nl_control
struct nl_control *ctl;
CK_LIST_HEAD(nl_control_head, nl_control);
VNET_DEFINE(struct nl_control, nl_ctl) = {
CK_LIST_ENTRY(nl_control) ctl_next;
VNET_DECLARE(struct nl_control, nl_ctl);
struct nl_control *nlc;
nlc = (struct nl_control *)CMSG_DATA(cmsg);
char cbuf[CMSG_SPACE(sizeof(struct nl_control) * 2)];