2 * Copyright (C) 2005 - 2011 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>
24 MODULE_VERSION(DRV_VER
);
25 MODULE_DEVICE_TABLE(pci
, be_dev_ids
);
26 MODULE_DESCRIPTION(DRV_DESC
" " DRV_VER
);
27 MODULE_AUTHOR("ServerEngines Corporation");
28 MODULE_LICENSE("GPL");
30 static ushort rx_frag_size
= 2048;
31 static unsigned int num_vfs
;
32 module_param(rx_frag_size
, ushort
, S_IRUGO
);
33 module_param(num_vfs
, uint
, S_IRUGO
);
34 MODULE_PARM_DESC(rx_frag_size
, "Size of a fragment that holds rcvd data.");
35 MODULE_PARM_DESC(num_vfs
, "Number of PCI VFs to initialize");
37 static DEFINE_PCI_DEVICE_TABLE(be_dev_ids
) = {
38 { PCI_DEVICE(BE_VENDOR_ID
, BE_DEVICE_ID1
) },
39 { PCI_DEVICE(BE_VENDOR_ID
, BE_DEVICE_ID2
) },
40 { PCI_DEVICE(BE_VENDOR_ID
, OC_DEVICE_ID1
) },
41 { PCI_DEVICE(BE_VENDOR_ID
, OC_DEVICE_ID2
) },
42 { PCI_DEVICE(EMULEX_VENDOR_ID
, OC_DEVICE_ID3
)},
43 { PCI_DEVICE(EMULEX_VENDOR_ID
, OC_DEVICE_ID4
)},
46 MODULE_DEVICE_TABLE(pci
, be_dev_ids
);
47 /* UE Status Low CSR */
48 static const char * const ue_status_low_desc
[] = {
82 /* UE Status High CSR */
83 static const char * const ue_status_hi_desc
[] = {
118 /* Is BE in a multi-channel mode */
119 static inline bool be_is_mc(struct be_adapter
*adapter
) {
120 return (adapter
->function_mode
& FLEX10_MODE
||
121 adapter
->function_mode
& VNIC_MODE
||
122 adapter
->function_mode
& UMC_ENABLED
);
125 static void be_queue_free(struct be_adapter
*adapter
, struct be_queue_info
*q
)
127 struct be_dma_mem
*mem
= &q
->dma_mem
;
129 dma_free_coherent(&adapter
->pdev
->dev
, mem
->size
, mem
->va
,
133 static int be_queue_alloc(struct be_adapter
*adapter
, struct be_queue_info
*q
,
134 u16 len
, u16 entry_size
)
136 struct be_dma_mem
*mem
= &q
->dma_mem
;
138 memset(q
, 0, sizeof(*q
));
140 q
->entry_size
= entry_size
;
141 mem
->size
= len
* entry_size
;
142 mem
->va
= dma_alloc_coherent(&adapter
->pdev
->dev
, mem
->size
, &mem
->dma
,
146 memset(mem
->va
, 0, mem
->size
);
150 static void be_intr_set(struct be_adapter
*adapter
, bool enable
)
154 if (adapter
->eeh_err
)
157 pci_read_config_dword(adapter
->pdev
, PCICFG_MEMBAR_CTRL_INT_CTRL_OFFSET
,
159 enabled
= reg
& MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK
;
161 if (!enabled
&& enable
)
162 reg
|= MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK
;
163 else if (enabled
&& !enable
)
164 reg
&= ~MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK
;
168 pci_write_config_dword(adapter
->pdev
,
169 PCICFG_MEMBAR_CTRL_INT_CTRL_OFFSET
, reg
);
172 static void be_rxq_notify(struct be_adapter
*adapter
, u16 qid
, u16 posted
)
175 val
|= qid
& DB_RQ_RING_ID_MASK
;
176 val
|= posted
<< DB_RQ_NUM_POSTED_SHIFT
;
179 iowrite32(val
, adapter
->db
+ DB_RQ_OFFSET
);
182 static void be_txq_notify(struct be_adapter
*adapter
, u16 qid
, u16 posted
)
185 val
|= qid
& DB_TXULP_RING_ID_MASK
;
186 val
|= (posted
& DB_TXULP_NUM_POSTED_MASK
) << DB_TXULP_NUM_POSTED_SHIFT
;
189 iowrite32(val
, adapter
->db
+ DB_TXULP1_OFFSET
);
192 static void be_eq_notify(struct be_adapter
*adapter
, u16 qid
,
193 bool arm
, bool clear_int
, u16 num_popped
)
196 val
|= qid
& DB_EQ_RING_ID_MASK
;
197 val
|= ((qid
& DB_EQ_RING_ID_EXT_MASK
) <<
198 DB_EQ_RING_ID_EXT_MASK_SHIFT
);
200 if (adapter
->eeh_err
)
204 val
|= 1 << DB_EQ_REARM_SHIFT
;
206 val
|= 1 << DB_EQ_CLR_SHIFT
;
207 val
|= 1 << DB_EQ_EVNT_SHIFT
;
208 val
|= num_popped
<< DB_EQ_NUM_POPPED_SHIFT
;
209 iowrite32(val
, adapter
->db
+ DB_EQ_OFFSET
);
212 void be_cq_notify(struct be_adapter
*adapter
, u16 qid
, bool arm
, u16 num_popped
)
215 val
|= qid
& DB_CQ_RING_ID_MASK
;
216 val
|= ((qid
& DB_CQ_RING_ID_EXT_MASK
) <<
217 DB_CQ_RING_ID_EXT_MASK_SHIFT
);
219 if (adapter
->eeh_err
)
223 val
|= 1 << DB_CQ_REARM_SHIFT
;
224 val
|= num_popped
<< DB_CQ_NUM_POPPED_SHIFT
;
225 iowrite32(val
, adapter
->db
+ DB_CQ_OFFSET
);
228 static int be_mac_addr_set(struct net_device
*netdev
, void *p
)
230 struct be_adapter
*adapter
= netdev_priv(netdev
);
231 struct sockaddr
*addr
= p
;
233 u8 current_mac
[ETH_ALEN
];
234 u32 pmac_id
= adapter
->pmac_id
;
236 if (!is_valid_ether_addr(addr
->sa_data
))
237 return -EADDRNOTAVAIL
;
239 status
= be_cmd_mac_addr_query(adapter
, current_mac
,
240 MAC_ADDRESS_TYPE_NETWORK
, false, adapter
->if_handle
);
244 if (memcmp(addr
->sa_data
, current_mac
, ETH_ALEN
)) {
245 status
= be_cmd_pmac_add(adapter
, (u8
*)addr
->sa_data
,
246 adapter
->if_handle
, &adapter
->pmac_id
, 0);
250 be_cmd_pmac_del(adapter
, adapter
->if_handle
, pmac_id
, 0);
252 memcpy(netdev
->dev_addr
, addr
->sa_data
, netdev
->addr_len
);
255 dev_err(&adapter
->pdev
->dev
, "MAC %pM set Failed\n", addr
->sa_data
);
259 static void populate_be2_stats(struct be_adapter
*adapter
)
261 struct be_hw_stats_v0
*hw_stats
= hw_stats_from_cmd(adapter
);
262 struct be_pmem_stats
*pmem_sts
= &hw_stats
->pmem
;
263 struct be_rxf_stats_v0
*rxf_stats
= &hw_stats
->rxf
;
264 struct be_port_rxf_stats_v0
*port_stats
=
265 &rxf_stats
->port
[adapter
->port_num
];
266 struct be_drv_stats
*drvs
= &adapter
->drv_stats
;
268 be_dws_le_to_cpu(hw_stats
, sizeof(*hw_stats
));
269 drvs
->rx_pause_frames
= port_stats
->rx_pause_frames
;
270 drvs
->rx_crc_errors
= port_stats
->rx_crc_errors
;
271 drvs
->rx_control_frames
= port_stats
->rx_control_frames
;
272 drvs
->rx_in_range_errors
= port_stats
->rx_in_range_errors
;
273 drvs
->rx_frame_too_long
= port_stats
->rx_frame_too_long
;
274 drvs
->rx_dropped_runt
= port_stats
->rx_dropped_runt
;
275 drvs
->rx_ip_checksum_errs
= port_stats
->rx_ip_checksum_errs
;
276 drvs
->rx_tcp_checksum_errs
= port_stats
->rx_tcp_checksum_errs
;
277 drvs
->rx_udp_checksum_errs
= port_stats
->rx_udp_checksum_errs
;
278 drvs
->rxpp_fifo_overflow_drop
= port_stats
->rx_fifo_overflow
;
279 drvs
->rx_dropped_tcp_length
= port_stats
->rx_dropped_tcp_length
;
280 drvs
->rx_dropped_too_small
= port_stats
->rx_dropped_too_small
;
281 drvs
->rx_dropped_too_short
= port_stats
->rx_dropped_too_short
;
282 drvs
->rx_out_range_errors
= port_stats
->rx_out_range_errors
;
283 drvs
->rx_input_fifo_overflow_drop
= port_stats
->rx_input_fifo_overflow
;
284 drvs
->rx_dropped_header_too_small
=
285 port_stats
->rx_dropped_header_too_small
;
286 drvs
->rx_address_match_errors
= port_stats
->rx_address_match_errors
;
287 drvs
->rx_alignment_symbol_errors
=
288 port_stats
->rx_alignment_symbol_errors
;
290 drvs
->tx_pauseframes
= port_stats
->tx_pauseframes
;
291 drvs
->tx_controlframes
= port_stats
->tx_controlframes
;
293 if (adapter
->port_num
)
294 drvs
->jabber_events
= rxf_stats
->port1_jabber_events
;
296 drvs
->jabber_events
= rxf_stats
->port0_jabber_events
;
297 drvs
->rx_drops_no_pbuf
= rxf_stats
->rx_drops_no_pbuf
;
298 drvs
->rx_drops_no_txpb
= rxf_stats
->rx_drops_no_txpb
;
299 drvs
->rx_drops_no_erx_descr
= rxf_stats
->rx_drops_no_erx_descr
;
300 drvs
->rx_drops_invalid_ring
= rxf_stats
->rx_drops_invalid_ring
;
301 drvs
->forwarded_packets
= rxf_stats
->forwarded_packets
;
302 drvs
->rx_drops_mtu
= rxf_stats
->rx_drops_mtu
;
303 drvs
->rx_drops_no_tpre_descr
= rxf_stats
->rx_drops_no_tpre_descr
;
304 drvs
->rx_drops_too_many_frags
= rxf_stats
->rx_drops_too_many_frags
;
305 adapter
->drv_stats
.eth_red_drops
= pmem_sts
->eth_red_drops
;
308 static void populate_be3_stats(struct be_adapter
*adapter
)
310 struct be_hw_stats_v1
*hw_stats
= hw_stats_from_cmd(adapter
);
311 struct be_pmem_stats
*pmem_sts
= &hw_stats
->pmem
;
312 struct be_rxf_stats_v1
*rxf_stats
= &hw_stats
->rxf
;
313 struct be_port_rxf_stats_v1
*port_stats
=
314 &rxf_stats
->port
[adapter
->port_num
];
315 struct be_drv_stats
*drvs
= &adapter
->drv_stats
;
317 be_dws_le_to_cpu(hw_stats
, sizeof(*hw_stats
));
318 drvs
->rx_pause_frames
= port_stats
->rx_pause_frames
;
319 drvs
->rx_crc_errors
= port_stats
->rx_crc_errors
;
320 drvs
->rx_control_frames
= port_stats
->rx_control_frames
;
321 drvs
->rx_in_range_errors
= port_stats
->rx_in_range_errors
;
322 drvs
->rx_frame_too_long
= port_stats
->rx_frame_too_long
;
323 drvs
->rx_dropped_runt
= port_stats
->rx_dropped_runt
;
324 drvs
->rx_ip_checksum_errs
= port_stats
->rx_ip_checksum_errs
;
325 drvs
->rx_tcp_checksum_errs
= port_stats
->rx_tcp_checksum_errs
;
326 drvs
->rx_udp_checksum_errs
= port_stats
->rx_udp_checksum_errs
;
327 drvs
->rx_dropped_tcp_length
= port_stats
->rx_dropped_tcp_length
;
328 drvs
->rx_dropped_too_small
= port_stats
->rx_dropped_too_small
;
329 drvs
->rx_dropped_too_short
= port_stats
->rx_dropped_too_short
;
330 drvs
->rx_out_range_errors
= port_stats
->rx_out_range_errors
;
331 drvs
->rx_dropped_header_too_small
=
332 port_stats
->rx_dropped_header_too_small
;
333 drvs
->rx_input_fifo_overflow_drop
=
334 port_stats
->rx_input_fifo_overflow_drop
;
335 drvs
->rx_address_match_errors
= port_stats
->rx_address_match_errors
;
336 drvs
->rx_alignment_symbol_errors
=
337 port_stats
->rx_alignment_symbol_errors
;
338 drvs
->rxpp_fifo_overflow_drop
= port_stats
->rxpp_fifo_overflow_drop
;
339 drvs
->tx_pauseframes
= port_stats
->tx_pauseframes
;
340 drvs
->tx_controlframes
= port_stats
->tx_controlframes
;
341 drvs
->jabber_events
= port_stats
->jabber_events
;
342 drvs
->rx_drops_no_pbuf
= rxf_stats
->rx_drops_no_pbuf
;
343 drvs
->rx_drops_no_txpb
= rxf_stats
->rx_drops_no_txpb
;
344 drvs
->rx_drops_no_erx_descr
= rxf_stats
->rx_drops_no_erx_descr
;
345 drvs
->rx_drops_invalid_ring
= rxf_stats
->rx_drops_invalid_ring
;
346 drvs
->forwarded_packets
= rxf_stats
->forwarded_packets
;
347 drvs
->rx_drops_mtu
= rxf_stats
->rx_drops_mtu
;
348 drvs
->rx_drops_no_tpre_descr
= rxf_stats
->rx_drops_no_tpre_descr
;
349 drvs
->rx_drops_too_many_frags
= rxf_stats
->rx_drops_too_many_frags
;
350 adapter
->drv_stats
.eth_red_drops
= pmem_sts
->eth_red_drops
;
353 static void populate_lancer_stats(struct be_adapter
*adapter
)
356 struct be_drv_stats
*drvs
= &adapter
->drv_stats
;
357 struct lancer_pport_stats
*pport_stats
=
358 pport_stats_from_cmd(adapter
);
360 be_dws_le_to_cpu(pport_stats
, sizeof(*pport_stats
));
361 drvs
->rx_pause_frames
= pport_stats
->rx_pause_frames_lo
;
362 drvs
->rx_crc_errors
= pport_stats
->rx_crc_errors_lo
;
363 drvs
->rx_control_frames
= pport_stats
->rx_control_frames_lo
;
364 drvs
->rx_in_range_errors
= pport_stats
->rx_in_range_errors
;
365 drvs
->rx_frame_too_long
= pport_stats
->rx_frames_too_long_lo
;
366 drvs
->rx_dropped_runt
= pport_stats
->rx_dropped_runt
;
367 drvs
->rx_ip_checksum_errs
= pport_stats
->rx_ip_checksum_errors
;
368 drvs
->rx_tcp_checksum_errs
= pport_stats
->rx_tcp_checksum_errors
;
369 drvs
->rx_udp_checksum_errs
= pport_stats
->rx_udp_checksum_errors
;
370 drvs
->rx_dropped_tcp_length
=
371 pport_stats
->rx_dropped_invalid_tcp_length
;
372 drvs
->rx_dropped_too_small
= pport_stats
->rx_dropped_too_small
;
373 drvs
->rx_dropped_too_short
= pport_stats
->rx_dropped_too_short
;
374 drvs
->rx_out_range_errors
