diff options
Diffstat (limited to 'drivers/net/wireless/zd1211rw/zd_usb.h')
| -rw-r--r-- | drivers/net/wireless/zd1211rw/zd_usb.h | 36 |
1 files changed, 29 insertions, 7 deletions
diff --git a/drivers/net/wireless/zd1211rw/zd_usb.h b/drivers/net/wireless/zd1211rw/zd_usb.h index 961a7a12ad6..049f8b91f02 100644 --- a/drivers/net/wireless/zd1211rw/zd_usb.h +++ b/drivers/net/wireless/zd1211rw/zd_usb.h @@ -1,4 +1,7 @@ -/* zd_usb.h: Header for USB interface implemented by ZD1211 chip +/* ZD1211 USB-WLAN driver for Linux + * + * Copyright (C) 2005-2007 Ulrich Kunitz <kune@deine-taler.de> + * Copyright (C) 2006-2007 Daniel Drake <dsd@gentoo.org> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -26,6 +29,9 @@ #include "zd_def.h" +#define ZD_USB_TX_HIGH 5 +#define ZD_USB_TX_LOW 2 + enum devicetype { DEVICE_ZD1211 = 0, DEVICE_ZD1211B = 1, @@ -165,7 +171,7 @@ static inline struct usb_int_regs *get_read_regs(struct zd_usb_interrupt *intr) return (struct usb_int_regs *)intr->read_regs.buffer; } -#define URBS_COUNT 5 +#define RX_URBS_COUNT 5 struct zd_usb_rx { spinlock_t lock; @@ -176,8 +182,21 @@ struct zd_usb_rx { int urbs_count; }; +/** + * struct zd_usb_tx - structure used for transmitting frames + * @lock: lock for transmission + * @free_urb_list: list of free URBs, contains all the URBs, which can be used + * @submitted_urbs: atomic integer that counts the URBs having sent to the + * device, which haven't been completed + * @enabled: enabled flag, indicates whether tx is enabled + * @stopped: indicates whether higher level tx queues are stopped + */ struct zd_usb_tx { spinlock_t lock; + struct list_head free_urb_list; + int submitted_urbs; + int enabled; + int stopped; }; /* Contains the usb parts. The structure doesn't require a lock because intf @@ -198,17 +217,17 @@ static inline struct usb_device *zd_usb_to_usbdev(struct zd_usb *usb) return interface_to_usbdev(usb->intf); } -static inline struct net_device *zd_intf_to_netdev(struct usb_interface *intf) +static inline struct ieee80211_hw *zd_intf_to_hw(struct usb_interface *intf) { return usb_get_intfdata(intf); } -static inline struct net_device *zd_usb_to_netdev(struct zd_usb *usb) +static inline struct ieee80211_hw *zd_usb_to_hw(struct zd_usb *usb) { - return zd_intf_to_netdev(usb->intf); + return zd_intf_to_hw(usb->intf); } -void zd_usb_init(struct zd_usb *usb, struct net_device *netdev, +void zd_usb_init(struct zd_usb *usb, struct ieee80211_hw *hw, struct usb_interface *intf); int zd_usb_init_hw(struct zd_usb *usb); void zd_usb_clear(struct zd_usb *usb); @@ -221,7 +240,10 @@ void zd_usb_disable_int(struct zd_usb *usb); int zd_usb_enable_rx(struct zd_usb *usb); void zd_usb_disable_rx(struct zd_usb *usb); -int zd_usb_tx(struct zd_usb *usb, const u8 *frame, unsigned int length); +void zd_usb_enable_tx(struct zd_usb *usb); +void zd_usb_disable_tx(struct zd_usb *usb); + +int zd_usb_tx(struct zd_usb *usb, struct sk_buff *skb); int zd_usb_ioread16v(struct zd_usb *usb, u16 *values, const zd_addr_t *addresses, unsigned int count); |