1804 lines
44 KiB
C
1804 lines
44 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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*
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* Copyright (c) 2011, Microsoft Corporation.
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*
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* Authors:
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* Haiyang Zhang <haiyangz@microsoft.com>
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* Hank Janssen <hjanssen@microsoft.com>
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* K. Y. Srinivasan <kys@microsoft.com>
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*/
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#ifndef _HYPERV_NET_H
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#define _HYPERV_NET_H
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#include <linux/list.h>
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#include <linux/hyperv.h>
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#include <linux/rndis.h>
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#include <linux/jhash.h>
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/* RSS related */
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#define OID_GEN_RECEIVE_SCALE_CAPABILITIES 0x00010203 /* query only */
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#define OID_GEN_RECEIVE_SCALE_PARAMETERS 0x00010204 /* query and set */
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#define NDIS_OBJECT_TYPE_RSS_CAPABILITIES 0x88
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#define NDIS_OBJECT_TYPE_RSS_PARAMETERS 0x89
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#define NDIS_OBJECT_TYPE_OFFLOAD 0xa7
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#define NDIS_RECEIVE_SCALE_CAPABILITIES_REVISION_2 2
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#define NDIS_RECEIVE_SCALE_PARAMETERS_REVISION_2 2
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struct ndis_obj_header {
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u8 type;
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u8 rev;
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u16 size;
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} __packed;
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/* ndis_recv_scale_cap/cap_flag */
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#define NDIS_RSS_CAPS_MESSAGE_SIGNALED_INTERRUPTS 0x01000000
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#define NDIS_RSS_CAPS_CLASSIFICATION_AT_ISR 0x02000000
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#define NDIS_RSS_CAPS_CLASSIFICATION_AT_DPC 0x04000000
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#define NDIS_RSS_CAPS_USING_MSI_X 0x08000000
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#define NDIS_RSS_CAPS_RSS_AVAILABLE_ON_PORTS 0x10000000
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#define NDIS_RSS_CAPS_SUPPORTS_MSI_X 0x20000000
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#define NDIS_RSS_CAPS_HASH_TYPE_TCP_IPV4 0x00000100
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#define NDIS_RSS_CAPS_HASH_TYPE_TCP_IPV6 0x00000200
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#define NDIS_RSS_CAPS_HASH_TYPE_TCP_IPV6_EX 0x00000400
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struct ndis_recv_scale_cap { /* NDIS_RECEIVE_SCALE_CAPABILITIES */
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struct ndis_obj_header hdr;
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u32 cap_flag;
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u32 num_int_msg;
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u32 num_recv_que;
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u16 num_indirect_tabent;
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} __packed;
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/* ndis_recv_scale_param flags */
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#define NDIS_RSS_PARAM_FLAG_BASE_CPU_UNCHANGED 0x0001
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#define NDIS_RSS_PARAM_FLAG_HASH_INFO_UNCHANGED 0x0002
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#define NDIS_RSS_PARAM_FLAG_ITABLE_UNCHANGED 0x0004
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#define NDIS_RSS_PARAM_FLAG_HASH_KEY_UNCHANGED 0x0008
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#define NDIS_RSS_PARAM_FLAG_DISABLE_RSS 0x0010
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/* Hash info bits */
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#define NDIS_HASH_FUNC_TOEPLITZ 0x00000001
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#define NDIS_HASH_IPV4 0x00000100
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#define NDIS_HASH_TCP_IPV4 0x00000200
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#define NDIS_HASH_IPV6 0x00000400
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#define NDIS_HASH_IPV6_EX 0x00000800
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#define NDIS_HASH_TCP_IPV6 0x00001000
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#define NDIS_HASH_TCP_IPV6_EX 0x00002000
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#define NDIS_RSS_INDIRECTION_TABLE_MAX_SIZE_REVISION_2 (128 * 4)
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#define NDIS_RSS_HASH_SECRET_KEY_MAX_SIZE_REVISION_2 40
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#define ITAB_NUM 128
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struct ndis_recv_scale_param { /* NDIS_RECEIVE_SCALE_PARAMETERS */
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struct ndis_obj_header hdr;
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/* Qualifies the rest of the information */
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u16 flag;
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/* The base CPU number to do receive processing. not used */
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u16 base_cpu_number;
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/* This describes the hash function and type being enabled */
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u32 hashinfo;
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/* The size of indirection table array */
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u16 indirect_tabsize;
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/* The offset of the indirection table from the beginning of this
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* structure
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*/
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u32 indirect_taboffset;
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/* The size of the hash secret key */
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u16 hashkey_size;
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/* The offset of the secret key from the beginning of this structure */
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u32 hashkey_offset;
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u32 processor_masks_offset;
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u32 num_processor_masks;
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u32 processor_masks_entry_size;
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};
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struct ndis_tcp_ip_checksum_info {
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union {
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struct {
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u32 is_ipv4:1;
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u32 is_ipv6:1;
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u32 tcp_checksum:1;
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u32 udp_checksum:1;
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u32 ip_header_checksum:1;
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u32 reserved:11;
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u32 tcp_header_offset:10;
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} transmit;
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struct {
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u32 tcp_checksum_failed:1;
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u32 udp_checksum_failed:1;
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u32 ip_checksum_failed:1;
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u32 tcp_checksum_succeeded:1;
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u32 udp_checksum_succeeded:1;
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u32 ip_checksum_succeeded:1;
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u32 loopback:1;
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u32 tcp_checksum_value_invalid:1;
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u32 ip_checksum_value_invalid:1;
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} receive;
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u32 value;
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};
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};
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struct ndis_pkt_8021q_info {
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union {
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struct {
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u32 pri:3; /* User Priority */
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u32 cfi:1; /* Canonical Format ID */
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u32 vlanid:12; /* VLAN ID */
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u32 reserved:16;
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};
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u32 value;
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};
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};
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/*
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* Represent netvsc packet which contains 1 RNDIS and 1 ethernet frame
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* within the RNDIS
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*
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* The size of this structure is less than 48 bytes and we can now
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* place this structure in the skb->cb field.
