| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Haiyang Zhang | 1899 | 41.10% | 49 | 26.20% |
| K. Y. Srinivasan | 803 | 17.38% | 29 | 15.51% |
| Stephen Hemminger | 734 | 15.88% | 43 | 22.99% |
| Greg Kroah-Hartman | 438 | 9.48% | 20 | 10.70% |
| Hank Janssen | 348 | 7.53% | 3 | 1.60% |
| Andrea Parri | 104 | 2.25% | 2 | 1.07% |
| Vitaly Kuznetsov | 53 | 1.15% | 7 | 3.74% |
| Andres Beltran | 46 | 1.00% | 3 | 1.60% |
| Simon Xiao | 42 | 0.91% | 6 | 3.21% |
| Yidong Ren | 29 | 0.63% | 1 | 0.53% |
| Timo von Holtz | 21 | 0.45% | 1 | 0.53% |
| Lan Tianyu | 20 | 0.43% | 2 | 1.07% |
| Bill Pemberton | 17 | 0.37% | 4 | 2.14% |
| Nicolas Palix | 16 | 0.35% | 2 | 1.07% |
| Dexuan Cui | 10 | 0.22% | 2 | 1.07% |
| Shradha Gupta | 8 | 0.17% | 1 | 0.53% |
| Andrew Schwartzmeyer | 6 | 0.13% | 2 | 1.07% |
| Gaurav Kohli | 5 | 0.11% | 1 | 0.53% |
| Kees Cook | 4 | 0.09% | 1 | 0.53% |
| Sriram Krishnan | 4 | 0.09% | 1 | 0.53% |
| Jakub Kiciński | 3 | 0.06% | 1 | 0.53% |
| Linus Walleij | 3 | 0.06% | 1 | 0.53% |
| Thomas Gleixner | 2 | 0.04% | 1 | 0.53% |
| Alexander Duyck | 2 | 0.04% | 1 | 0.53% |
| Jarod Wilson | 2 | 0.04% | 1 | 0.53% |
| Amos Kong | 1 | 0.02% | 1 | 0.53% |
| Adrian Vladu | 1 | 0.02% | 1 | 0.53% |
| Total | 4621 | 187 |
/* SPDX-License-Identifier: GPL-2.0-only */ /* * * Copyright (c) 2011, Microsoft Corporation. * * 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> #include <linux/jhash.h> #include <net/xdp.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_OBJECT_TYPE_OFFLOAD 0xa7 #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 ITAB_NUM_MAX 256 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 hashkey_offset; u32 processor_masks_offset; u32 num_processor_masks; u32 processor_masks_entry_size; }; 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_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; }; }; /* * Represent netvsc packet which contains 1 RNDIS and 1 ethernet frame * within the RNDIS * * The size of this structure is less than 48 bytes and we can now * place this structure in the skb->cb field. */ struct hv_netvsc_packet { /* Bookkeeping stuff */ u8 cp_partial; /* partial copy into send buffer */ u8 rmsg_size; /* RNDIS header and PPI size */ u8 rmsg_pgcnt; /* page count of RNDIS header and PPI */ u8 page_buf_cnt; u16 q_idx; u16 total_packets; u32 total_bytes; u32 send_buf_index; u32 total_data_buflen; struct hv_dma_range *dma_range; }; #define NETVSC_HASH_KEYLEN 40 struct netvsc_device_info { unsigned char mac_adr[ETH_ALEN]; u32 num_chn; u32 send_sections; u32 recv_sections; u32 send_section_size; u32 recv_section_size; struct bpf_prog *bprog; u8 rss_key[NETVSC_HASH_KEYLEN]; }; enum rndis_device_state { RNDIS_DEV_UNINITIALIZED = 0, RNDIS_DEV_INITIALIZING, RNDIS_DEV_INITIALIZED, RNDIS_DEV_DATAINITIALIZED, }; struct rndis_device { struct net_device *ndev; enum rndis_device_state state; atomic_t new_req_id; spinlock_t request_lock; struct list_head req_list; struct work_struct mcast_work; u32 filter; bool link_state; /* 0 - link up, 1 - link down */ u8 hw_mac_adr[ETH_ALEN]; u8 rss_key[NETVSC_HASH_KEYLEN]; }; /* Interface */ struct rndis_message; struct