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 DEFINE_PCI_DEVICE_TABLE(be_dev_ids
) = {
36 { PCI_DEVICE(BE_VENDOR_ID
, BE_DEVICE_ID1
) },
37 { PCI_DEVICE(BE_VENDOR_ID
, BE_DEVICE_ID2
) },
38 { PCI_DEVICE(BE_VENDOR_ID
, OC_DEVICE_ID1
) },
39 { PCI_DEVICE(BE_VENDOR_ID
, OC_DEVICE_ID2
) },
42 MODULE_DEVICE_TABLE(pci
, be_dev_ids
);
44 static void be_queue_free(struct be_adapter
*adapter
, struct be_queue_info
*q
)
46 struct be_dma_mem
*mem
= &q
->dma_mem
;
48 pci_free_consistent(adapter
->pdev
, mem
->size
,
52 static int be_queue_alloc(struct be_adapter
*adapter
, struct be_queue_info
*q
,
53 u16 len
, u16 entry_size
)
55 struct be_dma_mem
*mem
= &q
->dma_mem
;
57 memset(q
, 0, sizeof(*q
));
59 q
->entry_size
= entry_size
;
60 mem
->size
= len
* entry_size
;
61 mem
->va
= pci_alloc_consistent(adapter
->pdev
, mem
->size
, &mem
->dma
);
64 memset(mem
->va
, 0, mem
->size
);
68 static void be_intr_set(struct be_adapter
*adapter
, bool enable
)
70 u8 __iomem
*addr
= adapter
->pcicfg
+ PCICFG_MEMBAR_CTRL_INT_CTRL_OFFSET
;
71 u32 reg
= ioread32(addr
);
72 u32 enabled
= reg
& MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK
;
77 if (!enabled
&& enable
)
78 reg
|= MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK
;
79 else if (enabled
&& !enable
)
80 reg
&= ~MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK
;
87 static void be_rxq_notify(struct be_adapter
*adapter
, u16 qid
, u16 posted
)
90 val
|= qid
& DB_RQ_RING_ID_MASK
;
91 val
|= posted
<< DB_RQ_NUM_POSTED_SHIFT
;
94 iowrite32(val
, adapter
->db
+ DB_RQ_OFFSET
);
97 static void be_txq_notify(struct be_adapter
*adapter
, u16 qid
, u16 posted
)
100 val
|= qid
& DB_TXULP_RING_ID_MASK
;
101 val
|= (posted
& DB_TXULP_NUM_POSTED_MASK
) << DB_TXULP_NUM_POSTED_SHIFT
;
104 iowrite32(val
, adapter
->db
+ DB_TXULP1_OFFSET
);
107 static void be_eq_notify(struct be_adapter
*adapter
, u16 qid
,
108 bool arm
, bool clear_int
, u16 num_popped
)
111 val
|= qid
& DB_EQ_RING_ID_MASK
;
113 if (adapter
->eeh_err
)
117 val
|= 1 << DB_EQ_REARM_SHIFT
;
119 val
|= 1 << DB_EQ_CLR_SHIFT
;
120 val
|= 1 << DB_EQ_EVNT_SHIFT
;
121 val
|= num_popped
<< DB_EQ_NUM_POPPED_SHIFT
;
122 iowrite32(val
, adapter
->db
+ DB_EQ_OFFSET
);
125 void be_cq_notify(struct be_adapter
*adapter
, u16 qid
, bool arm
, u16 num_popped
)
128 val
|= qid
& DB_CQ_RING_ID_MASK
;
130 if (adapter
->eeh_err
)
134 val
|= 1 << DB_CQ_REARM_SHIFT
;
135 val
|= num_popped
<< DB_CQ_NUM_POPPED_SHIFT
;
136 iowrite32(val
, adapter
->db
+ DB_CQ_OFFSET
);
139 static int be_mac_addr_set(struct net_device
*netdev
, void *p
)
141 struct be_adapter
*adapter
= netdev_priv(netdev
);
142 struct sockaddr
*addr
= p
;
145 if (!is_valid_ether_addr(addr
->sa_data
))
146 return -EADDRNOTAVAIL
;
148 /* MAC addr configuration will be done in hardware for VFs
149 * by their corresponding PFs. Just copy to netdev addr here
151 if (!be_physfn(adapter
))
154 status
= be_cmd_pmac_del(adapter
, adapter
->if_handle
, adapter
->pmac_id
);
158 status
= be_cmd_pmac_add(adapter
, (u8
*)addr
->sa_data
,
159 adapter
->if_handle
, &adapter
->pmac_id
);
162 memcpy(netdev
->dev_addr
, addr
->sa_data
, netdev
->addr_len
);
167 void netdev_stats_update(struct be_adapter
*adapter
)
169 struct be_hw_stats
*hw_stats
= hw_stats_from_cmd(adapter
->stats
.cmd
.va
);
170 struct be_rxf_stats
*rxf_stats
= &hw_stats
->rxf
;
171 struct be_port_rxf_stats
*port_stats
=
172 &rxf_stats
->port
[adapter
->port_num
];
173 struct net_device_stats
*dev_stats
= &adapter
->netdev
->stats
;
174 struct be_erx_stats
*erx_stats
= &hw_stats
->erx
;
176 dev_stats
->rx_packets
= drvr_stats(adapter
)->be_rx_pkts
;
177 dev_stats
->tx_packets
= drvr_stats(adapter
)->be_tx_pkts
;
178 dev_stats
->rx_bytes
= drvr_stats(adapter
)->be_rx_bytes
;
179 dev_stats
->tx_bytes
= drvr_stats(adapter
)->be_tx_bytes
;
181 /* bad pkts received */
182 dev_stats
->rx_errors
= port_stats
->rx_crc_errors
+
183 port_stats
->rx_alignment_symbol_errors
+
184 port_stats
->rx_in_range_errors
+
185 port_stats
->rx_out_range_errors
+
186 port_stats
->rx_frame_too_long
+
187 port_stats
->rx_dropped_too_small
+
188 port_stats
->rx_dropped_too_short
+
189 port_stats
->rx_dropped_header_too_small
+
190 port_stats
->rx_dropped_tcp_length
+
191 port_stats
->rx_dropped_runt
+
192 port_stats
->rx_tcp_checksum_errs
+
193 port_stats
->rx_ip_checksum_errs
+
194 port_stats
->rx_udp_checksum_errs
;
196 /* no space in linux buffers: best possible approximation */
197 dev_stats
->rx_dropped
=
198 erx_stats
->rx_drops_no_fragments
[adapter
->rx_obj
.q
.id
];
200 /* detailed rx errors */
201 dev_stats
->rx_length_errors
= port_stats
->rx_in_range_errors
+
202 port_stats
->rx_out_range_errors
+
203 port_stats
->rx_frame_too_long
;
205 /* receive ring buffer overflow */
206 dev_stats
->rx_over_errors
= 0;
208 dev_stats
->rx_crc_errors
= port_stats
->rx_crc_errors
;
210 /* frame alignment errors */
211 dev_stats
->rx_frame_errors
= port_stats
->rx_alignment_symbol_errors
;
213 /* receiver fifo overrun */
214 /* drops_no_pbuf is no per i/f, it's per BE card */
215 dev_stats
->rx_fifo_errors
= port_stats
->rx_fifo_overflow
+
216 port_stats
->rx_input_fifo_overflow
+
217 rxf_stats
->rx_drops_no_pbuf
;
218 /* receiver missed packetd */
219 dev_stats
->rx_missed_errors
= 0;
221 /* packet transmit problems */
222 dev_stats
->tx_errors
= 0;
224 /* no space available in linux */
225 dev_stats
->tx_dropped
= 0;
227 dev_stats
->multicast
= port_stats
->rx_multicast_frames
;
228 dev_stats
->collisions
= 0;
230 /* detailed tx_errors */
231 dev_stats
->tx_aborted_errors
= 0;
232 dev_stats
->tx_carrier_errors
= 0;
233 dev_stats
->tx_fifo_errors
= 0;
234 dev_stats
->tx_heartbeat_errors
= 0;
235 dev_stats
->tx_window_errors
= 0;
238 void be_link_status_update(struct be_adapter
*adapter
, bool link_up
)
240 struct net_device
*netdev
= adapter
->netdev
;
242 /* If link came up or went down */
243 if (adapter
->link_up
!= link_up
) {
244 adapter
->link_speed
= -1;
246 netif_start_queue(netdev
);
247 netif_carrier_on(netdev
);
248 printk(KERN_INFO
"%s: Link up\n", netdev
->name
);
250 netif_stop_queue(netdev
);
251 netif_carrier_off(netdev
);
252 printk(KERN_INFO
"%s: Link down\n", netdev
->name
);
254 adapter
->link_up
= link_up
;
258 /* Update the EQ delay n BE based on the RX frags consumed / sec */
259 static void be_rx_eqd_update(struct be_adapter
*adapter
)
261 struct be_eq_obj
*rx_eq
= &adapter
->rx_eq
;
262 struct be_drvr_stats
*stats
= &adapter
->stats
.drvr_stats
;
266 if (!rx_eq
->enable_aic
)
270 if (time_before(now
, stats
->rx_fps_jiffies
)) {
271 stats
->rx_fps_jiffies
= now
;
275 /* Update once a second */
276 if ((now
- stats
->rx_fps_jiffies
) < HZ
)
279 stats
->be_rx_fps
= (stats
->be_rx_frags
- stats
->be_prev_rx_frags
) /
280 ((now
- stats
->rx_fps_jiffies
) / HZ
);
282 stats
->rx_fps_jiffies
= now
;
283 stats
->be_prev_rx_frags
= stats
->be_rx_frags
;
284 eqd
= stats
->be_rx_fps
/ 110000;
286 if (eqd
> rx_eq
->max_eqd
)
287 eqd
= rx_eq
->max_eqd
;
288 if (eqd
< rx_eq
->min_eqd
)
289 eqd
= rx_eq
->min_eqd
;
292 if (eqd
!= rx_eq
->cur_eqd
)
293 be_cmd_modify_eqd(adapter
, rx_eq
->q
.id
, eqd
);
295 rx_eq
->cur_eqd
= eqd
;
298 static struct net_device_stats
*be_get_stats(struct net_device
*dev
)
303 static u32
be_calc_rate(u64 bytes
, unsigned long ticks
)
307 do_div(rate
, ticks
/ HZ
);
308 rate
<<= 3; /* bytes/sec -> bits/sec */
309 do_div(rate
, 1000000ul); /* MB/Sec */
314 static void be_tx_rate_update(struct be_adapter
*adapter
)
316 struct be_drvr_stats
*stats
= drvr_stats(adapter
);
319 /* Wrapped around? */
320 if (time_before(now
, stats
->be_tx_jiffies
)) {
321 stats
->be_tx_jiffies
= now
;
325 /* Update tx rate once in two seconds */
326 if ((now
- stats
->be_tx_jiffies
) > 2 * HZ
) {
327 stats
->be_tx_rate
= be_calc_rate(stats
->be_tx_bytes
328 - stats
->be_tx_bytes_prev
,
329 now
- stats
->be_tx_jiffies
);
330 stats
->be_tx_jiffies
= now
;
331 stats
->be_tx_bytes_prev
= stats
->be_tx_bytes
;
335 static void be_tx_stats_update(struct be_adapter
*adapter
,
336 u32 wrb_cnt
, u32 copied
, u32 gso_segs
, bool stopped
)
338 struct be_drvr_stats
*stats
= drvr_stats(adapter
);
340 stats
->be_tx_wrbs
+= wrb_cnt
;
341 stats
->be_tx_bytes
+= copied
;
342 stats
->be_tx_pkts
+= (gso_segs
? gso_segs
: 1);
344 stats
->be_tx_stops
++;
347 /* Determine number of WRB entries needed to xmit data in an skb */
348 static u32
wrb_cnt_for_skb(struct sk_buff
*skb
, bool *dummy
)
350 int cnt
= (skb
->len
> skb
->data_len
);
352 cnt
+= skb_shinfo(skb
