On Tue, 19 Jun 2018 at 14:56, William Tu <u9012063@xxxxxxxxx> wrote:
>
> On Thu, Jun 14, 2018 at 11:41 PM, Anders Roxell
> <anders.roxell@xxxxxxxxxx> wrote:
> > On Thu, 14 Jun 2018 at 14:09, William Tu <u9012063@xxxxxxxxx> wrote:
> >>
> >> On Thu, Jun 14, 2018 at 4:42 AM, Anders Roxell <anders.roxell@xxxxxxxxxx> wrote:
> >> > On 14 June 2018 at 13:06, William Tu <u9012063@xxxxxxxxx> wrote:
> >> >> On Tue, Jun 12, 2018 at 5:08 PM, Daniel Borkmann <daniel@xxxxxxxxxxxxx> wrote:
> >> >>> On 06/12/2018 01:05 PM, Anders Roxell wrote:
> >> >>>> Tests test_tunnel.sh fails due to config fragments ins't enabled.
> >> >>>>
> >> >>>> Fixes: 933a741e3b82 ("selftests/bpf: bpf tunnel test.")
> >> >>>> Signed-off-by: Anders Roxell <anders.roxell@xxxxxxxxxx>
> >> >>>> ---
> >> >>>>
> >> >>>> All tests passes except ip6gretap that still fails. I'm unsure why.
> >> >>>> Ideas?
> >> >>
> >> >> Hi Anders,
> >> >>
> >> >> ip6erspan is based on ip6gretap, does ip6erspan pass?
> >> >
> >> > it did pass when I was sending the email.
> >> > However, I retested this on next-20180613 and now it fails.
> >> >
> >> Does 'ip -s link show' show any errors/dropped on ip6gretap device?
> >
> > I rerun the test_ip6gretap test only and added "set -x" to
> > test_tunnel.sh here's the output.
> > I added "ip -s link show ip6gretap11" before the cleanup function in the script.
> >
> > # ./test_tunnel.sh
> > + PING_ARG='-c 3 -w 10 -q'
> > + ret=0
> > + GREEN='\033[0;92m'
> > + RED='\033[0;31m'
> > + NC='\033[0m'
> > + trap cleanup 0 3 6
> > + trap cleanup_exit 2 9
> > + cleanup
> > + ip netns delete at_ns0
> > + ip link del veth1
> > + ip link del ipip11
> > + ip link del ipip6tnl11
> > + ip link del gretap11
> > + ip link del ip6gre11
> > + ip link del ip6gretap11
> > + ip link del vxlan11
> > + ip link del ip6vxlan11
> > + ip link del geneve11
> > + ip link del ip6geneve11
> > + ip link del erspan11
> > + ip link del ip6erspan11
> > + bpf_tunnel_test
> > + echo 'Testing IP6GRETAP tunnel...'
> > Testing IP6GRETAP tunnel...
> > + test_ip6gretap
> > + TYPE=ip6gretap
> > + DEV_NS=ip6gretap00
> > + DEV=ip6gretap11
> > + ret=0
> > + check ip6gretap
> > + ip link help ip6gretap
> > + grep -q '^Usage:'
> > + '[' 0 -ne 0 ']'
> > + config_device
> > + ip netns add at_ns0
> > + ip link add veth0 type veth peer name veth1
> > + ip link set veth0 netns at_ns0
> > + ip netns exec at_ns0 ip addr add 172.16.1.100/24 dev veth0
> > + ip netns exec at_ns0 ip link set dev veth0 up
> > + ip link set dev veth1 up mtu 1500
> > + ip addr add dev veth1 172.16.1.200/24
> > + add_ip6gretap_tunnel
> > + ip netns exec at_ns0 ip addr add ::11/96 dev veth0
> > + ip netns exec at_ns0 ip link set dev veth0 up
> > + ip addr add dev veth1 ::22/96
> > + ip link set dev veth1 up
> > + ip netns exec at_ns0 ip link add dev ip6gretap00 type ip6gretap seq
> > flowlabel 0xbcdef key 2 local ::11 remote ::22
> > + ip netns exec at_ns0 ip addr add dev ip6gretap00 10.1.1.100/24
> > + ip netns exec at_ns0 ip addr add dev ip6gretap00 fc80::100/96
> > + ip netns exec at_ns0 ip link set dev ip6gretap00 up
> > + ip link add dev ip6gretap11 type ip6gretap external
> > + ip addr add dev ip6gretap11 10.1.1.200/24
> > + ip addr add dev ip6gretap11 fc80::200/24
> > + ip link set dev ip6gretap11 up
> > + attach_bpf ip6gretap11 ip6gretap_set_tunnel ip6gretap_get_tunnel
> > + DEV=ip6gretap11
> > + SET=ip6gretap_set_tunnel
> > + GET=ip6gretap_get_tunnel
> > + tc qdisc add dev ip6gretap11 clsact
> > + tc filter add dev ip6gretap11 egress bpf da obj test_tunnel_kern.o
> > sec ip6gretap_set_tunnel
> > + tc filter add dev ip6gretap11 ingress bpf da obj test_tunnel_kern.o
> > sec ip6gretap_get_tunnel
> > + ping6 -c 3 -w 10 -q ::11
> > PING ::11 (::11): 56 data bytes
> >
> > --- ::11 ping statistics ---
> > 5 packets transmitted, 3 packets received, 40% packet loss
> > round-trip min/avg/max = 0.139/1.857/5.293 ms
> > + ip netns exec at_ns0 ping -c 3 -w 10 -q 10.1.1.200
> > PING 10.1.1.200 (10.1.1.200): 56 data bytes
> >
> > --- 10.1.1.200 ping statistics ---
> > 3 packets transmitted, 3 packets received, 0% packet loss
> > round-trip min/avg/max = 0.214/0.256/0.305 ms
> > + ping -c 3 -w 10 -q 10.1.1.100
> > PING 10.1.1.100 (10.1.1.100): 56 data bytes
> >
> > --- 10.1.1.100 ping statistics ---
> > 3 packets transmitted, 3 packets received, 0% packet loss
> > round-trip min/avg/max = 0.210/0.211/0.213 ms
> > + check_err 0
> > + '[' 0 -eq 0 ']'
> > + ret=0
> > + ip netns exec at_ns0 ping6 -c 3 -w 10 -q fc80::200
> > PING fc80::200 (fc80::200): 56 data bytes
> >
> > --- fc80::200 ping statistics ---
> > 10 packets transmitted, 0 packets received, 100% packet loss
> > + check_err 1
> > + '[' 0 -eq 0 ']'
> > + ret=1
> > + ip -s link show ip6gretap11
> > 19: ip6gretap11@NONE: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1434 qdisc
> > pfifo_fast state UNKNOWN mode DEFAULT group default qlen 1000
> > link/ether de:d2:0c:53:80:8c brd ff:ff:ff:ff:ff:ff
> > RX: bytes packets errors dropped overrun mcast
> > 2096 25 0 0 0 0
> > TX: bytes packets errors dropped carrier collsns
> > 5324 36 5 5 0 0
>
> So there are 5 errors at TX.
and today when I tried it on next-20180620 I saw 8 errors at TX.
> I couldn't reproduce in my local machine using 4.17-rc6.
> How do I checkin the "next-20180613" source code?
You can find the source code here [1], and I would look in the latest tag that I
said that I was able to reproduce it on above.
Cheers,
Anders
[1] https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/
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