linux/fs/nfsd/netlink.c
Lorenzo Bianconi 16a4711774 NFSD: add listener-{set,get} netlink command
Introduce write_ports netlink command. For listener-set, userspace is
expected to provide a NFS listeners list it wants enabled. All other
sockets will be closed.

Reviewed-by: Jeff Layton <jlayton@kernel.org>
Co-developed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2024-05-06 09:07:22 -04:00

99 lines
2.9 KiB
C

// SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause)
/* Do not edit directly, auto-generated from: */
/* Documentation/netlink/specs/nfsd.yaml */
/* YNL-GEN kernel source */
#include <net/netlink.h>
#include <net/genetlink.h>
#include "netlink.h"
#include <uapi/linux/nfsd_netlink.h>
/* Common nested types */
const struct nla_policy nfsd_sock_nl_policy[NFSD_A_SOCK_TRANSPORT_NAME + 1] = {
[NFSD_A_SOCK_ADDR] = { .type = NLA_BINARY, },
[NFSD_A_SOCK_TRANSPORT_NAME] = { .type = NLA_NUL_STRING, },
};
const struct nla_policy nfsd_version_nl_policy[NFSD_A_VERSION_ENABLED + 1] = {
[NFSD_A_VERSION_MAJOR] = { .type = NLA_U32, },
[NFSD_A_VERSION_MINOR] = { .type = NLA_U32, },
[NFSD_A_VERSION_ENABLED] = { .type = NLA_FLAG, },
};
/* NFSD_CMD_THREADS_SET - do */
static const struct nla_policy nfsd_threads_set_nl_policy[NFSD_A_SERVER_SCOPE + 1] = {
[NFSD_A_SERVER_THREADS] = { .type = NLA_U32, },
[NFSD_A_SERVER_GRACETIME] = { .type = NLA_U32, },
[NFSD_A_SERVER_LEASETIME] = { .type = NLA_U32, },
[NFSD_A_SERVER_SCOPE] = { .type = NLA_NUL_STRING, },
};
/* NFSD_CMD_VERSION_SET - do */
static const struct nla_policy nfsd_version_set_nl_policy[NFSD_A_SERVER_PROTO_VERSION + 1] = {
[NFSD_A_SERVER_PROTO_VERSION] = NLA_POLICY_NESTED(nfsd_version_nl_policy),
};
/* NFSD_CMD_LISTENER_SET - do */
static const struct nla_policy nfsd_listener_set_nl_policy[NFSD_A_SERVER_SOCK_ADDR + 1] = {
[NFSD_A_SERVER_SOCK_ADDR] = NLA_POLICY_NESTED(nfsd_sock_nl_policy),
};
/* Ops table for nfsd */
static const struct genl_split_ops nfsd_nl_ops[] = {
{
.cmd = NFSD_CMD_RPC_STATUS_GET,
.start = nfsd_nl_rpc_status_get_start,
.dumpit = nfsd_nl_rpc_status_get_dumpit,
.done = nfsd_nl_rpc_status_get_done,
.flags = GENL_CMD_CAP_DUMP,
},
{
.cmd = NFSD_CMD_THREADS_SET,
.doit = nfsd_nl_threads_set_doit,
.policy = nfsd_threads_set_nl_policy,
.maxattr = NFSD_A_SERVER_SCOPE,
.flags = GENL_ADMIN_PERM | GENL_CMD_CAP_DO,
},
{
.cmd = NFSD_CMD_THREADS_GET,
.doit = nfsd_nl_threads_get_doit,
.flags = GENL_CMD_CAP_DO,
},
{
.cmd = NFSD_CMD_VERSION_SET,
.doit = nfsd_nl_version_set_doit,
.policy = nfsd_version_set_nl_policy,
.maxattr = NFSD_A_SERVER_PROTO_VERSION,
.flags = GENL_ADMIN_PERM | GENL_CMD_CAP_DO,
},
{
.cmd = NFSD_CMD_VERSION_GET,
.doit = nfsd_nl_version_get_doit,
.flags = GENL_CMD_CAP_DO,
},
{
.cmd = NFSD_CMD_LISTENER_SET,
.doit = nfsd_nl_listener_set_doit,
.policy = nfsd_listener_set_nl_policy,
.maxattr = NFSD_A_SERVER_SOCK_ADDR,
.flags = GENL_ADMIN_PERM | GENL_CMD_CAP_DO,
},
{
.cmd = NFSD_CMD_LISTENER_GET,
.doit = nfsd_nl_listener_get_doit,
.flags = GENL_CMD_CAP_DO,
},
};
struct genl_family nfsd_nl_family __ro_after_init = {
.name = NFSD_FAMILY_NAME,
.version = NFSD_FAMILY_VERSION,
.netnsok = true,
.parallel_ops = true,
.module = THIS_MODULE,
.split_ops = nfsd_nl_ops,
.n_split_ops = ARRAY_SIZE(nfsd_nl_ops),
};