diff options
Diffstat (limited to 'drivers/net/ethernet/intel/i40evf/i40e_txrx.h')
| -rw-r--r-- | drivers/net/ethernet/intel/i40evf/i40e_txrx.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/i40evf/i40e_txrx.h b/drivers/net/ethernet/intel/i40evf/i40e_txrx.h index 0c13ece00366..c4f5a4eb2907 100644 --- a/drivers/net/ethernet/intel/i40evf/i40e_txrx.h +++ b/drivers/net/ethernet/intel/i40evf/i40e_txrx.h @@ -35,6 +35,7 @@ #define I40E_ITR_20K 0x0019 #define I40E_ITR_8K 0x003E #define I40E_ITR_4K 0x007A +#define I40E_MAX_INTRL 0x3B /* reg uses 4 usec resolution */ #define I40E_ITR_RX_DEF I40E_ITR_8K #define I40E_ITR_TX_DEF I40E_ITR_4K #define I40E_ITR_DYNAMIC 0x8000 /* use top bit as a flag */ @@ -44,6 +45,15 @@ #define ITR_TO_REG(setting) ((setting & ~I40E_ITR_DYNAMIC) >> 1) #define ITR_IS_DYNAMIC(setting) (!!(setting & I40E_ITR_DYNAMIC)) #define ITR_REG_TO_USEC(itr_reg) (itr_reg << 1) +/* 0x40 is the enable bit for interrupt rate limiting, and must be set if + * the value of the rate limit is non-zero + */ +#define INTRL_ENA BIT(6) +#define INTRL_REG_TO_USEC(intrl) ((intrl & ~INTRL_ENA) << 2) +#define INTRL_USEC_TO_REG(set) ((set) ? ((set) >> 2) | INTRL_ENA : 0) +#define I40E_INTRL_8K 125 /* 8000 ints/sec */ +#define I40E_INTRL_62K 16 /* 62500 ints/sec */ +#define I40E_INTRL_83K 12 /* 83333 ints/sec */ #define I40E_QUEUE_END_OF_LIST 0x7FF |