2 * Copyright (C) 2005 - 2014 Emulex
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License version 2
7 * as published by the Free Software Foundation. The full GNU General
8 * Public License is included in this distribution in the file called COPYING.
10 * Contact Information:
11 * linux-drivers@emulex.com
15 * Costa Mesa, CA 92626
21 #include <linux/pci.h>
22 #include <linux/etherdevice.h>
23 #include <linux/delay.h>
27 #include <linux/if_vlan.h>
28 #include <linux/workqueue.h>
29 #include <linux/interrupt.h>
30 #include <linux/firmware.h>
31 #include <linux/slab.h>
32 #include <linux/u64_stats_sync.h>
37 #define DRV_VER "10.4u"
38 #define DRV_NAME "be2net"
39 #define BE_NAME "Emulex BladeEngine2"
40 #define BE3_NAME "Emulex BladeEngine3"
41 #define OC_NAME "Emulex OneConnect"
42 #define OC_NAME_BE OC_NAME "(be3)"
43 #define OC_NAME_LANCER OC_NAME "(Lancer)"
44 #define OC_NAME_SH OC_NAME "(Skyhawk)"
45 #define DRV_DESC "Emulex OneConnect NIC Driver"
47 #define BE_VENDOR_ID 0x19a2
48 #define EMULEX_VENDOR_ID 0x10df
49 #define BE_DEVICE_ID1 0x211
50 #define BE_DEVICE_ID2 0x221
51 #define OC_DEVICE_ID1 0x700 /* Device Id for BE2 cards */
52 #define OC_DEVICE_ID2 0x710 /* Device Id for BE3 cards */
53 #define OC_DEVICE_ID3 0xe220 /* Device id for Lancer cards */
54 #define OC_DEVICE_ID4 0xe228 /* Device id for VF in Lancer */
55 #define OC_DEVICE_ID5 0x720 /* Device Id for Skyhawk cards */
56 #define OC_DEVICE_ID6 0x728 /* Device id for VF in SkyHawk */
57 #define OC_SUBSYS_DEVICE_ID1 0xE602
58 #define OC_SUBSYS_DEVICE_ID2 0xE642
59 #define OC_SUBSYS_DEVICE_ID3 0xE612
60 #define OC_SUBSYS_DEVICE_ID4 0xE652
62 /* Number of bytes of an RX frame that are copied to skb->data */
63 #define BE_HDR_LEN ((u16) 64)
64 /* allocate extra space to allow tunneling decapsulation without head reallocation */
65 #define BE_RX_SKB_ALLOC_SIZE (BE_HDR_LEN + 64)
67 #define BE_MAX_JUMBO_FRAME_SIZE 9018
68 #define BE_MIN_MTU 256
69 #define BE_MAX_MTU (BE_MAX_JUMBO_FRAME_SIZE - \
70 (ETH_HLEN + ETH_FCS_LEN))
72 #define BE_NUM_VLANS_SUPPORTED 64
73 #define BE_MAX_EQD 128u
74 #define BE_MAX_TX_FRAG_COUNT 30
76 #define EVNT_Q_LEN 1024
78 #define TX_CQ_LEN 1024
79 #define RX_Q_LEN 1024 /* Does not support any other value */
80 #define RX_CQ_LEN 1024
81 #define MCC_Q_LEN 128 /* total size not to exceed 8 pages */
82 #define MCC_CQ_LEN 256
84 #define BE2_MAX_RSS_QS 4
85 #define BE3_MAX_RSS_QS 16
86 #define BE3_MAX_TX_QS 16
87 #define BE3_MAX_EVT_QS 16
88 #define BE3_SRIOV_MAX_EVT_QS 8
90 #define MAX_RSS_IFACES 15
95 #define MAX_ROCE_EQS 5
96 #define MAX_MSIX_VECTORS 32
97 #define MIN_MSIX_VECTORS 1
98 #define BE_NAPI_WEIGHT 64
99 #define MAX_RX_POST BE_NAPI_WEIGHT /* Frags posted at a time */
100 #define RX_FRAGS_REFILL_WM (RX_Q_LEN - MAX_RX_POST)
102 #define MAX_VFS 30 /* Max VFs supported by BE3 FW */
103 #define FW_VER_LEN 32
