Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1 | /* |
Kiran Kumar Lokere | 25531c4 | 2018-09-19 13:48:48 -0700 | [diff] [blame] | 2 | * Copyright (c) 2017-2019 The Linux Foundation. All rights reserved. |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 3 | * |
| 4 | * Permission to use, copy, modify, and/or distribute this software for |
| 5 | * any purpose with or without fee is hereby granted, provided that the |
| 6 | * above copyright notice and this permission notice appear in all |
| 7 | * copies. |
| 8 | * |
| 9 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL |
| 10 | * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED |
| 11 | * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE |
| 12 | * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL |
| 13 | * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR |
| 14 | * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
| 15 | * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
| 16 | * PERFORMANCE OF THIS SOFTWARE. |
| 17 | */ |
| 18 | |
| 19 | /** |
| 20 | * DOC: Public APIs for crypto service |
| 21 | */ |
Kiran Kumar Lokere | 605e7a7 | 2018-08-30 16:33:26 -0700 | [diff] [blame] | 22 | |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 23 | #include <qdf_types.h> |
| 24 | #include <wlan_cmn.h> |
| 25 | #include <wlan_objmgr_cmn.h> |
| 26 | #include <wlan_objmgr_global_obj.h> |
| 27 | #include <wlan_objmgr_psoc_obj.h> |
| 28 | #include <wlan_objmgr_pdev_obj.h> |
| 29 | #include <wlan_objmgr_vdev_obj.h> |
| 30 | #include <wlan_objmgr_peer_obj.h> |
Kiran Kumar Lokere | 605e7a7 | 2018-08-30 16:33:26 -0700 | [diff] [blame] | 31 | #include <wlan_utility.h> |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 32 | |
| 33 | #include "wlan_crypto_global_def.h" |
| 34 | #include "wlan_crypto_global_api.h" |
| 35 | #include "wlan_crypto_def_i.h" |
| 36 | #include "wlan_crypto_param_handling_i.h" |
| 37 | #include "wlan_crypto_obj_mgr_i.h" |
Sathish Kumar | c6cd8dc | 2017-05-31 19:01:08 +0530 | [diff] [blame] | 38 | #include <qdf_module.h> |
| 39 | |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 40 | const struct wlan_crypto_cipher *wlan_crypto_cipher_ops[WLAN_CRYPTO_CIPHER_MAX]; |
| 41 | |
Ashok Kumar Ponnaiah | d652f8f | 2018-08-24 10:09:32 +0530 | [diff] [blame] | 42 | #define WPA_ADD_CIPHER_TO_SUITE(frm, cipher) \ |
| 43 | WLAN_CRYPTO_ADDSELECTOR(frm,\ |
| 44 | wlan_crypto_wpa_cipher_to_suite(cipher)) |
| 45 | |
| 46 | #define RSN_ADD_CIPHER_TO_SUITE(frm, cipher) \ |
| 47 | WLAN_CRYPTO_ADDSELECTOR(frm,\ |
| 48 | wlan_crypto_rsn_cipher_to_suite(cipher)) |
| 49 | |
Ashok Kumar Ponnaiah | 6e0a63c | 2018-08-24 10:16:05 +0530 | [diff] [blame] | 50 | #define WPA_ADD_KEYMGMT_TO_SUITE(frm, keymgmt)\ |
| 51 | WLAN_CRYPTO_ADDSELECTOR(frm,\ |
| 52 | wlan_crypto_wpa_keymgmt_to_suite(keymgmt)) |
| 53 | |
| 54 | #define RSN_ADD_KEYMGMT_TO_SUITE(frm, keymgmt)\ |
| 55 | WLAN_CRYPTO_ADDSELECTOR(frm,\ |
| 56 | wlan_crypto_rsn_keymgmt_to_suite(keymgmt)) |
| 57 | |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 58 | /** |
| 59 | * wlan_crypto_vdev_get_crypto_params - called by mlme to get crypto params |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 60 | * @vdev:vdev |
| 61 | * |
| 62 | * This function gets called by mlme to get crypto params |
| 63 | * |
| 64 | * Return: wlan_crypto_params or NULL in case of failure |
| 65 | */ |
| 66 | static struct wlan_crypto_params *wlan_crypto_vdev_get_comp_params( |
| 67 | struct wlan_objmgr_vdev *vdev, |
| 68 | struct wlan_crypto_comp_priv **crypto_priv){ |
| 69 | *crypto_priv = (struct wlan_crypto_comp_priv *) |
| 70 | wlan_get_vdev_crypto_obj(vdev); |
Jeff Johnson | f3a2b89 | 2019-03-20 12:07:03 -0700 | [diff] [blame] | 71 | if (!(*crypto_priv)) { |
Vignesh Mohan | 9d1c7a2 | 2018-08-20 16:35:00 +0530 | [diff] [blame] | 72 | crypto_err("crypto_priv NULL"); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 73 | return NULL; |
| 74 | } |
| 75 | |
| 76 | return &((*crypto_priv)->crypto_params); |
| 77 | } |
| 78 | |
| 79 | /** |
| 80 | * wlan_crypto_peer_get_crypto_params - called by mlme to get crypto params |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 81 | * @peer:peer |
| 82 | * |
| 83 | * This function gets called by mlme to get crypto params |
| 84 | * |
| 85 | * Return: wlan_crypto_params or NULL in case of failure |
| 86 | */ |
| 87 | static struct wlan_crypto_params *wlan_crypto_peer_get_comp_params( |
| 88 | struct wlan_objmgr_peer *peer, |
| 89 | struct wlan_crypto_comp_priv **crypto_priv){ |
| 90 | |
| 91 | *crypto_priv = (struct wlan_crypto_comp_priv *) |
| 92 | wlan_get_peer_crypto_obj(peer); |
Jeff Johnson | f3a2b89 | 2019-03-20 12:07:03 -0700 | [diff] [blame] | 93 | if (!*crypto_priv) { |
Vignesh Mohan | 9d1c7a2 | 2018-08-20 16:35:00 +0530 | [diff] [blame] | 94 | crypto_err("crypto_priv NULL"); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 95 | return NULL; |
| 96 | } |
| 97 | |
| 98 | return &((*crypto_priv)->crypto_params); |
| 99 | } |
| 100 | |
Ashok Ponnaiah | 13e9f9b | 2017-03-14 04:45:29 +0530 | [diff] [blame] | 101 | static QDF_STATUS wlan_crypto_set_igtk_key(struct wlan_crypto_key *key) |
| 102 | { |
| 103 | return QDF_STATUS_SUCCESS; |
| 104 | } |
Disha Das | 6419ff1 | 2018-02-02 10:21:55 +0530 | [diff] [blame] | 105 | |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 106 | /** |
| 107 | * wlan_crypto_set_param - called by ucfg to set crypto param |
Disha Das | 6419ff1 | 2018-02-02 10:21:55 +0530 | [diff] [blame] | 108 | * @crypto_params: crypto_params |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 109 | * @param: param to be set. |
| 110 | * @value: value |
| 111 | * |
| 112 | * This function gets called from ucfg to set param |
| 113 | * |
| 114 | * Return: QDF_STATUS_SUCCESS - in case of success |
| 115 | */ |
Disha Das | 6419ff1 | 2018-02-02 10:21:55 +0530 | [diff] [blame] | 116 | static QDF_STATUS wlan_crypto_set_param(struct wlan_crypto_params *crypto_params, |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 117 | wlan_crypto_param_type param, |
| 118 | uint32_t value){ |
| 119 | QDF_STATUS status = QDF_STATUS_E_INVAL; |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 120 | |
Kiran Kumar Lokere | 605e7a7 | 2018-08-30 16:33:26 -0700 | [diff] [blame] | 121 | crypto_debug("param %d, value %d", param, value); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 122 | switch (param) { |
| 123 | case WLAN_CRYPTO_PARAM_AUTH_MODE: |
| 124 | status = wlan_crypto_set_authmode(crypto_params, value); |
| 125 | break; |
| 126 | case WLAN_CRYPTO_PARAM_UCAST_CIPHER: |
| 127 | status = wlan_crypto_set_ucastciphers(crypto_params, value); |
| 128 | break; |
| 129 | case WLAN_CRYPTO_PARAM_MCAST_CIPHER: |
| 130 | status = wlan_crypto_set_mcastcipher(crypto_params, value); |
| 131 | break; |
| 132 | case WLAN_CRYPTO_PARAM_MGMT_CIPHER: |
| 133 | status = wlan_crypto_set_mgmtcipher(crypto_params, value); |
| 134 | break; |
| 135 | case WLAN_CRYPTO_PARAM_CIPHER_CAP: |
| 136 | status = wlan_crypto_set_cipher_cap(crypto_params, value); |
| 137 | break; |
| 138 | case WLAN_CRYPTO_PARAM_RSN_CAP: |
| 139 | status = wlan_crypto_set_rsn_cap(crypto_params, value); |
| 140 | break; |
| 141 | case WLAN_CRYPTO_PARAM_KEY_MGMT: |
| 142 | status = wlan_crypto_set_key_mgmt(crypto_params, value); |
| 143 | break; |
| 144 | default: |
| 145 | status = QDF_STATUS_E_INVAL; |
| 146 | } |
Disha Das | 6419ff1 | 2018-02-02 10:21:55 +0530 | [diff] [blame] | 147 | return status; |
| 148 | } |
| 149 | |
| 150 | /** |
| 151 | * wlan_crypto_set_vdev_param - called by ucfg to set crypto param |
| 152 | * @vdev: vdev |
| 153 | * @param: param to be set. |
| 154 | * @value: value |
| 155 | * |
| 156 | * This function gets called from ucfg to set param |
| 157 | * |
| 158 | * Return: QDF_STATUS_SUCCESS - in case of success |
| 159 | */ |
| 160 | QDF_STATUS wlan_crypto_set_vdev_param(struct wlan_objmgr_vdev *vdev, |
| 161 | wlan_crypto_param_type param, |
| 162 | uint32_t value){ |
| 163 | QDF_STATUS status = QDF_STATUS_E_INVAL; |
| 164 | struct wlan_crypto_comp_priv *crypto_priv; |
| 165 | struct wlan_crypto_params *crypto_params; |
| 166 | |
| 167 | crypto_priv = (struct wlan_crypto_comp_priv *) |
| 168 | wlan_get_vdev_crypto_obj(vdev); |
| 169 | |
Jeff Johnson | f3a2b89 | 2019-03-20 12:07:03 -0700 | [diff] [blame] | 170 | if (!crypto_priv) { |
Vignesh Mohan | 9d1c7a2 | 2018-08-20 16:35:00 +0530 | [diff] [blame] | 171 | crypto_err("crypto_priv NULL"); |
Disha Das | 6419ff1 | 2018-02-02 10:21:55 +0530 | [diff] [blame] | 172 | return QDF_STATUS_E_INVAL; |
| 173 | } |
| 174 | |
| 175 | crypto_params = &(crypto_priv->crypto_params); |
| 176 | |
| 177 | status = wlan_crypto_set_param(crypto_params, param, value); |
| 178 | |
| 179 | return status; |
| 180 | } |
| 181 | |
| 182 | /** |
| 183 | * wlan_crypto_set_param - called by ucfg to set crypto param |
| 184 | * |
| 185 | * @peer: peer |
| 186 | * @param: param to be set. |
| 187 | * @value: value |
| 188 | * |
| 189 | * This function gets called from ucfg to set param |
| 190 | * |
| 191 | * Return: QDF_STATUS_SUCCESS - in case of success |
| 192 | */ |
| 193 | QDF_STATUS wlan_crypto_set_peer_param(struct wlan_objmgr_peer *peer, |
| 194 | wlan_crypto_param_type param, |
| 195 | uint32_t value){ |
| 196 | QDF_STATUS status = QDF_STATUS_E_INVAL; |
| 197 | struct wlan_crypto_comp_priv *crypto_priv; |
| 198 | struct wlan_crypto_params *crypto_params; |
| 199 | |
| 200 | crypto_params = wlan_crypto_peer_get_comp_params(peer, |
| 201 | &crypto_priv); |
| 202 | |
Jeff Johnson | f3a2b89 | 2019-03-20 12:07:03 -0700 | [diff] [blame] | 203 | if (!crypto_priv) { |
Vignesh Mohan | 9d1c7a2 | 2018-08-20 16:35:00 +0530 | [diff] [blame] | 204 | crypto_err("crypto_priv NULL"); |
Disha Das | 6419ff1 | 2018-02-02 10:21:55 +0530 | [diff] [blame] | 205 | return QDF_STATUS_E_INVAL; |
| 206 | } |
| 207 | |
| 208 | crypto_params = &(crypto_priv->crypto_params); |
| 209 | |
| 210 | status = wlan_crypto_set_param(crypto_params, param, value); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 211 | |
| 212 | return status; |
| 213 | } |
| 214 | |
| 215 | /** |
Sathish Kumar | c6cd8dc | 2017-05-31 19:01:08 +0530 | [diff] [blame] | 216 | * wlan_crypto_get_param_value - called by crypto APIs to get value for param |
Sathish Kumar | c6cd8dc | 2017-05-31 19:01:08 +0530 | [diff] [blame] | 217 | * @param: Crypto param type |
| 218 | * @crypto_params: Crypto params struct |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 219 | * |
Sathish Kumar | c6cd8dc | 2017-05-31 19:01:08 +0530 | [diff] [blame] | 220 | * This function gets called from in-within crypto layer |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 221 | * |
| 222 | * Return: value or -1 for failure |
| 223 | */ |
Sathish Kumar | c6cd8dc | 2017-05-31 19:01:08 +0530 | [diff] [blame] | 224 | static int32_t wlan_crypto_get_param_value(wlan_crypto_param_type param, |
| 225 | struct wlan_crypto_params *crypto_params) |
| 226 | { |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 227 | int32_t value = -1; |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 228 | |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 229 | switch (param) { |
| 230 | case WLAN_CRYPTO_PARAM_AUTH_MODE: |
| 231 | value = wlan_crypto_get_authmode(crypto_params); |
| 232 | break; |
| 233 | case WLAN_CRYPTO_PARAM_UCAST_CIPHER: |
| 234 | value = wlan_crypto_get_ucastciphers(crypto_params); |
| 235 | break; |
| 236 | case WLAN_CRYPTO_PARAM_MCAST_CIPHER: |
| 237 | value = wlan_crypto_get_mcastcipher(crypto_params); |
| 238 | break; |
| 239 | case WLAN_CRYPTO_PARAM_MGMT_CIPHER: |
| 240 | value = wlan_crypto_get_mgmtciphers(crypto_params); |
| 241 | break; |
| 242 | case WLAN_CRYPTO_PARAM_CIPHER_CAP: |
| 243 | value = wlan_crypto_get_cipher_cap(crypto_params); |
| 244 | break; |
| 245 | case WLAN_CRYPTO_PARAM_RSN_CAP: |
| 246 | value = wlan_crypto_get_rsn_cap(crypto_params); |
| 247 | break; |
| 248 | case WLAN_CRYPTO_PARAM_KEY_MGMT: |
| 249 | value = wlan_crypto_get_key_mgmt(crypto_params); |
| 250 | break; |
| 251 | default: |
| 252 | value = QDF_STATUS_E_INVAL; |
| 253 | } |
| 254 | |
| 255 | return value; |
| 256 | } |
| 257 | |
Ashok Ponnaiah | f995360 | 2018-01-11 15:39:26 +0530 | [diff] [blame] | 258 | /** |
| 259 | * wlan_crypto_get_param - called to get value for param from vdev |
| 260 | * @vdev: vdev |
| 261 | * @param: Crypto param type |
| 262 | * |
| 263 | * This function gets called to get value for param from vdev |
| 264 | * |
| 265 | * Return: value or -1 for failure |
| 266 | */ |
Sathish Kumar | c6cd8dc | 2017-05-31 19:01:08 +0530 | [diff] [blame] | 267 | int32_t wlan_crypto_get_param(struct wlan_objmgr_vdev *vdev, |
| 268 | wlan_crypto_param_type param) |
| 269 | { |
| 270 | int32_t value = -1; |
| 271 | struct wlan_crypto_comp_priv *crypto_priv; |
| 272 | struct wlan_crypto_params *crypto_params; |
| 273 | crypto_priv = (struct wlan_crypto_comp_priv *) |
| 274 | wlan_get_vdev_crypto_obj(vdev); |
| 275 | |
Jeff Johnson | f3a2b89 | 2019-03-20 12:07:03 -0700 | [diff] [blame] | 276 | if (!crypto_priv) { |
Vignesh Mohan | 9d1c7a2 | 2018-08-20 16:35:00 +0530 | [diff] [blame] | 277 | crypto_err("crypto_priv NULL"); |
Sathish Kumar | c6cd8dc | 2017-05-31 19:01:08 +0530 | [diff] [blame] | 278 | return QDF_STATUS_E_INVAL; |
| 279 | } |
| 280 | |
| 281 | crypto_params = &(crypto_priv->crypto_params); |
| 282 | value = wlan_crypto_get_param_value(param, crypto_params); |
| 283 | |
| 284 | return value; |
| 285 | } |
Ashok Ponnaiah | f995360 | 2018-01-11 15:39:26 +0530 | [diff] [blame] | 286 | /** |
| 287 | * wlan_crypto_get_peer_param - called to get value for param from peer |
| 288 | * @peer: peer |
| 289 | * @param: Crypto param type |
| 290 | * |
| 291 | * This function gets called to get value for param from peer |
| 292 | * |
| 293 | * Return: value or -1 for failure |
| 294 | */ |
Sathish Kumar | c6cd8dc | 2017-05-31 19:01:08 +0530 | [diff] [blame] | 295 | int32_t wlan_crypto_get_peer_param(struct wlan_objmgr_peer *peer, |
| 296 | wlan_crypto_param_type param) |
| 297 | { |
| 298 | int32_t value = -1; |
| 299 | struct wlan_crypto_comp_priv *crypto_priv; |
| 300 | struct wlan_crypto_params *crypto_params; |
| 301 | |
| 302 | crypto_params = wlan_crypto_peer_get_comp_params(peer, |
| 303 | &crypto_priv); |
| 304 | |
Jeff Johnson | f3a2b89 | 2019-03-20 12:07:03 -0700 | [diff] [blame] | 305 | if (!crypto_params) { |
Vignesh Mohan | 9d1c7a2 | 2018-08-20 16:35:00 +0530 | [diff] [blame] | 306 | crypto_err("crypto_params NULL"); |
Sathish Kumar | c6cd8dc | 2017-05-31 19:01:08 +0530 | [diff] [blame] | 307 | return QDF_STATUS_E_INVAL; |
| 308 | } |
| 309 | value = wlan_crypto_get_param_value(param, crypto_params); |
| 310 | |
| 311 | return value; |
| 312 | } |
Ashok Ponnaiah | 455eb68 | 2018-03-19 10:33:22 +0530 | [diff] [blame] | 313 | qdf_export_symbol(wlan_crypto_get_peer_param); |
Ashok Kumar | 6f8b924 | 2018-12-10 12:26:24 +0530 | [diff] [blame] | 314 | |
| 315 | static |
| 316 | QDF_STATUS wlan_crypto_set_pmksa(struct wlan_crypto_params *crypto_params, |
| 317 | struct wlan_crypto_pmksa *pmksa) |
| 318 | { |
Ashok Kumar | 509aeeb | 2019-01-18 15:49:11 +0530 | [diff] [blame] | 319 | uint8_t i, first_available_slot = 0; |
Ashok Kumar | 1b91304 | 2019-02-06 09:44:44 +0530 | [diff] [blame] | 320 | bool slot_found = false; |
Ashok Kumar | 6f8b924 | 2018-12-10 12:26:24 +0530 | [diff] [blame] | 321 | |
| 322 | /* find the empty slot or slot with same bssid */ |
| 323 | for (i = 0; i < WLAN_CRYPTO_MAX_PMKID; i++) { |
| 324 | if (!crypto_params->pmksa[i]) { |
| 325 | if (!slot_found) { |
Ashok Kumar | 1b91304 | 2019-02-06 09:44:44 +0530 | [diff] [blame] | 326 | slot_found = true; |
Ashok Kumar | 6f8b924 | 2018-12-10 12:26:24 +0530 | [diff] [blame] | 327 | first_available_slot = i; |
| 328 | } |
| 329 | continue; |
| 330 | } |
| 331 | if (qdf_is_macaddr_equal(&pmksa->bssid, |
| 332 | &crypto_params->pmksa[i]->bssid)) { |
| 333 | /* free the current pmksa and use this slot */ |
Liangwei Dong | ca4abcf | 2019-03-20 04:06:54 -0400 | [diff] [blame] | 334 | qdf_mem_zero(crypto_params->pmksa[i], |
| 335 | sizeof(struct wlan_crypto_pmksa)); |
Ashok Kumar | 6f8b924 | 2018-12-10 12:26:24 +0530 | [diff] [blame] | 336 | qdf_mem_free(crypto_params->pmksa[i]); |
| 337 | crypto_params->pmksa[i] = pmksa; |
| 338 | return QDF_STATUS_SUCCESS; |
| 339 | } |
| 340 | } |
| 341 | |
| 342 | if (i == WLAN_CRYPTO_MAX_PMKID && !slot_found) { |
| 343 | crypto_err("no entry available for pmksa"); |
Ashok Kumar | 6f8b924 | 2018-12-10 12:26:24 +0530 | [diff] [blame] | 344 | return QDF_STATUS_E_INVAL; |
| 345 | } |
| 346 | crypto_params->pmksa[first_available_slot] = pmksa; |
| 347 | |
| 348 | return QDF_STATUS_SUCCESS; |
| 349 | } |
| 350 | |
| 351 | static |
| 352 | QDF_STATUS wlan_crypto_del_pmksa(struct wlan_crypto_params *crypto_params, |
| 353 | struct wlan_crypto_pmksa *pmksa) |
| 354 | { |
| 355 | uint8_t i; |
| 356 | |
| 357 | /* find slot with same bssid */ |
| 358 | for (i = 0; i < WLAN_CRYPTO_MAX_PMKID; i++) { |
| 359 | if (!crypto_params->pmksa[i]) |
| 360 | continue; |
| 361 | if (qdf_is_macaddr_equal(&pmksa->bssid, |
| 362 | &crypto_params->pmksa[i]->bssid)) { |
Liangwei Dong | ca4abcf | 2019-03-20 04:06:54 -0400 | [diff] [blame] | 363 | qdf_mem_zero(crypto_params->pmksa[i], |
| 364 | sizeof(struct wlan_crypto_pmksa)); |
Ashok Kumar | 6f8b924 | 2018-12-10 12:26:24 +0530 | [diff] [blame] | 365 | qdf_mem_free(crypto_params->pmksa[i]); |
| 366 | crypto_params->pmksa[i] = NULL; |
| 367 | return QDF_STATUS_SUCCESS; |
| 368 | } |
| 369 | } |
| 370 | |
| 371 | return QDF_STATUS_E_INVAL; |
| 372 | } |
| 373 | |
| 374 | QDF_STATUS wlan_crypto_pmksa_flush(struct wlan_crypto_params *crypto_params) |
| 375 | { |
| 376 | uint8_t i; |
| 377 | |
| 378 | for (i = 0; i < WLAN_CRYPTO_MAX_PMKID; i++) { |
| 379 | if (!crypto_params->pmksa[i]) |
| 380 | continue; |
Liangwei Dong | ca4abcf | 2019-03-20 04:06:54 -0400 | [diff] [blame] | 381 | qdf_mem_zero(crypto_params->pmksa[i], |
