diff options
Diffstat (limited to 'sys/net/if.h')
| -rw-r--r-- | sys/net/if.h | 57 |
1 files changed, 39 insertions, 18 deletions
diff --git a/sys/net/if.h b/sys/net/if.h index 310f9c069674..e1d7f316b04a 100644 --- a/sys/net/if.h +++ b/sys/net/if.h @@ -31,9 +31,12 @@ * SUCH DAMAGE. * * from: @(#)if.h 7.11 (Berkeley) 3/19/91 - * $Id: if.h,v 1.5 1993/10/16 17:43:12 rgrimes Exp $ + * $Id: if.h,v 1.11 1993/12/19 00:52:02 wollman Exp $ */ +#ifndef _NET_IF_H_ +#define _NET_IF_H_ 1 + /* * Structures defining a network interface, providing a packet * transport mechanism (ala level 0 of the PUP protocols). @@ -72,10 +75,12 @@ * (Would like to call this struct ``if'', but C isn't PL/1.) */ +struct rtentry; + struct ifnet { char *if_name; /* name, e.g. ``en'' or ``lo'' */ short if_unit; /* sub-unit for lower level driver */ - short if_mtu; /* maximum transmission unit */ + u_short if_mtu; /* maximum transmission unit */ short if_flags; /* up/down, broadcast, etc. */ short if_timer; /* time 'til if_watchdog called */ int if_metric; /* routing metric (external only) */ @@ -88,13 +93,14 @@ struct ifnet { int ifq_drops; } if_snd; /* output queue */ /* procedure handles */ - int (*if_init)(); /* init routine */ - int (*if_output)(); /* output routine (enqueue) */ - int (*if_start)(); /* initiate output routine */ - int (*if_done)(); /* output complete routine */ - int (*if_ioctl)(); /* ioctl routine */ - int (*if_reset)(); /* bus reset routine */ - int (*if_watchdog)(); /* timer routine */ + void (*if_init)(int); /* init routine */ + int (*if_output)(struct ifnet *, struct mbuf *, struct sockaddr *, + struct rtentry *); /* output routine (enqueue) */ + void (*if_start)(struct ifnet *); /* initiate output routine */ + int (*if_done)(struct ifnet *); /* output complete routine */ + int (*if_ioctl)(struct ifnet *, int, caddr_t); /* ioctl routine */ + void (*if_reset)(int, int); /* bus reset routine */ + void (*if_watchdog)(int); /* timer routine */ /* generic interface statistics */ int if_ipackets; /* packets received on interface */ int if_ierrors; /* input errors on interface */ @@ -132,13 +138,17 @@ struct ifnet { #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_LLC0 0x1000 /* interface driver control/status */ -#define IFF_LLC1 0x2000 /* interface driver control/status */ -#define IFF_LLC2 0x4000 /* interface driver control/status */ +#define IFF_LLC0 0x1000 /* IEEE 802.2 LLC class 0 */ +#define IFF_LLC1 0x2000 /* IEEE 802.2 LLC class 1 */ +#define IFF_LLC2 0x4000 /* IEEE 802.2 LLC class 2 */ +#define IFF_ALTPHYS 0x8000 /* alternative physical connection */ +#define IFF_MULTICAST 0x10000 /* i'face supports multicast */ +#define IFF_VIRTUAL 0x20000 /* i'face is really a VIF */ /* flags set internally only: */ #define IFF_CANTCHANGE \ - (IFF_BROADCAST|IFF_POINTOPOINT|IFF_RUNNING|IFF_OACTIVE|IFF_SIMPLEX) + (IFF_BROADCAST|IFF_POINTOPOINT|IFF_RUNNING|IFF_OACTIVE|IFF_SIMPLEX\ + |IFF_MULTICAST|IFF_VIRTUAL) /* * Output queues (ifp->if_snd) and internetwork datagram level (pup level 1) @@ -183,6 +193,8 @@ struct ifnet { * are allocated and attached when an address is set, and are linked * together so all addresses for an interface can be located. */ +struct rtentry; + struct ifaddr { struct sockaddr *ifa_addr; /* address of interface */ struct sockaddr *ifa_dstaddr; /* other end of p-to-p link */ @@ -190,7 +202,8 @@ struct ifaddr { struct sockaddr *ifa_netmask; /* used to determine subnet */ struct ifnet *ifa_ifp; /* back-pointer to interface */ struct ifaddr *ifa_next; /* next address for interface */ - int (*ifa_rtrequest)(); /* check or clean routes (+ or -)'d */ + void (*ifa_rtrequest)(int, struct rtentry *, struct sockaddr *); + /* check or clean routes (+ or -)'d */ struct rtentry *ifa_rt; /* ??? for ROUTETOIF */ u_short ifa_flags; /* mostly rt_flags for cloning */ u_short ifa_llinfolen; /* extra to malloc for link info */ @@ -246,10 +259,18 @@ struct ifconf { #ifdef KERNEL #include "../net/if_arp.h" -struct ifqueue rawintrq; /* raw packet input queue */ -struct ifnet *ifnet; +extern struct ifqueue rawintrq; /* raw packet input queue */ +extern struct ifnet *ifnet; struct ifaddr *ifa_ifwithaddr(), *ifa_ifwithnet(); struct ifaddr *ifa_ifwithdstaddr(); -#else KERNEL +extern int ifpromisc(struct ifnet *, int); + +/* Loopback interface, used internally by non-loopback code */ +extern struct ifnet loif; +extern int looutput(struct ifnet *, struct mbuf *, struct sockaddr *, + struct rtentry *); + +#else /* KERNEL */ #include <net/if_arp.h> -#endif KERNEL +#endif /* KERNEL */ +#endif /* _NET_IF_H_ */ |