version 1.251, 2007/08/10 22:46:16 |
version 1.264, 2008/04/07 06:31:28 |
Line 230 u_long in_multihash; /* size of hash |
|
Line 230 u_long in_multihash; /* size of hash |
|
int in_multientries; /* total number of addrs */ |
int in_multientries; /* total number of addrs */ |
struct in_multihashhead *in_multihashtbl; |
struct in_multihashhead *in_multihashtbl; |
struct ifqueue ipintrq; |
struct ifqueue ipintrq; |
struct ipstat ipstat; |
uint64_t ipstat[IP_NSTATS]; |
uint16_t ip_id; |
uint16_t ip_id; |
|
|
#ifdef PFIL_HOOKS |
#ifdef PFIL_HOOKS |
|
|
for (i = 0; i < IPREASS_NHASH; i++) |
for (i = 0; i < IPREASS_NHASH; i++) |
LIST_INIT(&ipq[i]); |
LIST_INIT(&ipq[i]); |
|
|
|
ip_initid(); |
ip_id = time_second & 0xfffff; |
ip_id = time_second & 0xfffff; |
|
|
ipintrq.ifq_maxlen = ipqmaxlen; |
ipintrq.ifq_maxlen = ipqmaxlen; |
|
|
splx(s); |
splx(s); |
if (m == 0) |
if (m == 0) |
return; |
return; |
MCLAIM(m, &ip_rx_mowner); |
|
ip_input(m); |
ip_input(m); |
} |
} |
} |
} |
Line 511 ip_input(struct mbuf *m) |
|
Line 511 ip_input(struct mbuf *m) |
|
*/ |
*/ |
if (TAILQ_FIRST(&in_ifaddrhead) == 0) |
if (TAILQ_FIRST(&in_ifaddrhead) == 0) |
goto bad; |
goto bad; |
ipstat.ips_total++; |
ipstat[IP_STAT_TOTAL]++; |
/* |
/* |
* If the IP header is not aligned, slurp it up into a new |
* If the IP header is not aligned, slurp it up into a new |
* mbuf with space for link headers, in the event we forward |
* mbuf with space for link headers, in the event we forward |
Line 522 ip_input(struct mbuf *m) |
|
Line 522 ip_input(struct mbuf *m) |
|
if ((m = m_copyup(m, sizeof(struct ip), |
if ((m = m_copyup(m, sizeof(struct ip), |
(max_linkhdr + 3) & ~3)) == NULL) { |
(max_linkhdr + 3) & ~3)) == NULL) { |
/* XXXJRT new stat, please */ |
/* XXXJRT new stat, please */ |
ipstat.ips_toosmall++; |
ipstat[IP_STAT_TOOSMALL]++; |
return; |
return; |
} |
} |
} else if (__predict_false(m->m_len < sizeof (struct ip))) { |
} else if (__predict_false(m->m_len < sizeof (struct ip))) { |
if ((m = m_pullup(m, sizeof (struct ip))) == NULL) { |
if ((m = m_pullup(m, sizeof (struct ip))) == NULL) { |
ipstat.ips_toosmall++; |
ipstat[IP_STAT_TOOSMALL]++; |
return; |
return; |
} |
} |
} |
} |
ip = mtod(m, struct ip *); |
ip = mtod(m, struct ip *); |
if (ip->ip_v != IPVERSION) { |
if (ip->ip_v != IPVERSION) { |
ipstat.ips_badvers++; |
ipstat[IP_STAT_BADVERS]++; |
goto bad; |
goto bad; |
} |
} |
hlen = ip->ip_hl << 2; |
hlen = ip->ip_hl << 2; |
if (hlen < sizeof(struct ip)) { /* minimum header length */ |
