iwlwifi: mvm: move iwl_mvm_sta_alloc_queue() down
We want to call iwl_mvm_inactivity_check() from here in the next patch, so need to move the code down to be able to. Fix a minor checkpatch complaint while at it. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
This commit is contained in:
Johannes Berg
Luca Coelho
parent
6fe64d034e
commit
c20e08b0d6
@ -936,211 +936,6 @@ static bool iwl_mvm_enable_txq(struct iwl_mvm *mvm, int queue,
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return inc_ssn;
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return inc_ssn;
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}
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}
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static int iwl_mvm_sta_alloc_queue(struct iwl_mvm *mvm,
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struct ieee80211_sta *sta, u8 ac, int tid,
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struct ieee80211_hdr *hdr)
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{
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struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
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struct iwl_trans_txq_scd_cfg cfg = {
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.fifo = iwl_mvm_mac_ac_to_tx_fifo(mvm, ac),
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.sta_id = mvmsta->sta_id,
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.tid = tid,
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.frame_limit = IWL_FRAME_LIMIT,
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};
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unsigned int wdg_timeout =
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iwl_mvm_get_wd_timeout(mvm, mvmsta->vif, false, false);
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u8 mac_queue = mvmsta->vif->hw_queue[ac];
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int queue = -1;
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bool using_inactive_queue = false, same_sta = false;
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unsigned long disable_agg_tids = 0;
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enum iwl_mvm_agg_state queue_state;
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bool shared_queue = false, inc_ssn;
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int ssn;
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unsigned long tfd_queue_mask;
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int ret;
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lockdep_assert_held(&mvm->mutex);
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if (iwl_mvm_has_new_tx_api(mvm))
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return iwl_mvm_sta_alloc_queue_tvqm(mvm, sta, ac, tid);
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spin_lock_bh(&mvmsta->lock);
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tfd_queue_mask = mvmsta->tfd_queue_msk;
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spin_unlock_bh(&mvmsta->lock);
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spin_lock_bh(&mvm->queue_info_lock);
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/*
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* Non-QoS, QoS NDP and MGMT frames should go to a MGMT queue, if one
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* exists
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*/
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if (!ieee80211_is_data_qos(hdr->frame_control) ||
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ieee80211_is_qos_nullfunc(hdr->frame_control)) {
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queue = iwl_mvm_find_free_queue(mvm, mvmsta->sta_id,
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IWL_MVM_DQA_MIN_MGMT_QUEUE,
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IWL_MVM_DQA_MAX_MGMT_QUEUE);
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if (queue >= IWL_MVM_DQA_MIN_MGMT_QUEUE)
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IWL_DEBUG_TX_QUEUES(mvm, "Found free MGMT queue #%d\n",
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queue);
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/* If no such queue is found, we'll use a DATA queue instead */
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}
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if ((queue < 0 && mvmsta->reserved_queue != IEEE80211_INVAL_HW_QUEUE) &&
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(mvm->queue_info[mvmsta->reserved_queue].status ==
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IWL_MVM_QUEUE_RESERVED ||
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mvm->queue_info[mvmsta->reserved_queue].status ==
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IWL_MVM_QUEUE_INACTIVE)) {
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queue = mvmsta->reserved_queue;
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mvm->queue_info[queue].reserved = true;
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IWL_DEBUG_TX_QUEUES(mvm, "Using reserved queue #%d\n", queue);
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}
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if (queue < 0)
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queue = iwl_mvm_find_free_queue(mvm, mvmsta->sta_id,
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IWL_MVM_DQA_MIN_DATA_QUEUE,
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IWL_MVM_DQA_MAX_DATA_QUEUE);
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/*
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* Check if this queue is already allocated but inactive.
