bsd/net/rtsock.c

80 #include <net/route.h>
130 SYSCTL_NODE(_net_idle, OID_AUTO, route, CTLFLAG_RW|CTLFLAG_LOCKED, 0,
131     "idle route monitoring");
140  * system time. This skew adjustment is required because we now keep the route
465  * AOL is adding a circular route ("10.0.1.1/32 10.0.1.1") when establishing its ppp tunnel
467  * There is no apparent reason to add this route as there is a valid 10.0.1.1/24 route to the BS.
468  * That circular route was ignored on previous version of MacOS X because of a routing bug
469  * corrected with the merge to FreeBSD4.4 (a route generated from an RTF_CLONING route had the RTF_WASCLONED
470  * flag set but did not have a reference to the parent route) and that entry was left in the RT. This workaround is
472  * If we catch a process adding a circular route with a /32 from the routing socket, we error it out instead of
473  * confusing the routing table with a wrong route to the previous default gateway
481 					log(LOG_WARNING, "route_output: circular route %ld.%ld.%ld.%ld/32 ignored\n",
497 				 * If the route request specified an interface with
499 				 * the route with rt_setif.  It would be much better
516 				 * the work necessary to add the route if it can't
518 				 * route that leads to some interface, rtrequest will
640 					 * flags on the default route without changing the
822  * Set route's interface given info.rti_info[RTAX_IFP], info.rti_info[RTAX_IFA], and gateway.
837 	/* trigger route cache reevaluation */
841 	/* Don't update a defunct route */
882 			 * rt_setgate() on this route.  We cannot hold the
884 			 * by that routine may point to the same route.
891 			/* Don't update a defunct route */
921 				 * Adjust route ref count for the interfaces.
930 			 * If this is the (non-scoped) default route, record
997 		 * I've seen this. route(1) can evidently generate these.
1339  * there is no route state to worry about.
1446  * This is used for dumping extended information from route entries.
1986     { PF_ROUTE, "route", route_init, 0, 0,
1991 DOMAIN_SET(route);