17c478bd9Sstevel@tonic-gate /* 27c478bd9Sstevel@tonic-gate * CDDL HEADER START 37c478bd9Sstevel@tonic-gate * 47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 57c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 67c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 77c478bd9Sstevel@tonic-gate * with the License. 87c478bd9Sstevel@tonic-gate * 97c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 107c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 117c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 127c478bd9Sstevel@tonic-gate * and limitations under the License. 137c478bd9Sstevel@tonic-gate * 147c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 157c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 167c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 177c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 187c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 197c478bd9Sstevel@tonic-gate * 207c478bd9Sstevel@tonic-gate * CDDL HEADER END 217c478bd9Sstevel@tonic-gate */ 227c478bd9Sstevel@tonic-gate /* 237c478bd9Sstevel@tonic-gate * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 247c478bd9Sstevel@tonic-gate * Use is subject to license terms. 257c478bd9Sstevel@tonic-gate */ 267c478bd9Sstevel@tonic-gate 277c478bd9Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 287c478bd9Sstevel@tonic-gate 297c478bd9Sstevel@tonic-gate /* 307c478bd9Sstevel@tonic-gate * Data-Link Driver 317c478bd9Sstevel@tonic-gate */ 327c478bd9Sstevel@tonic-gate 337c478bd9Sstevel@tonic-gate #include <sys/conf.h> 34*210db224Sericheng #include <sys/mkdev.h> 357c478bd9Sstevel@tonic-gate #include <sys/modctl.h> 36*210db224Sericheng #include <sys/stat.h> 37*210db224Sericheng #include <sys/strsun.h> 387c478bd9Sstevel@tonic-gate #include <sys/dld.h> 397c478bd9Sstevel@tonic-gate #include <sys/dld_impl.h> 40*210db224Sericheng #include <sys/dls_impl.h> 41*210db224Sericheng #include <inet/common.h> 42*210db224Sericheng 43*210db224Sericheng /* 44*210db224Sericheng * dld control node state, one per open control node session. 45*210db224Sericheng */ 46*210db224Sericheng typedef struct dld_ctl_str_s { 47*210db224Sericheng minor_t cs_minor; 48*210db224Sericheng queue_t *cs_wq; 49*210db224Sericheng } dld_ctl_str_t; 507c478bd9Sstevel@tonic-gate 517c478bd9Sstevel@tonic-gate static void drv_init(void); 527c478bd9Sstevel@tonic-gate static int drv_fini(void); 537c478bd9Sstevel@tonic-gate 547c478bd9Sstevel@tonic-gate static int drv_getinfo(dev_info_t *, ddi_info_cmd_t, void *, void **); 557c478bd9Sstevel@tonic-gate static int drv_attach(dev_info_t *, ddi_attach_cmd_t); 567c478bd9Sstevel@tonic-gate static int drv_detach(dev_info_t *, ddi_detach_cmd_t); 577c478bd9Sstevel@tonic-gate 58*210db224Sericheng /* 59*210db224Sericheng * The following entry points are private to dld and are used for control 60*210db224Sericheng * operations only. The entry points exported to mac drivers are defined 61*210db224Sericheng * in dld_str.c. Refer to the comment on top of dld_str.c for details. 