debian/patches/pve/0024-qmp-add-get_link_status.patch

   1 From e933992419bd8da2689a527ae95000891e687a2d Mon Sep 17 00:00:00 2001
   2 From: Wolfgang Bumiller <w.bumiller@proxmox.com>
   3 Date: Wed, 9 Dec 2015 16:34:41 +0100
   4 Subject: [PATCH 24/47] qmp: add get_link_status
   5
   6 ---
   7  net/net.c        | 27 +++++++++++++++++++++++++++
   8  qapi-schema.json | 15 +++++++++++++++
   9  qmp-commands.hx  | 23 +++++++++++++++++++++++
  10  scripts/qapi.py  |  2 ++
  11  4 files changed, 67 insertions(+)
  12
  13 diff --git a/net/net.c b/net/net.c
  14 index 19b4d9e..5f890b7 100644
  15 --- a/net/net.c
  16 +++ b/net/net.c
  17 @@ -1362,6 +1362,33 @@ void hmp_info_network(Monitor *mon, const QDict *qdict)
  18      }
  19  }
  20
  21 +int64_t qmp_get_link_status(const char *name, Error **errp)
  22 +{
  23 +    NetClientState *ncs[MAX_QUEUE_NUM];
  24 +    NetClientState *nc;
  25 +    int queues;
  26 +    bool ret;
  27 +
  28 +    queues = qemu_find_net_clients_except(name, ncs,
  29 +                                          NET_CLIENT_DRIVER__MAX,
  30 +                                          MAX_QUEUE_NUM);
  31 +
  32 +    if (queues == 0) {
  33 +        error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND,
  34 +                  "Device '%s' not found", name);
  35 +        return (int64_t) -1;
  36 +    }
  37 +
  38 +    nc = ncs[0];
  39 +    ret = ncs[0]->link_down;
  40 +
  41 +    if (nc->peer->info->type == NET_CLIENT_DRIVER_NIC) {
  42 +      ret = ncs[0]->peer->link_down;
  43 +    }
  44 +
  45 +    return (int64_t) ret ? 0 : 1;
  46 +}
  47 +
  48  void qmp_set_link(const char *name, bool up, Error **errp)
  49  {
  50      NetClientState *ncs[MAX_QUEUE_NUM];
  51 diff --git a/qapi-schema.json b/qapi-schema.json
  52 index 0c0faf7..d75e932 100644
  53 --- a/qapi-schema.json
  54 +++ b/qapi-schema.json
  55 @@ -1786,6 +1786,21 @@
  56  { 'command': 'set_link', 'data': {'name': 'str', 'up': 'bool'} }
  57
  58  ##
  59 +# @get_link_status
  60 +#
  61 +# Get the current link state of the nics or nic.
  62 +#
  63 +# @name: name of the nic you get the state of
  64 +#
  65 +# Return: If link is up 1
  66 +#         If link is down 0
  67 +#         If an error occure an empty string.
  68 +#
  69 +# Notes: this is an Proxmox VE extension and not offical part of Qemu.
  70 +##
  71 +{ 'command': 'get_link_status', 'data': {'name': 'str'}, 'returns': 'int'}
  72 +
  73 +##
  74  # @balloon:
  75  #
  76  # Request the balloon driver to change its balloon size.
  77 diff --git a/qmp-commands.hx b/qmp-commands.hx
  78 index 6342cd2..a84932a 100644
  79 --- a/qmp-commands.hx
  80 +++ b/qmp-commands.hx
  81 @@ -1883,6 +1883,29 @@ Example:
  82  EQMP
  83
  84      {
  85 +        .name       = "get_link_status",
  86 +        .args_type  = "name:s",
  87 +        .mhandler.cmd_new = qmp_marshal_get_link_status,
  88 +    },
  89 +
  90 +SQMP
  91 +get_link_status
  92 +--------
  93 +
  94 +Get the link status of a network adapter.
  95 +
  96 +Arguments:
  97 +
  98 +- "name": network device name (json-string)
  99 +
 100 +Example:
 101 +
 102 +-> { "execute": "get_link_status", "arguments": { "name": "e1000.0" } }
 103 +<- { "return": {1} }
 104 +
 105 +EQMP
 106 +
 107 +    {
 108          .name       = "getfd",
 109          .args_type  = "fdname:s",
 110          .params     = "getfd name",
 111 diff --git a/scripts/qapi.py b/scripts/qapi.py
 112 index 21bc32f..f900659 100644
 113 --- a/scripts/qapi.py
 114 +++ b/scripts/qapi.py
 115 @@ -39,6 +39,8 @@ builtin_types = {
 116
 117  # Whitelist of commands allowed to return a non-dictionary
 118  returns_whitelist = [
 119 +    'get_link_status',
 120 +
 121      # From QMP:
 122      'human-monitor-command',
 123      'qom-get',
 124 --
 125 2.1.4
 126