Merge branch 'master' into next

1 files changed, 65 insertions, 29 deletions

diff --git a/drivers/net/qlge/qlge_main.c b/drivers/net/qlge/qlge_main.c
index 3d1d7b6e55a..91191f761fb 100644
--- a/drivers/net/qlge/qlge_main.c
+++ b/drivers/net/qlge/qlge_main.c
@@ -898,6 +898,7 @@ static void ql_update_lbq(struct ql_adapter *qdev, struct rx_ring *rx_ring)
                                         lbq_desc->index);
                                 lbq_desc->p.lbq_page = alloc_page(GFP_ATOMIC);
                                 if (lbq_desc->p.lbq_page == NULL) {
+                                        rx_ring->lbq_clean_idx = clean_idx;
                                         QPRINTK(qdev, RX_STATUS, ERR,
                                                 "Couldn't get a page.\n");
                                         return;
@@ -907,6 +908,9 @@ static void ql_update_lbq(struct ql_adapter *qdev, struct rx_ring *rx_ring)
                                                    0, PAGE_SIZE,
                                                    PCI_DMA_FROMDEVICE);
                                 if (pci_dma_mapping_error(qdev->pdev, map)) {
+                                        rx_ring->lbq_clean_idx = clean_idx;
+                                        put_page(lbq_desc->p.lbq_page);
+                                        lbq_desc->p.lbq_page = NULL;
                                         QPRINTK(qdev, RX_STATUS, ERR,
                                                 "PCI mapping failed.\n");
                                         return;
@@ -968,6 +972,8 @@ static void ql_update_sbq(struct ql_adapter *qdev, struct rx_ring *rx_ring)
                                 if (pci_dma_mapping_error(qdev->pdev, map)) {
                                         QPRINTK(qdev, IFUP, ERR, "PCI mapping failed.\n");
                                         rx_ring->sbq_clean_idx = clean_idx;
+                                        dev_kfree_skb_any(sbq_desc->p.skb);
+                                        sbq_desc->p.skb = NULL;
                                         return;
                                 }
                                 pci_unmap_addr_set(sbq_desc, mapaddr, map);
@@ -1430,18 +1436,32 @@ static void ql_process_mac_rx_intr(struct ql_adapter *qdev,
         if (ib_mac_rsp->flags2 & IB_MAC_IOCB_RSP_P) {
                 QPRINTK(qdev, RX_STATUS, DEBUG, "Promiscuous Packet.\n");
         }
-        if (ib_mac_rsp->flags1 & (IB_MAC_IOCB_RSP_IE | IB_MAC_IOCB_RSP_TE)) {
-                QPRINTK(qdev, RX_STATUS, ERR,
-                        "Bad checksum for this %s packet.\n",
-                        ((ib_mac_rsp->
-                          flags2 & IB_MAC_IOCB_RSP_T) ? "TCP" : "UDP"));
-                skb->ip_summed = CHECKSUM_NONE;
-        } else if (qdev->rx_csum &&
-                   ((ib_mac_rsp->flags2 & IB_MAC_IOCB_RSP_T) ||
-                    ((ib_mac_rsp->flags2 & IB_MAC_IOCB_RSP_U) &&
-                     !(ib_mac_rsp->flags1 & IB_MAC_IOCB_RSP_NU)))) {
-                QPRINTK(qdev, RX_STATUS, DEBUG, "RX checksum done!\n");
-                skb->ip_summed = CHECKSUM_UNNECESSARY;
+
+        skb->protocol = eth_type_trans(skb, ndev);
+        skb->ip_summed = CHECKSUM_NONE;
+
+        /* If rx checksum is on, and there are no
+         * csum or frame errors.
+         */
+        if (qdev->rx_csum &&
+                !(ib_mac_rsp->flags2 & IB_MAC_IOCB_RSP_ERR_MASK) &&
+                !(ib_mac_rsp->flags1 & IB_MAC_CSUM_ERR_MASK)) {
+                /* TCP frame. */
+                if (ib_mac_rsp->flags2 & IB_MAC_IOCB_RSP_T) {
+                        QPRINTK(qdev, RX_STATUS, DEBUG,
+                                        "TCP checksum done!\n");
+                        skb->ip_summed = CHECKSUM_UNNECESSARY;
+                } else if ((ib_mac_rsp->flags2 & IB_MAC_IOCB_RSP_U) &&
+                                (ib_mac_rsp->flags3 & IB_MAC_IOCB_RSP_V4)) {
+                /* Unfragmented ipv4 UDP frame. */
+                        struct iphdr *iph = (struct iphdr *) skb->data;
+                        if (!(iph->frag_off &
+                                cpu_to_be16(IP_MF|IP_OFFSET))) {
+                                skb->ip_summed = CHECKSUM_UNNECESSARY;
+                                QPRINTK(qdev, RX_STATUS, DEBUG,
+                                                "TCP checksum done!\n");
+                        }
+                }
         }
         qdev->stats.rx_packets++;
         qdev->stats.rx_bytes += skb->len;
@@ -1449,12 +1469,12 @@ static void ql_process_mac_rx_intr(struct ql_adapter *qdev,
         if (qdev->vlgrp && (ib_mac_rsp->flags2 & IB_MAC_IOCB_RSP_V)) {
                 QPRINTK(qdev, RX_STATUS, DEBUG,
                         "Passing a VLAN packet upstream.\n");
-                vlan_hwaccel_rx(skb, qdev->vlgrp,
+                vlan_hwaccel_receive_skb(skb, qdev->vlgrp,
                                 le16_to_cpu(ib_mac_rsp->vlan_id));
         } else {
                 QPRINTK(qdev, RX_STATUS, DEBUG,
                         "Passing a normal packet upstream.\n");
-                netif_rx(skb);
+                netif_receive_skb(skb);
         }
 }
 
