/* -----------------------------------------------------------------------------
attach the PPPx interface ifp to the network protocol IP,
called when the ppp interface is ready for ppp traffic
----------------------------------------------------------------------------- */
errno_t ppp_ip_attach(ifnet_t ifp, protocol_family_t protocol)
{
int ret;
struct ifnet_attach_proto_param reg;
struct ppp_if *wan = (struct ppp_if *)ifnet_softc(ifp);
LOGDBG(ifp, ("ppp_ip_attach: name = %s, unit = %d\n", ifnet_name(ifp), ifnet_unit(ifp)));
if (wan->ip_attached)
return 0; // already attached
bzero(®, sizeof(struct ifnet_attach_proto_param));
reg.input = ppp_ip_input;
reg.pre_output = ppp_ip_preoutput;
reg.ioctl = ppp_ip_ioctl;
ret = ifnet_attach_protocol(ifp, PF_INET, ®);
LOGRETURN(ret, ret, "ppp_ip_attach: ifnet_attach_protocol error = 0x%x\n");
LOGDBG(ifp, ("ppp_i6_attach: ifnet_attach_protocol family = 0x%x\n", protocol));
ifnet_find_by_name("lo0", &wan->lo_ifp);
wan->ip_attached = 1;
return 0;
}
IOReturn darwin_iwi3945::enable( IONetworkInterface * netif )
{
if (!fifnet)
{
char ii[4];
sprintf(ii,"%s%d" ,fNetif->getNamePrefix(), fNetif->getUnitNumber());
ifnet_find_by_name(ii,&fifnet);
IWI_DEBUG("ifnet_t %s%d = %x\n",ifnet_name(fifnet),ifnet_unit(fifnet),fifnet);
struct ieee80211_local* loc=hw_to_local(priv->hw);
memcpy(&loc->mdev->name,ii,sizeof(ii));
loc->mdev->ifindex=fNetif->getUnitNumber();
priv->interface_id=fNetif->getUnitNumber();
}
if (firstifup==0)
{
firstifup=1;
return -1;
}
IWI_DEBUG("ifconfig up\n");
if ((fNetif->getFlags() & IFF_RUNNING)==0)
{
IWI_DEBUG("ifconfig going up\n ");
//super::enable(fNetif);
//fNetif->setPoweredOnByUser(true);
//fNetif->setLinkState(kIO80211NetworkLinkUp);
//(if_flags & ~mask) | (new_flags & mask) if mask has IFF_UP if_updown fires up (kpi_interface.c in xnu)
if (priv->status & STATUS_AUTH) ifnet_set_flags(fifnet, IFF_RUNNING, IFF_RUNNING );
//fNetif->inputEvent(kIONetworkEventTypeLinkUp,NULL);
fTransmitQueue->setCapacity(1024);
fTransmitQueue->service(IOBasicOutputQueue::kServiceAsync);
fTransmitQueue->start();
return kIOReturnSuccess;
}
else
{
IWI_DEBUG("ifconfig already up\n");
return kIOReturnExclusiveAccess;
}
}
/*---------------------------------------------------------------------------
* Enable the interface. There is some handling to ensure we use the correct MTU size based on all the interfaces that are enabled.
* We have to consider the case where the MTU value is not consistant across interfaces. In this case we use the minimum
---------------------------------------------------------------------------*/
kern_return_t EInterfaces::enable_interface(int nEthernetNumber)
{
char acBSDName[20];
kern_return_t retval;
ifnet_t enetifnet;
if ( nEthernetNumber>=MAX_SUPPORTED_ETHERNET_CONNETIONS )
{
debugError("Invalid ethernet port\n");
return -1;
}
debug("AOE_KEXT_NAME::enable_interface(port=%d)\n", nEthernetNumber);
// Create our BSD name to locate ifnet_t
snprintf(acBSDName, sizeof(acBSDName), "en%d", nEthernetNumber);
retval = ifnet_find_by_name(acBSDName, &enetifnet);
if (retval == KERN_SUCCESS)
enable_filtering(nEthernetNumber, enetifnet);
// Incremement the number of interfaces in use if it isn't already being used
if ( !m_aInterfaces[nEthernetNumber].m_fEnabled )
++m_nInterfacesInUse;
m_aInterfaces[nEthernetNumber].m_ifnet = enetifnet;
m_aInterfaces[nEthernetNumber].m_fEnabled = TRUE;
