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%ifndef __BITS_IN_INC
%define __BITS_IN_INC

; Options for use with `getsockopt' and `setsockopt' at the IP level.
; The first word in the comment at the right is the data type used;
; "bool" means a boolean value stored in an `int'.  

	%define		IP_OPTIONS					4	; ip_opts; IP per-packet options.  
	%define		IP_HDRINCL					3	; int; Header is included with data.  
	%define		IP_TOS						1	; int; IP type of service and precedence.  
	%define		IP_TTL						2	; int; IP time to live.  
	%define		IP_RECVOPTS					6	; bool; Receive all IP options w/datagram.  
	; For BSD compatibility.  
	%define		IP_RECVRETOPTS				IP_RETOPTS	; bool; Receive IP options for response.  
	%define		IP_RETOPTS					7	; ip_opts; Set/get IP per-packet options.  
	%define		IP_MULTICAST_IF				32	; in_addr; set/get IP multicast i/f 
	%define		IP_MULTICAST_TTL			33	; u_char; set/get IP multicast ttl 
	%define		IP_MULTICAST_LOOP			34	; i_char; set/get IP multicast loopback 
	%define		IP_ADD_MEMBERSHIP			35	; ip_mreq; add an IP group membership 
	%define		IP_DROP_MEMBERSHIP			36	; ip_mreq; drop an IP group membership 
	%define		IP_UNBLOCK_SOURCE			37	; ip_mreq_source: unblock data from source 
	%define		IP_BLOCK_SOURCE				38	; ip_mreq_source: block data from source 
	%define		IP_ADD_SOURCE_MEMBERSHIP	39	; ip_mreq_source: join source group 
	%define		IP_DROP_SOURCE_MEMBERSHIP	40	; ip_mreq_source: leave source group 
	%define		IP_MSFILTER					41
	%ifdef __USE_MISC
		%define		MCAST_JOIN_GROUP			42	; group_req: join any-source group 
		%define		MCAST_BLOCK_SOURCE			43	; group_source_req: block from given group 
		%define		MCAST_UNBLOCK_SOURCE		44	; group_source_req: unblock from given group
		%define		MCAST_LEAVE_GROUP			45	; group_req: leave any-source group 
		%define		MCAST_JOIN_SOURCE_GROUP		46	; group_source_req: join source-spec gr 
		%define		MCAST_LEAVE_SOURCE_GROUP	47	; group_source_req: leave source-spec gr
		%define		MCAST_MSFILTER				48
		%define		IP_MULTICAST_ALL			49
		%define		IP_UNICAST_IF				50
		%define		MCAST_EXCLUDE				0
		%define		MCAST_INCLUDE				1
	%endif

	%define		IP_ROUTER_ALERT				5	; bool 
	%define		IP_PKTINFO					8	; bool 
	%define		IP_PKTOPTIONS				9
	%define		IP_PMTUDISC					10	; obsolete name? 
	%define		IP_MTU_DISCOVER				10	; int; see below 
	%define		IP_RECVERR					11	; bool 
	%define		IP_RECVTTL					12	; bool 
	%define		IP_RECVTOS					13	; bool 
	%define		IP_MTU						14	; int 
	%define		IP_FREEBIND					15
	%define		IP_IPSEC_POLICY				16
	%define		IP_XFRM_POLICY				17
	%define		IP_PASSSEC					18
	%define		IP_TRANSPARENT				19
	%define		IP_MULTICAST_ALL			49	; bool 

