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@@ -97,10 +97,10 @@
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static void et131x_update_tcb_list(struct et131x_adapter *etdev);
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static void et131x_check_send_wait_list(struct et131x_adapter *etdev);
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static inline void et131x_free_send_packet(struct et131x_adapter *etdev,
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- PMP_TCB pMpTcb);
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+ struct tcb *tcb);
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static int et131x_send_packet(struct sk_buff *skb,
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struct et131x_adapter *etdev);
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-static int nic_send_packet(struct et131x_adapter *etdev, PMP_TCB pMpTcb);
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+static int nic_send_packet(struct et131x_adapter *etdev, struct tcb *tcb);
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/**
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* et131x_tx_dma_memory_alloc
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@@ -117,12 +117,12 @@ static int nic_send_packet(struct et131x_adapter *etdev, PMP_TCB pMpTcb);
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int et131x_tx_dma_memory_alloc(struct et131x_adapter *adapter)
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{
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int desc_size = 0;
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- TX_RING_t *tx_ring = &adapter->TxRing;
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+ struct tx_ring *tx_ring = &adapter->tx_ring;
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/* Allocate memory for the TCB's (Transmit Control Block) */
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- adapter->TxRing.MpTcbMem = (MP_TCB *)kcalloc(NUM_TCB, sizeof(MP_TCB),
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- GFP_ATOMIC | GFP_DMA);
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- if (!adapter->TxRing.MpTcbMem) {
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+ adapter->tx_ring.MpTcbMem = (struct tcb *)
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+ kcalloc(NUM_TCB, sizeof(struct tcb), GFP_ATOMIC | GFP_DMA);
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+ if (!adapter->tx_ring.MpTcbMem) {
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dev_err(&adapter->pdev->dev, "Cannot alloc memory for TCBs\n");
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return -ENOMEM;
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}
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@@ -130,11 +130,11 @@ int et131x_tx_dma_memory_alloc(struct et131x_adapter *adapter)
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/* Allocate enough memory for the Tx descriptor ring, and allocate
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* some extra so that the ring can be aligned on a 4k boundary.
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*/
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- desc_size = (sizeof(TX_DESC_ENTRY_t) * NUM_DESC_PER_RING_TX) + 4096 - 1;
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- tx_ring->pTxDescRingVa =
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- (PTX_DESC_ENTRY_t) pci_alloc_consistent(adapter->pdev, desc_size,
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- &tx_ring->pTxDescRingPa);
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- if (!adapter->TxRing.pTxDescRingVa) {
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+ desc_size = (sizeof(struct tx_desc) * NUM_DESC_PER_RING_TX) + 4096 - 1;
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+ tx_ring->tx_desc_ring =
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+ (struct tx_desc *) pci_alloc_consistent(adapter->pdev, desc_size,
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+ &tx_ring->tx_desc_ring_pa);
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+ if (!adapter->tx_ring.tx_desc_ring) {
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dev_err(&adapter->pdev->dev, "Cannot alloc memory for Tx Ring\n");
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return -ENOMEM;
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}
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@@ -146,20 +146,20 @@ int et131x_tx_dma_memory_alloc(struct et131x_adapter *adapter)
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* are ever returned, make sure the high part is retrieved here before
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* storing the adjusted address.
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*/
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- tx_ring->pTxDescRingAdjustedPa = tx_ring->pTxDescRingPa;
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+ tx_ring->pTxDescRingAdjustedPa = tx_ring->tx_desc_ring_pa;
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/* Align Tx Descriptor Ring on a 4k (0x1000) byte boundary */
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et131x_align_allocated_memory(adapter,
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&tx_ring->pTxDescRingAdjustedPa,
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&tx_ring->TxDescOffset, 0x0FFF);
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- tx_ring->pTxDescRingVa += tx_ring->TxDescOffset;
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+ tx_ring->tx_desc_ring += tx_ring->TxDescOffset;
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/* Allocate memory for the Tx status block */
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tx_ring->pTxStatusVa = pci_alloc_consistent(adapter->pdev,
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sizeof(TX_STATUS_BLOCK_t),
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&tx_ring->pTxStatusPa);
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- if (!adapter->TxRing.pTxStatusPa) {
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+ if (!adapter->tx_ring.pTxStatusPa) {
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dev_err(&adapter->pdev->dev,
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"Cannot alloc memory for Tx status block\n");
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return -ENOMEM;
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@@ -169,7 +169,7 @@ int et131x_tx_dma_memory_alloc(struct et131x_adapter *adapter)
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tx_ring->pTxDummyBlkVa = pci_alloc_consistent(adapter->pdev,
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NIC_MIN_PACKET_SIZE,
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&tx_ring->pTxDummyBlkPa);
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- if (!adapter->TxRing.pTxDummyBlkPa) {
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+ if (!adapter->tx_ring.pTxDummyBlkPa) {
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dev_err(&adapter->pdev->dev,
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"Cannot alloc memory for Tx dummy buffer\n");
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return -ENOMEM;
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@@ -188,43 +188,43 @@ void et131x_tx_dma_memory_free(struct et131x_adapter *adapter)
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{
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int desc_size = 0;
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- if (adapter->TxRing.pTxDescRingVa) {
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+ if (adapter->tx_ring.tx_desc_ring) {
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/* Free memory relating to Tx rings here */
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- adapter->TxRing.pTxDescRingVa -= adapter->TxRing.TxDescOffset;
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+ adapter->tx_ring.tx_desc_ring -= adapter->tx_ring.TxDescOffset;
