diff options
Diffstat (limited to 'drivers/net/ethernet/broadcom/bnxt/bnxt.c')
| -rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt.c | 803 |
1 files changed, 630 insertions, 173 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index 61ca4eb7c6fa..6b7e99675571 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -1,7 +1,7 @@ /* Broadcom NetXtreme-C/E network driver. * * Copyright (c) 2014-2016 Broadcom Corporation - * Copyright (c) 2016-2017 Broadcom Limited + * Copyright (c) 2016-2018 Broadcom Limited * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -107,6 +107,7 @@ enum board_idx { BCM57416_NPAR, BCM57452, BCM57454, + BCM5745x_NPAR, BCM58802, BCM58804, BCM58808, @@ -147,6 +148,7 @@ static const struct { [BCM57416_NPAR] = { "Broadcom BCM57416 NetXtreme-E Ethernet Partition" }, [BCM57452] = { "Broadcom BCM57452 NetXtreme-E 10Gb/25Gb/40Gb/50Gb Ethernet" }, [BCM57454] = { "Broadcom BCM57454 NetXtreme-E 10Gb/25Gb/40Gb/50Gb/100Gb Ethernet" }, + [BCM5745x_NPAR] = { "Broadcom BCM5745x NetXtreme-E Ethernet Partition" }, [BCM58802] = { "Broadcom BCM58802 NetXtreme-S 10Gb/25Gb/40Gb/50Gb Ethernet" }, [BCM58804] = { "Broadcom BCM58804 NetXtreme-S 10Gb/25Gb/40Gb/50Gb/100Gb Ethernet" }, [BCM58808] = { "Broadcom BCM58808 NetXtreme-S 10Gb/25Gb/40Gb/50Gb/100Gb Ethernet" }, @@ -156,6 +158,8 @@ static const struct { }; static const struct pci_device_id bnxt_pci_tbl[] = { + { PCI_VDEVICE(BROADCOM, 0x1604), .driver_data = BCM5745x_NPAR }, + { PCI_VDEVICE(BROADCOM, 0x1605), .driver_data = BCM5745x_NPAR }, { PCI_VDEVICE(BROADCOM, 0x1614), .driver_data = BCM57454 }, { PCI_VDEVICE(BROADCOM, 0x16c0), .driver_data = BCM57417_NPAR }, { PCI_VDEVICE(BROADCOM, 0x16c8), .driver_data = BCM57301 }, @@ -209,6 +213,7 @@ MODULE_DEVICE_TABLE(pci, bnxt_pci_tbl); static const u16 bnxt_vf_req_snif[] = { HWRM_FUNC_CFG, + HWRM_FUNC_VF_CFG, HWRM_PORT_PHY_QCFG, HWRM_CFA_L2_FILTER_ALLOC, }; @@ -1510,7 +1515,7 @@ static int bnxt_rx_pkt(struct bnxt *bp, struct bnxt_napi *bnapi, u32 *raw_cons, (struct rx_tpa_start_cmp_ext *)rxcmp1); *event |= BNXT_RX_EVENT; - goto next_rx_no_prod; + goto next_rx_no_prod_no_len; } else if (cmp_type == CMP_TYPE_RX_L2_TPA_END_CMP) { skb = bnxt_tpa_end(bp, bnapi, &tmp_raw_cons, @@ -1526,7 +1531,7 @@ static int bnxt_rx_pkt(struct bnxt *bp, struct bnxt_napi *bnapi, u32 *raw_cons, rc = 1; } *event |= BNXT_RX_EVENT; - goto next_rx_no_prod; + goto next_rx_no_prod_no_len; } cons = rxcmp->rx_cmp_opaque; @@ -1644,7 +1649,10 @@ next_rx: rxr->rx_prod = NEXT_RX(prod); rxr->rx_next_cons = NEXT_RX(cons); -next_rx_no_prod: + cpr->rx_packets += 1; + cpr->rx_bytes += len; + +next_rx_no_prod_no_len: *raw_cons = tmp_raw_cons; return rc; @@ -1706,12 +1714,16 @@ static int bnxt_async_event_process(struct bnxt *bp, if (BNXT_VF(bp)) goto async_event_process_exit; - if (data1 & 0x20000) { + + /* print unsupported speed warning in forced speed mode only */ + if (!(link_info->autoneg & BNXT_AUTONEG_SPEED) && + (data1 & 0x20000)) { u16 fw_speed = link_info->force_link_speed; u32 speed = bnxt_fw_to_ethtool_speed(fw_speed); - netdev_warn(bp->dev, "Link speed %d no longer supported\n", - speed); + if (speed != SPEED_UNKNOWN) + netdev_warn(bp->dev, "Link speed %d no longer supported\n", + speed); } set_bit(BNXT_LINK_SPEED_CHNG_SP_EVENT, &bp->sp_event); /* fall thru */ @@ -1798,6 +1810,7 @@ static irqreturn_t bnxt_msix(int irq, void *dev_instance) struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring; u32 cons = RING_CMP(cpr->cp_raw_cons); + cpr->event_ctr++; prefetch(&cpr->cp_desc_ring[CP_RING(cons)][CP_IDX(cons)]); napi_schedule(&bnapi->napi); return IRQ_HANDLED; @@ -2021,6 +2034,15 @@ static int bnxt_poll(struct napi_struct *napi, int budget) break; } } + if (bp->flags & BNXT_FLAG_DIM) { + struct net_dim_sample dim_sample; + + net_dim_sample(cpr->event_ctr, + cpr->rx_packets, + cpr->rx_bytes, + &dim_sample); + net_dim(&cpr->dim, dim_sample); + } mmiowb(); return work_done; } @@ -2243,6 +2265,9 @@ static void bnxt_free_rx_rings(struct bnxt *bp) if (rxr->xdp_prog) bpf_prog_put(rxr->xdp_prog); + if (xdp_rxq_info_is_reg(&rxr->xdp_rxq)) + xdp_rxq_info_unreg(&rxr->xdp_rxq); + kfree(rxr->rx_tpa); rxr->rx_tpa = NULL; @@ -2276,6 +2301,10 @@ static int bnxt_alloc_rx_rings(struct bnxt *bp) ring = &rxr->rx_ring_struct; + rc = xdp_rxq_info_reg(&rxr->xdp_rxq, bp->dev, i); + if (rc < 0) + return rc; + rc = bnxt_alloc_ring(bp, ring); if (rc) return rc; @@ -2606,6 +2635,8 @@ static void bnxt_init_cp_rings(struct bnxt *bp) struct bnxt_ring_struct *ring = &cpr->cp_ring_struct; ring->fw_ring_id = INVALID_HW_RING_ID; + cpr->rx_ring_coal.coal_ticks = bp->rx_coal.coal_ticks; + cpr->rx_ring_coal.coal_bufs = bp->rx_coal.coal_bufs; } } @@ -2751,7 +2782,7 @@ void bnxt_set_tpa_flags(struct bnxt *bp) return; if (bp->dev->features & NETIF_F_LRO) bp->flags |= BNXT_FLAG_LRO; - if (bp->dev->features & NETIF_F_GRO) + else if (bp->dev->features & NETIF_F_GRO_HW) bp->flags |= BNXT_FLAG_GRO; } @@ -2830,6 +2861,9 @@ void bnxt_set_ring_params(struct bnxt *bp) bp->cp_ring_mask = bp->cp_bit - 1; } +/* Changing allocation mode of RX rings. + * TODO: Update when extending xdp_rxq_info to support allocation modes. + */ int bnxt_set_rx_skb_mode(struct bnxt *bp, bool page_mode) { if (page_mode) { @@ -2839,10 +2873,10 @@ int bnxt_set_rx_skb_mode(struct bnxt *bp, bool page_mode) min_t(u16, bp->max_mtu, BNXT_MAX_PAGE_MODE_MTU); bp->flags &= ~BNXT_FLAG_AGG_RINGS; bp->flags |= BNXT_FLAG_NO_AGG_RINGS | BNXT_FLAG_RX_PAGE_MODE; - bp->dev->hw_features &= ~NETIF_F_LRO; - bp->dev->features &= ~NETIF_F_LRO; bp->rx_dir = DMA_BIDIRECTIONAL; bp->rx_skb_func = bnxt_rx_page_skb; + /* Disable LRO or GRO_HW */ + netdev_update_features(bp->dev); } else { bp->dev->max_mtu = bp->max_mtu; bp->flags &= ~BNXT_FLAG_RX_PAGE_MODE; @@ -4469,6 +4503,42 @@ static void bnxt_hwrm_ring_free(struct bnxt *bp, bool close_path) } } +static int bnxt_hwrm_get_rings(struct bnxt *bp) +{ + struct hwrm_func_qcfg_output *resp = bp->hwrm_cmd_resp_addr; + struct bnxt_hw_resc *hw_resc = &bp->hw_resc; + struct hwrm_func_qcfg_input req = {0}; + int rc; + + if (bp->hwrm_spec_code < 0x10601) + return 0; + + bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_QCFG, -1, -1); + req.fid = cpu_to_le16(0xffff); + mutex_lock(&bp->hwrm_cmd_lock); + rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); + if (rc) { + mutex_unlock(&bp->hwrm_cmd_lock); + return -EIO; + } + + hw_resc->resv_tx_rings = le16_to_cpu(resp->alloc_tx_rings); + if (bp->flags & BNXT_FLAG_NEW_RM) { + u16 cp, stats; + + hw_resc->resv_rx_rings = le16_to_cpu(resp->alloc_rx_rings); + hw_resc->resv_hw_ring_grps = + le32_to_cpu(resp->alloc_hw_ring_grps); + hw_resc->resv_vnics = le16_to_cpu(resp->alloc_vnics); + cp = le16_to_cpu(resp->alloc_cmpl_rings); + stats = le16_to_cpu(resp->alloc_stat_ctx); + cp = min_t(u16, cp, stats); + hw_resc->resv_cp_rings = cp; + } + mutex_unlock(&bp->hwrm_cmd_lock); + return 0; +} + /* Caller must hold bp->hwrm_cmd_lock */ int __bnxt_hwrm_get_tx_rings(struct bnxt *bp, u16 fid, int *tx_rings) { @@ -4488,55 +4558,283 @@ int __bnxt_hwrm_get_tx_rings(struct bnxt *bp, u16 fid, int *tx_rings) return rc; } -static int bnxt_hwrm_reserve_tx_rings(struct bnxt *bp, int *tx_rings) +static int +bnxt_hwrm_reserve_pf_rings(struct bnxt *bp, int tx_rings, int rx_rings, + int ring_grps, int cp_rings, int vnics) { struct hwrm_func_cfg_input req = {0}; + u32 enables = 0; int rc; - if (bp->hwrm_spec_code < 0x10601) + bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_CFG, -1, -1); + req.fid = cpu_to_le16(0xffff); + enables |= tx_rings ? FUNC_CFG_REQ_ENABLES_NUM_TX_RINGS : 0; + req.num_tx_rings = cpu_to_le16(tx_rings); + if (bp->flags & BNXT_FLAG_NEW_RM) { + enables |= rx_rings ? FUNC_CFG_REQ_ENABLES_NUM_RX_RINGS : 0; + enables |= cp_rings ? FUNC_CFG_REQ_ENABLES_NUM_CMPL_RINGS | + FUNC_CFG_REQ_ENABLES_NUM_STAT_CTXS : 0; + enables |= ring_grps ? + FUNC_CFG_REQ_ENABLES_NUM_HW_RING_GRPS : 0; + enables |= vnics ? FUNC_VF_CFG_REQ_ENABLES_NUM_VNICS : 0; + + req.num_rx_rings = cpu_to_le16(rx_rings); + req.num_hw_ring_grps = cpu_to_le16(ring_grps); + req.num_cmpl_rings = cpu_to_le16(cp_rings); + req.num_stat_ctxs = req.num_cmpl_rings; + req.num_vnics = cpu_to_le16(vnics); + } + if (!enables) return 0; - if (BNXT_VF(bp)) + req.enables = cpu_to_le32(enables); + rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); + if (rc) + return -ENOMEM; + + if (bp->hwrm_spec_code < 0x10601) + bp->hw_resc.resv_tx_rings = tx_rings; + + rc = bnxt_hwrm_get_rings(bp); + return rc; +} + +static int +bnxt_hwrm_reserve_vf_rings(struct bnxt *bp, int tx_rings, int rx_rings, + int ring_grps, int cp_rings, int vnics) +{ + struct hwrm_func_vf_cfg_input req = {0}; + u32 enables = 0; + int rc; + + if (!(bp->flags & BNXT_FLAG_NEW_RM)) { + bp->hw_resc.resv_tx_rings = tx_rings; return 0; + } - bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_CFG, -1, -1); - req.fid = cpu_to_le16(0xffff); - req.enables = cpu_to_le32(FUNC_CFG_REQ_ENABLES_NUM_TX_RINGS); - req.num_tx_rings = cpu_to_le16(*tx_rings); + bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_VF_CFG, -1, -1); + enables |= tx_rings ? FUNC_VF_CFG_REQ_ENABLES_NUM_TX_RINGS : 0; + enables |= rx_rings ? FUNC_VF_CFG_REQ_ENABLES_NUM_RX_RINGS : 0; + enables |= cp_rings ? FUNC_VF_CFG_REQ_ENABLES_NUM_CMPL_RINGS | + FUNC_VF_CFG_REQ_ENABLES_NUM_STAT_CTXS : 0; + enables |= ring_grps ? FUNC_VF_CFG_REQ_ENABLES_NUM_HW_RING_GRPS : 0; + enables |= vnics ? FUNC_VF_CFG_REQ_ENABLES_NUM_VNICS : 0; + + req.num_tx_rings = cpu_to_le16(tx_rings); + req.num_rx_rings = cpu_to_le16(rx_rings); + req.num_hw_ring_grps = cpu_to_le16(ring_grps); + req.num_cmpl_rings = cpu_to_le16(cp_rings); + req.num_stat_ctxs = req.num_cmpl_rings; + req.num_vnics = cpu_to_le16(vnics); + + req.enables = cpu_to_le32(enables); rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); if (rc) + return -ENOMEM; + + rc = bnxt_hwrm_get_rings(bp); + return rc; +} + +static int bnxt_hwrm_reserve_rings(struct bnxt *bp, int tx, int rx, int grp, + int cp, int vnic) +{ + if (BNXT_PF(bp)) + return bnxt_hwrm_reserve_pf_rings(bp, tx, rx, grp, cp, vnic); + else + return bnxt_hwrm_reserve_vf_rings(bp, tx, rx, grp, cp, vnic); +} + +static int bnxt_trim_rings(struct bnxt *bp, int *rx, int *tx, int max, + bool shared); + +static int __bnxt_reserve_rings(struct bnxt *bp) +{ + struct bnxt_hw_resc *hw_resc = &bp->hw_resc; + int tx = bp->tx_nr_rings; + int rx = bp->rx_nr_rings; + int cp = bp->cp_nr_rings; + int grp, rx_rings, rc; + bool sh = false; + int vnic = 1; + + if (bp->hwrm_spec_code < 0x10601) + return 0; + + if (bp->flags & BNXT_FLAG_SHARED_RINGS) + sh = true; + if (bp->flags & BNXT_FLAG_RFS) + vnic = rx + 1; + if (bp->flags & BNXT_FLAG_AGG_RINGS) + rx <<= 1; + + grp = bp->rx_nr_rings; + if (tx == hw_resc->resv_tx_rings && + (!(bp->flags & BNXT_FLAG_NEW_RM) || + (rx == hw_resc->resv_rx_rings && + grp == hw_resc->resv_hw_ring_grps && + cp == hw_resc->resv_cp_rings && vnic == hw_resc->resv_vnics))) + return 0; + + rc = bnxt_hwrm_reserve_rings(bp, tx, rx, grp, cp, vnic); + if (rc) return rc; - mutex_lock(&bp->hwrm_cmd_lock); - rc = __bnxt_hwrm_get_tx_rings(bp, 0xffff, tx_rings); - mutex_unlock(&bp->hwrm_cmd_lock); - if (!rc) - bp->tx_reserved_rings = *tx_rings; + tx = hw_resc->resv_tx_rings; + if (bp->flags & BNXT_FLAG_NEW_RM) { + rx = hw_resc->resv_rx_rings; + cp = hw_resc->resv_cp_rings; + grp = hw_resc->resv_hw_ring_grps; + vnic = hw_resc->resv_vnics; + } + + rx_rings = rx; + if (bp->flags & BNXT_FLAG_AGG_RINGS) { + if (rx >= 2) { + rx_rings = rx >> 1; + } else { + if (netif_running(bp->dev)) + return -ENOMEM; + + bp->flags &= ~BNXT_FLAG_AGG_RINGS; + bp->flags |= BNXT_FLAG_NO_AGG_RINGS; + bp->dev->hw_features &= ~NETIF_F_LRO; + bp->dev->features &= ~NETIF_F_LRO; + bnxt_set_ring_params(bp); + } + } + rx_rings = min_t(int, rx_rings, grp); + rc = bnxt_trim_rings(bp, &rx_rings, &tx, cp, sh); + if (bp->flags & BNXT_FLAG_AGG_RINGS) + rx = rx_rings << 1; + cp = sh ? max_t(int, tx, rx_rings) : tx + rx_rings; + bp->tx_nr_rings = tx; + bp->rx_nr_rings = rx_rings; + bp->cp_nr_rings = cp; + + if (!tx || !rx || !cp || !grp || !vnic) + return -ENOMEM; + return rc; } -static int bnxt_hwrm_check_tx_rings(struct bnxt *bp, int tx_rings) +static bool bnxt_need_reserve_rings(struct bnxt *bp) { - struct hwrm_func_cfg_input req = {0}; + struct bnxt_hw_resc *hw_resc = &bp->hw_resc; + int rx = bp->rx_nr_rings; + int vnic = 1; + + if (bp->hwrm_spec_code < 0x10601) + return false; + + if (hw_resc->resv_tx_rings != bp->tx_nr_rings) + return true; + + if (bp->flags & BNXT_FLAG_RFS) + vnic = rx + 1; + if (bp->flags & BNXT_FLAG_AGG_RINGS) + rx <<= 1; + if ((bp->flags & BNXT_FLAG_NEW_RM) && + (hw_resc->resv_rx_rings != rx || + hw_resc->resv_cp_rings != bp->cp_nr_rings || + hw_resc->resv_vnics != vnic)) + return true; + return false; +} + +static int bnxt_hwrm_check_vf_rings(struct bnxt *bp, int tx_rings, int rx_rings, + int ring_grps, int cp_rings) +{ + struct hwrm_func_vf_cfg_input req = {0}; + u32 flags, enables; int rc; - if (bp->hwrm_spec_code < 0x10801) + if (!(bp->flags & BNXT_FLAG_NEW_RM)) return 0; - if (BNXT_VF(bp)) - return 0; + bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_VF_CFG, -1, -1); + flags = FUNC_VF_CFG_REQ_FLAGS_TX_ASSETS_TEST | + FUNC_VF_CFG_REQ_FLAGS_RX_ASSETS_TEST | + FUNC_VF_CFG_REQ_FLAGS_CMPL_ASSETS_TEST | + FUNC_VF_CFG_REQ_FLAGS_RING_GRP_ASSETS_TEST | + FUNC_VF_CFG_REQ_FLAGS_STAT_CTX_ASSETS_TEST | + FUNC_VF_CFG_REQ_FLAGS_VNIC_ASSETS_TEST; + enables = FUNC_VF_CFG_REQ_ENABLES_NUM_TX_RINGS | + FUNC_VF_CFG_REQ_ENABLES_NUM_RX_RINGS | + FUNC_VF_CFG_REQ_ENABLES_NUM_CMPL_RINGS | + FUNC_VF_CFG_REQ_ENABLES_NUM_HW_RING_GRPS | + FUNC_VF_CFG_REQ_ENABLES_NUM_STAT_CTXS | + FUNC_VF_CFG_REQ_ENABLES_NUM_VNICS; + + req.flags = cpu_to_le32(flags); + req.enables = cpu_to_le32(enables); + req.num_tx_rings = cpu_to_le16(tx_rings); + req.num_rx_rings = cpu_to_le16(rx_rings); + req.num_cmpl_rings = cpu_to_le16(cp_rings); + req.num_hw_ring_grps = cpu_to_le16(ring_grps); + req.num_stat_ctxs = cpu_to_le16(cp_rings); + req.num_vnics = cpu_to_le16(1); + if (bp->flags & BNXT_FLAG_RFS) + req.num_vnics = cpu_to_le16(rx_rings + 1); + rc = hwrm_send_message_silent(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); + if (rc) + return -ENOMEM; + return 0; +} + +static int bnxt_hwrm_check_pf_rings(struct bnxt *bp, int tx_rings, int rx_rings, + int ring_grps, int cp_rings) +{ + struct hwrm_func_cfg_input req = {0}; + u32 flags, enables; + int rc; bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_CFG, -1, -1); req.fid = cpu_to_le16(0xffff); - req.flags = cpu_to_le32(FUNC_CFG_REQ_FLAGS_TX_ASSETS_TEST); - req.enables = cpu_to_le32(FUNC_CFG_REQ_ENABLES_NUM_TX_RINGS); + flags = FUNC_CFG_REQ_FLAGS_TX_ASSETS_TEST; + enables = FUNC_CFG_REQ_ENABLES_NUM_TX_RINGS; req.num_tx_rings = cpu_to_le16(tx_rings); + if (bp->flags & BNXT_FLAG_NEW_RM) { + flags |= FUNC_CFG_REQ_FLAGS_RX_ASSETS_TEST | + FUNC_CFG_REQ_FLAGS_CMPL_ASSETS_TEST | + FUNC_CFG_REQ_FLAGS_RING_GRP_ASSETS_TEST | + FUNC_CFG_REQ_FLAGS_STAT_CTX_ASSETS_TEST | + FUNC_CFG_REQ_FLAGS_VNIC_ASSETS_TEST; + enables |= FUNC_CFG_REQ_ENABLES_NUM_RX_RINGS | + FUNC_CFG_REQ_ENABLES_NUM_CMPL_RINGS | + FUNC_CFG_REQ_ENABLES_NUM_HW_RING_GRPS | + FUNC_CFG_REQ_ENABLES_NUM_STAT_CTXS | + FUNC_CFG_REQ_ENABLES_NUM_VNICS; + req.num_rx_rings = cpu_to_le16(rx_rings); + req.num_cmpl_rings = cpu_to_le16(cp_rings); + req.num_hw_ring_grps = cpu_to_le16(ring_grps); + req.num_stat_ctxs = cpu_to_le16(cp_rings); + req.num_vnics = cpu_to_le16(1); + if (bp->flags & BNXT_FLAG_RFS) + req.num_vnics = cpu_to_le16(rx_rings + 1); + } + req.flags = cpu_to_le32(flags); + req.enables = cpu_to_le32(enables); rc = hwrm_send_message_silent(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); if (rc) return -ENOMEM; return 0; } +static int bnxt_hwrm_check_rings(struct bnxt *bp, int tx_rings, int rx_rings, + int ring_grps, int cp_rings) +{ + if (bp->hwrm_spec_code < 0x10801) + return 0; + + if (BNXT_PF(bp)) + return bnxt_hwrm_check_pf_rings(bp, tx_rings, rx_rings, + ring_grps, cp_rings); + + return bnxt_hwrm_check_vf_rings(bp, tx_rings, rx_rings, ring_grps, + cp_rings); +} + static void bnxt_hwrm_set_coal_params(struct bnxt_coal *hw_coal, struct hwrm_ring_cmpl_ring_cfg_aggint_params_input *req) { @@ -4579,6 +4877,36 @@ static void bnxt_hwrm_set_coal_params(struct bnxt_coal *hw_coal, req->flags = cpu_to_le16(flags); } +int bnxt_hwrm_set_ring_coal(struct bnxt *bp, struct bnxt_napi *bnapi) +{ + struct hwrm_ring_cmpl_ring_cfg_aggint_params_input req_rx = {0}; + struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring; + struct bnxt_coal coal; + unsigned int grp_idx; + + /* Tick values in micro seconds. + * 1 coal_buf x bufs_per_record = 1 completion record. + */ + memcpy(&coal, &bp->rx_coal, sizeof(struct bnxt_coal)); + + coal.coal_ticks = cpr->rx_ring_coal.coal_ticks; + coal.coal_bufs = cpr->rx_ring_coal.coal_bufs; + + if (!bnapi->rx_ring) + return -ENODEV; + + bnxt_hwrm_cmd_hdr_init(bp, &req_rx, + HWRM_RING_CMPL_RING_CFG_AGGINT_PARAMS, -1, -1); + + bnxt_hwrm_set_coal_params(&coal, &req_rx); + + grp_idx = bnapi->index; + req_rx.ring_id = cpu_to_le16(bp->grp_info[grp_idx].cp_fw_ring_id); + + return hwrm_send_message(bp, &req_rx, sizeof(req_rx), + HWRM_CMD_TIMEOUT); +} + int bnxt_hwrm_set_coal(struct bnxt *bp) { int i, rc = 0; @@ -4732,11 +5060,60 @@ func_qcfg_exit: return rc; } -static int bnxt_hwrm_func_qcaps(struct bnxt *bp) +static int bnxt_hwrm_func_resc_qcaps(struct bnxt *bp) +{ + struct hwrm_func_resource_qcaps_output *resp = bp->hwrm_cmd_resp_addr; + struct hwrm_func_resource_qcaps_input req = {0}; + struct bnxt_hw_resc *hw_resc = &bp->hw_resc; + int rc; + + bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_RESOURCE_QCAPS, -1, -1); + req.fid = cpu_to_le16(0xffff); + + mutex_lock(&bp->hwrm_cmd_lock); + rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); + if (rc) { + rc = -EIO; + goto hwrm_func_resc_qcaps_exit; + } + + hw_resc->min_rsscos_ctxs = le16_to_cpu(resp->min_rsscos_ctx); + hw_resc->max_rsscos_ctxs = le16_to_cpu(resp->max_rsscos_ctx); + hw_resc->min_cp_rings = le16_to_cpu(resp->min_cmpl_rings); + hw_resc->max_cp_rings = le16_to_cpu(resp->max_cmpl_rings); + hw_resc->min_tx_rings = le16_to_cpu(resp->min_tx_rings); + hw_resc->max_tx_rings = le16_to_cpu(resp->max_tx_rings); + hw_resc->min_rx_rings = le16_to_cpu(resp->min_rx_rings); + hw_resc->max_rx_rings = le16_to_cpu(resp->max_rx_rings); + hw_resc->min_hw_ring_grps = le16_to_cpu(resp->min_hw_ring_grps); + hw_resc->max_hw_ring_grps = le16_to_cpu(resp->max_hw_ring_grps); + hw_resc->min_l2_ctxs = le16_to_cpu(resp->min_l2_ctxs); + hw_resc->max_l2_ctxs = le16_to_cpu(resp->max_l2_ctxs); + hw_resc->min_vnics = le16_to_cpu(resp->min_vnics); + hw_resc->max_vnics = le16_to_cpu(resp->max_vnics); + hw_resc->min_stat_ctxs = le16_to_cpu(resp->min_stat_ctx); + hw_resc->max_stat_ctxs = le16_to_cpu(resp->max_stat_ctx); + + if (BNXT_PF(bp)) { + struct bnxt_pf_info *pf = &bp->pf; + + pf->vf_resv_strategy = + le16_to_cpu(resp->vf_reservation_strategy); + if (pf->vf_resv_strategy > BNXT_VF_RESV_STRATEGY_MINIMAL) + pf->vf_resv_strategy = BNXT_VF_RESV_STRATEGY_MAXIMAL; + } +hwrm_func_resc_qcaps_exit: + mutex_unlock(&bp->hwrm_cmd_lock); + return rc; +} + +static int __bnxt_hwrm_func_qcaps(struct bnxt *bp) { int rc = 0; struct hwrm_func_qcaps_input req = {0}; struct hwrm_func_qcaps_output *resp = bp->hwrm_cmd_resp_addr; + struct bnxt_hw_resc *hw_resc = &bp->hw_resc; + u32 flags; bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_QCAPS, -1, -1); req.fid = cpu_to_le16(0xffff); @@ -4746,16 +5123,27 @@ static int bnxt_hwrm_func_qcaps(struct bnxt *bp) if (rc) goto hwrm_func_qcaps_exit; - if (resp->flags & cpu_to_le32(FUNC_QCAPS_RESP_FLAGS_ROCE_V1_SUPPORTED)) + flags = le32_to_cpu(resp->flags); + if (flags & FUNC_QCAPS_RESP_FLAGS_ROCE_V1_SUPPORTED) bp->flags |= BNXT_FLAG_ROCEV1_CAP; - if (resp->flags & cpu_to_le32(FUNC_QCAPS_RESP_FLAGS_ROCE_V2_SUPPORTED)) + if (flags & FUNC_QCAPS_RESP_FLAGS_ROCE_V2_SUPPORTED) bp->flags |= BNXT_FLAG_ROCEV2_CAP; bp->tx_push_thresh = 0; - if (resp->flags & - cpu_to_le32(FUNC_QCAPS_RESP_FLAGS_PUSH_MODE_SUPPORTED)) + if (flags & FUNC_QCAPS_RESP_FLAGS_PUSH_MODE_SUPPORTED) bp->tx_push_thresh = BNXT_TX_PUSH_THRESH; + hw_resc->max_rsscos_ctxs = le16_to_cpu(resp->max_rsscos_ctx); + hw_resc->max_cp_rings = le16_to_cpu(resp->max_cmpl_rings); + hw_resc->max_tx_rings = le16_to_cpu(resp->max_tx_rings); + hw_resc->max_rx_rings = le16_to_cpu(resp->max_rx_rings); + hw_resc->max_hw_ring_grps = le32_to_cpu(resp->max_hw_ring_grps); + if (!hw_resc->max_hw_ring_grps) + hw_resc->max_hw_ring_grps = hw_resc->max_tx_rings; + hw_resc->max_l2_ctxs = le16_to_cpu(resp->max_l2_ctxs); + hw_resc->max_vnics = le16_to_cpu(resp->max_vnics); + hw_resc->max_stat_ctxs = le16_to_cpu(resp->max_stat_ctx); + if (BNXT_PF(bp)) { struct bnxt_pf_info *pf = &bp->pf; @@ -4763,16 +5151,6 @@ static int bnxt_hwrm_func_qcaps(struct bnxt *bp) pf->port_id = le16_to_cpu(resp->port_id); bp->dev->dev_port = pf->port_id; memcpy(pf->mac_addr, resp->mac_address, ETH_ALEN); - pf->max_rsscos_ctxs = le16_to_cpu(resp->max_rsscos_ctx); - pf->max_cp_rings = le16_to_cpu(resp->max_cmpl_rings); - pf->max_tx_rings = le16_to_cpu(resp->max_tx_rings); - pf->max_rx_rings = le16_to_cpu(resp->max_rx_rings); - pf->max_hw_ring_grps = le32_to_cpu(resp->max_hw_ring_grps); - if (!pf->max_hw_ring_grps) - pf->max_hw_ring_grps = pf->max_tx_rings; - pf->max_l2_ctxs = le16_to_cpu(resp->max_l2_ctxs); - pf->max_vnics = le16_to_cpu(resp->max_vnics); - pf->max_stat_ctxs = le16_to_cpu(resp->max_stat_ctx); pf->first_vf_id = le16_to_cpu(resp->first_vf_id); pf->max_vfs = le16_to_cpu(resp->max_vfs); pf->max_encap_records = le32_to_cpu(resp->max_encap_records); @@ -4781,26 +5159,13 @@ static int bnxt_hwrm_func_qcaps(struct bnxt *bp) pf->max_tx_wm_flows = le32_to_cpu(resp->max_tx_wm_flows); pf->max_rx_em_flows = le32_to_cpu(resp->max_rx_em_flows); pf->max_rx_wm_flows = le32_to_cpu(resp->max_rx_wm_flows); - if (resp->flags & - cpu_to_le32(FUNC_QCAPS_RESP_FLAGS_WOL_MAGICPKT_SUPPORTED)) + if (flags & FUNC_QCAPS_RESP_FLAGS_WOL_MAGICPKT_SUPPORTED) bp->flags |= BNXT_FLAG_WOL_CAP; } else { #ifdef CONFIG_BNXT_SRIOV struct bnxt_vf_info *vf = &bp->vf; vf->fw_fid = le16_to_cpu(resp->fid); - - vf->max_rsscos_ctxs = le16_to_cpu(resp->max_rsscos_ctx); - vf->max_cp_rings = le16_to_cpu(resp->max_cmpl_rings); - vf->max_tx_rings = le16_to_cpu(resp->max_tx_rings); - vf->max_rx_rings = le16_to_cpu(resp->max_rx_rings); - vf->max_hw_ring_grps = le32_to_cpu(resp->max_hw_ring_grps); - if (!vf->max_hw_ring_grps) - vf->max_hw_ring_grps = vf->max_tx_rings; - vf->max_l2_ctxs = le16_to_cpu(resp->max_l2_ctxs); - vf->max_vnics = le16_to_cpu(resp->max_vnics); - vf->max_stat_ctxs = le16_to_cpu(resp->max_stat_ctx); - memcpy(vf->mac_addr, resp->mac_address, ETH_ALEN); #endif } @@ -4810,6 +5175,21 @@ hwrm_func_qcaps_exit: return rc; } +static int bnxt_hwrm_func_qcaps(struct bnxt *bp) +{ + int rc; + + rc = __bnxt_hwrm_func_qcaps(bp); + if (rc) + return rc; + if (bp->hwrm_spec_code >= 0x10803) { + rc = bnxt_hwrm_func_resc_qcaps(bp); + if (!rc) + bp->flags |= BNXT_FLAG_NEW_RM; + } + return 0; +} + static int bnxt_hwrm_func_reset(struct bnxt *bp) { struct hwrm_func_reset_input req = {0}; @@ -4879,23 +5259,24 @@ static int bnxt_hwrm_ver_get(struct bnxt *bp) memcpy(&bp->ver_resp, resp, sizeof(struct hwrm_ver_get_output)); - bp->hwrm_spec_code = resp->hwrm_intf_maj << 16 | - resp->hwrm_intf_min << 8 | resp->hwrm_intf_upd; - if (resp->hwrm_intf_maj < 1) { + bp->hwrm_spec_code = resp->hwrm_intf_maj_8b << 16 | + resp->hwrm_intf_min_8b << 8 | + resp->hwrm_intf_upd_8b; + if (resp->hwrm_intf_maj_8b < 1) { netdev_warn(bp->dev, "HWRM interface %d.%d.%d is older than 1.0.0.\n", - resp->hwrm_intf_maj, resp->hwrm_intf_min, - resp->hwrm_intf_upd); + resp->hwrm_intf_maj_8b, resp->hwrm_intf_min_8b, + resp->hwrm_intf_upd_8b); netdev_warn(bp->dev, "Please update firmware with HWRM interface 1.0.0 or newer.\n"); } snprintf(bp->fw_ver_str, BC_HWRM_STR_LEN, "%d.%d.%d.