105 #define RSS_INDIR_TABLE_LEN 128
106 #define RSS_HASH_KEY_LEN 40
114 struct be_queue_info {
115 struct be_dma_mem dma_mem;
117 u16 entry_size; /* Size of an element in the queue */
121 atomic_t used; /* Number of valid elements in the queue */
124 static inline u32 MODULO(u16 val, u16 limit)
126 BUG_ON(limit & (limit - 1));
127 return val & (limit - 1);
130 static inline void index_adv(u16 *index, u16 val, u16 limit)
132 *index = MODULO((*index + val), limit);
135 static inline void index_inc(u16 *index, u16 limit)
137 *index = MODULO((*index + 1), limit);
140 static inline void *queue_head_node(struct be_queue_info *q)
142 return q->dma_mem.va + q->head * q->entry_size;
145 static inline void *queue_tail_node(struct be_queue_info *q)
147 return q->dma_mem.va + q->tail * q->entry_size;
150 static inline void *queue_index_node(struct be_queue_info *q, u16 index)
152 return q->dma_mem.va + index * q->entry_size;
155 static inline void queue_head_inc(struct be_queue_info *q)
157 index_inc(&q->head, q->len);
160 static inline void index_dec(u16 *index, u16 limit)
162 *index = MODULO((*index - 1), limit);
165 static inline void queue_tail_inc(struct be_queue_info *q)
167 index_inc(&q->tail, q->len);
171 struct be_queue_info q;
174 /* Adaptive interrupt coalescing (AIC) info */
176 u32 min_eqd; /* in usecs */
177 u32 max_eqd; /* in usecs */
178 u32 eqd; /* configured val when aic is off */
179 u32 cur_eqd; /* in usecs */
181 u8 idx; /* array index */
184 struct napi_struct napi;
185 struct be_adapter *adapter;
187 #ifdef CONFIG_NET_RX_BUSY_POLL
189 #define BE_EQ_NAPI 1 /* napi owns this EQ */
190 #define BE_EQ_POLL 2 /* poll owns this EQ */
191 #define BE_EQ_LOCKED (BE_EQ_NAPI | BE_EQ_POLL)
192 #define BE_EQ_NAPI_YIELD 4 /* napi yielded this EQ */
193 #define BE_EQ_POLL_YIELD 8 /* poll yielded this EQ */
194 #define BE_EQ_YIELD (BE_EQ_NAPI_YIELD | BE_EQ_POLL_YIELD)
195 #define BE_EQ_USER_PEND (BE_EQ_POLL | BE_EQ_POLL_YIELD)
197 spinlock_t lock; /* lock to serialize napi and busy-poll */
198 #endif /* CONFIG_NET_RX_BUSY_POLL */
199 } ____cacheline_aligned_in_smp;
201 struct be_aic_obj { /* Adaptive interrupt coalescing (AIC) info */
203 u32 min_eqd; /* in usecs */
204 u32 max_eqd; /* in usecs */
205 u32 prev_eqd; /* in usecs */
206 u32 et_eqd; /* configured val when aic is off */
208 u64 rx_pkts_prev; /* Used to calculate RX pps */
209 u64 tx_reqs_prev; /* Used to calculate TX pps */
218 struct be_queue_info q;
219 struct be_queue_info cq;
230 u32 tx_drv_drops; /* pkts dropped by driver */
231 /* the error counters are described in be_ethtool.c */
232 u32 tx_hdr_parse_err;
235 u32 tx_spoof_check_err;
237 u32 tx_internal_parity_err;
238 struct u64_stats_sync sync;
239 struct u64_stats_sync sync_compl;
242 /* Structure to hold some data of interest obtained from a TX CQE */
243 struct be_tx_compl_info {
