version 1.239, 2006/12/09 05:33:04 |
version 1.251.2.2, 2008/01/09 01:57:27 |
|
|
|
|
#define IPQ_UNLOCK() ipq_unlock() |
#define IPQ_UNLOCK() ipq_unlock() |
|
|
POOL_INIT(inmulti_pool, sizeof(struct in_multi), 0, 0, 0, "inmltpl", NULL); |
POOL_INIT(inmulti_pool, sizeof(struct in_multi), 0, 0, 0, "inmltpl", NULL, |
POOL_INIT(ipqent_pool, sizeof(struct ipqent), 0, 0, 0, "ipqepl", NULL); |
IPL_SOFTNET); |
|
POOL_INIT(ipqent_pool, sizeof(struct ipqent), 0, 0, 0, "ipqepl", NULL, |
|
IPL_VM); |
|
|
#ifdef INET_CSUM_COUNTERS |
#ifdef INET_CSUM_COUNTERS |
#include <sys/device.h> |
#include <sys/device.h> |
|
|
M_WAITOK, &in_multihash); |
M_WAITOK, &in_multihash); |
ip_mtudisc_timeout_q = rt_timer_queue_create(ip_mtudisc_timeout); |
ip_mtudisc_timeout_q = rt_timer_queue_create(ip_mtudisc_timeout); |
#ifdef GATEWAY |
#ifdef GATEWAY |
ipflow_init(); |
ipflow_init(ip_hashsize); |
#endif |
#endif |
|
|
#ifdef PFIL_HOOKS |
#ifdef PFIL_HOOKS |
|
|
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); |
if (m == 0) |
if (m == 0) |
return; |
return; |
MCLAIM(m, &ip_rx_mowner); |
|
ip_input(m); |
ip_input(m); |
} |
} |
} |
} |
Line 516 ip_input(struct mbuf *m) |
|
Line 517 ip_input(struct mbuf *m) |
|
* it. Otherwise, if it is aligned, make sure the entire |
* it. Otherwise, if it is aligned, make sure the entire |
* base IP header is in the first mbuf of the chain. |
* base IP header is in the first mbuf of the chain. |
*/ |
*/ |
if (IP_HDR_ALIGNED_P(mtod(m, caddr_t)) == 0) { |
if (IP_HDR_ALIGNED_P(mtod(m, void *)) == 0) { |
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 */ |
|
|
* 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.ips_badfrags++; |
|
goto bad; |
|
} |
/* |
/* |
* Look for queue of fragments |
* Look for queue of fragments |
* of this datagram. |
* of this datagram. |
*/ |
*/ |
IPQ_LOCK(); |
IPQ_LOCK(); |
hash = IPREASS_HASH(ip->ip_src.s_addr, ip->ip_id); |
hash = IPREASS_HASH(ip->ip_src.s_addr, ip->ip_id); |
/* XXX LIST_FOREACH(fp, &ipq[hash], ipq_q) */ |
LIST_FOREACH(fp, &ipq[hash], ipq_q) { |
for (fp = LIST_FIRST(&ipq[hash]); fp != NULL; |
|
fp = LIST_NEXT(fp, ipq_q)) { |
|
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.ips_badfrags++; |
|
goto bad; |
|
} |
goto found; |
goto found; |
|
} |
} |
} |
fp = 0; |
fp = 0; |
found: |
found: |
|
|
/* 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 1107 ip_reass(struct ipqent *ipqe, struct ipq |
|
Line 1124 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; |
Line 1407 ip_slowtimo(void) |
|
Line 1425 ip_slowtimo(void) |
|
dropscanidx = i; |
dropscanidx = i; |
} |
} |
IPQ_UNLOCK(); |
