fs/nfsd/netlink.c

Source file repositories/reference/linux-study-clean/fs/nfsd/netlink.c

File Facts

System
Linux kernel
Corpus path
fs/nfsd/netlink.c
Extension
.c
Size
8375 bytes
Lines
246
Domain
Core OS
Bucket
VFS And Filesystem Core
Inferred role
Core OS: implementation source
Status
source implementation candidate

Why This File Exists

Core operating-system implementation surface: boot, tasks, memory, VFS, syscall-facing interfaces, synchronization, credentials, and isolation.

Dependency Surface

Detected Declarations

Annotated Snippet

// 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 */
/* To regenerate run: tools/net/ynl/ynl-regen.sh */

#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_auth_flavor_nl_policy[NFSD_A_AUTH_FLAVOR_FLAGS + 1] = {
	[NFSD_A_AUTH_FLAVOR_PSEUDOFLAVOR] = { .type = NLA_U32, },
	[NFSD_A_AUTH_FLAVOR_FLAGS] = NLA_POLICY_MASK(NLA_U32, 0x3ffff),
};

const struct nla_policy nfsd_expkey_nl_policy[NFSD_A_EXPKEY_PATH + 1] = {
	[NFSD_A_EXPKEY_SEQNO] = { .type = NLA_U64, },
	[NFSD_A_EXPKEY_CLIENT] = { .type = NLA_NUL_STRING, },
	[NFSD_A_EXPKEY_FSIDTYPE] = { .type = NLA_U8, },
	[NFSD_A_EXPKEY_FSID] = { .type = NLA_BINARY, },
	[NFSD_A_EXPKEY_NEGATIVE] = { .type = NLA_FLAG, },
	[NFSD_A_EXPKEY_EXPIRY] = { .type = NLA_U64, },
	[NFSD_A_EXPKEY_PATH] = { .type = NLA_NUL_STRING, },
};

const struct nla_policy nfsd_fslocation_nl_policy[NFSD_A_FSLOCATION_PATH + 1] = {
	[NFSD_A_FSLOCATION_HOST] = { .type = NLA_NUL_STRING, },
	[NFSD_A_FSLOCATION_PATH] = { .type = NLA_NUL_STRING, },
};

const struct nla_policy nfsd_fslocations_nl_policy[NFSD_A_FSLOCATIONS_LOCATION + 1] = {
	[NFSD_A_FSLOCATIONS_LOCATION] = NLA_POLICY_NESTED(nfsd_fslocation_nl_policy),
};

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_svc_export_nl_policy[NFSD_A_SVC_EXPORT_FSID + 1] = {
	[NFSD_A_SVC_EXPORT_SEQNO] = { .type = NLA_U64, },
	[NFSD_A_SVC_EXPORT_CLIENT] = { .type = NLA_NUL_STRING, },
	[NFSD_A_SVC_EXPORT_PATH] = { .type = NLA_NUL_STRING, },
	[NFSD_A_SVC_EXPORT_NEGATIVE] = { .type = NLA_FLAG, },
	[NFSD_A_SVC_EXPORT_EXPIRY] = { .type = NLA_U64, },
	[NFSD_A_SVC_EXPORT_ANON_UID] = { .type = NLA_U32, },
	[NFSD_A_SVC_EXPORT_ANON_GID] = { .type = NLA_U32, },
	[NFSD_A_SVC_EXPORT_FSLOCATIONS] = NLA_POLICY_NESTED(nfsd_fslocations_nl_policy),
	[NFSD_A_SVC_EXPORT_UUID] = { .type = NLA_BINARY, },
	[NFSD_A_SVC_EXPORT_SECINFO] = NLA_POLICY_NESTED(nfsd_auth_flavor_nl_policy),
	[NFSD_A_SVC_EXPORT_XPRTSEC] = NLA_POLICY_MASK(NLA_U32, 0x7),
	[NFSD_A_SVC_EXPORT_FLAGS] = NLA_POLICY_MASK(NLA_U32, 0x3ffff),
	[NFSD_A_SVC_EXPORT_FSID] = { .type = NLA_S32, },
};

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_FH_KEY + 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_A_SERVER_MIN_THREADS] = { .type = NLA_U32, },
	[NFSD_A_SERVER_FH_KEY] = NLA_POLICY_EXACT_LEN(16),
};

/* 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),
};

/* NFSD_CMD_POOL_MODE_SET - do */
static const struct nla_policy nfsd_pool_mode_set_nl_policy[NFSD_A_POOL_MODE_MODE + 1] = {
	[NFSD_A_POOL_MODE_MODE] = { .type = NLA_NUL_STRING, },
};

Annotation

Implementation Notes