1da14cebeSEric Cheng /* 2da14cebeSEric Cheng * CDDL HEADER START 3da14cebeSEric Cheng * 4da14cebeSEric Cheng * The contents of this file are subject to the terms of the 5da14cebeSEric Cheng * Common Development and Distribution License (the "License"). 6da14cebeSEric Cheng * You may not use this file except in compliance with the License. 7da14cebeSEric Cheng * 8da14cebeSEric Cheng * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9da14cebeSEric Cheng * or http://www.opensolaris.org/os/licensing. 10da14cebeSEric Cheng * See the License for the specific language governing permissions 11da14cebeSEric Cheng * and limitations under the License. 12da14cebeSEric Cheng * 13da14cebeSEric Cheng * When distributing Covered Code, include this CDDL HEADER in each 14da14cebeSEric Cheng * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15da14cebeSEric Cheng * If applicable, add the following below this CDDL HEADER, with the 16da14cebeSEric Cheng * fields enclosed by brackets "[]" replaced with your own identifying 17da14cebeSEric Cheng * information: Portions Copyright [yyyy] [name of copyright owner] 18da14cebeSEric Cheng * 19da14cebeSEric Cheng * CDDL HEADER END 20da14cebeSEric Cheng */ 21da14cebeSEric Cheng 22da14cebeSEric Cheng /* 230591ddd0SPrakash Jalan * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved. 24*84de666eSRyan Zezeski * Copyright 2018 Joyent, Inc. 258241ccbbSDan McDonald * Copyright 2017 OmniTI Computer Consulting, Inc. All rights reserved. 26da14cebeSEric Cheng */ 27da14cebeSEric Cheng 28da14cebeSEric Cheng #include <sys/types.h> 29da14cebeSEric Cheng #include <sys/conf.h> 30da14cebeSEric Cheng #include <sys/id_space.h> 31da14cebeSEric Cheng #include <sys/esunddi.h> 32da14cebeSEric Cheng #include <sys/stat.h> 33da14cebeSEric Cheng #include <sys/mkdev.h> 34da14cebeSEric Cheng #include <sys/stream.h> 35da14cebeSEric Cheng #include <sys/strsubr.h> 36da14cebeSEric Cheng #include <sys/dlpi.h> 37da14cebeSEric Cheng #include <sys/modhash.h> 38da14cebeSEric Cheng #include <sys/mac.h> 39da14cebeSEric Cheng #include <sys/mac_provider.h> 40da14cebeSEric Cheng #include <sys/mac_impl.h> 41da14cebeSEric Cheng #include <sys/mac_client_impl.h> 42da14cebeSEric Cheng #include <sys/mac_client_priv.h> 43da14cebeSEric Cheng #include <sys/mac_soft_ring.h> 440dc2366fSVenugopal Iyer #include <sys/mac_stat.h> 4561af1958SGarrett D'Amore #include <sys/dld.h> 46da14cebeSEric Cheng #include <sys/modctl.h> 47da14cebeSEric Cheng #include <sys/fs/dv_node.h> 48da14cebeSEric Cheng #include <sys/thread.h> 49da14cebeSEric Cheng #include <sys/proc.h> 50da14cebeSEric Cheng #include <sys/callb.h> 51da14cebeSEric Cheng #include <sys/cpuvar.h> 52da14cebeSEric Cheng #include <sys/atomic.h> 53da14cebeSEric Cheng #include <sys/sdt.h> 54da14cebeSEric Cheng #include <sys/mac_flow.h> 55da14cebeSEric Cheng #include <sys/ddi_intr_impl.h> 56da14cebeSEric Cheng #include <sys/disp.h> 57da14cebeSEric Cheng #include <sys/sdt.h> 580dc2366fSVenugopal Iyer #include <sys/pattr.h> 590dc2366fSVenugopal Iyer #include <sys/strsun.h> 60*84de666eSRyan Zezeski #include <sys/vlan.h> 61da14cebeSEric Cheng 62da14cebeSEric Cheng /* 63da14cebeSEric Cheng * MAC Provider Interface. 64da14cebeSEric Cheng * 65da14cebeSEric Cheng * Interface for GLDv3 compatible NIC drivers. 66da14cebeSEric Cheng */ 67da14cebeSEric Cheng 68da14cebeSEric Cheng static void i_mac_notify_thread(void *); 69da14cebeSEric Cheng 70da14cebeSEric Cheng typedef void (*mac_notify_default_cb_fn_t)(mac_impl_t *); 71da14cebeSEric Cheng 724eaa4710SRishi Srivatsavai static const mac_notify_default_cb_fn_t mac_notify_cb_list[MAC_NNOTE] = { 734eaa4710SRishi Srivatsavai mac_fanout_recompute, /* MAC_NOTE_LINK */ 744eaa4710SRishi Srivatsavai NULL, /* MAC_NOTE_UNICST */ 754eaa4710SRishi Srivatsavai NULL, /* MAC_NOTE_TX */ 764eaa4710SRishi Srivatsavai NULL, /* MAC_NOTE_DEVPROMISC */ 774eaa4710SRishi Srivatsavai NULL, /* MAC_NOTE_FASTPATH_FLUSH */ 784eaa4710SRishi Srivatsavai NULL, /* MAC_NOTE_SDU_SIZE */ 794eaa4710SRishi Srivatsavai NULL, /* MAC_NOTE_MARGIN */ 804eaa4710SRishi Srivatsavai NULL, /* MAC_NOTE_CAPAB_CHG */ 814eaa4710SRishi Srivatsavai NULL /* MAC_NOTE_LOWLINK */ 82da14cebeSEric Cheng }; 83da14cebeSEric Cheng 84da14cebeSEric Cheng /* 85da14cebeSEric Cheng * Driver support functions. 86da14cebeSEric Cheng */ 87da14cebeSEric Cheng 88da14cebeSEric Cheng /* REGISTRATION */ 89da14cebeSEric Cheng 90da14cebeSEric Cheng mac_register_t * 91da14cebeSEric Cheng mac_alloc(uint_t mac_version) 92da14cebeSEric Cheng { 93da14cebeSEric Cheng mac_register_t *mregp; 94da14cebeSEric Cheng 95da14cebeSEric Cheng /* 96da14cebeSEric Cheng * Make sure there isn't a version mismatch between the driver and 97da14cebeSEric Cheng * the framework. In the future, if multiple versions are 98da14cebeSEric Cheng * supported, this check could become more sophisticated. 99da14cebeSEric Cheng */ 100da14cebeSEric Cheng if (mac_version != MAC_VERSION) 101da14cebeSEric Cheng return (NULL); 102da14cebeSEric Cheng 103da14cebeSEric Cheng mregp = kmem_zalloc(sizeof (mac_register_t), KM_SLEEP); 104da14cebeSEric Cheng mregp->m_version = mac_version; 105da14cebeSEric Cheng return (mregp); 106da14cebeSEric Cheng } 107da14cebeSEric Cheng 108da14cebeSEric Cheng void 109da14cebeSEric Cheng mac_free(mac_register_t *mregp) 110da14cebeSEric Cheng { 111da14cebeSEric Cheng kmem_free(mregp, sizeof (mac_register_t)); 112da14cebeSEric Cheng } 113da14cebeSEric Cheng 114da14cebeSEric Cheng /* 115da14cebeSEric Cheng * mac_register() is how drivers register new MACs with the GLDv3 116da14cebeSEric Cheng * framework. The mregp argument is allocated by drivers using the 117da14cebeSEric Cheng * mac_alloc() function, and can be freed using mac_free() immediately upon 118da14cebeSEric Cheng * return from mac_register(). Upon success (0 return value), the mhp 119da14cebeSEric Cheng * opaque pointer becomes the driver's handle to its MAC interface, and is 120da14cebeSEric Cheng * the argument to all other mac module entry points. 121da14cebeSEric Cheng */ 122da14cebeSEric Cheng /* ARGSUSED */ 123da14cebeSEric Cheng int 124da14cebeSEric Cheng mac_register(mac_register_t *mregp, mac_handle_t *mhp) 125da14cebeSEric Cheng { 126da14cebeSEric Cheng mac_impl_t *mip; 127da14cebeSEric Cheng mactype_t *mtype; 128da14cebeSEric Cheng int err = EINVAL; 129da14cebeSEric Cheng struct devnames *dnp = NULL; 130da14cebeSEric Cheng uint_t instance; 131da14cebeSEric Cheng boolean_t style1_created = B_FALSE; 132da14cebeSEric Cheng boolean_t style2_created = B_FALSE; 133da14cebeSEric Cheng char *driver; 134da14cebeSEric Cheng minor_t minor = 0; 135da14cebeSEric Cheng 136ee94b1c3SSebastien Roy /* A successful call to mac_init_ops() sets the DN_GLDV3_DRIVER flag. */ 137ee94b1c3SSebastien Roy if (!GLDV3_DRV(ddi_driver_major(mregp->m_dip))) 138ee94b1c3SSebastien Roy return (EINVAL); 139ee94b1c3SSebastien Roy 140da14cebeSEric Cheng /* Find the required MAC-Type plugin. */ 141da14cebeSEric Cheng if ((mtype = mactype_getplugin(mregp->m_type_ident)) == NULL) 142da14cebeSEric Cheng return (EINVAL); 143da14cebeSEric Cheng 144da14cebeSEric Cheng /* Create a mac_impl_t to represent this MAC. */ 145da14cebeSEric Cheng mip = kmem_cache_alloc(i_mac_impl_cachep, KM_SLEEP); 146da14cebeSEric Cheng 147da14cebeSEric Cheng /* 148da14cebeSEric Cheng * The mac is not ready for open yet. 149da14cebeSEric Cheng */ 150da14cebeSEric Cheng mip->mi_state_flags |= MIS_DISABLED; 151da14cebeSEric Cheng 152da14cebeSEric Cheng /* 153da14cebeSEric Cheng * When a mac is registered, the m_instance field can be set to: 154da14cebeSEric Cheng * 155da14cebeSEric Cheng * 0: Get the mac's instance number from m_dip. 156da14cebeSEric Cheng * This is usually used for physical device dips. 157da14cebeSEric Cheng * 158da14cebeSEric Cheng * [1 .. MAC_MAX_MINOR-1]: Use the value as the mac's instance number. 159da14cebeSEric Cheng * For example, when an aggregation is created with the key option, 160da14cebeSEric Cheng * "key" will be used as the instance number. 161da14cebeSEric Cheng * 162da14cebeSEric Cheng * -1: Assign an instance number from [MAC_MAX_MINOR .. MAXMIN-1]. 163da14cebeSEric Cheng * This is often used when a MAC of a virtual link is registered 164da14cebeSEric Cheng * (e.g., aggregation when "key" is not specified, or vnic). 165da14cebeSEric Cheng * 166da14cebeSEric Cheng * Note that the instance number is used to derive the mi_minor field 167da14cebeSEric Cheng * of mac_impl_t, which will then be used to derive the name of kstats 168da14cebeSEric Cheng * and the devfs nodes. The first 2 cases are needed to preserve 169da14cebeSEric Cheng * backward compatibility. 