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sys/dev/ice/virtchnl.h
Show All 28 Lines | |||||
* POSSIBILITY OF SUCH DAMAGE. | * POSSIBILITY OF SUCH DAMAGE. | ||||
*/ | */ | ||||
/*$FreeBSD$*/ | /*$FreeBSD$*/ | ||||
#ifndef _VIRTCHNL_H_ | #ifndef _VIRTCHNL_H_ | ||||
#define _VIRTCHNL_H_ | #define _VIRTCHNL_H_ | ||||
/* Description: | /* Description: | ||||
* This header file describes the VF-PF communication protocol used | * This header file describes the Virtual Function (VF) - Physical Function | ||||
* by the drivers for all devices starting from our 40G product line | * (PF) communication protocol used by the drivers for all devices starting | ||||
* from our 40G product line | |||||
* | * | ||||
* Admin queue buffer usage: | * Admin queue buffer usage: | ||||
* desc->opcode is always aqc_opc_send_msg_to_pf | * desc->opcode is always aqc_opc_send_msg_to_pf | ||||
* flags, retval, datalen, and data addr are all used normally. | * flags, retval, datalen, and data addr are all used normally. | ||||
* The Firmware copies the cookie fields when sending messages between the | * The Firmware copies the cookie fields when sending messages between the | ||||
* PF and VF, but uses all other fields internally. Due to this limitation, | * PF and VF, but uses all other fields internally. Due to this limitation, | ||||
* we must send all messages as "indirect", i.e. using an external buffer. | * we must send all messages as "indirect", i.e. using an external buffer. | ||||
* | * | ||||
* All the VSI indexes are relative to the VF. Each VF can have maximum of | * All the VSI indexes are relative to the VF. Each VF can have maximum of | ||||
* three VSIs. All the queue indexes are relative to the VSI. Each VF can | * three VSIs. All the queue indexes are relative to the VSI. Each VF can | ||||
* have a maximum of sixteen queues for all of its VSIs. | * have a maximum of sixteen queues for all of its VSIs. | ||||
* | * | ||||
* The PF is required to return a status code in v_retval for all messages | * The PF is required to return a status code in v_retval for all messages | ||||
* except RESET_VF, which does not require any response. The return value | * except RESET_VF, which does not require any response. The returned value | ||||
* is of status_code type, defined in the shared type.h. | * is of virtchnl_status_code type, defined in the shared type.h. | ||||
* | * | ||||
* In general, VF driver initialization should roughly follow the order of | * In general, VF driver initialization should roughly follow the order of | ||||
* these opcodes. The VF driver must first validate the API version of the | * these opcodes. The VF driver must first validate the API version of the | ||||
* PF driver, then request a reset, then get resources, then configure | * PF driver, then request a reset, then get resources, then configure | ||||
* queues and interrupts. After these operations are complete, the VF | * queues and interrupts. After these operations are complete, the VF | ||||
* driver may start its queues, optionally add MAC and VLAN filters, and | * driver may start its queues, optionally add MAC and VLAN filters, and | ||||
* process traffic. | * process traffic. | ||||
*/ | */ | ||||
▲ Show 20 Lines • Show All 90 Lines • ▼ Show 20 Lines | */ | ||||
VIRTCHNL_OP_ENABLE_VLAN_STRIPPING = 27, | VIRTCHNL_OP_ENABLE_VLAN_STRIPPING = 27, | ||||
VIRTCHNL_OP_DISABLE_VLAN_STRIPPING = 28, | VIRTCHNL_OP_DISABLE_VLAN_STRIPPING = 28, | ||||
VIRTCHNL_OP_REQUEST_QUEUES = 29, | VIRTCHNL_OP_REQUEST_QUEUES = 29, | ||||
VIRTCHNL_OP_ENABLE_CHANNELS = 30, | VIRTCHNL_OP_ENABLE_CHANNELS = 30, | ||||
VIRTCHNL_OP_DISABLE_CHANNELS = 31, | VIRTCHNL_OP_DISABLE_CHANNELS = 31, | ||||
VIRTCHNL_OP_ADD_CLOUD_FILTER = 32, | VIRTCHNL_OP_ADD_CLOUD_FILTER = 32, | ||||
VIRTCHNL_OP_DEL_CLOUD_FILTER = 33, | VIRTCHNL_OP_DEL_CLOUD_FILTER = 33, | ||||
