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1/* SPDX-License-Identifier: GPL-2.0-only */2/*3 * Copyright (C) 2005 - 2016 Broadcom4 * All rights reserved.5 *6 * Contact Information:7 * linux-drivers@emulex.com8 *9 * Emulex10 * 3333 Susan Street11 * Costa Mesa, CA 9262612 */13 14#ifndef BE_H15#define BE_H16 17#include <linux/pci.h>18#include <linux/etherdevice.h>19#include <linux/delay.h>20#include <net/tcp.h>21#include <net/ip.h>22#include <net/ipv6.h>23#include <linux/if_vlan.h>24#include <linux/workqueue.h>25#include <linux/interrupt.h>26#include <linux/firmware.h>27#include <linux/slab.h>28#include <linux/u64_stats_sync.h>29#include <linux/cpumask.h>30#include <linux/hwmon.h>31#include <linux/hwmon-sysfs.h>32 33#include "be_hw.h"34#include "be_roce.h"35 36#define DRV_NAME "be2net"37#define BE_NAME "Emulex BladeEngine2"38#define BE3_NAME "Emulex BladeEngine3"39#define OC_NAME "Emulex OneConnect"40#define OC_NAME_BE OC_NAME "(be3)"41#define OC_NAME_LANCER OC_NAME "(Lancer)"42#define OC_NAME_SH OC_NAME "(Skyhawk)"43#define DRV_DESC "Emulex OneConnect NIC Driver"44 45#define BE_VENDOR_ID 0x19a246#define EMULEX_VENDOR_ID 0x10df47#define BE_DEVICE_ID1 0x21148#define BE_DEVICE_ID2 0x22149#define OC_DEVICE_ID1 0x700 /* Device Id for BE2 cards */50#define OC_DEVICE_ID2 0x710 /* Device Id for BE3 cards */51#define OC_DEVICE_ID3 0xe220 /* Device id for Lancer cards */52#define OC_DEVICE_ID4 0xe228 /* Device id for VF in Lancer */53#define OC_DEVICE_ID5 0x720 /* Device Id for Skyhawk cards */54#define OC_DEVICE_ID6 0x728 /* Device id for VF in SkyHawk */55#define OC_SUBSYS_DEVICE_ID1 0xE60256#define OC_SUBSYS_DEVICE_ID2 0xE64257#define OC_SUBSYS_DEVICE_ID3 0xE61258#define OC_SUBSYS_DEVICE_ID4 0xE65259 60/* Number of bytes of an RX frame that are copied to skb->data */61#define BE_HDR_LEN ((u16) 64)62/* allocate extra space to allow tunneling decapsulation without head reallocation */63#define BE_RX_SKB_ALLOC_SIZE 25664 65#define BE_MAX_JUMBO_FRAME_SIZE 901866#define BE_MIN_MTU 25667#define BE_MAX_MTU (BE_MAX_JUMBO_FRAME_SIZE - \68 (ETH_HLEN + ETH_FCS_LEN))69 70/* Accommodate for QnQ configurations where VLAN insertion is enabled in HW */71#define BE_MAX_GSO_SIZE (65535 - 2 * VLAN_HLEN)72 73#define BE_NUM_VLANS_SUPPORTED 6474#define BE_MAX_EQD 128u75#define BE_MAX_TX_FRAG_COUNT 3076 77#define EVNT_Q_LEN 102478#define TX_Q_LEN 204879#define TX_CQ_LEN 102480#define RX_Q_LEN 1024 /* Does not support any other value */81#define RX_CQ_LEN 102482#define MCC_Q_LEN 128 /* total size not to exceed 8 pages */83#define MCC_CQ_LEN 25684 85#define BE2_MAX_RSS_QS 486#define BE3_MAX_RSS_QS 1687#define BE3_MAX_TX_QS 1688#define BE3_MAX_EVT_QS 1689#define BE3_SRIOV_MAX_EVT_QS 890#define SH_VF_MAX_NIC_EQS 3 /* Skyhawk VFs can have a max of 4 EQs91 * and at least 1 is granted to either92 * SURF/DPDK93 */94 95#define MAX_PORT_RSS_TABLES 1596#define MAX_NIC_FUNCS 1697#define MAX_RX_QS 3298#define MAX_EVT_QS 3299#define MAX_TX_QS 32100 101#define MAX_ROCE_EQS 5102#define MAX_MSIX_VECTORS 32103#define MIN_MSIX_VECTORS 1104#define MAX_RX_POST NAPI_POLL_WEIGHT /* Frags posted at a time */105#define RX_FRAGS_REFILL_WM (RX_Q_LEN - MAX_RX_POST)106#define MAX_NUM_POST_ERX_DB 255u107 108#define MAX_VFS 30 /* Max VFs supported by BE3 FW */109#define FW_VER_LEN 32110#define CNTL_SERIAL_NUM_WORDS 8 /* Controller serial number words */111#define CNTL_SERIAL_NUM_WORD_SZ (sizeof(u16)) /* Byte-sz of serial num word */112 113#define RSS_INDIR_TABLE_LEN 128114#define RSS_HASH_KEY_LEN 40115 116#define BE_UNKNOWN_PHY_STATE 0xFF117 118struct be_dma_mem {119 void *va;120 dma_addr_t dma;121 u32 size;122};123 124struct be_queue_info {125 u32 len;126 u32 entry_size; /* Size of an element in the queue */127 u32 tail, head;128 atomic_t used; /* Number of valid elements in the queue */129 u32 id;130 struct be_dma_mem dma_mem;131 bool created;132};133 134static inline u32 MODULO(u32 val, u32 limit)135{136 BUG_ON(limit & (limit - 1));137 return val & (limit - 1);138}139 140static inline void index_adv(u32 *index, u32 val, u32 limit)141{142 *index = MODULO((*index + val), limit);143}144 145static inline void index_inc(u32 *index, u32 limit)146{147 *index = MODULO((*index + 1), limit);148}149 150static inline void *queue_head_node(struct be_queue_info *q)151{152 return q->dma_mem.va + q->head * q->entry_size;153}154 155static inline void *queue_tail_node(struct be_queue_info *q)156{157 return q->dma_mem.va + q->tail * q->entry_size;158}159 160static inline void *queue_index_node(struct be_queue_info *q, u16 index)161{162 return q->dma_mem.va + index * q->entry_size;163}164 165static inline void queue_head_inc(struct be_queue_info *q)166{167 index_inc(&q->head, q->len);168}169 170static inline void index_dec(u32 *index, u32 limit)171{172 *index = MODULO((*index - 1), limit);173}174 175static inline void queue_tail_inc(struct be_queue_info *q)176{177 index_inc(&q->tail, q->len);178}179 180struct be_eq_obj {181 struct be_queue_info q;182 char desc[32];183 184 struct be_adapter *adapter;185 struct napi_struct napi;186 u8 idx; /* array index */187 u8 msix_idx;188 u16 spurious_intr;189 cpumask_var_t affinity_mask;190} ____cacheline_aligned_in_smp;191 192struct be_aic_obj { /* Adaptive interrupt coalescing (AIC) info */193 u32 min_eqd; /* in usecs */194 u32 max_eqd; /* in usecs */195 u32 prev_eqd; /* in usecs */196 u32 et_eqd; /* configured val when aic is off */197 ulong jiffies;198 u64 rx_pkts_prev; /* Used to calculate RX pps */199 u64 tx_reqs_prev; /* Used to calculate TX pps */200};201 202struct be_mcc_obj {203 struct be_queue_info q;204 struct be_queue_info cq;205 bool rearm_cq;206};207 208struct be_tx_stats {209 u64 tx_bytes;210 u64 tx_pkts;211 u64 tx_vxlan_offload_pkts;212 u64 tx_reqs;213 u64 tx_compl;214 u32 tx_stops;215 u32 tx_drv_drops; /* pkts dropped by driver */216 /* the error counters are described in be_ethtool.c */217 u32 tx_hdr_parse_err;218 u32 tx_dma_err;219 u32 tx_tso_err;220 u32 tx_spoof_check_err;221 u32 tx_qinq_err;222 u32 tx_internal_parity_err;223 u32 tx_sge_err;224 struct u64_stats_sync sync;225 struct u64_stats_sync sync_compl;226};227 228/* Structure to hold some data of interest obtained from a TX CQE */229struct be_tx_compl_info {230 u8 status; /* Completion status */231 u16 end_index; /* Completed TXQ Index */232};233 234struct be_tx_obj {235 u32 db_offset;236 struct be_tx_compl_info txcp;237 struct be_queue_info q;238 struct be_queue_info cq;239 /* Remember the skbs that were transmitted */240 struct sk_buff *sent_skb_list[TX_Q_LEN];241 struct be_tx_stats stats;242 u16 pend_wrb_cnt; /* Number of WRBs yet to be given to HW */243 u16 last_req_wrb_cnt; /* wrb cnt of the last req in the Q */244 u16 last_req_hdr; /* index of the last req's hdr-wrb */245} ____cacheline_aligned_in_smp;246 247/* Struct to remember the pages posted for rx frags */248struct be_rx_page_info {249 struct page *page;250 /* set to page-addr for last frag of the page & frag-addr otherwise */251 DEFINE_DMA_UNMAP_ADDR(bus);252 u16 page_offset;253 bool last_frag; /* last frag of the page */254};255 256struct be_rx_stats {257 u64 rx_bytes;258 u64 rx_pkts;259 u64 rx_vxlan_offload_pkts;260 u32 rx_drops_no_skbs; /* skb allocation errors */261 u32 rx_drops_no_frags; /* HW has no fetched frags */262 u32 rx_post_fail; /* page