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linux/net/ipv6
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Kuniyuki Iwashima a4c9842172 ip6mr: Replace RTNL with a dedicated mutex for MFC. 
ip6mr does not have rtnetlink interface for MFC unlike ipmr,
which uses dev_get_by_index_rcu() to set struct mfcctl.mfcc_parent.

ip6mr_mfc_add() and ip6mr_mfc_delete() are called under RTNL
from ip6_mroute_setsockopt() only.

There are no RTNL dependant, but ip6_mroute_setsockopt() reuses
RTNL just for mrt->mfc_hash and mrt->mfc_cache_list.

Let's replace RTNL with a new per-netns mutex.

Later, ip6mr_notifier_ops and ipmr_seq will be moved under
CONFIG_IPV6_MROUTE.

Signed-off-by: Kuniyuki Iwashima <kuniyu@google.com>
Link: https://patch.msgid.link/20260604224712.3209821-15-kuniyu@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-06-08 17:06:24 -07:00
..
ila net: Add SPDX ids to some source files 2026-03-09 18:32:45 -07:00
netfilter Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2026-06-04 15:29:04 -07:00
addrconf_core.c ipv6: remove obsolete EXPORT_SYMBOL() and EXPORT_SYMBOL_GPL() 2026-06-05 17:47:42 -07:00
addrconf.c net: rename netdev_ops_assert_locked() 2026-06-04 14:04:55 -07:00
addrlabel.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
af_inet6.c ipv6: remove obsolete EXPORT_SYMBOL() and EXPORT_SYMBOL_GPL() 2026-06-05 17:47:42 -07:00
ah6.c xfrm: ah: use skb_to_full_sk in async output callbacks 2026-05-16 10:56:14 +02:00
anycast.c ipv6: anycast: insert aca into global hash under idev->lock 2026-06-02 19:30:39 -07:00
calipso.c Convert remaining multi-line kmalloc_obj/flex GFP_KERNEL uses 2026-02-22 08:26:33 -08:00
datagram.c ipv6: validate extension header length before copying to cmsg 2026-05-26 18:53:10 -07:00
esp6_offload.c xfrm: Fix inner mode lookup in tunnel mode GSO segmentation 2025-12-04 09:54:53 +01:00
esp6.c Revert "esp: fix page frag reference leak on skb_to_sgvec failure" 2026-05-29 10:23:25 +02:00
exthdrs_core.c ipv6: Implement limits on extension header parsing 2026-04-30 17:21:45 -07:00
exthdrs_offload.c net: gso: add HBH extension header offload support 2024-01-05 08:11:49 -08:00
exthdrs.c ipv6: exthdrs: recompute network header pointer once 2026-06-03 19:14:56 -07:00
fib6_notifier.c net: Add SPDX ids to some source files 2026-03-09 18:32:45 -07:00
fib6_rules.c ipv6: export fib6_lookup for nft_fib_ipv6 2026-03-04 11:45:44 +01:00
fou6.c fou: Remove IPPROTO_UDPLITE check in gue_err() and gue6_err(). 2026-03-17 16:10:59 -07:00
icmp.c ipv6: fix possible UAF in icmpv6_rcv() 2026-04-18 12:09:52 -07:00
inet6_connection_sock.c ipv6: use SKB_DROP_REASON_IP_OUTNOROUTES in inet6_csk_xmit() 2026-05-12 18:31:12 -07:00
inet6_hashtables.c tcp: use __jhash_final() in inet6_ehashfn() 2026-03-29 11:45:48 -07:00
ioam6_iptunnel.c ipv6: ioam: fix heap buffer overflow in __ioam6_fill_trace_data() 2026-02-13 12:24:05 -08:00
ioam6.c net: ioam6: no longer acquire qdisc spinlock while calling qdisc_qstats_qlen_backlog() 2026-05-14 17:05:20 -07:00
ip6_checksum.c udp: Remove UDPLITE_SEND_CSCOV and UDPLITE_RECV_CSCOV. 2026-03-13 18:57:45 -07:00
ip6_fib.c net: Remove rtnl_held of struct fib_dump_filter. 2026-06-08 17:06:23 -07:00
ip6_flowlabel.c ipv6: use READ_ONCE() in ipv6_flowlabel_get() 2026-06-04 18:31:18 -07:00
ip6_gre.c ip6_gre: Use cached t->net in ip6erspan_changelink(). 2026-05-02 10:36:21 -07:00
ip6_icmp.c ipv6: remove dynamic ICMPv6 sender registration infrastructure 2026-03-29 11:21:23 -07:00
ip6_input.c ipv6: Implement limits on extension header parsing 2026-04-30 17:21:45 -07:00
