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ip: leverage existing vlib_buffer_advance

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The function ip4_rewrite_inline_with_gso can leverage
the existing vlib_buffer_advance to simplify code.

Type: fix

Change-Id: I25d943dc78aba2f67654385cf3f693eb01e0210e
Signed-off-by: Zhiyong Yang <zhiyong.yang@intel.com>
(cherry picked from commit a6659214aa7be7fe9fa04fbdc744affaaa8324ec)
This commit is contained in:
Zhiyong Yang 2019-06-25 22:41:55 -04:00 committed by Andrew Yourtchenko
parent fb53022e58
commit 61d9c6bfdf
1 changed files with 3 additions and 6 deletions
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9
src/vnet/ip/ip4_forward.c
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@ -2517,8 +2517,7 @@ ip4_rewrite_inline_with_gso (vlib_main_t * vm,
if (PREDICT_TRUE (error0 == IP4_ERROR_NONE))
{
u32 next_index = adj0[0].rewrite_header.next_index;
b[0]->current_data -= rw_len0;
b[0]->current_length += rw_len0;
vlib_buffer_advance (b[0], -(word) rw_len0);
tx_sw_if_index0 = adj0[0].rewrite_header.sw_if_index;
vnet_buffer (b[0])->sw_if_index[VLIB_TX] = tx_sw_if_index0;
@ -2535,8 +2534,7 @@ ip4_rewrite_inline_with_gso (vlib_main_t * vm,
if (PREDICT_TRUE (error1 == IP4_ERROR_NONE))
{
u32 next_index = adj1[0].rewrite_header.next_index;
b[1]->current_data -= rw_len1;
b[1]->current_length += rw_len1;
vlib_buffer_advance (b[1], -(word) rw_len1);
tx_sw_if_index1 = adj1[0].rewrite_header.sw_if_index;
vnet_buffer (b[1])->sw_if_index[VLIB_TX] = tx_sw_if_index1;
@ -2653,8 +2651,7 @@ ip4_rewrite_inline_with_gso (vlib_main_t * vm,
if (PREDICT_TRUE (error0 == IP4_ERROR_NONE))
{
u32 next_index = adj0[0].rewrite_header.next_index;
b[0]->current_data -= rw_len0;
b[0]->current_length += rw_len0;
vlib_buffer_advance (b[0], -(word) rw_len0);
tx_sw_if_index0 = adj0[0].rewrite_header.sw_if_index;
vnet_buffer (b[0])->sw_if_index[VLIB_TX] = tx_sw_if_index0;