1172 lines
37 KiB
C
1172 lines
37 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*******************************************************************************
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*
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* Intel Ethernet Controller XL710 Family Linux Virtual Function Driver
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* Copyright(c) 2013 - 2014 Intel Corporation.
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*
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* Contact Information:
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* e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
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* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
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*
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******************************************************************************/
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#ifndef _VIRTCHNL_H_
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#define _VIRTCHNL_H_
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/* Description:
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* This header file describes the VF-PF communication protocol used
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* by the drivers for all devices starting from our 40G product line
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*
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* Admin queue buffer usage:
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* desc->opcode is always aqc_opc_send_msg_to_pf
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* flags, retval, datalen, and data addr are all used normally.
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* The Firmware copies the cookie fields when sending messages between the
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* PF and VF, but uses all other fields internally. Due to this limitation,
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* we must send all messages as "indirect", i.e. using an external buffer.
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*
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* All the VSI indexes are relative to the VF. Each VF can have maximum of
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* three VSIs. All the queue indexes are relative to the VSI. Each VF can
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* have a maximum of sixteen queues for all of its VSIs.
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*
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* The PF is required to return a status code in v_retval for all messages
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* except RESET_VF, which does not require any response. The return value
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* is of status_code type, defined in the shared type.h.
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*
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* In general, VF driver initialization should roughly follow the order of
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* these opcodes. The VF driver must first validate the API version of the
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* PF driver, then request a reset, then get resources, then configure
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* queues and interrupts. After these operations are complete, the VF
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* driver may start its queues, optionally add MAC and VLAN filters, and
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* process traffic.
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*/
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/* START GENERIC DEFINES
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* Need to ensure the following enums and defines hold the same meaning and
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* value in current and future projects
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*/
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/* Error Codes */
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enum virtchnl_status_code {
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VIRTCHNL_STATUS_SUCCESS = 0,
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VIRTCHNL_STATUS_ERR_PARAM = -5,
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VIRTCHNL_STATUS_ERR_NO_MEMORY = -18,
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VIRTCHNL_STATUS_ERR_OPCODE_MISMATCH = -38,
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VIRTCHNL_STATUS_ERR_CQP_COMPL_ERROR = -39,
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VIRTCHNL_STATUS_ERR_INVALID_VF_ID = -40,
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VIRTCHNL_STATUS_ERR_ADMIN_QUEUE_ERROR = -53,
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VIRTCHNL_STATUS_ERR_NOT_SUPPORTED = -64,
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};
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/* Backward compatibility */
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#define VIRTCHNL_ERR_PARAM VIRTCHNL_STATUS_ERR_PARAM
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#define VIRTCHNL_STATUS_NOT_SUPPORTED VIRTCHNL_STATUS_ERR_NOT_SUPPORTED
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#define VIRTCHNL_LINK_SPEED_2_5GB_SHIFT 0x0
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#define VIRTCHNL_LINK_SPEED_100MB_SHIFT 0x1
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#define VIRTCHNL_LINK_SPEED_1000MB_SHIFT 0x2
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#define VIRTCHNL_LINK_SPEED_10GB_SHIFT 0x3
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#define VIRTCHNL_LINK_SPEED_40GB_SHIFT 0x4
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#define VIRTCHNL_LINK_SPEED_20GB_SHIFT 0x5
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#define VIRTCHNL_LINK_SPEED_25GB_SHIFT 0x6
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#define VIRTCHNL_LINK_SPEED_5GB_SHIFT 0x7
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enum virtchnl_link_speed {
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VIRTCHNL_LINK_SPEED_UNKNOWN = 0,
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VIRTCHNL_LINK_SPEED_100MB = BIT(VIRTCHNL_LINK_SPEED_100MB_SHIFT),
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VIRTCHNL_LINK_SPEED_1GB = BIT(VIRTCHNL_LINK_SPEED_1000MB_SHIFT),
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VIRTCHNL_LINK_SPEED_10GB = BIT(VIRTCHNL_LINK_SPEED_10GB_SHIFT),
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VIRTCHNL_LINK_SPEED_40GB = BIT(VIRTCHNL_LINK_SPEED_40GB_SHIFT),
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VIRTCHNL_LINK_SPEED_20GB = BIT(VIRTCHNL_LINK_SPEED_20GB_SHIFT),
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VIRTCHNL_LINK_SPEED_25GB = BIT(VIRTCHNL_LINK_SPEED_25GB_SHIFT),
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VIRTCHNL_LINK_SPEED_2_5GB = BIT(VIRTCHNL_LINK_SPEED_2_5GB_SHIFT),
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VIRTCHNL_LINK_SPEED_5GB = BIT(VIRTCHNL_LINK_SPEED_5GB_SHIFT),
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};
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/* for hsplit_0 field of Rx HMC context */
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/* deprecated with AVF 1.0 */
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enum virtchnl_rx_hsplit {
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VIRTCHNL_RX_HSPLIT_NO_SPLIT = 0,
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VIRTCHNL_RX_HSPLIT_SPLIT_L2 = 1,
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VIRTCHNL_RX_HSPLIT_SPLIT_IP = 2,
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VIRTCHNL_RX_HSPLIT_SPLIT_TCP_UDP = 4,
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VIRTCHNL_RX_HSPLIT_SPLIT_SCTP = 8,
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};
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/* END GENERIC DEFINES */
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/* Opcodes for VF-PF communication. These are placed in the v_opcode field
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* of the virtchnl_msg structure.
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*/
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enum virtchnl_ops {
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/* The PF sends status change events to VFs using
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* the VIRTCHNL_OP_EVENT opcode.
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* VFs send requests to the PF using the other ops.
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* Use of "advanced opcode" features must be negotiated as part of capabilities
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* exchange and are not considered part of base mode feature set.
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*/
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VIRTCHNL_OP_UNKNOWN = 0,
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VIRTCHNL_OP_VERSION = 1, /* must ALWAYS be 1 */
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VIRTCHNL_OP_RESET_VF = 2,
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VIRTCHNL_OP_GET_VF_RESOURCES = 3,
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VIRTCHNL_OP_CONFIG_TX_QUEUE = 4,
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VIRTCHNL_OP_CONFIG_RX_QUEUE = 5,
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VIRTCHNL_OP_CONFIG_VSI_QUEUES = 6,
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VIRTCHNL_OP_CONFIG_IRQ_MAP = 7,
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VIRTCHNL_OP_ENABLE_QUEUES = 8,
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VIRTCHNL_OP_DISABLE_QUEUES = 9,
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VIRTCHNL_OP_ADD_ETH_ADDR = 10,
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VIRTCHNL_OP_DEL_ETH_ADDR = 11,
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VIRTCHNL_OP_ADD_VLAN = 12,
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VIRTCHNL_OP_DEL_VLAN = 13,
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VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE = 14,
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VIRTCHNL_OP_GET_STATS = 15,
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VIRTCHNL_OP_RSVD = 16,
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VIRTCHNL_OP_EVENT = 17, /* must ALWAYS be 17 */
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VIRTCHNL_OP_IWARP = 20, /* advanced opcode */
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VIRTCHNL_OP_CONFIG_IWARP_IRQ_MAP = 21, /* advanced opcode */
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VIRTCHNL_OP_RELEASE_IWARP_IRQ_MAP = 22, /* advanced opcode */
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VIRTCHNL_OP_CONFIG_RSS_KEY = 23,
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VIRTCHNL_OP_CONFIG_RSS_LUT = 24,
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VIRTCHNL_OP_GET_RSS_HENA_CAPS = 25,
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VIRTCHNL_OP_SET_RSS_HENA = 26,
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VIRTCHNL_OP_ENABLE_VLAN_STRIPPING = 27,
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VIRTCHNL_OP_DISABLE_VLAN_STRIPPING = 28,
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VIRTCHNL_OP_REQUEST_QUEUES = 29,
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VIRTCHNL_OP_ENABLE_CHANNELS = 30,
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VIRTCHNL_OP_DISABLE_CHANNELS = 31,
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VIRTCHNL_OP_ADD_CLOUD_FILTER = 32,
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VIRTCHNL_OP_DEL_CLOUD_FILTER = 33,
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/* opcode 34 - 44 are reserved */
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VIRTCHNL_OP_ADD_RSS_CFG = 45,
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VIRTCHNL_OP_DEL_RSS_CFG = 46,
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VIRTCHNL_OP_ADD_FDIR_FILTER = 47,
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VIRTCHNL_OP_DEL_FDIR_FILTER = 48,
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VIRTCHNL_OP_MAX,
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};
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/* These macros are used to generate compilation errors if a structure/union
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* is not exactly the correct length. It gives a divide by zero error if the
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* structure/union is not of the correct size, otherwise it creates an enum
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* that is never used.