/* opcode 34 is reserved */ | /* opcode 34 is reserved */ | ||||
/* opcodes 39, 40, 41, 42 and 43 are reserved */ | /* opcodes 38, 39, 40, 41, 42 and 43 are reserved */ | ||||
/* opcode 44 is reserved */ | /* opcode 44 is reserved */ | ||||
/* opcode 45, 46, 47, 48 and 49 are reserved */ | /* opcode 45, 46, 47, 48 and 49 are reserved */ | ||||
VIRTCHNL_OP_GET_MAX_RSS_QREGION = 50, | 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_VLAN_FILTERING_V2 = 58, | |||||
VIRTCHNL_OP_DISABLE_VLAN_FILTERING_V2 = 59, | |||||
/* opcodes 60 through 69 are reserved */ | |||||
VIRTCHNL_OP_ENABLE_QUEUES_V2 = 107, | VIRTCHNL_OP_ENABLE_QUEUES_V2 = 107, | ||||
VIRTCHNL_OP_DISABLE_QUEUES_V2 = 108, | VIRTCHNL_OP_DISABLE_QUEUES_V2 = 108, | ||||
VIRTCHNL_OP_MAP_QUEUE_VECTOR = 111, | VIRTCHNL_OP_MAP_QUEUE_VECTOR = 111, | ||||
VIRTCHNL_OP_MAX, | VIRTCHNL_OP_MAX, | ||||
}; | }; | ||||
static inline const char *virtchnl_op_str(enum virtchnl_ops v_opcode) | static inline const char *virtchnl_op_str(enum virtchnl_ops v_opcode) | ||||
{ | { | ||||
▲ Show 20 Lines • Show All 59 Lines • ▼ Show 20 Lines | static inline const char *virtchnl_op_str(enum virtchnl_ops v_opcode) | ||||
case VIRTCHNL_OP_GET_MAX_RSS_QREGION: | case VIRTCHNL_OP_GET_MAX_RSS_QREGION: | ||||
return "VIRTCHNL_OP_GET_MAX_RSS_QREGION"; | return "VIRTCHNL_OP_GET_MAX_RSS_QREGION"; | ||||
case VIRTCHNL_OP_ENABLE_QUEUES_V2: | case VIRTCHNL_OP_ENABLE_QUEUES_V2: | ||||
return "VIRTCHNL_OP_ENABLE_QUEUES_V2"; | return "VIRTCHNL_OP_ENABLE_QUEUES_V2"; | ||||
case VIRTCHNL_OP_DISABLE_QUEUES_V2: | case VIRTCHNL_OP_DISABLE_QUEUES_V2: | ||||
return "VIRTCHNL_OP_DISABLE_QUEUES_V2"; | return "VIRTCHNL_OP_DISABLE_QUEUES_V2"; | ||||
case VIRTCHNL_OP_MAP_QUEUE_VECTOR: | case VIRTCHNL_OP_MAP_QUEUE_VECTOR: | ||||
return "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_ENABLE_VLAN_FILTERING_V2: | |||||
return "VIRTCHNL_OP_ENABLE_VLAN_FILTERING_V2"; | |||||
case VIRTCHNL_OP_DISABLE_VLAN_FILTERING_V2: | |||||
return "VIRTCHNL_OP_DISABLE_VLAN_FILTERING_V2"; | |||||
case VIRTCHNL_OP_MAX: | case VIRTCHNL_OP_MAX: | ||||
return "VIRTCHNL_OP_MAX"; | return "VIRTCHNL_OP_MAX"; | ||||
default: | default: | ||||
return "Unsupported (update virtchnl.h)"; | return "Unsupported (update virtchnl.h)"; | ||||
} | } | ||||
} | } | ||||
/* These macros are used to generate compilation errors if a structure/union | /* 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 | * 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 | * structure/union is not of the correct size, otherwise it creates an enum | ||||
* that is never used. | * that is never used. | ||||
*/ | */ | ||||
#define VIRTCHNL_CHECK_STRUCT_LEN(n, X) enum virtchnl_static_assert_enum_##X \ | #define VIRTCHNL_CHECK_STRUCT_LEN(n, X) enum virtchnl_static_assert_enum_##X \ | ||||
{ virtchnl_static_assert_##X = (n)/((sizeof(struct X) == (n)) ? 1 : 0) } | { virtchnl_static_assert_##X = (n)/((sizeof(struct X) == (n)) ? 1 : 0) } | ||||
#define VIRTCHNL_CHECK_UNION_LEN(n, X) enum virtchnl_static_asset_enum_##X \ | #define VIRTCHNL_CHECK_UNION_LEN(n, X) enum virtchnl_static_asset_enum_##X \ | ||||
{ virtchnl_static_assert_##X = (n)/((sizeof(union X) == (n)) ? 1 : 0) } | { virtchnl_static_assert_##X = (n)/((sizeof(union X) == (n)) ? 1 : 0) } | ||||
/* Virtual channel message descriptor. This overlays the admin queue | /* Virtual channel message descriptor. This overlays the admin queue | ||||
* descriptor. All other data is passed in external buffers. | * descriptor. All other data is passed in external buffers. | ||||
*/ | */ | ||||
struct virtchnl_msg { | struct virtchnl_msg { | ||||
u8 pad[8]; /* AQ flags/opcode/len/retval fields */ | u8 pad[8]; /* AQ flags/opcode/len/retval fields */ | ||||
enum virtchnl_ops v_opcode; /* avoid confusion with desc->opcode */ | |||||
