diff options
Diffstat (limited to 'drivers/staging/rtl8723au/include/rtw_recv.h')
| -rw-r--r-- | drivers/staging/rtl8723au/include/rtw_recv.h | 307 |
1 files changed, 307 insertions, 0 deletions
diff --git a/drivers/staging/rtl8723au/include/rtw_recv.h b/drivers/staging/rtl8723au/include/rtw_recv.h new file mode 100644 index 000000000..dc784be3d --- /dev/null +++ b/drivers/staging/rtl8723au/include/rtw_recv.h @@ -0,0 +1,307 @@ +/****************************************************************************** + * + * Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + ******************************************************************************/ +#ifndef _RTW_RECV_H_ +#define _RTW_RECV_H_ + +#include <osdep_service.h> +#include <drv_types.h> +#include <Hal8723APhyCfg.h> + +#define NR_RECVFRAME 256 + +#define MAX_RXFRAME_CNT 512 +#define MAX_RX_NUMBLKS (32) +#define RECVFRAME_HDR_ALIGN 128 + +#define SNAP_SIZE sizeof(struct ieee80211_snap_hdr) + +#define MAX_SUBFRAME_COUNT 64 + +/* for Rx reordering buffer control */ +struct recv_reorder_ctrl { + struct rtw_adapter *padapter; + u8 enable; + u16 indicate_seq;/* wstart_b, init_value=0xffff */ + u16 wend_b; + u8 wsize_b; + struct rtw_queue pending_recvframe_queue; + struct timer_list reordering_ctrl_timer; +}; + +struct stainfo_rxcache { + u16 tid_rxseq[16]; +/* + unsigned short tid0_rxseq; + unsigned short tid1_rxseq; + unsigned short tid2_rxseq; + unsigned short tid3_rxseq; + unsigned short tid4_rxseq; + unsigned short tid5_rxseq; + unsigned short tid6_rxseq; + unsigned short tid7_rxseq; + unsigned short tid8_rxseq; + unsigned short tid9_rxseq; + unsigned short tid10_rxseq; + unsigned short tid11_rxseq; + unsigned short tid12_rxseq; + unsigned short tid13_rxseq; + unsigned short tid14_rxseq; + unsigned short tid15_rxseq; +*/ +}; + +struct smooth_rssi_data { + u32 elements[100]; /* array to store values */ + u32 index; /* index to current array to store */ + u32 total_num; /* num of valid elements */ + u32 total_val; /* sum of valid elements */ +}; + +struct signal_stat { + u8 update_req; /* used to indicate */ + u8 avg_val; /* avg of valid elements */ + u32 total_num; /* num of valid elements */ + u32 total_val; /* sum of valid elements */ +}; + +struct phy_info { + u8 RxPWDBAll; + u8 SignalQuality; /* in 0-100 index. */ + u8 RxMIMOSignalQuality[RF_PATH_MAX]; /* EVM */ + u8 RxMIMOSignalStrength[RF_PATH_MAX];/* 0~100 */ + s8 RxPower; /* in dBm Translate from PWdB */ + /* Real power in dBm for this packet, no beautification and aggregation. + * Keep this raw info to be used for the other procedures. + */ + s8 RecvSignalPower; + u8 BTRxRSSIPercentage; + u8 SignalStrength; /* in 0-100 index. */ + u8 RxPwr[RF_PATH_MAX];/* per-path's pwdb */ + u8 RxSNR[RF_PATH_MAX];/* per-path's SNR */ +}; + + +struct rx_pkt_attrib { + u16 pkt_len; + u8 physt; + u8 drvinfo_sz; + u8 shift_sz; + u8 hdrlen; /* the WLAN Header Len */ + u8 amsdu; + u8 qos; + u8 priority; + u8 pw_save; + u8 mdata; + u16 seq_num; + u8 frag_num; + u8 mfrag; + u8 order; + u8 privacy; /* in frame_ctrl field */ + u8 bdecrypted; + /* when 0 indicate no encrypt. when non-zero, indicate the algorith */ + u32 encrypt; + u8 iv_len; + u8 icv_len; + u8 crc_err; + u8 icv_err; + + u16 eth_type; + + u8 dst[ETH_ALEN]; + u8 src[ETH_ALEN]; + u8 ta[ETH_ALEN]; + u8 ra[ETH_ALEN]; + u8 bssid[ETH_ALEN]; + + u8 ack_policy; + + u8 tcpchk_valid; /* 0: invalid, 1: valid */ + u8 ip_chkrpt; /* 0: incorrect, 1: correct */ + u8 tcp_chkrpt; /* 0: incorrect, 1: correct */ + u8 key_index; + + u8 mcs_rate; + u8 rxht; + u8 sgi; + u8 pkt_rpt_type; + u32 MacIDValidEntry[2]; /* 64 bits present 64 entry. */ + struct phy_info phy_info; +}; + +/* These definition is used for Rx packet reordering. */ +#define