VIRTCHNL_OP_DEL_FDIR_FILTER = 48,
VIRTCHNL_OP_QUERY_FDIR_FILTER = 49,
VIRTCHNL_OP_GET_MAX_RSS_QREGION = 50,
+ VIRTCHNL_OP_GET_OFFLOAD_VLAN_V2_CAPS = 51,
+ VIRTCHNL_OP_ADD_VLAN_V2 = 52,
+ VIRTCHNL_OP_DEL_VLAN_V2 = 53,
+ VIRTCHNL_OP_ENABLE_VLAN_STRIPPING_V2 = 54,
+ VIRTCHNL_OP_DISABLE_VLAN_STRIPPING_V2 = 55,
+ VIRTCHNL_OP_ENABLE_VLAN_INSERTION_V2 = 56,
+ VIRTCHNL_OP_DISABLE_VLAN_INSERTION_V2 = 57,
VIRTCHNL_OP_ENABLE_QUEUES_V2 = 107,
VIRTCHNL_OP_DISABLE_QUEUES_V2 = 108,
VIRTCHNL_OP_MAP_QUEUE_VECTOR = 111,
VIRTCHNL_OP_MAX,
};
+static inline const char *virtchnl_op_str(enum virtchnl_ops v_opcode)
+{
+ switch (v_opcode) {
+ case VIRTCHNL_OP_UNKNOWN:
+ return "VIRTCHNL_OP_UNKNOWN";
+ case VIRTCHNL_OP_VERSION:
+ return "VIRTCHNL_OP_VERSION";
+ case VIRTCHNL_OP_RESET_VF:
+ return "VIRTCHNL_OP_RESET_VF";
+ case VIRTCHNL_OP_GET_VF_RESOURCES:
+ return "VIRTCHNL_OP_GET_VF_RESOURCES";
+ case VIRTCHNL_OP_CONFIG_TX_QUEUE:
+ return "VIRTCHNL_OP_CONFIG_TX_QUEUE";
+ case VIRTCHNL_OP_CONFIG_RX_QUEUE:
+ return "VIRTCHNL_OP_CONFIG_RX_QUEUE";
+ case VIRTCHNL_OP_CONFIG_VSI_QUEUES:
+ return "VIRTCHNL_OP_CONFIG_VSI_QUEUES";
+ case VIRTCHNL_OP_CONFIG_IRQ_MAP:
+ return "VIRTCHNL_OP_CONFIG_IRQ_MAP";
+ case VIRTCHNL_OP_ENABLE_QUEUES:
+ return "VIRTCHNL_OP_ENABLE_QUEUES";
+ case VIRTCHNL_OP_DISABLE_QUEUES:
+ return "VIRTCHNL_OP_DISABLE_QUEUES";
+ case VIRTCHNL_OP_ADD_ETH_ADDR:
+ return "VIRTCHNL_OP_ADD_ETH_ADDR";
+ case VIRTCHNL_OP_DEL_ETH_ADDR:
+ return "VIRTCHNL_OP_DEL_ETH_ADDR";
+ case VIRTCHNL_OP_ADD_VLAN:
+ return "VIRTCHNL_OP_ADD_VLAN";
+ case VIRTCHNL_OP_DEL_VLAN:
+ return "VIRTCHNL_OP_DEL_VLAN";
+ case VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE:
+ return "VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE";
+ case VIRTCHNL_OP_GET_STATS:
+ return "VIRTCHNL_OP_GET_STATS";
+ case VIRTCHNL_OP_RSVD:
+ return "VIRTCHNL_OP_RSVD";
+ case VIRTCHNL_OP_EVENT:
+ return "VIRTCHNL_OP_EVENT";
+ case VIRTCHNL_OP_CONFIG_RSS_KEY:
+ return "VIRTCHNL_OP_CONFIG_RSS_KEY";
+ case VIRTCHNL_OP_CONFIG_RSS_LUT:
+ return "VIRTCHNL_OP_CONFIG_RSS_LUT";
+ case VIRTCHNL_OP_GET_RSS_HENA_CAPS:
+ return "VIRTCHNL_OP_GET_RSS_HENA_CAPS";
+ case VIRTCHNL_OP_SET_RSS_HENA:
+ return "VIRTCHNL_OP_SET_RSS_HENA";
+ case VIRTCHNL_OP_ENABLE_VLAN_STRIPPING:
