges(adapter
, &adapter
->cmd_privileges
, 0);
3153 /* In UMC mode FW does not return right privileges.
3154 * Override with correct privilege equivalent to PF.
3156 if (be_is_mc(adapter
))
3157 adapter
->cmd_privileges
= MAX_PRIVILEGES
;
3159 en_flags
= BE_IF_FLAGS_UNTAGGED
| BE_IF_FLAGS_BROADCAST
|
3160 BE_IF_FLAGS_MULTICAST
| BE_IF_FLAGS_PASS_L3L4_ERRORS
;
3162 if (adapter
->function_caps
& BE_FUNCTION_CAPS_RSS
)
3163 en_flags
|= BE_IF_FLAGS_RSS
;
3165 en_flags
= en_flags
& adapter
->if_cap_flags
;
3167 status
= be_cmd_if_create(adapter
, adapter
->if_cap_flags
, en_flags
,
3168 &adapter
->if_handle
, 0);
3172 memset(mac
, 0, ETH_ALEN
);
3174 status
= be_get_mac_addr(adapter
, mac
, adapter
->if_handle
,
3175 &active_mac
, &adapter
->pmac_id
[0]);
3180 status
= be_cmd_pmac_add(adapter
, mac
, adapter
->if_handle
,
3181 &adapter
->pmac_id
[0], 0);
3186 if (is_zero_ether_addr(adapter
->netdev
->dev_addr
)) {
3187 memcpy(adapter
->netdev
->dev_addr
, mac
, ETH_ALEN
);
3188 memcpy(adapter
->netdev
->perm_addr
, mac
, ETH_ALEN
);
3191 status
= be_tx_qs_create(adapter
);
3195 be_cmd_get_fw_ver(adapter
, adapter
->fw_ver
, adapter
->fw_on_flash
);
3197 if (adapter
->vlans_added
)
3198 be_vid_config(adapter
);
3200 be_set_rx_mode(adapter
->netdev
);
3202 be_cmd_get_flow_control(adapter
, &tx_fc
, &rx_fc
);
3204 if (rx_fc
!= adapter
->rx_fc
|| tx_fc
!= adapter
->tx_fc
)
3205 be_cmd_set_flow_control(adapter
, adapter
->tx_fc
,
3208 if (be_physfn(adapter
)) {
3209 if (adapter
->dev_num_vfs
)
3210 be_vf_setup(adapter
);
3212 dev_warn(dev
, "device doesn't support SRIOV\n");
3215 status
= be_cmd_get_phy_info(adapter
);
3216 if (!status
&& be_pause_supported(adapter
))
3217 adapter
->phy
.fc_autoneg
= 1;
3219 schedule_delayed_work(&adapter
->work
, msecs_to_jiffies(1000));
3220 adapter
->flags
|= BE_FLAGS_WORKER_SCHEDULED
;
3227 #ifdef CONFIG_NET_POLL_CONTROLLER
3228 static void be_netpoll(struct net_device
*netdev
)
3230 struct be_adapter
*adapter
= netdev_priv(netdev
);
3231 struct be_eq_obj
*eqo
;
3234 for_all_evt_queues(adapter
, eqo
, i
) {
3235 be_eq_notify(eqo
->adapter
, eqo
->q
.id
, false, true, 0);
3236 napi_schedule(&eqo
->napi
);
3243 #define FW_FILE_HDR_SIGN "ServerEngines Corp. "
3244 char flash_cookie
[2][16] = {"*** SE FLAS", "H DIRECTORY *** "};
3246 static bool be_flash_redboot(struct be_adapter
*adapter
,
3247 const u8
*p
, u32 img_start
, int image_size
,
3254 crc_offset
= hdr_size
+ img_start
+ image_size
- 4;
3258 status
= be_cmd_get_flash_crc(adapter
, flashed_crc
,
3261 dev_err(&adapter
->pdev
->dev
,
3262 "could not get crc from flash, not flashing redboot\n");
3266 /*update redboot only if crc does not match*/
3267 if (!memcmp(flashed_crc
, p
, 4))
3273 static bool phy_flashing_required(struct be_adapter
*adapter
)
3275 return (adapter
->phy
.phy_type
== TN_8022
&&
3276 adapter
->phy
.interface_type
== PHY_TYPE_BASET_10GB
);
3279 static bool is_comp_in_ufi(struct be_adapter
*adapter
,
3280 struct flash_section_info
*fsec
, int type
)
3282 int i
= 0, img_type
= 0;
3283 struct flash_section_info_g2
*fsec_g2
= NULL
;
3285 if (BE2_chip(adapter
))
3286 fsec_g2
= (struct flash_section_info_g2
*)fsec
;
3288 for (i
= 0; i
< MAX_FLASH_COMP
; i
++) {
3290 img_type
= le32_to_cpu(fsec_g2
->fsec_entry
[i
].type
);
3292 img_type
= le32_to_cpu(fsec
->fsec_entry
[i
].type
);
3294 if (img_type
== type
)
3301 struct flash_section_info
*get_fsec_info(struct be_adapter
*adapter
,
3303 const struct firmware
*fw
)
3305 struct flash_section_info
*fsec
= NULL
;
3306 const u8
*p
= fw
->data
;
3309 while (p
< (fw
->data
+ fw
->size
)) {
3310 fsec
= (struct flash_section_info
*)p
;
3311 if (!memcmp(flash_cookie
, fsec
->cookie
, sizeof(flash_cookie
)))
3318 static int be_flash(struct be_adapter
*adapter
, const u8
*img
,
3319 struct be_dma_mem
*flash_cmd
, int optype
, int img_size
)
3321 u32 total_bytes
= 0, flash_op
, num_bytes
= 0;
3323 struct be_cmd_write_flashrom
*req
= flash_cmd
->va
;
3325 total_bytes
= img_size
;
3326 while (total_bytes
) {
