diff --git a/sys/netinet/in.h b/sys/netinet/in.h
--- a/sys/netinet/in.h
+++ b/sys/netinet/in.h
@@ -672,7 +672,7 @@
 struct ifnet; struct mbuf;	/* forward declarations for Standard C */
 struct in_ifaddr;
 
-bool	 in_broadcast(struct in_addr, struct ifnet *);
+bool	 in_ifnet_broadcast(struct in_addr, struct ifnet *);
 bool	 in_ifaddr_broadcast(struct in_addr, struct in_ifaddr *);
 int	 in_canforward(struct in_addr);
 int	 in_localaddr(struct in_addr);
diff --git a/sys/netinet/in.c b/sys/netinet/in.c
--- a/sys/netinet/in.c
+++ b/sys/netinet/in.c
@@ -1293,7 +1293,7 @@
  * Return true if the address might be a local broadcast address.
  */
 bool
-in_broadcast(struct in_addr in, struct ifnet *ifp)
+in_ifnet_broadcast(struct in_addr in, struct ifnet *ifp)
 {
 	struct ifaddr *ifa;
 
diff --git a/sys/netinet/in_rmx.c b/sys/netinet/in_rmx.c
--- a/sys/netinet/in_rmx.c
+++ b/sys/netinet/in_rmx.c
@@ -71,7 +71,7 @@
 		 * add these routes to support some cases with active-active
 		 * load balancing. Given that, retain this support.
 		 */
-		if (in_broadcast(addr4->sin_addr, nh->nh_ifp))
+		if (in_ifnet_broadcast(addr4->sin_addr, nh->nh_ifp))
 			is_broadcast = true;
 	} else if (mask4->sin_addr.s_addr == 0)
 		nhop_set_pxtype_flag(nh, NHF_DEFAULT);
diff --git a/sys/netinet/ip_divert.c b/sys/netinet/ip_divert.c
--- a/sys/netinet/ip_divert.c
+++ b/sys/netinet/ip_divert.c
@@ -538,7 +538,7 @@
 		 */
 		if (IN_MULTICAST(ntohl(ip->ip_dst.s_addr)))
 			m->m_flags |= M_MCAST;
-		else if (in_broadcast(ip->ip_dst, m->m_pkthdr.rcvif))
+		else if (in_ifnet_broadcast(ip->ip_dst, m->m_pkthdr.rcvif))
 			m->m_flags |= M_BCAST;
 		netisr_queue_src(NETISR_IP, (uintptr_t)so, m);
 		DIVSTAT_INC(inbound);
diff --git a/sys/netinet/sctp_os_bsd.h b/sys/netinet/sctp_os_bsd.h
--- a/sys/netinet/sctp_os_bsd.h
+++ b/sys/netinet/sctp_os_bsd.h
@@ -342,7 +342,7 @@
                          } while(0)
 
 /* Other m_pkthdr type things */
-#define SCTP_IS_IT_BROADCAST(dst, m) ((m->m_flags & M_PKTHDR) ? in_broadcast(dst, m->m_pkthdr.rcvif) : 0)
+#define SCTP_IS_IT_BROADCAST(dst, m) ((m->m_flags & M_PKTHDR) ? in_ifnet_broadcast(dst, m->m_pkthdr.rcvif) : 0)
 #define SCTP_IS_IT_LOOPBACK(m) ((m->m_flags & M_PKTHDR) && ((m->m_pkthdr.rcvif == NULL) || (m->m_pkthdr.rcvif->if_type == IFT_LOOP)))
 
 /* This converts any input packet header
diff --git a/sys/netinet/tcp_input.c b/sys/netinet/tcp_input.c
--- a/sys/netinet/tcp_input.c
+++ b/sys/netinet/tcp_input.c
@@ -1290,7 +1290,7 @@
 		 *	global or subnet broad- or multicast address.
 		 *   Note that it is quite possible to receive unicast
 		 *	link-layer packets with a broadcast IP address. Use
-		 *	in_broadcast() to find them.
+		 *	in_ifnet_broadcast() to find them.
 		 */
 		if (m->m_flags & (M_BCAST|M_MCAST)) {
 			if ((s = tcp_log_addrs(&inc, th, NULL, NULL)))
@@ -1335,7 +1335,7 @@
 			if (IN_MULTICAST(ntohl(ip->ip_dst.s_addr)) ||
 			    IN_MULTICAST(ntohl(ip->ip_src.s_addr)) ||
 			    ip->ip_src.s_addr == htonl(INADDR_BROADCAST) ||
-			    in_broadcast(ip->ip_dst, m->m_pkthdr.rcvif)) {
+			    in_ifnet_broadcast(ip->ip_dst, m->m_pkthdr.rcvif)) {
 				if ((s = tcp_log_addrs(&inc, th, NULL, NULL)))
 				    log(LOG_DEBUG, "%s; %s: Listen socket: "
 					"Connection attempt from/to broad- "
@@ -3522,7 +3522,7 @@
 		if (IN_MULTICAST(ntohl(ip->ip_dst.s_addr)) ||
 		    IN_MULTICAST(ntohl(ip->ip_src.s_addr)) ||
 		    ip->ip_src.s_addr == htonl(INADDR_BROADCAST) ||
-		    in_broadcast(ip->ip_dst, m->m_pkthdr.rcvif))
+		    in_ifnet_broadcast(ip->ip_dst, m->m_pkthdr.rcvif))
 			goto drop;
 	}
 #endif
diff --git a/sys/netinet/udp_usrreq.c b/sys/netinet/udp_usrreq.c
--- a/sys/netinet/udp_usrreq.c
+++ b/sys/netinet/udp_usrreq.c
@@ -583,7 +583,7 @@
 	}
 
 	if (IN_MULTICAST(ntohl(ip->ip_dst.s_addr)) ||
-	    in_broadcast(ip->ip_dst, ifp))
+	    in_ifnet_broadcast(ip->ip_dst, ifp))
 		return (udp_multi_input(m, proto, udp_in));
 
 	pcbinfo = udp_get_inpcbinfo(proto);