/* forward-declare the HW struct for the compiler */ struct i40e_hw;
/* HMC element context information */
/* Rx queue context data * * The sizes of the variables may be larger than needed due to crossing byte * boundaries. If we do not have the width of the variable set to the correct * size then we could end up shifting bits off the top of the variable when the * variable is at the top of a byte and crosses over into the next byte.
*/ struct i40e_hmc_obj_rxq {
u16 head;
u16 cpuid; /* bigger than needed, see above for reason */
u64 base;
u16 qlen; #define I40E_RXQ_CTX_DBUFF_SHIFT 7
u16 dbuff; /* bigger than needed, see above for reason */ #define I40E_RXQ_CTX_HBUFF_SHIFT 6
u16 hbuff; /* bigger than needed, see above for reason */
u8 dtype;
u8 dsize;
u8 crcstrip;
u8 fc_ena;
u8 l2tsel;
u8 hsplit_0;
u8 hsplit_1;
u8 showiv;
u32 rxmax; /* bigger than needed, see above for reason */
u8 tphrdesc_ena;
u8 tphwdesc_ena;
u8 tphdata_ena;
u8 tphhead_ena;
u16 lrxqthresh; /* bigger than needed, see above for reason */
u8 prefena; /* NOTE: normally must be set to 1 at init */
};
/* Tx queue context data * * The sizes of the variables may be larger than needed due to crossing byte * boundaries. If we do not have the width of the variable set to the correct * size then we could end up shifting bits off the top of the variable when the * variable is at the top of a byte and crosses over into the next byte.
*/ struct i40e_hmc_obj_txq {
u16 head;
u8 new_context;
u64 base;
u8 fc_ena;
u8 timesync_ena;
u8 fd_ena;
u8 alt_vlan_ena;
u16 thead_wb;
u8 cpuid;
u8 head_wb_ena;
u16 qlen;
u8 tphrdesc_ena;
u8 tphrpacket_ena;
u8 tphwdesc_ena;
u64 head_wb_addr;
u32 crc;
u16 rdylist;
u8 rdylist_act;
};
/* for hsplit_0 field of Rx HMC context */ enum i40e_hmc_obj_rx_hsplit_0 {
I40E_HMC_OBJ_RX_HSPLIT_0_NO_SPLIT = 0,
I40E_HMC_OBJ_RX_HSPLIT_0_SPLIT_L2 = 1,
I40E_HMC_OBJ_RX_HSPLIT_0_SPLIT_IP = 2,
I40E_HMC_OBJ_RX_HSPLIT_0_SPLIT_TCP_UDP = 4,
I40E_HMC_OBJ_RX_HSPLIT_0_SPLIT_SCTP = 8,
};
/* fcoe_cntx and fcoe_filt are for debugging purpose only */ struct i40e_hmc_obj_fcoe_cntx {
u32 rsv[32];
};
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