diff options
Diffstat (limited to 'drivers/net/ethernet/sun/sunvnet.h')
| -rw-r--r-- | drivers/net/ethernet/sun/sunvnet.h | 24 |
1 files changed, 22 insertions, 2 deletions
diff --git a/drivers/net/ethernet/sun/sunvnet.h b/drivers/net/ethernet/sun/sunvnet.h index d347a5bf24b0..c91104542619 100644 --- a/drivers/net/ethernet/sun/sunvnet.h +++ b/drivers/net/ethernet/sun/sunvnet.h @@ -1,6 +1,8 @@ #ifndef _SUNVNET_H #define _SUNVNET_H +#include <linux/interrupt.h> + #define DESC_NCOOKIES(entry_size) \ ((entry_size) - sizeof(struct vio_net_desc)) @@ -9,6 +11,12 @@ */ #define VNET_TX_TIMEOUT (5 * HZ) +/* length of time (or less) we expect pending descriptors to be marked + * as VIO_DESC_DONE and skbs ready to be freed + */ +#define VNET_CLEAN_TIMEOUT ((HZ/100)+1) + +#define VNET_MAXPACKET (65535ULL + ETH_HLEN + VLAN_HLEN) #define VNET_TX_RING_SIZE 512 #define VNET_TX_WAKEUP_THRESH(dr) ((dr)->pending / 4) @@ -18,10 +26,12 @@ */ #define VNET_PACKET_SKIP 6 +#define VNET_MAXCOOKIES (VNET_MAXPACKET/PAGE_SIZE + 1) + struct vnet_tx_entry { - void *buf; + struct sk_buff *skb; unsigned int ncookies; - struct ldc_trans_cookie cookies[2]; + struct ldc_trans_cookie cookies[VNET_MAXCOOKIES]; }; struct vnet; @@ -38,6 +48,14 @@ struct vnet_port { struct vnet_tx_entry tx_bufs[VNET_TX_RING_SIZE]; struct list_head list; + + u32 stop_rx_idx; + bool stop_rx; + bool start_cons; + + struct timer_list clean_timer; + + u64 rmtu; }; static inline struct vnet_port *to_vnet_port(struct vio_driver_state *vio) @@ -78,6 +96,8 @@ struct vnet { struct list_head list; u64 local_mac; + + struct tasklet_struct vnet_tx_wakeup; }; #endif /* _SUNVNET_H */ |