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/* SPDX-License-Identifier: LGPL-2.1-only */
/*
* Copyright (c) 2003-2013 Thomas Graf <tgraf@suug.ch>
*/
#ifndef __NL_SHARED_CORE_NL_CORE_H__
#define __NL_SHARED_CORE_NL_CORE_H__
#define NL_SOCK_PASSCRED (1 << 1)
#define NL_OWN_PORT (1 << 2)
#define NL_MSG_PEEK (1 << 3)
#define NL_MSG_PEEK_EXPLICIT (1 << 4)
#define NL_NO_AUTO_ACK (1 << 5)
struct nl_sock {
struct sockaddr_nl s_local;
struct sockaddr_nl s_peer;
int s_fd;
int s_proto;
unsigned int s_seq_next;
unsigned int s_seq_expect;
int s_flags;
struct nl_cb *s_cb;
size_t s_bufsize;
};
static inline int wait_for_ack(struct nl_sock *sk)
{
if (sk->s_flags & NL_NO_AUTO_ACK)
return 0;
else
return nl_wait_for_ack(sk);
}
#define LOOSE_COMPARISON 1
#define ID_COMPARISON 2
#define NL_OBJ_MARK 1
struct nl_data {
size_t d_size;
void *d_data;
};
struct nl_addr {
int a_family;
unsigned int a_maxsize;
unsigned int a_len;
int a_prefixlen;
int a_refcnt;
char a_addr[0];
};
#define NL_MSG_CRED_PRESENT 1
struct nl_msg {
int nm_protocol;
int nm_flags;
struct sockaddr_nl nm_src;
struct sockaddr_nl nm_dst;
struct ucred nm_creds;
struct nlmsghdr *nm_nlh;
size_t nm_size;
int nm_refcnt;
};
/*****************************************************************************/
int nl_getprotobyname(const char *name);
bool nl_getprotobynumber(int proto, char *out_name, size_t name_len);
extern const char *nl_strerror_l(int err);
extern int __nl_read_num_str_file(const char *path,
int (*cb)(long, const char *));
extern int __trans_list_add(int, const char *, struct nl_list_head *);
extern void __trans_list_clear(struct nl_list_head *);
extern char *__type2str(int, char *, size_t, const struct trans_tbl *, size_t);
extern int __str2type(const char *, const struct trans_tbl *, size_t);
extern char *__list_type2str(int, char *, size_t, struct nl_list_head *);
extern int __list_str2type(const char *, struct nl_list_head *);
extern char *__flags2str(int, char *, size_t, const struct trans_tbl *, size_t);
extern int __str2flags(const char *, const struct trans_tbl *, size_t);
#endif /* __NL_SHARED_CORE_NL_CORE_H__ */
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