From: Sudarsana Reddy Kalluru <sudarsana.kall...@cavium.com>
Rx indirection table entries are in the range [0, (rss_count - 1)]. If
user reduces the rss count, the table entries may not be in the ccorrect
range. Need to reconfigure the table with new rss_count as a basis.
Signed-off-by: Sudarsana Reddy Kalluru <sudarsana.kall...@cavium.com>
Signed-off-by: Yuval Mintz <yuval.mi...@cavium.com>
---
drivers/net/ethernet/qlogic/qede/qede_ethtool.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/drivers/net/ethernet/qlogic/qede/qede_ethtool.c
b/drivers/net/ethernet/qlogic/qede/qede_ethtool.c
index 7da184c..d47bdaa 100644
--- a/drivers/net/ethernet/qlogic/qede/qede_ethtool.c
+++ b/drivers/net/ethernet/qlogic/qede/qede_ethtool.c
@@ -822,6 +822,13 @@ static int qede_set_channels(struct net_device *dev,
edev->req_queues = count;
edev->req_num_tx = channels->tx_count;
edev->req_num_rx = channels->rx_count;
+ /* Reset the indirection table if rx queue count is updated */
+ if ((edev->req_queues - edev->req_num_tx) != QEDE_RSS_COUNT(edev)) {
+ edev->rss_params_inited &= ~QEDE_RSS_INDIR_INITED;
+ memset(&edev->rss_params.rss_ind_table, 0,
+ sizeof(edev->rss_params.rss_ind_table));
+ }
+
if (netif_running(dev))
qede_reload(edev, NULL, NULL);
--
1.8.3.1
