From a0cdfcf39362410d5ea983f4daf67b38de129408 Mon Sep 17 00:00:00 2001 From: Atzm Watanabe Date: Tue, 17 Dec 2013 22:53:40 +0900 Subject: packet: deliver VLAN TPID to userspace This enables userspace to get VLAN TPID as well as the VLAN TCI. Signed-off-by: Atzm Watanabe Acked-by: Daniel Borkmann Signed-off-by: David S. Miller --- include/uapi/linux/if_packet.h | 24 ++++++++++++++---------- 1 file changed, 14 insertions(+), 10 deletions(-) (limited to 'include/uapi/linux/if_packet.h') diff --git a/include/uapi/linux/if_packet.h b/include/uapi/linux/if_packet.h index 9185dc9a4485..e9d844c80c11 100644 --- a/include/uapi/linux/if_packet.h +++ b/include/uapi/linux/if_packet.h @@ -84,17 +84,18 @@ 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 @@ -133,12 +134,15 @@ 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 { @@ -154,7 +158,7 @@ struct tpacket3_hdr { union { struct tpacket_hdr_variant1 hv1; }; - __u8 tp_padding[12]; + __u8 tp_padding[8]; }; struct tpacket_bd_ts { -- cgit