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 pci_free_consistent(adapter
->pdev
, mem
->size
,
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
= pci_alloc_consistent(adapter
->pdev
, mem
->size
, &mem
->dma
);
144 memset(mem
->va
, 0, mem
->size
);
148 static void be_intr_set(struct be_adapter
*adapter
, bool enable
)
150 u8 __iomem
*addr
= adapter
->pcicfg
+ PCICFG_MEMBAR_CTRL_INT_CTRL_OFFSET
;
151 u32 reg
= ioread32(addr
);
152 u32 enabled
= reg
& MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK
;
154 if (adapter
->eeh_err
)
157 if (!enabled
&& enable
)
158 reg
|= MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK
;
159 else if (enabled
&& !enable
)
160 reg
&= ~MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK
;
164 iowrite32(reg
, addr
);
167 static void be_rxq_notify(struct be_adapter
*adapter
, u16 qid
, u16 posted
)
170 val
|= qid
& DB_RQ_RING_ID_MASK
;
171 val
|= posted
<< DB_RQ_NUM_POSTED_SHIFT
;
174 iowrite32(val
, adapter
->db
+ DB_RQ_OFFSET
);
177 static void be_txq_notify(struct be_adapter
*adapter
, u16 qid
, u16 posted
)
180 val
|= qid
& DB_TXULP_RING_ID_MASK
;
181 val
|= (posted
& DB_TXULP_NUM_POSTED_MASK
) << DB_TXULP_NUM_POSTED_SHIFT
;
184 iowrite32(val
, adapter
->db
+ DB_TXULP1_OFFSET
);
187 static void be_eq_notify(struct be_adapter
*adapter
, u16 qid
,
188 bool arm
, bool clear_int
, u16 num_popped
)
191 val
|= qid
& DB_EQ_RING_ID_MASK
;
192 val
|= ((qid
& DB_EQ_RING_ID_EXT_MASK
) <<
193 DB_EQ_RING_ID_EXT_MASK_SHIFT
);
195 if (adapter
->eeh_err
)
199 val
|= 1 << DB_EQ_REARM_SHIFT
;
201 val
|= 1 << DB_EQ_CLR_SHIFT
;
202 val
|= 1 << DB_EQ_EVNT_SHIFT
;
203 val
|= num_popped
<< DB_EQ_NUM_POPPED_SHIFT
;
204 iowrite32(val
, adapter
->db
+ DB_EQ_OFFSET
);
207 void be_cq_notify(struct be_adapter
*adapter
, u16 qid
, bool arm
, u16 num_popped
)
210 val
|= qid
& DB_CQ_RING_ID_MASK
;
211 val
|= ((qid
& DB_CQ_RING_ID_EXT_MASK
) <<
212 DB_CQ_RING_ID_EXT_MASK_SHIFT
);
214 if (adapter
->eeh_err
)
218 val
|= 1 << DB_CQ_REARM_SHIFT
;
219 val
|= num_popped
<< DB_CQ_NUM_POPPED_SHIFT
;
220 iowrite32(val
, adapter
->db
+ DB_CQ_OFFSET
);
223 static int be_mac_addr_set(struct net_device
*netdev
, void *p
)
225 struct be_adapter
*adapter
= netdev_priv(netdev
);
226 struct sockaddr
*addr
= p
;
229 if (!is_valid_ether_addr(addr
->sa_data
))
230 return -EADDRNOTAVAIL
;
232 /* MAC addr configuration will be done in hardware for VFs
233 * by their corresponding PFs. Just copy to netdev addr here
235 if (!be_physfn(adapter
))
238 status
= be_cmd_pmac_del(adapter
, adapter
->if_handle
, adapter
->pmac_id
);
242 status
= be_cmd_pmac_add(adapter
, (u8
*)addr
->sa_data
,
243 adapter
->if_handle
, &adapter
->pmac_id
);
246 memcpy(netdev
->dev_addr
, addr
->sa_data
, netdev
->addr_len
);
251 void netdev_stats_update(struct be_adapter
*adapter
)
253 struct be_hw_stats
*hw_stats
= hw_stats_from_cmd(adapter
->stats_cmd
.va
);
254 struct be_rxf_stats
*rxf_stats
= &hw_stats
->rxf
;
255 struct be_port_rxf_stats
*port_stats
=
256 &rxf_stats
->port
[adapter
->port_num
];
257 struct net_device_stats
*dev_stats
= &adapter
->netdev
->stats
;
258 struct be_erx_stats
*erx_stats
= &hw_stats
->erx
;
259 struct be_rx_obj
*rxo
;
262 memset(dev_stats
, 0, sizeof(*dev_stats
));
263 for_all_rx_queues(adapter
, rxo
, i
) {
264 dev_stats
->rx_packets
+= rx_stats(rxo
)->rx_pkts
;
265 dev_stats
->rx_bytes
+= rx_stats(rxo
)->rx_bytes
;
266 dev_stats
->multicast
+= rx_stats(rxo
)->rx_mcast_pkts
;
267 /* no space in linux buffers: best possible approximation */
268 dev_stats
->rx_dropped
+=
269 erx_stats
->rx_drops_no_fragments
[rxo
->q
.id
];
272 dev_stats
->tx_packets
= tx_stats(adapter
)->be_tx_pkts
;
273 dev_stats
->tx_bytes
= tx_stats(adapter
)->be_tx_bytes
;
275 /* bad pkts received */
276 dev_stats
->rx_errors
= port_stats
->rx_crc_errors
+
277 port_stats
->rx_alignment_symbol_errors
+
278 port_stats
->rx_in_range_errors
+
279 port_stats
->rx_out_range_errors
+
280 port_stats
->rx_frame_too_long
+
281 port_stats
->rx_dropped_too_small
+
282 port_stats
->rx_dropped_too_short
+
283 port_stats
->rx_dropped_header_too_small
+
284 port_stats
->rx_dropped_tcp_length
+
285 port_stats
->rx_dropped_runt
+
286 port_stats
->rx_tcp_checksum_errs
+
287 port_stats
->rx_ip_checksum_errs
+
288 port_stats
->rx_udp_checksum_errs
;
290 /* detailed rx errors */
291 dev_stats
->rx_length_errors
= port_stats
->rx_in_range_errors
+
292 port_stats
->rx_out_range_errors
+
293 port_stats
->rx_frame_too_long
;
295 dev_stats
->rx_crc_errors
= port_stats
->rx_crc_errors
;
297 /* frame alignment errors */
298 dev_stats
->rx_frame_errors
= port_stats
->rx_alignment_symbol_errors
;
300 /* receiver fifo overrun */
301 /* drops_no_pbuf is no per i/f, it's per BE card */
302 dev_stats
->rx_fifo_errors
= port_stats
->rx_fifo_overflow
+
303 port_stats
->rx_input_fifo_overflow
+
304 rxf_stats
->rx_drops_no_pbuf
;
307 void be_link_status_update(struct be_adapter
*adapter
, bool link_up
)
309 struct net_device
*netdev
= adapter
->netdev
;
311 /* If link came up or went down */
312 if (adapter
->link_up
!= link_up
) {
313 adapter
->link_speed
= -1;
315 netif_carrier_on(netdev
);
316 printk(KERN_INFO
"%s: Link up\n", netdev
->name
);
318 netif_carrier_off(netdev
);
319 printk(KERN_INFO
"%s: Link down\n", netdev
->name
);
321 adapter
->link_up
= link_up
;
325 /* Update the EQ delay n BE based on the RX frags consumed / sec */
326 static void be_rx_eqd_update(struct be_adapter
*adapter
, struct be_rx_obj
*rxo
)
328 struct be_eq_obj
*rx_eq
= &rxo
->rx_eq
;
329 struct be_rx_stats
*stats
= &rxo
->stats
;
333 if (!rx_eq
->enable_aic
)
337 if (time_before(now
, stats
->rx_fps_jiffies
)) {
338 stats
->rx_fps_jiffies
= now
;
342 /* Update once a second */
343 if ((now
- stats
->rx_fps_jiffies
) < HZ
)
346 stats
->rx_fps
= (stats
->rx_frags
- stats
->prev_rx_frags
) /
347 ((now
- stats
->rx_fps_jiffies
) / HZ
);
349 stats
->rx_fps_jiffies
= now
;
350 stats
->prev_rx_frags
= stats
->rx_frags
;
351 eqd
= stats
->rx_fps
/ 110000;
353 if (eqd
> rx_eq
->max_eqd
)
354 eqd
= rx_eq
->max_eqd
;
355 if (eqd
< rx_eq
->min_eqd
)
356 eqd
= rx_eq
->min_eqd
;
359 if (eqd
!= rx_eq
->cur_eqd
)
360 be_cmd_modify_eqd(adapter
, rx_eq
->q
.id
, eqd
);
362 rx_eq
->cur_eqd
= eqd
;
365 static u32
be_calc_rate(u64 bytes
, unsigned long ticks
)
369 do_div(rate
, ticks
/ HZ
);
370 rate
<<= 3; /* bytes/sec -> bits/sec */
371 do_div(rate
, 1000000ul); /* MB/Sec */
376 static void be_tx_rate_update(struct be_adapter
*adapter
)
378 struct be_tx_stats
*stats
= tx_stats(adapter
);
381 /* Wrapped around? */
382 if (time_before(now
, stats
->be_tx_jiffies
)) {
383 stats
->be_tx_jiffies
= now
;
387 /* Update tx rate once in two seconds */
388 if ((now
- stats
->be_tx_jiffies
) > 2 * HZ
) {
389 stats
->be_tx_rate
= be_calc_rate(stats
->be_tx_bytes
390 - stats
->be_tx_bytes_prev
,
391 now
- stats
->be_tx_jiffies
);
392 stats
->be_tx_jiffies
= now
;
393 stats
->be_tx_bytes_prev
= stats
->be_tx_bytes
;
397 static void be_tx_stats_update(struct be_adapter
*adapter
,
398 u32 wrb_cnt
, u32 copied
, u32 gso_segs
, bool stopped
)
400 struct be_tx_stats
*stats
= tx_stats(adapter
);
402 stats
->be_tx_wrbs
+= wrb_cnt
;
403 stats
->be_tx_bytes
+= copied
;
404 stats
->be_tx_pkts
+= (gso_segs
? gso_segs
: 1);
406 stats
->be_tx_stops
++;
409 /* Determine number of WRB entries needed to xmit data in an skb */
410 static u32
wrb_cnt_for_skb(struct be_adapter
*adapter
, struct sk_buff
*skb
,
413 int cnt
= (skb
->len
> skb
->data_len
);
415 cnt
+= skb_shinfo(skb
)->nr_frags
;
417 /* to account for hdr wrb */
419 if (lancer_chip(adapter
) || !(cnt
& 1)) {
422 /* add a dummy to make it an even num */
426 BUG_ON(cnt
> BE_MAX_TX_FRAG_COUNT
);
430 static inline void wrb_fill(struct be_eth_wrb
*wrb
, u64 addr
, int len
)
432 wrb
->frag_pa_hi
= upper_32_bits(addr
);
433 wrb
->frag_pa_lo
= addr
& 0xFFFFFFFF;
434 wrb
->frag_len
= len
& ETH_WRB_FRAG_LEN_MASK
;
437 static void wrb_fill_hdr(struct be_adapter
*adapter
, struct be_eth_hdr_wrb
*hdr
,
438 struct sk_buff
*skb
, u32 wrb_cnt
, u32 len
)
443 memset(hdr
, 0, sizeof(*hdr
));
445 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, crc
, hdr
, 1);
447 if (skb_is_gso(skb
)) {
448 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, lso
, hdr
, 1);
449 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, lso_mss
,
450 hdr
, skb_shinfo(skb
)->gso_size
);
451 if (skb_is_gso_v6(skb
) && !lancer_chip(adapter
))
452 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, lso6
, hdr
, 1);
453 if (lancer_chip(adapter
) && adapter
->sli_family
==
454 LANCER_A0_SLI_FAMILY
) {
455 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, ipcs
, hdr
, 1);
457 AMAP_SET_BITS(struct amap_eth_hdr_wrb
,
459 else if (is_udp_pkt(skb
))
460 AMAP_SET_BITS(struct amap_eth_hdr_wrb
,
463 } else if (skb
->ip_summed
== CHECKSUM_PARTIAL
) {
465 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, tcpcs
, hdr
, 1);
466 else if (is_udp_pkt(skb
))
467 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, udpcs
, hdr
, 1);
470 if (adapter
->vlan_grp
&& vlan_tx_tag_present(skb
)) {
471 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, vlan
, hdr
, 1);
472 vlan_tag
= vlan_tx_tag_get(skb
);
473 vlan_prio
= (vlan_tag
& VLAN_PRIO_MASK