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*/
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#define VIRTCHNL_CHECK_STRUCT_LEN(n, X) enum virtchnl_static_assert_enum_##X \
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{ virtchnl_static_assert_##X = (n)/((sizeof(struct X) == (n)) ? 1 : 0) }
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#define VIRTCHNL_CHECK_UNION_LEN(n, X) enum virtchnl_static_asset_enum_##X \
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{ virtchnl_static_assert_##X = (n)/((sizeof(union X) == (n)) ? 1 : 0) }
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/* Virtual channel message descriptor. This overlays the admin queue
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* descriptor. All other data is passed in external buffers.
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*/
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struct virtchnl_msg {
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u8 pad[8]; /* AQ flags/opcode/len/retval fields */
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enum virtchnl_ops v_opcode; /* avoid confusion with desc->opcode */
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enum virtchnl_status_code v_retval; /* ditto for desc->retval */
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u32 vfid; /* used by PF when sending to VF */
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};
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VIRTCHNL_CHECK_STRUCT_LEN(20, virtchnl_msg);
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/* Message descriptions and data structures. */
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/* VIRTCHNL_OP_VERSION
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* VF posts its version number to the PF. PF responds with its version number
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* in the same format, along with a return code.
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* Reply from PF has its major/minor versions also in param0 and param1.
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* If there is a major version mismatch, then the VF cannot operate.
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* If there is a minor version mismatch, then the VF can operate but should
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* add a warning to the system log.
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*
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* This enum element MUST always be specified as == 1, regardless of other
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* changes in the API. The PF must always respond to this message without
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* error regardless of version mismatch.
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*/
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#define VIRTCHNL_VERSION_MAJOR 1
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#define VIRTCHNL_VERSION_MINOR 1
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#define VIRTCHNL_VERSION_MINOR_NO_VF_CAPS 0
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struct virtchnl_version_info {
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u32 major;
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u32 minor;
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};
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VIRTCHNL_CHECK_STRUCT_LEN(8, virtchnl_version_info);
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#define VF_IS_V10(_v) (((_v)->major == 1) && ((_v)->minor == 0))
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#define VF_IS_V11(_ver) (((_ver)->major == 1) && ((_ver)->minor == 1))
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/* VIRTCHNL_OP_RESET_VF
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* VF sends this request to PF with no parameters
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* PF does NOT respond! VF driver must delay then poll VFGEN_RSTAT register
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* until reset completion is indicated. The admin queue must be reinitialized
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* after this operation.
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*
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* When reset is complete, PF must ensure that all queues in all VSIs associated
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* with the VF are stopped, all queue configurations in the HMC are set to 0,
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* and all MAC and VLAN filters (except the default MAC address) on all VSIs
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* are cleared.
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*/
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/* VSI types that use VIRTCHNL interface for VF-PF communication. VSI_SRIOV
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* vsi_type should always be 6 for backward compatibility. Add other fields
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* as needed.
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*/
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enum virtchnl_vsi_type {
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VIRTCHNL_VSI_TYPE_INVALID = 0,
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VIRTCHNL_VSI_SRIOV = 6,
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};
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/* VIRTCHNL_OP_GET_VF_RESOURCES
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* Version 1.0 VF sends this request to PF with no parameters
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* Version 1.1 VF sends this request to PF with u32 bitmap of its capabilities
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* PF responds with an indirect message containing
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* virtchnl_vf_resource and one or more
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* virtchnl_vsi_resource structures.
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*/
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struct virtchnl_vsi_resource {
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u16 vsi_id;
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u16 num_queue_pairs;
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enum virtchnl_vsi_type vsi_type;
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u16 qset_handle;
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u8 default_mac_addr[ETH_ALEN];
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};
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VIRTCHNL_CHECK_STRUCT_LEN(16, virtchnl_vsi_resource);
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/* VF capability flags
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* VIRTCHNL_VF_OFFLOAD_L2 flag is inclusive of base mode L2 offloads including
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* TX/RX Checksum offloading and TSO for non-tunnelled packets.
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*/
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#define VIRTCHNL_VF_OFFLOAD_L2 BIT(0)
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#define VIRTCHNL_VF_OFFLOAD_IWARP BIT(1)
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#define VIRTCHNL_VF_OFFLOAD_RSS_AQ BIT(3)
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#define VIRTCHNL_VF_OFFLOAD_RSS_REG BIT(4)
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#define VIRTCHNL_VF_OFFLOAD_WB_ON_ITR BIT(5)
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#define VIRTCHNL_VF_OFFLOAD_REQ_QUEUES BIT(6)
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/* used to negotiate communicating link speeds in Mbps */
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#define VIRTCHNL_VF_CAP_ADV_LINK_SPEED BIT(7)
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#define VIRTCHNL_VF_OFFLOAD_VLAN BIT(16)
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#define VIRTCHNL_VF_OFFLOAD_RX_POLLING BIT(17)
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#define VIRTCHNL_VF_OFFLOAD_RSS_PCTYPE_V2 BIT(18)
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#define VIRTCHNL_VF_OFFLOAD_RSS_PF BIT(19)
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#define VIRTCHNL_VF_OFFLOAD_ENCAP BIT(20)
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#define VIRTCHNL_VF_OFFLOAD_ENCAP_CSUM BIT(21)
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#define VIRTCHNL_VF_OFFLOAD_RX_ENCAP_CSUM BIT(22)
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#define VIRTCHNL_VF_OFFLOAD_ADQ BIT(23)
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#define VIRTCHNL_VF_OFFLOAD_USO BIT(25)
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#define VIRTCHNL_VF_OFFLOAD_ADV_RSS_PF BIT(27)
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#define VIRTCHNL_VF_OFFLOAD_FDIR_PF BIT(28)
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#define VF_BASE_MODE_OFFLOADS (VIRTCHNL_VF_OFFLOAD_L2 | \
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VIRTCHNL_VF_OFFLOAD_VLAN | \
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VIRTCHNL_VF_OFFLOAD_RSS_PF)
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struct virtchnl_vf_resource {
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u16 num_vsis;
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u16 num_queue_pairs;
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u16 max_vectors;
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u16 max_mtu;
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u32 vf_cap_flags;
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u32 rss_key_size;
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u32 rss_lut_size;
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struct virtchnl_vsi_resource vsi_res[1];
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};
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VIRTCHNL_CHECK_STRUCT_LEN(36, virtchnl_vf_resource);
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/* VIRTCHNL_OP_CONFIG_TX_QUEUE
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* VF sends this message to set up parameters for one TX queue.
