156b2bdd1SGireesh Nagabhushana /*
256b2bdd1SGireesh Nagabhushana * This file and its contents are supplied under the terms of the
356b2bdd1SGireesh Nagabhushana * Common Development and Distribution License ("CDDL"), version 1.0.
456b2bdd1SGireesh Nagabhushana * You may only use this file in accordance with the terms of version
556b2bdd1SGireesh Nagabhushana * 1.0 of the CDDL.
656b2bdd1SGireesh Nagabhushana *
756b2bdd1SGireesh Nagabhushana * A full copy of the text of the CDDL should have accompanied this
856b2bdd1SGireesh Nagabhushana * source. A copy of the CDDL is also available via the Internet at
956b2bdd1SGireesh Nagabhushana * http://www.illumos.org/license/CDDL.
1056b2bdd1SGireesh Nagabhushana */
1156b2bdd1SGireesh Nagabhushana
1256b2bdd1SGireesh Nagabhushana /*
1356b2bdd1SGireesh Nagabhushana * This file is part of the Chelsio T4 support code.
1456b2bdd1SGireesh Nagabhushana *
1556b2bdd1SGireesh Nagabhushana * Copyright (C) 2011-2013 Chelsio Communications. All rights reserved.
1656b2bdd1SGireesh Nagabhushana *
1756b2bdd1SGireesh Nagabhushana * This program is distributed in the hope that it will be useful, but WITHOUT
1856b2bdd1SGireesh Nagabhushana * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1956b2bdd1SGireesh Nagabhushana * FITNESS FOR A PARTICULAR PURPOSE. See the LICENSE file included in this
2056b2bdd1SGireesh Nagabhushana * release for licensing terms and conditions.
2156b2bdd1SGireesh Nagabhushana */
2256b2bdd1SGireesh Nagabhushana
2356b2bdd1SGireesh Nagabhushana #include <sys/ddi.h>
2456b2bdd1SGireesh Nagabhushana #include <sys/sunddi.h>
2556b2bdd1SGireesh Nagabhushana #include <sys/modctl.h>
2656b2bdd1SGireesh Nagabhushana #include <sys/conf.h>
2756b2bdd1SGireesh Nagabhushana #include <sys/atomic.h>
2856b2bdd1SGireesh Nagabhushana #include <sys/ethernet.h>
2956b2bdd1SGireesh Nagabhushana #include <sys/mac_provider.h>
3056b2bdd1SGireesh Nagabhushana #include <sys/mac_ether.h>
3156b2bdd1SGireesh Nagabhushana
3256b2bdd1SGireesh Nagabhushana /*
3356b2bdd1SGireesh Nagabhushana * NOTE: The "real" NIC driver is in the nexus. This is just a thin wrapper
3456b2bdd1SGireesh Nagabhushana * whose only purpose is to register the mac.
3556b2bdd1SGireesh Nagabhushana */
3656b2bdd1SGireesh Nagabhushana #include "shared.h"
3756b2bdd1SGireesh Nagabhushana #include "version.h"
3856b2bdd1SGireesh Nagabhushana
3956b2bdd1SGireesh Nagabhushana struct port_info_stub {
4056b2bdd1SGireesh Nagabhushana PORT_INFO_HDR;
4156b2bdd1SGireesh Nagabhushana };
4256b2bdd1SGireesh Nagabhushana
4356b2bdd1SGireesh Nagabhushana static struct cb_ops cxgbe_cb_ops = {
4456b2bdd1SGireesh Nagabhushana .cb_open = nulldev,
4556b2bdd1SGireesh Nagabhushana .cb_close = nulldev,