) >> VLAN_PRIO_SHIFT
;
474 /* If vlan priority provided by OS is NOT in available bmap */
475 if (!(adapter
->vlan_prio_bmap
& (1 << vlan_prio
)))
476 vlan_tag
= (vlan_tag
& ~VLAN_PRIO_MASK
) |
477 adapter
->recommended_prio
;
478 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, vlan_tag
, hdr
, vlan_tag
);
481 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, event
, hdr
, 1);
482 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, complete
, hdr
, 1);
483 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, num_wrb
, hdr
, wrb_cnt
);
484 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, len
, hdr
, len
);
487 static void unmap_tx_frag(struct pci_dev
*pdev
, struct be_eth_wrb
*wrb
,
492 be_dws_le_to_cpu(wrb
, sizeof(*wrb
));
494 dma
= (u64
)wrb
->frag_pa_hi
<< 32 | (u64
)wrb
->frag_pa_lo
;
497 pci_unmap_single(pdev
, dma
, wrb
->frag_len
,
500 pci_unmap_page(pdev
, dma
, wrb
->frag_len
,
505 static int make_tx_wrbs(struct be_adapter
*adapter
,
506 struct sk_buff
*skb
, u32 wrb_cnt
, bool dummy_wrb
)
510 struct pci_dev
*pdev
= adapter
->pdev
;
511 struct sk_buff
*first_skb
= skb
;
512 struct be_queue_info
*txq
= &adapter
->tx_obj
.q
;
513 struct be_eth_wrb
*wrb
;
514 struct be_eth_hdr_wrb
*hdr
;
515 bool map_single
= false;
518 hdr
= queue_head_node(txq
);
520 map_head
= txq
->head
;
522 if (skb
->len
> skb
->data_len
) {
523 int len
= skb_headlen(skb
);
524 busaddr
= pci_map_single(pdev
, skb
->data
, len
,
526 if (pci_dma_mapping_error(pdev
, 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
= pci_map_page(pdev
, frag
->page
,
541 frag
->size
, PCI_DMA_TODEVICE
);
542 if (pci_dma_mapping_error(pdev
, busaddr
))
544 wrb
= queue_head_node(txq
);
545 wrb_fill(wrb
, busaddr
, frag
->size
);
546 be_dws_cpu_to_le(wrb
, sizeof(*wrb
));
548 copied
+= frag
->size
;
552 wrb
= queue_head_node(txq
);
554 be_dws_cpu_to_le(wrb
, sizeof(*wrb
));
558 wrb_fill_hdr(adapter
, hdr
, first_skb
, wrb_cnt
, copied
);
559 be_dws_cpu_to_le(hdr
, sizeof(*hdr
));
563 txq
->head
= map_head
;
565 wrb
= queue_head_node(txq
);
566 unmap_tx_frag(pdev
, wrb
, map_single
);
568 copied
-= wrb
->frag_len
;
574 static netdev_tx_t
be_xmit(struct sk_buff
*skb
,
575 struct net_device
*netdev
)
577 struct be_adapter
*adapter
= netdev_priv(netdev
);
578 struct be_tx_obj
*tx_obj
= &adapter
->tx_obj
;
579 struct be_queue_info
*txq
= &tx_obj
->q
;
580 u32 wrb_cnt
= 0, copied
= 0;
581 u32 start
= txq
->head
;
582 bool dummy_wrb
, stopped
= false;
584 wrb_cnt
= wrb_cnt_for_skb(adapter
, skb
, &dummy_wrb
);
586 copied
= make_tx_wrbs(adapter
, skb
, wrb_cnt
, dummy_wrb
);
588 /* record the sent skb in the sent_skb table */
589 BUG_ON(tx_obj
->sent_skb_list
[start
]);
590 tx_obj
->sent_skb_list
[start
] = skb
;
592 /* Ensure txq has space for the next skb; Else stop the queue
593 * *BEFORE* ringing the tx doorbell, so that we serialze the
594 * tx compls of the current transmit which'll wake up the queue
596 atomic_add(wrb_cnt
, &txq
->used
);
597 if ((BE_MAX_TX_FRAG_COUNT
+ atomic_read(&txq
->used
)) >=
599 netif_stop_queue(netdev
);
603 be_txq_notify(adapter
, txq
->id
, wrb_cnt
);
605 be_tx_stats_update(adapter
, wrb_cnt
, copied
,
606 skb_shinfo(skb
)->gso_segs
, stopped
);
609 dev_kfree_skb_any(skb
);
614 static int be_change_mtu(struct net_device
*netdev
, int new_mtu
)
616 struct be_adapter
*adapter
= netdev_priv(netdev
);
617 if (new_mtu
< BE_MIN_MTU
||
618 new_mtu
> (BE_MAX_JUMBO_FRAME_SIZE
-
619 (ETH_HLEN
+ ETH_FCS_LEN
))) {
620 dev_info(&adapter
->pdev
->dev
,
621 "MTU must be between %d and %d bytes\n",
623 (BE_MAX_JUMBO_FRAME_SIZE
- (ETH_HLEN
+ ETH_FCS_LEN
)));
626 dev_info(&adapter
->pdev
->dev
, "MTU changed from %d to %d bytes\n",
627 netdev
->mtu
, new_mtu
);
628 netdev
->mtu
= new_mtu
;
633 * A max of 64 (BE_NUM_VLANS_SUPPORTED) vlans can be configured in BE.
634 * If the user configures more, place BE in vlan promiscuous mode.
636 static int be_vid_config(struct be_adapter
*adapter
, bool vf
, u32 vf_num
)
638 u16 vtag
[BE_NUM_VLANS_SUPPORTED
];
644 if_handle
= adapter
->vf_cfg
[vf_num
].vf_if_handle
;
645 vtag
[0] = cpu_to_le16(adapter
->vf_cfg
[vf_num
].vf_vlan_tag
);
646 status
= be_cmd_vlan_config(adapter
, if_handle
, vtag
, 1, 1, 0);
649 if (adapter
->vlans_added
<= adapter
->max_vlans
) {
650 /* Construct VLAN Table to give to HW */
651 for (i
= 0; i
< VLAN_N_VID
; i
++) {
652 if (adapter
->vlan_tag
[i
]) {
653 vtag
[ntags
] = cpu_to_le16(i
);
657 status
= be_cmd_vlan_config(adapter
, adapter
->if_handle
,
660 status
= be_cmd_vlan_config(adapter
, adapter
->if_handle
,
667 static void be_vlan_register(struct net_device
*netdev
, struct vlan_group
*grp
)
669 struct be_adapter
*adapter
= netdev_priv(netdev
);
671 adapter
->vlan_grp
= grp
;
674 static void be_vlan_add_vid(struct net_device
*netdev
, u16 vid
)
676 struct be_adapter
*adapter
= netdev_priv(netdev
);
678 adapter
->vlans_added
++;
679 if (!be_physfn(adapter
))
682 adapter
->vlan_tag
[vid
] = 1;
683 if (adapter
->vlans_added
<= (adapter
->max_vlans
+ 1))
684 be_vid_config(adapter
, false, 0);
687 static void be_vlan_rem_vid(struct net_device
*netdev
, u16 vid
)
689 struct be_adapter
*adapter
= netdev_priv(netdev
);
691 adapter
->vlans_added
--;
692 vlan_group_set_device(adapter
->vlan_grp
, vid
, NULL
);
694 if (!be_physfn(adapter
))
697 adapter
->vlan_tag
[vid
] = 0;
698 if (adapter
->vlans_added
<= adapter
->max_vlans
)
699 be_vid_config(adapter
, false, 0);
702 static void be_set_multicast_list(struct net_device
*netdev
)
704 struct be_adapter
*adapter
= netdev_priv(netdev
);
706 if (netdev
->flags
& IFF_PROMISC
) {
707 be_cmd_promiscuous_config(adapter
, adapter
->port_num
, 1);
708 adapter
->promiscuous
= true;
712 /* BE was previously in promiscous mode; disable it */
713 if (adapter
->promiscuous
) {
714 adapter
->promiscuous
= false;
715 be_cmd_promiscuous_config(adapter
, adapter
->port_num
, 0);
718 /* Enable multicast promisc if num configured exceeds what we support */
719 if (netdev
->flags
& IFF_ALLMULTI
||
720 netdev_mc_count(netdev
) > BE_MAX_MC
) {
721 be_cmd_multicast_set(adapter
, adapter
->if_handle
, NULL
,
722 &adapter
->mc_cmd_mem
);
726 be_cmd_multicast_set(adapter
, adapter
->if_handle
, netdev
,
727 &adapter
->mc_cmd_mem
);
732 static int be_set_vf_mac(struct net_device
*netdev
, int vf
, u8
*mac
)
734 struct be_adapter
*adapter
= netdev_priv(netdev
);
737 if (!adapter
->sriov_enabled
)
740 if (!is_valid_ether_addr(mac
) || (vf
>= num_vfs
))
743 if (adapter
->vf_cfg
[vf
].vf_pmac_id
!= BE_INVALID_PMAC_ID
)
744 status
= be_cmd_pmac_del(adapter
,
745 adapter
->vf_cfg
[vf
].vf_if_handle
,
746 adapter
->vf_cfg
[vf
].vf_pmac_id
);
748 status
= be_cmd_pmac_add(adapter
, mac
,
749 adapter
->vf_cfg
[vf
].vf_if_handle
,
750 &adapter
->vf_cfg
[vf
].vf_pmac_id
);
753 dev_err(&adapter
->pdev
->dev
, "MAC %pM set on VF %d Failed\n",
756 memcpy(adapter
->vf_cfg
[vf
].vf_mac_addr
, mac
, ETH_ALEN
);
761 static int be_get_vf_config(struct net_device
*netdev
, int vf
,
762 struct ifla_vf_info
*vi
)
764 struct be_adapter
*adapter
= netdev_priv(netdev
);
766 if (!adapter
->sriov_enabled
)
773 vi
->tx_rate
= adapter
->vf_cfg
[vf
].vf_tx_rate
;
774 vi
->vlan
= adapter
->vf_cfg
[vf
].vf_vlan_tag
;
776 memcpy(&vi
->mac
, adapter
->vf_cfg
[vf
].vf_mac_addr
, ETH_ALEN
);
781 static int be_set_vf_vlan(struct net_device
*netdev
,
782 int vf
, u16 vlan
, u8 qos
)
784 struct be_adapter
*adapter
= netdev_priv(netdev
);
787 if (!adapter
->sriov_enabled
)
790 if ((vf
>= num_vfs
) || (vlan
> 4095))
794 adapter
->vf_cfg
[vf
].vf_vlan_tag
= vlan
;
795 adapter
->vlans_added
++;
797 adapter
->vf_cfg
[vf
].vf_vlan_tag
= 0;
798 adapter
->vlans_added
--;
801 status
= be_vid_config(adapter
, true, vf
);
804 dev_info(&adapter
->pdev
->dev
,
805 "VLAN %d config on VF %d failed\n", vlan
, vf
);
809 static int be_set_vf_tx_rate(struct net_device
*netdev
,
812 struct be_adapter
*adapter
= netdev_priv(netdev
);
815 if (!adapter
->sriov_enabled
)
818 if ((vf
>= num_vfs
) || (rate
< 0))
824 adapter
->vf_cfg
[vf
].vf_tx_rate
= rate
;
825 status
= be_cmd_set_qos(adapter
, rate
/ 10, vf
);
828 dev_info(&adapter
->pdev
->dev
,
829 "tx rate %d on VF %d failed\n", rate
, vf
);
833 static void be_rx_rate_update(struct be_rx_obj
*rxo
)
835 struct be_rx_stats
*stats
= &rxo
->stats
;
839 if (time_before(now
, stats
->rx_jiffies
)) {
840 stats
->rx_jiffies
= now
;
844 /* Update the rate once in two seconds */
845 if ((now
- stats
->rx_jiffies
) < 2 * HZ
)
848 stats
->rx_rate
= be_calc_rate(stats
->rx_bytes
- stats
->rx_bytes_prev
,
849 now
- stats
->rx_jiffies
);
850 stats
->rx_jiffies
= now
;
851 stats
->rx_bytes_prev
= stats
->rx_bytes
;
854 static void be_rx_stats_update(struct be_rx_obj
*rxo
,
855 u32 pktsize
, u16 numfrags
, u8 pkt_type
)
857 struct be_rx_stats
*stats
= &rxo
->stats
;
860 stats
->rx_frags
+= numfrags
;
861 stats
->rx_bytes
+= pktsize
;
863 if (pkt_type
== BE_MULTICAST_PACKET
)
864 stats
->rx_mcast_pkts
++;
867 static inline bool csum_passed(struct be_eth_rx_compl
*rxcp
)
869 u8 l4_cksm
, ipv6
, ipcksm
;
871 l4_cksm
= AMAP_GET_BITS(struct amap_eth_rx_compl
, l4_cksm
, rxcp
);
872 ipcksm
= AMAP_GET_BITS(struct amap_eth_rx_compl
, ipcksm
, rxcp
);
873 ipv6
= AMAP_GET_BITS(struct amap_eth_rx_compl
, ip_version
