meta:
  endian: le
  id: netlink_route
types:
  error:
    seq:
      - id: error
        type: i32
      - id: cause
        size: '16' # TODO: should be a nlmsghdr
  nlmsghdr:
    seq:
      - id:  len
        type: u32
      - id:  typ
        type: u16
      - id:  flags
        type: u16
      - id:  seq
        type: u32
      - id:  pid
        type: u32
  ifinfomsg:
    seq:
      - id: family
        type: u8
      - id: reserved
        type: u8
      - id: typ
        type: u16
      - id: index
        type: u32
      - id: flags
        type: u32
      - id: change
        type: u32
  attr:
    types:
      subattr:
        seq:
          - id: len
            type: u16
          - id: typ
            type: u16
          - id: value
            size: self.len - 4
          - id: padding
            size: if len % 4  == 0 {0} else {(4 - self.len  % 4)}
    seq:
      - id: len
        type: u16
      - id: typ
        type: u16
      - id: value
        size: if self.typ == 18 {0} else {self.len - 4} # link info
      - id: link_info
        type: subattr
        size: self.len - 4
        repeat: eos
        if: self.typ == 18
      - id: padding
        size: if len % 4  == 0 {0} else {(4 - self.len  % 4)}
seq:
  - id: header
    type: nlmsghdr
# padding
  - id: route
    type: ifinfomsg
    if: self.header.typ != libc::NLMSG_DONE as _ && self.header.typ != libc::NLMSG_ERROR as _
# padding
  - id: attributes
    type: attr
    repeat: eos
    if: self.header.typ != libc::NLMSG_DONE as _ && self.header.typ != libc::NLMSG_ERROR as _
    size: self.header.len - 32
  - id: error
    type: error
    if: self.header.typ == libc::NLMSG_ERROR as _
  - id: success
    size: '4'
    if: self.header.typ == libc::NLMSG_DONE as _