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Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net

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Conflicts:
	drivers/net/phy/marvell.c

Simple overlapping changes in drivers/net/phy/marvell.c

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller
2014-11-01 14:53:27 -04:00
parent 10738eeaf4 ec1f127602
commit 55b42b5ca2
884 changed files with 18925 additions and 8431 deletions
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74
drivers/net/xen-netback/interface.c
View File

@@ -43,6 +43,9 @@
#define XENVIF_QUEUE_LENGTH 32
#define XENVIF_NAPI_WEIGHT 64
/* Number of bytes allowed on the internal guest Rx queue. */
#define XENVIF_RX_QUEUE_BYTES (XEN_NETIF_RX_RING_SIZE/2 * PAGE_SIZE)
/* This function is used to set SKBTX_DEV_ZEROCOPY as well as
* increasing the inflight counter. We need to increase the inflight
* counter because core driver calls into xenvif_zerocopy_callback
@@ -60,20 +63,11 @@ void xenvif_skb_zerocopy_complete(struct xenvif_queue *queue)
atomic_dec(&queue->inflight_packets);
}
static inline void xenvif_stop_queue(struct xenvif_queue *queue)
{
struct net_device *dev = queue->vif->dev;
if (!queue->vif->can_queue)
return;
netif_tx_stop_queue(netdev_get_tx_queue(dev, queue->id));
}
int xenvif_schedulable(struct xenvif *vif)
{
return netif_running(vif->dev) &&
test_bit(VIF_STATUS_CONNECTED, &vif->status);
test_bit(VIF_STATUS_CONNECTED, &vif->status) &&
!vif->disabled;
}
static irqreturn_t xenvif_tx_interrupt(int irq, void *dev_id)
@@ -114,16 +108,7 @@ int xenvif_poll(struct napi_struct *napi, int budget)
static irqreturn_t xenvif_rx_interrupt(int irq, void *dev_id)
{
struct xenvif_queue *queue = dev_id;
struct netdev_queue *net_queue =
netdev_get_tx_queue(queue->vif->dev, queue->id);
/* QUEUE_STATUS_RX_PURGE_EVENT is only set if either QDisc was off OR
* the carrier went down and this queue was previously blocked
*/
if (unlikely(netif_tx_queue_stopped(net_queue) ||
(!netif_carrier_ok(queue->vif->dev) &&
test_bit(QUEUE_STATUS_RX_STALLED, &queue->status))))
set_bit(QUEUE_STATUS_RX_PURGE_EVENT, &queue->status);
xenvif_kick_thread(queue);
return IRQ_HANDLED;
@@ -151,24 +136,13 @@ void xenvif_wake_queue(struct xenvif_queue *queue)
netif_tx_wake_queue(netdev_get_tx_queue(dev, id));
}
/* Callback to wake the queue's thread and turn the carrier off on timeout */
static void xenvif_rx_stalled(unsigned long data)
{
struct xenvif_queue *queue = (struct xenvif_queue *)data;
if (xenvif_queue_stopped(queue)) {
set_bit(QUEUE_STATUS_RX_PURGE_EVENT, &queue->status);
xenvif_kick_thread(queue);
}
}
static int xenvif_start_xmit(struct sk_buff *skb, struct net_device *dev)
{
struct xenvif *vif = netdev_priv(dev);
struct xenvif_queue *queue = NULL;
unsigned int num_queues = vif->num_queues;
u16 index;
int min_slots_needed;
struct xenvif_rx_cb *cb;
BUG_ON(skb->dev != dev);
@@ -191,30 +165,10 @@ static int xenvif_start_xmit(struct sk_buff *skb, struct net_device *dev)
!xenvif_schedulable(vif))
goto drop;
/* At best we'll need one slot for the header and one for each
* frag.
*/
min_slots_needed = 1 + skb_shinfo(skb)->nr_frags;
cb = XENVIF_RX_CB(skb);
cb->expires = jiffies + rx_drain_timeout_jiffies;
/* If the skb is GSO then we'll also need an extra slot for the
* metadata.
*/
if (skb_is_gso(skb))
min_slots_needed++;
/* If the skb can't possibly fit in the remaining slots
* then turn off the queue to give the ring a chance to
* drain.
*/
if (!xenvif_rx_ring_slots_available(queue, min_slots_needed)) {
queue->rx_stalled.function = xenvif_rx_stalled;
queue->rx_stalled.data = (unsigned long)queue;
xenvif_stop_queue(queue);
mod_timer(&queue->rx_stalled,
jiffies + rx_drain_timeout_jiffies);
}
skb_queue_tail(&queue->rx_queue, skb);
xenvif_rx_queue_tail(queue, skb);
xenvif_kick_thread(queue);
return NETDEV_TX_OK;
@@ -465,6 +419,8 @@ struct xenvif *xenvif_alloc(struct device *parent, domid_t domid,
vif->queues = NULL;
vif->num_queues = 0;
spin_lock_init(&vif->lock);
dev->netdev_ops = &xenvif_netdev_ops;
dev->hw_features = NETIF_F_SG |
NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
@@ -508,6 +464,8 @@ int xenvif_init_queue(struct xenvif_queue *queue)
init_timer(&queue->credit_timeout);
queue->credit_window_start = get_jiffies_64();
queue->rx_queue_max = XENVIF_RX_QUEUE_BYTES;
skb_queue_head_init(&queue->rx_queue);
skb_queue_head_init(&queue->tx_queue);
@@ -539,8 +497,6 @@ int xenvif_init_queue(struct xenvif_queue *queue)
queue->grant_tx_handle[i] = NETBACK_INVALID_HANDLE;
}
init_timer(&queue->rx_stalled);
return 0;
}
@@ -551,7 +507,6 @@ void xenvif_carrier_on(struct xenvif *vif)
dev_set_mtu(vif->dev, ETH_DATA_LEN);
netdev_update_features(vif->dev);
set_bit(VIF_STATUS_CONNECTED, &vif->status);
netif_carrier_on(vif->dev);
if (netif_running(vif->dev))
xenvif_up(vif);
rtnl_unlock();
@@ -611,6 +566,8 @@ int xenvif_connect(struct xenvif_queue *queue, unsigned long tx_ring_ref,
disable_irq(queue->rx_irq);
}
queue->stalled = true;
task = kthread_create(xenvif_kthread_guest_rx,
(void *)queue, "%s-guest-rx", queue->name);
if (IS_ERR(task)) {
@@ -674,7 +631,6 @@ void xenvif_disconnect(struct xenvif *vif)
netif_napi_del(&queue->napi);
if (queue->task) {
del_timer_sync(&queue->rx_stalled);
kthread_stop(queue->task);
queue->task = NULL;
}