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// Copyright 2024 syzkaller project authors. All rights reserved.
// Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file.
#include "types.h"
enum {
NLA_UNSPEC,
NLA_U8,
NLA_U16,
NLA_U32,
NLA_U64,
NLA_STRING,
NLA_FLAG,
NLA_MSECS,
NLA_NESTED,
NLA_NESTED_ARRAY,
NLA_NUL_STRING,
NLA_BINARY,
NLA_S8,
NLA_S16,
NLA_S32,
NLA_S64,
NLA_BITFIELD32,
NLA_REJECT,
NLA_BE16,
NLA_BE32,
NLA_SINT,
NLA_UINT,
__NLA_TYPE_MAX,
};
struct nla_policy {
u8 type;
u8 validation_type;
u16 len;
union {
const u32 bitfield32_valid;
const u32 mask;
const struct nla_policy *nested_policy;
struct { s16 min, max; };
};
};
#define NLA_POLICY_NESTED(policy) { .type = NLA_NESTED, .nested_policy = policy, .len = sizeof(policy)/sizeof(policy[0]) }
#define GENL_ADMIN_PERM 0x01
#define GENL_UNS_ADMIN_PERM 0x10
struct genl_ops {
u8 cmd;
u8 flags;
const struct nla_policy* policy;
void (*doit)(void);
void (*dumpit)(void);
};
struct genl_split_ops {
u8 cmd;
u8 flags;
const struct nla_policy *policy;
union {
struct {
void (*pre_doit)(void);
void (*doit)(void);
void (*post_doit)(void);
};
struct {
void (*start)(void);
void (*dumpit)(void);
void (*done)(void);
};
};
};
struct genl_small_ops {};
struct genl_family {
char name[64];
u8 n_ops;
u8 n_small_ops;
u8 n_split_ops;
const struct nla_policy* policy;
const struct genl_ops* ops;
const struct genl_small_ops* mall_ops;
const struct genl_split_ops* split_ops;
};
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