tcp: allow multiple rxt rescues during recovery
Type: improvement Change-Id: Ia8d7cd6ff9b1449d986d514d9556cbf803deb670 Signed-off-by: Florin Coras <fcoras@cisco.com>
This commit is contained in:

committed by
Dave Barach

parent
ddf6cec370
commit
a2be1cffbe
@ -1279,6 +1279,7 @@ tcp_cc_init_rxt_timeout (tcp_connection_t * tc)
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tc->cwnd_acc_bytes = 0;
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tc->cwnd_acc_bytes = 0;
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tc->tr_occurences += 1;
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tc->tr_occurences += 1;
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tc->sack_sb.reorder = TCP_DUPACK_THRESHOLD;
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tc->sack_sb.reorder = TCP_DUPACK_THRESHOLD;
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tc->sack_sb.rescue_rxt = tc->snd_una - 1;
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tcp_recovery_on (tc);
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tcp_recovery_on (tc);
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}
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}
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@ -1783,8 +1784,7 @@ tcp_retransmit_sack (tcp_worker_ctx_t * wrk, tcp_connection_t * tc,
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goto done;
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goto done;
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}
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}
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if (tcp_in_recovery (tc) || !can_rescue
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if (!can_rescue || scoreboard_rescue_rxt_valid (sb, tc))
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|| scoreboard_rescue_rxt_valid (sb, tc))
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break;
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break;
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/* If rescue rxt undefined or less than snd_una then one segment of
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/* If rescue rxt undefined or less than snd_una then one segment of
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