VBoxNetAdp-solaris.c revision 3fa78bc85ec3388c0600fb4470002b1b45deda11
/* $Id$ */
/** @file
* VBoxNetAdapter - Network Adapter Driver (Host), Solaris Specific Code.
*/
/*
* Copyright (C) 2009-2012 Oracle Corporation
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* you can redistribute it and/or modify it under the terms of the GNU
* General Public License (GPL) as published by the Free Software
* Foundation, in version 2 as it comes in the "COPYING" file of the
* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
*
* The contents of this file may alternatively be used under the terms
* of the Common Development and Distribution License Version 1.0
* (CDDL) only, as it comes in the "COPYING.CDDL" file of the
* VirtualBox OSE distribution, in which case the provisions of the
* CDDL are applicable instead of those of the GPL.
*
* You may elect to license modified versions of this file under the
* terms and conditions of either the GPL or the CDDL or both.
*/
/*******************************************************************************
* Header Files *
*******************************************************************************/
#define LOG_GROUP LOG_GROUP_NET_ADP_DRV
#ifdef DEBUG_ramshankar
# define LOG_ENABLED
# define LOG_INSTANCE RTLogRelDefaultInstance()
#endif
#include <VBox/log.h>
#include <VBox/err.h>
#include <VBox/version.h>
#include <iprt/assert.h>
#include <iprt/semaphore.h>
#include <iprt/initterm.h>
#include <iprt/assert.h>
#include <iprt/mem.h>
#include <iprt/rand.h>
#include <sys/types.h>
#include <sys/dlpi.h>
#include <sys/types.h>
#include <sys/param.h>
#include <sys/stat.h>
#include <sys/stream.h>
#include <sys/stropts.h>
#include <sys/strsun.h>
#include <sys/modctl.h>
#include <sys/ddi.h>
#include <sys/sunddi.h>
#include <sys/sunldi.h>
#include <sys/gld.h>
#include "../VBoxNetAdpInternal.h"
/*******************************************************************************
* Defined Constants And Macros *
*******************************************************************************/
#define DEVICE_NAME "vboxnet"
/** The module descriptions as seen in 'modinfo'. */
#define DEVICE_DESC_DRV "VirtualBox NetAdp"
/*******************************************************************************
* Internal Functions *
*******************************************************************************/
static int VBoxNetAdpSolarisAttach(dev_info_t *pDip, ddi_attach_cmd_t enmCmd);
static int VBoxNetAdpSolarisDetach(dev_info_t *pDip, ddi_detach_cmd_t enmCmd);
/**
* Streams: module info.
*/
static struct module_info g_VBoxNetAdpSolarisModInfo =
{
0x0dd, /* module id */
DEVICE_NAME,
0, /* min. packet size */
INFPSZ, /* max. packet size */
0, /* hi-water mark */
0 /* lo-water mark */
};
/**
* Streams: read queue hooks.
*/
static struct qinit g_VBoxNetAdpSolarisReadQ =
{
NULL, /* read */
gld_rsrv,
gld_open,
gld_close,
NULL, /* admin (reserved) */
&g_VBoxNetAdpSolarisModInfo,
NULL /* module stats */
};
/**
* Streams: write queue hooks.
*/
static struct qinit g_VBoxNetAdpSolarisWriteQ =
{
gld_wput,
gld_wsrv,
NULL, /* open */
NULL, /* close */
NULL, /* admin (reserved) */
&g_VBoxNetAdpSolarisModInfo,
NULL /* module stats */
};
/**
* Streams: IO stream tab.
