stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 1 | /* |
| 2 | * CDDL HEADER START |
| 3 | * |
| 4 | * The contents of this file are subject to the terms of the |
ericheng | 6b6515e | 2006-02-27 19:10:29 -0800 | [diff] [blame] | 5 | * Common Development and Distribution License (the "License"). |
| 6 | * You may not use this file except in compliance with the License. |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 7 | * |
| 8 | * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE |
| 9 | * or http://www.opensolaris.org/os/licensing. |
| 10 | * See the License for the specific language governing permissions |
| 11 | * and limitations under the License. |
| 12 | * |
| 13 | * When distributing Covered Code, include this CDDL HEADER in each |
| 14 | * file and include the License file at usr/src/OPENSOLARIS.LICENSE. |
| 15 | * If applicable, add the following below this CDDL HEADER, with the |
| 16 | * fields enclosed by brackets "[]" replaced with your own identifying |
| 17 | * information: Portions Copyright [yyyy] [name of copyright owner] |
| 18 | * |
| 19 | * CDDL HEADER END |
| 20 | */ |
| 21 | /* |
Cathy Zhou | 9056fce | 2010-05-06 19:01:43 -0400 | [diff] [blame] | 22 | * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved. |
Dan McDonald | cabb4db | 2012-01-10 01:19:59 -0500 | [diff] [blame] | 23 | * Copyright 2012, Nexenta Systems, Inc. All rights reserved. |
John Levon | 15c07ad | 2019-01-14 19:42:58 +0000 | [diff] [blame] | 24 | * Copyright (c) 2018, Joyent, Inc. |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 25 | */ |
| 26 | |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 27 | /* |
| 28 | * Data-Link Driver |
| 29 | */ |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 30 | #include <sys/sysmacros.h> |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 31 | #include <sys/strsubr.h> |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 32 | #include <sys/strsun.h> |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 33 | #include <sys/vlan.h> |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 34 | #include <sys/dld_impl.h> |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 35 | #include <sys/mac_client.h> |
| 36 | #include <sys/mac_client_impl.h> |
| 37 | #include <sys/mac_client_priv.h> |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 38 | |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 39 | typedef void proto_reqfunc_t(dld_str_t *, mblk_t *); |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 40 | |
| 41 | static proto_reqfunc_t proto_info_req, proto_attach_req, proto_detach_req, |
| 42 | proto_bind_req, proto_unbind_req, proto_promiscon_req, proto_promiscoff_req, |
| 43 | proto_enabmulti_req, proto_disabmulti_req, proto_physaddr_req, |
| 44 | proto_setphysaddr_req, proto_udqos_req, proto_req, proto_capability_req, |
yz147064 | d62bc4b | 2008-01-23 18:09:15 -0800 | [diff] [blame] | 45 | proto_notify_req, proto_passive_req; |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 46 | |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 47 | static void proto_capability_advertise(dld_str_t *, mblk_t *); |
| 48 | static int dld_capab_poll_disable(dld_str_t *, dld_capab_poll_t *); |
| 8d4cf8d | 2009-11-09 20:01:32 -0800 | [diff] [blame] | 49 | static boolean_t check_mod_above(queue_t *, const char *); |
krgopi | 4b46d1e | 2005-12-23 10:29:12 -0800 | [diff] [blame] | 50 | |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 51 | #define DL_ACK_PENDING(state) \ |
| 52 | ((state) == DL_ATTACH_PENDING || \ |
| 53 | (state) == DL_DETACH_PENDING || \ |
| 54 | (state) == DL_BIND_PENDING || \ |
| 55 | (state) == DL_UNBIND_PENDING) |
| 56 | |
| 57 | /* |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 58 | * Process a DLPI protocol message. |
| 59 | * The primitives DL_BIND_REQ, DL_ENABMULTI_REQ, DL_PROMISCON_REQ, |
| 60 | * DL_SET_PHYS_ADDR_REQ put the data link below our dld_str_t into an |
| 61 | * 'active' state. The primitive DL_PASSIVE_REQ marks our dld_str_t |
| 62 | * as 'passive' and forbids it from being subsequently made 'active' |
| 63 | * by the above primitives. |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 64 | */ |
| 65 | void |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 66 | dld_proto(dld_str_t *dsp, mblk_t *mp) |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 67 | { |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 68 | t_uscalar_t prim; |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 69 | |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 70 | if (MBLKL(mp) < sizeof (t_uscalar_t)) { |
| 71 | freemsg(mp); |
| 72 | return; |
| 73 | } |
| 74 | prim = ((union DL_primitives *)mp->b_rptr)->dl_primitive; |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 75 | |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 76 | switch (prim) { |
| 77 | case DL_INFO_REQ: |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 78 | proto_info_req(dsp, mp); |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 79 | break; |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 80 | case DL_BIND_REQ: |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 81 | proto_bind_req(dsp, mp); |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 82 | break; |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 83 | case DL_UNBIND_REQ: |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 84 | proto_unbind_req(dsp, mp); |
| 85 | break; |
| 86 | case DL_UNITDATA_REQ: |
| 87 | proto_unitdata_req(dsp, mp); |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 88 | break; |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 89 | case DL_UDQOS_REQ: |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 90 | proto_udqos_req(dsp, mp); |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 91 | break; |
| 92 | case DL_ATTACH_REQ: |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 93 | proto_attach_req(dsp, mp); |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 94 | break; |
| 95 | case DL_DETACH_REQ: |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 96 | proto_detach_req(dsp, mp); |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 97 | break; |
| 98 | case DL_ENABMULTI_REQ: |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 99 | proto_enabmulti_req(dsp, mp); |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 100 | break; |
| 101 | case DL_DISABMULTI_REQ: |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 102 | proto_disabmulti_req(dsp, mp); |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 103 | break; |
| 104 | case DL_PROMISCON_REQ: |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 105 | proto_promiscon_req(dsp, mp); |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 106 | break; |
| 107 | case DL_PROMISCOFF_REQ: |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 108 | proto_promiscoff_req(dsp, mp); |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 109 | break; |
| 110 | case DL_PHYS_ADDR_REQ: |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 111 | proto_physaddr_req(dsp, mp); |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 112 | break; |
| 113 | case DL_SET_PHYS_ADDR_REQ: |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 114 | proto_setphysaddr_req(dsp, mp); |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 115 | break; |
| 116 | case DL_NOTIFY_REQ: |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 117 | proto_notify_req(dsp, mp); |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 118 | break; |
| 119 | case DL_CAPABILITY_REQ: |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 120 | proto_capability_req(dsp, mp); |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 121 | break; |
| 122 | case DL_PASSIVE_REQ: |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 123 | proto_passive_req(dsp, mp); |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 124 | break; |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 125 | default: |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 126 | proto_req(dsp, mp); |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 127 | break; |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 128 | } |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 129 | } |
| 130 | |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 131 | #define NEG(x) -(x) |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 132 | typedef struct dl_info_ack_wrapper { |
| 133 | dl_info_ack_t dl_info; |
seb | ba2e444 | 2006-06-30 12:39:57 -0700 | [diff] [blame] | 134 | uint8_t dl_addr[MAXMACADDRLEN + sizeof (uint16_t)]; |
| 135 | uint8_t dl_brdcst_addr[MAXMACADDRLEN]; |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 136 | dl_qos_cl_range1_t dl_qos_range1; |
| 137 | dl_qos_cl_sel1_t dl_qos_sel1; |
| 138 | } dl_info_ack_wrapper_t; |
| 139 | |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 140 | /* |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 141 | * DL_INFO_REQ |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 142 | */ |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 143 | static void |
| 144 | proto_info_req(dld_str_t *dsp, mblk_t *mp) |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 145 | { |
| 146 | dl_info_ack_wrapper_t *dlwp; |
| 147 | dl_info_ack_t *dlp; |
| 148 | dl_qos_cl_sel1_t *selp; |
| 149 | dl_qos_cl_range1_t *rangep; |
| 150 | uint8_t *addr; |
| 151 | uint8_t *brdcst_addr; |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 152 | uint_t addr_length; |
| 153 | uint_t sap_length; |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 154 | mac_info_t minfo; |
| 155 | mac_info_t *minfop; |
| 156 | queue_t *q = dsp->ds_wq; |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 157 | |
| 158 | /* |
| 159 | * Swap the request message for one large enough to contain the |
| 160 | * wrapper structure defined above. |
| 161 | */ |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 162 | if ((mp = mexchange(q, mp, sizeof (dl_info_ack_wrapper_t), |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 163 | M_PCPROTO, 0)) == NULL) |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 164 | return; |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 165 | |
| 166 | bzero(mp->b_rptr, sizeof (dl_info_ack_wrapper_t)); |
| 167 | dlwp = (dl_info_ack_wrapper_t *)mp->b_rptr; |
| 168 | |
| 169 | dlp = &(dlwp->dl_info); |
| 170 | ASSERT(dlp == (dl_info_ack_t *)mp->b_rptr); |
| 171 | |
| 172 | dlp->dl_primitive = DL_INFO_ACK; |
| 173 | |
| 174 | /* |
| 175 | * Set up the sub-structure pointers. |
| 176 | */ |
| 177 | addr = dlwp->dl_addr; |
| 178 | brdcst_addr = dlwp->dl_brdcst_addr; |
| 179 | rangep = &(dlwp->dl_qos_range1); |
| 180 | selp = &(dlwp->dl_qos_sel1); |
| 181 | |
| 182 | /* |
| 183 | * This driver supports only version 2 connectionless DLPI provider |
| 184 | * nodes. |
| 185 | */ |
| 186 | dlp->dl_service_mode = DL_CLDLS; |
| 187 | dlp->dl_version = DL_VERSION_2; |
| 188 | |
| 189 | /* |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 190 | * Set the style of the provider |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 191 | */ |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 192 | dlp->dl_provider_style = dsp->ds_style; |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 193 | ASSERT(dlp->dl_provider_style == DL_STYLE1 || |
