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tcp: avoid fr segments less than mss if possible
[vpp.git]
/
src
/
vnet
/
tcp
/
tcp_output.c
diff --git
a/src/vnet/tcp/tcp_output.c
b/src/vnet/tcp/tcp_output.c
index
e232ed4
..
78148cd
100644
(file)
--- a/
src/vnet/tcp/tcp_output.c
+++ b/
src/vnet/tcp/tcp_output.c
@@
-1810,7
+1810,11
@@
tcp_retransmit_sack (tcp_worker_ctx_t * wrk, tcp_connection_t * tc,
break;
}
break;
}
- max_bytes = clib_min (hole->end - sb->high_rxt, snd_space);
+ max_bytes = hole->end - sb->high_rxt;
+ /* Avoid retransmitting segment less than mss if possible */
+ if (snd_space < tc->snd_mss && max_bytes > snd_space)
+ break;
+ max_bytes = clib_min (max_bytes, snd_space);
max_bytes = snd_limited ? clib_min (max_bytes, tc->snd_mss) : max_bytes;
if (max_bytes == 0)
break;
max_bytes = snd_limited ? clib_min (max_bytes, tc->snd_mss) : max_bytes;
if (max_bytes == 0)
break;