[dpdk-dev,1/3] net/ixgbe: fix lsc interrupt
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Commit Message
If LSC flag is changed to off last device start, the
enable flag is not cleared in HW.
This patch fixes it.
Fixes: 0eb609239efd ("ixgbe: enable Rx queue interrupts for PF and VF")
Cc: stable@dpdk.org
Signed-off-by: Jingjing Wu <jingjing.wu@intel.com>
---
drivers/net/ixgbe/ixgbe_ethdev.c | 15 +++++++++++----
1 file changed, 11 insertions(+), 4 deletions(-)
Comments
Hi,
-----Original Message-----
From: Wu, Jingjing
Sent: Thursday, July 13, 2017 5:43 AM
To: Lu, Wenzhuo <wenzhuo.lu@intel.com>
Cc: dev@dpdk.org; Wu, Jingjing <jingjing.wu@intel.com>; stable@dpdk.org
Subject: [PATCH 1/3] net/ixgbe: fix lsc interrupt
If LSC flag is changed to off last device start, the enable flag is not cleared in HW.
This patch fixes it.
Fixes: 0eb609239efd ("ixgbe: enable Rx queue interrupts for PF and VF")
Cc: stable@dpdk.org
Signed-off-by: Jingjing Wu <jingjing.wu@intel.com>
Acked-by: Wenzhuo Lu <wenzhuo.lu@intel.com>
<...>
> If LSC flag is changed to off last device start, the enable flag is not cleared in HW.
> This patch fixes it.
>
> Fixes: 0eb609239efd ("ixgbe: enable Rx queue interrupts for PF and VF")
> Cc: stable@dpdk.org
>
> Signed-off-by: Jingjing Wu <jingjing.wu@intel.com>
> Acked-by: Wenzhuo Lu <wenzhuo.lu@intel.com>
Series applied to dpdk-next-net/master, thanks.
@@ -240,7 +240,7 @@ static int ixgbe_dev_rss_reta_query(struct rte_eth_dev *dev,
struct rte_eth_rss_reta_entry64 *reta_conf,
uint16_t reta_size);
static void ixgbe_dev_link_status_print(struct rte_eth_dev *dev);
-static int ixgbe_dev_lsc_interrupt_setup(struct rte_eth_dev *dev);
+static int ixgbe_dev_lsc_interrupt_setup(struct rte_eth_dev *dev, uint8_t on);
static int ixgbe_dev_macsec_interrupt_setup(struct rte_eth_dev *dev);
static int ixgbe_dev_rxq_interrupt_setup(struct rte_eth_dev *dev);
static int ixgbe_dev_interrupt_get_status(struct rte_eth_dev *dev);
@@ -2669,7 +2669,9 @@ ixgbe_dev_start(struct rte_eth_dev *dev)
if (rte_intr_allow_others(intr_handle)) {
/* check if lsc interrupt is enabled */
if (dev->data->dev_conf.intr_conf.lsc != 0)
- ixgbe_dev_lsc_interrupt_setup(dev);
+ ixgbe_dev_lsc_interrupt_setup(dev, TRUE);
+ else
+ ixgbe_dev_lsc_interrupt_setup(dev, FALSE);
ixgbe_dev_macsec_interrupt_setup(dev);
} else {
rte_intr_callback_unregister(intr_handle,
@@ -4052,19 +4054,24 @@ ixgbe_dev_allmulticast_disable(struct rte_eth_dev *dev)
*
* @param dev
* Pointer to struct rte_eth_dev.
+ * @param on
+ * Enable or Disable.
*
* @return
* - On success, zero.
* - On failure, a negative value.
*/
static int
-ixgbe_dev_lsc_interrupt_setup(struct rte_eth_dev *dev)
+ixgbe_dev_lsc_interrupt_setup(struct rte_eth_dev *dev, uint8_t on)
{
struct ixgbe_interrupt *intr =
IXGBE_DEV_PRIVATE_TO_INTR(dev->data->dev_private);
ixgbe_dev_link_status_print(dev);
- intr->mask |= IXGBE_EICR_LSC;
+ if (on)
+ intr->mask |= IXGBE_EICR_LSC;
+ else
+ intr->mask &= ~IXGBE_EICR_LSC;
return 0;
}