[dpdk-stable] [PATCH v5] net/ice: fix RSS advanced rule invalid issue

[Junyu Jiang]

This patch moved the RSS initialization from dev start to dev configure
to fix RSS advanced rule invalid after running port stop and port start.

Fixes: 5ad3db8d4bdd ("net/ice: enable advanced RSS")
Cc: stable at dpdk.org

Signed-off-by: Junyu Jiang <junyux.jiang at intel.com>
---
 drivers/net/ice/ice_ethdev.c | 50 +++++++++++++++++++-----------------
 1 file changed, 26 insertions(+), 24 deletions(-)

diff --git a/drivers/net/ice/ice_ethdev.c b/drivers/net/ice/ice_ethdev.c
index 85ef83e92..90a91c9c1 100644
--- a/drivers/net/ice/ice_ethdev.c
+++ b/drivers/net/ice/ice_ethdev.c
@@ -2446,24 +2446,6 @@ ice_dev_uninit(struct rte_eth_dev *dev)
 	return 0;
 }
 
-static int
-ice_dev_configure(struct rte_eth_dev *dev)
-{
-	struct ice_adapter *ad =
-		ICE_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
-
-	/* Initialize to TRUE. If any of Rx queues doesn't meet the
-	 * bulk allocation or vector Rx preconditions we will reset it.
-	 */
-	ad->rx_bulk_alloc_allowed = true;
-	ad->tx_simple_allowed = true;
-
-	if (dev->data->dev_conf.rxmode.mq_mode & ETH_MQ_RX_RSS_FLAG)
-		dev->data->dev_conf.rxmode.offloads |= DEV_RX_OFFLOAD_RSS_HASH;
-
-	return 0;
-}
-
 static int ice_init_rss(struct ice_pf *pf)
 {
 	struct ice_hw *hw = ICE_PF_TO_HW(pf);
@@ -2594,6 +2576,32 @@ static int ice_init_rss(struct ice_pf *pf)
 	return 0;
 }
 
+static int
+ice_dev_configure(struct rte_eth_dev *dev)
+{
+	struct ice_adapter *ad =
+		ICE_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
+	struct ice_pf *pf = ICE_DEV_PRIVATE_TO_PF(dev->data->dev_private);
+	int ret;
+
+	/* Initialize to TRUE. If any of Rx queues doesn't meet the
+	 * bulk allocation or vector Rx preconditions we will reset it.
+	 */
+	ad->rx_bulk_alloc_allowed = true;
+	ad->tx_simple_allowed = true;
+
+	if (dev->data->dev_conf.rxmode.mq_mode & ETH_MQ_RX_RSS_FLAG)
+		dev->data->dev_conf.rxmode.offloads |= DEV_RX_OFFLOAD_RSS_HASH;
+
+	ret = ice_init_rss(pf);
+	if (ret) {
+		PMD_DRV_LOG(ERR, "Failed to enable rss for PF");
+		return ret;
+	}
+
+	return 0;
+}
+
 static void
 __vsi_queues_bind_intr(struct ice_vsi *vsi, uint16_t msix_vect,
 		       int base_queue, int nb_queue)
@@ -2797,12 +2805,6 @@ ice_dev_start(struct rte_eth_dev *dev)
 		}
 	}
 
-	ret = ice_init_rss(pf);
-	if (ret) {
-		PMD_DRV_LOG(ERR, "Failed to enable rss for PF");
-		goto rx_err;
-	}
-
 	ice_set_rx_function(dev);
 	ice_set_tx_function(dev);
 
-- 
2.17.1