1 files changed, 253 insertions, 0 deletions

diff --git a/include/linux/in.h b/include/linux/in.h
new file mode 100644
index 000000000000..fb88c66d748d
--- /dev/null
+++ b/include/linux/in.h
@@ -0,0 +1,253 @@
+/*
+ * INET         An implementation of the TCP/IP protocol suite for the LINUX
+ *              operating system.  INET is implemented using the  BSD Socket
+ *              interface as the means of communication with the user level.
+ *
+ *              Definitions of the Internet Protocol.
+ *
+ * Version:     @(#)in.h        1.0.1   04/21/93
+ *
+ * Authors:     Original taken from the GNU Project <netinet/in.h> file.
+ *              Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG>
+ *
+ *              This program is free software; you can redistribute it and/or
+ *              modify it under the terms of the GNU General Public License
+ *              as published by the Free Software Foundation; either version
+ *              2 of the License, or (at your option) any later version.
+ */
+#ifndef _LINUX_IN_H
+#define _LINUX_IN_H
+
+#include <linux/types.h>
+#include <linux/socket.h>
+
+/* Standard well-defined IP protocols.  */
+enum {
+  IPPROTO_IP = 0,               /* Dummy protocol for TCP               */
+  IPPROTO_ICMP = 1,             /* Internet Control Message Protocol    */
+  IPPROTO_IGMP = 2,             /* Internet Group Management Protocol   */
+  IPPROTO_IPIP = 4,             /* IPIP tunnels (older KA9Q tunnels use 94) */
+  IPPROTO_TCP = 6,              /* Transmission Control Protocol        */
+  IPPROTO_EGP = 8,              /* Exterior Gateway Protocol            */
+  IPPROTO_PUP = 12,             /* PUP protocol                         */
+  IPPROTO_UDP = 17,             /* User Datagram Protocol               */
+  IPPROTO_IDP = 22,             /* XNS IDP protocol                     */
+  IPPROTO_RSVP = 46,            /* RSVP protocol                        */
+  IPPROTO_GRE = 47,             /* Cisco GRE tunnels (rfc 1701,1702)    */
+
+  IPPROTO_IPV6   = 41,          /* IPv6-in-IPv4 tunnelling              */
+
+  IPPROTO_ESP = 50,            /* Encapsulation Security Payload protocol */
+  IPPROTO_AH = 51,             /* Authentication Header protocol       */
+  IPPROTO_PIM    = 103,         /* Protocol Independent Multicast       */
+
+  IPPROTO_COMP   = 108,                /* Compression Header protocol */
+  IPPROTO_SCTP   = 132,         /* Stream Control Transport Protocol    */
+
+  IPPROTO_RAW    = 255,         /* Raw IP packets                       */
+  IPPROTO_MAX
+};
+
+
+/* Internet address. */
+struct in_addr {
+        __u32   s_addr;
+};
+
+#define IP_TOS          1
+#define IP_TTL          2
+#define IP_HDRINCL      3
+#define IP_OPTIONS      4
+#define IP_ROUTER_ALERT 5
+#define IP_RECVOPTS     6
+#define IP_RETOPTS      7
+#define IP_PKTINFO      8
+#define IP_PKTOPTIONS   9
+#define IP_MTU_DISCOVER 10
+#define IP_RECVERR      11
+#define IP_RECVTTL      12
+#define IP_RECVTOS      13
+#define IP_MTU          14
+#define IP_FREEBIND     15
+#define IP_IPSEC_POLICY 16
+#define IP_XFRM_POLICY  17
+
+/* BSD compatibility */
+#define IP_RECVRETOPTS  IP_RETOPTS
+
+/* IP_MTU_DISCOVER values */
+#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_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 MCAST_JOIN_GROUP                42
+#define MCAST_BLOCK_SOURCE              43
+#define MCAST_UNBLOCK_SOURCE            44
+#define MCAST_LEAVE_GROUP               45
+#define MCAST_JOIN_SOURCE_GROUP         46
+#define MCAST_LEAVE_SOURCE_GROUP        47
+#define MCAST_MSFILTER                  48
+
+#define MCAST_EXCLUDE   0
+#define MCAST_INCLUDE   1
+
+/* These need to appear somewhere around here */
+#define IP_DEFAULT_MULTICAST_TTL        1
+#define IP_DEFAULT_MULTICAST_LOOP       1
+
+/* Request struct for multicast socket ops */
+
+struct ip_mreq 
+{
+        struct in_addr imr_multiaddr;   /* IP multicast address of group */
+        struct in_addr imr_interface;   /* local IP address of interface */
+};
+
+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 */
+};
+
+struct ip_mreq_source {
+        __u32           imr_multiaddr;
+        __u32           imr_interface;
+        __u32           imr_sourceaddr;
+};
+
+struct ip_msfilter {
+        __u32           imsf_multiaddr;
+        __u32           imsf_interface;
+        __u32           imsf_fmode;
+        __u32           imsf_numsrc;
+        __u32           imsf_slist[1];
+};
+
+#define IP_MSFILTER_SIZE(numsrc) \
+        (sizeof(struct ip_msfilter) - sizeof(__u32) \
+        + (numsrc) * sizeof(__u32))
