2002/1110/ip/pktmedium.c (diff list | history)

ip/pktmedium.c on 1998/0306
1998/0306		#include "u.h" #include "../port/lib.h" #include "mem.h" #include "dat.h" #include "fns.h" #include "../port/error.h" #include "ip.h" static void pktbind(Ipifc *ifc, int argc, char **argv); static void pktunbind(Ipifc *ifc); static void pktbwrite(Ipifc *ifc, Block *bp, int version, uchar *ip);
1998/0313		static void pktin(Fs*, Ipifc *ifc, Block *bp);
1998/0306		Medium pktmedium = {
1999/0731		.name= "pkt", .hsize= 14, .minmtu= 40, .maxmtu= 4*1024, .maclen= 6, .bind= pktbind, .unbind= pktunbind, .bwrite= pktbwrite, .pktin= pktin, .unbindonclose= 1,
1998/0306		}; /* * called to bind an IP ifc to an ethernet device * called with ifc wlock'd */ static void pktbind(Ipifc*, int, char**) { } /* * called with ifc wlock'd */ static void pktunbind(Ipifc*) { } /* * called by ipoput with a single packet to write */ static void pktbwrite(Ipifc *ifc, Block *bp, int, uchar*) { /* enqueue onto the conversation's rq */ bp = concatblock(bp);
2002/1110		if(ifc->conv->snoopers.ref > 0) qpass(ifc->conv->sq, copyblock(bp, BLEN(bp)));
1998/0306		qpass(ifc->conv->rq, bp); } /*
1998/0313		* called with ifc rlocked when someone write's to 'data'
1998/0306		*/ static void
1998/0313		pktin(Fs *f, Ipifc *ifc, Block *bp)
1998/0306		{ if(ifc->lifc == nil) freeb(bp);
2002/1110		else { if(ifc->conv->snoopers.ref > 0) qpass(ifc->conv->sq, copyblock(bp, BLEN(bp)));
2002/0507		ipiput4(f, ifc, bp);
2002/1110		}
1998/0306		}
1998/0423		void pktmediumlink(void) { addipmedium(&pktmedium); }