3327 num_bytes
= min_t(u32
, 32*1024, total_bytes
);
3329 total_bytes
-= num_bytes
;
3332 if (optype
== OPTYPE_PHY_FW
)
3333 flash_op
= FLASHROM_OPER_PHY_FLASH
;
3335 flash_op
= FLASHROM_OPER_FLASH
;
3337 if (optype
== OPTYPE_PHY_FW
)
3338 flash_op
= FLASHROM_OPER_PHY_SAVE
;
3340 flash_op
= FLASHROM_OPER_SAVE
;
3343 memcpy(req
->data_buf
, img
, num_bytes
);
3345 status
= be_cmd_write_flashrom(adapter
, flash_cmd
, optype
,
3346 flash_op
, num_bytes
);
3348 if (status
== ILLEGAL_IOCTL_REQ
&&
3349 optype
== OPTYPE_PHY_FW
)
3351 dev_err(&adapter
->pdev
->dev
,
3352 "cmd to write to flash rom failed.\n");
3359 /* For BE2, BE3 and BE3-R */
3360 static int be_flash_BEx(struct be_adapter
*adapter
,
3361 const struct firmware
*fw
,
3362 struct be_dma_mem
*flash_cmd
,
3366 int status
= 0, i
, filehdr_size
= 0;
3367 int img_hdrs_size
= (num_of_images
* sizeof(struct image_hdr
));
3368 const u8
*p
= fw
->data
;
3369 const struct flash_comp
*pflashcomp
;
3370 int num_comp
, redboot
;
3371 struct flash_section_info
*fsec
= NULL
;
3373 struct flash_comp gen3_flash_types
[] = {
3374 { FLASH_iSCSI_PRIMARY_IMAGE_START_g3
, OPTYPE_ISCSI_ACTIVE
,
3375 FLASH_IMAGE_MAX_SIZE_g3
, IMAGE_FIRMWARE_iSCSI
},
3376 { FLASH_REDBOOT_START_g3
, OPTYPE_REDBOOT
,
3377 FLASH_REDBOOT_IMAGE_MAX_SIZE_g3
, IMAGE_BOOT_CODE
},
3378 { FLASH_iSCSI_BIOS_START_g3
, OPTYPE_BIOS
,
3379 FLASH_BIOS_IMAGE_MAX_SIZE_g3
, IMAGE_OPTION_ROM_ISCSI
},
3380 { FLASH_PXE_BIOS_START_g3
, OPTYPE_PXE_BIOS
,
3381 FLASH_BIOS_IMAGE_MAX_SIZE_g3
, IMAGE_OPTION_ROM_PXE
},
3382 { FLASH_FCoE_BIOS_START_g3
, OPTYPE_FCOE_BIOS
,
3383 FLASH_BIOS_IMAGE_MAX_SIZE_g3
, IMAGE_OPTION_ROM_FCoE
},
3384 { FLASH_iSCSI_BACKUP_IMAGE_START_g3
, OPTYPE_ISCSI_BACKUP
,
3385 FLASH_IMAGE_MAX_SIZE_g3
, IMAGE_FIRMWARE_BACKUP_iSCSI
},
3386 { FLASH_FCoE_PRIMARY_IMAGE_START_g3
, OPTYPE_FCOE_FW_ACTIVE
,
3387 FLASH_IMAGE_MAX_SIZE_g3
, IMAGE_FIRMWARE_FCoE
},
3388 { FLASH_FCoE_BACKUP_IMAGE_START_g3
, OPTYPE_FCOE_FW_BACKUP
,
3389 FLASH_IMAGE_MAX_SIZE_g3
, IMAGE_FIRMWARE_BACKUP_FCoE
},
3390 { FLASH_NCSI_START_g3
, OPTYPE_NCSI_FW
,
3391 FLASH_NCSI_IMAGE_MAX_SIZE_g3
, IMAGE_NCSI
},
3392 { FLASH_PHY_FW_START_g3
, OPTYPE_PHY_FW
,
3393 FLASH_PHY_FW_IMAGE_MAX_SIZE_g3
, IMAGE_FIRMWARE_PHY
}
3396 struct flash_comp gen2_flash_types
[] = {
3397 { FLASH_iSCSI_PRIMARY_IMAGE_START_g2
, OPTYPE_ISCSI_ACTIVE
,
3398 FLASH_IMAGE_MAX_SIZE_g2
, IMAGE_FIRMWARE_iSCSI
},
3399 { FLASH_REDBOOT_START_g2
, OPTYPE_REDBOOT
,
3400 FLASH_REDBOOT_IMAGE_MAX_SIZE_g2
, IMAGE_BOOT_CODE
},
3401 { FLASH_iSCSI_BIOS_START_g2
, OPTYPE_BIOS
,
3402 FLASH_BIOS_IMAGE_MAX_SIZE_g2
, IMAGE_OPTION_ROM_ISCSI
},
3403 { FLASH_PXE_BIOS_START_g2
, OPTYPE_PXE_BIOS
,
3404 FLASH_BIOS_IMAGE_MAX_SIZE_g2
, IMAGE_OPTION_ROM_PXE
},
3405 { FLASH_FCoE_BIOS_START_g2
, OPTYPE_FCOE_BIOS
,
3406 FLASH_BIOS_IMAGE_MAX_SIZE_g2
, IMAGE_OPTION_ROM_FCoE
},
3407 { FLASH_iSCSI_BACKUP_IMAGE_START_g2
, OPTYPE_ISCSI_BACKUP
,
3408 FLASH_IMAGE_MAX_SIZE_g2
, IMAGE_FIRMWARE_BACKUP_iSCSI
},
3409 { FLASH_FCoE_PRIMARY_IMAGE_START_g2
, OPTYPE_FCOE_FW_ACTIVE
,
3410 FLASH_IMAGE_MAX_SIZE_g2
, IMAGE_FIRMWARE_FCoE
},
3411 { FLASH_FCoE_BACKUP_IMAGE_START_g2
, OPTYPE_FCOE_FW_BACKUP
,
3412 FLASH_IMAGE_MAX_SIZE_g2
, IMAGE_FIRMWARE_BACKUP_FCoE
}
3415 if (BE3_chip(adapter
)) {
3416 pflashcomp
= gen3_flash_types
;
3417 filehdr_size
= sizeof(struct flash_file_hdr_g3
);
3418 num_comp
= ARRAY_SIZE(gen3_flash_types
);
3420 pflashcomp
= gen2_flash_types
;
3421 filehdr_size
= sizeof(struct flash_file_hdr_g2
);
3422 num_comp
= ARRAY_SIZE(gen2_flash_types
);
3425 /* Get flash section info*/
3426 fsec
= get_fsec_info(adapter
, filehdr_size
+ img_hdrs_size
, fw
);
3428 dev_err(&adapter
->pdev
->dev
,
3429 "Invalid Cookie. UFI corrupted ?\n");
3432 for (i
= 0; i
< num_comp
; i
++) {
3433 if (!is_comp_in_ufi(adapter
, fsec
, pflashcomp
[i
].img_type
))
3436 if ((pflashcomp
[i
].optype
== OPTYPE_NCSI_FW
) &&
3437 memcmp(adapter
->fw_ver
, "3.102.148.0", 11) < 0)
3440 if (pflashcomp
[i
].optype
== OPTYPE_PHY_FW
&&
3441 !phy_flashing_required(adapter
))