= pport_stats
->rx_out_of_range_errors
;
375 drvs
->rx_dropped_header_too_small
=
376 pport_stats
->rx_dropped_header_too_small
;
377 drvs
->rx_input_fifo_overflow_drop
= pport_stats
->rx_fifo_overflow
;
378 drvs
->rx_address_match_errors
= pport_stats
->rx_address_match_errors
;
379 drvs
->rx_alignment_symbol_errors
= pport_stats
->rx_symbol_errors_lo
;
380 drvs
->rxpp_fifo_overflow_drop
= pport_stats
->rx_fifo_overflow
;
381 drvs
->tx_pauseframes
= pport_stats
->tx_pause_frames_lo
;
382 drvs
->tx_controlframes
= pport_stats
->tx_control_frames_lo
;
383 drvs
->jabber_events
= pport_stats
->rx_jabbers
;
384 drvs
->rx_drops_invalid_ring
= pport_stats
->rx_drops_invalid_queue
;
385 drvs
->forwarded_packets
= pport_stats
->num_forwards_lo
;
386 drvs
->rx_drops_mtu
= pport_stats
->rx_drops_mtu_lo
;
387 drvs
->rx_drops_too_many_frags
=
388 pport_stats
->rx_drops_too_many_frags_lo
;
391 static void accumulate_16bit_val(u32
*acc
, u16 val
)
393 #define lo(x) (x & 0xFFFF)
394 #define hi(x) (x & 0xFFFF0000)
395 bool wrapped
= val
< lo(*acc
);
396 u32 newacc
= hi(*acc
) + val
;
400 ACCESS_ONCE(*acc
) = newacc
;
403 void be_parse_stats(struct be_adapter
*adapter
)
405 struct be_erx_stats_v1
*erx
= be_erx_stats_from_cmd(adapter
);
406 struct be_rx_obj
*rxo
;
409 if (adapter
->generation
== BE_GEN3
) {
410 if (lancer_chip(adapter
))
411 populate_lancer_stats(adapter
);
413 populate_be3_stats(adapter
);
415 populate_be2_stats(adapter
);
418 /* as erx_v1 is longer than v0, ok to use v1 defn for v0 access */
419 for_all_rx_queues(adapter
, rxo
, i
) {
420 /* below erx HW counter can actually wrap around after
421 * 65535. Driver accumulates a 32-bit value
423 accumulate_16bit_val(&rx_stats(rxo
)->rx_drops_no_frags
,
424 (u16
)erx
->rx_drops_no_fragments
[rxo
->q
.id
]);
428 static struct rtnl_link_stats64
*be_get_stats64(struct net_device
*netdev
,
429 struct rtnl_link_stats64
*stats
)
431 struct be_adapter
*adapter
= netdev_priv(netdev
);
432 struct be_drv_stats
*drvs
= &adapter
->drv_stats
;
433 struct be_rx_obj
*rxo
;
434 struct be_tx_obj
*txo
;
439 for_all_rx_queues(adapter
, rxo
, i
) {
440 const struct be_rx_stats
*rx_stats
= rx_stats(rxo
);
442 start
= u64_stats_fetch_begin_bh(&rx_stats
->sync
);
443 pkts
= rx_stats(rxo
)->rx_pkts
;
444 bytes
= rx_stats(rxo
)->rx_bytes
;
445 } while (u64_stats_fetch_retry_bh(&rx_stats
->sync
, start
));
446 stats
->rx_packets
+= pkts
;
447 stats
->rx_bytes
+= bytes
;
448 stats
->multicast
+= rx_stats(rxo
)->rx_mcast_pkts
;
449 stats
->rx_dropped
+= rx_stats(rxo
)->rx_drops_no_skbs
+
450 rx_stats(rxo
)->rx_drops_no_frags
;
453 for_all_tx_queues(adapter
, txo
, i
) {
454 const struct be_tx_stats
*tx_stats
= tx_stats(txo
);
456 start
= u64_stats_fetch_begin_bh(&tx_stats
->sync
);
457 pkts
= tx_stats(txo
)->tx_pkts
;
458 bytes
= tx_stats(txo
)->tx_bytes
;
459 } while (u64_stats_fetch_retry_bh(&tx_stats
->sync
, start
));
460 stats
->tx_packets
+= pkts
;
461 stats
->tx_bytes
+= bytes
;
464 /* bad pkts received */
465 stats
->rx_errors
= drvs
->rx_crc_errors
+
466 drvs
->rx_alignment_symbol_errors
+
467 drvs
->rx_in_range_errors
+
468 drvs
->rx_out_range_errors
+
469 drvs
->rx_frame_too_long
+
470 drvs
->rx_dropped_too_small
+
471 drvs
->rx_dropped_too_short
+
472 drvs
->rx_dropped_header_too_small
+
473 drvs
->rx_dropped_tcp_length
+
474 drvs
->rx_dropped_runt
;
476 /* detailed rx errors */
477 stats
->rx_length_errors
= drvs
->rx_in_range_errors
+
478 drvs
->rx_out_range_errors
+
479 drvs
->rx_frame_too_long
;
481 stats
->rx_crc_errors
= drvs
->rx_crc_errors
;
483 /* frame alignment errors */
484 stats
->rx_frame_errors
= drvs
->rx_alignment_symbol_errors
;
486 /* receiver fifo overrun */
487 /* drops_no_pbuf is no per i/f, it's per BE card */
488 stats
->rx_fifo_errors
= drvs
->rxpp_fifo_overflow_drop
+
489 drvs
->rx_input_fifo_overflow_drop
+
490 drvs
->rx_drops_no_pbuf
;
494 void be_link_status_update(struct be_adapter
*adapter
, u32 link_status
)
496 struct net_device
*netdev
= adapter
->netdev
;
498 /* when link status changes, link speed must be re-queried from card */
499 adapter
->link_speed
= -1;
500 if ((link_status
& LINK_STATUS_MASK
) == LINK_UP
) {
501 netif_carrier_on(netdev
);
502 dev_info(&adapter
->pdev
->dev
, "%s: Link up\n", netdev
->name
);
504 netif_carrier_off(netdev
);
505 dev_info(&adapter
->pdev
->dev
, "%s: Link down\n", netdev
->name
);
509 static void be_tx_stats_update(struct be_tx_obj
*txo
,
510 u32 wrb_cnt
, u32 copied
, u32 gso_segs
, bool stopped
)
512 struct be_tx_stats
*stats
= tx_stats(txo
);
514 u64_stats_update_begin(&stats
->sync
);
516 stats
->tx_wrbs
+= wrb_cnt
;
517 stats
->tx_bytes
+= copied
;
518 stats
->tx_pkts
+= (gso_segs
? gso_segs
: 1);
521 u64_stats_update_end(&stats
->sync
);
524 /* Determine number of WRB entries needed to xmit data in an skb */
525 static u32
wrb_cnt_for_skb(struct be_adapter
*adapter
, struct sk_buff
*skb
,
528 int cnt
= (skb
->len
> skb
->data_len
);
530 cnt
+= skb_shinfo(skb
)->nr_frags
;
532 /* to account for hdr wrb */
534 if (lancer_chip(adapter
) || !(cnt
& 1)) {
537 /* add a dummy to make it an even num */
541 BUG_ON(cnt
> BE_MAX_TX_FRAG_COUNT
);
545 static inline void wrb_fill(struct be_eth_wrb
*wrb
, u64 addr
, int len
)
547 wrb
->frag_pa_hi
= upper_32_bits(addr
);
548 wrb
->frag_pa_lo
= addr
& 0xFFFFFFFF;
549 wrb
->frag_len
= len
& ETH_WRB_FRAG_LEN_MASK
;
552 static void wrb_fill_hdr(struct be_adapter
*adapter
, struct be_eth_hdr_wrb
*hdr
,
553 struct sk_buff
*skb
, u32 wrb_cnt
, u32 len
)
558 memset(hdr
, 0, sizeof(*hdr
));
560 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, crc
, hdr
, 1);
562 if (skb_is_gso(skb
)) {
563 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, lso
, hdr
, 1);
564 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, lso_mss
,
565 hdr
, skb_shinfo(skb
)->gso_size
);
566 if (skb_is_gso_v6(skb
) && !lancer_chip(adapter
))
567 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, lso6
, hdr
, 1);
568 if (lancer_chip(adapter
) && adapter
->sli_family
==
569 LANCER_A0_SLI_FAMILY
) {
570 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, ipcs
, hdr
, 1);
572 AMAP_SET_BITS(struct amap_eth_hdr_wrb
,
574 else if (is_udp_pkt(skb
))
575 AMAP_SET_BITS(struct amap_eth_hdr_wrb
,
578 } else if (skb
->ip_summed
== CHECKSUM_PARTIAL
) {
580 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, tcpcs
, hdr
, 1);
581 else if (is_udp_pkt(skb
))
582 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, udpcs
, hdr
, 1);
585 if (vlan_tx_tag_present(skb
)) {
586 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, vlan
, hdr
, 1);
587 vlan_tag
= vlan_tx_tag_get(skb
);
588 vlan_prio
= (vlan_tag
& VLAN_PRIO_MASK
) >> VLAN_PRIO_SHIFT
;
589 /* If vlan priority provided by OS is NOT in available bmap */
590 if (!(adapter
->vlan_prio_bmap
& (1 << vlan_prio
)))
591 vlan_tag
= (vlan_tag
& ~VLAN_PRIO_MASK
) |
592 adapter
->recommended_prio
;
593 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, vlan_tag
, hdr
, vlan_tag
);
596 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, event
, hdr
, 1);
597 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, complete
, hdr
, 1);
598 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, num_wrb
, hdr
, wrb_cnt
);
599 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, len
, hdr
, len
);
602 static void unmap_tx_frag(struct device
*dev
, struct be_eth_wrb
*wrb
,
607 be_dws_le_to_cpu(wrb
, sizeof(*wrb
));
609 dma
= (u64
)wrb
->frag_pa_hi
<< 32 | (u64
)wrb
->frag_pa_lo
;
612 dma_unmap_single(dev
, dma
, wrb
->frag_len
,
615 dma_unmap_page(dev
, dma
, wrb
->frag_len
, DMA_TO_DEVICE
);
619 static int make_tx_wrbs(struct be_adapter
*adapter
, struct be_queue_info
*txq
,
620 struct sk_buff
*skb
, u32 wrb_cnt
, bool dummy_wrb
)
624 struct device
*dev
= &adapter
->pdev
->dev
;
625 struct sk_buff
*first_skb
= skb
;
626 struct be_eth_wrb
*wrb
;
627 struct be_eth_hdr_wrb
*hdr
;
628 bool map_single
= false;
631 hdr
= queue_head_node(txq
);
633 map_head
= txq
->head
;
635 if (skb
->len
> skb
->data_len
) {
636 int len
= skb_headlen(skb
);
637 busaddr
= dma_map_single(dev
, skb
->data
, len
, DMA_TO_DEVICE
);
638 if (dma_mapping_error(dev
, busaddr
))
641 wrb
= queue_head_node(txq
);
642 wrb_fill(wrb
, busaddr
, len
);
643 be_dws_cpu_to_le(wrb
, sizeof(*wrb
));
648 for (i
= 0; i
< skb_shinfo(skb
)->nr_frags
; i
++) {
649 const struct skb_frag_struct
*frag
=
650 &skb_shinfo(skb
)->frags
[i
];
651 busaddr
= skb_frag_dma_map(dev
, frag
, 0,
652 skb_frag_size(frag
), DMA_TO_DEVICE
);
653 if (dma_mapping_error(dev
, busaddr
))
655 wrb
= queue_head_node(txq
);
656 wrb_fill(wrb
, busaddr
, skb_frag_size(frag
));
657 be_dws_cpu_to_le(wrb
, sizeof(*wrb
));
659 copied
+= skb_frag_size(frag
);
663 wrb
= queue_head_node(txq
);
665 be_dws_cpu_to_le(wrb
, sizeof(*wrb
));
669 wrb_fill_hdr(adapter
, hdr
, first_skb
, wrb_cnt
, copied
);
670 be_dws_cpu_to_le(hdr
, sizeof(*hdr
));
674 txq
->head
= map_head
;
676 wrb
= queue_head_node(txq
);
677 unmap_tx_frag(dev
, wrb
, map_single
);
679 copied
-= wrb
->frag_len
;
685 static netdev_tx_t
be_xmit(struct sk_buff
*skb
,
686 struct net_device
*netdev
)
688 struct be_adapter
*adapter
= netdev_priv(netdev
);
689 struct be_tx_obj
*txo
= &adapter
->tx_obj
[skb_get_queue_mapping(skb
)];
690 struct be_queue_info
*txq
= &txo
->q
;
691 u32 wrb_cnt
= 0, copied
= 0;
692 u32 start
= txq
->head
;
693 bool dummy_wrb
, stopped
= false;
695 wrb_cnt
= wrb_cnt_for_skb(adapter
, skb
, &dummy_wrb
);
697 copied
= make_tx_wrbs(adapter
, txq
, skb
, wrb_cnt
, dummy_wrb
);
699 /* record the sent skb in the sent_skb table */
700 BUG_ON(txo
->sent_skb_list
[start
]);
701 txo
->sent_skb_list
[start
] = skb
;
703 /* Ensure txq has space for the next skb; Else stop the queue
704 * *BEFORE* ringing the tx doorbell, so that we serialze the
705 * tx compls of the current transmit which'll wake up the queue
707 atomic_add(wrb_cnt
, &txq
->used
);
708 if ((BE_MAX_TX_FRAG_COUNT
+ atomic_read(&txq
->used
)) >=
710 netif_stop_subqueue(netdev
, skb_get_queue_mapping(skb
));
714 be_txq_notify(adapter
, txq
->id
, wrb_cnt
);
716 be_tx_stats_update(txo
, wrb_cnt
, copied
,
717 skb_shinfo(skb
)->gso_segs
, stopped
);
720 dev_kfree_skb_any(skb
);
725 static int be_change_mtu(struct net_device
*netdev
, int new_mtu
)
727 struct be_adapter
*adapter
= netdev_priv(netdev
);
728 if (new_mtu
< BE_MIN_MTU
||
729 new_mtu
> (BE_MAX_JUMBO_FRAME_SIZE
-
730 (ETH_HLEN
+ ETH_FCS_LEN
))) {
731 dev_info(&adapter
->pdev
->dev
,
732 "MTU must be between %d and %d bytes\n",
734 (BE_MAX_JUMBO_FRAME_SIZE
- (ETH_HLEN
+ ETH_FCS_LEN
)));
737 dev_info(&adapter
->pdev
->dev
, "MTU changed from %d to %d bytes\n",
738 netdev
->mtu
, new_mtu
);
739 netdev
->mtu
= new_mtu
;
744 * A max of 64 (BE_NUM_VLANS_SUPPORTED) vlans can be configured in BE.
745 * If the user configures more, place BE in vlan promiscuous mode.