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- desc_size =
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- (sizeof(TX_DESC_ENTRY_t) * NUM_DESC_PER_RING_TX) + 4096 - 1;
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+ desc_size = (sizeof(struct tx_desc) * NUM_DESC_PER_RING_TX)
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+ + 4096 - 1;
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pci_free_consistent(adapter->pdev,
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desc_size,
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- adapter->TxRing.pTxDescRingVa,
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- adapter->TxRing.pTxDescRingPa);
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+ adapter->tx_ring.tx_desc_ring,
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+ adapter->tx_ring.tx_desc_ring_pa);
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- adapter->TxRing.pTxDescRingVa = NULL;
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+ adapter->tx_ring.tx_desc_ring = NULL;
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}
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/* Free memory for the Tx status block */
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- if (adapter->TxRing.pTxStatusVa) {
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+ if (adapter->tx_ring.pTxStatusVa) {
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pci_free_consistent(adapter->pdev,
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sizeof(TX_STATUS_BLOCK_t),
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- adapter->TxRing.pTxStatusVa,
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- adapter->TxRing.pTxStatusPa);
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+ adapter->tx_ring.pTxStatusVa,
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+ adapter->tx_ring.pTxStatusPa);
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- adapter->TxRing.pTxStatusVa = NULL;
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+ adapter->tx_ring.pTxStatusVa = NULL;
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}
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/* Free memory for the dummy buffer */
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- if (adapter->TxRing.pTxDummyBlkVa) {
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+ if (adapter->tx_ring.pTxDummyBlkVa) {
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pci_free_consistent(adapter->pdev,
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NIC_MIN_PACKET_SIZE,
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- adapter->TxRing.pTxDummyBlkVa,
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- adapter->TxRing.pTxDummyBlkPa);
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+ adapter->tx_ring.pTxDummyBlkVa,
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+ adapter->tx_ring.pTxDummyBlkPa);
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- adapter->TxRing.pTxDummyBlkVa = NULL;
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+ adapter->tx_ring.pTxDummyBlkVa = NULL;
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}
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- /* Free the memory for MP_TCB structures */
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- kfree(adapter->TxRing.MpTcbMem);
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+ /* Free the memory for the tcb structures */
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+ kfree(adapter->tx_ring.MpTcbMem);
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}
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/**
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@@ -236,9 +236,9 @@ void ConfigTxDmaRegs(struct et131x_adapter *etdev)
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struct _TXDMA_t __iomem *txdma = &etdev->regs->txdma;
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/* Load the hardware with the start of the transmit descriptor ring. */
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- writel((uint32_t) (etdev->TxRing.pTxDescRingAdjustedPa >> 32),
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+ writel((u32) (etdev->tx_ring.pTxDescRingAdjustedPa >> 32),
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&txdma->pr_base_hi);
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- writel((uint32_t) etdev->TxRing.pTxDescRingAdjustedPa,
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+ writel((u32) etdev->tx_ring.pTxDescRingAdjustedPa,
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&txdma->pr_base_lo);
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/* Initialise the transmit DMA engine */
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@@ -252,12 +252,12 @@ void ConfigTxDmaRegs(struct et131x_adapter *etdev)
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* storing the adjusted address.
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*/
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writel(0, &txdma->dma_wb_base_hi);
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- writel(etdev->TxRing.pTxStatusPa, &txdma->dma_wb_base_lo);
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+ writel(etdev->tx_ring.pTxStatusPa, &txdma->dma_wb_base_lo);
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- memset(etdev->TxRing.pTxStatusVa, 0, sizeof(TX_STATUS_BLOCK_t));
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+ memset(etdev->tx_ring.pTxStatusVa, 0, sizeof(TX_STATUS_BLOCK_t));
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writel(0, &txdma->service_request);
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- etdev->TxRing.txDmaReadyToSend = 0;
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+ etdev->tx_ring.txDmaReadyToSend = 0;
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}
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/**
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@@ -292,39 +292,39 @@ void et131x_tx_dma_enable(struct et131x_adapter *etdev)
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*/
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void et131x_init_send(struct et131x_adapter *adapter)
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{
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- PMP_TCB pMpTcb;
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- uint32_t TcbCount;
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- TX_RING_t *tx_ring;
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+ struct tcb *tcb;
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+ u32 count;
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+ struct tx_ring *tx_ring;
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/* Setup some convenience pointers */
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- tx_ring = &adapter->TxRing;
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- pMpTcb = adapter->TxRing.MpTcbMem;
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+ tx_ring = &adapter->tx_ring;
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+ tcb = adapter->tx_ring.MpTcbMem;
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- tx_ring->TCBReadyQueueHead = pMpTcb;
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+ tx_ring->TCBReadyQueueHead = tcb;
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/* Go through and set up each TCB */
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- for (TcbCount = 0; TcbCount < NUM_TCB; TcbCount++) {
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- memset(pMpTcb, 0, sizeof(MP_TCB));
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+ for (count = 0; count < NUM_TCB; count++) {
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+ memset(tcb, 0, sizeof(struct tcb));
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/* Set the link pointer in HW TCB to the next TCB in the
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* chain. If this is the last TCB in the chain, also set the
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* tail pointer.
