root/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/umem.h

INCLUDED FROM

DEFINITIONS

1. mlx5e_xsk_get_umem

   1 /* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
   2 /* Copyright (c) 2019 Mellanox Technologies. */
   3 
   4 #ifndef __MLX5_EN_XSK_UMEM_H__
   5 #define __MLX5_EN_XSK_UMEM_H__
   6 
   7 #include "en.h"
   8 
   9 static inline struct xdp_umem *mlx5e_xsk_get_umem(struct mlx5e_params *params,
  10                                                   struct mlx5e_xsk *xsk, u16 ix)
  11 {
  12         if (!xsk || !xsk->umems)
  13                 return NULL;
  14 
  15         if (unlikely(ix >= params->num_channels))
  16                 return NULL;
  17 
  18         return xsk->umems[ix];
  19 }
  20 
  21 struct mlx5e_xsk_param;
  22 void mlx5e_build_xsk_param(struct xdp_umem *umem, struct mlx5e_xsk_param *xsk);
  23 
  24 /* .ndo_bpf callback. */
  25 int mlx5e_xsk_setup_umem(struct net_device *dev, struct xdp_umem *umem, u16 qid);
  26 
  27 int mlx5e_xsk_resize_reuseq(struct xdp_umem *umem, u32 nentries);
  28 
  29 u16 mlx5e_xsk_first_unused_channel(struct mlx5e_params *params, struct mlx5e_xsk *xsk);
  30 
  31 #endif /* __MLX5_EN_XSK_UMEM_H__ */