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@@ -3095,7 +3095,7 @@
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if (priv->hw->mode->set_16kib_bfsize)
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if (priv->hw->mode->set_16kib_bfsize)
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bfsize = priv->hw->mode->set_16kib_bfsize(dev->mtu);
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bfsize = priv->hw->mode->set_16kib_bfsize(dev->mtu);
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-@@ -1033,257 +1234,516 @@ static int init_dma_desc_rings(struct ne
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+@@ -1033,235 +1234,409 @@ static int init_dma_desc_rings(struct ne
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priv->dma_buf_sz = bfsize;
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priv->dma_buf_sz = bfsize;
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@@ -3351,10 +3351,17 @@
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- priv->tx_skbuff_dma[i].buf,
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- priv->tx_skbuff_dma[i].buf,
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- priv->tx_skbuff_dma[i].len,
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- priv->tx_skbuff_dma[i].len,
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- DMA_TO_DEVICE);
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- DMA_TO_DEVICE);
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+- }
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+ for (i = 0; i < DMA_TX_SIZE; i++)
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+ for (i = 0; i < DMA_TX_SIZE; i++)
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+ stmmac_free_tx_buffer(priv, queue, i);
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+ stmmac_free_tx_buffer(priv, queue, i);
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+}
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+}
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-+
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+
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+- if (priv->tx_skbuff[i]) {
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+- dev_kfree_skb_any(priv->tx_skbuff[i]);
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+- priv->tx_skbuff[i] = NULL;
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+- priv->tx_skbuff_dma[i].buf = 0;
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+- priv->tx_skbuff_dma[i].map_as_page = false;
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+- }
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+/**
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+/**
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+ * free_dma_rx_desc_resources - free RX dma desc resources
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+ * free_dma_rx_desc_resources - free RX dma desc resources
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+ * @priv: private structure
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+ * @priv: private structure
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@@ -3383,10 +3390,11 @@
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+
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+
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+ kfree(rx_q->rx_skbuff_dma);
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+ kfree(rx_q->rx_skbuff_dma);
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+ kfree(rx_q->rx_skbuff);
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+ kfree(rx_q->rx_skbuff);
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-+ }
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-+}
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-+
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-+/**
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+ }
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+ }
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+
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+ /**
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+- * alloc_dma_desc_resources - alloc TX/RX resources.
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+ * free_dma_tx_desc_resources - free TX dma desc resources
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+ * free_dma_tx_desc_resources - free TX dma desc resources
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+ * @priv: private structure
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+ * @priv: private structure
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+ */
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+ */
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@@ -3419,36 +3427,90 @@
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+
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+
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+/**
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+/**
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+ * alloc_dma_rx_desc_resources - alloc RX resources.
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+ * alloc_dma_rx_desc_resources - alloc RX resources.
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-+ * @priv: private structure
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-+ * Description: according to which descriptor can be used (extend or basic)
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-+ * this function allocates the resources for TX and RX paths. In case of
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-+ * reception, for example, it pre-allocated the RX socket buffer in order to
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-+ * allow zero-copy mechanism.
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-+ */
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+ * @priv: private structure
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+ * Description: according to which descriptor can be used (extend or basic)
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+ * this function allocates the resources for TX and RX paths. In case of
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+ * reception, for example, it pre-allocated the RX socket buffer in order to
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+ * allow zero-copy mechanism.
