15 files changed, 100 insertions, 82 deletions
diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt
index 81546990f41..ca5cdcd0f0e 100644
--- a/Documentation/networking/ip-sysctl.txt
+++ b/Documentation/networking/ip-sysctl.txt
@@ -1042,7 +1042,7 @@ conf/interface/*:
        The functional behaviour for certain settings is different
        depending on whether local forwarding is enabled or not.
-accept_ra - BOOLEAN
+accept_ra - INTEGER
        Accept Router Advertisements; autoconfigure using them.
        Possible values are:
@@ -1106,7 +1106,7 @@ dad_transmits - INTEGER
        The amount of Duplicate Address Detection probes to send.
        Default: 1
-forwarding - BOOLEAN
+forwarding - INTEGER
        Configure interface-specific Host/Router behaviour.
        Note: It is recommended to have the same setting on all
diff --git a/MAINTAINERS b/MAINTAINERS
index ae8820e173a..ace8f9c81b9 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -6374,7 +6374,6 @@ S:	Supported
 F:      arch/arm/mach-tegra
 TEHUTI ETHERNET DRIVER
-M:      Alexander Indenbaum <baum@tehutinetworks.net>
 M:      Andy Gospodarek <andy@greyhouse.net>
 L:      netdev@vger.kernel.org
 S:      Supported
diff --git a/drivers/net/bonding/bond_3ad.c b/drivers/net/bonding/bond_3ad.c
index a047eb973e3..47b928ed08f 100644
--- a/drivers/net/bonding/bond_3ad.c
+++ b/drivers/net/bonding/bond_3ad.c
@@ -2168,7 +2168,8 @@ void bond_3ad_state_machine_handler(struct work_struct *work)
        }
 re_arm:
-        queue_delayed_work(bond->wq, &bond->ad_work, ad_delta_in_ticks);
+        if (!bond->kill_timers)
+                queue_delayed_work(bond->wq, &bond->ad_work, ad_delta_in_ticks);
 out:
        read_unlock(&bond->lock);
 }
diff --git a/drivers/net/bonding/bond_alb.c b/drivers/net/bonding/bond_alb.c
index 7f8b20a34ee..d4fbd2e6261 100644
--- a/drivers/net/bonding/bond_alb.c
+++ b/drivers/net/bonding/bond_alb.c
@@ -1440,7 +1440,8 @@ void bond_alb_monitor(struct work_struct *work)
        }
 re_arm:
-        queue_delayed_work(bond->wq, &bond->alb_work, alb_delta_in_ticks);
+        if (!bond->kill_timers)
+                queue_delayed_work(bond->wq, &bond->alb_work, alb_delta_in_ticks);
 out:
        read_unlock(&bond->lock);
 }
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 43f2ea54108..6d79b78cfc7 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -777,6 +777,9 @@ static void bond_resend_igmp_join_requests(struct bonding *bond)
        read_lock(&bond->lock);
+        if (bond->kill_timers)
+                goto out;
        /* rejoin all groups on bond device */
        __bond_resend_igmp_join_requests(bond->dev);
@@ -790,9 +793,9 @@ static void bond_resend_igmp_join_requests(struct bonding *bond)
                        __bond_resend_igmp_join_requests(vlan_dev);
        }
-        if (--bond->igmp_retrans > 0)
+        if ((--bond->igmp_retrans > 0) && !bond->kill_timers)
                queue_delayed_work(bond->wq, &bond->mcast_work, HZ/5);
+out:
        read_unlock(&bond->lock);
 }
@@ -2538,7 +2541,7 @@ void bond_mii_monitor(struct work_struct *work)
        }
 re_arm:
-        if (bond->params.miimon)
+        if (bond->params.miimon && !bond->kill_timers)
                queue_delayed_work(bond->wq, &bond->mii_work,
                                   msecs_to_jiffies(bond->params.miimon));
 out:
@@ -2886,7 +2889,7 @@ void bond_loadbalance_arp_mon(struct work_struct *work)
        }
 re_arm:
-        if (bond->params.arp_interval)
+        if (bond->params.arp_interval && !bond->kill_timers)
                queue_delayed_work(bond->wq, &bond->arp_work, delta_in_ticks);
