From 0582221c4a875e35b5ccefe9a17eef584819e4f0 Mon Sep 17 00:00:00 2001 From: "Heiko Schlittermann (HS12-RIPE)" Date: Tue, 10 Dec 2019 23:14:35 +0100 Subject: [PATCH] TFO: disable for FreeBSD (cherry-picked from 52503083b9eded01c25e1c73f4510963c3cee799) --- src/src/ip.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/src/src/ip.c b/src/src/ip.c index 19be51a03..70e3e2064 100644 --- a/src/src/ip.c +++ b/src/src/ip.c @@ -245,7 +245,7 @@ callout_address = string_sprintf("[%s]:%d", address, port); sigalrm_seen = FALSE; if (timeout > 0) ALARM(timeout); -#ifdef TCP_FASTOPEN +#if defined(TCP_FASTOPEN) && (defined(MSG_FASTOPEN) || defined(EXIM_TFO_CONNECTX)) /* TCP Fast Open, if the system has a cookie from a previous call to this peer, can send data in the SYN packet. The peer can send data before it gets our ACK of its SYN,ACK - the latter is useful for @@ -255,8 +255,8 @@ possibly use the data-on-syn, so support that too. */ if (fastopen_blob && f.tcp_fastopen_ok) { # ifdef MSG_FASTOPEN - /* This is a Linux implementation. It might be useable on FreeBSD; I have - not checked. */ + /* This is a Linux implementation. FreeBSD does not seem to have MSG_FASTOPEN so + how to get TFO is unknown. */ if ((rc = sendto(sock, fastopen_blob->data, fastopen_blob->len, MSG_FASTOPEN | MSG_DONTWAIT, s_ptr, s_len)) >= 0) -- 2.25.1