| in_rmx.c (191548) | in_rmx.c (191816) |
|---|---|
| 1/*- 2 * Copyright 1994, 1995 Massachusetts Institute of Technology 3 * 4 * Permission to use, copy, modify, and distribute this software and 5 * its documentation for any purpose and without fee is hereby 6 * granted, provided that both the above copyright notice and this 7 * permission notice appear in all copies, that both the above 8 * copyright notice and this permission notice appear in all --- 27 unchanged lines hidden (view full) --- 36 * requested. 37 * 2) When such routes lose all their references, it arranges for them 38 * to be deleted in some random collection of circumstances, so that 39 * a large quantity of stale routing data is not kept in kernel memory 40 * indefinitely. See in_rtqtimo() below for the exact mechanism. 41 */ 42 43#include <sys/cdefs.h> | 1/*- 2 * Copyright 1994, 1995 Massachusetts Institute of Technology 3 * 4 * Permission to use, copy, modify, and distribute this software and 5 * its documentation for any purpose and without fee is hereby 6 * granted, provided that both the above copyright notice and this 7 * permission notice appear in all copies, that both the above 8 * copyright notice and this permission notice appear in all --- 27 unchanged lines hidden (view full) --- 36 * requested. 37 * 2) When such routes lose all their references, it arranges for them 38 * to be deleted in some random collection of circumstances, so that 39 * a large quantity of stale routing data is not kept in kernel memory 40 * indefinitely. See in_rtqtimo() below for the exact mechanism. 41 */ 42 43#include <sys/cdefs.h> |
| 44__FBSDID("$FreeBSD: head/sys/netinet/in_rmx.c 191548 2009-04-26 22:06:42Z zec $"); | 44__FBSDID("$FreeBSD: head/sys/netinet/in_rmx.c 191816 2009-05-05 10:56:12Z zec $"); |
| 45 46#include "opt_route.h" 47 48#include <sys/param.h> 49#include <sys/systm.h> 50#include <sys/kernel.h> 51#include <sys/sysctl.h> 52#include <sys/socket.h> --- 192 unchanged lines hidden (view full) --- 245static struct callout rtq_timer; 246#endif 247 248static void in_rtqtimo_one(void *rock); 249 250static void 251in_rtqtimo(void *rock) 252{ | 45 46#include "opt_route.h" 47 48#include <sys/param.h> 49#include <sys/systm.h> 50#include <sys/kernel.h> 51#include <sys/sysctl.h> 52#include <sys/socket.h> --- 192 unchanged lines hidden (view full) --- 245static struct callout rtq_timer; 246#endif 247 248static void in_rtqtimo_one(void *rock); 249 250static void 251in_rtqtimo(void *rock) 252{ |
| 253 CURVNET_SET((struct vnet *) rock); |
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| 253 INIT_VNET_NET(curvnet); 254 INIT_VNET_INET(curvnet); 255 int fibnum; 256 void *newrock; 257 struct timeval atv; 258 | 254 INIT_VNET_NET(curvnet); 255 INIT_VNET_INET(curvnet); 256 int fibnum; 257 void *newrock; 258 struct timeval atv; 259 |
| 259 KASSERT((rock == (void *)V_rt_tables[0][AF_INET]), 260 ("in_rtqtimo: unexpected arg")); | |
| 261 for (fibnum = 0; fibnum < rt_numfibs; fibnum++) { 262 if ((newrock = V_rt_tables[fibnum][AF_INET]) != NULL) 263 in_rtqtimo_one(newrock); 264 } 265 atv.tv_usec = 0; 266 atv.tv_sec = V_rtq_timeout; 267 callout_reset(&V_rtq_timer, tvtohz(&atv), in_rtqtimo, rock); | 260 for (fibnum = 0; fibnum < rt_numfibs; fibnum++) { 261 if ((newrock = V_rt_tables[fibnum][AF_INET]) != NULL) 262 in_rtqtimo_one(newrock); 263 } 264 atv.tv_usec = 0; 265 atv.tv_sec = V_rtq_timeout; 266 callout_reset(&V_rtq_timer, tvtohz(&atv), in_rtqtimo, rock); |
| 267 CURVNET_RESTORE(); |
|
| 268} 269 270static void 271in_rtqtimo_one(void *rock) 272{ 273 INIT_VNET_INET(curvnet); 274 struct radix_node_head *rnh = rock; 275 struct rtqk_arg arg; --- 96 unchanged lines hidden (view full) --- 372 V_rtq_timeout = RTQ_TIMEOUT; 373 374 rnh = *head; 375 rnh->rnh_addaddr = in_addroute; 376 rnh->rnh_matchaddr = in_matroute; 377 rnh->rnh_close = in_clsroute; 378 if (_in_rt_was_here == 0 ) { 379 callout_init(&V_rtq_timer, CALLOUT_MPSAFE); | 268} 269 270static void 271in_rtqtimo_one(void *rock) 272{ 273 INIT_VNET_INET(curvnet); 274 struct radix_node_head *rnh = rock; 275 struct rtqk_arg arg; --- 96 unchanged lines hidden (view full) --- 372 V_rtq_timeout = RTQ_TIMEOUT; 373 374 rnh = *head; 375 rnh->rnh_addaddr = in_addroute; 376 rnh->rnh_matchaddr = in_matroute; 377 rnh->rnh_close = in_clsroute; 378 if (_in_rt_was_here == 0 ) { 379 callout_init(&V_rtq_timer, CALLOUT_MPSAFE); |
| 380 in_rtqtimo(rnh); /* kick off timeout first time */ | 380 callout_reset(&V_rtq_timer, 1, in_rtqtimo, curvnet); |
| 381 _in_rt_was_here = 1; 382 } 383 return 1; 384} 385 386/* 387 * This zaps old routes when the interface goes down or interface 388 * address is deleted. In the latter case, it deletes static routes --- 111 unchanged lines hidden --- | 381 _in_rt_was_here = 1; 382 } 383 return 1; 384} 385 386/* 387 * This zaps old routes when the interface goes down or interface 388 * address is deleted. In the latter case, it deletes static routes --- 111 unchanged lines hidden --- |