diff options
Diffstat (limited to 'package/kernel/mac80211/patches/subsys/323-mac80211-Expose-ieee80211_schedule_txq-function.patch')
| -rw-r--r-- | package/kernel/mac80211/patches/subsys/323-mac80211-Expose-ieee80211_schedule_txq-function.patch | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/subsys/323-mac80211-Expose-ieee80211_schedule_txq-function.patch b/package/kernel/mac80211/patches/subsys/323-mac80211-Expose-ieee80211_schedule_txq-function.patch new file mode 100644 index 0000000000..573f9bd135 --- /dev/null +++ b/package/kernel/mac80211/patches/subsys/323-mac80211-Expose-ieee80211_schedule_txq-function.patch @@ -0,0 +1,73 @@ +From: =?UTF-8?q?Toke=20H=C3=B8iland-J=C3=B8rgensen?= <toke@redhat.com> +Date: Tue, 22 Jan 2019 15:20:16 +0100 +Subject: [PATCH] mac80211: Expose ieee80211_schedule_txq() function +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +Since we reworked ieee80211_return_txq() so it assumes that the caller +takes care of logging, we need another function that can be called without +holding any locks. Introduce ieee80211_schedule_txq() which serves this +purpose. + +Signed-off-by: Toke Høiland-Jørgensen <toke@redhat.com> +Signed-off-by: Johannes Berg <johannes.berg@intel.com> +--- + +--- a/include/net/mac80211.h ++++ b/include/net/mac80211.h +@@ -6074,6 +6074,19 @@ void ieee80211_txq_schedule_end(struct i + __releases(txq_lock); + + /** ++ * ieee80211_schedule_txq - schedule a TXQ for transmission ++ * ++ * @hw: pointer as obtained from ieee80211_alloc_hw() ++ * @txq: pointer obtained from station or virtual interface ++ * ++ * Schedules a TXQ for transmission if it is not already scheduled. Takes a ++ * lock, which means it must *not* be called between ++ * ieee80211_txq_schedule_start() and ieee80211_txq_schedule_end() ++ */ ++void ieee80211_schedule_txq(struct ieee80211_hw *hw, struct ieee80211_txq *txq) ++ __acquires(txq_lock) __releases(txq_lock); ++ ++/** + * ieee80211_txq_may_transmit - check whether TXQ is allowed to transmit + * + * This function is used to check whether given txq is allowed to transmit by +--- a/net/mac80211/driver-ops.h ++++ b/net/mac80211/driver-ops.h +@@ -1179,9 +1179,7 @@ static inline void drv_wake_tx_queue(str + static inline void schedule_and_wake_txq(struct ieee80211_local *local, + struct txq_info *txqi) + { +- spin_lock_bh(&local->active_txq_lock[txqi->txq.ac]); +- ieee80211_return_txq(&local->hw, &txqi->txq); +- spin_unlock_bh(&local->active_txq_lock[txqi->txq.ac]); ++ ieee80211_schedule_txq(&local->hw, &txqi->txq); + drv_wake_tx_queue(local, txqi); + } + +--- a/net/mac80211/tx.c ++++ b/net/mac80211/tx.c +@@ -3675,6 +3675,19 @@ void ieee80211_return_txq(struct ieee802 + } + EXPORT_SYMBOL(ieee80211_return_txq); + ++void ieee80211_schedule_txq(struct ieee80211_hw *hw, ++ struct ieee80211_txq *txq) ++ __acquires(txq_lock) __releases(txq_lock) ++{ ++ struct ieee80211_local *local = hw_to_local(hw); ++ struct txq_info *txqi = to_txq_info(txq); ++ ++ spin_lock_bh(&local->active_txq_lock[txq->ac]); ++ ieee80211_return_txq(hw, txq); ++ spin_unlock_bh(&local->active_txq_lock[txq->ac]); ++} ++EXPORT_SYMBOL(ieee80211_schedule_txq); ++ + bool ieee80211_txq_may_transmit(struct ieee80211_hw *hw, + struct ieee80211_txq *txq) + { |