%d", - resp->hwrm_fw_maj, resp->hwrm_fw_min, resp->hwrm_fw_bld, - resp->hwrm_fw_rsvd); + resp->hwrm_fw_maj_8b, resp->hwrm_fw_min_8b, + resp->hwrm_fw_bld_8b, resp->hwrm_fw_rsvd_8b); bp->hwrm_cmd_timeout = le16_to_cpu(resp->def_req_timeout); if (!bp->hwrm_cmd_timeout) bp->hwrm_cmd_timeout = DFLT_HWRM_CMD_TIMEOUT; - if (resp->hwrm_intf_maj >= 1) + if (resp->hwrm_intf_maj_8b >= 1) bp->hwrm_max_req_len = le16_to_cpu(resp->max_req_win_len); bp->chip_num = le16_to_cpu(resp->chip_num); @@ -5031,6 +5412,28 @@ static int bnxt_hwrm_set_br_mode(struct bnxt *bp, u16 br_mode) return rc; } +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; + + bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_CFG, -1, -1); + req.fid = cpu_to_le16(0xffff); + req.enables = cpu_to_le32(FUNC_CFG_REQ_ENABLES_CACHE_LINESIZE); + req.cache_linesize = FUNC_QCFG_RESP_CACHE_LINESIZE_CACHE_LINESIZE_64; + if (size == 128) + req.cache_linesize = + FUNC_QCFG_RESP_CACHE_LINESIZE_CACHE_LINESIZE_128; + + rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); + if (rc) + rc = -EIO; + return rc; +} + static int bnxt_setup_vnic(struct bnxt *bp, u16 vnic_id) { struct bnxt_vnic_info *vnic = &bp->vnic_info[vnic_id]; @@ -5166,15 +5569,6 @@ static int bnxt_init_chip(struct bnxt *bp, bool irq_re_init) rc); goto err_out; } - if (bp->tx_reserved_rings != bp->tx_nr_rings) { - int tx = bp->tx_nr_rings; - - if (bnxt_hwrm_reserve_tx_rings(bp, &tx) || - tx < bp->tx_nr_rings) { - rc = -ENOMEM; - goto err_out; - } - } } rc = bnxt_hwrm_ring_alloc(bp); @@ -5394,79 +5788,45 @@ static int bnxt_setup_int_mode(struct bnxt *bp) #ifdef CONFIG_RFS_ACCEL static unsigned int bnxt_get_max_func_rss_ctxs(struct bnxt *bp) { -#if defined(CONFIG_BNXT_SRIOV) - if (BNXT_VF(bp)) - return bp->vf.max_rsscos_ctxs; -#endif - return bp->pf.max_rsscos_ctxs; + return bp->hw_resc.max_rsscos_ctxs; } static unsigned int bnxt_get_max_func_vnics(struct bnxt *bp) { -#if defined(CONFIG_BNXT_SRIOV) - if (BNXT_VF(bp)) - return bp->vf.max_vnics; -#endif - return bp->pf.max_vnics; + return bp->hw_resc.max_vnics; } #endif unsigned int bnxt_get_max_func_stat_ctxs(struct bnxt *bp) { -#if defined(CONFIG_BNXT_SRIOV) - if (BNXT_VF(bp)) - return bp->vf.max_stat_ctxs; -#endif - return bp->pf.max_stat_ctxs; + return bp->hw_resc.max_stat_ctxs; } void bnxt_set_max_func_stat_ctxs(struct bnxt *bp, unsigned int max) { -#if defined(CONFIG_BNXT_SRIOV) - if (BNXT_VF(bp)) - bp->vf.max_stat_ctxs = max; - else -#endif - bp->pf.max_stat_ctxs = max; + bp->hw_resc.max_stat_ctxs = max; } unsigned int bnxt_get_max_func_cp_rings(struct bnxt *bp) { -#if defined(CONFIG_BNXT_SRIOV) - if (BNXT_VF(bp)) - return bp->vf.max_cp_rings; -#endif - return bp->pf.max_cp_rings; + return bp->hw_resc.max_cp_rings; } void bnxt_set_max_func_cp_rings(struct bnxt *bp, unsigned int max) { -#if defined(CONFIG_BNXT_SRIOV) - if (BNXT_VF(bp)) - bp->vf.max_cp_rings = max; - else -#endif - bp->pf.max_cp_rings = max; + bp->hw_resc.max_cp_rings = max; } static unsigned int bnxt_get_max_func_irqs(struct bnxt *bp) { -#if defined(CONFIG_BNXT_SRIOV) - if (BNXT_VF(bp)) - return min_t(unsigned int, bp->vf.max_irqs, - bp->vf.max_cp_rings); -#endif - return min_t(unsigned int, bp->pf.max_irqs, bp->pf.max_cp_rings); + struct bnxt_hw_resc *hw_resc = &bp->hw_resc; + + return min_t(unsigned int, hw_resc->max_irqs, hw_resc->max_cp_rings); } void bnxt_set_max_func_irqs(struct bnxt *bp, unsigned int max_irqs) { -#if defined(CONFIG_BNXT_SRIOV) - if (BNXT_VF(bp)) - bp->vf.max_irqs = max_irqs; - else -#endif - bp->pf.max_irqs = max_irqs; + bp->hw_resc.max_irqs = max_irqs; } static int bnxt_init_msix(struct bnxt *bp) @@ -5567,6 +5927,36 @@ static void bnxt_clear_int_mode(struct bnxt *bp) bp->flags &= ~BNXT_FLAG_USING_MSIX; } +static int bnxt_reserve_rings(struct bnxt *bp) +{ + int orig_cp = bp->hw_resc.resv_cp_rings; + int tcs = netdev_get_num_tc(bp->dev); + int rc; + + if (!bnxt_need_reserve_rings(bp)) + return 0; + + rc = __bnxt_reserve_rings(bp); + if (rc) { + netdev_err(bp->dev, "ring reservation failure rc: %d\n", rc); + return rc; + } + if ((bp->flags & BNXT_FLAG_NEW_RM) && bp->cp_nr_rings > orig_cp) { + bnxt_clear_int_mode(bp); + rc = bnxt_init_int_mode(bp); + if (rc) + return rc; + } + if (tcs && (bp->tx_nr_rings_per_tc * tcs != bp->tx_nr_rings)) { + netdev_err(bp->dev, "tx ring reservation failure\n"); + netdev_reset_tc(bp->dev); + bp->tx_nr_rings_per_tc = bp->tx_nr_rings; + return -ENOMEM; + } + bp->num_stat_ctxs = bp->cp_nr_rings; + return 0; +} + static void bnxt_free_irq(struct bnxt *bp) { struct bnxt_irq *irq; @@ -5701,7 +6091,13 @@ static void bnxt_enable_napi(struct bnxt *bp) int i; for (i = 0; i < bp->cp_nr_rings; i++) { + struct bnxt_cp_ring_info *cpr = &bp->bnapi[i]->cp_ring; bp->bnapi[i]->in_reset = false; + + if (bp->bnapi[i]->rx_ring) { + INIT_WORK(&cpr->dim.work, bnxt_dim_work); + cpr->dim.mode = NET_DIM_CQ_PERIOD_MODE_START_FROM_EQE; + } napi_enable(&bp->bnapi[i]->napi); } } @@ -6311,6 +6707,10 @@ static int __bnxt_open_nic(struct bnxt *bp, bool irq_re_init, bool