/* * Copyright (C) 2005 - 2016 Broadcom * All rights reserved. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License version 2 * as published by the Free Software Foundation. The full GNU General * Public License is included in this distribution in the file called COPYING. * * Contact Information: * linux-drivers@emulex.com * * Emulex * 3333 Susan Street * Costa Mesa, CA 92626 */ #ifndef BE_H #define BE_H #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "be_hw.h" #include "be_roce.h" #define DRV_VER "12.0.0.0" #define DRV_NAME "be2net" #define BE_NAME "Emulex BladeEngine2" #define BE3_NAME "Emulex BladeEngine3" #define OC_NAME "Emulex OneConnect" #define OC_NAME_BE OC_NAME "(be3)" #define OC_NAME_LANCER OC_NAME "(Lancer)" #define OC_NAME_SH OC_NAME "(Skyhawk)" #define DRV_DESC "Emulex OneConnect NIC Driver" #define BE_VENDOR_ID 0x19a2 #define EMULEX_VENDOR_ID 0x10df #define BE_DEVICE_ID1 0x211 #define BE_DEVICE_ID2 0x221 #define OC_DEVICE_ID1 0x700 /* Device Id for BE2 cards */ #define OC_DEVICE_ID2 0x710 /* Device Id for BE3 cards */ #define OC_DEVICE_ID3 0xe220 /* Device id for Lancer cards */ #define OC_DEVICE_ID4 0xe228 /* Device id for VF in Lancer */ #define OC_DEVICE_ID5 0x720 /* Device Id for Skyhawk cards */ #define OC_DEVICE_ID6 0x728 /* Device id for VF in SkyHawk */ #define OC_SUBSYS_DEVICE_ID1 0xE602 #define OC_SUBSYS_DEVICE_ID2 0xE642 #define OC_SUBSYS_DEVICE_ID3 0xE612 #define OC_SUBSYS_DEVICE_ID4 0xE652 /* Number of bytes of an RX frame that are copied to skb->data */ #define BE_HDR_LEN ((u16) 64) /* allocate extra space to allow tunneling decapsulation without head reallocation */ #define BE_RX_SKB_ALLOC_SIZE 256 #define BE_MAX_JUMBO_FRAME_SIZE 9018 #define BE_MIN_MTU 256 #define BE_MAX_MTU (BE_MAX_JUMBO_FRAME_SIZE - \ (ETH_HLEN + ETH_FCS_LEN)) /* Accommodate for QnQ configurations where VLAN insertion is enabled in HW */ #define BE_MAX_GSO_SIZE (65535 - 2 * VLAN_HLEN) #define BE_NUM_VLANS_SUPPORTED 64 #define BE_MAX_EQD 128u #define BE_MAX_TX_FRAG_COUNT 30 #define EVNT_Q_LEN 1024 #define TX_Q_LEN 2048 #define TX_CQ_LEN 1024 #define RX_Q_LEN 1024 /* Does not support any other value */ #define RX_CQ_LEN 1024 #define MCC_Q_LEN 128 /* total size not to exceed 8 pages */ #define MCC_CQ_LEN 256 #define BE2_MAX_RSS_QS 4 #define BE3_MAX_RSS_QS 16 #define BE3_MAX_TX_QS 16 #define BE3_MAX_EVT_QS 16 #define BE3_SRIOV_MAX_EVT_QS 8 #define SH_VF_MAX_NIC_EQS 3 /* Skyhawk VFs can have a max of 4 EQs * and at least 1 is granted to either * SURF/DPDK */ #define MAX_PORT_RSS_TABLES 15 #define MAX_NIC_FUNCS 16 #define MAX_RX_QS 32 #define MAX_EVT_QS 32 #define MAX_TX_QS 32 #define MAX_ROCE_EQS 5 #define MAX_MSIX_VECTORS 32 #define MIN_MSIX_VECTORS 1 #define BE_NAPI_WEIGHT 64 #define MAX_RX_POST BE_NAPI_WEIGHT /* Frags posted at a time */ #define RX_FRAGS_REFILL_WM (RX_Q_LEN - MAX_RX_POST) #define MAX_NUM_POST_ERX_DB 255u #define MAX_VFS 30 /* Max VFs supported by BE3 FW */ #define FW_VER_LEN 32 #define CNTL_SERIAL_NUM_WORDS 8 /* Controller serial number words */ #define CNTL_SERIAL_NUM_WORD_SZ (sizeof(u16)) /* Byte-sz of serial num word */ #define RSS_INDIR_TABLE_LEN 128 #define RSS_HASH_KEY_LEN 40 #define BE_UNKNOWN_PHY_STATE 0xFF struct be_dma_mem { void *va; dma_addr_t dma; u32 size; }; struct be_queue_info { u32 len; u32 entry_size; /* Size of an element