86 lines
2.2 KiB
Diff
86 lines
2.2 KiB
Diff
From 759fdd7b7ea2f90a463d4bc766f9c53053498c58 Mon Sep 17 00:00:00 2001
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From: Wolfgang Bumiller <w.bumiller@proxmox.com>
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Date: Wed, 9 Dec 2015 16:34:41 +0100
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Subject: [PATCH 24/48] qmp: add get_link_status
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---
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net/net.c | 27 +++++++++++++++++++++++++++
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qapi-schema.json | 16 ++++++++++++++++
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2 files changed, 43 insertions(+)
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diff --git a/net/net.c b/net/net.c
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index 0ac3b9e..7410c1e 100644
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--- a/net/net.c
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+++ b/net/net.c
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@@ -1373,6 +1373,33 @@ void hmp_info_network(Monitor *mon, const QDict *qdict)
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}
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}
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+int64_t qmp_get_link_status(const char *name, Error **errp)
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+{
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+ NetClientState *ncs[MAX_QUEUE_NUM];
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+ NetClientState *nc;
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+ int queues;
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+ bool ret;
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+
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+ queues = qemu_find_net_clients_except(name, ncs,
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+ NET_CLIENT_DRIVER__MAX,
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+ MAX_QUEUE_NUM);
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+
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+ if (queues == 0) {
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+ error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND,
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+ "Device '%s' not found", name);
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+ return (int64_t) -1;
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+ }
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+
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+ nc = ncs[0];
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+ ret = ncs[0]->link_down;
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+
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+ if (nc->peer->info->type == NET_CLIENT_DRIVER_NIC) {
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+ ret = ncs[0]->peer->link_down;
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+ }
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+
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+ return (int64_t) ret ? 0 : 1;
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+}
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+
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void qmp_set_link(const char *name, bool up, Error **errp)
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{
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NetClientState *ncs[MAX_QUEUE_NUM];
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diff --git a/qapi-schema.json b/qapi-schema.json
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index c33ebb3..79bfd97 100644
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--- a/qapi-schema.json
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+++ b/qapi-schema.json
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@@ -56,6 +56,7 @@
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{ 'pragma': {
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# Commands allowed to return a non-dictionary:
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'returns-whitelist': [
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+ 'get_link_status',
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'human-monitor-command',
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'qom-get',
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'query-migrate-cache-size',
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@@ -2627,6 +2628,21 @@
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{ 'command': 'set_link', 'data': {'name': 'str', 'up': 'bool'} }
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##
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+# @get_link_status:
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+#
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+# Get the current link state of the nics or nic.
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+#
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+# @name: name of the nic you get the state of
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+#
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+# Return: If link is up 1
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+# If link is down 0
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+# If an error occure an empty string.
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+#
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+# Notes: this is an Proxmox VE extension and not offical part of Qemu.
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+##
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+{ 'command': 'get_link_status', 'data': {'name': 'str'}, 'returns': 'int'}
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+
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+##
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# @balloon:
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#
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# Request the balloon driver to change its balloon size.
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--
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2.1.4
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