diff options
| author |   Florin Coras <fcoras@cisco.com> | 2019-10-22 13:34:30 -0700 |
|---|---|---|
| committer |   John Lo <loj@cisco.com> | 2019-10-31 01:26:36 +0000 |
| commit | 46ec6e018e95a10d46d018dbc15d90c309b5dccc (patch) | |
| tree | f09ab97f5ffe9e66681eb481488f8668b30dd0e5 | |
| parent | 7c7fa9066e2f056581af3fb82a21a1145a7aaafa (diff) | |
tcp: track lost rxt segments in byte tracker
Type: feature
Change-Id: I18dfac9c3d2f539edf20dba64cd2b7b541154144
Signed-off-by: Florin Coras <fcoras@cisco.com>
| -rw-r--r-- | src/vnet/tcp/tcp.h | 1 | ||||
| -rw-r--r-- | src/vnet/tcp/tcp_bt.c | 4 |
2 files changed, 5 insertions, 0 deletions
diff --git a/src/vnet/tcp/tcp.h b/src/vnet/tcp/tcp.h index 955b2dde8fe..7309e0ad109 100644 --- a/src/vnet/tcp/tcp.h +++ b/src/vnet/tcp/tcp.h @@ -256,6 +256,7 @@ typedef enum tcp_bts_flags_ TCP_BTS_IS_RXT = 1, TCP_BTS_IS_APP_LIMITED = 1 << 1, TCP_BTS_IS_SACKED = 1 << 2, + TCP_BTS_IS_RXT_LOST = 1 << 3, } __clib_packed tcp_bts_flags_t; typedef struct tcp_bt_sample_ diff --git a/src/vnet/tcp/tcp_bt.c b/src/vnet/tcp/tcp_bt.c index b3f4e6ab000..e8cf0680d4d 100644 --- a/src/vnet/tcp/tcp_bt.c +++ b/src/vnet/tcp/tcp_bt.c @@ -368,6 +368,8 @@ tcp_bt_track_rxt (tcp_connection_t * tc, u32 start, u32 end) cur = tcp_bt_alloc_tx_sample (tc, start, end); cur->flags |= TCP_BTS_IS_RXT; + if (bts->flags & TCP_BTS_IS_RXT) + cur->flags |= TCP_BTS_IS_RXT_LOST; cur->next = next_index; cur->prev = prev_index; @@ -408,6 +410,8 @@ tcp_bt_track_rxt (tcp_connection_t * tc, u32 start, u32 end) /* Have to split or tail overlap */ cur = tcp_bt_alloc_tx_sample (tc, start, end); cur->flags |= TCP_BTS_IS_RXT; + if (bts->flags & TCP_BTS_IS_RXT) + cur->flags |= TCP_BTS_IS_RXT_LOST; cur->prev = bts_index; cur_index = bt_sample_index (bt, cur); |