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authorFlorin Coras <fcoras@cisco.com>2018-07-02 01:30:51 -0700
committerDamjan Marion <dmarion@me.com>2018-07-03 09:17:33 +0000
commit208daa1adb8069083b67a36e9f16ac27373fa5bf (patch)
tree4d973bbc680b13019af1d971ba07d7290ce92247 /src/vnet/tcp/tcp_output.c
parent926b564d650700213f40b03394fdb12e45496246 (diff)
tcp: update snd_una_max for retranmsits
Change-Id: I0573d0aff39581bba96e610228a10ae923a8ca06 Signed-off-by: Florin Coras <fcoras@cisco.com>
Diffstat (limited to 'src/vnet/tcp/tcp_output.c')
-rw-r--r--src/vnet/tcp/tcp_output.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/vnet/tcp/tcp_output.c b/src/vnet/tcp/tcp_output.c
index 7c113458d54..b3c39b11b30 100644
--- a/src/vnet/tcp/tcp_output.c
+++ b/src/vnet/tcp/tcp_output.c
@@ -1306,6 +1306,8 @@ tcp_prepare_retransmit_segment (tcp_connection_t * tc, u32 offset,
ASSERT (n_bytes == max_deq_bytes);
b[0]->current_length = n_bytes;
tcp_push_hdr_i (tc, *b, tc->state, /* compute opts */ 0, /* burst */ 0);
+ if (seq_gt (tc->snd_nxt, tc->snd_una_max))
+ tc->snd_una_max = tc->snd_nxt;
}
/* Split mss into multiple buffers */
else
@@ -1369,6 +1371,8 @@ tcp_prepare_retransmit_segment (tcp_connection_t * tc, u32 offset,
}
tcp_push_hdr_i (tc, *b, tc->state, /* compute opts */ 0, /* burst */ 0);
+ if (seq_gt (tc->snd_nxt, tc->snd_una_max))
+ tc->snd_una_max = tc->snd_nxt;
}
ASSERT (n_bytes > 0);