*/
static struct streamtab g_VBoxNetAdpSolarisStreamTab =
{
&g_VBoxNetAdpSolarisReadQ,
&g_VBoxNetAdpSolarisWriteQ,
NULL, /* muxread init */
NULL /* muxwrite init */
};
/**
* cb_ops: driver char/block entry points
*/
static struct cb_ops g_VBoxNetAdpSolarisCbOps =
{
nulldev, /* cb open */
nulldev, /* cb close */
nodev, /* b strategy */
nodev, /* b dump */
nodev, /* b print */
nodev, /* cb read */
nodev, /* cb write */
nodev, /* cb ioctl */
nodev, /* c devmap */
nodev, /* c mmap */
nodev, /* c segmap */
nochpoll, /* c poll */
ddi_prop_op, /* property ops */
&g_VBoxNetAdpSolarisStreamTab,
D_MP, /* compat. flag */
CB_REV /* revision */
};
/**
* dev_ops: driver entry/exit and other ops.
*/
static struct dev_ops g_VBoxNetAdpSolarisDevOps =
{
DEVO_REV, /* driver build revision */
0, /* ref count */
gld_getinfo,
nulldev, /* identify */
nulldev, /* probe */
VBoxNetAdpSolarisAttach,
VBoxNetAdpSolarisDetach,
nodev, /* reset */
&g_VBoxNetAdpSolarisCbOps,
(struct bus_ops *)0,
nodev, /* power */
ddi_quiesce_not_needed
};
/**
* modldrv: export driver specifics to kernel
*/
static struct modldrv g_VBoxNetAdpSolarisDriver =
{
&mod_driverops, /* extern from kernel */
DEVICE_DESC_DRV " " VBOX_VERSION_STRING "r" RT_XSTR(VBOX_SVN_REV),
&g_VBoxNetAdpSolarisDevOps
};
/**
* modlinkage: export install/remove/info to the kernel
*/
static struct modlinkage g_VBoxNetAdpSolarisModLinkage =
{
MODREV_1, /* loadable module system revision */
{
&g_VBoxNetAdpSolarisDriver, /* adapter streams driver framework */
NULL /* terminate array of linkage structures */
}
};
/*******************************************************************************
* Global Variables *
*******************************************************************************/
/** The default ethernet broadcast address */
static uchar_t achBroadcastAddr[] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
/**
* vboxnetadp_state_t: per-instance data
*/
typedef struct vboxnetadp_state_t
{
dev_info_t *pDip; /* device info. */
RTMAC FactoryMac; /* default 'factory' MAC address */
RTMAC CurrentMac; /* current MAC address */
} vboxnetadp_state_t;
/*******************************************************************************
* Internal Functions *
*******************************************************************************/
static int vboxNetAdpSolarisGenerateMac(PRTMAC pMac);
static int vboxNetAdpSolarisSetMacAddress(gld_mac_info_t *pMacInfo, unsigned char *pszMacAddr);
static int vboxNetAdpSolarisSend(gld_mac_info_t *pMacInfo, mblk_t *pMsg);
static int vboxNetAdpSolarisStub(gld_mac_info_t *pMacInfo);
static int vboxNetAdpSolarisSetPromisc(gld_mac_info_t *pMacInfo, int fPromisc);
static int vboxNetAdpSolarisSetMulticast(gld_mac_info_t *pMacInfo, unsigned char *pMulticastAddr, int fMulticast);
static int vboxNetAdpSolarisGetStats(gld_mac_info_t *pMacInfo, struct gld_stats *pStats);
/**
* Kernel entry points
*/
int _init(void)
{
LogFunc((DEVICE_NAME ":_init\n"));
/*
* Prevent module autounloading.
*/
modctl_t *pModCtl = mod_getctl(&g_VBoxNetAdpSolarisModLinkage);
if (pModCtl)
pModCtl->mod_loadflags |= MOD_NOAUTOUNLOAD;
else
LogRel((DEVICE_NAME ":failed to disable autounloading!\n"));
/*
* Initialize IPRT.
