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nl80211_send_ap_stopped() can be called multiple times on the same netdev for each link when using Multi-Link Operation. Add the MLO_LINK_ID attribute to the event to allow userspace to distinguish which link the event is for. Signed-off-by: Alvin Šipraga <alsi@bang-olufsen.dk> Link: https://lore.kernel.org/r/20230128125844.2407135-2-alvin@pqrs.dk Signed-off-by: Johannes Berg <johannes.berg@intel.com>
89 lines
2.0 KiB
C
89 lines
2.0 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Parts of this file are
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* Copyright (C) 2022 Intel Corporation
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*/
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#include <linux/ieee80211.h>
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#include <linux/export.h>
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#include <net/cfg80211.h>
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#include "nl80211.h"
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#include "core.h"
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#include "rdev-ops.h"
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static int ___cfg80211_stop_ap(struct cfg80211_registered_device *rdev,
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struct net_device *dev, unsigned int link_id,
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bool notify)
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{
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struct wireless_dev *wdev = dev->ieee80211_ptr;
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int err;
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ASSERT_WDEV_LOCK(wdev);
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if (!rdev->ops->stop_ap)
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return -EOPNOTSUPP;
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if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
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dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
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return -EOPNOTSUPP;
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if (!wdev->links[link_id].ap.beacon_interval)
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return -ENOENT;
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err = rdev_stop_ap(rdev, dev, link_id);
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if (!err) {
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wdev->conn_owner_nlportid = 0;
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wdev->links[link_id].ap.beacon_interval = 0;
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memset(&wdev->links[link_id].ap.chandef, 0,
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sizeof(wdev->links[link_id].ap.chandef));
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wdev->u.ap.ssid_len = 0;
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rdev_set_qos_map(rdev, dev, NULL);
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if (notify)
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nl80211_send_ap_stopped(wdev, link_id);
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/* Should we apply the grace period during beaconing interface
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* shutdown also?
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*/
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cfg80211_sched_dfs_chan_update(rdev);
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}
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schedule_work(&cfg80211_disconnect_work);
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return err;
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}
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int __cfg80211_stop_ap(struct cfg80211_registered_device *rdev,
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struct net_device *dev, int link_id,
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bool notify)
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{
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unsigned int link;
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int ret = 0;
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if (link_id >= 0)
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return ___cfg80211_stop_ap(rdev, dev, link_id, notify);
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for_each_valid_link(dev->ieee80211_ptr, link) {
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int ret1 = ___cfg80211_stop_ap(rdev, dev, link, notify);
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if (ret1)
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ret = ret1;
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/* try the next one also if one errored */
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}
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return ret;
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}
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int cfg80211_stop_ap(struct cfg80211_registered_device *rdev,
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struct net_device *dev, int link_id,
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bool notify)
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{
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struct wireless_dev *wdev = dev->ieee80211_ptr;
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int err;
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wdev_lock(wdev);
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err = __cfg80211_stop_ap(rdev, dev, link_id, notify);
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wdev_unlock(wdev);
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return err;
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}
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