ipv6: introduce secret_stable to ipv6_devconf
This patch implements the procfs logic for the stable_address knob: The secret is formatted as an ipv6 address and will be stored per interface and per namespace. We track initialized flag and return EIO errors until the secret is set. We don't inherit the secret to newly created namespaces. Cc: Erik Kline <ek@google.com> Cc: Fernando Gont <fgont@si6networks.com> Cc: Lorenzo Colitti <lorenzo@google.com> Cc: YOSHIFUJI Hideaki/吉藤英明 <hideaki.yoshifuji@miraclelinux.com> Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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David S. Miller

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3d1bec9932
@@ -53,6 +53,10 @@ struct ipv6_devconf {
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__s32 ndisc_notify;
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__s32 suppress_frag_ndisc;
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__s32 accept_ra_mtu;
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struct ipv6_stable_secret {
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bool initialized;
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struct in6_addr secret;
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} stable_secret;
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void *sysctl;
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};
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