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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni CC: Steen Hegelund , , Randy Dunlap , "Casper Andersson" , Russell King , Wan Jiabing , "Nathan Huckleberry" , , , , "kernel test robot" Subject: [PATCH net-next v2 9/9] net: microchip: sparx5: Adding KUNIT test for the VCAP API Date: Wed, 19 Oct 2022 13:42:15 +0200 Message-ID: <20221019114215.620969-10-steen.hegelund@microchip.com> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221019114215.620969-1-steen.hegelund@microchip.com> References: <20221019114215.620969-1-steen.hegelund@microchip.com> MIME-Version: 1.0 X-Spam-Status: No, score=-4.7 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_MED, SPF_HELO_PASS,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1747117928353712555?= X-GMAIL-MSGID: =?utf-8?q?1747117928353712555?= This provides a KUNIT test suite for the VCAP APIs encoding functionality. Signed-off-by: Steen Hegelund Reported-by: kernel test robot --- drivers/net/ethernet/microchip/vcap/Kconfig | 13 + .../microchip/vcap/vcap_ag_api_kunit.h | 643 ++++++++++++ .../net/ethernet/microchip/vcap/vcap_api.c | 4 + .../net/ethernet/microchip/vcap/vcap_api.h | 3 + .../ethernet/microchip/vcap/vcap_api_kunit.c | 933 ++++++++++++++++++ 5 files changed, 1596 insertions(+) create mode 100644 drivers/net/ethernet/microchip/vcap/vcap_ag_api_kunit.h create mode 100644 drivers/net/ethernet/microchip/vcap/vcap_api_kunit.c diff --git a/drivers/net/ethernet/microchip/vcap/Kconfig b/drivers/net/ethernet/microchip/vcap/Kconfig index a78cbc6ce6bb..1af30a358a15 100644 --- a/drivers/net/ethernet/microchip/vcap/Kconfig +++ b/drivers/net/ethernet/microchip/vcap/Kconfig @@ -36,4 +36,17 @@ config VCAP characteristics. Look in the datasheet for the VCAP specifications for the specific switchcore. +config VCAP_KUNIT_TEST + bool "KUnit test for VCAP library" if !KUNIT_ALL_TESTS + depends on KUNIT + depends on KUNIT=y && VCAP=y && y + default KUNIT_ALL_TESTS + help + This builds unit tests for the VCAP library. + + For more information on KUnit and unit tests in general, please refer + to the KUnit documentation in Documentation/dev-tools/kunit/. + + If unsure, say N. + endif # NET_VENDOR_MICROCHIP diff --git a/drivers/net/ethernet/microchip/vcap/vcap_ag_api_kunit.h b/drivers/net/ethernet/microchip/vcap/vcap_ag_api_kunit.h new file mode 100644 index 000000000000..e538ca725687 --- /dev/null +++ b/drivers/net/ethernet/microchip/vcap/vcap_ag_api_kunit.h @@ -0,0 +1,643 @@ +/* SPDX-License-Identifier: BSD-3-Clause */ +/* Copyright (C) 2022 Microchip Technology Inc. and its subsidiaries. + * Microchip VCAP API interface for kunit testing + * This is a different interface, to be able to include different VCAPs + */ + +/* Use same include guard as the official API to be able to override it */ +#ifndef __VCAP_AG_API__ +#define __VCAP_AG_API__ + +enum vcap_type { + VCAP_TYPE_ES2, + VCAP_TYPE_IS0, + VCAP_TYPE_IS2, + VCAP_TYPE_MAX +}; + +/* Keyfieldset names with origin information */ +enum vcap_keyfield_set { + VCAP_KFS_NO_VALUE, /* initial value */ + VCAP_KFS_ARP, /* sparx5 is2 X6, sparx5 es2 X6 */ + VCAP_KFS_ETAG, /* sparx5 is0 X2 */ + VCAP_KFS_IP4_OTHER, /* sparx5 is2 X6, sparx5 es2 X6 */ + VCAP_KFS_IP4_TCP_UDP, /* sparx5 is2 X6, sparx5 es2 X6 */ + VCAP_KFS_IP4_VID, /* sparx5 es2 X3 */ + VCAP_KFS_IP6_STD, /* sparx5 is2 X6 */ + VCAP_KFS_IP6_VID, /* sparx5 is2 X6, sparx5 es2 X6 */ + VCAP_KFS_IP_7TUPLE, /* sparx5 is2 X12, sparx5 es2 X12 */ + VCAP_KFS_LL_FULL, /* sparx5 is0 X6 */ + VCAP_KFS_MAC_ETYPE, /* sparx5 is2 X6, sparx5 es2 X6 */ + VCAP_KFS_MLL, /* sparx5 is0 X3 */ + VCAP_KFS_NORMAL, /* sparx5 is0 X6 */ + VCAP_KFS_NORMAL_5TUPLE_IP4, /* sparx5 is0 X6 */ + VCAP_KFS_NORMAL_7TUPLE, /* sparx5 is0 X12 */ + VCAP_KFS_PURE_5TUPLE_IP4, /* sparx5 is0 X3 */ + VCAP_KFS_TRI_VID, /* sparx5 is0 X2 */ +}; + +/* List of keyfields with description + * + * Keys ending in _IS are booleans derived from frame data + * Keys ending in _CLS are classified frame data + * + * VCAP_KF_8021BR_ECID_BASE: W12, sparx5: is0 + * Used by 802.1BR Bridge Port Extension in an E-Tag + * VCAP_KF_8021BR_ECID_EXT: W8, sparx5: is0 + * Used by 802.1BR Bridge Port Extension in an E-Tag + * VCAP_KF_8021BR_E_TAGGED: W1, sparx5: is0 + * Set for frames containing an E-TAG (802.1BR Ethertype 893f) + * VCAP_KF_8021BR_GRP: W2, sparx5: is0 + * E-Tag group bits in 802.1BR Bridge Port Extension + * VCAP_KF_8021BR_IGR_ECID_BASE: W12, sparx5: is0 + * Used by 802.1BR Bridge Port Extension in an E-Tag + * VCAP_KF_8021BR_IGR_ECID_EXT: W8, sparx5: is0 + * Used by 802.1BR Bridge Port Extension in an E-Tag + * VCAP_KF_8021Q_DEI0: W1, sparx5: is0 + * First DEI in multiple vlan tags (outer tag or default port tag) + * VCAP_KF_8021Q_DEI1: W1, sparx5: is0 + * Second DEI in multiple vlan tags (inner tag) + * VCAP_KF_8021Q_DEI2: W1, sparx5: is0 + * Third DEI in multiple vlan tags (not always available) + * VCAP_KF_8021Q_DEI_CLS: W1, sparx5: is2/es2 + * Classified DEI + * VCAP_KF_8021Q_PCP0: W3, sparx5: is0 + * First PCP in multiple vlan tags (outer tag or default port tag) + * VCAP_KF_8021Q_PCP1: W3, sparx5: is0 + * Second PCP in multiple vlan tags (inner tag) + * VCAP_KF_8021Q_PCP2: W3, sparx5: is0 + * Third PCP in multiple vlan tags (not always available) + * VCAP_KF_8021Q_PCP_CLS: W3, sparx5: is2/es2 + * Classified PCP + * VCAP_KF_8021Q_TPID0: W3, sparx5: is0 + * First TPIC in multiple vlan tags (outer tag or default port tag) + * VCAP_KF_8021Q_TPID1: W3, sparx5: is0 + * Second TPID in multiple vlan tags (inner tag) + * VCAP_KF_8021Q_TPID2: W3, sparx5: is0 + * Third TPID in multiple vlan tags (not always available) + * VCAP_KF_8021Q_VID0: W12, sparx5: is0 + * First VID in multiple vlan tags (outer tag or default port tag) + * VCAP_KF_8021Q_VID1: W12, sparx5: is0 + * Second VID in multiple vlan tags (inner tag) + * VCAP_KF_8021Q_VID2: W12, sparx5: is0 + * Third VID in multiple vlan tags (not always available) + * VCAP_KF_8021Q_VID_CLS: W13, sparx5: is2/es2 + * Classified VID + * VCAP_KF_8021Q_VLAN_TAGGED_IS: W1, sparx5: is2/es2 + * Sparx5: Set if frame was received with a VLAN tag, LAN966x: Set if frame has + * one or more Q-tags. Independent of port VLAN awareness + * VCAP_KF_8021Q_VLAN_TAGS: W3, sparx5: is0 + * Number of VLAN tags in frame: 0: Untagged, 1: Single tagged, 3: Double + * tagged, 7: Triple tagged + * VCAP_KF_ACL_GRP_ID: W8, sparx5: es2 + * Used in interface map table + * VCAP_KF_ARP_ADDR_SPACE_OK_IS: W1, sparx5: is2/es2 + * Set if hardware address is Ethernet + * VCAP_KF_ARP_LEN_OK_IS: W1, sparx5: is2/es2 + * Set if hardware address length = 6 (Ethernet) and IP address length = 4 (IP). + * VCAP_KF_ARP_OPCODE: W2, sparx5: is2/es2 + * ARP opcode + * VCAP_KF_ARP_OPCODE_UNKNOWN_IS: W1, sparx5: is2/es2 + * Set if not one of the codes defined in VCAP_KF_ARP_OPCODE + * VCAP_KF_ARP_PROTO_SPACE_OK_IS: W1, sparx5: is2/es2 + * Set if protocol address space is 0x0800 + * VCAP_KF_ARP_SENDER_MATCH_IS: W1, sparx5: is2/es2 + * Sender Hardware Address = SMAC (ARP) + * VCAP_KF_ARP_TGT_MATCH_IS: W1, sparx5: is2/es2 + * Target Hardware Address = SMAC (RARP) + * VCAP_KF_COSID_CLS: W3, sparx5: es2 + * Class of service + * VCAP_KF_DST_ENTRY: W1, sparx5: is0 + * Selects whether the frame’s destination or source information is used for + * fields L2_SMAC and L3_IP4_SIP + * VCAP_KF_ES0_ISDX_KEY_ENA: W1, sparx5: es2 + * The value taken from the IFH .FWD.ES0_ISDX_KEY_ENA + * VCAP_KF_ETYPE: W16, sparx5: is0/is2/es2 + * Ethernet type + * VCAP_KF_ETYPE_LEN_IS: W1, sparx5: is0/is2/es2 + * Set if frame has EtherType >= 0x600 + * VCAP_KF_ETYPE_MPLS: W2, sparx5: is0 + * Type of MPLS Ethertype (or not) + * VCAP_KF_IF_EGR_PORT_MASK: W32, sparx5: es2 + * Egress port mask, one bit per port + * VCAP_KF_IF_EGR_PORT_MASK_RNG: W3, sparx5: es2 + * Select which 32 port group is available in IF_EGR_PORT (or virtual ports or + * CPU queue) + * VCAP_KF_IF_IGR_PORT: sparx5 is0 W7, sparx5 es2 W9 + * Sparx5: Logical ingress port number retrieved from + * ANA_CL::PORT_ID_CFG.LPORT_NUM or ERLEG, LAN966x: ingress port nunmber + * VCAP_KF_IF_IGR_PORT_MASK: sparx5 is0 W65, sparx5 is2 W32, sparx5 is2 W65 + * Ingress port mask, one bit per port/erleg + * VCAP_KF_IF_IGR_PORT_MASK_L3: W1, sparx5: is2 + * If set, IF_IGR_PORT_MASK, IF_IGR_PORT_MASK_RNG, and IF_IGR_PORT_MASK_SEL are + * used to specify L3 interfaces + * VCAP_KF_IF_IGR_PORT_MASK_RNG: W4, sparx5: is2 + * Range selector for IF_IGR_PORT_MASK. Specifies which group of 32 ports are + * available in IF_IGR_PORT_MASK + * VCAP_KF_IF_IGR_PORT_MASK_SEL: W2, sparx5: is0/is2 + * Mode selector for IF_IGR_PORT_MASK, applicable when IF_IGR_PORT_MASK_L3 == 0. + * Mapping: 0: DEFAULT 1: LOOPBACK 2: MASQUERADE 3: CPU_VD + * VCAP_KF_IF_IGR_PORT_SEL: W1, sparx5: es2 + * Selector for IF_IGR_PORT: physical port number or ERLEG + * VCAP_KF_IP4_IS: W1, sparx5: is0/is2/es2 + * Set if frame has EtherType = 0x800 and IP version = 4 + * VCAP_KF_IP_MC_IS: W1, sparx5: is0 + * Set if frame is IPv4 frame and frame’s destination MAC address is an IPv4 + * multicast address (0x01005E0 /25). Set if frame is IPv6 frame and frame’s + * destination MAC address is an IPv6 multicast address (0x3333/16). + * VCAP_KF_IP_PAYLOAD_5TUPLE: W32, sparx5: is0 + * Payload bytes after IP header + * VCAP_KF_IP_SNAP_IS: W1, sparx5: is0 + * Set if frame is IPv4, IPv6, or SNAP frame + * VCAP_KF_ISDX_CLS: W12, sparx5: is2/es2 + * Classified ISDX + * VCAP_KF_ISDX_GT0_IS: W1, sparx5: is2/es2 + * Set if classified ISDX > 0 + * VCAP_KF_L2_BC_IS: W1, sparx5: is0/is2/es2 + * Set if frame’s destination MAC address is the broadcast address + * (FF-FF-FF-FF-FF-FF). + * VCAP_KF_L2_DMAC: W48, sparx5: is0/is2/es2 + * Destination MAC address + * VCAP_KF_L2_FWD_IS: W1, sparx5: is2 + * Set if the frame is allowed to be forwarded to front ports + * VCAP_KF_L2_MC_IS: W1, sparx5: is0/is2/es2 + * Set if frame’s destination MAC address is a multicast address (bit 40 = 1). + * VCAP_KF_L2_PAYLOAD_ETYPE: W64, sparx5: is2/es2 + * Byte 0-7 of L2 payload after Type/Len field and overloading for OAM + * VCAP_KF_L2_SMAC: W48, sparx5: is0/is2/es2 + * Source MAC address + * VCAP_KF_L3_DIP_EQ_SIP_IS: W1, sparx5: is2/es2 + * Set if Src IP matches Dst IP address + * VCAP_KF_L3_DMAC_DIP_MATCH: W1, sparx5: is2 + * Match found in DIP security lookup in ANA_L3 + * VCAP_KF_L3_DPL_CLS: W1, sparx5: es2 + * The frames drop precedence level + * VCAP_KF_L3_DSCP: W6, sparx5: is0 + * Frame’s DSCP value + * VCAP_KF_L3_DST_IS: W1, sparx5: is2 + * Set if lookup is done for egress router leg + * VCAP_KF_L3_FRAGMENT_TYPE: W2, sparx5: is0/is2/es2 + * L3 Fragmentation type (none, initial, suspicious, valid follow up) + * VCAP_KF_L3_FRAG_INVLD_L4_LEN: W1, sparx5: is0/is2 + * Set if frame's L4 length is less than ANA_CL:COMMON:CLM_FRAGMENT_CFG.L4_MIN_L + * EN + * VCAP_KF_L3_IP4_DIP: W32, sparx5: is0/is2/es2 + * Destination IPv4 Address + * VCAP_KF_L3_IP4_SIP: W32, sparx5: is0/is2/es2 + * Source IPv4 Address + * VCAP_KF_L3_IP6_DIP: W128, sparx5: is0/is2/es2 + * Sparx5: Full IPv6 DIP, LAN966x: Either Full IPv6 DIP or a subset depending on + * frame type + * VCAP_KF_L3_IP6_SIP: W128, sparx5: is0/is2/es2 + * Sparx5: Full IPv6 SIP, LAN966x: Either Full IPv6 SIP or a subset depending on + * frame type + * VCAP_KF_L3_IP_PROTO: W8, sparx5: is0/is2/es2 + * IPv4 frames: IP protocol. IPv6 frames: Next header, same as for IPV4 + * VCAP_KF_L3_OPTIONS_IS: W1, sparx5: is0/is2/es2 + * Set if IPv4 frame contains options (IP len > 5) + * VCAP_KF_L3_PAYLOAD: sparx5 is2 W96, sparx5 is2 W40, sparx5 es2 W96 + * Sparx5: Payload bytes after IP header. IPv4: IPv4 options are not parsed so + * payload is always taken 20 bytes after the start of the IPv4 header, LAN966x: + * Bytes 0-6 after IP header + * VCAP_KF_L3_RT_IS: W1, sparx5: is2/es2 + * Set if frame has hit a router leg + * VCAP_KF_L3_SMAC_SIP_MATCH: W1, sparx5: is2 + * Match found in SIP security lookup in ANA_L3 + * VCAP_KF_L3_TOS: W8, sparx5: is2/es2 + * Sparx5: Frame's IPv4/IPv6 DSCP and ECN fields, LAN966x: IP TOS field + * VCAP_KF_L3_TTL_GT0: W1, sparx5: is2/es2 + * Set if IPv4 TTL / IPv6 hop limit is greater than 0 + * VCAP_KF_L4_ACK: W1, sparx5: is2/es2 + * Sparx5 and LAN966x: TCP flag ACK, LAN966x only: PTP over UDP: flagField bit 2 + * (unicastFlag) + * VCAP_KF_L4_DPORT: W16, sparx5: is2/es2 + * Sparx5: TCP/UDP destination port. Overloading for IP_7TUPLE: Non-TCP/UDP IP + * frames: L4_DPORT = L3_IP_PROTO, LAN966x: TCP/UDP destination port + * VCAP_KF_L4_FIN: W1, sparx5: is2/es2 + * TCP flag FIN, LAN966x: TCP flag FIN, and for PTP over UDP: messageType bit 1 + * VCAP_KF_L4_PAYLOAD: W64, sparx5: is2/es2 + * Payload bytes after TCP/UDP header Overloading for IP_7TUPLE: Non TCP/UDP + * frames: Payload bytes 0–7 after IP header. IPv4 options are not parsed so + * payload is always taken 20 bytes after the start of the IPv4 header for non + * TCP/UDP IPv4 frames + * VCAP_KF_L4_PSH: W1, sparx5: is2/es2 + * Sparx5: TCP flag PSH, LAN966x: TCP: TCP flag PSH. PTP over UDP: flagField bit + * 1 (twoStepFlag) + * VCAP_KF_L4_RNG: sparx5 is0 W8, sparx5 is2 W16, sparx5 es2 W16 + * Range checker bitmask (one for each range checker). Input into range checkers + * is taken from classified results (VID, DSCP) and frame (SPORT, DPORT, ETYPE, + * outer VID, inner VID) + * VCAP_KF_L4_RST: W1, sparx5: is2/es2 + * Sparx5: TCP flag RST , LAN966x: TCP: TCP flag RST. PTP over UDP: messageType + * bit 3 + * VCAP_KF_L4_SEQUENCE_EQ0_IS: W1, sparx5: is2/es2 + * Set if TCP sequence number is 0, LAN966x: Overlayed with PTP over UDP: + * messageType bit 0 + * VCAP_KF_L4_SPORT: W16, sparx5: is0/is2/es2 + * TCP/UDP source port + * VCAP_KF_L4_SPORT_EQ_DPORT_IS: W1, sparx5: is2/es2 + * Set if UDP or TCP source port equals UDP or TCP destination port + * VCAP_KF_L4_SYN: W1, sparx5: is2/es2 + * Sparx5: TCP flag SYN, LAN966x: TCP: TCP flag SYN. PTP over UDP: messageType + * bit 2 + * VCAP_KF_L4_URG: W1, sparx5: is2/es2 + * Sparx5: TCP flag URG, LAN966x: TCP: TCP flag URG. PTP over UDP: flagField bit + * 7 (reserved) + * VCAP_KF_LOOKUP_FIRST_IS: W1, sparx5: is0/is2/es2 + * Selects between entries relevant for first and second lookup. Set for first + * lookup, cleared for second lookup. + * VCAP_KF_LOOKUP_GEN_IDX: W12, sparx5: is0 + * Generic index - for chaining CLM instances + * VCAP_KF_LOOKUP_GEN_IDX_SEL: W2, sparx5: is0 + * Select the