2 * Copyright (C) 2005 - 2013 Emulex
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License version 2
7 * as published by the Free Software Foundation. The full GNU General
8 * Public License is included in this distribution in the file called COPYING.
10 * Contact Information:
11 * linux-drivers@emulex.com
15 * Costa Mesa, CA 92626
18 #include <linux/prefetch.h>
19 #include <linux/module.h>
22 #include <asm/div64.h>
23 #include <linux/aer.h>
24 #include <linux/if_bridge.h>
26 MODULE_VERSION(DRV_VER
);
27 MODULE_DEVICE_TABLE(pci
, be_dev_ids
);
28 MODULE_DESCRIPTION(DRV_DESC
" " DRV_VER
);
29 MODULE_AUTHOR("Emulex Corporation");
30 MODULE_LICENSE("GPL");
32 static unsigned int num_vfs
;
33 module_param(num_vfs
, uint
, S_IRUGO
);
34 MODULE_PARM_DESC(num_vfs
, "Number of PCI VFs to initialize");
36 static ushort rx_frag_size
= 2048;
37 module_param(rx_frag_size
, ushort
, S_IRUGO
);
38 MODULE_PARM_DESC(rx_frag_size
, "Size of a fragment that holds rcvd data.");
40 static DEFINE_PCI_DEVICE_TABLE(be_dev_ids
) = {
41 { PCI_DEVICE(BE_VENDOR_ID
, BE_DEVICE_ID1
) },
42 { PCI_DEVICE(BE_VENDOR_ID
, BE_DEVICE_ID2
) },
43 { PCI_DEVICE(BE_VENDOR_ID
, OC_DEVICE_ID1
) },
44 { PCI_DEVICE(BE_VENDOR_ID
, OC_DEVICE_ID2
) },
45 { PCI_DEVICE(EMULEX_VENDOR_ID
, OC_DEVICE_ID3
)},
46 { PCI_DEVICE(EMULEX_VENDOR_ID
, OC_DEVICE_ID4
)},
47 { PCI_DEVICE(EMULEX_VENDOR_ID
, OC_DEVICE_ID5
)},
48 { PCI_DEVICE(EMULEX_VENDOR_ID
, OC_DEVICE_ID6
)},
51 MODULE_DEVICE_TABLE(pci
, be_dev_ids
);
52 /* UE Status Low CSR */
53 static const char * const ue_status_low_desc
[] = {
87 /* UE Status High CSR */
88 static const char * const ue_status_hi_desc
[] = {
123 /* Is BE in a multi-channel mode */
124 static inline bool be_is_mc(struct be_adapter
*adapter
) {
125 return (adapter
->function_mode
& FLEX10_MODE
||
126 adapter
->function_mode
& VNIC_MODE
||
127 adapter
->function_mode
& UMC_ENABLED
);
130 static void be_queue_free(struct be_adapter
*adapter
, struct be_queue_info
*q
)
132 struct be_dma_mem
*mem
= &q
->dma_mem
;
134 dma_free_coherent(&adapter
->pdev
->dev
, mem
->size
, mem
->va
,
140 static int be_queue_alloc(struct be_adapter
*adapter
, struct be_queue_info
*q
,
141 u16 len
, u16 entry_size
)
143 struct be_dma_mem
*mem
= &q
->dma_mem
;
145 memset(q
, 0, sizeof(*q
));
147 q
->entry_size
= entry_size
;
148 mem
->size
= len
* entry_size
;
149 mem
->va
= dma_zalloc_coherent(&adapter
->pdev
->dev
, mem
->size
, &mem
->dma
,
156 static void be_reg_intr_set(struct be_adapter
*adapter
, bool enable
)
160 pci_read_config_dword(adapter
->pdev
, PCICFG_MEMBAR_CTRL_INT_CTRL_OFFSET
,
162 enabled
= reg
& MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK
;
164 if (!enabled
&& enable
)
165 reg
|= MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK
;
166 else if (enabled
&& !enable
)
167 reg
&= ~MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK
;
171 pci_write_config_dword(adapter
->pdev
,
172 PCICFG_MEMBAR_CTRL_INT_CTRL_OFFSET
, reg
);
175 static void be_intr_set(struct be_adapter
*adapter
, bool enable
)
179 /* On lancer interrupts can't be controlled via this register */
180 if (lancer_chip(adapter
))
183 if (adapter
->eeh_error
)
186 status
= be_cmd_intr_set(adapter
, enable
);
188 be_reg_intr_set(adapter
, enable
);
191 static void be_rxq_notify(struct be_adapter
*adapter
, u16 qid
, u16 posted
)
194 val
|= qid
& DB_RQ_RING_ID_MASK
;
195 val
|= posted
<< DB_RQ_NUM_POSTED_SHIFT
;
198 iowrite32(val
, adapter
->db
+ DB_RQ_OFFSET
);
201 static void be_txq_notify(struct be_adapter
*adapter
, struct be_tx_obj
*txo
,
205 val
|= txo
->q
.id
& DB_TXULP_RING_ID_MASK
;
206 val
|= (posted
& DB_TXULP_NUM_POSTED_MASK
) << DB_TXULP_NUM_POSTED_SHIFT
;
209 iowrite32(val
, adapter
->db
+ txo
->db_offset
);
212 static void be_eq_notify(struct be_adapter
*adapter
, u16 qid
,
213 bool arm
, bool clear_int
, u16 num_popped
)
216 val
|= qid
& DB_EQ_RING_ID_MASK
;
217 val
|= ((qid
& DB_EQ_RING_ID_EXT_MASK
) <<
218 DB_EQ_RING_ID_EXT_MASK_SHIFT
);
220 if (adapter
->eeh_error
)
224 val
|= 1 << DB_EQ_REARM_SHIFT
;
226 val
|= 1 << DB_EQ_CLR_SHIFT
;
227 val
|= 1 << DB_EQ_EVNT_SHIFT
;
228 val
|= num_popped
<< DB_EQ_NUM_POPPED_SHIFT
;
229 iowrite32(val
, adapter
->db
+ DB_EQ_OFFSET
);
232 void be_cq_notify(struct be_adapter
*adapter
, u16 qid
, bool arm
, u16 num_popped
)
235 val
|= qid
& DB_CQ_RING_ID_MASK
;
236 val
|= ((qid
& DB_CQ_RING_ID_EXT_MASK
) <<
237 DB_CQ_RING_ID_EXT_MASK_SHIFT
);
239 if (adapter
->eeh_error
)
243 val
|= 1 << DB_CQ_REARM_SHIFT
;
244 val
|= num_popped
<< DB_CQ_NUM_POPPED_SHIFT
;
245 iowrite32(val
, adapter
->db
+ DB_CQ_OFFSET
);
248 static int be_mac_addr_set(struct net_device
*netdev
, void *p
)
250 struct be_adapter
*adapter
= netdev_priv(netdev
);
251 struct device
*dev
= &adapter
->pdev
->dev
;
252 struct sockaddr
*addr
= p
;
255 u32 old_pmac_id
= adapter
->pmac_id
[0], curr_pmac_id
= 0;
257 if (!is_valid_ether_addr(addr
->sa_data
))
258 return -EADDRNOTAVAIL
;
260 /* The PMAC_ADD cmd may fail if the VF doesn't have FILTMGMT
261 * privilege or if PF did not provision the new MAC address.
262 * On BE3, this cmd will always fail if the VF doesn't have the
263 * FILTMGMT privilege. This failure is OK, only if the PF programmed
264 * the MAC for the VF.
266 status
= be_cmd_pmac_add(adapter
, (u8
*)addr
->sa_data
,
267 adapter
->if_handle
, &adapter
->pmac_id
[0], 0);
269 curr_pmac_id
= adapter
->pmac_id
[0];
271 /* Delete the old programmed MAC. This call may fail if the
272 * old MAC was already deleted by the PF driver.
274 if (adapter
->pmac_id
[0] != old_pmac_id
)
275 be_cmd_pmac_del(adapter
, adapter
->if_handle
,
279 /* Decide if the new MAC is successfully activated only after
282 status
= be_cmd_get_active_mac(adapter
, curr_pmac_id
, mac
);
286 /* The MAC change did not happen, either due to lack of privilege
287 * or PF didn't pre-provision.
289 if (memcmp(addr
->sa_data
, mac
, ETH_ALEN
)) {
294 memcpy(netdev
->dev_addr
, addr
->sa_data
, netdev
->addr_len
);
295 dev_info(dev
, "MAC address changed to %pM\n", mac
);
298 dev_warn(dev
, "MAC address change to %pM failed\n", addr
->sa_data
);
302 /* BE2 supports only v0 cmd */
303 static void *hw_stats_from_cmd(struct be_adapter
*adapter
)
305 if (BE2_chip(adapter
)) {
306 struct be_cmd_resp_get_stats_v0
*cmd
= adapter
->stats_cmd
.va
;
308 return &cmd
->hw_stats
;
310 struct be_cmd_resp_get_stats_v1
*cmd
= adapter
->stats_cmd
.va
;
312 return &cmd
->hw_stats
;
316 /* BE2 supports only v0 cmd */
317 static void *be_erx_stats_from_cmd(struct be_adapter
*adapter
)
319 if (BE2_chip(adapter
)) {
320 struct be_hw_stats_v0
*hw_stats
= hw_stats_from_cmd(adapter
);
322 return &hw_stats
->erx
;
324 struct be_hw_stats_v1
*hw_stats
= hw_stats_from_cmd(adapter
);
326 return &hw_stats
->erx
;
330 static void populate_be_v0_stats(struct be_adapter
*adapter
)
332 struct be_hw_stats_v0
*hw_stats
= hw_stats_from_cmd(adapter
);
333 struct be_pmem_stats
*pmem_sts
= &hw_stats
->pmem
;
334 struct be_rxf_stats_v0
*rxf_stats
= &hw_stats
->rxf
;
335 struct be_port_rxf_stats_v0
*port_stats
=
336 &rxf_stats
->port
[adapter
->port_num
];
337 struct be_drv_stats
*drvs
= &adapter
->drv_stats
;
339 be_dws_le_to_cpu(hw_stats
, sizeof(*hw_stats
));
340 drvs
->rx_pause_frames
= port_stats
->rx_pause_frames
;
341 drvs
->rx_crc_errors
= port_stats
->rx_crc_errors
;
342 drvs
->rx_control_frames
= port_stats
->rx_control_frames
;
343 drvs
->rx_in_range_errors
= port_stats
->rx_in_range_errors
;
344 drvs
->rx_frame_too_long
= port_stats
->rx_frame_too_long
;
345 drvs
->rx_dropped_runt
= port_stats
->rx_dropped_runt
;
346 drvs
->rx_ip_checksum_errs
= port_stats
->rx_ip_checksum_errs
;
347 drvs
->rx_tcp_checksum_errs
= port_stats
->rx_tcp_checksum_errs
;
348 drvs
->rx_udp_checksum_errs
= port_stats
->rx_udp_checksum_errs
;
349 drvs
->rxpp_fifo_overflow_drop
= port_stats
->rx_fifo_overflow
;
350 drvs
->rx_dropped_tcp_length
= port_stats
->rx_dropped_tcp_length
;
351 drvs
->rx_dropped_too_small
= port_stats
->rx_dropped_too_small
;
352 drvs
->rx_dropped_too_short
= port_stats
->rx_dropped_too_short
;
353 drvs
->rx_out_range_errors
= port_stats
->rx_out_range_errors
;
354 drvs
->rx_input_fifo_overflow_drop
= port_stats
->rx_input_fifo_overflow
;
355 drvs
->rx_dropped_header_too_small
=
356 port_stats
->rx_dropped_header_too_small
;
357 drvs
->rx_address_filtered
=
358 port_stats
->rx_address_filtered
+
359 port_stats
->rx_vlan_filtered
;
360 drvs
->rx_alignment_symbol_errors
=
361 port_stats
->rx_alignment_symbol_errors
;
363 drvs
->tx_pauseframes
= port_stats
->tx_pauseframes
;
364 drvs
->tx_controlframes
= port_stats
->tx_controlframes
;
366 if (adapter
->port_num
)
367 drvs
->jabber_events
= rxf_stats
->port1_jabber_events
;
369 drvs
->jabber_events
= rxf_stats
->port0_jabber_events
;
370 drvs
->rx_drops_no_pbuf
= rxf_stats
->rx_drops_no_pbuf
;
371 drvs
->rx_drops_no_erx_descr
= rxf_stats
->rx_drops_no_erx_descr
;
372 drvs
->forwarded_packets
= rxf_stats
->forwarded_packets
;
373 drvs
->rx_drops_mtu
= rxf_stats
->rx_drops_mtu
;
374 drvs
->rx_drops_no_tpre_descr
= rxf_stats
->rx_drops_no_tpre_descr
;
375 drvs
->rx_drops_too_many_frags
= rxf_stats
->rx_drops_too_many_frags
;
376 adapter
->drv_stats
.eth_red_drops
= pmem_sts
->eth_red_drops
;
379 static void populate_be_v1_stats(struct be_adapter
*adapter
)
381 struct be_hw_stats_v1
*hw_stats
= hw_stats_from_cmd(adapter
);
382 struct be_pmem_stats
*pmem_sts
= &hw_stats
->pmem
;
383 struct be_rxf_stats_v1
*rxf_stats
= &hw_stats
->rxf
;
384 struct be_port_rxf_stats_v1
*port_stats
=
385 &rxf_stats
->port
[adapter
->port_num
];
386 struct be_drv_stats
*drvs
= &adapter
->drv_stats
;
388 be_dws_le_to_cpu(hw_stats
, sizeof(*hw_stats
));
389 drvs
->pmem_fifo_overflow_drop
= port_stats
->pmem_fifo_overflow_drop
;
390 drvs
->rx_priority_pause_frames
= port_stats
->rx_priority_pause_frames
;
391 drvs
->rx_pause_frames
= port_stats
->rx_pause_frames
;
392 drvs
->rx_crc_errors
= port_stats
->rx_crc_errors
;
393 drvs
->rx_control_frames
= port_stats
->rx_control_frames
;
394 drvs
->rx_in_range_errors
= port_stats
->rx_in_range_errors
;
395 drvs
->rx_frame_too_long
= port_stats
->rx_frame_too_long
;
396 drvs
->rx_dropped_runt
= port_stats
->rx_dropped_runt
;
397 drvs
->rx_ip_checksum_errs
= port_stats
->rx_ip_checksum_errs
;
398 drvs
->rx_tcp_checksum_errs
= port_stats
->rx_tcp_checksum_errs
;
399 drvs
->rx_udp_checksum_errs
= port_stats
->rx_udp_checksum_errs
;
400 drvs
->rx_dropped_tcp_length
= port_stats
->rx_dropped_tcp_length
;
401 drvs
->rx_dropped_too_small
= port_stats
->rx_dropped_too_small
;
402 drvs
->rx_dropped_too_short
= port_stats
->rx_dropped_too_short
;
403 drvs
->rx_out_range_errors
= port_stats
->rx_out_range_errors
;
404 drvs
->rx_dropped_header_too_small
=
405 port_stats
->rx_dropped_header_too_small
;
406 drvs
->rx_input_fifo_overflow_drop
=
407 port_stats
->rx_input_fifo_overflow_drop
;
408 drvs
->rx_address_filtered
= port_stats
->rx_address_filtered
;
409 drvs
->rx_alignment_symbol_errors
=
410 port_stats
->rx_alignment_symbol_errors
;
411 drvs
->rxpp_fifo_overflow_drop
= port_stats
->rxpp_fifo_overflow_drop
;
412 drvs
->tx_pauseframes
= port_stats
->tx_pauseframes
;
413 drvs
->tx_controlframes
= port_stats
->tx_controlframes
;
414 drvs
->tx_priority_pauseframes
= port_stats
->tx_priority_pauseframes
;
415 drvs
->jabber_events
= port_stats
->jabber_events
;
416 drvs
->rx_drops_no_pbuf
= rxf_stats
->rx_drops_no_pbuf
;
417 drvs
->rx_drops_no_erx_descr
= rxf_stats
->rx_drops_no_erx_descr
;
418 drvs
->forwarded_packets
= rxf_stats
->forwarded_packets
;
419 drvs
->rx_drops_mtu
= rxf_stats
->rx_drops_mtu
;
420 drvs
->rx_drops_no_tpre_descr
= rxf_stats
->rx_drops_no_tpre_descr
;
421 drvs
->rx_drops_too_many_frags
= rxf_stats
->rx_drops_too_many_frags
;
422 adapter
->drv_stats
.eth_red_drops
= pmem_sts
->eth_red_drops
;
425 static void populate_lancer_stats(struct be_adapter
*adapter
)
428 struct be_drv_stats
*drvs
= &adapter
->drv_stats
;
429 struct lancer_pport_stats
*pport_stats
=
430 pport_stats_from_cmd(adapter
);
432 be_dws_le_to_cpu(pport_stats
, sizeof(*pport_stats
));
433 drvs
->rx_pause_frames
= pport_stats
->rx_pause_frames_lo
;
434 drvs
->rx_crc_errors
= pport_stats
->rx_crc_errors_lo
;
435 drvs
->rx_control_frames
= pport_stats
->rx_control_frames_lo
;
436 drvs
->rx_in_range_errors
= pport_stats
->rx_in_range_errors
;
437 drvs
->rx_frame_too_long
= pport_stats
->rx_frames_too_long_lo
;
438 drvs
->rx_dropped_runt
= pport_stats
->rx_dropped_runt
;
439 drvs
->rx_ip_checksum_errs
= pport_stats
->rx_ip_checksum_errors
;
440 drvs
->rx_tcp_checksum_errs
= pport_stats
->rx_tcp_checksum_errors
;
441 drvs
->rx_udp_checksum_errs
= pport_stats
->rx_udp_checksum_errors
;
442 drvs
->rx_dropped_tcp_length
=
443 pport_stats
->rx_dropped_invalid_tcp_length
;
444 drvs
->rx_dropped_too_small
= pport_stats
->rx_dropped_too_small
;
445 drvs
->rx_dropped_too_short
= pport_stats
->rx_dropped_too_short
;
446 drvs
->rx_out_range_errors
= pport_stats
->rx_out_of_range_errors
;
447 drvs
->rx_dropped_header_too_small
=
448 pport_stats
->rx_dropped_header_too_small
;
449 drvs
->rx_input_fifo_overflow_drop
= pport_stats
->rx_fifo_overflow
;
450 drvs
->rx_address_filtered
=
451 pport_stats
->rx_address_filtered
+
452 pport_stats
->rx_vlan_filtered
;
453 drvs
->rx_alignment_symbol_errors
= pport_stats
->rx_symbol_errors_lo
;
454 drvs
->rxpp_fifo_overflow_drop
= pport_stats
->rx_fifo_overflow
;
455 drvs
->tx_pauseframes
= pport_stats
->tx_pause_frames_lo
;
456 drvs
->tx_controlframes
= pport_stats
->tx_control_frames_lo
;
457 drvs
->jabber_events
= pport_stats
->rx_jabbers
;
458 drvs
->forwarded_packets
= pport_stats
->num_forwards_lo
;
459 drvs
->rx_drops_mtu
= pport_stats
->rx_drops_mtu_lo
;
460 drvs
->rx_drops_too_many_frags
=
461 pport_stats
->rx_drops_too_many_frags_lo
;
