~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

TOMOYO Linux Cross Reference
Linux/include/uapi/linux/in.h

Version: ~ [ linux-6.0-rc1 ] ~ [ linux-5.19.1 ] ~ [ linux-5.18.17 ] ~ [ linux-5.17.15 ] ~ [ linux-5.16.20 ] ~ [ linux-5.15.60 ] ~ [ linux-5.14.21 ] ~ [ linux-5.13.19 ] ~ [ linux-5.12.19 ] ~ [ linux-5.11.22 ] ~ [ linux-5.10.136 ] ~ [ linux-5.9.16 ] ~ [ linux-5.8.18 ] ~ [ linux-5.7.19 ] ~ [ linux-5.6.19 ] ~ [ linux-5.5.19 ] ~ [ linux-5.4.210 ] ~ [ linux-5.3.18 ] ~ [ linux-5.2.21 ] ~ [ linux-5.1.21 ] ~ [ linux-5.0.21 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.255 ] ~ [ linux-4.18.20 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.290 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.325 ] ~ [ linux-4.8.17 ] ~ [ linux-4.7.10 ] ~ [ linux-4.6.7 ] ~ [ linux-4.5.7 ] ~ [ linux-4.4.302 ] ~ [ linux-4.3.6 ] ~ [ linux-4.2.8 ] ~ [ linux-4.1.52 ] ~ [ linux-4.0.9 ] ~ [ linux-3.10.108 ] ~ [ linux-2.6.32.71 ] ~ [ linux-2.6.0 ] ~ [ linux-2.4.37.11 ] ~ [ unix-v6-master ] ~ [ ccs-tools-1.8.9 ] ~ [ policy-sample ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~

