xref: /aosp_15_r20/external/libnl/include/linux-private/linux/in.h (revision 4dc78e53d49367fa8e61b07018507c90983a077d)
1*4dc78e53SAndroid Build Coastguard Worker /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
2*4dc78e53SAndroid Build Coastguard Worker /*
3*4dc78e53SAndroid Build Coastguard Worker  * INET		An implementation of the TCP/IP protocol suite for the LINUX
4*4dc78e53SAndroid Build Coastguard Worker  *		operating system.  INET is implemented using the  BSD Socket
5*4dc78e53SAndroid Build Coastguard Worker  *		interface as the means of communication with the user level.
6*4dc78e53SAndroid Build Coastguard Worker  *
7*4dc78e53SAndroid Build Coastguard Worker  *		Definitions of the Internet Protocol.
8*4dc78e53SAndroid Build Coastguard Worker  *
9*4dc78e53SAndroid Build Coastguard Worker  * Version:	@(#)in.h	1.0.1	04/21/93
10*4dc78e53SAndroid Build Coastguard Worker  *
11*4dc78e53SAndroid Build Coastguard Worker  * Authors:	Original taken from the GNU Project <netinet/in.h> file.
12*4dc78e53SAndroid Build Coastguard Worker  *		Fred N. van Kempen, <[email protected]>
13*4dc78e53SAndroid Build Coastguard Worker  *
14*4dc78e53SAndroid Build Coastguard Worker  *		This program is free software; you can redistribute it and/or
15*4dc78e53SAndroid Build Coastguard Worker  *		modify it under the terms of the GNU General Public License
16*4dc78e53SAndroid Build Coastguard Worker  *		as published by the Free Software Foundation; either version
17*4dc78e53SAndroid Build Coastguard Worker  *		2 of the License, or (at your option) any later version.
18*4dc78e53SAndroid Build Coastguard Worker  */
19*4dc78e53SAndroid Build Coastguard Worker #ifndef _LINUX_IN_H
20*4dc78e53SAndroid Build Coastguard Worker #define _LINUX_IN_H
21*4dc78e53SAndroid Build Coastguard Worker 
22*4dc78e53SAndroid Build Coastguard Worker #include <linux/types.h>
23*4dc78e53SAndroid Build Coastguard Worker #include <linux/stddef.h>
24*4dc78e53SAndroid Build Coastguard Worker #include <linux/libc-compat.h>
25*4dc78e53SAndroid Build Coastguard Worker #include <linux/socket.h>
26*4dc78e53SAndroid Build Coastguard Worker 
27*4dc78e53SAndroid Build Coastguard Worker #if __UAPI_DEF_IN_IPPROTO
28*4dc78e53SAndroid Build Coastguard Worker /* Standard well-defined IP protocols.  */
29*4dc78e53SAndroid Build Coastguard Worker enum {
30*4dc78e53SAndroid Build Coastguard Worker   IPPROTO_IP = 0,		/* Dummy protocol for TCP		*/
31*4dc78e53SAndroid Build Coastguard Worker #define IPPROTO_IP		IPPROTO_IP
32*4dc78e53SAndroid Build Coastguard Worker   IPPROTO_ICMP = 1,		/* Internet Control Message Protocol	*/
33*4dc78e53SAndroid Build Coastguard Worker #define IPPROTO_ICMP		IPPROTO_ICMP
34*4dc78e53SAndroid Build Coastguard Worker   IPPROTO_IGMP = 2,		/* Internet Group Management Protocol	*/
35*4dc78e53SAndroid Build Coastguard Worker #define IPPROTO_IGMP		IPPROTO_IGMP
36*4dc78e53SAndroid Build Coastguard Worker   IPPROTO_IPIP = 4,		/* IPIP tunnels (older KA9Q tunnels use 94) */
37*4dc78e53SAndroid Build Coastguard Worker #define IPPROTO_IPIP		IPPROTO_IPIP
38*4dc78e53SAndroid Build Coastguard Worker   IPPROTO_TCP = 6,		/* Transmission Control Protocol	*/
39*4dc78e53SAndroid Build Coastguard Worker #define IPPROTO_TCP		IPPROTO_TCP
