linux/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/rx.c

// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
/* Copyright (c) 2019 Mellanox Technologies. */

#include "rx.h"
#include "en/xdp.h"
#include <net/xdp_sock_drv.h>
#include <linux/filter.h>

/* RX data path */

static struct mlx5e_xdp_buff *xsk_buff_to_mxbuf(struct xdp_buff *xdp)
{ … }

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)
{ … }

static struct sk_buff *mlx5e_xsk_construct_skb(struct mlx5e_rq *rq, struct xdp_buff *xdp)
{ … }

struct sk_buff *mlx5e_xsk_skb_from_cqe_mpwrq_linear(struct mlx5e_rq *rq,
						    struct mlx5e_mpw_info *wi,
						    struct mlx5_cqe64 *cqe,
						    u16 cqe_bcnt,
						    u32 head_offset,
						    u32 page_idx)
{ … }

struct sk_buff *mlx5e_xsk_skb_from_cqe_linear(struct mlx5e_rq *rq,
					      struct mlx5e_wqe_frag_info *wi,
					      struct mlx5_cqe64 *cqe,
					      u32 cqe_bcnt)
{ … }