145 lines
4.2 KiB
C
Executable File
145 lines
4.2 KiB
C
Executable File
/*
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* Copyright (c) 2022, Fuzhou Rockchip Electronics Co., Ltd
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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 as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*/
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#ifndef RK960_QUEUE_H_INCLUDED
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#define RK960_QUEUE_H_INCLUDED
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/* private */ struct rk960_queue_item;
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/* extern */ struct sk_buff;
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/* extern */ struct wsm_tx;
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/* extern */ struct rk960_common;
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/* extern */ struct rk960_vif;
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/* extern */ struct ieee80211_tx_queue_stats;
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/* extern */ struct rk960_txpriv;
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/* forward */ struct rk960_queue_stats;
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typedef void (*rk960_queue_skb_dtor_t) (struct rk960_common * priv,
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struct sk_buff * skb,
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const struct rk960_txpriv * txpriv);
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struct rk960_queue {
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struct rk960_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[RK960_MAX_VIFS];
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size_t num_pending;
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size_t num_pending_vif[RK960_MAX_VIFS];
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size_t num_sent;
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struct rk960_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[RK960_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 rk960_queue_stats {
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spinlock_t lock;
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int *link_map_cache[RK960_MAX_VIFS];
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int num_queued[RK960_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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rk960_queue_skb_dtor_t skb_dtor;
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struct rk960_common *hw_priv;
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};
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struct rk960_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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};
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int rk960_queue_stats_init(struct rk960_queue_stats *stats,
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size_t map_capacity,
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rk960_queue_skb_dtor_t skb_dtor,
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struct rk960_common *priv);
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int rk960_queue_init(struct rk960_queue *queue,
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struct rk960_queue_stats *stats,
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u8 queue_id, size_t capacity, unsigned long ttl);
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int rk960_queue_clear(struct rk960_queue *queue, int if_id);
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void rk960_queue_stats_deinit(struct rk960_queue_stats *stats);
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void rk960_queue_deinit(struct rk960_queue *queue);
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size_t rk960_queue_get_num_queued(struct rk960_vif *priv,
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struct rk960_queue *queue, u32 link_id_map);
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int rk960_queue_put(struct rk960_queue *queue,
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struct sk_buff *skb, struct rk960_txpriv *txpriv);
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int rk960_queue_get(struct rk960_queue *queue,
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int if_id,
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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 rk960_txpriv **txpriv,
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unsigned long **xmited_timestamp);
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#ifdef CONFIG_RK960_TESTMODE
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int rk960_queue_requeue(struct rk960_common *hw_priv,
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struct rk960_queue *queue, u32 packetID, bool check);
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#else
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int rk960_queue_requeue(struct rk960_queue *queue, u32 packetID, bool check);
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#endif
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int rk960_queue_requeue_all(struct rk960_queue *queue);
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#ifdef CONFIG_RK960_TESTMODE
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int rk960_queue_remove(struct rk960_common *hw_priv,
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struct rk960_queue *queue, u32 packetID);
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#else
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int rk960_queue_remove(struct rk960_queue *queue, u32 packetID);
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#endif /*CONFIG_RK960_TESTMODE */
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int rk960_queue_get_skb(struct rk960_queue *queue, u32 packetID,
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struct sk_buff **skb,
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const struct rk960_txpriv **txpriv);
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void rk960_queue_lock(struct rk960_queue *queue);
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void rk960_queue_unlock(struct rk960_queue *queue);
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bool rk960_queue_get_xmit_timestamp(struct rk960_queue *queue,
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unsigned long *timestamp, int if_id,
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u32 pending_frameID);
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void rk960_queue_dump_pending_tx(struct rk960_common *hw_priv, int if_id);
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void rk960_queue_flush_pending_tx(struct rk960_common *hw_priv, int if_id);
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int rk960_queue_tx_without_conf(struct rk960_common *hw_priv, int if_id);
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bool rk960_queue_stats_is_empty(struct rk960_queue_stats *stats,
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u32 link_id_map, int if_id);
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static inline u8 rk960_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 rk960_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 rk960_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 rk960_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 /* RK960_QUEUE_H_INCLUDED */
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