)->nr_frags
;
354 /* to account for hdr wrb */
357 /* add a dummy to make it an even num */
362 BUG_ON(cnt
> BE_MAX_TX_FRAG_COUNT
);
366 static inline void wrb_fill(struct be_eth_wrb
*wrb
, u64 addr
, int len
)
368 wrb
->frag_pa_hi
= upper_32_bits(addr
);
369 wrb
->frag_pa_lo
= addr
& 0xFFFFFFFF;
370 wrb
->frag_len
= len
& ETH_WRB_FRAG_LEN_MASK
;
373 static void wrb_fill_hdr(struct be_eth_hdr_wrb
*hdr
, struct sk_buff
*skb
,
374 bool vlan
, u32 wrb_cnt
, u32 len
)
376 memset(hdr
, 0, sizeof(*hdr
));
378 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, crc
, hdr
, 1);
380 if (skb_is_gso(skb
)) {
381 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, lso
, hdr
, 1);
382 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, lso_mss
,
383 hdr
, skb_shinfo(skb
)->gso_size
);
384 if (skb_is_gso_v6(skb
))
385 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, lso6
, hdr
, 1);
386 } else if (skb
->ip_summed
== CHECKSUM_PARTIAL
) {
388 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, tcpcs
, hdr
, 1);
389 else if (is_udp_pkt(skb
))
390 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, udpcs
, hdr
, 1);
393 if (vlan
&& vlan_tx_tag_present(skb
)) {
394 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, vlan
, hdr
, 1);
395 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, vlan_tag
,
396 hdr
, vlan_tx_tag_get(skb
));
399 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, event
, hdr
, 1);
400 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, complete
, hdr
, 1);
401 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, num_wrb
, hdr
, wrb_cnt
);
402 AMAP_SET_BITS(struct amap_eth_hdr_wrb
, len
, hdr
, len
);
405 static void unmap_tx_frag(struct pci_dev
*pdev
, struct be_eth_wrb
*wrb
,
410 be_dws_le_to_cpu(wrb
, sizeof(*wrb
));
412 dma
= (u64
)wrb
->frag_pa_hi
<< 32 | (u64
)wrb
->frag_pa_lo
;
415 pci_unmap_single(pdev
, dma
, wrb
->frag_len
,
418 pci_unmap_page(pdev
, dma
, wrb
->frag_len
,
423 static int make_tx_wrbs(struct be_adapter
*adapter
,
424 struct sk_buff
*skb
, u32 wrb_cnt
, bool dummy_wrb
)
428 struct pci_dev
*pdev
= adapter
->pdev
;
429 struct sk_buff
*first_skb
= skb
;
430 struct be_queue_info
*txq
= &adapter
->tx_obj
.q
;
431 struct be_eth_wrb
*wrb
;
432 struct be_eth_hdr_wrb
*hdr
;
433 bool map_single
= false;
436 hdr
= queue_head_node(txq
);
438 map_head
= txq
->head
;
440 if (skb
->len
> skb
->data_len
) {
441 int len
= skb_headlen(skb
);
442 busaddr
= pci_map_single(pdev
, skb
->data
, len
,
444 if (pci_dma_mapping_error(pdev
, busaddr
))
447 wrb
= queue_head_node(txq
);
448 wrb_fill(wrb
, busaddr
, len
);
449 be_dws_cpu_to_le(wrb
, sizeof(*wrb
));
454 for (i
= 0; i
< skb_shinfo(skb
)->nr_frags
; i
++) {
455 struct skb_frag_struct
*frag
=
456 &skb_shinfo(skb
)->frags
[i
];
457 busaddr
= pci_map_page(pdev
, frag
->page
,
459 frag
->size
, PCI_DMA_TODEVICE
);
460 if (pci_dma_mapping_error(pdev
, busaddr
))
462 wrb
= queue_head_node(txq
);
463 wrb_fill(wrb
, busaddr
, frag
->size
);
464 be_dws_cpu_to_le(wrb
, sizeof(*wrb
));
466 copied
+= frag
->size
;
470 wrb
= queue_head_node(txq
);
472 be_dws_cpu_to_le(wrb
, sizeof(*wrb
));
476 wrb_fill_hdr(hdr
, first_skb
, adapter
->vlan_grp
? true : false,
478 be_dws_cpu_to_le(hdr
, sizeof(*hdr
));
482 txq
->head
= map_head
;
484 wrb
= queue_head_node(txq
);
485 unmap_tx_frag(pdev
, wrb
, map_single
);
487 copied
-= wrb
->frag_len
;
493 static netdev_tx_t
be_xmit(struct sk_buff
*skb
,
494 struct net_device
*netdev
)
496 struct be_adapter
*adapter
= netdev_priv(netdev
);
497 struct be_tx_obj
*tx_obj
= &adapter
->tx_obj
;
498 struct be_queue_info
*txq
= &tx_obj
->q
;
499 u32 wrb_cnt
= 0, copied
= 0;
500 u32 start
= txq
->head
;
501 bool dummy_wrb
, stopped
= false;
503 wrb_cnt
= wrb_cnt_for_skb(skb
, &dummy_wrb
);
505 copied
= make_tx_wrbs(adapter
, skb
, wrb_cnt
, dummy_wrb
);
507 /* record the sent skb in the sent_skb table */
508 BUG_ON(tx_obj
->sent_skb_list
[start
]);
509 tx_obj
->sent_skb_list
[start
] = skb
;
511 /* Ensure txq has space for the next skb; Else stop the queue
512 * *BEFORE* ringing the tx doorbell, so that we serialze the
513 * tx compls of the current transmit which'll wake up the queue
515 atomic_add(wrb_cnt
, &txq
->used
);
516 if ((BE_MAX_TX_FRAG_COUNT
+ atomic_read(&txq
->used
)) >=
518 netif_stop_queue(netdev
);
522 be_txq_notify(adapter
, txq
->id
, wrb_cnt
);
524 be_tx_stats_update(adapter
, wrb_cnt
, copied
,
525 skb_shinfo(skb
)->gso_segs
, stopped
);
528 dev_kfree_skb_any(skb
);
533 static int be_change_mtu(struct net_device
*netdev
, int new_mtu
)
535 struct be_adapter
*adapter
= netdev_priv(netdev
);
536 if (new_mtu
< BE_MIN_MTU
||
537 new_mtu
> (BE_MAX_JUMBO_FRAME_SIZE
-
538 (ETH_HLEN
+ ETH_FCS_LEN
))) {
539 dev_info(&adapter
->pdev
->dev
,
540 "MTU must be between %d and %d bytes\n",
542 (BE_MAX_JUMBO_FRAME_SIZE
- (ETH_HLEN
+ ETH_FCS_LEN
)));
545 dev_info(&adapter
->pdev
->dev
, "MTU changed from %d to %d bytes\n",
546 netdev
->mtu
, new_mtu
);
547 netdev
->mtu
= new_mtu
;
552 * A max of 64 (BE_NUM_VLANS_SUPPORTED) vlans can be configured in BE.
553 * If the user configures more, place BE in vlan promiscuous mode.
555 static int be_vid_config(struct be_adapter
*adapter
, bool vf
, u32 vf_num
)
557 u16 vtag
[BE_NUM_VLANS_SUPPORTED
];
563 if_handle
= adapter
->vf_cfg
[vf_num
].vf_if_handle
;
564 vtag
[0] = cpu_to_le16(adapter
->vf_cfg
[vf_num
].vf_vlan_tag
);
565 status
= be_cmd_vlan_config(adapter
, if_handle
, vtag
, 1, 1, 0);
568 if (adapter
->vlans_added
<= adapter
->max_vlans
) {
569 /* Construct VLAN Table to give to HW */
570 for (i
= 0; i
< VLAN_GROUP_ARRAY_LEN
; i
++) {
571 if (adapter
->vlan_tag
[i
]) {
572 vtag
[ntags
] = cpu_to_le16(i
);
576 status
= be_cmd_vlan_config(adapter
, adapter
->if_handle
,
579 status
= be_cmd_vlan_config(adapter
, adapter
->if_handle
,
586 static void be_vlan_register(struct net_device
*netdev
, struct vlan_group
*grp
)
588 struct be_adapter
*adapter
= netdev_priv(netdev
);
589 struct be_eq_obj
*rx_eq
= &adapter
->rx_eq
;
590 struct be_eq_obj
*tx_eq
= &adapter
->tx_eq
;
592 be_eq_notify(adapter
, rx_eq
->q
.id
, false, false, 0);
593 be_eq_notify(adapter
, tx_eq
->q
.id
, false, false, 0);
594 adapter
->vlan_grp
= grp
;
595 be_eq_notify(adapter
, rx_eq
->q
.id
, true, false, 0);
596 be_eq_notify(adapter
, tx_eq
->q
.id
, true, false, 0);
599 static void be_vlan_add_vid(struct net_device
*netdev
, u16 vid
)
601 struct be_adapter
*adapter
= netdev_priv(netdev
);
603 adapter
->vlans_added
++;
604 if (!be_physfn(adapter
))
607 adapter
->vlan_tag
[vid
] = 1;
608 if (adapter
->vlans_added
<= (adapter
->max_vlans
+ 1))
609 be_vid_config(adapter
, false, 0);
612 static void be_vlan_rem_vid(struct net_device
*netdev
, u16 vid
)
614 struct be_adapter
*adapter
= netdev_priv(netdev
);
616 adapter
->vlans_added
--;
617 vlan_group_set_device(adapter
->vlan_grp
, vid
, NULL
);
619 if (!be_physfn(adapter
))
622 adapter
->vlan_tag
[vid
] = 0;
623 if (adapter
->vlans_added
<= adapter
->max_vlans
)
624 be_vid_config(adapter
, false, 0);
627 static void be_set_multicast_list(struct net_device
*netdev
)
629 struct be_adapter
*adapter
= netdev_priv(netdev
);
631 if (netdev
->flags
& IFF_PROMISC
) {
632 be_cmd_promiscuous_config(adapter
, adapter
->port_num
, 1);
633 adapter
->promiscuous
= true;
637 /* BE was previously in promiscous mode; disable it */
638 if (adapter
->promiscuous
) {
639 adapter
->promiscuous
= false;
640 be_cmd_promiscuous_config(adapter
, adapter
->port_num
, 0);
643 /* Enable multicast promisc if num configured exceeds what we support */
644 if (netdev
->flags
& IFF_ALLMULTI
||
645 netdev_mc_count(netdev
) > BE_MAX_MC
) {
646 be_cmd_multicast_set(adapter
, adapter
->if_handle
, NULL
,
647 &adapter
->mc_cmd_mem
);
651 be_cmd_multicast_set(adapter
, adapter
->if_handle
, netdev
,
652 &adapter
->mc_cmd_mem
);
657 static int be_set_vf_mac(struct net_device
*netdev
, int vf
, u8
*mac
)
659 struct be_adapter
*adapter
= netdev_priv(netdev
);
662 if (!adapter
->sriov_enabled
)
665 if (!is_valid_ether_addr(mac
) || (vf
>= num_vfs
))
668 if (adapter
->vf_cfg
[vf
].vf_pmac_id
!= BE_INVALID_PMAC_ID
)
669 status
= be_cmd_pmac_del(adapter
,
670 adapter
->vf_cfg
[vf
].vf_if_handle
,
671 adapter
->vf_cfg
[vf
].vf_pmac_id
);
673 status
= be_cmd_pmac_add(adapter
, mac
,
674 adapter
->vf_cfg
[vf
].vf_if_handle
,
675 &adapter
->vf_cfg
[vf
].vf_pmac_id
);
678 dev_err(&adapter
->pdev
->dev
, "MAC %pM set on VF %d Failed\n",
681 memcpy(adapter
->vf_cfg
[vf
].vf_mac_addr
, mac
, ETH_ALEN
