diff options
Diffstat (limited to 'drivers/staging/rtl8723bs/include/rtw_recv.h')
-rw-r--r-- | drivers/staging/rtl8723bs/include/rtw_recv.h | 500 |
1 files changed, 500 insertions, 0 deletions
diff --git a/drivers/staging/rtl8723bs/include/rtw_recv.h b/drivers/staging/rtl8723bs/include/rtw_recv.h new file mode 100644 index 000000000..44f671035 --- /dev/null +++ b/drivers/staging/rtl8723bs/include/rtw_recv.h @@ -0,0 +1,500 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/****************************************************************************** + * + * Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved. + * + ******************************************************************************/ +#ifndef _RTW_RECV_H_ +#define _RTW_RECV_H_ + +#define NR_RECVBUFF (8) + +#define NR_PREALLOC_RECV_SKB (8) + +#define NR_RECVFRAME 256 + +#define RXFRAME_ALIGN 8 +#define RXFRAME_ALIGN_SZ (1<<RXFRAME_ALIGN) + +#define DRVINFO_SZ 4 /* unit is 8bytes */ + +#define MAX_RXFRAME_CNT 512 +#define MAX_RX_NUMBLKS (32) +#define RECVFRAME_HDR_ALIGN 128 + + +#define PHY_RSSI_SLID_WIN_MAX 100 +#define PHY_LINKQUALITY_SLID_WIN_MAX 20 + + +#define SNAP_SIZE sizeof(struct ieee80211_snap_hdr) + +#define RX_MPDU_QUEUE 0 +#define RX_CMD_QUEUE 1 +#define RX_MAX_QUEUE 2 + +#define MAX_SUBFRAME_COUNT 64 + +#define LLC_HEADER_LENGTH 6 + +/* for Rx reordering buffer control */ +struct recv_reorder_ctrl { + struct adapter *padapter; + u8 enable; + u16 indicate_seq;/* wstart_b, init_value = 0xffff */ + u16 wend_b; + u8 wsize_b; + struct __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 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 rx_pwd_ba11; + + u8 SignalQuality; /* in 0-100 index. */ + s8 rx_mimo_signal_quality[4]; /* per-path's EVM */ + u8 RxMIMOEVMdbm[4]; /* per-path's EVM dbm */ + + u8 rx_mimo_signal_strength[4];/* in 0~100 index */ + + u16 Cfo_short[4]; /* per-path's Cfo_short */ + u16 Cfo_tail[4]; /* per-path's Cfo_tail */ + + s8 RxPower; /* in dBm Translate from PWdB */ + s8 RecvSignalPower;/* Real power in dBm for this packet, no beautification and aggregation. Keep this raw info to be used for the other procedures. */ + u8 bt_rx_rssi_percentage; + u8 SignalStrength; /* in 0-100 index. */ + + s8 RxPwr[4]; /* per-path's pwdb */ + u8 RxSNR[4]; /* per-path's SNR */ + u8 BandWidth; + u8 btCoexPwrAdjust; +}; + +#ifdef DBG_RX_SIGNAL_DISPLAY_RAW_DATA +struct rx_raw_rssi { + u8 data_rate; + u8 pwdball; + s8 pwr_all; + + u8 mimo_signal_strength[4];/* in 0~100 index */ + u8 mimo_signal_quality[4]; + + s8 ofdm_pwr[4]; + u8 ofdm_snr[4]; + +}; +#endif + +struct rx_pkt_attrib { + u16 pkt_len; + u8 physt; + u8 drvinfo_sz; + u8 shift_sz; + u8 hdrlen; /* the WLAN Header Len */ + u8 to_fr_ds; + 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; + u8 encrypt; /* when 0 indicates no encryption; when non-zero, indicates the encryption algorithm */ + 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 key_index; + + u8 data_rate; + u8 sgi; + u8 pkt_rpt_type; + u32 MacIDValidEntry[2]; /* 64 bits present 64 entry. */ + +/* + u8 signal_qual; + s8 rx_mimo_signal_qual[2]; + u8 signal_strength; + u32 rx_pwd_ba11; + s32 RecvSignalPower; +*/ + 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_WIN_SIZE 128 */ +/* define REORDER_ENTRY_NUM 128 */ +#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; +#ifndef BUF_DESC_ARCH + __le32 rxdw4; + __le32 rxdw5; +#endif /* if BUF_DESC_ARCH is defined, rx_buf_desc occupy 4 double words */ +}; + +#define EOR BIT(30) + +/* +accesser of recv_priv: rtw_recv_entry(dispatch / passive level); recv_thread(passive) ; returnpkt(dispatch) +; halt(passive) ; + +using enter_critical section to protect +*/ +struct recv_priv { + spinlock_t lock; + struct __queue free_recv_queue; + struct __queue recv_pending_queue; + struct __queue uc_swdec_pending_queue; + u8 *pallocated_frame_buf; + u8 *precv_frame_buf; + uint free_recvframe_cnt; + struct adapter *adapter; + u32 bIsAnyNonBEPkts; + u64 rx_bytes; + u64 rx_pkts; + u64 rx_drop; + uint rx_icv_err; + uint rx_largepacket_crcerr; + uint rx_smallpacket_crcerr; + uint rx_middlepacket_crcerr; + + 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 *pallocated_recv_buf; + u8 *precv_buf; /* 4 alignment */ + struct __queue free_recv_buf_queue; + u32 free_recv_buf_queue_cnt; + + struct __queue recv_buf_pending_queue; + + /* For display the phy information */ + u8 is_signal_dbg; /* for debug */ + u8 signal_strength_dbg; /* for debug */ + + u8 signal_strength; + u8 signal_qual; + s8 rssi; /* translate_percentage_to_dbm(ptarget_wlan->network.PhyInfo.SignalStrength); */ + #ifdef DBG_RX_SIGNAL_DISPLAY_RAW_DATA + struct rx_raw_rssi raw_rssi_info; + #endif + /* s8 rxpwdb; */ + s16 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) _set_timer(&(recvpriv)->signal_stat_timer, (recvpriv)->signal_stat_sampling_interval) + +struct sta_recv_priv { + + spinlock_t lock; + signed int option; + + /* struct __queue blk_strms[MAX_RX_NUMBLKS]; */ + struct __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; + + spinlock_t recvbuf_lock; + + u32 ref_cnt; + + struct adapter *adapter; + + u8 *pbuf; + u8 *pallocated_buf; + + u32 len; + u8 *phead; + u8 *pdata; + u8 *ptail; + u8 *pend; + + struct sk_buff *pskb; + u8 reuse; +}; + + +/* + head -----> + + data -----> + + payload + + tail -----> + + + end -----> + + len = (unsigned int)(tail - data); + +*/ +struct recv_frame_hdr { + struct list_head list; + struct sk_buff *pkt; + struct sk_buff *pkt_newalloc; + + struct adapter *adapter; + + u8 fragcnt; + + int frame_tag; + + struct rx_pkt_attrib attrib; + + uint len; + u8 *rx_head; + u8 *rx_data; + u8 *rx_tail; + u8 *rx_end; + + void *precvbuf; + + + /* */ + struct sta_info *psta; + + /* for A-MPDU Rx reordering buffer control */ + struct recv_reorder_ctrl *preorder_ctrl; +}; + + +union recv_frame { + union{ + struct list_head list; + struct recv_frame_hdr hdr; + uint mem[RECVFRAME_HDR_ALIGN>>2]; + } u; + + /* uint mem[MAX_RXSZ>>2]; */ + +}; + +enum { + NORMAL_RX,/* Normal rx packet */ + TX_REPORT1,/* CCX */ + TX_REPORT2,/* TX RPT */ + HIS_REPORT,/* USB HISR RPT */ + C2H_PACKET +}; + +extern union recv_frame *_rtw_alloc_recvframe(struct __queue *pfree_recv_queue); /* get a free recv_frame from pfree_recv_queue */ +extern union recv_frame *rtw_alloc_recvframe(struct __queue *pfree_recv_queue); /* get a free recv_frame from pfree_recv_queue */ +extern int rtw_free_recvframe(union recv_frame *precvframe, struct __queue *pfree_recv_queue); + +#define rtw_dequeue_recvframe(queue) rtw_alloc_recvframe(queue) +extern int _rtw_enqueue_recvframe(union