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+ */
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+-static int alloc_dma_desc_resources(struct stmmac_priv *priv)
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+static int alloc_dma_rx_desc_resources(struct stmmac_priv *priv)
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+static int alloc_dma_rx_desc_resources(struct stmmac_priv *priv)
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-+{
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+ {
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+ u32 rx_count = priv->plat->rx_queues_to_use;
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+ u32 rx_count = priv->plat->rx_queues_to_use;
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-+ int ret = -ENOMEM;
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+ int ret = -ENOMEM;
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+ u32 queue;
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+ u32 queue;
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-+
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+
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+- priv->rx_skbuff_dma = kmalloc_array(DMA_RX_SIZE, sizeof(dma_addr_t),
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+- GFP_KERNEL);
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+- if (!priv->rx_skbuff_dma)
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+- return -ENOMEM;
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+ /* RX queues buffers and DMA */
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+ /* RX queues buffers and DMA */
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+ for (queue = 0; queue < rx_count; queue++) {
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+ for (queue = 0; queue < rx_count; queue++) {
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+ struct stmmac_rx_queue *rx_q = &priv->rx_queue[queue];
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+ struct stmmac_rx_queue *rx_q = &priv->rx_queue[queue];
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-+
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+
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+- priv->rx_skbuff = kmalloc_array(DMA_RX_SIZE, sizeof(struct sk_buff *),
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+- GFP_KERNEL);
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+- if (!priv->rx_skbuff)
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+- goto err_rx_skbuff;
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+-
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+- priv->tx_skbuff_dma = kmalloc_array(DMA_TX_SIZE,
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+- sizeof(*priv->tx_skbuff_dma),
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+- GFP_KERNEL);
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+- if (!priv->tx_skbuff_dma)
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+- goto err_tx_skbuff_dma;
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+-
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+- priv->tx_skbuff = kmalloc_array(DMA_TX_SIZE, sizeof(struct sk_buff *),
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+- GFP_KERNEL);
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+- if (!priv->tx_skbuff)
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+- goto err_tx_skbuff;
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+-
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+- if (priv->extend_desc) {
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+- priv->dma_erx = dma_zalloc_coherent(priv->device, DMA_RX_SIZE *
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+- sizeof(struct
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+- dma_extended_desc),
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+- &priv->dma_rx_phy,
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+- GFP_KERNEL);
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+- if (!priv->dma_erx)
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+- goto err_dma;
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+ rx_q->queue_index = queue;
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+ rx_q->queue_index = queue;
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+ rx_q->priv_data = priv;
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+ rx_q->priv_data = priv;
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-+
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+
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+- priv->dma_etx = dma_zalloc_coherent(priv->device, DMA_TX_SIZE *
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+- sizeof(struct
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+- dma_extended_desc),
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+- &priv->dma_tx_phy,
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+ rx_q->rx_skbuff_dma = kmalloc_array(DMA_RX_SIZE,
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+ rx_q->rx_skbuff_dma = kmalloc_array(DMA_RX_SIZE,
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+ sizeof(dma_addr_t),
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+ sizeof(dma_addr_t),
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-+ GFP_KERNEL);
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+ GFP_KERNEL);
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+- if (!priv->dma_etx) {
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+- dma_free_coherent(priv->device, DMA_RX_SIZE *