IPQ_UNLOCK(); |
#ifdef GATEWAY |
|
ipflow_slowtimo(); |
|
#endif |
|
splx(s); |
splx(s); |
} |
} |
|
|
Line 1528 ip_dooptions(struct mbuf *m) |
|
Line 1543 ip_dooptions(struct mbuf *m) |
|
/* |
/* |
* locate outgoing interface |
* locate outgoing interface |
*/ |
*/ |
bcopy((caddr_t)(cp + off), (caddr_t)&ipaddr.sin_addr, |
bcopy((void *)(cp + off), (void *)&ipaddr.sin_addr, |
sizeof(ipaddr.sin_addr)); |
sizeof(ipaddr.sin_addr)); |
if (opt == IPOPT_SSRR) |
if (opt == IPOPT_SSRR) |
ia = ifatoia(ifa_ifwithladdr(sintosa(&ipaddr))); |
ia = ifatoia(ifa_ifwithladdr(sintosa(&ipaddr))); |
Line 1540 ip_dooptions(struct mbuf *m) |
|
Line 1555 ip_dooptions(struct mbuf *m) |
|
goto bad; |
goto bad; |
} |
} |
ip->ip_dst = ipaddr.sin_addr; |
ip->ip_dst = ipaddr.sin_addr; |
bcopy((caddr_t)&ia->ia_addr.sin_addr, |
bcopy((void *)&ia->ia_addr.sin_addr, |
(caddr_t)(cp + off), sizeof(struct in_addr)); |
(void *)(cp + off), sizeof(struct in_addr)); |
cp[IPOPT_OFFSET] += sizeof(struct in_addr); |
cp[IPOPT_OFFSET] += sizeof(struct in_addr); |
/* |
/* |
* Let ip_intr's mcast routing check handle mcast pkts |
* Let ip_intr's mcast routing check handle mcast pkts |
Line 1564 ip_dooptions(struct mbuf *m) |
|
Line 1579 ip_dooptions(struct mbuf *m) |
|
off--; /* 0 origin */ |
off--; /* 0 origin */ |
if ((off + sizeof(struct in_addr)) > optlen) |
if ((off + sizeof(struct in_addr)) > optlen) |
break; |
break; |
bcopy((caddr_t)(&ip->ip_dst), (caddr_t)&ipaddr.sin_addr, |
bcopy((void *)(&ip->ip_dst), (void *)&ipaddr.sin_addr, |
sizeof(ipaddr.sin_addr)); |
sizeof(ipaddr.sin_addr)); |
/* |
/* |
* locate outgoing interface; if we're the destination, |
* locate outgoing interface; if we're the destination, |
Line 1577 ip_dooptions(struct mbuf *m) |
|
Line 1592 ip_dooptions(struct mbuf *m) |
|
code = ICMP_UNREACH_HOST; |
code = ICMP_UNREACH_HOST; |
goto bad; |
goto bad; |
} |
} |
bcopy((caddr_t)&ia->ia_addr.sin_addr, |
bcopy((void *)&ia->ia_addr.sin_addr, |
(caddr_t)(cp + off), sizeof(struct in_addr)); |
(void *)(cp + off), sizeof(struct in_addr)); |
cp[IPOPT_OFFSET] += sizeof(struct in_addr); |
cp[IPOPT_OFFSET] += sizeof(struct in_addr); |
break; |
break; |
|
|
Line 1647 ip_dooptions(struct mbuf *m) |
|
Line 1662 ip_dooptions(struct mbuf *m) |
|
} |
} |
ntime = iptime(); |
ntime = iptime(); |
cp0 = (u_char *) &ntime; /* XXX grumble, GCC... */ |
cp0 = (u_char *) &ntime; /* XXX grumble, GCC... */ |
bcopy(cp0, (caddr_t)cp + ipt->ipt_ptr - 1, |
memmove((char *)cp + ipt->ipt_ptr - 1, cp0, |
sizeof(n_time)); |
sizeof(n_time)); |
ipt->ipt_ptr += sizeof(n_time); |
ipt->ipt_ptr += sizeof(n_time); |
} |
} |
|
|