+ return "VIRTCHNL_OP_ENABLE_VLAN_STRIPPING";
+ case VIRTCHNL_OP_DISABLE_VLAN_STRIPPING:
+ return "VIRTCHNL_OP_DISABLE_VLAN_STRIPPING";
+ case VIRTCHNL_OP_REQUEST_QUEUES:
+ return "VIRTCHNL_OP_REQUEST_QUEUES";
+ case VIRTCHNL_OP_ENABLE_CHANNELS:
+ return "VIRTCHNL_OP_ENABLE_CHANNELS";
+ case VIRTCHNL_OP_DISABLE_CHANNELS:
+ return "VIRTCHNL_OP_DISABLE_CHANNELS";
+ case VIRTCHNL_OP_ADD_CLOUD_FILTER:
+ return "VIRTCHNL_OP_ADD_CLOUD_FILTER";
+ case VIRTCHNL_OP_DEL_CLOUD_FILTER:
+ return "VIRTCHNL_OP_DEL_CLOUD_FILTER";
+ case VIRTCHNL_OP_DCF_CMD_DESC:
+ return "VIRTCHNL_OP_DCF_CMD_DESC";
+ case VIRTCHNL_OP_DCF_CMD_BUFF:
+ return "VIRTCHHNL_OP_DCF_CMD_BUFF";
+ case VIRTCHNL_OP_DCF_DISABLE:
+ return "VIRTCHNL_OP_DCF_DISABLE";
+ case VIRTCHNL_OP_DCF_GET_VSI_MAP:
+ return "VIRTCHNL_OP_DCF_GET_VSI_MAP";
+ case VIRTCHNL_OP_GET_SUPPORTED_RXDIDS:
+ return "VIRTCHNL_OP_GET_SUPPORTED_RXDIDS";
+ case VIRTCHNL_OP_ADD_RSS_CFG:
+ return "VIRTCHNL_OP_ADD_RSS_CFG";
+ case VIRTCHNL_OP_DEL_RSS_CFG:
+ return "VIRTCHNL_OP_DEL_RSS_CFG";
+ case VIRTCHNL_OP_ADD_FDIR_FILTER:
+ return "VIRTCHNL_OP_ADD_FDIR_FILTER";
+ case VIRTCHNL_OP_DEL_FDIR_FILTER:
+ return "VIRTCHNL_OP_DEL_FDIR_FILTER";
+ case VIRTCHNL_OP_QUERY_FDIR_FILTER:
+ return "VIRTCHNL_OP_QUERY_FDIR_FILTER";
+ case VIRTCHNL_OP_GET_MAX_RSS_QREGION:
+ return "VIRTCHNL_OP_GET_MAX_RSS_QREGION";
+ case VIRTCHNL_OP_ENABLE_QUEUES_V2:
+ return "VIRTCHNL_OP_ENABLE_QUEUES_V2";
+ case VIRTCHNL_OP_DISABLE_QUEUES_V2:
+ return "VIRTCHNL_OP_DISABLE_QUEUES_V2";
+ case VIRTCHNL_OP_MAP_QUEUE_VECTOR:
+ return "VIRTCHNL_OP_MAP_QUEUE_VECTOR";
+ case VIRTCHNL_OP_GET_OFFLOAD_VLAN_V2_CAPS:
+ return "VIRTCHNL_OP_GET_OFFLOAD_VLAN_V2_CAPS";
+ case VIRTCHNL_OP_ADD_VLAN_V2:
+ return "VIRTCHNL_OP_ADD_VLAN_V2";
+ case VIRTCHNL_OP_DEL_VLAN_V2:
+ return "VIRTCHNL_OP_DEL_VLAN_V2";
+ case VIRTCHNL_OP_ENABLE_VLAN_STRIPPING_V2:
+ return "VIRTCHNL_OP_ENABLE_VLAN_STRIPPING_V2";
+ case VIRTCHNL_OP_DISABLE_VLAN_STRIPPING_V2:
+ return "VIRTCHNL_OP_DISABLE_VLAN_STRIPPING_V2";
+ case VIRTCHNL_OP_ENABLE_VLAN_INSERTION_V2:
+ return "VIRTCHNL_OP_ENABLE_VLAN_INSERTION_V2";
+ case VIRTCHNL_OP_DISABLE_VLAN_INSERTION_V2:
+ return "VIRTCHNL_OP_DISABLE_VLAN_INSERTION_V2";
+ case VIRTCHNL_OP_MAX:
+ return "VIRTCHNL_OP_MAX";
+ default:
+ return "Unsupported (update virtchnl.h)";
+ }
+}
+
/* These macros are used to generate compilation errors if a structure/union
* is not exactly the correct length. It gives a divide by zero error if the
* structure/union is not of the correct size, otherwise it creates an enum
#define VIRTCHNL_VF_OFFLOAD_CRC 0x00000080
/* 0X00000100 is reserved */
#define VIRTCHNL_VF_LARGE_NUM_QPAIRS 0x00000200
+#define VIRTCHNL_VF_OFFLOAD_VLAN_V2 0x00008000
#define VIRTCHNL_VF_OFFLOAD_VLAN 0x00010000
#define VIRTCHNL_VF_OFFLOAD_RX_POLLING 0x00020000
#define VIRTCHNL_VF_OFFLOAD_RSS_PCTYPE_V2 0x00040000
VIRTCHNL_CHECK_STRUCT_LEN(6, virtchnl_vlan_filter_list);
+/* This enum is used for all of the VIRTCHNL_VF_OFFLOAD_VLAN_V2_CAPS related
+ * structures and opcodes.
+ *
+ * VIRTCHNL_VLAN_UNSUPPORTED - This field is not supported and if a VF driver
+ * populates it the PF should return VIRTCHNL_STATUS_ERR_NOT_SUPPORTED.
+ *
+ * VIRTCHNL_VLAN_ETHERTYPE_8100 - This field supports 0x8100 ethertype.
+ * VIRTCHNL_VLAN_ETHERTYPE_88A8 - This field supports 0x88A8 ethertype.
+ * VIRTCHNL_VLAN_ETHERTYPE_9100 - This field supports 0x9100 ethertype.
+ *
+ * VIRTCHNL_VLAN_ETHERTYPE_AND - Used when multiple ethertypes can be supported
+ * by the PF concurrently. For example, if the PF can support
+ * VIRTCHNL_VLAN_ETHERTYPE_8100 AND VIRTCHNL_VLAN_ETHERTYPE_88A8 filters it
+ * would OR the following bits:
+ *
+ * VIRTHCNL_VLAN_ETHERTYPE_8100 |
+ * VIRTCHNL_VLAN_ETHERTYPE_88A8 |
+ * VIRTCHNL_VLAN_ETHERTYPE_AND;
+ *
+ * The VF would interpret this as VLAN filtering can be supported on both 0x8100
+ * and 0x88A8 VLAN ethertypes.
+ *
+ * VIRTCHNL_ETHERTYPE_XOR - Used when only a single ethertype can be supported
+ * by the PF concurrently. For example if the PF can support
+ * VIRTCHNL_VLAN_ETHERTYPE_8100 XOR VIRTCHNL_VLAN_ETHERTYPE_88A8 stripping
+ * offload it would OR the following bits:
+ *
+ * VIRTCHNL_VLAN_ETHERTYPE_8100 |
+ * VIRTCHNL_VLAN_ETHERTYPE_88A8 |
+ * VIRTCHNL_VLAN_ETHERTYPE_XOR;
+ *
+ * The VF would interpret this as VLAN stripping can be supported on either
+ * 0x8100 or 0x88a8 VLAN ethertypes. So when requesting VLAN stripping via
+ * VIRTCHNL_OP_ENABLE_VLAN_STRIPPING_V2 the specified ethertype will override
+ * the previously set value.
