diff options
| -rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt.c | 21 | ||||
| -rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt.h | 3 | ||||
| -rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c | 16 |
3 files changed, 27 insertions, 13 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index 811bc825bf90..412a8de8c2c8 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -2218,6 +2218,8 @@ static int bnxt_alloc_tx_rings(struct bnxt *bp) memset(txr->tx_push, 0, sizeof(struct tx_push_bd)); } ring->queue_id = bp->q_info[j].queue_id; + if (i < bp->tx_nr_rings_xdp) + continue; if (i % bp->tx_nr_rings_per_tc == (bp->tx_nr_rings_per_tc - 1)) j++; } @@ -3042,8 +3044,10 @@ static int bnxt_alloc_mem(struct bnxt *bp, bool irq_re_init) for (i = 0; i < bp->tx_nr_rings; i++, j++) { bp->tx_ring[i].bnapi = bp->bnapi[j]; bp->bnapi[j]->tx_ring = &bp->tx_ring[i]; - bp->tx_ring_map[i] = i; - bp->tx_ring[i].txq_index = i; + bp->tx_ring_map[i] = bp->tx_nr_rings_xdp + i; + if (i >= bp->tx_nr_rings_xdp) + bp->tx_ring[i].txq_index = i - + bp->tx_nr_rings_xdp; } rc = bnxt_alloc_stats(bp); @@ -4966,7 +4970,8 @@ static int bnxt_set_real_num_queues(struct bnxt *bp) int rc; struct net_device *dev = bp->dev; - rc = netif_set_real_num_tx_queues(dev, bp->tx_nr_rings); + rc = netif_set_real_num_tx_queues(dev, bp->tx_nr_rings - + bp->tx_nr_rings_xdp); if (rc) return rc; @@ -6582,7 +6587,7 @@ static void bnxt_sp_task(struct work_struct *work) } /* Under rtnl_lock */ -int bnxt_reserve_rings(struct bnxt *bp, int tx, int rx, int tcs) +int bnxt_reserve_rings(struct bnxt *bp, int tx, int rx, int tcs, int tx_xdp) { int max_rx, max_tx, tx_sets = 1; int tx_rings_needed; @@ -6602,12 +6607,12 @@ int bnxt_reserve_rings(struct bnxt *bp, int tx, int rx, int tcs) if (max_rx < rx) return -ENOMEM; - tx_rings_needed = tx * tx_sets; + tx_rings_needed = tx * tx_sets + tx_xdp; if (max_tx < tx_rings_needed) return -ENOMEM; if (bnxt_hwrm_reserve_tx_rings(bp, &tx_rings_needed) || - tx_rings_needed < (tx * tx_sets)) + tx_rings_needed < (tx * tx_sets + tx_xdp)) return -ENOMEM; return 0; } @@ -6788,8 +6793,8 @@ int bnxt_setup_mq_tc(struct net_device *dev, u8 tc) if (bp->flags & BNXT_FLAG_SHARED_RINGS) sh = true; - rc = bnxt_reserve_rings(bp, bp->tx_nr_rings_per_tc, - bp->rx_nr_rings, tc); + rc = bnxt_reserve_rings(bp, bp->tx_nr_rings_per_tc, bp->rx_nr_rings, + tc, bp->tx_nr_rings_xdp); if (rc) return rc; diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.h b/drivers/net/ethernet/broadcom/bnxt/bnxt.h index 97ccce184694..4c3289a7fea8 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.h +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.h @@ -1026,6 +1026,7 @@ struct bnxt { int tx_nr_pages; int tx_nr_rings; int tx_nr_rings_per_tc; + int tx_nr_rings_xdp; int tx_wake_thresh; int tx_push_thresh; @@ -1203,7 +1204,7 @@ int bnxt_hwrm_set_link_setting(struct bnxt *, bool, bool); int bnxt_hwrm_fw_set_time(struct bnxt *); int bnxt_open_nic(struct bnxt *, bool, bool); int bnxt_close_nic(struct bnxt *, bool, bool); -int bnxt_reserve_rings(struct bnxt *bp, int tx, int rx, int tcs); +int bnxt_reserve_rings(struct bnxt *bp, int tx, int rx, int tcs, int tx_xdp); int bnxt_setup_mq_tc(struct net_device *dev, u8 tc); int bnxt_get_max_rings(struct bnxt *, int *, int *, bool); void bnxt_restore_pf_fw_resources(struct bnxt *bp); diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c index 6f2568d2354e..7aa248db10c6 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c @@ -389,6 +389,7 @@ static int bnxt_set_channels(struct net_device *dev, struct bnxt *bp = netdev_priv(dev); int req_tx_rings, req_rx_rings, tcs; bool sh = false; + int tx_xdp = 0; int rc = 0; if (channel->other_count) @@ -413,7 +414,14 @@ static int bnxt_set_channels(struct net_device *dev, req_tx_rings = sh ? channel->combined_count : channel->tx_count; req_rx_rings = sh ? channel->combined_count : channel->rx_count; - rc = bnxt_reserve_rings(bp, req_tx_rings, req_rx_rings, tcs); + if (bp->tx_nr_rings_xdp) { + if (!sh) { + netdev_err(dev, "Only combined mode supported when XDP is enabled.\n"); + return -EINVAL; + } + tx_xdp = req_rx_rings; + } + rc = bnxt_reserve_rings(bp, req_tx_rings, req_rx_rings, tcs, tx_xdp); if (rc) { netdev_warn(dev, "Unable to allocate the requested rings\n"); return rc; @@ -442,10 +450,10 @@ static int bnxt_set_channels(struct net_device *dev, bp->rx_nr_rings = channel->rx_count; bp->tx_nr_rings_per_tc = channel->tx_count; } - - bp->tx_nr_rings = bp->tx_nr_rings_per_tc; + bp->tx_nr_rings_xdp = tx_xdp; + bp->tx_nr_rings = bp->tx_nr_rings_per_tc + tx_xdp; if (tcs > 1) - bp->tx_nr_rings = bp->tx_nr_rings_per_tc * tcs; + bp->tx_nr_rings = bp->tx_nr_rings_per_tc * tcs + tx_xdp; bp->cp_nr_rings = sh ? max_t(int, bp->tx_nr_rings, bp->rx_nr_rings) : bp->tx_nr_rings + bp->rx_nr_rings; |