40*4dc78e53SAndroid Build Coastguard Worker   IPPROTO_EGP = 8,		/* Exterior Gateway Protocol		*/
41*4dc78e53SAndroid Build Coastguard Worker #define IPPROTO_EGP		IPPROTO_EGP
42*4dc78e53SAndroid Build Coastguard Worker   IPPROTO_PUP = 12,		/* PUP protocol				*/
43*4dc78e53SAndroid Build Coastguard Worker #define IPPROTO_PUP		IPPROTO_PUP
44*4dc78e53SAndroid Build Coastguard Worker   IPPROTO_UDP = 17,		/* User Datagram Protocol		*/
45*4dc78e53SAndroid Build Coastguard Worker #define IPPROTO_UDP		IPPROTO_UDP
46*4dc78e53SAndroid Build Coastguard Worker   IPPROTO_IDP = 22,		/* XNS IDP protocol			*/
47*4dc78e53SAndroid Build Coastguard Worker #define IPPROTO_IDP		IPPROTO_IDP
48*4dc78e53SAndroid Build Coastguard Worker   IPPROTO_TP = 29,		/* SO Transport Protocol Class 4	*/
49*4dc78e53SAndroid Build Coastguard Worker #define IPPROTO_TP		IPPROTO_TP
50*4dc78e53SAndroid Build Coastguard Worker   IPPROTO_DCCP = 33,		/* Datagram Congestion Control Protocol */
51*4dc78e53SAndroid Build Coastguard Worker #define IPPROTO_DCCP		IPPROTO_DCCP
52*4dc78e53SAndroid Build Coastguard Worker   IPPROTO_IPV6 = 41,		/* IPv6-in-IPv4 tunnelling		*/
53*4dc78e53SAndroid Build Coastguard Worker #define IPPROTO_IPV6		IPPROTO_IPV6
54*4dc78e53SAndroid Build Coastguard Worker   IPPROTO_RSVP = 46,		/* RSVP Protocol			*/
55*4dc78e53SAndroid Build Coastguard Worker #define IPPROTO_RSVP		IPPROTO_RSVP
56*4dc78e53SAndroid Build Coastguard Worker   IPPROTO_GRE = 47,		/* Cisco GRE tunnels (rfc 1701,1702)	*/
57*4dc78e53SAndroid Build Coastguard Worker #define IPPROTO_GRE		IPPROTO_GRE
58*4dc78e53SAndroid Build Coastguard Worker   IPPROTO_ESP = 50,		/* Encapsulation Security Payload protocol */
59*4dc78e53SAndroid Build Coastguard Worker #define IPPROTO_ESP		IPPROTO_ESP
60*4dc78e53SAndroid Build Coastguard Worker   IPPROTO_AH = 51,		/* Authentication Header protocol	*/
61*4dc78e53SAndroid Build Coastguard Worker #define IPPROTO_AH		IPPROTO_AH
62*4dc78e53SAndroid Build Coastguard Worker   IPPROTO_MTP = 92,		/* Multicast Transport Protocol		*/
63*4dc78e53SAndroid Build Coastguard Worker #define IPPROTO_MTP		IPPROTO_MTP
64*4dc78e53SAndroid Build Coastguard Worker   IPPROTO_BEETPH = 94,		/* IP option pseudo header for BEET	*/
65*4dc78e53SAndroid Build Coastguard Worker #define IPPROTO_BEETPH		IPPROTO_BEETPH
66*4dc78e53SAndroid Build Coastguard Worker   IPPROTO_ENCAP = 98,		/* Encapsulation Header			*/
67*4dc78e53SAndroid Build Coastguard Worker #define IPPROTO_ENCAP		IPPROTO_ENCAP
68*4dc78e53SAndroid Build Coastguard Worker   IPPROTO_PIM = 103,		/* Protocol Independent Multicast	*/
69*4dc78e53SAndroid Build Coastguard Worker #define IPPROTO_PIM		IPPROTO_PIM
70*4dc78e53SAndroid Build Coastguard Worker   IPPROTO_COMP = 108,		/* Compression Header Protocol		*/
71*4dc78e53SAndroid Build Coastguard Worker #define IPPROTO_COMP		IPPROTO_COMP
72*4dc78e53SAndroid Build Coastguard Worker   IPPROTO_L2TP = 115,		/* Layer 2 Tunnelling Protocol		*/
73*4dc78e53SAndroid Build Coastguard Worker #define IPPROTO_L2TP		IPPROTO_L2TP
74*4dc78e53SAndroid Build Coastguard Worker   IPPROTO_SCTP = 132,		/* Stream Control Transport Protocol	*/
75*4dc78e53SAndroid Build Coastguard Worker #define IPPROTO_SCTP		IPPROTO_SCTP