in the queue */ u32 tail, head; atomic_t used; /* Number of valid elements in the queue */ u32 id; struct be_dma_mem dma_mem; bool created; }; static inline u32 MODULO(u32 val, u32 limit) { BUG_ON(limit & (limit - 1)); return val & (limit - 1); } static inline void index_adv(u32 *index, u32 val, u32 limit) { *index = MODULO((*index + val), limit); } static inline void index_inc(u32 *index, u32 limit) { *index = MODULO((*index + 1), limit); } static inline void *queue_head_node(struct be_queue_info *q) { return q->dma_mem.va + q->head * q->entry_size; } static inline void *queue_tail_node(struct be_queue_info *q) { return q->dma_mem.va + q->tail * q->entry_size; } static inline void *queue_index_node(struct be_queue_info *q, u16 index) { return q->dma_mem.va + index * q->entry_size; } static inline void queue_head_inc(struct be_queue_info *q) { index_inc(&q->head, q->len); } static inline void index_dec(u32 *index, u32 limit) { *index = MODULO((*index - 1), limit); } static inline void queue_tail_inc(struct be_queue_info *q) { index_inc(&q->tail, q->len); } struct be_eq_obj { struct be_queue_info q; struct be_adapter *adapter; struct napi_struct napi; u8 idx; /* array index */ u8 msix_idx; u16 spurious_intr; cpumask_var_t affinity_mask; } ____cacheline_aligned_in_smp; struct be_aic_obj { /* Adaptive interrupt coalescing (AIC) info */ bool enable; u32 min_eqd; /* in usecs */ u32 max_eqd; /* in usecs */ u32 prev_eqd; /* in usecs */ u32 et_eqd; /* configured val when aic is off */ ulong jiffies; u64 rx_pkts_prev; /* Used to calculate RX pps */ u64 tx_reqs_prev; /* Used to calculate TX pps */ }; struct be_mcc_obj { struct be_queue_info q; struct be_queue_info cq; bool rearm_cq; }; struct be_tx_stats { u64 tx_bytes; u64 tx_pkts; u64 tx_vxlan_offload_pkts; u64 tx_reqs; u64 tx_compl; u32 tx_stops; u32 tx_drv_drops; /* pkts dropped by driver */ /* the error counters are described in be_ethtool.c */ u32 tx_hdr_parse_err; u32 tx_dma_err; u32 tx_tso_err; u32 tx_spoof_check_err; u32 tx_qinq_err; u32 tx_internal_parity_err; u32 tx_sge_err; struct u64_stats_sync sync; struct u64_stats_sync sync_compl; }; /* Structure to hold some data of interest obtained from a TX CQE */ struct be_tx_compl_info { u8 status; /* Completion status */ u16 end_index; /* Completed TXQ Index */ }; struct be_tx_obj { u32 db_offset; struct be_tx_compl_info txcp; struct be_queue_info q; struct be_queue_info cq; /* Remember the skbs that were transmitted */ struct sk_buff *sent_skb_list[TX_Q_LEN]; struct be_tx_stats stats; u16 pend_wrb_cnt; /* Number of WRBs yet to be given to HW */ u16 last_req_wrb_cnt; /* wrb cnt of the last req in the Q */ u16 last_req_hdr; /* index of the last req's hdr-wrb */ } ____cacheline_aligned_in_smp; /* Struct to remember the pages posted for rx frags */ struct be_rx_page_info { struct page *page; /* set to page-addr for last frag of the page & frag-addr otherwise */ DEFINE_DMA_UNMAP_ADDR(bus); u16 page_offset; bool last_frag; /* last frag of the page */ }; struct be_rx_stats { u64 rx_bytes; u64 rx_pkts; u64 rx_vxlan_offload_pkts; u32 rx_drops_no_skbs; /* skb allocation errors */ u32 rx_drops_no_frags; /* HW has no fetched frags */ u32 rx_post_fail; /* page post alloc failures */ u32 rx_compl; u32 rx_mcast_pkts; u32 rx_compl_err; /* completions with err set */ struct u64_stats_sync