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iwlwifi: mvm: keep track of tid associated with each queue

Telusuri Sumber 
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 <liad.kaufman@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
This commit is contained in:
Liad Kaufman
2016-02-02 15:43:32 +02:00
committed by Luca Coelho
orang tua 9f9af3d7d3
melakukan edbe961cf4
3 mengubah file dengan 11 tambahan dan 0 penghapusan
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1
drivers/net/wireless/intel/iwlwifi/mvm/mvm.h
Melihat File

@@ -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];

7
drivers/net/wireless/intel/iwlwifi/mvm/sta.c
Melihat File

@@ -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 */

3
drivers/net/wireless/intel/iwlwifi/mvm/utils.c
Melihat File

@@ -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 ||