3444 if (pflashcomp
[i
].optype
== OPTYPE_REDBOOT
) {
3445 redboot
= be_flash_redboot(adapter
, fw
->data
,
3446 pflashcomp
[i
].offset
, pflashcomp
[i
].size
,
3447 filehdr_size
+ img_hdrs_size
);
3453 p
+= filehdr_size
+ pflashcomp
[i
].offset
+ img_hdrs_size
;
3454 if (p
+ pflashcomp
[i
].size
> fw
->data
+ fw
->size
)
3457 status
= be_flash(adapter
, p
, flash_cmd
, pflashcomp
[i
].optype
,
3458 pflashcomp
[i
].size
);
3460 dev_err(&adapter
->pdev
->dev
,
3461 "Flashing section type %d failed.\n",
3462 pflashcomp
[i
].img_type
);
3469 static int be_flash_skyhawk(struct be_adapter
*adapter
,
3470 const struct firmware
*fw
,
3471 struct be_dma_mem
*flash_cmd
, int num_of_images
)
3473 int status
= 0, i
, filehdr_size
= 0;
3474 int img_offset
, img_size
, img_optype
, redboot
;
3475 int img_hdrs_size
= num_of_images
* sizeof(struct image_hdr
);
3476 const u8
*p
= fw
->data
;
3477 struct flash_section_info
*fsec
= NULL
;
3479 filehdr_size
= sizeof(struct flash_file_hdr_g3
);
3480 fsec
= get_fsec_info(adapter
, filehdr_size
+ img_hdrs_size
, fw
);
3482 dev_err(&adapter
->pdev
->dev
,
3483 "Invalid Cookie. UFI corrupted ?\n");
3487 for (i
= 0; i
< le32_to_cpu(fsec
->fsec_hdr
.num_images
); i
++) {
3488 img_offset
= le32_to_cpu(fsec
->fsec_entry
[i
].offset
);
3489 img_size
= le32_to_cpu(fsec
->fsec_entry
[i
].pad_size
);
3491 switch (le32_to_cpu(fsec
->fsec_entry
[i
].type
)) {
3492 case IMAGE_FIRMWARE_iSCSI
:
3493 img_optype
= OPTYPE_ISCSI_ACTIVE
;
3495 case IMAGE_BOOT_CODE
:
3496 img_optype
= OPTYPE_REDBOOT
;
3498 case IMAGE_OPTION_ROM_ISCSI
:
3499 img_optype
= OPTYPE_BIOS
;
3501 case IMAGE_OPTION_ROM_PXE
:
3502 img_optype
= OPTYPE_PXE_BIOS
;
3504 case IMAGE_OPTION_ROM_FCoE
:
3505 img_optype
= OPTYPE_FCOE_BIOS
;
3507 case IMAGE_FIRMWARE_BACKUP_iSCSI
:
3508 img_optype
= OPTYPE_ISCSI_BACKUP
;
3511 img_optype
= OPTYPE_NCSI_FW
;
3517 if (img_optype
== OPTYPE_REDBOOT
) {
3518 redboot
= be_flash_redboot(adapter
, fw
->data
,
3519 img_offset
, img_size
,
3520 filehdr_size
+ img_hdrs_size
);
3526 p
+= filehdr_size
+ img_offset
+ img_hdrs_size
;
3527 if (p
+ img_size
> fw
->data
+ fw
->size
)
3530 status
= be_flash(adapter
, p
, flash_cmd
, img_optype
, img_size
);
3532 dev_err(&adapter
->pdev
->dev
,
3533 "Flashing section type %d failed.\n",
3534 fsec
->fsec_entry
[i
].type
);
3541 static int lancer_fw_download(struct be_adapter
*adapter
,
3542 const struct firmware
*fw
)
3544 #define LANCER_FW_DOWNLOAD_CHUNK (32 * 1024)
3545 #define LANCER_FW_DOWNLOAD_LOCATION "/prg"
3546 struct be_dma_mem flash_cmd
;
3547 const u8
*data_ptr
= NULL
;
3548 u8
*dest_image_ptr
= NULL
;
3549 size_t image_size
= 0;
3551 u32 data_written
= 0;
3557 if (!IS_ALIGNED(fw
->size
, sizeof(u32
))) {
3558 dev_err(&adapter
->pdev
->dev
,
3559 "FW Image not properly aligned. "
3560 "Length must be 4 byte aligned.\n");
3562 goto lancer_fw_exit
;
3565 flash_cmd
.size
= sizeof(struct lancer_cmd_req_write_object
)
3566 + LANCER_FW_DOWNLOAD_CHUNK
;
3567 flash_cmd
.va
= dma_alloc_coherent(&adapter
->pdev
->dev
, flash_cmd
.size
,
3568 &flash_cmd
.dma
, GFP_KERNEL
);
3569 if (!flash_cmd
.va
) {
3571 goto lancer_fw_exit
;
3574 dest_image_ptr
= flash_cmd
.va
+
3575 sizeof(struct lancer_cmd_req_write_object
);
3576 image_size
= fw
->size
;
3577 data_ptr
= fw
->data
;
3579 while (image_size
) {
3580 chunk_size
= min_t(u32
, image_size
, LANCER_FW_DOWNLOAD_CHUNK
);
3582 /* Copy the image chunk content. */
3583 memcpy(dest_image_ptr
, data_ptr
, chunk_size
);
3585 status
= lancer_cmd_write_object(adapter
, &flash_cmd
,
3587 LANCER_FW_DOWNLOAD_LOCATION
,
3588 &data_written
, &change_status
,
3593 offset
+= data_written
;
3594 data_ptr
+= data_written
;
3595 image_size
-= data_written
;
3599 /* Commit the FW written */
3600 status
= lancer_cmd_write_object(adapter
, &flash_cmd
,
3602 LANCER_FW_DOWNLOAD_LOCATION
,
3603 &data_written
, &change_status
,
3607 dma_free_coherent(&adapter
->pdev
->dev
, flash_cmd
.size
, flash_cmd
.va
,
3610 dev_err(&adapter
->pdev
->dev
,
3611 "Firmware load error. "