);
686 static int be_get_vf_config(struct net_device
*netdev
, int vf
,
687 struct ifla_vf_info
*vi
)
689 struct be_adapter
*adapter
= netdev_priv(netdev
);
691 if (!adapter
->sriov_enabled
)
698 vi
->tx_rate
= adapter
->vf_cfg
[vf
].vf_tx_rate
;
699 vi
->vlan
= adapter
->vf_cfg
[vf
].vf_vlan_tag
;
701 memcpy(&vi
->mac
, adapter
->vf_cfg
[vf
].vf_mac_addr
, ETH_ALEN
);
706 static int be_set_vf_vlan(struct net_device
*netdev
,
707 int vf
, u16 vlan
, u8 qos
)
709 struct be_adapter
*adapter
= netdev_priv(netdev
);
712 if (!adapter
->sriov_enabled
)
715 if ((vf
>= num_vfs
) || (vlan
> 4095))
719 adapter
->vf_cfg
[vf
].vf_vlan_tag
= vlan
;
720 adapter
->vlans_added
++;
722 adapter
->vf_cfg
[vf
].vf_vlan_tag
= 0;
723 adapter
->vlans_added
--;
726 status
= be_vid_config(adapter
, true, vf
);
729 dev_info(&adapter
->pdev
->dev
,
730 "VLAN %d config on VF %d failed\n", vlan
, vf
);
734 static int be_set_vf_tx_rate(struct net_device
*netdev
,
737 struct be_adapter
*adapter
= netdev_priv(netdev
);
740 if (!adapter
->sriov_enabled
)
743 if ((vf
>= num_vfs
) || (rate
< 0))
749 adapter
->vf_cfg
[vf
].vf_tx_rate
= rate
;
750 status
= be_cmd_set_qos(adapter
, rate
/ 10, vf
);
753 dev_info(&adapter
->pdev
->dev
,
754 "tx rate %d on VF %d failed\n", rate
, vf
);
758 static void be_rx_rate_update(struct be_adapter
*adapter
)
760 struct be_drvr_stats
*stats
= drvr_stats(adapter
);
764 if (time_before(now
, stats
->be_rx_jiffies
)) {
765 stats
->be_rx_jiffies
= now
;
769 /* Update the rate once in two seconds */
770 if ((now
- stats
->be_rx_jiffies
) < 2 * HZ
)
773 stats
->be_rx_rate
= be_calc_rate(stats
->be_rx_bytes
774 - stats
->be_rx_bytes_prev
,
775 now
- stats
->be_rx_jiffies
);
776 stats
->be_rx_jiffies
= now
;
777 stats
->be_rx_bytes_prev
= stats
->be_rx_bytes
;
780 static void be_rx_stats_update(struct be_adapter
*adapter
,
781 u32 pktsize
, u16 numfrags
)
783 struct be_drvr_stats
*stats
= drvr_stats(adapter
);
785 stats
->be_rx_compl
++;
786 stats
->be_rx_frags
+= numfrags
;
787 stats
->be_rx_bytes
+= pktsize
;
791 static inline bool do_pkt_csum(struct be_eth_rx_compl
*rxcp
, bool cso
)
793 u8 l4_cksm
, ip_version
, ipcksm
, tcpf
= 0, udpf
= 0, ipv6_chk
;
795 l4_cksm
= AMAP_GET_BITS(struct amap_eth_rx_compl
, l4_cksm
, rxcp
);
796 ipcksm
= AMAP_GET_BITS(struct amap_eth_rx_compl
, ipcksm
, rxcp
);
797 ip_version
= AMAP_GET_BITS(struct amap_eth_rx_compl
, ip_version
, rxcp
);
799 tcpf
= AMAP_GET_BITS(struct amap_eth_rx_compl
, tcpf
, rxcp
);
800 udpf
= AMAP_GET_BITS(struct amap_eth_rx_compl
, udpf
, rxcp
);
802 ipv6_chk
= (ip_version
&& (tcpf
|| udpf
));
804 return ((l4_cksm
&& ipv6_chk
&& ipcksm
) && cso
) ? false : true;
807 static struct be_rx_page_info
*
808 get_rx_page_info(struct be_adapter
*adapter
, u16 frag_idx
)
810 struct be_rx_page_info
*rx_page_info
;
811 struct be_queue_info
*rxq
= &adapter
->rx_obj
.q
;
813 rx_page_info
= &adapter
->rx_obj
.page_info_tbl
[frag_idx
];
814 BUG_ON(!rx_page_info
->page
);
816 if (rx_page_info
->last_page_user
) {
817 pci_unmap_page(adapter
->pdev
, dma_unmap_addr(rx_page_info
, bus
),
818 adapter
->big_page_size
, PCI_DMA_FROMDEVICE
);
819 rx_page_info
->last_page_user
= false;
822 atomic_dec(&rxq
->used
);
826 /* Throwaway the data in the Rx completion */
827 static void be_rx_compl_discard(struct be_adapter
*adapter
,
828 struct be_eth_rx_compl
*rxcp
)
830 struct be_queue_info
*rxq
= &adapter
->rx_obj
.q
;
831 struct be_rx_page_info
*page_info
;
832 u16 rxq_idx
, i
, num_rcvd
;
834 rxq_idx
= AMAP_GET_BITS(struct amap_eth_rx_compl
, fragndx
, rxcp
);
835 num_rcvd
= AMAP_GET_BITS(struct amap_eth_rx_compl
, numfrags
, rxcp
);
837 for (i
= 0; i
< num_rcvd
; i
++) {
838 page_info
= get_rx_page_info(adapter
, rxq_idx
);
839 put_page(page_info
->page
);
840 memset(page_info
, 0, sizeof(*page_info
));
841 index_inc(&rxq_idx
, rxq
->len
);
846 * skb_fill_rx_data forms a complete skb for an ether frame
849 static void skb_fill_rx_data(struct be_adapter
*adapter
,
850 struct sk_buff
*skb
, struct be_eth_rx_compl
*rxcp
,
853 struct be_queue_info
*rxq
= &adapter
->rx_obj
.q
;
854 struct be_rx_page_info
*page_info
;
856 u32 pktsize
, hdr_len
, curr_frag_len
, size
;
859 rxq_idx
= AMAP_GET_BITS(struct amap_eth_rx_compl
, fragndx
, rxcp
);
860 pktsize
= AMAP_GET_BITS(struct amap_eth_rx_compl
, pktsize
, rxcp
);
862 page_info
= get_rx_page_info(adapter
, rxq_idx
);
864 start
= page_address(page_info
->page
) + page_info
->page_offset
;
867 /* Copy data in the first descriptor of this completion */
868 curr_frag_len
= min(pktsize
, rx_frag_size
);
870 /* Copy the header portion into skb_data */
871 hdr_len
= min((u32
)BE_HDR_LEN
, curr_frag_len
);
872 memcpy(skb
->data
, start
, hdr_len
);
873 skb
->len
= curr_frag_len
;
874 if (curr_frag_len
<= BE_HDR_LEN
) { /* tiny packet */
875 /* Complete packet has now been moved to data */
876 put_page(page_info
->page
);
878 skb
->tail
+= curr_frag_len
;
880 skb_shinfo(skb
)->nr_frags
= 1;
881 skb_shinfo(skb
)->frags
[0].page
= page_info
->page
;
882 skb_shinfo(skb
)->frags
[0].page_offset
=
883 page_info
->page_offset
+ hdr_len
;
884 skb_shinfo(skb
)->frags
[0].size
= curr_frag_len
- hdr_len
;
885 skb
->data_len
= curr_frag_len
- hdr_len
;
886 skb
->tail
+= hdr_len
;
888 page_info
->page
= NULL
;
890 if (pktsize
<= rx_frag_size
) {
891 BUG_ON(num_rcvd
!= 1);
895 /* More frags present for this completion */
897 for (i
= 1, j
= 0; i
< num_rcvd
; i
++) {
898 size
-= curr_frag_len
;
899 index_inc(&rxq_idx
, rxq
->len
);
900 page_info
= get_rx_page_info(adapter
, rxq_idx
);
902 curr_frag_len
= min(size
, rx_frag_size
);
904 /* Coalesce all frags from the same physical page in one slot */
905 if (page_info
->page_offset
== 0) {
908 skb_shinfo(skb
)->frags
[j
].page
= page_info
->page
;
909 skb_shinfo(skb
)->frags
[j
].page_offset
=
910 page_info
->page_offset
;
911 skb_shinfo(skb
)->frags
[j
].size
= 0;
912 skb_shinfo(skb
)->nr_frags
++;
914 put_page(page_info
->page
);
917 skb_shinfo(skb
)->frags
[j
].size
+= curr_frag_len
;
918 skb
->len
+= curr_frag_len
;
919 skb
->data_len
+= curr_frag_len
;
921 page_info
->page
= NULL
;
923 BUG_ON(j
> MAX_SKB_FRAGS
);
926 be_rx_stats_update(adapter
, pktsize
, num_rcvd
);
929 /* Process the RX completion indicated by rxcp when GRO is disabled */
930 static void be_rx_compl_process(struct be_adapter
*adapter
,
931 struct be_eth_rx_compl
*rxcp
)
938 num_rcvd
= AMAP_GET_BITS(struct amap_eth_rx_compl
, numfrags
, rxcp
);
939 /* Is it a flush compl that has no data */
940 if (unlikely(num_rcvd
== 0))
943 skb
= netdev_alloc_skb_ip_align(adapter
->netdev
, BE_HDR_LEN
);
944 if (unlikely(!skb
)) {
946 dev_warn(&adapter
->pdev
->dev
, "skb alloc failed\n");
947 be_rx_compl_discard(adapter
, rxcp
);
951 skb_fill_rx_data(adapter
, skb
, rxcp
, num_rcvd
);
953 if (do_pkt_csum(rxcp
, adapter
->rx_csum
))
954 skb
->ip_summed
= CHECKSUM_NONE
;
956 skb
->ip_summed
= CHECKSUM_UNNECESSARY
;
958 skb
->truesize
= skb
->len
+ sizeof(struct sk_buff
);
959 skb
->protocol
= eth_type_trans(skb
, adapter
->netdev
);
961 vlanf
= AMAP_GET_BITS(struct amap_eth_rx_compl
, vtp
, rxcp
);
962 vtm
= AMAP_GET_BITS(struct amap_eth_rx_compl
, vtm
, rxcp
);
964 /* vlanf could be wrongly set in some cards.
965 * ignore if vtm is not set */
966 if ((adapter
->function_mode
& 0x400) && !vtm
)
969 if (unlikely(vlanf
)) {
970 if (!adapter
->vlan_grp
|| adapter
->vlans_added
== 0) {
974 vid
= AMAP_GET_BITS(struct amap_eth_rx_compl
, vlan_tag
, rxcp
);
976 vlan_hwaccel_receive_skb(skb
, adapter
->vlan_grp
, vid
);
978 netif_receive_skb(skb
);
982 /* Process the RX completion indicated by rxcp when GRO is enabled */
983 static void be_rx_compl_process_gro(struct be_adapter
*adapter
,
984 struct be_eth_rx_compl
*rxcp
)
986 struct be_rx_page_info
*page_info
;
987 struct sk_buff
*skb
= NULL
;
988 struct be_queue_info
*rxq
= &adapter
->rx_obj
.q
;
989 struct be_eq_obj
*eq_obj
= &adapter
->rx_eq
;
990 u32 num_rcvd
, pkt_size
, remaining
, vlanf
, curr_frag_len
;
991 u16 i
, rxq_idx
= 0, vid
, j
;
994 num_rcvd
= AMAP_GET_BITS(struct amap_eth_rx_compl
, numfrags
, rxcp
);
995 /* Is it a flush compl that has no data */
996 if (unlikely(num_rcvd
== 0))
999 pkt_size
= AMAP_GET_BITS(struct amap_eth_rx_compl
, pktsize
, rxcp
);
1000 vlanf
= AMAP_GET_BITS(struct amap_eth_rx_compl
, vtp
, rxcp
);
1001 rxq_idx
= AMAP_GET_BITS(struct amap_eth_rx_compl
, fragndx
, rxcp
);
1002 vtm
= AMAP_GET_BITS(struct amap_eth_rx_compl
, vtm
, rxcp
);
1004 /* vlanf could be wrongly set in some cards.