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*/
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- if (TcbCount < NUM_TCB - 1) {
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- pMpTcb->Next = pMpTcb + 1;
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+ if (count < NUM_TCB - 1) {
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+ tcb->Next = tcb + 1;
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} else {
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- tx_ring->TCBReadyQueueTail = pMpTcb;
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- pMpTcb->Next = (PMP_TCB) NULL;
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+ tx_ring->TCBReadyQueueTail = tcb;
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+ tcb->Next = NULL;
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}
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- pMpTcb++;
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+ tcb++;
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}
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/* Curr send queue should now be empty */
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- tx_ring->CurrSendHead = (PMP_TCB) NULL;
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- tx_ring->CurrSendTail = (PMP_TCB) NULL;
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+ tx_ring->CurrSendHead = NULL;
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+ tx_ring->CurrSendTail = NULL;
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- INIT_LIST_HEAD(&adapter->TxRing.SendWaitQueue);
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+ INIT_LIST_HEAD(&adapter->tx_ring.SendWaitQueue);
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}
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/**
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@@ -348,7 +348,7 @@ int et131x_send_packets(struct sk_buff *skb, struct net_device *netdev)
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*/
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/* Queue is not empty or TCB is not available */
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- if (!list_empty(&etdev->TxRing.SendWaitQueue) ||
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+ if (!list_empty(&etdev->tx_ring.SendWaitQueue) ||
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MP_TCB_RESOURCES_NOT_AVAILABLE(etdev)) {
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/* NOTE: If there's an error on send, no need to queue the
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* packet under Linux; if we just send an error up to the
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@@ -404,86 +404,85 @@ static int et131x_send_packet(struct sk_buff *skb,
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struct et131x_adapter *etdev)
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{
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int status = 0;
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- PMP_TCB pMpTcb = NULL;
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+ struct tcb *tcb = NULL;
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uint16_t *shbufva;
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unsigned long flags;
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/* All packets must have at least a MAC address and a protocol type */
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- if (skb->len < ETH_HLEN) {
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+ if (skb->len < ETH_HLEN)
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return -EIO;
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- }
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/* Get a TCB for this packet */
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spin_lock_irqsave(&etdev->TCBReadyQLock, flags);
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- pMpTcb = etdev->TxRing.TCBReadyQueueHead;
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+ tcb = etdev->tx_ring.TCBReadyQueueHead;
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- if (pMpTcb == NULL) {
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+ if (tcb == NULL) {
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spin_unlock_irqrestore(&etdev->TCBReadyQLock, flags);
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return -ENOMEM;
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}
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- etdev->TxRing.TCBReadyQueueHead = pMpTcb->Next;
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+ etdev->tx_ring.TCBReadyQueueHead = tcb->Next;
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- if (etdev->TxRing.TCBReadyQueueHead == NULL)
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- etdev->TxRing.TCBReadyQueueTail = NULL;
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+ if (etdev->tx_ring.TCBReadyQueueHead == NULL)
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+ etdev->tx_ring.TCBReadyQueueTail = NULL;
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spin_unlock_irqrestore(&etdev->TCBReadyQLock, flags);
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- pMpTcb->PacketLength = skb->len;
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- pMpTcb->Packet = skb;
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+ tcb->PacketLength = skb->len;
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+ tcb->Packet = skb;
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if ((skb->data != NULL) && ((skb->len - skb->data_len) >= 6)) {
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shbufva = (uint16_t *) skb->data;
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if ((shbufva[0] == 0xffff) &&
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(shbufva[1] == 0xffff) && (shbufva[2] == 0xffff)) {
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- pMpTcb->Flags |= fMP_DEST_BROAD;
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+ tcb->Flags |= fMP_DEST_BROAD;
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} else if ((shbufva[0] & 0x3) == 0x0001) {
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- pMpTcb->Flags |= fMP_DEST_MULTI;
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+ tcb->Flags |= fMP_DEST_MULTI;
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}
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}
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- pMpTcb->Next = NULL;
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+ tcb->Next = NULL;
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/* Call the NIC specific send handler. */
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if (status == 0)
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- status = nic_send_packet(etdev, pMpTcb);
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+ status = nic_send_packet(etdev, tcb);
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if (status != 0) {
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spin_lock_irqsave(&etdev->TCBReadyQLock, flags);
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- if (etdev->TxRing.TCBReadyQueueTail) {
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- etdev->TxRing.TCBReadyQueueTail->Next = pMpTcb;
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+ if (etdev->tx_ring.TCBReadyQueueTail) {
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+ etdev->tx_ring.TCBReadyQueueTail->Next = tcb;
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} else {
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/* Apparently ready Q is empty. */
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- etdev->TxRing.TCBReadyQueueHead = pMpTcb;
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+ etdev->tx_ring.TCBReadyQueueHead = tcb;
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}
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- etdev->TxRing.TCBReadyQueueTail = pMpTcb;
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+ etdev->tx_ring.TCBReadyQueueTail = tcb;
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spin_unlock_irqrestore(&etdev->TCBReadyQLock, flags);
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return status;
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}
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- WARN_ON(etdev->TxRing.nBusySend > NUM_TCB);
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+ WARN_ON(etdev->tx_ring.nBusySend > NUM_TCB);
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return 0;
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}
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/**
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* nic_send_packet - NIC specific send handler for version B silicon.
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* @etdev: pointer to our adapter
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- * @pMpTcb: pointer to MP_TCB
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+ * @tcb: pointer to struct tcb
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*
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* Returns 0 or errno.
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*/
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-static int nic_send_packet(struct et131x_adapter *etdev, PMP_TCB pMpTcb)
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+static int nic_send_packet(struct et131x_adapter *etdev, struct tcb *tcb)
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{
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- uint32_t loopIndex;
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- TX_DESC_ENTRY_t CurDesc[24];
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- uint32_t FragmentNumber = 0;
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- uint32_t thiscopy, remainder;
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- struct sk_buff *pPacket = pMpTcb->Packet;
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- uint32_t FragListCount = skb_shinfo(pPacket)->nr_frags + 1;
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- struct skb_frag_struct *pFragList = &skb_shinfo(pPacket)->frags[0];
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+ u32 i;
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+ struct tx_desc desc[24]; /* 24 x 16 byte */
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+ u32 frag = 0;
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+ u32 thiscopy, remainder;
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+ struct sk_buff *skb = tcb->Packet;
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+ u32 nr_frags = skb_shinfo(skb)->nr_frags + 1;
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+ struct skb_frag_struct *frags = &skb_shinfo(skb)->frags[0];
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unsigned long flags;
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/* Part of the optimizations of this send routine restrict us to
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@@ -494,17 +493,16 @@ static int nic_send_packet(struct et131x_adapter *etdev, PMP_TCB pMpTcb)
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* number of fragments. If needed, we can call this function,
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* although it is less efficient.