244 u8 status; /* Completion status */
245 u16 end_index; /* Completed TXQ Index */
250 struct be_queue_info q;
251 struct be_queue_info cq;
252 struct be_tx_compl_info txcp;
253 /* Remember the skbs that were transmitted */
254 struct sk_buff *sent_skb_list[TX_Q_LEN];
255 struct be_tx_stats stats;
256 u16 pend_wrb_cnt; /* Number of WRBs yet to be given to HW */
257 u16 last_req_wrb_cnt; /* wrb cnt of the last req in the Q */
258 u16 last_req_hdr; /* index of the last req's hdr-wrb */
259 } ____cacheline_aligned_in_smp;
261 /* Struct to remember the pages posted for rx frags */
262 struct be_rx_page_info {
264 /* set to page-addr for last frag of the page & frag-addr otherwise */
265 DEFINE_DMA_UNMAP_ADDR(bus);
267 bool last_frag; /* last frag of the page */
273 u32 rx_drops_no_skbs; /* skb allocation errors */
274 u32 rx_drops_no_frags; /* HW has no fetched frags */
275 u32 rx_post_fail; /* page post alloc failures */
278 u32 rx_compl_err; /* completions with err set */
279 struct u64_stats_sync sync;
282 struct be_rx_compl_info {
303 struct be_adapter *adapter;
304 struct be_queue_info q;
305 struct be_queue_info cq;
306 struct be_rx_compl_info rxcp;
307 struct be_rx_page_info page_info_tbl[RX_Q_LEN];
308 struct be_rx_stats stats;
310 bool rx_post_starved; /* Zero rx frags have been posted to BE */
311 } ____cacheline_aligned_in_smp;
313 struct be_drv_stats {
314 u32 be_on_die_temperature;
317 u32 rx_drops_no_pbuf;
318 u32 rx_drops_no_txpb;
319 u32 rx_drops_no_erx_descr;
320 u32 rx_drops_no_tpre_descr;
321 u32 rx_drops_too_many_frags;
322 u32 forwarded_packets;
325 u32 rx_alignment_symbol_errors;
327 u32 rx_priority_pause_frames;
328 u32 rx_control_frames;
329 u32 rx_in_range_errors;
330 u32 rx_out_range_errors;
331 u32 rx_frame_too_long;
332 u32 rx_address_filtered;
333 u32 rx_dropped_too_small;
334 u32 rx_dropped_too_short;
335 u32 rx_dropped_header_too_small;
336 u32 rx_dropped_tcp_length;
338 u32 rx_ip_checksum_errs;
339 u32 rx_tcp_checksum_errs;
340 u32 rx_udp_checksum_errs;
342 u32 tx_priority_pauseframes;
343 u32 tx_controlframes;
344 u32 rxpp_fifo_overflow_drop;
345 u32 rx_input_fifo_overflow_drop;
346 u32 pmem_fifo_overflow_drop;
348 u32 rx_roce_bytes_lsd;
349 u32 rx_roce_bytes_msd;
351 u32 roce_drops_payload_len;
355 /* A vlan-id of 0xFFFF must be used to clear transparent vlan-tagging */
356 #define BE_RESET_VLAN_TAG_ID 0xFFFF
359 unsigned char mac_addr[ETH_ALEN];
372 #define BE_FLAGS_LINK_STATUS_INIT BIT(1)
373 #define BE_FLAGS_SRIOV_ENABLED BIT(2)
374 #define BE_FLAGS_WORKER_SCHEDULED BIT(3)
375 #define BE_FLAGS_NAPI_ENABLED BIT(6)
376 #define BE_FLAGS_QNQ_ASYNC_EVT_RCVD BIT(7)
377 #define BE_FLAGS_VXLAN_OFFLOADS BIT(8)
378 #define BE_FLAGS_SETUP_DONE BIT(9)
379 #define BE_FLAGS_EVT_INCOMPATIBLE_SFP BIT(10)
380 #define BE_FLAGS_ERR_DETECTION_SCHEDULED BIT(11)
382 #define BE_UC_PMAC_COUNT 30
383 #define BE_VF_UC_PMAC_COUNT 2