struct in_ifaddr * |
struct in_ifaddr * |
ip_rtaddr(struct in_addr dst) |
ip_rtaddr(struct in_addr dst) |
{ |
{ |
struct sockaddr_in *sin; |
struct rtentry *rt; |
|
union { |
sin = satosin(&ipforward_rt.ro_dst); |
struct sockaddr dst; |
|
struct sockaddr_in dst4; |
|
} u; |
|
|
if (ipforward_rt.ro_rt == NULL || !in_hosteq(dst, sin->sin_addr)) { |
sockaddr_in_init(&u.dst4, &dst, 0); |
if (ipforward_rt.ro_rt != NULL) |
|
rtflush(&ipforward_rt); |
|
sin->sin_family = AF_INET; |
|
sin->sin_len = sizeof(*sin); |
|
sin->sin_addr = dst; |
|
|
|
rtalloc(&ipforward_rt); |
if ((rt = rtcache_lookup(&ipforward_rt, &u.dst)) == NULL) |
} |
|
if (ipforward_rt.ro_rt == NULL) |
|
return NULL; |
return NULL; |
return ifatoia(ipforward_rt.ro_rt->rt_ifa); |
|
|
return ifatoia(rt->rt_ifa); |
} |
} |
|
|
/* |
/* |
Line 1709 save_rte(u_char *option, struct in_addr |
|
Line 1720 save_rte(u_char *option, struct in_addr |
|
#endif /* 0 */ |
#endif /* 0 */ |
if (olen > sizeof(ip_srcrt) - (1 + sizeof(dst))) |
if (olen > sizeof(ip_srcrt) - (1 + sizeof(dst))) |
return; |
return; |
bcopy((caddr_t)option, (caddr_t)ip_srcrt.srcopt, olen); |
bcopy((void *)option, (void *)ip_srcrt.srcopt, olen); |
ip_nhops = (olen - IPOPT_OFFSET - 1) / sizeof(struct in_addr); |
ip_nhops = (olen - IPOPT_OFFSET - 1) / sizeof(struct in_addr); |
ip_srcrt.dst = dst; |
ip_srcrt.dst = dst; |
} |
} |
Line 1757 ip_srcroute(void) |
|
Line 1768 ip_srcroute(void) |
|
*/ |
*/ |
ip_srcrt.nop = IPOPT_NOP; |
ip_srcrt.nop = IPOPT_NOP; |
ip_srcrt.srcopt[IPOPT_OFFSET] = IPOPT_MINOFF; |
ip_srcrt.srcopt[IPOPT_OFFSET] = IPOPT_MINOFF; |
bcopy((caddr_t)&ip_srcrt.nop, |
memmove(mtod(m, char *) + sizeof(struct in_addr), &ip_srcrt.nop, |
mtod(m, caddr_t) + sizeof(struct in_addr), OPTSIZ); |
OPTSIZ); |
q = (struct in_addr *)(mtod(m, caddr_t) + |
q = (struct in_addr *)(mtod(m, char *) + |
sizeof(struct in_addr) + OPTSIZ); |
sizeof(struct in_addr) + OPTSIZ); |
#undef OPTSIZ |
#undef OPTSIZ |
/* |
/* |
Line 1784 ip_srcroute(void) |
|
Line 1795 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 *); |
|
caddr_t opts; |
|
int olen; |
|
|
|
olen = (ip->ip_hl << 2) - sizeof (struct ip); |
|
opts = (caddr_t)(ip + 1); |
|
i = m->m_len - (sizeof (struct ip) + olen); |
|
bcopy(opts + olen, opts, (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, |
}; |
}; |
|
|
/* |
/* |
|
|
ip_forward(struct mbuf *m, int srcrt) |
ip_forward(struct mbuf *m, int srcrt) |
{ |
{ |
struct ip *ip = mtod(m, struct ip *); |
struct ip *ip = mtod(m, struct ip *); |
struct sockaddr_in *sin; |
|
struct rtentry *rt; |
struct rtentry *rt; |
int error, type = 0, code = 0, destmtu = 0; |
