[dpdk-dev] [PATCH v2] net/ixgbe: fix Rx/Tx queue interrupt for x550 devices

Qiming Yang qiming.yang at intel.com
Tue Jul 18 04:28:34 CEST 2017


x550 devices not do interrupt vector mapping before
enable Rx/Tx queue interrupt, makes interrupt mode
can't work neither with igb_uio or VFIO.

Fixes: d2e72774e58c ("ixgbe/base: support X550")

Signed-off-by: Qiming Yang <qiming.yang at intel.com>
---
v2 changes:
* fixed other cause interrupt vector map and typo issue
---
 drivers/net/ixgbe/ixgbe_ethdev.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ixgbe/ixgbe_ethdev.c b/drivers/net/ixgbe/ixgbe_ethdev.c
index 9b06ac1..0caafd5 100644
--- a/drivers/net/ixgbe/ixgbe_ethdev.c
+++ b/drivers/net/ixgbe/ixgbe_ethdev.c
@@ -5611,7 +5611,8 @@ ixgbe_set_ivar_map(struct ixgbe_hw *hw, int8_t direction,
 		tmp |= (msix_vector << (8 * (queue & 0x3)));
 		IXGBE_WRITE_REG(hw, IXGBE_IVAR(idx), tmp);
 	} else if ((hw->mac.type == ixgbe_mac_82599EB) ||
-			(hw->mac.type == ixgbe_mac_X540)) {
+			(hw->mac.type == ixgbe_mac_X540) ||
+			(hw->mac.type == ixgbe_mac_X550)) {
 		if (direction == -1) {
 			/* other causes */
 			idx = ((queue & 1) * 8);
@@ -5719,6 +5720,7 @@ ixgbe_configure_msix(struct rte_eth_dev *dev)
 		break;
 	case ixgbe_mac_82599EB:
 	case ixgbe_mac_X540:
+	case ixgbe_mac_X550:
 		ixgbe_set_ivar_map(hw, -1, 1, IXGBE_MISC_VEC_ID);
 		break;
 	default:
-- 
2.7.4



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