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 unsigned int num_vfs
;
31 module_param(num_vfs
, uint
, S_IRUGO
);
32 MODULE_PARM_DESC(num_vfs
, "Number of PCI VFs to initialize");
34 static ushort rx_frag_size
= 2048;
35 module_param(rx_frag_size
, ushort
, S_IRUGO
);
36 MODULE_PARM_DESC(rx_frag_size
, "Size of a fragment that holds rcvd data.");
38 static DEFINE_PCI_DEVICE_TABLE(be_dev_ids
) = {
39 { PCI_DEVICE(BE_VENDOR_ID
, BE_DEVICE_ID1
) },
40 { PCI_DEVICE(BE_VENDOR_ID
, BE_DEVICE_ID2
) },
41 { PCI_DEVICE(BE_VENDOR_ID
, OC_DEVICE_ID1
) },
42 { PCI_DEVICE(BE_VENDOR_ID
, OC_DEVICE_ID2
) },
43 { PCI_DEVICE(EMULEX_VENDOR_ID
, OC_DEVICE_ID3
)},
44 { PCI_DEVICE(EMULEX_VENDOR_ID
, OC_DEVICE_ID4
)},
45 { PCI_DEVICE(EMULEX_VENDOR_ID
, OC_DEVICE_ID5
)},
48 MODULE_DEVICE_TABLE(pci
, be_dev_ids
);
49 /* UE Status Low CSR */
50 static const char * const ue_status_low_desc
[] = {
84 /* UE Status High CSR */
85 static const char * const ue_status_hi_desc
[] = {
120 /* Is BE in a multi-channel mode */
121 static inline bool be_is_mc(struct be_adapter
*adapter
) {
122 return (adapter
->function_mode
& FLEX10_MODE
||
123 adapter
->function_mode
& VNIC_MODE
||
124 adapter
->function_mode
& UMC_ENABLED
);
127 static void be_queue_free(struct be_adapter
*adapter
, struct be_queue_info
*q
)
129 struct be_dma_mem
*mem
= &q
->dma_mem
;
131 dma_free_coherent(&adapter
->pdev
->dev
, mem
->size
, mem
->va
,
137 static int be_queue_alloc(struct be_adapter
*adapter
, struct be_queue_info
*q
,
138 u16 len
, u16 entry_size
)
140 struct be_dma_mem
*mem
= &q
->dma_mem
;
142 memset(q
, 0, sizeof(*q
));
144 q
->entry_size
= entry_size
;
145 mem
->size
= len
* entry_size
;
146 mem
->va
= dma_alloc_coherent(&adapter
->pdev
->dev
, mem
->size
, &mem
->dma
,
150 memset(mem
->va
, 0, mem
->size
);
154 static void be_intr_set(struct be_adapter
*adapter
, bool enable
)
158 if (adapter
->eeh_error
)
161 pci_read_config_dword(adapter
->pdev
, PCICFG_MEMBAR_CTRL_INT_CTRL_OFFSET
,
163 enabled
= reg
& MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK
;
165 if (!enabled
&& enable
)
166 reg
|= MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK
;
167 else if (enabled
&& !enable
)
168 reg
&= ~MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK
;
172 pci_write_config_dword(adapter
->pdev
,
173 PCICFG_MEMBAR_CTRL_INT_CTRL_OFFSET
, reg
);
176 static void be_rxq_notify(struct be_adapter
*adapter
, u16 qid
, u16 posted
)
179 val
|= qid
& DB_RQ_RING_ID_MASK
;
180 val
|= posted
<< DB_RQ_NUM_POSTED_SHIFT
;
183 iowrite32(val
, adapter
->db
+ DB_RQ_OFFSET
);
186 static void be_txq_notify(struct be_adapter
*adapter
, u16 qid
, u16 posted
)
189 val
|= qid
& DB_TXULP_RING_ID_MASK
;
190 val
|= (posted
& DB_TXULP_NUM_POSTED_MASK
) << DB_TXULP_NUM_POSTED_SHIFT
;
193 iowrite32(val
, adapter
->db
+ DB_TXULP1_OFFSET
);
196 static void be_eq_notify(struct be_adapter
*adapter
, u16 qid
,
197 bool arm
, bool clear_int
, u16 num_popped
)
200 val
|= qid
& DB_EQ_RING_ID_MASK
;
201 val
|= ((qid
& DB_EQ_RING_ID_EXT_MASK
) <<
202 DB_EQ_RING_ID_EXT_MASK_SHIFT
);
204 if (adapter
->eeh_error
)
208 val
|= 1 << DB_EQ_REARM_SHIFT
;
210 val
|= 1 << DB_EQ_CLR_SHIFT
;
211 val
|= 1 << DB_EQ_EVNT_SHIFT
;
212 val
|= num_popped
<< DB_EQ_NUM_POPPED_SHIFT
;
213 iowrite32(val
, adapter
->db
+ DB_EQ_OFFSET
);
216 void be_cq_notify(struct be_adapter
*adapter
, u16 qid
, bool arm
, u16 num_popped
)
219 val
|= qid
& DB_CQ_RING_ID_MASK
;
220 val
|= ((qid
& DB_CQ_RING_ID_EXT_MASK
) <<
221 DB_CQ_RING_ID_EXT_MASK_SHIFT
);
223 if (adapter
->eeh_error
)
227 val
|= 1 << DB_CQ_REARM_SHIFT
;
228 val
|= num_popped
<< DB_CQ_NUM_POPPED_SHIFT
;
229 iowrite32(val
, adapter
->db
+ DB_CQ_OFFSET
);
232 static int be_mac_addr_set(struct net_device
*netdev
, void *p
)
234 struct be_adapter
*adapter
= netdev_priv(netdev
);
235 struct sockaddr
*addr
= p
;
237 u8 current_mac
[ETH_ALEN
];
238 u32 pmac_id
= adapter
->pmac_id
[0];
240 if (!is_valid_ether_addr(addr
->sa_data
))
241 return -EADDRNOTAVAIL
;
243 status
= be_cmd_mac_addr_query(adapter
, current_mac
,
244 MAC_ADDRESS_TYPE_NETWORK
, false,
245 adapter
->if_handle
, 0);
249 if (memcmp(addr
->sa_data
, current_mac
, ETH_ALEN
)) {
250 status
= be_cmd_pmac_add(adapter
, (u8
*)addr
->sa_data
,
251 adapter
->if_handle
, &adapter
->pmac_id
[0], 0);
255 be_cmd_pmac_del(adapter
, adapter
->if_handle
, pmac_id
, 0);
257 memcpy(netdev
->dev_addr
, addr
->sa_data
, netdev
->addr_len
);
260 dev_err(&adapter
->pdev
->dev
, "MAC %pM set Failed\n", addr
->sa_data
);
264 static void populate_be2_stats(struct be_adapter
*adapter
)
266 struct be_hw_stats_v0
*hw_stats
= hw_stats_from_cmd(adapter
);
267 struct be_pmem_stats
*pmem_sts
= &hw_stats
->pmem
;
268 struct be_rxf_stats_v0
*rxf_stats
= &hw_stats
->rxf
;
269 struct be_port_rxf_stats_v0
*port_stats
=
270 &rxf_stats
->port
[adapter
->port_num
];
271 struct be_drv_stats
*drvs
= &adapter
->drv_stats
;
273 be_dws_le_to_cpu(hw_stats
, sizeof(*hw_stats
));
274 drvs
->rx_pause_frames
= port_stats
->rx_pause_frames
;
275 drvs
->rx_crc_errors
= port_stats
->rx_crc_errors
;
276 drvs
->rx_control_frames
= port_stats
->rx_control_frames
;
277 drvs
->rx_in_range_errors
= port_stats
->rx_in_range_errors
;
278 drvs
->rx_frame_too_long
= port_stats
->rx_frame_too_long
;
279 drvs
->rx_dropped_runt
= port_stats
->rx_dropped_runt
;
280 drvs
->rx_ip_checksum_errs
= port_stats
->rx_ip_checksum_errs
;
281 drvs
->rx_tcp_checksum_errs
= port_stats
->rx_tcp_checksum_errs
;
282 drvs
->rx_udp_checksum_errs
= port_stats
->rx_udp_checksum_errs
;
283 drvs
->rxpp_fifo_overflow_drop
= port_stats
->rx_fifo_overflow
;
284 drvs
->rx_dropped_tcp_length
= port_stats
->rx_dropped_tcp_length
;
285 drvs
->rx_dropped_too_small
= port_stats
->rx_dropped_too_small
;
286 drvs
->rx_dropped_too_short
= port_stats
->rx_dropped_too_short
;
287 drvs
->rx_out_range_errors
= port_stats
->rx_out_range_errors
;
288 drvs
->rx_input_fifo_overflow_drop
= port_stats
->rx_input_fifo_overflow
;
289 drvs
->rx_dropped_header_too_small
=
290 port_stats
->rx_dropped_header_too_small
;
291 drvs
->rx_address_mismatch_drops
=
292 port_stats
->rx_address_mismatch_drops
+
293 port_stats
->rx_vlan_mismatch_drops
;
294 drvs
->rx_alignment_symbol_errors
=
295 port_stats
->rx_alignment_symbol_errors
;
297 drvs
->tx_pauseframes
= port_stats
->tx_pauseframes
;
298 drvs
->tx_controlframes
= port_stats
->tx_controlframes
;
300 if (adapter
->port_num
)
301 drvs
->jabber_events
= rxf_stats
->port1_jabber_events
;
303 drvs
->jabber_events
= rxf_stats
->port0_jabber_events
;
304 drvs
->rx_drops_no_pbuf
= rxf_stats
->rx_drops_no_pbuf
;
305 drvs
->rx_drops_no_erx_descr
= rxf_stats
->rx_drops_no_erx_descr
;
306 drvs
->forwarded_packets
= rxf_stats
->forwarded_packets
;
307 drvs
->rx_drops_mtu
= rxf_stats
->rx_drops_mtu
;
308 drvs
->rx_drops_no_tpre_descr
= rxf_stats
->rx_drops_no_tpre_descr
;
309 drvs
->rx_drops_too_many_frags
= rxf_stats
->rx_drops_too_many_frags
;
310 adapter
->drv_stats
.eth_red_drops
= pmem_sts
->eth_red_drops
;
313 static void populate_be3_stats(struct be_adapter
*adapter
)
315 struct be_hw_stats_v1
*hw_stats
= hw_stats_from_cmd(adapter
);
316 struct be_pmem_stats
*pmem_sts
= &hw_stats
->pmem
;
317 struct be_rxf_stats_v1
*rxf_stats
= &hw_stats
->rxf
;
318 struct be_port_rxf_stats_v1
*port_stats
=
319 &rxf_stats
->port
[adapter
->port_num
];
320 struct be_drv_stats
*drvs
= &adapter
->drv_stats
;
322 be_dws_le_to_cpu(hw_stats
, sizeof(*hw_stats
));
323 drvs
->pmem_fifo_overflow_drop
= port_stats
->pmem_fifo_overflow_drop
;
324 drvs
->rx_priority_pause_frames
= port_stats
->rx_priority_pause_frames
;
325 drvs
->rx_pause_frames
= port_stats
->rx_pause_frames
;
326 drvs
->rx_crc_errors
= port_stats
->rx_crc_errors
;
327 drvs
->rx_control_frames
= port_stats
->rx_control_frames
;
328 drvs
->rx_in_range_errors
= port_stats
->rx_in_range_errors
;
329 drvs
->rx_frame_too_long
= port_stats
->rx_frame_too_long
;
330 drvs
->rx_dropped_runt
= port_stats
->rx_dropped_runt
;
331 drvs
->rx_ip_checksum_errs
= port_stats
->rx_ip_checksum_errs
;
332 drvs
->rx_tcp_checksum_errs
= port_stats
->rx_tcp_checksum_errs
;
333 drvs
->rx_udp_checksum_errs
= port_stats
->rx_udp_checksum_errs
;
334 drvs
->rx_dropped_tcp_length
= port_stats
->rx_dropped_tcp_length
;
335 drvs
->rx_dropped_too_small
= port_stats
->rx_dropped_too_small
;
336 drvs
->rx_dropped_too_short
= port_stats
->rx_dropped_too_short
;
337 drvs
->rx_out_range_errors
= port_stats
->rx_out_range_errors
;
338 drvs
->rx_dropped_header_too_small
=
339 port_stats
->rx_dropped_header_too_small
;
340 drvs
->rx_input_fifo_overflow_drop
=
341 port_stats
->rx_input_fifo_overflow_drop
;
342 drvs
->rx_address_mismatch_drops
= port_stats
->rx_address_mismatch_drops
;
343 drvs
->rx_alignment_symbol_errors
=
344 port_stats
->rx_alignment_symbol_errors
;
345 drvs
->rxpp_fifo_overflow_drop
= port_stats
->rxpp_fifo_overflow_drop
;
346 drvs
->tx_pauseframes
= port_stats
->tx_pauseframes
;
347 drvs
->tx_controlframes
= port_stats
->tx_controlframes
;
348 drvs
->jabber_events
= port_stats
->jabber_events
;
349 drvs
->rx_drops_no_pbuf
= rxf_stats
->rx_drops_no_pbuf
;
350 drvs
->rx_drops_no_erx_descr
= rxf_stats
->rx_drops_no_erx_descr
;
351 drvs
->forwarded_packets
= rxf_stats
->forwarded_packets
;
352 drvs
->rx_drops_mtu
= rxf_stats
->rx_drops_mtu
;
353 drvs
->rx_drops_no_tpre_descr
= rxf_stats
->rx_drops_no_tpre_descr
;
354 drvs
->rx_drops_too_many_frags
= rxf_stats
->rx_drops_too_many_frags
;
355 adapter
->drv_stats
.eth_red_drops
= pmem_sts
->eth_red_drops
;
358 static void populate_lancer_stats(struct be_adapter
*adapter
)
361 struct be_drv_stats
*drvs
= &adapter
->drv_stats
;
362 struct lancer_pport_stats
*pport_stats
=
363 pport_stats_from_cmd(adapter
);
365 be_dws_le_to_cpu(pport_stats
, sizeof(*pport_stats
));
366 drvs
->rx_pause_frames
= pport_stats
->rx_pause_frames_lo
;
367 drvs
->rx_crc_errors
= pport_stats
->rx_crc_errors_lo
;
368 drvs
->rx_control_frames
= pport_stats
->rx_control_frames_lo
;
369 drvs
->rx_in_range_errors
= pport_stats
->rx_in_range_errors
;
370 drvs
->rx_frame_too_long
= pport_stats
->rx_frames_too_long_lo
;
371 drvs
->rx_dropped_runt
= pport_stats
->rx_dropped_runt
;
372 drvs
->rx_ip_checksum_errs
= pport_stats
->rx_ip_checksum_errors
;
373 drvs
->rx_tcp_checksum_errs
= pport_stats
->rx_tcp_checksum_errors
;
374 drvs
->rx_udp_checksum_errs
= pport_stats
->rx_udp_checksum_errors
;
375 drvs
->rx_dropped_tcp_length
=
376 pport_stats
->rx_dropped_invalid_tcp_length
;
377 drvs
->rx_dropped_too_small
= pport_stats
->rx_dropped_too_small
;
378 drvs
->rx_dropped_too_short
= pport_stats
->rx_dropped_too_short
;
379 drvs
->rx_out_range_errors
= pport_stats
->rx_out_of_range_errors
;
380 drvs
->rx_dropped_header_too_small
=
381 pport_stats
->rx_dropped_header_too_small
;
382 drvs
->rx_input_fifo_overflow_drop
= pport_stats
->rx_fifo_overflow
;
383 drvs
->rx_address_mismatch_drops
=
384 pport_stats
->rx_address_mismatch_drops
+
385 pport_stats
->rx_vlan_mismatch_drops
;
386 drvs
->rx_alignment_symbol_errors
= pport_stats
->rx_symbol_errors_lo
;
387 drvs
->rxpp_fifo_overflow_drop
= pport_stats
->rx_fifo_overflow
;
388 drvs
->tx_pauseframes
= pport_stats
->tx_pause_frames_lo
;
389 drvs
->tx_controlframes
= pport_stats
->tx_control_frames_lo
;
390 drvs
->jabber_events
= pport_stats
->rx_jabbers