  1 /*
  2  * INET         An implementation of the TCP/IP protocol suite for the LINUX
  3  *              operating system.  INET is implemented using the  BSD Socket
  4  *              interface as the means of communication with the user level.
  5  *
  6  *              Definitions of the Internet Protocol.
  7  *
  8  * Version:     @(#)in.h        1.0.1   04/21/93
  9  *
 10  * Authors:     Original taken from the GNU Project <netinet/in.h> file.
 11  *              Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG>
 12  *
 13  *              This program is free software; you can redistribute it and/or
 14  *              modify it under the terms of the GNU General Public License
 15  *              as published by the Free Software Foundation; either version
 16  *              2 of the License, or (at your option) any later version.
 17  */
 18 #ifndef _UAPI_LINUX_IN_H
 19 #define _UAPI_LINUX_IN_H
 20 
 21 #include <linux/types.h>
 22 #include <linux/libc-compat.h>
 23 #include <linux/socket.h>
 24 
 25 #if __UAPI_DEF_IN_IPPROTO
 26 /* Standard well-defined IP protocols.  */
 27 enum {
 28   IPPROTO_IP = 0,               /* Dummy protocol for TCP               */
 29 #define IPPROTO_IP              IPPROTO_IP
 30   IPPROTO_ICMP = 1,             /* Internet Control Message Protocol    */
 31 #define IPPROTO_ICMP            IPPROTO_ICMP
 32   IPPROTO_IGMP = 2,             /* Internet Group Management Protocol   */
 33 #define IPPROTO_IGMP            IPPROTO_IGMP
 34   IPPROTO_IPIP = 4,             /* IPIP tunnels (older KA9Q tunnels use 94) */
 35 #define IPPROTO_IPIP            IPPROTO_IPIP
 36   IPPROTO_TCP = 6,              /* Transmission Control Protocol        */
 37 #define IPPROTO_TCP             IPPROTO_TCP
 38   IPPROTO_EGP = 8,              /* Exterior Gateway Protocol            */
 39 #define IPPROTO_EGP             IPPROTO_EGP
 40   IPPROTO_PUP = 12,             /* PUP protocol                         */
 41 #define IPPROTO_PUP             IPPROTO_PUP
 42   IPPROTO_UDP = 17,             /* User Datagram Protocol               */
 43 #define IPPROTO_UDP             IPPROTO_UDP
 44   IPPROTO_IDP = 22,             /* XNS IDP protocol                     */
 45 #define IPPROTO_IDP             IPPROTO_IDP
 46   IPPROTO_TP = 29,              /* SO Transport Protocol Class 4        */
 47 #define IPPROTO_TP              IPPROTO_TP
 48   IPPROTO_DCCP = 33,            /* Datagram Congestion Control Protocol */
 49 #define IPPROTO_DCCP            IPPROTO_DCCP
 50   IPPROTO_IPV6 = 41,            /* IPv6-in-IPv4 tunnelling              */
 51 #define IPPROTO_IPV6            IPPROTO_IPV6
 52   IPPROTO_RSVP = 46,            /* RSVP Protocol                        */
 53 #define IPPROTO_RSVP            IPPROTO_RSVP
 54   IPPROTO_GRE = 47,             /* Cisco GRE tunnels (rfc 1701,1702)    */
 55 #define IPPROTO_GRE             IPPROTO_GRE
 56   IPPROTO_ESP = 50,             /* Encapsulation Security Payload protocol */
 57 #define IPPROTO_ESP             IPPROTO_ESP
 58   IPPROTO_AH = 51,              /* Authentication Header protocol       */
 59 #define IPPROTO_AH              IPPROTO_AH
 60   IPPROTO_MTP = 92,             /* Multicast Transport Protocol         */
 61 #define IPPROTO_MTP             IPPROTO_MTP
 62   IPPROTO_BEETPH = 94,          /* IP option pseudo header for BEET     */
 63 #define IPPROTO_BEETPH          IPPROTO_BEETPH
 64   IPPROTO_ENCAP = 98,           /* Encapsulation Header                 */
 65 #define IPPROTO_ENCAP           IPPROTO_ENCAP
 66   IPPROTO_PIM = 103,            /* Protocol Independent Multicast       */
 67 #define IPPROTO_PIM             IPPROTO_PIM
 68   IPPROTO_COMP = 108,           /* Compression Header Protocol          */
 69 #define IPPROTO_COMP            IPPROTO_COMP
 70   IPPROTO_SCTP = 132,           /* Stream Control Transport Protocol    */
 71 #define IPPROTO_SCTP            IPPROTO_SCTP
 72   IPPROTO_UDPLITE = 136,        /* UDP-Lite (RFC 3828)                  */
 73 #define IPPROTO_UDPLITE         IPPROTO_UDPLITE
 74   IPPROTO_MPLS = 137,           /* MPLS in IP (RFC 4023)                */
 75 #define IPPROTO_MPLS            IPPROTO_MPLS
 76   IPPROTO_RAW = 255,            /* Raw IP packets                       */
 77 #define IPPROTO_RAW             IPPROTO_RAW
 78   IPPROTO_MAX
 79 };
 80 #endif
 81 
 82 #if __UAPI_DEF_IN_ADDR
 83 /* Internet address. */
