/* $Id: VBoxNetFltBow-solaris.c $ */ /** @file * VBoxNetFlt - Network Filter Driver (Host), Solaris Specific Code. */ /* * Copyright (C) 2008-2019 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_FLT_DRV #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define VBOXNETFLT_OS_SPECFIC 1 #include "../VBoxNetFltInternal.h" /********************************************************************************************************************************* * Defined Constants And Macros * *********************************************************************************************************************************/ /** The module name. */ #define DEVICE_NAME "vboxbow" /** The module descriptions as seen in 'modinfo'. */ #define DEVICE_DESC_DRV "VirtualBox NetBow" /** The dynamically created VNIC name (hardcoded in NetIf-solaris.cpp). * @todo move this define into a common header. */ #define VBOXBOW_VNIC_NAME "vboxvnic" /** The VirtualBox VNIC template name (hardcoded in NetIf-solaris.cpp). * @todo move this define into a common header. */ #define VBOXBOW_VNIC_TEMPLATE_NAME "vboxvnic_template" /** Debugging switch for using symbols in kmdb */ # define LOCAL static /** VBOXNETFLTVNIC::u32Magic */ # define VBOXNETFLTVNIC_MAGIC 0x0ddfaced /** VLAN tag masking, should probably be in IPRT? */ #define VLAN_ID(vlan) (((vlan) >> 0) & 0x0fffu) #define VLAN_CFI(vlan) (((vlan) >> 12) & 0x0001u) #define VLAN_PRI(vlan) (((vlan) >> 13) & 0x0007u) #define VLAN_TAG(pri,cfi,vid) (((pri) << 13) | ((cfi) << 12) | ((vid) << 0)) typedef struct VLANHEADER { uint16_t Type; uint16_t Data; } VLANHEADER; typedef struct VLANHEADER *PVLANHEADER; /* Private: from sys/vlan.h */ #ifndef VLAN_ID_NONE # define VLAN_ID_NONE 0 #endif /* Private: from sys/param.h */ #ifndef MAXLINKNAMESPECIFIER # define MAXLINKNAMESPECIFIER 96 /* MAXLINKNAMELEN + ZONENAME_MAX */ #endif /* Private: from sys/mac_client_priv.h, mac client function prototypes. */ extern uint16_t mac_client_vid(mac_client_handle_t hClient); extern void mac_client_get_resources(mac_client_handle_t hClient, mac_resource_props_t *pResources); extern int mac_client_set_resources(mac_client_handle_t hClient, mac_resource_props_t *pResources); /********************************************************************************************************************************* * Kernel Entry Hooks * *********************************************************************************************************************************/ LOCAL int VBoxNetFltSolarisAttach(dev_info_t *pDip, ddi_attach_cmd_t enmCmd); LOCAL int VBoxNetFltSolarisDetach(dev_info_t *pDip, ddi_detach_cmd_t enmCmd); LOCAL int VBoxNetFltSolarisGetInfo(dev_info_t *pDip, ddi_info_cmd_t enmCmd, void *pArg, void **ppvResult); /********************************************************************************************************************************* * Structures and Typedefs * *********************************************************************************************************************************/ /** * cb_ops: for drivers that support char/block entry points */ static struct cb_ops g_VBoxNetFltSolarisCbOps = { nulldev, /* c open */ nulldev, /* c close */ nodev, /* b strategy */ nodev, /* b dump */ nodev, /* b print */ nodev, /* c read */ nodev, /* c write*/ nodev, /* c ioctl*/ nodev, /* c devmap */ nodev, /* c mmap */ nodev, /* c segmap */ nochpoll, /* c poll */ ddi_prop_op, /* property ops */ NULL, /* streamtab */ D_NEW | D_MP, /* compat. flag */ CB_REV, /* revision */ nodev, /* c aread */ nodev /* c awrite */ }; /** * dev_ops: for driver device operations */ static struct dev_ops g_VBoxNetFltSolarisDevOps = { DEVO_REV, /* driver build revision */ 0, /* ref count */ VBoxNetFltSolarisGetInfo, nulldev, /* identify */ nulldev, /* probe */ VBoxNetFltSolarisAttach, VBoxNetFltSolarisDetach, nodev, /* reset */ &g_VBoxNetFltSolarisCbOps, NULL, /* bus ops */ nodev, /* power */ ddi_quiesce_not_needed }; /** * modldrv: export driver specifics to the kernel */ static struct modldrv g_VBoxNetFltSolarisModule = { &mod_driverops, /* extern from kernel */ DEVICE_DESC_DRV " " VBOX_VERSION_STRING "r" RT_XSTR(VBOX_SVN_REV), &g_VBoxNetFltSolarisDevOps }; /** * modlinkage: export install/remove/info to the kernel */ static struct modlinkage g_VBoxNetFltSolarisModLinkage = { MODREV_1, { &g_VBoxNetFltSolarisModule, NULL, } }; /* * VBOXNETFLTVNICTEMPLATE: VNIC template information. */ typedef struct VBOXNETFLTVNICTEMPLATE { /** The name of link on which the VNIC template is created on. */ char szLinkName[MAXNAMELEN]; /** The VLAN Id (can be VLAN_ID_NONE). */ uint16_t uVLANId; /** Resources (bandwidth, CPU bindings, flow priority etc.) */ mac_resource_props_t Resources; } VBOXNETFLTVNICTEMPLATE; typedef struct VBOXNETFLTVNICTEMPLATE *PVBOXNETFLTVNICTEMPLATE; /** * VBOXNETFLTVNIC: Per-VNIC instance data. */ typedef struct VBOXNETFLTVNIC { /** Magic number (VBOXNETFLTVNIC_MAGIC). */ uint32_t u32Magic; /** Whether we created the VNIC or not. */ bool fCreated; /** Pointer to the VNIC template if any. */ PVBOXNETFLTVNICTEMPLATE pVNICTemplate; /** Pointer to the VirtualBox interface instance. */ void *pvIf; /** The MAC handle. */ mac_handle_t hInterface; /** The VNIC link ID. */ datalink_id_t hLinkId; /** The MAC client handle */ mac_client_handle_t hClient; /** The unicast address handle. */ mac_unicast_handle_t hUnicast; /** The promiscuous handle. */ mac_promisc_handle_t hPromisc; /* The VNIC name. */ char szName[MAXLINKNAMESPECIFIER]; /** Handle to the next VNIC in the list. */ list_node_t hNode; } VBOXNETFLTVNIC; typedef struct VBOXNETFLTVNIC *PVBOXNETFLTVNIC; /********************************************************************************************************************************* * Global Variables * *********************************************************************************************************************************/ /** Global Device handle we only support one instance. */ static dev_info_t *g_pVBoxNetFltSolarisDip = NULL; /** The (common) global data. */ static VBOXNETFLTGLOBALS g_VBoxNetFltSolarisGlobals; /** Global next-free VNIC Id (never decrements). */ static volatile uint64_t g_VBoxNetFltSolarisVNICId; /********************************************************************************************************************************* * Internal Functions * *********************************************************************************************************************************/ LOCAL mblk_t *vboxNetFltSolarisMBlkFromSG(PVBOXNETFLTINS pThis, PINTNETSG pSG, uint32_t fDst); LOCAL unsigned vboxNetFltSolarisMBlkCalcSGSegs(PVBOXNETFLTINS pThis, mblk_t *pMsg); LOCAL int vboxNetFltSolarisMBlkToSG(PVBOXNETFLTINS pThis, mblk_t *pMsg, PINTNETSG pSG, unsigned cSegs, uint32_t fSrc); LOCAL void vboxNetFltSolarisRecv(void *pvData, mac_resource_handle_t hResource, mblk_t *pMsg, boolean_t fLoopback); //LOCAL void vboxNetFltSolarisAnalyzeMBlk(mblk_t *pMsg); LOCAL int vboxNetFltSolarisReportInfo(PVBOXNETFLTINS pThis, mac_handle_t hInterface, bool fIsVNIC); LOCAL int vboxNetFltSolarisInitVNIC(PVBOXNETFLTINS pThis, PVBOXNETFLTVNIC pVNIC); LOCAL int vboxNetFltSolarisInitVNICTemplate(PVBOXNETFLTINS pThis, PVBOXNETFLTVNICTEMPLATE pVNICTemplate); LOCAL PVBOXNETFLTVNIC vboxNetFltSolarisAllocVNIC(void); LOCAL void vboxNetFltSolarisFreeVNIC(PVBOXNETFLTVNIC pVNIC); LOCAL void vboxNetFltSolarisDestroyVNIC(PVBOXNETFLTVNIC pVNIC); LOCAL int vboxNetFltSolarisCreateVNIC(PVBOXNETFLTINS pThis, PVBOXNETFLTVNIC *ppVNIC); DECLINLINE(int) vboxNetFltSolarisGetLinkId(const char *pszMacName, datalink_id_t *pLinkId); /** * Kernel entry points */ int _init(void) { Log((DEVICE_NAME ":_init\n")); /* * Prevent module autounloading. */ modctl_t *pModCtl = mod_getctl(&g_VBoxNetFltSolarisModLinkage); if (pModCtl) pModCtl->mod_loadflags |= MOD_NOAUTOUNLOAD; else cmn_err(CE_NOTE, ":failed to disable autounloading!\n"); /* * Initialize IPRT. */ int rc = RTR0Init(0); if (RT_SUCCESS(rc)) { /* * Initialize the globals and connect to the support driver. * * This will call back vboxNetFltOsOpenSupDrv (and maybe vboxNetFltOsCloseSupDrv) * for establishing the connect to the support driver. */ memset(&g_VBoxNetFltSolarisGlobals, 0, sizeof(g_VBoxNetFltSolarisGlobals)); rc = vboxNetFltInitGlobalsAndIdc(&g_VBoxNetFltSolarisGlobals); if (RT_SUCCESS(rc)) { rc = mod_install(&g_VBoxNetFltSolarisModLinkage); if (!rc) return rc; LogRel((DEVICE_NAME ":mod_install failed. rc=%d\n", rc)); vboxNetFltTryDeleteIdcAndGlobals(&g_VBoxNetFltSolarisGlobals); } else LogRel((DEVICE_NAME ":failed to initialize globals.\n")); RTR0Term(); } else cmn_err(CE_NOTE, "failed to initialize IPRT (rc=%d)\n", rc); memset(&g_VBoxNetFltSolarisGlobals, 0, sizeof(g_VBoxNetFltSolarisGlobals)); return RTErrConvertToErrno(rc); } int _fini(void) { int rc; Log((DEVICE_NAME ":_fini\n")); /* * Undo the work done during start (in reverse order). */ rc = vboxNetFltTryDeleteIdcAndGlobals(&g_VBoxNetFltSolarisGlobals); if (RT_FAILURE(rc)) { LogRel((DEVICE_NAME ":_fini - busy! rc=%d\n", rc)); return EBUSY; } rc = mod_remove(&g_VBoxNetFltSolarisModLinkage); if (!rc) RTR0Term(); return rc; } int _info(struct modinfo *pModInfo) { /* _info() can be called before _init() so RTR0Init() might not be called at this point. */ int rc = mod_info(&g_VBoxNetFltSolarisModLinkage, pModInfo); 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. */ LOCAL int VBoxNetFltSolarisAttach(dev_info_t *pDip, ddi_attach_cmd_t enmCmd) { Log((DEVICE_NAME ":VBoxNetFltSolarisAttach pDip=%p enmCmd=%d\n", pDip, enmCmd)); switch (enmCmd) { case DDI_ATTACH: { g_pVBoxNetFltSolarisDip = pDip; return DDI_SUCCESS; } 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. */ LOCAL int VBoxNetFltSolarisDetach(dev_info_t *pDip, ddi_detach_cmd_t enmCmd) { Log((DEVICE_NAME ":VBoxNetFltSolarisDetach pDip=%p enmCmd=%d\n", pDip, enmCmd)); switch (enmCmd) { case DDI_DETACH: { return DDI_SUCCESS; } case DDI_RESUME: { /* Nothing to do here... */ return DDI_SUCCESS; } /* case DDI_PM_SUSPEND: */ /* case DDI_HOT_PLUG_DETACH: */ default: return DDI_FAILURE; } } /** * Info entry point, called by solaris kernel for obtaining driver info. * * @param pDip The module structure instance (do not use). * @param enmCmd Information request type. * @param pvArg Type specific argument. * @param ppvResult Where to store the requested info. * * @returns corresponding solaris error code. */ LOCAL int VBoxNetFltSolarisGetInfo(dev_info_t *pDip, ddi_info_cmd_t enmCmd, void *pvArg, void **ppvResult) { Log((DEVICE_NAME ":VBoxNetFltSolarisGetInfo pDip=%p enmCmd=%d pArg=%p instance=%d\n", pDip, enmCmd, getminor((dev_t)pvArg))); switch (enmCmd) { case DDI_INFO_DEVT2DEVINFO: { *ppvResult = g_pVBoxNetFltSolarisDip; return DDI_SUCCESS; } case DDI_INFO_DEVT2INSTANCE: { int instance = getminor((dev_t)pvArg); *ppvResult = (void *)(uintptr_t)instance; return DDI_SUCCESS; } } return DDI_FAILURE; } /** * Create a solaris message block from the SG list. * * @param pThis The instance. * @param pSG Pointer to the scatter-gather list. * @param fDst INTNETTRUNKDIR_XXX. * * @returns Solaris message block. */ DECLINLINE(mblk_t *) vboxNetFltSolarisMBlkFromSG(PVBOXNETFLTINS pThis, PINTNETSG pSG, uint32_t fDst) { Log((DEVICE_NAME ":vboxNetFltSolarisMBlkFromSG pThis=%p pSG=%p\n", pThis, pSG)); mblk_t *pMsg = allocb(pSG->cbTotal, BPRI_HI); if (RT_UNLIKELY(!pMsg)) { LogRel((DEVICE_NAME ":vboxNetFltSolarisMBlkFromSG failed to alloc %d bytes for mblk_t.