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- /* 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.
- */
- #define XSK_NEXT_PG_CONTIG_SHIFT 0
- #define XSK_NEXT_PG_CONTIG_MASK BIT_ULL(XSK_NEXT_PG_CONTIG_SHIFT)
- 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_ */
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