/****************************************************************************** * * Copyright(c) 2007 - 2017 Realtek Corporation. * * 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_ #define RTW_RX_MSDU_ACT_NONE 0 #define RTW_RX_MSDU_ACT_INDICATE BIT0 #define RTW_RX_MSDU_ACT_FORWARD BIT1 #ifdef CONFIG_SINGLE_RECV_BUF #define NR_RECVBUFF (1) #else #if defined(CONFIG_GSPI_HCI) #define NR_RECVBUFF (32) #elif defined(CONFIG_SDIO_HCI) #define NR_RECVBUFF (8) #else #define NR_RECVBUFF (8) #endif #endif /* CONFIG_SINGLE_RECV_BUF */ #ifdef CONFIG_PREALLOC_RX_SKB_BUFFER #define NR_PREALLOC_RECV_SKB (rtw_rtkm_get_nr_recv_skb()>>1) #else /*!CONFIG_PREALLOC_RX_SKB_BUFFER */ #define NR_PREALLOC_RECV_SKB 8 #endif /* CONFIG_PREALLOC_RX_SKB_BUFFER */ #ifdef CONFIG_RTW_NAPI #define RTL_NAPI_WEIGHT (32) #endif #if defined(CONFIG_RTL8821C) && defined(CONFIG_SDIO_HCI) && defined(CONFIG_RECV_THREAD_MODE) #ifdef NR_RECVBUFF #undef NR_RECVBUFF #define NR_RECVBUFF (32) #endif #endif #define NR_RECVFRAME 256 #define RXFRAME_ALIGN 8 #define RXFRAME_ALIGN_SZ (1<mesh_ctrl_len) #else #define RATTRIB_GET_MCTRL_LEN(rattrib) 0 #endif /* 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) */ #if defined(CONFIG_PLATFORM_RTK390X) && defined(CONFIG_USB_HCI) #define RECVBUFF_ALIGN_SZ 32 #else #define RECVBUFF_ALIGN_SZ 8 #endif #ifdef CONFIG_TRX_BD_ARCH #define RX_WIFI_INFO_SIZE 24 #elif (defined(CONFIG_RTL8192E) || defined(CONFIG_RTL8814A) || defined(CONFIG_RTL8822B)) && defined(CONFIG_PCI_HCI) #define RXBD_SIZE sizeof(struct recv_stat) #endif #define RXDESC_SIZE 24 #define RXDESC_OFFSET RXDESC_SIZE #ifdef CONFIG_TRX_BD_ARCH struct rx_buf_desc { /* RX has exactly one segment */ #ifdef CONFIG_64BIT_DMA unsigned int dword[4]; #else unsigned int dword[2]; #endif }; struct recv_stat { unsigned int rxdw[8]; }; #else struct recv_stat { unsigned int rxdw0; unsigned int rxdw1; #if !((defined(CONFIG_RTL8192E) || defined(CONFIG_RTL8814A) || defined(CONFIG_RTL8822B) || defined(CONFIG_RTL8821C) || defined(CONFIG_RTL8822C)) && defined(CONFIG_PCI_HCI)) /* exclude 8192ee, 8814ae, 8822be, 8821ce */ unsigned int rxdw2; unsigned int rxdw3; #endif #ifndef BUF_DESC_ARCH unsigned int rxdw4; unsigned int rxdw5; #ifdef CONFIG_PCI_HCI unsigned int rxdw6; unsigned int rxdw7; #endif #endif /* if BUF_DESC_ARCH is defined, rx_buf_desc occupy 4 double words */ }; #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 #ifdef CONFIG_TRX_BD_ARCH #define RX_BD_NUM PCI_MAX_RX_COUNT /* alias */ #endif struct rtw_rx_ring { #ifdef CONFIG_TRX_BD_ARCH struct rx_buf_desc *buf_desc; #else struct recv_stat *desc; #endif 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 */ #ifndef DBG_RX_BH_TRACKING #define DBG_RX_BH_TRACKING 0 #endif struct recv_priv { _lock lock; #ifdef CONFIG_RECV_THREAD_MODE _sema recv_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; #if DBG_RX_BH_TRACKING u32 rx_bh_stage; u32 rx_bh_buf_dq_cnt; void *rx_bh_lbuf; void *rx_bh_cbuf; void *rx_bh_cbuf_data; u32 rx_bh_cbuf_dlen; u32 rx_bh_cbuf_pos; void *rx_bh_cframe; #endif _adapter *adapter; u32 is_any_non_be_pkts; u64 rx_bytes; u64 rx_pkts; u64 rx_drop; u64 dbg_rx_drop_count; u64 dbg_rx_ampdu_drop_count; u64 dbg_rx_ampdu_forced_indicate_count; u64 dbg_rx_ampdu_loss_count; u64 dbg_rx_dup_mgt_frame_drop_count; u64 dbg_rx_ampdu_window_shift_cnt; u64 dbg_rx_conflic_mac_addr_cnt; 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; ATOMIC_T 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) _tasklet irq_prepare_beacon_tasklet; _tasklet recv_tasklet; struct sk_buff_head free_recv_skb_queue; struct sk_buff_head rx_skb_queue; #ifdef