62*210db224Sericheng */ 637c478bd9Sstevel@tonic-gate static int drv_open(queue_t *, dev_t *, int, int, cred_t *); 647c478bd9Sstevel@tonic-gate static int drv_close(queue_t *); 657c478bd9Sstevel@tonic-gate 667c478bd9Sstevel@tonic-gate static void drv_uw_put(queue_t *, mblk_t *); 677c478bd9Sstevel@tonic-gate static void drv_uw_srv(queue_t *); 687c478bd9Sstevel@tonic-gate 697c478bd9Sstevel@tonic-gate dev_info_t *dld_dip; /* dev_info_t for the driver */ 70*210db224Sericheng uint32_t dld_opt = 0; /* Global options */ 71*210db224Sericheng static vmem_t *dld_ctl_vmem; /* for control minor numbers */ 727c478bd9Sstevel@tonic-gate 737c478bd9Sstevel@tonic-gate static struct module_info drv_info = { 747c478bd9Sstevel@tonic-gate 0, /* mi_idnum */ 757c478bd9Sstevel@tonic-gate DLD_DRIVER_NAME, /* mi_idname */ 767c478bd9Sstevel@tonic-gate 0, /* mi_minpsz */ 777c478bd9Sstevel@tonic-gate (64 * 1024), /* mi_maxpsz */ 787c478bd9Sstevel@tonic-gate 1, /* mi_hiwat */ 797c478bd9Sstevel@tonic-gate 0 /* mi_lowat */ 807c478bd9Sstevel@tonic-gate }; 817c478bd9Sstevel@tonic-gate 827c478bd9Sstevel@tonic-gate static struct qinit drv_ur_init = { 837c478bd9Sstevel@tonic-gate NULL, /* qi_putp */ 847c478bd9Sstevel@tonic-gate NULL, /* qi_srvp */ 857c478bd9Sstevel@tonic-gate drv_open, /* qi_qopen */ 867c478bd9Sstevel@tonic-gate drv_close, /* qi_qclose */ 877c478bd9Sstevel@tonic-gate NULL, /* qi_qadmin */ 887c478bd9Sstevel@tonic-gate &drv_info, /* qi_minfo */ 897c478bd9Sstevel@tonic-gate NULL /* qi_mstat */ 907c478bd9Sstevel@tonic-gate }; 917c478bd9Sstevel@tonic-gate 927c478bd9Sstevel@tonic-gate static struct qinit drv_uw_init = { 937c478bd9Sstevel@tonic-gate (pfi_t)drv_uw_put, /* qi_putp */ 947c478bd9Sstevel@tonic-gate (pfi_t)drv_uw_srv, /* qi_srvp */ 957c478bd9Sstevel@tonic-gate NULL, /* qi_qopen */ 967c478bd9Sstevel@tonic-gate NULL, /* qi_qclose */ 977c478bd9Sstevel@tonic-gate NULL, /* qi_qadmin */ 987c478bd9Sstevel@tonic-gate &drv_info, /* qi_minfo */ 997c478bd9Sstevel@tonic-gate NULL /* qi_mstat */ 1007c478bd9Sstevel@tonic-gate }; 1017c478bd9Sstevel@tonic-gate 1027c478bd9Sstevel@tonic-gate static struct streamtab drv_stream = { 1037c478bd9Sstevel@tonic-gate &drv_ur_init, /* st_rdinit */ 1047c478bd9Sstevel@tonic-gate &drv_uw_init, /* st_wrinit */ 1057c478bd9Sstevel@tonic-gate NULL, /* st_muxrinit */ 1067c478bd9Sstevel@tonic-gate NULL /* st_muxwinit */ 1077c478bd9Sstevel@tonic-gate }; 1087c478bd9Sstevel@tonic-gate 1097c478bd9Sstevel@tonic-gate DDI_DEFINE_STREAM_OPS(drv_ops, nulldev, nulldev, drv_attach, drv_detach, 110*210db224Sericheng nodev, drv_getinfo, D_MP, &drv_stream); 1117c478bd9Sstevel@tonic-gate 1127c478bd9Sstevel@tonic-gate /* 1137c478bd9Sstevel@tonic-gate * Module linkage information for the kernel. 