ndis_offload_params; struct netvsc_device; struct netvsc_channel; struct net_device_context; extern u32 netvsc_ring_bytes; struct netvsc_device *netvsc_device_add(struct hv_device *device, const struct netvsc_device_info *info); int netvsc_alloc_recv_comp_ring(struct netvsc_device *net_device, u32 q_idx); void netvsc_device_remove(struct hv_device *device); int netvsc_send(struct net_device *net, struct hv_netvsc_packet *packet, struct rndis_message *rndis_msg, struct hv_page_buffer *page_buffer, struct sk_buff *skb, bool xdp_tx); void netvsc_linkstatus_callback(struct net_device *net, struct rndis_message *resp, void *data, u32 data_buflen); int netvsc_recv_callback(struct net_device *net, struct netvsc_device *nvdev, struct netvsc_channel *nvchan); void netvsc_channel_cb(void *context); int netvsc_poll(struct napi_struct *napi, int budget); void netvsc_xdp_xmit(struct sk_buff *skb, struct net_device *ndev); u32 netvsc_run_xdp(struct net_device *ndev, struct netvsc_channel *nvchan, struct xdp_buff *xdp); unsigned int netvsc_xdp_fraglen(unsigned int len); struct bpf_prog *netvsc_xdp_get(struct netvsc_device *nvdev); int netvsc_xdp_set(struct net_device *dev, struct bpf_prog *prog, struct netlink_ext_ack *extack, struct netvsc_device *nvdev); int netvsc_vf_setxdp(struct net_device *vf_netdev, struct bpf_prog *prog); int netvsc_bpf(struct net_device *dev, struct netdev_bpf *bpf); int netvsc_ndoxdp_xmit(struct net_device *ndev, int n, struct xdp_frame **frames, u32 flags); int rndis_set_subchannel(struct net_device *ndev, struct netvsc_device *nvdev, struct netvsc_device_info *dev_info); int rndis_filter_open(struct netvsc_device *nvdev); int rndis_filter_close(struct netvsc_device *nvdev); struct netvsc_device *rndis_filter_device_add(struct hv_device *dev, struct netvsc_device_info *info); void rndis_filter_update(struct netvsc_device *nvdev); void rndis_filter_device_remove(struct hv_device *dev, struct netvsc_device *nvdev); int rndis_filter_set_rss_param(struct rndis_device *rdev, const u8 *key); int rndis_filter_set_offload_params(struct net_device *ndev, struct netvsc_device *nvdev, struct ndis_offload_params *req_offloads); int rndis_filter_receive(struct net_device *ndev, struct netvsc_device *net_dev, struct netvsc_channel *nvchan, void *data, u32 buflen); int rndis_filter_set_device_mac(struct netvsc_device *ndev, const char *mac); int netvsc_switch_datapath(struct net_device *nv_dev, bool vf); #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 #define NVSP_PROTOCOL_VERSION_6 0x60000 #define NVSP_PROTOCOL_VERSION_61 0x60001 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, /* Version 6 messages */ NVSP_MSG6_TYPE_PD_API, NVSP_MSG6_TYPE_PD_POST_BATCH, NVSP_MSG6_MAX = NVSP_MSG6_TYPE_PD_POST_BATCH }; 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 RNDIS. 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; u64 teaming:1; u64 vsubnetid:1; u64 rsc: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; struct nvsp_4_send_vf_association { /* 1: allocated, serial number is valid. 