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

Timestamp:

May 19, 2003, 4:41:00 AM (23 years ago)

Author:

bird

Message:

#434: Initial tcpip header merges.

File:

• trunk/src/emx/include/net/if.h (modified) (19 diffs, 1 prop)

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

@@ -1 +1 @@
 /* Modifed for emx by hv 1994,1996
+
  *
  * Copyright (c) 1982, 1986, 1989 Regents of the University of California.
@@ -43 +44 @@
 #endif
 
+
+
+
+
+
 /*
  * Structures defining a network interface, providing a packet
@@ -67 +73 @@
  * interfaces.  These routines live in the files if.c and route.c
  */
-/*  XXX fast fix for SNMP, going away soon */
-#include <sys/time.h>
-
-#ifdef TCPIPV4
-#pragma pack(1)
-#else
-#pragma pack(4)
-#endif
-
 
 /*
@@ -82 +79 @@
  * (Would like to call this struct ``if'', but C isn't PL/1.)
  */
-/*forward*/ struct mbuf;
-/*forward*/ struct ifaddr;
+#pragma pack(1)
+struct mbuf;
+struct ifaddr;
 struct ifnet {
         char    *if_name;               /* name, e.g. ``en'' or ``lo'' */
@@ -95 +93 @@
                 struct  mbuf *ifq_head;
                 struct  mbuf *ifq_tail;
-#ifndef TCPIPV4
-                int     ifq_len;
-                int     ifq_maxlen;
-                int     ifq_drops;
-#else
                 short   ifq_len;
                 short   ifq_maxlen;
                 u_short ifq_drops;
-#endif
         } if_snd;                       /* output queue */
 /* procedure handles */
@@ -112 +104 @@
         int     (*if_watchdog)(void);   /* timer routine */
 /* generic interface statistics */
-#ifndef TCPIPV4
-        int     if_ipackets;            /* packets received on interface */
-        int     if_ierrors;             /* input errors on interface */
-        int     if_opackets;            /* packets sent on interface */
-        int     if_oerrors;             /* output errors on interface */
-        int     if_collisions;          /* collisions on csma interfaces */
-#else
         u_short if_ipackets;            /* packets received on interface */
         u_short if_ierrors;             /* input errors on interface */
@@ -124 +109 @@
         u_short if_oerrors;             /* output errors on interface */
         u_short if_collisions;          /* collisions on csma interfaces */
-#endif
 /* end statistics */
         struct  ifnet *if_next;
 
+
 /* the following structures are special for OS/2 TCP/IP only */
         u_char  if_adapternum;          /* adapter number */
@@ -134 +119 @@
         u_long  if_speed;
 