@@ -1511,6 +1531,11 @@ void ql_queue_asic_error(struct ql_adapter *qdev)
         netif_stop_queue(qdev->ndev);
         netif_carrier_off(qdev->ndev);
         ql_disable_interrupts(qdev);
+        /* Clear adapter up bit to signal the recovery
+         * process that it shouldn't kill the reset worker
+         * thread
+         */
+        clear_bit(QL_ADAPTER_UP, &qdev->flags);
         queue_delayed_work(qdev->workqueue, &qdev->asic_reset_work, 0);
 }
 
@@ -1916,6 +1941,9 @@ static int qlge_send(struct sk_buff *skb, struct net_device *ndev)
 
         tx_ring = &qdev->tx_ring[tx_ring_idx];
 
+        if (skb_padto(skb, ETH_ZLEN))
+                return NETDEV_TX_OK;
+
         if (unlikely(atomic_read(&tx_ring->tx_count) < 2)) {
                 QPRINTK(qdev, TX_QUEUED, INFO,
                         "%s: shutting down tx queue %d du to lack of resources.\n",
@@ -1927,10 +1955,6 @@ static int qlge_send(struct sk_buff *skb, struct net_device *ndev)
         tx_ring_desc = &tx_ring->q[tx_ring->prod_idx];
         mac_iocb_ptr = tx_ring_desc->queue_entry;
         memset((void *)mac_iocb_ptr, 0, sizeof(mac_iocb_ptr));
-        if (ql_map_send(qdev, mac_iocb_ptr, skb, tx_ring_desc) != NETDEV_TX_OK) {
-                QPRINTK(qdev, TX_QUEUED, ERR, "Could not map the segments.\n");
-                return NETDEV_TX_BUSY;
-        }
 