int error, type = 0, code = 0, destmtu = 0; |
struct mbuf *mcopy; |
struct mbuf *mcopy; |
n_long dest; |
n_long dest; |
|
union { |
|
struct sockaddr dst; |
|
struct sockaddr_in dst4; |
|
} u; |
|
|
/* |
/* |
* We are now in the output path. |
* We are now in the output path. |
Line 1870 ip_forward(struct mbuf *m, int srcrt) |
|
Line 1861 ip_forward(struct mbuf *m, int srcrt) |
|
return; |
return; |
} |
} |
|
|
sin = satosin(&ipforward_rt.ro_dst); |
sockaddr_in_init(&u.dst4, &ip->ip_dst, 0); |
if ((rt = ipforward_rt.ro_rt) == NULL || |
if ((rt = rtcache_lookup(&ipforward_rt, &u.dst)) == NULL) { |
!in_hosteq(ip->ip_dst, sin->sin_addr)) { |
icmp_error(m, ICMP_UNREACH, ICMP_UNREACH_NET, dest, 0); |
if (ipforward_rt.ro_rt != NULL) |
return; |
rtflush(&ipforward_rt); |
|
sin->sin_family = AF_INET; |
|
sin->sin_len = sizeof(struct sockaddr_in); |
|
sin->sin_addr = ip->ip_dst; |
|
|
|
rtalloc(&ipforward_rt); |
|
if (ipforward_rt.ro_rt == NULL) { |
|
icmp_error(m, ICMP_UNREACH, ICMP_UNREACH_NET, dest, 0); |
|
return; |
|
} |
|
rt = ipforward_rt.ro_rt; |
|
} |
} |
|
|
/* |
/* |
Line 1908 ip_forward(struct mbuf *m, int srcrt) |
|
Line 1888 ip_forward(struct mbuf *m, int srcrt) |
|
*/ |
*/ |
if (rt->rt_ifp == m->m_pkthdr.rcvif && |
if (rt->rt_ifp == m->m_pkthdr.rcvif && |
(rt->rt_flags & (RTF_DYNAMIC|RTF_MODIFIED)) == 0 && |
(rt->rt_flags & (RTF_DYNAMIC|RTF_MODIFIED)) == 0 && |
!in_nullhost(satosin(rt_key(rt))->sin_addr) && |
!in_nullhost(satocsin(rt_getkey(rt))->sin_addr) && |
ipsendredirects && !srcrt) { |
ipsendredirects && !srcrt) { |
if (rt->rt_ifa && |
if (rt->rt_ifa && |
(ip->ip_src.s_addr & ifatoia(rt->rt_ifa)->ia_subnetmask) == |
(ip->ip_src.s_addr & ifatoia(rt->rt_ifa)->ia_subnetmask) == |
Line 1974 ip_forward(struct mbuf *m, int srcrt) |
|
Line 1954 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 != NULL) |
if ((rt = rtcache_getrt(&ipforward_rt)) != NULL) |
destmtu = ipforward_rt.ro_rt->rt_ifp->if_mtu; |
destmtu = rt->rt_ifp->if_mtu; |
#else |
#else |
/* |
/* |
* If the packet is routed over IPsec tunnel, tell the |
* If the packet is routed over IPsec tunnel, tell the |
Line 1983 ip_forward(struct mbuf *m, int srcrt) |
|
Line 1963 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 != NULL) { |
if ((rt = rtcache_getrt(&ipforward_rt)) != NULL) { |
struct secpolicy *sp; |
struct secpolicy *sp; |
int ipsecerror; |
int ipsecerror; |
size_t ipsechdr; |
size_t ipsechdr; |
Line 1994 ip_forward(struct mbuf *m, int srcrt) |
|
Line 1974 ip_forward(struct mbuf *m, int srcrt) |
|
&ipsecerror); |
&ipsecerror); |
|
|
if (sp == NULL) |
if (sp == NULL) |