-#define IF_RTTSCALE     1000
-        u_short if_rtt;                 /* Est interface rtt in ms */
-        u_short if_rttvar;              /* Est interface rttvar in ms */
-        u_short if_rttmin;              /* Fixed interface rttmin in ms */
-        u_short if_sendpipe;            /* Send socket buffer/window size */
-        u_short if_recvpipe;            /* Recv socket buffer/window size */
-        u_short if_ssthresh;            /* Gateway buffer limit (slow strt) */
-#ifdef TCPIPV4
-        u_long  if_eflags;              /* Extended flags */
-        struct ifqueue if_traceq;       /* packet trace queue */
-        u_short if_segsize;             /* segment size for interface */
-        u_short if_use576;              /* use 576 or 1460 as def. mss if */
-                                        /* going through a router */
-        u_short if_rfc1469;             /* using broadcast or functional */
-                                        /* addr for IP Multicast */
-#define IFF_RFC1469_BC  1               /* use broadcast */
-#define IFF_RFC1469_FA  2               /* use functional address */
-#define IFF_RFC1469_MA  3               /* use multicast address */
-#endif
-};
-
-#ifndef TCPIPV4
-struct ifmib {
-        int     ifNumber;               /* number of network interfaces */
-        struct iftable {
-                int     ifIndex;        /* index of this interface */
-                char    ifDescr[45];    /* description */
-                int     ifType;         /* type of the interface */
-                int     ifMtu;          /* MTU of the interface */
-                char    ifPhysAddr[6];  /* MTU of the interface */
-                int     ifOperStatus;
-                u_long  ifSpeed;
-                u_long  ifLastChange;
-                u_long  ifInOctets;
-                u_long  ifOutOctets;
-                u_long  ifOutDiscards;
-                u_long  ifInDiscards;
-                u_long  ifInErrors;
-                u_long  ifOutErrors;
-                u_long  ifInUnknownProtos;
-                u_long  ifInUcastPkts;
-                u_long  ifOutUcastPkts;
-                u_long  ifInNUcastPkts;
-                u_long  ifOutNUcastPkts;
-        } iftable[20];
-};
-#else /* TCP/IP V4 */
+        /* Interface TCP estimates/controls.  Serves the same */
+        /* purpose as the per-route values in BSD-Reno, but I didn't */
+        /* have to touch any of the route manipulation code.         */
+        u_short if_rtt;                 /* Est interface rtt in ms */
+        u_short if_rttvar;              /* Est interface rttvar in ms */
+        u_short if_rttmin;              /* Fixed interface rttmin in ms */
+        u_short if_sendpipe;            /* Send socket buffer/window size */
+        u_short if_recvpipe;            /* Recv socket buffer/window size */
+        u_short if_ssthresh;            /* Gateway buffer limit (slow strt) */
+        u_long  if_eflags;              /* Extended Flags */
+        struct ifqueue if_traceq;       /* packet trace queue */
+        u_short if_segsize;             /* segment size for interface*/
+        u_short if_use576;              /* use 576 or 1460 as def. mss if going thru a router */
+        /* Token Ring IP multicast flag */
+        u_short if_rfc1469;             /* using broadcast or functional address */
+                                        /* for IP Mulitcast */
+#define IF_RTTSCALE 1000
+#endif /* __OS2__ */
+};
+#pragma pack()
+#endif /*TCPV40HDRS*/
 
 #ifndef IFMIB_ENTRIES
@@ -186 +145 @@
 #endif
 
+
+
 struct ifmib {
         short   ifNumber;               /* number of network interfaces */
@@ -210 +171 @@
         } iftable[IFMIB_ENTRIES];
 };
-#endif /* TCP/IP V4 */
-#pragma pack()
+#pragma pack()
+
+#else /*TCPV40HDRS*/
+
+#pragma pack(1) /* force on doubleword boundary */
+struct iftable {
+    short  iftIndex;        /* index of this interface */
+    char   iftDescr[45];    /* description             */
+    short  iftType;         /* type of the interface   */
+    short  iftMtu;          /* MTU of the interface   */
+    char   iftPhysAddr[6];  /* MTU of the interface   */
+    short  iftOperStatus;
+    u_long iftSpeed;
+    u_long iftLastChange;
+    u_long iftInOctets;
+    u_long iftOutOctets;
+    u_long iftOutDiscards;
+    u_long iftInDiscards;
+    u_long iftInErrors;
+    u_long iftOutErrors;
+    u_long iftInUnknownProtos;
+    u_long iftInUcastPkts;
+    u_long iftOutUcastPkts;
+    u_long iftInNUcastPkts;
+    u_long iftOutNUcastPkts;
+};
+struct ifmib {
+    short ifNumber;
+    struct iftable iftable[IFMIB_ENTRIES];
+};
+#pragma pack()   /* reset to default packing */
+
+#define IFC_ALLRTSBCAST    0x0001
+#define IFC_802_3          0x0002
+#define IFC_FDDI           0x0004
+#define IFC_NOREDIR        0x0010
+
+#define OPERSTATUS_UP      0x1
+#define OPERSTATUS_DOWN    0x2
+#define OPERSTATUS_TESTING 0x3
+#endif /*TCPV40HDRS*/
 
