fcoe.c revision 2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * CDDL HEADER START
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2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
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2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * Copyright 2009 Sun Microsystems, Inc. All rights reserved.
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * Use is subject to license terms.
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * The following notice accompanied the original version of this file:
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * BSD LICENSE
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * Copyright(c) 2007 Intel Corporation. All rights reserved.
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * All rights reserved.
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * Redistribution and use in source and binary forms, with or without
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * modification, are permitted provided that the following conditions
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * * Redistributions of source code must retain the above copyright
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * notice, this list of conditions and the following disclaimer.
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * * Redistributions in binary form must reproduce the above copyright
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * notice, this list of conditions and the following disclaimer in
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * the documentation and/or other materials provided with the
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * distribution.
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * * Neither the name of Intel Corporation nor the names of its
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * contributors may be used to endorse or promote products derived
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * from this software without specific prior written permission.
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2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * Common FCoE interface interacts with MAC and FCoE clients, managing
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * FCoE ports, doing MAC address discovery/managment, and FC frame
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * FCoE header files
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * Driver's own header files
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * Function forward declaration
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wangstatic int fcoe_attach(dev_info_t *dip, ddi_attach_cmd_t cmd);
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wangstatic int fcoe_detach(dev_info_t *dip, ddi_detach_cmd_t cmd);
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wangstatic int fcoe_bus_ctl(dev_info_t *fca_dip, dev_info_t *rip,
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wangstatic int fcoe_open(dev_t *devp, int flag, int otype, cred_t *credp);
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wangstatic int fcoe_close(dev_t dev, int flag, int otype, cred_t *credp);
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wangstatic int fcoe_ioctl(dev_t dev, int cmd, intptr_t data, int mode,
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wangstatic int fcoe_copyin_iocdata(intptr_t data, int mode, fcoeio_t **fcoeio,
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wangstatic int fcoe_copyout_iocdata(intptr_t data, int mode, fcoeio_t *fcoeio,
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wangstatic int fcoe_iocmd(fcoe_soft_state_t *ss, intptr_t data, int mode);
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wangstatic int fcoe_attach_init(fcoe_soft_state_t *this_ss);
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wangstatic int fcoe_detach_uninit(fcoe_soft_state_t *this_ss);
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wangstatic int fcoe_initchild(dev_info_t *fcoe_dip, dev_info_t *client_dip);
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wangstatic int fcoe_uninitchild(dev_info_t *fcoe_dip, dev_info_t *client_dip);
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wangstatic void fcoe_init_wwn_from_mac(uint8_t *wwn, uint8_t *mac,
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wangstatic fcoe_mac_t *fcoe_create_mac_by_name(uint8_t *name);
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wangstatic int fcoe_get_port_list(fcoe_port_instance_t *ports, int count);
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * Driver identificaton stuff
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * TRACE for all FCoE related modules
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wangstatic int fcoe_trace_buf_size = (1 * 1024 * 1024);
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * Driver's global variables
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * Common loadable module entry points _init, _fini, _info
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang ret = ddi_soft_state_init(&fcoe_state, sizeof (fcoe_soft_state_t), 0);
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang mutex_init(&fcoe_trace_buf_lock, NULL, MUTEX_DRIVER, 0);
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * Autoconfiguration entry points: attach, detach, getinfo
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wangfcoe_attach(dev_info_t *dip, ddi_attach_cmd_t cmd)
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang ret = ddi_soft_state_zalloc(fcoe_state, instance);
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang FCOE_LOG(0, "soft_state_zalloc-%x/%x", ret, instance);
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang FCOE_LOG("fcoe", "fcoe_attach_init end with-%x", fcoe_ret);
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang FCOE_LOG("fcoe", "unsupported attach cmd-%x", cmd);
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wangfcoe_detach(dev_info_t *dip, ddi_detach_cmd_t cmd)
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * FCA driver's intercepted bus control operations.