+ *
+ * VIRTCHNL_VLAN_TAG_LOCATION_L2TAG1 - Used to tell the VF to insert and/or
+ * strip the VLAN tag using the L2TAG1 field of the Tx/Rx descriptors.
+ *
+ * VIRTCHNL_VLAN_TAG_LOCATION_L2TAG2 - Used to tell the VF to insert hardware
+ * offloaded VLAN tags using the L2TAG2 field of the Tx descriptor.
+ *
+ * VIRTCHNL_VLAN_TAG_LOCATION_L2TAG2 - Used to tell the VF to strip hardware
+ * offloaded VLAN tags using the L2TAG2_2 field of the Rx descriptor.
+ *
+ * VIRTCHNL_VLAN_PRIO - This field supports VLAN priority bits. This is used for
+ * VLAN filtering if the underlying PF supports it.
+ *
+ * VIRTCHNL_VLAN_TOGGLE_ALLOWED - This field is used to say whether a
+ * certain VLAN capability can be toggled. For example if the underlying PF/CP
+ * allows the VF to toggle VLAN filtering, stripping, and/or insertion it should
+ * set this bit along with the supported ethertypes.
+ */
+enum virtchnl_vlan_support {
+ VIRTCHNL_VLAN_UNSUPPORTED = 0,
+ VIRTCHNL_VLAN_ETHERTYPE_8100 = 0x00000001,
+ VIRTCHNL_VLAN_ETHERTYPE_88A8 = 0x00000002,
+ VIRTCHNL_VLAN_ETHERTYPE_9100 = 0x00000004,
+ VIRTCHNL_VLAN_TAG_LOCATION_L2TAG1 = 0x00000100,
+ VIRTCHNL_VLAN_TAG_LOCATION_L2TAG2 = 0x00000200,
+ VIRTCHNL_VLAN_TAG_LOCATION_L2TAG2_2 = 0x00000400,
+ VIRTCHNL_VLAN_PRIO = 0x01000000,
+ VIRTCHNL_VLAN_FILTER_MASK = 0x10000000,
+ VIRTCHNL_VLAN_ETHERTYPE_AND = 0x20000000,
+ VIRTCHNL_VLAN_ETHERTYPE_XOR = 0x40000000,
+ VIRTCHNL_VLAN_TOGGLE = 0x80000000
+};
+
+/* This structure is used as part of the VIRTCHNL_OP_GET_OFFLOAD_VLAN_V2_CAPS
+ * for filtering, insertion, and stripping capabilities.
+ *
+ * If only outer capabilities are supported (for filtering, insertion, and/or
+ * stripping) then this refers to the outer most or single VLAN from the VF's
+ * perspective.
+ *
+ * If only inner capabilities are supported (for filtering, insertion, and/or
+ * stripping) then this refers to the outer most or single VLAN from the VF's
+ * perspective. Functionally this is the same as if only outer capabilities are
+ * supported. The VF driver is just forced to use the inner fields when
+ * adding/deleting filters and enabling/disabling offloads (if supported).
+ *
+ * If both outer and inner capabilities are supported (for filtering, insertion,
+ * and/or stripping) then outer refers to the outer most or single VLAN and
+ * inner refers to the second VLAN, if it exists, in the packet.
+ *
+ * There is no support for tunneled VLAN offloads, so outer or inner are never
+ * referring to a tunneled packet from the VF's perspective.
+ */
+struct virtchnl_vlan_supported_caps {
+ u32 outer;
+ u32 inner;
+};
+
+/* The PF populates these fields based on the supported VLAN filtering. If a
+ * field is VIRTCHNL_VLAN_UNSUPPORTED then it's not supported and the PF will
+ * reject any VIRTCHNL_OP_ADD_VLAN_V2 or VIRTCHNL_OP_DEL_VLAN_V2 messages using
+ * the unsupported fields.
