version 1.218.2.3, 2007/02/26 09:11:44 |
version 1.245.2.3, 2007/06/08 14:17:46 |
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#define IPQ_UNLOCK() ipq_unlock() |
#define IPQ_UNLOCK() ipq_unlock() |
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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); |
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POOL_INIT(ipqent_pool, sizeof(struct ipqent), 0, 0, 0, "ipqepl", NULL, |
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IPL_VM); |
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#ifdef INET_CSUM_COUNTERS |
#ifdef INET_CSUM_COUNTERS |
#include <sys/device.h> |
#include <sys/device.h> |
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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 |
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#ifdef PFIL_HOOKS |
#ifdef PFIL_HOOKS |
Line 516 ip_input(struct mbuf *m) |
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Line 518 ip_input(struct mbuf *m) |
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* 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 */ |
Line 1407 ip_slowtimo(void) |
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Line 1409 ip_slowtimo(void) |
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dropscanidx = i; |
dropscanidx = i; |
} |
} |
IPQ_UNLOCK(); |
IPQ_UNLOCK(); |
#ifdef GATEWAY |
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ipflow_slowtimo(); |
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#endif |
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splx(s); |
splx(s); |
} |
} |
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Line 1528 ip_dooptions(struct mbuf *m) |
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Line 1527 ip_dooptions(struct mbuf *m) |
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/* |
/* |
* 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) |
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Line 1539 ip_dooptions(struct mbuf *m) |
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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) |
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Line 1563 ip_dooptions(struct mbuf *m) |
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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) |
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Line 1576 ip_dooptions(struct mbuf *m) |
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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; |
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Line 1647 ip_dooptions(struct mbuf *m) |
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Line 1646 ip_dooptions(struct mbuf *m) |
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} |
} |
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); |
} |
} |
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struct in_ifaddr * |
struct in_ifaddr * |
ip_rtaddr(struct in_addr dst) |
ip_rtaddr(struct in_addr dst) |
{ |
{ |
if (!in_hosteq(dst, satocsin(rtcache_getdst(&ipforward_rt))->sin_addr)) |
struct rtentry *rt; |
rtcache_free(&ipforward_rt); |
union { |
else |
struct sockaddr dst; |
rtcache_check(&ipforward_rt); |
struct sockaddr_in dst4; |
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} u; |
if (ipforward_rt.ro_rt == NULL) { |
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struct sockaddr_in *sin = satosin(&ipforward_rt.ro_dst); |
sockaddr_in_init(&u.dst4, &dst, 0); |
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sin->sin_family = AF_INET; |
if ((rt = rtcache_lookup(&ipforward_rt, &u.dst)) == NULL) |
sin->sin_len = sizeof(*sin); |
return NULL; |
sin->sin_addr = dst; |
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return ifatoia(rt->rt_ifa); |
rtcache_init(&ipforward_rt); |
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if (ipforward_rt.ro_rt == NULL) |
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return NULL; |
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} |
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return ifatoia(ipforward_rt.ro_rt->rt_ifa); |
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} |
} |
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/* |
/* |
Line 1710 save_rte(u_char *option, struct in_addr |
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Line 1704 save_rte(u_char *option, struct in_addr |
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#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 1758 ip_srcroute(void) |
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Line 1752 ip_srcroute(void) |
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*/ |
*/ |
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 1797 ip_stripoptions(struct mbuf *m, struct m |
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Line 1791 ip_stripoptions(struct mbuf *m, struct m |
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{ |
{ |
int i; |
int i; |
struct ip *ip = mtod(m, struct ip *); |
struct ip *ip = mtod(m, struct ip *); |
caddr_t opts; |
void *opts; |
int olen; |
int olen; |
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olen = (ip->ip_hl << 2) - sizeof (struct ip); |
olen = (ip->ip_hl << 2) - sizeof (struct ip); |
opts = (caddr_t)(ip + 1); |
opts = (void *)(ip + 1); |
i = m->m_len - (sizeof (struct ip) + olen); |
i = m->m_len - (sizeof (struct ip) + olen); |
bcopy(opts + olen, opts, (unsigned)i); |
memmove(opts, (char *)opts + olen, (unsigned)i); |
m->m_len -= olen; |
m->m_len -= olen; |
if (m->m_flags & M_PKTHDR) |
if (m->m_flags & M_PKTHDR) |
m->m_pkthdr.len -= olen; |
m->m_pkthdr.len -= olen; |
Line 1842 ip_forward(struct mbuf *m, int srcrt) |
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Line 1836 ip_forward(struct mbuf *m, int srcrt) |
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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; |
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union { |
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struct sockaddr dst; |
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struct sockaddr_in dst4; |
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} u; |
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/* |
/* |
* We are now in the output path. |
* We are now in the output path. |
Line 1870 ip_forward(struct mbuf *m, int srcrt) |
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Line 1868 ip_forward(struct mbuf *m, int srcrt) |
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return; |
return; |
} |
} |
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if (!in_hosteq(ip->ip_dst, |
sockaddr_in_init(&u.dst4, &ip->ip_dst, 0); |