1005 * ignore if vtm is not set */
1006 if ((adapter
->function_mode
& 0x400) && !vtm
)
1009 skb
= napi_get_frags(&eq_obj
->napi
);
1011 be_rx_compl_discard(adapter
, rxcp
);
1015 remaining
= pkt_size
;
1016 for (i
= 0, j
= -1; i
< num_rcvd
; i
++) {
1017 page_info
= get_rx_page_info(adapter
, rxq_idx
);
1019 curr_frag_len
= min(remaining
, rx_frag_size
);
1021 /* Coalesce all frags from the same physical page in one slot */
1022 if (i
== 0 || page_info
->page_offset
== 0) {
1023 /* First frag or Fresh page */
1025 skb_shinfo(skb
)->frags
[j
].page
= page_info
->page
;
1026 skb_shinfo(skb
)->frags
[j
].page_offset
=
1027 page_info
->page_offset
;
1028 skb_shinfo(skb
)->frags
[j
].size
= 0;
1030 put_page(page_info
->page
);
1032 skb_shinfo(skb
)->frags
[j
].size
+= curr_frag_len
;
1034 remaining
-= curr_frag_len
;
1035 index_inc(&rxq_idx
, rxq
->len
);
1036 memset(page_info
, 0, sizeof(*page_info
));
1038 BUG_ON(j
> MAX_SKB_FRAGS
);
1040 skb_shinfo(skb
)->nr_frags
= j
+ 1;
1041 skb
->len
= pkt_size
;
1042 skb
->data_len
= pkt_size
;
1043 skb
->truesize
+= pkt_size
;
1044 skb
->ip_summed
= CHECKSUM_UNNECESSARY
;
1046 if (likely(!vlanf
)) {
1047 napi_gro_frags(&eq_obj
->napi
);
1049 vid
= AMAP_GET_BITS(struct amap_eth_rx_compl
, vlan_tag
, rxcp
);
1052 if (!adapter
->vlan_grp
|| adapter
->vlans_added
== 0)
1055 vlan_gro_frags(&eq_obj
->napi
, adapter
->vlan_grp
, vid
);
1058 be_rx_stats_update(adapter
, pkt_size
, num_rcvd
);
1061 static struct be_eth_rx_compl
*be_rx_compl_get(struct be_adapter
*adapter
)
1063 struct be_eth_rx_compl
*rxcp
= queue_tail_node(&adapter
->rx_obj
.cq
);
1065 if (rxcp
->dw
[offsetof(struct amap_eth_rx_compl
, valid
) / 32] == 0)
1069 be_dws_le_to_cpu(rxcp
, sizeof(*rxcp
));
1071 queue_tail_inc(&adapter
->rx_obj
.cq
);
1075 /* To reset the valid bit, we need to reset the whole word as
1076 * when walking the queue the valid entries are little-endian
1077 * and invalid entries are host endian
1079 static inline void be_rx_compl_reset(struct be_eth_rx_compl
*rxcp
)
1081 rxcp
->dw
[offsetof(struct amap_eth_rx_compl
, valid
) / 32] = 0;
1084 static inline struct page
*be_alloc_pages(u32 size
)
1086 gfp_t alloc_flags
= GFP_ATOMIC
;
1087 u32 order
= get_order(size
);
1089 alloc_flags
|= __GFP_COMP
;
1090 return alloc_pages(alloc_flags
, order
);
1094 * Allocate a page, split it to fragments of size rx_frag_size and post as
1095 * receive buffers to BE
1097 static void be_post_rx_frags(struct be_adapter
*adapter
)
1099 struct be_rx_page_info
*page_info_tbl
= adapter
->rx_obj
.page_info_tbl
;
1100 struct be_rx_page_info
*page_info
= NULL
, *prev_page_info
= NULL
;
1101 struct be_queue_info
*rxq
= &adapter
->rx_obj
.q
;
1102 struct page
*pagep
= NULL
;
1103 struct be_eth_rx_d
*rxd
;
1104 u64 page_dmaaddr
= 0, frag_dmaaddr
;
1105 u32 posted
, page_offset
= 0;
1107 page_info
= &page_info_tbl
[rxq
->head
];
1108 for (posted
= 0; posted
< MAX_RX_POST
&& !page_info
->page
; posted
++) {
1110 pagep
= be_alloc_pages(adapter
->big_page_size
);
1111 if (unlikely(!pagep
)) {
1112 drvr_stats(adapter
)->be_ethrx_post_fail
++;
1115 page_dmaaddr
= pci_map_page(adapter
->pdev
, pagep
, 0,
1116 adapter
->big_page_size
,
1117 PCI_DMA_FROMDEVICE
);
1118 page_info
->page_offset
= 0;
1121 page_info
->page_offset
= page_offset
+ rx_frag_size
;
1123 page_offset
= page_info
->page_offset
;
1124 page_info
->page
= pagep
;
1125 dma_unmap_addr_set(page_info
, bus
, page_dmaaddr
);
1126 frag_dmaaddr
= page_dmaaddr
+ page_info
->page_offset
;
1128 rxd
= queue_head_node(rxq
);
1129 rxd
->fragpa_lo
= cpu_to_le32(frag_dmaaddr
& 0xFFFFFFFF);
1130 rxd
->fragpa_hi
= cpu_to_le32(upper_32_bits(frag_dmaaddr
));
1132 /* Any space left in the current big page for another frag? */
1133 if ((page_offset
+ rx_frag_size
+ rx_frag_size
) >
1134 adapter
->big_page_size
) {
1136 page_info
->last_page_user
= true;
1139 prev_page_info
= page_info
;
1140 queue_head_inc(rxq
);
1141 page_info
= &page_info_tbl
[rxq
->head
];
1144 prev_page_info
->last_page_user
= true;
1147 atomic_add(posted
, &rxq
->used
);
1148 be_rxq_notify(adapter
, rxq
->id
, posted
);
1149 } else if (atomic_read(&rxq
->used
) == 0) {
1150 /* Let be_worker replenish when memory is available */
1151 adapter
->rx_post_starved
= true;
1155 static struct be_eth_tx_compl
*be_tx_compl_get(struct be_queue_info
*tx_cq
)
1157 struct be_eth_tx_compl
*txcp
= queue_tail_node(tx_cq
);
1159 if (txcp
->dw
[offsetof(struct amap_eth_tx_compl
, valid
) / 32] == 0)
1163 be_dws_le_to_cpu(txcp
, sizeof(*txcp
));
1165 txcp
->dw
[offsetof(struct amap_eth_tx_compl
, valid
) / 32] = 0;
1167 queue_tail_inc(tx_cq
);
1171 static void be_tx_compl_process(struct be_adapter
*adapter
, u16 last_index
)
1173 struct be_queue_info
*txq
= &adapter
->tx_obj
.q
;
1174 struct be_eth_wrb
*wrb
;
1175 struct sk_buff
**sent_skbs
= adapter
->tx_obj
.sent_skb_list
;
1176 struct sk_buff
*sent_skb
;
1177 u16 cur_index
, num_wrbs
= 1; /* account for hdr wrb */
1178 bool unmap_skb_hdr
= true;
1180 sent_skb
= sent_skbs
[txq
->tail
];
1182 sent_skbs
[txq
->tail
] = NULL
;
1184 /* skip header wrb */
1185 queue_tail_inc(txq
);
1188 cur_index
= txq
->tail
;
1189 wrb
= queue_tail_node(txq
);
1190 unmap_tx_frag(adapter
->pdev
, wrb
, (unmap_skb_hdr
&&
1191 skb_headlen(sent_skb
)));
1192 unmap_skb_hdr
= false;
1195 queue_tail_inc(txq
);
1196 } while (cur_index
!= last_index
);
1198 atomic_sub(num_wrbs
, &txq
->used
);
1200 kfree_skb(sent_skb
);
1203 static inline struct be_eq_entry
*event_get(struct be_eq_obj
*eq_obj
)
1205 struct be_eq_entry
*eqe
= queue_tail_node(&eq_obj
->q
);
1211 eqe
->evt
= le32_to_cpu(eqe
->evt
);
1212 queue_tail_inc(&eq_obj
->q
);
1216 static int event_handle(struct be_adapter
*adapter
,
1217 struct be_eq_obj
*eq_obj
)
1219 struct be_eq_entry
*eqe
;
1222 while ((eqe
= event_get(eq_obj
)) != NULL
) {
1227 /* Deal with any spurious interrupts that come
1230 be_eq_notify(adapter
, eq_obj
->q
.id
, true, true, num
);
1232 napi_schedule(&eq_obj
->napi
);
1237 /* Just read and notify events without processing them.
1238 * Used at the time of destroying event queues */
1239 static void be_eq_clean(struct be_adapter
*adapter
,
1240 struct be_eq_obj
*eq_obj
)
1242 struct be_eq_entry
*eqe
;
1245 while ((eqe
= event_get(eq_obj
)) != NULL
) {
1251 be_eq_notify(adapter
, eq_obj
->q
.id
, false, true, num
);
1254 static void be_rx_q_clean(struct be_adapter
*adapter
)
1256 struct be_rx_page_info
*page_info
;
1257 struct be_queue_info
*rxq
= &adapter
->rx_obj
.q
;
1258 struct be_queue_info
*rx_cq
= &adapter
->rx_obj
.cq
;
1259 struct be_eth_rx_compl
*rxcp
;
1262 /* First cleanup pending rx completions */
1263 while ((rxcp
= be_rx_compl_get(adapter
)) != NULL
) {
1264 be_rx_compl_discard(adapter
, rxcp
);
1265 be_rx_compl_reset(rxcp
);
1266 be_cq_notify(adapter
, rx_cq
->id
, true, 1);
1269 /* Then free posted rx buffer that were not used */
1270 tail
= (rxq
->head
+ rxq
->len
- atomic_read(&rxq
->used
)) % rxq
->len
;
1271 for (; atomic_read(&rxq
->used
) > 0; index_inc(&tail
, rxq
->len
)) {
1272 page_info
= get_rx_page_info(adapter
, tail
);
1273 put_page(page_info
->page
);
1274 memset(page_info
, 0, sizeof(*page_info
));
1276 BUG_ON(atomic_read(&rxq
->used
));
1279 static void be_tx_compl_clean(struct be_adapter
*adapter
)
1281 struct be_queue_info
*tx_cq
= &adapter
->tx_obj
.cq
;
1282 struct be_queue_info
*txq
= &adapter
->tx_obj
.q
;
1283 struct be_eth_tx_compl
*txcp
;
1284 u16 end_idx
, cmpl
= 0, timeo
= 0;
1285 struct sk_buff
**sent_skbs
= adapter
->tx_obj
.sent_skb_list
;
1286 struct sk_buff
*sent_skb
;
1289 /* Wait for a max of 200ms for all the tx-completions to arrive. */
1291 while ((txcp
= be_tx_compl_get(tx_cq
))) {
1292 end_idx
= AMAP_GET_BITS(struct amap_eth_tx_compl
,
1294 be_tx_compl_process(adapter
, end_idx
);
1298 be_cq_notify(adapter
, tx_cq
->id
, false, cmpl
);
1302 if (atomic_read(&txq
->used
) == 0 || ++timeo
> 200)
1308 if (atomic_read(&txq
->used
))
1309 dev_err(&adapter
->pdev
->dev
, "%d pending tx-completions\n",
1310 atomic_read(&txq
->used
));
1312 /* free posted tx for which compls will never arrive */
1313 while (atomic_read(&txq
->used
)) {
1314 sent_skb
= sent_skbs
[txq
->tail
];
1315 end_idx
= txq
->tail
;
1317 wrb_cnt_for_skb(sent_skb
, &dummy_wrb
) - 1, txq
->len
);
1318 be_tx_compl_process(adapter