+ *
+ * Also, a VF is only allowed to toggle its VLAN filtering setting if the
+ * VIRTCHNL_VLAN_TOGGLE bit is set.
+ *
+ * The ethertype(s) specified in the ethertype_init field are the ethertypes
+ * enabled for VLAN filtering. VLAN filtering in this case refers to the outer
+ * most VLAN from the VF's perspective. If both inner and outer filtering are
+ * allowed then ethertype_init only refers to the outer most VLAN as only
+ * VLAN ethertype supported for inner VLAN filtering is
+ * VIRTCHNL_VLAN_ETHERTYPE_8100. By default, inner VLAN filtering is disabled
+ * when both inner and outer filtering are allowed.
+ *
+ * The max_filters field tells the VF how many VLAN filters it's allowed to have
+ * at any one time. If it exceeds this amount and tries to add another filter,
+ * then the request will be rejected by the PF. To prevent failures, the VF
+ * should keep track of how many VLAN filters it has added and not attempt to
+ * add more than max_filters.
+ */
+struct virtchnl_vlan_filtering_caps {
+ struct virtchnl_vlan_supported_caps filtering_support;
+ u32 ethertype_init;
+ u16 max_filters;
+ u8 pad[2];
+};
+
+VIRTCHNL_CHECK_STRUCT_LEN(16, virtchnl_vlan_filtering_caps);
+
+/* This enum is used for the virtchnl_vlan_offload_caps structure to specify
+ * if the PF supports a different ethertype for stripping and insertion.
+ *
+ * VIRTCHNL_ETHERTYPE_STRIPPING_MATCHES_INSERTION - The ethertype(s) specified
+ * for stripping affect the ethertype(s) specified for insertion and visa versa
+ * as well. If the VF tries to configure VLAN stripping via
+ * VIRTCHNL_OP_ENABLE_VLAN_STRIPPING_V2 with VIRTCHNL_VLAN_ETHERTYPE_8100 then
+ * that will be the ethertype for both stripping and insertion.
+ *
+ * VIRTCHNL_ETHERTYPE_MATCH_NOT_REQUIRED - The ethertype(s) specified for
+ * stripping do not affect the ethertype(s) specified for insertion and visa
+ * versa.
+ */
+enum virtchnl_vlan_ethertype_match {
+ VIRTCHNL_ETHERTYPE_STRIPPING_MATCHES_INSERTION = 0,
+ VIRTCHNL_ETHERTYPE_MATCH_NOT_REQUIRED = 1,
+};
+
+/* The PF populates these fields based on the supported VLAN offloads. If a
+ * field is VIRTCHNL_VLAN_UNSUPPORTED then it's not supported and the PF will
+ * reject any VIRTCHNL_OP_ENABLE_VLAN_STRIPPING_V2 or
+ * VIRTCHNL_OP_DISABLE_VLAN_STRIPPING_V2 messages using the unsupported fields.
+ *
+ * Also, a VF is only allowed to toggle its VLAN offload setting if the
+ * VIRTCHNL_VLAN_TOGGLE_ALLOWED bit is set.
+ *
+ * The VF driver needs to be aware of how the tags are stripped by hardware and
+ * inserted by the VF driver based on the level of offload support. The PF will
+ * populate these fields based on where the VLAN tags are expected to be
+ * offloaded via the VIRTHCNL_VLAN_TAG_LOCATION_* bits. The VF will need to
+ * interpret these fields. See the definition of the
+ * VIRTCHNL_VLAN_TAG_LOCATION_* bits above the virtchnl_vlan_support
+ * enumeration.
+ */
+struct virtchnl_vlan_offload_caps {
+ struct virtchnl_vlan_supported_caps stripping_support;
+ struct virtchnl_vlan_supported_caps insertion_support;
+ u32 ethertype_init;
+ u8 ethertype_match;
+ u8 pad[3];
+};
+
+VIRTCHNL_CHECK_STRUCT_LEN(24, virtchnl_vlan_offload_caps);
+
+/* VIRTCHNL_OP_GET_OFFLOAD_VLAN_V2_CAPS
+ * VF sends this message to determine its VLAN capabilities.
