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authorFlorin Coras <fcoras@cisco.com>2020-11-05 19:01:44 -0800
committerDave Barach <openvpp@barachs.net>2020-11-12 16:31:29 +0000
commitfb9d37402020c5d341e0a5a9e9a937ce06fe6171 (patch)
tree82dc2abb511d5324f75f4e32147e1d469913ad31 /src
parentaeb7d80c84b0084c8f63792dc8588193e0bc28a3 (diff)
tcp: push last buffered sequence
Type: improvement Signed-off-by: Florin Coras <fcoras@cisco.com> Change-Id: Iba914ac69585e89f174f09e74ae716df1b080c59
Diffstat (limited to 'src')
-rw-r--r--src/vnet/tcp/tcp_input.c6
-rw-r--r--src/vnet/tcp/tcp_output.c7
2 files changed, 7 insertions, 6 deletions
diff --git a/src/vnet/tcp/tcp_input.c b/src/vnet/tcp/tcp_input.c
index 912b193bf94..0a3d31588ee 100644
--- a/src/vnet/tcp/tcp_input.c
+++ b/src/vnet/tcp/tcp_input.c
@@ -582,12 +582,6 @@ tcp_handle_postponed_dequeues (tcp_worker_ctx_t * wrk)
session_tx_fifo_dequeue_drop (&tc->connection, tc->burst_acked);
tcp_validate_txf_size (tc, tc->snd_nxt - 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 (tcp_is_descheduled (tc))
tcp_reschedule (tc);
diff --git a/src/vnet/tcp/tcp_output.c b/src/vnet/tcp/tcp_output.c
index 13432283677..e2c2b231985 100644
--- a/src/vnet/tcp/tcp_output.c
+++ b/src/vnet/tcp/tcp_output.c
@@ -323,6 +323,13 @@ tcp_update_burst_snd_vars (tcp_connection_t * tc)
tcp_cc_event (tc, TCP_CC_EVT_START_TX);
tcp_connection_tx_pacer_reset (tc, tc->cwnd, TRANSPORT_PACER_MIN_BURST);
}
+
+ if (tc->flags & TCP_CONN_PSH_PENDING)
+ {
+ u32 max_deq = transport_max_tx_dequeue (&tc->connection);
+ /* Last byte marked for push */
+ tc->psh_seq = tc->snd_una + max_deq - 1;
+ }
}
#endif /* CLIB_MARCH_VARIANT */