747 static int be_vid_config(struct be_adapter
*adapter
, bool vf
, u32 vf_num
)
749 u16 vtag
[BE_NUM_VLANS_SUPPORTED
];
755 if_handle
= adapter
->vf_cfg
[vf_num
].vf_if_handle
;
756 vtag
[0] = cpu_to_le16(adapter
->vf_cfg
[vf_num
].vf_vlan_tag
);
757 status
= be_cmd_vlan_config(adapter
, if_handle
, vtag
, 1, 1, 0);
760 /* No need to further configure vids if in promiscuous mode */
761 if (adapter
->promiscuous
)
764 if (adapter
->vlans_added
<= adapter
->max_vlans
) {
765 /* Construct VLAN Table to give to HW */
766 for (i
= 0; i
< VLAN_N_VID
; i
++) {
767 if (adapter
->vlan_tag
[i
]) {
768 vtag
[ntags
] = cpu_to_le16(i
);
772 status
= be_cmd_vlan_config(adapter
, adapter
->if_handle
,
775 status
= be_cmd_vlan_config(adapter
, adapter
->if_handle
,
782 static void be_vlan_add_vid(struct net_device
*netdev
, u16 vid
)
784 struct be_adapter
*adapter
= netdev_priv(netdev
);
786 adapter
->vlans_added
++;
787 if (!be_physfn(adapter
))
790 adapter
->vlan_tag
[vid
] = 1;
791 if (adapter
->vlans_added
<= (adapter
->max_vlans
+ 1))
792 be_vid_config(adapter
, false, 0);
795 static void be_vlan_rem_vid(struct net_device
*netdev
, u16 vid
)
797 struct be_adapter
*adapter
= netdev_priv(netdev
);
799 adapter
->vlans_added
--;
801 if (!be_physfn(adapter
))
804 adapter
->vlan_tag
[vid
] = 0;
805 if (adapter
->vlans_added
<= adapter
->max_vlans
)
806 be_vid_config(adapter
, false, 0);
809 static void be_set_rx_mode(struct net_device
*netdev
)
811 struct be_adapter
*adapter
= netdev_priv(netdev
);
813 if (netdev
->flags
& IFF_PROMISC
) {
814 be_cmd_rx_filter(adapter
, IFF_PROMISC
, ON
);
815 adapter
->promiscuous
= true;
819 /* BE was previously in promiscuous mode; disable it */
820 if (adapter
->promiscuous
) {
821 adapter
->promiscuous
= false;
822 be_cmd_rx_filter(adapter
, IFF_PROMISC
, OFF
);
824 if (adapter
->vlans_added
)
825 be_vid_config(adapter
, false, 0);
828 /* Enable multicast promisc if num configured exceeds what we support */
829 if (netdev
->flags
& IFF_ALLMULTI
||
830 netdev_mc_count(netdev
) > BE_MAX_MC
) {
831 be_cmd_rx_filter(adapter
, IFF_ALLMULTI
, ON
);
835 be_cmd_rx_filter(adapter
, IFF_MULTICAST
, ON
);
840 static int be_set_vf_mac(struct net_device
*netdev
, int vf
, u8
*mac
)
842 struct be_adapter
*adapter
= netdev_priv(netdev
);
845 if (!adapter
->sriov_enabled
)
848 if (!is_valid_ether_addr(mac
) || (vf
>= num_vfs
))
851 status
= be_cmd_pmac_del(adapter
, adapter
->vf_cfg
[vf
].vf_if_handle
,
852 adapter
->vf_cfg
[vf
].vf_pmac_id
, vf
+ 1);
854 status
= be_cmd_pmac_add(adapter
, mac
, adapter
->vf_cfg
[vf
].vf_if_handle
,
855 &adapter
->vf_cfg
[vf
].vf_pmac_id
, vf
+ 1);
857 dev_err(&adapter
->pdev
->dev
, "MAC %pM set on VF %d Failed\n",
860 memcpy(adapter
->vf_cfg
[vf
].vf_mac_addr
, mac
, ETH_ALEN
);
865 static int be_get_vf_config(struct net_device
*netdev
, int vf
,
866 struct ifla_vf_info
*vi
)
868 struct be_adapter
*adapter
= netdev_priv(netdev
);
870 if (!adapter
->sriov_enabled
)
877 vi
->tx_rate
= adapter
->vf_cfg
[vf
].vf_tx_rate
;
878 vi
->vlan
= adapter
->vf_cfg
[vf
].vf_vlan_tag
;
880 memcpy(&vi
->mac
, adapter
->vf_cfg
[vf
].vf_mac_addr
, ETH_ALEN
);
885 static int be_set_vf_vlan(struct net_device
*netdev
,
886 int vf
, u16 vlan
, u8 qos
)
888 struct be_adapter
*adapter
= netdev_priv(netdev
);
891 if (!adapter
->sriov_enabled
)
894 if ((vf
>= num_vfs
) || (vlan
> 4095))
898 adapter
->vf_cfg
[vf
].vf_vlan_tag
= vlan
;
899 adapter
->vlans_added
++;
901 adapter
->vf_cfg
[vf
].vf_vlan_tag
= 0;
902 adapter
->vlans_added
--;
905 status
= be_vid_config(adapter
, true, vf
);
908 dev_info(&adapter
->pdev
->dev
,
909 "VLAN %d config on VF %d failed\n", vlan
, vf
);
913 static int be_set_vf_tx_rate(struct net_device
*netdev
,
916 struct be_adapter
*adapter
= netdev_priv(netdev
);
919 if (!adapter
->sriov_enabled
)
922 if ((vf
>= num_vfs
) || (rate
< 0))
928 adapter
->vf_cfg
[vf
].vf_tx_rate
= rate
;
929 status
= be_cmd_set_qos(adapter
, rate
/ 10, vf
+ 1);
932 dev_info(&adapter
->pdev
->dev
,
933 "tx rate %d on VF %d failed\n", rate
, vf
);
937 static void be_rx_eqd_update(struct be_adapter
*adapter
, struct be_rx_obj
*rxo
)
939 struct be_eq_obj
*rx_eq
= &rxo
->rx_eq
;
940 struct be_rx_stats
*stats
= rx_stats(rxo
);
942 ulong delta
= now
- stats
->rx_jiffies
;
944 unsigned int start
, eqd
;
946 if (!rx_eq
->enable_aic
)
950 if (time_before(now
, stats
->rx_jiffies
)) {
951 stats
->rx_jiffies
= now
;
955 /* Update once a second */
960 start
= u64_stats_fetch_begin_bh(&stats
->sync
);
961 pkts
= stats
->rx_pkts
;
962 } while (u64_stats_fetch_retry_bh(&stats
->sync
, start
));
964 stats
->rx_pps
= (unsigned long)(pkts
- stats
->rx_pkts_prev
) / (delta
/ HZ
);
965 stats
->rx_pkts_prev
= pkts
;
966 stats
->rx_jiffies
= now
;
967 eqd
= stats
->rx_pps
/ 110000;
969 if (eqd
> rx_eq
->max_eqd
)
970 eqd
= rx_eq
->max_eqd
;
971 if (eqd
< rx_eq
->min_eqd
)
972 eqd
= rx_eq
->min_eqd
;
975 if (eqd
!= rx_eq
->cur_eqd
) {
976 be_cmd_modify_eqd(adapter
, rx_eq
->q
.id
, eqd
);
977 rx_eq
->cur_eqd
= eqd
;
981 static void be_rx_stats_update(struct be_rx_obj
*rxo
,
982 struct be_rx_compl_info
*rxcp
)
984 struct be_rx_stats
*stats
= rx_stats(rxo
);
986 u64_stats_update_begin(&stats
->sync
);
988 stats
->rx_bytes
+= rxcp
->pkt_size
;
990 if (rxcp
->pkt_type
== BE_MULTICAST_PACKET
)
991 stats
->rx_mcast_pkts
++;
993 stats
->rx_compl_err
++;
994 u64_stats_update_end(&stats
->sync
);
997 static inline bool csum_passed(struct be_rx_compl_info
*rxcp
)
999 /* L4 checksum is not reliable for non TCP/UDP packets.
1000 * Also ignore ipcksm for ipv6 pkts */
1001 return (rxcp
->tcpf
|| rxcp
->udpf
) && rxcp
->l4_csum
&&
1002 (rxcp
->ip_csum
|| rxcp
->ipv6
);
1005 static struct be_rx_page_info
*
1006 get_rx_page_info(struct be_adapter
*adapter
,
1007 struct be_rx_obj
*rxo
,
1010 struct be_rx_page_info
*rx_page_info
;
1011 struct be_queue_info
*rxq
= &rxo
->q
;
1013 rx_page_info
= &rxo
->page_info_tbl
[frag_idx
];
1014 BUG_ON(!rx_page_info
->page
);
1016 if (rx_page_info
->last_page_user
) {
1017 dma_unmap_page(&adapter
->pdev
->dev
,
1018 dma_unmap_addr(rx_page_info
, bus
),
1019 adapter
->big_page_size
, DMA_FROM_DEVICE
);
1020 rx_page_info
->last_page_user
= false;
1023 atomic_dec(&rxq
->used
);
1024 return rx_page_info
;
1027 /* Throwaway the data in the Rx completion */
1028 static void be_rx_compl_discard(struct be_adapter
*adapter
,
1029 struct be_rx_obj
*rxo
,
1030 struct be_rx_compl_info
*rxcp
)
1032 struct be_queue_info
*rxq
= &rxo
->q
;
1033 struct be_rx_page_info
*page_info
;
1034 u16 i
, num_rcvd
= rxcp
->num_rcvd
;
1036 for (i
= 0; i
< num_rcvd
; i
++) {
1037 page_info
= get_rx_page_info(adapter
, rxo
, rxcp
->rxq_idx
);
1038 put_page(page_info
->page
);
1039 memset(page_info
, 0, sizeof(*page_info
));
1040 index_inc(&rxcp
->rxq_idx
, rxq
->len
);
1045 * skb_fill_rx_data forms a complete skb for an ether frame
1046 * indicated by rxcp.
1048 static void skb_fill_rx_data(struct be_adapter
*adapter
, struct be_rx_obj
*rxo
,
1049 struct sk_buff
*skb
, struct be_rx_compl_info
*rxcp
)
1051 struct be_queue_info
*rxq
= &rxo
->q
;
1052 struct be_rx_page_info
*page_info
;
1054 u16 hdr_len
, curr_frag_len
, remaining
;
1057 page_info
= get_rx_page_info(adapter
, rxo
, rxcp
->rxq_idx
);
1058 start
= page_address(page_info
->page
) + page_info
->page_offset
;
1061 /* Copy data in the first descriptor of this completion */
1062 curr_frag_len
= min(rxcp
->pkt_size
, rx_frag_size
);
1064 /* Copy the header portion into skb_data */
1065 hdr_len
= min(BE_HDR_LEN
, curr_frag_len
);
1066 memcpy(skb
->data
, start
, hdr_len
);
1067 skb
->len
= curr_frag_len
;
1068 if (curr_frag_len
<= BE_HDR_LEN
) { /* tiny packet */
1069 /* Complete packet has now been moved to data */
1070 put_page(page_info
->page
);
1072 skb
->tail
+= curr_frag_len
;
1074 skb_shinfo(skb
)->nr_frags
= 1;
1075 skb_frag_set_page(skb
, 0, page_info
->page
);
1076 skb_shinfo(skb
)->frags
[0].page_offset
=
1077 page_info
->page_offset
+ hdr_len
;
1078 skb_frag_size_set(&skb_shinfo(skb
)->frags
[0], curr_frag_len
- hdr_len
);
1079 skb
->data_len
= curr_frag_len
- hdr_len
;
1080 skb
->truesize
+= rx_frag_size
;
1081 skb
->tail
+= hdr_len
;
1083 page_info
->page
= NULL
;
1085 if (rxcp
->pkt_size
<= rx_frag_size
) {
1086 BUG_ON(rxcp
->num_rcvd
!= 1);
1090 /* More frags present for this completion */
1091 index_inc(&rxcp
->rxq_idx
, rxq
->len
);
1092 remaining
= rxcp
->pkt_size
- curr_frag_len
;
1093 for (i
= 1, j
= 0; i
< rxcp
->num_rcvd
; i
++) {
1094 page_info
= get_rx_page_info(adapter
, rxo
, rxcp
->rxq_idx
);
1095 curr_frag_len
= min(remaining
, rx_frag_size
);
1097 /* Coalesce all frags from the same physical page in one slot */
1098 if (page_info
->page_offset
== 0) {
1101 skb_frag_set_page(skb
, j
, page_info
->page
);
1102 skb_shinfo(skb
)->frags
[j
].page_offset
=
1103 page_info
->page_offset
;
1104 skb_frag_size_set(&skb_shinfo(skb
)->frags
[j
], 0);
1105 skb_shinfo(skb
)->nr_frags
++;
1107 put_page(page_info
->page
);
1110 skb_frag_size_add(&skb_shinfo(skb
)->frags
[j
], curr_frag_len
);
1111 skb
->len
+= curr_frag_len
;
1112 skb
->data_len
+= curr_frag_len
;
1113 skb
->truesize
+= rx_frag_size
;
1114 remaining
-= curr_frag_len
;
1115 index_inc(&rxcp
->rxq_idx
, rxq
->len
);
1116 page_info
->page
= NULL
;
1118 BUG_ON(j
> MAX_SKB_FRAGS
);
1121 /* Process the RX completion indicated by rxcp when GRO is disabled */
1122 static void be_rx_compl_process(struct be_adapter
*adapter
,
1123 struct be_rx_obj
*rxo
,
1124 struct be_rx_compl_info
*rxcp
)
1126 struct net_device
*netdev
= adapter
->netdev
;
1127 struct sk_buff
*skb
;
1129 skb
= netdev_alloc_skb_ip_align(netdev
, BE_HDR_LEN
);
1130 if (unlikely(!skb
)) {
1131 rx_stats(rxo
)->rx_drops_no_skbs
++;
1132 be_rx_compl_discard(adapter
, rxo
, rxcp
);
1136 skb_fill_rx_data(adapter
, rxo
, skb
, rxcp
);
1138 if (likely((netdev
->features
& NETIF_F_RXCSUM
) && csum_passed(rxcp
)))
1139 skb
->ip_summed
= CHECKSUM_UNNECESSARY
;
1141 skb_checksum_none_assert(skb
);
1143 skb
->protocol
= eth_type_trans(skb
, netdev
);
1144 if (adapter
->netdev
->features
& NETIF_F_RXHASH
)
1145 skb
->rxhash
= rxcp
->rss_hash
;
1149 __vlan_hwaccel_put_tag(skb
, rxcp
->vlan_tag
);
1151 netif_receive_skb(skb
);
1154 /* Process the RX completion indicated by rxcp when GRO is enabled */
1155 static void be_rx_compl_process_gro(struct be_adapter
*adapter
,
1156 struct be_rx_obj
*rxo
,
1157 struct be_rx_compl_info
*rxcp
)
1159 struct be_rx_page_info
*page_info
;
1160 struct sk_buff
*skb
= NULL
;
1161 struct be_queue_info
*rxq
= &rxo
->q
;
1162 struct be_eq_obj
*eq_obj
= &rxo
->rx_eq
;
1163 u16 remaining
, curr_frag_len
;
1166 skb
= napi_get_frags(&eq_obj
->napi
);
1168 be_rx_compl_discard(adapter
, rxo
, rxcp
);
1172 remaining
= rxcp
->pkt_size
;
1173 for (i
= 0, j
= -1; i
< rxcp
->num_rcvd
; i
++) {
1174 page_info
= get_rx_page_info(adapter
, rxo
, rxcp
->rxq_idx
);
1176 curr_frag_len
= min(remaining
, rx_frag_size
);
1178 /* Coalesce all frags from the same physical page in one slot */
1179 if (i
== 0 || page_info
->page_offset
== 0) {
1180 /* First frag or Fresh page */
1182 skb_frag_set_page(skb
, j
, page_info
->page
);
1183 skb_shinfo(skb
)->frags
[j
].page_offset
=
1184 page_info
->page_offset
;
1185 skb_frag_size_set(&skb_shinfo(skb
)->frags
[j
], 0);
1187 put_page(page_info
->page
);
1189 skb_frag_size_add(&skb_shinfo(skb
)->frags
[j
], curr_frag_len
);
1190 skb
->truesize
+= rx_frag_size
;
1191 remaining
-= curr_frag_len
;
1192 index_inc(&rxcp
->rxq_idx
, rxq
->len
);
1193 memset(page_info
, 0, sizeof(*page_info
));
1195 BUG_ON(j
> MAX_SKB_FRAGS
);
1197 skb_shinfo(skb
)->nr_frags
= j
+ 1;
1198 skb
->len
= rxcp
->pkt_size
;
1199 skb
->data_len
= rxcp
->pkt_size
;
1200 skb
->ip_summed
= CHECKSUM_UNNECESSARY
;
1201 if (adapter
->netdev
->features
& NETIF_F_RXHASH
)
1202 skb
->rxhash
= rxcp
->rss_hash
;
1205 __vlan_hwaccel_put_tag(skb
, rxcp
->vlan_tag
);
1207 napi_gro_frags(&eq_obj
->napi
);
1210 static void be_parse_rx_compl_v1(struct be_adapter
*adapter
,
1211 struct be_eth_rx_compl
*compl,
1212 struct be_rx_compl_info
*rxcp
)
1215 AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, pktsize
, compl);
1216 rxcp
->vlanf
= AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, vtp
, compl);
1217 rxcp
->err
= AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, err
, compl);
1218 rxcp
->tcpf
= AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, tcpf
, compl);
1219 rxcp
->udpf
= AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, udpf
, compl);
1221 AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, ipcksm
, compl);
1223 AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, l4_cksm
, compl);
1225 AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, ip_version
, compl);
1227 AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, fragndx
, compl);
1229 AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, numfrags
, compl);
1231 AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, cast_enc
, compl);
1233 AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, rsshash
, rxcp
);
1235 rxcp
->vtm
= AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, vtm
,
1237 rxcp
->vlan_tag
= AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, vlan_tag
,
1240 rxcp
->port
= AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, port
, compl);
1243 static void be_parse_rx_compl_v0(struct be_adapter
*adapter
,
1244 struct be_eth_rx_compl
*compl,
1245 struct be_rx_compl_info
*rxcp
)
1248 AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, pktsize
, compl);
1249 rxcp
->vlanf
= AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, vtp
, compl);
1250 rxcp
->err
= AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, err
, compl);
1251 rxcp
->tcpf
= AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, tcpf
, compl);
1252 rxcp
->udpf
= AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, udpf
, compl);
1254 AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, ipcksm
, compl);
1256 AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, l4_cksm
, compl);
1258 AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, ip_version
, compl);
1260 AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, fragndx
, compl);
1262 AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, numfrags
, compl);
1264 AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, cast_enc
, compl);
1266 AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, rsshash
, rxcp
);
1268 rxcp
->vtm
= AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, vtm
,
1270 rxcp
->vlan_tag
= AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, vlan_tag
,
1273 rxcp
->port
= AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, port
, compl);
1276 static struct be_rx_compl_info
*be_rx_compl_get(struct be_rx_obj
*rxo
)
1278 struct be_eth_rx_compl
*compl = queue_tail_node(&rxo
->cq
);
1279 struct be_rx_compl_info
*rxcp
= &rxo
->rxcp
;
1280 struct be_adapter
*adapter
= rxo
->adapter
;
1282 /* For checking the valid bit it is Ok to use either definition as the
1283 * valid bit is at the same position in both v0 and v1 Rx compl */
1284 if (compl->dw
[offsetof(struct amap_eth_rx_compl_v1
, valid
) / 32] == 0)
1288 be_dws_le_to_cpu(compl, sizeof(*compl));
1290 if (adapter
->be3_native
)
1291 be_parse_rx_compl_v1(adapter
, compl, rxcp
);
1293 be_parse_rx_compl_v0(adapter
, compl, rxcp
);
1296 /* vlanf could be wrongly set in some cards.
