diff options
Diffstat (limited to 'drivers/net/ethernet/broadcom/bnxt/bnxt.c')
| -rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt.c | 164 |
1 files changed, 109 insertions, 55 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index 8314c00d7537..7134d2c3eb1c 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -54,6 +54,7 @@ #include <net/pkt_cls.h> #include <linux/hwmon.h> #include <linux/hwmon-sysfs.h> +#include <net/page_pool.h> #include "bnxt_hsi.h" #include "bnxt.h" @@ -668,19 +669,20 @@ next_tx_int: } static struct page *__bnxt_alloc_rx_page(struct bnxt *bp, dma_addr_t *mapping, + struct bnxt_rx_ring_info *rxr, gfp_t gfp) { struct device *dev = &bp->pdev->dev; struct page *page; - page = alloc_page(gfp); + page = page_pool_dev_alloc_pages(rxr->page_pool); if (!page) return NULL; *mapping = dma_map_page_attrs(dev, page, 0, PAGE_SIZE, bp->rx_dir, DMA_ATTR_WEAK_ORDERING); if (dma_mapping_error(dev, *mapping)) { - __free_page(page); + page_pool_recycle_direct(rxr->page_pool, page); return NULL; } *mapping += bp->rx_dma_offset; @@ -716,7 +718,8 @@ int bnxt_alloc_rx_data(struct bnxt *bp, struct bnxt_rx_ring_info *rxr, dma_addr_t mapping; if (BNXT_RX_PAGE_MODE(bp)) { - struct page *page = __bnxt_alloc_rx_page(bp, &mapping, gfp); + struct page *page = + __bnxt_alloc_rx_page(bp, &mapping, rxr, gfp); if (!page) return -ENOMEM; @@ -1642,6 +1645,8 @@ static int bnxt_rx_pkt(struct bnxt *bp, struct bnxt_cp_ring_info *cpr, skb = bnxt_copy_skb(bnapi, data_ptr, len, dma_addr); bnxt_reuse_rx_data(rxr, cons, data); if (!skb) { + if (agg_bufs) + bnxt_reuse_rx_agg_bufs(cpr, cp_cons, agg_bufs); rc = -ENOMEM; goto next_rx; } @@ -1987,6 +1992,9 @@ static int __bnxt_poll_work(struct bnxt *bp, struct bnxt_cp_ring_info *cpr, } } + if (event & BNXT_REDIRECT_EVENT) + xdp_do_flush_map(); + if (event & BNXT_TX_EVENT) { struct bnxt_tx_ring_info *txr = bnapi->tx_ring; u16 prod = txr->tx_prod; @@ -2128,12 +2136,12 @@ static int bnxt_poll(struct napi_struct *napi, int budget) } } if (bp->flags & BNXT_FLAG_DIM) { - struct net_dim_sample dim_sample; + struct dim_sample dim_sample; - net_dim_sample(cpr->event_ctr, - cpr->rx_packets, - cpr->rx_bytes, - &dim_sample); + dim_update_sample(cpr->event_ctr, + cpr->rx_packets, + cpr->rx_bytes, + &dim_sample); net_dim(&cpr->dim, dim_sample); } return work_done; @@ -2252,9 +2260,23 @@ static void bnxt_free_tx_skbs(struct bnxt *bp) for (j = 0; j < max_idx;) { struct bnxt_sw_tx_bd *tx_buf = &txr->tx_buf_ring[j]; - struct sk_buff *skb = tx_buf->skb; + struct sk_buff *skb; int k, last; + if (i < bp->tx_nr_rings_xdp && + tx_buf->action == XDP_REDIRECT) { + dma_unmap_single(&pdev->dev, + dma_unmap_addr(tx_buf, mapping), + dma_unmap_len(tx_buf, len), + PCI_DMA_TODEVICE); + xdp_return_frame(tx_buf->xdpf); + tx_buf->action = 0; + tx_buf->xdpf = NULL; + j++; + continue; + } + + skb = tx_buf->skb; if (!skb) { j++; continue; @@ -2341,7 +2363,7 @@ static void bnxt_free_rx_skbs(struct bnxt *bp) dma_unmap_page_attrs(&pdev->dev, mapping, PAGE_SIZE, bp->rx_dir, DMA_ATTR_WEAK_ORDERING); - __free_page(data); + page_pool_recycle_direct(rxr->page_pool, data); } else { dma_unmap_single_attrs(&pdev->dev, mapping, bp->rx_buf_use_size, @@ -2478,6 +2500,9 @@ static void bnxt_free_rx_rings(struct bnxt *bp) if (xdp_rxq_info_is_reg(&rxr->xdp_rxq)) xdp_rxq_info_unreg(&rxr->xdp_rxq); + page_pool_destroy(rxr->page_pool); + rxr->page_pool = NULL; + kfree(rxr->rx_tpa); rxr->rx_tpa = NULL; @@ -2492,6 +2517,26 @@ static void bnxt_free_rx_rings(struct bnxt *bp) } } +static int bnxt_alloc_rx_page_pool(struct bnxt *bp, + struct bnxt_rx_ring_info *rxr) +{ + struct page_pool_params pp = { 0 }; + + pp.pool_size = bp->rx_ring_size; + pp.nid = dev_to_node(&bp->pdev->dev); + pp.dev = &bp->pdev->dev; + pp.dma_dir = DMA_BIDIRECTIONAL; + + rxr->page_pool = page_pool_create(&pp); + if (IS_ERR(rxr->page_pool)) { + int err = PTR_ERR(rxr->page_pool); + + rxr->page_pool = NULL; + return err; + } + return 0; +} + static int bnxt_alloc_rx_rings(struct bnxt *bp) { int i, rc, agg_rings = 0, tpa_rings = 0; @@ -2511,10 +2556,22 @@ static int bnxt_alloc_rx_rings(struct bnxt *bp) ring = &rxr->rx_ring_struct; + rc = bnxt_alloc_rx_page_pool(bp, rxr); + if (rc) + return rc; + rc = xdp_rxq_info_reg(&rxr->xdp_rxq, bp->dev, i); if (rc < 0) return rc; + rc = xdp_rxq_info_reg_mem_model(&rxr->xdp_rxq, + MEM_TYPE_PAGE_POOL, + rxr->page_pool); + if (rc) { + xdp_rxq_info_unreg(&rxr->xdp_rxq); + return rc; + } + rc = bnxt_alloc_ring(bp, &ring->ring_mem); if (rc) return rc; @@ -2620,8 +2677,6 @@ static int bnxt_alloc_tx_rings(struct bnxt *bp) mapping = txr->tx_push_mapping + sizeof(struct tx_push_bd); txr->data_mapping = cpu_to_le64(mapping); - - memset(txr->tx_push, 0, sizeof(struct tx_push_bd)); } qidx = bp->tc_to_qidx[j]; ring->queue_id = bp->q_info[qidx].queue_id; @@ -3020,7 +3075,7 @@ static int bnxt_alloc_vnics(struct bnxt *bp) int num_vnics = 1; #ifdef CONFIG_RFS_ACCEL - if (bp->flags & BNXT_FLAG_RFS) + if ((bp->flags & (BNXT_FLAG_RFS | BNXT_FLAG_CHIP_P5)) == BNXT_FLAG_RFS) num_vnics += bp->rx_nr_rings; #endif @@ -5506,7 +5561,16 @@ static int bnxt_cp_rings_in_use(struct bnxt *bp) static int bnxt_get_func_stat_ctxs(struct bnxt *bp) { - return bp->cp_nr_rings + bnxt_get_ulp_stat_ctxs(bp); + int ulp_stat = bnxt_get_ulp_stat_ctxs(bp); + int cp = bp->cp_nr_rings; + + if (!ulp_stat) + return cp; + + if (bnxt_nq_rings_in_use(bp) > cp + bnxt_get_ulp_msix_num(bp)) + return bnxt_get_ulp_msix_base(bp) + ulp_stat; + + return cp + ulp_stat; } static bool bnxt_need_reserve_rings(struct bnxt *bp) @@ -6377,7 +6441,7 @@ static int bnxt_alloc_ctx_mem(struct bnxt *bp) if (!ctx || (ctx->flags & BNXT_CTX_FLAG_INITED)) return 0; - if (bp->flags & BNXT_FLAG_ROCE_CAP) { + if ((bp->flags & BNXT_FLAG_ROCE_CAP) && !is_kdump_kernel()) { pg_lvl = 2; extra_qps = 65536; extra_srqs = 8192; @@ -7122,6 +7186,9 @@ static int bnxt_alloc_rfs_vnics(struct bnxt *bp) #ifdef CONFIG_RFS_ACCEL int i, rc = 0; + if (bp->flags & BNXT_FLAG_CHIP_P5) + return 0; + for (i = 0; i < bp->rx_nr_rings; i++) { struct bnxt_vnic_info *vnic; u16 vnic_id = i + 1; @@ -7475,11 +7542,7 @@ unsigned int bnxt_get_avail_cp_rings_for_en(struct bnxt *bp) unsigned int bnxt_get_avail_stat_ctxs_for_en(struct bnxt *bp) { - unsigned int stat; - - stat = bnxt_get_max_func_stat_ctxs(bp) - bnxt_get_ulp_stat_ctxs(bp); - stat -= bp->cp_nr_rings; - return stat; + return bnxt_get_max_func_stat_ctxs(bp) - bnxt_get_func_stat_ctxs(bp); } int bnxt_get_avail_msix(struct bnxt *bp, int num) @@ -7616,22 +7679,23 @@ static void bnxt_clear_int_mode(struct bnxt *bp) bp->flags &= ~BNXT_FLAG_USING_MSIX; } -int bnxt_reserve_rings(struct bnxt *bp) +int bnxt_reserve_rings(struct bnxt *bp, bool irq_re_init) { int tcs = netdev_get_num_tc(bp->dev); - bool reinit_irq = false; + bool irq_cleared = false; int rc; if (!bnxt_need_reserve_rings(bp)) return 0; - if (BNXT_NEW_RM(bp) && (bnxt_get_num_msix(bp) != bp->total_irqs)) { + if (irq_re_init && BNXT_NEW_RM(bp) && + bnxt_get_num_msix(bp) != bp->total_irqs) { bnxt_ulp_irq_stop(bp); bnxt_clear_int_mode(bp); - reinit_irq = true; + irq_cleared = true; } rc = __bnxt_reserve_rings(bp); - if (reinit_irq) { + if (irq_cleared) { if (!rc) rc = bnxt_init_int_mode(bp); bnxt_ulp_irq_restart(bp, rc); @@ -7810,7 +7874,7 @@ static void bnxt_enable_napi(struct bnxt *bp) 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; + cpr->dim.mode = DIM_CQ_PERIOD_MODE_START_FROM_EQE; } napi_enable(&bp->bnapi[i]->napi); } @@ -8530,7 +8594,7 @@ static int __bnxt_open_nic(struct bnxt *bp, bool irq_re_init, bool link_re_init) return rc; } } - rc = bnxt_reserve_rings(bp); + rc = bnxt_reserve_rings(bp, irq_re_init); if (rc) return rc; if ((bp->flags & BNXT_FLAG_RFS) && @@ -9584,7 +9648,7 @@ int bnxt_check_rings(struct bnxt *bp, int tx, int rx, bool sh, int tcs, return -ENOMEM; vnics = 1; - if (bp->flags & BNXT_FLAG_RFS) + if ((bp->flags & (BNXT_FLAG_RFS | BNXT_FLAG_CHIP_P5)) == BNXT_FLAG_RFS) vnics += rx_rings; if (bp->flags & BNXT_FLAG_AGG_RINGS) @@ -9844,32 +9908,19 @@ static int bnxt_setup_tc_block_cb(enum tc_setup_type type, void *type_data, } } -static int bnxt_setup_tc_block(struct net_device *dev, - struct tc_block_offload *f) -{ - struct bnxt *bp = netdev_priv(dev); - - if (f->binder_type != TCF_BLOCK_BINDER_TYPE_CLSACT_INGRESS) - return -EOPNOTSUPP; - - switch (f->command) { - case TC_BLOCK_BIND: - return tcf_block_cb_register(f->block, bnxt_setup_tc_block_cb, - bp, bp, f->extack); - case TC_BLOCK_UNBIND: - tcf_block_cb_unregister(f->block, bnxt_setup_tc_block_cb, bp); - return 0; - default: - return -EOPNOTSUPP; - } -} +static LIST_HEAD(bnxt_block_cb_list); static int bnxt_setup_tc(struct net_device *dev, enum tc_setup_type type, void *type_data) { + struct bnxt *bp = netdev_priv(dev); + switch (type) { case TC_SETUP_BLOCK: - return bnxt_setup_tc_block(dev, type_data); + return flow_block_cb_setup_simple(type_data, + &bnxt_block_cb_list, + bnxt_setup_tc_block_cb, + bp, bp, true); case TC_SETUP_QDISC_MQPRIO: { struct tc_mqprio_qopt *mqprio = type_data; @@ -10230,6 +10281,7 @@ static const struct net_device_ops bnxt_netdev_ops = { .ndo_udp_tunnel_add = bnxt_udp_tunnel_add, .ndo_udp_tunnel_del = bnxt_udp_tunnel_del, .ndo_bpf = bnxt_xdp, + .ndo_xdp_xmit = bnxt_xdp_xmit, .ndo_bridge_getlink = bnxt_bridge_getlink, .ndo_bridge_setlink = bnxt_bridge_setlink, .ndo_get_devlink_port = bnxt_get_devlink_port, @@ -10259,10 +10311,10 @@ static void bnxt_remove_one(struct pci_dev *pdev) bnxt_dcb_free(bp); kfree(bp->edev); bp->edev = NULL; + bnxt_cleanup_pci(bp); bnxt_free_ctx_mem(bp); kfree(bp->ctx); bp->ctx = NULL; - bnxt_cleanup_pci(bp); bnxt_free_port_stats(bp); free_netdev(dev); } @@ -10434,7 +10486,7 @@ static int bnxt_set_dflt_rings(struct bnxt *bp, bool sh) if (sh) bp->flags |= BNXT_FLAG_SHARED_RINGS; - dflt_rings = netif_get_num_default_rss_queues(); + dflt_rings = is_kdump_kernel() ? 1 : netif_get_num_default_rss_queues(); /* Reduce default rings on multi-port cards so that total default * rings do not exceed CPU count. */ @@ -10722,11 +10774,12 @@ static int bnxt_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) goto init_err_pci_clean; } - /* Read the adapter's DSN to use as the eswitch switch_id */ - rc = bnxt_pcie_dsn_get(bp, bp->switch_id); - if (rc) - goto init_err_pci_clean; - + if (BNXT_PF(bp)) { + /* Read the adapter's DSN to use as the eswitch switch_id */ + rc = bnxt_pcie_dsn_get(bp, bp->switch_id); + if (rc) + goto init_err_pci_clean; + } bnxt_hwrm_func_qcfg(bp); bnxt_hwrm_vnic_qcaps(bp); bnxt_hwrm_port_led_qcaps(bp); @@ -10855,6 +10908,7 @@ static void bnxt_shutdown(struct pci_dev *pdev) if (system_state == SYSTEM_POWER_OFF) { bnxt_clear_int_mode(bp); + pci_disable_device(pdev); pci_wake_from_d3(pdev, bp->wol); pci_set_power_state(pdev, PCI_D3hot); } |