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authorMohsin Kazmi <sykazmi@cisco.com>2019-12-24 23:00:49 +0100
committerAndrew Yourtchenko <ayourtch@gmail.com>2020-01-02 12:49:59 +0000
commita82f590c03bb2f49ca7322adf5ef04e7e3fbe4c9 (patch)
tree1c729c5d020667c406c3be2076334b9bca2c2d75 /src/vnet
parent775d5b1e226717f591fffab80d35ea07c90a680f (diff)
gso: fix the number of buffers required for segmentation
Ticket: VPPSUPP-51 Type: fix Change-Id: I34d4237eb0644705ce0f523fdd0d6b70308e8bcd Signed-off-by: Mohsin Kazmi <sykazmi@cisco.com>
Diffstat (limited to 'src/vnet')
-rw-r--r--src/vnet/interface_output.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/vnet/interface_output.c b/src/vnet/interface_output.c
index 2aa363608c4..ec92c38edc6 100644
--- a/src/vnet/interface_output.c
+++ b/src/vnet/interface_output.c
@@ -237,7 +237,8 @@ tso_alloc_tx_bufs (vlib_main_t * vm,
u16 gso_size)
{
u16 size =
- clib_min (gso_size, vlib_buffer_get_default_data_size (vm) - l234_sz);
+ clib_min (gso_size, vlib_buffer_get_default_data_size (vm) - l234_sz
+ - b0->current_data);
/* rounded-up division */
u16 n_bufs = (n_bytes_b0 - l234_sz + (size - 1)) / size;