From 5109f9fd6a76116090b34a192d4a957d2ad0621e Mon Sep 17 00:00:00 2001 From: Michał Mirosław Date: Sat, 10 Nov 2018 19:58:34 +0100 Subject: net/skbuff: add macros for VLAN_PRESENT bit MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Wrap VLAN_PRESENT bit using macro like PKT_TYPE_* and CLONED_*, as used by BPF code. Signed-off-by: Michał Mirosław Signed-off-by: David S. Miller --- include/linux/skbuff.h | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'include/linux/skbuff.h') diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 7dcfb5591dc3..99f38779332c 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -816,6 +816,12 @@ 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) -- cgit