post alloc failures */263 u32 rx_compl;264 u32 rx_mcast_pkts;265 u32 rx_compl_err; /* completions with err set */266 struct u64_stats_sync sync;267};268 269struct be_rx_compl_info {270 u32 rss_hash;271 u16 vlan_tag;272 u16 pkt_size;273 u16 port;274 u8 vlanf;275 u8 num_rcvd;276 u8 err;277 u8 ipf;278 u8 tcpf;279 u8 udpf;280 u8 ip_csum;281 u8 l4_csum;282 u8 ipv6;283 u8 qnq;284 u8 pkt_type;285 u8 ip_frag;286 u8 tunneled;287};288 289struct be_rx_obj {290 struct be_adapter *adapter;291 struct be_queue_info q;292 struct be_queue_info cq;293 struct be_rx_compl_info rxcp;294 struct be_rx_page_info page_info_tbl[RX_Q_LEN];295 struct be_rx_stats stats;296 u8 rss_id;297 bool rx_post_starved; /* Zero rx frags have been posted to BE */298} ____cacheline_aligned_in_smp;299 300struct be_drv_stats {301 u32 eth_red_drops;302 u32 dma_map_errors;303 u32 rx_drops_no_pbuf;304 u32 rx_drops_no_txpb;305 u32 rx_drops_no_erx_descr;306 u32 rx_drops_no_tpre_descr;307 u32 rx_drops_too_many_frags;308 u32 forwarded_packets;309 u32 rx_drops_mtu;310 u32 rx_crc_errors;311 u32 rx_alignment_symbol_errors;312 u32 rx_pause_frames;313 u32 rx_priority_pause_frames;314 u32 rx_control_frames;315 u32 rx_in_range_errors;316 u32 rx_out_range_errors;317 u32 rx_frame_too_long;318 u32 rx_address_filtered;319 u32 rx_dropped_too_small;320 u32 rx_dropped_too_short;321 u32 rx_dropped_header_too_small;322 u32 rx_dropped_tcp_length;323 u32 rx_dropped_runt;324 u32 rx_ip_checksum_errs;325 u32 rx_tcp_checksum_errs;326 u32 rx_udp_checksum_errs;327 u32 tx_pauseframes;328 u32 tx_priority_pauseframes;329 u32 tx_controlframes;330 u32 rxpp_fifo_overflow_drop;331 u32 rx_input_fifo_overflow_drop;332 u32 pmem_fifo_overflow_drop;333 u32 jabber_events;334 u32 rx_roce_bytes_lsd;335 u32 rx_roce_bytes_msd;336 u32 rx_roce_frames;337 u32 roce_drops_payload_len;338 u32 roce_drops_crc;339};340 341/* A vlan-id of 0xFFFF must be used to clear transparent vlan-tagging */342#define BE_RESET_VLAN_TAG_ID 0xFFFF343 344struct be_vf_cfg {345 unsigned char mac_addr[ETH_ALEN];346 int if_handle;347 int pmac_id;348 u16 vlan_tag;349 u32 tx_rate;350 u32 plink_tracking;351 u32 privileges;352 bool spoofchk;353};354 355enum vf_state {356 ENABLED = 0,357 ASSIGNED = 1358};359 360#define BE_FLAGS_LINK_STATUS_INIT BIT(1)361#define BE_FLAGS_SRIOV_ENABLED BIT(2)362#define BE_FLAGS_WORKER_SCHEDULED BIT(3)363#define BE_FLAGS_NAPI_ENABLED BIT(6)364#define BE_FLAGS_QNQ_ASYNC_EVT_RCVD BIT(7)365#define BE_FLAGS_VXLAN_OFFLOADS BIT(8)366#define BE_FLAGS_SETUP_DONE BIT(9)367#define BE_FLAGS_PHY_MISCONFIGURED BIT(10)368#define BE_FLAGS_ERR_DETECTION_SCHEDULED BIT(11)369#define BE_FLAGS_OS2BMC BIT(12)370#define BE_FLAGS_TRY_RECOVERY BIT(13)371 372#define BE_UC_PMAC_COUNT 30373#define BE_VF_UC_PMAC_COUNT 2374 375#define MAX_ERR_RECOVERY_RETRY_COUNT 3376#define ERR_DETECTION_DELAY 1000377 378/* Ethtool set_dump flags */379#define LANCER_INITIATE_FW_DUMP 0x1380#define LANCER_DELETE_FW_DUMP 0x2381 382struct phy_info {383/* From SFF-8472 spec */384#define SFP_VENDOR_NAME_LEN 17385 u8 transceiver;386 u8 autoneg;387 u8 fc_autoneg;388 u8 port_type;389 u16 phy_type;390 u16 interface_type;391 u32 misc_params;392 u16 auto_speeds_supported;393 u16 fixed_speeds_supported;394 int link_speed;395 u32 advertising;396 u32 supported;397 u8 cable_type;398 u8 vendor_name[SFP_VENDOR_NAME_LEN];399 u8 vendor_pn[SFP_VENDOR_NAME_LEN];400};401 402struct be_resources {403 u16 max_vfs; /* Total VFs "really" supported by FW/HW */404 u16 max_mcast_mac;405 u16 max_tx_qs;406 u16 max_rss_qs;407 u16 max_rx_qs;408 u16 max_cq_count;409 u16 max_uc_mac; /* Max UC MACs programmable */410 u16 max_vlans; /* Number of vlans supported */411 u16 max_iface_count;412 u16 max_mcc_count;413 u16 max_evt_qs;414 u16 max_nic_evt_qs; /* NIC's share of evt qs */415 u32 if_cap_flags;416 u32 vf_if_cap_flags; /* VF if capability flags */417 u32 flags;418 /* Calculated PF Pool's share of RSS Tables. This is not enforced by419 * the FW, but is a self-imposed driver limitation.420 */421 u16 max_rss_tables;422};423 424/* These are port-wide values */425struct be_port_resources {426 u16 max_vfs;427 u16 nic_pfs;428};429 430#define be_is_os2bmc_enabled(adapter) (adapter->flags & BE_FLAGS_OS2BMC)431 432struct rss_info {433 u8 rsstable[RSS_INDIR_TABLE_LEN];434 u8 rss_queue[RSS_INDIR_TABLE_LEN];435 u8 rss_hkey[RSS_HASH_KEY_LEN];436 u64 rss_flags;437};438 439#define BE_INVALID_DIE_TEMP 0xFF440struct be_hwmon {441 struct device *hwmon_dev;442 u8 be_on_die_temp; /* Unit: millidegree Celsius */443};444 445/* Macros to read/write the 'features' word of be_wrb_params structure.446 */447#define BE_WRB_F_BIT(name) BE_WRB_F_##name##_BIT448#define BE_WRB_F_MASK(name) BIT_MASK(BE_WRB_F_##name##_BIT)449 450#define BE_WRB_F_GET(word, name) \451 (((word) & (BE_WRB_F_MASK(name))) >> BE_WRB_F_BIT(name))452 453#define BE_WRB_F_SET(word, name, val) \454 ((word) |= (((val) << BE_WRB_F_BIT(name)) & BE_WRB_F_MASK(name)))455 456/* Feature/offload bits */457enum {458 BE_WRB_F_CRC_BIT, /* Ethernet CRC */459 BE_WRB_F_IPCS_BIT, /* IP csum */460 BE_WRB_F_TCPCS_BIT, /* TCP csum */461 BE_WRB_F_UDPCS_BIT, /* UDP csum */462 BE_WRB_F_LSO_BIT, /* LSO */463 BE_WRB_F_LSO6_BIT, /* LSO6 */464 BE_WRB_F_VLAN_BIT, /* VLAN */465 BE_WRB_F_VLAN_SKIP_HW_BIT, /* Skip VLAN tag (workaround) */466 BE_WRB_F_OS2BMC_BIT /* Send packet to the management ring */467};468 469/* The structure below provides a HW-agnostic abstraction of WRB params470 * retrieved from a TX skb. This is in turn passed to chip specific routines471 * during transmit, to set the corresponding params in the WRB.472 */473struct be_wrb_params {474 u32 features; /* Feature bits */475 u16 vlan_tag; /* VLAN tag */476 u16 lso_mss; /* MSS for LSO */477};478 479struct be_eth_addr {480 unsigned char mac[ETH_ALEN];481};482 483#define BE_SEC 1000 /* in msec */484#define BE_MIN (60 * BE_SEC) /* in msec */485#define BE_HOUR (60 * BE_MIN) /* in msec */486 487#define ERR_RECOVERY_MAX_RETRY_COUNT 3488#define ERR_RECOVERY_DETECTION_DELAY BE_SEC489#define ERR_RECOVERY_RETRY_DELAY (30 * BE_SEC)490 491/* UE-detection-duration in BEx/Skyhawk:492 * All PFs must wait for this duration after they detect UE before reading493 * SLIPORT_SEMAPHORE register. At the end of this duration, the Firmware494 * guarantees that the SLIPORT_SEMAPHORE register is updated to indicate495 * if the UE is recoverable.496 */497#define ERR_RECOVERY_UE_DETECT_DURATION BE_SEC498 499/* Initial idle time (in msec) to elapse after driver load,500 * before UE recovery is allowed.501 */502#define ERR_IDLE_HR 24503#define ERR_RECOVERY_IDLE_TIME (ERR_IDLE_HR * BE_HOUR)504 505/* Time interval (in msec) after which UE recovery can be repeated */506#define ERR_INTERVAL_HR 72507#define ERR_RECOVERY_INTERVAL (ERR_INTERVAL_HR * BE_HOUR)508 509/* BEx/SH UE recovery state machine */510enum {511 ERR_RECOVERY_ST_NONE = 0, /* No Recovery */512 ERR_RECOVERY_ST_DETECT = 1, /* UE detection duration */513 ERR_RECOVERY_ST_RESET = 2, /* Reset Phase (PF0 only) */514 ERR_RECOVERY_ST_PRE_POLL = 3, /* Pre-Poll Phase (all PFs) */515 ERR_RECOVERY_ST_REINIT = 4 /* Re-initialize Phase */516};517 518struct be_error_recovery {519 union {520 u8 recovery_retries; /* used for Lancer */521 u8 recovery_state; /* used for BEx and Skyhawk */522 };523 524 /* BEx/Skyhawk error recovery variables */525 