> +static void mib_monitor(struct timer_list *t)
> +{
> + struct ksz_device *dev = from_timer(dev, t, mib_read_timer);
> + const struct dsa_port *dp;
> + struct net_device *netdev;
> + struct ksz_port_mib *mib;
> + struct ksz_port *p;
> + int i;
> +
> + mod_timer(&dev->mib_read_timer, jiffies + dev->mib_read_interval);
> +
> + /* Check which port needs to read MIB counters. */
> + for (i = 0; i < dev->mib_port_cnt; i++) {
> + p = &dev->ports[i];
> + if (!p->on)
> + continue;
> + dp = dsa_to_port(dev->ds, i);
> + netdev = dp->slave;
> +
> + mib = &p->mib;
> + mutex_lock(&mib->cnt_mutex);
> +
> + /* Read only dropped counters when link is not up. */
> + if (netdev && netdev->phydev && !netdev->phydev->link)
> + mib->cnt_ptr = dev->reg_mib_cnt;
> + mutex_unlock(&mib->cnt_mutex);
> + p->read = true;
> + }
> + schedule_work(&dev->mib_read);
> +}
Hi Tristram
This is much easier to understand. Thanks for making the change.
However, i suspect Florian was suggesting you use
netif_carrier_ok(netdev), not poke around inside the phydev structure.
Andrew