From: Jose Abreu <Jose.Abreu@xxxxxxxxxxxx>
commit 7bd754c47dd3ad1b048c9641294b0234fcce2c58 upstream.
RSS, when enabled, will bypass the L3 and L4 filtering causing it not
to work. Add a check before trying to setup the filters.
Fixes: 425eabddaf0f ("net: stmmac: Implement L3/L4 Filters using TC Flower")
Signed-off-by: Jose Abreu <Jose.Abreu@xxxxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c | 4 ++++
1 file changed, 4 insertions(+)
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c
@@ -579,6 +579,10 @@ static int tc_setup_cls(struct stmmac_pr
{
int ret = 0;
+ /* When RSS is enabled, the filtering will be bypassed */
+ if (priv->rss.enable)
+ return -EBUSY;
+
switch (cls->command) {
case FLOW_CLS_REPLACE:
ret = tc_add_flow(priv, cls);