, rxcp
);
875 /* Ignore ipcksm for ipv6 pkts */
876 return l4_cksm
&& (ipcksm
|| ipv6
);
879 static struct be_rx_page_info
*
880 get_rx_page_info(struct be_adapter
*adapter
,
881 struct be_rx_obj
*rxo
,
884 struct be_rx_page_info
*rx_page_info
;
885 struct be_queue_info
*rxq
= &rxo
->q
;
887 rx_page_info
= &rxo
->page_info_tbl
[frag_idx
];
888 BUG_ON(!rx_page_info
->page
);
890 if (rx_page_info
->last_page_user
) {
891 pci_unmap_page(adapter
->pdev
, dma_unmap_addr(rx_page_info
, bus
),
892 adapter
->big_page_size
, PCI_DMA_FROMDEVICE
);
893 rx_page_info
->last_page_user
= false;
896 atomic_dec(&rxq
->used
);
900 /* Throwaway the data in the Rx completion */
901 static void be_rx_compl_discard(struct be_adapter
*adapter
,
902 struct be_rx_obj
*rxo
,
903 struct be_eth_rx_compl
*rxcp
)
905 struct be_queue_info
*rxq
= &rxo
->q
;
906 struct be_rx_page_info
*page_info
;
907 u16 rxq_idx
, i
, num_rcvd
;
909 rxq_idx
= AMAP_GET_BITS(struct amap_eth_rx_compl
, fragndx
, rxcp
);
910 num_rcvd
= AMAP_GET_BITS(struct amap_eth_rx_compl
, numfrags
, rxcp
);
912 /* Skip out-of-buffer compl(lancer) or flush compl(BE) */
913 if (likely(rxq_idx
!= rxo
->last_frag_index
&& num_rcvd
!= 0)) {
915 rxo
->last_frag_index
= rxq_idx
;
917 for (i
= 0; i
< num_rcvd
; i
++) {
918 page_info
= get_rx_page_info(adapter
, rxo
, rxq_idx
);
919 put_page(page_info
->page
);
920 memset(page_info
, 0, sizeof(*page_info
));
921 index_inc(&rxq_idx
, rxq
->len
);
927 * skb_fill_rx_data forms a complete skb for an ether frame
930 static void skb_fill_rx_data(struct be_adapter
*adapter
, struct be_rx_obj
*rxo
,
931 struct sk_buff
*skb
, struct be_eth_rx_compl
*rxcp
,
934 struct be_queue_info
*rxq
= &rxo
->q
;
935 struct be_rx_page_info
*page_info
;
937 u32 pktsize
, hdr_len
, curr_frag_len
, size
;
941 rxq_idx
= AMAP_GET_BITS(struct amap_eth_rx_compl
, fragndx
, rxcp
);
942 pktsize
= AMAP_GET_BITS(struct amap_eth_rx_compl
, pktsize
, rxcp
);
943 pkt_type
= AMAP_GET_BITS(struct amap_eth_rx_compl
, cast_enc
, rxcp
);
945 page_info
= get_rx_page_info(adapter
, rxo
, rxq_idx
);
947 start
= page_address(page_info
->page
) + page_info
->page_offset
;
950 /* Copy data in the first descriptor of this completion */
951 curr_frag_len
= min(pktsize
, rx_frag_size
);
953 /* Copy the header portion into skb_data */
954 hdr_len
= min((u32
)BE_HDR_LEN
, curr_frag_len
);
955 memcpy(skb
->data
, start
, hdr_len
);
956 skb
->len
= curr_frag_len
;
957 if (curr_frag_len
<= BE_HDR_LEN
) { /* tiny packet */
958 /* Complete packet has now been moved to data */
959 put_page(page_info
->page
);
961 skb
->tail
+= curr_frag_len
;
963 skb_shinfo(skb
)->nr_frags
= 1;
964 skb_shinfo(skb
)->frags
[0].page
= page_info
->page
;
965 skb_shinfo(skb
)->frags
[0].page_offset
=
966 page_info
->page_offset
+ hdr_len
;
967 skb_shinfo(skb
)->frags
[0].size
= curr_frag_len
- hdr_len
;
968 skb
->data_len
= curr_frag_len
- hdr_len
;
969 skb
->tail
+= hdr_len
;
971 page_info
->page
= NULL
;
973 if (pktsize
<= rx_frag_size
) {
974 BUG_ON(num_rcvd
!= 1);
978 /* More frags present for this completion */
980 for (i
= 1, j
= 0; i
< num_rcvd
; i
++) {
981 size
-= curr_frag_len
;
982 index_inc(&rxq_idx
, rxq
->len
);
983 page_info
= get_rx_page_info(adapter
, rxo
, rxq_idx
);
985 curr_frag_len
= min(size
, rx_frag_size
);
987 /* Coalesce all frags from the same physical page in one slot */
988 if (page_info
->page_offset
== 0) {
991 skb_shinfo(skb
)->frags
[j
].page
= page_info
->page
;
992 skb_shinfo(skb
)->frags
[j
].page_offset
=
993 page_info
->page_offset
;
994 skb_shinfo(skb
)->frags
[j
].size
= 0;
995 skb_shinfo(skb
)->nr_frags
++;
997 put_page(page_info
->page
);
1000 skb_shinfo(skb
)->frags
[j
].size
+= curr_frag_len
;
1001 skb
->len
+= curr_frag_len
;
1002 skb
->data_len
+= curr_frag_len
;
1004 page_info
->page
= NULL
;
1006 BUG_ON(j
> MAX_SKB_FRAGS
);
1009 be_rx_stats_update(rxo
, pktsize
, num_rcvd
, pkt_type
);
1012 /* Process the RX completion indicated by rxcp when GRO is disabled */
1013 static void be_rx_compl_process(struct be_adapter
*adapter
,
1014 struct be_rx_obj
*rxo
,
1015 struct be_eth_rx_compl
*rxcp
)
1017 struct sk_buff
*skb
;
1022 num_rcvd
= AMAP_GET_BITS(struct amap_eth_rx_compl
, numfrags
, rxcp
);
1024 skb
= netdev_alloc_skb_ip_align(adapter
->netdev
, BE_HDR_LEN
);
1025 if (unlikely(!skb
)) {
1026 if (net_ratelimit())
1027 dev_warn(&adapter
->pdev
->dev
, "skb alloc failed\n");
1028 be_rx_compl_discard(adapter
, rxo
, rxcp
);
1032 skb_fill_rx_data(adapter
, rxo
, skb
, rxcp
, num_rcvd
);
1034 if (likely(adapter
->rx_csum
&& csum_passed(rxcp
)))
1035 skb
->ip_summed
= CHECKSUM_UNNECESSARY
;
1037 skb_checksum_none_assert(skb
);
1039 skb
->truesize
= skb
->len
+ sizeof(struct sk_buff
);
1040 skb
->protocol
= eth_type_trans(skb
, adapter
->netdev
);
1042 vlanf
= AMAP_GET_BITS(struct amap_eth_rx_compl
, vtp
, rxcp
);
1043 vtm
= AMAP_GET_BITS(struct amap_eth_rx_compl
, vtm
, rxcp
);
1045 /* vlanf could be wrongly set in some cards.
1046 * ignore if vtm is not set */
1047 if ((adapter
->function_mode
& 0x400) && !vtm
)
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 skb
= napi_get_frags(&eq_obj
->napi
);
1092 be_rx_compl_discard(adapter
, rxo
, rxcp
);
1096 remaining
= pkt_size
;
1097 for (i
= 0, j
= -1; i
< num_rcvd
; i
++) {
1098 page_info
= get_rx_page_info(adapter
, rxo
, rxq_idx
);
1100 curr_frag_len
= min(remaining
, rx_frag_size
);
1102 /* Coalesce all frags from the same physical page in one slot */
1103 if (i
== 0 || page_info
->page_offset
== 0) {
1104 /* First frag or Fresh page */
1106 skb_shinfo(skb
)->frags
[j
].page
= page_info
->page
;
1107 skb_shinfo(skb
)->frags
[j
].page_offset
=
1108 page_info
->page_offset
;
1109 skb_shinfo(skb
)->frags
[j
].size
= 0;
1111 put_page(page_info
->page
);
1113 skb_shinfo(skb
)->frags
[j
].size
+= curr_frag_len
;
1115 remaining
-= curr_frag_len
;
1116 index_inc(&rxq_idx
, rxq
->len
);
1117 memset(page_info
, 0, sizeof(*page_info
));
1119 BUG_ON(j
> MAX_SKB_FRAGS
);
1121 skb_shinfo(skb
)->nr_frags
= j
+ 1;
1122 skb
->len
= pkt_size
;
1123 skb
->data_len
= pkt_size
;
1124 skb
->truesize
+= pkt_size
;
1125 skb
->ip_summed
= CHECKSUM_UNNECESSARY
;
1127 if (likely(!vlanf
)) {
1128 napi_gro_frags(&eq_obj
->napi
);
1130 vid
= AMAP_GET_BITS(struct amap_eth_rx_compl
, vlan_tag
, rxcp
);
1131 if (!lancer_chip(adapter
))
1134 if (!adapter
->vlan_grp
|| adapter
->vlans_added
== 0)
1137 vlan_gro_frags(&eq_obj
->napi
, adapter
->vlan_grp
, vid
);
1140 be_rx_stats_update(rxo
, pkt_size
, num_rcvd
, pkt_type
);
1143 static struct be_eth_rx_compl
*be_rx_compl_get(struct be_rx_obj
*rxo
)
1145 struct be_eth_rx_compl
*rxcp
= queue_tail_node(&rxo
->cq
);
1147 if (rxcp
->dw
[offsetof(struct amap_eth_rx_compl
, valid
) / 32] == 0)
1151 be_dws_le_to_cpu(rxcp
, sizeof(*rxcp
));
1153 queue_tail_inc(&rxo
->cq
);
1157 /* To reset the valid bit, we need to reset the whole word as
1158 * when walking the queue the valid entries are little-endian
1159 * and invalid entries are host endian
1161 static inline void be_rx_compl_reset(struct be_eth_rx_compl
*rxcp
)
1163 rxcp
->dw
[offsetof(struct amap_eth_rx_compl
, valid
) / 32] = 0;
1166 static inline struct page
*be_alloc_pages(u32 size
)
1168 gfp_t alloc_flags
= GFP_ATOMIC
;
1169 u32 order
= get_order(size
);
1171 alloc_flags
|= __GFP_COMP
;
1172 return alloc_pages(alloc_flags
, order
);
1176 * Allocate a page, split it to fragments of size rx_frag_size and post as
1177 * receive buffers to BE
1179 static void be_post_rx_frags(struct be_rx_obj
*rxo
)
1181 struct be_adapter
*adapter
= rxo
->adapter
;
1182 struct be_rx_page_info
*page_info_tbl
= rxo
->page_info_tbl
;
1183 struct be_rx_page_info
*page_info
= NULL
, *prev_page_info
= NULL
;
1184 struct be_queue_info
*rxq
= &rxo
->q
;
1185 struct page
*pagep
= NULL
;
1186 struct be_eth_rx_d
*rxd
;
1187 u64 page_dmaaddr
= 0, frag_dmaaddr
;
1188 u32 posted
, page_offset
= 0;
1190 page_info
= &rxo
->page_info_tbl
[rxq
->head
];
1191 for (posted
= 0; posted
< MAX_RX_POST
&& !page_info
->page
; posted
++) {
1193 pagep
= be_alloc_pages(adapter
->big_page_size
);
1194 if (unlikely(!pagep
)) {
1195 rxo
->stats
.rx_post_fail
++;
1198 page_dmaaddr
= pci_map_page(adapter
->pdev
, pagep
, 0,
1199 adapter
->big_page_size
,
1200 PCI_DMA_FROMDEVICE
);
1201 page_info
->page_offset
= 0;
1204 page_info
->page_offset
= page_offset
+ rx_frag_size
;
1206 page_offset
= page_info
->page_offset
;
1207 page_info
->page
= pagep
;
1208 dma_unmap_addr_set(page_info
, bus
, page_dmaaddr
);
1209 frag_dmaaddr
= page_dmaaddr
+ page_info
->page_offset
;
1211 rxd
= queue_head_node(rxq
);
1212 rxd
->fragpa_lo
= cpu_to_le32(frag_dmaaddr
& 0xFFFFFFFF);
1213 rxd
->fragpa_hi
= cpu_to_le32(upper_32_bits(frag_dmaaddr
));
1215 /* Any space left in the current big page for another frag? */
1216 if ((page_offset
+ rx_frag_size
+ rx_frag_size
) >
1217 adapter
->big_page_size
) {
1219 page_info
->last_page_user
= true;
1222 prev_page_info
= page_info
;
1223 queue_head_inc(rxq
);
1224 page_info
= &page_info_tbl
[rxq
->head
];
1227 prev_page_info
->last_page_user
= true;
1230 atomic_add(posted
, &rxq
->used
);
1231 be_rxq_notify(adapter
, rxq
->id
, posted
);
1232 } else if (atomic_read(&rxq
->used
) == 0) {
1233 /* Let be_worker replenish when memory is available */
