diff options
Diffstat (limited to 'drivers/net/wireless/ath/wcn36xx/txrx.h')
| -rw-r--r-- | drivers/net/wireless/ath/wcn36xx/txrx.h | 167 |
1 files changed, 167 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/wcn36xx/txrx.h b/drivers/net/wireless/ath/wcn36xx/txrx.h new file mode 100644 index 0000000..032216e --- /dev/null +++ b/drivers/net/wireless/ath/wcn36xx/txrx.h @@ -0,0 +1,167 @@ +/* + * 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_ */ |