link_re_init) bnxt_preset_reg_win(bp); netif_carrier_off(bp->dev); if (irq_re_init) { + rc = bnxt_reserve_rings(bp); + if (rc) + return rc; + rc = bnxt_setup_int_mode(bp); if (rc) { netdev_err(bp->dev, "bnxt_setup_int_mode err: %x\n", @@ -6446,23 +6846,13 @@ static bool bnxt_drv_busy(struct bnxt *bp) test_bit(BNXT_STATE_READ_STATS, &bp->state)); } -int bnxt_close_nic(struct bnxt *bp, bool irq_re_init, bool link_re_init) +static void __bnxt_close_nic(struct bnxt *bp, bool irq_re_init, + bool link_re_init) { - int rc = 0; - -#ifdef CONFIG_BNXT_SRIOV - if (bp->sriov_cfg) { - rc = wait_event_interruptible_timeout(bp->sriov_cfg_wait, - !bp->sriov_cfg, - BNXT_SRIOV_CFG_WAIT_TMO); - if (rc) - netdev_warn(bp->dev, "timeout waiting for SRIOV config operation to complete!\n"); - } - /* Close the VF-reps before closing PF */ if (BNXT_PF(bp)) bnxt_vf_reps_close(bp); -#endif + /* Change device state to avoid TX queue wake up's */ bnxt_tx_disable(bp); @@ -6485,6 +6875,22 @@ int bnxt_close_nic(struct bnxt *bp, bool irq_re_init, bool link_re_init) bnxt_del_napi(bp); } bnxt_free_mem(bp, irq_re_init); +} + +int bnxt_close_nic(struct bnxt *bp, bool irq_re_init, bool link_re_init) +{ + int rc = 0; + +#ifdef CONFIG_BNXT_SRIOV + if (bp->sriov_cfg) { + rc = wait_event_interruptible_timeout(bp->sriov_cfg_wait, + !bp->sriov_cfg, + BNXT_SRIOV_CFG_WAIT_TMO); + if (rc) + netdev_warn(bp->dev, "timeout waiting for SRIOV config operation to complete!\n"); + } +#endif + __bnxt_close_nic(bp, irq_re_init, link_re_init); return rc; } @@ -6764,13 +7170,26 @@ static bool bnxt_rfs_capable(struct bnxt *bp) if (bp->flags & BNXT_FLAG_NEW_RSS_CAP) max_rss_ctxs = max_vnics; if (vnics > max_vnics || vnics > max_rss_ctxs) { - netdev_warn(bp->dev, - "Not enough resources to support NTUPLE filters, enough resources for up to %d rx rings\n", - min(max_rss_ctxs - 1, max_vnics - 1)); + if (bp->rx_nr_rings > 1) + netdev_warn(bp->dev, + "Not enough resources to support NTUPLE filters, enough resources for up to %d rx rings\n", + min(max_rss_ctxs - 1, max_vnics - 1)); return false; } - return true; + if (!(bp->flags & BNXT_FLAG_NEW_RM)) + return true; + + if (vnics == bp->hw_resc.resv_vnics) + return true; + + bnxt_hwrm_reserve_rings(bp, 0, 0, 0, 0, vnics); + if (vnics <= bp->hw_resc.resv_vnics) + return true; + + netdev_warn(bp->dev, "Unable to reserve resources to support NTUPLE filters.\n"); + bnxt_hwrm_reserve_rings(bp, 0, 0, 0, 0, 1); + return false; #else return false; #endif @@ -6784,6 +7203,15 @@ static netdev_features_t bnxt_fix_features(struct net_device *dev, if ((features & NETIF_F_NTUPLE) && !bnxt_rfs_capable(bp)) features &= ~NETIF_F_NTUPLE; + if (bp->flags & BNXT_FLAG_NO_AGG_RINGS) + features &= ~(NETIF_F_LRO | NETIF_F_GRO_HW); + + if (!(features & NETIF_F_GRO)) + features &= ~NETIF_F_GRO_HW; + + if (features & NETIF_F_GRO_HW) + features &= ~NETIF_F_LRO; + /* Both CTAG and STAG VLAN accelaration on the RX side have to be * turned on or off together. */ @@ -6817,9 +7245,9 @@ static int bnxt_set_features(struct net_device *dev, netdev_features_t features) bool update_tpa = false; flags &= ~BNXT_FLAG_ALL_CONFIG_FEATS; - if ((features & NETIF_F_GRO) && !BNXT_CHIP_TYPE_NITRO_A0(bp)) + if (features & NETIF_F_GRO_HW) flags |= BNXT_FLAG_GRO; - if (features & NETIF_F_LRO) + else if (features & NETIF_F_LRO) flags |= BNXT_FLAG_LRO; if (bp->flags & BNXT_FLAG_NO_AGG_RINGS) @@ -7096,7 +7524,8 @@ int bnxt_check_rings(struct bnxt *bp, int tx, int rx, bool sh, int tcs, { int max_rx, max_tx, tx_sets = 1; int tx_rings_needed; - int rc; + int rx_rings = rx; + int cp, rc; if (tcs) tx_sets = tcs; @@ -7112,7 +7541,10 @@ int bnxt_check_rings(struct bnxt *bp, int tx, int rx, bool sh, int tcs, if (max_tx < tx_rings_needed) return -ENOMEM; - return bnxt_hwrm_check_tx_rings(bp, tx_rings_needed); + if (bp->flags & BNXT_FLAG_AGG_RINGS) + rx_rings <<= 1; + cp = sh ? max_t(int, tx_rings_needed, rx) : tx_rings_needed + rx; + return bnxt_hwrm_check_rings(bp, tx_rings_needed, rx_rings, rx, cp); } static void bnxt_unmap_bars(struct bnxt *bp, struct pci_dev *pdev) @@ -7717,12 +8149,8 @@ int bnxt_port_attr_get(struct bnxt *bp, struct switchdev_attr *attr) switch (attr->id) { case SWITCHDEV_ATTR_ID_PORT_PARENT_ID: - /* In SRIOV each PF-pool (PF + child VFs) serves as a - * switching domain, the PF's perm mac-addr can be used - * as the unique parent-id - */ - attr->u.ppid.id_len = ETH_ALEN; - ether_addr_copy(attr->u.ppid.id, bp->pf.mac_addr); + attr->u.ppid.id_len = sizeof(bp->switch_id); + memcpy(attr->u.ppid.id, bp->switch_id, attr->u.ppid.id_len); break; default: return -EOPNOTSUPP; @@ -7800,8 +8228,6 @@ static void bnxt_remove_one(struct pci_dev *pdev) bnxt_dcb_free(bp); kfree(bp->edev); bp->edev = NULL; - if (bp->xdp_prog) - bpf_prog_put(bp->xdp_prog); bnxt_cleanup_pci(bp); free_netdev(dev); } @@ -7869,24 +8295,14 @@ static int