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exynos-linux-stable/net/ipv6
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Mike Manning 4bf42a2ec1 net: ipv6: send NS for DAD when link operationally up 
[ Upstream commit 1f372c7bfb23286d2bf4ce0423ab488e86b74bb2 ]

The NS for DAD are sent on admin up as long as a valid qdisc is found.
A race condition exists by which these packets will not egress the
interface if the operational state of the lower device is not yet up.
The solution is to delay DAD until the link is operationally up
according to RFC2863. Rather than only doing this, follow the existing
code checks by deferring IPv6 device initialization altogether. The fix
allows DAD on devices like tunnels that are controlled by userspace
control plane. The fix has no impact on regular deployments, but means
that there is no IPv6 connectivity until the port has been opened in
the case of port-based network access control, which should be
desirable.

Signed-off-by: Mike Manning <mmanning@brocade.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-12-25 14:23:45 +01:00
..
ila ila_xlat: add missing hash secret initialization 2017-06-24 07:11:12 +02:00
netfilter Revert "net: fix percpu memory leaks" 2017-09-20 08:19:55 +02:00
addrconf.c net: ipv6: send NS for DAD when link operationally up 2017-12-25 14:23:45 +01:00
addrconf_core.c ipv6: change ipv6_stub_impl.ipv6_dst_lookup to take net argument 2015-07-31 15:21:30 -07:00
addrlabel.c ipv6/addrlabel: fix ip6addrlbl_get() 2015-12-22 15:57:54 -05:00
af_inet6.c ipv6: reorder icmpv6_init() and ip6_mr_init() 2017-12-14 09:28:21 +01:00
ah6.c ah6: fix error return code 2015-08-25 13:37:31 -07:00
anycast.c ipv6: coding style: comparison for equality with NULL 2015-03-31 13:51:54 -04:00
calipso.c net/ipv6: Fix CALIPSO causing GPF with datagram support 2017-06-14 15:05:52 +02:00
datagram.c ipv6: Handle IPv4-mapped src to in6addr_any dst. 2017-06-17 06:41:49 +02:00
esp6.c esp6: Fix integrity verification when ESN are used 2016-11-30 11:10:16 +01:00
exthdrs.c Merge branch 'stable-4.8' of git://git.infradead.org/users/pcmoore/selinux into next 2016-07-07 10:15:34 +10:00
exthdrs_core.c ipv6: constify the skb pointer of ipv6_find_tlv(). 2016-06-27 15:06:15 -04:00
exthdrs_offload.c ipv6: fix exthdrs offload registration in out_rt path 2015-09-02 15:31:00 -07:00
fib6_rules.c ipv6: Do not leak throw route references 2017-07-05 14:40:16 +02:00
fou6.c fou: add Kconfig options for IPv6 support 2016-05-29 22:24:21 -07:00
icmp.c net: handle no dst on skb in icmp6_send 2016-11-28 16:13:01 -05:00
inet6_connection_sock.c tcp: don't annotate mark on control socket from tcp_v6_send_response() 2017-02-18 15:11:44 +01:00
inet6_hashtables.c inet: Fix missing return value in inet6_hash 2016-10-29 12:01:49 -04:00
ip6_checksum.c ipv6: fix checksum annotation in udp6_csum_init 2016-06-14 15:26:42 -04:00
ip6_fib.c ipv6: fix typo in fib6_net_exit() 2017-09-20 08:19:56 +02:00
ip6_flowlabel.c ipv6: flowlabel: do not leave opt->tot_len with garbage 2017-11-18 11:22:22 +01:00
ip6_gre.c gre6: use log_ecn_error module parameter in ip6_tnl_rcv() 2017-12-14 09:28:22 +01:00
ip6_icmp.c ipv6: icmp: add a force_saddr param to icmp6_send() 2016-06-18 22:11:38 -07:00
ip6_input.c net: vrf: ipv6 support for local traffic to local addresses 2016-06-08 00:25:38 -07:00
ip6_offload.c gso: fix payload length when gso_size is zero 2017-11-18 11:22:20 +01:00
ip6_offload.h udp: Add GRO functions to UDP socket 2016-04-07 16:53:29 -04:00