1234 rxo
->rx_post_starved
= true;
1238 static struct be_eth_tx_compl
*be_tx_compl_get(struct be_queue_info
*tx_cq
)
1240 struct be_eth_tx_compl
*txcp
= queue_tail_node(tx_cq
);
1242 if (txcp
->dw
[offsetof(struct amap_eth_tx_compl
, valid
) / 32] == 0)
1246 be_dws_le_to_cpu(txcp
, sizeof(*txcp
));
1248 txcp
->dw
[offsetof(struct amap_eth_tx_compl
, valid
) / 32] = 0;
1250 queue_tail_inc(tx_cq
);
1254 static void be_tx_compl_process(struct be_adapter
*adapter
, u16 last_index
)
1256 struct be_queue_info
*txq
= &adapter
->tx_obj
.q
;
1257 struct be_eth_wrb
*wrb
;
1258 struct sk_buff
**sent_skbs
= adapter
->tx_obj
.sent_skb_list
;
1259 struct sk_buff
*sent_skb
;
1260 u16 cur_index
, num_wrbs
= 1; /* account for hdr wrb */
1261 bool unmap_skb_hdr
= true;
1263 sent_skb
= sent_skbs
[txq
->tail
];
1265 sent_skbs
[txq
->tail
] = NULL
;
1267 /* skip header wrb */
1268 queue_tail_inc(txq
);
1271 cur_index
= txq
->tail
;
1272 wrb
= queue_tail_node(txq
);
1273 unmap_tx_frag(adapter
->pdev
, wrb
, (unmap_skb_hdr
&&
1274 skb_headlen(sent_skb
)));
1275 unmap_skb_hdr
= false;
1278 queue_tail_inc(txq
);
1279 } while (cur_index
!= last_index
);
1281 atomic_sub(num_wrbs
, &txq
->used
);
1283 kfree_skb(sent_skb
);
1286 static inline struct be_eq_entry
*event_get(struct be_eq_obj
*eq_obj
)
1288 struct be_eq_entry
*eqe
= queue_tail_node(&eq_obj
->q
);
1294 eqe
->evt
= le32_to_cpu(eqe
->evt
);
1295 queue_tail_inc(&eq_obj
->q
);
1299 static int event_handle(struct be_adapter
*adapter
,
1300 struct be_eq_obj
*eq_obj
)
1302 struct be_eq_entry
*eqe
;
1305 while ((eqe
= event_get(eq_obj
)) != NULL
) {
1310 /* Deal with any spurious interrupts that come
1313 be_eq_notify(adapter
, eq_obj
->q
.id
, true, true, num
);
1315 napi_schedule(&eq_obj
->napi
);
1320 /* Just read and notify events without processing them.
1321 * Used at the time of destroying event queues */
1322 static void be_eq_clean(struct be_adapter
*adapter
,
1323 struct be_eq_obj
*eq_obj
)
1325 struct be_eq_entry
*eqe
;
1328 while ((eqe
= event_get(eq_obj
)) != NULL
) {
1334 be_eq_notify(adapter
, eq_obj
->q
.id
, false, true, num
);
1337 static void be_rx_q_clean(struct be_adapter
*adapter
, struct be_rx_obj
*rxo
)
1339 struct be_rx_page_info
*page_info
;
1340 struct be_queue_info
*rxq
= &rxo
->q
;
1341 struct be_queue_info
*rx_cq
= &rxo
->cq
;
1342 struct be_eth_rx_compl
*rxcp
;
1345 /* First cleanup pending rx completions */
1346 while ((rxcp
= be_rx_compl_get(rxo
)) != NULL
) {
1347 be_rx_compl_discard(adapter
, rxo
, rxcp
);
1348 be_rx_compl_reset(rxcp
);
1349 be_cq_notify(adapter
, rx_cq
->id
, false, 1);
1352 /* Then free posted rx buffer that were not used */
1353 tail
= (rxq
->head
+ rxq
->len
- atomic_read(&rxq
->used
)) % rxq
->len
;
1354 for (; atomic_read(&rxq
->used
) > 0; index_inc(&tail
, rxq
->len
)) {
1355 page_info
= get_rx_page_info(adapter
, rxo
, tail
);
1356 put_page(page_info
->page
);
1357 memset(page_info
, 0, sizeof(*page_info
));
1359 BUG_ON(atomic_read(&rxq
->used
));
1362 static void be_tx_compl_clean(struct be_adapter
*adapter
)
1364 struct be_queue_info
*tx_cq
= &adapter
->tx_obj
.cq
;
1365 struct be_queue_info
*txq
= &adapter
->tx_obj
.q
;
1366 struct be_eth_tx_compl
*txcp
;
1367 u16 end_idx
, cmpl
= 0, timeo
= 0;
1368 struct sk_buff
**sent_skbs
= adapter
->tx_obj
.sent_skb_list
;
1369 struct sk_buff
*sent_skb
;
1372 /* Wait for a max of 200ms for all the tx-completions to arrive. */
1374 while ((txcp
= be_tx_compl_get(tx_cq
))) {
1375 end_idx
= AMAP_GET_BITS(struct amap_eth_tx_compl
,
1377 be_tx_compl_process(adapter
, end_idx
);
1381 be_cq_notify(adapter
, tx_cq
->id
, false, cmpl
);
1385 if (atomic_read(&txq
->used
) == 0 || ++timeo
> 200)
1391 if (atomic_read(&txq
->used
))
1392 dev_err(&adapter
->pdev
->dev
, "%d pending tx-completions\n",
1393 atomic_read(&txq
->used
));
1395 /* free posted tx for which compls will never arrive */
1396 while (atomic_read(&txq
->used
)) {
1397 sent_skb
= sent_skbs
[txq
->tail
];
1398 end_idx
= txq
->tail
;
1400 wrb_cnt_for_skb(adapter
, sent_skb
, &dummy_wrb
) - 1,
1402 be_tx_compl_process(adapter
, end_idx
);
1406 static void be_mcc_queues_destroy(struct be_adapter
*adapter
)
1408 struct be_queue_info
*q
;
1410 q
= &adapter
->mcc_obj
.q
;
1412 be_cmd_q_destroy(adapter
, q
, QTYPE_MCCQ
);
1413 be_queue_free(adapter
, q
);
1415 q
= &adapter
->mcc_obj
.cq
;
1417 be_cmd_q_destroy(adapter
, q
, QTYPE_CQ
);
1418 be_queue_free(adapter
, q
);
1421 /* Must be called only after TX qs are created as MCC shares TX EQ */
1422 static int be_mcc_queues_create(struct be_adapter
*adapter
)
1424 struct be_queue_info
*q
, *cq
;
1426 /* Alloc MCC compl queue */
1427 cq
= &adapter
->mcc_obj
.cq
;
1428 if (be_queue_alloc(adapter
, cq
, MCC_CQ_LEN
,
1429 sizeof(struct be_mcc_compl
)))
1432 /* Ask BE to create MCC compl queue; share TX's eq */
1433 if (be_cmd_cq_create(adapter
, cq
, &adapter
->tx_eq
.q
, false, true, 0))
1436 /* Alloc MCC queue */
1437 q
= &adapter
->mcc_obj
.q
;
1438 if (be_queue_alloc(adapter
, q
, MCC_Q_LEN
, sizeof(struct be_mcc_wrb
)))
1439 goto mcc_cq_destroy
;
1441 /* Ask BE to create MCC queue */
1442 if (be_cmd_mccq_create(adapter
, q
, cq
))
1448 be_queue_free(adapter
, q
);
1450 be_cmd_q_destroy(adapter
, cq
, QTYPE_CQ
);
1452 be_queue_free(adapter
, cq
);
1457 static void be_tx_queues_destroy(struct be_adapter
*adapter
)
1459 struct be_queue_info
*q
;
1461 q
= &adapter
->tx_obj
.q
;
1463 be_cmd_q_destroy(adapter
, q
, QTYPE_TXQ
);
1464 be_queue_free(adapter
, q
);
1466 q
= &adapter
->tx_obj
.cq
;
1468 be_cmd_q_destroy(adapter
, q
, QTYPE_CQ
);
1469 be_queue_free(adapter
, q
);
1471 /* Clear any residual events */
1472 be_eq_clean(adapter
, &adapter
->tx_eq
);
1474 q
= &adapter
->tx_eq
.q
;
1476 be_cmd_q_destroy(adapter
, q
, QTYPE_EQ
);
1477 be_queue_free(adapter
, q
);
1480 static int be_tx_queues_create(struct be_adapter
*adapter
)
1482 struct be_queue_info
*eq
, *q
, *cq
;
1484 adapter
->tx_eq
.max_eqd
= 0;
1485 adapter
->tx_eq
.min_eqd
= 0;
1486 adapter
->tx_eq
.cur_eqd
= 96;
1487 adapter
->tx_eq
.enable_aic
= false;
1488 /* Alloc Tx Event queue */
1489 eq
= &adapter
->tx_eq
.q
;
1490 if (be_queue_alloc(adapter
, eq
, EVNT_Q_LEN
, sizeof(struct be_eq_entry
)))
1493 /* Ask BE to create Tx Event queue */
1494 if (be_cmd_eq_create(adapter
, eq
, adapter
->tx_eq
.cur_eqd
))
1497 adapter
->tx_eq
.msix_vec_idx
= adapter
->msix_vec_next_idx
++;
1500 /* Alloc TX eth compl queue */
1501 cq
= &adapter
->tx_obj
.cq
;
1502 if (be_queue_alloc(adapter
, cq
, TX_CQ_LEN
,
1503 sizeof(struct be_eth_tx_compl
)))
1506 /* Ask BE to create Tx eth compl queue */
1507 if (be_cmd_cq_create(adapter
, cq
, eq
, false, false, 3))
1510 /* Alloc TX eth queue */
1511 q
= &adapter
->tx_obj
.q
;
1512 if (be_queue_alloc(adapter
, q
, TX_Q_LEN
, sizeof(struct be_eth_wrb
)))
1515 /* Ask BE to create Tx eth queue */
1516 if (be_cmd_txq_create(adapter
, q
, cq
))
1521 be_queue_free(adapter
, q
);
1523 be_cmd_q_destroy(adapter
, cq
, QTYPE_CQ
);
1525 be_queue_free(adapter
, cq
);
1527 be_cmd_q_destroy(adapter
, eq
, QTYPE_EQ
);
1529 be_queue_free(adapter
, eq
);
1533 static void be_rx_queues_destroy(struct be_adapter
*adapter
)
1535 struct be_queue_info
*q
;
1536 struct be_rx_obj
*rxo
;
1539 for_all_rx_queues(adapter
, rxo
, i
) {
1542 be_cmd_q_destroy(adapter
, q
, QTYPE_RXQ
);
1543 /* After the rxq is invalidated, wait for a grace time
1544 * of 1ms for all dma to end and the flush compl to
1548 be_rx_q_clean(adapter
, rxo
);
1550 be_queue_free(adapter
, q
);
1554 be_cmd_q_destroy(adapter
, q
, QTYPE_CQ
);
1555 be_queue_free(adapter
, q
);
1557 /* Clear any residual events */
1560 be_eq_clean(adapter
, &rxo
->rx_eq
);
1561 be_cmd_q_destroy(adapter
, q
, QTYPE_EQ
);
1563 be_queue_free(adapter
, q
);
1567 static int be_rx_queues_create(struct be_adapter
*adapter
)
1569 struct be_queue_info
*eq
, *q
, *cq
;
1570 struct be_rx_obj
*rxo
;
1573 adapter
->big_page_size
= (1 << get_order(rx_frag_size
)) * PAGE_SIZE
;
1574 for_all_rx_queues(adapter
, rxo
, i
) {
1575 rxo
->adapter
= adapter
;
1576 /* Init last_frag_index so that the frag index in the first
1577 * completion will never match */
1578 rxo
->last_frag_index
= 0xffff;
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
;
1719 u16 frag_index
, num_rcvd
;
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 frag_index
= AMAP_GET_BITS(struct amap_eth_rx_compl
, fragndx
,
1731 num_rcvd
= AMAP_GET_BITS(struct amap_eth_rx_compl
, numfrags
,
1734 /* Skip out-of-buffer compl(lancer) or flush compl(BE) */
1735 if (likely(frag_index
!= rxo
->last_frag_index
&&
1737 rxo
->last_frag_index
= frag_index
;
1739 if (do_gro(rxo
, rxcp
, err
))
1740 be_rx_compl_process_gro(adapter
, rxo
, rxcp
);
1742 be_rx_compl_process(adapter
, rxo
, rxcp
);
1745 be_rx_compl_reset(rxcp
);
1748 /* Refill the queue */
1749 if (atomic_read(&rxo
->q
.used
) < RX_FRAGS_REFILL_WM
)
1750 be_post_rx_frags(rxo
);
1753 if (work_done
< budget
) {
1754 napi_complete(napi
);
1755 be_cq_notify(adapter
, rx_cq
->id
, true, work_done
);
1757 /* More to be consumed; continue with interrupts disabled */
1758 be_cq_notify(adapter
, rx_cq
->id
, false, work_done
);
1763 /* As TX and MCC share the same EQ check for both TX and MCC completions.