destmtu = ipforward_rt.ro_rt->rt_ifp->if_mtu; |
destmtu = rt->rt_ifp->if_mtu; |
else { |
else { |
/* count IPsec header size */ |
/* count IPsec header size */ |
ipsechdr = ipsec4_hdrsiz(mcopy, |
ipsechdr = ipsec4_hdrsiz(mcopy, |
Line 2009 ip_forward(struct mbuf *m, int srcrt) |
|
Line 1989 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 2058 ip_savecontrol(struct inpcb *inp, struct |
|
Line 2038 ip_savecontrol(struct inpcb *inp, struct |
|
struct timeval tv; |
struct timeval tv; |
|
|
microtime(&tv); |
microtime(&tv); |
*mp = sbcreatecontrol((caddr_t) &tv, sizeof(tv), |
*mp = sbcreatecontrol((void *) &tv, sizeof(tv), |
SCM_TIMESTAMP, SOL_SOCKET); |
SCM_TIMESTAMP, SOL_SOCKET); |
if (*mp) |
if (*mp) |
mp = &(*mp)->m_next; |
mp = &(*mp)->m_next; |
} |
} |
if (inp->inp_flags & INP_RECVDSTADDR) { |
if (inp->inp_flags & INP_RECVDSTADDR) { |
*mp = sbcreatecontrol((caddr_t) &ip->ip_dst, |
*mp = sbcreatecontrol((void *) &ip->ip_dst, |
sizeof(struct in_addr), IP_RECVDSTADDR, IPPROTO_IP); |
sizeof(struct in_addr), IP_RECVDSTADDR, IPPROTO_IP); |
if (*mp) |
if (*mp) |
mp = &(*mp)->m_next; |
mp = &(*mp)->m_next; |
Line 2078 ip_savecontrol(struct inpcb *inp, struct |
|
Line 2058 ip_savecontrol(struct inpcb *inp, struct |
|
*/ |
*/ |
/* options were tossed already */ |
/* options were tossed already */ |
if (inp->inp_flags & INP_RECVOPTS) { |
if (inp->inp_flags & INP_RECVOPTS) { |
*mp = sbcreatecontrol((caddr_t) opts_deleted_above, |
*mp = sbcreatecontrol((void *) opts_deleted_above, |
sizeof(struct in_addr), IP_RECVOPTS, IPPROTO_IP); |
sizeof(struct in_addr), IP_RECVOPTS, IPPROTO_IP); |
if (*mp) |
if (*mp) |
mp = &(*mp)->m_next; |
mp = &(*mp)->m_next; |
} |
} |
/* ip_srcroute doesn't do what we want here, need to fix */ |
/* ip_srcroute doesn't do what we want here, need to fix */ |
if (inp->inp_flags & INP_RECVRETOPTS) { |
if (inp->inp_flags & INP_RECVRETOPTS) { |
*mp = sbcreatecontrol((caddr_t) ip_srcroute(), |
*mp = sbcreatecontrol((void *) ip_srcroute(), |
sizeof(struct in_addr), IP_RECVRETOPTS, IPPROTO_IP); |
sizeof(struct in_addr), IP_RECVRETOPTS, IPPROTO_IP); |
if (*mp) |
if (*mp) |
mp = &(*mp)->m_next; |
mp = &(*mp)->m_next; |
Line 2094 ip_savecontrol(struct inpcb *inp, struct |
|
Line 2074 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; |
|
|
sdl.sdl_len = offsetof(struct sockaddr_dl, sdl_data[0]); |
sockaddr_dl_init(&sdl, sizeof(sdl), |
sdl.sdl_family = AF_LINK; |
(m->m_pkthdr.rcvif != NULL) |
sdl.sdl_index = m->m_pkthdr.rcvif ? |
? m->m_pkthdr.rcvif->if_index |
m->m_pkthdr.rcvif->if_index : 0; |
: 0, |
sdl.sdl_nlen = sdl.sdl_alen = sdl.sdl_slen = 0; |
