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kernel/linux-rt-4.4.41/drivers/net/wireless/ath/wcn36xx/txrx.h 3.14 KB
5113f6f70   김현기   kernel add
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  /*
   * Copyright (c) 2013 Eugene Krasnikov <k.eugene.e@gmail.com>
   *
   * Permission to use, copy, modify, and/or distribute this software for any
   * purpose with or without fee is hereby granted, provided that the above
   * copyright notice and this permission notice appear in all copies.
   *
   * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
   * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
   * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
   * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
   * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
   * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
   */
  
  #ifndef _TXRX_H_
  #define _TXRX_H_
  
  #include <linux/etherdevice.h>
  #include "wcn36xx.h"
  
  /* TODO describe all properties */
  #define WCN36XX_802_11_HEADER_LEN	24
  #define WCN36XX_BMU_WQ_TX		25
  #define WCN36XX_TID			7
  /* broadcast wq ID */
  #define WCN36XX_TX_B_WQ_ID		0xA
  #define WCN36XX_TX_U_WQ_ID		0x9
  /* bd_rate */
  #define WCN36XX_BD_RATE_DATA 0
  #define WCN36XX_BD_RATE_MGMT 2
  #define WCN36XX_BD_RATE_CTRL 3
  
  enum wcn36xx_txbd_ssn_type {
  	WCN36XX_TXBD_SSN_FILL_HOST = 0,
  	WCN36XX_TXBD_SSN_FILL_DPU_NON_QOS = 1,
  	WCN36XX_TXBD_SSN_FILL_DPU_QOS = 2,
  };
  
  struct wcn36xx_pdu {
  	u32	dpu_fb:8;
  	u32	adu_fb:8;
  	u32	pdu_id:16;
  
  	/* 0x04*/
  	u32	tail_pdu_idx:16;
  	u32	head_pdu_idx:16;
  
  	/* 0x08*/
  	u32	pdu_count:7;
  	u32	mpdu_data_off:9;
  	u32	mpdu_header_off:8;
  	u32	mpdu_header_len:8;
  
  	/* 0x0c*/
  	u32	reserved4:8;
  	u32	tid:4;
  	u32	bd_ssn:2;
  	u32	reserved3:2;
  	u32	mpdu_len:16;
  };
  
  struct wcn36xx_rx_bd {
  	u32	bdt:2;
  	u32	ft:1;
  	u32	dpu_ne:1;
  	u32	rx_key_id:3;
  	u32	ub:1;
  	u32	rmf:1;
  	u32	uma_bypass:1;
  	u32	csr11:1;
  	u32	reserved0:1;
  	u32	scan_learn:1;
  	u32	rx_ch:4;
  	u32	rtsf:1;
  	u32	bsf:1;
  	u32	a2hf:1;
  	u32	st_auf:1;
  	u32	dpu_sign:3;
  	u32	dpu_rf:8;
  
  	struct wcn36xx_pdu pdu;
  
  	/* 0x14*/
  	u32	addr3:8;
  	u32	addr2:8;
  	u32	addr1:8;
  	u32	dpu_desc_idx:8;
  
  	/* 0x18*/
  	u32	rxp_flags:23;
  	u32	rate_id:9;
  
  	u32	phy_stat0;
  	u32	phy_stat1;
  
  	/* 0x24 */
  	u32	rx_times;
  
  	u32	pmi_cmd[6];
  
  	/* 0x40 */
  	u32	reserved7:4;
  	u32	reorder_slot_id:6;
  	u32	reorder_fwd_id:6;
  	u32	reserved6:12;
  	u32	reorder_code:4;
  
  	/* 0x44 */
  	u32	exp_seq_num:12;
  	u32	cur_seq_num:12;
  	u32	fr_type_subtype:8;
  
  	/* 0x48 */
  	u32	msdu_size:16;
  	u32	sub_fr_id:4;
  	u32	proc_order:4;
  	u32	reserved9:4;
  	u32	aef:1;
  	u32	lsf:1;
  	u32	esf:1;
  	u32	asf:1;
  };
  
  struct wcn36xx_tx_bd {
  	u32	bdt:2;
  	u32	ft:1;
  	u32	dpu_ne:1;
  	u32	fw_tx_comp:1;
  	u32	tx_comp:1;
  	u32	reserved1:1;
  	u32	ub:1;
  	u32	rmf:1;
  	u32	reserved0:12;
  	u32	dpu_sign:3;
  	u32	dpu_rf:8;
  
  	struct wcn36xx_pdu pdu;
  
  	/* 0x14*/
  	u32	reserved5:7;
  	u32	queue_id:5;
  	u32	bd_rate:2;
  	u32	ack_policy:2;
  	u32	sta_index:8;
  	u32	dpu_desc_idx:8;
  
  	u32	tx_bd_sign;
  	u32	reserved6;
  	u32	dxe_start_time;
  	u32	dxe_end_time;
  
  	/*u32	tcp_udp_start_off:10;
  	u32	header_cks:16;
  	u32	reserved7:6;*/
  };
  
  struct wcn36xx_sta;
  struct wcn36xx;
  
  int  wcn36xx_rx_skb(struct wcn36xx *wcn, struct sk_buff *skb);
  int wcn36xx_start_tx(struct wcn36xx *wcn,
  		     struct wcn36xx_sta *sta_priv,
  		     struct sk_buff *skb);
  
  #endif	/* _TXRX_H_ */