Changeset 183 for trunk/src/emx/include/net/route.h

Timestamp:

May 19, 2003, 4:41:00 AM (22 years ago)

Author:

bird

Message:

#434: Initial tcpip header merges.

File:

• trunk/src/emx/include/net/route.h (modified) (8 diffs, 1 prop)

trunk/src/emx/include/net/route.h

@@ -1 +1 @@
 /* Modified for emx by hv and em 1994,1996
- * 
+ * Modified for gcc/os2 by bird 2003
+ *
  * Copyright (c) 1980, 1986 Regents of the University of California.
  * All rights reserved.
@@ -47 +48 @@
 /*
  * Kernel resident routing tables.
- * 
+ *
  * The routing tables are initialized when interface addresses
  * are set by making entries for all directly connected interfaces.
@@ -62 +63 @@
 };
 
+
+#ifndef TCPV40HDRS
+/*
+ * These numbers are used by reliable protocols for determining
+ * retransmission behavior and are included in the routing structure.
+ */
+struct rt_metrics {
+        u_long  rmx_locks;      /* Kernel must leave these values alone */
+        u_long  rmx_mtu;        /* MTU for this path */
+        u_long  rmx_hopcount;   /* max hops expected */
+        u_long  rmx_expire;     /* lifetime for route, e.g. redirect */
+        u_long  rmx_recvpipe;   /* inbound delay-bandwith product */
+        u_long  rmx_sendpipe;   /* outbound delay-bandwith product */
+        u_long  rmx_ssthresh;   /* outbound gateway buffer limit */
+        u_long  rmx_rtt;        /* estimated round trip time */
+        u_long  rmx_rttvar;     /* estimated rtt variance */
+        u_long  rmx_pksent;     /* packets sent using this route */
+        u_long  rmx_filler[4];  /* will be used for T/TCP later */
+};
+
 /*
  * rmx_rtt and rmx_rttvar are stored as microseconds;
@@ -69 +90 @@
 #define RTM_RTTUNIT     1000000 /* units for rtt, rttvar, as units per sec */
 #define RTTTOPRHZ(r)    ((r) / (RTM_RTTUNIT / PR_SLOWHZ))
+#endif /* !TCPV40HDRS */
+
 
 /*
@@ -80 +103 @@
  * Following structure necessary for 4.3 compatibility;
  */
-struct rtentry {
+#pragma pack(1)
+#ifdef TCPV40HDRS
+struct rtentry
+#else
+struct ortentry
+#endif
+{
         u_long  rt_hash;                /* to speed lookups */
         struct  sockaddr rt_dst;        /* key */
@@ -90 +119 @@
         long metric1,metric2,metric3,metric4; /*IBM special */
 };
-
-#define RTF_UP          0x1             /* route useable */
+#pragma pack()
+
+/* IBM: hv: I think this is the internal structure of the RT table of the
+ * router daemon. Don't think it belongs here, but the toolkit has it as well
+ */
+#define RTENTRY_COUNT   512
+#pragma pack(1)
+struct rtentries {
+        short   hostcount;
+        short   netcount;
+        #ifdef TCPV40HDRS
+        struct rtentry  rttable[RTENTRY_COUNT];
+        #else
+        struct ortentry rttable[RTENTRY_COUNT];
+        #endif
+};
+#pragma pack()
+
+
+#define RTF_UP          0x1             /* route usable */
 #define RTF_GATEWAY     0x2             /* destination is a gateway */
 #define RTF_HOST        0x4             /* host entry (net otherwise) */
@@ -104 +151 @@
 #define RTF_STATIC      0x800           /* route manually added */
 #define RTF_BLACKHOLE   0x1000          /* discard packets during updates */
+#ifndef TCPV40HDRS
+#define RTF_LLTEMP      0x2000          /* manually added temporary arp entry */
+#endif
 #define RTF_PROTO2      0x4000          /* protocol specific routing flag */
 #define RTF_PROTO1      0x8000          /* protocol specific routing flag */
+#ifndef TCPV40HDRS
+#define RTF_PRCLONING   0x10000         /* protocol requires cloning */
+#define RTF_WASCLONED   0x20000         /* route generated through cloning */
+#define RTF_PROTO3      0x40000         /* protocol specific routing flag */
+#define RTF_CHAINDELETE 0x80000         /* chain is being deleted (internal) */
+#define RTF_PINNED      0x100000        /* future use */
+#define RTF_TUNNEL      0x200000        /* tunnelling bit */
+#define RTF_CRYPT       0x400000        /* encrypting tunnel */
+#define RTF_AUTH        0x800000        /* authenticating tunnel */
+#endif
 
