diff options
Diffstat (limited to 'drivers/net/ethernet/intel/ice/ice_txrx.h')
| -rw-r--r-- | drivers/net/ethernet/intel/ice/ice_txrx.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_txrx.h b/drivers/net/ethernet/intel/ice/ice_txrx.h new file mode 100644 index 000000000000..7ceb69ea745e --- /dev/null +++ b/drivers/net/ethernet/intel/ice/ice_txrx.h @@ -0,0 +1,29 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* Copyright (c) 2018, Intel Corporation. */ + +#ifndef _ICE_TXRX_H_ +#define _ICE_TXRX_H_ + +#define ICE_DFLT_IRQ_WORK 256 + +/* this enum matches hardware bits and is meant to be used by DYN_CTLN + * registers and QINT registers or more generally anywhere in the manual + * mentioning ITR_INDX, ITR_NONE cannot be used as an index 'n' into any + * register but instead is a special value meaning "don't update" ITR0/1/2. + */ +enum ice_dyn_idx_t { + ICE_IDX_ITR0 = 0, + ICE_IDX_ITR1 = 1, + ICE_IDX_ITR2 = 2, + ICE_ITR_NONE = 3 /* ITR_NONE must not be used as an index */ +}; + +/* indices into GLINT_ITR registers */ +#define ICE_RX_ITR ICE_IDX_ITR0 +#define ICE_ITR_DYNAMIC 0x8000 /* use top bit as a flag */ +#define ICE_ITR_8K 0x003E + +/* apply ITR HW granularity translation to program the HW registers */ +#define ITR_TO_REG(val, itr_gran) (((val) & ~ICE_ITR_DYNAMIC) >> (itr_gran)) + +#endif /* _ICE_TXRX_H_ */ |