diff options
| author | Emmanuel Grumbach <emmanuel.grumbach@intel.com> | 2011-11-21 13:25:31 +0200 |
|---|---|---|
| committer | Wey-Yi Guy <wey-yi.w.guy@intel.com> | 2011-12-16 07:22:52 -0800 |
| commit | 3c69b5954225b41cfa57338b17466816072d55a2 (patch) | |
| tree | 60ff5619d3240cd39863d92fab2ef07447d7543f /drivers/net/wireless/iwlwifi/iwl-agn-tx.c | |
| parent | bc23773059ecea24cb653994686d230b6be08536 (diff) | |
iwlwifi: tid_data logic move to upper layer - tx AGG alloc
The tid_data is not related to the transport layer, so move
the logic that depends on it to the upper layer.
This patch deals with tx AGG alloc.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-agn-tx.c')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-agn-tx.c | 32 |
1 files changed, 30 insertions, 2 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-tx.c b/drivers/net/wireless/iwlwifi/iwl-agn-tx.c index a31cdef8484..1ec4720b369 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-tx.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-tx.c @@ -470,6 +470,8 @@ int iwlagn_tx_agg_start(struct iwl_priv *priv, struct ieee80211_vif *vif, struct ieee80211_sta *sta, u16 tid, u16 *ssn) { struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv; + struct iwl_tid_data *tid_data; + unsigned long flags; int sta_id; int ret; @@ -493,8 +495,34 @@ int iwlagn_tx_agg_start(struct iwl_priv *priv, struct ieee80211_vif *vif, if (ret) return ret; - ret = iwl_trans_tx_agg_alloc(trans(priv), vif_priv->ctx->ctxid, sta_id, - tid, ssn); + spin_lock_irqsave(&priv->shrd->sta_lock, flags); + + tid_data = &priv->shrd->tid_data[sta_id][tid]; + tid_data->agg.ssn = SEQ_TO_SN(tid_data->seq_number); + + *ssn = tid_data->agg.ssn; + + ret = iwl_trans_tx_agg_alloc(trans(priv), sta_id, tid); + if (ret) { + spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); + return ret; + } + + if (*ssn == tid_data->next_reclaimed) { + IWL_DEBUG_TX_QUEUES(priv, "Can proceed: ssn = next_recl = %d", + tid_data->agg.ssn); + tid_data->agg.state = IWL_AGG_ON; + iwl_start_tx_ba_trans_ready(priv, vif_priv->ctx->ctxid, sta_id, + tid); + } else { + IWL_DEBUG_TX_QUEUES(priv, "Can't proceed: ssn %d, " + "next_reclaimed = %d", + tid_data->agg.ssn, + tid_data->next_reclaimed); + tid_data->agg.state = IWL_EMPTYING_HW_QUEUE_ADDBA; + } + + spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); return ret; } |