// Reset our CC/SS parameters
set_cwnd(m_aInterfaces[nEthernetNumber].m_ifnet, 1);
set_ssthresh(m_aInterfaces[nEthernetNumber].m_ifnet, m_aInterfaces[nEthernetNumber].get_max_outstanding_all_shelves()/2);
m_aInterfaces[nEthernetNumber].m_nOutstandingCount = 0;
debug("enable_interface(%d), %d interface(s) now in use\n", nEthernetNumber, m_nInterfacesInUse);
// Check the packet size based on the MTU of all the connected interfaces
recalculate_mtu();
// Set the properties to show the available interfaces
update_interface_property();
return retval;
}
static errno_t
utun_ctl_setopt(
__unused kern_ctl_ref kctlref,
__unused u_int32_t unit,
void *unitinfo,
int opt,
void *data,
size_t len)
{
struct utun_pcb *pcb = unitinfo;
errno_t result = 0;
/* check for privileges for privileged options */
switch (opt) {
case UTUN_OPT_FLAGS:
case UTUN_OPT_EXT_IFDATA_STATS:
case UTUN_OPT_SET_DELEGATE_INTERFACE:
if (kauth_cred_issuser(kauth_cred_get()) == 0) {
return EPERM;
}
break;
}
switch (opt) {
case UTUN_OPT_FLAGS:
if (len != sizeof(u_int32_t))
result = EMSGSIZE;
else
pcb->utun_flags = *(u_int32_t *)data;
break;
case UTUN_OPT_ENABLE_CRYPTO:
result = utun_ctl_enable_crypto(kctlref, unit, unitinfo, opt, data, len);
break;
case UTUN_OPT_CONFIG_CRYPTO_KEYS:
result = utun_ctl_config_crypto_keys(kctlref, unit, unitinfo, opt, data, len);
break;
case UTUN_OPT_UNCONFIG_CRYPTO_KEYS:
result = utun_ctl_unconfig_crypto_keys(kctlref, unit, unitinfo, opt, data, len);
break;
case UTUN_OPT_DISABLE_CRYPTO:
result = utun_ctl_disable_crypto(kctlref, unit, unitinfo, opt, data, len);
break;
case UTUN_OPT_STOP_CRYPTO_DATA_TRAFFIC:
result = utun_ctl_stop_crypto_data_traffic(kctlref, unit, unitinfo, opt, data, len);
break;
case UTUN_OPT_START_CRYPTO_DATA_TRAFFIC:
result = utun_ctl_start_crypto_data_traffic(kctlref, unit, unitinfo, opt, data, len);
break;
case UTUN_OPT_CONFIG_CRYPTO_FRAMER:
result = utun_ctl_config_crypto_framer(kctlref, unit, unitinfo, opt, data, len);
break;
case UTUN_OPT_UNCONFIG_CRYPTO_FRAMER:
result = utun_ctl_unconfig_crypto_framer(kctlref, unit, unitinfo, opt, data, len);
break;
case UTUN_OPT_EXT_IFDATA_STATS:
if (len != sizeof(int)) {
result = EMSGSIZE;
break;
}
pcb->utun_ext_ifdata_stats = (*(int *)data) ? 1 : 0;
break;
case UTUN_OPT_INC_IFDATA_STATS_IN:
case UTUN_OPT_INC_IFDATA_STATS_OUT: {
struct utun_stats_param *utsp = (struct utun_stats_param *)data;
if (utsp == NULL || len < sizeof(struct utun_stats_param)) {
result = EINVAL;
break;
}
if (!pcb->utun_ext_ifdata_stats) {
result = EINVAL;
break;
}
if (opt == UTUN_OPT_INC_IFDATA_STATS_IN)
ifnet_stat_increment_in(pcb->utun_ifp, utsp->utsp_packets,
utsp->utsp_bytes, utsp->utsp_errors);
else
ifnet_stat_increment_out(pcb->utun_ifp, utsp->utsp_packets,
utsp->utsp_bytes, utsp->utsp_errors);
break;
}
case UTUN_OPT_SET_DELEGATE_INTERFACE: {
ifnet_t del_ifp = NULL;
char name[IFNAMSIZ];
if (len > IFNAMSIZ - 1) {
result = EMSGSIZE;
break;
}
if (len != 0) { /* if len==0, del_ifp will be NULL causing the delegate to be removed */
bcopy(data, name, len);
name[len] = 0;
result = ifnet_find_by_name(name, &del_ifp);
}
if (result == 0) {
result = ifnet_set_delegate(pcb->utun_ifp, del_ifp);
if (del_ifp)
ifnet_release(del_ifp);
}
break;
}
default:
result = ENOPROTOOPT;
break;
}
return result;
}
static errno_t
utun_ctl_setopt(
__unused kern_ctl_ref kctlref,
__unused u_int32_t unit,
void *unitinfo,
