1 /******************************************************************************
3 * Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved.
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of version 2 of the GNU General Public License as
7 * published by the Free Software Foundation.
9 * This program is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
14 * You should have received a copy of the GNU General Public License along with
15 * this program; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
19 ******************************************************************************/
24 #ifdef CONFIG_SDIO_HCI
25 #define NR_RECVBUFF 1024//512//128
27 #define NR_RECVBUFF (16)
29 #elif defined(PLATFORM_OS_CE)
30 #ifdef CONFIG_SDIO_HCI
31 #define NR_RECVBUFF (128)
33 #define NR_RECVBUFF (4)
35 #else //PLATFORM_LINUX /PLATFORM_BSD
37 #ifdef CONFIG_SINGLE_RECV_BUF
38 #define NR_RECVBUFF (1)
40 #if defined(CONFIG_GSPI_HCI)
41 #define NR_RECVBUFF (32)
42 #elif defined(CONFIG_SDIO_HCI)
43 #define NR_RECVBUFF (8)
45 #define NR_RECVBUFF (8)
47 #endif //CONFIG_SINGLE_RECV_BUF
49 #define NR_PREALLOC_RECV_SKB (8)
52 #define NR_RECVFRAME 256
54 #define RXFRAME_ALIGN 8
55 #define RXFRAME_ALIGN_SZ (1<<RXFRAME_ALIGN)
57 #define DRVINFO_SZ 4 // unit is 8bytes
59 #define MAX_RXFRAME_CNT 512
60 #define MAX_RX_NUMBLKS (32)
61 #define RECVFRAME_HDR_ALIGN 128
64 #define PHY_RSSI_SLID_WIN_MAX 100
65 #define PHY_LINKQUALITY_SLID_WIN_MAX 20
68 #define SNAP_SIZE sizeof(struct ieee80211_snap_hdr)
70 #define RX_MPDU_QUEUE 0
71 #define RX_CMD_QUEUE 1
72 #define RX_MAX_QUEUE 2
74 static u8 SNAP_ETH_TYPE_IPX[2] = {0x81, 0x37};
76 static u8 SNAP_ETH_TYPE_APPLETALK_AARP[2] = {0x80, 0xf3};
77 static u8 SNAP_ETH_TYPE_APPLETALK_DDP[2] = {0x80, 0x9b};
78 static u8 SNAP_ETH_TYPE_TDLS[2] = {0x89, 0x0d};
79 static u8 SNAP_HDR_APPLETALK_DDP[3] = {0x08, 0x00, 0x07}; // Datagram Delivery Protocol
81 static u8 oui_8021h[] = {0x00, 0x00, 0xf8};
82 static u8 oui_rfc1042[]= {0x00,0x00,0x00};
84 #define MAX_SUBFRAME_COUNT 64
85 static u8 rtw_rfc1042_header[] =
86 { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 };
87 /* Bridge-Tunnel header (for EtherTypes ETH_P_AARP and ETH_P_IPX) */
88 static u8 rtw_bridge_tunnel_header[] =
89 { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0xf8 };
91 //for Rx reordering buffer control
92 struct recv_reorder_ctrl
96 u16 indicate_seq;//=wstart_b, init_value=0xffff
99 _queue pending_recvframe_queue;
100 _timer reordering_ctrl_timer;
103 struct stainfo_rxcache {
106 unsigned short tid0_rxseq;
107 unsigned short tid1_rxseq;
108 unsigned short tid2_rxseq;
109 unsigned short tid3_rxseq;
110 unsigned short tid4_rxseq;
111 unsigned short tid5_rxseq;
112 unsigned short tid6_rxseq;
113 unsigned short tid7_rxseq;
114 unsigned short tid8_rxseq;
115 unsigned short tid9_rxseq;
116 unsigned short tid10_rxseq;
117 unsigned short tid11_rxseq;
118 unsigned short tid12_rxseq;
119 unsigned short tid13_rxseq;
120 unsigned short tid14_rxseq;
121 unsigned short tid15_rxseq;
126 struct smooth_rssi_data {
127 u32 elements[100]; //array to store values
128 u32 index; //index to current array to store
129 u32 total_num; //num of valid elements
130 u32 total_val; //sum of valid elements
134 u8 update_req; //used to indicate
135 u8 avg_val; //avg of valid elements
136 u32 total_num; //num of valid elements
137 u32 total_val; //sum of valid elements
140 typedef struct _ODM_Phy_Status_Info_
143 // Be care, if you want to add any element please insert between
144 // RxPWDBAll & SignalStrength.