         mac_iocb_ptr->opcode = OPCODE_OB_MAC_IOCB;
         mac_iocb_ptr->tid = tx_ring_desc->index;
@@ -1956,6 +1980,12 @@ static int qlge_send(struct sk_buff *skb, struct net_device *ndev)
                 ql_hw_csum_setup(skb,
                                  (struct ob_mac_tso_iocb_req *)mac_iocb_ptr);
         }
+        if (ql_map_send(qdev, mac_iocb_ptr, skb, tx_ring_desc) !=
+                        NETDEV_TX_OK) {
+                QPRINTK(qdev, TX_QUEUED, ERR,
+                                "Could not map the segments.\n");
+                return NETDEV_TX_BUSY;
+        }
         QL_DUMP_OB_MAC_IOCB(mac_iocb_ptr);
         tx_ring->prod_idx++;
         if (tx_ring->prod_idx == tx_ring->wq_len)
@@ -2873,8 +2903,8 @@ static int ql_start_rss(struct ql_adapter *qdev)
         /*
          * Fill out the Indirection Table.
          */
-        for (i = 0; i < 32; i++)
-                hash_id[i] = i & 1;
+        for (i = 0; i < 256; i++)
+                hash_id[i] = i & (qdev->rss_ring_count - 1);
 
         /*
          * Random values for the IPv6 and IPv4 Hash Keys.
@@ -2957,9 +2987,9 @@ static int ql_adapter_initialize(struct ql_adapter *qdev)
         mask = value << 16;
         ql_write32(qdev, SYS, mask | value);
 
-        /* Set the default queue. */
-        value = NIC_RCV_CFG_DFQ;
-        mask = NIC_RCV_CFG_DFQ_MASK;
+        /* Set the default queue, and VLAN behavior. */
+        value = NIC_RCV_CFG_DFQ | NIC_RCV_CFG_RV;
+        mask = NIC_RCV_CFG_DFQ_MASK | (NIC_RCV_CFG_RV << 16);
         ql_write32(qdev, NIC_RCV_CFG, (mask | value));
 
         /* Set the MPI interrupt to enabled. */
@@ -3100,7 +3130,11 @@ static int ql_adapter_down(struct ql_adapter *qdev)
         netif_stop_queue(ndev);
         netif_carrier_off(ndev);
 
-        cancel_delayed_work_sync(&qdev->asic_reset_work);
+        /* Don't kill the reset worker thread if we
+         * are in the process of recovery.
+         */
+        if (test_bit(QL_ADAPTER_UP, &qdev->flags))
+                cancel_delayed_work_sync(&qdev->asic_reset_work);
         cancel_delayed_work_sync(&qdev->mpi_reset_work);
         cancel_delayed_work_sync(&qdev->mpi_work);
 
@@ -3132,6 +3166,11 @@ static int ql_adapter_down(struct ql_adapter *qdev)
 
         ql_tx_ring_clean(qdev);
 
+        /* Call netif_napi_del() from common point.
+         */
+        for (i = qdev->rss_ring_first_cq_id; i < qdev->rx_ring_count; i++)
+                netif_napi_del(&qdev->rx_ring[i].napi);
+
         spin_lock(&qdev->hw_lock);
         status = ql_adapter_reset(qdev);
         if (status)
@@ -3501,7 +3540,7 @@ static int qlge_set_mac_address(struct net_device *ndev, void *p)
 static void qlge_tx_timeout(struct net_device *ndev)
 {
         struct ql_adapter *qdev = (struct ql_adapter *)netdev_priv(ndev);
-        queue_delayed_work(qdev->workqueue, &qdev->asic_reset_work, 0);
+        ql_queue_asic_error(qdev);
 }
 
 static void ql_asic_reset_work(struct work_struct *work)
@@ -3836,7 +3875,7 @@ static int qlge_suspend(struct pci_dev *pdev, pm_message_t state)
 {
         struct net_device *ndev = pci_get_drvdata(pdev);
         struct ql_adapter *qdev = netdev_priv(ndev);
-        int err, i;
+        int err;
 
         netif_device_detach(ndev);
 
@@ -3846,9 +3885,6 @@ static int qlge_suspend(struct pci_dev *pdev, pm_message_t state)
                         return err;
         }
 
-        for (i = qdev->rss_ring_first_cq_id; i < qdev->rx_ring_count; i++)
-                netif_napi_del(&qdev->rx_ring[i].napi);
-
         err = pci_save_state(pdev);
         if (err)
                 return err;