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| author | Michal Kubecek <mkubecek@suse.cz> | 2020-03-12 21:08:48 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-03-12 15:32:33 -0700 |
| commit | 546379b9a01b6bdb5b267f8e7433944d5364cbf2 (patch) | |
| tree | 820dab0266e9656c7fdfd4eb7a09aedf2d26c3b1 /net/ethtool/ioctl.c | |
| parent | e19c591eafad4d723a2eed385e253eca0506cc25 (diff) | |
| download | lwn-546379b9a01b6bdb5b267f8e7433944d5364cbf2.tar.gz lwn-546379b9a01b6bdb5b267f8e7433944d5364cbf2.zip | |
ethtool: add CHANNELS_NTF notification
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>
Diffstat (limited to 'net/ethtool/ioctl.c')
| -rw-r--r-- | net/ethtool/ioctl.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/net/ethtool/ioctl.c b/net/ethtool/ioctl.c index 06224a03139e..258840b19fb5 100644 --- a/net/ethtool/ioctl.c +++ b/net/ethtool/ioctl.c @@ -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) |