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
263 u32 MacIDValidEntry[2]; // 64 bits present 64 entry.
267 s8 rx_mimo_signal_qual[2];
272 struct phy_info phy_info;
276 //These definition is used for Rx packet reordering.
277 #define SN_LESS(a, b) (((a-b)&0x800)!=0)
278 #define SN_EQUAL(a, b) (a == b)
279 //#define REORDER_WIN_SIZE 128
280 //#define REORDER_ENTRY_NUM 128
281 #define REORDER_WAIT_TIME (50) // (ms)
283 #define RECVBUFF_ALIGN_SZ 8
285 #define RXDESC_SIZE 24
286 #define RXDESC_OFFSET RXDESC_SIZE
302 #ifdef CONFIG_PCI_HCI
311 #ifdef CONFIG_PCI_HCI
312 #define PCI_MAX_RX_QUEUE 1// MSDU packet queue, Rx Command Queue
313 #define PCI_MAX_RX_COUNT 128
316 struct recv_stat *desc;
319 struct sk_buff *rx_buf[PCI_MAX_RX_COUNT];
326 accesser of recv_priv: rtw_recv_entry(dispatch / passive level); recv_thread(passive) ; returnpkt(dispatch)
329 using enter_critical section to protect
335 #ifdef CONFIG_RECV_THREAD_MODE
337 _sema terminate_recvthread_sema;
340 //_queue blk_strms[MAX_RX_NUMBLKS]; // keeping the block ack frame until return ack
341 _queue free_recv_queue;
342 _queue recv_pending_queue;
343 _queue uc_swdec_pending_queue;
346 u8 *pallocated_frame_buf;
349 uint free_recvframe_cnt;
353 #ifdef PLATFORM_WINDOWS
354 _nic_hdl RxPktPoolHdl;
355 _nic_hdl RxBufPoolHdl;
357 #ifdef PLATFORM_OS_XP
360 uint counter; //record the number that up-layer will return to drv; only when counter==0 can we release recv_priv
361 NDIS_EVENT recv_resource_evt ;
370 uint rx_largepacket_crcerr;
371 uint rx_smallpacket_crcerr;
372 uint rx_middlepacket_crcerr;
374 #ifdef CONFIG_USB_HCI
375 //u8 *pallocated_urb_buf;
376 _sema allrxreturnevt;
380 #ifdef CONFIG_USB_INTERRUPT_IN_PIPE
381 #ifdef PLATFORM_LINUX
386 #endif //CONFIG_USB_INTERRUPT_IN_PIPE
389 #if defined(PLATFORM_LINUX) || defined(PLATFORM_FREEBSD)
390 #ifdef PLATFORM_FREEBSD
391 struct task irq_prepare_beacon_tasklet;
392 struct task recv_tasklet;
393 #else //PLATFORM_FREEBSD
394 struct tasklet_struct irq_prepare_beacon_tasklet;
395 struct tasklet_struct recv_tasklet;
396 #endif //PLATFORM_FREEBSD
397 struct sk_buff_head free_recv_skb_queue;
398 struct sk_buff_head rx_skb_queue;
399 #ifdef CONFIG_RX_INDICATE_QUEUE
400 struct task rx_indicate_tasklet;
401 struct ifqueue rx_indicate_queue;
402 #endif // CONFIG_RX_INDICATE_QUEUE
404 #endif //defined(PLATFORM_LINUX) || defined(PLATFORM_FREEBSD)
406 u8 *pallocated_recv_buf;
407 u8 *precv_buf; // 4 alignment
408 _queue free_recv_buf_queue;
409 u32 free_recv_buf_queue_cnt;
411 #if defined(CONFIG_SDIO_HCI) || defined(CONFIG_GSPI_HCI) || defined(CONFIG_USB_HCI)
412 _queue recv_buf_pending_queue;
415 #ifdef CONFIG_PCI_HCI
417 struct rtw_rx_ring rx_ring[PCI_MAX_RX_QUEUE];
422 //For display the phy informatiom
423 u8 is_signal_dbg; // for debug
424 u8 signal_strength_dbg; // for debug
428 s8 rssi; //translate_percentage_to_dbm(ptarget_wlan->network.PhyInfo.SignalStrength);
429 #ifdef DBG_RX_SIGNAL_DISPLAY_RAW_DATA
430 struct rx_raw_rssi raw_rssi_info;
436 //int FalseAlmCnt_all;
439 #ifdef CONFIG_NEW_SIGNAL_STAT_PROCESS
440 _timer signal_stat_timer;
441 u32 signal_stat_sampling_interval;
442 //u32 signal_stat_converging_constant;
443 struct signal_stat signal_qual_data;
444 struct signal_stat signal_strength_data;
445 #else //CONFIG_NEW_SIGNAL_STAT_PROCESS
446 struct smooth_rssi_data signal_qual_data;
