diff options
Diffstat (limited to 'kernel/drivers/net/hyperv/hyperv_net.h')
| -rw-r--r-- | kernel/drivers/net/hyperv/hyperv_net.h | 1221 |
1 files changed, 1221 insertions, 0 deletions
diff --git a/kernel/drivers/net/hyperv/hyperv_net.h b/kernel/drivers/net/hyperv/hyperv_net.h new file mode 100644 index 000000000..41071d32b --- /dev/null +++ b/kernel/drivers/net/hyperv/hyperv_net.h @@ -0,0 +1,1221 @@ +/* + * + * Copyright (c) 2011, Microsoft Corporation. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, see <http://www.gnu.org/licenses/>. + * + * Authors: + * Haiyang Zhang <haiyangz@microsoft.com> + * Hank Janssen <hjanssen@microsoft.com> + * K. Y. Srinivasan <kys@microsoft.com> + * + */ + +#ifndef _HYPERV_NET_H +#define _HYPERV_NET_H + +#include <linux/list.h> +#include <linux/hyperv.h> +#include <linux/rndis.h> + +/* RSS related */ +#define OID_GEN_RECEIVE_SCALE_CAPABILITIES 0x00010203 /* query only */ +#define OID_GEN_RECEIVE_SCALE_PARAMETERS 0x00010204 /* query and set */ + +#define NDIS_OBJECT_TYPE_RSS_CAPABILITIES 0x88 +#define NDIS_OBJECT_TYPE_RSS_PARAMETERS 0x89 + +#define NDIS_RECEIVE_SCALE_CAPABILITIES_REVISION_2 2 +#define NDIS_RECEIVE_SCALE_PARAMETERS_REVISION_2 2 + +struct ndis_obj_header { + u8 type; + u8 rev; + u16 size; +} __packed; + +/* ndis_recv_scale_cap/cap_flag */ +#define NDIS_RSS_CAPS_MESSAGE_SIGNALED_INTERRUPTS 0x01000000 +#define NDIS_RSS_CAPS_CLASSIFICATION_AT_ISR 0x02000000 +#define NDIS_RSS_CAPS_CLASSIFICATION_AT_DPC 0x04000000 +#define NDIS_RSS_CAPS_USING_MSI_X 0x08000000 +#define NDIS_RSS_CAPS_RSS_AVAILABLE_ON_PORTS 0x10000000 +#define NDIS_RSS_CAPS_SUPPORTS_MSI_X 0x20000000 +#define NDIS_RSS_CAPS_HASH_TYPE_TCP_IPV4 0x00000100 +#define NDIS_RSS_CAPS_HASH_TYPE_TCP_IPV6 0x00000200 +#define NDIS_RSS_CAPS_HASH_TYPE_TCP_IPV6_EX 0x00000400 + +struct ndis_recv_scale_cap { /* NDIS_RECEIVE_SCALE_CAPABILITIES */ + struct ndis_obj_header hdr; + u32 cap_flag; + u32 num_int_msg; + u32 num_recv_que; + u16 num_indirect_tabent; +} __packed; + + +/* ndis_recv_scale_param flags */ +#define NDIS_RSS_PARAM_FLAG_BASE_CPU_UNCHANGED 0x0001 +#define NDIS_RSS_PARAM_FLAG_HASH_INFO_UNCHANGED 0x0002 +#define NDIS_RSS_PARAM_FLAG_ITABLE_UNCHANGED 0x0004 +#define NDIS_RSS_PARAM_FLAG_HASH_KEY_UNCHANGED 0x0008 +#define NDIS_RSS_PARAM_FLAG_DISABLE_RSS 0x0010 + +/* Hash info bits */ +#define NDIS_HASH_FUNC_TOEPLITZ 0x00000001 +#define NDIS_HASH_IPV4 0x00000100 +#define NDIS_HASH_TCP_IPV4 0x00000200 +#define NDIS_HASH_IPV6 0x00000400 +#define NDIS_HASH_IPV6_EX 0x00000800 +#define NDIS_HASH_TCP_IPV6 0x00001000 +#define NDIS_HASH_TCP_IPV6_EX 0x00002000 + +#define NDIS_RSS_INDIRECTION_TABLE_MAX_SIZE_REVISION_2 (128 * 4) +#define NDIS_RSS_HASH_SECRET_KEY_MAX_SIZE_REVISION_2 40 + +#define ITAB_NUM 128 +#define HASH_KEYLEN NDIS_RSS_HASH_SECRET_KEY_MAX_SIZE_REVISION_2 +extern u8 netvsc_hash_key[]; + +struct ndis_recv_scale_param { /* NDIS_RECEIVE_SCALE_PARAMETERS */ + struct ndis_obj_header hdr; + + /* Qualifies the rest of the information */ + u16 flag; + + /* The base CPU number to do receive processing. not used */ + u16 base_cpu_number; + + /* This describes the hash function and type being enabled */ + u32 hashinfo; + + /* The size of indirection table array */ + u16 indirect_tabsize; + + /* The offset of the indirection table from the beginning of this + * structure + */ + u32 indirect_taboffset; + + /* The size of the hash secret key */ + u16 hashkey_size; + + /* The offset of the secret key from the beginning of this structure */ + u32 kashkey_offset; + + u32 processor_masks_offset; + u32 num_processor_masks; + u32 processor_masks_entry_size; +}; + +/* Fwd declaration */ +struct ndis_tcp_ip_checksum_info; + +/* + * Represent netvsc packet which contains 1 RNDIS and 1 ethernet frame + * within the RNDIS + */ +struct hv_netvsc_packet { + /* Bookkeeping stuff */ + u32 status; + + bool is_data_pkt; + bool xmit_more; /* from skb */ + bool cp_partial; /* partial copy into send buffer */ + + u16 vlan_tci; + + u16 q_idx; + struct