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*/
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- if (FragListCount > 23) {
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+ if (nr_frags > 23)
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return -EIO;
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- }
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- memset(CurDesc, 0, sizeof(TX_DESC_ENTRY_t) * (FragListCount + 1));
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+ memset(desc, 0, sizeof(struct tx_desc) * (nr_frags + 1));
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- for (loopIndex = 0; loopIndex < FragListCount; loopIndex++) {
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+ for (i = 0; i < nr_frags; i++) {
|
|
|
/* If there is something in this element, lets get a
|
|
|
* descriptor from the ring and get the necessary data
|
|
|
*/
|
|
|
- if (loopIndex == 0) {
|
|
|
+ if (i == 0) {
|
|
|
/* If the fragments are smaller than a standard MTU,
|
|
|
* then map them to a single descriptor in the Tx
|
|
|
* Desc ring. However, if they're larger, as is
|
|
@@ -514,165 +512,165 @@ static int nic_send_packet(struct et131x_adapter *etdev, PMP_TCB pMpTcb)
|
|
|
* This will work until we determine why the hardware
|
|
|
* doesn't seem to like large fragments.
|
|
|
*/
|
|
|
- if ((pPacket->len - pPacket->data_len) <= 1514) {
|
|
|
- CurDesc[FragmentNumber].DataBufferPtrHigh = 0;
|
|
|
+ if ((skb->len - skb->data_len) <= 1514) {
|
|
|
+ desc[frag].addr_hi = 0;
|
|
|
/* Low 16bits are length, high is vlan and
|
|
|
unused currently so zero */
|
|
|
- CurDesc[FragmentNumber].word2 =
|
|
|
- pPacket->len - pPacket->data_len;
|
|
|
+ desc[frag].len_vlan =
|
|
|
+ skb->len - skb->data_len;
|
|
|
|
|
|
/* NOTE: Here, the dma_addr_t returned from
|
|
|
* pci_map_single() is implicitly cast as a
|
|
|
- * uint32_t. Although dma_addr_t can be
|
|
|
+ * u32. Although dma_addr_t can be
|
|
|
* 64-bit, the address returned by
|
|
|
* pci_map_single() is always 32-bit
|
|
|
* addressable (as defined by the pci/dma
|
|
|
* subsystem)
|
|
|
*/
|
|
|
- CurDesc[FragmentNumber++].DataBufferPtrLow =
|
|
|
+ desc[frag++].addr_lo =
|
|
|
pci_map_single(etdev->pdev,
|
|
|
- pPacket->data,
|
|
|
- pPacket->len -
|
|
|
- pPacket->data_len,
|
|
|
+ skb->data,
|
|
|
+ skb->len -
|
|
|
+ skb->data_len,
|
|
|
PCI_DMA_TODEVICE);
|
|
|
} else {
|
|
|
- CurDesc[FragmentNumber].DataBufferPtrHigh = 0;
|
|
|
- CurDesc[FragmentNumber].word2 =
|
|
|
- (pPacket->len - pPacket->data_len) / 2;
|
|
|
+ desc[frag].addr_hi = 0;
|
|
|
+ desc[frag].len_vlan =
|
|
|
+ (skb->len - skb->data_len) / 2;
|
|
|
|
|
|
/* NOTE: Here, the dma_addr_t returned from
|
|
|
* pci_map_single() is implicitly cast as a
|
|
|
- * uint32_t. Although dma_addr_t can be
|
|
|
+ * u32. Although dma_addr_t can be
|
|
|
* 64-bit, the address returned by
|
|
|
* pci_map_single() is always 32-bit
|
|
|
* addressable (as defined by the pci/dma
|
|
|
* subsystem)
|
|
|
*/
|
|
|
- CurDesc[FragmentNumber++].DataBufferPtrLow =
|
|
|
+ desc[frag++].addr_lo =
|
|
|
pci_map_single(etdev->pdev,
|
|
|
- pPacket->data,
|
|
|
- ((pPacket->len -
|
|
|
- pPacket->data_len) / 2),
|
|
|
+ skb->data,
|
|
|
+ ((skb->len -
|
|
|
+ skb->data_len) / 2),
|
|
|
PCI_DMA_TODEVICE);
|
|
|
- CurDesc[FragmentNumber].DataBufferPtrHigh = 0;
|
|
|
+ desc[frag].addr_hi = 0;
|
|
|
|
|
|
- CurDesc[FragmentNumber].word2 =
|
|
|
- (pPacket->len - pPacket->data_len) / 2;
|
|
|
+ desc[frag].len_vlan =
|
|
|
+ (skb->len - skb->data_len) / 2;
|
|
|
|
|
|
/* NOTE: Here, the dma_addr_t returned from
|
|
|
* pci_map_single() is implicitly cast as a
|
|
|
- * uint32_t. Although dma_addr_t can be
|
|
|
+ * u32. Although dma_addr_t can be
|
|
|
* 64-bit, the address returned by
|
|
|
* pci_map_single() is always 32-bit
|
|
|
* addressable (as defined by the pci/dma
|
|
|
* subsystem)
|
|
|
*/
|
|
|
- CurDesc[FragmentNumber++].DataBufferPtrLow =
|
|
|
+ desc[frag++].addr_lo =
|
|
|
pci_map_single(etdev->pdev,
|
|
|
- pPacket->data +
|
|
|
- ((pPacket->len -
|
|
|
- pPacket->data_len) / 2),
|
|
|
- ((pPacket->len -
|
|
|
- pPacket->data_len) / 2),
|
|
|
+ skb->data +
|
|
|
+ ((skb->len -
|
|
|
+ skb->data_len) / 2),
|
|
|
+ ((skb->len -
|
|
|
+ skb->data_len) / 2),
|
|
|
PCI_DMA_TODEVICE);
|
|
|
}
|
|
|
} else {
|
|
|
- CurDesc[FragmentNumber].DataBufferPtrHigh = 0;
|
|
|
- CurDesc[FragmentNumber].word2 =
|
|
|
- pFragList[loopIndex - 1].size;
|
|
|
+ desc[frag].addr_hi = 0;
|
|
|
+ desc[frag].len_vlan =
|
|
|
+ frags[i - 1].size;
|
|
|
|
|
|
/* NOTE: Here, the dma_addr_t returned from
|
|
|
- * pci_map_page() is implicitly cast as a uint32_t.
|
|
|
+ * pci_map_page() is implicitly cast as a u32.