 out:
        read_unlock(&bond->lock);
@@ -3154,7 +3157,7 @@ void bond_activebackup_arp_mon(struct work_struct *work)
        bond_ab_arp_probe(bond);
 re_arm:
-        if (bond->params.arp_interval)
+        if (bond->params.arp_interval && !bond->kill_timers)
                queue_delayed_work(bond->wq, &bond->arp_work, delta_in_ticks);
 out:
        read_unlock(&bond->lock);
diff --git a/drivers/net/cxgb4/cxgb4_main.c b/drivers/net/cxgb4/cxgb4_main.c
index c9957b7f17b..b4efa292fd6 100644
--- a/drivers/net/cxgb4/cxgb4_main.c
+++ b/drivers/net/cxgb4/cxgb4_main.c
@@ -3712,6 +3712,9 @@ static int __devinit init_one(struct pci_dev *pdev,
                setup_debugfs(adapter);
        }
+        /* PCIe EEH recovery on powerpc platforms needs fundamental reset */
+        pdev->needs_freset = 1;
        if (is_offload(adapter))
                attach_ulds(adapter);
diff --git a/drivers/net/ibmveth.c b/drivers/net/ibmveth.c
index 8dd5fccef72..d393f1e764e 100644
--- a/drivers/net/ibmveth.c
+++ b/drivers/net/ibmveth.c
@@ -636,8 +636,8 @@ static int ibmveth_open(struct net_device *netdev)
                netdev_err(netdev, "unable to request irq 0x%x, rc %d\n",
                           netdev->irq, rc);
                do {
-                        rc = h_free_logical_lan(adapter->vdev->unit_address);
+                        lpar_rc = h_free_logical_lan(adapter->vdev->unit_address);
-                } while (H_IS_LONG_BUSY(rc) || (rc == H_BUSY));
+                } while (H_IS_LONG_BUSY(lpar_rc) || (lpar_rc == H_BUSY));
                goto err_out;
        }
diff --git a/drivers/net/pch_gbe/pch_gbe_main.c b/drivers/net/pch_gbe/pch_gbe_main.c
index 567ff10889b..b8b4ba27b0e 100644
--- a/drivers/net/pch_gbe/pch_gbe_main.c
+++ b/drivers/net/pch_gbe/pch_gbe_main.c
@@ -1199,6 +1199,8 @@ static irqreturn_t pch_gbe_intr(int irq, void *data)
                        iowrite32((int_en & ~PCH_GBE_INT_RX_FIFO_ERR),
                                  &hw->reg->INT_EN);
                        pch_gbe_stop_receive(adapter);
+                        int_st |= ioread32(&hw->reg->INT_ST);
+                        int_st = int_st & ioread32(&hw->reg->INT_EN);
                }
        if (int_st & PCH_GBE_INT_RX_DMA_ERR)
                adapter->stats.intr_rx_dma_err_count++;
@@ -1218,14 +1220,11 @@ static irqreturn_t pch_gbe_intr(int irq, void *data)
                        /* Set Pause packet */
                        pch_gbe_mac_set_pause_packet(hw);
                }
-                if ((int_en & (PCH_GBE_INT_RX_DMA_CMPLT | PCH_GBE_INT_TX_CMPLT))
-                    == 0) {
-                        return IRQ_HANDLED;
-                }
        }
        /* When request status is Receive interruption */
-        if ((int_st & (PCH_GBE_INT_RX_DMA_CMPLT | PCH_GBE_INT_TX_CMPLT))) {
+        if ((int_st & (PCH_GBE_INT_RX_DMA_CMPLT | PCH_GBE_INT_TX_CMPLT)) ||
+            (adapter->rx_stop_flag == true)) {
                if (likely(napi_schedule_prep(&adapter->napi))) {
                        /* Enable only Rx Descriptor empty */
                        atomic_inc(&adapter->irq_sem);
@@ -1385,7 +1384,7 @@ pch_gbe_clean_tx(struct pch_gbe_adapter *adapter,
        struct sk_buff *skb;
        unsigned int i;
        unsigned int cleaned_count = 0;
-        bool cleaned = false;
+        bool cleaned = true;
        pr_debug("next_to_clean : %d\n", tx_ring->next_to_clean);
@@ -1396,7 +1395,6 @@ pch_gbe_clean_tx(struct pch_gbe_adapter *adapter,
        while ((tx_desc->gbec_status & DSC_INIT16) == 0x0000) {