enum virtchnl_status_code v_retval; /* ditto for desc->retval */ | /* avoid confusion with desc->opcode */ | ||||
enum virtchnl_ops v_opcode; | |||||
/* ditto for desc->retval */ | |||||
enum virtchnl_status_code v_retval; | |||||
u32 vfid; /* used by PF when sending to VF */ | u32 vfid; /* used by PF when sending to VF */ | ||||
}; | }; | ||||
VIRTCHNL_CHECK_STRUCT_LEN(20, virtchnl_msg); | VIRTCHNL_CHECK_STRUCT_LEN(20, virtchnl_msg); | ||||
/* Message descriptions and data structures. */ | /* Message descriptions and data structures. */ | ||||
/* VIRTCHNL_OP_VERSION | /* VIRTCHNL_OP_VERSION | ||||
* VF posts its version number to the PF. PF responds with its version number | * VF posts its version number to the PF. PF responds with its version number | ||||
* in the same format, along with a return code. | * in the same format, along with a return code. | ||||
* Reply from PF has its major/minor versions also in param0 and param1. | * Reply from PF has its major/minor versions also in param0 and param1. | ||||
* If there is a major version mismatch, then the VF cannot operate. | * If there is a major version mismatch, then the VF cannot operate. | ||||
* If there is a minor version mismatch, then the VF can operate but should | * If there is a minor version mismatch, then the VF can operate but should | ||||
* add a warning to the system log. | * add a warning to the system log. | ||||
* | * | ||||
* This enum element MUST always be specified as == 1, regardless of other | * This enum element MUST always be specified as == 1, regardless of other | ||||
* changes in the API. The PF must always respond to this message without | * changes in the API. The PF must always respond to this message without | ||||
* error regardless of version mismatch. | * error regardless of version mismatch. | ||||
*/ | */ | ||||
#define VIRTCHNL_VERSION_MAJOR 1 | #define VIRTCHNL_VERSION_MAJOR 1 | ||||
#define VIRTCHNL_VERSION_MINOR 1 | #define VIRTCHNL_VERSION_MINOR 1 | ||||
#define VIRTCHNL_VERSION_MAJOR_2 2 | |||||
#define VIRTCHNL_VERSION_MINOR_0 0 | |||||
#define VIRTCHNL_VERSION_MINOR_NO_VF_CAPS 0 | #define VIRTCHNL_VERSION_MINOR_NO_VF_CAPS 0 | ||||
struct virtchnl_version_info { | struct virtchnl_version_info { | ||||
u32 major; | u32 major; | ||||
u32 minor; | u32 minor; | ||||
}; | }; | ||||
VIRTCHNL_CHECK_STRUCT_LEN(8, virtchnl_version_info); | VIRTCHNL_CHECK_STRUCT_LEN(8, virtchnl_version_info); | ||||
Show All 28 Lines | |||||
* PF responds with an indirect message containing | * PF responds with an indirect message containing | ||||
* virtchnl_vf_resource and one or more | * virtchnl_vf_resource and one or more | ||||
* virtchnl_vsi_resource structures. | * virtchnl_vsi_resource structures. | ||||
*/ | */ | ||||
struct virtchnl_vsi_resource { | struct virtchnl_vsi_resource { | ||||
u16 vsi_id; | u16 vsi_id; | ||||
u16 num_queue_pairs; | u16 num_queue_pairs; | ||||
enum virtchnl_vsi_type vsi_type; | |||||
/* see enum virtchnl_vsi_type */ | |||||
s32 vsi_type; | |||||
u16 qset_handle; | u16 qset_handle; | ||||
u8 default_mac_addr[VIRTCHNL_ETH_LENGTH_OF_ADDRESS]; | u8 default_mac_addr[VIRTCHNL_ETH_LENGTH_OF_ADDRESS]; | ||||
}; | }; | ||||
VIRTCHNL_CHECK_STRUCT_LEN(16, virtchnl_vsi_resource); | VIRTCHNL_CHECK_STRUCT_LEN(16, virtchnl_vsi_resource); | ||||
/* VF capability flags | /* VF capability flags | ||||
* VIRTCHNL_VF_OFFLOAD_L2 flag is inclusive of base mode L2 offloads including | * VIRTCHNL_VF_OFFLOAD_L2 flag is inclusive of base mode L2 offloads including | ||||
* TX/RX Checksum offloading and TSO for non-tunnelled packets. | * TX/RX Checksum offloading and TSO for non-tunnelled packets. | ||||
*/ | */ | ||||
#define VIRTCHNL_VF_OFFLOAD_L2 0x00000001 | #define VIRTCHNL_VF_OFFLOAD_L2 0x00000001 | ||||
#define VIRTCHNL_VF_OFFLOAD_IWARP 0x00000002 | #define VIRTCHNL_VF_OFFLOAD_IWARP 0x00000002 | ||||