+ *
+ * PF will mark which capabilities it supports based on hardware support and
+ * current configuration. For example, if a port VLAN is configured the PF will
+ * not allow outer VLAN filtering, stripping, or insertion to be configured so
+ * it will block these features from the VF.
+ *
+ * The VF will need to cross reference its capabilities with the PFs
+ * capabilities in the response message from the PF to determine the VLAN
+ * support.
+ */
+struct virtchnl_vlan_caps {
+ struct virtchnl_vlan_filtering_caps filtering;
+ struct virtchnl_vlan_offload_caps offloads;
+};
+
+VIRTCHNL_CHECK_STRUCT_LEN(40, virtchnl_vlan_caps);
+
+struct virtchnl_vlan {
+ u16 tci; /* tci[15:13] = PCP and tci[11:0] = VID */
+ u16 tci_mask; /* only valid if VIRTCHNL_VLAN_FILTER_MASK set in
+ * filtering caps
+ */
+ u16 tpid; /* 0x8100, 0x88a8, etc. and only type(s) set in
+ * filtering caps. Note that tpid here does not refer to
+ * VIRTCHNL_VLAN_ETHERTYPE_*, but it refers to the
+ * actual 2-byte VLAN TPID
+ */
+ u8 pad[2];
+};
+
+VIRTCHNL_CHECK_STRUCT_LEN(8, virtchnl_vlan);
+
+struct virtchnl_vlan_filter {
+ struct virtchnl_vlan inner;
+ struct virtchnl_vlan outer;
+ u8 pad[16];
+};
+
+VIRTCHNL_CHECK_STRUCT_LEN(32, virtchnl_vlan_filter);
+
+/* VIRTCHNL_OP_ADD_VLAN_V2
+ * VIRTCHNL_OP_DEL_VLAN_V2
+ *
+ * VF sends these messages to add/del one or more VLAN tag filters for Rx
+ * traffic.
+ *
+ * The PF attempts to add the filters and returns status.
+ *
+ * The VF should only ever attempt to add/del virtchnl_vlan_filter(s) using the
+ * supported fields negotiated via VIRTCHNL_OP_GET_OFFLOAD_VLAN_V2_CAPS.
+ */
+struct virtchnl_vlan_filter_list_v2 {
+ u16 vport_id;
+ u16 num_elements;
+ u8 pad[4];
+ struct virtchnl_vlan_filter filters[1];
+};
+
+VIRTCHNL_CHECK_STRUCT_LEN(40, virtchnl_vlan_filter_list_v2);
+
+/* VIRTCHNL_OP_ENABLE_VLAN_STRIPPING_V2
+ * VIRTCHNL_OP_DISABLE_VLAN_STRIPPING_V2
+ * VIRTCHNL_OP_ENABLE_VLAN_INSERTION_V2
+ * VIRTCHNL_OP_DISABLE_VLAN_INSERTION_V2
+ *
+ * VF sends this message to enable or disable VLAN stripping or insertion. It
+ * also needs to specify an ethertype. The VF knows which VLAN ethertypes are
+ * allowed and whether or not it's allowed to enable/disable the specific
+ * offload via the VIRTCHNL_OP_GET_OFFLOAD_VLAN_V2_CAPS message. The VF needs to
+ * parse the virtchnl_vlan_caps.offloads fields to determine which offload
+ * messages are allowed.
+ *
+ * For example, if the PF populates the virtchnl_vlan_caps.offloads in the
+ * following manner the VF will be allowed to enable and/or disable 0x8100 inner
+ * VLAN insertion and/or stripping via the opcodes listed above. Inner in this
+ * case means the outer most or single VLAN from the VF's perspective. This is
+ * because no outer offloads are supported. See the comments above the
+ * virtchnl_vlan_supported_caps structure for more details.