1764 * For TX/MCC we don't honour budget; consume everything
1766 static int be_poll_tx_mcc(struct napi_struct
*napi
, int budget
)
1768 struct be_eq_obj
*tx_eq
= container_of(napi
, struct be_eq_obj
, napi
);
1769 struct be_adapter
*adapter
=
1770 container_of(tx_eq
, struct be_adapter
, tx_eq
);
1771 struct be_queue_info
*txq
= &adapter
->tx_obj
.q
;
1772 struct be_queue_info
*tx_cq
= &adapter
->tx_obj
.cq
;
1773 struct be_eth_tx_compl
*txcp
;
1774 int tx_compl
= 0, mcc_compl
, status
= 0;
1777 while ((txcp
= be_tx_compl_get(tx_cq
))) {
1778 end_idx
= AMAP_GET_BITS(struct amap_eth_tx_compl
,
1780 be_tx_compl_process(adapter
, end_idx
);
1784 mcc_compl
= be_process_mcc(adapter
, &status
);
1786 napi_complete(napi
);
1789 struct be_mcc_obj
*mcc_obj
= &adapter
->mcc_obj
;
1790 be_cq_notify(adapter
, mcc_obj
->cq
.id
, true, mcc_compl
);
1794 be_cq_notify(adapter
, adapter
->tx_obj
.cq
.id
, true, tx_compl
);
1796 /* As Tx wrbs have been freed up, wake up netdev queue if
1797 * it was stopped due to lack of tx wrbs.
1799 if (netif_queue_stopped(adapter
->netdev
) &&
1800 atomic_read(&txq
->used
) < txq
->len
/ 2) {
1801 netif_wake_queue(adapter
->netdev
);
1804 tx_stats(adapter
)->be_tx_events
++;
1805 tx_stats(adapter
)->be_tx_compl
+= tx_compl
;
1811 void be_detect_dump_ue(struct be_adapter
*adapter
)
1813 u32 ue_status_lo
, ue_status_hi
, ue_status_lo_mask
, ue_status_hi_mask
;
1816 pci_read_config_dword(adapter
->pdev
,
1817 PCICFG_UE_STATUS_LOW
, &ue_status_lo
);
1818 pci_read_config_dword(adapter
->pdev
,
1819 PCICFG_UE_STATUS_HIGH
, &ue_status_hi
);
1820 pci_read_config_dword(adapter
->pdev
,
1821 PCICFG_UE_STATUS_LOW_MASK
, &ue_status_lo_mask
);
1822 pci_read_config_dword(adapter
->pdev
,
1823 PCICFG_UE_STATUS_HI_MASK
, &ue_status_hi_mask
);
1825 ue_status_lo
= (ue_status_lo
& (~ue_status_lo_mask
));
1826 ue_status_hi
= (ue_status_hi
& (~ue_status_hi_mask
));
1828 if (ue_status_lo
|| ue_status_hi
) {
1829 adapter
->ue_detected
= true;
1830 dev_err(&adapter
->pdev
->dev
, "UE Detected!!\n");
1834 for (i
= 0; ue_status_lo
; ue_status_lo
>>= 1, i
++) {
1835 if (ue_status_lo
& 1)
1836 dev_err(&adapter
->pdev
->dev
,
1837 "UE: %s bit set\n", ue_status_low_desc
[i
]);
1841 for (i
= 0; ue_status_hi
; ue_status_hi
>>= 1, i
++) {
1842 if (ue_status_hi
& 1)
1843 dev_err(&adapter
->pdev
->dev
,
1844 "UE: %s bit set\n", ue_status_hi_desc
[i
]);
1850 static void be_worker(struct work_struct
*work
)
1852 struct be_adapter
*adapter
=
1853 container_of(work
, struct be_adapter
, work
.work
);
1854 struct be_rx_obj
*rxo
;
1857 /* when interrupts are not yet enabled, just reap any pending
1858 * mcc completions */
1859 if (!netif_running(adapter
->netdev
)) {
1860 int mcc_compl
, status
= 0;
1862 mcc_compl
= be_process_mcc(adapter
, &status
);
1865 struct be_mcc_obj
*mcc_obj
= &adapter
->mcc_obj
;
1866 be_cq_notify(adapter
, mcc_obj
->cq
.id
, false, mcc_compl
);
1871 if (!adapter
->stats_ioctl_sent
)
1872 be_cmd_get_stats(adapter
, &adapter
->stats_cmd
);
1874 be_tx_rate_update(adapter
);
1876 for_all_rx_queues(adapter
, rxo
, i
) {
1877 be_rx_rate_update(rxo
);
1878 be_rx_eqd_update(adapter
, rxo
);
1880 if (rxo
->rx_post_starved
) {
1881 rxo
->rx_post_starved
= false;
1882 be_post_rx_frags(rxo
);
1885 if (!adapter
->ue_detected
&& !lancer_chip(adapter
))
1886 be_detect_dump_ue(adapter
);
1889 schedule_delayed_work(&adapter
->work
, msecs_to_jiffies(1000));
1892 static void be_msix_disable(struct be_adapter
*adapter
)
1894 if (adapter
->msix_enabled
) {
1895 pci_disable_msix(adapter
->pdev
);
1896 adapter
->msix_enabled
= false;
1900 static int be_num_rxqs_get(struct be_adapter
*adapter
)
1902 if (multi_rxq
&& (adapter
->function_caps
& BE_FUNCTION_CAPS_RSS
) &&
1903 !adapter
->sriov_enabled
&& !(adapter
->function_mode
& 0x400)) {
1904 return 1 + MAX_RSS_QS
; /* one default non-RSS queue */
1906 dev_warn(&adapter
->pdev
->dev
,
1907 "No support for multiple RX queues\n");
1912 static void be_msix_enable(struct be_adapter
*adapter
)
1914 #define BE_MIN_MSIX_VECTORS (1 + 1) /* Rx + Tx */
1917 adapter
->num_rx_qs
= be_num_rxqs_get(adapter
);
1919 for (i
= 0; i
< (adapter
->num_rx_qs
+ 1); i
++)
1920 adapter
->msix_entries
[i
].entry
= i
;
1922 status
= pci_enable_msix(adapter
->pdev
, adapter
->msix_entries
,
1923 adapter
->num_rx_qs
+ 1);
1926 } else if (status
>= BE_MIN_MSIX_VECTORS
) {
1927 if (pci_enable_msix(adapter
->pdev
, adapter
->msix_entries
,
1929 adapter
->num_rx_qs
= status
- 1;
1930 dev_warn(&adapter
->pdev
->dev
,
1931 "Could alloc only %d MSIx vectors. "
1932 "Using %d RX Qs\n", status
, adapter
->num_rx_qs
);
1938 adapter
->msix_enabled
= true;
1941 static void be_sriov_enable(struct be_adapter
*adapter
)
1943 be_check_sriov_fn_type(adapter
);
1944 #ifdef CONFIG_PCI_IOV
1945 if (be_physfn(adapter
) && num_vfs
) {
1948 status
= pci_enable_sriov(adapter
->pdev
, num_vfs
);
1949 adapter
->sriov_enabled
= status
? false : true;
1954 static void be_sriov_disable(struct be_adapter
*adapter
)
1956 #ifdef CONFIG_PCI_IOV
1957 if (adapter
->sriov_enabled
) {
1958 pci_disable_sriov(adapter
->pdev
);
1959 adapter
->sriov_enabled
= false;
1964 static inline int be_msix_vec_get(struct be_adapter
*adapter
,
1965 struct be_eq_obj
*eq_obj
)
1967 return adapter
->msix_entries
[eq_obj
->msix_vec_idx
].vector
;
1970 static int be_request_irq(struct be_adapter
*adapter
,
1971 struct be_eq_obj
*eq_obj
,
1972 void *handler
, char *desc
, void *context
)
1974 struct net_device
*netdev
= adapter
->netdev
;
1977 sprintf(eq_obj
->desc
, "%s-%s", netdev
->name
, desc
);
1978 vec
= be_msix_vec_get(adapter
, eq_obj
);
1979 return request_irq(vec
, handler
, 0, eq_obj
->desc
, context
);
1982 static void be_free_irq(struct be_adapter
*adapter
, struct be_eq_obj
*eq_obj
,
1985 int vec
= be_msix_vec_get(adapter
, eq_obj
);
1986 free_irq(vec
, context
);
1989 static int be_msix_register(struct be_adapter
*adapter
)
1991 struct be_rx_obj
*rxo
;
1995 status
= be_request_irq(adapter
, &adapter
->tx_eq
, be_msix_tx_mcc
, "tx",
2000 for_all_rx_queues(adapter
, rxo
, i
) {
2001 sprintf(qname
, "rxq%d", i
);
2002 status
= be_request_irq(adapter
, &rxo
->rx_eq
, be_msix_rx
,
2011 be_free_irq(adapter
, &adapter
->tx_eq
, adapter
);
2013 for (i
--, rxo
= &adapter
->rx_obj
[i
]; i
>= 0; i
--, rxo
--)
2014 be_free_irq(adapter
, &rxo
->rx_eq
, rxo
);
2017 dev_warn(&adapter
->pdev
->dev
,
2018 "MSIX Request IRQ failed - err %d\n", status
);
2019 pci_disable_msix(adapter
->pdev
);
2020 adapter
->msix_enabled
= false;
2024 static int be_irq_register(struct be_adapter
*adapter
)
2026 struct net_device
*netdev
= adapter
->netdev
;
2029 if (adapter
->msix_enabled
) {
2030 status
= be_msix_register(adapter
);
2033 /* INTx is not supported for VF */
2034 if (!be_physfn(adapter
))
2039 netdev
->irq
= adapter
->pdev
->irq
;
2040 status
= request_irq(netdev
->irq
, be_intx
, IRQF_SHARED
, netdev
->name
,
2043 dev_err(&adapter
->pdev
->dev
,
2044 "INTx request IRQ failed - err %d\n", status
);
2048 adapter
->isr_registered
= true;
2052 static void be_irq_unregister(struct be_adapter
*adapter
)
2054 struct net_device
*netdev
= adapter
->netdev
;
2055 struct be_rx_obj
*rxo
;
2058 if (!adapter
->isr_registered
)
2062 if (!adapter
->msix_enabled
) {
2063 free_irq(netdev
->irq
, adapter
);
2068 be_free_irq(adapter
, &adapter
->tx_eq
, adapter
);
2070 for_all_rx_queues(adapter
, rxo
, i
)
2071 be_free_irq(adapter
, &rxo
->rx_eq
, rxo
);
2074 adapter
->isr_registered
= false;
2077 static int be_close(struct net_device
*netdev
)
2079 struct be_adapter
*adapter
= netdev_priv(netdev
);
2080 struct be_rx_obj
*rxo
;
2081 struct be_eq_obj
*tx_eq
= &adapter
->tx_eq
;
2084 be_async_mcc_disable(adapter
);
2086 netif_stop_queue(netdev
);
2087 netif_carrier_off(netdev
);
2088 adapter
->link_up
= false;
2090 if (!lancer_chip(adapter
))
2091 be_intr_set(adapter
, false);
2093 if (adapter
->msix_enabled
) {
2094 vec
= be_msix_vec_get(adapter
, tx_eq
);
2095 synchronize_irq(vec
);
2097 for_all_rx_queues(adapter
, rxo
, i
) {
2098 vec
= be_msix_vec_get(adapter
, &rxo
->rx_eq
);
2099 synchronize_irq(vec
);
2102 synchronize_irq(netdev
->irq
);
2104 be_irq_unregister(adapter
);
2106 for_all_rx_queues(adapter
, rxo
, i
)
2107 napi_disable(&rxo
->rx_eq
.napi
);
2109 napi_disable(&tx_eq
->napi
);
2111 /* Wait for all pending tx completions to arrive so that
2112 * all tx skbs are freed.
