99 lines
2.7 KiB
Diff
99 lines
2.7 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Wolfgang Bumiller <w.bumiller@proxmox.com>
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Date: Mon, 6 Apr 2020 12:16:37 +0200
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Subject: [PATCH] PVE: [Up] qmp: add get_link_status
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Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
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[FE: add get_link_status to command name exceptions]
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Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
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---
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net/net.c | 27 +++++++++++++++++++++++++++
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qapi/net.json | 15 +++++++++++++++
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qapi/pragma.json | 2 ++
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3 files changed, 44 insertions(+)
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diff --git a/net/net.c b/net/net.c
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index 6492ad530e..33e901cba8 100644
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--- a/net/net.c
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+++ b/net/net.c
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@@ -1397,6 +1397,33 @@ RxFilterInfoList *qmp_query_rx_filter(const char *name, Error **errp)
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return filter_list;
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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 colo_notify_filters_event(int event, Error **errp)
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{
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NetClientState *nc;
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diff --git a/qapi/net.json b/qapi/net.json
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index d6eb30008b..4fe71b149d 100644
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--- a/qapi/net.json
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+++ b/qapi/net.json
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@@ -36,6 +36,21 @@
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##
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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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# @netdev_add:
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#
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diff --git a/qapi/pragma.json b/qapi/pragma.json
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index 7f810b0e97..29233db825 100644
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--- a/qapi/pragma.json
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+++ b/qapi/pragma.json
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@@ -15,6 +15,7 @@
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'device_add',
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'device_del',
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'expire_password',
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+ 'get_link_status',
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'migrate_cancel',
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'netdev_add',
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'netdev_del',
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@@ -26,6 +27,7 @@
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'system_wakeup' ],
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# Commands allowed to return a non-dictionary
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'command-returns-exceptions': [
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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-tpm-models',
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