Messages in this thread | | | Date | Wed, 13 Apr 2022 14:22:09 -0700 | Subject | Re: [PATCH net-next v3] net/ipv6: Introduce accept_unsolicited_na knob to implement router-side changes for RFC9131 | From | Eric Dumazet <> |
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On 4/13/22 07:34, Arun Ajith S wrote: > Add a new neighbour cache entry in STALE state for routers on receiving > an unsolicited (gratuitous) neighbour advertisement with > target link-layer-address option specified. > This is similar to the arp_accept configuration for IPv4. > A new sysctl endpoint is created to turn on this behaviour: > /proc/sys/net/ipv6/conf/interface/accept_unsolicited_na.
Do we really need to expose this to /proc/sys, for every interface added in the host ?
/proc files creations/deletion cost a lot in environments adding/deleting netns very often.
I would prefer using NETLINK attributes, a single recvmsg() syscall can fetch/set hundreds of them.
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