vmbus_channel *channel; + + u64 send_completion_tid; + void *send_completion_ctx; + void (*send_completion)(void *context); + + u32 send_buf_index; + + /* This points to the memory after page_buf */ + struct rndis_message *rndis_msg; + + u32 rmsg_size; /* RNDIS header and PPI size */ + u32 rmsg_pgcnt; /* page count of RNDIS header and PPI */ + + u32 total_data_buflen; + /* Points to the send/receive buffer where the ethernet frame is */ + void *data; + u32 page_buf_cnt; + struct hv_page_buffer *page_buf; +}; + +struct netvsc_device_info { + unsigned char mac_adr[ETH_ALEN]; + bool link_state; /* 0 - link up, 1 - link down */ + int ring_size; +}; + +enum rndis_device_state { + RNDIS_DEV_UNINITIALIZED = 0, + RNDIS_DEV_INITIALIZING, + RNDIS_DEV_INITIALIZED, + RNDIS_DEV_DATAINITIALIZED, +}; + +struct rndis_device { + struct netvsc_device *net_dev; + + enum rndis_device_state state; + bool link_state; + bool link_change; + atomic_t new_req_id; + + spinlock_t request_lock; + struct list_head req_list; + + unsigned char hw_mac_adr[ETH_ALEN]; +}; + + +/* Interface */ +int netvsc_device_add(struct hv_device *device, void *additional_info); +int netvsc_device_remove(struct hv_device *device); +int netvsc_send(struct hv_device *device, + struct hv_netvsc_packet *packet); +void netvsc_linkstatus_callback(struct hv_device *device_obj, + struct rndis_message *resp); +void netvsc_xmit_completion(void *context); +int netvsc_recv_callback(struct hv_device *device_obj, + struct hv_netvsc_packet *packet, + struct ndis_tcp_ip_checksum_info *csum_info); +void netvsc_channel_cb(void *context); +int rndis_filter_open(struct hv_device *dev); +int rndis_filter_close(struct hv_device *dev); +int rndis_filter_device_add(struct hv_device *dev, + void *additional_info); +void rndis_filter_device_remove(struct hv_device *dev); +int rndis_filter_receive(struct hv_device *dev, + struct hv_netvsc_packet *pkt); + +int rndis_filter_set_packet_filter(struct rndis_device *dev, u32 new_filter); +int rndis_filter_set_device_mac(struct hv_device *hdev, char *mac); + + +#define NVSP_INVALID_PROTOCOL_VERSION ((u32)0xFFFFFFFF) + +#define NVSP_PROTOCOL_VERSION_1 2 +#define NVSP_PROTOCOL_VERSION_2 0x30002 +#define NVSP_PROTOCOL_VERSION_4 0x40000 +#define NVSP_PROTOCOL_VERSION_5 0x50000 + +enum { + NVSP_MSG_TYPE_NONE = 0, + + /* Init Messages */ + NVSP_MSG_TYPE_INIT = 1, + NVSP_MSG_TYPE_INIT_COMPLETE = 2, + + NVSP_VERSION_MSG_START = 100, + + /* Version 1 Messages */ + NVSP_MSG1_TYPE_SEND_NDIS_VER = NVSP_VERSION_MSG_START, + + NVSP_MSG1_TYPE_SEND_RECV_BUF, + NVSP_MSG1_TYPE_SEND_RECV_BUF_COMPLETE, + NVSP_MSG1_TYPE_REVOKE_RECV_BUF, + + NVSP_MSG1_TYPE_SEND_SEND_BUF, + NVSP_MSG1_TYPE_SEND_SEND_BUF_COMPLETE, + NVSP_MSG1_TYPE_REVOKE_SEND_BUF, + + NVSP_MSG1_TYPE_SEND_RNDIS_PKT, + NVSP_MSG1_TYPE_SEND_RNDIS_PKT_COMPLETE, + + /* Version 2 messages */ + NVSP_MSG2_TYPE_SEND_CHIMNEY_DELEGATED_BUF, + NVSP_MSG2_TYPE_SEND_CHIMNEY_DELEGATED_BUF_COMP, + NVSP_MSG2_TYPE_REVOKE_CHIMNEY_DELEGATED_BUF, + + NVSP_MSG2_TYPE_RESUME_CHIMNEY_RX_INDICATION, + + NVSP_MSG2_TYPE_TERMINATE_CHIMNEY, + NVSP_MSG2_TYPE_TERMINATE_CHIMNEY_COMP, + + NVSP_MSG2_TYPE_INDICATE_CHIMNEY_EVENT, + + NVSP_MSG2_TYPE_SEND_CHIMNEY_PKT, + NVSP_MSG2_TYPE_SEND_CHIMNEY_PKT_COMP, + + NVSP_MSG2_TYPE_POST_CHIMNEY_RECV_REQ, + NVSP_MSG2_TYPE_POST_CHIMNEY_RECV_REQ_COMP, + + NVSP_MSG2_TYPE_ALLOC_RXBUF, + NVSP_MSG2_TYPE_ALLOC_RXBUF_COMP, + + NVSP_MSG2_TYPE_FREE_RXBUF, + + NVSP_MSG2_TYPE_SEND_VMQ_RNDIS_PKT, + NVSP_MSG2_TYPE_SEND_VMQ_RNDIS_PKT_COMP, + + NVSP_MSG2_TYPE_SEND_NDIS_CONFIG, + + NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE, + NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE_COMP, + + NVSP_MSG2_MAX = NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE_COMP, + + /* Version 4 messages */ + NVSP_MSG4_TYPE_SEND_VF_ASSOCIATION, + NVSP_MSG4_TYPE_SWITCH_DATA_PATH, + NVSP_MSG4_TYPE_UPLINK_CONNECT_STATE_DEPRECATED, + + NVSP_MSG4_MAX = NVSP_MSG4_TYPE_UPLINK_CONNECT_STATE_DEPRECATED, + + /* Version 5 