 84 struct in_addr {
 85         __be32  s_addr;
 86 };
 87 #endif
 88 
 89 #define IP_TOS          1
 90 #define IP_TTL          2
 91 #define IP_HDRINCL      3
 92 #define IP_OPTIONS      4
 93 #define IP_ROUTER_ALERT 5
 94 #define IP_RECVOPTS     6
 95 #define IP_RETOPTS      7
 96 #define IP_PKTINFO      8
 97 #define IP_PKTOPTIONS   9
 98 #define IP_MTU_DISCOVER 10
 99 #define IP_RECVERR      11
100 #define IP_RECVTTL      12
101 #define IP_RECVTOS      13
102 #define IP_MTU          14
103 #define IP_FREEBIND     15
104 #define IP_IPSEC_POLICY 16
105 #define IP_XFRM_POLICY  17
106 #define IP_PASSSEC      18
107 #define IP_TRANSPARENT  19
108 
109 /* BSD compatibility */
110 #define IP_RECVRETOPTS  IP_RETOPTS
111 
112 /* TProxy original addresses */
113 #define IP_ORIGDSTADDR       20
114 #define IP_RECVORIGDSTADDR   IP_ORIGDSTADDR
115 
116 #define IP_MINTTL       21
117 #define IP_NODEFRAG     22
118 #define IP_CHECKSUM     23
119 #define IP_BIND_ADDRESS_NO_PORT 24
120 
121 /* IP_MTU_DISCOVER values */
122 #define IP_PMTUDISC_DONT                0       /* Never send DF frames */
123 #define IP_PMTUDISC_WANT                1       /* Use per route hints  */
124 #define IP_PMTUDISC_DO                  2       /* Always DF            */
125 #define IP_PMTUDISC_PROBE               3       /* Ignore dst pmtu      */
126 /* Always use interface mtu (ignores dst pmtu) but don't set DF flag.
127  * Also incoming ICMP frag_needed notifications will be ignored on
128  * this socket to prevent accepting spoofed ones.
129  */
130 #define IP_PMTUDISC_INTERFACE           4
131 /* weaker version of IP_PMTUDISC_INTERFACE, which allos packets to get
132  * fragmented if they exeed the interface mtu
133  */
134 #define IP_PMTUDISC_OMIT                5
135 
136 #define IP_MULTICAST_IF                 32
137 #define IP_MULTICAST_TTL                33
138 #define IP_MULTICAST_LOOP               34
139 #define IP_ADD_MEMBERSHIP               35
140 #define IP_DROP_MEMBERSHIP              36
141 #define IP_UNBLOCK_SOURCE               37
142 #define IP_BLOCK_SOURCE                 38
143 #define IP_ADD_SOURCE_MEMBERSHIP        39
144 #define IP_DROP_SOURCE_MEMBERSHIP       40
145 #define IP_MSFILTER                     41
146 #define MCAST_JOIN_GROUP                42
147 #define MCAST_BLOCK_SOURCE              43
148 #define MCAST_UNBLOCK_SOURCE            44
149 #define MCAST_LEAVE_GROUP               45
150 #define MCAST_JOIN_SOURCE_GROUP         46
151 #define MCAST_LEAVE_SOURCE_GROUP        47
152 #define MCAST_MSFILTER                  48
153 #define IP_MULTICAST_ALL                49
154 #define IP_UNICAST_IF                   50
155 
156 #define MCAST_EXCLUDE   0
157 #define MCAST_INCLUDE   1
158 
159 /* These need to appear somewhere around here */
160 #define IP_DEFAULT_MULTICAST_TTL        1
161 #define IP_DEFAULT_MULTICAST_LOOP       1
162 
163 /* Request struct for multicast socket ops */
164 
165 #if __UAPI_DEF_IP_MREQ
166 struct ip_mreq  {
167         struct in_addr imr_multiaddr;   /* IP multicast address of group */
168         struct in_addr imr_interface;   /* local IP address of interface */
169 };
170 
171 struct ip_mreqn {
172         struct in_addr  imr_multiaddr;          /* IP multicast address of group */
173         struct in_addr  imr_address;            /* local IP address of interface */
174         int             imr_ifindex;            /* Interface index */
175 };
176 
177 struct ip_mreq_source {
178         __be32          imr_multiaddr;
179         __be32          imr_interface;
180         __be32          imr_sourceaddr;
181 };
182 
183 struct ip_msfilter {
184         __be32          imsf_multiaddr;
185         __be32          imsf_interface;
186         __u32           imsf_fmode;
187         __u32           imsf_numsrc;
188         __be32          imsf_slist[1];
189 };
190 
191 #define IP_MSFILTER_SIZE(numsrc) \
192         (sizeof(struct ip_msfilter) - sizeof(__u32) \
193         + (numsrc) * sizeof(__u32))
194 
195 struct group_req {
196         __u32                            gr_interface;  /* interface index */
197         struct __kernel_sockaddr_storage gr_group;      /* group address */
198 };
199 
200 struct group_source_req {
201         __u32                            gsr_interface; /* interface index */
202         struct __kernel_sockaddr_storage gsr_group;     /* group address */
