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selftests: forwarding: tc_actions: Use ncat instead of nc 

The test relies on 'nc' being the netcat version from the nmap project.
While this seems to be the case on Fedora, it is not the case on Ubuntu,
resulting in failures such as [1].

Fix by explicitly using the 'ncat' utility from the nmap project and the
skip the test in case it is not installed.

[1]
 # timeout set to 0
 # selftests: net/forwarding: tc_actions.sh
 # TEST: gact drop and ok (skip_hw)                                    [ OK ]
 # TEST: mirred egress flower redirect (skip_hw)                       [ OK ]
 # TEST: mirred egress flower mirror (skip_hw)                         [ OK ]
 # TEST: mirred egress matchall mirror (skip_hw)                       [ OK ]
 # TEST: mirred_egress_to_ingress (skip_hw)                            [ OK ]
 # nc: invalid option -- '-'
 # usage: nc [-46CDdFhklNnrStUuvZz] [-I length] [-i interval] [-M ttl]
 #         [-m minttl] [-O length] [-P proxy_username] [-p source_port]
 #         [-q seconds] [-s sourceaddr] [-T keyword] [-V rtable] [-W recvlimit]
 #         [-w timeout] [-X proxy_protocol] [-x proxy_address[:port]]
 #         [destination] [port]
 # nc: invalid option -- '-'
 # usage: nc [-46CDdFhklNnrStUuvZz] [-I length] [-i interval] [-M ttl]
 #         [-m minttl] [-O length] [-P proxy_username] [-p source_port]
 #         [-q seconds] [-s sourceaddr] [-T keyword] [-V rtable] [-W recvlimit]
 #         [-w timeout] [-X proxy_protocol] [-x proxy_address[:port]]
 #         [destination] [port]
 # TEST: mirred_egress_to_ingress_tcp (skip_hw)                        [FAIL]
 #       server output check failed
 # INFO: Could not test offloaded functionality
 not ok 80 selftests: net/forwarding: tc_actions.sh # exit=1

Fixes: ca22da2fbd ("act_mirred: use the backlog for nested calls to mirred ingress")
Reported-by: Mirsad Todorovac <mirsad.todorovac@alu.unizg.hr>
Closes: https://lore.kernel.org/netdev/adc5e40d-d040-a65e-eb26-edf47dac5b02@alu.unizg.hr/
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Tested-by: Mirsad Todorovac <mirsad.todorovac@alu.unizg.hr>
Reviewed-by: Hangbin Liu <liuhangbin@gmail.com>
Acked-by: Nikolay Aleksandrov <razor@blackwall.org>
Link: https://lore.kernel.org/r/20230808141503.4060661-12-idosch@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Ido Schimmel 2023-08-08 17:14:57 +03:00 committed by Jakub Kicinski
parent 23fb886a1c
commit 5e8670610b
1 changed files with 4 additions and 2 deletions
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6
tools/testing/selftests/net/forwarding/tc_actions.sh
View File

@ -9,6 +9,8 @@ NUM_NETIFS=4
source tc_common.sh
source lib.sh
require_command ncat
tcflags="skip_hw"
h1_create()
@ -220,9 +222,9 @@ mirred_egress_to_ingress_tcp_test()
ip_proto icmp \
action drop
ip vrf exec v$h1 nc --recv-only -w10 -l -p 12345 -o $mirred_e2i_tf2 &
ip vrf exec v$h1 ncat --recv-only -w10 -l -p 12345 -o $mirred_e2i_tf2 &
local rpid=$!
ip vrf exec v$h1 nc -w1 --send-only 192.0.2.2 12345 <$mirred_e2i_tf1
ip vrf exec v$h1 ncat -w1 --send-only 192.0.2.2 12345 <$mirred_e2i_tf1
wait -n $rpid
cmp -s $mirred_e2i_tf1 $mirred_e2i_tf2
check_err $? "server output check failed"