4656b2bdd1SGireesh Nagabhushana .cb_strategy = nodev,
4756b2bdd1SGireesh Nagabhushana .cb_print = nodev,
4856b2bdd1SGireesh Nagabhushana .cb_dump = nodev,
4956b2bdd1SGireesh Nagabhushana .cb_read = nodev,
5056b2bdd1SGireesh Nagabhushana .cb_write = nodev,
5156b2bdd1SGireesh Nagabhushana .cb_ioctl = nodev,
5256b2bdd1SGireesh Nagabhushana .cb_devmap = nodev,
5356b2bdd1SGireesh Nagabhushana .cb_mmap = nodev,
5456b2bdd1SGireesh Nagabhushana .cb_segmap = nodev,
5556b2bdd1SGireesh Nagabhushana .cb_chpoll = nochpoll,
5656b2bdd1SGireesh Nagabhushana .cb_prop_op = ddi_prop_op,
5756b2bdd1SGireesh Nagabhushana .cb_flag = D_MP,
5856b2bdd1SGireesh Nagabhushana .cb_rev = CB_REV,
5956b2bdd1SGireesh Nagabhushana .cb_aread = nodev,
6056b2bdd1SGireesh Nagabhushana .cb_awrite = nodev
6156b2bdd1SGireesh Nagabhushana };
6256b2bdd1SGireesh Nagabhushana
6356b2bdd1SGireesh Nagabhushana static int cxgbe_devo_attach(dev_info_t *, ddi_attach_cmd_t);
6456b2bdd1SGireesh Nagabhushana static int cxgbe_devo_detach(dev_info_t *, ddi_detach_cmd_t);
6556b2bdd1SGireesh Nagabhushana struct dev_ops cxgbe_dev_ops = {
6656b2bdd1SGireesh Nagabhushana .devo_rev = DEVO_REV,
6756b2bdd1SGireesh Nagabhushana .devo_identify = nulldev,
6856b2bdd1SGireesh Nagabhushana .devo_probe = nulldev,
6956b2bdd1SGireesh Nagabhushana .devo_attach = cxgbe_devo_attach,
7056b2bdd1SGireesh Nagabhushana .devo_detach = cxgbe_devo_detach,
7156b2bdd1SGireesh Nagabhushana .devo_reset = nodev,
7256b2bdd1SGireesh Nagabhushana .devo_cb_ops = &cxgbe_cb_ops,
7356b2bdd1SGireesh Nagabhushana };
7456b2bdd1SGireesh Nagabhushana
7556b2bdd1SGireesh Nagabhushana static struct modldrv modldrv = {
7656b2bdd1SGireesh Nagabhushana .drv_modops = &mod_driverops,
77de483253SVishal Kulkarni .drv_linkinfo = "Chelsio T4/T5 NIC " DRV_VERSION,
7856b2bdd1SGireesh Nagabhushana .drv_dev_ops = &cxgbe_dev_ops
7956b2bdd1SGireesh Nagabhushana };
8056b2bdd1SGireesh Nagabhushana
8156b2bdd1SGireesh Nagabhushana static struct modlinkage modlinkage = {
8256b2bdd1SGireesh Nagabhushana .ml_rev = MODREV_1,
8356b2bdd1SGireesh Nagabhushana .ml_linkage = {&modldrv, NULL},
8456b2bdd1SGireesh Nagabhushana };
8556b2bdd1SGireesh Nagabhushana
8656b2bdd1SGireesh Nagabhushana int
_init(void)8756b2bdd1SGireesh Nagabhushana _init(void)
8856b2bdd1SGireesh Nagabhushana {
8956b2bdd1SGireesh Nagabhushana int rc;
9056b2bdd1SGireesh Nagabhushana
9156b2bdd1SGireesh Nagabhushana mac_init_ops(&cxgbe_dev_ops, T4_PORT_NAME);
9256b2bdd1SGireesh Nagabhushana rc = mod_install(&modlinkage);
9356b2bdd1SGireesh Nagabhushana if (rc != 0)
9456b2bdd1SGireesh Nagabhushana mac_fini_ops(&cxgbe_dev_ops);
9556b2bdd1SGireesh Nagabhushana
9656b2bdd1SGireesh Nagabhushana return (rc);
9756b2bdd1SGireesh Nagabhushana }
9856b2bdd1SGireesh Nagabhushana