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* External data buffer contains one instance of virtchnl_txq_info.
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* PF configures requested queue and returns a status code.
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*/
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/* Tx queue config info */
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struct virtchnl_txq_info {
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u16 vsi_id;
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u16 queue_id;
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u16 ring_len; /* number of descriptors, multiple of 8 */
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u16 headwb_enabled; /* deprecated with AVF 1.0 */
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u64 dma_ring_addr;
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u64 dma_headwb_addr; /* deprecated with AVF 1.0 */
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};
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VIRTCHNL_CHECK_STRUCT_LEN(24, virtchnl_txq_info);
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/* VIRTCHNL_OP_CONFIG_RX_QUEUE
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* VF sends this message to set up parameters for one RX queue.
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* External data buffer contains one instance of virtchnl_rxq_info.
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* PF configures requested queue and returns a status code.
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*/
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/* Rx queue config info */
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struct virtchnl_rxq_info {
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u16 vsi_id;
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u16 queue_id;
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u32 ring_len; /* number of descriptors, multiple of 32 */
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u16 hdr_size;
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u16 splithdr_enabled; /* deprecated with AVF 1.0 */
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u32 databuffer_size;
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u32 max_pkt_size;
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u32 pad1;
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u64 dma_ring_addr;
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enum virtchnl_rx_hsplit rx_split_pos; /* deprecated with AVF 1.0 */
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u32 pad2;
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};
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VIRTCHNL_CHECK_STRUCT_LEN(40, virtchnl_rxq_info);
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/* VIRTCHNL_OP_CONFIG_VSI_QUEUES
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* VF sends this message to set parameters for all active TX and RX queues
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* associated with the specified VSI.
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* PF configures queues and returns status.
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* If the number of queues specified is greater than the number of queues
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* associated with the VSI, an error is returned and no queues are configured.
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*/
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struct virtchnl_queue_pair_info {
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/* NOTE: vsi_id and queue_id should be identical for both queues. */
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struct virtchnl_txq_info txq;
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struct virtchnl_rxq_info rxq;
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};
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VIRTCHNL_CHECK_STRUCT_LEN(64, virtchnl_queue_pair_info);
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struct virtchnl_vsi_queue_config_info {
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u16 vsi_id;
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u16 num_queue_pairs;
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u32 pad;
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struct virtchnl_queue_pair_info qpair[1];
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};
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VIRTCHNL_CHECK_STRUCT_LEN(72, virtchnl_vsi_queue_config_info);
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/* VIRTCHNL_OP_REQUEST_QUEUES
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* VF sends this message to request the PF to allocate additional queues to
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* this VF. Each VF gets a guaranteed number of queues on init but asking for
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* additional queues must be negotiated. This is a best effort request as it
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* is possible the PF does not have enough queues left to support the request.
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* If the PF cannot support the number requested it will respond with the
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* maximum number it is able to support. If the request is successful, PF will
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* then reset the VF to institute required changes.
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*/
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/* VF resource request */
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struct virtchnl_vf_res_request {
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u16 num_queue_pairs;
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};
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/* VIRTCHNL_OP_CONFIG_IRQ_MAP
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* VF uses this message to map vectors to queues.
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* The rxq_map and txq_map fields are bitmaps used to indicate which queues
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* are to be associated with the specified vector.
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* The "other" causes are always mapped to vector 0.
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* PF configures interrupt mapping and returns status.
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*/
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struct virtchnl_vector_map {
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u16 vsi_id;
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u16 vector_id;
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u16 rxq_map;
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u16 txq_map;
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u16 rxitr_idx;
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u16 txitr_idx;
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};
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VIRTCHNL_CHECK_STRUCT_LEN(12, virtchnl_vector_map);
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struct virtchnl_irq_map_info {
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u16 num_vectors;
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struct virtchnl_vector_map vecmap[1];
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};
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VIRTCHNL_CHECK_STRUCT_LEN(14, virtchnl_irq_map_info);
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/* VIRTCHNL_OP_ENABLE_QUEUES
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* VIRTCHNL_OP_DISABLE_QUEUES
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* VF sends these message to enable or disable TX/RX queue pairs.
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* The queues fields are bitmaps indicating which queues to act upon.
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* (Currently, we only support 16 queues per VF, but we make the field
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* u32 to allow for expansion.)
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* PF performs requested action and returns status.
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*/
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struct virtchnl_queue_select {
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u16 vsi_id;
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u16 pad;
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u32 rx_queues;
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u32 tx_queues;
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};
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VIRTCHNL_CHECK_STRUCT_LEN(12, virtchnl_queue_select);
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/* VIRTCHNL_OP_ADD_ETH_ADDR
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* VF sends this message in order to add one or more unicast or multicast
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* address filters for the specified VSI.
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* PF adds the filters and returns status.
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*/
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/* VIRTCHNL_OP_DEL_ETH_ADDR
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* VF sends this message in order to remove one or more unicast or multicast
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* filters for the specified VSI.
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* PF removes the filters and returns status.
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*/
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/* VIRTCHNL_ETHER_ADDR_LEGACY
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* Prior to adding the @type member to virtchnl_ether_addr, there were 2 pad
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* bytes. Moving forward all VF drivers should not set type to
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* VIRTCHNL_ETHER_ADDR_LEGACY. This is only here to not break previous/legacy
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* behavior. The control plane function (i.e. PF) can use a best effort method
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* of tracking the primary/device unicast in this case, but there is no
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* guarantee and functionality depends on the implementation of the PF.
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*/
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/* VIRTCHNL_ETHER_ADDR_PRIMARY
|
|
* All VF drivers should set @type to VIRTCHNL_ETHER_ADDR_PRIMARY for the
|
|
* primary/device unicast MAC address filter for VIRTCHNL_OP_ADD_ETH_ADDR and
|
|
* VIRTCHNL_OP_DEL_ETH_ADDR. This allows for the underlying control plane
|
|
* function (i.e. PF) to accurately track and use this MAC address for
|
|
* displaying on the host and for VM/function reset.
|
|
*/
|
|
|
|
/* VIRTCHNL_ETHER_ADDR_EXTRA
|
|
* All VF drivers should set @type to VIRTCHNL_ETHER_ADDR_EXTRA for any extra
|
|
* unicast and/or multicast filters that are being added/deleted via
|
|
* VIRTCHNL_OP_DEL_ETH_ADDR/VIRTCHNL_OP_ADD_ETH_ADDR respectively.
|
|
*/
|
|
struct virtchnl_ether_addr {
|
|
u8 addr[ETH_ALEN];
|
|
u8 type;
|
|
#define VIRTCHNL_ETHER_ADDR_LEGACY 0
|
|
#define VIRTCHNL_ETHER_ADDR_PRIMARY 1
|
|
#define VIRTCHNL_ETHER_ADDR_EXTRA 2
|
|
#define VIRTCHNL_ETHER_ADDR_TYPE_MASK 3 /* first two bits of type are valid */
|
|
u8 pad;
|
|
};
|
|
|
|
VIRTCHNL_CHECK_STRUCT_LEN(8, virtchnl_ether_addr);
|
|
|
|
struct virtchnl_ether_addr_list {
|
|
u16 vsi_id;
|
|
u16 num_elements;
|
|
struct virtchnl_ether_addr list[1];
|
|
};
|
|
|
|
VIRTCHNL_CHECK_STRUCT_LEN(12, virtchnl_ether_addr_list);
|
|
|
|
/* VIRTCHNL_OP_ADD_VLAN
|
|
* VF sends this message to add one or more VLAN tag filters for receives.