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wangfcoe_bus_ctl(dev_info_t *fcoe_dip, dev_info_t *rip,
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang ddi_ctl_enum_t op, void *clientarg, void *result)
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang ret = fcoe_initchild(fcoe_dip, (dev_info_t *)clientarg);
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang ret = fcoe_uninitchild(fcoe_dip, (dev_info_t *)clientarg);
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang ret = ddi_ctlops(fcoe_dip, rip, op, clientarg, result);
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * We need specify the dev address for client driver's instance, or we
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * can't online client driver's instance.
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang/* ARGSUSED */
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wangfcoe_initchild(dev_info_t *fcoe_dip, dev_info_t *client_dip)
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang static int inicounter = 0;
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang static int tgtcounter = 0;
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang if (strcmp(ddi_driver_name(client_dip), FCOET_DRIVER_NAME) == 0) {
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang/* ARGSUSED */
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wangfcoe_uninitchild(dev_info_t *fcoe_dip, dev_info_t *client_dip)
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * Device access entry points
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wangfcoe_open(dev_t *devp, int flag, int otype, cred_t *credp)
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * Since this is for debugging only, only allow root to issue ioctl now
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * It is already open for exclusive access.
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * So shut the door on this caller.
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * Exclusive operation not possible
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * as it is already opened
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang/* ARGSUSED */
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wangfcoe_close(dev_t dev, int flag, int otype, cred_t *credp)
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang if ((ss->ss_ioctl_flags & FCOE_IOCTL_FLAG_OPEN) == 0) {
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang/* ARGSUSED */
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wangfcoe_ioctl(dev_t dev, int cmd, intptr_t data, int mode,
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang ss = ddi_get_soft_state(fcoe_state, (int32_t)getminor(dev));
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang if ((ss->ss_ioctl_flags & FCOE_IOCTL_FLAG_OPEN) == 0) {
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wangfcoe_copyin_iocdata(intptr_t data, int mode, fcoeio_t **fcoeio,
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang *fcoeio = kmem_zalloc(sizeof (fcoeio_t), KM_SLEEP);
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang if (ddi_copyin((void *)data, *fcoeio, sizeof (fcoeio_t), mode) != 0) {
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang if ((*fcoeio)->fcoeio_ilen > FCOEIO_MAX_BUF_LEN ||
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang *ibuf = kmem_zalloc((*fcoeio)->fcoeio_ilen, KM_SLEEP);
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang if (ddi_copyin((void *)(unsigned long)(*fcoeio)->fcoeio_ibuf,
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang *abuf = kmem_zalloc((*fcoeio)->fcoeio_alen, KM_SLEEP);
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang if (ddi_copyin((void *)(unsigned long)(*fcoeio)->fcoeio_abuf,
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang *obuf = kmem_zalloc((*fcoeio)->fcoeio_olen, KM_SLEEP);
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wangfcoe_copyout_iocdata(intptr_t data, int mode, fcoeio_t *fcoeio, void *obuf)
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang if (ddi_copyout(fcoeio, (void *)data, sizeof (fcoeio_t), mode) != 0) {
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wangfcoe_iocmd(fcoe_soft_state_t *ss, intptr_t data, int mode)
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang ret = fcoe_copyin_iocdata(data, mode, &fcoeio, &ibuf, &abuf, &obuf);
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * If an exclusive open was demanded during open, ensure that
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * only one thread can execute an ioctl at a time
