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authorSudarsana Reddy Kalluru <sudarsana.kalluru@cavium.com>2016-10-21 04:43:43 -0400
committerDavid S. Miller <davem@davemloft.net>2016-10-22 17:08:07 -0400
commited0dd91515bbe19a19cfccca366cf163ed581cac (patch)
treef1b5c8308a9d51b6949dae9f4317b9bbc732c286 /drivers/net/ethernet/qlogic
parent0e191827383a6503a3bc547e63c74ff093f450f5 (diff)
downloadop-kernel-dev-ed0dd91515bbe19a19cfccca366cf163ed581cac.zip
op-kernel-dev-ed0dd91515bbe19a19cfccca366cf163ed581cac.tar.gz
qede: Reconfigure rss indirection direction table when rss count is updated
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.Kalluru@cavium.com> Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/qlogic')
-rw-r--r--drivers/net/ethernet/qlogic/qede/qede_ethtool.c7
1 files changed, 7 insertions, 0 deletions
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);
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