| ip_mroute.c (50477) | ip_mroute.c (55009) |
|---|---|
| 1/* 2 * IP multicast forwarding procedures 3 * 4 * Written by David Waitzman, BBN Labs, August 1988. 5 * Modified by Steve Deering, Stanford, February 1989. 6 * Modified by Mark J. Steiglitz, Stanford, May, 1991 7 * Modified by Van Jacobson, LBL, January 1993 8 * Modified by Ajit Thyagarajan, PARC, August 1993 9 * Modified by Bill Fenner, PARC, April 1995 10 * 11 * MROUTING Revision: 3.5 | 1/* 2 * IP multicast forwarding procedures 3 * 4 * Written by David Waitzman, BBN Labs, August 1988. 5 * Modified by Steve Deering, Stanford, February 1989. 6 * Modified by Mark J. Steiglitz, Stanford, May, 1991 7 * Modified by Van Jacobson, LBL, January 1993 8 * Modified by Ajit Thyagarajan, PARC, August 1993 9 * Modified by Bill Fenner, PARC, April 1995 10 * 11 * MROUTING Revision: 3.5 |
| 12 * $FreeBSD: head/sys/netinet/ip_mroute.c 50477 1999-08-28 01:08:13Z peter $ | 12 * $FreeBSD: head/sys/netinet/ip_mroute.c 55009 1999-12-22 19:13:38Z shin $ |
| 13 */ 14 15#include "opt_mrouting.h" 16 17#include <sys/param.h> 18#include <sys/systm.h> 19#include <sys/malloc.h> 20#include <sys/mbuf.h> --- 91 unchanged lines hidden (view full) --- 112_mrt_ioctl(int req, caddr_t data, struct proc *p) 113{ 114 return EOPNOTSUPP; 115} 116 117int (*mrt_ioctl)(int, caddr_t, struct proc *) = _mrt_ioctl; 118 119void | 13 */ 14 15#include "opt_mrouting.h" 16 17#include <sys/param.h> 18#include <sys/systm.h> 19#include <sys/malloc.h> 20#include <sys/mbuf.h> --- 91 unchanged lines hidden (view full) --- 112_mrt_ioctl(int req, caddr_t data, struct proc *p) 113{ 114 return EOPNOTSUPP; 115} 116 117int (*mrt_ioctl)(int, caddr_t, struct proc *) = _mrt_ioctl; 118 119void |
| 120rsvp_input(m, iphlen) /* XXX must fixup manually */ | 120rsvp_input(m, off, proto) /* XXX must fixup manually */ |
| 121 struct mbuf *m; | 121 struct mbuf *m; |
| 122 int iphlen; | 122 int off; 123 int proto; |
| 123{ 124 /* Can still get packets with rsvp_on = 0 if there is a local member 125 * of the group to which the RSVP packet is addressed. But in this 126 * case we want to throw the packet away. 127 */ 128 if (!rsvp_on) { 129 m_freem(m); 130 return; 131 } 132 133 if (ip_rsvpd != NULL) { 134 if (rsvpdebug) 135 printf("rsvp_input: Sending packet up old-style socket\n"); | 124{ 125 /* Can still get packets with rsvp_on = 0 if there is a local member 126 * of the group to which the RSVP packet is addressed. But in this 127 * case we want to throw the packet away. 128 */ 129 if (!rsvp_on) { 130 m_freem(m); 131 return; 132 } 133 134 if (ip_rsvpd != NULL) { 135 if (rsvpdebug) 136 printf("rsvp_input: Sending packet up old-style socket\n"); |
| 136 rip_input(m, iphlen); | 137 rip_input(m, off, proto); |
| 137 return; 138 } 139 /* Drop the packet */ 140 m_freem(m); 141} 142 | 138 return; 139 } 140 /* Drop the packet */ 141 m_freem(m); 142} 143 |
| 143void ipip_input(struct mbuf *m, int iphlen) { /* XXX must fixup manually */ 144 rip_input(m, iphlen); | 144void ipip_input(struct mbuf *m, int off, int proto) { /* XXX must fixup manually */ 145 rip_input(m, off, proto); |
| 145} 146 147int (*legal_vif_num)(int) = 0; 148 149/* 150 * This should never be called, since IP_MULTICAST_VIF should fail, but 151 * just in case it does get called, the code a little lower in ip_output 152 * will assign the packet a local address. --- 1451 unchanged lines hidden (view full) --- 1604 1605/* 1606 * De-encapsulate a packet and feed it back through ip input (this 1607 * routine is called whenever IP gets a packet with proto type 1608 * ENCAP_PROTO and a local destination address). 1609 */ 1610void 1611#ifdef MROUTE_LKM | 146} 147 148int (*legal_vif_num)(int) = 0; 149 150/* 151 * This should never be called, since IP_MULTICAST_VIF should fail, but 152 * just in case it does get called, the code a little lower in ip_output 153 * will assign the packet a local address. --- 1451 unchanged lines hidden (view full) --- 1605 1606/* 1607 * De-encapsulate a packet and feed it back through ip input (this 1608 * routine is called whenever IP gets a packet with proto type 1609 * ENCAP_PROTO and a local destination address). 1610 */ 1611void 1612#ifdef MROUTE_LKM |