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+- sizeof(struct dma_extended_desc),
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+- priv->dma_erx, priv->dma_rx_phy);
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+- goto err_dma;
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+- }
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+- } else {
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+- priv->dma_rx = dma_zalloc_coherent(priv->device, DMA_RX_SIZE *
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+- sizeof(struct dma_desc),
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+- &priv->dma_rx_phy,
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+- GFP_KERNEL);
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+- if (!priv->dma_rx)
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+- goto err_dma;
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+ if (!rx_q->rx_skbuff_dma)
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+ if (!rx_q->rx_skbuff_dma)
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+ return -ENOMEM;
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+ return -ENOMEM;
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-+
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+
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+- priv->dma_tx = dma_zalloc_coherent(priv->device, DMA_TX_SIZE *
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+- sizeof(struct dma_desc),
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+- &priv->dma_tx_phy,
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+- GFP_KERNEL);
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+- if (!priv->dma_tx) {
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+- dma_free_coherent(priv->device, DMA_RX_SIZE *
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+- sizeof(struct dma_desc),
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+- priv->dma_rx, priv->dma_rx_phy);
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+ rx_q->rx_skbuff = kmalloc_array(DMA_RX_SIZE,
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+ rx_q->rx_skbuff = kmalloc_array(DMA_RX_SIZE,
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+ sizeof(struct sk_buff *),
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+ sizeof(struct sk_buff *),
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+ GFP_KERNEL);
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+ GFP_KERNEL);
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+ if (!rx_q->rx_skbuff)
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+ if (!rx_q->rx_skbuff)
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-+ goto err_dma;
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+ goto err_dma;
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+
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+
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+ if (priv->extend_desc) {
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+ if (priv->extend_desc) {
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+ rx_q->dma_erx = dma_zalloc_coherent(priv->device,
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+ rx_q->dma_erx = dma_zalloc_coherent(priv->device,
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@@ -3469,12 +3531,19 @@
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+ GFP_KERNEL);
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+ GFP_KERNEL);
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+ if (!rx_q->dma_rx)
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+ if (!rx_q->dma_rx)
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+ goto err_dma;
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+ goto err_dma;
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-+ }
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-+ }
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-+
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-+ return 0;
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-+
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-+err_dma:
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+ }
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+ }
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+
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+ return 0;
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+
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+ err_dma:
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+- kfree(priv->tx_skbuff);
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+-err_tx_skbuff:
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+- kfree(priv->tx_skbuff_dma);
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+-err_tx_skbuff_dma:
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+- kfree(priv->rx_skbuff);
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+-err_rx_skbuff:
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+- kfree(priv->rx_skbuff_dma);
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+ free_dma_rx_desc_resources(priv);
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+ free_dma_rx_desc_resources(priv);
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+
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+
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+ return ret;
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+ return ret;
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@@ -3531,7 +3600,7 @@
