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63bc20993b
freebsd-skq/sys/netinet6
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hselasky 63bc20993b Use refcount from "in_joingroup_locked()" when joining multicast 
groups. Do not acquire additional references. This makes the IPv4 IGMP
code in line with the IPv6 MLD code.

Background:
The IPv4 multicast code puts an extra reference on the in_multi struct
when joining groups.  This becomes visible when using daemons like
igmpproxy from ports, that multicast entries do not disappear from the
output of ifmcstat(8) when multicast streams are disconnected.

This fixes a regression issue after r349762.

While at it factor the ip_mfilter_insert() and ip6_mfilter_insert() calls
to avoid repeated "is_new" check.

Differential Revision:	https://reviews.freebsd.org/D22595
Tested by:	Guido van Rooij <guido@gvr.org>
Reviewed by:	rgrimes (network)
MFC after:	1 week
Sponsored by:	Mellanox Technologies
2019-12-03 08:46:59 +00:00
..
dest6.c Fix m_pullup() problem after removing PULLDOWN_TESTs and KAME EXT_*macros. 2019-12-01 00:22:04 +00:00
frag6.c Fix m_pullup() problem after removing PULLDOWN_TESTs and KAME EXT_*macros. 2019-12-01 00:22:04 +00:00
icmp6.c Fix m_pullup() problem after removing PULLDOWN_TESTs and KAME EXT_*macros. 2019-12-01 00:22:04 +00:00
icmp6.h
in6_cksum.c sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
in6_fib.c Switch RIB and RADIX_NODE_HEAD lock from rwlock(9) to rmlock(9). 2018-06-16 08:26:23 +00:00
in6_fib.h
in6_gif.c Add the check that current VNET is ready and access to srchash is allowed. 2018-10-23 13:11:45 +00:00
in6_ifattach.c Don't cover in6_ifattach() with network epoch, as it may call into 2019-10-13 04:25:16 +00:00
in6_ifattach.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
in6_jail.c Move most of the contents of opt_compat.h to opt_global.h. 2018-04-06 17:35:35 +00:00
in6_mcast.c Use refcount from "in_joingroup_locked()" when joining multicast 2019-12-03 08:46:59 +00:00
in6_pcb.c It is unclear why in6_pcblookup_local() would require write access 2019-11-11 06:28:25 +00:00
in6_pcb.h IPv6 cleanup: kernel 2019-08-02 07:41:36 +00:00
in6_pcbgroup.c sys: general adoption of SPDX licensing ID tags. 2017-11-27 15:23:17 +00:00
in6_proto.c frag6.c: move variables and sysctls into local file 2019-08-02 10:29:53 +00:00
in6_rmx.c Use the new VNET_DEFINE_STATIC macro when we are defining static VNET 2018-07-24 16:35:52 +00:00
in6_rss.c
in6_rss.h
in6_src.c IPv6 cleanup: kernel 2019-08-02 07:41:36 +00:00
in6_var.h Widen NET_EPOCH coverage. 2019-10-07 22:40:05 +00:00
in6.c in6: move include 2019-11-19 21:14:15 +00:00
in6.h Convert all IPv4 and IPv6 multicast memberships into using a STAILQ 2019-06-25 11:54:41 +00:00
ip6_ecn.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
ip6_fastfwd.c New pfil(9) KPI together with newborn pfil API and control utility. 2019-01-31 23:01:03 +00:00
ip6_forward.c Add a missing include of opt_sctp.h. 2019-10-12 22:58:33 +00:00
ip6_gre.c Add GRE-in-UDP encapsulation support as defined in RFC8086. 2019-04-24 09:05:45 +00:00
ip6_id.c ip6_randomflowlabel: Avoid blocking if random(4) is not available 2019-04-23 17:18:20 +00:00
ip6_input.c Fix m_pullup() problem after removing PULLDOWN_TESTs and KAME EXT_*macros. 2019-12-01 00:22:04 +00:00
ip6_mroute.c Fix m_pullup() problem after removing PULLDOWN_TESTs and KAME EXT_*macros. 2019-12-01 00:22:04 +00:00
ip6_mroute.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
ip6_output.c ip6_output() has a complex set of gotos, and some can jump out of 2019-10-09 17:02:28 +00:00
ip6_var.h frag6: replace KAME hand-rolled queues with queue(9) TAILQs 2019-10-23 23:01:18 +00:00
ip6.h
ip6protosw.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
ip_fw_nat64.h Reapply r345274 with build fixes for 32-bit architectures. 2019-03-19 10:57:03 +00:00
ip_fw_nptv6.h Add ability to use dynamic external prefix in ipfw_nptv6 module. 2018-11-12 11:20:59 +00:00
mld6_var.h icmpv6: Fix mbuf change in mld 2019-11-18 21:59:47 +00:00
mld6.c Fix m_pullup() problem after removing PULLDOWN_TESTs and KAME EXT_*macros. 2019-12-01 00:22:04 +00:00
mld6.h sys: general adoption of SPDX licensing ID tags. 2017-11-27 15:23:17 +00:00
nd6_nbr.c Fix m_pullup() problem after removing PULLDOWN_TESTs and KAME EXT_*macros. 2019-12-01 00:22:04 +00:00
nd6_rtr.c Fix m_pullup() problem after removing PULLDOWN_TESTs and KAME EXT_*macros. 2019-12-01 00:22:04 +00:00
nd6.c nd6: sysctl 2019-11-19 21:08:18 +00:00
nd6.h nd6: retire defrouter_select(), use _fib() variant. 2019-11-16 00:17:35 +00:00
pim6_var.h Rework IP encapsulation handling code. 2018-06-05 20:51:01 +00:00
pim6.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
raw_ip6.c Remove unnecessary recursive epoch enter via INP_INFO_RLOCK 2019-11-07 20:40:44 +00:00
raw_ip6.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
route6.c Fix m_pullup() problem after removing PULLDOWN_TESTs and KAME EXT_*macros. 2019-12-01 00:22:04 +00:00
scope6_var.h Constify argument of in6_getscope(). 2018-06-05 20:54:29 +00:00
scope6.c Mechanical cleanup of epoch(9) usage in network stack. 2019-01-09 01:11:19 +00:00
sctp6_usrreq.c Update the hostcache also for PTB messages received for SCTP/IPv6. 2019-12-01 16:14:44 +00:00
sctp6_var.h Whitespace changes due to changes in ident. 2018-07-19 20:16:33 +00:00
send.c Use the new VNET_DEFINE_STATIC macro when we are defining static VNET 2018-07-24 16:35:52 +00:00
send.h sys: general adoption of SPDX licensing ID tags. 2017-11-27 15:23:17 +00:00
tcp6_var.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
udp6_usrreq.c Fix m_pullup() problem after removing PULLDOWN_TESTs and KAME EXT_*macros. 2019-12-01 00:22:04 +00:00
udp6_var.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00