187 lines
5.3 KiB
C
Executable File
187 lines
5.3 KiB
C
Executable File
/*
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* queue operations 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_QUEUE_H_INCLUDED
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#define XRADIO_QUEUE_H_INCLUDED
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/* extern */ struct sk_buff;
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/* extern */ struct wsm_tx;
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/* extern */ struct xradio_common;
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/* extern */ struct xradio_vif;
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/* extern */ struct ieee80211_tx_queue_stats;
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/* forward */ struct xradio_queue_stats;
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struct xradio_txpriv {
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u8 link_id;
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u8 raw_link_id;
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u8 tid;
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u8 rate_id;
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u8 offset;
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u8 if_id;
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#ifndef P2P_MULTIVIF
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u8 offchannel_if_id;
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#else
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u8 raw_if_id;
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#endif
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u8 use_bg_rate;
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#ifdef AP_ARP_COMPAT_FIX
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u8 iv_len;
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#endif
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};
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struct xradio_queue_item {
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struct list_head head;
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struct sk_buff *skb;
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u32 packetID;
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unsigned long queue_timestamp;
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unsigned long xmit_timestamp;
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#ifdef CONFIG_XRADIO_TESTMODE
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unsigned long mdelay_timestamp;
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unsigned long qdelay_timestamp;
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#endif /*CONFIG_XRADIO_TESTMODE*/
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struct xradio_txpriv txpriv;
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u8 generation;
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u8 pack_stk_wr;
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#if BH_PROC_TX
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u8 xmit_to_fw;
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#endif
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};
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typedef void (*xradio_queue_skb_dtor_t)(struct xradio_common *priv,
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struct sk_buff *skb,
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const struct xradio_txpriv *txpriv);
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struct xradio_queue {
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struct xradio_queue_stats *stats;
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size_t capacity;
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size_t num_queued;
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size_t num_queued_vif[XRWL_MAX_VIFS];
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size_t num_pending;
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size_t num_pending_vif[XRWL_MAX_VIFS];
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size_t num_sent;
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struct xradio_queue_item *pool;
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struct list_head queue;
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struct list_head free_pool;
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struct list_head pending;
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int tx_locked_cnt;
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int *link_map_cache[XRWL_MAX_VIFS];
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bool overfull;
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spinlock_t lock;
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u8 queue_id;
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u8 generation;
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struct timer_list gc;
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unsigned long ttl;
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};
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struct xradio_queue_stats {
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spinlock_t lock;
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int *link_map_cache[XRWL_MAX_VIFS];
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int num_queued[XRWL_MAX_VIFS];
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size_t map_capacity;
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wait_queue_head_t wait_link_id_empty;
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struct list_head gc_list;
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struct work_struct gc_work;
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xradio_queue_skb_dtor_t skb_dtor;
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struct xradio_common *hw_priv;
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};
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int xradio_queue_stats_init(struct xradio_queue_stats *stats,
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size_t map_capacity,
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xradio_queue_skb_dtor_t skb_dtor,
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struct xradio_common *priv);
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int xradio_queue_init(struct xradio_queue *queue,
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struct xradio_queue_stats *stats,
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u8 queue_id,
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size_t capacity,
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unsigned long ttl);
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int xradio_queue_clear(struct xradio_queue *queue, int if_id);
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void xradio_queue_stats_deinit(struct xradio_queue_stats *stats);
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void xradio_queue_deinit(struct xradio_queue *queue);
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size_t xradio_queue_get_num_queued(struct xradio_vif *priv,
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struct xradio_queue *queue,
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u32 link_id_map);
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int xradio_queue_put(struct xradio_queue *queue,
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struct sk_buff *skb, struct xradio_txpriv *txpriv);
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void xradio_skb_post_gc(struct xradio_common *hw_priv,
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struct sk_buff *skb,
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const struct xradio_txpriv *txpriv);
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#if BH_PROC_TX
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int xradio_queue_get(struct xradio_queue *queue,
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int if_id, u32 link_id_map,
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struct wsm_tx **tx,
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struct ieee80211_tx_info **tx_info,
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struct xradio_txpriv **txpriv, u8 **data);
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#else
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int xradio_queue_get(struct xradio_queue *queue,
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int if_id, u32 link_id_map,
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struct wsm_tx **tx,
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struct ieee80211_tx_info **tx_info,
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struct xradio_txpriv **txpriv);
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#endif
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#ifdef CONFIG_XRADIO_TESTMODE
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int xradio_queue_requeue(struct xradio_common *hw_priv,
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struct xradio_queue *queue,
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u32 packetID, bool check);
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#else
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int xradio_queue_requeue(struct xradio_queue *queue, u32 packetID, bool check);
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#endif
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int xradio_queue_requeue_all(struct xradio_queue *queue);
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#ifdef CONFIG_XRADIO_TESTMODE
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int xradio_queue_remove(struct xradio_common *hw_priv,
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struct xradio_queue *queue,
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u32 packetID);
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#else
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int xradio_queue_remove(struct xradio_queue *queue,
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u32 packetID);
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#endif /*CONFIG_XRADIO_TESTMODE*/
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int xradio_queue_get_skb(struct xradio_queue *queue, u32 packetID,
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struct sk_buff **skb,
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const struct xradio_txpriv **txpriv);
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void xradio_queue_lock(struct xradio_queue *queue);
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void xradio_queue_unlock(struct xradio_queue *queue);
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bool xradio_queue_get_xmit_timestamp(struct xradio_queue *queue,
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unsigned long *timestamp, int if_id,
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u32 pending_frameID, u32 *Old_frame_ID);
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bool xradio_query_txpkt_timeout(struct xradio_common *hw_priv, int if_id,
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u32 pending_pkt_id, long *timeout);
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bool xradio_queue_stats_is_empty(struct xradio_queue_stats *stats,
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u32 link_id_map, int if_id);
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static inline u8 xradio_queue_get_queue_id(u32 packetID)
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{
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return (packetID >> 16) & 0xF;
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}
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static inline u8 xradio_queue_get_if_id(u32 packetID)
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{
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return (packetID >> 20) & 0xF;
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}
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static inline u8 xradio_queue_get_link_id(u32 packetID)
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{
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return (packetID >> 24) & 0xF;
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}
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static inline u8 xradio_queue_get_generation(u32 packetID)
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{
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return (packetID >> 8) & 0xFF;
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}
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#endif /* XRADIO_QUEUE_H_INCLUDED */
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