                pr_debug("gbec_status:0x%04x\n", tx_desc->gbec_status);
-                cleaned = true;
                buffer_info = &tx_ring->buffer_info[i];
                skb = buffer_info->skb;
@@ -1439,8 +1437,10 @@ pch_gbe_clean_tx(struct pch_gbe_adapter *adapter,
                tx_desc = PCH_GBE_TX_DESC(*tx_ring, i);
                /* weight of a sort for tx, to avoid endless transmit cleanup */
-                if (cleaned_count++ == PCH_GBE_TX_WEIGHT)
+                if (cleaned_count++ == PCH_GBE_TX_WEIGHT) {
+                        cleaned = false;
                        break;
+                }
        }
        pr_debug("called pch_gbe_unmap_and_free_tx_resource() %d count\n",
                 cleaned_count);
@@ -2168,7 +2168,6 @@ static int pch_gbe_napi_poll(struct napi_struct *napi, int budget)
 {
        struct pch_gbe_adapter *adapter =
            container_of(napi, struct pch_gbe_adapter, napi);
-        struct net_device *netdev = adapter->netdev;
        int work_done = 0;
        bool poll_end_flag = false;
        bool cleaned = false;
@@ -2176,33 +2175,32 @@ static int pch_gbe_napi_poll(struct napi_struct *napi, int budget)
        pr_debug("budget : %d\n", budget);
-        /* Keep link state information with original netdev */
+        pch_gbe_clean_rx(adapter, adapter->rx_ring, &work_done, budget);
-        if (!netif_carrier_ok(netdev)) {
+        cleaned = pch_gbe_clean_tx(adapter, adapter->tx_ring);
+        if (!cleaned)
+                work_done = budget;
+        /* If no Tx and not enough Rx work done,
+         * exit the polling mode
+         */
+        if (work_done < budget)
                poll_end_flag = true;
-        } else {
-                pch_gbe_clean_rx(adapter, adapter->rx_ring, &work_done, budget);
+        if (poll_end_flag) {
+                napi_complete(napi);
+                if (adapter->rx_stop_flag) {
+                        adapter->rx_stop_flag = false;
+                        pch_gbe_start_receive(&adapter->hw);
+                }
+                pch_gbe_irq_enable(adapter);
+        } else
                if (adapter->rx_stop_flag) {
                        adapter->rx_stop_flag = false;
                        pch_gbe_start_receive(&adapter->hw);
                        int_en = ioread32(&adapter->hw.reg->INT_EN);
                        iowrite32((int_en | PCH_GBE_INT_RX_FIFO_ERR),
-                                        &adapter->hw.reg->INT_EN);
+                                &adapter->hw.reg->INT_EN);
                }
-                cleaned = pch_gbe_clean_tx(adapter, adapter->tx_ring);
-                if (cleaned)
-                        work_done = budget;
-                /* If no Tx and not enough Rx work done,
-                 * exit the polling mode
-                 */
-                if ((work_done < budget) || !netif_running(netdev))
-                        poll_end_flag = true;
-        }
-        if (poll_end_flag) {
-                napi_complete(napi);
-                pch_gbe_irq_enable(adapter);
-        }
        pr_debug("poll_end_flag : %d  work_done : %d  budget : %d\n",
                 poll_end_flag, work_done, budget);
diff --git a/drivers/net/phy/dp83640.c b/drivers/net/phy/dp83640.c
index cb6e0b486b1..edd7304773e 100644
--- a/drivers/net/phy/dp83640.c
+++ b/drivers/net/phy/dp83640.c
@@ -589,7 +589,7 @@ static void decode_rxts(struct dp83640_private *dp83640,
        prune_rx_ts(dp83640);
        if (list_empty(&dp83640->rxpool)) {
-                pr_warning("dp83640: rx timestamp pool is empty\n");
+                pr_debug("dp83640: rx timestamp pool is empty\n");