bool recovery_supported;526 u16 ue_to_reset_time; /* Time after UE, to soft reset527 * the chip - PF0 only528 */529 u16 ue_to_poll_time; /* Time after UE, to Restart Polling530 * of SLIPORT_SEMAPHORE reg531 */532 u16 last_err_code;533 unsigned long probe_time;534 unsigned long last_recovery_time;535 536 /* Common to both Lancer & BEx/SH error recovery */537 u32 resched_delay;538 struct delayed_work err_detection_work;539};540 541/* Ethtool priv_flags */542#define BE_DISABLE_TPE_RECOVERY 0x1543 544struct be_vxlan_port {545 struct list_head list;546 __be16 port; /* VxLAN UDP dst port */547 int port_aliases; /* alias count */548};549 550struct be_adapter {551 struct pci_dev *pdev;552 struct net_device *netdev;553 554 u8 __iomem *csr; /* CSR BAR used only for BE2/3 */555 u8 __iomem *db; /* Door Bell */556 u8 __iomem *pcicfg; /* On SH,BEx only. Shadow of PCI config space */557 558 struct mutex mbox_lock; /* For serializing mbox cmds to BE card */559 struct be_dma_mem mbox_mem;560 /* Mbox mem is adjusted to align to 16 bytes. The allocated addr561 * is stored for freeing purpose */562 struct be_dma_mem mbox_mem_alloced;563 564 struct be_mcc_obj mcc_obj;565 struct mutex mcc_lock; /* For serializing mcc cmds to BE card */566 spinlock_t mcc_cq_lock;567 568 u16 cfg_num_rx_irqs; /* configured via set-channels */569 u16 cfg_num_tx_irqs; /* configured via set-channels */570 u16 num_evt_qs;571 u16 num_msix_vec;572 struct be_eq_obj eq_obj[MAX_EVT_QS];573 struct msix_entry msix_entries[MAX_MSIX_VECTORS];574 bool isr_registered;575 576 /* TX Rings */577 u16 num_tx_qs;578 struct be_tx_obj tx_obj[MAX_TX_QS];579 580 /* Rx rings */581 u16 num_rx_qs;582 u16 num_rss_qs;583 u16 need_def_rxq;584 struct be_rx_obj rx_obj[MAX_RX_QS];585 u32 big_page_size; /* Compounded page size shared by rx wrbs */586 587 struct be_drv_stats drv_stats;588 struct be_aic_obj aic_obj[MAX_EVT_QS];589 bool aic_enabled;590 u8 vlan_prio_bmap; /* Available Priority BitMap */591 u16 recommended_prio_bits;/* Recommended Priority bits in vlan tag */592 struct be_dma_mem rx_filter; /* Cmd DMA mem for rx-filter */593 594 struct be_dma_mem stats_cmd;595 /* Work queue used to perform periodic tasks like getting statistics */596 struct delayed_work work;597 u16 work_counter;598 599 u8 recovery_retries;600 u8 err_flags;601 bool pcicfg_mapped; /* pcicfg obtained via pci_iomap() */602 u32 flags;603 u32 cmd_privileges;604 /* Ethtool knobs and info */605 char fw_ver[FW_VER_LEN];606 char fw_on_flash[FW_VER_LEN];607 608 /* IFACE filtering fields */609 int if_handle; /* Used to configure filtering */610 u32 if_flags; /* Interface filtering flags */611 u32 *pmac_id; /* MAC addr handle used by BE card */612 struct be_eth_addr *uc_list;/* list of uc-addrs programmed (not perm) */613 u32 uc_macs; /* Count of secondary UC MAC programmed */614 struct be_eth_addr *mc_list;/* list of mcast addrs programmed */615 u32 mc_count;616 unsigned long vids[BITS_TO_LONGS(VLAN_N_VID)];617 u16 vlans_added;618 bool update_uc_list;619 bool update_mc_list;620 struct mutex rx_filter_lock;/* For protecting vids[] & mc/uc_list[] */621 622 u32 beacon_state; /* for set_phys_id */623 624 u32 port_num;625 char port_name;626 u8 mc_type;627 u32 function_mode;628 u32 function_caps;629 u32 rx_fc; /* Rx flow control */630 u32 tx_fc; /* Tx flow control */631 bool stats_cmd_sent;632 struct {633 u32 size;634 u32 total_size;635 u64 io_addr;636 } roce_db;637 u32 num_msix_roce_vec;638 struct ocrdma_dev *ocrdma_dev;639 struct list_head entry;640 641 u32 flash_status;642 struct completion et_cmd_compl;643 644 struct be_resources pool_res; /* resources available for the port */645 struct