version 1.150.2.3, 2002/08/29 00:56:46 |
version 1.180, 2003/11/10 20:03:29 |
|
|
* 2. Redistributions in binary form must reproduce the above copyright |
* 2. Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* documentation and/or other materials provided with the distribution. |
* 3. All advertising materials mentioning features or use of this software |
* 3. Neither the name of the University nor the names of its contributors |
* must display the following acknowledgement: |
|
* This product includes software developed by the University of |
|
* California, Berkeley and its contributors. |
|
* 4. Neither the name of the University nor the names of its contributors |
|
* may be used to endorse or promote products derived from this software |
* may be used to endorse or promote products derived from this software |
* without specific prior written permission. |
* without specific prior written permission. |
* |
* |
Line 108 __KERNEL_RCSID(0, "$NetBSD$"); |
|
Line 104 __KERNEL_RCSID(0, "$NetBSD$"); |
|
#include "opt_pfil_hooks.h" |
#include "opt_pfil_hooks.h" |
#include "opt_ipsec.h" |
#include "opt_ipsec.h" |
#include "opt_mrouting.h" |
#include "opt_mrouting.h" |
|
#include "opt_mbuftrace.h" |
#include "opt_inet_csum.h" |
#include "opt_inet_csum.h" |
|
|
#include <sys/param.h> |
#include <sys/param.h> |
Line 150 __KERNEL_RCSID(0, "$NetBSD$"); |
|
Line 147 __KERNEL_RCSID(0, "$NetBSD$"); |
|
#include <netinet6/ipsec.h> |
#include <netinet6/ipsec.h> |
#include <netkey/key.h> |
#include <netkey/key.h> |
#endif |
#endif |
|
#ifdef FAST_IPSEC |
|
#include <netipsec/ipsec.h> |
|
#include <netipsec/key.h> |
|
#endif /* FAST_IPSEC*/ |
|
|
#ifndef IPFORWARDING |
#ifndef IPFORWARDING |
#ifdef GATEWAY |
#ifdef GATEWAY |
Line 192 int ip_forwsrcrt = IPFORWSRCRT; |
|
Line 193 int ip_forwsrcrt = IPFORWSRCRT; |
|
int ip_directedbcast = IPDIRECTEDBCAST; |
int ip_directedbcast = IPDIRECTEDBCAST; |
int ip_allowsrcrt = IPALLOWSRCRT; |
int ip_allowsrcrt = IPALLOWSRCRT; |
int ip_mtudisc = IPMTUDISC; |
int ip_mtudisc = IPMTUDISC; |
u_int ip_mtudisc_timeout = IPMTUDISCTIMEOUT; |
int ip_mtudisc_timeout = IPMTUDISCTIMEOUT; |
#ifdef DIAGNOSTIC |
#ifdef DIAGNOSTIC |
int ipprintfs = 0; |
int ipprintfs = 0; |
#endif |
#endif |
|
/* |
|
* XXX - Setting ip_checkinterface mostly implements the receive side of |
|
* the Strong ES model described in RFC 1122, but since the routing table |
|
* and transmit implementation do not implement the Strong ES model, |
|
* setting this to 1 results in an odd hybrid. |
|
* |
|
* XXX - ip_checkinterface currently must be disabled if you use ipnat |
|
* to translate the destination address to another local interface. |
|
* |
|
* XXX - ip_checkinterface must be disabled if you add IP aliases |