int opt,
void *data,
size_t len)
{
struct utun_pcb *pcb = unitinfo;
errno_t result = 0;
/* check for privileges for privileged options */
switch (opt) {
case UTUN_OPT_FLAGS:
case UTUN_OPT_EXT_IFDATA_STATS:
case UTUN_OPT_SET_DELEGATE_INTERFACE:
if (kauth_cred_issuser(kauth_cred_get()) == 0) {
return EPERM;
}
break;
}
switch (opt) {
case UTUN_OPT_FLAGS:
if (len != sizeof(u_int32_t)) {
result = EMSGSIZE;
} else {
u_int32_t old_flags = pcb->utun_flags;
pcb->utun_flags = *(u_int32_t *)data;
if (((old_flags ^ pcb->utun_flags) & UTUN_FLAGS_ENABLE_PROC_UUID)) {
// If UTUN_FLAGS_ENABLE_PROC_UUID flag changed, update bpf
bpfdetach(pcb->utun_ifp);
bpfattach(pcb->utun_ifp, DLT_NULL, UTUN_HEADER_SIZE(pcb));
}
}
break;
case UTUN_OPT_EXT_IFDATA_STATS:
if (len != sizeof(int)) {
result = EMSGSIZE;
break;
}
pcb->utun_ext_ifdata_stats = (*(int *)data) ? 1 : 0;
break;
case UTUN_OPT_INC_IFDATA_STATS_IN:
case UTUN_OPT_INC_IFDATA_STATS_OUT: {
struct utun_stats_param *utsp = (struct utun_stats_param *)data;
if (utsp == NULL || len < sizeof(struct utun_stats_param)) {
result = EINVAL;
break;
}
if (!pcb->utun_ext_ifdata_stats) {
result = EINVAL;
break;
}
if (opt == UTUN_OPT_INC_IFDATA_STATS_IN)
ifnet_stat_increment_in(pcb->utun_ifp, utsp->utsp_packets,
utsp->utsp_bytes, utsp->utsp_errors);
else
ifnet_stat_increment_out(pcb->utun_ifp, utsp->utsp_packets,
utsp->utsp_bytes, utsp->utsp_errors);
break;
}
case UTUN_OPT_SET_DELEGATE_INTERFACE: {
ifnet_t del_ifp = NULL;
char name[IFNAMSIZ];
if (len > IFNAMSIZ - 1) {
result = EMSGSIZE;
break;
}
if (len != 0) { /* if len==0, del_ifp will be NULL causing the delegate to be removed */
bcopy(data, name, len);
name[len] = 0;
result = ifnet_find_by_name(name, &del_ifp);
}
if (result == 0) {
result = ifnet_set_delegate(pcb->utun_ifp, del_ifp);
if (del_ifp)
ifnet_release(del_ifp);
}
break;
}
case UTUN_OPT_MAX_PENDING_PACKETS: {
u_int32_t max_pending_packets = 0;
if (len != sizeof(u_int32_t)) {
result = EMSGSIZE;
break;
}
max_pending_packets = *(u_int32_t *)data;
if (max_pending_packets == 0) {
result = EINVAL;
break;
}
pcb->utun_max_pending_packets = max_pending_packets;
break;
}
default: {
result = ENOPROTOOPT;
break;
}
}
return result;
}
/**
* Internal worker for vboxNetFltOsInitInstance and vboxNetFltOsMaybeRediscovered.
*
* @returns VBox status code.
* @param pThis The instance.
* @param fRediscovery If set we're doing a rediscovery attempt, so, don't
* flood the release log.
*/
static int vboxNetFltDarwinAttachToInterface(PVBOXNETFLTINS pThis, bool fRediscovery)
{
LogFlow(("vboxNetFltDarwinAttachToInterface: pThis=%p (%s)\n", pThis, pThis->szName));
/*
* Locate the interface first.
*
* The pIfNet member is updated before iflt_attach is called and used
* to deal with the hypothetical case where someone rips out the
* interface immediately after our iflt_attach call.
*/
ifnet_t pIfNet = NULL;
errno_t err = ifnet_find_by_name(pThis->szName, &pIfNet);
if (err)
{
Assert(err == ENXIO);
if (!fRediscovery)
LogRel(("VBoxFltDrv: failed to find ifnet '%s' (err=%d)\n", pThis->szName, err));
else
Log(("VBoxFltDrv: failed to find ifnet '%s' (err=%d)\n", pThis->szName, err));
return VERR_INTNET_FLT_IF_NOT_FOUND;
}
RTSpinlockAcquire(pThis->hSpinlock);
ASMAtomicUoWritePtr(&pThis->u.s.pIfNet, pIfNet);
RTSpinlockReleaseNoInts(pThis->hSpinlock);
/*
* Get the mac address while we still have a valid ifnet reference.
