diff options
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/en/xsk/rx.h')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en/xsk/rx.h | 48 |
1 files changed, 3 insertions, 45 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/rx.h b/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/rx.h index cc18d97d8ee0..087c943bd8e9 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/rx.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/rx.h @@ -5,12 +5,12 @@ #define __MLX5_EN_XSK_RX_H__ #include "en.h" -#include <net/xdp_sock_drv.h> - -#define MLX5E_MTT_PTAG_MASK 0xfffffffffffffff8ULL /* RX data path */ +int mlx5e_xsk_alloc_rx_mpwqe(struct mlx5e_rq *rq, u16 ix); +int mlx5e_xsk_alloc_rx_wqes_batched(struct mlx5e_rq *rq, u16 ix, int wqe_bulk); +int mlx5e_xsk_alloc_rx_wqes(struct mlx5e_rq *rq, u16 ix, int wqe_bulk); struct sk_buff *mlx5e_xsk_skb_from_cqe_mpwrq_linear(struct mlx5e_rq *rq, struct mlx5e_mpw_info *wi, u16 cqe_bcnt, @@ -20,46 +20,4 @@ struct sk_buff *mlx5e_xsk_skb_from_cqe_linear(struct mlx5e_rq *rq, struct mlx5e_wqe_frag_info *wi, u32 cqe_bcnt); -static inline int mlx5e_xsk_page_alloc_pool(struct mlx5e_rq *rq, - struct mlx5e_dma_info *dma_info) -{ -retry: - dma_info->xsk = xsk_buff_alloc(rq->xsk_pool); - if (!dma_info->xsk) - return -ENOMEM; - - /* Store the DMA address without headroom. In striding RQ case, we just - * provide pages for UMR, and headroom is counted at the setup stage - * when creating a WQE. In non-striding RQ case, headroom is accounted - * in mlx5e_alloc_rx_wqe. - */ - dma_info->addr = xsk_buff_xdp_get_frame_dma(dma_info->xsk); - - /* MTT page mapping has alignment requirements. If they are not - * satisfied, leak the descriptor so that it won't come again, and try - * to allocate a new one. - */ - if (rq->wq_type == MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ) { - if (unlikely(dma_info->addr & ~MLX5E_MTT_PTAG_MASK)) { - xsk_buff_discard(dma_info->xsk); - goto retry; - } - } - - return 0; -} - -static inline bool mlx5e_xsk_update_rx_wakeup(struct mlx5e_rq *rq, bool alloc_err) -{ - if (!xsk_uses_need_wakeup(rq->xsk_pool)) - return alloc_err; - - if (unlikely(alloc_err)) - xsk_set_rx_need_wakeup(rq->xsk_pool); - else - xsk_clear_rx_need_wakeup(rq->xsk_pool); - - return false; -} - #endif /* __MLX5_EN_XSK_RX_H__ */ |