commit bc2d4d838ff717f4003b039725df454a4a75109e
author Daniel Borkmann <daniel@iogearbox.net> Thu Sep 21 10:42:29 2017 +0200
committer Stephen Hemminger <stephen@networkplumber.org> Fri Sep 22 10:07:15 2017 -0700
tree 14a72826f79d14db779491a3887e472237f956b9
parent 0b4b35e1e82dcb950e5972b93ff32f4a5380182e

bpf: properly output json for xdp

After merging net-next branch into master, Stephen asked
to fix up json dump for XDP. Thus, rework the json dump a
bit, such that 'ip -json l' looks as below.

  [{
        "ifindex": 1,
        "ifname": "lo",
        "flags": ["LOOPBACK","UP","LOWER_UP"],
        "mtu": 65536,
        "xdp": {
            "mode": 2,
            "prog": {
                "id": 5,
                "tag": "e1e9d0ec0f55d638",
                "jited": 1
            }
        },
        "qdisc": "noqueue",
        "operstate": "UNKNOWN",
        "linkmode": "DEFAULT",
        "group": "default",
        "txqlen": 1000,
        "link_type": "loopback",
        "address": "00:00:00:00:00:00",
        "broadcast": "00:00:00:00:00:00"
    },[...]
  ]

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>