9956b2bdd1SGireesh Nagabhushana int
_fini(void)10056b2bdd1SGireesh Nagabhushana _fini(void)
10156b2bdd1SGireesh Nagabhushana {
10256b2bdd1SGireesh Nagabhushana int rc;
10356b2bdd1SGireesh Nagabhushana
10456b2bdd1SGireesh Nagabhushana rc = mod_remove(&modlinkage);
10556b2bdd1SGireesh Nagabhushana if (rc != 0)
10656b2bdd1SGireesh Nagabhushana return (rc);
10756b2bdd1SGireesh Nagabhushana
10856b2bdd1SGireesh Nagabhushana mac_fini_ops(&cxgbe_dev_ops);
10956b2bdd1SGireesh Nagabhushana return (0);
11056b2bdd1SGireesh Nagabhushana }
11156b2bdd1SGireesh Nagabhushana
11256b2bdd1SGireesh Nagabhushana int
_info(struct modinfo * mi)11356b2bdd1SGireesh Nagabhushana _info(struct modinfo *mi)
11456b2bdd1SGireesh Nagabhushana {
11556b2bdd1SGireesh Nagabhushana return (mod_info(&modlinkage, mi));
11656b2bdd1SGireesh Nagabhushana }
11756b2bdd1SGireesh Nagabhushana
11856b2bdd1SGireesh Nagabhushana static int
cxgbe_devo_attach(dev_info_t * dip,ddi_attach_cmd_t cmd)11956b2bdd1SGireesh Nagabhushana cxgbe_devo_attach(dev_info_t *dip, ddi_attach_cmd_t cmd)
12056b2bdd1SGireesh Nagabhushana {
12156b2bdd1SGireesh Nagabhushana struct port_info_stub *pi;
12256b2bdd1SGireesh Nagabhushana mac_register_t *mac;
12356b2bdd1SGireesh Nagabhushana mac_handle_t mh;
12456b2bdd1SGireesh Nagabhushana int rc;
12556b2bdd1SGireesh Nagabhushana
12656b2bdd1SGireesh Nagabhushana if (cmd != DDI_ATTACH)
12756b2bdd1SGireesh Nagabhushana return (DDI_FAILURE);
12856b2bdd1SGireesh Nagabhushana
12956b2bdd1SGireesh Nagabhushana pi = ddi_get_parent_data(dip);
13056b2bdd1SGireesh Nagabhushana if (pi == NULL)
13156b2bdd1SGireesh Nagabhushana return (DDI_FAILURE);
13256b2bdd1SGireesh Nagabhushana
13356b2bdd1SGireesh Nagabhushana mac = mac_alloc(MAC_VERSION);
13456b2bdd1SGireesh Nagabhushana if (mac == NULL) {
13556b2bdd1SGireesh Nagabhushana cmn_err(CE_WARN, "%s%d: failed to allocate version %d mac.",
13656b2bdd1SGireesh Nagabhushana ddi_driver_name(pi->dip), ddi_get_instance(pi->dip),
13756b2bdd1SGireesh Nagabhushana MAC_VERSION);
13856b2bdd1SGireesh Nagabhushana return (DDI_FAILURE);
13956b2bdd1SGireesh Nagabhushana }
14056b2bdd1SGireesh Nagabhushana
14156b2bdd1SGireesh Nagabhushana mac->m_type_ident = MAC_PLUGIN_IDENT_ETHER;
14256b2bdd1SGireesh Nagabhushana mac->m_driver = pi;
14356b2bdd1SGireesh Nagabhushana mac->m_dip = dip;
14456b2bdd1SGireesh Nagabhushana mac->m_src_addr = pi->hw_addr;
14556b2bdd1SGireesh Nagabhushana mac->m_callbacks = pi->mc;
14656b2bdd1SGireesh Nagabhushana mac->m_max_sdu = pi->mtu;
14756b2bdd1SGireesh Nagabhushana mac->m_priv_props = pi->props;
14856b2bdd1SGireesh Nagabhushana mac->m_margin = 22; /* TODO: mac_register(9s) and onnv code disagree */
14956b2bdd1SGireesh Nagabhushana
150*3dde7c95SVishal Kulkarni if (!mac->m_callbacks->mc_unicst) {