;
391 drvs
->forwarded_packets
= pport_stats
->num_forwards_lo
;
392 drvs
->rx_drops_mtu
= pport_stats
->rx_drops_mtu_lo
;
393 drvs
->rx_drops_too_many_frags
=
394 pport_stats
->rx_drops_too_many_frags_lo
;
397 static void accumulate_16bit_val(u32
*acc
, u16 val
)
399 #define lo(x) (x & 0xFFFF)
400 #define hi(x) (x & 0xFFFF0000)
401 bool wrapped
= val
< lo(*acc
);
402 u32 newacc
= hi(*acc
) + val
;
406 ACCESS_ONCE(*acc
) = newacc
;
409 void be_parse_stats(struct be_adapter
*adapter
)
411 struct be_erx_stats_v1
*erx
= be_erx_stats_from_cmd(adapter
);
412 struct be_rx_obj
*rxo
;
415 if (adapter
->generation
== BE_GEN3
) {
416 if (lancer_chip(adapter
))
417 populate_lancer_stats(adapter
);
419 populate_be3_stats(adapter
);
421 populate_be2_stats(adapter
);
424 if (lancer_chip(adapter
))
427 /* as erx_v1 is longer than v0, ok to use v1 defn for v0 access */
428 for_all_rx_queues(adapter
, rxo
, i
) {
429 /* below erx HW counter can actually wrap around after
430 * 65535. Driver accumulates a 32-bit value
432 accumulate_16bit_val(&rx_stats(rxo
)->rx_drops_no_frags
,
433 (u16
)erx
->rx_drops_no_fragments
[rxo
->q
.id
]);
439 static struct rtnl_link_stats64
*be_get_stats64(struct net_device
*netdev
,
440 struct rtnl_link_stats64
*stats
)
442 struct be_adapter
*adapter
= netdev_priv(netdev
);
443 struct be_drv_stats
*drvs
= &adapter
->drv_stats
;
444 struct be_rx_obj
*rxo
;
445 struct be_tx_obj
*txo
;
450 for_all_rx_queues(adapter
, rxo
, i
) {
451 const struct be_rx_stats
*rx_stats
= rx_stats(rxo
);
453 start
= u64_stats_fetch_begin_bh(&rx_stats
->sync
);
454 pkts
= rx_stats(rxo
)->rx_pkts
;
455 bytes
= rx_stats(rxo
)->rx_bytes
;
456 } while (u64_stats_fetch_retry_bh(&rx_stats
->sync
, start
));
457 stats
->rx_packets
+= pkts
;
458 stats
->rx_bytes
+= bytes
;
459 stats
->multicast
+= rx_stats(rxo
)->rx_mcast_pkts
;
460 stats
->rx_dropped
+= rx_stats(rxo
)->rx_drops_no_skbs
+
461 rx_stats(rxo
)->rx_drops_no_frags
;
464 for_all_tx_queues(adapter
, txo
, i
) {
465 const struct be_tx_stats
*tx_stats
= tx_stats(txo
);
467 start
= u64_stats_fetch_begin_bh(&tx_stats
->sync
);
468 pkts
= tx_stats(txo
)->tx_pkts
;
469 bytes
= tx_stats(txo
)->tx_bytes
;
470 } while (u64_stats_fetch_retry_bh(&tx_stats
->sync
, start
));
471 stats
->tx_packets
+= pkts
;
472 stats
->tx_bytes
+= bytes
;
475 /* bad pkts received */
476 stats
->rx_errors
= drvs
->rx_crc_errors
+
477 drvs
->rx_alignment_symbol_errors
+
478 drvs
->rx_in_range_errors
+
479 drvs
->rx_out_range_errors
+
480 drvs
->rx_frame_too_long
+
481 drvs
->rx_dropped_too_small
+
482 drvs
->rx_dropped_too_short
+
483 drvs
->rx_dropped_header_too_small
+
484 drvs
->rx_dropped_tcp_length
+
485 drvs
->rx_dropped_runt
;
487 /* detailed rx errors */
488 stats
->rx_length_errors
= drvs
->rx_in_range_errors
+
489 drvs
->rx_out_range_errors
+
490 drvs
->rx_frame_too_long
;
492 stats
->rx_crc_errors
= drvs
->rx_crc_errors
;
494 /* frame alignment errors */
495 stats
->rx_frame_errors
= drvs
->rx_alignment_symbol_errors
;
497 /* receiver fifo overrun */
498 /* drops_no_pbuf is no per i/f, it's per BE card */
499 stats
->rx_fifo_errors
= drvs
->rxpp_fifo_overflow_drop
+
500 drvs
->rx_input_fifo_overflow_drop
+
501 drvs
->rx_drops_no_pbuf
;
505 void be_link_status_update(struct be_adapter
*adapter
, u8 link_status
)
507 struct net_device
*netdev
= adapter
->netdev
;
509 if (!(adapter
->flags
& BE_FLAGS_LINK_STATUS_INIT
)) {
510 netif_carrier_off(netdev
);
511 adapter
->flags
|= BE_FLAGS_LINK_STATUS_INIT
;
514 if ((link_status
& LINK_STATUS_MASK
) == LINK_UP
)
515 netif_carrier_on(netdev
);
517 netif_carrier_off(netdev
);
520 static void be_tx_stats_update(struct be_tx_obj
*txo
,
521 u32 wrb_cnt
, u32 copied
, u32 gso_segs
, bool stopped
)
523 struct be_tx_stats
*stats
= tx_stats(txo
);
525 u64_stats_update_begin(&stats
->sync
);
527 stats
->tx_wrbs
+= wrb_cnt
;
528 stats
->tx_bytes
+= copied
;
529 stats
->tx_pkts
+= (gso_segs
? gso_segs
: 1);
532 u64_stats_update_end(&stats
->sync
);
535 /* Determine number of WRB entries needed to xmit data in an skb */
536 static u32
wrb_cnt_for_skb(struct be_adapter
*adapter
, struct sk_buff
*skb
,
539 int cnt
= (skb
->len
> skb
->data_len
);
541 cnt
+= skb_shinfo(skb
)->nr_frags
;
543 /* to account for hdr wrb */
545 if (lancer_chip(adapter
) || !(cnt
& 1)) {
548 /* add a dummy to make it an even num */
552 BUG_ON(cnt
> BE_MAX_TX_FRAG_COUNT
);
556 static inline void wrb_fill(struct be_eth_wrb
*wrb
, u64 addr
, int len
)
558 wrb
->frag_pa_hi
= upper_32_bits(addr
);
559 wrb
->frag_pa_lo
= addr
& 0xFFFFFFFF;
560 wrb
->frag_len
= len
& ETH_WRB_FRAG_LEN_MASK
;
564 static inline u16
be_get_tx_vlan_tag(struct be_adapter
*adapter
,
570 vlan_tag
= vlan_tx_tag_get(skb
);
571 vlan_prio
= (vlan_tag
& VLAN_PRIO_MASK
) >> VLAN_PRIO_SHIFT
;
572 /* If vlan priority provided by OS is NOT in available bmap */
573 if (!(adapter
->vlan_prio_bmap
& (1 << vlan_prio
)))
574 vlan_tag
= (vlan_tag
& ~VLAN_PRIO_MASK
) |
575 adapter
->recommended_prio
;
580 static int be_vlan_tag_chk(struct be_adapter
*adapter
, struct sk_buff
*skb
)
582 return vlan_tx_tag_present(skb
) || adapter
->pvid
;
585 static void wrb_fill_hdr(struct be_adapter
*adapter
, struct be_eth_hdr_wrb
*hdr
,
586 struct sk_buff
*skb
, u32 wrb_cnt
, u32 len
)
590 memset(hdr
, 0, sizeof(*hdr
));
592 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, crc
, hdr
, 1);
594 if (skb_is_gso(skb
)) {
595 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, lso
, hdr
, 1);
596 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, lso_mss
,
597 hdr
, skb_shinfo(skb
)->gso_size
);
598 if (skb_is_gso_v6(skb
) && !lancer_chip(adapter
))
599 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, lso6
, hdr
, 1);
600 if (lancer_chip(adapter
) && adapter
->sli_family
==
601 LANCER_A0_SLI_FAMILY
) {
602 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, ipcs
, hdr
, 1);
604 AMAP_SET_BITS(struct amap_eth_hdr_wrb
,
606 else if (is_udp_pkt(skb
))
607 AMAP_SET_BITS(struct amap_eth_hdr_wrb
,
610 } else if (skb
->ip_summed
== CHECKSUM_PARTIAL
) {
612 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, tcpcs
, hdr
, 1);
613 else if (is_udp_pkt(skb
))
614 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, udpcs
, hdr
, 1);
617 if (vlan_tx_tag_present(skb
)) {
618 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, vlan
, hdr
, 1);
619 vlan_tag
= be_get_tx_vlan_tag(adapter
, skb
);
620 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, vlan_tag
, hdr
, vlan_tag
);
623 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, event
, hdr
, 1);
624 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, complete
, hdr
, 1);
625 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, num_wrb
, hdr
, wrb_cnt
);
626 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, len
, hdr
, len
);
629 static void unmap_tx_frag(struct device
*dev
, struct be_eth_wrb
*wrb
,
634 be_dws_le_to_cpu(wrb
, sizeof(*wrb
));
636 dma
= (u64
)wrb
->frag_pa_hi
<< 32 | (u64
)wrb
->frag_pa_lo
;
639 dma_unmap_single(dev
, dma
, wrb
->frag_len
,
642 dma_unmap_page(dev
, dma
, wrb
->frag_len
, DMA_TO_DEVICE
);
646 static int make_tx_wrbs(struct be_adapter
*adapter
, struct be_queue_info
*txq
,
647 struct sk_buff
*skb
, u32 wrb_cnt
, bool dummy_wrb
)
651 struct device
*dev
= &adapter
->pdev
->dev
;
652 struct sk_buff
*first_skb
= skb
;
653 struct be_eth_wrb
*wrb
;
654 struct be_eth_hdr_wrb
*hdr
;
655 bool map_single
= false;
658 hdr
= queue_head_node(txq
);
660 map_head
= txq
->head
;
662 if (skb
->len
> skb
->data_len
) {
663 int len
= skb_headlen(skb
);
664 busaddr
= dma_map_single(dev
, skb
->data
, len
, DMA_TO_DEVICE
);
665 if (dma_mapping_error(dev
, busaddr
))
668 wrb
= queue_head_node(txq
);
669 wrb_fill(wrb
, busaddr
, len
);
670 be_dws_cpu_to_le(wrb
, sizeof(*wrb
));
675 for (i
= 0; i
< skb_shinfo(skb
)->nr_frags
; i
++) {
676 const struct skb_frag_struct
*frag
=
677 &skb_shinfo(skb
)->frags
[i
];
678 busaddr
= skb_frag_dma_map(dev
, frag
, 0,
679 skb_frag_size(frag
), DMA_TO_DEVICE
);
680 if (dma_mapping_error(dev
, busaddr
))
682 wrb
= queue_head_node(txq
);
683 wrb_fill(wrb
, busaddr
, skb_frag_size(frag
));
684 be_dws_cpu_to_le(wrb
, sizeof(*wrb
));
686 copied
+= skb_frag_size(frag
);
690 wrb
= queue_head_node(txq
);
692 be_dws_cpu_to_le(wrb
, sizeof(*wrb
));
696 wrb_fill_hdr(adapter
, hdr
, first_skb
, wrb_cnt
, copied
);
697 be_dws_cpu_to_le(hdr
, sizeof(*hdr
));
701 txq
->head
= map_head
;
703 wrb
= queue_head_node(txq
);
704 unmap_tx_frag(dev
, wrb
, map_single
);
706 copied
-= wrb
->frag_len
;
712 static struct sk_buff
*be_insert_vlan_in_pkt(struct be_adapter
*adapter
,
717 skb
= skb_share_check(skb
, GFP_ATOMIC
);
721 if (vlan_tx_tag_present(skb
)) {
722 vlan_tag
= be_get_tx_vlan_tag(adapter
, skb
);
723 __vlan_put_tag(skb
, vlan_tag
);
730 static netdev_tx_t
be_xmit(struct sk_buff
*skb
,
731 struct net_device
*netdev
)
733 struct be_adapter
*adapter
= netdev_priv(netdev
);
734 struct be_tx_obj
*txo
= &adapter
->tx_obj
[skb_get_queue_mapping(skb
)];
735 struct be_queue_info
*txq
= &txo
->q
;
736 struct iphdr
*ip
= NULL
;
737 u32 wrb_cnt
= 0, copied
= 0;
738 u32 start
= txq
->head
, eth_hdr_len
;
739 bool dummy_wrb
, stopped
= false;
741 eth_hdr_len
= ntohs(skb
->protocol
) == ETH_P_8021Q
?
742 VLAN_ETH_HLEN
: ETH_HLEN
;
744 /* HW has a bug which considers padding bytes as legal
745 * and modifies the IPv4 hdr's 'tot_len' field
747 if (skb
->len
<= 60 && be_vlan_tag_chk(adapter
, skb
) &&
749 ip
= (struct iphdr
*)ip_hdr(skb
);
750 pskb_trim(skb
, eth_hdr_len
+ ntohs(ip
->tot_len
));
753 /* HW has a bug wherein it will calculate CSUM for VLAN
754 * pkts even though it is disabled.
755 * Manually insert VLAN in pkt.
757 if (skb
->ip_summed
!= CHECKSUM_PARTIAL
&&
758 be_vlan_tag_chk(adapter
, skb
)) {
759 skb
= be_insert_vlan_in_pkt(adapter
, skb
);
764 wrb_cnt
= wrb_cnt_for_skb(adapter
, skb
, &dummy_wrb
);
766 copied
= make_tx_wrbs(adapter
, txq
, skb
, wrb_cnt
, dummy_wrb
);
768 int gso_segs
= skb_shinfo(skb
)->gso_segs
;
770 /* record the sent skb in the sent_skb table */
771 BUG_ON(txo
->sent_skb_list
[start
]);
772 txo
->sent_skb_list
[start
] = skb
;
774 /* Ensure txq has space for the next skb; Else stop the queue
775 * *BEFORE* ringing the tx doorbell, so that we serialze the
776 * tx compls of the current transmit which'll wake up the queue
778 atomic_add(wrb_cnt
, &txq
->used
);
779 if ((BE_MAX_TX_FRAG_COUNT
+ atomic_read(&txq
->used
)) >=
781 netif_stop_subqueue(netdev
, skb_get_queue_mapping(skb
));
785 be_txq_notify(adapter
, txq
->id
, wrb_cnt
);
787 be_tx_stats_update(txo
, wrb_cnt
, copied
, gso_segs
, stopped
);
790 dev_kfree_skb_any(skb
);
796 static int be_change_mtu(struct net_device
*netdev
, int new_mtu
)
798 struct be_adapter
*adapter
= netdev_priv(netdev
);
799 if (new_mtu
< BE_MIN_MTU
||
800 new_mtu
> (BE_MAX_JUMBO_FRAME_SIZE
-
801 (ETH_HLEN
+ ETH_FCS_LEN
))) {
802 dev_info(&adapter
->pdev
->dev
,
803 "MTU must be between %d and %d bytes\n",
805 (BE_MAX_JUMBO_FRAME_SIZE
- (ETH_HLEN
+ ETH_FCS_LEN
)));
808 dev_info(&adapter
->pdev
->dev
, "MTU changed from %d to %d bytes\n",
809 netdev
->mtu
, new_mtu
);
810 netdev
->mtu
= new_mtu
;
815 * A max of 64 (BE_NUM_VLANS_SUPPORTED) vlans can be configured in BE.
816 * If the user configures more, place BE in vlan promiscuous mode.
