2 * Copyright (C) 2005 - 2010 ServerEngines
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@serverengines.com
14 * 209 N. Fair Oaks Ave
20 #include <asm/div64.h>
22 MODULE_VERSION(DRV_VER
);
23 MODULE_DEVICE_TABLE(pci
, be_dev_ids
);
24 MODULE_DESCRIPTION(DRV_DESC
" " DRV_VER
);
25 MODULE_AUTHOR("ServerEngines Corporation");
26 MODULE_LICENSE("GPL");
28 static unsigned int rx_frag_size
= 2048;
29 static unsigned int num_vfs
;
30 module_param(rx_frag_size
, uint
, S_IRUGO
);
31 module_param(num_vfs
, uint
, S_IRUGO
);
32 MODULE_PARM_DESC(rx_frag_size
, "Size of a fragment that holds rcvd data.");
33 MODULE_PARM_DESC(num_vfs
, "Number of PCI VFs to initialize");
35 static bool multi_rxq
= true;
36 module_param(multi_rxq
, bool, S_IRUGO
| S_IWUSR
);
37 MODULE_PARM_DESC(multi_rxq
, "Multi Rx Queue support. Enabled by default");
39 static DEFINE_PCI_DEVICE_TABLE(be_dev_ids
) = {
40 { PCI_DEVICE(BE_VENDOR_ID
, BE_DEVICE_ID1
) },
41 { PCI_DEVICE(BE_VENDOR_ID
, BE_DEVICE_ID2
) },
42 { PCI_DEVICE(BE_VENDOR_ID
, OC_DEVICE_ID1
) },
43 { PCI_DEVICE(BE_VENDOR_ID
, OC_DEVICE_ID2
) },
44 { PCI_DEVICE(EMULEX_VENDOR_ID
, OC_DEVICE_ID3
)},
47 MODULE_DEVICE_TABLE(pci
, be_dev_ids
);
48 /* UE Status Low CSR */
49 static char *ue_status_low_desc
[] = {
83 /* UE Status High CSR */
84 static char *ue_status_hi_desc
[] = {
119 static inline bool be_multi_rxq(struct be_adapter
*adapter
)
121 return (adapter
->num_rx_qs
> 1);
124 static void be_queue_free(struct be_adapter
*adapter
, struct be_queue_info
*q
)
126 struct be_dma_mem
*mem
= &q
->dma_mem
;
128 dma_free_coherent(&adapter
->pdev
->dev
, mem
->size
, mem
->va
,
132 static int be_queue_alloc(struct be_adapter
*adapter
, struct be_queue_info
*q
,
133 u16 len
, u16 entry_size
)
135 struct be_dma_mem
*mem
= &q
->dma_mem
;
137 memset(q
, 0, sizeof(*q
));
139 q
->entry_size
= entry_size
;
140 mem
->size
= len
* entry_size
;
141 mem
->va
= dma_alloc_coherent(&adapter
->pdev
->dev
, mem
->size
, &mem
->dma
,
145 memset(mem
->va
, 0, mem
->size
);
149 static void be_intr_set(struct be_adapter
*adapter
, bool enable
)
151 u8 __iomem
*addr
= adapter
->pcicfg
+ PCICFG_MEMBAR_CTRL_INT_CTRL_OFFSET
;
152 u32 reg
= ioread32(addr
);
153 u32 enabled
= reg
& MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK
;
155 if (adapter
->eeh_err
)
158 if (!enabled
&& enable
)
159 reg
|= MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK
;
160 else if (enabled
&& !enable
)
161 reg
&= ~MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK
;
165 iowrite32(reg
, addr
);
168 static void be_rxq_notify(struct be_adapter
*adapter
, u16 qid
, u16 posted
)
171 val
|= qid
& DB_RQ_RING_ID_MASK
;
172 val
|= posted
<< DB_RQ_NUM_POSTED_SHIFT
;
175 iowrite32(val
, adapter
->db
+ DB_RQ_OFFSET
);
178 static void be_txq_notify(struct be_adapter
*adapter
, u16 qid
, u16 posted
)
181 val
|= qid
& DB_TXULP_RING_ID_MASK
;
182 val
|= (posted
& DB_TXULP_NUM_POSTED_MASK
) << DB_TXULP_NUM_POSTED_SHIFT
;
185 iowrite32(val
, adapter
->db
+ DB_TXULP1_OFFSET
);
188 static void be_eq_notify(struct be_adapter
*adapter
, u16 qid
,
189 bool arm
, bool clear_int
, u16 num_popped
)
192 val
|= qid
& DB_EQ_RING_ID_MASK
;
193 val
|= ((qid
& DB_EQ_RING_ID_EXT_MASK
) <<
194 DB_EQ_RING_ID_EXT_MASK_SHIFT
);
196 if (adapter
->eeh_err
)
200 val
|= 1 << DB_EQ_REARM_SHIFT
;
202 val
|= 1 << DB_EQ_CLR_SHIFT
;
203 val
|= 1 << DB_EQ_EVNT_SHIFT
;
204 val
|= num_popped
<< DB_EQ_NUM_POPPED_SHIFT
;
205 iowrite32(val
, adapter
->db
+ DB_EQ_OFFSET
);
208 void be_cq_notify(struct be_adapter
*adapter
, u16 qid
, bool arm
, u16 num_popped
)
211 val
|= qid
& DB_CQ_RING_ID_MASK
;
212 val
|= ((qid
& DB_CQ_RING_ID_EXT_MASK
) <<
213 DB_CQ_RING_ID_EXT_MASK_SHIFT
);
215 if (adapter
->eeh_err
)
219 val
|= 1 << DB_CQ_REARM_SHIFT
;
220 val
|= num_popped
<< DB_CQ_NUM_POPPED_SHIFT
;
221 iowrite32(val
, adapter
->db
+ DB_CQ_OFFSET
);
224 static int be_mac_addr_set(struct net_device
*netdev
, void *p
)
226 struct be_adapter
*adapter
= netdev_priv(netdev
);
227 struct sockaddr
*addr
= p
;
230 if (!is_valid_ether_addr(addr
->sa_data
))
231 return -EADDRNOTAVAIL
;
233 /* MAC addr configuration will be done in hardware for VFs
234 * by their corresponding PFs. Just copy to netdev addr here
236 if (!be_physfn(adapter
))
239 status
= be_cmd_pmac_del(adapter
, adapter
->if_handle
,
240 adapter
->pmac_id
, 0);
244 status
= be_cmd_pmac_add(adapter
, (u8
*)addr
->sa_data
,
245 adapter
->if_handle
, &adapter
->pmac_id
, 0);
248 memcpy(netdev
->dev_addr
, addr
->sa_data
, netdev
->addr_len
);
253 void netdev_stats_update(struct be_adapter
*adapter
)
255 struct be_hw_stats
*hw_stats
= hw_stats_from_cmd(adapter
->stats_cmd
.va
);
256 struct be_rxf_stats
*rxf_stats
= &hw_stats
->rxf
;
257 struct be_port_rxf_stats
*port_stats
=
258 &rxf_stats
->port
[adapter
->port_num
];
259 struct net_device_stats
*dev_stats
= &adapter
->netdev
->stats
;
260 struct be_erx_stats
*erx_stats
= &hw_stats
->erx
;
261 struct be_rx_obj
*rxo
;
264 memset(dev_stats
, 0, sizeof(*dev_stats
));
265 for_all_rx_queues(adapter
, rxo
, i
) {
266 dev_stats
->rx_packets
+= rx_stats(rxo
)->rx_pkts
;
267 dev_stats
->rx_bytes
+= rx_stats(rxo
)->rx_bytes
;
268 dev_stats
->multicast
+= rx_stats(rxo
)->rx_mcast_pkts
;
269 /* no space in linux buffers: best possible approximation */
270 dev_stats
->rx_dropped
+=
271 erx_stats
->rx_drops_no_fragments
[rxo
->q
.id
];
274 dev_stats
->tx_packets
= tx_stats(adapter
)->be_tx_pkts
;
275 dev_stats
->tx_bytes
= tx_stats(adapter
)->be_tx_bytes
;
277 /* bad pkts received */
278 dev_stats
->rx_errors
= port_stats
->rx_crc_errors
+
279 port_stats
->rx_alignment_symbol_errors
+
280 port_stats
->rx_in_range_errors
+
281 port_stats
->rx_out_range_errors
+
282 port_stats
->rx_frame_too_long
+
283 port_stats
->rx_dropped_too_small
+
284 port_stats
->rx_dropped_too_short
+
285 port_stats
->rx_dropped_header_too_small
+
286 port_stats
->rx_dropped_tcp_length
+
287 port_stats
->rx_dropped_runt
+
288 port_stats
->rx_tcp_checksum_errs
+
289 port_stats
->rx_ip_checksum_errs
+
290 port_stats
->rx_udp_checksum_errs
;
292 /* detailed rx errors */
293 dev_stats
->rx_length_errors
= port_stats
->rx_in_range_errors
+
294 port_stats
->rx_out_range_errors
+
295 port_stats
->rx_frame_too_long
;
297 dev_stats
->rx_crc_errors
= port_stats
->rx_crc_errors
;
299 /* frame alignment errors */
300 dev_stats
->rx_frame_errors
= port_stats
->rx_alignment_symbol_errors
;
302 /* receiver fifo overrun */
303 /* drops_no_pbuf is no per i/f, it's per BE card */
304 dev_stats
->rx_fifo_errors
= port_stats
->rx_fifo_overflow
+
305 port_stats
->rx_input_fifo_overflow
+
306 rxf_stats
->rx_drops_no_pbuf
;
309 void be_link_status_update(struct be_adapter
*adapter
, bool link_up
)
311 struct net_device
*netdev
= adapter
->netdev
;
313 /* If link came up or went down */
314 if (adapter
->link_up
!= link_up
) {
315 adapter
->link_speed
= -1;
317 netif_carrier_on(netdev
);
318 printk(KERN_INFO
"%s: Link up\n", netdev
->name
);
320 netif_carrier_off(netdev
);
321 printk(KERN_INFO
"%s: Link down\n", netdev
->name
);
323 adapter
->link_up
= link_up
;
327 /* Update the EQ delay n BE based on the RX frags consumed / sec */
328 static void be_rx_eqd_update(struct be_adapter
*adapter
, struct be_rx_obj
*rxo
)
330 struct be_eq_obj
*rx_eq
= &rxo
->rx_eq
;
331 struct be_rx_stats
*stats
= &rxo
->stats
;
335 if (!rx_eq
->enable_aic
)
339 if (time_before(now
, stats
->rx_fps_jiffies
)) {
340 stats
->rx_fps_jiffies
= now
;
344 /* Update once a second */
345 if ((now
- stats
->rx_fps_jiffies
) < HZ
)
348 stats
->rx_fps
= (stats
->rx_frags
- stats
->prev_rx_frags
) /
349 ((now
- stats
->rx_fps_jiffies
) / HZ
);
351 stats
->rx_fps_jiffies
= now
;
352 stats
->prev_rx_frags
= stats
->rx_frags
;
353 eqd
= stats
->rx_fps
/ 110000;
355 if (eqd
> rx_eq
->max_eqd
)
356 eqd
= rx_eq
->max_eqd
;
357 if (eqd
< rx_eq
->min_eqd
)
358 eqd
= rx_eq
->min_eqd
;
361 if (eqd
!= rx_eq
->cur_eqd
)
362 be_cmd_modify_eqd(adapter
, rx_eq
->q
.id
, eqd
);
364 rx_eq
->cur_eqd
= eqd
;
367 static u32
be_calc_rate(u64 bytes
, unsigned long ticks
)
371 do_div(rate
, ticks
/ HZ
);
372 rate
<<= 3; /* bytes/sec -> bits/sec */
373 do_div(rate
, 1000000ul); /* MB/Sec */
378 static void be_tx_rate_update(struct be_adapter
*adapter
)
380 struct be_tx_stats
*stats
= tx_stats(adapter
);
383 /* Wrapped around? */
384 if (time_before(now
, stats
->be_tx_jiffies
)) {
385 stats
->be_tx_jiffies
= now
;
389 /* Update tx rate once in two seconds */
390 if ((now
- stats
->be_tx_jiffies
) > 2 * HZ
) {
391 stats
->be_tx_rate
= be_calc_rate(stats
->be_tx_bytes
392 - stats
->be_tx_bytes_prev
,
393 now
- stats
->be_tx_jiffies
);
394 stats
->be_tx_jiffies
= now
;
395 stats
->be_tx_bytes_prev
= stats
->be_tx_bytes
;
399 static void be_tx_stats_update(struct be_adapter
*adapter
,
400 u32 wrb_cnt
, u32 copied
, u32 gso_segs
, bool stopped
)
402 struct be_tx_stats
*stats
= tx_stats(adapter
);
404 stats
->be_tx_wrbs
+= wrb_cnt
;
405 stats
->be_tx_bytes
+= copied
;
406 stats
->be_tx_pkts
+= (gso_segs
? gso_segs
: 1);
408 stats
->be_tx_stops
++;
411 /* Determine number of WRB entries needed to xmit data in an skb */
412 static u32
wrb_cnt_for_skb(struct be_adapter
*adapter
, struct sk_buff
*skb
,
415 int cnt
= (skb
->len
> skb
->data_len
);
417 cnt
+= skb_shinfo(skb
)->nr_frags
;
419 /* to account for hdr wrb */
421 if (lancer_chip(adapter
) || !(cnt
& 1)) {
424 /* add a dummy to make it an even num */
428 BUG_ON(cnt
> BE_MAX_TX_FRAG_COUNT
);
432 static inline void wrb_fill(struct be_eth_wrb
*wrb
, u64 addr
, int len
)
434 wrb
->frag_pa_hi
= upper_32_bits(addr
);
435 wrb
->frag_pa_lo
= addr
& 0xFFFFFFFF;
436 wrb
->frag_len
= len
& ETH_WRB_FRAG_LEN_MASK
;
439 static void wrb_fill_hdr(struct be_adapter
*adapter
, struct be_eth_hdr_wrb
*hdr
,
440 struct sk_buff
*skb
, u32 wrb_cnt
, u32 len
)
445 memset(hdr
, 0, sizeof(*hdr
));
447 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, crc
, hdr
, 1);
449 if (skb_is_gso(skb
)) {
450 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, lso
, hdr
, 1);
451 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, lso_mss
,
452 hdr
, skb_shinfo(skb
)->gso_size
);
453 if (skb_is_gso_v6(skb
) && !lancer_chip(adapter
))
454 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, lso6
, hdr
, 1);
455 if (lancer_chip(adapter
) && adapter
->sli_family
==
456 LANCER_A0_SLI_FAMILY
) {