203         struct __kernel_sockaddr_storage gsr_source;    /* source address */
204 };
205 
206 struct group_filter {
207         __u32                            gf_interface;  /* interface index */
208         struct __kernel_sockaddr_storage gf_group;      /* multicast address */
209         __u32                            gf_fmode;      /* filter mode */
210         __u32                            gf_numsrc;     /* number of sources */
211         struct __kernel_sockaddr_storage gf_slist[1];   /* interface index */
212 };
213 
214 #define GROUP_FILTER_SIZE(numsrc) \
215         (sizeof(struct group_filter) - sizeof(struct __kernel_sockaddr_storage) \
216         + (numsrc) * sizeof(struct __kernel_sockaddr_storage))
217 #endif
218 
219 #if __UAPI_DEF_IN_PKTINFO
220 struct in_pktinfo {
221         int             ipi_ifindex;
222         struct in_addr  ipi_spec_dst;
223         struct in_addr  ipi_addr;
224 };
225 #endif
226 
227 /* Structure describing an Internet (IP) socket address. */
228 #if  __UAPI_DEF_SOCKADDR_IN
229 #define __SOCK_SIZE__   16              /* sizeof(struct sockaddr)      */
230 struct sockaddr_in {
231   __kernel_sa_family_t  sin_family;     /* Address family               */
232   __be16                sin_port;       /* Port number                  */
233   struct in_addr        sin_addr;       /* Internet address             */
234 
235   /* Pad to size of `struct sockaddr'. */
236   unsigned char         __pad[__SOCK_SIZE__ - sizeof(short int) -
237                         sizeof(unsigned short int) - sizeof(struct in_addr)];
238 };
239 #define sin_zero        __pad           /* for BSD UNIX comp. -FvK      */
240 #endif
241 
242 #if __UAPI_DEF_IN_CLASS
243 /*
244  * Definitions of the bits in an Internet address integer.
245  * On subnets, host and network parts are found according
246  * to the subnet mask, not these masks.
247  */
248 #define IN_CLASSA(a)            ((((long int) (a)) & 0x80000000) == 0)
249 #define IN_CLASSA_NET           0xff000000
250 #define IN_CLASSA_NSHIFT        24
251 #define IN_CLASSA_HOST          (0xffffffff & ~IN_CLASSA_NET)
252 #define IN_CLASSA_MAX           128
253 
254 #define IN_CLASSB(a)            ((((long int) (a)) & 0xc0000000) == 0x80000000)
255 #define IN_CLASSB_NET           0xffff0000
256 #define IN_CLASSB_NSHIFT        16
257 #define IN_CLASSB_HOST          (0xffffffff & ~IN_CLASSB_NET)
258 #define IN_CLASSB_MAX           65536
259 
260 #define IN_CLASSC(a)            ((((long int) (a)) & 0xe0000000) == 0xc0000000)
261 #define IN_CLASSC_NET           0xffffff00
262 #define IN_CLASSC_NSHIFT        8
263 #define IN_CLASSC_HOST          (0xffffffff & ~IN_CLASSC_NET)
264 
265 #define IN_CLASSD(a)            ((((long int) (a)) & 0xf0000000) == 0xe0000000)
266 #define IN_MULTICAST(a)         IN_CLASSD(a)
267 #define IN_MULTICAST_NET        0xF0000000
268 
269 #define IN_EXPERIMENTAL(a)      ((((long int) (a)) & 0xf0000000) == 0xf0000000)
270 #define IN_BADCLASS(a)          IN_EXPERIMENTAL((a))
271 
272 /* Address to accept any incoming messages. */
273 #define INADDR_ANY              ((unsigned long int) 0x00000000)
274 
275 /* Address to send to all hosts. */
276 #define INADDR_BROADCAST        ((unsigned long int) 0xffffffff)
277 
278 /* Address indicating an error return. */
279 #define INADDR_NONE             ((unsigned long int) 0xffffffff)
280 
281 /* Network number for local host loopback. */
282 #define IN_LOOPBACKNET          127
283 
284 /* Address to loopback in software to local host.  */
285 #define INADDR_LOOPBACK         0x7f000001      /* 127.0.0.1   */
286 #define IN_LOOPBACK(a)          ((((long int) (a)) & 0xff000000) == 0x7f000000)
287 
288 /* Defines for Multicast INADDR */
289 #define INADDR_UNSPEC_GROUP     0xe0000000U     /* 224.0.0.0   */
290 #define INADDR_ALLHOSTS_GROUP   0xe0000001U     /* 224.0.0.1   */
291 #define INADDR_ALLRTRS_GROUP    0xe0000002U     /* 224.0.0.2 */
292 #define INADDR_MAX_LOCAL_GROUP  0xe00000ffU     /* 224.0.0.255 */
293 #endif
294 
295 /* <asm/byteorder.h> contains the htonl type stuff.. */
296 #include <asm/byteorder.h> 
297 
298 
299 #endif /* _UAPI_LINUX_IN_H */
300 

~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

kernel.org | git.kernel.org | LWN.net | Project Home | Wiki (Japanese) | Wiki (English) | SVN repository | Mail admin

Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.

osdn.jp