818 static int be_vid_config(struct be_adapter
*adapter
)
820 u16 vids
[BE_NUM_VLANS_SUPPORTED
];
824 /* No need to further configure vids if in promiscuous mode */
825 if (adapter
->promiscuous
)
828 if (adapter
->vlans_added
> adapter
->max_vlans
)
829 goto set_vlan_promisc
;
831 /* Construct VLAN Table to give to HW */
832 for (i
= 0; i
< VLAN_N_VID
; i
++)
833 if (adapter
->vlan_tag
[i
])
834 vids
[num
++] = cpu_to_le16(i
);
836 status
= be_cmd_vlan_config(adapter
, adapter
->if_handle
,
839 /* Set to VLAN promisc mode as setting VLAN filter failed */
841 dev_info(&adapter
->pdev
->dev
, "Exhausted VLAN HW filters.\n");
842 dev_info(&adapter
->pdev
->dev
, "Disabling HW VLAN filtering.\n");
843 goto set_vlan_promisc
;
849 status
= be_cmd_vlan_config(adapter
, adapter
->if_handle
,
854 static int be_vlan_add_vid(struct net_device
*netdev
, u16 vid
)
856 struct be_adapter
*adapter
= netdev_priv(netdev
);
859 if (!be_physfn(adapter
)) {
864 adapter
->vlan_tag
[vid
] = 1;
865 if (adapter
->vlans_added
<= (adapter
->max_vlans
+ 1))
866 status
= be_vid_config(adapter
);
869 adapter
->vlans_added
++;
871 adapter
->vlan_tag
[vid
] = 0;
876 static int be_vlan_rem_vid(struct net_device
*netdev
, u16 vid
)
878 struct be_adapter
*adapter
= netdev_priv(netdev
);
881 if (!be_physfn(adapter
)) {
886 adapter
->vlan_tag
[vid
] = 0;
887 if (adapter
->vlans_added
<= adapter
->max_vlans
)
888 status
= be_vid_config(adapter
);
891 adapter
->vlans_added
--;
893 adapter
->vlan_tag
[vid
] = 1;
898 static void be_set_rx_mode(struct net_device
*netdev
)
900 struct be_adapter
*adapter
= netdev_priv(netdev
);
903 if (netdev
->flags
& IFF_PROMISC
) {
904 be_cmd_rx_filter(adapter
, IFF_PROMISC
, ON
);
905 adapter
->promiscuous
= true;
909 /* BE was previously in promiscuous mode; disable it */
910 if (adapter
->promiscuous
) {
911 adapter
->promiscuous
= false;
912 be_cmd_rx_filter(adapter
, IFF_PROMISC
, OFF
);
914 if (adapter
->vlans_added
)
915 be_vid_config(adapter
);
918 /* Enable multicast promisc if num configured exceeds what we support */
919 if (netdev
->flags
& IFF_ALLMULTI
||
920 netdev_mc_count(netdev
) > BE_MAX_MC
) {
921 be_cmd_rx_filter(adapter
, IFF_ALLMULTI
, ON
);
925 if (netdev_uc_count(netdev
) != adapter
->uc_macs
) {
926 struct netdev_hw_addr
*ha
;
927 int i
= 1; /* First slot is claimed by the Primary MAC */
929 for (; adapter
->uc_macs
> 0; adapter
->uc_macs
--, i
++) {
930 be_cmd_pmac_del(adapter
, adapter
->if_handle
,
931 adapter
->pmac_id
[i
], 0);
934 if (netdev_uc_count(netdev
) > adapter
->max_pmac_cnt
) {
935 be_cmd_rx_filter(adapter
, IFF_PROMISC
, ON
);
936 adapter
->promiscuous
= true;
940 netdev_for_each_uc_addr(ha
, adapter
->netdev
) {
941 adapter
->uc_macs
++; /* First slot is for Primary MAC */
942 be_cmd_pmac_add(adapter
, (u8
*)ha
->addr
,
944 &adapter
->pmac_id
[adapter
->uc_macs
], 0);
948 status
= be_cmd_rx_filter(adapter
, IFF_MULTICAST
, ON
);
950 /* Set to MCAST promisc mode if setting MULTICAST address fails */
952 dev_info(&adapter
->pdev
->dev
, "Exhausted multicast HW filters.\n");
953 dev_info(&adapter
->pdev
->dev
, "Disabling HW multicast filtering.\n");
954 be_cmd_rx_filter(adapter
, IFF_ALLMULTI
, ON
);
960 static int be_set_vf_mac(struct net_device
*netdev
, int vf
, u8
*mac
)
962 struct be_adapter
*adapter
= netdev_priv(netdev
);
963 struct be_vf_cfg
*vf_cfg
= &adapter
->vf_cfg
[vf
];
966 if (!sriov_enabled(adapter
))
969 if (!is_valid_ether_addr(mac
) || vf
>= adapter
->num_vfs
)
972 if (lancer_chip(adapter
)) {
973 status
= be_cmd_set_mac_list(adapter
, mac
, 1, vf
+ 1);
975 status
= be_cmd_pmac_del(adapter
, vf_cfg
->if_handle
,
976 vf_cfg
->pmac_id
, vf
+ 1);
978 status
= be_cmd_pmac_add(adapter
, mac
, vf_cfg
->if_handle
,
979 &vf_cfg
->pmac_id
, vf
+ 1);
983 dev_err(&adapter
->pdev
->dev
, "MAC %pM set on VF %d Failed\n",
986 memcpy(vf_cfg
->mac_addr
, mac
, ETH_ALEN
);
991 static int be_get_vf_config(struct net_device
*netdev
, int vf
,
992 struct ifla_vf_info
*vi
)
994 struct be_adapter
*adapter
= netdev_priv(netdev
);
995 struct be_vf_cfg
*vf_cfg
= &adapter
->vf_cfg
[vf
];
997 if (!sriov_enabled(adapter
))
1000 if (vf
>= adapter
->num_vfs
)
1004 vi
->tx_rate
= vf_cfg
->tx_rate
;
1005 vi
->vlan
= vf_cfg
->vlan_tag
;
1007 memcpy(&vi
->mac
, vf_cfg
->mac_addr
, ETH_ALEN
);
1012 static int be_set_vf_vlan(struct net_device
*netdev
,
1013 int vf
, u16 vlan
, u8 qos
)
1015 struct be_adapter
*adapter
= netdev_priv(netdev
);
1018 if (!sriov_enabled(adapter
))
1021 if (vf
>= adapter
->num_vfs
|| vlan
> 4095)
1025 if (adapter
->vf_cfg
[vf
].vlan_tag
!= vlan
) {
1026 /* If this is new value, program it. Else skip. */
1027 adapter
->vf_cfg
[vf
].vlan_tag
= vlan
;
1029 status
= be_cmd_set_hsw_config(adapter
, vlan
,
1030 vf
+ 1, adapter
->vf_cfg
[vf
].if_handle
);
1033 /* Reset Transparent Vlan Tagging. */
1034 adapter
->vf_cfg
[vf
].vlan_tag
= 0;
1035 vlan
= adapter
->vf_cfg
[vf
].def_vid
;
1036 status
= be_cmd_set_hsw_config(adapter
, vlan
, vf
+ 1,
1037 adapter
->vf_cfg
[vf
].if_handle
);
1042 dev_info(&adapter
->pdev
->dev
,
1043 "VLAN %d config on VF %d failed\n", vlan
, vf
);
1047 static int be_set_vf_tx_rate(struct net_device
*netdev
,
1050 struct be_adapter
*adapter
= netdev_priv(netdev
);
1053 if (!sriov_enabled(adapter
))
1056 if (vf
>= adapter
->num_vfs
)
1059 if (rate
< 100 || rate
> 10000) {
1060 dev_err(&adapter
->pdev
->dev
,
1061 "tx rate must be between 100 and 10000 Mbps\n");
1065 status
= be_cmd_set_qos(adapter
, rate
/ 10, vf
+ 1);
1068 dev_err(&adapter
->pdev
->dev
,
1069 "tx rate %d on VF %d failed\n", rate
, vf
);
1071 adapter
->vf_cfg
[vf
].tx_rate
= rate
;
1075 static int be_find_vfs(struct be_adapter
*adapter
, int vf_state
)
1077 struct pci_dev
*dev
, *pdev
= adapter
->pdev
;
1078 int vfs
= 0, assigned_vfs
= 0, pos
, vf_fn
;
1081 pos
= pci_find_ext_capability(pdev
, PCI_EXT_CAP_ID_SRIOV
);
1084 pci_read_config_word(pdev
, pos
+ PCI_SRIOV_VF_OFFSET
, &offset
);
1085 pci_read_config_word(pdev
, pos
+ PCI_SRIOV_VF_STRIDE
, &stride
);
1087 dev
= pci_get_device(pdev
->vendor
, PCI_ANY_ID
, NULL
);
1089 vf_fn
= (pdev
->devfn
+ offset
+ stride
* vfs
) & 0xFFFF;
1090 if (dev
->is_virtfn
&& dev
->devfn
== vf_fn
&&
1091 dev
->bus
->number
== pdev
->bus
->number
) {
1093 if (dev
->dev_flags
& PCI_DEV_FLAGS_ASSIGNED
)
1096 dev
= pci_get_device(pdev
->vendor
, PCI_ANY_ID
, dev
);
1098 return (vf_state
== ASSIGNED
) ? assigned_vfs
: vfs
;
1101 static void be_eqd_update(struct be_adapter
*adapter
, struct be_eq_obj
*eqo
)
1103 struct be_rx_stats
*stats
= rx_stats(&adapter
->rx_obj
[eqo
->idx
]);
1104 ulong now
= jiffies
;
1105 ulong delta
= now
- stats
->rx_jiffies
;
1107 unsigned int start
, eqd
;
1109 if (!eqo
->enable_aic
) {
1114 if (eqo
->idx
>= adapter
->num_rx_qs
)
1117 stats
= rx_stats(&adapter
->rx_obj
[eqo
->idx
]);
1119 /* Wrapped around */
1120 if (time_before(now
, stats
->rx_jiffies
)) {
1121 stats
->rx_jiffies
= now
;
1125 /* Update once a second */
1130 start
= u64_stats_fetch_begin_bh(&stats
->sync
);
1131 pkts
= stats
->rx_pkts
;
1132 } while (u64_stats_fetch_retry_bh(&stats
->sync
, start
));
1134 stats
->rx_pps
= (unsigned long)(pkts
- stats
->rx_pkts_prev
) / (delta
/ HZ
);
1135 stats
->rx_pkts_prev
= pkts
;
1136 stats
->rx_jiffies
= now
;
1137 eqd
= (stats
->rx_pps
/ 110000) << 3;
1138 eqd
= min(eqd
, eqo
->max_eqd
);
1139 eqd
= max(eqd
, eqo
->min_eqd
);
1144 if (eqd
!= eqo
->cur_eqd
) {
1145 be_cmd_modify_eqd(adapter
, eqo
->q
.id
, eqd
);
1150 static void be_rx_stats_update(struct be_rx_obj
*rxo
,
1151 struct be_rx_compl_info
*rxcp
)
1153 struct be_rx_stats
*stats
= rx_stats(rxo
);
1155 u64_stats_update_begin(&stats
->sync
);
1157 stats
->rx_bytes
+= rxcp
->pkt_size
;
1159 if (rxcp
->pkt_type
== BE_MULTICAST_PACKET
)
1160 stats
->rx_mcast_pkts
++;
1162 stats
->rx_compl_err
++;
1163 u64_stats_update_end(&stats
->sync
);
1166 static inline bool csum_passed(struct be_rx_compl_info
*rxcp
)
1168 /* L4 checksum is not reliable for non TCP/UDP packets.
1169 * Also ignore ipcksm for ipv6 pkts */
1170 return (rxcp
->tcpf
|| rxcp
->udpf
) && rxcp
->l4_csum
&&
1171 (rxcp
->ip_csum
|| rxcp
->ipv6
);
1174 static struct be_rx_page_info
*get_rx_page_info(struct be_rx_obj
*rxo
,
1177 struct be_adapter
*adapter
= rxo
->adapter
;
1178 struct be_rx_page_info
*rx_page_info
;
1179 struct be_queue_info
*rxq
= &rxo
->q
;
1181 rx_page_info
= &rxo
->page_info_tbl
[frag_idx
];
1182 BUG_ON(!rx_page_info
->page
);
1184 if (rx_page_info
->last_page_user
) {
1185 dma_unmap_page(&adapter
->pdev
->dev
,
1186 dma_unmap_addr(rx_page_info
, bus
),
1187 adapter
->big_page_size
, DMA_FROM_DEVICE
);
1188 rx_page_info
->last_page_user
= false;
1191 atomic_dec(&rxq
->used
);
1192 return rx_page_info
;
1195 /* Throwaway the data in the Rx completion */
1196 static void be_rx_compl_discard(struct be_rx_obj
*rxo
,
1197 struct be_rx_compl_info
*rxcp
)
1199 struct be_queue_info
*rxq
= &rxo
->q
;
1200 struct be_rx_page_info
*page_info
;
1201 u16 i
, num_rcvd
= rxcp
->num_rcvd
;
1203 for (i
= 0; i
< num_rcvd
; i
++) {
1204 page_info
= get_rx_page_info(rxo
, rxcp
->rxq_idx
);
1205 put_page(page_info
->page
);
1206 memset(page_info
, 0, sizeof(*page_info
));
1207 index_inc(&rxcp
->rxq_idx
, rxq
->len
);
1212 * skb_fill_rx_data forms a complete skb for an ether frame
1213 * indicated by rxcp.
1215 static void skb_fill_rx_data(struct be_rx_obj
*rxo
, struct sk_buff
*skb
,
1216 struct be_rx_compl_info
*rxcp
)
1218 struct be_queue_info
*rxq
= &rxo
->q
;
1219 struct be_rx_page_info
*page_info
;
1221 u16 hdr_len
, curr_frag_len
, remaining
;
1224 page_info
= get_rx_page_info(rxo
, rxcp
->rxq_idx
);
1225 start
= page_address(page_info
->page
) + page_info
->page_offset
;
1228 /* Copy data in the first descriptor of this completion */
1229 curr_frag_len
= min(rxcp
->pkt_size
, rx_frag_size
);
1231 skb
->len
= curr_frag_len
;
1232 if (curr_frag_len
<= BE_HDR_LEN
) { /* tiny packet */
1233 memcpy(skb
->data
, start
, curr_frag_len
);
1234 /* Complete packet has now been moved to data */
1235 put_page(page_info
->page
);
1237 skb
->tail
+= curr_frag_len
;
1240 memcpy(skb
->data
, start
, hdr_len
);
1241 skb_shinfo(skb
)->nr_frags
= 1;
1242 skb_frag_set_page(skb
, 0, page_info
->page
);
1243 skb_shinfo(skb
)->frags
[0].page_offset
=
1244 page_info
->page_offset
+ hdr_len
;
1245 skb_frag_size_set(&skb_shinfo(skb
)->frags
[0], curr_frag_len
- hdr_len
);
1246 skb
->data_len
= curr_frag_len
- hdr_len
;
1247 skb
->truesize
+= rx_frag_size
;
1248 skb
->tail
+= hdr_len
;
1250 page_info
->page
= NULL
;
1252 if (rxcp
->pkt_size
<= rx_frag_size
) {
1253 BUG_ON(rxcp
->num_rcvd
!= 1);
1257 /* More frags present for this completion */
1258 index_inc(&rxcp
->rxq_idx
, rxq
->len
);
1259 remaining
= rxcp
->pkt_size
- curr_frag_len
;
1260 for (i
= 1, j
= 0; i
< rxcp
->num_rcvd
; i
++) {
1261 page_info
= get_rx_page_info(rxo
, rxcp
->rxq_idx
);
1262 curr_frag_len
= min(remaining
, rx_frag_size
);
1264 /* Coalesce all frags from the same physical page in one slot */
1265 if (page_info
->page_offset
== 0) {
1268 skb_frag_set_page(skb
, j
, page_info
->page
);
1269 skb_shinfo(skb
)->frags
[j
].page_offset
=
1270 page_info
->page_offset
;
1271 skb_frag_size_set(&skb_shinfo(skb
)->frags
[j
], 0);
1272 skb_shinfo(skb
)->nr_frags
++;
1274 put_page(page_info
->page
);
1277 skb_frag_size_add(&skb_shinfo(skb
)->frags
[j
], curr_frag_len
);
1278 skb
->len
+= curr_frag_len
;
1279 skb
->data_len
+= curr_frag_len
;
1280 skb
->truesize
+= rx_frag_size
;
1281 remaining
-= curr_frag_len
;
1282 index_inc(&rxcp
->rxq_idx
, rxq
->len
);
1283 page_info
->page
= NULL
;
1285 BUG_ON(j
> MAX_SKB_FRAGS
);
1288 /* Process the RX completion indicated by rxcp when GRO is disabled */
1289 static void be_rx_compl_process(struct be_rx_obj
*rxo
,
1290 struct be_rx_compl_info
*rxcp
)
1292 struct be_adapter
*adapter
= rxo
->adapter
;
1293 struct net_device
*netdev
= adapter
->netdev
;
1294 struct sk_buff
*skb
;
1296 skb
= netdev_alloc_skb_ip_align(netdev
, BE_RX_SKB_ALLOC_SIZE
);
1297 if (unlikely(!skb
)) {
1298 rx_stats(rxo
)->rx_drops_no_skbs
++;
1299 be_rx_compl_discard(rxo
, rxcp
);
1303 skb_fill_rx_data(rxo
, skb
, rxcp
);
1305 if (likely((netdev
->features
& NETIF_F_RXCSUM
) && csum_passed(rxcp
)))
1306 skb
->ip_summed
= CHECKSUM_UNNECESSARY
;
1308 skb_checksum_none_assert(skb
);
1310 skb
->protocol
= eth_type_trans(skb
, netdev
);
1311 skb_record_rx_queue(skb
, rxo
- &adapter
->rx_obj
[0]);
1312 if (netdev
->features
& NETIF_F_RXHASH
)
1313 skb
->rxhash
= rxcp
->rss_hash
;
1317 __vlan_hwaccel_put_tag(skb
, rxcp
->vlan_tag
);
1319 netif_receive_skb(skb
);
1322 /* Process the RX completion indicated by rxcp when GRO is enabled */
1323 void be_rx_compl_process_gro(struct be_rx_obj
*rxo
, struct napi_struct
*napi
,
1324 struct be_rx_compl_info
*rxcp
)
1326 struct be_adapter
*adapter
= rxo
->adapter
;
1327 struct be_rx_page_info
*page_info
;
1328 struct sk_buff
*skb
= NULL
;
1329 struct be_queue_info
*rxq
= &rxo
->q
;
1330 u16 remaining
, curr_frag_len
;
1333 skb
= napi_get_frags(napi
);
1335 be_rx_compl_discard(rxo
, rxcp
);
1339 remaining
= rxcp
->pkt_size
;
1340 for (i
= 0, j
= -1; i
< rxcp
->num_rcvd
; i
++) {
1341 page_info
= get_rx_page_info(rxo
, rxcp
->rxq_idx
);
1343 curr_frag_len
= min(remaining
, rx_frag_size
);
1345 /* Coalesce all frags from the same physical page in one slot */
1346 if (i
== 0 || page_info
->page_offset
== 0) {
1347 /* First frag or Fresh page */
1349 skb_frag_set_page(skb
, j
, page_info
->page
);
1350 skb_shinfo(skb
)->frags
[j
].page_offset
=
1351 page_info
->page_offset
;
1352 skb_frag_size_set(&skb_shinfo(skb
)->frags
[j
], 0);
1354 put_page(page_info
->page
);
1356 skb_frag_size_add(&skb_shinfo(skb
)->frags
[j
], curr_frag_len
);
1357 skb
->truesize
+= rx_frag_size
;
1358 remaining
-= curr_frag_len
;
1359 index_inc(&rxcp
->rxq_idx
, rxq
->len
);
1360 memset(page_info
, 0, sizeof(*page_info
));
1362 BUG_ON(j
> MAX_SKB_FRAGS
);
1364 skb_shinfo(skb
)->nr_frags
= j
+ 1;
1365 skb
->len
= rxcp
->pkt_size
;
1366 skb
->data_len
= rxcp
->pkt_size
;
1367 skb
->ip_summed
= CHECKSUM_UNNECESSARY
;
1368 skb_record_rx_queue(skb
, rxo
- &adapter
->rx_obj
[0]);
1369 if (adapter
->netdev
->features
& NETIF_F_RXHASH
)
1370 skb
->rxhash
= rxcp
->rss_hash
;
1373 __vlan_hwaccel_put_tag(skb
, rxcp
->vlan_tag
);
1375 napi_gro_frags(napi
);
1378 static void be_parse_rx_compl_v1(struct be_eth_rx_compl
*compl,
1379 struct be_rx_compl_info
*rxcp
)
1382 AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, pktsize
, compl);
1383 rxcp
->vlanf
= AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, vtp
, compl);
1384 rxcp
->err
= AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, err
, compl);
1385 rxcp
->tcpf
= AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, tcpf
, compl);
1386 rxcp
->udpf
= AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, udpf
, compl);
1388 AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, ipcksm
, compl);
1390 AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, l4_cksm
, compl);
1392 AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, ip_version
, compl);
1394 AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, fragndx
, compl);
1396 AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, numfrags
, compl);
1398 AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, cast_enc
, compl);
1400 AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, rsshash
, compl);
1402 rxcp
->vtm
= AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, vtm
,
1404 rxcp
->vlan_tag
= AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, vlan_tag
,
1407 rxcp
->port
= AMAP_GET_BITS(struct amap_eth_rx_compl_v1
, port
, compl);
1410 static void be_parse_rx_compl_v0(struct be_eth_rx_compl
*compl,
1411 struct be_rx_compl_info
*rxcp
)
1414 AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, pktsize
, compl);
1415 rxcp
->vlanf
= AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, vtp
, compl);
1416 rxcp
->err
= AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, err
, compl);
1417 rxcp
->tcpf
= AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, tcpf
, compl);
1418 rxcp
->udpf
= AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, udpf
, compl);
1420 AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, ipcksm
, compl);
1422 AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, l4_cksm
, compl);
1424 AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, ip_version
, compl);
1426 AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, fragndx
, compl);
1428 AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, numfrags
, compl);
1430 AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, cast_enc
, compl);
1432 AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, rsshash
, compl);
1434 rxcp
->vtm
= AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, vtm
,
1436 rxcp
->vlan_tag
= AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, vlan_tag
,
1439 rxcp
->port
= AMAP_GET_BITS(struct amap_eth_rx_compl_v0
, port
, compl);
1442 static struct be_rx_compl_info
*be_rx_compl_get(struct be_rx_obj
*rxo
)
1444 struct be_eth_rx_compl
*compl = queue_tail_node(&rxo
->cq
);
1445 struct be_rx_compl_info
*rxcp
= &rxo
->rxcp
;
1446 struct be_adapter
*adapter
= rxo
->adapter
;
1448 /* For checking the valid bit it is Ok to use either definition as the
1449 * valid bit is at the same position in both v0 and v1 Rx compl */
1450 if (compl->dw
[offsetof(struct amap_eth_rx_compl_v1
, valid
) / 32] == 0)
1454 be_dws_le_to_cpu(compl, sizeof(*compl));
1456 if (adapter
->be3_native
)
1457 be_parse_rx_compl_v1(compl, rxcp
);
1459 be_parse_rx_compl_v0(compl, rxcp
);
1462 /* vlanf could be wrongly set in some cards.