if (hlen < sizeof(struct ip)) { /* minimum header length */ |
ipstat.ips_badhlen++; |
ipstat[IP_STAT_BADHLEN]++; |
goto bad; |
goto bad; |
} |
} |
if (hlen > m->m_len) { |
if (hlen > m->m_len) { |
if ((m = m_pullup(m, hlen)) == 0) { |
if ((m = m_pullup(m, hlen)) == 0) { |
ipstat.ips_badhlen++; |
ipstat[IP_STAT_BADHLEN]++; |
return; |
return; |
} |
} |
ip = mtod(m, struct ip *); |
ip = mtod(m, struct ip *); |
Line 554 ip_input(struct mbuf *m) |
|
Line 554 ip_input(struct mbuf *m) |
|
* not allowed. |
* not allowed. |
*/ |
*/ |
if (IN_MULTICAST(ip->ip_src.s_addr)) { |
if (IN_MULTICAST(ip->ip_src.s_addr)) { |
ipstat.ips_badaddr++; |
ipstat[IP_STAT_BADADDR]++; |
goto bad; |
goto bad; |
} |
} |
|
|
Line 562 ip_input(struct mbuf *m) |
|
Line 562 ip_input(struct mbuf *m) |
|
if ((ntohl(ip->ip_dst.s_addr) >> IN_CLASSA_NSHIFT) == IN_LOOPBACKNET || |
if ((ntohl(ip->ip_dst.s_addr) >> IN_CLASSA_NSHIFT) == IN_LOOPBACKNET || |
(ntohl(ip->ip_src.s_addr) >> IN_CLASSA_NSHIFT) == IN_LOOPBACKNET) { |
(ntohl(ip->ip_src.s_addr) >> IN_CLASSA_NSHIFT) == IN_LOOPBACKNET) { |
if ((m->m_pkthdr.rcvif->if_flags & IFF_LOOPBACK) == 0) { |
if ((m->m_pkthdr.rcvif->if_flags & IFF_LOOPBACK) == 0) { |
ipstat.ips_badaddr++; |
ipstat[IP_STAT_BADADDR]++; |
goto bad; |
goto bad; |
} |
} |
} |
} |
Line 600 ip_input(struct mbuf *m) |
|
Line 600 ip_input(struct mbuf *m) |
|
* Check for additional length bogosity |
* Check for additional length bogosity |
*/ |
*/ |
if (len < hlen) { |
if (len < hlen) { |
ipstat.ips_badlen++; |
ipstat[IP_STAT_BADLEN]++; |
goto bad; |
goto bad; |
} |
} |
|
|
Line 611 ip_input(struct mbuf *m) |
|
Line 611 ip_input(struct mbuf *m) |
|
* Drop packet if shorter than we expect. |
* Drop packet if shorter than we expect. |
*/ |
*/ |
if (m->m_pkthdr.len < len) { |
if (m->m_pkthdr.len < len) { |
ipstat.ips_tooshort++; |
ipstat[IP_STAT_TOOSHORT]++; |
goto bad; |
goto bad; |
} |
} |
if (m->m_pkthdr.len > len) { |
if (m->m_pkthdr.len > len) { |
Line 780 ip_input(struct mbuf *m) |
|
Line 780 ip_input(struct mbuf *m) |
|
* ip_output().) |
* ip_output().) |
*/ |
*/ |
if (ip_mforward(m, m->m_pkthdr.rcvif) != 0) { |
if (ip_mforward(m, m->m_pkthdr.rcvif) != 0) { |
ipstat.ips_cantforward++; |
ipstat[IP_STAT_CANTFORWARD]++; |
m_freem(m); |
m_freem(m); |
return; |
return; |
} |
} |
Line 792 ip_input(struct mbuf *m) |
|
Line 792 ip_input(struct mbuf *m) |
|
*/ |
*/ |
if (ip->ip_p == IPPROTO_IGMP) |
if (ip->ip_p == IPPROTO_IGMP) |
goto ours; |
goto ours; |
ipstat.ips_forward++; |
ipstat[IP_STAT_CANTFORWARD]++; |
} |
