diff options
| author |   Florin Coras <fcoras@cisco.com> | 2018-09-27 09:19:29 -0700 |
|---|---|---|
| committer | Florin Coras <fcoras@cisco.com> | 2018-09-27 09:47:26 -0700 |
| commit | 45ca73f6af1584a44886d5a13702885be58df1b6 (patch) | |
| tree | 1295b939acda6ae340230a794f7dbe1af53a5e0e /src/vnet | |
| parent | 7d7b8c6dd7dc7a3efa89bb7b7c34742939b225fd (diff) | |
tcp: use scaled window for new connects
Change-Id: Idf83fce8ca176e57b323e3741034e3223f1d195a
Signed-off-by: Florin Coras <fcoras@cisco.com>
Diffstat (limited to 'src/vnet')
| -rw-r--r-- | src/vnet/tcp/tcp.c | 12 | ||||
| -rw-r--r-- | src/vnet/tcp/tcp.h | 1 | ||||
| -rw-r--r-- | src/vnet/tcp/tcp_input.c | 4 |
3 files changed, 12 insertions, 5 deletions
diff --git a/src/vnet/tcp/tcp.c b/src/vnet/tcp/tcp.c index d00f4abb118..30e5899577a 100644 --- a/src/vnet/tcp/tcp.c +++ b/src/vnet/tcp/tcp.c @@ -1017,8 +1017,8 @@ tcp_round_snd_space (tcp_connection_t * tc, u32 snd_space) * @param tc tcp connection * @return number of bytes session is allowed to write */ -static u32 -tcp_snd_space (tcp_connection_t * tc) +static inline u32 +tcp_snd_space_inline (tcp_connection_t * tc) { int snd_space, snt_limited; @@ -1066,11 +1066,17 @@ tcp_snd_space (tcp_connection_t * tc) return 0; } +u32 +tcp_snd_space (tcp_connection_t * tc) +{ + return tcp_snd_space_inline (tc); +} + static u32 tcp_session_send_space (transport_connection_t * trans_conn) { tcp_connection_t *tc = (tcp_connection_t *) trans_conn; - return clib_min (tcp_snd_space (tc), + return clib_min (tcp_snd_space_inline (tc), tc->snd_wnd - (tc->snd_nxt - tc->snd_una)); } diff --git a/src/vnet/tcp/tcp.h b/src/vnet/tcp/tcp.h index 37b4573cf25..165659b6d9f 100644 --- a/src/vnet/tcp/tcp.h +++ b/src/vnet/tcp/tcp.h @@ -658,6 +658,7 @@ tcp_is_lost_fin (tcp_connection_t * tc) return 0; } +u32 tcp_snd_space (tcp_connection_t * tc); void tcp_retransmit_first_unacked (tcp_connection_t * tc); void tcp_fast_retransmit_no_sack (tcp_connection_t * tc); void tcp_fast_retransmit_sack (tcp_connection_t * tc); diff --git a/src/vnet/tcp/tcp_input.c b/src/vnet/tcp/tcp_input.c index b66e940a377..d297ee7ed3e 100644 --- a/src/vnet/tcp/tcp_input.c +++ b/src/vnet/tcp/tcp_input.c @@ -2282,8 +2282,8 @@ tcp46_syn_sent_inline (vlib_main_t * vm, vlib_node_runtime_t * node, if (tcp_opts_wscale (&new_tc0->rcv_opts)) new_tc0->snd_wscale = new_tc0->rcv_opts.wscale; - /* RFC1323: SYN and SYN-ACK wnd not scaled */ - new_tc0->snd_wnd = clib_net_to_host_u16 (tcp0->window); + new_tc0->snd_wnd = clib_net_to_host_u16 (tcp0->window) + << new_tc0->snd_wscale; new_tc0->snd_wl1 = seq0; new_tc0->snd_wl2 = ack0; |