void netdev_set_default_ethtool_ops(struct net_device *dev,
const struct ethtool_ops *ops);
-/* hardware address assignment types */
-#define NET_ADDR_PERM 0 /* address is permanent (default) */
-#define NET_ADDR_RANDOM 1 /* address is generated randomly */
-#define NET_ADDR_STOLEN 2 /* address is stolen from other device */
-#define NET_ADDR_SET 3 /* address is set using
- * dev_set_mac_address() */
-
/* Backlog congestion levels */
#define NET_RX_SUCCESS 0 /* keep 'em coming, baby */
#define NET_RX_DROP 1 /* packet dropped */
__QUEUE_STATE_DRV_XOFF,
__QUEUE_STATE_STACK_XOFF,
__QUEUE_STATE_FROZEN,
-#define QUEUE_STATE_ANY_XOFF ((1 << __QUEUE_STATE_DRV_XOFF) | \
- (1 << __QUEUE_STATE_STACK_XOFF))
-#define QUEUE_STATE_ANY_XOFF_OR_FROZEN (QUEUE_STATE_ANY_XOFF | \
- (1 << __QUEUE_STATE_FROZEN))
};
+
+#define QUEUE_STATE_DRV_XOFF (1 << __QUEUE_STATE_DRV_XOFF)
+#define QUEUE_STATE_STACK_XOFF (1 << __QUEUE_STATE_STACK_XOFF)
+#define QUEUE_STATE_FROZEN (1 << __QUEUE_STATE_FROZEN)
+
+#define QUEUE_STATE_ANY_XOFF (QUEUE_STATE_DRV_XOFF | QUEUE_STATE_STACK_XOFF)
+#define QUEUE_STATE_ANY_XOFF_OR_FROZEN (QUEUE_STATE_ANY_XOFF | \
+ QUEUE_STATE_FROZEN)
+#define QUEUE_STATE_DRV_XOFF_OR_FROZEN (QUEUE_STATE_DRV_XOFF | \
+ QUEUE_STATE_FROZEN)
+
/*
* __QUEUE_STATE_DRV_XOFF is used by drivers to stop the transmit queue. The
* netif_tx_* functions below are used to manipulate this flag. The
#ifdef CONFIG_NET_POLL_CONTROLLER
void (*ndo_poll_controller)(struct net_device *dev);
int (*ndo_netpoll_setup)(struct net_device *dev,
- struct netpoll_info *info,
- gfp_t gfp);
+ struct netpoll_info *info);
void (*ndo_netpoll_cleanup)(struct net_device *dev);
#endif
#ifdef CONFIG_NET_RX_BUSY_POLL
void *priv);
};
+/**
+ * enum net_device_priv_flags - &struct net_device priv_flags
+ *
+ * These are the &struct net_device, they are only set internally
+ * by drivers and used in the kernel. These flags are invisible to
+ * userspace, this means that the order of these flags can change
+ * during any kernel release.
+ *
+ * You should have a pretty good reason to be extending these flags.
+ *
+ * @IFF_802_1Q_VLAN: 802.1Q VLAN device
+ * @IFF_EBRIDGE: Ethernet bridging device
+ * @IFF_SLAVE_INACTIVE: bonding slave not the curr. active
+ * @IFF_MASTER_8023AD: bonding master, 802.3ad
+ * @IFF_MASTER_ALB: bonding master, balance-alb
+ * @IFF_BONDING: bonding master or slave
+ * @IFF_SLAVE_NEEDARP: need ARPs for validation
+ * @IFF_ISATAP: ISATAP interface (RFC4214)
+ * @IFF_MASTER_ARPMON: bonding master, ARP mon in use
+ * @IFF_WAN_HDLC: WAN HDLC device
+ * @IFF_XMIT_DST_RELEASE: dev_hard_start_xmit() is allowed to
+ * release skb->dst
+ * @IFF_DONT_BRIDGE: disallow bridging this ether dev
+ * @IFF_DISABLE_NETPOLL: disable netpoll at run-time
+ * @IFF_MACVLAN_PORT: device used as macvlan port
+ * @IFF_BRIDGE_PORT: device used as bridge port
+ * @IFF_OVS_DATAPATH: device used as Open vSwitch datapath port
+ * @IFF_TX_SKB_SHARING: The interface supports sharing skbs on transmit
