/* * 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 2008 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ #ifndef _VNET_COMMON_H #define _VNET_COMMON_H #pragma ident "%Z%%M% %I% %E% SMI" #ifdef __cplusplus extern "C" { #endif #include <sys/vio_common.h> #include <sys/vio_mailbox.h> #include <sys/ethernet.h> /* * This header file contains definitions common to LDoms Virtual Network * server (vsw) and client (vnet). */ /* max # of cookies per frame size */ #define MAX_COOKIES ((ETHERMAX >> MMU_PAGESHIFT) + 2ULL) /* initial send sequence number */ #define VNET_ISS 0x1 #define VNET_2K (1 << 11) #define VNET_IPALIGN 6 /* padding for IP header alignment */ #define VNET_LDCALIGN 8 /* padding for ldc_mem_copy() align */ #define VNET_ROUNDUP_2K(n) (((n) + (VNET_2K - 1)) & ~(VNET_2K - 1)) #define VNET_NUM_HANDSHAKES 6 /* # of handshake attempts */ /* vnet descriptor */ typedef struct vnet_public_desc { vio_dring_entry_hdr_t hdr; /* descriptor header */ uint32_t nbytes; /* data length */ uint32_t ncookies; /* number of data cookies */ ldc_mem_cookie_t memcookie[MAX_COOKIES]; /* data cookies */ } vnet_public_desc_t; /* * Vnet in-band descriptor. Used by those vnet clients * such as OBP who do not use descriptor rings. */ typedef struct vnet_ibnd_desc { vio_inband_desc_msg_hdr_t hdr; /* payload */ uint32_t nbytes; uint32_t ncookies; ldc_mem_cookie_t memcookie[MAX_COOKIES]; } vnet_ibnd_desc_t; /* exported functions */ uint64_t vnet_macaddr_strtoul(const uint8_t *macaddr); void vnet_macaddr_ultostr(uint64_t value, uint8_t *macaddr); mblk_t *vnet_vlan_insert_tag(mblk_t *mp, uint16_t vid); mblk_t *vnet_vlan_remove_tag(mblk_t *mp); int vnet_dring_entry_copy(vnet_public_desc_t *dst, vnet_public_desc_t *src, uint8_t mtype, ldc_dring_handle_t handle, uint64_t start, uint64_t stop); int vnet_dring_entry_set_dstate(vnet_public_desc_t *descp, uint8_t mtype, ldc_dring_handle_t handle, uint64_t start, uint64_t stop, uint8_t dstate); #ifdef __cplusplus } #endif #endif /* _VNET_COMMON_H */