|
* to the loopback interface instead of the interface where the |
|
* packets for those addresses are received. |
|
*/ |
|
int ip_checkinterface = 0; |
|
|
|
|
struct rttimer_queue *ip_mtudisc_timeout_q = NULL; |
struct rttimer_queue *ip_mtudisc_timeout_q = NULL; |
|
|
Line 205 u_long in_ifaddrhash; /* size of hash |
|
Line 221 u_long in_ifaddrhash; /* size of hash |
|
int in_ifaddrentries; /* total number of addrs */ |
int in_ifaddrentries; /* total number of addrs */ |
struct in_ifaddrhead in_ifaddr; |
struct in_ifaddrhead in_ifaddr; |
struct in_ifaddrhashhead *in_ifaddrhashtbl; |
struct in_ifaddrhashhead *in_ifaddrhashtbl; |
|
u_long in_multihash; /* size of hash table - 1 */ |
|
int in_multientries; /* total number of addrs */ |
|
struct in_multihashhead *in_multihashtbl; |
struct ifqueue ipintrq; |
struct ifqueue ipintrq; |
struct ipstat ipstat; |
struct ipstat ipstat; |
u_int16_t ip_id; |
|
|
|
#ifdef PFIL_HOOKS |
#ifdef PFIL_HOOKS |
struct pfil_head inet_pfil_hook; |
struct pfil_head inet_pfil_hook; |
|
|
printf("%s:%d: ipq already locked\n", __FILE__, __LINE__); \ |
printf("%s:%d: ipq already locked\n", __FILE__, __LINE__); \ |
panic("ipq_lock"); \ |
panic("ipq_lock"); \ |
} \ |
} \ |
} while (0) |
} while (/*CONSTCOND*/ 0) |
#define IPQ_LOCK_CHECK() \ |
#define IPQ_LOCK_CHECK() \ |
do { \ |
do { \ |
if (ipq_locked == 0) { \ |
if (ipq_locked == 0) { \ |
printf("%s:%d: ipq lock not held\n", __FILE__, __LINE__); \ |
printf("%s:%d: ipq lock not held\n", __FILE__, __LINE__); \ |
panic("ipq lock check"); \ |
panic("ipq lock check"); \ |
} \ |
} \ |
} while (0) |
} while (/*CONSTCOND*/ 0) |
#else |
#else |
#define IPQ_LOCK() (void) ipq_lock_try() |
#define IPQ_LOCK() (void) ipq_lock_try() |
#define IPQ_LOCK_CHECK() /* nothing */ |
#define IPQ_LOCK_CHECK() /* nothing */ |
|
|
|
|
#define IPQ_UNLOCK() ipq_unlock() |
#define IPQ_UNLOCK() ipq_unlock() |
|
|
|
struct pool inmulti_pool; |
struct pool ipqent_pool; |
struct pool ipqent_pool; |
|
|
#ifdef INET_CSUM_COUNTERS |
#ifdef INET_CSUM_COUNTERS |
Line 309 static struct ip_srcrt { |
|
Line 328 static struct ip_srcrt { |
|
|
|
static void save_rte __P((u_char *, struct in_addr)); |
static void save_rte __P((u_char *, struct in_addr)); |
|
|
|
#ifdef MBUFTRACE |
|
struct mowner ip_rx_mowner = { "internet", "rx" }; |
|
struct mowner ip_tx_mowner = { "internet", "tx" }; |
|
#endif |
|
|
/* |
/* |
* IP initialization: fill in IP protocol switch table. |
* IP initialization: fill in IP protocol switch table. |
* All protocols not implemented in kernel go to raw IP protocol handler. |
* All protocols not implemented in kernel go to raw IP protocol handler. |
|
|
struct protosw *pr; |
struct protosw *pr; |
int i; |
int i; |
|
|
|