ip6_output.c ipv6: flowlabel: do not leave opt->tot_len with garbage 2017-11-18 11:22:22 +01:00
ip6_tunnel.c ip6_tunnel: update mtu properly for ARPHRD_ETHER tunnel device in tx path 2017-10-12 11:51:23 +02:00
ip6_udp_tunnel.c ip6_udp_tunnel: remove unused IPCB related codes 2016-11-02 15:18:36 -04:00
ip6_vti.c vti6: Don't report path MTU below IPV6_MIN_MTU. 2017-12-14 09:28:16 +01:00
ip6mr.c ip6mr: fix notification device destruction 2017-05-03 08:36:36 -07:00
ipcomp6.c ipv6: White-space cleansing : Structure layouts 2014-08-24 22:37:52 -07:00
ipv6_sockglue.c net: Allow IP_MULTICAST_IF to set index to L3 slave 2017-11-30 08:39:11 +00:00
Kconfig fou: fix IPv6 Kconfig options 2016-05-31 14:07:49 -07:00
Makefile Merge branch 'stable-4.8' of git://git.infradead.org/users/pcmoore/selinux into next 2016-07-07 10:15:34 +10:00
mcast.c igmp, mld: Fix memory leak in igmpv3/mld_del_delrec() 2017-02-18 15:11:43 +01:00
mcast_snoop.c net: fix wrong skb_get() usage / crash in IGMP/MLD parsing code 2015-08-13 17:08:39 -07:00
mip6.c ipv6: use ktime_t for internal timestamps 2015-10-05 03:16:47 -07:00
ndisc.c net: l3mdev: remove redundant calls 2016-09-10 23:12:52 -07:00
netfilter.c ipv6: Pass struct net into ip6_route_me_harder 2015-09-29 20:21:32 +02:00
output_core.c ipv6: accept 64k - 1 packet length in ip6_find_1stfragopt() 2017-09-20 08:19:52 +02:00
ping.c net: ping: do not abuse udp_poll() 2017-06-14 15:05:52 +02:00
proc.c proc: snmp6: Use correct type in memset 2017-07-05 14:40:15 +02:00
protocol.c net: Export inet_offloads and inet6_offloads 2014-09-19 17:15:31 -04:00
raw.c net: ping: do not abuse udp_poll() 2017-06-14 15:05:52 +02:00
reassembly.c Revert "net: fix percpu memory leaks" 2017-09-20 08:19:55 +02:00
route.c ipv6: only call ip6_route_dev_notify() once for NETDEV_UNREGISTER 2017-11-30 08:39:01 +00:00
sit.c sit: update frag_off info 2017-12-16 16:25:45 +01:00
syncookies.c ipv4: ipv6: initialize treq->txhash in cookie_v[46]_check() 2017-08-11 08:49:32 -07:00
sysctl_net_ipv6.c calipso: Add a label cache. 2016-06-27 15:06:17 -04:00
tcp_ipv6.c ipv6: Handle IPv4-mapped src to in6addr_any dst. 2017-06-17 06:41:49 +02:00
tcpv6_offload.c tcp: cleanup static functions 2015-02-28 16:56:51 -05:00
tunnel6.c ipv6: fix tunnel error handling 2015-11-03 10:52:13 -05:00
udp.c udpv6: Fix the checksum computation when HW checksum does not apply 2017-10-12 11:51:20 +02:00
udp_impl.h udplite: call proper backlog handlers 2016-11-24 15:32:14 -05:00
udp_offload.c net: avoid skb_warn_bad_offload false positives on UFO 2017-08-12 19:31:22 -07:00
udplite.c udplite: call proper backlog handlers 2016-11-24 15:32:14 -05:00
xfrm6_input.c vti6: fix input path 2016-09-21 10:09:14 +02:00
xfrm6_mode_beet.c xfrm: simplify xfrm_address_t use 2015-03-31 13:58:35 -04:00
xfrm6_mode_ro.c ipv6: xfrm: Handle errors reported by xfrm6_find_1stfragopt() 2017-06-14 15:05:51 +02:00
xfrm6_mode_transport.c ipv6: xfrm: Handle errors reported by xfrm6_find_1stfragopt() 2017-06-14 15:05:51 +02:00
xfrm6_mode_tunnel.c ipv6: update skb->csum when CE mark is propagated 2016-01-15 15:07:23 -05:00
xfrm6_output.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2015-10-24 06:54:12 -07:00
xfrm6_policy.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-09-12 15:52:44 -07:00
xfrm6_protocol.c xfrm6: Properly handle unsupported protocols 2014-05-06 07:08:38 +02:00
xfrm6_state.c ipv6: White-space cleansing : Line Layouts 2014-08-24 22:37:52 -07:00
xfrm6_tunnel.c vti6: fix input path 2016-09-21 10:09:14 +02:00