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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2010 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _SYS_VNET_MAILBOX_H
#define _SYS_VNET_MAILBOX_H
#ifdef __cplusplus
extern "C" {
#endif
#include <sys/vio_mailbox.h>
#include <sys/dds.h>
#include <sys/ethernet.h>
/*
* VNET specific Control envelopes: 0x0100 - 0x01FF
* type == VIO_TYPE_CTRL
* subtype == VIO_SUBTYPE_{INFO|ACK|NACK}
*/
#define VNET_MCAST_INFO 0x0101
#define VNET_DDS_INFO 0x0102
#define VNET_PHYSLINK_INFO 0x0103 /* Physical Link Information */
/*
* Vnet/Vswitch device attributes information message.
*
* tag.msgtype == VIO_TYPE_CTRL
* tag.submsgtype = VIO_SUBTYPE_{INFO|ACK|NACK}
* tag.subtype_env == VIO_ATTR_INFO
*/
/* Value for 'addr_type' in vnet attribute message */
#define ADDR_TYPE_MAC 0x1
/*
* Physical link property updates to be negotiated as part of attribute message
* exchange, in protocol versions >= 1.5. This is only valid between a vnet
* client and the corresponding vswitch service; and not between peer vnets. A
* vnet device could negotiate with vswitch to obtain updates about certain
* physical link properties. Only 'physical link status' updates are supported
* for now. A vnet device that desires to get physical link status updates,
* sets the appropriate bit(s) in its ATTR/INFO message to the vswitch; the
* vswitch sets the relevant ack/nack bits in its response message. Whenever
* there is a change in the physical link props for which the vnet device has
* negotiated, vswitch updates it by sending a message with updated values
* of the relevant physical link properties (see vnet_physlink_msg_t below).
*/
enum {
PHYSLINK_UPDATE_NONE = 0,
PHYSLINK_UPDATE_STATE = 0x1,
PHYSLINK_UPDATE_STATE_ACK = 0x2,
PHYSLINK_UPDATE_STATE_NACK = 0x3
};
#define PHYSLINK_UPDATE_STATE_MASK 0x3
typedef struct vnet_attr_msg {
/* Common tag */
vio_msg_tag_t tag;
/* attributes specific payload */
uint8_t xfer_mode; /* data transfer mode */
uint8_t addr_type; /* device address type */
uint16_t ack_freq; /* ack after rcving # of pkts */
uint8_t physlink_update; /* physlink updates(s)? */
uint8_t options; /* options - dring mode */
uint16_t resv2; /* reserved */
uint64_t addr; /* device address */
uint64_t mtu; /* maximum data xfer unit */
/* padding to align things */
uint64_t resv3[3];
} vnet_attr_msg_t;
/*
* Vnet/Vswitch enable/disable multicast address msg
*
* tag.msgtype == VIO_TYPE_CTRL
* tag.subtype == VIO_SUBTYPE_{INFO|ACK|NACK}
* tag.subtype_env == VNET_MCAST_INFO
*/
#define VNET_NUM_MCAST 7 /* max # of multicast addresses in the msg */
typedef struct vnet_mcast_msg {
/* Common tag */
vio_msg_tag_t tag;
/* multicast address information */
uint8_t set; /* add if set to 1, else remove */
uint8_t count; /* number of addrs in the msg */
struct ether_addr mca[VNET_NUM_MCAST]; /* mcast addrs */
uint32_t resv1; /* padding */
} vnet_mcast_msg_t;
/*
* Values of the various physical link properties. We
* support only 'link state' property updates for now.
*/
enum {
VNET_PHYSLINK_STATE_DOWN = 0x1,
VNET_PHYSLINK_STATE_UP = 0x2,
VNET_PHYSLINK_STATE_UNKNOWN = 0x3
};
#define VNET_PHYSLINK_STATE_MASK 0x3
/*
* Vnet/Vswitch physical link info message.
* We only support link state information for now.
*
* tag.msgtype == VIO_TYPE_CTRL
* tag.subtype == VIO_SUBTYPE_{INFO|ACK|NACK}
* tag.subtype_env == VNET_PHYSLINK_INFO
*/
typedef struct vnet_physlink_msg {
/* Common tag */
vio_msg_tag_t tag;
/* physical link information */
uint32_t physlink_info;
/* padding to align things */
uint32_t resv1;
uint64_t resv2[5];
} vnet_physlink_msg_t;
#ifdef __cplusplus
}
#endif
#endif /* _SYS_VNET_MAILBOX_H */
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