1463 * ignore if vtm is not set */
1464 if ((adapter
->function_mode
& FLEX10_MODE
) && !rxcp
->vtm
)
1467 if (!lancer_chip(adapter
))
1468 rxcp
->vlan_tag
= swab16(rxcp
->vlan_tag
);
1470 if (adapter
->pvid
== (rxcp
->vlan_tag
& VLAN_VID_MASK
) &&
1471 !adapter
->vlan_tag
[rxcp
->vlan_tag
])
1475 /* As the compl has been parsed, reset it; we wont touch it again */
1476 compl->dw
[offsetof(struct amap_eth_rx_compl_v1
, valid
) / 32] = 0;
1478 queue_tail_inc(&rxo
->cq
);
1482 static inline struct page
*be_alloc_pages(u32 size
, gfp_t gfp
)
1484 u32 order
= get_order(size
);
1488 return alloc_pages(gfp
, order
);
1492 * Allocate a page, split it to fragments of size rx_frag_size and post as
1493 * receive buffers to BE
1495 static void be_post_rx_frags(struct be_rx_obj
*rxo
, gfp_t gfp
)
1497 struct be_adapter
*adapter
= rxo
->adapter
;
1498 struct be_rx_page_info
*page_info
= NULL
, *prev_page_info
= NULL
;
1499 struct be_queue_info
*rxq
= &rxo
->q
;
1500 struct page
*pagep
= NULL
;
1501 struct be_eth_rx_d
*rxd
;
1502 u64 page_dmaaddr
= 0, frag_dmaaddr
;
1503 u32 posted
, page_offset
= 0;
1505 page_info
= &rxo
->page_info_tbl
[rxq
->head
];
1506 for (posted
= 0; posted
< MAX_RX_POST
&& !page_info
->page
; posted
++) {
1508 pagep
= be_alloc_pages(adapter
->big_page_size
, gfp
);
1509 if (unlikely(!pagep
)) {
1510 rx_stats(rxo
)->rx_post_fail
++;
1513 page_dmaaddr
= dma_map_page(&adapter
->pdev
->dev
, pagep
,
1514 0, adapter
->big_page_size
,
1516 page_info
->page_offset
= 0;
1519 page_info
->page_offset
= page_offset
+ rx_frag_size
;
1521 page_offset
= page_info
->page_offset
;
1522 page_info
->page
= pagep
;
1523 dma_unmap_addr_set(page_info
, bus
, page_dmaaddr
);
1524 frag_dmaaddr
= page_dmaaddr
+ page_info
->page_offset
;
1526 rxd
= queue_head_node(rxq
);
1527 rxd
->fragpa_lo
= cpu_to_le32(frag_dmaaddr
& 0xFFFFFFFF);
1528 rxd
->fragpa_hi
= cpu_to_le32(upper_32_bits(frag_dmaaddr
));
1530 /* Any space left in the current big page for another frag? */
1531 if ((page_offset
+ rx_frag_size
+ rx_frag_size
) >
1532 adapter
->big_page_size
) {
1534 page_info
->last_page_user
= true;
1537 prev_page_info
= page_info
;
1538 queue_head_inc(rxq
);
1539 page_info
= &rxo
->page_info_tbl
[rxq
->head
];
1542 prev_page_info
->last_page_user
= true;
1545 atomic_add(posted
, &rxq
->used
);
1546 be_rxq_notify(adapter
, rxq
->id
, posted
);
1547 } else if (atomic_read(&rxq
->used
) == 0) {
1548 /* Let be_worker replenish when memory is available */
1549 rxo
->rx_post_starved
= true;
1553 static struct be_eth_tx_compl
*be_tx_compl_get(struct be_queue_info
*tx_cq
)
1555 struct be_eth_tx_compl
*txcp
= queue_tail_node(tx_cq
);
1557 if (txcp
->dw
[offsetof(struct amap_eth_tx_compl
, valid
) / 32] == 0)
1561 be_dws_le_to_cpu(txcp
, sizeof(*txcp
));
1563 txcp
->dw
[offsetof(struct amap_eth_tx_compl
, valid
) / 32] = 0;
1565 queue_tail_inc(tx_cq
);
1569 static u16
be_tx_compl_process(struct be_adapter
*adapter
,
1570 struct be_tx_obj
*txo
, u16 last_index
)
1572 struct be_queue_info
*txq
= &txo
->q
;
1573 struct be_eth_wrb
*wrb
;
1574 struct sk_buff
**sent_skbs
= txo
->sent_skb_list
;
1575 struct sk_buff
*sent_skb
;
1576 u16 cur_index
, num_wrbs
= 1; /* account for hdr wrb */
1577 bool unmap_skb_hdr
= true;
1579 sent_skb
= sent_skbs
[txq
->tail
];
1581 sent_skbs
[txq
->tail
] = NULL
;
1583 /* skip header wrb */
1584 queue_tail_inc(txq
);
1587 cur_index
= txq
->tail
;
1588 wrb
= queue_tail_node(txq
);
1589 unmap_tx_frag(&adapter
->pdev
->dev
, wrb
,
1590 (unmap_skb_hdr
&& skb_headlen(sent_skb
)));
1591 unmap_skb_hdr
= false;
1594 queue_tail_inc(txq
);
1595 } while (cur_index
!= last_index
);
1597 kfree_skb(sent_skb
);
1601 /* Return the number of events in the event queue */
1602 static inline int events_get(struct be_eq_obj
*eqo
)
1604 struct be_eq_entry
*eqe
;
1608 eqe
= queue_tail_node(&eqo
->q
);
1615 queue_tail_inc(&eqo
->q
);
1621 static int event_handle(struct be_eq_obj
*eqo
)
1624 int num
= events_get(eqo
);
1626 /* Deal with any spurious interrupts that come without events */
1630 if (num
|| msix_enabled(eqo
->adapter
))
1631 be_eq_notify(eqo
->adapter
, eqo
->q
.id
, rearm
, true, num
);
1634 napi_schedule(&eqo
->napi
);
1639 /* Leaves the EQ is disarmed state */
1640 static void be_eq_clean(struct be_eq_obj
*eqo
)
1642 int num
= events_get(eqo
);
1644 be_eq_notify(eqo
->adapter
, eqo
->q
.id
, false, true, num
);
1647 static void be_rx_cq_clean(struct be_rx_obj
*rxo
)
1649 struct be_rx_page_info
*page_info
;
1650 struct be_queue_info
*rxq
= &rxo
->q
;
1651 struct be_queue_info
*rx_cq
= &rxo
->cq
;
1652 struct be_rx_compl_info
*rxcp
;
1655 /* First cleanup pending rx completions */
1656 while ((rxcp
= be_rx_compl_get(rxo
)) != NULL
) {
1657 be_rx_compl_discard(rxo
, rxcp
);
1658 be_cq_notify(rxo
->adapter
, rx_cq
->id
, false, 1);
1661 /* Then free posted rx buffer that were not used */
1662 tail
= (rxq
->head
+ rxq
->len
- atomic_read(&rxq
->used
)) % rxq
->len
;
1663 for (; atomic_read(&rxq
->used
) > 0; index_inc(&tail
, rxq
->len
)) {
1664 page_info
= get_rx_page_info(rxo
, tail
);
1665 put_page(page_info
->page
);
1666 memset(page_info
, 0, sizeof(*page_info
));
1668 BUG_ON(atomic_read(&rxq
->used
));
1669 rxq
->tail
= rxq
->head
= 0;
1672 static void be_tx_compl_clean(struct be_adapter
*adapter
)
1674 struct be_tx_obj
*txo
;
1675 struct be_queue_info
*txq
;
1676 struct be_eth_tx_compl
*txcp
;
1677 u16 end_idx
, cmpl
= 0, timeo
= 0, num_wrbs
= 0;
1678 struct sk_buff
*sent_skb
;
1680 int i
, pending_txqs
;
1682 /* Wait for a max of 200ms for all the tx-completions to arrive. */
1684 pending_txqs
= adapter
->num_tx_qs
;
1686 for_all_tx_queues(adapter
, txo
, i
) {
1688 while ((txcp
= be_tx_compl_get(&txo
->cq
))) {
1690 AMAP_GET_BITS(struct amap_eth_tx_compl
,
1692 num_wrbs
+= be_tx_compl_process(adapter
, txo
,
1697 be_cq_notify(adapter
, txo
->cq
.id
, false, cmpl
);
1698 atomic_sub(num_wrbs
, &txq
->used
);
1702 if (atomic_read(&txq
->used
) == 0)
1706 if (pending_txqs
== 0 || ++timeo
> 200)
1712 for_all_tx_queues(adapter
, txo
, i
) {
1714 if (atomic_read(&txq
->used
))
1715 dev_err(&adapter
->pdev
->dev
, "%d pending tx-compls\n",
1716 atomic_read(&txq
->used
));
1718 /* free posted tx for which compls will never arrive */
1719 while (atomic_read(&txq
->used
)) {
1720 sent_skb
= txo
->sent_skb_list
[txq
->tail
];
1721 end_idx
= txq
->tail
;
1722 num_wrbs
= wrb_cnt_for_skb(adapter
, sent_skb
,
1724 index_adv(&end_idx
, num_wrbs
- 1, txq
->len
);
1725 num_wrbs
= be_tx_compl_process(adapter
, txo
, end_idx
);
1726 atomic_sub(num_wrbs
, &txq
->used
);
1731 static void be_evt_queues_destroy(struct be_adapter
*adapter
)
1733 struct be_eq_obj
*eqo
;
1736 for_all_evt_queues(adapter
, eqo
, i
) {
1737 if (eqo
->q
.created
) {
1739 be_cmd_q_destroy(adapter
, &eqo
->q
, QTYPE_EQ
);
1741 be_queue_free(adapter
, &eqo
->q
);
1745 static int be_evt_queues_create(struct be_adapter
*adapter
)
1747 struct be_queue_info
*eq
;
1748 struct be_eq_obj
*eqo
;
1751 adapter
->num_evt_qs
= num_irqs(adapter
);
1753 for_all_evt_queues(adapter
, eqo
, i
) {
1754 eqo
->adapter
= adapter
;
1755 eqo
->tx_budget
= BE_TX_BUDGET
;
1757 eqo
->max_eqd
= BE_MAX_EQD
;
1758 eqo
->enable_aic
= true;
1761 rc
= be_queue_alloc(adapter
, eq
, EVNT_Q_LEN
,
1762 sizeof(struct be_eq_entry
));
1766 rc
= be_cmd_eq_create(adapter
, eq
, eqo
->cur_eqd
);
1773 static void be_mcc_queues_destroy(struct be_adapter
*adapter
)
1775 struct be_queue_info
*q
;
1777 q
= &adapter
->mcc_obj
.q
;
1779 be_cmd_q_destroy(adapter
, q
, QTYPE_MCCQ
);
1780 be_queue_free(adapter
, q
);
1782 q
= &adapter
->mcc_obj
.cq
;
1784 be_cmd_q_destroy(adapter
, q
, QTYPE_CQ
);
1785 be_queue_free(adapter
, q
);
1788 /* Must be called only after TX qs are created as MCC shares TX EQ */
1789 static int be_mcc_queues_create(struct be_adapter
*adapter
)
1791 struct be_queue_info
*q
, *cq
;
1793 cq
= &adapter
->mcc_obj
.cq
;
1794 if (be_queue_alloc(adapter
, cq
, MCC_CQ_LEN
,
1795 sizeof(struct be_mcc_compl
)))
1798 /* Use the default EQ for MCC completions */
1799 if (be_cmd_cq_create(adapter
, cq
, &mcc_eqo(adapter
)->q
, true, 0))
1802 q
= &adapter
->mcc_obj
.q
;
1803 if (be_queue_alloc(adapter
, q
, MCC_Q_LEN
, sizeof(struct be_mcc_wrb
)))
1804 goto mcc_cq_destroy
;
1806 if (be_cmd_mccq_create(adapter
, q
, cq
))
1812 be_queue_free(adapter
, q
);
1814 be_cmd_q_destroy(adapter
, cq
, QTYPE_CQ
);
1816 be_queue_free(adapter
, cq
);
1821 static void be_tx_queues_destroy(struct be_adapter
*adapter
)
1823 struct be_queue_info
*q
;
1824 struct be_tx_obj
*txo
;
1827 for_all_tx_queues(adapter
, txo
, i
) {
1830 be_cmd_q_destroy(adapter
, q
, QTYPE_TXQ
);
1831 be_queue_free(adapter
, q
);
1835 be_cmd_q_destroy(adapter
, q
, QTYPE_CQ
);
1836 be_queue_free(adapter
, q
);
1840 static int be_num_txqs_want(struct be_adapter
*adapter
)
1842 if (sriov_want(adapter
) || be_is_mc(adapter
) ||
1843 lancer_chip(adapter
) || !be_physfn(adapter
) ||
1844 adapter
->generation
== BE_GEN2
)
1850 static int be_tx_cqs_create(struct be_adapter
*adapter
)
1852 struct be_queue_info
*cq
, *eq
;
1854 struct be_tx_obj
*txo
;
1857 adapter
->num_tx_qs
= be_num_txqs_want(adapter
);
1858 if (adapter
->num_tx_qs
!= MAX_TX_QS
) {
1860 netif_set_real_num_tx_queues(adapter
->netdev
,
1861 adapter
->num_tx_qs
);
1865 for_all_tx_queues(adapter
, txo
, i
) {
1867 status
= be_queue_alloc(adapter
, cq
, TX_CQ_LEN
,
1868 sizeof(struct be_eth_tx_compl
));
1872 /* If num_evt_qs is less than num_tx_qs, then more than
1873 * one txq share an eq
1875 eq
= &adapter
->eq_obj
[i
% adapter
->num_evt_qs
].q
;
1876 status
= be_cmd_cq_create(adapter
, cq
, eq
, false, 3);
1883 static int be_tx_qs_create(struct be_adapter
*adapter
)
1885 struct be_tx_obj
*txo
;
1888 for_all_tx_queues(adapter
, txo
, i
) {
1889 status
= be_queue_alloc(adapter
, &txo
->q
, TX_Q_LEN
,
1890 sizeof(struct be_eth_wrb
));
1894 status
= be_cmd_txq_create(adapter
, &txo
->q
, &txo
->cq
);
1902 static void be_rx_cqs_destroy(struct be_adapter
*adapter
)
1904 struct be_queue_info
*q
;
1905 struct be_rx_obj
*rxo
;
1908 for_all_rx_queues(adapter
, rxo
, i
) {
1911 be_cmd_q_destroy(adapter
, q
, QTYPE_CQ
);
1912 be_queue_free(adapter
, q
);
1916 static int be_rx_cqs_create(struct be_adapter
*adapter
)
1918 struct be_queue_info
*eq
, *cq
;
1919 struct be_rx_obj
*rxo
;
1922 /* We'll create as many RSS rings as there are irqs.
1923 * But when there's only one irq there's no use creating RSS rings
1925 adapter
->num_rx_qs
= (num_irqs(adapter
) > 1) ?
