diff options
| author |   Florin Coras <fcoras@cisco.com> | 2017-04-26 00:08:42 -0700 |
|---|---|---|
| committer | Florin Coras <fcoras@cisco.com> | 2017-05-01 10:41:44 -0700 |
| commit | c28764fd356632763614ea579f678d8f55eca4c7 (patch) | |
| tree | 2c46999bc9474a5604f057812e6c25a821621b2c /src/vnet/tcp/tcp_debug.h | |
| parent | 63c7e14f2e62caa1246349cfe341a93176ec4a43 (diff) | |
TCP ooo reception fixes
- Improve svm fifo handling of out-of-order segments
- Ensure tsval_recent is updated only if rcv_las falls withing the
segments's sequence space
- Avoid directly dropping old ACKs
- Improve debugging
Change-Id: I88dbe2394a0ad7eb389a4cc12d013a13733953aa
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 | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/vnet/tcp/tcp_debug.h b/src/vnet/tcp/tcp_debug.h index ecbf78874fb..b4497a3b8d8 100755 --- a/src/vnet/tcp/tcp_debug.h +++ b/src/vnet/tcp/tcp_debug.h @@ -50,6 +50,7 @@ _(CC_EVT, "cc event") \ _(CC_PACK, "cc partial ack") \ _(SEG_INVALID, "invalid segment") \ + _(PAWS_FAIL, "failed paws check") \ _(ACK_RCV_ERR, "invalid ack") \ _(RCV_WND_SHRUNK, "shrunk rcv_wnd") \ @@ -382,6 +383,20 @@ typedef enum _tcp_dbg_evt ed->data[4] = _tc->rcv_wnd; \ } +#define TCP_EVT_PAWS_FAIL_HANDLER(_tc, _seq, _end, ...) \ +{ \ + ELOG_TYPE_DECLARE (_e) = \ + { \ + .format = "paws fail: seq %u end %u tsval %u tsval_recent %u", \ + .format_args = "i4i4i4i4", \ + }; \ + DECLARE_ETD(_tc, _e, 4); \ + ed->data[0] = _seq - _tc->irs; \ + ed->data[1] = _end - _tc->irs; \ + ed->data[2] = _tc->opt.tsval; \ + ed->data[3] = _tc->tsval_recent; \ +} + #define TCP_EVT_ACK_RCV_ERR_HANDLER(_tc, _type, _ack, ...) \ { \ ELOG_TYPE_DECLARE (_e) = \ |