void
efe_mii_notify(void *arg, link_state_t link)
{
efe_t *efep = arg;
mac_link_update(efep->efe_mh, link);
}
static void
pcn_mii_notify(void *arg, link_state_t link)
{
pcn_t *pcnp = (pcn_t *)arg;
mac_link_update(pcnp->pcn_mh, link);
}
/**
* Virtio Net device attach rountine.
*
* @param pDevice Pointer to the Virtio device instance.
*
* @return corresponding solaris error code.
*/
static int VirtioNetDevAttach(PVIRTIODEVICE pDevice)
{
LogFlowFunc((VIRTIOLOGNAME ":VirtioNetDevAttach pDevice=%p\n", pDevice));
virtio_net_t *pNet = pDevice->pvDevice;
mac_register_t *pMacRegHandle = mac_alloc(MAC_VERSION);
if (pMacRegHandle)
{
pMacRegHandle->m_driver = pDevice;
pMacRegHandle->m_dip = pDevice->pDip;
pMacRegHandle->m_callbacks = &g_VirtioNetCallbacks;
pMacRegHandle->m_type_ident = MAC_PLUGIN_IDENT_ETHER;
pMacRegHandle->m_min_sdu = 0;
pMacRegHandle->m_max_sdu = 1500; /* @todo verify */
/* @todo should we set the margin size? */
pMacRegHandle->m_src_addr = pNet->MacAddr.au8;
/*
* Get MAC from the host or generate a random MAC address.
*/
if (pDevice->fHostFeatures & VIRTIO_NET_MAC)
{
pDevice->pHyperOps->pfnGet(pDevice, 0 /* offset */, &pNet->MacAddr.au8, sizeof(pNet->MacAddr));
LogFlow((VIRTIOLOGNAME ":VirtioNetDevAttach: Obtained MAC address from host: %.6Rhxs\n", pNet->MacAddr.au8));
}
else
{
pNet->MacAddr.au8[0] = 0x08;
pNet->MacAddr.au8[1] = 0x00;
pNet->MacAddr.au8[2] = 0x27;
RTRandBytes(&pNet->MacAddr.au8[3], 3);
LogFlow((VIRTIOLOGNAME ":VirtioNetDevAttach: Generated MAC address %.6Rhxs\n", pNet->MacAddr.au8));
}
int rc = VirtioNetAttachQueues(pDevice);
if (rc == DDI_SUCCESS)
{
rc = mac_register(pMacRegHandle, &pNet->hMac);
if (rc == 0)
{
mac_link_update(pNet->hMac, LINK_STATE_DOWN);
mac_free(pMacRegHandle);
LogFlow((VIRTIOLOGNAME ":VirtioNetDevAttach: successfully registered mac.\n"));
return DDI_SUCCESS;
}
else
LogRel((VIRTIOLOGNAME ":VirtioNetDevAttach: mac_register failed. rc=%d\n", rc));
VirtioNetDetachQueues(pDevice);
}
else
LogRel((VIRTIOLOGNAME ":VirtioNetDevAttach: VirtioNetAttachQueues failed. rc=%d\n", rc));
mac_free(pMacRegHandle);
}
else
LogRel((VIRTIOLOGNAME ":VirtioNetDevAttach: mac_alloc failed. Invalid version!?!\n"));
return DDI_FAILURE;
}
int
oce_start(struct oce_dev *dev)
{
int qidx = 0;
struct link_status link = {0};
/* get link status */
(void) oce_get_link_status(dev, &link);
dev->link_status = (link.logical_link_status == NTWK_LOGICAL_LINK_UP) ?