|
|
|
* Although dma_addr_t can be 64-bit, the address
|
|
|
* returned by pci_map_page() is always 32-bit
|
|
|
* addressable (as defined by the pci/dma subsystem)
|
|
|
*/
|
|
|
- CurDesc[FragmentNumber++].DataBufferPtrLow =
|
|
|
+ desc[frag++].addr_lo =
|
|
|
pci_map_page(etdev->pdev,
|
|
|
- pFragList[loopIndex - 1].page,
|
|
|
- pFragList[loopIndex - 1].page_offset,
|
|
|
- pFragList[loopIndex - 1].size,
|
|
|
+ frags[i - 1].page,
|
|
|
+ frags[i - 1].page_offset,
|
|
|
+ frags[i - 1].size,
|
|
|
PCI_DMA_TODEVICE);
|
|
|
}
|
|
|
}
|
|
|
|
|
|
- if (FragmentNumber == 0)
|
|
|
+ if (frag == 0)
|
|
|
return -EIO;
|
|
|
|
|
|
if (etdev->linkspeed == TRUEPHY_SPEED_1000MBPS) {
|
|
|
- if (++etdev->TxRing.TxPacketsSinceLastinterrupt ==
|
|
|
+ if (++etdev->tx_ring.TxPacketsSinceLastinterrupt ==
|
|
|
PARM_TX_NUM_BUFS_DEF) {
|
|
|
/* Last element & Interrupt flag */
|
|
|
- CurDesc[FragmentNumber - 1].word3 = 0x5;
|
|
|
- etdev->TxRing.TxPacketsSinceLastinterrupt = 0;
|
|
|
+ desc[frag - 1].flags = 0x5;
|
|
|
+ etdev->tx_ring.TxPacketsSinceLastinterrupt = 0;
|
|
|
} else { /* Last element */
|
|
|
- CurDesc[FragmentNumber - 1].word3 = 0x1;
|
|
|
+ desc[frag - 1].flags = 0x1;
|
|
|
}
|
|
|
} else {
|
|
|
- CurDesc[FragmentNumber - 1].word3 = 0x5;
|
|
|
+ desc[frag - 1].flags = 0x5;
|
|
|
}
|
|
|
- CurDesc[0].word3 |= 2; /* First element flag */
|
|
|
+ desc[0].flags |= 2; /* First element flag */
|
|
|
|
|
|
- pMpTcb->WrIndexStart = etdev->TxRing.txDmaReadyToSend;
|
|
|
- pMpTcb->PacketStaleCount = 0;
|
|
|
+ tcb->WrIndexStart = etdev->tx_ring.txDmaReadyToSend;
|
|
|
+ tcb->PacketStaleCount = 0;
|
|
|
|
|
|
spin_lock_irqsave(&etdev->SendHWLock, flags);
|
|
|
|
|
|
thiscopy = NUM_DESC_PER_RING_TX -
|
|
|
- INDEX10(etdev->TxRing.txDmaReadyToSend);
|
|
|
+ INDEX10(etdev->tx_ring.txDmaReadyToSend);
|
|
|
|
|
|
- if (thiscopy >= FragmentNumber) {
|
|
|
+ if (thiscopy >= frag) {
|
|
|
remainder = 0;
|
|
|
- thiscopy = FragmentNumber;
|
|
|
+ thiscopy = frag;
|
|
|
} else {
|
|
|
- remainder = FragmentNumber - thiscopy;
|
|
|
+ remainder = frag - thiscopy;
|
|
|
}
|
|
|
|
|
|
- memcpy(etdev->TxRing.pTxDescRingVa +
|
|
|
- INDEX10(etdev->TxRing.txDmaReadyToSend), CurDesc,
|
|
|
- sizeof(TX_DESC_ENTRY_t) * thiscopy);
|
|
|
+ memcpy(etdev->tx_ring.tx_desc_ring +
|
|
|
+ INDEX10(etdev->tx_ring.txDmaReadyToSend), desc,
|
|
|
+ sizeof(struct tx_desc) * thiscopy);
|
|
|
|
|
|
- add_10bit(&etdev->TxRing.txDmaReadyToSend, thiscopy);
|
|
|
+ add_10bit(&etdev->tx_ring.txDmaReadyToSend, thiscopy);
|
|
|
|
|
|
- if (INDEX10(etdev->TxRing.txDmaReadyToSend)== 0 ||
|
|
|
- INDEX10(etdev->TxRing.txDmaReadyToSend) == NUM_DESC_PER_RING_TX) {
|
|
|
- etdev->TxRing.txDmaReadyToSend &= ~ET_DMA10_MASK;
|
|
|
- etdev->TxRing.txDmaReadyToSend ^= ET_DMA10_WRAP;
|
|
|
+ if (INDEX10(etdev->tx_ring.txDmaReadyToSend)== 0 ||
|
|
|
+ INDEX10(etdev->tx_ring.txDmaReadyToSend) == NUM_DESC_PER_RING_TX) {
|
|
|
+ etdev->tx_ring.txDmaReadyToSend &= ~ET_DMA10_MASK;
|
|
|
+ etdev->tx_ring.txDmaReadyToSend ^= ET_DMA10_WRAP;
|
|
|
}
|
|
|
|
|
|
if (remainder) {
|
|
|
- memcpy(etdev->TxRing.pTxDescRingVa,
|
|
|
- CurDesc + thiscopy,
|
|
|
- sizeof(TX_DESC_ENTRY_t) * remainder);
|
|
|
+ memcpy(etdev->tx_ring.tx_desc_ring,
|
|
|
+ desc + thiscopy,
|
|
|
+ sizeof(struct tx_desc) * remainder);
|
|
|
|
|
|
- add_10bit(&etdev->TxRing.txDmaReadyToSend, remainder);
|
|
|
+ add_10bit(&etdev->tx_ring.txDmaReadyToSend, remainder);
|
|
|
}
|
|
|
|
|
|
- if (INDEX10(etdev->TxRing.txDmaReadyToSend) == 0) {
|
|
|
- if (etdev->TxRing.txDmaReadyToSend)
