| ip_input.c (82445) | ip_input.c (82884) |
|---|---|
| 1/* 2 * Copyright (c) 1982, 1986, 1988, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 17 unchanged lines hidden (view full) --- 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * @(#)ip_input.c 8.2 (Berkeley) 1/4/94 | 1/* 2 * Copyright (c) 1982, 1986, 1988, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 17 unchanged lines hidden (view full) --- 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * @(#)ip_input.c 8.2 (Berkeley) 1/4/94 |
| 34 * $FreeBSD: head/sys/netinet/ip_input.c 82445 2001-08-27 22:10:07Z jesper $ | 34 * $FreeBSD: head/sys/netinet/ip_input.c 82884 2001-09-03 20:03:55Z julian $ |
| 35 */ 36 37#define _IP_VHL 38 39#include "opt_bootp.h" 40#include "opt_ipfw.h" 41#include "opt_ipdn.h" 42#include "opt_ipdivert.h" --- 27 unchanged lines hidden (view full) --- 70#include <netinet/in_systm.h> 71#include <netinet/in_var.h> 72#include <netinet/ip.h> 73#include <netinet/in_pcb.h> 74#include <netinet/ip_var.h> 75#include <netinet/ip_icmp.h> 76#include <machine/in_cksum.h> 77 | 35 */ 36 37#define _IP_VHL 38 39#include "opt_bootp.h" 40#include "opt_ipfw.h" 41#include "opt_ipdn.h" 42#include "opt_ipdivert.h" --- 27 unchanged lines hidden (view full) --- 70#include <netinet/in_systm.h> 71#include <netinet/in_var.h> 72#include <netinet/ip.h> 73#include <netinet/in_pcb.h> 74#include <netinet/ip_var.h> 75#include <netinet/ip_icmp.h> 76#include <machine/in_cksum.h> 77 |
| 78#include <netinet/ipprotosw.h> 79 | |
| 80#include <sys/socketvar.h> 81 82#include <netinet/ip_fw.h> 83 84#ifdef IPSEC 85#include <netinet6/ipsec.h> 86#include <netkey/key.h> 87#endif --- 60 unchanged lines hidden (view full) --- 148SYSCTL_INT(_net_inet_ip, OID_AUTO, check_interface, CTLFLAG_RW, 149 &ip_checkinterface, 0, "Verify packet arrives on correct interface"); 150 151#ifdef DIAGNOSTIC 152static int ipprintfs = 0; 153#endif 154 155extern struct domain inetdomain; | 78#include <sys/socketvar.h> 79 80#include <netinet/ip_fw.h> 81 82#ifdef IPSEC 83#include <netinet6/ipsec.h> 84#include <netkey/key.h> 85#endif --- 60 unchanged lines hidden (view full) --- 146SYSCTL_INT(_net_inet_ip, OID_AUTO, check_interface, CTLFLAG_RW, 147 &ip_checkinterface, 0, "Verify packet arrives on correct interface"); 148 149#ifdef DIAGNOSTIC 150static int ipprintfs = 0; 151#endif 152 153extern struct domain inetdomain; |
| 156extern struct ipprotosw inetsw[]; | 154extern struct protosw inetsw[]; |
| 157u_char ip_protox[IPPROTO_MAX]; 158static int ipqmaxlen = IFQ_MAXLEN; 159struct in_ifaddrhead in_ifaddrhead; /* first inet address */ 160SYSCTL_INT(_net_inet_ip, IPCTL_INTRQMAXLEN, intr_queue_maxlen, CTLFLAG_RW, 161 &ipintrq.ifq_maxlen, 0, "Maximum size of the IP input queue"); 162SYSCTL_INT(_net_inet_ip, IPCTL_INTRQDROPS, intr_queue_drops, CTLFLAG_RD, 163 &ipintrq.ifq_drops, 0, "Number of packets dropped from the IP input queue"); 164 --- 66 unchanged lines hidden (view full) --- 231 232/* 233 * IP initialization: fill in IP protocol switch table. 