recv_frame *precvframe, struct __queue *queue); +extern int rtw_enqueue_recvframe(union recv_frame *precvframe, struct __queue *queue); + +extern void rtw_free_recvframe_queue(struct __queue *pframequeue, struct __queue *pfree_recv_queue); +u32 rtw_free_uc_swdec_pending_queue(struct adapter *adapter); + +signed int rtw_enqueue_recvbuf_to_head(struct recv_buf *precvbuf, struct __queue *queue); +signed int rtw_enqueue_recvbuf(struct recv_buf *precvbuf, struct __queue *queue); +struct recv_buf *rtw_dequeue_recvbuf(struct __queue *queue); + +void rtw_reordering_ctrl_timeout_handler(struct timer_list *t); + +static inline u8 *get_rxmem(union recv_frame *precvframe) +{ + /* always return rx_head... */ + if (precvframe == NULL) + return NULL; + + return precvframe->u.hdr.rx_head; +} + +static inline u8 *recvframe_pull(union recv_frame *precvframe, signed int sz) +{ + /* rx_data += sz; move rx_data sz bytes hereafter */ + + /* used for extract sz bytes from rx_data, update rx_data and return the updated rx_data to the caller */ + + + if (precvframe == NULL) + return NULL; + + + precvframe->u.hdr.rx_data += sz; + + if (precvframe->u.hdr.rx_data > precvframe->u.hdr.rx_tail) + { + precvframe->u.hdr.rx_data -= sz; + return NULL; + } + + precvframe->u.hdr.len -= sz; + + return precvframe->u.hdr.rx_data; + +} + +static inline u8 *recvframe_put(union recv_frame *precvframe, signed int sz) +{ + /* rx_tai += sz; move rx_tail sz bytes hereafter */ + + /* used for append sz bytes from ptr to rx_tail, update rx_tail and return the updated rx_tail to the caller */ + /* after putting, rx_tail must be still larger than rx_end. */ + unsigned char *prev_rx_tail; + + if (precvframe == NULL) + return NULL; + + prev_rx_tail = precvframe->u.hdr.rx_tail; + + precvframe->u.hdr.rx_tail += sz; + + if (precvframe->u.hdr.rx_tail > precvframe->u.hdr.rx_end) + { + precvframe->u.hdr.rx_tail = prev_rx_tail; + return NULL; + } + + precvframe->u.hdr.len += sz; + + return precvframe->u.hdr.rx_tail; + +} + + + +static inline u8 *recvframe_pull_tail(union recv_frame *precvframe, signed int sz) +{ + /* rmv data from rx_tail (by yitsen) */ + + /* used for extract sz bytes from rx_end, update rx_end and return the updated rx_end to the caller */ + /* after pulling, rx_end must be still larger than rx_data. */ + + if (precvframe == NULL) + return NULL; + + precvframe->u.hdr.rx_tail -= sz; + + if (precvframe->u.hdr.rx_tail < precvframe->u.hdr.rx_data) + { + precvframe->u.hdr.rx_tail += sz; + return NULL; + } + + precvframe->u.hdr.len -= sz; + + return precvframe->u.hdr.rx_tail; + +} + +static inline union recv_frame *rxmem_to_recvframe(u8 *rxmem) +{ + /* due to the design of 2048 bytes alignment of recv_frame, we can reference the union recv_frame */ + /* from any given member of recv_frame. */ + /* rxmem indicates the any member/address in recv_frame */ + + return (union recv_frame *)(((SIZE_PTR)rxmem >> RXFRAME_ALIGN) << RXFRAME_ALIGN); + +} + +static inline signed int get_recvframe_len(union recv_frame *precvframe) +{ + return precvframe->u.hdr.len; +} + + +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; + +extern void _rtw_init_sta_recv_priv(struct sta_recv_priv *psta_recvpriv); + +extern void mgt_dispatcher(struct adapter *padapter, union recv_frame *precv_frame); + +#endif |