, end_idx
);
1322 static void be_mcc_queues_destroy(struct be_adapter
*adapter
)
1324 struct be_queue_info
*q
;
1326 q
= &adapter
->mcc_obj
.q
;
1328 be_cmd_q_destroy(adapter
, q
, QTYPE_MCCQ
);
1329 be_queue_free(adapter
, q
);
1331 q
= &adapter
->mcc_obj
.cq
;
1333 be_cmd_q_destroy(adapter
, q
, QTYPE_CQ
);
1334 be_queue_free(adapter
, q
);
1337 /* Must be called only after TX qs are created as MCC shares TX EQ */
1338 static int be_mcc_queues_create(struct be_adapter
*adapter
)
1340 struct be_queue_info
*q
, *cq
;
1342 /* Alloc MCC compl queue */
1343 cq
= &adapter
->mcc_obj
.cq
;
1344 if (be_queue_alloc(adapter
, cq
, MCC_CQ_LEN
,
1345 sizeof(struct be_mcc_compl
)))
1348 /* Ask BE to create MCC compl queue; share TX's eq */
1349 if (be_cmd_cq_create(adapter
, cq
, &adapter
->tx_eq
.q
, false, true, 0))
1352 /* Alloc MCC queue */
1353 q
= &adapter
->mcc_obj
.q
;
1354 if (be_queue_alloc(adapter
, q
, MCC_Q_LEN
, sizeof(struct be_mcc_wrb
)))
1355 goto mcc_cq_destroy
;
1357 /* Ask BE to create MCC queue */
1358 if (be_cmd_mccq_create(adapter
, q
, cq
))
1364 be_queue_free(adapter
, q
);
1366 be_cmd_q_destroy(adapter
, cq
, QTYPE_CQ
);
1368 be_queue_free(adapter
, cq
);
1373 static void be_tx_queues_destroy(struct be_adapter
*adapter
)
1375 struct be_queue_info
*q
;
1377 q
= &adapter
->tx_obj
.q
;
1379 be_cmd_q_destroy(adapter
, q
, QTYPE_TXQ
);
1380 be_queue_free(adapter
, q
);
1382 q
= &adapter
->tx_obj
.cq
;
1384 be_cmd_q_destroy(adapter
, q
, QTYPE_CQ
);
1385 be_queue_free(adapter
, q
);
1387 /* Clear any residual events */
1388 be_eq_clean(adapter
, &adapter
->tx_eq
);
1390 q
= &adapter
->tx_eq
.q
;
1392 be_cmd_q_destroy(adapter
, q
, QTYPE_EQ
);
1393 be_queue_free(adapter
, q
);
1396 static int be_tx_queues_create(struct be_adapter
*adapter
)
1398 struct be_queue_info
*eq
, *q
, *cq
;
1400 adapter
->tx_eq
.max_eqd
= 0;
1401 adapter
->tx_eq
.min_eqd
= 0;
1402 adapter
->tx_eq
.cur_eqd
= 96;
1403 adapter
->tx_eq
.enable_aic
= false;
1404 /* Alloc Tx Event queue */
1405 eq
= &adapter
->tx_eq
.q
;
1406 if (be_queue_alloc(adapter
, eq
, EVNT_Q_LEN
, sizeof(struct be_eq_entry
)))
1409 /* Ask BE to create Tx Event queue */
1410 if (be_cmd_eq_create(adapter
, eq
, adapter
->tx_eq
.cur_eqd
))
1412 adapter
->base_eq_id
= adapter
->tx_eq
.q
.id
;
1414 /* Alloc TX eth compl queue */
1415 cq
= &adapter
->tx_obj
.cq
;
1416 if (be_queue_alloc(adapter
, cq
, TX_CQ_LEN
,
1417 sizeof(struct be_eth_tx_compl
)))
1420 /* Ask BE to create Tx eth compl queue */
1421 if (be_cmd_cq_create(adapter
, cq
, eq
, false, false, 3))
1424 /* Alloc TX eth queue */
1425 q
= &adapter
->tx_obj
.q
;
1426 if (be_queue_alloc(adapter
, q
, TX_Q_LEN
, sizeof(struct be_eth_wrb
)))
1429 /* Ask BE to create Tx eth queue */
1430 if (be_cmd_txq_create(adapter
, q
, cq
))
1435 be_queue_free(adapter
, q
);
1437 be_cmd_q_destroy(adapter
, cq
, QTYPE_CQ
);
1439 be_queue_free(adapter
, cq
);
1441 be_cmd_q_destroy(adapter
, eq
, QTYPE_EQ
);
1443 be_queue_free(adapter
, eq
);
1447 static void be_rx_queues_destroy(struct be_adapter
*adapter
)
1449 struct be_queue_info
*q
;
1451 q
= &adapter
->rx_obj
.q
;
1453 be_cmd_q_destroy(adapter
, q
, QTYPE_RXQ
);
1455 /* After the rxq is invalidated, wait for a grace time
1456 * of 1ms for all dma to end and the flush compl to arrive
1459 be_rx_q_clean(adapter
);
1461 be_queue_free(adapter
, q
);
1463 q
= &adapter
->rx_obj
.cq
;
1465 be_cmd_q_destroy(adapter
, q
, QTYPE_CQ
);
1466 be_queue_free(adapter
, q
);
1468 /* Clear any residual events */
1469 be_eq_clean(adapter
, &adapter
->rx_eq
);
1471 q
= &adapter
->rx_eq
.q
;
1473 be_cmd_q_destroy(adapter
, q
, QTYPE_EQ
);
1474 be_queue_free(adapter
, q
);
1477 static int be_rx_queues_create(struct be_adapter
*adapter
)
1479 struct be_queue_info
*eq
, *q
, *cq
;
1482 adapter
->big_page_size
= (1 << get_order(rx_frag_size
)) * PAGE_SIZE
;
1483 adapter
->rx_eq
.max_eqd
= BE_MAX_EQD
;
1484 adapter
->rx_eq
.min_eqd
= 0;
1485 adapter
->rx_eq
.cur_eqd
= 0;
1486 adapter
->rx_eq
.enable_aic
= true;
1488 /* Alloc Rx Event queue */
1489 eq
= &adapter
->rx_eq
.q
;
1490 rc
= be_queue_alloc(adapter
, eq
, EVNT_Q_LEN
,
1491 sizeof(struct be_eq_entry
));
1495 /* Ask BE to create Rx Event queue */
1496 rc
= be_cmd_eq_create(adapter
, eq
, adapter
->rx_eq
.cur_eqd
);
1500 /* Alloc RX eth compl queue */
1501 cq
= &adapter
->rx_obj
.cq
;
1502 rc
= be_queue_alloc(adapter
, cq
, RX_CQ_LEN
,
1503 sizeof(struct be_eth_rx_compl
));
1507 /* Ask BE to create Rx eth compl queue */
1508 rc
= be_cmd_cq_create(adapter
, cq
, eq
, false, false, 3);
1512 /* Alloc RX eth queue */
1513 q
= &adapter
->rx_obj
.q
;
1514 rc
= be_queue_alloc(adapter
, q
, RX_Q_LEN
, sizeof(struct be_eth_rx_d
));
1518 /* Ask BE to create Rx eth queue */
1519 rc
= be_cmd_rxq_create(adapter
, q
, cq
->id
, rx_frag_size
,
1520 BE_MAX_JUMBO_FRAME_SIZE
, adapter
->if_handle
, false);
1526 be_queue_free(adapter
, q
);
1528 be_cmd_q_destroy(adapter
, cq
, QTYPE_CQ
);
1530 be_queue_free(adapter
, cq
);
1532 be_cmd_q_destroy(adapter
, eq
, QTYPE_EQ
);
1534 be_queue_free(adapter
, eq
);
1538 /* There are 8 evt ids per func. Retruns the evt id's bit number */
1539 static inline int be_evt_bit_get(struct be_adapter
*adapter
, u32 eq_id
)
1541 return eq_id
- adapter
->base_eq_id
;
1544 static irqreturn_t
be_intx(int irq
, void *dev
)
1546 struct be_adapter
*adapter
= dev
;
1549 isr
= ioread32(adapter
->csr
+ CEV_ISR0_OFFSET
+
1550 (adapter
->tx_eq
.q
.id
/ 8) * CEV_ISR_SIZE
);
1554 event_handle(adapter
, &adapter
->tx_eq
);
1555 event_handle(adapter
, &adapter
->rx_eq
);
1560 static irqreturn_t
be_msix_rx(int irq
, void *dev
)
1562 struct be_adapter
*adapter
= dev
;
1564 event_handle(adapter
, &adapter
->rx_eq
);
1569 static irqreturn_t
be_msix_tx_mcc(int irq
, void *dev
)
1571 struct be_adapter
*adapter
= dev
;
1573 event_handle(adapter
, &adapter
->tx_eq
);
1578 static inline bool do_gro(struct be_adapter
*adapter
,
1579 struct be_eth_rx_compl
*rxcp
)
1581 int err
= AMAP_GET_BITS(struct amap_eth_rx_compl
, err
, rxcp
);
1582 int tcp_frame
= AMAP_GET_BITS(struct amap_eth_rx_compl
, tcpf
, rxcp
);
1585 drvr_stats(adapter
)->be_rxcp_err
++;
1587 return (tcp_frame
&& !err
) ? true : false;
1590 int be_poll_rx(struct napi_struct
*napi
, int budget
)
1592 struct be_eq_obj
*rx_eq
= container_of(napi
, struct be_eq_obj
, napi
);
1593 struct be_adapter
*adapter
=
1594 container_of(rx_eq
, struct be_adapter
, rx_eq
);
1595 struct be_queue_info
*rx_cq
= &adapter
->rx_obj
.cq
;
1596 struct be_eth_rx_compl
*rxcp
;
1599 adapter
->stats
.drvr_stats
.be_rx_polls
++;
1600 for (work_done
= 0; work_done
< budget
; work_done
++) {
1601 rxcp
= be_rx_compl_get(adapter
);
1605 if (do_gro(adapter
, rxcp
))
1606 be_rx_compl_process_gro(adapter
, rxcp
);
1608 be_rx_compl_process(adapter
, rxcp
);
1610 be_rx_compl_reset(rxcp
);
1613 /* Refill the queue */
1614 if (atomic_read(&adapter
->rx_obj
.q
.used
) < RX_FRAGS_REFILL_WM
)
1615 be_post_rx_frags(adapter
);
1618 if (work_done
< budget
) {
1619 napi_complete(napi
);
1620 be_cq_notify(adapter
, rx_cq
->id
, true, work_done
);
1622 /* More to be consumed; continue with interrupts disabled */
1623 be_cq_notify(adapter
, rx_cq
->id
, false, work_done
);
1628 /* As TX and MCC share the same EQ check for both TX and MCC completions.
1629 * For TX/MCC we don't honour budget; consume everything
1631 static int be_poll_tx_mcc(struct napi_struct
*napi
, int budget
)
1633 struct be_eq_obj
*tx_eq
= container_of(napi
, struct be_eq_obj
, napi
);
1634 struct be_adapter
*adapter
=
1635 container_of(tx_eq
, struct be_adapter
, tx_eq
);
1636 struct be_queue_info
*txq
= &adapter
->tx_obj
.q
;
1637 struct be_queue_info
*tx_cq
= &adapter
->tx_obj
.cq
;
1638 struct be_eth_tx_compl
*txcp
;
1639 int tx_compl
= 0, mcc_compl
, status
= 0;
1642 while ((txcp
= be_tx_compl_get(tx_cq
))) {
1643 end_idx
= AMAP_GET_BITS(struct amap_eth_tx_compl
,
1645 be_tx_compl_process(adapter
, end_idx
);
1649 mcc_compl
= be_process_mcc(adapter
, &status
);
1651 napi_complete(napi
);
1654 struct be_mcc_obj
*mcc_obj
= &adapter
->mcc_obj
;
1655 be_cq_notify(adapter
, mcc_obj
->cq
.id
, true, mcc_compl
);
1659 be_cq_notify(adapter
, adapter
->tx_obj
.cq
.id
, true, tx_compl
);
1661 /* As Tx wrbs have been freed up, wake up netdev queue if
1662 * it was stopped due to lack of tx wrbs.