1297 * ignore if vtm is not set */
1298 if ((adapter
->function_mode
& FLEX10_MODE
) && !rxcp
->vtm
)
1301 if (!lancer_chip(adapter
))
1302 rxcp
->vlan_tag
= swab16(rxcp
->vlan_tag
);
1304 if (adapter
->pvid
== (rxcp
->vlan_tag
& VLAN_VID_MASK
) &&
1305 !adapter
->vlan_tag
[rxcp
->vlan_tag
])
1309 /* As the compl has been parsed, reset it; we wont touch it again */
1310 compl->dw
[offsetof(struct amap_eth_rx_compl_v1
, valid
) / 32] = 0;
1312 queue_tail_inc(&rxo
->cq
);
1316 static inline struct page
*be_alloc_pages(u32 size
, gfp_t gfp
)
1318 u32 order
= get_order(size
);
1322 return alloc_pages(gfp
, order
);
1326 * Allocate a page, split it to fragments of size rx_frag_size and post as
1327 * receive buffers to BE
1329 static void be_post_rx_frags(struct be_rx_obj
*rxo
, gfp_t gfp
)
1331 struct be_adapter
*adapter
= rxo
->adapter
;
1332 struct be_rx_page_info
*page_info_tbl
= rxo
->page_info_tbl
;
1333 struct be_rx_page_info
*page_info
= NULL
, *prev_page_info
= NULL
;
1334 struct be_queue_info
*rxq
= &rxo
->q
;
1335 struct page
*pagep
= NULL
;
1336 struct be_eth_rx_d
*rxd
;
1337 u64 page_dmaaddr
= 0, frag_dmaaddr
;
1338 u32 posted
, page_offset
= 0;
1340 page_info
= &rxo
->page_info_tbl
[rxq
->head
];
1341 for (posted
= 0; posted
< MAX_RX_POST
&& !page_info
->page
; posted
++) {
1343 pagep
= be_alloc_pages(adapter
->big_page_size
, gfp
);
1344 if (unlikely(!pagep
)) {
1345 rx_stats(rxo
)->rx_post_fail
++;
1348 page_dmaaddr
= dma_map_page(&adapter
->pdev
->dev
, pagep
,
1349 0, adapter
->big_page_size
,
1351 page_info
->page_offset
= 0;
1354 page_info
->page_offset
= page_offset
+ rx_frag_size
;
1356 page_offset
= page_info
->page_offset
;
1357 page_info
->page
= pagep
;
1358 dma_unmap_addr_set(page_info
, bus
, page_dmaaddr
);
1359 frag_dmaaddr
= page_dmaaddr
+ page_info
->page_offset
;
1361 rxd
= queue_head_node(rxq
);
1362 rxd
->fragpa_lo
= cpu_to_le32(frag_dmaaddr
& 0xFFFFFFFF);
1363 rxd
->fragpa_hi
= cpu_to_le32(upper_32_bits(frag_dmaaddr
));
1365 /* Any space left in the current big page for another frag? */
1366 if ((page_offset
+ rx_frag_size
+ rx_frag_size
) >
1367 adapter
->big_page_size
) {
1369 page_info
->last_page_user
= true;
1372 prev_page_info
= page_info
;
1373 queue_head_inc(rxq
);
1374 page_info
= &page_info_tbl
[rxq
->head
];
1377 prev_page_info
->last_page_user
= true;
1380 atomic_add(posted
, &rxq
->used
);
1381 be_rxq_notify(adapter
, rxq
->id
, posted
);
1382 } else if (atomic_read(&rxq
->used
) == 0) {
1383 /* Let be_worker replenish when memory is available */
1384 rxo
->rx_post_starved
= true;
1388 static struct be_eth_tx_compl
*be_tx_compl_get(struct be_queue_info
*tx_cq
)
1390 struct be_eth_tx_compl
*txcp
= queue_tail_node(tx_cq
);
1392 if (txcp
->dw
[offsetof(struct amap_eth_tx_compl
, valid
) / 32] == 0)
1396 be_dws_le_to_cpu(txcp
, sizeof(*txcp
));
1398 txcp
->dw
[offsetof(struct amap_eth_tx_compl
, valid
) / 32] = 0;
1400 queue_tail_inc(tx_cq
);
1404 static u16
be_tx_compl_process(struct be_adapter
*adapter
,
1405 struct be_tx_obj
*txo
, u16 last_index
)
1407 struct be_queue_info
*txq
= &txo
->q
;
1408 struct be_eth_wrb
*wrb
;
1409 struct sk_buff
**sent_skbs
= txo
->sent_skb_list
;
1410 struct sk_buff
*sent_skb
;
1411 u16 cur_index
, num_wrbs
= 1; /* account for hdr wrb */
1412 bool unmap_skb_hdr
= true;
1414 sent_skb
= sent_skbs
[txq
->tail
];
1416 sent_skbs
[txq
->tail
] = NULL
;
1418 /* skip header wrb */
1419 queue_tail_inc(txq
);
1422 cur_index
= txq
->tail
;
1423 wrb
= queue_tail_node(txq
);
1424 unmap_tx_frag(&adapter
->pdev
->dev
, wrb
,
1425 (unmap_skb_hdr
&& skb_headlen(sent_skb
)));
1426 unmap_skb_hdr
= false;
1429 queue_tail_inc(txq
);
1430 } while (cur_index
!= last_index
);
1432 kfree_skb(sent_skb
);
1436 static inline struct be_eq_entry
*event_get(struct be_eq_obj
*eq_obj
)
1438 struct be_eq_entry
*eqe
= queue_tail_node(&eq_obj
->q
);
1444 eqe
->evt
= le32_to_cpu(eqe
->evt
);
1445 queue_tail_inc(&eq_obj
->q
);
1449 static int event_handle(struct be_adapter
*adapter
,
1450 struct be_eq_obj
*eq_obj
,
1453 struct be_eq_entry
*eqe
;
1456 while ((eqe
= event_get(eq_obj
)) != NULL
) {
1461 /* Deal with any spurious interrupts that come
1467 be_eq_notify(adapter
, eq_obj
->q
.id
, rearm
, true, num
);
1469 napi_schedule(&eq_obj
->napi
);
1474 /* Just read and notify events without processing them.
1475 * Used at the time of destroying event queues */
1476 static void be_eq_clean(struct be_adapter
*adapter
,
1477 struct be_eq_obj
*eq_obj
)
1479 struct be_eq_entry
*eqe
;
1482 while ((eqe
= event_get(eq_obj
)) != NULL
) {
1488 be_eq_notify(adapter
, eq_obj
->q
.id
, false, true, num
);
1491 static void be_rx_q_clean(struct be_adapter
*adapter
, struct be_rx_obj
*rxo
)
1493 struct be_rx_page_info
*page_info
;
1494 struct be_queue_info
*rxq
= &rxo
->q
;
1495 struct be_queue_info
*rx_cq
= &rxo
->cq
;
1496 struct be_rx_compl_info
*rxcp
;
1499 /* First cleanup pending rx completions */
1500 while ((rxcp
= be_rx_compl_get(rxo
)) != NULL
) {
1501 be_rx_compl_discard(adapter
, rxo
, rxcp
);
1502 be_cq_notify(adapter
, rx_cq
->id
, false, 1);
1505 /* Then free posted rx buffer that were not used */
1506 tail
= (rxq
->head
+ rxq
->len
- atomic_read(&rxq
->used
)) % rxq
->len
;
1507 for (; atomic_read(&rxq
->used
) > 0; index_inc(&tail
, rxq
->len
)) {
1508 page_info
= get_rx_page_info(adapter
, rxo
, tail
);
1509 put_page(page_info
->page
);
1510 memset(page_info
, 0, sizeof(*page_info
));
1512 BUG_ON(atomic_read(&rxq
->used
));
1513 rxq
->tail
= rxq
->head
= 0;
1516 static void be_tx_compl_clean(struct be_adapter
*adapter
,
1517 struct be_tx_obj
*txo
)
1519 struct be_queue_info
*tx_cq
= &txo
->cq
;
1520 struct be_queue_info
*txq
= &txo
->q
;
1521 struct be_eth_tx_compl
*txcp
;
1522 u16 end_idx
, cmpl
= 0, timeo
= 0, num_wrbs
= 0;
1523 struct sk_buff
**sent_skbs
= txo
->sent_skb_list
;
1524 struct sk_buff
*sent_skb
;
1527 /* Wait for a max of 200ms for all the tx-completions to arrive. */
1529 while ((txcp
= be_tx_compl_get(tx_cq
))) {
1530 end_idx
= AMAP_GET_BITS(struct amap_eth_tx_compl
,
1532 num_wrbs
+= be_tx_compl_process(adapter
, txo
, end_idx
);
1536 be_cq_notify(adapter
, tx_cq
->id
, false, cmpl
);
1537 atomic_sub(num_wrbs
, &txq
->used
);
1542 if (atomic_read(&txq
->used
) == 0 || ++timeo
> 200)
1548 if (atomic_read(&txq
->used
))
1549 dev_err(&adapter
->pdev
->dev
, "%d pending tx-completions\n",
1550 atomic_read(&txq
->used
));
1552 /* free posted tx for which compls will never arrive */
1553 while (atomic_read(&txq
->used
)) {
1554 sent_skb
= sent_skbs
[txq
->tail
];
1555 end_idx
= txq
->tail
;
1557 wrb_cnt_for_skb(adapter
, sent_skb
, &dummy_wrb
) - 1,
1559 num_wrbs
= be_tx_compl_process(adapter
, txo
, end_idx
);
1560 atomic_sub(num_wrbs
, &txq
->used
);
1564 static void be_mcc_queues_destroy(struct be_adapter
*adapter
)
1566 struct be_queue_info
*q
;
1568 q
= &adapter
->mcc_obj
.q
;
1570 be_cmd_q_destroy(adapter
, q
, QTYPE_MCCQ
);
1571 be_queue_free(adapter
, q
);
1573 q
= &adapter
->mcc_obj
.cq
;
1575 be_cmd_q_destroy(adapter
, q
, QTYPE_CQ
);
1576 be_queue_free(adapter
, q
);
1579 /* Must be called only after TX qs are created as MCC shares TX EQ */
1580 static int be_mcc_queues_create(struct be_adapter
*adapter
)
1582 struct be_queue_info
*q
, *cq
;
1584 /* Alloc MCC compl queue */
1585 cq
= &adapter
->mcc_obj
.cq
;
1586 if (be_queue_alloc(adapter
, cq
, MCC_CQ_LEN
,
1587 sizeof(struct be_mcc_compl
)))
1590 /* Ask BE to create MCC compl queue; share TX's eq */
1591 if (be_cmd_cq_create(adapter
, cq
, &adapter
->tx_eq
.q
, false, true, 0))
1594 /* Alloc MCC queue */
1595 q
= &adapter
->mcc_obj
.q
;
1596 if (be_queue_alloc(adapter
, q
, MCC_Q_LEN
, sizeof(struct be_mcc_wrb
)))
1597 goto mcc_cq_destroy
;
1599 /* Ask BE to create MCC queue */
1600 if (be_cmd_mccq_create(adapter
, q
, cq
))
1606 be_queue_free(adapter
, q
);
1608 be_cmd_q_destroy(adapter
, cq
, QTYPE_CQ
);
1610 be_queue_free(adapter
, cq
);
1615 static void be_tx_queues_destroy(struct be_adapter
*adapter
)
1617 struct be_queue_info
*q
;
1618 struct be_tx_obj
*txo
;
1621 for_all_tx_queues(adapter
, txo
, i
) {
1624 be_cmd_q_destroy(adapter
, q
, QTYPE_TXQ
);
1625 be_queue_free(adapter
, q
);
1629 be_cmd_q_destroy(adapter
, q
, QTYPE_CQ
);
1630 be_queue_free(adapter
, q
);
1633 /* Clear any residual events */
1634 be_eq_clean(adapter
, &adapter
->tx_eq
);
1636 q
= &adapter
->tx_eq
.q
;
1638 be_cmd_q_destroy(adapter
, q
, QTYPE_EQ
);
1639 be_queue_free(adapter
, q
);
1642 static int be_num_txqs_want(struct be_adapter
*adapter
)
1644 if ((num_vfs
&& adapter
->sriov_enabled
) ||
1645 be_is_mc(adapter
) ||
1646 lancer_chip(adapter
) || !be_physfn(adapter
) ||
1647 adapter
->generation
== BE_GEN2
)
1653 /* One TX event queue is shared by all TX compl qs */
1654 static int be_tx_queues_create(struct be_adapter
*adapter
)
1656 struct be_queue_info
*eq
, *q
, *cq
;
1657 struct be_tx_obj
*txo
;
1660 adapter
->num_tx_qs
= be_num_txqs_want(adapter
);
1661 if (adapter
->num_tx_qs
!= MAX_TX_QS
)
1662 netif_set_real_num_tx_queues(adapter
->netdev
,
1663 adapter
->num_tx_qs
);
1665 adapter
->tx_eq
.max_eqd
= 0;
1666 adapter
->tx_eq
.min_eqd
= 0;
1667 adapter
->tx_eq
.cur_eqd
= 96;
1668 adapter
->tx_eq
.enable_aic
= false;
1670 eq
= &adapter
->tx_eq
.q
;
1671 if (be_queue_alloc(adapter
, eq
, EVNT_Q_LEN
,
1672 sizeof(struct be_eq_entry
)))
1675 if (be_cmd_eq_create(adapter
, eq
, adapter
->tx_eq
.cur_eqd
))
1677 adapter
->tx_eq
.eq_idx
= adapter
->eq_next_idx
++;
1679 for_all_tx_queues(adapter
, txo
, i
) {
1681 if (be_queue_alloc(adapter
, cq
, TX_CQ_LEN
,
1682 sizeof(struct be_eth_tx_compl
)))
1685 if (be_cmd_cq_create(adapter
, cq
, eq
, false, false, 3))
1689 if (be_queue_alloc(adapter
, q
, TX_Q_LEN
,
1690 sizeof(struct be_eth_wrb
)))
1696 be_tx_queues_destroy(adapter
);
1700 static void be_rx_queues_destroy(struct be_adapter
*adapter
)
1702 struct be_queue_info
*q
;
1703 struct be_rx_obj
*rxo
;
1706 for_all_rx_queues(adapter
, rxo
, i
) {
1707 be_queue_free(adapter
, &rxo
->q
);
1711 be_cmd_q_destroy(adapter
, q
, QTYPE_CQ
);
1712 be_queue_free(adapter
, q
);
1716 be_cmd_q_destroy(adapter
, q
, QTYPE_EQ
);
1717 be_queue_free(adapter
, q
);
1721 static u32
be_num_rxqs_want(struct be_adapter
*adapter
)
1723 if ((adapter
->function_caps
& BE_FUNCTION_CAPS_RSS
) &&
1724 !adapter
->sriov_enabled
&& be_physfn(adapter
) &&
1725 !be_is_mc(adapter
)) {
1726 return 1 + MAX_RSS_QS
; /* one default non-RSS queue */
1728 dev_warn(&adapter
->pdev
->dev
,
1729 "No support for multiple RX queues\n");
1734 static int be_rx_queues_create(struct be_adapter
*adapter
)
1736 struct be_queue_info
*eq
, *q
, *cq
;
1737 struct be_rx_obj
*rxo
;
1740 adapter
->num_rx_qs
= min(be_num_rxqs_want(adapter
),
1741 msix_enabled(adapter
) ?