464 static void accumulate_16bit_val(u32
*acc
, u16 val
)
466 #define lo(x) (x & 0xFFFF)
467 #define hi(x) (x & 0xFFFF0000)
468 bool wrapped
= val
< lo(*acc
);
469 u32 newacc
= hi(*acc
) + val
;
473 ACCESS_ONCE(*acc
) = newacc
;
476 static void populate_erx_stats(struct be_adapter
*adapter
,
477 struct be_rx_obj
*rxo
,
480 if (!BEx_chip(adapter
))
481 rx_stats(rxo
)->rx_drops_no_frags
= erx_stat
;
483 /* below erx HW counter can actually wrap around after
484 * 65535. Driver accumulates a 32-bit value
486 accumulate_16bit_val(&rx_stats(rxo
)->rx_drops_no_frags
,
490 void be_parse_stats(struct be_adapter
*adapter
)
492 struct be_erx_stats_v1
*erx
= be_erx_stats_from_cmd(adapter
);
493 struct be_rx_obj
*rxo
;
497 if (lancer_chip(adapter
)) {
498 populate_lancer_stats(adapter
);
500 if (BE2_chip(adapter
))
501 populate_be_v0_stats(adapter
);
503 /* for BE3 and Skyhawk */
504 populate_be_v1_stats(adapter
);
506 /* as erx_v1 is longer than v0, ok to use v1 for v0 access */
507 for_all_rx_queues(adapter
, rxo
, i
) {
508 erx_stat
= erx
->rx_drops_no_fragments
[rxo
->q
.id
];
509 populate_erx_stats(adapter
, rxo
, erx_stat
);
514 static struct rtnl_link_stats64
*be_get_stats64(struct net_device
*netdev
,
515 struct rtnl_link_stats64
*stats
)
517 struct be_adapter
*adapter
= netdev_priv(netdev
);
518 struct be_drv_stats
*drvs
= &adapter
->drv_stats
;
519 struct be_rx_obj
*rxo
;
520 struct be_tx_obj
*txo
;
525 for_all_rx_queues(adapter
, rxo
, i
) {
526 const struct be_rx_stats
*rx_stats
= rx_stats(rxo
);
528 start
= u64_stats_fetch_begin_bh(&rx_stats
->sync
);
529 pkts
= rx_stats(rxo
)->rx_pkts
;
530 bytes
= rx_stats(rxo
)->rx_bytes
;
531 } while (u64_stats_fetch_retry_bh(&rx_stats
->sync
, start
));
532 stats
->rx_packets
+= pkts
;
533 stats
->rx_bytes
+= bytes
;
534 stats
->multicast
+= rx_stats(rxo
)->rx_mcast_pkts
;
535 stats
->rx_dropped
+= rx_stats(rxo
)->rx_drops_no_skbs
+
536 rx_stats(rxo
)->rx_drops_no_frags
;
539 for_all_tx_queues(adapter
, txo
, i
) {
540 const struct be_tx_stats
*tx_stats
= tx_stats(txo
);
542 start
= u64_stats_fetch_begin_bh(&tx_stats
->sync
);
543 pkts
= tx_stats(txo
)->tx_pkts
;
544 bytes
= tx_stats(txo
)->tx_bytes
;
545 } while (u64_stats_fetch_retry_bh(&tx_stats
->sync
, start
));
546 stats
->tx_packets
+= pkts
;
547 stats
->tx_bytes
+= bytes
;
550 /* bad pkts received */
551 stats
->rx_errors
= drvs
->rx_crc_errors
+
552 drvs
->rx_alignment_symbol_errors
+
553 drvs
->rx_in_range_errors
+
554 drvs
->rx_out_range_errors
+
555 drvs
->rx_frame_too_long
+
556 drvs
->rx_dropped_too_small
+
557 drvs
->rx_dropped_too_short
+
558 drvs
->rx_dropped_header_too_small
+
559 drvs
->rx_dropped_tcp_length
+
560 drvs
->rx_dropped_runt
;
562 /* detailed rx errors */
563 stats
->rx_length_errors
= drvs
->rx_in_range_errors
+
564 drvs
->rx_out_range_errors
+
565 drvs
->rx_frame_too_long
;
567 stats
->rx_crc_errors
= drvs
->rx_crc_errors
;
569 /* frame alignment errors */
570 stats
->rx_frame_errors
= drvs
->rx_alignment_symbol_errors
;
572 /* receiver fifo overrun */
573 /* drops_no_pbuf is no per i/f, it's per BE card */
574 stats
->rx_fifo_errors
= drvs
->rxpp_fifo_overflow_drop
+
575 drvs
->rx_input_fifo_overflow_drop
+
576 drvs
->rx_drops_no_pbuf
;
580 void be_link_status_update(struct be_adapter
*adapter
, u8 link_status
)
582 struct net_device
*netdev
= adapter
->netdev
;
584 if (!(adapter
->flags
& BE_FLAGS_LINK_STATUS_INIT
)) {
585 netif_carrier_off(netdev
);
586 adapter
->flags
|= BE_FLAGS_LINK_STATUS_INIT
;
589 if ((link_status
& LINK_STATUS_MASK
) == LINK_UP
)
590 netif_carrier_on(netdev
);
592 netif_carrier_off(netdev
);
595 static void be_tx_stats_update(struct be_tx_obj
*txo
,
596 u32 wrb_cnt
, u32 copied
, u32 gso_segs
, bool stopped
)
598 struct be_tx_stats
*stats
= tx_stats(txo
);
600 u64_stats_update_begin(&stats
->sync
);
602 stats
->tx_wrbs
+= wrb_cnt
;
603 stats
->tx_bytes
+= copied
;
604 stats
->tx_pkts
+= (gso_segs
? gso_segs
: 1);
607 u64_stats_update_end(&stats
->sync
);
610 /* Determine number of WRB entries needed to xmit data in an skb */
611 static u32
wrb_cnt_for_skb(struct be_adapter
*adapter
, struct sk_buff
*skb
,
614 int cnt
= (skb
->len
> skb
->data_len
);
616 cnt
+= skb_shinfo(skb
)->nr_frags
;
618 /* to account for hdr wrb */
620 if (lancer_chip(adapter
) || !(cnt
& 1)) {
623 /* add a dummy to make it an even num */
627 BUG_ON(cnt
> BE_MAX_TX_FRAG_COUNT
);
631 static inline void wrb_fill(struct be_eth_wrb
*wrb
, u64 addr
, int len
)
633 wrb
->frag_pa_hi
= upper_32_bits(addr
);
634 wrb
->frag_pa_lo
= addr
& 0xFFFFFFFF;
635 wrb
->frag_len
= len
& ETH_WRB_FRAG_LEN_MASK
;
639 static inline u16
be_get_tx_vlan_tag(struct be_adapter
*adapter
,
645 vlan_tag
= vlan_tx_tag_get(skb
);
646 vlan_prio
= (vlan_tag
& VLAN_PRIO_MASK
) >> VLAN_PRIO_SHIFT
;
647 /* If vlan priority provided by OS is NOT in available bmap */
648 if (!(adapter
->vlan_prio_bmap
& (1 << vlan_prio
)))
649 vlan_tag
= (vlan_tag
& ~VLAN_PRIO_MASK
) |
650 adapter
->recommended_prio
;
655 static void wrb_fill_hdr(struct be_adapter
*adapter
, struct be_eth_hdr_wrb
*hdr
,
656 struct sk_buff
*skb
, u32 wrb_cnt
, u32 len
, bool skip_hw_vlan
)
660 memset(hdr
, 0, sizeof(*hdr
));
662 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, crc
, hdr
, 1);
664 if (skb_is_gso(skb
)) {
665 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, lso
, hdr
, 1);
666 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, lso_mss
,
667 hdr
, skb_shinfo(skb
)->gso_size
);
668 if (skb_is_gso_v6(skb
) && !lancer_chip(adapter
))
669 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, lso6
, hdr
, 1);
670 } else if (skb
->ip_summed
== CHECKSUM_PARTIAL
) {
672 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, tcpcs
, hdr
, 1);
673 else if (is_udp_pkt(skb
))
674 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, udpcs
, hdr
, 1);
677 if (vlan_tx_tag_present(skb
)) {
678 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, vlan
, hdr
, 1);
679 vlan_tag
= be_get_tx_vlan_tag(adapter
, skb
);
680 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, vlan_tag
, hdr
, vlan_tag
);
683 /* To skip HW VLAN tagging: evt = 1, compl = 0 */
684 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, complete
, hdr
, !skip_hw_vlan
);
685 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, event
, hdr
, 1);
686 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, num_wrb
, hdr
, wrb_cnt
);
687 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, len
, hdr
, len
);
690 static void unmap_tx_frag(struct device
*dev
, struct be_eth_wrb
*wrb
,
695 be_dws_le_to_cpu(wrb
, sizeof(*wrb
));
697 dma
= (u64
)wrb
->frag_pa_hi
<< 32 | (u64
)wrb
->frag_pa_lo
;
700 dma_unmap_single(dev
, dma
, wrb
->frag_len
,
703 dma_unmap_page(dev
, dma
, wrb
->frag_len
, DMA_TO_DEVICE
);
707 static int make_tx_wrbs(struct be_adapter
*adapter
, struct be_queue_info
*txq
,
708 struct sk_buff
*skb
, u32 wrb_cnt
, bool dummy_wrb
,
713 struct device
*dev
= &adapter
->pdev
->dev
;
714 struct sk_buff
*first_skb
= skb
;
715 struct be_eth_wrb
*wrb
;
716 struct be_eth_hdr_wrb
*hdr
;
717 bool map_single
= false;
720 hdr
= queue_head_node(txq
);
722 map_head
= txq
->head
;
724 if (skb
->len
> skb
->data_len
) {
725 int len
= skb_headlen(skb
);
726 busaddr
= dma_map_single(dev
, skb
->data
, len
, DMA_TO_DEVICE
);
727 if (dma_mapping_error(dev
, busaddr
))
730 wrb
= queue_head_node(txq
);
731 wrb_fill(wrb
, busaddr
, len
);
732 be_dws_cpu_to_le(wrb
, sizeof(*wrb
));
737 for (i
= 0; i
< skb_shinfo(skb
)->nr_frags
; i
++) {
738 const struct skb_frag_struct
*frag
=
739 &skb_shinfo(skb
)->frags
[i
];
740 busaddr
= skb_frag_dma_map(dev
, frag
, 0,
741 skb_frag_size(frag
), DMA_TO_DEVICE
);
742 if (dma_mapping_error(dev
, busaddr
))
744 wrb
= queue_head_node(txq
);
745 wrb_fill(wrb
, busaddr
, skb_frag_size(frag
));
746 be_dws_cpu_to_le(wrb
, sizeof(*wrb
));
748 copied
+= skb_frag_size(frag
);
752 wrb
= queue_head_node(txq
);
754 be_dws_cpu_to_le(wrb
, sizeof(*wrb
));
758 wrb_fill_hdr(adapter
, hdr
, first_skb
, wrb_cnt
, copied
, skip_hw_vlan
);
759 be_dws_cpu_to_le(hdr
, sizeof(*hdr
));
763 txq
->head
= map_head
;
765 wrb
= queue_head_node(txq
);
766 unmap_tx_frag(dev
, wrb
, map_single
);
768 copied
-= wrb
->frag_len
;
774 static struct sk_buff
*be_insert_vlan_in_pkt(struct be_adapter
*adapter
,
780 skb
= skb_share_check(skb
, GFP_ATOMIC
);
784 if (vlan_tx_tag_present(skb
))
785 vlan_tag
= be_get_tx_vlan_tag(adapter
, skb
);
787 if (qnq_async_evt_rcvd(adapter
) && adapter
->pvid
) {
789 vlan_tag
= adapter
->pvid
;
790 /* f/w workaround to set skip_hw_vlan = 1, informs the F/W to
791 * skip VLAN insertion
794 *skip_hw_vlan
= true;
798 skb
= __vlan_put_tag(skb
, htons(ETH_P_8021Q
), vlan_tag
);
804 /* Insert the outer VLAN, if any */
805 if (adapter
->qnq_vid
) {
806 vlan_tag
= adapter
->qnq_vid
;
807 skb
= __vlan_put_tag(skb
, htons(ETH_P_8021Q
), vlan_tag
);
811 *skip_hw_vlan
= true;
817 static bool be_ipv6_exthdr_check(struct sk_buff
*skb
)
819 struct ethhdr
*eh
= (struct ethhdr
*)skb
->data
;
820 u16 offset
= ETH_HLEN
;
822 if (eh
->h_proto
== htons(ETH_P_IPV6
)) {
823 struct ipv6hdr
*ip6h
= (struct ipv6hdr
*)(skb
->data
+ offset
);
825 offset
+= sizeof(struct ipv6hdr
);
826 if (ip6h
->nexthdr
!= NEXTHDR_TCP
&&
827 ip6h
->nexthdr
!= NEXTHDR_UDP
) {
828 struct ipv6_opt_hdr
*ehdr
=
829 (struct ipv6_opt_hdr
*) (skb
->data
+ offset
);
831 /* offending pkt: 2nd byte following IPv6 hdr is 0xff */
832 if (ehdr
->hdrlen
== 0xff)
839 static int be_vlan_tag_tx_chk(struct be_adapter
*adapter
, struct sk_buff
*skb
)
841 return vlan_tx_tag_present(skb
) || adapter
->pvid
|| adapter
->qnq_vid
;
844 static int be_ipv6_tx_stall_chk(struct be_adapter
*adapter
,
847 return BE3_chip(adapter
) && be_ipv6_exthdr_check(skb
);
850 static struct sk_buff
*be_xmit_workarounds(struct be_adapter
*adapter
,
854 struct vlan_ethhdr
*veh
= (struct vlan_ethhdr
*)skb
->data
;
855 unsigned int eth_hdr_len
;
858 /* Lancer, SH-R ASICs have a bug wherein Packets that are 32 bytes or less
859 * may cause a transmit stall on that port. So the work-around is to
860 * pad short packets (<= 32 bytes) to a 36-byte length.
862 if (unlikely(!BEx_chip(adapter
) && skb
->len
<= 32)) {
863 if (skb_padto(skb
, 36))
868 /* For padded packets, BE HW modifies tot_len field in IP header
869 * incorrecly when VLAN tag is inserted by HW.
870 * For padded packets, Lancer computes incorrect checksum.
872 eth_hdr_len
= ntohs(skb
->protocol
) == ETH_P_8021Q
?
873 VLAN_ETH_HLEN
: ETH_HLEN
;
874 if (skb
->len
<= 60 &&
875 (lancer_chip(adapter
) || vlan_tx_tag_present(skb
)) &&
877 ip
= (struct iphdr
*)ip_hdr(skb
);
878 pskb_trim(skb
, eth_hdr_len
+ ntohs(ip
->tot_len
));
881 /* If vlan tag is already inlined in the packet, skip HW VLAN
882 * tagging in UMC mode
884 if ((adapter
->function_mode
& UMC_ENABLED
) &&
885 veh
->h_vlan_proto
== htons(ETH_P_8021Q
))
886 *skip_hw_vlan
= true;
888 /* HW has a bug wherein it will calculate CSUM for VLAN
889 * pkts even though it is disabled.
890 * Manually insert VLAN in pkt.
892 if (skb
->ip_summed
!= CHECKSUM_PARTIAL
&&
893 vlan_tx_tag_present(skb
)) {
894 skb
= be_insert_vlan_in_pkt(adapter
, skb
, skip_hw_vlan
);
899 /* HW may lockup when VLAN HW tagging is requested on
900 * certain ipv6 packets. Drop such pkts if the HW workaround to
901 * skip HW tagging is not enabled by FW.
903 if (unlikely(be_ipv6_tx_stall_chk(adapter
, skb
) &&
904 (adapter
->pvid
|| adapter
->qnq_vid
) &&
905 !qnq_async_evt_rcvd(adapter
)))
908 /* Manual VLAN tag insertion to prevent:
909 * ASIC lockup when the ASIC inserts VLAN tag into
910 * certain ipv6 packets. Insert VLAN tags in driver,
911 * and set event, completion, vlan bits accordingly
914 if (be_ipv6_tx_stall_chk(adapter
, skb
) &&
915 be_vlan_tag_tx_chk(adapter
, skb
)) {
916 skb
= be_insert_vlan_in_pkt(adapter
, skb
, skip_hw_vlan
);
923 dev_kfree_skb_any(skb
);
927 static netdev_tx_t
be_xmit(struct sk_buff
*skb
, struct net_device
*netdev
)
929 struct be_adapter
*adapter
= netdev_priv(netdev
);
930 struct be_tx_obj
*txo
= &adapter
->tx_obj
[skb_get_queue_mapping(skb
)];
931 struct be_queue_info
*txq
= &txo
->q
;
932 bool dummy_wrb
, stopped
= false;
933 u32 wrb_cnt
= 0, copied
= 0;
934 bool skip_hw_vlan
= false;
935 u32 start
= txq
->head
;
937 skb
= be_xmit_workarounds(adapter
, skb
, &skip_hw_vlan
);
941 wrb_cnt
= wrb_cnt_for_skb(adapter
, skb
, &dummy_wrb
);
943 copied
= make_tx_wrbs(adapter
, txq
, skb
, wrb_cnt
, dummy_wrb
,
946 int gso_segs
= skb_shinfo(skb
)->gso_segs
;
948 /* record the sent skb in the sent_skb table */
949 BUG_ON(txo
->sent_skb_list
[start
]);
950 txo
->sent_skb_list
[start
] = skb
;
952 /* Ensure txq has space for the next skb; Else stop the queue
953 * *BEFORE* ringing the tx doorbell, so that we serialze the
954 * tx compls of the current transmit which'll wake up the queue
956 atomic_add(wrb_cnt
, &txq
->used
);
957 if ((BE_MAX_TX_FRAG_COUNT
+ atomic_read(&txq
->used
)) >=
959 netif_stop_subqueue(netdev
, skb_get_queue_mapping(skb
));
963 be_txq_notify(adapter
, txo
, wrb_cnt
);
965 be_tx_stats_update(txo
, wrb_cnt
, copied
, gso_segs
, stopped
);
968 dev_kfree_skb_any(skb
);
973 static int be_change_mtu(struct net_device
*netdev
, int new_mtu
)
975 struct be_adapter
*adapter
= netdev_priv(netdev
);
976 if (new_mtu
< BE_MIN_MTU
||
977 new_mtu
> (BE_MAX_JUMBO_FRAME_SIZE
-
978 (ETH_HLEN
+ ETH_FCS_LEN
))) {
979 dev_info(&adapter
->pdev
->dev
,
980 "MTU must be between %d and %d bytes\n",
982 (BE_MAX_JUMBO_FRAME_SIZE
- (ETH_HLEN
+ ETH_FCS_LEN
)));
985 dev_info(&adapter
->pdev
->dev
, "MTU changed from %d to %d bytes\n",
986 netdev
->mtu
, new_mtu
);
987 netdev
->mtu
= new_mtu
;
992 * A max of 64 (BE_NUM_VLANS_SUPPORTED) vlans can be configured in BE.
993 * If the user configures more, place BE in vlan promiscuous mode.
