/*
* attach(9E) -- Attach a device to the system
*
* Called once for each board successfully probed.
*/
static int
SMCG_attach(dev_info_t *devinfo, ddi_attach_cmd_t cmd)
{
gld_mac_info_t *macinfo;
Adapter_Struc *pAd;
smcg_t *smcg;
int rc;
ddi_acc_handle_t pcihandle;
#ifdef DEBUG
if (SMCG_debug & SMCGDDI)
cmn_err(CE_CONT, SMCG_NAME "_attach(0x%p)", (void *)devinfo);
#endif
if (cmd != DDI_ATTACH)
return (DDI_FAILURE);
/*
* Allocate gld_mac_info_t and Lower MAC Adapter_Struc structures
*/
if ((macinfo = gld_mac_alloc(devinfo)) == NULL)
return (DDI_FAILURE);
if ((pAd = kmem_zalloc(sizeof (Adapter_Struc), KM_NOSLEEP)) == NULL) {
gld_mac_free(macinfo);
return (DDI_FAILURE);
}
if ((smcg = kmem_zalloc(sizeof (smcg_t), KM_NOSLEEP)) == NULL) {
gld_mac_free(macinfo);
kmem_free(pAd, sizeof (Adapter_Struc));
return (DDI_FAILURE);
}
pAd->pc_bus = SMCG_PCI_BUS;
/* create pci handle for UM_PCI_Service */
if (pci_config_setup(devinfo, (ddi_acc_handle_t *)&pcihandle)
!= DDI_SUCCESS) {
goto attach_fail_cleanup;
}
/*
* Query the LMAC for the device information
*/
pAd->pcihandle = (void *) pcihandle;
rc = LM_GetCnfg(pAd);
pci_config_teardown((ddi_acc_handle_t *)&pcihandle);
pAd->pcihandle = NULL;
if (rc != ADAPTER_AND_CONFIG) {
cmn_err(CE_WARN,
SMCG_NAME "_attach: LM_GetCnfg failed (0x%x)", rc);
goto attach_fail_cleanup;
}
/*
* Initialize pointers to device specific functions which will be
* used by the generic layer.
*/
macinfo->gldm_reset = SMCG_reset;
macinfo->gldm_start = SMCG_start_board;
macinfo->gldm_stop = SMCG_stop_board;
macinfo->gldm_set_mac_addr = SMCG_set_mac_addr;
macinfo->gldm_set_multicast = SMCG_set_multicast;
macinfo->gldm_set_promiscuous = SMCG_set_promiscuous;
macinfo->gldm_get_stats = SMCG_get_stats;
macinfo->gldm_send = SMCG_send;
macinfo->gldm_intr = SMCG_intr;
macinfo->gldm_ioctl = NULL;
/*
* Initialize board characteristics needed by the generic layer.
*/
macinfo->gldm_ident = SMCG_IDENT;
macinfo->gldm_type = DL_ETHER;
macinfo->gldm_minpkt = 0; /* assumes we pad ourselves */
macinfo->gldm_maxpkt = SMCGMAXPKT;
macinfo->gldm_addrlen = ETHERADDRL;
macinfo->gldm_saplen = -2;
macinfo->gldm_ppa = ddi_get_instance(devinfo);
pAd->receive_mask = ACCEPT_BROADCAST;
pAd->max_packet_size = SMMAXPKT;
macinfo->gldm_broadcast_addr = SMCG_broadcastaddr;
/* Get the board's vendor-assigned hardware network address. */
LM_Get_Addr(pAd);
macinfo->gldm_vendor_addr = (unsigned char *)pAd->node_address;
/* Link macinfo, smcg, and LMAC Adapter Structs */
macinfo->gldm_private = (caddr_t)smcg;
pAd->sm_private = (void *)smcg;
smcg->smcg_pAd = pAd;
smcg->smcg_macinfo = macinfo;
pAd->ptr_rx_CRC_errors = &smcg->rx_CRC_errors;
pAd->ptr_rx_too_big = &smcg->rx_too_big;
pAd->ptr_rx_lost_pkts = &smcg->rx_lost_pkts;
pAd->ptr_rx_align_errors = &smcg->rx_align_errors;
pAd->ptr_rx_overruns = &smcg->rx_overruns;
pAd->ptr_tx_deferred = &smcg->tx_deferred;
