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

[Jose Abreu]

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

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

---
Cc: Giuseppe Cavallaro <peppe.cavall...@st.com>
Cc: Alexandre Torgue <alexandre.tor...@st.com>
Cc: Jose Abreu <joab...@synopsys.com>
Cc: "David S. Miller" <da...@davemloft.net>
Cc: Maxime Coquelin <mcoquelin.st...@gmail.com>
Cc: net...@vger.kernel.org
Cc: linux-arm-ker...@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