995 static int be_vid_config(struct be_adapter
*adapter
)
997 u16 vids
[BE_NUM_VLANS_SUPPORTED
];
1001 /* No need to further configure vids if in promiscuous mode */
1002 if (adapter
->promiscuous
)
1005 if (adapter
->vlans_added
> be_max_vlans(adapter
))
1006 goto set_vlan_promisc
;
1008 /* Construct VLAN Table to give to HW */
1009 for (i
= 0; i
< VLAN_N_VID
; i
++)
1010 if (adapter
->vlan_tag
[i
])
1011 vids
[num
++] = cpu_to_le16(i
);
1013 status
= be_cmd_vlan_config(adapter
, adapter
->if_handle
,
1017 /* Set to VLAN promisc mode as setting VLAN filter failed */
1018 if (status
== MCC_ADDL_STS_INSUFFICIENT_RESOURCES
)
1019 goto set_vlan_promisc
;
1020 dev_err(&adapter
->pdev
->dev
,
1021 "Setting HW VLAN filtering failed.\n");
1023 if (adapter
->flags
& BE_FLAGS_VLAN_PROMISC
) {
1024 /* hw VLAN filtering re-enabled. */
1025 status
= be_cmd_rx_filter(adapter
,
1026 BE_FLAGS_VLAN_PROMISC
, OFF
);
1028 dev_info(&adapter
->pdev
->dev
,
1029 "Disabling VLAN Promiscuous mode.\n");
1030 adapter
->flags
&= ~BE_FLAGS_VLAN_PROMISC
;
1031 dev_info(&adapter
->pdev
->dev
,
1032 "Re-Enabling HW VLAN filtering\n");
1040 dev_warn(&adapter
->pdev
->dev
, "Exhausted VLAN HW filters.\n");
1042 status
= be_cmd_rx_filter(adapter
, BE_FLAGS_VLAN_PROMISC
, ON
);
1044 dev_info(&adapter
->pdev
->dev
, "Enable VLAN Promiscuous mode\n");
1045 dev_info(&adapter
->pdev
->dev
, "Disabling HW VLAN filtering\n");
1046 adapter
->flags
|= BE_FLAGS_VLAN_PROMISC
;
1048 dev_err(&adapter
->pdev
->dev
,
1049 "Failed to enable VLAN Promiscuous mode.\n");
1053 static int be_vlan_add_vid(struct net_device
*netdev
, __be16 proto
, u16 vid
)
1055 struct be_adapter
*adapter
= netdev_priv(netdev
);
1059 /* Packets with VID 0 are always received by Lancer by default */
1060 if (lancer_chip(adapter
) && vid
== 0)
1063 adapter
->vlan_tag
[vid
] = 1;
1064 if (adapter
->vlans_added
<= (be_max_vlans(adapter
) + 1))
1065 status
= be_vid_config(adapter
);
1068 adapter
->vlans_added
++;
1070 adapter
->vlan_tag
[vid
] = 0;
1075 static int be_vlan_rem_vid(struct net_device
*netdev
, __be16 proto
, u16 vid
)
1077 struct be_adapter
*adapter
= netdev_priv(netdev
);
1080 /* Packets with VID 0 are always received by Lancer by default */
1081 if (lancer_chip(adapter
) && vid
== 0)
1084 adapter
->vlan_tag
[vid
] = 0;
1085 if (adapter
->vlans_added
<= be_max_vlans(adapter
))
1086 status
= be_vid_config(adapter
);
1089 adapter
->vlans_added
--;
1091 adapter
->vlan_tag
[vid
] = 1;
1096 static void be_set_rx_mode(struct net_device
*netdev
)
1098 struct be_adapter
*adapter
= netdev_priv(netdev
);
1101 if (netdev
->flags
& IFF_PROMISC
) {
1102 be_cmd_rx_filter(adapter
, IFF_PROMISC
, ON
);
1103 adapter
->promiscuous
= true;
1107 /* BE was previously in promiscuous mode; disable it */
1108 if (adapter
->promiscuous
) {
1109 adapter
->promiscuous
= false;
1110 be_cmd_rx_filter(adapter
, IFF_PROMISC
, OFF
);
1112 if (adapter
->vlans_added
)
1113 be_vid_config(adapter
);
1116 /* Enable multicast promisc if num configured exceeds what we support */
1117 if (netdev
->flags
& IFF_ALLMULTI
||
1118 netdev_mc_count(netdev
) > be_max_mc(adapter
)) {
1119 be_cmd_rx_filter(adapter
, IFF_ALLMULTI
, ON
);
1123 if (netdev_uc_count(netdev
) != adapter
->uc_macs
) {
1124 struct netdev_hw_addr
*ha
;
1125 int i
= 1; /* First slot is claimed by the Primary MAC */
1127 for (; adapter
->uc_macs
> 0; adapter
->uc_macs
--, i
++) {
1128 be_cmd_pmac_del(adapter
, adapter
->if_handle
,
1129 adapter
->pmac_id
[i
], 0);
1132 if (netdev_uc_count(netdev
) > be_max_uc(adapter
)) {
1133 be_cmd_rx_filter(adapter
, IFF_PROMISC
, ON
);
1134 adapter
->promiscuous
= true;
1138 netdev_for_each_uc_addr(ha
, adapter
->netdev
) {
1139 adapter
->uc_macs
++; /* First slot is for Primary MAC */
1140 be_cmd_pmac_add(adapter
, (u8
*)ha
->addr
,
1142 &adapter
->pmac_id
[adapter
->uc_macs
], 0);
1146 status
= be_cmd_rx_filter(adapter
, IFF_MULTICAST
, ON
);
1148 /* Set to MCAST promisc mode if setting MULTICAST address fails */
1150 dev_info(&adapter
->pdev
->dev
, "Exhausted multicast HW filters.\n");
1151 dev_info(&adapter
->pdev
->dev
, "Disabling HW multicast filtering.\n");
1152 be_cmd_rx_filter(adapter
, IFF_ALLMULTI
, ON
);
1158 static int be_set_vf_mac(struct net_device
*netdev
, int vf
, u8
*mac
)
1160 struct be_adapter
*adapter
= netdev_priv(netdev
);
1161 struct be_vf_cfg
*vf_cfg
= &adapter
->vf_cfg
[vf
];
1164 if (!sriov_enabled(adapter
))
1167 if (!is_valid_ether_addr(mac
) || vf
>= adapter
->num_vfs
)
1170 if (BEx_chip(adapter
)) {
1171 be_cmd_pmac_del(adapter
, vf_cfg
->if_handle
, vf_cfg
->pmac_id
,
1174 status
= be_cmd_pmac_add(adapter
, mac
, vf_cfg
->if_handle
,
1175 &vf_cfg
->pmac_id
, vf
+ 1);
1177 status
= be_cmd_set_mac(adapter
, mac
, vf_cfg
->if_handle
,
1182 dev_err(&adapter
->pdev
->dev
, "MAC %pM set on VF %d Failed\n",
1185 memcpy(vf_cfg
->mac_addr
, mac
, ETH_ALEN
);
1190 static int be_get_vf_config(struct net_device
*netdev
, int vf
,
1191 struct ifla_vf_info
*vi
)
1193 struct be_adapter
*adapter
= netdev_priv(netdev
);
1194 struct be_vf_cfg
*vf_cfg
= &adapter
->vf_cfg
[vf
];
1196 if (!sriov_enabled(adapter
))
1199 if (vf
>= adapter
->num_vfs
)
1203 vi
->tx_rate
= vf_cfg
->tx_rate
;
1204 vi
->vlan
= vf_cfg
->vlan_tag
& VLAN_VID_MASK
;
1205 vi
->qos
= vf_cfg
->vlan_tag
>> VLAN_PRIO_SHIFT
;
1206 memcpy(&vi
->mac
, vf_cfg
->mac_addr
, ETH_ALEN
);
1211 static int be_set_vf_vlan(struct net_device
*netdev
,
1212 int vf
, u16 vlan
, u8 qos
)
1214 struct be_adapter
*adapter
= netdev_priv(netdev
);
1215 struct be_vf_cfg
*vf_cfg
= &adapter
->vf_cfg
[vf
];
1218 if (!sriov_enabled(adapter
))
1221 if (vf
>= adapter
->num_vfs
|| vlan
> 4095 || qos
> 7)
1225 vlan
|= qos
<< VLAN_PRIO_SHIFT
;
1226 if (vf_cfg
->vlan_tag
!= vlan
) {
1227 /* If this is new value, program it. Else skip. */
1228 vf_cfg
->vlan_tag
= vlan
;
1229 status
= be_cmd_set_hsw_config(adapter
, vlan
, vf
+ 1,
1230 vf_cfg
->if_handle
, 0);
1233 /* Reset Transparent Vlan Tagging. */
1234 vf_cfg
->vlan_tag
= 0;
1235 vlan
= vf_cfg
->def_vid
;
1236 status
= be_cmd_set_hsw_config(adapter
, vlan
, vf
+ 1,
1237 vf_cfg
->if_handle
, 0);
1242 dev_info(&adapter
->pdev
->dev
,
1243 "VLAN %d config on VF %d failed\n", vlan
, vf
);
1247 static int be_set_vf_tx_rate(struct net_device
*netdev
,
1250 struct be_adapter
*adapter
= netdev_priv(netdev
);
1253 if (!sriov_enabled(adapter
))
1256 if (vf
>= adapter
->num_vfs
)
1259 if (rate
< 100 || rate
> 10000) {
1260 dev_err(&adapter
->pdev
->dev
,
1261 "tx rate must be between 100 and 10000 Mbps\n");
1265 if (lancer_chip(adapter
))
1266 status
= be_cmd_set_profile_config(adapter
, rate
/ 10, vf
+ 1);
1268 status
= be_cmd_set_qos(adapter
, rate
/ 10, vf
+ 1);
1271 dev_err(&adapter
->pdev
->dev
,
1272 "tx rate %d on VF %d failed\n", rate
, vf
);
1274 adapter
->vf_cfg
[vf
].tx_rate
= rate
;
1278 static void be_eqd_update(struct be_adapter
*adapter
, struct be_eq_obj
*eqo
)
1280 struct be_rx_stats
*stats
= rx_stats(&adapter
->rx_obj
[eqo
->idx
]);
1281 ulong now
= jiffies
;
1282 ulong delta
= now
- stats
->rx_jiffies
;
1284 unsigned int start
, eqd
;
1286 if (!eqo
->enable_aic
) {
1291 if (eqo
->idx
>= adapter
->num_rx_qs
)
1294 stats
= rx_stats(&adapter
->rx_obj
[eqo
->idx
]);
1296 /* Wrapped around */
1297 if (time_before(now
, stats
->rx_jiffies
)) {
1298 stats
->rx_jiffies
= now
;
1302 /* Update once a second */
1307 start
= u64_stats_fetch_begin_bh(&stats
->sync
);
1308 pkts
= stats
->rx_pkts
;
1309 } while (u64_stats_fetch_retry_bh(&stats
->sync
, start
));
1311 stats
->rx_pps
= (unsigned long)(pkts
- stats
->rx_pkts_prev
) / (delta
/ HZ
);
1312 stats
->rx_pkts_prev
= pkts
;
1313 stats
->rx_jiffies
= now
;
1314 eqd
= (stats
->rx_pps
/ 110000) << 3;
1315 eqd
= min(eqd
, eqo
->max_eqd
);
1316 eqd
= max(eqd
, eqo
->min_eqd
);
1321 if (eqd
!= eqo
->cur_eqd
) {
1322 be_cmd_modify_eqd(adapter
, eqo
->q
.id
, eqd
);
1327 static void be_rx_stats_update(struct be_rx_obj
*rxo
,
1328 struct be_rx_compl_info
*rxcp
)
1330 struct be_rx_stats
*stats
= rx_stats(rxo
);
1332 u64_stats_update_begin(&stats
->sync
);
1334 stats
->rx_bytes
+= rxcp
->pkt_size
;
1336 if (rxcp
->pkt_type
== BE_MULTICAST_PACKET
)
1337 stats
->rx_mcast_pkts
++;
1339 stats
->rx_compl_err
++;
1340 u64_stats_update_end(&stats
->sync
);
1343 static inline bool csum_passed(struct be_rx_compl_info
*rxcp
)
1345 /* L4 checksum is not reliable for non TCP/UDP packets.
1346 * Also ignore ipcksm for ipv6 pkts */
1347 return (rxcp
->tcpf
|| rxcp
->udpf
) && rxcp
->l4_csum
&&
1348 (rxcp
->ip_csum
|| rxcp
->ipv6
);
1351 static struct be_rx_page_info
*get_rx_page_info(struct be_rx_obj
*rxo
,
1354 struct be_adapter
*adapter
= rxo
->adapter
;
1355 struct be_rx_page_info
*rx_page_info
;
1356 struct be_queue_info
*rxq
= &rxo
->q
;
1358 rx_page_info
= &rxo
->page_info_tbl
[frag_idx
];
1359 BUG_ON(!rx_page_info
->page
);
1361 if (rx_page_info
->last_page_user
) {
1362 dma_unmap_page(&adapter
->pdev
->dev
,
1363 dma_unmap_addr(rx_page_info
, bus
),
1364 adapter
->big_page_size
, DMA_FROM_DEVICE
);
1365 rx_page_info
->last_page_user
= false;
1368 atomic_dec(&rxq
->used
);
1369 return rx_page_info
;
1372 /* Throwaway the data in the Rx completion */
1373 static void be_rx_compl_discard(struct be_rx_obj
*rxo
,
1374 struct be_rx_compl_info
*rxcp
)
1376 struct be_queue_info
*rxq
= &rxo
->q
;
1377 struct be_rx_page_info
*page_info
;
1378 u16 i
, num_rcvd
= rxcp
->num_rcvd
;
1380 for (i
= 0; i
< num_rcvd
; i
++) {
1381 page_info
= get_rx_page_info(rxo
, rxcp
->rxq_idx
);
1382 put_page(page_info
->page
);
1383 memset(page_info
, 0, sizeof(*page_info
));
1384 index_inc(&rxcp
->rxq_idx
, rxq
->len
);
1389 * skb_fill_rx_data forms a complete skb for an ether frame
1390 * indicated by rxcp.
1392 static void skb_fill_rx_data(struct be_rx_obj
*rxo
, struct sk_buff
*skb
,
1393 struct be_rx_compl_info
*rxcp
)
1395 struct be_queue_info
*rxq
= &rxo
->q
;
1396 struct be_rx_page_info
*page_info
;
1398 u16 hdr_len
, curr_frag_len
, remaining
;
1401 page_info
= get_rx_page_info(rxo
, rxcp
->rxq_idx
);
1402 start
= page_address(page_info
->page
) + page_info
->page_offset
;
1405 /* Copy data in the first descriptor of this completion */
1406 curr_frag_len
= min(rxcp
->pkt_size
, rx_frag_size
);
1408 skb
->len
= curr_frag_len
;
1409 if (curr_frag_len
<= BE_HDR_LEN
) { /* tiny packet */
1410 memcpy(skb
->data
, start
, curr_frag_len
);
1411 /* Complete packet has now been moved to data */
1412 put_page(page_info
->page
);
1414 skb
->tail
+= curr_frag_len
;
1417 memcpy(skb
->data
, start
, hdr_len
);
1418 skb_shinfo(skb
)->nr_frags
= 1;
1419 skb_frag_set_page(skb
, 0, page_info
->page
);
1420 skb_shinfo(skb
)->frags
[0].page_offset
=
1421 page_info
->page_offset
+ hdr_len
;
1422 skb_frag_size_set(&skb_shinfo(skb
)->frags
[0], curr_frag_len
- hdr_len
);
1423 skb
->data_len
= curr_frag_len
- hdr_len
;
1424 skb
->truesize
+= rx_frag_size
;
1425 skb
->tail
+= hdr_len
;
1427 page_info
->page
= NULL
;
1429 if (rxcp
->pkt_size
<= rx_frag_size
) {
1430 BUG_ON(rxcp
->num_rcvd
!= 1);
1434 /* More frags present for this completion */
1435 index_inc(&rxcp
->rxq_idx
, rxq
->len
);
1436 remaining
= rxcp
->pkt_size
- curr_frag_len
;
1437 for (i
= 1, j
= 0; i
< rxcp
->num_rcvd
; i
++) {
1438 page_info
= get_rx_page_info(rxo
, rxcp
->rxq_idx
);
1439 curr_frag_len
= min(remaining
, rx_frag_size
);
1441 /* Coalesce all frags from the same physical page in one slot */
1442 if (page_info
->page_offset
== 0) {
1445 skb_frag_set_page(skb
, j
, page_info
->page
);
1446 skb_shinfo(skb
)->frags
[j
].page_offset
=
1447 page_info
->page_offset
;
1448 skb_frag_size_set(&skb_shinfo(skb
)->frags
[j
], 0);
1449 skb_shinfo(skb
)->nr_frags
++;
1451 put_page(page_info
->page
);
1454 skb_frag_size_add(&skb_shinfo(skb
)->frags
[j
], curr_frag_len
);
1455 skb
->len
+= curr_frag_len
;
1456 skb
->data_len
+= curr_frag_len
;
1457 skb
->truesize
+= rx_frag_size
;
1458 remaining
-= curr_frag_len
;
1459 index_inc(&rxcp
->rxq_idx
, rxq
->len
);
1460 page_info
->page
= NULL
;
1462 BUG_ON(j
> MAX_SKB_FRAGS
);
1465 /* Process the RX completion indicated by rxcp when GRO is disabled */
1466 static void be_rx_compl_process(struct be_rx_obj
*rxo
,
1467 struct be_rx_compl_info
*rxcp
)
1469 struct be_adapter
*adapter
= rxo
->adapter
;
1470 struct net_device
*netdev
= adapter
->netdev
;
1471 struct sk_buff
*skb
;
1473 skb
= netdev_alloc_skb_ip_align(netdev
, BE_RX_SKB_ALLOC_SIZE
);
1474 if (unlikely(!skb
)) {
1475 rx_stats(rxo
)->rx_drops_no_skbs
++;
1476 be_rx_compl_discard(rxo
, rxcp
);
1480 skb_fill_rx_data(rxo
, skb
, rxcp
);
1482 if (likely((netdev
->features
& NETIF_F_RXCSUM
) && csum_passed(rxcp
)))
1483 skb
->ip_summed
= CHECKSUM_UNNECESSARY
;
1485 skb_checksum_none_assert(skb
);
1487 skb
->protocol
= eth_type_trans(skb
, netdev
);
1488 skb_record_rx_queue(skb
, rxo
- &adapter
->rx_obj
[0]);
1489 if (netdev
->features
& NETIF_F_RXHASH
)
1490 skb
->rxhash
= rxcp
->rss_hash
;
1494 __vlan_hwaccel_put_tag(skb
, htons(ETH_P_8021Q
), rxcp
->vlan_tag
);
1496 netif_receive_skb(skb
);
1499 /* Process the RX completion indicated by rxcp when GRO is enabled */
1500 static void be_rx_compl_process_gro(struct be_rx_obj
*rxo
,
1501 struct napi_struct
*napi
,
1502 struct be_rx_compl_info
*rxcp
)
1504 struct be_adapter
*adapter
= rxo
->adapter
;
1505 struct be_rx_page_info
*page_info
;
1506 struct sk_buff
*skb
= NULL
;
1507 struct be_queue_info
*rxq
= &rxo
->q
;
1508 u16 remaining
, curr_frag_len
;
1511 skb
= napi_get_frags(napi
);
1513 be_rx_compl_discard(rxo
, rxcp
);
1517 remaining
= rxcp
->pkt_size
;
1518 for (i
= 0, j
= -1; i
< rxcp
->num_rcvd
; i
++) {
1519 page_info
= get_rx_page_info(rxo
, rxcp
->rxq_idx
);
1521 curr_frag_len
= min(remaining
, rx_frag_size
);
1523 /* Coalesce all frags from the same physical page in one slot */
1524 if (i
== 0 || page_info
->page_offset
== 0) {
1525 /* First frag or Fresh page */
1527 skb_frag_set_page(skb
, j
, page_info
->page
);
1528 skb_shinfo(skb
)->frags
[j
].page_offset
=
1529 page_info
->page_offset
;
1530 skb_frag_size_set(&skb_shinfo(skb
)->frags
[j
], 0);
1532 put_page(page_info
->page
);
1534 skb_frag_size_add(&skb_shinfo(skb
)->frags
[j
], curr_frag_len
);
1535 skb
->truesize
+= rx_frag_size
;
1536 remaining
-= curr_frag_len
;
1537 index_inc(&rxcp
->rxq_idx
, rxq
->len
);
1538 memset(page_info
, 0, sizeof(*page_info
));
1540 BUG_ON(j
> MAX_SKB_FRAGS
);
1542 skb_shinfo(skb
)->nr_frags
= j
+ 1;
1543 skb
->len
= rxcp
->pkt_size
;
1544 skb
->data_len
= rxcp
->pkt_size
;
1545 skb
->ip_summed
= CHECKSUM_UNNECESSARY
;
1546 skb_record_rx_queue(skb
, rxo
- &adapter
->rx_obj
[0]);
1547 if (adapter
->netdev
->features
& NETIF_F_RXHASH
)
1548 skb
->rxhash
= rxcp
->rss_hash
;
1551 __vlan_hwaccel_put_tag(skb
, htons(ETH_P_8021Q
), rxcp
->vlan_tag
);
1553 napi_gro_frags(napi
);
1556 static void be_parse_rx_compl_v1(struct be_eth_rx_compl
*compl,
1557 struct be_rx_compl_info
*rxcp
)
1560 AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, pktsize
, compl);
1561 rxcp
->vlanf
= AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, vtp
, compl);
1562 rxcp
->err
= AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, err
, compl);
1563 rxcp
->tcpf
= AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, tcpf
, compl);
1564 rxcp
->udpf
= AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, udpf
, compl);
1566 AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, ipcksm
, compl);
1568 AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, l4_cksm
, compl);
1570 AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, ip_version
, compl);
1572 AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, fragndx
, compl);
1574 AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, numfrags
, compl);
1576 AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, cast_enc
, compl);
1578 AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, rsshash
, compl);
1580 rxcp
->vtm
= AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, vtm
,
1582 rxcp
->vlan_tag
= AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, vlan_tag
,
1585 rxcp
->port
= AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, port
, compl);
1588 static void be_parse_rx_compl_v0(struct be_eth_rx_compl
*compl,
1589 struct be_rx_compl_info
*rxcp
)
1592 AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, pktsize
, compl);
1593 rxcp
->vlanf
= AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, vtp
, compl);
1594 rxcp
->err
= AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, err
, compl);
1595 rxcp
->tcpf
= AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, tcpf
, compl);
1596 rxcp
->udpf
= AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, udpf
, compl);
1598 AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, ipcksm
, compl);
1600 AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, l4_cksm
, compl);
1602 AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, ip_version
, compl);
1604 AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, fragndx
, compl);
1606 AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, numfrags
, compl);
1608 AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, cast_enc
, compl);
1610 AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, rsshash
, compl);
1612 rxcp
->vtm
= AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, vtm
,
1614 rxcp
->vlan_tag
= AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, vlan_tag
,
1617 rxcp
->port
= AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, port
, compl);
1618 rxcp
->ip_frag
= AMAP_GET_BITS(struct amap_eth_rx_compl_v0
,
1622 static struct be_rx_compl_info
*be_rx_compl_get(struct be_rx_obj
*rxo
)
1624 struct be_eth_rx_compl
*compl = queue_tail_node(&rxo
->cq
);
1625 struct be_rx_compl_info
*rxcp
= &rxo
->rxcp
;
1626 struct be_adapter
*adapter
= rxo
->adapter
;
1628 /* For checking the valid bit it is Ok to use either definition as the
1629 * valid bit is at the same position in both v0 and v1 Rx compl */
1630 if (compl->dw
[offsetof(struct amap_eth_rx_compl_v1
, valid
) / 32] == 0)
1634 be_dws_le_to_cpu(compl, sizeof(*compl));
1636 if (adapter
->be3_native
)
1637 be_parse_rx_compl_v1(compl, rxcp
);
1639 be_parse_rx_compl_v0(compl, rxcp
);
1645 /* vlanf could be wrongly set in some cards.