pAd->ptr_tx_total_collisions = &smcg->tx_total_collisions;
pAd->ptr_tx_max_collisions = &smcg->tx_max_collisions;
pAd->ptr_tx_one_collision = &smcg->tx_one_collision;
pAd->ptr_tx_mult_collisions = &smcg->tx_mult_collisions;
pAd->ptr_tx_ow_collision = &smcg->tx_ow_collision;
pAd->ptr_tx_CD_heartbeat = &smcg->tx_CD_heartbeat;
pAd->ptr_tx_carrier_lost = &smcg->tx_carrier_lost;
pAd->ptr_tx_underruns = &smcg->tx_underruns;
pAd->ptr_ring_OVW = &smcg->ring_OVW;
macinfo->gldm_devinfo = smcg->smcg_devinfo = devinfo;
pAd->num_of_tx_buffs = ddi_getprop(DDI_DEV_T_ANY, devinfo,
DDI_PROP_DONTPASS, "num-tx-bufs", SMTRANSMIT_BUFS);
if (pAd->num_of_tx_buffs > SMCG_MAX_TXDESCS) {
pAd->num_of_tx_buffs = SMCG_MAX_TXDESCS;
cmn_err(CE_WARN, SMCG_NAME
"Max number_of_tx_buffs is %d", SMCG_MAX_TXDESCS);
}
if (pAd->num_of_tx_buffs < 2) {
pAd->num_of_tx_buffs = 2;
}
pAd->num_of_rx_buffs = ddi_getprop(DDI_DEV_T_ANY, devinfo,
DDI_PROP_DONTPASS, "num-rx-bufs", SMRECEIVE_BUFS);
if (pAd->num_of_rx_buffs > SMCG_MAX_RXDESCS) {
pAd->num_of_rx_buffs = SMCG_MAX_RXDESCS;
cmn_err(CE_WARN, SMCG_NAME
"Max number_of_rx_buffs is %d", SMCG_MAX_RXDESCS);
}
if (pAd->num_of_rx_buffs < 2) {
pAd->num_of_rx_buffs = 2;
}
if (ddi_get_iblock_cookie(devinfo, 0, &macinfo->gldm_cookie)
!= DDI_SUCCESS)
goto attach_fail_cleanup;
/*
* rbuf_lock Protects receive data structures
* txbuf_lock Protects transmit data structures
* lm_lock Protects all calls to LMAC layer
* rlist_lock Protects receive buffer list
* Note: Locks should be acquired in the above order.
*/
mutex_init(&smcg->rbuf_lock, NULL, MUTEX_DRIVER, NULL);
mutex_init(&smcg->txbuf_lock, NULL, MUTEX_DRIVER, NULL);
mutex_init(&smcg->lm_lock, NULL, MUTEX_DRIVER, NULL);
mutex_init(&smcg->rlist_lock, NULL, MUTEX_DRIVER, NULL);
/*
* SMCG_dma_alloc is called before it is possible to get
* any interrupts, send or receive packets... Therefore I'm
* not going to take rlist_lock for it.
*/
if (SMCG_dma_alloc(smcg) != DDI_SUCCESS)
goto attach_fail_cleanup1;
#ifdef SAFE
LM_Reset_Adapter(pAd);
#endif
/* Add the interrupt handler */
if (ddi_add_intr(devinfo, 0, NULL, NULL, gld_intr, (caddr_t)macinfo)
!= DDI_SUCCESS) {
SMCG_dma_unalloc(smcg);
goto attach_fail_cleanup1;
}
/*
* Register ourselves with the GLD interface
*
* gld_register will:
* link us with the GLD system;
* create the minor node.
*/
if (gld_register(devinfo, SMCG_NAME, macinfo) != DDI_SUCCESS) {
ddi_remove_intr(devinfo, 0, macinfo->gldm_cookie);
SMCG_dma_unalloc(smcg);
goto attach_fail_cleanup1;
}
return (DDI_SUCCESS);
attach_fail_cleanup1:
mutex_destroy(&smcg->rbuf_lock);
mutex_destroy(&smcg->txbuf_lock);
mutex_destroy(&smcg->lm_lock);
mutex_destroy(&smcg->rlist_lock);
attach_fail_cleanup:
kmem_free(pAd, sizeof (Adapter_Struc));
kmem_free(smcg, sizeof (smcg_t));
gld_mac_free(macinfo);
return (DDI_FAILURE);
}
/**
* 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;
}
}