#define VIRTCHNL_VF_OFFLOAD_RSVD 0x00000004 | #define VIRTCHNL_VF_OFFLOAD_RSVD 0x00000004 | ||||
#define VIRTCHNL_VF_OFFLOAD_RSS_AQ 0x00000008 | #define VIRTCHNL_VF_OFFLOAD_RSS_AQ 0x00000008 | ||||
#define VIRTCHNL_VF_OFFLOAD_RSS_REG 0x00000010 | #define VIRTCHNL_VF_OFFLOAD_RSS_REG 0x00000010 | ||||
#define VIRTCHNL_VF_OFFLOAD_WB_ON_ITR 0x00000020 | #define VIRTCHNL_VF_OFFLOAD_WB_ON_ITR 0x00000020 | ||||
#define VIRTCHNL_VF_OFFLOAD_REQ_QUEUES 0x00000040 | #define VIRTCHNL_VF_OFFLOAD_REQ_QUEUES 0x00000040 | ||||
#define VIRTCHNL_VF_OFFLOAD_CRC 0x00000080 | #define VIRTCHNL_VF_OFFLOAD_CRC 0x00000080 | ||||
/* 0X00000100 is reserved */ | /* 0X00000100 is reserved */ | ||||
#define VIRTCHNL_VF_LARGE_NUM_QPAIRS 0x00000200 | #define VIRTCHNL_VF_LARGE_NUM_QPAIRS 0x00000200 | ||||
#define VIRTCHNL_VF_OFFLOAD_VLAN_V2 0x00008000 | |||||
#define VIRTCHNL_VF_OFFLOAD_VLAN 0x00010000 | #define VIRTCHNL_VF_OFFLOAD_VLAN 0x00010000 | ||||
#define VIRTCHNL_VF_OFFLOAD_RX_POLLING 0x00020000 | #define VIRTCHNL_VF_OFFLOAD_RX_POLLING 0x00020000 | ||||
#define VIRTCHNL_VF_OFFLOAD_RSS_PCTYPE_V2 0x00040000 | #define VIRTCHNL_VF_OFFLOAD_RSS_PCTYPE_V2 0x00040000 | ||||
#define VIRTCHNL_VF_OFFLOAD_RSS_PF 0X00080000 | #define VIRTCHNL_VF_OFFLOAD_RSS_PF 0X00080000 | ||||
#define VIRTCHNL_VF_OFFLOAD_ENCAP 0X00100000 | #define VIRTCHNL_VF_OFFLOAD_ENCAP 0X00100000 | ||||
#define VIRTCHNL_VF_OFFLOAD_ENCAP_CSUM 0X00200000 | #define VIRTCHNL_VF_OFFLOAD_ENCAP_CSUM 0X00200000 | ||||
#define VIRTCHNL_VF_OFFLOAD_RX_ENCAP_CSUM 0X00400000 | #define VIRTCHNL_VF_OFFLOAD_RX_ENCAP_CSUM 0X00400000 | ||||
#define VIRTCHNL_VF_OFFLOAD_ADQ 0X00800000 | #define VIRTCHNL_VF_OFFLOAD_ADQ 0X00800000 | ||||
#define VIRTCHNL_VF_OFFLOAD_ADQ_V2 0X01000000 | #define VIRTCHNL_VF_OFFLOAD_ADQ_V2 0X01000000 | ||||
#define VIRTCHNL_VF_OFFLOAD_USO 0X02000000 | #define VIRTCHNL_VF_OFFLOAD_USO 0X02000000 | ||||
/* 0x04000000 is reserved */ | /* 0x04000000 is reserved */ | ||||
/* 0X08000000 and 0X10000000 are reserved */ | /* 0X08000000 and 0X10000000 are reserved */ | ||||
/* 0X20000000 is reserved */ | /* 0X20000000 is reserved */ | ||||
/* 0X40000000 is reserved */ | /* 0X40000000 is reserved */ | ||||
/* 0X80000000 is reserved */ | |||||
/* Define below the capability flags that are not offloads */ | /* Define below the capability flags that are not offloads */ | ||||
#define VIRTCHNL_VF_CAP_ADV_LINK_SPEED 0x00000080 | #define VIRTCHNL_VF_CAP_ADV_LINK_SPEED 0x00000080 | ||||
#define VF_BASE_MODE_OFFLOADS (VIRTCHNL_VF_OFFLOAD_L2 | \ | #define VF_BASE_MODE_OFFLOADS (VIRTCHNL_VF_OFFLOAD_L2 | \ | ||||
VIRTCHNL_VF_OFFLOAD_VLAN | \ | VIRTCHNL_VF_OFFLOAD_VLAN | \ | ||||
VIRTCHNL_VF_OFFLOAD_RSS_PF) | VIRTCHNL_VF_OFFLOAD_RSS_PF) | ||||
struct virtchnl_vf_resource { | struct virtchnl_vf_resource { | ||||
▲ Show 20 Lines • Show All 48 Lines • ▼ Show 20 Lines | struct virtchnl_rxq_info { | ||||
u32 ring_len; /* number of descriptors, multiple of 32 */ | u32 ring_len; /* number of descriptors, multiple of 32 */ | ||||
u16 hdr_size; | u16 hdr_size; | ||||
u16 splithdr_enabled; /* deprecated with AVF 1.0 */ | u16 splithdr_enabled; /* deprecated with AVF 1.0 */ | ||||
u32 databuffer_size; | u32 databuffer_size; | ||||
u32 max_pkt_size; | u32 max_pkt_size; | ||||
u8 crc_disable; | u8 crc_disable; | ||||
u8 pad1[3]; | u8 pad1[3]; | ||||
u64 dma_ring_addr; | u64 dma_ring_addr; | ||||
enum virtchnl_rx_hsplit rx_split_pos; /* deprecated with AVF 1.0 */ | |||||
/* see enum virtchnl_rx_hsplit; deprecated with AVF 1.0 */ | |||||
s32 rx_split_pos; | |||||
u32 pad2; | u32 pad2; | ||||
}; | }; | ||||
VIRTCHNL_CHECK_STRUCT_LEN(40, virtchnl_rxq_info); | VIRTCHNL_CHECK_STRUCT_LEN(40, virtchnl_rxq_info); | ||||
/* VIRTCHNL_OP_CONFIG_VSI_QUEUES | /* VIRTCHNL_OP_CONFIG_VSI_QUEUES | ||||