|
|
* PF adds the filters and returns status.
|
|
* If a port VLAN is configured by the PF, this operation will return an
|
|
* error to the VF.
|
|
*/
|
|
|
|
/* VIRTCHNL_OP_DEL_VLAN
|
|
* VF sends this message to remove one or more VLAN tag filters for receives.
|
|
* PF removes the filters and returns status.
|
|
* If a port VLAN is configured by the PF, this operation will return an
|
|
* error to the VF.
|
|
*/
|
|
|
|
struct virtchnl_vlan_filter_list {
|
|
u16 vsi_id;
|
|
u16 num_elements;
|
|
u16 vlan_id[1];
|
|
};
|
|
|
|
VIRTCHNL_CHECK_STRUCT_LEN(6, virtchnl_vlan_filter_list);
|
|
|
|
/* VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE
|
|
* VF sends VSI id and flags.
|
|
* PF returns status code in retval.
|
|
* Note: we assume that broadcast accept mode is always enabled.
|
|
*/
|
|
struct virtchnl_promisc_info {
|
|
u16 vsi_id;
|
|
u16 flags;
|
|
};
|
|
|
|
VIRTCHNL_CHECK_STRUCT_LEN(4, virtchnl_promisc_info);
|
|
|
|
#define FLAG_VF_UNICAST_PROMISC 0x00000001
|
|
#define FLAG_VF_MULTICAST_PROMISC 0x00000002
|
|
|
|
/* VIRTCHNL_OP_GET_STATS
|
|
* VF sends this message to request stats for the selected VSI. VF uses
|
|
* the virtchnl_queue_select struct to specify the VSI. The queue_id
|
|
* field is ignored by the PF.
|
|
*
|
|
* PF replies with struct eth_stats in an external buffer.
|
|
*/
|
|
|
|
/* VIRTCHNL_OP_CONFIG_RSS_KEY
|
|
* VIRTCHNL_OP_CONFIG_RSS_LUT
|
|
* VF sends these messages to configure RSS. Only supported if both PF
|
|
* and VF drivers set the VIRTCHNL_VF_OFFLOAD_RSS_PF bit during
|
|
* configuration negotiation. If this is the case, then the RSS fields in
|
|
* the VF resource struct are valid.
|
|
* Both the key and LUT are initialized to 0 by the PF, meaning that
|
|
* RSS is effectively disabled until set up by the VF.
|
|
*/
|
|
struct virtchnl_rss_key {
|
|
u16 vsi_id;
|
|
u16 key_len;
|
|
u8 key[1]; /* RSS hash key, packed bytes */
|
|
};
|
|
|
|
VIRTCHNL_CHECK_STRUCT_LEN(6, virtchnl_rss_key);
|
|
|
|
struct virtchnl_rss_lut {
|
|
u16 vsi_id;
|
|
u16 lut_entries;
|
|
u8 lut[1]; /* RSS lookup table */
|
|
};
|
|
|
|
VIRTCHNL_CHECK_STRUCT_LEN(6, virtchnl_rss_lut);
|
|
|
|
/* VIRTCHNL_OP_GET_RSS_HENA_CAPS
|
|
* VIRTCHNL_OP_SET_RSS_HENA
|
|
* VF sends these messages to get and set the hash filter enable bits for RSS.
|
|
* By default, the PF sets these to all possible traffic types that the
|
|
* hardware supports. The VF can query this value if it wants to change the
|
|
* traffic types that are hashed by the hardware.
|
|
*/
|
|
struct virtchnl_rss_hena {
|
|
u64 hena;
|
|
};
|
|
|
|
VIRTCHNL_CHECK_STRUCT_LEN(8, virtchnl_rss_hena);
|
|
|
|
/* VIRTCHNL_OP_ENABLE_CHANNELS
|
|
* VIRTCHNL_OP_DISABLE_CHANNELS
|
|
* VF sends these messages to enable or disable channels based on
|
|
* the user specified queue count and queue offset for each traffic class.
|
|
* This struct encompasses all the information that the PF needs from
|
|
* VF to create a channel.
|
|
*/
|
|
struct virtchnl_channel_info {
|
|
u16 count; /* number of queues in a channel */
|
|
u16 offset; /* queues in a channel start from 'offset' */
|
|
u32 pad;
|
|
u64 max_tx_rate;
|
|
};
|
|
|
|
VIRTCHNL_CHECK_STRUCT_LEN(16, virtchnl_channel_info);
|
|
|
|
struct virtchnl_tc_info {
|
|
u32 num_tc;
|
|
u32 pad;
|
|
struct virtchnl_channel_info list[1];
|
|
};
|
|
|
|
VIRTCHNL_CHECK_STRUCT_LEN(24, virtchnl_tc_info);
|
|
|
|
/* VIRTCHNL_ADD_CLOUD_FILTER
|
|
* VIRTCHNL_DEL_CLOUD_FILTER
|
|
* VF sends these messages to add or delete a cloud filter based on the
|
|
* user specified match and action filters. These structures encompass
|
|
* all the information that the PF needs from the VF to add/delete a
|
|
* cloud filter.
|
|
*/
|
|
|
|
struct virtchnl_l4_spec {
|
|
u8 src_mac[ETH_ALEN];
|
|
u8 dst_mac[ETH_ALEN];
|
|
__be16 vlan_id;
|
|
__be16 pad; /* reserved for future use */
|
|
__be32 src_ip[4];
|
|
__be32 dst_ip[4];
|
|
__be16 src_port;
|
|
__be16 dst_port;
|
|
};
|
|
|
|
VIRTCHNL_CHECK_STRUCT_LEN(52, virtchnl_l4_spec);
|
|
|
|
union virtchnl_flow_spec {
|
|
struct virtchnl_l4_spec tcp_spec;
|
|
u8 buffer[128]; /* reserved for future use */
|
|
};
|
|
|
|
VIRTCHNL_CHECK_UNION_LEN(128, virtchnl_flow_spec);
|
|
|
|
enum virtchnl_action {
|
|
/* action types */
|
|
VIRTCHNL_ACTION_DROP = 0,
|
|
VIRTCHNL_ACTION_TC_REDIRECT,
|
|
VIRTCHNL_ACTION_PASSTHRU,
|
|
VIRTCHNL_ACTION_QUEUE,
|
|
VIRTCHNL_ACTION_Q_REGION,
|
|
VIRTCHNL_ACTION_MARK,
|
|
VIRTCHNL_ACTION_COUNT,
|
|
};
|
|
|
|
enum virtchnl_flow_type {
|
|
/* flow types */
|
|
VIRTCHNL_TCP_V4_FLOW = 0,
|
|
VIRTCHNL_TCP_V6_FLOW,
|
|
};
|
|
|
|
struct virtchnl_filter {
|
|
union virtchnl_flow_spec data;
|
|
union virtchnl_flow_spec mask;
|
|
enum virtchnl_flow_type flow_type;
|
|
enum virtchnl_action action;
|
|
u32 action_meta;
|
|
u8 field_flags;
|
|
u8 pad[3];
|
|
};
|
|
|
|
VIRTCHNL_CHECK_STRUCT_LEN(272, virtchnl_filter);
|
|
|
|
/* VIRTCHNL_OP_EVENT
|
|
* PF sends this message to inform the VF driver of events that may affect it.