*/
int rc = RTR0Init(0);
if (RT_SUCCESS(rc))
{
rc = mod_install(&g_VBoxNetAdpSolarisModLinkage);
if (!rc)
return rc;
LogRel((DEVICE_NAME ":mod_install failed. rc=%d\n", rc));
RTR0Term();
}
else
LogRel((DEVICE_NAME ":failed to initialize IPRT (rc=%d)\n", rc));
return RTErrConvertToErrno(rc);
}
int _fini(void)
{
LogFunc((DEVICE_NAME ":_fini\n"));
/*
* Undo the work done during start (in reverse order).
*/
RTR0Term();
return mod_remove(&g_VBoxNetAdpSolarisModLinkage);
}
int _info(struct modinfo *pModInfo)
{
LogFunc((DEVICE_NAME ":_info\n"));
int rc = mod_info(&g_VBoxNetAdpSolarisModLinkage, pModInfo);
Log((DEVICE_NAME ":_info returns %d\n", rc));
return rc;
}
/**
* Attach entry point, to attach a device to the system or resume it.
*
* @param pDip The module structure instance.
* @param enmCmd Operation type (attach/resume).
*
* @returns corresponding solaris error code.
*/
static int VBoxNetAdpSolarisAttach(dev_info_t *pDip, ddi_attach_cmd_t enmCmd)
{
LogFunc((DEVICE_NAME ":VBoxNetAdpSolarisAttach pDip=%p enmCmd=%d\n", pDip, enmCmd));
int rc = -1;
switch (enmCmd)
{
case DDI_ATTACH:
{
gld_mac_info_t *pMacInfo = gld_mac_alloc(pDip);
if (pMacInfo)
{
vboxnetadp_state_t *pState = RTMemAllocZ(sizeof(vboxnetadp_state_t));
if (pState)
{
pState->pDip = pDip;
/*
* Setup GLD MAC layer registration info.
*/
pMacInfo->gldm_reset = vboxNetAdpSolarisStub;
pMacInfo->gldm_start = vboxNetAdpSolarisStub;
pMacInfo->gldm_stop = vboxNetAdpSolarisStub;
pMacInfo->gldm_set_mac_addr = vboxNetAdpSolarisSetMacAddress;
pMacInfo->gldm_set_multicast = vboxNetAdpSolarisSetMulticast;
pMacInfo->gldm_set_promiscuous = vboxNetAdpSolarisSetPromisc;
pMacInfo->gldm_send = vboxNetAdpSolarisSend;
pMacInfo->gldm_intr = NULL;
pMacInfo->gldm_get_stats = vboxNetAdpSolarisGetStats;
pMacInfo->gldm_ioctl = NULL;
pMacInfo->gldm_ident = DEVICE_NAME;
pMacInfo->gldm_type = DL_ETHER;
pMacInfo->gldm_minpkt = 0;
pMacInfo->gldm_maxpkt = VBOXNETADP_MTU;
pMacInfo->gldm_capabilities = GLD_CAP_LINKSTATE;
AssertCompile(sizeof(RTMAC) == ETHERADDRL);
pMacInfo->gldm_addrlen = ETHERADDRL;
pMacInfo->gldm_saplen = -2;
pMacInfo->gldm_broadcast_addr = achBroadcastAddr;
pMacInfo->gldm_ppa = ddi_get_instance(pState->pDip);
pMacInfo->gldm_devinfo = pState->pDip;
pMacInfo->gldm_private = (caddr_t)pState;
/*
* We use a semi-random MAC addresses similar to a guest NIC's MAC address
* as the default factory address of the interface.
*/
rc = vboxNetAdpSolarisGenerateMac(&pState->FactoryMac);
if (RT_SUCCESS(rc))
{
bcopy(&pState->FactoryMac, &pState->CurrentMac, sizeof(RTMAC));
pMacInfo->gldm_vendor_addr = (unsigned char *)&pState->FactoryMac;
/*
* Now try registering our GLD with the MAC layer.
* Registration can fail on some S10 versions when the MTU size is more than 1500.
* When we implement jumbo frames we should probably retry with MTU 1500 for S10.
