19aebddd1SJeff Kirsher /* 240263820SVasundhara Volam * Copyright (C) 2005 - 2014 Emulex 39aebddd1SJeff Kirsher * All rights reserved. 49aebddd1SJeff Kirsher * 59aebddd1SJeff Kirsher * This program is free software; you can redistribute it and/or 69aebddd1SJeff Kirsher * modify it under the terms of the GNU General Public License version 2 79aebddd1SJeff Kirsher * as published by the Free Software Foundation. The full GNU General 89aebddd1SJeff Kirsher * Public License is included in this distribution in the file called COPYING. 99aebddd1SJeff Kirsher * 109aebddd1SJeff Kirsher * Contact Information: 119aebddd1SJeff Kirsher * linux-drivers@emulex.com 129aebddd1SJeff Kirsher * 139aebddd1SJeff Kirsher * Emulex 149aebddd1SJeff Kirsher * 3333 Susan Street 159aebddd1SJeff Kirsher * Costa Mesa, CA 92626 169aebddd1SJeff Kirsher */ 179aebddd1SJeff Kirsher 189aebddd1SJeff Kirsher #ifndef BE_H 199aebddd1SJeff Kirsher #define BE_H 209aebddd1SJeff Kirsher 219aebddd1SJeff Kirsher #include <linux/pci.h> 229aebddd1SJeff Kirsher #include <linux/etherdevice.h> 239aebddd1SJeff Kirsher #include <linux/delay.h> 249aebddd1SJeff Kirsher #include <net/tcp.h> 259aebddd1SJeff Kirsher #include <net/ip.h> 269aebddd1SJeff Kirsher #include <net/ipv6.h> 279aebddd1SJeff Kirsher #include <linux/if_vlan.h> 289aebddd1SJeff Kirsher #include <linux/workqueue.h> 299aebddd1SJeff Kirsher #include <linux/interrupt.h> 309aebddd1SJeff Kirsher #include <linux/firmware.h> 319aebddd1SJeff Kirsher #include <linux/slab.h> 329aebddd1SJeff Kirsher #include <linux/u64_stats_sync.h> 339aebddd1SJeff Kirsher 349aebddd1SJeff Kirsher #include "be_hw.h" 35045508a8SParav Pandit #include "be_roce.h" 369aebddd1SJeff Kirsher 37c346e6e5SSathya Perla #define DRV_VER "10.4u" 389aebddd1SJeff Kirsher #define DRV_NAME "be2net" 3900d3d51eSSarveshwar Bandi #define BE_NAME "Emulex BladeEngine2" 4000d3d51eSSarveshwar Bandi #define BE3_NAME "Emulex BladeEngine3" 4100d3d51eSSarveshwar Bandi #define OC_NAME "Emulex OneConnect" 429aebddd1SJeff Kirsher #define OC_NAME_BE OC_NAME "(be3)" 439aebddd1SJeff Kirsher #define OC_NAME_LANCER OC_NAME "(Lancer)" 44ecedb6aeSAjit Khaparde #define OC_NAME_SH OC_NAME "(Skyhawk)" 45f3effb45SSuresh Reddy #define DRV_DESC "Emulex OneConnect NIC Driver" 469aebddd1SJeff Kirsher 479aebddd1SJeff Kirsher #define BE_VENDOR_ID 0x19a2 489aebddd1SJeff Kirsher #define EMULEX_VENDOR_ID 0x10df 499aebddd1SJeff Kirsher #define BE_DEVICE_ID1 0x211 509aebddd1SJeff Kirsher #define BE_DEVICE_ID2 0x221 519aebddd1SJeff Kirsher #define OC_DEVICE_ID1 0x700 /* Device Id for BE2 cards */ 529aebddd1SJeff Kirsher #define OC_DEVICE_ID2 0x710 /* Device Id for BE3 cards */ 539aebddd1SJeff Kirsher #define OC_DEVICE_ID3 0xe220 /* Device id for Lancer cards */ 549aebddd1SJeff Kirsher #define OC_DEVICE_ID4 0xe228 /* Device id for VF in Lancer */ 55ecedb6aeSAjit Khaparde #define OC_DEVICE_ID5 0x720 /* Device Id for Skyhawk cards */ 5676b73530SPadmanabh Ratnakar #define OC_DEVICE_ID6 0x728 /* Device id for VF in SkyHawk */ 574762f6ceSAjit Khaparde #define OC_SUBSYS_DEVICE_ID1 0xE602 584762f6ceSAjit Khaparde #define OC_SUBSYS_DEVICE_ID2 0xE642 594762f6ceSAjit Khaparde #define OC_SUBSYS_DEVICE_ID3 0xE612 604762f6ceSAjit Khaparde #define OC_SUBSYS_DEVICE_ID4 0xE652 619aebddd1SJeff Kirsher 629aebddd1SJeff Kirsher static inline char *nic_name(struct pci_dev *pdev) 639aebddd1SJeff Kirsher { 649aebddd1SJeff Kirsher switch (pdev->device) { 659aebddd1SJeff Kirsher case OC_DEVICE_ID1: 669aebddd1SJeff Kirsher return OC_NAME; 679aebddd1SJeff Kirsher case OC_DEVICE_ID2: 689aebddd1SJeff Kirsher return OC_NAME_BE; 699aebddd1SJeff Kirsher case OC_DEVICE_ID3: 709aebddd1SJeff Kirsher case OC_DEVICE_ID4: 719aebddd1SJeff Kirsher return OC_NAME_LANCER; 729aebddd1SJeff Kirsher case BE_DEVICE_ID2: 739aebddd1SJeff Kirsher return BE3_NAME; 74ecedb6aeSAjit Khaparde case OC_DEVICE_ID5: 7576b73530SPadmanabh Ratnakar case OC_DEVICE_ID6: 76ecedb6aeSAjit Khaparde return OC_NAME_SH; 779aebddd1SJeff Kirsher default: 789aebddd1SJeff Kirsher return BE_NAME; 799aebddd1SJeff Kirsher } 809aebddd1SJeff Kirsher } 819aebddd1SJeff Kirsher 829aebddd1SJeff Kirsher /* Number of bytes of an RX frame that are copied to skb->data */ 839aebddd1SJeff Kirsher #define BE_HDR_LEN ((u16) 64) 84bb349bb4SEric Dumazet /* allocate extra space to allow tunneling decapsulation without head reallocation */ 85bb349bb4SEric Dumazet #define BE_RX_SKB_ALLOC_SIZE (BE_HDR_LEN + 64) 86bb349bb4SEric Dumazet 879aebddd1SJeff Kirsher #define BE_MAX_JUMBO_FRAME_SIZE 9018 889aebddd1SJeff Kirsher #define BE_MIN_MTU 256 899aebddd1SJeff Kirsher 909aebddd1SJeff Kirsher #define BE_NUM_VLANS_SUPPORTED 64 912632bafdSSathya Perla #define BE_MAX_EQD 128u 929aebddd1SJeff Kirsher #define BE_MAX_TX_FRAG_COUNT 30 939aebddd1SJeff Kirsher 949aebddd1SJeff Kirsher #define EVNT_Q_LEN 1024 959aebddd1SJeff Kirsher #define TX_Q_LEN 2048 969aebddd1SJeff Kirsher #define TX_CQ_LEN 1024 979aebddd1SJeff Kirsher #define RX_Q_LEN 1024 /* Does not support any other value */ 989aebddd1SJeff Kirsher #define RX_CQ_LEN 1024 999aebddd1SJeff Kirsher #define MCC_Q_LEN 128 /* total size not to exceed 8 pages */ 1009aebddd1SJeff Kirsher #define MCC_CQ_LEN 256 1019aebddd1SJeff Kirsher 10210ef9ab4SSathya Perla #define BE2_MAX_RSS_QS 4 10368d7bdcbSSathya Perla #define BE3_MAX_RSS_QS 16 10468d7bdcbSSathya Perla #define BE3_MAX_TX_QS 16 10568d7bdcbSSathya Perla #define BE3_MAX_EVT_QS 16 106e3dc867cSSuresh Reddy #define BE3_SRIOV_MAX_EVT_QS 8 10710ef9ab4SSathya Perla 10868d7bdcbSSathya Perla #define MAX_RX_QS 32 10968d7bdcbSSathya Perla #define MAX_EVT_QS 32 11068d7bdcbSSathya