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-rw-r--r--src/vnet/tcp/tcp.h1
-rw-r--r--src/vnet/tcp/tcp_bt.c4
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);