be_resources res; /* resources available for the func */646 u16 num_vfs; /* Number of VFs provisioned by PF */647 u8 pf_num; /* Numbering used by FW, starts at 0 */648 u8 vf_num; /* Numbering used by FW, starts at 1 */649 u8 virtfn;650 struct be_vf_cfg *vf_cfg;651 bool be3_native;652 u32 sli_family;653 u8 hba_port_num;654 u16 pvid;655 __be16 vxlan_port; /* offloaded vxlan port num */656 struct phy_info phy;657 u8 wol_cap;658 bool wol_en;659 u16 asic_rev;660 u16 qnq_vid;661 u32 msg_enable;662 int be_get_temp_freq;663 struct be_hwmon hwmon_info;664 struct rss_info rss_info;665 /* Filters for packets that need to be sent to BMC */666 u32 bmc_filt_mask;667 u32 fat_dump_len;668 u16 serial_num[CNTL_SERIAL_NUM_WORDS];669 u8 phy_state; /* state of sfp optics (functional, faulted, etc.,) */670 u8 dev_mac[ETH_ALEN];671 u32 priv_flags; /* ethtool get/set_priv_flags() */672 struct be_error_recovery error_recovery;673};674 675/* Used for defered FW config cmds. Add fields to this struct as reqd */676struct be_cmd_work {677 struct work_struct work;678 struct be_adapter *adapter;679};680 681#define be_physfn(adapter) (!adapter->virtfn)682#define be_virtfn(adapter) (adapter->virtfn)683#define sriov_enabled(adapter) (adapter->flags & \684 BE_FLAGS_SRIOV_ENABLED)685 686#define for_all_vfs(adapter, vf_cfg, i) \687 for (i = 0, vf_cfg = &adapter->vf_cfg[i]; i < adapter->num_vfs; \688 i++, vf_cfg++)689 690#define ON 1691#define OFF 0692 693#define be_max_vlans(adapter) (adapter->res.max_vlans)694#define be_max_uc(adapter) (adapter->res.max_uc_mac)695#define be_max_mc(adapter) (adapter->res.max_mcast_mac)696#define be_max_vfs(adapter) (adapter->pool_res.max_vfs)697#define be_max_rss(adapter) (adapter->res.max_rss_qs)698#define be_max_txqs(adapter) (adapter->res.max_tx_qs)699#define be_max_prio_txqs(adapter) (adapter->res.max_prio_tx_qs)700#define be_max_rxqs(adapter) (adapter->res.max_rx_qs)701/* Max number of EQs available for the function (NIC + RoCE (if enabled)) */702#define be_max_func_eqs(adapter) (adapter->res.max_evt_qs)703/* Max number of EQs available avaialble only for NIC */704#define be_max_nic_eqs(adapter) (adapter->res.max_nic_evt_qs)705#define be_if_cap_flags(adapter) (adapter->res.if_cap_flags)706#define be_max_pf_pool_rss_tables(adapter) \707 (adapter->pool_res.max_rss_tables)708/* Max irqs avaialble for NIC */709#define be_max_irqs(adapter) \710 (min_t(u16, be_max_nic_eqs(adapter), num_online_cpus()))711 712/* Max irqs *needed* for RX queues */713static inline u16 be_max_rx_irqs(struct be_adapter *adapter)714{715 /* If no RSS, need atleast one irq for def-RXQ */716 u16 num = max_t(u16, be_max_rss(adapter), 1);717 718 return min_t(u16, num, be_max_irqs(adapter));719}720 721/* Max irqs *needed* for TX queues */722static inline u16 be_max_tx_irqs(struct be_adapter *adapter)723{724 return min_t(u16, be_max_txqs(adapter), be_max_irqs(adapter));725}726 727/* Max irqs *needed* for combined queues */728static inline u16 be_max_qp_irqs(struct be_adapter *adapter)729{730 return min(be_max_tx_irqs(adapter), be_max_rx_irqs(adapter));731}732 733/* Max irqs *needed* for RX and TX queues together */734static inline u16 be_max_any_irqs(struct be_adapter *adapter)735{736 return max(be_max_tx_irqs(adapter), be_max_rx_irqs(adapter));737}738 739/* Is BE in pvid_tagging mode */740#define be_pvid_tagging_enabled(adapter) (adapter->pvid)741 742/* Is BE in QNQ multi-channel mode */743#define be_is_qnq_mode(adapter) (adapter->function_mode & QNQ_MODE)744 745#ifdef CONFIG_BE2NET_LANCER746#define lancer_chip(adapter) (adapter->pdev->device == OC_DEVICE_ID3 || \747 adapter->pdev->device == OC_DEVICE_ID4)748#else749#define