1926 num_irqs(adapter
) + 1 : 1;
1927 if (adapter
->num_rx_qs
!= MAX_RX_QS
) {
1929 netif_set_real_num_rx_queues(adapter
->netdev
,
1930 adapter
->num_rx_qs
);
1934 adapter
->big_page_size
= (1 << get_order(rx_frag_size
)) * PAGE_SIZE
;
1935 for_all_rx_queues(adapter
, rxo
, i
) {
1936 rxo
->adapter
= adapter
;
1938 rc
= be_queue_alloc(adapter
, cq
, RX_CQ_LEN
,
1939 sizeof(struct be_eth_rx_compl
));
1943 eq
= &adapter
->eq_obj
[i
% adapter
->num_evt_qs
].q
;
1944 rc
= be_cmd_cq_create(adapter
, cq
, eq
, false, 3);
1949 if (adapter
->num_rx_qs
!= MAX_RX_QS
)
1950 dev_info(&adapter
->pdev
->dev
,
1951 "Created only %d receive queues\n", adapter
->num_rx_qs
);
1956 static irqreturn_t
be_intx(int irq
, void *dev
)
1958 struct be_adapter
*adapter
= dev
;
1961 /* With INTx only one EQ is used */
1962 num_evts
= event_handle(&adapter
->eq_obj
[0]);
1969 static irqreturn_t
be_msix(int irq
, void *dev
)
1971 struct be_eq_obj
*eqo
= dev
;
1977 static inline bool do_gro(struct be_rx_compl_info
*rxcp
)
1979 return (rxcp
->tcpf
&& !rxcp
->err
) ? true : false;
1982 static int be_process_rx(struct be_rx_obj
*rxo
, struct napi_struct
*napi
,
1985 struct be_adapter
*adapter
= rxo
->adapter
;
1986 struct be_queue_info
*rx_cq
= &rxo
->cq
;
1987 struct be_rx_compl_info
*rxcp
;
1990 for (work_done
= 0; work_done
< budget
; work_done
++) {
1991 rxcp
= be_rx_compl_get(rxo
);
1995 /* Is it a flush compl that has no data */
1996 if (unlikely(rxcp
->num_rcvd
== 0))
1999 /* Discard compl with partial DMA Lancer B0 */
2000 if (unlikely(!rxcp
->pkt_size
)) {
2001 be_rx_compl_discard(rxo
, rxcp
);
2005 /* On BE drop pkts that arrive due to imperfect filtering in
2006 * promiscuous mode on some skews
2008 if (unlikely(rxcp
->port
!= adapter
->port_num
&&
2009 !lancer_chip(adapter
))) {
2010 be_rx_compl_discard(rxo
, rxcp
);
2015 be_rx_compl_process_gro(rxo
, napi
, rxcp
);
2017 be_rx_compl_process(rxo
, rxcp
);
2019 be_rx_stats_update(rxo
, rxcp
);
2023 be_cq_notify(adapter
, rx_cq
->id
, true, work_done
);
2025 if (atomic_read(&rxo
->q
.used
) < RX_FRAGS_REFILL_WM
)
2026 be_post_rx_frags(rxo
, GFP_ATOMIC
);
2032 static bool be_process_tx(struct be_adapter
*adapter
, struct be_tx_obj
*txo
,
2033 int budget
, int idx
)
2035 struct be_eth_tx_compl
*txcp
;
2036 int num_wrbs
= 0, work_done
;
2038 for (work_done
= 0; work_done
< budget
; work_done
++) {
2039 txcp
= be_tx_compl_get(&txo
->cq
);
2042 num_wrbs
+= be_tx_compl_process(adapter
, txo
,
2043 AMAP_GET_BITS(struct amap_eth_tx_compl
,
2048 be_cq_notify(adapter
, txo
->cq
.id
, true, work_done
);
2049 atomic_sub(num_wrbs
, &txo
->q
.used
);
2051 /* As Tx wrbs have been freed up, wake up netdev queue
2052 * if it was stopped due to lack of tx wrbs. */
2053 if (__netif_subqueue_stopped(adapter
->netdev
, idx
) &&
2054 atomic_read(&txo
->q
.used
) < txo
->q
.len
/ 2) {
2055 netif_wake_subqueue(adapter
->netdev
, idx
);
2058 u64_stats_update_begin(&tx_stats(txo
)->sync_compl
);
2059 tx_stats(txo
)->tx_compl
+= work_done
;
2060 u64_stats_update_end(&tx_stats(txo
)->sync_compl
);
2062 return (work_done
< budget
); /* Done */
2065 int be_poll(struct napi_struct
*napi
, int budget
)
2067 struct be_eq_obj
*eqo
= container_of(napi
, struct be_eq_obj
, napi
);
2068 struct be_adapter
*adapter
= eqo
->adapter
;
2069 int max_work
= 0, work
, i
;
2072 /* Process all TXQs serviced by this EQ */
2073 for (i
= eqo
->idx
; i
< adapter
->num_tx_qs
; i
+= adapter
->num_evt_qs
) {
2074 tx_done
= be_process_tx(adapter
, &adapter
->tx_obj
[i
],
2080 /* This loop will iterate twice for EQ0 in which
2081 * completions of the last RXQ (default one) are also processed
2082 * For other EQs the loop iterates only once
2084 for (i
= eqo
->idx
; i
< adapter
->num_rx_qs
; i
+= adapter
->num_evt_qs
) {
2085 work
= be_process_rx(&adapter
->rx_obj
[i
], napi
, budget
);
2086 max_work
= max(work
, max_work
);
2089 if (is_mcc_eqo(eqo
))
2090 be_process_mcc(adapter
);
2092 if (max_work
< budget
) {
2093 napi_complete(napi
);
2094 be_eq_notify(adapter
, eqo
->q
.id
, true, false, 0);
2096 /* As we'll continue in polling mode, count and clear events */
2097 be_eq_notify(adapter
, eqo
->q
.id
, false, false, events_get(eqo
));
2102 void be_detect_error(struct be_adapter
*adapter
)
2104 u32 ue_lo
= 0, ue_hi
= 0, ue_lo_mask
= 0, ue_hi_mask
= 0;
2105 u32 sliport_status
= 0, sliport_err1
= 0, sliport_err2
= 0;
2108 if (be_crit_error(adapter
))
2111 if (lancer_chip(adapter
)) {
2112 sliport_status
= ioread32(adapter
->db
+ SLIPORT_STATUS_OFFSET
);
2113 if (sliport_status
& SLIPORT_STATUS_ERR_MASK
) {
2114 sliport_err1
= ioread32(adapter
->db
+
2115 SLIPORT_ERROR1_OFFSET
);
2116 sliport_err2
= ioread32(adapter
->db
+
2117 SLIPORT_ERROR2_OFFSET
);
2120 pci_read_config_dword(adapter
->pdev
,
2121 PCICFG_UE_STATUS_LOW
, &ue_lo
);
2122 pci_read_config_dword(adapter
->pdev
,
2123 PCICFG_UE_STATUS_HIGH
, &ue_hi
);
2124 pci_read_config_dword(adapter
->pdev
,
2125 PCICFG_UE_STATUS_LOW_MASK
, &ue_lo_mask
);
2126 pci_read_config_dword(adapter
->pdev
,
2127 PCICFG_UE_STATUS_HI_MASK
, &ue_hi_mask
);
2129 ue_lo
= (ue_lo
& ~ue_lo_mask
);
2130 ue_hi
= (ue_hi
& ~ue_hi_mask
);
2133 if (ue_lo
|| ue_hi
||
2134 sliport_status
& SLIPORT_STATUS_ERR_MASK
) {
2135 adapter
->hw_error
= true;
2136 dev_err(&adapter
->pdev
->dev
,
2137 "Error detected in the card\n");
2140 if (sliport_status
& SLIPORT_STATUS_ERR_MASK
) {
2141 dev_err(&adapter
->pdev
->dev
,
2142 "ERR: sliport status 0x%x\n", sliport_status
);
2143 dev_err(&adapter
->pdev
->dev
,
2144 "ERR: sliport error1 0x%x\n", sliport_err1
);
2145 dev_err(&adapter
->pdev
->dev
,
2146 "ERR: sliport error2 0x%x\n", sliport_err2
);
2150 for (i
= 0; ue_lo
; ue_lo
>>= 1, i
++) {
2152 dev_err(&adapter
->pdev
->dev
,
2153 "UE: %s bit set\n", ue_status_low_desc
[i
]);
2158 for (i
= 0; ue_hi
; ue_hi
>>= 1, i
++) {
2160 dev_err(&adapter
->pdev
->dev
,
2161 "UE: %s bit set\n", ue_status_hi_desc
[i
]);
2167 static void be_msix_disable(struct be_adapter
*adapter
)
2169 if (msix_enabled(adapter
)) {
2170 pci_disable_msix(adapter
->pdev
);
2171 adapter
->num_msix_vec
= 0;
2175 static uint
be_num_rss_want(struct be_adapter
*adapter
)
2178 if ((adapter
->function_caps
& BE_FUNCTION_CAPS_RSS
) &&
2179 !sriov_want(adapter
) && be_physfn(adapter
) &&
2180 !be_is_mc(adapter
)) {
2181 num
= (adapter
->be3_native
) ? BE3_MAX_RSS_QS
: BE2_MAX_RSS_QS
;
2182 num
= min_t(u32
, num
, (u32
)netif_get_num_default_rss_queues());
2187 static void be_msix_enable(struct be_adapter
*adapter
)
2189 #define BE_MIN_MSIX_VECTORS 1
2190 int i
, status
, num_vec
, num_roce_vec
= 0;
2192 /* If RSS queues are not used, need a vec for default RX Q */
2193 num_vec
= min(be_num_rss_want(adapter
), num_online_cpus());
2194 if (be_roce_supported(adapter
)) {
2195 num_roce_vec
= min_t(u32
, MAX_ROCE_MSIX_VECTORS
,
2196 (num_online_cpus() + 1));
2197 num_roce_vec
= min(num_roce_vec
, MAX_ROCE_EQS
);
2198 num_vec
+= num_roce_vec
;
2199 num_vec
= min(num_vec
, MAX_MSIX_VECTORS
);
2201 num_vec
= max(num_vec
, BE_MIN_MSIX_VECTORS
);
2203 for (i
= 0; i
< num_vec
; i
++)
2204 adapter
->msix_entries
[i
].entry
= i
;
2206 status
= pci_enable_msix(adapter
->pdev
, adapter
->msix_entries
, num_vec
);
2209 } else if (status
>= BE_MIN_MSIX_VECTORS
) {
2211 if (pci_enable_msix(adapter
->pdev
, adapter
->msix_entries
,
2217 if (be_roce_supported(adapter
)) {
2218 if (num_vec
> num_roce_vec
) {
2219 adapter
->num_msix_vec
= num_vec
- num_roce_vec
;
2220 adapter
->num_msix_roce_vec
=
2221 num_vec
- adapter
->num_msix_vec
;
2223 adapter
->num_msix_vec
= num_vec
;
2224 adapter
->num_msix_roce_vec
= 0;
2227 adapter
->num_msix_vec
= num_vec
;
2231 static inline int be_msix_vec_get(struct be_adapter
*adapter
,
2232 struct be_eq_obj
*eqo
)
2234 return adapter
->msix_entries
[eqo
->idx
].vector
;
2237 static int be_msix_register(struct be_adapter
*adapter
)
2239 struct net_device
*netdev
= adapter
->netdev
;
2240 struct be_eq_obj
*eqo
;
2243 for_all_evt_queues(adapter
, eqo
, i
) {
2244 sprintf(eqo
->desc
, "%s-q%d", netdev
->name
, i
);
2245 vec
= be_msix_vec_get(adapter
, eqo
);
2246 status
= request_irq(vec
, be_msix
, 0, eqo
->desc
, eqo
);
2253 for (i
--, eqo
= &adapter
->eq_obj
[i
]; i
>= 0; i
--, eqo
--)
2254 free_irq(be_msix_vec_get(adapter
, eqo
), eqo
);
2255 dev_warn(&adapter
->pdev
->dev
, "MSIX Request IRQ failed - err %d\n",
2257 be_msix_disable(adapter
);
2261 static int be_irq_register(struct be_adapter
*adapter
)
2263 struct net_device
*netdev
= adapter
->netdev
;
2266 if (msix_enabled(adapter
)) {
2267 status
= be_msix_register(adapter
);
2270 /* INTx is not supported for VF */
2271 if (!be_physfn(adapter
))
2276 netdev
->irq
= adapter
->pdev
->irq
;
2277 status
= request_irq(netdev
->irq
, be_intx
, IRQF_SHARED
, netdev
->name
,
2280 dev_err(&adapter
->pdev
->dev
,
2281 "INTx request IRQ failed - err %d\n", status
);
2285 adapter
->isr_registered
= true;
2289 static void be_irq_unregister(struct be_adapter
*adapter
)
2291 struct net_device
*netdev
= adapter
->netdev
;
2292 struct be_eq_obj
*eqo
;
2295 if (!adapter
->isr_registered
)
2299 if (!msix_enabled(adapter
)) {
2300 free_irq(netdev
->irq
, adapter
);
2305 for_all_evt_queues(adapter
, eqo
, i
)
2306 free_irq(be_msix_vec_get(adapter
, eqo
), eqo
);
2309 adapter
->isr_registered
= false;
2312 static void be_rx_qs_destroy(struct be_adapter
*adapter
)
2314 struct be_queue_info
*q
;
2315 struct be_rx_obj
*rxo
;
2318 for_all_rx_queues(adapter
, rxo
, i
) {
2321 be_cmd_rxq_destroy(adapter
, q
);
2322 /* After the rxq is invalidated, wait for a grace time
2323 * of 1ms for all dma to end and the flush compl to
2327 be_rx_cq_clean(rxo
);
2329 be_queue_free(adapter
, q
);
2333 static int be_close(struct net_device
*netdev
)
2335 struct be_adapter
*adapter
= netdev_priv(netdev
);
2336 struct be_eq_obj
*eqo
;
2339 be_roce_dev_close(adapter
);
2341 be_async_mcc_disable(adapter
);
2343 if (!lancer_chip(adapter
))
2344 be_intr_set(adapter
, false);
2346 for_all_evt_queues(adapter
, eqo
, i
) {
2347 napi_disable(&eqo
->napi
);
2348 if (msix_enabled(adapter
))
2349 synchronize_irq(be_msix_vec_get(adapter
, eqo
));
2351 synchronize_irq(netdev
->irq
);
2355 be_irq_unregister(adapter
);
2357 /* Wait for all pending tx completions to arrive so that
2358 * all tx skbs are freed.
2360 be_tx_compl_clean(adapter
);
2362 be_rx_qs_destroy(adapter
);
2366 static int be_rx_qs_create(struct be_adapter
*adapter
)
2368 struct be_rx_obj
*rxo
;
2372 for_all_rx_queues(adapter
, rxo
, i
) {
2373 rc
= be_queue_alloc(adapter
, &rxo
->q
, RX_Q_LEN
,
2374 sizeof(struct be_eth_rx_d
));
2379 /* The FW would like the default RXQ to be created first */
2380 rxo
= default_rxo(adapter
);
2381 rc
= be_cmd_rxq_create(adapter
, &rxo
->q
, rxo
->cq
.id
, rx_frag_size
,
2382 adapter
->if_handle
, false, &rxo
->rss_id
);
2386 for_all_rss_queues(adapter
, rxo
, i
) {
2387 rc
= be_cmd_rxq_create(adapter
, &rxo
->q
, rxo
->cq
.id
,
2388 rx_frag_size
, adapter
->if_handle
,
2389 true, &rxo
->rss_id
);
2394 if (be_multi_rxq(adapter
)) {
2395 for (j
= 0; j
< 128; j
+= adapter
->num_rx_qs
- 1) {
2396 for_all_rss_queues(adapter
, rxo
, i
) {
2399 rsstable
[j
+ i
] = rxo
->rss_id
;
2402 rc
= be_cmd_rss_config(adapter
, rsstable
, 128);
2407 /* First time posting */
2408 for_all_rx_queues(adapter
, rxo
, i
)
2409 be_post_rx_frags(rxo
, GFP_KERNEL
);
2413 static int be_open(struct net_device
*netdev
)
2415 struct be_adapter
*adapter
= netdev_priv(netdev
);
2416 struct be_eq_obj
*eqo
;
2417 struct be_rx_obj
*rxo
;
2418 struct be_tx_obj
*txo
;
2422 status
= be_rx_qs_create(adapter
);
2426 be_irq_register(adapter
);
2428 if (!lancer_chip(adapter
))
2429 be_intr_set(adapter
, true);
2431 for_all_rx_queues(adapter
, rxo
, i
)
2432 be_cq_notify(adapter
, rxo
->cq
.id
, true, 0);
2434 for_all_tx_queues(adapter
, txo
, i
)
2435 be_cq_notify(adapter
, txo
->cq
.id
, true, 0);
2437 be_async_mcc_enable(adapter
);
2439 for_all_evt_queues(adapter
, eqo
, i
) {
2440 napi_enable(&eqo
->napi
);
2441 be_eq_notify(adapter
, eqo
->q
.id
, true, false, 0);
2444 status
= be_cmd_link_status_query(adapter
, NULL
, NULL
,
2447 be_link_status_update(adapter
, link_status
);
2449 be_roce_dev_open(adapter
);
2452 be_close(adapter
->netdev
);
2456 static int be_setup_wol(struct be_adapter
*adapter
, bool enable
)
2458 struct be_dma_mem cmd
;
2462 memset(mac
, 0, ETH_ALEN
);
2464 cmd
.size
= sizeof(struct be_cmd_req_acpi_wol_magic_config
);
2465 cmd
.va
= dma_alloc_coherent(&adapter
->pdev
->dev
, cmd
.size
, &cmd
.dma
,
2469 memset(cmd
.va
, 0, cmd
.size
);
2472 status
= pci_write_config_dword(adapter
->pdev
,
2473 PCICFG_PM_CONTROL_OFFSET
, PCICFG_PM_CONTROL_MASK
);
2475 dev_err(&adapter
->pdev
->dev
,
2476 "Could not enable Wake-on-lan\n");
2477 dma_free_coherent(&adapter
->pdev
->dev
, cmd
.size
, cmd
.va
,
2481 status
= be_cmd_enable_magic_wol(adapter
,
2482 adapter
->netdev
->dev_addr
, &cmd
);
2483 pci_enable_wake(adapter
->pdev
, PCI_D3hot
, 1);
2484 pci_enable_wake(adapter
->pdev
, PCI_D3cold
, 1);
2486 status
= be_cmd_enable_magic_wol(adapter
, mac
, &cmd
);
2487 pci_enable_wake(adapter
->pdev
, PCI_D3hot
, 0);
2488 pci_enable_wake(adapter
->pdev
, PCI_D3cold
, 0);
2491 dma_free_coherent(&adapter
->pdev
->dev
, cmd
.size
, cmd
.va
, cmd
.dma
);
2496 * Generate a seed MAC address from the PF MAC Address using jhash.
2497 * MAC Address for VFs are assigned incrementally starting from the seed.
2498 * These addresses are programmed in the ASIC by the PF and the VF driver
2499 * queries for the MAC address during its probe.