LINK_STATE_UP : LINK_STATE_DOWN;
dev->link_speed = link.qos_link_speed ? link.qos_link_speed * 10 :
pow10[link.mac_speed];
mac_link_update(dev->mac_handle, dev->link_status);
for (qidx = 0; qidx < dev->nwqs; qidx++) {
(void) oce_start_wq(dev->wq[qidx]);
}
for (qidx = 0; qidx < dev->nrqs; qidx++) {
(void) oce_start_rq(dev->rq[qidx]);
}
(void) oce_start_mq(dev->mq);
/* enable interrupts */
oce_ei(dev);
/* arm the eqs */
for (qidx = 0; qidx < dev->neqs; qidx++) {
oce_arm_eq(dev, dev->eq[qidx]->eq_id, 0, B_TRUE, B_FALSE);
}
/* TODO update state */
return (DDI_SUCCESS);
} /* oce_start */
static uint_t
virtionet_intr(caddr_t arg1, caddr_t arg2)
{
virtionet_state_t *sp = (virtionet_state_t *)arg1;
uint8_t intr;
/* Autoclears the ISR */
intr = VIRTIO_ISR(sp);
cmn_err(CE_NOTE, "intr=0x%X", (int)intr);
if (intr) {
if (intr & VIRTIO_ISR_VQ) {
/* VQ update */
intr &= (~VIRTIO_ISR_VQ);
virtionet_check_vq(sp, sp->rxq);
virtionet_check_vq(sp, sp->txq);
virtionet_check_vq(sp, sp->ctlq);
}
if (intr & VIRTIO_ISR_CFG) {
/* Configuration update */
intr &= (~VIRTIO_ISR_CFG);
mac_link_update(sp->mh, virtionet_link_status(sp));
}
/* Let us know if there is still something interrupting */
if (intr) {
cmn_err(CE_WARN, "Unknown interrupt 0x%X", intr);
}
return (DDI_INTR_CLAIMED);
} else {
return (DDI_INTR_UNCLAIMED);
}
}
/**
* Virtio Net Start.
*
* @param pvArg Pointer to private data.
*
* @return corresponding solaris error code.
*/
static int VirtioNetStart(void *pvArg)
{
PVIRTIODEVICE pDevice = pvArg;
virtio_net_t *pNet = pDevice->pvDevice;
mac_link_update(pNet->hMac, LINK_STATE_UP);
pDevice->pHyperOps->pfnSetStatus(pDevice, VIRTIO_PCI_STATUS_DRV_OK);
return 0;
}
/**
* Virtio Net Stop.
*
* @param pvArg Pointer to private data.
*/
static void VirtioNetStop(void *pvArg)
{
PVIRTIODEVICE pDevice = pvArg;
virtio_net_t *pNet = pDevice->pvDevice;
mac_link_update(pNet->hMac, LINK_STATE_DOWN);
/*
* I don't think we should set status here as the host checks the status on every Xmit. This means pending Xmits
* would also be dropped.
* @todo: Not sure what's the best way to signal connect/disconnect of the link to the host. Figure it out.
*/
}
static int
virtionet_start(void *arg)
{
virtionet_state_t *sp = arg;
cmn_err(CE_CONT, "virtionet_start\n");
VIRTIO_DEV_DRIVER_OK(sp);
mac_link_update(sp->mh, virtionet_link_status(sp));
return (0);
}
/* called with Tx/Rx comp locks held */
void
oce_stop(struct oce_dev *dev)
{
int qidx;
/* disable interrupts */
oce_di(dev);
for (qidx = 0; qidx < dev->nwqs; qidx++) {
mutex_enter(&dev->wq[qidx]->tx_lock);
}
mutex_enter(&dev->mq->lock);
/* complete the pending Tx */
for (qidx = 0; qidx < dev->nwqs; qidx++)
oce_clean_wq(dev->wq[qidx]);
/* Release all the locks */
mutex_exit(&dev->mq->lock);
for (qidx = 0; qidx < dev->nwqs; qidx++)
mutex_exit(&dev->wq[qidx]->tx_lock);
if (dev->link_status == LINK_STATE_UP) {
dev->link_status = LINK_STATE_UNKNOWN;
mac_link_update(dev->mac_handle, dev->link_status);
}
} /* oce_stop */
static void
vnic_notify_cb(void *arg, mac_notify_type_t type)
{
vnic_t *vnic = arg;
/*
* Do not deliver notifications if the vnic is not fully initialized
* or is in process of being torn down.
