| ip_input.c (192893) | ip_input.c (193219) |
|---|---|
| 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 --- 16 unchanged lines hidden (view full) --- 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * @(#)ip_input.c 8.2 (Berkeley) 1/4/94 30 */ 31 32#include <sys/cdefs.h> | 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 --- 16 unchanged lines hidden (view full) --- 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * @(#)ip_input.c 8.2 (Berkeley) 1/4/94 30 */ 31 32#include <sys/cdefs.h> |
| 33__FBSDID("$FreeBSD: head/sys/netinet/ip_input.c 192893 2009-05-27 12:44:36Z trasz $"); | 33__FBSDID("$FreeBSD: head/sys/netinet/ip_input.c 193219 2009-06-01 10:41:38Z rwatson $"); |
| 34 35#include "opt_bootp.h" 36#include "opt_ipfw.h" 37#include "opt_ipstealth.h" 38#include "opt_ipsec.h" 39#include "opt_route.h" 40#include "opt_mac.h" 41#include "opt_carp.h" --- 117 unchanged lines hidden (view full) --- 159 * packets for those addresses are received. 160 */ 161SYSCTL_V_INT(V_NET, vnet_inet, _net_inet_ip, OID_AUTO, 162 check_interface, CTLFLAG_RW, ip_checkinterface, 0, 163 "Verify packet arrives on correct interface"); 164 165struct pfil_head inet_pfil_hook; /* Packet filter hooks */ 166 | 34 35#include "opt_bootp.h" 36#include "opt_ipfw.h" 37#include "opt_ipstealth.h" 38#include "opt_ipsec.h" 39#include "opt_route.h" 40#include "opt_mac.h" 41#include "opt_carp.h" --- 117 unchanged lines hidden (view full) --- 159 * packets for those addresses are received. 160 */ 161SYSCTL_V_INT(V_NET, vnet_inet, _net_inet_ip, OID_AUTO, 162 check_interface, CTLFLAG_RW, ip_checkinterface, 0, 163 "Verify packet arrives on correct interface"); 164 165struct pfil_head inet_pfil_hook; /* Packet filter hooks */ 166 |
| 167static struct ifqueue ipintrq; 168static int ipqmaxlen = IFQ_MAXLEN; | 167static struct netisr_handler ip_nh = { 168 .nh_name = "ip", 169 .nh_handler = ip_input, 170 .nh_proto = NETISR_IP, 171 .nh_policy = NETISR_POLICY_FLOW, 172}; |
| 169 170extern struct domain inetdomain; 171extern struct protosw inetsw[]; 172u_char ip_protox[IPPROTO_MAX]; 173 | 173 174extern struct domain inetdomain; 175extern struct protosw inetsw[]; 176u_char ip_protox[IPPROTO_MAX]; 177 |
| 174SYSCTL_INT(_net_inet_ip, IPCTL_INTRQMAXLEN, intr_queue_maxlen, CTLFLAG_RW, 175 &ipintrq.ifq_maxlen, 0, "Maximum size of the IP input queue"); 176SYSCTL_INT(_net_inet_ip, IPCTL_INTRQDROPS, intr_queue_drops, CTLFLAG_RD, 177 &ipintrq.ifq_drops, 0, 178 "Number of packets dropped from the IP input queue"); | |
| 179 180SYSCTL_V_STRUCT(V_NET, vnet_inet, _net_inet_ip, IPCTL_STATS, stats, CTLFLAG_RW, 181 ipstat, ipstat, "IP statistics (struct ipstat, netinet/ip_var.h)"); 182 183#ifdef VIMAGE_GLOBALS 184static uma_zone_t ipq_zone; 185#endif 186static struct mtx ipqlock; --- 57 unchanged lines hidden (view full) --- 244{ 245 246 vnet_mod_register(&vnet_inet_modinfo); 247} 248 249SYSINIT(inet, SI_SUB_PROTO_BEGIN, SI_ORDER_FIRST, vnet_inet_register, 0); 250#endif 251 | 178 179SYSCTL_V_STRUCT(V_NET, vnet_inet, _net_inet_ip, IPCTL_STATS, stats, CTLFLAG_RW, 180 ipstat, ipstat, "IP statistics (struct ipstat, netinet/ip_var.h)"); 181 182#ifdef VIMAGE_GLOBALS 183static uma_zone_t ipq_zone; 184#endif 185static struct mtx ipqlock; --- 57 unchanged lines hidden (view full) --- 243{ 244 245 vnet_mod_register(&vnet_inet_modinfo); 246} 247 248SYSINIT(inet, SI_SUB_PROTO_BEGIN, SI_ORDER_FIRST, vnet_inet_register, 0); 249#endif 250 |