457 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, ipcs
, hdr
, 1);
459 AMAP_SET_BITS(struct amap_eth_hdr_wrb
,
461 else if (is_udp_pkt(skb
))
462 AMAP_SET_BITS(struct amap_eth_hdr_wrb
,
465 } else if (skb
->ip_summed
== CHECKSUM_PARTIAL
) {
467 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, tcpcs
, hdr
, 1);
468 else if (is_udp_pkt(skb
))
469 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, udpcs
, hdr
, 1);
472 if (adapter
->vlan_grp
&& vlan_tx_tag_present(skb
)) {
473 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, vlan
, hdr
, 1);
474 vlan_tag
= vlan_tx_tag_get(skb
);
475 vlan_prio
= (vlan_tag
& VLAN_PRIO_MASK
) >> VLAN_PRIO_SHIFT
;
476 /* If vlan priority provided by OS is NOT in available bmap */
477 if (!(adapter
->vlan_prio_bmap
& (1 << vlan_prio
)))
478 vlan_tag
= (vlan_tag
& ~VLAN_PRIO_MASK
) |
479 adapter
->recommended_prio
;
480 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, vlan_tag
, hdr
, vlan_tag
);
483 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, event
, hdr
, 1);
484 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, complete
, hdr
, 1);
485 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, num_wrb
, hdr
, wrb_cnt
);
486 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, len
, hdr
, len
);
489 static void unmap_tx_frag(struct device
*dev
, struct be_eth_wrb
*wrb
,
494 be_dws_le_to_cpu(wrb
, sizeof(*wrb
));
496 dma
= (u64
)wrb
->frag_pa_hi
<< 32 | (u64
)wrb
->frag_pa_lo
;
499 dma_unmap_single(dev
, dma
, wrb
->frag_len
,
502 dma_unmap_page(dev
, dma
, wrb
->frag_len
, DMA_TO_DEVICE
);
506 static int make_tx_wrbs(struct be_adapter
*adapter
,
507 struct sk_buff
*skb
, u32 wrb_cnt
, bool dummy_wrb
)
511 struct device
*dev
= &adapter
->pdev
->dev
;
512 struct sk_buff
*first_skb
= skb
;
513 struct be_queue_info
*txq
= &adapter
->tx_obj
.q
;
514 struct be_eth_wrb
*wrb
;
515 struct be_eth_hdr_wrb
*hdr
;
516 bool map_single
= false;
519 hdr
= queue_head_node(txq
);
521 map_head
= txq
->head
;
523 if (skb
->len
> skb
->data_len
) {
524 int len
= skb_headlen(skb
);
525 busaddr
= dma_map_single(dev
, skb
->data
, len
, DMA_TO_DEVICE
);
526 if (dma_mapping_error(dev
, busaddr
))
529 wrb
= queue_head_node(txq
);
530 wrb_fill(wrb
, busaddr
, len
);
531 be_dws_cpu_to_le(wrb
, sizeof(*wrb
));
536 for (i
= 0; i
< skb_shinfo(skb
)->nr_frags
; i
++) {
537 struct skb_frag_struct
*frag
=
538 &skb_shinfo(skb
)->frags
[i
];
539 busaddr
= dma_map_page(dev
, frag
->page
, frag
->page_offset
,
540 frag
->size
, DMA_TO_DEVICE
);
541 if (dma_mapping_error(dev
, busaddr
))
543 wrb
= queue_head_node(txq
);
544 wrb_fill(wrb
, busaddr
, frag
->size
);
545 be_dws_cpu_to_le(wrb
, sizeof(*wrb
));
547 copied
+= frag
->size
;
551 wrb
= queue_head_node(txq
);
553 be_dws_cpu_to_le(wrb
, sizeof(*wrb
));
557 wrb_fill_hdr(adapter
, hdr
, first_skb
, wrb_cnt
, copied
);
558 be_dws_cpu_to_le(hdr
, sizeof(*hdr
));
562 txq
->head
= map_head
;
564 wrb
= queue_head_node(txq
);
565 unmap_tx_frag(dev
, wrb
, map_single
);
567 copied
-= wrb
->frag_len
;
573 static netdev_tx_t
be_xmit(struct sk_buff
*skb
,
574 struct net_device
*netdev
)
576 struct be_adapter
*adapter
= netdev_priv(netdev
);
577 struct be_tx_obj
*tx_obj
= &adapter
->tx_obj
;
578 struct be_queue_info
*txq
= &tx_obj
->q
;
579 u32 wrb_cnt
= 0, copied
= 0;
580 u32 start
= txq
->head
;
581 bool dummy_wrb
, stopped
= false;
583 wrb_cnt
= wrb_cnt_for_skb(adapter
, skb
, &dummy_wrb
);
585 copied
= make_tx_wrbs(adapter
, skb
, wrb_cnt
, dummy_wrb
);
587 /* record the sent skb in the sent_skb table */
588 BUG_ON(tx_obj
->sent_skb_list
[start
]);
589 tx_obj
->sent_skb_list
[start
] = skb
;
591 /* Ensure txq has space for the next skb; Else stop the queue
592 * *BEFORE* ringing the tx doorbell, so that we serialze the
593 * tx compls of the current transmit which'll wake up the queue
595 atomic_add(wrb_cnt
, &txq
->used
);
596 if ((BE_MAX_TX_FRAG_COUNT
+ atomic_read(&txq
->used
)) >=
598 netif_stop_queue(netdev
);
602 be_txq_notify(adapter
, txq
->id
, wrb_cnt
);
604 be_tx_stats_update(adapter
, wrb_cnt
, copied
,
605 skb_shinfo(skb
)->gso_segs
, stopped
);
608 dev_kfree_skb_any(skb
);
613 static int be_change_mtu(struct net_device
*netdev
, int new_mtu
)
615 struct be_adapter
*adapter
= netdev_priv(netdev
);
616 if (new_mtu
< BE_MIN_MTU
||
617 new_mtu
> (BE_MAX_JUMBO_FRAME_SIZE
-
618 (ETH_HLEN
+ ETH_FCS_LEN
))) {
619 dev_info(&adapter
->pdev
->dev
,
620 "MTU must be between %d and %d bytes\n",
622 (BE_MAX_JUMBO_FRAME_SIZE
- (ETH_HLEN
+ ETH_FCS_LEN
)));
625 dev_info(&adapter
->pdev
->dev
, "MTU changed from %d to %d bytes\n",
626 netdev
->mtu
, new_mtu
);
627 netdev
->mtu
= new_mtu
;
632 * A max of 64 (BE_NUM_VLANS_SUPPORTED) vlans can be configured in BE.
633 * If the user configures more, place BE in vlan promiscuous mode.
635 static int be_vid_config(struct be_adapter
*adapter
, bool vf
, u32 vf_num
)
637 u16 vtag
[BE_NUM_VLANS_SUPPORTED
];
643 if_handle
= adapter
->vf_cfg
[vf_num
].vf_if_handle
;
644 vtag
[0] = cpu_to_le16(adapter
->vf_cfg
[vf_num
].vf_vlan_tag
);
645 status
= be_cmd_vlan_config(adapter
, if_handle
, vtag
, 1, 1, 0);
648 if (adapter
->vlans_added
<= adapter
->max_vlans
) {
649 /* Construct VLAN Table to give to HW */
650 for (i
= 0; i
< VLAN_N_VID
; i
++) {
651 if (adapter
->vlan_tag
[i
]) {
652 vtag
[ntags
] = cpu_to_le16(i
);
656 status
= be_cmd_vlan_config(adapter
, adapter
->if_handle
,
659 status
= be_cmd_vlan_config(adapter
, adapter
->if_handle
,
666 static void be_vlan_register(struct net_device
*netdev
, struct vlan_group
*grp
)
668 struct be_adapter
*adapter
= netdev_priv(netdev
);
670 adapter
->vlan_grp
= grp
;
673 static void be_vlan_add_vid(struct net_device
*netdev
, u16 vid
)
675 struct be_adapter
*adapter
= netdev_priv(netdev
);
677 adapter
->vlans_added
++;
678 if (!be_physfn(adapter
))
681 adapter
->vlan_tag
[vid
] = 1;
682 if (adapter
->vlans_added
<= (adapter
->max_vlans
+ 1))
683 be_vid_config(adapter
, false, 0);
686 static void be_vlan_rem_vid(struct net_device
*netdev
, u16 vid
)
688 struct be_adapter
*adapter
= netdev_priv(netdev
);
690 adapter
->vlans_added
--;
691 vlan_group_set_device(adapter
->vlan_grp
, vid
, NULL
);
693 if (!be_physfn(adapter
))
696 adapter
->vlan_tag
[vid
] = 0;
697 if (adapter
->vlans_added
<= adapter
->max_vlans
)
698 be_vid_config(adapter
, false, 0);
701 static void be_set_multicast_list(struct net_device
*netdev
)
703 struct be_adapter
*adapter
= netdev_priv(netdev
);
705 if (netdev
->flags
& IFF_PROMISC
) {
706 be_cmd_promiscuous_config(adapter
, adapter
->port_num
, 1);
707 adapter
->promiscuous
= true;
711 /* BE was previously in promiscous mode; disable it */
712 if (adapter
->promiscuous
) {
713 adapter
->promiscuous
= false;
714 be_cmd_promiscuous_config(adapter
, adapter
->port_num
, 0);
717 /* Enable multicast promisc if num configured exceeds what we support */
718 if (netdev
->flags
& IFF_ALLMULTI
||
719 netdev_mc_count(netdev
) > BE_MAX_MC
) {
720 be_cmd_multicast_set(adapter
, adapter
->if_handle
, NULL
,
721 &adapter
->mc_cmd_mem
);
725 be_cmd_multicast_set(adapter
, adapter
->if_handle
, netdev
,
726 &adapter
->mc_cmd_mem
);
731 static int be_set_vf_mac(struct net_device
*netdev
, int vf
, u8
*mac
)
733 struct be_adapter
*adapter
= netdev_priv(netdev
);
736 if (!adapter
->sriov_enabled
)
739 if (!is_valid_ether_addr(mac
) || (vf
>= num_vfs
))
742 if (adapter
->vf_cfg
[vf
].vf_pmac_id
!= BE_INVALID_PMAC_ID
)
743 status
= be_cmd_pmac_del(adapter
,
744 adapter
->vf_cfg
[vf
].vf_if_handle
,
745 adapter
->vf_cfg
[vf
].vf_pmac_id
, vf
+ 1);
747 status
= be_cmd_pmac_add(adapter
, mac
,
748 adapter
->vf_cfg
[vf
].vf_if_handle
,
749 &adapter
->vf_cfg
[vf
].vf_pmac_id
, vf
+ 1);
752 dev_err(&adapter
->pdev
->dev
, "MAC %pM set on VF %d Failed\n",
755 memcpy(adapter
->vf_cfg
[vf
].vf_mac_addr
, mac
, ETH_ALEN
);
760 static int be_get_vf_config(struct net_device
*netdev
, int vf
,
761 struct ifla_vf_info
*vi
)
763 struct be_adapter
*adapter
= netdev_priv(netdev
);
765 if (!adapter
->sriov_enabled
)
772 vi
->tx_rate
= adapter
->vf_cfg
[vf
].vf_tx_rate
;
773 vi
->vlan
= adapter
->vf_cfg
[vf
].vf_vlan_tag
;
775 memcpy(&vi
->mac
, adapter
->vf_cfg
[vf
].vf_mac_addr
, ETH_ALEN
);
780 static int be_set_vf_vlan(struct net_device
*netdev
,
781 int vf
, u16 vlan
, u8 qos
)
783 struct be_adapter
*adapter
= netdev_priv(netdev
);
786 if (!adapter
->sriov_enabled
)
789 if ((vf
>= num_vfs
) || (vlan
> 4095))
793 adapter
->vf_cfg
[vf
].vf_vlan_tag
= vlan
;
794 adapter
->vlans_added
++;
796 adapter
->vf_cfg
[vf
].vf_vlan_tag
= 0;
797 adapter
->vlans_added
--;
800 status
= be_vid_config(adapter
, true, vf
);
803 dev_info(&adapter
->pdev
->dev
,
804 "VLAN %d config on VF %d failed\n", vlan
, vf
);
808 static int be_set_vf_tx_rate(struct net_device
*netdev
,
811 struct be_adapter
*adapter
= netdev_priv(netdev
);
814 if (!adapter
->sriov_enabled
)
817 if ((vf
>= num_vfs
) || (rate
< 0))
823 adapter
->vf_cfg
[vf
].vf_tx_rate
= rate
;
824 status
= be_cmd_set_qos(adapter
, rate
/ 10, vf
+ 1);
827 dev_info(&adapter
->pdev
->dev
,
828 "tx rate %d on VF %d failed\n", rate
, vf
);
832 static void be_rx_rate_update(struct be_rx_obj
*rxo
)
834 struct be_rx_stats
*stats
= &rxo
->stats
;
838 if (time_before(now
, stats
->rx_jiffies
)) {
839 stats
->rx_jiffies
= now
;
843 /* Update the rate once in two seconds */
844 if ((now
- stats
->rx_jiffies
) < 2 * HZ
)
847 stats
->rx_rate
= be_calc_rate(stats
->rx_bytes
- stats
->rx_bytes_prev
,
848 now
- stats
->rx_jiffies
);
849 stats
->rx_jiffies
= now
;
850 stats
->rx_bytes_prev
= stats
->rx_bytes
;
853 static void be_rx_stats_update(struct be_rx_obj
*rxo
,
854 u32 pktsize
, u16 numfrags
, u8 pkt_type
)
856 struct be_rx_stats
*stats
= &rxo
->stats
;
859 stats
->rx_frags
+= numfrags
;
860 stats
->rx_bytes
+= pktsize
;
862 if (pkt_type
== BE_MULTICAST_PACKET
)
863 stats
->rx_mcast_pkts
++;
866 static inline bool csum_passed(struct be_eth_rx_compl
*rxcp
)
868 u8 l4_cksm
, ipv6
, ipcksm
, tcpf
, udpf
;
870 l4_cksm
= AMAP_GET_BITS(struct amap_eth_rx_compl
, l4_cksm
, rxcp
);
871 ipcksm
= AMAP_GET_BITS(struct amap_eth_rx_compl
, ipcksm
, rxcp
);
872 ipv6
= AMAP_GET_BITS(struct amap_eth_rx_compl
, ip_version
, rxcp
);
873 tcpf
= AMAP_GET_BITS(struct amap_eth_rx_compl
, tcpf
, rxcp
);
874 udpf
= AMAP_GET_BITS(struct amap_eth_rx_compl
, udpf
, rxcp
);
876 /* L4 checksum is not reliable for non TCP/UDP packets.
