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net: stmmac: selftests: Check if filtering is available before running 

We need to check if the number of available Hash Filters is enough to
run the test, otherwise we will get false failures.

Fixes: 091810dbde ("net: stmmac: Introduce selftests support")
Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jose Abreu 2019-10-06 13:08:55 +02:00 committed by David S. Miller
parent c763ac436b
commit b870b0f867
1 changed files with 7 additions and 0 deletions
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7
drivers/net/ethernet/stmicro/stmmac/stmmac_selftests.c
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@ -496,6 +496,9 @@ static int stmmac_test_hfilt(struct stmmac_priv *priv)
if (ret)
return ret;
if (netdev_mc_count(priv->dev) >= priv->hw->multicast_filter_bins)
return -EOPNOTSUPP;
ret = dev_mc_add(priv->dev, gd_addr);
if (ret)
return ret;
@ -573,6 +576,8 @@ static int stmmac_test_mcfilt(struct stmmac_priv *priv)
if (stmmac_filter_check(priv))
return -EOPNOTSUPP;
if (!priv->hw->multicast_filter_bins)
return -EOPNOTSUPP;
/* Remove all MC addresses */
__dev_mc_unsync(priv->dev, NULL);
@ -611,6 +616,8 @@ static int stmmac_test_ucfilt(struct stmmac_priv *priv)
if (stmmac_filter_check(priv))
return -EOPNOTSUPP;
if (!priv->hw->multicast_filter_bins)
return -EOPNOTSUPP;
/* Remove all UC addresses */
__dev_uc_unsync(priv->dev, NULL);