Perla #define MAX_TX_QS 32 11168d7bdcbSSathya Perla 112045508a8SParav Pandit #define MAX_ROCE_EQS 5 11368d7bdcbSSathya Perla #define MAX_MSIX_VECTORS 32 11492bf14abSSathya Perla #define MIN_MSIX_VECTORS 1 11510ef9ab4SSathya Perla #define BE_TX_BUDGET 256 1169aebddd1SJeff Kirsher #define BE_NAPI_WEIGHT 64 1179aebddd1SJeff Kirsher #define MAX_RX_POST BE_NAPI_WEIGHT /* Frags posted at a time */ 1189aebddd1SJeff Kirsher #define RX_FRAGS_REFILL_WM (RX_Q_LEN - MAX_RX_POST) 1199aebddd1SJeff Kirsher 1207c5a5242SVasundhara Volam #define MAX_VFS 30 /* Max VFs supported by BE3 FW */ 1219aebddd1SJeff Kirsher #define FW_VER_LEN 32 1229aebddd1SJeff Kirsher 123e2557877SVenkata Duvvuru #define RSS_INDIR_TABLE_LEN 128 124e2557877SVenkata Duvvuru #define RSS_HASH_KEY_LEN 40 125e2557877SVenkata Duvvuru 1269aebddd1SJeff Kirsher struct be_dma_mem { 1279aebddd1SJeff Kirsher void *va; 1289aebddd1SJeff Kirsher dma_addr_t dma; 1299aebddd1SJeff Kirsher u32 size; 1309aebddd1SJeff Kirsher }; 1319aebddd1SJeff Kirsher 1329aebddd1SJeff Kirsher struct be_queue_info { 1339aebddd1SJeff Kirsher struct be_dma_mem dma_mem; 1349aebddd1SJeff Kirsher u16 len; 1359aebddd1SJeff Kirsher u16 entry_size; /* Size of an element in the queue */ 1369aebddd1SJeff Kirsher u16 id; 1379aebddd1SJeff Kirsher u16 tail, head; 1389aebddd1SJeff Kirsher bool created; 1399aebddd1SJeff Kirsher atomic_t used; /* Number of valid elements in the queue */ 1409aebddd1SJeff Kirsher }; 1419aebddd1SJeff Kirsher 1429aebddd1SJeff Kirsher static inline u32 MODULO(u16 val, u16 limit) 1439aebddd1SJeff Kirsher { 1449aebddd1SJeff Kirsher BUG_ON(limit & (limit - 1)); 1459aebddd1SJeff Kirsher return val & (limit - 1); 1469aebddd1SJeff Kirsher } 1479aebddd1SJeff Kirsher 1489aebddd1SJeff Kirsher static inline void index_adv(u16 *index, u16 val, u16 limit) 1499aebddd1SJeff Kirsher { 1509aebddd1SJeff Kirsher *index = MODULO((*index + val), limit); 1519aebddd1SJeff Kirsher } 1529aebddd1SJeff Kirsher 1539aebddd1SJeff Kirsher static inline void index_inc(u16 *index, u16 limit) 1549aebddd1SJeff Kirsher { 1559aebddd1SJeff Kirsher *index = MODULO((*index + 1), limit); 1569aebddd1SJeff Kirsher } 1579aebddd1SJeff Kirsher 1589aebddd1SJeff Kirsher static inline void *queue_head_node(struct be_queue_info *q) 1599aebddd1SJeff Kirsher { 1609aebddd1SJeff Kirsher return q->dma_mem.va + q->head * q->entry_size; 1619aebddd1SJeff Kirsher } 1629aebddd1SJeff Kirsher 1639aebddd1SJeff Kirsher static inline void *queue_tail_node(struct be_queue_info *q) 1649aebddd1SJeff Kirsher { 1659aebddd1SJeff Kirsher return q->dma_mem.va + q->tail * q->entry_size; 1669aebddd1SJeff Kirsher } 1679aebddd1SJeff Kirsher 1683de09455SSomnath Kotur static inline void *queue_index_node(struct be_queue_info *q, u16 index) 1693de09455SSomnath Kotur { 1703de09455SSomnath Kotur return q->dma_mem.va + index * q->entry_size; 1713de09455SSomnath Kotur } 1723de09455SSomnath Kotur 1739aebddd1SJeff Kirsher static inline void queue_head_inc(struct be_queue_info *q) 1749aebddd1SJeff Kirsher { 1759aebddd1SJeff Kirsher index_inc(&q->head, q->len); 1769aebddd1SJeff Kirsher } 1779aebddd1SJeff Kirsher 178652bf646SPadmanabh Ratnakar static inline void index_dec(u16 *index, u16 limit) 179652bf646SPadmanabh Ratnakar { 180652bf646SPadmanabh Ratnakar *index = MODULO((*index - 1), limit); 181652bf646SPadmanabh Ratnakar } 182652bf646SPadmanabh Ratnakar 1839aebddd1SJeff Kirsher static inline void queue_tail_inc(struct be_queue_info *q) 1849aebddd1SJeff Kirsher { 1859aebddd1SJeff Kirsher index_inc(&q->tail, q->len); 1869aebddd1SJeff Kirsher } 1879aebddd1SJeff Kirsher 1889aebddd1SJeff Kirsher struct be_eq_obj { 1899aebddd1SJeff Kirsher struct be_queue_info q; 1909aebddd1SJeff Kirsher char desc[32]; 1919aebddd1SJeff Kirsher 1929aebddd1SJeff Kirsher /* Adaptive interrupt coalescing (AIC) info */ 1939aebddd1SJeff Kirsher bool enable_aic; 19410ef9ab4SSathya Perla u32 min_eqd; /* in usecs */ 19510ef9ab4SSathya Perla u32 max_eqd; /* in usecs */ 19610ef9ab4SSathya Perla u32 eqd; /* configured val when aic is off */ 19710ef9ab4SSathya Perla u32 cur_eqd; /* in usecs */ 1989aebddd1SJeff Kirsher 19910ef9ab4SSathya Perla u8 idx; /* array index */ 200f2f781a7SSathya Perla u8 msix_idx; 20110ef9ab4SSathya Perla u16 tx_budget; 202d0b9cec3SSathya Perla u16 spurious_intr; 2039aebddd1SJeff Kirsher struct napi_struct napi; 20410ef9ab4SSathya Perla struct be_adapter *adapter; 2056384a4d0SSathya Perla 2066384a4d0SSathya Perla #ifdef CONFIG_NET_RX_BUSY_POLL 2076384a4d0SSathya Perla #define BE_EQ_IDLE 0 2086384a4d0SSathya Perla #define BE_EQ_NAPI 1 /* napi owns this EQ */ 2096384a4d0SSathya Perla #define BE_EQ_POLL 2 /* poll owns this EQ */ 2106384a4d0SSathya Perla #define BE_EQ_LOCKED (BE_EQ_NAPI | BE_EQ_POLL) 2116384a4d0SSathya Perla #define BE_EQ_NAPI_YIELD 4 /* napi yielded this EQ */ 2126384a4d0SSathya Perla #define BE_EQ_POLL_YIELD 8 /* poll yielded this EQ */ 2136384a4d0SSathya Perla #define BE_EQ_YIELD (BE_EQ_NAPI_YIELD | BE_EQ_POLL_YIELD) 2146384a4d0SSathya Perla #define BE_EQ_USER_PEND (BE_EQ_POLL | BE_EQ_POLL_YIELD) 2156384a4d0SSathya Perla unsigned int state; 2166384a4d0SSathya Perla spinlock_t lock; /* lock to serialize napi and busy-poll */ 2176384a4d0SSathya Perla #endif /* CONFIG_NET_RX_BUSY_POLL */ 21810ef9ab4SSathya Perla } ____cacheline_aligned_in_smp; 2199aebddd1SJeff Kirsher 2202632bafdSSathya Perla struct be_aic_obj { /* Adaptive interrupt coalescing (AIC) info */ 2212632bafdSSathya Perla bool enable; 2222632bafdSSathya Perla u32 min_eqd; /* in usecs */ 2232632bafdSSathya Perla u32 max_eqd; /* in usecs */ 2242632bafdSSathya Perla