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* In such a case, we'll need to first free this queue before enabling
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* it again, so we'll mark it as reserved to make sure no new traffic
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* arrives on it
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*/
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if (queue > 0 &&
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mvm->queue_info[queue].status == IWL_MVM_QUEUE_INACTIVE) {
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mvm->queue_info[queue].status = IWL_MVM_QUEUE_RESERVED;
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using_inactive_queue = true;
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same_sta = mvm->queue_info[queue].ra_sta_id == mvmsta->sta_id;
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IWL_DEBUG_TX_QUEUES(mvm,
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"Re-assigning TXQ %d: sta_id=%d, tid=%d\n",
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queue, mvmsta->sta_id, tid);
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}
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/* No free queue - we'll have to share */
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if (queue <= 0) {
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queue = iwl_mvm_get_shared_queue(mvm, tfd_queue_mask, ac);
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if (queue > 0) {
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shared_queue = true;
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mvm->queue_info[queue].status = IWL_MVM_QUEUE_SHARED;
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}
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}
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/*
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* Mark TXQ as ready, even though it hasn't been fully configured yet,
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* to make sure no one else takes it.
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* This will allow avoiding re-acquiring the lock at the end of the
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* configuration. On error we'll mark it back as free.
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*/
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if ((queue > 0) && !shared_queue)
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mvm->queue_info[queue].status = IWL_MVM_QUEUE_READY;
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spin_unlock_bh(&mvm->queue_info_lock);
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/* This shouldn't happen - out of queues */
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if (WARN_ON(queue <= 0)) {
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IWL_ERR(mvm, "No available queues for tid %d on sta_id %d\n",
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tid, cfg.sta_id);
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return queue;
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}
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/*
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* Actual en/disablement of aggregations is through the ADD_STA HCMD,
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* but for configuring the SCD to send A-MPDUs we need to mark the queue
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* as aggregatable.
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* Mark all DATA queues as allowing to be aggregated at some point
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*/
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cfg.aggregate = (queue >= IWL_MVM_DQA_MIN_DATA_QUEUE ||
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queue == IWL_MVM_DQA_BSS_CLIENT_QUEUE);
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/*
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* If this queue was previously inactive (idle) - we need to free it
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* first
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*/
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if (using_inactive_queue) {
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ret = iwl_mvm_free_inactive_queue(mvm, queue, same_sta);
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if (ret)
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return ret;
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}
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IWL_DEBUG_TX_QUEUES(mvm,
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"Allocating %squeue #%d to sta %d on tid %d\n",
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shared_queue ? "shared " : "", queue,
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mvmsta->sta_id, tid);
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if (shared_queue) {
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/* Disable any open aggs on this queue */
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disable_agg_tids = iwl_mvm_get_queue_agg_tids(mvm, queue);
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if (disable_agg_tids) {
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IWL_DEBUG_TX_QUEUES(mvm, "Disabling aggs on queue %d\n",
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queue);
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iwl_mvm_invalidate_sta_queue(mvm, queue,
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disable_agg_tids, false);
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}
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}
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ssn = IEEE80211_SEQ_TO_SN(le16_to_cpu(hdr->seq_ctrl));
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inc_ssn = iwl_mvm_enable_txq(mvm, queue, mac_queue,
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ssn, &cfg, wdg_timeout);
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if (inc_ssn) {
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ssn = (ssn + 1) & IEEE80211_SCTL_SEQ;
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le16_add_cpu(&hdr->seq_ctrl, 0x10);
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}
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/*
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* Mark queue as shared in transport if shared
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* Note this has to be done after queue enablement because enablement
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* can also set this value, and there is no indication there to shared
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* queues
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*/
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if (shared_queue)
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iwl_trans_txq_set_shared_mode(mvm->trans, queue, true);
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spin_lock_bh(&mvmsta->lock);
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/*
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* This looks racy, but it is not. We have only one packet for
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* this ra/tid in our Tx path since we stop the Qdisc when we
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* need to allocate a new TFD queue.