170da14cebeSEric Cheng */ 171da14cebeSEric Cheng switch (mregp->m_instance) { 172da14cebeSEric Cheng case 0: 173da14cebeSEric Cheng instance = ddi_get_instance(mregp->m_dip); 174da14cebeSEric Cheng break; 175da14cebeSEric Cheng case ((uint_t)-1): 176da14cebeSEric Cheng minor = mac_minor_hold(B_TRUE); 177da14cebeSEric Cheng if (minor == 0) { 178da14cebeSEric Cheng err = ENOSPC; 179da14cebeSEric Cheng goto fail; 180da14cebeSEric Cheng } 181da14cebeSEric Cheng instance = minor - 1; 182da14cebeSEric Cheng break; 183da14cebeSEric Cheng default: 184da14cebeSEric Cheng instance = mregp->m_instance; 185da14cebeSEric Cheng if (instance >= MAC_MAX_MINOR) { 186da14cebeSEric Cheng err = EINVAL; 187da14cebeSEric Cheng goto fail; 188da14cebeSEric Cheng } 189da14cebeSEric Cheng break; 190da14cebeSEric Cheng } 191da14cebeSEric Cheng 192da14cebeSEric Cheng mip->mi_minor = (minor_t)(instance + 1); 193da14cebeSEric Cheng mip->mi_dip = mregp->m_dip; 194da14cebeSEric Cheng mip->mi_clients_list = NULL; 195da14cebeSEric Cheng mip->mi_nclients = 0; 196da14cebeSEric Cheng 1974eaa4710SRishi Srivatsavai /* Set the default IEEE Port VLAN Identifier */ 1984eaa4710SRishi Srivatsavai mip->mi_pvid = 1; 1994eaa4710SRishi Srivatsavai 2004eaa4710SRishi Srivatsavai /* Default bridge link learning protection values */ 2014eaa4710SRishi Srivatsavai mip->mi_llimit = 1000; 2024eaa4710SRishi Srivatsavai mip->mi_ldecay = 200; 2034eaa4710SRishi Srivatsavai 204da14cebeSEric Cheng driver = (char *)ddi_driver_name(mip->mi_dip); 205da14cebeSEric Cheng 206da14cebeSEric Cheng /* Construct the MAC name as <drvname><instance> */ 207da14cebeSEric Cheng (void) snprintf(mip->mi_name, sizeof (mip->mi_name), "%s%d", 208da14cebeSEric Cheng driver, instance); 209da14cebeSEric Cheng 210da14cebeSEric Cheng mip->mi_driver = mregp->m_driver; 211da14cebeSEric Cheng 212da14cebeSEric Cheng mip->mi_type = mtype; 213da14cebeSEric Cheng mip->mi_margin = mregp->m_margin; 214da14cebeSEric Cheng mip->mi_info.mi_media = mtype->mt_type; 215da14cebeSEric Cheng mip->mi_info.mi_nativemedia = mtype->mt_nativetype; 216da14cebeSEric Cheng if (mregp->m_max_sdu <= mregp->m_min_sdu) 217da14cebeSEric Cheng goto fail; 2181eee170aSErik Nordmark if (mregp->m_multicast_sdu == 0) 2191eee170aSErik Nordmark mregp->m_multicast_sdu = mregp->m_max_sdu; 2201eee170aSErik Nordmark if (mregp->m_multicast_sdu < mregp->m_min_sdu || 2211eee170aSErik Nordmark mregp->m_multicast_sdu > mregp->m_max_sdu) 2221eee170aSErik Nordmark goto fail; 223da14cebeSEric Cheng mip->mi_sdu_min = mregp->m_min_sdu; 224da14cebeSEric Cheng mip->mi_sdu_max = mregp->m_max_sdu; 2251eee170aSErik Nordmark mip->mi_sdu_multicast = mregp->m_multicast_sdu; 226da14cebeSEric Cheng mip->mi_info.mi_addr_length = mip->mi_type->mt_addr_length; 227da14cebeSEric Cheng /* 228da14cebeSEric Cheng * If the media supports a broadcast address, cache a pointer to it 229da14cebeSEric Cheng * in the mac_info_t so that upper layers can use it. 230da14cebeSEric Cheng */ 231da14cebeSEric Cheng mip->mi_info.mi_brdcst_addr = mip->mi_type->mt_brdcst_addr; 232da14cebeSEric Cheng 233da14cebeSEric Cheng mip->mi_v12n_level = mregp->m_v12n; 234da14cebeSEric Cheng 235da14cebeSEric Cheng /* 236da14cebeSEric Cheng * Copy the unicast source address into the mac_info_t, but only if 237da14cebeSEric Cheng * the MAC-Type defines a non-zero address length. We need to 238da14cebeSEric Cheng * handle MAC-Types that have an address length of 0 239da14cebeSEric Cheng * (point-to-point protocol MACs for example). 240da14cebeSEric Cheng */ 241da14cebeSEric Cheng if (mip->mi_type->mt_addr_length > 0) { 242da14cebeSEric Cheng if (mregp->m_src_addr == NULL) 243da14cebeSEric Cheng goto fail; 244da14cebeSEric Cheng mip->mi_info.mi_unicst_addr = 245da14cebeSEric Cheng kmem_alloc(mip->mi_type->mt_addr_length, KM_SLEEP); 246da14cebeSEric Cheng bcopy(mregp->m_src_addr, mip->mi_info.mi_unicst_addr, 247da14cebeSEric Cheng mip->mi_type->mt_addr_length); 248da14cebeSEric Cheng 249da14cebeSEric Cheng /* 250da14cebeSEric Cheng * Copy the fixed 'factory' MAC address from the immutable 251da14cebeSEric Cheng * info. This is taken to be the MAC address currently in 252da14cebeSEric Cheng * use. 253da14cebeSEric Cheng */ 254da14cebeSEric Cheng bcopy(mip->mi_info.mi_unicst_addr, mip->mi_addr, 255da14cebeSEric Cheng mip->mi_type->mt_addr_length); 256da14cebeSEric Cheng 257da14cebeSEric Cheng /* 258da14cebeSEric Cheng * At this point, we should set up the classification 259da14cebeSEric Cheng * rules etc but we delay it till mac_open() so that 260da14cebeSEric Cheng * the resource discovery has taken place and we 261da14cebeSEric Cheng * know someone wants to use the device. Otherwise 262da14cebeSEric Cheng * memory gets allocated for Rx ring structures even 263da14cebeSEric Cheng * during probe. 264da14cebeSEric Cheng */ 265da14cebeSEric Cheng 266da14cebeSEric Cheng /* Copy the destination address if one is provided. */ 267da14cebeSEric Cheng if (mregp->m_dst_addr != NULL) { 268da14cebeSEric Cheng bcopy(mregp->m_dst_addr, mip->mi_dstaddr, 269da14cebeSEric Cheng mip->mi_type->mt_addr_length); 2702b24ab6bSSebastien Roy mip->mi_dstaddr_set = B_TRUE; 271da14cebeSEric Cheng } 272da14cebeSEric Cheng } else if (mregp->m_src_addr != NULL) { 273da14cebeSEric Cheng goto fail; 274da14cebeSEric Cheng } 275da14cebeSEric Cheng 276da14cebeSEric Cheng /* 277da14cebeSEric Cheng * The format of the m_pdata is specific to the plugin. It is 278da14cebeSEric Cheng * passed in as an argument to all of the plugin callbacks. The 279da14cebeSEric Cheng * driver can update this information by calling 280da14cebeSEric Cheng * mac_pdata_update(). 281da14cebeSEric Cheng */ 2822b24ab6bSSebastien Roy if (mip->mi_type->mt_ops.mtops_ops & MTOPS_PDATA_VERIFY) { 283da14cebeSEric Cheng /* 2842b24ab6bSSebastien Roy * Verify if the supplied plugin data is valid. Note that 2852b24ab6bSSebastien Roy * even if the caller passed in a NULL pointer as plugin data, 2862b24ab6bSSebastien Roy * we still need to verify if that's valid as the plugin may 2872b24ab6bSSebastien Roy * require plugin data to function. 288da14cebeSEric Cheng */ 289da14cebeSEric Cheng if (!mip->mi_type->mt_ops.mtops_pdata_verify(mregp->m_pdata, 290da14cebeSEric Cheng mregp->m_pdata_size)) { 291da14cebeSEric Cheng goto fail; 292da14cebeSEric Cheng } 2932b24ab6bSSebastien Roy if (mregp->m_pdata != NULL) { 2942b24ab6bSSebastien Roy mip->mi_pdata = 2952b24ab6bSSebastien Roy kmem_alloc(mregp->m_pdata_size, KM_SLEEP); 2962b24ab6bSSebastien Roy bcopy(mregp->m_pdata, mip->mi_pdata, 2972b24ab6bSSebastien Roy mregp->m_pdata_size); 2982b24ab6bSSebastien Roy mip->mi_pdata_size = mregp->m_pdata_size; 2992b24ab6bSSebastien Roy } 3002b24ab6bSSebastien Roy } else if (mregp->m_pdata != NULL) { 3012b24ab6bSSebastien Roy /* 3022b24ab6bSSebastien Roy * The caller supplied non-NULL plugin data, but the plugin 3032b24ab6bSSebastien Roy * does not recognize plugin data. 3042b24ab6bSSebastien Roy */ 3052b24ab6bSSebastien Roy err = EINVAL; 3062b24ab6bSSebastien Roy goto fail; 307da14cebeSEric Cheng } 308da14cebeSEric Cheng 309da14cebeSEric Cheng /* 310da14cebeSEric Cheng * Register the private properties. 311da14cebeSEric Cheng */ 3120dc2366fSVenugopal Iyer mac_register_priv_prop(mip, mregp->m_priv_props); 313da14cebeSEric Cheng 314da14cebeSEric Cheng /* 315da14cebeSEric Cheng * Stash the driver callbacks into the mac_impl_t, but first sanity 316da14cebeSEric Cheng * check to make sure all mandatory callbacks are set. 317da14cebeSEric Cheng */ 318da14cebeSEric Cheng if (mregp->m_callbacks->mc_getstat == NULL || 319da14cebeSEric Cheng mregp->m_callbacks->mc_start == NULL || 320da14cebeSEric Cheng mregp->m_callbacks->mc_stop == NULL || 321da14cebeSEric Cheng mregp->m_callbacks->mc_setpromisc == NULL || 322da14cebeSEric Cheng mregp->m_callbacks->mc_multicst == NULL) { 323da14cebeSEric Cheng goto fail; 324da14cebeSEric Cheng } 325da14cebeSEric Cheng mip->mi_callbacks = mregp->m_callbacks; 326da14cebeSEric Cheng 3275d460eafSCathy Zhou if (mac_capab_get((mac_handle_t)mip, MAC_CAPAB_LEGACY, 3285d460eafSCathy Zhou &mip->mi_capab_legacy)) { 329da14cebeSEric Cheng mip->mi_state_flags |= MIS_LEGACY; 3305d460eafSCathy Zhou mip->mi_phy_dev = mip->mi_capab_legacy.ml_dev; 331da14cebeSEric Cheng } else { 332da14cebeSEric Cheng mip->mi_phy_dev = makedevice(ddi_driver_major(mip->mi_dip), 33361af1958SGarrett D'Amore mip->mi_minor); 334da14cebeSEric Cheng } 335da14cebeSEric Cheng 336da14cebeSEric Cheng /* 337da14cebeSEric Cheng * Allocate a notification thread. thread_create blocks for memory 338da14cebeSEric Cheng * if needed, it never fails. 339da14cebeSEric Cheng */ 340da14cebeSEric Cheng mip->mi_notify_thread = thread_create(NULL, 0, i_mac_notify_thread, 341da14cebeSEric Cheng mip, 0, &p0, TS_RUN, minclsyspri); 342da14cebeSEric Cheng 343da14cebeSEric Cheng /* 344da14cebeSEric Cheng * Initialize the capabilities 345da14cebeSEric Cheng */ 346da14cebeSEric Cheng 3470dc2366fSVenugopal Iyer bzero(&mip->mi_rx_rings_cap, sizeof (mac_capab_rings_t)); 3480dc2366fSVenugopal Iyer bzero(&mip->mi_tx_rings_cap, sizeof (mac_capab_rings_t)); 3490dc2366fSVenugopal Iyer 350da14cebeSEric Cheng if (i_mac_capab_get((mac_handle_t)mip, MAC_CAPAB_VNIC, NULL)) 351da14cebeSEric Cheng mip->mi_state_flags |= MIS_IS_VNIC; 352da14cebeSEric Cheng 353da14cebeSEric Cheng if (i_mac_capab_get((mac_handle_t)mip, MAC_CAPAB_AGGR, NULL)) 354da14cebeSEric Cheng mip->mi_state_flags |= MIS_IS_AGGR; 355da14cebeSEric Cheng 356da14cebeSEric Cheng mac_addr_factory_init(mip); 357da14cebeSEric Cheng 35845d3dd98SRobert Mustacchi mac_transceiver_init(mip); 35945d3dd98SRobert Mustacchi 360c1e9c696SRobert Mustacchi mac_led_init(mip); 361c1e9c696SRobert Mustacchi 362da14cebeSEric Cheng /* 363da14cebeSEric Cheng * Enforce the virtrualization level registered. 364da14cebeSEric Cheng */ 365da14cebeSEric Cheng if (mip->mi_v12n_level & MAC_VIRT_LEVEL1) { 366da14cebeSEric Cheng if (mac_init_rings(mip, MAC_RING_TYPE_RX) != 0 || 367da14cebeSEric Cheng mac_init_rings(mip, MAC_RING_TYPE_TX) != 0) 368da14cebeSEric Cheng goto fail; 369da14cebeSEric Cheng 370da14cebeSEric Cheng /* 371da14cebeSEric Cheng * The driver needs to register at least rx rings for this 372da14cebeSEric Cheng * virtualization level. 