\n", pSG->cbTotal)); return NULL; } /* * Single buffer copy. Maybe later explore the * need/possibility for using a mblk_t chain rather. */ for (unsigned i = 0; i < pSG->cSegsUsed; i++) { if (pSG->aSegs[i].pv) { bcopy(pSG->aSegs[i].pv, pMsg->b_wptr, pSG->aSegs[i].cb); pMsg->b_wptr += pSG->aSegs[i].cb; } } return pMsg; } /** * Calculate the number of segments required for this message block. * * @param pThis The instance * @param pMsg Pointer to the data message. * * @returns Number of segments. */ LOCAL unsigned vboxNetFltSolarisMBlkCalcSGSegs(PVBOXNETFLTINS pThis, mblk_t *pMsg) { unsigned cSegs = 0; for (mblk_t *pCur = pMsg; pCur; pCur = pCur->b_cont) if (MBLKL(pCur)) cSegs++; #ifdef PADD_RUNT_FRAMES_FROM_HOST if (msgdsize(pMsg) < 60) cSegs++; #endif NOREF(pThis); return RT_MAX(cSegs, 1); } /** * Initializes an SG list from the given message block. * * @param pThis The instance. * @param pMsg Pointer to the data message. The caller must ensure it's not a control message block. * @param pSG Pointer to the SG. * @param cSegs Number of segments in the SG. * This should match the number in the message block exactly! * @param fSrc The source of the message. * * @returns VBox status code. */ LOCAL int vboxNetFltSolarisMBlkToSG(PVBOXNETFLTINS pThis, mblk_t *pMsg, PINTNETSG pSG, unsigned cSegs, uint32_t fSrc) { Log((DEVICE_NAME ":vboxNetFltSolarisMBlkToSG pThis=%p pMsg=%p pSG=%p cSegs=%d\n", pThis, pMsg, pSG, cSegs)); /* * Convert the message block to segments. Works cbTotal and sets cSegsUsed. */ IntNetSgInitTempSegs(pSG, 0 /*cbTotal*/, cSegs, 0 /*cSegsUsed*/); mblk_t *pCur = pMsg; unsigned iSeg = 0; while (pCur) { size_t cbSeg = MBLKL(pCur); if (cbSeg) { void *pvSeg = pCur->b_rptr; pSG->aSegs[iSeg].pv = pvSeg; pSG->aSegs[iSeg].cb = cbSeg; pSG->aSegs[iSeg].Phys = NIL_RTHCPHYS; pSG->cbTotal += cbSeg; iSeg++; } pCur = pCur->b_cont; } pSG->cSegsUsed = iSeg; #ifdef PADD_RUNT_FRAMES_FROM_HOST if (pSG->cbTotal < 60 && (fSrc & INTNETTRUNKDIR_HOST)) { Log((DEVICE_NAME ":vboxNetFltSolarisMBlkToSG pulling up to length.\n")); static uint8_t const s_abZero[128] = {0}; pSG->aSegs[iSeg].Phys = NIL_RTHCPHYS; pSG->aSegs[iSeg].pv = (void *)&s_abZero[0]; pSG->aSegs[iSeg].cb = 60 - pSG->cbTotal; pSG->cbTotal = 60; pSG->cSegsUsed++; Assert(iSeg + 1 < cSegs); } #endif Log((DEVICE_NAME ":vboxNetFltSolarisMBlkToSG iSeg=%d pSG->cbTotal=%d msgdsize=%d\n", iSeg, pSG->cbTotal, msgdsize(pMsg))); return VINF_SUCCESS; } #if 0 /** * Simple packet dump, used for internal debugging. * * @param pMsg Pointer to the message to analyze and dump. */ LOCAL void vboxNetFltSolarisAnalyzeMBlk(mblk_t *pMsg) { LogFunc((DEVICE_NAME ":vboxNetFltSolarisAnalyzeMBlk pMsg=%p\n", pMsg)); PCRTNETETHERHDR pEthHdr = (PCRTNETETHERHDR)pMsg->b_rptr; uint8_t *pb = pMsg->b_rptr; if (pEthHdr->EtherType == RT_H2BE_U16(RTNET_ETHERTYPE_IPV4)) { PRTNETIPV4 pIpHdr = (PRTNETIPV4)(pEthHdr + 1); if (!pMsg->b_cont) { if (pIpHdr->ip_p == RTNETIPV4_PROT_ICMP) LogRel((DEVICE_NAME ":ICMP D=%.6Rhxs S=%.6Rhxs T=%04x\n", pb, pb + 6, RT_BE2H_U16(*(uint16_t *)(pb + 12)))); else if (pIpHdr->ip_p == RTNETIPV4_PROT_TCP) LogRel((DEVICE_NAME ":TCP D=%.6Rhxs S=%.6Rhxs\n", pb, pb + 6)); else if (pIpHdr->ip_p == RTNETIPV4_PROT_UDP) { PCRTNETUDP pUdpHdr = (PCRTNETUDP)((uint32_t *)pIpHdr + pIpHdr->ip_hl); if ( RT_BE2H_U16(pUdpHdr->uh_sport) == 67 && RT_BE2H_U16(pUdpHdr->uh_dport) == 68) { LogRel((DEVICE_NAME ":UDP bootp ack D=%.6Rhxs S=%.6Rhxs UDP_CheckSum=%04x Computex=%04x\n", pb, pb + 6, RT_BE2H_U16(pUdpHdr->uh_sum), RT_BE2H_U16(RTNetIPv4UDPChecksum(pIpHdr, pUdpHdr, pUdpHdr + 1)))); } } } else { Log((DEVICE_NAME ":Chained IP packet. Skipping validity check.\n")); } } else if (pEthHdr->EtherType == RT_H2BE_U16(RTNET_ETHERTYPE_VLAN)) { PVLANHEADER pVlanHdr = (PVLANHEADER)(pMsg->b_rptr + sizeof(RTNETETHERHDR) - sizeof(pEthHdr->EtherType)); LogRel((DEVICE_NAME ":VLAN Pcp=%u Cfi=%u Id=%u\n", VLAN_PRI(RT_BE2H_U16(pVlanHdr->Data)), VLAN_CFI(RT_BE2H_U16(pVlanHdr->Data)), VLAN_ID(RT_BE2H_U16(pVlanHdr->Data)))); LogRel((DEVICE_NAME "%.*Rhxd\n", sizeof(VLANHEADER), pVlanHdr)); } else if (pEthHdr->EtherType == RT_H2BE_U16(RTNET_ETHERTYPE_ARP)) { PRTNETARPHDR pArpHdr = (PRTNETARPHDR)(pEthHdr + 1); LogRel((DEVICE_NAME ":ARP Op=%d\n", pArpHdr->ar_oper)); } else if (pEthHdr->EtherType == RT_H2BE_U16(RTNET_ETHERTYPE_IPV6)) { LogRel((DEVICE_NAME ":IPv6 D=%.6Rhxs S=%.6Rhxs\n", pb, pb + 6)); } else if ( pEthHdr->EtherType == RT_H2BE_U16(RTNET_ETHERTYPE_IPX_1) || pEthHdr->EtherType == RT_H2BE_U16(RTNET_ETHERTYPE_IPX_2) || pEthHdr->EtherType == RT_H2BE_U16(RTNET_ETHERTYPE_IPX_3)) { LogRel((DEVICE_NAME ":IPX packet.\n")); } else { LogRel((DEVICE_NAME ":Unknown EtherType=%x D=%.6Rhxs S=%.6Rhxs\n", RT_H2BE_U16(pEthHdr->EtherType), &pEthHdr->DstMac, &pEthHdr->SrcMac)); /* Log((DEVICE_NAME ":%.