mode of the Generic Index + * VCAP_KF_LOOKUP_PAG: W8, sparx5: is2 + * Classified Policy Association Group: chains rules from IS1/CLM to IS2 + * VCAP_KF_OAM_CCM_CNTS_EQ0: W1, sparx5: is2/es2 + * Dual-ended loss measurement counters in CCM frames are all zero + * VCAP_KF_OAM_MEL_FLAGS: W7, sparx5: is0 + * Encoding of MD level/MEG level (MEL) + * VCAP_KF_OAM_Y1731_IS: W1, sparx5: is0/is2/es2 + * Set if frame’s EtherType = 0x8902 + * VCAP_KF_PROT_ACTIVE: W1, sparx5: es2 + * Protection is active + * VCAP_KF_TCP_IS: W1, sparx5: is0/is2/es2 + * Set if frame is IPv4 TCP frame (IP protocol = 6) or IPv6 TCP frames (Next + * header = 6) + * VCAP_KF_TCP_UDP_IS: W1, sparx5: is0/is2/es2 + * Set if frame is IPv4/IPv6 TCP or UDP frame (IP protocol/next header equals 6 + * or 17) + * VCAP_KF_TYPE: sparx5 is0 W2, sparx5 is0 W1, sparx5 is2 W4, sparx5 is2 W2, + * sparx5 es2 W3 + * Keyset type id - set by the API + */ + +/* Keyfield names */ +enum vcap_key_field { + VCAP_KF_NO_VALUE, /* initial value */ + VCAP_KF_8021BR_ECID_BASE, + VCAP_KF_8021BR_ECID_EXT, + VCAP_KF_8021BR_E_TAGGED, + VCAP_KF_8021BR_GRP, + VCAP_KF_8021BR_IGR_ECID_BASE, + VCAP_KF_8021BR_IGR_ECID_EXT, + VCAP_KF_8021Q_DEI0, + VCAP_KF_8021Q_DEI1, + VCAP_KF_8021Q_DEI2, + VCAP_KF_8021Q_DEI_CLS, + VCAP_KF_8021Q_PCP0, + VCAP_KF_8021Q_PCP1, + VCAP_KF_8021Q_PCP2, + VCAP_KF_8021Q_PCP_CLS, + VCAP_KF_8021Q_TPID0, + VCAP_KF_8021Q_TPID1, + VCAP_KF_8021Q_TPID2, + VCAP_KF_8021Q_VID0, + VCAP_KF_8021Q_VID1, + VCAP_KF_8021Q_VID2, + VCAP_KF_8021Q_VID_CLS, + VCAP_KF_8021Q_VLAN_TAGGED_IS, + VCAP_KF_8021Q_VLAN_TAGS, + VCAP_KF_ACL_GRP_ID, + VCAP_KF_ARP_ADDR_SPACE_OK_IS, + VCAP_KF_ARP_LEN_OK_IS, + VCAP_KF_ARP_OPCODE, + VCAP_KF_ARP_OPCODE_UNKNOWN_IS, + VCAP_KF_ARP_PROTO_SPACE_OK_IS, + VCAP_KF_ARP_SENDER_MATCH_IS, + VCAP_KF_ARP_TGT_MATCH_IS, + VCAP_KF_COSID_CLS, + VCAP_KF_DST_ENTRY, + VCAP_KF_ES0_ISDX_KEY_ENA, + VCAP_KF_ETYPE, + VCAP_KF_ETYPE_LEN_IS, + VCAP_KF_ETYPE_MPLS, + VCAP_KF_IF_EGR_PORT_MASK, + VCAP_KF_IF_EGR_PORT_MASK_RNG, + VCAP_KF_IF_IGR_PORT, + VCAP_KF_IF_IGR_PORT_MASK, + VCAP_KF_IF_IGR_PORT_MASK_L3, + VCAP_KF_IF_IGR_PORT_MASK_RNG, + VCAP_KF_IF_IGR_PORT_MASK_SEL, + VCAP_KF_IF_IGR_PORT_SEL, + VCAP_KF_IP4_IS, + VCAP_KF_IP_MC_IS, + VCAP_KF_IP_PAYLOAD_5TUPLE, + VCAP_KF_IP_SNAP_IS, + VCAP_KF_ISDX_CLS, + VCAP_KF_ISDX_GT0_IS, + VCAP_KF_L2_BC_IS, + VCAP_KF_L2_DMAC, + VCAP_KF_L2_FWD_IS, + VCAP_KF_L2_MC_IS, + VCAP_KF_L2_PAYLOAD_ETYPE, + VCAP_KF_L2_SMAC, + VCAP_KF_L3_DIP_EQ_SIP_IS, + VCAP_KF_L3_DMAC_DIP_MATCH, + VCAP_KF_L3_DPL_CLS, + VCAP_KF_L3_DSCP, + VCAP_KF_L3_DST_IS, + VCAP_KF_L3_FRAGMENT_TYPE, + VCAP_KF_L3_FRAG_INVLD_L4_LEN, + VCAP_KF_L3_IP4_DIP, + VCAP_KF_L3_IP4_SIP, + VCAP_KF_L3_IP6_DIP, + VCAP_KF_L3_IP6_SIP, + VCAP_KF_L3_IP_PROTO, + VCAP_KF_L3_OPTIONS_IS, + VCAP_KF_L3_PAYLOAD, + VCAP_KF_L3_RT_IS, + VCAP_KF_L3_SMAC_SIP_MATCH, + VCAP_KF_L3_TOS, + VCAP_KF_L3_TTL_GT0, + VCAP_KF_L4_ACK, + VCAP_KF_L4_DPORT, + VCAP_KF_L4_FIN, + VCAP_KF_L4_PAYLOAD, + VCAP_KF_L4_PSH, + VCAP_KF_L4_RNG, + VCAP_KF_L4_RST, + VCAP_KF_L4_SEQUENCE_EQ0_IS, + VCAP_KF_L4_SPORT, + VCAP_KF_L4_SPORT_EQ_DPORT_IS, + VCAP_KF_L4_SYN, + VCAP_KF_L4_URG, + VCAP_KF_LOOKUP_FIRST_IS, + VCAP_KF_LOOKUP_GEN_IDX, + VCAP_KF_LOOKUP_GEN_IDX_SEL, + VCAP_KF_LOOKUP_PAG, + VCAP_KF_MIRROR_ENA, + VCAP_KF_OAM_CCM_CNTS_EQ0, + VCAP_KF_OAM_MEL_FLAGS, + VCAP_KF_OAM_Y1731_IS, + VCAP_KF_PROT_ACTIVE, + VCAP_KF_TCP_IS, + VCAP_KF_TCP_UDP_IS, + VCAP_KF_TYPE, +}; + +/* Actionset names with origin information */ +enum vcap_actionfield_set { + VCAP_AFS_NO_VALUE, /* initial value */ + VCAP_AFS_BASE_TYPE, /* sparx5 is2 X3, sparx5 es2 X3 */ + VCAP_AFS_CLASSIFICATION, /* sparx5 is0 X2 */ + VCAP_AFS_CLASS_REDUCED, /* sparx5 is0 X1 */ + VCAP_AFS_FULL, /* sparx5 is0 X3 */ + VCAP_AFS_MLBS, /* sparx5 is0 X2 */ + VCAP_AFS_MLBS_REDUCED, /* sparx5 is0 X1 */ +}; + +/* List of actionfields with description + * + * VCAP_AF_CLS_VID_SEL: W3, sparx5: is0 + * Controls the classified VID: 0: VID_NONE: No action. 1: VID_ADD: New VID = + * old VID + VID_VAL. 2: VID_REPLACE: New VID = VID_VAL. 3: VID_FIRST_TAG: New + * VID = VID from frame's first tag (outer tag) if available, otherwise VID_VAL. + * 4: VID_SECOND_TAG: New VID = VID from frame's second tag (middle tag) if + * available, otherwise VID_VAL. 5: VID_THIRD_TAG: New VID = VID from frame's + * third tag (inner tag) if available, otherwise VID_VAL. + * VCAP_AF_CNT_ID: sparx5 is2 W12, sparx5 es2 W11 + * Counter ID, used per lookup to index the 4K frame counters (ANA_ACL:CNT_TBL). + * Multiple VCAP IS2 entries can use the same counter. + * VCAP_AF_COPY_PORT_NUM: W7, sparx5: es2 + * QSYS port number when FWD_MODE is redirect or copy + * VCAP_AF_COPY_QUEUE_NUM: W16, sparx5: es2 + * QSYS queue number when FWD_MODE is redirect or copy + * VCAP_AF_CPU_COPY_ENA: W1, sparx5: is2/es2 + * Setting this bit to 1 causes all frames that hit this action to be copied to + * the CPU extraction queue specified in CPU_QUEUE_NUM. + * VCAP_AF_CPU_QUEUE_NUM: W3, sparx5: is2/es2 + * CPU queue number. Used when CPU_COPY_ENA is set. + * VCAP_AF_DEI_ENA: W1, sparx5: is0 + * If set, use DEI_VAL as classified DEI value. Otherwise, DEI from basic + * classification is used + * VCAP_AF_DEI_VAL: W1, sparx5: is0 + * See DEI_ENA + * VCAP_AF_DP_ENA: W1, sparx5: is0 + * If set, use DP_VAL as classified drop precedence level. Otherwise, drop + * precedence level from basic classification is used. + * VCAP_AF_DP_VAL: W2, sparx5: is0 + * See DP_ENA. + * VCAP_AF_DSCP_ENA: W1, sparx5: is0 + * If set, use DSCP_VAL as classified DSCP value. Otherwise, DSCP value from + * basic classification is used. + * VCAP_AF_DSCP_VAL: W6, sparx5: is0 + * See DSCP_ENA. + * VCAP_AF_ES2_REW_CMD: W3, sparx5: es2 + * Command forwarded to REW: 0: No action. 1: SWAP MAC addresses. 2: Do L2CP + * DMAC translation when entering or leaving a tunnel. + * VCAP_AF_FWD_MODE: W2, sparx5: es2 + * Forward selector: 0: Forward. 1: Discard. 2: Redirect. 3: Copy. + * VCAP_AF_HIT_ME_ONCE: W1, sparx5: is2/es2 + * Setting this bit to 1 causes the first frame that hits this action where the + * HIT_CNT counter is zero to be copied to the CPU extraction queue specified in + * CPU_QUEUE_NUM. The HIT_CNT counter is then incremented and any frames that + * hit this action later are not copied to the CPU. To re-enable the HIT_ME_ONCE + * functionality, the HIT_CNT counter must be cleared. + * VCAP_AF_IGNORE_PIPELINE_CTRL: W1, sparx5: is2/es2 + * Ignore ingress pipeline control. This enforces the use of the VCAP IS2 action + * even when the pipeline control has terminated the frame before VCAP IS2. + * VCAP_AF_INTR_ENA: W1, sparx5: is2/es2 + * If set, an interrupt is triggered when this rule is hit + * VCAP_AF_ISDX_ADD_REPLACE_SEL: W1, sparx5: is0 + * Controls the classified ISDX. 0: New ISDX = old ISDX + ISDX_VAL. 1: New ISDX + * = ISDX_VAL. + * VCAP_AF_ISDX_VAL: W12, sparx5: is0 + * See isdx_add_replace_sel + * VCAP_AF_LRN_DIS: W1, sparx5: is2 + * Setting this bit to 1 disables learning of frames hitting this action. + * VCAP_AF_MAP_IDX: W9, sparx5: is0 + * Index for QoS mapping table lookup + * VCAP_AF_MAP_KEY: W3, sparx5: is0 + * Key type for QoS mapping table lookup. 0: DEI0, PCP0 (outer tag). 1: DEI1, + * PCP1 (middle tag). 