u32 prev_eqd; /* in usecs */ 2252632bafdSSathya Perla u32 et_eqd; /* configured val when aic is off */ 2262632bafdSSathya Perla ulong jiffies; 2272632bafdSSathya Perla u64 rx_pkts_prev; /* Used to calculate RX pps */ 2282632bafdSSathya Perla u64 tx_reqs_prev; /* Used to calculate TX pps */ 2292632bafdSSathya Perla }; 2302632bafdSSathya Perla 2316384a4d0SSathya Perla enum { 2326384a4d0SSathya Perla NAPI_POLLING, 2336384a4d0SSathya Perla BUSY_POLLING 2346384a4d0SSathya Perla }; 2356384a4d0SSathya Perla 2369aebddd1SJeff Kirsher struct be_mcc_obj { 2379aebddd1SJeff Kirsher struct be_queue_info q; 2389aebddd1SJeff Kirsher struct be_queue_info cq; 2399aebddd1SJeff Kirsher bool rearm_cq; 2409aebddd1SJeff Kirsher }; 2419aebddd1SJeff Kirsher 2429aebddd1SJeff Kirsher struct be_tx_stats { 2439aebddd1SJeff Kirsher u64 tx_bytes; 2449aebddd1SJeff Kirsher u64 tx_pkts; 2459aebddd1SJeff Kirsher u64 tx_reqs; 2469aebddd1SJeff Kirsher u64 tx_wrbs; 2479aebddd1SJeff Kirsher u64 tx_compl; 2489aebddd1SJeff Kirsher ulong tx_jiffies; 2499aebddd1SJeff Kirsher u32 tx_stops; 250bc617526SSathya Perla u32 tx_drv_drops; /* pkts dropped by driver */ 2519aebddd1SJeff Kirsher struct u64_stats_sync sync; 2529aebddd1SJeff Kirsher struct u64_stats_sync sync_compl; 2539aebddd1SJeff Kirsher }; 2549aebddd1SJeff Kirsher 2559aebddd1SJeff Kirsher struct be_tx_obj { 25694d73aaaSVasundhara Volam u32 db_offset; 2579aebddd1SJeff Kirsher struct be_queue_info q; 2589aebddd1SJeff Kirsher struct be_queue_info cq; 2599aebddd1SJeff Kirsher /* Remember the skbs that were transmitted */ 2609aebddd1SJeff Kirsher struct sk_buff *sent_skb_list[TX_Q_LEN]; 2619aebddd1SJeff Kirsher struct be_tx_stats stats; 26210ef9ab4SSathya Perla } ____cacheline_aligned_in_smp; 2639aebddd1SJeff Kirsher 2649aebddd1SJeff Kirsher /* Struct to remember the pages posted for rx frags */ 2659aebddd1SJeff Kirsher struct be_rx_page_info { 2669aebddd1SJeff Kirsher struct page *page; 267e50287beSSathya Perla /* set to page-addr for last frag of the page & frag-addr otherwise */ 2689aebddd1SJeff Kirsher DEFINE_DMA_UNMAP_ADDR(bus); 2699aebddd1SJeff Kirsher u16 page_offset; 270e50287beSSathya Perla bool last_frag; /* last frag of the page */ 2719aebddd1SJeff Kirsher }; 2729aebddd1SJeff Kirsher 2739aebddd1SJeff Kirsher struct be_rx_stats { 2749aebddd1SJeff Kirsher u64 rx_bytes; 2759aebddd1SJeff Kirsher u64 rx_pkts; 2769aebddd1SJeff Kirsher u32 rx_drops_no_skbs; /* skb allocation errors */ 2779aebddd1SJeff Kirsher u32 rx_drops_no_frags; /* HW has no fetched frags */ 2789aebddd1SJeff Kirsher u32 rx_post_fail; /* page post alloc failures */ 2799aebddd1SJeff Kirsher u32 rx_compl; 2809aebddd1SJeff Kirsher u32 rx_mcast_pkts; 2819aebddd1SJeff Kirsher u32 rx_compl_err; /* completions with err set */ 2829aebddd1SJeff Kirsher struct u64_stats_sync sync; 2839aebddd1SJeff Kirsher }; 2849aebddd1SJeff Kirsher 2859aebddd1SJeff Kirsher struct be_rx_compl_info { 2869aebddd1SJeff Kirsher u32 rss_hash; 2879aebddd1SJeff Kirsher u16 vlan_tag; 2889aebddd1SJeff Kirsher u16 pkt_size; 2899aebddd1SJeff Kirsher u16 port; 2909aebddd1SJeff Kirsher u8 vlanf; 2919aebddd1SJeff Kirsher u8 num_rcvd; 2929aebddd1SJeff Kirsher u8 err; 2939aebddd1SJeff Kirsher u8 ipf; 2949aebddd1SJeff Kirsher u8 tcpf; 2959aebddd1SJeff Kirsher u8 udpf; 2969aebddd1SJeff Kirsher u8 ip_csum; 2979aebddd1SJeff Kirsher u8 l4_csum; 2989aebddd1SJeff Kirsher u8 ipv6; 299f93f160bSVasundhara Volam u8 qnq; 3009aebddd1SJeff Kirsher u8 pkt_type; 301e38b1706SSomnath Kotur u8 ip_frag; 302c9c47142SSathya Perla u8 tunneled; 3039aebddd1SJeff Kirsher }; 3049aebddd1SJeff Kirsher 3059aebddd1SJeff Kirsher struct be_rx_obj { 3069aebddd1SJeff Kirsher struct be_adapter *adapter; 3079aebddd1SJeff Kirsher struct be_queue_info q; 3089aebddd1SJeff Kirsher struct be_queue_info cq; 3099aebddd1SJeff Kirsher struct be_rx_compl_info rxcp; 3109aebddd1SJeff Kirsher struct be_rx_page_info page_info_tbl[RX_Q_LEN]; 3119aebddd1SJeff Kirsher struct be_rx_stats stats; 3129aebddd1SJeff Kirsher u8 rss_id; 3139aebddd1SJeff Kirsher bool rx_post_starved; /* Zero rx frags have been posted to BE */ 31410ef9ab4SSathya Perla } ____cacheline_aligned_in_smp; 3159aebddd1SJeff Kirsher 3169aebddd1SJeff Kirsher struct be_drv_stats { 3179ae081c6SSomnath Kotur u32 be_on_die_temperature; 3189aebddd1SJeff Kirsher u32 eth_red_drops; 3199aebddd1SJeff Kirsher u32 rx_drops_no_pbuf; 3209aebddd1SJeff Kirsher u32 rx_drops_no_txpb; 3219aebddd1SJeff Kirsher u32 rx_drops_no_erx_descr; 3229aebddd1SJeff Kirsher u32 rx_drops_no_tpre_descr; 3239aebddd1SJeff Kirsher u32 rx_drops_too_many_frags; 3249aebddd1SJeff Kirsher u32 forwarded_packets; 3259aebddd1SJeff Kirsher u32 rx_drops_mtu; 3269aebddd1SJeff Kirsher u32 rx_crc_errors; 3279aebddd1SJeff Kirsher u32 rx_alignment_symbol_errors; 3289aebddd1SJeff Kirsher u32 rx_pause_frames; 3299aebddd1SJeff Kirsher u32 rx_priority_pause_frames; 3309aebddd1SJeff Kirsher u32 rx_control_frames; 3319aebddd1SJeff Kirsher u32 rx_in_range_errors; 3329aebddd1SJeff Kirsher u32 rx_out_range_errors; 3339aebddd1SJeff Kirsher u32 rx_frame_too_long; 33418fb06a1SSuresh Reddy u32 rx_address_filtered; 3359aebddd1SJeff Kirsher u32 rx_dropped_too_small; 3369aebddd1SJeff Kirsher u32 rx_dropped_too_short; 3379aebddd1SJeff Kirsher u32 rx_dropped_header_too_small; 3389aebddd1SJeff Kirsher u32 rx_dropped_tcp_length; 3399aebddd1SJeff Kirsher u32 rx_dropped_runt; 3409aebddd1SJeff Kirsher u32 rx_ip_checksum_errs; 3419aebddd1SJeff Kirsher u32 rx_tcp_checksum_errs; 3429aebddd1SJeff Kirsher u32 rx_udp_checksum_errs; 3439aebddd1SJeff Kirsher u32 tx_pauseframes; 3449aebddd1SJeff Kirsher u32 