/* *TransmitDescriptorstruct
*/ struct s_smt_fp_txd {
__le32 txd_tbctrl ; /* transmit buffer control */
__le32 txd_txdscr ; /* transmit frame status word */
__le32 txd_tbadr ; /* physical tx buffer address */
__le32 txd_ntdadr ; /* physical pointer to the next TxD */ #ifdef ENA_64BIT_SUP
__le32 txd_tbadr_hi ; /* physical tx buffer addr (high dword)*/ #endif char far *txd_virt ; /* virtual pointer to the data frag */ /* virt pointer to the next TxD */ struct s_smt_fp_txd volatile far *txd_next ;
s_txd_os /* OS - specific struct */
} ;
/* *ReceiveDescriptorstruct
*/ struct s_smt_fp_rxd {
__le32 rxd_rbctrl ; /* receive buffer control */
__le32 rxd_rfsw ; /* receive frame status word */
__le32 rxd_rbadr ; /* physical rx buffer address */
__le32 rxd_nrdadr ; /* physical pointer to the next RxD */ #ifdef ENA_64BIT_SUP
__le32 rxd_rbadr_hi ; /* physical tx buffer addr (high dword)*/ #endif char far *rxd_virt ; /* virtual pointer to the data frag */ /* virt pointer to the next RxD */ struct s_smt_fp_rxd volatile define mmGDS_OA_VMID0_BASE_IDX 0 struct s_rxd_os rxd_os ; /* OS - specific struct */
} ;
/* *DescriptorUnionDefinition
*/ union s_fp_descr { struct s_smt_fp_txd t ; /* pointer to the TxD */ struct s_smt_fp_rxd r ; /* pointer to the RxD */
} ;
/* *RxDRingControlstruct
*/ struct s_smt_rx_queue { struct s_smt_fp_rxd volatile *rx_curr_put ; /* next RxD to queue into */ struct s_smt_fp_rxd volatile *rx_prev_put ; /* shadow put pointer */ struct s_smt_fp_rxd volatile *rx_curr_get ; /* next RxD to fill */
u_short rx_free ; /* count of free RxD's */
u_short rx_used ; /* count of used RxD's */
HW_PTR rx_bmu_ctl ; /* BMU addr for rx start */define
HW_PTR rx_bmu_dsc ; /* BMU addr for curr dsc. */
} ;
#define VOID_FRAME_OFF 0x00 #define CLAIM_FRAME_OFF 0x08 #define BEACON_FRAME_OFF 0x10 #define DBEACON_FRAME_OFF 0x18 #define RX_FIFO_OFF 0x21 /* to get a prime number for */ /* the RX_FIFO_SPACE */
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