pfil.c (198233) | pfil.c (241888) |
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1/* $FreeBSD: head/sys/net/pfil.c 198233 2009-10-19 15:19:14Z rwatson $ */ | 1/* $FreeBSD: head/sys/net/pfil.c 241888 2012-10-22 14:10:17Z melifaro $ */ |
2/* $NetBSD: pfil.c,v 1.20 2001/11/12 23:49:46 lukem Exp $ */ 3 4/*- 5 * Copyright (c) 1996 Matthew R. Green 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions --- 46 unchanged lines hidden (view full) --- 56 57static int pfil_list_remove(pfil_list_t *, 58 int (*)(void *, struct mbuf **, struct ifnet *, int, struct inpcb *), 59 void *); 60 61LIST_HEAD(pfilheadhead, pfil_head); 62VNET_DEFINE(struct pfilheadhead, pfil_head_list); 63#define V_pfil_head_list VNET(pfil_head_list) | 2/* $NetBSD: pfil.c,v 1.20 2001/11/12 23:49:46 lukem Exp $ */ 3 4/*- 5 * Copyright (c) 1996 Matthew R. Green 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions --- 46 unchanged lines hidden (view full) --- 56 57static int pfil_list_remove(pfil_list_t *, 58 int (*)(void *, struct mbuf **, struct ifnet *, int, struct inpcb *), 59 void *); 60 61LIST_HEAD(pfilheadhead, pfil_head); 62VNET_DEFINE(struct pfilheadhead, pfil_head_list); 63#define V_pfil_head_list VNET(pfil_head_list) |
64VNET_DEFINE(struct rmlock, pfil_lock); 65#define V_pfil_lock VNET(pfil_lock) |
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64 65/* 66 * pfil_run_hooks() runs the specified packet filter hooks. 67 */ 68int 69pfil_run_hooks(struct pfil_head *ph, struct mbuf **mp, struct ifnet *ifp, 70 int dir, struct inpcb *inp) 71{ --- 14 unchanged lines hidden (view full) --- 86 } 87 } 88 PFIL_RUNLOCK(ph, &rmpt); 89 *mp = m; 90 return (rv); 91} 92 93/* | 66 67/* 68 * pfil_run_hooks() runs the specified packet filter hooks. 69 */ 70int 71pfil_run_hooks(struct pfil_head *ph, struct mbuf **mp, struct ifnet *ifp, 72 int dir, struct inpcb *inp) 73{ --- 14 unchanged lines hidden (view full) --- 88 } 89 } 90 PFIL_RUNLOCK(ph, &rmpt); 91 *mp = m; 92 return (rv); 93} 94 95/* |
96 * pfil_try_rlock() acquires rm reader lock for specified head 97 * if this is immediately possible, 98 */ 99int 100pfil_try_rlock(struct pfil_head *ph, struct rm_priotracker *tracker) 101{ 102 return PFIL_TRY_RLOCK(ph, tracker); 103} 104 105/* 106 * pfil_rlock() acquires rm reader lock for specified head. 107 */ 108void 109pfil_rlock(struct pfil_head *ph, struct rm_priotracker *tracker) 110{ 111 PFIL_RLOCK(ph, tracker); 112} 113 114/* 115 * pfil_runlock() releases reader lock for specified head. 116 */ 117void 118pfil_runlock(struct pfil_head *ph, struct rm_priotracker *tracker) 119{ 120 PFIL_RUNLOCK(ph, tracker); 121} 122 123/* 124 * pfil_wlock() acquires writer lock for specified head. 125 */ 126void 127pfil_wlock(struct pfil_head *ph) 128{ 129 PFIL_WLOCK(ph); 130} 131 132/* 133 * pfil_wunlock() releases writer lock for specified head. 134 */ 135void 136pfil_wunlock(struct pfil_head *ph) 137{ 138 PFIL_WUNLOCK(ph); 139} 140 141/* 142 * pfil_wowned() releases writer lock for specified head. 143 */ 144int 145pfil_wowned(struct pfil_head *ph) 146{ 147 return PFIL_WOWNED(ph); 148} 149/* |
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94 * pfil_head_register() registers a pfil_head with the packet filter hook 95 * mechanism. 96 */ 97int 98pfil_head_register(struct pfil_head *ph) 99{ 100 struct pfil_head *lph; 101 --- 188 unchanged lines hidden (view full) --- 290 * Stuff that must be initialized for every instance (including the first of 291 * course). 292 */ 293static int 294vnet_pfil_init(const void *unused) 295{ 296 297 LIST_INIT(&V_pfil_head_list); | 150 * pfil_head_register() registers a pfil_head with the packet filter hook 151 * mechanism. 152 */ 153int 154pfil_head_register(struct pfil_head *ph) 155{ 156 struct pfil_head *lph; 157 --- 188 unchanged lines hidden (view full) --- 346 * Stuff that must be initialized for every instance (including the first of 347 * course). 348 */ 349static int 350vnet_pfil_init(const void *unused) 351{ 352 353 LIST_INIT(&V_pfil_head_list); |
354 PFIL_LOCK_INIT_REAL(&V_pfil_lock, "shared"); |
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298 return (0); 299} 300 301/* 302 * Called for the removal of each instance. 303 */ 304static int 305vnet_pfil_uninit(const void *unused) 306{ 307 308 /* XXX should panic if list is not empty */ | 355 return (0); 356} 357 358/* 359 * Called for the removal of each instance. 360 */ 361static int 362vnet_pfil_uninit(const void *unused) 363{ 364 365 /* XXX should panic if list is not empty */ |
366 PFIL_LOCK_DESTROY_REAL(&V_pfil_lock); |
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309 return (0); 310} 311 312/* Define startup order. */ 313#define PFIL_SYSINIT_ORDER SI_SUB_PROTO_BEGIN 314#define PFIL_MODEVENT_ORDER (SI_ORDER_FIRST) /* On boot slot in here. */ 315#define PFIL_VNET_ORDER (PFIL_MODEVENT_ORDER + 2) /* Later still. */ 316 --- 15 unchanged lines hidden --- | 367 return (0); 368} 369 370/* Define startup order. */ 371#define PFIL_SYSINIT_ORDER SI_SUB_PROTO_BEGIN 372#define PFIL_MODEVENT_ORDER (SI_ORDER_FIRST) /* On boot slot in here. */ 373#define PFIL_VNET_ORDER (PFIL_MODEVENT_ORDER + 2) /* Later still. */ 374 --- 15 unchanged lines hidden --- |