2: DEI2, PCP2 (inner tag). 3: MPLS TC. 4: PCP0 (outer + * tag). 5: E-DEI, E-PCP (E-TAG). 6: DSCP if available, otherwise none. 7: DSCP + * if available, otherwise DEI0, PCP0 (outer tag) if available using MAP_IDX+8, + * otherwise none + * VCAP_AF_MAP_LOOKUP_SEL: W2, sparx5: is0 + * Selects which of the two QoS Mapping Table lookups that MAP_KEY and MAP_IDX + * are applied to. 0: No changes to the QoS Mapping Table lookup. 1: Update key + * type and index for QoS Mapping Table lookup #0. 2: Update key type and index + * for QoS Mapping Table lookup #1. 3: Reserved. + * VCAP_AF_MASK_MODE: W3, sparx5: is0/is2 + * Controls the PORT_MASK use. Sparx5: 0: OR_DSTMASK, 1: AND_VLANMASK, 2: + * REPLACE_PGID, 3: REPLACE_ALL, 4: REDIR_PGID, 5: OR_PGID_MASK, 6: VSTAX, 7: + * Not applicable. LAN966X: 0: No action, 1: Permit/deny (AND), 2: Policy + * forwarding (DMAC lookup), 3: Redirect. The CPU port is untouched by + * MASK_MODE. + * VCAP_AF_MATCH_ID: W16, sparx5: is0/is2 + * Logical ID for the entry. The MATCH_ID is extracted together with the frame + * if the frame is forwarded to the CPU (CPU_COPY_ENA). The result is placed in + * IFH.CL_RSLT. + * VCAP_AF_MATCH_ID_MASK: W16, sparx5: is0/is2 + * Mask used by MATCH_ID. + * VCAP_AF_MIRROR_PROBE: W2, sparx5: is2 + * Mirroring performed according to configuration of a mirror probe. 0: No + * mirroring. 1: Mirror probe 0. 2: Mirror probe 1. 3: Mirror probe 2 + * VCAP_AF_MIRROR_PROBE_ID: W2, sparx5: es2 + * Signals a mirror probe to be placed in the IFH. Only possible when FWD_MODE + * is copy. 0: No mirroring. 1–3: Use mirror probe 0-2. + * VCAP_AF_NXT_IDX: W12, sparx5: is0 + * Index used as part of key (field G_IDX) in the next lookup. + * VCAP_AF_NXT_IDX_CTRL: W3, sparx5: is0 + * Controls the generation of the G_IDX used in the VCAP CLM next lookup + * VCAP_AF_PAG_OVERRIDE_MASK: W8, sparx5: is0 + * Bits set in this mask will override PAG_VAL from port profile.  New PAG = + * (PAG (input) AND ~PAG_OVERRIDE_MASK) OR (PAG_VAL AND PAG_OVERRIDE_MASK) + * VCAP_AF_PAG_VAL: W8, sparx5: is0 + * See PAG_OVERRIDE_MASK. + * VCAP_AF_PCP_ENA: W1, sparx5: is0 + * If set, use PCP_VAL as classified PCP value. Otherwise, PCP from basic + * classification is used. + * VCAP_AF_PCP_VAL: W3, sparx5: is0 + * See PCP_ENA. + * VCAP_AF_PIPELINE_FORCE_ENA: sparx5 is0 W2, sparx5 is2 W1 + * If set, use PIPELINE_PT unconditionally and set PIPELINE_ACT = NONE if + * PIPELINE_PT == NONE. Overrules previous settings of pipeline point. + * VCAP_AF_PIPELINE_PT: W5, sparx5: is0/is2 + * Pipeline point used if PIPELINE_FORCE_ENA is set + * VCAP_AF_POLICE_ENA: W1, sparx5: is2/es2 + * Setting this bit to 1 causes frames that hit this action to be policed by the + * ACL policer specified in POLICE_IDX. Only applies to the first lookup. + * VCAP_AF_POLICE_IDX: W6, sparx5: is2/es2 + * Selects VCAP policer used when policing frames (POLICE_ENA) + * VCAP_AF_POLICE_REMARK: W1, sparx5: es2 + * If set, frames exceeding policer rates are marked as yellow but not + * discarded. + * VCAP_AF_PORT_MASK: sparx5 is0 W65, sparx5 is2 W68 + * Port mask applied to the forwarding decision based on MASK_MODE. + * VCAP_AF_QOS_ENA: W1, sparx5: is0 + * If set, use QOS_VAL as classified QoS class. Otherwise, QoS class from basic + * classification is used. + * VCAP_AF_QOS_VAL: W3, sparx5: is0 + * See QOS_ENA. + * VCAP_AF_RT_DIS: W1, sparx5: is2 + * If set, routing is disallowed. Only applies when IS_INNER_ACL is 0. See also + * IGR_ACL_ENA, EGR_ACL_ENA, and RLEG_STAT_IDX. + * VCAP_AF_TYPE: W1, sparx5: is0 + * Actionset type id - Set by the API + * VCAP_AF_VID_VAL: W13, sparx5: is0 + * New VID Value + */ + +/* Actionfield names */ +enum vcap_action_field { + VCAP_AF_NO_VALUE, /* initial value */ + VCAP_AF_ACL_MAC, + VCAP_AF_ACL_RT_MODE, + VCAP_AF_CLS_VID_SEL, + VCAP_AF_CNT_ID, + VCAP_AF_COPY_PORT_NUM, + VCAP_AF_COPY_QUEUE_NUM, + VCAP_AF_COSID_ENA, + VCAP_AF_COSID_VAL, + VCAP_AF_CPU_COPY_ENA, + VCAP_AF_CPU_DIS, + VCAP_AF_CPU_ENA, + VCAP_AF_CPU_Q, + VCAP_AF_CPU_QUEUE_NUM, + VCAP_AF_CUSTOM_ACE_ENA, + VCAP_AF_CUSTOM_ACE_OFFSET, + VCAP_AF_DEI_ENA, + VCAP_AF_DEI_VAL, + VCAP_AF_DLB_OFFSET, + VCAP_AF_DMAC_OFFSET_ENA, + VCAP_AF_DP_ENA, + VCAP_AF_DP_VAL, + VCAP_AF_DSCP_ENA, + VCAP_AF_DSCP_VAL, + VCAP_AF_EGR_ACL_ENA, + VCAP_AF_ES2_REW_CMD, + VCAP_AF_FWD_DIS, + VCAP_AF_FWD_MODE, + VCAP_AF_FWD_TYPE, + VCAP_AF_GVID_ADD_REPLACE_SEL, + VCAP_AF_HIT_ME_ONCE, + VCAP_AF_IGNORE_PIPELINE_CTRL, + VCAP_AF_IGR_ACL_ENA, + VCAP_AF_INJ_MASQ_ENA, + VCAP_AF_INJ_MASQ_LPORT, + VCAP_AF_INJ_MASQ_PORT, + VCAP_AF_INTR_ENA, + VCAP_AF_ISDX_ADD_REPLACE_SEL, + VCAP_AF_ISDX_VAL, + VCAP_AF_IS_INNER_ACL, + VCAP_AF_L3_MAC_UPDATE_DIS, + VCAP_AF_LOG_MSG_INTERVAL, + VCAP_AF_LPM_AFFIX_ENA, + VCAP_AF_LPM_AFFIX_VAL, + VCAP_AF_LPORT_ENA, + VCAP_AF_LRN_DIS, + VCAP_AF_MAP_IDX, + VCAP_AF_MAP_KEY, + VCAP_AF_MAP_LOOKUP_SEL, + VCAP_AF_MASK_MODE, + VCAP_AF_MATCH_ID, + VCAP_AF_MATCH_ID_MASK, + VCAP_AF_MIP_SEL, + VCAP_AF_MIRROR_PROBE, + VCAP_AF_MIRROR_PROBE_ID, + VCAP_AF_MPLS_IP_CTRL_ENA, + VCAP_AF_MPLS_MEP_ENA, + VCAP_AF_MPLS_MIP_ENA, + VCAP_AF_MPLS_OAM_FLAVOR, + VCAP_AF_MPLS_OAM_TYPE, + VCAP_AF_NUM_VLD_LABELS, + VCAP_AF_NXT_IDX, + VCAP_AF_NXT_IDX_CTRL, + VCAP_AF_NXT_KEY_TYPE, + VCAP_AF_NXT_NORMALIZE, + VCAP_AF_NXT_NORM_W16_OFFSET, + VCAP_AF_NXT_NORM_W32_OFFSET, + VCAP_AF_NXT_OFFSET_FROM_TYPE, + VCAP_AF_NXT_TYPE_AFTER_OFFSET, + VCAP_AF_OAM_IP_BFD_ENA, + VCAP_AF_OAM_TWAMP_ENA, + VCAP_AF_OAM_Y1731_SEL, + VCAP_AF_PAG_OVERRIDE_MASK, + VCAP_AF_PAG_VAL, + VCAP_AF_PCP_ENA, + VCAP_AF_PCP_VAL, + VCAP_AF_PIPELINE_ACT_SEL, + VCAP_AF_PIPELINE_FORCE_ENA, + VCAP_AF_PIPELINE_PT, + VCAP_AF_PIPELINE_PT_REDUCED, + VCAP_AF_POLICE_ENA, + VCAP_AF_POLICE_IDX, + VCAP_AF_POLICE_REMARK, + VCAP_AF_PORT_MASK, + VCAP_AF_PTP_MASTER_SEL, + VCAP_AF_QOS_ENA, + VCAP_AF_QOS_VAL, + VCAP_AF_REW_CMD, + VCAP_AF_RLEG_DMAC_CHK_DIS, + VCAP_AF_RLEG_STAT_IDX, + VCAP_AF_RSDX_ENA, + VCAP_AF_RSDX_VAL, + VCAP_AF_RSVD_LBL_VAL, + VCAP_AF_RT_DIS, + VCAP_AF_RT_SEL, + VCAP_AF_S2_KEY_SEL_ENA, + VCAP_AF_S2_KEY_SEL_IDX, + VCAP_AF_SAM_SEQ_ENA, + VCAP_AF_SIP_IDX, + VCAP_AF_SWAP_MAC_ENA, + VCAP_AF_TCP_UDP_DPORT, + VCAP_AF_TCP_UDP_ENA, + VCAP_AF_TCP_UDP_SPORT, + VCAP_AF_TC_ENA, + VCAP_AF_TC_LABEL, + VCAP_AF_TPID_SEL, + VCAP_AF_TTL_DECR_DIS, + VCAP_AF_TTL_ENA, + VCAP_AF_TTL_LABEL, + VCAP_AF_TTL_UPDATE_ENA, + VCAP_AF_TYPE, + VCAP_AF_VID_VAL, + VCAP_AF_VLAN_POP_CNT, + VCAP_AF_VLAN_POP_CNT_ENA, + VCAP_AF_VLAN_PUSH_CNT, + VCAP_AF_VLAN_PUSH_CNT_ENA, + VCAP_AF_VLAN_WAS_TAGGED, +}; + +#endif /* __VCAP_AG_API__ */ diff --git a/drivers/net/ethernet/microchip/vcap/vcap_api.c b/drivers/net/ethernet/microchip/vcap/vcap_api.c index 06290fd27cc1..5c3f689d7da7 100644 --- a/drivers/net/ethernet/microchip/vcap/vcap_api.c +++ b/drivers/net/ethernet/microchip/vcap/vcap_api.c @@ -1136,3 +1136,7 @@ int vcap_rule_add_action_u32(struct vcap_rule *rule, return vcap_rule_add_action(rule, action, VCAP_FIELD_U32, &data); } EXPORT_SYMBOL_GPL(vcap_rule_add_action_u32); + +#ifdef CONFIG_VCAP_KUNIT_TEST +#include "vcap_api_kunit.c" +#endif diff --git a/drivers/net/ethernet/microchip/vcap/vcap_api.h b/drivers/net/ethernet/microchip/vcap/vcap_api.h index 4444bf67ebec..eb2eae75c7e8 100644 --- a/drivers/net/ethernet/microchip/vcap/vcap_api.h +++ b/drivers/net/ethernet/microchip/vcap/vcap_api.h @@ -11,6 +11,9 @@ #include /* Use the generated API model */ +#ifdef CONFIG_VCAP_KUNIT_TEST +#include "vcap_ag_api_kunit.h" +#endif #include "vcap_ag_api.h" #define VCAP_CID_LOOKUP_SIZE 100000 /* Chains in a lookup */ diff --git a/drivers/net/ethernet/microchip/vcap/vcap_api_kunit.c b/drivers/net/ethernet/microchip/vcap/vcap_api_kunit.c new file mode 100644 index 000000000000..b01a6e5039b0 --- /dev/null +++ b/drivers/net/ethernet/microchip/vcap/vcap_api_kunit.c @@ -0,0 +1,933 @@ +// SPDX-License-Identifier: BSD-3-Clause +/* Copyright (C) 2022 Microchip Technology Inc. and its subsidiaries. + * Microchip VCAP API kunit test suite + */ + +#include +#include "vcap_api.h" +#include "vcap_api_client.h" +#include "vcap_model_kunit.h" + +/* First we have the test infrastructure that emulates the platform + * implementation + */ +#define TEST_BUF_CNT 100 +#define TEST_BUF_SZ 350 +#define STREAMWSIZE 64 + +static u32 test_updateaddr[STREAMWSIZE] = {}; +static int test_updateaddridx; +static int test_cache_erase_count; +static u32 test_init_start; +static u32 test_init_count; +static u32 test_hw_counter_id; +static struct vcap_cache_data test_hw_cache; + +/* Callback used by the VCAP API */ +static enum vcap_keyfield_set test_val_keyset(struct net_device *ndev, + struct vcap_admin *admin, + struct vcap_rule *rule, + struct vcap_keyset_list *kslist, + u16 l3_proto) +{ + int idx; + + if (kslist->cnt > 0) { + switch (admin->vtype) { + case VCAP_TYPE_IS0: + for (idx = 0; idx < kslist->cnt; idx++) { + if (kslist->keysets[idx] == VCAP_KFS_ETAG) + return kslist->keysets[idx]; + if (kslist->keysets[idx] == VCAP_KFS_PURE_5TUPLE_IP4) + return kslist->keysets[idx]; + if (kslist->keysets[idx] == VCAP_KFS_NORMAL_5TUPLE_IP4) + return kslist->keysets[idx]; + if (kslist->keysets[idx] == VCAP_KFS_NORMAL_7TUPLE) + return kslist->keysets[idx]; + } + break; + case VCAP_TYPE_IS2: + for (idx = 0; idx < kslist->cnt; idx++) { + if (kslist->keysets[idx] == VCAP_KFS_MAC_ETYPE) + return kslist->keysets[idx]; + if (kslist->keysets[idx] == VCAP_KFS_ARP) + return kslist->keysets[idx]; + if (kslist->keysets[idx] == VCAP_KFS_IP_7TUPLE) + return kslist->keysets[idx]; + } + break; + default: + pr_info("%s:%d: no validation for VCAP %d\n", + __func__, __LINE__, admin->vtype); + break; + } + } + return -EINVAL; +} + +/* Callback used by the VCAP API */ +static void test_add_def_fields(struct net_device *ndev, + struct vcap_admin *admin, + struct vcap_rule *rule) +{ + if (admin->vinst == 0 || admin->vinst == 2) + vcap_rule_add_key_bit(rule, VCAP_KF_LOOKUP_FIRST_IS, VCAP_BIT_1); + else + vcap_rule_add_key_bit(rule, VCAP_KF_LOOKUP_FIRST_IS, VCAP_BIT_0); +} + +/* Callback used by the VCAP API */ +static void test_cache_erase(struct vcap_admin *admin) +{ + if (test_cache_erase_count) { + memset(admin->cache.keystream, 0, test_cache_erase_count); + memset(admin->cache.maskstream, 0, test_cache_erase_count); + memset(admin->cache.actionstream, 0, test_cache_erase_count); + test_cache_erase_count = 0; + } +} + +/* Callback used by the VCAP API */ +static void test_cache_init(struct net_device *ndev, struct vcap_admin *admin, + u32 start, u32 count) +{ + test_init_start = start; + test_init_count = count; +} + +/* Callback used by the VCAP API */ +static void test_cache_read(struct net_device *ndev, struct vcap_admin *admin, + enum vcap_selection sel, u32 start, u32 count) +{ + u32 *keystr, *mskstr, *actstr; + int idx; + + pr_debug("%s:%d: %d %d\n", __func__, __LINE__, start, count); + switch (sel) { + case VCAP_SEL_ENTRY: + keystr = &admin->cache.keystream[start]; + mskstr = &admin->cache.maskstream[start]; + for (idx = 0; idx < count; ++idx) { + pr_debug("%s:%d: keydata[%02d]: 0x%08x\n", __func__, + __LINE__, start + idx, keystr[idx]); + } + for (idx = 0; idx < count; ++idx) { + /* Invert the mask before decoding starts */ + mskstr[idx] = ~mskstr[idx]; + pr_debug("%s:%d: mskdata[%02d]: 0x%08x\n", __func__, + __LINE__, start + idx, mskstr[idx]); + } + break; + case VCAP_SEL_ACTION: + actstr = &admin->cache.actionstream[start]; + for (idx = 0; idx < count; ++idx) { + pr_debug("%s:%d: actdata[%02d]: 0x%08x\n", __func__, + __LINE__, start + idx, actstr[idx]); + } + break; + case VCAP_SEL_COUNTER: + pr_debug("%s:%d\n", __func__, __LINE__); + test_hw_counter_id = start; + admin->cache.counter = test_hw_cache.counter; + admin->cache.sticky = test_hw_cache.sticky; + break; + case VCAP_SEL_ALL: + pr_debug("%s:%d\n", __func__, __LINE__); + break; + } +} + +/* Callback used by the VCAP API */ +static void test_cache_write(struct net_device *ndev, struct vcap_admin *admin, + enum vcap_selection sel, u32 start, u32 count) +{ + u32 *keystr, *mskstr, *actstr; + int idx; + + switch (sel) { + case VCAP_SEL_ENTRY: + keystr = &admin->cache.keystream[start]; + mskstr = &admin->cache.maskstream[start]; + for (idx = 0; idx < count; ++idx) { + pr_debug("%s:%d: keydata[%02d]: 0x%08x\n", __func__, + __LINE__, start + idx, keystr[idx]); + } + for (idx = 0; idx < count; ++idx) { + /* Invert the mask before encoding starts */ + mskstr[idx] = ~mskstr[idx]; + pr_debug("%s:%d: mskdata[%02d]: 0x%08x\n", __func__, + __LINE__, start + idx, mskstr[idx]); + } + break; + case VCAP_SEL_ACTION: + actstr = &admin->cache.actionstream[start]; + for (idx = 0; idx < count; ++idx) { + pr_debug("%s:%d: actdata[%02d]: 0x%08x\n", __func__, + __LINE__, start + idx, actstr[idx]); + } + break; + case VCAP_SEL_COUNTER: + pr_debug("%s:%d\n", __func__, __LINE__); + test_hw_counter_id = start; + test_hw_cache.counter = admin->cache.counter; + test_hw_cache.sticky = admin->cache.sticky; + break; + case VCAP_SEL_ALL: + pr_err("%s:%d: cannot write all streams at once\n", + __func__, __LINE__); + break; + } +} + +/* Callback used by the VCAP API */ +static void test_cache_update(struct net_device *ndev, struct vcap_admin *admin, + enum vcap_command cmd, + enum vcap_selection sel, u32 addr) +{ + if (test_updateaddridx < ARRAY_SIZE(test_updateaddr)) + test_updateaddr[test_updateaddridx] = addr; + else + pr_err("%s:%d: overflow: %d\n", __func__, __LINE__, test_updateaddridx); + test_updateaddridx++; +} + +static void test_cache_move(struct net_device *ndev, struct vcap_admin *admin, + u32 addr, int offset, int count) +{ +} + +/* Provide port information via a callback interface */ +static int vcap_test_port_info(struct net_device *ndev, enum vcap_type vtype, + int (*pf)(void *out, int arg, const char *fmt, ...), + void *out, int arg) +{ + return 0; +} + +struct vcap_operations test_callbacks = { + .validate_keyset = test_val_keyset, + .add_default_fields = test_add_def_fields, + .cache_erase = test_cache_erase, + .cache_write = test_cache_write, + .cache_read = test_cache_read, + .init = test_cache_init, + .update = test_cache_update, + .move = test_cache_move, + .port_info = vcap_test_port_info, +}; + +struct vcap_control test_vctrl = { + .vcaps = kunit_test_vcaps, + .stats = &kunit_test_vcap_stats, + .ops = &test_callbacks, +}; + +static void vcap_test_api_init(struct vcap_admin *admin) +{ + /* Initialize the shared objects */ + INIT_LIST_HEAD(&test_vctrl.list); + INIT_LIST_HEAD(&admin->list); + INIT_LIST_HEAD(&admin->rules); + list_add_tail(&admin->list, &test_vctrl.list); + memset(test_updateaddr, 0, sizeof(test_updateaddr)); + test_updateaddridx = 0; +} + +/* Define the test cases. */ + +static void vcap_api_set_bit_1_test(struct kunit *test) +{ + struct vcap_stream_iter iter = { + .offset = 35, + .sw_width = 52, + .reg_idx = 1, + .reg_bitpos = 20, + .tg = 0 + }; + u32 stream[2] = {0}; + + vcap_set_bit(stream, &iter, 1); + + KUNIT_EXPECT_EQ(test, (u32)0x0, stream[0]); + KUNIT_EXPECT_EQ(test, (u32)BIT(20), stream[1]); +} + +static void vcap_api_set_bit_0_test(struct kunit *test) +{ + struct vcap_stream_iter iter = { + .offset = 35, + .sw_width = 52, + .reg_idx = 2, + .reg_bitpos = 11, + .tg = 0 + }; + u32 stream[3] = {~0, ~0, ~0}; + + vcap_set_bit(stream, &iter, 0); + + KUNIT_EXPECT_EQ(test, (u32)~0, stream[0]); + KUNIT_EXPECT_EQ(test, (u32)~0, stream[1]); + KUNIT_EXPECT_EQ(test, (u32)~BIT(11), stream[2]); +} + +static void vcap_api_iterator_init_test(struct kunit *test) +{ + struct vcap_stream_iter iter; + struct vcap_typegroup typegroups[] = { + { .offset = 0, .width = 2, .value = 2, }, + { .offset = 156, .width = 1, .value = 0, }, + { .offset = 0, .width = 0, .value = 0, }, + }; + struct vcap_typegroup typegroups2[] = { + { .offset = 0, .width = 3, .value = 4, }, + { .offset = 49, .width = 2, .value = 0, }, + { .offset = 98, .width = 2, .value = 0, }, + }; + + vcap_iter_init(&iter, 52, typegroups, 86); + + KUNIT_EXPECT_EQ(test, 52, iter.sw_width); + KUNIT_EXPECT_EQ(test, 86 + 2, iter.offset); + KUNIT_EXPECT_EQ(test, 3, iter.reg_idx); + KUNIT_EXPECT_EQ(test, 4, iter.reg_bitpos); + + vcap_iter_init(&iter, 49, typegroups2, 134); + + KUNIT_EXPECT_EQ(test, 49, iter.sw_width); + KUNIT_EXPECT_EQ(test, 134 + 7, iter.offset); + KUNIT_EXPECT_EQ(test, 5, iter.reg_idx); + KUNIT_EXPECT_EQ(test, 11, iter.reg_bitpos); +} + +static void vcap_api_iterator_next_test(struct kunit *test) +{ + struct vcap_stream_iter iter; + struct vcap_typegroup typegroups[] = { + { .offset = 0, .width = 4, .value = 8, }, + { .offset = 49, .width = 1, .value = 0, }, + { .offset = 98, .width = 2, .value = 0, }, + { .offset = 147, .width = 3, .value = 0, }, + { .offset = 196, .width = 2, .value = 0, }, + { .offset = 245, .width = 1, .value = 0, }, + }; + int idx; + + vcap_iter_init(&iter, 49, typegroups, 86); + + KUNIT_EXPECT_EQ(test, 49, iter.sw_width); + KUNIT_EXPECT_EQ(test, 86 + 5, iter.offset); + KUNIT_EXPECT_EQ(test, 3, iter.reg_idx); + KUNIT_EXPECT_EQ(test, 10, iter.reg_bitpos); + + vcap_iter_next(&iter); + + KUNIT_EXPECT_EQ(test, 91 + 1, iter.offset); + KUNIT_EXPECT_EQ(test, 3, iter.reg_idx); + KUNIT_EXPECT_EQ(test, 11, iter.reg_bitpos); + + for (idx = 0; idx < 6; idx++) + vcap_iter_next(&iter); + + KUNIT_EXPECT_EQ(test, 92 + 6 + 2, iter.offset); + KUNIT_EXPECT_EQ(test, 4, iter.reg_idx); + KUNIT_EXPECT_EQ(test, 2, iter.reg_bitpos); +} + +static void vcap_api_encode_typegroups_test(struct kunit *test) +{ + u32 stream[12] = {0}; + struct vcap_typegroup typegroups[] = { + { .offset = 0, .width = 4, .value = 8, }, + { .offset = 49, .width = 1, .value = 1, }, + { .offset = 98, .width = 2, .value = 3, }, + { .offset = 147, .width = 3, .value = 5, }, + { .offset = 196, .width = 2, .value = 2, }, + { .offset = 245, .width = 5, .value = 27, }, + { .offset = 0, .width = 0, .value = 0, }, + }; + + vcap_encode_typegroups(stream, 49, typegroups, false); + + KUNIT_EXPECT_EQ(test, (u32)0x8, stream[0]); + KUNIT_EXPECT_EQ(test, (u32)0x0, stream[1]); + KUNIT_EXPECT_EQ(test, (u32)0x1, stream[2]); + KUNIT_EXPECT_EQ(test, (u32)0x0, stream[3]); + KUNIT_EXPECT_EQ(test, (u32)0x3, stream[4]); + KUNIT_EXPECT_EQ(test, (u32)0x0, stream[5]); + KUNIT_EXPECT_EQ(test, (u32)0x5, stream[6]); + KUNIT_EXPECT_EQ(test, (u32)0x0, stream[7]); + KUNIT_EXPECT_EQ(test, (u32)0x2, stream[8]); + KUNIT_EXPECT_EQ(test, (u32)0x0, stream[9]); + KUNIT_EXPECT_EQ(test, (u32)27, stream[10]); + KUNIT_EXPECT_EQ(test, (u32)0x0, stream[11]); +} + +static void vcap_api_encode_bit_test(struct kunit *test) +{ + struct vcap_stream_iter iter; + u32 stream[4] = {0}; + struct vcap_typegroup typegroups[] = { + { .offset = 0, .width = 4, .value = 8, }, + { .offset = 49, .width = 1, .value = 1, }, + { .offset = 98, .width = 2, .value = 3, }, + { .offset = 147, .width = 3, .value = 5, }, + { .offset = 196, .width = 2, .value = 2, }, + { .offset = 245, .width = 1, .value = 0, }, + }; + + vcap_iter_init(&iter, 49, typegroups, 44); + + KUNIT_EXPECT_EQ(test, 48, iter.offset); + KUNIT_EXPECT_EQ(test, 1, iter.reg_idx); + KUNIT_EXPECT_EQ(test, 16, iter.reg_bitpos); + + vcap_encode_bit(stream, &iter, 1); + + KUNIT_EXPECT_EQ(test, (u32)0x0, stream[0]); + KUNIT_EXPECT_EQ(test, (u32)BIT(16), stream[1]); + KUNIT_EXPECT_EQ(test, (u32)0x0, stream[2]); +} + +static void vcap_api_encode_field_test(struct kunit *test) +{ + struct vcap_stream_iter iter; + u32 stream[16] = {0}; + struct vcap_typegroup typegroups[] = { + { .offset = 0, .width = 4, .value = 8, }, + { .offset = 49, .width = 1, .value = 1, }, + { .offset = 98, .width = 2, .value = 3, }, + { .offset = 147, .width = 3, .value = 5, }, + { .offset = 196, .width = 2, .value = 2, }, + { .offset = 245, .width = 5, .value = 27, }, + { .offset = 0, .width = 0, .value = 0, }, + }; + struct vcap_field rf = { + .type = VCAP_FIELD_U32, + .offset = 86, + .width = 4, + }; + u8 value[] = {0x5}; + + vcap_iter_init(&iter, 49, typegroups, rf.offset); + + KUNIT_EXPECT_EQ(test, 91, iter.offset); + KUNIT_EXPECT_EQ(test, 3, iter.reg_idx); + KUNIT_EXPECT_EQ(test, 10, iter.reg_bitpos); + + vcap_encode_field(stream, &iter, rf.width, value); + + KUNIT_EXPECT_EQ(test, (u32)0x0, stream[0]); + KUNIT_EXPECT_EQ(test, (u32)0x0, stream[1]); + KUNIT_EXPECT_EQ(test, (u32)0x0, stream[2]); + KUNIT_EXPECT_EQ(test, (u32)(0x5 << 10), stream[3]); + KUNIT_EXPECT_EQ(test, (u32)0x0, stream[4]); + + vcap_encode_typegroups(stream, 49, typegroups, false); + + KUNIT_EXPECT_EQ(test, (u32)0x8, stream[0]); + KUNIT_EXPECT_EQ(test, (u32)0x0, stream[1]); + KUNIT_EXPECT_EQ(test, (u32)0x1, stream[2]); + KUNIT_EXPECT_EQ(test, (u32)(0x5 << 10), stream[3]); + KUNIT_EXPECT_EQ(test, (u32)0x3, stream[4]); + KUNIT_EXPECT_EQ(test, (u32)0x0, stream[5]); + KUNIT_EXPECT_EQ(test, (u32)0x5, stream[6]); + KUNIT_EXPECT_EQ(test, (u32)0x0, stream[7]); + KUNIT_EXPECT_EQ(test, (u32)0x2, stream[8]); + KUNIT_EXPECT_EQ(test, (u32)0x0, stream[9]); + KUNIT_EXPECT_EQ(test, (u32)27, stream[10]); + KUNIT_EXPECT_EQ(test, (u32)0x0, stream[11]); +} + +/* In this testcase the subword is smaller than a register */ +static void vcap_api_encode_short_field_test(struct kunit *test) +{ + struct vcap_stream_iter iter; + int sw_width = 21; + u32 stream[6] = {0}; + struct vcap_typegroup tgt[] = { + { .offset = 0, .width = 3, .value = 7, }, + { .offset = 21, .width = 2, .value = 3, }, + { .offset = 42, .width = 1, .value = 1, }, + { .offset = 0, .width = 0, .value = 0, }, + }; + struct vcap_field rf = { + .type = VCAP_FIELD_U32, + .offset = 25, + .width = 4, + }; + u8 value[] = {0x5}; + + vcap_iter_init(&iter, sw_width, tgt, rf.offset); + + KUNIT_EXPECT_EQ(test, 1, iter.regs_per_sw); + KUNIT_EXPECT_EQ(test, 21, iter.sw_width); + KUNIT_EXPECT_EQ(test, 25 + 3 + 