messages */ + NVSP_MSG5_TYPE_OID_QUERY_EX, + NVSP_MSG5_TYPE_OID_QUERY_EX_COMP, + NVSP_MSG5_TYPE_SUBCHANNEL, + NVSP_MSG5_TYPE_SEND_INDIRECTION_TABLE, + + NVSP_MSG5_MAX = NVSP_MSG5_TYPE_SEND_INDIRECTION_TABLE, +}; + +enum { + NVSP_STAT_NONE = 0, + NVSP_STAT_SUCCESS, + NVSP_STAT_FAIL, + NVSP_STAT_PROTOCOL_TOO_NEW, + NVSP_STAT_PROTOCOL_TOO_OLD, + NVSP_STAT_INVALID_RNDIS_PKT, + NVSP_STAT_BUSY, + NVSP_STAT_PROTOCOL_UNSUPPORTED, + NVSP_STAT_MAX, +}; + +struct nvsp_message_header { + u32 msg_type; +}; + +/* Init Messages */ + +/* + * This message is used by the VSC to initialize the channel after the channels + * has been opened. This message should never include anything other then + * versioning (i.e. this message will be the same for ever). + */ +struct nvsp_message_init { + u32 min_protocol_ver; + u32 max_protocol_ver; +} __packed; + +/* + * This message is used by the VSP to complete the initialization of the + * channel. This message should never include anything other then versioning + * (i.e. this message will be the same for ever). + */ +struct nvsp_message_init_complete { + u32 negotiated_protocol_ver; + u32 max_mdl_chain_len; + u32 status; +} __packed; + +union nvsp_message_init_uber { + struct nvsp_message_init init; + struct nvsp_message_init_complete init_complete; +} __packed; + +/* Version 1 Messages */ + +/* + * This message is used by the VSC to send the NDIS version to the VSP. The VSP + * can use this information when handling OIDs sent by the VSC. + */ +struct nvsp_1_message_send_ndis_version { + u32 ndis_major_ver; + u32 ndis_minor_ver; +} __packed; + +/* + * This message is used by the VSC to send a receive buffer to the VSP. The VSP + * can then use the receive buffer to send data to the VSC. + */ +struct nvsp_1_message_send_receive_buffer { + u32 gpadl_handle; + u16 id; +} __packed; + +struct nvsp_1_receive_buffer_section { + u32 offset; + u32 sub_alloc_size; + u32 num_sub_allocs; + u32 end_offset; +} __packed; + +/* + * This message is used by the VSP to acknowledge a receive buffer send by the + * VSC. This message must be sent by the VSP before the VSP uses the receive + * buffer. + */ +struct nvsp_1_message_send_receive_buffer_complete { + u32 status; + u32 num_sections; + + /* + * The receive buffer is split into two parts, a large suballocation + * section and a small suballocation section. These sections are then + * suballocated by a certain size. + */ + + /* + * For example, the following break up of the receive buffer has 6 + * large suballocations and 10 small suballocations. + */ + + /* + * | Large Section | | Small Section | + * ------------------------------------------------------------ + * | | | | | | | | | | | | | | | | | | + * | | + * LargeOffset SmallOffset + */ + + struct nvsp_1_receive_buffer_section sections[1]; +} __packed; + +/* + * This message is sent by the VSC to revoke the receive buffer. After the VSP + * completes this transaction, the vsp should never use the receive buffer + * again. + */ +struct nvsp_1_message_revoke_receive_buffer { + u16 id; +}; + +/* + * This message is used by the VSC to send a send buffer to the VSP. The VSC + * can then use the send buffer to send data to the VSP. + */ +struct nvsp_1_message_send_send_buffer { + u32 gpadl_handle; + u16 id; +} __packed; + +/* + * This message is used by the VSP to acknowledge a send buffer sent by the + * VSC. This message must be sent by the VSP before the VSP uses the sent + * buffer. + */ +struct nvsp_1_message_send_send_buffer_complete { + u32 status; + + /* + * The VSC gets to choose the size of the send buffer and the VSP gets + * to choose the sections size of the buffer. This was done to enable + * dynamic reconfigurations when the cost of GPA-direct buffers + * decreases. + */ + u32 section_size; +} __packed; + +/* + * This message is sent by the VSC to revoke the send buffer. After the VSP + * completes this transaction, the vsp should never use the send buffer again. + */ +struct nvsp_1_message_revoke_send_buffer { + u16 id; +}; + +/* + * This message is used by both the VSP and the VSC to send a RNDIS message to + * the opposite channel endpoint. + */ +struct nvsp_1_message_send_rndis_packet { + /* + * This field is specified by RNIDS. They assume there's two different + * channels of communication. However, the Network VSP only has one. + * Therefore, the channel travels with the RNDIS packet. + */ + u32 channel_type; + + /* + * This field is used to send part or all of the data through a send + * buffer. This values specifies an index into the send buffer. If the + * index is 0xFFFFFFFF, then the send buffer is not being used and all + * of the data was sent through other VMBus mechanisms. + */ + u32 send_buf_section_index; + u32 send_buf_section_size; +} __packed; + +/* + * This message is used by both the VSP and the VSC to complete a RNDIS message + * to the opposite channel endpoint. At this point, the initiator of this + * message cannot use any resources associated with the original RNDIS packet. + */ +struct nvsp_1_message_send_rndis_packet_complete { + u32 status; +}; + +union nvsp_1_message_uber { + struct nvsp_1_message_send_ndis_version send_ndis_ver; + + struct nvsp_1_message_send_receive_buffer send_recv_buf; + struct nvsp_1_message_send_receive_buffer_complete + send_recv_buf_complete; + struct nvsp_1_message_revoke_receive_buffer revoke_recv_buf; + + struct nvsp_1_message_send_send_buffer send_send_buf; + struct nvsp_1_message_send_send_buffer_complete send_send_buf_complete; + struct nvsp_1_message_revoke_send_buffer revoke_send_buf; + + struct nvsp_1_message_send_rndis_packet send_rndis_pkt; + struct nvsp_1_message_send_rndis_packet_complete + send_rndis_pkt_complete; +} __packed; + + +/* + * Network VSP protocol version 2 messages: + */ +struct nvsp_2_vsc_capability { + union { + u64 data; + struct { + u64 vmq:1; + u64 chimney:1; + u64 sriov:1; + u64 ieee8021q:1; + u64 correlation_id:1; + }; + }; +} __packed; + +struct nvsp_2_send_ndis_config { + u32 mtu; + u32 reserved; + struct nvsp_2_vsc_capability capability; +} __packed; + +/* Allocate receive buffer */ +struct nvsp_2_alloc_rxbuf { + /* Allocation ID to match the allocation request and response */ + u32 alloc_id; + + /* Length of the VM shared memory receive buffer that needs to + * be allocated + */ + u32 len; +} __packed; + +/* Allocate receive buffer complete */ +struct nvsp_2_alloc_rxbuf_comp { + /* The NDIS_STATUS code for buffer allocation */ + u32 status; + + u32 alloc_id; + + /* GPADL handle for the allocated receive buffer */ + u32 gpadl_handle; + + /* Receive buffer ID */ + u64 recv_buf_id; +} __packed; + +struct nvsp_2_free_rxbuf { + u64 recv_buf_id; +} __packed; + +union nvsp_2_message_uber { + struct nvsp_2_send_ndis_config send_ndis_config; + struct nvsp_2_alloc_rxbuf alloc_rxbuf; + struct nvsp_2_alloc_rxbuf_comp alloc_rxbuf_comp; + struct nvsp_2_free_rxbuf free_rxbuf; +} __packed; + +enum nvsp_subchannel_operation { + NVSP_SUBCHANNEL_NONE = 0, + NVSP_SUBCHANNEL_ALLOCATE, + NVSP_SUBCHANNEL_MAX +}; + +struct nvsp_5_subchannel_request { + u32 op; + u32 num_subchannels; +} __packed; + +struct nvsp_5_subchannel_complete { + u32 status; + u32 num_subchannels; /* Actual number of subchannels allocated */ +} __packed; + +struct nvsp_5_send_indirect_table { + /* The number of entries in the send indirection table */ + u32 count; + + /* The offset of the send indireciton table from top of this struct. + * The send indirection table tells which channel to put the send + * traffic on. Each entry is a channel number. + */ + u32 offset; +} __packed; + +union nvsp_5_message_uber { + struct nvsp_5_subchannel_request subchn_req; + struct nvsp_5_subchannel_complete subchn_comp; + struct nvsp_5_send_indirect_table send_table; +} __packed; + +union nvsp_all_messages { + union nvsp_message_init_uber init_msg; + union nvsp_1_message_uber v1_msg; + union nvsp_2_message_uber v2_msg; + union nvsp_5_message_uber v5_msg; +} __packed; + +/* ALL Messages */ +struct nvsp_message { + struct nvsp_message_header hdr; + union nvsp_all_messages msg; +} __packed; + + +#define NETVSC_MTU 65536 + +#define NETVSC_RECEIVE_BUFFER_SIZE (1024*1024*16) /* 16MB */ +#define NETVSC_RECEIVE_BUFFER_SIZE_LEGACY (1024*1024*15) /* 15MB */ +#define NETVSC_SEND_BUFFER_SIZE (1024 * 1024 * 15) /* 15MB */ +#define NETVSC_INVALID_INDEX -1 + + +#define NETVSC_RECEIVE_BUFFER_ID 0xcafe +#define NETVSC_SEND_BUFFER_ID 0 + +#define NETVSC_PACKET_SIZE 4096 + +#define VRSS_SEND_TAB_SIZE 16 + +#define RNDIS_MAX_PKT_DEFAULT 8 +#define RNDIS_PKT_ALIGN_DEFAULT 8 + +struct multi_send_data { + spinlock_t lock; /* protect struct multi_send_data */ + struct hv_netvsc_packet *pkt; /* netvsc pkt pending */ + u32 count; /* counter of batched packets */ +}; + +/* The context of the netvsc device */ +struct net_device_context { + /* point back to our device context */ + struct hv_device *device_ctx; + struct delayed_work dwork; + struct work_struct work; + u32 msg_enable; /* debug level */ +}; + +/* Per netvsc device */ +struct netvsc_device { + struct hv_device *dev; + + u32 nvsp_version; + + atomic_t num_outstanding_sends; + wait_queue_head_t wait_drain; + bool start_remove; + bool destroy; + + /* Receive buffer allocated by us but manages by NetVSP */ + void *recv_buf; + u32 recv_buf_size; + u32 recv_buf_gpadl_handle; + u32 recv_section_cnt; + struct nvsp_1_receive_buffer_section *recv_section; + + /* Send buffer allocated by us */ + void *send_buf; + u32 send_buf_size; + u32 send_buf_gpadl_handle; + u32 send_section_cnt; + u32 send_section_size; + unsigned long *send_section_map; + int map_words; + + /* Used for NetVSP initialization protocol */ + struct completion channel_init_wait; + struct nvsp_message channel_init_pkt; + + struct nvsp_message revoke_packet; + /* unsigned char HwMacAddr[HW_MACADDR_LEN]; */ + + struct net_device *ndev; + + struct vmbus_channel *chn_table[NR_CPUS]; + u32 send_table[VRSS_SEND_TAB_SIZE]; + u32 max_chn; + u32 num_chn; + atomic_t queue_sends[NR_CPUS]; + + /* Holds rndis device info */ + void *extension; + + int ring_size; + + /* The primary channel callback buffer */ + unsigned char *cb_buffer; + /* The sub channel callback buffer */ + unsigned char *sub_cb_buf; + + struct multi_send_data msd[NR_CPUS]; + u32 max_pkt; /* max number of pkt in one send, e.g. 8 */ + u32 pkt_align; /* alignment bytes, e.g. 8 */ + + /* The net device context */ + struct net_device_context *nd_ctx; +}; + +/* NdisInitialize message */ +struct rndis_initialize_request { + u32 req_id; + u32 major_ver; + u32 minor_ver; + u32 max_xfer_size; +}; + +/* Response to NdisInitialize */ +struct rndis_initialize_complete { + u32 req_id; + u32 status; + u32 major_ver; + u32 minor_ver; + u32 dev_flags; + u32 medium; + u32 max_pkt_per_msg; + u32 max_xfer_size; + u32 pkt_alignment_factor; + u32 af_list_offset; + u32 af_list_size; +}; + +/* Call manager devices only: Information about an address family */ +/* supported by the device is appended to the response to NdisInitialize. */ +struct rndis_co_address_family { + u32 address_family; + u32 major_ver; + u32 minor_ver; +}; + +/* NdisHalt message */ +struct rndis_halt_request { + u32 req_id; +}; + +/* NdisQueryRequest message */ +struct rndis_query_request { + u32 req_id; + u32 oid; + u32 info_buflen; + u32 info_buf_offset; + u32 dev_vc_handle; +}; + +/* Response to NdisQueryRequest */ +struct rndis_query_complete { + u32 req_id; + u32 status; + u32 info_buflen; + u32 info_buf_offset; +}; + +/* NdisSetRequest message */ +struct rndis_set_request { + u32 req_id; + u32 oid; + u32 info_buflen; + u32 info_buf_offset; + u32 dev_vc_handle; +}; + +/* Response to NdisSetRequest */ +struct rndis_set_complete { + u32 req_id; + u32 status; +}; + +/* NdisReset message */ +struct rndis_reset_request { + u32 reserved; +}; + +/* Response to NdisReset */ +struct rndis_reset_complete { + u32 status; + u32 addressing_reset; +}; + +/* NdisMIndicateStatus message */ +struct rndis_indicate_status { + u32 status; + u32 status_buflen; + u32 status_buf_offset; +}; + +/* Diagnostic information passed as the status buffer in */ +/* struct rndis_indicate_status messages signifying error conditions. */ +struct rndis_diagnostic_info { + u32 diag_status; + u32 error_offset; +}; + +/* NdisKeepAlive message */ +struct rndis_keepalive_request { + u32 req_id; +}; + +/* Response to NdisKeepAlive */ +struct rndis_keepalive_complete { + u32 req_id; + u32 status; +}; + +/* + * Data message. All Offset fields contain byte offsets from the beginning of + * struct rndis_packet. All Length fields are in bytes. VcHandle is set + * to 0 for connectionless data, otherwise it contains the VC handle. + */ +struct rndis_packet { + u32 data_offset; + u32 data_len; + u32 oob_data_offset; + u32 oob_data_len; + u32 num_oob_data_elements; + u32 per_pkt_info_offset; + u32 per_pkt_info_len; + u32 vc_handle; + u32 reserved; +}; + +/* Optional Out of Band data associated with a Data message. */ +struct rndis_oobd { + u32 size; + u32 type; + u32 class_info_offset; +}; + +/* Packet extension field contents associated with a Data message. */ +struct rndis_per_packet_info { + u32 size; + u32 type; + u32 ppi_offset; +}; + +enum ndis_per_pkt_info_type { + TCPIP_CHKSUM_PKTINFO, + IPSEC_PKTINFO, + TCP_LARGESEND_PKTINFO, + CLASSIFICATION_HANDLE_PKTINFO, + NDIS_RESERVED, + SG_LIST_PKTINFO, + IEEE_8021Q_INFO, + ORIGINAL_PKTINFO, + PACKET_CANCEL_ID, + NBL_HASH_VALUE = PACKET_CANCEL_ID, + ORIGINAL_NET_BUFLIST, + CACHED_NET_BUFLIST, + SHORT_PKT_PADINFO, + MAX_PER_PKT_INFO +}; + +struct ndis_pkt_8021q_info { + union { + struct { + u32 pri:3; /* User Priority */ + u32 cfi:1; /* Canonical Format ID */ + u32 vlanid:12; /* VLAN ID */ + u32 reserved:16; + }; + u32 value; + }; +}; + +struct ndis_oject_header { + u8 type; + u8 revision; + u16 size; +}; + +#define NDIS_OBJECT_TYPE_DEFAULT 0x80 +#define NDIS_OFFLOAD_PARAMETERS_REVISION_3 3 +#define NDIS_OFFLOAD_PARAMETERS_NO_CHANGE 0 +#define NDIS_OFFLOAD_PARAMETERS_LSOV2_DISABLED 1 +#define NDIS_OFFLOAD_PARAMETERS_LSOV2_ENABLED 2 +#define NDIS_OFFLOAD_PARAMETERS_LSOV1_ENABLED 2 +#define NDIS_OFFLOAD_PARAMETERS_RSC_DISABLED 1 +#define NDIS_OFFLOAD_PARAMETERS_RSC_ENABLED 2 +#define NDIS_OFFLOAD_PARAMETERS_TX_RX_DISABLED 1 +#define NDIS_OFFLOAD_PARAMETERS_TX_ENABLED_RX_DISABLED 2 +#define NDIS_OFFLOAD_PARAMETERS_RX_ENABLED_TX_DISABLED 3 +#define NDIS_OFFLOAD_PARAMETERS_TX_RX_ENABLED 4 + +#define NDIS_TCP_LARGE_SEND_OFFLOAD_V2_TYPE 1 +#define NDIS_TCP_LARGE_SEND_OFFLOAD_IPV4 0 +#define NDIS_TCP_LARGE_SEND_OFFLOAD_IPV6 1 + +#define VERSION_4_OFFLOAD_SIZE 22 +/* + * New offload OIDs for NDIS 6 + */ +#define OID_TCP_OFFLOAD_CURRENT_CONFIG 0xFC01020B /* query only */ +#define OID_TCP_OFFLOAD_PARAMETERS 0xFC01020C /* set only */ +#define OID_TCP_OFFLOAD_HARDWARE_CAPABILITIES 0xFC01020D/* query only */ +#define OID_TCP_CONNECTION_OFFLOAD_CURRENT_CONFIG 0xFC01020E /* query only */ +#define OID_TCP_CONNECTION_OFFLOAD_HARDWARE_CAPABILITIES 0xFC01020F /* query */ +#define OID_OFFLOAD_ENCAPSULATION 0x0101010A /* set/query */ + +struct ndis_offload_params { + struct ndis_oject_header header; + u8 ip_v4_csum; + u8 tcp_ip_v4_csum; + u8 udp_ip_v4_csum; + u8 tcp_ip_v6_csum; + u8 udp_ip_v6_csum; + u8 lso_v1; + u8 ip_sec_v1; + u8 lso_v2_ipv4; + u8 lso_v2_ipv6; + u8 tcp_connection_ip_v4; + u8 tcp_connection_ip_v6; + u32 flags; + u8 ip_sec_v2; + u8 ip_sec_v2_ip_v4; + struct { + u8 rsc_ip_v4; + u8 rsc_ip_v6; + }; + struct { + u8 encapsulated_packet_task_offload; + u8 encapsulation_types; + }; +}; + +struct ndis_tcp_ip_checksum_info { + union { + struct { + u32 is_ipv4:1; + u32 is_ipv6:1; + u32 tcp_checksum:1; + u32 udp_checksum:1; + u32 ip_header_checksum:1; + u32 reserved:11; + u32 tcp_header_offset:10; + } transmit; + struct { + u32 tcp_checksum_failed:1; + u32 udp_checksum_failed:1; + u32 ip_checksum_failed:1; + u32 tcp_checksum_succeeded:1; + u32 udp_checksum_succeeded:1; + u32 ip_checksum_succeeded:1; + u32 loopback:1; + u32 