* VF sends this message to set parameters for active TX and RX queues | * VF sends this message to set parameters for active TX and RX queues | ||||
* associated with the specified VSI. | * associated with the specified VSI. | ||||
▲ Show 20 Lines • Show All 186 Lines • ▼ Show 20 Lines | |||||
struct virtchnl_vlan_filter_list { | struct virtchnl_vlan_filter_list { | ||||
u16 vsi_id; | u16 vsi_id; | ||||
u16 num_elements; | u16 num_elements; | ||||
u16 vlan_id[1]; | u16 vlan_id[1]; | ||||
}; | }; | ||||
VIRTCHNL_CHECK_STRUCT_LEN(6, virtchnl_vlan_filter_list); | 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_setting structure in the | |||||
* following manner and send the VIRTCHNL_OP_ENABLE_VLAN_STRIPPING_V2 message. | |||||
* | |||||
* virtchnl_vlan_setting.inner_ethertype_setting = | |||||
* VIRTCHNL_VLAN_ETHERTYPE_8100; | |||||
* | |||||
* virtchnl_vlan_setting.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_setting.outer_ethertype_setting = | |||||
* VIRTHCNL_VLAN_ETHERTYPE_8100 | | |||||
* VIRTHCNL_VLAN_ETHERTYPE_88A8; | |||||
* | |||||
* virtchnl_vlan_setting.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_setting 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_setting.outer_ethertype_setting = VIRTHCNL_VLAN_ETHERTYPE_88A8; | |||||
* | |||||
* virtchnl_vlan_setting.vport_id = vport_id or vsi_id assigned to the VF on | |||||
* initialization. | |||||
* | |||||
* VIRTCHNL_OP_ENABLE_VLAN_FILTERING_V2 | |||||
* VIRTCHNL_OP_DISABLE_VLAN_FILTERING_V2 | |||||
* | |||||
* VF sends this message to enable or disable VLAN filtering. 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 filtering via the | |||||
* VIRTCHNL_OP_GET_OFFLOAD_VLAN_V2_CAPS message. The VF needs to | |||||
* parse the virtchnl_vlan_caps.filtering fields to determine which, if any, | |||||
* filtering messages are allowed. | |||||
* | |||||
* For example, if the PF populates the virtchnl_vlan_caps.filtering in the | |||||
* following manner the VF will be allowed to enable/disable 0x8100 and 0x88a8 | |||||
* outer VLAN filtering together. Note, that the VIRTCHNL_VLAN_ETHERTYPE_AND | |||||
* means that all filtering ethertypes will to be enabled and disabled together | |||||
* regardless of the request from the VF. This means that the underlying | |||||
* hardware only supports VLAN filtering for all VLAN the specified ethertypes | |||||
* or none of them. | |||||
* | |||||
* virtchnl_vlan_caps.filtering.filtering_support.outer = | |||||
* VIRTCHNL_VLAN_TOGGLE | | |||||
* VIRTCHNL_VLAN_ETHERTYPE_8100 | | |||||
* VIRTHCNL_VLAN_ETHERTYPE_88A8 | | |||||
* VIRTCHNL_VLAN_ETHERTYPE_9100 | | |||||
* VIRTCHNL_VLAN_ETHERTYPE_AND; | |||||
* | |||||
* In order to enable outer VLAN filtering for 0x88a8 and 0x8100 VLANs (0x9100 | |||||
* VLANs aren't supported by the VF driver), the VF would populate the | |||||
* virtchnl_vlan_setting structure in the following manner and send the | |||||
* VIRTCHNL_OP_ENABLE_VLAN_FILTERING_V2. The same message format would be used | |||||
* to disable outer VLAN filtering for 0x88a8 and 0x8100 VLANs, but the | |||||
* VIRTCHNL_OP_DISABLE_VLAN_FILTERING_V2 opcode is used. | |||||
* | |||||
* virtchnl_vlan_setting.outer_ethertype_setting = | |||||
* VIRTCHNL_VLAN_ETHERTYPE_8100 | | |||||
* VIRTCHNL_VLAN_ETHERTYPE_88A8; | |||||
* | |||||
*/ | |||||
struct virtchnl_vlan_setting { | |||||
u32 outer_ethertype_setting; | |||||
u32 inner_ethertype_setting; | |||||
u16 vport_id; | |||||
u8 pad[6]; | |||||
}; | |||||
VIRTCHNL_CHECK_STRUCT_LEN(16, virtchnl_vlan_setting); | |||||
/* VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE | /* VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE | ||||
* VF sends VSI id and flags. | * VF sends VSI id and flags. | ||||
* PF returns status code in retval. | * PF returns status code in retval. | ||||
* Note: we assume that broadcast accept mode is always enabled. | * Note: we assume that broadcast accept mode is always enabled. | ||||
