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-rw-r--r--tools/testing/selftests/drivers/net/hw/toeplitz.c4
-rwxr-xr-xtools/testing/selftests/drivers/net/hw/toeplitz.py6
2 files changed, 6 insertions, 4 deletions
diff --git a/tools/testing/selftests/drivers/net/hw/toeplitz.c b/tools/testing/selftests/drivers/net/hw/toeplitz.c
index d23b3b0c20a3..285bb17df9c2 100644
--- a/tools/testing/selftests/drivers/net/hw/toeplitz.c
+++ b/tools/testing/selftests/drivers/net/hw/toeplitz.c
@@ -485,8 +485,8 @@ static void parse_rps_bitmap(const char *arg)
bitmap = strtoul(arg, NULL, 0);
- if (bitmap & ~(RPS_MAX_CPUS - 1))
- error(1, 0, "rps bitmap 0x%lx out of bounds 0..%lu",
+ if (bitmap & ~((1UL << RPS_MAX_CPUS) - 1))
+ error(1, 0, "rps bitmap 0x%lx out of bounds, max cpu %lu",
bitmap, RPS_MAX_CPUS - 1);
for (i = 0; i < RPS_MAX_CPUS; i++)
diff --git a/tools/testing/selftests/drivers/net/hw/toeplitz.py b/tools/testing/selftests/drivers/net/hw/toeplitz.py
index d2db5ee9e358..d288c57894f6 100755
--- a/tools/testing/selftests/drivers/net/hw/toeplitz.py
+++ b/tools/testing/selftests/drivers/net/hw/toeplitz.py
@@ -94,12 +94,14 @@ def _configure_rps(cfg, rps_cpus):
mask = 0
for cpu in rps_cpus:
mask |= (1 << cpu)
- mask = hex(mask)[2:]
+
+ mask = hex(mask)
# Set RPS bitmap for all rx queues
for rps_file in glob.glob(f"/sys/class/net/{cfg.ifname}/queues/rx-*/rps_cpus"):
with open(rps_file, "w", encoding="utf-8") as fp:
- fp.write(mask)
+ # sysfs expects hex without '0x' prefix, toeplitz.c needs the prefix
+ fp.write(mask[2:])
return mask