1664 if (netif_queue_stopped(adapter
->netdev
) &&
1665 atomic_read(&txq
->used
) < txq
->len
/ 2) {
1666 netif_wake_queue(adapter
->netdev
);
1669 drvr_stats(adapter
)->be_tx_events
++;
1670 drvr_stats(adapter
)->be_tx_compl
+= tx_compl
;
1676 static void be_worker(struct work_struct
*work
)
1678 struct be_adapter
*adapter
=
1679 container_of(work
, struct be_adapter
, work
.work
);
1681 be_cmd_get_stats(adapter
, &adapter
->stats
.cmd
);
1684 be_rx_eqd_update(adapter
);
1686 be_tx_rate_update(adapter
);
1687 be_rx_rate_update(adapter
);
1689 if (adapter
->rx_post_starved
) {
1690 adapter
->rx_post_starved
= false;
1691 be_post_rx_frags(adapter
);
1694 schedule_delayed_work(&adapter
->work
, msecs_to_jiffies(1000));
1697 static void be_msix_disable(struct be_adapter
*adapter
)
1699 if (adapter
->msix_enabled
) {
1700 pci_disable_msix(adapter
->pdev
);
1701 adapter
->msix_enabled
= false;
1705 static void be_msix_enable(struct be_adapter
*adapter
)
1709 for (i
= 0; i
< BE_NUM_MSIX_VECTORS
; i
++)
1710 adapter
->msix_entries
[i
].entry
= i
;
1712 status
= pci_enable_msix(adapter
->pdev
, adapter
->msix_entries
,
1713 BE_NUM_MSIX_VECTORS
);
1715 adapter
->msix_enabled
= true;
1718 static void be_sriov_enable(struct be_adapter
*adapter
)
1720 #ifdef CONFIG_PCI_IOV
1722 be_check_sriov_fn_type(adapter
);
1723 if (be_physfn(adapter
) && num_vfs
) {
1724 status
= pci_enable_sriov(adapter
->pdev
, num_vfs
);
1725 adapter
->sriov_enabled
= status
? false : true;
1730 static void be_sriov_disable(struct be_adapter
*adapter
)
1732 #ifdef CONFIG_PCI_IOV
1733 if (adapter
->sriov_enabled
) {
1734 pci_disable_sriov(adapter
->pdev
);
1735 adapter
->sriov_enabled
= false;
1740 static inline int be_msix_vec_get(struct be_adapter
*adapter
, u32 eq_id
)
1742 return adapter
->msix_entries
[
1743 be_evt_bit_get(adapter
, eq_id
)].vector
;
1746 static int be_request_irq(struct be_adapter
*adapter
,
1747 struct be_eq_obj
*eq_obj
,
1748 void *handler
, char *desc
)
1750 struct net_device
*netdev
= adapter
->netdev
;
1753 sprintf(eq_obj
->desc
, "%s-%s", netdev
->name
, desc
);
1754 vec
= be_msix_vec_get(adapter
, eq_obj
->q
.id
);
1755 return request_irq(vec
, handler
, 0, eq_obj
->desc
, adapter
);
1758 static void be_free_irq(struct be_adapter
*adapter
, struct be_eq_obj
*eq_obj
)
1760 int vec
= be_msix_vec_get(adapter
, eq_obj
->q
.id
);
1761 free_irq(vec
, adapter
);
1764 static int be_msix_register(struct be_adapter
*adapter
)
1768 status
= be_request_irq(adapter
, &adapter
->tx_eq
, be_msix_tx_mcc
, "tx");
1772 status
= be_request_irq(adapter
, &adapter
->rx_eq
, be_msix_rx
, "rx");
1779 be_free_irq(adapter
, &adapter
->tx_eq
);
1781 dev_warn(&adapter
->pdev
->dev
,
1782 "MSIX Request IRQ failed - err %d\n", status
);
1783 pci_disable_msix(adapter
->pdev
);
1784 adapter
->msix_enabled
= false;
1788 static int be_irq_register(struct be_adapter
*adapter
)
1790 struct net_device
*netdev
= adapter
->netdev
;
1793 if (adapter
->msix_enabled
) {
1794 status
= be_msix_register(adapter
);
1797 /* INTx is not supported for VF */
1798 if (!be_physfn(adapter
))
1803 netdev
->irq
= adapter
->pdev
->irq
;
1804 status
= request_irq(netdev
->irq
, be_intx
, IRQF_SHARED
, netdev
->name
,
1807 dev_err(&adapter
->pdev
->dev
,
1808 "INTx request IRQ failed - err %d\n", status
);
1812 adapter
->isr_registered
= true;
1816 static void be_irq_unregister(struct be_adapter
*adapter
)
1818 struct net_device
*netdev
= adapter
->netdev
;
1820 if (!adapter
->isr_registered
)
1824 if (!adapter
->msix_enabled
) {
1825 free_irq(netdev
->irq
, adapter
);
1830 be_free_irq(adapter
, &adapter
->tx_eq
);
1831 be_free_irq(adapter
, &adapter
->rx_eq
);
1833 adapter
->isr_registered
= false;
1836 static int be_close(struct net_device
*netdev
)
1838 struct be_adapter
*adapter
= netdev_priv(netdev
);
1839 struct be_eq_obj
*rx_eq
= &adapter
->rx_eq
;
1840 struct be_eq_obj
*tx_eq
= &adapter
->tx_eq
;
1843 cancel_delayed_work_sync(&adapter
->work
);
1845 be_async_mcc_disable(adapter
);
1847 netif_stop_queue(netdev
);
1848 netif_carrier_off(netdev
);
1849 adapter
->link_up
= false;
1851 be_intr_set(adapter
, false);
1853 if (adapter
->msix_enabled
) {
1854 vec
= be_msix_vec_get(adapter
, tx_eq
->q
.id
);
1855 synchronize_irq(vec
);
1856 vec
= be_msix_vec_get(adapter
, rx_eq
->q
.id
);
1857 synchronize_irq(vec
);
1859 synchronize_irq(netdev
->irq
);
1861 be_irq_unregister(adapter
);
1863 napi_disable(&rx_eq
->napi
);
1864 napi_disable(&tx_eq
->napi
);
1866 /* Wait for all pending tx completions to arrive so that
1867 * all tx skbs are freed.
1869 be_tx_compl_clean(adapter
);
1874 static int be_open(struct net_device
*netdev
)
1876 struct be_adapter
*adapter
= netdev_priv(netdev
);
1877 struct be_eq_obj
*rx_eq
= &adapter
->rx_eq
;
1878 struct be_eq_obj
*tx_eq
= &adapter
->tx_eq
;
1884 /* First time posting */
1885 be_post_rx_frags(adapter
);
1887 napi_enable(&rx_eq
->napi
);
1888 napi_enable(&tx_eq
->napi
);
1890 be_irq_register(adapter
);
1892 be_intr_set(adapter
, true);
1894 /* The evt queues are created in unarmed state; arm them */
1895 be_eq_notify(adapter
, rx_eq
->q
.id
, true, false, 0);
1896 be_eq_notify(adapter
, tx_eq
->q
.id
, true, false, 0);
1898 /* Rx compl queue may be in unarmed state; rearm it */
1899 be_cq_notify(adapter
, adapter
->rx_obj
.cq
.id
, true, 0);
1901 /* Now that interrupts are on we can process async mcc */
1902 be_async_mcc_enable(adapter
);
1904 schedule_delayed_work(&adapter
->work
, msecs_to_jiffies(100));
1906 status
= be_cmd_link_status_query(adapter
, &link_up
, &mac_speed
,
1910 be_link_status_update(adapter
, link_up
);
1912 if (be_physfn(adapter
)) {
1913 status
= be_vid_config(adapter
, false, 0);
1917 status
= be_cmd_set_flow_control(adapter
,
1918 adapter
->tx_fc
, adapter
->rx_fc
);
1925 be_close(adapter
->netdev
);
1929 static int be_setup_wol(struct be_adapter
*adapter
, bool enable
)
1931 struct be_dma_mem cmd
;
1935 memset(mac
, 0, ETH_ALEN
);
1937 cmd
.size
= sizeof(struct be_cmd_req_acpi_wol_magic_config
);
1938 cmd
.va
= pci_alloc_consistent(adapter
->pdev
, cmd
.size
, &cmd
.dma
);
1941 memset(cmd
.va
, 0, cmd
.size
);
1944 status
= pci_write_config_dword(adapter
->pdev
,
1945 PCICFG_PM_CONTROL_OFFSET
, PCICFG_PM_CONTROL_MASK
);
1947 dev_err(&adapter
->pdev
->dev
,
1948 "Could not enable Wake-on-lan\n");
1949 pci_free_consistent(adapter
->pdev
, cmd
.size
, cmd
.va
,
1953 status
= be_cmd_enable_magic_wol(adapter
,
1954 adapter
->netdev
->dev_addr
, &cmd
);
1955 pci_enable_wake(adapter
->pdev
, PCI_D3hot
, 1);
1956 pci_enable_wake(adapter
->pdev
, PCI_D3cold
, 1);
1958 status
= be_cmd_enable_magic_wol(adapter
, mac
, &cmd
);
1959 pci_enable_wake(adapter
->pdev
, PCI_D3hot
, 0);
1960 pci_enable_wake(adapter
->pdev
, PCI_D3cold
, 0);
1963 pci_free_consistent(adapter
->pdev
, cmd
.size
, cmd
.va
, cmd
.dma
);
1967 static int be_setup(struct be_adapter
*adapter
)
1969 struct net_device
*netdev
= adapter
->netdev
;
1970 u32 cap_flags
, en_flags
, vf
= 0;
1974 cap_flags
= en_flags
= BE_IF_FLAGS_UNTAGGED
| BE_IF_FLAGS_BROADCAST
;
1976 if (be_physfn(adapter
)) {
1977 cap_flags
|= BE_IF_FLAGS_MCAST_PROMISCUOUS
|
1978 BE_IF_FLAGS_PROMISCUOUS
|
1979 BE_IF_FLAGS_PASS_L3L4_ERRORS
;
1980 en_flags
|= BE_IF_FLAGS_PASS_L3L4_ERRORS
;
1983 status
= be_cmd_if_create(adapter
, cap_flags
, en_flags
,
1984 netdev
->dev_addr
, false/* pmac_invalid */,
1985 &adapter
->if_handle
, &adapter
->pmac_id
, 0);
1989 if (be_physfn(adapter
)) {
1990 while (vf
< num_vfs
) {
1991 cap_flags
= en_flags
= BE_IF_FLAGS_UNTAGGED
1992 | BE_IF_FLAGS_BROADCAST
;
1993 status
= be_cmd_if_create(adapter
, cap_flags
, en_flags
,
1995 &adapter
->vf_cfg
[vf
].vf_if_handle
,
1998 dev_err(&adapter
->pdev
->dev
,
1999 "Interface Create failed for VF %d\n", vf
);
2002 adapter
->vf_cfg
[vf
].vf_pmac_id
= BE_INVALID_PMAC_ID
;
2005 } else if (!be_physfn(adapter
)) {
2006 status
= be_cmd_mac_addr_query(adapter
, mac
,
2007 MAC_ADDRESS_TYPE_NETWORK
, false, adapter
->if_handle
);
2009 memcpy(adapter
->netdev
->dev_addr
, mac
, ETH_ALEN
);
2010 memcpy(adapter
->netdev
->perm_addr
, mac
, ETH_ALEN
);
2014 status
= be_tx_queues_create(adapter
);
2018 status
= be_rx_queues_create(adapter
);
2022 status
= be_mcc_queues_create(adapter
);
2026 adapter
->link_speed
= -1;
2031 be_rx_queues_destroy(adapter
);
2033 be_tx_queues_destroy(adapter
);
2035 for (vf
= 0; vf
< num_vfs
; vf
++)
2036 if (adapter
->vf_cfg
[vf
].vf_if_handle
)
2037 be_cmd_if_destroy(adapter
,
2038 adapter
->vf_cfg
[vf
].vf_if_handle
);
2039 be_cmd_if_destroy(adapter
, adapter
->if_handle
);
2044 static int be_clear(struct be_adapter
*adapter
)
2046 be_mcc_queues_destroy(adapter
);
2047 be_rx_queues_destroy(adapter
);
2048 be_tx_queues_destroy(adapter
);
2050 be_cmd_if_destroy(adapter
, adapter
->if_handle
);
2052 /* tell fw we're done with firing cmds */
