From 38a36efccd902939cc415f3757fb0d9a0f0618f9 Mon Sep 17 00:00:00 2001 From: Dragos Tatulea Date: Fri, 17 Feb 2023 12:56:30 +0200 Subject: [PATCH] net/mlx5e: RX, Rename xdp_xmit_bitmap to a more generic name The xdp_xmit_bitmap currently serves only one purpose: to avoid releasing pages that are still in use due to XDP TX. A following patch will use this bitmap in a slightly different context but for the same purpose. So rename the bitmap to a more generic name that reflects the purpose not the context. Signed-off-by: Dragos Tatulea Reviewed-by: Tariq Toukan Signed-off-by: Saeed Mahameed --- drivers/net/ethernet/mellanox/mlx5/core/en.h | 2 +- drivers/net/ethernet/mellanox/mlx5/core/en/xsk/rx.c | 4 ++-- drivers/net/ethernet/mellanox/mlx5/core/en_rx.c | 12 ++++++------ 3 files changed, 9 insertions(+), 9 deletions(-) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en.h b/drivers/net/ethernet/mellanox/mlx5/core/en.h index 0862556105d5..566ddf7a7aa9 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/en.h @@ -622,7 +622,7 @@ union mlx5e_alloc_units { struct mlx5e_mpw_info { u16 consumed_strides; - DECLARE_BITMAP(xdp_xmit_bitmap, MLX5_MPWRQ_MAX_PAGES_PER_WQE); + DECLARE_BITMAP(skip_release_bitmap, MLX5_MPWRQ_MAX_PAGES_PER_WQE); union mlx5e_alloc_units alloc_units; }; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/rx.c b/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/rx.c index b2c1af07c317..3cde264cbe4e 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/rx.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/rx.c @@ -120,7 +120,7 @@ int mlx5e_xsk_alloc_rx_mpwqe(struct mlx5e_rq *rq, u16 ix) } } - bitmap_zero(wi->xdp_xmit_bitmap, rq->mpwqe.pages_per_wqe); + bitmap_zero(wi->skip_release_bitmap, rq->mpwqe.pages_per_wqe); wi->consumed_strides = 0; umr_wqe->ctrl.opmod_idx_opcode = @@ -289,7 +289,7 @@ struct sk_buff *mlx5e_xsk_skb_from_cqe_mpwrq_linear(struct mlx5e_rq *rq, prog = rcu_dereference(rq->xdp_prog); if (likely(prog && mlx5e_xdp_handle(rq, prog, mxbuf))) { if (likely(__test_and_clear_bit(MLX5E_RQ_FLAG_XDP_XMIT, rq->flags))) - __set_bit(page_idx, wi->xdp_xmit_bitmap); /* non-atomic */ + __set_bit(page_idx, wi->skip_release_bitmap); /* non-atomic */ return NULL; /* page/packet was consumed by XDP */ } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c index 7724e30ec133..eab8cba33ce4 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c @@ -439,10 +439,10 @@ mlx5e_free_rx_mpwqe(struct mlx5e_rq *rq, struct mlx5e_mpw_info *wi, bool recycle int i; /* A common case for AF_XDP. */ - if (bitmap_full(wi->xdp_xmit_bitmap, rq->mpwqe.pages_per_wqe)) + if (bitmap_full(wi->skip_release_bitmap, rq->mpwqe.pages_per_wqe)) return; - no_xdp_xmit = bitmap_empty(wi->xdp_xmit_bitmap, rq->mpwqe.pages_per_wqe); + no_xdp_xmit = bitmap_empty(wi->skip_release_bitmap, rq->mpwqe.pages_per_wqe); if (rq->xsk_pool) { struct xdp_buff **xsk_buffs = wi->alloc_units.xsk_buffs; @@ -452,11 +452,11 @@ mlx5e_free_rx_mpwqe(struct mlx5e_rq *rq, struct mlx5e_mpw_info *wi, bool recycle * the page to the userspace when the interface goes down. */ for (i = 0; i < rq->mpwqe.pages_per_wqe; i++) - if (no_xdp_xmit || !test_bit(i, wi->xdp_xmit_bitmap)) + if (no_xdp_xmit || !test_bit(i, wi->skip_release_bitmap)) xsk_buff_free(xsk_buffs[i]); } else { for (i = 0; i < rq->mpwqe.pages_per_wqe; i++) { - if (no_xdp_xmit || !test_bit(i, wi->xdp_xmit_bitmap)) { + if (no_xdp_xmit || !test_bit(i, wi->skip_release_bitmap)) { struct mlx5e_frag_page *frag_page; frag_page = &wi->alloc_units.frag_pages[i]; @@ -687,7 +687,7 @@ static int mlx5e_alloc_rx_mpwqe(struct mlx5e_rq *rq, u16 ix) sizeof(*umr_wqe->inline_mtts) * pad); } - bitmap_zero(wi->xdp_xmit_bitmap, rq->mpwqe.pages_per_wqe); + bitmap_zero(wi->skip_release_bitmap, rq->mpwqe.pages_per_wqe); wi->consumed_strides = 0; umr_wqe->ctrl.opmod_idx_opcode = @@ -1970,7 +1970,7 @@ mlx5e_skb_from_cqe_mpwrq_linear(struct mlx5e_rq *rq, struct mlx5e_mpw_info *wi, mlx5e_fill_mxbuf(rq, cqe, va, rx_headroom, cqe_bcnt, &mxbuf); if (mlx5e_xdp_handle(rq, prog, &mxbuf)) { if (__test_and_clear_bit(MLX5E_RQ_FLAG_XDP_XMIT, rq->flags)) - __set_bit(page_idx, wi->xdp_xmit_bitmap); /* non-atomic */ + __set_bit(page_idx, wi->skip_release_bitmap); /* non-atomic */ return NULL; /* page/packet was consumed by XDP */ } -- 2.11.0