|
|
|
- pMpTcb->WrIndex = NUM_DESC_PER_RING_TX - 1;
|
|
|
+ if (INDEX10(etdev->tx_ring.txDmaReadyToSend) == 0) {
|
|
|
+ if (etdev->tx_ring.txDmaReadyToSend)
|
|
|
+ tcb->WrIndex = NUM_DESC_PER_RING_TX - 1;
|
|
|
else
|
|
|
- pMpTcb->WrIndex= ET_DMA10_WRAP | (NUM_DESC_PER_RING_TX - 1);
|
|
|
+ tcb->WrIndex= ET_DMA10_WRAP | (NUM_DESC_PER_RING_TX - 1);
|
|
|
} else
|
|
|
- pMpTcb->WrIndex = etdev->TxRing.txDmaReadyToSend - 1;
|
|
|
+ tcb->WrIndex = etdev->tx_ring.txDmaReadyToSend - 1;
|
|
|
|
|
|
spin_lock(&etdev->TCBSendQLock);
|
|
|
|
|
|
- if (etdev->TxRing.CurrSendTail)
|
|
|
- etdev->TxRing.CurrSendTail->Next = pMpTcb;
|
|
|
+ if (etdev->tx_ring.CurrSendTail)
|
|
|
+ etdev->tx_ring.CurrSendTail->Next = tcb;
|
|
|
else
|
|
|
- etdev->TxRing.CurrSendHead = pMpTcb;
|
|
|
+ etdev->tx_ring.CurrSendHead = tcb;
|
|
|
|
|
|
- etdev->TxRing.CurrSendTail = pMpTcb;
|
|
|
+ etdev->tx_ring.CurrSendTail = tcb;
|
|
|
|
|
|
- WARN_ON(pMpTcb->Next != NULL);
|
|
|
+ WARN_ON(tcb->Next != NULL);
|
|
|
|
|
|
- etdev->TxRing.nBusySend++;
|
|
|
+ etdev->tx_ring.nBusySend++;
|
|
|
|
|
|
spin_unlock(&etdev->TCBSendQLock);
|
|
|
|
|
|
/* Write the new write pointer back to the device. */
|
|
|
- writel(etdev->TxRing.txDmaReadyToSend,
|
|
|
+ writel(etdev->tx_ring.txDmaReadyToSend,
|
|
|
&etdev->regs->txdma.service_request);
|
|
|
|
|
|
/* For Gig only, we use Tx Interrupt coalescing. Enable the software
|
|
@@ -689,72 +687,72 @@ static int nic_send_packet(struct et131x_adapter *etdev, PMP_TCB pMpTcb)
|
|
|
|
|
|
|
|
|
/**
|
|
|
- * et131x_free_send_packet - Recycle a MP_TCB, complete the packet if necessary
|
|
|
+ * et131x_free_send_packet - Recycle a struct tcb
|
|
|
* @etdev: pointer to our adapter
|
|
|
- * @pMpTcb: pointer to MP_TCB
|
|
|
+ * @tcb: pointer to struct tcb
|
|
|
*
|
|
|
+ * Complete the packet if necessary
|
|
|
* Assumption - Send spinlock has been acquired
|
|
|
*/
|
|
|
inline void et131x_free_send_packet(struct et131x_adapter *etdev,
|
|
|
- PMP_TCB pMpTcb)
|
|
|
+ struct tcb *tcb)
|
|
|
{
|
|
|
unsigned long flags;
|
|
|
- TX_DESC_ENTRY_t *desc = NULL;
|
|
|
+ struct tx_desc *desc = NULL;
|
|
|
struct net_device_stats *stats = &etdev->net_stats;
|
|
|
|
|
|
- if (pMpTcb->Flags & fMP_DEST_BROAD)
|
|
|
+ if (tcb->Flags & fMP_DEST_BROAD)
|
|
|
atomic_inc(&etdev->Stats.brdcstxmt);
|
|
|
- else if (pMpTcb->Flags & fMP_DEST_MULTI)
|
|
|
+ else if (tcb->Flags & fMP_DEST_MULTI)
|
|
|
atomic_inc(&etdev->Stats.multixmt);
|
|
|
else
|
|
|
atomic_inc(&etdev->Stats.unixmt);
|
|
|
|
|
|
- if (pMpTcb->Packet) {
|
|
|
- stats->tx_bytes += pMpTcb->Packet->len;
|
|
|
+ if (tcb->Packet) {
|
|
|
+ stats->tx_bytes += tcb->Packet->len;
|
|
|
|
|
|
/* Iterate through the TX descriptors on the ring
|
|
|
* corresponding to this packet and umap the fragments
|
|
|
* they point to
|
|
|
*/
|
|
|
do {
|
|
|
- desc =
|
|
|
- (TX_DESC_ENTRY_t *) (etdev->TxRing.pTxDescRingVa +
|
|
|
- INDEX10(pMpTcb->WrIndexStart));
|
|
|
+ desc =(struct tx_desc *) (etdev->tx_ring.tx_desc_ring +
|
|
|
+ INDEX10(tcb->WrIndexStart));
|
|
|
|
|
|
pci_unmap_single(etdev->pdev,
|
|
|
- desc->DataBufferPtrLow,
|
|
|
- desc->word2, PCI_DMA_TODEVICE);
|
|
|
+ desc->addr_lo,
|
|
|
+ desc->len_vlan, PCI_DMA_TODEVICE);
|
|
|
|
|
|
- add_10bit(&pMpTcb->WrIndexStart, 1);
|
|
|
- if (INDEX10(pMpTcb->WrIndexStart) >=
|
|
|
+ add_10bit(&tcb->WrIndexStart, 1);
|
|
|
+ if (INDEX10(tcb->WrIndexStart) >=
|
|
|
NUM_DESC_PER_RING_TX) {
|
|
|
- pMpTcb->WrIndexStart &= ~ET_DMA10_MASK;
|
|
|
- pMpTcb->WrIndexStart ^= ET_DMA10_WRAP;
