Commit e818d1d1 authored by Ido Schimmel's avatar Ido Schimmel Committed by Jakub Kicinski
Browse files

selftests: fib_rule_tests: Add DSCP mask match tests 



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: default avatarPetr Machata <petrm@nvidia.com>
Signed-off-by: default avatarIdo Schimmel <idosch@nvidia.com>
Reviewed-by: default avatarGuillaume Nault <gnault@redhat.com>
Link: https://patch.msgid.link/20250220080525.831924-7-idosch@nvidia.com


Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent 0df1328e

tools/testing/selftests/net/fib_rule_tests.sh

+38 −0
Original line number Diff line number Diff line
@@ -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()