sync; }; struct be_rx_compl_info { u32 rss_hash; u16 vlan_tag; u16 pkt_size; u16 port; u8 vlanf; u8 num_rcvd; u8 err; u8 ipf; u8 tcpf; u8 udpf; u8 ip_csum; u8 l4_csum; u8 ipv6; u8 qnq; u8 pkt_type; u8 ip_frag; u8 tunneled; }; struct be_rx_obj { struct be_adapter *adapter; struct be_queue_info q; struct be_queue_info cq; struct be_rx_compl_info rxcp; struct be_rx_page_info page_info_tbl[RX_Q_LEN]; struct be_rx_stats stats; u8 rss_id; bool rx_post_starved; /* Zero rx frags have been posted to BE */ } ____cacheline_aligned_in_smp; struct be_drv_stats { u32 eth_red_drops; u32 dma_map_errors; u32 rx_drops_no_pbuf; u32 rx_drops_no_txpb; u32 rx_drops_no_erx_descr; u32 rx_drops_no_tpre_descr; u32 rx_drops_too_many_frags; u32 forwarded_packets; u32 rx_drops_mtu; u32 rx_crc_errors; u32 rx_alignment_symbol_errors; u32 rx_pause_frames; u32 rx_priority_pause_frames; u32 rx_control_frames; u32 rx_in_range_errors; u32 rx_out_range_errors; u32 rx_frame_too_long; u32 rx_address_filtered; u32 rx_dropped_too_small; u32 rx_dropped_too_short; u32 rx_dropped_header_too_small; u32 rx_dropped_tcp_length; u32 rx_dropped_runt; u32 rx_ip_checksum_errs; u32 rx_tcp_checksum_errs; u32 rx_udp_checksum_errs; u32 tx_pauseframes; u32 tx_priority_pauseframes; u32 tx_controlframes; u32 rxpp_fifo_overflow_drop; u32 rx_input_fifo_overflow_drop; u32 pmem_fifo_overflow_drop; u32 jabber_events; u32 rx_roce_bytes_lsd; u32 rx_roce_bytes_msd; u32 rx_roce_frames; u32 roce_drops_payload_len; u32 roce_drops_crc; }; /* A vlan-id of 0xFFFF must be used to clear transparent vlan-tagging */ #define BE_RESET_VLAN_TAG_ID 0xFFFF struct be_vf_cfg { unsigned char mac_addr[ETH_ALEN]; int if_handle; int pmac_id; u16 vlan_tag; u32 tx_rate; u32 plink_tracking; u32 privileges; bool spoofchk; }; enum vf_state { ENABLED = 0, ASSIGNED = 1 }; #define BE_FLAGS_LINK_STATUS_INIT BIT(1) #define BE_FLAGS_SRIOV_ENABLED BIT(2) #define BE_FLAGS_WORKER_SCHEDULED BIT(3) #define BE_FLAGS_NAPI_ENABLED BIT(6) #define BE_FLAGS_QNQ_ASYNC_EVT_RCVD BIT(7) #define BE_FLAGS_VXLAN_OFFLOADS BIT(8) #define BE_FLAGS_SETUP_DONE BIT(9) #define BE_FLAGS_PHY_MISCONFIGURED BIT(10) #define BE_FLAGS_ERR_DETECTION_SCHEDULED BIT(11) #define BE_FLAGS_OS2BMC BIT(12) #define BE_FLAGS_TRY_RECOVERY BIT(13) #define BE_UC_PMAC_COUNT 30 #define BE_VF_UC_PMAC_COUNT 2 #define MAX_ERR_RECOVERY_RETRY_COUNT 3 #define ERR_DETECTION_DELAY 1000 /* Ethtool set_dump flags */ #define LANCER_INITIATE_FW_DUMP 0x1 #define LANCER_DELETE_FW_DUMP 0x2 struct phy_info { /* From SFF-8472 spec */ #define SFP_VENDOR_NAME_LEN 17 u8 transceiver; u8 autoneg; u8 fc_autoneg; u8 port_type; u16 phy_type; u16 interface_type; u32 misc_params; u16 auto_speeds_supported; u16 fixed_speeds_supported; int link_speed; u32 advertising; u32 supported; u8 cable_type; u8 vendor_name[SFP_VENDOR_NAME_LEN]; u8 vendor_pn[SFP_VENDOR_NAME_LEN]; }; struct be_resources { u16 max_vfs; /* Total VFs "really" supported by FW/HW */ u16 max_mcast_mac; u16 max_tx_qs; u16 max_rss_qs; u16 max_rx_qs; u16 max_cq_count; u16 max_uc_mac; /* Max UC MACs programmable */ u16 max_vlans; /* Number of vlans supported */ u16 max_iface_count; u16 max_mcc_count; u16 max_evt_qs; u16 max_nic_evt_qs; /* NIC's share of evt qs */ u32 if_cap_flags; u32 vf_if_cap_flags; /* VF if capability flags */ u32 flags; /* Calculated PF Pool's share of