]> nv-tegra.nvidia Code Review - linux-2.6.git/blobdiff - drivers/net/ixgbe/ixgbe_main.c
ixgbe: Bump driver version number
[linux-2.6.git] / drivers / net / ixgbe / ixgbe_main.c
index 59ad9590e700c23b79a7a512c0818302408ae06a..c19818303629a04ba8c6144053ba9caf71d7aebd 100644 (file)
@@ -49,7 +49,7 @@ char ixgbe_driver_name[] = "ixgbe";
 static const char ixgbe_driver_string[] =
                               "Intel(R) 10 Gigabit PCI Express Network Driver";
 
-#define DRV_VERSION "2.0.37-k2"
+#define DRV_VERSION "2.0.44-k2"
 const char ixgbe_driver_version[] = DRV_VERSION;
 static char ixgbe_copyright[] = "Copyright (c) 1999-2009 Intel Corporation.";
 
@@ -926,12 +926,12 @@ static void ixgbe_configure_msix(struct ixgbe_adapter *adapter)
                                              r_idx + 1);
                }
 
-               /* if this is a tx only vector halve the interrupt rate */
                if (q_vector->txr_count && !q_vector->rxr_count)
-                       q_vector->eitr = (adapter->eitr_param >> 1);
+                       /* tx only */
+                       q_vector->eitr = adapter->tx_eitr_param;
                else if (q_vector->rxr_count)
-                       /* rx only */
-                       q_vector->eitr = adapter->eitr_param;
+                       /* rx or mixed */
+                       q_vector->eitr = adapter->rx_eitr_param;
 
                ixgbe_write_eitr(q_vector);
        }
@@ -1359,7 +1359,7 @@ static int ixgbe_clean_rxonly(struct napi_struct *napi, int budget)
        /* If all Rx work done, exit the polling mode */
        if (work_done < budget) {
                napi_complete(napi);
-               if (adapter->itr_setting & 1)
+               if (adapter->rx_itr_setting & 1)
                        ixgbe_set_itr_msix(q_vector);
                if (!test_bit(__IXGBE_DOWN, &adapter->state))
                        ixgbe_irq_enable_queues(adapter,
@@ -1420,7 +1420,7 @@ static int ixgbe_clean_rxtx_many(struct napi_struct *napi, int budget)
        /* If all Rx work done, exit the polling mode */
        if (work_done < budget) {
                napi_complete(napi);
-               if (adapter->itr_setting & 1)
+               if (adapter->rx_itr_setting & 1)
                        ixgbe_set_itr_msix(q_vector);
                if (!test_bit(__IXGBE_DOWN, &adapter->state))
                        ixgbe_irq_enable_queues(adapter,
@@ -1458,10 +1458,10 @@ static int ixgbe_clean_txonly(struct napi_struct *napi, int budget)
        if (!ixgbe_clean_tx_irq(q_vector, tx_ring))
                work_done = budget;
 
-       /* If all Rx work done, exit the polling mode */
+       /* If all Tx work done, exit the polling mode */
        if (work_done < budget) {
                napi_complete(napi);
-               if (adapter->itr_setting & 1)
+               if (adapter->tx_itr_setting & 1)
                        ixgbe_set_itr_msix(q_vector);
                if (!test_bit(__IXGBE_DOWN, &adapter->state))
                        ixgbe_irq_enable_queues(adapter, ((u64)1 << q_vector->v_idx));
@@ -1848,7 +1848,7 @@ static void ixgbe_configure_msi_and_legacy(struct ixgbe_adapter *adapter)
        struct ixgbe_hw *hw = &adapter->hw;
 
        IXGBE_WRITE_REG(hw, IXGBE_EITR(0),
-                       EITR_INTS_PER_SEC_TO_REG(adapter->eitr_param));
+                       EITR_INTS_PER_SEC_TO_REG(adapter->rx_eitr_param));
 