 
@@ -118 +178 @@
         short   rts_wildcard;           /* lookups satisfied by a wildcard */
 };
+#ifndef TCPV40HDRS
 /*
  * Structures for routing messages.
  */
-#ifndef __EMX__
+#pragma pack(1)
 struct rt_msghdr {
-        u_short rtm_msglen;     /* to skip over non-understood messages */
-        u_char  rtm_version;    /* future binary compatability */
-        u_char  rtm_type;       /* message type */
-        u_short rtm_index;      /* index for associated ifp */
-        pid_t   rtm_pid;        /* identify sender */
-        int     rtm_addrs;      /* bitmask identifying sockaddrs in msg */
-        int     rtm_seq;        /* for sender to identify action */
-        int     rtm_errno;      /* why failed */
-        int     rtm_flags;      /* flags, incl. kern & message, e.g. DONE */
-        int     rtm_use;        /* from rtentry */
-        u_long  rtm_inits;      /* which metrics we are initializing */
-        struct  rt_metrics rtm_rmx; /* metrics themselves */
+#define IFNAMSIZ        16
+        u_short rtm_msglen;     /* to skip over non-understood messages */
+        u_char  rtm_version;    /* future binary compatibility */
+        u_char  rtm_type;       /* message type */
+        u_short rtm_index;      /* index for associated ifp */
+        short   rtm_unit;       /* new field for subnet routing */
+        int     rtm_flags;      /* flags, incl. kern & message, e.g. DONE */
+        int     rtm_addrs;      /* bitmask identifying sockaddrs in msg */
+        pid_t   rtm_pid;        /* identify sender */
+        int     rtm_seq;        /* for sender to identify action */
+        int     rtm_errno;      /* why failed */
+        int     rtm_use;        /* from rtentry */
+        u_long  rtm_inits;      /* which metrics we are initializing */
+        u_long  rtm_netmask;    /* new field for subnet routing */
+        char    rtm_name[IFNAMSIZ]; /* new field for subnet routing */
+        struct  rt_metrics rtm_rmx; /* metrics themselves */
+};
+#pragma pack()
+
+#define RTM_VERSION     4       /* Up the ante and ignore older versions */
+
+#define RTM_ADD         0x1     /* Add Route */
+#define RTM_DELETE      0x2     /* Delete Route */
+#define RTM_CHANGE      0x3     /* Change Metrics or flags */
+#define RTM_GET         0x4     /* Report Metrics */
+#define RTM_LOSING      0x5     /* Kernel Suspects Partitioning */
+#define RTM_REDIRECT    0x6     /* Told to use different route */
+#define RTM_MISS        0x7     /* Lookup failed on this address */
+#define RTM_LOCK        0x8     /* fix specified metrics */
+#define RTM_OLDADD      0x9     /* caused by SIOCADDRT */
+#define RTM_OLDDEL      0xa     /* caused by SIOCDELRT */
+#define RTM_RESOLVE     0xb     /* req to resolve dst to LL addr */
+#define RTM_NEWADDR     0xc     /* address being added to iface */
+#define RTM_DELADDR     0xd     /* address being removed from iface */
+#define RTM_IFINFO      0xe     /* iface going up/down etc. */
+
+#define RTV_MTU         0x1     /* init or lock _mtu */
+#define RTV_HOPCOUNT    0x2     /* init or lock _hopcount */
+#define RTV_EXPIRE      0x4     /* init or lock _hopcount */
+#define RTV_RPIPE       0x8     /* init or lock _recvpipe */
+#define RTV_SPIPE       0x10    /* init or lock _sendpipe */
+#define RTV_SSTHRESH    0x20    /* init or lock _ssthresh */
+#define RTV_RTT         0x40    /* init or lock _rtt */
+#define RTV_RTTVAR      0x80    /* init or lock _rttvar */
+
+/*
+ * Bitmask values for rtm_addr.
+ */
+#define RTA_DST         0x1     /* destination sockaddr present */
+#define RTA_GATEWAY     0x2     /* gateway sockaddr present */
+#define RTA_NETMASK     0x4     /* netmask sockaddr present */
+#define RTA_GENMASK     0x8     /* cloning mask sockaddr present */
+#define RTA_IFP         0x10    /* interface name sockaddr present */
+#define RTA_IFA         0x20    /* interface addr sockaddr present */
+#define RTA_AUTHOR      0x40    /* sockaddr for author of redirect */
+#define RTA_BRD         0x80    /* for NEWADDR, broadcast or p-p dest addr */
+
+/*
+ * Index offsets for sockaddr array for alternate internal encoding.
+ */
+#define RTAX_DST        0       /* destination sockaddr present */
+#define RTAX_GATEWAY    1       /* gateway sockaddr present */
+#define RTAX_NETMASK    2       /* netmask sockaddr present */
+#define RTAX_GENMASK    3       /* cloning mask sockaddr present */
+#define RTAX_IFP        4       /* interface name sockaddr present */
+#define RTAX_IFA        5       /* interface addr sockaddr present */
+#define RTAX_AUTHOR     6       /* sockaddr for author of redirect */
+#define RTAX_BRD        7       /* for NEWADDR, broadcast or p-p dest addr */
+#define RTAX_MAX        8       /* size of array to allocate */
+
+struct rt_addrinfo {
+        int     rti_addrs;
+        struct  sockaddr *rti_info[RTAX_MAX];
 };
 
