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Merge branch 'selftests-couple-of-fixes-in-toeplitz-rps-cases'

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Gal Pressman says:

====================
selftests: Couple of fixes in Toeplitz RPS cases

Fix a couple of bugs in the RPS cases of the Toeplitz selftest.
====================

Link: https://patch.msgid.link/20260112173715.384843-1-gal@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Jakub Kicinski 2026-01-13 19:13:10 -08:00
commit dbe6b3138f
2 changed files with 6 additions and 4 deletions
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4
tools/testing/selftests/drivers/net/hw/toeplitz.c
View File

@ -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++)

6
tools/testing/selftests/drivers/net/hw/toeplitz.py
View File

@ -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