|
|
|
+ tcb->WrIndexStart &= ~ET_DMA10_MASK;
|
|
|
+ tcb->WrIndexStart ^= ET_DMA10_WRAP;
|
|
|
}
|
|
|
- } while (desc != (etdev->TxRing.pTxDescRingVa +
|
|
|
- INDEX10(pMpTcb->WrIndex)));
|
|
|
+ } while (desc != (etdev->tx_ring.tx_desc_ring +
|
|
|
+ INDEX10(tcb->WrIndex)));
|
|
|
|
|
|
- dev_kfree_skb_any(pMpTcb->Packet);
|
|
|
+ dev_kfree_skb_any(tcb->Packet);
|
|
|
}
|
|
|
|
|
|
- memset(pMpTcb, 0, sizeof(MP_TCB));
|
|
|
+ memset(tcb, 0, sizeof(struct tcb));
|
|
|
|
|
|
/* Add the TCB to the Ready Q */
|
|
|
spin_lock_irqsave(&etdev->TCBReadyQLock, flags);
|
|
|
|
|
|
etdev->Stats.opackets++;
|
|
|
|
|
|
- if (etdev->TxRing.TCBReadyQueueTail) {
|
|
|
- etdev->TxRing.TCBReadyQueueTail->Next = pMpTcb;
|
|
|
+ if (etdev->tx_ring.TCBReadyQueueTail) {
|
|
|
+ etdev->tx_ring.TCBReadyQueueTail->Next = tcb;
|
|
|
} else {
|
|
|
/* Apparently ready Q is empty. */
|
|
|
- etdev->TxRing.TCBReadyQueueHead = pMpTcb;
|
|
|
+ etdev->tx_ring.TCBReadyQueueHead = tcb;
|
|
|
}
|
|
|
|
|
|
- etdev->TxRing.TCBReadyQueueTail = pMpTcb;
|
|
|
+ etdev->tx_ring.TCBReadyQueueTail = tcb;
|
|
|
|
|
|
spin_unlock_irqrestore(&etdev->TCBReadyQLock, flags);
|
|
|
- WARN_ON(etdev->TxRing.nBusySend < 0);
|
|
|
+ WARN_ON(etdev->tx_ring.nBusySend < 0);
|
|
|
}
|
|
|
|
|
|
/**
|
|
@@ -765,52 +763,52 @@ inline void et131x_free_send_packet(struct et131x_adapter *etdev,
|
|
|
*/
|
|
|
void et131x_free_busy_send_packets(struct et131x_adapter *etdev)
|
|
|
{
|
|
|
- PMP_TCB pMpTcb;
|
|
|
+ struct tcb *tcb;
|
|
|
struct list_head *entry;
|
|
|
unsigned long flags;
|
|
|
- uint32_t FreeCounter = 0;
|
|
|
+ u32 freed = 0;
|
|
|
|
|
|
- while (!list_empty(&etdev->TxRing.SendWaitQueue)) {
|
|
|
+ while (!list_empty(&etdev->tx_ring.SendWaitQueue)) {
|
|
|
spin_lock_irqsave(&etdev->SendWaitLock, flags);
|
|
|
|
|
|
- etdev->TxRing.nWaitSend--;
|
|
|
+ etdev->tx_ring.nWaitSend--;
|
|
|
spin_unlock_irqrestore(&etdev->SendWaitLock, flags);
|
|
|
|
|
|
- entry = etdev->TxRing.SendWaitQueue.next;
|
|
|
+ entry = etdev->tx_ring.SendWaitQueue.next;
|
|
|
}
|
|
|
|
|
|
- etdev->TxRing.nWaitSend = 0;
|
|
|
+ etdev->tx_ring.nWaitSend = 0;
|
|
|
|
|
|
/* Any packets being sent? Check the first TCB on the send list */
|
|
|
spin_lock_irqsave(&etdev->TCBSendQLock, flags);
|
|
|
|
|
|
- pMpTcb = etdev->TxRing.CurrSendHead;
|
|
|
+ tcb = etdev->tx_ring.CurrSendHead;
|
|
|
|
|
|
- while ((pMpTcb != NULL) && (FreeCounter < NUM_TCB)) {
|
|
|
- PMP_TCB pNext = pMpTcb->Next;
|
|
|
+ while ((tcb != NULL) && (freed < NUM_TCB)) {
|
|
|
+ struct tcb *pNext = tcb->Next;
|
|
|
|
|
|
- etdev->TxRing.CurrSendHead = pNext;
|
|
|
+ etdev->tx_ring.CurrSendHead = pNext;
|
|
|
|
|
|
if (pNext == NULL)
|
|
|
- etdev->TxRing.CurrSendTail = NULL;
|
|
|
+ etdev->tx_ring.CurrSendTail = NULL;
|
|
|
|
|
|
- etdev->TxRing.nBusySend--;
|
|
|
+ etdev->tx_ring.nBusySend--;
|
|
|
|
|
|
spin_unlock_irqrestore(&etdev->TCBSendQLock, flags);
|
|
|
|
|
|
- FreeCounter++;
|
|
|
- et131x_free_send_packet(etdev, pMpTcb);
|
|
|
+ freed++;
|
|
|
+ et131x_free_send_packet(etdev, tcb);
|
|
|
|
|
|
spin_lock_irqsave(&etdev->TCBSendQLock, flags);
|
|
|
|
|
|
- pMpTcb = etdev->TxRing.CurrSendHead;
|
|
|
+ tcb = etdev->tx_ring.CurrSendHead;
|
|
|
}
|
|
|
|
|
|
- WARN_ON(FreeCounter == NUM_TCB);
|
|
|
+ WARN_ON(freed == NUM_TCB);
|
|
|
|
|
|
spin_unlock_irqrestore(&etdev->TCBSendQLock, flags);
|
|
|
|
|
|
- etdev->TxRing.nBusySend = 0;
|
|
|
+ etdev->tx_ring.nBusySend = 0;
|
|
|
}
|
|
|
|
|
|
/**
|
|
@@ -844,53 +842,53 @@ void et131x_handle_send_interrupt(struct et131x_adapter *etdev)