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*/
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struct hv_netvsc_packet {
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/* Bookkeeping stuff */
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u8 cp_partial; /* partial copy into send buffer */
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u8 rmsg_size; /* RNDIS header and PPI size */
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u8 rmsg_pgcnt; /* page count of RNDIS header and PPI */
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u8 page_buf_cnt;
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u16 q_idx;
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u16 total_packets;
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u32 total_bytes;
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u32 send_buf_index;
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u32 total_data_buflen;
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struct hv_dma_range *dma_range;
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};
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#define NETVSC_HASH_KEYLEN 40
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struct netvsc_device_info {
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unsigned char mac_adr[ETH_ALEN];
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u32 num_chn;
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u32 send_sections;
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u32 recv_sections;
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u32 send_section_size;
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u32 recv_section_size;
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struct bpf_prog *bprog;
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u8 rss_key[NETVSC_HASH_KEYLEN];
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};
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enum rndis_device_state {
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RNDIS_DEV_UNINITIALIZED = 0,
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RNDIS_DEV_INITIALIZING,
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RNDIS_DEV_INITIALIZED,
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RNDIS_DEV_DATAINITIALIZED,
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};
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struct rndis_device {
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struct net_device *ndev;
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enum rndis_device_state state;
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atomic_t new_req_id;
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spinlock_t request_lock;
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struct list_head req_list;
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struct work_struct mcast_work;
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u32 filter;
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bool link_state; /* 0 - link up, 1 - link down */
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u8 hw_mac_adr[ETH_ALEN];
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u8 rss_key[NETVSC_HASH_KEYLEN];
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};
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/* Interface */
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struct rndis_message;
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struct ndis_offload_params;
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struct netvsc_device;
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struct netvsc_channel;
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struct net_device_context;
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extern u32 netvsc_ring_bytes;
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struct netvsc_device *netvsc_device_add(struct hv_device *device,
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const struct netvsc_device_info *info);
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int netvsc_alloc_recv_comp_ring(struct netvsc_device *net_device, u32 q_idx);
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void netvsc_device_remove(struct hv_device *device);
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int netvsc_send(struct net_device *net,
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struct hv_netvsc_packet *packet,
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struct rndis_message *rndis_msg,
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struct hv_page_buffer *page_buffer,
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struct sk_buff *skb,
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bool xdp_tx);
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void netvsc_linkstatus_callback(struct net_device *net,
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struct rndis_message *resp,
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void *data, u32 data_buflen);
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int netvsc_recv_callback(struct net_device *net,
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struct netvsc_device *nvdev,
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struct netvsc_channel *nvchan);
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void netvsc_channel_cb(void *context);
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int netvsc_poll(struct napi_struct *napi, int budget);
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void netvsc_xdp_xmit(struct sk_buff *skb, struct net_device *ndev);
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u32 netvsc_run_xdp(struct net_device *ndev, struct netvsc_channel *nvchan,
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struct xdp_buff *xdp);
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unsigned int netvsc_xdp_fraglen(unsigned int len);
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struct bpf_prog *netvsc_xdp_get(struct netvsc_device *nvdev);
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int netvsc_xdp_set(struct net_device *dev, struct bpf_prog *prog,
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struct netlink_ext_ack *extack,
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struct netvsc_device *nvdev);
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int netvsc_vf_setxdp(struct net_device *vf_netdev, struct bpf_prog *prog);
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int netvsc_bpf(struct net_device *dev, struct netdev_bpf *bpf);
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int netvsc_ndoxdp_xmit(struct net_device *ndev, int n,
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struct xdp_frame **frames, u32 flags);
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int rndis_set_subchannel(struct net_device *ndev,
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struct netvsc_device *nvdev,
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struct netvsc_device_info *dev_info);
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int rndis_filter_open(struct netvsc_device *nvdev);
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int rndis_filter_close(struct netvsc_device *nvdev);
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struct netvsc_device *rndis_filter_device_add(struct hv_device *dev,
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struct netvsc_device_info *info);
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void rndis_filter_update(struct netvsc_device *nvdev);
