| version 1.229.2.1, 2006/11/18 21:39:36 |
version 1.229.2.2, 2007/01/12 01:04:14 |
|
|
| int s; |
int s; |
| struct mbuf *m; |
struct mbuf *m; |
| |
|
| while (1) { |
while (!IF_IS_EMPTY(&ipintrq)) { |
| s = splnet(); |
s = splnet(); |
| IF_DEQUEUE(&ipintrq, m); |
IF_DEQUEUE(&ipintrq, m); |
| splx(s); |
splx(s); |
| Line 1679 ip_rtaddr(struct in_addr dst) |
|
| Line 1679 ip_rtaddr(struct in_addr dst) |
|
| |
|
| sin = satosin(&ipforward_rt.ro_dst); |
sin = satosin(&ipforward_rt.ro_dst); |
| |
|
| if (ipforward_rt.ro_rt == 0 || !in_hosteq(dst, sin->sin_addr)) { |
if (!in_hosteq(dst, sin->sin_addr)) |
| if (ipforward_rt.ro_rt) { |
rtcache_free(&ipforward_rt); |
| RTFREE(ipforward_rt.ro_rt); |
else |
| ipforward_rt.ro_rt = 0; |
rtcache_check(&ipforward_rt); |
| } |
if (ipforward_rt.ro_rt == NULL) { |
| sin->sin_family = AF_INET; |
sin->sin_family = AF_INET; |
| sin->sin_len = sizeof(*sin); |
sin->sin_len = sizeof(*sin); |
| sin->sin_addr = dst; |
sin->sin_addr = dst; |
| |
|
| rtalloc(&ipforward_rt); |
rtcache_init(&ipforward_rt); |
| |
if (ipforward_rt.ro_rt == NULL) |
| |
return NULL; |
| } |
} |
| if (ipforward_rt.ro_rt == 0) |
|
| return ((struct in_ifaddr *)0); |
|
| return (ifatoia(ipforward_rt.ro_rt->rt_ifa)); |
return (ifatoia(ipforward_rt.ro_rt->rt_ifa)); |
| } |
} |
| |
|
| Line 1728 ip_srcroute(void) |
|
| Line 1728 ip_srcroute(void) |
|
| struct mbuf *m; |
struct mbuf *m; |
| |
|
| if (ip_nhops == 0) |
if (ip_nhops == 0) |
| return ((struct mbuf *)0); |
return NULL; |
| m = m_get(M_DONTWAIT, MT_SOOPTS); |
m = m_get(M_DONTWAIT, MT_SOOPTS); |
| if (m == 0) |
if (m == 0) |
| return ((struct mbuf *)0); |
return NULL; |
| |
|
| MCLAIM(m, &inetdomain.dom_mowner); |
MCLAIM(m, &inetdomain.dom_mowner); |
| #define OPTSIZ (sizeof(ip_srcrt.nop) + sizeof(ip_srcrt.srcopt)) |
#define OPTSIZ (sizeof(ip_srcrt.nop) + sizeof(ip_srcrt.srcopt)) |
| Line 1873 ip_forward(struct mbuf *m, int srcrt) |
|
| Line 1873 ip_forward(struct mbuf *m, int srcrt) |
|
| } |
} |
| |
|
| sin = satosin(&ipforward_rt.ro_dst); |
sin = satosin(&ipforward_rt.ro_dst); |
| if ((rt = ipforward_rt.ro_rt) == 0 || |
if (!in_hosteq(ip->ip_dst, sin->sin_addr)) |
| !in_hosteq(ip->ip_dst, sin->sin_addr)) { |
rtcache_free(&ipforward_rt); |
| if (ipforward_rt.ro_rt) { |
else |
| RTFREE(ipforward_rt.ro_rt); |
rtcache_check(&ipforward_rt); |
| ipforward_rt.ro_rt = 0; |
if (ipforward_rt.ro_rt == NULL) { |
| } |
|
| sin->sin_family = AF_INET; |
sin->sin_family = AF_INET; |
| sin->sin_len = sizeof(struct sockaddr_in); |
sin->sin_len = sizeof(struct sockaddr_in); |
| sin->sin_addr = ip->ip_dst; |
sin->sin_addr = ip->ip_dst; |
| |
|
| rtalloc(&ipforward_rt); |
rtcache_init(&ipforward_rt); |
| if (ipforward_rt.ro_rt == 0) { |
if (ipforward_rt.ro_rt == NULL) { |
| icmp_error(m, ICMP_UNREACH, ICMP_UNREACH_NET, dest, 0); |
icmp_error(m, ICMP_UNREACH, ICMP_UNREACH_NET, dest, 0); |
| return; |
return; |
| } |
} |
| rt = ipforward_rt.ro_rt; |
|
| } |
} |
| |
rt = ipforward_rt.ro_rt; |
| |
|
| /* |
/* |
| * Save at most 68 bytes of the packet in case |
* Save at most 68 bytes of the packet in case |
| Line 1935 ip_forward(struct mbuf *m, int srcrt) |
|
| Line 1934 ip_forward(struct mbuf *m, int srcrt) |
|
| } |
} |
| } |
} |
| |
|
| error = ip_output(m, (struct mbuf *)0, &ipforward_rt, |
error = ip_output(m, NULL, &ipforward_rt, |
| (IP_FORWARDING | (ip_directedbcast ? IP_ALLOWBROADCAST : 0)), |
(IP_FORWARDING | (ip_directedbcast ? IP_ALLOWBROADCAST : 0)), |
| (struct ip_moptions *)NULL, (struct socket *)NULL); |
(struct ip_moptions *)NULL, (struct socket *)NULL); |
| |
|
| Line 1978 ip_forward(struct mbuf *m, int srcrt) |
|
| Line 1977 ip_forward(struct mbuf *m, int srcrt) |
|
| type = ICMP_UNREACH; |
type = ICMP_UNREACH; |
| code = ICMP_UNREACH_NEEDFRAG; |
code = ICMP_UNREACH_NEEDFRAG; |
| #if !defined(IPSEC) && !defined(FAST_IPSEC) |
#if !defined(IPSEC) && !defined(FAST_IPSEC) |
| if (ipforward_rt.ro_rt) |
if (ipforward_rt.ro_rt != NULL) |
| destmtu = ipforward_rt.ro_rt->rt_ifp->if_mtu; |
destmtu = ipforward_rt.ro_rt->rt_ifp->if_mtu; |
| #else |
#else |
| /* |
/* |
| Line 1987 ip_forward(struct mbuf *m, int srcrt) |
|
| Line 1986 ip_forward(struct mbuf *m, int srcrt) |
|
| * tunnel MTU = if MTU - sizeof(IP) - ESP/AH hdrsiz |
* tunnel MTU = if MTU - sizeof(IP) - ESP/AH hdrsiz |
| * XXX quickhack!!! |
* XXX quickhack!!! |
| */ |
*/ |
| if (ipforward_rt.ro_rt) { |
if (ipforward_rt.ro_rt != NULL) { |
| struct secpolicy *sp; |
struct secpolicy *sp; |
| int ipsecerror; |
int ipsecerror; |
| size_t ipsechdr; |
size_t ipsechdr; |