tx_priority_pauseframes; 3459aebddd1SJeff Kirsher u32 tx_controlframes; 3469aebddd1SJeff Kirsher u32 rxpp_fifo_overflow_drop; 3479aebddd1SJeff Kirsher u32 rx_input_fifo_overflow_drop; 3489aebddd1SJeff Kirsher u32 pmem_fifo_overflow_drop; 3499aebddd1SJeff Kirsher u32 jabber_events; 350461ae379SAjit Khaparde u32 rx_roce_bytes_lsd; 351461ae379SAjit Khaparde u32 rx_roce_bytes_msd; 352461ae379SAjit Khaparde u32 rx_roce_frames; 353461ae379SAjit Khaparde u32 roce_drops_payload_len; 354461ae379SAjit Khaparde u32 roce_drops_crc; 3559aebddd1SJeff Kirsher }; 3569aebddd1SJeff Kirsher 357c502224eSSomnath Kotur /* A vlan-id of 0xFFFF must be used to clear transparent vlan-tagging */ 358c502224eSSomnath Kotur #define BE_RESET_VLAN_TAG_ID 0xFFFF 359c502224eSSomnath Kotur 3609aebddd1SJeff Kirsher struct be_vf_cfg { 36111ac75edSSathya Perla unsigned char mac_addr[ETH_ALEN]; 36211ac75edSSathya Perla int if_handle; 36311ac75edSSathya Perla int pmac_id; 36411ac75edSSathya Perla u16 vlan_tag; 36511ac75edSSathya Perla u32 tx_rate; 366bdce2ad7SSuresh Reddy u32 plink_tracking; 3679aebddd1SJeff Kirsher }; 3689aebddd1SJeff Kirsher 36939f1d94dSSathya Perla enum vf_state { 37039f1d94dSSathya Perla ENABLED = 0, 37139f1d94dSSathya Perla ASSIGNED = 1 37239f1d94dSSathya Perla }; 37339f1d94dSSathya Perla 374b236916aSAjit Khaparde #define BE_FLAGS_LINK_STATUS_INIT 1 375f174c7ecSVasundhara Volam #define BE_FLAGS_SRIOV_ENABLED (1 << 2) 376191eb756SSathya Perla #define BE_FLAGS_WORKER_SCHEDULED (1 << 3) 377d9d604f8SAjit Khaparde #define BE_FLAGS_VLAN_PROMISC (1 << 4) 378a0794885SKalesh AP #define BE_FLAGS_MCAST_PROMISC (1 << 5) 37904d3d624SSomnath Kotur #define BE_FLAGS_NAPI_ENABLED (1 << 9) 380c9c47142SSathya Perla #define BE_FLAGS_QNQ_ASYNC_EVT_RCVD (1 << 11) 381c9c47142SSathya Perla #define BE_FLAGS_VXLAN_OFFLOADS (1 << 12) 382e1ad8e33SKalesh AP #define BE_FLAGS_SETUP_DONE (1 << 13) 383c9c47142SSathya Perla 384fbc13f01SAjit Khaparde #define BE_UC_PMAC_COUNT 30 385fbc13f01SAjit Khaparde #define BE_VF_UC_PMAC_COUNT 2 3865c510811SSomnath Kotur /* Ethtool set_dump flags */ 3875c510811SSomnath Kotur #define LANCER_INITIATE_FW_DUMP 0x1 3885c510811SSomnath Kotur 38942f11cf2SAjit Khaparde struct phy_info { 39042f11cf2SAjit Khaparde u8 transceiver; 39142f11cf2SAjit Khaparde u8 autoneg; 39242f11cf2SAjit Khaparde u8 fc_autoneg; 39342f11cf2SAjit Khaparde u8 port_type; 39442f11cf2SAjit Khaparde u16 phy_type; 39542f11cf2SAjit Khaparde u16 interface_type; 39642f11cf2SAjit Khaparde u32 misc_params; 39742f11cf2SAjit Khaparde u16 auto_speeds_supported; 39842f11cf2SAjit Khaparde u16 fixed_speeds_supported; 39942f11cf2SAjit Khaparde int link_speed; 40042f11cf2SAjit Khaparde u32 dac_cable_len; 40142f11cf2SAjit Khaparde u32 advertising; 40242f11cf2SAjit Khaparde u32 supported; 40342f11cf2SAjit Khaparde }; 40442f11cf2SAjit Khaparde 40592bf14abSSathya Perla struct be_resources { 40692bf14abSSathya Perla u16 max_vfs; /* Total VFs "really" supported by FW/HW */ 40792bf14abSSathya Perla u16 max_mcast_mac; 40892bf14abSSathya Perla u16 max_tx_qs; 40992bf14abSSathya Perla u16 max_rss_qs; 41092bf14abSSathya Perla u16 max_rx_qs; 41192bf14abSSathya Perla u16 max_uc_mac; /* Max UC MACs programmable */ 41292bf14abSSathya Perla u16 max_vlans; /* Number of vlans supported */ 41392bf14abSSathya Perla u16 max_evt_qs; 41492bf14abSSathya Perla u32 if_cap_flags; 41510cccf60SVasundhara Volam u32 vf_if_cap_flags; /* VF if capability flags */ 41692bf14abSSathya Perla }; 41792bf14abSSathya Perla 418e2557877SVenkata Duvvuru struct rss_info { 419e2557877SVenkata Duvvuru u64 rss_flags; 420e2557877SVenkata Duvvuru u8 rsstable[RSS_INDIR_TABLE_LEN]; 421e2557877SVenkata Duvvuru u8 rss_queue[RSS_INDIR_TABLE_LEN]; 422e2557877SVenkata Duvvuru u8 rss_hkey[RSS_HASH_KEY_LEN]; 423e2557877SVenkata Duvvuru }; 424e2557877SVenkata Duvvuru 4259aebddd1SJeff Kirsher struct be_adapter { 4269aebddd1SJeff Kirsher struct pci_dev *pdev; 4279aebddd1SJeff Kirsher struct net_device *netdev; 4289aebddd1SJeff Kirsher 429c5b3ad4cSSathya Perla u8 __iomem *csr; /* CSR BAR used only for BE2/3 */ 4309aebddd1SJeff Kirsher u8 __iomem *db; /* Door Bell */ 4319aebddd1SJeff Kirsher 4329aebddd1SJeff Kirsher struct mutex mbox_lock; /* For serializing mbox cmds to BE card */ 4339aebddd1SJeff Kirsher struct be_dma_mem mbox_mem; 4349aebddd1SJeff Kirsher /* Mbox mem is adjusted to align to 16 bytes. The allocated addr 4359aebddd1SJeff Kirsher * is stored for freeing purpose */ 4369aebddd1SJeff Kirsher struct be_dma_mem mbox_mem_alloced; 4379aebddd1SJeff Kirsher 4389aebddd1SJeff Kirsher struct be_mcc_obj mcc_obj; 4399aebddd1SJeff Kirsher spinlock_t mcc_lock; /* For serializing mcc cmds to BE card */ 4409aebddd1SJeff Kirsher spinlock_t mcc_cq_lock; 4419aebddd1SJeff Kirsher 44292bf14abSSathya Perla u16 cfg_num_qs; /* configured via set-channels */ 44392bf14abSSathya Perla u16 num_evt_qs; 44492bf14abSSathya Perla u16 num_msix_vec; 44592bf14abSSathya Perla struct be_eq_obj eq_obj[MAX_EVT_QS]; 44610ef9ab4SSathya Perla struct msix_entry msix_entries[MAX_MSIX_VECTORS]; 4479aebddd1SJeff Kirsher bool isr_registered; 4489aebddd1SJeff Kirsher 4499aebddd1SJeff Kirsher /* TX Rings */ 45092bf14abSSathya Perla u16 num_tx_qs; 4519aebddd1SJeff Kirsher struct be_tx_obj tx_obj[MAX_TX_QS]; 4529aebddd1SJeff Kirsher 4539aebddd1SJeff Kirsher /* Rx rings */ 45492bf14abSSathya Perla u16 num_rx_qs; 45510ef9ab4SSathya Perla struct be_rx_obj rx_obj[MAX_RX_QS]; 4569aebddd1SJeff Kirsher u32 big_page_size; /* Compounded page size shared by rx wrbs */ 4579aebddd1SJeff Kirsher 4589aebddd1SJeff Kirsher struct be_drv_stats drv_stats; 