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*/
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if (inc_ssn)
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mvmsta->tid_data[tid].seq_number += 0x10;
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mvmsta->tid_data[tid].txq_id = queue;
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mvmsta->tid_data[tid].is_tid_active = true;
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mvmsta->tfd_queue_msk |= BIT(queue);
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queue_state = mvmsta->tid_data[tid].state;
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if (mvmsta->reserved_queue == queue)
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mvmsta->reserved_queue = IEEE80211_INVAL_HW_QUEUE;
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spin_unlock_bh(&mvmsta->lock);
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if (!shared_queue) {
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ret = iwl_mvm_sta_send_to_fw(mvm, sta, true, STA_MODIFY_QUEUES);
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if (ret)
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goto out_err;
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/* If we need to re-enable aggregations... */
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if (queue_state == IWL_AGG_ON) {
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ret = iwl_mvm_sta_tx_agg(mvm, sta, tid, queue, true);
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if (ret)
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goto out_err;
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}
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} else {
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/* Redirect queue, if needed */
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ret = iwl_mvm_scd_queue_redirect(mvm, queue, tid, ac, ssn,
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wdg_timeout, false);
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if (ret)
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goto out_err;
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}
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return 0;
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out_err:
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iwl_mvm_disable_txq(mvm, queue, mac_queue, tid, 0);
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return ret;
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}
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static void iwl_mvm_change_queue_tid(struct iwl_mvm *mvm, int queue)
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static void iwl_mvm_change_queue_tid(struct iwl_mvm *mvm, int queue)
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{
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{
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struct iwl_scd_txq_cfg_cmd cmd = {
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struct iwl_scd_txq_cfg_cmd cmd = {
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@ -1460,6 +1255,211 @@ static void iwl_mvm_inactivity_check(struct iwl_mvm *mvm)
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iwl_mvm_change_queue_tid(mvm, i);
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iwl_mvm_change_queue_tid(mvm, i);
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}
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}
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static int iwl_mvm_sta_alloc_queue(struct iwl_mvm *mvm,
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struct ieee80211_sta *sta, u8 ac, int tid,
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struct ieee80211_hdr *hdr)
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{
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struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
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struct iwl_trans_txq_scd_cfg cfg = {
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.fifo = iwl_mvm_mac_ac_to_tx_fifo(mvm, ac),
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.sta_id = mvmsta->sta_id,
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.tid = tid,
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.frame_limit = IWL_FRAME_LIMIT,
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};
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unsigned int wdg_timeout =
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iwl_mvm_get_wd_timeout(mvm, mvmsta->vif, false, false);
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u8 mac_queue = mvmsta->vif->hw_queue[ac];
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int queue = -1;
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bool using_inactive_queue = false, same_sta = false;
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unsigned long disable_agg_tids = 0;
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enum iwl_mvm_agg_state queue_state;
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bool shared_queue = false, inc_ssn;
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int ssn;
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unsigned long tfd_queue_mask;
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int ret;
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lockdep_assert_held(&mvm->mutex);
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if (iwl_mvm_has_new_tx_api(mvm))
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return iwl_mvm_sta_alloc_queue_tvqm(mvm, sta, ac, tid);
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spin_lock_bh(&mvmsta->lock);
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tfd_queue_mask = mvmsta->tfd_queue_msk;
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spin_unlock_bh(&mvmsta->lock);
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spin_lock_bh(&mvm->queue_info_lock);
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/*
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* Non-QoS, QoS NDP and MGMT frames should go to a MGMT queue, if one
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* exists
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*/
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if (!ieee80211_is_data_qos(hdr->frame_control) ||
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ieee80211_is_qos_nullfunc(hdr->frame_control)) {
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queue = iwl_mvm_find_free_queue(mvm, mvmsta->sta_id,
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IWL_MVM_DQA_MIN_MGMT_QUEUE,
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IWL_MVM_DQA_MAX_MGMT_QUEUE);
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if (queue >= IWL_MVM_DQA_MIN_MGMT_QUEUE)
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IWL_DEBUG_TX_QUEUES(mvm, "Found free MGMT queue #%d\n",
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queue);
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/* If no such queue is found, we'll use a DATA queue instead */
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}
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if ((queue < 0 && mvmsta->reserved_queue != IEEE80211_INVAL_HW_QUEUE) &&
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(mvm->queue_info[mvmsta->reserved_queue].status ==
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IWL_MVM_QUEUE_RESERVED ||
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mvm->queue_info[mvmsta->reserved_queue].status ==
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IWL_MVM_QUEUE_INACTIVE)) {
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queue = mvmsta->reserved_queue;
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mvm->queue_info[queue].reserved = true;
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IWL_DEBUG_TX_QUEUES(mvm, "Using reserved queue #%d\n", queue);
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}
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if (queue < 0)
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queue = iwl_mvm_find_free_queue(mvm, mvmsta->sta_id,
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IWL_MVM_DQA_MIN_DATA_QUEUE,
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IWL_MVM_DQA_MAX_DATA_QUEUE);
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/*
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* Check if this queue is already allocated but inactive.
