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-rw-r--r--drivers/staging/rtl8723bs/include/rtw_recv.h553
1 files changed, 553 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 0000000..570a3c3
--- /dev/null
+++ b/drivers/staging/rtl8723bs/include/rtw_recv.h
@@ -0,0 +1,553 @@
+/******************************************************************************
+ *
+ * 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_
+
+ #ifdef CONFIG_SINGLE_RECV_BUF
+ #define NR_RECVBUFF (1)
+ #else
+ #define NR_RECVBUFF (8)
+ #endif /* CONFIG_SINGLE_RECV_BUF */
+
+ #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
+extern u8 rtw_rfc1042_header[];
+extern u8 rtw_bridge_tunnel_header[];
+
+/* 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;
+ _timer 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. */
+ s8 RxMIMOSignalQuality[4]; /* per-path's EVM */
+ u8 RxMIMOEVMdbm[4]; /* per-path's EVM dbm */
+
+ u8 RxMIMOSignalStrength[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 BTRxRSSIPercentage;
+ 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_singal_strength[4];/* in 0~100 index */
+ u8 mimo_singal_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 indicate no encrypt. when non-zero, indicate the encrypt algorith */
+ 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;
+
+/* ifdef CONFIG_TCP_CSUM_OFFLOAD_RX */
+ u8 tcpchk_valid; /* 0: invalid, 1: valid */
+ u8 ip_chkrpt; /* 0: incorrect, 1: correct */
+ u8 tcp_chkrpt; /* 0: incorrect, 1: correct */
+/* endif */
+ 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 RxPWDBAll;
+ 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 {
+ _lock 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;
+#ifdef CONFIG_RX_INDICATE_QUEUE
+ struct task rx_indicate_tasklet;
+ struct ifqueue rx_indicate_queue;
+#endif /* CONFIG_RX_INDICATE_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 informatiom */
+ 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; */
+
+
+ _timer 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 {
+
+ _lock lock;
+ sint 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;
+
+ _lock recvbuf_lock;
+
+ u32 ref_cnt;
+
+ struct adapter * adapter;
+
+ u8 *pbuf;
+ u8 *pallocated_buf;
+
+ u32 len;
+ u8 *phead;
+ u8 *pdata;
+ u8 *ptail;
+ u8 *pend;
+
+ _pkt *pskb;
+ u8 reuse;
+};
+
+
+/*
+ head ----->
+
+ data ----->
+
+ payload
+
+ tail ----->
+
+
+ end ----->
+
+ len = (unsigned int)(tail - data);
+
+*/
+struct recv_frame_hdr
+{
+ struct list_head list;
+#ifndef CONFIG_BSD_RX_USE_MBUF
+ struct sk_buff *pkt;
+ struct sk_buff *pkt_newalloc;
+#else /* CONFIG_BSD_RX_USE_MBUF */
+ _pkt *pkt;
+ _pkt *pkt_newalloc;
+#endif /* CONFIG_BSD_RX_USE_MBUF */
+
+ 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 RX_PACKET_TYPE {
+ 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);
+
+sint rtw_enqueue_recvbuf_to_head(struct recv_buf *precvbuf, struct __queue *queue);
+sint 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(void *pcontext);
+
+__inline static u8 *get_rxmem(union recv_frame *precvframe)
+{
+ /* always return rx_head... */
+ if (precvframe == NULL)
+ return NULL;
+
+ return precvframe->u.hdr.rx_head;
+}
+
+__inline static u8 *get_recvframe_data(union recv_frame *precvframe)
+{
+
+ /* alwasy return rx_data */
+ if (precvframe == NULL)
+ return NULL;
+
+ return precvframe->u.hdr.rx_data;
+
+}
+
+__inline static u8 *recvframe_pull(union recv_frame *precvframe, sint 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;
+
+}
+
+__inline static u8 *recvframe_put(union recv_frame *precvframe, sint 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;
+
+}
+
+
+
+__inline static u8 *recvframe_pull_tail(union recv_frame *precvframe, sint 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;
+
+}
+
+__inline static 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);
+
+}
+
+__inline static sint get_recvframe_len(union recv_frame *precvframe)
+{
+ return precvframe->u.hdr.len;
+}
+
+
+__inline static s32 translate_percentage_to_dbm(u32 SignalStrengthIndex)
+{
+ s32 SignalPower; /* in dBm. */
+
+#ifdef CONFIG_SKIP_SIGNAL_SCALE_MAPPING
+ /* Translate to dBm (x =y-100) */
+ SignalPower = SignalStrengthIndex - 100;
+#else
+ /* Translate to dBm (x = 0.5y-95). */
+ SignalPower = (s32)((SignalStrengthIndex + 1) >> 1);
+ SignalPower -= 95;
+#endif
+
+ 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
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