blob: a4bc4749faaccf655657a861e42a7808d224bfbc [file] [log] [blame]
/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright(c) 2019 Intel Corporation. */
#ifndef XSK_H_
#define XSK_H_
/* Masks for xdp_umem_page flags.
* The low 12-bits of the addr will be 0 since this is the page address, so we
* can use them for flags.
struct xdp_ring_offset_v1 {
__u64 producer;
__u64 consumer;
__u64 desc;
struct xdp_mmap_offsets_v1 {
struct xdp_ring_offset_v1 rx;
struct xdp_ring_offset_v1 tx;
struct xdp_ring_offset_v1 fr;
struct xdp_ring_offset_v1 cr;
/* Nodes are linked in the struct xdp_sock map_list field, and used to
* track which maps a certain socket reside in.
struct xsk_map_node {
struct list_head node;
struct xsk_map *map;
struct xdp_sock __rcu **map_entry;
static inline struct xdp_sock *xdp_sk(struct sock *sk)
return (struct xdp_sock *)sk;
void xsk_map_try_sock_delete(struct xsk_map *map, struct xdp_sock *xs,
struct xdp_sock __rcu **map_entry);
void xsk_clear_pool_at_qid(struct net_device *dev, u16 queue_id);
int xsk_reg_pool_at_qid(struct net_device *dev, struct xsk_buff_pool *pool,
u16 queue_id);
#endif /* XSK_H_ */