| 194 | dlp->dl_provider_style == DL_STYLE2); |
| 195 | |
| 196 | /* |
| 197 | * Set the current DLPI state. |
| 198 | */ |
| 199 | dlp->dl_current_state = dsp->ds_dlstate; |
| 200 | |
| 201 | /* |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 202 | * Gratuitously set the media type. This is to deal with modules |
| 203 | * that assume the media type is known prior to DL_ATTACH_REQ |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 204 | * being completed. |
| 205 | */ |
| 206 | dlp->dl_mac_type = DL_ETHER; |
| 207 | |
| 208 | /* |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 209 | * If the stream is not at least attached we try to retrieve the |
| 210 | * mac_info using mac_info_get() |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 211 | */ |
| 212 | if (dsp->ds_dlstate == DL_UNATTACHED || |
| 213 | dsp->ds_dlstate == DL_ATTACH_PENDING || |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 214 | dsp->ds_dlstate == DL_DETACH_PENDING) { |
| 215 | if (!mac_info_get(ddi_major_to_name(dsp->ds_major), &minfo)) { |
| 216 | /* |
| 217 | * Cannot find mac_info. giving up. |
| 218 | */ |
| 219 | goto done; |
| 220 | } |
| 221 | minfop = &minfo; |
| 222 | } else { |
| 223 | minfop = (mac_info_t *)dsp->ds_mip; |
sowmini | e7801d5 | 2008-01-24 14:49:21 -0800 | [diff] [blame] | 224 | /* We can only get the sdu if we're attached. */ |
| 225 | mac_sdu_get(dsp->ds_mh, &dlp->dl_min_sdu, &dlp->dl_max_sdu); |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 226 | } |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 227 | |
| 228 | /* |
| 229 | * Set the media type (properly this time). |
| 230 | */ |
xc151355 | 0ba2cbe | 2006-11-20 22:51:46 -0800 | [diff] [blame] | 231 | if (dsp->ds_native) |
| 232 | dlp->dl_mac_type = minfop->mi_nativemedia; |
| 233 | else |
| 234 | dlp->dl_mac_type = minfop->mi_media; |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 235 | |
| 236 | /* |
| 237 | * Set the DLSAP length. We only support 16 bit values and they |
| 238 | * appear after the MAC address portion of DLSAP addresses. |
| 239 | */ |
| 240 | sap_length = sizeof (uint16_t); |
| 241 | dlp->dl_sap_length = NEG(sap_length); |
| 242 | |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 243 | addr_length = minfop->mi_addr_length; |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 244 | |
| 245 | /* |
| 246 | * Copy in the media broadcast address. |
| 247 | */ |
seb | ba2e444 | 2006-06-30 12:39:57 -0700 | [diff] [blame] | 248 | if (minfop->mi_brdcst_addr != NULL) { |
| 249 | dlp->dl_brdcst_addr_offset = |
| 250 | (uintptr_t)brdcst_addr - (uintptr_t)dlp; |
| 251 | bcopy(minfop->mi_brdcst_addr, brdcst_addr, addr_length); |
| 252 | dlp->dl_brdcst_addr_length = addr_length; |
| 253 | } |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 254 | |
Sebastien Roy | e75f091 | 2009-02-20 21:38:08 -0500 | [diff] [blame] | 255 | /* Only VLAN links and links that have a normal tag mode support QOS. */ |
Sebastien Roy | a2da591 | 2009-03-03 13:28:43 -0500 | [diff] [blame] | 256 | if ((dsp->ds_mch != NULL && |
| 257 | mac_client_vid(dsp->ds_mch) != VLAN_ID_NONE) || |
| 258 | (dsp->ds_dlp != NULL && |
| 259 | dsp->ds_dlp->dl_tagmode == LINK_TAGMODE_NORMAL)) { |
Sebastien Roy | e75f091 | 2009-02-20 21:38:08 -0500 | [diff] [blame] | 260 | dlp->dl_qos_range_offset = (uintptr_t)rangep - (uintptr_t)dlp; |
| 261 | dlp->dl_qos_range_length = sizeof (dl_qos_cl_range1_t); |
dg199075 | 605445d | 2006-09-19 11:16:27 -0700 | [diff] [blame] | 262 | |
Sebastien Roy | e75f091 | 2009-02-20 21:38:08 -0500 | [diff] [blame] | 263 | rangep->dl_qos_type = DL_QOS_CL_RANGE1; |
| 264 | rangep->dl_trans_delay.dl_target_value = DL_UNKNOWN; |
| 265 | rangep->dl_trans_delay.dl_accept_value = DL_UNKNOWN; |
| 266 | rangep->dl_protection.dl_min = DL_UNKNOWN; |
| 267 | rangep->dl_protection.dl_max = DL_UNKNOWN; |
| 268 | rangep->dl_residual_error = DL_UNKNOWN; |
dg199075 | 605445d | 2006-09-19 11:16:27 -0700 | [diff] [blame] | 269 | |
Sebastien Roy | e75f091 | 2009-02-20 21:38:08 -0500 | [diff] [blame] | 270 | /* |
| 271 | * Specify the supported range of priorities. |
| 272 | */ |
| 273 | rangep->dl_priority.dl_min = 0; |
| 274 | rangep->dl_priority.dl_max = (1 << VLAN_PRI_SIZE) - 1; |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 275 | |
Sebastien Roy | e75f091 | 2009-02-20 21:38:08 -0500 | [diff] [blame] | 276 | dlp->dl_qos_offset = (uintptr_t)selp - (uintptr_t)dlp; |
| 277 | dlp->dl_qos_length = sizeof (dl_qos_cl_sel1_t); |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 278 | |
Sebastien Roy | e75f091 | 2009-02-20 21:38:08 -0500 | [diff] [blame] | 279 | selp->dl_qos_type = DL_QOS_CL_SEL1; |
| 280 | selp->dl_trans_delay = DL_UNKNOWN; |
| 281 | selp->dl_protection = DL_UNKNOWN; |
| 282 | selp->dl_residual_error = DL_UNKNOWN; |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 283 | |
Sebastien Roy | e75f091 | 2009-02-20 21:38:08 -0500 | [diff] [blame] | 284 | /* |
| 285 | * Specify the current priority (which can be changed by |
| 286 | * the DL_UDQOS_REQ primitive). |
| 287 | */ |
| 288 | selp->dl_priority = dsp->ds_pri; |
| 289 | } |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 290 | |
| 291 | dlp->dl_addr_length = addr_length + sizeof (uint16_t); |
| 292 | if (dsp->ds_dlstate == DL_IDLE) { |
| 293 | /* |
| 294 | * The stream is bound. Therefore we can formulate a valid |
| 295 | * DLSAP address. |
| 296 | */ |
| 297 | dlp->dl_addr_offset = (uintptr_t)addr - (uintptr_t)dlp; |
seb | ba2e444 | 2006-06-30 12:39:57 -0700 | [diff] [blame] | 298 | if (addr_length > 0) |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 299 | mac_unicast_primary_get(dsp->ds_mh, addr); |
| 300 | |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 301 | *(uint16_t *)(addr + addr_length) = dsp->ds_sap; |
| 302 | } |
| 303 | |
| 304 | done: |
Jonathan Adams | 56f3320 | 2010-01-12 17:06:34 -0800 | [diff] [blame] | 305 | IMPLY(dlp->dl_qos_offset != 0, dlp->dl_qos_length != 0); |
| 306 | IMPLY(dlp->dl_qos_range_offset != 0, |
| 307 | dlp->dl_qos_range_length != 0); |
| 308 | IMPLY(dlp->dl_addr_offset != 0, dlp->dl_addr_length != 0); |
| 309 | IMPLY(dlp->dl_brdcst_addr_offset != 0, |
| 310 | dlp->dl_brdcst_addr_length != 0); |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 311 | |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 312 | qreply(q, mp); |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 313 | } |
| 314 | |
| 315 | /* |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 316 | * DL_ATTACH_REQ |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 317 | */ |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 318 | static void |
| 319 | proto_attach_req(dld_str_t *dsp, mblk_t *mp) |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 320 | { |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 321 | dl_attach_req_t *dlp = (dl_attach_req_t *)mp->b_rptr; |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 322 | int err = 0; |
| 323 | t_uscalar_t dl_err; |
| 324 | queue_t *q = dsp->ds_wq; |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 325 | |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 326 | if (MBLKL(mp) < sizeof (dl_attach_req_t) || |
| 327 | dlp->dl_ppa < 0 || dsp->ds_style == DL_STYLE1) { |
| 328 | dl_err = DL_BADPRIM; |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 329 | goto failed; |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 330 | } |
| 331 | |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 332 | if (dsp->ds_dlstate != DL_UNATTACHED) { |
| 333 | dl_err = DL_OUTSTATE; |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 334 | goto failed; |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 335 | } |
| 336 | |
| 337 | dsp->ds_dlstate = DL_ATTACH_PENDING; |
| 338 | |
| 339 | err = dld_str_attach(dsp, dlp->dl_ppa); |
| 340 | if (err != 0) { |
| 341 | switch (err) { |
| 342 | case ENOENT: |
| 343 | dl_err = DL_BADPPA; |
| 344 | err = 0; |
| 345 | break; |
| 346 | default: |
| 347 | dl_err = DL_SYSERR; |
| 348 | break; |
| 349 | } |
| 350 | dsp->ds_dlstate = DL_UNATTACHED; |
| 351 | goto failed; |
| 352 | } |
| 353 | ASSERT(dsp->ds_dlstate == DL_UNBOUND); |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 354 | dlokack(q, mp, DL_ATTACH_REQ); |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 355 | return; |
| 356 | |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 357 | failed: |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 358 | dlerrorack(q, mp, DL_ATTACH_REQ, dl_err, (t_uscalar_t)err); |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 359 | } |
| 360 | |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 361 | /* |
| 362 | * DL_DETACH_REQ |
| 363 | */ |
| 364 | static void |
| 365 | proto_detach_req(dld_str_t *dsp, mblk_t *mp) |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 366 | { |
| 367 | queue_t *q = dsp->ds_wq; |
| 368 | t_uscalar_t dl_err; |
| 369 | |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 370 | if (MBLKL(mp) < sizeof (dl_detach_req_t)) { |
| 371 | dl_err = DL_BADPRIM; |
| 372 | goto failed; |
| 373 | } |
| 374 | |
| 375 | if (dsp->ds_dlstate != DL_UNBOUND) { |
| 376 | dl_err = DL_OUTSTATE; |
| 377 | goto failed; |
| 378 | } |
| 379 | |
| 380 | if (dsp->ds_style == DL_STYLE1) { |
| 381 | dl_err = DL_BADPRIM; |
| 382 | goto failed; |
| 383 | } |
| 384 | |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 385 | ASSERT(dsp->ds_datathr_cnt == 0); |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 386 | dsp->ds_dlstate = DL_DETACH_PENDING; |
| 387 | |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 388 | dld_str_detach(dsp); |
yz147064 | d62bc4b | 2008-01-23 18:09:15 -0800 | [diff] [blame] | 389 | dlokack(dsp->ds_wq, mp, DL_DETACH_REQ); |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 390 | return; |
| 391 | |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 392 | failed: |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 393 | dlerrorack(q, mp, DL_DETACH_REQ, dl_err, 0); |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 394 | } |
| 395 | |
| 396 | /* |
| 397 | * DL_BIND_REQ |
| 398 | */ |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 399 | static void |
| 400 | proto_bind_req(dld_str_t *dsp, mblk_t *mp) |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 401 | { |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 402 | dl_bind_req_t *dlp = (dl_bind_req_t *)mp->b_rptr; |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 403 | int err = 0; |
yz147064 | 6f45d2a | 2006-11-01 17:47:09 -0800 | [diff] [blame] | 404 | uint8_t dlsap_addr[MAXMACADDRLEN + sizeof (uint16_t)]; |
| 405 | uint_t dlsap_addr_length; |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 406 | t_uscalar_t dl_err; |
| 407 | t_scalar_t sap; |
| 408 | queue_t *q = dsp->ds_wq; |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 409 | mac_perim_handle_t mph; |
| 410 | void *mdip; |
| 411 | int32_t intr_cpu; |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 412 | |
| 413 | if (MBLKL(mp) < sizeof (dl_bind_req_t)) { |
| 414 | dl_err = DL_BADPRIM; |
| 415 | goto failed; |
| 416 | } |
| 417 | |
| 418 | if (dlp->dl_xidtest_flg != 0) { |
