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From: "Alexander V. Chernikov" <melifaro@FreeBSD.org>
Date: Wed, 16 Dec 2015 09:18:20 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
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Subject: svn commit: r292331 - head/sys/net
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Author: melifaro
Date: Wed Dec 16 09:18:20 2015
New Revision: 292331
URL: https://svnweb.freebsd.org/changeset/base/292331

Log:
  Convert if_stf(4) to new routing api.

Modified:
  head/sys/net/if_stf.c

Modified: head/sys/net/if_stf.c
==============================================================================
--- head/sys/net/if_stf.c	Wed Dec 16 09:17:07 2015	(r292330)
+++ head/sys/net/if_stf.c	Wed Dec 16 09:18:20 2015	(r292331)
@@ -101,6 +101,7 @@
 #include <net/vnet.h>
 
 #include <netinet/in.h>
+#include <netinet/in_fib.h>
 #include <netinet/in_systm.h>
 #include <netinet/ip.h>
 #include <netinet/ip_var.h>
@@ -557,26 +558,13 @@ stf_checkaddr4(struct stf_softc *sc, str
 	 * perform ingress filter
 	 */
 	if (sc && (STF2IFP(sc)->if_flags & IFF_LINK2) == 0 && inifp) {
-		struct sockaddr_in sin;
-		struct rtentry *rt;
+		struct nhop4_basic nh4;
 
-		bzero(&sin, sizeof(sin));
-		sin.sin_family = AF_INET;
-		sin.sin_len = sizeof(struct sockaddr_in);
-		sin.sin_addr = *in;
-		rt = rtalloc1_fib((struct sockaddr *)&sin, 0,
-		    0UL, sc->sc_fibnum);
-		if (!rt || rt->rt_ifp != inifp) {
-#if 0
-			log(LOG_WARNING, "%s: packet from 0x%x dropped "
-			    "due to ingress filter\n", if_name(STF2IFP(sc)),
-			    (u_int32_t)ntohl(sin.sin_addr.s_addr));
-#endif
-			if (rt)
-				RTFREE_LOCKED(rt);
-			return -1;
-		}
-		RTFREE_LOCKED(rt);
+		if (fib4_lookup_nh_basic(sc->sc_fibnum, *in, 0, 0, &nh4) != 0)
+			return (-1);
+
+		if (nh4.nh_ifp != inifp)
+			return (-1);
 	}
 
 	return 0;