*Rhxd\n", MBLKL(pMsg), pMsg->b_rptr)); */ } } #endif /** * Helper. */ DECLINLINE(bool) vboxNetFltPortSolarisIsHostMac(PVBOXNETFLTINS pThis, PCRTMAC pMac) { return pThis->u.s.MacAddr.au16[0] == pMac->au16[0] && pThis->u.s.MacAddr.au16[1] == pMac->au16[1] && pThis->u.s.MacAddr.au16[2] == pMac->au16[2]; } /** * Receive (rx) entry point. * * @param pvData Private data. * @param hResource The resource handle. * @param pMsg The packet. * @param fLoopback Whether this is a loopback packet or not. */ LOCAL void vboxNetFltSolarisRecv(void *pvData, mac_resource_handle_t hResource, mblk_t *pMsg, boolean_t fLoopback) { Log((DEVICE_NAME ":vboxNetFltSolarisRecv pvData=%p pMsg=%p fLoopback=%d cbData=%d\n", pvData, pMsg, fLoopback, pMsg ? MBLKL(pMsg) : 0)); PVBOXNETFLTINS pThis = (PVBOXNETFLTINS)pvData; AssertPtrReturnVoid(pThis); AssertPtrReturnVoid(pMsg); /* * Active? Retain the instance and increment the busy counter. */ if (!vboxNetFltTryRetainBusyActive(pThis)) { freemsgchain(pMsg); return; } uint32_t fSrc = INTNETTRUNKDIR_WIRE; PRTNETETHERHDR pEthHdr = (PRTNETETHERHDR)pMsg->b_rptr; if ( MBLKL(pMsg) >= sizeof(RTNETETHERHDR) && vboxNetFltPortSolarisIsHostMac(pThis, &pEthHdr->SrcMac)) fSrc = INTNETTRUNKDIR_HOST; /* * Route all received packets into the internal network. */ uint16_t cFailed = 0; for (mblk_t *pCurMsg = pMsg; pCurMsg != NULL; pCurMsg = pCurMsg->b_next) { unsigned cSegs = vboxNetFltSolarisMBlkCalcSGSegs(pThis, pCurMsg); PINTNETSG pSG = (PINTNETSG)alloca(RT_UOFFSETOF_DYN(INTNETSG, aSegs[cSegs])); int rc = vboxNetFltSolarisMBlkToSG(pThis, pMsg, pSG, cSegs, fSrc); if (RT_SUCCESS(rc)) pThis->pSwitchPort->pfnRecv(pThis->pSwitchPort, NULL, pSG, fSrc); else cFailed++; } vboxNetFltRelease(pThis, true /* fBusy */); if (RT_UNLIKELY(cFailed)) LogRel((DEVICE_NAME ":vboxNetFltSolarisMBlkToSG failed for %u packets.\n", cFailed)); freemsgchain(pMsg); NOREF(hResource); } #if 0 /** * MAC layer link notification hook. * * @param pvArg Opaque pointer to the instance. * @param Type Notification Type. * * @remarks This hook will be invoked for various changes to the underlying * interface even when VMs aren't running so don't do any funky stuff * here. */ LOCAL void vboxNetFltSolarisLinkNotify(void *pvArg, mac_notify_type_t Type) { LogRel((DEVICE_NAME ":vboxNetFltSolarisLinkNotify pvArg=%p Type=%d\n", pvArg, Type)); PVBOXNETFLTINS pThis = pvArg; AssertReturnVoid(VALID_PTR(pThis)); AssertReturnVoid(pThis->u.s.hInterface); switch (Type) { case MAC_NOTE_LINK: { LogRel((DEVICE_NAME ":vboxNetFltSolarisLinkNotify link state change\n")); link_state_t hLinkState = mac_stat_get(pThis->u.s.hInterface, MAC_STAT_LINK_STATE); bool fDisconnectedFromHost = hLinkState == LINK_STATE_UP ? false : true; if (fDisconnectedFromHost != ASMAtomicUoReadBool(&pThis->fDisconnectedFromHost)) { ASMAtomicUoWriteBool(&pThis->fDisconnectedFromHost, fDisconnectedFromHost); LogRel((DEVICE_NAME ":vboxNetFltSolarisLinkNotify link state change: new state=%s\n", fDisconnectedFromHost ? "DOWN" : "UP")); } break; } default: return; } } #endif /** * Report capabilities and MAC address to IntNet after obtaining the MAC address * of the underlying interface for a VNIC or the current interface if it's a * physical/ether-stub interface. * * @param pThis The instance. * @param hInterface The Interface handle. * @param fIsVNIC Whether this interface handle corresponds to a VNIC * or not. * * @remarks Retains the instance while doing it's job. * @returns VBox status code. */ LOCAL int vboxNetFltSolarisReportInfo(PVBOXNETFLTINS pThis, mac_handle_t hInterface, bool fIsVNIC) { mac_handle_t hLowerMac = NULL; if (!fIsVNIC) hLowerMac = hInterface; else { hLowerMac = mac_get_lower_mac_handle(hInterface); if (RT_UNLIKELY(!hLowerMac)) { LogRel((DEVICE_NAME ":vboxNetFltSolarisReportInfo failed to get lower MAC handle for '%s'\n", pThis->szName)); return VERR_INVALID_HANDLE; } } pThis->u.s.hInterface = hLowerMac; #if 0 /* * Try setup link notification hooks, this might fail if mac_no_notification() * doesn't support it. We won't bother using the private function since link notification * isn't critical for us and ignore failures. */ pThis->u.s.hNotify = mac_notify_add(hLowerMac, vboxNetFltSolarisLinkNotify, pThis); if (!pThis->u.s.hNotify) LogRel((DEVICE_NAME ":vboxNetFltSolarisReportInfo Warning! Failed to setup link notification hook.\n")); #endif mac_unicast_primary_get(hLowerMac, (uint8_t *)pThis->u.s.MacAddr.au8); if (vboxNetFltTryRetainBusyNotDisconnected(pThis)) { Assert(pThis->pSwitchPort); Log((DEVICE_NAME ":vboxNetFltSolarisReportInfo phys mac %.6Rhxs\n", &pThis->u.s.MacAddr)); pThis->pSwitchPort->pfnReportMacAddress(pThis->pSwitchPort, &pThis->u.s.MacAddr); pThis->pSwitchPort->pfnReportPromiscuousMode(pThis->pSwitchPort, false); /** @todo Promisc */ pThis->pSwitchPort->pfnReportGsoCapabilities(pThis->pSwitchPort, 0, INTNETTRUNKDIR_WIRE | INTNETTRUNKDIR_HOST); pThis->pSwitchPort->pfnReportNoPreemptDsts(pThis->pSwitchPort, 0 /* none */); vboxNetFltRelease(pThis, true /*fBusy*/); return VINF_SUCCESS; } else LogRel((DEVICE_NAME ":vboxNetFltSolarisReportInfo failed to retain interface. pThis=%p\n", pThis)); return VERR_INTNET_FLT_IF_BUSY; } /** * Initialize a VNIC, optionally from a template. * * @param pThis The instance. * @param pVNIC Pointer to the VNIC. * * @returns VBox status code. */ LOCAL int vboxNetFltSolarisInitVNIC(PVBOXNETFLTINS pThis, PVBOXNETFLTVNIC pVNIC) { /* * Some paranoia. */ AssertReturn(pThis, VERR_INVALID_PARAMETER); AssertReturn(pVNIC, VERR_INVALID_PARAMETER); AssertReturn(pVNIC->hInterface, VERR_INVALID_POINTER); AssertReturn(pVNIC->hLinkId != DATALINK_INVALID_LINKID, VERR_INVALID_HANDLE); AssertReturn(!pVNIC->hClient, VERR_INVALID_POINTER); int rc = mac_client_open(pVNIC->hInterface, &pVNIC->hClient, NULL, /* name of this client */ MAC_OPEN_FLAGS_USE_DATALINK_NAME | /* client name same as underlying NIC */ MAC_OPEN_FLAGS_MULTI_PRIMARY /* allow multiple primary unicasts */ ); if (RT_LIKELY(!rc)) { if (pVNIC->pVNICTemplate) rc = mac_client_set_resources(pVNIC->hClient, &pVNIC->pVNICTemplate->Resources); if (RT_LIKELY(!rc)) { Log((DEVICE_NAME ":vboxNetFltSolarisInitVNIC succesfully initialized VNIC.