|
|
* No direct response is expected from the VF, though it may generate other
|
|
* messages in response to this one.
|
|
*/
|
|
enum virtchnl_event_codes {
|
|
VIRTCHNL_EVENT_UNKNOWN = 0,
|
|
VIRTCHNL_EVENT_LINK_CHANGE,
|
|
VIRTCHNL_EVENT_RESET_IMPENDING,
|
|
VIRTCHNL_EVENT_PF_DRIVER_CLOSE,
|
|
};
|
|
|
|
#define PF_EVENT_SEVERITY_INFO 0
|
|
#define PF_EVENT_SEVERITY_CERTAIN_DOOM 255
|
|
|
|
struct virtchnl_pf_event {
|
|
enum virtchnl_event_codes event;
|
|
union {
|
|
/* If the PF driver does not support the new speed reporting
|
|
* capabilities then use link_event else use link_event_adv to
|
|
* get the speed and link information. The ability to understand
|
|
* new speeds is indicated by setting the capability flag
|
|
* VIRTCHNL_VF_CAP_ADV_LINK_SPEED in vf_cap_flags parameter
|
|
* in virtchnl_vf_resource struct and can be used to determine
|
|
* which link event struct to use below.
|
|
*/
|
|
struct {
|
|
enum virtchnl_link_speed link_speed;
|
|
bool link_status;
|
|
} link_event;
|
|
struct {
|
|
/* link_speed provided in Mbps */
|
|
u32 link_speed;
|
|
u8 link_status;
|
|
u8 pad[3];
|
|
} link_event_adv;
|
|
} event_data;
|
|
|
|
int severity;
|
|
};
|
|
|
|
VIRTCHNL_CHECK_STRUCT_LEN(16, virtchnl_pf_event);
|
|
|
|
/* VIRTCHNL_OP_CONFIG_IWARP_IRQ_MAP
|
|
* VF uses this message to request PF to map IWARP vectors to IWARP queues.
|
|
* The request for this originates from the VF IWARP driver through
|
|
* a client interface between VF LAN and VF IWARP driver.
|
|
* A vector could have an AEQ and CEQ attached to it although
|
|
* there is a single AEQ per VF IWARP instance in which case
|
|
* most vectors will have an INVALID_IDX for aeq and valid idx for ceq.
|
|
* There will never be a case where there will be multiple CEQs attached
|
|
* to a single vector.
|
|
* PF configures interrupt mapping and returns status.
|
|
*/
|
|
|
|
struct virtchnl_iwarp_qv_info {
|
|
u32 v_idx; /* msix_vector */
|
|
u16 ceq_idx;
|
|
u16 aeq_idx;
|
|
u8 itr_idx;
|
|
u8 pad[3];
|
|
};
|
|
|
|
VIRTCHNL_CHECK_STRUCT_LEN(12, virtchnl_iwarp_qv_info);
|
|
|
|
struct virtchnl_iwarp_qvlist_info {
|
|
u32 num_vectors;
|
|
struct virtchnl_iwarp_qv_info qv_info[1];
|
|
};
|
|
|
|
VIRTCHNL_CHECK_STRUCT_LEN(16, virtchnl_iwarp_qvlist_info);
|
|
|
|
/* VF reset states - these are written into the RSTAT register:
|
|
* VFGEN_RSTAT on the VF
|
|
* When the PF initiates a reset, it writes 0
|
|
* When the reset is complete, it writes 1
|
|
* When the PF detects that the VF has recovered, it writes 2
|
|
* VF checks this register periodically to determine if a reset has occurred,
|
|
* then polls it to know when the reset is complete.
|
|
* If either the PF or VF reads the register while the hardware
|
|
* is in a reset state, it will return DEADBEEF, which, when masked
|
|
* will result in 3.
|
|
*/
|
|
enum virtchnl_vfr_states {
|
|
VIRTCHNL_VFR_INPROGRESS = 0,
|
|
VIRTCHNL_VFR_COMPLETED,
|
|
VIRTCHNL_VFR_VFACTIVE,
|
|
};
|
|
|
|
/* Type of RSS algorithm */
|
|
enum virtchnl_rss_algorithm {
|
|
VIRTCHNL_RSS_ALG_TOEPLITZ_ASYMMETRIC = 0,
|
|
VIRTCHNL_RSS_ALG_R_ASYMMETRIC = 1,
|
|
VIRTCHNL_RSS_ALG_TOEPLITZ_SYMMETRIC = 2,
|
|
VIRTCHNL_RSS_ALG_XOR_SYMMETRIC = 3,
|
|
};
|
|
|
|
#define VIRTCHNL_MAX_NUM_PROTO_HDRS 32
|
|
#define PROTO_HDR_SHIFT 5
|
|
#define PROTO_HDR_FIELD_START(proto_hdr_type) ((proto_hdr_type) << PROTO_HDR_SHIFT)
|
|
#define PROTO_HDR_FIELD_MASK ((1UL << PROTO_HDR_SHIFT) - 1)
|
|
|
|
/* VF use these macros to configure each protocol header.
|
|
* Specify which protocol headers and protocol header fields base on
|
|
* virtchnl_proto_hdr_type and virtchnl_proto_hdr_field.
|
|
* @param hdr: a struct of virtchnl_proto_hdr
|
|
* @param hdr_type: ETH/IPV4/TCP, etc
|
|
* @param field: SRC/DST/TEID/SPI, etc
|
|
*/
|
|
#define VIRTCHNL_ADD_PROTO_HDR_FIELD(hdr, field) \
|
|
((hdr)->field_selector |= BIT((field) & PROTO_HDR_FIELD_MASK))
|
|
#define VIRTCHNL_DEL_PROTO_HDR_FIELD(hdr, field) \
|
|
((hdr)->field_selector &= ~BIT((field) & PROTO_HDR_FIELD_MASK))
|
|
#define VIRTCHNL_TEST_PROTO_HDR_FIELD(hdr, val) \
|
|
((hdr)->field_selector & BIT((val) & PROTO_HDR_FIELD_MASK))
|
|
#define VIRTCHNL_GET_PROTO_HDR_FIELD(hdr) ((hdr)->field_selector)
|
|
|
|
#define VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, hdr_type, field) \
|
|
(VIRTCHNL_ADD_PROTO_HDR_FIELD(hdr, \
|
|
VIRTCHNL_PROTO_HDR_ ## hdr_type ## _ ## field))
|
|
#define VIRTCHNL_DEL_PROTO_HDR_FIELD_BIT(hdr, hdr_type, field) \
|
|
(VIRTCHNL_DEL_PROTO_HDR_FIELD(hdr, \
|
|
VIRTCHNL_PROTO_HDR_ ## hdr_type ## _ ## field))
|
|
|
|
#define VIRTCHNL_SET_PROTO_HDR_TYPE(hdr, hdr_type) \
|
|
((hdr)->type = VIRTCHNL_PROTO_HDR_ ## hdr_type)
|
|
#define VIRTCHNL_GET_PROTO_HDR_TYPE(hdr) \
|
|
(((hdr)->type) >> PROTO_HDR_SHIFT)
|
|
#define VIRTCHNL_TEST_PROTO_HDR_TYPE(hdr, val) \
|
|
((hdr)->type == ((val) >> PROTO_HDR_SHIFT))
|
|
#define VIRTCHNL_TEST_PROTO_HDR(hdr, val) \
|
|
(VIRTCHNL_TEST_PROTO_HDR_TYPE((hdr), (val)) && \
|
|
VIRTCHNL_TEST_PROTO_HDR_FIELD((hdr), (val)))
|
|
|
|
/* Protocol header type within a packet segment. A segment consists of one or
|
|
* more protocol headers that make up a logical group of protocol headers. Each
|
|
* logical group of protocol headers encapsulates or is encapsulated using/by
|
|
* tunneling or encapsulation protocols for network virtualization.