 struct route_cb {
-        int     ip_count;
-        int     ns_count;
-        int     iso_count;
-        int     any_count;
-};
-#define RTM_VERSION     2       /* Up the ante and ignore older versions */
-
-#define RTM_ADD         0x1     /* Add Route */
-#define RTM_DELETE      0x2     /* Delete Route */
-#define RTM_CHANGE      0x3     /* Change Metrics or flags */
-#define RTM_GET         0x4     /* Report Metrics */
-#define RTM_LOSING      0x5     /* Kernel Suspects Partitioning */
-#define RTM_REDIRECT    0x6     /* Told to use different route */
-#define RTM_MISS        0x7     /* Lookup failed on this address */
-#define RTM_LOCK        0x8     /* fix specified metrics */
-#define RTM_OLDADD      0x9     /* caused by SIOCADDRT */
-#define RTM_OLDDEL      0xa     /* caused by SIOCDELRT */
-#define RTM_RESOLVE     0xb     /* req to resolve dst to LL addr */
-
-#define RTV_MTU         0x1     /* init or lock _mtu */
-#define RTV_HOPCOUNT    0x2     /* init or lock _hopcount */
-#define RTV_EXPIRE      0x4     /* init or lock _hopcount */
-#define RTV_RPIPE       0x8     /* init or lock _recvpipe */
-#define RTV_SPIPE       0x10    /* init or lock _sendpipe */
-#define RTV_SSTHRESH    0x20    /* init or lock _ssthresh */
-#define RTV_RTT         0x40    /* init or lock _rtt */
-#define RTV_RTTVAR      0x80    /* init or lock _rttvar */
-
-#define RTA_DST         0x1     /* destination sockaddr present */
-#define RTA_GATEWAY     0x2     /* gateway sockaddr present */
-#define RTA_NETMASK     0x4     /* netmask sockaddr present */
-#define RTA_GENMASK     0x8     /* cloning mask sockaddr present */
-#define RTA_IFP         0x10    /* interface name sockaddr present */
-#define RTA_IFA         0x20    /* interface addr sockaddr present */
-#define RTA_AUTHOR      0x40    /* sockaddr for author of redirect */
-#endif
-
-/* IBM: hv: I think this is the internal structure of the RT table of the
- * router daemon. Don't think it belongs here, but the toolkit has it as well
- */
-#define RTENTRY_COUNT   512
-struct rtentries {
-        short   hostcount;
-        short   netcount;
-        struct rtentry rttable[RTENTRY_COUNT];
-};
+        int     ip_count;
+        int     ns_count;
+        int     iso_count;
+        int     any_count;
+};
+#endif /* !TCPV40HDRS */
 
 #if defined (__cplusplus)