2501 static inline int be_vf_eth_addr_config(struct be_adapter
*adapter
)
2506 struct be_vf_cfg
*vf_cfg
;
2508 be_vf_eth_addr_generate(adapter
, mac
);
2510 for_all_vfs(adapter
, vf_cfg
, vf
) {
2511 if (lancer_chip(adapter
)) {
2512 status
= be_cmd_set_mac_list(adapter
, mac
, 1, vf
+ 1);
2514 status
= be_cmd_pmac_add(adapter
, mac
,
2516 &vf_cfg
->pmac_id
, vf
+ 1);
2520 dev_err(&adapter
->pdev
->dev
,
2521 "Mac address assignment failed for VF %d\n", vf
);
2523 memcpy(vf_cfg
->mac_addr
, mac
, ETH_ALEN
);
2530 static void be_vf_clear(struct be_adapter
*adapter
)
2532 struct be_vf_cfg
*vf_cfg
;
2535 if (be_find_vfs(adapter
, ASSIGNED
)) {
2536 dev_warn(&adapter
->pdev
->dev
, "VFs are assigned to VMs\n");
2540 for_all_vfs(adapter
, vf_cfg
, vf
) {
2541 if (lancer_chip(adapter
))
2542 be_cmd_set_mac_list(adapter
, NULL
, 0, vf
+ 1);
2544 be_cmd_pmac_del(adapter
, vf_cfg
->if_handle
,
2545 vf_cfg
->pmac_id
, vf
+ 1);
2547 be_cmd_if_destroy(adapter
, vf_cfg
->if_handle
, vf
+ 1);
2549 pci_disable_sriov(adapter
->pdev
);
2551 kfree(adapter
->vf_cfg
);
2552 adapter
->num_vfs
= 0;
2555 static int be_clear(struct be_adapter
*adapter
)
2559 if (adapter
->flags
& BE_FLAGS_WORKER_SCHEDULED
) {
2560 cancel_delayed_work_sync(&adapter
->work
);
2561 adapter
->flags
&= ~BE_FLAGS_WORKER_SCHEDULED
;
2564 if (sriov_enabled(adapter
))
2565 be_vf_clear(adapter
);
2567 for (; adapter
->uc_macs
> 0; adapter
->uc_macs
--, i
++)
2568 be_cmd_pmac_del(adapter
, adapter
->if_handle
,
2569 adapter
->pmac_id
[i
], 0);
2571 be_cmd_if_destroy(adapter
, adapter
->if_handle
, 0);
2573 be_mcc_queues_destroy(adapter
);
2574 be_rx_cqs_destroy(adapter
);
2575 be_tx_queues_destroy(adapter
);
2576 be_evt_queues_destroy(adapter
);
2578 be_msix_disable(adapter
);
2582 static int be_vf_setup_init(struct be_adapter
*adapter
)
2584 struct be_vf_cfg
*vf_cfg
;
2587 adapter
->vf_cfg
= kcalloc(adapter
->num_vfs
, sizeof(*vf_cfg
),
2589 if (!adapter
->vf_cfg
)
2592 for_all_vfs(adapter
, vf_cfg
, vf
) {
2593 vf_cfg
->if_handle
= -1;
2594 vf_cfg
->pmac_id
= -1;
2599 static int be_vf_setup(struct be_adapter
*adapter
)
2601 struct be_vf_cfg
*vf_cfg
;
2602 struct device
*dev
= &adapter
->pdev
->dev
;
2603 u32 cap_flags
, en_flags
, vf
;
2604 u16 def_vlan
, lnk_speed
;
2605 int status
, enabled_vfs
;
2607 enabled_vfs
= be_find_vfs(adapter
, ENABLED
);
2609 dev_warn(dev
, "%d VFs are already enabled\n", enabled_vfs
);
2610 dev_warn(dev
, "Ignoring num_vfs=%d setting\n", num_vfs
);
2614 if (num_vfs
> adapter
->dev_num_vfs
) {
2615 dev_warn(dev
, "Device supports %d VFs and not %d\n",
2616 adapter
->dev_num_vfs
, num_vfs
);
2617 num_vfs
= adapter
->dev_num_vfs
;
2620 status
= pci_enable_sriov(adapter
->pdev
, num_vfs
);
2622 adapter
->num_vfs
= num_vfs
;
2624 /* Platform doesn't support SRIOV though device supports it */
2625 dev_warn(dev
, "SRIOV enable failed\n");
2629 status
= be_vf_setup_init(adapter
);
2633 cap_flags
= en_flags
= BE_IF_FLAGS_UNTAGGED
| BE_IF_FLAGS_BROADCAST
|
2634 BE_IF_FLAGS_MULTICAST
;
2635 for_all_vfs(adapter
, vf_cfg
, vf
) {
2636 status
= be_cmd_if_create(adapter
, cap_flags
, en_flags
,
2637 &vf_cfg
->if_handle
, vf
+ 1);
2643 status
= be_vf_eth_addr_config(adapter
);
2648 for_all_vfs(adapter
, vf_cfg
, vf
) {
2649 status
= be_cmd_link_status_query(adapter
, NULL
, &lnk_speed
,
2653 vf_cfg
->tx_rate
= lnk_speed
* 10;
2655 status
= be_cmd_get_hsw_config(adapter
, &def_vlan
,
2656 vf
+ 1, vf_cfg
->if_handle
);
2659 vf_cfg
->def_vid
= def_vlan
;
2666 static void be_setup_init(struct be_adapter
*adapter
)
2668 adapter
->vlan_prio_bmap
= 0xff;
2669 adapter
->phy
.link_speed
= -1;
2670 adapter
->if_handle
= -1;
2671 adapter
->be3_native
= false;
2672 adapter
->promiscuous
= false;
2673 adapter
->eq_next_idx
= 0;
2674 adapter
->phy
.forced_port_speed
= -1;
2677 static int be_get_mac_addr(struct be_adapter
*adapter
, u8
*mac
, u32 if_handle
,
2678 bool *active_mac
, u32
*pmac_id
)
2682 if (!is_zero_ether_addr(adapter
->netdev
->perm_addr
)) {
2683 memcpy(mac
, adapter
->netdev
->dev_addr
, ETH_ALEN
);
2684 if (!lancer_chip(adapter
) && !be_physfn(adapter
))
2687 *active_mac
= false;
2692 if (lancer_chip(adapter
)) {
2693 status
= be_cmd_get_mac_from_list(adapter
, mac
,
2694 active_mac
, pmac_id
, 0);
2696 status
= be_cmd_mac_addr_query(adapter
, mac
,
2697 MAC_ADDRESS_TYPE_NETWORK
,
2701 } else if (be_physfn(adapter
)) {
2702 /* For BE3, for PF get permanent MAC */
2703 status
= be_cmd_mac_addr_query(adapter
, mac
,
2704 MAC_ADDRESS_TYPE_NETWORK
, true,
2706 *active_mac
= false;
2708 /* For BE3, for VF get soft MAC assigned by PF*/
2709 status
= be_cmd_mac_addr_query(adapter
, mac
,
2710 MAC_ADDRESS_TYPE_NETWORK
, false,
2717 /* Routine to query per function resource limits */
2718 static int be_get_config(struct be_adapter
*adapter
)
2723 pos
= pci_find_ext_capability(adapter
->pdev
, PCI_EXT_CAP_ID_SRIOV
);
2725 pci_read_config_word(adapter
->pdev
, pos
+ PCI_SRIOV_TOTAL_VF
,
2727 adapter
->dev_num_vfs
= dev_num_vfs
;
2732 static int be_setup(struct be_adapter
*adapter
)
2734 struct device
*dev
= &adapter
->pdev
->dev
;
2735 u32 cap_flags
, en_flags
;
2741 be_setup_init(adapter
);
2743 be_get_config(adapter
);
2745 be_cmd_req_native_mode(adapter
);
2747 be_msix_enable(adapter
);
2749 status
= be_evt_queues_create(adapter
);
2753 status
= be_tx_cqs_create(adapter
);
2757 status
= be_rx_cqs_create(adapter
);
2761 status
= be_mcc_queues_create(adapter
);
2765 en_flags
= BE_IF_FLAGS_UNTAGGED
| BE_IF_FLAGS_BROADCAST
|
2766 BE_IF_FLAGS_MULTICAST
| BE_IF_FLAGS_PASS_L3L4_ERRORS
;
2767 cap_flags
= en_flags
| BE_IF_FLAGS_MCAST_PROMISCUOUS
|
2768 BE_IF_FLAGS_VLAN_PROMISCUOUS
| BE_IF_FLAGS_PROMISCUOUS
;
2770 if (adapter
->function_caps
& BE_FUNCTION_CAPS_RSS
) {
2771 cap_flags
|= BE_IF_FLAGS_RSS
;
2772 en_flags
|= BE_IF_FLAGS_RSS
;
2775 if (lancer_chip(adapter
) && !be_physfn(adapter
)) {
2776 en_flags
= BE_IF_FLAGS_UNTAGGED
|
2777 BE_IF_FLAGS_BROADCAST
|
2778 BE_IF_FLAGS_MULTICAST
;
2779 cap_flags
= en_flags
;
2782 status
= be_cmd_if_create(adapter
, cap_flags
, en_flags
,
2783 &adapter
->if_handle
, 0);
2787 memset(mac
, 0, ETH_ALEN
);
2789 status
= be_get_mac_addr(adapter
, mac
, adapter
->if_handle
,
2790 &active_mac
, &adapter
->pmac_id
[0]);
2795 status
= be_cmd_pmac_add(adapter
, mac
, adapter
->if_handle
,
2796 &adapter
->pmac_id
[0], 0);
2801 if (is_zero_ether_addr(adapter
->netdev
->dev_addr
)) {
2802 memcpy(adapter
->netdev
->dev_addr
, mac
, ETH_ALEN
);
2803 memcpy(adapter
->netdev
->perm_addr
, mac
, ETH_ALEN
);
2806 status
= be_tx_qs_create(adapter
);
2810 be_cmd_get_fw_ver(adapter
, adapter
->fw_ver
, NULL
);
2812 if (adapter
->vlans_added
)
2813 be_vid_config(adapter
);
2815 be_set_rx_mode(adapter
->netdev
);
2817 be_cmd_get_flow_control(adapter
, &tx_fc
, &rx_fc
);
2819 if (rx_fc
!= adapter
->rx_fc
|| tx_fc
!= adapter
->tx_fc
)
2820 be_cmd_set_flow_control(adapter
, adapter
->tx_fc
,
2823 if (be_physfn(adapter
) && num_vfs
) {
2824 if (adapter
->dev_num_vfs
)
2825 be_vf_setup(adapter
);
2827 dev_warn(dev
, "device doesn't support SRIOV\n");
2830 be_cmd_get_phy_info(adapter
);
2831 if (be_pause_supported(adapter
))
2832 adapter
->phy
.fc_autoneg
= 1;
2834 schedule_delayed_work(&adapter
->work
, msecs_to_jiffies(1000));
2835 adapter
->flags
|= BE_FLAGS_WORKER_SCHEDULED
;
2842 #ifdef CONFIG_NET_POLL_CONTROLLER
2843 static void be_netpoll(struct net_device
*netdev
)
2845 struct be_adapter
*adapter
= netdev_priv(netdev
);
2846 struct be_eq_obj
*eqo
;
2849 for_all_evt_queues(adapter
, eqo
, i
)
2856 #define FW_FILE_HDR_SIGN "ServerEngines Corp. "
2857 char flash_cookie
[2][16] = {"*** SE FLAS", "H DIRECTORY *** "};
2859 static bool be_flash_redboot(struct be_adapter
*adapter
,
2860 const u8
*p
, u32 img_start
, int image_size
,
2867 crc_offset
= hdr_size
+ img_start
+ image_size
- 4;
2871 status
= be_cmd_get_flash_crc(adapter
, flashed_crc
,
2874 dev_err(&adapter
->pdev
->dev
,
2875 "could not get crc from flash, not flashing redboot\n");
2879 /*update redboot only if crc does not match*/
2880 if (!memcmp(flashed_crc
, p
, 4))
2886 static bool phy_flashing_required(struct be_adapter
*adapter
)
2888 return (adapter
->phy
.phy_type
== TN_8022
&&
2889 adapter
->phy
.interface_type
== PHY_TYPE_BASET_10GB
);
2892 static bool is_comp_in_ufi(struct be_adapter
*adapter
,
2893 struct flash_section_info
*fsec
, int type
)
2895 int i
= 0, img_type
= 0;
2896 struct flash_section_info_g2
*fsec_g2
= NULL
;
2898 if (adapter
->generation
!= BE_GEN3
)
2899 fsec_g2
= (struct flash_section_info_g2
*)fsec
;
2901 for (i
= 0; i
< MAX_FLASH_COMP
; i
++) {
2903 img_type
= le32_to_cpu(fsec_g2
->fsec_entry
[i
].type
);
2905 img_type
= le32_to_cpu(fsec
->fsec_entry
[i
].type
);
2907 if (img_type
== type
)
2914 struct flash_section_info
*get_fsec_info(struct be_adapter
*adapter
,
2916 const struct firmware
*fw
)
2918 struct flash_section_info
*fsec
= NULL
;
2919 const u8
*p
= fw
->data
;
2922 while (p
< (fw
->data
+ fw
->size
)) {
2923 fsec
= (struct flash_section_info
*)p
;
2924 if (!memcmp(flash_cookie
, fsec
->cookie
, sizeof(flash_cookie
)))
2931 static int be_flash_data(struct be_adapter
*adapter
,
2932 const struct firmware
*fw
,
2933 struct be_dma_mem
*flash_cmd
,
2937 int status
= 0, i
, filehdr_size
= 0;
2938 int img_hdrs_size
= (num_of_images
* sizeof(struct image_hdr
));
2939 u32 total_bytes
= 0, flash_op
;
2941 const u8
*p
= fw
->data
;
2942 struct be_cmd_write_flashrom
*req
= flash_cmd
->va
;
2943 const struct flash_comp
*pflashcomp
;
2944 int num_comp
, hdr_size
;
2945 struct flash_section_info
*fsec
= NULL
;
2947 struct flash_comp gen3_flash_types
[] = {
2948 { FLASH_iSCSI_PRIMARY_IMAGE_START_g3
, OPTYPE_ISCSI_ACTIVE
,
2949 FLASH_IMAGE_MAX_SIZE_g3
, IMAGE_FIRMWARE_iSCSI
},
2950 { FLASH_REDBOOT_START_g3
, OPTYPE_REDBOOT
,
2951 FLASH_REDBOOT_IMAGE_MAX_SIZE_g3
, IMAGE_BOOT_CODE
},
2952 { FLASH_iSCSI_BIOS_START_g3
, OPTYPE_BIOS
,
2953 FLASH_BIOS_IMAGE_MAX_SIZE_g3
, IMAGE_OPTION_ROM_ISCSI
},
2954 { FLASH_PXE_BIOS_START_g3
, OPTYPE_PXE_BIOS
,
2955 FLASH_BIOS_IMAGE_MAX_SIZE_g3
, IMAGE_OPTION_ROM_PXE
},
2956 { FLASH_FCoE_BIOS_START_g3
, OPTYPE_FCOE_BIOS
,
2957 FLASH_BIOS_IMAGE_MAX_SIZE_g3
, IMAGE_OPTION_ROM_FCoE
},
2958 { FLASH_iSCSI_BACKUP_IMAGE_START_g3
, OPTYPE_ISCSI_BACKUP
,
2959 FLASH_IMAGE_MAX_SIZE_g3
, IMAGE_FIRMWARE_BACKUP_iSCSI
},
2960 { FLASH_FCoE_PRIMARY_IMAGE_START_g3
, OPTYPE_FCOE_FW_ACTIVE
,
2961 FLASH_IMAGE_MAX_SIZE_g3
, IMAGE_FIRMWARE_FCoE
},
2962 { FLASH_FCoE_BACKUP_IMAGE_START_g3
, OPTYPE_FCOE_FW_BACKUP
,
2963 FLASH_IMAGE_MAX_SIZE_g3
, IMAGE_FIRMWARE_BACKUP_FCoE
},
2964 { FLASH_NCSI_START_g3
, OPTYPE_NCSI_FW
,
2965 FLASH_NCSI_IMAGE_MAX_SIZE_g3
, IMAGE_NCSI
},
2966 { FLASH_PHY_FW_START_g3
, OPTYPE_PHY_FW
,
2967 FLASH_PHY_FW_IMAGE_MAX_SIZE_g3
, IMAGE_FIRMWARE_PHY
}
2970 struct flash_comp gen2_flash_types
[] = {
2971 { FLASH_iSCSI_PRIMARY_IMAGE_START_g2
, OPTYPE_ISCSI_ACTIVE
,
2972 FLASH_IMAGE_MAX_SIZE_g2
, IMAGE_FIRMWARE_iSCSI
},
2973 { FLASH_REDBOOT_START_g2
, OPTYPE_REDBOOT
,
2974 FLASH_REDBOOT_IMAGE_MAX_SIZE_g2
, IMAGE_BOOT_CODE
},
2975 { FLASH_iSCSI_BIOS_START_g2
, OPTYPE_BIOS
,
2976 FLASH_BIOS_IMAGE_MAX_SIZE_g2
, IMAGE_OPTION_ROM_ISCSI
},
2977 { FLASH_PXE_BIOS_START_g2
, OPTYPE_PXE_BIOS
,
2978 FLASH_BIOS_IMAGE_MAX_SIZE_g2
, IMAGE_OPTION_ROM_PXE
},
2979 { FLASH_FCoE_BIOS_START_g2
, OPTYPE_FCOE_BIOS
,
2980 FLASH_BIOS_IMAGE_MAX_SIZE_g2
, IMAGE_OPTION_ROM_FCoE
},
2981 { FLASH_iSCSI_BACKUP_IMAGE_START_g2
, OPTYPE_ISCSI_BACKUP
,
2982 FLASH_IMAGE_MAX_SIZE_g2
, IMAGE_FIRMWARE_BACKUP_iSCSI
},
2983 { FLASH_FCoE_PRIMARY_IMAGE_START_g2
, OPTYPE_FCOE_FW_ACTIVE
,
2984 FLASH_IMAGE_MAX_SIZE_g2
, IMAGE_FIRMWARE_FCoE
},
2985 { FLASH_FCoE_BACKUP_IMAGE_START_g2
, OPTYPE_FCOE_FW_BACKUP
,
2986 FLASH_IMAGE_MAX_SIZE_g2
, IMAGE_FIRMWARE_BACKUP_FCoE
}
2989 if (adapter
->generation
== BE_GEN3
) {
2990 pflashcomp
= gen3_flash_types
;
2991 filehdr_size
= sizeof(struct flash_file_hdr_g3
);
2992 num_comp
= ARRAY_SIZE(gen3_flash_types
);
2994 pflashcomp
= gen2_flash_types
;
2995 filehdr_size
= sizeof(struct flash_file_hdr_g2
);
2996 num_comp
= ARRAY_SIZE(gen2_flash_types
);
2998 /* Get flash section info*/
2999 fsec
= get_fsec_info(adapter
, filehdr_size
+ img_hdrs_size
, fw
);
3001 dev_err(&adapter
->pdev
->dev
,
3002 "Invalid Cookie. UFI corrupted ?\n");
3005 for (i
= 0; i
< num_comp
; i
++) {
3006 if (!is_comp_in_ufi(adapter
, fsec
, pflashcomp
[i
].img_type
))
3009 if ((pflashcomp
[i
].optype
== OPTYPE_NCSI_FW
) &&
3010 memcmp(adapter
->fw_ver
, "3.102.148.0", 11) < 0)
3013 if (pflashcomp
[i