*/
rc = gld_register(pDip, (char *)ddi_driver_name(pDip), pMacInfo);
if (rc == DDI_SUCCESS)
{
ddi_report_dev(pDip);
gld_linkstate(pMacInfo, GLD_LINKSTATE_UP);
return DDI_SUCCESS;
}
else
LogRel((DEVICE_NAME ":VBoxNetAdpSolarisAttach failed to register GLD. rc=%d\n", rc));
}
else
LogRel((DEVICE_NAME ":VBoxNetAdpSolarisAttach failed to generate mac address.rc=%d\n"));
RTMemFree(pState);
}
else
LogRel((DEVICE_NAME ":VBoxNetAdpSolarisAttach failed to alloc state.\n"));
gld_mac_free(pMacInfo);
}
else
LogRel((DEVICE_NAME ":VBoxNetAdpSolarisAttach failed to alloc mac structure.\n"));
return DDI_FAILURE;
}
case DDI_RESUME:
{
/* Nothing to do here... */
return DDI_SUCCESS;
}
/* case DDI_PM_RESUME: */
default:
return DDI_FAILURE;
}
}
/**
* Detach entry point, to detach a device to the system or suspend it.
*
* @param pDip The module structure instance.
* @param enmCmd Operation type (detach/suspend).
*
* @returns corresponding solaris error code.
*/
static int VBoxNetAdpSolarisDetach(dev_info_t *pDip, ddi_detach_cmd_t enmCmd)
{
LogFunc((DEVICE_NAME ":VBoxNetAdpSolarisDetach pDip=%p enmCmd=%d\n", pDip, enmCmd));
switch (enmCmd)
{
case DDI_DETACH:
{
/*
* Unregister and clean up.
*/
gld_mac_info_t *pMacInfo = ddi_get_driver_private(pDip);
if (pMacInfo)
{
vboxnetadp_state_t *pState = (vboxnetadp_state_t *)pMacInfo->gldm_private;
if (pState)
{
gld_linkstate(pMacInfo, GLD_LINKSTATE_DOWN);
int rc = gld_unregister(pMacInfo);
if (rc == DDI_SUCCESS)
{
gld_mac_free(pMacInfo);
RTMemFree(pState);
return DDI_SUCCESS;
}
else
LogRel((DEVICE_NAME ":VBoxNetAdpSolarisDetach failed to unregister GLD from MAC layer.rc=%d\n", rc));
}
else
LogRel((DEVICE_NAME ":VBoxNetAdpSolarisDetach failed to get internal state.\n"));
}
else
LogRel((DEVICE_NAME ":VBoxNetAdpSolarisDetach failed to get driver private GLD data.\n"));
return DDI_FAILURE;
}
case DDI_RESUME:
{
/* Nothing to do here... */
return DDI_SUCCESS;
}
/* case DDI_SUSPEND: */
/* case DDI_HOTPLUG_DETACH: */
default:
return DDI_FAILURE;
}
}
static int vboxNetAdpSolarisGenerateMac(PRTMAC pMac)
{
pMac->au8[0] = 0x08;
pMac->au8[1] = 0x00;
pMac->au8[2] = 0x27;
RTRandBytes(&pMac->au8[3], 3);
Log((DEVICE_NAME ":VBoxNetAdpSolarisGenerateMac Generated %.*Rhxs\n", sizeof(RTMAC), &pMac));
return VINF_SUCCESS;
}
static int vboxNetAdpSolarisSetMacAddress(gld_mac_info_t *pMacInfo, unsigned char *pszMacAddr)
{
vboxnetadp_state_t *pState = (vboxnetadp_state_t *)pMacInfo->gldm_private;
if (pState)
{
bcopy(pszMacAddr, &pState->CurrentMac, sizeof(RTMAC));
Log((DEVICE_NAME ":vboxNetAdpSolarisSetMacAddress updated MAC %.*Rhxs\n", sizeof(RTMAC), &pState->CurrentMac));
return GLD_SUCCESS;
}
else
LogRel((DEVICE_NAME ":vboxNetAdpSolarisSetMacAddress failed to get internal state.\n"));
