Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

===================================================================
RCS file: /ftp/cvs/cvsroot/src/sys/netinet/udp_usrreq.c,v
rcsdiff: /ftp/cvs/cvsroot/src/sys/netinet/udp_usrreq.c,v: warning: Unknown phrases like `commitid ...;' are present.
retrieving revision 1.109
retrieving revision 1.115
diff -u -p -r1.109 -r1.115
--- src/sys/netinet/udp_usrreq.c	2003/09/04 09:17:03	1.109
+++ src/sys/netinet/udp_usrreq.c	2004/03/10 18:50:45	1.115
@@ -1,4 +1,4 @@
-/*	$NetBSD: udp_usrreq.c,v 1.109 2003/09/04 09:17:03 itojun Exp $	*/
+/*	$NetBSD: udp_usrreq.c,v 1.115 2004/03/10 18:50:45 drochner Exp $	*/
 
 /*
  * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
@@ -61,7 +61,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: udp_usrreq.c,v 1.109 2003/09/04 09:17:03 itojun Exp $");
+__KERNEL_RCSID(0, "$NetBSD: udp_usrreq.c,v 1.115 2004/03/10 18:50:45 drochner Exp $");
 
 #include "opt_inet.h"
 #include "opt_ipsec.h"
@@ -270,8 +270,8 @@ udp_input(m, va_alist)
 	 */
 	if (uh->uh_sum) {
 		switch (m->m_pkthdr.csum_flags &
-			((m->m_pkthdr.rcvif->if_csum_flags_rx & M_CSUM_UDPv4) |
-			 M_CSUM_TCP_UDP_BAD | M_CSUM_DATA)) {
+		    ((m->m_pkthdr.rcvif->if_csum_flags_rx & M_CSUM_UDPv4) |
+		    M_CSUM_TCP_UDP_BAD | M_CSUM_DATA)) {
 		case M_CSUM_UDPv4|M_CSUM_TCP_UDP_BAD:
 			UDP_CSUM_COUNTER_INCR(&udp_hwcsum_bad);
 			goto badcsum;
@@ -280,8 +280,9 @@ udp_input(m, va_alist)
 			u_int32_t hw_csum = m->m_pkthdr.csum_data;
 			UDP_CSUM_COUNTER_INCR(&udp_hwcsum_data);
 			if (m->m_pkthdr.csum_flags & M_CSUM_NO_PSEUDOHDR)
-			  hw_csum = in_cksum_phdr(ip->ip_src.s_addr, ip->ip_dst.s_addr,
-				htonl(hw_csum + ntohs(ip->ip_len) + IPPROTO_UDP));
+				hw_csum = in_cksum_phdr(ip->ip_src.s_addr,
+				    ip->ip_dst.s_addr,
+				    htons(hw_csum + len + IPPROTO_UDP));
 			if ((hw_csum ^ 0xffff) != 0)
 				goto badcsum;
 			break;
@@ -500,6 +501,9 @@ udp4_sendup(m, off, src, so)
 	/* check AH/ESP integrity. */
 	if (so != NULL && ipsec4_in_reject_so(m, so)) {
 		ipsecstat.in_polvio++;
+		if ((n = m_copy(m, 0, M_COPYALL)) != NULL)
+			icmp_error(n, ICMP_UNREACH, ICMP_UNREACH_ADMIN_PROHIBIT,
+			    0, 0);
 		return;
 	}
 #endif /*IPSEC*/
@@ -546,6 +550,9 @@ udp6_sendup(m, off, src, so)
 	/* check AH/ESP integrity. */
 	if (so != NULL && ipsec6_in_reject_so(m, so)) {
 		ipsec6stat.in_polvio++;
+		if ((n = m_copy(m, 0, M_COPYALL)) != NULL)
+			icmp6_error(n, ICMP6_DST_UNREACH,
+			    ICMP6_DST_UNREACH_ADMIN, 0);
 		return;
 	}
 #endif /*IPSEC*/
@@ -1016,11 +1023,6 @@ udp_usrreq(so, req, m, nam, control, p)
 		so->so_state &= ~SS_ISCONNECTED;	/* XXX */
 		in_pcbdisconnect(inp);
 		inp->inp_laddr = zeroin_addr;		/* XXX */
-		if (inp->inp_ia != NULL) {
-			LIST_REMOVE(inp, inp_ialink);
-			IFAFREE(&inp->inp_ia->ia_ifa);
-			inp->inp_ia = NULL;
-		}
 		in_pcbstate(inp, INP_BOUND);		/* XXX */
 		break;
 
