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712bdbb215
Add netlink-based cache upcall support for the ip_map (auth.unix.ip) cache, using the sunrpc generic netlink family. Add ip-map attribute-set (seqno, class, addr, domain, negative, expiry), ip-map-reqs wrapper, and ip-map-get-reqs / ip-map-set-reqs operations to the sunrpc_cache YAML spec and generated headers. Implement sunrpc_nl_ip_map_get_reqs_dumpit() which snapshots pending ip_map cache requests and sends each entry's seqno, class name, and IP address over netlink. Implement sunrpc_nl_ip_map_set_reqs_doit() which parses ip_map cache responses from userspace (class, addr, expiry, and domain name or negative flag) and updates the cache via __ip_map_lookup() / __ip_map_update(). Wire up ip_map_notify() callback in ip_map_cache_template so cache misses trigger SUNRPC_CMD_CACHE_NOTIFY multicast events with SUNRPC_CACHE_TYPE_IP_MAP. Signed-off-by: Jeff Layton <jlayton@kernel.org> Signed-off-by: Chuck Lever <chuck.lever@oracle.com> |
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