pool_init(&inmulti_pool, sizeof(struct in_multi), 0, 0, 0, "inmltpl", |
|
NULL); |
pool_init(&ipqent_pool, sizeof(struct ipqent), 0, 0, 0, "ipqepl", |
pool_init(&ipqent_pool, sizeof(struct ipqent), 0, 0, 0, "ipqepl", |
NULL); |
NULL); |
|
|
|
|
pr->pr_protocol && pr->pr_protocol != IPPROTO_RAW) |
pr->pr_protocol && pr->pr_protocol != IPPROTO_RAW) |
ip_protox[pr->pr_protocol] = pr - inetsw; |
ip_protox[pr->pr_protocol] = pr - inetsw; |
LIST_INIT(&ipq); |
LIST_INIT(&ipq); |
ip_id = time.tv_sec & 0xffff; |
|
ipintrq.ifq_maxlen = ipqmaxlen; |
ipintrq.ifq_maxlen = ipqmaxlen; |
TAILQ_INIT(&in_ifaddr); |
TAILQ_INIT(&in_ifaddr); |
in_ifaddrhashtbl = hashinit(IN_IFADDR_HASH_SIZE, HASH_LIST, M_IFADDR, |
in_ifaddrhashtbl = hashinit(IN_IFADDR_HASH_SIZE, HASH_LIST, M_IFADDR, |
M_WAITOK, &in_ifaddrhash); |
M_WAITOK, &in_ifaddrhash); |
if (ip_mtudisc != 0) |
in_multihashtbl = hashinit(IN_IFADDR_HASH_SIZE, HASH_LIST, M_IPMADDR, |
ip_mtudisc_timeout_q = |
M_WAITOK, &in_multihash); |
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(); |
#endif |
#endif |
|
|
evcnt_attach_static(&ip_hwcsum_ok); |
evcnt_attach_static(&ip_hwcsum_ok); |
evcnt_attach_static(&ip_swcsum); |
evcnt_attach_static(&ip_swcsum); |
#endif /* INET_CSUM_COUNTERS */ |
#endif /* INET_CSUM_COUNTERS */ |
|
|
|
#ifdef MBUFTRACE |
|
MOWNER_ATTACH(&ip_tx_mowner); |
|
MOWNER_ATTACH(&ip_rx_mowner); |
|
#endif /* MBUFTRACE */ |
} |
} |
|
|
struct sockaddr_in ipaddr = { sizeof(ipaddr), AF_INET }; |
struct sockaddr_in ipaddr = { sizeof(ipaddr), AF_INET }; |
|
|
splx(s); |
splx(s); |
if (m == 0) |
if (m == 0) |
return; |
return; |
|
MCLAIM(m, &ip_rx_mowner); |
ip_input(m); |
ip_input(m); |
} |
} |
} |
} |
Line 398 ip_input(struct mbuf *m) |
|
Line 429 ip_input(struct mbuf *m) |
|
struct ipqent *ipqe; |
struct ipqent *ipqe; |
int hlen = 0, mff, len; |
int hlen = 0, mff, len; |
int downmatch; |
int downmatch; |
|
int checkif; |
|
int srcrt = 0; |
|
#ifdef FAST_IPSEC |
|
struct m_tag *mtag; |
|
struct tdb_ident *tdbi; |
|
struct secpolicy *sp; |
|
int s, error; |
|
#endif /* FAST_IPSEC */ |
|
|
|
MCLAIM(m, &ip_rx_mowner); |
#ifdef DIAGNOSTIC |
#ifdef DIAGNOSTIC |
if ((m->m_flags & M_PKTHDR) == 0) |
if ((m->m_flags & M_PKTHDR) == 0) |
panic("ipintr no HDR"); |
panic("ipintr no HDR"); |
#endif |
#endif |
#ifdef IPSEC |
|
/* |
|
* should the inner packet be considered authentic? |
|
* see comment in ah4_input(). |
|
*/ |
|
if (m) { |
|
m->m_flags &= ~M_AUTHIPHDR; |
|
m->m_flags &= ~M_AUTHIPDGM; |
|
} |
|
#endif |
|
/* |
/* |
* If no IP addresses have been set yet but the interfaces |
* If no IP addresses have been set yet but the interfaces |
* are receiving, can't do anything with incoming packets yet. |
* are receiving, can't do anything with incoming packets yet. |
