net: stmmac: tc: Do not setup flower filtering if RSS is enabled

commit 7bd754c47d 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: 425eabddaf ("net: stmmac: Implement L3/L4 Filters using TC Flower")
Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jose Abreu
2020-01-10 16:23:53 +01:00
committed by Greg Kroah-Hartman
parent ba1c4fa2da
commit 79063cb67f

View File

@@ -579,6 +579,10 @@ static int tc_setup_cls(struct stmmac_priv *priv,
{
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);