} |
#endif |
#endif |
/* |
/* |
Line 801 ip_input(struct mbuf *m) |
|
Line 801 ip_input(struct mbuf *m) |
|
*/ |
*/ |
IN_LOOKUP_MULTI(ip->ip_dst, m->m_pkthdr.rcvif, inm); |
IN_LOOKUP_MULTI(ip->ip_dst, m->m_pkthdr.rcvif, inm); |
if (inm == NULL) { |
if (inm == NULL) { |
ipstat.ips_cantforward++; |
ipstat[IP_STAT_CANTFORWARD]++; |
m_freem(m); |
m_freem(m); |
return; |
return; |
} |
} |
Line 815 ip_input(struct mbuf *m) |
|
Line 815 ip_input(struct mbuf *m) |
|
* Not for us; forward if possible and desirable. |
* Not for us; forward if possible and desirable. |
*/ |
*/ |
if (ipforwarding == 0) { |
if (ipforwarding == 0) { |
ipstat.ips_cantforward++; |
ipstat[IP_STAT_CANTFORWARD]++; |
m_freem(m); |
m_freem(m); |
} else { |
} else { |
/* |
/* |
Line 826 ip_input(struct mbuf *m) |
|
Line 826 ip_input(struct mbuf *m) |
|
*/ |
*/ |
if (downmatch) { |
if (downmatch) { |
icmp_error(m, ICMP_UNREACH, ICMP_UNREACH_HOST, 0, 0); |
icmp_error(m, ICMP_UNREACH, ICMP_UNREACH_HOST, 0, 0); |
ipstat.ips_cantforward++; |
ipstat[IP_STAT_CANTFORWARD]++; |
return; |
return; |
} |
} |
#ifdef IPSEC |
#ifdef IPSEC |
Line 859 ip_input(struct mbuf *m) |
|
Line 859 ip_input(struct mbuf *m) |
|
KEY_FREESP(&sp); |
KEY_FREESP(&sp); |
splx(s); |
splx(s); |
if (error) { |
if (error) { |
ipstat.ips_cantforward++; |
ipstat[IP_STAT_CANTFORWARD]++; |
goto bad; |
goto bad; |
} |
} |
|
|
|
|
* but it's not worth the time; just let them time out.) |
* but it's not worth the time; just let them time out.) |
*/ |
*/ |
if (ip->ip_off & ~htons(IP_DF|IP_RF)) { |
if (ip->ip_off & ~htons(IP_DF|IP_RF)) { |
|
uint16_t off; |
|
/* |
|
* Prevent TCP blind data attacks by not allowing non-initial |
|
* fragments to start at less than 68 bytes (minimal fragment |
|
* size) and making sure the first fragment is at least 68 |
|
* bytes. |
|
*/ |
|
off = (ntohs(ip->ip_off) & IP_OFFMASK) << 3; |
|
if ((off > 0 ? off + hlen : len) < IP_MINFRAGSIZE - 1) { |
|
ipstat[IP_STAT_BADFRAGS]++; |
|
goto bad; |
|
} |
/* |
/* |
* Look for queue of fragments |
* Look for queue of fragments |
* of this datagram. |
* of this datagram. |
|
|
if (ip->ip_id == fp->ipq_id && |
if (ip->ip_id == fp->ipq_id && |
in_hosteq(ip->ip_src, fp->ipq_src) && |
in_hosteq(ip->ip_src, fp->ipq_src) && |
in_hosteq(ip->ip_dst, fp->ipq_dst) && |
in_hosteq(ip->ip_dst, fp->ipq_dst) && |
ip->ip_p == fp->ipq_p) |
ip->ip_p == fp->ipq_p) { |
|
/* |
|
* Make sure the TOS is matches previous |
|
* fragments. |
|
*/ |
|
if (ip->ip_tos != fp->ipq_tos) { |
|
ipstat[IP_STAT_BADFRAGS]++; |
