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tcp: allow local port sharing if 5-tuple available

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Type: improvement

Signed-off-by: Florin Coras <fcoras@cisco.com>
Change-Id: Id0c4b46247e7419a328387678a4753cfb1e42d75
This commit is contained in:
Florin Coras
2020-04-10 14:51:46 +00:00
committed by Dave Barach
parent 1bd2c019eb
commit 1e8d949781
1 changed files with 14 additions and 1 deletions
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15
src/vnet/tcp/tcp.c
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@ -764,7 +764,20 @@ tcp_session_open (transport_endpoint_cfg_t * rmt)
rmt, &lcl_addr, &lcl_port);
if (rv)
return rv;
{
if (rv != SESSION_E_PORTINUSE)
return rv;
if (session_lookup_connection (rmt->fib_index, &lcl_addr, &rmt->ip,
lcl_port, rmt->port, TRANSPORT_PROTO_UDP,
rmt->is_ip4))
return SESSION_E_PORTINUSE;
/* 5-tuple is available so increase lcl endpoint refcount and proceed
* with connection allocation */
transport_share_local_endpoint (TRANSPORT_PROTO_UDP, &lcl_addr,
lcl_port);
}
/*
* Create connection and send SYN