diff options
| -rw-r--r-- | tools/testing/selftests/net/ncdevmem.c | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/tools/testing/selftests/net/ncdevmem.c b/tools/testing/selftests/net/ncdevmem.c index 645ef0bb63ec..ad6de8e0e97b 100644 --- a/tools/testing/selftests/net/ncdevmem.c +++ b/tools/testing/selftests/net/ncdevmem.c @@ -217,13 +217,18 @@ void validate_buffer(void *line, size_t size) static int reset_flow_steering(void) { - int ret = 0; - - ret = run_command("sudo ethtool -K %s ntuple off >&2", ifname); - if (ret) - return ret; - - return run_command("sudo ethtool -K %s ntuple on >&2", ifname); + /* Depending on the NIC, toggling ntuple off and on might not + * be allowed. Additionally, attempting to delete existing filters + * will fail if no filters are present. Therefore, do not enforce + * the exit status. + */ + + run_command("sudo ethtool -K %s ntuple off >&2", ifname); + run_command("sudo ethtool -K %s ntuple on >&2", ifname); + run_command( + "sudo ethtool -n %s | grep 'Filter:' | awk '{print $2}' | xargs -n1 ethtool -N %s delete >&2", + ifname, ifname); + return 0; } static int configure_headersplit(bool on) |