2114 be_tx_compl_clean(adapter
);
2119 static int be_open(struct net_device
*netdev
)
2121 struct be_adapter
*adapter
= netdev_priv(netdev
);
2122 struct be_eq_obj
*tx_eq
= &adapter
->tx_eq
;
2123 struct be_rx_obj
*rxo
;
2129 for_all_rx_queues(adapter
, rxo
, i
) {
2130 be_post_rx_frags(rxo
);
2131 napi_enable(&rxo
->rx_eq
.napi
);
2133 napi_enable(&tx_eq
->napi
);
2135 be_irq_register(adapter
);
2137 if (!lancer_chip(adapter
))
2138 be_intr_set(adapter
, true);
2140 /* The evt queues are created in unarmed state; arm them */
2141 for_all_rx_queues(adapter
, rxo
, i
) {
2142 be_eq_notify(adapter
, rxo
->rx_eq
.q
.id
, true, false, 0);
2143 be_cq_notify(adapter
, rxo
->cq
.id
, true, 0);
2145 be_eq_notify(adapter
, tx_eq
->q
.id
, true, false, 0);
2147 /* Now that interrupts are on we can process async mcc */
2148 be_async_mcc_enable(adapter
);
2150 status
= be_cmd_link_status_query(adapter
, &link_up
, &mac_speed
,
2154 be_link_status_update(adapter
, link_up
);
2156 if (be_physfn(adapter
)) {
2157 status
= be_vid_config(adapter
, false, 0);
2161 status
= be_cmd_set_flow_control(adapter
,
2162 adapter
->tx_fc
, adapter
->rx_fc
);
2169 be_close(adapter
->netdev
);
2173 static int be_setup_wol(struct be_adapter
*adapter
, bool enable
)
2175 struct be_dma_mem cmd
;
2179 memset(mac
, 0, ETH_ALEN
);
2181 cmd
.size
= sizeof(struct be_cmd_req_acpi_wol_magic_config
);
2182 cmd
.va
= pci_alloc_consistent(adapter
->pdev
, 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 pci_free_consistent(adapter
->pdev
, 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 pci_free_consistent(adapter
->pdev
, 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
);
2230 dev_err(&adapter
->pdev
->dev
,
2231 "Mac address add failed for VF %d\n", vf
);
2233 memcpy(adapter
->vf_cfg
[vf
].vf_mac_addr
, mac
, ETH_ALEN
);
2240 static inline void be_vf_eth_addr_rem(struct be_adapter
*adapter
)
2244 for (vf
= 0; vf
< num_vfs
; vf
++) {
2245 if (adapter
->vf_cfg
[vf
].vf_pmac_id
!= BE_INVALID_PMAC_ID
)
2246 be_cmd_pmac_del(adapter
,
2247 adapter
->vf_cfg
[vf
].vf_if_handle
,
2248 adapter
->vf_cfg
[vf
].vf_pmac_id
);
2252 static int be_setup(struct be_adapter
*adapter
)
2254 struct net_device
*netdev
= adapter
->netdev
;
2255 u32 cap_flags
, en_flags
, vf
= 0;
2259 cap_flags
= en_flags
= BE_IF_FLAGS_UNTAGGED
| BE_IF_FLAGS_BROADCAST
;
2261 if (be_physfn(adapter
)) {
2262 cap_flags
|= BE_IF_FLAGS_MCAST_PROMISCUOUS
|
2263 BE_IF_FLAGS_PROMISCUOUS
|
2264 BE_IF_FLAGS_PASS_L3L4_ERRORS
;
2265 en_flags
|= BE_IF_FLAGS_PASS_L3L4_ERRORS
;
2267 if (be_multi_rxq(adapter
)) {
2268 cap_flags
|= BE_IF_FLAGS_RSS
;
2269 en_flags
|= BE_IF_FLAGS_RSS
;
2273 status
= be_cmd_if_create(adapter
, cap_flags
, en_flags
,
2274 netdev
->dev_addr
, false/* pmac_invalid */,
2275 &adapter
->if_handle
, &adapter
->pmac_id
, 0);
2279 if (be_physfn(adapter
)) {
2280 while (vf
< num_vfs
) {
2281 cap_flags
= en_flags
= BE_IF_FLAGS_UNTAGGED
2282 | BE_IF_FLAGS_BROADCAST
;
2283 status
= be_cmd_if_create(adapter
, cap_flags
, en_flags
,
2285 &adapter
->vf_cfg
[vf
].vf_if_handle
,
2288 dev_err(&adapter
->pdev
->dev
,
2289 "Interface Create failed for VF %d\n", vf
);
2292 adapter
->vf_cfg
[vf
].vf_pmac_id
= BE_INVALID_PMAC_ID
;
2295 } else if (!be_physfn(adapter
)) {
2296 status
= be_cmd_mac_addr_query(adapter
, mac
,
2297 MAC_ADDRESS_TYPE_NETWORK
, false, adapter
->if_handle
);
2299 memcpy(adapter
->netdev
->dev_addr
, mac
, ETH_ALEN
);
2300 memcpy(adapter
->netdev
->perm_addr
, mac
, ETH_ALEN
);
2304 status
= be_tx_queues_create(adapter
);
2308 status
= be_rx_queues_create(adapter
);
2312 status
= be_mcc_queues_create(adapter
);
2316 if (be_physfn(adapter
)) {
2317 status
= be_vf_eth_addr_config(adapter
);
2322 adapter
->link_speed
= -1;
2327 if (be_physfn(adapter
))
2328 be_vf_eth_addr_rem(adapter
);
2329 be_mcc_queues_destroy(adapter
);
2331 be_rx_queues_destroy(adapter
);
2333 be_tx_queues_destroy(adapter
);
2335 for (vf
= 0; vf
< num_vfs
; vf
++)
2336 if (adapter
->vf_cfg
[vf
].vf_if_handle
)
2337 be_cmd_if_destroy(adapter
,
2338 adapter
->vf_cfg
[vf
].vf_if_handle
);
2339 be_cmd_if_destroy(adapter
, adapter
->if_handle
);
2344 static int be_clear(struct be_adapter
*adapter
)
2346 if (be_physfn(adapter
))
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 be_cmd_if_destroy(adapter
, adapter
->if_handle
);
2355 /* tell fw we're done with firing cmds */
2356 be_cmd_fw_clean(adapter
);
2361 #define FW_FILE_HDR_SIGN "ServerEngines Corp. "
2362 static bool be_flash_redboot(struct be_adapter
*adapter
,
2363 const u8
*p
, u32 img_start
, int image_size
,
2370 crc_offset
= hdr_size
+ img_start
+ image_size
- 4;
2374 status
= be_cmd_get_flash_crc(adapter
, flashed_crc
,
2377 dev_err(&adapter
->pdev
->dev
,
2378 "could not get crc from flash, not flashing redboot\n");
2382 /*update redboot only if crc does not match*/
2383 if (!memcmp(flashed_crc
, p
, 4))
2389 static int be_flash_data(struct be_adapter
*adapter
,
2390 const struct firmware
*fw
,
2391 struct be_dma_mem
*flash_cmd
, int num_of_images
)
2394 int status
= 0, i
, filehdr_size
= 0;
2395 u32 total_bytes
= 0, flash_op
;
2397 const u8
*p
= fw
->data
;
2398 struct be_cmd_write_flashrom
*req
= flash_cmd
->va
;
2399 const struct flash_comp
*pflashcomp
;
2402 static const struct flash_comp gen3_flash_types
[9] = {
2403 { FLASH_iSCSI_PRIMARY_IMAGE_START_g3
, IMG_TYPE_ISCSI_ACTIVE
,
2404 FLASH_IMAGE_MAX_SIZE_g3
},
2405 { FLASH_REDBOOT_START_g3
, IMG_TYPE_REDBOOT
,
2406 FLASH_REDBOOT_IMAGE_MAX_SIZE_g3
},
2407 { FLASH_iSCSI_BIOS_START_g3
, IMG_TYPE_BIOS
,
2408 FLASH_BIOS_IMAGE_MAX_SIZE_g3
},
2409 { FLASH_PXE_BIOS_START_g3
, IMG_TYPE_PXE_BIOS
,
2410 FLASH_BIOS_IMAGE_MAX_SIZE_g3
},
2411 { FLASH_FCoE_BIOS_START_g3
, IMG_TYPE_FCOE_BIOS
,
2412 FLASH_BIOS_IMAGE_MAX_SIZE_g3
},
2413 { FLASH_iSCSI_BACKUP_IMAGE_START_g3
, IMG_TYPE_ISCSI_BACKUP
,
2414 FLASH_IMAGE_MAX_SIZE_g3
},
2415 { FLASH_FCoE_PRIMARY_IMAGE_START_g3
, IMG_TYPE_FCOE_FW_ACTIVE
,
2416 FLASH_IMAGE_MAX_SIZE_g3
},
2417 { FLASH_FCoE_BACKUP_IMAGE_START_g3
, IMG_TYPE_FCOE_FW_BACKUP
,
2418 FLASH_IMAGE_MAX_SIZE_g3
},
2419 { FLASH_NCSI_START_g3
, IMG_TYPE_NCSI_FW
,
2420 FLASH_NCSI_IMAGE_MAX_SIZE_g3
}
2422 static const struct flash_comp gen2_flash_types
[8] = {
2423 { FLASH_iSCSI_PRIMARY_IMAGE_START_g2
, IMG_TYPE_ISCSI_ACTIVE
,
2424 FLASH_IMAGE_MAX_SIZE_g2
},
2425 { FLASH_REDBOOT_START_g2
, IMG_TYPE_REDBOOT
,
2426 FLASH_REDBOOT_IMAGE_MAX_SIZE_g2
},
2427 { FLASH_iSCSI_BIOS_START_g2
, IMG_TYPE_BIOS
,
2428 FLASH_BIOS_IMAGE_MAX_SIZE_g2
},
2429 { FLASH_PXE_BIOS_START_g2
, IMG_TYPE_PXE_BIOS
,
2430 FLASH_BIOS_IMAGE_MAX_SIZE_g2
},
2431 { FLASH_FCoE_BIOS_START_g2
, IMG_TYPE_FCOE_BIOS
,
2432 FLASH_BIOS_IMAGE_MAX_SIZE_g2
},
2433 { FLASH_iSCSI_BACKUP_IMAGE_START_g2
, IMG_TYPE_ISCSI_BACKUP
,
2434 FLASH_IMAGE_MAX_SIZE_g2
},
2435 { FLASH_FCoE_PRIMARY_IMAGE_START_g2
, IMG_TYPE_FCOE_FW_ACTIVE
,
2436 FLASH_IMAGE_MAX_SIZE_g2
},
2437 { FLASH_FCoE_BACKUP_IMAGE_START_g2
, IMG_TYPE_FCOE_FW_BACKUP
,
2438 FLASH_IMAGE_MAX_SIZE_g2
}
2441 if (adapter
->generation
== BE_GEN3
) {
2442 pflashcomp
= gen3_flash_types
;
2443 filehdr_size
= sizeof(struct flash_file_hdr_g3
);
2444 num_comp
= ARRAY_SIZE(gen3_flash_types
);
2446 pflashcomp
= gen2_flash_types
;
2447 filehdr_size
= sizeof(struct flash_file_hdr_g2
);
2448 num_comp
= ARRAY_SIZE(gen2_flash_types
);
2450 for (i
= 0; i
< num_comp
; i
++) {
2451 if ((pflashcomp
[i
].optype
== IMG_TYPE_NCSI_FW
) &&
2452 memcmp(adapter
->fw_ver
, "3.102.148.0", 11) < 0)
2454 if ((pflashcomp
[i
].optype
== IMG_TYPE_REDBOOT
) &&
2455 (!be_flash_redboot(adapter
, fw
->data
,
2456 pflashcomp
[i
].offset
, pflashcomp
[i
].size
,
2460 p
+= filehdr_size
+ pflashcomp
[i
].offset
2461 + (num_of_images
* sizeof(struct image_hdr
));
2462 if (p
