[PATCH net-next 1/5] net: stmmac: selftests: Add missing checks for support of SA

[Jose Abreu <Jose.Abreu@synopsys.com>]

Add checks for support of Source Address Insertion/Replacement before
running the test.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>

---
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Cc: Jose Abreu <joabreu@synopsys.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Maxime Coquelin <mcoquelin.stm32@gmail.com>
Cc: netdev@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
---
 drivers/net/ethernet/stmicro/stmmac/stmmac_selftests.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_selftests.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_selftests.c
index 305d24935cf4..dce34c081a1e 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_selftests.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_selftests.c
@@ -1057,6 +1057,9 @@ static int stmmac_test_desc_sai(struct stmmac_priv *priv)
 	struct stmmac_packet_attrs attr = { };
 	int ret;
 
+	if (!priv->dma_cap.vlins)
+		return -EOPNOTSUPP;
+
 	attr.remove_sa = true;
 	attr.sarc = true;
 	attr.src = src;
@@ -1076,6 +1079,9 @@ static int stmmac_test_desc_sar(struct stmmac_priv *priv)
 	struct stmmac_packet_attrs attr = { };
 	int ret;
 
+	if (!priv->dma_cap.vlins)
+		return -EOPNOTSUPP;
+
 	attr.sarc = true;
 	attr.src = src;
 	attr.dst = priv->dev->dev_addr;
@@ -1094,6 +1100,9 @@ static int stmmac_test_reg_sai(struct stmmac_priv *priv)
 	struct stmmac_packet_attrs attr = { };
 	int ret;
 
+	if (!priv->dma_cap.vlins)
+		return -EOPNOTSUPP;
+
 	attr.remove_sa = true;
 	attr.sarc = true;
 	attr.src = src;
@@ -1114,6 +1123,9 @@ static int stmmac_test_reg_sar(struct stmmac_priv *priv)
 	struct stmmac_packet_attrs attr = { };
 	int ret;
 
+	if (!priv->dma_cap.vlins)
+		return -EOPNOTSUPP;
+
 	attr.sarc = true;
 	attr.src = src;
 	attr.dst = priv->dev->dev_addr;
-- 
2.7.4