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-rw-r--r--src/vnet/gso/node.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/src/vnet/gso/node.c b/src/vnet/gso/node.c
index d7248c90147..a48a8b69a23 100644
--- a/src/vnet/gso/node.c
+++ b/src/vnet/gso/node.c
@@ -55,10 +55,11 @@ static_always_inline u16
tso_alloc_tx_bufs (vlib_main_t * vm,
vnet_interface_per_thread_data_t * ptd,
vlib_buffer_t * b0, u32 n_bytes_b0, u16 l234_sz,
- u16 gso_size)
+ u16 gso_size, gso_header_offset_t * gho)
{
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
+ - gho->l2_hdr_offset);
/* rounded-up division */
u16 n_bufs = (n_bytes_b0 - l234_sz + (size - 1)) / size;
@@ -170,7 +171,7 @@ tso_segment_buffer (vlib_main_t * vm, vnet_interface_per_thread_data_t * ptd,
next_tcp_seq += first_data_size;
if (PREDICT_FALSE
- (!tso_alloc_tx_bufs (vm, ptd, sb0, n_bytes_b0, l234_sz, gso_size)))
+ (!tso_alloc_tx_bufs (vm, ptd, sb0, n_bytes_b0, l234_sz, gso_size, gho)))
return 0;
vlib_buffer_t *b0 = vlib_get_buffer (vm, ptd->split_buffers[0]);