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
94 #define MAX_ROCE_EQS 5
95 #define MAX_MSIX_VECTORS 32
96 #define MIN_MSIX_VECTORS 1
97 #define BE_NAPI_WEIGHT 64
98 #define MAX_RX_POST BE_NAPI_WEIGHT /* Frags posted at a time */
99 #define RX_FRAGS_REFILL_WM (RX_Q_LEN - MAX_RX_POST)
101 #define MAX_VFS 30 /* Max VFs supported by BE3 FW */
102 #define FW_VER_LEN 32
104 #define RSS_INDIR_TABLE_LEN 128
105 #define RSS_HASH_KEY_LEN 40
113 struct be_queue_info {
114 struct be_dma_mem dma_mem;
116 u16 entry_size; /* Size of an element in the queue */
120 atomic_t used; /* Number of valid elements in the queue */
123 static inline u32 MODULO(u16 val, u16 limit)
125 BUG_ON(limit & (limit - 1));
126 return val & (limit - 1);
129 static inline void index_adv(u16 *index, u16 val, u16 limit)
131 *index = MODULO((*index + val), limit);
134 static inline void index_inc(u16 *index, u16 limit)
136 *index = MODULO((*index + 1), limit);
139 static inline void *queue_head_node(struct be_queue_info *q)
141 return q->dma_mem.va + q->head * q->entry_size;
144 static inline void *queue_tail_node(struct be_queue_info *q)
146 return q->dma_mem.va + q->tail * q->entry_size;
149 static inline void *queue_index_node(struct be_queue_info *q, u16 index)
151 return q->dma_mem.va + index * q->entry_size;
154 static inline void queue_head_inc(struct be_queue_info *q)
156 index_inc(&q->head, q->len);
159 static inline void index_dec(u16 *index, u16 limit)
161 *index = MODULO((*index - 1), limit);
164 static inline void queue_tail_inc(struct be_queue_info *q)
166 index_inc(&q->tail, q->len);
170 struct be_queue_info q;
173 /* Adaptive interrupt coalescing (AIC) info */
175 u32 min_eqd; /* in usecs */
176 u32 max_eqd; /* in usecs */
177 u32 eqd; /* configured val when aic is off */
178 u32 cur_eqd; /* in usecs */
180 u8 idx; /* array index */
183 struct napi_struct napi;
184 struct be_adapter *adapter;
186 #ifdef CONFIG_NET_RX_BUSY_POLL
188 #define BE_EQ_NAPI 1 /* napi owns this EQ */
189 #define BE_EQ_POLL 2 /* poll owns this EQ */
190 #define BE_EQ_LOCKED (BE_EQ_NAPI | BE_EQ_POLL)
191 #define BE_EQ_NAPI_YIELD 4 /* napi yielded this EQ */
192 #define BE_EQ_POLL_YIELD 8 /* poll yielded this EQ */
193 #define BE_EQ_YIELD (BE_EQ_NAPI_YIELD | BE_EQ_POLL_YIELD)
194 #define BE_EQ_USER_PEND (BE_EQ_POLL | BE_EQ_POLL_YIELD)
196 spinlock_t lock; /* lock to serialize napi and busy-poll */
197 #endif /* CONFIG_NET_RX_BUSY_POLL */
198 } ____cacheline_aligned_in_smp;
200 struct be_aic_obj { /* Adaptive interrupt coalescing (AIC) info */
202 u32 min_eqd; /* in usecs */
