File 0002-packet-deliver-VLAN-TPID-to-userspace.patch of Package linux-glibc-devel

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File 0002-packet-deliver-VLAN-TPID-to-userspace.patch of Package linux-glibc-devel

From a0cdfcf39362410d5ea983f4daf67b38de129408 Mon Sep 17 00:00:00 2001
From: Atzm Watanabe <atzm@stratosphere.co.jp>
Date: Tue, 17 Dec 2013 22:53:40 +0900
Subject: [PATCH 2/2] packet: deliver VLAN TPID to userspace
Git-commit: a0cdfcf39362410d5ea983f4daf67b38de129408
Patch-mainline: v3.14-rc1
References: bnc#874131

This enables userspace to get VLAN TPID as well as the VLAN TCI.

Signed-off-by: Atzm Watanabe <atzm@stratosphere.co.jp>
Acked-by: Daniel Borkmann <dborkman@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Michal Marek <mmarek@suse.cz>
---
 usr/include/linux/if_packet.h |   24 ++++++++++++++----------
 1 file changed, 14 insertions(+), 10 deletions(-)

--- linux-glibc-devel-3.12.orig/usr/include/linux/if_packet.h
+++ linux-glibc-devel-3.12/usr/include/linux/if_packet.h
@@ -83,17 +83,18 @@ struct tpacket_auxdata {
 	__u16		tp_mac;
 	__u16		tp_net;
 	__u16		tp_vlan_tci;
-	__u16		tp_padding;
+	__u16		tp_vlan_tpid;
 };
 
 /* Rx ring - header status */
-#define TP_STATUS_KERNEL	      0
-#define TP_STATUS_USER		(1 << 0)
-#define TP_STATUS_COPY		(1 << 1)
-#define TP_STATUS_LOSING	(1 << 2)
-#define TP_STATUS_CSUMNOTREADY	(1 << 3)
-#define TP_STATUS_VLAN_VALID	(1 << 4) /* auxdata has valid tp_vlan_tci */
-#define TP_STATUS_BLK_TMO	(1 << 5)
+#define TP_STATUS_KERNEL		      0
+#define TP_STATUS_USER			(1 << 0)
+#define TP_STATUS_COPY			(1 << 1)
+#define TP_STATUS_LOSING		(1 << 2)
+#define TP_STATUS_CSUMNOTREADY		(1 << 3)
+#define TP_STATUS_VLAN_VALID		(1 << 4) /* auxdata has valid tp_vlan_tci */
+#define TP_STATUS_BLK_TMO		(1 << 5)
+#define TP_STATUS_VLAN_TPID_VALID	(1 << 6) /* auxdata has valid tp_vlan_tpid */
 
 /* Tx ring - header status */
 #define TP_STATUS_AVAILABLE	      0
@@ -132,12 +133,15 @@ struct tpacket2_hdr {
 	__u32		tp_sec;
 	__u32		tp_nsec;
 	__u16		tp_vlan_tci;
-	__u8		tp_padding[6];
+	__u16		tp_vlan_tpid;
+	__u8		tp_padding[4];
 };
 
 struct tpacket_hdr_variant1 {
 	__u32	tp_rxhash;
 	__u32	tp_vlan_tci;
+	__u16	tp_vlan_tpid;
+	__u16	tp_padding;
 };
 
 struct tpacket3_hdr {
@@ -153,7 +157,7 @@ struct tpacket3_hdr {
 	union {
 		struct tpacket_hdr_variant1 hv1;
 	};
-	__u8		tp_padding[12];
+	__u8		tp_padding[8];
 };
 
 struct tpacket_bd_ts {

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File 0002-packet-deliver-VLAN-TPID-to-userspace.patch of Package linux-glibc-devel

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