[PATCH net-next v2 18/27] net/skbuff: add macros for VLAN_PRESENT bit
From: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Date: 2017-01-03 20:52:38
Also in:
linux-arm-kernel, linux-mips, linuxppc-dev, sparclinux
Subsystem:
networking [general], the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> --- include/linux/skbuff.h | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index b53c0cfd417e..168c3e486bd4 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h@@ -768,6 +768,12 @@ struct sk_buff { __u32 priority; int skb_iif; __u32 hash; +#define PKT_VLAN_PRESENT_BIT 4 // CFI (12-th bit) in TCI +#ifdef __BIG_ENDIAN +#define PKT_VLAN_PRESENT_OFFSET() offsetof(struct sk_buff, vlan_tci) +#else +#define PKT_VLAN_PRESENT_OFFSET() (offsetof(struct sk_buff, vlan_tci) + 1) +#endif __be16 vlan_proto; __u16 vlan_tci; #if defined(CONFIG_NET_RX_BUSY_POLL) || defined(CONFIG_XPS)
--
2.11.0