203 u32 max_eqd; /* in usecs */
204 u32 prev_eqd; /* in usecs */
205 u32 et_eqd; /* configured val when aic is off */
207 u64 rx_pkts_prev; /* Used to calculate RX pps */
208 u64 tx_reqs_prev; /* Used to calculate TX pps */
217 struct be_queue_info q;
218 struct be_queue_info cq;
229 u32 tx_drv_drops; /* pkts dropped by driver */
230 /* the error counters are described in be_ethtool.c */
231 u32 tx_hdr_parse_err;
234 u32 tx_spoof_check_err;
236 u32 tx_internal_parity_err;
237 struct u64_stats_sync sync;
238 struct u64_stats_sync sync_compl;
241 /* Structure to hold some data of interest obtained from a TX CQE */
242 struct be_tx_compl_info {
243 u8 status; /* Completion status */
244 u16 end_index; /* Completed TXQ Index */
249 struct be_queue_info q;
250 struct be_queue_info cq;
251 struct be_tx_compl_info txcp;
252 /* Remember the skbs that were transmitted */
253 struct sk_buff *sent_skb_list[TX_Q_LEN];
254 struct be_tx_stats stats;
255 u16 pend_wrb_cnt; /* Number of WRBs yet to be given to HW */
256 u16 last_req_wrb_cnt; /* wrb cnt of the last req in the Q */
257 u16 last_req_hdr; /* index of the last req's hdr-wrb */
258 } ____cacheline_aligned_in_smp;
260 /* Struct to remember the pages posted for rx frags */
261 struct be_rx_page_info {
263 /* set to page-addr for last frag of the page & frag-addr otherwise */
264 DEFINE_DMA_UNMAP_ADDR(bus);
266 bool last_frag; /* last frag of the page */
272 u32 rx_drops_no_skbs; /* skb allocation errors */
273 u32 rx_drops_no_frags; /* HW has no fetched frags */
274 u32 rx_post_fail; /* page post alloc failures */
277 u32 rx_compl_err; /* completions with err set */
278 struct u64_stats_sync sync;
281 struct be_rx_compl_info {
302 struct be_adapter *adapter;
303 struct be_queue_info q;
304 struct be_queue_info cq;
305 struct be_rx_compl_info rxcp;
306 struct be_rx_page_info page_info_tbl[RX_Q_LEN];
307 struct be_rx_stats stats;
309 bool rx_post_starved; /* Zero rx frags have been posted to BE */
310 } ____cacheline_aligned_in_smp;
312 struct be_drv_stats {
313 u32 be_on_die_temperature;
316 u32 rx_drops_no_pbuf;
317 u32 rx_drops_no_txpb;
318 u32 rx_drops_no_erx_descr;
319 u32 rx_drops_no_tpre_descr;
320 u32 rx_drops_too_many_frags;
321 u32 forwarded_packets;
324 u32 rx_alignment_symbol_errors;
326 u32 rx_priority_pause_frames;
327 u32 rx_control_frames;
328 u32 rx_in_range_errors;
329 u32 rx_out_range_errors;
330 u32 rx_frame_too_long;
331 u32 rx_address_filtered;
332 u32 rx_dropped_too_small;
333 u32 rx_dropped_too_short;
334 u32 rx_dropped_header_too_small;
335 u32 rx_dropped_tcp_length;
337 u32 rx_ip_checksum_errs;