373da14cebeSEric Cheng */ 374da14cebeSEric Cheng if (mip->mi_rx_groups == NULL) 375da14cebeSEric Cheng goto fail; 376da14cebeSEric Cheng } 377da14cebeSEric Cheng 378da14cebeSEric Cheng /* 379da14cebeSEric Cheng * The driver must set mc_unicst entry point to NULL when it advertises 380da14cebeSEric Cheng * CAP_RINGS for rx groups. 381da14cebeSEric Cheng */ 382da14cebeSEric Cheng if (mip->mi_rx_groups != NULL) { 383da14cebeSEric Cheng if (mregp->m_callbacks->mc_unicst != NULL) 384da14cebeSEric Cheng goto fail; 385da14cebeSEric Cheng } else { 386da14cebeSEric Cheng if (mregp->m_callbacks->mc_unicst == NULL) 387da14cebeSEric Cheng goto fail; 388da14cebeSEric Cheng } 389da14cebeSEric Cheng 390da14cebeSEric Cheng /* 391da14cebeSEric Cheng * Initialize MAC addresses. Must be called after mac_init_rings(). 392da14cebeSEric Cheng */ 393da14cebeSEric Cheng mac_init_macaddr(mip); 394da14cebeSEric Cheng 395da14cebeSEric Cheng mip->mi_share_capab.ms_snum = 0; 396da14cebeSEric Cheng if (mip->mi_v12n_level & MAC_VIRT_HIO) { 397da14cebeSEric Cheng (void) mac_capab_get((mac_handle_t)mip, MAC_CAPAB_SHARES, 398da14cebeSEric Cheng &mip->mi_share_capab); 399da14cebeSEric Cheng } 400da14cebeSEric Cheng 401da14cebeSEric Cheng /* 402da14cebeSEric Cheng * Initialize the kstats for this device. 403da14cebeSEric Cheng */ 4040dc2366fSVenugopal Iyer mac_driver_stat_create(mip); 405da14cebeSEric Cheng 406da14cebeSEric Cheng /* Zero out any properties. */ 407da14cebeSEric Cheng bzero(&mip->mi_resource_props, sizeof (mac_resource_props_t)); 408da14cebeSEric Cheng 4093ade6e84SGarrett D'Amore if (mip->mi_minor <= MAC_MAX_MINOR) { 410da14cebeSEric Cheng /* Create a style-2 DLPI device */ 411da14cebeSEric Cheng if (ddi_create_minor_node(mip->mi_dip, driver, S_IFCHR, 0, 412da14cebeSEric Cheng DDI_NT_NET, CLONE_DEV) != DDI_SUCCESS) 413da14cebeSEric Cheng goto fail; 414da14cebeSEric Cheng style2_created = B_TRUE; 415da14cebeSEric Cheng 416da14cebeSEric Cheng /* Create a style-1 DLPI device */ 417da14cebeSEric Cheng if (ddi_create_minor_node(mip->mi_dip, mip->mi_name, S_IFCHR, 418da14cebeSEric Cheng mip->mi_minor, DDI_NT_NET, 0) != DDI_SUCCESS) 419da14cebeSEric Cheng goto fail; 420da14cebeSEric Cheng style1_created = B_TRUE; 421da14cebeSEric Cheng } 422da14cebeSEric Cheng 423da14cebeSEric Cheng mac_flow_l2tab_create(mip, &mip->mi_flow_tab); 424da14cebeSEric Cheng 425da14cebeSEric Cheng rw_enter(&i_mac_impl_lock, RW_WRITER); 426da14cebeSEric Cheng if (mod_hash_insert(i_mac_impl_hash, 427da14cebeSEric Cheng (mod_hash_key_t)mip->mi_name, (mod_hash_val_t)mip) != 0) { 428da14cebeSEric Cheng rw_exit(&i_mac_impl_lock); 429da14cebeSEric Cheng err = EEXIST; 430da14cebeSEric Cheng goto fail; 431da14cebeSEric Cheng } 432da14cebeSEric Cheng 433da14cebeSEric Cheng DTRACE_PROBE2(mac__register, struct devnames *, dnp, 434da14cebeSEric Cheng (mac_impl_t *), mip); 435da14cebeSEric Cheng 436da14cebeSEric Cheng /* 437da14cebeSEric Cheng * Mark the MAC to be ready for open. 438da14cebeSEric Cheng */ 439da14cebeSEric Cheng mip->mi_state_flags &= ~MIS_DISABLED; 440da14cebeSEric Cheng rw_exit(&i_mac_impl_lock); 441da14cebeSEric Cheng 442da14cebeSEric Cheng atomic_inc_32(&i_mac_impl_count); 443da14cebeSEric Cheng 444da14cebeSEric Cheng cmn_err(CE_NOTE, "!%s registered", mip->mi_name); 445da14cebeSEric Cheng *mhp = (mac_handle_t)mip; 446da14cebeSEric Cheng return (0); 447da14cebeSEric Cheng 448da14cebeSEric Cheng fail: 449da14cebeSEric Cheng if (style1_created) 450da14cebeSEric Cheng ddi_remove_minor_node(mip->mi_dip, mip->mi_name); 451da14cebeSEric Cheng 452da14cebeSEric Cheng if (style2_created) 453da14cebeSEric Cheng ddi_remove_minor_node(mip->mi_dip, driver); 454da14cebeSEric Cheng 455da14cebeSEric Cheng mac_addr_factory_fini(mip); 456da14cebeSEric Cheng 457da14cebeSEric Cheng /* Clean up registered MAC addresses */ 458da14cebeSEric Cheng mac_fini_macaddr(mip); 459da14cebeSEric Cheng 460da14cebeSEric Cheng /* Clean up registered rings */ 461da14cebeSEric Cheng mac_free_rings(mip, MAC_RING_TYPE_RX); 462da14cebeSEric Cheng mac_free_rings(mip, MAC_RING_TYPE_TX); 463da14cebeSEric Cheng 464da14cebeSEric Cheng /* Clean up notification thread */ 465da14cebeSEric Cheng if (mip->mi_notify_thread != NULL) 466da14cebeSEric Cheng i_mac_notify_exit(mip); 467da14cebeSEric Cheng 468da14cebeSEric Cheng if (mip->mi_info.mi_unicst_addr != NULL) { 469da14cebeSEric Cheng kmem_free(mip->mi_info.mi_unicst_addr, 470da14cebeSEric Cheng mip->mi_type->mt_addr_length); 471da14cebeSEric Cheng mip->mi_info.mi_unicst_addr = NULL; 472da14cebeSEric Cheng } 473da14cebeSEric Cheng 4740dc2366fSVenugopal Iyer mac_driver_stat_delete(mip); 475da14cebeSEric Cheng 476da14cebeSEric Cheng if (mip->mi_type != NULL) { 477da14cebeSEric Cheng atomic_dec_32(&mip->mi_type->mt_ref); 478da14cebeSEric Cheng mip->mi_type = NULL; 479da14cebeSEric Cheng } 480da14cebeSEric Cheng 481da14cebeSEric Cheng if (mip->mi_pdata != NULL) { 482da14cebeSEric Cheng kmem_free(mip->mi_pdata, mip->mi_pdata_size); 483da14cebeSEric Cheng mip->mi_pdata = NULL; 484da14cebeSEric Cheng mip->mi_pdata_size = 0; 485da14cebeSEric Cheng } 486da14cebeSEric Cheng 487da14cebeSEric Cheng if (minor != 0) { 488da14cebeSEric Cheng ASSERT(minor > MAC_MAX_MINOR); 489da14cebeSEric Cheng mac_minor_rele(minor); 490da14cebeSEric Cheng } 491da14cebeSEric Cheng 4920dc2366fSVenugopal Iyer mip->mi_state_flags = 0; 493da14cebeSEric Cheng mac_unregister_priv_prop(mip); 494da14cebeSEric Cheng 495783f25ceSMichael Speer /* 496783f25ceSMichael Speer * Clear the state before destroying the mac_impl_t 497783f25ceSMichael Speer */ 498783f25ceSMichael Speer mip->mi_state_flags = 0; 499783f25ceSMichael Speer 500da14cebeSEric Cheng kmem_cache_free(i_mac_impl_cachep, mip); 501da14cebeSEric Cheng return (err); 502da14cebeSEric Cheng } 503da14cebeSEric Cheng 504da14cebeSEric Cheng /* 505da14cebeSEric Cheng * Unregister from the GLDv3 framework 506da14cebeSEric Cheng */ 507da14cebeSEric Cheng int 508da14cebeSEric Cheng mac_unregister(mac_handle_t mh) 509da14cebeSEric Cheng { 510da14cebeSEric Cheng int err; 511da14cebeSEric Cheng mac_impl_t *mip = (mac_impl_t *)mh; 512da14cebeSEric Cheng mod_hash_val_t val; 513da14cebeSEric Cheng mac_margin_req_t *mmr, *nextmmr; 514da14cebeSEric Cheng 515da14cebeSEric Cheng /* Fail the unregister if there are any open references to this mac. */ 516da14cebeSEric Cheng if ((err = mac_disable_nowait(mh)) != 0) 517da14cebeSEric Cheng return (err); 518da14cebeSEric Cheng 519da14cebeSEric Cheng /* 520da14cebeSEric Cheng * Clean up notification thread and wait for it to exit. 521da14cebeSEric Cheng */ 522da14cebeSEric Cheng i_mac_notify_exit(mip); 523da14cebeSEric Cheng 5248241ccbbSDan McDonald /* 5258241ccbbSDan McDonald * Prior to acquiring the MAC perimeter, remove the MAC instance from 5268241ccbbSDan McDonald * the internal hash table. Such removal means table-walkers that 5278241ccbbSDan McDonald * acquire the perimeter will not do so on behalf of what we are 5288241ccbbSDan McDonald * unregistering, which prevents a deadlock. 5298241ccbbSDan McDonald */ 5308241ccbbSDan McDonald rw_enter(&i_mac_impl_lock, RW_WRITER); 5318241ccbbSDan McDonald (void) mod_hash_remove(i_mac_impl_hash, 5328241ccbbSDan McDonald (mod_hash_key_t)mip->mi_name, &val); 5338241ccbbSDan McDonald rw_exit(&i_mac_impl_lock); 5348241ccbbSDan McDonald ASSERT(mip == (mac_impl_t *)val); 5358241ccbbSDan McDonald 536da14cebeSEric Cheng i_mac_perim_enter(mip); 537da14cebeSEric Cheng 5385d460eafSCathy Zhou /* 5395d460eafSCathy Zhou * There is still resource properties configured over this mac. 5405d460eafSCathy Zhou */ 5415d460eafSCathy Zhou if (mip->mi_resource_props.mrp_mask != 0) 5425d460eafSCathy Zhou mac_fastpath_enable((mac_handle_t)mip); 5435d460eafSCathy Zhou 544da14cebeSEric Cheng if (mip->mi_minor < MAC_MAX_MINOR + 1) { 545da14cebeSEric Cheng ddi_remove_minor_node(mip->mi_dip, mip->mi_name); 546da14cebeSEric Cheng ddi_remove_minor_node(mip->mi_dip, 547da14cebeSEric Cheng (char *)ddi_driver_name(mip->mi_dip)); 548da14cebeSEric Cheng } 549da14cebeSEric Cheng 550da14cebeSEric Cheng ASSERT(mip->mi_nactiveclients == 0 && !(mip->mi_state_flags & 551da14cebeSEric Cheng MIS_EXCLUSIVE)); 552da14cebeSEric Cheng 5530dc2366fSVenugopal Iyer mac_driver_stat_delete(mip); 554da14cebeSEric Cheng 555da14cebeSEric Cheng ASSERT(i_mac_impl_count > 0); 556da14cebeSEric Cheng atomic_dec_32(&i_mac_impl_count); 557da14cebeSEric Cheng 558da14cebeSEric Cheng if (mip->mi_pdata != NULL) 559da14cebeSEric Cheng kmem_free(mip->mi_pdata, mip->mi_pdata_size); 560da14cebeSEric Cheng mip->mi_pdata = NULL; 561da14cebeSEric Cheng mip->mi_pdata_size = 0; 562da14cebeSEric Cheng 563da14cebeSEric Cheng /* 564da14cebeSEric Cheng * Free the list of margin request. 565da14cebeSEric Cheng */ 566da14cebeSEric Cheng for (mmr = mip->mi_mmrp; mmr != NULL; mmr = nextmmr) { 567da14cebeSEric Cheng nextmmr = mmr->mmr_nextp; 568da14cebeSEric Cheng kmem_free(mmr, sizeof (mac_margin_req_t)); 569da14cebeSEric Cheng } 570da14cebeSEric Cheng mip->mi_mmrp = NULL; 571da14cebeSEric Cheng 5724eaa4710SRishi Srivatsavai mip->mi_linkstate = mip->mi_lowlinkstate = LINK_STATE_UNKNOWN; 573da14cebeSEric Cheng kmem_free(mip->mi_info.mi_unicst_addr, mip->mi_type->mt_addr_length); 574da14cebeSEric Cheng mip->mi_info.mi_unicst_addr = NULL; 575da14cebeSEric Cheng 576da14cebeSEric Cheng atomic_dec_32(&mip->mi_type->mt_ref); 577da14cebeSEric Cheng mip->mi_type = NULL; 578da14cebeSEric Cheng 579da14cebeSEric Cheng /* 580da14cebeSEric Cheng * Free the primary MAC address. 