diff mbox series

[net-next,6/6] selftests: fib_rule_tests: Add DSCP mask match tests

Message ID 20250220080525.831924-7-idosch@nvidia.com (mailing list archive)
State Accepted
Commit e818d1d1a6eeaa75ad7a44082e546de897308de1
Delegated to: Netdev Maintainers
Headers show
Series net: fib_rules: Add DSCP mask support | 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: 0 this patch: 0
netdev/build_tools success Errors and warnings before: 26 (+1) this patch: 26 (+1)
netdev/cc_maintainers warning 2 maintainers not CCed: shuah@kernel.org linux-kselftest@vger.kernel.org
netdev/build_clang success Errors and warnings before: 0 this patch: 0
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/deprecated_api success None detected
netdev/check_selftest success net selftest script(s) already in Makefile
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 0 this patch: 0
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 50 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-2025-02-20--18-00 (tests: 893)

Commit Message

Ido Schimmel Feb. 20, 2025, 8:05 a.m. UTC 
Add tests for FIB rules that match on DSCP with a mask. Test both good
and bad flows and both the input and output paths.

 # ./fib_rule_tests.sh
 IPv6 FIB rule tests
 [...]
    TEST: rule6 check: dscp redirect to table                           [ OK ]
    TEST: rule6 check: dscp no redirect to table                        [ OK ]
    TEST: rule6 del by pref: dscp redirect to table                     [ OK ]
    TEST: rule6 check: iif dscp redirect to table                       [ OK ]
    TEST: rule6 check: iif dscp no redirect to table                    [ OK ]
    TEST: rule6 del by pref: iif dscp redirect to table                 [ OK ]
    TEST: rule6 check: dscp masked redirect to table                    [ OK ]
    TEST: rule6 check: dscp masked no redirect to table                 [ OK ]
    TEST: rule6 del by pref: dscp masked redirect to table              [ OK ]
    TEST: rule6 check: iif dscp masked redirect to table                [ OK ]
    TEST: rule6 check: iif dscp masked no redirect to table             [ OK ]
    TEST: rule6 del by pref: iif dscp masked redirect to table          [ OK ]
 [...]

 Tests passed: 316
 Tests failed:   0

Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
---
 tools/testing/selftests/net/fib_rule_tests.sh | 38 +++++++++++++++++++
 1 file changed, 38 insertions(+)
diff mbox series

Patch

diff --git a/tools/testing/selftests/net/fib_rule_tests.sh b/tools/testing/selftests/net/fib_rule_tests.sh
index 06c51d7ceb4a..b866bab1d92a 100755
--- a/tools/testing/selftests/net/fib_rule_tests.sh
+++ b/tools/testing/selftests/net/fib_rule_tests.sh
@@ -310,6 +310,25 @@  fib_rule6_test()
 			"iif dscp no redirect to table"
 	fi
 
+	ip rule help 2>&1 | grep -q "DSCP\[/MASK\]"
+	if [ $? -eq 0 ]; then
+		match="dscp 0x0f/0x0f"
+		tosmatch=$(printf 0x"%x" $((0x1f << 2)))
+		tosnomatch=$(printf 0x"%x" $((0x1e << 2)))
+		getmatch="tos $tosmatch"
+		getnomatch="tos $tosnomatch"
+		fib_rule6_test_match_n_redirect "$match" "$getmatch" \
+			"$getnomatch" "dscp masked redirect to table" \
+			"dscp masked no redirect to table"
+
+		match="dscp 0x0f/0x0f"
+		getmatch="from $SRC_IP6 iif $DEV tos $tosmatch"
+		getnomatch="from $SRC_IP6 iif $DEV tos $tosnomatch"
+		fib_rule6_test_match_n_redirect "$match" "$getmatch" \
+			"$getnomatch" "iif dscp masked redirect to table" \
+			"iif dscp masked no redirect to table"
+	fi
+
 	fib_check_iproute_support "flowlabel" "flowlabel"
 	if [ $? -eq 0 ]; then
 		match="flowlabel 0xfffff"
@@ -597,6 +616,25 @@  fib_rule4_test()
 			"$getnomatch" "iif dscp redirect to table" \
 			"iif dscp no redirect to table"
 	fi
+
+	ip rule help 2>&1 | grep -q "DSCP\[/MASK\]"
+	if [ $? -eq 0 ]; then
+		match="dscp 0x0f/0x0f"
+		tosmatch=$(printf 0x"%x" $((0x1f << 2)))
+		tosnomatch=$(printf 0x"%x" $((0x1e << 2)))
+		getmatch="tos $tosmatch"
+		getnomatch="tos $tosnomatch"
+		fib_rule4_test_match_n_redirect "$match" "$getmatch" \
+			"$getnomatch" "dscp masked redirect to table" \
+			"dscp masked no redirect to table"
+
+		match="dscp 0x0f/0x0f"
+		getmatch="from $SRC_IP iif $DEV tos $tosmatch"
+		getnomatch="from $SRC_IP iif $DEV tos $tosnomatch"
+		fib_rule4_test_match_n_redirect "$match" "$getmatch" \
+			"$getnomatch" "iif dscp masked redirect to table" \
+			"iif dscp masked no redirect to table"
+	fi
 }
 
 fib_rule4_vrf_test()