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authorAllan Stephens <allan.stephens@windriver.com>2006-10-16 21:50:20 -0700
committerDavid S. Miller <davem@sunset.davemloft.net>2006-10-18 19:55:18 -0700
commit3a8d12142eab420ffcbbf3d1d2e637158e85aab8 (patch)
treeeab094224f22abdaa52b81fcf7c8fc2a5f06004b /net/tipc/core.h
parenta3df92c73b92970dc4211189b87eb4cf874f5685 (diff)
downloadop-kernel-dev-3a8d12142eab420ffcbbf3d1d2e637158e85aab8.zip
op-kernel-dev-3a8d12142eab420ffcbbf3d1d2e637158e85aab8.tar.gz
[TIPC]: Add support for Ethernet VLANs
This patch enhances TIPC's Ethernet support to include VLAN interfaces. Signed-off-by: Allan Stephens <allan.stephens@windriver.com> Signed-off-by: Per Liden <per.liden@ericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/tipc/core.h')
-rw-r--r--net/tipc/core.h8
1 files changed, 6 insertions, 2 deletions
diff --git a/net/tipc/core.h b/net/tipc/core.h
index d1c3948..4638947c 100644
--- a/net/tipc/core.h
+++ b/net/tipc/core.h
@@ -275,11 +275,15 @@ static inline void k_term_timer(struct timer_list *timer)
/*
* TIPC message buffer code
*
- * TIPC message buffer headroom leaves room for 14 byte Ethernet header,
+ * TIPC message buffer headroom reserves space for a link-level header
+ * (in case the message is sent off-node),
* while ensuring TIPC header is word aligned for quicker access
+ *
+ * The largest header currently supported is 18 bytes, which is used when
+ * the standard 14 byte Ethernet header has 4 added bytes for VLAN info
*/
-#define BUF_HEADROOM 16u
+#define BUF_HEADROOM 20u
struct tipc_skb_cb {
void *handle;
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