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void rndis_filter_device_remove(struct hv_device *dev,
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struct netvsc_device *nvdev);
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int rndis_filter_set_rss_param(struct rndis_device *rdev,
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const u8 *key);
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int rndis_filter_set_offload_params(struct net_device *ndev,
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struct netvsc_device *nvdev,
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struct ndis_offload_params *req_offloads);
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int rndis_filter_receive(struct net_device *ndev,
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struct netvsc_device *net_dev,
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struct netvsc_channel *nvchan,
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void *data, u32 buflen);
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int rndis_filter_set_device_mac(struct netvsc_device *ndev,
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const char *mac);
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int netvsc_switch_datapath(struct net_device *nv_dev, bool vf);
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#define NVSP_INVALID_PROTOCOL_VERSION ((u32)0xFFFFFFFF)
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#define NVSP_PROTOCOL_VERSION_1 2
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#define NVSP_PROTOCOL_VERSION_2 0x30002
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#define NVSP_PROTOCOL_VERSION_4 0x40000
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#define NVSP_PROTOCOL_VERSION_5 0x50000
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#define NVSP_PROTOCOL_VERSION_6 0x60000
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#define NVSP_PROTOCOL_VERSION_61 0x60001
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enum {
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NVSP_MSG_TYPE_NONE = 0,
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/* Init Messages */
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NVSP_MSG_TYPE_INIT = 1,
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NVSP_MSG_TYPE_INIT_COMPLETE = 2,
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NVSP_VERSION_MSG_START = 100,
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/* Version 1 Messages */
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NVSP_MSG1_TYPE_SEND_NDIS_VER = NVSP_VERSION_MSG_START,
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NVSP_MSG1_TYPE_SEND_RECV_BUF,
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NVSP_MSG1_TYPE_SEND_RECV_BUF_COMPLETE,
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NVSP_MSG1_TYPE_REVOKE_RECV_BUF,
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NVSP_MSG1_TYPE_SEND_SEND_BUF,
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NVSP_MSG1_TYPE_SEND_SEND_BUF_COMPLETE,
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NVSP_MSG1_TYPE_REVOKE_SEND_BUF,
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NVSP_MSG1_TYPE_SEND_RNDIS_PKT,
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NVSP_MSG1_TYPE_SEND_RNDIS_PKT_COMPLETE,
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/* Version 2 messages */
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NVSP_MSG2_TYPE_SEND_CHIMNEY_DELEGATED_BUF,
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NVSP_MSG2_TYPE_SEND_CHIMNEY_DELEGATED_BUF_COMP,
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NVSP_MSG2_TYPE_REVOKE_CHIMNEY_DELEGATED_BUF,
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NVSP_MSG2_TYPE_RESUME_CHIMNEY_RX_INDICATION,
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NVSP_MSG2_TYPE_TERMINATE_CHIMNEY,
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NVSP_MSG2_TYPE_TERMINATE_CHIMNEY_COMP,
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NVSP_MSG2_TYPE_INDICATE_CHIMNEY_EVENT,
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NVSP_MSG2_TYPE_SEND_CHIMNEY_PKT,
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NVSP_MSG2_TYPE_SEND_CHIMNEY_PKT_COMP,
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NVSP_MSG2_TYPE_POST_CHIMNEY_RECV_REQ,
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NVSP_MSG2_TYPE_POST_CHIMNEY_RECV_REQ_COMP,
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NVSP_MSG2_TYPE_ALLOC_RXBUF,
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NVSP_MSG2_TYPE_ALLOC_RXBUF_COMP,
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NVSP_MSG2_TYPE_FREE_RXBUF,
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NVSP_MSG2_TYPE_SEND_VMQ_RNDIS_PKT,
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NVSP_MSG2_TYPE_SEND_VMQ_RNDIS_PKT_COMP,
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NVSP_MSG2_TYPE_SEND_NDIS_CONFIG,
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NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE,
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NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE_COMP,
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NVSP_MSG2_MAX = NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE_COMP,
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/* Version 4 messages */
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NVSP_MSG4_TYPE_SEND_VF_ASSOCIATION,
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NVSP_MSG4_TYPE_SWITCH_DATA_PATH,
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NVSP_MSG4_TYPE_UPLINK_CONNECT_STATE_DEPRECATED,
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NVSP_MSG4_MAX = NVSP_MSG4_TYPE_UPLINK_CONNECT_STATE_DEPRECATED,
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/* Version 5 messages */
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NVSP_MSG5_TYPE_OID_QUERY_EX,
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NVSP_MSG5_TYPE_OID_QUERY_EX_COMP,
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NVSP_MSG5_TYPE_SUBCHANNEL,
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NVSP_MSG5_TYPE_SEND_INDIRECTION_TABLE,
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NVSP_MSG5_MAX = NVSP_MSG5_TYPE_SEND_INDIRECTION_TABLE,
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/* Version 6 messages */
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NVSP_MSG6_TYPE_PD_API,
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NVSP_MSG6_TYPE_PD_POST_BATCH,
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NVSP_MSG6_MAX = NVSP_MSG6_TYPE_PD_POST_BATCH
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};
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enum {
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NVSP_STAT_NONE = 0,
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NVSP_STAT_SUCCESS,
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NVSP_STAT_FAIL,
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NVSP_STAT_PROTOCOL_TOO_NEW,
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NVSP_STAT_PROTOCOL_TOO_OLD,
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NVSP_STAT_INVALID_RNDIS_PKT,
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NVSP_STAT_BUSY,
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NVSP_STAT_PROTOCOL_UNSUPPORTED,
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NVSP_STAT_MAX,
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};
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struct nvsp_message_header {
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u32 msg_type;