338 u32 rx_tcp_checksum_errs;
339 u32 rx_udp_checksum_errs;
341 u32 tx_priority_pauseframes;
342 u32 tx_controlframes;
343 u32 rxpp_fifo_overflow_drop;
344 u32 rx_input_fifo_overflow_drop;
345 u32 pmem_fifo_overflow_drop;
347 u32 rx_roce_bytes_lsd;
348 u32 rx_roce_bytes_msd;
350 u32 roce_drops_payload_len;
354 /* A vlan-id of 0xFFFF must be used to clear transparent vlan-tagging */
355 #define BE_RESET_VLAN_TAG_ID 0xFFFF
358 unsigned char mac_addr[ETH_ALEN];
371 #define BE_FLAGS_LINK_STATUS_INIT BIT(1)
372 #define BE_FLAGS_SRIOV_ENABLED BIT(2)
373 #define BE_FLAGS_WORKER_SCHEDULED BIT(3)
374 #define BE_FLAGS_NAPI_ENABLED BIT(6)
375 #define BE_FLAGS_QNQ_ASYNC_EVT_RCVD BIT(7)
376 #define BE_FLAGS_VXLAN_OFFLOADS BIT(8)
377 #define BE_FLAGS_SETUP_DONE BIT(9)
378 #define BE_FLAGS_EVT_INCOMPATIBLE_SFP BIT(10)
379 #define BE_FLAGS_ERR_DETECTION_SCHEDULED BIT(11)
381 #define BE_UC_PMAC_COUNT 30
382 #define BE_VF_UC_PMAC_COUNT 2
384 /* Ethtool set_dump flags */
385 #define LANCER_INITIATE_FW_DUMP 0x1
386 #define LANCER_DELETE_FW_DUMP 0x2
389 /* From SFF-8472 spec */
390 #define SFP_VENDOR_NAME_LEN 17
398 u16 auto_speeds_supported;
399 u16 fixed_speeds_supported;
404 u8 vendor_name[SFP_VENDOR_NAME_LEN];
405 u8 vendor_pn[SFP_VENDOR_NAME_LEN];
408 struct be_resources {
409 u16 max_vfs; /* Total VFs "really" supported by FW/HW */
414 u16 max_uc_mac; /* Max UC MACs programmable */
415 u16 max_vlans; /* Number of vlans supported */
418 u32 vf_if_cap_flags; /* VF if capability flags */
423 u8 rsstable[RSS_INDIR_TABLE_LEN];
424 u8 rss_queue[RSS_INDIR_TABLE_LEN];
425 u8 rss_hkey[RSS_HASH_KEY_LEN];
428 /* Macros to read/write the 'features' word of be_wrb_params structure.
430 #define BE_WRB_F_BIT(name) BE_WRB_F_##name##_BIT
431 #define BE_WRB_F_MASK(name) BIT_MASK(BE_WRB_F_##name##_BIT)
433 #define BE_WRB_F_GET(word, name) \
434 (((word) & (BE_WRB_F_MASK(name))) >> BE_WRB_F_BIT(name))
436 #define BE_WRB_F_SET(word, name, val) \
437 ((word) |= (((val) << BE_WRB_F_BIT(name)) & BE_WRB_F_MASK(name)))
439 /* Feature/offload bits */
441 BE_WRB_F_CRC_BIT, /* Ethernet CRC */
442 BE_WRB_F_IPCS_BIT, /* IP csum */
443 BE_WRB_F_TCPCS_BIT, /* TCP csum */
444 BE_WRB_F_UDPCS_BIT, /* UDP csum */
445 BE_WRB_F_LSO_BIT, /* LSO */
446 BE_WRB_F_LSO6_BIT, /* LSO6 */
447 BE_WRB_F_VLAN_BIT, /* VLAN */
448 BE_WRB_F_VLAN_SKIP_HW_BIT /* Skip VLAN tag (workaround) */
451 /* The structure below provides a HW-agnostic abstraction of WRB params
452 * retrieved from a TX skb. This is in turn passed to chip specific routines
453 * during transmit, to set the corresponding params in the WRB.