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+ GFP_KERNEL);
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+ GFP_KERNEL);
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+ if (!tx_q->dma_tx)
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+ if (!tx_q->dma_tx)
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+ goto err_dma_buffers;
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+ goto err_dma_buffers;
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- }
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++ }
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+ }
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+ }
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+
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+
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+ return 0;
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+ return 0;
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@@ -3560,126 +3629,85 @@
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+
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+
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+ ret = alloc_dma_tx_desc_resources(priv);
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+ ret = alloc_dma_tx_desc_resources(priv);
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+
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+
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-+ return ret;
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-+}
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-+
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+ return ret;
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+ }
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+
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+/**
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+/**
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+ * free_dma_desc_resources - free dma desc resources
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+ * free_dma_desc_resources - free dma desc resources
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+ * @priv: private structure
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+ * @priv: private structure
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+ */
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+ */
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-+static void free_dma_desc_resources(struct stmmac_priv *priv)
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-+{
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+ static void free_dma_desc_resources(struct stmmac_priv *priv)
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+ {
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+- /* Release the DMA TX/RX socket buffers */
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+- dma_free_rx_skbufs(priv);
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+- dma_free_tx_skbufs(priv);
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+-
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+- /* Free DMA regions of consistent memory previously allocated */
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+- if (!priv->extend_desc) {
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+- dma_free_coherent(priv->device,
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+- DMA_TX_SIZE * sizeof(struct dma_desc),
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+- priv->dma_tx, priv->dma_tx_phy);
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+- dma_free_coherent(priv->device,
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+- DMA_RX_SIZE * sizeof(struct dma_desc),
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+- priv->dma_rx, priv->dma_rx_phy);
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+- } else {
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+- dma_free_coherent(priv->device, DMA_TX_SIZE *
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+- sizeof(struct dma_extended_desc),
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+- priv->dma_etx, priv->dma_tx_phy);
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+- dma_free_coherent(priv->device, DMA_RX_SIZE *
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+- sizeof(struct dma_extended_desc),
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+- priv->dma_erx, priv->dma_rx_phy);
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+- }
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+- kfree(priv->rx_skbuff_dma);
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+- kfree(priv->rx_skbuff);
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+- kfree(priv->tx_skbuff_dma);
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+- kfree(priv->tx_skbuff);
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+ /* Release the DMA RX socket buffers */
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+ /* Release the DMA RX socket buffers */
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+ free_dma_rx_desc_resources(priv);
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+ free_dma_rx_desc_resources(priv);
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+
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+
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+ /* Release the DMA TX socket buffers */
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+ /* Release the DMA TX socket buffers */
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+ free_dma_tx_desc_resources(priv);
