From edbe961cf44eed1d3b78f3b1eee0dad013ad927f Mon Sep 17 00:00:00 2001 From: Liad Kaufman Date: Tue, 2 Feb 2016 15:43:32 +0200 Subject: [PATCH] iwlwifi: mvm: keep track of tid associated with each queue When sending the SCD_QUEUE_CONFIG command, the queue is associated to a specific TID. If later there is a need to use this TID on a different queue instead, it first needs to be unassociated from the first queue. Keep track for every queue what TID is associated with it. Signed-off-by: Liad Kaufman Signed-off-by: Luca Coelho --- drivers/net/wireless/intel/iwlwifi/mvm/mvm.h | 1 + drivers/net/wireless/intel/iwlwifi/mvm/sta.c | 7 +++++++ drivers/net/wireless/intel/iwlwifi/mvm/utils.c | 3 +++ 3 files changed, 11 insertions(+) diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h index ee5a9ad..1806495 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h @@ -772,6 +772,7 @@ struct iwl_mvm { u8 ra_sta_id; /* The RA this queue is mapped to, if exists */ bool reserved; /* Is this the TXQ reserved for a STA */ u8 mac80211_ac; /* The mac80211 AC this queue is mapped to */ + u8 txq_tid; /* The TID "owner" of this queue*/ u16 tid_bitmap; /* Bitmap of the TIDs mapped to this queue */ /* Timestamp for inactivation per TID of this queue */ unsigned long last_frame_time[IWL_MAX_TID_COUNT + 1]; diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/sta.c b/drivers/net/wireless/intel/iwlwifi/mvm/sta.c index 1f235e8..730ba78 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/sta.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/sta.c @@ -562,6 +562,7 @@ int iwl_mvm_scd_queue_redirect(struct iwl_mvm *mvm, int queue, int tid, cmd.sta_id = mvm->queue_info[queue].ra_sta_id; cmd.tx_fifo = iwl_mvm_ac_to_tx_fifo[mvm->queue_info[queue].mac80211_ac]; + cmd.tid = mvm->queue_info[queue].txq_tid; mq = mvm->queue_info[queue].hw_queue_to_mac80211; shared_queue = (mvm->queue_info[queue].hw_queue_refcount > 1); spin_unlock_bh(&mvm->queue_info_lock); @@ -591,6 +592,11 @@ int iwl_mvm_scd_queue_redirect(struct iwl_mvm *mvm, int queue, int tid, cmd.sta_id, tid, LINK_QUAL_AGG_FRAME_LIMIT_DEF, ssn, wdg_timeout); + /* Update the TID "owner" of the queue */ + spin_lock_bh(&mvm->queue_info_lock); + mvm->queue_info[queue].txq_tid = tid; + spin_unlock_bh(&mvm->queue_info_lock); + /* TODO: Work-around SCD bug when moving back by multiples of 0x40 */ /* Redirect to lower AC */ @@ -749,6 +755,7 @@ static int iwl_mvm_sta_alloc_queue(struct iwl_mvm *mvm, ac = mvm->queue_info[queue].mac80211_ac; cmd.sta_id = mvm->queue_info[queue].ra_sta_id; cmd.tx_fifo = iwl_mvm_ac_to_tx_fifo[ac]; + cmd.tid = mvm->queue_info[queue].txq_tid; spin_unlock_bh(&mvm->queue_info_lock); /* Disable the queue */ diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/utils.c b/drivers/net/wireless/intel/iwlwifi/mvm/utils.c index dae64a6..423efab 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/utils.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/utils.c @@ -669,6 +669,8 @@ void iwl_mvm_enable_txq(struct iwl_mvm *mvm, int queue, int mac80211_queue, tid_to_mac80211_ac[cfg->tid]; else mvm->queue_info[queue].mac80211_ac = IEEE80211_AC_VO; + + mvm->queue_info[queue].txq_tid = cfg->tid; } IWL_DEBUG_TX_QUEUES(mvm, @@ -761,6 +763,7 @@ void iwl_mvm_disable_txq(struct iwl_mvm *mvm, int queue, int mac80211_queue, } cmd.sta_id = mvm->queue_info[queue].ra_sta_id; + cmd.tid = mvm->queue_info[queue].txq_tid; /* Make sure queue info is correct even though we overwrite it */ WARN(mvm->queue_info[queue].hw_queue_refcount || -- 2.7.4