mirror of
https://github.com/Telecominfraproject/wlan-ap.git
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89 lines
3.1 KiB
Diff
89 lines
3.1 KiB
Diff
From a5d3cbdb09ff1f52cbe040932e06c8b9915c6dad Mon Sep 17 00:00:00 2001
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From: Felix Fietkau <nbd@nbd.name>
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Date: Fri, 2 Jul 2021 07:01:11 +0200
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Subject: [PATCH] mac80211: fix enabling 4-address mode on a sta vif after
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assoc
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Notify the driver about the 4-address mode change and also send a nulldata
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packet to the AP to notify it about the change
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Fixes: 1ff4e8f2dec8 ("mac80211: notify the driver when a sta uses 4-address mode")
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Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Link: https://lore.kernel.org/r/20210702050111.47546-1-nbd@nbd.name
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Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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---
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net/mac80211/cfg.c | 19 +++++++++++++++++++
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net/mac80211/ieee80211_i.h | 2 ++
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net/mac80211/mlme.c | 4 ++--
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3 files changed, 23 insertions(+), 2 deletions(-)
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diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
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index 84cc773..4e6f11e 100644
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--- a/net/mac80211/cfg.c
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+++ b/net/mac80211/cfg.c
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@@ -152,6 +152,8 @@ static int ieee80211_change_iface(struct wiphy *wiphy,
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struct vif_params *params)
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{
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struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
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+ struct ieee80211_local *local = sdata->local;
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+ struct sta_info *sta;
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int ret;
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ret = ieee80211_if_change_type(sdata, type);
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@@ -162,7 +164,24 @@ static int ieee80211_change_iface(struct wiphy *wiphy,
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RCU_INIT_POINTER(sdata->u.vlan.sta, NULL);
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ieee80211_check_fast_rx_iface(sdata);
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} else if (type == NL80211_IFTYPE_STATION && params->use_4addr >= 0) {
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+ struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
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+
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+ if (params->use_4addr == ifmgd->use_4addr)
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+ return 0;
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+
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sdata->u.mgd.use_4addr = params->use_4addr;
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+ if (!ifmgd->associated)
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+ return 0;
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+
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+ mutex_lock(&local->sta_mtx);
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+ sta = sta_info_get(sdata, ifmgd->bssid);
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+ if (sta)
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+ drv_sta_set_4addr(local, sdata, &sta->sta,
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+ params->use_4addr);
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+ mutex_unlock(&local->sta_mtx);
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+
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+ if (params->use_4addr)
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+ ieee80211_send_4addr_nullfunc(local, sdata);
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}
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if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
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diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
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index 22549b9..30ce6d2 100644
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--- a/net/mac80211/ieee80211_i.h
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+++ b/net/mac80211/ieee80211_i.h
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@@ -2201,6 +2201,8 @@ void ieee80211_dynamic_ps_timer(struct timer_list *t);
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void ieee80211_send_nullfunc(struct ieee80211_local *local,
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struct ieee80211_sub_if_data *sdata,
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bool powersave);
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+void ieee80211_send_4addr_nullfunc(struct ieee80211_local *local,
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+ struct ieee80211_sub_if_data *sdata);
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void ieee80211_sta_tx_notify(struct ieee80211_sub_if_data *sdata,
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struct ieee80211_hdr *hdr, bool ack, u16 tx_time);
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diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
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index a00f11a..c0ea3b1 100644
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--- a/net/mac80211/mlme.c
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+++ b/net/mac80211/mlme.c
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@@ -1095,8 +1095,8 @@ void ieee80211_send_nullfunc(struct ieee80211_local *local,
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ieee80211_tx_skb(sdata, skb);
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}
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-static void ieee80211_send_4addr_nullfunc(struct ieee80211_local *local,
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- struct ieee80211_sub_if_data *sdata)
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+void ieee80211_send_4addr_nullfunc(struct ieee80211_local *local,
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+ struct ieee80211_sub_if_data *sdata)
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{
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struct sk_buff *skb;
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struct ieee80211_hdr *nullfunc;
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--
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2.7.4
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