diff options
| author |   Florin Coras <fcoras@cisco.com> | 2019-10-22 13:34:30 -0700 |
|---|---|---|
| committer |   Andrew Yourtchenko <ayourtch@gmail.com> | 2019-11-05 10:41:16 +0000 |
| commit | 6de46b40d2d2429e8f4f06272536fb5535c73908 (patch) | |
| tree | cc37eda6f42be284e1372e142cad31236adc8e1b /src/vnet/tcp | |
| parent | 7def5ba81592d3c46f4da0c116f50bfe190928fe (diff) | |
tcp: track lost rxt segments in byte tracker
Type: feature
Change-Id: I18dfac9c3d2f539edf20dba64cd2b7b541154144
Signed-off-by: Florin Coras <fcoras@cisco.com>
(cherry picked from commit 46ec6e018e95a10d46d018dbc15d90c309b5dccc)
Diffstat (limited to 'src/vnet/tcp')
| -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 657f1bea449..be8d38770d5 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); |