bnxt_get_max_irq(struct pci_dev *pdev) static void _bnxt_get_max_rings(struct bnxt *bp, int *max_rx, int *max_tx, int *max_cp) { + struct bnxt_hw_resc *hw_resc = &bp->hw_resc; int max_ring_grps = 0; -#ifdef CONFIG_BNXT_SRIOV - if (!BNXT_PF(bp)) { - *max_tx = bp->vf.max_tx_rings; - *max_rx = bp->vf.max_rx_rings; - *max_cp = min_t(int, bp->vf.max_irqs, bp->vf.max_cp_rings); - *max_cp = min_t(int, *max_cp, bp->vf.max_stat_ctxs); - max_ring_grps = bp->vf.max_hw_ring_grps; - } else -#endif - { - *max_tx = bp->pf.max_tx_rings; - *max_rx = bp->pf.max_rx_rings; - *max_cp = min_t(int, bp->pf.max_irqs, bp->pf.max_cp_rings); - *max_cp = min_t(int, *max_cp, bp->pf.max_stat_ctxs); - max_ring_grps = bp->pf.max_hw_ring_grps; - } + *max_tx = hw_resc->max_tx_rings; + *max_rx = hw_resc->max_rx_rings; + *max_cp = min_t(int, hw_resc->max_irqs, hw_resc->max_cp_rings); + *max_cp = min_t(int, *max_cp, hw_resc->max_stat_ctxs); + max_ring_grps = hw_resc->max_hw_ring_grps; if (BNXT_CHIP_TYPE_NITRO_A0(bp) && BNXT_PF(bp)) { *max_cp -= 1; *max_rx -= 2; @@ -7922,8 +8338,8 @@ static int bnxt_get_dflt_rings(struct bnxt *bp, int *max_rx, int *max_tx, if (rc) return rc; bp->flags |= BNXT_FLAG_NO_AGG_RINGS; - bp->dev->hw_features &= ~NETIF_F_LRO; - bp->dev->features &= ~NETIF_F_LRO; + bp->dev->hw_features &= ~(NETIF_F_LRO | NETIF_F_GRO_HW); + bp->dev->features &= ~(NETIF_F_LRO | NETIF_F_GRO_HW); bnxt_set_ring_params(bp); } @@ -7951,6 +8367,17 @@ static int bnxt_get_dflt_rings(struct bnxt *bp, int *max_rx, int *max_tx, return rc; } +/* In initial default shared ring setting, each shared ring must have a + * RX/TX ring pair. + */ +static void bnxt_trim_dflt_sh_rings(struct bnxt *bp) +{ + bp->cp_nr_rings = min_t(int, bp->tx_nr_rings_per_tc, bp->rx_nr_rings); + bp->rx_nr_rings = bp->cp_nr_rings; + bp->tx_nr_rings_per_tc = bp->cp_nr_rings; + bp->tx_nr_rings = bp->tx_nr_rings_per_tc; +} + static int bnxt_set_dflt_rings(struct bnxt *bp, bool sh) { int dflt_rings, max_rx_rings, max_tx_rings, rc; @@ -7966,14 +8393,26 @@ static int bnxt_set_dflt_rings(struct bnxt *bp, bool sh) return rc; bp->rx_nr_rings = min_t(int, dflt_rings, max_rx_rings); bp->tx_nr_rings_per_tc = min_t(int, dflt_rings, max_tx_rings); + if (sh) + bnxt_trim_dflt_sh_rings(bp); + else + bp->cp_nr_rings = bp->tx_nr_rings_per_tc + bp->rx_nr_rings; + bp->tx_nr_rings = bp->tx_nr_rings_per_tc; - rc = bnxt_hwrm_reserve_tx_rings(bp, &bp->tx_nr_rings_per_tc); + rc = __bnxt_reserve_rings(bp); if (rc) netdev_warn(bp->dev, "Unable to reserve tx rings\n"); + bp->tx_nr_rings_per_tc = bp->tx_nr_rings; + if (sh) + bnxt_trim_dflt_sh_rings(bp); - bp->tx_nr_rings = bp->tx_nr_rings_per_tc; - bp->cp_nr_rings = sh ? max_t(int, bp->tx_nr_rings, bp->rx_nr_rings) : - bp->tx_nr_rings + bp->rx_nr_rings; + /* Rings may have been trimmed, re-reserve the trimmed rings. */ + if (bnxt_need_reserve_rings(bp)) { + rc = __bnxt_reserve_rings(bp); + if (rc) + netdev_warn(bp->dev, "2nd rings reservation failed.\n"); + bp->tx_nr_rings_per_tc = bp->tx_nr_rings; + } bp->num_stat_ctxs = bp->cp_nr_rings; if (BNXT_CHIP_TYPE_NITRO_A0(bp)) { bp->rx_nr_rings++; @@ -7982,11 +8421,23 @@ static int bnxt_set_dflt_rings(struct bnxt *bp, bool sh) return rc; } -void bnxt_restore_pf_fw_resources(struct bnxt *bp) +int bnxt_restore_pf_fw_resources(struct bnxt *bp) { + int rc; + ASSERT_RTNL(); + if (bnxt_ulp_registered(bp->edev, BNXT_ROCE_ULP)) + return 0; + bnxt_hwrm_func_qcaps(bp); - bnxt_subtract_ulp_resources(bp, BNXT_ROCE_ULP); + __bnxt_close_nic(bp, true, false); + bnxt_clear_int_mode(bp); + rc = bnxt_init_int_mode(bp); + if (rc) + dev_close(bp->dev); + else + rc = bnxt_open_nic(bp, true, false); + return rc; } static int bnxt_init_mac_addr(struct bnxt *bp) @@ -8000,7 +8451,7 @@ static int bnxt_init_mac_addr(struct bnxt *bp) struct bnxt_vf_info *vf = &bp->vf; if (is_valid_ether_addr(vf->mac_addr)) { - /* overwrite netdev dev_adr with admin VF MAC */ + /* overwrite netdev dev_addr with admin VF MAC */ memcpy(bp->dev->dev_addr, vf->mac_addr, ETH_ALEN); } else { eth_hw_addr_random(bp->dev); @@ -8106,7 +8557,11 @@ static int bnxt_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) dev->vlan_features = dev->hw_features | NETIF_F_HIGHDMA; dev->hw_features |= NETIF_F_HW_VLAN_CTAG_RX | NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_STAG_RX | NETIF_F_HW_VLAN_STAG_TX; + if (!BNXT_CHIP_TYPE_NITRO_A0(bp)) + dev->hw_features |= NETIF_F_GRO_HW; dev->features |= dev->hw_features | NETIF_F_HIGHDMA; + if (dev->features & NETIF_F_GRO_HW) + dev->features &= ~NETIF_F_LRO; dev->priv_flags |= IFF_UNICAST_FLT; #ifdef CONFIG_BNXT_SRIOV @@ -8208,6 +8663,8 @@ static int bnxt_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) else device_set_wakeup_capable(&pdev->dev, false); + bnxt_hwrm_set_cache_line_size(bp, cache_line_size()); + if (BNXT_PF(bp)) { if (!bnxt_pf_wq) { bnxt_pf_wq = |