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net: fix build with pedantic

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The following error popped when compiling with -pedantic:

In file included from
 drivers/net/mlx5/mlx5_flow_dv.c:28:0:
 include/rte_gre.h:20:2:
 error: type of bit-field 'res2' is a GCC  extension [-Werror=pedantic]
 uint16_t res2:4; /**< Reserved */

Fixing by adding the __extension__ attribute.

Fixes: 894f71a3805d ("net: add GRE header structure")
Cc: stable@dpdk.org

Signed-off-by: Shahaf Shuler <shahafs@mellanox.com>
Reviewed-by: Ferruh Yigit <ferruh.yigit@intel.com>
This commit is contained in:
Shahaf Shuler 2018-11-01 14:46:45 +02:00 committed by Ferruh Yigit
parent 3bcc6d6a83
commit be685863a9
1 changed files with 1 additions and 0 deletions
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lib/librte_net/rte_gre.h
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@ -15,6 +15,7 @@ extern "C" {
/**
* GRE Header
*/
__extension__
struct gre_hdr {
#if RTE_BYTE_ORDER == RTE_LITTLE_ENDIAN
uint16_t res2:4; /**< Reserved */