                goto out;
        }
        rxts = list_first_entry(&dp83640->rxpool, struct rxts, list);
@@ -612,7 +612,7 @@ static void decode_txts(struct dp83640_private *dp83640,
        skb = skb_dequeue(&dp83640->tx_queue);
        if (!skb) {
-                pr_warning("dp83640: have timestamp but tx_queue empty\n");
+                pr_debug("dp83640: have timestamp but tx_queue empty\n");
                return;
        }
        ns = phy2txts(phy_txts);
diff --git a/drivers/net/xen-netback/interface.c b/drivers/net/xen-netback/interface.c
index 0ca86f9ec4e..182562952c7 100644
--- a/drivers/net/xen-netback/interface.c
+++ b/drivers/net/xen-netback/interface.c
@@ -327,12 +327,12 @@ int xenvif_connect(struct xenvif *vif, unsigned long tx_ring_ref,
        xenvif_get(vif);
        rtnl_lock();
-        if (netif_running(vif->dev))
-                xenvif_up(vif);
        if (!vif->can_sg && vif->dev->mtu > ETH_DATA_LEN)
                dev_set_mtu(vif->dev, ETH_DATA_LEN);
        netdev_update_features(vif->dev);
        netif_carrier_on(vif->dev);
+        if (netif_running(vif->dev))
+                xenvif_up(vif);
        rtnl_unlock();
        return 0;
diff --git a/include/linux/ptp_classify.h b/include/linux/ptp_classify.h
index e07e2742a86..1dc420ba213 100644
--- a/include/linux/ptp_classify.h
+++ b/include/linux/ptp_classify.h
@@ -51,6 +51,7 @@
 #define PTP_CLASS_V2_VLAN (PTP_CLASS_V2 | PTP_CLASS_VLAN)
 #define PTP_EV_PORT 319
+#define PTP_GEN_BIT 0x08 /* indicates general message, if set in message type */
 #define OFF_ETYPE       12
 #define OFF_IHL         14
@@ -116,14 +117,20 @@ static inline int ptp_filter_init(struct sock_filter *f, int len)
        {OP_OR,         0,   0, PTP_CLASS_IPV6          }, /*              */ \
        {OP_RETA,       0,   0, 0                       }, /*              */ \
 /*L3x*/ {OP_RETK,       0,   0, PTP_CLASS_NONE          }, /*              */ \
-/*L40*/ {OP_JEQ,        0,   6, ETH_P_8021Q             }, /* f goto L50   */ \
+/*L40*/ {OP_JEQ,        0,   9, ETH_P_8021Q             }, /* f goto L50   */ \
        {OP_LDH,        0,   0, OFF_ETYPE + 4           }, /*              */ \
-        {OP_JEQ,        0,   9, ETH_P_1588              }, /* f goto L60   */ \
+        {OP_JEQ,        0,  15, ETH_P_1588              }, /* f goto L60   */ \
+        {OP_LDB,        0,   0, ETH_HLEN + VLAN_HLEN    }, /*              */ \
+        {OP_AND,        0,   0, PTP_GEN_BIT             }, /*              */ \
+        {OP_JEQ,        0,  12, 0                       }, /* f goto L6x   */ \
        {OP_LDH,        0,   0, ETH_HLEN + VLAN_HLEN    }, /*              */ \
        {OP_AND,        0,   0, PTP_CLASS_VMASK         }, /*              */ \
        {OP_OR,         0,   0, PTP_CLASS_VLAN          }, /*              */ \
        {OP_RETA,       0,   0, 0                       }, /*              */ \
-/*L50*/ {OP_JEQ,        0,   4, ETH_P_1588              }, /* f goto L61   */ \
+/*L50*/ {OP_JEQ,        0,   7, ETH_P_1588              }, /* f goto L61   */ \
+        {OP_LDB,        0,   0, ETH_HLEN                }, /*              */ \
+        {OP_AND,        0,   0, PTP_GEN_BIT             }, /*              */ \
+        {OP_JEQ,        0,   4, 0                       }, /* f goto L6x   */ \
        {OP_LDH,        0,   0, ETH_HLEN                }, /*              */ \
        {OP_AND,        0,   0, PTP_CLASS_VMASK         }, /*              */ \
        {OP_OR,         0,   0, PTP_CLASS_L2            }, /*              */ \