1742 adapter
->num_msix_vec
- 1 : 1);
1743 if (adapter
->num_rx_qs
!= MAX_RX_QS
)
1744 dev_warn(&adapter
->pdev
->dev
,
1745 "Can create only %d RX queues", adapter
->num_rx_qs
);
1747 adapter
->big_page_size
= (1 << get_order(rx_frag_size
)) * PAGE_SIZE
;
1748 for_all_rx_queues(adapter
, rxo
, i
) {
1749 rxo
->adapter
= adapter
;
1750 rxo
->rx_eq
.max_eqd
= BE_MAX_EQD
;
1751 rxo
->rx_eq
.enable_aic
= true;
1755 rc
= be_queue_alloc(adapter
, eq
, EVNT_Q_LEN
,
1756 sizeof(struct be_eq_entry
));
1760 rc
= be_cmd_eq_create(adapter
, eq
, rxo
->rx_eq
.cur_eqd
);
1764 rxo
->rx_eq
.eq_idx
= adapter
->eq_next_idx
++;
1768 rc
= be_queue_alloc(adapter
, cq
, RX_CQ_LEN
,
1769 sizeof(struct be_eth_rx_compl
));
1773 rc
= be_cmd_cq_create(adapter
, cq
, eq
, false, false, 3);
1777 /* Rx Q - will be created in be_open() */
1779 rc
= be_queue_alloc(adapter
, q
, RX_Q_LEN
,
1780 sizeof(struct be_eth_rx_d
));
1788 be_rx_queues_destroy(adapter
);
1792 static bool event_peek(struct be_eq_obj
*eq_obj
)
1794 struct be_eq_entry
*eqe
= queue_tail_node(&eq_obj
->q
);
1801 static irqreturn_t
be_intx(int irq
, void *dev
)
1803 struct be_adapter
*adapter
= dev
;
1804 struct be_rx_obj
*rxo
;
1805 int isr
, i
, tx
= 0 , rx
= 0;
1807 if (lancer_chip(adapter
)) {
1808 if (event_peek(&adapter
->tx_eq
))
1809 tx
= event_handle(adapter
, &adapter
->tx_eq
, false);
1810 for_all_rx_queues(adapter
, rxo
, i
) {
1811 if (event_peek(&rxo
->rx_eq
))
1812 rx
|= event_handle(adapter
, &rxo
->rx_eq
, true);
1819 isr
= ioread32(adapter
->csr
+ CEV_ISR0_OFFSET
+
1820 (adapter
->tx_eq
.q
.id
/ 8) * CEV_ISR_SIZE
);
1824 if ((1 << adapter
->tx_eq
.eq_idx
& isr
))
1825 event_handle(adapter
, &adapter
->tx_eq
, false);
1827 for_all_rx_queues(adapter
, rxo
, i
) {
1828 if ((1 << rxo
->rx_eq
.eq_idx
& isr
))
1829 event_handle(adapter
, &rxo
->rx_eq
, true);
1836 static irqreturn_t
be_msix_rx(int irq
, void *dev
)
1838 struct be_rx_obj
*rxo
= dev
;
1839 struct be_adapter
*adapter
= rxo
->adapter
;
1841 event_handle(adapter
, &rxo
->rx_eq
, true);
1846 static irqreturn_t
be_msix_tx_mcc(int irq
, void *dev
)
1848 struct be_adapter
*adapter
= dev
;
1850 event_handle(adapter
, &adapter
->tx_eq
, false);
1855 static inline bool do_gro(struct be_rx_compl_info
*rxcp
)
1857 return (rxcp
->tcpf
&& !rxcp
->err
) ? true : false;
1860 static int be_poll_rx(struct napi_struct
*napi
, int budget
)
1862 struct be_eq_obj
*rx_eq
= container_of(napi
, struct be_eq_obj
, napi
);
1863 struct be_rx_obj
*rxo
= container_of(rx_eq
, struct be_rx_obj
, rx_eq
);
1864 struct be_adapter
*adapter
= rxo
->adapter
;
1865 struct be_queue_info
*rx_cq
= &rxo
->cq
;
1866 struct be_rx_compl_info
*rxcp
;
1869 rx_stats(rxo
)->rx_polls
++;
1870 for (work_done
= 0; work_done
< budget
; work_done
++) {
1871 rxcp
= be_rx_compl_get(rxo
);
1875 /* Is it a flush compl that has no data */
1876 if (unlikely(rxcp
->num_rcvd
== 0))
1879 /* Discard compl with partial DMA Lancer B0 */
1880 if (unlikely(!rxcp
->pkt_size
)) {
1881 be_rx_compl_discard(adapter
, rxo
, rxcp
);
1885 /* On BE drop pkts that arrive due to imperfect filtering in
1886 * promiscuous mode on some skews
1888 if (unlikely(rxcp
->port
!= adapter
->port_num
&&
1889 !lancer_chip(adapter
))) {
1890 be_rx_compl_discard(adapter
, rxo
, rxcp
);
1895 be_rx_compl_process_gro(adapter
, rxo
, rxcp
);
1897 be_rx_compl_process(adapter
, rxo
, rxcp
);
1899 be_rx_stats_update(rxo
, rxcp
);
1902 be_cq_notify(adapter
, rx_cq
->id
, false, work_done
);
1904 /* Refill the queue */
1905 if (work_done
&& atomic_read(&rxo
->q
.used
) < RX_FRAGS_REFILL_WM
)
1906 be_post_rx_frags(rxo
, GFP_ATOMIC
);
1909 if (work_done
< budget
) {
1910 napi_complete(napi
);
1912 be_cq_notify(adapter
, rx_cq
->id
, true, 0);
1917 /* As TX and MCC share the same EQ check for both TX and MCC completions.
1918 * For TX/MCC we don't honour budget; consume everything
1920 static int be_poll_tx_mcc(struct napi_struct
*napi
, int budget
)
1922 struct be_eq_obj
*tx_eq
= container_of(napi
, struct be_eq_obj
, napi
);
1923 struct be_adapter
*adapter
=
1924 container_of(tx_eq
, struct be_adapter
, tx_eq
);
1925 struct be_tx_obj
*txo
;
1926 struct be_eth_tx_compl
*txcp
;
1927 int tx_compl
, mcc_compl
, status
= 0;
1931 for_all_tx_queues(adapter
, txo
, i
) {
1934 while ((txcp
= be_tx_compl_get(&txo
->cq
))) {
1935 num_wrbs
+= be_tx_compl_process(adapter
, txo
,
1936 AMAP_GET_BITS(struct amap_eth_tx_compl
,
1941 be_cq_notify(adapter
, txo
->cq
.id
, true, tx_compl
);
1943 atomic_sub(num_wrbs
, &txo
->q
.used
);
1945 /* As Tx wrbs have been freed up, wake up netdev queue
1946 * if it was stopped due to lack of tx wrbs. */
1947 if (__netif_subqueue_stopped(adapter
->netdev
, i
) &&
1948 atomic_read(&txo
->q
.used
) < txo
->q
.len
/ 2) {
1949 netif_wake_subqueue(adapter
->netdev
, i
);
1952 u64_stats_update_begin(&tx_stats(txo
)->sync_compl
);
1953 tx_stats(txo
)->tx_compl
+= tx_compl
;
1954 u64_stats_update_end(&tx_stats(txo
)->sync_compl
);
1958 mcc_compl
= be_process_mcc(adapter
, &status
);
1961 struct be_mcc_obj
*mcc_obj
= &adapter
->mcc_obj
;
1962 be_cq_notify(adapter
, mcc_obj
->cq
.id
, true, mcc_compl
);
1965 napi_complete(napi
);
1967 be_eq_notify(adapter
, tx_eq
->q
.id
, true, false, 0);
1968 adapter
->drv_stats
.tx_events
++;
1972 void be_detect_dump_ue(struct be_adapter
*adapter
)
1974 u32 ue_lo
= 0, ue_hi
= 0, ue_lo_mask
= 0, ue_hi_mask
= 0;
1975 u32 sliport_status
= 0, sliport_err1
= 0, sliport_err2
= 0;
1978 if (adapter
->eeh_err
|| adapter
->ue_detected
)
1981 if (lancer_chip(adapter
)) {
1982 sliport_status
= ioread32(adapter
->db
+ SLIPORT_STATUS_OFFSET
);
1983 if (sliport_status
& SLIPORT_STATUS_ERR_MASK
) {
1984 sliport_err1
= ioread32(adapter
->db
+
1985 SLIPORT_ERROR1_OFFSET
);
1986 sliport_err2
= ioread32(adapter
->db
+
1987 SLIPORT_ERROR2_OFFSET
);
1990 pci_read_config_dword(adapter
->pdev
,
1991 PCICFG_UE_STATUS_LOW
, &ue_lo
);
1992 pci_read_config_dword(adapter
->pdev
,
1993 PCICFG_UE_STATUS_HIGH
, &ue_hi
);
1994 pci_read_config_dword(adapter
->pdev
,
1995 PCICFG_UE_STATUS_LOW_MASK
, &ue_lo_mask
);
1996 pci_read_config_dword(adapter
->pdev
,
1997 PCICFG_UE_STATUS_HI_MASK
, &ue_hi_mask
);
1999 ue_lo
= (ue_lo
& (~ue_lo_mask
));
2000 ue_hi
= (ue_hi
& (~ue_hi_mask
));
2003 if (ue_lo
|| ue_hi
||
2004 sliport_status
& SLIPORT_STATUS_ERR_MASK
) {
2005 adapter
->ue_detected
= true;
2006 adapter
->eeh_err
= true;
2007 dev_err(&adapter
->pdev
->dev
,
2008 "Unrecoverable error in the card\n");
2012 for (i
= 0; ue_lo
; ue_lo
>>= 1, i
++) {
2014 dev_err(&adapter
->pdev
->dev
,
2015 "UE: %s bit set\n", ue_status_low_desc
[i
]);
2019 for (i
= 0; ue_hi
; ue_hi
>>= 1, i
++) {
2021 dev_err(&adapter
->pdev
->dev
,
2022 "UE: %s bit set\n", ue_status_hi_desc
[i
]);
2026 if (sliport_status
& SLIPORT_STATUS_ERR_MASK
) {
2027 dev_err(&adapter
->pdev
->dev
,
2028 "sliport status 0x%x\n", sliport_status
);
2029 dev_err(&adapter
->pdev
->dev
,
2030 "sliport error1 0x%x\n", sliport_err1
);
2031 dev_err(&adapter
->pdev
->dev
,
2032 "sliport error2 0x%x\n", sliport_err2
);
2036 static void be_worker(struct work_struct
*work
)
2038 struct be_adapter
*adapter
=
2039 container_of(work
, struct be_adapter
, work
.work
);
2040 struct be_rx_obj
*rxo
;
2043 be_detect_dump_ue(adapter
);
2045 /* when interrupts are not yet enabled, just reap any pending
2046 * mcc completions */
2047 if (!netif_running(adapter
->netdev
)) {
2048 int mcc_compl
, status
= 0;
2050 mcc_compl
= be_process_mcc(adapter
, &status
);
2053 struct be_mcc_obj
*mcc_obj
= &adapter
->mcc_obj
;
2054 be_cq_notify(adapter
, mcc_obj
->cq
.id
, false, mcc_compl
);
2060 if (!adapter
->stats_cmd_sent
) {
2061 if (lancer_chip(adapter
))
2062 lancer_cmd_get_pport_stats(adapter
,
2063 &adapter
->stats_cmd
);
2065 be_cmd_get_stats(adapter
, &adapter
->stats_cmd
);
2068 for_all_rx_queues(adapter
, rxo
, i
) {
2069 be_rx_eqd_update(adapter
, rxo
);
2071 if (rxo
->rx_post_starved
) {
2072 rxo
->rx_post_starved
= false;
2073 be_post_rx_frags(rxo
, GFP_KERNEL
);
2078 adapter
->work_counter
++;
2079 schedule_delayed_work(&adapter
->work
, msecs_to_jiffies(1000));
2082 static void be_msix_disable(struct be_adapter
*adapter
)
2084 if (msix_enabled(adapter
)) {
2085 pci_disable_msix(adapter
->pdev
);
2086 adapter
->num_msix_vec
= 0;
2090 static void be_msix_enable(struct be_adapter
*adapter
)
2092 #define BE_MIN_MSIX_VECTORS (1 + 1) /* Rx + Tx */
2093 int i
, status
, num_vec
;
2095 num_vec
= be_num_rxqs_want(adapter
) + 1;
2097 for (i
= 0; i
< num_vec
; i
++)
2098 adapter
->msix_entries
[i
].entry
= i
;
2100 status
= pci_enable_msix(adapter
->pdev
, adapter
->msix_entries
, num_vec
);
2103 } else if (status
>= BE_MIN_MSIX_VECTORS
) {
2105 if (pci_enable_msix(adapter
->pdev
, adapter
->msix_entries
,
2111 adapter
->num_msix_vec
= num_vec
;
2115 static int be_sriov_enable(struct be_adapter
*adapter
)
2117 be_check_sriov_fn_type(adapter
);
2118 #ifdef CONFIG_PCI_IOV
2119 if (be_physfn(adapter
) && num_vfs
) {
2123 pos
= pci_find_ext_capability(adapter
->pdev
,
2124 PCI_EXT_CAP_ID_SRIOV
);
2125 pci_read_config_word(adapter
->pdev
,
2126 pos
+ PCI_SRIOV_TOTAL_VF
, &nvfs
);
2128 if (num_vfs
> nvfs
) {
2129 dev_info(&adapter
->pdev
->dev
,
2130 "Device supports %d VFs and not %d\n",
2135 status
= pci_enable_sriov(adapter
->pdev
, num_vfs
);
2136 adapter
->sriov_enabled
= status
? false : true;
2138 if (adapter
->sriov_enabled
) {
2139 adapter
->vf_cfg
= kcalloc(num_vfs
,
2140 sizeof(struct be_vf_cfg
),
2142 if (!adapter
->vf_cfg
)
2150 static void be_sriov_disable(struct be_adapter
*adapter
)
2152 #ifdef CONFIG_PCI_IOV
2153 if (adapter
->sriov_enabled
) {
2154 pci_disable_sriov(adapter
->pdev
);
2155 kfree(adapter
->vf_cfg
);
2156 adapter
->sriov_enabled
= false;
2161 static inline int be_msix_vec_get(struct be_adapter
*adapter
,
2162 struct be_eq_obj
*eq_obj
)
2164 return adapter
->msix_entries
[eq_obj
->eq_idx
].vector
;
2167 static int be_request_irq(struct be_adapter
*adapter
,
2168 struct be_eq_obj
*eq_obj
,
2169 void *handler
, char *desc
, void *context
)
2171 struct net_device
*netdev
= adapter
->netdev
;
2174 sprintf(eq_obj
->desc
, "%s-%s", netdev
->name
, desc
);
2175 vec
= be_msix_vec_get(adapter
, eq_obj
);
2176 return request_irq(vec
, handler
, 0, eq_obj
->desc
, context
);
2179 static void be_free_irq(struct be_adapter
*adapter
, struct be_eq_obj
*eq_obj
,
2182 int vec
= be_msix_vec_get(adapter
, eq_obj
);
2183 free_irq(vec
, context
);
2186 static int be_msix_register(struct be_adapter
*adapter
)
2188 struct be_rx_obj
*rxo
;
2192 status
= be_request_irq(adapter
, &adapter
->tx_eq
, be_msix_tx_mcc
, "tx",
2197 for_all_rx_queues(adapter
, rxo
, i
) {
2198 sprintf(qname
, "rxq%d", i
);
2199 status
= be_request_irq(adapter
, &rxo
->rx_eq
, be_msix_rx
,
2208 be_free_irq(adapter
, &adapter
->tx_eq
, adapter
);
2210 for (i
--, rxo
= &adapter
->rx_obj
[i
]; i
>= 0; i
--, rxo
--)
2211 be_free_irq(adapter
, &rxo
->rx_eq
, rxo
);
2214 dev_warn(&adapter
->pdev
->dev
,
2215 "MSIX Request IRQ failed - err %d\n", status
);
2216 be_msix_disable(adapter
);
2220 static int be_irq_register(struct be_adapter
*adapter
)
2222 struct net_device
*netdev
= adapter
->netdev
;
2225 if (msix_enabled(adapter
)) {
2226 status
= be_msix_register(adapter
);
2229 /* INTx is not supported for VF */
2230 if (!be_physfn(adapter
))
2235 netdev
->irq
= adapter
->pdev
->irq
;
2236 status
= request_irq(netdev
->irq
, be_intx
, IRQF_SHARED
, netdev
->name
,
2239 dev_err(&adapter
->pdev
->dev
,
2240 "INTx request IRQ failed - err %d\n", status
);
2244 adapter
->isr_registered
= true;
2248 static void be_irq_unregister(struct be_adapter
*adapter
)
2250 struct net_device
*netdev
= adapter
->netdev
;
2251 struct be_rx_obj
*rxo
;
2254 if (!adapter
->isr_registered
)
2258 if (!msix_enabled(adapter
)) {
2259 free_irq(netdev
->irq
, adapter
);
2264 be_free_irq(adapter
, &adapter
->tx_eq
, adapter
);
2266 for_all_rx_queues(adapter
, rxo
, i
)
2267 be_free_irq(adapter
, &rxo
->rx_eq
, rxo
);
2270 adapter
->isr_registered
= false;
2273 static void be_rx_queues_clear(struct be_adapter
*adapter
)
2275 struct be_queue_info
*q
;
2276 struct be_rx_obj
*rxo
;
2279 for_all_rx_queues(adapter
, rxo
, i
) {
2282 be_cmd_rxq_destroy(adapter
, q
);
2283 /* After the rxq is invalidated, wait for a grace time
2284 * of 1ms for all dma to end and the flush compl to
2288 be_rx_q_clean(adapter
, rxo
);
2291 /* Clear any residual events */
2294 be_eq_clean(adapter
, &rxo
->rx_eq
);
2298 static int be_close(struct net_device
*netdev
)
2300 struct be_adapter
*adapter
= netdev_priv(netdev
);
2301 struct be_rx_obj
*rxo
;
2302 struct be_tx_obj
*txo
;
2303 struct be_eq_obj
*tx_eq
= &adapter
->tx_eq
;
2306 be_async_mcc_disable(adapter
);
2308 if (!lancer_chip(adapter
))
2309 be_intr_set(adapter
, false);
2311 for_all_rx_queues(adapter
, rxo
, i
)
2312 napi_disable(&rxo
->rx_eq
.napi
);
2314 napi_disable(&tx_eq
->napi
);
2316 if (lancer_chip(adapter
)) {
2317 be_cq_notify(adapter
, adapter
->mcc_obj
.cq
.id
, false, 0);
2318 for_all_rx_queues(adapter
, rxo
, i
)
2319 be_cq_notify(adapter
, rxo
->cq
.id
, false, 0);
2320 for_all_tx_queues(adapter
, txo
, i
)
2321 be_cq_notify(adapter
, txo
->cq
.id
, false, 0);
2324 if (msix_enabled(adapter
)) {
2325 vec
= be_msix_vec_get(adapter
, tx_eq
);
2326 synchronize_irq(vec
);
2328 for_all_rx_queues(adapter
, rxo
, i
) {
2329 vec
= be_msix_vec_get(adapter
, &rxo
->rx_eq
);
2330 synchronize_irq(vec
);
2333 synchronize_irq(netdev
->irq
);
2335 be_irq_unregister(adapter
);
2337 /* Wait for all pending tx completions to arrive so that
2338 * all tx skbs are freed.
