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66eb9f86e5
linux/net/ipv6
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Mahesh Bandewar 66eb9f86e5 ipv6: avoid dad-failures for addresses with NODAD 
Every address gets added with TENTATIVE flag even for the addresses with
IFA_F_NODAD flag and dad-work is scheduled for them. During this DAD process
we realize it's an address with NODAD and complete the process without
sending any probe. However the TENTATIVE flags stays on the
address for sometime enough to cause misinterpretation when we receive a NS.
While processing NS, if the address has TENTATIVE flag, we mark it DADFAILED
and endup with an address that was originally configured as NODAD with
DADFAILED.

We can't avoid scheduling dad_work for addresses with NODAD but we can
avoid adding TENTATIVE flag to avoid this racy situation.

Signed-off-by: Mahesh Bandewar <maheshb@google.com>
Acked-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-05-15 14:31:51 -04:00
..
ila net/ipv6/ila/ila_xlat.c: simplify a strange allocation pattern 2017-05-08 17:15:12 -07:00
netfilter Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf 2017-05-03 10:11:26 -04:00
addrconf_core.c
addrconf.c ipv6: avoid dad-failures for addresses with NODAD 2017-05-15 14:31:51 -04:00
addrlabel.c net: rtnetlink: plumb extended ack to doit function 2017-04-17 15:35:38 -04:00
af_inet6.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-04-26 22:39:08 -04:00
ah6.c IPsec: do not ignore crypto err in ah6 input 2017-01-16 12:57:48 +01:00
anycast.c
calipso.c
datagram.c net-timestamp: avoid use-after-free in ip_recv_error 2017-04-17 12:59:22 -04:00
esp6_offload.c esp4/6: Fix GSO path for non-GSO SW-crypto packets 2017-04-19 07:48:57 +02:00
esp6.c esp: Fix misplaced spin_unlock_bh. 2017-04-24 07:56:31 +02:00
exthdrs_core.c
exthdrs_offload.c
exthdrs.c ipv6: Need to export ipv6_push_frag_opts for tunneling now. 2017-05-01 15:10:20 -04:00
fib6_rules.c
fou6.c
icmp.c net: for rate-limited ICMP replies save one atomic operation 2017-01-09 15:49:12 -05:00
inet6_connection_sock.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-01-28 10:33:06 -05:00
inet6_hashtables.c inet: collapse ipv4/v6 rcv_saddr_equal functions into one 2017-01-18 13:04:28 -05:00
ip6_checksum.c
ip6_fib.c ipv6: make ECMP route replacement less greedy 2017-03-13 12:16:17 -07:00
ip6_flowlabel.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
ip6_gre.c ip6_tunnel: Allow policy-based routing through tunnels 2017-04-21 13:21:30 -04:00
ip6_icmp.c
ip6_input.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-04-20 10:35:33 -04:00
ip6_offload.c net/tunnel: set inner protocol in network gro hooks 2017-03-09 13:19:52 -08:00
ip6_offload.h
ip6_output.c ipv6: avoid write to a possibly cloned skb 2017-03-13 12:53:35 -07:00
ip6_tunnel.c ip6_tunnel: Fix missing tunnel encapsulation limit option 2017-05-01 14:52:45 -04:00
ip6_udp_tunnel.c
ip6_vti.c ip6_tunnel: Allow policy-based routing through tunnels 2017-04-21 13:21:30 -04:00
ip6mr.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-04-21 20:23:53 -07:00
ipcomp6.c
ipv6_sockglue.c net: Allow IP_MULTICAST_IF to set index to L3 slave 2016-12-30 15:24:47 -05:00
Kconfig ipv6: sr: select DST_CACHE by default 2017-03-27 16:05:06 -07:00
Makefile esp: Add a software GRO codepath 2017-02-15 11:04:11 +01:00
mcast_snoop.c
mcast.c ipv6: add support for NETDEV_RESEND_IGMP event 2017-03-28 22:02:21 -07:00
mip6.c ktime: Get rid of ktime_equal() 2016-12-25 17:21:23 +01:00
ndisc.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-04-26 22:39:08 -04:00
netfilter.c
output_core.c ipv6: Set skb->protocol properly for local output 2016-12-02 12:34:22 -05:00
ping.c ipv6: remove unnecessary inet6_sk check 2016-12-29 12:05:49 -05:00
proc.c
protocol.c net: Add sysctl to toggle early demux for tcp and udp 2017-03-24 13:17:07 -07:00
raw.c ipv4, ipv6: ensure raw socket message is big enough to hold an IP header 2017-05-04 11:02:46 -04:00
reassembly.c
route.c ipv6: reorder ip6_route_dev_notifier after ipv6_dev_notf 2017-05-08 17:31:24 -04:00
seg6_hmac.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-02-07 16:29:30 -05:00
seg6_iptunnel.c ipv6: sr: fix BUG due to headroom too small after SRH push 2017-04-17 15:33:53 -04:00
seg6.c ipv6: sr: fix out-of-bounds access in SRH validation 2017-04-20 15:40:33 -04:00
sit.c ip_tunnel: Allow policy-based routing through tunnels 2017-04-21 13:21:31 -04:00
syncookies.c tcp: randomize timestamps on syncookies 2017-05-05 12:00:11 -04:00
sysctl_net_ipv6.c
tcp_ipv6.c ipv6/dccp: do not inherit ipv6_mc_list from parent 2017-05-11 12:17:02 -04:00
tcpv6_offload.c
tunnel6.c
udp_impl.h udplite: call proper backlog handlers 2016-11-24 15:32:14 -05:00
udp_offload.c
udp.c net: ipv6: Fix UDP early demux lookup with udp_l3mdev_accept=0 2017-04-20 15:50:27 -04:00
udplite.c udplite: call proper backlog handlers 2016-11-24 15:32:14 -05:00
xfrm6_input.c esp: Add a software GRO codepath 2017-02-15 11:04:11 +01:00
xfrm6_mode_beet.c
xfrm6_mode_ro.c
xfrm6_mode_transport.c xfrm: Add encapsulation header offsets while SKB is not encrypted 2017-04-14 10:07:39 +02:00
xfrm6_mode_tunnel.c xfrm: Add encapsulation header offsets while SKB is not encrypted 2017-04-14 10:07:39 +02:00
xfrm6_output.c xfrm: Add an IPsec hardware offloading API 2017-04-14 10:06:10 +02:00
xfrm6_policy.c xfrm: policy: make policy backend const 2017-02-09 10:22:19 +01:00
xfrm6_protocol.c xfrm: input: constify xfrm_input_afinfo 2017-02-09 10:22:17 +01:00
xfrm6_state.c
xfrm6_tunnel.c