Commit 79442d38 authored by Jesse Brandeburg's avatar Jesse Brandeburg Committed by Jeff Kirsher

i40e: clean up throttle rate code

The interrupt throttle rate minimum is actually 2us, so
fix that define and while we are there, remove some unused defines.

Change some strings in the function to be a bit less wrappy, and
express the correct limits.

Change-ID: I96829bbc77935e0b57c6f0fc1439fb4152b2960a
Signed-off-by: default avatarJesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: default avatarPatrick Lu <patrick.lu@intel.com>
Tested-by: default avatarJim Young <jamesx.m.young@intel.com>
Signed-off-by: default avatarJeff Kirsher <jeffrey.t.kirsher@intel.com>
parent 21536717
......@@ -1575,11 +1575,9 @@ static int i40e_set_coalesce(struct net_device *netdev,
} else if (ec->rx_coalesce_usecs == 0) {
vsi->rx_itr_setting = ec->rx_coalesce_usecs;
if (ec->use_adaptive_rx_coalesce)
netif_info(pf, drv, netdev,
"Rx-secs=0, need to disable adaptive-Rx for a complete disable\n");
netif_info(pf, drv, netdev, "rx-usecs=0, need to disable adaptive-rx for a complete disable\n");
} else {
netif_info(pf, drv, netdev,
"Invalid value, Rx-usecs range is 0, 8-8160\n");
netif_info(pf, drv, netdev, "Invalid value, rx-usecs range is 0-8160\n");
return -EINVAL;
}
......@@ -1589,11 +1587,10 @@ static int i40e_set_coalesce(struct net_device *netdev,
} else if (ec->tx_coalesce_usecs == 0) {
vsi->tx_itr_setting = ec->tx_coalesce_usecs;
if (ec->use_adaptive_tx_coalesce)
netif_info(pf, drv, netdev,
"Tx-secs=0, need to disable adaptive-Tx for a complete disable\n");
netif_info(pf, drv, netdev, "tx-usecs=0, need to disable adaptive-tx for a complete disable\n");
} else {
netif_info(pf, drv, netdev,
"Invalid value, Tx-usecs range is 0, 8-8160\n");
"Invalid value, tx-usecs range is 0-8160\n");
return -EINVAL;
}
......
......@@ -30,10 +30,7 @@
/* Interrupt Throttling and Rate Limiting Goodies */
#define I40E_MAX_ITR 0x0FF0 /* reg uses 2 usec resolution */
#define I40E_MIN_ITR 0x0004 /* reg uses 2 usec resolution */
#define I40E_MAX_IRATE 0x03F
#define I40E_MIN_IRATE 0x001
#define I40E_IRATE_USEC_RESOLUTION 4
#define I40E_MIN_ITR 0x0001 /* reg uses 2 usec resolution */
#define I40E_ITR_100K 0x0005
#define I40E_ITR_20K 0x0019
#define I40E_ITR_8K 0x003E
......
......@@ -30,10 +30,7 @@
/* Interrupt Throttling and Rate Limiting Goodies */
#define I40E_MAX_ITR 0x0FF0 /* reg uses 2 usec resolution */
#define I40E_MIN_ITR 0x0004 /* reg uses 2 usec resolution */
#define I40E_MAX_IRATE 0x03F
#define I40E_MIN_IRATE 0x001
#define I40E_IRATE_USEC_RESOLUTION 4
#define I40E_MIN_ITR 0x0001 /* reg uses 2 usec resolution */
#define I40E_ITR_100K 0x0005
#define I40E_ITR_20K 0x0019
#define I40E_ITR_8K 0x003E
......
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