146 #if (DM_ODM_SUPPORT_TYPE & (ODM_WIN))
152 u1Byte SignalQuality; // in 0-100 index.
153 s1Byte RxMIMOSignalQuality[4]; //per-path's EVM
154 u1Byte RxMIMOEVMdbm[4]; //per-path's EVM dbm
156 u1Byte RxMIMOSignalStrength[4];// in 0~100 index
158 u2Byte Cfo_short[4]; // per-path's Cfo_short
159 u2Byte Cfo_tail[4]; // per-path's Cfo_tail
161 #if (DM_ODM_SUPPORT_TYPE & (ODM_WIN|ODM_CE))
162 s1Byte RxPower; // in dBm Translate from PWdB
163 s1Byte RecvSignalPower; // Real power in dBm for this packet, no beautification and aggregation. Keep this raw info to be used for the other procedures.
164 u1Byte BTRxRSSIPercentage;
165 u1Byte SignalStrength; // in 0-100 index.
167 u1Byte RxPwr[4]; //per-path's pwdb
169 u1Byte RxSNR[4]; //per-path's SNR
171 u1Byte btCoexPwrAdjust;
172 }ODM_PHY_INFO_T,*PODM_PHY_INFO_T;
179 u8 SignalQuality; // in 0-100 index.
180 s8 RxMIMOSignalQuality[4]; //per-path's EVM
181 u8 RxMIMOEVMdbm[4]; //per-path's EVM dbm
183 u8 RxMIMOSignalStrength[4];// in 0~100 index
185 u16 Cfo_short[4]; // per-path's Cfo_short
186 u16 Cfo_tail[4]; // per-path's Cfo_tail
188 s8 RxPower; // in dBm Translate from PWdB
189 s8 RecvSignalPower;// Real power in dBm for this packet, no beautification and aggregation. Keep this raw info to be used for the other procedures.
190 u8 BTRxRSSIPercentage;
191 u8 SignalStrength; // in 0-100 index.
193 s8 RxPwr[4]; //per-path's pwdb
194 u8 RxSNR[4]; //per-path's SNR
199 #ifdef DBG_RX_SIGNAL_DISPLAY_RAW_DATA
206 u8 mimo_singal_strength[4];// in 0~100 index
207 u8 mimo_singal_quality[4];
215 struct rx_pkt_attrib {
220 u8 hdrlen; //the WLAN Header Len
231 u8 privacy; //in frame_ctrl field
233 u8 encrypt; //when 0 indicate no encrypt. when non-zero, indicate the encrypt algorith
249 //#ifdef CONFIG_TCP_CSUM_OFFLOAD_RX
250 u8 tcpchk_valid; // 0: invalid, 1: valid
251 u8 ip_chkrpt; //0: incorrect, 1: correct
252 u8 tcp_chkrpt; //0: incorrect, 1: correct
259 u32 MacIDValidEntry[2]; // 64 bits present 64 entry.
263 s8 rx_mimo_signal_qual[2];
268 struct phy_info phy_info;
272 //These definition is used for Rx packet reordering.
