diff options
Diffstat (limited to 'tools/include/uapi')
| -rw-r--r-- | tools/include/uapi/linux/bpf.h | 62 |
1 files changed, 61 insertions, 1 deletions
diff --git a/tools/include/uapi/linux/bpf.h b/tools/include/uapi/linux/bpf.h index d245c41213ac..9d07465023a2 100644 --- a/tools/include/uapi/linux/bpf.h +++ b/tools/include/uapi/linux/bpf.h @@ -94,6 +94,7 @@ enum bpf_cmd { BPF_MAP_GET_FD_BY_ID, BPF_OBJ_GET_INFO_BY_FD, BPF_PROG_QUERY, + BPF_RAW_TRACEPOINT_OPEN, }; enum bpf_map_type { @@ -134,6 +135,8 @@ enum bpf_prog_type { BPF_PROG_TYPE_SK_SKB, BPF_PROG_TYPE_CGROUP_DEVICE, BPF_PROG_TYPE_SK_MSG, + BPF_PROG_TYPE_RAW_TRACEPOINT, + BPF_PROG_TYPE_CGROUP_SOCK_ADDR, }; enum bpf_attach_type { @@ -145,6 +148,12 @@ enum bpf_attach_type { BPF_SK_SKB_STREAM_VERDICT, BPF_CGROUP_DEVICE, BPF_SK_MSG_VERDICT, + BPF_CGROUP_INET4_BIND, + BPF_CGROUP_INET6_BIND, + BPF_CGROUP_INET4_CONNECT, + BPF_CGROUP_INET6_CONNECT, + BPF_CGROUP_INET4_POST_BIND, + BPF_CGROUP_INET6_POST_BIND, __MAX_BPF_ATTACH_TYPE }; @@ -294,6 +303,11 @@ union bpf_attr { __u32 prog_flags; char prog_name[BPF_OBJ_NAME_LEN]; __u32 prog_ifindex; /* ifindex of netdev to prep for */ + /* For some prog types expected attach type must be known at + * load time to verify attach type specific parts of prog + * (context accesses, allowed helpers, etc). + */ + __u32 expected_attach_type; }; struct { /* anonymous struct used by BPF_OBJ_* commands */ @@ -344,6 +358,11 @@ union bpf_attr { __aligned_u64 prog_ids; __u32 prog_cnt; } query; + + struct { + __u64 name; + __u32 prog_fd; + } raw_tracepoint; } __attribute__((aligned(8))); /* BPF helper function descriptions: @@ -729,6 +748,13 @@ union bpf_attr { * @flags: reserved for future use * Return: SK_PASS * + * int bpf_bind(ctx, addr, addr_len) + * Bind socket to address. Only binding to IP is supported, no port can be + * set in addr. + * @ctx: pointer to context of type bpf_sock_addr + * @addr: pointer to struct sockaddr to bind socket to + * @addr_len: length of sockaddr structure + * Return: 0 on success or negative error code */ #define __BPF_FUNC_MAPPER(FN) \ FN(unspec), \ @@ -794,7 +820,8 @@ union bpf_attr { FN(msg_redirect_map), \ FN(msg_apply_bytes), \ FN(msg_cork_bytes), \ - FN(msg_pull_data), + FN(msg_pull_data), \ + FN(bind), /* integer value in 'imm' field of BPF_CALL instruction selects which helper * function eBPF program intends to call @@ -922,6 +949,15 @@ struct bpf_sock { __u32 protocol; __u32 mark; __u32 priority; + __u32 src_ip4; /* Allows 1,2,4-byte read. + * Stored in network byte order. + */ + __u32 src_ip6[4]; /* Allows 1,2,4-byte read. + * Stored in network byte order. + */ + __u32 src_port; /* Allows 4-byte read. + * Stored in host byte order + */ }; #define XDP_PACKET_HEADROOM 256 @@ -997,6 +1033,26 @@ struct bpf_map_info { __u64 netns_ino; } __attribute__((aligned(8))); +/* User bpf_sock_addr struct to access socket fields and sockaddr struct passed + * by user and intended to be used by socket (e.g. to bind to, depends on + * attach attach type). + */ +struct bpf_sock_addr { + __u32 user_family; /* Allows 4-byte read, but no write. */ + __u32 user_ip4; /* Allows 1,2,4-byte read and 4-byte write. + * Stored in network byte order. + */ + __u32 user_ip6[4]; /* Allows 1,2,4-byte read an 4-byte write. + * Stored in network byte order. + */ + __u32 user_port; /* Allows 4-byte read and write. + * Stored in network byte order + */ + __u32 family; /* Allows 4-byte read, but no write */ + __u32 type; /* Allows 4-byte read, but no write */ + __u32 protocol; /* Allows 4-byte read, but no write */ +}; + /* User bpf_sock_ops struct to access socket values and specify request ops * and their replies. * Some of this fields are in network (bigendian) byte order and may need @@ -1151,4 +1207,8 @@ struct bpf_cgroup_dev_ctx { __u32 minor; }; +struct bpf_raw_tracepoint_args { + __u64 args[0]; +}; + #endif /* _UAPI__LINUX_BPF_H__ */ |