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Commit 5f8475da authored by Jose Abreu's avatar Jose Abreu Committed by David S. Miller
Browse files

net: stmmac: selftests: Add Split Header test 



Add a test to validate that Split Header feature is working correctly.
It works by using the rececently introduced counter that increments each
time a packet with split header is received.

Signed-off-by: default avatarJose Abreu <joabreu@synopsys.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 41f2a3e6

drivers/net/ethernet/stmicro/stmmac/stmmac_selftests.c

+42 −0
Original line number Diff line number Diff line
@@ -1603,6 +1603,44 @@ static int stmmac_test_mjumbo(struct stmmac_priv *priv) 
	return 0;

}



static int stmmac_test_sph(struct stmmac_priv *priv)

{

	unsigned long cnt_end, cnt_start = priv->xstats.rx_split_hdr_pkt_n;

	struct stmmac_packet_attrs attr = { };

	int ret;



	if (!priv->sph)

		return -EOPNOTSUPP;



	/* Check for UDP first */

	attr.dst = priv->dev->dev_addr;

	attr.tcp = false;



	ret = __stmmac_test_loopback(priv, &attr);

	if (ret)

		return ret;



	cnt_end = priv->xstats.rx_split_hdr_pkt_n;

	if (cnt_end <= cnt_start)

		return -EINVAL;



	/* Check for TCP now */

	cnt_start = cnt_end;



	attr.dst = priv->dev->dev_addr;

	attr.tcp = true;



	ret = __stmmac_test_loopback(priv, &attr);

	if (ret)

		return ret;



	cnt_end = priv->xstats.rx_split_hdr_pkt_n;

	if (cnt_end <= cnt_start)

		return -EINVAL;



	return 0;

}



#define STMMAC_LOOPBACK_NONE	0

#define STMMAC_LOOPBACK_MAC	1

#define STMMAC_LOOPBACK_PHY	2
@@ -1724,6 +1762,10 @@ static const struct stmmac_test { 
		.name = "Multichannel Jumbo  ",

		.lb = STMMAC_LOOPBACK_PHY,

		.fn = stmmac_test_mjumbo,

	}, {

		.name = "Split Header        ",

		.lb = STMMAC_LOOPBACK_PHY,

		.fn = stmmac_test_sph,

	},

};