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

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

Version: ~ [ linux-5.18-rc6 ] ~ [ linux-5.17.6 ] ~ [ linux-5.16.20 ] ~ [ linux-5.15.38 ] ~ [ linux-5.14.21 ] ~ [ linux-5.13.19 ] ~ [ linux-5.12.19 ] ~ [ linux-5.11.22 ] ~ [ linux-5.10.114 ] ~ [ linux-5.9.16 ] ~ [ linux-5.8.18 ] ~ [ linux-5.7.19 ] ~ [ linux-5.6.19 ] ~ [ linux-5.5.19 ] ~ [ linux-5.4.192 ] ~ [ linux-5.3.18 ] ~ [ linux-5.2.21 ] ~ [ linux-5.1.21 ] ~ [ linux-5.0.21 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.241 ] ~ [ linux-4.18.20 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.277 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.312 ] ~ [ 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 #define IP_RECVFRAGSIZE 25
121 
122 /* IP_MTU_DISCOVER values */
123 #define IP_PMTUDISC_DONT                0       /* Never send DF frames */
124 #define IP_PMTUDISC_WANT                1       /* Use per route hints  */
125 #define IP_PMTUDISC_DO                  2       /* Always DF            */
126 #define IP_PMTUDISC_PROBE               3       /* Ignore dst pmtu      */
127 /* Always use interface mtu (ignores dst pmtu) but don't set DF flag.
128  * Also incoming ICMP frag_needed notifications will be ignored on
129  * this socket to prevent accepting spoofed ones.
130  */
131 #define IP_PMTUDISC_INTERFACE           4
132 /* weaker version of IP_PMTUDISC_INTERFACE, which allos packets to get
133  * fragmented if they exeed the interface mtu
134  */
135 #define IP_PMTUDISC_OMIT                5
136 
137 #define IP_MULTICAST_IF                 32
138 #define IP_MULTICAST_TTL                33
139 #define IP_MULTICAST_LOOP               34
140 #define IP_ADD_MEMBERSHIP               35
141 #define IP_DROP_MEMBERSHIP              36
142 #define IP_UNBLOCK_SOURCE               37
143 #define IP_BLOCK_SOURCE                 38
144 #define IP_ADD_SOURCE_MEMBERSHIP        39
145 #define IP_DROP_SOURCE_MEMBERSHIP       40
146 #define IP_MSFILTER                     41
147 #define MCAST_JOIN_GROUP                42
148 #define MCAST_BLOCK_SOURCE              43
149 #define MCAST_UNBLOCK_SOURCE            44
150 #define MCAST_LEAVE_GROUP               45
151 #define MCAST_JOIN_SOURCE_GROUP         46
152 #define MCAST_LEAVE_SOURCE_GROUP        47
153 #define MCAST_MSFILTER                  48
154 #define IP_MULTICAST_ALL                49
155 #define IP_UNICAST_IF                   50
156 
157 #define MCAST_EXCLUDE   0
158 #define MCAST_INCLUDE   1
159 
160 /* These need to appear somewhere around here */
161 #define IP_DEFAULT_MULTICAST_TTL        1
162 #define IP_DEFAULT_MULTICAST_LOOP       1
163 
164 /* Request struct for multicast socket ops */
165 
166 #if __UAPI_DEF_IP_MREQ
167 struct ip_mreq  {
168         struct in_addr imr_multiaddr;   /* IP multicast address of group */
169         struct in_addr imr_interface;   /* local IP address of interface */
170 };
171 
172 struct ip_mreqn {
173         struct in_addr  imr_multiaddr;          /* IP multicast address of group */
174         struct in_addr  imr_address;            /* local IP address of interface */
175         int             imr_ifindex;            /* Interface index */
176 };
177 
178 struct ip_mreq_source {
179         __be32          imr_multiaddr;
180         __be32          imr_interface;
181         __be32          imr_sourceaddr;
182 };
183 
184 struct ip_msfilter {
185         __be32          imsf_multiaddr;
186         __be32          imsf_interface;
187         __u32           imsf_fmode;
188         __u32           imsf_numsrc;
189         __be32          imsf_slist[1];
190 };
191 
192 #define IP_MSFILTER_SIZE(numsrc) \
193         (sizeof(struct ip_msfilter) - sizeof(__u32) \
194         + (numsrc) * sizeof(__u32))
195 
196 struct group_req {
197         __u32                            gr_interface;  /* interface index */
198         struct __kernel_sockaddr_storage gr_group;      /* group address */
199 };
200 
201 struct group_source_req {
202         __u32                            gsr_interface; /* interface index */
203         struct __kernel_sockaddr_storage gsr_group;     /* group address */