4592632bafdSSathya Perla struct be_aic_obj aic_obj[MAX_EVT_QS]; 4609aebddd1SJeff Kirsher u16 vlans_added; 461f6cbd364SRavikumar Nelavelli unsigned long vids[BITS_TO_LONGS(VLAN_N_VID)]; 4629aebddd1SJeff Kirsher u8 vlan_prio_bmap; /* Available Priority BitMap */ 4639aebddd1SJeff Kirsher u16 recommended_prio; /* Recommended Priority */ 4649aebddd1SJeff Kirsher struct be_dma_mem rx_filter; /* Cmd DMA mem for rx-filter */ 4659aebddd1SJeff Kirsher 4669aebddd1SJeff Kirsher struct be_dma_mem stats_cmd; 4679aebddd1SJeff Kirsher /* Work queue used to perform periodic tasks like getting statistics */ 4689aebddd1SJeff Kirsher struct delayed_work work; 4699aebddd1SJeff Kirsher u16 work_counter; 4709aebddd1SJeff Kirsher 471f67ef7baSPadmanabh Ratnakar struct delayed_work func_recovery_work; 472b236916aSAjit Khaparde u32 flags; 473f25b119cSPadmanabh Ratnakar u32 cmd_privileges; 4749aebddd1SJeff Kirsher /* Ethtool knobs and info */ 4759aebddd1SJeff Kirsher char fw_ver[FW_VER_LEN]; 476eeb65cedSSomnath Kotur char fw_on_flash[FW_VER_LEN]; 47730128031SSathya Perla int if_handle; /* Used to configure filtering */ 478fbc13f01SAjit Khaparde u32 *pmac_id; /* MAC addr handle used by BE card */ 4799aebddd1SJeff Kirsher u32 beacon_state; /* for set_phys_id */ 4809aebddd1SJeff Kirsher 481f67ef7baSPadmanabh Ratnakar bool eeh_error; 4826589ade0SSathya Perla bool fw_timeout; 483f67ef7baSPadmanabh Ratnakar bool hw_error; 484f67ef7baSPadmanabh Ratnakar 4859aebddd1SJeff Kirsher u32 port_num; 4869aebddd1SJeff Kirsher bool promiscuous; 487f93f160bSVasundhara Volam u8 mc_type; 4889aebddd1SJeff Kirsher u32 function_mode; 4899aebddd1SJeff Kirsher u32 function_caps; 4909aebddd1SJeff Kirsher u32 rx_fc; /* Rx flow control */ 4919aebddd1SJeff Kirsher u32 tx_fc; /* Tx flow control */ 4929aebddd1SJeff Kirsher bool stats_cmd_sent; 493045508a8SParav Pandit struct { 494045508a8SParav Pandit u32 size; 495045508a8SParav Pandit u32 total_size; 496045508a8SParav Pandit u64 io_addr; 497045508a8SParav Pandit } roce_db; 498045508a8SParav Pandit u32 num_msix_roce_vec; 499045508a8SParav Pandit struct ocrdma_dev *ocrdma_dev; 500045508a8SParav Pandit struct list_head entry; 501045508a8SParav Pandit 5029aebddd1SJeff Kirsher u32 flash_status; 5035eeff635SSuresh Reddy struct completion et_cmd_compl; 5049aebddd1SJeff Kirsher 505bec84e6bSVasundhara Volam struct be_resources pool_res; /* resources available for the port */ 50692bf14abSSathya Perla struct be_resources res; /* resources available for the func */ 50792bf14abSSathya Perla u16 num_vfs; /* Number of VFs provisioned by PF */ 50839f1d94dSSathya Perla u8 virtfn; 50911ac75edSSathya Perla struct be_vf_cfg *vf_cfg; 51011ac75edSSathya Perla bool be3_native; 5119aebddd1SJeff Kirsher u32 sli_family; 5129aebddd1SJeff Kirsher u8 hba_port_num; 5139aebddd1SJeff Kirsher u16 pvid; 514c9c47142SSathya Perla __be16 vxlan_port; 51542f11cf2SAjit Khaparde struct phy_info phy; 5164762f6ceSAjit Khaparde u8 wol_cap; 51776a9e08eSSuresh Reddy bool wol_en; 518fbc13f01SAjit Khaparde u32 uc_macs; /* Count of secondary UC MAC programmed */ 5190ad3157eSVasundhara Volam u16 asic_rev; 520bc0c3405SAjit Khaparde u16 qnq_vid; 521941a77d5SSomnath Kotur u32 msg_enable; 5227aeb2156SPadmanabh Ratnakar int be_get_temp_freq; 523d5c18473SPadmanabh Ratnakar u8 pf_number; 524e2557877SVenkata Duvvuru struct rss_info rss_info; 5259aebddd1SJeff Kirsher }; 5269aebddd1SJeff Kirsher 52739f1d94dSSathya Perla #define be_physfn(adapter) (!adapter->virtfn) 5282c7a9dc1SAjit Khaparde #define be_virtfn(adapter) (adapter->virtfn) 529f174c7ecSVasundhara Volam #define sriov_enabled(adapter) (adapter->flags & \ 530f174c7ecSVasundhara Volam BE_FLAGS_SRIOV_ENABLED) 531bec84e6bSVasundhara Volam 53211ac75edSSathya Perla #define for_all_vfs(adapter, vf_cfg, i) \ 53311ac75edSSathya Perla for (i = 0, vf_cfg = &adapter->vf_cfg[i]; i < adapter->num_vfs; \ 53411ac75edSSathya Perla i++, vf_cfg++) 5359aebddd1SJeff Kirsher 5369aebddd1SJeff Kirsher #define ON 1 5379aebddd1SJeff Kirsher #define OFF 0 538ca34fe38SSathya Perla 53992bf14abSSathya Perla #define be_max_vlans(adapter) (adapter->res.max_vlans) 54092bf14abSSathya Perla #define be_max_uc(adapter) (adapter->res.max_uc_mac) 54192bf14abSSathya Perla #define be_max_mc(adapter) (adapter->res.max_mcast_mac) 542bec84e6bSVasundhara Volam #define be_max_vfs(adapter) (adapter->pool_res.max_vfs) 54392bf14abSSathya Perla #define be_max_rss(adapter) (adapter->res.max_rss_qs) 54492bf14abSSathya Perla #define be_max_txqs(adapter) (adapter->res.max_tx_qs) 54592bf14abSSathya Perla #define be_max_prio_txqs(adapter) (adapter->res.max_prio_tx_qs) 54692bf14abSSathya Perla #define be_max_rxqs(adapter) (adapter->res.max_rx_qs) 54792bf14abSSathya Perla #define be_max_eqs(adapter) (adapter->res.max_evt_qs) 54892bf14abSSathya Perla #define be_if_cap_flags(adapter) (adapter->res.if_cap_flags) 54992bf14abSSathya Perla 55092bf14abSSathya Perla static inline u16 be_max_qs(struct be_adapter *adapter) 55192bf14abSSathya Perla { 55292bf14abSSathya Perla /* If no RSS, need atleast the one def RXQ */ 55392bf14abSSathya Perla u16 num = max_t(u16, be_max_rss(adapter), 1); 55492bf14abSSathya Perla 55592bf14abSSathya Perla num = min(num, be_max_eqs(adapter)); 55692bf14abSSathya Perla return min_t(u16, num, num_online_cpus()); 55792bf14abSSathya Perla } 55892bf14abSSathya Perla 559f93f160bSVasundhara Volam /* Is BE in pvid_tagging mode */ 560f93f160bSVasundhara Volam #define be_pvid_tagging_enabled(adapter) (adapter->pvid) 561f93f160bSVasundhara Volam 562f93f160bSVasundhara Volam /* Is BE in QNQ multi-channel mode */ 56366064dbcSSuresh Reddy #define