RSS Tables. This is not enforced by * the FW, but is a self-imposed driver limitation. */ u16 max_rss_tables; }; /* These are port-wide values */ struct be_port_resources { u16 max_vfs; u16 nic_pfs; }; #define be_is_os2bmc_enabled(adapter) (adapter->flags & BE_FLAGS_OS2BMC) struct rss_info { u8 rsstable[RSS_INDIR_TABLE_LEN]; u8 rss_queue[RSS_INDIR_TABLE_LEN]; u8 rss_hkey[RSS_HASH_KEY_LEN]; u64 rss_flags; }; #define BE_INVALID_DIE_TEMP 0xFF struct be_hwmon { struct device *hwmon_dev; u8 be_on_die_temp; /* Unit: millidegree Celsius */ }; /* Macros to read/write the 'features' word of be_wrb_params structure. */ #define BE_WRB_F_BIT(name) BE_WRB_F_##name##_BIT #define BE_WRB_F_MASK(name) BIT_MASK(BE_WRB_F_##name##_BIT) #define BE_WRB_F_GET(word, name) \ (((word) & (BE_WRB_F_MASK(name))) >> BE_WRB_F_BIT(name)) #define BE_WRB_F_SET(word, name, val) \ ((word) |= (((val) << BE_WRB_F_BIT(name)) & BE_WRB_F_MASK(name))) /* Feature/offload bits */ enum { BE_WRB_F_CRC_BIT, /* Ethernet CRC */ BE_WRB_F_IPCS_BIT, /* IP csum */ BE_WRB_F_TCPCS_BIT, /* TCP csum */ BE_WRB_F_UDPCS_BIT, /* UDP csum */ BE_WRB_F_LSO_BIT, /* LSO */ BE_WRB_F_LSO6_BIT, /* LSO6 */ BE_WRB_F_VLAN_BIT, /* VLAN */ BE_WRB_F_VLAN_SKIP_HW_BIT, /* Skip VLAN tag (workaround) */ BE_WRB_F_OS2BMC_BIT /* Send packet to the management ring */ }; /* The structure below provides a HW-agnostic abstraction of WRB params * retrieved from a TX skb. This is in turn passed to chip specific routines * during transmit, to set the corresponding params in the WRB. */ struct be_wrb_params { u32 features; /* Feature bits */ u16 vlan_tag; /* VLAN tag */ u16 lso_mss; /* MSS for LSO */ }; struct be_eth_addr { unsigned char mac[ETH_ALEN]; }; #define BE_SEC 1000 /* in msec */ #define BE_MIN (60 * BE_SEC) /* in msec */ #define BE_HOUR (60 * BE_MIN) /* in msec */ #define ERR_RECOVERY_MAX_RETRY_COUNT 3 #define ERR_RECOVERY_DETECTION_DELAY BE_SEC #define ERR_RECOVERY_RETRY_DELAY (30 * BE_SEC) /* UE-detection-duration in BEx/Skyhawk: * All PFs must wait for this duration after they detect UE before reading * SLIPORT_SEMAPHORE register. At the end of this duration, the Firmware * guarantees that the SLIPORT_SEMAPHORE register is updated to indicate * if the UE is recoverable. */ #define ERR_RECOVERY_UE_DETECT_DURATION BE_SEC /* Initial idle time (in msec) to elapse after driver load, * before UE recovery is allowed. */ #define ERR_IDLE_HR 24 #define ERR_RECOVERY_IDLE_TIME (ERR_IDLE_HR * BE_HOUR) /* Time interval (in msec) after which UE recovery can be repeated */ #define ERR_INTERVAL_HR 72 #define ERR_RECOVERY_INTERVAL (ERR_INTERVAL_HR * BE_HOUR) /* BEx/SH UE recovery state machine */ enum { ERR_RECOVERY_ST_NONE = 0, /* No Recovery */ ERR_RECOVERY_ST_DETECT = 1, /* UE detection duration */ ERR_RECOVERY_ST_RESET = 2, /* Reset Phase (PF0 only) */ ERR_RECOVERY_ST_PRE_POLL = 3, /* Pre-Poll Phase (all PFs) */ ERR_RECOVERY_ST_REINIT = 4 /* Re-initialize Phase */ }; struct be_error_recovery { union { u8 recovery_retries; /* used for Lancer */ u8 recovery_state; /* used for BEx and Skyhawk */ }; /* BEx/Skyhawk error recovery variables */ bool recovery_supported; u16 ue_to_reset_time; /* Time after UE, to soft reset * the chip - PF0 only */ u16 ue_to_poll_time; /* Time after UE, to Restart Polling * of SLIPORT_SEMAPHORE reg */ u16 last_err_code; unsigned