455 struct be_wrb_params {
456 u32 features; /* Feature bits */
457 u16 vlan_tag; /* VLAN tag */
458 u16 lso_mss; /* MSS for LSO */
462 struct pci_dev *pdev;
463 struct net_device *netdev;
465 u8 __iomem *csr; /* CSR BAR used only for BE2/3 */
466 u8 __iomem *db; /* Door Bell */
468 struct mutex mbox_lock; /* For serializing mbox cmds to BE card */
469 struct be_dma_mem mbox_mem;
470 /* Mbox mem is adjusted to align to 16 bytes. The allocated addr
471 * is stored for freeing purpose */
472 struct be_dma_mem mbox_mem_alloced;
474 struct be_mcc_obj mcc_obj;
475 spinlock_t mcc_lock; /* For serializing mcc cmds to BE card */
476 spinlock_t mcc_cq_lock;
478 u16 cfg_num_qs; /* configured via set-channels */
481 struct be_eq_obj eq_obj[MAX_EVT_QS];
482 struct msix_entry msix_entries[MAX_MSIX_VECTORS];
487 struct be_tx_obj tx_obj[MAX_TX_QS];
491 struct be_rx_obj rx_obj[MAX_RX_QS];
492 u32 big_page_size; /* Compounded page size shared by rx wrbs */
494 struct be_drv_stats drv_stats;
495 struct be_aic_obj aic_obj[MAX_EVT_QS];
496 u8 vlan_prio_bmap; /* Available Priority BitMap */
497 u16 recommended_prio; /* Recommended Priority */
498 struct be_dma_mem rx_filter; /* Cmd DMA mem for rx-filter */
500 struct be_dma_mem stats_cmd;
501 /* Work queue used to perform periodic tasks like getting statistics */
502 struct delayed_work work;
505 struct delayed_work be_err_detection_work;
508 /* Ethtool knobs and info */
509 char fw_ver[FW_VER_LEN];
510 char fw_on_flash[FW_VER_LEN];
512 /* IFACE filtering fields */
513 int if_handle; /* Used to configure filtering */
514 u32 if_flags; /* Interface filtering flags */
515 u32 *pmac_id; /* MAC addr handle used by BE card */
516 u32 uc_macs; /* Count of secondary UC MAC programmed */
517 unsigned long vids[BITS_TO_LONGS(VLAN_N_VID)];
520 u32 beacon_state; /* for set_phys_id */
531 u32 rx_fc; /* Rx flow control */
532 u32 tx_fc; /* Tx flow control */
539 u32 num_msix_roce_vec;
540 struct ocrdma_dev *ocrdma_dev;
541 struct list_head entry;
544 struct completion et_cmd_compl;
546 struct be_resources pool_res; /* resources available for the port */
547 struct be_resources res; /* resources available for the func */
548 u16 num_vfs; /* Number of VFs provisioned by PF */
550 struct be_vf_cfg *vf_cfg;
556 int vxlan_port_count;
563 int be_get_temp_freq;
565 struct rss_info rss_info;
568 #define be_physfn(adapter) (!adapter->virtfn)
569 #define be_virtfn(adapter) (adapter->virtfn)
570 #define sriov_enabled(adapter) (adapter->flags & \
571 BE_FLAGS_SRIOV_ENABLED)
573 #define for_all_vfs(adapter, vf_cfg, i) \
574 for (i = 0, vf_cfg = &adapter->vf_cfg[i]; i < adapter->num_vfs; \
580 #define be_max_vlans(adapter) (adapter->res.max_vlans)
581 #define be_max_uc(adapter) (adapter->res.max_uc_mac)
582 #define be_max_mc(adapter) (adapter->res.max_mcast_mac)
583 #define be_max_vfs(adapter) (adapter->pool_res.max_vfs)
584 #define be_max_rss(adapter) (adapter->res.max_rss_qs)
585 #define be_max_txqs(adapter) (adapter->res.max_tx_qs)
586 #define be_max_prio_txqs(adapter) (adapter->res.max_prio_tx_qs)
587 #define be_max_rxqs(adapter) (adapter->res.max_rx_qs)
588 #define be_max_eqs(adapter) (adapter->res.max_evt_qs)
589 #define be_if_cap_flags(adapter) (adapter->res.if_cap_flags)
591 static inline u16 be_max_qs(struct be_adapter *adapter)