| 419 | dl_err = DL_NOAUTO; |
| 420 | goto failed; |
| 421 | } |
| 422 | |
| 423 | if (dlp->dl_service_mode != DL_CLDLS) { |
| 424 | dl_err = DL_UNSUPPORTED; |
| 425 | goto failed; |
| 426 | } |
| 427 | |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 428 | if (dsp->ds_dlstate != DL_UNBOUND) { |
| 429 | dl_err = DL_OUTSTATE; |
| 430 | goto failed; |
| 431 | } |
| 432 | |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 433 | mac_perim_enter_by_mh(dsp->ds_mh, &mph); |
| 434 | |
Cathy Zhou | 5d460ea | 2009-03-17 20:14:50 -0700 | [diff] [blame] | 435 | if ((err = dls_active_set(dsp)) != 0) { |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 436 | dl_err = DL_SYSERR; |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 437 | goto failed2; |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 438 | } |
| 439 | |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 440 | dsp->ds_dlstate = DL_BIND_PENDING; |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 441 | /* |
| 442 | * Set the receive callback. |
| 443 | */ |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 444 | dls_rx_set(dsp, (dsp->ds_mode == DLD_RAW) ? |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 445 | dld_str_rx_raw : dld_str_rx_unitdata, dsp); |
| 446 | |
| 447 | /* |
| 448 | * Bind the channel such that it can receive packets. |
| 449 | */ |
yz147064 | d62bc4b | 2008-01-23 18:09:15 -0800 | [diff] [blame] | 450 | sap = dlp->dl_sap; |
| 8d4cf8d | 2009-11-09 20:01:32 -0800 | [diff] [blame] | 451 | dsp->ds_nonip = !check_mod_above(dsp->ds_rq, "ip") && |
| 452 | !check_mod_above(dsp->ds_rq, "arp"); |
| 453 | |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 454 | err = dls_bind(dsp, sap); |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 455 | if (err != 0) { |
| 456 | switch (err) { |
| 457 | case EINVAL: |
| 458 | dl_err = DL_BADADDR; |
| 459 | err = 0; |
| 460 | break; |
| 461 | default: |
| 462 | dl_err = DL_SYSERR; |
| 463 | break; |
| 464 | } |
yz147064 | d62bc4b | 2008-01-23 18:09:15 -0800 | [diff] [blame] | 465 | |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 466 | dsp->ds_dlstate = DL_UNBOUND; |
Cathy Zhou | 5d460ea | 2009-03-17 20:14:50 -0700 | [diff] [blame] | 467 | dls_active_clear(dsp, B_FALSE); |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 468 | goto failed2; |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 469 | } |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 470 | |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 471 | intr_cpu = mac_client_intr_cpu(dsp->ds_mch); |
| 472 | mdip = mac_get_devinfo(dsp->ds_mh); |
| 473 | mac_perim_exit(mph); |
| 474 | |
| 475 | /* |
| 476 | * We do this after we get out of the perim to avoid deadlocks |
| 477 | * etc. since part of mac_client_retarget_intr is to walk the |
| 478 | * device tree in order to find and retarget the interrupts. |
| 479 | */ |
Venugopal Iyer | 0dc2366 | 2010-03-09 15:30:01 -0800 | [diff] [blame] | 480 | if (intr_cpu != -1) |
| 481 | mac_client_set_intr_cpu(mdip, dsp->ds_mch, intr_cpu); |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 482 | |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 483 | /* |
| 484 | * Copy in MAC address. |
| 485 | */ |
yz147064 | 6f45d2a | 2006-11-01 17:47:09 -0800 | [diff] [blame] | 486 | dlsap_addr_length = dsp->ds_mip->mi_addr_length; |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 487 | mac_unicast_primary_get(dsp->ds_mh, dlsap_addr); |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 488 | |
| 489 | /* |
yz147064 | 6f45d2a | 2006-11-01 17:47:09 -0800 | [diff] [blame] | 490 | * Copy in the SAP. |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 491 | */ |
yz147064 | d62bc4b | 2008-01-23 18:09:15 -0800 | [diff] [blame] | 492 | *(uint16_t *)(dlsap_addr + dlsap_addr_length) = sap; |
yz147064 | 6f45d2a | 2006-11-01 17:47:09 -0800 | [diff] [blame] | 493 | dlsap_addr_length += sizeof (uint16_t); |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 494 | |
| 495 | dsp->ds_dlstate = DL_IDLE; |
yz147064 | 6f45d2a | 2006-11-01 17:47:09 -0800 | [diff] [blame] | 496 | dlbindack(q, mp, sap, dlsap_addr, dlsap_addr_length, 0, 0); |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 497 | return; |
| 498 | |
| 499 | failed2: |
| 500 | mac_perim_exit(mph); |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 501 | failed: |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 502 | dlerrorack(q, mp, DL_BIND_REQ, dl_err, (t_uscalar_t)err); |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 503 | } |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 504 | |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 505 | /* |
| 506 | * DL_UNBIND_REQ |
| 507 | */ |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 508 | static void |
| 509 | proto_unbind_req(dld_str_t *dsp, mblk_t *mp) |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 510 | { |
yz147064 | d62bc4b | 2008-01-23 18:09:15 -0800 | [diff] [blame] | 511 | queue_t *q = dsp->ds_wq; |
| 512 | t_uscalar_t dl_err; |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 513 | mac_perim_handle_t mph; |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 514 | |
yz147064 | d62bc4b | 2008-01-23 18:09:15 -0800 | [diff] [blame] | 515 | if (MBLKL(mp) < sizeof (dl_unbind_req_t)) { |
| 516 | dl_err = DL_BADPRIM; |
| 517 | goto failed; |
| 518 | } |
| 519 | |
| 520 | if (dsp->ds_dlstate != DL_IDLE) { |
| 521 | dl_err = DL_OUTSTATE; |
| 522 | goto failed; |
| 523 | } |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 524 | |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 525 | mutex_enter(&dsp->ds_lock); |
| 526 | while (dsp->ds_datathr_cnt != 0) |
| 527 | cv_wait(&dsp->ds_datathr_cv, &dsp->ds_lock); |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 528 | |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 529 | dsp->ds_dlstate = DL_UNBIND_PENDING; |
| 530 | mutex_exit(&dsp->ds_lock); |
| 531 | |
| 532 | mac_perim_enter_by_mh(dsp->ds_mh, &mph); |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 533 | /* |
| 534 | * Unbind the channel to stop packets being received. |
| 535 | */ |
Girish Moodalbail | 5ecc58b | 2009-03-16 12:32:38 -0400 | [diff] [blame] | 536 | dls_unbind(dsp); |
yz147064 | d62bc4b | 2008-01-23 18:09:15 -0800 | [diff] [blame] | 537 | |
| 538 | /* |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 539 | * Disable polling mode, if it is enabled. |
| 540 | */ |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 541 | (void) dld_capab_poll_disable(dsp, NULL); |
yz147064 | d62bc4b | 2008-01-23 18:09:15 -0800 | [diff] [blame] | 542 | |
| 543 | /* |
yl150051 | 8347601 | 2006-11-13 20:44:19 -0800 | [diff] [blame] | 544 | * Clear LSO flags. |
| 545 | */ |
| 546 | dsp->ds_lso = B_FALSE; |
| 547 | dsp->ds_lso_max = 0; |
| 548 | |
| 549 | /* |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 550 | * Clear the receive callback. |
| 551 | */ |
| 552 | dls_rx_set(dsp, NULL, NULL); |
| 553 | dsp->ds_direct = B_FALSE; |
| 554 | |
| 555 | /* |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 556 | * Set the mode back to the default (unitdata). |
| 557 | */ |
| 558 | dsp->ds_mode = DLD_UNITDATA; |
ericheng | 6a0b2ba | 2006-01-30 18:57:13 -0800 | [diff] [blame] | 559 | dsp->ds_dlstate = DL_UNBOUND; |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 560 | |
Cathy Zhou | 5d460ea | 2009-03-17 20:14:50 -0700 | [diff] [blame] | 561 | dls_active_clear(dsp, B_FALSE); |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 562 | mac_perim_exit(mph); |
| 563 | dlokack(dsp->ds_wq, mp, DL_UNBIND_REQ); |
| 564 | return; |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 565 | failed: |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 566 | dlerrorack(q, mp, DL_UNBIND_REQ, dl_err, 0); |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 567 | } |
| 568 | |
| 569 | /* |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 570 | * DL_PROMISCON_REQ |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 571 | */ |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 572 | static void |
| 573 | proto_promiscon_req(dld_str_t *dsp, mblk_t *mp) |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 574 | { |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 575 | dl_promiscon_req_t *dlp = (dl_promiscon_req_t *)mp->b_rptr; |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 576 | int err = 0; |
| 577 | t_uscalar_t dl_err; |
Dan McDonald | cabb4db | 2012-01-10 01:19:59 -0500 | [diff] [blame] | 578 | uint32_t new_flags, promisc_saved; |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 579 | queue_t *q = dsp->ds_wq; |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 580 | mac_perim_handle_t mph; |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 581 | |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 582 | if (MBLKL(mp) < sizeof (dl_promiscon_req_t)) { |
| 583 | dl_err = DL_BADPRIM; |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 584 | goto failed; |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 585 | } |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 586 | |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 587 | if (dsp->ds_dlstate == DL_UNATTACHED || |
| 588 | DL_ACK_PENDING(dsp->ds_dlstate)) { |
| 589 | dl_err = DL_OUTSTATE; |
| 590 | goto failed; |
| 591 | } |
| 592 | |
Dan McDonald | cabb4db | 2012-01-10 01:19:59 -0500 | [diff] [blame] | 593 | mac_perim_enter_by_mh(dsp->ds_mh, &mph); |
| 594 | |
| 595 | new_flags = promisc_saved = dsp->ds_promisc; |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 596 | switch (dlp->dl_level) { |
| 597 | case DL_PROMISC_SAP: |
Dan McDonald | cabb4db | 2012-01-10 01:19:59 -0500 | [diff] [blame] | 598 | new_flags |= DLS_PROMISC_SAP; |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 599 | break; |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 600 | |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 601 | case DL_PROMISC_MULTI: |
Dan McDonald | cabb4db | 2012-01-10 01:19:59 -0500 | [diff] [blame] | 602 | new_flags |= DLS_PROMISC_MULTI; |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 603 | break; |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 604 | |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 605 | case DL_PROMISC_PHYS: |
Dan McDonald | cabb4db | 2012-01-10 01:19:59 -0500 | [diff] [blame] | 606 | new_flags |= DLS_PROMISC_PHYS; |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 607 | break; |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 608 | |
Robert Mustacchi | 115f9ea | 2015-11-14 00:17:58 +0000 | [diff] [blame] | 609 | case DL_PROMISC_RX_ONLY: |
| 610 | new_flags |= DLS_PROMISC_RX_ONLY; |
| 611 | break; |
| 612 | |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 613 | default: |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 614 | dl_err = DL_NOTSUPPORTED; |
Robert Mustacchi | ad7ed3f | 2013-10-04 18:00:02 -0700 | [diff] [blame] | 615 | goto failed2; |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 616 | } |
| 617 | |
Cathy Zhou | 5d460ea | 2009-03-17 20:14:50 -0700 | [diff] [blame] | 618 | if ((promisc_saved == 0) && (err = dls_active_set(dsp)) != 0) { |