tcp_checksum_value_invalid:1; + u32 ip_checksum_value_invalid:1; + } receive; + u32 value; + }; +}; + +struct ndis_tcp_lso_info { + union { + struct { + u32 unused:30; + u32 type:1; + u32 reserved2:1; + } transmit; + struct { + u32 mss:20; + u32 tcp_header_offset:10; + u32 type:1; + u32 reserved2:1; + } lso_v1_transmit; + struct { + u32 tcp_payload:30; + u32 type:1; + u32 reserved2:1; + } lso_v1_transmit_complete; + struct { + u32 mss:20; + u32 tcp_header_offset:10; + u32 type:1; + u32 ip_version:1; + } lso_v2_transmit; + struct { + u32 reserved:30; + u32 type:1; + u32 reserved2:1; + } lso_v2_transmit_complete; + u32 value; + }; +}; + +#define NDIS_VLAN_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \ + sizeof(struct ndis_pkt_8021q_info)) + +#define NDIS_CSUM_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \ + sizeof(struct ndis_tcp_ip_checksum_info)) + +#define NDIS_LSO_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \ + sizeof(struct ndis_tcp_lso_info)) + +#define NDIS_HASH_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \ + sizeof(u32)) + +/* Total size of all PPI data */ +#define NDIS_ALL_PPI_SIZE (NDIS_VLAN_PPI_SIZE + NDIS_CSUM_PPI_SIZE + \ + NDIS_LSO_PPI_SIZE + NDIS_HASH_PPI_SIZE) + +/* Format of Information buffer passed in a SetRequest for the OID */ +/* OID_GEN_RNDIS_CONFIG_PARAMETER. */ +struct rndis_config_parameter_info { + u32 parameter_name_offset; + u32 parameter_name_length; + u32 parameter_type; + u32 parameter_value_offset; + u32 parameter_value_length; +}; + +/* Values for ParameterType in struct rndis_config_parameter_info */ +#define RNDIS_CONFIG_PARAM_TYPE_INTEGER 0 +#define RNDIS_CONFIG_PARAM_TYPE_STRING 2 + +/* CONDIS Miniport messages for connection oriented devices */ +/* that do not implement a call manager. */ + +/* CoNdisMiniportCreateVc message */ +struct rcondis_mp_create_vc { + u32 req_id; + u32 ndis_vc_handle; +}; + +/* Response to CoNdisMiniportCreateVc */ +struct rcondis_mp_create_vc_complete { + u32 req_id; + u32 dev_vc_handle; + u32 status; +}; + +/* CoNdisMiniportDeleteVc message */ +struct rcondis_mp_delete_vc { + u32 req_id; + u32 dev_vc_handle; +}; + +/* Response to CoNdisMiniportDeleteVc */ +struct rcondis_mp_delete_vc_complete { + u32 req_id; + u32 status; +}; + +/* CoNdisMiniportQueryRequest message */ +struct rcondis_mp_query_request { + u32 req_id; + u32 request_type; + u32 oid; + u32 dev_vc_handle; + u32 info_buflen; + u32 info_buf_offset; +}; + +/* CoNdisMiniportSetRequest message */ +struct rcondis_mp_set_request { + u32 req_id; + u32 request_type; + u32 oid; + u32 dev_vc_handle; + u32 info_buflen; + u32 info_buf_offset; +}; + +/* CoNdisIndicateStatus message */ +struct rcondis_indicate_status { + u32 ndis_vc_handle; + u32 status; + u32 status_buflen; + u32 status_buf_offset; +}; + +/* CONDIS Call/VC parameters */ +struct rcondis_specific_parameters { + u32 parameter_type; + u32 parameter_length; + u32 parameter_lffset; +}; + +struct rcondis_media_parameters { + u32 flags; + u32 reserved1; + u32 reserved2; + struct rcondis_specific_parameters media_specific; +}; + +struct rndis_flowspec { + u32 token_rate; + u32 token_bucket_size; + u32 peak_bandwidth; + u32 latency; + u32 delay_variation; + u32 service_type; + u32 max_sdu_size; + u32 minimum_policed_size; +}; + +struct rcondis_call_manager_parameters { + struct rndis_flowspec transmit; + struct rndis_flowspec receive; + struct rcondis_specific_parameters call_mgr_specific; +}; + +/* CoNdisMiniportActivateVc message */ +struct rcondis_mp_activate_vc_request { + u32 req_id; + u32 flags; + u32 dev_vc_handle; + u32 media_params_offset; + u32 media_params_length; + u32 call_mgr_params_offset; + u32 call_mgr_params_length; +}; + +/* Response to CoNdisMiniportActivateVc */ +struct rcondis_mp_activate_vc_complete { + u32 req_id; + u32 status; +}; + +/* CoNdisMiniportDeactivateVc message */ +struct rcondis_mp_deactivate_vc_request { + u32 req_id; + u32 flags; + u32 dev_vc_handle; +}; + +/* Response to