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+ free_dma_tx_desc_resources(priv);
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-+}
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-+
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-+/**
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-+ * stmmac_mac_enable_rx_queues - Enable MAC rx queues
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-+ * @priv: driver private structure
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-+ * Description: It is used for enabling the rx queues in the MAC
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-+ */
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-+static void stmmac_mac_enable_rx_queues(struct stmmac_priv *priv)
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-+{
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+ }
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+
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+ /**
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+@@ -1271,19 +1646,104 @@ static void free_dma_desc_resources(stru
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+ */
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+ static void stmmac_mac_enable_rx_queues(struct stmmac_priv *priv)
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+ {
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+- int rx_count = priv->dma_cap.number_rx_queues;
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+- int queue = 0;
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+ u32 rx_queues_count = priv->plat->rx_queues_to_use;
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+ u32 rx_queues_count = priv->plat->rx_queues_to_use;
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+ int queue;
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+ int queue;
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+ u8 mode;
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+ u8 mode;
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-- if (priv->tx_skbuff[i]) {
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-- dev_kfree_skb_any(priv->tx_skbuff[i]);
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-- priv->tx_skbuff[i] = NULL;
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-- priv->tx_skbuff_dma[i].buf = 0;
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-- priv->tx_skbuff_dma[i].map_as_page = false;
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-- }
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+- /* If GMAC does not have multiple queues, then this is not necessary*/
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+- if (rx_count == 1)
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+- return;
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+ for (queue = 0; queue < rx_queues_count; queue++) {
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+ for (queue = 0; queue < rx_queues_count; queue++) {
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+ mode = priv->plat->rx_queues_cfg[queue].mode_to_use;
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+ mode = priv->plat->rx_queues_cfg[queue].mode_to_use;
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+ priv->hw->mac->rx_queue_enable(priv->hw, mode, queue);
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+ priv->hw->mac->rx_queue_enable(priv->hw, mode, queue);
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- }
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- }
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++ }
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++}
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- /**
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|
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-- * alloc_dma_desc_resources - alloc TX/RX resources.
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|
|
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-- * @priv: private structure
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|
|
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-- * Description: according to which descriptor can be used (extend or basic)
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|
|
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-- * this function allocates the resources for TX and RX paths. In case of
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|
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-- * reception, for example, it pre-allocated the RX socket buffer in order to
|
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|
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-- * allow zero-copy mechanism.
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+- /**
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+- * If the core is synthesized with multiple rx queues / multiple
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+- * dma channels, then rx queues will be disabled by default.
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+- * For now only rx queue 0 is enabled.
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+- */
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+- priv->hw->mac->rx_queue_enable(priv->hw, queue);
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|
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++/**
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+ * stmmac_start_rx_dma - start RX DMA channel
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+ * stmmac_start_rx_dma - start RX DMA channel
