diff options
Diffstat (limited to 'drivers/net/ethernet/intel/i40e')
| -rw-r--r-- | drivers/net/ethernet/intel/i40e/i40e_ethtool.c | 2 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/i40e/i40e_main.c | 2 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/i40e/i40e_txrx.h | 15 |
3 files changed, 16 insertions, 3 deletions
diff --git a/drivers/net/ethernet/intel/i40e/i40e_ethtool.c b/drivers/net/ethernet/intel/i40e/i40e_ethtool.c index cc1465aac2ef..7500902a612d 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_ethtool.c +++ b/drivers/net/ethernet/intel/i40e/i40e_ethtool.c @@ -2072,7 +2072,7 @@ static void i40e_set_itr_per_queue(struct i40e_vsi *vsi, struct i40e_q_vector *q_vector; u16 vector, intrl; - intrl = INTRL_USEC_TO_REG(vsi->int_rate_limit); + intrl = i40e_intrl_usec_to_reg(vsi->int_rate_limit); vsi->rx_rings[queue]->rx_itr_setting = ec->rx_coalesce_usecs; vsi->tx_rings[queue]->tx_itr_setting = ec->tx_coalesce_usecs; diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c index 24819248de68..9f785c015a2f 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_main.c +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c @@ -3268,7 +3268,7 @@ static void i40e_vsi_configure_msix(struct i40e_vsi *vsi) wr32(hw, I40E_PFINT_ITRN(I40E_TX_ITR, vector - 1), q_vector->tx.itr); wr32(hw, I40E_PFINT_RATEN(vector - 1), - INTRL_USEC_TO_REG(vsi->int_rate_limit)); + i40e_intrl_usec_to_reg(vsi->int_rate_limit)); /* Linked list for the queuepairs assigned to this vector */ wr32(hw, I40E_PFINT_LNKLSTN(vector - 1), qp); diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.h b/drivers/net/ethernet/intel/i40e/i40e_txrx.h index e065321ce8ed..1ea820e9debe 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_txrx.h +++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.h @@ -52,7 +52,20 @@ */ #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) +/** + * i40e_intrl_usec_to_reg - convert interrupt rate limit to register + * @intrl: interrupt rate limit to convert + * + * This function converts a decimal interrupt rate limit to the appropriate + * register format expected by the firmware when setting interrupt rate limit. + */ +static inline u16 i40e_intrl_usec_to_reg(int intrl) +{ + if (intrl >> 2) + return ((intrl >> 2) | INTRL_ENA); + else + return 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 */ |