3612 "Status code: 0x%x Additional Status: 0x%x\n",
3613 status
, add_status
);
3614 goto lancer_fw_exit
;
3617 if (change_status
== LANCER_FW_RESET_NEEDED
) {
3618 status
= lancer_physdev_ctrl(adapter
,
3619 PHYSDEV_CONTROL_FW_RESET_MASK
);
3621 dev_err(&adapter
->pdev
->dev
,
3622 "Adapter busy for FW reset.\n"
3623 "New FW will not be active.\n");
3624 goto lancer_fw_exit
;
3626 } else if (change_status
!= LANCER_NO_RESET_NEEDED
) {
3627 dev_err(&adapter
->pdev
->dev
,
3628 "System reboot required for new FW"
3632 dev_info(&adapter
->pdev
->dev
, "Firmware flashed successfully\n");
3639 #define UFI_TYPE3R 10
3641 static int be_get_ufi_type(struct be_adapter
*adapter
,
3642 struct flash_file_hdr_g3
*fhdr
)
3645 goto be_get_ufi_exit
;
3647 if (skyhawk_chip(adapter
) && fhdr
->build
[0] == '4')
3649 else if (BE3_chip(adapter
) && fhdr
->build
[0] == '3') {
3650 if (fhdr
->asic_type_rev
== 0x10)
3654 } else if (BE2_chip(adapter
) && fhdr
->build
[0] == '2')
3658 dev_err(&adapter
->pdev
->dev
,
3659 "UFI and Interface are not compatible for flashing\n");
3663 static int be_fw_download(struct be_adapter
*adapter
, const struct firmware
* fw
)
3665 struct flash_file_hdr_g3
*fhdr3
;
3666 struct image_hdr
*img_hdr_ptr
= NULL
;
3667 struct be_dma_mem flash_cmd
;
3669 int status
= 0, i
= 0, num_imgs
= 0, ufi_type
= 0;
3671 flash_cmd
.size
= sizeof(struct be_cmd_write_flashrom
);
3672 flash_cmd
.va
= dma_alloc_coherent(&adapter
->pdev
->dev
, flash_cmd
.size
,
3673 &flash_cmd
.dma
, GFP_KERNEL
);
3674 if (!flash_cmd
.va
) {
3680 fhdr3
= (struct flash_file_hdr_g3
*)p
;
3682 ufi_type
= be_get_ufi_type(adapter
, fhdr3
);
3684 num_imgs
= le32_to_cpu(fhdr3
->num_imgs
);
3685 for (i
= 0; i
< num_imgs
; i
++) {
3686 img_hdr_ptr
= (struct image_hdr
*)(fw
->data
+
3687 (sizeof(struct flash_file_hdr_g3
) +
3688 i
* sizeof(struct image_hdr
)));
3689 if (le32_to_cpu(img_hdr_ptr
->imageid
) == 1) {
3692 status
= be_flash_skyhawk(adapter
, fw
,
3693 &flash_cmd
, num_imgs
);
3696 status
= be_flash_BEx(adapter
, fw
, &flash_cmd
,
3700 /* Do not flash this ufi on BE3-R cards */
3701 if (adapter
->asic_rev
< 0x10)
3702 status
= be_flash_BEx(adapter
, fw
,
3707 dev_err(&adapter
->pdev
->dev
,
3708 "Can't load BE3 UFI on BE3R\n");
3714 if (ufi_type
== UFI_TYPE2
)
3715 status
= be_flash_BEx(adapter
, fw
, &flash_cmd
, 0);
3716 else if (ufi_type
== -1)
3719 dma_free_coherent(&adapter
->pdev
->dev
, flash_cmd
.size
, flash_cmd
.va
,
3722 dev_err(&adapter
->pdev
->dev
, "Firmware load error\n");
3726 dev_info(&adapter
->pdev
->dev
, "Firmware flashed successfully\n");
3732 int be_load_fw(struct be_adapter
*adapter
, u8
*fw_file
)
3734 const struct firmware
*fw
;
3737 if (!netif_running(adapter
->netdev
)) {
3738 dev_err(&adapter
->pdev
->dev
,
3739 "Firmware load not allowed (interface is down)\n");
3743 status
= request_firmware(&fw
, fw_file
, &adapter
->pdev
->dev
);
3747 dev_info(&adapter
->pdev
->dev
, "Flashing firmware file %s\n", fw_file
);
3749 if (lancer_chip(adapter
))
3750 status
= lancer_fw_download(adapter
, fw
);
3752 status
= be_fw_download(adapter
, fw
);
3755 be_cmd_get_fw_ver(adapter
, adapter
->fw_ver
,
3756 adapter
->fw_on_flash
);
3759 release_firmware(fw
);
3763 static const struct net_device_ops be_netdev_ops
= {
3764 .ndo_open
= be_open
,
3765 .ndo_stop
= be_close
,
3766 .ndo_start_xmit
= be_xmit
,
3767 .ndo_set_rx_mode
= be_set_rx_mode
,
3768 .ndo_set_mac_address
= be_mac_addr_set
,
3769 .ndo_change_mtu
= be_change_mtu
,
3770 .ndo_get_stats64
= be_get_stats64
,
3771 .ndo_validate_addr
= eth_validate_addr
,
3772 .ndo_vlan_rx_add_vid
= be_vlan_add_vid
,
3773 .ndo_vlan_rx_kill_vid
= be_vlan_rem_vid
,
3774 .ndo_set_vf_mac
= be_set_vf_mac
,
3775 .ndo_set_vf_vlan
= be_set_vf_vlan
,
3776 .ndo_set_vf_tx_rate
= be_set_vf_tx_rate
,
3777 .ndo_get_vf_config
= be_get_vf_config
,
3778 #ifdef CONFIG_NET_POLL_CONTROLLER
3779 .ndo_poll_controller
= be_netpoll
,
3783 static void be_netdev_init(struct net_device
*netdev
)
3785 struct be_adapter
*adapter