+ *
+ * virtchnl_vlan_caps.offloads.stripping_support.inner =
+ * VIRTCHNL_VLAN_TOGGLE |
+ * VIRTCHNL_VLAN_ETHERTYPE_8100;
+ *
+ * virtchnl_vlan_caps.offloads.insertion_support.inner =
+ * VIRTCHNL_VLAN_TOGGLE |
+ * VIRTCHNL_VLAN_ETHERTYPE_8100;
+ *
+ * In order to enable inner (again note that in this case inner is the outer
+ * most or single VLAN from the VF's perspective) VLAN stripping for 0x8100
+ * VLANs, the VF would populate the virtchnl_vlan_offload structure in the
+ * following manner and send the VIRTCHNL_OP_ENABLE_VLAN_STRIPPING_V2 message.
+ *
+ * virtchnl_vlan_offload.inner_ethertype_setting =
+ * VIRTCHNL_VLAN_ETHERTYPE_8100;
+ *
+ * virtchnl_vlan_offload.vport_id = vport_id or vsi_id assigned to the VF on
+ * initialization.
+ *
+ * The reason that VLAN TPID(s) are not being used for the
+ * outer_ethertype_setting and inner_ethertype_setting fields is because it's
+ * possible a device could support VLAN insertion and/or stripping offload on
+ * multiple ethertypes concurrently, so this method allows a VF to request
+ * multiple ethertypes in one message using the virtchnl_vlan_support
+ * enumeration.
+ *
+ * For example, if the PF populates the virtchnl_vlan_caps.offloads in the
+ * following manner the VF will be allowed to enable 0x8100 and 0x88a8 outer
+ * VLAN insertion and stripping simultaneously. The
+ * virtchnl_vlan_caps.offloads.ethertype_match field will also have to be
+ * populated based on what the PF can support.
+ *
+ * virtchnl_vlan_caps.offloads.stripping_support.outer =
+ * VIRTCHNL_VLAN_TOGGLE |
+ * VIRTCHNL_VLAN_ETHERTYPE_8100 |
+ * VIRTCHNL_VLAN_ETHERTYPE_88A8 |
+ * VIRTCHNL_VLAN_ETHERTYPE_AND;
+ *
+ * virtchnl_vlan_caps.offloads.insertion_support.outer =
+ * VIRTCHNL_VLAN_TOGGLE |
+ * VIRTCHNL_VLAN_ETHERTYPE_8100 |
+ * VIRTCHNL_VLAN_ETHERTYPE_88A8 |
+ * VIRTCHNL_VLAN_ETHERTYPE_AND;
+ *
+ * In order to enable outer VLAN stripping for 0x8100 and 0x88a8 VLANs, the VF
+ * would populate the virthcnl_vlan_offload_structure in the following manner
+ * and send the VIRTCHNL_OP_ENABLE_VLAN_STRIPPING_V2 message.
+ *
+ * virtchnl_vlan_offload.outer_ethertype_setting =
+ * VIRTHCNL_VLAN_ETHERTYPE_8100 |
+ * VIRTHCNL_VLAN_ETHERTYPE_88A8;
+ *
+ * virtchnl_vlan_offload.vport_id = vport_id or vsi_id assigned to the VF on
+ * initialization.
+ *
+ * There is also the case where a PF and the underlying hardware can support
+ * VLAN offloads on multiple ethertypes, but not concurrently. For example, if
+ * the PF populates the virtchnl_vlan_caps.offloads in the following manner the
+ * VF will be allowed to enable and/or disable 0x8100 XOR 0x88a8 outer VLAN
+ * offloads. The ethertypes must match for stripping and insertion.