CoNdisMiniportDeactivateVc */ +struct rcondis_mp_deactivate_vc_complete { + u32 req_id; + u32 status; +}; + + +/* union with all of the RNDIS messages */ +union rndis_message_container { + struct rndis_packet pkt; + struct rndis_initialize_request init_req; + struct rndis_halt_request halt_req; + struct rndis_query_request query_req; + struct rndis_set_request set_req; + struct rndis_reset_request reset_req; + struct rndis_keepalive_request keep_alive_req; + struct rndis_indicate_status indicate_status; + struct rndis_initialize_complete init_complete; + struct rndis_query_complete query_complete; + struct rndis_set_complete set_complete; + struct rndis_reset_complete reset_complete; + struct rndis_keepalive_complete keep_alive_complete; + struct rcondis_mp_create_vc co_miniport_create_vc; + struct rcondis_mp_delete_vc co_miniport_delete_vc; + struct rcondis_indicate_status co_indicate_status; + struct rcondis_mp_activate_vc_request co_miniport_activate_vc; + struct rcondis_mp_deactivate_vc_request co_miniport_deactivate_vc; + struct rcondis_mp_create_vc_complete co_miniport_create_vc_complete; + struct rcondis_mp_delete_vc_complete co_miniport_delete_vc_complete; + struct rcondis_mp_activate_vc_complete co_miniport_activate_vc_complete; + struct rcondis_mp_deactivate_vc_complete + co_miniport_deactivate_vc_complete; +}; + +/* Remote NDIS message format */ +struct rndis_message { + u32 ndis_msg_type; + + /* Total length of this message, from the beginning */ + /* of the sruct rndis_message, in bytes. */ + u32 msg_len; + + /* Actual message */ + union rndis_message_container msg; +}; + + +/* Handy macros */ + +/* get the size of an RNDIS message. Pass in the message type, */ +/* struct rndis_set_request, struct rndis_packet for example */ +#define RNDIS_MESSAGE_SIZE(msg) \ + (sizeof(msg) + (sizeof(struct rndis_message) - \ + sizeof(union rndis_message_container))) + +/* get pointer to info buffer with message pointer */ +#define MESSAGE_TO_INFO_BUFFER(msg) \ + (((unsigned char *)(msg)) + msg->info_buf_offset) + +/* get pointer to status buffer with message pointer */ +#define MESSAGE_TO_STATUS_BUFFER(msg) \ + (((unsigned char *)(msg)) + msg->status_buf_offset) + +/* get pointer to OOBD buffer with message pointer */ +#define MESSAGE_TO_OOBD_BUFFER(msg) \ + (((unsigned char *)(msg)) + msg->oob_data_offset) + +/* get pointer to data buffer with message pointer */ +#define MESSAGE_TO_DATA_BUFFER(msg) \ + (((unsigned char *)(msg)) + msg->per_pkt_info_offset) + +/* get pointer to contained message from NDIS_MESSAGE pointer */ +#define RNDIS_MESSAGE_PTR_TO_MESSAGE_PTR(rndis_msg) \ + ((void *) &rndis_msg->msg) + +/* get pointer to contained message from NDIS_MESSAGE pointer */ +#define RNDIS_MESSAGE_RAW_PTR_TO_MESSAGE_PTR(rndis_msg) \ + ((void *) rndis_msg) + + +#define __struct_bcount(x) + + + +#define RNDIS_HEADER_SIZE (sizeof(struct rndis_message) - \ + sizeof(union rndis_message_container)) + +#define RNDIS_AND_PPI_SIZE (sizeof(struct rndis_message) + NDIS_ALL_PPI_SIZE) + +#define NDIS_PACKET_TYPE_DIRECTED 0x00000001 +#define NDIS_PACKET_TYPE_MULTICAST 0x00000002 +#define NDIS_PACKET_TYPE_ALL_MULTICAST 0x00000004 +#define NDIS_PACKET_TYPE_BROADCAST 0x00000008 +#define NDIS_PACKET_TYPE_SOURCE_ROUTING 0x00000010 +#define NDIS_PACKET_TYPE_PROMISCUOUS 0x00000020 +#define NDIS_PACKET_TYPE_SMT 0x00000040 +#define NDIS_PACKET_TYPE_ALL_LOCAL 0x00000080 +#define NDIS_PACKET_TYPE_GROUP 0x00000100 +#define NDIS_PACKET_TYPE_ALL_FUNCTIONAL 0x00000200 +#define NDIS_PACKET_TYPE_FUNCTIONAL 0x00000400 +#define NDIS_PACKET_TYPE_MAC_FRAME 0x00000800 + +#define INFO_IPV4 2 +#define INFO_IPV6 4 +#define INFO_TCP 2 +#define INFO_UDP 4 + +#define TRANSPORT_INFO_NOT_IP 0 +#define TRANSPORT_INFO_IPV4_TCP ((INFO_IPV4 << 16) | INFO_TCP) +#define TRANSPORT_INFO_IPV4_UDP ((INFO_IPV4 << 16) | INFO_UDP) +#define TRANSPORT_INFO_IPV6_TCP ((INFO_IPV6 << 16) | INFO_TCP) +#define TRANSPORT_INFO_IPV6_UDP ((INFO_IPV6 << 16) | INFO_UDP) + + +#endif /* _HYPERV_NET_H */ |