diff options
| author |   Florin Coras <fcoras@cisco.com> | 2017-05-10 12:29:14 -0700 |
|---|---|---|
| committer |   Damjan Marion <dmarion.lists@gmail.com> | 2017-05-11 13:28:08 +0000 |
| commit | 11c0549fee379a170f18d9e427ce87bb6965ddaf (patch) | |
| tree | f022a2a0b51c890ed3d881d26c426207a3a7de14 | |
| parent | cd6cb986ed35db7e8bd2d702b595f2de065dc80f (diff) | |
Handle RST of TCP connections in SYN-RCVD state, VPP-822
Change-Id: Ieb0c1e690d6ae082cfedb276252a31fab480e561
Signed-off-by: Florin Coras <fcoras@cisco.com>
| -rw-r--r-- | src/vnet/tcp/tcp.c | 31 |
1 files changed, 23 insertions, 8 deletions
diff --git a/src/vnet/tcp/tcp.c b/src/vnet/tcp/tcp.c index a65ab7ffac4..e365fa0ed82 100644 --- a/src/vnet/tcp/tcp.c +++ b/src/vnet/tcp/tcp.c @@ -150,15 +150,30 @@ tcp_connection_del (tcp_connection_t * tc) void tcp_connection_reset (tcp_connection_t * tc) { - if (tc->state == TCP_STATE_CLOSED) - return; - - tc->state = TCP_STATE_CLOSED; - - /* Make sure all timers are cleared */ - tcp_connection_timers_reset (tc); + switch (tc->state) + { + case TCP_STATE_SYN_RCVD: + /* Cleanup everything. App wasn't notified yet */ + stream_session_delete_notify (&tc->connection); + tcp_connection_cleanup (tc); + break; + case TCP_STATE_SYN_SENT: + case TCP_STATE_ESTABLISHED: + case TCP_STATE_CLOSE_WAIT: + case TCP_STATE_FIN_WAIT_1: + case TCP_STATE_FIN_WAIT_2: + case TCP_STATE_CLOSING: + tc->state = TCP_STATE_CLOSED; + + /* Make sure all timers are cleared */ + tcp_connection_timers_reset (tc); + + stream_session_reset_notify (&tc->connection); + break; + case TCP_STATE_CLOSED: + return; + } - stream_session_reset_notify (&tc->connection); } /** |