include/linux/netlink.h

   1 #ifndef __LINUX_NETLINK_H
   2 #define __LINUX_NETLINK_H
   3
   4 struct nlmsghdr
   5 {
   6         unsigned long   nlmsg_len;      /* Length of message including header */
   7         unsigned long   nlmsg_type;     /* Message type */
   8         unsigned long   nlmsg_seq;      /* Sequence number */
   9         unsigned long   nlmsg_pid;      /* Sending process PID */
  10         unsigned char   nlmsg_data[0];
  11 };
  12
  13 #define NLMSG_ALIGN(len) ( ((len)+sizeof(long)-1) & ~(sizeof(long)-1) )
  14
  15 #define NLMSG_ACK               0x01    /* int - error code */
  16 #define NLMSG_OVERRUN           0x02    /* unsigned long[2] - start and end
  17                                          * of lost message sequence numbers.
  18                                          */
  19
  20 #endif