Dan McDonald | cabb4db | 2012-01-10 01:19:59 -0500 | [diff] [blame] | 619 | ASSERT(dsp->ds_promisc == promisc_saved); |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 620 | dl_err = DL_SYSERR; |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 621 | goto failed2; |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 622 | } |
| 623 | |
| 624 | /* |
| 625 | * Adjust channel promiscuity. |
| 626 | */ |
Dan McDonald | cabb4db | 2012-01-10 01:19:59 -0500 | [diff] [blame] | 627 | err = dls_promisc(dsp, new_flags); |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 628 | |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 629 | if (err != 0) { |
| 630 | dl_err = DL_SYSERR; |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 631 | dsp->ds_promisc = promisc_saved; |
Cathy Zhou | 5d460ea | 2009-03-17 20:14:50 -0700 | [diff] [blame] | 632 | if (promisc_saved == 0) |
| 633 | dls_active_clear(dsp, B_FALSE); |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 634 | goto failed2; |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 635 | } |
| 636 | |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 637 | mac_perim_exit(mph); |
| 638 | |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 639 | dlokack(q, mp, DL_PROMISCON_REQ); |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 640 | return; |
| 641 | |
| 642 | failed2: |
| 643 | mac_perim_exit(mph); |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 644 | failed: |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 645 | dlerrorack(q, mp, DL_PROMISCON_REQ, dl_err, (t_uscalar_t)err); |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 646 | } |
| 647 | |
| 648 | /* |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 649 | * DL_PROMISCOFF_REQ |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 650 | */ |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 651 | static void |
| 652 | proto_promiscoff_req(dld_str_t *dsp, mblk_t *mp) |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 653 | { |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 654 | dl_promiscoff_req_t *dlp = (dl_promiscoff_req_t *)mp->b_rptr; |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 655 | int err = 0; |
| 656 | t_uscalar_t dl_err; |
Dan McDonald | cabb4db | 2012-01-10 01:19:59 -0500 | [diff] [blame] | 657 | uint32_t new_flags; |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 658 | queue_t *q = dsp->ds_wq; |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 659 | mac_perim_handle_t mph; |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 660 | |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 661 | if (MBLKL(mp) < sizeof (dl_promiscoff_req_t)) { |
| 662 | dl_err = DL_BADPRIM; |
| 663 | goto failed; |
| 664 | } |
| 665 | |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 666 | if (dsp->ds_dlstate == DL_UNATTACHED || |
| 667 | DL_ACK_PENDING(dsp->ds_dlstate)) { |
| 668 | dl_err = DL_OUTSTATE; |
| 669 | goto failed; |
| 670 | } |
| 671 | |
Dan McDonald | cabb4db | 2012-01-10 01:19:59 -0500 | [diff] [blame] | 672 | mac_perim_enter_by_mh(dsp->ds_mh, &mph); |
| 673 | |
| 674 | new_flags = dsp->ds_promisc; |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 675 | switch (dlp->dl_level) { |
| 676 | case DL_PROMISC_SAP: |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 677 | if (!(dsp->ds_promisc & DLS_PROMISC_SAP)) { |
| 678 | dl_err = DL_NOTENAB; |
Dan McDonald | cb6094b | 2017-09-21 21:25:11 +0000 | [diff] [blame] | 679 | goto failed2; |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 680 | } |
Dan McDonald | cabb4db | 2012-01-10 01:19:59 -0500 | [diff] [blame] | 681 | new_flags &= ~DLS_PROMISC_SAP; |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 682 | break; |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 683 | |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 684 | case DL_PROMISC_MULTI: |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 685 | if (!(dsp->ds_promisc & DLS_PROMISC_MULTI)) { |
| 686 | dl_err = DL_NOTENAB; |
Dan McDonald | cb6094b | 2017-09-21 21:25:11 +0000 | [diff] [blame] | 687 | goto failed2; |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 688 | } |
Dan McDonald | cabb4db | 2012-01-10 01:19:59 -0500 | [diff] [blame] | 689 | new_flags &= ~DLS_PROMISC_MULTI; |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 690 | break; |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 691 | |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 692 | case DL_PROMISC_PHYS: |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 693 | if (!(dsp->ds_promisc & DLS_PROMISC_PHYS)) { |
| 694 | dl_err = DL_NOTENAB; |
Dan McDonald | cb6094b | 2017-09-21 21:25:11 +0000 | [diff] [blame] | 695 | goto failed2; |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 696 | } |
Dan McDonald | cabb4db | 2012-01-10 01:19:59 -0500 | [diff] [blame] | 697 | new_flags &= ~DLS_PROMISC_PHYS; |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 698 | break; |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 699 | |
Robert Mustacchi | 115f9ea | 2015-11-14 00:17:58 +0000 | [diff] [blame] | 700 | case DL_PROMISC_RX_ONLY: |
| 701 | if (!(dsp->ds_promisc & DLS_PROMISC_RX_ONLY)) { |
| 702 | dl_err = DL_NOTENAB; |
| 703 | goto failed2; |
| 704 | } |
| 705 | new_flags &= ~DLS_PROMISC_RX_ONLY; |
| 706 | break; |
| 707 | |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 708 | default: |
| 709 | dl_err = DL_NOTSUPPORTED; |
Dan McDonald | cb6094b | 2017-09-21 21:25:11 +0000 | [diff] [blame] | 710 | goto failed2; |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 711 | } |
| 712 | |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 713 | /* |
| 714 | * Adjust channel promiscuity. |
| 715 | */ |
Dan McDonald | cabb4db | 2012-01-10 01:19:59 -0500 | [diff] [blame] | 716 | err = dls_promisc(dsp, new_flags); |
yz147064 | d62bc4b | 2008-01-23 18:09:15 -0800 | [diff] [blame] | 717 | |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 718 | if (err != 0) { |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 719 | dl_err = DL_SYSERR; |
Dan McDonald | cb6094b | 2017-09-21 21:25:11 +0000 | [diff] [blame] | 720 | goto failed2; |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 721 | } |
Cathy Zhou | 5d460ea | 2009-03-17 20:14:50 -0700 | [diff] [blame] | 722 | |
Dan McDonald | cabb4db | 2012-01-10 01:19:59 -0500 | [diff] [blame] | 723 | ASSERT(dsp->ds_promisc == new_flags); |
Cathy Zhou | 5d460ea | 2009-03-17 20:14:50 -0700 | [diff] [blame] | 724 | if (dsp->ds_promisc == 0) |
| 725 | dls_active_clear(dsp, B_FALSE); |
| 726 | |
| 727 | mac_perim_exit(mph); |
| 728 | |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 729 | dlokack(q, mp, DL_PROMISCOFF_REQ); |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 730 | return; |
Dan McDonald | cb6094b | 2017-09-21 21:25:11 +0000 | [diff] [blame] | 731 | failed2: |
| 732 | mac_perim_exit(mph); |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 733 | failed: |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 734 | dlerrorack(q, mp, DL_PROMISCOFF_REQ, dl_err, (t_uscalar_t)err); |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 735 | } |
| 736 | |
| 737 | /* |
| 738 | * DL_ENABMULTI_REQ |
| 739 | */ |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 740 | static void |
| 741 | proto_enabmulti_req(dld_str_t *dsp, mblk_t *mp) |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 742 | { |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 743 | dl_enabmulti_req_t *dlp = (dl_enabmulti_req_t *)mp->b_rptr; |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 744 | int err = 0; |
| 745 | t_uscalar_t dl_err; |
| 746 | queue_t *q = dsp->ds_wq; |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 747 | mac_perim_handle_t mph; |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 748 | |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 749 | if (dsp->ds_dlstate == DL_UNATTACHED || |
| 750 | DL_ACK_PENDING(dsp->ds_dlstate)) { |
| 751 | dl_err = DL_OUTSTATE; |
| 752 | goto failed; |
| 753 | } |
| 754 | |
| 755 | if (MBLKL(mp) < sizeof (dl_enabmulti_req_t) || |
| 756 | !MBLKIN(mp, dlp->dl_addr_offset, dlp->dl_addr_length) || |
| 757 | dlp->dl_addr_length != dsp->ds_mip->mi_addr_length) { |
| 758 | dl_err = DL_BADPRIM; |
| 759 | goto failed; |
| 760 | } |
| 761 | |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 762 | mac_perim_enter_by_mh(dsp->ds_mh, &mph); |
| 763 | |
Cathy Zhou | 5d460ea | 2009-03-17 20:14:50 -0700 | [diff] [blame] | 764 | if ((dsp->ds_dmap == NULL) && (err = dls_active_set(dsp)) != 0) { |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 765 | dl_err = DL_SYSERR; |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 766 | goto failed2; |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 767 | } |
| 768 | |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 769 | err = dls_multicst_add(dsp, mp->b_rptr + dlp->dl_addr_offset); |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 770 | if (err != 0) { |
| 771 | switch (err) { |
| 772 | case EINVAL: |
| 773 | dl_err = DL_BADADDR; |
| 774 | err = 0; |
| 775 | break; |
| 776 | case ENOSPC: |
| 777 | dl_err = DL_TOOMANY; |
| 778 | err = 0; |
| 779 | break; |
| 780 | default: |
| 781 | dl_err = DL_SYSERR; |
| 782 | break; |
| 783 | } |
Cathy Zhou | 5d460ea | 2009-03-17 20:14:50 -0700 | [diff] [blame] | 784 | if (dsp->ds_dmap == NULL) |
| 785 | dls_active_clear(dsp, B_FALSE); |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 786 | goto failed2; |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 787 | } |
| 788 | |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 789 | mac_perim_exit(mph); |
| 790 | |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 791 | dlokack(q, mp, DL_ENABMULTI_REQ); |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 792 | return; |
| 793 | |
| 794 | failed2: |
| 795 | mac_perim_exit(mph); |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 796 | failed: |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 797 | dlerrorack(q, mp, DL_ENABMULTI_REQ, dl_err, (t_uscalar_t)err); |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 798 | } |
| 799 | |
| 800 | /* |
| 801 | * DL_DISABMULTI_REQ |
| 802 | */ |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 803 | static void |
| 804 | proto_disabmulti_req(dld_str_t *dsp, mblk_t *mp) |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 805 | { |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 806 | dl_disabmulti_req_t *dlp = (dl_disabmulti_req_t *)mp->b_rptr; |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 807 | int err = 0; |
| 808 | t_uscalar_t dl_err; |
| 809 | queue_t *q = dsp->ds_wq; |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 810 | mac_perim_handle_t mph; |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 811 | |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 812 | if (dsp->ds_dlstate == DL_UNATTACHED || |
| 813 | DL_ACK_PENDING(dsp->ds_dlstate)) { |
| 814 | dl_err = DL_OUTSTATE; |
| 815 | goto failed; |
| 816 | } |
| 817 | |
| 818 | if (MBLKL(mp) < sizeof (dl_disabmulti_req_t) || |
| 819 | !MBLKIN(mp, dlp->dl_addr_offset, dlp->dl_addr_length) || |
| 820 | dlp->dl_addr_length != dsp->ds_mip->mi_addr_length) { |
| 821 | dl_err = DL_BADPRIM; |
| 822 | goto failed; |
| 823 | } |
| 824 | |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 825 | mac_perim_enter_by_mh(dsp->ds_mh, &mph); |