|
|
*/
|
|
enum virtchnl_proto_hdr_type {
|
|
VIRTCHNL_PROTO_HDR_NONE,
|
|
VIRTCHNL_PROTO_HDR_ETH,
|
|
VIRTCHNL_PROTO_HDR_S_VLAN,
|
|
VIRTCHNL_PROTO_HDR_C_VLAN,
|
|
VIRTCHNL_PROTO_HDR_IPV4,
|
|
VIRTCHNL_PROTO_HDR_IPV6,
|
|
VIRTCHNL_PROTO_HDR_TCP,
|
|
VIRTCHNL_PROTO_HDR_UDP,
|
|
VIRTCHNL_PROTO_HDR_SCTP,
|
|
VIRTCHNL_PROTO_HDR_GTPU_IP,
|
|
VIRTCHNL_PROTO_HDR_GTPU_EH,
|
|
VIRTCHNL_PROTO_HDR_GTPU_EH_PDU_DWN,
|
|
VIRTCHNL_PROTO_HDR_GTPU_EH_PDU_UP,
|
|
VIRTCHNL_PROTO_HDR_PPPOE,
|
|
VIRTCHNL_PROTO_HDR_L2TPV3,
|
|
VIRTCHNL_PROTO_HDR_ESP,
|
|
VIRTCHNL_PROTO_HDR_AH,
|
|
VIRTCHNL_PROTO_HDR_PFCP,
|
|
};
|
|
|
|
/* Protocol header field within a protocol header. */
|
|
enum virtchnl_proto_hdr_field {
|
|
/* ETHER */
|
|
VIRTCHNL_PROTO_HDR_ETH_SRC =
|
|
PROTO_HDR_FIELD_START(VIRTCHNL_PROTO_HDR_ETH),
|
|
VIRTCHNL_PROTO_HDR_ETH_DST,
|
|
VIRTCHNL_PROTO_HDR_ETH_ETHERTYPE,
|
|
/* S-VLAN */
|
|
VIRTCHNL_PROTO_HDR_S_VLAN_ID =
|
|
PROTO_HDR_FIELD_START(VIRTCHNL_PROTO_HDR_S_VLAN),
|
|
/* C-VLAN */
|
|
VIRTCHNL_PROTO_HDR_C_VLAN_ID =
|
|
PROTO_HDR_FIELD_START(VIRTCHNL_PROTO_HDR_C_VLAN),
|
|
/* IPV4 */
|
|
VIRTCHNL_PROTO_HDR_IPV4_SRC =
|
|
PROTO_HDR_FIELD_START(VIRTCHNL_PROTO_HDR_IPV4),
|
|
VIRTCHNL_PROTO_HDR_IPV4_DST,
|
|
VIRTCHNL_PROTO_HDR_IPV4_DSCP,
|
|
VIRTCHNL_PROTO_HDR_IPV4_TTL,
|
|
VIRTCHNL_PROTO_HDR_IPV4_PROT,
|
|
/* IPV6 */
|
|
VIRTCHNL_PROTO_HDR_IPV6_SRC =
|
|
PROTO_HDR_FIELD_START(VIRTCHNL_PROTO_HDR_IPV6),
|
|
VIRTCHNL_PROTO_HDR_IPV6_DST,
|
|
VIRTCHNL_PROTO_HDR_IPV6_TC,
|
|
VIRTCHNL_PROTO_HDR_IPV6_HOP_LIMIT,
|
|
VIRTCHNL_PROTO_HDR_IPV6_PROT,
|
|
/* TCP */
|
|
VIRTCHNL_PROTO_HDR_TCP_SRC_PORT =
|
|
PROTO_HDR_FIELD_START(VIRTCHNL_PROTO_HDR_TCP),
|
|
VIRTCHNL_PROTO_HDR_TCP_DST_PORT,
|
|
/* UDP */
|
|
VIRTCHNL_PROTO_HDR_UDP_SRC_PORT =
|
|
PROTO_HDR_FIELD_START(VIRTCHNL_PROTO_HDR_UDP),
|
|
VIRTCHNL_PROTO_HDR_UDP_DST_PORT,
|
|
/* SCTP */
|
|
VIRTCHNL_PROTO_HDR_SCTP_SRC_PORT =
|
|
PROTO_HDR_FIELD_START(VIRTCHNL_PROTO_HDR_SCTP),
|
|
VIRTCHNL_PROTO_HDR_SCTP_DST_PORT,
|
|
/* GTPU_IP */
|
|
VIRTCHNL_PROTO_HDR_GTPU_IP_TEID =
|
|
PROTO_HDR_FIELD_START(VIRTCHNL_PROTO_HDR_GTPU_IP),
|
|
/* GTPU_EH */
|
|
VIRTCHNL_PROTO_HDR_GTPU_EH_PDU =
|
|
PROTO_HDR_FIELD_START(VIRTCHNL_PROTO_HDR_GTPU_EH),
|
|
VIRTCHNL_PROTO_HDR_GTPU_EH_QFI,
|
|
/* PPPOE */
|
|
VIRTCHNL_PROTO_HDR_PPPOE_SESS_ID =
|
|
PROTO_HDR_FIELD_START(VIRTCHNL_PROTO_HDR_PPPOE),
|
|
/* L2TPV3 */
|
|
VIRTCHNL_PROTO_HDR_L2TPV3_SESS_ID =
|
|
PROTO_HDR_FIELD_START(VIRTCHNL_PROTO_HDR_L2TPV3),
|
|
/* ESP */
|
|
VIRTCHNL_PROTO_HDR_ESP_SPI =
|
|
PROTO_HDR_FIELD_START(VIRTCHNL_PROTO_HDR_ESP),
|
|
/* AH */
|
|
VIRTCHNL_PROTO_HDR_AH_SPI =
|
|
PROTO_HDR_FIELD_START(VIRTCHNL_PROTO_HDR_AH),
|
|
/* PFCP */
|
|
VIRTCHNL_PROTO_HDR_PFCP_S_FIELD =
|
|
PROTO_HDR_FIELD_START(VIRTCHNL_PROTO_HDR_PFCP),
|
|
VIRTCHNL_PROTO_HDR_PFCP_SEID,
|
|
};
|
|
|
|
struct virtchnl_proto_hdr {
|
|
enum virtchnl_proto_hdr_type type;
|
|
u32 field_selector; /* a bit mask to select field for header type */
|
|
u8 buffer[64];
|
|
/**
|
|
* binary buffer in network order for specific header type.
|
|
* For example, if type = VIRTCHNL_PROTO_HDR_IPV4, a IPv4
|
|
* header is expected to be copied into the buffer.
|
|
*/
|
|
};
|
|
|
|
VIRTCHNL_CHECK_STRUCT_LEN(72, virtchnl_proto_hdr);
|
|
|
|
struct virtchnl_proto_hdrs {
|
|
u8 tunnel_level;
|
|
u8 pad[3];
|
|
/**
|
|
* specify where protocol header start from.
|
|
* 0 - from the outer layer
|
|
* 1 - from the first inner layer
|
|
* 2 - from the second inner layer
|
|
* ....