2340 for_all_tx_queues(adapter
, txo
, i
)
2341 be_tx_compl_clean(adapter
, txo
);
2343 be_rx_queues_clear(adapter
);
2347 static int be_rx_queues_setup(struct be_adapter
*adapter
)
2349 struct be_rx_obj
*rxo
;
2351 u8 rsstable
[MAX_RSS_QS
];
2353 for_all_rx_queues(adapter
, rxo
, i
) {
2354 rc
= be_cmd_rxq_create(adapter
, &rxo
->q
, rxo
->cq
.id
,
2355 rx_frag_size
, BE_MAX_JUMBO_FRAME_SIZE
,
2357 (i
> 0) ? 1 : 0/* rss enable */, &rxo
->rss_id
);
2362 if (be_multi_rxq(adapter
)) {
2363 for_all_rss_queues(adapter
, rxo
, i
)
2364 rsstable
[i
] = rxo
->rss_id
;
2366 rc
= be_cmd_rss_config(adapter
, rsstable
,
2367 adapter
->num_rx_qs
- 1);
2372 /* First time posting */
2373 for_all_rx_queues(adapter
, rxo
, i
) {
2374 be_post_rx_frags(rxo
, GFP_KERNEL
);
2375 napi_enable(&rxo
->rx_eq
.napi
);
2380 static int be_open(struct net_device
*netdev
)
2382 struct be_adapter
*adapter
= netdev_priv(netdev
);
2383 struct be_eq_obj
*tx_eq
= &adapter
->tx_eq
;
2384 struct be_rx_obj
*rxo
;
2387 status
= be_rx_queues_setup(adapter
);
2391 napi_enable(&tx_eq
->napi
);
2393 be_irq_register(adapter
);
2395 if (!lancer_chip(adapter
))
2396 be_intr_set(adapter
, true);
2398 /* The evt queues are created in unarmed state; arm them */
2399 for_all_rx_queues(adapter
, rxo
, i
) {
2400 be_eq_notify(adapter
, rxo
->rx_eq
.q
.id
, true, false, 0);
2401 be_cq_notify(adapter
, rxo
->cq
.id
, true, 0);
2403 be_eq_notify(adapter
, tx_eq
->q
.id
, true, false, 0);
2405 /* Now that interrupts are on we can process async mcc */
2406 be_async_mcc_enable(adapter
);
2410 be_close(adapter
->netdev
);
2414 static int be_setup_wol(struct be_adapter
*adapter
, bool enable
)
2416 struct be_dma_mem cmd
;
2420 memset(mac
, 0, ETH_ALEN
);
2422 cmd
.size
= sizeof(struct be_cmd_req_acpi_wol_magic_config
);
2423 cmd
.va
= dma_alloc_coherent(&adapter
->pdev
->dev
, cmd
.size
, &cmd
.dma
,
2427 memset(cmd
.va
, 0, cmd
.size
);
2430 status
= pci_write_config_dword(adapter
->pdev
,
2431 PCICFG_PM_CONTROL_OFFSET
, PCICFG_PM_CONTROL_MASK
);
2433 dev_err(&adapter
->pdev
->dev
,
2434 "Could not enable Wake-on-lan\n");
2435 dma_free_coherent(&adapter
->pdev
->dev
, cmd
.size
, cmd
.va
,
2439 status
= be_cmd_enable_magic_wol(adapter
,
2440 adapter
->netdev
->dev_addr
, &cmd
);
2441 pci_enable_wake(adapter
->pdev
, PCI_D3hot
, 1);
2442 pci_enable_wake(adapter
->pdev
, PCI_D3cold
, 1);
2444 status
= be_cmd_enable_magic_wol(adapter
, mac
, &cmd
);
2445 pci_enable_wake(adapter
->pdev
, PCI_D3hot
, 0);
2446 pci_enable_wake(adapter
->pdev
, PCI_D3cold
, 0);
2449 dma_free_coherent(&adapter
->pdev
->dev
, cmd
.size
, cmd
.va
, cmd
.dma
);
2454 * Generate a seed MAC address from the PF MAC Address using jhash.
2455 * MAC Address for VFs are assigned incrementally starting from the seed.
2456 * These addresses are programmed in the ASIC by the PF and the VF driver
2457 * queries for the MAC address during its probe.
2459 static inline int be_vf_eth_addr_config(struct be_adapter
*adapter
)
2465 be_vf_eth_addr_generate(adapter
, mac
);
2467 for (vf
= 0; vf
< num_vfs
; vf
++) {
2468 status
= be_cmd_pmac_add(adapter
, mac
,
2469 adapter
->vf_cfg
[vf
].vf_if_handle
,
2470 &adapter
->vf_cfg
[vf
].vf_pmac_id
,
2473 dev_err(&adapter
->pdev
->dev
,
2474 "Mac address add failed for VF %d\n", vf
);
2476 memcpy(adapter
->vf_cfg
[vf
].vf_mac_addr
, mac
, ETH_ALEN
);
2483 static void be_vf_clear(struct be_adapter
*adapter
)
2487 for (vf
= 0; vf
< num_vfs
; vf
++)
2488 be_cmd_pmac_del(adapter
, adapter
->vf_cfg
[vf
].vf_if_handle
,
2489 adapter
->vf_cfg
[vf
].vf_pmac_id
, vf
+ 1);
2491 for (vf
= 0; vf
< num_vfs
; vf
++)
2492 be_cmd_if_destroy(adapter
, adapter
->vf_cfg
[vf
].vf_if_handle
,
2496 static int be_clear(struct be_adapter
*adapter
)
2498 if (be_physfn(adapter
) && adapter
->sriov_enabled
)
2499 be_vf_clear(adapter
);
2501 be_cmd_if_destroy(adapter
, adapter
->if_handle
, 0);
2503 be_mcc_queues_destroy(adapter
);
2504 be_rx_queues_destroy(adapter
);
2505 be_tx_queues_destroy(adapter
);
2507 /* tell fw we're done with firing cmds */
2508 be_cmd_fw_clean(adapter
);
2512 static void be_vf_setup_init(struct be_adapter
*adapter
)
2516 for (vf
= 0; vf
< num_vfs
; vf
++) {
2517 adapter
->vf_cfg
[vf
].vf_if_handle
= -1;
2518 adapter
->vf_cfg
[vf
].vf_pmac_id
= -1;
2522 static int be_vf_setup(struct be_adapter
*adapter
)
2524 u32 cap_flags
, en_flags
, vf
;
2528 be_vf_setup_init(adapter
);
2530 cap_flags
= en_flags
= BE_IF_FLAGS_UNTAGGED
| BE_IF_FLAGS_BROADCAST
;
2531 for (vf
= 0; vf
< num_vfs
; vf
++) {
2532 status
= be_cmd_if_create(adapter
, cap_flags
, en_flags
, NULL
,
2533 &adapter
->vf_cfg
[vf
].vf_if_handle
,
2539 if (!lancer_chip(adapter
)) {
2540 status
= be_vf_eth_addr_config(adapter
);
2545 for (vf
= 0; vf
< num_vfs
; vf
++) {
2546 status
= be_cmd_link_status_query(adapter
, NULL
, &lnk_speed
,
2550 adapter
->vf_cfg
[vf
].vf_tx_rate
= lnk_speed
* 10;
2557 static void be_setup_init(struct be_adapter
*adapter
)
2559 adapter
->vlan_prio_bmap
= 0xff;
2560 adapter
->link_speed
= -1;
2561 adapter
->if_handle
= -1;
2562 adapter
->be3_native
= false;
2563 adapter
->promiscuous
= false;
2564 adapter
->eq_next_idx
= 0;
2567 static int be_setup(struct be_adapter
*adapter
)
2569 struct net_device
*netdev
= adapter
->netdev
;
2570 u32 cap_flags
, en_flags
;
2574 struct be_tx_obj
*txo
;
2576 be_setup_init(adapter
);
2578 be_cmd_req_native_mode(adapter
);
2580 status
= be_tx_queues_create(adapter
);
2584 status
= be_rx_queues_create(adapter
);
2588 status
= be_mcc_queues_create(adapter
);
2592 memset(mac
, 0, ETH_ALEN
);
2593 status
= be_cmd_mac_addr_query(adapter
, mac
, MAC_ADDRESS_TYPE_NETWORK
,
2594 true /*permanent */, 0);
2597 memcpy(adapter
->netdev
->dev_addr
, mac
, ETH_ALEN
);
2598 memcpy(adapter
->netdev
->perm_addr
, mac
, ETH_ALEN
);
2600 en_flags
= BE_IF_FLAGS_UNTAGGED
| BE_IF_FLAGS_BROADCAST
|
2601 BE_IF_FLAGS_MULTICAST
| BE_IF_FLAGS_PASS_L3L4_ERRORS
;
2602 cap_flags
= en_flags
| BE_IF_FLAGS_MCAST_PROMISCUOUS
|
2603 BE_IF_FLAGS_VLAN_PROMISCUOUS
| BE_IF_FLAGS_PROMISCUOUS
;
2605 if (adapter
->function_caps
& BE_FUNCTION_CAPS_RSS
) {
2606 cap_flags
|= BE_IF_FLAGS_RSS
;
2607 en_flags
|= BE_IF_FLAGS_RSS
;
2609 status
= be_cmd_if_create(adapter
, cap_flags
, en_flags
,
2610 netdev
->dev_addr
, &adapter
->if_handle
,
2611 &adapter
->pmac_id
, 0);
2615 for_all_tx_queues(adapter
, txo
, i
) {
2616 status
= be_cmd_txq_create(adapter
, &txo
->q
, &txo
->cq
);
2621 /* For BEx, the VF's permanent mac queried from card is incorrect.
