On Fri, Mar 18, 2022 at 02:25:37PM +0530, Prasanna Vengateshan wrote:
> Added support for get_eth_**_stats() (phy/mac/ctrl) and
> get_stats64()
>
> Reused the KSZ common APIs for get_ethtool_stats() & get_sset_count()
> along with relevant lan937x hooks for KSZ common layer and added
> support for get_strings()
> +static void lan937x_get_stats64(struct dsa_switch *ds, int port,
> + struct rtnl_link_stats64 *s)
> +{
> + struct ksz_device *dev = ds->priv;
> + struct ksz_port_mib *mib = &dev->ports[port].mib;
> + u64 *ctr = mib->counters;
> +
> + mutex_lock(&mib->cnt_mutex);
I think for stats64 you are not allowed to block.
https://lore.kernel.org/netdev/20220218104330.g3vfbpdqltdkp4sr@skbuf/T/
There was talk of changing this. but i don't think it ever happened.
Andrew