+ * @IFF_UNICAST_FLT: Supports unicast filtering
+ * @IFF_TEAM_PORT: device used as team port
+ * @IFF_SUPP_NOFCS: device supports sending custom FCS
+ * @IFF_LIVE_ADDR_CHANGE: device supports hardware address
+ * change when it's running
+ * @IFF_MACVLAN: Macvlan device
+ */
+enum netdev_priv_flags {
+ IFF_802_1Q_VLAN = 1<<0,
+ IFF_EBRIDGE = 1<<1,
+ IFF_SLAVE_INACTIVE = 1<<2,
+ IFF_MASTER_8023AD = 1<<3,
+ IFF_MASTER_ALB = 1<<4,
+ IFF_BONDING = 1<<5,
+ IFF_SLAVE_NEEDARP = 1<<6,
+ IFF_ISATAP = 1<<7,
+ IFF_MASTER_ARPMON = 1<<8,
+ IFF_WAN_HDLC = 1<<9,
+ IFF_XMIT_DST_RELEASE = 1<<10,
+ IFF_DONT_BRIDGE = 1<<11,
+ IFF_DISABLE_NETPOLL = 1<<12,
+ IFF_MACVLAN_PORT = 1<<13,
+ IFF_BRIDGE_PORT = 1<<14,
+ IFF_OVS_DATAPATH = 1<<15,
+ IFF_TX_SKB_SHARING = 1<<16,
+ IFF_UNICAST_FLT = 1<<17,
+ IFF_TEAM_PORT = 1<<18,
+ IFF_SUPP_NOFCS = 1<<19,
+ IFF_LIVE_ADDR_CHANGE = 1<<20,
+ IFF_MACVLAN = 1<<21,
+};
+
+#define IFF_802_1Q_VLAN IFF_802_1Q_VLAN
+#define IFF_EBRIDGE IFF_EBRIDGE
+#define IFF_SLAVE_INACTIVE IFF_SLAVE_INACTIVE
+#define IFF_MASTER_8023AD IFF_MASTER_8023AD
+#define IFF_MASTER_ALB IFF_MASTER_ALB
+#define IFF_BONDING IFF_BONDING
+#define IFF_SLAVE_NEEDARP IFF_SLAVE_NEEDARP
+#define IFF_ISATAP IFF_ISATAP
+#define IFF_MASTER_ARPMON IFF_MASTER_ARPMON
+#define IFF_WAN_HDLC IFF_WAN_HDLC
+#define IFF_XMIT_DST_RELEASE IFF_XMIT_DST_RELEASE
+#define IFF_DONT_BRIDGE IFF_DONT_BRIDGE
+#define IFF_DISABLE_NETPOLL IFF_DISABLE_NETPOLL
+#define IFF_MACVLAN_PORT IFF_MACVLAN_PORT
+#define IFF_BRIDGE_PORT IFF_BRIDGE_PORT
+#define IFF_OVS_DATAPATH IFF_OVS_DATAPATH
+#define IFF_TX_SKB_SHARING IFF_TX_SKB_SHARING
+#define IFF_UNICAST_FLT IFF_UNICAST_FLT
+#define IFF_TEAM_PORT IFF_TEAM_PORT
+#define IFF_SUPP_NOFCS IFF_SUPP_NOFCS
+#define IFF_LIVE_ADDR_CHANGE IFF_LIVE_ADDR_CHANGE
+#define IFF_MACVLAN IFF_MACVLAN
+
/*
* The DEVICE structure.
* Actually, this whole structure is a big mistake. It mixes I/O
int iflink;
struct net_device_stats stats;
- atomic_long_t rx_dropped; /* dropped packets by core network
- * Do not use this in drivers.
- */
+
+ /* dropped packets by core network, Do not use this in drivers */
+ atomic_long_t rx_dropped;
+ atomic_long_t tx_dropped;
+
+ /* Stats to monitor carrier on<->off transitions */
+ atomic_t carrier_changes;
#ifdef CONFIG_WIRELESS_EXT
/* List of functions to handle Wireless Extensions (instead of ioctl).
* that share the same link
* layer address
*/
+ unsigned short dev_port; /* Used to differentiate
+ * devices that share the same
+ * function
+ */
spinlock_t addr_list_lock;
struct netdev_hw_addr_list uc; /* Unicast mac addresses */
struct netdev_hw_addr_list mc; /* Multicast mac addresses */
/*
* Cache lines mostly used on receive path (including eth_type_trans())
*/
- unsigned long last_rx; /* Time of last Rx
- * This should not be set in
- * drivers, unless really needed,
- * because network stack (bonding)
- * use it if/when necessary, to
- * avoid dirtying this cache line.
