#define MAX_HEADER (LL_MAX_HEADER + 48)
#endif
+struct net_device_subqueue
+{
+ /* Give a control state for each queue. This struct may contain
+ * per-queue locks in the future.
+ */
+ unsigned long state;
+};
+
/*
* Network device statistics. Akin to the 2.0 ether stats but
* with byte counters.
/*
* We tag multicasts with these structures.
*/
-
-struct dev_mc_list
-{
- struct dev_mc_list *next;
- __u8 dmi_addr[MAX_ADDR_LEN];
- unsigned char dmi_addrlen;
- int dmi_users;
- int dmi_gusers;
-};
+
+#define dev_mc_list dev_addr_list
+#define dmi_addr da_addr
+#define dmi_addrlen da_addrlen
+#define dmi_users da_users
+#define dmi_gusers da_gusers
struct hh_cache
{
#define NETIF_F_VLAN_CHALLENGED 1024 /* Device cannot handle VLAN packets */
#define NETIF_F_GSO 2048 /* Enable software GSO. */
#define NETIF_F_LLTX 4096 /* LockLess TX */
+#define NETIF_F_MULTI_QUEUE 16384 /* Has multiple TX/RX queues */
/* Segmentation offload features */
#define NETIF_F_GSO_SHIFT 16
unsigned char addr_len; /* hardware address length */
unsigned short dev_id; /* for shared network cards */
- struct dev_mc_list *mc_list; /* Multicast mac addresses */
+ struct dev_addr_list *uc_list; /* Secondary unicast mac addresses */
+ int uc_count; /* Number of installed ucasts */
+ int uc_promisc;
+ struct dev_addr_list *mc_list; /* Multicast mac addresses */
int mc_count; /* Number of installed mcasts */
int promiscuity;
int allmulti;
void *saddr,
unsigned len);
int (*rebuild_header)(struct sk_buff *skb);
+#define HAVE_SET_RX_MODE
+ void (*set_rx_mode)(struct net_device *dev);
#define HAVE_MULTICAST
void (*set_multicast_list)(struct net_device *dev);
#define HAVE_SET_MAC_ADDR
/* rtnetlink link ops */
const struct rtnl_link_ops *rtnl_link_ops;
+
+ /* The TX queue control structures */
+ unsigned int egress_subqueue_count;
+ struct net_device_subqueue egress_subqueue[0];
};
#define to_net_dev(d) container_of(d, struct net_device, dev)
static inline void *netdev_priv(const struct net_device *dev)
{
- return (char *)dev + ((sizeof(struct net_device)
- + NETDEV_ALIGN_CONST)
- & ~NETDEV_ALIGN_CONST);
+ return dev->priv;
}
#define SET_MODULE_OWNER(dev) do { } while (0)
return test_bit(__LINK_STATE_START, &dev->state);
}
+/*
+ * Routines to manage the subqueues on a device. We only need start
+ * stop, and a check if it's stopped. All other device management is
+ * done at the overall netdevice level.
+ * Also test the device if we're multiqueue.
+ */
+static inline void netif_start_subqueue(struct net_device *dev, u16 queue_index)
+{
+#ifdef CONFIG_NETDEVICES_MULTIQUEUE
+ clear_bit(__LINK_STATE_XOFF, &dev->egress_subqueue[queue_index].state);
+#endif
+}
+
+static inline void netif_stop_subqueue(struct net_device *dev, u16 queue_index)
+{
+#ifdef CONFIG_NETDEVICES_MULTIQUEUE
+#ifdef CONFIG_NETPOLL_TRAP
+ if (netpoll_trap())
+ return;
+#endif
+ set_bit(__LINK_STATE_XOFF, &dev->egress_subqueue[queue_index].state);
+#endif
+}
+
+static inline int netif_subqueue_stopped(const struct net_device *dev,
+ u16 queue_index)
+{
+#ifdef CONFIG_NETDEVICES_MULTIQUEUE
+ return test_bit(__LINK_STATE_XOFF,
+ &dev->egress_subqueue[queue_index].state);
+#else
+ return 0;
+#endif
+}
+
+static inline void netif_wake_subqueue(struct net_device *dev, u16 queue_index)
+{
+#ifdef CONFIG_NETDEVICES_MULTIQUEUE
+#ifdef CONFIG_NETPOLL_TRAP
+ if (netpoll_trap())
+ return;
+#endif
+ if (test_and_clear_bit(__LINK_STATE_XOFF,
+ &dev->egress_subqueue[queue_index].state))
+ __netif_schedule(dev);
+#endif
+}
+
+static inline int netif_is_multiqueue(const struct net_device *dev)
+{
+#ifdef CONFIG_NETDEVICES_MULTIQUEUE
+ return (!!(NETIF_F_MULTI_QUEUE & dev->features));
+#else
+ return 0;
+#endif
+}
/* Use this variant when it is known for sure that it
* is executing from interrupt context.
extern void ether_setup(struct net_device *dev);
/* Support for loadable net-drivers */
-extern struct net_device *alloc_netdev(int sizeof_priv, const char *name,
- void (*setup)(struct net_device *));
+extern struct net_device *alloc_netdev_mq(int sizeof_priv, const char *name,
+ void (*setup)(struct net_device *),
+ unsigned int queue_count);
+#define alloc_netdev(sizeof_priv, name, setup) \
+ alloc_netdev_mq(sizeof_priv, name, setup, 1)
extern int register_netdev(struct net_device *dev);
extern void unregister_netdev(struct net_device *dev);
-/* Functions used for multicast support */
-extern void dev_mc_upload(struct net_device *dev);
+/* Functions used for secondary unicast and multicast support */
+extern void dev_set_rx_mode(struct net_device *dev);
+extern void __dev_set_rx_mode(struct net_device *dev);
+extern int dev_unicast_delete(struct net_device *dev, void *addr, int alen);
+extern int dev_unicast_add(struct net_device *dev, void *addr, int alen);
extern int dev_mc_delete(struct net_device *dev, void *addr, int alen, int all);
extern int dev_mc_add(struct net_device *dev, void *addr, int alen, int newonly);
extern void dev_mc_discard(struct net_device *dev);
Code Review / linux-3.10.git / blobdiff