[pve-devel] [PATCH] implement the command get_link_status to qemu-kve paket. so you can call per QMP. this funktion is not implemented in monitor. this command return the state of the given nic to check it. 1 for up 0 for down -1 for error

[Wolfgang Link]

Signed-off-by: Wolfgang Link <wolfgang at linksystems.org>
---
 debian/patches/add-qmp-get-link-status.patch |   98 ++++++++++++++++++++++++++
 debian/patches/series                        |    1 +
 2 files changed, 99 insertions(+)
 create mode 100644 debian/patches/add-qmp-get-link-status.patch

diff --git a/debian/patches/add-qmp-get-link-status.patch b/debian/patches/add-qmp-get-link-status.patch
new file mode 100644
index 0000000..105d415
--- /dev/null
+++ b/debian/patches/add-qmp-get-link-status.patch
@@ -0,0 +1,98 @@
+Index: new/qapi-schema.json
+===================================================================
+--- new.orig/qapi-schema.json	2014-12-10 09:15:50.890262765 +0100
++++ new/qapi-schema.json	2014-12-11 09:20:31.072561486 +0100
+@@ -1366,6 +1366,22 @@
+ ##
+ { 'command': 'set_link', 'data': {'name': 'str', 'up': 'bool'} }
+ 
++
++##
++# @get_link_status
++#
++# Get the current link state of the nics or nic.
++#
++# @name: name of the nic you get the state of
++#
++# Return: If link is up 1
++#         If link is down 0
++#         If an error occure an empty string.
++#
++# Notes: this is an Proxmox VE extension and not offical part of Qemu.
++##
++{ 'command': 'get_link_status', 'data': {'name': 'str'}, 'returns': 'int'}
++
+ ##
+ # @balloon:
+ #
+Index: new/net/net.c
+===================================================================
+--- new.orig/net/net.c	2014-12-10 10:24:39.790496356 +0100
++++ new/net/net.c	2014-12-11 09:37:55.971321170 +0100
+@@ -1141,6 +1141,32 @@
+     }
+ }
+ 
++int64_t qmp_get_link_status(const char *name, Error **errp)
++{
++    NetClientState *ncs[MAX_QUEUE_NUM];
++    NetClientState *nc;
++    int queues;
++    bool ret;
++
++    queues = qemu_find_net_clients_except(name, ncs,
++                                          NET_CLIENT_OPTIONS_KIND_MAX,
++                                          MAX_QUEUE_NUM);
++
++    if (queues == 0) {
++        error_set(errp, QERR_DEVICE_NOT_FOUND, name);
++	return (int64_t) -1;
++    }
++
++    nc = ncs[0];
++    ret = ncs[0]->link_down;
++
++    if (nc->peer->info->type == NET_CLIENT_OPTIONS_KIND_NIC) {
++      ret = ncs[0]->peer->link_down;
++    }
++
++    return (int64_t) ret ? 0 : 1;
++}
++
+ void qmp_set_link(const char *name, bool up, Error **errp)
+ {
+     NetClientState *ncs[MAX_QUEUE_NUM];
+Index: new/qmp-commands.hx
+===================================================================
+--- new.orig/qmp-commands.hx	2014-12-10 09:15:50.891262737 +0100
++++ new/qmp-commands.hx	2014-12-11 08:36:26.583532314 +0100
+@@ -1473,6 +1473,29 @@
+ EQMP
+ 
+     {
++        .name       = "get_link_status",
++        .args_type  = "name:s",
++        .mhandler.cmd_new = qmp_marshal_input_get_link_status,
++    },
++
++SQMP
++get_link_status
++--------
++
++Get the link status of a network adapter.
++
++Arguments:
++
++- "name": network device name (json-string)
++
++Example:
++
++-> { "execute": "set_link", "arguments": { "name": "e1000.0" } }
++<- { "return": {1} }
++
++EQMP
++
++    {
+         .name       = "getfd",
+         .args_type  = "fdname:s",
+         .params     = "getfd name",
diff --git a/debian/patches/series b/debian/patches/series
index 56741e6..e5bc4f5 100644
--- a/debian/patches/series
+++ b/debian/patches/series
@@ -28,3 +28,4 @@ disable-efi-enable-pxe-roms.patch
 backup-vma-allow-empty-backups.patch
 glusterfs-daemonize.patch
 gluster-backupserver.patch
+add-qmp-get-link-status.patch
-- 
1.7.10.4