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-rw-r--r--src/vnet/tcp/tcp.c2
-rw-r--r--src/vnet/tcp/tcp_output.c13
2 files changed, 9 insertions, 6 deletions
diff --git a/src/vnet/tcp/tcp.c b/src/vnet/tcp/tcp.c
index 8467ea4fd67..5ffb1e27ab8 100644
--- a/src/vnet/tcp/tcp.c
+++ b/src/vnet/tcp/tcp.c
@@ -1189,7 +1189,7 @@ tcp_session_cal_goal_size (tcp_connection_t * tc)
goal_size = TCP_MAX_GSO_SZ - tc->snd_mss % TCP_MAX_GSO_SZ;
goal_size = clib_min (goal_size, tc->snd_wnd / 2);
- return goal_size;
+ return goal_size > tc->snd_mss ? goal_size : tc->snd_mss;
}
/**
diff --git a/src/vnet/tcp/tcp_output.c b/src/vnet/tcp/tcp_output.c
index 32c88e3f82a..7ebea37fc43 100644
--- a/src/vnet/tcp/tcp_output.c
+++ b/src/vnet/tcp/tcp_output.c
@@ -2189,13 +2189,16 @@ tcp_output_push_ip (vlib_main_t * vm, vlib_buffer_t * b0,
always_inline void
tcp_check_if_gso (tcp_connection_t * tc, vlib_buffer_t * b)
{
- if (PREDICT_TRUE (!(b->flags & VLIB_BUFFER_TOTAL_LENGTH_VALID)))
+ if (!tc->is_tso)
return;
- u16 data_len =
- b->current_length + b->total_length_not_including_first_buffer -
- sizeof (tcp_header_t) - tc->snd_opts_len;
+ u16 data_len = b->current_length - sizeof (tcp_header_t) - tc->snd_opts_len;
- if (data_len > tc->snd_mss)
+ if (PREDICT_FALSE (b->flags & VLIB_BUFFER_TOTAL_LENGTH_VALID))
+ data_len += b->total_length_not_including_first_buffer;
+
+ if (PREDICT_TRUE (data_len <= tc->snd_mss))
+ return;
+ else
{
ASSERT ((b->flags & VNET_BUFFER_F_L3_HDR_OFFSET_VALID) != 0);
ASSERT ((b->flags & VNET_BUFFER_F_L4_HDR_OFFSET_VALID) != 0);