+ pflashcomp
[i
].size
> fw
->data
+ fw
->size
)
2464 total_bytes
= pflashcomp
[i
].size
;
2465 while (total_bytes
) {
2466 if (total_bytes
> 32*1024)
2467 num_bytes
= 32*1024;
2469 num_bytes
= total_bytes
;
2470 total_bytes
-= num_bytes
;
2473 flash_op
= FLASHROM_OPER_FLASH
;
2475 flash_op
= FLASHROM_OPER_SAVE
;
2476 memcpy(req
->params
.data_buf
, p
, num_bytes
);
2478 status
= be_cmd_write_flashrom(adapter
, flash_cmd
,
2479 pflashcomp
[i
].optype
, flash_op
, num_bytes
);
2481 dev_err(&adapter
->pdev
->dev
,
2482 "cmd to write to flash rom failed.\n");
2491 static int get_ufigen_type(struct flash_file_hdr_g2
*fhdr
)
2495 if (fhdr
->build
[0] == '3')
2497 else if (fhdr
->build
[0] == '2')
2503 int be_load_fw(struct be_adapter
*adapter
, u8
*func
)
2505 char fw_file
[ETHTOOL_FLASH_MAX_FILENAME
];
2506 const struct firmware
*fw
;
2507 struct flash_file_hdr_g2
*fhdr
;
2508 struct flash_file_hdr_g3
*fhdr3
;
2509 struct image_hdr
*img_hdr_ptr
= NULL
;
2510 struct be_dma_mem flash_cmd
;
2511 int status
, i
= 0, num_imgs
= 0;
2514 if (!netif_running(adapter
->netdev
)) {
2515 dev_err(&adapter
->pdev
->dev
,
2516 "Firmware load not allowed (interface is down)\n");
2520 strcpy(fw_file
, func
);
2522 status
= request_firmware(&fw
, fw_file
, &adapter
->pdev
->dev
);
2527 fhdr
= (struct flash_file_hdr_g2
*) p
;
2528 dev_info(&adapter
->pdev
->dev
, "Flashing firmware file %s\n", fw_file
);
2530 flash_cmd
.size
= sizeof(struct be_cmd_write_flashrom
) + 32*1024;
2531 flash_cmd
.va
= pci_alloc_consistent(adapter
->pdev
, flash_cmd
.size
,
2533 if (!flash_cmd
.va
) {
2535 dev_err(&adapter
->pdev
->dev
,
2536 "Memory allocation failure while flashing\n");
2540 if ((adapter
->generation
== BE_GEN3
) &&
2541 (get_ufigen_type(fhdr
) == BE_GEN3
)) {
2542 fhdr3
= (struct flash_file_hdr_g3
*) fw
->data
;
2543 num_imgs
= le32_to_cpu(fhdr3
->num_imgs
);
2544 for (i
= 0; i
< num_imgs
; i
++) {
2545 img_hdr_ptr
= (struct image_hdr
*) (fw
->data
+
2546 (sizeof(struct flash_file_hdr_g3
) +
2547 i
* sizeof(struct image_hdr
)));
2548 if (le32_to_cpu(img_hdr_ptr
->imageid
) == 1)
2549 status
= be_flash_data(adapter
, fw
, &flash_cmd
,
2552 } else if ((adapter
->generation
== BE_GEN2
) &&
2553 (get_ufigen_type(fhdr
) == BE_GEN2
)) {
2554 status
= be_flash_data(adapter
, fw
, &flash_cmd
, 0);
2556 dev_err(&adapter
->pdev
->dev
,
2557 "UFI and Interface are not compatible for flashing\n");
2561 pci_free_consistent(adapter
->pdev
, flash_cmd
.size
, flash_cmd
.va
,
2564 dev_err(&adapter
->pdev
->dev
, "Firmware load error\n");
2568 dev_info(&adapter
->pdev
->dev
, "Firmware flashed successfully\n");
2571 release_firmware(fw
);
2575 static struct net_device_ops be_netdev_ops
= {
2576 .ndo_open
= be_open
,
2577 .ndo_stop
= be_close
,
2578 .ndo_start_xmit
= be_xmit
,
2579 .ndo_set_rx_mode
= be_set_multicast_list
,
2580 .ndo_set_mac_address
= be_mac_addr_set
,
2581 .ndo_change_mtu
= be_change_mtu
,
2582 .ndo_validate_addr
= eth_validate_addr
,
2583 .ndo_vlan_rx_register
= be_vlan_register
,
2584 .ndo_vlan_rx_add_vid
= be_vlan_add_vid
,
2585 .ndo_vlan_rx_kill_vid
= be_vlan_rem_vid
,
2586 .ndo_set_vf_mac
= be_set_vf_mac
,
2587 .ndo_set_vf_vlan
= be_set_vf_vlan
,
2588 .ndo_set_vf_tx_rate
= be_set_vf_tx_rate
,
2589 .ndo_get_vf_config
= be_get_vf_config
2592 static void be_netdev_init(struct net_device
*netdev
)
2594 struct be_adapter
*adapter
= netdev_priv(netdev
);
2595 struct be_rx_obj
*rxo
;
2598 netdev
->features
|= NETIF_F_SG
| NETIF_F_HW_VLAN_RX
| NETIF_F_TSO
|
2599 NETIF_F_HW_VLAN_TX
| NETIF_F_HW_VLAN_FILTER
|
2600 NETIF_F_IP_CSUM
| NETIF_F_IPV6_CSUM
|
2601 NETIF_F_GRO
| NETIF_F_TSO6
;
2603 netdev
->vlan_features
|= NETIF_F_SG
| NETIF_F_TSO
|
2604 NETIF_F_IP_CSUM
| NETIF_F_IPV6_CSUM
;
2606 if (lancer_chip(adapter
))
2607 netdev
->vlan_features
|= NETIF_F_TSO6
;
2609 netdev
->flags
|= IFF_MULTICAST
;
2611 adapter
->rx_csum
= true;
2613 /* Default settings for Rx and Tx flow control */
2614 adapter
->rx_fc
= true;
2615 adapter
->tx_fc
= true;
2617 netif_set_gso_max_size(netdev
, 65535);
2619 BE_SET_NETDEV_OPS(netdev
, &be_netdev_ops
);
2621 SET_ETHTOOL_OPS(netdev
, &be_ethtool_ops
);
2623 for_all_rx_queues(adapter
, rxo
, i
)
2624 netif_napi_add(netdev
, &rxo
->rx_eq
.napi
, be_poll_rx
,
2627 netif_napi_add(netdev
, &adapter
->tx_eq
.napi
, be_poll_tx_mcc
,
2631 static void be_unmap_pci_bars(struct be_adapter
*adapter
)
2634 iounmap(adapter
->csr
);
2636 iounmap(adapter
->db
);
2637 if (adapter
->pcicfg
&& be_physfn(adapter
))
2638 iounmap(adapter
->pcicfg
);
2641 static int be_map_pci_bars(struct be_adapter
*adapter
)
2644 int pcicfg_reg
, db_reg
;
2646 if (lancer_chip(adapter
)) {
2647 addr
= ioremap_nocache(pci_resource_start(adapter
->pdev
, 0),
2648 pci_resource_len(adapter
->pdev
, 0));
2655 if (be_physfn(adapter
)) {
2656 addr
= ioremap_nocache(pci_resource_start(adapter
->pdev
, 2),
2657 pci_resource_len(adapter
->pdev
, 2));
2660 adapter
->csr
= addr
;
2663 if (adapter
->generation
== BE_GEN2
) {
2668 if (be_physfn(adapter
))
2673 addr
= ioremap_nocache(pci_resource_start(adapter
->pdev
, db_reg
),
2674 pci_resource_len(adapter
->pdev
, db_reg
));
2679 if (be_physfn(adapter
)) {
2680 addr
= ioremap_nocache(
2681 pci_resource_start(adapter
->pdev
, pcicfg_reg
),
2682 pci_resource_len(adapter
->pdev
, pcicfg_reg
));
2685 adapter
->pcicfg
= addr
;
2687 adapter
->pcicfg
= adapter
->db
+ SRIOV_VF_PCICFG_OFFSET
;
2691 be_unmap_pci_bars(adapter
);
2696 static void be_ctrl_cleanup(struct be_adapter
*adapter
)
2698 struct be_dma_mem
*mem
= &adapter
->mbox_mem_alloced
;
2700 be_unmap_pci_bars(adapter
);
2703 pci_free_consistent(adapter
->pdev
, mem
->size
,
2706 mem
= &adapter
->mc_cmd_mem
;
2708 pci_free_consistent(adapter
->pdev
, mem
->size
,
2712 static int be_ctrl_init(struct be_adapter
*adapter
)
2714 struct be_dma_mem
*mbox_mem_alloc
= &adapter
->mbox_mem_alloced
;
2715 struct be_dma_mem
*mbox_mem_align
= &adapter
->mbox_mem
;
2716 struct be_dma_mem
*mc_cmd_mem
= &adapter
->mc_cmd_mem
;
2719 status
= be_map_pci_bars(adapter
);
2723 mbox_mem_alloc
->size
= sizeof(struct be_mcc_mailbox
) + 16;
2724 mbox_mem_alloc
->va
= pci_alloc_consistent(adapter
->pdev
,
2725 mbox_mem_alloc
->size
, &mbox_mem_alloc
->dma
);
2726 if (!mbox_mem_alloc
->va
) {
2728 goto unmap_pci_bars
;
2731 mbox_mem_align
->size
= sizeof(struct be_mcc_mailbox
);
2732 mbox_mem_align
->va
= PTR_ALIGN(mbox_mem_alloc
->va
, 16);
2733 mbox_mem_align
->dma
= PTR_ALIGN(mbox_mem_alloc
->dma
, 16);
2734 memset(mbox_mem_align
->va
, 0, sizeof(struct be_mcc_mailbox
));
2736 mc_cmd_mem
->size
= sizeof(struct be_cmd_req_mcast_mac_config
);
2737 mc_cmd_mem
->va
= pci_alloc_consistent(adapter
->pdev
, mc_cmd_mem
->size
,
2739 if (mc_cmd_mem
->va
== NULL
) {
2743 memset(mc_cmd_mem
->va
, 0, mc_cmd_mem
->size
);
2745 mutex_init(&adapter
->mbox_lock
);
2746 spin_lock_init(&adapter
->mcc_lock
);
2747 spin_lock_init(&adapter
->mcc_cq_lock
);
2749 init_completion(&adapter
->flash_compl
);
2750 pci_save_state(adapter
->pdev
);
2754 pci_free_consistent(adapter
->pdev
, mbox_mem_alloc
->size
,
2755 mbox_mem_alloc
->va
, mbox_mem_alloc
->dma
);
2758 be_unmap_pci_bars(adapter
);
2764 static void be_stats_cleanup(struct be_adapter
*adapter
)
2766 struct be_dma_mem
*cmd
= &adapter
->stats_cmd
;
2769 pci_free_consistent(adapter
->pdev
, cmd
->size
,
2773 static int be_stats_init(struct be_adapter
*adapter
)
2775 struct be_dma_mem
*cmd
= &adapter
->stats_cmd
;
2777 cmd
->size
= sizeof(struct be_cmd_req_get_stats
);
2778 cmd
->va
= pci_alloc_consistent(adapter
->pdev
, cmd
->size
, &cmd
->dma
);
2779 if (cmd
->va
== NULL
)
2781 memset(cmd
->va
, 0, cmd
->size
);
2785 static void __devexit
be_remove(struct pci_dev
*pdev
)
2787 struct be_adapter
*adapter
= pci_get_drvdata(pdev