lancer_chip(adapter) (0)750#endif /* CONFIG_BE2NET_LANCER */751 752#ifdef CONFIG_BE2NET_SKYHAWK753#define skyhawk_chip(adapter) (adapter->pdev->device == OC_DEVICE_ID5 || \754 adapter->pdev->device == OC_DEVICE_ID6)755#else756#define skyhawk_chip(adapter) (0)757#endif /* CONFIG_BE2NET_SKYHAWK */758 759#ifdef CONFIG_BE2NET_BE3760#define BE3_chip(adapter) (adapter->pdev->device == BE_DEVICE_ID2 || \761 adapter->pdev->device == OC_DEVICE_ID2)762#else763#define BE3_chip(adapter) (0)764#endif /* CONFIG_BE2NET_BE3 */765 766#ifdef CONFIG_BE2NET_BE2767#define BE2_chip(adapter) (adapter->pdev->device == BE_DEVICE_ID1 || \768 adapter->pdev->device == OC_DEVICE_ID1)769#else770#define BE2_chip(adapter) (0)771#endif /* CONFIG_BE2NET_BE2 */772 773#define BEx_chip(adapter) (BE3_chip(adapter) || BE2_chip(adapter))774 775#define be_roce_supported(adapter) (skyhawk_chip(adapter) && \776 (adapter->function_mode & RDMA_ENABLED))777 778extern const struct ethtool_ops be_ethtool_ops;779 780#define msix_enabled(adapter) (adapter->num_msix_vec > 0)781#define num_irqs(adapter) (msix_enabled(adapter) ? \782 adapter->num_msix_vec : 1)783#define tx_stats(txo) (&(txo)->stats)784#define rx_stats(rxo) (&(rxo)->stats)785 786/* The default RXQ is the last RXQ */787#define default_rxo(adpt) (&adpt->rx_obj[adpt->num_rx_qs - 1])788 789#define for_all_rx_queues(adapter, rxo, i) \790 for (i = 0, rxo = &adapter->rx_obj[i]; i < adapter->num_rx_qs; \791 i++, rxo++)792 793#define for_all_rss_queues(adapter, rxo, i) \794 for (i = 0, rxo = &adapter->rx_obj[i]; i < adapter->num_rss_qs; \795 i++, rxo++)796 797#define for_all_tx_queues(adapter, txo, i) \798 for (i = 0, txo = &adapter->tx_obj[i]; i < adapter->num_tx_qs; \799 i++, txo++)800 801#define for_all_evt_queues(adapter, eqo, i) \802 for (i = 0, eqo = &adapter->eq_obj[i]; i < adapter->num_evt_qs; \803 i++, eqo++)804 805#define for_all_rx_queues_on_eq(adapter, eqo, rxo, i) \806 for (i = eqo->idx, rxo = &adapter->rx_obj[i]; i < adapter->num_rx_qs;\807 i += adapter->num_evt_qs, rxo += adapter->num_evt_qs)808 809#define for_all_tx_queues_on_eq(adapter, eqo, txo, i) \810 for (i = eqo->idx, txo = &adapter->tx_obj[i]; i < adapter->num_tx_qs;\811 i += adapter->num_evt_qs, txo += adapter->num_evt_qs)812 813#define is_mcc_eqo(eqo) (eqo->idx == 0)814#define mcc_eqo(adapter) (&adapter->eq_obj[0])815 816#define PAGE_SHIFT_4K 12817#define PAGE_SIZE_4K (1 << PAGE_SHIFT_4K)818 819/* Returns number of pages spanned by the data starting at the given addr */820#define PAGES_4K_SPANNED(_address, size) \821 ((u32)((((size_t)(_address) & (PAGE_SIZE_4K - 1)) + \822 (size) + (PAGE_SIZE_4K - 1)) >> PAGE_SHIFT_4K))823 824/* Returns bit offset within a DWORD of a bitfield */825#define AMAP_BIT_OFFSET(_struct, field) \826 (((size_t)&(((_struct *)0)->field))%32)827 828/* Returns the bit mask of the field that is NOT shifted into location. */829static inline u32 amap_mask(u32 bitsize)830{831 return (bitsize == 32 ? 0xFFFFFFFF : (1 << bitsize) - 1);832}833 834static inline void835amap_set(void *ptr, u32 dw_offset, u32 mask, u32 offset, u32 value)836{837 u32 *dw = (u32 *) ptr + dw_offset;838 *dw &= ~(mask << offset);839 *dw |= (mask & value) << offset;840}841 842#define AMAP_SET_BITS(_struct, field, ptr, val) \843 amap_set(ptr, \844 offsetof(_struct, field)/32, \845 amap_mask(sizeof(((_struct *)0)->field)), \846 AMAP_BIT_OFFSET(_struct, field), \847 val)848 849static inline u32 amap_get(void *ptr, u32 dw_offset, u32 mask, u32 offset)850{851 u32 *dw = (u32 *) ptr;852 return mask & (*(dw + dw_offset) >> offset);853}854 855#define AMAP_GET_BITS(_struct, field, ptr) \856 amap_get(ptr, \857 