        ixgbe_set_ivar(adapter, 0, 0, 0);
        ixgbe_set_ivar(adapter, 1, 0, 0);
@@ -1885,12 +1885,29 @@ static void ixgbe_configure_tx(struct ixgbe_adapter *adapter)
                IXGBE_WRITE_REG(hw, IXGBE_TDT(j), 0);
                adapter->tx_ring[i].head = IXGBE_TDH(j);
                adapter->tx_ring[i].tail = IXGBE_TDT(j);
-               /* Disable Tx Head Writeback RO bit, since this hoses
+               /*
+                * Disable Tx Head Writeback RO bit, since this hoses
                 * bookkeeping if things aren't delivered in order.
                 */
-               txctrl = IXGBE_READ_REG(hw, IXGBE_DCA_TXCTRL(j));
+               switch (hw->mac.type) {
+               case ixgbe_mac_82598EB:
+                       txctrl = IXGBE_READ_REG(hw, IXGBE_DCA_TXCTRL(j));
+                       break;
+               case ixgbe_mac_82599EB:
+               default:
+                       txctrl = IXGBE_READ_REG(hw, IXGBE_DCA_TXCTRL_82599(j));
+                       break;
+               }
                txctrl &= ~IXGBE_DCA_TXCTRL_TX_WB_RO_EN;
-               IXGBE_WRITE_REG(hw, IXGBE_DCA_TXCTRL(j), txctrl);
+               switch (hw->mac.type) {
+               case ixgbe_mac_82598EB:
+                       IXGBE_WRITE_REG(hw, IXGBE_DCA_TXCTRL(j), txctrl);
+                       break;
+               case ixgbe_mac_82599EB:
+               default:
+                       IXGBE_WRITE_REG(hw, IXGBE_DCA_TXCTRL_82599(j), txctrl);
+                       break;
+               }
        }
        if (hw->mac.type == ixgbe_mac_82599EB) {
                /* We enable 8 traffic classes, DCB only */
@@ -1969,6 +1986,50 @@ static u32 ixgbe_setup_mrqc(struct ixgbe_adapter *adapter)
        return mrqc;
 }
 
+/**
+ * ixgbe_configure_rscctl - enable RSC for the indicated ring
+ * @adapter:    address of board private structure
+ * @index:      index of ring to set
+ * @rx_buf_len: rx buffer length
+ **/
+static void ixgbe_configure_rscctl(struct ixgbe_adapter *adapter, int index,
+                                   int rx_buf_len)
+{
+       struct ixgbe_ring *rx_ring;
+       struct ixgbe_hw *hw = &adapter->hw;
+       int j;
+       u32 rscctrl;
+
+       rx_ring = &adapter->rx_ring[index];
+       j = rx_ring->reg_idx;
+       rscctrl = IXGBE_READ_REG(hw, IXGBE_RSCCTL(j));
+       rscctrl |= IXGBE_RSCCTL_RSCEN;
+       /*
+        * we must limit the number of descriptors so that the
+        * total size of max desc * buf_len is not greater
+        * than 65535
+        */
+       if (rx_ring->flags & IXGBE_RING_RX_PS_ENABLED) {
+#if (MAX_SKB_FRAGS > 16)
+               rscctrl |= IXGBE_RSCCTL_MAXDESC_16;
+#elif (MAX_SKB_FRAGS > 8)
+               rscctrl |= IXGBE_RSCCTL_MAXDESC_8;
+#elif (MAX_SKB_FRAGS > 4)
+               rscctrl |= IXGBE_RSCCTL_MAXDESC_4;
+#else
+               rscctrl |= IXGBE_RSCCTL_MAXDESC_1;
+#endif
+       } else {
+               if (rx_buf_len < IXGBE_RXBUFFER_4096)
+                       rscctrl |= IXGBE_RSCCTL_MAXDESC_16;
+               else if (rx_buf_len < IXGBE_RXBUFFER_8192)
+                       rscctrl |= IXGBE_RSCCTL_MAXDESC_8;
+               else
+                       rscctrl |= IXGBE_RSCCTL_MAXDESC_4;
+       }
+       IXGBE_WRITE_REG(hw, IXGBE_RSCCTL(j), rscctrl);
+}
+
 /**
  * ixgbe_configure_rx - Configure 8259x Receive Unit after Reset
  * @adapter: board private structure
@@ -1990,7 +2051,6 @@ static void ixgbe_configure_rx(struct ixgbe_adapter *adapter)
        u32 fctrl, hlreg0;
        u32 reta = 0, mrqc = 0;
        u32 rdrxctl;
-       u32 rscctrl;
        int rx_buf_len;
 