447 struct smooth_rssi_data signal_strength_data;
448 #endif //CONFIG_NEW_SIGNAL_STAT_PROCESS
452 #ifdef CONFIG_NEW_SIGNAL_STAT_PROCESS
453 #define rtw_set_signal_stat_timer(recvpriv) _set_timer(&(recvpriv)->signal_stat_timer, (recvpriv)->signal_stat_sampling_interval)
454 #endif //CONFIG_NEW_SIGNAL_STAT_PROCESS
456 struct sta_recv_priv {
461 //_queue blk_strms[MAX_RX_NUMBLKS];
462 _queue defrag_q; //keeping the fragment frame until defrag
464 struct stainfo_rxcache rxcache;
492 #ifdef CONFIG_USB_HCI
494 #if defined(PLATFORM_OS_XP)||defined(PLATFORM_LINUX)||defined(PLATFORM_FREEBSD)
496 dma_addr_t dma_transfer_addr; /* (in) dma addr for transfer_buffer */
500 #ifdef PLATFORM_OS_XP
504 #ifdef PLATFORM_OS_CE
505 USB_TRANSFER usb_transfer_read_port;
513 #ifdef PLATFORM_LINUX
517 #ifdef PLATFORM_FREEBSD //skb solution
518 struct sk_buff *pskb;
520 #endif //PLATFORM_FREEBSD //skb solution
536 len = (unsigned int )(tail - data);
539 struct recv_frame_hdr
542 #ifndef CONFIG_BSD_RX_USE_MBUF
544 struct sk_buff *pkt_newalloc;
545 #else // CONFIG_BSD_RX_USE_MBUF
548 #endif // CONFIG_BSD_RX_USE_MBUF
556 struct rx_pkt_attrib attrib;
568 struct sta_info *psta;
570 //for A-MPDU Rx reordering buffer control
571 struct recv_reorder_ctrl *preorder_ctrl;
573 #ifdef CONFIG_WAPI_SUPPORT
577 u8 bWapiCheckPNInDecrypt;
588 struct recv_frame_hdr hdr;
589 uint mem[RECVFRAME_HDR_ALIGN>>2];
592 //uint mem[MAX_RXSZ>>2];
596 typedef enum _RX_PACKET_TYPE{
597 NORMAL_RX,//Normal rx packet
600 HIS_REPORT,// USB HISR RPT
602 }RX_PACKET_TYPE, *PRX_PACKET_TYPE;
604 extern union recv_frame *_rtw_alloc_recvframe (_queue *pfree_recv_queue); //get a free recv_frame from pfree_recv_queue
605 extern union recv_frame *rtw_alloc_recvframe (_queue *pfree_recv_queue); //get a free recv_frame from pfree_recv_queue
606 extern void rtw_init_recvframe(union recv_frame *precvframe ,struct recv_priv *precvpriv);
607 extern int rtw_free_recvframe(union recv_frame *precvframe, _queue *pfree_recv_queue);
609 #define rtw_dequeue_recvframe(queue) rtw_alloc_recvframe(queue)
610 extern int _rtw_enqueue_recvframe(union recv_frame *precvframe, _queue *queue);
611 extern int rtw_enqueue_recvframe(union recv_frame *precvframe, _queue *queue);
613 extern void rtw_free_recvframe_queue(_queue *pframequeue, _queue *pfree_recv_queue);
614 u32 rtw_free_uc_swdec_pending_queue(_adapter *adapter);
616 sint rtw_enqueue_recvbuf_to_head(struct recv_buf *precvbuf, _queue *queue);
617 sint rtw_enqueue_recvbuf(struct recv_buf *precvbuf, _queue *queue);
618 struct recv_buf *rtw_dequeue_recvbuf (_queue *queue);
620 void rtw_reordering_ctrl_timeout_handler(void *pcontext);
622 __inline static u8 *get_rxmem(union recv_frame *precvframe)
624 //always return rx_head...
628 return precvframe->u.hdr.rx_head;
631 __inline static u8 *get_rx_status(union recv_frame *precvframe)
634 return get_rxmem(precvframe);
638 __inline static u8 *get_recvframe_data(union recv_frame *precvframe)
641 //alwasy return rx_data
645 return precvframe->u.hdr.rx_data;
649 __inline static u8 *recvframe_push(union recv_frame *precvframe, sint sz)
651 // append data before rx_data
653 /* add data to the start of recv_frame
655 * This function extends the used data area of the recv_frame at the buffer
656 * start. rx_data must be still larger than rx_head, after pushing.