1646 * ignore if vtm is not set */
1647 if ((adapter
->function_mode
& FLEX10_MODE
) && !rxcp
->vtm
)
1650 if (!lancer_chip(adapter
))
1651 rxcp
->vlan_tag
= swab16(rxcp
->vlan_tag
);
1653 if (adapter
->pvid
== (rxcp
->vlan_tag
& VLAN_VID_MASK
) &&
1654 !adapter
->vlan_tag
[rxcp
->vlan_tag
])
1658 /* As the compl has been parsed, reset it; we wont touch it again */
1659 compl->dw
[offsetof(struct amap_eth_rx_compl_v1
, valid
) / 32] = 0;
1661 queue_tail_inc(&rxo
->cq
);
1665 static inline struct page
*be_alloc_pages(u32 size
, gfp_t gfp
)
1667 u32 order
= get_order(size
);
1671 return alloc_pages(gfp
, order
);
1675 * Allocate a page, split it to fragments of size rx_frag_size and post as
1676 * receive buffers to BE
1678 static void be_post_rx_frags(struct be_rx_obj
*rxo
, gfp_t gfp
)
1680 struct be_adapter
*adapter
= rxo
->adapter
;
1681 struct be_rx_page_info
*page_info
= NULL
, *prev_page_info
= NULL
;
1682 struct be_queue_info
*rxq
= &rxo
->q
;
1683 struct page
*pagep
= NULL
;
1684 struct be_eth_rx_d
*rxd
;
1685 u64 page_dmaaddr
= 0, frag_dmaaddr
;
1686 u32 posted
, page_offset
= 0;
1688 page_info
= &rxo
->page_info_tbl
[rxq
->head
];
1689 for (posted
= 0; posted
< MAX_RX_POST
&& !page_info
->page
; posted
++) {
1691 pagep
= be_alloc_pages(adapter
->big_page_size
, gfp
);
1692 if (unlikely(!pagep
)) {
1693 rx_stats(rxo
)->rx_post_fail
++;
1696 page_dmaaddr
= dma_map_page(&adapter
->pdev
->dev
, pagep
,
1697 0, adapter
->big_page_size
,
1699 page_info
->page_offset
= 0;
1702 page_info
->page_offset
= page_offset
+ rx_frag_size
;
1704 page_offset
= page_info
->page_offset
;
1705 page_info
->page
= pagep
;
1706 dma_unmap_addr_set(page_info
, bus
, page_dmaaddr
);
1707 frag_dmaaddr
= page_dmaaddr
+ page_info
->page_offset
;
1709 rxd
= queue_head_node(rxq
);
1710 rxd
->fragpa_lo
= cpu_to_le32(frag_dmaaddr
& 0xFFFFFFFF);
1711 rxd
->fragpa_hi
= cpu_to_le32(upper_32_bits(frag_dmaaddr
));
1713 /* Any space left in the current big page for another frag? */
1714 if ((page_offset
+ rx_frag_size
+ rx_frag_size
) >
1715 adapter
->big_page_size
) {
1717 page_info
->last_page_user
= true;
1720 prev_page_info
= page_info
;
1721 queue_head_inc(rxq
);
1722 page_info
= &rxo
->page_info_tbl
[rxq
->head
];
1725 prev_page_info
->last_page_user
= true;
1728 atomic_add(posted
, &rxq
->used
);
1729 be_rxq_notify(adapter
, rxq
->id
, posted
);
1730 } else if (atomic_read(&rxq
->used
) == 0) {
1731 /* Let be_worker replenish when memory is available */
1732 rxo
->rx_post_starved
= true;
1736 static struct be_eth_tx_compl
*be_tx_compl_get(struct be_queue_info
*tx_cq
)
1738 struct be_eth_tx_compl
*txcp
= queue_tail_node(tx_cq
);
1740 if (txcp
->dw
[offsetof(struct amap_eth_tx_compl
, valid
) / 32] == 0)
1744 be_dws_le_to_cpu(txcp
, sizeof(*txcp
));
1746 txcp
->dw
[offsetof(struct amap_eth_tx_compl
, valid
) / 32] = 0;
1748 queue_tail_inc(tx_cq
);
1752 static u16
be_tx_compl_process(struct be_adapter
*adapter
,
1753 struct be_tx_obj
*txo
, u16 last_index
)
1755 struct be_queue_info
*txq
= &txo
->q
;
1756 struct be_eth_wrb
*wrb
;
1757 struct sk_buff
**sent_skbs
= txo
->sent_skb_list
;
1758 struct sk_buff
*sent_skb
;
1759 u16 cur_index
, num_wrbs
= 1; /* account for hdr wrb */
1760 bool unmap_skb_hdr
= true;
1762 sent_skb
= sent_skbs
[txq
->tail
];
1764 sent_skbs
[txq
->tail
] = NULL
;
1766 /* skip header wrb */
1767 queue_tail_inc(txq
);
1770 cur_index
= txq
->tail
;
1771 wrb
= queue_tail_node(txq
);
1772 unmap_tx_frag(&adapter
->pdev
->dev
, wrb
,
1773 (unmap_skb_hdr
&& skb_headlen(sent_skb
)));
1774 unmap_skb_hdr
= false;
1777 queue_tail_inc(txq
);
1778 } while (cur_index
!= last_index
);
1780 kfree_skb(sent_skb
);
1784 /* Return the number of events in the event queue */
1785 static inline int events_get(struct be_eq_obj
*eqo
)
1787 struct be_eq_entry
*eqe
;
1791 eqe
= queue_tail_node(&eqo
->q
);
1798 queue_tail_inc(&eqo
->q
);
1804 /* Leaves the EQ is disarmed state */
1805 static void be_eq_clean(struct be_eq_obj
*eqo
)
1807 int num
= events_get(eqo
);
1809 be_eq_notify(eqo
->adapter
, eqo
->q
.id
, false, true, num
);
1812 static void be_rx_cq_clean(struct be_rx_obj
*rxo
)
1814 struct be_rx_page_info
*page_info
;
1815 struct be_queue_info
*rxq
= &rxo
->q
;
1816 struct be_queue_info
*rx_cq
= &rxo
->cq
;
1817 struct be_rx_compl_info
*rxcp
;
1818 struct be_adapter
*adapter
= rxo
->adapter
;
1822 /* Consume pending rx completions.
1823 * Wait for the flush completion (identified by zero num_rcvd)
1824 * to arrive. Notify CQ even when there are no more CQ entries
1825 * for HW to flush partially coalesced CQ entries.
1826 * In Lancer, there is no need to wait for flush compl.
1829 rxcp
= be_rx_compl_get(rxo
);
1831 if (lancer_chip(adapter
))
1834 if (flush_wait
++ > 10 || be_hw_error(adapter
)) {
1835 dev_warn(&adapter
->pdev
->dev
,
1836 "did not receive flush compl\n");
1839 be_cq_notify(adapter
, rx_cq
->id
, true, 0);
1842 be_rx_compl_discard(rxo
, rxcp
);
1843 be_cq_notify(adapter
, rx_cq
->id
, false, 1);
1844 if (rxcp
->num_rcvd
== 0)
1849 /* After cleanup, leave the CQ in unarmed state */
1850 be_cq_notify(adapter
, rx_cq
->id
, false, 0);
1852 /* Then free posted rx buffers that were not used */
1853 tail
= (rxq
->head
+ rxq
->len
- atomic_read(&rxq
->used
)) % rxq
->len
;
1854 for (; atomic_read(&rxq
->used
) > 0; index_inc(&tail
, rxq
->len
)) {
1855 page_info
= get_rx_page_info(rxo
, tail
);
1856 put_page(page_info
->page
);
1857 memset(page_info
, 0, sizeof(*page_info
));
1859 BUG_ON(atomic_read(&rxq
->used
));
1860 rxq
->tail
= rxq
->head
= 0;
1863 static void be_tx_compl_clean(struct be_adapter
*adapter
)
1865 struct be_tx_obj
*txo
;
1866 struct be_queue_info
*txq
;
1867 struct be_eth_tx_compl
*txcp
;
1868 u16 end_idx
, cmpl
= 0, timeo
= 0, num_wrbs
= 0;
1869 struct sk_buff
*sent_skb
;
1871 int i
, pending_txqs
;
1873 /* Wait for a max of 200ms for all the tx-completions to arrive. */
1875 pending_txqs
= adapter
->num_tx_qs
;
1877 for_all_tx_queues(adapter
, txo
, i
) {
1879 while ((txcp
= be_tx_compl_get(&txo
->cq
))) {
1881 AMAP_GET_BITS(struct amap_eth_tx_compl
,
1883 num_wrbs
+= be_tx_compl_process(adapter
, txo
,
1888 be_cq_notify(adapter
, txo
->cq
.id
, false, cmpl
);
1889 atomic_sub(num_wrbs
, &txq
->used
);
1893 if (atomic_read(&txq
->used
) == 0)
1897 if (pending_txqs
== 0 || ++timeo
> 200)
1903 for_all_tx_queues(adapter
, txo
, i
) {
1905 if (atomic_read(&txq
->used
))
1906 dev_err(&adapter
->pdev
->dev
, "%d pending tx-compls\n",
1907 atomic_read(&txq
->used
));
1909 /* free posted tx for which compls will never arrive */
1910 while (atomic_read(&txq
->used
)) {
1911 sent_skb
= txo
->sent_skb_list
[txq
->tail
];
1912 end_idx
= txq
->tail
;
1913 num_wrbs
= wrb_cnt_for_skb(adapter
, sent_skb
,
1915 index_adv(&end_idx
, num_wrbs
- 1, txq
->len
);
1916 num_wrbs
= be_tx_compl_process(adapter
, txo
, end_idx
);
1917 atomic_sub(num_wrbs
, &txq
->used
);
1922 static void be_evt_queues_destroy(struct be_adapter
*adapter
)
1924 struct be_eq_obj
*eqo
;
1927 for_all_evt_queues(adapter
, eqo
, i
) {
1928 if (eqo
->q
.created
) {
1930 be_cmd_q_destroy(adapter
, &eqo
->q
, QTYPE_EQ
);
1931 netif_napi_del(&eqo
->napi
);
1933 be_queue_free(adapter
, &eqo
->q
);
1937 static int be_evt_queues_create(struct be_adapter
*adapter
)
1939 struct be_queue_info
*eq
;
1940 struct be_eq_obj
*eqo
;
1943 adapter
->num_evt_qs
= min_t(u16
, num_irqs(adapter
),
1944 adapter
->cfg_num_qs
);
1946 for_all_evt_queues(adapter
, eqo
, i
) {
1947 netif_napi_add(adapter
->netdev
, &eqo
->napi
, be_poll
,
1949 eqo
->adapter
= adapter
;
1950 eqo
->tx_budget
= BE_TX_BUDGET
;
1952 eqo
->max_eqd
= BE_MAX_EQD
;
1953 eqo
->enable_aic
= true;
1956 rc
= be_queue_alloc(adapter
, eq
, EVNT_Q_LEN
,
1957 sizeof(struct be_eq_entry
));
1961 rc
= be_cmd_eq_create(adapter
, eqo
);
1968 static void be_mcc_queues_destroy(struct be_adapter
*adapter
)
1970 struct be_queue_info
*q
;
1972 q
= &adapter
->mcc_obj
.q
;
1974 be_cmd_q_destroy(adapter
, q
, QTYPE_MCCQ
);
1975 be_queue_free(adapter
, q
);
1977 q
= &adapter
->mcc_obj
.cq
;
1979 be_cmd_q_destroy(adapter
, q
, QTYPE_CQ
);
1980 be_queue_free(adapter
, q
);
1983 /* Must be called only after TX qs are created as MCC shares TX EQ */
1984 static int be_mcc_queues_create(struct be_adapter
*adapter
)
1986 struct be_queue_info
*q
, *cq
;
1988 cq
= &adapter
->mcc_obj
.cq
;
1989 if (be_queue_alloc(adapter
, cq
, MCC_CQ_LEN
,
1990 sizeof(struct be_mcc_compl
)))
1993 /* Use the default EQ for MCC completions */
1994 if (be_cmd_cq_create(adapter
, cq
, &mcc_eqo(adapter
)->q
, true, 0))
1997 q
= &adapter
->mcc_obj
.q
;
1998 if (be_queue_alloc(adapter
, q
, MCC_Q_LEN
, sizeof(struct be_mcc_wrb
)))
1999 goto mcc_cq_destroy
;
2001 if (be_cmd_mccq_create(adapter
, q
, cq
))
2007 be_queue_free(adapter
, q
);
2009 be_cmd_q_destroy(adapter
, cq
, QTYPE_CQ
);
2011 be_queue_free(adapter
, cq
);
2016 static void be_tx_queues_destroy(struct be_adapter
*adapter
)
2018 struct be_queue_info
*q
;
2019 struct be_tx_obj
*txo
;
2022 for_all_tx_queues(adapter
, txo
, i
) {
2025 be_cmd_q_destroy(adapter
, q
, QTYPE_TXQ
);
2026 be_queue_free(adapter
, q
);
2030 be_cmd_q_destroy(adapter
, q
, QTYPE_CQ
);
2031 be_queue_free(adapter
, q
);
2035 static int be_tx_qs_create(struct be_adapter
*adapter
)
2037 struct be_queue_info
*cq
, *eq
;
2038 struct be_tx_obj
*txo
;
2041 adapter
->num_tx_qs
= min(adapter
->num_evt_qs
, be_max_txqs(adapter
));
2043 for_all_tx_queues(adapter
, txo
, i
) {
2045 status
= be_queue_alloc(adapter
, cq
, TX_CQ_LEN
,
2046 sizeof(struct be_eth_tx_compl
));
2050 /* If num_evt_qs is less than num_tx_qs, then more than
2051 * one txq share an eq
2053 eq
= &adapter
->eq_obj
[i
% adapter
->num_evt_qs
].q
;
2054 status
= be_cmd_cq_create(adapter
, cq
, eq
, false, 3);
2058 status
= be_queue_alloc(adapter
, &txo
->q
, TX_Q_LEN
,
2059 sizeof(struct be_eth_wrb
));
2063 status
= be_cmd_txq_create(adapter
, txo
);
2068 dev_info(&adapter
->pdev
->dev
, "created %d TX queue(s)\n",
2069 adapter
->num_tx_qs
);
2073 static void be_rx_cqs_destroy(struct be_adapter
*adapter
)
2075 struct be_queue_info
*q
;
2076 struct be_rx_obj
*rxo
;
2079 for_all_rx_queues(adapter
, rxo
, i
) {
2082 be_cmd_q_destroy(adapter
, q
, QTYPE_CQ
);
2083 be_queue_free(adapter
, q
);
2087 static int be_rx_cqs_create(struct be_adapter
*adapter
)
2089 struct be_queue_info
*eq
, *cq
;
2090 struct be_rx_obj
*rxo
;
2093 /* We can create as many RSS rings as there are EQs. */
2094 adapter
->num_rx_qs
= adapter
->num_evt_qs
;
2096 /* We'll use RSS only if atleast 2 RSS rings are supported.
2097 * When RSS is used, we'll need a default RXQ for non-IP traffic.
2099 if (adapter
->num_rx_qs
> 1)
2100 adapter
->num_rx_qs
++;
2102 adapter
->big_page_size
= (1 << get_order(rx_frag_size
)) * PAGE_SIZE
;
2103 for_all_rx_queues(adapter
, rxo
, i
) {
2104 rxo
->adapter
= adapter
;
2106 rc
= be_queue_alloc(adapter
, cq
, RX_CQ_LEN
,
2107 sizeof(struct be_eth_rx_compl
));
2111 eq
= &adapter
->eq_obj
[i
% adapter
->num_evt_qs
].q
;
2112 rc
= be_cmd_cq_create(adapter
, cq
, eq
, false, 3);
2117 dev_info(&adapter
->pdev
->dev
,
2118 "created %d RSS queue(s) and 1 default RX queue\n",
2119 adapter
->num_rx_qs
- 1);
2123 static irqreturn_t
be_intx(int irq
, void *dev
)
2125 struct be_eq_obj
*eqo
= dev
;
2126 struct be_adapter
*adapter
= eqo
->adapter
;
2129 /* IRQ is not expected when NAPI is scheduled as the EQ
2130 * will not be armed.
2131 * But, this can happen on Lancer INTx where it takes
2132 * a while to de-assert INTx or in BE2 where occasionaly
2133 * an interrupt may be raised even when EQ is unarmed.
2134 * If NAPI is already scheduled, then counting & notifying
2135 * events will orphan them.
2137 if (napi_schedule_prep(&eqo
->napi
)) {
2138 num_evts
= events_get(eqo
);
2139 __napi_schedule(&eqo
->napi
);
2141 eqo
->spurious_intr
= 0;
2143 be_eq_notify(adapter
, eqo
->q
.id
, false, true, num_evts
);
2145 /* Return IRQ_HANDLED only for the the first spurious intr
2146 * after a valid intr to stop the kernel from branding
2147 * this irq as a bad one!