273 #define SN_LESS(a, b) (((a-b)&0x800)!=0)
274 #define SN_EQUAL(a, b) (a == b)
275 //#define REORDER_WIN_SIZE 128
276 //#define REORDER_ENTRY_NUM 128
277 #define REORDER_WAIT_TIME (50) // (ms)
279 #define RECVBUFF_ALIGN_SZ 8
281 #define RXDESC_SIZE 24
282 #define RXDESC_OFFSET RXDESC_SIZE
298 #ifdef CONFIG_PCI_HCI
307 #ifdef CONFIG_PCI_HCI
308 #define PCI_MAX_RX_QUEUE 1// MSDU packet queue, Rx Command Queue
309 #define PCI_MAX_RX_COUNT 128
312 struct recv_stat *desc;
315 struct sk_buff *rx_buf[PCI_MAX_RX_COUNT];
322 accesser of recv_priv: rtw_recv_entry(dispatch / passive level); recv_thread(passive) ; returnpkt(dispatch)
325 using enter_critical section to protect
331 #ifdef CONFIG_RECV_THREAD_MODE
333 _sema terminate_recvthread_sema;
336 //_queue blk_strms[MAX_RX_NUMBLKS]; // keeping the block ack frame until return ack
337 _queue free_recv_queue;
338 _queue recv_pending_queue;
339 _queue uc_swdec_pending_queue;
342 u8 *pallocated_frame_buf;
345 uint free_recvframe_cnt;
349 #ifdef PLATFORM_WINDOWS
350 _nic_hdl RxPktPoolHdl;
351 _nic_hdl RxBufPoolHdl;
353 #ifdef PLATFORM_OS_XP
356 uint counter; //record the number that up-layer will return to drv; only when counter==0 can we release recv_priv
357 NDIS_EVENT recv_resource_evt ;
366 uint rx_largepacket_crcerr;
367 uint rx_smallpacket_crcerr;
368 uint rx_middlepacket_crcerr;
370 #ifdef CONFIG_USB_HCI
371 //u8 *pallocated_urb_buf;
372 _sema allrxreturnevt;
376 #ifdef CONFIG_USB_INTERRUPT_IN_PIPE
377 #ifdef PLATFORM_LINUX
382 #endif //CONFIG_USB_INTERRUPT_IN_PIPE
385 #if defined(PLATFORM_LINUX) || defined(PLATFORM_FREEBSD)
386 #ifdef PLATFORM_FREEBSD
387 struct task irq_prepare_beacon_tasklet;
388 struct task recv_tasklet;
389 #else //PLATFORM_FREEBSD
390 struct tasklet_struct irq_prepare_beacon_tasklet;
391 struct tasklet_struct recv_tasklet;
392 #endif //PLATFORM_FREEBSD
393 struct sk_buff_head free_recv_skb_queue;
394 struct sk_buff_head rx_skb_queue;
395 #ifdef CONFIG_RX_INDICATE_QUEUE
396 struct task rx_indicate_tasklet;
397 struct ifqueue rx_indicate_queue;
398 #endif // CONFIG_RX_INDICATE_QUEUE
400 #endif //defined(PLATFORM_LINUX) || defined(PLATFORM_FREEBSD)
402 u8 *pallocated_recv_buf;
403 u8 *precv_buf; // 4 alignment
404 _queue free_recv_buf_queue;
405 u32 free_recv_buf_queue_cnt;
407 #if defined(CONFIG_SDIO_HCI) || defined(CONFIG_GSPI_HCI) || defined(CONFIG_USB_HCI)
408 _queue recv_buf_pending_queue;
411 #ifdef CONFIG_PCI_HCI
413 struct rtw_rx_ring rx_ring[PCI_MAX_RX_QUEUE];
418 //For display the phy informatiom
419 u8 is_signal_dbg; // for debug
420 u8 signal_strength_dbg; // for debug
424 s8 rssi; //translate_percentage_to_dbm(ptarget_wlan->network.PhyInfo.SignalStrength);
425 #ifdef DBG_RX_SIGNAL_DISPLAY_RAW_DATA
426 struct rx_raw_rssi raw_rssi_info;
432 //int FalseAlmCnt_all;
435 #ifdef CONFIG_NEW_SIGNAL_STAT_PROCESS
436 _timer signal_stat_timer;
437 u32 signal_stat_sampling_interval;
438 //u32 signal_stat_converging_constant;
439 struct signal_stat signal_qual_data;
440 struct signal_stat signal_strength_data;
441 #else //CONFIG_NEW_SIGNAL_STAT_PROCESS
442 struct smooth_rssi_data signal_qual_data;
443 struct smooth_rssi_data signal_strength_data;
444 #endif //CONFIG_NEW_SIGNAL_STAT_PROCESS