2, iter.offset); + KUNIT_EXPECT_EQ(test, 1, iter.reg_idx); + KUNIT_EXPECT_EQ(test, 25 + 3 + 2 - sw_width, iter.reg_bitpos); + + vcap_encode_field(stream, &iter, rf.width, value); + + KUNIT_EXPECT_EQ(test, (u32)0x0, stream[0]); + KUNIT_EXPECT_EQ(test, (u32)(0x5 << (25 + 3 + 2 - sw_width)), stream[1]); + KUNIT_EXPECT_EQ(test, (u32)0x0, stream[2]); + KUNIT_EXPECT_EQ(test, (u32)0x0, stream[3]); + KUNIT_EXPECT_EQ(test, (u32)0x0, stream[4]); + KUNIT_EXPECT_EQ(test, (u32)0x0, stream[5]); + + vcap_encode_typegroups(stream, sw_width, tgt, false); + + KUNIT_EXPECT_EQ(test, (u32)7, stream[0]); + KUNIT_EXPECT_EQ(test, (u32)((0x5 << (25 + 3 + 2 - sw_width)) + 3), stream[1]); + KUNIT_EXPECT_EQ(test, (u32)1, stream[2]); + KUNIT_EXPECT_EQ(test, (u32)0, stream[3]); + KUNIT_EXPECT_EQ(test, (u32)0, stream[4]); + KUNIT_EXPECT_EQ(test, (u32)0, stream[5]); +} + +static void vcap_api_encode_keyfield_test(struct kunit *test) +{ + u32 keywords[16] = {0}; + u32 maskwords[16] = {0}; + struct vcap_admin admin = { + .vtype = VCAP_TYPE_IS2, + .cache = { + .keystream = keywords, + .maskstream = maskwords, + .actionstream = keywords, + }, + }; + struct vcap_rule_internal rule = { + .admin = &admin, + .data = { + .keyset = VCAP_KFS_MAC_ETYPE, + }, + .vctrl = &test_vctrl, + }; + struct vcap_client_keyfield ckf = { + .ctrl.list = {}, + .ctrl.key = VCAP_KF_ISDX_CLS, + .ctrl.type = VCAP_FIELD_U32, + .data.u32.value = 0xeef014a1, + .data.u32.mask = 0xfff, + }; + struct vcap_field rf = { + .type = VCAP_FIELD_U32, + .offset = 56, + .width = 12, + }; + struct vcap_typegroup tgt[] = { + { .offset = 0, .width = 2, .value = 2, }, + { .offset = 156, .width = 1, .value = 1, }, + { .offset = 0, .width = 0, .value = 0, }, + }; + + vcap_test_api_init(&admin); + vcap_encode_keyfield(&rule, &ckf, &rf, tgt); + + /* Key */ + KUNIT_EXPECT_EQ(test, (u32)0x0, keywords[0]); + KUNIT_EXPECT_EQ(test, (u32)0x0, keywords[1]); + KUNIT_EXPECT_EQ(test, (u32)(0x04a1 << 6), keywords[2]); + KUNIT_EXPECT_EQ(test, (u32)0x0, keywords[3]); + KUNIT_EXPECT_EQ(test, (u32)0x0, keywords[4]); + KUNIT_EXPECT_EQ(test, (u32)0x0, keywords[5]); + KUNIT_EXPECT_EQ(test, (u32)0x0, keywords[6]); + + /* Mask */ + KUNIT_EXPECT_EQ(test, (u32)0x0, maskwords[0]); + KUNIT_EXPECT_EQ(test, (u32)0x0, maskwords[1]); + KUNIT_EXPECT_EQ(test, (u32)(0x0fff << 6), maskwords[2]); + KUNIT_EXPECT_EQ(test, (u32)0x0, maskwords[3]); + KUNIT_EXPECT_EQ(test, (u32)0x0, maskwords[4]); + KUNIT_EXPECT_EQ(test, (u32)0x0, maskwords[5]); + KUNIT_EXPECT_EQ(test, (u32)0x0, maskwords[6]); +} + +static void vcap_api_encode_max_keyfield_test(struct kunit *test) +{ + int idx; + u32 keywords[6] = {0}; + u32 maskwords[6] = {0}; + struct vcap_admin admin = { + .vtype = VCAP_TYPE_IS2, + /* IS2 sw_width = 52 bit */ + .cache = { + .keystream = keywords, + .maskstream = maskwords, + .actionstream = keywords, + }, + }; + struct vcap_rule_internal rule = { + .admin = &admin, + .data = { + .keyset = VCAP_KFS_IP_7TUPLE, + }, + .vctrl = &test_vctrl, + }; + struct vcap_client_keyfield ckf = { + .ctrl.list = {}, + .ctrl.key = VCAP_KF_L3_IP6_DIP, + .ctrl.type = VCAP_FIELD_U128, + .data.u128.value = { 0xa1, 0xa2, 0xa3, 0xa4, 0, 0, 0x43, 0, + 0, 0, 0, 0, 0, 0, 0x78, 0x8e, }, + .data.u128.mask = { 0xff, 0xff, 0xff, 0xff, 0, 0, 0xff, 0, + 0, 0, 0, 0, 0, 0, 0xff, 0xff }, + }; + struct vcap_field rf = { + .type = VCAP_FIELD_U128, + .offset = 0, + .width = 128, + }; + struct vcap_typegroup tgt[] = { + { .offset = 0, .width = 2, .value = 2, }, + { .offset = 156, .width = 1, .value = 1, }, + { .offset = 0, .width = 0, .value = 0, }, + }; + u32 keyres[] = { + 0x928e8a84, + 0x000c0002, + 0x00000010, + 0x00000000, + 0x0239e000, + 0x00000000, + }; + u32 mskres[] = { + 0xfffffffc, + 0x000c0003, + 0x0000003f, + 0x00000000, + 0x03fffc00, + 0x00000000, + }; + + vcap_encode_keyfield(&rule, &ckf, &rf, tgt); + + /* Key */ + for (idx = 0; idx < ARRAY_SIZE(keyres); ++idx) + KUNIT_EXPECT_EQ(test, keyres[idx], keywords[idx]); + /* Mask */ + for (idx = 0; idx < ARRAY_SIZE(mskres); ++idx) + KUNIT_EXPECT_EQ(test, mskres[idx], maskwords[idx]); +} + +static void vcap_api_encode_actionfield_test(struct kunit *test) +{ + u32 actwords[16] = {0}; + int sw_width = 21; + struct vcap_admin admin = { + .vtype = VCAP_TYPE_ES2, /* act_width = 21 */ + .cache = { + .actionstream = actwords, + }, + }; + struct vcap_rule_internal rule = { + .admin = &admin, + .data = { + .actionset = VCAP_AFS_BASE_TYPE, + }, + .vctrl = &test_vctrl, + }; + struct vcap_client_actionfield caf = { + .ctrl.list = {}, + .ctrl.action = VCAP_AF_POLICE_IDX, + .ctrl.type = VCAP_FIELD_U32, + .data.u32.value = 0x67908032, + }; + struct vcap_field rf = { + .type = VCAP_FIELD_U32, + .offset = 35, + .width = 6, + }; + struct vcap_typegroup tgt[] = { + { .offset = 0, .width = 2, .value = 2, }, + { .offset = 21, .width = 1, .value = 1, }, + { .offset = 42, .width = 1, .value = 0, }, + { .offset = 0, .width = 0, .value = 0, }, + }; + + vcap_encode_actionfield(&rule, &caf, &rf, tgt); + + /* Action */ + KUNIT_EXPECT_EQ(test, (u32)0x0, actwords[0]); + KUNIT_EXPECT_EQ(test, (u32)((0x32 << (35 + 2 + 1 - sw_width)) & 0x1fffff), actwords[1]); + KUNIT_EXPECT_EQ(test, (u32)((0x32 >> ((2 * sw_width) - 38 - 1))), actwords[2]); + KUNIT_EXPECT_EQ(test, (u32)0x0, actwords[3]); + KUNIT_EXPECT_EQ(test, (u32)0x0, actwords[4]); + KUNIT_EXPECT_EQ(test, (u32)0x0, actwords[5]); + KUNIT_EXPECT_EQ(test, (u32)0x0, actwords[6]); +} + +static void vcap_api_keyfield_typegroup_test(struct kunit *test) +{ + const struct vcap_typegroup *tg; + + tg = vcap_keyfield_typegroup(&test_vctrl, VCAP_TYPE_IS2, VCAP_KFS_MAC_ETYPE); + KUNIT_EXPECT_PTR_NE(test, NULL, tg); + KUNIT_EXPECT_EQ(test, 0, tg[0].offset); + KUNIT_EXPECT_EQ(test, 2, tg[0].width); + KUNIT_EXPECT_EQ(test, 2, tg[0].value); + KUNIT_EXPECT_EQ(test, 156, tg[1].offset); + KUNIT_EXPECT_EQ(test, 1, tg[1].width); + KUNIT_EXPECT_EQ(test, 0, tg[1].value); + KUNIT_EXPECT_EQ(test, 0, tg[2].offset); + KUNIT_EXPECT_EQ(test, 0, tg[2].width); + KUNIT_EXPECT_EQ(test, 0, tg[2].value); + + tg = vcap_keyfield_typegroup(&test_vctrl, VCAP_TYPE_ES2, VCAP_KFS_LL_FULL); + KUNIT_EXPECT_PTR_EQ(test, NULL, tg); +} + +static void vcap_api_actionfield_typegroup_test(struct kunit *test) +{ + const struct vcap_typegroup *tg; + + tg = vcap_actionfield_typegroup(&test_vctrl, VCAP_TYPE_IS0, VCAP_AFS_FULL); + KUNIT_EXPECT_PTR_NE(test, NULL, tg); + KUNIT_EXPECT_EQ(test, 0, tg[0].offset); + KUNIT_EXPECT_EQ(test, 3, tg[0].width); + KUNIT_EXPECT_EQ(test, 4, tg[0].value); + KUNIT_EXPECT_EQ(test, 110, tg[1].offset); + KUNIT_EXPECT_EQ(test, 2, tg[1].width); + KUNIT_EXPECT_EQ(test, 0, tg[1].value); + KUNIT_EXPECT_EQ(test, 220, tg[2].offset); + KUNIT_EXPECT_EQ(test, 2, tg[2].width); + KUNIT_EXPECT_EQ(test, 0, tg[2].value); + KUNIT_EXPECT_EQ(test, 0, tg[3].offset); + KUNIT_EXPECT_EQ(test, 0, tg[3].width); + KUNIT_EXPECT_EQ(test, 0, tg[3].value); + + tg = vcap_actionfield_typegroup(&test_vctrl, VCAP_TYPE_IS2, VCAP_AFS_CLASSIFICATION); + KUNIT_EXPECT_PTR_EQ(test, NULL, tg); +} + +static void vcap_api_vcap_keyfields_test(struct kunit *test) +{ + const struct vcap_field *ft; + + ft = vcap_keyfields(&test_vctrl, VCAP_TYPE_IS2, VCAP_KFS_MAC_ETYPE); + KUNIT_EXPECT_PTR_NE(test, NULL, ft); + + /* Keyset