663 precvframe->u.hdr.rx_data -= sz ;
664 if( precvframe->u.hdr.rx_data < precvframe->u.hdr.rx_head )
666 precvframe->u.hdr.rx_data += sz ;
670 precvframe->u.hdr.len +=sz;
672 return precvframe->u.hdr.rx_data;
677 __inline static u8 *recvframe_pull(union recv_frame *precvframe, sint sz)
679 // rx_data += sz; move rx_data sz bytes hereafter
681 //used for extract sz bytes from rx_data, update rx_data and return the updated rx_data to the caller
688 precvframe->u.hdr.rx_data += sz;
690 if(precvframe->u.hdr.rx_data > precvframe->u.hdr.rx_tail)
692 precvframe->u.hdr.rx_data -= sz;
696 precvframe->u.hdr.len -=sz;
698 return precvframe->u.hdr.rx_data;
702 __inline static u8 *recvframe_put(union recv_frame *precvframe, sint sz)
704 // rx_tai += sz; move rx_tail sz bytes hereafter
706 //used for append sz bytes from ptr to rx_tail, update rx_tail and return the updated rx_tail to the caller
707 //after putting, rx_tail must be still larger than rx_end.
708 unsigned char * prev_rx_tail;
713 prev_rx_tail = precvframe->u.hdr.rx_tail;
715 precvframe->u.hdr.rx_tail += sz;
717 if(precvframe->u.hdr.rx_tail > precvframe->u.hdr.rx_end)
719 precvframe->u.hdr.rx_tail -= sz;
723 precvframe->u.hdr.len +=sz;
725 return precvframe->u.hdr.rx_tail;
731 __inline static u8 *recvframe_pull_tail(union recv_frame *precvframe, sint sz)
733 // rmv data from rx_tail (by yitsen)
735 //used for extract sz bytes from rx_end, update rx_end and return the updated rx_end to the caller
736 //after pulling, rx_end must be still larger than rx_data.
741 precvframe->u.hdr.rx_tail -= sz;
743 if(precvframe->u.hdr.rx_tail < precvframe->u.hdr.rx_data)
745 precvframe->u.hdr.rx_tail += sz;
749 precvframe->u.hdr.len -=sz;
751 return precvframe->u.hdr.rx_tail;
757 __inline static _buffer * get_rxbuf_desc(union recv_frame *precvframe)
763 #ifdef PLATFORM_WINDOWS
764 NdisQueryPacket(precvframe->u.hdr.pkt, NULL, NULL, &buf_desc, NULL);
771 __inline static union recv_frame *rxmem_to_recvframe(u8 *rxmem)
773 //due to the design of 2048 bytes alignment of recv_frame, we can reference the union recv_frame
774 //from any given member of recv_frame.
775 // rxmem indicates the any member/address in recv_frame
777 return (union recv_frame*)(((SIZE_PTR)rxmem >> RXFRAME_ALIGN) << RXFRAME_ALIGN);
781 __inline static union recv_frame *pkt_to_recvframe(_pkt *pkt)
785 union recv_frame * precv_frame;
786 #ifdef PLATFORM_WINDOWS
790 NdisQueryPacket(pkt, NULL, NULL, &buf_desc, &len);
791 NdisQueryBufferSafe(buf_desc, &buf_star, &len, HighPagePriority);
793 precv_frame = rxmem_to_recvframe((unsigned char*)buf_star);
798 __inline static u8 *pkt_to_recvmem(_pkt *pkt)
800 // return the rx_head
802 union recv_frame * precv_frame = pkt_to_recvframe(pkt);
804 return precv_frame->u.hdr.rx_head;
808 __inline static u8 *pkt_to_recvdata(_pkt *pkt)
810 // return the rx_data
812 union recv_frame * precv_frame =pkt_to_recvframe(pkt);
814 return precv_frame->u.hdr.rx_data;
819 __inline static sint get_recvframe_len(union recv_frame *precvframe)
821 return precvframe->u.hdr.len;
825 __inline static s32 translate_percentage_to_dbm(u32 SignalStrengthIndex)
827 s32 SignalPower; // in dBm.
829 #ifdef CONFIG_SKIP_SIGNAL_SCALE_MAPPING
830 // Translate to dBm (x=y-100)
831 SignalPower = SignalStrengthIndex - 100;
833 // Translate to dBm (x=0.5y-95).
834 SignalPower = (s32)((SignalStrengthIndex + 1) >> 1);
844 extern void _rtw_init_sta_recv_priv(struct sta_recv_priv *psta_recvpriv);
846 extern void mgt_dispatcher(_adapter *padapter, union recv_frame *precv_frame);