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authorVishwanath Pai <vpai@akamai.com>2017-10-30 19:38:52 -0400
committerDavid S. Miller <davem@davemloft.net>2017-11-01 20:53:49 +0900
commitda13c59b9936dfedcf9f2203bd29fbf83ad672bf (patch)
treec7cd1ad6e06b95449196f3aa3b9f58ff87dcc550 /Documentation/bpf
parentcdb583cfe7d79b784a74b97deb2997fccb5dcf9b (diff)
net: display hw address of source machine during ipv6 DAD failure
This patch updates the error messages displayed in kernel log to include hwaddress of the source machine that caused ipv6 duplicate address detection failures. Examples: a) When we receive a NA packet from another machine advertising our address: ICMPv6: NA: 34:ab:cd:56:11:e8 advertised our address 2001:db8:: on eth0! b) When we detect DAD failure during address assignment to an interface: IPv6: eth0: IPv6 duplicate address 2001:db8:: used by 34:ab:cd:56:11:e8 detected! v2: Changed %pI6 to %pI6c in ndisc_recv_na() Chaged the v6 address in the commit message to 2001:db8:: Suggested-by: Igor Lubashev <ilubashe@akamai.com> Signed-off-by: Vishwanath Pai <vpai@akamai.com> Acked-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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