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+ * @priv: driver private structure
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+ * @priv: driver private structure
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+ * @chan: RX channel index
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+ * @chan: RX channel index
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+ * Description:
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+ * Description:
|
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+ * This starts a RX DMA channel
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+ * This starts a RX DMA channel
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- */
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|
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--static int alloc_dma_desc_resources(struct stmmac_priv *priv)
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++ */
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+static void stmmac_start_rx_dma(struct stmmac_priv *priv, u32 chan)
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+static void stmmac_start_rx_dma(struct stmmac_priv *priv, u32 chan)
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- {
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-- int ret = -ENOMEM;
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--
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|
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-- priv->rx_skbuff_dma = kmalloc_array(DMA_RX_SIZE, sizeof(dma_addr_t),
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|
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-- GFP_KERNEL);
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|
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-- if (!priv->rx_skbuff_dma)
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|
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-- return -ENOMEM;
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--
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|
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-- priv->rx_skbuff = kmalloc_array(DMA_RX_SIZE, sizeof(struct sk_buff *),
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|
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-- GFP_KERNEL);
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|
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-- if (!priv->rx_skbuff)
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|
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-- goto err_rx_skbuff;
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--
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|
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-- priv->tx_skbuff_dma = kmalloc_array(DMA_TX_SIZE,
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|
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-- sizeof(*priv->tx_skbuff_dma),
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|
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-- GFP_KERNEL);
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|
|
-- if (!priv->tx_skbuff_dma)
|
|
|
|
-- goto err_tx_skbuff_dma;
|
|
|
|
--
|
|
|
|
-- priv->tx_skbuff = kmalloc_array(DMA_TX_SIZE, sizeof(struct sk_buff *),
|
|
|
|
-- GFP_KERNEL);
|
|
|
|
-- if (!priv->tx_skbuff)
|
|
|
|
-- goto err_tx_skbuff;
|
|
|
|
--
|
|
|
|
-- if (priv->extend_desc) {
|
|
|
|
-- priv->dma_erx = dma_zalloc_coherent(priv->device, DMA_RX_SIZE *
|
|
|
|
-- sizeof(struct
|
|
|
|
-- dma_extended_desc),
|
|
|
|
-- &priv->dma_rx_phy,
|
|
|
|
-- GFP_KERNEL);
|
|
|
|
-- if (!priv->dma_erx)
|
|
|
|
-- goto err_dma;
|
|
|
|
--
|
|
|
|
-- priv->dma_etx = dma_zalloc_coherent(priv->device, DMA_TX_SIZE *
|
|
|
|
-- sizeof(struct
|
|
|
|
-- dma_extended_desc),
|
|
|
|
-- &priv->dma_tx_phy,
|
|
|
|
-- GFP_KERNEL);
|
|
|
|
-- if (!priv->dma_etx) {
|
|
|
|
-- dma_free_coherent(priv->device, DMA_RX_SIZE *
|
|
|
|
-- sizeof(struct dma_extended_desc),
|
|
|
|
-- priv->dma_erx, priv->dma_rx_phy);
|
|
|
|
-- goto err_dma;
|
|
|
|
-- }
|
|
|
|
-- } else {
|
|
|
|
-- priv->dma_rx = dma_zalloc_coherent(priv->device, DMA_RX_SIZE *
|
|
|
|
-- sizeof(struct dma_desc),
|
|
|
|
-- &priv->dma_rx_phy,
|
|
|
|
-- GFP_KERNEL);
|
|
|
|
-- if (!priv->dma_rx)
|
|
|
|
-- goto err_dma;
|
|
|
|
|
|
++{
|
|
+ netdev_dbg(priv->dev, "DMA RX processes started in channel %d\n", chan);
|
|
+ netdev_dbg(priv->dev, "DMA RX processes started in channel %d\n", chan);
|
|
+ priv->hw->dma->start_rx(priv->ioaddr, chan);
|
|
+ priv->hw->dma->start_rx(priv->ioaddr, chan);
|
|
+}
|
|
+}
|
|
-
|
|
|
|
-- priv->dma_tx = dma_zalloc_coherent(priv->device, DMA_TX_SIZE *
|
|
|
|
-- sizeof(struct dma_desc),
|
|
|
|
-- &priv->dma_tx_phy,
|
|
|
|
-- GFP_KERNEL);
|
|
|
|
-- if (!priv->dma_tx) {
|
|
|
|
-- dma_free_coherent(priv->device, DMA_RX_SIZE *
|
|
|
|
-- sizeof(struct dma_desc),
|
|
|
|
-- priv->dma_rx, priv->dma_rx_phy);
|
|
|
|
-- goto err_dma;
|
|
|
|
-- }
|
|
|
|
-- }
|
|
|
|
|
|
++
|
|
+/**
|
|
+/**
|
|
+ * stmmac_start_tx_dma - start TX DMA channel
|
|
+ * stmmac_start_tx_dma - start TX DMA channel
|
|
+ * @priv: driver private structure
|
|
+ * @priv: driver private structure
|
|
@@ -3692,8 +3720,7 @@
|
|
+ netdev_dbg(priv->dev, "DMA TX processes started in channel %d\n", chan);
|
|
+ netdev_dbg(priv->dev, "DMA TX processes started in channel %d\n", chan);
|
|
+ priv->hw->dma->start_tx(priv->ioaddr, chan);
|
|
+ priv->hw->dma->start_tx(priv->ioaddr, chan);
|
|
+}
|