| 826 | err = dls_multicst_remove(dsp, mp->b_rptr + dlp->dl_addr_offset); |
Cathy Zhou | 5d460ea | 2009-03-17 20:14:50 -0700 | [diff] [blame] | 827 | if ((err == 0) && (dsp->ds_dmap == NULL)) |
| 828 | dls_active_clear(dsp, B_FALSE); |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 829 | mac_perim_exit(mph); |
| 830 | |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 831 | if (err != 0) { |
John Levon | 15c07ad | 2019-01-14 19:42:58 +0000 | [diff] [blame] | 832 | switch (err) { |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 833 | case EINVAL: |
| 834 | dl_err = DL_BADADDR; |
| 835 | err = 0; |
| 836 | break; |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 837 | |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 838 | case ENOENT: |
| 839 | dl_err = DL_NOTENAB; |
| 840 | err = 0; |
| 841 | break; |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 842 | |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 843 | default: |
| 844 | dl_err = DL_SYSERR; |
| 845 | break; |
| 846 | } |
| 847 | goto failed; |
| 848 | } |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 849 | dlokack(q, mp, DL_DISABMULTI_REQ); |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 850 | return; |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 851 | failed: |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 852 | dlerrorack(q, mp, DL_DISABMULTI_REQ, dl_err, (t_uscalar_t)err); |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 853 | } |
| 854 | |
| 855 | /* |
| 856 | * DL_PHYS_ADDR_REQ |
| 857 | */ |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 858 | static void |
| 859 | proto_physaddr_req(dld_str_t *dsp, mblk_t *mp) |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 860 | { |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 861 | dl_phys_addr_req_t *dlp = (dl_phys_addr_req_t *)mp->b_rptr; |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 862 | queue_t *q = dsp->ds_wq; |
Sebastien Roy | 2b24ab6 | 2009-09-22 22:04:45 -0400 | [diff] [blame] | 863 | t_uscalar_t dl_err = 0; |
| 864 | char *addr = NULL; |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 865 | uint_t addr_length; |
| 866 | |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 867 | if (MBLKL(mp) < sizeof (dl_phys_addr_req_t)) { |
| 868 | dl_err = DL_BADPRIM; |
Sebastien Roy | 2b24ab6 | 2009-09-22 22:04:45 -0400 | [diff] [blame] | 869 | goto done; |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 870 | } |
| 871 | |
| 872 | if (dsp->ds_dlstate == DL_UNATTACHED || |
| 873 | DL_ACK_PENDING(dsp->ds_dlstate)) { |
| 874 | dl_err = DL_OUTSTATE; |
Sebastien Roy | 2b24ab6 | 2009-09-22 22:04:45 -0400 | [diff] [blame] | 875 | goto done; |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 876 | } |
| 877 | |
| 878 | addr_length = dsp->ds_mip->mi_addr_length; |
dr146992 | c08e5e1 | 2008-04-03 13:54:53 -0700 | [diff] [blame] | 879 | if (addr_length > 0) { |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 880 | addr = kmem_alloc(addr_length, KM_SLEEP); |
Sebastien Roy | 2b24ab6 | 2009-09-22 22:04:45 -0400 | [diff] [blame] | 881 | switch (dlp->dl_addr_type) { |
| 882 | case DL_CURR_PHYS_ADDR: |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 883 | mac_unicast_primary_get(dsp->ds_mh, (uint8_t *)addr); |
Sebastien Roy | 2b24ab6 | 2009-09-22 22:04:45 -0400 | [diff] [blame] | 884 | break; |
| 885 | case DL_FACT_PHYS_ADDR: |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 886 | bcopy(dsp->ds_mip->mi_unicst_addr, addr, addr_length); |
Sebastien Roy | 2b24ab6 | 2009-09-22 22:04:45 -0400 | [diff] [blame] | 887 | break; |
| 888 | case DL_CURR_DEST_ADDR: |
| 889 | if (!mac_dst_get(dsp->ds_mh, (uint8_t *)addr)) |
| 890 | dl_err = DL_NOTSUPPORTED; |
| 891 | break; |
| 892 | default: |
| 893 | dl_err = DL_UNSUPPORTED; |
| 894 | } |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 895 | } |
Sebastien Roy | 2b24ab6 | 2009-09-22 22:04:45 -0400 | [diff] [blame] | 896 | done: |
| 897 | if (dl_err == 0) |
| 898 | dlphysaddrack(q, mp, addr, (t_uscalar_t)addr_length); |
| 899 | else |
| 900 | dlerrorack(q, mp, DL_PHYS_ADDR_REQ, dl_err, 0); |
| 901 | if (addr != NULL) |
| 902 | kmem_free(addr, addr_length); |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 903 | } |
| 904 | |
| 905 | /* |
| 906 | * DL_SET_PHYS_ADDR_REQ |
| 907 | */ |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 908 | static void |
| 909 | proto_setphysaddr_req(dld_str_t *dsp, mblk_t *mp) |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 910 | { |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 911 | dl_set_phys_addr_req_t *dlp = (dl_set_phys_addr_req_t *)mp->b_rptr; |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 912 | int err = 0; |
| 913 | t_uscalar_t dl_err; |
| 914 | queue_t *q = dsp->ds_wq; |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 915 | mac_perim_handle_t mph; |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 916 | |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 917 | if (dsp->ds_dlstate == DL_UNATTACHED || |
| 918 | DL_ACK_PENDING(dsp->ds_dlstate)) { |
| 919 | dl_err = DL_OUTSTATE; |
| 920 | goto failed; |
| 921 | } |
| 922 | |
| 923 | if (MBLKL(mp) < sizeof (dl_set_phys_addr_req_t) || |
| 924 | !MBLKIN(mp, dlp->dl_addr_offset, dlp->dl_addr_length) || |
| 925 | dlp->dl_addr_length != dsp->ds_mip->mi_addr_length) { |
| 926 | dl_err = DL_BADPRIM; |
| 927 | goto failed; |
| 928 | } |
| 929 | |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 930 | mac_perim_enter_by_mh(dsp->ds_mh, &mph); |
| 931 | |
Cathy Zhou | 5d460ea | 2009-03-17 20:14:50 -0700 | [diff] [blame] | 932 | if ((err = dls_active_set(dsp)) != 0) { |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 933 | dl_err = DL_SYSERR; |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 934 | goto failed2; |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 935 | } |
| 936 | |
Eric Cheng | 25ec3e3 | 2009-10-07 14:39:04 -0700 | [diff] [blame] | 937 | /* |
| 938 | * If mac-nospoof is enabled and the link is owned by a |
| 939 | * non-global zone, changing the mac address is not allowed. |
| 940 | */ |
| 941 | if (dsp->ds_dlp->dl_zid != GLOBAL_ZONEID && |
| 942 | mac_protect_enabled(dsp->ds_mch, MPT_MACNOSPOOF)) { |
| 943 | dls_active_clear(dsp, B_FALSE); |
| 944 | err = EACCES; |
| 945 | goto failed2; |
| 946 | } |
| 947 | |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 948 | err = mac_unicast_primary_set(dsp->ds_mh, |
| 949 | mp->b_rptr + dlp->dl_addr_offset); |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 950 | if (err != 0) { |
| 951 | switch (err) { |
| 952 | case EINVAL: |
| 953 | dl_err = DL_BADADDR; |
| 954 | err = 0; |
| 955 | break; |
| 956 | |
| 957 | default: |
| 958 | dl_err = DL_SYSERR; |
| 959 | break; |
| 960 | } |
Cathy Zhou | 5d460ea | 2009-03-17 20:14:50 -0700 | [diff] [blame] | 961 | dls_active_clear(dsp, B_FALSE); |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 962 | goto failed2; |
| 963 | |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 964 | } |
yz147064 | d62bc4b | 2008-01-23 18:09:15 -0800 | [diff] [blame] | 965 | |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 966 | mac_perim_exit(mph); |
| 967 | |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 968 | dlokack(q, mp, DL_SET_PHYS_ADDR_REQ); |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 969 | return; |
| 970 | |
| 971 | failed2: |
| 972 | mac_perim_exit(mph); |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 973 | failed: |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 974 | dlerrorack(q, mp, DL_SET_PHYS_ADDR_REQ, dl_err, (t_uscalar_t)err); |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 975 | } |
| 976 | |
| 977 | /* |
| 978 | * DL_UDQOS_REQ |
| 979 | */ |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 980 | static void |
| 981 | proto_udqos_req(dld_str_t *dsp, mblk_t *mp) |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 982 | { |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 983 | dl_udqos_req_t *dlp = (dl_udqos_req_t *)mp->b_rptr; |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 984 | dl_qos_cl_sel1_t *selp; |
| 985 | int off, len; |
| 986 | t_uscalar_t dl_err; |
| 987 | queue_t *q = dsp->ds_wq; |
| 988 | |
| 989 | off = dlp->dl_qos_offset; |
| 990 | len = dlp->dl_qos_length; |
| 991 | |
| 992 | if (MBLKL(mp) < sizeof (dl_udqos_req_t) || !MBLKIN(mp, off, len)) { |
| 993 | dl_err = DL_BADPRIM; |
| 994 | goto failed; |
| 995 | } |
| 996 | |
| 997 | selp = (dl_qos_cl_sel1_t *)(mp->b_rptr + off); |
| 998 | if (selp->dl_qos_type != DL_QOS_CL_SEL1) { |
| 999 | dl_err = DL_BADQOSTYPE; |
| 1000 | goto failed; |
| 1001 | } |
| 1002 | |
dg199075 | 605445d | 2006-09-19 11:16:27 -0700 | [diff] [blame] | 1003 | if (selp->dl_priority > (1 << VLAN_PRI_SIZE) - 1 || |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 1004 | selp->dl_priority < 0) { |
| 1005 | dl_err = DL_BADQOSPARAM; |
| 1006 | goto failed; |
| 1007 | } |
| 1008 | |
yz147064 | d62bc4b | 2008-01-23 18:09:15 -0800 | [diff] [blame] | 1009 | dsp->ds_pri = selp->dl_priority; |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 1010 | dlokack(q, mp, DL_UDQOS_REQ); |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 1011 | return; |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 1012 | failed: |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 1013 | dlerrorack(q, mp, DL_UDQOS_REQ, dl_err, 0); |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 1014 | } |
| 1015 | |
krgopi | 4b46d1e | 2005-12-23 10:29:12 -0800 | [diff] [blame] | 1016 | static boolean_t |
| 8d4cf8d | 2009-11-09 20:01:32 -0800 | [diff] [blame] | 1017 | check_mod_above(queue_t *q, const char *mod) |
krgopi | 4b46d1e | 2005-12-23 10:29:12 -0800 | [diff] [blame] | 1018 | { |
| 1019 | queue_t *next_q; |
| 1020 | boolean_t ret = B_TRUE; |
| 1021 | |
| 1022 | claimstr(q); |
| 1023 | next_q = q->q_next; |
| 8d4cf8d | 2009-11-09 20:01:32 -0800 | [diff] [blame] | 1024 | if (strcmp(next_q->q_qinfo->qi_minfo->mi_idname, mod) != 0) |
krgopi | 4b46d1e | 2005-12-23 10:29:12 -0800 | [diff] [blame] | 1025 | ret = B_FALSE; |
| 1026 | releasestr(q); |
| 1027 | return (ret); |
| 1028 | } |
| 1029 | |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 1030 | /* |
| 1031 | * DL_CAPABILITY_REQ |
| 1032 | */ |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 1033 | static void |
| 1034 | proto_capability_req(dld_str_t *dsp, mblk_t *mp) |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 1035 | { |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 1036 | dl_capability_req_t *dlp = (dl_capability_req_t *)mp->b_rptr; |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 1037 | dl_capability_sub_t *sp; |
| 1038 | size_t size, len; |
| 1039 | offset_t off, end; |
| 1040 | t_uscalar_t dl_err; |
| 1041 | queue_t *q = dsp->ds_wq; |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 1042 | |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 1043 | if (MBLKL(mp) < sizeof (dl_capability_req_t)) { |
| 1044 | dl_err = DL_BADPRIM; |
| 1045 | goto failed; |
| 1046 | } |
| 1047 | |
| 1048 | if (dsp->ds_dlstate == DL_UNATTACHED || |
| 1049 | DL_ACK_PENDING(dsp->ds_dlstate)) { |
| 1050 | dl_err = DL_OUTSTATE; |
| 1051 | goto failed; |
