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ac7ccf739a
This updates to backports-4.19.57-1 which contains the wireless subsystem and driver from kernel 4.19.57. The removed patches are applied upstream. Tested-by: Koen Vandeputte <koen.vandeputte@ncentric.com> Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
74 lines
2.5 KiB
Diff
74 lines
2.5 KiB
Diff
From: =?UTF-8?q?Toke=20H=C3=B8iland-J=C3=B8rgensen?= <toke@redhat.com>
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Date: Tue, 22 Jan 2019 15:20:16 +0100
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Subject: [PATCH] mac80211: Expose ieee80211_schedule_txq() function
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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Since we reworked ieee80211_return_txq() so it assumes that the caller
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takes care of logging, we need another function that can be called without
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holding any locks. Introduce ieee80211_schedule_txq() which serves this
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purpose.
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Signed-off-by: Toke Høiland-Jørgensen <toke@redhat.com>
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Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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---
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--- a/include/net/mac80211.h
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+++ b/include/net/mac80211.h
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@@ -6074,6 +6074,19 @@ void ieee80211_txq_schedule_end(struct i
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__releases(txq_lock);
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/**
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+ * ieee80211_schedule_txq - schedule a TXQ for transmission
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+ *
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+ * @hw: pointer as obtained from ieee80211_alloc_hw()
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+ * @txq: pointer obtained from station or virtual interface
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+ *
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+ * Schedules a TXQ for transmission if it is not already scheduled. Takes a
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+ * lock, which means it must *not* be called between
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+ * ieee80211_txq_schedule_start() and ieee80211_txq_schedule_end()
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+ */
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+void ieee80211_schedule_txq(struct ieee80211_hw *hw, struct ieee80211_txq *txq)
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+ __acquires(txq_lock) __releases(txq_lock);
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+
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+/**
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* ieee80211_txq_may_transmit - check whether TXQ is allowed to transmit
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*
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* This function is used to check whether given txq is allowed to transmit by
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--- a/net/mac80211/driver-ops.h
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+++ b/net/mac80211/driver-ops.h
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@@ -1179,9 +1179,7 @@ static inline void drv_wake_tx_queue(str
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static inline void schedule_and_wake_txq(struct ieee80211_local *local,
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struct txq_info *txqi)
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{
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- spin_lock_bh(&local->active_txq_lock[txqi->txq.ac]);
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- ieee80211_return_txq(&local->hw, &txqi->txq);
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- spin_unlock_bh(&local->active_txq_lock[txqi->txq.ac]);
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+ ieee80211_schedule_txq(&local->hw, &txqi->txq);
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drv_wake_tx_queue(local, txqi);
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}
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--- a/net/mac80211/tx.c
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+++ b/net/mac80211/tx.c
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@@ -3673,6 +3673,19 @@ void ieee80211_return_txq(struct ieee802
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}
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EXPORT_SYMBOL(ieee80211_return_txq);
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+void ieee80211_schedule_txq(struct ieee80211_hw *hw,
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+ struct ieee80211_txq *txq)
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+ __acquires(txq_lock) __releases(txq_lock)
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+{
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+ struct ieee80211_local *local = hw_to_local(hw);
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+ struct txq_info *txqi = to_txq_info(txq);
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+
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+ spin_lock_bh(&local->active_txq_lock[txq->ac]);
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+ ieee80211_return_txq(hw, txq);
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+ spin_unlock_bh(&local->active_txq_lock[txq->ac]);
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+}
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+EXPORT_SYMBOL(ieee80211_schedule_txq);
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+
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bool ieee80211_txq_may_transmit(struct ieee80211_hw *hw,
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struct ieee80211_txq *txq)
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{
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