Ejemplos de iwm_tx_build_packet en C++ (Cpp)

Ejemplo n.º 1

void iwm_tx_worker(struct work_struct *work)
{
	struct iwm_priv *iwm;
	struct iwm_tx_info *tx_info = NULL;
	struct sk_buff *skb;
	int cmdlen, ret;
	struct iwm_tx_queue *txq;
	int pool_id;

	txq = container_of(work, struct iwm_tx_queue, worker);
	iwm = container_of(txq, struct iwm_priv, txq[txq->id]);

	pool_id = queue_to_pool_id(txq->id);

	while (!test_bit(pool_id, &iwm->tx_credit.full_pools_map) &&
	       !skb_queue_empty(&txq->queue)) {

		skb = skb_dequeue(&txq->queue);
		tx_info = skb_to_tx_info(skb);
		cmdlen = IWM_UDMA_HDR_LEN + skb->len;

		IWM_DBG_TX(iwm, DBG, "Tx frame on queue %d: skb: 0x%p, sta: "
			   "%d, color: %d\n", txq->id, skb, tx_info->sta,
			   tx_info->color);

#if !CONFIG_IWM_TX_CONCATENATED
		
		ret = iwm_send_packet(iwm, skb, pool_id);
#else

		if (txq->concat_count + cmdlen > IWM_HAL_CONCATENATE_BUF_SIZE)
			iwm_tx_send_concat_packets(iwm, txq);

		ret = iwm_tx_credit_alloc(iwm, pool_id, cmdlen);
		if (ret) {
			IWM_DBG_TX(iwm, DBG, "not enough tx_credit for queue "
				   "%d, Tx worker stopped\n", txq->id);
			skb_queue_head(&txq->queue, skb);
			break;
		}

		txq->concat_ptr = txq->concat_buf + txq->concat_count;
		iwm_tx_build_packet(iwm, skb, pool_id, txq->concat_ptr);
		txq->concat_count += ALIGN(cmdlen, 16);
#endif
		kfree_skb(skb);
	}

	iwm_tx_send_concat_packets(iwm, txq);

	if (__netif_subqueue_stopped(iwm_to_ndev(iwm), txq->id) &&
	    !test_bit(pool_id, &iwm->tx_credit.full_pools_map) &&
	    (skb_queue_len(&txq->queue) < IWM_TX_LIST_SIZE / 2)) {
		IWM_DBG_TX(iwm, DBG, "LINK: start netif_subqueue[%d]", txq->id);
		netif_wake_subqueue(iwm_to_ndev(iwm), txq->id);
	}
}

Ejemplo n.º 2

Archivo: tx.c Proyecto: DirtyDroidX/android_kernel_htc_m8ul

void iwm_tx_worker(struct work_struct *work)
{
	struct iwm_priv *iwm;
	struct iwm_tx_info *tx_info = NULL;
	struct sk_buff *skb;
	struct iwm_tx_queue *txq;
	struct iwm_sta_info *sta_info;
	struct iwm_tid_info *tid_info;
	int cmdlen, ret, pool_id;

	txq = container_of(work, struct iwm_tx_queue, worker);
	iwm = container_of(txq, struct iwm_priv, txq[txq->id]);

	pool_id = queue_to_pool_id(txq->id);

	while (!test_bit(pool_id, &iwm->tx_credit.full_pools_map) &&
	       !skb_queue_empty(&txq->queue)) {

		spin_lock_bh(&txq->lock);
		skb = skb_dequeue(&txq->queue);
		spin_unlock_bh(&txq->lock);

		tx_info = skb_to_tx_info(skb);
		sta_info = &iwm->sta_table[tx_info->sta];
		if (!sta_info->valid) {
			IWM_ERR(iwm, "Trying to send a frame to unknown STA\n");
			kfree_skb(skb);
			continue;
		}

		tid_info = &sta_info->tid_info[tx_info->tid];

		mutex_lock(&tid_info->mutex);

		if (tid_info->stopped) {
			IWM_DBG_TX(iwm, DBG, "%dx%d stopped\n",
				   tx_info->sta, tx_info->tid);
			spin_lock_bh(&txq->lock);
			skb_queue_tail(&txq->stopped_queue, skb);
			spin_unlock_bh(&txq->lock);

			mutex_unlock(&tid_info->mutex);
			continue;
		}

		cmdlen = IWM_UDMA_HDR_LEN + skb->len;

		IWM_DBG_TX(iwm, DBG, "Tx frame on queue %d: skb: 0x%p, sta: "
			   "%d, color: %d\n", txq->id, skb, tx_info->sta,
			   tx_info->color);

		if (txq->concat_count + cmdlen > IWM_HAL_CONCATENATE_BUF_SIZE)
			iwm_tx_send_concat_packets(iwm, txq);

		ret = iwm_tx_credit_alloc(iwm, pool_id, cmdlen);
		if (ret) {
			IWM_DBG_TX(iwm, DBG, "not enough tx_credit for queue "
				   "%d, Tx worker stopped\n", txq->id);
			spin_lock_bh(&txq->lock);
			skb_queue_head(&txq->queue, skb);
			spin_unlock_bh(&txq->lock);

			mutex_unlock(&tid_info->mutex);
			break;
		}

		txq->concat_ptr = txq->concat_buf + txq->concat_count;
		tid_info->last_seq_num =
			iwm_tx_build_packet(iwm, skb, pool_id, txq->concat_ptr);
		txq->concat_count += ALIGN(cmdlen, 16);

		mutex_unlock(&tid_info->mutex);

		kfree_skb(skb);
	}

	iwm_tx_send_concat_packets(iwm, txq);

	if (__netif_subqueue_stopped(iwm_to_ndev(iwm), txq->id) &&
	    !test_bit(pool_id, &iwm->tx_credit.full_pools_map) &&
	    (skb_queue_len(&txq->queue) < IWM_TX_LIST_SIZE / 2)) {
		IWM_DBG_TX(iwm, DBG, "LINK: start netif_subqueue[%d]", txq->id);
		netif_wake_subqueue(iwm_to_ndev(iwm), txq->id);
	}
}