| 382 | sizeof(struct wlan_crypto_pmksa)); |
Ashok Kumar | 6f8b924 | 2018-12-10 12:26:24 +0530 | [diff] [blame] | 383 | qdf_mem_free(crypto_params->pmksa[i]); |
| 384 | crypto_params->pmksa[i] = NULL; |
| 385 | } |
| 386 | |
| 387 | return QDF_STATUS_SUCCESS; |
| 388 | } |
| 389 | |
| 390 | QDF_STATUS wlan_crypto_set_del_pmksa(struct wlan_objmgr_vdev *vdev, |
| 391 | struct wlan_crypto_pmksa *pmksa, |
| 392 | bool set) |
| 393 | { |
| 394 | QDF_STATUS status = QDF_STATUS_E_INVAL; |
| 395 | struct wlan_crypto_comp_priv *crypto_priv; |
| 396 | struct wlan_crypto_params *crypto_params; |
Min Liu | bc3bde3 | 2019-03-25 11:20:12 +0800 | [diff] [blame] | 397 | enum QDF_OPMODE op_mode; |
Ashok Kumar | 6f8b924 | 2018-12-10 12:26:24 +0530 | [diff] [blame] | 398 | |
Min Liu | bc3bde3 | 2019-03-25 11:20:12 +0800 | [diff] [blame] | 399 | op_mode = wlan_vdev_mlme_get_opmode(vdev); |
| 400 | |
| 401 | if (op_mode != QDF_STA_MODE && op_mode != QDF_SAP_MODE) |
Ashok Kumar | 6f8b924 | 2018-12-10 12:26:24 +0530 | [diff] [blame] | 402 | return QDF_STATUS_E_NOSUPPORT; |
| 403 | |
| 404 | if (!pmksa && set) { |
| 405 | crypto_err("pmksa is NULL for set operation"); |
| 406 | return QDF_STATUS_E_INVAL; |
| 407 | } |
| 408 | crypto_priv = (struct wlan_crypto_comp_priv *) |
| 409 | wlan_get_vdev_crypto_obj(vdev); |
| 410 | |
| 411 | if (!crypto_priv) { |
| 412 | crypto_err("crypto_priv NULL"); |
| 413 | return QDF_STATUS_E_INVAL; |
| 414 | } |
| 415 | |
| 416 | crypto_params = &crypto_priv->crypto_params; |
| 417 | if (set) { |
| 418 | status = wlan_crypto_set_pmksa(crypto_params, pmksa); |
| 419 | /* Set pmksa */ |
| 420 | } else { |
| 421 | /* del pmksa */ |
| 422 | if (!pmksa) |
| 423 | status = wlan_crypto_pmksa_flush(crypto_params); |
| 424 | else |
| 425 | status = wlan_crypto_del_pmksa(crypto_params, pmksa); |
| 426 | } |
| 427 | |
| 428 | return status; |
| 429 | } |
| 430 | |
Liangwei Dong | ca4abcf | 2019-03-20 04:06:54 -0400 | [diff] [blame] | 431 | struct wlan_crypto_pmksa * |
Ashok Kumar | 6f8b924 | 2018-12-10 12:26:24 +0530 | [diff] [blame] | 432 | wlan_crypto_get_pmksa(struct wlan_objmgr_vdev *vdev, struct qdf_mac_addr *bssid) |
| 433 | { |
| 434 | struct wlan_crypto_comp_priv *crypto_priv; |
| 435 | struct wlan_crypto_params *crypto_params; |
| 436 | uint8_t i; |
| 437 | |
| 438 | if (!bssid) { |
| 439 | crypto_err("bssid is NULL"); |
| 440 | return NULL; |
| 441 | } |
| 442 | crypto_priv = (struct wlan_crypto_comp_priv *) |
| 443 | wlan_get_vdev_crypto_obj(vdev); |
| 444 | |
| 445 | if (!crypto_priv) { |
| 446 | crypto_err("crypto_priv NULL"); |
| 447 | return NULL; |
| 448 | } |
| 449 | |
| 450 | crypto_params = &crypto_priv->crypto_params; |
| 451 | |
| 452 | for (i = 0; i < WLAN_CRYPTO_MAX_PMKID; i++) { |
| 453 | if (!crypto_params->pmksa[i]) |
| 454 | continue; |
| 455 | if (qdf_is_macaddr_equal(bssid, |
| 456 | &crypto_params->pmksa[i]->bssid)) { |
| 457 | return crypto_params->pmksa[i]; |
| 458 | } |
| 459 | } |
| 460 | |
| 461 | return NULL; |
| 462 | } |
Ashok Ponnaiah | f995360 | 2018-01-11 15:39:26 +0530 | [diff] [blame] | 463 | /** |
| 464 | * wlan_crypto_is_htallowed - called to check is HT allowed for cipher |
| 465 | * @vdev: vdev |
| 466 | * @peer: peer |
| 467 | * |
| 468 | * This function gets called to check is HT allowed for cipher. |
| 469 | * HT is not allowed for wep and tkip. |
| 470 | * |
| 471 | * Return: 0 - not allowed or 1 - allowed |
| 472 | */ |
Sathish Kumar | c6cd8dc | 2017-05-31 19:01:08 +0530 | [diff] [blame] | 473 | uint8_t wlan_crypto_is_htallowed(struct wlan_objmgr_vdev *vdev, |
| 474 | struct wlan_objmgr_peer *peer) |
| 475 | { |
| 476 | int32_t ucast_cipher; |
| 477 | |
| 478 | if (!(vdev || peer)) { |
Vignesh Mohan | 9d1c7a2 | 2018-08-20 16:35:00 +0530 | [diff] [blame] | 479 | crypto_err("Invalid params"); |
Sathish Kumar | c6cd8dc | 2017-05-31 19:01:08 +0530 | [diff] [blame] | 480 | return 0; |
| 481 | } |
| 482 | |
| 483 | if (vdev) |
| 484 | ucast_cipher = wlan_crypto_get_param(vdev, |
| 485 | WLAN_CRYPTO_PARAM_UCAST_CIPHER); |
| 486 | else |
| 487 | ucast_cipher = wlan_crypto_get_peer_param(peer, |
| 488 | WLAN_CRYPTO_PARAM_UCAST_CIPHER); |
| 489 | |
| 490 | return (ucast_cipher & (1 << WLAN_CRYPTO_CIPHER_WEP)) || |
| 491 | ((ucast_cipher & (1 << WLAN_CRYPTO_CIPHER_TKIP)) && |
| 492 | !(ucast_cipher & (1 << WLAN_CRYPTO_CIPHER_AES_CCM)) && |
| 493 | !(ucast_cipher & (1 << WLAN_CRYPTO_CIPHER_AES_GCM)) && |
| 494 | !(ucast_cipher & (1 << WLAN_CRYPTO_CIPHER_AES_GCM_256)) && |
| 495 | !(ucast_cipher & (1 << WLAN_CRYPTO_CIPHER_AES_CCM_256))); |
| 496 | } |
| 497 | qdf_export_symbol(wlan_crypto_is_htallowed); |
| 498 | |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 499 | /** |
| 500 | * wlan_crypto_setkey - called by ucfg to setkey |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 501 | * @vdev: vdev |
| 502 | * @req_key: req_key with cipher type, key macaddress |
| 503 | * |
| 504 | * This function gets called from ucfg to sey key |
| 505 | * |
| 506 | * Return: QDF_STATUS_SUCCESS - in case of success |
| 507 | */ |
| 508 | QDF_STATUS wlan_crypto_setkey(struct wlan_objmgr_vdev *vdev, |
| 509 | struct wlan_crypto_req_key *req_key){ |
| 510 | |
| 511 | QDF_STATUS status = QDF_STATUS_E_INVAL; |
| 512 | struct wlan_crypto_comp_priv *crypto_priv; |
| 513 | struct wlan_crypto_params *crypto_params; |
Ashok Ponnaiah | 439d7b5 | 2017-03-21 11:20:36 +0530 | [diff] [blame] | 514 | struct wlan_objmgr_psoc *psoc; |
| 515 | struct wlan_objmgr_peer *peer; |
Ashok Ponnaiah | b696221 | 2017-07-31 10:12:57 +0530 | [diff] [blame] | 516 | struct wlan_crypto_key *key = NULL; |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 517 | const struct wlan_crypto_cipher *cipher; |
Disha Das | df10f65 | 2018-12-10 16:20:56 +0530 | [diff] [blame] | 518 | uint8_t macaddr[QDF_MAC_ADDR_SIZE] = |
| 519 | {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 520 | bool isbcast; |
Jeff Johnson | a426232 | 2017-11-09 09:54:12 -0800 | [diff] [blame] | 521 | enum QDF_OPMODE vdev_mode; |
Nandha Kishore Easwaran | b0ac369 | 2017-12-08 10:39:00 +0530 | [diff] [blame] | 522 | uint8_t igtk_idx = 0; |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 523 | |
Ashok Ponnaiah | 13e9f9b | 2017-03-14 04:45:29 +0530 | [diff] [blame] | 524 | if (!vdev || !req_key || req_key->keylen > (sizeof(req_key->keydata))) { |
Vignesh Mohan | 9d1c7a2 | 2018-08-20 16:35:00 +0530 | [diff] [blame] | 525 | crypto_err("Invalid params vdev%pK, req_key%pK", vdev, req_key); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 526 | return QDF_STATUS_E_INVAL; |
| 527 | } |
| 528 | |
Keyur Parekh | 4138686 | 2018-04-09 23:31:39 -0700 | [diff] [blame] | 529 | isbcast = qdf_is_macaddr_group( |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 530 | (struct qdf_mac_addr *)req_key->macaddr); |
Subrat Mishra | 2b75d6d | 2017-08-07 17:36:25 +0530 | [diff] [blame] | 531 | if ((req_key->keylen == 0) && !IS_FILS_CIPHER(req_key->type)) { |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 532 | /* zero length keys, only set default key id if flags are set*/ |
| 533 | if ((req_key->flags & WLAN_CRYPTO_KEY_DEFAULT) |
| 534 | && (req_key->keyix != WLAN_CRYPTO_KEYIX_NONE) |
| 535 | && (!IS_MGMT_CIPHER(req_key->type))) { |
| 536 | wlan_crypto_default_key(vdev, |
| 537 | req_key->macaddr, |
| 538 | req_key->keyix, |
| 539 | !isbcast); |
| 540 | return QDF_STATUS_SUCCESS; |
| 541 | } |
Vignesh Mohan | 9d1c7a2 | 2018-08-20 16:35:00 +0530 | [diff] [blame] | 542 | crypto_err("req_key len zero"); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 543 | return QDF_STATUS_E_INVAL; |
| 544 | } |
| 545 | |
| 546 | cipher = wlan_crypto_cipher_ops[req_key->type]; |
| 547 | |
| 548 | if (!cipher && !IS_MGMT_CIPHER(req_key->type)) { |
Vignesh Mohan | 9d1c7a2 | 2018-08-20 16:35:00 +0530 | [diff] [blame] | 549 | crypto_err("cipher invalid"); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 550 | return QDF_STATUS_E_INVAL; |
| 551 | } |
| 552 | |
Subrat Mishra | 2b75d6d | 2017-08-07 17:36:25 +0530 | [diff] [blame] | 553 | if (cipher && (!IS_FILS_CIPHER(req_key->type)) && |
| 554 | (!IS_MGMT_CIPHER(req_key->type)) && |
Varun Reddy Yeturu | 7174208 | 2018-06-28 11:55:15 -0700 | [diff] [blame] | 555 | ((req_key->keylen != (cipher->keylen / CRYPTO_NBBY)) && |
Subrat Mishra | 2b75d6d | 2017-08-07 17:36:25 +0530 | [diff] [blame] | 556 | (req_key->type != WLAN_CRYPTO_CIPHER_WEP))) { |
Vignesh Mohan | 9d1c7a2 | 2018-08-20 16:35:00 +0530 | [diff] [blame] | 557 | crypto_err("cipher invalid"); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 558 | return QDF_STATUS_E_INVAL; |
| 559 | } else if ((req_key->type == WLAN_CRYPTO_CIPHER_WEP) && |
Ashok Ponnaiah | b696221 | 2017-07-31 10:12:57 +0530 | [diff] [blame] | 560 | !((req_key->keylen == WLAN_CRYPTO_KEY_WEP40_LEN) |
| 561 | || (req_key->keylen == WLAN_CRYPTO_KEY_WEP104_LEN) |
| 562 | || (req_key->keylen == WLAN_CRYPTO_KEY_WEP128_LEN))) { |
Vignesh Mohan | 9d1c7a2 | 2018-08-20 16:35:00 +0530 | [diff] [blame] | 563 | crypto_err("wep key len invalid. keylen: %d", req_key->keylen); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 564 | return QDF_STATUS_E_INVAL; |
| 565 | } |
| 566 | |
| 567 | if (req_key->keyix == WLAN_CRYPTO_KEYIX_NONE) { |
| 568 | if (req_key->flags != (WLAN_CRYPTO_KEY_XMIT |
| 569 | | WLAN_CRYPTO_KEY_RECV)) { |
Ashok Ponnaiah | 13e9f9b | 2017-03-14 04:45:29 +0530 | [diff] [blame] | 570 | req_key->flags |= (WLAN_CRYPTO_KEY_XMIT |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 571 | | WLAN_CRYPTO_KEY_RECV); |
| 572 | } |
| 573 | } else { |
Gurumoorthi Gnanasambandhan | 17d1e0f | 2019-07-16 13:02:47 +0530 | [diff] [blame] | 574 | if ((req_key->keyix >= WLAN_CRYPTO_MAX_VLANKEYIX) |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 575 | && (!IS_MGMT_CIPHER(req_key->type))) { |
| 576 | return QDF_STATUS_E_INVAL; |
| 577 | } |
| 578 | |
Ashok Ponnaiah | 13e9f9b | 2017-03-14 04:45:29 +0530 | [diff] [blame] | 579 | req_key->flags |= (WLAN_CRYPTO_KEY_XMIT |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 580 | | WLAN_CRYPTO_KEY_RECV); |
Nandha Kishore Easwaran | 786c955 | 2017-06-28 10:54:09 +0530 | [diff] [blame] | 581 | if (isbcast) |
| 582 | req_key->flags |= WLAN_CRYPTO_KEY_GROUP; |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 583 | } |
| 584 | |
Ashok Ponnaiah | 439d7b5 | 2017-03-21 11:20:36 +0530 | [diff] [blame] | 585 | vdev_mode = wlan_vdev_mlme_get_opmode(vdev); |
Vivek | b02a649 | 2017-06-21 08:21:58 +0530 | [diff] [blame] | 586 | |
| 587 | wlan_vdev_obj_lock(vdev); |
Disha Das | df10f65 | 2018-12-10 16:20:56 +0530 | [diff] [blame] | 588 | qdf_mem_copy(macaddr, wlan_vdev_mlme_get_macaddr(vdev), |
| 589 | QDF_MAC_ADDR_SIZE); |
Ashok Ponnaiah | 439d7b5 | 2017-03-21 11:20:36 +0530 | [diff] [blame] | 590 | psoc = wlan_vdev_get_psoc(vdev); |
| 591 | if (!psoc) { |
| 592 | wlan_vdev_obj_unlock(vdev); |
Vignesh Mohan | 9d1c7a2 | 2018-08-20 16:35:00 +0530 | [diff] [blame] | 593 | crypto_err("psoc NULL"); |
Ashok Ponnaiah | 439d7b5 | 2017-03-21 11:20:36 +0530 | [diff] [blame] | 594 | return QDF_STATUS_E_INVAL; |
| 595 | } |
| 596 | wlan_vdev_obj_unlock(vdev); |
| 597 | |
Rohan Dutta | 3844c60 | 2017-09-01 16:04:25 +0530 | [diff] [blame] | 598 | if (req_key->type == WLAN_CRYPTO_CIPHER_WEP) { |
| 599 | if (wlan_crypto_vdev_has_auth_mode(vdev, |
| 600 | (1 << WLAN_CRYPTO_AUTH_8021X))) { |
| 601 | req_key->flags |= WLAN_CRYPTO_KEY_DEFAULT; |
Rohan Dutta | 3844c60 | 2017-09-01 16:04:25 +0530 | [diff] [blame] | 602 | } |
| 603 | } |
| 604 | |
Ashok Ponnaiah | 439d7b5 | 2017-03-21 11:20:36 +0530 | [diff] [blame] | 605 | if (isbcast) { |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 606 | crypto_params = wlan_crypto_vdev_get_comp_params(vdev, |
| 607 | &crypto_priv); |
Jeff Johnson | f3a2b89 | 2019-03-20 12:07:03 -0700 | [diff] [blame] | 608 | if (!crypto_priv) { |
Vignesh Mohan | 9d1c7a2 | 2018-08-20 16:35:00 +0530 | [diff] [blame] | 609 | crypto_err("crypto_priv NULL"); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 610 | return QDF_STATUS_E_INVAL; |
| 611 | } |
| 612 | |
| 613 | if (IS_MGMT_CIPHER(req_key->type)) { |
Nandha Kishore Easwaran | b0ac369 | 2017-12-08 10:39:00 +0530 | [diff] [blame] | 614 | igtk_idx = req_key->keyix - WLAN_CRYPTO_MAXKEYIDX; |
Disha Das | 76210cd | 2018-04-10 12:44:14 +0530 | [diff] [blame] | 615 | if (igtk_idx >= WLAN_CRYPTO_MAXIGTKKEYIDX) { |
Vignesh Mohan | 9d1c7a2 | 2018-08-20 16:35:00 +0530 | [diff] [blame] | 616 | crypto_err("igtk key invalid keyid %d", |
| 617 | igtk_idx); |
Nandha Kishore Easwaran | b0ac369 | 2017-12-08 10:39:00 +0530 | [diff] [blame] | 618 | return QDF_STATUS_E_INVAL; |
| 619 | } |
Ashok Ponnaiah | 2a3df50 | 2017-07-07 17:01:41 +0530 | [diff] [blame] | 620 | key = qdf_mem_malloc(sizeof(struct wlan_crypto_key)); |
Madhvapathi Sriram | b73fc28 | 2019-01-07 09:12:25 +0530 | [diff] [blame] | 621 | if (!key) |
Ashok Ponnaiah | 2a3df50 | 2017-07-07 17:01:41 +0530 | [diff] [blame] | 622 | return QDF_STATUS_E_NOMEM; |
Nandha Kishore Easwaran | b0ac369 | 2017-12-08 10:39:00 +0530 | [diff] [blame] | 623 | |
| 624 | if (crypto_priv->igtk_key[igtk_idx]) |
| 625 | qdf_mem_free(crypto_priv->igtk_key[igtk_idx]); |
| 626 | |
| 627 | crypto_priv->igtk_key[igtk_idx] = key; |
Ashok Ponnaiah | 13e9f9b | 2017-03-14 04:45:29 +0530 | [diff] [blame] | 628 | crypto_priv->igtk_key_type = req_key->type; |
Nandha Kishore Easwaran | b0ac369 | 2017-12-08 10:39:00 +0530 | [diff] [blame] | 629 | crypto_priv->def_igtk_tx_keyid = igtk_idx; |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 630 | } else { |
Subrat Mishra | 2b75d6d | 2017-08-07 17:36:25 +0530 | [diff] [blame] | 631 | if (IS_FILS_CIPHER(req_key->type)) { |
Vignesh Mohan | 9d1c7a2 | 2018-08-20 16:35:00 +0530 | [diff] [blame] | 632 | crypto_err("FILS key is not for BroadCast pkt"); |
Subrat Mishra | 2b75d6d | 2017-08-07 17:36:25 +0530 | [diff] [blame] | 633 | return QDF_STATUS_E_INVAL; |
| 634 | } |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 635 | if (!HAS_MCAST_CIPHER(crypto_params, req_key->type) |
| 636 | && (req_key->type != WLAN_CRYPTO_CIPHER_WEP)) { |
| 637 | return QDF_STATUS_E_INVAL; |
| 638 | } |
| 639 | if (!crypto_priv->key[req_key->keyix]) { |
| 640 | crypto_priv->key[req_key->keyix] |
| 641 | = qdf_mem_malloc( |
| 642 | sizeof(struct wlan_crypto_key)); |
| 643 | if (!crypto_priv->key[req_key->keyix]) |
| 644 | return QDF_STATUS_E_NOMEM; |
| 645 | } |
| 646 | key = crypto_priv->key[req_key->keyix]; |
| 647 | } |
Nandha Kishore Easwaran | e9f8070 | 2017-07-21 18:00:56 +0530 | [diff] [blame] | 648 | if (vdev_mode == QDF_STA_MODE) { |
sheenam monga | 1273bce | 2019-05-06 11:47:08 +0530 | [diff] [blame] | 649 | peer = wlan_objmgr_vdev_try_get_bsspeer(vdev, |
| 650 | WLAN_CRYPTO_ID); |
| 651 | if (!peer) { |
sheenam monga | d74e1fd | 2019-05-20 16:31:44 +0530 | [diff] [blame] | 652 | crypto_err("peer NULL"); |
Ashok Ponnaiah | b696221 | 2017-07-31 10:12:57 +0530 | [diff] [blame] | 653 | if (IS_MGMT_CIPHER(req_key->type)) { |
Nandha Kishore Easwaran | b0ac369 | 2017-12-08 10:39:00 +0530 | [diff] [blame] | 654 | crypto_priv->igtk_key[igtk_idx] = NULL; |
Ashok Ponnaiah | b696221 | 2017-07-31 10:12:57 +0530 | [diff] [blame] | 655 | crypto_priv->igtk_key_type |
| 656 | = WLAN_CRYPTO_CIPHER_NONE; |
| 657 | } else |
| 658 | crypto_priv->key[req_key->keyix] = NULL; |
| 659 | if (key) |
| 660 | qdf_mem_free(key); |
Nandha Kishore Easwaran | e9f8070 | 2017-07-21 18:00:56 +0530 | [diff] [blame] | 661 | return QDF_STATUS_E_INVAL; |
| 662 | } |
Nandha Kishore Easwaran | e9f8070 | 2017-07-21 18:00:56 +0530 | [diff] [blame] | 663 | qdf_mem_copy(macaddr, wlan_peer_get_macaddr(peer), |
Disha Das | df10f65 | 2018-12-10 16:20:56 +0530 | [diff] [blame] | 664 | QDF_MAC_ADDR_SIZE); |
Nandha Kishore Easwaran | e9f8070 | 2017-07-21 18:00:56 +0530 | [diff] [blame] | 665 | wlan_objmgr_peer_release_ref(peer, WLAN_CRYPTO_ID); |
| 666 | } |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 667 | } else { |
Amir Patel | d338594 | 2018-05-03 23:01:08 +0530 | [diff] [blame] | 668 | uint8_t pdev_id; |
| 669 | |
| 670 | pdev_id = wlan_objmgr_pdev_get_pdev_id( |
| 671 | wlan_vdev_get_pdev(vdev)); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 672 | peer = wlan_objmgr_get_peer_by_mac_n_vdev( |
Ashok Ponnaiah | 439d7b5 | 2017-03-21 11:20:36 +0530 | [diff] [blame] | 673 | psoc, |
Amir Patel | d338594 | 2018-05-03 23:01:08 +0530 | [diff] [blame] | 674 | pdev_id, |
Ashok Ponnaiah | 439d7b5 | 2017-03-21 11:20:36 +0530 | [diff] [blame] | 675 | macaddr, |
Amir Patel | d338594 | 2018-05-03 23:01:08 +0530 | [diff] [blame] | 676 | req_key->macaddr, |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 677 | WLAN_CRYPTO_ID); |
Ashok Ponnaiah | 439d7b5 | 2017-03-21 11:20:36 +0530 | [diff] [blame] | 678 | |
Jeff Johnson | f3a2b89 | 2019-03-20 12:07:03 -0700 | [diff] [blame] | 679 | if (!peer) { |
Vignesh Mohan | 9d1c7a2 | 2018-08-20 16:35:00 +0530 | [diff] [blame] | 680 | crypto_err("peer NULL"); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 681 | return QDF_STATUS_E_INVAL; |
| 682 | } |
| 683 | |
Disha Das | df10f65 | 2018-12-10 16:20:56 +0530 | [diff] [blame] | 684 | qdf_mem_copy(macaddr, req_key->macaddr, QDF_MAC_ADDR_SIZE); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 685 | crypto_params = wlan_crypto_peer_get_comp_params(peer, |
| 686 | &crypto_priv); |
| 687 | wlan_objmgr_peer_release_ref(peer, WLAN_CRYPTO_ID); |
| 688 | |
Jeff Johnson | f3a2b89 | 2019-03-20 12:07:03 -0700 | [diff] [blame] | 689 | if (!crypto_priv) { |
Vignesh Mohan | 9d1c7a2 | 2018-08-20 16:35:00 +0530 | [diff] [blame] | 690 | crypto_err("crypto_priv NULL"); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 691 | return QDF_STATUS_E_INVAL; |
| 692 | } |
| 693 | if (IS_MGMT_CIPHER(req_key->type)) { |
Nandha Kishore Easwaran | b0ac369 | 2017-12-08 10:39:00 +0530 | [diff] [blame] | 694 | igtk_idx = req_key->keyix - WLAN_CRYPTO_MAXKEYIDX; |
Disha Das | 55b86c2 | 2018-04-20 15:22:08 +0530 | [diff] [blame] | 695 | if (igtk_idx >= WLAN_CRYPTO_MAXIGTKKEYIDX) { |