);
2792 cancel_delayed_work_sync(&adapter
->work
);
2794 unregister_netdev(adapter
->netdev
);
2798 be_stats_cleanup(adapter
);
2800 be_ctrl_cleanup(adapter
);
2802 be_sriov_disable(adapter
);
2804 be_msix_disable(adapter
);
2806 pci_set_drvdata(pdev
, NULL
);
2807 pci_release_regions(pdev
);
2808 pci_disable_device(pdev
);
2810 free_netdev(adapter
->netdev
);
2813 static int be_get_config(struct be_adapter
*adapter
)
2818 status
= be_cmd_get_fw_ver(adapter
, adapter
->fw_ver
);
2822 status
= be_cmd_query_fw_cfg(adapter
, &adapter
->port_num
,
2823 &adapter
->function_mode
, &adapter
->function_caps
);
2827 memset(mac
, 0, ETH_ALEN
);
2829 if (be_physfn(adapter
)) {
2830 status
= be_cmd_mac_addr_query(adapter
, mac
,
2831 MAC_ADDRESS_TYPE_NETWORK
, true /*permanent */, 0);
2836 if (!is_valid_ether_addr(mac
))
2837 return -EADDRNOTAVAIL
;
2839 memcpy(adapter
->netdev
->dev_addr
, mac
, ETH_ALEN
);
2840 memcpy(adapter
->netdev
->perm_addr
, mac
, ETH_ALEN
);
2843 if (adapter
->function_mode
& 0x400)
2844 adapter
->max_vlans
= BE_NUM_VLANS_SUPPORTED
/4;
2846 adapter
->max_vlans
= BE_NUM_VLANS_SUPPORTED
;
2851 static int be_dev_family_check(struct be_adapter
*adapter
)
2853 struct pci_dev
*pdev
= adapter
->pdev
;
2854 u32 sli_intf
= 0, if_type
;
2856 switch (pdev
->device
) {
2859 adapter
->generation
= BE_GEN2
;
2863 adapter
->generation
= BE_GEN3
;
2866 pci_read_config_dword(pdev
, SLI_INTF_REG_OFFSET
, &sli_intf
);
2867 if_type
= (sli_intf
& SLI_INTF_IF_TYPE_MASK
) >>
2868 SLI_INTF_IF_TYPE_SHIFT
;
2870 if (((sli_intf
& SLI_INTF_VALID_MASK
) != SLI_INTF_VALID
) ||
2872 dev_err(&pdev
->dev
, "SLI_INTF reg val is not valid\n");
2876 dev_err(&pdev
->dev
, "VFs not supported\n");
2879 adapter
->sli_family
= ((sli_intf
& SLI_INTF_FAMILY_MASK
) >>
2880 SLI_INTF_FAMILY_SHIFT
);
2881 adapter
->generation
= BE_GEN3
;
2884 adapter
->generation
= 0;
2889 static int __devinit
be_probe(struct pci_dev
*pdev
,
2890 const struct pci_device_id
*pdev_id
)
2893 struct be_adapter
*adapter
;
2894 struct net_device
*netdev
;
2896 status
= pci_enable_device(pdev
);
2900 status
= pci_request_regions(pdev
, DRV_NAME
);
2903 pci_set_master(pdev
);
2905 netdev
= alloc_etherdev(sizeof(struct be_adapter
));
2906 if (netdev
== NULL
) {
2910 adapter
= netdev_priv(netdev
);
2911 adapter
->pdev
= pdev
;
2912 pci_set_drvdata(pdev
, adapter
);
2914 status
= be_dev_family_check(adapter
);
2918 adapter
->netdev
= netdev
;
2919 SET_NETDEV_DEV(netdev
, &pdev
->dev
);
2921 status
= pci_set_dma_mask(pdev
, DMA_BIT_MASK(64));
2923 netdev
->features
|= NETIF_F_HIGHDMA
;
2925 status
= pci_set_dma_mask(pdev
, DMA_BIT_MASK(32));
2927 dev_err(&pdev
->dev
, "Could not set PCI DMA Mask\n");
2932 be_sriov_enable(adapter
);
2934 status
= be_ctrl_init(adapter
);
2938 /* sync up with fw's ready state */
2939 if (be_physfn(adapter
)) {
2940 status
= be_cmd_POST(adapter
);
2945 /* tell fw we're ready to fire cmds */
2946 status
= be_cmd_fw_init(adapter
);
2950 if (be_physfn(adapter
)) {
2951 status
= be_cmd_reset_function(adapter
);
2956 status
= be_stats_init(adapter
);
2960 status
= be_get_config(adapter
);
2964 be_msix_enable(adapter
);
2966 INIT_DELAYED_WORK(&adapter
->work
, be_worker
);
2968 status
= be_setup(adapter
);
2972 be_netdev_init(netdev
);
2973 status
= register_netdev(netdev
);
2976 netif_carrier_off(netdev
);
2978 dev_info(&pdev
->dev
, "%s port %d\n", nic_name(pdev
), adapter
->port_num
);
2979 schedule_delayed_work(&adapter
->work
, msecs_to_jiffies(100));
2985 be_msix_disable(adapter
);
2987 be_stats_cleanup(adapter
);
2989 be_ctrl_cleanup(adapter
);
2991 be_sriov_disable(adapter
);
2992 free_netdev(netdev
);
2993 pci_set_drvdata(pdev
, NULL
);
2995 pci_release_regions(pdev
);
2997 pci_disable_device(pdev
);
2999 dev_err(&pdev
->dev
, "%s initialization failed\n", nic_name(pdev
));
3003 static int be_suspend(struct pci_dev
*pdev
, pm_message_t state
)
3005 struct be_adapter
*adapter
= pci_get_drvdata(pdev
);
3006 struct net_device
*netdev
= adapter
->netdev
;
3009 be_setup_wol(adapter
, true);
3011 netif_device_detach(netdev
);
3012 if (netif_running(netdev
)) {
3017 be_cmd_get_flow_control(adapter
, &adapter
->tx_fc
, &adapter
->rx_fc
);
3020 pci_save_state(pdev
);
3021 pci_disable_device(pdev
);
3022 pci_set_power_state(pdev
, pci_choose_state(pdev
, state
));
3026 static int be_resume(struct pci_dev
*pdev
)
3029 struct be_adapter
*adapter
= pci_get_drvdata(pdev
);
3030 struct net_device
*netdev
= adapter
->netdev
;
3032 netif_device_detach(netdev
);
3034 status
= pci_enable_device(pdev
);
3038 pci_set_power_state(pdev
, 0);
3039 pci_restore_state(pdev
);
3041 /* tell fw we're ready to fire cmds */
3042 status
= be_cmd_fw_init(adapter
);
3047 if (netif_running(netdev
)) {
3052 netif_device_attach(netdev
);
3055 be_setup_wol(adapter
, false);
3060 * An FLR will stop BE from DMAing any data.
3062 static void be_shutdown(struct pci_dev
*pdev
)
3064 struct be_adapter
*adapter
= pci_get_drvdata(pdev
);
3065 struct net_device
*netdev
= adapter
->netdev
;
3067 netif_device_detach(netdev
);
3069 be_cmd_reset_function(adapter
);
3072 be_setup_wol(adapter
, true);
3074 pci_disable_device(pdev
);
3077 static pci_ers_result_t
be_eeh_err_detected(struct pci_dev
*pdev
,
3078 pci_channel_state_t state
)
3080 struct be_adapter
*adapter
= pci_get_drvdata(pdev
);
3081 struct net_device
*netdev
= adapter
->netdev
;
3083 dev_err(&adapter
->pdev
->dev
, "EEH error detected\n");
3085 adapter
->eeh_err
= true;
3087 netif_device_detach(netdev
);
3089 if (netif_running(netdev
)) {
3096 if (state
== pci_channel_io_perm_failure
)
3097 return PCI_ERS_RESULT_DISCONNECT
;
3099 pci_disable_device(pdev
);
3101 return PCI_ERS_RESULT_NEED_RESET
;
3104 static pci_ers_result_t
be_eeh_reset(struct pci_dev
*pdev
)
3106 struct be_adapter
*adapter
= pci_get_drvdata(pdev
);
3109 dev_info(&adapter
->pdev
->dev
, "EEH reset\n");
3110 adapter
->eeh_err
= false;
3112 status
= pci_enable_device(pdev
);
3114 return PCI_ERS_RESULT_DISCONNECT
;
3116 pci_set_master(pdev
);
3117 pci_set_power_state(pdev
, 0);
3118 pci_restore_state(pdev
);
3120 /* Check if card is ok and fw is ready */
3121 status
= be_cmd_POST(adapter
);
3123 return PCI_ERS_RESULT_DISCONNECT
;
3125 return PCI_ERS_RESULT_RECOVERED
;
3128 static void be_eeh_resume(struct pci_dev
*pdev
)
3131 struct be_adapter
*adapter
= pci_get_drvdata(pdev
);
3132 struct net_device
*netdev
= adapter
->netdev
;
3134 dev_info(&adapter
->pdev
->dev
, "EEH resume\n");
3136 pci_save_state(pdev
);
3138 /* tell fw we're ready to fire cmds */
3139 status
= be_cmd_fw_init(adapter
);
3143 status
= be_setup(adapter
);
3147 if (netif_running(netdev
)) {
3148 status
= be_open(netdev
);
3152 netif_device_attach(netdev
);
3155 dev_err(&adapter
->pdev
->dev
, "EEH resume failed\n");
3158 static struct pci_error_handlers be_eeh_handlers
= {
3159 .error_detected
= be_eeh_err_detected
,
3160 .slot_reset
= be_eeh_reset
,
3161 .resume
= be_eeh_resume
,
3164 static struct pci_driver be_driver
= {
3166 .id_table
= be_dev_ids
,
3168 .remove
= be_remove
,
3169 .suspend
= be_suspend
,
3170 .resume
= be_resume
,
3171 .shutdown
= be_shutdown
,
3172 .err_handler
= &be_eeh_handlers
3175 static int __init
be_init_module(void)
3177 if (rx_frag_size
!= 8192 && rx_frag_size
!= 4096 &&
3178 rx_frag_size
!= 2048) {
3179 printk(KERN_WARNING DRV_NAME
3180 " : Module param rx_frag_size must be 2048/4096/8192."
3182 rx_frag_size
= 2048;
3186 printk(KERN_WARNING DRV_NAME
3187 " : Module param num_vfs must not be greater than 32."
3192 return pci_register_driver(&be_driver
);
3194 module_init(be_init_module
);
3196 static void __exit
be_exit_module(void)
3198 pci_unregister_driver(&be_driver
);
3200 module_exit(be_exit_module
);