234 * All protocols not implemented in kernel go to raw IP protocol handler. 235 */ 236void 237ip_init() 238{ | 155u_char ip_protox[IPPROTO_MAX]; 156static int ipqmaxlen = IFQ_MAXLEN; 157struct in_ifaddrhead in_ifaddrhead; /* first inet address */ 158SYSCTL_INT(_net_inet_ip, IPCTL_INTRQMAXLEN, intr_queue_maxlen, CTLFLAG_RW, 159 &ipintrq.ifq_maxlen, 0, "Maximum size of the IP input queue"); 160SYSCTL_INT(_net_inet_ip, IPCTL_INTRQDROPS, intr_queue_drops, CTLFLAG_RD, 161 &ipintrq.ifq_drops, 0, "Number of packets dropped from the IP input queue"); 162 --- 66 unchanged lines hidden (view full) --- 229 230/* 231 * IP initialization: fill in IP protocol switch table. 232 * All protocols not implemented in kernel go to raw IP protocol handler. 233 */ 234void 235ip_init() 236{ |
| 239 register struct ipprotosw *pr; | 237 register struct protosw *pr; |
| 240 register int i; 241 242 TAILQ_INIT(&in_ifaddrhead); | 238 register int i; 239 240 TAILQ_INIT(&in_ifaddrhead); |
| 243 pr = (struct ipprotosw *)pffindproto(PF_INET, IPPROTO_RAW, SOCK_RAW); | 241 pr = pffindproto(PF_INET, IPPROTO_RAW, SOCK_RAW); |
| 244 if (pr == 0) 245 panic("ip_init"); 246 for (i = 0; i < IPPROTO_MAX; i++) 247 ip_protox[i] = pr - inetsw; | 242 if (pr == 0) 243 panic("ip_init"); 244 for (i = 0; i < IPPROTO_MAX; i++) 245 ip_protox[i] = pr - inetsw; |
| 248 for (pr = (struct ipprotosw *)inetdomain.dom_protosw; 249 pr < (struct ipprotosw *)inetdomain.dom_protoswNPROTOSW; pr++) | 246 for (pr = inetdomain.dom_protosw; 247 pr < inetdomain.dom_protoswNPROTOSW; pr++) |
| 250 if (pr->pr_domain->dom_family == PF_INET && 251 pr->pr_protocol && pr->pr_protocol != IPPROTO_RAW) 252 ip_protox[pr->pr_protocol] = pr - inetsw; 253 254 for (i = 0; i < IPREASS_NHASH; i++) 255 TAILQ_INIT(&ipq[i]); 256 257 maxnipq = nmbclusters / 4; --- 556 unchanged lines hidden (view full) --- 814 } 815#endif 816 817 /* 818 * Switch out to protocol's input routine. 819 */ 820 ipstat.ips_delivered++; 821 { | 248 if (pr->pr_domain->dom_family == PF_INET && 249 pr->pr_protocol && pr->pr_protocol != IPPROTO_RAW) 250 ip_protox[pr->pr_protocol] = pr - inetsw; 251 252 for (i = 0; i < IPREASS_NHASH; i++) 253 TAILQ_INIT(&ipq[i]); 254 255 maxnipq = nmbclusters / 4; --- 556 unchanged lines hidden (view full) --- 812 } 813#endif 814 815 /* 816 * Switch out to protocol's input routine. 817 */ 818 ipstat.ips_delivered++; 819 { |
| 822 int off = hlen, nh = ip->ip_p; | 820 int off = hlen; |
| 823 | 821 |
| 824 (*inetsw[ip_protox[ip->ip_p]].pr_input)(m, off, nh); | 822 (*inetsw[ip_protox[ip->ip_p]].pr_input)(m, off); |
| 825#ifdef IPFIREWALL_FORWARD 826 ip_fw_fwd_addr = NULL; /* tcp needed it */ 827#endif 828 return; 829 } 830bad: 831#ifdef IPFIREWALL_FORWARD 832 ip_fw_fwd_addr = NULL; --- 1076 unchanged lines hidden --- | 823#ifdef IPFIREWALL_FORWARD 824 ip_fw_fwd_addr = NULL; /* tcp needed it */ 825#endif 826 return; 827 } 828bad: 829#ifdef IPFIREWALL_FORWARD 830 ip_fw_fwd_addr = NULL; --- 1076 unchanged lines hidden --- |