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#include <netlink/msg.h>
struct nlmsghdr *hdr;
struct nl_msg *msg;
struct myhdr {
uint32_t foo1, foo2;
} hdr = { 10, 20 };
/* Allocate a message with the default maximum message size */
msg = nlmsg_alloc();
/*
* Add header with message type MY_MSGTYPE, the flag NLM_F_CREATE,
* let library fill port and sequence number, and reserve room for
* struct myhdr
*/
hdr = nlmsg_put(msg, NL_AUTO_PORT, NL_AUTO_SEQ, MY_MSGTYPE, sizeof(hdr), NLM_F_CREATE);
/* Copy own header into newly reserved payload section */
memcpy(nlmsg_data(hdr), &hdr, sizeof(hdr));
/*
* The message will now look like this:
* +-------------------+- - -+----------------+- - -+
* | struct nlmsghdr | Pad | struct myhdr | Pad |
* +-------------------+-----+----------------+- - -+
* nlh -^ / \
* +--------+---------+
* | foo1 | foo2 |
* +--------+---------+
*/
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