877 * Also ignore ipcksm for ipv6 pkts */
878 return (tcpf
|| udpf
) && l4_cksm
&& (ipcksm
|| ipv6
);
881 static struct be_rx_page_info
*
882 get_rx_page_info(struct be_adapter
*adapter
,
883 struct be_rx_obj
*rxo
,
886 struct be_rx_page_info
*rx_page_info
;
887 struct be_queue_info
*rxq
= &rxo
->q
;
889 rx_page_info
= &rxo
->page_info_tbl
[frag_idx
];
890 BUG_ON(!rx_page_info
->page
);
892 if (rx_page_info
->last_page_user
) {
893 dma_unmap_page(&adapter
->pdev
->dev
,
894 dma_unmap_addr(rx_page_info
, bus
),
895 adapter
->big_page_size
, DMA_FROM_DEVICE
);
896 rx_page_info
->last_page_user
= false;
899 atomic_dec(&rxq
->used
);
903 /* Throwaway the data in the Rx completion */
904 static void be_rx_compl_discard(struct be_adapter
*adapter
,
905 struct be_rx_obj
*rxo
,
906 struct be_eth_rx_compl
*rxcp
)
908 struct be_queue_info
*rxq
= &rxo
->q
;
909 struct be_rx_page_info
*page_info
;
910 u16 rxq_idx
, i
, num_rcvd
;
912 rxq_idx
= AMAP_GET_BITS(struct amap_eth_rx_compl
, fragndx
, rxcp
);
913 num_rcvd
= AMAP_GET_BITS(struct amap_eth_rx_compl
, numfrags
, rxcp
);
915 for (i
= 0; i
< num_rcvd
; i
++) {
916 page_info
= get_rx_page_info(adapter
, rxo
, rxq_idx
);
917 put_page(page_info
->page
);
918 memset(page_info
, 0, sizeof(*page_info
));
919 index_inc(&rxq_idx
, rxq
->len
);
924 * skb_fill_rx_data forms a complete skb for an ether frame
927 static void skb_fill_rx_data(struct be_adapter
*adapter
, struct be_rx_obj
*rxo
,
928 struct sk_buff
*skb
, struct be_eth_rx_compl
*rxcp
,
931 struct be_queue_info
*rxq
= &rxo
->q
;
932 struct be_rx_page_info
*page_info
;
934 u32 pktsize
, hdr_len
, curr_frag_len
, size
;
938 rxq_idx
= AMAP_GET_BITS(struct amap_eth_rx_compl
, fragndx
, rxcp
);
939 pktsize
= AMAP_GET_BITS(struct amap_eth_rx_compl
, pktsize
, rxcp
);
940 pkt_type
= AMAP_GET_BITS(struct amap_eth_rx_compl
, cast_enc
, rxcp
);
942 page_info
= get_rx_page_info(adapter
, rxo
, rxq_idx
);
944 start
= page_address(page_info
->page
) + page_info
->page_offset
;
947 /* Copy data in the first descriptor of this completion */
948 curr_frag_len
= min(pktsize
, rx_frag_size
);
950 /* Copy the header portion into skb_data */
951 hdr_len
= min((u32
)BE_HDR_LEN
, curr_frag_len
);
952 memcpy(skb
->data
, start
, hdr_len
);
953 skb
->len
= curr_frag_len
;
954 if (curr_frag_len
<= BE_HDR_LEN
) { /* tiny packet */
955 /* Complete packet has now been moved to data */
956 put_page(page_info
->page
);
958 skb
->tail
+= curr_frag_len
;
960 skb_shinfo(skb
)->nr_frags
= 1;
961 skb_shinfo(skb
)->frags
[0].page
= page_info
->page
;
962 skb_shinfo(skb
)->frags
[0].page_offset
=
963 page_info
->page_offset
+ hdr_len
;
964 skb_shinfo(skb
)->frags
[0].size
= curr_frag_len
- hdr_len
;
965 skb
->data_len
= curr_frag_len
- hdr_len
;
966 skb
->tail
+= hdr_len
;
968 page_info
->page
= NULL
;
970 if (pktsize
<= rx_frag_size
) {
971 BUG_ON(num_rcvd
!= 1);
975 /* More frags present for this completion */
977 for (i
= 1, j
= 0; i
< num_rcvd
; i
++) {
978 size
-= curr_frag_len
;
979 index_inc(&rxq_idx
, rxq
->len
);
980 page_info
= get_rx_page_info(adapter
, rxo
, rxq_idx
);
982 curr_frag_len
= min(size
, rx_frag_size
);
984 /* Coalesce all frags from the same physical page in one slot */
985 if (page_info
->page_offset
== 0) {
988 skb_shinfo(skb
)->frags
[j
].page
= page_info
->page
;
989 skb_shinfo(skb
)->frags
[j
].page_offset
=
990 page_info
->page_offset
;
991 skb_shinfo(skb
)->frags
[j
].size
= 0;
992 skb_shinfo(skb
)->nr_frags
++;
994 put_page(page_info
->page
);
997 skb_shinfo(skb
)->frags
[j
].size
+= curr_frag_len
;
998 skb
->len
+= curr_frag_len
;
999 skb
->data_len
+= curr_frag_len
;
1001 page_info
->page
= NULL
;
1003 BUG_ON(j
> MAX_SKB_FRAGS
);
1006 be_rx_stats_update(rxo
, pktsize
, num_rcvd
, pkt_type
);
1009 /* Process the RX completion indicated by rxcp when GRO is disabled */
1010 static void be_rx_compl_process(struct be_adapter
*adapter
,
1011 struct be_rx_obj
*rxo
,
1012 struct be_eth_rx_compl
*rxcp
)
1014 struct sk_buff
*skb
;
1019 num_rcvd
= AMAP_GET_BITS(struct amap_eth_rx_compl
, numfrags
, rxcp
);
1021 skb
= netdev_alloc_skb_ip_align(adapter
->netdev
, BE_HDR_LEN
);
1022 if (unlikely(!skb
)) {
1023 if (net_ratelimit())
1024 dev_warn(&adapter
->pdev
->dev
, "skb alloc failed\n");
1025 be_rx_compl_discard(adapter
, rxo
, rxcp
);
1029 skb_fill_rx_data(adapter
, rxo
, skb
, rxcp
, num_rcvd
);
1031 if (likely(adapter
->rx_csum
&& csum_passed(rxcp
)))
1032 skb
->ip_summed
= CHECKSUM_UNNECESSARY
;
1034 skb_checksum_none_assert(skb
);
1036 skb
->truesize
= skb
->len
+ sizeof(struct sk_buff
);
1037 skb
->protocol
= eth_type_trans(skb
, adapter
->netdev
);
1039 vlanf
= AMAP_GET_BITS(struct amap_eth_rx_compl
, vtp
, rxcp
);
1040 vtm
= AMAP_GET_BITS(struct amap_eth_rx_compl
, vtm
, rxcp
);
1042 /* vlanf could be wrongly set in some cards.
1043 * ignore if vtm is not set */
1044 if ((adapter
->function_mode
& 0x400) && !vtm
)
1047 if ((adapter
->pvid
== vlanf
) && !adapter
->vlan_tag
[vlanf
])
1050 if (unlikely(vlanf
)) {
1051 if (!adapter
->vlan_grp
|| adapter
->vlans_added
== 0) {
1055 vid
= AMAP_GET_BITS(struct amap_eth_rx_compl
, vlan_tag
, rxcp
);
1056 if (!lancer_chip(adapter
))
1058 vlan_hwaccel_receive_skb(skb
, adapter
->vlan_grp
, vid
);
1060 netif_receive_skb(skb
);
1064 /* Process the RX completion indicated by rxcp when GRO is enabled */
1065 static void be_rx_compl_process_gro(struct be_adapter
*adapter
,
1066 struct be_rx_obj
*rxo
,
1067 struct be_eth_rx_compl
*rxcp
)
1069 struct be_rx_page_info
*page_info
;
1070 struct sk_buff
*skb
= NULL
;
1071 struct be_queue_info
*rxq
= &rxo
->q
;
1072 struct be_eq_obj
*eq_obj
= &rxo
->rx_eq
;
1073 u32 num_rcvd
, pkt_size
, remaining
, vlanf
, curr_frag_len
;
1074 u16 i
, rxq_idx
= 0, vid
, j
;
1078 num_rcvd
= AMAP_GET_BITS(struct amap_eth_rx_compl
, numfrags
, rxcp
);
1079 pkt_size
= AMAP_GET_BITS(struct amap_eth_rx_compl
, pktsize
, rxcp
);
1080 vlanf
= AMAP_GET_BITS(struct amap_eth_rx_compl
, vtp
, rxcp
);
1081 rxq_idx
= AMAP_GET_BITS(struct amap_eth_rx_compl
, fragndx
, rxcp
);
1082 vtm
= AMAP_GET_BITS(struct amap_eth_rx_compl
, vtm
, rxcp
);
1083 pkt_type
= AMAP_GET_BITS(struct amap_eth_rx_compl
, cast_enc
, rxcp
);
1085 /* vlanf could be wrongly set in some cards.