that is not available and within the maximum keyset enum value */ + ft = vcap_keyfields(&test_vctrl, VCAP_TYPE_ES2, VCAP_KFS_PURE_5TUPLE_IP4); + KUNIT_EXPECT_PTR_EQ(test, NULL, ft); + + /* Keyset that is not available and beyond the maximum keyset enum value */ + ft = vcap_keyfields(&test_vctrl, VCAP_TYPE_ES2, VCAP_KFS_LL_FULL); + KUNIT_EXPECT_PTR_EQ(test, NULL, ft); +} + +static void vcap_api_vcap_actionfields_test(struct kunit *test) +{ + const struct vcap_field *ft; + + ft = vcap_actionfields(&test_vctrl, VCAP_TYPE_IS0, VCAP_AFS_FULL); + KUNIT_EXPECT_PTR_NE(test, NULL, ft); + + ft = vcap_actionfields(&test_vctrl, VCAP_TYPE_IS2, VCAP_AFS_FULL); + KUNIT_EXPECT_PTR_EQ(test, NULL, ft); + + ft = vcap_actionfields(&test_vctrl, VCAP_TYPE_IS2, VCAP_AFS_CLASSIFICATION); + KUNIT_EXPECT_PTR_EQ(test, NULL, ft); +} + +static void vcap_api_encode_rule_keyset_test(struct kunit *test) +{ + u32 keywords[16] = {0}; + u32 maskwords[16] = {0}; + struct vcap_admin admin = { + .vtype = VCAP_TYPE_IS2, + .cache = { + .keystream = keywords, + .maskstream = maskwords, + }, + }; + struct vcap_rule_internal rule = { + .admin = &admin, + .data = { + .keyset = VCAP_KFS_MAC_ETYPE, + }, + .vctrl = &test_vctrl, + }; + struct vcap_client_keyfield ckf[] = { + { + .ctrl.key = VCAP_KF_TYPE, + .ctrl.type = VCAP_FIELD_U32, + .data.u32.value = 0x00, + .data.u32.mask = 0x0f, + }, + { + .ctrl.key = VCAP_KF_LOOKUP_FIRST_IS, + .ctrl.type = VCAP_FIELD_BIT, + .data.u1.value = 0x01, + .data.u1.mask = 0x01, + }, + { + .ctrl.key = VCAP_KF_IF_IGR_PORT_MASK_L3, + .ctrl.type = VCAP_FIELD_BIT, + .data.u1.value = 0x00, + .data.u1.mask = 0x01, + }, + { + .ctrl.key = VCAP_KF_IF_IGR_PORT_MASK_RNG, + .ctrl.type = VCAP_FIELD_U32, + .data.u32.value = 0x00, + .data.u32.mask = 0x0f, + }, + { + .ctrl.key = VCAP_KF_IF_IGR_PORT_MASK, + .ctrl.type = VCAP_FIELD_U72, + .data.u72.value = {0x0, 0x00, 0x00, 0x00}, + .data.u72.mask = {0xfd, 0xff, 0xff, 0xff}, + }, + { + .ctrl.key = VCAP_KF_L2_DMAC, + .ctrl.type = VCAP_FIELD_U48, + /* Opposite endianness */ + .data.u48.value = {0x01, 0x02, 0x03, 0x04, 0x05, 0x06}, + .data.u48.mask = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}, + }, + { + .ctrl.key = VCAP_KF_ETYPE_LEN_IS, + .ctrl.type = VCAP_FIELD_BIT, + .data.u1.value = 0x01, + .data.u1.mask = 0x01, + }, + { + .ctrl.key = VCAP_KF_ETYPE, + .ctrl.type = VCAP_FIELD_U32, + .data.u32.value = 0xaabb, + .data.u32.mask = 0xffff, + }, + }; + int idx; + int ret; + + /* Empty entry list */ + INIT_LIST_HEAD(&rule.data.keyfields); + ret = vcap_encode_rule_keyset(&rule); + KUNIT_EXPECT_EQ(test, -EINVAL, ret); + + for (idx = 0; idx < ARRAY_SIZE(ckf); idx++) + list_add_tail(&ckf[idx].ctrl.list, &rule.data.keyfields); + ret = vcap_encode_rule_keyset(&rule); + KUNIT_EXPECT_EQ(test, 0, ret); + + /* The key and mask values below are from an actual Sparx5 rule config */ + /* Key */ + KUNIT_EXPECT_EQ(test, (u32)0x00000042, keywords[0]); + KUNIT_EXPECT_EQ(test, (u32)0x00000000, keywords[1]); + KUNIT_EXPECT_EQ(test, (u32)0x00000000, keywords[2]); + KUNIT_EXPECT_EQ(test, (u32)0x00020100, keywords[3]); + KUNIT_EXPECT_EQ(test, (u32)0x60504030, keywords[4]); + KUNIT_EXPECT_EQ(test, (u32)0x00000000, keywords[5]); + KUNIT_EXPECT_EQ(test, (u32)0x00000000, keywords[6]); + KUNIT_EXPECT_EQ(test, (u32)0x0002aaee, keywords[7]); + KUNIT_EXPECT_EQ(test, (u32)0x00000000, keywords[8]); + KUNIT_EXPECT_EQ(test, (u32)0x00000000, keywords[9]); + KUNIT_EXPECT_EQ(test, (u32)0x00000000, keywords[10]); + KUNIT_EXPECT_EQ(test, (u32)0x00000000, keywords[11]); + + /* Mask: they will be inverted when applied to the register */ + KUNIT_EXPECT_EQ(test, (u32)~0x00b07f80, maskwords[0]); + KUNIT_EXPECT_EQ(test, (u32)~0xfff00000, maskwords[1]); + KUNIT_EXPECT_EQ(test, (u32)~0xfffffffc, maskwords[2]); + KUNIT_EXPECT_EQ(test, (u32)~0xfff000ff, maskwords[3]); + KUNIT_EXPECT_EQ(test, (u32)~0x00000000, maskwords[4]); + KUNIT_EXPECT_EQ(test, (u32)~0xfffffff0, maskwords[5]); + KUNIT_EXPECT_EQ(test, (u32)~0xfffffffe, maskwords[6]); + KUNIT_EXPECT_EQ(test, (u32)~0xfffc0001, maskwords[7]); + KUNIT_EXPECT_EQ(test, (u32)~0xffffffff, maskwords[8]); + KUNIT_EXPECT_EQ(test, (u32)~0xffffffff, maskwords[9]); + KUNIT_EXPECT_EQ(test, (u32)~0xffffffff, maskwords[10]); + KUNIT_EXPECT_EQ(test, (u32)~0xffffffff, maskwords[11]); +} + +static void vcap_api_encode_rule_actionset_test(struct kunit *test) +{ + u32 actwords[16] = {0}; + struct vcap_admin admin = { + .vtype = VCAP_TYPE_IS2, + .cache = { + .actionstream = actwords, + }, + }; + struct vcap_rule_internal rule = { + .admin = &admin, + .data = { + .actionset = VCAP_AFS_BASE_TYPE, + }, + .vctrl = &test_vctrl, + }; + struct vcap_client_actionfield caf[] = { + { + .ctrl.action = VCAP_AF_MATCH_ID, + .ctrl.type = VCAP_FIELD_U32, + .data.u32.value = 0x01, + }, + { + .ctrl.action = VCAP_AF_MATCH_ID_MASK, + .ctrl.type = VCAP_FIELD_U32, + .data.u32.value = 0x01, + }, + { + .ctrl.action = VCAP_AF_CNT_ID, + .ctrl.type = VCAP_FIELD_U32, + .data.u32.value = 0x64, + }, + }; + int idx; + int ret; + + /* Empty entry list */ + INIT_LIST_HEAD(&rule.data.actionfields); + ret = vcap_encode_rule_actionset(&rule); + /* We allow rules with no actions */ + KUNIT_EXPECT_EQ(test, 0, ret); + + for (idx = 0; idx < ARRAY_SIZE(caf); idx++) + list_add_tail(&caf[idx].ctrl.list, &rule.data.actionfields); + ret = vcap_encode_rule_actionset(&rule); + KUNIT_EXPECT_EQ(test, 0, ret); + + /* The action values below are from an actual Sparx5 rule config */ + KUNIT_EXPECT_EQ(test, (u32)0x00000002, actwords[0]); + KUNIT_EXPECT_EQ(test, (u32)0x00000000, actwords[1]); + KUNIT_EXPECT_EQ(test, (u32)0x00000000, actwords[2]); + KUNIT_EXPECT_EQ(test, (u32)0x00000000, actwords[3]); + KUNIT_EXPECT_EQ(test, (u32)0x00000000, actwords[4]); + KUNIT_EXPECT_EQ(test, (u32)0x00100000, actwords[5]); + KUNIT_EXPECT_EQ(test, (u32)0x06400010, actwords[6]); + KUNIT_EXPECT_EQ(test, (u32)0x00000000, actwords[7]); + KUNIT_EXPECT_EQ(test, (u32)0x00000000, actwords[8]); + KUNIT_EXPECT_EQ(test, (u32)0x00000000, actwords[9]); + KUNIT_EXPECT_EQ(test, (u32)0x00000000, actwords[10]); + KUNIT_EXPECT_EQ(test, (u32)0x00000000, actwords[11]); +} + +static struct kunit_case vcap_api_encoding_test_cases[] = { + KUNIT_CASE(vcap_api_set_bit_1_test), + KUNIT_CASE(vcap_api_set_bit_0_test), + KUNIT_CASE(vcap_api_iterator_init_test), + KUNIT_CASE(vcap_api_iterator_next_test), + KUNIT_CASE(vcap_api_encode_typegroups_test), + KUNIT_CASE(vcap_api_encode_bit_test), + KUNIT_CASE(vcap_api_encode_field_test), + KUNIT_CASE(vcap_api_encode_short_field_test), + KUNIT_CASE(vcap_api_encode_keyfield_test), + KUNIT_CASE(vcap_api_encode_max_keyfield_test), + KUNIT_CASE(vcap_api_encode_actionfield_test), + KUNIT_CASE(vcap_api_keyfield_typegroup_test), + KUNIT_CASE(vcap_api_actionfield_typegroup_test), + KUNIT_CASE(vcap_api_vcap_keyfields_test), + KUNIT_CASE(vcap_api_vcap_actionfields_test), + KUNIT_CASE(vcap_api_encode_rule_keyset_test), + KUNIT_CASE(vcap_api_encode_rule_actionset_test), + {} +}; + +static struct kunit_suite vcap_api_encoding_test_suite = { + .name = "VCAP_API_Encoding_Testsuite", + .test_cases = vcap_api_encoding_test_cases, +}; + +kunit_test_suite(vcap_api_encoding_test_suite);