9#include <libmnl/libmnl.h>
11#include <linux/if_link.h>
12#include <linux/rtnetlink.h>
14static int data_attr_cb(
const struct nlattr *attr,
void *data)
16 const struct nlattr **tb = data;
26 perror(
"mnl_attr_validate");
35static int data_cb(
const struct nlmsghdr *nlh,
void *data)
37 struct nlattr *tb[IFA_MAX + 1] = {};
40 printf(
"index=%d family=%d ", ifa->ifa_index, ifa->ifa_family);
44 if (tb[IFA_ADDRESS]) {
46 char out[INET6_ADDRSTRLEN];
48 if (inet_ntop(ifa->ifa_family, addr, out,
sizeof(out)))
52 switch(ifa->ifa_scope) {
69 printf(
"%d ", ifa->ifa_scope);
77int main(
int argc,
char *argv[])
79 char buf[MNL_SOCKET_DUMP_SIZE];
80 unsigned int seq, portid;
81 struct mnl_socket *nl;
87 fprintf(stderr,
"Usage: %s <inet|inet6>\n", argv[0]);
92 nlh->nlmsg_type = RTM_GETADDR;
93 nlh->nlmsg_flags = NLM_F_REQUEST | NLM_F_DUMP;
94 nlh->nlmsg_seq = seq = time(NULL);
96 if (strcmp(argv[1],
"inet") == 0)
97 rt->rtgen_family = AF_INET;
98 else if (strcmp(argv[1],
"inet6") == 0)
99 rt->rtgen_family = AF_INET6;
103 perror(
"mnl_socket_open");
108 perror(
"mnl_socket_bind");
114 perror(
"mnl_socket_sendto");
120 ret =
mnl_cb_run(buf, ret, seq, portid, data_cb, NULL);
121 if (ret <= MNL_CB_STOP)
void * mnl_attr_get_payload(const struct nlattr *attr)
int mnl_attr_validate(const struct nlattr *attr, enum mnl_attr_data_type type)
int mnl_attr_parse(const struct nlmsghdr *nlh, unsigned int offset, mnl_attr_cb_t cb, void *data)
int mnl_attr_type_valid(const struct nlattr *attr, uint16_t max)
uint16_t mnl_attr_get_type(const struct nlattr *attr)
int mnl_cb_run(const void *buf, size_t numbytes, unsigned int seq, unsigned int portid, mnl_cb_t cb_data, void *data)
void * mnl_nlmsg_get_payload(const struct nlmsghdr *nlh)
struct nlmsghdr * mnl_nlmsg_put_header(void *buf)
void * mnl_nlmsg_put_extra_header(struct nlmsghdr *nlh, size_t size)
int mnl_socket_close(struct mnl_socket *nl)
unsigned int mnl_socket_get_portid(const struct mnl_socket *nl)
struct mnl_socket * mnl_socket_open(int bus)
ssize_t mnl_socket_recvfrom(const struct mnl_socket *nl, void *buf, size_t bufsiz)
int mnl_socket_bind(struct mnl_socket *nl, unsigned int groups, pid_t pid)
ssize_t mnl_socket_sendto(const struct mnl_socket *nl, const void *buf, size_t len)