0: not allocated */ u32 allocated; /* Serial number of the VF to team with */ u32 serial; } __packed; enum nvsp_vm_datapath { NVSP_DATAPATH_SYNTHETIC = 0, NVSP_DATAPATH_VF, NVSP_DATAPATH_MAX }; struct nvsp_4_sw_datapath { u32 active_datapath; /* active data path in VM */ } __packed; union nvsp_4_message_uber { struct nvsp_4_send_vf_association vf_assoc; struct nvsp_4_sw_datapath active_dp; } __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 indirection table from the beginning of * struct nvsp_message. * 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; enum nvsp_6_pd_api_op { PD_API_OP_CONFIG = 1, PD_API_OP_SW_DATAPATH, /* Switch Datapath */ PD_API_OP_OPEN_PROVIDER, PD_API_OP_CLOSE_PROVIDER, PD_API_OP_CREATE_QUEUE, PD_API_OP_FLUSH_QUEUE, PD_API_OP_FREE_QUEUE, PD_API_OP_ALLOC_COM_BUF, /* Allocate Common Buffer */ PD_API_OP_FREE_COM_BUF, /* Free Common Buffer */ PD_API_OP_MAX }; struct grp_affinity { u64 mask; u16 grp; u16 reserved[3]; } __packed; struct nvsp_6_pd_api_req { u32 op; union { /* MMIO information is sent from the VM to VSP */ struct __packed { u64 mmio_pa; /* MMIO Physical Address */ u32 mmio_len; /* Number of PD queues a VM can support */ u16 num_subchn; } config; /* Switch Datapath */ struct __packed { /* Host Datapath Is PacketDirect */ u8 host_dpath_is_pd; /* Guest PacketDirect Is Enabled */ u8 guest_pd_enabled; } sw_dpath; /* Open Provider*/ struct __packed { u32 prov_id; /* Provider id */ u32 flag; } open_prov; /* Close Provider */ struct __packed { u32 prov_id; } cls_prov; /* Create Queue*/ struct __packed { u32 prov_id; u16 q_id; u16 q_size; u8 is_recv_q; u8 is_rss_q; u32 recv_data_len; struct grp_affinity affy; } cr_q; /* Delete Queue*/ struct __packed { u32 prov_id; u16 q_id; } del_q; /* Flush Queue */ struct __packed { u32 prov_id; u16 q_id; } flush_q; /* Allocate Common Buffer */ struct __packed { u32 len; u32 pf_node; /* Preferred Node */ u16 region_id; } alloc_com_buf; /* Free Common Buffer */ struct __packed { u32 len; u64 pa; /* Physical Address */ u32 pf_node; /* Preferred Node */ u16 region_id; u8 cache_type; } free_com_buf; } __packed; } __packed; struct nvsp_6_pd_api_comp { u32 op; u32 status; union { struct __packed { /* actual number of PD queues allocated to the VM */ u16 num_pd_q; /* Num Receive Rss PD Queues */ u8 num_rss_q; u8 is_supported; /* Is supported by VSP */ u8 is_enabled; /* Is enabled by VSP */ } config; /* Open Provider */ struct __packed { u32 prov_id; } open_prov; /* Create Queue */ struct __packed { u32 prov_id; u16 q_id; u16 q_size; u32 recv_data_len; struct grp_affinity affy; } cr_q; /* Allocate Common Buffer */ struct __packed { u64 pa; /* Physical Address */ u32 len; u32 pf_node; /* Preferred Node */ u16 region_id; u8 cache_type; } alloc_com_buf; } __packed; } __packed; struct nvsp_6_pd_buf { u32 region_offset; u16 region_id; u16 is_partial:1; u16 reserved:15; } __packed; struct nvsp_6_pd_batch_msg { struct nvsp_message_header hdr; u16 count; u16 guest2host:1; u16 is_recv:1; u16 reserved:14; struct nvsp_6_pd_buf pd_buf[0]; } __packed; union nvsp_6_message_uber { struct nvsp_6_pd_api_req pd_req; struct nvsp_6_pd_api_comp pd_comp; } __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_4_message_uber v4_msg; union nvsp_5_message_uber v5_msg; union nvsp_6_message_uber