0, NULL, 0, NULL, 0); |
*mp = sbcreatecontrol((caddr_t) &sdl, sdl.sdl_len, |
*mp = sbcreatecontrol(&sdl, sdl.sdl_len, IP_RECVIF, IPPROTO_IP); |
IP_RECVIF, IPPROTO_IP); |
|
if (*mp) |
if (*mp) |
mp = &(*mp)->m_next; |
mp = &(*mp)->m_next; |
} |
} |
Line 2158 sysctl_net_inet_ip_pmtudto(SYSCTLFN_ARGS |
|
Line 2137 sysctl_net_inet_ip_pmtudto(SYSCTLFN_ARGS |
|
|
|
#ifdef GATEWAY |
#ifdef GATEWAY |
/* |
/* |
* sysctl helper routine for net.inet.ip.maxflows. apparently if |
* sysctl helper routine for net.inet.ip.maxflows. |
* maxflows is even looked up, we "reap flows". |
|
*/ |
*/ |
static int |
static int |
sysctl_net_inet_ip_maxflows(SYSCTLFN_ARGS) |
sysctl_net_inet_ip_maxflows(SYSCTLFN_ARGS) |
Line 2167 sysctl_net_inet_ip_maxflows(SYSCTLFN_ARG |
|
Line 2145 sysctl_net_inet_ip_maxflows(SYSCTLFN_ARG |
|
int s; |
int s; |
|
|
s = sysctl_lookup(SYSCTLFN_CALL(rnode)); |
s = sysctl_lookup(SYSCTLFN_CALL(rnode)); |
if (s) |
if (s || newp == NULL) |
return (s); |
return (s); |
|
|
s = splsoftnet(); |
s = splsoftnet(); |
Line 2176 sysctl_net_inet_ip_maxflows(SYSCTLFN_ARG |
|
Line 2154 sysctl_net_inet_ip_maxflows(SYSCTLFN_ARG |
|
|
|
return (0); |
return (0); |
} |
} |
|
|
|
static int |
|
sysctl_net_inet_ip_hashsize(SYSCTLFN_ARGS) |
|
{ |
|
int error, tmp; |
|
struct sysctlnode node; |
|
|
|
node = *rnode; |
|
tmp = ip_hashsize; |
|
node.sysctl_data = &tmp; |
|
error = sysctl_lookup(SYSCTLFN_CALL(&node)); |
|
if (error || newp == NULL) |
|
return (error); |
|
|
|
if ((tmp & (tmp - 1)) == 0 && tmp != 0) { |
|
/* |
|
* Can only fail due to malloc() |
|
*/ |
|
if (ipflow_invalidate_all(tmp)) |
|
return ENOMEM; |
|
} else { |
|
/* |
|
* EINVAL if not a power of 2 |
|
*/ |
|
return EINVAL; |
|
} |
|
|
|
return (0); |
|
} |
#endif /* GATEWAY */ |
#endif /* GATEWAY */ |
|
|
|
|
Line 2297 SYSCTL_SETUP(sysctl_net_inet_ip_setup, " |
|
Line 2304 SYSCTL_SETUP(sysctl_net_inet_ip_setup, " |
|
sysctl_net_inet_ip_maxflows, 0, &ip_maxflows, 0, |
sysctl_net_inet_ip_maxflows, 0, &ip_maxflows, 0, |
CTL_NET, PF_INET, IPPROTO_IP, |
CTL_NET, PF_INET, IPPROTO_IP, |
IPCTL_MAXFLOWS, CTL_EOL); |
IPCTL_MAXFLOWS, CTL_EOL); |
|
sysctl_createv(clog, 0, NULL, NULL, |
|
CTLFLAG_PERMANENT|CTLFLAG_READWRITE, |
|
CTLTYPE_INT, "hashsize", |
|
SYSCTL_DESCR("Size of hash table for fast forwarding (IPv4)"), |
|
sysctl_net_inet_ip_hashsize, 0, &ip_hashsize, 0, |
|
CTL_NET, PF_INET, IPPROTO_IP, |
|
CTL_CREATE, CTL_EOL); |
#endif /* GATEWAY */ |
#endif /* GATEWAY */ |
sysctl_createv(clog, 0, NULL, NULL, |
sysctl_createv(clog, 0, NULL, NULL, |
CTLFLAG_PERMANENT|CTLFLAG_READWRITE, |
CTLFLAG_PERMANENT|CTLFLAG_READWRITE, |