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang if (ss->ss_ioctl_flags & FCOE_IOCTL_FLAG_EXCL_BUSY) {
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang fcoe_mac = fcoe_create_mac_by_name(param->fcp_mac_name);
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang if (fcoe_mac->fm_flags & FCOE_MAC_FLAG_ENABLED) {
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang ret = fcoe_open_mac(fcoe_mac, param->fcp_force_promisc,
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * Provide PWWN and NWWN based on mac address
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang (void) memcpy(eport->eport_portwwn, param->fcp_pwwn, 8);
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang (void) memcpy(eport->eport_nodewwn, param->fcp_nwwn, 8);
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang if (fcoeio->fcoeio_ilen > FCOE_MAX_MAC_NAME_LEN ||
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang ret = fcoe_delete_port(ss->ss_dip, fcoeio, mac_name);
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang fcoe_port_list_t *list = (fcoe_port_list_t *)obuf;
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang fcoeio->fcoeio_olen < sizeof (fcoe_port_list_t)) {
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang sizeof (fcoe_port_list_t))/sizeof (fcoe_port_instance_t);
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang count = fcoe_get_port_list(list->ports, list->numPorts);
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang FCOE_LOG("fcoe", "fcoe_ioctl returned %d, fcoeio_status = %d",
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang ret = fcoe_copyout_iocdata(data, mode, fcoeio, obuf);
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang (void) fcoe_copyout_iocdata(data, mode, fcoeio, obuf);
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * Finish final initialization
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang if (ddi_create_minor_node(ss->ss_dip, "admin", S_IFCHR,
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang ddi_get_instance(ss->ss_dip), DDI_PSEUDO, 0) != DDI_SUCCESS) {
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang FCOE_LOG("FCOE", "ddi_create_minor_node failed");
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * watchdog responsible for release frame and dispatch events
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang (void) snprintf(taskq_name, sizeof (taskq_name), "fcoe_mac");
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang if ((ss->ss_watchdog_taskq = ddi_taskq_create(NULL,
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang mutex_init(&ss->ss_ioctl_mutex, NULL, MUTEX_DRIVER, NULL);
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang list_create(&ss->ss_mac_list, sizeof (fcoe_mac_t),
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang list_create(&ss->ss_pfrm_list, sizeof (fcoe_i_frame_t),
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang mutex_init(&ss->ss_watch_mutex, 0, MUTEX_DRIVER, 0);
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang cv_init(&ss->ss_watch_cv, NULL, CV_DRIVER, NULL);
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang while ((ss->ss_flags & SS_FLAG_WATCHDOG_RUNNING) == 0) {
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang fcoe_nworkers = ddi_prop_get_int(DDI_DEV_T_ANY, ss->ss_dip,
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang DDI_PROP_NOTPROM | DDI_PROP_DONTPASS, (char *)fcoe_workers_num, 4);
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * Finish final uninitialization
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang FCOE_LOG("fcoe", "ss_mac_list is not empty when detach");
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang if ((ret = fcoe_worker_fini()) != FCOE_SUCCESS) {
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * Stop watchdog
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang while (ss->ss_flags & SS_FLAG_WATCHDOG_RUNNING) {
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * Return mac instance if it exist, or else return NULL.
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang ASSERT(mutex_owned(&fcoe_global_ss->ss_ioctl_mutex));
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang for (mac = list_head(&fcoe_global_ss->ss_mac_list); mac;
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang mac = list_next(&fcoe_global_ss->ss_mac_list, mac)) {
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * port wwn will start with 20:..., node wwn will start with 10:...
