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testing: selftests: net: forwarding: add devlink-required functionality to test (hard) dropped stats field 

Add devlink_trap_drop_packets_get function, as well as test that are
used to verify devlink (hard) dropped stats functionality works.

Signed-off-by: Oleksandr Mazur <oleksandr.mazur@plvision.eu>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Oleksandr Mazur 2021-06-14 16:01:13 +03:00 committed by David S. Miller
parent ddee9dbc3d
commit 53f1bd6b28
1 changed files with 26 additions and 0 deletions
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26
tools/testing/selftests/net/forwarding/devlink_lib.sh
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@ -324,6 +324,14 @@ devlink_trap_rx_bytes_get()
| jq '.[][][]["stats"]["rx"]["bytes"]'
}
devlink_trap_drop_packets_get()
{
local trap_name=$1; shift
devlink -js trap show $DEVLINK_DEV trap $trap_name \
| jq '.[][][]["stats"]["rx"]["dropped"]'
}
devlink_trap_stats_idle_test()
{
local trap_name=$1; shift
@ -345,6 +353,24 @@ devlink_trap_stats_idle_test()
fi
}
devlink_trap_drop_stats_idle_test()
{
local trap_name=$1; shift
local t0_packets t0_bytes
t0_packets=$(devlink_trap_drop_packets_get $trap_name)
sleep 1
t1_packets=$(devlink_trap_drop_packets_get $trap_name)
if [[ $t0_packets -eq $t1_packets ]]; then
return 0
else
return 1
fi
}
devlink_traps_enable_all()
{
local trap_name