long probe_time; unsigned long last_recovery_time; /* Common to both Lancer & BEx/SH error recovery */ u32 resched_delay; struct delayed_work err_detection_work; }; /* Ethtool priv_flags */ #define BE_DISABLE_TPE_RECOVERY 0x1 struct be_vxlan_port { struct list_head list; __be16 port; /* VxLAN UDP dst port */ int port_aliases; /* alias count */ }; struct be_adapter { struct pci_dev *pdev; struct net_device *netdev; u8 __iomem *csr; /* CSR BAR used only for BE2/3 */ u8 __iomem *db; /* Door Bell */ u8 __iomem *pcicfg; /* On SH,BEx only. Shadow of PCI config space */ struct mutex mbox_lock; /* For serializing mbox cmds to BE card */ struct be_dma_mem mbox_mem; /* Mbox mem is adjusted to align to 16 bytes. The allocated addr * is stored for freeing purpose */ struct be_dma_mem mbox_mem_alloced; struct be_mcc_obj mcc_obj; struct mutex mcc_lock; /* For serializing mcc cmds to BE card */ spinlock_t mcc_cq_lock; u16 cfg_num_rx_irqs; /* configured via set-channels */ u16 cfg_num_tx_irqs; /* configured via set-channels */ u16 num_evt_qs; u16 num_msix_vec; struct be_eq_obj eq_obj[MAX_EVT_QS]; struct msix_entry msix_entries[MAX_MSIX_VECTORS]; bool isr_registered; /* TX Rings */ u16 num_tx_qs; struct be_tx_obj tx_obj[MAX_TX_QS]; /* Rx rings */ u16 num_rx_qs; u16 num_rss_qs; u16 need_def_rxq; struct be_rx_obj rx_obj[MAX_RX_QS]; u32 big_page_size; /* Compounded page size shared by rx wrbs */ struct be_drv_stats drv_stats; struct be_aic_obj aic_obj[MAX_EVT_QS]; u8 vlan_prio_bmap; /* Available Priority BitMap */ u16 recommended_prio_bits;/* Recommended Priority bits in vlan tag */ struct be_dma_mem rx_filter; /* Cmd DMA mem for rx-filter */ struct be_dma_mem stats_cmd; /* Work queue used to perform periodic tasks like getting statistics */ struct delayed_work work; u16 work_counter; u8 recovery_retries; u8 err_flags; bool pcicfg_mapped; /* pcicfg obtained via pci_iomap() */ u32 flags; u32 cmd_privileges; /* Ethtool knobs and info */ char fw_ver[FW_VER_LEN]; char fw_on_flash[FW_VER_LEN]; /* IFACE filtering fields */ int if_handle; /* Used to configure filtering */ u32 if_flags; /* Interface filtering flags */ u32 *pmac_id; /* MAC addr handle used by BE card */ struct be_eth_addr *uc_list;/* list of uc-addrs programmed (not perm) */ u32 uc_macs; /* Count of secondary UC MAC programmed */ struct be_eth_addr *mc_list;/* list of mcast addrs programmed */ u32 mc_count; unsigned long vids[BITS_TO_LONGS(VLAN_N_VID)]; u16 vlans_added; bool update_uc_list; bool update_mc_list; struct mutex rx_filter_lock;/* For protecting vids[] & mc/uc_list[] */ u32 beacon_state; /* for set_phys_id */ u32 port_num; char port_name; u8 mc_type; u32 function_mode; u32 function_caps; u32 rx_fc; /* Rx flow control */ u32 tx_fc; /* Tx flow control */ bool stats_cmd_sent; struct { u32 size; u32 total_size; u64 io_addr; } roce_db; u32 num_msix_roce_vec; struct ocrdma_dev *ocrdma_dev; struct list_head entry; u32 flash_status; struct completion et_cmd_compl; struct be_resources pool_res; /* resources available for the port */ struct be_resources res; /* resources available for the func */ u16 num_vfs; /* Number of VFs provisioned by PF */ u8 pf_num; /* Numbering used by FW, starts at 0 */ u8 vf_num; /* Numbering used by FW, starts at 1 */ u8 virtfn; struct be_vf_cfg *vf_cfg; bool be3_native; u32 sli_family; u8 hba_port_num; u16 