+
+struct group_req
+{
+        __u32                            gr_interface;  /* interface index */
+        struct __kernel_sockaddr_storage gr_group;      /* group address */
+};
+
+struct group_source_req
+{
+        __u32                            gsr_interface; /* interface index */
+        struct __kernel_sockaddr_storage gsr_group;     /* group address */
+        struct __kernel_sockaddr_storage gsr_source;    /* source address */
+};
+
+struct group_filter
+{
+        __u32                            gf_interface;  /* interface index */
+        struct __kernel_sockaddr_storage gf_group;      /* multicast address */
+        __u32                            gf_fmode;      /* filter mode */
+        __u32                            gf_numsrc;     /* number of sources */
+        struct __kernel_sockaddr_storage gf_slist[1];   /* interface index */
+};
+
+#define GROUP_FILTER_SIZE(numsrc) \
+        (sizeof(struct group_filter) - sizeof(struct __kernel_sockaddr_storage) \
+        + (numsrc) * sizeof(struct __kernel_sockaddr_storage))
+
+struct in_pktinfo
+{
+        int             ipi_ifindex;
+        struct in_addr  ipi_spec_dst;
+        struct in_addr  ipi_addr;
+};
+
+/* Structure describing an Internet (IP) socket address. */
+#define __SOCK_SIZE__   16              /* sizeof(struct sockaddr)      */
+struct sockaddr_in {
+  sa_family_t           sin_family;     /* Address family               */
+  unsigned short int    sin_port;       /* Port number                  */
+  struct in_addr        sin_addr;       /* Internet address             */
+
+  /* Pad to size of `struct sockaddr'. */
+  unsigned char         __pad[__SOCK_SIZE__ - sizeof(short int) -
+                        sizeof(unsigned short int) - sizeof(struct in_addr)];
+};
+#define sin_zero        __pad           /* for BSD UNIX comp. -FvK      */
+
+
+/*
+ * Definitions of the bits in an Internet address integer.
+ * On subnets, host and network parts are found according
+ * to the subnet mask, not these masks.
+ */
+#define IN_CLASSA(a)            ((((long int) (a)) & 0x80000000) == 0)
+#define IN_CLASSA_NET           0xff000000
+#define IN_CLASSA_NSHIFT        24
+#define IN_CLASSA_HOST          (0xffffffff & ~IN_CLASSA_NET)
+#define IN_CLASSA_MAX           128
+
+#define IN_CLASSB(a)            ((((long int) (a)) & 0xc0000000) == 0x80000000)
+#define IN_CLASSB_NET           0xffff0000
+#define IN_CLASSB_NSHIFT        16
+#define IN_CLASSB_HOST          (0xffffffff & ~IN_CLASSB_NET)
+#define IN_CLASSB_MAX           65536
+
+#define IN_CLASSC(a)            ((((long int) (a)) & 0xe0000000) == 0xc0000000)
+#define IN_CLASSC_NET           0xffffff00
+#define IN_CLASSC_NSHIFT        8
+#define IN_CLASSC_HOST          (0xffffffff & ~IN_CLASSC_NET)
+
+#define IN_CLASSD(a)            ((((long int) (a)) & 0xf0000000) == 0xe0000000)
+#define IN_MULTICAST(a)         IN_CLASSD(a)
+#define IN_MULTICAST_NET        0xF0000000
+
+#define IN_EXPERIMENTAL(a)      ((((long int) (a)) & 0xf0000000) == 0xf0000000)
+#define IN_BADCLASS(a)          IN_EXPERIMENTAL((a))
+
+/* Address to accept any incoming messages. */
+#define INADDR_ANY              ((unsigned long int) 0x00000000)
+
+/* Address to send to all hosts. */
+#define INADDR_BROADCAST        ((unsigned long int) 0xffffffff)
+
+/* Address indicating an error return. */
+#define INADDR_NONE             ((unsigned long int) 0xffffffff)
+
+/* Network number for local host loopback. */
+#define IN_LOOPBACKNET          127
+
+/* Address to loopback in software to local host.  */
+#define INADDR_LOOPBACK         0x7f000001      /* 127.0.0.1   */
+#define IN_LOOPBACK(a)          ((((long int) (a)) & 0xff000000) == 0x7f000000)
+
+/* Defines for Multicast INADDR */
+#define INADDR_UNSPEC_GROUP     0xe0000000U     /* 224.0.0.0   */
+#define INADDR_ALLHOSTS_GROUP   0xe0000001U     /* 224.0.0.1   */
+#define INADDR_ALLRTRS_GROUP    0xe0000002U     /* 224.0.0.2 */
+#define INADDR_MAX_LOCAL_GROUP  0xe00000ffU     /* 224.0.0.255 */
+
+
+/* <asm/byteorder.h> contains the htonl type stuff.. */
+#include <asm/byteorder.h> 
+
+#ifdef __KERNEL__
+/* Some random defines to make it easier in the kernel.. */
+#define LOOPBACK(x)     (((x) & htonl(0xff000000)) == htonl(0x7f000000))
+#define MULTICAST(x)    (((x) & htonl(0xf0000000)) == htonl(0xe0000000))
+#define BADCLASS(x)     (((x) & htonl(0xf0000000)) == htonl(0xf0000000))
+#define ZERONET(x)      (((x) & htonl(0xff000000)) == htonl(0x00000000))
+#define LOCAL_MCAST(x)  (((x) & htonl(0xFFFFFF00)) == htonl(0xE0000000))
+
+#endif
+
+#endif  /* _LINUX_IN_H */