Vignesh Mohan | 9d1c7a2 | 2018-08-20 16:35:00 +0530 | [diff] [blame] | 696 | crypto_err("igtk key invalid keyid %d", |
| 697 | igtk_idx); |
Nandha Kishore Easwaran | b0ac369 | 2017-12-08 10:39:00 +0530 | [diff] [blame] | 698 | return QDF_STATUS_E_INVAL; |
| 699 | } |
Ashok Ponnaiah | 2a3df50 | 2017-07-07 17:01:41 +0530 | [diff] [blame] | 700 | key = qdf_mem_malloc(sizeof(struct wlan_crypto_key)); |
Madhvapathi Sriram | b73fc28 | 2019-01-07 09:12:25 +0530 | [diff] [blame] | 701 | if (!key) |
Ashok Ponnaiah | 2a3df50 | 2017-07-07 17:01:41 +0530 | [diff] [blame] | 702 | return QDF_STATUS_E_NOMEM; |
Madhvapathi Sriram | b73fc28 | 2019-01-07 09:12:25 +0530 | [diff] [blame] | 703 | |
Nandha Kishore Easwaran | b0ac369 | 2017-12-08 10:39:00 +0530 | [diff] [blame] | 704 | if (crypto_priv->igtk_key[igtk_idx]) |
| 705 | qdf_mem_free(crypto_priv->igtk_key[igtk_idx]); |
| 706 | |
| 707 | crypto_priv->igtk_key[igtk_idx] = key; |
| 708 | crypto_priv->igtk_key_type = req_key->type; |
| 709 | crypto_priv->def_igtk_tx_keyid = igtk_idx; |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 710 | } else { |
| 711 | uint16_t kid = req_key->keyix; |
| 712 | if (kid == WLAN_CRYPTO_KEYIX_NONE) |
| 713 | kid = 0; |
Gurumoorthi Gnanasambandhan | 17d1e0f | 2019-07-16 13:02:47 +0530 | [diff] [blame] | 714 | if (kid >= WLAN_CRYPTO_MAX_VLANKEYIX) { |
Vignesh Mohan | 9d1c7a2 | 2018-08-20 16:35:00 +0530 | [diff] [blame] | 715 | crypto_err("invalid keyid %d", kid); |
Radhika Sriram | 00392f3 | 2018-04-04 19:04:49 +0530 | [diff] [blame] | 716 | return QDF_STATUS_E_INVAL; |
| 717 | } |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 718 | if (!crypto_priv->key[kid]) { |
| 719 | crypto_priv->key[kid] |
| 720 | = qdf_mem_malloc( |
| 721 | sizeof(struct wlan_crypto_key)); |
| 722 | if (!crypto_priv->key[kid]) |
| 723 | return QDF_STATUS_E_NOMEM; |
| 724 | } |
| 725 | key = crypto_priv->key[kid]; |
| 726 | } |
| 727 | } |
| 728 | |
| 729 | /* alloc key might not required as it is already there */ |
| 730 | key->cipher_table = (void *)cipher; |
| 731 | key->keylen = req_key->keylen; |
| 732 | key->flags = req_key->flags; |
| 733 | |
| 734 | if (req_key->keyix == WLAN_CRYPTO_KEYIX_NONE) |
| 735 | key->keyix = 0; |
| 736 | else |
| 737 | key->keyix = req_key->keyix; |
| 738 | |
Ashok Ponnaiah | 2a3df50 | 2017-07-07 17:01:41 +0530 | [diff] [blame] | 739 | if (req_key->flags & WLAN_CRYPTO_KEY_DEFAULT |
| 740 | && (!IS_MGMT_CIPHER(req_key->type))) { |
Ashok Ponnaiah | 13e9f9b | 2017-03-14 04:45:29 +0530 | [diff] [blame] | 741 | crypto_priv->def_tx_keyid = key->keyix; |
| 742 | key->flags |= WLAN_CRYPTO_KEY_DEFAULT; |
| 743 | } |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 744 | if ((req_key->type == WLAN_CRYPTO_CIPHER_WAPI_SMS4) |
| 745 | || (req_key->type == WLAN_CRYPTO_CIPHER_WAPI_GCM4)) { |
| 746 | uint8_t iv_AP[16] = { 0x5c, 0x36, 0x5c, 0x36, |
| 747 | 0x5c, 0x36, 0x5c, 0x36, |
| 748 | 0x5c, 0x36, 0x5c, 0x36, |
| 749 | 0x5c, 0x36, 0x5c, 0x37}; |
| 750 | uint8_t iv_STA[16] = { 0x5c, 0x36, 0x5c, 0x36, |
| 751 | 0x5c, 0x36, 0x5c, 0x36, |
| 752 | 0x5c, 0x36, 0x5c, 0x36, |
| 753 | 0x5c, 0x36, 0x5c, 0x36}; |
| 754 | |
| 755 | /* During Tx PN should be increment and |
| 756 | * send but as per our implementation we increment only after |
| 757 | * Tx complete. So First packet PN check will be failed. |
| 758 | * To compensate increment the PN here by 2 |
| 759 | */ |
Ashok Ponnaiah | 439d7b5 | 2017-03-21 11:20:36 +0530 | [diff] [blame] | 760 | if (vdev_mode == QDF_SAP_MODE) { |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 761 | iv_AP[15] += 2; |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 762 | qdf_mem_copy(key->recviv, iv_STA, |
| 763 | WLAN_CRYPTO_WAPI_IV_SIZE); |
Ashok Ponnaiah | 2a3df50 | 2017-07-07 17:01:41 +0530 | [diff] [blame] | 764 | qdf_mem_copy(key->txiv, iv_AP, |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 765 | WLAN_CRYPTO_WAPI_IV_SIZE); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 766 | } else { |
| 767 | iv_STA[15] += 2; |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 768 | qdf_mem_copy(key->recviv, iv_AP, |
| 769 | WLAN_CRYPTO_WAPI_IV_SIZE); |
Ashok Ponnaiah | 2a3df50 | 2017-07-07 17:01:41 +0530 | [diff] [blame] | 770 | qdf_mem_copy(key->txiv, iv_STA, |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 771 | WLAN_CRYPTO_WAPI_IV_SIZE); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 772 | } |
| 773 | } else { |
| 774 | uint8_t i = 0; |
| 775 | qdf_mem_copy((uint8_t *)(&key->keytsc), |
| 776 | (uint8_t *)(&req_key->keytsc), sizeof(key->keytsc)); |
| 777 | for (i = 0; i < WLAN_CRYPTO_TID_SIZE; i++) { |
| 778 | qdf_mem_copy((uint8_t *)(&key->keyrsc[i]), |
| 779 | (uint8_t *)(&req_key->keyrsc), |
| 780 | sizeof(key->keyrsc[0])); |
| 781 | } |
| 782 | } |
| 783 | |
| 784 | qdf_mem_copy(key->keyval, req_key->keydata, sizeof(key->keyval)); |
| 785 | key->valid = 1; |
Ashok Ponnaiah | 2a3df50 | 2017-07-07 17:01:41 +0530 | [diff] [blame] | 786 | if ((IS_MGMT_CIPHER(req_key->type))) { |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 787 | if (HAS_CIPHER_CAP(crypto_params, |
| 788 | WLAN_CRYPTO_CAP_PMF_OFFLOAD)) { |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 789 | if (WLAN_CRYPTO_TX_OPS_SETKEY(psoc)) { |
| 790 | WLAN_CRYPTO_TX_OPS_SETKEY(psoc)(vdev, |
| 791 | key, macaddr, req_key->type); |
| 792 | } |
| 793 | } |
Ashok Ponnaiah | adfce98 | 2018-05-10 14:08:52 +0530 | [diff] [blame] | 794 | wlan_crypto_set_mgmtcipher(crypto_params, req_key->type); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 795 | status = wlan_crypto_set_igtk_key(key); |
| 796 | return status; |
Subrat Mishra | 2b75d6d | 2017-08-07 17:36:25 +0530 | [diff] [blame] | 797 | } else if (IS_FILS_CIPHER(req_key->type)) { |
| 798 | /* Take request key object to FILS setkey */ |
| 799 | key->private = req_key; |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 800 | } else { |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 801 | if (WLAN_CRYPTO_TX_OPS_SETKEY(psoc)) { |
| 802 | WLAN_CRYPTO_TX_OPS_SETKEY(psoc)(vdev, key, |
| 803 | macaddr, req_key->type); |
| 804 | } |
| 805 | } |
| 806 | status = cipher->setkey(key); |
| 807 | |
Padma Raghunathan | 43ebaa7 | 2018-04-30 09:46:38 +0530 | [diff] [blame] | 808 | if ((req_key->flags & WLAN_CRYPTO_KEY_DEFAULT) && |
| 809 | (req_key->keyix != WLAN_CRYPTO_KEYIX_NONE) && |
| 810 | (!IS_MGMT_CIPHER(req_key->type))) { |
| 811 | /* default xmit key */ |
| 812 | wlan_crypto_default_key(vdev, |
| 813 | req_key->macaddr, |
| 814 | req_key->keyix, |
| 815 | !isbcast); |
| 816 | } |
| 817 | |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 818 | return status; |
| 819 | } |
| 820 | |
| 821 | /** |
Ashok Ponnaiah | 23668cd | 2018-04-23 14:22:27 +0530 | [diff] [blame] | 822 | * wlan_crypto_get_keytype - get keytype |
| 823 | * @key: key |
| 824 | * |
| 825 | * This function gets keytype from key |
| 826 | * |
| 827 | * Return: keytype |
| 828 | */ |
| 829 | wlan_crypto_cipher_type wlan_crypto_get_key_type( |
| 830 | struct wlan_crypto_key *key){ |
| 831 | if (key && key->cipher_table) { |
| 832 | return ((struct wlan_crypto_cipher *) |
| 833 | (key->cipher_table))->cipher; |
| 834 | } |
| 835 | return WLAN_CRYPTO_CIPHER_NONE; |
| 836 | } |
| 837 | qdf_export_symbol(wlan_crypto_get_key_type); |
| 838 | /** |
Ashok Ponnaiah | afb8893 | 2018-04-17 10:15:24 +0530 | [diff] [blame] | 839 | * wlan_crypto_vdev_getkey - get key from vdev |
| 840 | * @vdev: vdev |
| 841 | * @keyix: keyix |
| 842 | * |
| 843 | * This function gets key from vdev |
| 844 | * |
| 845 | * Return: key or NULL |
| 846 | */ |
| 847 | struct wlan_crypto_key *wlan_crypto_vdev_getkey(struct wlan_objmgr_vdev *vdev, |
| 848 | uint16_t keyix){ |
| 849 | struct wlan_crypto_comp_priv *crypto_priv; |
| 850 | struct wlan_crypto_params *crypto_params; |
Ashok Ponnaiah | 23668cd | 2018-04-23 14:22:27 +0530 | [diff] [blame] | 851 | struct wlan_crypto_key *key = NULL; |
Ashok Ponnaiah | afb8893 | 2018-04-17 10:15:24 +0530 | [diff] [blame] | 852 | |
| 853 | crypto_params = wlan_crypto_vdev_get_comp_params(vdev, &crypto_priv); |
| 854 | |
Jeff Johnson | f3a2b89 | 2019-03-20 12:07:03 -0700 | [diff] [blame] | 855 | if (!crypto_priv) { |
Vignesh Mohan | 9d1c7a2 | 2018-08-20 16:35:00 +0530 | [diff] [blame] | 856 | crypto_err("crypto_priv NULL"); |
Ashok Ponnaiah | afb8893 | 2018-04-17 10:15:24 +0530 | [diff] [blame] | 857 | return NULL; |
| 858 | } |
Rohan Dutta | 613f792 | 2019-04-01 11:28:39 +0530 | [diff] [blame] | 859 | /* for keyix 4,5 we return the igtk keys for keyix more than 5 |
| 860 | * we return the default key, for all other keyix we return the |
| 861 | * key accordingly. |
| 862 | */ |
| 863 | if (keyix == WLAN_CRYPTO_KEYIX_NONE || |
| 864 | keyix >= (WLAN_CRYPTO_MAXKEYIDX + WLAN_CRYPTO_MAXIGTKKEYIDX)) |
Ashok Ponnaiah | 23668cd | 2018-04-23 14:22:27 +0530 | [diff] [blame] | 865 | key = crypto_priv->key[crypto_priv->def_tx_keyid]; |
Rohan Dutta | 613f792 | 2019-04-01 11:28:39 +0530 | [diff] [blame] | 866 | else if (keyix >= WLAN_CRYPTO_MAXKEYIDX) |
| 867 | key = crypto_priv->igtk_key[keyix - WLAN_CRYPTO_MAXKEYIDX]; |
Ashok Ponnaiah | afb8893 | 2018-04-17 10:15:24 +0530 | [diff] [blame] | 868 | else |
Ashok Ponnaiah | 23668cd | 2018-04-23 14:22:27 +0530 | [diff] [blame] | 869 | key = crypto_priv->key[keyix]; |
| 870 | |
| 871 | if (key && key->valid) |
| 872 | return key; |
| 873 | |
| 874 | return NULL; |
Ashok Ponnaiah | afb8893 | 2018-04-17 10:15:24 +0530 | [diff] [blame] | 875 | } |
Ashok Ponnaiah | 23668cd | 2018-04-23 14:22:27 +0530 | [diff] [blame] | 876 | qdf_export_symbol(wlan_crypto_vdev_getkey); |
Ashok Ponnaiah | afb8893 | 2018-04-17 10:15:24 +0530 | [diff] [blame] | 877 | |
| 878 | /** |
| 879 | * wlan_crypto_peer_getkey - get key from peer |
| 880 | * @peer: peer |
| 881 | * @keyix: keyix |
| 882 | * |
| 883 | * This function gets key from peer |
| 884 | * |
| 885 | * Return: key or NULL |
| 886 | */ |
| 887 | struct wlan_crypto_key *wlan_crypto_peer_getkey(struct wlan_objmgr_peer *peer, |
| 888 | uint16_t keyix){ |
| 889 | struct wlan_crypto_comp_priv *crypto_priv; |
| 890 | struct wlan_crypto_params *crypto_params; |
Ashok Ponnaiah | 23668cd | 2018-04-23 14:22:27 +0530 | [diff] [blame] | 891 | struct wlan_crypto_key *key = NULL; |
Ashok Ponnaiah | afb8893 | 2018-04-17 10:15:24 +0530 | [diff] [blame] | 892 | |
| 893 | crypto_params = wlan_crypto_peer_get_comp_params(peer, &crypto_priv); |
| 894 | |
Jeff Johnson | f3a2b89 | 2019-03-20 12:07:03 -0700 | [diff] [blame] | 895 | if (!crypto_priv) { |
Vignesh Mohan | 9d1c7a2 | 2018-08-20 16:35:00 +0530 | [diff] [blame] | 896 | crypto_err("crypto_priv NULL"); |
Ashok Ponnaiah | afb8893 | 2018-04-17 10:15:24 +0530 | [diff] [blame] | 897 | return NULL; |
| 898 | } |
| 899 | |
Rohan Dutta | 613f792 | 2019-04-01 11:28:39 +0530 | [diff] [blame] | 900 | /* for keyix 4,5 we return the igtk keys for keyix more than 5 |
| 901 | * we return the default key, for all other keyix we return the |
| 902 | * key accordingly. |
| 903 | */ |
| 904 | if (keyix == WLAN_CRYPTO_KEYIX_NONE || |
| 905 | keyix >= (WLAN_CRYPTO_MAXKEYIDX + WLAN_CRYPTO_MAXIGTKKEYIDX)) |
Ashok Ponnaiah | 23668cd | 2018-04-23 14:22:27 +0530 | [diff] [blame] | 906 | key = crypto_priv->key[crypto_priv->def_tx_keyid]; |
Rohan Dutta | 613f792 | 2019-04-01 11:28:39 +0530 | [diff] [blame] | 907 | else if (keyix >= WLAN_CRYPTO_MAXKEYIDX) |
| 908 | key = crypto_priv->igtk_key[keyix - WLAN_CRYPTO_MAXKEYIDX]; |
Ashok Ponnaiah | afb8893 | 2018-04-17 10:15:24 +0530 | [diff] [blame] | 909 | else |
Ashok Ponnaiah | 23668cd | 2018-04-23 14:22:27 +0530 | [diff] [blame] | 910 | key = crypto_priv->key[keyix]; |
| 911 | |
| 912 | if (key && key->valid) |
| 913 | return key; |
| 914 | |
| 915 | return NULL; |
Ashok Ponnaiah | afb8893 | 2018-04-17 10:15:24 +0530 | [diff] [blame] | 916 | } |
Ashok Ponnaiah | 23668cd | 2018-04-23 14:22:27 +0530 | [diff] [blame] | 917 | qdf_export_symbol(wlan_crypto_peer_getkey); |
Ashok Ponnaiah | afb8893 | 2018-04-17 10:15:24 +0530 | [diff] [blame] | 918 | |
| 919 | /** |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 920 | * wlan_crypto_getkey - called by ucfg to get key |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 921 | * @vdev: vdev |
| 922 | * @req_key: key value will be copied in this req_key |
| 923 | * @mac_address: mac address of the peer for unicast key |
| 924 | * or broadcast address if group key is requested. |
Ashok Ponnaiah | f995360 | 2018-01-11 15:39:26 +0530 | [diff] [blame] | 925 | * |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 926 | * This function gets called from ucfg to get key |
| 927 | * |
| 928 | * Return: QDF_STATUS_SUCCESS - in case of success |
| 929 | */ |
| 930 | QDF_STATUS wlan_crypto_getkey(struct wlan_objmgr_vdev *vdev, |
| 931 | struct wlan_crypto_req_key *req_key, |
| 932 | uint8_t *mac_addr){ |
Ashok Ponnaiah | 13e9f9b | 2017-03-14 04:45:29 +0530 | [diff] [blame] | 933 | struct wlan_crypto_cipher *cipher_table; |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 934 | struct wlan_crypto_key *key; |
Ashok Ponnaiah | 439d7b5 | 2017-03-21 11:20:36 +0530 | [diff] [blame] | 935 | struct wlan_objmgr_psoc *psoc; |
Disha Das | df10f65 | 2018-12-10 16:20:56 +0530 | [diff] [blame] | 936 | uint8_t macaddr[QDF_MAC_ADDR_SIZE] = |
| 937 | {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; |
Ashok Ponnaiah | 439d7b5 | 2017-03-21 11:20:36 +0530 | [diff] [blame] | 938 | |
| 939 | wlan_vdev_obj_lock(vdev); |
Disha Das | df10f65 | 2018-12-10 16:20:56 +0530 | [diff] [blame] | 940 | qdf_mem_copy(macaddr, wlan_vdev_mlme_get_macaddr(vdev), |
| 941 | QDF_MAC_ADDR_SIZE); |
Ashok Ponnaiah | 439d7b5 | 2017-03-21 11:20:36 +0530 | [diff] [blame] | 942 | psoc = wlan_vdev_get_psoc(vdev); |
| 943 | if (!psoc) { |
| 944 | wlan_vdev_obj_unlock(vdev); |
Vignesh Mohan | 9d1c7a2 | 2018-08-20 16:35:00 +0530 | [diff] [blame] | 945 | crypto_err("psoc NULL"); |
Ashok Ponnaiah | 439d7b5 | 2017-03-21 11:20:36 +0530 | [diff] [blame] | 946 | return QDF_STATUS_E_INVAL; |
| 947 | } |
| 948 | wlan_vdev_obj_unlock(vdev); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 949 | |
| 950 | if (qdf_is_macaddr_broadcast((struct qdf_mac_addr *)mac_addr)) { |
Ashok Ponnaiah | afb8893 | 2018-04-17 10:15:24 +0530 | [diff] [blame] | 951 | key = wlan_crypto_vdev_getkey(vdev, req_key->keyix); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 952 | if (!key) |
| 953 | return QDF_STATUS_E_INVAL; |
| 954 | } else { |
| 955 | struct wlan_objmgr_peer *peer; |
Amir Patel | d338594 | 2018-05-03 23:01:08 +0530 | [diff] [blame] | 956 | uint8_t pdev_id; |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 957 | |
Amir Patel | d338594 | 2018-05-03 23:01:08 +0530 | [diff] [blame] | 958 | pdev_id = wlan_objmgr_pdev_get_pdev_id( |
| 959 | wlan_vdev_get_pdev(vdev)); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 960 | peer = wlan_objmgr_get_peer_by_mac_n_vdev( |
Ashok Ponnaiah | 439d7b5 | 2017-03-21 11:20:36 +0530 | [diff] [blame] | 961 | psoc, |
Amir Patel | d338594 | 2018-05-03 23:01:08 +0530 | [diff] [blame] | 962 | pdev_id, |
Ashok Ponnaiah | 439d7b5 | 2017-03-21 11:20:36 +0530 | [diff] [blame] | 963 | macaddr, |
Amir Patel | d338594 | 2018-05-03 23:01:08 +0530 | [diff] [blame] | 964 | mac_addr, |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 965 | WLAN_CRYPTO_ID); |
Jeff Johnson | f3a2b89 | 2019-03-20 12:07:03 -0700 | [diff] [blame] | 966 | if (!peer) { |
Vignesh Mohan | 9d1c7a2 | 2018-08-20 16:35:00 +0530 | [diff] [blame] | 967 | crypto_err("peer NULL"); |
Nandha Kishore Easwaran | 434838f | 2017-10-29 00:47:11 +0530 | [diff] [blame] | 968 | return QDF_STATUS_E_NOENT; |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 969 | } |
Ashok Ponnaiah | afb8893 | 2018-04-17 10:15:24 +0530 | [diff] [blame] | 970 | key = wlan_crypto_peer_getkey(peer, req_key->keyix); |
Ashok Ponnaiah | c1797fd | 2018-05-04 09:42:02 +0530 | [diff] [blame] | 971 | wlan_objmgr_peer_release_ref(peer, WLAN_CRYPTO_ID); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 972 | if (!key) |
| 973 | return QDF_STATUS_E_INVAL; |
| 974 | } |
| 975 | |
| 976 | if (key->valid) { |
| 977 | qdf_mem_copy(req_key->keydata, |
Ashok Ponnaiah | 13e9f9b | 2017-03-14 04:45:29 +0530 | [diff] [blame] | 978 | key->keyval, key->keylen); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 979 | qdf_mem_copy((uint8_t *)(&req_key->keytsc), |
| 980 | (uint8_t *)(&key->keytsc), |
| 981 | sizeof(req_key->keytsc)); |
| 982 | qdf_mem_copy((uint8_t *)(&req_key->keyrsc), |
| 983 | (uint8_t *)(&key->keyrsc[0]), |
| 984 | sizeof(req_key->keyrsc)); |
| 985 | req_key->keylen = key->keylen; |
Ashok Ponnaiah | 13e9f9b | 2017-03-14 04:45:29 +0530 | [diff] [blame] | 986 | req_key->flags = key->flags; |
| 987 | cipher_table = (struct wlan_crypto_cipher *)key->cipher_table; |
Ashok Ponnaiah | 2a3df50 | 2017-07-07 17:01:41 +0530 | [diff] [blame] | 988 | |
| 989 | if (!cipher_table) |
| 990 | return QDF_STATUS_SUCCESS; |
| 991 | |
Ashok Ponnaiah | 13e9f9b | 2017-03-14 04:45:29 +0530 | [diff] [blame] | 992 | req_key->type = cipher_table->cipher; |
Rohan Dutta | bec3ab7 | 2017-09-22 12:32:23 +0530 | [diff] [blame] | 993 | if (req_key->type == WLAN_CRYPTO_CIPHER_WAPI_SMS4) { |
| 994 | qdf_mem_copy((uint8_t *)(&req_key->txiv), |
| 995 | (uint8_t *)(key->txiv), |
| 996 | sizeof(req_key->txiv)); |
| 997 | qdf_mem_copy((uint8_t *)(&req_key->recviv), |
| 998 | (uint8_t *)(key->recviv), |
| 999 | sizeof(req_key->recviv)); |
| 1000 | } |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1001 | } |
| 1002 | |
| 1003 | return QDF_STATUS_SUCCESS; |
| 1004 | } |
| 1005 | |
| 1006 | /** |
| 1007 | * wlan_crypto_delkey - called by ucfg to delete key |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1008 | * @vdev: vdev |
| 1009 | * @mac_address: mac address of the peer for unicast key |
| 1010 | * or broadcast address if group key is deleted. |
| 1011 | * @key_idx: key index to be deleted |