= netdev_priv(netdev
);
3786 struct be_eq_obj
*eqo
;
3789 netdev
->hw_features
|= NETIF_F_SG
| NETIF_F_TSO
| NETIF_F_TSO6
|
3790 NETIF_F_IP_CSUM
| NETIF_F_IPV6_CSUM
| NETIF_F_RXCSUM
|
3791 NETIF_F_HW_VLAN_CTAG_TX
;
3792 if (be_multi_rxq(adapter
))
3793 netdev
->hw_features
|= NETIF_F_RXHASH
;
3795 netdev
->features
|= netdev
->hw_features
|
3796 NETIF_F_HW_VLAN_CTAG_RX
| NETIF_F_HW_VLAN_CTAG_FILTER
;
3798 netdev
->vlan_features
|= NETIF_F_SG
| NETIF_F_TSO
| NETIF_F_TSO6
|
3799 NETIF_F_IP_CSUM
| NETIF_F_IPV6_CSUM
;
3801 netdev
->priv_flags
|= IFF_UNICAST_FLT
;
3803 netdev
->flags
|= IFF_MULTICAST
;
3805 netif_set_gso_max_size(netdev
, 65535 - ETH_HLEN
);
3807 netdev
->netdev_ops
= &be_netdev_ops
;
3809 SET_ETHTOOL_OPS(netdev
, &be_ethtool_ops
);
3811 for_all_evt_queues(adapter
, eqo
, i
)
3812 netif_napi_add(netdev
, &eqo
->napi
, be_poll
, BE_NAPI_WEIGHT
);
3815 static void be_unmap_pci_bars(struct be_adapter
*adapter
)
3818 pci_iounmap(adapter
->pdev
, adapter
->csr
);
3820 pci_iounmap(adapter
->pdev
, adapter
->db
);
3823 static int db_bar(struct be_adapter
*adapter
)
3825 if (lancer_chip(adapter
) || !be_physfn(adapter
))
3831 static int be_roce_map_pci_bars(struct be_adapter
*adapter
)
3833 if (skyhawk_chip(adapter
)) {
3834 adapter
->roce_db
.size
= 4096;
3835 adapter
->roce_db
.io_addr
= pci_resource_start(adapter
->pdev
,
3837 adapter
->roce_db
.total_size
= pci_resource_len(adapter
->pdev
,
3843 static int be_map_pci_bars(struct be_adapter
*adapter
)
3848 pci_read_config_dword(adapter
->pdev
, SLI_INTF_REG_OFFSET
, &sli_intf
);
3849 adapter
->if_type
= (sli_intf
& SLI_INTF_IF_TYPE_MASK
) >>
3850 SLI_INTF_IF_TYPE_SHIFT
;
3852 if (BEx_chip(adapter
) && be_physfn(adapter
)) {
3853 adapter
->csr
= pci_iomap(adapter
->pdev
, 2, 0);
3854 if (adapter
->csr
== NULL
)
3858 addr
= pci_iomap(adapter
->pdev
, db_bar(adapter
), 0);
3863 be_roce_map_pci_bars(adapter
);
3867 be_unmap_pci_bars(adapter
);
3871 static void be_ctrl_cleanup(struct be_adapter
*adapter
)
3873 struct be_dma_mem
*mem
= &adapter
->mbox_mem_alloced
;
3875 be_unmap_pci_bars(adapter
);
3878 dma_free_coherent(&adapter
->pdev
->dev
, mem
->size
, mem
->va
,
3881 mem
= &adapter
->rx_filter
;
3883 dma_free_coherent(&adapter
->pdev
->dev
, mem
->size
, mem
->va
,
3887 static int be_ctrl_init(struct be_adapter
*adapter
)
3889 struct be_dma_mem
*mbox_mem_alloc
= &adapter
->mbox_mem_alloced
;
3890 struct be_dma_mem
*mbox_mem_align
= &adapter
->mbox_mem
;
3891 struct be_dma_mem
*rx_filter
= &adapter
->rx_filter
;
3895 pci_read_config_dword(adapter
->pdev
, SLI_INTF_REG_OFFSET
, &sli_intf
);
3896 adapter
->sli_family
= (sli_intf
& SLI_INTF_FAMILY_MASK
) >>
3897 SLI_INTF_FAMILY_SHIFT
;
3898 adapter
->virtfn
= (sli_intf
& SLI_INTF_FT_MASK
) ? 1 : 0;
3900 status
= be_map_pci_bars(adapter
);
3904 mbox_mem_alloc
->size
= sizeof(struct be_mcc_mailbox
) + 16;
3905 mbox_mem_alloc
->va
= dma_alloc_coherent(&adapter
->pdev
->dev
,
3906 mbox_mem_alloc
->size
,
3907 &mbox_mem_alloc
->dma
,
3909 if (!mbox_mem_alloc
->va
) {
3911 goto unmap_pci_bars
;
3913 mbox_mem_align
->size
= sizeof(struct be_mcc_mailbox
);
3914 mbox_mem_align
->va
= PTR_ALIGN(mbox_mem_alloc
->va
, 16);
3915 mbox_mem_align
->dma
= PTR_ALIGN(mbox_mem_alloc
->dma
, 16);
3916 memset(mbox_mem_align
->va
, 0, sizeof(struct be_mcc_mailbox
));
3918 rx_filter
->size
= sizeof(struct be_cmd_req_rx_filter
);
3919 rx_filter
->va
= dma_alloc_coherent(&adapter
->pdev
->dev
, rx_filter
->size
,
3921 GFP_KERNEL
| __GFP_ZERO
);
3922 if (rx_filter
->va
== NULL
) {
3927 mutex_init(&adapter
->mbox_lock
);
3928 spin_lock_init(&adapter
->mcc_lock
);
3929 spin_lock_init(&adapter
->mcc_cq_lock
);
3931 init_completion(&adapter
->flash_compl
);
3932 pci_save_state(adapter
->pdev
);
3936 dma_free_coherent(&adapter
->pdev
->dev
, mbox_mem_alloc
->size
,
3937 mbox_mem_alloc
->va
, mbox_mem_alloc
->dma
);
3940 be_unmap_pci_bars(adapter
);
3946 static void be_stats_cleanup(struct be_adapter
*adapter
)
3948 struct be_dma_mem
*cmd
= &adapter
->stats_cmd
;
