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

   1 From 759fdd7b7ea2f90a463d4bc766f9c53053498c58 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 24/48] qmp: add get_link_status
   5
   6 ---
   7  net/net.c        | 27 +++++++++++++++++++++++++++
   8  qapi-schema.json | 16 ++++++++++++++++
   9  2 files changed, 43 insertions(+)
  10
  11 diff --git a/net/net.c b/net/net.c
  12 index 0ac3b9e..7410c1e 100644
  13 --- a/net/net.c
  14 +++ b/net/net.c
  15 @@ -1373,6 +1373,33 @@ void hmp_info_network(Monitor *mon, const QDict *qdict)
  16      }
  17  }
  18
  19 +int64_t qmp_get_link_status(const char *name, Error **errp)
  20 +{
  21 +    NetClientState *ncs[MAX_QUEUE_NUM];
  22 +    NetClientState *nc;
  23 +    int queues;
  24 +    bool ret;
  25 +
  26 +    queues = qemu_find_net_clients_except(name, ncs,
  27 +                                          NET_CLIENT_DRIVER__MAX,
  28 +                                          MAX_QUEUE_NUM);
  29 +
  30 +    if (queues == 0) {
  31 +        error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND,
  32 +                  "Device '%s' not found", name);
  33 +        return (int64_t) -1;
  34 +    }
  35 +
  36 +    nc = ncs[0];
  37 +    ret = ncs[0]->link_down;
  38 +
  39 +    if (nc->peer->info->type == NET_CLIENT_DRIVER_NIC) {
  40 +      ret = ncs[0]->peer->link_down;
  41 +    }
  42 +
  43 +    return (int64_t) ret ? 0 : 1;
  44 +}
  45 +
  46  void qmp_set_link(const char *name, bool up, Error **errp)
  47  {
  48      NetClientState *ncs[MAX_QUEUE_NUM];
  49 diff --git a/qapi-schema.json b/qapi-schema.json
  50 index c33ebb3..79bfd97 100644
  51 --- a/qapi-schema.json
  52 +++ b/qapi-schema.json
  53 @@ -56,6 +56,7 @@
  54  { 'pragma': {
  55      # Commands allowed to return a non-dictionary:
  56      'returns-whitelist': [
  57 +        'get_link_status',
  58          'human-monitor-command',
  59          'qom-get',
  60          'query-migrate-cache-size',
  61 @@ -2627,6 +2628,21 @@
  62  { 'command': 'set_link', 'data': {'name': 'str', 'up': 'bool'} }
  63
  64  ##
  65 +# @get_link_status:
  66 +#
  67 +# Get the current link state of the nics or nic.
  68 +#
  69 +# @name: name of the nic you get the state of
  70 +#
  71 +# Return: If link is up 1
  72 +#         If link is down 0
  73 +#         If an error occure an empty string.
  74 +#
  75 +# Notes: this is an Proxmox VE extension and not offical part of Qemu.
  76 +##
  77 +{ 'command': 'get_link_status', 'data': {'name': 'str'}, 'returns': 'int'}
  78 +
  79 +##
  80  # @balloon:
  81  #
  82  # Request the balloon driver to change its balloon size.
  83 --
  84 2.1.4
  85