1086 * ignore if vtm is not set */
1087 if ((adapter
->function_mode
& 0x400) && !vtm
)
1090 if ((adapter
->pvid
== vlanf
) && !adapter
->vlan_tag
[vlanf
])
1093 skb
= napi_get_frags(&eq_obj
->napi
);
1095 be_rx_compl_discard(adapter
, rxo
, rxcp
);
1099 remaining
= pkt_size
;
1100 for (i
= 0, j
= -1; i
< num_rcvd
; i
++) {
1101 page_info
= get_rx_page_info(adapter
, rxo
, rxq_idx
);
1103 curr_frag_len
= min(remaining
, rx_frag_size
);
1105 /* Coalesce all frags from the same physical page in one slot */
1106 if (i
== 0 || page_info
->page_offset
== 0) {
1107 /* First frag or Fresh page */
1109 skb_shinfo(skb
)->frags
[j
].page
= page_info
->page
;
1110 skb_shinfo(skb
)->frags
[j
].page_offset
=
1111 page_info
->page_offset
;
1112 skb_shinfo(skb
)->frags
[j
].size
= 0;
1114 put_page(page_info
->page
);
1116 skb_shinfo(skb
)->frags
[j
].size
+= curr_frag_len
;
1118 remaining
-= curr_frag_len
;
1119 index_inc(&rxq_idx
, rxq
->len
);
1120 memset(page_info
, 0, sizeof(*page_info
));
1122 BUG_ON(j
> MAX_SKB_FRAGS
);
1124 skb_shinfo(skb
)->nr_frags
= j
+ 1;
1125 skb
->len
= pkt_size
;
1126 skb
->data_len
= pkt_size
;
1127 skb
->truesize
+= pkt_size
;
1128 skb
->ip_summed
= CHECKSUM_UNNECESSARY
;
1130 if (likely(!vlanf
)) {
1131 napi_gro_frags(&eq_obj
->napi
);
1133 vid
= AMAP_GET_BITS(struct amap_eth_rx_compl
, vlan_tag
, rxcp
);
1134 if (!lancer_chip(adapter
))
1137 if (!adapter
->vlan_grp
|| adapter
->vlans_added
== 0)
1140 vlan_gro_frags(&eq_obj
->napi
, adapter
->vlan_grp
, vid
);
1143 be_rx_stats_update(rxo
, pkt_size
, num_rcvd
, pkt_type
);
1146 static struct be_eth_rx_compl
*be_rx_compl_get(struct be_rx_obj
*rxo
)
1148 struct be_eth_rx_compl
*rxcp
= queue_tail_node(&rxo
->cq
);
1150 if (rxcp
->dw
[offsetof(struct amap_eth_rx_compl
, valid
) / 32] == 0)
1154 be_dws_le_to_cpu(rxcp
, sizeof(*rxcp
));
1156 queue_tail_inc(&rxo
->cq
);
1160 /* To reset the valid bit, we need to reset the whole word as
1161 * when walking the queue the valid entries are little-endian
1162 * and invalid entries are host endian
1164 static inline void be_rx_compl_reset(struct be_eth_rx_compl
*rxcp
)
1166 rxcp
->dw
[offsetof(struct amap_eth_rx_compl
, valid
) / 32] = 0;
1169 static inline struct page
*be_alloc_pages(u32 size
, gfp_t gfp
)
1171 u32 order
= get_order(size
);
1175 return alloc_pages(gfp
, order
);
1179 * Allocate a page, split it to fragments of size rx_frag_size and post as
1180 * receive buffers to BE
1182 static void be_post_rx_frags(struct be_rx_obj
*rxo
, gfp_t gfp
)
1184 struct be_adapter
*adapter
= rxo
->adapter
;
1185 struct be_rx_page_info
*page_info_tbl
= rxo
->page_info_tbl
;
1186 struct be_rx_page_info
*page_info
= NULL
, *prev_page_info
= NULL
;
1187 struct be_queue_info
*rxq
= &rxo
->q
;
1188 struct page
*pagep
= NULL
;
1189 struct be_eth_rx_d
*rxd
;
1190 u64 page_dmaaddr
= 0, frag_dmaaddr
;
1191 u32 posted
, page_offset
= 0;
1193 page_info
= &rxo
->page_info_tbl
[rxq
->head
];
1194 for (posted
= 0; posted
< MAX_RX_POST
&& !page_info
->page
; posted
++) {
1196 pagep
= be_alloc_pages(adapter
->big_page_size
, gfp
);
1197 if (unlikely(!pagep
)) {
1198 rxo
->stats
.rx_post_fail
++;
1201 page_dmaaddr
= dma_map_page(&adapter
->pdev
->dev
, pagep
,
1202 0, adapter
->big_page_size
,
1204 page_info
->page_offset
= 0;
1207 page_info
->page_offset
= page_offset
+ rx_frag_size
;
1209 page_offset
= page_info
->page_offset
;
1210 page_info
->page
= pagep
;
1211 dma_unmap_addr_set(page_info
, bus
, page_dmaaddr
);
1212 frag_dmaaddr
= page_dmaaddr
+ page_info
->page_offset
;
1214 rxd
= queue_head_node(rxq
);
1215 rxd
->fragpa_lo
= cpu_to_le32(frag_dmaaddr
& 0xFFFFFFFF);
1216 rxd
->fragpa_hi
= cpu_to_le32(upper_32_bits(frag_dmaaddr
));
1218 /* Any space left in the current big page for another frag? */
1219 if ((page_offset
+ rx_frag_size
+ rx_frag_size
) >
1220 adapter
->big_page_size
) {
1222 page_info
->last_page_user
= true;
1225 prev_page_info
= page_info
;
1226 queue_head_inc(rxq
);
1227 page_info
= &page_info_tbl
[rxq
->head
];
1230 prev_page_info
->last_page_user
= true;
1233 atomic_add(posted
, &rxq
->used
);
1234 be_rxq_notify(adapter
, rxq
->id
, posted
);
1235 } else if (atomic_read(&rxq
->used
) == 0) {
1236 /* Let be_worker replenish when memory is available */
1237 rxo
->rx_post_starved
= true;
1241 static struct be_eth_tx_compl
*be_tx_compl_get(struct be_queue_info
*tx_cq
)
1243 struct be_eth_tx_compl
*txcp
= queue_tail_node(tx_cq
);
1245 if (txcp
->dw
[offsetof(struct amap_eth_tx_compl
, valid
) / 32] == 0)
1249 be_dws_le_to_cpu(txcp
, sizeof(*txcp
));
1251 txcp
->dw
[offsetof(struct amap_eth_tx_compl
, valid
) / 32] = 0;
1253 queue_tail_inc(tx_cq
);
1257 static void be_tx_compl_process(struct be_adapter
*adapter
, u16 last_index
)
1259 struct be_queue_info
*txq
= &adapter
->tx_obj
.q
;
1260 struct be_eth_wrb
*wrb
;
1261 struct sk_buff
**sent_skbs
= adapter
->tx_obj
.sent_skb_list
;
1262 struct sk_buff
*sent_skb
;
1263 u16 cur_index
, num_wrbs
= 1; /* account for hdr wrb */
1264 bool unmap_skb_hdr
= true;
1266 sent_skb
= sent_skbs
[txq
->tail
];
1268 sent_skbs
[txq
->tail
] = NULL
;
1270 /* skip header wrb */
1271 queue_tail_inc(txq
);
1274 cur_index
= txq
->tail
;
1275 wrb
= queue_tail_node(txq
);
1276 unmap_tx_frag(&adapter
->pdev
->dev
, wrb
,
1277 (unmap_skb_hdr
&& skb_headlen(sent_skb
)));
1278 unmap_skb_hdr
= false;
1281 queue_tail_inc(txq
);
1282 } while (cur_index
!= last_index
);
1284 atomic_sub(num_wrbs
, &txq
->used
);
1286 kfree_skb(sent_skb
);
1289 static inline struct be_eq_entry
*event_get(struct be_eq_obj
*eq_obj
)
1291 struct be_eq_entry
*eqe
= queue_tail_node(&eq_obj
->q
);
1297 eqe
->evt
= le32_to_cpu(eqe
->evt
);
1298 queue_tail_inc(&eq_obj
->q
);
1302 static int event_handle(struct be_adapter
*adapter
,
1303 struct be_eq_obj
*eq_obj
)
1305 struct be_eq_entry
*eqe
;
1308 while ((eqe
= event_get(eq_obj
)) != NULL
) {
1313 /* Deal with any spurious interrupts that come
1316 be_eq_notify(adapter
, eq_obj
->q
.id
, true, true, num
);
1318 napi_schedule(&eq_obj
->napi
);
1323 /* Just read and notify events without processing them.
1324 * Used at the time of destroying event queues */
1325 static void be_eq_clean(struct be_adapter
*adapter
,
1326 struct be_eq_obj
*eq_obj
)
1328 struct be_eq_entry
*eqe
;
1331 while ((eqe
= event_get(eq_obj
)) != NULL
) {
1337 be_eq_notify(adapter
, eq_obj
->q
.id
, false, true, num
);
1340 static void be_rx_q_clean(struct be_adapter
*adapter
, struct be_rx_obj
*rxo
)
1342 struct be_rx_page_info
*page_info
;
1343 struct be_queue_info
*rxq
= &rxo
->q
;
1344 struct be_queue_info
*rx_cq
= &rxo
->cq
;
1345 struct be_eth_rx_compl
*rxcp
;
1348 /* First cleanup pending rx completions */
1349 while ((rxcp
= be_rx_compl_get(rxo
)) != NULL
) {
1350 be_rx_compl_discard(adapter
, rxo
, rxcp
);
1351 be_rx_compl_reset(rxcp
);
1352 be_cq_notify(adapter
, rx_cq
->id
, false, 1);
1355 /* Then free posted rx buffer that were not used */
1356 tail
= (rxq
->head
+ rxq
->len
- atomic_read(&rxq
->used
)) % rxq
->len
;
1357 for (; atomic_read(&rxq
->used
) > 0; index_inc(&tail
, rxq
->len
)) {
1358 page_info
= get_rx_page_info(adapter
, rxo
, tail
);
1359 put_page(page_info
->page
);
1360 memset(page_info
, 0, sizeof(*page_info
));
1362 BUG_ON(atomic_read(&rxq
->used
));
1365 static void be_tx_compl_clean(struct be_adapter
*adapter
)
1367 struct be_queue_info
*tx_cq
= &adapter
->tx_obj
.cq
;
1368 struct be_queue_info
*txq
= &adapter
->tx_obj
.q
;
1369 struct be_eth_tx_compl
*txcp
;
1370 u16 end_idx
, cmpl
= 0, timeo
= 0;
1371 struct sk_buff
**sent_skbs
= adapter
->tx_obj
.sent_skb_list
;
1372 struct sk_buff
*sent_skb
;
1375 /* Wait for a max of 200ms for all the tx-completions to arrive. */
1377 while ((txcp
= be_tx_compl_get(tx_cq
))) {
1378 end_idx
= AMAP_GET_BITS(struct amap_eth_tx_compl
,
1380 be_tx_compl_process(adapter
, end_idx
);
1384 be_cq_notify(adapter
, tx_cq
->id
, false, cmpl
);
1388 if (atomic_read(&txq
->used
) == 0 || ++timeo
> 200)
1394 if (atomic_read(&txq
->used
))
1395 dev_err(&adapter
->pdev
->dev
, "%d pending tx-completions\n",
1396 atomic_read(&txq
->used
));
1398 /* free posted tx for which compls will never arrive */
1399 while (atomic_read(&txq
->used
)) {
1400 sent_skb
= sent_skbs
[txq
->tail
];
1401 end_idx
= txq
->tail
;
1403 wrb_cnt_for_skb(adapter
, sent_skb
, &dummy_wrb
) - 1,
1405 be_tx_compl_process(adapter
, end_idx
);
1409 static void be_mcc_queues_destroy(struct be_adapter
*adapter
)
1411 struct be_queue_info
*q
;
1413 q
= &adapter
->mcc_obj
.q
;
1415 be_cmd_q_destroy(adapter
, q
, QTYPE_MCCQ
);
1416 be_queue_free(adapter
, q
);
1418 q
= &adapter
->mcc_obj
.cq
;
1420 be_cmd_q_destroy(adapter
, q
, QTYPE_CQ
);
1421 be_queue_free(adapter
, q
);
1424 /* Must be called only after TX qs are created as MCC shares TX EQ */
1425 static int be_mcc_queues_create(struct be_adapter
*adapter
)
1427 struct be_queue_info
*q
, *cq
;
1429 /* Alloc MCC compl queue */
1430 cq
= &adapter
->mcc_obj
.cq
;
1431 if (be_queue_alloc(adapter
, cq
, MCC_CQ_LEN
,
1432 sizeof(struct be_mcc_compl
)))
1435 /* Ask BE to create MCC compl queue; share TX's eq */
1436 if (be_cmd_cq_create(adapter
, cq
, &adapter
->tx_eq
.q
, false, true, 0))
1439 /* Alloc MCC queue */
1440 q
= &adapter
->mcc_obj
.q
;
1441 if (be_queue_alloc(adapter
, q
, MCC_Q_LEN
, sizeof(struct be_mcc_wrb
)))
1442 goto mcc_cq_destroy
;
1444 /* Ask BE to create MCC queue */
1445 if (be_cmd_mccq_create(adapter
, q
, cq
))
1451 be_queue_free(adapter
, q
);
1453 be_cmd_q_destroy(adapter
, cq
, QTYPE_CQ
);
1455 be_queue_free(adapter
, cq
);
1460 static void be_tx_queues_destroy(struct be_adapter
*adapter
)
1462 struct be_queue_info
*q
;
1464 q
= &adapter
->tx_obj
.q
;
1466 be_cmd_q_destroy(adapter
, q
, QTYPE_TXQ
);
1467 be_queue_free(adapter
, q
);
1469 q
= &adapter
->tx_obj
.cq
;
1471 be_cmd_q_destroy(adapter
, q
, QTYPE_CQ
);
1472 be_queue_free(adapter
, q
);
1474 /* Clear any residual events */
1475 be_eq_clean(adapter
, &adapter
->tx_eq
);
