From ff19e3bf4fc10d17e3bafa798e6048ad473c6bd8 Mon Sep 17 00:00:00 2001 From: Florin Coras Date: Mon, 10 Feb 2020 17:44:13 +0000 Subject: tcp: allow custom mss on connects Type: feature Signed-off-by: Florin Coras Change-Id: Ie4bd68a387f706b3e6868bece2ec4c8c1d92a9c3 --- src/vnet/tcp/tcp.c | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'src/vnet/tcp') diff --git a/src/vnet/tcp/tcp.c b/src/vnet/tcp/tcp.c index f24ddb3a879..28231763da1 100644 --- a/src/vnet/tcp/tcp.c +++ b/src/vnet/tcp/tcp.c @@ -599,6 +599,10 @@ tcp_init_rcv_mss (tcp_connection_t * tc) { u8 ip_hdr_len; + /* Already provided at connection init time */ + if (tc->mss) + return; + ip_hdr_len = tc->c_is_ip4 ? sizeof (ip4_header_t) : sizeof (ip6_header_t); tc->mss = tcp_cfg.default_mtu - sizeof (tcp_header_t) - ip_hdr_len; } @@ -763,6 +767,7 @@ tcp_session_open (transport_endpoint_cfg_t * rmt) tc->cc_algo = tcp_cc_algo_get (tcp_cfg.cc_algo); /* The other connection vars will be initialized after SYN ACK */ tcp_connection_timers_init (tc); + tc->mss = rmt->mss; TCP_EVT (TCP_EVT_OPEN, tc); tc->state = TCP_STATE_SYN_SENT; -- cgit 1.2.3-korg