ip6_offload.c net: pppoe: implement GRO/GSO support 2026-05-19 09:47:53 +02:00
ip6_offload.h
ip6_output.c ipv6: remove obsolete EXPORT_SYMBOL() and EXPORT_SYMBOL_GPL() 2026-06-05 17:47:42 -07:00
ip6_tunnel.c ipv6: Implement limits on extension header parsing 2026-04-30 17:21:45 -07:00
ip6_udp_tunnel.c udp_tunnel: Pass struct sock to udp_tunnel6_dst_lookup(). 2026-05-05 17:47:04 -07:00
ip6_vti.c ip6: vti: Use ip6_tnl.net in vti6_siocdevprivate(). 2026-05-26 11:16:12 +02:00
ip6mr.c ip6mr: Replace RTNL with a dedicated mutex for MFC. 2026-06-08 17:06:24 -07:00
ipcomp6.c xfrm: delete x->tunnel as we delete x 2025-07-08 13:28:27 +02:00
ipv6_sockglue.c ipv6: Remove UDP-Lite support for IPV6_ADDRFORM. 2026-03-13 18:57:44 -07:00
Kconfig ipv6: default IPV6_SIT to m 2026-05-05 17:31:51 -07:00
Makefile netfilter: add option for GCOV profiling 2026-05-24 22:55:47 +02:00
mcast_snoop.c
mcast.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2026-06-04 15:29:04 -07:00
mip6.c net: fill in MODULE_DESCRIPTION()s for ipv6 modules 2024-02-09 14:12:01 -08:00
ndisc.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2026-04-02 11:03:13 -07:00
netfilter.c netfilter: remove nf_ipv6_ops and use direct function calls 2026-03-29 11:21:24 -07:00
output_core.c ipv6: remove obsolete EXPORT_SYMBOL() and EXPORT_SYMBOL_GPL() 2026-06-05 17:47:42 -07:00
ping.c net: remove addr_len argument of recvmsg() handlers 2026-03-02 18:17:17 -08:00
proc.c udp: Remove UDP-Lite SNMP stats. 2026-03-13 18:57:44 -07:00
protocol.c
raw.c net: change sock_queue_rcv_skb_reason() to return a drop_reason 2026-04-12 14:30:25 -07:00
reassembly.c ipv6: frags: cleanup __IP6_INC_STATS() confusion 2026-05-27 17:27:26 -07:00
route.c ipv6: remove obsolete EXPORT_SYMBOL() and EXPORT_SYMBOL_GPL() 2026-06-05 17:47:42 -07:00
rpl_iptunnel.c net: ipv6: fix NOREF dst use in seg6 and rpl lwtunnels 2026-04-28 11:16:14 +02:00
rpl.c ipv6: rpl: Remove pskb(_may)?_pull() in ipv6_rpl_srh_rcv(). 2023-06-19 11:32:58 -07:00
seg6_hmac.c ipv6: add NULL checks for idev in SRv6 paths 2026-03-18 17:23:43 -07:00
seg6_iptunnel.c net: ipv6: fix NOREF dst use in seg6 and rpl lwtunnels 2026-04-28 11:16:14 +02:00
seg6_local.c ipv6: adopt dst_dev() helper 2025-07-02 14:32:30 -07:00
seg6.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
sit.c ipv6: sit: remove redundant ret = 0 assignment 2026-04-09 20:37:40 -07:00
syncookies.c tcp: secure_seq: add back ports to TS offset 2026-03-04 17:44:35 -08:00
sysctl_net_ipv6.c sysctl: treewide: constify the ctl_table argument of proc_handlers 2024-07-24 20:59:29 +02:00
tcp_ao.c net/tcp-ao: Return void from functions that can no longer fail 2026-04-30 09:38:56 +02:00
tcp_ipv6.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2026-05-21 15:09:02 -07:00
tcpv6_offload.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2026-01-29 17:28:54 -08:00
tunnel6.c net: fill in MODULE_DESCRIPTION()s for ipv6 modules 2024-02-09 14:12:01 -08:00
udp_offload.c udp: Don't pass udptable to IPv6 socket lookup functions. 2026-03-13 18:57:46 -07:00
udp.c udp: Force compute_score to always inline 2026-04-13 15:44:42 -07:00
xfrm6_input.c xfrm: hold dev ref until after transport_finish NF_HOOK 2026-04-07 10:12:40 +02:00
xfrm6_output.c ipv6: adopt skb_dst_dev() and skb_dst_dev_net[_rcu]() helpers 2025-07-02 14:32:30 -07:00
xfrm6_policy.c xfrm6: fix uninitialized saddr in xfrm6_get_saddr() 2026-02-02 08:03:47 +01:00
xfrm6_protocol.c ipv6: xfrm6: release dst on error in xfrm6_rcv_encap() 2026-04-17 10:40:29 +02:00
xfrm6_state.c
xfrm6_tunnel.c xfrm: flush all states in xfrm_state_fini 2025-08-06 09:23:38 +02:00