#
# Location definitions for packet matching
#

# name		alignment	offset		mask
ip.version	u8		net+0		0xF0
ip.hdrlen	u8		net+0		0x0F
ip.diffserv	u8		net+1
ip.length	u16		net+2
ip.id		u16		net+4
ip.df		u8		net+6		0x40
ip.mf		u8		net+6		0x20
ip.offset	u16		net+6		0x1FFF
ip.ttl		u8		net+8
ip.proto	u8		net+9
ip.chksum	u16		net+10
ip.src		u32		net+12
ip.dst		u32		net+16


#
# Transmission Control Protocol (TCP)
#
# name		alignment	offset		mask
tcp.sport	u16		tcp+0
tcp.dport	u16		tcp+2
tcp.seq		u32		tcp+4
tcp.ack		u32		tcp+8
tcp.off		u8		tcp+12		0xF0
tcp.reserved	u8		tcp+12		0x0F
# FLAGS
tcp.win		u16		tcp+14
tcp.csum	u16		tcp+16
tcp.urg		u16		tcp+18
tcp.opts	u32		tcp+20

#
# User Datagram Protocol (UDP)
#
# name		alignment	offset		mask
udp.sport	u16		tcp+0
udp.dport	u16		tcp+2
udp.length	u16		tcp+4
udp.csum	u16		tcp+6