in_mcast.c (fa8b3fcb4cbb145eebef6b05ccf96c737a1193f8) in_mcast.c (f3245be3499b60e790f59f84ebe24f9cc91dd982)
1/*-
2 * SPDX-License-Identifier: BSD-3-Clause
3 *
4 * Copyright (c) 2007-2009 Bruce Simpson.
5 * Copyright (c) 2005 Robert N. M. Watson.
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without

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115SX_SYSINIT(in_multi_sx, &in_multi_sx, "in_multi_sx");
116
117int ifma_restart;
118
119/*
120 * Functions with non-static linkage defined in this file should be
121 * declared in in_var.h:
122 * imo_multi_filter()
1/*-
2 * SPDX-License-Identifier: BSD-3-Clause
3 *
4 * Copyright (c) 2007-2009 Bruce Simpson.
5 * Copyright (c) 2005 Robert N. M. Watson.
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without

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115SX_SYSINIT(in_multi_sx, &in_multi_sx, "in_multi_sx");
116
117int ifma_restart;
118
119/*
120 * Functions with non-static linkage defined in this file should be
121 * declared in in_var.h:
122 * imo_multi_filter()
123 * in_addmulti()
124 * in_delmulti()
125 * in_joingroup()
126 * in_joingroup_locked()
127 * in_leavegroup()
128 * in_leavegroup_locked()
129 * and ip_var.h:
130 * inp_freemoptions()
131 * inp_getmoptions()
132 * inp_setmoptions()
123 * in_joingroup()
124 * in_joingroup_locked()
125 * in_leavegroup()
126 * in_leavegroup_locked()
127 * and ip_var.h:
128 * inp_freemoptions()
129 * inp_getmoptions()
130 * inp_setmoptions()
133 *
134 * XXX: Both carp and pf need to use the legacy (*,G) KPIs in_addmulti()
135 * and in_delmulti().
136 */
137static void imf_commit(struct in_mfilter *);
138static int imf_get_source(struct in_mfilter *imf,
139 const struct sockaddr_in *psin,
140 struct in_msource **);
141static struct in_msource *
142 imf_graft(struct in_mfilter *, const uint8_t,
143 const struct sockaddr_in *);

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1362 CTR1(KTR_IGMPV3, "%s: failed igmp downcall", __func__);
1363
1364 CTR2(KTR_IGMPV3, "%s: dropping ref on %p", __func__, inm);
1365
1366 return (error);
1367}
1368
1369/*#ifndef BURN_BRIDGES*/
131 */
132static void imf_commit(struct in_mfilter *);
133static int imf_get_source(struct in_mfilter *imf,
134 const struct sockaddr_in *psin,
135 struct in_msource **);
136static struct in_msource *
137 imf_graft(struct in_mfilter *, const uint8_t,
138 const struct sockaddr_in *);

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1357 CTR1(KTR_IGMPV3, "%s: failed igmp downcall", __func__);
1358
1359 CTR2(KTR_IGMPV3, "%s: dropping ref on %p", __func__, inm);
1360
1361 return (error);
1362}
1363
1364/*#ifndef BURN_BRIDGES*/
1370/*
1371 * Join an IPv4 multicast group in (*,G) exclusive mode.
1372 * The group must be a 224.0.0.0/24 link-scope group.
1373 * This KPI is for legacy kernel consumers only.
1374 */
1375struct in_multi *
1376in_addmulti(struct in_addr *ap, struct ifnet *ifp)
1377{
1378 struct in_multi *pinm;
1379 int error;
1380#ifdef INVARIANTS
1381 char addrbuf[INET_ADDRSTRLEN];
1382#endif
1383
1365
1384 KASSERT(IN_LOCAL_GROUP(ntohl(ap->s_addr)),
1385 ("%s: %s not in 224.0.0.0/24", __func__,
1386 inet_ntoa_r(*ap, addrbuf)));
1387
1388 error = in_joingroup(ifp, ap, NULL, &pinm);
1389 if (error != 0)
1390 pinm = NULL;
1391
1392 return (pinm);
1393}
1394
1395/*
1396 * Block or unblock an ASM multicast source on an inpcb.
1397 * This implements the delta-based API described in RFC 3678.
1398 *
1399 * The delta-based API applies only to exclusive-mode memberships.
1400 * An IGMP downcall will be performed.
1401 *
1402 * SMPng: NOTE: Must take Giant as a join may create a new ifma.

--- 1685 unchanged lines hidden --- 		1366/*
1367 * Block or unblock an ASM multicast source on an inpcb.
1368 * This implements the delta-based API described in RFC 3678.
1369 *
1370 * The delta-based API applies only to exclusive-mode memberships.
1371 * An IGMP downcall will be performed.
1372 *
1373 * SMPng: NOTE: Must take Giant as a join may create a new ifma.

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