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net: stmmac: selftests: Add Split Header test

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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: Jose Abreu <joabreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jose Abreu 2019-09-06 09:41:16 +02:00 committed by David S. Miller
parent 41f2a3e636
commit 5f8475daa2
1 changed files with 42 additions and 0 deletions
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42
drivers/net/ethernet/stmicro/stmmac/stmmac_selftests.c
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@ -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,
},
};