| 1052 | } |
| 1053 | |
| 1054 | /* |
| 1055 | * This request is overloaded. If there are no requested capabilities |
| 1056 | * then we just want to acknowledge with all the capabilities we |
| 1057 | * support. Otherwise we enable the set of capabilities requested. |
| 1058 | */ |
| 1059 | if (dlp->dl_sub_length == 0) { |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 1060 | proto_capability_advertise(dsp, mp); |
| 1061 | return; |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 1062 | } |
| 1063 | |
| 1064 | if (!MBLKIN(mp, dlp->dl_sub_offset, dlp->dl_sub_length)) { |
| 1065 | dl_err = DL_BADPRIM; |
| 1066 | goto failed; |
| 1067 | } |
| 1068 | |
| 1069 | dlp->dl_primitive = DL_CAPABILITY_ACK; |
| 1070 | |
| 1071 | off = dlp->dl_sub_offset; |
| 1072 | len = dlp->dl_sub_length; |
| 1073 | |
| 1074 | /* |
| 1075 | * Walk the list of capabilities to be enabled. |
| 1076 | */ |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 1077 | for (end = off + len; off < end; ) { |
| 1078 | sp = (dl_capability_sub_t *)(mp->b_rptr + off); |
| 1079 | size = sizeof (dl_capability_sub_t) + sp->dl_length; |
| 1080 | |
| 1081 | if (off + size > end || |
| 1082 | !IS_P2ALIGNED(off, sizeof (uint32_t))) { |
| 1083 | dl_err = DL_BADPRIM; |
| 1084 | goto failed; |
| 1085 | } |
| 1086 | |
| 1087 | switch (sp->dl_cap) { |
| 1088 | /* |
| 1089 | * TCP/IP checksum offload to hardware. |
| 1090 | */ |
| 1091 | case DL_CAPAB_HCKSUM: { |
| 1092 | dl_capab_hcksum_t *hcksump; |
| 1093 | dl_capab_hcksum_t hcksum; |
| 1094 | |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 1095 | hcksump = (dl_capab_hcksum_t *)&sp[1]; |
| 1096 | /* |
| 1097 | * Copy for alignment. |
| 1098 | */ |
| 1099 | bcopy(hcksump, &hcksum, sizeof (dl_capab_hcksum_t)); |
| 1100 | dlcapabsetqid(&(hcksum.hcksum_mid), dsp->ds_rq); |
| 1101 | bcopy(&hcksum, hcksump, sizeof (dl_capab_hcksum_t)); |
| 1102 | break; |
| 1103 | } |
| 1104 | |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 1105 | case DL_CAPAB_DLD: { |
| 1106 | dl_capab_dld_t *dldp; |
| 1107 | dl_capab_dld_t dld; |
yl150051 | 8347601 | 2006-11-13 20:44:19 -0800 | [diff] [blame] | 1108 | |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 1109 | dldp = (dl_capab_dld_t *)&sp[1]; |
yl150051 | 8347601 | 2006-11-13 20:44:19 -0800 | [diff] [blame] | 1110 | /* |
| 1111 | * Copy for alignment. |
| 1112 | */ |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 1113 | bcopy(dldp, &dld, sizeof (dl_capab_dld_t)); |
| 1114 | dlcapabsetqid(&(dld.dld_mid), dsp->ds_rq); |
| 1115 | bcopy(&dld, dldp, sizeof (dl_capab_dld_t)); |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 1116 | break; |
| 1117 | } |
| 1118 | default: |
| 1119 | break; |
| 1120 | } |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 1121 | off += size; |
| 1122 | } |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 1123 | qreply(q, mp); |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 1124 | return; |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 1125 | failed: |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 1126 | dlerrorack(q, mp, DL_CAPABILITY_REQ, dl_err, 0); |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 1127 | } |
| 1128 | |
| 1129 | /* |
| 1130 | * DL_NOTIFY_REQ |
| 1131 | */ |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 1132 | static void |
| 1133 | proto_notify_req(dld_str_t *dsp, mblk_t *mp) |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 1134 | { |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 1135 | dl_notify_req_t *dlp = (dl_notify_req_t *)mp->b_rptr; |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 1136 | t_uscalar_t dl_err; |
| 1137 | queue_t *q = dsp->ds_wq; |
| 1138 | uint_t note = |
| 1139 | DL_NOTE_PROMISC_ON_PHYS | |
| 1140 | DL_NOTE_PROMISC_OFF_PHYS | |
| 1141 | DL_NOTE_PHYS_ADDR | |
| 1142 | DL_NOTE_LINK_UP | |
| 1143 | DL_NOTE_LINK_DOWN | |
seb | ba2e444 | 2006-06-30 12:39:57 -0700 | [diff] [blame] | 1144 | DL_NOTE_CAPAB_RENEG | |
Girish Moodalbail | cef310f | 2009-02-26 11:20:29 -0500 | [diff] [blame] | 1145 | DL_NOTE_FASTPATH_FLUSH | |
Sebastien Roy | 2b24ab6 | 2009-09-22 22:04:45 -0400 | [diff] [blame] | 1146 | DL_NOTE_SPEED | |
Sowmini Varadhan | 550b6e4 | 2010-07-01 17:10:52 -0400 | [diff] [blame] | 1147 | DL_NOTE_SDU_SIZE| |
Erik Nordmark | 1eee170 | 2010-08-16 15:30:54 -0700 | [diff] [blame] | 1148 | DL_NOTE_SDU_SIZE2| |
Sowmini Varadhan | 550b6e4 | 2010-07-01 17:10:52 -0400 | [diff] [blame] | 1149 | DL_NOTE_ALLOWED_IPS; |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 1150 | |
| 1151 | if (MBLKL(mp) < sizeof (dl_notify_req_t)) { |
| 1152 | dl_err = DL_BADPRIM; |
| 1153 | goto failed; |
| 1154 | } |
| 1155 | |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 1156 | if (dsp->ds_dlstate == DL_UNATTACHED || |
| 1157 | DL_ACK_PENDING(dsp->ds_dlstate)) { |
| 1158 | dl_err = DL_OUTSTATE; |
| 1159 | goto failed; |
| 1160 | } |
| 1161 | |
yz147064 | d62bc4b | 2008-01-23 18:09:15 -0800 | [diff] [blame] | 1162 | note &= ~(mac_no_notification(dsp->ds_mh)); |
| 1163 | |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 1164 | /* |
| 1165 | * Cache the notifications that are being enabled. |
| 1166 | */ |
| 1167 | dsp->ds_notifications = dlp->dl_notifications & note; |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 1168 | /* |
| 1169 | * The ACK carries all notifications regardless of which set is |
| 1170 | * being enabled. |
| 1171 | */ |
| 1172 | dlnotifyack(q, mp, note); |
| 1173 | |
| 1174 | /* |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 1175 | * Generate DL_NOTIFY_IND messages for each enabled notification. |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 1176 | */ |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 1177 | if (dsp->ds_notifications != 0) { |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 1178 | dld_str_notify_ind(dsp); |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 1179 | } |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 1180 | return; |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 1181 | failed: |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 1182 | dlerrorack(q, mp, DL_NOTIFY_REQ, dl_err, 0); |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 1183 | } |
| 1184 | |
| 1185 | /* |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 1186 | * DL_UINTDATA_REQ |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 1187 | */ |
yz147064 | d62bc4b | 2008-01-23 18:09:15 -0800 | [diff] [blame] | 1188 | void |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 1189 | proto_unitdata_req(dld_str_t *dsp, mblk_t *mp) |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 1190 | { |
| 1191 | queue_t *q = dsp->ds_wq; |
yz147064 | d62bc4b | 2008-01-23 18:09:15 -0800 | [diff] [blame] | 1192 | dl_unitdata_req_t *dlp = (dl_unitdata_req_t *)mp->b_rptr; |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 1193 | off_t off; |
| 1194 | size_t len, size; |
| 1195 | const uint8_t *addr; |
| 1196 | uint16_t sap; |
| 1197 | uint_t addr_length; |
seb | ba2e444 | 2006-06-30 12:39:57 -0700 | [diff] [blame] | 1198 | mblk_t *bp, *payload; |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 1199 | t_uscalar_t dl_err; |
sowmini | e7801d5 | 2008-01-24 14:49:21 -0800 | [diff] [blame] | 1200 | uint_t max_sdu; |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 1201 | |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 1202 | if (MBLKL(mp) < sizeof (dl_unitdata_req_t) || mp->b_cont == NULL) { |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 1203 | dlerrorack(q, mp, DL_UNITDATA_REQ, DL_BADPRIM, 0); |
| 1204 | return; |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 1205 | } |
| 1206 | |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 1207 | mutex_enter(&dsp->ds_lock); |
| 1208 | if (dsp->ds_dlstate != DL_IDLE) { |
| 1209 | mutex_exit(&dsp->ds_lock); |
| 1210 | dlerrorack(q, mp, DL_UNITDATA_REQ, DL_OUTSTATE, 0); |
| 1211 | return; |
| 1212 | } |
| 1213 | DLD_DATATHR_INC(dsp); |
| 1214 | mutex_exit(&dsp->ds_lock); |
| 1215 | |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 1216 | addr_length = dsp->ds_mip->mi_addr_length; |
| 1217 | |
| 1218 | off = dlp->dl_dest_addr_offset; |
| 1219 | len = dlp->dl_dest_addr_length; |
| 1220 | |
| 1221 | if (!MBLKIN(mp, off, len) || !IS_P2ALIGNED(off, sizeof (uint16_t))) { |
| 1222 | dl_err = DL_BADPRIM; |
| 1223 | goto failed; |
| 1224 | } |
| 1225 | |
| 1226 | if (len != addr_length + sizeof (uint16_t)) { |
| 1227 | dl_err = DL_BADADDR; |
| 1228 | goto failed; |
| 1229 | } |
| 1230 | |
| 1231 | addr = mp->b_rptr + off; |
| 1232 | sap = *(uint16_t *)(mp->b_rptr + off + addr_length); |
| 1233 | |
| 1234 | /* |
| 1235 | * Check the length of the packet and the block types. |
| 1236 | */ |
| 1237 | size = 0; |
seb | ba2e444 | 2006-06-30 12:39:57 -0700 | [diff] [blame] | 1238 | payload = mp->b_cont; |
| 1239 | for (bp = payload; bp != NULL; bp = bp->b_cont) { |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 1240 | if (DB_TYPE(bp) != M_DATA) |
| 1241 | goto baddata; |
| 1242 | |
| 1243 | size += MBLKL(bp); |
| 1244 | } |
| 1245 | |
sowmini | e7801d5 | 2008-01-24 14:49:21 -0800 | [diff] [blame] | 1246 | mac_sdu_get(dsp->ds_mh, NULL, &max_sdu); |
| 1247 | if (size > max_sdu) |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 1248 | goto baddata; |
| 1249 | |
| 1250 | /* |
| 1251 | * Build a packet header. |
| 1252 | */ |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 1253 | if ((bp = dls_header(dsp, addr, sap, dlp->dl_priority.dl_max, |
dg199075 | 605445d | 2006-09-19 11:16:27 -0700 | [diff] [blame] | 1254 | &payload)) == NULL) { |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 1255 | dl_err = DL_BADADDR; |
| 1256 | goto failed; |
| 1257 | } |
| 1258 | |
| 1259 | /* |
| 1260 | * We no longer need the M_PROTO header, so free it. |
| 1261 | */ |
| 1262 | freeb(mp); |
| 1263 | |
| 1264 | /* |
| 1265 | * Transfer the checksum offload information if it is present. |
| 1266 | */ |
Patrick Mooney | ec71f88 | 2018-03-14 23:26:36 +0000 | [diff] [blame] | 1267 | mac_hcksum_clone(payload, bp); |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 1268 | |
| 1269 | /* |
| 1270 | * Link the payload onto the new header. |
| 1271 | */ |
| 1272 | ASSERT(bp->b_cont == NULL); |
seb | ba2e444 | 2006-06-30 12:39:57 -0700 | [diff] [blame] | 1273 | bp->b_cont = payload; |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 1274 | |
| 1275 | /* |
| 1276 | * No lock can be held across modules and putnext()'s, |
| 1277 | * which can happen here with the call from DLD_TX(). |
| 1278 | */ |
Toomas Soome | 8648b7d | 2019-01-18 13:50:43 +0200 | [diff] [blame] | 1279 | if (DLD_TX(dsp, bp, 0, 0) != 0) { |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 1280 | /* flow-controlled */ |
| 1281 | DLD_SETQFULL(dsp); |
| 1282 | } |
| 1283 | DLD_DATATHR_DCR(dsp); |
yz147064 | d62bc4b | 2008-01-23 18:09:15 -0800 | [diff] [blame] | 1284 | return; |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 1285 | |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 1286 | failed: |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 1287 | dlerrorack(q, mp, DL_UNITDATA_REQ, dl_err, 0); |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 1288 | DLD_DATATHR_DCR(dsp); |
