diff options
Diffstat (limited to 'net/xdp/xsk.h')
| -rw-r--r-- | net/xdp/xsk.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/net/xdp/xsk.h b/net/xdp/xsk.h index 4cfd106bdb53..a4bc4749faac 100644 --- a/net/xdp/xsk.h +++ b/net/xdp/xsk.h @@ -4,6 +4,13 @@ #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; @@ -17,9 +24,25 @@ struct xdp_mmap_offsets_v1 { 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_ */ |