diff options
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en.h | 6 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c | 58 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en_main.c | 11 |
3 files changed, 54 insertions, 21 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en.h b/drivers/net/ethernet/mellanox/mlx5/core/en.h index fab49cbdb85d..20b3432b35de 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/en.h @@ -411,6 +411,11 @@ struct mlx5e_xdp_info_fifo { u32 mask; }; +struct mlx5e_xdp_wqe_info { + u8 num_wqebbs; + u8 num_ds; +}; + struct mlx5e_xdpsq { /* data path */ @@ -430,6 +435,7 @@ struct mlx5e_xdpsq { struct mlx5_wq_cyc wq; struct mlx5e_xdpsq_stats *stats; struct { + struct mlx5e_xdp_wqe_info *wqe_info; struct mlx5e_xdp_info_fifo xdpi_fifo; } db; void __iomem *uar_map; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c b/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c index fe8788a7744e..5e5e43ea9b53 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c @@ -199,19 +199,27 @@ bool mlx5e_poll_xdpsq_cq(struct mlx5e_cq *cq, struct mlx5e_rq *rq) get_cqe_opcode(cqe)); do { - struct mlx5e_xdp_info xdpi = - mlx5e_xdpi_fifo_pop(xdpi_fifo); + struct mlx5e_xdp_wqe_info *wi; + u16 ci, j; last_wqe = (sqcc == wqe_counter); - sqcc++; - - if (is_redirect) { - xdp_return_frame(xdpi.xdpf); - dma_unmap_single(sq->pdev, xdpi.dma_addr, - xdpi.xdpf->len, DMA_TO_DEVICE); - } else { - /* Recycle RX page */ - mlx5e_page_release(rq, &xdpi.di, true); + ci = mlx5_wq_cyc_ctr2ix(&sq->wq, sqcc); + wi = &sq->db.wqe_info[ci]; + + sqcc += wi->num_wqebbs; + + for (j = 0; j < wi->num_ds; j++) { + struct mlx5e_xdp_info xdpi = + mlx5e_xdpi_fifo_pop(xdpi_fifo); + + if (is_redirect) { + xdp_return_frame(xdpi.xdpf); + dma_unmap_single(sq->pdev, xdpi.dma_addr, + xdpi.xdpf->len, DMA_TO_DEVICE); + } else { + /* Recycle RX page */ + mlx5e_page_release(rq, &xdpi.di, true); + } } } while (!last_wqe); } while ((++i < MLX5E_TX_CQ_POLL_BUDGET) && (cqe = mlx5_cqwq_get_cqe(&cq->wq))); @@ -233,18 +241,26 @@ void mlx5e_free_xdpsq_descs(struct mlx5e_xdpsq *sq, struct mlx5e_rq *rq) bool is_redirect = !rq; while (sq->cc != sq->pc) { - struct mlx5e_xdp_info xdpi = - mlx5e_xdpi_fifo_pop(xdpi_fifo); + struct mlx5e_xdp_wqe_info *wi; + u16 ci, i; - sq->cc++; + ci = mlx5_wq_cyc_ctr2ix(&sq->wq, sq->cc); + wi = &sq->db.wqe_info[ci]; - if (is_redirect) { - xdp_return_frame(xdpi.xdpf); - dma_unmap_single(sq->pdev, xdpi.dma_addr, - xdpi.xdpf->len, DMA_TO_DEVICE); - } else { - /* Recycle RX page */ - mlx5e_page_release(rq, &xdpi.di, false); + sq->cc += wi->num_wqebbs; + + for (i = 0; i < wi->num_ds; i++) { + struct mlx5e_xdp_info xdpi = + mlx5e_xdpi_fifo_pop(xdpi_fifo); + + if (is_redirect) { + xdp_return_frame(xdpi.xdpf); + dma_unmap_single(sq->pdev, xdpi.dma_addr, + xdpi.xdpf->len, DMA_TO_DEVICE); + } else { + /* Recycle RX page */ + mlx5e_page_release(rq, &xdpi.di, false); + } } } } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c index a9f773f6d09a..7086c73d5915 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c @@ -993,6 +993,7 @@ static void mlx5e_close_rq(struct mlx5e_rq *rq) static void mlx5e_free_xdpsq_db(struct mlx5e_xdpsq *sq) { kvfree(sq->db.xdpi_fifo.xi); + kvfree(sq->db.wqe_info); } static int mlx5e_alloc_xdpsq_fifo(struct mlx5e_xdpsq *sq, int numa) @@ -1015,8 +1016,14 @@ static int mlx5e_alloc_xdpsq_fifo(struct mlx5e_xdpsq *sq, int numa) static int mlx5e_alloc_xdpsq_db(struct mlx5e_xdpsq *sq, int numa) { + int wq_sz = mlx5_wq_cyc_get_size(&sq->wq); int err; + sq->db.wqe_info = kvzalloc_node(sizeof(*sq->db.wqe_info) * wq_sz, + GFP_KERNEL, numa); + if (!sq->db.wqe_info) + return -ENOMEM; + err = mlx5e_alloc_xdpsq_fifo(sq, numa); if (err) { mlx5e_free_xdpsq_db(sq); @@ -1606,6 +1613,7 @@ static int mlx5e_open_xdpsq(struct mlx5e_channel *c, /* Pre initialize fixed WQE fields */ for (i = 0; i < mlx5_wq_cyc_get_size(&sq->wq); i++) { + struct mlx5e_xdp_wqe_info *wi = &sq->db.wqe_info[i]; struct mlx5e_tx_wqe *wqe = mlx5_wq_cyc_get_wqe(&sq->wq, i); struct mlx5_wqe_ctrl_seg *cseg = &wqe->ctrl; struct mlx5_wqe_eth_seg *eseg = &wqe->eth; @@ -1616,6 +1624,9 @@ static int mlx5e_open_xdpsq(struct mlx5e_channel *c, dseg = (struct mlx5_wqe_data_seg *)cseg + (ds_cnt - 1); dseg->lkey = sq->mkey_be; + + wi->num_wqebbs = 1; + wi->num_ds = 1; } return 0; |