385 /* Ethtool set_dump flags */
386 #define LANCER_INITIATE_FW_DUMP 0x1
387 #define LANCER_DELETE_FW_DUMP 0x2
390 /* From SFF-8472 spec */
391 #define SFP_VENDOR_NAME_LEN 17
399 u16 auto_speeds_supported;
400 u16 fixed_speeds_supported;
405 u8 vendor_name[SFP_VENDOR_NAME_LEN];
406 u8 vendor_pn[SFP_VENDOR_NAME_LEN];
409 struct be_resources {
410 u16 max_vfs; /* Total VFs "really" supported by FW/HW */
416 u16 max_uc_mac; /* Max UC MACs programmable */
417 u16 max_vlans; /* Number of vlans supported */
422 u32 vf_if_cap_flags; /* VF if capability flags */
427 u8 rsstable[RSS_INDIR_TABLE_LEN];
428 u8 rss_queue[RSS_INDIR_TABLE_LEN];
429 u8 rss_hkey[RSS_HASH_KEY_LEN];
432 /* Macros to read/write the 'features' word of be_wrb_params structure.
434 #define BE_WRB_F_BIT(name) BE_WRB_F_##name##_BIT
435 #define BE_WRB_F_MASK(name) BIT_MASK(BE_WRB_F_##name##_BIT)
437 #define BE_WRB_F_GET(word, name) \
438 (((word) & (BE_WRB_F_MASK(name))) >> BE_WRB_F_BIT(name))
440 #define BE_WRB_F_SET(word, name, val) \
441 ((word) |= (((val) << BE_WRB_F_BIT(name)) & BE_WRB_F_MASK(name)))
443 /* Feature/offload bits */
445 BE_WRB_F_CRC_BIT, /* Ethernet CRC */
446 BE_WRB_F_IPCS_BIT, /* IP csum */
447 BE_WRB_F_TCPCS_BIT, /* TCP csum */
448 BE_WRB_F_UDPCS_BIT, /* UDP csum */
449 BE_WRB_F_LSO_BIT, /* LSO */
450 BE_WRB_F_LSO6_BIT, /* LSO6 */
451 BE_WRB_F_VLAN_BIT, /* VLAN */
452 BE_WRB_F_VLAN_SKIP_HW_BIT /* Skip VLAN tag (workaround) */
455 /* The structure below provides a HW-agnostic abstraction of WRB params
456 * retrieved from a TX skb. This is in turn passed to chip specific routines
457 * during transmit, to set the corresponding params in the WRB.
459 struct be_wrb_params {
460 u32 features; /* Feature bits */
461 u16 vlan_tag; /* VLAN tag */
462 u16 lso_mss; /* MSS for LSO */
466 struct pci_dev *pdev;
467 struct net_device *netdev;
469 u8 __iomem *csr; /* CSR BAR used only for BE2/3 */
470 u8 __iomem *db; /* Door Bell */
472 struct mutex mbox_lock; /* For serializing mbox cmds to BE card */
473 struct be_dma_mem mbox_mem;
474 /* Mbox mem is adjusted to align to 16 bytes. The allocated addr
475 * is stored for freeing purpose */
476 struct be_dma_mem mbox_mem_alloced;
478 struct be_mcc_obj mcc_obj;
479 spinlock_t mcc_lock; /* For serializing mcc cmds to BE card */
480 spinlock_t mcc_cq_lock;
482 u16 cfg_num_qs; /* configured via set-channels */
485 struct be_eq_obj eq_obj[MAX_EVT_QS];
486 struct msix_entry msix_entries[MAX_MSIX_VECTORS];
491 struct be_tx_obj tx_obj[MAX_TX_QS];
497 struct be_rx_obj rx_obj[MAX_RX_QS];
498 u32 big_page_size; /* Compounded page size shared by rx wrbs */
500 struct be_drv_stats drv_stats;
501 struct be_aic_obj aic_obj[MAX_EVT_QS];
502 u8 vlan_prio_bmap; /* Available Priority BitMap */
503 u16 recommended_prio; /* Recommended Priority */
504 struct be_dma_mem rx_filter; /* Cmd DMA mem for rx-filter */