Line 553 ip_input(struct mbuf *m) |
|
Line 584 ip_input(struct mbuf *m) |
|
if (1) |
if (1) |
#endif |
#endif |
{ |
{ |
|
struct in_addr odst; |
|
|
|
odst = ip->ip_dst; |
if (pfil_run_hooks(&inet_pfil_hook, &m, m->m_pkthdr.rcvif, |
if (pfil_run_hooks(&inet_pfil_hook, &m, m->m_pkthdr.rcvif, |
PFIL_IN) != 0) |
PFIL_IN) != 0) |
return; |
return; |
if (m == NULL) |
if (m == NULL) |
return; |
return; |
ip = mtod(m, struct ip *); |
ip = mtod(m, struct ip *); |
hlen = ip->ip_hl << 2; |
hlen = ip->ip_hl << 2; |
|
srcrt = (odst.s_addr != ip->ip_dst.s_addr); |
} |
} |
#endif /* PFIL_HOOKS */ |
#endif /* PFIL_HOOKS */ |
|
|
Line 582 ip_input(struct mbuf *m) |
|
Line 617 ip_input(struct mbuf *m) |
|
return; |
return; |
|
|
/* |
/* |
|
* Enable a consistency check between the destination address |
|
* and the arrival interface for a unicast packet (the RFC 1122 |
|
* strong ES model) if IP forwarding is disabled and the packet |
|
* is not locally generated. |
|
* |
|
* XXX - Checking also should be disabled if the destination |
|
* address is ipnat'ed to a different interface. |
|
* |
|
* XXX - Checking is incompatible with IP aliases added |
|
* to the loopback interface instead of the interface where |
|
* the packets are received. |
|
* |
|
* XXX - We need to add a per ifaddr flag for this so that |
|
* we get finer grain control. |
|
*/ |
|
checkif = ip_checkinterface && (ipforwarding == 0) && |
|
(m->m_pkthdr.rcvif != NULL) && |
|
((m->m_pkthdr.rcvif->if_flags & IFF_LOOPBACK) == 0); |
|
|
|
/* |
* Check our list of addresses, to see if the packet is for us. |
* Check our list of addresses, to see if the packet is for us. |
* |
* |
* Traditional 4.4BSD did not consult IFF_UP at all. |
* Traditional 4.4BSD did not consult IFF_UP at all. |
Line 591 ip_input(struct mbuf *m) |
|
Line 646 ip_input(struct mbuf *m) |
|
downmatch = 0; |
downmatch = 0; |
LIST_FOREACH(ia, &IN_IFADDR_HASH(ip->ip_dst.s_addr), ia_hash) { |
LIST_FOREACH(ia, &IN_IFADDR_HASH(ip->ip_dst.s_addr), ia_hash) { |
if (in_hosteq(ia->ia_addr.sin_addr, ip->ip_dst)) { |
if (in_hosteq(ia->ia_addr.sin_addr, ip->ip_dst)) { |
|
if (checkif && ia->ia_ifp != m->m_pkthdr.rcvif) |
|
continue; |
if ((ia->ia_ifp->if_flags & IFF_UP) != 0) |
if ((ia->ia_ifp->if_flags & IFF_UP) != 0) |
break; |
break; |
else |
else |
Line 703 ip_input(struct mbuf *m) |
|
Line 760 ip_input(struct mbuf *m) |
|
goto bad; |
goto bad; |
} |
} |
#endif |
#endif |
|
#ifdef FAST_IPSEC |
|
mtag = m_tag_find(m, PACKET_TAG_IPSEC_IN_DONE, NULL); |
|
s = splsoftnet(); |
|
if (mtag != NULL) { |
|
tdbi = (struct tdb_ident *)(mtag + 1); |
|
sp = ipsec_getpolicy(tdbi, IPSEC_DIR_INBOUND); |
|
} else { |
|
sp = ipsec_getpolicybyaddr(m, IPSEC_DIR_INBOUND, |
|
IP_FORWARDING, &error); |
|
} |
|
