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txrx.h
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/*
* Contact: Eugene Krasnikov <[email protected]>
*
* 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 "wcn36xx.h"
#include "smd.h"
#include <linux/ieee80211.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
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 reserved3:4;
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;*/
};
int wcn36xx_rx_skb(struct wcn36xx *wcn, struct sk_buff *skb);
void wcn36xx_prepare_tx_bd(struct wcn36xx_tx_bd *bd, u32 len, u32 header_len);
void wcn36xx_fill_tx_bd(struct wcn36xx *wcn, struct wcn36xx_tx_bd *bd,
u8 broadcast, u8 encrypt, struct ieee80211_hdr *hdr,
bool tx_compl);
#endif /* _TXRX_H_ */