3951 dma_free_coherent(&adapter
->pdev
->dev
, cmd
->size
,
3955 static int be_stats_init(struct be_adapter
*adapter
)
3957 struct be_dma_mem
*cmd
= &adapter
->stats_cmd
;
3959 if (lancer_chip(adapter
))
3960 cmd
->size
= sizeof(struct lancer_cmd_req_pport_stats
);
3961 else if (BE2_chip(adapter
))
3962 cmd
->size
= sizeof(struct be_cmd_req_get_stats_v0
);
3964 /* BE3 and Skyhawk */
3965 cmd
->size
= sizeof(struct be_cmd_req_get_stats_v1
);
3967 cmd
->va
= dma_alloc_coherent(&adapter
->pdev
->dev
, cmd
->size
, &cmd
->dma
,
3968 GFP_KERNEL
| __GFP_ZERO
);
3969 if (cmd
->va
== NULL
)
3974 static void be_remove(struct pci_dev
*pdev
)
3976 struct be_adapter
*adapter
= pci_get_drvdata(pdev
);
3981 be_roce_dev_remove(adapter
);
3982 be_intr_set(adapter
, false);
3984 cancel_delayed_work_sync(&adapter
->func_recovery_work
);
3986 unregister_netdev(adapter
->netdev
);
3990 /* tell fw we're done with firing cmds */
3991 be_cmd_fw_clean(adapter
);
3993 be_stats_cleanup(adapter
);
3995 be_ctrl_cleanup(adapter
);
3997 pci_disable_pcie_error_reporting(pdev
);
3999 pci_set_drvdata(pdev
, NULL
);
4000 pci_release_regions(pdev
);
4001 pci_disable_device(pdev
);
4003 free_netdev(adapter
->netdev
);
4006 bool be_is_wol_supported(struct be_adapter
*adapter
)
4008 return ((adapter
->wol_cap
& BE_WOL_CAP
) &&
4009 !be_is_wol_excluded(adapter
)) ? true : false;
4012 u32
be_get_fw_log_level(struct be_adapter
*adapter
)
4014 struct be_dma_mem extfat_cmd
;
4015 struct be_fat_conf_params
*cfgs
;
4020 if (lancer_chip(adapter
))
4023 memset(&extfat_cmd
, 0, sizeof(struct be_dma_mem
));
4024 extfat_cmd
.size
= sizeof(struct be_cmd_resp_get_ext_fat_caps
);
4025 extfat_cmd
.va
= pci_alloc_consistent(adapter
->pdev
, extfat_cmd
.size
,
4028 if (!extfat_cmd
.va
) {
4029 dev_err(&adapter
->pdev
->dev
, "%s: Memory allocation failure\n",
4034 status
= be_cmd_get_ext_fat_capabilites(adapter
, &extfat_cmd
);
4036 cfgs
= (struct be_fat_conf_params
*)(extfat_cmd
.va
+
4037 sizeof(struct be_cmd_resp_hdr
));
4038 for (j
= 0; j
< le32_to_cpu(cfgs
->module
[0].num_modes
); j
++) {
4039 if (cfgs
->module
[0].trace_lvl
[j
].mode
== MODE_UART
)
4040 level
= cfgs
->module
[0].trace_lvl
[j
].dbg_lvl
;
4043 pci_free_consistent(adapter
->pdev
, extfat_cmd
.size
, extfat_cmd
.va
,
4049 static int be_get_initial_config(struct be_adapter
*adapter
)
4054 status
= be_cmd_get_cntl_attributes(adapter
);
4058 status
= be_cmd_get_acpi_wol_cap(adapter
);
4060 /* in case of a failure to get wol capabillities
4061 * check the exclusion list to determine WOL capability */
4062 if (!be_is_wol_excluded(adapter
))
4063 adapter
->wol_cap
|= BE_WOL_CAP
;
4066 if (be_is_wol_supported(adapter
))
4067 adapter
->wol
= true;
4069 /* Must be a power of 2 or else MODULO will BUG_ON */
4070 adapter
->be_get_temp_freq
= 64;
4072 level
= be_get_fw_log_level(adapter
);
4073 adapter
->msg_enable
= level
<= FW_LOG_LEVEL_DEFAULT
? NETIF_MSG_HW
: 0;
4078 static int lancer_recover_func(struct be_adapter
*adapter
)
4080 struct device
*dev
= &adapter
->pdev
->dev
;
4083 status
= lancer_test_and_set_rdy_state(adapter
);
4087 if (netif_running(adapter
->netdev
))
4088 be_close(adapter
->netdev
);
4092 be_clear_all_error(adapter
);
4094 status
= be_setup(adapter
);
4098 if (netif_running(adapter
->netdev
)) {
4099 status
= be_open(adapter
->netdev
);
4104 dev_err(dev
, "Error recovery successful\n");
4107 if (status
== -EAGAIN
)
4108 dev_err(dev
, "Waiting for resource provisioning\n");
4110 dev_err(dev
, "Error recovery failed\n");
4115 static void be_func_recovery_task(struct work_struct
*work
)
4117 struct be_adapter
*adapter
=
4118 container_of(work
, struct be_adapter
, func_recovery_work
.work
);
4121 be_detect_error(adapter
);
4123 if (adapter
->hw_error
&& lancer_chip(adapter
)) {
4126 netif_device_detach(adapter
->netdev
);
4129 status
= lancer_recover_func(adapter
);
4131 netif_device_attach(adapter
->netdev
);
4134 /* In Lancer, for all errors other than provisioning error (-EAGAIN),
4135 * no need to attempt further recovery.
