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

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

#include "tx.h"
#include "pool.h"
#include "en/xdp.h"
#include "en/params.h"
#include <net/xdp_sock_drv.h>

int mlx5e_xsk_wakeup(struct net_device *dev, u32 qid, u32 flags)
{ … }

/* When TX fails (because of the size of the packet), we need to get completions
 * in order, so post a NOP to get a CQE. Since AF_XDP doesn't distinguish
 * between successful TX and errors, handling in mlx5e_poll_xdpsq_cq is the
 * same.
 */
static void mlx5e_xsk_tx_post_err(struct mlx5e_xdpsq *sq,
				  union mlx5e_xdp_info *xdpi)
{ … }

bool mlx5e_xsk_tx(struct mlx5e_xdpsq *sq, unsigned int budget)
{ … }