v6_msg; } __packed; /* ALL Messages */ struct nvsp_message { struct nvsp_message_header hdr; union nvsp_all_messages msg; } __packed; #define NETVSC_MTU 65535 #define NETVSC_MTU_MIN ETH_MIN_MTU /* Max buffer sizes allowed by a host */ #define NETVSC_RECEIVE_BUFFER_SIZE (1024 * 1024 * 31) /* 31MB */ #define NETVSC_RECEIVE_BUFFER_SIZE_LEGACY (1024 * 1024 * 15) /* 15MB */ #define NETVSC_RECEIVE_BUFFER_DEFAULT (1024 * 1024 * 16) #define NETVSC_SEND_BUFFER_SIZE (1024 * 1024 * 15) /* 15MB */ #define NETVSC_SEND_BUFFER_DEFAULT (1024 * 1024) #define NETVSC_INVALID_INDEX -1 #define NETVSC_SEND_SECTION_SIZE 6144 #define NETVSC_RECV_SECTION_SIZE 1728 /* Default size of TX buf: 1MB, RX buf: 16MB */ #define NETVSC_MIN_TX_SECTIONS 10 #define NETVSC_DEFAULT_TX (NETVSC_SEND_BUFFER_DEFAULT \ / NETVSC_SEND_SECTION_SIZE) #define NETVSC_MIN_RX_SECTIONS 10 #define NETVSC_DEFAULT_RX (NETVSC_RECEIVE_BUFFER_DEFAULT \ / NETVSC_RECV_SECTION_SIZE) #define NETVSC_RECEIVE_BUFFER_ID 0xcafe #define NETVSC_SEND_BUFFER_ID 0 #define NETVSC_SUPPORTED_HW_FEATURES (NETIF_F_RXCSUM | NETIF_F_IP_CSUM | \ NETIF_F_TSO | NETIF_F_IPV6_CSUM | \ NETIF_F_TSO6 | NETIF_F_LRO | \ NETIF_F_SG | NETIF_F_RXHASH) #define VRSS_SEND_TAB_SIZE 16 /* must be power of 2 */ #define VRSS_CHANNEL_MAX 64 #define VRSS_CHANNEL_DEFAULT 8 #define RNDIS_MAX_PKT_DEFAULT 8 #define RNDIS_PKT_ALIGN_DEFAULT 8 #define NETVSC_XDP_HDRM 256 #define NETVSC_MIN_OUT_MSG_SIZE (sizeof(struct vmpacket_descriptor) + \ sizeof(struct nvsp_message)) #define NETVSC_MIN_IN_MSG_SIZE sizeof(struct vmpacket_descriptor) /* Estimated requestor size: * out_ring_size/min_out_msg_size + in_ring_size/min_in_msg_size */ static inline u32 netvsc_rqstor_size(unsigned long ringbytes) { return ringbytes / NETVSC_MIN_OUT_MSG_SIZE + ringbytes / NETVSC_MIN_IN_MSG_SIZE; } /* XFER PAGE packets can specify a maximum of 375 ranges for NDIS >= 6.0 * and a maximum of 64 ranges for NDIS < 6.0 with no RSC; with RSC, this * limit is raised to 562 (= NVSP_RSC_MAX). */ #define NETVSC_MAX_XFER_PAGE_RANGES NVSP_RSC_MAX #define NETVSC_XFER_HEADER_SIZE(rng_cnt) \ (offsetof(struct vmtransfer_page_packet_header, ranges) + \ (rng_cnt) * sizeof(struct vmtransfer_page_range)) #define NETVSC_MAX_PKT_SIZE (NETVSC_XFER_HEADER_SIZE(NETVSC_MAX_XFER_PAGE_RANGES) + \ sizeof(struct nvsp_message) + (sizeof(u32) * VRSS_SEND_TAB_SIZE)) struct multi_send_data { struct sk_buff *skb; /* skb containing the pkt */ struct hv_netvsc_packet *pkt; /* netvsc pkt pending */ u32 count; /* counter of batched packets */ }; struct recv_comp_data { u64 tid; /* transaction id */ u32 status; }; struct multi_recv_comp { struct recv_comp_data *slots; u32 first; /* first data entry */ u32 next; /* next entry for writing */ }; #define NVSP_RSC_MAX 562 /* Max #RSC frags in a vmbus xfer page pkt */ struct nvsc_rsc { struct ndis_pkt_8021q_info vlan; struct ndis_tcp_ip_checksum_info csum_info; u32 hash_info; u8 ppi_flags; /* valid/present bits for the above PPIs */ u8 is_last; /* last RNDIS msg in a vmtransfer_page */ u32 cnt; /* #fragments in an RSC packet */ u32 pktlen; /* Full packet length */ void *data[NVSP_RSC_MAX]; u32 len[NVSP_RSC_MAX]; }; #define NVSC_RSC_VLAN