].optype
== OPTYPE_PHY_FW
) {
3014 if (!phy_flashing_required(adapter
))
3018 hdr_size
= filehdr_size
+
3019 (num_of_images
* sizeof(struct image_hdr
));
3021 if ((pflashcomp
[i
].optype
== OPTYPE_REDBOOT
) &&
3022 (!be_flash_redboot(adapter
, fw
->data
, pflashcomp
[i
].offset
,
3023 pflashcomp
[i
].size
, hdr_size
)))
3026 /* Flash the component */
3028 p
+= filehdr_size
+ pflashcomp
[i
].offset
+ img_hdrs_size
;
3029 if (p
+ pflashcomp
[i
].size
> fw
->data
+ fw
->size
)
3031 total_bytes
= pflashcomp
[i
].size
;
3032 while (total_bytes
) {
3033 if (total_bytes
> 32*1024)
3034 num_bytes
= 32*1024;
3036 num_bytes
= total_bytes
;
3037 total_bytes
-= num_bytes
;
3039 if (pflashcomp
[i
].optype
== OPTYPE_PHY_FW
)
3040 flash_op
= FLASHROM_OPER_PHY_FLASH
;
3042 flash_op
= FLASHROM_OPER_FLASH
;
3044 if (pflashcomp
[i
].optype
== OPTYPE_PHY_FW
)
3045 flash_op
= FLASHROM_OPER_PHY_SAVE
;
3047 flash_op
= FLASHROM_OPER_SAVE
;
3049 memcpy(req
->params
.data_buf
, p
, num_bytes
);
3051 status
= be_cmd_write_flashrom(adapter
, flash_cmd
,
3052 pflashcomp
[i
].optype
, flash_op
, num_bytes
);
3054 if ((status
== ILLEGAL_IOCTL_REQ
) &&
3055 (pflashcomp
[i
].optype
==
3058 dev_err(&adapter
->pdev
->dev
,
3059 "cmd to write to flash rom failed.\n");
3067 static int get_ufigen_type(struct flash_file_hdr_g2
*fhdr
)
3071 if (fhdr
->build
[0] == '3')
3073 else if (fhdr
->build
[0] == '2')
3079 static int lancer_wait_idle(struct be_adapter
*adapter
)
3081 #define SLIPORT_IDLE_TIMEOUT 30
3085 for (i
= 0; i
< SLIPORT_IDLE_TIMEOUT
; i
++) {
3086 reg_val
= ioread32(adapter
->db
+ PHYSDEV_CONTROL_OFFSET
);
3087 if ((reg_val
& PHYSDEV_CONTROL_INP_MASK
) == 0)
3093 if (i
== SLIPORT_IDLE_TIMEOUT
)
3099 static int lancer_fw_reset(struct be_adapter
*adapter
)
3103 status
= lancer_wait_idle(adapter
);
3107 iowrite32(PHYSDEV_CONTROL_FW_RESET_MASK
, adapter
->db
+
3108 PHYSDEV_CONTROL_OFFSET
);
3113 static int lancer_fw_download(struct be_adapter
*adapter
,
3114 const struct firmware
*fw
)
3116 #define LANCER_FW_DOWNLOAD_CHUNK (32 * 1024)
3117 #define LANCER_FW_DOWNLOAD_LOCATION "/prg"
3118 struct be_dma_mem flash_cmd
;
3119 const u8
*data_ptr
= NULL
;
3120 u8
*dest_image_ptr
= NULL
;
3121 size_t image_size
= 0;
3123 u32 data_written
= 0;
3129 if (!IS_ALIGNED(fw
->size
, sizeof(u32
))) {
3130 dev_err(&adapter
->pdev
->dev
,
3131 "FW Image not properly aligned. "
3132 "Length must be 4 byte aligned.\n");
3134 goto lancer_fw_exit
;
3137 flash_cmd
.size
= sizeof(struct lancer_cmd_req_write_object
)
3138 + LANCER_FW_DOWNLOAD_CHUNK
;
3139 flash_cmd
.va
= dma_alloc_coherent(&adapter
->pdev
->dev
, flash_cmd
.size
,
3140 &flash_cmd
.dma
, GFP_KERNEL
);
3141 if (!flash_cmd
.va
) {
3143 dev_err(&adapter
->pdev
->dev
,
3144 "Memory allocation failure while flashing\n");
3145 goto lancer_fw_exit
;
3148 dest_image_ptr
= flash_cmd
.va
+
3149 sizeof(struct lancer_cmd_req_write_object
);
3150 image_size
= fw
->size
;
3151 data_ptr
= fw
->data
;
3153 while (image_size
) {
3154 chunk_size
= min_t(u32
, image_size
, LANCER_FW_DOWNLOAD_CHUNK
);
3156 /* Copy the image chunk content. */
3157 memcpy(dest_image_ptr
, data_ptr
, chunk_size
);
3159 status
= lancer_cmd_write_object(adapter
, &flash_cmd
,
3161 LANCER_FW_DOWNLOAD_LOCATION
,
3162 &data_written
, &change_status
,
3167 offset
+= data_written
;
3168 data_ptr
+= data_written
;
3169 image_size
-= data_written
;
3173 /* Commit the FW written */
3174 status
= lancer_cmd_write_object(adapter
, &flash_cmd
,
3176 LANCER_FW_DOWNLOAD_LOCATION
,
3177 &data_written
, &change_status
,
3181 dma_free_coherent(&adapter
->pdev
->dev
, flash_cmd
.size
, flash_cmd
.va
,
3184 dev_err(&adapter
->pdev
->dev
,
3185 "Firmware load error. "
3186 "Status code: 0x%x Additional Status: 0x%x\n",
3187 status
, add_status
);
3188 goto lancer_fw_exit
;
3191 if (change_status
== LANCER_FW_RESET_NEEDED
) {
3192 status
= lancer_fw_reset(adapter
);
3194 dev_err(&adapter
->pdev
->dev
,
3195 "Adapter busy for FW reset.\n"
3196 "New FW will not be active.\n");
3197 goto lancer_fw_exit
;
3199 } else if (change_status
!= LANCER_NO_RESET_NEEDED
) {
3200 dev_err(&adapter
->pdev
->dev
,
3201 "System reboot required for new FW"
3205 dev_info(&adapter
->pdev
->dev
, "Firmware flashed successfully\n");
3210 static int be_fw_download(struct be_adapter
*adapter
, const struct firmware
* fw
)
3212 struct flash_file_hdr_g2
*fhdr
;
3213 struct flash_file_hdr_g3
*fhdr3
;
3214 struct image_hdr
*img_hdr_ptr
= NULL
;
3215 struct be_dma_mem flash_cmd
;
3217 int status
= 0, i
= 0, num_imgs
= 0;
3220 fhdr
= (struct flash_file_hdr_g2
*) p
;
3222 flash_cmd
.size
= sizeof(struct be_cmd_write_flashrom
) + 32*1024;
3223 flash_cmd
.va
= dma_alloc_coherent(&adapter
->pdev
->dev
, flash_cmd
.size
,
3224 &flash_cmd
.dma
, GFP_KERNEL
);
3225 if (!flash_cmd
.va
) {
3227 dev_err(&adapter
->pdev
->dev
,
3228 "Memory allocation failure while flashing\n");
3232 if ((adapter
->generation
== BE_GEN3
) &&
3233 (get_ufigen_type(fhdr
) == BE_GEN3
)) {
3234 fhdr3
= (struct flash_file_hdr_g3
*) fw
->data
;
3235 num_imgs
= le32_to_cpu(fhdr3
->num_imgs
);
3236 for (i
= 0; i
< num_imgs
; i
++) {
3237 img_hdr_ptr
= (struct image_hdr
*) (fw
->data
+
3238 (sizeof(struct flash_file_hdr_g3
) +
3239 i
* sizeof(struct image_hdr
)));
3240 if (le32_to_cpu(img_hdr_ptr
->imageid
) == 1)
3241 status
= be_flash_data(adapter
, fw
, &flash_cmd
,
3244 } else if ((adapter
->generation
== BE_GEN2
) &&
3245 (get_ufigen_type(fhdr
) == BE_GEN2
)) {
3246 status
= be_flash_data(adapter
, fw
, &flash_cmd
, 0);
3248 dev_err(&adapter
->pdev
->dev
,
3249 "UFI and Interface are not compatible for flashing\n");
3253 dma_free_coherent(&adapter
->pdev
->dev
, flash_cmd
.size
, flash_cmd
.va
,
3256 dev_err(&adapter
->pdev
->dev
, "Firmware load error\n");
3260 dev_info(&adapter
->pdev
->dev
, "Firmware flashed successfully\n");
3266 int be_load_fw(struct be_adapter
*adapter
, u8
*fw_file
)
3268 const struct firmware
*fw
;
3271 if (!netif_running(adapter
->netdev
)) {
3272 dev_err(&adapter
->pdev
->dev
,
3273 "Firmware load not allowed (interface is down)\n");
3277 status
= request_firmware(&fw
, fw_file
, &adapter
->pdev
->dev
);
3281 dev_info(&adapter
->pdev
->dev
, "Flashing firmware file %s\n", fw_file
);
3283 if (lancer_chip(adapter
))
3284 status
= lancer_fw_download(adapter
, fw
);
3286 status
= be_fw_download(adapter
, fw
);
3289 release_firmware(fw
);
3293 static const struct net_device_ops be_netdev_ops
= {
3294 .ndo_open
= be_open
,
3295 .ndo_stop
= be_close
,
3296 .ndo_start_xmit
= be_xmit
,
3297 .ndo_set_rx_mode
= be_set_rx_mode
,
3298 .ndo_set_mac_address
= be_mac_addr_set
,
3299 .ndo_change_mtu
= be_change_mtu
,
3300 .ndo_get_stats64
= be_get_stats64
,
3301 .ndo_validate_addr
= eth_validate_addr
,
3302 .ndo_vlan_rx_add_vid
= be_vlan_add_vid
,
3303 .ndo_vlan_rx_kill_vid
= be_vlan_rem_vid
,
3304 .ndo_set_vf_mac
= be_set_vf_mac
,
3305 .ndo_set_vf_vlan
= be_set_vf_vlan
,
3306 .ndo_set_vf_tx_rate
= be_set_vf_tx_rate
,
3307 .ndo_get_vf_config
= be_get_vf_config
,
3308 #ifdef CONFIG_NET_POLL_CONTROLLER
3309 .ndo_poll_controller
= be_netpoll
,
3313 static void be_netdev_init(struct net_device
*netdev
)
3315 struct be_adapter
*adapter
= netdev_priv(netdev
);
3316 struct be_eq_obj
*eqo
;
3319 netdev
->hw_features
|= NETIF_F_SG
| NETIF_F_TSO
| NETIF_F_TSO6
|
3320 NETIF_F_IP_CSUM
| NETIF_F_IPV6_CSUM
| NETIF_F_RXCSUM
|
3322 if (be_multi_rxq(adapter
))
3323 netdev
->hw_features
|= NETIF_F_RXHASH
;
3325 netdev
->features
|= netdev
->hw_features
|
3326 NETIF_F_HW_VLAN_RX
| NETIF_F_HW_VLAN_FILTER
;
3328 netdev
->vlan_features
|= NETIF_F_SG
| NETIF_F_TSO
| NETIF_F_TSO6
|
3329 NETIF_F_IP_CSUM
| NETIF_F_IPV6_CSUM
;
3331 netdev
->priv_flags
|= IFF_UNICAST_FLT
;
3333 netdev
->flags
|= IFF_MULTICAST
;
3335 netif_set_gso_max_size(netdev
, 65535 - ETH_HLEN
);
3337 netdev
->netdev_ops
= &be_netdev_ops
;
3339 SET_ETHTOOL_OPS(netdev
, &be_ethtool_ops
);
3341 for_all_evt_queues(adapter
, eqo
, i
)
3342 netif_napi_add(netdev
, &eqo
->napi
, be_poll
, BE_NAPI_WEIGHT
);
3345 static void be_unmap_pci_bars(struct be_adapter
*adapter
)
3348 iounmap(adapter
->csr
);
3350 iounmap(adapter
->db
);
3351 if (adapter
->roce_db
.base
)
3352 pci_iounmap(adapter
->pdev
, adapter
->roce_db
.base
);
3355 static int lancer_roce_map_pci_bars(struct be_adapter
*adapter
)
3357 struct pci_dev
*pdev
= adapter
->pdev
;
3360 addr
= pci_iomap(pdev
, 2, 0);
3364 adapter
->roce_db
.base
= addr
;
3365 adapter
->roce_db
.io_addr
= pci_resource_start(pdev
, 2);
3366 adapter
->roce_db
.size
= 8192;
3367 adapter
->roce_db
.total_size
= pci_resource_len(pdev
, 2);
3371 static int be_map_pci_bars(struct be_adapter
*adapter
)
3376 if (lancer_chip(adapter
)) {
3377 if (be_type_2_3(adapter
)) {
3378 addr
= ioremap_nocache(
3379 pci_resource_start(adapter
->pdev
, 0),
3380 pci_resource_len(adapter
->pdev
, 0));
3385 if (adapter
->if_type
== SLI_INTF_TYPE_3
) {
3386 if (lancer_roce_map_pci_bars(adapter
))
3392 if (be_physfn(adapter
)) {
3393 addr
= ioremap_nocache(pci_resource_start(adapter
->pdev
, 2),
3394 pci_resource_len(adapter
->pdev
, 2));
3397 adapter
->csr
= addr
;
3400 if (adapter
->generation
== BE_GEN2
) {
3403 if (be_physfn(adapter
))
3408 addr
= ioremap_nocache(pci_resource_start(adapter
->pdev
, db_reg
),
3409 pci_resource_len(adapter
->pdev
, db_reg
));
3413 if (adapter
->sli_family
== SKYHAWK_SLI_FAMILY
) {
3414 adapter
->roce_db
.size
= 4096;
3415 adapter
->roce_db
.io_addr
=
3416 pci_resource_start(adapter
->pdev
, db_reg
);
3417 adapter
->roce_db
.total_size
=
3418 pci_resource_len(adapter
->pdev
, db_reg
);
3422 be_unmap_pci_bars(adapter
);
3426 static void be_ctrl_cleanup(struct be_adapter
*adapter
)
3428 struct be_dma_mem
*mem
= &adapter
->mbox_mem_alloced
;
3430 be_unmap_pci_bars(adapter
);
3433 dma_free_coherent(&adapter
->pdev
->dev
, mem
->size
, mem
->va
,
3436 mem
= &adapter
->rx_filter
;
3438 dma_free_coherent(&adapter
->pdev
->dev
, mem
->size
, mem
->va
,
3442 static int be_ctrl_init(struct be_adapter
*adapter
)
3444 struct be_dma_mem
*mbox_mem_alloc
= &adapter
->mbox_mem_alloced
;
3445 struct be_dma_mem
*mbox_mem_align
= &adapter
->mbox_mem
;
3446 struct be_dma_mem
*rx_filter
= &adapter
->rx_filter
;
3449 status
= be_map_pci_bars(adapter
);
3453 mbox_mem_alloc
->size
= sizeof(struct be_mcc_mailbox
) + 16;
3454 mbox_mem_alloc
->va
= dma_alloc_coherent(&adapter
->pdev
->dev
,
3455 mbox_mem_alloc
->size
,
3456 &mbox_mem_alloc
->dma
,
3458 if (!mbox_mem_alloc
->va
) {
3460 goto unmap_pci_bars
;
3462 mbox_mem_align
->size
= sizeof(struct be_mcc_mailbox
);
3463 mbox_mem_align
->va
= PTR_ALIGN(mbox_mem_alloc
->va
, 16);
3464 mbox_mem_align
->dma
= PTR_ALIGN(mbox_mem_alloc
->dma
, 16);
3465 memset(mbox_mem_align
->va
, 0, sizeof(struct be_mcc_mailbox
));
3467 rx_filter
->size
= sizeof(struct be_cmd_req_rx_filter
);
3468 rx_filter
->va
= dma_alloc_coherent(&adapter
->pdev
->dev
, rx_filter
->size
,
3469 &rx_filter
->dma
, GFP_KERNEL
);
3470 if (rx_filter
->va
== NULL
) {
3474 memset(rx_filter
->va
, 0, rx_filter
->size
);
3476 mutex_init(&adapter
->mbox_lock
);
3477 spin_lock_init(&adapter
->mcc_lock
);
3478 spin_lock_init(&adapter
->mcc_cq_lock
);
3480 init_completion(&adapter
->flash_compl
);
3481 pci_save_state(adapter
->pdev
);
3485 dma_free_coherent(&adapter
->pdev
->dev
, mbox_mem_alloc
->size
,
3486 mbox_mem_alloc
->va
, mbox_mem_alloc
->dma
);
3489 be_unmap_pci_bars(adapter
);
3495 static void be_stats_cleanup(struct be_adapter
*adapter
)
3497 struct be_dma_mem
*cmd
= &adapter
->stats_cmd
;
3500 dma_free_coherent(&adapter
->pdev
->dev
, cmd
->size
,
3504 static int be_stats_init(struct be_adapter
*adapter
)
3506 struct be_dma_mem
*cmd
= &adapter
->stats_cmd
;
3508 if (adapter
->generation
== BE_GEN2
) {
3509 cmd
->size
= sizeof(struct be_cmd_req_get_stats_v0
);
3511 if (lancer_chip(adapter
))
3512 cmd
->size
= sizeof(struct lancer_cmd_req_pport_stats
);
3514 cmd
->size
= sizeof(struct be_cmd_req_get_stats_v1
);
3516 cmd
->va
= dma_alloc_coherent(&adapter
->pdev
->dev
, cmd
->size
, &cmd
->dma
,
3518 if (cmd
->va
== NULL
)
3520 memset(cmd
->va
, 0, cmd
->size
);
3524 static void __devexit
be_remove(struct pci_dev
*pdev
)
3526 struct be_adapter
*adapter
= pci_get_drvdata(pdev
);
3531 be_roce_dev_remove(adapter
);
3533 cancel_delayed_work_sync(&adapter
->func_recovery_work
);
3535 unregister_netdev(adapter
->netdev
);
3539 /* tell fw we're done with firing cmds */
3540 be_cmd_fw_clean(adapter
);
3542 be_stats_cleanup(adapter
);
3544 be_ctrl_cleanup(adapter
);