1477 q
= &adapter
->tx_eq
.q
;
1479 be_cmd_q_destroy(adapter
, q
, QTYPE_EQ
);
1480 be_queue_free(adapter
, q
);
1483 static int be_tx_queues_create(struct be_adapter
*adapter
)
1485 struct be_queue_info
*eq
, *q
, *cq
;
1487 adapter
->tx_eq
.max_eqd
= 0;
1488 adapter
->tx_eq
.min_eqd
= 0;
1489 adapter
->tx_eq
.cur_eqd
= 96;
1490 adapter
->tx_eq
.enable_aic
= false;
1491 /* Alloc Tx Event queue */
1492 eq
= &adapter
->tx_eq
.q
;
1493 if (be_queue_alloc(adapter
, eq
, EVNT_Q_LEN
, sizeof(struct be_eq_entry
)))
1496 /* Ask BE to create Tx Event queue */
1497 if (be_cmd_eq_create(adapter
, eq
, adapter
->tx_eq
.cur_eqd
))
1500 adapter
->tx_eq
.msix_vec_idx
= adapter
->msix_vec_next_idx
++;
1503 /* Alloc TX eth compl queue */
1504 cq
= &adapter
->tx_obj
.cq
;
1505 if (be_queue_alloc(adapter
, cq
, TX_CQ_LEN
,
1506 sizeof(struct be_eth_tx_compl
)))
1509 /* Ask BE to create Tx eth compl queue */
1510 if (be_cmd_cq_create(adapter
, cq
, eq
, false, false, 3))
1513 /* Alloc TX eth queue */
1514 q
= &adapter
->tx_obj
.q
;
1515 if (be_queue_alloc(adapter
, q
, TX_Q_LEN
, sizeof(struct be_eth_wrb
)))
1518 /* Ask BE to create Tx eth queue */
1519 if (be_cmd_txq_create(adapter
, q
, cq
))
1524 be_queue_free(adapter
, q
);
1526 be_cmd_q_destroy(adapter
, cq
, QTYPE_CQ
);
1528 be_queue_free(adapter
, cq
);
1530 be_cmd_q_destroy(adapter
, eq
, QTYPE_EQ
);
1532 be_queue_free(adapter
, eq
);
1536 static void be_rx_queues_destroy(struct be_adapter
*adapter
)
1538 struct be_queue_info
*q
;
1539 struct be_rx_obj
*rxo
;
1542 for_all_rx_queues(adapter
, rxo
, i
) {
1545 be_cmd_q_destroy(adapter
, q
, QTYPE_RXQ
);
1546 /* After the rxq is invalidated, wait for a grace time
1547 * of 1ms for all dma to end and the flush compl to
1551 be_rx_q_clean(adapter
, rxo
);
1553 be_queue_free(adapter
, q
);
1557 be_cmd_q_destroy(adapter
, q
, QTYPE_CQ
);
1558 be_queue_free(adapter
, q
);
1560 /* Clear any residual events */
1563 be_eq_clean(adapter
, &rxo
->rx_eq
);
1564 be_cmd_q_destroy(adapter
, q
, QTYPE_EQ
);
1566 be_queue_free(adapter
, q
);
1570 static int be_rx_queues_create(struct be_adapter
*adapter
)
1572 struct be_queue_info
*eq
, *q
, *cq
;
1573 struct be_rx_obj
*rxo
;
1576 adapter
->big_page_size
= (1 << get_order(rx_frag_size
)) * PAGE_SIZE
;
1577 for_all_rx_queues(adapter
, rxo
, i
) {
1578 rxo
->adapter
= adapter
;
1579 rxo
->rx_eq
.max_eqd
= BE_MAX_EQD
;
1580 rxo
->rx_eq
.enable_aic
= true;
1584 rc
= be_queue_alloc(adapter
, eq
, EVNT_Q_LEN
,
1585 sizeof(struct be_eq_entry
));
1589 rc
= be_cmd_eq_create(adapter
, eq
, rxo
->rx_eq
.cur_eqd
);
1593 rxo
->rx_eq
.msix_vec_idx
= adapter
->msix_vec_next_idx
++;
1597 rc
= be_queue_alloc(adapter
, cq
, RX_CQ_LEN
,
1598 sizeof(struct be_eth_rx_compl
));
1602 rc
= be_cmd_cq_create(adapter
, cq
, eq
, false, false, 3);
1607 rc
= be_queue_alloc(adapter
, q
, RX_Q_LEN
,
1608 sizeof(struct be_eth_rx_d
));
1612 rc
= be_cmd_rxq_create(adapter
, q
, cq
->id
, rx_frag_size
,
1613 BE_MAX_JUMBO_FRAME_SIZE
, adapter
->if_handle
,
1614 (i
> 0) ? 1 : 0/* rss enable */, &rxo
->rss_id
);
1619 if (be_multi_rxq(adapter
)) {
1620 u8 rsstable
[MAX_RSS_QS
];
1622 for_all_rss_queues(adapter
, rxo
, i
)
1623 rsstable
[i
] = rxo
->rss_id
;
1625 rc
= be_cmd_rss_config(adapter
, rsstable
,
1626 adapter
->num_rx_qs
- 1);
1633 be_rx_queues_destroy(adapter
);
1637 static bool event_peek(struct be_eq_obj
*eq_obj
)
1639 struct be_eq_entry
*eqe
= queue_tail_node(&eq_obj
->q
);
1646 static irqreturn_t
be_intx(int irq
, void *dev
)
1648 struct be_adapter
*adapter
= dev
;
1649 struct be_rx_obj
*rxo
;
1650 int isr
, i
, tx
= 0 , rx
= 0;
1652 if (lancer_chip(adapter
)) {
1653 if (event_peek(&adapter
->tx_eq
))
1654 tx
= event_handle(adapter
, &adapter
->tx_eq
);
1655 for_all_rx_queues(adapter
, rxo
, i
) {
1656 if (event_peek(&rxo
->rx_eq
))
1657 rx
|= event_handle(adapter
, &rxo
->rx_eq
);
1664 isr
= ioread32(adapter
->csr
+ CEV_ISR0_OFFSET
+
1665 (adapter
->tx_eq
.q
.id
/ 8) * CEV_ISR_SIZE
);
1669 if ((1 << adapter
->tx_eq
.msix_vec_idx
& isr
))
1670 event_handle(adapter
, &adapter
->tx_eq
);
1672 for_all_rx_queues(adapter
, rxo
, i
) {
1673 if ((1 << rxo
->rx_eq
.msix_vec_idx
& isr
))
1674 event_handle(adapter
, &rxo
->rx_eq
);
1681 static irqreturn_t
be_msix_rx(int irq
, void *dev
)
1683 struct be_rx_obj
*rxo
= dev
;
1684 struct be_adapter
*adapter
= rxo
->adapter
;
1686 event_handle(adapter
, &rxo
->rx_eq
);
1691 static irqreturn_t
be_msix_tx_mcc(int irq
, void *dev
)
1693 struct be_adapter
*adapter
= dev
;
1695 event_handle(adapter
, &adapter
->tx_eq
);
1700 static inline bool do_gro(struct be_rx_obj
*rxo
,
1701 struct be_eth_rx_compl
*rxcp
, u8 err
)
1703 int tcp_frame
= AMAP_GET_BITS(struct amap_eth_rx_compl
, tcpf
, rxcp
);
1706 rxo
->stats
.rxcp_err
++;
1708 return (tcp_frame
&& !err
) ? true : false;
1711 static int be_poll_rx(struct napi_struct
*napi
, int budget
)
1713 struct be_eq_obj
*rx_eq
= container_of(napi
, struct be_eq_obj
, napi
);
1714 struct be_rx_obj
*rxo
= container_of(rx_eq
, struct be_rx_obj
, rx_eq
);
1715 struct be_adapter
*adapter
= rxo
->adapter
;
1716 struct be_queue_info
*rx_cq
= &rxo
->cq
;
1717 struct be_eth_rx_compl
*rxcp
;
1722 rxo
->stats
.rx_polls
++;
1723 for (work_done
= 0; work_done
< budget
; work_done
++) {
1724 rxcp
= be_rx_compl_get(rxo
);
1728 err
= AMAP_GET_BITS(struct amap_eth_rx_compl
, err
, rxcp
);
1729 num_rcvd
= AMAP_GET_BITS(struct amap_eth_rx_compl
, numfrags
,
1731 /* Ignore flush completions */
1733 if (do_gro(rxo
, rxcp
, err
))
1734 be_rx_compl_process_gro(adapter
, rxo
, rxcp
);
1736 be_rx_compl_process(adapter
, rxo
, rxcp
);
1739 be_rx_compl_reset(rxcp
);
1742 /* Refill the queue */
1743 if (atomic_read(&rxo
->q
.used
) < RX_FRAGS_REFILL_WM
)
1744 be_post_rx_frags(rxo
, GFP_ATOMIC
);
1747 if (work_done
< budget
) {
1748 napi_complete(napi
);
1749 be_cq_notify(adapter
, rx_cq
->id
, true, work_done
);
1751 /* More to be consumed; continue with interrupts disabled */
1752 be_cq_notify(adapter
, rx_cq
->id
, false, work_done
);
1757 /* As TX and MCC share the same EQ check for both TX and MCC completions.
1758 * For TX/MCC we don't honour budget; consume everything
1760 static int be_poll_tx_mcc(struct napi_struct
*napi
, int budget
)
1762 struct be_eq_obj
*tx_eq
= container_of(napi
, struct be_eq_obj
, napi
);
1763 struct be_adapter
*adapter
=
1764 container_of(tx_eq
, struct be_adapter
, tx_eq
);
1765 struct be_queue_info
*txq
= &adapter
->tx_obj
.q
;
1766 struct be_queue_info
*tx_cq
= &adapter
->tx_obj
.cq
;
1767 struct be_eth_tx_compl
*txcp
;
1768 int tx_compl
= 0, mcc_compl
, status
= 0;
1771 while ((txcp
= be_tx_compl_get(tx_cq
))) {
1772 end_idx
= AMAP_GET_BITS(struct amap_eth_tx_compl
,
1774 be_tx_compl_process(adapter
, end_idx
);
1778 mcc_compl
= be_process_mcc(adapter
, &status
);
1780 napi_complete(napi
);
1783 struct be_mcc_obj
*mcc_obj
= &adapter
->mcc_obj
;
1784 be_cq_notify(adapter
, mcc_obj
->cq
.id
, true, mcc_compl
);
1788 be_cq_notify(adapter
, adapter
->tx_obj
.cq
.id
, true, tx_compl
);
1790 /* As Tx wrbs have been freed up, wake up netdev queue if
1791 * it was stopped due to lack of tx wrbs.
1793 if (netif_queue_stopped(adapter
->netdev
) &&
1794 atomic_read(&txq
->used
) < txq
->len
/ 2) {
1795 netif_wake_queue(adapter
->netdev
);
1798 tx_stats(adapter
)->be_tx_events
++;
1799 tx_stats(adapter
)->be_tx_compl
+= tx_compl
;
1805 void be_detect_dump_ue(struct be_adapter
*adapter
)
1807 u32 ue_status_lo
, ue_status_hi
, ue_status_lo_mask
, ue_status_hi_mask
;
1810 pci_read_config_dword(adapter
->pdev
,
1811 PCICFG_UE_STATUS_LOW
, &ue_status_lo
);
1812 pci_read_config_dword(adapter
->pdev
,
1813 PCICFG_UE_STATUS_HIGH
, &ue_status_hi
);
1814 pci_read_config_dword(adapter
->pdev
,
1815 PCICFG_UE_STATUS_LOW_MASK
, &ue_status_lo_mask
);
1816 pci_read_config_dword(adapter
->pdev
,
1817 PCICFG_UE_STATUS_HI_MASK
, &ue_status_hi_mask
);
1819 ue_status_lo
= (ue_status_lo
& (~ue_status_lo_mask
));
1820 ue_status_hi
= (ue_status_hi
& (~ue_status_hi_mask
));
1822 if (ue_status_lo
|| ue_status_hi
) {
1823 adapter
->ue_detected
= true;
1824 adapter
->eeh_err
= true;
1825 dev_err(&adapter
->pdev
->dev
, "UE Detected!!\n");
1829 for (i
= 0; ue_status_lo
; ue_status_lo
>>= 1, i
++) {
1830 if (ue_status_lo
& 1)
1831 dev_err(&adapter
->pdev
->dev
,
1832 "UE: %s bit set\n", ue_status_low_desc
[i
]);
1836 for (i
= 0; ue_status_hi
; ue_status_hi
>>= 1, i
++) {
1837 if (ue_status_hi
& 1)
1838 dev_err(&adapter
->pdev
->dev
,
1839 "UE: %s bit set\n", ue_status_hi_desc
[i
]);
1845 static void be_worker(struct work_struct
*work
)
1847 struct be_adapter
*adapter
=
1848 container_of(work
, struct be_adapter
, work
.work
);
1849 struct be_rx_obj
*rxo
;
1852 /* when interrupts are not yet enabled, just reap any pending
1853 * mcc completions */
1854 if (!netif_running(adapter
->netdev
)) {
1855 int mcc_compl
, status
= 0;
1857 mcc_compl
= be_process_mcc(adapter
, &status
);
1860 struct be_mcc_obj
*mcc_obj
= &adapter
->mcc_obj
;
1861 be_cq_notify(adapter
, mcc_obj
->cq
.id
, false, mcc_compl
);
1864 if (!adapter
->ue_detected
&& !lancer_chip(adapter
))
1865 be_detect_dump_ue(adapter
);
1870 if (!adapter
->stats_cmd_sent
)
1871 be_cmd_get_stats(adapter
, &adapter
->stats_cmd
);
1873 be_tx_rate_update(adapter
);
1875 for_all_rx_queues(adapter
, rxo
, i
) {
1876 be_rx_rate_update(rxo
);
1877 be_rx_eqd_update(adapter
, rxo
);
1879 if (rxo
->rx_post_starved
) {
1880 rxo
->rx_post_starved
= false;
1881 be_post_rx_frags(rxo
, GFP_KERNEL
);
1884 if (!adapter
->ue_detected
&& !lancer_chip(adapter
))
1885 be_detect_dump_ue(adapter
);
1888 schedule_delayed_work(&adapter
->work
, msecs_to_jiffies(1000));
1891 static void be_msix_disable(struct be_adapter
*adapter
)
1893 if (adapter
->msix_enabled
) {
1894 pci_disable_msix(adapter
->pdev
);
1895 adapter
->msix_enabled
= false;
1899 static int be_num_rxqs_get(struct be_adapter
*adapter
)
1901 if (multi_rxq
&& (adapter
->function_caps
& BE_FUNCTION_CAPS_RSS
) &&