CONFIG_RTW_NAPI struct sk_buff_head rx_napi_skb_queue; #endif #ifdef CONFIG_RX_INDICATE_QUEUE _tasklet rx_indicate_tasklet; struct ifqueue rx_indicate_queue; #endif /* CONFIG_RX_INDICATE_QUEUE */ #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) || defined(CONFIG_USB_HCI) _queue recv_buf_pending_queue; #endif #ifdef CONFIG_PCI_HCI /* Rx */ struct rtw_rx_ring rx_ring[PCI_MAX_RX_QUEUE]; int rxringcount; /* size should be PCI_MAX_RX_QUEUE */ u32 rxbuffersize; #endif /* 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); */ struct rx_raw_rssi raw_rssi_info; /* s8 rxpwdb; */ /* 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 */ u16 sink_udpport, pre_rtp_rxseq, cur_rtp_rxseq; BOOLEAN store_law_data_flag; }; #define RX_BH_STG_UNKNOWN 0 #define RX_BH_STG_HDL_ENTER 1 #define RX_BH_STG_HDL_EXIT 2 #define RX_BH_STG_NEW_BUF 3 #define RX_BH_STG_NEW_FRAME 4 #define RX_BH_STG_NORMAL_RX 5 #define RX_BH_STG_NORMAL_RX_END 6 #define RX_BH_STG_C2H 7 #define RX_BH_STG_C2H_END 8 #if DBG_RX_BH_TRACKING void rx_bh_tk_set_stage(struct recv_priv *recv, u32 s); void rx_bh_tk_set_buf(struct recv_priv *recv, void *buf, void *data, u32 dlen); void rx_bh_tk_set_buf_pos(struct recv_priv *recv, void *pos); void rx_bh_tk_set_frame(struct recv_priv *recv, void *frame); void dump_rx_bh_tk(void *sel, struct recv_priv *recv); #else #define rx_bh_tk_set_stage(recv, s) do {} while (0) #define rx_bh_tk_set_buf(recv, buf, data, dlen) do {} while (0) #define rx_bh_tk_set_buf_pos(recv, pos) do {} while (0) #define rx_bh_tk_set_frame(recv, frame) do {} while (0) #define dump_rx_bh_tk(sel, recv) do {} while (0) #endif #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; u16 bmc_tid_rxseq[16]; u16 nonqos_rxseq; u16 nonqos_bmc_rxseq; /* 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 PURB purb; dma_addr_t dma_transfer_addr; /* (in) dma addr for transfer_buffer */ u32 alloc_sz; u8 irp_pending; int transfer_len; #endif #if defined(PLATFORM_LINUX) _pkt *pskb; #elif defined(PLATFORM_FREEBSD) /* skb solution */ struct sk_buff *pskb; #endif }; /* head -----> data -----> payload tail -----> end -----> len = (unsigned int )(tail - data); */ struct recv_frame_hdr { _list list; _pkt *pkt; _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]; */ }; bool rtw_rframe_del_wfd_ie(union recv_frame *rframe, u8 ies_offset); typedef enum _RX_PACKET_TYPE { NORMAL_RX,/* Normal rx packet */ TX_REPORT1,/* CCX */ TX_REPORT2,/* TX RPT */ HIS_REPORT,/* USB HISR RPT */ C2H_PACKET } RX_PACKET_TYPE, *PRX_PACKET_TYPE; 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); #if defined(CONFIG_80211N_HT) && defined(CONFIG_RECV_REORDERING_CTRL) void rtw_reordering_ctrl_timeout_handler(void *pcontext); #endif void rx_query_phy_status(union recv_frame *rframe, u8 *phy_stat); int rtw_inc_and_chk_continual_no_rx_packet(struct sta_info *sta, int tid_index); void rtw_reset_continual_no_rx_packet(struct sta_info *sta, int tid_index); #ifdef CONFIG_RECV_THREAD_MODE thread_return rtw_recv_thread(thread_context context); #endif __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; /* RTW_INFO("recvframe_put: len=%d\n", sz); */ 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 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; 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=y-100) */ SignalPower = SignalStrengthIndex - 100; 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); u8 adapter_allow_bmc_data_rx(_adapter *adapter); s32 pre_recv_entry(union recv_frame *precvframe, u8 *pphy_status); void count_rx_stats(_adapter *padapter, union recv_frame *prframe, struct sta_info *sta); #endif