|
goto bad; |
|
} |
goto found; |
goto found; |
|
} |
} |
} |
fp = 0; |
fp = 0; |
found: |
found: |
|
|
*/ |
*/ |
if (ntohs(ip->ip_len) == 0 || |
if (ntohs(ip->ip_len) == 0 || |
(ntohs(ip->ip_len) & 0x7) != 0) { |
(ntohs(ip->ip_len) & 0x7) != 0) { |
ipstat.ips_badfrags++; |
ipstat[IP_STAT_BADFRAGS]++; |
IPQ_UNLOCK(); |
IPQ_UNLOCK(); |
goto bad; |
goto bad; |
} |
} |
|
|
* attempt reassembly; if it succeeds, proceed. |
* attempt reassembly; if it succeeds, proceed. |
*/ |
*/ |
if (mff || ip->ip_off != htons(0)) { |
if (mff || ip->ip_off != htons(0)) { |
ipstat.ips_fragments++; |
ipstat[IP_STAT_FRAGMENTS]++; |
s = splvm(); |
s = splvm(); |
ipqe = pool_get(&ipqent_pool, PR_NOWAIT); |
ipqe = pool_get(&ipqent_pool, PR_NOWAIT); |
splx(s); |
splx(s); |
if (ipqe == NULL) { |
if (ipqe == NULL) { |
ipstat.ips_rcvmemdrop++; |
ipstat[IP_STAT_RCVMEMDROP]++; |
IPQ_UNLOCK(); |
IPQ_UNLOCK(); |
goto bad; |
goto bad; |
} |
} |
|
|
IPQ_UNLOCK(); |
IPQ_UNLOCK(); |
return; |
return; |
} |
} |
ipstat.ips_reassembled++; |
ipstat[IP_STAT_REASSEMBLED]++; |
ip = mtod(m, struct ip *); |
ip = mtod(m, struct ip *); |
hlen = ip->ip_hl << 2; |
hlen = ip->ip_hl << 2; |
ip->ip_len = htons(ntohs(ip->ip_len) + hlen); |
ip->ip_len = htons(ntohs(ip->ip_len) + hlen); |
|
|
/* XXX error stat??? */ |
/* XXX error stat??? */ |
error = EINVAL; |
error = EINVAL; |
DPRINTF(("ip_input: no SP, packet discarded\n"));/*XXX*/ |
DPRINTF(("ip_input: no SP, packet discarded\n"));/*XXX*/ |
goto bad; |
|
} |
} |
splx(s); |
splx(s); |
if (error) |
if (error) |
Line 1028 DPRINTF(("ip_input: no SP, packet discar |
|
Line 1046 DPRINTF(("ip_input: no SP, packet discar |
|
if (ia && ip) |
if (ia && ip) |
ia->ia_ifa.ifa_data.ifad_inbytes += ntohs(ip->ip_len); |
ia->ia_ifa.ifa_data.ifad_inbytes += ntohs(ip->ip_len); |
#endif |
#endif |
ipstat.ips_delivered++; |
ipstat[IP_STAT_DELIVERED]++; |
{ |
{ |
int off = hlen, nh = ip->ip_p; |
int off = hlen, nh = ip->ip_p; |
|
|
|
|
return; |
return; |
|
|
badcsum: |
badcsum: |
ipstat.ips_badsum++; |
ipstat[IP_STAT_BADSUM]++; |
m_freem(m); |
m_freem(m); |
} |
} |
|
|
Line 1107 ip_reass(struct ipqent *ipqe, struct ipq |
|
Line 1125 ip_reass(struct ipqent *ipqe, struct ipq |
|
fp->ipq_ttl = IPFRAGTTL; |
fp->ipq_ttl = IPFRAGTTL; |
fp->ipq_p = ipqe->ipqe_ip->ip_p; |
fp->ipq_p = ipqe->ipqe_ip->ip_p; |
fp->ipq_id = ipqe->ipqe_ip->ip_id; |
fp->ipq_id = ipqe->ipqe_ip->ip_id; |
|
fp->ipq_tos = ipqe->ipqe_ip->ip_tos; |
TAILQ_INIT(&fp->ipq_fragq); |
TAILQ_INIT(&fp->ipq_fragq); |