satocsin(rtcache_getdst(&ipforward_rt))->sin_addr)) |
if ((rt = rtcache_lookup(&ipforward_rt, &u.dst)) == NULL) { |
rtcache_free(&ipforward_rt); |
icmp_error(m, ICMP_UNREACH, ICMP_UNREACH_NET, dest, 0); |
else |
return; |
rtcache_check(&ipforward_rt); |
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if (ipforward_rt.ro_rt == NULL) { |
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struct sockaddr_in *sin = satosin(&ipforward_rt.ro_dst); |
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sin->sin_family = AF_INET; |
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sin->sin_len = sizeof(*sin); |
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sin->sin_addr = ip->ip_dst; |
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rtcache_init(&ipforward_rt); |
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if (ipforward_rt.ro_rt == NULL) { |
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icmp_error(m, ICMP_UNREACH, ICMP_UNREACH_NET, dest, 0); |
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return; |
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} |
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} |
} |
rt = ipforward_rt.ro_rt; |
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/* |
/* |
* Save at most 68 bytes of the packet in case |
* Save at most 68 bytes of the packet in case |
Line 2061 ip_savecontrol(struct inpcb *inp, struct |
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Line 2045 ip_savecontrol(struct inpcb *inp, struct |
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struct timeval tv; |
struct timeval tv; |
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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 2081 ip_savecontrol(struct inpcb *inp, struct |
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Line 2065 ip_savecontrol(struct inpcb *inp, struct |
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*/ |
*/ |
/* 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 2102 ip_savecontrol(struct inpcb *inp, struct |
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Line 2086 ip_savecontrol(struct inpcb *inp, struct |
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sdl.sdl_index = m->m_pkthdr.rcvif ? |
sdl.sdl_index = m->m_pkthdr.rcvif ? |
m->m_pkthdr.rcvif->if_index : 0; |
m->m_pkthdr.rcvif->if_index : 0; |
sdl.sdl_nlen = sdl.sdl_alen = sdl.sdl_slen = 0; |
sdl.sdl_nlen = sdl.sdl_alen = sdl.sdl_slen = 0; |
*mp = sbcreatecontrol((caddr_t) &sdl, sdl.sdl_len, |
*mp = sbcreatecontrol((void *) &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 2161 sysctl_net_inet_ip_pmtudto(SYSCTLFN_ARGS |
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Line 2145 sysctl_net_inet_ip_pmtudto(SYSCTLFN_ARGS |
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#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". |
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*/ |
*/ |
static int |
static int |
sysctl_net_inet_ip_maxflows(SYSCTLFN_ARGS) |
sysctl_net_inet_ip_maxflows(SYSCTLFN_ARGS) |
Line 2170 sysctl_net_inet_ip_maxflows(SYSCTLFN_ARG |
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Line 2153 sysctl_net_inet_ip_maxflows(SYSCTLFN_ARG |
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int s; |
int s; |
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s = sysctl_lookup(SYSCTLFN_CALL(rnode)); |
s = sysctl_lookup(SYSCTLFN_CALL(rnode)); |
if (s) |
if (s || newp == NULL) |
return (s); |
return (s); |
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s = splsoftnet(); |
s = splsoftnet(); |
Line 2179 sysctl_net_inet_ip_maxflows(SYSCTLFN_ARG |
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Line 2162 sysctl_net_inet_ip_maxflows(SYSCTLFN_ARG |
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return (0); |
return (0); |
} |
} |
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static int |
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sysctl_net_inet_ip_hashsize(SYSCTLFN_ARGS) |
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{ |
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int error, tmp; |
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struct sysctlnode node; |
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node = *rnode; |
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tmp = ip_hashsize; |
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node.sysctl_data = &tmp; |
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error = sysctl_lookup(SYSCTLFN_CALL(&node)); |
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if (error || newp == NULL) |
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return (error); |
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if ((tmp & (tmp - 1)) == 0 && tmp != 0) { |
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/* |
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* Can only fail due to malloc() |
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*/ |
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if (ipflow_invalidate_all(tmp)) |
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return ENOMEM; |
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} else { |
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/* |
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* EINVAL if not a power of 2 |
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*/ |
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return EINVAL; |
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} |
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return (0); |
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} |
#endif /* GATEWAY */ |
#endif /* GATEWAY */ |
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Line 2300 SYSCTL_SETUP(sysctl_net_inet_ip_setup, " |
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Line 2312 SYSCTL_SETUP(sysctl_net_inet_ip_setup, " |
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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); |
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sysctl_createv(clog, 0, NULL, NULL, |
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CTLFLAG_PERMANENT|CTLFLAG_READWRITE, |
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CTLTYPE_INT, "hashsize", |
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SYSCTL_DESCR("Size of hash table for fast forwarding (IPv4)"), |
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sysctl_net_inet_ip_hashsize, 0, &ip_hashsize, 0, |
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CTL_NET, PF_INET, IPPROTO_IP, |
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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, |