be_is_qnq_mode(adapter) (adapter->function_mode & QNQ_MODE) 564f93f160bSVasundhara Volam 565ca34fe38SSathya Perla #define lancer_chip(adapter) (adapter->pdev->device == OC_DEVICE_ID3 || \ 566ca34fe38SSathya Perla adapter->pdev->device == OC_DEVICE_ID4) 5679aebddd1SJeff Kirsher 56876b73530SPadmanabh Ratnakar #define skyhawk_chip(adapter) (adapter->pdev->device == OC_DEVICE_ID5 || \ 56976b73530SPadmanabh Ratnakar adapter->pdev->device == OC_DEVICE_ID6) 570d3bd3a5eSPadmanabh Ratnakar 571ca34fe38SSathya Perla #define BE3_chip(adapter) (adapter->pdev->device == BE_DEVICE_ID2 || \ 572ca34fe38SSathya Perla adapter->pdev->device == OC_DEVICE_ID2) 573ca34fe38SSathya Perla 574ca34fe38SSathya Perla #define BE2_chip(adapter) (adapter->pdev->device == BE_DEVICE_ID1 || \ 575ca34fe38SSathya Perla adapter->pdev->device == OC_DEVICE_ID1) 576ca34fe38SSathya Perla 577ca34fe38SSathya Perla #define BEx_chip(adapter) (BE3_chip(adapter) || BE2_chip(adapter)) 578d3bd3a5eSPadmanabh Ratnakar 579dbf0f2a7SSathya Perla #define be_roce_supported(adapter) (skyhawk_chip(adapter) && \ 580045508a8SParav Pandit (adapter->function_mode & RDMA_ENABLED)) 581045508a8SParav Pandit 5829aebddd1SJeff Kirsher extern const struct ethtool_ops be_ethtool_ops; 5839aebddd1SJeff Kirsher 5849aebddd1SJeff Kirsher #define msix_enabled(adapter) (adapter->num_msix_vec > 0) 58510ef9ab4SSathya Perla #define num_irqs(adapter) (msix_enabled(adapter) ? \ 58610ef9ab4SSathya Perla adapter->num_msix_vec : 1) 58710ef9ab4SSathya Perla #define tx_stats(txo) (&(txo)->stats) 58810ef9ab4SSathya Perla #define rx_stats(rxo) (&(rxo)->stats) 5899aebddd1SJeff Kirsher 59010ef9ab4SSathya Perla /* The default RXQ is the last RXQ */ 59110ef9ab4SSathya Perla #define default_rxo(adpt) (&adpt->rx_obj[adpt->num_rx_qs - 1]) 5929aebddd1SJeff Kirsher 5939aebddd1SJeff Kirsher #define for_all_rx_queues(adapter, rxo, i) \ 5949aebddd1SJeff Kirsher for (i = 0, rxo = &adapter->rx_obj[i]; i < adapter->num_rx_qs; \ 5959aebddd1SJeff Kirsher i++, rxo++) 5969aebddd1SJeff Kirsher 59710ef9ab4SSathya Perla /* Skip the default non-rss queue (last one)*/ 5989aebddd1SJeff Kirsher #define for_all_rss_queues(adapter, rxo, i) \ 59910ef9ab4SSathya Perla for (i = 0, rxo = &adapter->rx_obj[i]; i < (adapter->num_rx_qs - 1);\ 6009aebddd1SJeff Kirsher i++, rxo++) 6019aebddd1SJeff Kirsher 6029aebddd1SJeff Kirsher #define for_all_tx_queues(adapter, txo, i) \ 6039aebddd1SJeff Kirsher for (i = 0, txo = &adapter->tx_obj[i]; i < adapter->num_tx_qs; \ 6049aebddd1SJeff Kirsher i++, txo++) 6059aebddd1SJeff Kirsher 60610ef9ab4SSathya Perla #define for_all_evt_queues(adapter, eqo, i) \ 60710ef9ab4SSathya Perla for (i = 0, eqo = &adapter->eq_obj[i]; i < adapter->num_evt_qs; \ 60810ef9ab4SSathya Perla i++, eqo++) 60910ef9ab4SSathya Perla 6106384a4d0SSathya Perla #define for_all_rx_queues_on_eq(adapter, eqo, rxo, i) \ 6116384a4d0SSathya Perla for (i = eqo->idx, rxo = &adapter->rx_obj[i]; i < adapter->num_rx_qs;\ 6126384a4d0SSathya Perla i += adapter->num_evt_qs, rxo += adapter->num_evt_qs) 6136384a4d0SSathya Perla 61410ef9ab4SSathya Perla #define is_mcc_eqo(eqo) (eqo->idx == 0) 61510ef9ab4SSathya Perla #define mcc_eqo(adapter) (&adapter->eq_obj[0]) 61610ef9ab4SSathya Perla 6179aebddd1SJeff Kirsher #define PAGE_SHIFT_4K 12 6189aebddd1SJeff Kirsher #define PAGE_SIZE_4K (1 << PAGE_SHIFT_4K) 6199aebddd1SJeff Kirsher 6209aebddd1SJeff Kirsher /* Returns number of pages spanned by the data starting at the given addr */ 6219aebddd1SJeff Kirsher #define PAGES_4K_SPANNED(_address, size) \ 6229aebddd1SJeff Kirsher ((u32)((((size_t)(_address) & (PAGE_SIZE_4K - 1)) + \ 6239aebddd1SJeff Kirsher (size) + (PAGE_SIZE_4K - 1)) >> PAGE_SHIFT_4K)) 6249aebddd1SJeff Kirsher 6259aebddd1SJeff Kirsher /* Returns bit offset within a DWORD of a bitfield */ 6269aebddd1SJeff Kirsher #define AMAP_BIT_OFFSET(_struct, field) \ 6279aebddd1SJeff Kirsher (((size_t)&(((_struct *)0)->field))%32) 6289aebddd1SJeff Kirsher 6299aebddd1SJeff Kirsher /* Returns the bit mask of the field that is NOT shifted into location. */ 6309aebddd1SJeff Kirsher static inline u32 amap_mask(u32 bitsize) 6319aebddd1SJeff Kirsher { 6329aebddd1SJeff Kirsher return (bitsize == 32 ? 0xFFFFFFFF : (1 << bitsize) - 1); 6339aebddd1SJeff Kirsher } 6349aebddd1SJeff Kirsher 6359aebddd1SJeff Kirsher static inline void 6369aebddd1SJeff Kirsher amap_set(void *ptr, u32 dw_offset, u32 mask, u32 offset, u32 value) 6379aebddd1SJeff Kirsher { 6389aebddd1SJeff Kirsher u32 *dw = (u32 *) ptr + dw_offset; 6399aebddd1SJeff Kirsher *dw &= ~(mask << offset); 6409aebddd1SJeff Kirsher *dw |= (mask & value) << offset; 6419aebddd1SJeff Kirsher } 6429aebddd1SJeff Kirsher 6439aebddd1SJeff Kirsher #define AMAP_SET_BITS(_struct, field, ptr, val) \ 6449aebddd1SJeff Kirsher amap_set(ptr, \ 6459aebddd1SJeff Kirsher offsetof(_struct, field)/32, \ 6469aebddd1SJeff Kirsher amap_mask(sizeof(((_struct *)0)->field)), \ 6479aebddd1SJeff Kirsher AMAP_BIT_OFFSET(_struct, field), \ 6489aebddd1SJeff Kirsher val) 6499aebddd1SJeff Kirsher 6509aebddd1SJeff Kirsher static inline u32 amap_get(void *ptr, u32 dw_offset, u32 mask, u32 offset) 6519aebddd1SJeff Kirsher { 6529aebddd1SJeff Kirsher u32 *dw = (u32 *) ptr; 6539aebddd1SJeff Kirsher return mask & (*(dw + dw_offset) >> offset); 6549aebddd1SJeff Kirsher } 6559aebddd1SJeff Kirsher 6569aebddd1SJeff Kirsher #define AMAP_GET_BITS(_struct, field, ptr) \ 6579aebddd1SJeff Kirsher amap_get(ptr, \ 6589aebddd1SJeff Kirsher offsetof(_struct, field)/32, \ 6599aebddd1SJeff Kirsher amap_mask(sizeof(((_struct *)0)->field)), \ 6609aebddd1SJeff Kirsher AMAP_BIT_OFFSET(_struct, field)) 