Ashok Ponnaiah | f995360 | 2018-01-11 15:39:26 +0530 | [diff] [blame] | 1012 | * |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1013 | * This function gets called from ucfg to delete key |
| 1014 | * |
| 1015 | * Return: QDF_STATUS_SUCCESS - in case of success |
| 1016 | */ |
| 1017 | QDF_STATUS wlan_crypto_delkey(struct wlan_objmgr_vdev *vdev, |
| 1018 | uint8_t *macaddr, |
| 1019 | uint8_t key_idx){ |
| 1020 | struct wlan_crypto_comp_priv *crypto_priv; |
| 1021 | struct wlan_crypto_params *crypto_params; |
| 1022 | struct wlan_crypto_key *key; |
| 1023 | struct wlan_crypto_cipher *cipher_table; |
Ashok Ponnaiah | 439d7b5 | 2017-03-21 11:20:36 +0530 | [diff] [blame] | 1024 | struct wlan_objmgr_psoc *psoc; |
Disha Das | df10f65 | 2018-12-10 16:20:56 +0530 | [diff] [blame] | 1025 | uint8_t bssid_mac[QDF_MAC_ADDR_SIZE]; |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1026 | |
Nandha Kishore Easwaran | b0ac369 | 2017-12-08 10:39:00 +0530 | [diff] [blame] | 1027 | if (!vdev || !macaddr || |
Disha Das | 76210cd | 2018-04-10 12:44:14 +0530 | [diff] [blame] | 1028 | (key_idx >= |
Nandha Kishore Easwaran | b0ac369 | 2017-12-08 10:39:00 +0530 | [diff] [blame] | 1029 | (WLAN_CRYPTO_MAXKEYIDX + WLAN_CRYPTO_MAXIGTKKEYIDX))) { |
Vignesh Mohan | 9d1c7a2 | 2018-08-20 16:35:00 +0530 | [diff] [blame] | 1030 | crypto_err("Invalid param vdev %pK macaddr %pK keyidx %d", |
| 1031 | vdev, macaddr, key_idx); |
Ashok Ponnaiah | 13e9f9b | 2017-03-14 04:45:29 +0530 | [diff] [blame] | 1032 | return QDF_STATUS_E_INVAL; |
| 1033 | } |
Ashok Ponnaiah | 439d7b5 | 2017-03-21 11:20:36 +0530 | [diff] [blame] | 1034 | |
| 1035 | wlan_vdev_obj_lock(vdev); |
Disha Das | df10f65 | 2018-12-10 16:20:56 +0530 | [diff] [blame] | 1036 | qdf_mem_copy(bssid_mac, wlan_vdev_mlme_get_macaddr(vdev), |
| 1037 | QDF_MAC_ADDR_SIZE); |
Ashok Ponnaiah | 439d7b5 | 2017-03-21 11:20:36 +0530 | [diff] [blame] | 1038 | psoc = wlan_vdev_get_psoc(vdev); |
| 1039 | if (!psoc) { |
| 1040 | wlan_vdev_obj_unlock(vdev); |
Vignesh Mohan | 9d1c7a2 | 2018-08-20 16:35:00 +0530 | [diff] [blame] | 1041 | crypto_err("psoc NULL"); |
Ashok Ponnaiah | 439d7b5 | 2017-03-21 11:20:36 +0530 | [diff] [blame] | 1042 | return QDF_STATUS_E_INVAL; |
| 1043 | } |
| 1044 | wlan_vdev_obj_unlock(vdev); |
| 1045 | |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1046 | if (qdf_is_macaddr_broadcast((struct qdf_mac_addr *)macaddr)) { |
| 1047 | crypto_params = wlan_crypto_vdev_get_comp_params(vdev, |
| 1048 | &crypto_priv); |
Jeff Johnson | f3a2b89 | 2019-03-20 12:07:03 -0700 | [diff] [blame] | 1049 | if (!crypto_priv) { |
Vignesh Mohan | 9d1c7a2 | 2018-08-20 16:35:00 +0530 | [diff] [blame] | 1050 | crypto_err("crypto_priv NULL"); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1051 | return QDF_STATUS_E_INVAL; |
| 1052 | } |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1053 | } else { |
| 1054 | struct wlan_objmgr_peer *peer; |
Amir Patel | d338594 | 2018-05-03 23:01:08 +0530 | [diff] [blame] | 1055 | uint8_t pdev_id; |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1056 | |
Amir Patel | d338594 | 2018-05-03 23:01:08 +0530 | [diff] [blame] | 1057 | pdev_id = wlan_objmgr_pdev_get_pdev_id( |
| 1058 | wlan_vdev_get_pdev(vdev)); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1059 | peer = wlan_objmgr_get_peer_by_mac_n_vdev( |
Amir Patel | d338594 | 2018-05-03 23:01:08 +0530 | [diff] [blame] | 1060 | psoc, pdev_id, |
Ashok Ponnaiah | 439d7b5 | 2017-03-21 11:20:36 +0530 | [diff] [blame] | 1061 | bssid_mac, |
Amir Patel | d338594 | 2018-05-03 23:01:08 +0530 | [diff] [blame] | 1062 | macaddr, |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1063 | WLAN_CRYPTO_ID); |
Jeff Johnson | f3a2b89 | 2019-03-20 12:07:03 -0700 | [diff] [blame] | 1064 | if (!peer) { |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1065 | return QDF_STATUS_E_INVAL; |
| 1066 | } |
| 1067 | crypto_params = wlan_crypto_peer_get_comp_params(peer, |
| 1068 | &crypto_priv); |
| 1069 | wlan_objmgr_peer_release_ref(peer, WLAN_CRYPTO_ID); |
Jeff Johnson | f3a2b89 | 2019-03-20 12:07:03 -0700 | [diff] [blame] | 1070 | if (!crypto_priv) { |
Vignesh Mohan | 9d1c7a2 | 2018-08-20 16:35:00 +0530 | [diff] [blame] | 1071 | crypto_err("crypto_priv NULL"); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1072 | return QDF_STATUS_E_INVAL; |
| 1073 | } |
Nandha Kishore Easwaran | b0ac369 | 2017-12-08 10:39:00 +0530 | [diff] [blame] | 1074 | } |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1075 | |
Nandha Kishore Easwaran | b0ac369 | 2017-12-08 10:39:00 +0530 | [diff] [blame] | 1076 | if (key_idx >= WLAN_CRYPTO_MAXKEYIDX) { |
| 1077 | uint8_t igtk_idx = key_idx - WLAN_CRYPTO_MAXKEYIDX; |
Radhika Sriram | 00392f3 | 2018-04-04 19:04:49 +0530 | [diff] [blame] | 1078 | if (igtk_idx >= WLAN_CRYPTO_MAXIGTKKEYIDX) { |
Vignesh Mohan | 9d1c7a2 | 2018-08-20 16:35:00 +0530 | [diff] [blame] | 1079 | crypto_err("Igtk key invalid keyid %d", igtk_idx); |
Radhika Sriram | 00392f3 | 2018-04-04 19:04:49 +0530 | [diff] [blame] | 1080 | return QDF_STATUS_E_INVAL; |
| 1081 | } |
Nandha Kishore Easwaran | b0ac369 | 2017-12-08 10:39:00 +0530 | [diff] [blame] | 1082 | key = crypto_priv->igtk_key[igtk_idx]; |
| 1083 | crypto_priv->igtk_key[igtk_idx] = NULL; |
Nandha Kishore Easwaran | f832d98 | 2017-12-18 10:42:15 +0530 | [diff] [blame] | 1084 | if (key) |
| 1085 | key->valid = 0; |
Nandha Kishore Easwaran | b0ac369 | 2017-12-08 10:39:00 +0530 | [diff] [blame] | 1086 | } else { |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1087 | key = crypto_priv->key[key_idx]; |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1088 | crypto_priv->key[key_idx] = NULL; |
| 1089 | } |
Nandha Kishore Easwaran | b0ac369 | 2017-12-08 10:39:00 +0530 | [diff] [blame] | 1090 | |
| 1091 | if (!key) |
| 1092 | return QDF_STATUS_E_INVAL; |
| 1093 | |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1094 | if (key->valid) { |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1095 | cipher_table = (struct wlan_crypto_cipher *)key->cipher_table; |
Gurumoorthi Gnanasambandhan | 612a906 | 2019-02-08 16:26:42 +0530 | [diff] [blame] | 1096 | qdf_mem_zero(key->keyval, sizeof(key->keyval)); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1097 | |
Ashok Kumar | 39c0fea | 2019-09-06 16:42:20 +0530 | [diff] [blame^] | 1098 | if (!IS_FILS_CIPHER(cipher_table->cipher) && |
| 1099 | WLAN_CRYPTO_TX_OPS_DELKEY(psoc)) { |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1100 | WLAN_CRYPTO_TX_OPS_DELKEY(psoc)(vdev, key, |
| 1101 | macaddr, cipher_table->cipher); |
Ashok Kumar | 39c0fea | 2019-09-06 16:42:20 +0530 | [diff] [blame^] | 1102 | } else if (IS_FILS_CIPHER(cipher_table->cipher)) { |
| 1103 | if (key->private) |
| 1104 | qdf_mem_free(key->private); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1105 | } |
| 1106 | } |
| 1107 | qdf_mem_free(key); |
| 1108 | |
| 1109 | return QDF_STATUS_SUCCESS; |
| 1110 | } |
| 1111 | |
Kiran Kumar Lokere | 25531c4 | 2018-09-19 13:48:48 -0700 | [diff] [blame] | 1112 | #ifdef CRYPTO_SET_KEY_CONVERGED |
| 1113 | static QDF_STATUS wlan_crypto_set_default_key(struct wlan_objmgr_vdev *vdev, |
| 1114 | uint8_t key_idx, uint8_t *macaddr) |
| 1115 | { |
| 1116 | return QDF_STATUS_SUCCESS; |
| 1117 | } |
| 1118 | #else |
| 1119 | static QDF_STATUS wlan_crypto_set_default_key(struct wlan_objmgr_vdev *vdev, |
| 1120 | uint8_t key_idx, uint8_t *macaddr) |
| 1121 | { |
| 1122 | struct wlan_objmgr_psoc *psoc; |
| 1123 | |
| 1124 | psoc = wlan_vdev_get_psoc(vdev); |
| 1125 | if (!psoc) { |
| 1126 | crypto_err("psoc is NULL"); |
| 1127 | return QDF_STATUS_E_INVAL; |
| 1128 | } |
| 1129 | if (WLAN_CRYPTO_TX_OPS_DEFAULTKEY(psoc)) { |
| 1130 | WLAN_CRYPTO_TX_OPS_DEFAULTKEY(psoc)(vdev, key_idx, |
| 1131 | macaddr); |
| 1132 | } |
| 1133 | |
| 1134 | return QDF_STATUS_SUCCESS; |
| 1135 | } |
| 1136 | #endif |
| 1137 | |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1138 | /** |
| 1139 | * wlan_crypto_default_key - called by ucfg to set default tx key |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1140 | * @vdev: vdev |
| 1141 | * @mac_address: mac address of the peer for unicast key |
| 1142 | * or broadcast address if group key need to made default. |
| 1143 | * @key_idx: key index to be made as default key |
| 1144 | * @unicast: is key was unicast or group key. |
Ashok Ponnaiah | f995360 | 2018-01-11 15:39:26 +0530 | [diff] [blame] | 1145 | * |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1146 | * This function gets called from ucfg to set default key |
| 1147 | * |
| 1148 | * Return: QDF_STATUS_SUCCESS - in case of success |
| 1149 | */ |
| 1150 | QDF_STATUS wlan_crypto_default_key(struct wlan_objmgr_vdev *vdev, |
| 1151 | uint8_t *macaddr, |
| 1152 | uint8_t key_idx, |
| 1153 | bool unicast){ |
| 1154 | struct wlan_crypto_comp_priv *crypto_priv; |
| 1155 | struct wlan_crypto_params *crypto_params; |
| 1156 | struct wlan_crypto_key *key; |
| 1157 | struct wlan_objmgr_psoc *psoc; |
Disha Das | df10f65 | 2018-12-10 16:20:56 +0530 | [diff] [blame] | 1158 | uint8_t bssid_mac[QDF_MAC_ADDR_SIZE]; |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1159 | |
Disha Das | 55b86c2 | 2018-04-20 15:22:08 +0530 | [diff] [blame] | 1160 | if (!vdev || !macaddr || (key_idx >= WLAN_CRYPTO_MAXKEYIDX)) { |
Vignesh Mohan | 9d1c7a2 | 2018-08-20 16:35:00 +0530 | [diff] [blame] | 1161 | crypto_err("Invalid param vdev %pK macaddr %pK keyidx %d", |
| 1162 | vdev, macaddr, key_idx); |
Disha Das | 55b86c2 | 2018-04-20 15:22:08 +0530 | [diff] [blame] | 1163 | return QDF_STATUS_E_INVAL; |
| 1164 | } |
| 1165 | |
Ashok Ponnaiah | 439d7b5 | 2017-03-21 11:20:36 +0530 | [diff] [blame] | 1166 | wlan_vdev_obj_lock(vdev); |
Disha Das | df10f65 | 2018-12-10 16:20:56 +0530 | [diff] [blame] | 1167 | qdf_mem_copy(bssid_mac, wlan_vdev_mlme_get_macaddr(vdev), |
| 1168 | QDF_MAC_ADDR_SIZE); |
Ashok Ponnaiah | 439d7b5 | 2017-03-21 11:20:36 +0530 | [diff] [blame] | 1169 | psoc = wlan_vdev_get_psoc(vdev); |
| 1170 | if (!psoc) { |
| 1171 | wlan_vdev_obj_unlock(vdev); |
Vignesh Mohan | 9d1c7a2 | 2018-08-20 16:35:00 +0530 | [diff] [blame] | 1172 | crypto_err("psoc NULL"); |
Ashok Ponnaiah | 439d7b5 | 2017-03-21 11:20:36 +0530 | [diff] [blame] | 1173 | return QDF_STATUS_E_INVAL; |
| 1174 | } |
| 1175 | wlan_vdev_obj_unlock(vdev); |
| 1176 | |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1177 | if (qdf_is_macaddr_broadcast((struct qdf_mac_addr *)macaddr)) { |
| 1178 | crypto_params = wlan_crypto_vdev_get_comp_params(vdev, |
| 1179 | &crypto_priv); |
Jeff Johnson | f3a2b89 | 2019-03-20 12:07:03 -0700 | [diff] [blame] | 1180 | if (!crypto_priv) { |
Vignesh Mohan | 9d1c7a2 | 2018-08-20 16:35:00 +0530 | [diff] [blame] | 1181 | crypto_err("crypto_priv NULL"); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1182 | return QDF_STATUS_E_INVAL; |
| 1183 | } |
| 1184 | |
| 1185 | key = crypto_priv->key[key_idx]; |
| 1186 | if (!key) |
| 1187 | return QDF_STATUS_E_INVAL; |
| 1188 | } else { |
| 1189 | struct wlan_objmgr_peer *peer; |
Amir Patel | d338594 | 2018-05-03 23:01:08 +0530 | [diff] [blame] | 1190 | uint8_t pdev_id; |
| 1191 | |
| 1192 | pdev_id = wlan_objmgr_pdev_get_pdev_id( |
| 1193 | wlan_vdev_get_pdev(vdev)); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1194 | peer = wlan_objmgr_get_peer_by_mac_n_vdev( |
Amir Patel | d338594 | 2018-05-03 23:01:08 +0530 | [diff] [blame] | 1195 | psoc, pdev_id, |
Ashok Ponnaiah | 439d7b5 | 2017-03-21 11:20:36 +0530 | [diff] [blame] | 1196 | bssid_mac, |
Amir Patel | d338594 | 2018-05-03 23:01:08 +0530 | [diff] [blame] | 1197 | macaddr, |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1198 | WLAN_CRYPTO_ID); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1199 | |
Jeff Johnson | f3a2b89 | 2019-03-20 12:07:03 -0700 | [diff] [blame] | 1200 | if (!peer) { |
Vignesh Mohan | 9d1c7a2 | 2018-08-20 16:35:00 +0530 | [diff] [blame] | 1201 | crypto_err("peer NULL"); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1202 | return QDF_STATUS_E_INVAL; |
| 1203 | } |
| 1204 | crypto_params = wlan_crypto_peer_get_comp_params(peer, |
| 1205 | &crypto_priv); |
| 1206 | wlan_objmgr_peer_release_ref(peer, WLAN_CRYPTO_ID); |
Jeff Johnson | f3a2b89 | 2019-03-20 12:07:03 -0700 | [diff] [blame] | 1207 | if (!crypto_priv) { |
Vignesh Mohan | 9d1c7a2 | 2018-08-20 16:35:00 +0530 | [diff] [blame] | 1208 | crypto_err("crypto_priv NULL"); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1209 | return QDF_STATUS_E_INVAL; |
| 1210 | } |
| 1211 | |
| 1212 | key = crypto_priv->key[key_idx]; |
| 1213 | if (!key) |
| 1214 | return QDF_STATUS_E_INVAL; |
| 1215 | } |
| 1216 | if (!key->valid) |
| 1217 | return QDF_STATUS_E_INVAL; |
| 1218 | |
Kiran Kumar Lokere | 25531c4 | 2018-09-19 13:48:48 -0700 | [diff] [blame] | 1219 | if (wlan_crypto_set_default_key(vdev, key_idx, macaddr) != |
| 1220 | QDF_STATUS_SUCCESS) |
| 1221 | return QDF_STATUS_E_INVAL; |
Ashok Ponnaiah | 13e9f9b | 2017-03-14 04:45:29 +0530 | [diff] [blame] | 1222 | crypto_priv->def_tx_keyid = key_idx; |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1223 | |
| 1224 | return QDF_STATUS_SUCCESS; |
| 1225 | } |
| 1226 | |
| 1227 | /** |
| 1228 | * wlan_crypto_encap - called by mgmt for encap the frame based on cipher |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1229 | * @vdev: vdev |
| 1230 | * @wbuf: wbuf |
| 1231 | * @macaddr: macaddr |
| 1232 | * @encapdone: is encapdone already or not. |
Ashok Ponnaiah | f995360 | 2018-01-11 15:39:26 +0530 | [diff] [blame] | 1233 | * |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1234 | * This function gets called from mgmt txrx to encap frame. |
| 1235 | * |
| 1236 | * Return: QDF_STATUS_SUCCESS - in case of success |
| 1237 | */ |
| 1238 | QDF_STATUS wlan_crypto_encap(struct wlan_objmgr_vdev *vdev, |
| 1239 | qdf_nbuf_t wbuf, |
| 1240 | uint8_t *mac_addr, |
| 1241 | uint8_t encapdone){ |
| 1242 | struct wlan_crypto_comp_priv *crypto_priv; |
| 1243 | struct wlan_crypto_params *crypto_params; |
| 1244 | struct wlan_crypto_key *key; |
| 1245 | QDF_STATUS status; |
| 1246 | struct wlan_crypto_cipher *cipher_table; |
Ashok Ponnaiah | 439d7b5 | 2017-03-21 11:20:36 +0530 | [diff] [blame] | 1247 | struct wlan_objmgr_psoc *psoc; |
Subrat Mishra | 2b75d6d | 2017-08-07 17:36:25 +0530 | [diff] [blame] | 1248 | struct wlan_objmgr_peer *peer; |
Disha Das | df10f65 | 2018-12-10 16:20:56 +0530 | [diff] [blame] | 1249 | uint8_t bssid_mac[QDF_MAC_ADDR_SIZE]; |
Amir Patel | d338594 | 2018-05-03 23:01:08 +0530 | [diff] [blame] | 1250 | uint8_t pdev_id; |
Padma Raghunathan | 6ac6143 | 2018-04-27 15:01:25 +0530 | [diff] [blame] | 1251 | uint8_t hdrlen; |
| 1252 | enum QDF_OPMODE opmode; |
Ashok Ponnaiah | 439d7b5 | 2017-03-21 11:20:36 +0530 | [diff] [blame] | 1253 | |
Padma Raghunathan | 6ac6143 | 2018-04-27 15:01:25 +0530 | [diff] [blame] | 1254 | opmode = wlan_vdev_mlme_get_opmode(vdev); |
Ashok Ponnaiah | 439d7b5 | 2017-03-21 11:20:36 +0530 | [diff] [blame] | 1255 | wlan_vdev_obj_lock(vdev); |
Disha Das | df10f65 | 2018-12-10 16:20:56 +0530 | [diff] [blame] | 1256 | qdf_mem_copy(bssid_mac, wlan_vdev_mlme_get_macaddr(vdev), |
| 1257 | QDF_MAC_ADDR_SIZE); |
Ashok Ponnaiah | 439d7b5 | 2017-03-21 11:20:36 +0530 | [diff] [blame] | 1258 | psoc = wlan_vdev_get_psoc(vdev); |
| 1259 | if (!psoc) { |
| 1260 | wlan_vdev_obj_unlock(vdev); |
Vignesh Mohan | 9d1c7a2 | 2018-08-20 16:35:00 +0530 | [diff] [blame] | 1261 | crypto_err("psoc NULL"); |
Ashok Ponnaiah | 439d7b5 | 2017-03-21 11:20:36 +0530 | [diff] [blame] | 1262 | return QDF_STATUS_E_INVAL; |
| 1263 | } |
| 1264 | wlan_vdev_obj_unlock(vdev); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1265 | |
Amir Patel | d338594 | 2018-05-03 23:01:08 +0530 | [diff] [blame] | 1266 | pdev_id = wlan_objmgr_pdev_get_pdev_id(wlan_vdev_get_pdev(vdev)); |
Subrat Mishra | 2b75d6d | 2017-08-07 17:36:25 +0530 | [diff] [blame] | 1267 | /* FILS Encap required only for (Re-)Assoc response */ |
Amir Patel | d338594 | 2018-05-03 23:01:08 +0530 | [diff] [blame] | 1268 | peer = wlan_objmgr_get_peer(psoc, pdev_id, mac_addr, WLAN_CRYPTO_ID); |
Subrat Mishra | 2b75d6d | 2017-08-07 17:36:25 +0530 | [diff] [blame] | 1269 | |
| 1270 | if (!wlan_crypto_is_data_protected((uint8_t *)qdf_nbuf_data(wbuf)) && |
| 1271 | peer && !wlan_crypto_get_peer_fils_aead(peer)) { |
| 1272 | wlan_objmgr_peer_release_ref(peer, WLAN_CRYPTO_ID); |
| 1273 | return QDF_STATUS_E_INVAL; |
| 1274 | } |
| 1275 | |
| 1276 | if (peer) |
| 1277 | wlan_objmgr_peer_release_ref(peer, WLAN_CRYPTO_ID); |
| 1278 | |
Keyur Parekh | 4138686 | 2018-04-09 23:31:39 -0700 | [diff] [blame] | 1279 | if (qdf_is_macaddr_group((struct qdf_mac_addr *)mac_addr)) { |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1280 | crypto_params = wlan_crypto_vdev_get_comp_params(vdev, |
| 1281 | &crypto_priv); |
Jeff Johnson | f3a2b89 | 2019-03-20 12:07:03 -0700 | [diff] [blame] | 1282 | if (!crypto_priv) { |
Vignesh Mohan | 9d1c7a2 | 2018-08-20 16:35:00 +0530 | [diff] [blame] | 1283 | crypto_err("crypto_priv NULL"); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1284 | return QDF_STATUS_E_INVAL; |
| 1285 | } |
| 1286 | |
| 1287 | key = crypto_priv->key[crypto_priv->def_tx_keyid]; |
| 1288 | if (!key) |
| 1289 | return QDF_STATUS_E_INVAL; |
| 1290 | |
| 1291 | } else { |
| 1292 | struct wlan_objmgr_peer *peer; |
Amir Patel | d338594 | 2018-05-03 23:01:08 +0530 | [diff] [blame] | 1293 | uint8_t pdev_id; |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1294 | |
Amir Patel | d338594 | 2018-05-03 23:01:08 +0530 | [diff] [blame] | 1295 | pdev_id = wlan_objmgr_pdev_get_pdev_id( |
| 1296 | wlan_vdev_get_pdev(vdev)); |
| 1297 | peer = wlan_objmgr_get_peer_by_mac_n_vdev(psoc, pdev_id, |
| 1298 | bssid_mac, mac_addr, |
| 1299 | WLAN_CRYPTO_ID); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1300 | |
Jeff Johnson | f3a2b89 | 2019-03-20 12:07:03 -0700 | [diff] [blame] | 1301 | if (!peer) { |
Vignesh Mohan | 9d1c7a2 | 2018-08-20 16:35:00 +0530 | [diff] [blame] | 1302 | crypto_err("crypto_priv NULL"); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1303 | return QDF_STATUS_E_INVAL; |
