diff options
Diffstat (limited to 'drivers/net/ethernet/broadcom/bnxt/bnxt.c')
-rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt.c | 199 |
1 files changed, 119 insertions, 80 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index d28b406a26b1..fead64f1ad90 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -70,12 +70,8 @@ #define BNXT_TX_TIMEOUT (5 * HZ) -static const char version[] = - "Broadcom NetXtreme-C/E driver " DRV_MODULE_NAME " v" DRV_MODULE_VERSION "\n"; - MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("Broadcom BCM573xx network driver"); -MODULE_VERSION(DRV_MODULE_VERSION); #define BNXT_RX_OFFSET (NET_SKB_PAD + NET_IP_ALIGN) #define BNXT_RX_DMA_OFFSET NET_SKB_PAD @@ -2166,6 +2162,7 @@ static int __bnxt_poll_work(struct bnxt *bp, struct bnxt_cp_ring_info *cpr, struct tx_cmp *txcmp; cpr->has_more_work = 0; + cpr->had_work_done = 1; while (1) { int rc; @@ -2179,7 +2176,6 @@ static int __bnxt_poll_work(struct bnxt *bp, struct bnxt_cp_ring_info *cpr, * reading any further. */ dma_rmb(); - cpr->had_work_done = 1; if (TX_CMP_TYPE(txcmp) == CMP_TYPE_TX_L2_CMP) { tx_pkts++; /* return full budget so NAPI will complete. */ @@ -2396,7 +2392,7 @@ static int __bnxt_poll_cqs(struct bnxt *bp, struct bnxt_napi *bnapi, int budget) } static void __bnxt_poll_cqs_done(struct bnxt *bp, struct bnxt_napi *bnapi, - u64 dbr_type, bool all) + u64 dbr_type) { struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring; int i; @@ -2405,7 +2401,7 @@ static void __bnxt_poll_cqs_done(struct bnxt *bp, struct bnxt_napi *bnapi, struct bnxt_cp_ring_info *cpr2 = cpr->cp_ring_arr[i]; struct bnxt_db_info *db; - if (cpr2 && (all || cpr2->had_work_done)) { + if (cpr2 && cpr2->had_work_done) { db = &cpr2->cp_db; writeq(db->db_key64 | dbr_type | RING_CMP(cpr2->cp_raw_cons), db->doorbell); @@ -2428,22 +2424,16 @@ static int bnxt_poll_p5(struct napi_struct *napi, int budget) if (cpr->has_more_work) { cpr->has_more_work = 0; work_done = __bnxt_poll_cqs(bp, bnapi, budget); - if (cpr->has_more_work) { - __bnxt_poll_cqs_done(bp, bnapi, DBR_TYPE_CQ, false); - return work_done; - } - __bnxt_poll_cqs_done(bp, bnapi, DBR_TYPE_CQ_ARMALL, true); - if (napi_complete_done(napi, work_done)) - BNXT_DB_NQ_ARM_P5(&cpr->cp_db, cpr->cp_raw_cons); - return work_done; } while (1) { cons = RING_CMP(raw_cons); nqcmp = &cpr->nq_desc_ring[CP_RING(cons)][CP_IDX(cons)]; if (!NQ_CMP_VALID(nqcmp, raw_cons)) { - __bnxt_poll_cqs_done(bp, bnapi, DBR_TYPE_CQ_ARMALL, - false); + if (cpr->has_more_work) + break; + + __bnxt_poll_cqs_done(bp, bnapi, DBR_TYPE_CQ_ARMALL); cpr->cp_raw_cons = raw_cons; if (napi_complete_done(napi, work_done)) BNXT_DB_NQ_ARM_P5(&cpr->cp_db, @@ -2463,16 +2453,17 @@ static int bnxt_poll_p5(struct napi_struct *napi, int budget) cpr2 = cpr->cp_ring_arr[idx]; work_done += __bnxt_poll_work(bp, cpr2, budget - work_done); - cpr->has_more_work = cpr2->has_more_work; + cpr->has_more_work |= cpr2->has_more_work; } else { bnxt_hwrm_handler(bp, (struct tx_cmp *)nqcmp); } raw_cons = NEXT_RAW_CMP(raw_cons); - if (cpr->has_more_work) - break; } - __bnxt_poll_cqs_done(bp, bnapi, DBR_TYPE_CQ, true); - cpr->cp_raw_cons = raw_cons; + __bnxt_poll_cqs_done(bp, bnapi, DBR_TYPE_CQ); + if (raw_cons != cpr->cp_raw_cons) { + cpr->cp_raw_cons = raw_cons; + BNXT_DB_NQ_P5(&cpr->cp_db, raw_cons); + } return work_done; } @@ -4170,6 +4161,7 @@ static int bnxt_hwrm_to_stderr(u32 hwrm_err) case HWRM_ERR_CODE_NO_BUFFER: return -ENOMEM; case HWRM_ERR_CODE_HOT_RESET_PROGRESS: + case HWRM_ERR_CODE_BUSY: return -EAGAIN; case HWRM_ERR_CODE_CMD_NOT_SUPPORTED: return -EOPNOTSUPP; @@ -5069,10 +5061,8 @@ vnic_mru: return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); } -static int bnxt_hwrm_vnic_free_one(struct bnxt *bp, u16 vnic_id) +static void bnxt_hwrm_vnic_free_one(struct bnxt *bp, u16 vnic_id) { - u32 rc = 0; - if (bp->vnic_info[vnic_id].fw_vnic_id != INVALID_HW_RING_ID) { struct hwrm_vnic_free_input req = {0}; @@ -5080,10 +5070,9 @@ static int bnxt_hwrm_vnic_free_one(struct bnxt *bp, u16 vnic_id) req.vnic_id = cpu_to_le32(bp->vnic_info[vnic_id].fw_vnic_id); - rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); + hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); bp->vnic_info[vnic_id].fw_vnic_id = INVALID_HW_RING_ID; } - return rc; } static void bnxt_hwrm_vnic_free(struct bnxt *bp) @@ -5200,14 +5189,13 @@ static int bnxt_hwrm_ring_grp_alloc(struct bnxt *bp) return rc; } -static int bnxt_hwrm_ring_grp_free(struct bnxt *bp) +static void bnxt_hwrm_ring_grp_free(struct bnxt *bp) { u16 i; - u32 rc = 0; struct hwrm_ring_grp_free_input req = {0}; if (!bp->grp_info || (bp->flags & BNXT_FLAG_CHIP_P5)) - return 0; + return; bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_RING_GRP_FREE, -1, -1); @@ -5218,12 +5206,10 @@ static int bnxt_hwrm_ring_grp_free(struct bnxt *bp) req.ring_group_id = cpu_to_le32(bp->grp_info[i].fw_grp_id); - rc = _hwrm_send_message(bp, &req, sizeof(req), - HWRM_CMD_TIMEOUT); + _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); bp->grp_info[i].fw_grp_id = INVALID_HW_RING_ID; } mutex_unlock(&bp->hwrm_cmd_lock); - return rc; } static int hwrm_ring_alloc_send_msg(struct bnxt *bp, @@ -5847,8 +5833,7 @@ bnxt_hwrm_reserve_pf_rings(struct bnxt *bp, int tx_rings, int rx_rings, if (bp->hwrm_spec_code < 0x10601) bp->hw_resc.resv_tx_rings = tx_rings; - rc = bnxt_hwrm_get_rings(bp); - return rc; + return bnxt_hwrm_get_rings(bp); } static int @@ -5869,8 +5854,7 @@ bnxt_hwrm_reserve_vf_rings(struct bnxt *bp, int tx_rings, int rx_rings, if (rc) return rc; - rc = bnxt_hwrm_get_rings(bp); - return rc; + return bnxt_hwrm_get_rings(bp); } static int bnxt_hwrm_reserve_rings(struct bnxt *bp, int tx, int rx, int grp, @@ -6030,7 +6014,6 @@ static int bnxt_hwrm_check_vf_rings(struct bnxt *bp, int tx_rings, int rx_rings, { struct hwrm_func_vf_cfg_input req = {0}; u32 flags; - int rc; if (!BNXT_NEW_RM(bp)) return 0; @@ -6047,8 +6030,8 @@ static int bnxt_hwrm_check_vf_rings(struct bnxt *bp, int tx_rings, int rx_rings, flags |= FUNC_VF_CFG_REQ_FLAGS_RING_GRP_ASSETS_TEST; req.flags = cpu_to_le32(flags); - rc = hwrm_send_message_silent(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); - return rc; + return hwrm_send_message_silent(bp, &req, sizeof(req), + HWRM_CMD_TIMEOUT); } static int bnxt_hwrm_check_pf_rings(struct bnxt *bp, int tx_rings, int rx_rings, @@ -6057,7 +6040,6 @@ static int bnxt_hwrm_check_pf_rings(struct bnxt *bp, int tx_rings, int rx_rings, { struct hwrm_func_cfg_input req = {0}; u32 flags; - int rc; __bnxt_hwrm_reserve_pf_rings(bp, &req, tx_rings, rx_rings, ring_grps, cp_rings, stats, vnics); @@ -6075,8 +6057,8 @@ static int bnxt_hwrm_check_pf_rings(struct bnxt *bp, int tx_rings, int rx_rings, } req.flags = cpu_to_le32(flags); - rc = hwrm_send_message_silent(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); - return rc; + return hwrm_send_message_silent(bp, &req, sizeof(req), + HWRM_CMD_TIMEOUT); } static int bnxt_hwrm_check_rings(struct bnxt *bp, int tx_rings, int rx_rings, @@ -6315,16 +6297,16 @@ int bnxt_hwrm_set_coal(struct bnxt *bp) return rc; } -static int bnxt_hwrm_stat_ctx_free(struct bnxt *bp) +static void bnxt_hwrm_stat_ctx_free(struct bnxt *bp) { - int rc = 0, i; struct hwrm_stat_ctx_free_input req = {0}; + int i; if (!bp->bnapi) - return 0; + return; if (BNXT_CHIP_TYPE_NITRO_A0(bp)) - return 0; + return; bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_STAT_CTX_FREE, -1, -1); @@ -6336,14 +6318,13 @@ static int bnxt_hwrm_stat_ctx_free(struct bnxt *bp) if (cpr->hw_stats_ctx_id != INVALID_STATS_CTX_ID) { req.stat_ctx_id = cpu_to_le32(cpr->hw_stats_ctx_id); - rc = _hwrm_send_message(bp, &req, sizeof(req), - HWRM_CMD_TIMEOUT); + _hwrm_send_message(bp, &req, sizeof(req), + HWRM_CMD_TIMEOUT); cpr->hw_stats_ctx_id = INVALID_STATS_CTX_ID; } } mutex_unlock(&bp->hwrm_cmd_lock); - return rc; } static int bnxt_hwrm_stat_ctx_alloc(struct bnxt *bp) @@ -6548,8 +6529,8 @@ static int bnxt_hwrm_func_backing_store_cfg(struct bnxt *bp, u32 enables) __le64 *pg_dir; u32 flags = 0; u8 *pg_attr; - int i, rc; u32 ena; + int i; if (!ctx) return 0; @@ -6636,8 +6617,7 @@ static int bnxt_hwrm_func_backing_store_cfg(struct bnxt *bp, u32 enables) bnxt_hwrm_set_pg_attr(&ctx_pg->ring_mem, pg_attr, pg_dir); } req.flags = cpu_to_le32(flags); - rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); - return rc; + return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); } static int bnxt_alloc_ctx_mem_blk(struct bnxt *bp, @@ -7243,7 +7223,7 @@ static int __bnxt_hwrm_ver_get(struct bnxt *bp, bool silent) static int bnxt_hwrm_ver_get(struct bnxt *bp) { struct hwrm_ver_get_output *resp = bp->hwrm_cmd_resp_addr; - u32 dev_caps_cfg; + u32 dev_caps_cfg, hwrm_ver; int rc; bp->hwrm_max_req_len = HWRM_MAX_REQ_LEN; @@ -7263,6 +7243,19 @@ static int bnxt_hwrm_ver_get(struct bnxt *bp) resp->hwrm_intf_upd_8b); netdev_warn(bp->dev, "Please update firmware with HWRM interface 1.0.0 or newer.\n"); } + + hwrm_ver = HWRM_VERSION_MAJOR << 16 | HWRM_VERSION_MINOR << 8 | + HWRM_VERSION_UPDATE; + + if (bp->hwrm_spec_code > hwrm_ver) + snprintf(bp->hwrm_ver_supp, FW_VER_STR_LEN, "%d.%d.