6619aebddd1SJeff Kirsher 6629aebddd1SJeff Kirsher #define be_dws_cpu_to_le(wrb, len) swap_dws(wrb, len) 6639aebddd1SJeff Kirsher #define be_dws_le_to_cpu(wrb, len) swap_dws(wrb, len) 6649aebddd1SJeff Kirsher static inline void swap_dws(void *wrb, int len) 6659aebddd1SJeff Kirsher { 6669aebddd1SJeff Kirsher #ifdef __BIG_ENDIAN 6679aebddd1SJeff Kirsher u32 *dw = wrb; 6689aebddd1SJeff Kirsher BUG_ON(len % 4); 6699aebddd1SJeff Kirsher do { 6709aebddd1SJeff Kirsher *dw = cpu_to_le32(*dw); 6719aebddd1SJeff Kirsher dw++; 6729aebddd1SJeff Kirsher len -= 4; 6739aebddd1SJeff Kirsher } while (len); 6749aebddd1SJeff Kirsher #endif /* __BIG_ENDIAN */ 6759aebddd1SJeff Kirsher } 6769aebddd1SJeff Kirsher 6770532d4e3SKalesh AP #define be_cmd_status(status) (status > 0 ? -EIO : status) 6780532d4e3SKalesh AP 6799aebddd1SJeff Kirsher static inline u8 is_tcp_pkt(struct sk_buff *skb) 6809aebddd1SJeff Kirsher { 6819aebddd1SJeff Kirsher u8 val = 0; 6829aebddd1SJeff Kirsher 6839aebddd1SJeff Kirsher if (ip_hdr(skb)->version == 4) 6849aebddd1SJeff Kirsher val = (ip_hdr(skb)->protocol == IPPROTO_TCP); 6859aebddd1SJeff Kirsher else if (ip_hdr(skb)->version == 6) 6869aebddd1SJeff Kirsher val = (ipv6_hdr(skb)->nexthdr == NEXTHDR_TCP); 6879aebddd1SJeff Kirsher 6889aebddd1SJeff Kirsher return val; 6899aebddd1SJeff Kirsher } 6909aebddd1SJeff Kirsher 6919aebddd1SJeff Kirsher static inline u8 is_udp_pkt(struct sk_buff *skb) 6929aebddd1SJeff Kirsher { 6939aebddd1SJeff Kirsher u8 val = 0; 6949aebddd1SJeff Kirsher 6959aebddd1SJeff Kirsher if (ip_hdr(skb)->version == 4) 6969aebddd1SJeff Kirsher val = (ip_hdr(skb)->protocol == IPPROTO_UDP); 6979aebddd1SJeff Kirsher else if (ip_hdr(skb)->version == 6) 6989aebddd1SJeff Kirsher val = (ipv6_hdr(skb)->nexthdr == NEXTHDR_UDP); 6999aebddd1SJeff Kirsher 7009aebddd1SJeff Kirsher return val; 7019aebddd1SJeff Kirsher } 7029aebddd1SJeff Kirsher 70393040ae5SSomnath Kotur static inline bool is_ipv4_pkt(struct sk_buff *skb) 70493040ae5SSomnath Kotur { 705e8efcec5SLi RongQing return skb->protocol == htons(ETH_P_IP) && ip_hdr(skb)->version == 4; 70693040ae5SSomnath Kotur } 70793040ae5SSomnath Kotur 7089aebddd1SJeff Kirsher static inline void be_vf_eth_addr_generate(struct be_adapter *adapter, u8 *mac) 7099aebddd1SJeff Kirsher { 7109aebddd1SJeff Kirsher u32 addr; 7119aebddd1SJeff Kirsher 7129aebddd1SJeff Kirsher addr = jhash(adapter->netdev->dev_addr, ETH_ALEN, 0); 7139aebddd1SJeff Kirsher 7149aebddd1SJeff Kirsher mac[5] = (u8)(addr & 0xFF); 7159aebddd1SJeff Kirsher mac[4] = (u8)((addr >> 8) & 0xFF); 7169aebddd1SJeff Kirsher mac[3] = (u8)((addr >> 16) & 0xFF); 7179aebddd1SJeff Kirsher /* Use the OUI from the current MAC address */ 7189aebddd1SJeff Kirsher memcpy(mac, adapter->netdev->dev_addr, 3); 7199aebddd1SJeff Kirsher } 7209aebddd1SJeff Kirsher 7219aebddd1SJeff Kirsher static inline bool be_multi_rxq(const struct be_adapter *adapter) 7229aebddd1SJeff Kirsher { 7239aebddd1SJeff Kirsher return adapter->num_rx_qs > 1; 7249aebddd1SJeff Kirsher } 7259aebddd1SJeff Kirsher 7266589ade0SSathya Perla static inline bool be_error(struct be_adapter *adapter) 7276589ade0SSathya Perla { 728f67ef7baSPadmanabh Ratnakar return adapter->eeh_error || adapter->hw_error || adapter->fw_timeout; 729f67ef7baSPadmanabh Ratnakar } 730f67ef7baSPadmanabh Ratnakar 731d23e946cSSathya Perla static inline bool be_hw_error(struct be_adapter *adapter) 732f67ef7baSPadmanabh Ratnakar { 733f67ef7baSPadmanabh Ratnakar return adapter->eeh_error || adapter->hw_error; 734f67ef7baSPadmanabh Ratnakar } 735f67ef7baSPadmanabh Ratnakar 736f67ef7baSPadmanabh Ratnakar static inline void be_clear_all_error(struct be_adapter *adapter) 737f67ef7baSPadmanabh Ratnakar { 738f67ef7baSPadmanabh Ratnakar adapter->eeh_error = false; 739f67ef7baSPadmanabh Ratnakar adapter->hw_error = false; 740f67ef7baSPadmanabh Ratnakar adapter->fw_timeout = false; 7416589ade0SSathya Perla } 7426589ade0SSathya Perla 7434762f6ceSAjit Khaparde static inline bool be_is_wol_excluded(struct be_adapter *adapter) 7444762f6ceSAjit Khaparde { 7454762f6ceSAjit Khaparde struct pci_dev *pdev = adapter->pdev; 7464762f6ceSAjit Khaparde 7474762f6ceSAjit Khaparde if (!be_physfn(adapter)) 7484762f6ceSAjit Khaparde return true; 7494762f6ceSAjit Khaparde 7504762f6ceSAjit Khaparde switch (pdev->subsystem_device) { 7514762f6ceSAjit Khaparde case OC_SUBSYS_DEVICE_ID1: 7524762f6ceSAjit Khaparde case OC_SUBSYS_DEVICE_ID2: 7534762f6ceSAjit Khaparde case OC_SUBSYS_DEVICE_ID3: 7544762f6ceSAjit Khaparde case OC_SUBSYS_DEVICE_ID4: 7554762f6ceSAjit Khaparde return true; 7564762f6ceSAjit Khaparde default: 7574762f6ceSAjit Khaparde return false; 7584762f6ceSAjit Khaparde } 7594762f6ceSAjit Khaparde } 7604762f6ceSAjit Khaparde 761bc0c3405SAjit Khaparde static inline int qnq_async_evt_rcvd(struct be_adapter *adapter) 762bc0c3405SAjit Khaparde { 763bc0c3405SAjit Khaparde return adapter->flags & BE_FLAGS_QNQ_ASYNC_EVT_RCVD; 764bc0c3405SAjit Khaparde } 765bc0c3405SAjit Khaparde 7666384a4d0SSathya Perla #ifdef CONFIG_NET_RX_BUSY_POLL 7676384a4d0SSathya Perla static inline bool be_lock_napi(struct be_eq_obj *eqo) 7686384a4d0SSathya Perla { 7696384a4d0SSathya Perla bool status = true; 7706384a4d0SSathya Perla 7716384a4d0SSathya Perla spin_lock(&eqo->lock); /* BH is already disabled */ 7726384a4d0SSathya Perla if (eqo->state & BE_EQ_LOCKED) { 7736384a4d0SSathya Perla WARN_ON(eqo->state & BE_EQ_NAPI); 7746384a4d0SSathya Perla eqo->state |= BE_EQ_NAPI_YIELD; 7756384a4d0SSathya Perla status = false; 7766384a4d0SSathya Perla } else { 7776384a4d0SSathya Perla eqo->state = BE_EQ_NAPI; 7786384a4d0SSathya