76*4dc78e53SAndroid Build Coastguard Worker   IPPROTO_UDPLITE = 136,	/* UDP-Lite (RFC 3828)			*/
77*4dc78e53SAndroid Build Coastguard Worker #define IPPROTO_UDPLITE		IPPROTO_UDPLITE
78*4dc78e53SAndroid Build Coastguard Worker   IPPROTO_MPLS = 137,		/* MPLS in IP (RFC 4023)		*/
79*4dc78e53SAndroid Build Coastguard Worker #define IPPROTO_MPLS		IPPROTO_MPLS
80*4dc78e53SAndroid Build Coastguard Worker   IPPROTO_ETHERNET = 143,	/* Ethernet-within-IPv6 Encapsulation	*/
81*4dc78e53SAndroid Build Coastguard Worker #define IPPROTO_ETHERNET	IPPROTO_ETHERNET
82*4dc78e53SAndroid Build Coastguard Worker   IPPROTO_RAW = 255,		/* Raw IP packets			*/
83*4dc78e53SAndroid Build Coastguard Worker #define IPPROTO_RAW		IPPROTO_RAW
84*4dc78e53SAndroid Build Coastguard Worker   IPPROTO_MPTCP = 262,		/* Multipath TCP connection		*/
85*4dc78e53SAndroid Build Coastguard Worker #define IPPROTO_MPTCP		IPPROTO_MPTCP
86*4dc78e53SAndroid Build Coastguard Worker   IPPROTO_MAX
87*4dc78e53SAndroid Build Coastguard Worker };
88*4dc78e53SAndroid Build Coastguard Worker #endif
89*4dc78e53SAndroid Build Coastguard Worker 
90*4dc78e53SAndroid Build Coastguard Worker #if __UAPI_DEF_IN_ADDR
91*4dc78e53SAndroid Build Coastguard Worker /* Internet address. */
92*4dc78e53SAndroid Build Coastguard Worker struct in_addr {
93*4dc78e53SAndroid Build Coastguard Worker 	__be32	s_addr;
94*4dc78e53SAndroid Build Coastguard Worker };
95*4dc78e53SAndroid Build Coastguard Worker #endif
96*4dc78e53SAndroid Build Coastguard Worker 
97*4dc78e53SAndroid Build Coastguard Worker #define IP_TOS		1
98*4dc78e53SAndroid Build Coastguard Worker #define IP_TTL		2
99*4dc78e53SAndroid Build Coastguard Worker #define IP_HDRINCL	3
100*4dc78e53SAndroid Build Coastguard Worker #define IP_OPTIONS	4
101*4dc78e53SAndroid Build Coastguard Worker #define IP_ROUTER_ALERT	5
102*4dc78e53SAndroid Build Coastguard Worker #define IP_RECVOPTS	6
103*4dc78e53SAndroid Build Coastguard Worker #define IP_RETOPTS	7
104*4dc78e53SAndroid Build Coastguard Worker #define IP_PKTINFO	8
105*4dc78e53SAndroid Build Coastguard Worker #define IP_PKTOPTIONS	9
106*4dc78e53SAndroid Build Coastguard Worker #define IP_MTU_DISCOVER	10
107*4dc78e53SAndroid Build Coastguard Worker #define IP_RECVERR	11
108*4dc78e53SAndroid Build Coastguard Worker #define IP_RECVTTL	12
109*4dc78e53SAndroid Build Coastguard Worker #define	IP_RECVTOS	13
110*4dc78e53SAndroid Build Coastguard Worker #define IP_MTU		14
111*4dc78e53SAndroid Build Coastguard Worker #define IP_FREEBIND	15
112*4dc78e53SAndroid Build Coastguard Worker #define IP_IPSEC_POLICY	16
113*4dc78e53SAndroid Build Coastguard Worker #define IP_XFRM_POLICY	17
114*4dc78e53SAndroid Build Coastguard Worker #define IP_PASSSEC	18
115*4dc78e53SAndroid Build Coastguard Worker #define IP_TRANSPARENT	19
116*4dc78e53SAndroid Build Coastguard Worker 
117*4dc78e53SAndroid Build Coastguard Worker /* BSD compatibility */
118*4dc78e53SAndroid Build Coastguard Worker #define IP_RECVRETOPTS	IP_RETOPTS
119*4dc78e53SAndroid Build Coastguard Worker 
120*4dc78e53SAndroid Build Coastguard Worker /* TProxy original addresses */
121*4dc78e53SAndroid Build Coastguard Worker #define IP_ORIGDSTADDR       20
122*4dc78e53SAndroid Build Coastguard Worker #define IP_RECVORIGDSTADDR   IP_ORIGDSTADDR