| 251static int 252sysctl_netinet_intr_queue_maxlen(SYSCTL_HANDLER_ARGS) 253{ 254 int error, qlimit; 255 256 netisr_getqlimit(&ip_nh, &qlimit); 257 error = sysctl_handle_int(oidp, &qlimit, 0, req); 258 if (error || !req->newptr) 259 return (error); 260 if (qlimit < 1) 261 return (EINVAL); 262 return (netisr_setqlimit(&ip_nh, qlimit)); 263} 264SYSCTL_PROC(_net_inet_ip, IPCTL_INTRQMAXLEN, intr_queue_maxlen, 265 CTLTYPE_INT|CTLFLAG_RW, 0, 0, sysctl_netinet_intr_queue_maxlen, "I", 266 "Maximum size of the IP input queue"); 267 268static int 269sysctl_netinet_intr_queue_drops(SYSCTL_HANDLER_ARGS) 270{ 271 u_int64_t qdrops_long; 272 int error, qdrops; 273 274 netisr_getqdrops(&ip_nh, &qdrops_long); 275 qdrops = qdrops_long; 276 error = sysctl_handle_int(oidp, &qdrops, 0, req); 277 if (error || !req->newptr) 278 return (error); 279 if (qdrops != 0) 280 return (EINVAL); 281 netisr_clearqdrops(&ip_nh); 282 return (0); 283} 284 285SYSCTL_PROC(_net_inet_ip, IPCTL_INTRQDROPS, intr_queue_drops, 286 CTLTYPE_INT|CTLFLAG_RD, 0, 0, sysctl_netinet_intr_queue_drops, "I", 287 "Number of packets dropped from the IP input queue"); 288 |
|
| 252/* 253 * IP initialization: fill in IP protocol switch table. 254 * All protocols not implemented in kernel go to raw IP protocol handler. 255 */ 256void 257ip_init(void) 258{ 259 INIT_VNET_INET(curvnet); --- 82 unchanged lines hidden (view full) --- 342 callout_reset(&ipport_tick_callout, 1, ipport_tick, NULL); 343 EVENTHANDLER_REGISTER(shutdown_pre_sync, ip_fini, NULL, 344 SHUTDOWN_PRI_DEFAULT); 345 EVENTHANDLER_REGISTER(nmbclusters_change, ipq_zone_change, 346 NULL, EVENTHANDLER_PRI_ANY); 347 348 /* Initialize various other remaining things. */ 349 IPQ_LOCK_INIT(); | 289/* 290 * IP initialization: fill in IP protocol switch table. 291 * All protocols not implemented in kernel go to raw IP protocol handler. 292 */ 293void 294ip_init(void) 295{ 296 INIT_VNET_INET(curvnet); --- 82 unchanged lines hidden (view full) --- 379 callout_reset(&ipport_tick_callout, 1, ipport_tick, NULL); 380 EVENTHANDLER_REGISTER(shutdown_pre_sync, ip_fini, NULL, 381 SHUTDOWN_PRI_DEFAULT); 382 EVENTHANDLER_REGISTER(nmbclusters_change, ipq_zone_change, 383 NULL, EVENTHANDLER_PRI_ANY); 384 385 /* Initialize various other remaining things. */ 386 IPQ_LOCK_INIT(); |
| 350 ipintrq.ifq_maxlen = ipqmaxlen; 351 mtx_init(&ipintrq.ifq_mtx, "ip_inq", NULL, MTX_DEF); 352 netisr_register(NETISR_IP, ip_input, &ipintrq, 0); 353 | 387 netisr_register(&ip_nh); |
| 354 ip_ft = flowtable_alloc(ip_output_flowtable_size, FL_PCPU); 355} 356 357void 358ip_fini(void *xtp) 359{ 360 361 callout_stop(&ipport_tick_callout); --- 1383 unchanged lines hidden --- | 388 ip_ft = flowtable_alloc(ip_output_flowtable_size, FL_PCPU); 389} 390 391void 392ip_fini(void *xtp) 393{ 394 395 callout_stop(&ipport_tick_callout); --- 1383 unchanged lines hidden --- |