2149 if (num_evts
|| eqo
->spurious_intr
++ == 0)
2155 static irqreturn_t
be_msix(int irq
, void *dev
)
2157 struct be_eq_obj
*eqo
= dev
;
2159 be_eq_notify(eqo
->adapter
, eqo
->q
.id
, false, true, 0);
2160 napi_schedule(&eqo
->napi
);
2164 static inline bool do_gro(struct be_rx_compl_info
*rxcp
)
2166 return (rxcp
->tcpf
&& !rxcp
->err
&& rxcp
->l4_csum
) ? true : false;
2169 static int be_process_rx(struct be_rx_obj
*rxo
, struct napi_struct
*napi
,
2172 struct be_adapter
*adapter
= rxo
->adapter
;
2173 struct be_queue_info
*rx_cq
= &rxo
->cq
;
2174 struct be_rx_compl_info
*rxcp
;
2177 for (work_done
= 0; work_done
< budget
; work_done
++) {
2178 rxcp
= be_rx_compl_get(rxo
);
2182 /* Is it a flush compl that has no data */
2183 if (unlikely(rxcp
->num_rcvd
== 0))
2186 /* Discard compl with partial DMA Lancer B0 */
2187 if (unlikely(!rxcp
->pkt_size
)) {
2188 be_rx_compl_discard(rxo
, rxcp
);
2192 /* On BE drop pkts that arrive due to imperfect filtering in
2193 * promiscuous mode on some skews
2195 if (unlikely(rxcp
->port
!= adapter
->port_num
&&
2196 !lancer_chip(adapter
))) {
2197 be_rx_compl_discard(rxo
, rxcp
);
2202 be_rx_compl_process_gro(rxo
, napi
, rxcp
);
2204 be_rx_compl_process(rxo
, rxcp
);
2206 be_rx_stats_update(rxo
, rxcp
);
2210 be_cq_notify(adapter
, rx_cq
->id
, true, work_done
);
2212 if (atomic_read(&rxo
->q
.used
) < RX_FRAGS_REFILL_WM
)
2213 be_post_rx_frags(rxo
, GFP_ATOMIC
);
2219 static bool be_process_tx(struct be_adapter
*adapter
, struct be_tx_obj
*txo
,
2220 int budget
, int idx
)
2222 struct be_eth_tx_compl
*txcp
;
2223 int num_wrbs
= 0, work_done
;
2225 for (work_done
= 0; work_done
< budget
; work_done
++) {
2226 txcp
= be_tx_compl_get(&txo
->cq
);
2229 num_wrbs
+= be_tx_compl_process(adapter
, txo
,
2230 AMAP_GET_BITS(struct amap_eth_tx_compl
,
2235 be_cq_notify(adapter
, txo
->cq
.id
, true, work_done
);
2236 atomic_sub(num_wrbs
, &txo
->q
.used
);
2238 /* As Tx wrbs have been freed up, wake up netdev queue
2239 * if it was stopped due to lack of tx wrbs. */
2240 if (__netif_subqueue_stopped(adapter
->netdev
, idx
) &&
2241 atomic_read(&txo
->q
.used
) < txo
->q
.len
/ 2) {
2242 netif_wake_subqueue(adapter
->netdev
, idx
);
2245 u64_stats_update_begin(&tx_stats(txo
)->sync_compl
);
2246 tx_stats(txo
)->tx_compl
+= work_done
;
2247 u64_stats_update_end(&tx_stats(txo
)->sync_compl
);
2249 return (work_done
< budget
); /* Done */
2252 int be_poll(struct napi_struct
*napi
, int budget
)
2254 struct be_eq_obj
*eqo
= container_of(napi
, struct be_eq_obj
, napi
);
2255 struct be_adapter
*adapter
= eqo
->adapter
;
2256 int max_work
= 0, work
, i
, num_evts
;
2259 num_evts
= events_get(eqo
);
2261 /* Process all TXQs serviced by this EQ */
2262 for (i
= eqo
->idx
; i
< adapter
->num_tx_qs
; i
+= adapter
->num_evt_qs
) {
2263 tx_done
= be_process_tx(adapter
, &adapter
->tx_obj
[i
],
2269 /* This loop will iterate twice for EQ0 in which
2270 * completions of the last RXQ (default one) are also processed
2271 * For other EQs the loop iterates only once
2273 for (i
= eqo
->idx
; i
< adapter
->num_rx_qs
; i
+= adapter
->num_evt_qs
) {
2274 work
= be_process_rx(&adapter
->rx_obj
[i
], napi
, budget
);
2275 max_work
= max(work
, max_work
);
2278 if (is_mcc_eqo(eqo
))
2279 be_process_mcc(adapter
);
2281 if (max_work
< budget
) {
2282 napi_complete(napi
);
2283 be_eq_notify(adapter
, eqo
->q
.id
, true, false, num_evts
);
2285 /* As we'll continue in polling mode, count and clear events */
2286 be_eq_notify(adapter
, eqo
->q
.id
, false, false, num_evts
);
2291 void be_detect_error(struct be_adapter
*adapter
)
2293 u32 ue_lo
= 0, ue_hi
= 0, ue_lo_mask
= 0, ue_hi_mask
= 0;
2294 u32 sliport_status
= 0, sliport_err1
= 0, sliport_err2
= 0;
2297 if (be_hw_error(adapter
))
2300 if (lancer_chip(adapter
)) {
2301 sliport_status
= ioread32(adapter
->db
+ SLIPORT_STATUS_OFFSET
);
2302 if (sliport_status
& SLIPORT_STATUS_ERR_MASK
) {
2303 sliport_err1
= ioread32(adapter
->db
+
2304 SLIPORT_ERROR1_OFFSET
);
2305 sliport_err2
= ioread32(adapter
->db
+
2306 SLIPORT_ERROR2_OFFSET
);
2309 pci_read_config_dword(adapter
->pdev
,
2310 PCICFG_UE_STATUS_LOW
, &ue_lo
);
2311 pci_read_config_dword(adapter
->pdev
,
2312 PCICFG_UE_STATUS_HIGH
, &ue_hi
);
2313 pci_read_config_dword(adapter
->pdev
,
2314 PCICFG_UE_STATUS_LOW_MASK
, &ue_lo_mask
);
2315 pci_read_config_dword(adapter
->pdev
,
2316 PCICFG_UE_STATUS_HI_MASK
, &ue_hi_mask
);
2318 ue_lo
= (ue_lo
& ~ue_lo_mask
);
2319 ue_hi
= (ue_hi
& ~ue_hi_mask
);
2322 /* On certain platforms BE hardware can indicate spurious UEs.
2323 * Allow the h/w to stop working completely in case of a real UE.
2324 * Hence not setting the hw_error for UE detection.
2326 if (sliport_status
& SLIPORT_STATUS_ERR_MASK
) {
2327 adapter
->hw_error
= true;
2328 dev_err(&adapter
->pdev
->dev
,
2329 "Error detected in the card\n");
2332 if (sliport_status
& SLIPORT_STATUS_ERR_MASK
) {
2333 dev_err(&adapter
->pdev
->dev
,
2334 "ERR: sliport status 0x%x\n", sliport_status
);
2335 dev_err(&adapter
->pdev
->dev
,
2336 "ERR: sliport error1 0x%x\n", sliport_err1
);
2337 dev_err(&adapter
->pdev
->dev
,
2338 "ERR: sliport error2 0x%x\n", sliport_err2
);
2342 for (i
= 0; ue_lo
; ue_lo
>>= 1, i
++) {
2344 dev_err(&adapter
->pdev
->dev
,
2345 "UE: %s bit set\n", ue_status_low_desc
[i
]);
2350 for (i
= 0; ue_hi
; ue_hi
>>= 1, i
++) {
2352 dev_err(&adapter
->pdev
->dev
,
2353 "UE: %s bit set\n", ue_status_hi_desc
[i
]);
2359 static void be_msix_disable(struct be_adapter
*adapter
)
2361 if (msix_enabled(adapter
)) {
2362 pci_disable_msix(adapter
->pdev
);
2363 adapter
->num_msix_vec
= 0;
2364 adapter
->num_msix_roce_vec
= 0;
2368 static int be_msix_enable(struct be_adapter
*adapter
)
2370 int i
, status
, num_vec
;
2371 struct device
*dev
= &adapter
->pdev
->dev
;
2373 /* If RoCE is supported, program the max number of NIC vectors that
2374 * may be configured via set-channels, along with vectors needed for
2375 * RoCe. Else, just program the number we'll use initially.
2377 if (be_roce_supported(adapter
))
2378 num_vec
= min_t(int, 2 * be_max_eqs(adapter
),
2379 2 * num_online_cpus());
2381 num_vec
= adapter
->cfg_num_qs
;
2383 for (i
= 0; i
< num_vec
; i
++)
2384 adapter
->msix_entries
[i
].entry
= i
;
2386 status
= pci_enable_msix(adapter
->pdev
, adapter
->msix_entries
, num_vec
);
2389 } else if (status
>= MIN_MSIX_VECTORS
) {
2391 status
= pci_enable_msix(adapter
->pdev
, adapter
->msix_entries
,
2397 dev_warn(dev
, "MSIx enable failed\n");
2399 /* INTx is not supported in VFs, so fail probe if enable_msix fails */
2400 if (!be_physfn(adapter
))
2404 if (be_roce_supported(adapter
) && num_vec
> MIN_MSIX_VECTORS
) {
2405 adapter
->num_msix_roce_vec
= num_vec
/ 2;
2406 dev_info(dev
, "enabled %d MSI-x vector(s) for RoCE\n",
2407 adapter
->num_msix_roce_vec
);
2410 adapter
->num_msix_vec
= num_vec
- adapter
->num_msix_roce_vec
;
2412 dev_info(dev
, "enabled %d MSI-x vector(s) for NIC\n",
2413 adapter
->num_msix_vec
);
2417 static inline int be_msix_vec_get(struct be_adapter
*adapter
,
2418 struct be_eq_obj
*eqo
)
2420 return adapter
->msix_entries
[eqo
->msix_idx
].vector
;
2423 static int be_msix_register(struct be_adapter
*adapter
)
2425 struct net_device
*netdev
= adapter
->netdev
;
2426 struct be_eq_obj
*eqo
;
2429 for_all_evt_queues(adapter
, eqo
, i
) {
2430 sprintf(eqo
->desc
, "%s-q%d", netdev
->name
, i
);
2431 vec
= be_msix_vec_get(adapter
, eqo
);
2432 status
= request_irq(vec
, be_msix
, 0, eqo
->desc
, eqo
);
2439 for (i
--, eqo
= &adapter
->eq_obj
[i
]; i
>= 0; i
--, eqo
--)
2440 free_irq(be_msix_vec_get(adapter
, eqo
), eqo
);
2441 dev_warn(&adapter
->pdev
->dev
, "MSIX Request IRQ failed - err %d\n",
2443 be_msix_disable(adapter
);
2447 static int be_irq_register(struct be_adapter
*adapter
)
2449 struct net_device
*netdev
= adapter
->netdev
;
2452 if (msix_enabled(adapter
)) {
2453 status
= be_msix_register(adapter
);
2456 /* INTx is not supported for VF */
2457 if (!be_physfn(adapter
))
2461 /* INTx: only the first EQ is used */
2462 netdev
->irq
= adapter
->pdev
->irq
;
2463 status
= request_irq(netdev
->irq
, be_intx
, IRQF_SHARED
, netdev
->name
,
2464 &adapter
->eq_obj
[0]);
2466 dev_err(&adapter
->pdev
->dev
,
2467 "INTx request IRQ failed - err %d\n", status
);
2471 adapter
->isr_registered
= true;
2475 static void be_irq_unregister(struct be_adapter
*adapter
)
2477 struct net_device
*netdev
= adapter
->netdev
;
2478 struct be_eq_obj
*eqo
;
2481 if (!adapter
->isr_registered
)
2485 if (!msix_enabled(adapter
)) {
2486 free_irq(netdev
->irq
, &adapter
->eq_obj
[0]);
2491 for_all_evt_queues(adapter
, eqo
, i
)
2492 free_irq(be_msix_vec_get(adapter
, eqo
), eqo
);
2495 adapter
->isr_registered
= false;
2498 static void be_rx_qs_destroy(struct be_adapter
*adapter
)
2500 struct be_queue_info
*q
;
2501 struct be_rx_obj
*rxo
;
2504 for_all_rx_queues(adapter
, rxo
, i
) {
2507 be_cmd_rxq_destroy(adapter
, q
);
2508 be_rx_cq_clean(rxo
);
2510 be_queue_free(adapter
, q
);
2514 static int be_close(struct net_device
*netdev
)
2516 struct be_adapter
*adapter
= netdev_priv(netdev
);
2517 struct be_eq_obj
*eqo
;
2520 be_roce_dev_close(adapter
);
2522 if (adapter
->flags
& BE_FLAGS_NAPI_ENABLED
) {
2523 for_all_evt_queues(adapter
, eqo
, i
)
2524 napi_disable(&eqo
->napi
);
2525 adapter
->flags
&= ~BE_FLAGS_NAPI_ENABLED
;
2528 be_async_mcc_disable(adapter
);
2530 /* Wait for all pending tx completions to arrive so that
2531 * all tx skbs are freed.
2533 netif_tx_disable(netdev
);
2534 be_tx_compl_clean(adapter
);
2536 be_rx_qs_destroy(adapter
);
2538 for_all_evt_queues(adapter
, eqo
, i
) {
2539 if (msix_enabled(adapter
))
2540 synchronize_irq(be_msix_vec_get(adapter
, eqo
));
2542 synchronize_irq(netdev
->irq
);
2546 be_irq_unregister(adapter
);
2551 static int be_rx_qs_create(struct be_adapter
*adapter
)
2553 struct be_rx_obj
*rxo
;
2557 for_all_rx_queues(adapter
, rxo
, i
) {
2558 rc
= be_queue_alloc(adapter
, &rxo
->q
, RX_Q_LEN
,
2559 sizeof(struct be_eth_rx_d
));
2564 /* The FW would like the default RXQ to be created first */
2565 rxo
= default_rxo(adapter
);
2566 rc
= be_cmd_rxq_create(adapter
, &rxo
->q
, rxo
->cq
.id
, rx_frag_size
,
2567 adapter
->if_handle
, false, &rxo
->rss_id
);
2571 for_all_rss_queues(adapter
, rxo
, i
) {
2572 rc
= be_cmd_rxq_create(adapter
, &rxo
->q
, rxo
->cq
.id
,
2573 rx_frag_size
, adapter
->if_handle
,
2574 true, &rxo
->rss_id
);
2579 if (be_multi_rxq(adapter
)) {
2580 for (j
= 0; j
< 128; j
+= adapter
->num_rx_qs
- 1) {
2581 for_all_rss_queues(adapter
, rxo
, i
) {
2584 rsstable
[j
+ i
] = rxo
->rss_id
;
2587 adapter
->rss_flags
= RSS_ENABLE_TCP_IPV4
| RSS_ENABLE_IPV4
|
2588 RSS_ENABLE_TCP_IPV6
| RSS_ENABLE_IPV6
;
2590 if (!BEx_chip(adapter
))
2591 adapter
->rss_flags
|= RSS_ENABLE_UDP_IPV4
|
2592 RSS_ENABLE_UDP_IPV6
;
2594 rc
= be_cmd_rss_config(adapter
, rsstable
, adapter
->rss_flags
,
2597 adapter
->rss_flags
= 0;
2602 /* First time posting */
2603 for_all_rx_queues(adapter
, rxo
, i
)
2604 be_post_rx_frags(rxo
, GFP_KERNEL
);
2608 static int be_open(struct net_device
*netdev
)
2610 struct be_adapter
*adapter
= netdev_priv(netdev
);
2611 struct be_eq_obj
*eqo
;
2612 struct be_rx_obj
*rxo
;
2613 struct be_tx_obj
*txo
;
2617 status
= be_rx_qs_create(adapter
);
2621 status
= be_irq_register(adapter
);
2625 for_all_rx_queues(adapter
, rxo
, i
)
2626 be_cq_notify(adapter
, rxo
->cq
.id
, true, 0);
2628 for_all_tx_queues(adapter
, txo
, i
)
2629 be_cq_notify(adapter
, txo
->cq
.id
, true, 0);
2631 be_async_mcc_enable(adapter
);
2633 for_all_evt_queues(adapter
, eqo
, i
) {
2634 napi_enable(&eqo
->napi
);
2635 be_eq_notify(adapter
, eqo
->q
.id
, true, false, 0);
2637 adapter
->flags
|= BE_FLAGS_NAPI_ENABLED
;
2639 status
= be_cmd_link_status_query(adapter
, NULL
, &link_status
, 0);
2641 be_link_status_update(adapter
, link_status
);
2643 netif_tx_start_all_queues(netdev
);
2644 be_roce_dev_open(adapter
);
2647 be_close(adapter
->netdev
);
2651 static int be_setup_wol(struct be_adapter
*adapter
, bool enable
)
2653 struct be_dma_mem cmd
;
2657 memset(mac
, 0, ETH_ALEN
);
2659 cmd
.size
= sizeof(struct be_cmd_req_acpi_wol_magic_config
);
2660 cmd
.va
= dma_zalloc_coherent(&adapter
->pdev
->dev
, cmd
.size
, &cmd
.dma
,
2666 status
= pci_write_config_dword(adapter
->pdev
,
2667 PCICFG_PM_CONTROL_OFFSET
, PCICFG_PM_CONTROL_MASK
);
2669 dev_err(&adapter
->pdev
->dev
,
2670 "Could not enable Wake-on-lan\n");
2671 dma_free_coherent(&adapter
->pdev
->dev
, cmd
.size
, cmd
.va
,
2675 status
= be_cmd_enable_magic_wol(adapter
,
2676 adapter
->netdev
->dev_addr
, &cmd
);
2677 pci_enable_wake(adapter
->pdev
, PCI_D3hot
, 1);
2678 pci_enable_wake(adapter
->pdev
, PCI_D3cold
, 1);
2680 status
= be_cmd_enable_magic_wol(adapter
, mac
, &cmd
);
2681 pci_enable_wake(adapter
->pdev
, PCI_D3hot
, 0);
2682 pci_enable_wake(adapter
->pdev
, PCI_D3cold
, 0);
2685 dma_free_coherent(&adapter
->pdev
->dev
, cmd
.size
, cmd
.va
, cmd
.dma
);
2690 * Generate a seed MAC address from the PF MAC Address using jhash.
2691 * MAC Address for VFs are assigned incrementally starting from the seed.
2692 * These addresses are programmed in the ASIC by the PF and the VF driver
2693 * queries for the MAC address during its probe.
2695 static int be_vf_eth_addr_config(struct be_adapter
*adapter
)
2700 struct be_vf_cfg
*vf_cfg
;
2702 be_vf_eth_addr_generate(adapter
, mac
);
2704 for_all_vfs(adapter
, vf_cfg
, vf
) {
2705 if (BEx_chip(adapter
))
2706 status
= be_cmd_pmac_add(adapter
, mac
,
2708 &vf_cfg
->pmac_id
, vf
+ 1);
2710 status
= be_cmd_set_mac(adapter
, mac
, vf_cfg
->if_handle
,
2714 dev_err(&adapter
->pdev
->dev
,
2715 "Mac address assignment failed for VF %d\n", vf
);
2717 memcpy(vf_cfg
->mac_addr
, mac
, ETH_ALEN
);
2724 static int be_vfs_mac_query(struct be_adapter
*adapter
)
2728 struct be_vf_cfg
*vf_cfg
;
2729 bool active
= false;
2731 for_all_vfs(adapter
, vf_cfg
, vf
) {
2732 be_cmd_get_mac_from_list(adapter
, mac
, &active
,
2733 &vf_cfg
->pmac_id
, 0);
2735 status
= be_cmd_mac_addr_query(adapter
, mac
, false,
2736 vf_cfg
->if_handle
, 0);
2739 memcpy(vf_cfg
->mac_addr
, mac
, ETH_ALEN
);
2744 static void be_vf_clear(struct be_adapter
*adapter
)
2746 struct be_vf_cfg
*vf_cfg
;
2749 if (pci_vfs_assigned(adapter
->pdev
)) {
2750 dev_warn(&adapter
->pdev
->dev
,
2751 "VFs are assigned to VMs: not disabling VFs\n");
2755 pci_disable_sriov(adapter
->pdev
);
2757 for_all_vfs(adapter
, vf_cfg
, vf
) {
2758 if (BEx_chip(adapter
))
2759 be_cmd_pmac_del(adapter
, vf_cfg
->if_handle
,
2760 vf_cfg
->pmac_id
, vf
+ 1);
2762 be_cmd_set_mac(adapter
, NULL
, vf_cfg
->if_handle
,
2765 be_cmd_if_destroy(adapter
, vf_cfg
->if_handle
, vf
+ 1);
2768 kfree(adapter
->vf_cfg
);
2769 adapter
->num_vfs
= 0;
2772 static void be_clear_queues(struct be_adapter
*adapter
)
2774 be_mcc_queues_destroy(adapter
);
2775 be_rx_cqs_destroy(adapter
);
2776 be_tx_queues_destroy(adapter
);
2777 be_evt_queues_destroy(adapter
);
2780 static void be_cancel_worker(struct be_adapter
*adapter
)
2782 if (adapter
->flags
& BE_FLAGS_WORKER_SCHEDULED
) {
2783 cancel_delayed_work_sync(&adapter
->work
);
2784 adapter
->flags
&= ~BE_FLAGS_WORKER_SCHEDULED
;
2788 static int be_clear(struct be_adapter
*adapter
)
2792 be_cancel_worker(adapter
);
2794 if (sriov_enabled(adapter
))
2795 be_vf_clear(adapter
);
2797 /* delete the primary mac along with the uc-mac list */
2798 for (i
= 0; i
< (adapter
->uc_macs
+ 1); i
++)
2799 be_cmd_pmac_del(adapter
, adapter
->if_handle
,
2800 adapter
->pmac_id
[i
], 0);
2801 adapter
->uc_macs
= 0;
2803 be_cmd_if_destroy(adapter
, adapter
->if_handle
, 0);
2805 be_clear_queues(adapter
);
2807 kfree(adapter
->pmac_id
);
2808 adapter
->pmac_id
= NULL
;
2810 be_msix_disable(adapter
);
2814 static int be_vfs_if_create(struct be_adapter
*adapter
)
2816 struct be_resources res
= {0};
2817 struct be_vf_cfg
*vf_cfg
;
2818 u32 cap_flags
, en_flags
, vf
;
2821 cap_flags
= BE_IF_FLAGS_UNTAGGED
| BE_IF_FLAGS_BROADCAST
|
2822 BE_IF_FLAGS_MULTICAST
;
2824 for_all_vfs(adapter
, vf_cfg
, vf
) {
2825 if (!BE3_chip(adapter
)) {
2826 status
= be_cmd_get_profile_config(adapter
, &res
,
2829 cap_flags
= res
.if_cap_flags
;
2832 /* If a FW profile exists, then cap_flags are updated */
2833 en_flags
= cap_flags
& (BE_IF_FLAGS_UNTAGGED
|
2834 BE_IF_FLAGS_BROADCAST
| BE_IF_FLAGS_MULTICAST
);
2835 status
= be_cmd_if_create(adapter
, cap_flags
, en_flags
,
2836 &vf_cfg
->if_handle
, vf
+ 1);
2844 static int be_vf_setup_init(struct be_adapter
*adapter
)
2846 struct be_vf_cfg
*vf_cfg
;
2849 adapter
->vf_cfg
= kcalloc(adapter
->num_vfs
, sizeof(*vf_cfg
),
2851 if (!adapter
->vf_cfg
)
2854 for_all_vfs(adapter
, vf_cfg
, vf
) {
2855 vf_cfg
->if_handle
= -1;
2856 vf_cfg
->pmac_id
= -1;
2861 static int be_vf_setup(struct be_adapter
*adapter
)
2863 struct be_vf_cfg
*vf_cfg
;
2864 u16 def_vlan
, lnk_speed
;
2865 int status
, old_vfs
, vf
;
2866 struct device
*dev
= &adapter
->pdev
->dev
;
2869 old_vfs
= pci_num_vf(adapter
->pdev
);
2871 dev_info(dev
, "%d VFs are already enabled\n", old_vfs
);
2872 if (old_vfs
!= num_vfs
)
2873 dev_warn(dev
, "Ignoring num_vfs=%d setting\n", num_vfs
);
2874 adapter
->num_vfs
= old_vfs
;
2876 if (num_vfs
> be_max_vfs(adapter
))
2877 dev_info(dev
, "Device supports %d VFs and not %d\n",
2878 be_max_vfs(adapter
), num_vfs
);
2879 adapter
->num_vfs
= min_t(u16
, num_vfs
, be_max_vfs(adapter
));
2880 if (!adapter
->num_vfs
)
2884 status
= be_vf_setup_init(adapter
);
2889 for_all_vfs(adapter
, vf_cfg
, vf
) {
2890 status
= be_cmd_get_if_id(adapter
, vf_cfg
, vf
);
2895 status
= be_vfs_if_create(adapter
);
2901 status
= be_vfs_mac_query(adapter
);
2905 status
= be_vf_eth_addr_config(adapter
);
2910 for_all_vfs(adapter
, vf_cfg
, vf
) {
2911 /* Allow VFs to programs MAC/VLAN filters */
2912 status
= be_cmd_get_fn_privileges(adapter
, &privileges
, vf
+ 1);
2913 if (!status
&& !(privileges
& BE_PRIV_FILTMGMT
)) {
2914 status
= be_cmd_set_fn_privileges(adapter
,
2919 dev_info(dev
, "VF%d has FILTMGMT privilege\n",
2923 /* BE3 FW, by default, caps VF TX-rate to 100mbps.