pvid; __be16 vxlan_port; /* offloaded vxlan port num */ int vxlan_port_count; /* active vxlan port count */ struct list_head vxlan_port_list; /* vxlan port list */ struct phy_info phy; u8 wol_cap; bool wol_en; u16 asic_rev; u16 qnq_vid; u32 msg_enable; int be_get_temp_freq; struct be_hwmon hwmon_info; struct rss_info rss_info; /* Filters for packets that need to be sent to BMC */ u32 bmc_filt_mask; u32 fat_dump_len; u16 serial_num[CNTL_SERIAL_NUM_WORDS]; u8 phy_state; /* state of sfp optics (functional, faulted, etc.,) */ u8 dev_mac[ETH_ALEN]; u32 priv_flags; /* ethtool get/set_priv_flags() */ struct be_error_recovery error_recovery; }; /* Used for defered FW config cmds. Add fields to this struct as reqd */ struct be_cmd_work { struct work_struct work; struct be_adapter *adapter; union { __be16 vxlan_port; } info; }; #define be_physfn(adapter) (!adapter->virtfn) #define be_virtfn(adapter) (adapter->virtfn) #define sriov_enabled(adapter) (adapter->flags & \ BE_FLAGS_SRIOV_ENABLED) #define for_all_vfs(adapter, vf_cfg, i) \ for (i = 0, vf_cfg = &adapter->vf_cfg[i]; i < adapter->num_vfs; \ i++, vf_cfg++) #define ON 1 #define OFF 0 #define be_max_vlans(adapter) (adapter->res.max_vlans) #define be_max_uc(adapter) (adapter->res.max_uc_mac) #define be_max_mc(adapter) (adapter->res.max_mcast_mac) #define be_max_vfs(adapter) (adapter->pool_res.max_vfs) #define be_max_rss(adapter) (adapter->res.max_rss_qs) #define be_max_txqs(adapter) (adapter->res.max_tx_qs) #define be_max_prio_txqs(adapter) (adapter->res.max_prio_tx_qs) #define be_max_rxqs(adapter) (adapter->res.max_rx_qs) /* Max number of EQs available for the function (NIC + RoCE (if enabled)) */ #define be_max_func_eqs(adapter) (adapter->res.max_evt_qs) /* Max number of EQs available avaialble only for NIC */ #define be_max_nic_eqs(adapter) (adapter->res.max_nic_evt_qs) #define be_if_cap_flags(adapter) (adapter->res.if_cap_flags) #define be_max_pf_pool_rss_tables(adapter) \ (adapter->pool_res.max_rss_tables) /* Max irqs avaialble for NIC */ #define be_max_irqs(adapter) \ (min_t(u16, be_max_nic_eqs(adapter), num_online_cpus())) /* Max irqs *needed* for RX queues */ static inline u16 be_max_rx_irqs(struct be_adapter *adapter) { /* If no RSS, need atleast one irq for def-RXQ */ u16 num = max_t(u16, be_max_rss(adapter), 1); return min_t(u16, num, be_max_irqs(adapter)); } /* Max irqs *needed* for TX queues */ static inline u16 be_max_tx_irqs(struct be_adapter *adapter) { return min_t(u16, be_max_txqs(adapter), be_max_irqs(adapter)); } /* Max irqs *needed* for combined queues */ static inline u16 be_max_qp_irqs(struct be_adapter *adapter) { return min(be_max_tx_irqs(adapter), be_max_rx_irqs(adapter)); } /* Max irqs *needed* for RX and TX queues together */ static inline u16 be_max_any_irqs(struct be_adapter *adapter) { return max(be_max_tx_irqs(adapter), be_max_rx_irqs(adapter)); } /* Is BE in pvid_tagging mode */ #define be_pvid_tagging_enabled(adapter) (adapter->pvid) /* Is BE in QNQ multi-channel mode */ #define be_is_qnq_mode(adapter) (adapter->function_mode & QNQ_MODE) #ifdef CONFIG_BE2NET_LANCER #define lancer_chip(adapter) (adapter->pdev->device == OC_DEVICE_ID3 || \ adapter->pdev->device == OC_DEVICE_ID4) #else #define lancer_chip(adapter) (0) #endif /* CONFIG_BE2NET_LANCER */ #ifdef CONFIG_BE2NET_SKYHAWK #define