[PATCH net-next v3 05/10] net: stmmac: selftests: Add RSS test

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

Add a test for RSS in the stmmac selftests.

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-stm32@st-md-mailman.stormreply.com
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
---
 .../net/ethernet/stmicro/stmmac/stmmac_selftests.c    | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_selftests.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_selftests.c
index a97b1ea76438..83b775a8cedc 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_selftests.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_selftests.c
@@ -700,6 +700,21 @@ static int stmmac_test_flowctrl(struct stmmac_priv *priv)
 	return ret;
 }
 
+static int stmmac_test_rss(struct stmmac_priv *priv)
+{
+	struct stmmac_packet_attrs attr = { };
+
+	if (!priv->dma_cap.rssen || !priv->rss.enable)
+		return -EOPNOTSUPP;
+
+	attr.dst = priv->dev->dev_addr;
+	attr.exp_hash = true;
+	attr.sport = 0x321;
+	attr.dport = 0x123;
+
+	return __stmmac_test_loopback(priv, &attr);
+}
+
 #define STMMAC_LOOPBACK_NONE	0
 #define STMMAC_LOOPBACK_MAC	1
 #define STMMAC_LOOPBACK_PHY	2
@@ -745,6 +760,10 @@ static const struct stmmac_test {
 		.name = "Flow Control         ",
 		.lb = STMMAC_LOOPBACK_PHY,
 		.fn = stmmac_test_flowctrl,
+	}, {
+		.name = "RSS                  ",
+		.lb = STMMAC_LOOPBACK_PHY,
+		.fn = stmmac_test_rss,
 	},
 };
 
-- 
2.7.4