*/
if (!vnic->vn_enabled)
return;
switch (type) {
case MAC_NOTE_UNICST:
/*
* Only the VLAN VNIC needs to be notified with primary MAC
* address change.
*/
if (vnic->vn_addr_type != VNIC_MAC_ADDR_TYPE_PRIMARY)
return;
/* the unicast MAC address value */
mac_unicast_primary_get(vnic->vn_lower_mh, vnic->vn_addr);
/* notify its upper layer MAC about MAC address change */
mac_unicst_update(vnic->vn_mh, (const uint8_t *)vnic->vn_addr);
break;
case MAC_NOTE_LINK:
mac_link_update(vnic->vn_mh,
mac_client_stat_get(vnic->vn_mch, MAC_STAT_LINK_STATE));
break;
default:
break;
}
}
/* ARGSUSED */
int
vnic_dev_create(datalink_id_t vnic_id, datalink_id_t linkid,
vnic_mac_addr_type_t *vnic_addr_type, int *mac_len, uchar_t *mac_addr,
int *mac_slot, uint_t mac_prefix_len, uint16_t vid, vrid_t vrid,
int af, mac_resource_props_t *mrp, uint32_t flags, vnic_ioc_diag_t *diag,
cred_t *credp)
{
vnic_t *vnic;
mac_register_t *mac;
int err;
boolean_t is_anchor = ((flags & VNIC_IOC_CREATE_ANCHOR) != 0);
char vnic_name[MAXNAMELEN];
const mac_info_t *minfop;
uint32_t req_hwgrp_flag = B_FALSE;
*diag = VNIC_IOC_DIAG_NONE;
rw_enter(&vnic_lock, RW_WRITER);
/* does a VNIC with the same id already exist? */
err = mod_hash_find(vnic_hash, VNIC_HASH_KEY(vnic_id),
(mod_hash_val_t *)&vnic);
if (err == 0) {
rw_exit(&vnic_lock);
return (EEXIST);
}
vnic = kmem_cache_alloc(vnic_cache, KM_NOSLEEP);
if (vnic == NULL) {
rw_exit(&vnic_lock);
return (ENOMEM);
}
bzero(vnic, sizeof (*vnic));
vnic->vn_id = vnic_id;
vnic->vn_link_id = linkid;
vnic->vn_vrid = vrid;
vnic->vn_af = af;
if (!is_anchor) {
if (linkid == DATALINK_INVALID_LINKID) {
err = EINVAL;
goto bail;
}
/*
* Open the lower MAC and assign its initial bandwidth and
* MAC address. We do this here during VNIC creation and
* do not wait until the upper MAC client open so that we
* can validate the VNIC creation parameters (bandwidth,
* MAC address, etc) and reserve a factory MAC address if
* one was requested.
*/
err = mac_open_by_linkid(linkid, &vnic->vn_lower_mh);
if (err != 0)
goto bail;
/*
* VNIC(vlan) over VNICs(vlans) is not supported.
*/
if (mac_is_vnic(vnic->vn_lower_mh)) {
err = EINVAL;
goto bail;
}
/* only ethernet support for now */
minfop = mac_info(vnic->vn_lower_mh);
if (minfop->mi_nativemedia != DL_ETHER) {
err = ENOTSUP;
goto bail;
}
(void) dls_mgmt_get_linkinfo(vnic_id, vnic_name, NULL, NULL,
NULL);
err = mac_client_open(vnic->vn_lower_mh, &vnic->vn_mch,
vnic_name, MAC_OPEN_FLAGS_IS_VNIC);
if (err != 0)
goto bail;
/* assign a MAC address to the VNIC */
err = vnic_unicast_add(vnic, *vnic_addr_type, mac_slot,
mac_prefix_len, mac_len, mac_addr, flags, diag, vid,
req_hwgrp_flag);
if (err != 0) {
vnic->vn_muh = NULL;
if (diag != NULL && req_hwgrp_flag)
*diag = VNIC_IOC_DIAG_NO_HWRINGS;
goto bail;
}
/* register to receive notification from underlying MAC */
vnic->vn_mnh = mac_notify_add(vnic->vn_lower_mh, vnic_notify_cb,
vnic);
*vnic_addr_type = vnic->vn_addr_type;
vnic->vn_addr_len = *mac_len;
vnic->vn_vid = vid;
bcopy(mac_addr, vnic->vn_addr, vnic->vn_addr_len);
if (vnic->vn_addr_type == VNIC_MAC_ADDR_TYPE_FACTORY)
vnic->vn_slot_id = *mac_slot;
/*
* Set the initial VNIC capabilities. If the VNIC is created
* over MACs which does not support nactive vlan, disable
* VNIC's hardware checksum capability if its VID is not 0,
* since the underlying MAC would get the hardware checksum
* offset wrong in case of VLAN packets.