448 #ifdef CONFIG_NEW_SIGNAL_STAT_PROCESS
449 #define rtw_set_signal_stat_timer(recvpriv) _set_timer(&(recvpriv)->signal_stat_timer, (recvpriv)->signal_stat_sampling_interval)
450 #endif //CONFIG_NEW_SIGNAL_STAT_PROCESS
452 struct sta_recv_priv {
457 //_queue blk_strms[MAX_RX_NUMBLKS];
458 _queue defrag_q; //keeping the fragment frame until defrag
460 struct stainfo_rxcache rxcache;
488 #ifdef CONFIG_USB_HCI
490 #if defined(PLATFORM_OS_XP)||defined(PLATFORM_LINUX)||defined(PLATFORM_FREEBSD)
492 dma_addr_t dma_transfer_addr; /* (in) dma addr for transfer_buffer */
496 #ifdef PLATFORM_OS_XP
500 #ifdef PLATFORM_OS_CE
501 USB_TRANSFER usb_transfer_read_port;
509 #ifdef PLATFORM_LINUX
513 #ifdef PLATFORM_FREEBSD //skb solution
514 struct sk_buff *pskb;
516 #endif //PLATFORM_FREEBSD //skb solution
532 len = (unsigned int )(tail - data);
535 struct recv_frame_hdr
538 #ifndef CONFIG_BSD_RX_USE_MBUF
540 struct sk_buff *pkt_newalloc;
541 #else // CONFIG_BSD_RX_USE_MBUF
544 #endif // CONFIG_BSD_RX_USE_MBUF
552 struct rx_pkt_attrib attrib;
564 struct sta_info *psta;
566 //for A-MPDU Rx reordering buffer control
567 struct recv_reorder_ctrl *preorder_ctrl;
569 #ifdef CONFIG_WAPI_SUPPORT
573 u8 bWapiCheckPNInDecrypt;
584 struct recv_frame_hdr hdr;
585 uint mem[RECVFRAME_HDR_ALIGN>>2];
588 //uint mem[MAX_RXSZ>>2];
592 typedef enum _RX_PACKET_TYPE{
593 NORMAL_RX,//Normal rx packet
596 HIS_REPORT,// USB HISR RPT
598 }RX_PACKET_TYPE, *PRX_PACKET_TYPE;
600 extern union recv_frame *_rtw_alloc_recvframe (_queue *pfree_recv_queue); //get a free recv_frame from pfree_recv_queue
601 extern union recv_frame *rtw_alloc_recvframe (_queue *pfree_recv_queue); //get a free recv_frame from pfree_recv_queue
602 extern void rtw_init_recvframe(union recv_frame *precvframe ,struct recv_priv *precvpriv);
603 extern int rtw_free_recvframe(union recv_frame *precvframe, _queue *pfree_recv_queue);
605 #define rtw_dequeue_recvframe(queue) rtw_alloc_recvframe(queue)
606 extern int _rtw_enqueue_recvframe(union recv_frame *precvframe, _queue *queue);
607 extern int rtw_enqueue_recvframe(union recv_frame *precvframe, _queue *queue);
609 extern void rtw_free_recvframe_queue(_queue *pframequeue, _queue *pfree_recv_queue);
610 u32 rtw_free_uc_swdec_pending_queue(_adapter *adapter);
612 sint rtw_enqueue_recvbuf_to_head(struct recv_buf *precvbuf, _queue *queue);
613 sint rtw_enqueue_recvbuf(struct recv_buf *precvbuf, _queue *queue);
614 struct recv_buf *rtw_dequeue_recvbuf (_queue *queue);
616 void rtw_reordering_ctrl_timeout_handler(void *pcontext);
618 __inline static u8 *get_rxmem(union recv_frame *precvframe)
620 //always return rx_head...
624 return precvframe->u.hdr.rx_head;
627 __inline static u8 *get_rx_status(union recv_frame *precvframe)
630 return get_rxmem(precvframe);
634 __inline static u8 *get_recvframe_data(union recv_frame *precvframe)
637 //alwasy return rx_data
641 return precvframe->u.hdr.rx_data;
645 __inline static u8 *recvframe_push(union recv_frame *precvframe, sint sz)
647 // append data before rx_data
649 /* add data to the start of recv_frame
651 * This function extends the used data area of the recv_frame at the buffer
652 * start. rx_data must be still larger than rx_head, after pushing.