diff --git a/net/can/bcm.c b/net/can/bcm.c
index d6c8ae5b2e6..c84963d2dee 100644
--- a/net/can/bcm.c
+++ b/net/can/bcm.c
@@ -344,6 +344,18 @@ static void bcm_send_to_user(struct bcm_op *op, struct bcm_msg_head *head,
        }
 }
+static void bcm_tx_start_timer(struct bcm_op *op)
+{
+        if (op->kt_ival1.tv64 && op->count)
+                hrtimer_start(&op->timer,
+                              ktime_add(ktime_get(), op->kt_ival1),
+                              HRTIMER_MODE_ABS);
+        else if (op->kt_ival2.tv64)
+                hrtimer_start(&op->timer,
+                              ktime_add(ktime_get(), op->kt_ival2),
+                              HRTIMER_MODE_ABS);
+}
 static void bcm_tx_timeout_tsklet(unsigned long data)
 {
        struct bcm_op *op = (struct bcm_op *)data;
@@ -365,26 +377,12 @@ static void bcm_tx_timeout_tsklet(unsigned long data)
                        bcm_send_to_user(op, &msg_head, NULL, 0);
                }
-        }
-        if (op->kt_ival1.tv64 && (op->count > 0)) {
-                /* send (next) frame */
                bcm_can_tx(op);
-                hrtimer_start(&op->timer,
-                              ktime_add(ktime_get(), op->kt_ival1),
-                              HRTIMER_MODE_ABS);
-        } else {
+        } else if (op->kt_ival2.tv64)
-                if (op->kt_ival2.tv64) {
+                bcm_can_tx(op);
-                        /* send (next) frame */
+        bcm_tx_start_timer(op);
-                        bcm_can_tx(op);
-                        hrtimer_start(&op->timer,
-                                      ktime_add(ktime_get(), op->kt_ival2),
-                                      HRTIMER_MODE_ABS);
-                }
-        }
 }
 /*
@@ -964,23 +962,20 @@ static int bcm_tx_setup(struct bcm_msg_head *msg_head, struct msghdr *msg,
                        hrtimer_cancel(&op->timer);
        }
-        if ((op->flags & STARTTIMER) &&
+        if (op->flags & STARTTIMER) {
-            ((op->kt_ival1.tv64 && op->count) || op->kt_ival2.tv64)) {
+                hrtimer_cancel(&op->timer);
                /* spec: send can_frame when starting timer */
                op->flags |= TX_ANNOUNCE;
-                if (op->kt_ival1.tv64 && (op->count > 0)) {
-                        /* op->count-- is done in bcm_tx_timeout_handler */
-                        hrtimer_start(&op->timer, op->kt_ival1,
-                                      HRTIMER_MODE_REL);
-                } else
-                        hrtimer_start(&op->timer, op->kt_ival2,
-                                      HRTIMER_MODE_REL);
        }
-        if (op->flags & TX_ANNOUNCE)
+        if (op->flags & TX_ANNOUNCE) {
                bcm_can_tx(op);
+                if (op->count)
+                        op->count--;
+        }
+        if (op->flags & STARTTIMER)
+                bcm_tx_start_timer(op);
        return msg_head->nframes * CFSIZ + MHSIZ;
 }
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 3c9fa618b69..79cc6469508 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -1383,6 +1383,8 @@ static struct sock * tcp_v6_syn_recv_sock(struct sock *sk, struct sk_buff *skb,
                newtp->af_specific = &tcp_sock_ipv6_mapped_specific;
 #endif
+                newnp->ipv6_ac_list = NULL;
+                newnp->ipv6_fl_list = NULL;
                newnp->pktoptions  = NULL;
                newnp->opt         = NULL;
                newnp->mcast_oif   = inet6_iif(skb);
@@ -1447,6 +1449,7 @@ static struct sock * tcp_v6_syn_recv_sock(struct sock *sk, struct sk_buff *skb,
           First: no IPv4 options.