1147c478bd9Sstevel@tonic-gate */ 1157c478bd9Sstevel@tonic-gate 1167c478bd9Sstevel@tonic-gate extern struct mod_ops mod_driverops; 1177c478bd9Sstevel@tonic-gate 1187c478bd9Sstevel@tonic-gate static struct modldrv drv_modldrv = { 1197c478bd9Sstevel@tonic-gate &mod_driverops, 1207c478bd9Sstevel@tonic-gate DLD_INFO, 1217c478bd9Sstevel@tonic-gate &drv_ops 1227c478bd9Sstevel@tonic-gate }; 1237c478bd9Sstevel@tonic-gate 1247c478bd9Sstevel@tonic-gate static struct modlinkage drv_modlinkage = { 1257c478bd9Sstevel@tonic-gate MODREV_1, 1267c478bd9Sstevel@tonic-gate &drv_modldrv, 1277c478bd9Sstevel@tonic-gate NULL 1287c478bd9Sstevel@tonic-gate }; 1297c478bd9Sstevel@tonic-gate 1307c478bd9Sstevel@tonic-gate int 1317c478bd9Sstevel@tonic-gate _init(void) 1327c478bd9Sstevel@tonic-gate { 1337c478bd9Sstevel@tonic-gate int err; 1347c478bd9Sstevel@tonic-gate 135*210db224Sericheng drv_init(); 136*210db224Sericheng 1377c478bd9Sstevel@tonic-gate if ((err = mod_install(&drv_modlinkage)) != 0) 1387c478bd9Sstevel@tonic-gate return (err); 1397c478bd9Sstevel@tonic-gate 1407c478bd9Sstevel@tonic-gate return (0); 1417c478bd9Sstevel@tonic-gate } 1427c478bd9Sstevel@tonic-gate 1437c478bd9Sstevel@tonic-gate int 1447c478bd9Sstevel@tonic-gate _fini(void) 1457c478bd9Sstevel@tonic-gate { 1467c478bd9Sstevel@tonic-gate int err; 1477c478bd9Sstevel@tonic-gate 1487c478bd9Sstevel@tonic-gate if ((err = mod_remove(&drv_modlinkage)) != 0) 1497c478bd9Sstevel@tonic-gate return (err); 1507c478bd9Sstevel@tonic-gate 151*210db224Sericheng if (drv_fini() != 0) { 152*210db224Sericheng (void) mod_install(&drv_modlinkage); 153*210db224Sericheng return (DDI_FAILURE); 154*210db224Sericheng } 1557c478bd9Sstevel@tonic-gate 1567c478bd9Sstevel@tonic-gate return (err); 1577c478bd9Sstevel@tonic-gate } 1587c478bd9Sstevel@tonic-gate 1597c478bd9Sstevel@tonic-gate int 1607c478bd9Sstevel@tonic-gate _info(struct modinfo *modinfop) 1617c478bd9Sstevel@tonic-gate { 1627c478bd9Sstevel@tonic-gate return (mod_info(&drv_modlinkage, modinfop)); 1637c478bd9Sstevel@tonic-gate } 1647c478bd9Sstevel@tonic-gate 1657c478bd9Sstevel@tonic-gate 1667c478bd9Sstevel@tonic-gate /* 167*210db224Sericheng * Initialize component modules. 1687c478bd9Sstevel@tonic-gate */ 1697c478bd9Sstevel@tonic-gate static void 1707c478bd9Sstevel@tonic-gate drv_init(void) 1717c478bd9Sstevel@tonic-gate { 172*210db224Sericheng dld_ctl_vmem = vmem_create("dld_ctl", (void *)1, MAXMIN, 1, 173*210db224Sericheng NULL, NULL, NULL, 1, VM_SLEEP | VMC_IDENTIFIER); 1747c478bd9Sstevel@tonic-gate dld_str_init(); 1757c478bd9Sstevel@tonic-gate } 1767c478bd9Sstevel@tonic-gate 1777c478bd9Sstevel@tonic-gate static int 1787c478bd9Sstevel@tonic-gate drv_fini(void) 1797c478bd9Sstevel@tonic-gate { 1807c478bd9Sstevel@tonic-gate int err; 1817c478bd9Sstevel@tonic-gate 182*210db224Sericheng if ((err = dld_str_fini()) != 0) 1837c478bd9Sstevel@tonic-gate return (err); 1847c478bd9Sstevel@tonic-gate 185*210db224Sericheng