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macvlan: pass get_ts_info and SIOC[SG]HWTSTAMP ioctl to real device 

Similiar to commit a6111d3c93 ("vlan: Pass SIOC[SG]HWTSTAMP ioctls to
real device") and commit 37dd9255b2 ("vlan: Pass ethtool get_ts_info
queries to real device."), add MACVlan HW ptp support.

Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
hifive-unleashed-5.2
Hangbin Liu 2019-03-20 10:23:33 +08:00 committed by David S. Miller
parent 1bfe45f4ae
commit 254c0a2bfe
1 changed files with 48 additions and 0 deletions
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48
drivers/net/macvlan.c
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@ -24,6 +24,7 @@
#include <linux/notifier.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/net_tstamp.h>
#include <linux/ethtool.h>
#include <linux/if_arp.h>
#include <linux/if_vlan.h>
@ -34,6 +35,7 @@
#include <net/rtnetlink.h>
#include <net/xfrm.h>
#include <linux/netpoll.h>
#include <linux/phy.h>
#define MACVLAN_HASH_BITS 8
#define MACVLAN_HASH_SIZE (1<<MACVLAN_HASH_BITS)
@ -822,6 +824,30 @@ static int macvlan_change_mtu(struct net_device *dev, int new_mtu)
return 0;
}
static int macvlan_do_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
{
struct net_device *real_dev = macvlan_dev_real_dev(dev);
const struct net_device_ops *ops = real_dev->netdev_ops;
struct ifreq ifrr;
int err = -EOPNOTSUPP;
strncpy(ifrr.ifr_name, real_dev->name, IFNAMSIZ);
ifrr.ifr_ifru = ifr->ifr_ifru;
switch (cmd) {
case SIOCSHWTSTAMP:
case SIOCGHWTSTAMP:
if (netif_device_present(real_dev) && ops->ndo_do_ioctl)
err = ops->ndo_do_ioctl(real_dev, &ifrr, cmd);
break;
}
if (!err)
ifr->ifr_ifru = ifrr.ifr_ifru;
return err;
}
/*
* macvlan network devices have devices nesting below it and are a special
* "super class" of normal network devices; split their locks off into a
@ -1020,6 +1046,26 @@ static int macvlan_ethtool_get_link_ksettings(struct net_device *dev,
return __ethtool_get_link_ksettings(vlan->lowerdev, cmd);
}
static int macvlan_ethtool_get_ts_info(struct net_device *dev,
struct ethtool_ts_info *info)
{
struct net_device *real_dev = macvlan_dev_real_dev(dev);
const struct ethtool_ops *ops = real_dev->ethtool_ops;
struct phy_device *phydev = real_dev->phydev;
if (phydev && phydev->drv && phydev->drv->ts_info) {
return phydev->drv->ts_info(phydev, info);
} else if (ops->get_ts_info) {
return ops->get_ts_info(real_dev, info);
} else {
info->so_timestamping = SOF_TIMESTAMPING_RX_SOFTWARE |
SOF_TIMESTAMPING_SOFTWARE;
info->phc_index = -1;
}
return 0;
}
static netdev_features_t macvlan_fix_features(struct net_device *dev,
netdev_features_t features)
{
@ -1094,6 +1140,7 @@ static const struct ethtool_ops macvlan_ethtool_ops = {
.get_link = ethtool_op_get_link,
.get_link_ksettings = macvlan_ethtool_get_link_ksettings,
.get_drvinfo = macvlan_ethtool_get_drvinfo,
.get_ts_info = macvlan_ethtool_get_ts_info,
};
static const struct net_device_ops macvlan_netdev_ops = {
@ -1103,6 +1150,7 @@ static const struct net_device_ops macvlan_netdev_ops = {
.ndo_stop = macvlan_stop,
.ndo_start_xmit = macvlan_start_xmit,
.ndo_change_mtu = macvlan_change_mtu,
.ndo_do_ioctl = macvlan_do_ioctl,
.ndo_fix_features = macvlan_fix_features,
.ndo_change_rx_flags = macvlan_change_rx_flags,
.ndo_set_mac_address = macvlan_set_mac_address,