return GLD_FAILURE;
}
static int vboxNetAdpSolarisSend(gld_mac_info_t *pMacInfo, mblk_t *pMsg)
{
while (pMsg)
{
mblk_t *pMsgNext = pMsg->b_cont;
pMsg->b_cont = NULL;
freemsg(pMsg);
pMsg = pMsgNext;
}
return GLD_SUCCESS;
}
static int vboxNetAdpSolarisStub(gld_mac_info_t *pMacInfo)
{
return GLD_SUCCESS;
}
static int vboxNetAdpSolarisSetMulticast(gld_mac_info_t *pMacInfo, unsigned char *pMulticastAddr, int fMulticast)
{
return GLD_SUCCESS;
}
static int vboxNetAdpSolarisSetPromisc(gld_mac_info_t *pMacInfo, int fPromisc)
{
/* Host requesting promiscuous intnet connection... */
return GLD_SUCCESS;
}
static int vboxNetAdpSolarisGetStats(gld_mac_info_t *pMacInfo, struct gld_stats *pStats)
{
/*
* For now fake up stats. Stats like duplex and speed are better set as they
* are used in utilities like dladm. Link state capabilities are critical
* as they are used by ipadm while trying to restore persistent interface configs.
*/
vboxnetadp_state_t *pState = (vboxnetadp_state_t *)pMacInfo->gldm_private;
if (pState)
{
pStats->glds_speed = 1000000000ULL; /* Bits/sec. */
pStats->glds_media = GLDM_UNKNOWN; /* Media/Connector Type */
pStats->glds_intr = 0; /* Interrupt count */
pStats->glds_norcvbuf = 0; /* Recv. discards */
pStats->glds_errxmt = 0; /* Xmit errors */
pStats->glds_errrcv = 0; /* Recv. errors */
pStats->glds_missed = 0; /* Pkt Drops on Recv. */
pStats->glds_underflow = 0; /* Buffer underflows */
pStats->glds_overflow = 0; /* Buffer overflows */
/* Ether */
pStats->glds_frame = 0; /* Align errors */
pStats->glds_crc = 0; /* CRC errors */
pStats->glds_duplex = GLD_DUPLEX_FULL; /* Link duplex state */
pStats->glds_nocarrier = 0; /* Carrier sense errors */
pStats->glds_collisions = 0; /* Xmit Collisions */
pStats->glds_excoll = 0; /* Frame discard due to excess collisions */
pStats->glds_xmtlatecoll = 0; /* Late collisions */
pStats->glds_defer = 0; /* Deferred Xmits */
pStats->glds_dot3_first_coll = 0; /* Single collision frames */
pStats->glds_dot3_multi_coll = 0; /* Multiple collision frames */
pStats->glds_dot3_sqe_error = 0; /* SQE errors */
pStats->glds_dot3_mac_xmt_error = 0; /* MAC Xmit errors */
pStats->glds_dot3_mac_rcv_error = 0; /* Mac Recv. errors */
pStats->glds_dot3_frame_too_long = 0; /* Frame too long errors */
pStats->glds_short = 0; /* Runt frames */
pStats->glds_noxmtbuf = 0; /* Xmit Buf errors */
pStats->glds_xmtretry = 0; /* Xmit retries */
pStats->glds_multixmt = 0; /* Multicast Xmits */
pStats->glds_multircv = 0; /* Multicast Recvs. */
pStats->glds_brdcstxmt = 0; /* Broadcast Xmits*/
pStats->glds_brdcstrcv = 0; /* Broadcast Recvs. */
return GLD_SUCCESS;
}
else
LogRel((DEVICE_NAME ":vboxNetAdpSolarisGetStats failed to get internal state.\n"));
return GLD_FAILURE;
}