On Sun, Apr 24, 2022 at 7:53 PM Eyal Birger <eyal.birger@xxxxxxxxx> wrote: > > This commit adds test_egress_md() tests which perform a similar flow as > test_egress() only that they use gre devices in collect_md mode and set > the tunnel key from lwt bpf xmit. > > VRF scenarios are not checked since it is currently not possible to set > the underlying device or vrf from bpf_set_tunnel_key(). > > This introduces minor changes to the existing setup for consistency with > the new tests: > > - GRE key must exist as bpf_set_tunnel_key() explicitly sets the > TUNNEL_KEY flag > > - Source address for GRE traffic is set to IPv*_5 instead of IPv*_1 since > GRE traffic is sent via veth5 so its address is selected when using > bpf_set_tunnel_key() > > Signed-off-by: Eyal Birger <eyal.birger@xxxxxxxxx> > --- > .../selftests/bpf/progs/test_lwt_ip_encap.c | 51 ++++++++++- > .../selftests/bpf/test_lwt_ip_encap.sh | 85 ++++++++++++++++++- > 2 files changed, 128 insertions(+), 8 deletions(-) > > diff --git a/tools/testing/selftests/bpf/progs/test_lwt_ip_encap.c b/tools/testing/selftests/bpf/progs/test_lwt_ip_encap.c > index d6cb986e7533..39c6bd5402ae 100644 > --- a/tools/testing/selftests/bpf/progs/test_lwt_ip_encap.c > +++ b/tools/testing/selftests/bpf/progs/test_lwt_ip_encap.c Thinking about this some more, I'm not sure if these tests fit better here or in test_tunnel.sh. If the latter is preferred, please drop this patch and I'll submit one for test_tunnel.sh. Eyal.