123*4dc78e53SAndroid Build Coastguard Worker 
124*4dc78e53SAndroid Build Coastguard Worker #define IP_MINTTL       21
125*4dc78e53SAndroid Build Coastguard Worker #define IP_NODEFRAG     22
126*4dc78e53SAndroid Build Coastguard Worker #define IP_CHECKSUM	23
127*4dc78e53SAndroid Build Coastguard Worker #define IP_BIND_ADDRESS_NO_PORT	24
128*4dc78e53SAndroid Build Coastguard Worker #define IP_RECVFRAGSIZE	25
129*4dc78e53SAndroid Build Coastguard Worker #define IP_RECVERR_RFC4884	26
130*4dc78e53SAndroid Build Coastguard Worker 
131*4dc78e53SAndroid Build Coastguard Worker /* IP_MTU_DISCOVER values */
132*4dc78e53SAndroid Build Coastguard Worker #define IP_PMTUDISC_DONT		0	/* Never send DF frames */
133*4dc78e53SAndroid Build Coastguard Worker #define IP_PMTUDISC_WANT		1	/* Use per route hints	*/
134*4dc78e53SAndroid Build Coastguard Worker #define IP_PMTUDISC_DO			2	/* Always DF		*/
135*4dc78e53SAndroid Build Coastguard Worker #define IP_PMTUDISC_PROBE		3       /* Ignore dst pmtu      */
136*4dc78e53SAndroid Build Coastguard Worker /* Always use interface mtu (ignores dst pmtu) but don't set DF flag.
137*4dc78e53SAndroid Build Coastguard Worker  * Also incoming ICMP frag_needed notifications will be ignored on
138*4dc78e53SAndroid Build Coastguard Worker  * this socket to prevent accepting spoofed ones.
139*4dc78e53SAndroid Build Coastguard Worker  */
140*4dc78e53SAndroid Build Coastguard Worker #define IP_PMTUDISC_INTERFACE		4
141*4dc78e53SAndroid Build Coastguard Worker /* weaker version of IP_PMTUDISC_INTERFACE, which allows packets to get
142*4dc78e53SAndroid Build Coastguard Worker  * fragmented if they exeed the interface mtu
143*4dc78e53SAndroid Build Coastguard Worker  */
144*4dc78e53SAndroid Build Coastguard Worker #define IP_PMTUDISC_OMIT		5
145*4dc78e53SAndroid Build Coastguard Worker 
146*4dc78e53SAndroid Build Coastguard Worker #define IP_MULTICAST_IF			32
147*4dc78e53SAndroid Build Coastguard Worker #define IP_MULTICAST_TTL 		33
148*4dc78e53SAndroid Build Coastguard Worker #define IP_MULTICAST_LOOP 		34
149*4dc78e53SAndroid Build Coastguard Worker #define IP_ADD_MEMBERSHIP		35
150*4dc78e53SAndroid Build Coastguard Worker #define IP_DROP_MEMBERSHIP		36
151*4dc78e53SAndroid Build Coastguard Worker #define IP_UNBLOCK_SOURCE		37
152*4dc78e53SAndroid Build Coastguard Worker #define IP_BLOCK_SOURCE			38
153*4dc78e53SAndroid Build Coastguard Worker #define IP_ADD_SOURCE_MEMBERSHIP	39
154*4dc78e53SAndroid Build Coastguard Worker #define IP_DROP_SOURCE_MEMBERSHIP	40
155*4dc78e53SAndroid Build Coastguard Worker #define IP_MSFILTER			41
156*4dc78e53SAndroid Build Coastguard Worker #define MCAST_JOIN_GROUP		42
157*4dc78e53SAndroid Build Coastguard Worker #define MCAST_BLOCK_SOURCE		43
158*4dc78e53SAndroid Build Coastguard Worker #define MCAST_UNBLOCK_SOURCE		44
159*4dc78e53SAndroid Build Coastguard Worker #define MCAST_LEAVE_GROUP		45
160*4dc78e53SAndroid Build Coastguard Worker #define MCAST_JOIN_SOURCE_GROUP		46
161*4dc78e53SAndroid Build Coastguard Worker #define MCAST_LEAVE_SOURCE_GROUP	47
162*4dc78e53SAndroid Build Coastguard Worker #define MCAST_MSFILTER			48
163*4dc78e53SAndroid Build Coastguard Worker #define IP_MULTICAST_ALL		49
