Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6

[linux-2.6-omap-h63xx.git] / drivers / net / igb / igb_main.c

diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index e11043d90dbdeee4e001e2aa16fe0b568632fdb5..8b80fe3434352ce1835cb3097c68a9b32f1fe78a 100644 (file)
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -203,10 +203,11 @@ static int __init igb_init_module(void)
 
        global_quad_port_a = 0;
 
-       ret = pci_register_driver(&igb_driver);
 #ifdef CONFIG_IGB_DCA
        dca_register_notify(&dca_notifier);
 #endif
+
+       ret = pci_register_driver(&igb_driver);
        return ret;
 }
 
@@ -1153,11 +1154,10 @@ static int __devinit igb_probe(struct pci_dev *pdev,
 
        /* set flags */
        switch (hw->mac.type) {
-       case e1000_82576:
        case e1000_82575:
-               adapter->flags |= IGB_FLAG_HAS_DCA;
                adapter->flags |= IGB_FLAG_NEED_CTX_IDX;
                break;
+       case e1000_82576:
        default:
                break;
        }
@@ -1306,8 +1306,7 @@ static int __devinit igb_probe(struct pci_dev *pdev,
                goto err_register;
 
 #ifdef CONFIG_IGB_DCA
-       if ((adapter->flags & IGB_FLAG_HAS_DCA) &&
-           (dca_add_requester(&pdev->dev) == 0)) {
+       if (dca_add_requester(&pdev->dev) == 0) {
                adapter->flags |= IGB_FLAG_DCA_ENABLED;
                dev_info(&pdev->dev, "DCA enabled\n");
                /* Always use CB2 mode, difference is masked
@@ -1819,11 +1818,11 @@ static void igb_setup_rctl(struct igb_adapter *adapter)
        rctl |= E1000_RCTL_SECRC;
 
        /*
-        * disable store bad packets, long packet enable, and clear size bits.
+        * disable store bad packets and clear size bits.
         */
-       rctl &= ~(E1000_RCTL_SBP | E1000_RCTL_LPE | E1000_RCTL_SZ_256);
+       rctl &= ~(E1000_RCTL_SBP | E1000_RCTL_SZ_256);
 
-       if (adapter->netdev->mtu > ETH_DATA_LEN)
+       /* enable LPE when to prevent packets larger than max_frame_size */
                rctl |= E1000_RCTL_LPE;
 
        /* Setup buffer sizes */
@@ -1849,7 +1848,7 @@ static void igb_setup_rctl(struct igb_adapter *adapter)
         */
        /* allocations using alloc_page take too long for regular MTU
         * so only enable packet split for jumbo frames */
-       if (rctl & E1000_RCTL_LPE) {
+       if (adapter->netdev->mtu > ETH_DATA_LEN) {
                adapter->rx_ps_hdr_size = IGB_RXBUFFER_128;
                srrctl |= adapter->rx_ps_hdr_size <<
                         E1000_SRRCTL_BSIZEHDRSIZE_SHIFT;
@@ -2749,12 +2748,12 @@ static inline bool igb_tx_csum_adv(struct igb_adapter *adapter,
 
                if (skb->ip_summed == CHECKSUM_PARTIAL) {
                        switch (skb->protocol) {
-                       case __constant_htons(ETH_P_IP):
+                       case cpu_to_be16(ETH_P_IP):
                                tu_cmd |= E1000_ADVTXD_TUCMD_IPV4;
                                if (ip_hdr(skb)->protocol == IPPROTO_TCP)
                                        tu_cmd |= E1000_ADVTXD_TUCMD_L4T_TCP;
                                break;
-                       case __constant_htons(ETH_P_IPV6):
+                       case cpu_to_be16(ETH_P_IPV6):
                                /* XXX what about other V6 headers?? */
                                if (ipv6_hdr(skb)->nexthdr == IPPROTO_TCP)
                                        tu_cmd |= E1000_ADVTXD_TUCMD_L4T_TCP;
@@ -3442,19 +3441,16 @@ static int __igb_notify_dca(struct device *dev, void *data)
        struct e1000_hw *hw = &adapter->hw;
        unsigned long event = *(unsigned long *)data;
 
-       if (!(adapter->flags & IGB_FLAG_HAS_DCA))
-               goto out;
-
        switch (event) {
        case DCA_PROVIDER_ADD:
                /* if already enabled, don't do it again */
                if (adapter->flags & IGB_FLAG_DCA_ENABLED)
                        break;
-               adapter->flags |= IGB_FLAG_DCA_ENABLED;
                /* Always use CB2 mode, difference is masked
                 * in the CB driver. */
                wr32(E1000_DCA_CTRL, 2);
                if (dca_add_requester(dev) == 0) {
+                       adapter->flags |= IGB_FLAG_DCA_ENABLED;
                        dev_info(&adapter->pdev->dev, "DCA enabled\n");
                        igb_setup_dca(adapter);
                        break;
@@ -3471,7 +3467,7 @@ static int __igb_notify_dca(struct device *dev, void *data)
                }
                break;
        }
-out:
+
        return 0;
 }
 
@@ -3751,6 +3747,7 @@ static void igb_receive_skb(struct igb_ring *ring, u8 status,
        struct igb_adapter * adapter = ring->adapter;
        bool vlan_extracted = (adapter->vlgrp && (status & E1000_RXD_STAT_VP));
 
+       skb_record_rx_queue(skb, ring->queue_index);
        if (skb->ip_summed == CHECKSUM_UNNECESSARY) {
                if (vlan_extracted)
                        vlan_gro_receive(&ring->napi, adapter->vlgrp,