506 struct be_dma_mem stats_cmd;
507 /* Work queue used to perform periodic tasks like getting statistics */
508 struct delayed_work work;
511 struct delayed_work be_err_detection_work;
514 /* Ethtool knobs and info */
515 char fw_ver[FW_VER_LEN];
516 char fw_on_flash[FW_VER_LEN];
518 /* IFACE filtering fields */
519 int if_handle; /* Used to configure filtering */
520 u32 if_flags; /* Interface filtering flags */
521 u32 *pmac_id; /* MAC addr handle used by BE card */
522 u32 uc_macs; /* Count of secondary UC MAC programmed */
523 unsigned long vids[BITS_TO_LONGS(VLAN_N_VID)];
526 u32 beacon_state; /* for set_phys_id */
537 u32 rx_fc; /* Rx flow control */
538 u32 tx_fc; /* Tx flow control */
545 u32 num_msix_roce_vec;
546 struct ocrdma_dev *ocrdma_dev;
547 struct list_head entry;
550 struct completion et_cmd_compl;
552 struct be_resources pool_res; /* resources available for the port */
553 struct be_resources res; /* resources available for the func */
554 u16 num_vfs; /* Number of VFs provisioned by PF */
556 struct be_vf_cfg *vf_cfg;
562 int vxlan_port_count;
569 int be_get_temp_freq;
571 struct rss_info rss_info;
574 #define be_physfn(adapter) (!adapter->virtfn)
575 #define be_virtfn(adapter) (adapter->virtfn)
576 #define sriov_enabled(adapter) (adapter->flags & \
577 BE_FLAGS_SRIOV_ENABLED)
579 #define for_all_vfs(adapter, vf_cfg, i) \
580 for (i = 0, vf_cfg = &adapter->vf_cfg[i]; i < adapter->num_vfs; \
586 #define be_max_vlans(adapter) (adapter->res.max_vlans)
587 #define be_max_uc(adapter) (adapter->res.max_uc_mac)
588 #define be_max_mc(adapter) (adapter->res.max_mcast_mac)
589 #define be_max_vfs(adapter) (adapter->pool_res.max_vfs)
590 #define be_max_rss(adapter) (adapter->res.max_rss_qs)
591 #define be_max_txqs(adapter) (adapter->res.max_tx_qs)
592 #define be_max_prio_txqs(adapter) (adapter->res.max_prio_tx_qs)
593 #define be_max_rxqs(adapter) (adapter->res.max_rx_qs)
594 #define be_max_eqs(adapter) (adapter->res.max_evt_qs)
595 #define be_if_cap_flags(adapter) (adapter->res.if_cap_flags)
597 static inline u16 be_max_qs(struct be_adapter *adapter)
599 /* If no RSS, need atleast the one def RXQ */
600 u16 num = max_t(u16, be_max_rss(adapter), 1);
602 num = min(num, be_max_eqs(adapter));
603 return min_t(u16, num, num_online_cpus());
606 /* Is BE in pvid_tagging mode */
607 #define be_pvid_tagging_enabled(adapter) (adapter->pvid)
609 /* Is BE in QNQ multi-channel mode */
610 #define be_is_qnq_mode(adapter) (adapter->function_mode & QNQ_MODE)
612 #define lancer_chip(adapter) (adapter->pdev->device == OC_DEVICE_ID3 || \
613 adapter->pdev->device == OC_DEVICE_ID4)
615 #define skyhawk_chip(adapter) (adapter->pdev->device == OC_DEVICE_ID5 || \
616 adapter->pdev->device == OC_DEVICE_ID6)
618 #define BE3_chip(adapter) (adapter->pdev->device == BE_DEVICE_ID2 || \
619 adapter->pdev->device == OC_DEVICE_ID2)
