From: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Date: Fri, 22 Mar 2013 06:28:43 +0000 (+0000)
Subject: ipv6: provide addr and netconf dump consistency info
X-Git-Tag: omap-for-v3.10/dt-fixes-for-merge-window~65^2~350
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=63998ac24f8370caf99e433483532bab8368eb7e;p=pandora-kernel.git

ipv6: provide addr and netconf dump consistency info

This patch adds a dev_addr_genid for IPv6. The goal is to use it, combined with
dev_base_seq to check if a change occurs during a netlink dump.
If a change is detected, the flag NLM_F_DUMP_INTR is set in the first message
after the dump was interrupted.

Note that only dump of unicast addresses is checked (multicast and anycast are
not checked).

Reported-by: Junwei Zhang <junwei.zhang@6wind.com>
Reported-by: Hongjun Li <hongjun.li@6wind.com>
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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