drivers/staging/rtl8712/rtl8712_recv.h

   1 #ifndef _RTL8712_RECV_H_
   2 #define _RTL8712_RECV_H_
   3
   4 #include "osdep_service.h"
   5 #include "drv_types.h"
   6
   7 #define NR_RECVBUFF (8)
   8 #define NR_PREALLOC_RECV_SKB (8)
   9 #define RXDESC_SIZE     24
  10 #define RXDESC_OFFSET RXDESC_SIZE
  11 #define RECV_BLK_SZ 512
  12 #define RECV_BLK_CNT 16
  13 #define RECV_BLK_TH RECV_BLK_CNT
  14 #define MAX_RECVBUF_SZ (30720) /* 30K */
  15 #define RECVBUFF_ALIGN_SZ 512
  16 #define RSVD_ROOM_SZ (0)
  17 /*These definition is used for Rx packet reordering.*/
  18 #define SN_LESS(a, b)           (((a-b) & 0x800) != 0)
  19 #define SN_EQUAL(a, b)  (a == b)
  20 #define REORDER_WAIT_TIME       30 /* (ms)*/
  21
  22 struct recv_stat {
  23         unsigned int rxdw0;
  24         unsigned int rxdw1;
  25         unsigned int rxdw2;
  26         unsigned int rxdw3;
  27         unsigned int rxdw4;
  28         unsigned int rxdw5;
  29 };
  30
  31 struct phy_cck_rx_status {
  32         /* For CCK rate descriptor. This is a unsigned 8:1 variable.
  33          * LSB bit present 0.5. And MSB 7 bts present a signed value.
  34          * Range from -64~+63.5. */
  35         u8      adc_pwdb_X[4];
  36         u8      sq_rpt;
  37         u8      cck_agc_rpt;
  38 };
  39
  40 struct phy_stat {
  41         unsigned int phydw0;
  42         unsigned int phydw1;
  43         unsigned int phydw2;
  44         unsigned int phydw3;
  45         unsigned int phydw4;
  46         unsigned int phydw5;
  47         unsigned int phydw6;
  48         unsigned int phydw7;
  49 };
  50 #define PHY_STAT_GAIN_TRSW_SHT 0
  51 #define PHY_STAT_PWDB_ALL_SHT 4
  52 #define PHY_STAT_CFOSHO_SHT 5
  53 #define PHY_STAT_CCK_AGC_RPT_SHT 5
  54 #define PHY_STAT_CFOTAIL_SHT 9
  55 #define PHY_STAT_RXEVM_SHT 13
  56 #define PHY_STAT_RXSNR_SHT 15
  57 #define PHY_STAT_PDSNR_SHT 19
  58 #define PHY_STAT_CSI_CURRENT_SHT 21
  59 #define PHY_STAT_CSI_TARGET_SHT 23
  60 #define PHY_STAT_SIGEVM_SHT 25
  61 #define PHY_STAT_MAX_EX_PWR_SHT 26
  62
  63 union recvstat {
  64         struct recv_stat recv_stat;
  65         unsigned int value[RXDESC_SIZE>>2];
  66 };
  67
  68
  69 struct recv_buf {
  70         struct list_head list;
  71         spinlock_t recvbuf_lock;
  72         u32     ref_cnt;
  73         struct _adapter  *adapter;
  74         struct urb *purb;
  75         _pkt *pskb;
  76         u8 reuse;
  77         u8  irp_pending;
  78         u32  transfer_len;
  79         uint  len;
  80         u8 *phead;
  81         u8 *pdata;
  82         u8 *ptail;
  83         u8 *pend;
  84         u8 *pbuf;
  85         u8 *pallocated_buf;
  86 };
  87
  88 /*
  89         head  ----->
  90                 data  ----->
  91                         payload
  92                 tail  ----->
  93         end   ----->
  94         len = (unsigned int )(tail - data);
  95 */
  96 struct recv_frame_hdr {
  97         struct list_head list;
  98         _pkt    *pkt;
  99         _pkt *pkt_newalloc;
 100         struct _adapter  *adapter;
 101         u8 fragcnt;
 102         struct rx_pkt_attrib attrib;
 103         uint  len;
 104         u8 *rx_head;
 105         u8 *rx_data;
 106         u8 *rx_tail;
 107         u8 *rx_end;
 108         void *precvbuf;
 109         struct sta_info *psta;
 110         /*for A-MPDU Rx reordering buffer control*/
 111         struct recv_reorder_ctrl *preorder_ctrl;
 112 };
 113
 114 union recv_frame {
 115         union {
 116                 struct list_head list;
 117                 struct recv_frame_hdr hdr;
 118                 addr_t mem[RECVFRAME_HDR_ALIGN>>2];
 119         } u;
 120 };
 121
 122 int r8712_init_recvbuf(struct _adapter *padapter, struct recv_buf *precvbuf);
 123 void r8712_rxcmd_event_hdl(struct _adapter *padapter, void *prxcmdbuf);
 124 s32 r8712_signal_scale_mapping(s32 cur_sig);
 125 void r8712_reordering_ctrl_timeout_handler(void *pcontext);
 126
 127 #endif
 128