#define NETDEV_TX_BUSY 1 /* driver tx path was busy*/
#define NETDEV_TX_LOCKED -1 /* driver tx lock was already taken */
+#ifdef __KERNEL__
+
/*
* Compute the worst case header length according to the protocols
* used.
*/
-#if !defined(CONFIG_AX25) && !defined(CONFIG_AX25_MODULE) && !defined(CONFIG_TR)
-#define LL_MAX_HEADER 32
-#else
-#if defined(CONFIG_AX25) || defined(CONFIG_AX25_MODULE)
-#define LL_MAX_HEADER 96
+#if defined(CONFIG_WLAN_80211) || defined(CONFIG_AX25) || defined(CONFIG_AX25_MODULE)
+# if defined(CONFIG_MAC80211_MESH)
+# define LL_MAX_HEADER 128
+# else
+# define LL_MAX_HEADER 96
+# endif
+#elif defined(CONFIG_TR)
+# define LL_MAX_HEADER 48
#else
-#define LL_MAX_HEADER 48
-#endif
+# define LL_MAX_HEADER 32
#endif
#if !defined(CONFIG_NET_IPIP) && !defined(CONFIG_NET_IPIP_MODULE) && \
#define MAX_HEADER (LL_MAX_HEADER + 48)
#endif
+#endif /* __KERNEL__ */
+
struct net_device_subqueue
{
/* Give a control state for each queue. This struct may contain
*
* We could use other alignment values, but we must maintain the
* relationship HH alignment <= LL alignment.
+ *
+ * LL_ALLOCATED_SPACE also takes into account the tailroom the device
+ * may need.
*/
#define LL_RESERVED_SPACE(dev) \
- (((dev)->hard_header_len&~(HH_DATA_MOD - 1)) + HH_DATA_MOD)
+ ((((dev)->hard_header_len+(dev)->needed_headroom)&~(HH_DATA_MOD - 1)) + HH_DATA_MOD)
#define LL_RESERVED_SPACE_EXTRA(dev,extra) \
- ((((dev)->hard_header_len+extra)&~(HH_DATA_MOD - 1)) + HH_DATA_MOD)
+ ((((dev)->hard_header_len+(dev)->needed_headroom+(extra))&~(HH_DATA_MOD - 1)) + HH_DATA_MOD)
+#define LL_ALLOCATED_SPACE(dev) \
+ ((((dev)->hard_header_len+(dev)->needed_headroom+(dev)->needed_tailroom)&~(HH_DATA_MOD - 1)) + HH_DATA_MOD)
struct header_ops {
int (*create) (struct sk_buff *skb, struct net_device *dev,
# define napi_synchronize(n) barrier()
#endif
+struct netdev_queue {
+ spinlock_t lock;
+ struct net_device *dev;
+ struct Qdisc *qdisc;
+ struct sk_buff *gso_skb;
+ struct Qdisc *qdisc_sleeping;
+ struct list_head qdisc_list;
+ struct netdev_queue *next_sched;
+};
+
/*
* The DEVICE structure.
* Actually, this whole structure is a big mistake. It mixes I/O
#define NETIF_F_V6_CSUM (NETIF_F_GEN_CSUM | NETIF_F_IPV6_CSUM)
#define NETIF_F_ALL_CSUM (NETIF_F_V4_CSUM | NETIF_F_V6_CSUM)
- struct net_device *next_sched;
-
/* Interface index. Unique device identifier */
int ifindex;
int iflink;
unsigned short type; /* interface hardware type */
unsigned short hard_header_len; /* hardware hdr length */
+ /* extra head- and tailroom the hardware may need, but not in all cases
+ * can this be guaranteed, especially tailroom. Some cases also use
+ * LL_MAX_HEADER instead to allocate the skb.
+ */
+ unsigned short needed_headroom;
+ unsigned short needed_tailroom;
+
struct net_device *master; /* Pointer to master device of a group,
* which this device is member of.
*/
int uc_promisc;
struct dev_addr_list *mc_list; /* Multicast mac addresses */
int mc_count; /* Number of installed mcasts */
- int promiscuity;
- int allmulti;
+ unsigned int promiscuity;
+ unsigned int allmulti;
/* Protocol specific pointers */
unsigned char broadcast[MAX_ADDR_LEN]; /* hw bcast add */
- /* ingress path synchronizer */
- spinlock_t ingress_lock;
- struct Qdisc *qdisc_ingress;
-
-/*
- * Cache line mostly used on queue transmit path (qdisc)
- */
- /* device queue lock */
- spinlock_t queue_lock ____cacheline_aligned_in_smp;
- struct Qdisc *qdisc;
- struct Qdisc *qdisc_sleeping;
- struct list_head qdisc_list;
+ struct netdev_queue rx_queue;
+ struct netdev_queue tx_queue ____cacheline_aligned_in_smp;
unsigned long tx_queue_len; /* Max frames per queue allowed */
- /* Partially transmitted GSO packet. */
- struct sk_buff *gso_skb;
-
/*
* One part is mostly used on xmit path (device)
*/
struct net *nd_net;
#endif
+ /* mid-layer private */
+ void *ml_priv;
+
/* bridge stuff */
struct net_bridge_port *br_port;
/* macvlan */
struct macvlan_port *macvlan_port;
+ /* GARP */
+ struct garp_port *garp_port;
/* class/net/name entry */
struct device dev;
/* rtnetlink link ops */
const struct rtnl_link_ops *rtnl_link_ops;
+ /* VLAN feature mask */
+ unsigned long vlan_features;
+
/* for setting kernel sock attribute on TCP connection setup */
#define GSO_MAX_SIZE 65536
unsigned int gso_max_size;
extern int dev_alloc_name(struct net_device *dev, const char *name);
extern int dev_open(struct net_device *dev);
extern int dev_close(struct net_device *dev);
+extern void dev_disable_lro(struct net_device *dev);
extern int dev_queue_xmit(struct sk_buff *skb);
extern int register_netdevice(struct net_device *dev);
extern void unregister_netdevice(struct net_device *dev);
*/
struct softnet_data
{
- struct net_device *output_queue;
+ struct netdev_queue *output_queue;
struct sk_buff_head input_pkt_queue;
struct list_head poll_list;
struct sk_buff *completion_queue;
extern int __dev_addr_add(struct dev_addr_list **list, int *count, void *addr, int alen, int newonly);
extern int __dev_addr_sync(struct dev_addr_list **to, int *to_count, struct dev_addr_list **from, int *from_count);
extern void __dev_addr_unsync(struct dev_addr_list **to, int *to_count, struct dev_addr_list **from, int *from_count);
-extern void dev_set_promiscuity(struct net_device *dev, int inc);
-extern void dev_set_allmulti(struct net_device *dev, int inc);
+extern int dev_set_promiscuity(struct net_device *dev, int inc);
+extern int dev_set_allmulti(struct net_device *dev, int inc);
extern void netdev_state_change(struct net_device *dev);
+extern void netdev_bonding_change(struct net_device *dev);
extern void netdev_features_change(struct net_device *dev);
/* Load a device via the kmod */
extern void dev_load(struct net *net, const char *name);
extern void dev_seq_stop(struct seq_file *seq, void *v);
#endif
+extern int netdev_class_create_file(struct class_attribute *class_attr);
+extern void netdev_class_remove_file(struct class_attribute *class_attr);
+
extern void linkwatch_run_queue(void);
extern int netdev_compute_features(unsigned long all, unsigned long one);
projects / deliverable / linux.git / blobdiff