#ifndef __SPRDWL_REORDER_H__
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#define __SPRDWL_REORDER_H__
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#include "sprdwl.h"
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#include <linux/timer.h>
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#include <linux/skbuff.h>
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#define NUM_TIDS 8
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#define RX_BA_LOSS_RECOVERY_TIMEOUT (HZ / 10)
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#define MAX_TIMEOUT_CNT 60
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#define MIN_INDEX_SIZE (1 << 6)
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#define INDEX_SIZE_MASK(index_size) (index_size - 1)
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struct rx_ba_pkt_desc {
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unsigned int pn_l;
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unsigned short pn_h;
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unsigned short seq;
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unsigned char cipher_type;
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unsigned char last;
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unsigned short msdu_num;
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};
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struct rx_ba_pkt {
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struct sk_buff *skb;
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struct sk_buff *skb_last; /* TODO: could we just search last skb? */
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struct rx_ba_pkt_desc desc;
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};
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struct rx_ba_node_desc {
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unsigned short win_start;
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unsigned short win_limit;
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unsigned short win_tail;
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unsigned short win_size;
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unsigned short buff_cnt;
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unsigned short pn_h;
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unsigned int pn_l;
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unsigned char reset_pn;
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unsigned int index_mask;
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struct rx_ba_pkt reorder_buffer[0];
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};
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struct rx_ba_node {
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unsigned char sta_lut_index;
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unsigned char tid;
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unsigned char active;
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unsigned char timeout_cnt;
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struct hlist_node hlist;
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struct rx_ba_node_desc *rx_ba;
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/* For reorder timeout */
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spinlock_t ba_node_lock;
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struct timer_list reorder_timer;
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struct sprdwl_rx_ba_entry *ba_entry;
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};
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struct sprdwl_rx_ba_entry {
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struct hlist_head hlist[NUM_TIDS];
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struct rx_ba_node *current_ba_node;
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spinlock_t skb_list_lock;
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struct sk_buff *skb_head;
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struct sk_buff *skb_last;
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};
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void sprdwl_reorder_init(struct sprdwl_rx_ba_entry *ba_entry);
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void sprdwl_reorder_deinit(struct sprdwl_rx_ba_entry *ba_entry);
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struct sk_buff *reorder_data_process(struct sprdwl_rx_ba_entry *ba_entry,
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struct sk_buff *pskb);
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#ifdef SPLIT_STACK
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struct sk_buff *reorder_get_skb_list(struct sprdwl_rx_ba_entry *ba_entry);
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#endif
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void wlan_ba_session_event(void *hw_intf,
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unsigned char *data, unsigned short len);
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void peer_entry_delba(void *hw_intf, unsigned char sta_lut_index);
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void reset_pn(struct sprdwl_priv *priv, const u8 *mac_addr);
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void sprdwl_active_ba_node(struct sprdwl_rx_ba_entry *ba_entry,
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u8 sta_lut_index, u8 tid);
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#endif /* __SPRDWL_REORDER_H__ */
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