4137 if (!status
|| status
== -EAGAIN
)
4138 schedule_delayed_work(&adapter
->func_recovery_work
,
4139 msecs_to_jiffies(1000));
4142 static void be_worker(struct work_struct
*work
)
4144 struct be_adapter
*adapter
=
4145 container_of(work
, struct be_adapter
, work
.work
);
4146 struct be_rx_obj
*rxo
;
4147 struct be_eq_obj
*eqo
;
4150 /* when interrupts are not yet enabled, just reap any pending
4151 * mcc completions */
4152 if (!netif_running(adapter
->netdev
)) {
4154 be_process_mcc(adapter
);
4159 if (!adapter
->stats_cmd_sent
) {
4160 if (lancer_chip(adapter
))
4161 lancer_cmd_get_pport_stats(adapter
,
4162 &adapter
->stats_cmd
);
4164 be_cmd_get_stats(adapter
, &adapter
->stats_cmd
);
4167 if (MODULO(adapter
->work_counter
, adapter
->be_get_temp_freq
) == 0)
4168 be_cmd_get_die_temperature(adapter
);
4170 for_all_rx_queues(adapter
, rxo
, i
) {
4171 if (rxo
->rx_post_starved
) {
4172 rxo
->rx_post_starved
= false;
4173 be_post_rx_frags(rxo
, GFP_KERNEL
);
4177 for_all_evt_queues(adapter
, eqo
, i
)
4178 be_eqd_update(adapter
, eqo
);
4181 adapter
->work_counter
++;
4182 schedule_delayed_work(&adapter
->work
, msecs_to_jiffies(1000));
4185 /* If any VFs are already enabled don't FLR the PF */
4186 static bool be_reset_required(struct be_adapter
*adapter
)
4188 return pci_num_vf(adapter
->pdev
) ? false : true;
4191 static char *mc_name(struct be_adapter
*adapter
)
4193 if (adapter
->function_mode
& FLEX10_MODE
)
4195 else if (adapter
->function_mode
& VNIC_MODE
)
4197 else if (adapter
->function_mode
& UMC_ENABLED
)
4203 static inline char *func_name(struct be_adapter
*adapter
)
4205 return be_physfn(adapter
) ? "PF" : "VF";
4208 static int be_probe(struct pci_dev
*pdev
, const struct pci_device_id
*pdev_id
)
4211 struct be_adapter
*adapter
;
4212 struct net_device
*netdev
;
4215 status
= pci_enable_device(pdev
);
4219 status
= pci_request_regions(pdev
, DRV_NAME
);
4222 pci_set_master(pdev
);
4224 netdev
= alloc_etherdev_mqs(sizeof(*adapter
), MAX_TX_QS
, MAX_RX_QS
);
4225 if (netdev
== NULL
) {
4229 adapter
= netdev_priv(netdev
);
4230 adapter
->pdev
= pdev
;
4231 pci_set_drvdata(pdev
, adapter
);
4232 adapter
->netdev
= netdev
;
4233 SET_NETDEV_DEV(netdev
, &pdev
->dev
);
4235 status
= dma_set_mask(&pdev
->dev
, DMA_BIT_MASK(64));
4237 status
= dma_set_coherent_mask(&pdev
->dev
, DMA_BIT_MASK(64));
4239 dev_err(&pdev
->dev
, "dma_set_coherent_mask failed\n");
4242 netdev
->features
|= NETIF_F_HIGHDMA
;
4244 status
= dma_set_mask(&pdev
->dev
, DMA_BIT_MASK(32));
4246 status
= dma_set_coherent_mask(&pdev
->dev
,
4249 dev_err(&pdev
->dev
, "Could not set PCI DMA Mask\n");
4254 status
= pci_enable_pcie_error_reporting(pdev
);
4256 dev_err(&pdev
->dev
, "Could not use PCIe error reporting\n");
4258 status
= be_ctrl_init(adapter
);
4262 /* sync up with fw's ready state */
4263 if (be_physfn(adapter
)) {
4264 status
= be_fw_wait_ready(adapter
);
4269 if (be_reset_required(adapter
)) {
4270 status
= be_cmd_reset_function(adapter
);
4274 /* Wait for interrupts to quiesce after an FLR */
4278 /* Allow interrupts for other ULPs running on NIC function */
4279 be_intr_set(adapter
, true);
4281 /* tell fw we're ready to fire cmds */
4282 status
= be_cmd_fw_init(adapter
);
4286 status
= be_stats_init(adapter
);
4290 status
= be_get_initial_config(adapter
);
4294 INIT_DELAYED_WORK(&adapter
->work
, be_worker
);
4295 INIT_DELAYED_WORK(&adapter
->func_recovery_work
, be_func_recovery_task
);
4296 adapter
->rx_fc
= adapter
->tx_fc
= true;
4298 status
= be_setup(adapter
);
4302 be_netdev_init(netdev
);
4303 status
= register_netdev(netdev
);
4307 be_roce_dev_add(adapter
);
4309 schedule_delayed_work(&adapter
->func_recovery_work
,
4310 msecs_to_jiffies(1000));
4312 be_cmd_query_port_name(adapter
, &port_name
);
4314 dev_info(&pdev
->dev
, "%s: %s %s port %c\n", nic_name(pdev
),
4315 func_name(adapter
), mc_name(adapter
), port_name
);
4322 be_stats_cleanup(adapter
);
4324 be_ctrl_cleanup(adapter
);
4326 free_netdev(netdev
);
4327 pci_set_drvdata(pdev
, NULL
);
4329 pci_release_regions(pdev
);
4331 pci_disable_device(pdev
);
4333 dev_err(&pdev
->dev
, "%s initialization failed\n", nic_name(pdev
));
4337 static int be_suspend(struct pci_dev
*pdev
, pm_message_t state
)
4339 struct be_adapter
*adapter
= pci_get_drvdata(pdev
);
4340 struct net_device
*netdev
= adapter
->netdev
;
4343 be_setup_wol(adapter
, true);
4345 cancel_delayed_work_sync(&adapter
->func_recovery_work
);
4347 netif_device_detach(netdev
);
4348 if (netif_running(netdev
)) {
4355 pci_save_state(pdev
);
4356 pci_disable_device(pdev
);
4357 pci_set_power_state(pdev
, pci_choose_state(pdev
, state
));
4361 static int be_resume(struct pci_dev
*pdev
)
4364 struct be_adapter
*adapter
= pci_get_drvdata(pdev
);
4365 struct net_device
*netdev
= adapter
->netdev
;
4367 netif_device_detach(netdev
);
4369 status
= pci_enable_device(pdev
);
4373 pci_set_power_state(pdev
, PCI_D0
);
4374 pci_restore_state(pdev
);
4376 /* tell fw we're ready to fire cmds */
4377 status
= be_cmd_fw_init(adapter
);
4382 if (netif_running(netdev
)) {
4388 schedule_delayed_work(&adapter
->func_recovery_work
,
4389 msecs_to_jiffies(1000));
4390 netif_device_attach(netdev
);
4393 be_setup_wol(adapter
, false);
4399 * An FLR will stop BE from DMAing any data.
