13 #include <sys/socket.h>
14 #include <linux/netlink.h>
24 #define MNL_SOCKET_AUTOPID 0
25 #define MNL_SOCKET_BUFFER_SIZE (getpagesize() < 8192L ? getpagesize() : 8192L)
44 #define MNL_ALIGN(len) (((len)+MNL_ALIGNTO-1) & ~(MNL_ALIGNTO-1))
45 #define MNL_NLMSG_HDRLEN MNL_ALIGN(sizeof(struct nlmsghdr))
55 extern bool mnl_nlmsg_ok(
const struct nlmsghdr *nlh,
int len);
56 extern struct nlmsghdr *
mnl_nlmsg_next(
const struct nlmsghdr *nlh,
int *len);
70 extern void mnl_nlmsg_fprintf(FILE *fd,
const void *data,
size_t datalen,
size_t extra_header_size);
86 #define MNL_ATTR_HDRLEN MNL_ALIGN(sizeof(struct nlattr))
100 extern void mnl_attr_put(
struct nlmsghdr *nlh, uint16_t type,
size_t len,
const void *data);
101 extern void mnl_attr_put_u8(
struct nlmsghdr *nlh, uint16_t type, uint8_t data);
102 extern void mnl_attr_put_u16(
struct nlmsghdr *nlh, uint16_t type, uint16_t data);
103 extern void mnl_attr_put_u32(
struct nlmsghdr *nlh, uint16_t type, uint32_t data);
104 extern void mnl_attr_put_u64(
struct nlmsghdr *nlh, uint16_t type, uint64_t data);
105 extern void mnl_attr_put_str(
struct nlmsghdr *nlh, uint16_t type,
const char *data);
106 extern void mnl_attr_put_strz(
struct nlmsghdr *nlh, uint16_t type,
const char *data);
109 extern bool mnl_attr_put_check(
struct nlmsghdr *nlh,
size_t buflen, uint16_t type,
size_t len,
const void *data);
126 enum mnl_attr_data_type {
136 MNL_TYPE_NESTED_COMPAT,
142 extern int mnl_attr_validate(
const struct nlattr *attr,
enum mnl_attr_data_type type);
143 extern int mnl_attr_validate2(
const struct nlattr *attr,
enum mnl_attr_data_type type,
size_t len);
146 extern bool mnl_attr_ok(
const struct nlattr *attr,
int len);
147 extern struct nlattr *
mnl_attr_next(
const struct nlattr *attr);
149 #define mnl_attr_for_each(attr, nlh, offset) \
150 for ((attr) = mnl_nlmsg_get_payload_offset((nlh), (offset)); \
151 mnl_attr_ok((attr), (char *)mnl_nlmsg_get_payload_tail(nlh) - (char *)(attr)); \
152 (attr) = mnl_attr_next(attr))
154 #define mnl_attr_for_each_nested(attr, nest) \
155 for ((attr) = mnl_attr_get_payload(nest); \
156 mnl_attr_ok((attr), (char *)mnl_attr_get_payload(nest) + mnl_attr_get_payload_len(nest) - (char *)(attr)); \
157 (attr) = mnl_attr_next(attr))
159 #define mnl_attr_for_each_payload(payload, payload_size) \
160 for ((attr) = (payload); \
161 mnl_attr_ok((attr), (char *)(payload) + payload_size - (char *)(attr)); \
162 (attr) = mnl_attr_next(attr))
165 typedef int (*mnl_attr_cb_t)(
const struct nlattr *attr,
void *data);
167 extern int mnl_attr_parse(
const struct nlmsghdr *nlh,
unsigned int offset, mnl_attr_cb_t cb,
void *data);
174 #define MNL_CB_ERROR -1
175 #define MNL_CB_STOP 0
178 typedef int (*mnl_cb_t)(
const struct nlmsghdr *nlh,
void *data);
180 extern int mnl_cb_run(
const void *buf,
size_t numbytes,
unsigned int seq,
181 unsigned int portid, mnl_cb_t cb_data,
void *data);
183 extern int mnl_cb_run2(
const void *buf,
size_t numbytes,
unsigned int seq,
184 unsigned int portid, mnl_cb_t cb_data,
void *data,
185 mnl_cb_t *cb_ctl_array,
unsigned int cb_ctl_array_len);
192 #define SOL_NETLINK 270
195 #ifndef MNL_ARRAY_SIZE
196 #define MNL_ARRAY_SIZE(a) (sizeof(a)/sizeof((a)[0]))