621 #define BE2_chip(adapter) (adapter->pdev->device == BE_DEVICE_ID1 || \
622 adapter->pdev->device == OC_DEVICE_ID1)
624 #define BEx_chip(adapter) (BE3_chip(adapter) || BE2_chip(adapter))
626 #define be_roce_supported(adapter) (skyhawk_chip(adapter) && \
627 (adapter->function_mode & RDMA_ENABLED))
629 extern const struct ethtool_ops be_ethtool_ops;
631 #define msix_enabled(adapter) (adapter->num_msix_vec > 0)
632 #define num_irqs(adapter) (msix_enabled(adapter) ? \
633 adapter->num_msix_vec : 1)
634 #define tx_stats(txo) (&(txo)->stats)
635 #define rx_stats(rxo) (&(rxo)->stats)
637 /* The default RXQ is the last RXQ */
638 #define default_rxo(adpt) (&adpt->rx_obj[adpt->num_rx_qs - 1])
640 #define for_all_rx_queues(adapter, rxo, i) \
641 for (i = 0, rxo = &adapter->rx_obj[i]; i < adapter->num_rx_qs; \
644 #define for_all_rss_queues(adapter, rxo, i) \
645 for (i = 0, rxo = &adapter->rx_obj[i]; i < adapter->num_rss_qs; \
648 #define for_all_tx_queues(adapter, txo, i) \
649 for (i = 0, txo = &adapter->tx_obj[i]; i < adapter->num_tx_qs; \
652 #define for_all_evt_queues(adapter, eqo, i) \
653 for (i = 0, eqo = &adapter->eq_obj[i]; i < adapter->num_evt_qs; \
656 #define for_all_rx_queues_on_eq(adapter, eqo, rxo, i) \
657 for (i = eqo->idx, rxo = &adapter->rx_obj[i]; i < adapter->num_rx_qs;\
658 i += adapter->num_evt_qs, rxo += adapter->num_evt_qs)
660 #define for_all_tx_queues_on_eq(adapter, eqo, txo, i) \
661 for (i = eqo->idx, txo = &adapter->tx_obj[i]; i < adapter->num_tx_qs;\
662 i += adapter->num_evt_qs, txo += adapter->num_evt_qs)
664 #define is_mcc_eqo(eqo) (eqo->idx == 0)
665 #define mcc_eqo(adapter) (&adapter->eq_obj[0])
667 #define PAGE_SHIFT_4K 12
668 #define PAGE_SIZE_4K (1 << PAGE_SHIFT_4K)
670 /* Returns number of pages spanned by the data starting at the given addr */
671 #define PAGES_4K_SPANNED(_address, size) \
672 ((u32)((((size_t)(_address) & (PAGE_SIZE_4K - 1)) + \
673 (size) + (PAGE_SIZE_4K - 1)) >> PAGE_SHIFT_4K))
675 /* Returns bit offset within a DWORD of a bitfield */
676 #define AMAP_BIT_OFFSET(_struct, field) \
677 (((size_t)&(((_struct *)0)->field))%32)
679 /* Returns the bit mask of the field that is NOT shifted into location. */
680 static inline u32 amap_mask(u32 bitsize)
682 return (bitsize == 32 ? 0xFFFFFFFF : (1 << bitsize) - 1);
686 amap_set(void *ptr, u32 dw_offset, u32 mask, u32 offset, u32 value)
688 u32 *dw = (u32 *) ptr + dw_offset;
689 *dw &= ~(mask << offset);
690 *dw |= (mask & value) << offset;
693 #define AMAP_SET_BITS(_struct, field, ptr, val) \
695 offsetof(_struct, field)/32, \
696 amap_mask(sizeof(((_struct *)0)->field)), \
697 AMAP_BIT_OFFSET(_struct, field), \
700 static inline u32 amap_get(void *ptr, u32 dw_offset, u32 mask, u32 offset)
702 u32 *dw = (u32 *) ptr;
703 return mask & (*(dw + dw_offset) >> offset);
706 #define AMAP_GET_BITS(_struct, field, ptr) \