 #define IFF_UP          0x1             /* interface is up */
@@ -219 +219 @@
 #define IFF_POINTOPOINT 0x10            /* interface is point-to-point link */
 #define IFF_NOTRAILERS  0x20            /* avoid use of trailers */
+
+
+
 #define IFF_RUNNING     0x40            /* resources allocated */
 #define IFF_NOARP       0x80            /* no address resolution protocol */
-/* next two not supported now, but reserved: */
 #define IFF_PROMISC     0x100           /* receive all packets */
 #define IFF_ALLMULTI    0x200           /* receive all multicast packets */
-#define IFF_OACTIVE     0x400           /* transmission in progress */
-#define IFF_SIMPLEX     0x800           /* can't hear own transmissions */
+#define IFF_DEFMTU      0x400           /* default mtu of 1500 */
+#define IFF_MULTICAST   0x800           /* supports multicast */
+/*
+ * The IFF_MULTICAST flag indicates that the network can support the
+ * transmission and reception of higher-level (e.g., IP) multicast packets.
+ * It is independent of hardware support for multicasting; for example,
+ * point-to-point links or pure broadcast networks may well support
+ * higher-level multicasts.
+ */
 #define IFF_BRIDGE      0x1000          /* support token ring routine field */
-#define IFF_SNAP        0x2000          /* support extended SNAP header */
+#define IFF_SNAP        0x2000          /* support extended SAP header */
 #define IFF_ETHER       0x4000          /* ethernet interface */
 #define IFF_LOOPBRD     0x8000          /* ethernet interface */
+
+
+
+
+
+
+
+
+
+
+
 
 /*hv: flags set internally only */
-#ifdef BSD_TCPCOMPAT
+#ifdef TCPV40HDRS
+#define IFF_CANTCHANGE  (IFF_BROADCAST | IFF_POINTOPOINT | IFF_RUNNING)
+#else
 #define IFF_CANTCHANGE \
         (IFF_BROADCAST|IFF_POINTOPOINT|IFF_RUNNING|IFF_OACTIVE| \
-        IFF_SIMPLEX|IFF_MULTICAST)
-#else
-#define IFF_CANTCHANGE  (IFF_BROADCAST | IFF_POINTOPOINT | IFF_RUNNING)
-#endif
-
-#ifdef TCPIPV4
+            IFF_SIMPLEX|IFF_MULTICAST|IFF_ALLMULTI)
+#endif
+
 /* packet tracing extension */
 #define IFFE_PKTTRACE   0x00000001      /* trace datalink where possible */
 #define IFFE_IPTRACE    0x00000002      /* trace ONLY IP packets */
 