*/ | */ | ||||
struct virtchnl_promisc_info { | struct virtchnl_promisc_info { | ||||
u16 vsi_id; | u16 vsi_id; | ||||
u16 flags; | u16 flags; | ||||
▲ Show 20 Lines • Show All 146 Lines • ▼ Show 20 Lines | enum virtchnl_flow_type { | ||||
VIRTCHNL_TCP_V6_FLOW, | VIRTCHNL_TCP_V6_FLOW, | ||||
VIRTCHNL_UDP_V4_FLOW, | VIRTCHNL_UDP_V4_FLOW, | ||||
VIRTCHNL_UDP_V6_FLOW, | VIRTCHNL_UDP_V6_FLOW, | ||||
}; | }; | ||||
struct virtchnl_filter { | struct virtchnl_filter { | ||||
union virtchnl_flow_spec data; | union virtchnl_flow_spec data; | ||||
union virtchnl_flow_spec mask; | union virtchnl_flow_spec mask; | ||||
enum virtchnl_flow_type flow_type; | |||||
enum virtchnl_action action; | /* see enum virtchnl_flow_type */ | ||||
s32 flow_type; | |||||
/* see enum virtchnl_action */ | |||||
s32 action; | |||||
u32 action_meta; | u32 action_meta; | ||||
u8 field_flags; | u8 field_flags; | ||||
}; | }; | ||||
VIRTCHNL_CHECK_STRUCT_LEN(272, virtchnl_filter); | VIRTCHNL_CHECK_STRUCT_LEN(272, virtchnl_filter); | ||||
/* VIRTCHNL_OP_EVENT | /* VIRTCHNL_OP_EVENT | ||||
* PF sends this message to inform the VF driver of events that may affect it. | * 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 | * No direct response is expected from the VF, though it may generate other | ||||
* messages in response to this one. | * messages in response to this one. | ||||
*/ | */ | ||||
enum virtchnl_event_codes { | enum virtchnl_event_codes { | ||||
VIRTCHNL_EVENT_UNKNOWN = 0, | VIRTCHNL_EVENT_UNKNOWN = 0, | ||||
VIRTCHNL_EVENT_LINK_CHANGE, | VIRTCHNL_EVENT_LINK_CHANGE, | ||||
VIRTCHNL_EVENT_RESET_IMPENDING, | VIRTCHNL_EVENT_RESET_IMPENDING, | ||||
VIRTCHNL_EVENT_PF_DRIVER_CLOSE, | VIRTCHNL_EVENT_PF_DRIVER_CLOSE, | ||||
}; | }; | ||||
#define PF_EVENT_SEVERITY_INFO 0 | #define PF_EVENT_SEVERITY_INFO 0 | ||||
#define PF_EVENT_SEVERITY_ATTENTION 1 | #define PF_EVENT_SEVERITY_ATTENTION 1 | ||||
#define PF_EVENT_SEVERITY_ACTION_REQUIRED 2 | #define PF_EVENT_SEVERITY_ACTION_REQUIRED 2 | ||||
#define PF_EVENT_SEVERITY_CERTAIN_DOOM 255 | #define PF_EVENT_SEVERITY_CERTAIN_DOOM 255 | ||||
struct virtchnl_pf_event { | struct virtchnl_pf_event { | ||||
enum virtchnl_event_codes event; | /* see enum virtchnl_event_codes */ | ||||
s32 event; | |||||
union { | union { | ||||
/* If the PF driver does not support the new speed reporting | /* If the PF driver does not support the new speed reporting | ||||
* capabilities then use link_event else use link_event_adv to | * capabilities then use link_event else use link_event_adv to | ||||
* get the speed and link information. The ability to understand | * get the speed and link information. The ability to understand | ||||
* new speeds is indicated by setting the capability flag | * new speeds is indicated by setting the capability flag | ||||
* VIRTCHNL_VF_CAP_ADV_LINK_SPEED in vf_cap_flags parameter | * VIRTCHNL_VF_CAP_ADV_LINK_SPEED in vf_cap_flags parameter | ||||
* in virtchnl_vf_resource struct and can be used to determine | * in virtchnl_vf_resource struct and can be used to determine | ||||
* which link event struct to use below. | * which link event struct to use below. | ||||
*/ | */ | ||||
struct { | struct { | ||||
enum virtchnl_link_speed link_speed; | enum virtchnl_link_speed link_speed; | ||||
u8 link_status; | bool link_status; | ||||
u8 pad[3]; | |||||
} link_event; | } link_event; | ||||
struct { | struct { | ||||
/* link_speed provided in Mbps */ | /* link_speed provided in Mbps */ | ||||
u32 link_speed; | u32 link_speed; | ||||
u8 link_status; | u8 link_status; | ||||
u8 pad[3]; | |||||
} link_event_adv; | } link_event_adv; | ||||
struct { | |||||
/* link_speed provided in Mbps */ | |||||
u32 link_speed; | |||||
u16 vport_id; | |||||
u8 link_status; | |||||
u8 pad; | |||||
