diff --git a/include/uapi/linux/bpf.h b/include/uapi/linux/bpf.h index 870113916cac..0ebaaf7f3568 100644 --- a/include/uapi/linux/bpf.h +++ b/include/uapi/linux/bpf.h @@ -1371,6 +1371,20 @@ union bpf_attr { * A 8-byte long non-decreasing number on success, or 0 if the * socket field is missing inside *skb*. * + * u64 bpf_get_socket_cookie(struct bpf_sock_addr *ctx) + * Description + * Equivalent to bpf_get_socket_cookie() helper that accepts + * *skb*, but gets socket from **struct bpf_sock_addr** contex. + * Return + * A 8-byte long non-decreasing number. + * + * u64 bpf_get_socket_cookie(struct bpf_sock_ops *ctx) + * Description + * Equivalent to bpf_get_socket_cookie() helper that accepts + * *skb*, but gets socket from **struct bpf_sock_ops** contex. + * Return + * A 8-byte long non-decreasing number. + * * u32 bpf_get_socket_uid(struct sk_buff *skb) * Return * The owner UID of the socket associated to *skb*. If the socket diff --git a/net/core/filter.c b/net/core/filter.c index 7df1a0f1d1e1..9bb9a4488e25 100644 --- a/net/core/filter.c +++ b/net/core/filter.c @@ -3812,6 +3812,30 @@ static const struct bpf_func_proto bpf_get_socket_cookie_proto = { .arg1_type = ARG_PTR_TO_CTX, }; +BPF_CALL_1(bpf_get_socket_cookie_sock_addr, struct bpf_sock_addr_kern *, ctx) +{ + return sock_gen_cookie(ctx->sk); +} + +static const struct bpf_func_proto bpf_get_socket_cookie_sock_addr_proto = { + .func = bpf_get_socket_cookie_sock_addr, + .gpl_only = false, + .ret_type = RET_INTEGER, + .arg1_type = ARG_PTR_TO_CTX, +}; + +BPF_CALL_1(bpf_get_socket_cookie_sock_ops, struct bpf_sock_ops_kern *, ctx) +{ + return sock_gen_cookie(ctx->sk); +} + +static const struct bpf_func_proto bpf_get_socket_cookie_sock_ops_proto = { + .func = bpf_get_socket_cookie_sock_ops, + .gpl_only = false, + .ret_type = RET_INTEGER, + .arg1_type = ARG_PTR_TO_CTX, +}; + BPF_CALL_1(bpf_get_socket_uid, struct sk_buff *, skb) { struct sock *sk = sk_to_full_sk(skb->sk); @@ -4818,6 +4842,8 @@ sock_addr_func_proto(enum bpf_func_id func_id, const struct bpf_prog *prog) default: return NULL; } + case BPF_FUNC_get_socket_cookie: + return &bpf_get_socket_cookie_sock_addr_proto; default: return bpf_base_func_proto(func_id); } @@ -4960,6 +4986,8 @@ sock_ops_func_proto(enum bpf_func_id func_id, const struct bpf_prog *prog) return &bpf_sock_map_update_proto; case BPF_FUNC_sock_hash_update: return &bpf_sock_hash_update_proto; + case BPF_FUNC_get_socket_cookie: + return &bpf_get_socket_cookie_sock_ops_proto; default: return bpf_base_func_proto(func_id); }