yz147064 | d62bc4b | 2008-01-23 18:09:15 -0800 | [diff] [blame] | 1289 | return; |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 1290 | |
| 1291 | baddata: |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 1292 | dluderrorind(q, mp, (void *)addr, len, DL_BADDATA, 0); |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 1293 | DLD_DATATHR_DCR(dsp); |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 1294 | } |
| 1295 | |
| 1296 | /* |
| 1297 | * DL_PASSIVE_REQ |
| 1298 | */ |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 1299 | static void |
| 1300 | proto_passive_req(dld_str_t *dsp, mblk_t *mp) |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 1301 | { |
| 1302 | t_uscalar_t dl_err; |
| 1303 | |
yz147064 | d62bc4b | 2008-01-23 18:09:15 -0800 | [diff] [blame] | 1304 | /* |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 1305 | * If we've already become active by issuing an active primitive, |
| 1306 | * then it's too late to try to become passive. |
| 1307 | */ |
| 1308 | if (dsp->ds_passivestate == DLD_ACTIVE) { |
| 1309 | dl_err = DL_OUTSTATE; |
| 1310 | goto failed; |
| 1311 | } |
| 1312 | |
| 1313 | if (MBLKL(mp) < sizeof (dl_passive_req_t)) { |
| 1314 | dl_err = DL_BADPRIM; |
| 1315 | goto failed; |
| 1316 | } |
| 1317 | |
| 1318 | dsp->ds_passivestate = DLD_PASSIVE; |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 1319 | dlokack(dsp->ds_wq, mp, DL_PASSIVE_REQ); |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 1320 | return; |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 1321 | failed: |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 1322 | dlerrorack(dsp->ds_wq, mp, DL_PASSIVE_REQ, dl_err, 0); |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 1323 | } |
| 1324 | |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 1325 | |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 1326 | /* |
| 1327 | * Catch-all handler. |
| 1328 | */ |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 1329 | static void |
| 1330 | proto_req(dld_str_t *dsp, mblk_t *mp) |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 1331 | { |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 1332 | union DL_primitives *dlp = (union DL_primitives *)mp->b_rptr; |
| 1333 | |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 1334 | dlerrorack(dsp->ds_wq, mp, dlp->dl_primitive, DL_UNSUPPORTED, 0); |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 1335 | } |
| 1336 | |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 1337 | static int |
| 1338 | dld_capab_perim(dld_str_t *dsp, void *data, uint_t flags) |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 1339 | { |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 1340 | switch (flags) { |
| 1341 | case DLD_ENABLE: |
| 1342 | mac_perim_enter_by_mh(dsp->ds_mh, (mac_perim_handle_t *)data); |
| 1343 | return (0); |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 1344 | |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 1345 | case DLD_DISABLE: |
| 1346 | mac_perim_exit((mac_perim_handle_t)data); |
| 1347 | return (0); |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 1348 | |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 1349 | case DLD_QUERY: |
| 1350 | return (mac_perim_held(dsp->ds_mh)); |
krgopi | 4b46d1e | 2005-12-23 10:29:12 -0800 | [diff] [blame] | 1351 | } |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 1352 | return (0); |
| 1353 | } |
| 1354 | |
| 1355 | static int |
| 1356 | dld_capab_direct(dld_str_t *dsp, void *data, uint_t flags) |
| 1357 | { |
| 1358 | dld_capab_direct_t *direct = data; |
| 1359 | |
| 1360 | ASSERT(MAC_PERIM_HELD(dsp->ds_mh)); |
| 1361 | |
| 1362 | switch (flags) { |
| 1363 | case DLD_ENABLE: |
| 1364 | dls_rx_set(dsp, (dls_rx_t)direct->di_rx_cf, |
| 1365 | direct->di_rx_ch); |
Venugopal Iyer | ae6aa22 | 2009-02-17 01:31:30 -0800 | [diff] [blame] | 1366 | |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 1367 | direct->di_tx_df = (uintptr_t)str_mdata_fastpath_put; |
| 1368 | direct->di_tx_dh = dsp; |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 1369 | direct->di_tx_cb_df = (uintptr_t)mac_client_tx_notify; |
| 1370 | direct->di_tx_cb_dh = dsp->ds_mch; |
Venugopal Iyer | ae6aa22 | 2009-02-17 01:31:30 -0800 | [diff] [blame] | 1371 | direct->di_tx_fctl_df = (uintptr_t)mac_tx_is_flow_blocked; |
| 1372 | direct->di_tx_fctl_dh = dsp->ds_mch; |
| 1373 | |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 1374 | dsp->ds_direct = B_TRUE; |
| 1375 | |
| 1376 | return (0); |
| 1377 | |
| 1378 | case DLD_DISABLE: |
| 1379 | dls_rx_set(dsp, (dsp->ds_mode == DLD_FASTPATH) ? |
| 1380 | dld_str_rx_fastpath : dld_str_rx_unitdata, (void *)dsp); |
| 1381 | dsp->ds_direct = B_FALSE; |
| 1382 | |
| 1383 | return (0); |
| 1384 | } |
| 1385 | return (ENOTSUP); |
| 1386 | } |
| 1387 | |
| 1388 | /* |
Ryan Zezeski | 84de666 | 2020-01-21 12:21:56 -0700 | [diff] [blame] | 1389 | * This function is misnamed. All polling and fanouts are run out of |
| 1390 | * the lower MAC for VNICs and out of the MAC for NICs. The |
| 1391 | * availability of Rx rings and promiscous mode is taken care of |
| 1392 | * between the soft ring set (mac_srs), the Rx ring, and the SW |
| 1393 | * classifier. Fanout, if necessary, is done by the soft rings that |
| 1394 | * are part of the SRS. By default the SRS divvies up the packets |
| 1395 | * based on protocol: TCP, UDP, or Other (OTH). |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 1396 | * |
Ryan Zezeski | 84de666 | 2020-01-21 12:21:56 -0700 | [diff] [blame] | 1397 | * The SRS (or its associated soft rings) always store the ill_rx_ring |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 1398 | * (the cookie returned when they registered with IP during plumb) as their |
| 1399 | * 2nd argument which is passed up as mac_resource_handle_t. The upcall |
| 1400 | * function and 1st argument is what the caller registered when they |
| 1401 | * called mac_rx_classify_flow_add() to register the flow. For VNIC, |
| 1402 | * the function is vnic_rx and argument is vnic_t. For regular NIC |
| 1403 | * case, it mac_rx_default and mac_handle_t. As explained above, the |
Ryan Zezeski | 84de666 | 2020-01-21 12:21:56 -0700 | [diff] [blame] | 1404 | * SRS (or its soft ring) will add the ill_rx_ring (mac_resource_handle_t) |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 1405 | * from its stored 2nd argument. |
| 1406 | */ |
| 1407 | static int |
| 1408 | dld_capab_poll_enable(dld_str_t *dsp, dld_capab_poll_t *poll) |
| 1409 | { |
| 1410 | if (dsp->ds_polling) |
| 1411 | return (EINVAL); |
| 1412 | |
| 1413 | if ((dld_opt & DLD_OPT_NO_POLL) != 0 || dsp->ds_mode == DLD_RAW) |
| 1414 | return (ENOTSUP); |
| 1415 | |
| 1416 | /* |
Ryan Zezeski | 84de666 | 2020-01-21 12:21:56 -0700 | [diff] [blame] | 1417 | * Enable client polling if and only if DLS bypass is |
| 1418 | * possible. Some traffic requires DLS processing in the Rx |
| 1419 | * data path. In such a case we can neither allow the client |
| 1420 | * (IP) to directly poll the soft ring (since DLS processing |
| 1421 | * hasn't been done) nor can we allow DLS bypass. |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 1422 | */ |
| 1423 | if (!mac_rx_bypass_set(dsp->ds_mch, dsp->ds_rx, dsp->ds_rx_arg)) |
| 1424 | return (ENOTSUP); |
| 1425 | |
| 1426 | /* |
| 1427 | * Register soft ring resources. This will come in handy later if |
| 1428 | * the user decides to modify CPU bindings to use more CPUs for the |
| 1429 | * device in which case we will switch to fanout using soft rings. |
| 1430 | */ |
| 1431 | mac_resource_set_common(dsp->ds_mch, |
| 1432 | (mac_resource_add_t)poll->poll_ring_add_cf, |
| 1433 | (mac_resource_remove_t)poll->poll_ring_remove_cf, |
| 1434 | (mac_resource_quiesce_t)poll->poll_ring_quiesce_cf, |
| 1435 | (mac_resource_restart_t)poll->poll_ring_restart_cf, |
| 1436 | (mac_resource_bind_t)poll->poll_ring_bind_cf, |
| 1437 | poll->poll_ring_ch); |
| 1438 | |
| 1439 | mac_client_poll_enable(dsp->ds_mch); |
| 1440 | |
| 1441 | dsp->ds_polling = B_TRUE; |
| 1442 | return (0); |
| 1443 | } |
| 1444 | |
| 1445 | /* ARGSUSED */ |
| 1446 | static int |
| 1447 | dld_capab_poll_disable(dld_str_t *dsp, dld_capab_poll_t *poll) |
| 1448 | { |
| 1449 | if (!dsp->ds_polling) |
| 1450 | return (EINVAL); |
| 1451 | |
| 1452 | mac_client_poll_disable(dsp->ds_mch); |
| 1453 | mac_resource_set(dsp->ds_mch, NULL, NULL); |
| 1454 | |
| 1455 | dsp->ds_polling = B_FALSE; |
| 1456 | return (0); |
| 1457 | } |
| 1458 | |
| 1459 | static int |
| 1460 | dld_capab_poll(dld_str_t *dsp, void *data, uint_t flags) |
| 1461 | { |
| 1462 | dld_capab_poll_t *poll = data; |
| 1463 | |
| 1464 | ASSERT(MAC_PERIM_HELD(dsp->ds_mh)); |
| 1465 | |
| 1466 | switch (flags) { |
| 1467 | case DLD_ENABLE: |
| 1468 | return (dld_capab_poll_enable(dsp, poll)); |
| 1469 | case DLD_DISABLE: |
| 1470 | return (dld_capab_poll_disable(dsp, poll)); |
| 1471 | } |
| 1472 | return (ENOTSUP); |
| 1473 | } |
| 1474 | |
| 1475 | static int |
| 1476 | dld_capab_lso(dld_str_t *dsp, void *data, uint_t flags) |
| 1477 | { |
| 1478 | dld_capab_lso_t *lso = data; |
| 1479 | |
| 1480 | ASSERT(MAC_PERIM_HELD(dsp->ds_mh)); |
| 1481 | |
| 1482 | switch (flags) { |
| 1483 | case DLD_ENABLE: { |
| 1484 | mac_capab_lso_t mac_lso; |
| 1485 | |
| 1486 | /* |
| 1487 | * Check if LSO is supported on this MAC & enable LSO |
| 1488 | * accordingly. |
| 1489 | */ |
| 1490 | if (mac_capab_get(dsp->ds_mh, MAC_CAPAB_LSO, &mac_lso)) { |
Robert Mustacchi | 62366fb | 2020-04-01 15:30:20 +0000 | [diff] [blame] | 1491 | lso->lso_max_tcpv4 = mac_lso.lso_basic_tcp_ipv4.lso_max; |
| 1492 | lso->lso_max_tcpv6 = mac_lso.lso_basic_tcp_ipv6.lso_max; |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 1493 | lso->lso_flags = 0; |
| 1494 | /* translate the flag for mac clients */ |
| 1495 | if ((mac_lso.lso_flags & LSO_TX_BASIC_TCP_IPV4) != 0) |
Erik Nordmark | bd670b3 | 2009-11-11 11:49:49 -0800 | [diff] [blame] | 1496 | lso->lso_flags |= DLD_LSO_BASIC_TCP_IPV4; |
Robert Mustacchi | 62366fb | 2020-04-01 15:30:20 +0000 | [diff] [blame] | 1497 | if ((mac_lso.lso_flags & LSO_TX_BASIC_TCP_IPV6) != 0) |
| 1498 | lso->lso_flags |= DLD_LSO_BASIC_TCP_IPV6; |
| 1499 | dsp->ds_lso = lso->lso_flags != 0; |
| 1500 | /* |
| 1501 | * DLS uses this to try and make sure that a raw ioctl |
| 1502 | * doesn't send too much data, but doesn't currently |
| 1503 | * check the actual SAP that is sending this (or that |
| 1504 | * it's TCP). So for now, just use the max value here. |
| 1505 | */ |
| 1506 | dsp->ds_lso_max = MAX(lso->lso_max_tcpv4, |
| 1507 | lso->lso_max_tcpv6); |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 1508 | } else { |
| 1509 | dsp->ds_lso = B_FALSE; |
| 1510 | dsp->ds_lso_max = 0; |
| 1511 | return (ENOTSUP); |
| 1512 | } |
| 1513 | return (0); |
| 1514 | } |
| 1515 | case DLD_DISABLE: { |
| 1516 | dsp->ds_lso = B_FALSE; |
| 1517 | dsp->ds_lso_max = 0; |
| 1518 | return (0); |
| 1519 | } |
| 1520 | } |
| 1521 | return (ENOTSUP); |
| 1522 | } |
| 1523 | |
| 1524 | static int |
| 1525 | dld_capab(dld_str_t *dsp, uint_t type, void *data, uint_t flags) |
| 1526 | { |
| 1527 | int err; |
| 1528 | |
| 1529 | /* |