4401 static void be_shutdown(struct pci_dev
*pdev
)
4403 struct be_adapter
*adapter
= pci_get_drvdata(pdev
);
4408 cancel_delayed_work_sync(&adapter
->work
);
4409 cancel_delayed_work_sync(&adapter
->func_recovery_work
);
4411 netif_device_detach(adapter
->netdev
);
4413 be_cmd_reset_function(adapter
);
4415 pci_disable_device(pdev
);
4418 static pci_ers_result_t
be_eeh_err_detected(struct pci_dev
*pdev
,
4419 pci_channel_state_t state
)
4421 struct be_adapter
*adapter
= pci_get_drvdata(pdev
);
4422 struct net_device
*netdev
= adapter
->netdev
;
4424 dev_err(&adapter
->pdev
->dev
, "EEH error detected\n");
4426 if (!adapter
->eeh_error
) {
4427 adapter
->eeh_error
= true;
4429 cancel_delayed_work_sync(&adapter
->func_recovery_work
);
4432 netif_device_detach(netdev
);
4433 if (netif_running(netdev
))
4440 if (state
== pci_channel_io_perm_failure
)
4441 return PCI_ERS_RESULT_DISCONNECT
;
4443 pci_disable_device(pdev
);
4445 /* The error could cause the FW to trigger a flash debug dump.
4446 * Resetting the card while flash dump is in progress
4447 * can cause it not to recover; wait for it to finish.
4448 * Wait only for first function as it is needed only once per
4451 if (pdev
->devfn
== 0)
4454 return PCI_ERS_RESULT_NEED_RESET
;
4457 static pci_ers_result_t
be_eeh_reset(struct pci_dev
*pdev
)
4459 struct be_adapter
*adapter
= pci_get_drvdata(pdev
);
4462 dev_info(&adapter
->pdev
->dev
, "EEH reset\n");
4464 status
= pci_enable_device(pdev
);
4466 return PCI_ERS_RESULT_DISCONNECT
;
4468 pci_set_master(pdev
);
4469 pci_set_power_state(pdev
, PCI_D0
);
4470 pci_restore_state(pdev
);
4472 /* Check if card is ok and fw is ready */
4473 dev_info(&adapter
->pdev
->dev
,
4474 "Waiting for FW to be ready after EEH reset\n");
4475 status
= be_fw_wait_ready(adapter
);
4477 return PCI_ERS_RESULT_DISCONNECT
;
4479 pci_cleanup_aer_uncorrect_error_status(pdev
);
4480 be_clear_all_error(adapter
);
4481 return PCI_ERS_RESULT_RECOVERED
;
4484 static void be_eeh_resume(struct pci_dev
*pdev
)
4487 struct be_adapter
*adapter
= pci_get_drvdata(pdev
);
4488 struct net_device
*netdev
= adapter
->netdev
;
4490 dev_info(&adapter
->pdev
->dev
, "EEH resume\n");
4492 pci_save_state(pdev
);
4494 status
= be_cmd_reset_function(adapter
);
4498 /* tell fw we're ready to fire cmds */
4499 status
= be_cmd_fw_init(adapter
);
4503 status
= be_setup(adapter
);
4507 if (netif_running(netdev
)) {
4508 status
= be_open(netdev
);
4513 schedule_delayed_work(&adapter
->func_recovery_work
,
4514 msecs_to_jiffies(1000));
4515 netif_device_attach(netdev
);
4518 dev_err(&adapter
->pdev
->dev
, "EEH resume failed\n");
4521 static const struct pci_error_handlers be_eeh_handlers
= {
4522 .error_detected
= be_eeh_err_detected
,
4523 .slot_reset
= be_eeh_reset
,
4524 .resume
= be_eeh_resume
,
4527 static struct pci_driver be_driver
= {
4529 .id_table
= be_dev_ids
,
4531 .remove
= be_remove
,
4532 .suspend
= be_suspend
,
4533 .resume
= be_resume
,
4534 .shutdown
= be_shutdown
,
4535 .err_handler
= &be_eeh_handlers
4538 static int __init
be_init_module(void)
4540 if (rx_frag_size
!= 8192 && rx_frag_size
!= 4096 &&
4541 rx_frag_size
!= 2048) {
4542 printk(KERN_WARNING DRV_NAME
4543 " : Module param rx_frag_size must be 2048/4096/8192."
4545 rx_frag_size
= 2048;
4548 return pci_register_driver(&be_driver
);
4550 module_init(be_init_module
);
4552 static void __exit
be_exit_module(void)
4554 pci_unregister_driver(&be_driver
);
4556 module_exit(be_exit_module
);