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Date: Fri, 15 Sep 2023 06:09:18 +0800
From: kernel test robot <lkp@...el.com>
To: Steen Hegelund <steen.hegelund@...rochip.com>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: drivers/net/ethernet/microchip/vcap/vcap_api_kunit.c:843:1: warning:
the frame size of 1228 bytes is larger than 1024 bytes
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 9fdfb15a3dbf818e06be514f4abbfc071004cbe7
commit: 67d637516fa91c718dd60acd9358a9fb0e19b7b5 net: microchip: sparx5: Adding KUNIT test for the VCAP API
date: 11 months ago
config: i386-buildonly-randconfig-003-20230915 (https://download.01.org/0day-ci/archive/20230915/202309150608.QJq73Uqn-lkp@intel.com/config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230915/202309150608.QJq73Uqn-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202309150608.QJq73Uqn-lkp@intel.com/
All warnings (new ones prefixed by >>):
In file included from drivers/net/ethernet/microchip/vcap/vcap_api.c:1183:
drivers/net/ethernet/microchip/vcap/vcap_api_kunit.c: In function 'vcap_api_encode_rule_keyset_test':
>> drivers/net/ethernet/microchip/vcap/vcap_api_kunit.c:843:1: warning: the frame size of 1228 bytes is larger than 1024 bytes [-Wframe-larger-than=]
843 | }
| ^
vim +843 drivers/net/ethernet/microchip/vcap/vcap_api_kunit.c
732
733 static void vcap_api_encode_rule_keyset_test(struct kunit *test)
734 {
735 u32 keywords[16] = {0};
736 u32 maskwords[16] = {0};
737 struct vcap_admin admin = {
738 .vtype = VCAP_TYPE_IS2,
739 .cache = {
740 .keystream = keywords,
741 .maskstream = maskwords,
742 },
743 };
744 struct vcap_rule_internal rule = {
745 .admin = &admin,
746 .data = {
747 .keyset = VCAP_KFS_MAC_ETYPE,
748 },
749 .vctrl = &test_vctrl,
750 };
751 struct vcap_client_keyfield ckf[] = {
752 {
753 .ctrl.key = VCAP_KF_TYPE,
754 .ctrl.type = VCAP_FIELD_U32,
755 .data.u32.value = 0x00,
756 .data.u32.mask = 0x0f,
757 },
758 {
759 .ctrl.key = VCAP_KF_LOOKUP_FIRST_IS,
760 .ctrl.type = VCAP_FIELD_BIT,
761 .data.u1.value = 0x01,
762 .data.u1.mask = 0x01,
763 },
764 {
765 .ctrl.key = VCAP_KF_IF_IGR_PORT_MASK_L3,
766 .ctrl.type = VCAP_FIELD_BIT,
767 .data.u1.value = 0x00,
768 .data.u1.mask = 0x01,
769 },
770 {
771 .ctrl.key = VCAP_KF_IF_IGR_PORT_MASK_RNG,
772 .ctrl.type = VCAP_FIELD_U32,
773 .data.u32.value = 0x00,
774 .data.u32.mask = 0x0f,
775 },
776 {
777 .ctrl.key = VCAP_KF_IF_IGR_PORT_MASK,
778 .ctrl.type = VCAP_FIELD_U72,
779 .data.u72.value = {0x0, 0x00, 0x00, 0x00},
780 .data.u72.mask = {0xfd, 0xff, 0xff, 0xff},
781 },
782 {
783 .ctrl.key = VCAP_KF_L2_DMAC,
784 .ctrl.type = VCAP_FIELD_U48,
785 /* Opposite endianness */
786 .data.u48.value = {0x01, 0x02, 0x03, 0x04, 0x05, 0x06},
787 .data.u48.mask = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff},
788 },
789 {
790 .ctrl.key = VCAP_KF_ETYPE_LEN_IS,
791 .ctrl.type = VCAP_FIELD_BIT,
792 .data.u1.value = 0x01,
793 .data.u1.mask = 0x01,
794 },
795 {
796 .ctrl.key = VCAP_KF_ETYPE,
797 .ctrl.type = VCAP_FIELD_U32,
798 .data.u32.value = 0xaabb,
799 .data.u32.mask = 0xffff,
800 },
801 };
802 int idx;
803 int ret;
804
805 /* Empty entry list */
806 INIT_LIST_HEAD(&rule.data.keyfields);
807 ret = vcap_encode_rule_keyset(&rule);
808 KUNIT_EXPECT_EQ(test, -EINVAL, ret);
809
810 for (idx = 0; idx < ARRAY_SIZE(ckf); idx++)
811 list_add_tail(&ckf[idx].ctrl.list, &rule.data.keyfields);
812 ret = vcap_encode_rule_keyset(&rule);
813 KUNIT_EXPECT_EQ(test, 0, ret);
814
815 /* The key and mask values below are from an actual Sparx5 rule config */
816 /* Key */
817 KUNIT_EXPECT_EQ(test, (u32)0x00000042, keywords[0]);
818 KUNIT_EXPECT_EQ(test, (u32)0x00000000, keywords[1]);
819 KUNIT_EXPECT_EQ(test, (u32)0x00000000, keywords[2]);
820 KUNIT_EXPECT_EQ(test, (u32)0x00020100, keywords[3]);
821 KUNIT_EXPECT_EQ(test, (u32)0x60504030, keywords[4]);
822 KUNIT_EXPECT_EQ(test, (u32)0x00000000, keywords[5]);
823 KUNIT_EXPECT_EQ(test, (u32)0x00000000, keywords[6]);
824 KUNIT_EXPECT_EQ(test, (u32)0x0002aaee, keywords[7]);
825 KUNIT_EXPECT_EQ(test, (u32)0x00000000, keywords[8]);
826 KUNIT_EXPECT_EQ(test, (u32)0x00000000, keywords[9]);
827 KUNIT_EXPECT_EQ(test, (u32)0x00000000, keywords[10]);
828 KUNIT_EXPECT_EQ(test, (u32)0x00000000, keywords[11]);
829
830 /* Mask: they will be inverted when applied to the register */
831 KUNIT_EXPECT_EQ(test, (u32)~0x00b07f80, maskwords[0]);
832 KUNIT_EXPECT_EQ(test, (u32)~0xfff00000, maskwords[1]);
833 KUNIT_EXPECT_EQ(test, (u32)~0xfffffffc, maskwords[2]);
834 KUNIT_EXPECT_EQ(test, (u32)~0xfff000ff, maskwords[3]);
835 KUNIT_EXPECT_EQ(test, (u32)~0x00000000, maskwords[4]);
836 KUNIT_EXPECT_EQ(test, (u32)~0xfffffff0, maskwords[5]);
837 KUNIT_EXPECT_EQ(test, (u32)~0xfffffffe, maskwords[6]);
838 KUNIT_EXPECT_EQ(test, (u32)~0xfffc0001, maskwords[7]);
839 KUNIT_EXPECT_EQ(test, (u32)~0xffffffff, maskwords[8]);
840 KUNIT_EXPECT_EQ(test, (u32)~0xffffffff, maskwords[9]);
841 KUNIT_EXPECT_EQ(test, (u32)~0xffffffff, maskwords[10]);
842 KUNIT_EXPECT_EQ(test, (u32)~0xffffffff, maskwords[11]);
> 843 }
844
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