151*3dde7c95SVishal Kulkarni cmn_err(CE_NOTE, "%s%d: Multiple Rings Enabled",
152*3dde7c95SVishal Kulkarni ddi_driver_name(pi->dip), ddi_get_instance(pi->dip));
153*3dde7c95SVishal Kulkarni mac->m_v12n = MAC_VIRT_LEVEL1;
154*3dde7c95SVishal Kulkarni } else
155*3dde7c95SVishal Kulkarni cmn_err(CE_NOTE, "%s%d: Multiple Rings Disbled",
156*3dde7c95SVishal Kulkarni ddi_driver_name(pi->dip), ddi_get_instance(pi->dip));
15756b2bdd1SGireesh Nagabhushana rc = mac_register(mac, &mh);
15856b2bdd1SGireesh Nagabhushana mac_free(mac);
15956b2bdd1SGireesh Nagabhushana if (rc != 0) {
16056b2bdd1SGireesh Nagabhushana cmn_err(CE_WARN, "%s%d: failed to register version %d mac.",
16156b2bdd1SGireesh Nagabhushana ddi_driver_name(pi->dip), ddi_get_instance(pi->dip),
16256b2bdd1SGireesh Nagabhushana MAC_VERSION);
16356b2bdd1SGireesh Nagabhushana return (DDI_FAILURE);
16456b2bdd1SGireesh Nagabhushana }
16556b2bdd1SGireesh Nagabhushana pi->mh = mh;
16656b2bdd1SGireesh Nagabhushana
16756b2bdd1SGireesh Nagabhushana /*
16856b2bdd1SGireesh Nagabhushana * Link state from this point onwards to the time interface is plumbed,
16956b2bdd1SGireesh Nagabhushana * should be set to LINK_STATE_UNKNOWN. The mac should be updated about
17056b2bdd1SGireesh Nagabhushana * the link state as either LINK_STATE_UP or LINK_STATE_DOWN based on
17156b2bdd1SGireesh Nagabhushana * the actual link state detection after interface plumb.
17256b2bdd1SGireesh Nagabhushana */
17356b2bdd1SGireesh Nagabhushana mac_link_update(mh, LINK_STATE_UNKNOWN);
17456b2bdd1SGireesh Nagabhushana
17556b2bdd1SGireesh Nagabhushana ddi_report_dev(dip);
17656b2bdd1SGireesh Nagabhushana
17756b2bdd1SGireesh Nagabhushana return (DDI_SUCCESS);
17856b2bdd1SGireesh Nagabhushana }
17956b2bdd1SGireesh Nagabhushana
18056b2bdd1SGireesh Nagabhushana static int
cxgbe_devo_detach(dev_info_t * dip,ddi_detach_cmd_t cmd)18156b2bdd1SGireesh Nagabhushana cxgbe_devo_detach(dev_info_t *dip, ddi_detach_cmd_t cmd)
18256b2bdd1SGireesh Nagabhushana {
18356b2bdd1SGireesh Nagabhushana struct port_info_stub *pi;
18456b2bdd1SGireesh Nagabhushana mac_handle_t mh;
18556b2bdd1SGireesh Nagabhushana
18656b2bdd1SGireesh Nagabhushana if (cmd != DDI_DETACH)
18756b2bdd1SGireesh Nagabhushana return (DDI_FAILURE);
18856b2bdd1SGireesh Nagabhushana
18956b2bdd1SGireesh Nagabhushana pi = ddi_get_parent_data(dip);
19056b2bdd1SGireesh Nagabhushana if (pi == NULL)
19156b2bdd1SGireesh Nagabhushana return (DDI_FAILURE);
19256b2bdd1SGireesh Nagabhushana
19356b2bdd1SGireesh Nagabhushana mh = pi->mh;
19456b2bdd1SGireesh Nagabhushana pi->mh = NULL;
19556b2bdd1SGireesh Nagabhushana
19656b2bdd1SGireesh Nagabhushana return (mac_unregister(mh));
19756b2bdd1SGireesh Nagabhushana }
198