fp->ipq_src = ipqe->ipqe_ip->ip_src; |
fp->ipq_src = ipqe->ipqe_ip->ip_src; |
fp->ipq_dst = ipqe->ipqe_ip->ip_dst; |
fp->ipq_dst = ipqe->ipqe_ip->ip_dst; |
|
|
q = TAILQ_FIRST(&fp->ipq_fragq); |
q = TAILQ_FIRST(&fp->ipq_fragq); |
ip = q->ipqe_ip; |
ip = q->ipqe_ip; |
if ((next + (ip->ip_hl << 2)) > IP_MAXPACKET) { |
if ((next + (ip->ip_hl << 2)) > IP_MAXPACKET) { |
ipstat.ips_toolong++; |
ipstat[IP_STAT_TOOLONG]++; |
ip_freef(fp); |
ip_freef(fp); |
return (0); |
return (0); |
} |
} |
|
|
if (fp != 0) |
if (fp != 0) |
fp->ipq_nfrags--; |
fp->ipq_nfrags--; |
ip_nfrags--; |
ip_nfrags--; |
ipstat.ips_fragdropped++; |
ipstat[IP_STAT_FRAGDROPPED]++; |
m_freem(m); |
m_freem(m); |
s = splvm(); |
s = splvm(); |
pool_put(&ipqent_pool, ipqe); |
pool_put(&ipqent_pool, ipqe); |
Line 1314 ip_reass_ttl_decr(u_int ticks) |
|
Line 1333 ip_reass_ttl_decr(u_int ticks) |
|
0 : fp->ipq_ttl - ticks); |
0 : fp->ipq_ttl - ticks); |
nfp = LIST_NEXT(fp, ipq_q); |
nfp = LIST_NEXT(fp, ipq_q); |
if (fp->ipq_ttl == 0) { |
if (fp->ipq_ttl == 0) { |
ipstat.ips_fragtimeout++; |
ipstat[IP_STAT_FRAGTIMEOUT]++; |
ip_freef(fp); |
ip_freef(fp); |
} else { |
} else { |
nfrags += fp->ipq_nfrags; |
nfrags += fp->ipq_nfrags; |
Line 1661 ip_dooptions(struct mbuf *m) |
|
Line 1680 ip_dooptions(struct mbuf *m) |
|
return (0); |
return (0); |
bad: |
bad: |
icmp_error(m, type, code, 0, 0); |
icmp_error(m, type, code, 0, 0); |
ipstat.ips_badoptions++; |
ipstat[IP_STAT_BADOPTIONS]++; |
return (1); |
return (1); |
} |
} |
|
|
Line 1777 ip_srcroute(void) |
|
Line 1796 ip_srcroute(void) |
|
return (m); |
return (m); |
} |
} |
|
|
/* |
|
* Strip out IP options, at higher |
|
* level protocol in the kernel. |
|
* Second argument is buffer to which options |
|
* will be moved, and return value is their length. |
|
* XXX should be deleted; last arg currently ignored. |
|
*/ |
|
void |
|
ip_stripoptions(struct mbuf *m, struct mbuf *mopt) |
|
{ |
|
int i; |
|
struct ip *ip = mtod(m, struct ip *); |
|
void *opts; |
|
int olen; |
|
|
|
olen = (ip->ip_hl << 2) - sizeof (struct ip); |
|
opts = (void *)(ip + 1); |
|
i = m->m_len - (sizeof (struct ip) + olen); |
|
memmove(opts, (char *)opts + olen, (unsigned)i); |
|
m->m_len -= olen; |
|
if (m->m_flags & M_PKTHDR) |
|
m->m_pkthdr.len -= olen; |
|
ip->ip_len = htons(ntohs(ip->ip_len) - olen); |
|
ip->ip_hl = sizeof (struct ip) >> 2; |
|
} |
|
|
|
const int inetctlerrmap[PRC_NCMDS] = { |
const int inetctlerrmap[PRC_NCMDS] = { |
0, 0, 0, 0, |
[PRC_MSGSIZE] = EMSGSIZE, |
0, EMSGSIZE, EHOSTDOWN, EHOSTUNREACH, |