- */
+ unsigned long last_rx; /* Time of last Rx */
/* Interface address info used in eth_type_trans() */
unsigned char *dev_addr; /* hw address, (before bcast
struct u64_stats_sync syncp;
};
+#define netdev_alloc_pcpu_stats(type) \
+({ \
+ typeof(type) __percpu *pcpu_stats = alloc_percpu(type); \
+ if (pcpu_stats) { \
+ int i; \
+ for_each_possible_cpu(i) { \
+ typeof(type) *stat; \
+ stat = per_cpu_ptr(pcpu_stats, i); \
+ u64_stats_init(&stat->syncp); \
+ } \
+ } \
+ pcpu_stats; \
+})
+
#include <linux/notifier.h>
/* netdevice notifier chain. Please remember to update the rtnetlink
struct net_device *dev_get_by_index_rcu(struct net *net, int ifindex);
int netdev_get_name(struct net *net, char *name, int ifindex);
int dev_restart(struct net_device *dev);
-#ifdef CONFIG_NETPOLL_TRAP
-int netpoll_trap(void);
-#endif
int skb_gro_receive(struct sk_buff **head, struct sk_buff *skb);
static inline unsigned int skb_gro_offset(const struct sk_buff *skb)
return skb->data + offset;
}
-static inline void *skb_gro_mac_header(struct sk_buff *skb)
-{
- return NAPI_GRO_CB(skb)->frag0 ?: skb_mac_header(skb);
-}
-
static inline void *skb_gro_network_header(struct sk_buff *skb)
{
return (NAPI_GRO_CB(skb)->frag0 ?: skb->data) +
static inline void netif_tx_wake_queue(struct netdev_queue *dev_queue)
{
-#ifdef CONFIG_NETPOLL_TRAP
- if (netpoll_trap()) {
- netif_tx_start_queue(dev_queue);
- return;
- }
-#endif
if (test_and_clear_bit(__QUEUE_STATE_DRV_XOFF, &dev_queue->state))
__netif_schedule(dev_queue->qdisc);
}
return dev_queue->state & QUEUE_STATE_ANY_XOFF;
}
-static inline bool netif_xmit_frozen_or_stopped(const struct netdev_queue *dev_queue)
+static inline bool
+netif_xmit_frozen_or_stopped(const struct netdev_queue *dev_queue)
{
return dev_queue->state & QUEUE_STATE_ANY_XOFF_OR_FROZEN;
}
+static inline bool
+netif_xmit_frozen_or_drv_stopped(const struct netdev_queue *dev_queue)
+{
+ return dev_queue->state & QUEUE_STATE_DRV_XOFF_OR_FROZEN;
+}
+
static inline void netdev_tx_sent_queue(struct netdev_queue *dev_queue,
unsigned int bytes)
{
static inline void netif_stop_subqueue(struct net_device *dev, u16 queue_index)
{
struct netdev_queue *txq = netdev_get_tx_queue(dev, queue_index);
-#ifdef CONFIG_NETPOLL_TRAP
- if (netpoll_trap())
- return;
-#endif
netif_tx_stop_queue(txq);
}
static inline void netif_wake_subqueue(struct net_device *dev, u16 queue_index)
{
struct netdev_queue *txq = netdev_get_tx_queue(dev, queue_index);
-#ifdef CONFIG_NETPOLL_TRAP
- if (netpoll_trap())
- return;
-#endif
if (test_and_clear_bit(__QUEUE_STATE_DRV_XOFF, &txq->state))
__netif_schedule(txq->qdisc);
}
int dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev,
struct netdev_queue *txq);
int dev_forward_skb(struct net_device *dev, struct sk_buff *skb);
+bool is_skb_forwardable(struct net_device *dev, struct sk_buff *skb);
extern int netdev_budget;
} \
}
+#define HARD_TX_TRYLOCK(dev, txq) \
+ (((dev->features & NETIF_F_LLTX) == 0) ? \
+ __netif_tx_trylock(txq) : \
+ true )
+
#define HARD_TX_UNLOCK(dev, txq) { \
if ((dev->features & NETIF_F_LLTX) == 0) { \
__netif_tx_unlock(txq); \
projects / cascardo / linux.git / blobdiff