1902 !adapter
->sriov_enabled
&& !(adapter
->function_mode
& 0x400)) {
1903 return 1 + MAX_RSS_QS
; /* one default non-RSS queue */
1905 dev_warn(&adapter
->pdev
->dev
,
1906 "No support for multiple RX queues\n");
1911 static void be_msix_enable(struct be_adapter
*adapter
)
1913 #define BE_MIN_MSIX_VECTORS (1 + 1) /* Rx + Tx */
1916 adapter
->num_rx_qs
= be_num_rxqs_get(adapter
);
1918 for (i
= 0; i
< (adapter
->num_rx_qs
+ 1); i
++)
1919 adapter
->msix_entries
[i
].entry
= i
;
1921 status
= pci_enable_msix(adapter
->pdev
, adapter
->msix_entries
,
1922 adapter
->num_rx_qs
+ 1);
1925 } else if (status
>= BE_MIN_MSIX_VECTORS
) {
1926 if (pci_enable_msix(adapter
->pdev
, adapter
->msix_entries
,
1928 adapter
->num_rx_qs
= status
- 1;
1929 dev_warn(&adapter
->pdev
->dev
,
1930 "Could alloc only %d MSIx vectors. "
1931 "Using %d RX Qs\n", status
, adapter
->num_rx_qs
);
1937 adapter
->msix_enabled
= true;
1940 static void be_sriov_enable(struct be_adapter
*adapter
)
1942 be_check_sriov_fn_type(adapter
);
1943 #ifdef CONFIG_PCI_IOV
1944 if (be_physfn(adapter
) && num_vfs
) {
1947 status
= pci_enable_sriov(adapter
->pdev
, num_vfs
);
1948 adapter
->sriov_enabled
= status
? false : true;
1953 static void be_sriov_disable(struct be_adapter
*adapter
)
1955 #ifdef CONFIG_PCI_IOV
1956 if (adapter
->sriov_enabled
) {
1957 pci_disable_sriov(adapter
->pdev
);
1958 adapter
->sriov_enabled
= false;
1963 static inline int be_msix_vec_get(struct be_adapter
*adapter
,
1964 struct be_eq_obj
*eq_obj
)
1966 return adapter
->msix_entries
[eq_obj
->msix_vec_idx
].vector
;
1969 static int be_request_irq(struct be_adapter
*adapter
,
1970 struct be_eq_obj
*eq_obj
,
1971 void *handler
, char *desc
, void *context
)
1973 struct net_device
*netdev
= adapter
->netdev
;
1976 sprintf(eq_obj
->desc
, "%s-%s", netdev
->name
, desc
);
1977 vec
= be_msix_vec_get(adapter
, eq_obj
);
1978 return request_irq(vec
, handler
, 0, eq_obj
->desc
, context
);
1981 static void be_free_irq(struct be_adapter
*adapter
, struct be_eq_obj
*eq_obj
,
1984 int vec
= be_msix_vec_get(adapter
, eq_obj
);
1985 free_irq(vec
, context
);
1988 static int be_msix_register(struct be_adapter
*adapter
)
1990 struct be_rx_obj
*rxo
;
1994 status
= be_request_irq(adapter
, &adapter
->tx_eq
, be_msix_tx_mcc
, "tx",
1999 for_all_rx_queues(adapter
, rxo
, i
) {
2000 sprintf(qname
, "rxq%d", i
);
2001 status
= be_request_irq(adapter
, &rxo
->rx_eq
, be_msix_rx
,
2010 be_free_irq(adapter
, &adapter
->tx_eq
, adapter
);
2012 for (i
--, rxo
= &adapter
->rx_obj
[i
]; i
>= 0; i
--, rxo
--)
2013 be_free_irq(adapter
, &rxo
->rx_eq
, rxo
);
2016 dev_warn(&adapter
->pdev
->dev
,
2017 "MSIX Request IRQ failed - err %d\n", status
);
2018 pci_disable_msix(adapter
->pdev
);
2019 adapter
->msix_enabled
= false;
2023 static int be_irq_register(struct be_adapter
*adapter
)
2025 struct net_device
*netdev
= adapter
->netdev
;
2028 if (adapter
->msix_enabled
) {
2029 status
= be_msix_register(adapter
);
2032 /* INTx is not supported for VF */
2033 if (!be_physfn(adapter
))
2038 netdev
->irq
= adapter
->pdev
->irq
;
2039 status
= request_irq(netdev
->irq
, be_intx
, IRQF_SHARED
, netdev
->name
,
2042 dev_err(&adapter
->pdev
->dev
,
2043 "INTx request IRQ failed - err %d\n", status
);
2047 adapter
->isr_registered
= true;
2051 static void be_irq_unregister(struct be_adapter
*adapter
)
2053 struct net_device
*netdev
= adapter
->netdev
;
2054 struct be_rx_obj
*rxo
;
2057 if (!adapter
->isr_registered
)
2061 if (!adapter
->msix_enabled
) {
2062 free_irq(netdev
->irq
, adapter
);
2067 be_free_irq(adapter
, &adapter
->tx_eq
, adapter
);
2069 for_all_rx_queues(adapter
, rxo
, i
)
2070 be_free_irq(adapter
, &rxo
->rx_eq
, rxo
);
2073 adapter
->isr_registered
= false;
2076 static int be_close(struct net_device
*netdev
)
2078 struct be_adapter
*adapter
= netdev_priv(netdev
);
2079 struct be_rx_obj
*rxo
;
2080 struct be_eq_obj
*tx_eq
= &adapter
->tx_eq
;
2083 be_async_mcc_disable(adapter
);
2085 netif_stop_queue(netdev
);
2086 netif_carrier_off(netdev
);
2087 adapter
->link_up
= false;
2089 if (!lancer_chip(adapter
))
2090 be_intr_set(adapter
, false);
2092 if (adapter
->msix_enabled
) {
2093 vec
= be_msix_vec_get(adapter
, tx_eq
);
2094 synchronize_irq(vec
);
2096 for_all_rx_queues(adapter
, rxo
, i
) {
2097 vec
= be_msix_vec_get(adapter
, &rxo
->rx_eq
);
2098 synchronize_irq(vec
);
2101 synchronize_irq(netdev
->irq
);
2103 be_irq_unregister(adapter
);
2105 for_all_rx_queues(adapter
, rxo
, i
)
2106 napi_disable(&rxo
->rx_eq
.napi
);
2108 napi_disable(&tx_eq
->napi
);
2110 /* Wait for all pending tx completions to arrive so that
2111 * all tx skbs are freed.
2113 be_tx_compl_clean(adapter
);
2118 static int be_open(struct net_device
*netdev
)
2120 struct be_adapter
*adapter
= netdev_priv(netdev
);
2121 struct be_eq_obj
*tx_eq
= &adapter
->tx_eq
;
2122 struct be_rx_obj
*rxo
;
2128 for_all_rx_queues(adapter
, rxo
, i
) {
2129 be_post_rx_frags(rxo
, GFP_KERNEL
);
2130 napi_enable(&rxo
->rx_eq
.napi
);
2132 napi_enable(&tx_eq
->napi
);
2134 be_irq_register(adapter
);
2136 if (!lancer_chip(adapter
))
2137 be_intr_set(adapter
, true);
2139 /* The evt queues are created in unarmed state; arm them */
2140 for_all_rx_queues(adapter
, rxo
, i
) {
2141 be_eq_notify(adapter
, rxo
->rx_eq
.q
.id
, true, false, 0);
2142 be_cq_notify(adapter
, rxo
->cq
.id
, true, 0);
2144 be_eq_notify(adapter
, tx_eq
->q
.id
, true, false, 0);
2146 /* Now that interrupts are on we can process async mcc */
2147 be_async_mcc_enable(adapter
);
2149 status
= be_cmd_link_status_query(adapter
, &link_up
, &mac_speed
,
2153 be_link_status_update(adapter
, link_up
);
2155 if (be_physfn(adapter
)) {
2156 status
= be_vid_config(adapter
, false, 0);
2160 status
= be_cmd_set_flow_control(adapter
,
2161 adapter
->tx_fc
, adapter
->rx_fc
);
2168 be_close(adapter
->netdev
);
2172 static int be_setup_wol(struct be_adapter
*adapter
, bool enable
)
2174 struct be_dma_mem cmd
;
2178 memset(mac
, 0, ETH_ALEN
);
2180 cmd
.size
= sizeof(struct be_cmd_req_acpi_wol_magic_config
);
2181 cmd
.va
= dma_alloc_coherent(&adapter
->pdev
->dev
, cmd
.size
, &cmd
.dma
,
2185 memset(cmd
.va
, 0, cmd
.size
);
2188 status
= pci_write_config_dword(adapter
->pdev
,
2189 PCICFG_PM_CONTROL_OFFSET
, PCICFG_PM_CONTROL_MASK
);
2191 dev_err(&adapter
->pdev
->dev
,
2192 "Could not enable Wake-on-lan\n");
2193 dma_free_coherent(&adapter
->pdev
->dev
, cmd
.size
, cmd
.va
,
2197 status
= be_cmd_enable_magic_wol(adapter
,
2198 adapter
->netdev
->dev_addr
, &cmd
);
2199 pci_enable_wake(adapter
->pdev
, PCI_D3hot
, 1);
2200 pci_enable_wake(adapter
->pdev
, PCI_D3cold
, 1);
2202 status
= be_cmd_enable_magic_wol(adapter
, mac
, &cmd
);
2203 pci_enable_wake(adapter
->pdev
, PCI_D3hot
, 0);
2204 pci_enable_wake(adapter
->pdev
, PCI_D3cold
, 0);
2207 dma_free_coherent(&adapter
->pdev
->dev
, cmd
.size
, cmd
.va
, cmd
.dma
);
2212 * Generate a seed MAC address from the PF MAC Address using jhash.
2213 * MAC Address for VFs are assigned incrementally starting from the seed.
2214 * These addresses are programmed in the ASIC by the PF and the VF driver
2215 * queries for the MAC address during its probe.
2217 static inline int be_vf_eth_addr_config(struct be_adapter
*adapter
)
2223 be_vf_eth_addr_generate(adapter
, mac
);
2225 for (vf
= 0; vf
< num_vfs
; vf
++) {
2226 status
= be_cmd_pmac_add(adapter
, mac
,
2227 adapter
->vf_cfg
[vf
].vf_if_handle
,
2228 &adapter
->vf_cfg
[vf
].vf_pmac_id
,
2231 dev_err(&adapter
->pdev
->dev
,
2232 "Mac address add failed for VF %d\n", vf
);
2234 memcpy(adapter
->vf_cfg
[vf
].vf_mac_addr
, mac
, ETH_ALEN
);
2241 static inline void be_vf_eth_addr_rem(struct be_adapter
*adapter
)
2245 for (vf
= 0; vf
< num_vfs
; vf
++) {
2246 if (adapter
->vf_cfg
[vf
].vf_pmac_id
!= BE_INVALID_PMAC_ID
)
2247 be_cmd_pmac_del(adapter
,
2248 adapter
->vf_cfg
[vf
].vf_if_handle
,
2249 adapter
->vf_cfg
[vf
].vf_pmac_id
, vf
+ 1);
2253 static int be_setup(struct be_adapter
*adapter
)
2255 struct net_device
*netdev
= adapter
->netdev
;
2256 u32 cap_flags
, en_flags
, vf
= 0;
2260 cap_flags
= en_flags
= BE_IF_FLAGS_UNTAGGED
| BE_IF_FLAGS_BROADCAST
;
2262 if (be_physfn(adapter
)) {
2263 cap_flags
|= BE_IF_FLAGS_MCAST_PROMISCUOUS
|
2264 BE_IF_FLAGS_PROMISCUOUS
|
2265 BE_IF_FLAGS_PASS_L3L4_ERRORS
;
2266 en_flags
|= BE_IF_FLAGS_PASS_L3L4_ERRORS
;
2268 if (be_multi_rxq(adapter
)) {
2269 cap_flags
|= BE_IF_FLAGS_RSS
;
2270 en_flags
|= BE_IF_FLAGS_RSS
;
2274 status
= be_cmd_if_create(adapter
, cap_flags
, en_flags
,
2275 netdev
->dev_addr
, false/* pmac_invalid */,
2276 &adapter
->if_handle
, &adapter
->pmac_id
, 0);
2280 if (be_physfn(adapter
)) {
2281 if (adapter
->sriov_enabled
) {
2282 while (vf
< num_vfs
) {
2283 cap_flags
= en_flags
= BE_IF_FLAGS_UNTAGGED
|
2284 BE_IF_FLAGS_BROADCAST
;
2285 status
= be_cmd_if_create(adapter
, cap_flags
,
2286 en_flags
, mac
, true,
2287 &adapter
->vf_cfg
[vf
].vf_if_handle
,
2290 dev_err(&adapter
->pdev
->dev
,
2291 "Interface Create failed for VF %d\n",
2295 adapter
->vf_cfg
[vf
].vf_pmac_id
=
2301 status
= be_cmd_mac_addr_query(adapter
, mac
,
2302 MAC_ADDRESS_TYPE_NETWORK
, false, adapter
->if_handle
);
2304 memcpy(adapter
->netdev
->dev_addr
, mac
, ETH_ALEN
);
2305 memcpy(adapter
->netdev
->perm_addr
, mac
, ETH_ALEN
);
2309 status
= be_tx_queues_create(adapter
);
2313 status
= be_rx_queues_create(adapter
);
2317 status
= be_mcc_queues_create(adapter
);
2321 adapter
->link_speed
= -1;
2325 be_mcc_queues_destroy(adapter
);
2327 be_rx_queues_destroy(adapter
);
2329 be_tx_queues_destroy(adapter
);
2331 if (be_physfn(adapter
) && adapter
->sriov_enabled
)
2332 for (vf
= 0; vf
< num_vfs
; vf
++)
2333 if (adapter
->vf_cfg
[vf
].vf_if_handle
)
2334 be_cmd_if_destroy(adapter
,
2335 adapter
->vf_cfg
[vf
].vf_if_handle
,
2337 be_cmd_if_destroy(adapter
, adapter
->if_handle
, 0);
2342 static int be_clear(struct be_adapter
*adapter
)
2346 if (be_physfn(adapter
) && adapter
->sriov_enabled
)