2622 * Query the mac configued by the PF using if_handle
2624 if (!be_physfn(adapter
) && !lancer_chip(adapter
)) {
2625 status
= be_cmd_mac_addr_query(adapter
, mac
,
2626 MAC_ADDRESS_TYPE_NETWORK
, false, adapter
->if_handle
);
2628 memcpy(adapter
->netdev
->dev_addr
, mac
, ETH_ALEN
);
2629 memcpy(adapter
->netdev
->perm_addr
, mac
, ETH_ALEN
);
2633 be_cmd_get_fw_ver(adapter
, adapter
->fw_ver
, NULL
);
2635 status
= be_vid_config(adapter
, false, 0);
2639 be_set_rx_mode(adapter
->netdev
);
2641 status
= be_cmd_get_flow_control(adapter
, &tx_fc
, &rx_fc
);
2644 if (rx_fc
!= adapter
->rx_fc
|| tx_fc
!= adapter
->tx_fc
) {
2645 status
= be_cmd_set_flow_control(adapter
, adapter
->tx_fc
,
2651 pcie_set_readrq(adapter
->pdev
, 4096);
2653 if (be_physfn(adapter
) && adapter
->sriov_enabled
) {
2654 status
= be_vf_setup(adapter
);
2665 #define FW_FILE_HDR_SIGN "ServerEngines Corp. "
2666 static bool be_flash_redboot(struct be_adapter
*adapter
,
2667 const u8
*p
, u32 img_start
, int image_size
,
2674 crc_offset
= hdr_size
+ img_start
+ image_size
- 4;
2678 status
= be_cmd_get_flash_crc(adapter
, flashed_crc
,
2681 dev_err(&adapter
->pdev
->dev
,
2682 "could not get crc from flash, not flashing redboot\n");
2686 /*update redboot only if crc does not match*/
2687 if (!memcmp(flashed_crc
, p
, 4))
2693 static bool phy_flashing_required(struct be_adapter
*adapter
)
2696 struct be_phy_info phy_info
;
2698 status
= be_cmd_get_phy_info(adapter
, &phy_info
);
2701 if ((phy_info
.phy_type
== TN_8022
) &&
2702 (phy_info
.interface_type
== PHY_TYPE_BASET_10GB
)) {
2708 static int be_flash_data(struct be_adapter
*adapter
,
2709 const struct firmware
*fw
,
2710 struct be_dma_mem
*flash_cmd
, int num_of_images
)
2713 int status
= 0, i
, filehdr_size
= 0;
2714 u32 total_bytes
= 0, flash_op
;
2716 const u8
*p
= fw
->data
;
2717 struct be_cmd_write_flashrom
*req
= flash_cmd
->va
;
2718 const struct flash_comp
*pflashcomp
;
2721 static const struct flash_comp gen3_flash_types
[10] = {
2722 { FLASH_iSCSI_PRIMARY_IMAGE_START_g3
, IMG_TYPE_ISCSI_ACTIVE
,
2723 FLASH_IMAGE_MAX_SIZE_g3
},
2724 { FLASH_REDBOOT_START_g3
, IMG_TYPE_REDBOOT
,
2725 FLASH_REDBOOT_IMAGE_MAX_SIZE_g3
},
2726 { FLASH_iSCSI_BIOS_START_g3
, IMG_TYPE_BIOS
,
2727 FLASH_BIOS_IMAGE_MAX_SIZE_g3
},
2728 { FLASH_PXE_BIOS_START_g3
, IMG_TYPE_PXE_BIOS
,
2729 FLASH_BIOS_IMAGE_MAX_SIZE_g3
},
2730 { FLASH_FCoE_BIOS_START_g3
, IMG_TYPE_FCOE_BIOS
,
2731 FLASH_BIOS_IMAGE_MAX_SIZE_g3
},
2732 { FLASH_iSCSI_BACKUP_IMAGE_START_g3
, IMG_TYPE_ISCSI_BACKUP
,
2733 FLASH_IMAGE_MAX_SIZE_g3
},
2734 { FLASH_FCoE_PRIMARY_IMAGE_START_g3
, IMG_TYPE_FCOE_FW_ACTIVE
,
2735 FLASH_IMAGE_MAX_SIZE_g3
},
2736 { FLASH_FCoE_BACKUP_IMAGE_START_g3
, IMG_TYPE_FCOE_FW_BACKUP
,
2737 FLASH_IMAGE_MAX_SIZE_g3
},
2738 { FLASH_NCSI_START_g3
, IMG_TYPE_NCSI_FW
,
2739 FLASH_NCSI_IMAGE_MAX_SIZE_g3
},
2740 { FLASH_PHY_FW_START_g3
, IMG_TYPE_PHY_FW
,
2741 FLASH_PHY_FW_IMAGE_MAX_SIZE_g3
}
2743 static const struct flash_comp gen2_flash_types
[8] = {
2744 { FLASH_iSCSI_PRIMARY_IMAGE_START_g2
, IMG_TYPE_ISCSI_ACTIVE
,
2745 FLASH_IMAGE_MAX_SIZE_g2
},
2746 { FLASH_REDBOOT_START_g2
, IMG_TYPE_REDBOOT
,
2747 FLASH_REDBOOT_IMAGE_MAX_SIZE_g2
},
2748 { FLASH_iSCSI_BIOS_START_g2
, IMG_TYPE_BIOS
,
2749 FLASH_BIOS_IMAGE_MAX_SIZE_g2
},
2750 { FLASH_PXE_BIOS_START_g2
, IMG_TYPE_PXE_BIOS
,
2751 FLASH_BIOS_IMAGE_MAX_SIZE_g2
},
2752 { FLASH_FCoE_BIOS_START_g2
, IMG_TYPE_FCOE_BIOS
,
2753 FLASH_BIOS_IMAGE_MAX_SIZE_g2
},
2754 { FLASH_iSCSI_BACKUP_IMAGE_START_g2
, IMG_TYPE_ISCSI_BACKUP
,
2755 FLASH_IMAGE_MAX_SIZE_g2
},
2756 { FLASH_FCoE_PRIMARY_IMAGE_START_g2
, IMG_TYPE_FCOE_FW_ACTIVE
,
2757 FLASH_IMAGE_MAX_SIZE_g2
},
2758 { FLASH_FCoE_BACKUP_IMAGE_START_g2
, IMG_TYPE_FCOE_FW_BACKUP
,
2759 FLASH_IMAGE_MAX_SIZE_g2
}
2762 if (adapter
->generation
== BE_GEN3
) {
2763 pflashcomp
= gen3_flash_types
;
2764 filehdr_size
= sizeof(struct flash_file_hdr_g3
);
2765 num_comp
= ARRAY_SIZE(gen3_flash_types
);
2767 pflashcomp
= gen2_flash_types
;
2768 filehdr_size
= sizeof(struct flash_file_hdr_g2
);
2769 num_comp
= ARRAY_SIZE(gen2_flash_types
);
2771 for (i
= 0; i
< num_comp
; i
++) {
2772 if ((pflashcomp
[i
].optype
== IMG_TYPE_NCSI_FW
) &&
2773 memcmp(adapter
->fw_ver
, "3.102.148.0", 11) < 0)
2775 if (pflashcomp
[i
].optype
== IMG_TYPE_PHY_FW
) {
2776 if (!phy_flashing_required(adapter
))
2779 if ((pflashcomp
[i
].optype
== IMG_TYPE_REDBOOT
) &&
2780 (!be_flash_redboot(adapter
, fw
->data
,
2781 pflashcomp
[i
].offset
, pflashcomp
[i
].size
, filehdr_size
+
2782 (num_of_images
* sizeof(struct image_hdr
)))))
2785 p
+= filehdr_size
+ pflashcomp
[i
].offset
2786 + (num_of_images
* sizeof(struct image_hdr
));
2787 if (p
+ pflashcomp
[i
].size
> fw
->data
+ fw
->size
)
2789 total_bytes
= pflashcomp
[i
].size
;
2790 while (total_bytes
) {
2791 if (total_bytes
> 32*1024)
2792 num_bytes
= 32*1024;
2794 num_bytes
= total_bytes
;
2795 total_bytes
-= num_bytes
;
2797 if (pflashcomp
[i
].optype
== IMG_TYPE_PHY_FW
)
2798 flash_op
= FLASHROM_OPER_PHY_FLASH
;
2800 flash_op
= FLASHROM_OPER_FLASH
;
2802 if (pflashcomp
[i
].optype
== IMG_TYPE_PHY_FW
)
2803 flash_op
= FLASHROM_OPER_PHY_SAVE
;
2805 flash_op
= FLASHROM_OPER_SAVE
;
2807 memcpy(req
->params
.data_buf
, p
, num_bytes
);
2809 status
= be_cmd_write_flashrom(adapter
, flash_cmd
,
2810 pflashcomp
[i
].optype
, flash_op
, num_bytes
);
2812 if ((status
== ILLEGAL_IOCTL_REQ
) &&
2813 (pflashcomp
[i
].optype
==
2816 dev_err(&adapter
->pdev
->dev
,
2817 "cmd to write to flash rom failed.\n");
2825 static int get_ufigen_type(struct flash_file_hdr_g2
*fhdr
)
2829 if (fhdr
->build
[0] == '3')
2831 else if (fhdr
->build
[0] == '2')
2837 static int lancer_fw_download(struct be_adapter
*adapter
,
2838 const struct firmware
*fw
)
2840 #define LANCER_FW_DOWNLOAD_CHUNK (32 * 1024)
2841 #define LANCER_FW_DOWNLOAD_LOCATION "/prg"
2842 struct be_dma_mem flash_cmd
;
2843 const u8
*data_ptr
= NULL
;
2844 u8
*dest_image_ptr
= NULL
;
2845 size_t image_size
= 0;
2847 u32 data_written
= 0;
2852 if (!IS_ALIGNED(fw
->size
, sizeof(u32
))) {
2853 dev_err(&adapter
->pdev
->dev
,
2854 "FW Image not properly aligned. "
2855 "Length must be 4 byte aligned.\n");
2857 goto lancer_fw_exit
;
2860 flash_cmd
.size
= sizeof(struct lancer_cmd_req_write_object
)
2861 + LANCER_FW_DOWNLOAD_CHUNK
;
2862 flash_cmd
.va
= dma_alloc_coherent(&adapter
->pdev
->dev
, flash_cmd
.size
,
2863 &flash_cmd
.dma
, GFP_KERNEL
);
2864 if (!flash_cmd
.va
) {
2866 dev_err(&adapter
->pdev
->dev
,
2867 "Memory allocation failure while flashing\n");
2868 goto lancer_fw_exit
;
2871 dest_image_ptr
= flash_cmd
.va
+
2872 sizeof(struct lancer_cmd_req_write_object
);
2873 image_size
= fw
->size
;
2874 data_ptr
= fw
->data
;
2876 while (image_size
) {
2877 chunk_size
= min_t(u32
, image_size
, LANCER_FW_DOWNLOAD_CHUNK
);
2879 /* Copy the image chunk content. */
2880 memcpy(dest_image_ptr
, data_ptr
, chunk_size
);
2882 status
= lancer_cmd_write_object(adapter
, &flash_cmd
,
2883 chunk_size
, offset
, LANCER_FW_DOWNLOAD_LOCATION
,
2884 &data_written
, &add_status
);
2889 offset
+= data_written
;
2890 data_ptr
+= data_written
;
2891 image_size
-= data_written
;
2895 /* Commit the FW written */
2896 status
= lancer_cmd_write_object(adapter
, &flash_cmd
,
2897 0, offset
, LANCER_FW_DOWNLOAD_LOCATION
,
2898 &data_written
, &add_status
);
2901 dma_free_coherent(&adapter
->pdev
->dev
, flash_cmd
.size
, flash_cmd
.va
,
2904 dev_err(&adapter
->pdev
->dev
,
2905 "Firmware load error. "
2906 "Status code: 0x%x Additional Status: 0x%x\n",
2907 status
, add_status
);
2908 goto lancer_fw_exit
;
2911 dev_info(&adapter
->pdev
->dev
, "Firmware flashed successfully\n");
2916 static int be_fw_download(struct be_adapter
*adapter
, const struct firmware
* fw
)
2918 struct flash_file_hdr_g2
*fhdr
;
2919 struct flash_file_hdr_g3
*fhdr3
;
2920 struct image_hdr
*img_hdr_ptr
= NULL
;
2921 struct be_dma_mem flash_cmd
;
2923 int status
= 0, i
= 0, num_imgs
= 0;
2926 fhdr
= (struct flash_file_hdr_g2
*) p
;
2928 flash_cmd
.size
= sizeof(struct be_cmd_write_flashrom
) + 32*1024;
2929 flash_cmd
.va
= dma_alloc_coherent(&adapter
->pdev
->dev
, flash_cmd
.size
,
2930 &flash_cmd
.dma
, GFP_KERNEL
);
2931 if (!flash_cmd
.va
) {
2933 dev_err(&adapter
->pdev
->dev
,
2934 "Memory allocation failure while flashing\n");
2938 if ((adapter
->generation
== BE_GEN3
) &&
2939 (get_ufigen_type(fhdr
) == BE_GEN3
)) {
2940 fhdr3
= (struct flash_file_hdr_g3
*) fw
->data
;
2941 num_imgs
= le32_to_cpu(fhdr3
->num_imgs
);
2942 for (i
= 0; i
< num_imgs
; i
++) {
2943 img_hdr_ptr
= (struct image_hdr
*) (fw
->data
+
2944 (sizeof(struct flash_file_hdr_g3
) +
2945 i
* sizeof(struct image_hdr
)));
2946 if (le32_to_cpu(img_hdr_ptr
->imageid
) == 1)
2947 status
= be_flash_data(adapter
, fw
, &flash_cmd
,
2950 } else if ((adapter
->generation
== BE_GEN2
) &&
2951 (get_ufigen_type(fhdr
) == BE_GEN2
)) {
2952 status
= be_flash_data(adapter
, fw
, &flash_cmd
, 0);
2954 dev_err(&adapter
->pdev
->dev
,
2955 "UFI and Interface are not compatible for flashing\n");
2959 dma_free_coherent(&adapter
->pdev
->dev
, flash_cmd
.size
, flash_cmd
.va
,
2962 dev_err(&adapter
->pdev
->dev
, "Firmware load error\n");
2966 dev_info(&adapter
->pdev
->dev
, "Firmware flashed successfully\n");
2972 int be_load_fw(struct be_adapter
*adapter
, u8
*fw_file
)
2974 const struct firmware
*fw
;
2977 if (!netif_running(adapter
->netdev
)) {
2978 dev_err(&adapter
->pdev
->dev
,
2979 "Firmware load not allowed (interface is down)\n");
2983 status
= request_firmware(&fw
, fw_file
, &adapter
->pdev
->dev
);
2987 dev_info(&adapter
->pdev
->dev
, "Flashing firmware file %s\n", fw_file
);
2989 if (lancer_chip(adapter
))
2990 status
= lancer_fw_download(adapter
, fw
);
2992 status
= be_fw_download(adapter
, fw
);
2995 release_firmware(fw
);
2999 static struct net_device_ops be_netdev_ops
= {
3000 .ndo_open
= be_open
,
3001 .ndo_stop
= be_close
,
3002 .ndo_start_xmit
= be_xmit
,
3003 .ndo_set_rx_mode
= be_set_rx_mode
,
3004 .ndo_set_mac_address
= be_mac_addr_set
,
3005 .ndo_change_mtu
= be_change_mtu
,
3006 .ndo_get_stats64
= be_get_stats64
,
3007 .ndo_validate_addr
= eth_validate_addr
,
3008 .ndo_vlan_rx_add_vid
= be_vlan_add_vid
,
3009 .ndo_vlan_rx_kill_vid
= be_vlan_rem_vid
,
3010 .ndo_set_vf_mac
= be_set_vf_mac
,
3011 .ndo_set_vf_vlan
= be_set_vf_vlan
,
3012 .ndo_set_vf_tx_rate
= be_set_vf_tx_rate
,
3013 .ndo_get_vf_config
= be_get_vf_config
3016 static void be_netdev_init(struct net_device
*netdev
)
3018 struct be_adapter
*adapter
= netdev_priv(netdev
);
3019 struct be_rx_obj
*rxo
;
3022 netdev
->hw_features
|= NETIF_F_SG
| NETIF_F_TSO
| NETIF_F_TSO6
|
3023 NETIF_F_IP_CSUM
| NETIF_F_IPV6_CSUM
| NETIF_F_RXCSUM
|
3025 if (be_multi_rxq(adapter
))
3026 netdev
->hw_features
|= NETIF_F_RXHASH
;
3028 netdev
->features
|= netdev
->hw_features
|
3029 NETIF_F_HW_VLAN_RX
| NETIF_F_HW_VLAN_FILTER
;
3031 netdev
->vlan_features
|= NETIF_F_SG
| NETIF_F_TSO
| NETIF_F_TSO6
|
3032 NETIF_F_IP_CSUM
| NETIF_F_IPV6_CSUM
;
3034 netdev
->flags
|= IFF_MULTICAST
;
3036 netif_set_gso_max_size(netdev
, 65535);
3038 BE_SET_NETDEV_OPS(netdev
, &be_netdev_ops
);
3040 SET_ETHTOOL_OPS(netdev
, &be_ethtool_ops
);
3042 for_all_rx_queues(adapter
, rxo
, i
)
3043 netif_napi_add(netdev
, &rxo
->rx_eq
.napi
, be_poll_rx
,
3046 netif_napi_add(netdev
, &adapter
->tx_eq
.napi
, be_poll_tx_mcc
,
3050 static void be_unmap_pci_bars(struct be_adapter
*adapter
)
3053 iounmap(adapter
->csr
);
3055 iounmap(adapter
->db
);
3058 static int be_map_pci_bars(struct be_adapter
*adapter
)
3063 if (lancer_chip(adapter
)) {
3064 addr
= ioremap_nocache(pci_resource_start(adapter
->pdev
, 0),
3065 pci_resource_len(adapter
->pdev
, 0));
3072 if (be_physfn(adapter
)) {
3073 addr
= ioremap_nocache(pci_resource_start(adapter
