diff options
Diffstat (limited to 'drivers/net/ethernet/intel/ice/ice_txrx.h')
| -rw-r--r-- | drivers/net/ethernet/intel/ice/ice_txrx.h | 32 |
1 files changed, 20 insertions, 12 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_txrx.h b/drivers/net/ethernet/intel/ice/ice_txrx.h index 75d0eaf6c9dd..fc358ea81816 100644 --- a/drivers/net/ethernet/intel/ice/ice_txrx.h +++ b/drivers/net/ethernet/intel/ice/ice_txrx.h @@ -116,16 +116,17 @@ enum ice_rx_dtype { /* indices into GLINT_ITR registers */ #define ICE_RX_ITR ICE_IDX_ITR0 #define ICE_TX_ITR ICE_IDX_ITR1 -#define ICE_ITR_DYNAMIC 0x8000 /* use top bit as a flag */ -#define ICE_ITR_8K 125 +#define ICE_ITR_8K 124 #define ICE_ITR_20K 50 -#define ICE_DFLT_TX_ITR ICE_ITR_20K -#define ICE_DFLT_RX_ITR ICE_ITR_20K -/* apply ITR granularity translation to program the register. itr_gran is either - * 2 or 4 usecs so we need to divide by 2 first then shift by that value - */ -#define ITR_TO_REG(val, itr_gran) (((val) & ~ICE_ITR_DYNAMIC) >> \ - ((itr_gran) / 2)) +#define ICE_ITR_MAX 8160 +#define ICE_DFLT_TX_ITR (ICE_ITR_20K | ICE_ITR_DYNAMIC) +#define ICE_DFLT_RX_ITR (ICE_ITR_20K | ICE_ITR_DYNAMIC) +#define ICE_ITR_DYNAMIC 0x8000 /* used as flag for itr_setting */ +#define ITR_IS_DYNAMIC(setting) (!!((setting) & ICE_ITR_DYNAMIC)) +#define ITR_TO_REG(setting) ((setting) & ~ICE_ITR_DYNAMIC) +#define ICE_ITR_GRAN_S 1 /* Assume ITR granularity is 2us */ +#define ICE_ITR_MASK 0x1FFE /* ITR register value alignment mask */ +#define ITR_REG_ALIGN(setting) __ALIGN_MASK(setting, ~ICE_ITR_MASK) #define ICE_DFLT_INTRL 0 @@ -180,13 +181,20 @@ enum ice_latency_range { }; struct ice_ring_container { - /* array of pointers to rings */ + /* head of linked-list of rings */ struct ice_ring *ring; + unsigned long next_update; /* jiffies value of next queue update */ unsigned int total_bytes; /* total bytes processed this int */ unsigned int total_pkts; /* total packets processed this int */ enum ice_latency_range latency_range; - int itr_idx; /* index in the interrupt vector */ - u16 itr; + int itr_idx; /* index in the interrupt vector */ + u16 target_itr; /* value in usecs divided by the hw->itr_gran */ + u16 current_itr; /* value in usecs divided by the hw->itr_gran */ + /* high bit set means dynamic ITR, rest is used to store user + * readable ITR value in usecs and must be converted before programming + * to a register. + */ + u16 itr_setting; }; /* iterator for handling rings in ring container */ |