diff options
Diffstat (limited to 'drivers/staging/rtl8188eu/include/rtw_recv.h')
| -rw-r--r-- | drivers/staging/rtl8188eu/include/rtw_recv.h | 264 |
1 files changed, 264 insertions, 0 deletions
diff --git a/drivers/staging/rtl8188eu/include/rtw_recv.h b/drivers/staging/rtl8188eu/include/rtw_recv.h new file mode 100644 index 0000000..8fc5004 --- /dev/null +++ b/drivers/staging/rtl8188eu/include/rtw_recv.h @@ -0,0 +1,264 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/****************************************************************************** + * + * Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved. + * + ******************************************************************************/ +#ifndef _RTW_RECV_H_ +#define _RTW_RECV_H_ + +#include <osdep_service.h> +#include <drv_types.h> + + +#define NR_RECVFRAME 256 + +#define RXFRAME_ALIGN 8 +#define RXFRAME_ALIGN_SZ (1<<RXFRAME_ALIGN) + +#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 adapter *padapter; + bool 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 */ +}; +#define MAX_PATH_NUM_92CS 3 +struct phy_info { + u8 RxPWDBAll; + u8 SignalQuality; /* in 0-100 index. */ + u8 RxMIMOSignalQuality[MAX_PATH_NUM_92CS]; /* EVM */ + u8 RxMIMOSignalStrength[MAX_PATH_NUM_92CS];/* in 0~100 index */ + 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 recvpower; + u8 BTRxRSSIPercentage; + u8 SignalStrength; /* in 0-100 index. */ + u8 RxPwr[MAX_PATH_NUM_92CS];/* per-path's pwdb */ + u8 RxSNR[MAX_PATH_NUM_92CS];/* 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 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 indicate no encrypt. when non-zero, + * indicate the encrypt 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 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 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_entry(dispatch / passive level); + * recv_thread(passive) ; returnpkt(dispatch) + * ; halt(passive) ; + * + * using enter_critical section to protect + */ +struct recv_priv { + struct __queue free_recv_queue; + struct __queue recv_pending_queue; + struct __queue uc_swdec_pending_queue; + void *pallocated_frame_buf; + struct adapter *adapter; + u32 bIsAnyNonBEPkts; + u64 rx_bytes; + u64 rx_pkts; + u64 rx_drop; + u64 last_rx_bytes; + + 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; + struct recv_buf *precv_buf; /* 4 alignment */ + struct __queue free_recv_buf_queue; + /* For display the phy information */ + s8 rssi; + s8 rxpwdb; + u8 signal_strength; + u8 signal_qual; + u8 noise; + s8 RxRssi[2]; + + struct timer_list signal_stat_timer; + u32 signal_stat_sampling_interval; + 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 __queue defrag_q; /* keeping the fragment frame until defrag */ + struct stainfo_rxcache rxcache; +}; + +struct recv_buf { + struct adapter *adapter; + struct urb *purb; + struct sk_buff *pskb; + u8 reuse; +}; + +/* + * head -----> + * + * data -----> + * + * payload + * + * tail -----> + * + * + * end -----> + * + * len = (unsigned int )(tail - data); + * + */ +struct recv_frame { + struct list_head list; + struct sk_buff *pkt; + struct adapter *adapter; + struct rx_pkt_attrib attrib; + struct sta_info *psta; + /* for A-MPDU Rx reordering buffer control */ + struct recv_reorder_ctrl *preorder_ctrl; +}; + +struct recv_frame *_rtw_alloc_recvframe(struct __queue *pfree_recv_queue); +struct recv_frame *rtw_alloc_recvframe(struct __queue *pfree_recv_queue); +void rtw_init_recvframe(struct recv_frame *precvframe, + struct recv_priv *precvpriv); +int rtw_free_recvframe(struct recv_frame *precvframe, + struct __queue *pfree_recv_queue); +#define rtw_dequeue_recvframe(queue) rtw_alloc_recvframe(queue) +int _rtw_enqueue_recvframe(struct recv_frame *precvframe, + struct __queue *queue); +int rtw_enqueue_recvframe(struct recv_frame *precvframe, struct __queue *queue); +void rtw_free_recvframe_queue(struct __queue *pframequeue, + struct __queue *pfree_recv_queue); +u32 rtw_free_uc_swdec_pending_queue(struct adapter *adapter); + +void rtw_reordering_ctrl_timeout_handler(struct timer_list *t); + +static inline s32 translate_percentage_to_dbm(u32 sig_stren_index) +{ + s32 power; /* in dBm. */ + + /* Translate to dBm (x=0.5y-95). */ + power = (s32)((sig_stren_index + 1) >> 1); + power -= 95; + + return power; +} + + +struct sta_info; + +void _rtw_init_sta_recv_priv(struct sta_recv_priv *psta_recvpriv); + +void mgt_dispatcher(struct adapter *padapter, struct recv_frame *precv_frame); + +#endif |