Perla } 7796384a4d0SSathya Perla spin_unlock(&eqo->lock); 7806384a4d0SSathya Perla return status; 7816384a4d0SSathya Perla } 7826384a4d0SSathya Perla 7836384a4d0SSathya Perla static inline void be_unlock_napi(struct be_eq_obj *eqo) 7846384a4d0SSathya Perla { 7856384a4d0SSathya Perla spin_lock(&eqo->lock); /* BH is already disabled */ 7866384a4d0SSathya Perla 7876384a4d0SSathya Perla WARN_ON(eqo->state & (BE_EQ_POLL | BE_EQ_NAPI_YIELD)); 7886384a4d0SSathya Perla eqo->state = BE_EQ_IDLE; 7896384a4d0SSathya Perla 7906384a4d0SSathya Perla spin_unlock(&eqo->lock); 7916384a4d0SSathya Perla } 7926384a4d0SSathya Perla 7936384a4d0SSathya Perla static inline bool be_lock_busy_poll(struct be_eq_obj *eqo) 7946384a4d0SSathya Perla { 7956384a4d0SSathya Perla bool status = true; 7966384a4d0SSathya Perla 7976384a4d0SSathya Perla spin_lock_bh(&eqo->lock); 7986384a4d0SSathya Perla if (eqo->state & BE_EQ_LOCKED) { 7996384a4d0SSathya Perla eqo->state |= BE_EQ_POLL_YIELD; 8006384a4d0SSathya Perla status = false; 8016384a4d0SSathya Perla } else { 8026384a4d0SSathya Perla eqo->state |= BE_EQ_POLL; 8036384a4d0SSathya Perla } 8046384a4d0SSathya Perla spin_unlock_bh(&eqo->lock); 8056384a4d0SSathya Perla return status; 8066384a4d0SSathya Perla } 8076384a4d0SSathya Perla 8086384a4d0SSathya Perla static inline void be_unlock_busy_poll(struct be_eq_obj *eqo) 8096384a4d0SSathya Perla { 8106384a4d0SSathya Perla spin_lock_bh(&eqo->lock); 8116384a4d0SSathya Perla 8126384a4d0SSathya Perla WARN_ON(eqo->state & (BE_EQ_NAPI)); 8136384a4d0SSathya Perla eqo->state = BE_EQ_IDLE; 8146384a4d0SSathya Perla 8156384a4d0SSathya Perla spin_unlock_bh(&eqo->lock); 8166384a4d0SSathya Perla } 8176384a4d0SSathya Perla 8186384a4d0SSathya Perla static inline void be_enable_busy_poll(struct be_eq_obj *eqo) 8196384a4d0SSathya Perla { 8206384a4d0SSathya Perla spin_lock_init(&eqo->lock); 8216384a4d0SSathya Perla eqo->state = BE_EQ_IDLE; 8226384a4d0SSathya Perla } 8236384a4d0SSathya Perla 8246384a4d0SSathya Perla static inline void be_disable_busy_poll(struct be_eq_obj *eqo) 8256384a4d0SSathya Perla { 8266384a4d0SSathya Perla local_bh_disable(); 8276384a4d0SSathya Perla 8286384a4d0SSathya Perla /* It's enough to just acquire napi lock on the eqo to stop 8296384a4d0SSathya Perla * be_busy_poll() from processing any queueus. 8306384a4d0SSathya Perla */ 8316384a4d0SSathya Perla while (!be_lock_napi(eqo)) 8326384a4d0SSathya Perla mdelay(1); 8336384a4d0SSathya Perla 8346384a4d0SSathya Perla local_bh_enable(); 8356384a4d0SSathya Perla } 8366384a4d0SSathya Perla 8376384a4d0SSathya Perla #else /* CONFIG_NET_RX_BUSY_POLL */ 8386384a4d0SSathya Perla 8396384a4d0SSathya Perla static inline bool be_lock_napi(struct be_eq_obj *eqo) 8406384a4d0SSathya Perla { 8416384a4d0SSathya Perla return true; 8426384a4d0SSathya Perla } 8436384a4d0SSathya Perla 8446384a4d0SSathya Perla static inline void be_unlock_napi(struct be_eq_obj *eqo) 8456384a4d0SSathya Perla { 8466384a4d0SSathya Perla } 8476384a4d0SSathya Perla 8486384a4d0SSathya Perla static inline bool be_lock_busy_poll(struct be_eq_obj *eqo) 8496384a4d0SSathya Perla { 8506384a4d0SSathya Perla return false; 8516384a4d0SSathya Perla } 8526384a4d0SSathya Perla 8536384a4d0SSathya Perla static inline void be_unlock_busy_poll(struct be_eq_obj *eqo) 8546384a4d0SSathya Perla { 8556384a4d0SSathya Perla } 8566384a4d0SSathya Perla 8576384a4d0SSathya Perla static inline void be_enable_busy_poll(struct be_eq_obj *eqo) 8586384a4d0SSathya Perla { 8596384a4d0SSathya Perla } 8606384a4d0SSathya Perla 8616384a4d0SSathya Perla static inline void be_disable_busy_poll(struct be_eq_obj *eqo) 8626384a4d0SSathya Perla { 8636384a4d0SSathya Perla } 8646384a4d0SSathya Perla #endif /* CONFIG_NET_RX_BUSY_POLL */ 8656384a4d0SSathya Perla 86631886e87SJoe Perches void be_cq_notify(struct be_adapter *adapter, u16 qid, bool arm, 8679aebddd1SJeff Kirsher u16 num_popped); 86831886e87SJoe Perches void be_link_status_update(struct be_adapter *adapter, u8 link_status); 86931886e87SJoe Perches void be_parse_stats(struct be_adapter *adapter); 87031886e87SJoe Perches int be_load_fw(struct be_adapter *adapter, u8 *func); 87131886e87SJoe Perches bool be_is_wol_supported(struct be_adapter *adapter); 87231886e87SJoe Perches bool be_pause_supported(struct be_adapter *adapter); 87331886e87SJoe Perches u32 be_get_fw_log_level(struct be_adapter *adapter); 874394efd19SDavid S. Miller 875e9e2a904SSomnath Kotur static inline int fw_major_num(const char *fw_ver) 876e9e2a904SSomnath Kotur { 877e9e2a904SSomnath Kotur int fw_major = 0; 878e9e2a904SSomnath Kotur 879e9e2a904SSomnath Kotur sscanf(fw_ver, "%d.", &fw_major); 880e9e2a904SSomnath Kotur 881e9e2a904SSomnath Kotur return fw_major; 882e9e2a904SSomnath Kotur } 883e9e2a904SSomnath Kotur 88468d7bdcbSSathya Perla int be_update_queues(struct be_adapter *adapter); 88568d7bdcbSSathya Perla int be_poll(struct napi_struct *napi, int budget); 886941a77d5SSomnath Kotur 887045508a8SParav Pandit /* 888045508a8SParav Pandit * internal function to initialize-cleanup roce device. 889045508a8SParav Pandit */ 89031886e87SJoe Perches void be_roce_dev_add(struct be_adapter *); 89131886e87SJoe Perches void be_roce_dev_remove(struct be_adapter *); 892045508a8SParav Pandit 893045508a8SParav Pandit /* 894045508a8SParav Pandit * internal function to open-close roce device during ifup-ifdown. 895045508a8SParav Pandit */ 89631886e87SJoe Perches void be_roce_dev_open(struct be_adapter *); 89731886e87SJoe Perches void be_roce_dev_close(struct be_adapter *); 898045508a8SParav Pandit 8999aebddd1SJeff Kirsher #endif /* BE_H */ 900