101 lines
2.9 KiB
C
101 lines
2.9 KiB
C
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/*
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* Data Transmission thread for XRadio drivers
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*
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* Copyright (c) 2013
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* Xradio Technology Co., Ltd. <www.xradiotech.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef XRADIO_BH_H
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#define XRADIO_BH_H
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#define XRADIO_BH_THREAD "xradio_bh"
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#define XRADIO_PROC_THREAD "xradio_proc"
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/* extern */ struct xradio_common;
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#define ITEM_F_RESERVE 0x80 /* use reserved skb */
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#define ITEM_F_CMDCFM 0x40 /* cmd confirm packets */
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#define ITEM_F_TXCFM 0x20 /* tx confirm packets */
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#if BH_PROC_TX
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#define BH_WAITING_RX_THRESHOLD 8
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#endif
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#ifdef BH_PROC_THREAD
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struct bh_items {
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struct list_head head;
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u8 *data;
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u16 datalen;
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u8 if_id;
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u8 flags;
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};
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#if BH_PROC_DPA
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struct thread_dpa {
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int policy;
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int priority;
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};
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extern u32 proc_dpa_cnt;
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extern u32 proc_up_cnt;
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extern u32 proc_down_cnt;
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#endif
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#define ITEM_RESERVED 256
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#define PROC_POOL_NUM 8
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#define PROC_POOL_SIZE (sizeof(struct bh_items)*ITEM_RESERVED)
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struct bh_proc {
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struct bh_items *bh_pool[PROC_POOL_NUM];
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struct list_head bh_free;
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struct list_head bh_tx;
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struct list_head bh_rx;
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atomic_t tx_queued;
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atomic_t rx_queued;
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atomic_t proc_tx;
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spinlock_t lock;
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size_t txed_num;
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size_t rxed_num;
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struct task_struct *proc_thread;
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int proc_state;
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wait_queue_head_t proc_wq;
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#if BH_PROC_DPA
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s8 proc_prio;
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s8 prio_cnt;
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#endif
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};
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int bh_proc_init(struct xradio_common *hw_priv);
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void bh_proc_deinit(struct xradio_common *hw_priv);
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int bh_proc_reinit(struct xradio_common *hw_priv);
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int bh_proc_flush_queue(struct xradio_common *hw_priv);
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int bh_proc_flush_txqueue(struct xradio_common *hw_priv, int if_id);
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#endif /*BH_PROC_THREAD*/
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int xradio_register_bh(struct xradio_common *hw_priv);
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void xradio_unregister_bh(struct xradio_common *hw_priv);
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void xradio_irq_handler(struct xradio_common *hw_priv);
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void xradio_bh_wakeup(struct xradio_common *hw_priv);
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int xradio_bh_suspend(struct xradio_common *hw_priv);
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int xradio_bh_resume(struct xradio_common *hw_priv);
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/* Must be called from BH thread. */
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void xradio_enable_powersave(struct xradio_vif *priv, bool enable);
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int wsm_release_tx_buffer(struct xradio_common *hw_priv, int count);
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int wsm_release_vif_tx_buffer(struct xradio_common *hw_priv, int if_id,
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int count);
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int xradio_init_resv_skb(struct xradio_common *hw_priv);
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void xradio_deinit_resv_skb(struct xradio_common *hw_priv);
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int xradio_realloc_resv_skb(struct xradio_common *hw_priv,
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struct sk_buff *skb, u8 flags);
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#ifdef BH_PROC_THREAD
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void xradio_proc_wakeup(struct xradio_common *hw_priv);
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#else
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static inline void xradio_proc_wakeup(struct xradio_common *hw_priv)
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{
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xradio_bh_wakeup(hw_priv);
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}
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#endif
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#endif /* XRADIO_BH_H */
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