581da14cebeSEric Cheng */ 582da14cebeSEric Cheng mac_fini_macaddr(mip); 583da14cebeSEric Cheng 584da14cebeSEric Cheng /* 585da14cebeSEric Cheng * free all rings 586da14cebeSEric Cheng */ 587da14cebeSEric Cheng mac_free_rings(mip, MAC_RING_TYPE_RX); 588da14cebeSEric Cheng mac_free_rings(mip, MAC_RING_TYPE_TX); 589da14cebeSEric Cheng 590da14cebeSEric Cheng mac_addr_factory_fini(mip); 591da14cebeSEric Cheng 592da14cebeSEric Cheng bzero(mip->mi_addr, MAXMACADDRLEN); 593da14cebeSEric Cheng bzero(mip->mi_dstaddr, MAXMACADDRLEN); 5949b41bdc4SRobert Mustacchi mip->mi_dstaddr_set = B_FALSE; 595da14cebeSEric Cheng 596da14cebeSEric Cheng /* and the flows */ 597da14cebeSEric Cheng mac_flow_tab_destroy(mip->mi_flow_tab); 598da14cebeSEric Cheng mip->mi_flow_tab = NULL; 599da14cebeSEric Cheng 600da14cebeSEric Cheng if (mip->mi_minor > MAC_MAX_MINOR) 601da14cebeSEric Cheng mac_minor_rele(mip->mi_minor); 602da14cebeSEric Cheng 603da14cebeSEric Cheng cmn_err(CE_NOTE, "!%s unregistered", mip->mi_name); 604da14cebeSEric Cheng 605da14cebeSEric Cheng /* 606da14cebeSEric Cheng * Reset the perim related fields to default values before 607da14cebeSEric Cheng * kmem_cache_free 608da14cebeSEric Cheng */ 609da14cebeSEric Cheng i_mac_perim_exit(mip); 610da14cebeSEric Cheng mip->mi_state_flags = 0; 611da14cebeSEric Cheng 612da14cebeSEric Cheng mac_unregister_priv_prop(mip); 6134eaa4710SRishi Srivatsavai 6144eaa4710SRishi Srivatsavai ASSERT(mip->mi_bridge_link == NULL); 615da14cebeSEric Cheng kmem_cache_free(i_mac_impl_cachep, mip); 616da14cebeSEric Cheng 617da14cebeSEric Cheng return (0); 618da14cebeSEric Cheng } 619da14cebeSEric Cheng 620da14cebeSEric Cheng /* DATA RECEPTION */ 621da14cebeSEric Cheng 622da14cebeSEric Cheng /* 623da14cebeSEric Cheng * This function is invoked for packets received by the MAC driver in 624da14cebeSEric Cheng * interrupt context. The ring generation number provided by the driver 625da14cebeSEric Cheng * is matched with the ring generation number held in MAC. If they do not 626da14cebeSEric Cheng * match, received packets are considered stale packets coming from an older 627da14cebeSEric Cheng * assignment of the ring. Drop them. 628da14cebeSEric Cheng */ 629da14cebeSEric Cheng void 630da14cebeSEric Cheng mac_rx_ring(mac_handle_t mh, mac_ring_handle_t mrh, mblk_t *mp_chain, 631da14cebeSEric Cheng uint64_t mr_gen_num) 632da14cebeSEric Cheng { 633da14cebeSEric Cheng mac_ring_t *mr = (mac_ring_t *)mrh; 634da14cebeSEric Cheng 635da14cebeSEric Cheng if ((mr != NULL) && (mr->mr_gen_num != mr_gen_num)) { 636da14cebeSEric Cheng DTRACE_PROBE2(mac__rx__rings__stale__packet, uint64_t, 637da14cebeSEric Cheng mr->mr_gen_num, uint64_t, mr_gen_num); 638da14cebeSEric Cheng freemsgchain(mp_chain); 639da14cebeSEric Cheng return; 640da14cebeSEric Cheng } 641da14cebeSEric Cheng mac_rx(mh, (mac_resource_handle_t)mrh, mp_chain); 642da14cebeSEric Cheng } 643da14cebeSEric Cheng 644da14cebeSEric Cheng /* 6454eaa4710SRishi Srivatsavai * This function is invoked for each packet received by the underlying driver. 646da14cebeSEric Cheng */ 647da14cebeSEric Cheng void 648da14cebeSEric Cheng mac_rx(mac_handle_t mh, mac_resource_handle_t mrh, mblk_t *mp_chain) 6494eaa4710SRishi Srivatsavai { 6504eaa4710SRishi Srivatsavai mac_impl_t *mip = (mac_impl_t *)mh; 6514eaa4710SRishi Srivatsavai 6524eaa4710SRishi Srivatsavai /* 6534eaa4710SRishi Srivatsavai * Check if the link is part of a bridge. If not, then we don't need 6544eaa4710SRishi Srivatsavai * to take the lock to remain consistent. Make this common case 6554eaa4710SRishi Srivatsavai * lock-free and tail-call optimized. 6564eaa4710SRishi Srivatsavai */ 6574eaa4710SRishi Srivatsavai if (mip->mi_bridge_link == NULL) { 6584eaa4710SRishi Srivatsavai mac_rx_common(mh, mrh, mp_chain); 6594eaa4710SRishi Srivatsavai } else { 6604eaa4710SRishi Srivatsavai /* 6614eaa4710SRishi Srivatsavai * Once we take a reference on the bridge link, the bridge 6624eaa4710SRishi Srivatsavai * module itself can't unload, so the callback pointers are 6634eaa4710SRishi Srivatsavai * stable. 6644eaa4710SRishi Srivatsavai */ 6654eaa4710SRishi Srivatsavai mutex_enter(&mip->mi_bridge_lock); 6664eaa4710SRishi Srivatsavai if ((mh = mip->mi_bridge_link) != NULL) 6674eaa4710SRishi Srivatsavai mac_bridge_ref_cb(mh, B_TRUE); 6684eaa4710SRishi Srivatsavai mutex_exit(&mip->mi_bridge_lock); 6694eaa4710SRishi Srivatsavai if (mh == NULL) { 6704eaa4710SRishi Srivatsavai mac_rx_common((mac_handle_t)mip, mrh, mp_chain); 6714eaa4710SRishi Srivatsavai } else { 6724eaa4710SRishi Srivatsavai mac_bridge_rx_cb(mh, mrh, mp_chain); 6734eaa4710SRishi Srivatsavai mac_bridge_ref_cb(mh, B_FALSE); 6744eaa4710SRishi Srivatsavai } 6754eaa4710SRishi Srivatsavai } 6764eaa4710SRishi Srivatsavai } 6774eaa4710SRishi Srivatsavai 6784eaa4710SRishi Srivatsavai /* 6794eaa4710SRishi Srivatsavai * Special case function: this allows snooping of packets transmitted and 6804eaa4710SRishi Srivatsavai * received by TRILL. By design, they go directly into the TRILL module. 6814eaa4710SRishi Srivatsavai */ 6824eaa4710SRishi Srivatsavai void 6834eaa4710SRishi Srivatsavai mac_trill_snoop(mac_handle_t mh, mblk_t *mp) 6844eaa4710SRishi Srivatsavai { 6854eaa4710SRishi Srivatsavai mac_impl_t *mip = (mac_impl_t *)mh; 6864eaa4710SRishi Srivatsavai 6874eaa4710SRishi Srivatsavai if (mip->mi_promisc_list != NULL) 6884eaa4710SRishi Srivatsavai mac_promisc_dispatch(mip, mp, NULL); 6894eaa4710SRishi Srivatsavai } 6904eaa4710SRishi Srivatsavai 6914eaa4710SRishi Srivatsavai /* 6924eaa4710SRishi Srivatsavai * This is the upward reentry point for packets arriving from the bridging 6934eaa4710SRishi Srivatsavai * module and from mac_rx for links not part of a bridge. 6944eaa4710SRishi Srivatsavai */ 6954eaa4710SRishi Srivatsavai void 6964eaa4710SRishi Srivatsavai mac_rx_common(mac_handle_t mh, mac_resource_handle_t mrh, mblk_t *mp_chain) 697da14cebeSEric Cheng { 698da14cebeSEric Cheng mac_impl_t *mip = (mac_impl_t *)mh; 699da14cebeSEric Cheng mac_ring_t *mr = (mac_ring_t *)mrh; 700*84de666eSRyan Zezeski mac_soft_ring_set_t *mac_srs; 701da14cebeSEric Cheng mblk_t *bp = mp_chain; 702da14cebeSEric Cheng boolean_t hw_classified = B_FALSE; 703da14cebeSEric Cheng 704da14cebeSEric Cheng /* 705da14cebeSEric Cheng * If there are any promiscuous mode callbacks defined for 706da14cebeSEric Cheng * this MAC, pass them a copy if appropriate. 707da14cebeSEric Cheng */ 708da14cebeSEric Cheng if (mip->mi_promisc_list != NULL) 709da14cebeSEric Cheng mac_promisc_dispatch(mip, mp_chain, NULL); 710da14cebeSEric Cheng 711da14cebeSEric Cheng if (mr != NULL) { 712da14cebeSEric Cheng /* 713da14cebeSEric Cheng * If the SRS teardown has started, just return. The 'mr' 714da14cebeSEric Cheng * continues to be valid until the driver unregisters the mac. 715da14cebeSEric Cheng * Hardware classified packets will not make their way up 716da14cebeSEric Cheng * beyond this point once the teardown has started. The driver 717da14cebeSEric Cheng * is never passed a pointer to a flow entry or SRS or any 718da14cebeSEric Cheng * structure that can be freed much before mac_unregister. 719da14cebeSEric Cheng */ 720da14cebeSEric Cheng mutex_enter(&mr->mr_lock); 721da14cebeSEric Cheng if ((mr->mr_state != MR_INUSE) || (mr->mr_flag & 722da14cebeSEric Cheng (MR_INCIPIENT | MR_CONDEMNED | MR_QUIESCE))) { 723da14cebeSEric Cheng mutex_exit(&mr->mr_lock); 724da14cebeSEric Cheng freemsgchain(mp_chain); 725da14cebeSEric Cheng return; 726da14cebeSEric Cheng } 727da14cebeSEric Cheng if (mr->mr_classify_type == MAC_HW_CLASSIFIER) { 728da14cebeSEric Cheng hw_classified = B_TRUE; 729da14cebeSEric Cheng MR_REFHOLD_LOCKED(mr); 730da14cebeSEric Cheng } 731da14cebeSEric Cheng mutex_exit(&mr->mr_lock); 732da14cebeSEric Cheng 733da14cebeSEric Cheng /* 734da14cebeSEric Cheng * We check if an SRS is controlling this ring. 735da14cebeSEric Cheng * If so, we can directly call the srs_lower_proc 736da14cebeSEric Cheng * routine otherwise we need to go through mac_rx_classify 737da14cebeSEric Cheng * to reach the right place. 738da14cebeSEric Cheng */ 739da14cebeSEric Cheng if (hw_classified) { 740da14cebeSEric Cheng mac_srs = mr->mr_srs; 741da14cebeSEric Cheng /* 742da14cebeSEric Cheng * This is supposed to be the fast path. 743da14cebeSEric Cheng * All packets received though here were steered by 744da14cebeSEric Cheng * the hardware classifier, and share the same 745da14cebeSEric Cheng * MAC header info. 746da14cebeSEric Cheng */ 747da14cebeSEric Cheng mac_srs->srs_rx.sr_lower_proc(mh, 748da14cebeSEric Cheng (mac_resource_handle_t)mac_srs, mp_chain, B_FALSE); 749da14cebeSEric Cheng MR_REFRELE(mr); 750da14cebeSEric Cheng return; 751da14cebeSEric Cheng } 752da14cebeSEric Cheng /* We'll fall through to software classification */ 753ae6aa22aSVenugopal Iyer } else { 754ae6aa22aSVenugopal Iyer flow_entry_t *flent; 755ae6aa22aSVenugopal Iyer int err; 756ae6aa22aSVenugopal Iyer 757ae6aa22aSVenugopal Iyer rw_enter(&mip->mi_rw_lock, RW_READER); 758ae6aa22aSVenugopal Iyer if (mip->mi_single_active_client != NULL) { 759ae6aa22aSVenugopal Iyer flent = mip->mi_single_active_client->mci_flent_list; 760ae6aa22aSVenugopal Iyer FLOW_TRY_REFHOLD(flent, err); 761ae6aa22aSVenugopal Iyer rw_exit(&mip->mi_rw_lock); 762ae6aa22aSVenugopal Iyer if (err == 0) { 763ae6aa22aSVenugopal Iyer (flent->fe_cb_fn)(flent->fe_cb_arg1, 764ae6aa22aSVenugopal Iyer flent->fe_cb_arg2, mp_chain, B_FALSE); 765ae6aa22aSVenugopal Iyer FLOW_REFRELE(flent); 766ae6aa22aSVenugopal Iyer return; 767ae6aa22aSVenugopal Iyer } 768ae6aa22aSVenugopal Iyer } else { 769ae6aa22aSVenugopal Iyer rw_exit(&mip->mi_rw_lock); 770ae6aa22aSVenugopal Iyer } 771da14cebeSEric Cheng } 772da14cebeSEric Cheng 773da14cebeSEric Cheng if (!FLOW_TAB_EMPTY(mip->mi_flow_tab)) { 774da14cebeSEric Cheng if ((bp = mac_rx_flow(mh, mrh, bp)) == NULL) 775da14cebeSEric Cheng return; 776da14cebeSEric Cheng } 777da14cebeSEric Cheng 778da14cebeSEric Cheng freemsgchain(bp); 779da14cebeSEric Cheng } 780da14cebeSEric Cheng 781da14cebeSEric Cheng /* DATA TRANSMISSION */ 782da14cebeSEric Cheng 783da14cebeSEric Cheng /* 784da14cebeSEric Cheng * A driver's notification to resume transmission, in case of a provider 785da14cebeSEric Cheng * without TX rings. 