|
|
**/
|
|
int count; /* the proto layers must < VIRTCHNL_MAX_NUM_PROTO_HDRS */
|
|
struct virtchnl_proto_hdr proto_hdr[VIRTCHNL_MAX_NUM_PROTO_HDRS];
|
|
};
|
|
|
|
VIRTCHNL_CHECK_STRUCT_LEN(2312, virtchnl_proto_hdrs);
|
|
|
|
struct virtchnl_rss_cfg {
|
|
struct virtchnl_proto_hdrs proto_hdrs; /* protocol headers */
|
|
enum virtchnl_rss_algorithm rss_algorithm; /* RSS algorithm type */
|
|
u8 reserved[128]; /* reserve for future */
|
|
};
|
|
|
|
VIRTCHNL_CHECK_STRUCT_LEN(2444, virtchnl_rss_cfg);
|
|
|
|
/* action configuration for FDIR */
|
|
struct virtchnl_filter_action {
|
|
enum virtchnl_action type;
|
|
union {
|
|
/* used for queue and qgroup action */
|
|
struct {
|
|
u16 index;
|
|
u8 region;
|
|
} queue;
|
|
/* used for count action */
|
|
struct {
|
|
/* share counter ID with other flow rules */
|
|
u8 shared;
|
|
u32 id; /* counter ID */
|
|
} count;
|
|
/* used for mark action */
|
|
u32 mark_id;
|
|
u8 reserve[32];
|
|
} act_conf;
|
|
};
|
|
|
|
VIRTCHNL_CHECK_STRUCT_LEN(36, virtchnl_filter_action);
|
|
|
|
#define VIRTCHNL_MAX_NUM_ACTIONS 8
|
|
|
|
struct virtchnl_filter_action_set {
|
|
/* action number must be less then VIRTCHNL_MAX_NUM_ACTIONS */
|
|
int count;
|
|
struct virtchnl_filter_action actions[VIRTCHNL_MAX_NUM_ACTIONS];
|
|
};
|
|
|
|
VIRTCHNL_CHECK_STRUCT_LEN(292, virtchnl_filter_action_set);
|
|
|
|
/* pattern and action for FDIR rule */
|
|
struct virtchnl_fdir_rule {
|
|
struct virtchnl_proto_hdrs proto_hdrs;
|
|
struct virtchnl_filter_action_set action_set;
|
|
};
|
|
|
|
VIRTCHNL_CHECK_STRUCT_LEN(2604, virtchnl_fdir_rule);
|
|
|
|
/* Status returned to VF after VF requests FDIR commands
|
|
* VIRTCHNL_FDIR_SUCCESS
|
|
* VF FDIR related request is successfully done by PF
|
|
* The request can be OP_ADD/DEL.
|
|
*
|
|
* VIRTCHNL_FDIR_FAILURE_RULE_NORESOURCE
|
|
* OP_ADD_FDIR_FILTER request is failed due to no Hardware resource.
|
|
*
|
|
* VIRTCHNL_FDIR_FAILURE_RULE_EXIST
|
|
* OP_ADD_FDIR_FILTER request is failed due to the rule is already existed.
|
|
*
|
|
* VIRTCHNL_FDIR_FAILURE_RULE_CONFLICT
|
|
* OP_ADD_FDIR_FILTER request is failed due to conflict with existing rule.
|
|
*
|
|
* VIRTCHNL_FDIR_FAILURE_RULE_NONEXIST
|
|
* OP_DEL_FDIR_FILTER request is failed due to this rule doesn't exist.
|
|
*
|
|
* VIRTCHNL_FDIR_FAILURE_RULE_INVALID
|
|
* OP_ADD_FDIR_FILTER request is failed due to parameters validation
|
|
* or HW doesn't support.
|
|
*
|
|
* VIRTCHNL_FDIR_FAILURE_RULE_TIMEOUT
|
|
* OP_ADD/DEL_FDIR_FILTER request is failed due to timing out
|
|
* for programming.
|
|
*/
|
|
enum virtchnl_fdir_prgm_status {
|
|
VIRTCHNL_FDIR_SUCCESS = 0,
|
|
VIRTCHNL_FDIR_FAILURE_RULE_NORESOURCE,
|
|
VIRTCHNL_FDIR_FAILURE_RULE_EXIST,
|
|
VIRTCHNL_FDIR_FAILURE_RULE_CONFLICT,
|
|
VIRTCHNL_FDIR_FAILURE_RULE_NONEXIST,
|
|
VIRTCHNL_FDIR_FAILURE_RULE_INVALID,
|
|
VIRTCHNL_FDIR_FAILURE_RULE_TIMEOUT,
|
|
};
|
|
|
|
/* VIRTCHNL_OP_ADD_FDIR_FILTER
|
|
* VF sends this request to PF by filling out vsi_id,
|
|
* validate_only and rule_cfg. PF will return flow_id
|
|
* if the request is successfully done and return add_status to VF.
|
|
*/
|
|
struct virtchnl_fdir_add {
|
|
u16 vsi_id; /* INPUT */
|
|
/*
|
|
* 1 for validating a fdir rule, 0 for creating a fdir rule.
|
|
* Validate and create share one ops: VIRTCHNL_OP_ADD_FDIR_FILTER.
|
|
*/
|
|
u16 validate_only; /* INPUT */
|
|
u32 flow_id; /* OUTPUT */
|
|
struct virtchnl_fdir_rule rule_cfg; /* INPUT */
|
|
enum virtchnl_fdir_prgm_status status; /* OUTPUT */
|
|
};
|
|
|
|
VIRTCHNL_CHECK_STRUCT_LEN(2616, virtchnl_fdir_add);
|
|
|
|
/* VIRTCHNL_OP_DEL_FDIR_FILTER
|
|
* VF sends this request to PF by filling out vsi_id
|
|
* and flow_id. PF will return del_status to VF.