| 1304 | } |
| 1305 | crypto_params = wlan_crypto_peer_get_comp_params(peer, |
| 1306 | &crypto_priv); |
| 1307 | wlan_objmgr_peer_release_ref(peer, WLAN_CRYPTO_ID); |
| 1308 | |
Jeff Johnson | f3a2b89 | 2019-03-20 12:07:03 -0700 | [diff] [blame] | 1309 | if (!crypto_priv) { |
Vignesh Mohan | 9d1c7a2 | 2018-08-20 16:35:00 +0530 | [diff] [blame] | 1310 | crypto_err("crypto_priv NULL"); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1311 | return QDF_STATUS_E_INVAL; |
| 1312 | } |
| 1313 | |
| 1314 | key = crypto_priv->key[crypto_priv->def_tx_keyid]; |
| 1315 | if (!key) |
| 1316 | return QDF_STATUS_E_INVAL; |
| 1317 | } |
Padma Raghunathan | 6ac6143 | 2018-04-27 15:01:25 +0530 | [diff] [blame] | 1318 | if (opmode == QDF_MONITOR_MODE) |
| 1319 | hdrlen = ieee80211_hdrsize((uint8_t *)qdf_nbuf_data(wbuf)); |
| 1320 | else |
| 1321 | hdrlen = ieee80211_hdrspace(wlan_vdev_get_pdev(vdev), |
| 1322 | (uint8_t *)qdf_nbuf_data(wbuf)); |
| 1323 | |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1324 | /* if tkip, is counter measures enabled, then drop the frame */ |
| 1325 | cipher_table = (struct wlan_crypto_cipher *)key->cipher_table; |
| 1326 | status = cipher_table->encap(key, wbuf, encapdone, |
Padma Raghunathan | 6ac6143 | 2018-04-27 15:01:25 +0530 | [diff] [blame] | 1327 | hdrlen); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1328 | |
| 1329 | return status; |
| 1330 | } |
Manikandan Mohan | a2993a5 | 2018-03-01 16:21:55 -0800 | [diff] [blame] | 1331 | qdf_export_symbol(wlan_crypto_encap); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1332 | |
| 1333 | /** |
| 1334 | * wlan_crypto_decap - called by mgmt for decap the frame based on cipher |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1335 | * @vdev: vdev |
| 1336 | * @wbuf: wbuf |
| 1337 | * @macaddr: macaddr |
| 1338 | * @tid: tid of the frame |
Ashok Ponnaiah | f995360 | 2018-01-11 15:39:26 +0530 | [diff] [blame] | 1339 | * |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1340 | * This function gets called from mgmt txrx to decap frame. |
| 1341 | * |
| 1342 | * Return: QDF_STATUS_SUCCESS - in case of success |
| 1343 | */ |
| 1344 | QDF_STATUS wlan_crypto_decap(struct wlan_objmgr_vdev *vdev, |
| 1345 | qdf_nbuf_t wbuf, |
| 1346 | uint8_t *mac_addr, |
| 1347 | uint8_t tid){ |
| 1348 | struct wlan_crypto_comp_priv *crypto_priv; |
| 1349 | struct wlan_crypto_params *crypto_params; |
| 1350 | struct wlan_crypto_key *key; |
| 1351 | QDF_STATUS status; |
| 1352 | struct wlan_crypto_cipher *cipher_table; |
Ashok Ponnaiah | 439d7b5 | 2017-03-21 11:20:36 +0530 | [diff] [blame] | 1353 | struct wlan_objmgr_psoc *psoc; |
Subrat Mishra | 2b75d6d | 2017-08-07 17:36:25 +0530 | [diff] [blame] | 1354 | struct wlan_objmgr_peer *peer; |
Disha Das | df10f65 | 2018-12-10 16:20:56 +0530 | [diff] [blame] | 1355 | uint8_t bssid_mac[QDF_MAC_ADDR_SIZE]; |
Ashok Ponnaiah | e25c64c | 2018-04-09 15:34:14 +0530 | [diff] [blame] | 1356 | uint8_t keyid; |
Amir Patel | d338594 | 2018-05-03 23:01:08 +0530 | [diff] [blame] | 1357 | uint8_t pdev_id; |
Padma Raghunathan | 6ac6143 | 2018-04-27 15:01:25 +0530 | [diff] [blame] | 1358 | uint8_t hdrlen; |
| 1359 | enum QDF_OPMODE opmode; |
Ashok Ponnaiah | 439d7b5 | 2017-03-21 11:20:36 +0530 | [diff] [blame] | 1360 | |
Padma Raghunathan | 6ac6143 | 2018-04-27 15:01:25 +0530 | [diff] [blame] | 1361 | opmode = wlan_vdev_mlme_get_opmode(vdev); |
Ashok Ponnaiah | 439d7b5 | 2017-03-21 11:20:36 +0530 | [diff] [blame] | 1362 | wlan_vdev_obj_lock(vdev); |
Disha Das | df10f65 | 2018-12-10 16:20:56 +0530 | [diff] [blame] | 1363 | qdf_mem_copy(bssid_mac, wlan_vdev_mlme_get_macaddr(vdev), |
| 1364 | QDF_MAC_ADDR_SIZE); |
Ashok Ponnaiah | 439d7b5 | 2017-03-21 11:20:36 +0530 | [diff] [blame] | 1365 | psoc = wlan_vdev_get_psoc(vdev); |
| 1366 | if (!psoc) { |
| 1367 | wlan_vdev_obj_unlock(vdev); |
Vignesh Mohan | 9d1c7a2 | 2018-08-20 16:35:00 +0530 | [diff] [blame] | 1368 | crypto_err("psoc NULL"); |
Ashok Ponnaiah | 439d7b5 | 2017-03-21 11:20:36 +0530 | [diff] [blame] | 1369 | return QDF_STATUS_E_INVAL; |
| 1370 | } |
| 1371 | wlan_vdev_obj_unlock(vdev); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1372 | |
Padma Raghunathan | 6ac6143 | 2018-04-27 15:01:25 +0530 | [diff] [blame] | 1373 | if (opmode == QDF_MONITOR_MODE) |
| 1374 | hdrlen = ieee80211_hdrsize((uint8_t *)qdf_nbuf_data(wbuf)); |
| 1375 | else |
| 1376 | hdrlen = ieee80211_hdrspace(wlan_vdev_get_pdev(vdev), |
| 1377 | (uint8_t *)qdf_nbuf_data(wbuf)); |
| 1378 | |
Padma Raghunathan | 51d1103 | 2018-04-09 10:21:37 +0530 | [diff] [blame] | 1379 | keyid = wlan_crypto_get_keyid((uint8_t *)qdf_nbuf_data(wbuf), hdrlen); |
Ashok Ponnaiah | e25c64c | 2018-04-09 15:34:14 +0530 | [diff] [blame] | 1380 | |
| 1381 | if (keyid >= WLAN_CRYPTO_MAXKEYIDX) |
| 1382 | return QDF_STATUS_E_INVAL; |
| 1383 | |
Amir Patel | d338594 | 2018-05-03 23:01:08 +0530 | [diff] [blame] | 1384 | pdev_id = wlan_objmgr_pdev_get_pdev_id(wlan_vdev_get_pdev(vdev)); |
Subrat Mishra | 2b75d6d | 2017-08-07 17:36:25 +0530 | [diff] [blame] | 1385 | /* FILS Decap required only for (Re-)Assoc request */ |
Amir Patel | d338594 | 2018-05-03 23:01:08 +0530 | [diff] [blame] | 1386 | peer = wlan_objmgr_get_peer(psoc, pdev_id, mac_addr, WLAN_CRYPTO_ID); |
Subrat Mishra | 2b75d6d | 2017-08-07 17:36:25 +0530 | [diff] [blame] | 1387 | |
| 1388 | if (!wlan_crypto_is_data_protected((uint8_t *)qdf_nbuf_data(wbuf)) && |
| 1389 | peer && !wlan_crypto_get_peer_fils_aead(peer)) { |
| 1390 | wlan_objmgr_peer_release_ref(peer, WLAN_CRYPTO_ID); |
| 1391 | return QDF_STATUS_E_INVAL; |
| 1392 | } |
| 1393 | |
| 1394 | if (peer) |
| 1395 | wlan_objmgr_peer_release_ref(peer, WLAN_CRYPTO_ID); |
| 1396 | |
Keyur Parekh | 4138686 | 2018-04-09 23:31:39 -0700 | [diff] [blame] | 1397 | if (qdf_is_macaddr_group((struct qdf_mac_addr *)mac_addr)) { |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1398 | crypto_params = wlan_crypto_vdev_get_comp_params(vdev, |
| 1399 | &crypto_priv); |
Jeff Johnson | f3a2b89 | 2019-03-20 12:07:03 -0700 | [diff] [blame] | 1400 | if (!crypto_priv) { |
Vignesh Mohan | 9d1c7a2 | 2018-08-20 16:35:00 +0530 | [diff] [blame] | 1401 | crypto_err("crypto_priv NULL"); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1402 | return QDF_STATUS_E_INVAL; |
| 1403 | } |
| 1404 | |
Ashok Ponnaiah | e25c64c | 2018-04-09 15:34:14 +0530 | [diff] [blame] | 1405 | key = crypto_priv->key[keyid]; |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1406 | if (!key) |
| 1407 | return QDF_STATUS_E_INVAL; |
| 1408 | |
| 1409 | } else { |
| 1410 | struct wlan_objmgr_peer *peer; |
Amir Patel | d338594 | 2018-05-03 23:01:08 +0530 | [diff] [blame] | 1411 | uint8_t pdev_id; |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1412 | |
Amir Patel | d338594 | 2018-05-03 23:01:08 +0530 | [diff] [blame] | 1413 | pdev_id = wlan_objmgr_pdev_get_pdev_id( |
| 1414 | wlan_vdev_get_pdev(vdev)); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1415 | peer = wlan_objmgr_get_peer_by_mac_n_vdev( |
Amir Patel | d338594 | 2018-05-03 23:01:08 +0530 | [diff] [blame] | 1416 | psoc, pdev_id, bssid_mac, |
| 1417 | mac_addr, WLAN_CRYPTO_ID); |
Jeff Johnson | f3a2b89 | 2019-03-20 12:07:03 -0700 | [diff] [blame] | 1418 | if (!peer) { |
Vignesh Mohan | 9d1c7a2 | 2018-08-20 16:35:00 +0530 | [diff] [blame] | 1419 | crypto_err("peer NULL"); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1420 | return QDF_STATUS_E_INVAL; |
| 1421 | } |
| 1422 | |
| 1423 | crypto_params = wlan_crypto_peer_get_comp_params(peer, |
| 1424 | &crypto_priv); |
| 1425 | wlan_objmgr_peer_release_ref(peer, WLAN_CRYPTO_ID); |
| 1426 | |
Jeff Johnson | f3a2b89 | 2019-03-20 12:07:03 -0700 | [diff] [blame] | 1427 | if (!crypto_priv) { |
Vignesh Mohan | 9d1c7a2 | 2018-08-20 16:35:00 +0530 | [diff] [blame] | 1428 | crypto_err("crypto_priv NULL"); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1429 | return QDF_STATUS_E_INVAL; |
| 1430 | } |
| 1431 | |
Ashok Ponnaiah | e25c64c | 2018-04-09 15:34:14 +0530 | [diff] [blame] | 1432 | key = crypto_priv->key[keyid]; |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1433 | if (!key) |
| 1434 | return QDF_STATUS_E_INVAL; |
| 1435 | } |
| 1436 | /* if tkip, is counter measures enabled, then drop the frame */ |
| 1437 | cipher_table = (struct wlan_crypto_cipher *)key->cipher_table; |
Padma Raghunathan | 6ac6143 | 2018-04-27 15:01:25 +0530 | [diff] [blame] | 1438 | status = cipher_table->decap(key, wbuf, tid, hdrlen); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1439 | |
| 1440 | return status; |
| 1441 | } |
Manikandan Mohan | a2993a5 | 2018-03-01 16:21:55 -0800 | [diff] [blame] | 1442 | qdf_export_symbol(wlan_crypto_decap); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1443 | /** |
| 1444 | * wlan_crypto_enmic - called by mgmt for adding mic in frame based on cipher |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1445 | * @vdev: vdev |
| 1446 | * @wbuf: wbuf |
| 1447 | * @macaddr: macaddr |
| 1448 | * @encapdone: is encapdone already or not. |
Ashok Ponnaiah | f995360 | 2018-01-11 15:39:26 +0530 | [diff] [blame] | 1449 | * |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1450 | * This function gets called from mgmt txrx to adding mic to the frame. |
| 1451 | * |
| 1452 | * Return: QDF_STATUS_SUCCESS - in case of success |
| 1453 | */ |
| 1454 | QDF_STATUS wlan_crypto_enmic(struct wlan_objmgr_vdev *vdev, |
| 1455 | qdf_nbuf_t wbuf, |
| 1456 | uint8_t *mac_addr, |
| 1457 | uint8_t encapdone){ |
| 1458 | struct wlan_crypto_comp_priv *crypto_priv; |
| 1459 | struct wlan_crypto_params *crypto_params; |
| 1460 | struct wlan_crypto_key *key; |
| 1461 | QDF_STATUS status; |
| 1462 | struct wlan_crypto_cipher *cipher_table; |
Ashok Ponnaiah | 439d7b5 | 2017-03-21 11:20:36 +0530 | [diff] [blame] | 1463 | struct wlan_objmgr_psoc *psoc; |
Disha Das | df10f65 | 2018-12-10 16:20:56 +0530 | [diff] [blame] | 1464 | uint8_t bssid_mac[QDF_MAC_ADDR_SIZE]; |
Padma Raghunathan | 6ac6143 | 2018-04-27 15:01:25 +0530 | [diff] [blame] | 1465 | uint8_t hdrlen; |
| 1466 | enum QDF_OPMODE opmode; |
| 1467 | |
| 1468 | opmode = wlan_vdev_mlme_get_opmode(vdev); |
Ashok Ponnaiah | 439d7b5 | 2017-03-21 11:20:36 +0530 | [diff] [blame] | 1469 | |
Amir Patel | d338594 | 2018-05-03 23:01:08 +0530 | [diff] [blame] | 1470 | |
Ashok Ponnaiah | 439d7b5 | 2017-03-21 11:20:36 +0530 | [diff] [blame] | 1471 | wlan_vdev_obj_lock(vdev); |
Disha Das | df10f65 | 2018-12-10 16:20:56 +0530 | [diff] [blame] | 1472 | qdf_mem_copy(bssid_mac, wlan_vdev_mlme_get_macaddr(vdev), |
| 1473 | QDF_MAC_ADDR_SIZE); |
Ashok Ponnaiah | 439d7b5 | 2017-03-21 11:20:36 +0530 | [diff] [blame] | 1474 | psoc = wlan_vdev_get_psoc(vdev); |
| 1475 | if (!psoc) { |
| 1476 | wlan_vdev_obj_unlock(vdev); |
Vignesh Mohan | 9d1c7a2 | 2018-08-20 16:35:00 +0530 | [diff] [blame] | 1477 | crypto_err("psoc NULL"); |
Ashok Ponnaiah | 439d7b5 | 2017-03-21 11:20:36 +0530 | [diff] [blame] | 1478 | return QDF_STATUS_E_INVAL; |
| 1479 | } |
| 1480 | wlan_vdev_obj_unlock(vdev); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1481 | |
| 1482 | if (qdf_is_macaddr_broadcast((struct qdf_mac_addr *)mac_addr)) { |
| 1483 | crypto_params = wlan_crypto_vdev_get_comp_params(vdev, |
| 1484 | &crypto_priv); |
Jeff Johnson | f3a2b89 | 2019-03-20 12:07:03 -0700 | [diff] [blame] | 1485 | if (!crypto_priv) { |
Vignesh Mohan | 9d1c7a2 | 2018-08-20 16:35:00 +0530 | [diff] [blame] | 1486 | crypto_err("crypto_priv NULL"); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1487 | return QDF_STATUS_E_INVAL; |
| 1488 | } |
| 1489 | |
| 1490 | key = crypto_priv->key[crypto_priv->def_tx_keyid]; |
| 1491 | if (!key) |
| 1492 | return QDF_STATUS_E_INVAL; |
| 1493 | |
| 1494 | } else { |
| 1495 | struct wlan_objmgr_peer *peer; |
Amir Patel | d338594 | 2018-05-03 23:01:08 +0530 | [diff] [blame] | 1496 | uint8_t pdev_id; |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1497 | |
Amir Patel | d338594 | 2018-05-03 23:01:08 +0530 | [diff] [blame] | 1498 | pdev_id = wlan_objmgr_pdev_get_pdev_id( |
| 1499 | wlan_vdev_get_pdev(vdev)); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1500 | peer = wlan_objmgr_get_peer_by_mac_n_vdev( |
Amir Patel | d338594 | 2018-05-03 23:01:08 +0530 | [diff] [blame] | 1501 | psoc, pdev_id, bssid_mac, |
| 1502 | mac_addr, WLAN_CRYPTO_ID); |
Jeff Johnson | f3a2b89 | 2019-03-20 12:07:03 -0700 | [diff] [blame] | 1503 | if (!peer) { |
Vignesh Mohan | 9d1c7a2 | 2018-08-20 16:35:00 +0530 | [diff] [blame] | 1504 | crypto_err("crypto_priv NULL"); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1505 | return QDF_STATUS_E_INVAL; |
| 1506 | } |
| 1507 | |
| 1508 | crypto_params = wlan_crypto_peer_get_comp_params(peer, |
| 1509 | &crypto_priv); |
| 1510 | wlan_objmgr_peer_release_ref(peer, WLAN_CRYPTO_ID); |
| 1511 | |
Jeff Johnson | f3a2b89 | 2019-03-20 12:07:03 -0700 | [diff] [blame] | 1512 | if (!crypto_priv) { |
Vignesh Mohan | 9d1c7a2 | 2018-08-20 16:35:00 +0530 | [diff] [blame] | 1513 | crypto_err("crypto_priv NULL"); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1514 | return QDF_STATUS_E_INVAL; |
| 1515 | } |
| 1516 | |
| 1517 | key = crypto_priv->key[crypto_priv->def_tx_keyid]; |
| 1518 | if (!key) |
| 1519 | return QDF_STATUS_E_INVAL; |
| 1520 | } |
Padma Raghunathan | 6ac6143 | 2018-04-27 15:01:25 +0530 | [diff] [blame] | 1521 | if (opmode == QDF_MONITOR_MODE) |
| 1522 | hdrlen = ieee80211_hdrsize((uint8_t *)qdf_nbuf_data(wbuf)); |
| 1523 | else |
| 1524 | hdrlen = ieee80211_hdrspace(wlan_vdev_get_pdev(vdev), |
| 1525 | (uint8_t *)qdf_nbuf_data(wbuf)); |
| 1526 | |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1527 | /* if tkip, is counter measures enabled, then drop the frame */ |
| 1528 | cipher_table = (struct wlan_crypto_cipher *)key->cipher_table; |
Padma Raghunathan | 6ac6143 | 2018-04-27 15:01:25 +0530 | [diff] [blame] | 1529 | status = cipher_table->enmic(key, wbuf, encapdone, hdrlen); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1530 | |
| 1531 | return status; |
| 1532 | } |
| 1533 | |
| 1534 | /** |
| 1535 | * wlan_crypto_demic - called by mgmt for remove and check mic for |
| 1536 | * the frame based on cipher |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1537 | * @vdev: vdev |
| 1538 | * @wbuf: wbuf |
| 1539 | * @macaddr: macaddr |
| 1540 | * @tid: tid of the frame |
Padma Raghunathan | 43ebaa7 | 2018-04-30 09:46:38 +0530 | [diff] [blame] | 1541 | * @keyid: keyid in the received frame |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1542 | * This function gets called from mgmt txrx to decap frame. |
| 1543 | * |
| 1544 | * Return: QDF_STATUS_SUCCESS - in case of success |
| 1545 | */ |
| 1546 | QDF_STATUS wlan_crypto_demic(struct wlan_objmgr_vdev *vdev, |
Padma Raghunathan | 43ebaa7 | 2018-04-30 09:46:38 +0530 | [diff] [blame] | 1547 | qdf_nbuf_t wbuf, |
| 1548 | uint8_t *mac_addr, |
| 1549 | uint8_t tid, |
| 1550 | uint8_t keyid){ |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1551 | struct wlan_crypto_comp_priv *crypto_priv; |
| 1552 | struct wlan_crypto_params *crypto_params; |
| 1553 | struct wlan_crypto_key *key; |
| 1554 | QDF_STATUS status; |
| 1555 | struct wlan_crypto_cipher *cipher_table; |
Ashok Ponnaiah | 439d7b5 | 2017-03-21 11:20:36 +0530 | [diff] [blame] | 1556 | struct wlan_objmgr_psoc *psoc; |
Disha Das | df10f65 | 2018-12-10 16:20:56 +0530 | [diff] [blame] | 1557 | uint8_t bssid_mac[QDF_MAC_ADDR_SIZE]; |
Padma Raghunathan | 6ac6143 | 2018-04-27 15:01:25 +0530 | [diff] [blame] | 1558 | uint8_t hdrlen; |
| 1559 | enum QDF_OPMODE opmode; |
Ashok Ponnaiah | 439d7b5 | 2017-03-21 11:20:36 +0530 | [diff] [blame] | 1560 | |
Padma Raghunathan | 6ac6143 | 2018-04-27 15:01:25 +0530 | [diff] [blame] | 1561 | opmode = wlan_vdev_mlme_get_opmode(vdev); |
| 1562 | |
| 1563 | if (opmode == QDF_MONITOR_MODE) |
| 1564 | hdrlen = ieee80211_hdrsize((uint8_t *)qdf_nbuf_data(wbuf)); |
| 1565 | else |
| 1566 | hdrlen = ieee80211_hdrspace(wlan_vdev_get_pdev(vdev), |
| 1567 | (uint8_t *)qdf_nbuf_data(wbuf)); |
Amir Patel | d338594 | 2018-05-03 23:01:08 +0530 | [diff] [blame] | 1568 | |
Ashok Ponnaiah | 439d7b5 | 2017-03-21 11:20:36 +0530 | [diff] [blame] | 1569 | wlan_vdev_obj_lock(vdev); |
Disha Das | df10f65 | 2018-12-10 16:20:56 +0530 | [diff] [blame] | 1570 | qdf_mem_copy(bssid_mac, wlan_vdev_mlme_get_macaddr(vdev), |
| 1571 | QDF_MAC_ADDR_SIZE); |
Ashok Ponnaiah | 439d7b5 | 2017-03-21 11:20:36 +0530 | [diff] [blame] | 1572 | psoc = wlan_vdev_get_psoc(vdev); |
| 1573 | if (!psoc) { |
| 1574 | wlan_vdev_obj_unlock(vdev); |
Vignesh Mohan | 9d1c7a2 | 2018-08-20 16:35:00 +0530 | [diff] [blame] | 1575 | crypto_err("psoc NULL"); |
Ashok Ponnaiah | 439d7b5 | 2017-03-21 11:20:36 +0530 | [diff] [blame] | 1576 | return QDF_STATUS_E_INVAL; |
| 1577 | } |
| 1578 | wlan_vdev_obj_unlock(vdev); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1579 | |
| 1580 | if (qdf_is_macaddr_broadcast((struct qdf_mac_addr *)mac_addr)) { |
| 1581 | crypto_params = wlan_crypto_vdev_get_comp_params(vdev, |
| 1582 | &crypto_priv); |
Jeff Johnson | f3a2b89 | 2019-03-20 12:07:03 -0700 | [diff] [blame] | 1583 | if (!crypto_priv) { |
Vignesh Mohan | 9d1c7a2 | 2018-08-20 16:35:00 +0530 | [diff] [blame] | 1584 | crypto_err("crypto_priv NULL"); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1585 | return QDF_STATUS_E_INVAL; |
| 1586 | } |
| 1587 | |
Padma Raghunathan | 43ebaa7 | 2018-04-30 09:46:38 +0530 | [diff] [blame] | 1588 | key = crypto_priv->key[keyid]; |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1589 | if (!key) |
| 1590 | return QDF_STATUS_E_INVAL; |
| 1591 | |
| 1592 | } else { |
| 1593 | struct wlan_objmgr_peer *peer; |
Amir Patel | d338594 | 2018-05-03 23:01:08 +0530 | [diff] [blame] | 1594 | uint8_t pdev_id; |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1595 | |
Amir Patel | d338594 | 2018-05-03 23:01:08 +0530 | [diff] [blame] | 1596 | pdev_id = wlan_objmgr_pdev_get_pdev_id( |
