src/sys/netinet/ip_input.c - diff

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Diff for /src/sys/netinet/ip_input.c between version 1.93.2.4 and 1.114.4.4

version 1.93.2.4, 2001/01/05 17:36:55

version 1.114.4.4, 2001/03/11 21:10:34

Line 120

#include <sys/proc.h>

#include <sys/pool.h>

#include <uvm/uvm_extern.h>

#include <vm/vm.h>

#include <sys/sysctl.h>

#include <net/if.h>

Line 147

Line 146

#ifdef IPSEC

#include <netinet6/ipsec.h>

#include <netkey/key.h>

#include <netkey/key_debug.h>

#endif

#ifndef IPFORWARDING

Line 205 struct ifqueue ipintrq;

struct ipstat ipstat;

u_int16_t ip_id;

#ifdef PFIL_HOOKS

struct pfil_head inet_pfil_hook;

#endif

struct ipqhead ipq;

int ipq_locked;

Line 308 ip_init()

Line 304 ip_init()

ip_id = time.tv_sec & 0xffff;

ipintrq.ifq_maxlen = ipqmaxlen;

TAILQ_INIT(&in_ifaddr);

in_ifaddrhashtbl = hashinit(IN_IFADDR_HASH_SIZE, HASH_LIST, M_IFADDR,

in_ifaddrhashtbl =

M_WAITOK, &in_ifaddrhash);

hashinit(IN_IFADDR_HASH_SIZE, M_IFADDR, M_WAITOK, &in_ifaddrhash);

if (ip_mtudisc != 0)

ip_mtudisc_timeout_q =

rt_timer_queue_create(ip_mtudisc_timeout);

#ifdef GATEWAY

ipflow_init();

#endif

#ifdef PFIL_HOOKS

/* Register our Packet Filter hook. */

inet_pfil_hook.ph_type = PFIL_TYPE_AF;

inet_pfil_hook.ph_af = AF_INET;

i = pfil_head_register(&inet_pfil_hook);

if (i != 0)

printf("ip_init: WARNING: unable to register pfil hook, "

"error %d\n", i);

#endif /* PFIL_HOOKS */

}

struct sockaddr_in ipaddr = { sizeof(ipaddr), AF_INET };

Line 364 ip_input(struct mbuf *m)

Line 350 ip_input(struct mbuf *m)

struct ipqent *ipqe;

int hlen = 0, mff, len;

int downmatch;

#ifdef PFIL_HOOKS

struct packet_filter_hook *pfh;

struct mbuf *m0;

int rv;

#endif /* PFIL_HOOKS */

#ifdef DIAGNOSTIC

if ((m->m_flags & M_PKTHDR) == 0)

Line 423 ip_input(struct mbuf *m)

Line 414 ip_input(struct mbuf *m)

goto bad;

}

/* Retrieve the packet length. */

len = ntohs(ip->ip_len);

* Convert fields to host representation.

NTOHS(ip->ip_len);

NTOHS(ip->ip_off);

len = ip->ip_len;

* Check for additional length bogosity

Line 471 ip_input(struct mbuf *m)

Line 466 ip_input(struct mbuf *m)

* Note that filters must _never_ set this flag, as another filter

* in the list may have previously cleared it.

if (pfil_run_hooks(&inet_pfil_hook, &m, m->m_pkthdr.rcvif,

m0 = m;

PFIL_IN) != 0)

pfh = pfil_hook_get(PFIL_IN, &inetsw[ip_protox[IPPROTO_IP]].pr_pfh);

return;

for (; pfh; pfh = pfh->pfil_link.tqe_next)

if (m == NULL)

if (pfh->pfil_func) {

return;

rv = pfh->pfil_func(ip, hlen,

ip = mtod(m, struct ip *);

m->m_pkthdr.rcvif, 0, &m0);

if (rv)

return;

m = m0;

if (m == NULL)

return;

ip = mtod(m, struct ip *);

}

#endif /* PFIL_HOOKS */

#ifdef ALTQ

/* XXX Temporary until ALTQ is changed to use a pfil hook */

if (altq_input != NULL && (*altq_input)(m, AF_INET) == 0) {

/* packet dropped by traffic conditioner */

return;

}

#endif

* Convert fields to host representation.

NTOHS(ip->ip_len);

NTOHS(ip->ip_off);

* Process options and, if not destined for us,

* ship it on. ip_dooptions returns 1 when an

Line 699 found:

Line 687 found:

IPQ_UNLOCK();

}

#ifdef 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 &&

ipsec4_in_reject(m, NULL)) {

ipsecstat.in_polvio++;

goto bad;

}

#endif

* Switch out to protocol's input routine.

#if IFA_STATS

if (ia && ip)

ia->ia_ifa.ifa_data.ifad_inbytes += ip->ip_len;

#endif

ipstat.ips_delivered++;

{

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