1 files changed, 27 insertions, 69 deletions

diff --git a/drivers/net/cxgb3/cxgb3_main.c b/drivers/net/cxgb3/cxgb3_main.c
index 5ab319cfe5d..5db7d4e27ec 100644
--- a/drivers/net/cxgb3/cxgb3_main.c
+++ b/drivers/net/cxgb3/cxgb3_main.c
@@ -339,49 +339,17 @@ static void setup_rss(struct adapter *adap)
                       V_RRCPLCPUSIZE(6), cpus, rspq_map);
 }
 
-/*
- * If we have multiple receive queues per port serviced by NAPI we need one
- * netdevice per queue as NAPI operates on netdevices.  We already have one
- * netdevice, namely the one associated with the interface, so we use dummy
- * ones for any additional queues.  Note that these netdevices exist purely
- * so that NAPI has something to work with, they do not represent network
- * ports and are not registered.
- */
-static int init_dummy_netdevs(struct adapter *adap)
+static void init_napi(struct adapter *adap)
 {
-        int i, j, dummy_idx = 0;
-        struct net_device *nd;
-
-        for_each_port(adap, i) {
-                struct net_device *dev = adap->port[i];
-                const struct port_info *pi = netdev_priv(dev);
-
-                for (j = 0; j < pi->nqsets - 1; j++) {
-                        if (!adap->dummy_netdev[dummy_idx]) {
-                                struct port_info *p;
-
-                                nd = alloc_netdev(sizeof(*p), "", ether_setup);
-                                if (!nd)
-                                        goto free_all;
+        int i;
 
-                                p = netdev_priv(nd);
-                                p->adapter = adap;
-                                nd->weight = 64;
-                                set_bit(__LINK_STATE_START, &nd->state);
-                                adap->dummy_netdev[dummy_idx] = nd;
-                        }
-                        strcpy(adap->dummy_netdev[dummy_idx]->name, dev->name);
-                        dummy_idx++;
-                }
-        }
-        return 0;
+        for (i = 0; i < SGE_QSETS; i++) {
+                struct sge_qset *qs = &adap->sge.qs[i];
 
-free_all:
-        while (--dummy_idx >= 0) {
-                free_netdev(adap->dummy_netdev[dummy_idx]);
-                adap->dummy_netdev[dummy_idx] = NULL;
+                if (qs->adap)
+                        netif_napi_add(qs->netdev, &qs->napi, qs->napi.poll,
+                                       64);
         }
-        return -ENOMEM;
 }
 
 /*
@@ -392,20 +360,18 @@ free_all:
 static void quiesce_rx(struct adapter *adap)
 {
         int i;
-        struct net_device *dev;
 
-        for_each_port(adap, i) {
-                dev = adap->port[i];
-                while (test_bit(__LINK_STATE_RX_SCHED, &dev->state))
-                        msleep(1);
-        }
+        for (i = 0; i < SGE_QSETS; i++)
+                if (adap->sge.qs[i].adap)
+                        napi_disable(&adap->sge.qs[i].napi);
+}
 
-        for (i = 0; i < ARRAY_SIZE(adap->dummy_netdev); i++) {
-                dev = adap->dummy_netdev[i];
-                if (dev)
-                        while (test_bit(__LINK_STATE_RX_SCHED, &dev->state))
-                                msleep(1);
-        }
+static void enable_all_napi(struct adapter *adap)
+{
+        int i;
+        for (i = 0; i < SGE_QSETS; i++)
+                if (adap->sge.qs[i].adap)
+                        napi_enable(&adap->sge.qs[i].napi);
 }
 
 /**
@@ -418,7 +384,7 @@ static void quiesce_rx(struct adapter *adap)
  */
 static int setup_sge_qsets(struct adapter *adap)
 {
-        int i, j, err, irq_idx = 0, qset_idx = 0, dummy_dev_idx = 0;
+        int i, j, err, irq_idx = 0, qset_idx = 0;
         unsigned int ntxq = SGE_TXQ_PER_SET;
 
         if (adap->params.rev > 0 && !(adap->flags & USING_MSI))
@@ -426,15 +392,14 @@ static int setup_sge_qsets(struct adapter *adap)
 
         for_each_port(adap, i) {
                 struct net_device *dev = adap->port[i];
-                const struct port_info *pi = netdev_priv(dev);
+                struct port_info *pi = netdev_priv(dev);
 
+                pi->qs = &adap->sge.qs[pi->first_qset];
                 for (j = 0; j < pi->nqsets; ++j, ++qset_idx) {
                         err = t3_sge_alloc_qset(adap, qset_idx, 1,
                                 (adap->flags & USING_MSIX) ? qset_idx + 1 :
                                                              irq_idx,
-                                &adap->params.sge.qset[qset_idx], ntxq,
-                                j == 0 ? dev :
-                                         adap-> dummy_netdev[dummy_dev_idx++]);
+                                &adap->params.sge.qset[qset_idx], ntxq, dev);
                         if (err) {
                                 t3_free_sge_resources(adap);
                                 return err;
@@ -845,21 +810,18 @@ static int cxgb_up(struct adapter *adap)
                                 goto out;
                 }
 
-                err = init_dummy_netdevs(adap);
-                if (err)
-                        goto out;
-
                 err = t3_init_hw(adap, 0);
                 if (err)
                         goto out;
 
                 t3_write_reg(adap, A_ULPRX_TDDP_PSZ, V_HPZ0(PAGE_SHIFT - 12));
-                
+
                 err = setup_sge_qsets(adap);
                 if (err)
                         goto out;
 
                 setup_rss(adap);
+                init_napi(adap);
                 adap->flags |= FULL_INIT_DONE;
         }
 
@@ -886,6 +848,7 @@ static int cxgb_up(struct adapter *adap)
                                       adap->name, adap)))
                 goto irq_err;
 
+        enable_all_napi(adap);
         t3_sge_start(adap);
         t3_intr_enable(adap);
 
@@ -1012,8 +975,10 @@ static int cxgb_open(struct net_device *dev)
         int other_ports = adapter->open_device_map & PORT_MASK;
         int err;
 
-        if (!adapter->open_device_map && (err = cxgb_up(adapter)) < 0)
+        if (!adapter->open_device_map && (err = cxgb_up(adapter)) < 0) {
+                quiesce_rx(adapter);
                 return err;
+        }
 
         set_bit(pi->port_id, &adapter->open_device_map);
         if (is_offload(adapter) && !ofld_disable) {
@@ -2524,7 +2489,6 @@ static int __devinit init_one(struct pci_dev *pdev,
 #ifdef CONFIG_NET_POLL_CONTROLLER
                 netdev->poll_controller = cxgb_netpoll;
 #endif
-                netdev->weight = 64;
 
                 SET_ETHTOOL_OPS(netdev, &cxgb_ethtool_ops);
         }
@@ -2625,12 +2589,6 @@ static void __devexit remove_one(struct pci_dev *pdev)
                 t3_free_sge_resources(adapter);
                 cxgb_disable_msi(adapter);
 
-                for (i = 0; i < ARRAY_SIZE(adapter->dummy_netdev); i++)
-                        if (adapter->dummy_netdev[i]) {
-                                free_netdev(adapter->dummy_netdev[i]);
-                                adapter->dummy_netdev[i] = NULL;
-                        }
-
                 for_each_port(adapter, i)
                         if (adapter->port[i])
                                 free_netdev(adapter->port[i]);