786da14cebeSEric Cheng */ 787da14cebeSEric Cheng void 788da14cebeSEric Cheng mac_tx_update(mac_handle_t mh) 789da14cebeSEric Cheng { 7900dc2366fSVenugopal Iyer mac_tx_ring_update(mh, NULL); 791da14cebeSEric Cheng } 792da14cebeSEric Cheng 793da14cebeSEric Cheng /* 794da14cebeSEric Cheng * A driver's notification to resume transmission on the specified TX ring. 795da14cebeSEric Cheng */ 796da14cebeSEric Cheng void 797da14cebeSEric Cheng mac_tx_ring_update(mac_handle_t mh, mac_ring_handle_t rh) 798da14cebeSEric Cheng { 799da14cebeSEric Cheng i_mac_tx_srs_notify((mac_impl_t *)mh, rh); 800da14cebeSEric Cheng } 801da14cebeSEric Cheng 802da14cebeSEric Cheng /* LINK STATE */ 803da14cebeSEric Cheng /* 804da14cebeSEric Cheng * Notify the MAC layer about a link state change 805da14cebeSEric Cheng */ 806da14cebeSEric Cheng void 807da14cebeSEric Cheng mac_link_update(mac_handle_t mh, link_state_t link) 808da14cebeSEric Cheng { 809da14cebeSEric Cheng mac_impl_t *mip = (mac_impl_t *)mh; 810da14cebeSEric Cheng 8114eaa4710SRishi Srivatsavai /* 8124eaa4710SRishi Srivatsavai * Save the link state. 8134eaa4710SRishi Srivatsavai */ 8144eaa4710SRishi Srivatsavai mip->mi_lowlinkstate = link; 8154eaa4710SRishi Srivatsavai 8164eaa4710SRishi Srivatsavai /* 8174eaa4710SRishi Srivatsavai * Send a MAC_NOTE_LOWLINK notification. This tells the notification 8184eaa4710SRishi Srivatsavai * thread to deliver both lower and upper notifications. 8194eaa4710SRishi Srivatsavai */ 8204eaa4710SRishi Srivatsavai i_mac_notify(mip, MAC_NOTE_LOWLINK); 8214eaa4710SRishi Srivatsavai } 8224eaa4710SRishi Srivatsavai 8234eaa4710SRishi Srivatsavai /* 8244eaa4710SRishi Srivatsavai * Notify the MAC layer about a link state change due to bridging. 8254eaa4710SRishi Srivatsavai */ 8264eaa4710SRishi Srivatsavai void 8274eaa4710SRishi Srivatsavai mac_link_redo(mac_handle_t mh, link_state_t link) 8284eaa4710SRishi Srivatsavai { 8294eaa4710SRishi Srivatsavai mac_impl_t *mip = (mac_impl_t *)mh; 8304eaa4710SRishi Srivatsavai 831da14cebeSEric Cheng /* 832da14cebeSEric Cheng * Save the link state. 833da14cebeSEric Cheng */ 834da14cebeSEric Cheng mip->mi_linkstate = link; 835da14cebeSEric Cheng 836da14cebeSEric Cheng /* 8374eaa4710SRishi Srivatsavai * Send a MAC_NOTE_LINK notification. Only upper notifications are 8384eaa4710SRishi Srivatsavai * made. 839da14cebeSEric Cheng */ 840da14cebeSEric Cheng i_mac_notify(mip, MAC_NOTE_LINK); 841da14cebeSEric Cheng } 842da14cebeSEric Cheng 84361af1958SGarrett D'Amore /* MINOR NODE HANDLING */ 84461af1958SGarrett D'Amore 84561af1958SGarrett D'Amore /* 84661af1958SGarrett D'Amore * Given a dev_t, return the instance number (PPA) associated with it. 84761af1958SGarrett D'Amore * Drivers can use this in their getinfo(9e) implementation to lookup 84861af1958SGarrett D'Amore * the instance number (i.e. PPA) of the device, to use as an index to 84961af1958SGarrett D'Amore * their own array of soft state structures. 85061af1958SGarrett D'Amore * 85161af1958SGarrett D'Amore * Returns -1 on error. 85261af1958SGarrett D'Amore */ 85361af1958SGarrett D'Amore int 85461af1958SGarrett D'Amore mac_devt_to_instance(dev_t devt) 85561af1958SGarrett D'Amore { 85661af1958SGarrett D'Amore return (dld_devt_to_instance(devt)); 85761af1958SGarrett D'Amore } 85861af1958SGarrett D'Amore 85961af1958SGarrett D'Amore /* 86061af1958SGarrett D'Amore * This function returns the first minor number that is available for 86161af1958SGarrett D'Amore * driver private use. All minor numbers smaller than this are 86261af1958SGarrett D'Amore * reserved for GLDv3 use. 86361af1958SGarrett D'Amore */ 86461af1958SGarrett D'Amore minor_t 86561af1958SGarrett D'Amore mac_private_minor(void) 86661af1958SGarrett D'Amore { 86761af1958SGarrett D'Amore return (MAC_PRIVATE_MINOR); 86861af1958SGarrett D'Amore } 86961af1958SGarrett D'Amore 870da14cebeSEric Cheng /* OTHER CONTROL INFORMATION */ 871da14cebeSEric Cheng 872da14cebeSEric Cheng /* 873da14cebeSEric Cheng * A driver notified us that its primary MAC address has changed. 874da14cebeSEric Cheng */ 875da14cebeSEric Cheng void 876da14cebeSEric Cheng mac_unicst_update(mac_handle_t mh, const uint8_t *addr) 877da14cebeSEric Cheng { 878da14cebeSEric Cheng mac_impl_t *mip = (mac_impl_t *)mh; 879da14cebeSEric Cheng 880da14cebeSEric Cheng if (mip->mi_type->mt_addr_length == 0) 881da14cebeSEric Cheng return; 882da14cebeSEric Cheng 883da14cebeSEric Cheng i_mac_perim_enter(mip); 884da14cebeSEric Cheng 885da14cebeSEric Cheng /* 886fd0939efSDavid Edmondson * If address changes, freshen the MAC address value and update 887fd0939efSDavid Edmondson * all MAC clients that share this MAC address. 888da14cebeSEric Cheng */ 889fd0939efSDavid Edmondson if (bcmp(addr, mip->mi_addr, mip->mi_type->mt_addr_length) != 0) { 890fd0939efSDavid Edmondson mac_freshen_macaddr(mac_find_macaddr(mip, mip->mi_addr), 891fd0939efSDavid Edmondson (uint8_t *)addr); 892fd0939efSDavid Edmondson } 893da14cebeSEric Cheng 894da14cebeSEric Cheng i_mac_perim_exit(mip); 895da14cebeSEric Cheng 896da14cebeSEric Cheng /* 897da14cebeSEric Cheng * Send a MAC_NOTE_UNICST notification. 898da14cebeSEric Cheng */ 899da14cebeSEric Cheng i_mac_notify(mip, MAC_NOTE_UNICST); 900da14cebeSEric Cheng } 901da14cebeSEric Cheng 9022b24ab6bSSebastien Roy void 9032b24ab6bSSebastien Roy mac_dst_update(mac_handle_t mh, const uint8_t *addr) 9042b24ab6bSSebastien Roy { 9052b24ab6bSSebastien Roy mac_impl_t *mip = (mac_impl_t *)mh; 9062b24ab6bSSebastien Roy 9072b24ab6bSSebastien Roy if (mip->mi_type->mt_addr_length == 0) 9082b24ab6bSSebastien Roy return; 9092b24ab6bSSebastien Roy 9102b24ab6bSSebastien Roy i_mac_perim_enter(mip); 9112b24ab6bSSebastien Roy bcopy(addr, mip->mi_dstaddr, mip->mi_type->mt_addr_length); 9122b24ab6bSSebastien Roy i_mac_perim_exit(mip); 9132b24ab6bSSebastien Roy i_mac_notify(mip, MAC_NOTE_DEST); 9142b24ab6bSSebastien Roy } 9152b24ab6bSSebastien Roy 916da14cebeSEric Cheng /* 917da14cebeSEric Cheng * MAC plugin information changed. 918da14cebeSEric Cheng */ 919da14cebeSEric Cheng int 920da14cebeSEric Cheng mac_pdata_update(mac_handle_t mh, void *mac_pdata, size_t dsize) 921da14cebeSEric Cheng { 922da14cebeSEric Cheng mac_impl_t *mip = (mac_impl_t *)mh; 923da14cebeSEric Cheng 924da14cebeSEric Cheng /* 925da14cebeSEric Cheng * Verify that the plugin supports MAC plugin data and that the 926da14cebeSEric Cheng * supplied data is valid. 927da14cebeSEric Cheng */ 928da14cebeSEric Cheng if (!(mip->mi_type->mt_ops.mtops_ops & MTOPS_PDATA_VERIFY)) 929da14cebeSEric Cheng return (EINVAL); 930da14cebeSEric Cheng if (!mip->mi_type->mt_ops.mtops_pdata_verify(mac_pdata, dsize)) 931da14cebeSEric Cheng return (EINVAL); 932da14cebeSEric Cheng 933da14cebeSEric Cheng if (mip->mi_pdata != NULL) 934da14cebeSEric Cheng kmem_free(mip->mi_pdata, mip->mi_pdata_size); 935da14cebeSEric Cheng 936da14cebeSEric Cheng mip->mi_pdata = kmem_alloc(dsize, KM_SLEEP); 937da14cebeSEric Cheng bcopy(mac_pdata, mip->mi_pdata, dsize); 938da14cebeSEric Cheng mip->mi_pdata_size = dsize; 939da14cebeSEric Cheng 940da14cebeSEric Cheng /* 941da14cebeSEric Cheng * Since the MAC plugin data is used to construct MAC headers that 942da14cebeSEric Cheng * were cached in fast-path headers, we need to flush fast-path 943da14cebeSEric Cheng * information for links associated with this mac. 944da14cebeSEric Cheng */ 945da14cebeSEric Cheng i_mac_notify(mip, MAC_NOTE_FASTPATH_FLUSH); 946da14cebeSEric Cheng return (0); 947da14cebeSEric Cheng } 948da14cebeSEric Cheng 949da14cebeSEric Cheng /* 950da14cebeSEric Cheng * Invoked by driver as well as the framework to notify its capability change. 951da14cebeSEric Cheng */ 952da14cebeSEric Cheng void 953da14cebeSEric Cheng mac_capab_update(mac_handle_t mh) 954da14cebeSEric Cheng { 955da14cebeSEric Cheng /* Send MAC_NOTE_CAPAB_CHG notification */ 956da14cebeSEric Cheng i_mac_notify((mac_impl_t *)mh, MAC_NOTE_CAPAB_CHG); 957da14cebeSEric Cheng } 958da14cebeSEric Cheng 9591eee170aSErik Nordmark /* 9601eee170aSErik Nordmark * Used by normal drivers to update the max sdu size. 9611eee170aSErik Nordmark * We need to handle the case of a smaller mi_sdu_multicast 9621eee170aSErik Nordmark * since this is called by mac_set_mtu() even for drivers that 9631eee170aSErik Nordmark * have differing unicast and multicast mtu and we don't want to 9641eee170aSErik Nordmark * increase the multicast mtu by accident in that case. 9651eee170aSErik Nordmark */ 966da14cebeSEric Cheng int 967da14cebeSEric Cheng mac_maxsdu_update(mac_handle_t mh, uint_t sdu_max) 968da14cebeSEric Cheng { 969da14cebeSEric Cheng mac_impl_t *mip = (mac_impl_t *)mh; 970da14cebeSEric Cheng 971f0f2c3a5SGirish Moodalbail if (sdu_max == 0 || sdu_max < mip->mi_sdu_min) 972da14cebeSEric Cheng return (EINVAL); 973da14cebeSEric Cheng mip->mi_sdu_max = sdu_max; 9741eee170aSErik Nordmark if (mip->mi_sdu_multicast > mip->mi_sdu_max) 9751eee170aSErik Nordmark mip->mi_sdu_multicast = mip->mi_sdu_max; 9761eee170aSErik Nordmark 9771eee170aSErik Nordmark /* Send a MAC_NOTE_SDU_SIZE notification. */ 9781eee170aSErik Nordmark i_mac_notify(mip, MAC_NOTE_SDU_SIZE); 9791eee170aSErik Nordmark return (0); 9801eee170aSErik Nordmark } 9811eee170aSErik Nordmark 9821eee170aSErik Nordmark /* 9831eee170aSErik Nordmark * Version of the above function that is used by drivers that have a different 9841eee170aSErik Nordmark * max sdu size for multicast/broadcast vs. unicast. 