BIT(0) /* valid/present bit for 'vlan' */ #define NVSC_RSC_CSUM_INFO BIT(1) /* valid/present bit for 'csum_info' */ #define NVSC_RSC_HASH_INFO BIT(2) /* valid/present bit for 'hash_info' */ struct netvsc_stats_tx { u64 packets; u64 bytes; u64 xdp_xmit; struct u64_stats_sync syncp; }; struct netvsc_stats_rx { u64 packets; u64 bytes; u64 broadcast; u64 multicast; u64 xdp_drop; u64 xdp_redirect; u64 xdp_tx; struct u64_stats_sync syncp; }; struct netvsc_ethtool_stats { unsigned long tx_scattered; unsigned long tx_no_memory; unsigned long tx_no_space; unsigned long tx_too_big; unsigned long tx_busy; unsigned long tx_send_full; unsigned long rx_comp_busy; unsigned long rx_no_memory; unsigned long stop_queue; unsigned long wake_queue; unsigned long vlan_error; }; struct netvsc_ethtool_pcpu_stats { u64 rx_packets; u64 rx_bytes; u64 tx_packets; u64 tx_bytes; u64 vf_rx_packets; u64 vf_rx_bytes; u64 vf_tx_packets; u64 vf_tx_bytes; }; struct netvsc_vf_pcpu_stats { u64 rx_packets; u64 rx_bytes; u64 tx_packets; u64 tx_bytes; struct u64_stats_sync syncp; u32 tx_dropped; }; struct netvsc_reconfig { struct list_head list; u32 event; }; /* L4 hash bits for different protocols */ #define HV_TCP4_L4HASH 1 #define HV_TCP6_L4HASH 2 #define HV_UDP4_L4HASH 4 #define HV_UDP6_L4HASH 8 #define HV_DEFAULT_L4HASH (HV_TCP4_L4HASH | HV_TCP6_L4HASH | HV_UDP4_L4HASH | \ HV_UDP6_L4HASH) /* The context of the netvsc device */ struct net_device_context { /* point back to our device context */ struct hv_device *device_ctx; /* netvsc_device */ struct netvsc_device __rcu *nvdev; /* list of netvsc net_devices */ struct list_head list; /* reconfigure work */ struct delayed_work dwork; /* last reconfig time */ unsigned long last_reconfig; /* reconfig events */ struct list_head reconfig_events; /* list protection */ spinlock_t lock; u32 msg_enable; /* debug level */ u32 tx_checksum_mask; u32 tx_table[VRSS_SEND_TAB_SIZE]; u16 *rx_table; u32 rx_table_sz; /* Ethtool settings */ u8 duplex; u32 speed; u32 l4_hash; /* L4 hash settings */ struct netvsc_ethtool_stats eth_stats; /* State to manage the associated VF interface. */ struct net_device __rcu *vf_netdev; struct netvsc_vf_pcpu_stats __percpu *vf_stats; struct delayed_work vf_takeover; /* 1: allocated, serial number is valid. 0: not allocated */ u32 vf_alloc; /* Serial number of the VF to team with */ u32 vf_serial; /* completion variable to confirm vf association */ struct completion vf_add; /* Is the current data path through the VF NIC? */ bool data_path_is_vf; /* Used to temporarily save the config info across hibernation */ struct netvsc_device_info *saved_netvsc_dev_info; }; /* Azure hosts don't support non-TCP port numbers in hashing for fragmented * packets. We can use ethtool to change UDP hash level when necessary. */ static inline u32 netvsc_get_hash(struct sk_buff *skb, const struct net_device_context *ndc) { struct flow_keys flow; u32 hash, pkt_proto = 0; static u32 hashrnd __read_mostly; net_get_random_once(&hashrnd, sizeof(hashrnd)); if (!skb_flow_dissect_flow_keys(skb, &flow, 0)) return 0; switch (flow.basic.ip_proto) { case IPPROTO_TCP: if (flow.basic.n_proto == htons(ETH_P_IP)) pkt_proto = HV_TCP4_L4HASH; else if (flow.basic.n_proto == htons(ETH_P_IPV6)) pkt_proto = HV_TCP6_L4HASH; break; case IPPROTO_UDP: if (flow.basic.n_proto == htons(ETH_P_IP)) pkt_proto = HV_UDP4_L4HASH; else if (flow.basic.n_proto == htons(ETH_P_IPV6)) pkt_proto = HV_UDP6_L4HASH; break; } if (pkt_proto & ndc->l4_hash) { return skb_get_hash(skb); } else { if (flow.basic.n_proto == htons(ETH_P_IP)) hash = jhash2((u32 *)&flow.addrs.v4addrs, 2, hashrnd); else if (flow.basic.n_proto == htons(ETH_P_IPV6)) hash = jhash2((u32 *)&flow.addrs.v6addrs, 8, hashrnd); else return 0; __skb_set_sw_hash(skb, hash, false); } return hash; } /* Per channel data */ struct netvsc_channel { struct vmbus_channel *channel; struct netvsc_device *net_device; void *recv_buf; /* buffer to copy packets out from the receive buffer */ const struct vmpacket_descriptor *desc; struct napi_struct napi; struct multi_send_data msd; struct multi_recv_comp mrc; atomic_t queue_sends; struct nvsc_rsc rsc; struct bpf_prog __rcu *bpf_prog; struct xdp_rxq_info xdp_rxq; bool xdp_flush; struct netvsc_stats_tx tx_stats; struct netvsc_stats_rx rx_stats; }; /* Per netvsc device */ struct netvsc_device { u32 nvsp_version; wait_queue_head_t wait_drain; bool destroy; bool tx_disable; /* if true, do not wake up queue again */ /* Receive buffer allocated by us but manages by NetVSP */ void *recv_buf; u32 recv_buf_size; /* allocated bytes */ struct vmbus_gpadl recv_buf_gpadl_handle; u32 recv_section_cnt; u32 recv_section_size; u32 recv_completion_cnt; /* Send buffer allocated by us */ void *send_buf; u32 send_buf_size; struct vmbus_gpadl send_buf_gpadl_handle; u32 send_section_cnt; u32 send_section_size; unsigned long *send_section_map; /* Used for NetVSP initialization protocol */ struct completion channel_init_wait; struct nvsp_message channel_init_pkt; struct nvsp_message revoke_packet; u32 max_chn; u32 num_chn; atomic_t open_chn; struct work_struct subchan_work; wait_queue_head_t subchan_open; struct rndis_device *extension; u32 max_pkt; /* max number of pkt in one send, e.g. 8 */ u32 pkt_align; /* alignment bytes, e.g. 8 */ struct netvsc_channel chan_table[VRSS_CHANNEL_MAX]; struct rcu_head rcu; }; /* 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; u8 info_buf[]; }; /* 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:31; u32 internal:1; 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 }; enum rndis_per_pkt_info_interal_type { RNDIS_PKTINFO_ID = 1, /* Add more members here */ RNDIS_PKTINFO_MAX }; #define RNDIS_PKTINFO_SUBALLOC BIT(0) #define RNDIS_PKTINFO_1ST_FRAG BIT(1) #define RNDIS_PKTINFO_LAST_FRAG BIT(2) #define RNDIS_PKTINFO_ID_V1 1 struct rndis_pktinfo_id { u8 ver; u8 flag; u16 pkt_id; }; struct ndis_object_header { u8 type; u8 revision; u16 size; }; #define NDIS_OBJECT_TYPE_DEFAULT 0x80 #define NDIS_OFFLOAD_PARAMETERS_REVISION_3 3 #define NDIS_OFFLOAD_PARAMETERS_REVISION_2 2 #define NDIS_OFFLOAD_PARAMETERS_REVISION_1 1 #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 */ /* * OID_TCP_OFFLOAD_HARDWARE_CAPABILITIES * ndis_type: NDIS_OBJTYPE_OFFLOAD */ #define NDIS_OFFLOAD_ENCAP_NONE 0x0000 #define NDIS_OFFLOAD_ENCAP_NULL 0x0001 #define NDIS_OFFLOAD_ENCAP_8023 0x0002 #define NDIS_OFFLOAD_ENCAP_8023PQ 0x0004 #define NDIS_OFFLOAD_ENCAP_8023PQ_OOB 0x0008 #define NDIS_OFFLOAD_ENCAP_RFC1483 0x0010 struct ndis_csum_offload { u32 ip4_txenc; u32 ip4_txcsum; #define NDIS_TXCSUM_CAP_IP4OPT 0x001 #define NDIS_TXCSUM_CAP_TCP4OPT 0x004 #define NDIS_TXCSUM_CAP_TCP4 0x010 #define NDIS_TXCSUM_CAP_UDP4 0x040 #define NDIS_TXCSUM_CAP_IP4 0x100 #define NDIS_TXCSUM_ALL_TCP4 (NDIS_TXCSUM_CAP_TCP4 | NDIS_TXCSUM_CAP_TCP4OPT) u32 ip4_rxenc; u32 ip4_rxcsum; #define NDIS_RXCSUM_CAP_IP4OPT 0x001 #define NDIS_RXCSUM_CAP_TCP4OPT 0x004 #define NDIS_RXCSUM_CAP_TCP4 0x010 #define NDIS_RXCSUM_CAP_UDP4 0x040 #define NDIS_RXCSUM_CAP_IP4 0x100 u32 ip6_txenc; u32 ip6_txcsum; #define NDIS_TXCSUM_CAP_IP6EXT 0x001 #define NDIS_TXCSUM_CAP_TCP6OPT 0x004 #define NDIS_TXCSUM_CAP_TCP6 0x010 #define NDIS_TXCSUM_CAP_UDP6 0x040 u32 ip6_rxenc; u32 ip6_rxcsum; #define NDIS_RXCSUM_CAP_IP6EXT 0x001 #define NDIS_RXCSUM_CAP_TCP6OPT 0x004 #define NDIS_RXCSUM_CAP_TCP6 0x010 #define NDIS_RXCSUM_CAP_UDP6 0x040 #define NDIS_TXCSUM_ALL_TCP6 (NDIS_TXCSUM_CAP_TCP6 | \ NDIS_TXCSUM_CAP_TCP6OPT | \ NDIS_TXCSUM_CAP_IP6EXT) }; struct ndis_lsov1_offload { u32 encap; u32 maxsize; u32 minsegs; u32 opts; }; struct ndis_ipsecv1_offload { u32 encap; u32 ah_esp; u32 xport_tun; u32 ip4_opts; u32 flags; u32 ip4_ah; u32 ip4_esp; }; struct ndis_lsov2_offload { u32 ip4_encap; u32 ip4_maxsz; u32 ip4_minsg; u32 ip6_encap; u32 ip6_maxsz; u32 ip6_minsg; u32 ip6_opts; #define NDIS_LSOV2_CAP_IP6EXT 0x001 #define NDIS_LSOV2_CAP_TCP6OPT 0x004 #define NDIS_LSOV2_CAP_IP6 (NDIS_LSOV2_CAP_IP6EXT | \ NDIS_LSOV2_CAP_TCP6OPT) }; struct ndis_ipsecv2_offload { u32 encap; u8 ip6; u8 ip4opt; u8 ip6ext; u8 ah; u8 esp; u8 ah_esp; u8 xport; u8 tun; u8 xport_tun; u8 lso; u8 extseq; u32 udp_esp; u32 auth; u32 crypto; u32 sa_caps; }; struct ndis_rsc_offload { u8 ip4; u8 ip6; }; struct ndis_encap_offload { u32 flags; u32 maxhdr; }; struct ndis_offload { struct ndis_object_header header; struct ndis_csum_offload csum; struct ndis_lsov1_offload lsov1; struct ndis_ipsecv1_offload ipsecv1; struct ndis_lsov2_offload lsov2; u32 flags; /* NDIS >= 6.1 */ struct ndis_ipsecv2_offload ipsecv2; /* NDIS >= 6.30 */ struct ndis_rsc_offload rsc; struct ndis_encap_offload encap_gre; }; #define NDIS_OFFLOAD_SIZE sizeof(struct ndis_offload) #define NDIS_OFFLOAD_SIZE_6_0 offsetof(struct ndis_offload, ipsecv2) #define NDIS_OFFLOAD_SIZE_6_1 offsetof(struct ndis_offload, rsc) struct ndis_offload_params { struct ndis_object_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_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 struct 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))) #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 TRANSPORT_INFO_NOT_IP 0 #define TRANSPORT_INFO_IPV4_TCP 0x01 #define TRANSPORT_INFO_IPV4_UDP 0x02 #define TRANSPORT_INFO_IPV6_TCP 0x10 #define TRANSPORT_INFO_IPV6_UDP 0x20 #define RETRY_US_LO 5000 #define RETRY_US_HI 10000 #define RETRY_MAX 2000 /* >10 sec */ void netvsc_dma_unmap(struct hv_device *hv_dev, struct hv_netvsc_packet *packet); #endif /* _HYPERV_NET_H */
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