2924 * Allow full available bandwidth
2926 if (BE3_chip(adapter
) && !old_vfs
)
2927 be_cmd_set_qos(adapter
, 1000, vf
+1);
2929 status
= be_cmd_link_status_query(adapter
, &lnk_speed
,
2932 vf_cfg
->tx_rate
= lnk_speed
;
2934 status
= be_cmd_get_hsw_config(adapter
, &def_vlan
,
2935 vf
+ 1, vf_cfg
->if_handle
, NULL
);
2938 vf_cfg
->def_vid
= def_vlan
;
2940 be_cmd_enable_vf(adapter
, vf
+ 1);
2944 status
= pci_enable_sriov(adapter
->pdev
, adapter
->num_vfs
);
2946 dev_err(dev
, "SRIOV enable failed\n");
2947 adapter
->num_vfs
= 0;
2953 dev_err(dev
, "VF setup failed\n");
2954 be_vf_clear(adapter
);
2958 /* On BE2/BE3 FW does not suggest the supported limits */
2959 static void BEx_get_resources(struct be_adapter
*adapter
,
2960 struct be_resources
*res
)
2962 struct pci_dev
*pdev
= adapter
->pdev
;
2963 bool use_sriov
= false;
2965 if (BE3_chip(adapter
) && be_physfn(adapter
)) {
2968 max_vfs
= pci_sriov_get_totalvfs(pdev
);
2969 res
->max_vfs
= max_vfs
> 0 ? min(MAX_VFS
, max_vfs
) : 0;
2970 use_sriov
= res
->max_vfs
&& num_vfs
;
2973 if (be_physfn(adapter
))
2974 res
->max_uc_mac
= BE_UC_PMAC_COUNT
;
2976 res
->max_uc_mac
= BE_VF_UC_PMAC_COUNT
;
2978 if (adapter
->function_mode
& FLEX10_MODE
)
2979 res
->max_vlans
= BE_NUM_VLANS_SUPPORTED
/8;
2980 else if (adapter
->function_mode
& UMC_ENABLED
)
2981 res
->max_vlans
= BE_UMC_NUM_VLANS_SUPPORTED
;
2983 res
->max_vlans
= BE_NUM_VLANS_SUPPORTED
;
2984 res
->max_mcast_mac
= BE_MAX_MC
;
2986 if (BE2_chip(adapter
) || use_sriov
|| be_is_mc(adapter
) ||
2987 !be_physfn(adapter
))
2990 res
->max_tx_qs
= BE3_MAX_TX_QS
;
2992 if ((adapter
->function_caps
& BE_FUNCTION_CAPS_RSS
) &&
2993 !use_sriov
&& be_physfn(adapter
))
2994 res
->max_rss_qs
= (adapter
->be3_native
) ?
2995 BE3_MAX_RSS_QS
: BE2_MAX_RSS_QS
;
2996 res
->max_rx_qs
= res
->max_rss_qs
+ 1;
2998 res
->max_evt_qs
= be_physfn(adapter
) ? BE3_MAX_EVT_QS
: 1;
3000 res
->if_cap_flags
= BE_IF_CAP_FLAGS_WANT
;
3001 if (!(adapter
->function_caps
& BE_FUNCTION_CAPS_RSS
))
3002 res
->if_cap_flags
&= ~BE_IF_FLAGS_RSS
;
3005 static void be_setup_init(struct be_adapter
*adapter
)
3007 adapter
->vlan_prio_bmap
= 0xff;
3008 adapter
->phy
.link_speed
= -1;
3009 adapter
->if_handle
= -1;
3010 adapter
->be3_native
= false;
3011 adapter
->promiscuous
= false;
3012 if (be_physfn(adapter
))
3013 adapter
->cmd_privileges
= MAX_PRIVILEGES
;
3015 adapter
->cmd_privileges
= MIN_PRIVILEGES
;
3018 static int be_get_resources(struct be_adapter
*adapter
)
3020 struct device
*dev
= &adapter
->pdev
->dev
;
3021 struct be_resources res
= {0};
3024 if (BEx_chip(adapter
)) {
3025 BEx_get_resources(adapter
, &res
);
3029 /* For BE3 only check if FW suggests a different max-txqs value */
3030 if (BE3_chip(adapter
)) {
3031 status
= be_cmd_get_profile_config(adapter
, &res
, 0);
3032 if (!status
&& res
.max_tx_qs
)
3033 adapter
->res
.max_tx_qs
=
3034 min(adapter
->res
.max_tx_qs
, res
.max_tx_qs
);
3037 /* For Lancer, SH etc read per-function resource limits from FW.
3038 * GET_FUNC_CONFIG returns per function guaranteed limits.
3039 * GET_PROFILE_CONFIG returns PCI-E related limits PF-pool limits
3041 if (!BEx_chip(adapter
)) {
3042 status
= be_cmd_get_func_config(adapter
, &res
);
3046 /* If RoCE may be enabled stash away half the EQs for RoCE */
3047 if (be_roce_supported(adapter
))
3048 res
.max_evt_qs
/= 2;
3051 if (be_physfn(adapter
)) {
3052 status
= be_cmd_get_profile_config(adapter
, &res
, 0);
3055 adapter
->res
.max_vfs
= res
.max_vfs
;
3058 dev_info(dev
, "Max: txqs %d, rxqs %d, rss %d, eqs %d, vfs %d\n",
3059 be_max_txqs(adapter
), be_max_rxqs(adapter
),
3060 be_max_rss(adapter
), be_max_eqs(adapter
),
3061 be_max_vfs(adapter
));
3062 dev_info(dev
, "Max: uc-macs %d, mc-macs %d, vlans %d\n",
3063 be_max_uc(adapter
), be_max_mc(adapter
),
3064 be_max_vlans(adapter
));
3070 /* Routine to query per function resource limits */
3071 static int be_get_config(struct be_adapter
*adapter
)
3075 status
= be_cmd_query_fw_cfg(adapter
, &adapter
->port_num
,
3076 &adapter
->function_mode
,
3077 &adapter
->function_caps
,
3078 &adapter
->asic_rev
);
3082 status
= be_get_resources(adapter
);
3086 /* primary mac needs 1 pmac entry */
3087 adapter
->pmac_id
= kcalloc(be_max_uc(adapter
) + 1, sizeof(u32
),
3089 if (!adapter
->pmac_id
)
3092 /* Sanitize cfg_num_qs based on HW and platform limits */
3093 adapter
->cfg_num_qs
= min(adapter
->cfg_num_qs
, be_max_qs(adapter
));
3098 static int be_mac_setup(struct be_adapter
*adapter
)
3103 if (is_zero_ether_addr(adapter
->netdev
->dev_addr
)) {
3104 status
= be_cmd_get_perm_mac(adapter
, mac
);
3108 memcpy(adapter
->netdev
->dev_addr
, mac
, ETH_ALEN
);
3109 memcpy(adapter
->netdev
->perm_addr
, mac
, ETH_ALEN
);
3111 /* Maybe the HW was reset; dev_addr must be re-programmed */
3112 memcpy(mac
, adapter
->netdev
->dev_addr
, ETH_ALEN
);
3115 /* On BE3 VFs this cmd may fail due to lack of privilege.
3116 * Ignore the failure as in this case pmac_id is fetched
3117 * in the IFACE_CREATE cmd.
3119 be_cmd_pmac_add(adapter
, mac
, adapter
->if_handle
,
3120 &adapter
->pmac_id
[0], 0);
3124 static void be_schedule_worker(struct be_adapter
*adapter
)
3126 schedule_delayed_work(&adapter
->work
, msecs_to_jiffies(1000));
3127 adapter
->flags
|= BE_FLAGS_WORKER_SCHEDULED
;
3130 static int be_setup_queues(struct be_adapter
*adapter
)
3132 struct net_device
*netdev
= adapter
->netdev
;
3135 status
= be_evt_queues_create(adapter
);
3139 status
= be_tx_qs_create(adapter
);
3143 status
= be_rx_cqs_create(adapter
);
3147 status
= be_mcc_queues_create(adapter
);
3151 status
= netif_set_real_num_rx_queues(netdev
, adapter
->num_rx_qs
);
3155 status
= netif_set_real_num_tx_queues(netdev
, adapter
->num_tx_qs
);
3161 dev_err(&adapter
->pdev
->dev
, "queue_setup failed\n");
3165 int be_update_queues(struct be_adapter
*adapter
)
3167 struct net_device
*netdev
= adapter
->netdev
;
3170 if (netif_running(netdev
))
3173 be_cancel_worker(adapter
);
3175 /* If any vectors have been shared with RoCE we cannot re-program
3178 if (!adapter
->num_msix_roce_vec
)
3179 be_msix_disable(adapter
);
3181 be_clear_queues(adapter
);
3183 if (!msix_enabled(adapter
)) {
3184 status
= be_msix_enable(adapter
);
3189 status
= be_setup_queues(adapter
);
3193 be_schedule_worker(adapter
);
3195 if (netif_running(netdev
))
3196 status
= be_open(netdev
);
3201 static int be_setup(struct be_adapter
*adapter
)
3203 struct device
*dev
= &adapter
->pdev
->dev
;
3204 u32 tx_fc
, rx_fc
, en_flags
;
3207 be_setup_init(adapter
);
3209 if (!lancer_chip(adapter
))
3210 be_cmd_req_native_mode(adapter
);
3212 status
= be_get_config(adapter
);
3216 status
= be_msix_enable(adapter
);
3220 en_flags
= BE_IF_FLAGS_UNTAGGED
| BE_IF_FLAGS_BROADCAST
|
3221 BE_IF_FLAGS_MULTICAST
| BE_IF_FLAGS_PASS_L3L4_ERRORS
;
3222 if (adapter
->function_caps
& BE_FUNCTION_CAPS_RSS
)
3223 en_flags
|= BE_IF_FLAGS_RSS
;
3224 en_flags
= en_flags
& be_if_cap_flags(adapter
);
3225 status
= be_cmd_if_create(adapter
, be_if_cap_flags(adapter
), en_flags
,
3226 &adapter
->if_handle
, 0);
3230 /* Updating real_num_tx/rx_queues() requires rtnl_lock() */
3232 status
= be_setup_queues(adapter
);
3237 be_cmd_get_fn_privileges(adapter
, &adapter
->cmd_privileges
, 0);
3238 /* In UMC mode FW does not return right privileges.
3239 * Override with correct privilege equivalent to PF.
3241 if (be_is_mc(adapter
))
3242 adapter
->cmd_privileges
= MAX_PRIVILEGES
;
3244 status
= be_mac_setup(adapter
);
3248 be_cmd_get_fw_ver(adapter
, adapter
->fw_ver
, adapter
->fw_on_flash
);
3250 if (adapter
->vlans_added
)
3251 be_vid_config(adapter
);
3253 be_set_rx_mode(adapter
->netdev
);
3255 be_cmd_get_flow_control(adapter
, &tx_fc
, &rx_fc
);
3257 if (rx_fc
!= adapter
->rx_fc
|| tx_fc
!= adapter
->tx_fc
)
3258 be_cmd_set_flow_control(adapter
, adapter
->tx_fc
,
3261 if (be_physfn(adapter
) && num_vfs
) {
3262 if (be_max_vfs(adapter
))
3263 be_vf_setup(adapter
);
3265 dev_warn(dev
, "device doesn't support SRIOV\n");
3268 status
= be_cmd_get_phy_info(adapter
);
3269 if (!status
&& be_pause_supported(adapter
))
3270 adapter
->phy
.fc_autoneg
= 1;
3272 be_schedule_worker(adapter
);
3279 #ifdef CONFIG_NET_POLL_CONTROLLER
3280 static void be_netpoll(struct net_device
*netdev
)
3282 struct be_adapter
*adapter
= netdev_priv(netdev
);
3283 struct be_eq_obj
*eqo
;
3286 for_all_evt_queues(adapter
, eqo
, i
) {
3287 be_eq_notify(eqo
->adapter
, eqo
->q
.id
, false, true, 0);
3288 napi_schedule(&eqo
->napi
);
3295 #define FW_FILE_HDR_SIGN "ServerEngines Corp. "
3296 static char flash_cookie
[2][16] = {"*** SE FLAS", "H DIRECTORY *** "};
3298 static bool be_flash_redboot(struct be_adapter
*adapter
,
3299 const u8
*p
, u32 img_start
, int image_size
,
3306 crc_offset
= hdr_size
+ img_start
+ image_size
- 4;
3310 status
= be_cmd_get_flash_crc(adapter
, flashed_crc
,
3313 dev_err(&adapter
->pdev
->dev
,
3314 "could not get crc from flash, not flashing redboot\n");
3318 /*update redboot only if crc does not match*/
3319 if (!memcmp(flashed_crc
, p
, 4))
3325 static bool phy_flashing_required(struct be_adapter
*adapter
)
3327 return (adapter
->phy
.phy_type
== TN_8022
&&
3328 adapter
->phy
.interface_type
== PHY_TYPE_BASET_10GB
);
3331 static bool is_comp_in_ufi(struct be_adapter
*adapter
,
3332 struct flash_section_info
*fsec
, int type
)
3334 int i
= 0, img_type
= 0;
3335 struct flash_section_info_g2
*fsec_g2
= NULL
;
3337 if (BE2_chip(adapter
))
3338 fsec_g2
= (struct flash_section_info_g2
*)fsec
;
3340 for (i
= 0; i
< MAX_FLASH_COMP
; i
++) {
3342 img_type
= le32_to_cpu(fsec_g2
->fsec_entry
[i
].type
);
3344 img_type
= le32_to_cpu(fsec
->fsec_entry
[i
].type
);
3346 if (img_type
== type
)
3353 static struct flash_section_info
*get_fsec_info(struct be_adapter
*adapter
,
3355 const struct firmware
*fw
)
3357 struct flash_section_info
*fsec
= NULL
;
3358 const u8
*p
= fw
->data
;
3361 while (p
< (fw
->data
+ fw
->size
)) {
3362 fsec
= (struct flash_section_info
*)p
;
3363 if (!memcmp(flash_cookie
, fsec
->cookie
, sizeof(flash_cookie
)))
3370 static int be_flash(struct be_adapter
*adapter
, const u8
*img
,
3371 struct be_dma_mem
*flash_cmd
, int optype
, int img_size
)
3373 u32 total_bytes
= 0, flash_op
, num_bytes
= 0;
3375 struct be_cmd_write_flashrom
*req
= flash_cmd
->va
;
3377 total_bytes
= img_size
;
3378 while (total_bytes
) {
3379 num_bytes
= min_t(u32
, 32*1024, total_bytes
);
3381 total_bytes
-= num_bytes
;
3384 if (optype
== OPTYPE_PHY_FW
)
3385 flash_op
= FLASHROM_OPER_PHY_FLASH
;
3387 flash_op
= FLASHROM_OPER_FLASH
;
3389 if (optype
== OPTYPE_PHY_FW
)
3390 flash_op
= FLASHROM_OPER_PHY_SAVE
;
3392 flash_op
= FLASHROM_OPER_SAVE
;
3395 memcpy(req
->data_buf
, img
, num_bytes
);
3397 status
= be_cmd_write_flashrom(adapter
, flash_cmd
, optype
,
3398 flash_op
, num_bytes
);
3400 if (status
== ILLEGAL_IOCTL_REQ
&&
3401 optype
== OPTYPE_PHY_FW
)
3403 dev_err(&adapter
->pdev
->dev
,
3404 "cmd to write to flash rom failed.\n");
3411 /* For BE2, BE3 and BE3-R */
3412 static int be_flash_BEx(struct be_adapter
*adapter
,
3413 const struct firmware
*fw
,
3414 struct be_dma_mem
*flash_cmd
,
3418 int status
= 0, i
, filehdr_size
= 0;
3419 int img_hdrs_size
= (num_of_images
* sizeof(struct image_hdr
));
3420 const u8
*p
= fw
->data
;
3421 const struct flash_comp
*pflashcomp
;
3422 int num_comp
, redboot
;
3423 struct flash_section_info
*fsec
= NULL
;
3425 struct flash_comp gen3_flash_types
[] = {
3426 { FLASH_iSCSI_PRIMARY_IMAGE_START_g3
, OPTYPE_ISCSI_ACTIVE
,