skyhawk_chip(adapter) (adapter->pdev->device == OC_DEVICE_ID5 || \ adapter->pdev->device == OC_DEVICE_ID6) #else #define skyhawk_chip(adapter) (0) #endif /* CONFIG_BE2NET_SKYHAWK */ #ifdef CONFIG_BE2NET_BE3 #define BE3_chip(adapter) (adapter->pdev->device == BE_DEVICE_ID2 || \ adapter->pdev->device == OC_DEVICE_ID2) #else #define BE3_chip(adapter) (0) #endif /* CONFIG_BE2NET_BE3 */ #ifdef CONFIG_BE2NET_BE2 #define BE2_chip(adapter) (adapter->pdev->device == BE_DEVICE_ID1 || \ adapter->pdev->device == OC_DEVICE_ID1) #else #define BE2_chip(adapter) (0) #endif /* CONFIG_BE2NET_BE2 */ #define BEx_chip(adapter) (BE3_chip(adapter) || BE2_chip(adapter)) #define be_roce_supported(adapter) (skyhawk_chip(adapter) && \ (adapter->function_mode & RDMA_ENABLED)) extern const struct ethtool_ops be_ethtool_ops; #define msix_enabled(adapter) (adapter->num_msix_vec > 0) #define num_irqs(adapter) (msix_enabled(adapter) ? \ adapter->num_msix_vec : 1) #define tx_stats(txo) (&(txo)->stats) #define rx_stats(rxo) (&(rxo)->stats) /* The default RXQ is the last RXQ */ #define default_rxo(adpt) (&adpt->rx_obj[adpt->num_rx_qs - 1]) #define for_all_rx_queues(adapter, rxo, i) \ for (i = 0, rxo = &adapter->rx_obj[i]; i < adapter->num_rx_qs; \ i++, rxo++) #define for_all_rss_queues(adapter, rxo, i) \ for (i = 0, rxo = &adapter->rx_obj[i]; i < adapter->num_rss_qs; \ i++, rxo++) #define for_all_tx_queues(adapter, txo, i) \ for (i = 0, txo = &adapter->tx_obj[i]; i < adapter->num_tx_qs; \ i++, txo++) #define for_all_evt_queues(adapter, eqo, i) \ for (i = 0, eqo = &adapter->eq_obj[i]; i < adapter->num_evt_qs; \ i++, eqo++) #define for_all_rx_queues_on_eq(adapter, eqo, rxo, i) \ for (i = eqo->idx, rxo = &adapter->rx_obj[i]; i < adapter->num_rx_qs;\ i += adapter->num_evt_qs, rxo += adapter->num_evt_qs) #define for_all_tx_queues_on_eq(adapter, eqo, txo, i) \ for (i = eqo->idx, txo = &adapter->tx_obj[i]; i < adapter->num_tx_qs;\ i += adapter->num_evt_qs, txo += adapter->num_evt_qs) #define is_mcc_eqo(eqo) (eqo->idx == 0) #define mcc_eqo(adapter) (&adapter->eq_obj[0]) #define PAGE_SHIFT_4K 12 #define PAGE_SIZE_4K (1 << PAGE_SHIFT_4K) /* Returns number of pages spanned by the data starting at the given addr */ #define PAGES_4K_SPANNED(_address, size) \ ((u32)((((size_t)(_address) & (PAGE_SIZE_4K - 1)) + \ (size) + (PAGE_SIZE_4K - 1)) >> PAGE_SHIFT_4K)) /* Returns bit offset within a DWORD of a bitfield */ #define AMAP_BIT_OFFSET(_struct, field) \ (((size_t)&(((_struct *)0)->field))%32) /* Returns the bit mask of the field that is NOT shifted into location. */ static inline u32 amap_mask(u32 bitsize) { return (bitsize == 32 ? 0xFFFFFFFF : (1 << bitsize) - 1); } static inline void amap_set(void *ptr, u32 dw_offset, u32 mask, u32 offset, u32 value) { u32 *dw = (u32 *) ptr + dw_offset; *dw &= ~(mask << offset); *dw |= (mask & value) << offset; } #define AMAP_SET_BITS(_struct, field, ptr, val) \ amap_set(ptr, \ offsetof(_struct, field)/32, \ amap_mask(sizeof(((_struct *)0)->field)), \ AMAP_BIT_OFFSET(_struct, field), \ val) static inline u32 amap_get(void *ptr, u32 dw_offset, u32 mask, u32 offset) { u32 *dw = (u32 *) ptr; return mask & (*(dw + dw_offset) >> offset); } #define AMAP_GET_BITS(_struct, field, ptr) \ amap_get(ptr, \ offsetof(_struct, field)/32, \ amap_mask(sizeof(((_struct *)0)->field)), \ AMAP_BIT_OFFSET(_struct, field)) #define GET_RX_COMPL_V0_BITS(field, ptr) \ AMAP_GET_BITS(struct amap_eth_rx_compl_v0, field, ptr) #define GET_RX_COMPL_V1_BITS(field, ptr) \ AMAP_GET_BITS(struct amap_eth_rx_compl_v1, field, ptr) #define GET_TX_COMPL_BITS(field, ptr) \ AMAP_GET_BITS(struct amap_eth_tx_compl, field, ptr) #define SET_TX_WRB_HDR_BITS(field, ptr, val) \ AMAP_SET_BITS(struct amap_eth_hdr_wrb, field, ptr, val) #define be_dws_cpu_to_le(wrb, len) swap_dws(wrb, len) #define be_dws_le_to_cpu(wrb, len) swap_dws(wrb, len) static inline void swap_dws(void *wrb, int len) { #ifdef __BIG_ENDIAN u32 *dw = wrb; BUG_ON(len % 4); do { *dw = cpu_to_le32(*dw); dw++; len -= 4; } while (len); #endif /* __BIG_ENDIAN */ } #define be_cmd_status(status) (status > 0 ? -EIO : status) static inline u8 is_tcp_pkt(struct sk_buff *skb) { u8 val = 0; if (ip_hdr(skb)->version == 4) val = (ip_hdr(skb)->protocol == IPPROTO_TCP); else if (ip_hdr(skb)->version == 6) val = (ipv6_hdr(skb)->nexthdr == NEXTHDR_TCP); return val; } static inline u8 is_udp_pkt(struct sk_buff *skb) { u8 val = 0; if (ip_hdr(skb)->version == 4) val = (ip_hdr(skb)->protocol == IPPROTO_UDP); else if (ip_hdr(skb)->version == 6) val = (ipv6_hdr(skb)->nexthdr == NEXTHDR_UDP); return val; } static inline bool is_ipv4_pkt(struct sk_buff *skb) { return skb->protocol == htons(ETH_P_IP) && ip_hdr(skb)->version == 4; } static inline bool is_ipv6_ext_hdr(struct sk_buff *skb) { if (ip_hdr(skb)->version == 6) return ipv6_ext_hdr(ipv6_hdr(skb)->nexthdr); else return false; } #define be_error_recovering(adapter) \ (adapter->flags & BE_FLAGS_TRY_RECOVERY) #define BE_ERROR_EEH 1 #define BE_ERROR_UE BIT(1) #define BE_ERROR_FW BIT(2) #define BE_ERROR_TX BIT(3) #define BE_ERROR_HW (BE_ERROR_EEH | BE_ERROR_UE | BE_ERROR_TX) #define BE_ERROR_ANY (BE_ERROR_EEH | BE_ERROR_UE | BE_ERROR_FW | \ BE_ERROR_TX) #define BE_CLEAR_ALL 0xFF static inline u8 be_check_error(struct be_adapter *adapter, u32 err_type) { return (adapter->err_flags & err_type); } static inline void be_set_error(struct be_adapter *adapter, int err_type) { struct net_device *netdev = adapter->netdev; adapter->err_flags |= err_type; netif_carrier_off(netdev); dev_info(&adapter->pdev->dev, "%s: Link down\n", netdev->name); } static inline void be_clear_error(struct be_adapter *adapter, int err_type) { adapter->err_flags &= ~err_type; } static inline bool be_multi_rxq(const struct be_adapter *adapter) { return adapter->num_rx_qs > 1; } void be_cq_notify(struct be_adapter *adapter, u16 qid, bool arm, u16 num_popped); void be_link_status_update(struct be_adapter *adapter, u8 link_status); void be_parse_stats(struct be_adapter *adapter); int be_load_fw(struct be_adapter *adapter, u8 *func); bool be_is_wol_supported(struct be_adapter *adapter); bool be_pause_supported(struct be_adapter *adapter); u32 be_get_fw_log_level(struct be_adapter *adapter); int be_update_queues(struct be_adapter *adapter); int be_poll(struct napi_struct *napi, int budget); void be_eqd_update(struct be_adapter *adapter, bool force_update); /* * internal function to initialize-cleanup roce device. */ void be_roce_dev_add(struct be_adapter *); void be_roce_dev_remove(struct be_adapter *); /* * internal function to open-close roce device during ifup-ifdown. */ void be_roce_dev_shutdown(struct be_adapter *); #endif /* BE_H */