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};
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/* Init Messages */
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/*
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* This message is used by the VSC to initialize the channel after the channels
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* has been opened. This message should never include anything other then
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* versioning (i.e. this message will be the same for ever).
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*/
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struct nvsp_message_init {
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u32 min_protocol_ver;
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u32 max_protocol_ver;
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} __packed;
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/*
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* This message is used by the VSP to complete the initialization of the
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* channel. This message should never include anything other then versioning
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* (i.e. this message will be the same for ever).
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*/
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struct nvsp_message_init_complete {
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u32 negotiated_protocol_ver;
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u32 max_mdl_chain_len;
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u32 status;
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} __packed;
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union nvsp_message_init_uber {
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struct nvsp_message_init init;
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struct nvsp_message_init_complete init_complete;
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} __packed;
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/* Version 1 Messages */
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/*
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* This message is used by the VSC to send the NDIS version to the VSP. The VSP
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* can use this information when handling OIDs sent by the VSC.
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*/
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struct nvsp_1_message_send_ndis_version {
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u32 ndis_major_ver;
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u32 ndis_minor_ver;
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} __packed;
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/*
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* This message is used by the VSC to send a receive buffer to the VSP. The VSP
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* can then use the receive buffer to send data to the VSC.
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*/
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struct nvsp_1_message_send_receive_buffer {
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u32 gpadl_handle;
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u16 id;
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} __packed;
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struct nvsp_1_receive_buffer_section {
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u32 offset;
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u32 sub_alloc_size;
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u32 num_sub_allocs;
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u32 end_offset;
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} __packed;
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/*
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* This message is used by the VSP to acknowledge a receive buffer send by the
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* VSC. This message must be sent by the VSP before the VSP uses the receive
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* buffer.
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*/
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struct nvsp_1_message_send_receive_buffer_complete {
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u32 status;
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u32 num_sections;
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/*
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* The receive buffer is split into two parts, a large suballocation
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* section and a small suballocation section. These sections are then
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* suballocated by a certain size.
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*/
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/*
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* For example, the following break up of the receive buffer has 6
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* large suballocations and 10 small suballocations.
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*/
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/*
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* | Large Section | | Small Section |
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* ------------------------------------------------------------
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* | | | | | | | | | | | | | | | | | |
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* | |
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* LargeOffset SmallOffset
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*/
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struct nvsp_1_receive_buffer_section sections[1];
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} __packed;
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/*
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* This message is sent by the VSC to revoke the receive buffer. After the VSP
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* completes this transaction, the vsp should never use the receive buffer
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* again.
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*/
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struct nvsp_1_message_revoke_receive_buffer {
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u16 id;
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};
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/*
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* This message is used by the VSC to send a send buffer to the VSP. The VSC
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* can then use the send buffer to send data to the VSP.
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*/
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struct nvsp_1_message_send_send_buffer {
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u32 gpadl_handle;
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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[ITAB_NUM];
|
|
|
|
/* 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;
|
|
void *recv_original_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;
|
|
void *send_original_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 */
|