164*4dc78e53SAndroid Build Coastguard Worker #define IP_UNICAST_IF			50
165*4dc78e53SAndroid Build Coastguard Worker #define IP_LOCAL_PORT_RANGE		51
166*4dc78e53SAndroid Build Coastguard Worker #define IP_PROTOCOL			52
167*4dc78e53SAndroid Build Coastguard Worker 
168*4dc78e53SAndroid Build Coastguard Worker #define MCAST_EXCLUDE	0
169*4dc78e53SAndroid Build Coastguard Worker #define MCAST_INCLUDE	1
170*4dc78e53SAndroid Build Coastguard Worker 
171*4dc78e53SAndroid Build Coastguard Worker /* These need to appear somewhere around here */
172*4dc78e53SAndroid Build Coastguard Worker #define IP_DEFAULT_MULTICAST_TTL        1
173*4dc78e53SAndroid Build Coastguard Worker #define IP_DEFAULT_MULTICAST_LOOP       1
174*4dc78e53SAndroid Build Coastguard Worker 
175*4dc78e53SAndroid Build Coastguard Worker /* Request struct for multicast socket ops */
176*4dc78e53SAndroid Build Coastguard Worker 
177*4dc78e53SAndroid Build Coastguard Worker #if __UAPI_DEF_IP_MREQ
178*4dc78e53SAndroid Build Coastguard Worker struct ip_mreq  {
179*4dc78e53SAndroid Build Coastguard Worker 	struct in_addr imr_multiaddr;	/* IP multicast address of group */
180*4dc78e53SAndroid Build Coastguard Worker 	struct in_addr imr_interface;	/* local IP address of interface */
181*4dc78e53SAndroid Build Coastguard Worker };
182*4dc78e53SAndroid Build Coastguard Worker 
183*4dc78e53SAndroid Build Coastguard Worker struct ip_mreqn {
184*4dc78e53SAndroid Build Coastguard Worker 	struct in_addr	imr_multiaddr;		/* IP multicast address of group */
185*4dc78e53SAndroid Build Coastguard Worker 	struct in_addr	imr_address;		/* local IP address of interface */
186*4dc78e53SAndroid Build Coastguard Worker 	int		imr_ifindex;		/* Interface index */
187*4dc78e53SAndroid Build Coastguard Worker };
188*4dc78e53SAndroid Build Coastguard Worker 
189*4dc78e53SAndroid Build Coastguard Worker struct ip_mreq_source {
190*4dc78e53SAndroid Build Coastguard Worker 	__be32		imr_multiaddr;
191*4dc78e53SAndroid Build Coastguard Worker 	__be32		imr_interface;
192*4dc78e53SAndroid Build Coastguard Worker 	__be32		imr_sourceaddr;
193*4dc78e53SAndroid Build Coastguard Worker };
194*4dc78e53SAndroid Build Coastguard Worker 
195*4dc78e53SAndroid Build Coastguard Worker struct ip_msfilter {
196*4dc78e53SAndroid Build Coastguard Worker 	__be32		imsf_multiaddr;
197*4dc78e53SAndroid Build Coastguard Worker 	__be32		imsf_interface;
198*4dc78e53SAndroid Build Coastguard Worker 	__u32		imsf_fmode;
199*4dc78e53SAndroid Build Coastguard Worker 	__u32		imsf_numsrc;
200*4dc78e53SAndroid Build Coastguard Worker 	union {
201*4dc78e53SAndroid Build Coastguard Worker 		__be32		imsf_slist[1];
202*4dc78e53SAndroid Build Coastguard Worker 		__DECLARE_FLEX_ARRAY(__be32, imsf_slist_flex);
203*4dc78e53SAndroid Build Coastguard Worker 	};
204*4dc78e53SAndroid Build Coastguard Worker };
205*4dc78e53SAndroid Build Coastguard Worker 
206*4dc78e53SAndroid Build Coastguard Worker #define IP_MSFILTER_SIZE(numsrc) \
207*4dc78e53SAndroid Build Coastguard Worker 	(sizeof(struct ip_msfilter) - sizeof(__u32) \
208*4dc78e53SAndroid Build Coastguard Worker 	+ (numsrc) * sizeof(__u32))
209*4dc78e53SAndroid Build Coastguard Worker 
210*4dc78e53SAndroid Build Coastguard Worker struct group_req {
