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authorBrandon Streiff <brandon.streiff@ni.com>2018-02-14 01:07:48 +0100
committerDavid S. Miller <davem@davemloft.net>2018-02-14 14:33:37 -0500
commit0336369d3a4d65c9332476b618ff3bb9b41045e1 (patch)
treeeae9faa3c3a54f4c24205f0891c62eb282426dd2 /net/dsa
parent4eb3be2937670aecf8bbd52a95b6e9238a9bd7aa (diff)
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net: dsa: forward hardware timestamping ioctls to switch driver
This patch adds support to the dsa slave network device so that switch drivers can implement the SIOC[GS]HWTSTAMP ioctls and the ethtool timestamp-info interface. Signed-off-by: Brandon Streiff <brandon.streiff@ni.com> Signed-off-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/dsa')
-rw-r--r--net/dsa/slave.c29
1 files changed, 29 insertions, 0 deletions
diff --git a/net/dsa/slave.c b/net/dsa/slave.c
index f52307296de4..935d93f0d36c 100644
--- a/net/dsa/slave.c
+++ b/net/dsa/slave.c
@@ -255,6 +255,22 @@ dsa_slave_fdb_dump(struct sk_buff *skb, struct netlink_callback *cb,
static int dsa_slave_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
{
+ struct dsa_slave_priv *p = netdev_priv(dev);
+ struct dsa_switch *ds = p->dp->ds;
+ int port = p->dp->index;
+
+ /* Pass through to switch driver if it supports timestamping */
+ switch (cmd) {
+ case SIOCGHWTSTAMP:
+ if (ds->ops->port_hwtstamp_get)
+ return ds->ops->port_hwtstamp_get(ds, port, ifr);
+ break;
+ case SIOCSHWTSTAMP:
+ if (ds->ops->port_hwtstamp_set)
+ return ds->ops->port_hwtstamp_set(ds, port, ifr);
+ break;
+ }
+
if (!dev->phydev)
return -ENODEV;
@@ -918,6 +934,18 @@ static int dsa_slave_set_rxnfc(struct net_device *dev,
return ds->ops->set_rxnfc(ds, dp->index, nfc);
}
+static int dsa_slave_get_ts_info(struct net_device *dev,
+ struct ethtool_ts_info *ts)
+{
+ struct dsa_slave_priv *p = netdev_priv(dev);
+ struct dsa_switch *ds = p->dp->ds;
+
+ if (!ds->ops->get_ts_info)
+ return -EOPNOTSUPP;
+
+ return ds->ops->get_ts_info(ds, p->dp->index, ts);
+}
+
static const struct ethtool_ops dsa_slave_ethtool_ops = {
.get_drvinfo = dsa_slave_get_drvinfo,
.get_regs_len = dsa_slave_get_regs_len,
@@ -938,6 +966,7 @@ static const struct ethtool_ops dsa_slave_ethtool_ops = {
.set_link_ksettings = phy_ethtool_set_link_ksettings,
.get_rxnfc = dsa_slave_get_rxnfc,
.set_rxnfc = dsa_slave_set_rxnfc,
+ .get_ts_info = dsa_slave_get_ts_info,
};
/* legacy way, bypassing the bridge *****************************************/