diff options
| author |   Florin Coras <fcoras@cisco.com> | 2018-10-31 23:09:22 -0700 |
|---|---|---|
| committer |   Dave Barach <openvpp@barachs.net> | 2018-11-01 20:43:29 +0000 |
| commit | e55a6d7a97044c2f4fd0231242e062924d75c7b6 (patch) | |
| tree | ae58b4562748db8397604029261008b94aaecd8c /src/vnet/tcp/tcp_debug.h | |
| parent | f6c68d74eca9038516986254846de60a4f7c02ae (diff) | |
tcp: fast retransmit pacing
Force pacing for fast retransmit to avoid bursts of retransmitted
packets.
Change-Id: I2ff42c328899b36322c4de557b1f7d853dba8fe2
Signed-off-by: Florin Coras <fcoras@cisco.com>
Diffstat (limited to 'src/vnet/tcp/tcp_debug.h')
| -rwxr-xr-x | src/vnet/tcp/tcp_debug.h | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/src/vnet/tcp/tcp_debug.h b/src/vnet/tcp/tcp_debug.h index 8f626b1afeb..cd4a6f04d6e 100755 --- a/src/vnet/tcp/tcp_debug.h +++ b/src/vnet/tcp/tcp_debug.h @@ -627,10 +627,8 @@ if (_av > 0) \ #if TCP_DEBUG_CC -#define TCP_EVT_CC_EVT_HANDLER(_tc, _sub_evt, ...) \ +#define TCP_EVT_CC_EVT_PRINT(_tc, _sub_evt) \ { \ - if (_tc->snd_una != _tc->iss) \ - TCP_EVT_CC_STAT_PRINT (_tc); \ ELOG_TYPE_DECLARE (_e) = \ { \ .format = "cc: %s snd_space %u snd_una %u out %u flight %u", \ @@ -638,8 +636,8 @@ if (_av > 0) \ .n_enum_strings = 7, \ .enum_strings = { \ "fast-rxt", \ - "rxt-timeout", \ "first-rxt", \ + "rxt-timeout", \ "recovered", \ "congestion", \ "undo", \ @@ -653,8 +651,18 @@ if (_av > 0) \ ed->data[3] = tcp_bytes_out(_tc); \ ed->data[4] = tcp_flight_size (_tc); \ } + +#define TCP_EVT_CC_EVT_HANDLER(_tc, _sub_evt, ...) \ +{ \ + if (_tc->snd_una != _tc->iss) \ + TCP_EVT_CC_STAT_PRINT (_tc); \ + if ((_sub_evt <= 1 && TCP_DEBUG_CC > 1) \ + || (_sub_evt > 1 && TCP_DEBUG_CC > 0)) \ + TCP_EVT_CC_EVT_PRINT (_tc, _sub_evt); \ +} #else -#define TCP_EVT_CC_EVT_HANDLER(_tc, _sub_evt, ...) +#define TCP_EVT_CC_EVT_HANDLER(_tc, _sub_evt, ...) \ + #endif #if TCP_DEBUG_CC > 1 |