diff options
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/en/params.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en/params.c | 33 |
1 files changed, 21 insertions, 12 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/params.c b/drivers/net/ethernet/mellanox/mlx5/core/en/params.c index 5d213a988..a3f31d9d5 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/params.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/params.c @@ -240,11 +240,14 @@ static u32 mlx5e_rx_get_linear_sz_xsk(struct mlx5e_params *params, return xsk->headroom + hw_mtu; } -static u32 mlx5e_rx_get_linear_sz_skb(struct mlx5e_params *params, bool xsk) +static u32 mlx5e_rx_get_linear_sz_skb(struct mlx5e_params *params, bool no_head_tail_room) { - /* SKBs built on XDP_PASS on XSK RQs don't have headroom. */ - u16 headroom = xsk ? 0 : mlx5e_get_linear_rq_headroom(params, NULL); u32 hw_mtu = MLX5E_SW2HW_MTU(params, params->sw_mtu); + u16 headroom; + + if (no_head_tail_room) + return SKB_DATA_ALIGN(hw_mtu); + headroom = mlx5e_get_linear_rq_headroom(params, NULL); return MLX5_SKB_FRAG_SZ(headroom + hw_mtu); } @@ -254,6 +257,7 @@ static u32 mlx5e_rx_get_linear_stride_sz(struct mlx5_core_dev *mdev, struct mlx5e_xsk_param *xsk, bool mpwqe) { + bool no_head_tail_room; u32 sz; /* XSK frames are mapped as individual pages, because frames may come in @@ -262,7 +266,13 @@ static u32 mlx5e_rx_get_linear_stride_sz(struct mlx5_core_dev *mdev, if (xsk) return mpwqe ? 1 << mlx5e_mpwrq_page_shift(mdev, xsk) : PAGE_SIZE; - sz = roundup_pow_of_two(mlx5e_rx_get_linear_sz_skb(params, false)); + no_head_tail_room = params->xdp_prog && mpwqe && !mlx5e_rx_is_linear_skb(mdev, params, xsk); + + /* When no_head_tail_room is set, headroom and tailroom are excluded from skb calculations. + * no_head_tail_room should be set in the case of XDP with Striding RQ + * when SKB is not linear. This is because another page is allocated for the linear part. + */ + sz = roundup_pow_of_two(mlx5e_rx_get_linear_sz_skb(params, no_head_tail_room)); /* XDP in mlx5e doesn't support multiple packets per page. * Do not assume sz <= PAGE_SIZE if params->xdp_prog is set. @@ -289,7 +299,11 @@ bool mlx5e_rx_is_linear_skb(struct mlx5_core_dev *mdev, if (params->packet_merge.type != MLX5E_PACKET_MERGE_NONE) return false; - /* Both XSK and non-XSK cases allocate an SKB on XDP_PASS. Packet data + /* Call mlx5e_rx_get_linear_sz_skb with the no_head_tail_room parameter set + * to exclude headroom and tailroom from calculations. + * no_head_tail_room is true when SKB is built on XDP_PASS on XSK RQs + * since packet data buffers don't have headroom and tailroom resreved for the SKB. + * Both XSK and non-XSK cases allocate an SKB on XDP_PASS. Packet data * must fit into a CPU page. */ if (mlx5e_rx_get_linear_sz_skb(params, xsk) > PAGE_SIZE) @@ -674,7 +688,7 @@ void mlx5e_build_create_cq_param(struct mlx5e_create_cq_param *ccp, struct mlx5e .napi = &c->napi, .ch_stats = c->stats, .node = cpu_to_node(c->cpu), - .ix = c->ix, + .ix = c->vec_ix, }; } @@ -945,7 +959,6 @@ static u8 rq_end_pad_mode(struct mlx5_core_dev *mdev, struct mlx5e_params *param int mlx5e_build_rq_param(struct mlx5_core_dev *mdev, struct mlx5e_params *params, struct mlx5e_xsk_param *xsk, - u16 q_counter, struct mlx5e_rq_param *param) { void *rqc = param->rqc; @@ -1007,7 +1020,6 @@ int mlx5e_build_rq_param(struct mlx5_core_dev *mdev, MLX5_SET(wq, wq, log_wq_stride, mlx5e_get_rqwq_log_stride(params->rq_wq_type, ndsegs)); MLX5_SET(wq, wq, pd, mdev->mlx5e_res.hw_objs.pdn); - MLX5_SET(rqc, rqc, counter_set_id, q_counter); MLX5_SET(rqc, rqc, vsd, params->vlan_strip_disable); MLX5_SET(rqc, rqc, scatter_fcs, params->scatter_fcs_en); @@ -1018,7 +1030,6 @@ int mlx5e_build_rq_param(struct mlx5_core_dev *mdev, } void mlx5e_build_drop_rq_param(struct mlx5_core_dev *mdev, - u16 q_counter, struct mlx5e_rq_param *param) { void *rqc = param->rqc; @@ -1027,7 +1038,6 @@ void mlx5e_build_drop_rq_param(struct mlx5_core_dev *mdev, MLX5_SET(wq, wq, wq_type, MLX5_WQ_TYPE_CYCLIC); MLX5_SET(wq, wq, log_wq_stride, mlx5e_get_rqwq_log_stride(MLX5_WQ_TYPE_CYCLIC, 1)); - MLX5_SET(rqc, rqc, counter_set_id, q_counter); param->wq.buf_numa_node = dev_to_node(mlx5_core_dma_dev(mdev)); } @@ -1292,13 +1302,12 @@ void mlx5e_build_xdpsq_param(struct mlx5_core_dev *mdev, int mlx5e_build_channel_param(struct mlx5_core_dev *mdev, struct mlx5e_params *params, - u16 q_counter, struct mlx5e_channel_param *cparam) { u8 icosq_log_wq_sz, async_icosq_log_wq_sz; int err; - err = mlx5e_build_rq_param(mdev, params, NULL, q_counter, &cparam->rq); + err = mlx5e_build_rq_param(mdev, params, NULL, &cparam->rq); if (err) return err; |