if (sp == NULL) { /* NB: can happen if error */ |
|
splx(s); |
|
/*XXX error stat???*/ |
|
DPRINTF(("ip_input: no SP for forwarding\n")); /*XXX*/ |
|
goto bad; |
|
} |
|
|
ip_forward(m, 0); |
/* |
|
* Check security policy against packet attributes. |
|
*/ |
|
error = ipsec_in_reject(sp, m); |
|
KEY_FREESP(&sp); |
|
splx(s); |
|
if (error) { |
|
ipstat.ips_cantforward++; |
|
goto bad; |
|
} |
|
#endif /* FAST_IPSEC */ |
|
|
|
ip_forward(m, srcrt); |
} |
} |
return; |
return; |
|
|
|
|
IPQ_UNLOCK(); |
IPQ_UNLOCK(); |
} |
} |
|
|
#ifdef IPSEC |
#if defined(IPSEC) |
/* |
/* |
* enforce IPsec policy checking if we are seeing last header. |
* enforce IPsec policy checking if we are seeing last header. |
* note that we do not visit this with protocols with pcb layer |
* note that we do not visit this with protocols with pcb layer |
|
|
goto bad; |
goto bad; |
} |
} |
#endif |
#endif |
|
#if FAST_IPSEC |
|
/* |
|
* enforce IPsec policy checking if we are seeing last header. |
|
* note that we do not visit this with protocols with pcb layer |
|
* code - like udp/tcp/raw ip. |
|
*/ |
|
if ((inetsw[ip_protox[ip->ip_p]].pr_flags & PR_LASTHDR) != 0) { |
|
/* |
|
* Check if the packet has already had IPsec processing |
|
* done. If so, then just pass it along. This tag gets |
|
* set during AH, ESP, etc. input handling, before the |
|
* packet is returned to the ip input queue for delivery. |
|
*/ |
|
mtag = m_tag_find(m, PACKET_TAG_IPSEC_IN_DONE, NULL); |
|
s = splsoftnet(); |
|
if (mtag != NULL) { |
|
tdbi = (struct tdb_ident *)(mtag + 1); |
|
sp = ipsec_getpolicy(tdbi, IPSEC_DIR_INBOUND); |
|
} else { |
|
sp = ipsec_getpolicybyaddr(m, IPSEC_DIR_INBOUND, |
|
IP_FORWARDING, &error); |
|
} |
|
if (sp != NULL) { |
|
/* |
|
* Check security policy against packet attributes. |
|
*/ |
|
error = ipsec_in_reject(sp, m); |
|
KEY_FREESP(&sp); |
|
} else { |
|
/* XXX error stat??? */ |
|
error = EINVAL; |
|
DPRINTF(("ip_input: no SP, packet discarded\n"));/*XXX*/ |
|
goto bad; |
|
} |
|
splx(s); |
|
if (error) |
|
goto bad; |
|
} |
|
#endif /* FAST_IPSEC */ |
|
|
/* |
/* |
* Switch out to protocol's input routine. |
* Switch out to protocol's input routine. |
|
|
if (m == 0) |
if (m == 0) |
return ((struct mbuf *)0); |
return ((struct mbuf *)0); |
|
|
|
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)) |
|
|
/* length is (nhops+1)*sizeof(addr) + sizeof(nop + srcrt header) */ |
/* length is (nhops+1)*sizeof(addr) + sizeof(nop + srcrt header) */ |
Line 1506 ip_forward(m, srcrt) |
|
Line 1631 ip_forward(m, srcrt) |
|
struct mbuf *mcopy; |
struct mbuf *mcopy; |
n_long dest; |
n_long dest; |
struct ifnet *destifp; |
struct ifnet *destifp; |
#ifdef IPSEC |
#if defined(IPSEC) || defined(FAST_IPSEC) |
struct ifnet dummyifp; |