\n")); return VINF_SUCCESS; } else { LogRel((DEVICE_NAME ":vboxNetFltSolarisInitVNIC mac_client_set_resources failed. rc=%d\n", rc)); rc = VERR_INTNET_FLT_VNIC_INIT_FAILED; } mac_client_close(pVNIC->hClient, 0 /* flags */); pVNIC->hClient = NULL; } else LogRel((DEVICE_NAME ":vboxNetFltSolarisInitVNIC failed to open mac client for '%s' rc=%d\n", pThis->szName, rc)); return VERR_INTNET_FLT_VNIC_OPEN_FAILED; } /** * Get the underlying link name for a VNIC (template). * * @return VBox status code. * @param hVNICMacHandle The handle to the VNIC. * @param pszLowerLinkName Where to store the lower-mac linkname, must be * at least MAXLINKNAMELEN in size. */ LOCAL int vboxNetFltSolarisGetLowerLinkName(mac_handle_t hVNICMacHandle, char *pszLowerLinkName) { Assert(mac_is_vnic(hVNICMacHandle)); mac_handle_t hPhysLinkHandle = mac_get_lower_mac_handle(hVNICMacHandle); if (RT_LIKELY(hPhysLinkHandle)) { datalink_id_t PhysLinkId; const char *pszMacName = mac_name(hPhysLinkHandle); int rc = vboxNetFltSolarisGetLinkId(pszMacName, &PhysLinkId); if (RT_SUCCESS(rc)) { rc = dls_mgmt_get_linkinfo(PhysLinkId, pszLowerLinkName, NULL /*class*/, NULL /*media*/, NULL /*flags*/); if (RT_LIKELY(!rc)) return VINF_SUCCESS; LogRel((DEVICE_NAME ":vboxNetFltSolarisGetLowerLinkName failed to get link info. pszMacName=%s pszLowerLinkName=%s\n", pszMacName, pszLowerLinkName)); return VERR_INTNET_FLT_LOWER_LINK_INFO_NOT_FOUND; } LogRel((DEVICE_NAME ":vboxNetFltSolarisGetLowerLinkName failed to get link id. pszMacName=%s pszLowerLinkName=%s\n", pszMacName, pszLowerLinkName)); return VERR_INTNET_FLT_LOWER_LINK_ID_NOT_FOUND; } LogRel((DEVICE_NAME ":vboxNetFltSolarisGetLowerLinkName failed to get lower-mac. pszLowerLinkName=%s\n", pszLowerLinkName)); return VERR_INTNET_FLT_LOWER_LINK_OPEN_FAILED; } /** * Initializes the VNIC template. This involves opening the template VNIC to * retreive info. like the VLAN Id, underlying MAC address etc. * * @param pThis The VM connection instance. * @param pVNICTemplate Pointer to a VNIC template to initialize. * * @returns VBox status code. */ LOCAL int vboxNetFltSolarisInitVNICTemplate(PVBOXNETFLTINS pThis, PVBOXNETFLTVNICTEMPLATE pVNICTemplate) { Log((DEVICE_NAME ":vboxNetFltSolarisInitVNICTemplate pThis=%p pVNICTemplate=%p\n", pThis, pVNICTemplate)); AssertReturn(pVNICTemplate, VERR_INVALID_PARAMETER); AssertReturn(pThis->u.s.fIsVNICTemplate == true, VERR_INVALID_STATE); /* * Get the VNIC template's datalink ID. */ datalink_id_t VNICLinkId; int rc = vboxNetFltSolarisGetLinkId(pThis->szName, &VNICLinkId); if (RT_SUCCESS(rc)) { /* * Open the VNIC to obtain a MAC handle so as to retreive the VLAN ID. */ mac_handle_t hInterface; rc = mac_open_by_linkid(VNICLinkId, &hInterface); if (!rc) { /* * Get the underlying linkname. */ AssertCompile(sizeof(pVNICTemplate->szLinkName) >= MAXLINKNAMELEN); rc = vboxNetFltSolarisGetLowerLinkName(hInterface, pVNICTemplate->szLinkName); if (RT_SUCCESS(rc)) { /* * Now open the VNIC template to retrieve the VLAN Id & resources. */ mac_client_handle_t hClient; rc = mac_client_open(hInterface, &hClient, NULL, /* name of this client */ MAC_OPEN_FLAGS_USE_DATALINK_NAME | /* client name same as underlying NIC */ MAC_OPEN_FLAGS_MULTI_PRIMARY /* allow multiple primary unicasts */ ); if (RT_LIKELY(!rc)) { pVNICTemplate->uVLANId = mac_client_vid(hClient); mac_client_get_resources(hClient, &pVNICTemplate->Resources); mac_client_close(hClient, 0 /* fFlags */); mac_close(hInterface); LogRel((DEVICE_NAME ":vboxNetFltSolarisInitVNICTemplate successfully init. VNIC template. szLinkName=%s " "VLAN Id=%u\n", pVNICTemplate->szLinkName, pVNICTemplate->uVLANId)); return VINF_SUCCESS; } else { LogRel((DEVICE_NAME ":vboxNetFltSolarisInitVNICTemplate failed to open VNIC template. rc=%d\n", rc)); rc = VERR_INTNET_FLT_IF_FAILED; } } else LogRel((DEVICE_NAME ":vboxNetFltSolarisInitVNICTemplate failed to get lower linkname for VNIC template '%s'.\n", pThis->szName)); mac_close(hInterface); } else { LogRel((DEVICE_NAME ":vboxNetFltSolarisInitVNICTemplate failed to open by link ID. rc=%d\n", rc)); rc = VERR_INTNET_FLT_IF_FAILED; } } else LogRel((DEVICE_NAME ":vboxNetFltSolarisInitVNICTemplate failed to get VNIC template link Id. rc=%d\n", rc)); return rc; } /** * Allocate a VNIC structure. * * @returns An allocated VNIC structure or NULL in case of errors. */ LOCAL PVBOXNETFLTVNIC vboxNetFltSolarisAllocVNIC(void) { PVBOXNETFLTVNIC pVNIC = RTMemAllocZ(sizeof(VBOXNETFLTVNIC)); if (RT_UNLIKELY(!pVNIC)) return NULL; pVNIC->u32Magic = VBOXNETFLTVNIC_MAGIC; pVNIC->fCreated = false; pVNIC->pVNICTemplate = NULL; pVNIC->pvIf = NULL; pVNIC->hInterface = NULL; pVNIC->hLinkId = DATALINK_INVALID_LINKID; pVNIC->hClient = NULL; pVNIC->hUnicast = NULL; pVNIC->hPromisc = NULL; RT_ZERO(pVNIC->szName); list_link_init(&pVNIC->hNode); return pVNIC; } /** * Frees an allocated VNIC. * * @param pVNIC Pointer to the VNIC. */ DECLINLINE(void) vboxNetFltSolarisFreeVNIC(PVBOXNETFLTVNIC pVNIC) { RTMemFree(pVNIC); } /** * Destroy a created VNIC if it was created by us, or just * de-initializes the VNIC freeing up resources handles. * * @param pVNIC Pointer to the VNIC. */ LOCAL void vboxNetFltSolarisDestroyVNIC(PVBOXNETFLTVNIC pVNIC) { AssertPtrReturnVoid(pVNIC); AssertMsgReturnVoid(pVNIC->u32Magic == VBOXNETFLTVNIC_MAGIC, ("pVNIC=%p u32Magic=%#x\n", pVNIC, pVNIC->u32Magic)); if (pVNIC) { if (pVNIC->hClient) { #if 0 if (pVNIC->hUnicast) { mac_unicast_remove(pVNIC->hClient, pVNIC->hUnicast); pVNIC->hUnicast = NULL; } #endif if (pVNIC->hPromisc) { mac_promisc_remove(pVNIC->hPromisc); pVNIC->hPromisc = NULL; } mac_rx_clear(pVNIC->hClient); mac_client_close(pVNIC->hClient, 0 /* fFlags */); pVNIC->hClient = NULL; } if (pVNIC->hInterface) { mac_close(pVNIC->hInterface); pVNIC->hInterface = NULL; } if (pVNIC->fCreated) { vnic_delete(pVNIC->hLinkId, 0 /* Flags */); pVNIC->hLinkId = DATALINK_INVALID_LINKID; pVNIC->fCreated = false; } if (pVNIC->pVNICTemplate) { RTMemFree(pVNIC->pVNICTemplate); pVNIC->pVNICTemplate = NULL; } } } /** * Create a non-persistent VNIC over the given interface. * * @param pThis The VM connection instance. * @param ppVNIC Where to store the created VNIC. * * @returns VBox status code. */ LOCAL int vboxNetFltSolarisCreateVNIC(PVBOXNETFLTINS pThis, PVBOXNETFLTVNIC *ppVNIC) { Log((DEVICE_NAME ":vboxNetFltSolarisCreateVNIC pThis=%p\n", pThis)); AssertReturn(pThis, VERR_INVALID_POINTER); AssertReturn(ppVNIC, VERR_INVALID_POINTER); int rc = VERR_INVALID_STATE; PVBOXNETFLTVNIC pVNIC = vboxNetFltSolarisAllocVNIC(); if (RT_UNLIKELY(!pVNIC)) return VERR_NO_MEMORY; /* * Set a random MAC address for now. It will be changed to the VM interface's * MAC address later, see vboxNetFltPortOsNotifyMacAddress(). */ RTMAC GuestMac; GuestMac.au8[0] = 0x08; GuestMac.au8[1] = 0x00; GuestMac.au8[2] = 0x27; RTRandBytes(&GuestMac.au8[3], 3); AssertCompile(sizeof(RTMAC) <= MAXMACADDRLEN); const char *pszLinkName = pThis->szName; uint16_t uVLANId = VLAN_ID_NONE; vnic_mac_addr_type_t AddrType = VNIC_MAC_ADDR_TYPE_FIXED; vnic_ioc_diag_t Diag = VNIC_IOC_DIAG_NONE; int MacSlot = 0; int MacLen = sizeof(GuestMac); uint32_t fFlags = 0; if (pThis->u.s.fIsVNICTemplate) { pVNIC->pVNICTemplate = RTMemAllocZ(sizeof(VBOXNETFLTVNICTEMPLATE)); if (RT_UNLIKELY(!pVNIC->pVNICTemplate)) { vboxNetFltSolarisFreeVNIC(pVNIC); return VERR_NO_MEMORY; } /* * Initialize the VNIC template. */ rc = vboxNetFltSolarisInitVNICTemplate(pThis, pVNIC->pVNICTemplate); if (RT_FAILURE(rc)) { LogRel((DEVICE_NAME ":vboxNetFltSolarisCreateVNIC failed to initialize VNIC from VNIC template. rc=%Rrc\n", rc)); vboxNetFltSolarisFreeVNIC(pVNIC); return rc; } pszLinkName = pVNIC->pVNICTemplate->szLinkName; uVLANId = pVNIC->pVNICTemplate->uVLANId; #if 0 /* * Required only if we're creating a VLAN interface & not a VNIC with a VLAN Id. */ if (uVLANId != VLAN_ID_NONE) fFlags |= MAC_VLAN; #endif Log((DEVICE_NAME ":vboxNetFltSolarisCreateVNIC pThis=%p VLAN Id=%u\n", pThis, uVLANId)); } /* * Make sure the dynamic VNIC we're creating doesn't already exists, if so pick a new instance. * This is to avoid conflicts with users manually creating VNICs whose name starts with VBOXBOW_VNIC_NAME. */ do { AssertCompile(sizeof(pVNIC->szName) > sizeof(VBOXBOW_VNIC_NAME "18446744073709551615" /* UINT64_MAX */)); RTStrPrintf(pVNIC->szName, sizeof(pVNIC->szName), "%s%RU64", VBOXBOW_VNIC_NAME, g_VBoxNetFltSolarisVNICId); mac_handle_t hTmpMacHandle; rc = mac_open_by_linkname(pVNIC->szName, &hTmpMacHandle); if (rc) break; mac_close(hTmpMacHandle); ASMAtomicIncU64(&g_VBoxNetFltSolarisVNICId); } while (1); /* * Create the VNIC under 'pszLinkName', which can be the one from the VNIC template or can * be a physical interface. */ rc = vnic_create(pVNIC->szName, pszLinkName, &AddrType, &MacLen, GuestMac.au8, &MacSlot, 0 /* Mac-Prefix Length */, uVLANId, fFlags, &pVNIC->hLinkId, &Diag, NULL /* Reserved */); if (!rc) { pVNIC->fCreated = true; ASMAtomicIncU64(&g_VBoxNetFltSolarisVNICId); /* * Now try opening the created VNIC. */ rc = mac_open_by_linkid(pVNIC->hLinkId, &pVNIC->hInterface); if (!rc) { /* * Initialize the VNIC from the physical interface or the VNIC template. */ rc = vboxNetFltSolarisInitVNIC(pThis, pVNIC); if (RT_SUCCESS(rc)) { Log((DEVICE_NAME ":vboxNetFltSolarisCreateVNIC created VNIC '%s' over '%s' with random mac %.6Rhxs\n", pVNIC->szName, pszLinkName, &GuestMac)); *ppVNIC = pVNIC; return VINF_SUCCESS; } LogRel((DEVICE_NAME ":vboxNetFltSolarisCreateVNIC vboxNetFltSolarisInitVNIC failed. rc=%d\n", rc)); mac_close(pVNIC->hInterface); pVNIC->hInterface = NULL; } else { LogRel((DEVICE_NAME ":vboxNetFltSolarisCreateVNIC logrel failed to open VNIC '%s' over '%s'. rc=%d\n", pVNIC->szName, pThis->szName, rc)); rc = VERR_INTNET_FLT_VNIC_LINK_ID_NOT_FOUND; } vboxNetFltSolarisDestroyVNIC(pVNIC); } else { LogRel((DEVICE_NAME ":vboxNetFltSolarisCreateVNIC failed to create VNIC '%s' over '%s' rc=%d Diag=%d\n", pVNIC->szName, pszLinkName, rc, Diag)); rc = VERR_INTNET_FLT_VNIC_CREATE_FAILED; } vboxNetFltSolarisFreeVNIC(pVNIC); return rc; } /** * Wrapper for getting the datalink ID given the MAC name. * * @param pszMacName The MAC name. * @param pLinkId Where to store the datalink ID. * * @returns VBox status code. */ DECLINLINE(int) vboxNetFltSolarisGetLinkId(const char *pszMacName, datalink_id_t *pLinkId) { /* * dls_mgmt_get_linkid() requires to be in a state to answer upcalls. We should always use this * first before resorting to other means to retrieve the MAC name. */ int rc = dls_mgmt_get_linkid(pszMacName, pLinkId); if (rc) rc = dls_devnet_macname2linkid(pszMacName, pLinkId); if (RT_LIKELY(!rc)) return VINF_SUCCESS; LogRel((DEVICE_NAME ":vboxNetFltSolarisGetLinkId failed for '%s'. rc=%d\n", pszMacName, rc)); return RTErrConvertFromErrno(rc); } /** * Set the promiscuous mode RX hook. * * @param pThis The VM connection instance. * @param pVNIC Pointer to the VNIC. * * @returns VBox status code. */ DECLINLINE(int) vboxNetFltSolarisSetPromisc(PVBOXNETFLTINS pThis, PVBOXNETFLTVNIC pVNIC) { int rc = VINF_SUCCESS; if (!pVNIC->hPromisc) { rc = mac_promisc_add(pVNIC->hClient, MAC_CLIENT_PROMISC_FILTERED, vboxNetFltSolarisRecv, pThis, &pVNIC->hPromisc, MAC_PROMISC_FLAGS_NO_TX_LOOP | MAC_PROMISC_FLAGS_VLAN_TAG_STRIP | MAC_PROMISC_FLAGS_NO_PHYS); if (RT_UNLIKELY(rc)) LogRel((DEVICE_NAME ":vboxNetFltSolarisSetPromisc failed. rc=%d\n", rc)); rc = RTErrConvertFromErrno(rc); } return rc; } /** * Clear the promiscuous mode RX hook. * * @param pThis The VM connection instance. * @param pVNIC Pointer to the