->pdev
, 2),
3074 pci_resource_len(adapter
->pdev
, 2));
3077 adapter
->csr
= addr
;
3080 if (adapter
->generation
== BE_GEN2
) {
3083 if (be_physfn(adapter
))
3088 addr
= ioremap_nocache(pci_resource_start(adapter
->pdev
, db_reg
),
3089 pci_resource_len(adapter
->pdev
, db_reg
));
3096 be_unmap_pci_bars(adapter
);
3101 static void be_ctrl_cleanup(struct be_adapter
*adapter
)
3103 struct be_dma_mem
*mem
= &adapter
->mbox_mem_alloced
;
3105 be_unmap_pci_bars(adapter
);
3108 dma_free_coherent(&adapter
->pdev
->dev
, mem
->size
, mem
->va
,
3111 mem
= &adapter
->rx_filter
;
3113 dma_free_coherent(&adapter
->pdev
->dev
, mem
->size
, mem
->va
,
3117 static int be_ctrl_init(struct be_adapter
*adapter
)
3119 struct be_dma_mem
*mbox_mem_alloc
= &adapter
->mbox_mem_alloced
;
3120 struct be_dma_mem
*mbox_mem_align
= &adapter
->mbox_mem
;
3121 struct be_dma_mem
*rx_filter
= &adapter
->rx_filter
;
3124 status
= be_map_pci_bars(adapter
);
3128 mbox_mem_alloc
->size
= sizeof(struct be_mcc_mailbox
) + 16;
3129 mbox_mem_alloc
->va
= dma_alloc_coherent(&adapter
->pdev
->dev
,
3130 mbox_mem_alloc
->size
,
3131 &mbox_mem_alloc
->dma
,
3133 if (!mbox_mem_alloc
->va
) {
3135 goto unmap_pci_bars
;
3137 mbox_mem_align
->size
= sizeof(struct be_mcc_mailbox
);
3138 mbox_mem_align
->va
= PTR_ALIGN(mbox_mem_alloc
->va
, 16);
3139 mbox_mem_align
->dma
= PTR_ALIGN(mbox_mem_alloc
->dma
, 16);
3140 memset(mbox_mem_align
->va
, 0, sizeof(struct be_mcc_mailbox
));
3142 rx_filter
->size
= sizeof(struct be_cmd_req_rx_filter
);
3143 rx_filter
->va
= dma_alloc_coherent(&adapter
->pdev
->dev
, rx_filter
->size
,
3144 &rx_filter
->dma
, GFP_KERNEL
);
3145 if (rx_filter
->va
== NULL
) {
3149 memset(rx_filter
->va
, 0, rx_filter
->size
);
3151 mutex_init(&adapter
->mbox_lock
);
3152 spin_lock_init(&adapter
->mcc_lock
);
3153 spin_lock_init(&adapter
->mcc_cq_lock
);
3155 init_completion(&adapter
->flash_compl
);
3156 pci_save_state(adapter
->pdev
);
3160 dma_free_coherent(&adapter
->pdev
->dev
, mbox_mem_alloc
->size
,
3161 mbox_mem_alloc
->va
, mbox_mem_alloc
->dma
);
3164 be_unmap_pci_bars(adapter
);
3170 static void be_stats_cleanup(struct be_adapter
*adapter
)
3172 struct be_dma_mem
*cmd
= &adapter
->stats_cmd
;
3175 dma_free_coherent(&adapter
->pdev
->dev
, cmd
->size
,
3179 static int be_stats_init(struct be_adapter
*adapter
)
3181 struct be_dma_mem
*cmd
= &adapter
->stats_cmd
;
3183 if (adapter
->generation
== BE_GEN2
) {
3184 cmd
->size
= sizeof(struct be_cmd_req_get_stats_v0
);
3186 if (lancer_chip(adapter
))
3187 cmd
->size
= sizeof(struct lancer_cmd_req_pport_stats
);
3189 cmd
->size
= sizeof(struct be_cmd_req_get_stats_v1
);
3191 cmd
->va
= dma_alloc_coherent(&adapter
->pdev
->dev
, cmd
->size
, &cmd
->dma
,
3193 if (cmd
->va
== NULL
)
3195 memset(cmd
->va
, 0, cmd
->size
);
3199 static void __devexit
be_remove(struct pci_dev
*pdev
)
3201 struct be_adapter
*adapter
= pci_get_drvdata(pdev
);
3206 cancel_delayed_work_sync(&adapter
->work
);
3208 unregister_netdev(adapter
->netdev
);
3212 be_stats_cleanup(adapter
);
3214 be_ctrl_cleanup(adapter
);
3216 be_sriov_disable(adapter
);
3218 be_msix_disable(adapter
);
3220 pci_set_drvdata(pdev
, NULL
);
3221 pci_release_regions(pdev
);
3222 pci_disable_device(pdev
);
3224 free_netdev(adapter
->netdev
);
3227 static int be_get_config(struct be_adapter
*adapter
)
3231 status
= be_cmd_query_fw_cfg(adapter
, &adapter
->port_num
,
3232 &adapter
->function_mode
, &adapter
->function_caps
);
3236 if (adapter
->function_mode
& FLEX10_MODE
)
3237 adapter
->max_vlans
= BE_NUM_VLANS_SUPPORTED
/4;
3239 adapter
->max_vlans
= BE_NUM_VLANS_SUPPORTED
;
3241 status
= be_cmd_get_cntl_attributes(adapter
);
3248 static int be_dev_family_check(struct be_adapter
*adapter
)
3250 struct pci_dev
*pdev
= adapter
->pdev
;
3251 u32 sli_intf
= 0, if_type
;
3253 switch (pdev
->device
) {
3256 adapter
->generation
= BE_GEN2
;
3260 adapter
->generation
= BE_GEN3
;
3264 pci_read_config_dword(pdev
, SLI_INTF_REG_OFFSET
, &sli_intf
);
3265 if_type
= (sli_intf
& SLI_INTF_IF_TYPE_MASK
) >>
3266 SLI_INTF_IF_TYPE_SHIFT
;
3268 if (((sli_intf
& SLI_INTF_VALID_MASK
) != SLI_INTF_VALID
) ||
3270 dev_err(&pdev
->dev
, "SLI_INTF reg val is not valid\n");
3273 adapter
->sli_family
= ((sli_intf
& SLI_INTF_FAMILY_MASK
) >>
3274 SLI_INTF_FAMILY_SHIFT
);
3275 adapter
->generation
= BE_GEN3
;
3278 adapter
->generation
= 0;
3283 static int lancer_wait_ready(struct be_adapter
*adapter
)
3285 #define SLIPORT_READY_TIMEOUT 500
3289 for (i
= 0; i
< SLIPORT_READY_TIMEOUT
; i
++) {
3290 sliport_status
= ioread32(adapter
->db
+ SLIPORT_STATUS_OFFSET
);
3291 if (sliport_status
& SLIPORT_STATUS_RDY_MASK
)
3297 if (i
== SLIPORT_READY_TIMEOUT
)
3303 static int lancer_test_and_set_rdy_state(struct be_adapter
*adapter
)
3306 u32 sliport_status
, err
, reset_needed
;
3307 status
= lancer_wait_ready(adapter
);
3309 sliport_status
= ioread32(adapter
->db
+ SLIPORT_STATUS_OFFSET
);
3310 err
= sliport_status
& SLIPORT_STATUS_ERR_MASK
;
3311 reset_needed
= sliport_status
& SLIPORT_STATUS_RN_MASK
;
3312 if (err
&& reset_needed
) {
3313 iowrite32(SLI_PORT_CONTROL_IP_MASK
,
3314 adapter
->db
+ SLIPORT_CONTROL_OFFSET
);
3316 /* check adapter has corrected the error */
3317 status
= lancer_wait_ready(adapter
);
3318 sliport_status
= ioread32(adapter
->db
+
3319 SLIPORT_STATUS_OFFSET
);
3320 sliport_status
&= (SLIPORT_STATUS_ERR_MASK
|
3321 SLIPORT_STATUS_RN_MASK
);
3322 if (status
|| sliport_status
)
3324 } else if (err
|| reset_needed
) {
3331 static int __devinit
be_probe(struct pci_dev
*pdev
,
3332 const struct pci_device_id
*pdev_id
)
3335 struct be_adapter
*adapter
;
3336 struct net_device
*netdev
;
3338 status
= pci_enable_device(pdev
);
3342 status
= pci_request_regions(pdev
, DRV_NAME
);
3345 pci_set_master(pdev
);
3347 netdev
= alloc_etherdev_mq(sizeof(struct be_adapter
), MAX_TX_QS
);
3348 if (netdev
== NULL
) {
3352 adapter
= netdev_priv(netdev
);
3353 adapter
->pdev
= pdev
;
3354 pci_set_drvdata(pdev
, adapter
);
3356 status
= be_dev_family_check(adapter
);
3360 adapter
->netdev
= netdev
;
3361 SET_NETDEV_DEV(netdev
, &pdev
->dev
);
3363 status
= dma_set_mask(&pdev
->dev
, DMA_BIT_MASK(64));
3365 netdev
->features
|= NETIF_F_HIGHDMA
;
3367 status
= dma_set_mask(&pdev
->dev
, DMA_BIT_MASK(32));
3369 dev_err(&pdev
->dev
, "Could not set PCI DMA Mask\n");
3374 status
= be_sriov_enable(adapter
);
3378 status
= be_ctrl_init(adapter
);
3382 if (lancer_chip(adapter
)) {
3383 status
= lancer_test_and_set_rdy_state(adapter
);
3385 dev_err(&pdev
->dev
, "Adapter in non recoverable error\n");
3390 /* sync up with fw's ready state */
3391 if (be_physfn(adapter
)) {
3392 status
= be_cmd_POST(adapter
);
3397 /* tell fw we're ready to fire cmds */
3398 status
= be_cmd_fw_init(adapter
);
3402 status
= be_cmd_reset_function(adapter
);
3406 status
= be_stats_init(adapter
);
3410 status
= be_get_config(adapter
);
3414 /* The INTR bit may be set in the card when probed by a kdump kernel
3417 if (!lancer_chip(adapter
))
3418 be_intr_set(adapter
, false);
3420 be_msix_enable(adapter
);
3422 INIT_DELAYED_WORK(&adapter
->work
, be_worker
);
3423 adapter
->rx_fc
= adapter
->tx_fc
= true;
3425 status
= be_setup(adapter
);
3429 be_netdev_init(netdev
);
3430 status
= register_netdev(netdev
);
3434 dev_info(&pdev
->dev
, "%s port %d\n", nic_name(pdev
), adapter
->port_num
);
3436 schedule_delayed_work(&adapter
->work
, msecs_to_jiffies(100));
3442 be_msix_disable(adapter
);
3444 be_stats_cleanup(adapter
);
3446 be_ctrl_cleanup(adapter
);
3448 be_sriov_disable(adapter
);
3450 free_netdev(netdev
);
3451 pci_set_drvdata(pdev
, NULL
);
3453 pci_release_regions(pdev
);
3455 pci_disable_device(pdev
);
3457 dev_err(&pdev
->dev
, "%s initialization failed\n", nic_name(pdev
));
3461 static int be_suspend(struct pci_dev
*pdev
, pm_message_t state
)
3463 struct be_adapter
*adapter
= pci_get_drvdata(pdev
);
3464 struct net_device
*netdev
= adapter
->netdev
;
3466 cancel_delayed_work_sync(&adapter
->work
);
3468 be_setup_wol(adapter
, true);
3470 netif_device_detach(netdev
);
3471 if (netif_running(netdev
)) {
3478 be_msix_disable(adapter
);
3479 pci_save_state(pdev
);
3480 pci_disable_device(pdev
);
3481 pci_set_power_state(pdev
, pci_choose_state(pdev
, state
));
3485 static int be_resume(struct pci_dev
*pdev
)
3488 struct be_adapter
*adapter
= pci_get_drvdata(pdev
);
3489 struct net_device
*netdev
= adapter
->netdev
;
3491 netif_device_detach(netdev
);
3493 status
= pci_enable_device(pdev
);
3497 pci_set_power_state(pdev
, 0);
3498 pci_restore_state(pdev
);
3500 be_msix_enable(adapter
);
3501 /* tell fw we're ready to fire cmds */
3502 status
= be_cmd_fw_init(adapter
);
3507 if (netif_running(netdev
)) {
3512 netif_device_attach(netdev
);
3515 be_setup_wol(adapter
, false);
3517 schedule_delayed_work(&adapter
->work
, msecs_to_jiffies(100));
3522 * An FLR will stop BE from DMAing any data.
3524 static void be_shutdown(struct pci_dev
*pdev
)
3526 struct be_adapter
*adapter
= pci_get_drvdata(pdev
);
3531 cancel_delayed_work_sync(&adapter
->work
);
3533 netif_device_detach(adapter
->netdev
);
3536 be_setup_wol(adapter
, true);
3538 be_cmd_reset_function(adapter
);
3540 pci_disable_device(pdev
);
3543 static pci_ers_result_t
be_eeh_err_detected(struct pci_dev
*pdev
,
3544 pci_channel_state_t state
)
3546 struct be_adapter
*adapter
= pci_get_drvdata(pdev
);
3547 struct net_device
*netdev
= adapter
->netdev
;
3549 dev_err(&adapter
->pdev
->dev
, "EEH error detected\n");
3551 adapter
->eeh_err
= true;
3553 netif_device_detach(netdev
);
3555 if (netif_running(netdev
)) {
3562 if (state
== pci_channel_io_perm_failure
)
3563 return PCI_ERS_RESULT_DISCONNECT
;
3565 pci_disable_device(pdev
);
3567 return PCI_ERS_RESULT_NEED_RESET
;
3570 static pci_ers_result_t
be_eeh_reset(struct pci_dev
*pdev
)
3572 struct be_adapter
*adapter
= pci_get_drvdata(pdev
);
3575 dev_info(&adapter
->pdev
->dev
, "EEH reset\n");
3576 adapter
->eeh_err
= false;
3577 adapter
->ue_detected
= false;
3578 adapter
->fw_timeout
= false;
3580 status
= pci_enable_device(pdev
);
3582 return PCI_ERS_RESULT_DISCONNECT
;
3584 pci_set_master(pdev
);
3585 pci_set_power_state(pdev
, 0);
3586 pci_restore_state(pdev
);
3588 /* Check if card is ok and fw is ready */
3589 status
= be_cmd_POST(adapter
);
3591 return PCI_ERS_RESULT_DISCONNECT
;
3593 return PCI_ERS_RESULT_RECOVERED
;
3596 static void be_eeh_resume(struct pci_dev
*pdev
)
3599 struct be_adapter
*adapter
= pci_get_drvdata(pdev
);
3600 struct net_device
*netdev
= adapter
->netdev
;
3602 dev_info(&adapter
->pdev
->dev
, "EEH resume\n");
3604 pci_save_state(pdev
);
3606 /* tell fw we're ready to fire cmds */
3607 status
= be_cmd_fw_init(adapter
);
3611 status
= be_setup(adapter
);
3615 if (netif_running(netdev
)) {
3616 status
= be_open(netdev
);
3620 netif_device_attach(netdev
);
3623 dev_err(&adapter
->pdev
->dev
, "EEH resume failed\n");
3626 static struct pci_error_handlers be_eeh_handlers
= {
3627 .error_detected
= be_eeh_err_detected
,
3628 .slot_reset
= be_eeh_reset
,
3629 .resume
= be_eeh_resume
,
3632 static struct pci_driver be_driver
= {
3634 .id_table
= be_dev_ids
,
3636 .remove
= be_remove
,
3637 .suspend
= be_suspend
,
3638 .resume
= be_resume
,
3639 .shutdown
= be_shutdown
,
3640 .err_handler
= &be_eeh_handlers
3643 static int __init
be_init_module(void)
3645 if (rx_frag_size
!= 8192 && rx_frag_size
!= 4096 &&
3646 rx_frag_size
!= 2048) {
3647 printk(KERN_WARNING DRV_NAME
3648 " : Module param rx_frag_size must be 2048/4096/8192."
3650 rx_frag_size
= 2048;
3653 return pci_register_driver(&be_driver
);
3655 module_init(be_init_module
);
3657 static void __exit
be_exit_module(void)
3659 pci_unregister_driver(&be_driver
);
3661 module_exit(be_exit_module
);