593 /* If no RSS, need atleast the one def RXQ */
594 u16 num = max_t(u16, be_max_rss(adapter), 1);
596 num = min(num, be_max_eqs(adapter));
597 return min_t(u16, num, num_online_cpus());
600 /* Is BE in pvid_tagging mode */
601 #define be_pvid_tagging_enabled(adapter) (adapter->pvid)
603 /* Is BE in QNQ multi-channel mode */
604 #define be_is_qnq_mode(adapter) (adapter->function_mode & QNQ_MODE)
606 #define lancer_chip(adapter) (adapter->pdev->device == OC_DEVICE_ID3 || \
607 adapter->pdev->device == OC_DEVICE_ID4)
609 #define skyhawk_chip(adapter) (adapter->pdev->device == OC_DEVICE_ID5 || \
610 adapter->pdev->device == OC_DEVICE_ID6)
612 #define BE3_chip(adapter) (adapter->pdev->device == BE_DEVICE_ID2 || \
613 adapter->pdev->device == OC_DEVICE_ID2)
615 #define BE2_chip(adapter) (adapter->pdev->device == BE_DEVICE_ID1 || \
616 adapter->pdev->device == OC_DEVICE_ID1)
618 #define BEx_chip(adapter) (BE3_chip(adapter) || BE2_chip(adapter))
620 #define be_roce_supported(adapter) (skyhawk_chip(adapter) && \
621 (adapter->function_mode & RDMA_ENABLED))
623 extern const struct ethtool_ops be_ethtool_ops;
625 #define msix_enabled(adapter) (adapter->num_msix_vec > 0)
626 #define num_irqs(adapter) (msix_enabled(adapter) ? \
627 adapter->num_msix_vec : 1)
628 #define tx_stats(txo) (&(txo)->stats)
629 #define rx_stats(rxo) (&(rxo)->stats)
631 /* The default RXQ is the last RXQ */
632 #define default_rxo(adpt) (&adpt->rx_obj[adpt->num_rx_qs - 1])
634 #define for_all_rx_queues(adapter, rxo, i) \
635 for (i = 0, rxo = &adapter->rx_obj[i]; i < adapter->num_rx_qs; \
638 /* Skip the default non-rss queue (last one)*/
639 #define for_all_rss_queues(adapter, rxo, i) \
640 for (i = 0, rxo = &adapter->rx_obj[i]; i < (adapter->num_rx_qs - 1);\
643 #define for_all_tx_queues(adapter, txo, i) \
644 for (i = 0, txo = &adapter->tx_obj[i]; i < adapter->num_tx_qs; \
647 #define for_all_evt_queues(adapter, eqo, i) \
648 for (i = 0, eqo = &adapter->eq_obj[i]; i < adapter->num_evt_qs; \
651 #define for_all_rx_queues_on_eq(adapter, eqo, rxo, i) \
652 for (i = eqo->idx, rxo = &adapter->rx_obj[i]; i < adapter->num_rx_qs;\
653 i += adapter->num_evt_qs, rxo += adapter->num_evt_qs)
655 #define for_all_tx_queues_on_eq(adapter, eqo, txo, i) \
656 for (i = eqo->idx, txo = &adapter->tx_obj[i]; i < adapter->num_tx_qs;\
657 i += adapter->num_evt_qs, txo += adapter->num_evt_qs)
659 #define is_mcc_eqo(eqo) (eqo->idx == 0)
660 #define mcc_eqo(adapter) (&adapter->eq_obj[0])
662 #define PAGE_SHIFT_4K 12
663 #define PAGE_SIZE_4K (1 << PAGE_SHIFT_4K)
665 /* Returns number of pages spanned by the data starting at the given addr */
666 #define PAGES_4K_SPANNED(_address, size) \
667 ((u32)((((size_t)(_address) & (PAGE_SIZE_4K - 1)) + \
668 (size) + (PAGE_SIZE_4K - 1)) >> PAGE_SHIFT_4K))
670 /* Returns bit offset within a DWORD of a bitfield */
671 #define AMAP_BIT_OFFSET(_struct, field) \
672 (((size_t)&(((_struct *)0)->field))%32)
674 /* Returns the bit mask of the field that is NOT shifted into location. */
675 static inline u32 amap_mask(u32 bitsize)
677 return (bitsize == 32 ? 0xFFFFFFFF : (1 << bitsize) - 1);
681 amap_set(void *ptr, u32 dw_offset, u32 mask, u32 offset, u32 value)
683 u32 *dw = (u32 *) ptr + dw_offset;
684 *dw &= ~(mask << offset);