| 1597 | wlan_vdev_get_pdev(vdev)); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1598 | peer = wlan_objmgr_get_peer_by_mac_n_vdev( |
Amir Patel | d338594 | 2018-05-03 23:01:08 +0530 | [diff] [blame] | 1599 | psoc, pdev_id, bssid_mac, |
| 1600 | mac_addr, WLAN_CRYPTO_ID); |
Jeff Johnson | f3a2b89 | 2019-03-20 12:07:03 -0700 | [diff] [blame] | 1601 | if (!peer) { |
Vignesh Mohan | 9d1c7a2 | 2018-08-20 16:35:00 +0530 | [diff] [blame] | 1602 | crypto_err("peer NULL"); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1603 | return QDF_STATUS_E_INVAL; |
| 1604 | } |
| 1605 | |
| 1606 | crypto_params = wlan_crypto_peer_get_comp_params(peer, |
| 1607 | &crypto_priv); |
| 1608 | wlan_objmgr_peer_release_ref(peer, WLAN_CRYPTO_ID); |
| 1609 | |
Jeff Johnson | f3a2b89 | 2019-03-20 12:07:03 -0700 | [diff] [blame] | 1610 | if (!crypto_priv) { |
Vignesh Mohan | 9d1c7a2 | 2018-08-20 16:35:00 +0530 | [diff] [blame] | 1611 | crypto_err("crypto_priv NULL"); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1612 | return QDF_STATUS_E_INVAL; |
| 1613 | } |
| 1614 | |
Padma Raghunathan | 43ebaa7 | 2018-04-30 09:46:38 +0530 | [diff] [blame] | 1615 | key = crypto_priv->key[keyid]; |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1616 | if (!key) |
| 1617 | return QDF_STATUS_E_INVAL; |
| 1618 | } |
| 1619 | /* if tkip, is counter measures enabled, then drop the frame */ |
| 1620 | cipher_table = (struct wlan_crypto_cipher *)key->cipher_table; |
Padma Raghunathan | 6ac6143 | 2018-04-27 15:01:25 +0530 | [diff] [blame] | 1621 | status = cipher_table->demic(key, wbuf, tid, hdrlen); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1622 | |
| 1623 | return status; |
| 1624 | } |
| 1625 | |
| 1626 | /** |
Ashok Ponnaiah | 2a3df50 | 2017-07-07 17:01:41 +0530 | [diff] [blame] | 1627 | * wlan_crypto_vdev_is_pmf_enabled - called to check is pmf enabled in vdev |
Ashok Ponnaiah | 2a3df50 | 2017-07-07 17:01:41 +0530 | [diff] [blame] | 1628 | * @vdev: vdev |
| 1629 | * |
| 1630 | * This function gets called to check is pmf enabled or not in vdev. |
| 1631 | * |
| 1632 | * Return: true or false |
| 1633 | */ |
| 1634 | bool wlan_crypto_vdev_is_pmf_enabled(struct wlan_objmgr_vdev *vdev) |
| 1635 | { |
| 1636 | |
| 1637 | struct wlan_crypto_comp_priv *crypto_priv; |
| 1638 | struct wlan_crypto_params *vdev_crypto_params; |
| 1639 | |
| 1640 | if (!vdev) |
| 1641 | return false; |
| 1642 | vdev_crypto_params = wlan_crypto_vdev_get_comp_params(vdev, |
| 1643 | &crypto_priv); |
Jeff Johnson | f3a2b89 | 2019-03-20 12:07:03 -0700 | [diff] [blame] | 1644 | if (!crypto_priv) { |
Vignesh Mohan | 9d1c7a2 | 2018-08-20 16:35:00 +0530 | [diff] [blame] | 1645 | crypto_err("crypto_priv NULL"); |
Ashok Ponnaiah | 2a3df50 | 2017-07-07 17:01:41 +0530 | [diff] [blame] | 1646 | return QDF_STATUS_E_INVAL; |
| 1647 | } |
| 1648 | |
| 1649 | if ((vdev_crypto_params->rsn_caps & |
| 1650 | WLAN_CRYPTO_RSN_CAP_MFP_ENABLED) |
| 1651 | || (vdev_crypto_params->rsn_caps & |
| 1652 | WLAN_CRYPTO_RSN_CAP_MFP_REQUIRED)) { |
| 1653 | return true; |
| 1654 | } |
| 1655 | |
| 1656 | return false; |
| 1657 | } |
Min Liu | a3bad2b | 2019-03-25 11:48:49 +0800 | [diff] [blame] | 1658 | |
| 1659 | /** |
| 1660 | * wlan_crypto_vdev_is_pmf_required - called to check is pmf required in vdev |
| 1661 | * @vdev: vdev |
| 1662 | * |
| 1663 | * This function gets called to check is pmf required or not in vdev. |
| 1664 | * |
| 1665 | * Return: true or false |
| 1666 | */ |
| 1667 | bool wlan_crypto_vdev_is_pmf_required(struct wlan_objmgr_vdev *vdev) |
| 1668 | { |
| 1669 | struct wlan_crypto_comp_priv *crypto_priv; |
| 1670 | struct wlan_crypto_params *vdev_crypto_params; |
| 1671 | |
| 1672 | if (!vdev) |
| 1673 | return false; |
| 1674 | |
| 1675 | vdev_crypto_params = wlan_crypto_vdev_get_comp_params(vdev, |
| 1676 | &crypto_priv); |
| 1677 | if (!crypto_priv) { |
| 1678 | crypto_err("crypto_priv NULL"); |
| 1679 | return QDF_STATUS_E_INVAL; |
| 1680 | } |
| 1681 | |
| 1682 | if (vdev_crypto_params->rsn_caps & WLAN_CRYPTO_RSN_CAP_MFP_REQUIRED) |
| 1683 | return true; |
| 1684 | |
| 1685 | return false; |
| 1686 | } |
| 1687 | |
Ashok Ponnaiah | 2a3df50 | 2017-07-07 17:01:41 +0530 | [diff] [blame] | 1688 | /** |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1689 | * wlan_crypto_is_pmf_enabled - called by mgmt txrx to check is pmf enabled |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1690 | * @vdev: vdev |
| 1691 | * @peer: peer |
| 1692 | * |
| 1693 | * This function gets called by mgmt txrx to check is pmf enabled or not. |
| 1694 | * |
| 1695 | * Return: true or false |
| 1696 | */ |
| 1697 | bool wlan_crypto_is_pmf_enabled(struct wlan_objmgr_vdev *vdev, |
| 1698 | struct wlan_objmgr_peer *peer){ |
| 1699 | |
| 1700 | struct wlan_crypto_comp_priv *crypto_priv; |
| 1701 | struct wlan_crypto_params *vdev_crypto_params; |
| 1702 | struct wlan_crypto_params *peer_crypto_params; |
| 1703 | |
| 1704 | if (!vdev || !peer) |
| 1705 | return false; |
| 1706 | vdev_crypto_params = wlan_crypto_vdev_get_comp_params(vdev, |
| 1707 | &crypto_priv); |
Jeff Johnson | f3a2b89 | 2019-03-20 12:07:03 -0700 | [diff] [blame] | 1708 | if (!crypto_priv) { |
Vignesh Mohan | 9d1c7a2 | 2018-08-20 16:35:00 +0530 | [diff] [blame] | 1709 | crypto_err("crypto_priv NULL"); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1710 | return QDF_STATUS_E_INVAL; |
| 1711 | } |
| 1712 | |
| 1713 | peer_crypto_params = wlan_crypto_peer_get_comp_params(peer, |
| 1714 | &crypto_priv); |
Jeff Johnson | f3a2b89 | 2019-03-20 12:07:03 -0700 | [diff] [blame] | 1715 | if (!crypto_priv) { |
Vignesh Mohan | 9d1c7a2 | 2018-08-20 16:35:00 +0530 | [diff] [blame] | 1716 | crypto_err("crypto_priv NULL"); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1717 | return QDF_STATUS_E_INVAL; |
| 1718 | } |
| 1719 | if (((vdev_crypto_params->rsn_caps & |
| 1720 | WLAN_CRYPTO_RSN_CAP_MFP_ENABLED) && |
Ashok Ponnaiah | 2a3df50 | 2017-07-07 17:01:41 +0530 | [diff] [blame] | 1721 | (peer_crypto_params->rsn_caps & |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1722 | WLAN_CRYPTO_RSN_CAP_MFP_ENABLED)) |
| 1723 | || (vdev_crypto_params->rsn_caps & |
| 1724 | WLAN_CRYPTO_RSN_CAP_MFP_REQUIRED)) { |
| 1725 | return true; |
| 1726 | } |
| 1727 | |
| 1728 | return false; |
| 1729 | } |
Ashok Ponnaiah | 7a41e8c | 2017-12-28 17:13:40 +0530 | [diff] [blame] | 1730 | |
Disha Das | 07721fc | 2019-07-26 10:49:12 +0530 | [diff] [blame] | 1731 | /** |
| 1732 | * wlan_crypto_is_key_valid - called by mgmt txrx to check if key is valid |
| 1733 | * @vdev: vdev |
| 1734 | * @peer: peer |
| 1735 | * @keyidx : key index |
| 1736 | * |
| 1737 | * This function gets called by mgmt txrx to check if key is valid |
| 1738 | * |
| 1739 | * Return: true or false |
| 1740 | */ |
| 1741 | bool wlan_crypto_is_key_valid(struct wlan_objmgr_vdev *vdev, |
| 1742 | struct wlan_objmgr_peer *peer, |
| 1743 | uint16_t keyidx) |
| 1744 | { |
| 1745 | struct wlan_crypto_key *key = NULL; |
| 1746 | |
| 1747 | if (!vdev && !peer) |
| 1748 | return false; |
| 1749 | |
| 1750 | if (peer) |
| 1751 | key = wlan_crypto_peer_getkey(peer, keyidx); |
| 1752 | else if (vdev) |
| 1753 | key = wlan_crypto_vdev_getkey(vdev, keyidx); |
| 1754 | |
| 1755 | if ((key) && key->valid) |
| 1756 | return true; |
| 1757 | |
| 1758 | return false; |
| 1759 | } |
| 1760 | |
Ashok Ponnaiah | 7a41e8c | 2017-12-28 17:13:40 +0530 | [diff] [blame] | 1761 | static void wlan_crypto_gmac_pn_swap(uint8_t *a, uint8_t *b) |
| 1762 | { |
| 1763 | a[0] = b[5]; |
| 1764 | a[1] = b[4]; |
| 1765 | a[2] = b[3]; |
| 1766 | a[3] = b[2]; |
| 1767 | a[4] = b[1]; |
| 1768 | a[5] = b[0]; |
| 1769 | } |
| 1770 | |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1771 | /** |
| 1772 | * wlan_crypto_add_mmie - called by mgmt txrx to add mmie in frame |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1773 | * @vdev: vdev |
| 1774 | * @bfrm: frame starting pointer |
| 1775 | * @len: length of the frame |
| 1776 | * |
| 1777 | * This function gets called by mgmt txrx to add mmie in frame |
| 1778 | * |
| 1779 | * Return: end of frame or NULL in case failure |
| 1780 | */ |
| 1781 | uint8_t *wlan_crypto_add_mmie(struct wlan_objmgr_vdev *vdev, |
| 1782 | uint8_t *bfrm, |
| 1783 | uint32_t len) { |
| 1784 | struct wlan_crypto_key *key; |
Ashok Ponnaiah | 13e9f9b | 2017-03-14 04:45:29 +0530 | [diff] [blame] | 1785 | struct wlan_crypto_mmie *mmie; |
| 1786 | uint8_t *pn, *aad, *buf, *efrm, nounce[12]; |
Disha Das | df10f65 | 2018-12-10 16:20:56 +0530 | [diff] [blame] | 1787 | struct wlan_frame_hdr *hdr; |
Ashok Ponnaiah | 13e9f9b | 2017-03-14 04:45:29 +0530 | [diff] [blame] | 1788 | uint32_t i, hdrlen, mic_len, aad_len; |
Ashok Ponnaiah | 2a3df50 | 2017-07-07 17:01:41 +0530 | [diff] [blame] | 1789 | uint8_t mic[16]; |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1790 | struct wlan_crypto_comp_priv *crypto_priv; |
| 1791 | struct wlan_crypto_params *crypto_params; |
Disha Das | 55b86c2 | 2018-04-20 15:22:08 +0530 | [diff] [blame] | 1792 | int32_t ret = -1; |
Ashok Ponnaiah | 13e9f9b | 2017-03-14 04:45:29 +0530 | [diff] [blame] | 1793 | |
| 1794 | if (!bfrm) { |
Vignesh Mohan | 9d1c7a2 | 2018-08-20 16:35:00 +0530 | [diff] [blame] | 1795 | crypto_err("frame is NULL"); |
Ashok Ponnaiah | 13e9f9b | 2017-03-14 04:45:29 +0530 | [diff] [blame] | 1796 | return NULL; |
| 1797 | } |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1798 | |
| 1799 | crypto_params = wlan_crypto_vdev_get_comp_params(vdev, |
| 1800 | &crypto_priv); |
Jeff Johnson | f3a2b89 | 2019-03-20 12:07:03 -0700 | [diff] [blame] | 1801 | if (!crypto_priv) { |
Vignesh Mohan | 9d1c7a2 | 2018-08-20 16:35:00 +0530 | [diff] [blame] | 1802 | crypto_err("crypto_priv NULL"); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1803 | return NULL; |
| 1804 | } |
| 1805 | |
Disha Das | 76210cd | 2018-04-10 12:44:14 +0530 | [diff] [blame] | 1806 | if (crypto_priv->def_igtk_tx_keyid >= WLAN_CRYPTO_MAXIGTKKEYIDX) { |
Vignesh Mohan | 9d1c7a2 | 2018-08-20 16:35:00 +0530 | [diff] [blame] | 1807 | crypto_err("igtk key invalid keyid %d", |
| 1808 | crypto_priv->def_igtk_tx_keyid); |
Nandha Kishore Easwaran | b0ac369 | 2017-12-08 10:39:00 +0530 | [diff] [blame] | 1809 | return NULL; |
| 1810 | } |
| 1811 | |
| 1812 | key = crypto_priv->igtk_key[crypto_priv->def_igtk_tx_keyid]; |
Ashok Ponnaiah | 13e9f9b | 2017-03-14 04:45:29 +0530 | [diff] [blame] | 1813 | if (!key) { |
Vignesh Mohan | 9d1c7a2 | 2018-08-20 16:35:00 +0530 | [diff] [blame] | 1814 | crypto_err("No igtk key present"); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1815 | return NULL; |
| 1816 | } |
Ashok Ponnaiah | 13e9f9b | 2017-03-14 04:45:29 +0530 | [diff] [blame] | 1817 | mic_len = (crypto_priv->igtk_key_type |
| 1818 | == WLAN_CRYPTO_CIPHER_AES_CMAC) ? 8 : 16; |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1819 | |
| 1820 | efrm = bfrm + len; |
Ashok Ponnaiah | 13e9f9b | 2017-03-14 04:45:29 +0530 | [diff] [blame] | 1821 | aad_len = 20; |
Disha Das | df10f65 | 2018-12-10 16:20:56 +0530 | [diff] [blame] | 1822 | hdrlen = sizeof(struct wlan_frame_hdr); |
Ashok Ponnaiah | 2a3df50 | 2017-07-07 17:01:41 +0530 | [diff] [blame] | 1823 | len += sizeof(struct wlan_crypto_mmie); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1824 | |
Ashok Ponnaiah | 13e9f9b | 2017-03-14 04:45:29 +0530 | [diff] [blame] | 1825 | mmie = (struct wlan_crypto_mmie *) efrm; |
Ashok Ponnaiah | 2a3df50 | 2017-07-07 17:01:41 +0530 | [diff] [blame] | 1826 | qdf_mem_zero((unsigned char *)mmie, sizeof(*mmie)); |
Ashok Ponnaiah | 13e9f9b | 2017-03-14 04:45:29 +0530 | [diff] [blame] | 1827 | mmie->element_id = WLAN_ELEMID_MMIE; |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1828 | mmie->length = sizeof(*mmie) - 2; |
| 1829 | mmie->key_id = qdf_cpu_to_le16(key->keyix); |
| 1830 | |
Ashok Ponnaiah | 2a3df50 | 2017-07-07 17:01:41 +0530 | [diff] [blame] | 1831 | mic_len = (crypto_priv->igtk_key_type |
| 1832 | == WLAN_CRYPTO_CIPHER_AES_CMAC) ? 8 : 16; |
| 1833 | if (mic_len == 8) { |
| 1834 | mmie->length -= 8; |
| 1835 | len -= 8; |
| 1836 | } |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1837 | /* PN = PN + 1 */ |
| 1838 | pn = (uint8_t *)&key->keytsc; |
| 1839 | |
| 1840 | for (i = 0; i <= 5; i++) { |
| 1841 | pn[i]++; |
| 1842 | if (pn[i]) |
| 1843 | break; |
| 1844 | } |
| 1845 | |
| 1846 | /* Copy IPN */ |
| 1847 | qdf_mem_copy(mmie->sequence_number, pn, 6); |
| 1848 | |
Disha Das | df10f65 | 2018-12-10 16:20:56 +0530 | [diff] [blame] | 1849 | hdr = (struct wlan_frame_hdr *) bfrm; |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1850 | |
Ashok Ponnaiah | 2a3df50 | 2017-07-07 17:01:41 +0530 | [diff] [blame] | 1851 | buf = qdf_mem_malloc(len - hdrlen + 20); |
Madhvapathi Sriram | b73fc28 | 2019-01-07 09:12:25 +0530 | [diff] [blame] | 1852 | if (!buf) |
Ashok Ponnaiah | 13e9f9b | 2017-03-14 04:45:29 +0530 | [diff] [blame] | 1853 | return NULL; |
Madhvapathi Sriram | b73fc28 | 2019-01-07 09:12:25 +0530 | [diff] [blame] | 1854 | |
Ashok Ponnaiah | 2a3df50 | 2017-07-07 17:01:41 +0530 | [diff] [blame] | 1855 | qdf_mem_zero(buf, len - hdrlen + 20); |
Ashok Ponnaiah | 13e9f9b | 2017-03-14 04:45:29 +0530 | [diff] [blame] | 1856 | aad = buf; |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1857 | /* generate BIP AAD: FC(masked) || A1 || A2 || A3 */ |
| 1858 | |
| 1859 | /* FC type/subtype */ |
Disha Das | df10f65 | 2018-12-10 16:20:56 +0530 | [diff] [blame] | 1860 | aad[0] = hdr->i_fc[0]; |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1861 | /* Mask FC Retry, PwrMgt, MoreData flags to zero */ |
Disha Das | df10f65 | 2018-12-10 16:20:56 +0530 | [diff] [blame] | 1862 | aad[1] = (hdr->i_fc[1] & ~(WLAN_FC1_RETRY | WLAN_FC1_PWRMGT |
Padma Raghunathan | 9492161 | 2018-04-30 10:02:09 +0530 | [diff] [blame] | 1863 | | WLAN_FC1_MOREDATA)); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1864 | /* A1 || A2 || A3 */ |
Disha Das | df10f65 | 2018-12-10 16:20:56 +0530 | [diff] [blame] | 1865 | qdf_mem_copy(aad + 2, hdr->i_addr1, QDF_MAC_ADDR_SIZE); |
| 1866 | qdf_mem_copy(aad + 8, hdr->i_addr2, QDF_MAC_ADDR_SIZE); |
| 1867 | qdf_mem_copy(aad + 14, hdr->i_addr3, QDF_MAC_ADDR_SIZE); |
Ashok Ponnaiah | 2a3df50 | 2017-07-07 17:01:41 +0530 | [diff] [blame] | 1868 | qdf_mem_zero(mic, 16); |
| 1869 | |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1870 | /* |
| 1871 | * MIC = AES-128-CMAC(IGTK, AAD || Management Frame Body || MMIE, 64) |
| 1872 | */ |
Ashok Ponnaiah | 2a3df50 | 2017-07-07 17:01:41 +0530 | [diff] [blame] | 1873 | |
| 1874 | qdf_mem_copy(buf + aad_len, bfrm + hdrlen, len - hdrlen); |
Ashok Ponnaiah | 13e9f9b | 2017-03-14 04:45:29 +0530 | [diff] [blame] | 1875 | if (crypto_priv->igtk_key_type == WLAN_CRYPTO_CIPHER_AES_CMAC) { |
Ashok Ponnaiah | 2a3df50 | 2017-07-07 17:01:41 +0530 | [diff] [blame] | 1876 | |
Ashok Ponnaiah | 13e9f9b | 2017-03-14 04:45:29 +0530 | [diff] [blame] | 1877 | ret = omac1_aes_128(key->keyval, buf, |
Ashok Ponnaiah | 2a3df50 | 2017-07-07 17:01:41 +0530 | [diff] [blame] | 1878 | len + aad_len - hdrlen, mic); |
| 1879 | qdf_mem_copy(mmie->mic, mic, 8); |
| 1880 | |
Ashok Ponnaiah | 13e9f9b | 2017-03-14 04:45:29 +0530 | [diff] [blame] | 1881 | } else if (crypto_priv->igtk_key_type |
| 1882 | == WLAN_CRYPTO_CIPHER_AES_CMAC_256) { |
Ashok Ponnaiah | 2a3df50 | 2017-07-07 17:01:41 +0530 | [diff] [blame] | 1883 | |
Ashok Ponnaiah | 13e9f9b | 2017-03-14 04:45:29 +0530 | [diff] [blame] | 1884 | ret = omac1_aes_256(key->keyval, buf, |
| 1885 | len + aad_len - hdrlen, mmie->mic); |
| 1886 | } else if ((crypto_priv->igtk_key_type == WLAN_CRYPTO_CIPHER_AES_GMAC) |
| 1887 | || (crypto_priv->igtk_key_type |
| 1888 | == WLAN_CRYPTO_CIPHER_AES_GMAC_256)) { |
Ashok Ponnaiah | 2a3df50 | 2017-07-07 17:01:41 +0530 | [diff] [blame] | 1889 | |
Disha Das | df10f65 | 2018-12-10 16:20:56 +0530 | [diff] [blame] | 1890 | qdf_mem_copy(nounce, hdr->i_addr2, QDF_MAC_ADDR_SIZE); |
Ashok Ponnaiah | 7a41e8c | 2017-12-28 17:13:40 +0530 | [diff] [blame] | 1891 | wlan_crypto_gmac_pn_swap(nounce + 6, pn); |
Ashok Ponnaiah | 13e9f9b | 2017-03-14 04:45:29 +0530 | [diff] [blame] | 1892 | ret = wlan_crypto_aes_gmac(key->keyval, key->keylen, nounce, |
| 1893 | sizeof(nounce), buf, |
| 1894 | len + aad_len - hdrlen, mmie->mic); |
| 1895 | } |
| 1896 | qdf_mem_free(buf); |
| 1897 | if (ret < 0) { |
Vignesh Mohan | 9d1c7a2 | 2018-08-20 16:35:00 +0530 | [diff] [blame] | 1898 | crypto_err("add mmie failed"); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1899 | return NULL; |
| 1900 | } |
| 1901 | |
| 1902 | return bfrm + len; |
| 1903 | } |
| 1904 | |
| 1905 | /** |
| 1906 | * wlan_crypto_is_mmie_valid - called by mgmt txrx to check mmie of the frame |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1907 | * @vdev: vdev |
| 1908 | * @frm: frame starting pointer |
| 1909 | * @efrm: end of frame pointer |
| 1910 | * |
| 1911 | * This function gets called by mgmt txrx to check mmie of the frame |
| 1912 | * |
| 1913 | * Return: true or false |
| 1914 | */ |
| 1915 | bool wlan_crypto_is_mmie_valid(struct wlan_objmgr_vdev *vdev, |
| 1916 | uint8_t *frm, |
| 1917 | uint8_t *efrm){ |
Ashok Ponnaiah | 13e9f9b | 2017-03-14 04:45:29 +0530 | [diff] [blame] | 1918 | struct wlan_crypto_mmie *mmie = NULL; |
| 1919 | uint8_t *ipn, *aad, *buf, mic[16], nounce[12]; |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1920 | struct wlan_crypto_key *key; |
Disha Das | df10f65 | 2018-12-10 16:20:56 +0530 | [diff] [blame] | 1921 | struct wlan_frame_hdr *hdr; |
Ashok Ponnaiah | 13e9f9b | 2017-03-14 04:45:29 +0530 | [diff] [blame] | 1922 | uint16_t mic_len, hdrlen, len; |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1923 | struct wlan_crypto_comp_priv *crypto_priv; |
| 1924 | struct wlan_crypto_params *crypto_params; |
Ashok Ponnaiah | 13e9f9b | 2017-03-14 04:45:29 +0530 | [diff] [blame] | 1925 | uint8_t aad_len = 20; |
Disha Das | 55b86c2 | 2018-04-20 15:22:08 +0530 | [diff] [blame] | 1926 | int32_t ret = -1; |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1927 | |
| 1928 | /* check if frame is illegal length */ |
