| in_rmx.c (193232) | in_rmx.c (193731) |
|---|---|
| 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 193232 2009-06-01 15:49:42Z bz $"); | 44__FBSDID("$FreeBSD: head/sys/netinet/in_rmx.c 193731 2009-06-08 17:15:40Z 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> --- 7 unchanged lines hidden (view full) --- 60#include <net/vnet.h> 61 62#include <netinet/in.h> 63#include <netinet/in_var.h> 64#include <netinet/ip_var.h> 65#include <netinet/vinet.h> 66 67extern int in_inithead(void **head, int off); | 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> --- 7 unchanged lines hidden (view full) --- 60#include <net/vnet.h> 61 62#include <netinet/in.h> 63#include <netinet/in_var.h> 64#include <netinet/ip_var.h> 65#include <netinet/vinet.h> 66 67extern int in_inithead(void **head, int off); |
| 68#ifdef VIMAGE 69extern int in_detachhead(void **head, int off); 70#endif |
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| 68 69#define RTPRF_OURS RTF_PROTO3 /* set on routes we manage */ 70 71/* 72 * Do what we need to do when inserting a route. 73 */ 74static struct radix_node * 75in_addroute(void *v_arg, void *n_arg, struct radix_node_head *head, --- 301 unchanged lines hidden (view full) --- 377 if (_in_rt_was_here == 0 ) { 378 callout_init(&V_rtq_timer, CALLOUT_MPSAFE); 379 callout_reset(&V_rtq_timer, 1, in_rtqtimo, curvnet); 380 _in_rt_was_here = 1; 381 } 382 return 1; 383} 384 | 71 72#define RTPRF_OURS RTF_PROTO3 /* set on routes we manage */ 73 74/* 75 * Do what we need to do when inserting a route. 76 */ 77static struct radix_node * 78in_addroute(void *v_arg, void *n_arg, struct radix_node_head *head, --- 301 unchanged lines hidden (view full) --- 380 if (_in_rt_was_here == 0 ) { 381 callout_init(&V_rtq_timer, CALLOUT_MPSAFE); 382 callout_reset(&V_rtq_timer, 1, in_rtqtimo, curvnet); 383 _in_rt_was_here = 1; 384 } 385 return 1; 386} 387 |
| 388#ifdef VIMAGE 389int 390in_detachhead(void **head, int off) 391{ 392 INIT_VNET_INET(curvnet); 393 394 callout_drain(&V_rtq_timer); 395 return (1); 396} 397#endif 398 |
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| 385/* 386 * This zaps old routes when the interface goes down or interface 387 * address is deleted. In the latter case, it deletes static routes 388 * that point to this address. If we don't do this, we may end up 389 * using the old address in the future. The ones we always want to 390 * get rid of are things like ARP entries, since the user might down 391 * the interface, walk over to a completely different network, and 392 * plug back in. --- 105 unchanged lines hidden --- | 399/* 400 * This zaps old routes when the interface goes down or interface 401 * address is deleted. In the latter case, it deletes static routes 402 * that point to this address. If we don't do this, we may end up 403 * using the old address in the future. The ones we always want to 404 * get rid of are things like ARP entries, since the user might down 405 * the interface, walk over to a completely different network, and 406 * plug back in. --- 105 unchanged lines hidden --- |