debian/patches/pve/0007-PVE-Up-qmp-add-get_link_status.patch

   1 From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
   2 From: Wolfgang Bumiller <w.bumiller@proxmox.com>
   3 Date: Mon, 6 Apr 2020 12:16:37 +0200
   4 Subject: [PATCH] PVE: [Up] qmp: add get_link_status
   5
   6 Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
   7 ---
   8  net/net.c        | 27 +++++++++++++++++++++++++++
   9  qapi/net.json    | 15 +++++++++++++++
  10  qapi/pragma.json |  1 +
  11  3 files changed, 43 insertions(+)
  12
  13 diff --git a/net/net.c b/net/net.c
  14 index 840ad9dca5..28e97c5d85 100644
  15 --- a/net/net.c
  16 +++ b/net/net.c
  17 @@ -1372,6 +1372,33 @@ 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 colo_notify_filters_event(int event, Error **errp)
  49  {
  50      NetClientState *nc;
  51 diff --git a/qapi/net.json b/qapi/net.json
  52 index 522ac582ed..327d7c5a37 100644
  53 --- a/qapi/net.json
  54 +++ b/qapi/net.json
  55 @@ -36,6 +36,21 @@
  56  ##
  57  { 'command': 'set_link', 'data': {'name': 'str', 'up': 'bool'} }
  58
  59 +##
  60 +# @get_link_status:
  61 +#
  62 +# Get the current link state of the nics or nic.
  63 +#
  64 +# @name: name of the nic you get the state of
  65 +#
  66 +# Return: If link is up 1
  67 +#         If link is down 0
  68 +#         If an error occure an empty string.
  69 +#
  70 +# Notes: this is an Proxmox VE extension and not offical part of Qemu.
  71 +##
  72 +{ 'command': 'get_link_status', 'data': {'name': 'str'} , 'returns': 'int' }
  73 +
  74  ##
  75  # @netdev_add:
  76  #
  77 diff --git a/qapi/pragma.json b/qapi/pragma.json
  78 index 7f810b0e97..a2358e303a 100644
  79 --- a/qapi/pragma.json
  80 +++ b/qapi/pragma.json
  81 @@ -26,6 +26,7 @@
  82          'system_wakeup' ],
  83      # Commands allowed to return a non-dictionary
  84      'command-returns-exceptions': [
  85 +        'get_link_status',
  86          'human-monitor-command',
  87          'qom-get',
  88          'query-tpm-models',