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wangfcoe_init_wwn_from_mac(uint8_t *wwn, uint8_t *mac, int is_pwwn, uint8_t idx)
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * Return fcoe_mac if it exists, otherwise create a new one
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang ASSERT(mutex_owned(&fcoe_global_ss->ss_ioctl_mutex));
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang FCOE_LOG("fcoe", "fcoe_create_mac_by_name found one mac %s",
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang mac = kmem_zalloc(sizeof (fcoe_mac_t), KM_SLEEP);
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang bcopy(name, mac->fm_link_name, strlen((char *)name) + 1);
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang FCOE_LOG("fcoe", "fcoe_create_mac_by_name created one mac %s", name);
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * raw frame layout:
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * ethernet header + vlan header (optional) + FCoE header +
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * FC frame + FCoE tailer
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang/* ARGSUSED */
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wangfcoe_get_mblk(fcoe_mac_t *mac, uint32_t raw_frame_size)
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * FCFH_SIZE + PADDING_SIZE
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang while ((mp = allocb((size_t)raw_frame_size, 0)) == NULL) {
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang if ((err = strwaitbuf((size_t)raw_frame_size, BPRI_LO)) != 0) {
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang FCOE_LOG("fcoe_get_mblk", "strwaitbuf return %d", err);
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * We should always zero FC frame header
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang fcoe_soft_state_t *ss = (fcoe_soft_state_t *)arg;
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang while ((ss->ss_flags & SS_FLAG_TERMINATE_WATCHDOG) == 0) {
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang while (fmi = (fcoe_i_frame_t *)list_head(&ss->ss_pfrm_list)) {
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang mac->fm_client.ect_release_sol_frame(fmi->fmi_frame);
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang (void) cv_wait(&ss->ss_watch_cv, &ss->ss_watch_mutex);
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang fcoe_worker_taskq = ddi_taskq_create(0, "FCOE_WORKER_TASKQ",
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang fcoe_workers = (fcoe_worker_t *)kmem_zalloc(sizeof (fcoe_worker_t) *
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang for (i = 0; i < fcoe_nworkers; i++) {
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang mutex_init(&w->worker_lock, NULL, MUTEX_DRIVER, NULL);
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang list_create(&w->worker_frm_list, sizeof (fcoe_i_frame_t),
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang (void) ddi_taskq_dispatch(fcoe_worker_taskq, fcoe_worker_frame,
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang for (i = 0; i < fcoe_nworkers; i++) {
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang kmem_free(fcoe_workers, sizeof (fcoe_worker_t) * fcoe_nworkers);
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang uint8_t *crc_array = FRM2FMI(frm)->fmi_fft->fft_crc;
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang uint32_t crc_from_frame = ~(crc_array[0] | (crc_array[1] << 8) |
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang CRC32(crc, frm->frm_fc_frame, frm->frm_fc_frame_size, -1U, crc32_table);
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang return (crc == crc_from_frame ? FCOE_SUCCESS : FCOE_FAILURE);
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang w->worker_flags |= FCOE_WORKER_STARTED | FCOE_WORKER_ACTIVE;
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang while ((w->worker_flags & FCOE_WORKER_TERMINATE) == 0) {
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * loop through the frames
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * do the checksum
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang w->worker_flags &= ~(FCOE_WORKER_STARTED | FCOE_WORKER_ACTIVE);
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang list_insert_tail(&w->worker_frm_list, frm->frm_fcoe_private);
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang if ((w->worker_flags & FCOE_WORKER_ACTIVE) == 0) {
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * The max length of every LOG is 158
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang usec = (curclock - fcoe_trace_start) * usec_per_tick;
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang len = snprintf(tbuf, 158, "%lu.%03lus 0t%lu %s ", (usec /
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang len += vsnprintf(tbuf + len, 158 - len, fmt, args);
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang bcopy(tbuf, &fcoe_trace_buf[fcoe_trace_buf_curndx], len+1);
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang if (fcoe_trace_buf_curndx > (fcoe_trace_buf_size - 320)) {
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * Check whether the pwwn or nwwn already exist or not
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * Return value:
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * 1: PWWN conflicted
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * -1: NWWN conflicted
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang * 0: No conflict
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang ASSERT(mutex_owned(&fcoe_global_ss->ss_ioctl_mutex));
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang for (mac = list_head(&fcoe_global_ss->ss_mac_list); mac;
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang mac = list_next(&fcoe_global_ss->ss_mac_list, mac)) {
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang return (-1);
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wangfcoe_get_port_list(fcoe_port_instance_t *ports, int count)
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang ASSERT(mutex_owned(&fcoe_global_ss->ss_ioctl_mutex));
2a8164df8a5f42c8a00f10c67d7bc84f80ae9c41Zhong Wang for (mac = list_head(&fcoe_global_ss->ss_mac_list); mac;