| /* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */ |
| /* Copyright (c) 2019 Mellanox Technologies. */ |
| |
| #ifndef __MLX5_EN_XSK_RX_H__ |
| #define __MLX5_EN_XSK_RX_H__ |
| |
| #include "en.h" |
| #include <net/xdp_sock.h> |
| |
| /* RX data path */ |
| |
| bool mlx5e_xsk_pages_enough_umem(struct mlx5e_rq *rq, int count); |
| int mlx5e_xsk_page_alloc_umem(struct mlx5e_rq *rq, |
| struct mlx5e_dma_info *dma_info); |
| void mlx5e_xsk_page_release(struct mlx5e_rq *rq, |
| struct mlx5e_dma_info *dma_info); |
| void mlx5e_xsk_zca_free(struct zero_copy_allocator *zca, unsigned long handle); |
| struct sk_buff *mlx5e_xsk_skb_from_cqe_mpwrq_linear(struct mlx5e_rq *rq, |
| struct mlx5e_mpw_info *wi, |
| u16 cqe_bcnt, |
| u32 head_offset, |
| u32 page_idx); |
| struct sk_buff *mlx5e_xsk_skb_from_cqe_linear(struct mlx5e_rq *rq, |
| struct mlx5_cqe64 *cqe, |
| struct mlx5e_wqe_frag_info *wi, |
| u32 cqe_bcnt); |
| |
| static inline bool mlx5e_xsk_update_rx_wakeup(struct mlx5e_rq *rq, bool alloc_err) |
| { |
| if (!xsk_umem_uses_need_wakeup(rq->umem)) |
| return alloc_err; |
| |
| if (unlikely(alloc_err)) |
| xsk_set_rx_need_wakeup(rq->umem); |
| else |
| xsk_clear_rx_need_wakeup(rq->umem); |
| |
| return false; |
| } |
| |
| #endif /* __MLX5_EN_XSK_RX_H__ */ |