diff options
Diffstat (limited to 'net/ethtool/netlink.c')
| -rw-r--r-- | net/ethtool/netlink.c | 29 |
1 files changed, 28 insertions, 1 deletions
diff --git a/net/ethtool/netlink.c b/net/ethtool/netlink.c index 757ea3fc98a0..5c0e361bfd66 100644 --- a/net/ethtool/netlink.c +++ b/net/ethtool/netlink.c @@ -528,6 +528,7 @@ ethnl_default_notify_ops[ETHTOOL_MSG_KERNEL_MAX + 1] = { [ETHTOOL_MSG_LINKMODES_NTF] = ðnl_linkmodes_request_ops, [ETHTOOL_MSG_DEBUG_NTF] = ðnl_debug_request_ops, [ETHTOOL_MSG_WOL_NTF] = ðnl_wol_request_ops, + [ETHTOOL_MSG_FEATURES_NTF] = ðnl_features_request_ops, }; /* default notification handler */ @@ -613,6 +614,7 @@ static const ethnl_notify_handler_t ethnl_notify_handlers[] = { [ETHTOOL_MSG_LINKMODES_NTF] = ethnl_default_notify, [ETHTOOL_MSG_DEBUG_NTF] = ethnl_default_notify, [ETHTOOL_MSG_WOL_NTF] = ethnl_default_notify, + [ETHTOOL_MSG_FEATURES_NTF] = ethnl_default_notify, }; void ethtool_notify(struct net_device *dev, unsigned int cmd, const void *data) @@ -630,6 +632,29 @@ void ethtool_notify(struct net_device *dev, unsigned int cmd, const void *data) } EXPORT_SYMBOL(ethtool_notify); +static void ethnl_notify_features(struct netdev_notifier_info *info) +{ + struct net_device *dev = netdev_notifier_info_to_dev(info); + + ethtool_notify(dev, ETHTOOL_MSG_FEATURES_NTF, NULL); +} + +static int ethnl_netdev_event(struct notifier_block *this, unsigned long event, + void *ptr) +{ + switch (event) { + case NETDEV_FEAT_CHANGE: + ethnl_notify_features(ptr); + break; + } + + return NOTIFY_DONE; +} + +static struct notifier_block ethnl_netdev_notifier = { + .notifier_call = ethnl_netdev_event, +}; + /* genetlink setup */ static const struct genl_ops ethtool_genl_ops[] = { @@ -736,7 +761,9 @@ static int __init ethnl_init(void) return ret; ethnl_ok = true; - return 0; + ret = register_netdevice_notifier(ðnl_netdev_notifier); + WARN(ret < 0, "ethtool: net device notifier registration failed"); + return ret; } subsys_initcall(ethnl_init); |