struct ifnet dummyifp; |
#endif |
#endif |
|
|
/* |
/* |
|
* We are now in the output path. |
|
*/ |
|
MCLAIM(m, &ip_tx_mowner); |
|
|
|
/* |
* Clear any in-bound checksum flags for this packet. |
* Clear any in-bound checksum flags for this packet. |
*/ |
*/ |
m->m_pkthdr.csum_flags = 0; |
m->m_pkthdr.csum_flags = 0; |
Line 1594 ip_forward(m, srcrt) |
|
Line 1724 ip_forward(m, srcrt) |
|
} |
} |
} |
} |
|
|
#ifdef IPSEC |
|
/* Don't lookup socket in forwarding case */ |
|
(void)ipsec_setsocket(m, NULL); |
|
#endif |
|
error = ip_output(m, (struct mbuf *)0, &ipforward_rt, |
error = ip_output(m, (struct mbuf *)0, &ipforward_rt, |
(IP_FORWARDING | (ip_directedbcast ? IP_ALLOWBROADCAST : 0)), 0); |
(IP_FORWARDING | (ip_directedbcast ? IP_ALLOWBROADCAST : 0)), |
|
(struct ip_moptions *)NULL, (struct socket *)NULL); |
|
|
if (error) |
if (error) |
ipstat.ips_cantforward++; |
ipstat.ips_cantforward++; |
else { |
else { |
Line 1639 ip_forward(m, srcrt) |
|
Line 1767 ip_forward(m, srcrt) |
|
case EMSGSIZE: |
case EMSGSIZE: |
type = ICMP_UNREACH; |
type = ICMP_UNREACH; |
code = ICMP_UNREACH_NEEDFRAG; |
code = ICMP_UNREACH_NEEDFRAG; |
#ifndef IPSEC |
#if !defined(IPSEC) && !defined(FAST_IPSEC) |
if (ipforward_rt.ro_rt) |
if (ipforward_rt.ro_rt) |
destifp = ipforward_rt.ro_rt->rt_ifp; |
destifp = ipforward_rt.ro_rt->rt_ifp; |
#else |
#else |
Line 1656 ip_forward(m, srcrt) |
|
Line 1784 ip_forward(m, srcrt) |
|
struct route *ro; |
struct route *ro; |
|
|
sp = ipsec4_getpolicybyaddr(mcopy, |
sp = ipsec4_getpolicybyaddr(mcopy, |
IPSEC_DIR_OUTBOUND, |
IPSEC_DIR_OUTBOUND, IP_FORWARDING, |
IP_FORWARDING, |
&ipsecerror); |
&ipsecerror); |
|
|
|
if (sp == NULL) |
if (sp == NULL) |
destifp = ipforward_rt.ro_rt->rt_ifp; |
destifp = ipforward_rt.ro_rt->rt_ifp; |
else { |
else { |
/* count IPsec header size */ |
/* count IPsec header size */ |
ipsechdr = ipsec4_hdrsiz(mcopy, |
ipsechdr = ipsec4_hdrsiz(mcopy, |
IPSEC_DIR_OUTBOUND, |
IPSEC_DIR_OUTBOUND, NULL); |
NULL); |
|
|
|
/* |
/* |
* find the correct route for outer IPv4 |
* find the correct route for outer IPv4 |
Line 1692 ip_forward(m, srcrt) |
|
Line 1818 ip_forward(m, srcrt) |
|
} |
} |
} |
} |
|
|
|
#ifdef IPSEC |
key_freesp(sp); |
key_freesp(sp); |
|
#else |
|
KEY_FREESP(&sp); |
|
#endif |
} |
} |
} |
} |
#endif /*IPSEC*/ |
#endif /*IPSEC*/ |
Line 1792 ip_sysctl(name, namelen, oldp, oldlenp, |
|
Line 1922 ip_sysctl(name, namelen, oldp, oldlenp, |
|
|
|
int error, old; |
int error, old; |
|
|
/* All sysctl names at this level are terminal. */ |
/* All sysctl names (except ifq.*) at this level are terminal. */ |
if (namelen != 1) |
if ((namelen != 1) && !(namelen == 2 && name[0] == IPCTL_IFQ)) |
return (ENOTDIR); |
return (ENOTDIR); |
|
|
switch (name[0]) { |