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* In such a case, we'll need to first free this queue before enabling
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* it again, so we'll mark it as reserved to make sure no new traffic
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* arrives on it
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*/
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if (queue > 0 &&
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mvm->queue_info[queue].status == IWL_MVM_QUEUE_INACTIVE) {
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mvm->queue_info[queue].status = IWL_MVM_QUEUE_RESERVED;
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using_inactive_queue = true;
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same_sta = mvm->queue_info[queue].ra_sta_id == mvmsta->sta_id;
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IWL_DEBUG_TX_QUEUES(mvm,
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"Re-assigning TXQ %d: sta_id=%d, tid=%d\n",
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queue, mvmsta->sta_id, tid);
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}
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/* No free queue - we'll have to share */
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if (queue <= 0) {
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queue = iwl_mvm_get_shared_queue(mvm, tfd_queue_mask, ac);
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if (queue > 0) {
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shared_queue = true;
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mvm->queue_info[queue].status = IWL_MVM_QUEUE_SHARED;
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}
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}
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/*
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* Mark TXQ as ready, even though it hasn't been fully configured yet,
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* to make sure no one else takes it.
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* This will allow avoiding re-acquiring the lock at the end of the
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* configuration. On error we'll mark it back as free.
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*/
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if (queue > 0 && !shared_queue)
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mvm->queue_info[queue].status = IWL_MVM_QUEUE_READY;
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spin_unlock_bh(&mvm->queue_info_lock);
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/* This shouldn't happen - out of queues */
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if (WARN_ON(queue <= 0)) {
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IWL_ERR(mvm, "No available queues for tid %d on sta_id %d\n",
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tid, cfg.sta_id);
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return queue;
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}
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/*
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* Actual en/disablement of aggregations is through the ADD_STA HCMD,
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* but for configuring the SCD to send A-MPDUs we need to mark the queue
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* as aggregatable.
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* Mark all DATA queues as allowing to be aggregated at some point
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*/
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cfg.aggregate = (queue >= IWL_MVM_DQA_MIN_DATA_QUEUE ||
