diff mbox series

[net-next,1/5] selftests: drv-net: rss_ctx: fix cleanup in the basic test

Message ID 20240705015725.680275-2-kuba@kernel.org (mailing list archive)
State Changes Requested
Delegated to: Netdev Maintainers
Headers show
Series selftests: drv-net: rss_ctx: more tests | expand

Checks

Context Check Description
netdev/series_format success Posting correctly formatted
netdev/tree_selection success Clearly marked for net-next
netdev/ynl success Generated files up to date; no warnings/errors; no diff in generated;
netdev/fixes_present success Fixes tag not required for -next series
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 8 this patch: 8
netdev/build_tools success Errors and warnings before: 0 this patch: 0
netdev/cc_maintainers warning 2 maintainers not CCed: linux-kselftest@vger.kernel.org shuah@kernel.org
netdev/build_clang success Errors and warnings before: 8 this patch: 8
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/deprecated_api success None detected
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 8 this patch: 8
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 26 lines checked
netdev/build_clang_rust success No Rust files in patch. Skipping build
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0
netdev/contest success net-next-2024-07-05--06-00 (tests: 695)

Commit Message

Jakub Kicinski July 5, 2024, 1:57 a.m. UTC
The basic test may fail without resetting the RSS indir table.
While at it reformat the doc a tiny bit.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
 tools/testing/selftests/drivers/net/hw/rss_ctx.py | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

Comments

Willem de Bruijn July 6, 2024, 1:53 p.m. UTC | #1
Jakub Kicinski wrote:
> The basic test may fail without resetting the RSS indir table.
> While at it reformat the doc a tiny bit.
> 
> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
> ---
>  tools/testing/selftests/drivers/net/hw/rss_ctx.py | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/tools/testing/selftests/drivers/net/hw/rss_ctx.py b/tools/testing/selftests/drivers/net/hw/rss_ctx.py
> index 475f2a63fcd5..de2a55c0f35c 100755
> --- a/tools/testing/selftests/drivers/net/hw/rss_ctx.py
> +++ b/tools/testing/selftests/drivers/net/hw/rss_ctx.py
> @@ -64,9 +64,8 @@ from lib.py import ethtool, ip, defer, GenerateTraffic, CmdExitFailure
>  
>  
>  def test_rss_key_indir(cfg):
> -    """
> -    Test basics like updating the main RSS key and indirection table.
> -    """
> +    """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)")
>  
> @@ -89,6 +88,7 @@ from lib.py import ethtool, ip, defer, GenerateTraffic, CmdExitFailure
>  
>      # 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']))
> @@ -104,7 +104,7 @@ from lib.py import ethtool, ip, defer, GenerateTraffic, CmdExitFailure
>      ksft_eq(sum(cnts[2:]), 0, "traffic on unused queues: " + str(cnts))
>  
>      # Restore, and check traffic gets spread again
> -    ethtool(f"-X {cfg.ifname} default")
> +    reset_indir.exec()

When is this explicit exec needed?
diff mbox series

Patch

diff --git a/tools/testing/selftests/drivers/net/hw/rss_ctx.py b/tools/testing/selftests/drivers/net/hw/rss_ctx.py
index 475f2a63fcd5..de2a55c0f35c 100755
--- a/tools/testing/selftests/drivers/net/hw/rss_ctx.py
+++ b/tools/testing/selftests/drivers/net/hw/rss_ctx.py
@@ -64,9 +64,8 @@  from lib.py import ethtool, ip, defer, GenerateTraffic, CmdExitFailure
 
 
 def test_rss_key_indir(cfg):
-    """
-    Test basics like updating the main RSS key and indirection table.
-    """
+    """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)")
 
@@ -89,6 +88,7 @@  from lib.py import ethtool, ip, defer, GenerateTraffic, CmdExitFailure
 
     # 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']))
@@ -104,7 +104,7 @@  from lib.py import ethtool, ip, defer, GenerateTraffic, CmdExitFailure
     ksft_eq(sum(cnts[2:]), 0, "traffic on unused queues: " + str(cnts))
 
     # Restore, and check traffic gets spread again
-    ethtool(f"-X {cfg.ifname} default")
+    reset_indir.exec()
 
     cnts = _get_rx_cnts(cfg)
     GenerateTraffic(cfg).wait_pkts_and_stop(20000)