Patchwork [2/3] sk_buff: add bridge_restricted flag

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Submitter Antonio Quartulli
Date April 8, 2013, 5:41 p.m.
Message ID <1365442863-32394-3-git-send-email-antonio@open-mesh.com>
Download mbox | patch
Permalink /patch/234852/
State Changes Requested
Delegated to: David Miller
Headers show

Comments

Antonio Quartulli - April 8, 2013, 5:41 p.m.
This new flag tells whether the skb has been originated by
an interface marked with the IFF_BRIDGE_RESTRICTED flag.

This information can be used to prevent a packet from being
forwarded to another restricted interface.

Signed-off-by: Antonio Quartulli <antonio@open-mesh.com>
---
 include/linux/skbuff.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

Patch

diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index e27d1c7..2054073 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -492,7 +492,8 @@  struct sk_buff {
 	 * headers if needed
 	 */
 	__u8			encapsulation:1;
-	/* 7/9 bit hole (depending on ndisc_nodetype presence) */
+	__u8			bridge_restricted:1;
+	/* 9/11 bit hole (depending on ndisc_nodetype presence) */
 	kmemcheck_bitfield_end(flags2);
 
 #ifdef CONFIG_NET_DMA