685 *dw |= (mask & value) << offset;
688 #define AMAP_SET_BITS(_struct, field, ptr, val) \
690 offsetof(_struct, field)/32, \
691 amap_mask(sizeof(((_struct *)0)->field)), \
692 AMAP_BIT_OFFSET(_struct, field), \
695 static inline u32 amap_get(void *ptr, u32 dw_offset, u32 mask, u32 offset)
697 u32 *dw = (u32 *) ptr;
698 return mask & (*(dw + dw_offset) >> offset);
701 #define AMAP_GET_BITS(_struct, field, ptr) \
703 offsetof(_struct, field)/32, \
704 amap_mask(sizeof(((_struct *)0)->field)), \
705 AMAP_BIT_OFFSET(_struct, field))
707 #define GET_RX_COMPL_V0_BITS(field, ptr) \
708 AMAP_GET_BITS(struct amap_eth_rx_compl_v0, field, ptr)
710 #define GET_RX_COMPL_V1_BITS(field, ptr) \
711 AMAP_GET_BITS(struct amap_eth_rx_compl_v1, field, ptr)
713 #define GET_TX_COMPL_BITS(field, ptr) \
714 AMAP_GET_BITS(struct amap_eth_tx_compl, field, ptr)
716 #define SET_TX_WRB_HDR_BITS(field, ptr, val) \
717 AMAP_SET_BITS(struct amap_eth_hdr_wrb, field, ptr, val)
719 #define be_dws_cpu_to_le(wrb, len) swap_dws(wrb, len)
720 #define be_dws_le_to_cpu(wrb, len) swap_dws(wrb, len)
721 static inline void swap_dws(void *wrb, int len)
727 *dw = cpu_to_le32(*dw);
731 #endif /* __BIG_ENDIAN */
734 #define be_cmd_status(status) (status > 0 ? -EIO : status)
736 static inline u8 is_tcp_pkt(struct sk_buff *skb)
740 if (ip_hdr(skb)->version == 4)
741 val = (ip_hdr(skb)->protocol == IPPROTO_TCP);
742 else if (ip_hdr(skb)->version == 6)
743 val = (ipv6_hdr(skb)->nexthdr == NEXTHDR_TCP);
748 static inline u8 is_udp_pkt(struct sk_buff *skb)
752 if (ip_hdr(skb)->version == 4)
753 val = (ip_hdr(skb)->protocol == IPPROTO_UDP);
754 else if (ip_hdr(skb)->version == 6)
755 val = (ipv6_hdr(skb)->nexthdr == NEXTHDR_UDP);
760 static inline bool is_ipv4_pkt(struct sk_buff *skb)
762 return skb->protocol == htons(ETH_P_IP) && ip_hdr(skb)->version == 4;
765 static inline bool be_multi_rxq(const struct be_adapter *adapter)
767 return adapter->num_rx_qs > 1;
770 static inline bool be_error(struct be_adapter *adapter)
772 return adapter->eeh_error || adapter->hw_error || adapter->fw_timeout;
775 static inline bool be_hw_error(struct be_adapter *adapter)
777 return adapter->eeh_error || adapter->hw_error;
780 static inline void be_clear_all_error(struct be_adapter *adapter)
782 adapter->eeh_error = false;
783 adapter->hw_error = false;
784 adapter->fw_timeout = false;
787 void be_cq_notify(struct be_adapter *adapter, u16 qid, bool arm,
789 void be_link_status_update(struct be_adapter *adapter, u8 link_status);
790 void be_parse_stats(struct be_adapter *adapter);
791 int be_load_fw(struct be_adapter *adapter, u8 *func);
792 bool be_is_wol_supported(struct be_adapter *adapter);
793 bool be_pause_supported(struct be_adapter *adapter);
794 u32 be_get_fw_log_level(struct be_adapter *adapter);
795 int be_update_queues(struct be_adapter *adapter);
796 int be_poll(struct napi_struct *napi, int budget);
799 * internal function to initialize-cleanup roce device.
801 void be_roce_dev_add(struct be_adapter *);
802 void be_roce_dev_remove(struct be_adapter *);
805 * internal function to open-close roce device during ifup-ifdown.
807 void be_roce_dev_open(struct be_adapter *);
808 void be_roce_dev_close(struct be_adapter *);
809 void be_roce_dev_shutdown(struct be_adapter *);