SN_LESS(a, b) (((a-b) & 0x800) != 0) +#define SN_EQUAL(a, b) (a == b) +#define REORDER_WAIT_TIME (50) /* (ms) */ + +#define RECVBUFF_ALIGN_SZ 8 + +#define RXDESC_SIZE 24 +#define RXDESC_OFFSET RXDESC_SIZE + +struct recv_stat { + __le32 rxdw0; + __le32 rxdw1; + __le32 rxdw2; + __le32 rxdw3; + __le32 rxdw4; + __le32 rxdw5; +}; + +/* accesser of recv_priv: rtw_recv_entry23a(dispatch / passive level); \ + * recv_thread(passive) ; returnpkt(dispatch) ; halt(passive) ; + * + * using enter_critical section to protect + */ +struct recv_priv { + spinlock_t lock; + + struct rtw_queue free_recv_queue; + struct rtw_queue recv_pending_queue; + struct rtw_queue uc_swdec_pending_queue; + + int free_recvframe_cnt; + + struct rtw_adapter *adapter; + + u32 bIsAnyNonBEPkts; + u64 rx_bytes; + u64 rx_pkts; + u64 rx_drop; + u64 last_rx_bytes; + + uint rx_icv_err; + uint rx_largepacket_crcerr; + uint rx_smallpacket_crcerr; + uint rx_middlepacket_crcerr; + + /* u8 *pallocated_urb_buf; */ + u8 rx_pending_cnt; + + struct urb *int_in_urb; + + u8 *int_in_buf; + + struct tasklet_struct irq_prepare_beacon_tasklet; + struct tasklet_struct recv_tasklet; + struct sk_buff_head free_recv_skb_queue; + struct sk_buff_head rx_skb_queue; + u8 *precv_buf; + + /* For display the phy informatiom */ + s8 rxpwdb; + u8 signal_strength; + u8 signal_qual; + u8 noise; + int RxSNRdB[2]; + s8 RxRssi[2]; + int FalseAlmCnt_all; + + struct timer_list signal_stat_timer; + u32 signal_stat_sampling_interval; + /* u32 signal_stat_converging_constant; */ + struct signal_stat signal_qual_data; + struct signal_stat signal_strength_data; +}; + +#define rtw_set_signal_stat_timer(recvpriv) \ + mod_timer(&(recvpriv)->signal_stat_timer, jiffies + \ + msecs_to_jiffies((recvpriv)->signal_stat_sampling_interval)) + +struct sta_recv_priv { + spinlock_t lock; + int option; + + /* struct rtw_queue blk_strms[MAX_RX_NUMBLKS]; */ + struct rtw_queue defrag_q; /* keeping the fragment frame until defrag */ + + struct stainfo_rxcache rxcache; + + /* uint sta_rx_bytes; */ + /* uint sta_rx_pkts; */ + /* uint sta_rx_fail; */ + +}; + + +struct recv_buf { + struct list_head list; + + struct rtw_adapter *adapter; + + struct urb *purb; + struct sk_buff *pskb; +}; + +/* head -----> + * + * data -----> + * + * payload + * + * tail -----> + * + * end -----> + * + * len = (unsigned int )(tail - data); + * + */ +struct recv_frame { + struct list_head list; + struct sk_buff *pkt; + + struct rtw_adapter *adapter; + + struct rx_pkt_attrib attrib; + + struct sta_info *psta; + + /* for A-MPDU Rx reordering buffer control */ + struct recv_reorder_ctrl *preorder_ctrl; +}; + +/* get a free recv_frame from pfree_recv_queue */ +struct recv_frame *rtw_alloc_recvframe23a(struct rtw_queue *pfree_recv_queue); +int rtw_free_recvframe23a(struct recv_frame *precvframe); + +int rtw_enqueue_recvframe23a(struct recv_frame *precvframe, struct rtw_queue *queue); + +u32 rtw_free_uc_swdec_pending_queue23a(struct rtw_adapter *adapter); + +int rtw_enqueue_recvbuf23a_to_head(struct recv_buf *precvbuf, struct rtw_queue *queue); +int rtw_enqueue_recvbuf23a(struct recv_buf *precvbuf, struct rtw_queue *queue); +struct recv_buf *rtw_dequeue_recvbuf23a(struct rtw_queue *queue); + +void rtw_reordering_ctrl_timeout_handler23a(unsigned long pcontext); + +static inline s32 translate_percentage_to_dbm(u32 SignalStrengthIndex) +{ + s32 SignalPower; /* in dBm. */ + + /* Translate to dBm (x=0.5y-95). */ + SignalPower = (s32)((SignalStrengthIndex + 1) >> 1); + SignalPower -= 95; + + return SignalPower; +} + + +struct sta_info; + +void _rtw_init_sta_recv_priv23a(struct sta_recv_priv *psta_recvpriv); + +void mgt_dispatcher23a(struct rtw_adapter *padapter, + struct recv_frame *precv_frame); + +#endif |