3546 pci_set_drvdata(pdev
, NULL
);
3547 pci_release_regions(pdev
);
3548 pci_disable_device(pdev
);
3550 free_netdev(adapter
->netdev
);
3553 bool be_is_wol_supported(struct be_adapter
*adapter
)
3555 return ((adapter
->wol_cap
& BE_WOL_CAP
) &&
3556 !be_is_wol_excluded(adapter
)) ? true : false;
3559 u32
be_get_fw_log_level(struct be_adapter
*adapter
)
3561 struct be_dma_mem extfat_cmd
;
3562 struct be_fat_conf_params
*cfgs
;
3567 memset(&extfat_cmd
, 0, sizeof(struct be_dma_mem
));
3568 extfat_cmd
.size
= sizeof(struct be_cmd_resp_get_ext_fat_caps
);
3569 extfat_cmd
.va
= pci_alloc_consistent(adapter
->pdev
, extfat_cmd
.size
,
3572 if (!extfat_cmd
.va
) {
3573 dev_err(&adapter
->pdev
->dev
, "%s: Memory allocation failure\n",
3578 status
= be_cmd_get_ext_fat_capabilites(adapter
, &extfat_cmd
);
3580 cfgs
= (struct be_fat_conf_params
*)(extfat_cmd
.va
+
3581 sizeof(struct be_cmd_resp_hdr
));
3582 for (j
= 0; j
< le32_to_cpu(cfgs
->module
[0].num_modes
); j
++) {
3583 if (cfgs
->module
[0].trace_lvl
[j
].mode
== MODE_UART
)
3584 level
= cfgs
->module
[0].trace_lvl
[j
].dbg_lvl
;
3587 pci_free_consistent(adapter
->pdev
, extfat_cmd
.size
, extfat_cmd
.va
,
3592 static int be_get_initial_config(struct be_adapter
*adapter
)
3597 status
= be_cmd_query_fw_cfg(adapter
, &adapter
->port_num
,
3598 &adapter
->function_mode
, &adapter
->function_caps
);
3602 if (adapter
->function_mode
& FLEX10_MODE
)
3603 adapter
->max_vlans
= BE_NUM_VLANS_SUPPORTED
/8;
3605 adapter
->max_vlans
= BE_NUM_VLANS_SUPPORTED
;
3607 if (be_physfn(adapter
))
3608 adapter
->max_pmac_cnt
= BE_UC_PMAC_COUNT
;
3610 adapter
->max_pmac_cnt
= BE_VF_UC_PMAC_COUNT
;
3612 /* primary mac needs 1 pmac entry */
3613 adapter
->pmac_id
= kcalloc(adapter
->max_pmac_cnt
+ 1,
3614 sizeof(u32
), GFP_KERNEL
);
3615 if (!adapter
->pmac_id
)
3618 status
= be_cmd_get_cntl_attributes(adapter
);
3622 status
= be_cmd_get_acpi_wol_cap(adapter
);
3624 /* in case of a failure to get wol capabillities
3625 * check the exclusion list to determine WOL capability */
3626 if (!be_is_wol_excluded(adapter
))
3627 adapter
->wol_cap
|= BE_WOL_CAP
;
3630 if (be_is_wol_supported(adapter
))
3631 adapter
->wol
= true;
3633 /* Must be a power of 2 or else MODULO will BUG_ON */
3634 adapter
->be_get_temp_freq
= 64;
3636 level
= be_get_fw_log_level(adapter
);
3637 adapter
->msg_enable
= level
<= FW_LOG_LEVEL_DEFAULT
? NETIF_MSG_HW
: 0;
3642 static int be_dev_type_check(struct be_adapter
*adapter
)
3644 struct pci_dev
*pdev
= adapter
->pdev
;
3645 u32 sli_intf
= 0, if_type
;
3647 switch (pdev
->device
) {
3650 adapter
->generation
= BE_GEN2
;
3654 adapter
->generation
= BE_GEN3
;
3658 pci_read_config_dword(pdev
, SLI_INTF_REG_OFFSET
, &sli_intf
);
3659 adapter
->if_type
= (sli_intf
& SLI_INTF_IF_TYPE_MASK
) >>
3660 SLI_INTF_IF_TYPE_SHIFT
;
3661 if_type
= (sli_intf
& SLI_INTF_IF_TYPE_MASK
) >>
3662 SLI_INTF_IF_TYPE_SHIFT
;
3663 if (((sli_intf
& SLI_INTF_VALID_MASK
) != SLI_INTF_VALID
) ||
3664 !be_type_2_3(adapter
)) {
3665 dev_err(&pdev
->dev
, "SLI_INTF reg val is not valid\n");
3668 adapter
->sli_family
= ((sli_intf
& SLI_INTF_FAMILY_MASK
) >>
3669 SLI_INTF_FAMILY_SHIFT
);
3670 adapter
->generation
= BE_GEN3
;
3673 pci_read_config_dword(pdev
, SLI_INTF_REG_OFFSET
, &sli_intf
);
3674 if ((sli_intf
& SLI_INTF_VALID_MASK
) != SLI_INTF_VALID
) {
3675 dev_err(&pdev
->dev
, "SLI_INTF reg val is not valid\n");
3678 adapter
->sli_family
= ((sli_intf
& SLI_INTF_FAMILY_MASK
) >>
3679 SLI_INTF_FAMILY_SHIFT
);
3680 adapter
->generation
= BE_GEN3
;
3683 adapter
->generation
= 0;
3686 pci_read_config_dword(adapter
->pdev
, SLI_INTF_REG_OFFSET
, &sli_intf
);
3687 adapter
->virtfn
= (sli_intf
& SLI_INTF_FT_MASK
) ? 1 : 0;
3691 static int lancer_recover_func(struct be_adapter
*adapter
)
3695 status
= lancer_test_and_set_rdy_state(adapter
);
3699 if (netif_running(adapter
->netdev
))
3700 be_close(adapter
->netdev
);
3704 adapter
->hw_error
= false;
3705 adapter
->fw_timeout
= false;
3707 status
= be_setup(adapter
);
3711 if (netif_running(adapter
->netdev
)) {
3712 status
= be_open(adapter
->netdev
);
3717 dev_err(&adapter
->pdev
->dev
,
3718 "Adapter SLIPORT recovery succeeded\n");
3721 dev_err(&adapter
->pdev
->dev
,
3722 "Adapter SLIPORT recovery failed\n");
3727 static void be_func_recovery_task(struct work_struct
*work
)
3729 struct be_adapter
*adapter
=
3730 container_of(work
, struct be_adapter
, func_recovery_work
.work
);
3733 be_detect_error(adapter
);
3735 if (adapter
->hw_error
&& lancer_chip(adapter
)) {
3737 if (adapter
->eeh_error
)
3741 netif_device_detach(adapter
->netdev
);
3744 status
= lancer_recover_func(adapter
);
3747 netif_device_attach(adapter
->netdev
);
3751 schedule_delayed_work(&adapter
->func_recovery_work
,
3752 msecs_to_jiffies(1000));
3755 static void be_worker(struct work_struct
*work
)
3757 struct be_adapter
*adapter
=
3758 container_of(work
, struct be_adapter
, work
.work
);
3759 struct be_rx_obj
*rxo
;
3760 struct be_eq_obj
*eqo
;
3763 /* when interrupts are not yet enabled, just reap any pending
3764 * mcc completions */
3765 if (!netif_running(adapter
->netdev
)) {
3766 be_process_mcc(adapter
);
3770 if (!adapter
->stats_cmd_sent
) {
3771 if (lancer_chip(adapter
))
3772 lancer_cmd_get_pport_stats(adapter
,
3773 &adapter
->stats_cmd
);
3775 be_cmd_get_stats(adapter
, &adapter
->stats_cmd
);
3778 if (MODULO(adapter
->work_counter
, adapter
->be_get_temp_freq
) == 0)
3779 be_cmd_get_die_temperature(adapter
);
3781 for_all_rx_queues(adapter
, rxo
, i
) {
3782 if (rxo
->rx_post_starved
) {
3783 rxo
->rx_post_starved
= false;
3784 be_post_rx_frags(rxo
, GFP_KERNEL
);
3788 for_all_evt_queues(adapter
, eqo
, i
)
3789 be_eqd_update(adapter
, eqo
);
3792 adapter
->work_counter
++;
3793 schedule_delayed_work(&adapter
->work
, msecs_to_jiffies(1000));
3796 static bool be_reset_required(struct be_adapter
*adapter
)
3798 return be_find_vfs(adapter
, ENABLED
) > 0 ? false : true;
3801 static int __devinit
be_probe(struct pci_dev
*pdev
,
3802 const struct pci_device_id
*pdev_id
)
3805 struct be_adapter
*adapter
;
3806 struct net_device
*netdev
;
3809 status
= pci_enable_device(pdev
);
3813 status
= pci_request_regions(pdev
, DRV_NAME
);
3816 pci_set_master(pdev
);
3818 netdev
= alloc_etherdev_mqs(sizeof(*adapter
), MAX_TX_QS
, MAX_RX_QS
);
3819 if (netdev
== NULL
) {
3823 adapter
= netdev_priv(netdev
);
3824 adapter
->pdev
= pdev
;
3825 pci_set_drvdata(pdev
, adapter
);
3827 status
= be_dev_type_check(adapter
);
3831 adapter
->netdev
= netdev
;
3832 SET_NETDEV_DEV(netdev
, &pdev
->dev
);
3834 status
= dma_set_mask(&pdev
->dev
, DMA_BIT_MASK(64));
3836 netdev
->features
|= NETIF_F_HIGHDMA
;
3838 status
= dma_set_mask(&pdev
->dev
, DMA_BIT_MASK(32));
3840 dev_err(&pdev
->dev
, "Could not set PCI DMA Mask\n");
3845 status
= be_ctrl_init(adapter
);
3849 /* sync up with fw's ready state */
3850 if (be_physfn(adapter
)) {
3851 status
= be_fw_wait_ready(adapter
);
3856 /* tell fw we're ready to fire cmds */
3857 status
= be_cmd_fw_init(adapter
);
3861 if (be_reset_required(adapter
)) {
3862 status
= be_cmd_reset_function(adapter
);
3867 /* The INTR bit may be set in the card when probed by a kdump kernel
3870 if (!lancer_chip(adapter
))
3871 be_intr_set(adapter
, false);
3873 status
= be_stats_init(adapter
);
3877 status
= be_get_initial_config(adapter
);
3881 INIT_DELAYED_WORK(&adapter
->work
, be_worker
);
3882 INIT_DELAYED_WORK(&adapter
->func_recovery_work
, be_func_recovery_task
);
3883 adapter
->rx_fc
= adapter
->tx_fc
= true;
3885 status
= be_setup(adapter
);
3889 be_netdev_init(netdev
);
3890 status
= register_netdev(netdev
);
3894 be_roce_dev_add(adapter
);
3896 schedule_delayed_work(&adapter
->func_recovery_work
,
3897 msecs_to_jiffies(1000));
3899 be_cmd_query_port_name(adapter
, &port_name
);
3901 dev_info(&pdev
->dev
, "%s: %s port %c\n", netdev
->name
, nic_name(pdev
),
3909 be_msix_disable(adapter
);
3911 be_stats_cleanup(adapter
);
3913 be_ctrl_cleanup(adapter
);
3915 free_netdev(netdev
);
3916 pci_set_drvdata(pdev
, NULL
);
3918 pci_release_regions(pdev
);
3920 pci_disable_device(pdev
);
3922 dev_err(&pdev
->dev
, "%s initialization failed\n", nic_name(pdev
));
3926 static int be_suspend(struct pci_dev
*pdev
, pm_message_t state
)
3928 struct be_adapter
*adapter
= pci_get_drvdata(pdev
);
3929 struct net_device
*netdev
= adapter
->netdev
;
3932 be_setup_wol(adapter
, true);
3934 cancel_delayed_work_sync(&adapter
->func_recovery_work
);
3936 netif_device_detach(netdev
);
3937 if (netif_running(netdev
)) {
3944 pci_save_state(pdev
);
3945 pci_disable_device(pdev
);
3946 pci_set_power_state(pdev
, pci_choose_state(pdev
, state
));
3950 static int be_resume(struct pci_dev
*pdev
)
3953 struct be_adapter
*adapter
= pci_get_drvdata(pdev
);
3954 struct net_device
*netdev
= adapter
->netdev
;
3956 netif_device_detach(netdev
);
3958 status
= pci_enable_device(pdev
);
3962 pci_set_power_state(pdev
, 0);
3963 pci_restore_state(pdev
);
3965 /* tell fw we're ready to fire cmds */
3966 status
= be_cmd_fw_init(adapter
);
3971 if (netif_running(netdev
)) {
3977 schedule_delayed_work(&adapter
->func_recovery_work
,
3978 msecs_to_jiffies(1000));
3979 netif_device_attach(netdev
);
3982 be_setup_wol(adapter
, false);
3988 * An FLR will stop BE from DMAing any data.
3990 static void be_shutdown(struct pci_dev
*pdev
)
3992 struct be_adapter
*adapter
= pci_get_drvdata(pdev
);
3997 cancel_delayed_work_sync(&adapter
->work
);
3998 cancel_delayed_work_sync(&adapter
->func_recovery_work
);
4000 netif_device_detach(adapter
->netdev
);
4003 be_setup_wol(adapter
, true);
4005 be_cmd_reset_function(adapter
);
4007 pci_disable_device(pdev
);
4010 static pci_ers_result_t
be_eeh_err_detected(struct pci_dev
*pdev
,
4011 pci_channel_state_t state
)
4013 struct be_adapter
*adapter
= pci_get_drvdata(pdev
);
4014 struct net_device
*netdev
= adapter
->netdev
;
4016 dev_err(&adapter
->pdev
->dev
, "EEH error detected\n");
4018 adapter
->eeh_error
= true;
4020 cancel_delayed_work_sync(&adapter
->func_recovery_work
);
4023 netif_device_detach(netdev
);
4026 if (netif_running(netdev
)) {
4033 if (state
== pci_channel_io_perm_failure
)
4034 return PCI_ERS_RESULT_DISCONNECT
;
4036 pci_disable_device(pdev
);
4038 /* The error could cause the FW to trigger a flash debug dump.
4039 * Resetting the card while flash dump is in progress
4040 * can cause it not to recover; wait for it to finish
4043 return PCI_ERS_RESULT_NEED_RESET
;
4046 static pci_ers_result_t
be_eeh_reset(struct pci_dev
*pdev
)
4048 struct be_adapter
*adapter
= pci_get_drvdata(pdev
);
4051 dev_info(&adapter
->pdev
->dev
, "EEH reset\n");
4052 be_clear_all_error(adapter
);
4054 status
= pci_enable_device(pdev
);
4056 return PCI_ERS_RESULT_DISCONNECT
;
4058 pci_set_master(pdev
);
4059 pci_set_power_state(pdev
, 0);
4060 pci_restore_state(pdev
);
4062 /* Check if card is ok and fw is ready */
4063 status
= be_fw_wait_ready(adapter
);
4065 return PCI_ERS_RESULT_DISCONNECT
;
4067 return PCI_ERS_RESULT_RECOVERED
;
4070 static void be_eeh_resume(struct pci_dev
*pdev
)
4073 struct be_adapter
*adapter
= pci_get_drvdata(pdev
);
4074 struct net_device
*netdev
= adapter
->netdev
;
4076 dev_info(&adapter
->pdev
->dev
, "EEH resume\n");
4078 pci_save_state(pdev
);
4080 /* tell fw we're ready to fire cmds */
4081 status
= be_cmd_fw_init(adapter
);
4085 status
= be_cmd_reset_function(adapter
);
4089 status
= be_setup(adapter
);
4093 if (netif_running(netdev
)) {
4094 status
= be_open(netdev
);
4099 schedule_delayed_work(&adapter
->func_recovery_work
,
4100 msecs_to_jiffies(1000));
4101 netif_device_attach(netdev
);
4104 dev_err(&adapter
->pdev
->dev
, "EEH resume failed\n");
4107 static struct pci_error_handlers be_eeh_handlers
= {
4108 .error_detected
= be_eeh_err_detected
,
4109 .slot_reset
= be_eeh_reset
,
4110 .resume
= be_eeh_resume
,
4113 static struct pci_driver be_driver
= {
4115 .id_table
= be_dev_ids
,
4117 .remove
= be_remove
,
4118 .suspend
= be_suspend
,
4119 .resume
= be_resume
,
4120 .shutdown
= be_shutdown
,
4121 .err_handler
= &be_eeh_handlers
4124 static int __init
be_init_module(void)
4126 if (rx_frag_size
!= 8192 && rx_frag_size
!= 4096 &&
4127 rx_frag_size
!= 2048) {
4128 printk(KERN_WARNING DRV_NAME
4129 " : Module param rx_frag_size must be 2048/4096/8192."
4131 rx_frag_size
= 2048;
4134 return pci_register_driver(&be_driver
);
4136 module_init(be_init_module
);
4138 static void __exit
be_exit_module(void)
4140 pci_unregister_driver(&be_driver
);
4142 module_exit(be_exit_module
);