2347 be_vf_eth_addr_rem(adapter
);
2349 be_mcc_queues_destroy(adapter
);
2350 be_rx_queues_destroy(adapter
);
2351 be_tx_queues_destroy(adapter
);
2353 if (be_physfn(adapter
) && adapter
->sriov_enabled
)
2354 for (vf
= 0; vf
< num_vfs
; vf
++)
2355 if (adapter
->vf_cfg
[vf
].vf_if_handle
)
2356 be_cmd_if_destroy(adapter
,
2357 adapter
->vf_cfg
[vf
].vf_if_handle
,
2360 be_cmd_if_destroy(adapter
, adapter
->if_handle
, 0);
2362 /* tell fw we're done with firing cmds */
2363 be_cmd_fw_clean(adapter
);
2368 #define FW_FILE_HDR_SIGN "ServerEngines Corp. "
2369 static bool be_flash_redboot(struct be_adapter
*adapter
,
2370 const u8
*p
, u32 img_start
, int image_size
,
2377 crc_offset
= hdr_size
+ img_start
+ image_size
- 4;
2381 status
= be_cmd_get_flash_crc(adapter
, flashed_crc
,
2384 dev_err(&adapter
->pdev
->dev
,
2385 "could not get crc from flash, not flashing redboot\n");
2389 /*update redboot only if crc does not match*/
2390 if (!memcmp(flashed_crc
, p
, 4))
2396 static int be_flash_data(struct be_adapter
*adapter
,
2397 const struct firmware
*fw
,
2398 struct be_dma_mem
*flash_cmd
, int num_of_images
)
2401 int status
= 0, i
, filehdr_size
= 0;
2402 u32 total_bytes
= 0, flash_op
;
2404 const u8
*p
= fw
->data
;
2405 struct be_cmd_write_flashrom
*req
= flash_cmd
->va
;
2406 const struct flash_comp
*pflashcomp
;
2409 static const struct flash_comp gen3_flash_types
[9] = {
2410 { FLASH_iSCSI_PRIMARY_IMAGE_START_g3
, IMG_TYPE_ISCSI_ACTIVE
,
2411 FLASH_IMAGE_MAX_SIZE_g3
},
2412 { FLASH_REDBOOT_START_g3
, IMG_TYPE_REDBOOT
,
2413 FLASH_REDBOOT_IMAGE_MAX_SIZE_g3
},
2414 { FLASH_iSCSI_BIOS_START_g3
, IMG_TYPE_BIOS
,
2415 FLASH_BIOS_IMAGE_MAX_SIZE_g3
},
2416 { FLASH_PXE_BIOS_START_g3
, IMG_TYPE_PXE_BIOS
,
2417 FLASH_BIOS_IMAGE_MAX_SIZE_g3
},
2418 { FLASH_FCoE_BIOS_START_g3
, IMG_TYPE_FCOE_BIOS
,
2419 FLASH_BIOS_IMAGE_MAX_SIZE_g3
},
2420 { FLASH_iSCSI_BACKUP_IMAGE_START_g3
, IMG_TYPE_ISCSI_BACKUP
,
2421 FLASH_IMAGE_MAX_SIZE_g3
},
2422 { FLASH_FCoE_PRIMARY_IMAGE_START_g3
, IMG_TYPE_FCOE_FW_ACTIVE
,
2423 FLASH_IMAGE_MAX_SIZE_g3
},
2424 { FLASH_FCoE_BACKUP_IMAGE_START_g3
, IMG_TYPE_FCOE_FW_BACKUP
,
2425 FLASH_IMAGE_MAX_SIZE_g3
},
2426 { FLASH_NCSI_START_g3
, IMG_TYPE_NCSI_FW
,
2427 FLASH_NCSI_IMAGE_MAX_SIZE_g3
}
2429 static const struct flash_comp gen2_flash_types
[8] = {
2430 { FLASH_iSCSI_PRIMARY_IMAGE_START_g2
, IMG_TYPE_ISCSI_ACTIVE
,
2431 FLASH_IMAGE_MAX_SIZE_g2
},
2432 { FLASH_REDBOOT_START_g2
, IMG_TYPE_REDBOOT
,
2433 FLASH_REDBOOT_IMAGE_MAX_SIZE_g2
},
2434 { FLASH_iSCSI_BIOS_START_g2
, IMG_TYPE_BIOS
,
2435 FLASH_BIOS_IMAGE_MAX_SIZE_g2
},
2436 { FLASH_PXE_BIOS_START_g2
, IMG_TYPE_PXE_BIOS
,
2437 FLASH_BIOS_IMAGE_MAX_SIZE_g2
},
2438 { FLASH_FCoE_BIOS_START_g2
, IMG_TYPE_FCOE_BIOS
,
2439 FLASH_BIOS_IMAGE_MAX_SIZE_g2
},
2440 { FLASH_iSCSI_BACKUP_IMAGE_START_g2
, IMG_TYPE_ISCSI_BACKUP
,
2441 FLASH_IMAGE_MAX_SIZE_g2
},
2442 { FLASH_FCoE_PRIMARY_IMAGE_START_g2
, IMG_TYPE_FCOE_FW_ACTIVE
,
2443 FLASH_IMAGE_MAX_SIZE_g2
},
2444 { FLASH_FCoE_BACKUP_IMAGE_START_g2
, IMG_TYPE_FCOE_FW_BACKUP
,
2445 FLASH_IMAGE_MAX_SIZE_g2
}
2448 if (adapter
->generation
== BE_GEN3
) {
2449 pflashcomp
= gen3_flash_types
;
2450 filehdr_size
= sizeof(struct flash_file_hdr_g3
);
2451 num_comp
= ARRAY_SIZE(gen3_flash_types
);
2453 pflashcomp
= gen2_flash_types
;
2454 filehdr_size
= sizeof(struct flash_file_hdr_g2
);
2455 num_comp
= ARRAY_SIZE(gen2_flash_types
);
2457 for (i
= 0; i
< num_comp
; i
++) {
2458 if ((pflashcomp
[i
].optype
== IMG_TYPE_NCSI_FW
) &&
2459 memcmp(adapter
->fw_ver
, "3.102.148.0", 11) < 0)
2461 if ((pflashcomp
[i
].optype
== IMG_TYPE_REDBOOT
) &&
2462 (!be_flash_redboot(adapter
, fw
->data
,
2463 pflashcomp
[i
].offset
, pflashcomp
[i
].size
, filehdr_size
+
2464 (num_of_images
* sizeof(struct image_hdr
)))))
2467 p
+= filehdr_size
+ pflashcomp
[i
].offset
2468 + (num_of_images
* sizeof(struct image_hdr
));
2469 if (p
+ pflashcomp
[i
].size
> fw
->data
+ fw
->size
)
2471 total_bytes
= pflashcomp
[i
].size
;
2472 while (total_bytes
) {
2473 if (total_bytes
> 32*1024)
2474 num_bytes
= 32*1024;
2476 num_bytes
= total_bytes
;
2477 total_bytes
-= num_bytes
;
2480 flash_op
= FLASHROM_OPER_FLASH
;
2482 flash_op
= FLASHROM_OPER_SAVE
;
2483 memcpy(req
->params
.data_buf
, p
, num_bytes
);
2485 status
= be_cmd_write_flashrom(adapter
, flash_cmd
,
2486 pflashcomp
[i
].optype
, flash_op
, num_bytes
);
2488 dev_err(&adapter
->pdev
->dev
,
2489 "cmd to write to flash rom failed.\n");
2498 static int get_ufigen_type(struct flash_file_hdr_g2
*fhdr
)
2502 if (fhdr
->build
[0] == '3')
2504 else if (fhdr
->build
[0] == '2')
2510 int be_load_fw(struct be_adapter
*adapter
, u8
*func
)
2512 char fw_file
[ETHTOOL_FLASH_MAX_FILENAME
];
2513 const struct firmware
*fw
;
2514 struct flash_file_hdr_g2
*fhdr
;
2515 struct flash_file_hdr_g3
*fhdr3
;
2516 struct image_hdr
*img_hdr_ptr
= NULL
;
2517 struct be_dma_mem flash_cmd
;
2518 int status
, i
= 0, num_imgs
= 0;
2521 if (!netif_running(adapter
->netdev
)) {
2522 dev_err(&adapter
->pdev
->dev
,
2523 "Firmware load not allowed (interface is down)\n");
2527 strcpy(fw_file
, func
);
2529 status
= request_firmware(&fw
, fw_file
, &adapter
->pdev
->dev
);
2534 fhdr
= (struct flash_file_hdr_g2
*) p
;
2535 dev_info(&adapter
->pdev
->dev
, "Flashing firmware file %s\n", fw_file
);
2537 flash_cmd
.size
= sizeof(struct be_cmd_write_flashrom
) + 32*1024;
2538 flash_cmd
.va
= dma_alloc_coherent(&adapter
->pdev
->dev
, flash_cmd
.size
,
2539 &flash_cmd
.dma
, GFP_KERNEL
);
2540 if (!flash_cmd
.va
) {
2542 dev_err(&adapter
->pdev
->dev
,
2543 "Memory allocation failure while flashing\n");
2547 if ((adapter
->generation
== BE_GEN3
) &&
2548 (get_ufigen_type(fhdr
) == BE_GEN3
)) {
2549 fhdr3
= (struct flash_file_hdr_g3
*) fw
->data
;
2550 num_imgs
= le32_to_cpu(fhdr3
->num_imgs
);
2551 for (i
= 0; i
< num_imgs
; i
++) {
2552 img_hdr_ptr
= (struct image_hdr
*) (fw
->data
+
2553 (sizeof(struct flash_file_hdr_g3
) +
2554 i
* sizeof(struct image_hdr
)));
2555 if (le32_to_cpu(img_hdr_ptr
->imageid
) == 1)
2556 status
= be_flash_data(adapter
, fw
, &flash_cmd
,
2559 } else if ((adapter
->generation
== BE_GEN2
) &&
2560 (get_ufigen_type(fhdr
) == BE_GEN2
)) {
2561 status
= be_flash_data(adapter
, fw
, &flash_cmd
, 0);
2563 dev_err(&adapter
->pdev
->dev
,
2564 "UFI and Interface are not compatible for flashing\n");
2568 dma_free_coherent(&adapter
->pdev
->dev
, flash_cmd
.size
, flash_cmd
.va
,
2571 dev_err(&adapter
->pdev
->dev
, "Firmware load error\n");
2575 dev_info(&adapter
->pdev
->dev
, "Firmware flashed successfully\n");
2578 release_firmware(fw
);
2582 static struct net_device_ops be_netdev_ops
= {
2583 .ndo_open
= be_open
,
2584 .ndo_stop
= be_close
,
2585 .ndo_start_xmit
= be_xmit
,
2586 .ndo_set_rx_mode
= be_set_multicast_list
,
2587 .ndo_set_mac_address
= be_mac_addr_set
,
2588 .ndo_change_mtu
= be_change_mtu
,
2589 .ndo_validate_addr
= eth_validate_addr
,
2590 .ndo_vlan_rx_register
= be_vlan_register
,
2591 .ndo_vlan_rx_add_vid
= be_vlan_add_vid
,
2592 .ndo_vlan_rx_kill_vid
= be_vlan_rem_vid
,
2593 .ndo_set_vf_mac
= be_set_vf_mac
,
2594 .ndo_set_vf_vlan
= be_set_vf_vlan
,
2595 .ndo_set_vf_tx_rate
= be_set_vf_tx_rate
,
2596 .ndo_get_vf_config
= be_get_vf_config
2599 static void be_netdev_init(struct net_device
*netdev
)
2601 struct be_adapter
*adapter
= netdev_priv(netdev
);
2602 struct be_rx_obj
*rxo
;
2605 netdev
->features
|= NETIF_F_SG
| NETIF_F_HW_VLAN_RX
| NETIF_F_TSO
|
2606 NETIF_F_HW_VLAN_TX
| NETIF_F_HW_VLAN_FILTER
|
2607 NETIF_F_IP_CSUM
| NETIF_F_IPV6_CSUM
|
2608 NETIF_F_GRO
| NETIF_F_TSO6
;
2610 netdev
->vlan_features
|= NETIF_F_SG
| NETIF_F_TSO
|
2611 NETIF_F_IP_CSUM
| NETIF_F_IPV6_CSUM
;
2613 if (lancer_chip(adapter
))
2614 netdev
->vlan_features
|= NETIF_F_TSO6
;
2616 netdev
->flags
|= IFF_MULTICAST
;
2618 adapter
->rx_csum
= true;
2620 /* Default settings for Rx and Tx flow control */
2621 adapter
->rx_fc
= true;
2622 adapter
->tx_fc
= true;
2624 netif_set_gso_max_size(netdev
, 65535);
2626 BE_SET_NETDEV_OPS(netdev
, &be_netdev_ops
);
2628 SET_ETHTOOL_OPS(netdev
, &be_ethtool_ops
);
2630 for_all_rx_queues(adapter
, rxo
, i
)
2631 netif_napi_add(netdev
, &rxo
->rx_eq
.napi
, be_poll_rx
,
2634 netif_napi_add(netdev
, &adapter
->tx_eq
.napi
, be_poll_tx_mcc
,
2638 static void be_unmap_pci_bars(struct be_adapter
*adapter
)
2641 iounmap(adapter
->csr
);
2643 iounmap(adapter
->db
);
2644 if (adapter
->pcicfg
&& be_physfn(adapter
))
2645 iounmap(adapter
->pcicfg
);
2648 static int be_map_pci_bars(struct be_adapter
*adapter
)
2651 int pcicfg_reg
, db_reg
;
2653 if (lancer_chip(adapter
)) {
2654 addr
= ioremap_nocache(pci_resource_start(adapter
->pdev
, 0),
2655 pci_resource_len(adapter
->pdev
, 0));
2662 if (be_physfn(adapter
)) {
2663 addr
= ioremap_nocache(pci_resource_start(adapter
->pdev
, 2),
2664 pci_resource_len(adapter
->pdev
, 2));
2667 adapter
->csr
= addr
;
2670 if (adapter
->generation
== BE_GEN2
) {
2675 if (be_physfn(adapter
))
2680 addr
= ioremap_nocache(pci_resource_start(adapter
->pdev
, db_reg
),
2681 pci_resource_len(adapter
->pdev
, db_reg
));
2686 if (be_physfn(adapter
)) {
2687 addr
= ioremap_nocache(
2688 pci_resource_start(adapter
->pdev
, pcicfg_reg
),
2689 pci_resource_len(adapter
->pdev
, pcicfg_reg
));
2692 adapter
->pcicfg
= addr
;
2694 adapter
->pcicfg
= adapter
->db
+ SRIOV_VF_PCICFG_OFFSET
;
2698 be_unmap_pci_bars(adapter
);
2703 static void be_ctrl_cleanup(struct be_adapter
*adapter
)
2705 struct be_dma_mem
*mem
= &adapter
->mbox_mem_alloced
;
2707 be_unmap_pci_bars(adapter
);
2710 dma_free_coherent(&adapter
->pdev
->dev
, mem
->size
, mem
->va
,
2713 mem
= &adapter
->mc_cmd_mem
;
2715 dma_free_coherent(&adapter
->pdev
->dev
, mem
->size
, mem
->va
,
2719 static int be_ctrl_init(struct be_adapter
*adapter
)
2721 struct be_dma_mem
*mbox_mem_alloc
= &adapter
->mbox_mem_alloced
;
2722 struct be_dma_mem
*mbox_mem_align
= &adapter
->mbox_mem
;
2723 struct be_dma_mem
*mc_cmd_mem
= &adapter
->mc_cmd_mem
;
2726 status