204         struct __kernel_sockaddr_storage gsr_source;    /* source address */
205 };
206 
207 struct group_filter {
208         __u32                            gf_interface;  /* interface index */
209         struct __kernel_sockaddr_storage gf_group;      /* multicast address */
210         __u32                            gf_fmode;      /* filter mode */
211         __u32                            gf_numsrc;     /* number of sources */
212         struct __kernel_sockaddr_storage gf_slist[1];   /* interface index */
213 };
214 
215 #define GROUP_FILTER_SIZE(numsrc) \
216         (sizeof(struct group_filter) - sizeof(struct __kernel_sockaddr_storage) \
217         + (numsrc) * sizeof(struct __kernel_sockaddr_storage))
218 #endif
219 
220 #if __UAPI_DEF_IN_PKTINFO
221 struct in_pktinfo {
222         int             ipi_ifindex;
223         struct in_addr  ipi_spec_dst;
224         struct in_addr  ipi_addr;
225 };
226 #endif
227 
228 /* Structure describing an Internet (IP) socket address. */
229 #if  __UAPI_DEF_SOCKADDR_IN
230 #define __SOCK_SIZE__   16              /* sizeof(struct sockaddr)      */
231 struct sockaddr_in {
232   __kernel_sa_family_t  sin_family;     /* Address family               */
233   __be16                sin_port;       /* Port number                  */
234   struct in_addr        sin_addr;       /* Internet address             */
235 
236   /* Pad to size of `struct sockaddr'. */
237   unsigned char         __pad[__SOCK_SIZE__ - sizeof(short int) -
238                         sizeof(unsigned short int) - sizeof(struct in_addr)];
239 };
240 #define sin_zero        __pad           /* for BSD UNIX comp. -FvK      */
241 #endif
242 
243 #if __UAPI_DEF_IN_CLASS
244 /*
245  * Definitions of the bits in an Internet address integer.
246  * On subnets, host and network parts are found according
247  * to the subnet mask, not these masks.
248  */
249 #define IN_CLASSA(a)            ((((long int) (a)) & 0x80000000) == 0)
250 #define IN_CLASSA_NET           0xff000000
251 #define IN_CLASSA_NSHIFT        24
252 #define IN_CLASSA_HOST          (0xffffffff & ~IN_CLASSA_NET)
253 #define IN_CLASSA_MAX           128
254 
255 #define IN_CLASSB(a)            ((((long int) (a)) & 0xc0000000) == 0x80000000)
256 #define IN_CLASSB_NET           0xffff0000
257 #define IN_CLASSB_NSHIFT        16
258 #define IN_CLASSB_HOST          (0xffffffff & ~IN_CLASSB_NET)
259 #define IN_CLASSB_MAX           65536
260 
261 #define IN_CLASSC(a)            ((((long int) (a)) & 0xe0000000) == 0xc0000000)
262 #define IN_CLASSC_NET           0xffffff00
263 #define IN_CLASSC_NSHIFT        8
264 #define IN_CLASSC_HOST          (0xffffffff & ~IN_CLASSC_NET)
265 
266 #define IN_CLASSD(a)            ((((long int) (a)) & 0xf0000000) == 0xe0000000)
267 #define IN_MULTICAST(a)         IN_CLASSD(a)
268 #define IN_MULTICAST_NET        0xF0000000
269 
270 #define IN_EXPERIMENTAL(a)      ((((long int) (a)) & 0xf0000000) == 0xf0000000)
271 #define IN_BADCLASS(a)          IN_EXPERIMENTAL((a))
272 
273 /* Address to accept any incoming messages. */
274 #define INADDR_ANY              ((unsigned long int) 0x00000000)
275 
276 /* Address to send to all hosts. */
277 #define INADDR_BROADCAST        ((unsigned long int) 0xffffffff)
278 
279 /* Address indicating an error return. */
280 #define INADDR_NONE             ((unsigned long int) 0xffffffff)
281 
282 /* Network number for local host loopback. */
283 #define IN_LOOPBACKNET          127
284 
285 /* Address to loopback in software to local host.  */
286 #define INADDR_LOOPBACK         0x7f000001      /* 127.0.0.1   */
287 #define IN_LOOPBACK(a)          ((((long int) (a)) & 0xff000000) == 0x7f000000)
288 
289 /* Defines for Multicast INADDR */
290 #define INADDR_UNSPEC_GROUP     0xe0000000U     /* 224.0.0.0   */
291 #define INADDR_ALLHOSTS_GROUP   0xe0000001U     /* 224.0.0.1   */
292 #define INADDR_ALLRTRS_GROUP    0xe0000002U     /* 224.0.0.2 */
293 #define INADDR_MAX_LOCAL_GROUP  0xe00000ffU     /* 224.0.0.255 */
294 #endif
295 
296 /* <asm/byteorder.h> contains the htonl type stuff.. */
297 #include <asm/byteorder.h> 
298 
299 
300 #endif /* _UAPI_LINUX_IN_H */
301 

~ [ 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