*/
if (vid == 0 || !mac_capab_get(vnic->vn_lower_mh,
MAC_CAPAB_NO_NATIVEVLAN, NULL)) {
if (!mac_capab_get(vnic->vn_lower_mh, MAC_CAPAB_HCKSUM,
&vnic->vn_hcksum_txflags))
vnic->vn_hcksum_txflags = 0;
} else {
vnic->vn_hcksum_txflags = 0;
}
}
/* register with the MAC module */
if ((mac = mac_alloc(MAC_VERSION)) == NULL)
goto bail;
mac->m_type_ident = MAC_PLUGIN_IDENT_ETHER;
mac->m_driver = vnic;
mac->m_dip = vnic_get_dip();
mac->m_instance = (uint_t)-1;
mac->m_src_addr = vnic->vn_addr;
mac->m_callbacks = &vnic_m_callbacks;
if (!is_anchor) {
/*
* If this is a VNIC based VLAN, then we check for the
* margin unless it has been created with the force
* flag. If we are configuring a VLAN over an etherstub,
* we don't check the margin even if force is not set.
*/
if (vid == 0 || (flags & VNIC_IOC_CREATE_FORCE) != 0) {
if (vid != VLAN_ID_NONE)
vnic->vn_force = B_TRUE;
/*
* As the current margin size of the underlying mac is
* used to determine the margin size of the VNIC
* itself, request the underlying mac not to change
* to a smaller margin size.
*/
err = mac_margin_add(vnic->vn_lower_mh,
&vnic->vn_margin, B_TRUE);
ASSERT(err == 0);
} else {
vnic->vn_margin = VLAN_TAGSZ;
err = mac_margin_add(vnic->vn_lower_mh,
&vnic->vn_margin, B_FALSE);
if (err != 0) {
mac_free(mac);
if (diag != NULL)
*diag = VNIC_IOC_DIAG_MACMARGIN_INVALID;
goto bail;
}
}
mac_sdu_get(vnic->vn_lower_mh, &mac->m_min_sdu,
&mac->m_max_sdu);
err = mac_mtu_add(vnic->vn_lower_mh, &mac->m_max_sdu, B_FALSE);
if (err != 0) {
VERIFY(mac_margin_remove(vnic->vn_lower_mh,
vnic->vn_margin) == 0);
mac_free(mac);
if (diag != NULL)
*diag = VNIC_IOC_DIAG_MACMTU_INVALID;
goto bail;
}
vnic->vn_mtu = mac->m_max_sdu;
} else {
vnic->vn_margin = VLAN_TAGSZ;
mac->m_min_sdu = 1;
mac->m_max_sdu = ANCHOR_VNIC_MAX_MTU;
vnic->vn_mtu = ANCHOR_VNIC_MAX_MTU;
}
mac->m_margin = vnic->vn_margin;
err = mac_register(mac, &vnic->vn_mh);
mac_free(mac);
if (err != 0) {
if (!is_anchor) {
VERIFY(mac_mtu_remove(vnic->vn_lower_mh,
vnic->vn_mtu) == 0);
VERIFY(mac_margin_remove(vnic->vn_lower_mh,
vnic->vn_margin) == 0);
}
goto bail;
}
/* Set the VNIC's MAC in the client */
if (!is_anchor) {
mac_set_upper_mac(vnic->vn_mch, vnic->vn_mh, mrp);
if (mrp != NULL) {
if ((mrp->mrp_mask & MRP_RX_RINGS) != 0 ||
(mrp->mrp_mask & MRP_TX_RINGS) != 0) {
req_hwgrp_flag = B_TRUE;
}
err = mac_client_set_resources(vnic->vn_mch, mrp);
if (err != 0) {
VERIFY(mac_mtu_remove(vnic->vn_lower_mh,
vnic->vn_mtu) == 0);
