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selftests: forwarding: lib: Parameterize NUM_NETIFS in two functions 

setup_wait() and tc_offload_check() both assume that all NUM_NETIFS
interfaces are relevant for a given test. However, the scale test script
acts as an umbrella for a number of sub-tests, some of which may not
require all the interfaces.

Thus it's suboptimal for tc_offload_check() to query all the interfaces.
In case of setup_wait() it's incorrect, because the sub-test in question
of course doesn't configure any interfaces beyond what it needs, and
setup_wait() then ends up waiting indefinitely for the extraneous
interfaces to come up.

For that reason, give setup_wait() and tc_offload_check() an optional
parameter with a number of interfaces to probe. Fall back to global
NUM_NETIFS if the parameter is not given.

Signed-off-by: Petr Machata <petrm@mellanox.com>
Reviewed-by: Yuval Mintz <yuvalm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Petr Machata 2018-06-30 02:46:05 +02:00 committed by David S. Miller
parent 96fa91d281
commit 68d9cea594
1 changed files with 6 additions and 2 deletions
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8
tools/testing/selftests/net/forwarding/lib.sh
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@ -220,7 +220,9 @@ setup_wait_dev()
setup_wait() setup_wait()
{ {
for i in $(eval echo {1..$NUM_NETIFS}); do local num_netifs=${1:-$NUM_NETIFS}
for ((i = 1; i <= num_netifs; ++i)); do
setup_wait_dev ${NETIFS[p$i]} setup_wait_dev ${NETIFS[p$i]}
done done
@ -481,7 +483,9 @@ forwarding_restore()
tc_offload_check() tc_offload_check()
{ {
for i in $(eval echo {1..$NUM_NETIFS}); do local num_netifs=${1:-$NUM_NETIFS}
for ((i = 1; i <= num_netifs; ++i)); do
ethtool -k ${NETIFS[p$i]} \ ethtool -k ${NETIFS[p$i]} \
| grep "hw-tc-offload: on" &> /dev/null | grep "hw-tc-offload: on" &> /dev/null
if [[ $? -ne 0 ]]; then if [[ $? -ne 0 ]]; then