= be_map_pci_bars(adapter
);
2730 mbox_mem_alloc
->size
= sizeof(struct be_mcc_mailbox
) + 16;
2731 mbox_mem_alloc
->va
= dma_alloc_coherent(&adapter
->pdev
->dev
,
2732 mbox_mem_alloc
->size
,
2733 &mbox_mem_alloc
->dma
,
2735 if (!mbox_mem_alloc
->va
) {
2737 goto unmap_pci_bars
;
2740 mbox_mem_align
->size
= sizeof(struct be_mcc_mailbox
);
2741 mbox_mem_align
->va
= PTR_ALIGN(mbox_mem_alloc
->va
, 16);
2742 mbox_mem_align
->dma
= PTR_ALIGN(mbox_mem_alloc
->dma
, 16);
2743 memset(mbox_mem_align
->va
, 0, sizeof(struct be_mcc_mailbox
));
2745 mc_cmd_mem
->size
= sizeof(struct be_cmd_req_mcast_mac_config
);
2746 mc_cmd_mem
->va
= dma_alloc_coherent(&adapter
->pdev
->dev
,
2747 mc_cmd_mem
->size
, &mc_cmd_mem
->dma
,
2749 if (mc_cmd_mem
->va
== NULL
) {
2753 memset(mc_cmd_mem
->va
, 0, mc_cmd_mem
->size
);
2755 mutex_init(&adapter
->mbox_lock
);
2756 spin_lock_init(&adapter
->mcc_lock
);
2757 spin_lock_init(&adapter
->mcc_cq_lock
);
2759 init_completion(&adapter
->flash_compl
);
2760 pci_save_state(adapter
->pdev
);
2764 dma_free_coherent(&adapter
->pdev
->dev
, mbox_mem_alloc
->size
,
2765 mbox_mem_alloc
->va
, mbox_mem_alloc
->dma
);
2768 be_unmap_pci_bars(adapter
);
2774 static void be_stats_cleanup(struct be_adapter
*adapter
)
2776 struct be_dma_mem
*cmd
= &adapter
->stats_cmd
;
2779 dma_free_coherent(&adapter
->pdev
->dev
, cmd
->size
,
2783 static int be_stats_init(struct be_adapter
*adapter
)
2785 struct be_dma_mem
*cmd
= &adapter
->stats_cmd
;
2787 cmd
->size
= sizeof(struct be_cmd_req_get_stats
);
2788 cmd
->va
= dma_alloc_coherent(&adapter
->pdev
->dev
, cmd
->size
, &cmd
->dma
,
2790 if (cmd
->va
== NULL
)
2792 memset(cmd
->va
, 0, cmd
->size
);
2796 static void __devexit
be_remove(struct pci_dev
*pdev
)
2798 struct be_adapter
*adapter
= pci_get_drvdata(pdev
);
2803 cancel_delayed_work_sync(&adapter
->work
);
2805 unregister_netdev(adapter
->netdev
);
2809 be_stats_cleanup(adapter
);
2811 be_ctrl_cleanup(adapter
);
2813 be_sriov_disable(adapter
);
2815 be_msix_disable(adapter
);
2817 pci_set_drvdata(pdev
, NULL
);
2818 pci_release_regions(pdev
);
2819 pci_disable_device(pdev
);
2821 free_netdev(adapter
->netdev
);
2824 static int be_get_config(struct be_adapter
*adapter
)
2829 status
= be_cmd_get_fw_ver(adapter
, adapter
->fw_ver
);
2833 status
= be_cmd_query_fw_cfg(adapter
, &adapter
->port_num
,
2834 &adapter
->function_mode
, &adapter
->function_caps
);
2838 memset(mac
, 0, ETH_ALEN
);
2840 if (be_physfn(adapter
)) {
2841 status
= be_cmd_mac_addr_query(adapter
, mac
,
2842 MAC_ADDRESS_TYPE_NETWORK
, true /*permanent */, 0);
2847 if (!is_valid_ether_addr(mac
))
2848 return -EADDRNOTAVAIL
;
2850 memcpy(adapter
->netdev
->dev_addr
, mac
, ETH_ALEN
);
2851 memcpy(adapter
->netdev
->perm_addr
, mac
, ETH_ALEN
);
2854 if (adapter
->function_mode
& 0x400)
2855 adapter
->max_vlans
= BE_NUM_VLANS_SUPPORTED
/4;
2857 adapter
->max_vlans
= BE_NUM_VLANS_SUPPORTED
;
2859 status
= be_cmd_get_cntl_attributes(adapter
);
2866 static int be_dev_family_check(struct be_adapter
*adapter
)
2868 struct pci_dev
*pdev
= adapter
->pdev
;
2869 u32 sli_intf
= 0, if_type
;
2871 switch (pdev
->device
) {
2874 adapter
->generation
= BE_GEN2
;
2878 adapter
->generation
= BE_GEN3
;
2881 pci_read_config_dword(pdev
, SLI_INTF_REG_OFFSET
, &sli_intf
);
2882 if_type
= (sli_intf
& SLI_INTF_IF_TYPE_MASK
) >>
2883 SLI_INTF_IF_TYPE_SHIFT
;
2885 if (((sli_intf
& SLI_INTF_VALID_MASK
) != SLI_INTF_VALID
) ||
2887 dev_err(&pdev
->dev
, "SLI_INTF reg val is not valid\n");
2891 dev_err(&pdev
->dev
, "VFs not supported\n");
2894 adapter
->sli_family
= ((sli_intf
& SLI_INTF_FAMILY_MASK
) >>
2895 SLI_INTF_FAMILY_SHIFT
);
2896 adapter
->generation
= BE_GEN3
;
2899 adapter
->generation
= 0;
2904 static int __devinit
be_probe(struct pci_dev
*pdev
,
2905 const struct pci_device_id
*pdev_id
)
2908 struct be_adapter
*adapter
;
2909 struct net_device
*netdev
;
2911 status
= pci_enable_device(pdev
);
2915 status
= pci_request_regions(pdev
, DRV_NAME
);
2918 pci_set_master(pdev
);
2920 netdev
= alloc_etherdev(sizeof(struct be_adapter
));
2921 if (netdev
== NULL
) {
2925 adapter
= netdev_priv(netdev
);
2926 adapter
->pdev
= pdev
;
2927 pci_set_drvdata(pdev
, adapter
);
2929 status
= be_dev_family_check(adapter
);
2933 adapter
->netdev
= netdev
;
2934 SET_NETDEV_DEV(netdev
, &pdev
->dev
);
2936 status
= dma_set_mask(&pdev
->dev
, DMA_BIT_MASK(64));
2938 netdev
->features
|= NETIF_F_HIGHDMA
;
2940 status
= dma_set_mask(&pdev
->dev
, DMA_BIT_MASK(32));
2942 dev_err(&pdev
->dev
, "Could not set PCI DMA Mask\n");
2947 be_sriov_enable(adapter
);
2949 status
= be_ctrl_init(adapter
);
2953 /* sync up with fw's ready state */
2954 if (be_physfn(adapter
)) {
2955 status
= be_cmd_POST(adapter
);
2960 /* tell fw we're ready to fire cmds */
2961 status
= be_cmd_fw_init(adapter
);
2965 status
= be_cmd_reset_function(adapter
);
2969 status
= be_stats_init(adapter
);
2973 status
= be_get_config(adapter
);
2977 be_msix_enable(adapter
);
2979 INIT_DELAYED_WORK(&adapter
->work
, be_worker
);
2981 status
= be_setup(adapter
);
2985 be_netdev_init(netdev
);
2986 status
= register_netdev(netdev
);
2989 netif_carrier_off(netdev
);
2991 if (be_physfn(adapter
) && adapter
->sriov_enabled
) {
2992 status
= be_vf_eth_addr_config(adapter
);
2997 dev_info(&pdev
->dev
, "%s port %d\n", nic_name(pdev
), adapter
->port_num
);
2998 schedule_delayed_work(&adapter
->work
, msecs_to_jiffies(100));
3002 unregister_netdev(netdev
);
3006 be_msix_disable(adapter
);
3008 be_stats_cleanup(adapter
);
3010 be_ctrl_cleanup(adapter
);
3012 be_sriov_disable(adapter
);
3013 free_netdev(netdev
);
3014 pci_set_drvdata(pdev
, NULL
);
3016 pci_release_regions(pdev
);
3018 pci_disable_device(pdev
);
3020 dev_err(&pdev
->dev
, "%s initialization failed\n", nic_name(pdev
));
3024 static int be_suspend(struct pci_dev
*pdev
, pm_message_t state
)
3026 struct be_adapter
*adapter
= pci_get_drvdata(pdev
);
3027 struct net_device
*netdev
= adapter
->netdev
;
3029 cancel_delayed_work_sync(&adapter
->work
);
3031 be_setup_wol(adapter
, true);
3033 netif_device_detach(netdev
);
3034 if (netif_running(netdev
)) {
3039 be_cmd_get_flow_control(adapter
, &adapter
->tx_fc
, &adapter
->rx_fc
);
3042 be_msix_disable(adapter
);
3043 pci_save_state(pdev
);
3044 pci_disable_device(pdev
);
3045 pci_set_power_state(pdev
, pci_choose_state(pdev
, state
));
3049 static int be_resume(struct pci_dev
*pdev
)
3052 struct be_adapter
*adapter
= pci_get_drvdata(pdev
);
3053 struct net_device
*netdev
= adapter
->netdev
;
3055 netif_device_detach(netdev
);
3057 status
= pci_enable_device(pdev
);
3061 pci_set_power_state(pdev
, 0);
3062 pci_restore_state(pdev
);
3064 be_msix_enable(adapter
);
3065 /* tell fw we're ready to fire cmds */
3066 status
= be_cmd_fw_init(adapter
);
3071 if (netif_running(netdev
)) {
3076 netif_device_attach(netdev
);
3079 be_setup_wol(adapter
, false);
3081 schedule_delayed_work(&adapter
->work
, msecs_to_jiffies(100));
3086 * An FLR will stop BE from DMAing any data.
3088 static void be_shutdown(struct pci_dev
*pdev
)
3090 struct be_adapter
*adapter
= pci_get_drvdata(pdev
);
3091 struct net_device
*netdev
= adapter
->netdev
;
3093 if (netif_running(netdev
))
3094 cancel_delayed_work_sync(&adapter
->work
);
3096 netif_device_detach(netdev
);
3098 be_cmd_reset_function(adapter
);
3101 be_setup_wol(adapter
, true);
3103 pci_disable_device(pdev
);
3106 static pci_ers_result_t
be_eeh_err_detected(struct pci_dev
*pdev
,
3107 pci_channel_state_t state
)
3109 struct be_adapter
*adapter
= pci_get_drvdata(pdev
);
3110 struct net_device
*netdev
= adapter
->netdev
;
3112 dev_err(&adapter
->pdev
->dev
, "EEH error detected\n");
3114 adapter
->eeh_err
= true;
3116 netif_device_detach(netdev
);
3118 if (netif_running(netdev
)) {
3125 if (state
== pci_channel_io_perm_failure
)
3126 return PCI_ERS_RESULT_DISCONNECT
;
3128 pci_disable_device(pdev
);
3130 return PCI_ERS_RESULT_NEED_RESET
;
3133 static pci_ers_result_t
be_eeh_reset(struct pci_dev
*pdev
)
3135 struct be_adapter
*adapter
= pci_get_drvdata(pdev
);
3138 dev_info(&adapter
->pdev
->dev
, "EEH reset\n");
3139 adapter
->eeh_err
= false;
3141 status
= pci_enable_device(pdev
);
3143 return PCI_ERS_RESULT_DISCONNECT
;
3145 pci_set_master(pdev
);
3146 pci_set_power_state(pdev
, 0);
3147 pci_restore_state(pdev
);
3149 /* Check if card is ok and fw is ready */
3150 status
= be_cmd_POST(adapter
);
3152 return PCI_ERS_RESULT_DISCONNECT
;
3154 return PCI_ERS_RESULT_RECOVERED
;
3157 static void be_eeh_resume(struct pci_dev
*pdev
)
3160 struct be_adapter
*adapter
= pci_get_drvdata(pdev
);
3161 struct net_device
*netdev
= adapter
->netdev
;
3163 dev_info(&adapter
->pdev
->dev
, "EEH resume\n");
3165 pci_save_state(pdev
);
3167 /* tell fw we're ready to fire cmds */
3168 status
= be_cmd_fw_init(adapter
);
3172 status
= be_setup(adapter
);
3176 if (netif_running(netdev
)) {
3177 status
= be_open(netdev
);
3181 netif_device_attach(netdev
);
3184 dev_err(&adapter
->pdev
->dev
, "EEH resume failed\n");
3187 static struct pci_error_handlers be_eeh_handlers
= {
3188 .error_detected
= be_eeh_err_detected
,
3189 .slot_reset
= be_eeh_reset
,
3190 .resume
= be_eeh_resume
,
3193 static struct pci_driver be_driver
= {
3195 .id_table
= be_dev_ids
,
3197 .remove
= be_remove
,
3198 .suspend
= be_suspend
,
3199 .resume
= be_resume
,
3200 .shutdown
= be_shutdown
,
3201 .err_handler
= &be_eeh_handlers
3204 static int __init
be_init_module(void)
3206 if (rx_frag_size
!= 8192 && rx_frag_size
!= 4096 &&
3207 rx_frag_size
!= 2048) {
3208 printk(KERN_WARNING DRV_NAME
3209 " : Module param rx_frag_size must be 2048/4096/8192."
3211 rx_frag_size
= 2048;
3215 printk(KERN_WARNING DRV_NAME
3216 " : Module param num_vfs must not be greater than 32."
3221 return pci_register_driver(&be_driver
);
3223 module_init(be_init_module
);
3225 static void __exit
be_exit_module(void)
3227 pci_unregister_driver(&be_driver
);
3229 module_exit(be_exit_module
);