| Message ID | 1450729766-14926-2-git-send-email-fw@strlen.de |
|---|---|
| State | Accepted, archived |
| Delegated to: | David Miller |
| Headers | show |
On Mon, 2015-12-21 at 21:29 +0100, Florian Westphal wrote: > Avoids cluttering tcp_v4_send_reset when followup patch extends > it to deal with timewait sockets. > > Suggested-by: Eric Dumazet <edumazet@google.com> > Signed-off-by: Florian Westphal <fw@strlen.de> > --- Acked-by: Eric Dumazet <edumazet@google.com> -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
On 21.12.2015 21:29, Florian Westphal wrote: > Avoids cluttering tcp_v4_send_reset when followup patch extends > it to deal with timewait sockets. > > Suggested-by: Eric Dumazet <edumazet@google.com> > Signed-off-by: Florian Westphal <fw@strlen.de> Acked-by: Hannes Frederic Sowa <hannes@stressinduktion.org> -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/include/net/request_sock.h b/include/net/request_sock.h index a0dde04..f49759d 100644 --- a/include/net/request_sock.h +++ b/include/net/request_sock.h @@ -68,7 +68,7 @@ struct request_sock { u32 peer_secid; }; -static inline struct request_sock *inet_reqsk(struct sock *sk) +static inline struct request_sock *inet_reqsk(const struct sock *sk) { return (struct request_sock *)sk; } diff --git a/include/net/tcp.h b/include/net/tcp.h index 3077735b..f33fecf 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -1620,6 +1620,18 @@ static inline void tcp_highest_sack_combine(struct sock *sk, tcp_sk(sk)->highest_sack = new; } +/* This helper checks if socket has IP_TRANSPARENT set */ +static inline bool inet_sk_transparent(const struct sock *sk) +{ + switch (sk->sk_state) { + case TCP_TIME_WAIT: + return inet_twsk(sk)->tw_transparent; + case TCP_NEW_SYN_RECV: + return inet_rsk(inet_reqsk(sk))->no_srccheck; + } + return inet_sk(sk)->transparent; +} + /* Determines whether this is a thin stream (which may suffer from * increased latency). Used to trigger latency-reducing mechanisms. */
Avoids cluttering tcp_v4_send_reset when followup patch extends it to deal with timewait sockets. Suggested-by: Eric Dumazet <edumazet@google.com> Signed-off-by: Florian Westphal <fw@strlen.de> --- include/net/request_sock.h | 2 +- include/net/tcp.h | 12 ++++++++++++ 2 files changed, 13 insertions(+), 1 deletion(-)