[PRC_HOSTDEAD] = EHOSTDOWN, |
EHOSTUNREACH, EHOSTUNREACH, ECONNREFUSED, ECONNREFUSED, |
[PRC_HOSTUNREACH] = EHOSTUNREACH, |
EMSGSIZE, EHOSTUNREACH, 0, 0, |
[PRC_UNREACH_NET] = EHOSTUNREACH, |
0, 0, 0, 0, |
[PRC_UNREACH_HOST] = EHOSTUNREACH, |
ENOPROTOOPT |
[PRC_UNREACH_PROTOCOL] = ECONNREFUSED, |
|
[PRC_UNREACH_PORT] = ECONNREFUSED, |
|
[PRC_UNREACH_SRCFAIL] = EHOSTUNREACH, |
|
[PRC_PARAMPROB] = ENOPROTOOPT, |
}; |
}; |
|
|
/* |
/* |
Line 1857 ip_forward(struct mbuf *m, int srcrt) |
|
Line 1853 ip_forward(struct mbuf *m, int srcrt) |
|
} |
} |
#endif |
#endif |
if (m->m_flags & (M_BCAST|M_MCAST) || in_canforward(ip->ip_dst) == 0) { |
if (m->m_flags & (M_BCAST|M_MCAST) || in_canforward(ip->ip_dst) == 0) { |
ipstat.ips_cantforward++; |
ipstat[IP_STAT_CANTFORWARD]++; |
m_freem(m); |
m_freem(m); |
return; |
return; |
} |
} |
Line 1921 ip_forward(struct mbuf *m, int srcrt) |
|
Line 1917 ip_forward(struct mbuf *m, int srcrt) |
|
(struct ip_moptions *)NULL, (struct socket *)NULL); |
(struct ip_moptions *)NULL, (struct socket *)NULL); |
|
|
if (error) |
if (error) |
ipstat.ips_cantforward++; |
ipstat[IP_STAT_CANTFORWARD]++; |
else { |
else { |
ipstat.ips_forward++; |
ipstat[IP_STAT_FORWARD]++; |
if (type) |
if (type) |
ipstat.ips_redirectsent++; |
ipstat[IP_STAT_REDIRECTSENT]++; |
else { |
else { |
if (mcopy) { |
if (mcopy) { |
#ifdef GATEWAY |
#ifdef GATEWAY |
Line 1958 ip_forward(struct mbuf *m, int srcrt) |
|
Line 1954 ip_forward(struct mbuf *m, int srcrt) |
|
case EMSGSIZE: |
case EMSGSIZE: |
type = ICMP_UNREACH; |
type = ICMP_UNREACH; |
code = ICMP_UNREACH_NEEDFRAG; |
code = ICMP_UNREACH_NEEDFRAG; |
#if !defined(IPSEC) && !defined(FAST_IPSEC) |
|
if (ipforward_rt.ro_rt != NULL) |
if ((rt = rtcache_validate(&ipforward_rt)) != NULL) { |
destmtu = ipforward_rt.ro_rt->rt_ifp->if_mtu; |
|
#else |
#if defined(IPSEC) || defined(FAST_IPSEC) |
/* |
/* |
* If the packet is routed over IPsec tunnel, tell the |
* If the packet is routed over IPsec tunnel, tell the |
* originator the tunnel MTU. |
* originator the tunnel MTU. |
* 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 != NULL) { |
|
struct secpolicy *sp; |
struct secpolicy *sp; |
int ipsecerror; |
int ipsecerror; |
size_t ipsechdr; |
size_t ipsechdr; |
Line 1977 ip_forward(struct mbuf *m, int srcrt) |
|
Line 1973 ip_forward(struct mbuf *m, int srcrt) |
|
sp = ipsec4_getpolicybyaddr(mcopy, |
sp = ipsec4_getpolicybyaddr(mcopy, |
IPSEC_DIR_OUTBOUND, IP_FORWARDING, |
IPSEC_DIR_OUTBOUND, IP_FORWARDING, |
&ipsecerror); |