switch (name[0]) { |
case IPCTL_FORWARDING: |
case IPCTL_FORWARDING: |
Line 1828 ip_sysctl(name, namelen, oldp, oldlenp, |
|
Line 1958 ip_sysctl(name, namelen, oldp, oldlenp, |
|
case IPCTL_MTUDISC: |
case IPCTL_MTUDISC: |
error = sysctl_int(oldp, oldlenp, newp, newlen, |
error = sysctl_int(oldp, oldlenp, newp, newlen, |
&ip_mtudisc); |
&ip_mtudisc); |
if (ip_mtudisc != 0 && ip_mtudisc_timeout_q == NULL) { |
if (error == 0 && ip_mtudisc == 0) |
ip_mtudisc_timeout_q = |
rt_timer_queue_remove_all(ip_mtudisc_timeout_q, TRUE); |
rt_timer_queue_create(ip_mtudisc_timeout); |
|
} else if (ip_mtudisc == 0 && ip_mtudisc_timeout_q != NULL) { |
|
rt_timer_queue_destroy(ip_mtudisc_timeout_q, TRUE); |
|
ip_mtudisc_timeout_q = NULL; |
|
} |
|
return error; |
return error; |
case IPCTL_ANONPORTMIN: |
case IPCTL_ANONPORTMIN: |
old = anonportmin; |
old = anonportmin; |
Line 1863 ip_sysctl(name, namelen, oldp, oldlenp, |
|
Line 1988 ip_sysctl(name, namelen, oldp, oldlenp, |
|
} |
} |
return (error); |
return (error); |
case IPCTL_MTUDISCTIMEOUT: |
case IPCTL_MTUDISCTIMEOUT: |
|
old = ip_mtudisc_timeout; |
error = sysctl_int(oldp, oldlenp, newp, newlen, |
error = sysctl_int(oldp, oldlenp, newp, newlen, |
&ip_mtudisc_timeout); |
&ip_mtudisc_timeout); |
if (ip_mtudisc_timeout_q != NULL) |
if (ip_mtudisc_timeout < 0) { |
|
ip_mtudisc_timeout = old; |
|
return (EINVAL); |
|
} |
|
if (error == 0) |
rt_timer_queue_change(ip_mtudisc_timeout_q, |
rt_timer_queue_change(ip_mtudisc_timeout_q, |
ip_mtudisc_timeout); |
ip_mtudisc_timeout); |
return (error); |
return (error); |
Line 1887 ip_sysctl(name, namelen, oldp, oldlenp, |
|
Line 2017 ip_sysctl(name, namelen, oldp, oldlenp, |
|
&hostzeroisbroadcast)); |
&hostzeroisbroadcast)); |
#if NGIF > 0 |
#if NGIF > 0 |
case IPCTL_GIF_TTL: |
case IPCTL_GIF_TTL: |
return(sysctl_int(oldp, oldlenp, newp, newlen, |
return (sysctl_int(oldp, oldlenp, newp, newlen, |
&ip_gif_ttl)); |
&ip_gif_ttl)); |
#endif |
#endif |
|
|
#if NGRE > 0 |
#if NGRE > 0 |
case IPCTL_GRE_TTL: |
case IPCTL_GRE_TTL: |
return(sysctl_int(oldp, oldlenp, newp, newlen, |
return (sysctl_int(oldp, oldlenp, newp, newlen, |
&ip_gre_ttl)); |
&ip_gre_ttl)); |
#endif |
#endif |
|
|
Line 1926 ip_sysctl(name, namelen, oldp, oldlenp, |
|
Line 2056 ip_sysctl(name, namelen, oldp, oldlenp, |
|
return (sysctl_int(oldp, oldlenp, newp, newlen, |
return (sysctl_int(oldp, oldlenp, newp, newlen, |
&ip_maxfragpackets)); |
&ip_maxfragpackets)); |
|
|
|
case IPCTL_CHECKINTERFACE: |
|
return (sysctl_int(oldp, oldlenp, newp, newlen, |
|
&ip_checkinterface)); |
|
case IPCTL_IFQ: |
|
return (sysctl_ifq(name+1, namelen-1, |
|
oldp, oldlenp, newp, newlen, |
|
&ipintrq)); |
|
|
default: |
default: |
return (EOPNOTSUPP); |
return (EOPNOTSUPP); |
} |
} |