|
|
|
static void et131x_update_tcb_list(struct et131x_adapter *etdev)
|
|
|
{
|
|
|
unsigned long flags;
|
|
|
- u32 ServiceComplete;
|
|
|
- PMP_TCB pMpTcb;
|
|
|
+ u32 serviced;
|
|
|
+ struct tcb * tcb;
|
|
|
u32 index;
|
|
|
|
|
|
- ServiceComplete = readl(&etdev->regs->txdma.NewServiceComplete);
|
|
|
- index = INDEX10(ServiceComplete);
|
|
|
+ serviced = readl(&etdev->regs->txdma.NewServiceComplete);
|
|
|
+ index = INDEX10(serviced);
|
|
|
|
|
|
/* Has the ring wrapped? Process any descriptors that do not have
|
|
|
* the same "wrap" indicator as the current completion indicator
|
|
|
*/
|
|
|
spin_lock_irqsave(&etdev->TCBSendQLock, flags);
|
|
|
|
|
|
- pMpTcb = etdev->TxRing.CurrSendHead;
|
|
|
+ tcb = etdev->tx_ring.CurrSendHead;
|
|
|
|
|
|
- while (pMpTcb &&
|
|
|
- ((ServiceComplete ^ pMpTcb->WrIndex) & ET_DMA10_WRAP) &&
|
|
|
- index < INDEX10(pMpTcb->WrIndex)) {
|
|
|
- etdev->TxRing.nBusySend--;
|
|
|
- etdev->TxRing.CurrSendHead = pMpTcb->Next;
|
|
|
- if (pMpTcb->Next == NULL)
|
|
|
- etdev->TxRing.CurrSendTail = NULL;
|
|
|
+ while (tcb &&
|
|
|
+ ((serviced ^ tcb->WrIndex) & ET_DMA10_WRAP) &&
|
|
|
+ index < INDEX10(tcb->WrIndex)) {
|
|
|
+ etdev->tx_ring.nBusySend--;
|
|
|
+ etdev->tx_ring.CurrSendHead = tcb->Next;
|
|
|
+ if (tcb->Next == NULL)
|
|
|
+ etdev->tx_ring.CurrSendTail = NULL;
|
|
|
|
|
|
spin_unlock_irqrestore(&etdev->TCBSendQLock, flags);
|
|
|
- et131x_free_send_packet(etdev, pMpTcb);
|
|
|
+ et131x_free_send_packet(etdev, tcb);
|
|
|
spin_lock_irqsave(&etdev->TCBSendQLock, flags);
|
|
|
|
|
|
/* Goto the next packet */
|
|
|
- pMpTcb = etdev->TxRing.CurrSendHead;
|
|
|
+ tcb = etdev->tx_ring.CurrSendHead;
|
|
|
}
|
|
|
- while (pMpTcb &&
|
|
|
- !((ServiceComplete ^ pMpTcb->WrIndex) & ET_DMA10_WRAP)
|
|
|
- && index > (pMpTcb->WrIndex & ET_DMA10_MASK)) {
|
|
|
- etdev->TxRing.nBusySend--;
|
|
|
- etdev->TxRing.CurrSendHead = pMpTcb->Next;
|
|
|
- if (pMpTcb->Next == NULL)
|
|
|
- etdev->TxRing.CurrSendTail = NULL;
|
|
|
+ while (tcb &&
|
|
|
+ !((serviced ^ tcb->WrIndex) & ET_DMA10_WRAP)
|
|
|
+ && index > (tcb->WrIndex & ET_DMA10_MASK)) {
|
|
|
+ etdev->tx_ring.nBusySend--;
|
|
|
+ etdev->tx_ring.CurrSendHead = tcb->Next;
|
|
|
+ if (tcb->Next == NULL)
|
|
|
+ etdev->tx_ring.CurrSendTail = NULL;
|
|
|
|
|
|
spin_unlock_irqrestore(&etdev->TCBSendQLock, flags);
|
|
|
- et131x_free_send_packet(etdev, pMpTcb);
|
|
|
+ et131x_free_send_packet(etdev, tcb);
|
|
|
spin_lock_irqsave(&etdev->TCBSendQLock, flags);
|
|
|
|
|
|
/* Goto the next packet */
|
|
|
- pMpTcb = etdev->TxRing.CurrSendHead;
|
|
|
+ tcb = etdev->tx_ring.CurrSendHead;
|
|
|
}
|
|
|
|
|
|
/* Wake up the queue when we hit a low-water mark */
|
|
|
- if (etdev->TxRing.nBusySend <= (NUM_TCB / 3))
|
|
|
+ if (etdev->tx_ring.nBusySend <= (NUM_TCB / 3))
|
|
|
netif_wake_queue(etdev->netdev);
|
|
|
|
|
|
spin_unlock_irqrestore(&etdev->TCBSendQLock, flags);
|
|
@@ -909,13 +907,13 @@ static void et131x_check_send_wait_list(struct et131x_adapter *etdev)
|
|
|
|
|
|
spin_lock_irqsave(&etdev->SendWaitLock, flags);
|
|
|
|
|
|
- while (!list_empty(&etdev->TxRing.SendWaitQueue) &&
|
|
|
+ while (!list_empty(&etdev->tx_ring.SendWaitQueue) &&
|
|
|
MP_TCB_RESOURCES_AVAILABLE(etdev)) {
|
|
|
struct list_head *entry;
|
|
|
|
|
|
- entry = etdev->TxRing.SendWaitQueue.next;
|
|
|
+ entry = etdev->tx_ring.SendWaitQueue.next;
|
|
|
|
|
|
- etdev->TxRing.nWaitSend--;
|
|
|
+ etdev->tx_ring.nWaitSend--;
|
|
|
}
|
|
|
|
|
|
spin_unlock_irqrestore(&etdev->SendWaitLock, flags);
|