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Message-ID: <87fryonx35.fsf@nvidia.com>
Date: Tue, 23 Jan 2024 10:55:09 +0100
From: Petr Machata <petrm@...dia.com>
To: Jakub Kicinski <kuba@...nel.org>
CC: "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
"netdev-driver-reviewers@...r.kernel.org"
<netdev-driver-reviewers@...r.kernel.org>
Subject: Re: [ANN] net-next is OPEN
Jakub Kicinski <kuba@...nel.org> writes:
> If you authored any net or drivers/net selftests, please look around
> and see if they are passing. If not - send patches or LMK what I need
> to do to make them pass on the runner.. Make sure to scroll down to
> the "Not reporting to patchwork" section.
A whole bunch of them fail because of no IPv6 support in the runner
kernel. E.g. this from bridge-mdb.sh[0]:
# Error: Rule family not supported.
# Error: Rule family not supported.
# sysctl: cannot stat /proc/sys/net/ipv6/conf/all/forwarding: No such file or directory
# sysctl: cannot stat /proc/sys/net/ipv6/conf/all/forwarding: No such file or directory
# RTNETLINK answers: Operation not supported
I'm surprised any passed at all, it's super common for tests to validate
their topology by pinging through, but I guess it's often just IPv4. I
think the fix is just this?
$ scripts/config -k -m CONFIG_IPV6
There are also a bunch of missing qdiscs, e.g. in [1], [2]. To fix:
$ scripts/config -k -m CONFIG_NET_SCH_TBF
$ scripts/config -k -m CONFIG_NET_SCH_PRIO
$ scripts/config -k -m CONFIG_NET_SCH_ETS
Regarding sch_red.sh[3], I worry the test will be noisy, and suspect it
does not make sense to run it in automated fashion. But if you think
it's worth a try:
$ scripts/config -k -m CONFIG_NET_SCH_RED
Then there are a bunch of missing netdevices. VXLAN[4]:
$ scripts/config -k -m CONFIG_VXLAN
and GRE [5], which I think needs all of these:
$ scripts/config -k -m CONFIG_NET_IPIP
$ scripts/config -k -m CONFIG_IPV6_GRE
$ scripts/config -k -m CONFIG_NET_IPGRE_DEMUX
$ scripts/config -k -m CONFIG_NET_IPGRE
And TC actions [6]. I think the following will be necessary for some of
the tests (we enable BPF as well internally).
$ scripts/config -k -m CONFIG_NET_ACT_GACT
$ scripts/config -k -m CONFIG_NET_ACT_MIRRED
$ scripts/config -k -m CONFIG_NET_ACT_SAMPLE
$ scripts/config -k -m CONFIG_NET_ACT_VLAN
$ scripts/config -k -m CONFIG_NET_ACT_SKBEDIT
$ scripts/config -k -m CONFIG_NET_ACT_PEDIT
$ scripts/config -k -m CONFIG_NET_ACT_POLICE
Hopefully the above should clean up the results a bit, I can take
another sweep afterwards.
[0] https://netdev-2.bots.linux.dev/vmksft-forwarding/results/433341/14-bridge-mdb-sh/stdout
[1] https://netdev-2.bots.linux.dev/vmksft-forwarding/results/433341/17-sch-ets-sh/stdout
[2] https://netdev-2.bots.linux.dev/vmksft-forwarding/results/433341/33-sch-tbf-prio-sh/stdout
[3] https://netdev-2.bots.linux.dev/vmksft-forwarding/results/433341/21-sch-red-sh/stdout
[4] https://netdev-2.bots.linux.dev/vmksft-forwarding/results/433341/27-mirror-gre-changes-sh/stdout
[5] https://netdev-2.bots.linux.dev/vmksft-forwarding/results/433341/18-vxlan-bridge-1d-sh/stdout
[6] https://netdev-2.bots.linux.dev/vmksft-forwarding/results/433341/42-pedit-l4port-sh/stdout
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