vmem_destroy(dld_ctl_vmem); 1867c478bd9Sstevel@tonic-gate return (0); 1877c478bd9Sstevel@tonic-gate } 1887c478bd9Sstevel@tonic-gate 1897c478bd9Sstevel@tonic-gate /* 1907c478bd9Sstevel@tonic-gate * devo_getinfo: getinfo(9e) 1917c478bd9Sstevel@tonic-gate */ 1927c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 1937c478bd9Sstevel@tonic-gate static int 1947c478bd9Sstevel@tonic-gate drv_getinfo(dev_info_t *dip, ddi_info_cmd_t cmd, void *arg, void **resp) 1957c478bd9Sstevel@tonic-gate { 1967c478bd9Sstevel@tonic-gate if (dld_dip == NULL) 1977c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 1987c478bd9Sstevel@tonic-gate 1997c478bd9Sstevel@tonic-gate switch (cmd) { 2007c478bd9Sstevel@tonic-gate case DDI_INFO_DEVT2INSTANCE: 2017c478bd9Sstevel@tonic-gate *resp = (void *)0; 2027c478bd9Sstevel@tonic-gate break; 2037c478bd9Sstevel@tonic-gate case DDI_INFO_DEVT2DEVINFO: 2047c478bd9Sstevel@tonic-gate *resp = (void *)dld_dip; 2057c478bd9Sstevel@tonic-gate break; 2067c478bd9Sstevel@tonic-gate default: 2077c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 2087c478bd9Sstevel@tonic-gate } 2097c478bd9Sstevel@tonic-gate 2107c478bd9Sstevel@tonic-gate return (DDI_SUCCESS); 2117c478bd9Sstevel@tonic-gate } 2127c478bd9Sstevel@tonic-gate 2137c478bd9Sstevel@tonic-gate /* 2147c478bd9Sstevel@tonic-gate * Check properties to set options. (See dld.h for property definitions). 2157c478bd9Sstevel@tonic-gate */ 2167c478bd9Sstevel@tonic-gate static void 2177c478bd9Sstevel@tonic-gate drv_set_opt(dev_info_t *dip) 2187c478bd9Sstevel@tonic-gate { 2197c478bd9Sstevel@tonic-gate if (ddi_prop_get_int(DDI_DEV_T_ANY, dip, DDI_PROP_DONTPASS, 2207c478bd9Sstevel@tonic-gate DLD_PROP_NO_FASTPATH, 0) != 0) { 2217c478bd9Sstevel@tonic-gate dld_opt |= DLD_OPT_NO_FASTPATH; 2227c478bd9Sstevel@tonic-gate } 2237c478bd9Sstevel@tonic-gate 2247c478bd9Sstevel@tonic-gate if (ddi_prop_get_int(DDI_DEV_T_ANY, dip, DDI_PROP_DONTPASS, 2257c478bd9Sstevel@tonic-gate DLD_PROP_NO_POLL, 0) != 0) { 2267c478bd9Sstevel@tonic-gate dld_opt |= DLD_OPT_NO_POLL; 2277c478bd9Sstevel@tonic-gate } 2287c478bd9Sstevel@tonic-gate 2297c478bd9Sstevel@tonic-gate if (ddi_prop_get_int(DDI_DEV_T_ANY, dip, DDI_PROP_DONTPASS, 2307c478bd9Sstevel@tonic-gate DLD_PROP_NO_ZEROCOPY, 0) != 0) { 2317c478bd9Sstevel@tonic-gate dld_opt |= DLD_OPT_NO_ZEROCOPY; 2327c478bd9Sstevel@tonic-gate } 2337c478bd9Sstevel@tonic-gate } 2347c478bd9Sstevel@tonic-gate 2357c478bd9Sstevel@tonic-gate /* 2367c478bd9Sstevel@tonic-gate * devo_attach: attach(9e) 2377c478bd9Sstevel@tonic-gate */ 2387c478bd9Sstevel@tonic-gate static int 2397c478bd9Sstevel@tonic-gate drv_attach(dev_info_t *dip, ddi_attach_cmd_t cmd) 2407c478bd9Sstevel@tonic-gate { 2417c478bd9Sstevel@tonic-gate if (cmd != DDI_ATTACH) 2427c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 2437c478bd9Sstevel@tonic-gate 2447c478bd9Sstevel@tonic-gate ASSERT(ddi_get_instance(dip) == 0); 2457c478bd9Sstevel@tonic-gate 2467c478bd9Sstevel@tonic-gate drv_set_opt(dip); 2477c478bd9Sstevel@tonic-gate 2487c478bd9Sstevel@tonic-gate /* 2497c478bd9Sstevel@tonic-gate * Create control node. DLPI provider nodes will be created on demand. 