211*4dc78e53SAndroid Build Coastguard Worker 	__u32				 gr_interface;	/* interface index */
212*4dc78e53SAndroid Build Coastguard Worker 	struct __kernel_sockaddr_storage gr_group;	/* group address */
213*4dc78e53SAndroid Build Coastguard Worker };
214*4dc78e53SAndroid Build Coastguard Worker 
215*4dc78e53SAndroid Build Coastguard Worker struct group_source_req {
216*4dc78e53SAndroid Build Coastguard Worker 	__u32				 gsr_interface;	/* interface index */
217*4dc78e53SAndroid Build Coastguard Worker 	struct __kernel_sockaddr_storage gsr_group;	/* group address */
218*4dc78e53SAndroid Build Coastguard Worker 	struct __kernel_sockaddr_storage gsr_source;	/* source address */
219*4dc78e53SAndroid Build Coastguard Worker };
220*4dc78e53SAndroid Build Coastguard Worker 
221*4dc78e53SAndroid Build Coastguard Worker struct group_filter {
222*4dc78e53SAndroid Build Coastguard Worker 	union {
223*4dc78e53SAndroid Build Coastguard Worker 		struct {
224*4dc78e53SAndroid Build Coastguard Worker 			__u32				 gf_interface_aux; /* interface index */
225*4dc78e53SAndroid Build Coastguard Worker 			struct __kernel_sockaddr_storage gf_group_aux;	   /* multicast address */
226*4dc78e53SAndroid Build Coastguard Worker 			__u32				 gf_fmode_aux;	   /* filter mode */
227*4dc78e53SAndroid Build Coastguard Worker 			__u32				 gf_numsrc_aux;	   /* number of sources */
228*4dc78e53SAndroid Build Coastguard Worker 			struct __kernel_sockaddr_storage gf_slist[1];	   /* interface index */
229*4dc78e53SAndroid Build Coastguard Worker 		};
230*4dc78e53SAndroid Build Coastguard Worker 		struct {
231*4dc78e53SAndroid Build Coastguard Worker 			__u32				 gf_interface;	  /* interface index */
232*4dc78e53SAndroid Build Coastguard Worker 			struct __kernel_sockaddr_storage gf_group;	  /* multicast address */
233*4dc78e53SAndroid Build Coastguard Worker 			__u32				 gf_fmode;	  /* filter mode */
234*4dc78e53SAndroid Build Coastguard Worker 			__u32				 gf_numsrc;	  /* number of sources */
235*4dc78e53SAndroid Build Coastguard Worker 			struct __kernel_sockaddr_storage gf_slist_flex[]; /* interface index */
236*4dc78e53SAndroid Build Coastguard Worker 		};
237*4dc78e53SAndroid Build Coastguard Worker 	};
238*4dc78e53SAndroid Build Coastguard Worker };
239*4dc78e53SAndroid Build Coastguard Worker 
240*4dc78e53SAndroid Build Coastguard Worker #define GROUP_FILTER_SIZE(numsrc) \
241*4dc78e53SAndroid Build Coastguard Worker 	(sizeof(struct group_filter) - sizeof(struct __kernel_sockaddr_storage) \
242*4dc78e53SAndroid Build Coastguard Worker 	+ (numsrc) * sizeof(struct __kernel_sockaddr_storage))
243*4dc78e53SAndroid Build Coastguard Worker #endif
244*4dc78e53SAndroid Build Coastguard Worker 
245*4dc78e53SAndroid Build Coastguard Worker #if __UAPI_DEF_IN_PKTINFO
246*4dc78e53SAndroid Build Coastguard Worker struct in_pktinfo {
247*4dc78e53SAndroid Build Coastguard Worker 	int		ipi_ifindex;
248*4dc78e53SAndroid Build Coastguard Worker 	struct in_addr	ipi_spec_dst;
249*4dc78e53SAndroid Build Coastguard Worker 	struct in_addr	ipi_addr;
250*4dc78e53SAndroid Build Coastguard Worker };
251*4dc78e53SAndroid Build Coastguard Worker #endif
252*4dc78e53SAndroid Build Coastguard Worker 