9851eee170aSErik Nordmark */ 9861eee170aSErik Nordmark int 9871eee170aSErik Nordmark mac_maxsdu_update2(mac_handle_t mh, uint_t sdu_max, uint_t sdu_multicast) 9881eee170aSErik Nordmark { 9891eee170aSErik Nordmark mac_impl_t *mip = (mac_impl_t *)mh; 9901eee170aSErik Nordmark 9911eee170aSErik Nordmark if (sdu_max == 0 || sdu_max < mip->mi_sdu_min) 9921eee170aSErik Nordmark return (EINVAL); 9931eee170aSErik Nordmark if (sdu_multicast == 0) 9941eee170aSErik Nordmark sdu_multicast = sdu_max; 9951eee170aSErik Nordmark if (sdu_multicast > sdu_max || sdu_multicast < mip->mi_sdu_min) 9961eee170aSErik Nordmark return (EINVAL); 9971eee170aSErik Nordmark mip->mi_sdu_max = sdu_max; 9981eee170aSErik Nordmark mip->mi_sdu_multicast = sdu_multicast; 999da14cebeSEric Cheng 1000da14cebeSEric Cheng /* Send a MAC_NOTE_SDU_SIZE notification. */ 1001da14cebeSEric Cheng i_mac_notify(mip, MAC_NOTE_SDU_SIZE); 1002da14cebeSEric Cheng return (0); 1003da14cebeSEric Cheng } 1004da14cebeSEric Cheng 10050dc2366fSVenugopal Iyer static void 10060dc2366fSVenugopal Iyer mac_ring_intr_retarget(mac_group_t *group, mac_ring_t *ring) 10070dc2366fSVenugopal Iyer { 10080dc2366fSVenugopal Iyer mac_client_impl_t *mcip; 10090dc2366fSVenugopal Iyer flow_entry_t *flent; 10100dc2366fSVenugopal Iyer mac_soft_ring_set_t *mac_rx_srs; 10110dc2366fSVenugopal Iyer mac_cpus_t *srs_cpu; 10120dc2366fSVenugopal Iyer int i; 10130dc2366fSVenugopal Iyer 10140dc2366fSVenugopal Iyer if (((mcip = MAC_GROUP_ONLY_CLIENT(group)) != NULL) && 10150dc2366fSVenugopal Iyer (!ring->mr_info.mri_intr.mi_ddi_shared)) { 10160dc2366fSVenugopal Iyer /* interrupt can be re-targeted */ 10170dc2366fSVenugopal Iyer ASSERT(group->mrg_state == MAC_GROUP_STATE_RESERVED); 10180dc2366fSVenugopal Iyer flent = mcip->mci_flent; 10190dc2366fSVenugopal Iyer if (ring->mr_type == MAC_RING_TYPE_RX) { 10200dc2366fSVenugopal Iyer for (i = 0; i < flent->fe_rx_srs_cnt; i++) { 10210dc2366fSVenugopal Iyer mac_rx_srs = flent->fe_rx_srs[i]; 10220dc2366fSVenugopal Iyer if (mac_rx_srs->srs_ring != ring) 10230dc2366fSVenugopal Iyer continue; 10240dc2366fSVenugopal Iyer srs_cpu = &mac_rx_srs->srs_cpu; 10250dc2366fSVenugopal Iyer mutex_enter(&cpu_lock); 10260dc2366fSVenugopal Iyer mac_rx_srs_retarget_intr(mac_rx_srs, 10270dc2366fSVenugopal Iyer srs_cpu->mc_rx_intr_cpu); 10280dc2366fSVenugopal Iyer mutex_exit(&cpu_lock); 10290dc2366fSVenugopal Iyer break; 10300dc2366fSVenugopal Iyer } 10310dc2366fSVenugopal Iyer } else { 10320dc2366fSVenugopal Iyer if (flent->fe_tx_srs != NULL) { 10330dc2366fSVenugopal Iyer mutex_enter(&cpu_lock); 10340dc2366fSVenugopal Iyer mac_tx_srs_retarget_intr( 10350dc2366fSVenugopal Iyer flent->fe_tx_srs); 10360dc2366fSVenugopal Iyer mutex_exit(&cpu_lock); 10370dc2366fSVenugopal Iyer } 10380dc2366fSVenugopal Iyer } 10390dc2366fSVenugopal Iyer } 10400dc2366fSVenugopal Iyer } 10410dc2366fSVenugopal Iyer 10420dc2366fSVenugopal Iyer /* 10430dc2366fSVenugopal Iyer * Clients like aggr create pseudo rings (mac_ring_t) and expose them to 10440dc2366fSVenugopal Iyer * their clients. There is a 1-1 mapping pseudo ring and the hardware 10450dc2366fSVenugopal Iyer * ring. ddi interrupt handles are exported from the hardware ring to 10460dc2366fSVenugopal Iyer * the pseudo ring. Thus when the interrupt handle changes, clients of 10470dc2366fSVenugopal Iyer * aggr that are using the handle need to use the new handle and 10480dc2366fSVenugopal Iyer * re-target their interrupts. 10490dc2366fSVenugopal Iyer */ 10500dc2366fSVenugopal Iyer static void 10510dc2366fSVenugopal Iyer mac_pseudo_ring_intr_retarget(mac_impl_t *mip, mac_ring_t *ring, 10520dc2366fSVenugopal Iyer ddi_intr_handle_t ddh) 10530dc2366fSVenugopal Iyer { 10540dc2366fSVenugopal Iyer mac_ring_t *pring; 10550dc2366fSVenugopal Iyer mac_group_t *pgroup; 10560dc2366fSVenugopal Iyer mac_impl_t *pmip; 10570dc2366fSVenugopal Iyer char macname[MAXNAMELEN]; 10580dc2366fSVenugopal Iyer mac_perim_handle_t p_mph; 10590dc2366fSVenugopal Iyer uint64_t saved_gen_num; 10600dc2366fSVenugopal Iyer 10610dc2366fSVenugopal Iyer again: 10620dc2366fSVenugopal Iyer pring = (mac_ring_t *)ring->mr_prh; 10630dc2366fSVenugopal Iyer pgroup = (mac_group_t *)pring->mr_gh; 10640dc2366fSVenugopal Iyer pmip = (mac_impl_t *)pgroup->mrg_mh; 10650dc2366fSVenugopal Iyer saved_gen_num = ring->mr_gen_num; 10660dc2366fSVenugopal Iyer (void) strlcpy(macname, pmip->mi_name, MAXNAMELEN); 10670dc2366fSVenugopal Iyer /* 10680dc2366fSVenugopal Iyer * We need to enter aggr's perimeter. The locking hierarchy 10690dc2366fSVenugopal Iyer * dictates that aggr's perimeter should be entered first 10700dc2366fSVenugopal Iyer * and then the port's perimeter. So drop the port's 10710dc2366fSVenugopal Iyer * perimeter, enter aggr's and then re-enter port's 10720dc2366fSVenugopal Iyer * perimeter. 10730dc2366fSVenugopal Iyer */ 10740dc2366fSVenugopal Iyer i_mac_perim_exit(mip); 10750dc2366fSVenugopal Iyer /* 10760dc2366fSVenugopal Iyer * While we know pmip is the aggr's mip, there is a 10770dc2366fSVenugopal Iyer * possibility that aggr could have unregistered by 10780dc2366fSVenugopal Iyer * the time we exit port's perimeter (mip) and 10790dc2366fSVenugopal Iyer * enter aggr's perimeter (pmip). To avoid that 10800dc2366fSVenugopal Iyer * scenario, enter aggr's perimeter using its name. 10810dc2366fSVenugopal Iyer */ 10820dc2366fSVenugopal Iyer if (mac_perim_enter_by_macname(macname, &p_mph) != 0) 10830dc2366fSVenugopal Iyer return; 10840dc2366fSVenugopal Iyer i_mac_perim_enter(mip); 10850dc2366fSVenugopal Iyer /* 10860dc2366fSVenugopal Iyer * Check if the ring got assigned to another aggregation before 10870dc2366fSVenugopal Iyer * be could enter aggr's and the port's perimeter. When a ring 10880dc2366fSVenugopal Iyer * gets deleted from an aggregation, it calls mac_stop_ring() 10890dc2366fSVenugopal Iyer * which increments the generation number. So checking 10900dc2366fSVenugopal Iyer * generation number will be enough. 10910dc2366fSVenugopal Iyer */ 10920dc2366fSVenugopal Iyer if (ring->mr_gen_num != saved_gen_num && ring->mr_prh != NULL) { 10930dc2366fSVenugopal Iyer i_mac_perim_exit(mip); 10940dc2366fSVenugopal Iyer mac_perim_exit(p_mph); 10950dc2366fSVenugopal Iyer i_mac_perim_enter(mip); 10960dc2366fSVenugopal Iyer goto again; 10970dc2366fSVenugopal Iyer } 10980dc2366fSVenugopal Iyer 10990dc2366fSVenugopal Iyer /* Check if pseudo ring is still present */ 11000dc2366fSVenugopal Iyer if (ring->mr_prh != NULL) { 11010dc2366fSVenugopal Iyer pring->mr_info.mri_intr.mi_ddi_handle = ddh; 11020dc2366fSVenugopal Iyer pring->mr_info.mri_intr.mi_ddi_shared = 11030dc2366fSVenugopal Iyer ring->mr_info.mri_intr.mi_ddi_shared; 11040dc2366fSVenugopal Iyer if (ddh != NULL) 11050dc2366fSVenugopal Iyer mac_ring_intr_retarget(pgroup, pring); 11060dc2366fSVenugopal Iyer } 11070dc2366fSVenugopal Iyer i_mac_perim_exit(mip); 11080dc2366fSVenugopal Iyer mac_perim_exit(p_mph); 11090dc2366fSVenugopal Iyer } 11100dc2366fSVenugopal Iyer /* 11110dc2366fSVenugopal Iyer * API called by driver to provide new interrupt handle for TX/RX rings. 11120dc2366fSVenugopal Iyer * This usually happens when IRM (Interrupt Resource Manangement) 11130dc2366fSVenugopal Iyer * framework either gives the driver more MSI-x interrupts or takes 11140dc2366fSVenugopal Iyer * away MSI-x interrupts from the driver. 11150dc2366fSVenugopal Iyer */ 11160dc2366fSVenugopal Iyer void 11170dc2366fSVenugopal Iyer mac_ring_intr_set(mac_ring_handle_t mrh, ddi_intr_handle_t ddh) 11180dc2366fSVenugopal Iyer { 11190dc2366fSVenugopal Iyer mac_ring_t *ring = (mac_ring_t *)mrh; 11200dc2366fSVenugopal Iyer mac_group_t *group = (mac_group_t *)ring->mr_gh; 11210dc2366fSVenugopal Iyer mac_impl_t *mip = (mac_impl_t *)group->mrg_mh; 11220dc2366fSVenugopal Iyer 11230dc2366fSVenugopal Iyer i_mac_perim_enter(mip); 11240dc2366fSVenugopal Iyer ring->mr_info.mri_intr.mi_ddi_handle = ddh; 11250dc2366fSVenugopal Iyer if (ddh == NULL) { 11260dc2366fSVenugopal Iyer /* Interrupts being reset */ 11270dc2366fSVenugopal Iyer ring->mr_info.mri_intr.mi_ddi_shared = B_FALSE; 11280dc2366fSVenugopal Iyer if (ring->mr_prh != NULL) { 11290dc2366fSVenugopal Iyer mac_pseudo_ring_intr_retarget(mip, ring, ddh); 11300dc2366fSVenugopal Iyer return; 11310dc2366fSVenugopal Iyer } 11320dc2366fSVenugopal Iyer } else { 11330dc2366fSVenugopal Iyer /* New interrupt handle */ 11340dc2366fSVenugopal Iyer mac_compare_ddi_handle(mip->mi_rx_groups, 11350dc2366fSVenugopal Iyer mip->mi_rx_group_count, ring); 11360dc2366fSVenugopal Iyer if (!ring->mr_info.mri_intr.mi_ddi_shared) { 11370dc2366fSVenugopal Iyer mac_compare_ddi_handle(mip->mi_tx_groups, 11380dc2366fSVenugopal Iyer mip->mi_tx_group_count, ring); 11390dc2366fSVenugopal Iyer } 11400dc2366fSVenugopal Iyer if (ring->mr_prh != NULL) { 11410dc2366fSVenugopal Iyer mac_pseudo_ring_intr_retarget(mip, ring, ddh); 11420dc2366fSVenugopal Iyer return; 11430dc2366fSVenugopal Iyer } else { 11440dc2366fSVenugopal Iyer mac_ring_intr_retarget(group, ring); 11450dc2366fSVenugopal Iyer } 11460dc2366fSVenugopal Iyer } 11470dc2366fSVenugopal Iyer i_mac_perim_exit(mip); 11480dc2366fSVenugopal Iyer } 11490dc2366fSVenugopal Iyer 1150da14cebeSEric Cheng /* PRIVATE FUNCTIONS, FOR INTERNAL USE ONLY */ 1151da14cebeSEric Cheng 1152da14cebeSEric Cheng /* 1153da14cebeSEric Cheng * Updates the mac_impl structure with the current state of the link 1154da14cebeSEric Cheng */ 1155da14cebeSEric Cheng static void 1156da14cebeSEric Cheng i_mac_log_link_state(mac_impl_t *mip) 1157da14cebeSEric Cheng { 1158da14cebeSEric Cheng /* 1159da14cebeSEric Cheng * If no change, then it is not interesting. 