         */
        newinet->inet_opt = NULL;
+        newnp->ipv6_ac_list = NULL;
        newnp->ipv6_fl_list = NULL;
        /* Clone RX bits */
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index c698cec0a44..fabb4fafa28 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -961,7 +961,10 @@ static int packet_rcv(struct sk_buff *skb, struct net_device *dev,
        return 0;
 drop_n_acct:
-        po->stats.tp_drops = atomic_inc_return(&sk->sk_drops);
+        spin_lock(&sk->sk_receive_queue.lock);
+        po->stats.tp_drops++;
+        atomic_inc(&sk->sk_drops);
+        spin_unlock(&sk->sk_receive_queue.lock);
 drop_n_restore:
        if (skb_head != skb->data && skb_shared(skb)) {
diff --git a/net/rds/iw_rdma.c b/net/rds/iw_rdma.c
index 8b77edbab27..4e1de171866 100644
--- a/net/rds/iw_rdma.c
+++ b/net/rds/iw_rdma.c
@@ -84,7 +84,8 @@ static int rds_iw_map_fastreg(struct rds_iw_mr_pool *pool,
 static void rds_iw_free_fastreg(struct rds_iw_mr_pool *pool, struct rds_iw_mr *ibmr);
 static unsigned int rds_iw_unmap_fastreg_list(struct rds_iw_mr_pool *pool,
                        struct list_head *unmap_list,
-                        struct list_head *kill_list);
+                        struct list_head *kill_list,
+                        int *unpinned);
 static void rds_iw_destroy_fastreg(struct rds_iw_mr_pool *pool, struct rds_iw_mr *ibmr);
 static int rds_iw_get_device(struct rds_sock *rs, struct rds_iw_device **rds_iwdev, struct rdma_cm_id **cm_id)
@@ -499,7 +500,7 @@ static int rds_iw_flush_mr_pool(struct rds_iw_mr_pool *pool, int free_all)
        LIST_HEAD(unmap_list);
        LIST_HEAD(kill_list);
        unsigned long flags;
-        unsigned int nfreed = 0, ncleaned = 0, free_goal;
+        unsigned int nfreed = 0, ncleaned = 0, unpinned = 0, free_goal;
        int ret = 0;
        rds_iw_stats_inc(s_iw_rdma_mr_pool_flush);
@@ -524,7 +525,8 @@ static int rds_iw_flush_mr_pool(struct rds_iw_mr_pool *pool, int free_all)
         * will be destroyed by the unmap function.
         */
        if (!list_empty(&unmap_list)) {
-                ncleaned = rds_iw_unmap_fastreg_list(pool, &unmap_list, &kill_list);
+                ncleaned = rds_iw_unmap_fastreg_list(pool, &unmap_list,
+                                                     &kill_list, &unpinned);
                /* If we've been asked to destroy all MRs, move those
                 * that were simply cleaned to the kill list */
                if (free_all)
@@ -548,6 +550,7 @@ static int rds_iw_flush_mr_pool(struct rds_iw_mr_pool *pool, int free_all)
                spin_unlock_irqrestore(&pool->list_lock, flags);
        }
+        atomic_sub(unpinned, &pool->free_pinned);
        atomic_sub(ncleaned, &pool->dirty_count);
        atomic_sub(nfreed, &pool->item_count);
@@ -828,7 +831,8 @@ static void rds_iw_free_fastreg(struct rds_iw_mr_pool *pool,
 static unsigned int rds_iw_unmap_fastreg_list(struct rds_iw_mr_pool *pool,
                                struct list_head *unmap_list,
-                                struct list_head *kill_list)
+                                struct list_head *kill_list,
+                                int *unpinned)
 {
        struct rds_iw_mapping *mapping, *next;
        unsigned int ncleaned = 0;
@@ -855,6 +859,7 @@ static unsigned int rds_iw_unmap_fastreg_list(struct rds_iw_mr_pool *pool,
                spin_lock_irqsave(&pool->list_lock, flags);
                list_for_each_entry_safe(mapping, next, unmap_list, m_list) {
+                        *unpinned += mapping->m_sg.len;
                        list_move(&mapping->m_list, &laundered);
                        ncleaned++;
                }