diff options
Diffstat (limited to 'drivers/net/wireless/rtlwifi/rtl8723as/include/rtw_recv.h')
| -rwxr-xr-x | drivers/net/wireless/rtlwifi/rtl8723as/include/rtw_recv.h | 758 |
1 files changed, 758 insertions, 0 deletions
diff --git a/drivers/net/wireless/rtlwifi/rtl8723as/include/rtw_recv.h b/drivers/net/wireless/rtlwifi/rtl8723as/include/rtw_recv.h new file mode 100755 index 000000000000..97ffea34a063 --- /dev/null +++ b/drivers/net/wireless/rtlwifi/rtl8723as/include/rtw_recv.h @@ -0,0 +1,758 @@ +/****************************************************************************** + * + * 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. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA + * + * + ******************************************************************************/ +#ifndef _RTW_RECV_H_ +#define _RTW_RECV_H_ + +#include <drv_conf.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) + +static u8 SNAP_ETH_TYPE_IPX[2] = {0x81, 0x37}; + +static u8 SNAP_ETH_TYPE_APPLETALK_AARP[2] = {0x80, 0xf3}; +static u8 SNAP_ETH_TYPE_APPLETALK_DDP[2] = {0x80, 0x9b}; +static u8 SNAP_ETH_TYPE_TDLS[2] = {0x89, 0x0d}; +static u8 SNAP_HDR_APPLETALK_DDP[3] = {0x08, 0x00, 0x07}; // Datagram Delivery Protocol + +static u8 oui_8021h[] = {0x00, 0x00, 0xf8}; +static u8 oui_rfc1042[]= {0x00,0x00,0x00}; + +#define MAX_SUBFRAME_COUNT 64 +static u8 rtw_rfc1042_header[] = +{ 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 }; +/* Bridge-Tunnel header (for EtherTypes ETH_P_AARP and ETH_P_IPX) */ +static u8 rtw_bridge_tunnel_header[] = +{ 0xaa, 0xaa, 0x03, 0x00, 0x00, 0xf8 }; + +//for Rx reordering buffer control +struct recv_reorder_ctrl +{ + _adapter *padapter; + u8 enable; + u16 indicate_seq;//=wstart_b, init_value=0xffff + u16 wend_b; + u8 wsize_b; + _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 +}; +/* +#define MAX_PATH_NUM_92CS 2 + +typedef struct _ODM_Phy_Status_Info_ +{ + u1Byte RxPWDBAll; + u1Byte SignalQuality; // in 0-100 index. + u1Byte RxMIMOSignalQuality[MAX_PATH_NUM_92CS]; //EVM + u1Byte RxMIMOSignalStrength[MAX_PATH_NUM_92CS];// in 0~100 index +#if (DM_ODM_SUPPORT_TYPE & (ODM_MP|ODM_CE)) + s1Byte RxPower; // in dBm Translate from PWdB + s1Byte RecvSignalPower;// Real power in dBm for this packet, no beautification and aggregation. Keep this raw info to be used for the other procedures. + u1Byte BTRxRSSIPercentage; + u1Byte SignalStrength; // in 0-100 index. + u1Byte RxPwr[MAX_PATH_NUM_92CS];//per-path's pwdb +#endif + u1Byte RxSNR[MAX_PATH_NUM_92CS];//per-path's SNR +}ODM_PHY_INFO_T,*PODM_PHY_INFO_T; +*/ + +#define MAX_PATH_NUM_92CS 2 +struct phy_info //ODM_PHY_INFO_T +{ + 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 +//#if (DM_ODM_SUPPORT_TYPE & (ODM_MP|ODM_CE)) + 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. + u8 RxPwr[MAX_PATH_NUM_92CS];//per-path's pwdb + u8 RxSNR[MAX_PATH_NUM_92CS];//per-path's SNR +//#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 mcs_rate; + u8 rxht; + 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 +{ + unsigned int rxdw0; + + unsigned int rxdw1; + + unsigned int rxdw2; + + unsigned int rxdw3; + + unsigned int rxdw4; + + unsigned int rxdw5; + +#ifdef CONFIG_PCI_HCI + unsigned int rxdw6; + + unsigned int rxdw7; +#endif +}; + +#define EOR BIT(30) + +#ifdef CONFIG_PCI_HCI +#define PCI_MAX_RX_QUEUE 1// MSDU packet queue, Rx Command Queue +#define PCI_MAX_RX_COUNT 128 + +struct rtw_rx_ring { + struct recv_stat *desc; + dma_addr_t dma; + unsigned int idx; + struct sk_buff *rx_buf[PCI_MAX_RX_COUNT]; +}; +#endif + +/* +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; + +#ifdef CONFIG_RECV_THREAD_MODE + _sema recv_sema; + _sema terminate_recvthread_sema; +#endif + + //_queue blk_strms[MAX_RX_NUMBLKS]; // keeping the block ack frame until return ack + _queue free_recv_queue; + _queue recv_pending_queue; + _queue uc_swdec_pending_queue; + + + u8 *pallocated_frame_buf; + u8 *precv_frame_buf; + + uint free_recvframe_cnt; + + _adapter *adapter; + +#ifdef PLATFORM_WINDOWS + _nic_hdl RxPktPoolHdl; + _nic_hdl RxBufPoolHdl; + +#ifdef PLATFORM_OS_XP + PMDL pbytecnt_mdl; +#endif + uint counter; //record the number that up-layer will return to drv; only when counter==0 can we release recv_priv + NDIS_EVENT recv_resource_evt ; +#endif + + u32 bIsAnyNonBEPkts; + u64 rx_bytes; + u64 rx_pkts; + u64 rx_drop; + u64 last_rx_bytes; + + uint rx_icv_err; + uint rx_largepacket_crcerr; + uint rx_smallpacket_crcerr; + uint rx_middlepacket_crcerr; + +#ifdef CONFIG_USB_HCI + //u8 *pallocated_urb_buf; + _sema allrxreturnevt; + uint ff_hwaddr; + u8 rx_pending_cnt; + +#ifdef CONFIG_USB_INTERRUPT_IN_PIPE +#ifdef PLATFORM_LINUX + PURB int_in_urb; +#endif + + u8 *int_in_buf; +#endif //CONFIG_USB_INTERRUPT_IN_PIPE + +#endif +#if defined(PLATFORM_LINUX) || defined(PLATFORM_FREEBSD) +#ifdef PLATFORM_FREEBSD + struct task irq_prepare_beacon_tasklet; + struct task recv_tasklet; +#else //PLATFORM_FREEBSD + struct tasklet_struct irq_prepare_beacon_tasklet; + struct tasklet_struct recv_tasklet; +#endif //PLATFORM_FREEBSD + 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 + +#ifdef CONFIG_USE_USB_BUFFER_ALLOC_RX + _queue recv_buf_pending_queue; +#endif // CONFIG_USE_USB_BUFFER_ALLOC_RX +#endif //defined(PLATFORM_LINUX) || defined(PLATFORM_FREEBSD) + + u8 *pallocated_recv_buf; + u8 *precv_buf; // 4 alignment + _queue free_recv_buf_queue; + u32 free_recv_buf_queue_cnt; + +#if defined(CONFIG_SDIO_HCI) || defined(CONFIG_GSPI_HCI) + _queue recv_buf_pending_queue; +#endif + +#ifdef CONFIG_PCI_HCI + // Rx + struct rtw_rx_ring rx_ring[PCI_MAX_RX_QUEUE]; + int rxringcount; + u16 rxbuffersize; +#endif + + //For display the phy informatiom + u8 is_signal_dbg; // for debug + u8 signal_strength_dbg; // for debug + s8 rssi; + s8 rxpwdb; + u8 signal_strength; + u8 signal_qual; + u8 noise; + int RxSNRdB[2]; + s8 RxRssi[2]; + int FalseAlmCnt_all; + +#ifdef CONFIG_NEW_SIGNAL_STAT_PROCESS + _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; +#else //CONFIG_NEW_SIGNAL_STAT_PROCESS + struct smooth_rssi_data signal_qual_data; + struct smooth_rssi_data signal_strength_data; +#endif //CONFIG_NEW_SIGNAL_STAT_PROCESS + +}; + +#ifdef CONFIG_NEW_SIGNAL_STAT_PROCESS +#define rtw_set_signal_stat_timer(recvpriv) _set_timer(&(recvpriv)->signal_stat_timer, (recvpriv)->signal_stat_sampling_interval) +#endif //CONFIG_NEW_SIGNAL_STAT_PROCESS + +struct sta_recv_priv { + + _lock lock; + sint option; + + //_queue blk_strms[MAX_RX_NUMBLKS]; + _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 +{ + _list list; + + _lock recvbuf_lock; + + u32 ref_cnt; + + PADAPTER adapter; + + u8 *pbuf; + u8 *pallocated_buf; + + u32 len; + u8 *phead; + u8 *pdata; + u8 *ptail; + u8 *pend; + +#ifdef CONFIG_USB_HCI + + #if defined(PLATFORM_OS_XP)||defined(PLATFORM_LINUX)||defined(PLATFORM_FREEBSD) + PURB purb; + dma_addr_t dma_transfer_addr; /* (in) dma addr for transfer_buffer */ + u32 alloc_sz; + #endif + + #ifdef PLATFORM_OS_XP + PIRP pirp; + #endif + + #ifdef PLATFORM_OS_CE + USB_TRANSFER usb_transfer_read_port; + #endif + + u8 irp_pending; + int transfer_len; + +#endif + +#ifdef PLATFORM_LINUX + _pkt *pskb; + u8 reuse; +#endif +#ifdef PLATFORM_FREEBSD //skb solution + struct sk_buff *pskb; + u8 reuse; +#endif //PLATFORM_FREEBSD //skb solution +}; + + +/* + head -----> + + data -----> + + payload + + tail -----> + + + end -----> + + len = (unsigned int )(tail - data); + +*/ +struct recv_frame_hdr +{ + _list 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 + + _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; + +#ifdef CONFIG_WAPI_SUPPORT + u8 UserPriority; + u8 WapiTempPN[16]; + u8 WapiSrcAddr[6]; + u8 bWapiCheckPNInDecrypt; + u8 bIsWaiPacket; +#endif + +}; + + +union recv_frame{ + + union{ + _list list; + struct recv_frame_hdr hdr; + uint mem[RECVFRAME_HDR_ALIGN>>2]; + }u; + + //uint mem[MAX_RXSZ>>2]; + +}; + + +extern union recv_frame *_rtw_alloc_recvframe (_queue *pfree_recv_queue); //get a free recv_frame from pfree_recv_queue +extern union recv_frame *rtw_alloc_recvframe (_queue *pfree_recv_queue); //get a free recv_frame from pfree_recv_queue +extern void rtw_init_recvframe(union recv_frame *precvframe ,struct recv_priv *precvpriv); +extern int rtw_free_recvframe(union recv_frame *precvframe, _queue *pfree_recv_queue); + +#define rtw_dequeue_recvframe(queue) rtw_alloc_recvframe(queue) +extern int _rtw_enqueue_recvframe(union recv_frame *precvframe, _queue *queue); +extern int rtw_enqueue_recvframe(union recv_frame *precvframe, _queue *queue); + +extern void rtw_free_recvframe_queue(_queue *pframequeue, _queue *pfree_recv_queue); +u32 rtw_free_uc_swdec_pending_queue(_adapter *adapter); + +sint rtw_enqueue_recvbuf_to_head(struct recv_buf *precvbuf, _queue *queue); +sint rtw_enqueue_recvbuf(struct recv_buf *precvbuf, _queue *queue); +struct recv_buf *rtw_dequeue_recvbuf (_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_rx_status(union recv_frame *precvframe) +{ + + return get_rxmem(precvframe); + +} + +__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_push(union recv_frame *precvframe, sint sz) +{ + // append data before rx_data + + /* add data to the start of recv_frame + * + * This function extends the used data area of the recv_frame at the buffer + * start. rx_data must be still larger than rx_head, after pushing. + */ + + if(precvframe==NULL) + return NULL; + + + precvframe->u.hdr.rx_data -= sz ; + if( precvframe->u.hdr.rx_data < precvframe->u.hdr.rx_head ) + { + precvframe->u.hdr.rx_data += sz ; + return NULL; + } + + precvframe->u.hdr.len +=sz; + + 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 -= sz; + 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 _buffer * get_rxbuf_desc(union recv_frame *precvframe) +{ + _buffer * buf_desc; + + if(precvframe==NULL) + return NULL; +#ifdef PLATFORM_WINDOWS + NdisQueryPacket(precvframe->u.hdr.pkt, NULL, NULL, &buf_desc, NULL); +#endif + + return buf_desc; +} + + +__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 union recv_frame *pkt_to_recvframe(_pkt *pkt) +{ + + u8 * buf_star; + union recv_frame * precv_frame; +#ifdef PLATFORM_WINDOWS + _buffer * buf_desc; + uint len; + + NdisQueryPacket(pkt, NULL, NULL, &buf_desc, &len); + NdisQueryBufferSafe(buf_desc, &buf_star, &len, HighPagePriority); +#endif + precv_frame = rxmem_to_recvframe((unsigned char*)buf_star); + + return precv_frame; +} + +__inline static u8 *pkt_to_recvmem(_pkt *pkt) +{ + // return the rx_head + + union recv_frame * precv_frame = pkt_to_recvframe(pkt); + + return precv_frame->u.hdr.rx_head; + +} + +__inline static u8 *pkt_to_recvdata(_pkt *pkt) +{ + // return the rx_data + + union recv_frame * precv_frame =pkt_to_recvframe(pkt); + + return precv_frame->u.hdr.rx_data; + +} + + +__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. + + // 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(_adapter *padapter, union recv_frame *precv_frame); + +#endif + |