659 precvframe->u.hdr.rx_data -= sz ;
660 if( precvframe->u.hdr.rx_data < precvframe->u.hdr.rx_head )
662 precvframe->u.hdr.rx_data += sz ;
666 precvframe->u.hdr.len +=sz;
668 return precvframe->u.hdr.rx_data;
673 __inline static u8 *recvframe_pull(union recv_frame *precvframe, sint sz)
675 // rx_data += sz; move rx_data sz bytes hereafter
677 //used for extract sz bytes from rx_data, update rx_data and return the updated rx_data to the caller
684 precvframe->u.hdr.rx_data += sz;
686 if(precvframe->u.hdr.rx_data > precvframe->u.hdr.rx_tail)
688 precvframe->u.hdr.rx_data -= sz;
692 precvframe->u.hdr.len -=sz;
694 return precvframe->u.hdr.rx_data;
698 __inline static u8 *recvframe_put(union recv_frame *precvframe, sint sz)
700 // rx_tai += sz; move rx_tail sz bytes hereafter
702 //used for append sz bytes from ptr to rx_tail, update rx_tail and return the updated rx_tail to the caller
703 //after putting, rx_tail must be still larger than rx_end.
704 unsigned char * prev_rx_tail;
709 prev_rx_tail = precvframe->u.hdr.rx_tail;
711 precvframe->u.hdr.rx_tail += sz;
713 if(precvframe->u.hdr.rx_tail > precvframe->u.hdr.rx_end)
715 precvframe->u.hdr.rx_tail -= sz;
719 precvframe->u.hdr.len +=sz;
721 return precvframe->u.hdr.rx_tail;
727 __inline static u8 *recvframe_pull_tail(union recv_frame *precvframe, sint sz)
729 // rmv data from rx_tail (by yitsen)
731 //used for extract sz bytes from rx_end, update rx_end and return the updated rx_end to the caller
732 //after pulling, rx_end must be still larger than rx_data.
737 precvframe->u.hdr.rx_tail -= sz;
739 if(precvframe->u.hdr.rx_tail < precvframe->u.hdr.rx_data)
741 precvframe->u.hdr.rx_tail += sz;
745 precvframe->u.hdr.len -=sz;
747 return precvframe->u.hdr.rx_tail;
753 __inline static _buffer * get_rxbuf_desc(union recv_frame *precvframe)
759 #ifdef PLATFORM_WINDOWS
760 NdisQueryPacket(precvframe->u.hdr.pkt, NULL, NULL, &buf_desc, NULL);
767 __inline static union recv_frame *rxmem_to_recvframe(u8 *rxmem)
769 //due to the design of 2048 bytes alignment of recv_frame, we can reference the union recv_frame
770 //from any given member of recv_frame.
771 // rxmem indicates the any member/address in recv_frame
773 return (union recv_frame*)(((SIZE_PTR)rxmem >> RXFRAME_ALIGN) << RXFRAME_ALIGN);
777 __inline static union recv_frame *pkt_to_recvframe(_pkt *pkt)
781 union recv_frame * precv_frame;
782 #ifdef PLATFORM_WINDOWS
786 NdisQueryPacket(pkt, NULL, NULL, &buf_desc, &len);
787 NdisQueryBufferSafe(buf_desc, &buf_star, &len, HighPagePriority);
789 precv_frame = rxmem_to_recvframe((unsigned char*)buf_star);
794 __inline static u8 *pkt_to_recvmem(_pkt *pkt)
796 // return the rx_head
798 union recv_frame * precv_frame = pkt_to_recvframe(pkt);
800 return precv_frame->u.hdr.rx_head;
804 __inline static u8 *pkt_to_recvdata(_pkt *pkt)
806 // return the rx_data
808 union recv_frame * precv_frame =pkt_to_recvframe(pkt);
810 return precv_frame->u.hdr.rx_data;
815 __inline static sint get_recvframe_len(union recv_frame *precvframe)
817 return precvframe->u.hdr.len;
821 __inline static s32 translate_percentage_to_dbm(u32 SignalStrengthIndex)
823 s32 SignalPower; // in dBm.
825 // Translate to dBm (x=0.5y-95).
826 SignalPower = (s32)((SignalStrengthIndex + 1) >> 1);
835 extern void _rtw_init_sta_recv_priv(struct sta_recv_priv *psta_recvpriv);
837 extern void mgt_dispatcher(_adapter *padapter, union recv_frame *precv_frame);