diff options
Diffstat (limited to 'drivers/net/xen-netfront.c')
| -rw-r--r-- | drivers/net/xen-netfront.c | 24 |
1 files changed, 14 insertions, 10 deletions
diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c index a869b45d3d37..546de5749824 100644 --- a/drivers/net/xen-netfront.c +++ b/drivers/net/xen-netfront.c @@ -40,6 +40,7 @@ #include <linux/udp.h> #include <linux/moduleparam.h> #include <linux/mm.h> +#include <linux/slab.h> #include <net/ip.h> #include <xen/xen.h> @@ -65,8 +66,8 @@ struct netfront_cb { #define GRANT_INVALID_REF 0 -#define NET_TX_RING_SIZE __RING_SIZE((struct xen_netif_tx_sring *)0, PAGE_SIZE) -#define NET_RX_RING_SIZE __RING_SIZE((struct xen_netif_rx_sring *)0, PAGE_SIZE) +#define NET_TX_RING_SIZE __CONST_RING_SIZE(xen_netif_tx, PAGE_SIZE) +#define NET_RX_RING_SIZE __CONST_RING_SIZE(xen_netif_rx, PAGE_SIZE) #define TX_MAX_TARGET min_t(int, NET_RX_RING_SIZE, 256) struct netfront_info { @@ -134,7 +135,7 @@ static void skb_entry_set_link(union skb_entry *list, unsigned short id) static int skb_entry_is_link(const union skb_entry *list) { BUILD_BUG_ON(sizeof(list->skb) != sizeof(list->link)); - return ((unsigned long)list->skb < PAGE_OFFSET); + return (unsigned long)list->skb < PAGE_OFFSET; } /* @@ -202,8 +203,8 @@ static void rx_refill_timeout(unsigned long data) static int netfront_tx_slot_available(struct netfront_info *np) { - return ((np->tx.req_prod_pvt - np->tx.rsp_cons) < - (TX_MAX_TARGET - MAX_SKB_FRAGS - 2)); + return (np->tx.req_prod_pvt - np->tx.rsp_cons) < + (TX_MAX_TARGET - MAX_SKB_FRAGS - 2); } static void xennet_maybe_wake_tx(struct net_device *dev) @@ -487,7 +488,7 @@ static int xennet_start_xmit(struct sk_buff *skb, struct net_device *dev) if (unlikely(!netif_carrier_ok(dev) || (frags > 1 && !xennet_can_sg(dev)) || - netif_needs_gso(dev, skb))) { + netif_needs_gso(skb, netif_skb_features(skb)))) { spin_unlock_irq(&np->tx_lock); goto drop; } @@ -1394,7 +1395,7 @@ static int setup_netfront(struct xenbus_device *dev, struct netfront_info *info) } /* Common code used when first setting up, and when resuming. */ -static int talk_to_backend(struct xenbus_device *dev, +static int talk_to_netback(struct xenbus_device *dev, struct netfront_info *info) { const char *message; @@ -1544,7 +1545,7 @@ static int xennet_connect(struct net_device *dev) return -ENODEV; } - err = talk_to_backend(np->xbdev, np); + err = talk_to_netback(np->xbdev, np); if (err) return err; @@ -1598,7 +1599,7 @@ static int xennet_connect(struct net_device *dev) /** * Callback received when the backend's state changes. */ -static void backend_changed(struct xenbus_device *dev, +static void netback_changed(struct xenbus_device *dev, enum xenbus_state backend_state) { struct netfront_info *np = dev_get_drvdata(&dev->dev); @@ -1609,6 +1610,8 @@ static void backend_changed(struct xenbus_device *dev, switch (backend_state) { case XenbusStateInitialising: case XenbusStateInitialised: + case XenbusStateReconfiguring: + case XenbusStateReconfigured: case XenbusStateConnected: case XenbusStateUnknown: case XenbusStateClosed: @@ -1620,6 +1623,7 @@ static void backend_changed(struct xenbus_device *dev, if (xennet_connect(netdev) != 0) break; xenbus_switch_state(dev, XenbusStateConnected); + netif_notify_peers(netdev); break; case XenbusStateClosing: @@ -1799,7 +1803,7 @@ static struct xenbus_driver netfront_driver = { .probe = netfront_probe, .remove = __devexit_p(xennet_remove), .resume = netfront_resume, - .otherend_changed = backend_changed, + .otherend_changed = netback_changed, }; static int __init netif_init(void) |