|
+}
|
|
-
|
|
|
|
-- return 0;
|
|
|
|
|
|
++
|
|
+/**
|
|
+/**
|
|
+ * stmmac_stop_rx_dma - stop RX DMA channel
|
|
+ * stmmac_stop_rx_dma - stop RX DMA channel
|
|
+ * @priv: driver private structure
|
|
+ * @priv: driver private structure
|
|
@@ -3706,16 +3733,7 @@
|
|
+ netdev_dbg(priv->dev, "DMA RX processes stopped in channel %d\n", chan);
|
|
+ netdev_dbg(priv->dev, "DMA RX processes stopped in channel %d\n", chan);
|
|
+ priv->hw->dma->stop_rx(priv->ioaddr, chan);
|
|
+ priv->hw->dma->stop_rx(priv->ioaddr, chan);
|
|
+}
|
|
+}
|
|
-
|
|
|
|
--err_dma:
|
|
|
|
-- kfree(priv->tx_skbuff);
|
|
|
|
--err_tx_skbuff:
|
|
|
|
-- kfree(priv->tx_skbuff_dma);
|
|
|
|
--err_tx_skbuff_dma:
|
|
|
|
-- kfree(priv->rx_skbuff);
|
|
|
|
--err_rx_skbuff:
|
|
|
|
-- kfree(priv->rx_skbuff_dma);
|
|
|
|
-- return ret;
|
|
|
|
|
|
++
|
|
+/**
|
|
+/**
|
|
+ * stmmac_stop_tx_dma - stop TX DMA channel
|
|
+ * stmmac_stop_tx_dma - stop TX DMA channel
|
|
+ * @priv: driver private structure
|
|
+ * @priv: driver private structure
|
|
@@ -3727,9 +3745,8 @@
|
|
+{
|
|
+{
|
|
+ netdev_dbg(priv->dev, "DMA TX processes stopped in channel %d\n", chan);
|
|
+ netdev_dbg(priv->dev, "DMA TX processes stopped in channel %d\n", chan);
|
|
+ priv->hw->dma->stop_tx(priv->ioaddr, chan);
|
|
+ priv->hw->dma->stop_tx(priv->ioaddr, chan);
|
|
- }
|
|
|
|
-
|
|
|
|
--static void free_dma_desc_resources(struct stmmac_priv *priv)
|
|
|
|
|
|
++}
|
|
|
|
++
|
|
+/**
|
|
+/**
|
|
+ * stmmac_start_all_dma - start all RX and TX DMA channels
|
|
+ * stmmac_start_all_dma - start all RX and TX DMA channels
|
|
+ * @priv: driver private structure
|
|
+ * @priv: driver private structure
|
|
@@ -3737,31 +3754,7 @@
|
|
+ * This starts all the RX and TX DMA channels
|
|
+ * This starts all the RX and TX DMA channels
|
|
+ */
|
|
+ */
|
|
+static void stmmac_start_all_dma(struct stmmac_priv *priv)
|
|
+static void stmmac_start_all_dma(struct stmmac_priv *priv)
|
|
- {
|
|
|
|
-- /* Release the DMA TX/RX socket buffers */
|
|
|
|
-- dma_free_rx_skbufs(priv);
|
|
|
|
-- dma_free_tx_skbufs(priv);
|
|
|
|
--
|
|
|
|
-- /* Free DMA regions of consistent memory previously allocated */
|
|
|
|
-- if (!priv->extend_desc) {
|
|
|
|
-- dma_free_coherent(priv->device,
|
|
|
|
-- DMA_TX_SIZE * sizeof(struct dma_desc),
|
|
|
|
-- priv->dma_tx, priv->dma_tx_phy);
|
|
|
|
-- dma_free_coherent(priv->device,
|
|
|
|
-- DMA_RX_SIZE * sizeof(struct dma_desc),
|
|
|
|
-- priv->dma_rx, priv->dma_rx_phy);
|
|
|
|
-- } else {
|
|
|
|
-- dma_free_coherent(priv->device, DMA_TX_SIZE *
|
|
|
|
-- sizeof(struct dma_extended_desc),
|
|
|
|
-- priv->dma_etx, priv->dma_tx_phy);
|
|
|
|
-- dma_free_coherent(priv->device, DMA_RX_SIZE *
|
|
|
|
-- sizeof(struct dma_extended_desc),
|
|
|
|
-- priv->dma_erx, priv->dma_rx_phy);
|
|
|
|
-- }
|
|
|
|
-- kfree(priv->rx_skbuff_dma);
|
|
|
|
-- kfree(priv->rx_skbuff);
|
|
|
|
-- kfree(priv->tx_skbuff_dma);
|
|
|
|
-- kfree(priv->tx_skbuff);
|
|
|
|
|
|
++{
|
|
+ u32 rx_channels_count = priv->plat->rx_queues_to_use;
|
|
+ u32 rx_channels_count = priv->plat->rx_queues_to_use;
|
|
+ u32 tx_channels_count = priv->plat->tx_queues_to_use;
|
|
+ u32 tx_channels_count = priv->plat->tx_queues_to_use;
|
|
+ u32 chan = 0;
|
|
+ u32 chan = 0;
|
|
@@ -3771,38 +3764,23 @@
|
|
+
|
|
+
|
|
+ for (chan = 0; chan < tx_channels_count; chan++)
|
|
+ for (chan = 0; chan < tx_channels_count; chan++)
|
|
+ stmmac_start_tx_dma(priv, chan);
|
|
+ stmmac_start_tx_dma(priv, chan);
|
|
- }
|
|
|
|
-
|
|
|
|
- /**
|
|
|
|
-- * stmmac_mac_enable_rx_queues - Enable MAC rx queues
|
|
|
|
-- * @priv: driver private structure
|
|
|
|
-- * Description: It is used for enabling the rx queues in the MAC
|
|
|
|
|
|
++}
|
|
|
|
++
|
|
|
|
++/**
|
|
+ * stmmac_stop_all_dma - stop all RX and TX DMA channels
|
|
+ * stmmac_stop_all_dma - stop all RX and TX DMA channels
|
|
+ * @priv: driver private structure
|
|
+ * @priv: driver private structure
|
|
+ * Description:
|
|
+ * Description:
|
|
+ * This stops the RX and TX DMA channels
|
|
+ * This stops the RX and TX DMA channels
|
|
- */
|
|
|
|
--static void stmmac_mac_enable_rx_queues(struct stmmac_priv *priv)
|
|
|
|
|
|
++ */
|
|
+static void stmmac_stop_all_dma(struct stmmac_priv *priv)
|
|
+static void stmmac_stop_all_dma(struct stmmac_priv *priv)
|
|
- {
|
|
|
|
-- int rx_count = priv->dma_cap.number_rx_queues;
|
|
|
|
-- int queue = 0;
|
|
|
|
|
|
++{
|
|
+ u32 rx_channels_count = priv->plat->rx_queues_to_use;
|
|
+ u32 rx_channels_count = priv->plat->rx_queues_to_use;
|
|
+ u32 tx_channels_count = priv->plat->tx_queues_to_use;
|
|
+ u32 tx_channels_count = priv->plat->tx_queues_to_use;
|
|
+ u32 chan = 0;
|
|
+ u32 chan = 0;
|
|
-
|
|
|
|
-- /* If GMAC does not have multiple queues, then this is not necessary*/
|
|
|
|
-- if (rx_count == 1)
|
|
|
|
-- return;
|
|
|
|
|
|
++
|
|
+ for (chan = 0; chan < rx_channels_count; chan++)
|
|
+ for (chan = 0; chan < rx_channels_count; chan++)
|
|
+ stmmac_stop_rx_dma(priv, chan);
|
|
+ stmmac_stop_rx_dma(priv, chan);
|
|
-
|
|
|
|
-- /**
|
|
|
|
-- * If the core is synthesized with multiple rx queues / multiple
|
|
|
|
-- * dma channels, then rx queues will be disabled by default.
|
|
|
|
-- * For now only rx queue 0 is enabled.
|
|
|
|
-- */
|
|
|
|
-- priv->hw->mac->rx_queue_enable(priv->hw, queue);
|
|
|
|
|
|
++
|
|
+ for (chan = 0; chan < tx_channels_count; chan++)
|
|
+ for (chan = 0; chan < tx_channels_count; chan++)
|
|
+ stmmac_stop_tx_dma(priv, chan);
|
|
+ stmmac_stop_tx_dma(priv, chan);
|
|
}
|
|
}
|