*/
err = ifnet_lladdr_copy_bytes(pIfNet, &pThis->u.s.MacAddr, sizeof(pThis->u.s.MacAddr));
if (!err)
{
/*
* Try attach the filter.
*/
struct iff_filter RegRec;
RegRec.iff_cookie = pThis;
RegRec.iff_name = "VBoxNetFlt";
RegRec.iff_protocol = 0;
RegRec.iff_input = vboxNetFltDarwinIffInput;
RegRec.iff_output = vboxNetFltDarwinIffOutput;
RegRec.iff_event = vboxNetFltDarwinIffEvent;
RegRec.iff_ioctl = vboxNetFltDarwinIffIoCtl;
RegRec.iff_detached = vboxNetFltDarwinIffDetached;
interface_filter_t pIfFilter = NULL;
err = iflt_attach(pIfNet, &RegRec, &pIfFilter);
Assert(err || pIfFilter);
RTSpinlockAcquire(pThis->hSpinlock);
pIfNet = ASMAtomicUoReadPtrT(&pThis->u.s.pIfNet, ifnet_t);
if (pIfNet && !err)
{
ASMAtomicUoWriteBool(&pThis->fDisconnectedFromHost, false);
ASMAtomicUoWritePtr(&pThis->u.s.pIfFilter, pIfFilter);
pIfNet = NULL; /* don't dereference it */
}
RTSpinlockReleaseNoInts(pThis->hSpinlock);
/* Report capabilities. */
if ( !pIfNet
&& vboxNetFltTryRetainBusyNotDisconnected(pThis))
{
Assert(pThis->pSwitchPort);
pThis->pSwitchPort->pfnReportMacAddress(pThis->pSwitchPort, &pThis->u.s.MacAddr);
pThis->pSwitchPort->pfnReportPromiscuousMode(pThis->pSwitchPort, vboxNetFltDarwinIsPromiscuous(pThis));
pThis->pSwitchPort->pfnReportGsoCapabilities(pThis->pSwitchPort, 0, INTNETTRUNKDIR_WIRE | INTNETTRUNKDIR_HOST);
pThis->pSwitchPort->pfnReportNoPreemptDsts(pThis->pSwitchPort, 0 /* none */);
vboxNetFltRelease(pThis, true /*fBusy*/);
}
}
/* Release the interface on failure. */
if (pIfNet)
ifnet_release(pIfNet);
int rc = RTErrConvertFromErrno(err);
if (RT_SUCCESS(rc))
LogRel(("VBoxFltDrv: attached to '%s' / %.*Rhxs\n", pThis->szName, sizeof(pThis->u.s.MacAddr), &pThis->u.s.MacAddr));
else
LogRel(("VBoxFltDrv: failed to attach to ifnet '%s' (err=%d)\n", pThis->szName, err));
return rc;
}
static errno_t
ipsec_ctl_setopt(__unused kern_ctl_ref kctlref,
__unused u_int32_t unit,
void *unitinfo,
int opt,
void *data,
size_t len)
{
struct ipsec_pcb *pcb = unitinfo;
errno_t result = 0;
/* check for privileges for privileged options */
switch (opt) {
case IPSEC_OPT_FLAGS:
case IPSEC_OPT_EXT_IFDATA_STATS:
case IPSEC_OPT_SET_DELEGATE_INTERFACE:
case IPSEC_OPT_OUTPUT_TRAFFIC_CLASS:
if (kauth_cred_issuser(kauth_cred_get()) == 0) {
return EPERM;
}
break;
}
switch (opt) {
case IPSEC_OPT_FLAGS:
if (len != sizeof(u_int32_t))
result = EMSGSIZE;
else
pcb->ipsec_flags = *(u_int32_t *)data;
break;
case IPSEC_OPT_EXT_IFDATA_STATS:
if (len != sizeof(int)) {
result = EMSGSIZE;
break;
}
pcb->ipsec_ext_ifdata_stats = (*(int *)data) ? 1 : 0;
break;
case IPSEC_OPT_INC_IFDATA_STATS_IN:
case IPSEC_OPT_INC_IFDATA_STATS_OUT: {
struct ipsec_stats_param *utsp = (struct ipsec_stats_param *)data;
if (utsp == NULL || len < sizeof(struct ipsec_stats_param)) {
result = EINVAL;
break;
}
if (!pcb->ipsec_ext_ifdata_stats) {
result = EINVAL;
break;
}
if (opt == IPSEC_OPT_INC_IFDATA_STATS_IN)
ifnet_stat_increment_in(pcb->ipsec_ifp, utsp->utsp_packets,
utsp->utsp_bytes, utsp->utsp_errors);
else
ifnet_stat_increment_out(pcb->ipsec_ifp, utsp->utsp_packets,
utsp->utsp_bytes, utsp->utsp_errors);
break;
}
case IPSEC_OPT_SET_DELEGATE_INTERFACE: {
ifnet_t del_ifp = NULL;
char name[IFNAMSIZ];