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queue == IWL_MVM_DQA_BSS_CLIENT_QUEUE);
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/*
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* If this queue was previously inactive (idle) - we need to free it
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* first
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*/
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if (using_inactive_queue) {
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||||||
|
ret = iwl_mvm_free_inactive_queue(mvm, queue, same_sta);
|
||||||
|
if (ret)
|
||||||
|
return ret;
|
||||||
|
}
|
||||||
|
|
||||||
|
IWL_DEBUG_TX_QUEUES(mvm,
|
||||||
|
"Allocating %squeue #%d to sta %d on tid %d\n",
|
||||||
|
shared_queue ? "shared " : "", queue,
|
||||||
|
mvmsta->sta_id, tid);
|
||||||
|
|
||||||
|
if (shared_queue) {
|
||||||
|
/* Disable any open aggs on this queue */
|
||||||
|
disable_agg_tids = iwl_mvm_get_queue_agg_tids(mvm, queue);
|
||||||
|
|
||||||
|
if (disable_agg_tids) {
|
||||||
|
IWL_DEBUG_TX_QUEUES(mvm, "Disabling aggs on queue %d\n",
|
||||||
|
queue);
|
||||||
|
iwl_mvm_invalidate_sta_queue(mvm, queue,
|
||||||
|
disable_agg_tids, false);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
ssn = IEEE80211_SEQ_TO_SN(le16_to_cpu(hdr->seq_ctrl));
|
||||||
|
inc_ssn = iwl_mvm_enable_txq(mvm, queue, mac_queue,
|
||||||
|
ssn, &cfg, wdg_timeout);
|
||||||
|
if (inc_ssn) {
|
||||||
|
ssn = (ssn + 1) & IEEE80211_SCTL_SEQ;
|
||||||
|
le16_add_cpu(&hdr->seq_ctrl, 0x10);
|
||||||
|
}
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Mark queue as shared in transport if shared
|
||||||
|
* Note this has to be done after queue enablement because enablement
|
||||||
|
* can also set this value, and there is no indication there to shared
|
||||||
|
* queues
|
||||||
|
*/
|
||||||
|
if (shared_queue)
|
||||||
|
iwl_trans_txq_set_shared_mode(mvm->trans, queue, true);
|
||||||
|
|
||||||
|
spin_lock_bh(&mvmsta->lock);
|
||||||
|
/*
|
||||||
|
* This looks racy, but it is not. We have only one packet for
|
||||||
|
* this ra/tid in our Tx path since we stop the Qdisc when we
|
||||||
|
* need to allocate a new TFD queue.
|
||||||
|
*/
|
||||||
|
if (inc_ssn)
|
||||||
|
mvmsta->tid_data[tid].seq_number += 0x10;
|
||||||
|
mvmsta->tid_data[tid].txq_id = queue;
|
||||||
|
mvmsta->tid_data[tid].is_tid_active = true;
|
||||||
|
mvmsta->tfd_queue_msk |= BIT(queue);
|
||||||
|
queue_state = mvmsta->tid_data[tid].state;
|
||||||
|
|
||||||
|
if (mvmsta->reserved_queue == queue)
|
||||||
|
mvmsta->reserved_queue = IEEE80211_INVAL_HW_QUEUE;
|
||||||
|
spin_unlock_bh(&mvmsta->lock);
|
||||||
|
|
||||||
|
if (!shared_queue) {
|
||||||
|
ret = iwl_mvm_sta_send_to_fw(mvm, sta, true, STA_MODIFY_QUEUES);
|
||||||
|
if (ret)
|
||||||
|
goto out_err;
|
||||||
|
|
||||||
|
/* If we need to re-enable aggregations... */
|
||||||
|
if (queue_state == IWL_AGG_ON) {
|
||||||
|
ret = iwl_mvm_sta_tx_agg(mvm, sta, tid, queue, true);
|
||||||
|
if (ret)
|
||||||
|
goto out_err;
|
||||||
|
}
|
||||||
|
} else {
|
||||||
|
/* Redirect queue, if needed */
|
||||||
|
ret = iwl_mvm_scd_queue_redirect(mvm, queue, tid, ac, ssn,
|
||||||
|
wdg_timeout, false);
|
||||||
|
if (ret)
|
||||||
|
goto out_err;
|
||||||
|
}
|
||||||
|
|
||||||
|
return 0;
|
||||||
|
|
||||||
|
out_err:
|
||||||
|
iwl_mvm_disable_txq(mvm, queue, mac_queue, tid, 0);
|
||||||
|
|
||||||
|
return ret;
|
||||||
|
}
|
||||||
|
|
||||||
static inline u8 iwl_mvm_tid_to_ac_queue(int tid)
|
static inline u8 iwl_mvm_tid_to_ac_queue(int tid)
|
||||||
{
|
{
|
||||||
if (tid == IWL_MAX_TID_COUNT)
|
if (tid == IWL_MAX_TID_COUNT)
|
||||||
|
|||||||
Loading…
Reference in New Issue
Block a user