253*4dc78e53SAndroid Build Coastguard Worker /* Structure describing an Internet (IP) socket address. */
254*4dc78e53SAndroid Build Coastguard Worker #if  __UAPI_DEF_SOCKADDR_IN
255*4dc78e53SAndroid Build Coastguard Worker #define __SOCK_SIZE__	16		/* sizeof(struct sockaddr)	*/
256*4dc78e53SAndroid Build Coastguard Worker struct sockaddr_in {
257*4dc78e53SAndroid Build Coastguard Worker   __kernel_sa_family_t	sin_family;	/* Address family		*/
258*4dc78e53SAndroid Build Coastguard Worker   __be16		sin_port;	/* Port number			*/
259*4dc78e53SAndroid Build Coastguard Worker   struct in_addr	sin_addr;	/* Internet address		*/
260*4dc78e53SAndroid Build Coastguard Worker 
261*4dc78e53SAndroid Build Coastguard Worker   /* Pad to size of `struct sockaddr'. */
262*4dc78e53SAndroid Build Coastguard Worker   unsigned char		__pad[__SOCK_SIZE__ - sizeof(short int) -
263*4dc78e53SAndroid Build Coastguard Worker 			sizeof(unsigned short int) - sizeof(struct in_addr)];
264*4dc78e53SAndroid Build Coastguard Worker };
265*4dc78e53SAndroid Build Coastguard Worker #define sin_zero	__pad		/* for BSD UNIX comp. -FvK	*/
266*4dc78e53SAndroid Build Coastguard Worker #endif
267*4dc78e53SAndroid Build Coastguard Worker 
268*4dc78e53SAndroid Build Coastguard Worker #if __UAPI_DEF_IN_CLASS
269*4dc78e53SAndroid Build Coastguard Worker /*
270*4dc78e53SAndroid Build Coastguard Worker  * Definitions of the bits in an Internet address integer.
271*4dc78e53SAndroid Build Coastguard Worker  * On subnets, host and network parts are found according
272*4dc78e53SAndroid Build Coastguard Worker  * to the subnet mask, not these masks.
273*4dc78e53SAndroid Build Coastguard Worker  */
274*4dc78e53SAndroid Build Coastguard Worker #define	IN_CLASSA(a)		((((long int) (a)) & 0x80000000) == 0)
275*4dc78e53SAndroid Build Coastguard Worker #define	IN_CLASSA_NET		0xff000000
276*4dc78e53SAndroid Build Coastguard Worker #define	IN_CLASSA_NSHIFT	24
277*4dc78e53SAndroid Build Coastguard Worker #define	IN_CLASSA_HOST		(0xffffffff & ~IN_CLASSA_NET)
278*4dc78e53SAndroid Build Coastguard Worker #define	IN_CLASSA_MAX		128
279*4dc78e53SAndroid Build Coastguard Worker 
280*4dc78e53SAndroid Build Coastguard Worker #define	IN_CLASSB(a)		((((long int) (a)) & 0xc0000000) == 0x80000000)
281*4dc78e53SAndroid Build Coastguard Worker #define	IN_CLASSB_NET		0xffff0000
282*4dc78e53SAndroid Build Coastguard Worker #define	IN_CLASSB_NSHIFT	16
283*4dc78e53SAndroid Build Coastguard Worker #define	IN_CLASSB_HOST		(0xffffffff & ~IN_CLASSB_NET)
284*4dc78e53SAndroid Build Coastguard Worker #define	IN_CLASSB_MAX		65536
285*4dc78e53SAndroid Build Coastguard Worker 
286*4dc78e53SAndroid Build Coastguard Worker #define	IN_CLASSC(a)		((((long int) (a)) & 0xe0000000) == 0xc0000000)
287*4dc78e53SAndroid Build Coastguard Worker #define	IN_CLASSC_NET		0xffffff00
288*4dc78e53SAndroid Build Coastguard Worker #define	IN_CLASSC_NSHIFT	8
289*4dc78e53SAndroid Build Coastguard Worker #define	IN_CLASSC_HOST		(0xffffffff & ~IN_CLASSC_NET)
290*4dc78e53SAndroid Build Coastguard Worker 
291*4dc78e53SAndroid Build Coastguard Worker #define	IN_CLASSD(a)		((((long int) (a)) & 0xf0000000) == 0xe0000000)
292*4dc78e53SAndroid Build Coastguard Worker #define	IN_MULTICAST(a)		IN_CLASSD(a)
293*4dc78e53SAndroid Build Coastguard Worker #define	IN_MULTICAST_NET	0xe0000000