if (len > IFNAMSIZ - 1) {
result = EMSGSIZE;
break;
}
if (len != 0) { /* if len==0, del_ifp will be NULL causing the delegate to be removed */
bcopy(data, name, len);
name[len] = 0;
result = ifnet_find_by_name(name, &del_ifp);
}
if (result == 0) {
result = ifnet_set_delegate(pcb->ipsec_ifp, del_ifp);
if (del_ifp)
ifnet_release(del_ifp);
}
break;
}
case IPSEC_OPT_OUTPUT_TRAFFIC_CLASS: {
if (len != sizeof(int)) {
result = EMSGSIZE;
break;
}
mbuf_svc_class_t output_service_class = so_tc2msc(*(int *)data);
if (output_service_class == MBUF_SC_UNSPEC) {
pcb->ipsec_output_service_class = MBUF_SC_OAM;
} else {
pcb->ipsec_output_service_class = output_service_class;
}
break;
}
default:
result = ENOPROTOOPT;
break;
}
return result;
}
////////////////////////////////////////////////////////////////////////////////
//
// firewire_frameout
//
// IN: ifnet_t ifp,struct mbuf **m
// IN: struct sockaddr *ndest - contains the destination IP Address
// IN: char *edst - filled by firewire_arpresolve function in if_firewire.c
// IN: char *fw_type
//
// Invoked by :
// dlil.c for dlil_output, Its called after inet_firewire_pre_output
//
// Encapsulate a packet of type family for the local net.
// Use trailer local net encapsulation if enough data in first
// packet leaves a multiple of 512 bytes of data in remainder.
//
////////////////////////////////////////////////////////////////////////////////
__private_extern__ int
firewire_frameout(ifnet_t ifp, mbuf_t *m,
const struct sockaddr *ndest, const char *edst, const char *fw_type)
{
register struct firewire_header *fwh;
/*
* If a simplex interface, and the packet is being sent to our
* Ethernet address or a broadcast address, loopback a copy.
* XXX To make a simplex device behave exactly like a duplex
* device, we should copy in the case of sending to our own
* ethernet address (thus letting the original actually appear
* on the wire). However, we don't do that here for security
* reasons and compatibility with the original behavior.
*/
if ((ifnet_flags(ifp) & IFF_SIMPLEX) &&
(mbuf_flags(*m) & MBUF_LOOP))
{
if (loop_ifp == NULL) {
ifnet_find_by_name("lo0", &loop_ifp);
/*
* We make an assumption here that lo0 will never go away. This
* means we don't have to worry about releasing the reference
* later and we don't have to worry about leaking a reference
* every time we are loaded.
*/
ifnet_release(loop_ifp);
}
if (loop_ifp)
{
if (mbuf_flags(*m) & MBUF_BCAST)
{
mbuf_t n;
if (mbuf_copym(*m, 0, MBUF_COPYALL, MBUF_WAITOK, &n) == 0)
ifnet_output(loop_ifp, PF_INET, n, 0, ndest);
}
else
{
if (bcmp(edst, ifnet_lladdr(ifp), FIREWIRE_ADDR_LEN) == 0)
{
ifnet_output(loop_ifp, PF_INET, *m, 0, ndest);
return EJUSTRETURN;
}
}
}
}
//
// Add local net header. If no space in first mbuf,
// allocate another.
//
if (mbuf_prepend(m, sizeof(struct firewire_header), MBUF_DONTWAIT) != 0)
return (EJUSTRETURN);
//
// Lets put this intelligent here into the mbuf
// so we can demux on our output path
//
fwh = (struct firewire_header*)mbuf_data(*m);
(void)memcpy(&fwh->fw_type, fw_type,sizeof(fwh->fw_type));
memcpy(fwh->fw_dhost, edst, FIREWIRE_ADDR_LEN);
(void)memcpy(fwh->fw_shost, ifnet_lladdr(ifp), sizeof(fwh->fw_shost));
return 0;
}
