4
#define DESC_NCOOKIES(entry_size) \
5
((entry_size) - sizeof(struct vio_net_desc))
7
/* length of time before we decide the hardware is borked,
8
* and dev->tx_timeout() should be called to fix the problem
10
#define VNET_TX_TIMEOUT (5 * HZ)
12
#define VNET_TX_RING_SIZE 512
13
#define VNET_TX_WAKEUP_THRESH(dr) ((dr)->pending / 4)
15
/* VNET packets are sent in buffers with the first 6 bytes skipped
16
* so that after the ethernet header the IPv4/IPv6 headers are aligned
19
#define VNET_PACKET_SKIP 6
21
struct vnet_tx_entry {
23
unsigned int ncookies;
24
struct ldc_trans_cookie cookies[2];
29
struct vio_driver_state vio;
31
struct hlist_node hash;
38
struct vnet_tx_entry tx_bufs[VNET_TX_RING_SIZE];
40
struct list_head list;
43
static inline struct vnet_port *to_vnet_port(struct vio_driver_state *vio)
45
return container_of(vio, struct vnet_port, vio);
48
#define VNET_PORT_HASH_SIZE 16
49
#define VNET_PORT_HASH_MASK (VNET_PORT_HASH_SIZE - 1)
51
static inline unsigned int vnet_hashfn(u8 *mac)
53
unsigned int val = mac[4] ^ mac[5];
55
return val & (VNET_PORT_HASH_MASK);
58
struct vnet_mcast_entry {
62
struct vnet_mcast_entry *next;
66
/* Protects port_list and port_hash. */
69
struct net_device *dev;
73
struct list_head port_list;
75
struct hlist_head port_hash[VNET_PORT_HASH_SIZE];
77
struct vnet_mcast_entry *mcast_list;
79
struct list_head list;
83
#endif /* _SUNVNET_H */