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authorFlorin Coras <fcoras@cisco.com>2018-12-12 10:56:01 -0800
committerDave Barach <openvpp@barachs.net>2018-12-13 13:40:32 +0000
commit42ceddb7cd836a89a12b0b8e623b06bc4c0cc0cb (patch)
tree9731e8708e3ad9d96d418068d59743dbd8e69658 /src/vnet/tcp/tcp_input.c
parent413f4a5b2123c1625d615315db293a080078482b (diff)
session/tcp: support tx flush mark
For tcp this means that the last enqueued data goes out with a psh bit set. Change-Id: I29d357ecae6f02e748b59a7b799150ec73d14ba2 Signed-off-by: Florin Coras <fcoras@cisco.com>
Diffstat (limited to 'src/vnet/tcp/tcp_input.c')
-rw-r--r--src/vnet/tcp/tcp_input.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/vnet/tcp/tcp_input.c b/src/vnet/tcp/tcp_input.c
index dff18029155..f04fa5d8901 100644
--- a/src/vnet/tcp/tcp_input.c
+++ b/src/vnet/tcp/tcp_input.c
@@ -543,6 +543,12 @@ tcp_handle_postponed_dequeues (tcp_worker_ctx_t * wrk)
tc->burst_acked = 0;
tcp_validate_txf_size (tc, tc->snd_una_max - tc->snd_una);
+ if (PREDICT_FALSE (tc->flags & TCP_CONN_PSH_PENDING))
+ {
+ if (seq_leq (tc->psh_seq, tc->snd_una))
+ tc->flags &= ~TCP_CONN_PSH_PENDING;
+ }
+
/* If everything has been acked, stop retransmit timer
* otherwise update. */
tcp_retransmit_timer_update (tc);