diff options
| author | Björn Töpel <bjorn.topel@intel.com> | 2020-05-20 21:20:50 +0200 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2020-05-21 17:31:26 -0700 |
| commit | d20a1676df7e4c3c23d73299159811a50e4854bc (patch) | |
| tree | 5492329a8b772bb2e1291b680ebb5e544107364e /net/xdp/xsk.h | |
| parent | 44ac082b30dc2a05a7e23ed7e17b5f9513873386 (diff) | |
xsk: Move xskmap.c to net/xdp/
The XSKMAP is partly implemented by net/xdp/xsk.c. Move xskmap.c from
kernel/bpf/ to net/xdp/, which is the logical place for AF_XDP related
code. Also, move AF_XDP struct definitions, and function declarations
only used by AF_XDP internals into net/xdp/xsk.h.
Signed-off-by: Björn Töpel <bjorn.topel@intel.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20200520192103.355233-3-bjorn.topel@gmail.com
Diffstat (limited to 'net/xdp/xsk.h')
| -rw-r--r-- | net/xdp/xsk.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/net/xdp/xsk.h b/net/xdp/xsk.h index 4cfd106bdb53..d6a0979050e6 100644 --- a/net/xdp/xsk.h +++ b/net/xdp/xsk.h @@ -17,9 +17,25 @@ 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 **map_entry; +}; + static inline struct xdp_sock *xdp_sk(struct sock *sk) { return (struct xdp_sock *)sk; } +bool xsk_is_setup_for_bpf_map(struct xdp_sock *xs); +void xsk_map_try_sock_delete(struct xsk_map *map, struct xdp_sock *xs, + struct xdp_sock **map_entry); +int xsk_map_inc(struct xsk_map *map); +void xsk_map_put(struct xsk_map *map); + #endif /* XSK_H_ */ |