From: Jose Abreu Jose.Abreu@synopsys.com
[ Upstream commit b870b0f867c77b92d7fd17ace8421904270d3c6a ]
We need to check if the number of available Hash Filters is enough to run the test, otherwise we will get false failures.
Fixes: 091810dbded9 ("net: stmmac: Introduce selftests support") Signed-off-by: Jose Abreu Jose.Abreu@synopsys.com Signed-off-by: David S. Miller davem@davemloft.net Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/net/ethernet/stmicro/stmmac/stmmac_selftests.c | 7 +++++++ 1 file changed, 7 insertions(+)
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_selftests.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_selftests.c index a97b1ea76438e..f8915a62d6025 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_selftests.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_selftests.c @@ -456,6 +456,9 @@ 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; @@ -533,6 +536,8 @@ 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); @@ -571,6 +576,8 @@ 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);