+
+
+
 struct pkt_trace_hdr {
         u_short         pt_htype;       /* header type */
-#define         HT_IP           0x01    /*      IP */
-#define         HT_ETHER        0x06    /*      Ethernet */
-#define         HT_ISO88023     0x07    /*      CSMA CD */
-#define         HT_ISO88025     0x09    /*      Token Ring */
-#define         HT_SLIP         0x1c    /*      Serial Line IP */
-#define         HT_PPP          0x18    /*      PPP IP */
         u_short         pt_len;         /* in: pt_buf len, out: packet len */
         caddr_t         pt_data;        /* packet ATTN: This is a _Seg16 addr! */
         u_long          pt_tstamp;      /* time stamp in milliseconds */
 };
-
-#endif /* TCP/IP V4 */
-
+#ifndef TCPV40HDRS
+#pragma pack()
+#endif
+#define HT_IP           0x01 /* IP */
+#define HT_ETHER        0x06 /* Ethernet */
+#define HT_ISO88023     0x07 /* CSMA CD */
+#define HT_ISO88025     0x09 /* Token Ring */
+#define HT_SLIP         0x1c /* Serial Line IP */
+#define HT_PPP          0x18 /* PPP IP */
+
+#ifndef TCPV40HDRS
+/* genric interface information */
+#pragma pack(1)
+struct  if_data {
+                u_char  ifi_type;       /* ethernet, tokenring, etc */
+                u_char  ifi_addrlen;    /* media address length */
+                u_char  ifi_hdrlen;     /* media header length */
+                u_long  ifi_mtu;        /* maximum transmission unit */
+                u_long  ifi_metric;     /* routing metric (external only) */
+                u_long  ifi_baudrate;   /* linespeed */
+                                        /* volatile statistics */
+                u_long  ifi_collisions; /* collisions on csma interfaces */
+                u_long  ifi_ibytes;     /* total number of octets received */
+                u_long  ifi_obytes;     /* total number of octets sent */
+                u_long  ifi_oqdrops;    /* dropped on output, this interface */
+                u_long  ifi_iqdrops;    /* dropped on input, this interface */
+                u_long  ifi_ierrors;    /* input errors on interface */
+                u_long  ifi_oerrors;    /* output errors on interface */
+                u_long  ifi_noproto;    /* destined for unsupported protocol */
+                u_long  ifi_ipackets;   /* packets received on interface */
+                u_long  ifi_opackets;   /* packets sent on interface */
+                u_long  ifi_imcasts;    /* packets received via multicast */
+                u_long  ifi_omcasts;    /* packets sent via multicast */
+                short   ifi_OperStatus; /* SNMP Oper Status */
+                struct  timeval ifi_lastchange;/* last updated */
+                u_char  ifi_descr[45];  /* description of the interface */
+};
+#pragma pack()
+
+/*
+ * Message format for use in obtaining information about interfaces
+ * from getkerninfo and the routing socket
+ */
+#pragma pack(1)
+struct if_msghdr {
+        u_short ifm_msglen;     /* to skip over non-understood messages */
+        u_char  ifm_version;    /* future binary compatability */
+        u_char  ifm_type;       /* message type */
+        int     ifm_addrs;      /* like rtm_addrs */
+        int     ifm_flags;      /* value of if_flags */
+        u_short ifm_index;      /* index for associated ifp */
+        struct  if_data ifm_data;/* statistics and other data about if */
+};
+#pragma pack()
+
+/*
+ * Message format for use in obtaining information about interface addresses
+ * from getkerninfo and the routing socket
+ */
+#pragma pack(1)
+struct ifa_msghdr {
+        u_short ifam_msglen;    /* to skip over non-understood messages */
+        u_char  ifam_version;   /* future binary compatability */
+        u_char  ifam_type;      /* message type */
+        int     ifam_addrs;     /* like rtm_addrs */
+        int     ifam_flags;     /* value of ifa_flags */
+        u_short ifam_index;     /* index for associated ifp */
+        int     ifam_metric;    /* value of ifa_metric */
+};
+#pragma pack()
+#endif /*!TCPV40HDRS*/
+
+#ifdef TCPV40HDRS
 /*
  * Output queues (ifp->if_snd) and internetwork datagram level (pup level 1)
@@ -284 +370 @@
         (ifq)->ifq_len++;\
 }
-#define IF_DEQUEUE(ifq, m) {\
-        (m)=(ifq)->ifq_head;\
-        if (m) {\
-                if (((ifq)->ifq_head=(m)->m_act)==0)\
-                        (ifq)->ifq_tail=0;\
-                (m)->m_act=0;\
-                (ifq)->ifq_len--;\
-        }\
-}
+/*
+ * Packets destined for level-1 protocol input routines
+ * have a pointer to the receiving interface prepended to the data.
+ * IF_DEQUEUEIF extracts and returns this pointer when dequeueing the packet.
+ * IF_ADJ should be used otherwise to adjust for its presence.
+ */
 #define IF_ADJ(m) {\
         (m)->m_off+=sizeof(struct ifnet*);\
@@ -313 +396 @@
         }\
 }
+
+
+
+
+
+
+
+
+
 
 #define IFQ_MAXLEN      50
@@ -334 +426 @@
         struct ifaddr   *ifa_next;              /* next address for interface */
 };
+
 
 /*
@@ -341 +434 @@
  * remainder may be interface specific.
  */
+
+
+
 struct  ifreq {
 #define IFNAMSIZ        16
@@ -358 +454 @@
 #define ifr_metric      ifr_ifru.ifru_metric    /* metric */
 #define ifr_data        ifr_ifru.ifru_data      /* for use by interface */
-};
+#ifndef TCPV40HDRS
+#define ifr_eflags      ifr_ifru.ifru_data      /* Extended flags */
+#endif
+};
+#ifndef TCPV40HDRS
+#pragma pack()
+#endif
+
+#ifndef TCPV40HDRS
+#pragma pack(1)
+struct ifaliasreq {
+  char    ifra_name[IFNAMSIZ];            /* if name, e.g. "en0" */
+  struct  sockaddr ifra_addr;
+  struct  sockaddr ifra_broadaddr;
+  struct  sockaddr ifra_mask;
+};
+#pragma pack()
+#endif
 
 /*
@@ -366 +479 @@
  * must know all networks accessible).
  */
+
+
+
 struct  ifconf {
         int     ifc_len;                /* size of associated buffer */
@@ -375 +491 @@
 #define ifc_req ifc_ifcu.ifcu_req       /* array of structures returned */
 };
+
+
+
 
 #include <net/if_arp.h>
@@ -382 +501 @@
 #endif
 
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 #endif /* _NET_IF_H_ */