2507c478bd9Sstevel@tonic-gate */ 2517c478bd9Sstevel@tonic-gate if (ddi_create_minor_node(dip, DLD_CONTROL_MINOR_NAME, S_IFCHR, 2527c478bd9Sstevel@tonic-gate DLD_CONTROL_MINOR, DDI_PSEUDO, 0) != DDI_SUCCESS) 2537c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 2547c478bd9Sstevel@tonic-gate 2557c478bd9Sstevel@tonic-gate dld_dip = dip; 2567c478bd9Sstevel@tonic-gate 2577c478bd9Sstevel@tonic-gate /* 2587c478bd9Sstevel@tonic-gate * Log the fact that the driver is now attached. 2597c478bd9Sstevel@tonic-gate */ 2607c478bd9Sstevel@tonic-gate ddi_report_dev(dip); 2617c478bd9Sstevel@tonic-gate return (DDI_SUCCESS); 2627c478bd9Sstevel@tonic-gate } 2637c478bd9Sstevel@tonic-gate 2647c478bd9Sstevel@tonic-gate /* 2657c478bd9Sstevel@tonic-gate * devo_detach: detach(9e) 2667c478bd9Sstevel@tonic-gate */ 2677c478bd9Sstevel@tonic-gate static int 2687c478bd9Sstevel@tonic-gate drv_detach(dev_info_t *dip, ddi_detach_cmd_t cmd) 2697c478bd9Sstevel@tonic-gate { 2707c478bd9Sstevel@tonic-gate if (cmd != DDI_DETACH) 2717c478bd9Sstevel@tonic-gate return (DDI_FAILURE); 2727c478bd9Sstevel@tonic-gate 2737c478bd9Sstevel@tonic-gate ASSERT(dld_dip == dip); 2747c478bd9Sstevel@tonic-gate 2757c478bd9Sstevel@tonic-gate /* 2767c478bd9Sstevel@tonic-gate * Remove the control node. 2777c478bd9Sstevel@tonic-gate */ 2787c478bd9Sstevel@tonic-gate ddi_remove_minor_node(dip, DLD_CONTROL_MINOR_NAME); 2797c478bd9Sstevel@tonic-gate dld_dip = NULL; 2807c478bd9Sstevel@tonic-gate 2817c478bd9Sstevel@tonic-gate return (DDI_SUCCESS); 2827c478bd9Sstevel@tonic-gate } 2837c478bd9Sstevel@tonic-gate 2847c478bd9Sstevel@tonic-gate /* 285*210db224Sericheng * dld control node open procedure. 2867c478bd9Sstevel@tonic-gate */ 2877c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 2887c478bd9Sstevel@tonic-gate static int 2897c478bd9Sstevel@tonic-gate drv_open(queue_t *rq, dev_t *devp, int flag, int sflag, cred_t *credp) 2907c478bd9Sstevel@tonic-gate { 291*210db224Sericheng dld_ctl_str_t *ctls; 2927c478bd9Sstevel@tonic-gate minor_t minor; 293*210db224Sericheng queue_t *oq = OTHERQ(rq); 2947c478bd9Sstevel@tonic-gate 295*210db224Sericheng if (sflag == MODOPEN) 296*210db224Sericheng return (ENOTSUP); 2977c478bd9Sstevel@tonic-gate 2987c478bd9Sstevel@tonic-gate /* 2997c478bd9Sstevel@tonic-gate * This is a cloning driver and therefore each queue should only 3007c478bd9Sstevel@tonic-gate * ever get opened once. 3017c478bd9Sstevel@tonic-gate */ 3027c478bd9Sstevel@tonic-gate if (rq->q_ptr != NULL) 3037c478bd9Sstevel@tonic-gate return (EBUSY); 3047c478bd9Sstevel@tonic-gate 305*210db224Sericheng minor = (minor_t)(uintptr_t)vmem_alloc(dld_ctl_vmem, 1, VM_NOSLEEP); 306*210db224Sericheng