%d", + HWRM_VERSION_MAJOR, HWRM_VERSION_MINOR, + HWRM_VERSION_UPDATE); + else + snprintf(bp->hwrm_ver_supp, FW_VER_STR_LEN, "%d.%d.%d", + resp->hwrm_intf_maj_8b, resp->hwrm_intf_min_8b, + resp->hwrm_intf_upd_8b); + snprintf(bp->fw_ver_str, BC_HWRM_STR_LEN, "%d.%d.%d.%d", resp->hwrm_fw_maj_8b, resp->hwrm_fw_min_8b, resp->hwrm_fw_bld_8b, resp->hwrm_fw_rsvd_8b); @@ -7341,7 +7334,6 @@ int bnxt_hwrm_fw_set_time(struct bnxt *bp) static int bnxt_hwrm_port_qstats(struct bnxt *bp) { - int rc; struct bnxt_pf_info *pf = &bp->pf; struct hwrm_port_qstats_input req = {0}; @@ -7352,8 +7344,7 @@ static int bnxt_hwrm_port_qstats(struct bnxt *bp) req.port_id = cpu_to_le16(pf->port_id); req.tx_stat_host_addr = cpu_to_le64(bp->hw_tx_port_stats_map); req.rx_stat_host_addr = cpu_to_le64(bp->hw_rx_port_stats_map); - rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); - return rc; + return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); } static int bnxt_hwrm_port_qstats_ext(struct bnxt *bp) @@ -7515,7 +7506,6 @@ static void bnxt_hwrm_resource_free(struct bnxt *bp, bool close_path, static int bnxt_hwrm_set_br_mode(struct bnxt *bp, u16 br_mode) { struct hwrm_func_cfg_input req = {0}; - int rc; bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_CFG, -1, -1); req.fid = cpu_to_le16(0xffff); @@ -7526,14 +7516,12 @@ static int bnxt_hwrm_set_br_mode(struct bnxt *bp, u16 br_mode) req.evb_mode = FUNC_CFG_REQ_EVB_MODE_VEPA; else return -EINVAL; - rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); - return rc; + return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); } static int bnxt_hwrm_set_cache_line_size(struct bnxt *bp, int size) { struct hwrm_func_cfg_input req = {0}; - int rc; if (BNXT_VF(bp) || bp->hwrm_spec_code < 0x10803) return 0; @@ -7545,8 +7533,7 @@ static int bnxt_hwrm_set_cache_line_size(struct bnxt *bp, int size) if (size == 128) req.options = FUNC_CFG_REQ_OPTIONS_CACHE_LINESIZE_SIZE_128; - rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); - return rc; + return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); } static int __bnxt_setup_vnic(struct bnxt *bp, u16 vnic_id) @@ -8804,6 +8791,7 @@ static int bnxt_hwrm_if_change(struct bnxt *bp, bool up) bnxt_free_ctx_mem(bp); kfree(bp->ctx); bp->ctx = NULL; + bnxt_dcb_free(bp); rc = bnxt_fw_init_one(bp); if (rc) { set_bit(BNXT_STATE_ABORT_ERR, &bp->state); @@ -8899,14 +8887,12 @@ int bnxt_hwrm_alloc_wol_fltr(struct bnxt *bp) int bnxt_hwrm_free_wol_fltr(struct bnxt *bp) { struct hwrm_wol_filter_free_input req = {0}; - int rc; bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_WOL_FILTER_FREE, -1, -1); req.port_id = cpu_to_le16(bp->pf.port_id); req.enables = cpu_to_le32(WOL_FILTER_FREE_REQ_ENABLES_WOL_FILTER_ID); req.wol_filter_id = bp->wol_filter_id; - rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); - return rc; + return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); } static u16 bnxt_hwrm_get_wol_fltrs(struct bnxt *bp, u16 handle) @@ -11464,6 +11450,8 @@ static void bnxt_remove_one(struct pci_dev *pdev) bnxt_sriov_disable(bp); bnxt_dl_fw_reporters_destroy(bp, true); + if (BNXT_PF(bp)) + devlink_port_type_clear(&bp->dl_port); pci_disable_pcie_error_reporting(pdev); unregister_netdev(dev); bnxt_dl_unregister(bp); @@ -11764,30 +11752,82 @@ static int bnxt_init_mac_addr(struct bnxt *bp) return rc; } +#define BNXT_VPD_LEN 512 +static void bnxt_vpd_read_info(struct bnxt *bp) +{ + struct pci_dev *pdev = bp->pdev; + int i, len, pos, ro_size; + ssize_t vpd_size; + u8 *vpd_data; + + vpd_data = kmalloc(BNXT_VPD_LEN, GFP_KERNEL); + if (!vpd_data) + return; + + vpd_size = pci_read_vpd(pdev, 0, BNXT_VPD_LEN, vpd_data); + if (vpd_size <= 0) { + netdev_err(bp->dev, "Unable to read VPD\n"); + goto exit; + } + + i = pci_vpd_find_tag(vpd_data, 0, vpd_size, PCI_VPD_LRDT_RO_DATA); + if (i < 0) { + netdev_err(bp->dev, "VPD READ-Only not found\n"); + goto exit; + } + + ro_size = pci_vpd_lrdt_size(&vpd_data[i]); + i += PCI_VPD_LRDT_TAG_SIZE; + if (i + ro_size > vpd_size) + goto exit; + + pos = pci_vpd_find_info_keyword(vpd_data, i, ro_size, + PCI_VPD_RO_KEYWORD_PARTNO); + if (pos < 0) + goto read_sn; + + len = pci_vpd_info_field_size(&vpd_data[pos]); + pos += PCI_VPD_INFO_FLD_HDR_SIZE; + if (len + pos > vpd_size) + goto read_sn; + + strlcpy(bp->board_partno, &vpd_data[pos], min(len, BNXT_VPD_FLD_LEN)); + +read_sn: + pos = pci_vpd_find_info_keyword(vpd_data, i, ro_size, + PCI_VPD_RO_KEYWORD_SERIALNO); + if (pos < 0) + goto exit; + + len = pci_vpd_info_field_size(&vpd_data[pos]); + pos += PCI_VPD_INFO_FLD_HDR_SIZE; + if (len + pos > vpd_size) + goto exit; + + strlcpy(bp->board_serialno, &vpd_data[pos], min(len, BNXT_VPD_FLD_LEN)); +exit: + kfree(vpd_data); +} + static int bnxt_pcie_dsn_get(struct bnxt *bp, u8 dsn[]) { struct pci_dev *pdev = bp->pdev; - int pos = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_DSN); - u32 dw; + u64 qword; - if (!pos) { - netdev_info(bp->dev, "Unable do read adapter's DSN\n"); + qword = pci_get_dsn(pdev); + if (!qword) { + netdev_info(bp->dev, "Unable to read adapter's DSN\n"); return -EOPNOTSUPP; } - /* DSN (two dw) is at an offset of 4 from the cap pos */ - pos += 4; - pci_read_config_dword(pdev, pos, &dw); - put_unaligned_le32(dw, &dsn[0]); - pci_read_config_dword(pdev, pos + 4, &dw); - put_unaligned_le32(dw, &dsn[4]); + put_unaligned_le64(qword, dsn); + bp->flags |= BNXT_FLAG_DSN_VALID; return 0; } static int bnxt_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) { - static int version_printed; struct net_device *dev; struct bnxt *bp; int rc, max_irqs; @@ -11795,9 +11835,6 @@ static int bnxt_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) if (pci_is_bridge(pdev)) return -ENODEV; - if (version_printed++ == 0) - pr_info("%s", version); - /* Clear any pending DMA transactions from crash kernel * while loading driver in capture kernel. */ @@ -11829,6 +11866,8 @@ static int bnxt_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) dev->ethtool_ops = &bnxt_ethtool_ops; pci_set_drvdata(pdev, dev); + bnxt_vpd_read_info(bp); + rc = bnxt_alloc_hwrm_resources(bp); if (rc) goto init_err_pci_clean; |