| 1530 | * Don't enable direct callback capabilities unless the caller is |
| 1531 | * the IP client. When a module is inserted in a stream (_I_INSERT) |
| 1532 | * the stack initiates capability disable, but due to races, the |
| 1533 | * module insertion may complete before the capability disable |
| 1534 | * completes. So we limit the check to DLD_ENABLE case. |
| 1535 | */ |
| 1536 | if ((flags == DLD_ENABLE && type != DLD_CAPAB_PERIM) && |
Robert Mustacchi | 62366fb | 2020-04-01 15:30:20 +0000 | [diff] [blame] | 1537 | (!(dsp->ds_sap == ETHERTYPE_IP || dsp->ds_sap == ETHERTYPE_IPV6) || |
| 8d4cf8d | 2009-11-09 20:01:32 -0800 | [diff] [blame] | 1538 | !check_mod_above(dsp->ds_rq, "ip"))) { |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 1539 | return (ENOTSUP); |
| 1540 | } |
| 1541 | |
| 1542 | switch (type) { |
| 1543 | case DLD_CAPAB_DIRECT: |
Robert Mustacchi | 62366fb | 2020-04-01 15:30:20 +0000 | [diff] [blame] | 1544 | if (dsp->ds_sap == ETHERTYPE_IPV6) { |
| 1545 | err = ENOTSUP; |
| 1546 | break; |
| 1547 | } |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 1548 | err = dld_capab_direct(dsp, data, flags); |
| 1549 | break; |
| 1550 | |
| 1551 | case DLD_CAPAB_POLL: |
Robert Mustacchi | 62366fb | 2020-04-01 15:30:20 +0000 | [diff] [blame] | 1552 | if (dsp->ds_sap == ETHERTYPE_IPV6) { |
| 1553 | err = ENOTSUP; |
| 1554 | break; |
| 1555 | } |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 1556 | err = dld_capab_poll(dsp, data, flags); |
| 1557 | break; |
| 1558 | |
| 1559 | case DLD_CAPAB_PERIM: |
| 1560 | err = dld_capab_perim(dsp, data, flags); |
| 1561 | break; |
| 1562 | |
| 1563 | case DLD_CAPAB_LSO: |
| 1564 | err = dld_capab_lso(dsp, data, flags); |
| 1565 | break; |
| 1566 | |
| 1567 | default: |
| 1568 | err = ENOTSUP; |
| 1569 | break; |
| 1570 | } |
| 1571 | |
| 1572 | return (err); |
krgopi | 4b46d1e | 2005-12-23 10:29:12 -0800 | [diff] [blame] | 1573 | } |
| 1574 | |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 1575 | /* |
| 1576 | * DL_CAPABILITY_ACK/DL_ERROR_ACK |
| 1577 | */ |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 1578 | static void |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 1579 | proto_capability_advertise(dld_str_t *dsp, mblk_t *mp) |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 1580 | { |
| 1581 | dl_capability_ack_t *dlap; |
| 1582 | dl_capability_sub_t *dlsp; |
| 1583 | size_t subsize; |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 1584 | dl_capab_dld_t dld; |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 1585 | dl_capab_hcksum_t hcksum; |
| 1586 | dl_capab_zerocopy_t zcopy; |
Cathy Zhou | 1cb875a | 2009-11-17 09:17:48 -0800 | [diff] [blame] | 1587 | dl_capab_vrrp_t vrrp; |
| 1588 | mac_capab_vrrp_t vrrp_capab; |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 1589 | uint8_t *ptr; |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 1590 | queue_t *q = dsp->ds_wq; |
| 1591 | mblk_t *mp1; |
yz147064 | d62bc4b | 2008-01-23 18:09:15 -0800 | [diff] [blame] | 1592 | boolean_t hcksum_capable = B_FALSE; |
| 1593 | boolean_t zcopy_capable = B_FALSE; |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 1594 | boolean_t dld_capable = B_FALSE; |
Cathy Zhou | 1cb875a | 2009-11-17 09:17:48 -0800 | [diff] [blame] | 1595 | boolean_t vrrp_capable = B_FALSE; |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 1596 | |
| 1597 | /* |
| 1598 | * Initially assume no capabilities. |
| 1599 | */ |
| 1600 | subsize = 0; |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 1601 | |
| 1602 | /* |
Cathy Zhou | 9056fce | 2010-05-06 19:01:43 -0400 | [diff] [blame] | 1603 | * Check if checksum offload is supported on this MAC. |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 1604 | */ |
yz147064 | d62bc4b | 2008-01-23 18:09:15 -0800 | [diff] [blame] | 1605 | bzero(&hcksum, sizeof (dl_capab_hcksum_t)); |
Cathy Zhou | 9056fce | 2010-05-06 19:01:43 -0400 | [diff] [blame] | 1606 | if (mac_capab_get(dsp->ds_mh, MAC_CAPAB_HCKSUM, |
seb | ba2e444 | 2006-06-30 12:39:57 -0700 | [diff] [blame] | 1607 | &hcksum.hcksum_txflags)) { |
yz147064 | d62bc4b | 2008-01-23 18:09:15 -0800 | [diff] [blame] | 1608 | if (hcksum.hcksum_txflags != 0) { |
| 1609 | hcksum_capable = B_TRUE; |
| 1610 | subsize += sizeof (dl_capability_sub_t) + |
| 1611 | sizeof (dl_capab_hcksum_t); |
| 1612 | } |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 1613 | } |
| 1614 | |
| 1615 | /* |
yz147064 | d62bc4b | 2008-01-23 18:09:15 -0800 | [diff] [blame] | 1616 | * Check if zerocopy is supported on this interface. |
| 1617 | * If advertising DL_CAPAB_ZEROCOPY has not been explicitly disabled |
| 1618 | * then reserve space for that capability. |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 1619 | */ |
yz147064 | d62bc4b | 2008-01-23 18:09:15 -0800 | [diff] [blame] | 1620 | if (!mac_capab_get(dsp->ds_mh, MAC_CAPAB_NO_ZCOPY, NULL) && |
| 1621 | !(dld_opt & DLD_OPT_NO_ZEROCOPY)) { |
| 1622 | zcopy_capable = B_TRUE; |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 1623 | subsize += sizeof (dl_capability_sub_t) + |
| 1624 | sizeof (dl_capab_zerocopy_t); |
| 1625 | } |
| 1626 | |
| 1627 | /* |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 1628 | * Direct capability negotiation interface between IP and DLD |
| 1629 | */ |
Robert Mustacchi | 62366fb | 2020-04-01 15:30:20 +0000 | [diff] [blame] | 1630 | if ((dsp->ds_sap == ETHERTYPE_IP || dsp->ds_sap == ETHERTYPE_IPV6) && |
| 1631 | check_mod_above(dsp->ds_rq, "ip")) { |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 1632 | dld_capable = B_TRUE; |
| 1633 | subsize += sizeof (dl_capability_sub_t) + |
| 1634 | sizeof (dl_capab_dld_t); |
| 1635 | } |
| 1636 | |
| 1637 | /* |
Cathy Zhou | 1cb875a | 2009-11-17 09:17:48 -0800 | [diff] [blame] | 1638 | * Check if vrrp is supported on this interface. If so, reserve |
| 1639 | * space for that capability. |
| 1640 | */ |
| 1641 | if (mac_capab_get(dsp->ds_mh, MAC_CAPAB_VRRP, &vrrp_capab)) { |
| 1642 | vrrp_capable = B_TRUE; |
| 1643 | subsize += sizeof (dl_capability_sub_t) + |
| 1644 | sizeof (dl_capab_vrrp_t); |
| 1645 | } |
| 1646 | |
| 1647 | /* |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 1648 | * If there are no capabilities to advertise or if we |
| 1649 | * can't allocate a response, send a DL_ERROR_ACK. |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 1650 | */ |
krgopi | 4b46d1e | 2005-12-23 10:29:12 -0800 | [diff] [blame] | 1651 | if ((mp1 = reallocb(mp, |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 1652 | sizeof (dl_capability_ack_t) + subsize, 0)) == NULL) { |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 1653 | dlerrorack(q, mp, DL_CAPABILITY_REQ, DL_NOTSUPPORTED, 0); |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 1654 | return; |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 1655 | } |
| 1656 | |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 1657 | mp = mp1; |
| 1658 | DB_TYPE(mp) = M_PROTO; |
| 1659 | mp->b_wptr = mp->b_rptr + sizeof (dl_capability_ack_t) + subsize; |
| 1660 | bzero(mp->b_rptr, MBLKL(mp)); |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 1661 | dlap = (dl_capability_ack_t *)mp->b_rptr; |
| 1662 | dlap->dl_primitive = DL_CAPABILITY_ACK; |
| 1663 | dlap->dl_sub_offset = sizeof (dl_capability_ack_t); |
| 1664 | dlap->dl_sub_length = subsize; |
| 1665 | ptr = (uint8_t *)&dlap[1]; |
| 1666 | |
| 1667 | /* |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 1668 | * TCP/IP checksum offload. |
| 1669 | */ |
yz147064 | d62bc4b | 2008-01-23 18:09:15 -0800 | [diff] [blame] | 1670 | if (hcksum_capable) { |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 1671 | dlsp = (dl_capability_sub_t *)ptr; |
| 1672 | |
| 1673 | dlsp->dl_cap = DL_CAPAB_HCKSUM; |
| 1674 | dlsp->dl_length = sizeof (dl_capab_hcksum_t); |
| 1675 | ptr += sizeof (dl_capability_sub_t); |
| 1676 | |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 1677 | hcksum.hcksum_version = HCKSUM_VERSION_1; |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 1678 | dlcapabsetqid(&(hcksum.hcksum_mid), dsp->ds_rq); |
| 1679 | bcopy(&hcksum, ptr, sizeof (dl_capab_hcksum_t)); |
| 1680 | ptr += sizeof (dl_capab_hcksum_t); |
| 1681 | } |
| 1682 | |
| 1683 | /* |
| 1684 | * Zero copy |
| 1685 | */ |
yz147064 | d62bc4b | 2008-01-23 18:09:15 -0800 | [diff] [blame] | 1686 | if (zcopy_capable) { |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 1687 | dlsp = (dl_capability_sub_t *)ptr; |
| 1688 | |
| 1689 | dlsp->dl_cap = DL_CAPAB_ZEROCOPY; |
| 1690 | dlsp->dl_length = sizeof (dl_capab_zerocopy_t); |
| 1691 | ptr += sizeof (dl_capability_sub_t); |
| 1692 | |
| 1693 | bzero(&zcopy, sizeof (dl_capab_zerocopy_t)); |
| 1694 | zcopy.zerocopy_version = ZEROCOPY_VERSION_1; |
| 1695 | zcopy.zerocopy_flags = DL_CAPAB_VMSAFE_MEM; |
| 1696 | |
| 1697 | dlcapabsetqid(&(zcopy.zerocopy_mid), dsp->ds_rq); |
| 1698 | bcopy(&zcopy, ptr, sizeof (dl_capab_zerocopy_t)); |
| 1699 | ptr += sizeof (dl_capab_zerocopy_t); |
| 1700 | } |
| 1701 | |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 1702 | /* |
Cathy Zhou | 1cb875a | 2009-11-17 09:17:48 -0800 | [diff] [blame] | 1703 | * VRRP capability negotiation |
| 1704 | */ |
| 1705 | if (vrrp_capable) { |
| 1706 | dlsp = (dl_capability_sub_t *)ptr; |
| 1707 | dlsp->dl_cap = DL_CAPAB_VRRP; |
| 1708 | dlsp->dl_length = sizeof (dl_capab_vrrp_t); |
| 1709 | ptr += sizeof (dl_capability_sub_t); |
| 1710 | |
| 1711 | bzero(&vrrp, sizeof (dl_capab_vrrp_t)); |
| 1712 | vrrp.vrrp_af = vrrp_capab.mcv_af; |
| 1713 | bcopy(&vrrp, ptr, sizeof (dl_capab_vrrp_t)); |
| 1714 | ptr += sizeof (dl_capab_vrrp_t); |
| 1715 | } |
| 1716 | |
| 1717 | /* |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 1718 | * Direct capability negotiation interface between IP and DLD. |
| 1719 | * Refer to dld.h for details. |
| 1720 | */ |
| 1721 | if (dld_capable) { |
| 1722 | dlsp = (dl_capability_sub_t *)ptr; |
| 1723 | dlsp->dl_cap = DL_CAPAB_DLD; |
| 1724 | dlsp->dl_length = sizeof (dl_capab_dld_t); |
| 1725 | ptr += sizeof (dl_capability_sub_t); |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 1726 | |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 1727 | bzero(&dld, sizeof (dl_capab_dld_t)); |
| 1728 | dld.dld_version = DLD_CURRENT_VERSION; |
| 1729 | dld.dld_capab = (uintptr_t)dld_capab; |
| 1730 | dld.dld_capab_handle = (uintptr_t)dsp; |
| 1731 | |
| 1732 | dlcapabsetqid(&(dld.dld_mid), dsp->ds_rq); |
| 1733 | bcopy(&dld, ptr, sizeof (dl_capab_dld_t)); |
| 1734 | ptr += sizeof (dl_capab_dld_t); |
| 1735 | } |
| 1736 | |
| 1737 | ASSERT(ptr == mp->b_rptr + sizeof (dl_capability_ack_t) + subsize); |
ericheng | 210db22 | 2005-08-01 12:58:24 -0700 | [diff] [blame] | 1738 | qreply(q, mp); |
stevel@tonic-gate | 7c478bd | 2005-06-14 00:00:00 -0700 | [diff] [blame] | 1739 | } |
yz147064 | 8fb46f2 | 2007-09-21 07:56:36 -0700 | [diff] [blame] | 1740 | |
| 1741 | /* |
| 1742 | * Disable any enabled capabilities. |
| 1743 | */ |
| 1744 | void |
| 1745 | dld_capabilities_disable(dld_str_t *dsp) |
| 1746 | { |
| 1747 | if (dsp->ds_polling) |
Eric Cheng | da14ceb | 2008-12-04 18:16:10 -0800 | [diff] [blame] | 1748 | (void) dld_capab_poll_disable(dsp, NULL); |
yz147064 | 8fb46f2 | 2007-09-21 07:56:36 -0700 | [diff] [blame] | 1749 | } |