2053 be_cmd_fw_clean(adapter
);
2058 #define FW_FILE_HDR_SIGN "ServerEngines Corp. "
2059 char flash_cookie
[2][16] = {"*** SE FLAS",
2060 "H DIRECTORY *** "};
2062 static bool be_flash_redboot(struct be_adapter
*adapter
,
2063 const u8
*p
, u32 img_start
, int image_size
,
2070 crc_offset
= hdr_size
+ img_start
+ image_size
- 4;
2074 status
= be_cmd_get_flash_crc(adapter
, flashed_crc
,
2077 dev_err(&adapter
->pdev
->dev
,
2078 "could not get crc from flash, not flashing redboot\n");
2082 /*update redboot only if crc does not match*/
2083 if (!memcmp(flashed_crc
, p
, 4))
2089 static int be_flash_data(struct be_adapter
*adapter
,
2090 const struct firmware
*fw
,
2091 struct be_dma_mem
*flash_cmd
, int num_of_images
)
2094 int status
= 0, i
, filehdr_size
= 0;
2095 u32 total_bytes
= 0, flash_op
;
2097 const u8
*p
= fw
->data
;
2098 struct be_cmd_write_flashrom
*req
= flash_cmd
->va
;
2099 struct flash_comp
*pflashcomp
;
2102 struct flash_comp gen3_flash_types
[9] = {
2103 { FLASH_iSCSI_PRIMARY_IMAGE_START_g3
, IMG_TYPE_ISCSI_ACTIVE
,
2104 FLASH_IMAGE_MAX_SIZE_g3
},
2105 { FLASH_REDBOOT_START_g3
, IMG_TYPE_REDBOOT
,
2106 FLASH_REDBOOT_IMAGE_MAX_SIZE_g3
},
2107 { FLASH_iSCSI_BIOS_START_g3
, IMG_TYPE_BIOS
,
2108 FLASH_BIOS_IMAGE_MAX_SIZE_g3
},
2109 { FLASH_PXE_BIOS_START_g3
, IMG_TYPE_PXE_BIOS
,
2110 FLASH_BIOS_IMAGE_MAX_SIZE_g3
},
2111 { FLASH_FCoE_BIOS_START_g3
, IMG_TYPE_FCOE_BIOS
,
2112 FLASH_BIOS_IMAGE_MAX_SIZE_g3
},
2113 { FLASH_iSCSI_BACKUP_IMAGE_START_g3
, IMG_TYPE_ISCSI_BACKUP
,
2114 FLASH_IMAGE_MAX_SIZE_g3
},
2115 { FLASH_FCoE_PRIMARY_IMAGE_START_g3
, IMG_TYPE_FCOE_FW_ACTIVE
,
2116 FLASH_IMAGE_MAX_SIZE_g3
},
2117 { FLASH_FCoE_BACKUP_IMAGE_START_g3
, IMG_TYPE_FCOE_FW_BACKUP
,
2118 FLASH_IMAGE_MAX_SIZE_g3
},
2119 { FLASH_NCSI_START_g3
, IMG_TYPE_NCSI_FW
,
2120 FLASH_NCSI_IMAGE_MAX_SIZE_g3
}
2122 struct flash_comp gen2_flash_types
[8] = {
2123 { FLASH_iSCSI_PRIMARY_IMAGE_START_g2
, IMG_TYPE_ISCSI_ACTIVE
,
2124 FLASH_IMAGE_MAX_SIZE_g2
},
2125 { FLASH_REDBOOT_START_g2
, IMG_TYPE_REDBOOT
,
2126 FLASH_REDBOOT_IMAGE_MAX_SIZE_g2
},
2127 { FLASH_iSCSI_BIOS_START_g2
, IMG_TYPE_BIOS
,
2128 FLASH_BIOS_IMAGE_MAX_SIZE_g2
},
2129 { FLASH_PXE_BIOS_START_g2
, IMG_TYPE_PXE_BIOS
,
2130 FLASH_BIOS_IMAGE_MAX_SIZE_g2
},
2131 { FLASH_FCoE_BIOS_START_g2
, IMG_TYPE_FCOE_BIOS
,
2132 FLASH_BIOS_IMAGE_MAX_SIZE_g2
},
2133 { FLASH_iSCSI_BACKUP_IMAGE_START_g2
, IMG_TYPE_ISCSI_BACKUP
,
2134 FLASH_IMAGE_MAX_SIZE_g2
},
2135 { FLASH_FCoE_PRIMARY_IMAGE_START_g2
, IMG_TYPE_FCOE_FW_ACTIVE
,
2136 FLASH_IMAGE_MAX_SIZE_g2
},
2137 { FLASH_FCoE_BACKUP_IMAGE_START_g2
, IMG_TYPE_FCOE_FW_BACKUP
,
2138 FLASH_IMAGE_MAX_SIZE_g2
}
2141 if (adapter
->generation
== BE_GEN3
) {
2142 pflashcomp
= gen3_flash_types
;
2143 filehdr_size
= sizeof(struct flash_file_hdr_g3
);
2146 pflashcomp
= gen2_flash_types
;
2147 filehdr_size
= sizeof(struct flash_file_hdr_g2
);
2150 for (i
= 0; i
< num_comp
; i
++) {
2151 if ((pflashcomp
[i
].optype
== IMG_TYPE_NCSI_FW
) &&
2152 memcmp(adapter
->fw_ver
, "3.102.148.0", 11) < 0)
2154 if ((pflashcomp
[i
].optype
== IMG_TYPE_REDBOOT
) &&
2155 (!be_flash_redboot(adapter
, fw
->data
,
2156 pflashcomp
[i
].offset
, pflashcomp
[i
].size
,
2160 p
+= filehdr_size
+ pflashcomp
[i
].offset
2161 + (num_of_images
* sizeof(struct image_hdr
));
2162 if (p
+ pflashcomp
[i
].size
> fw
->data
+ fw
->size
)
2164 total_bytes
= pflashcomp
[i
].size
;
2165 while (total_bytes
) {
2166 if (total_bytes
> 32*1024)
2167 num_bytes
= 32*1024;
2169 num_bytes
= total_bytes
;
2170 total_bytes
-= num_bytes
;
2173 flash_op
= FLASHROM_OPER_FLASH
;
2175 flash_op
= FLASHROM_OPER_SAVE
;
2176 memcpy(req
->params
.data_buf
, p
, num_bytes
);
2178 status
= be_cmd_write_flashrom(adapter
, flash_cmd
,
2179 pflashcomp
[i
].optype
, flash_op
, num_bytes
);
2181 dev_err(&adapter
->pdev
->dev
,
2182 "cmd to write to flash rom failed.\n");
2191 static int get_ufigen_type(struct flash_file_hdr_g2
*fhdr
)
2195 if (fhdr
->build
[0] == '3')
2197 else if (fhdr
->build
[0] == '2')
2203 int be_load_fw(struct be_adapter
*adapter
, u8
*func
)
2205 char fw_file
[ETHTOOL_FLASH_MAX_FILENAME
];
2206 const struct firmware
*fw
;
2207 struct flash_file_hdr_g2
*fhdr
;
2208 struct flash_file_hdr_g3
*fhdr3
;
2209 struct image_hdr
*img_hdr_ptr
= NULL
;
2210 struct be_dma_mem flash_cmd
;
2211 int status
, i
= 0, num_imgs
= 0;
2214 strcpy(fw_file
, func
);
2216 status
= request_firmware(&fw
, fw_file
, &adapter
->pdev
->dev
);
2221 fhdr
= (struct flash_file_hdr_g2
*) p
;
2222 dev_info(&adapter
->pdev
->dev
, "Flashing firmware file %s\n", fw_file
);
2224 flash_cmd
.size
= sizeof(struct be_cmd_write_flashrom
) + 32*1024;
2225 flash_cmd
.va
= pci_alloc_consistent(adapter
->pdev
, flash_cmd
.size
,
2227 if (!flash_cmd
.va
) {
2229 dev_err(&adapter
->pdev
->dev
,
2230 "Memory allocation failure while flashing\n");
2234 if ((adapter
->generation
== BE_GEN3
) &&
2235 (get_ufigen_type(fhdr
) == BE_GEN3
)) {
2236 fhdr3
= (struct flash_file_hdr_g3
*) fw
->data
;
2237 num_imgs
= le32_to_cpu(fhdr3
->num_imgs
);
2238 for (i
= 0; i
< num_imgs
; i
++) {
2239 img_hdr_ptr
= (struct image_hdr
*) (fw
->data
+
2240 (sizeof(struct flash_file_hdr_g3
) +
2241 i
* sizeof(struct image_hdr
)));
2242 if (le32_to_cpu(img_hdr_ptr
->imageid
) == 1)
2243 status
= be_flash_data(adapter
, fw
, &flash_cmd
,
2246 } else if ((adapter
->generation
== BE_GEN2
) &&
2247 (get_ufigen_type(fhdr
) == BE_GEN2
)) {
2248 status
= be_flash_data(adapter
, fw
, &flash_cmd
, 0);
2250 dev_err(&adapter
->pdev
->dev
,
2251 "UFI and Interface are not compatible for flashing\n");
2255 pci_free_consistent(adapter
->pdev
, flash_cmd
.size
, flash_cmd
.va
,
2258 dev_err(&adapter
->pdev
->dev
, "Firmware load error\n");
2262 dev_info(&adapter
->pdev
->dev
, "Firmware flashed successfully\n");
2265 release_firmware(fw
);
2269 static struct net_device_ops be_netdev_ops
= {
2270 .ndo_open
= be_open
,
2271 .ndo_stop
= be_close
,
2272 .ndo_start_xmit
= be_xmit
,
2273 .ndo_get_stats
= be_get_stats
,
2274 .ndo_set_rx_mode
= be_set_multicast_list
,
2275 .ndo_set_mac_address
= be_mac_addr_set
,
2276 .ndo_change_mtu
= be_change_mtu
,
2277 .ndo_validate_addr
= eth_validate_addr
,
2278 .ndo_vlan_rx_register
= be_vlan_register
,
2279 .ndo_vlan_rx_add_vid
= be_vlan_add_vid
,
2280 .ndo_vlan_rx_kill_vid
= be_vlan_rem_vid
,
2281 .ndo_set_vf_mac
= be_set_vf_mac
,
2282 .ndo_set_vf_vlan
= be_set_vf_vlan
,
2283 .ndo_set_vf_tx_rate
= be_set_vf_tx_rate
,
2284 .ndo_get_vf_config
= be_get_vf_config
2287 static void be_netdev_init(struct net_device
*netdev
)
2289 struct be_adapter
*adapter
= netdev_priv(netdev
);
2291 netdev
->features
|= NETIF_F_SG
| NETIF_F_HW_VLAN_RX
| NETIF_F_TSO
|
2292 NETIF_F_HW_VLAN_TX
| NETIF_F_HW_VLAN_FILTER
| NETIF_F_HW_CSUM
|
2293 NETIF_F_GRO
| NETIF_F_TSO6
;
2295 netdev
->vlan_features
|= NETIF_F_SG
| NETIF_F_TSO
| NETIF_F_HW_CSUM
;
2297 netdev
->flags
|= IFF_MULTICAST
;
2299 adapter
->rx_csum
= true;
2301 /* Default settings for Rx and Tx flow control */
2302 adapter
->rx_fc
= true;
2303 adapter
->tx_fc
= true;
2305 netif_set_gso_max_size(netdev
, 65535);
2307 BE_SET_NETDEV_OPS(netdev
, &be_netdev_ops
);
2309 SET_ETHTOOL_OPS(netdev
, &be_ethtool_ops
);
2311 netif_napi_add(netdev
, &adapter
->rx_eq
.napi
, be_poll_rx
,
2313 netif_napi_add(netdev
, &adapter
->tx_eq
.napi
, be_poll_tx_mcc
,
2316 netif_carrier_off(netdev
);
2317 netif_stop_queue(netdev
);
2320 static void be_unmap_pci_bars(struct be_adapter
*adapter
)
2323 iounmap(adapter
->csr
);
2325 iounmap(adapter
->db
);
2326 if (adapter
->pcicfg
&& be_physfn(adapter
))
2327 iounmap(adapter
->pcicfg
);
2330 static int be_map_pci_bars(struct be_adapter
*adapter
)
2333 int pcicfg_reg
, db_reg
;
2335 if (be_physfn(adapter
)) {
2336 addr
= ioremap_nocache(pci_resource_start(adapter
->pdev
, 2),
2337 pci_resource_len(adapter
->pdev
, 2));
2340 adapter
->csr
= addr
;
2343 if (adapter
->generation
== BE_GEN2
) {
2348 if (be_physfn(adapter
))
2353 addr
= ioremap_nocache(pci_resource_start(adapter
->pdev
, db_reg
),
2354 pci_resource_len(adapter
->pdev
, db_reg
));
2359 if (be_physfn(adapter
)) {
2360 addr
= ioremap_nocache(
2361 pci_resource_start(adapter
->pdev
, pcicfg_reg
),
2362 pci_resource_len(adapter
->pdev
, pcicfg_reg
));
2365 adapter
->pcicfg
= addr
;
2367 adapter
->pcicfg
= adapter
->db
+ SRIOV_VF_PCICFG_OFFSET
;
2371 be_unmap_pci_bars(adapter
);
2376 static void be_ctrl_cleanup(struct be_adapter
*adapter
)
2378 struct be_dma_mem
*mem
= &adapter
->mbox_mem_alloced
;
2380 be_unmap_pci_bars(adapter
);
2383 pci_free_consistent(adapter
->pdev
, mem
->size
,
2386 mem
= &adapter
->mc_cmd_mem
;
2388 pci_free_consistent(adapter
->pdev
, mem
->size
,
2392 static int be_ctrl_init(struct be_adapter
*adapter
)
2394 struct be_dma_mem
*mbox_mem_alloc
= &adapter
->mbox_mem_alloced
;
2395 struct be_dma_mem
*mbox_mem_align
= &adapter
