netdev - Re: gone with the spring cleanup..

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Date:	Wed, 13 May 2015 12:42:49 +0200
From:	Jiri Pirko <jiri@...nulli.us>
To:	Or Gerlitz <ogerlitz@...lanox.com>
Cc:	Scott Feldman <sfeldma@...il.com>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: gone with the spring cleanup..

Wed, May 13, 2015 at 12:38:12PM CEST, jiri@...nulli.us wrote:
>Wed, May 13, 2015 at 11:12:45AM CEST, ogerlitz@...lanox.com wrote:
>>Hi Scott, Jiri
>>
>>So, following the spring cleanup, my builder (which turns to have pretty old
>>GCC 4.4.6) isn't functional anymore w.r.t net-next... I checked on different
>>station and it works on GCC 4.9.2.
>>
>>I would love us to get this fixed, please let me know if you need more info,
>>below is the build verbose command line build error.
>>
>>Few more pieces of info, changing -std=gnu89to -std=gnu99didn't help. Also
>>the command line where it does work (4.9.2) uses -std=gnu89
>
>Looks like the problem might be in named structures which suppose to be
>anonymous. Would you try following patch:

oh, switchdev_obj_vlan and switchdev_obj_ipv4_fib is used in rocker..
So better:


diff --git a/include/net/switchdev.h b/include/net/switchdev.h
index 3b217b4..32ce31d 100644
--- a/include/net/switchdev.h
+++ b/include/net/switchdev.h
@@ -49,24 +49,28 @@ enum switchdev_obj_id {
 	SWITCHDEV_OBJ_IPV4_FIB,
 };
 
+struct switchdev_obj_vlan {
+	u16 flags;
+	u16 vid_start;
+	u16 vid_end;
+};
+
+struct switchdev_obj_ipv4_fib {
+	u32 dst;
+	int dst_len;
+	struct fib_info *fi;
+	u8 tos;
+	u8 type;
+	u32 nlflags;
+	u32 tb_id;
+};
+
 struct switchdev_obj {
 	enum switchdev_obj_id id;
 	enum switchdev_trans trans;
 	union {
-		struct switchdev_obj_vlan {			/* PORT_VLAN */
-			u16 flags;
-			u16 vid_start;
-			u16 vid_end;
-		} vlan;
-		struct switchdev_obj_ipv4_fib {		/* IPV4_FIB */
-			u32 dst;
-			int dst_len;
-			struct fib_info *fi;
-			u8 tos;
-			u8 type;
-			u32 nlflags;
-			u32 tb_id;
-		} ipv4_fib;
+		struct switchdev_obj_vlan vlan;
+		struct switchdev_obj_ipv4_fib ipv4_fib;
 	};
 };
 
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