708 offsetof(_struct, field)/32, \
709 amap_mask(sizeof(((_struct *)0)->field)), \
710 AMAP_BIT_OFFSET(_struct, field))
712 #define GET_RX_COMPL_V0_BITS(field, ptr) \
713 AMAP_GET_BITS(struct amap_eth_rx_compl_v0, field, ptr)
715 #define GET_RX_COMPL_V1_BITS(field, ptr) \
716 AMAP_GET_BITS(struct amap_eth_rx_compl_v1, field, ptr)
718 #define GET_TX_COMPL_BITS(field, ptr) \
719 AMAP_GET_BITS(struct amap_eth_tx_compl, field, ptr)
721 #define SET_TX_WRB_HDR_BITS(field, ptr, val) \
722 AMAP_SET_BITS(struct amap_eth_hdr_wrb, field, ptr, val)
724 #define be_dws_cpu_to_le(wrb, len) swap_dws(wrb, len)
725 #define be_dws_le_to_cpu(wrb, len) swap_dws(wrb, len)
726 static inline void swap_dws(void *wrb, int len)
732 *dw = cpu_to_le32(*dw);
736 #endif /* __BIG_ENDIAN */
739 #define be_cmd_status(status) (status > 0 ? -EIO : status)
741 static inline u8 is_tcp_pkt(struct sk_buff *skb)
745 if (ip_hdr(skb)->version == 4)
746 val = (ip_hdr(skb)->protocol == IPPROTO_TCP);
747 else if (ip_hdr(skb)->version == 6)
748 val = (ipv6_hdr(skb)->nexthdr == NEXTHDR_TCP);
753 static inline u8 is_udp_pkt(struct sk_buff *skb)
757 if (ip_hdr(skb)->version == 4)
758 val = (ip_hdr(skb)->protocol == IPPROTO_UDP);
759 else if (ip_hdr(skb)->version == 6)
760 val = (ipv6_hdr(skb)->nexthdr == NEXTHDR_UDP);
765 static inline bool is_ipv4_pkt(struct sk_buff *skb)
767 return skb->protocol == htons(ETH_P_IP) && ip_hdr(skb)->version == 4;
770 static inline bool be_multi_rxq(const struct be_adapter *adapter)
772 return adapter->num_rx_qs > 1;
775 static inline bool be_error(struct be_adapter *adapter)
777 return adapter->eeh_error || adapter->hw_error || adapter->fw_timeout;
780 static inline bool be_hw_error(struct be_adapter *adapter)
782 return adapter->eeh_error || adapter->hw_error;
785 static inline void be_clear_all_error(struct be_adapter *adapter)
787 adapter->eeh_error = false;
788 adapter->hw_error = false;
789 adapter->fw_timeout = false;
792 void be_cq_notify(struct be_adapter *adapter, u16 qid, bool arm,
794 void be_link_status_update(struct be_adapter *adapter, u8 link_status);
795 void be_parse_stats(struct be_adapter *adapter);
796 int be_load_fw(struct be_adapter *adapter, u8 *func);
797 bool be_is_wol_supported(struct be_adapter *adapter);
798 bool be_pause_supported(struct be_adapter *adapter);
799 u32 be_get_fw_log_level(struct be_adapter *adapter);
800 int be_update_queues(struct be_adapter *adapter);
801 int be_poll(struct napi_struct *napi, int budget);
804 * internal function to initialize-cleanup roce device.
806 void be_roce_dev_add(struct be_adapter *);
807 void be_roce_dev_remove(struct be_adapter *);
810 * internal function to open-close roce device during ifup-ifdown.
812 void be_roce_dev_open(struct be_adapter *);
813 void be_roce_dev_close(struct be_adapter *);
814 void be_roce_dev_shutdown(struct be_adapter *);