mwl8k: recheck if station still has valid rates (fd712f5f) · Commits · 戴 / test

We have 6.5 Mbps is minimum rate of the link as the criterion for creation of BA. Although we check this before creating the BA stream, by the time amdpu_action is called from the workqueue, the link can get affected in the meantime. Hence, add an additional check in amdpu_action. Signed-off-by:

Yogesh Ashok Powar <yogeshp@marvell.com> Signed-off-by:

Nishant Sarmukadam <nishants@marvell.com> Signed-off-by:

John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/mwl8k.c

+10 −0

Original line number	Diff line number	Diff line
		@@ -5085,6 +5085,7 @@ mwl8k_ampdu_action(struct ieee80211_hw hw, struct ieee80211_vif vif,
		struct mwl8k_priv *priv = hw->priv;
		struct mwl8k_ampdu_stream *stream;
		u8 *addr = sta->addr;
		struct mwl8k_sta *sta_info = MWL8K_STA(sta);

		if (!(hw->flags & IEEE80211_HW_AMPDU_AGGREGATION))
		return -ENOTSUPP;
		@@ -5127,6 +5128,15 @@ mwl8k_ampdu_action(struct ieee80211_hw hw, struct ieee80211_vif vif,
		/* Release the lock before we do the time consuming stuff */
		spin_unlock(&priv->stream_lock);
		for (i = 0; i < MAX_AMPDU_ATTEMPTS; i++) {

		/* Check if link is still valid */
		if (!sta_info->is_ampdu_allowed) {
		spin_lock(&priv->stream_lock);
		mwl8k_remove_stream(hw, stream);
		spin_unlock(&priv->stream_lock);
		return -EBUSY;
		}

		rc = mwl8k_check_ba(hw, stream);

		/* If HW restart is in progress mwl8k_post_cmd will

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