} link_event_adv_vport; | |||||
} event_data; | } event_data; | ||||
int severity; | s32 severity; | ||||
}; | }; | ||||
VIRTCHNL_CHECK_STRUCT_LEN(16, virtchnl_pf_event); | VIRTCHNL_CHECK_STRUCT_LEN(16, virtchnl_pf_event); | ||||
/* VF reset states - these are written into the RSTAT register: | /* VF reset states - these are written into the RSTAT register: | ||||
* VFGEN_RSTAT on the VF | * VFGEN_RSTAT on the VF | ||||
* When the PF initiates a reset, it writes 0 | * When the PF initiates a reset, it writes 0 | ||||
* When the reset is complete, it writes 1 | * When the reset is complete, it writes 1 | ||||
Show All 21 Lines | enum virtchnl_queue_type { | ||||
VIRTCHNL_QUEUE_TYPE_TX_COMPLETION = 2, | VIRTCHNL_QUEUE_TYPE_TX_COMPLETION = 2, | ||||
VIRTCHNL_QUEUE_TYPE_RX_BUFFER = 3, | VIRTCHNL_QUEUE_TYPE_RX_BUFFER = 3, | ||||
VIRTCHNL_QUEUE_TYPE_CONFIG_TX = 4, | VIRTCHNL_QUEUE_TYPE_CONFIG_TX = 4, | ||||
VIRTCHNL_QUEUE_TYPE_CONFIG_RX = 5 | VIRTCHNL_QUEUE_TYPE_CONFIG_RX = 5 | ||||
}; | }; | ||||
/* structure to specify a chunk of contiguous queues */ | /* structure to specify a chunk of contiguous queues */ | ||||
struct virtchnl_queue_chunk { | struct virtchnl_queue_chunk { | ||||
enum virtchnl_queue_type type; | /* see enum virtchnl_queue_type */ | ||||
s32 type; | |||||
u16 start_queue_id; | u16 start_queue_id; | ||||
u16 num_queues; | u16 num_queues; | ||||
}; | }; | ||||
VIRTCHNL_CHECK_STRUCT_LEN(8, virtchnl_queue_chunk); | VIRTCHNL_CHECK_STRUCT_LEN(8, virtchnl_queue_chunk); | ||||
/* structure to specify several chunks of contiguous queues */ | /* structure to specify several chunks of contiguous queues */ | ||||
struct virtchnl_queue_chunks { | struct virtchnl_queue_chunks { | ||||
u16 num_chunks; | u16 num_chunks; | ||||
u16 rsvd; | u16 rsvd; | ||||
struct virtchnl_queue_chunk chunks[1]; | struct virtchnl_queue_chunk chunks[1]; | ||||
}; | }; | ||||
VIRTCHNL_CHECK_STRUCT_LEN(12, virtchnl_queue_chunks); | VIRTCHNL_CHECK_STRUCT_LEN(12, virtchnl_queue_chunks); | ||||
/* VIRTCHNL_OP_ENABLE_QUEUES_V2 | /* VIRTCHNL_OP_ENABLE_QUEUES_V2 | ||||
* VIRTCHNL_OP_DISABLE_QUEUES_V2 | * VIRTCHNL_OP_DISABLE_QUEUES_V2 | ||||
* VIRTCHNL_OP_DEL_QUEUES | * VIRTCHNL_OP_DEL_QUEUES | ||||
* | * | ||||
* If VIRTCHNL_CAP_EXT_FEATURES was negotiated in VIRTCHNL_OP_GET_VF_RESOURCES | * If VIRTCHNL version was negotiated in VIRTCHNL_OP_VERSION as 2.0 | ||||
* then all of these ops are available. | * then all of these ops are available. | ||||
* | * | ||||
* If VIRTCHNL_VF_LARGE_NUM_QPAIRS was negotiated in VIRTCHNL_OP_GET_VF_RESOURCES | * If VIRTCHNL_VF_LARGE_NUM_QPAIRS was negotiated in VIRTCHNL_OP_GET_VF_RESOURCES | ||||
* then VIRTCHNL_OP_ENABLE_QUEUES_V2 and VIRTCHNL_OP_DISABLE_QUEUES_V2 are | * then VIRTCHNL_OP_ENABLE_QUEUES_V2 and VIRTCHNL_OP_DISABLE_QUEUES_V2 are | ||||
* available. | * available. | ||||
* | * | ||||
* PF sends these messages to enable, disable or delete queues specified in | * PF sends these messages to enable, disable or delete queues specified in | ||||
* chunks. PF sends virtchnl_del_ena_dis_queues struct to specify the queues | * chunks. PF sends virtchnl_del_ena_dis_queues struct to specify the queues | ||||
Show All 15 Lines | enum virtchnl_itr_idx { | ||||
VIRTCHNL_ITR_IDX_NO_ITR = 3, | VIRTCHNL_ITR_IDX_NO_ITR = 3, | ||||
}; | }; | ||||
/* Queue to vector mapping */ | /* Queue to vector mapping */ | ||||
struct virtchnl_queue_vector { | struct virtchnl_queue_vector { | ||||
u16 queue_id; | u16 queue_id; | ||||
u16 vector_id; | u16 vector_id; | ||||
u8 pad[4]; | u8 pad[4]; | ||||
enum virtchnl_itr_idx itr_idx; | |||||
enum virtchnl_queue_type queue_type; | /* see enum virtchnl_itr_idx */ | ||||
s32 itr_idx; | |||||
/* see enum virtchnl_queue_type */ | |||||
s32 queue_type; | |||||
}; | }; | ||||
VIRTCHNL_CHECK_STRUCT_LEN(16, virtchnl_queue_vector); | VIRTCHNL_CHECK_STRUCT_LEN(16, virtchnl_queue_vector); | ||||
