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ethtool: add CHANNELS_NTF notification

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Send ETHTOOL_MSG_CHANNELS_NTF notification whenever channel counts of
a network device are modified using ETHTOOL_MSG_CHANNELS_SET netlink
message or ETHTOOL_SCHANNELS ioctl request.

Signed-off-by: Michal Kubecek <mkubecek@suse.cz>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Michal Kubecek
2020-03-12 21:08:48 +01:00
committed by David S. Miller
parent e19c591eaf
commit 546379b9a0
5 changed files with 12 additions and 1 deletions
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6
net/ethtool/ioctl.c
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@@ -1649,6 +1649,7 @@ static noinline_for_stack int ethtool_set_channels(struct net_device *dev,
u16 from_channel, to_channel;
u32 max_rx_in_use = 0;
unsigned int i;
int ret;
if (!dev->ethtool_ops->set_channels || !dev->ethtool_ops->get_channels)
return -EOPNOTSUPP;
@@ -1680,7 +1681,10 @@ static noinline_for_stack int ethtool_set_channels(struct net_device *dev,
if (xdp_get_umem_from_qid(dev, i))
return -EINVAL;
return dev->ethtool_ops->set_channels(dev, &channels);
ret = dev->ethtool_ops->set_channels(dev, &channels);
if (!ret)
ethtool_notify(dev, ETHTOOL_MSG_CHANNELS_NTF, NULL);
return ret;
}
static int ethtool_get_pauseparam(struct net_device *dev, void __user *useraddr)