	; TProxy original addresses 
	%define		IP_ORIGDSTADDR				20
	%define		IP_RECVORIGDSTADDR			IP_ORIGDSTADDR
	%define		IP_MINTTL					21
	%define		IP_NODEFRAG					22
	%define		IP_CHECKSUM					23
	%define		IP_BIND_ADDRESS_NO_PORT		24
	; IP_MTU_DISCOVER arguments.  
	%define		IP_PMTUDISC_DONT			0	; Never send DF frames.  
	%define		IP_PMTUDISC_WANT			1	; Use per route hints.  
	%define		IP_PMTUDISC_DO				2	; Always DF.  
	%define		IP_PMTUDISC_PROBE			3	; Ignore dst pmtu.  
	; Always use interface mtu (ignores dst pmtu) but don't set DF flag.
	; Also incoming ICMP frag_needed notifications will be ignored on
	; this socket to prevent accepting spoofed ones.  
	%define		IP_PMTUDISC_INTERFACE		4
	; Like IP_PMTUDISC_INTERFACE but allow packets to be fragmented.  
	%define		IP_PMTUDISC_OMIT			5
	%define		IP_MULTICAST_IF				32
	%define		IP_MULTICAST_TTL 			33
	%define		IP_MULTICAST_LOOP	 		34
	%define		IP_ADD_MEMBERSHIP			35
	%define		IP_DROP_MEMBERSHIP			36
	%define		IP_UNBLOCK_SOURCE			37
	%define		IP_BLOCK_SOURCE				38
	%define		IP_ADD_SOURCE_MEMBERSHIP	39
	%define		IP_DROP_SOURCE_MEMBERSHIP	40
	%define		IP_MSFILTER					41
	%define		IP_MULTICAST_ALL			49
	%define		IP_UNICAST_IF				50

	; To select the IP level.  
	%define		SOL_IP						0
	%define		IP_DEFAULT_MULTICAST_TTL	1
	%define		IP_DEFAULT_MULTICAST_LOOP	1
	%define		IP_MAX_MEMBERSHIPS			20

	;%ifdef __USE_MISC
		;; Structure used to describe IP options for IP_OPTIONS and IP_RETOPTS.
		;; The `ip_dst' field is used for the first-hop gateway when using a
		;; source route (this gets put into the header proper).
		;struct ip_opts
		;{
		;	struct in_addr ip_dst;			; First hop; zero without source route.  
		;	char ip_opts[40];				; Actually variable in size.  
		;};

		;; Like `struct ip_mreq' but including interface specification by index.  
		;struct ip_mreqn
		;{
		;	struct in_addr imr_multiaddr;	; IP multicast address of group 
		;	struct in_addr imr_address;		; local IP address of interface 
		;	int	imr_ifindex;				; Interface index 
		;};

		;; Structure used for IP_PKTINFO.  
		;struct in_pktinfo
		;{
		;	int ipi_ifindex;				; Interface index  
		;	struct in_addr ipi_spec_dst;	; Routing destination address  
		;	struct in_addr ipi_addr;		; Header destination address  
		;};
	;%endif

	; Options for use with `getsockopt' and `setsockopt' at the IPv6 level.
	; The first word in the comment at the right is the data type used;
	; "bool" means a boolean value stored in an `int'.  
	%define		IPV6_ADDRFORM			1
	%define		IPV6_2292PKTINFO		2
	%define		IPV6_2292HOPOPTS		3
	%define		IPV6_2292DSTOPTS		4
	%define		IPV6_2292RTHDR			5
	%define		IPV6_2292PKTOPTIONS		6
	%define		IPV6_CHECKSUM			7
	%define		IPV6_2292HOPLIMIT		8
	%define		SCM_SRCRT				IPV6_RXSRCRT
	%define		IPV6_NEXTHOP			9
	%define		IPV6_AUTHHDR			10
	%define		IPV6_UNICAST_HOPS		16
	%define		IPV6_MULTICAST_IF		17
	%define		IPV6_MULTICAST_HOPS		18
	%define		IPV6_MULTICAST_LOOP		19
	%define		IPV6_JOIN_GROUP			20
	%define		IPV6_LEAVE_GROUP		21
	%define		IPV6_ROUTER_ALERT		22
	%define		IPV6_MTU_DISCOVER		23
	%define		IPV6_MTU				24
	%define		IPV6_RECVERR			25
	%define		IPV6_V6ONLY				26
	%define		IPV6_JOIN_ANYCAST		27
	%define		IPV6_LEAVE_ANYCAST		28
	%define		IPV6_IPSEC_POLICY		34
	%define		IPV6_XFRM_POLICY		35

%endif		; __BITS_IN_INC