VNIC. */ DECLINLINE(void) vboxNetFltSolarisRemovePromisc(PVBOXNETFLTINS pThis, PVBOXNETFLTVNIC pVNIC) { if (pVNIC->hPromisc) { mac_promisc_remove(pVNIC->hPromisc); pVNIC->hPromisc = NULL; } } /* -=-=-=-=-=- Common Hooks -=-=-=-=-=- */ void vboxNetFltPortOsSetActive(PVBOXNETFLTINS pThis, bool fActive) { Log((DEVICE_NAME ":vboxNetFltPortOsSetActive pThis=%p fActive=%d\n", pThis, fActive)); /* * Reactivate/quiesce the interface. */ PVBOXNETFLTVNIC pVNIC = list_head(&pThis->u.s.hVNICs); if (fActive) { for (; pVNIC != NULL; pVNIC = list_next(&pThis->u.s.hVNICs, pVNIC)) if (pVNIC->hClient) { #if 0 mac_rx_set(pVNIC->hClient, vboxNetFltSolarisRecv, pThis); #endif vboxNetFltSolarisSetPromisc(pThis, pVNIC); } } else { for (; pVNIC != NULL; pVNIC = list_next(&pThis->u.s.hVNICs, pVNIC)) if (pVNIC->hClient) { #if 0 mac_rx_clear(pVNIC->hClient); #endif vboxNetFltSolarisRemovePromisc(pThis, pVNIC); } } } int vboxNetFltOsDisconnectIt(PVBOXNETFLTINS pThis) { Log((DEVICE_NAME ":vboxNetFltOsDisconnectIt pThis=%p\n", pThis)); return VINF_SUCCESS; } int vboxNetFltOsConnectIt(PVBOXNETFLTINS pThis) { Log((DEVICE_NAME ":vboxNetFltOsConnectIt pThis=%p\n", pThis)); return VINF_SUCCESS; } void vboxNetFltOsDeleteInstance(PVBOXNETFLTINS pThis) { Log((DEVICE_NAME ":vboxNetFltOsDeleteInstance pThis=%p\n", pThis)); if (pThis->u.s.hNotify) mac_notify_remove(pThis->u.s.hNotify, B_TRUE /* Wait */); /* * Destroy all managed VNICs. If a VNIC was passed to us, there * will be only 1 item in the list, otherwise as many interfaces * that were somehow not destroyed using DisconnectInterface() will be * present. */ PVBOXNETFLTVNIC pVNIC = NULL; while ((pVNIC = list_remove_head(&pThis->u.s.hVNICs)) != NULL) { vboxNetFltSolarisDestroyVNIC(pVNIC); vboxNetFltSolarisFreeVNIC(pVNIC); } list_destroy(&pThis->u.s.hVNICs); } int vboxNetFltOsInitInstance(PVBOXNETFLTINS pThis, void *pvContext) { Log((DEVICE_NAME ":vboxNetFltOsInitInstance pThis=%p pvContext=%p\n", pThis, pvContext)); /* * Figure out if the interface is a VNIC or a physical/etherstub/whatever NIC, then * do the actual VNIC creation if necessary in vboxNetFltPortOsConnectInterface(). */ mac_handle_t hInterface; int rc = mac_open_by_linkname(pThis->szName, &hInterface); if (RT_LIKELY(!rc)) { rc = mac_is_vnic(hInterface); if (!rc) { Log((DEVICE_NAME ":vboxNetFltOsInitInstance pThis=%p physical interface '%s' detected.\n", pThis, pThis->szName)); pThis->u.s.fIsVNIC = false; } else { pThis->u.s.fIsVNIC = true; if (RTStrNCmp(pThis->szName, VBOXBOW_VNIC_TEMPLATE_NAME, sizeof(VBOXBOW_VNIC_TEMPLATE_NAME) - 1) == 0) { Log((DEVICE_NAME ":vboxNetFltOsInitInstance pThis=%p VNIC template '%s' detected.\n", pThis, pThis->szName)); pThis->u.s.fIsVNICTemplate = true; } } if ( pThis->u.s.fIsVNIC && !pThis->u.s.fIsVNICTemplate) Log((DEVICE_NAME ":vboxNetFltOsInitInstance pThis=%p VNIC '%s' detected.\n", pThis, pThis->szName)); /* * Report info. (host MAC address, promiscuous, GSO capabilities etc.) to IntNet. */ rc = vboxNetFltSolarisReportInfo(pThis, hInterface, pThis->u.s.fIsVNIC); if (RT_FAILURE(rc)) LogRel((DEVICE_NAME ":vboxNetFltOsInitInstance failed to report info. rc=%d\n", rc)); mac_close(hInterface); } else { LogRel((DEVICE_NAME ":vboxNetFltOsInitInstance failed to open link '%s'! rc=%d\n", pThis->szName, rc)); rc = VERR_INTNET_FLT_IF_FAILED; } return rc; } int vboxNetFltOsPreInitInstance(PVBOXNETFLTINS pThis) { /* * Init. the solaris specific data. */ pThis->u.s.fIsVNIC = false; pThis->u.s.fIsVNICTemplate = false; list_create(&pThis->u.s.hVNICs, sizeof(VBOXNETFLTVNIC), offsetof(VBOXNETFLTVNIC, hNode)); pThis->u.s.hNotify = NULL; RT_ZERO(pThis->u.s.MacAddr); return VINF_SUCCESS; } bool vboxNetFltOsMaybeRediscovered(PVBOXNETFLTINS pThis) { /* * @todo Think about this. */ return false; } int vboxNetFltPortOsXmit(PVBOXNETFLTINS pThis, void *pvIfData, PINTNETSG pSG, uint32_t fDst) { /* * Validate parameters. */ PVBOXNETFLTVNIC pVNIC = pvIfData; AssertReturn(VALID_PTR(pVNIC), VERR_INVALID_POINTER); AssertMsgReturn(pVNIC->u32Magic == VBOXNETFLTVNIC_MAGIC, ("Invalid magic=%#x (expected %#x)\n", pVNIC->u32Magic, VBOXNETFLTVNIC_MAGIC), VERR_INVALID_MAGIC); /* * Xmit the packet down the appropriate VNIC interface. */ int rc = VINF_SUCCESS; mblk_t *pMsg = vboxNetFltSolarisMBlkFromSG(pThis, pSG, fDst); if (RT_LIKELY(pMsg)) { Log((DEVICE_NAME ":vboxNetFltPortOsXmit pThis=%p cbData=%d\n", pThis, MBLKL(pMsg))); mac_tx_cookie_t pXmitCookie = mac_tx(pVNIC->hClient, pMsg, 0 /* Hint */, MAC_DROP_ON_NO_DESC, NULL /* return message */); if (RT_LIKELY(!pXmitCookie)) return VINF_SUCCESS; pMsg = NULL; rc = VERR_NET_IO_ERROR; LogRel((DEVICE_NAME ":vboxNetFltPortOsXmit Xmit failed pVNIC=%p.\n", pVNIC)); } else { LogRel((DEVICE_NAME ":vboxNetFltPortOsXmit no memory for allocating Xmit packet.\n")); rc = VERR_NO_MEMORY; } return rc; } void vboxNetFltPortOsNotifyMacAddress(PVBOXNETFLTINS pThis, void *pvIfData, PCRTMAC pMac) { Log((DEVICE_NAME ":vboxNetFltPortOSNotifyMacAddress pszIf=%s pszVNIC=%s MAC=%.6Rhxs\n", pThis->szName, ((PVBOXNETFLTVNIC)pvIfData)->szName, pMac)); /* * Validate parameters. */ PVBOXNETFLTVNIC pVNIC = pvIfData; AssertMsgReturnVoid(VALID_PTR(pVNIC) && pVNIC->u32Magic == VBOXNETFLTVNIC_MAGIC, ("Invalid pVNIC=%p magic=%#x (expected %#x)\n", pvIfData, VALID_PTR(pVNIC) ? pVNIC->u32Magic : 0, VBOXNETFLTVNIC_MAGIC)); AssertMsgReturnVoid(pVNIC->hLinkId != DATALINK_INVALID_LINKID, ("Invalid hLinkId pVNIC=%p magic=%#x\n", pVNIC, pVNIC->u32Magic)); /* * Set the MAC address of the VNIC to the one used by the VM interface. */ uchar_t au8GuestMac[MAXMACADDRLEN]; bcopy(pMac->au8, au8GuestMac, sizeof(RTMAC)); vnic_mac_addr_type_t AddrType = VNIC_MAC_ADDR_TYPE_FIXED; vnic_ioc_diag_t Diag = VNIC_IOC_DIAG_NONE; int MacSlot = 0; int MacLen = sizeof(RTMAC); int rc = vnic_modify_addr(pVNIC->hLinkId, &AddrType, &MacLen, au8GuestMac, &MacSlot, 0 /* Mac-Prefix Length */, &Diag); if (RT_LIKELY(!rc)) { /* * Remove existing unicast address, promisc. and the RX hook. */ #if 0 if (pVNIC->hUnicast) { mac_rx_clear(pVNIC->hClient); mac_unicast_remove(pVNIC->hClient, pVNIC->hUnicast); pVNIC->hUnicast = NULL; } #endif if (pVNIC->hPromisc) { mac_promisc_remove(pVNIC->hPromisc); pVNIC->hPromisc = NULL; } mac_diag_t MacDiag = MAC_DIAG_NONE; /* uint16_t uVLANId = pVNIC->pVNICTemplate ? pVNIC->pVNICTemplate->uVLANId : 0; */ #if 0 rc = mac_unicast_add(pVNIC->hClient, NULL, MAC_UNICAST_PRIMARY, &pVNIC->hUnicast, 0 /* VLAN Id */, &MacDiag); #endif if (RT_LIKELY(!rc)) { rc = vboxNetFltSolarisSetPromisc(pThis, pVNIC); #if 0 if (RT_SUCCESS(rc)) { /* * Set the RX receive function. * This shouldn't be necessary as vboxNetFltPortOsSetActive() will be invoked after this, but in the future, * if the guest NIC changes MAC address this may not be followed by a vboxNetFltPortOsSetActive() call, * so set it here anyway. */ mac_rx_set(pVNIC->hClient, vboxNetFltSolarisRecv, pThis); Log((DEVICE_NAME ":vboxNetFltPortOsNotifyMacAddress successfully added unicast address %.6Rhxs\n", pMac)); } else LogRel((DEVICE_NAME ":vboxNetFltPortOsNotifyMacAddress failed to set promiscuous mode. rc=%d\n", rc)); mac_unicast_remove(pVNIC->hClient, pVNIC->hUnicast); pVNIC->hUnicast = NULL; #endif } else { LogRel((DEVICE_NAME ":vboxNetFltPortOsNotifyMacAddress failed to add primary unicast address. rc=%d Diag=%d\n", rc, MacDiag)); } } else { /* * They really ought to use EEXIST, but I'm afraid this error comes from the VNIC device driver directly. * Sequence: vnic_modify_addr()->mac_unicast_primary_set()->mac_update_macaddr() which uses a function pointer * to the MAC driver (calls mac_vnic_unicast_set() in our case). Documented here if the error code should change we know * where to look. */ if (rc == ENOTSUP) { LogRel((DEVICE_NAME ":vboxNetFltPortOsNotifyMacAddress: failed! a VNIC with mac %.6Rhxs probably already exists.", pMac, rc)); LogRel((DEVICE_NAME ":vboxNetFltPortOsNotifyMacAddress: This NIC cannot establish connection. szName=%s szVNIC=%s\n", pThis->szName, pVNIC->szName)); } else LogRel((DEVICE_NAME ":vboxNetFltPortOsNotifyMacAddress failed! mac %.6Rhxs rc=%d Diag=%d\n", pMac, rc, Diag)); } } int vboxNetFltPortOsConnectInterface(PVBOXNETFLTINS pThis, void *pvIf, void **ppvIfData) { Log((DEVICE_NAME ":vboxNetFltPortOsConnectInterface pThis=%p pvIf=%p\n", pThis, pvIf)); int rc = VINF_SUCCESS; /* * If the underlying interface is a physical interface or a VNIC template, we need to create * a VNIC per guest NIC. */ if ( !pThis->u.s.fIsVNIC || pThis->u.s.fIsVNICTemplate) { PVBOXNETFLTVNIC pVNIC = NULL; rc = vboxNetFltSolarisCreateVNIC(pThis, &pVNIC); if (RT_SUCCESS(rc)) { /* * VM Interface<->VNIC association so that we can Xmit/Recv on the right ones. */ pVNIC->pvIf = pvIf; *ppvIfData = pVNIC; /* * Add the created VNIC to the list of VNICs we manage. */ list_insert_tail(&pThis->u.s.hVNICs, pVNIC); return VINF_SUCCESS; } else LogRel((DEVICE_NAME ":vboxNetFltPortOsConnectInterface failed to create VNIC rc=%d\n", rc)); } else { /* * This is a VNIC passed to us, use it directly. */ PVBOXNETFLTVNIC pVNIC = vboxNetFltSolarisAllocVNIC(); if (RT_LIKELY(pVNIC)) { pVNIC->fCreated = false; rc = mac_open_by_linkname(pThis->szName, &pVNIC->hInterface); if (!rc) { /* * Obtain the data link ID for this VNIC, it's needed for modifying the MAC address among other things. */ rc = vboxNetFltSolarisGetLinkId(pThis->szName, &pVNIC->hLinkId); if (RT_SUCCESS(rc)) { /* * Initialize the VNIC and add it to the list of managed VNICs. */ RTStrPrintf(pVNIC->szName, sizeof(pVNIC->szName), "%s", pThis->szName); rc = vboxNetFltSolarisInitVNIC(pThis, pVNIC); if (!rc) { pVNIC->pvIf = pvIf; *ppvIfData = pVNIC; list_insert_head(&pThis->u.s.hVNICs, pVNIC); return VINF_SUCCESS; } else LogRel((DEVICE_NAME ":vboxNetFltPortOsConnectInterface failed to initialize VNIC. rc=%d\n", rc)); } else { LogRel((DEVICE_NAME ":vboxNetFltPortOsConnectInterface failed to get link id for '%s'. rc=%d\n", pThis->szName, rc)); } } else { LogRel((DEVICE_NAME ":vboxNetFltPortOsConnectInterface failed to open VNIC '%s'. rc=%d\n", pThis->szName, rc)); rc = VERR_OPEN_FAILED; } vboxNetFltSolarisFreeVNIC(pVNIC); } else { LogRel((DEVICE_NAME ":vboxNetFltOsInitInstance failed to allocate VNIC private data.\n")); rc = VERR_NO_MEMORY; } } return rc; } int vboxNetFltPortOsDisconnectInterface(PVBOXNETFLTINS pThis, void *pvIfData) { Log((DEVICE_NAME ":vboxNetFltPortOsDisconnectInterface pThis=%p\n", pThis)); /* * It is possible we get called when vboxNetFltPortOsConnectInterface() didn't succeed * in which case pvIfData will be NULL. See intnetR0NetworkCreateIf() pfnConnectInterface call * through reference counting in SUPR0ObjRelease() for the "pIf" object. */ PVBOXNETFLTVNIC pVNIC = pvIfData; if (RT_LIKELY(pVNIC)) { AssertMsgReturn(pVNIC->u32Magic == VBOXNETFLTVNIC_MAGIC, ("Invalid magic=%#x (expected %#x)\n", pVNIC->u32Magic, VBOXNETFLTVNIC_MAGIC), VERR_INVALID_POINTER); /* * If the underlying interface is a physical interface or a VNIC template, we need to delete the created VNIC. */ if ( !pThis->u.s.fIsVNIC || pThis->u.s.fIsVNICTemplate) { /* * Remove the VNIC from the list, destroy and free it. */ list_remove(&pThis->u.s.hVNICs, pVNIC); Log((DEVICE_NAME ":vboxNetFltPortOsDisconnectInterface destroying pVNIC=%p\n", pVNIC)); vboxNetFltSolarisDestroyVNIC(pVNIC); vboxNetFltSolarisFreeVNIC(pVNIC); } } return VINF_SUCCESS; }