+ *
+ * virtchnl_vlan_caps.offloads.stripping_support.outer =
+ * VIRTCHNL_VLAN_TOGGLE |
+ * VIRTCHNL_VLAN_ETHERTYPE_8100 |
+ * VIRTCHNL_VLAN_ETHERTYPE_88A8 |
+ * VIRTCHNL_VLAN_ETHERTYPE_XOR;
+ *
+ * virtchnl_vlan_caps.offloads.insertion_support.outer =
+ * VIRTCHNL_VLAN_TOGGLE |
+ * VIRTCHNL_VLAN_ETHERTYPE_8100 |
+ * VIRTCHNL_VLAN_ETHERTYPE_88A8 |
+ * VIRTCHNL_VLAN_ETHERTYPE_XOR;
+ *
+ * virtchnl_vlan_caps.offloads.ethertype_match =
+ * VIRTCHNL_ETHERTYPE_STRIPPING_MATCHES_INSERTION;
+ *
+ * In order to enable outer VLAN stripping for 0x88a8 VLANs, the VF would
+ * populate the virtchnl_vlan_offload_structure in the following manner and send
+ * the VIRTCHNL_OP_ENABLE_VLAN_STRIPPING_V2. Also, this will change the
+ * ethertype for VLAN insertion if it's enabled. So, for completeness, a
+ * VIRTCHNL_OP_ENABLE_VLAN_INSERTION_V2 with the same ethertype should be sent.
+ *
+ * virtchnl_vlan_offload.outer_ethertype_setting = VIRTHCNL_VLAN_ETHERTYPE_88A8;
+ *
+ * virtchnl_vlan_offload.vport_id = vport_id or vsi_id assigned to the VF on
+ * initialization.
+ */
+struct virtchnl_vlan_offload {
+ u32 outer_ethertype_setting;
+ u32 inner_ethertype_setting;
+ u16 vport_id;
+ u8 pad[6];
+};
+
+VIRTCHNL_CHECK_STRUCT_LEN(16, virtchnl_vlan_offload);
+
/* VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE
* VF sends VSI id and flags.
* PF returns status code in retval.
VIRTCHNL_OP_MAP_UNMAP_QUEUE_VECTOR_MAX =
((u16)(~0) - sizeof(struct virtchnl_queue_vector_maps)) /
sizeof(struct virtchnl_queue_vector),
+
+ VIRTCHNL_OP_ADD_DEL_VLAN_V2_MAX =
+ ((u16)(~0) - sizeof(struct virtchnl_vlan_filter_list_v2)) /
+ sizeof(struct virtchnl_vlan_filter),
};
/**
case VIRTCHNL_OP_QUERY_FDIR_FILTER:
valid_len = sizeof(struct virtchnl_fdir_query);
break;
+ case VIRTCHNL_OP_GET_OFFLOAD_VLAN_V2_CAPS:
+ break;
+ case VIRTCHNL_OP_ADD_VLAN_V2:
+ case VIRTCHNL_OP_DEL_VLAN_V2:
+ valid_len = sizeof(struct virtchnl_vlan_filter_list_v2);
+ if (msglen >= valid_len) {
+ struct virtchnl_vlan_filter_list_v2 *vfl =
+ (struct virtchnl_vlan_filter_list_v2 *)msg;
+
+ if (vfl->num_elements == 0 || vfl->num_elements >
+ VIRTCHNL_OP_ADD_DEL_VLAN_V2_MAX) {
+ err_msg_format = true;
+ break;
+ }
+
+ valid_len += (vfl->num_elements - 1) *
+ sizeof(struct virtchnl_vlan_filter);
+ }
+ break;
+ case VIRTCHNL_OP_ENABLE_VLAN_STRIPPING_V2:
+ case VIRTCHNL_OP_DISABLE_VLAN_STRIPPING_V2:
+ case VIRTCHNL_OP_ENABLE_VLAN_INSERTION_V2:
+ case VIRTCHNL_OP_DISABLE_VLAN_INSERTION_V2:
+ valid_len = sizeof(struct virtchnl_vlan_offload);
+ break;
case VIRTCHNL_OP_ENABLE_QUEUES_V2:
case VIRTCHNL_OP_DISABLE_QUEUES_V2:
valid_len = sizeof(struct virtchnl_del_ena_dis_queues);