if (minor == 0) 307*210db224Sericheng return (ENOMEM); 3087c478bd9Sstevel@tonic-gate 309*210db224Sericheng ctls = kmem_zalloc(sizeof (dld_ctl_str_t), KM_NOSLEEP); 310*210db224Sericheng if (ctls == NULL) { 311*210db224Sericheng vmem_free(dld_ctl_vmem, (void *)(uintptr_t)minor, 1); 312*210db224Sericheng return (ENOMEM); 313*210db224Sericheng } 3147c478bd9Sstevel@tonic-gate 315*210db224Sericheng ctls->cs_minor = minor; 316*210db224Sericheng ctls->cs_wq = WR(rq); 3177c478bd9Sstevel@tonic-gate 318*210db224Sericheng rq->q_ptr = ctls; 319*210db224Sericheng oq->q_ptr = ctls; 3207c478bd9Sstevel@tonic-gate 3217c478bd9Sstevel@tonic-gate /* 3227c478bd9Sstevel@tonic-gate * Enable the queue srv(9e) routine. 3237c478bd9Sstevel@tonic-gate */ 3247c478bd9Sstevel@tonic-gate qprocson(rq); 3257c478bd9Sstevel@tonic-gate 3267c478bd9Sstevel@tonic-gate /* 3277c478bd9Sstevel@tonic-gate * Construct a cloned dev_t to hand back. 3287c478bd9Sstevel@tonic-gate */ 329*210db224Sericheng *devp = makedevice(getmajor(*devp), ctls->cs_minor); 3307c478bd9Sstevel@tonic-gate return (0); 3317c478bd9Sstevel@tonic-gate } 3327c478bd9Sstevel@tonic-gate 3337c478bd9Sstevel@tonic-gate /* 334*210db224Sericheng * dld control node close procedure. 3357c478bd9Sstevel@tonic-gate */ 3367c478bd9Sstevel@tonic-gate static int 3377c478bd9Sstevel@tonic-gate drv_close(queue_t *rq) 3387c478bd9Sstevel@tonic-gate { 339*210db224Sericheng dld_ctl_str_t *ctls; 3407c478bd9Sstevel@tonic-gate 341*210db224Sericheng ctls = rq->q_ptr; 342*210db224Sericheng ASSERT(ctls != NULL); 3437c478bd9Sstevel@tonic-gate 3447c478bd9Sstevel@tonic-gate /* 3457c478bd9Sstevel@tonic-gate * Disable the queue srv(9e) routine. 3467c478bd9Sstevel@tonic-gate */ 3477c478bd9Sstevel@tonic-gate qprocsoff(rq); 3487c478bd9Sstevel@tonic-gate 349*210db224Sericheng vmem_free(dld_ctl_vmem, (void *)(uintptr_t)ctls->cs_minor, 1); 350*210db224Sericheng 351*210db224Sericheng kmem_free(ctls, sizeof (dld_ctl_str_t)); 3527c478bd9Sstevel@tonic-gate 3537c478bd9Sstevel@tonic-gate return (0); 3547c478bd9Sstevel@tonic-gate } 3557c478bd9Sstevel@tonic-gate 3567c478bd9Sstevel@tonic-gate /* 357*210db224Sericheng * DLDIOCATTR 3587c478bd9Sstevel@tonic-gate */ 3597c478bd9Sstevel@tonic-gate static void 360*210db224Sericheng drv_ioc_attr(dld_ctl_str_t *ctls, mblk_t *mp) 3617c478bd9Sstevel@tonic-gate { 362*210db224Sericheng dld_ioc_attr_t *diap; 363*210db224Sericheng dls_vlan_t *dvp = NULL; 364*210db224Sericheng dls_link_t *dlp = NULL; 365*210db224Sericheng int err; 366*210db224Sericheng queue_t *q = ctls->cs_wq; 3677c478bd9Sstevel@tonic-gate 368*210db224Sericheng if ((err = miocpullup(mp, sizeof (dld_ioc_attr_t))) != 0) 369*210db224Sericheng goto failed; 3707c478bd9Sstevel@tonic-gate 371*210db224Sericheng diap = (dld_ioc_attr_t *)mp->b_cont->b_rptr; 372*210db224Sericheng diap->dia_name[IFNAMSIZ - 1] = '\0'; 373*210db224Sericheng 374*210db224Sericheng if (dls_vlan_hold(diap->dia_name, &dvp, B_FALSE) != 0) { 375*210db224Sericheng err = ENOENT; 376*210db224Sericheng goto failed; 377*210db224Sericheng } 378*210db224Sericheng 379*210db224Sericheng dlp = dvp->dv_dlp; 380*210db224Sericheng (void) strlcpy(diap->dia_dev, dlp->dl_dev, MAXNAMELEN); 381*210db224Sericheng diap->dia_port = dlp->dl_port; 382*210db224Sericheng diap->dia_vid = dvp->dv_id; 383*210db224Sericheng diap->dia_max_sdu = dlp->dl_mip->mi_sdu_max; 384*210db224Sericheng 385*210db224Sericheng dls_vlan_rele(dvp); 386*210db224Sericheng miocack(q, mp, sizeof (dld_ioc_attr_t), 0); 387*210db224Sericheng return; 388*210db224Sericheng 389*210db224Sericheng failed: 390*210db224Sericheng ASSERT(err != 0); 391*210db224Sericheng if (err == ENOENT) { 392*210db224Sericheng char devname[MAXNAMELEN]; 393*210db224Sericheng uint_t instance; 394*210db224Sericheng major_t major; 395*210db224Sericheng 396*210db224Sericheng /* 397*210db224Sericheng * Try to detect if the specified device is gldv3 398*210db224Sericheng * and return ENODEV if it is not. 399*210db224Sericheng */ 400*210db224Sericheng if (ddi_parse(diap->dia_name, devname, &instance) == 0 && 401*210db224Sericheng (major = ddi_name_to_major(devname)) != (major_t)-1 && 402*210db224Sericheng !GLDV3_DRV(major)) 403*210db224Sericheng err = ENODEV; 404*210db224Sericheng } 405*210db224Sericheng miocnak(q, mp, 0, err); 4067c478bd9Sstevel@tonic-gate } 4077c478bd9Sstevel@tonic-gate 408*210db224Sericheng 4097c478bd9Sstevel@tonic-gate /* 410*210db224Sericheng * DLDIOCVLAN 4117c478bd9Sstevel@tonic-gate */ 412*210db224Sericheng typedef struct dld_ioc_vlan_state { 413*210db224Sericheng uint_t bytes_left; 414*210db224Sericheng uint_t count; 415*210db224Sericheng dld_vlan_info_t *vlanp; 416*210db224Sericheng } dld_ioc_vlan_state_t; 417*210db224Sericheng 418*210db224Sericheng static int 419*210db224Sericheng drv_ioc_vlan_info(dls_vlan_t *dvp, void *arg) 420*210db224Sericheng { 421*210db224Sericheng dld_ioc_vlan_state_t *statep = arg; 422*210db224Sericheng 423*210db224Sericheng if (statep->bytes_left < sizeof (dld_vlan_info_t)) 424*210db224Sericheng return (ENOSPC); 425*210db224Sericheng 426*210db224Sericheng (void) strlcpy(statep->vlanp->dvi_name, dvp->dv_name, IFNAMSIZ); 427*210db224Sericheng statep->vlanp->dvi_vid = dvp->dv_id; 428*210db224Sericheng 429*210db224Sericheng statep->count++; 430*210db224Sericheng statep->bytes_left -= sizeof (dld_vlan_info_t); 431*210db224Sericheng statep->vlanp += 1; 432*210db224Sericheng return (0); 433*210db224Sericheng } 434*210db224Sericheng 4357c478bd9Sstevel@tonic-gate static void 436*210db224Sericheng drv_ioc_vlan(dld_ctl_str_t *ctls, mblk_t *mp) 4377c478bd9Sstevel@tonic-gate { 438*210db224Sericheng dld_ioc_vlan_t *divp; 439*210db224Sericheng dld_ioc_vlan_state_t state; 440*210db224Sericheng int err = EINVAL; 441*210db224Sericheng queue_t *q = ctls->cs_wq; 