diff options
Diffstat (limited to 'net/core/sock_map.c')
| -rw-r--r-- | net/core/sock_map.c | 21 |
1 files changed, 1 insertions, 20 deletions
diff --git a/net/core/sock_map.c b/net/core/sock_map.c index 60decd6420ca..3c427e7e6df9 100644 --- a/net/core/sock_map.c +++ b/net/core/sock_map.c @@ -211,8 +211,6 @@ out: return psock; } -static bool sock_map_redirect_allowed(const struct sock *sk); - static int sock_map_link(struct bpf_map *map, struct sock *sk) { struct sk_psock_progs *progs = sock_map_progs(map); @@ -223,13 +221,6 @@ static int sock_map_link(struct bpf_map *map, struct sock *sk) struct sk_psock *psock; int ret; - /* Only sockets we can redirect into/from in BPF need to hold - * refs to parser/verdict progs and have their sk_data_ready - * and sk_write_space callbacks overridden. - */ - if (!sock_map_redirect_allowed(sk)) - goto no_progs; - stream_verdict = READ_ONCE(progs->stream_verdict); if (stream_verdict) { stream_verdict = bpf_prog_inc_not_zero(stream_verdict); @@ -264,7 +255,6 @@ static int sock_map_link(struct bpf_map *map, struct sock *sk) } } -no_progs: psock = sock_map_psock_get_checked(sk); if (IS_ERR(psock)) { ret = PTR_ERR(psock); @@ -527,12 +517,6 @@ static bool sk_is_tcp(const struct sock *sk) sk->sk_protocol == IPPROTO_TCP; } -static bool sk_is_udp(const struct sock *sk) -{ - return sk->sk_type == SOCK_DGRAM && - sk->sk_protocol == IPPROTO_UDP; -} - static bool sock_map_redirect_allowed(const struct sock *sk) { if (sk_is_tcp(sk)) @@ -550,10 +534,7 @@ static bool sock_map_sk_state_allowed(const struct sock *sk) { if (sk_is_tcp(sk)) return (1 << sk->sk_state) & (TCPF_ESTABLISHED | TCPF_LISTEN); - else if (sk_is_udp(sk)) - return sk_hashed(sk); - - return false; + return true; } static int sock_hash_update_common(struct bpf_map *map, void *key, |