[RFC net-next 5/5] net: phy: broadcom: Add support for PHY test modes

[Florian Fainelli]

Re-use the generic PHY library test modes for 100BaseT2 and 1000BaseT
and advertise support for those through the newly added ethtool knobs.

Signed-off-by: Florian Fainelli <f.faine...@gmail.com>
---
 drivers/net/phy/bcm-phy-lib.c | 15 +++++++++------
 drivers/net/phy/bcm7xxx.c     |  3 +++
 2 files changed, 12 insertions(+), 6 deletions(-)

diff --git a/drivers/net/phy/bcm-phy-lib.c b/drivers/net/phy/bcm-phy-lib.c
index e797e0863895..cb3081e523a5 100644
--- a/drivers/net/phy/bcm-phy-lib.c
+++ b/drivers/net/phy/bcm-phy-lib.c
@@ -334,6 +334,8 @@ int bcm_phy_get_sset_count(struct phy_device *phydev, int 
sset)
 {
        if (sset == ETH_SS_PHY_STATS)
                return ARRAY_SIZE(bcm_phy_hw_stats);
+       else if (sset == ETH_SS_PHY_TESTS)
+               return genphy_get_test_count(phydev);
 
        return -EOPNOTSUPP;
 }
@@ -343,12 +345,13 @@ void bcm_phy_get_strings(struct phy_device *phydev, u32 
stringset, u8 *data)
 {
        unsigned int i;
 
-       if (stringset != ETH_SS_PHY_STATS)
-               return;
-
-       for (i = 0; i < ARRAY_SIZE(bcm_phy_hw_stats); i++)
-               strlcpy(data + i * ETH_GSTRING_LEN,
-                       bcm_phy_hw_stats[i].string, ETH_GSTRING_LEN);
+       if (stringset == ETH_SS_PHY_STATS) {
+               for (i = 0; i < ARRAY_SIZE(bcm_phy_hw_stats); i++)
+                       strlcpy(data + i * ETH_GSTRING_LEN,
+                               bcm_phy_hw_stats[i].string, ETH_GSTRING_LEN);
+       } else if (stringset == ETH_SS_PHY_TESTS) {
+               genphy_get_test_strings(phydev, data);
+       }
 }
 EXPORT_SYMBOL_GPL(bcm_phy_get_strings);
 
diff --git a/drivers/net/phy/bcm7xxx.c b/drivers/net/phy/bcm7xxx.c
index 1835af147eea..1efd287ed320 100644
--- a/drivers/net/phy/bcm7xxx.c
+++ b/drivers/net/phy/bcm7xxx.c
@@ -619,6 +619,9 @@ static int bcm7xxx_28nm_probe(struct phy_device *phydev)
        .get_sset_count = bcm_phy_get_sset_count,                       \
        .get_strings    = bcm_phy_get_strings,                          \
        .get_stats      = bcm7xxx_28nm_get_phy_stats,                   \
+       .set_test       = genphy_set_test,                              \
+       .get_test       = genphy_get_test,                              \
+       .get_test_len   = genphy_get_test_len,                          \
        .probe          = bcm7xxx_28nm_probe,                           \
 }
 
-- 
2.14.1