4427c478bd9Sstevel@tonic-gate 443*210db224Sericheng if ((err = miocpullup(mp, sizeof (dld_ioc_vlan_t))) != 0) 444*210db224Sericheng goto failed; 4457c478bd9Sstevel@tonic-gate 446*210db224Sericheng divp = (dld_ioc_vlan_t *)mp->b_cont->b_rptr; 447*210db224Sericheng state.bytes_left = MBLKL(mp->b_cont) - sizeof (dld_ioc_vlan_t); 448*210db224Sericheng state.count = 0; 449*210db224Sericheng state.vlanp = (dld_vlan_info_t *)(divp + 1); 4507c478bd9Sstevel@tonic-gate 451*210db224Sericheng err = dls_vlan_walk(drv_ioc_vlan_info, &state); 452*210db224Sericheng if (err != 0) 453*210db224Sericheng goto failed; 454*210db224Sericheng 455*210db224Sericheng divp->div_count = state.count; 456*210db224Sericheng miocack(q, mp, sizeof (dld_ioc_vlan_t) + 457*210db224Sericheng state.count * sizeof (dld_vlan_info_t), 0); 458*210db224Sericheng return; 459*210db224Sericheng 460*210db224Sericheng failed: 461*210db224Sericheng ASSERT(err != 0); 462*210db224Sericheng miocnak(q, mp, 0, err); 463*210db224Sericheng } 464*210db224Sericheng 465*210db224Sericheng 466*210db224Sericheng /* 467*210db224Sericheng * Process an IOCTL message received by the control node. 468*210db224Sericheng */ 469*210db224Sericheng static void 470*210db224Sericheng drv_ioc(dld_ctl_str_t *ctls, mblk_t *mp) 471*210db224Sericheng { 472*210db224Sericheng uint_t cmd; 473*210db224Sericheng 474*210db224Sericheng cmd = ((struct iocblk *)mp->b_rptr)->ioc_cmd; 475*210db224Sericheng switch (cmd) { 476*210db224Sericheng case DLDIOCATTR: 477*210db224Sericheng drv_ioc_attr(ctls, mp); 478*210db224Sericheng return; 479*210db224Sericheng case DLDIOCVLAN: 480*210db224Sericheng drv_ioc_vlan(ctls, mp); 4817c478bd9Sstevel@tonic-gate return; 482*210db224Sericheng default: 483*210db224Sericheng miocnak(ctls->cs_wq, mp, 0, ENOTSUP); 484*210db224Sericheng return; 485*210db224Sericheng } 486*210db224Sericheng } 4877c478bd9Sstevel@tonic-gate 488*210db224Sericheng /* 489*210db224Sericheng * Write side put routine of the dld control node. 490*210db224Sericheng */ 491*210db224Sericheng static void 492*210db224Sericheng drv_uw_put(queue_t *q, mblk_t *mp) 493*210db224Sericheng { 494*210db224Sericheng dld_ctl_str_t *ctls = q->q_ptr; 495*210db224Sericheng 496*210db224Sericheng switch (mp->b_datap->db_type) { 497*210db224Sericheng case M_IOCTL: 498*210db224Sericheng drv_ioc(ctls, mp); 499*210db224Sericheng break; 500*210db224Sericheng default: 501*210db224Sericheng freemsg(mp); 502*210db224Sericheng break; 503*210db224Sericheng } 504*210db224Sericheng } 505*210db224Sericheng 506*210db224Sericheng /* 507*210db224Sericheng * Write-side service procedure. 508*210db224Sericheng */ 509*210db224Sericheng void 510*210db224Sericheng drv_uw_srv(queue_t *q) 511*210db224Sericheng { 512*210db224Sericheng mblk_t *mp; 513*210db224Sericheng 514*210db224Sericheng while (mp = getq(q)) 515*210db224Sericheng drv_uw_put(q, mp); 5167c478bd9Sstevel@tonic-gate } 517