3427 FLASH_IMAGE_MAX_SIZE_g3
, IMAGE_FIRMWARE_iSCSI
},
3428 { FLASH_REDBOOT_START_g3
, OPTYPE_REDBOOT
,
3429 FLASH_REDBOOT_IMAGE_MAX_SIZE_g3
, IMAGE_BOOT_CODE
},
3430 { FLASH_iSCSI_BIOS_START_g3
, OPTYPE_BIOS
,
3431 FLASH_BIOS_IMAGE_MAX_SIZE_g3
, IMAGE_OPTION_ROM_ISCSI
},
3432 { FLASH_PXE_BIOS_START_g3
, OPTYPE_PXE_BIOS
,
3433 FLASH_BIOS_IMAGE_MAX_SIZE_g3
, IMAGE_OPTION_ROM_PXE
},
3434 { FLASH_FCoE_BIOS_START_g3
, OPTYPE_FCOE_BIOS
,
3435 FLASH_BIOS_IMAGE_MAX_SIZE_g3
, IMAGE_OPTION_ROM_FCoE
},
3436 { FLASH_iSCSI_BACKUP_IMAGE_START_g3
, OPTYPE_ISCSI_BACKUP
,
3437 FLASH_IMAGE_MAX_SIZE_g3
, IMAGE_FIRMWARE_BACKUP_iSCSI
},
3438 { FLASH_FCoE_PRIMARY_IMAGE_START_g3
, OPTYPE_FCOE_FW_ACTIVE
,
3439 FLASH_IMAGE_MAX_SIZE_g3
, IMAGE_FIRMWARE_FCoE
},
3440 { FLASH_FCoE_BACKUP_IMAGE_START_g3
, OPTYPE_FCOE_FW_BACKUP
,
3441 FLASH_IMAGE_MAX_SIZE_g3
, IMAGE_FIRMWARE_BACKUP_FCoE
},
3442 { FLASH_NCSI_START_g3
, OPTYPE_NCSI_FW
,
3443 FLASH_NCSI_IMAGE_MAX_SIZE_g3
, IMAGE_NCSI
},
3444 { FLASH_PHY_FW_START_g3
, OPTYPE_PHY_FW
,
3445 FLASH_PHY_FW_IMAGE_MAX_SIZE_g3
, IMAGE_FIRMWARE_PHY
}
3448 struct flash_comp gen2_flash_types
[] = {
3449 { FLASH_iSCSI_PRIMARY_IMAGE_START_g2
, OPTYPE_ISCSI_ACTIVE
,
3450 FLASH_IMAGE_MAX_SIZE_g2
, IMAGE_FIRMWARE_iSCSI
},
3451 { FLASH_REDBOOT_START_g2
, OPTYPE_REDBOOT
,
3452 FLASH_REDBOOT_IMAGE_MAX_SIZE_g2
, IMAGE_BOOT_CODE
},
3453 { FLASH_iSCSI_BIOS_START_g2
, OPTYPE_BIOS
,
3454 FLASH_BIOS_IMAGE_MAX_SIZE_g2
, IMAGE_OPTION_ROM_ISCSI
},
3455 { FLASH_PXE_BIOS_START_g2
, OPTYPE_PXE_BIOS
,
3456 FLASH_BIOS_IMAGE_MAX_SIZE_g2
, IMAGE_OPTION_ROM_PXE
},
3457 { FLASH_FCoE_BIOS_START_g2
, OPTYPE_FCOE_BIOS
,
3458 FLASH_BIOS_IMAGE_MAX_SIZE_g2
, IMAGE_OPTION_ROM_FCoE
},
3459 { FLASH_iSCSI_BACKUP_IMAGE_START_g2
, OPTYPE_ISCSI_BACKUP
,
3460 FLASH_IMAGE_MAX_SIZE_g2
, IMAGE_FIRMWARE_BACKUP_iSCSI
},
3461 { FLASH_FCoE_PRIMARY_IMAGE_START_g2
, OPTYPE_FCOE_FW_ACTIVE
,
3462 FLASH_IMAGE_MAX_SIZE_g2
, IMAGE_FIRMWARE_FCoE
},
3463 { FLASH_FCoE_BACKUP_IMAGE_START_g2
, OPTYPE_FCOE_FW_BACKUP
,
3464 FLASH_IMAGE_MAX_SIZE_g2
, IMAGE_FIRMWARE_BACKUP_FCoE
}
3467 if (BE3_chip(adapter
)) {
3468 pflashcomp
= gen3_flash_types
;
3469 filehdr_size
= sizeof(struct flash_file_hdr_g3
);
3470 num_comp
= ARRAY_SIZE(gen3_flash_types
);
3472 pflashcomp
= gen2_flash_types
;
3473 filehdr_size
= sizeof(struct flash_file_hdr_g2
);
3474 num_comp
= ARRAY_SIZE(gen2_flash_types
);
3477 /* Get flash section info*/
3478 fsec
= get_fsec_info(adapter
, filehdr_size
+ img_hdrs_size
, fw
);
3480 dev_err(&adapter
->pdev
->dev
,
3481 "Invalid Cookie. UFI corrupted ?\n");
3484 for (i
= 0; i
< num_comp
; i
++) {
3485 if (!is_comp_in_ufi(adapter
, fsec
, pflashcomp
[i
].img_type
))
3488 if ((pflashcomp
[i
].optype
== OPTYPE_NCSI_FW
) &&
3489 memcmp(adapter
->fw_ver
, "3.102.148.0", 11) < 0)
3492 if (pflashcomp
[i
].optype
== OPTYPE_PHY_FW
&&
3493 !phy_flashing_required(adapter
))
3496 if (pflashcomp
[i
].optype
== OPTYPE_REDBOOT
) {
3497 redboot
= be_flash_redboot(adapter
, fw
->data
,
3498 pflashcomp
[i
].offset
, pflashcomp
[i
].size
,
3499 filehdr_size
+ img_hdrs_size
);
3505 p
+= filehdr_size
+ pflashcomp
[i
].offset
+ img_hdrs_size
;
3506 if (p
+ pflashcomp
[i
].size
> fw
->data
+ fw
->size
)
3509 status
= be_flash(adapter
, p
, flash_cmd
, pflashcomp
[i
].optype
,
3510 pflashcomp
[i
].size
);
3512 dev_err(&adapter
->pdev
->dev
,
3513 "Flashing section type %d failed.\n",
3514 pflashcomp
[i
].img_type
);
3521 static int be_flash_skyhawk(struct be_adapter
*adapter
,
3522 const struct firmware
*fw
,
3523 struct be_dma_mem
*flash_cmd
, int num_of_images
)
3525 int status
= 0, i
, filehdr_size
= 0;
3526 int img_offset
, img_size
, img_optype
, redboot
;
3527 int img_hdrs_size
= num_of_images
* sizeof(struct image_hdr
);
3528 const u8
*p
= fw
->data
;
3529 struct flash_section_info
*fsec
= NULL
;
3531 filehdr_size
= sizeof(struct flash_file_hdr_g3
);
3532 fsec
= get_fsec_info(adapter
, filehdr_size
+ img_hdrs_size
, fw
);
3534 dev_err(&adapter
->pdev
->dev
,
3535 "Invalid Cookie. UFI corrupted ?\n");
3539 for (i
= 0; i
< le32_to_cpu(fsec
->fsec_hdr
.num_images
); i
++) {
3540 img_offset
= le32_to_cpu(fsec
->fsec_entry
[i
].offset
);
3541 img_size
= le32_to_cpu(fsec
->fsec_entry
[i
].pad_size
);
3543 switch (le32_to_cpu(fsec
->fsec_entry
[i
].type
)) {
3544 case IMAGE_FIRMWARE_iSCSI
:
3545 img_optype
= OPTYPE_ISCSI_ACTIVE
;
3547 case IMAGE_BOOT_CODE
:
3548 img_optype
= OPTYPE_REDBOOT
;
3550 case IMAGE_OPTION_ROM_ISCSI
:
3551 img_optype
= OPTYPE_BIOS
;
3553 case IMAGE_OPTION_ROM_PXE
:
3554 img_optype
= OPTYPE_PXE_BIOS
;
3556 case IMAGE_OPTION_ROM_FCoE
:
3557 img_optype
= OPTYPE_FCOE_BIOS
;
3559 case IMAGE_FIRMWARE_BACKUP_iSCSI
:
3560 img_optype
= OPTYPE_ISCSI_BACKUP
;
3563 img_optype
= OPTYPE_NCSI_FW
;
3569 if (img_optype
== OPTYPE_REDBOOT
) {
3570 redboot
= be_flash_redboot(adapter
, fw
->data
,
3571 img_offset
, img_size
,
3572 filehdr_size
+ img_hdrs_size
);
3578 p
+= filehdr_size
+ img_offset
+ img_hdrs_size
;
3579 if (p
+ img_size
> fw
->data
+ fw
->size
)
3582 status
= be_flash(adapter
, p
, flash_cmd
, img_optype
, img_size
);
3584 dev_err(&adapter
->pdev
->dev
,
3585 "Flashing section type %d failed.\n",
3586 fsec
->fsec_entry
[i
].type
);
3593 static int lancer_fw_download(struct be_adapter
*adapter
,
3594 const struct firmware
*fw
)
3596 #define LANCER_FW_DOWNLOAD_CHUNK (32 * 1024)
3597 #define LANCER_FW_DOWNLOAD_LOCATION "/prg"
3598 struct be_dma_mem flash_cmd
;
3599 const u8
*data_ptr
= NULL
;
3600 u8
*dest_image_ptr
= NULL
;
3601 size_t image_size
= 0;
3603 u32 data_written
= 0;
3609 if (!IS_ALIGNED(fw
->size
, sizeof(u32
))) {
3610 dev_err(&adapter
->pdev
->dev
,
3611 "FW Image not properly aligned. "
3612 "Length must be 4 byte aligned.\n");
3614 goto lancer_fw_exit
;
3617 flash_cmd
.size
= sizeof(struct lancer_cmd_req_write_object
)
3618 + LANCER_FW_DOWNLOAD_CHUNK
;
3619 flash_cmd
.va
= dma_alloc_coherent(&adapter
->pdev
->dev
, flash_cmd
.size
,
3620 &flash_cmd
.dma
, GFP_KERNEL
);
3621 if (!flash_cmd
.va
) {
3623 goto lancer_fw_exit
;
3626 dest_image_ptr
= flash_cmd
.va
+
3627 sizeof(struct lancer_cmd_req_write_object
);
3628 image_size
= fw
->size
;
3629 data_ptr
= fw
->data
;
3631 while (image_size
) {
3632 chunk_size
= min_t(u32
, image_size
, LANCER_FW_DOWNLOAD_CHUNK
);
3634 /* Copy the image chunk content. */
3635 memcpy(dest_image_ptr
, data_ptr
, chunk_size
);
3637 status
= lancer_cmd_write_object(adapter
, &flash_cmd
,
3639 LANCER_FW_DOWNLOAD_LOCATION
,
3640 &data_written
, &change_status
,
3645 offset
+= data_written
;
3646 data_ptr
+= data_written
;
3647 image_size
-= data_written
;
3651 /* Commit the FW written */
3652 status
= lancer_cmd_write_object(adapter
, &flash_cmd
,
3654 LANCER_FW_DOWNLOAD_LOCATION
,
3655 &data_written
, &change_status
,
3659 dma_free_coherent(&adapter
->pdev
->dev
, flash_cmd
.size
, flash_cmd
.va
,
3662 dev_err(&adapter
->pdev
->dev
,
3663 "Firmware load error. "
3664 "Status code: 0x%x Additional Status: 0x%x\n",
3665 status
, add_status
);
3666 goto lancer_fw_exit
;
3669 if (change_status
== LANCER_FW_RESET_NEEDED
) {
3670 status
= lancer_physdev_ctrl(adapter
,
3671 PHYSDEV_CONTROL_FW_RESET_MASK
);
3673 dev_err(&adapter
->pdev
->dev
,
3674 "Adapter busy for FW reset.\n"
3675 "New FW will not be active.\n");
3676 goto lancer_fw_exit
;
3678 } else if (change_status
!= LANCER_NO_RESET_NEEDED
) {
3679 dev_err(&adapter
->pdev
->dev
,
3680 "System reboot required for new FW"
3684 dev_info(&adapter
->pdev
->dev
, "Firmware flashed successfully\n");
3691 #define UFI_TYPE3R 10
3693 static int be_get_ufi_type(struct be_adapter
*adapter
,
3694 struct flash_file_hdr_g3
*fhdr
)
3697 goto be_get_ufi_exit
;
3699 if (skyhawk_chip(adapter
) && fhdr
->build
[0] == '4')
3701 else if (BE3_chip(adapter
) && fhdr
->build
[0] == '3') {
3702 if (fhdr
->asic_type_rev
== 0x10)
3706 } else if (BE2_chip(adapter
) && fhdr
->build
[0] == '2')
3710 dev_err(&adapter
->pdev
->dev
,
3711 "UFI and Interface are not compatible for flashing\n");
3715 static int be_fw_download(struct be_adapter
*adapter
, const struct firmware
* fw
)
3717 struct flash_file_hdr_g3
*fhdr3
;
3718 struct image_hdr
*img_hdr_ptr
= NULL
;
3719 struct be_dma_mem flash_cmd
;
3721 int status
= 0, i
= 0, num_imgs
= 0, ufi_type
= 0;
3723 flash_cmd
.size
= sizeof(struct be_cmd_write_flashrom
);
3724 flash_cmd
.va
= dma_alloc_coherent(&adapter
->pdev
->dev
, flash_cmd
.size
,
3725 &flash_cmd
.dma
, GFP_KERNEL
);
3726 if (!flash_cmd
.va
) {
3732 fhdr3
= (struct flash_file_hdr_g3
*)p
;
3734 ufi_type
= be_get_ufi_type(adapter
, fhdr3
);
3736 num_imgs
= le32_to_cpu(fhdr3
->num_imgs
);
3737 for (i
= 0; i
< num_imgs
; i
++) {
3738 img_hdr_ptr
= (struct image_hdr
*)(fw
->data
+
3739 (sizeof(struct flash_file_hdr_g3
) +
3740 i
* sizeof(struct image_hdr
)));
3741 if (le32_to_cpu(img_hdr_ptr
->imageid
) == 1) {
3744 status
= be_flash_skyhawk(adapter
, fw
,
3745 &flash_cmd
, num_imgs
);
3748 status
= be_flash_BEx(adapter
, fw
, &flash_cmd
,
3752 /* Do not flash this ufi on BE3-R cards */
3753 if (adapter
->asic_rev
< 0x10)
3754 status
= be_flash_BEx(adapter
, fw
,
3759 dev_err(&adapter
->pdev
->dev
,
3760 "Can't load BE3 UFI on BE3R\n");
3766 if (ufi_type
== UFI_TYPE2
)
3767 status
= be_flash_BEx(adapter
, fw
, &flash_cmd
, 0);
3768 else if (ufi_type
== -1)
3771 dma_free_coherent(&adapter
->pdev
->dev
, flash_cmd
.size
, flash_cmd
.va
,
3774 dev_err(&adapter
->pdev
->dev
, "Firmware load error\n");
3778 dev_info(&adapter
->pdev
->dev
, "Firmware flashed successfully\n");
3784 int be_load_fw(struct be_adapter
*adapter
, u8
*fw_file
)
3786 const struct firmware
*fw
;
3789 if (!netif_running(adapter
->netdev
)) {
3790 dev_err(&adapter
->pdev
->dev
,
3791 "Firmware load not allowed (interface is down)\n");
3795 status
= request_firmware(&fw
, fw_file
, &adapter
->pdev
->dev
);
3799 dev_info(&adapter
->pdev
->dev
, "Flashing firmware file %s\n", fw_file
);
3801 if (lancer_chip(adapter
))
3802 status
= lancer_fw_download(adapter
, fw
);
3804 status
= be_fw_download(adapter
, fw
);
3807 be_cmd_get_fw_ver(adapter
, adapter
->fw_ver
,
3808 adapter
->fw_on_flash
);
3811 release_firmware(fw
);
3815 static int be_ndo_bridge_setlink(struct net_device
*dev
,
3816 struct nlmsghdr
*nlh
)
3818 struct be_adapter
*adapter
= netdev_priv(dev
);
3819 struct nlattr
*attr
, *br_spec
;
3824 if (!sriov_enabled(adapter
))
3827 br_spec
= nlmsg_find_attr(nlh
, sizeof(struct ifinfomsg
), IFLA_AF_SPEC
);
3829 nla_for_each_nested(attr
, br_spec
, rem
) {
3830 if (nla_type(attr
) != IFLA_BRIDGE_MODE
)
3833 mode
= nla_get_u16(attr
);
3834 if (mode
!= BRIDGE_MODE_VEPA
&& mode
!= BRIDGE_MODE_VEB
)
3837 status
= be_cmd_set_hsw_config(adapter
, 0, 0,
3839 mode
== BRIDGE_MODE_VEPA
?
3840 PORT_FWD_TYPE_VEPA
:
3845 dev_info(&adapter
->pdev
->dev
, "enabled switch mode: %s\n",
3846 mode
== BRIDGE_MODE_VEPA
? "VEPA" : "VEB");
3851 dev_err(&adapter
->pdev
->dev
, "Failed to set switch mode %s\n",
3852 mode
== BRIDGE_MODE_VEPA
? "VEPA" : "VEB");
3857 static int be_ndo_bridge_getlink(struct sk_buff
*skb
, u32 pid
, u32 seq
,
3858 struct net_device
*dev
,
3861 struct be_adapter
*adapter
= netdev_priv(dev
);
3865 if (!sriov_enabled(adapter
))
3868 /* BE and Lancer chips support VEB mode only */
3869 if (BEx_chip(adapter
) || lancer_chip(adapter
)) {
3870 hsw_mode
= PORT_FWD_TYPE_VEB
;
3872 status
= be_cmd_get_hsw_config(adapter
, NULL
, 0,
3873 adapter
->if_handle
, &hsw_mode
);
3878 return ndo_dflt_bridge_getlink(skb
, pid
, seq
, dev
,
3879 hsw_mode
== PORT_FWD_TYPE_VEPA
?