offsetof(_struct, field)/32, \858 amap_mask(sizeof(((_struct *)0)->field)), \859 AMAP_BIT_OFFSET(_struct, field))860 861#define GET_RX_COMPL_V0_BITS(field, ptr) \862 AMAP_GET_BITS(struct amap_eth_rx_compl_v0, field, ptr)863 864#define GET_RX_COMPL_V1_BITS(field, ptr) \865 AMAP_GET_BITS(struct amap_eth_rx_compl_v1, field, ptr)866 867#define GET_TX_COMPL_BITS(field, ptr) \868 AMAP_GET_BITS(struct amap_eth_tx_compl, field, ptr)869 870#define SET_TX_WRB_HDR_BITS(field, ptr, val) \871 AMAP_SET_BITS(struct amap_eth_hdr_wrb, field, ptr, val)872 873#define be_dws_cpu_to_le(wrb, len) swap_dws(wrb, len)874#define be_dws_le_to_cpu(wrb, len) swap_dws(wrb, len)875static inline void swap_dws(void *wrb, int len)876{877#ifdef __BIG_ENDIAN878 u32 *dw = wrb;879 BUG_ON(len % 4);880 do {881 *dw = cpu_to_le32(*dw);882 dw++;883 len -= 4;884 } while (len);885#endif /* __BIG_ENDIAN */886}887 888#define be_cmd_status(status) (status > 0 ? -EIO : status)889 890static inline u8 is_tcp_pkt(struct sk_buff *skb)891{892 u8 val = 0;893 894 if (ip_hdr(skb)->version == 4)895 val = (ip_hdr(skb)->protocol == IPPROTO_TCP);896 else if (ip_hdr(skb)->version == 6)897 val = (ipv6_hdr(skb)->nexthdr == NEXTHDR_TCP);898 899 return val;900}901 902static inline u8 is_udp_pkt(struct sk_buff *skb)903{904 u8 val = 0;905 906 if (ip_hdr(skb)->version == 4)907 val = (ip_hdr(skb)->protocol == IPPROTO_UDP);908 else if (ip_hdr(skb)->version == 6)909 val = (ipv6_hdr(skb)->nexthdr == NEXTHDR_UDP);910 911 return val;912}913 914static inline bool is_ipv4_pkt(struct sk_buff *skb)915{916 return skb->protocol == htons(ETH_P_IP) && ip_hdr(skb)->version == 4;917}918 919static inline bool is_ipv6_ext_hdr(struct sk_buff *skb)920{921 if (ip_hdr(skb)->version == 6)922 return ipv6_ext_hdr(ipv6_hdr(skb)->nexthdr);923 else924 return false;925}926 927#define be_error_recovering(adapter) \928 (adapter->flags & BE_FLAGS_TRY_RECOVERY)929 930#define BE_ERROR_EEH 1931#define BE_ERROR_UE BIT(1)932#define BE_ERROR_FW BIT(2)933#define BE_ERROR_TX BIT(3)934#define BE_ERROR_HW (BE_ERROR_EEH | BE_ERROR_UE | BE_ERROR_TX)935#define BE_ERROR_ANY (BE_ERROR_EEH | BE_ERROR_UE | BE_ERROR_FW | \936 BE_ERROR_TX)937#define BE_CLEAR_ALL 0xFF938 939static inline u8 be_check_error(struct be_adapter *adapter, u32 err_type)940{941 return (adapter->err_flags & err_type);942}943 944static inline void be_set_error(struct be_adapter *adapter, int err_type)945{946 struct net_device *netdev = adapter->netdev;947 948 adapter->err_flags |= err_type;949 netif_carrier_off(netdev);950 951 dev_info(&adapter->pdev->dev, "%s: Link down\n", netdev->name);952}953 954static inline void be_clear_error(struct be_adapter *adapter, int err_type)955{956 adapter->err_flags &= ~err_type;957}958 959static inline bool be_multi_rxq(const struct be_adapter *adapter)960{961 return adapter->num_rx_qs > 1;962}963 964void be_cq_notify(struct be_adapter *adapter, u16 qid, bool arm,965 u16 num_popped);966void be_link_status_update(struct be_adapter *adapter, u8 link_status);967void be_parse_stats(struct be_adapter *adapter);968int be_load_fw(struct be_adapter *adapter, u8 *func);969bool be_pause_supported(struct be_adapter *adapter);970int be_update_queues(struct be_adapter *adapter);971int be_poll(struct napi_struct *napi, int budget);972void be_eqd_update(struct be_adapter *adapter, bool force_update);973 974/*975 * internal function to initialize-cleanup roce device.976 */977void be_roce_dev_add(struct be_adapter *);978void be_roce_dev_remove(struct be_adapter *);979 980/*981 * internal function to open-close roce device during ifup-ifdown.982 */983void be_roce_dev_shutdown(struct be_adapter *);984 985#endif /* BE_H */986