        /* Decide whether to use packet split mode or not */
@@ -2148,36 +2208,9 @@ static void ixgbe_configure_rx(struct ixgbe_adapter *adapter)
 
        if (adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED) {
                /* Enable 82599 HW-RSC */
-               for (i = 0; i < adapter->num_rx_queues; i++) {
-                       rx_ring = &adapter->rx_ring[i];
-                       j = rx_ring->reg_idx;
-                       rscctrl = IXGBE_READ_REG(hw, IXGBE_RSCCTL(j));
-                       rscctrl |= IXGBE_RSCCTL_RSCEN;
-                       /*
-                        * we must limit the number of descriptors so that the
-                        * total size of max desc * buf_len is not greater
-                        * than 65535
-                        */
-                       if (rx_ring->flags & IXGBE_RING_RX_PS_ENABLED) {
-#if (MAX_SKB_FRAGS > 16)
-                               rscctrl |= IXGBE_RSCCTL_MAXDESC_16;
-#elif (MAX_SKB_FRAGS > 8)
-                               rscctrl |= IXGBE_RSCCTL_MAXDESC_8;
-#elif (MAX_SKB_FRAGS > 4)
-                               rscctrl |= IXGBE_RSCCTL_MAXDESC_4;
-#else
-                               rscctrl |= IXGBE_RSCCTL_MAXDESC_1;
-#endif
-                       } else {
-                               if (rx_buf_len < IXGBE_RXBUFFER_4096)
-                                       rscctrl |= IXGBE_RSCCTL_MAXDESC_16;
-                               else if (rx_buf_len < IXGBE_RXBUFFER_8192)
-                                       rscctrl |= IXGBE_RSCCTL_MAXDESC_8;
-                               else
-                                       rscctrl |= IXGBE_RSCCTL_MAXDESC_4;
-                       }
-                       IXGBE_WRITE_REG(hw, IXGBE_RSCCTL(j), rscctrl);
-               }
+               for (i = 0; i < adapter->num_rx_queues; i++)
+                       ixgbe_configure_rscctl(adapter, i, rx_buf_len);
+
                /* Disable RSC for ACK packets */
                IXGBE_WRITE_REG(hw, IXGBE_RSCDBU,
                   (IXGBE_RSCDBU_RSCACKDIS | IXGBE_READ_REG(hw, IXGBE_RSCDBU)));
@@ -2926,6 +2959,8 @@ void ixgbe_down(struct ixgbe_adapter *adapter)
 
        ixgbe_napi_disable_all(adapter);
 
+       clear_bit(__IXGBE_SFP_MODULE_NOT_FOUND, &adapter->state);
+       del_timer_sync(&adapter->sfp_timer);
        del_timer_sync(&adapter->watchdog_timer);
        cancel_work_sync(&adapter->watchdog_task);
 
@@ -2989,7 +3024,7 @@ static int ixgbe_poll(struct napi_struct *napi, int budget)
        /* If budget not fully consumed, exit the polling mode */
        if (work_done < budget) {
                napi_complete(napi);
-               if (adapter->itr_setting & 1)
+               if (adapter->rx_itr_setting & 1)
                        ixgbe_set_itr(adapter);
                if (!test_bit(__IXGBE_DOWN, &adapter->state))
                        ixgbe_irq_enable_queues(adapter, IXGBE_EIMS_RTX_QUEUE);
@@ -3599,7 +3634,10 @@ static int ixgbe_alloc_q_vectors(struct ixgbe_adapter *adapter)
                if (!q_vector)
                        goto err_out;
                q_vector->adapter = adapter;
-               q_vector->eitr = adapter->eitr_param;
+               if (q_vector->txr_count && !q_vector->rxr_count)
+                       q_vector->eitr = adapter->tx_eitr_param;
+               else
+                       q_vector->eitr = adapter->rx_eitr_param;
                q_vector->v_idx = q_idx;
                netif_napi_add(adapter->netdev, &q_vector->napi, (*poll), 64);
                adapter->q_vector[q_idx] = q_vector;
@@ -3868,8 +3906,10 @@ static int __devinit ixgbe_sw_init(struct ixgbe_adapter *adapter)
        hw->fc.disable_fc_autoneg = false;
 
        /* enable itr by default in dynamic mode */
-       adapter->itr_setting = 1;
-       adapter->eitr_param = 20000;
+       adapter->rx_itr_setting = 1;
+       adapter->rx_eitr_param = 20000;
+       adapter->tx_itr_setting = 1;
+       adapter->tx_eitr_param = 10000;
 
        /* set defaults for eitr in MegaBytes */
        adapter->eitr_low = 10;