&ipsecerror); |
|
#endif |
|
|
if (sp == NULL) |
destmtu = rt->rt_ifp->if_mtu; |
destmtu = ipforward_rt.ro_rt->rt_ifp->if_mtu; |
#if defined(IPSEC) || defined(FAST_IPSEC) |
else { |
if (sp != NULL) { |
/* count IPsec header size */ |
/* count IPsec header size */ |
ipsechdr = ipsec4_hdrsiz(mcopy, |
ipsechdr = ipsec4_hdrsiz(mcopy, |
IPSEC_DIR_OUTBOUND, NULL); |
IPSEC_DIR_OUTBOUND, NULL); |
Line 1994 ip_forward(struct mbuf *m, int srcrt) |
|
Line 1991 ip_forward(struct mbuf *m, int srcrt) |
|
&& sp->req->sav != NULL |
&& sp->req->sav != NULL |
&& sp->req->sav->sah != NULL) { |
&& sp->req->sav->sah != NULL) { |
ro = &sp->req->sav->sah->sa_route; |
ro = &sp->req->sav->sah->sa_route; |
if (ro->ro_rt && ro->ro_rt->rt_ifp) { |
if (rt && rt->rt_ifp) { |
destmtu = |
destmtu = |
ro->ro_rt->rt_rmx.rmx_mtu ? |
rt->rt_rmx.rmx_mtu ? |
ro->ro_rt->rt_rmx.rmx_mtu : |
rt->rt_rmx.rmx_mtu : |
ro->ro_rt->rt_ifp->if_mtu; |
rt->rt_ifp->if_mtu; |
destmtu -= ipsechdr; |
destmtu -= ipsechdr; |
} |
} |
} |
} |
Line 2009 ip_forward(struct mbuf *m, int srcrt) |
|
Line 2006 ip_forward(struct mbuf *m, int srcrt) |
|
KEY_FREESP(&sp); |
KEY_FREESP(&sp); |
#endif |
#endif |
} |
} |
|
#endif /*defined(IPSEC) || defined(FAST_IPSEC)*/ |
} |
} |
#endif /*IPSEC*/ |
ipstat[IP_STAT_CANTFRAG]++; |
ipstat.ips_cantfrag++; |
|
break; |
break; |
|
|
case ENOBUFS: |
case ENOBUFS: |
Line 2079 ip_savecontrol(struct inpcb *inp, struct |
|
Line 2076 ip_savecontrol(struct inpcb *inp, struct |
|
if (inp->inp_flags & INP_RECVIF) { |
if (inp->inp_flags & INP_RECVIF) { |
struct sockaddr_dl sdl; |
struct sockaddr_dl sdl; |
|
|
sockaddr_dl_init(&sdl, (m->m_pkthdr.rcvif != NULL) ? |
sockaddr_dl_init(&sdl, sizeof(sdl), |
m->m_pkthdr.rcvif->if_index : 0, 0, NULL, 0, NULL, 0); |
(m->m_pkthdr.rcvif != NULL) |
|
? m->m_pkthdr.rcvif->if_index |
|
: 0, |
|
0, NULL, 0, NULL, 0); |
*mp = sbcreatecontrol(&sdl, sdl.sdl_len, IP_RECVIF, IPPROTO_IP); |
*mp = sbcreatecontrol(&sdl, sdl.sdl_len, IP_RECVIF, IPPROTO_IP); |
if (*mp) |
if (*mp) |
mp = &(*mp)->m_next; |
mp = &(*mp)->m_next; |
Line 2391 SYSCTL_SETUP(sysctl_net_inet_ip_setup, " |
|
Line 2391 SYSCTL_SETUP(sysctl_net_inet_ip_setup, " |
|
CTLFLAG_PERMANENT, |
CTLFLAG_PERMANENT, |
CTLTYPE_STRUCT, "stats", |
CTLTYPE_STRUCT, "stats", |
SYSCTL_DESCR("IP statistics"), |
SYSCTL_DESCR("IP statistics"), |
NULL, 0, &ipstat, sizeof(ipstat), |
NULL, 0, ipstat, sizeof(ipstat), |
CTL_NET, PF_INET, IPPROTO_IP, IPCTL_STATS, |
CTL_NET, PF_INET, IPPROTO_IP, IPCTL_STATS, |
CTL_EOL); |
CTL_EOL); |
} |
} |