VERIFY(mac_margin_remove(vnic->vn_lower_mh,
vnic->vn_margin) == 0);
(void) mac_unregister(vnic->vn_mh);
goto bail;
}
}
}
err = dls_devnet_create(vnic->vn_mh, vnic->vn_id, crgetzoneid(credp));
if (err != 0) {
VERIFY(is_anchor || mac_margin_remove(vnic->vn_lower_mh,
vnic->vn_margin) == 0);
if (!is_anchor) {
VERIFY(mac_mtu_remove(vnic->vn_lower_mh,
vnic->vn_mtu) == 0);
VERIFY(mac_margin_remove(vnic->vn_lower_mh,
vnic->vn_margin) == 0);
}
(void) mac_unregister(vnic->vn_mh);
goto bail;
}
/* add new VNIC to hash table */
err = mod_hash_insert(vnic_hash, VNIC_HASH_KEY(vnic_id),
(mod_hash_val_t)vnic);
ASSERT(err == 0);
vnic_count++;
/*
* Now that we've enabled this VNIC, we should go through and update the
* link state by setting it to our parents.
*/
vnic->vn_enabled = B_TRUE;
if (is_anchor) {
mac_link_update(vnic->vn_mh, LINK_STATE_UP);
} else {
mac_link_update(vnic->vn_mh,
mac_client_stat_get(vnic->vn_mch, MAC_STAT_LINK_STATE));
}
rw_exit(&vnic_lock);
return (0);
bail:
rw_exit(&vnic_lock);
if (!is_anchor) {
if (vnic->vn_mnh != NULL)
(void) mac_notify_remove(vnic->vn_mnh, B_TRUE);
if (vnic->vn_muh != NULL)
(void) mac_unicast_remove(vnic->vn_mch, vnic->vn_muh);
if (vnic->vn_mch != NULL)
mac_client_close(vnic->vn_mch, MAC_CLOSE_FLAGS_IS_VNIC);
if (vnic->vn_lower_mh != NULL)
mac_close(vnic->vn_lower_mh);
}
kmem_cache_free(vnic_cache, vnic);
return (err);
}
uint_t
rge_chip_factotum(caddr_t arg1, caddr_t arg2)
{
rge_t *rgep;
uint_t result;
boolean_t error;
boolean_t linkchg;
rgep = (rge_t *)arg1;
_NOTE(ARGUNUSED(arg2))
if (rgep->factotum_flag == 0)
return (DDI_INTR_UNCLAIMED);
rgep->factotum_flag = 0;
result = DDI_INTR_CLAIMED;
error = B_FALSE;
linkchg = B_FALSE;
mutex_enter(rgep->genlock);
switch (rgep->rge_chip_state) {
default:
break;
case RGE_CHIP_RUNNING:
linkchg = rge_factotum_link_check(rgep);
error = rge_factotum_stall_check(rgep);
break;
case RGE_CHIP_ERROR:
error = B_TRUE;
break;
case RGE_CHIP_FAULT:
/*
* Fault detected, time to reset ...
*/
if (rge_autorecover) {
RGE_REPORT((rgep, "automatic recovery activated"));
rge_restart(rgep);
}
break;
}
/*
* If an error is detected, stop the chip now, marking it as
* faulty, so that it will be reset next time through ...
*/
if (error)
rge_chip_stop(rgep, B_TRUE);
mutex_exit(rgep->genlock);
/*
* If the link state changed, tell the world about it.
* Note: can't do this while still holding the mutex.
*/
if (linkchg)
mac_link_update(rgep->mh, rgep->param_link_up);
return (result);
}