X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=drivers%2Fstaging%2Fet131x%2Fet131x_isr.c;h=8b6e0b7ec5688a9e4a2527e49c965962d50c358d;hb=bd03d0d5bc253533a6d169a82f56626d552d9471;hp=2943178a7a3653de2c572e81d3572fbf2e0f87ff;hpb=15700039b108fccc36507bcabdd4dda93f7c4c61;p=safe%2Fjmp%2Flinux-2.6

diff --git a/drivers/staging/et131x/et131x_isr.c b/drivers/staging/et131x/et131x_isr.c
index 2943178..8b6e0b7 100644
--- a/drivers/staging/et131x/et131x_isr.c
+++ b/drivers/staging/et131x/et131x_isr.c
@@ -85,11 +85,27 @@
 #include <linux/ioport.h>
 
 #include "et1310_phy.h"
-#include "et1310_pm.h"
-#include "et1310_jagcore.h"
-#include "et1310_mac.h"
-
 #include "et131x_adapter.h"
+#include "et131x.h"
+
+/*
+ * For interrupts, normal running is:
+ *       rxdma_xfr_done, phy_interrupt, mac_stat_interrupt,
+ *       watchdog_interrupt & txdma_xfer_done
+ *
+ * In both cases, when flow control is enabled for either Tx or bi-direction,
+ * we additional enable rx_fbr0_low and rx_fbr1_low, so we know when the
+ * buffer rings are running low.
+ */
+#define INT_MASK_DISABLE            0xffffffff
+
+/* NOTE: Masking out MAC_STAT Interrupt for now...
+ * #define INT_MASK_ENABLE             0xfff6bf17
+ * #define INT_MASK_ENABLE_NO_FLOW     0xfff6bfd7
+ */
+#define INT_MASK_ENABLE             0xfffebf17
+#define INT_MASK_ENABLE_NO_FLOW     0xfffebfd7
+
 
 /**
  *	et131x_enable_interrupts	-	enable interrupt
@@ -109,9 +125,6 @@ void et131x_enable_interrupts(struct et131x_adapter *adapter)
 	else
 		mask = INT_MASK_ENABLE_NO_FLOW;
 
-	if (adapter->DriverNoPhyAccess)
-		mask |= ET_INTR_PHY;
-
 	adapter->CachedMaskValue = mask;
 	writel(mask, &adapter->regs->global.int_mask);
 }
@@ -182,15 +195,15 @@ irqreturn_t et131x_isr(int irq, void *dev_id)
 	/* This is our interrupt, so process accordingly */
 
 	if (status & ET_INTR_WATCHDOG) {
-		PMP_TCB pMpTcb = adapter->TxRing.CurrSendHead;
+		struct tcb *tcb = adapter->tx_ring.send_head;
 
-		if (pMpTcb)
-			if (++pMpTcb->PacketStaleCount > 1)
+		if (tcb)
+			if (++tcb->stale > 1)
 				status |= ET_INTR_TXDMA_ISR;
 
-		if (adapter->RxRing.UnfinishedReceives)
+		if (adapter->rx_ring.UnfinishedReceives)
 			status |= ET_INTR_RXDMA_XFR_DONE;
-		else if (pMpTcb == NULL)
+		else if (tcb == NULL)
 			writel(0, &adapter->regs->global.watchdog_timer);
 
 		status &= ~ET_INTR_WATCHDOG;
@@ -255,14 +268,14 @@ void et131x_isr_handler(struct work_struct *work)
 	if (status) {
 		/* Handle the TXDMA Error interrupt */
 		if (status & ET_INTR_TXDMA_ERR) {
-			TXDMA_ERROR_t TxDmaErr;
+			u32 txdma_err;
 
 			/* Following read also clears the register (COR) */
-			TxDmaErr.value = readl(&iomem->txdma.TxDmaError.value);
+			txdma_err = readl(&iomem->txdma.TxDmaError);
 
 			dev_warn(&etdev->pdev->dev,
 				    "TXDMA_ERR interrupt, error = %d\n",
-				    TxDmaErr.value);
+				    txdma_err);
 		}
 
 		/* Handle Free Buffer Ring 0 and 1 Low interrupt */
@@ -290,17 +303,12 @@ void et131x_isr_handler(struct work_struct *work)
 				u32 pm_csr;
 
 				/* Tell the device to send a pause packet via
-				 * the back pressure register
+				 * the back pressure register (bp req  and
+				 * bp xon/xoff)
 				 */
 				pm_csr = readl(&iomem->global.pm_csr);
-				if ((pm_csr & ET_PM_PHY_SW_COMA) == 0) {
-					TXMAC_BP_CTRL_t bp_ctrl = { 0 };
-
-					bp_ctrl.bits.bp_req = 1;
-					bp_ctrl.bits.bp_xonxoff = 1;
-					writel(bp_ctrl.value,
-					       &iomem->txmac.bp_ctrl.value);
-				}
+				if ((pm_csr & ET_PM_PHY_SW_COMA) == 0)
+					writel(3, &iomem->txmac.bp_ctrl);
 			}
 		}
 
@@ -340,11 +348,9 @@ void et131x_isr_handler(struct work_struct *work)
 			 */
 			/* TRAP();*/
 
-			etdev->TxMacTest.value =
-				readl(&iomem->txmac.tx_test.value);
 			dev_warn(&etdev->pdev->dev,
 				    "RxDMA_ERR interrupt, error %x\n",
-				    etdev->TxMacTest.value);
+				    readl(&iomem->txmac.tx_test));
 		}
 
 		/* Handle the Wake on LAN Event */
@@ -400,8 +406,7 @@ void et131x_isr_handler(struct work_struct *work)
 
 		/* Let's move on to the TxMac */
 		if (status & ET_INTR_TXMAC) {
-			etdev->TxRing.TxMacErr.value =
-				readl(&iomem->txmac.err.value);
+			u32 err = readl(&iomem->txmac.err);
 
 			/*
 			 * When any of the errors occur and TXMAC generates
@@ -415,7 +420,7 @@ void et131x_isr_handler(struct work_struct *work)
 			 */
 			dev_warn(&etdev->pdev->dev,
 				    "TXMAC interrupt, error 0x%08x\n",
-				    etdev->TxRing.TxMacErr.value);
+				    err);
 
 			/* If we are debugging, we want to see this error,
 			 * otherwise we just want the device to be reset and
@@ -436,12 +441,12 @@ void et131x_isr_handler(struct work_struct *work)
 
 			dev_warn(&etdev->pdev->dev,
 			  "RXMAC interrupt, error 0x%08x.  Requesting reset\n",
-				    readl(&iomem->rxmac.err_reg.value));
+				    readl(&iomem->rxmac.err_reg));
 
 			dev_warn(&etdev->pdev->dev,
 				    "Enable 0x%08x, Diag 0x%08x\n",
-				    readl(&iomem->rxmac.ctrl.value),
-				    readl(&iomem->rxmac.rxq_diag.value));
+				    readl(&iomem->rxmac.ctrl),
+				    readl(&iomem->rxmac.rxq_diag));
 
 			/*
 			 * If we are debugging, we want to see this error,