[dpdk-dev] [PATCH] net: fix compilation with GRE header

[Shahaf Shuler]

The following error popped when compiling with -pedantic:

In file included from
/.autodirect/swgwork/shahafs/workspace/dpdk.org/drivers/net/
mlx5/mlx5_flow_dv.c:28:0:
/.autodirect/swgwork/shahafs/workspace/dpdk.org/
build/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 at dpdk.org
Cc: olivier.matz at 6wind.com

Signed-off-by: Shahaf Shuler <shahafs at mellanox.com>
---
 lib/librte_net/rte_gre.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/librte_net/rte_gre.h b/lib/librte_net/rte_gre.h
index 69499bb82a..05aa9d143e 100644
--- a/lib/librte_net/rte_gre.h
+++ b/lib/librte_net/rte_gre.h
@@ -15,6 +15,7 @@ extern "C" {
 /**
  * GRE Header
  */
+__extension__
 struct gre_hdr {
 #if RTE_BYTE_ORDER == RTE_LITTLE_ENDIAN
 	uint16_t res2:4; /**< Reserved */
-- 
2.12.0