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authorMauro Carvalho Chehab <mchehab+huawei@kernel.org>2024-08-05 08:25:09 +0200
committerMauro Carvalho Chehab <mchehab+huawei@kernel.org>2024-08-05 08:25:09 +0200
commit2c25dcc2361949bc7da730d22de36c019c6bf1e3 (patch)
tree3422f89adb17748bde8419918cb7959d79c773f3 /tools/testing/selftests/drivers/net/hw/rss_ctx.py
parentba5c778cab1dd3e4918f940989e771e2818afee8 (diff)
parentde9c2c66ad8e787abec7c9d7eff4f8c3cdd28aed (diff)
Merge tag 'v6.11-rc2' into media_stage
Linux 6.11-rc2 * tag 'v6.11-rc2': (283 commits) Linux 6.11-rc2 profiling: remove profile=sleep support arm: dts: arm: versatile-ab: Fix duplicate clock node name runtime constants: deal with old decrepit linkers clocksource: Fix brown-bag boolean thinko in cs_watchdog_read() cifs: update internal version number smb: client: fix FSCTL_GET_REPARSE_POINT against NetApp smb3: add dynamic tracepoints for shutdown ioctl cifs: Remove cifs_aio_ctx smb: client: handle lack of FSCTL_GET_REPARSE_POINT support arm64: jump_label: Ensure patched jump_labels are visible to all CPUs syscalls: fix syscall macros for newfstat/newfstatat uretprobe: change syscall number, again thermal: core: Update thermal zone registration documentation Revert "nouveau: rip out busy fence waits" protect the fetch of ->fd[fd] in do_dup2() from mispredictions x86/uaccess: Zero the 8-byte get_range case on failure on 32-bit riscv: Fix linear mapping checks for non-contiguous memory regions KVM: x86/mmu: fix determination of max NPT mapping level for private pages PCI: pciehp: Retain Power Indicator bits for userspace indicators ...
Diffstat (limited to 'tools/testing/selftests/drivers/net/hw/rss_ctx.py')
-rwxr-xr-xtools/testing/selftests/drivers/net/hw/rss_ctx.py37
1 files changed, 34 insertions, 3 deletions
diff --git a/tools/testing/selftests/drivers/net/hw/rss_ctx.py b/tools/testing/selftests/drivers/net/hw/rss_ctx.py
index 931dbc36ca43..011508ca604b 100755
--- a/tools/testing/selftests/drivers/net/hw/rss_ctx.py
+++ b/tools/testing/selftests/drivers/net/hw/rss_ctx.py
@@ -19,6 +19,15 @@ def _rss_key_rand(length):
return [random.randint(0, 255) for _ in range(length)]
+def _rss_key_check(cfg, data=None, context=0):
+ if data is None:
+ data = get_rss(cfg, context=context)
+ if 'rss-hash-key' not in data:
+ return
+ non_zero = [x for x in data['rss-hash-key'] if x != 0]
+ ksft_eq(bool(non_zero), True, comment=f"RSS key is all zero {data['rss-hash-key']}")
+
+
def get_rss(cfg, context=0):
return ethtool(f"-x {cfg.ifname} context {context}", json=True)[0]
@@ -90,8 +99,9 @@ def _send_traffic_check(cfg, port, name, params):
def test_rss_key_indir(cfg):
"""Test basics like updating the main RSS key and indirection table."""
- if len(_get_rx_cnts(cfg)) < 2:
- KsftSkipEx("Device has only one queue (or doesn't support queue stats)")
+ qcnt = len(_get_rx_cnts(cfg))
+ if qcnt < 3:
+ KsftSkipEx("Device has fewer than 3 queues (or doesn't support queue stats)")
data = get_rss(cfg)
want_keys = ['rss-hash-key', 'rss-hash-function', 'rss-indirection-table']
@@ -101,6 +111,7 @@ def test_rss_key_indir(cfg):
if not data[k]:
raise KsftFailEx(f"ethtool results empty for '{k}': {data[k]}")
+ _rss_key_check(cfg, data=data)
key_len = len(data['rss-hash-key'])
# Set the key
@@ -110,9 +121,26 @@ def test_rss_key_indir(cfg):
data = get_rss(cfg)
ksft_eq(key, data['rss-hash-key'])
+ # Set the indirection table and the key together
+ key = _rss_key_rand(key_len)
+ ethtool(f"-X {cfg.ifname} equal 3 hkey " + _rss_key_str(key))
+ reset_indir = defer(ethtool, f"-X {cfg.ifname} default")
+
+ data = get_rss(cfg)
+ _rss_key_check(cfg, data=data)
+ ksft_eq(0, min(data['rss-indirection-table']))
+ ksft_eq(2, max(data['rss-indirection-table']))
+
+ # Reset indirection table and set the key
+ key = _rss_key_rand(key_len)
+ ethtool(f"-X {cfg.ifname} default hkey " + _rss_key_str(key))
+ data = get_rss(cfg)
+ _rss_key_check(cfg, data=data)
+ ksft_eq(0, min(data['rss-indirection-table']))
+ ksft_eq(qcnt - 1, max(data['rss-indirection-table']))
+
# Set the indirection table
ethtool(f"-X {cfg.ifname} equal 2")
- reset_indir = defer(ethtool, f"-X {cfg.ifname} default")
data = get_rss(cfg)
ksft_eq(0, min(data['rss-indirection-table']))
ksft_eq(1, max(data['rss-indirection-table']))
@@ -317,8 +345,11 @@ def test_rss_context(cfg, ctx_cnt=1, create_with_cfg=None):
ctx_cnt = i
break
+ _rss_key_check(cfg, context=ctx_id)
+
if not create_with_cfg:
ethtool(f"-X {cfg.ifname} context {ctx_id} {want_cfg}")
+ _rss_key_check(cfg, context=ctx_id)
# Sanity check the context we just created
data = get_rss(cfg, ctx_id)