121e98e697
MFC after: 1 week Sponsored by: Microsoft Differential Revision: https://reviews.freebsd.org/D8313
283 lines
7.0 KiB
C
283 lines
7.0 KiB
C
/*-
|
|
* Copyright (c) 2009-2012,2016 Microsoft Corp.
|
|
* Copyright (c) 2010-2012 Citrix Inc.
|
|
* Copyright (c) 2012 NetApp Inc.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice unmodified, this list of conditions, and the following
|
|
* disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
/*
|
|
* HyperV vmbus (virtual machine bus) network VSC (virtual services client)
|
|
* header file
|
|
*
|
|
* (Updated from unencumbered NvspProtocol.h)
|
|
*/
|
|
|
|
#ifndef __HV_NET_VSC_H__
|
|
#define __HV_NET_VSC_H__
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/kernel.h>
|
|
#include <sys/lock.h>
|
|
#include <sys/malloc.h>
|
|
#include <sys/queue.h>
|
|
#include <sys/taskqueue.h>
|
|
#include <sys/sema.h>
|
|
#include <sys/sx.h>
|
|
|
|
#include <machine/bus.h>
|
|
#include <sys/bus.h>
|
|
#include <sys/bus_dma.h>
|
|
|
|
#include <netinet/in.h>
|
|
#include <netinet/tcp_lro.h>
|
|
|
|
#include <net/ethernet.h>
|
|
#include <net/if.h>
|
|
#include <net/if_media.h>
|
|
|
|
#include <dev/hyperv/include/hyperv.h>
|
|
#include <dev/hyperv/include/hyperv_busdma.h>
|
|
#include <dev/hyperv/include/vmbus.h>
|
|
|
|
#include <dev/hyperv/netvsc/ndis.h>
|
|
|
|
#define HN_USE_TXDESC_BUFRING
|
|
|
|
MALLOC_DECLARE(M_NETVSC);
|
|
|
|
/*
|
|
* The following arguably belongs in a separate header file
|
|
*/
|
|
|
|
/*
|
|
* Defines
|
|
*/
|
|
|
|
#define NETVSC_SEND_BUFFER_SIZE (1024*1024*15) /* 15M */
|
|
|
|
#define NETVSC_RECEIVE_BUFFER_SIZE_LEGACY (1024*1024*15) /* 15MB */
|
|
#define NETVSC_RECEIVE_BUFFER_SIZE (1024*1024*16) /* 16MB */
|
|
|
|
/*
|
|
* Maximum MTU we permit to be configured for a netvsc interface.
|
|
* When the code was developed, a max MTU of 12232 was tested and
|
|
* proven to work. 9K is a reasonable maximum for an Ethernet.
|
|
*/
|
|
#define NETVSC_MAX_CONFIGURABLE_MTU (9 * 1024)
|
|
|
|
#define NETVSC_PACKET_SIZE PAGE_SIZE
|
|
|
|
/*
|
|
* Data types
|
|
*/
|
|
|
|
struct vmbus_channel;
|
|
|
|
#define NETVSC_DEVICE_RING_BUFFER_SIZE (128 * PAGE_SIZE)
|
|
#define NETVSC_PACKET_MAXPAGE 32
|
|
|
|
#define HN_XACT_REQ_PGCNT 2
|
|
#define HN_XACT_RESP_PGCNT 2
|
|
#define HN_XACT_REQ_SIZE (HN_XACT_REQ_PGCNT * PAGE_SIZE)
|
|
#define HN_XACT_RESP_SIZE (HN_XACT_RESP_PGCNT * PAGE_SIZE)
|
|
|
|
struct hn_txdesc;
|
|
#ifndef HN_USE_TXDESC_BUFRING
|
|
SLIST_HEAD(hn_txdesc_list, hn_txdesc);
|
|
#else
|
|
struct buf_ring;
|
|
#endif
|
|
|
|
struct hn_tx_ring;
|
|
|
|
struct hn_rx_ring {
|
|
struct ifnet *hn_ifp;
|
|
struct hn_tx_ring *hn_txr;
|
|
void *hn_rdbuf;
|
|
uint8_t *hn_rxbuf; /* shadow sc->hn_rxbuf */
|
|
int hn_rx_idx;
|
|
|
|
/* Trust csum verification on host side */
|
|
int hn_trust_hcsum; /* HN_TRUST_HCSUM_ */
|
|
struct lro_ctrl hn_lro;
|
|
|
|
u_long hn_csum_ip;
|
|
u_long hn_csum_tcp;
|
|
u_long hn_csum_udp;
|
|
u_long hn_csum_trusted;
|
|
u_long hn_lro_tried;
|
|
u_long hn_small_pkts;
|
|
u_long hn_pkts;
|
|
u_long hn_rss_pkts;
|
|
|
|
/* Rarely used stuffs */
|
|
struct sysctl_oid *hn_rx_sysctl_tree;
|
|
int hn_rx_flags;
|
|
|
|
void *hn_br; /* TX/RX bufring */
|
|
struct hyperv_dma hn_br_dma;
|
|
} __aligned(CACHE_LINE_SIZE);
|
|
|
|
#define HN_TRUST_HCSUM_IP 0x0001
|
|
#define HN_TRUST_HCSUM_TCP 0x0002
|
|
#define HN_TRUST_HCSUM_UDP 0x0004
|
|
|
|
#define HN_RX_FLAG_ATTACHED 0x1
|
