Hi Jakub, On Fri, 11 Jul 2025 16:58:13 -0700 Jakub Kicinski <[email protected]> wrote:
> On Thu, 10 Jul 2025 08:22:47 +0200 Maxime Chevallier wrote: > > +set -o pipefail > > + > > +# Check simple PHY addition and listing > > + > > +# Parent == 0 means that the PHY's parent is the netdev > > +PHY_DFS=$(make_phydev_on_netdev "$NSIM_ID" 0) > > + > > +# First PHY gets index 1 > > +index=$(ethtool --show-phys "$NSIM_NETDEV" | grep "PHY index" | cut -d ' ' > > -f 3) > > +check $? "$index" "1" > > + > > +# Insert a second PHY, same parent. It gets index 2. > > +PHY2_DFS=$(make_phydev_on_netdev "$NSIM_ID" 0) > > + > > +# Create another netdev > > +NSIM_ID2=$((RANDOM % 1024)) > > +NSIM_NETDEV_2=$(make_netdev_from_id "$NSIM_ID2") > > + > > +PHY3_DFS=$(make_phydev_on_netdev "$NSIM_ID2" 0); > > + > > +# Check unfiltered PHY Dump > > +n_phy=$(ethtool --show-phys '*' | grep -c "PHY index") > > +check $? "$n_phy" "3" > > + > > +# Check filtered Dump > > +n_phy=$(ethtool --show-phys "$NSIM_NETDEV" | grep -c "PHY index") > > +check $? "$n_phy" "2" > > Not a very strong preference, but I wonder if we should wire up the > paths to the Python lib for drivers/net/netdevsim and switch to Python? > It does the setup and cleanup and it gives us direct YNL access. > More convenient for testing new stuff than jugging ethtool builds.. > But I guess you could argue that testing the CLI is good in itself. That's totally OK for me, looking at selftests/drivers/net/netdevsim/ it was unclear to me what was the proper way forward. My python skills are not the best, I'm basically writing C using python syntax, but I can certainly give that a shot. Thanks, Maxime