/* VIRTCHNL_OP_MAP_QUEUE_VECTOR | /* VIRTCHNL_OP_MAP_QUEUE_VECTOR | ||||
* VIRTCHNL_OP_UNMAP_QUEUE_VECTOR | |||||
* | * | ||||
* If VIRTCHNL_CAP_EXT_FEATURES was negotiated in VIRTCHNL_OP_GET_VF_RESOURCES | |||||
* then all of these ops are available. | |||||
* | |||||
* If VIRTCHNL_VF_LARGE_NUM_QPAIRS was negotiated in VIRTCHNL_OP_GET_VF_RESOURCES | * If VIRTCHNL_VF_LARGE_NUM_QPAIRS was negotiated in VIRTCHNL_OP_GET_VF_RESOURCES | ||||
* then only VIRTCHNL_OP_MAP_QUEUE_VECTOR is available. | * then only VIRTCHNL_OP_MAP_QUEUE_VECTOR is available. | ||||
* | * | ||||
* PF sends this message to map or unmap queues to vectors and ITR index | * PF sends this message to map or unmap queues to vectors and ITR index | ||||
* registers. External data buffer contains virtchnl_queue_vector_maps structure | * registers. External data buffer contains virtchnl_queue_vector_maps structure | ||||
* that contains num_qv_maps of virtchnl_queue_vector structures. | * that contains num_qv_maps of virtchnl_queue_vector structures. | ||||
* CP maps the requested queue vector maps after validating the queue and vector | * CP maps the requested queue vector maps after validating the queue and vector | ||||
* ids and returns a status code. | * ids and returns a status code. | ||||
Show All 34 Lines | enum virtchnl_vector_limits { | ||||
VIRTCHNL_OP_ENABLE_DISABLE_DEL_QUEUES_V2_MAX = | VIRTCHNL_OP_ENABLE_DISABLE_DEL_QUEUES_V2_MAX = | ||||
((u16)(~0) - sizeof(struct virtchnl_del_ena_dis_queues)) / | ((u16)(~0) - sizeof(struct virtchnl_del_ena_dis_queues)) / | ||||
sizeof(struct virtchnl_queue_chunk), | sizeof(struct virtchnl_queue_chunk), | ||||
VIRTCHNL_OP_MAP_UNMAP_QUEUE_VECTOR_MAX = | VIRTCHNL_OP_MAP_UNMAP_QUEUE_VECTOR_MAX = | ||||
((u16)(~0) - sizeof(struct virtchnl_queue_vector_maps)) / | ((u16)(~0) - sizeof(struct virtchnl_queue_vector_maps)) / | ||||
sizeof(struct virtchnl_queue_vector), | 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), | |||||
}; | }; | ||||
/** | /** | ||||
* virtchnl_vc_validate_vf_msg | * virtchnl_vc_validate_vf_msg | ||||
* @ver: Virtchnl version info | * @ver: Virtchnl version info | ||||
* @v_opcode: Opcode for the message | * @v_opcode: Opcode for the message | ||||
* @msg: pointer to the msg buffer | * @msg: pointer to the msg buffer | ||||
* @msglen: msg length | * @msglen: msg length | ||||
▲ Show 20 Lines • Show All 157 Lines • ▼ Show 20 Lines | if (msglen >= valid_len) { | ||||
sizeof(struct virtchnl_channel_info); | sizeof(struct virtchnl_channel_info); | ||||
} | } | ||||
break; | break; | ||||
case VIRTCHNL_OP_DISABLE_CHANNELS: | case VIRTCHNL_OP_DISABLE_CHANNELS: | ||||
break; | break; | ||||
case VIRTCHNL_OP_ADD_CLOUD_FILTER: | case VIRTCHNL_OP_ADD_CLOUD_FILTER: | ||||
case VIRTCHNL_OP_DEL_CLOUD_FILTER: | case VIRTCHNL_OP_DEL_CLOUD_FILTER: | ||||
valid_len = sizeof(struct virtchnl_filter); | valid_len = sizeof(struct virtchnl_filter); | ||||
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: | |||||
case VIRTCHNL_OP_ENABLE_VLAN_FILTERING_V2: | |||||
case VIRTCHNL_OP_DISABLE_VLAN_FILTERING_V2: | |||||
valid_len = sizeof(struct virtchnl_vlan_setting); | |||||
break; | break; | ||||
case VIRTCHNL_OP_ENABLE_QUEUES_V2: | case VIRTCHNL_OP_ENABLE_QUEUES_V2: | ||||
case VIRTCHNL_OP_DISABLE_QUEUES_V2: | case VIRTCHNL_OP_DISABLE_QUEUES_V2: | ||||
valid_len = sizeof(struct virtchnl_del_ena_dis_queues); | valid_len = sizeof(struct virtchnl_del_ena_dis_queues); | ||||
if (msglen >= valid_len) { | if (msglen >= valid_len) { | ||||
struct virtchnl_del_ena_dis_queues *qs = | struct virtchnl_del_ena_dis_queues *qs = | ||||
(struct virtchnl_del_ena_dis_queues *)msg; | (struct virtchnl_del_ena_dis_queues *)msg; | ||||
if (qs->chunks.num_chunks == 0 || | if (qs->chunks.num_chunks == 0 || | ||||
Show All 35 Lines |