@@ -1065,11 +1067,6 @@ udp_usrreq(so, req, m, nam, control, p)
 			in_pcbstate(inp, INP_BOUND);	/* XXX */
 		}
 	  die:
-		if (inp->inp_ia != NULL && in_nullhost(inp->inp_laddr)) {
-			LIST_REMOVE(inp, inp_ialink);
-			IFAFREE(&inp->inp_ia->ia_ifa);
-			inp->inp_ia = NULL;
-		}
 		if (m)
 			m_freem(m);
 	}
@@ -1112,31 +1109,36 @@ release:
 /*
  * Sysctl for udp variables.
  */
-int
-udp_sysctl(name, namelen, oldp, oldlenp, newp, newlen)
-	int *name;
-	u_int namelen;
-	void *oldp;
-	size_t *oldlenp;
-	void *newp;
-	size_t newlen;
+SYSCTL_SETUP(sysctl_net_inet_udp_setup, "sysctl net.inet.udp subtree setup")
 {
-	/* All sysctl names at this level are terminal. */
-	if (namelen != 1)
-		return (ENOTDIR);
-
-	switch (name[0]) {
-	case UDPCTL_CHECKSUM:
-		return (sysctl_int(oldp, oldlenp, newp, newlen, &udpcksum));
-	case UDPCTL_SENDSPACE:
-		return (sysctl_int(oldp, oldlenp, newp, newlen,
-		    &udp_sendspace));
-	case UDPCTL_RECVSPACE:
-		return (sysctl_int(oldp, oldlenp, newp, newlen,
-		    &udp_recvspace));
-	default:
-		return (ENOPROTOOPT);
-	}
-	/* NOTREACHED */
+
+	sysctl_createv(SYSCTL_PERMANENT,
+		       CTLTYPE_NODE, "net", NULL,
+		       NULL, 0, NULL, 0,
+		       CTL_NET, CTL_EOL);
+	sysctl_createv(SYSCTL_PERMANENT,
+		       CTLTYPE_NODE, "inet", NULL,
+		       NULL, 0, NULL, 0,
+		       CTL_NET, PF_INET, CTL_EOL);
+	sysctl_createv(SYSCTL_PERMANENT,
+		       CTLTYPE_NODE, "udp", NULL,
+		       NULL, 0, NULL, 0,
+		       CTL_NET, PF_INET, IPPROTO_UDP, CTL_EOL);
+
+	sysctl_createv(SYSCTL_PERMANENT|SYSCTL_READWRITE,
+		       CTLTYPE_INT, "checksum", NULL,
+		       NULL, 0, &udpcksum, 0,
+		       CTL_NET, PF_INET, IPPROTO_UDP, UDPCTL_CHECKSUM,
+		       CTL_EOL);
+	sysctl_createv(SYSCTL_PERMANENT|SYSCTL_READWRITE,
+		       CTLTYPE_INT, "sendspace", NULL,
+		       NULL, 0, &udp_sendspace, 0,
+		       CTL_NET, PF_INET, IPPROTO_UDP, UDPCTL_SENDSPACE,
+		       CTL_EOL);
+	sysctl_createv(SYSCTL_PERMANENT|SYSCTL_READWRITE,
+		       CTLTYPE_INT, "recvspace", NULL,
+		       NULL, 0, &udp_recvspace, 0,
+		       CTL_NET, PF_INET, IPPROTO_UDP, UDPCTL_RECVSPACE,
+		       CTL_EOL);
 }
 #endif