When RSC is not used, the RSC_DIS of register RFCTL should
be set according to ixgbe datasheet.
Signed-off-by: Wei Dai <wei....@intel.com>
---
drivers/net/ixgbe/ixgbe_rxtx.c | 29 +++++++++++++----------------
1 file changed, 13 insertions(+), 16 deletions(-)
diff --git a/drivers/net/ixgbe/ixgbe_rxtx.c b/drivers/net/ixgbe/ixgbe_rxtx.c
index e8b5107..1e07895 100644
--- a/drivers/net/ixgbe/ixgbe_rxtx.c
+++ b/drivers/net/ixgbe/ixgbe_rxtx.c
@@ -4522,6 +4522,7 @@ ixgbe_set_rsc(struct rte_eth_dev *dev)
bool rsc_capable = false;
uint16_t i;
uint32_t rdrxctl;
+ uint32_t rfctl;
/* Sanity check */
dev->dev_ops->dev_infos_get(dev, &dev_info);
@@ -4549,22 +4550,18 @@ ixgbe_set_rsc(struct rte_eth_dev *dev)
}
/* RFCTL configuration */
- if (rsc_capable) {
- uint32_t rfctl = IXGBE_READ_REG(hw, IXGBE_RFCTL);
-
- if (rx_conf->enable_lro)
- /*
- * Since NFS packets coalescing is not supported - clear
- * RFCTL.NFSW_DIS and RFCTL.NFSR_DIS when RSC is
- * enabled.
- */
- rfctl &= ~(IXGBE_RFCTL_RSC_DIS | IXGBE_RFCTL_NFSW_DIS |
- IXGBE_RFCTL_NFSR_DIS);
- else
- rfctl |= IXGBE_RFCTL_RSC_DIS;
-
- IXGBE_WRITE_REG(hw, IXGBE_RFCTL, rfctl);
- }
+ rfctl = IXGBE_READ_REG(hw, IXGBE_RFCTL);
+ if ((rsc_capable) && (rx_conf->enable_lro))
+ /*
+ * Since NFS packets coalescing is not supported - clear
+ * RFCTL.NFSW_DIS and RFCTL.NFSR_DIS when RSC is
+ * enabled.
+ */
+ rfctl &= ~(IXGBE_RFCTL_RSC_DIS | IXGBE_RFCTL_NFSW_DIS |
+ IXGBE_RFCTL_NFSR_DIS);
+ else
+ rfctl |= IXGBE_RFCTL_RSC_DIS;
+ IXGBE_WRITE_REG(hw, IXGBE_RFCTL, rfctl);
/* If LRO hasn't been requested - we are done here. */
if (!rx_conf->enable_lro)
--
2.7.4