294*4dc78e53SAndroid Build Coastguard Worker 
295*4dc78e53SAndroid Build Coastguard Worker #define	IN_BADCLASS(a)		(((long int) (a) ) == (long int)0xffffffff)
296*4dc78e53SAndroid Build Coastguard Worker #define	IN_EXPERIMENTAL(a)	IN_BADCLASS((a))
297*4dc78e53SAndroid Build Coastguard Worker 
298*4dc78e53SAndroid Build Coastguard Worker #define	IN_CLASSE(a)		((((long int) (a)) & 0xf0000000) == 0xf0000000)
299*4dc78e53SAndroid Build Coastguard Worker #define	IN_CLASSE_NET		0xffffffff
300*4dc78e53SAndroid Build Coastguard Worker #define	IN_CLASSE_NSHIFT	0
301*4dc78e53SAndroid Build Coastguard Worker 
302*4dc78e53SAndroid Build Coastguard Worker /* Address to accept any incoming messages. */
303*4dc78e53SAndroid Build Coastguard Worker #define	INADDR_ANY		((unsigned long int) 0x00000000)
304*4dc78e53SAndroid Build Coastguard Worker 
305*4dc78e53SAndroid Build Coastguard Worker /* Address to send to all hosts. */
306*4dc78e53SAndroid Build Coastguard Worker #define	INADDR_BROADCAST	((unsigned long int) 0xffffffff)
307*4dc78e53SAndroid Build Coastguard Worker 
308*4dc78e53SAndroid Build Coastguard Worker /* Address indicating an error return. */
309*4dc78e53SAndroid Build Coastguard Worker #define	INADDR_NONE		((unsigned long int) 0xffffffff)
310*4dc78e53SAndroid Build Coastguard Worker 
311*4dc78e53SAndroid Build Coastguard Worker /* Dummy address for src of ICMP replies if no real address is set (RFC7600). */
312*4dc78e53SAndroid Build Coastguard Worker #define	INADDR_DUMMY		((unsigned long int) 0xc0000008)
313*4dc78e53SAndroid Build Coastguard Worker 
314*4dc78e53SAndroid Build Coastguard Worker /* Network number for local host loopback. */
315*4dc78e53SAndroid Build Coastguard Worker #define	IN_LOOPBACKNET		127
316*4dc78e53SAndroid Build Coastguard Worker 
317*4dc78e53SAndroid Build Coastguard Worker /* Address to loopback in software to local host.  */
318*4dc78e53SAndroid Build Coastguard Worker #define	INADDR_LOOPBACK		0x7f000001	/* 127.0.0.1   */
319*4dc78e53SAndroid Build Coastguard Worker #define	IN_LOOPBACK(a)		((((long int) (a)) & 0xff000000) == 0x7f000000)
320*4dc78e53SAndroid Build Coastguard Worker 
321*4dc78e53SAndroid Build Coastguard Worker /* Defines for Multicast INADDR */
322*4dc78e53SAndroid Build Coastguard Worker #define INADDR_UNSPEC_GROUP		0xe0000000U	/* 224.0.0.0   */
323*4dc78e53SAndroid Build Coastguard Worker #define INADDR_ALLHOSTS_GROUP		0xe0000001U	/* 224.0.0.1   */
324*4dc78e53SAndroid Build Coastguard Worker #define INADDR_ALLRTRS_GROUP		0xe0000002U	/* 224.0.0.2 */
325*4dc78e53SAndroid Build Coastguard Worker #define INADDR_ALLSNOOPERS_GROUP	0xe000006aU	/* 224.0.0.106 */
326*4dc78e53SAndroid Build Coastguard Worker #define INADDR_MAX_LOCAL_GROUP		0xe00000ffU	/* 224.0.0.255 */
327*4dc78e53SAndroid Build Coastguard Worker #endif
328*4dc78e53SAndroid Build Coastguard Worker 
329*4dc78e53SAndroid Build Coastguard Worker /* <asm/byteorder.h> contains the htonl type stuff.. */
330*4dc78e53SAndroid Build Coastguard Worker #include <asm/byteorder.h>
331*4dc78e53SAndroid Build Coastguard Worker 
332*4dc78e53SAndroid Build Coastguard Worker 
333*4dc78e53SAndroid Build Coastguard Worker #endif /* _LINUX_IN_H */
334