|
|
|
struct hn_tx_ring {
|
|
#ifndef HN_USE_TXDESC_BUFRING
|
|
struct mtx hn_txlist_spin;
|
|
struct hn_txdesc_list hn_txlist;
|
|
#else
|
|
struct buf_ring *hn_txdesc_br;
|
|
#endif
|
|
int hn_txdesc_cnt;
|
|
int hn_txdesc_avail;
|
|
u_short hn_has_txeof;
|
|
u_short hn_txdone_cnt;
|
|
|
|
int hn_sched_tx;
|
|
void (*hn_txeof)(struct hn_tx_ring *);
|
|
struct taskqueue *hn_tx_taskq;
|
|
struct task hn_tx_task;
|
|
struct task hn_txeof_task;
|
|
|
|
struct buf_ring *hn_mbuf_br;
|
|
int hn_oactive;
|
|
int hn_tx_idx;
|
|
int hn_tx_flags;
|
|
|
|
struct mtx hn_tx_lock;
|
|
struct hn_softc *hn_sc;
|
|
struct vmbus_channel *hn_chan;
|
|
|
|
int hn_direct_tx_size;
|
|
int hn_chim_size;
|
|
bus_dma_tag_t hn_tx_data_dtag;
|
|
uint64_t hn_csum_assist;
|
|
|
|
int (*hn_sendpkt)(struct hn_tx_ring *, struct hn_txdesc *);
|
|
int hn_suspended;
|
|
int hn_gpa_cnt;
|
|
struct vmbus_gpa hn_gpa[NETVSC_PACKET_MAXPAGE];
|
|
|
|
u_long hn_no_txdescs;
|
|
u_long hn_send_failed;
|
|
u_long hn_txdma_failed;
|
|
u_long hn_tx_collapsed;
|
|
u_long hn_tx_chimney_tried;
|
|
u_long hn_tx_chimney;
|
|
u_long hn_pkts;
|
|
|
|
/* Rarely used stuffs */
|
|
struct hn_txdesc *hn_txdesc;
|
|
bus_dma_tag_t hn_tx_rndis_dtag;
|
|
struct sysctl_oid *hn_tx_sysctl_tree;
|
|
} __aligned(CACHE_LINE_SIZE);
|
|
|
|
#define HN_TX_FLAG_ATTACHED 0x1
|
|
#define HN_TX_FLAG_HASHVAL 0x2 /* support HASHVAL pktinfo */
|
|
|
|
/*
|
|
* Device-specific softc structure
|
|
*/
|
|
struct hn_softc {
|
|
struct ifnet *hn_ifp;
|
|
struct ifmedia hn_media;
|
|
device_t hn_dev;
|
|
int hn_if_flags;
|
|
struct sx hn_lock;
|
|
struct vmbus_channel *hn_prichan;
|
|
|
|
int hn_rx_ring_cnt;
|
|
int hn_rx_ring_inuse;
|
|
struct hn_rx_ring *hn_rx_ring;
|
|
|
|
int hn_tx_ring_cnt;
|
|
int hn_tx_ring_inuse;
|
|
struct hn_tx_ring *hn_tx_ring;
|
|
|
|
uint8_t *hn_chim;
|
|
u_long *hn_chim_bmap;
|
|
int hn_chim_bmap_cnt;
|
|
int hn_chim_cnt;
|
|
int hn_chim_szmax;
|
|
|
|
int hn_cpu;
|
|
struct taskqueue *hn_tx_taskq;
|
|
struct sysctl_oid *hn_tx_sysctl_tree;
|
|
struct sysctl_oid *hn_rx_sysctl_tree;
|
|
struct vmbus_xact_ctx *hn_xact;
|
|
uint32_t hn_nvs_ver;
|
|
uint32_t hn_rx_filter;
|
|
|
|
struct taskqueue *hn_mgmt_taskq;
|
|
struct taskqueue *hn_mgmt_taskq0;
|
|
struct task hn_link_task;
|
|
struct task hn_netchg_init;
|
|
struct timeout_task hn_netchg_status;
|
|
uint32_t hn_link_flags; /* HN_LINK_FLAG_ */
|
|
|
|
uint32_t hn_caps; /* HN_CAP_ */
|
|
uint32_t hn_flags; /* HN_FLAG_ */
|
|
void *hn_rxbuf;
|
|
uint32_t hn_rxbuf_gpadl;
|
|
struct hyperv_dma hn_rxbuf_dma;
|
|
|
|
uint32_t hn_chim_gpadl;
|
|
struct hyperv_dma hn_chim_dma;
|
|
|
|
uint32_t hn_rndis_rid;
|
|
uint32_t hn_ndis_ver;
|
|
int hn_ndis_tso_szmax;
|
|
int hn_ndis_tso_sgmin;
|
|
|
|
struct ndis_rssprm_toeplitz hn_rss;
|
|
};
|
|
|
|
#define HN_FLAG_RXBUF_CONNECTED 0x0001
|
|
#define HN_FLAG_CHIM_CONNECTED 0x0002
|
|
#define HN_FLAG_HAS_RSSKEY 0x0004
|
|
#define HN_FLAG_HAS_RSSIND 0x0008
|
|
#define HN_FLAG_SYNTH_ATTACHED 0x0010
|
|
|
|
#define HN_CAP_VLAN 0x0001
|
|
#define HN_CAP_MTU 0x0002
|
|
#define HN_CAP_IPCS 0x0004
|
|
#define HN_CAP_TCP4CS 0x0008
|
|
#define HN_CAP_TCP6CS 0x0010
|
|
#define HN_CAP_UDP4CS 0x0020
|
|
#define HN_CAP_UDP6CS 0x0040
|
|
#define HN_CAP_TSO4 0x0080
|
|
#define HN_CAP_TSO6 0x0100
|
|
#define HN_CAP_HASHVAL 0x0200
|
|
|
|
#define HN_LINK_FLAG_LINKUP 0x0001
|
|
#define HN_LINK_FLAG_NETCHG 0x0002
|
|
|
|
#endif /* __HV_NET_VSC_H__ */
|
|
|