3880 BRIDGE_MODE_VEPA
: BRIDGE_MODE_VEB
);
3883 static const struct net_device_ops be_netdev_ops
= {
3884 .ndo_open
= be_open
,
3885 .ndo_stop
= be_close
,
3886 .ndo_start_xmit
= be_xmit
,
3887 .ndo_set_rx_mode
= be_set_rx_mode
,
3888 .ndo_set_mac_address
= be_mac_addr_set
,
3889 .ndo_change_mtu
= be_change_mtu
,
3890 .ndo_get_stats64
= be_get_stats64
,
3891 .ndo_validate_addr
= eth_validate_addr
,
3892 .ndo_vlan_rx_add_vid
= be_vlan_add_vid
,
3893 .ndo_vlan_rx_kill_vid
= be_vlan_rem_vid
,
3894 .ndo_set_vf_mac
= be_set_vf_mac
,
3895 .ndo_set_vf_vlan
= be_set_vf_vlan
,
3896 .ndo_set_vf_tx_rate
= be_set_vf_tx_rate
,
3897 .ndo_get_vf_config
= be_get_vf_config
,
3898 #ifdef CONFIG_NET_POLL_CONTROLLER
3899 .ndo_poll_controller
= be_netpoll
,
3901 .ndo_bridge_setlink
= be_ndo_bridge_setlink
,
3902 .ndo_bridge_getlink
= be_ndo_bridge_getlink
,
3905 static void be_netdev_init(struct net_device
*netdev
)
3907 struct be_adapter
*adapter
= netdev_priv(netdev
);
3909 netdev
->hw_features
|= NETIF_F_SG
| NETIF_F_TSO
| NETIF_F_TSO6
|
3910 NETIF_F_IP_CSUM
| NETIF_F_IPV6_CSUM
| NETIF_F_RXCSUM
|
3911 NETIF_F_HW_VLAN_CTAG_TX
;
3912 if (be_multi_rxq(adapter
))
3913 netdev
->hw_features
|= NETIF_F_RXHASH
;
3915 netdev
->features
|= netdev
->hw_features
|
3916 NETIF_F_HW_VLAN_CTAG_RX
| NETIF_F_HW_VLAN_CTAG_FILTER
;
3918 netdev
->vlan_features
|= NETIF_F_SG
| NETIF_F_TSO
| NETIF_F_TSO6
|
3919 NETIF_F_IP_CSUM
| NETIF_F_IPV6_CSUM
;
3921 netdev
->priv_flags
|= IFF_UNICAST_FLT
;
3923 netdev
->flags
|= IFF_MULTICAST
;
3925 netif_set_gso_max_size(netdev
, 65535 - ETH_HLEN
);
3927 netdev
->netdev_ops
= &be_netdev_ops
;
3929 SET_ETHTOOL_OPS(netdev
, &be_ethtool_ops
);
3932 static void be_unmap_pci_bars(struct be_adapter
*adapter
)
3935 pci_iounmap(adapter
->pdev
, adapter
->csr
);
3937 pci_iounmap(adapter
->pdev
, adapter
->db
);
3940 static int db_bar(struct be_adapter
*adapter
)
3942 if (lancer_chip(adapter
) || !be_physfn(adapter
))
3948 static int be_roce_map_pci_bars(struct be_adapter
*adapter
)
3950 if (skyhawk_chip(adapter
)) {
3951 adapter
->roce_db
.size
= 4096;
3952 adapter
->roce_db
.io_addr
= pci_resource_start(adapter
->pdev
,
3954 adapter
->roce_db
.total_size
= pci_resource_len(adapter
->pdev
,
3960 static int be_map_pci_bars(struct be_adapter
*adapter
)
3965 pci_read_config_dword(adapter
->pdev
, SLI_INTF_REG_OFFSET
, &sli_intf
);
3966 adapter
->if_type
= (sli_intf
& SLI_INTF_IF_TYPE_MASK
) >>
3967 SLI_INTF_IF_TYPE_SHIFT
;
3969 if (BEx_chip(adapter
) && be_physfn(adapter
)) {
3970 adapter
->csr
= pci_iomap(adapter
->pdev
, 2, 0);
3971 if (adapter
->csr
== NULL
)
3975 addr
= pci_iomap(adapter
->pdev
, db_bar(adapter
), 0);
3980 be_roce_map_pci_bars(adapter
);
3984 be_unmap_pci_bars(adapter
);
3988 static void be_ctrl_cleanup(struct be_adapter
*adapter
)
3990 struct be_dma_mem
*mem
= &adapter
->mbox_mem_alloced
;
3992 be_unmap_pci_bars(adapter
);
3995 dma_free_coherent(&adapter
->pdev
->dev
, mem
->size
, mem
->va
,
3998 mem
= &adapter
->rx_filter
;
4000 dma_free_coherent(&adapter
->pdev
->dev
, mem
->size
, mem
->va
,
4004 static int be_ctrl_init(struct be_adapter
*adapter
)
4006 struct be_dma_mem
*mbox_mem_alloc
= &adapter
->mbox_mem_alloced
;
4007 struct be_dma_mem
*mbox_mem_align
= &adapter
->mbox_mem
;
4008 struct be_dma_mem
*rx_filter
= &adapter
->rx_filter
;
4012 pci_read_config_dword(adapter
->pdev
, SLI_INTF_REG_OFFSET
, &sli_intf
);
4013 adapter
->sli_family
= (sli_intf
& SLI_INTF_FAMILY_MASK
) >>
4014 SLI_INTF_FAMILY_SHIFT
;
4015 adapter
->virtfn
= (sli_intf
& SLI_INTF_FT_MASK
) ? 1 : 0;
4017 status
= be_map_pci_bars(adapter
);
4021 mbox_mem_alloc
->size
= sizeof(struct be_mcc_mailbox
) + 16;
4022 mbox_mem_alloc
->va
= dma_alloc_coherent(&adapter
->pdev
->dev
,
4023 mbox_mem_alloc
->size
,
4024 &mbox_mem_alloc
->dma
,
4026 if (!mbox_mem_alloc
->va
) {
4028 goto unmap_pci_bars
;
4030 mbox_mem_align
->size
= sizeof(struct be_mcc_mailbox
);
4031 mbox_mem_align
->va
= PTR_ALIGN(mbox_mem_alloc
->va
, 16);
4032 mbox_mem_align
->dma
= PTR_ALIGN(mbox_mem_alloc
->dma
, 16);
4033 memset(mbox_mem_align
->va
, 0, sizeof(struct be_mcc_mailbox
));
4035 rx_filter
->size
= sizeof(struct be_cmd_req_rx_filter
);
4036 rx_filter
->va
= dma_zalloc_coherent(&adapter
->pdev
->dev
,
4037 rx_filter
->size
, &rx_filter
->dma
,
4039 if (rx_filter
->va
== NULL
) {
4044 mutex_init(&adapter
->mbox_lock
);
4045 spin_lock_init(&adapter
->mcc_lock
);
4046 spin_lock_init(&adapter
->mcc_cq_lock
);
4048 init_completion(&adapter
->flash_compl
);
4049 pci_save_state(adapter
->pdev
);
4053 dma_free_coherent(&adapter
->pdev
->dev
, mbox_mem_alloc
->size
,
4054 mbox_mem_alloc
->va
, mbox_mem_alloc
->dma
);
4057 be_unmap_pci_bars(adapter
);
4063 static void be_stats_cleanup(struct be_adapter
*adapter
)
4065 struct be_dma_mem
*cmd
= &adapter
->stats_cmd
;
4068 dma_free_coherent(&adapter
->pdev
->dev
, cmd
->size
,
4072 static int be_stats_init(struct be_adapter
*adapter
)
4074 struct be_dma_mem
*cmd
= &adapter
->stats_cmd
;
4076 if (lancer_chip(adapter
))
4077 cmd
->size
= sizeof(struct lancer_cmd_req_pport_stats
);
4078 else if (BE2_chip(adapter
))
4079 cmd
->size
= sizeof(struct be_cmd_req_get_stats_v0
);
4081 /* BE3 and Skyhawk */
4082 cmd
->size
= sizeof(struct be_cmd_req_get_stats_v1
);
4084 cmd
->va
= dma_zalloc_coherent(&adapter
->pdev
->dev
, cmd
->size
, &cmd
->dma
,
4086 if (cmd
->va
== NULL
)
4091 static void be_remove(struct pci_dev
*pdev
)
4093 struct be_adapter
*adapter
= pci_get_drvdata(pdev
);
4098 be_roce_dev_remove(adapter
);
4099 be_intr_set(adapter
, false);
4101 cancel_delayed_work_sync(&adapter
->func_recovery_work
);
4103 unregister_netdev(adapter
->netdev
);
4107 /* tell fw we're done with firing cmds */
4108 be_cmd_fw_clean(adapter
);
4110 be_stats_cleanup(adapter
);
4112 be_ctrl_cleanup(adapter
);
4114 pci_disable_pcie_error_reporting(pdev
);
4116 pci_set_drvdata(pdev
, NULL
);
4117 pci_release_regions(pdev
);
4118 pci_disable_device(pdev
);
4120 free_netdev(adapter
->netdev
);
4123 bool be_is_wol_supported(struct be_adapter
*adapter
)
4125 return ((adapter
->wol_cap
& BE_WOL_CAP
) &&
4126 !be_is_wol_excluded(adapter
)) ? true : false;
4129 u32
be_get_fw_log_level(struct be_adapter
*adapter
)
4131 struct be_dma_mem extfat_cmd
;
4132 struct be_fat_conf_params
*cfgs
;
4137 if (lancer_chip(adapter
))
4140 memset(&extfat_cmd
, 0, sizeof(struct be_dma_mem
));
4141 extfat_cmd
.size
= sizeof(struct be_cmd_resp_get_ext_fat_caps
);
4142 extfat_cmd
.va
= pci_alloc_consistent(adapter
->pdev
, extfat_cmd
.size
,
4145 if (!extfat_cmd
.va
) {
4146 dev_err(&adapter
->pdev
->dev
, "%s: Memory allocation failure\n",
4151 status
= be_cmd_get_ext_fat_capabilites(adapter
, &extfat_cmd
);
4153 cfgs
= (struct be_fat_conf_params
*)(extfat_cmd
.va
+
4154 sizeof(struct be_cmd_resp_hdr
));
4155 for (j
= 0; j
< le32_to_cpu(cfgs
->module
[0].num_modes
); j
++) {
4156 if (cfgs
->module
[0].trace_lvl
[j
].mode
== MODE_UART
)
4157 level
= cfgs
->module
[0].trace_lvl
[j
].dbg_lvl
;
4160 pci_free_consistent(adapter
->pdev
, extfat_cmd
.size
, extfat_cmd
.va
,
4166 static int be_get_initial_config(struct be_adapter
*adapter
)
4171 status
= be_cmd_get_cntl_attributes(adapter
);
4175 status
= be_cmd_get_acpi_wol_cap(adapter
);
4177 /* in case of a failure to get wol capabillities
4178 * check the exclusion list to determine WOL capability */
4179 if (!be_is_wol_excluded(adapter
))
4180 adapter
->wol_cap
|= BE_WOL_CAP
;
4183 if (be_is_wol_supported(adapter
))
4184 adapter
->wol
= true;
4186 /* Must be a power of 2 or else MODULO will BUG_ON */
4187 adapter
->be_get_temp_freq
= 64;
4189 level
= be_get_fw_log_level(adapter
);
4190 adapter
->msg_enable
= level
<= FW_LOG_LEVEL_DEFAULT
? NETIF_MSG_HW
: 0;
4192 adapter
->cfg_num_qs
= netif_get_num_default_rss_queues();
4196 static int lancer_recover_func(struct be_adapter
*adapter
)
4198 struct device
*dev
= &adapter
->pdev
->dev
;
4201 status
= lancer_test_and_set_rdy_state(adapter
);
4205 if (netif_running(adapter
->netdev
))
4206 be_close(adapter
->netdev
);
4210 be_clear_all_error(adapter
);
4212 status
= be_setup(adapter
);
4216 if (netif_running(adapter
->netdev
)) {
4217 status
= be_open(adapter
->netdev
);
4222 dev_err(dev
, "Error recovery successful\n");
4225 if (status
== -EAGAIN
)
4226 dev_err(dev
, "Waiting for resource provisioning\n");
4228 dev_err(dev
, "Error recovery failed\n");
4233 static void be_func_recovery_task(struct work_struct
*work
)
4235 struct be_adapter
*adapter
=
4236 container_of(work
, struct be_adapter
, func_recovery_work
.work
);
4239 be_detect_error(adapter
);
4241 if (adapter
->hw_error
&& lancer_chip(adapter
)) {
4244 netif_device_detach(adapter
->netdev
);
4247 status
= lancer_recover_func(adapter
);
4249 netif_device_attach(adapter
->netdev
);
4252 /* In Lancer, for all errors other than provisioning error (-EAGAIN),
4253 * no need to attempt further recovery.
4255 if (!status
|| status
== -EAGAIN
)
4256 schedule_delayed_work(&adapter
->func_recovery_work
,
4257 msecs_to_jiffies(1000));
4260 static void be_worker(struct work_struct
*work
)
4262 struct be_adapter
*adapter
=
4263 container_of(work
, struct be_adapter
, work
.work
);
4264 struct be_rx_obj
*rxo
;
4265 struct be_eq_obj
*eqo
;
4268 /* when interrupts are not yet enabled, just reap any pending
4269 * mcc completions */
4270 if (!netif_running(adapter
->netdev
)) {
4272 be_process_mcc(adapter
);
4277 if (!adapter
->stats_cmd_sent
) {
4278 if (lancer_chip(adapter
))
4279 lancer_cmd_get_pport_stats(adapter
,
4280 &adapter
->stats_cmd
);
4282 be_cmd_get_stats(adapter
, &adapter
->stats_cmd
);
4285 if (be_physfn(adapter
) &&
4286 MODULO(adapter
->work_counter
, adapter
->be_get_temp_freq
) == 0)
4287 be_cmd_get_die_temperature(adapter
);
4289 for_all_rx_queues(adapter
, rxo
, i
) {
4290 if (rxo
->rx_post_starved
) {
4291 rxo
->rx_post_starved
= false;
4292 be_post_rx_frags(rxo
, GFP_KERNEL
);
4296 for_all_evt_queues(adapter
, eqo
, i
)
4297 be_eqd_update(adapter
, eqo
);
4300 adapter
->work_counter
++;
4301 schedule_delayed_work(&adapter
->work
, msecs_to_jiffies(1000));
4304 /* If any VFs are already enabled don't FLR the PF */
4305 static bool be_reset_required(struct be_adapter
*adapter
)
4307 return pci_num_vf(adapter
->pdev
) ? false : true;
4310 static char *mc_name(struct be_adapter
*adapter
)
4312 if (adapter
->function_mode
& FLEX10_MODE
)
4314 else if (adapter
->function_mode
& VNIC_MODE
)
4316 else if (adapter
->function_mode
& UMC_ENABLED
)
4322 static inline char *func_name(struct be_adapter
*adapter
)
4324 return be_physfn(adapter
) ? "PF" : "VF";
4327 static int be_probe(struct pci_dev
*pdev
, const struct pci_device_id
*pdev_id
)
4330 struct be_adapter
*adapter
;
4331 struct net_device
*netdev
;
4334 status
= pci_enable_device(pdev
);
4338 status
= pci_request_regions(pdev
, DRV_NAME
);
4341 pci_set_master(pdev
);
4343 netdev
= alloc_etherdev_mqs(sizeof(*adapter
), MAX_TX_QS
, MAX_RX_QS
);
4344 if (netdev
== NULL
) {
4348 adapter
= netdev_priv(netdev
);
4349 adapter
->pdev
= pdev
;
4350 pci_set_drvdata(pdev
, adapter
);
4351 adapter
->netdev
= netdev
;
4352 SET_NETDEV_DEV(netdev
, &pdev
->dev
);
4354 status
= dma_set_mask(&pdev
->dev
, DMA_BIT_MASK(64));
4356 status
= dma_set_coherent_mask(&pdev
->dev
, DMA_BIT_MASK(64));
4358 dev_err(&pdev
->dev
, "dma_set_coherent_mask failed\n");
4361 netdev
->features
|= NETIF_F_HIGHDMA
;
4363 status
= dma_set_mask(&pdev
->dev
, DMA_BIT_MASK(32));
4365 status
= dma_set_coherent_mask(&pdev
->dev
,
4368 dev_err(&pdev
->dev
, "Could not set PCI DMA Mask\n");
4373 status
= pci_enable_pcie_error_reporting(pdev
);
4375 dev_info(&pdev
->dev
, "Could not use PCIe error reporting\n");
4377 status
= be_ctrl_init(adapter
);
4381 /* sync up with fw's ready state */
4382 if (be_physfn(adapter
)) {
4383 status
= be_fw_wait_ready(adapter
);
4388 if (be_reset_required(adapter
)) {
4389 status
= be_cmd_reset_function(adapter
);
4393 /* Wait for interrupts to quiesce after an FLR */
4397 /* Allow interrupts for other ULPs running on NIC function */
4398 be_intr_set(adapter
, true);
4400 /* tell fw we're ready to fire cmds */
4401 status
= be_cmd_fw_init(adapter
);
4405 status
= be_stats_init(adapter
);
4409 status
= be_get_initial_config(adapter
);
4413 INIT_DELAYED_WORK(&adapter
->work
, be_worker
);
4414 INIT_DELAYED_WORK(&adapter
->func_recovery_work
, be_func_recovery_task
);
4415 adapter
->rx_fc
= adapter
->tx_fc
= true;
4417 status
= be_setup(adapter
);
4421 be_netdev_init(netdev
);
4422 status
= register_netdev(netdev
);
4426 be_roce_dev_add(adapter
);
4428 schedule_delayed_work(&adapter
->func_recovery_work
,
4429 msecs_to_jiffies(1000));
4431 be_cmd_query_port_name(adapter
, &port_name
);
4433 dev_info(&pdev
->dev
, "%s: %s %s port %c\n", nic_name(pdev
),
4434 func_name(adapter
), mc_name(adapter
), port_name
);
4441 be_stats_cleanup(adapter
);
4443 be_ctrl_cleanup(adapter
);
4445 free_netdev(netdev
);
4446 pci_set_drvdata(pdev
, NULL
);
4448 pci_release_regions(pdev
);
4450 pci_disable_device(pdev
);
4452 dev_err(&pdev
->dev
, "%s initialization failed\n", nic_name(pdev
));
4456 static int be_suspend(struct pci_dev
*pdev
, pm_message_t state
)
4458 struct be_adapter
*adapter
= pci_get_drvdata(pdev
);
4459 struct net_device
*netdev
= adapter
->netdev
;
4462 be_setup_wol(adapter
, true);
4464 cancel_delayed_work_sync(&adapter
->func_recovery_work
);
4466 netif_device_detach(netdev
);
4467 if (netif_running(netdev
)) {
4474 pci_save_state(pdev
);
4475 pci_disable_device(pdev
);
4476 pci_set_power_state(pdev
, pci_choose_state(pdev
, state
));
4480 static int be_resume(struct pci_dev
*pdev
)
4483 struct be_adapter
*adapter
= pci_get_drvdata(pdev
);
4484 struct net_device
*netdev
= adapter
->netdev
;
4486 netif_device_detach(netdev
);
4488 status
= pci_enable_device(pdev
);
4492 pci_set_power_state(pdev
, PCI_D0
);
4493 pci_restore_state(pdev
);
4495 status
= be_fw_wait_ready(adapter
);
4499 /* tell fw we're ready to fire cmds */
4500 status
= be_cmd_fw_init(adapter
);
4505 if (netif_running(netdev
)) {
4511 schedule_delayed_work(&adapter
->func_recovery_work
,
4512 msecs_to_jiffies(1000));
4513 netif_device_attach(netdev
);
4516 be_setup_wol(adapter
, false);
4522 * An FLR will stop BE from DMAing any data.
4524 static void be_shutdown(struct pci_dev
*pdev
)
4526 struct be_adapter
*adapter
= pci_get_drvdata(pdev
);
4531 cancel_delayed_work_sync(&adapter
->work
);
4532 cancel_delayed_work_sync(&adapter
->func_recovery_work
);
4534 netif_device_detach(adapter
->netdev
);
4536 be_cmd_reset_function(adapter
);
4538 pci_disable_device(pdev
);
4541 static pci_ers_result_t
be_eeh_err_detected(struct pci_dev
*pdev
,
4542 pci_channel_state_t state
)
4544 struct be_adapter
*adapter
= pci_get_drvdata(pdev
);
4545 struct net_device
*netdev
= adapter
->netdev
;
4547 dev_err(&adapter
->pdev
->dev
, "EEH error detected\n");
4549 if (!adapter
->eeh_error
) {
4550 adapter
->eeh_error
= true;
4552 cancel_delayed_work_sync(&adapter
->func_recovery_work
);
4555 netif_device_detach(netdev
);
4556 if (netif_running(netdev
))
4563 if (state
== pci_channel_io_perm_failure
)
4564 return PCI_ERS_RESULT_DISCONNECT
;
4566 pci_disable_device(pdev
);
4568 /* The error could cause the FW to trigger a flash debug dump.
4569 * Resetting the card while flash dump is in progress
4570 * can cause it not to recover; wait for it to finish.
4571 * Wait only for first function as it is needed only once per
4574 if (pdev
->devfn
== 0)
4577 return PCI_ERS_RESULT_NEED_RESET
;
4580 static pci_ers_result_t
be_eeh_reset(struct pci_dev
*pdev
)
4582 struct be_adapter
*adapter
= pci_get_drvdata(pdev
);
4585 dev_info(&adapter
->pdev
->dev
, "EEH reset\n");
4587 status
= pci_enable_device(pdev
);
4589 return PCI_ERS_RESULT_DISCONNECT
;
4591 pci_set_master(pdev
);
4592 pci_set_power_state(pdev
, PCI_D0
);
4593 pci_restore_state(pdev
);
4595 /* Check if card is ok and fw is ready */
4596 dev_info(&adapter
->pdev
->dev
,
4597 "Waiting for FW to be ready after EEH reset\n");
4598 status
= be_fw_wait_ready(adapter
);
4600 return PCI_ERS_RESULT_DISCONNECT
;
4602 pci_cleanup_aer_uncorrect_error_status(pdev
);
4603 be_clear_all_error(adapter
);
4604 return PCI_ERS_RESULT_RECOVERED
;
4607 static void be_eeh_resume(struct pci_dev
*pdev
)
4610 struct be_adapter
*adapter
= pci_get_drvdata(pdev
);
4611 struct net_device
*netdev
= adapter
->netdev
;
4613 dev_info(&adapter
->pdev
->dev
, "EEH resume\n");
4615 pci_save_state(pdev
);
4617 status
= be_cmd_reset_function(adapter
);
4621 /* tell fw we're ready to fire cmds */
4622 status
= be_cmd_fw_init(adapter
);
4626 status
= be_setup(adapter
);
4630 if (netif_running(netdev
)) {
4631 status
= be_open(netdev
);
4636 schedule_delayed_work(&adapter
->func_recovery_work
,
4637 msecs_to_jiffies(1000));
4638 netif_device_attach(netdev
);
4641 dev_err(&adapter
->pdev
->dev
, "EEH resume failed\n");
4644 static const struct pci_error_handlers be_eeh_handlers
= {
4645 .error_detected
= be_eeh_err_detected
,
4646 .slot_reset
= be_eeh_reset
,
4647 .resume
= be_eeh_resume
,
4650 static struct pci_driver be_driver
= {
4652 .id_table
= be_dev_ids
,
4654 .remove
= be_remove
,
4655 .suspend
= be_suspend
,
4656 .resume
= be_resume
,
4657 .shutdown
= be_shutdown
,
4658 .err_handler
= &be_eeh_handlers
4661 static int __init
be_init_module(void)
4663 if (rx_frag_size
!= 8192 && rx_frag_size
!= 4096 &&
4664 rx_frag_size
!= 2048) {
4665 printk(KERN_WARNING DRV_NAME
4666 " : Module param rx_frag_size must be 2048/4096/8192."
4668 rx_frag_size
= 2048;
4671 return pci_register_driver(&be_driver
);
4673 module_init(be_init_module
);
4675 static void __exit
be_exit_module(void)
4677 pci_unregister_driver(&be_driver
);
4679 module_exit(be_exit_module
);