| 1612X_ipip_input(m, iphlen) | 1613X_ipip_input(m, off, proto) |
| 1613#else | 1614#else |
| 1614ipip_input(m, iphlen) | 1615ipip_input(m, off, proto) |
| 1615#endif 1616 register struct mbuf *m; | 1616#endif 1617 register struct mbuf *m; |
| 1617 int iphlen; | 1618 int off; 1619 int proto; |
| 1618{ 1619 struct ifnet *ifp = m->m_pkthdr.rcvif; 1620 register struct ip *ip = mtod(m, struct ip *); 1621 register int hlen = ip->ip_hl << 2; 1622 register int s; 1623 register struct ifqueue *ifq; 1624 register struct vif *vifp; 1625 1626 if (!have_encap_tunnel) { | 1620{ 1621 struct ifnet *ifp = m->m_pkthdr.rcvif; 1622 register struct ip *ip = mtod(m, struct ip *); 1623 register int hlen = ip->ip_hl << 2; 1624 register int s; 1625 register struct ifqueue *ifq; 1626 register struct vif *vifp; 1627 1628 if (!have_encap_tunnel) { |
| 1627 rip_input(m, iphlen); | 1629 rip_input(m, off, proto); |
| 1628 return; 1629 } 1630 /* 1631 * dump the packet if it's not to a multicast destination or if 1632 * we don't have an encapsulating tunnel with the source. 1633 * Note: This code assumes that the remote site IP address 1634 * uniquely identifies the tunnel (i.e., that this site has 1635 * at most one tunnel with the remote site). --- 478 unchanged lines hidden (view full) --- 2114 } 2115 } 2116 2117 splx(s); 2118 return; 2119} 2120 2121void | 1630 return; 1631 } 1632 /* 1633 * dump the packet if it's not to a multicast destination or if 1634 * we don't have an encapsulating tunnel with the source. 1635 * Note: This code assumes that the remote site IP address 1636 * uniquely identifies the tunnel (i.e., that this site has 1637 * at most one tunnel with the remote site). --- 478 unchanged lines hidden (view full) --- 2116 } 2117 } 2118 2119 splx(s); 2120 return; 2121} 2122 2123void |
| 2122rsvp_input(m, iphlen) | 2124rsvp_input(m, off, proto) |
| 2123 struct mbuf *m; | 2125 struct mbuf *m; |
| 2124 int iphlen; | 2126 int off; 2127 int proto; |
| 2125{ 2126 int vifi; 2127 register struct ip *ip = mtod(m, struct ip *); 2128 static struct sockaddr_in rsvp_src = { sizeof rsvp_src, AF_INET }; 2129 register int s; 2130 struct ifnet *ifp; 2131 2132 if (rsvpdebug) --- 9 unchanged lines hidden (view full) --- 2142 } 2143 2144 /* If the old-style non-vif-associated socket is set, then use 2145 * it and ignore the new ones. 2146 */ 2147 if (ip_rsvpd != NULL) { 2148 if (rsvpdebug) 2149 printf("rsvp_input: Sending packet up old-style socket\n"); | 2128{ 2129 int vifi; 2130 register struct ip *ip = mtod(m, struct ip *); 2131 static struct sockaddr_in rsvp_src = { sizeof rsvp_src, AF_INET }; 2132 register int s; 2133 struct ifnet *ifp; 2134 2135 if (rsvpdebug) --- 9 unchanged lines hidden (view full) --- 2145 } 2146 2147 /* If the old-style non-vif-associated socket is set, then use 2148 * it and ignore the new ones. 2149 */ 2150 if (ip_rsvpd != NULL) { 2151 if (rsvpdebug) 2152 printf("rsvp_input: Sending packet up old-style socket\n"); |
| 2150 rip_input(m, iphlen); | 2153 rip_input(m, off, proto); /* xxx */ |
| 2151 return; 2152 } 2153 2154 s = splnet(); 2155 2156 if (rsvpdebug) 2157 printf("rsvp_input: check vifs\n"); 2158 --- 123 unchanged lines hidden --- | 2154 return; 2155 } 2156 2157 s = splnet(); 2158 2159 if (rsvpdebug) 2160 printf("rsvp_input: check vifs\n"); 2161 --- 123 unchanged lines hidden --- |