Ashok Ponnaiah | 13e9f9b | 2017-03-14 04:45:29 +0530 | [diff] [blame] | 1929 | if (!frm || !efrm || (efrm < frm) |
Disha Das | df10f65 | 2018-12-10 16:20:56 +0530 | [diff] [blame] | 1930 | || ((efrm - frm) < sizeof(struct wlan_frame_hdr))) { |
Vignesh Mohan | 9d1c7a2 | 2018-08-20 16:35:00 +0530 | [diff] [blame] | 1931 | crypto_err("Invalid params"); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1932 | return false; |
Ashok Ponnaiah | 13e9f9b | 2017-03-14 04:45:29 +0530 | [diff] [blame] | 1933 | } |
| 1934 | len = efrm - frm; |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1935 | crypto_priv = (struct wlan_crypto_comp_priv *) |
| 1936 | wlan_get_vdev_crypto_obj(vdev); |
Jeff Johnson | f3a2b89 | 2019-03-20 12:07:03 -0700 | [diff] [blame] | 1937 | if (!crypto_priv) { |
Vignesh Mohan | 9d1c7a2 | 2018-08-20 16:35:00 +0530 | [diff] [blame] | 1938 | crypto_err("crypto_priv NULL"); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1939 | return false; |
| 1940 | } |
| 1941 | |
| 1942 | crypto_params = &(crypto_priv->crypto_params); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1943 | |
Ashok Ponnaiah | 13e9f9b | 2017-03-14 04:45:29 +0530 | [diff] [blame] | 1944 | |
| 1945 | mic_len = (crypto_priv->igtk_key_type |
| 1946 | == WLAN_CRYPTO_CIPHER_AES_CMAC) ? 8 : 16; |
Disha Das | df10f65 | 2018-12-10 16:20:56 +0530 | [diff] [blame] | 1947 | hdrlen = sizeof(struct wlan_frame_hdr); |
Ashok Ponnaiah | 13e9f9b | 2017-03-14 04:45:29 +0530 | [diff] [blame] | 1948 | |
| 1949 | if (mic_len == 8) |
| 1950 | mmie = (struct wlan_crypto_mmie *)(efrm - sizeof(*mmie) + 8); |
| 1951 | else |
| 1952 | mmie = (struct wlan_crypto_mmie *)(efrm - sizeof(*mmie)); |
| 1953 | |
| 1954 | |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1955 | /* check Elem ID*/ |
Jeff Johnson | f3a2b89 | 2019-03-20 12:07:03 -0700 | [diff] [blame] | 1956 | if ((!mmie) || (mmie->element_id != WLAN_ELEMID_MMIE)) { |
Vignesh Mohan | 9d1c7a2 | 2018-08-20 16:35:00 +0530 | [diff] [blame] | 1957 | crypto_err("IE is not MMIE"); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1958 | return false; |
| 1959 | } |
| 1960 | |
Disha Das | 76210cd | 2018-04-10 12:44:14 +0530 | [diff] [blame] | 1961 | if (mmie->key_id >= (WLAN_CRYPTO_MAXKEYIDX + |
Disha Das | 55b86c2 | 2018-04-20 15:22:08 +0530 | [diff] [blame] | 1962 | WLAN_CRYPTO_MAXIGTKKEYIDX) || |
| 1963 | (mmie->key_id < WLAN_CRYPTO_MAXKEYIDX)) { |
Vignesh Mohan | 9d1c7a2 | 2018-08-20 16:35:00 +0530 | [diff] [blame] | 1964 | crypto_err("keyid not valid"); |
Nandha Kishore Easwaran | b0ac369 | 2017-12-08 10:39:00 +0530 | [diff] [blame] | 1965 | return false; |
| 1966 | } |
| 1967 | |
| 1968 | key = crypto_priv->igtk_key[mmie->key_id - WLAN_CRYPTO_MAXKEYIDX]; |
| 1969 | if (!key) { |
Vignesh Mohan | 9d1c7a2 | 2018-08-20 16:35:00 +0530 | [diff] [blame] | 1970 | crypto_err("No igtk key present"); |
Nandha Kishore Easwaran | b0ac369 | 2017-12-08 10:39:00 +0530 | [diff] [blame] | 1971 | return false; |
| 1972 | } |
| 1973 | |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1974 | /* validate ipn */ |
| 1975 | ipn = mmie->sequence_number; |
| 1976 | if (qdf_mem_cmp(ipn, key->keyrsc, 6) <= 0) { |
Vignesh Mohan | 9d1c7a2 | 2018-08-20 16:35:00 +0530 | [diff] [blame] | 1977 | uint8_t *su = (uint8_t *)key->keyrsc; |
| 1978 | uint8_t *end = ipn + 6; |
| 1979 | |
| 1980 | crypto_err("replay error :"); |
| 1981 | while (ipn < end) { |
| 1982 | crypto_err("expected pn = %x received pn = %x", |
| 1983 | *ipn++, *su++); |
| 1984 | } |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1985 | return false; |
| 1986 | } |
| 1987 | |
Ashok Ponnaiah | 2a3df50 | 2017-07-07 17:01:41 +0530 | [diff] [blame] | 1988 | buf = qdf_mem_malloc(len - hdrlen + 20); |
Madhvapathi Sriram | b73fc28 | 2019-01-07 09:12:25 +0530 | [diff] [blame] | 1989 | if (!buf) |
Ashok Ponnaiah | 13e9f9b | 2017-03-14 04:45:29 +0530 | [diff] [blame] | 1990 | return false; |
Madhvapathi Sriram | b73fc28 | 2019-01-07 09:12:25 +0530 | [diff] [blame] | 1991 | |
Ashok Ponnaiah | 13e9f9b | 2017-03-14 04:45:29 +0530 | [diff] [blame] | 1992 | aad = buf; |
| 1993 | |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1994 | /* construct AAD */ |
Disha Das | df10f65 | 2018-12-10 16:20:56 +0530 | [diff] [blame] | 1995 | hdr = (struct wlan_frame_hdr *)frm; |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 1996 | /* generate BIP AAD: FC(masked) || A1 || A2 || A3 */ |
| 1997 | |
| 1998 | /* FC type/subtype */ |
Disha Das | df10f65 | 2018-12-10 16:20:56 +0530 | [diff] [blame] | 1999 | aad[0] = hdr->i_fc[0]; |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 2000 | /* Mask FC Retry, PwrMgt, MoreData flags to zero */ |
Disha Das | df10f65 | 2018-12-10 16:20:56 +0530 | [diff] [blame] | 2001 | aad[1] = (hdr->i_fc[1] & ~(WLAN_FC1_RETRY | WLAN_FC1_PWRMGT |
Padma Raghunathan | 9492161 | 2018-04-30 10:02:09 +0530 | [diff] [blame] | 2002 | | WLAN_FC1_MOREDATA)); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 2003 | /* A1 || A2 || A3 */ |
Disha Das | df10f65 | 2018-12-10 16:20:56 +0530 | [diff] [blame] | 2004 | qdf_mem_copy(aad + 2, hdr->i_addr1, 3 * QDF_MAC_ADDR_SIZE); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 2005 | |
| 2006 | /* |
| 2007 | * MIC = AES-128-CMAC(IGTK, AAD || Management Frame Body || MMIE, 64) |
| 2008 | */ |
Ashok Ponnaiah | 13e9f9b | 2017-03-14 04:45:29 +0530 | [diff] [blame] | 2009 | qdf_mem_copy(buf + 20, frm + hdrlen, len - hdrlen); |
Ashok Ponnaiah | 2a3df50 | 2017-07-07 17:01:41 +0530 | [diff] [blame] | 2010 | qdf_mem_zero(buf + (len - hdrlen + 20 - mic_len), mic_len); |
| 2011 | qdf_mem_zero(mic, 16); |
Ashok Ponnaiah | 13e9f9b | 2017-03-14 04:45:29 +0530 | [diff] [blame] | 2012 | if (crypto_priv->igtk_key_type == WLAN_CRYPTO_CIPHER_AES_CMAC) { |
Ashok Ponnaiah | 13e9f9b | 2017-03-14 04:45:29 +0530 | [diff] [blame] | 2013 | ret = omac1_aes_128(key->keyval, buf, |
Ashok Ponnaiah | 2a3df50 | 2017-07-07 17:01:41 +0530 | [diff] [blame] | 2014 | len - hdrlen + aad_len, mic); |
Ashok Ponnaiah | 13e9f9b | 2017-03-14 04:45:29 +0530 | [diff] [blame] | 2015 | } else if (crypto_priv->igtk_key_type |
| 2016 | == WLAN_CRYPTO_CIPHER_AES_CMAC_256) { |
| 2017 | ret = omac1_aes_256(key->keyval, buf, |
| 2018 | len + aad_len - hdrlen, mic); |
| 2019 | } else if ((crypto_priv->igtk_key_type == WLAN_CRYPTO_CIPHER_AES_GMAC) |
| 2020 | || (crypto_priv->igtk_key_type |
| 2021 | == WLAN_CRYPTO_CIPHER_AES_GMAC_256)) { |
Disha Das | df10f65 | 2018-12-10 16:20:56 +0530 | [diff] [blame] | 2022 | qdf_mem_copy(nounce, hdr->i_addr2, QDF_MAC_ADDR_SIZE); |
Ashok Ponnaiah | 7a41e8c | 2017-12-28 17:13:40 +0530 | [diff] [blame] | 2023 | wlan_crypto_gmac_pn_swap(nounce + 6, ipn); |
Ashok Ponnaiah | 13e9f9b | 2017-03-14 04:45:29 +0530 | [diff] [blame] | 2024 | ret = wlan_crypto_aes_gmac(key->keyval, key->keylen, nounce, |
| 2025 | sizeof(nounce), buf, |
| 2026 | len + aad_len - hdrlen, mic); |
| 2027 | } |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 2028 | |
Ashok Ponnaiah | 13e9f9b | 2017-03-14 04:45:29 +0530 | [diff] [blame] | 2029 | qdf_mem_free(buf); |
| 2030 | |
| 2031 | if (ret < 0) { |
Vignesh Mohan | 9d1c7a2 | 2018-08-20 16:35:00 +0530 | [diff] [blame] | 2032 | crypto_err("genarate mmie failed"); |
Ashok Ponnaiah | 13e9f9b | 2017-03-14 04:45:29 +0530 | [diff] [blame] | 2033 | return false; |
| 2034 | } |
| 2035 | |
| 2036 | if (qdf_mem_cmp(mic, mmie->mic, mic_len) != 0) { |
Vignesh Mohan | 9d1c7a2 | 2018-08-20 16:35:00 +0530 | [diff] [blame] | 2037 | crypto_err("mmie mismatch"); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 2038 | /* MMIE MIC mismatch */ |
| 2039 | return false; |
Ashok Ponnaiah | 13e9f9b | 2017-03-14 04:45:29 +0530 | [diff] [blame] | 2040 | } |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 2041 | |
| 2042 | /* Update the receive sequence number */ |
| 2043 | qdf_mem_copy(key->keyrsc, ipn, 6); |
Vignesh Mohan | 9d1c7a2 | 2018-08-20 16:35:00 +0530 | [diff] [blame] | 2044 | crypto_debug("mmie matched"); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 2045 | |
| 2046 | return true; |
| 2047 | } |
| 2048 | |
| 2049 | |
| 2050 | static int32_t wlan_crypto_wpa_cipher_to_suite(uint32_t cipher) |
| 2051 | { |
| 2052 | int32_t status = -1; |
| 2053 | |
| 2054 | switch (cipher) { |
| 2055 | case WLAN_CRYPTO_CIPHER_TKIP: |
| 2056 | return WPA_CIPHER_SUITE_TKIP; |
| 2057 | case WLAN_CRYPTO_CIPHER_AES_CCM: |
| 2058 | return WPA_CIPHER_SUITE_CCMP; |
| 2059 | case WLAN_CRYPTO_CIPHER_NONE: |
| 2060 | return WPA_CIPHER_SUITE_NONE; |
| 2061 | } |
| 2062 | |
| 2063 | return status; |
| 2064 | } |
| 2065 | |
| 2066 | static int32_t wlan_crypto_rsn_cipher_to_suite(uint32_t cipher) |
| 2067 | { |
| 2068 | int32_t status = -1; |
| 2069 | |
| 2070 | switch (cipher) { |
| 2071 | case WLAN_CRYPTO_CIPHER_TKIP: |
| 2072 | return RSN_CIPHER_SUITE_TKIP; |
| 2073 | case WLAN_CRYPTO_CIPHER_AES_CCM: |
| 2074 | return RSN_CIPHER_SUITE_CCMP; |
| 2075 | case WLAN_CRYPTO_CIPHER_AES_CCM_256: |
| 2076 | return RSN_CIPHER_SUITE_CCMP_256; |
| 2077 | case WLAN_CRYPTO_CIPHER_AES_GCM: |
| 2078 | return RSN_CIPHER_SUITE_GCMP; |
| 2079 | case WLAN_CRYPTO_CIPHER_AES_GCM_256: |
| 2080 | return RSN_CIPHER_SUITE_GCMP_256; |
| 2081 | case WLAN_CRYPTO_CIPHER_AES_CMAC: |
| 2082 | return RSN_CIPHER_SUITE_AES_CMAC; |
| 2083 | case WLAN_CRYPTO_CIPHER_AES_CMAC_256: |
| 2084 | return RSN_CIPHER_SUITE_BIP_CMAC_256; |
| 2085 | case WLAN_CRYPTO_CIPHER_AES_GMAC: |
| 2086 | return RSN_CIPHER_SUITE_BIP_GMAC_128; |
| 2087 | case WLAN_CRYPTO_CIPHER_AES_GMAC_256: |
| 2088 | return RSN_CIPHER_SUITE_BIP_GMAC_256; |
| 2089 | case WLAN_CRYPTO_CIPHER_NONE: |
| 2090 | return RSN_CIPHER_SUITE_NONE; |
| 2091 | } |
| 2092 | |
| 2093 | return status; |
| 2094 | } |
| 2095 | |
| 2096 | /* |
| 2097 | * Convert an RSN key management/authentication algorithm |
| 2098 | * to an internal code. |
| 2099 | */ |
| 2100 | static int32_t |
| 2101 | wlan_crypto_rsn_keymgmt_to_suite(uint32_t keymgmt) |
| 2102 | { |
| 2103 | int32_t status = -1; |
| 2104 | |
| 2105 | switch (keymgmt) { |
| 2106 | case WLAN_CRYPTO_KEY_MGMT_NONE: |
| 2107 | return RSN_AUTH_KEY_MGMT_NONE; |
| 2108 | case WLAN_CRYPTO_KEY_MGMT_IEEE8021X: |
| 2109 | return RSN_AUTH_KEY_MGMT_UNSPEC_802_1X; |
| 2110 | case WLAN_CRYPTO_KEY_MGMT_PSK: |
| 2111 | return RSN_AUTH_KEY_MGMT_PSK_OVER_802_1X; |
| 2112 | case WLAN_CRYPTO_KEY_MGMT_FT_IEEE8021X: |
| 2113 | return RSN_AUTH_KEY_MGMT_FT_802_1X; |
| 2114 | case WLAN_CRYPTO_KEY_MGMT_FT_PSK: |
| 2115 | return RSN_AUTH_KEY_MGMT_FT_PSK; |
| 2116 | case WLAN_CRYPTO_KEY_MGMT_IEEE8021X_SHA256: |
| 2117 | return RSN_AUTH_KEY_MGMT_802_1X_SHA256; |
| 2118 | case WLAN_CRYPTO_KEY_MGMT_PSK_SHA256: |
| 2119 | return RSN_AUTH_KEY_MGMT_PSK_SHA256; |
| 2120 | case WLAN_CRYPTO_KEY_MGMT_SAE: |
| 2121 | return RSN_AUTH_KEY_MGMT_SAE; |
| 2122 | case WLAN_CRYPTO_KEY_MGMT_FT_SAE: |
| 2123 | return RSN_AUTH_KEY_MGMT_FT_SAE; |
| 2124 | case WLAN_CRYPTO_KEY_MGMT_IEEE8021X_SUITE_B: |
| 2125 | return RSN_AUTH_KEY_MGMT_802_1X_SUITE_B; |
| 2126 | case WLAN_CRYPTO_KEY_MGMT_IEEE8021X_SUITE_B_192: |
| 2127 | return RSN_AUTH_KEY_MGMT_802_1X_SUITE_B_192; |
| 2128 | case WLAN_CRYPTO_KEY_MGMT_CCKM: |
| 2129 | return RSN_AUTH_KEY_MGMT_CCKM; |
| 2130 | case WLAN_CRYPTO_KEY_MGMT_OSEN: |
| 2131 | return RSN_AUTH_KEY_MGMT_OSEN; |
Ashok Ponnaiah | c6d5910 | 2018-05-16 16:25:05 +0530 | [diff] [blame] | 2132 | case WLAN_CRYPTO_KEY_MGMT_FILS_SHA256: |
| 2133 | return RSN_AUTH_KEY_MGMT_FILS_SHA256; |
| 2134 | case WLAN_CRYPTO_KEY_MGMT_FILS_SHA384: |
| 2135 | return RSN_AUTH_KEY_MGMT_FILS_SHA384; |
| 2136 | case WLAN_CRYPTO_KEY_MGMT_FT_FILS_SHA256: |
| 2137 | return RSN_AUTH_KEY_MGMT_FT_FILS_SHA256; |
| 2138 | case WLAN_CRYPTO_KEY_MGMT_FT_FILS_SHA384: |
| 2139 | return RSN_AUTH_KEY_MGMT_FT_FILS_SHA384; |
| 2140 | case WLAN_CRYPTO_KEY_MGMT_OWE: |
| 2141 | return RSN_AUTH_KEY_MGMT_OWE; |
| 2142 | case WLAN_CRYPTO_KEY_MGMT_DPP: |
| 2143 | return RSN_AUTH_KEY_MGMT_DPP; |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 2144 | } |
| 2145 | |
| 2146 | return status; |
| 2147 | } |
| 2148 | |
| 2149 | /* |
| 2150 | * Convert an RSN key management/authentication algorithm |
| 2151 | * to an internal code. |
| 2152 | */ |
| 2153 | static int32_t |
| 2154 | wlan_crypto_wpa_keymgmt_to_suite(uint32_t keymgmt) |
| 2155 | { |
| 2156 | int32_t status = -1; |
| 2157 | |
| 2158 | switch (keymgmt) { |
| 2159 | case WLAN_CRYPTO_KEY_MGMT_NONE: |
| 2160 | return WPA_AUTH_KEY_MGMT_NONE; |
| 2161 | case WLAN_CRYPTO_KEY_MGMT_IEEE8021X: |
| 2162 | return WPA_AUTH_KEY_MGMT_UNSPEC_802_1X; |
| 2163 | case WLAN_CRYPTO_KEY_MGMT_PSK: |
| 2164 | return WPA_AUTH_KEY_MGMT_PSK_OVER_802_1X; |
| 2165 | case WLAN_CRYPTO_KEY_MGMT_CCKM: |
| 2166 | return WPA_AUTH_KEY_MGMT_CCKM; |
| 2167 | } |
| 2168 | |
| 2169 | return status; |
| 2170 | } |
| 2171 | /** |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 2172 | * Convert a WPA cipher selector OUI to an internal |
| 2173 | * cipher algorithm. Where appropriate we also |
| 2174 | * record any key length. |
| 2175 | */ |
Ashok Ponnaiah | 439d7b5 | 2017-03-21 11:20:36 +0530 | [diff] [blame] | 2176 | static int32_t wlan_crypto_wpa_suite_to_cipher(uint8_t *sel) |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 2177 | { |
Rohan Dutta | 8b8f00f | 2017-12-13 11:04:14 +0530 | [diff] [blame] | 2178 | uint32_t w = LE_READ_4(sel); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 2179 | int32_t status = -1; |
| 2180 | |
| 2181 | switch (w) { |
| 2182 | case WPA_CIPHER_SUITE_TKIP: |
| 2183 | return WLAN_CRYPTO_CIPHER_TKIP; |
| 2184 | case WPA_CIPHER_SUITE_CCMP: |
| 2185 | return WLAN_CRYPTO_CIPHER_AES_CCM; |
| 2186 | case WPA_CIPHER_SUITE_NONE: |
| 2187 | return WLAN_CRYPTO_CIPHER_NONE; |
| 2188 | } |
| 2189 | |
| 2190 | return status; |
| 2191 | } |
| 2192 | |
| 2193 | /* |
| 2194 | * Convert a WPA key management/authentication algorithm |
| 2195 | * to an internal code. |
| 2196 | */ |
| 2197 | static int32_t wlan_crypto_wpa_suite_to_keymgmt(uint8_t *sel) |
| 2198 | { |
Rohan Dutta | 8b8f00f | 2017-12-13 11:04:14 +0530 | [diff] [blame] | 2199 | uint32_t w = LE_READ_4(sel); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 2200 | int32_t status = -1; |
| 2201 | |
| 2202 | switch (w) { |
| 2203 | case WPA_AUTH_KEY_MGMT_UNSPEC_802_1X: |
| 2204 | return WLAN_CRYPTO_KEY_MGMT_IEEE8021X; |
| 2205 | case WPA_AUTH_KEY_MGMT_PSK_OVER_802_1X: |
| 2206 | return WLAN_CRYPTO_KEY_MGMT_PSK; |
| 2207 | case WPA_AUTH_KEY_MGMT_CCKM: |
| 2208 | return WLAN_CRYPTO_KEY_MGMT_CCKM; |
| 2209 | case WPA_AUTH_KEY_MGMT_NONE: |
| 2210 | return WLAN_CRYPTO_KEY_MGMT_NONE; |
| 2211 | } |
| 2212 | return status; |
| 2213 | } |
| 2214 | |
| 2215 | /* |
| 2216 | * Convert a RSN cipher selector OUI to an internal |
| 2217 | * cipher algorithm. Where appropriate we also |
| 2218 | * record any key length. |
| 2219 | */ |
| 2220 | static int32_t wlan_crypto_rsn_suite_to_cipher(uint8_t *sel) |
| 2221 | { |
Rohan Dutta | 8b8f00f | 2017-12-13 11:04:14 +0530 | [diff] [blame] | 2222 | uint32_t w = LE_READ_4(sel); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 2223 | int32_t status = -1; |
| 2224 | |
| 2225 | switch (w) { |
| 2226 | case RSN_CIPHER_SUITE_TKIP: |
| 2227 | return WLAN_CRYPTO_CIPHER_TKIP; |
| 2228 | case RSN_CIPHER_SUITE_CCMP: |
| 2229 | return WLAN_CRYPTO_CIPHER_AES_CCM; |
| 2230 | case RSN_CIPHER_SUITE_CCMP_256: |
| 2231 | return WLAN_CRYPTO_CIPHER_AES_CCM_256; |
| 2232 | case RSN_CIPHER_SUITE_GCMP: |
| 2233 | return WLAN_CRYPTO_CIPHER_AES_GCM; |
| 2234 | case RSN_CIPHER_SUITE_GCMP_256: |
| 2235 | return WLAN_CRYPTO_CIPHER_AES_GCM_256; |
| 2236 | case RSN_CIPHER_SUITE_AES_CMAC: |
| 2237 | return WLAN_CRYPTO_CIPHER_AES_CMAC; |
| 2238 | case RSN_CIPHER_SUITE_BIP_CMAC_256: |
| 2239 | return WLAN_CRYPTO_CIPHER_AES_CMAC_256; |
| 2240 | case RSN_CIPHER_SUITE_BIP_GMAC_128: |
| 2241 | return WLAN_CRYPTO_CIPHER_AES_GMAC; |
| 2242 | case RSN_CIPHER_SUITE_BIP_GMAC_256: |
| 2243 | return WLAN_CRYPTO_CIPHER_AES_GMAC_256; |
| 2244 | case RSN_CIPHER_SUITE_NONE: |
| 2245 | return WLAN_CRYPTO_CIPHER_NONE; |
| 2246 | } |
| 2247 | |
| 2248 | return status; |
| 2249 | } |
| 2250 | /* |
| 2251 | * Convert an RSN key management/authentication algorithm |
| 2252 | * to an internal code. |
| 2253 | */ |
| 2254 | static int32_t wlan_crypto_rsn_suite_to_keymgmt(uint8_t *sel) |
| 2255 | { |
Rohan Dutta | 8b8f00f | 2017-12-13 11:04:14 +0530 | [diff] [blame] | 2256 | uint32_t w = LE_READ_4(sel); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 2257 | int32_t status = -1; |
| 2258 | |
| 2259 | switch (w) { |
| 2260 | case RSN_AUTH_KEY_MGMT_UNSPEC_802_1X: |
| 2261 | return WLAN_CRYPTO_KEY_MGMT_IEEE8021X; |
| 2262 | case RSN_AUTH_KEY_MGMT_PSK_OVER_802_1X: |
| 2263 | return WLAN_CRYPTO_KEY_MGMT_PSK; |
| 2264 | case RSN_AUTH_KEY_MGMT_FT_802_1X: |
| 2265 | return WLAN_CRYPTO_KEY_MGMT_FT_IEEE8021X; |
| 2266 | case RSN_AUTH_KEY_MGMT_FT_PSK: |
| 2267 | return WLAN_CRYPTO_KEY_MGMT_FT_PSK; |
| 2268 | case RSN_AUTH_KEY_MGMT_802_1X_SHA256: |
| 2269 | return WLAN_CRYPTO_KEY_MGMT_IEEE8021X_SHA256; |
| 2270 | case RSN_AUTH_KEY_MGMT_PSK_SHA256: |
| 2271 | return WLAN_CRYPTO_KEY_MGMT_PSK_SHA256; |
| 2272 | case RSN_AUTH_KEY_MGMT_SAE: |
| 2273 | return WLAN_CRYPTO_KEY_MGMT_SAE; |
| 2274 | case RSN_AUTH_KEY_MGMT_FT_SAE: |
| 2275 | return WLAN_CRYPTO_KEY_MGMT_FT_SAE; |
| 2276 | case RSN_AUTH_KEY_MGMT_802_1X_SUITE_B: |
| 2277 | return WLAN_CRYPTO_KEY_MGMT_IEEE8021X_SUITE_B; |
| 2278 | case RSN_AUTH_KEY_MGMT_802_1X_SUITE_B_192: |
| 2279 | return WLAN_CRYPTO_KEY_MGMT_IEEE8021X_SUITE_B_192; |
| 2280 | case RSN_AUTH_KEY_MGMT_CCKM: |
| 2281 | return WLAN_CRYPTO_KEY_MGMT_CCKM; |
| 2282 | case RSN_AUTH_KEY_MGMT_OSEN: |
| 2283 | return WLAN_CRYPTO_KEY_MGMT_OSEN; |
Ashok Ponnaiah | c6d5910 | 2018-05-16 16:25:05 +0530 | [diff] [blame] | 2284 | case RSN_AUTH_KEY_MGMT_FILS_SHA256: |
| 2285 | return WLAN_CRYPTO_KEY_MGMT_FILS_SHA256; |
| 2286 | case RSN_AUTH_KEY_MGMT_FILS_SHA384: |
| 2287 | return WLAN_CRYPTO_KEY_MGMT_FILS_SHA384; |
| 2288 | case RSN_AUTH_KEY_MGMT_FT_FILS_SHA256: |
| 2289 | return WLAN_CRYPTO_KEY_MGMT_FT_FILS_SHA256; |