->mbox_mem
;
2396 struct be_dma_mem
*mc_cmd_mem
= &adapter
->mc_cmd_mem
;
2399 status
= be_map_pci_bars(adapter
);
2403 mbox_mem_alloc
->size
= sizeof(struct be_mcc_mailbox
) + 16;
2404 mbox_mem_alloc
->va
= pci_alloc_consistent(adapter
->pdev
,
2405 mbox_mem_alloc
->size
, &mbox_mem_alloc
->dma
);
2406 if (!mbox_mem_alloc
->va
) {
2408 goto unmap_pci_bars
;
2411 mbox_mem_align
->size
= sizeof(struct be_mcc_mailbox
);
2412 mbox_mem_align
->va
= PTR_ALIGN(mbox_mem_alloc
->va
, 16);
2413 mbox_mem_align
->dma
= PTR_ALIGN(mbox_mem_alloc
->dma
, 16);
2414 memset(mbox_mem_align
->va
, 0, sizeof(struct be_mcc_mailbox
));
2416 mc_cmd_mem
->size
= sizeof(struct be_cmd_req_mcast_mac_config
);
2417 mc_cmd_mem
->va
= pci_alloc_consistent(adapter
->pdev
, mc_cmd_mem
->size
,
2419 if (mc_cmd_mem
->va
== NULL
) {
2423 memset(mc_cmd_mem
->va
, 0, mc_cmd_mem
->size
);
2425 spin_lock_init(&adapter
->mbox_lock
);
2426 spin_lock_init(&adapter
->mcc_lock
);
2427 spin_lock_init(&adapter
->mcc_cq_lock
);
2429 init_completion(&adapter
->flash_compl
);
2430 pci_save_state(adapter
->pdev
);
2434 pci_free_consistent(adapter
->pdev
, mbox_mem_alloc
->size
,
2435 mbox_mem_alloc
->va
, mbox_mem_alloc
->dma
);
2438 be_unmap_pci_bars(adapter
);
2444 static void be_stats_cleanup(struct be_adapter
*adapter
)
2446 struct be_stats_obj
*stats
= &adapter
->stats
;
2447 struct be_dma_mem
*cmd
= &stats
->cmd
;
2450 pci_free_consistent(adapter
->pdev
, cmd
->size
,
2454 static int be_stats_init(struct be_adapter
*adapter
)
2456 struct be_stats_obj
*stats
= &adapter
->stats
;
2457 struct be_dma_mem
*cmd
= &stats
->cmd
;
2459 cmd
->size
= sizeof(struct be_cmd_req_get_stats
);
2460 cmd
->va
= pci_alloc_consistent(adapter
->pdev
, cmd
->size
, &cmd
->dma
);
2461 if (cmd
->va
== NULL
)
2463 memset(cmd
->va
, 0, cmd
->size
);
2467 static void __devexit
be_remove(struct pci_dev
*pdev
)
2469 struct be_adapter
*adapter
= pci_get_drvdata(pdev
);
2474 unregister_netdev(adapter
->netdev
);
2478 be_stats_cleanup(adapter
);
2480 be_ctrl_cleanup(adapter
);
2482 be_sriov_disable(adapter
);
2484 be_msix_disable(adapter
);
2486 pci_set_drvdata(pdev
, NULL
);
2487 pci_release_regions(pdev
);
2488 pci_disable_device(pdev
);
2490 free_netdev(adapter
->netdev
);
2493 static int be_get_config(struct be_adapter
*adapter
)
2498 status
= be_cmd_get_fw_ver(adapter
, adapter
->fw_ver
);
2502 status
= be_cmd_query_fw_cfg(adapter
,
2503 &adapter
->port_num
, &adapter
->function_mode
);
2507 memset(mac
, 0, ETH_ALEN
);
2509 if (be_physfn(adapter
)) {
2510 status
= be_cmd_mac_addr_query(adapter
, mac
,
2511 MAC_ADDRESS_TYPE_NETWORK
, true /*permanent */, 0);
2516 if (!is_valid_ether_addr(mac
))
2517 return -EADDRNOTAVAIL
;
2519 memcpy(adapter
->netdev
->dev_addr
, mac
, ETH_ALEN
);
2520 memcpy(adapter
->netdev
->perm_addr
, mac
, ETH_ALEN
);
2523 if (adapter
->function_mode
& 0x400)
2524 adapter
->max_vlans
= BE_NUM_VLANS_SUPPORTED
/4;
2526 adapter
->max_vlans
= BE_NUM_VLANS_SUPPORTED
;
2531 static int __devinit
be_probe(struct pci_dev
*pdev
,
2532 const struct pci_device_id
*pdev_id
)
2535 struct be_adapter
*adapter
;
2536 struct net_device
*netdev
;
2539 status
= pci_enable_device(pdev
);
2543 status
= pci_request_regions(pdev
, DRV_NAME
);
2546 pci_set_master(pdev
);
2548 netdev
= alloc_etherdev(sizeof(struct be_adapter
));
2549 if (netdev
== NULL
) {
2553 adapter
= netdev_priv(netdev
);
2555 switch (pdev
->device
) {
2558 adapter
->generation
= BE_GEN2
;
2562 adapter
->generation
= BE_GEN3
;
2565 adapter
->generation
= 0;
2568 adapter
->pdev
= pdev
;
2569 pci_set_drvdata(pdev
, adapter
);
2570 adapter
->netdev
= netdev
;
2571 be_netdev_init(netdev
);
2572 SET_NETDEV_DEV(netdev
, &pdev
->dev
);
2574 be_msix_enable(adapter
);
2576 status
= pci_set_dma_mask(pdev
, DMA_BIT_MASK(64));
2578 netdev
->features
|= NETIF_F_HIGHDMA
;
2580 status
= pci_set_dma_mask(pdev
, DMA_BIT_MASK(32));
2582 dev_err(&pdev
->dev
, "Could not set PCI DMA Mask\n");
2587 be_sriov_enable(adapter
);
2589 status
= be_ctrl_init(adapter
);
2593 /* sync up with fw's ready state */
2594 if (be_physfn(adapter
)) {
2595 status
= be_cmd_POST(adapter
);
2600 /* tell fw we're ready to fire cmds */
2601 status
= be_cmd_fw_init(adapter
);
2605 if (be_physfn(adapter
)) {
2606 status
= be_cmd_reset_function(adapter
);
2611 status
= be_stats_init(adapter
);
2615 status
= be_get_config(adapter
);
2619 INIT_DELAYED_WORK(&adapter
->work
, be_worker
);
2621 status
= be_setup(adapter
);
2625 status
= register_netdev(netdev
);
2629 dev_info(&pdev
->dev
, "%s port %d\n", nic_name(pdev
), adapter
->port_num
);
2635 be_stats_cleanup(adapter
);
2637 be_ctrl_cleanup(adapter
);
2639 be_msix_disable(adapter
);
2640 be_sriov_disable(adapter
);
2641 free_netdev(adapter
->netdev
);
2642 pci_set_drvdata(pdev
, NULL
);
2644 pci_release_regions(pdev
);
2646 pci_disable_device(pdev
);
2648 dev_err(&pdev
->dev
, "%s initialization failed\n", nic_name(pdev
));
2652 static int be_suspend(struct pci_dev
*pdev
, pm_message_t state
)
2654 struct be_adapter
*adapter
= pci_get_drvdata(pdev
);
2655 struct net_device
*netdev
= adapter
->netdev
;
2658 be_setup_wol(adapter
, true);
2660 netif_device_detach(netdev
);
2661 if (netif_running(netdev
)) {
2666 be_cmd_get_flow_control(adapter
, &adapter
->tx_fc
, &adapter
->rx_fc
);
2669 pci_save_state(pdev
);
2670 pci_disable_device(pdev
);
2671 pci_set_power_state(pdev
, pci_choose_state(pdev
, state
));
2675 static int be_resume(struct pci_dev
*pdev
)
2678 struct be_adapter
*adapter
= pci_get_drvdata(pdev
);
2679 struct net_device
*netdev
= adapter
->netdev
;
2681 netif_device_detach(netdev
);
2683 status
= pci_enable_device(pdev
);
2687 pci_set_power_state(pdev
, 0);
2688 pci_restore_state(pdev
);
2690 /* tell fw we're ready to fire cmds */
2691 status
= be_cmd_fw_init(adapter
);
2696 if (netif_running(netdev
)) {
2701 netif_device_attach(netdev
);
2704 be_setup_wol(adapter
, false);
2709 * An FLR will stop BE from DMAing any data.
2711 static void be_shutdown(struct pci_dev
*pdev
)
2713 struct be_adapter
*adapter
= pci_get_drvdata(pdev
);
2714 struct net_device
*netdev
= adapter
->netdev
;
2716 netif_device_detach(netdev
);
2718 be_cmd_reset_function(adapter
);
2721 be_setup_wol(adapter
, true);
2723 pci_disable_device(pdev
);
2726 static pci_ers_result_t
be_eeh_err_detected(struct pci_dev
*pdev
,
2727 pci_channel_state_t state
)
2729 struct be_adapter
*adapter
= pci_get_drvdata(pdev
);
2730 struct net_device
*netdev
= adapter
->netdev
;
2732 dev_err(&adapter
->pdev
->dev
, "EEH error detected\n");
2734 adapter
->eeh_err
= true;
2736 netif_device_detach(netdev
);
2738 if (netif_running(netdev
)) {
2745 if (state
== pci_channel_io_perm_failure
)
2746 return PCI_ERS_RESULT_DISCONNECT
;
2748 pci_disable_device(pdev
);
2750 return PCI_ERS_RESULT_NEED_RESET
;
2753 static pci_ers_result_t
be_eeh_reset(struct pci_dev
*pdev
)
2755 struct be_adapter
*adapter
= pci_get_drvdata(pdev
);
2758 dev_info(&adapter
->pdev
->dev
, "EEH reset\n");
2759 adapter
->eeh_err
= false;
2761 status
= pci_enable_device(pdev
);
2763 return PCI_ERS_RESULT_DISCONNECT
;
2765 pci_set_master(pdev
);
2766 pci_set_power_state(pdev
, 0);
2767 pci_restore_state(pdev
);
2769 /* Check if card is ok and fw is ready */
2770 status
= be_cmd_POST(adapter
);
2772 return PCI_ERS_RESULT_DISCONNECT
;
2774 return PCI_ERS_RESULT_RECOVERED
;
2777 static void be_eeh_resume(struct pci_dev
*pdev
)
2780 struct be_adapter
*adapter
= pci_get_drvdata(pdev
);
2781 struct net_device
*netdev
= adapter
->netdev
;
2783 dev_info(&adapter
->pdev
->dev
, "EEH resume\n");
2785 pci_save_state(pdev
);
2787 /* tell fw we're ready to fire cmds */
2788 status
= be_cmd_fw_init(adapter
);
2792 status
= be_setup(adapter
);
2796 if (netif_running(netdev
)) {
2797 status
= be_open(netdev
);
2801 netif_device_attach(netdev
);
2804 dev_err(&adapter
->pdev
->dev
, "EEH resume failed\n");
2807 static struct pci_error_handlers be_eeh_handlers
= {
2808 .error_detected
= be_eeh_err_detected
,
2809 .slot_reset
= be_eeh_reset
,
2810 .resume
= be_eeh_resume
,
2813 static struct pci_driver be_driver
= {
2815 .id_table
= be_dev_ids
,
2817 .remove
= be_remove
,
2818 .suspend
= be_suspend
,
2819 .resume
= be_resume
,
2820 .shutdown
= be_shutdown
,
2821 .err_handler
= &be_eeh_handlers
2824 static int __init
be_init_module(void)
2826 if (rx_frag_size
!= 8192 && rx_frag_size
!= 4096 &&
2827 rx_frag_size
!= 2048) {
2828 printk(KERN_WARNING DRV_NAME
2829 " : Module param rx_frag_size must be 2048/4096/8192."
2831 rx_frag_size
= 2048;
2835 printk(KERN_WARNING DRV_NAME
2836 " : Module param num_vfs must not be greater than 32."
2841 return pci_register_driver(&be_driver
);
2843 module_init(be_init_module
);
2845 static void __exit
be_exit_module(void)
2847 pci_unregister_driver(&be_driver
);
2849 module_exit(be_exit_module
);