1160da14cebeSEric Cheng */ 11614eaa4710SRishi Srivatsavai if (mip->mi_lastlowlinkstate == mip->mi_lowlinkstate) 1162da14cebeSEric Cheng return; 1163da14cebeSEric Cheng 11644eaa4710SRishi Srivatsavai switch (mip->mi_lowlinkstate) { 1165da14cebeSEric Cheng case LINK_STATE_UP: 1166da14cebeSEric Cheng if (mip->mi_type->mt_ops.mtops_ops & MTOPS_LINK_DETAILS) { 1167da14cebeSEric Cheng char det[200]; 1168da14cebeSEric Cheng 1169da14cebeSEric Cheng mip->mi_type->mt_ops.mtops_link_details(det, 1170da14cebeSEric Cheng sizeof (det), (mac_handle_t)mip, mip->mi_pdata); 1171da14cebeSEric Cheng 1172da14cebeSEric Cheng cmn_err(CE_NOTE, "!%s link up, %s", mip->mi_name, det); 1173da14cebeSEric Cheng } else { 1174da14cebeSEric Cheng cmn_err(CE_NOTE, "!%s link up", mip->mi_name); 1175da14cebeSEric Cheng } 1176da14cebeSEric Cheng break; 1177da14cebeSEric Cheng 1178da14cebeSEric Cheng case LINK_STATE_DOWN: 1179da14cebeSEric Cheng /* 1180da14cebeSEric Cheng * Only transitions from UP to DOWN are interesting 1181da14cebeSEric Cheng */ 11824eaa4710SRishi Srivatsavai if (mip->mi_lastlowlinkstate != LINK_STATE_UNKNOWN) 1183da14cebeSEric Cheng cmn_err(CE_NOTE, "!%s link down", mip->mi_name); 1184da14cebeSEric Cheng break; 1185da14cebeSEric Cheng 1186da14cebeSEric Cheng case LINK_STATE_UNKNOWN: 1187da14cebeSEric Cheng /* 1188da14cebeSEric Cheng * This case is normally not interesting. 1189da14cebeSEric Cheng */ 1190da14cebeSEric Cheng break; 1191da14cebeSEric Cheng } 11924eaa4710SRishi Srivatsavai mip->mi_lastlowlinkstate = mip->mi_lowlinkstate; 1193da14cebeSEric Cheng } 1194da14cebeSEric Cheng 1195da14cebeSEric Cheng /* 1196da14cebeSEric Cheng * Main routine for the callbacks notifications thread 1197da14cebeSEric Cheng */ 1198da14cebeSEric Cheng static void 1199da14cebeSEric Cheng i_mac_notify_thread(void *arg) 1200da14cebeSEric Cheng { 1201da14cebeSEric Cheng mac_impl_t *mip = arg; 1202da14cebeSEric Cheng callb_cpr_t cprinfo; 1203da14cebeSEric Cheng mac_cb_t *mcb; 1204da14cebeSEric Cheng mac_cb_info_t *mcbi; 1205da14cebeSEric Cheng mac_notify_cb_t *mncb; 1206da14cebeSEric Cheng 1207da14cebeSEric Cheng mcbi = &mip->mi_notify_cb_info; 1208da14cebeSEric Cheng CALLB_CPR_INIT(&cprinfo, mcbi->mcbi_lockp, callb_generic_cpr, 1209da14cebeSEric Cheng "i_mac_notify_thread"); 1210da14cebeSEric Cheng 1211da14cebeSEric Cheng mutex_enter(mcbi->mcbi_lockp); 1212da14cebeSEric Cheng 1213da14cebeSEric Cheng for (;;) { 1214da14cebeSEric Cheng uint32_t bits; 1215da14cebeSEric Cheng uint32_t type; 1216da14cebeSEric Cheng 1217da14cebeSEric Cheng bits = mip->mi_notify_bits; 1218da14cebeSEric Cheng if (bits == 0) { 1219da14cebeSEric Cheng CALLB_CPR_SAFE_BEGIN(&cprinfo); 1220da14cebeSEric Cheng cv_wait(&mcbi->mcbi_cv, mcbi->mcbi_lockp); 1221da14cebeSEric Cheng CALLB_CPR_SAFE_END(&cprinfo, mcbi->mcbi_lockp); 1222da14cebeSEric Cheng continue; 1223da14cebeSEric Cheng } 1224da14cebeSEric Cheng mip->mi_notify_bits = 0; 1225da14cebeSEric Cheng if ((bits & (1 << MAC_NNOTE)) != 0) { 1226da14cebeSEric Cheng /* request to quit */ 1227da14cebeSEric Cheng ASSERT(mip->mi_state_flags & MIS_DISABLED); 1228da14cebeSEric Cheng break; 1229da14cebeSEric Cheng } 1230da14cebeSEric Cheng 1231da14cebeSEric Cheng mutex_exit(mcbi->mcbi_lockp); 1232da14cebeSEric Cheng 1233da14cebeSEric Cheng /* 12344eaa4710SRishi Srivatsavai * Log link changes on the actual link, but then do reports on 12354eaa4710SRishi Srivatsavai * synthetic state (if part of a bridge). 1236da14cebeSEric Cheng */ 12374eaa4710SRishi Srivatsavai if ((bits & (1 << MAC_NOTE_LOWLINK)) != 0) { 12384eaa4710SRishi Srivatsavai link_state_t newstate; 12394eaa4710SRishi Srivatsavai mac_handle_t mh; 12404eaa4710SRishi Srivatsavai 1241da14cebeSEric Cheng i_mac_log_link_state(mip); 12424eaa4710SRishi Srivatsavai newstate = mip->mi_lowlinkstate; 12434eaa4710SRishi Srivatsavai if (mip->mi_bridge_link != NULL) { 12444eaa4710SRishi Srivatsavai mutex_enter(&mip->mi_bridge_lock); 12454eaa4710SRishi Srivatsavai if ((mh = mip->mi_bridge_link) != NULL) { 12464eaa4710SRishi Srivatsavai newstate = mac_bridge_ls_cb(mh, 12474eaa4710SRishi Srivatsavai newstate); 12484eaa4710SRishi Srivatsavai } 12494eaa4710SRishi Srivatsavai mutex_exit(&mip->mi_bridge_lock); 12504eaa4710SRishi Srivatsavai } 12514eaa4710SRishi Srivatsavai if (newstate != mip->mi_linkstate) { 12524eaa4710SRishi Srivatsavai mip->mi_linkstate = newstate; 12534eaa4710SRishi Srivatsavai bits |= 1 << MAC_NOTE_LINK; 12544eaa4710SRishi Srivatsavai } 12554eaa4710SRishi Srivatsavai } 1256da14cebeSEric Cheng 1257da14cebeSEric Cheng /* 1258da14cebeSEric Cheng * Do notification callbacks for each notification type. 1259da14cebeSEric Cheng */ 1260da14cebeSEric Cheng for (type = 0; type < MAC_NNOTE; type++) { 1261da14cebeSEric Cheng if ((bits & (1 << type)) == 0) { 1262da14cebeSEric Cheng continue; 1263da14cebeSEric Cheng } 1264da14cebeSEric Cheng 12654eaa4710SRishi Srivatsavai if (mac_notify_cb_list[type] != NULL) 12664eaa4710SRishi Srivatsavai (*mac_notify_cb_list[type])(mip); 1267da14cebeSEric Cheng 1268da14cebeSEric Cheng /* 1269da14cebeSEric Cheng * Walk the list of notifications. 1270da14cebeSEric Cheng */ 1271da14cebeSEric Cheng MAC_CALLBACK_WALKER_INC(&mip->mi_notify_cb_info); 1272da14cebeSEric Cheng for (mcb = mip->mi_notify_cb_list; mcb != NULL; 1273da14cebeSEric Cheng mcb = mcb->mcb_nextp) { 1274da14cebeSEric Cheng mncb = (mac_notify_cb_t *)mcb->mcb_objp; 1275da14cebeSEric Cheng mncb->mncb_fn(mncb->mncb_arg, type); 1276da14cebeSEric Cheng } 1277da14cebeSEric Cheng MAC_CALLBACK_WALKER_DCR(&mip->mi_notify_cb_info, 1278da14cebeSEric Cheng &mip->mi_notify_cb_list); 1279da14cebeSEric Cheng } 1280da14cebeSEric Cheng 1281da14cebeSEric Cheng mutex_enter(mcbi->mcbi_lockp); 1282da14cebeSEric Cheng } 1283da14cebeSEric Cheng 1284da14cebeSEric Cheng mip->mi_state_flags |= MIS_NOTIFY_DONE; 1285da14cebeSEric Cheng cv_broadcast(&mcbi->mcbi_cv); 1286da14cebeSEric Cheng 1287da14cebeSEric Cheng /* CALLB_CPR_EXIT drops the lock */ 1288da14cebeSEric Cheng CALLB_CPR_EXIT(&cprinfo); 1289da14cebeSEric Cheng thread_exit(); 1290da14cebeSEric Cheng } 1291da14cebeSEric Cheng 1292da14cebeSEric Cheng /* 1293da14cebeSEric Cheng * Signal the i_mac_notify_thread asking it to quit. 1294da14cebeSEric Cheng * Then wait till it is done. 1295da14cebeSEric Cheng */ 1296da14cebeSEric Cheng void 1297da14cebeSEric Cheng i_mac_notify_exit(mac_impl_t *mip) 1298da14cebeSEric Cheng { 1299da14cebeSEric Cheng mac_cb_info_t *mcbi; 1300da14cebeSEric Cheng 1301da14cebeSEric Cheng mcbi = &mip->mi_notify_cb_info; 1302da14cebeSEric Cheng 1303da14cebeSEric Cheng mutex_enter(mcbi->mcbi_lockp); 1304da14cebeSEric Cheng mip->mi_notify_bits = (1 << MAC_NNOTE); 1305da14cebeSEric Cheng cv_broadcast(&mcbi->mcbi_cv); 1306da14cebeSEric Cheng 1307da14cebeSEric Cheng 1308da14cebeSEric Cheng while ((mip->mi_notify_thread != NULL) && 1309da14cebeSEric Cheng !(mip->mi_state_flags & MIS_NOTIFY_DONE)) { 1310da14cebeSEric Cheng cv_wait(&mcbi->mcbi_cv, mcbi->mcbi_lockp); 1311da14cebeSEric Cheng } 1312da14cebeSEric Cheng 1313da14cebeSEric Cheng /* Necessary clean up before doing kmem_cache_free */ 1314da14cebeSEric Cheng mip->mi_state_flags &= ~MIS_NOTIFY_DONE; 1315da14cebeSEric Cheng mip->mi_notify_bits = 0; 1316da14cebeSEric Cheng mip->mi_notify_thread = NULL; 1317da14cebeSEric Cheng mutex_exit(mcbi->mcbi_lockp); 1318da14cebeSEric Cheng } 1319da14cebeSEric Cheng 1320da14cebeSEric Cheng /* 1321da14cebeSEric Cheng * Entry point invoked by drivers to dynamically add a ring to an 1322da14cebeSEric Cheng * existing group. 1323da14cebeSEric Cheng */ 1324da14cebeSEric Cheng int 1325da14cebeSEric Cheng mac_group_add_ring(mac_group_handle_t gh, int index) 1326da14cebeSEric Cheng { 1327da14cebeSEric Cheng mac_group_t *group = (mac_group_t *)gh; 1328da14cebeSEric Cheng mac_impl_t *mip = (mac_impl_t *)group->mrg_mh; 1329da14cebeSEric Cheng int ret; 1330da14cebeSEric Cheng 1331da14cebeSEric Cheng i_mac_perim_enter(mip); 1332da14cebeSEric Cheng ret = i_mac_group_add_ring(group, NULL, index); 1333da14cebeSEric Cheng i_mac_perim_exit(mip); 1334da14cebeSEric Cheng return (ret); 1335da14cebeSEric Cheng } 1336da14cebeSEric Cheng 1337da14cebeSEric Cheng /* 1338da14cebeSEric Cheng * Entry point invoked by drivers to dynamically remove a ring 1339da14cebeSEric Cheng * from an existing group. The specified ring handle must no longer 1340da14cebeSEric Cheng * be used by the driver after a call to this function. 1341da14cebeSEric Cheng */ 1342da14cebeSEric Cheng void 1343da14cebeSEric Cheng mac_group_rem_ring(mac_group_handle_t gh, mac_ring_handle_t rh) 1344da14cebeSEric Cheng { 1345da14cebeSEric Cheng mac_group_t *group = (mac_group_t *)gh; 1346da14cebeSEric Cheng mac_impl_t *mip = (mac_impl_t *)group->mrg_mh; 1347da14cebeSEric Cheng 1348da14cebeSEric Cheng i_mac_perim_enter(mip); 13490dc2366fSVenugopal Iyer i_mac_group_rem_ring(group, (mac_ring_t *)rh, B_TRUE); 13500dc2366fSVenugopal Iyer i_mac_perim_exit(mip); 13510dc2366fSVenugopal Iyer } 1352da14cebeSEric Cheng 13530dc2366fSVenugopal Iyer /* 13540dc2366fSVenugopal Iyer * mac_prop_info_*() callbacks called from the driver's prefix_propinfo() 13550dc2366fSVenugopal Iyer * entry points. 