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authorFlorin Coras <fcoras@cisco.com>2023-11-25 09:00:44 -0800
committerDave Barach <vpp@barachs.net>2023-11-27 18:50:34 +0000
commita2be1cffbea8a41bb9cdfdfbfa4c530f345b16a9 (patch)
tree3034431ddc10ab8a9ecd8fd08fcefed86fca116b /src/vnet/tcp
parentddf6cec37027547ff7cc61e15bb8080664d41514 (diff)
tcp: allow multiple rxt rescues during recovery
Type: improvement Change-Id: Ia8d7cd6ff9b1449d986d514d9556cbf803deb670 Signed-off-by: Florin Coras <fcoras@cisco.com>
Diffstat (limited to 'src/vnet/tcp')
-rw-r--r--src/vnet/tcp/tcp_output.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/vnet/tcp/tcp_output.c b/src/vnet/tcp/tcp_output.c
index aad69df5a76..c994845de78 100644
--- a/src/vnet/tcp/tcp_output.c
+++ b/src/vnet/tcp/tcp_output.c
@@ -1279,6 +1279,7 @@ tcp_cc_init_rxt_timeout (tcp_connection_t * tc)
tc->cwnd_acc_bytes = 0;
tc->tr_occurences += 1;
tc->sack_sb.reorder = TCP_DUPACK_THRESHOLD;
+ tc->sack_sb.rescue_rxt = tc->snd_una - 1;
tcp_recovery_on (tc);
}
@@ -1783,8 +1784,7 @@ tcp_retransmit_sack (tcp_worker_ctx_t * wrk, tcp_connection_t * tc,
goto done;
}
- if (tcp_in_recovery (tc) || !can_rescue
- || scoreboard_rescue_rxt_valid (sb, tc))
+ if (!can_rescue || scoreboard_rescue_rxt_valid (sb, tc))
break;
/* If rescue rxt undefined or less than snd_una then one segment of