diff options
Diffstat (limited to 'net')
| -rw-r--r-- | net/core/filter.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/net/core/filter.c b/net/core/filter.c index ffec7b4357f9..5b7e44dfc037 100644 --- a/net/core/filter.c +++ b/net/core/filter.c @@ -5222,6 +5222,25 @@ static const struct bpf_func_proto bpf_get_socket_uid_proto = { .arg1_type = ARG_PTR_TO_CTX, }; +static int sk_bpf_set_get_cb_flags(struct sock *sk, char *optval, bool getopt) +{ + u32 sk_bpf_cb_flags; + + if (getopt) { + *(u32 *)optval = sk->sk_bpf_cb_flags; + return 0; + } + + sk_bpf_cb_flags = *(u32 *)optval; + + if (sk_bpf_cb_flags & ~SK_BPF_CB_MASK) + return -EINVAL; + + sk->sk_bpf_cb_flags = sk_bpf_cb_flags; + + return 0; +} + static int sol_socket_sockopt(struct sock *sk, int optname, char *optval, int *optlen, bool getopt) @@ -5238,6 +5257,7 @@ static int sol_socket_sockopt(struct sock *sk, int optname, case SO_MAX_PACING_RATE: case SO_BINDTOIFINDEX: case SO_TXREHASH: + case SK_BPF_CB_FLAGS: if (*optlen != sizeof(int)) return -EINVAL; break; @@ -5247,6 +5267,9 @@ static int sol_socket_sockopt(struct sock *sk, int optname, return -EINVAL; } + if (optname == SK_BPF_CB_FLAGS) + return sk_bpf_set_get_cb_flags(sk, optval, getopt); + if (getopt) { if (optname == SO_BINDTODEVICE) return -EINVAL; |