13560dc2366fSVenugopal Iyer */ 1357da14cebeSEric Cheng 13580dc2366fSVenugopal Iyer void 13590dc2366fSVenugopal Iyer mac_prop_info_set_default_uint8(mac_prop_info_handle_t ph, uint8_t val) 13600dc2366fSVenugopal Iyer { 13610dc2366fSVenugopal Iyer mac_prop_info_state_t *pr = (mac_prop_info_state_t *)ph; 1362da14cebeSEric Cheng 13630dc2366fSVenugopal Iyer /* nothing to do if the caller doesn't want the default value */ 13640dc2366fSVenugopal Iyer if (pr->pr_default == NULL) 13650dc2366fSVenugopal Iyer return; 13660dc2366fSVenugopal Iyer 13670dc2366fSVenugopal Iyer ASSERT(pr->pr_default_size >= sizeof (uint8_t)); 13680dc2366fSVenugopal Iyer 13690dc2366fSVenugopal Iyer *(uint8_t *)(pr->pr_default) = val; 13700dc2366fSVenugopal Iyer pr->pr_flags |= MAC_PROP_INFO_DEFAULT; 13710dc2366fSVenugopal Iyer } 13720dc2366fSVenugopal Iyer 13730dc2366fSVenugopal Iyer void 13740dc2366fSVenugopal Iyer mac_prop_info_set_default_uint64(mac_prop_info_handle_t ph, uint64_t val) 13750dc2366fSVenugopal Iyer { 13760dc2366fSVenugopal Iyer mac_prop_info_state_t *pr = (mac_prop_info_state_t *)ph; 13770dc2366fSVenugopal Iyer 13780dc2366fSVenugopal Iyer /* nothing to do if the caller doesn't want the default value */ 13790dc2366fSVenugopal Iyer if (pr->pr_default == NULL) 13800dc2366fSVenugopal Iyer return; 13810dc2366fSVenugopal Iyer 13820dc2366fSVenugopal Iyer ASSERT(pr->pr_default_size >= sizeof (uint64_t)); 13830dc2366fSVenugopal Iyer 13840dc2366fSVenugopal Iyer bcopy(&val, pr->pr_default, sizeof (val)); 13850dc2366fSVenugopal Iyer 13860dc2366fSVenugopal Iyer pr->pr_flags |= MAC_PROP_INFO_DEFAULT; 13870dc2366fSVenugopal Iyer } 13880dc2366fSVenugopal Iyer 13890dc2366fSVenugopal Iyer void 13900dc2366fSVenugopal Iyer mac_prop_info_set_default_uint32(mac_prop_info_handle_t ph, uint32_t val) 13910dc2366fSVenugopal Iyer { 13920dc2366fSVenugopal Iyer mac_prop_info_state_t *pr = (mac_prop_info_state_t *)ph; 13930dc2366fSVenugopal Iyer 13940dc2366fSVenugopal Iyer /* nothing to do if the caller doesn't want the default value */ 13950dc2366fSVenugopal Iyer if (pr->pr_default == NULL) 13960dc2366fSVenugopal Iyer return; 13970dc2366fSVenugopal Iyer 13980dc2366fSVenugopal Iyer ASSERT(pr->pr_default_size >= sizeof (uint32_t)); 13990dc2366fSVenugopal Iyer 14000dc2366fSVenugopal Iyer bcopy(&val, pr->pr_default, sizeof (val)); 14010dc2366fSVenugopal Iyer 14020dc2366fSVenugopal Iyer pr->pr_flags |= MAC_PROP_INFO_DEFAULT; 14030dc2366fSVenugopal Iyer } 14040dc2366fSVenugopal Iyer 14050dc2366fSVenugopal Iyer void 14060dc2366fSVenugopal Iyer mac_prop_info_set_default_str(mac_prop_info_handle_t ph, const char *str) 14070dc2366fSVenugopal Iyer { 14080dc2366fSVenugopal Iyer mac_prop_info_state_t *pr = (mac_prop_info_state_t *)ph; 14090dc2366fSVenugopal Iyer 14100dc2366fSVenugopal Iyer /* nothing to do if the caller doesn't want the default value */ 14110dc2366fSVenugopal Iyer if (pr->pr_default == NULL) 14120dc2366fSVenugopal Iyer return; 14130dc2366fSVenugopal Iyer 1414f689bed1SRishi Srivatsavai if (strlen(str) >= pr->pr_default_size) 14150591ddd0SPrakash Jalan pr->pr_errno = ENOBUFS; 14160dc2366fSVenugopal Iyer else 1417f689bed1SRishi Srivatsavai (void) strlcpy(pr->pr_default, str, pr->pr_default_size); 14180dc2366fSVenugopal Iyer pr->pr_flags |= MAC_PROP_INFO_DEFAULT; 14190dc2366fSVenugopal Iyer } 14200dc2366fSVenugopal Iyer 14210dc2366fSVenugopal Iyer void 14220dc2366fSVenugopal Iyer mac_prop_info_set_default_link_flowctrl(mac_prop_info_handle_t ph, 14230dc2366fSVenugopal Iyer link_flowctrl_t val) 14240dc2366fSVenugopal Iyer { 14250dc2366fSVenugopal Iyer mac_prop_info_state_t *pr = (mac_prop_info_state_t *)ph; 14260dc2366fSVenugopal Iyer 14270dc2366fSVenugopal Iyer /* nothing to do if the caller doesn't want the default value */ 14280dc2366fSVenugopal Iyer if (pr->pr_default == NULL) 14290dc2366fSVenugopal Iyer return; 14300dc2366fSVenugopal Iyer 14310dc2366fSVenugopal Iyer ASSERT(pr->pr_default_size >= sizeof (link_flowctrl_t)); 14320dc2366fSVenugopal Iyer 14330dc2366fSVenugopal Iyer bcopy(&val, pr->pr_default, sizeof (val)); 14340dc2366fSVenugopal Iyer 14350dc2366fSVenugopal Iyer pr->pr_flags |= MAC_PROP_INFO_DEFAULT; 14360dc2366fSVenugopal Iyer } 14370dc2366fSVenugopal Iyer 14380dc2366fSVenugopal Iyer void 14390dc2366fSVenugopal Iyer mac_prop_info_set_range_uint32(mac_prop_info_handle_t ph, uint32_t min, 14400dc2366fSVenugopal Iyer uint32_t max) 14410dc2366fSVenugopal Iyer { 14420dc2366fSVenugopal Iyer mac_prop_info_state_t *pr = (mac_prop_info_state_t *)ph; 14430dc2366fSVenugopal Iyer mac_propval_range_t *range = pr->pr_range; 14440591ddd0SPrakash Jalan mac_propval_uint32_range_t *range32; 14450dc2366fSVenugopal Iyer 14460dc2366fSVenugopal Iyer /* nothing to do if the caller doesn't want the range info */ 14470dc2366fSVenugopal Iyer if (range == NULL) 14480dc2366fSVenugopal Iyer return; 14490dc2366fSVenugopal Iyer 14500591ddd0SPrakash Jalan if (pr->pr_range_cur_count++ == 0) { 14510591ddd0SPrakash Jalan /* first range */ 14520591ddd0SPrakash Jalan pr->pr_flags |= MAC_PROP_INFO_RANGE; 14530591ddd0SPrakash Jalan range->mpr_type = MAC_PROPVAL_UINT32; 14540591ddd0SPrakash Jalan } else { 14550591ddd0SPrakash Jalan /* all ranges of a property should be of the same type */ 14560591ddd0SPrakash Jalan ASSERT(range->mpr_type == MAC_PROPVAL_UINT32); 14570591ddd0SPrakash Jalan if (pr->pr_range_cur_count > range->mpr_count) { 14580591ddd0SPrakash Jalan pr->pr_errno = ENOSPC; 14590591ddd0SPrakash Jalan return; 14600591ddd0SPrakash Jalan } 14610591ddd0SPrakash Jalan } 14620591ddd0SPrakash Jalan 14630591ddd0SPrakash Jalan range32 = range->mpr_range_uint32; 14640591ddd0SPrakash Jalan range32[pr->pr_range_cur_count - 1].mpur_min = min; 14650591ddd0SPrakash Jalan range32[pr->pr_range_cur_count - 1].mpur_max = max; 14660dc2366fSVenugopal Iyer } 14670dc2366fSVenugopal Iyer 14680dc2366fSVenugopal Iyer void 14690dc2366fSVenugopal Iyer mac_prop_info_set_perm(mac_prop_info_handle_t ph, uint8_t perm) 14700dc2366fSVenugopal Iyer { 14710dc2366fSVenugopal Iyer mac_prop_info_state_t *pr = (mac_prop_info_state_t *)ph; 14720dc2366fSVenugopal Iyer 14730dc2366fSVenugopal Iyer pr->pr_perm = perm; 14740dc2366fSVenugopal Iyer pr->pr_flags |= MAC_PROP_INFO_PERM; 14750dc2366fSVenugopal Iyer } 14760dc2366fSVenugopal Iyer 14770dc2366fSVenugopal Iyer void mac_hcksum_get(mblk_t *mp, uint32_t *start, uint32_t *stuff, 14780dc2366fSVenugopal Iyer uint32_t *end, uint32_t *value, uint32_t *flags_ptr) 14790dc2366fSVenugopal Iyer { 14800dc2366fSVenugopal Iyer uint32_t flags; 14810dc2366fSVenugopal Iyer 14820dc2366fSVenugopal Iyer ASSERT(DB_TYPE(mp) == M_DATA); 14830dc2366fSVenugopal Iyer 14840dc2366fSVenugopal Iyer flags = DB_CKSUMFLAGS(mp) & HCK_FLAGS; 14850dc2366fSVenugopal Iyer if ((flags & (HCK_PARTIALCKSUM | HCK_FULLCKSUM)) != 0) { 14860dc2366fSVenugopal Iyer if (value != NULL) 14870dc2366fSVenugopal Iyer *value = (uint32_t)DB_CKSUM16(mp); 14880dc2366fSVenugopal Iyer if ((flags & HCK_PARTIALCKSUM) != 0) { 14890dc2366fSVenugopal Iyer if (start != NULL) 14900dc2366fSVenugopal Iyer *start = (uint32_t)DB_CKSUMSTART(mp); 14910dc2366fSVenugopal Iyer if (stuff != NULL) 14920dc2366fSVenugopal Iyer *stuff = (uint32_t)DB_CKSUMSTUFF(mp); 14930dc2366fSVenugopal Iyer if (end != NULL) 14940dc2366fSVenugopal Iyer *end = (uint32_t)DB_CKSUMEND(mp); 14950dc2366fSVenugopal Iyer } 14960dc2366fSVenugopal Iyer } 14970dc2366fSVenugopal Iyer 14980dc2366fSVenugopal Iyer if (flags_ptr != NULL) 14990dc2366fSVenugopal Iyer *flags_ptr = flags; 15000dc2366fSVenugopal Iyer } 15010dc2366fSVenugopal Iyer 15020dc2366fSVenugopal Iyer void mac_hcksum_set(mblk_t *mp, uint32_t start, uint32_t stuff, 15030dc2366fSVenugopal Iyer uint32_t end, uint32_t value, uint32_t flags) 15040dc2366fSVenugopal Iyer { 15050dc2366fSVenugopal Iyer ASSERT(DB_TYPE(mp) == M_DATA); 15060dc2366fSVenugopal Iyer 15070dc2366fSVenugopal Iyer DB_CKSUMSTART(mp) = (intptr_t)start; 15080dc2366fSVenugopal Iyer DB_CKSUMSTUFF(mp) = (intptr_t)stuff; 15090dc2366fSVenugopal Iyer DB_CKSUMEND(mp) = (intptr_t)end; 15100dc2366fSVenugopal Iyer DB_CKSUMFLAGS(mp) = (uint16_t)flags; 15110dc2366fSVenugopal Iyer DB_CKSUM16(mp) = (uint16_t)value; 15120dc2366fSVenugopal Iyer } 15130dc2366fSVenugopal Iyer 15140dc2366fSVenugopal Iyer void 15150dc2366fSVenugopal Iyer mac_lso_get(mblk_t *mp, uint32_t *mss, uint32_t *flags) 15160dc2366fSVenugopal Iyer { 15170dc2366fSVenugopal Iyer ASSERT(DB_TYPE(mp) == M_DATA); 15180dc2366fSVenugopal Iyer 15190dc2366fSVenugopal Iyer if (flags != NULL) { 15200dc2366fSVenugopal Iyer *flags = DB_CKSUMFLAGS(mp) & HW_LSO; 15210dc2366fSVenugopal Iyer if ((*flags != 0) && (mss != NULL)) 15220dc2366fSVenugopal Iyer *mss = (uint32_t)DB_LSOMSS(mp); 15230dc2366fSVenugopal Iyer } 1524da14cebeSEric Cheng } 152545d3dd98SRobert Mustacchi 152645d3dd98SRobert Mustacchi void 152745d3dd98SRobert Mustacchi mac_transceiver_info_set_present(mac_transceiver_info_t *infop, 152845d3dd98SRobert Mustacchi boolean_t present) 152945d3dd98SRobert Mustacchi { 153045d3dd98SRobert Mustacchi infop->mti_present = present; 153145d3dd98SRobert Mustacchi } 153245d3dd98SRobert Mustacchi 153345d3dd98SRobert Mustacchi void 153445d3dd98SRobert Mustacchi mac_transceiver_info_set_usable(mac_transceiver_info_t *infop, 153545d3dd98SRobert Mustacchi boolean_t usable) 153645d3dd98SRobert Mustacchi { 153745d3dd98SRobert Mustacchi infop->mti_usable = usable; 153845d3dd98SRobert Mustacchi } 1539