|
|
*/
|
|
struct virtchnl_fdir_del {
|
|
u16 vsi_id; /* INPUT */
|
|
u16 pad;
|
|
u32 flow_id; /* INPUT */
|
|
enum virtchnl_fdir_prgm_status status; /* OUTPUT */
|
|
};
|
|
|
|
VIRTCHNL_CHECK_STRUCT_LEN(12, virtchnl_fdir_del);
|
|
|
|
/**
|
|
* virtchnl_vc_validate_vf_msg
|
|
* @ver: Virtchnl version info
|
|
* @v_opcode: Opcode for the message
|
|
* @msg: pointer to the msg buffer
|
|
* @msglen: msg length
|
|
*
|
|
* validate msg format against struct for each opcode
|
|
*/
|
|
static inline int
|
|
virtchnl_vc_validate_vf_msg(struct virtchnl_version_info *ver, u32 v_opcode,
|
|
u8 *msg, u16 msglen)
|
|
{
|
|
bool err_msg_format = false;
|
|
int valid_len = 0;
|
|
|
|
/* Validate message length. */
|
|
switch (v_opcode) {
|
|
case VIRTCHNL_OP_VERSION:
|
|
valid_len = sizeof(struct virtchnl_version_info);
|
|
break;
|
|
case VIRTCHNL_OP_RESET_VF:
|
|
break;
|
|
case VIRTCHNL_OP_GET_VF_RESOURCES:
|
|
if (VF_IS_V11(ver))
|
|
valid_len = sizeof(u32);
|
|
break;
|
|
case VIRTCHNL_OP_CONFIG_TX_QUEUE:
|
|
valid_len = sizeof(struct virtchnl_txq_info);
|
|
break;
|
|
case VIRTCHNL_OP_CONFIG_RX_QUEUE:
|
|
valid_len = sizeof(struct virtchnl_rxq_info);
|
|
break;
|
|
case VIRTCHNL_OP_CONFIG_VSI_QUEUES:
|
|
valid_len = sizeof(struct virtchnl_vsi_queue_config_info);
|
|
if (msglen >= valid_len) {
|
|
struct virtchnl_vsi_queue_config_info *vqc =
|
|
(struct virtchnl_vsi_queue_config_info *)msg;
|
|
valid_len += (vqc->num_queue_pairs *
|
|
sizeof(struct
|
|
virtchnl_queue_pair_info));
|
|
if (vqc->num_queue_pairs == 0)
|
|
err_msg_format = true;
|
|
}
|
|
break;
|
|
case VIRTCHNL_OP_CONFIG_IRQ_MAP:
|
|
valid_len = sizeof(struct virtchnl_irq_map_info);
|
|
if (msglen >= valid_len) {
|
|
struct virtchnl_irq_map_info *vimi =
|
|
(struct virtchnl_irq_map_info *)msg;
|
|
valid_len += (vimi->num_vectors *
|
|
sizeof(struct virtchnl_vector_map));
|
|
if (vimi->num_vectors == 0)
|
|
err_msg_format = true;
|
|
}
|
|
break;
|
|
case VIRTCHNL_OP_ENABLE_QUEUES:
|
|
case VIRTCHNL_OP_DISABLE_QUEUES:
|
|
valid_len = sizeof(struct virtchnl_queue_select);
|
|
break;
|
|
case VIRTCHNL_OP_ADD_ETH_ADDR:
|
|
case VIRTCHNL_OP_DEL_ETH_ADDR:
|
|
valid_len = sizeof(struct virtchnl_ether_addr_list);
|
|
if (msglen >= valid_len) {
|
|
struct virtchnl_ether_addr_list *veal =
|
|
(struct virtchnl_ether_addr_list *)msg;
|
|
valid_len += veal->num_elements *
|
|
sizeof(struct virtchnl_ether_addr);
|
|
if (veal->num_elements == 0)
|
|
err_msg_format = true;
|
|
}
|
|
break;
|
|
case VIRTCHNL_OP_ADD_VLAN:
|
|
case VIRTCHNL_OP_DEL_VLAN:
|
|
valid_len = sizeof(struct virtchnl_vlan_filter_list);
|
|
if (msglen >= valid_len) {
|
|
struct virtchnl_vlan_filter_list *vfl =
|
|
(struct virtchnl_vlan_filter_list *)msg;
|
|
valid_len += vfl->num_elements * sizeof(u16);
|
|
if (vfl->num_elements == 0)
|
|
err_msg_format = true;
|
|
}
|
|
break;
|
|
case VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE:
|
|
valid_len = sizeof(struct virtchnl_promisc_info);
|
|
break;
|
|
case VIRTCHNL_OP_GET_STATS:
|
|
valid_len = sizeof(struct virtchnl_queue_select);
|
|
break;
|
|
case VIRTCHNL_OP_IWARP:
|
|
/* These messages are opaque to us and will be validated in
|
|
* the RDMA client code. We just need to check for nonzero
|
|
* length. The firmware will enforce max length restrictions.
|
|
*/
|
|
if (msglen)
|
|
valid_len = msglen;
|
|
else
|
|
err_msg_format = true;
|
|
break;
|
|
case VIRTCHNL_OP_RELEASE_IWARP_IRQ_MAP:
|
|
break;
|
|
case VIRTCHNL_OP_CONFIG_IWARP_IRQ_MAP:
|
|
valid_len = sizeof(struct virtchnl_iwarp_qvlist_info);
|
|
if (msglen >= valid_len) {
|
|
struct virtchnl_iwarp_qvlist_info *qv =
|
|
(struct virtchnl_iwarp_qvlist_info *)msg;
|
|
if (qv->num_vectors == 0) {
|
|
err_msg_format = true;
|
|
break;
|
|
}
|
|
valid_len += ((qv->num_vectors - 1) *
|
|
sizeof(struct virtchnl_iwarp_qv_info));
|
|
}
|
|
break;
|
|
case VIRTCHNL_OP_CONFIG_RSS_KEY:
|
|
valid_len = sizeof(struct virtchnl_rss_key);
|
|
if (msglen >= valid_len) {
|
|
struct virtchnl_rss_key *vrk =
|
|
(struct virtchnl_rss_key *)msg;
|
|
valid_len += vrk->key_len - 1;
|
|
}
|
|
break;
|
|
case VIRTCHNL_OP_CONFIG_RSS_LUT:
|
|
valid_len = sizeof(struct virtchnl_rss_lut);
|
|
if (msglen >= valid_len) {
|
|
struct virtchnl_rss_lut *vrl =
|
|
(struct virtchnl_rss_lut *)msg;
|
|
valid_len += vrl->lut_entries - 1;
|
|
}
|
|
break;
|
|
case VIRTCHNL_OP_GET_RSS_HENA_CAPS:
|
|
break;
|
|
case VIRTCHNL_OP_SET_RSS_HENA:
|
|
valid_len = sizeof(struct virtchnl_rss_hena);
|
|
break;
|
|
case VIRTCHNL_OP_ENABLE_VLAN_STRIPPING:
|
|
case VIRTCHNL_OP_DISABLE_VLAN_STRIPPING:
|
|
break;
|
|
case VIRTCHNL_OP_REQUEST_QUEUES:
|
|
valid_len = sizeof(struct virtchnl_vf_res_request);
|
|
break;
|
|
case VIRTCHNL_OP_ENABLE_CHANNELS:
|
|
valid_len = sizeof(struct virtchnl_tc_info);
|
|
if (msglen >= valid_len) {
|
|
struct virtchnl_tc_info *vti =
|
|
(struct virtchnl_tc_info *)msg;
|
|
valid_len += (vti->num_tc - 1) *
|
|
sizeof(struct virtchnl_channel_info);
|
|
if (vti->num_tc == 0)
|
|
err_msg_format = true;
|
|
}
|
|
break;
|
|
case VIRTCHNL_OP_DISABLE_CHANNELS:
|
|
break;
|
|
case VIRTCHNL_OP_ADD_CLOUD_FILTER:
|
|
valid_len = sizeof(struct virtchnl_filter);
|
|
break;
|
|
case VIRTCHNL_OP_DEL_CLOUD_FILTER:
|
|
valid_len = sizeof(struct virtchnl_filter);
|
|
break;
|
|
case VIRTCHNL_OP_ADD_RSS_CFG:
|
|
case VIRTCHNL_OP_DEL_RSS_CFG:
|
|
valid_len = sizeof(struct virtchnl_rss_cfg);
|
|
break;
|
|
case VIRTCHNL_OP_ADD_FDIR_FILTER:
|
|
valid_len = sizeof(struct virtchnl_fdir_add);
|
|
break;
|
|
case VIRTCHNL_OP_DEL_FDIR_FILTER:
|
|
valid_len = sizeof(struct virtchnl_fdir_del);
|
|
break;
|
|
/* These are always errors coming from the VF. */
|
|
case VIRTCHNL_OP_EVENT:
|
|
case VIRTCHNL_OP_UNKNOWN:
|
|
default:
|
|
return VIRTCHNL_STATUS_ERR_PARAM;
|
|
}
|
|
/* few more checks */
|
|
if (err_msg_format || valid_len != msglen)
|
|
return VIRTCHNL_STATUS_ERR_OPCODE_MISMATCH;
|
|
|
|
return 0;
|
|
}
|
|
#endif /* _VIRTCHNL_H_ */
|