IB/IPoIB: Add support for hwtstamp get/set ndos

Add support for the ndo_hwtstamp_get and ndo_hwtstamp_set operations in
IPoIB. This allows lower devices to handle hardware timestamp
configuration through the new ndos instead of the legacy ioctls.

Signed-off-by: Carolina Jubran <cjubran@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://patch.msgid.link/1761819910-1011051-6-git-send-email-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c
index 5b4d76e97437db90d491dbede2046ca70a00549a..300afc27c5612c3ceb8a9efed942802878cc1a47 100644 (file)
--- a/drivers/infiniband/ulp/ipoib/ipoib_main.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c
@@ -1825,6 +1825,31 @@ static int ipoib_ioctl(struct net_device *dev, struct ifreq *ifr,
        return priv->rn_ops->ndo_eth_ioctl(dev, ifr, cmd);
 }
 
+static int ipoib_hwtstamp_get(struct net_device *dev,
+                             struct kernel_hwtstamp_config *config)
+{
+       struct ipoib_dev_priv *priv = ipoib_priv(dev);
+
+       if (!priv->rn_ops->ndo_hwtstamp_get)
+               /* legacy */
+               return dev_eth_ioctl(dev, config->ifr, SIOCGHWTSTAMP);
+
+       return priv->rn_ops->ndo_hwtstamp_get(dev, config);
+}
+
+static int ipoib_hwtstamp_set(struct net_device *dev,
+                             struct kernel_hwtstamp_config *config,
+                             struct netlink_ext_ack *extack)
+{
+       struct ipoib_dev_priv *priv = ipoib_priv(dev);
+
+       if (!priv->rn_ops->ndo_hwtstamp_set)
+               /* legacy */
+               return dev_eth_ioctl(dev, config->ifr, SIOCSHWTSTAMP);
+
+       return priv->rn_ops->ndo_hwtstamp_set(dev, config, extack);
+}
+
 static int ipoib_dev_init(struct net_device *dev)
 {
        struct ipoib_dev_priv *priv = ipoib_priv(dev);
@@ -2149,6 +2174,8 @@ static const struct net_device_ops ipoib_netdev_ops_pf = {
        .ndo_set_mac_address     = ipoib_set_mac,
        .ndo_get_stats64         = ipoib_get_stats,
        .ndo_eth_ioctl           = ipoib_ioctl,
+       .ndo_hwtstamp_get        = ipoib_hwtstamp_get,
+       .ndo_hwtstamp_set        = ipoib_hwtstamp_set,
 };
 
 static const struct net_device_ops ipoib_netdev_ops_vf = {
@@ -2164,6 +2191,8 @@ static const struct net_device_ops ipoib_netdev_ops_vf = {
        .ndo_get_iflink          = ipoib_get_iflink,
        .ndo_get_stats64         = ipoib_get_stats,
        .ndo_eth_ioctl           = ipoib_ioctl,
+       .ndo_hwtstamp_get        = ipoib_hwtstamp_get,
+       .ndo_hwtstamp_set        = ipoib_hwtstamp_set,
 };
 
 static const struct net_device_ops ipoib_netdev_default_pf = {