| 2290 | case RSN_AUTH_KEY_MGMT_FT_FILS_SHA384: |
| 2291 | return WLAN_CRYPTO_KEY_MGMT_FT_FILS_SHA384; |
| 2292 | case RSN_AUTH_KEY_MGMT_OWE: |
| 2293 | return WLAN_CRYPTO_KEY_MGMT_OWE; |
| 2294 | case RSN_AUTH_KEY_MGMT_DPP: |
| 2295 | return WLAN_CRYPTO_KEY_MGMT_DPP; |
Ashok Kumar | cff882e | 2019-06-07 17:04:00 +0530 | [diff] [blame] | 2296 | case RSN_AUTH_KEY_MGMT_FT_802_1X_SUITE_B_384: |
| 2297 | return WLAN_CRYPTO_KEY_MGMT_FT_IEEE8021X_SHA384; |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 2298 | } |
| 2299 | |
| 2300 | return status; |
| 2301 | } |
| 2302 | |
| 2303 | /** |
| 2304 | * wlan_crypto_wpaie_check - called by mlme to check the wpaie |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 2305 | * @crypto params: crypto params |
| 2306 | * @iebuf: ie buffer |
| 2307 | * |
| 2308 | * This function gets called by mlme to check the contents of wpa is |
| 2309 | * matching with given crypto params |
| 2310 | * |
| 2311 | * Return: QDF_STATUS_SUCCESS - in case of success |
| 2312 | */ |
| 2313 | QDF_STATUS wlan_crypto_wpaie_check(struct wlan_crypto_params *crypto_params, |
| 2314 | uint8_t *frm){ |
| 2315 | uint8_t len = frm[1]; |
| 2316 | int32_t w; |
| 2317 | int n; |
Ashok Ponnaiah | 439d7b5 | 2017-03-21 11:20:36 +0530 | [diff] [blame] | 2318 | |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 2319 | /* |
| 2320 | * Check the length once for fixed parts: OUI, type, |
| 2321 | * version, mcast cipher, and 2 selector counts. |
| 2322 | * Other, variable-length data, must be checked separately. |
| 2323 | */ |
| 2324 | RESET_AUTHMODE(crypto_params); |
| 2325 | SET_AUTHMODE(crypto_params, WLAN_CRYPTO_AUTH_WPA); |
| 2326 | |
| 2327 | if (len < 14) |
| 2328 | return QDF_STATUS_E_INVAL; |
| 2329 | |
Ashok Ponnaiah | 439d7b5 | 2017-03-21 11:20:36 +0530 | [diff] [blame] | 2330 | frm += 6, len -= 4; |
| 2331 | |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 2332 | w = LE_READ_2(frm); |
| 2333 | if (w != WPA_VERSION) |
| 2334 | return QDF_STATUS_E_INVAL; |
| 2335 | |
| 2336 | frm += 2, len -= 2; |
| 2337 | |
| 2338 | /* multicast/group cipher */ |
| 2339 | RESET_MCAST_CIPHERS(crypto_params); |
Ashok Ponnaiah | 439d7b5 | 2017-03-21 11:20:36 +0530 | [diff] [blame] | 2340 | w = wlan_crypto_wpa_suite_to_cipher(frm); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 2341 | if (w < 0) |
| 2342 | return QDF_STATUS_E_INVAL; |
| 2343 | SET_MCAST_CIPHER(crypto_params, w); |
| 2344 | frm += 4, len -= 4; |
| 2345 | |
| 2346 | /* unicast ciphers */ |
| 2347 | n = LE_READ_2(frm); |
| 2348 | frm += 2, len -= 2; |
| 2349 | if (len < n*4+2) |
| 2350 | return QDF_STATUS_E_INVAL; |
| 2351 | |
| 2352 | RESET_UCAST_CIPHERS(crypto_params); |
| 2353 | for (; n > 0; n--) { |
Ashok Ponnaiah | 439d7b5 | 2017-03-21 11:20:36 +0530 | [diff] [blame] | 2354 | w = wlan_crypto_wpa_suite_to_cipher(frm); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 2355 | if (w < 0) |
| 2356 | return QDF_STATUS_E_INVAL; |
| 2357 | SET_UCAST_CIPHER(crypto_params, w); |
| 2358 | frm += 4, len -= 4; |
| 2359 | } |
| 2360 | |
| 2361 | if (!crypto_params->ucastcipherset) |
| 2362 | return QDF_STATUS_E_INVAL; |
| 2363 | |
| 2364 | /* key management algorithms */ |
| 2365 | n = LE_READ_2(frm); |
| 2366 | frm += 2, len -= 2; |
| 2367 | if (len < n*4) |
| 2368 | return QDF_STATUS_E_INVAL; |
| 2369 | |
| 2370 | w = 0; |
| 2371 | RESET_KEY_MGMT(crypto_params); |
| 2372 | for (; n > 0; n--) { |
| 2373 | w = wlan_crypto_wpa_suite_to_keymgmt(frm); |
| 2374 | if (w < 0) |
| 2375 | return QDF_STATUS_E_INVAL; |
| 2376 | SET_KEY_MGMT(crypto_params, w); |
| 2377 | frm += 4, len -= 4; |
| 2378 | } |
| 2379 | |
| 2380 | /* optional capabilities */ |
| 2381 | if (len >= 2) { |
| 2382 | crypto_params->rsn_caps = LE_READ_2(frm); |
| 2383 | frm += 2, len -= 2; |
| 2384 | } |
| 2385 | |
| 2386 | return 0; |
| 2387 | } |
| 2388 | |
| 2389 | /** |
| 2390 | * wlan_crypto_rsnie_check - called by mlme to check the rsnie |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 2391 | * @crypto params: crypto params |
| 2392 | * @iebuf: ie buffer |
| 2393 | * |
| 2394 | * This function gets called by mlme to check the contents of wpa is |
| 2395 | * matching with given crypto params |
| 2396 | * |
| 2397 | * Return: QDF_STATUS_SUCCESS - in case of success |
| 2398 | */ |
| 2399 | QDF_STATUS wlan_crypto_rsnie_check(struct wlan_crypto_params *crypto_params, |
| 2400 | uint8_t *frm){ |
| 2401 | uint8_t len = frm[1]; |
| 2402 | int32_t w; |
| 2403 | int n; |
Ashok Ponnaiah | 439d7b5 | 2017-03-21 11:20:36 +0530 | [diff] [blame] | 2404 | |
Ashok Ponnaiah | b4c573c | 2018-05-18 12:48:44 +0530 | [diff] [blame] | 2405 | /* Check the length once for fixed parts: OUI, type & version */ |
| 2406 | if (len < 2) |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 2407 | return QDF_STATUS_E_INVAL; |
| 2408 | |
Ashok Ponnaiah | b4c573c | 2018-05-18 12:48:44 +0530 | [diff] [blame] | 2409 | /* initialize crypto params */ |
| 2410 | qdf_mem_zero(crypto_params, sizeof(struct wlan_crypto_params)); |
| 2411 | |
| 2412 | SET_AUTHMODE(crypto_params, WLAN_CRYPTO_AUTH_RSNA); |
| 2413 | |
Rohan Dutta | f8ce810 | 2018-01-18 10:17:47 +0530 | [diff] [blame] | 2414 | frm += 2; |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 2415 | /* NB: iswapoui already validated the OUI and type */ |
| 2416 | w = LE_READ_2(frm); |
| 2417 | if (w != RSN_VERSION) |
| 2418 | return QDF_STATUS_E_INVAL; |
| 2419 | |
| 2420 | frm += 2, len -= 2; |
| 2421 | |
Ashok Ponnaiah | b4c573c | 2018-05-18 12:48:44 +0530 | [diff] [blame] | 2422 | if (!len) { |
| 2423 | /* set defaults */ |
| 2424 | /* default group cipher CCMP-128 */ |
| 2425 | SET_MCAST_CIPHER(crypto_params, WLAN_CRYPTO_CIPHER_AES_CCM); |
| 2426 | /* default ucast cipher CCMP-128 */ |
| 2427 | SET_UCAST_CIPHER(crypto_params, WLAN_CRYPTO_CIPHER_AES_CCM); |
| 2428 | /* default key mgmt 8021x */ |
| 2429 | SET_KEY_MGMT(crypto_params, WLAN_CRYPTO_KEY_MGMT_IEEE8021X); |
| 2430 | return QDF_STATUS_SUCCESS; |
| 2431 | } else if (len < 4) { |
| 2432 | return QDF_STATUS_E_INVAL; |
| 2433 | } |
| 2434 | |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 2435 | /* multicast/group cipher */ |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 2436 | w = wlan_crypto_rsn_suite_to_cipher(frm); |
| 2437 | if (w < 0) |
| 2438 | return QDF_STATUS_E_INVAL; |
Ashok Ponnaiah | b4c573c | 2018-05-18 12:48:44 +0530 | [diff] [blame] | 2439 | else { |
| 2440 | SET_MCAST_CIPHER(crypto_params, w); |
| 2441 | frm += 4, len -= 4; |
| 2442 | } |
| 2443 | |
| 2444 | if (crypto_params->mcastcipherset == 0) |
| 2445 | return QDF_STATUS_E_INVAL; |
| 2446 | |
| 2447 | if (!len) { |
| 2448 | /* default ucast cipher CCMP-128 */ |
| 2449 | SET_UCAST_CIPHER(crypto_params, WLAN_CRYPTO_CIPHER_AES_CCM); |
| 2450 | /* default key mgmt 8021x */ |
| 2451 | SET_KEY_MGMT(crypto_params, WLAN_CRYPTO_KEY_MGMT_IEEE8021X); |
| 2452 | return QDF_STATUS_SUCCESS; |
| 2453 | } else if (len < 2) { |
| 2454 | return QDF_STATUS_E_INVAL; |
| 2455 | } |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 2456 | |
| 2457 | /* unicast ciphers */ |
| 2458 | n = LE_READ_2(frm); |
| 2459 | frm += 2, len -= 2; |
Ashok Ponnaiah | b4c573c | 2018-05-18 12:48:44 +0530 | [diff] [blame] | 2460 | if (n) { |
| 2461 | if (len < n * 4) |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 2462 | return QDF_STATUS_E_INVAL; |
Ashok Ponnaiah | b4c573c | 2018-05-18 12:48:44 +0530 | [diff] [blame] | 2463 | |
| 2464 | for (; n > 0; n--) { |
| 2465 | w = wlan_crypto_rsn_suite_to_cipher(frm); |
| 2466 | if (w < 0) |
| 2467 | return QDF_STATUS_E_INVAL; |
| 2468 | SET_UCAST_CIPHER(crypto_params, w); |
| 2469 | frm += 4, len -= 4; |
| 2470 | } |
| 2471 | } else { |
| 2472 | /* default ucast cipher CCMP-128 */ |
| 2473 | SET_UCAST_CIPHER(crypto_params, WLAN_CRYPTO_CIPHER_AES_CCM); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 2474 | } |
| 2475 | |
| 2476 | if (crypto_params->ucastcipherset == 0) |
| 2477 | return QDF_STATUS_E_INVAL; |
| 2478 | |
Ashok Ponnaiah | b4c573c | 2018-05-18 12:48:44 +0530 | [diff] [blame] | 2479 | if (!len) { |
| 2480 | /* default key mgmt 8021x */ |
| 2481 | SET_KEY_MGMT(crypto_params, WLAN_CRYPTO_KEY_MGMT_IEEE8021X); |
| 2482 | return QDF_STATUS_SUCCESS; |
| 2483 | } else if (len < 2) { |
| 2484 | return QDF_STATUS_E_INVAL; |
| 2485 | } |
| 2486 | |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 2487 | /* key management algorithms */ |
| 2488 | n = LE_READ_2(frm); |
| 2489 | frm += 2, len -= 2; |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 2490 | |
Ashok Ponnaiah | b4c573c | 2018-05-18 12:48:44 +0530 | [diff] [blame] | 2491 | if (n) { |
| 2492 | if (len < n * 4) |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 2493 | return QDF_STATUS_E_INVAL; |
Ashok Ponnaiah | b4c573c | 2018-05-18 12:48:44 +0530 | [diff] [blame] | 2494 | |
| 2495 | for (; n > 0; n--) { |
| 2496 | w = wlan_crypto_rsn_suite_to_keymgmt(frm); |
| 2497 | if (w < 0) |
| 2498 | return QDF_STATUS_E_INVAL; |
| 2499 | SET_KEY_MGMT(crypto_params, w); |
| 2500 | frm += 4, len -= 4; |
| 2501 | } |
| 2502 | } else { |
| 2503 | /* default key mgmt 8021x */ |
| 2504 | SET_KEY_MGMT(crypto_params, WLAN_CRYPTO_KEY_MGMT_IEEE8021X); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 2505 | } |
| 2506 | |
Ashok Ponnaiah | b4c573c | 2018-05-18 12:48:44 +0530 | [diff] [blame] | 2507 | if (crypto_params->key_mgmt == 0) |
| 2508 | return QDF_STATUS_E_INVAL; |
| 2509 | |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 2510 | /* optional capabilities */ |
| 2511 | if (len >= 2) { |
| 2512 | crypto_params->rsn_caps = LE_READ_2(frm); |
| 2513 | frm += 2, len -= 2; |
Ashok Ponnaiah | b4c573c | 2018-05-18 12:48:44 +0530 | [diff] [blame] | 2514 | } else if (len && len < 2) { |
| 2515 | return QDF_STATUS_E_INVAL; |
| 2516 | } |
| 2517 | |
| 2518 | |
| 2519 | /* PMKID */ |
| 2520 | if (len >= 2) { |
| 2521 | n = LE_READ_2(frm); |
| 2522 | frm += 2, len -= 2; |
| 2523 | if (n && len) { |
| 2524 | if (len >= n * PMKID_LEN) |
| 2525 | frm += (n * PMKID_LEN), len -= (n * PMKID_LEN); |
| 2526 | else |
| 2527 | return QDF_STATUS_E_INVAL; |
| 2528 | } else if (n && !len) { |
| 2529 | return QDF_STATUS_E_INVAL; |
| 2530 | } |
| 2531 | /*TODO: Save pmkid in params for further reference */ |
| 2532 | } |
| 2533 | |
| 2534 | /* BIP */ |
| 2535 | if (!len && |
| 2536 | (crypto_params->rsn_caps & WLAN_CRYPTO_RSN_CAP_MFP_ENABLED)) { |
| 2537 | /* when no BIP mentioned and MFP capable use CMAC as default*/ |
| 2538 | SET_MGMT_CIPHER(crypto_params, WLAN_CRYPTO_CIPHER_AES_CMAC); |
| 2539 | return QDF_STATUS_SUCCESS; |
| 2540 | } else if (len >= 4) { |
| 2541 | w = wlan_crypto_rsn_suite_to_cipher(frm); |
| 2542 | frm += 4, len -= 4; |
| 2543 | SET_MGMT_CIPHER(crypto_params, w); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 2544 | } |
| 2545 | |
| 2546 | return QDF_STATUS_SUCCESS; |
| 2547 | } |
| 2548 | |
| 2549 | /** |
| 2550 | * wlan_crypto_build_wpaie - called by mlme to build wpaie |
Rohan Dutta | 8b8f00f | 2017-12-13 11:04:14 +0530 | [diff] [blame] | 2551 | * @vdev: vdev |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 2552 | * @iebuf: ie buffer |
| 2553 | * |
Rohan Dutta | 8b8f00f | 2017-12-13 11:04:14 +0530 | [diff] [blame] | 2554 | * This function gets called by mlme to build wpaie from given vdev |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 2555 | * |
| 2556 | * Return: end of buffer |
| 2557 | */ |
Rohan Dutta | 8b8f00f | 2017-12-13 11:04:14 +0530 | [diff] [blame] | 2558 | uint8_t *wlan_crypto_build_wpaie(struct wlan_objmgr_vdev *vdev, |
| 2559 | uint8_t *iebuf){ |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 2560 | uint8_t *frm = iebuf; |
| 2561 | uint8_t *selcnt; |
Rohan Dutta | 8b8f00f | 2017-12-13 11:04:14 +0530 | [diff] [blame] | 2562 | struct wlan_crypto_comp_priv *crypto_priv; |
| 2563 | struct wlan_crypto_params *crypto_params; |
| 2564 | |
| 2565 | if (!frm) |
| 2566 | return NULL; |
| 2567 | |
| 2568 | crypto_params = wlan_crypto_vdev_get_comp_params(vdev, &crypto_priv); |
| 2569 | |
| 2570 | if (!crypto_params) |
| 2571 | return NULL; |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 2572 | |
Ashok Ponnaiah | 13e9f9b | 2017-03-14 04:45:29 +0530 | [diff] [blame] | 2573 | *frm++ = WLAN_ELEMID_VENDOR; |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 2574 | *frm++ = 0; |
| 2575 | WLAN_CRYPTO_ADDSELECTOR(frm, WPA_TYPE_OUI); |
| 2576 | WLAN_CRYPTO_ADDSHORT(frm, WPA_VERSION); |
| 2577 | |
| 2578 | |
| 2579 | /* multicast cipher */ |
Ashok Kumar Ponnaiah | d652f8f | 2018-08-24 10:09:32 +0530 | [diff] [blame] | 2580 | if (MCIPHER_IS_TKIP(crypto_params)) |
| 2581 | WPA_ADD_CIPHER_TO_SUITE(frm, WLAN_CRYPTO_CIPHER_TKIP); |
| 2582 | else if (MCIPHER_IS_CCMP128(crypto_params)) |
| 2583 | WPA_ADD_CIPHER_TO_SUITE(frm, WLAN_CRYPTO_CIPHER_AES_CCM); |
| 2584 | |
Rohan Dutta | a301c83 | 2017-11-30 20:29:26 +0530 | [diff] [blame] | 2585 | /* unicast cipher list */ |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 2586 | selcnt = frm; |
| 2587 | WLAN_CRYPTO_ADDSHORT(frm, 0); |
| 2588 | /* do not use CCMP unicast cipher in WPA mode */ |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 2589 | if (UCIPHER_IS_CCMP128(crypto_params)) { |
| 2590 | selcnt[0]++; |
Ashok Kumar Ponnaiah | d652f8f | 2018-08-24 10:09:32 +0530 | [diff] [blame] | 2591 | WPA_ADD_CIPHER_TO_SUITE(frm, WLAN_CRYPTO_CIPHER_AES_CCM); |
| 2592 | } |
| 2593 | if (UCIPHER_IS_TKIP(crypto_params)) { |
| 2594 | selcnt[0]++; |
| 2595 | WPA_ADD_CIPHER_TO_SUITE(frm, WLAN_CRYPTO_CIPHER_TKIP); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 2596 | } |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 2597 | |
| 2598 | /* authenticator selector list */ |
| 2599 | selcnt = frm; |
| 2600 | WLAN_CRYPTO_ADDSHORT(frm, 0); |
| 2601 | |
| 2602 | if (HAS_KEY_MGMT(crypto_params, WLAN_CRYPTO_KEY_MGMT_IEEE8021X)) { |
| 2603 | selcnt[0]++; |
Ashok Kumar Ponnaiah | 6e0a63c | 2018-08-24 10:16:05 +0530 | [diff] [blame] | 2604 | WPA_ADD_KEYMGMT_TO_SUITE(frm, WLAN_CRYPTO_KEY_MGMT_IEEE8021X); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 2605 | } else if (HAS_KEY_MGMT(crypto_params, WLAN_CRYPTO_KEY_MGMT_PSK)) { |
| 2606 | selcnt[0]++; |
Ashok Kumar Ponnaiah | 6e0a63c | 2018-08-24 10:16:05 +0530 | [diff] [blame] | 2607 | WPA_ADD_KEYMGMT_TO_SUITE(frm, WLAN_CRYPTO_KEY_MGMT_PSK); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 2608 | } else if (HAS_KEY_MGMT(crypto_params, WLAN_CRYPTO_KEY_MGMT_CCKM)) { |
| 2609 | selcnt[0]++; |
Ashok Kumar Ponnaiah | 6e0a63c | 2018-08-24 10:16:05 +0530 | [diff] [blame] | 2610 | WPA_ADD_KEYMGMT_TO_SUITE(frm, WLAN_CRYPTO_KEY_MGMT_CCKM); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 2611 | } else { |
| 2612 | selcnt[0]++; |
Ashok Kumar Ponnaiah | 6e0a63c | 2018-08-24 10:16:05 +0530 | [diff] [blame] | 2613 | WPA_ADD_KEYMGMT_TO_SUITE(frm, WLAN_CRYPTO_KEY_MGMT_NONE); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 2614 | } |
Ashok Kumar Ponnaiah | ac40b6b | 2018-09-05 10:16:23 +0530 | [diff] [blame] | 2615 | |
| 2616 | /* optional capabilities */ |
| 2617 | if (crypto_params->rsn_caps != 0 && |
| 2618 | crypto_params->rsn_caps != WLAN_CRYPTO_RSN_CAP_PREAUTH) { |
| 2619 | WLAN_CRYPTO_ADDSHORT(frm, crypto_params->rsn_caps); |
| 2620 | } |
| 2621 | |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 2622 | /* calculate element length */ |
| 2623 | iebuf[1] = frm - iebuf - 2; |
| 2624 | |
| 2625 | return frm; |
| 2626 | } |
| 2627 | |
| 2628 | /** |
| 2629 | * wlan_crypto_build_rsnie - called by mlme to build rsnie |
Rohan Dutta | 8b8f00f | 2017-12-13 11:04:14 +0530 | [diff] [blame] | 2630 | * @vdev: vdev |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 2631 | * @iebuf: ie buffer |
Ashok Kumar | 6f8b924 | 2018-12-10 12:26:24 +0530 | [diff] [blame] | 2632 | * @bssid: bssid mac address to add pmkid in rsnie |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 2633 | * |
Rohan Dutta | 8b8f00f | 2017-12-13 11:04:14 +0530 | [diff] [blame] | 2634 | * This function gets called by mlme to build rsnie from given vdev |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 2635 | * |
| 2636 | * Return: end of buffer |
| 2637 | */ |
Rohan Dutta | 8b8f00f | 2017-12-13 11:04:14 +0530 | [diff] [blame] | 2638 | uint8_t *wlan_crypto_build_rsnie(struct wlan_objmgr_vdev *vdev, |
Ashok Kumar | 6f8b924 | 2018-12-10 12:26:24 +0530 | [diff] [blame] | 2639 | uint8_t *iebuf, |
| 2640 | struct qdf_mac_addr *bssid) |
| 2641 | { |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 2642 | uint8_t *frm = iebuf; |
| 2643 | uint8_t *selcnt; |
Rohan Dutta | 8b8f00f | 2017-12-13 11:04:14 +0530 | [diff] [blame] | 2644 | struct wlan_crypto_comp_priv *crypto_priv; |
| 2645 | struct wlan_crypto_params *crypto_params; |
| 2646 | |
| 2647 | if (!frm) { |
| 2648 | return NULL; |
| 2649 | } |
| 2650 | |
| 2651 | crypto_params = wlan_crypto_vdev_get_comp_params(vdev, &crypto_priv); |
| 2652 | |
| 2653 | if (!crypto_params) { |
| 2654 | return NULL; |
| 2655 | } |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 2656 | |
Ashok Ponnaiah | 13e9f9b | 2017-03-14 04:45:29 +0530 | [diff] [blame] | 2657 | *frm++ = WLAN_ELEMID_RSN; |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 2658 | *frm++ = 0; |
| 2659 | WLAN_CRYPTO_ADDSHORT(frm, RSN_VERSION); |
| 2660 | |
| 2661 | |
| 2662 | /* multicast cipher */ |
Ashok Kumar Ponnaiah | d652f8f | 2018-08-24 10:09:32 +0530 | [diff] [blame] | 2663 | if (MCIPHER_IS_TKIP(crypto_params)) |
| 2664 | RSN_ADD_CIPHER_TO_SUITE(frm, WLAN_CRYPTO_CIPHER_TKIP); |
| 2665 | else if (MCIPHER_IS_CCMP128(crypto_params)) |
| 2666 | RSN_ADD_CIPHER_TO_SUITE(frm, WLAN_CRYPTO_CIPHER_AES_CCM); |
| 2667 | else if (MCIPHER_IS_CCMP256(crypto_params)) |
| 2668 | RSN_ADD_CIPHER_TO_SUITE(frm, WLAN_CRYPTO_CIPHER_AES_CCM_256); |
| 2669 | else if (MCIPHER_IS_GCMP128(crypto_params)) |
| 2670 | RSN_ADD_CIPHER_TO_SUITE(frm, WLAN_CRYPTO_CIPHER_AES_GCM); |
| 2671 | else if (MCIPHER_IS_GCMP256(crypto_params)) |
| 2672 | RSN_ADD_CIPHER_TO_SUITE(frm, WLAN_CRYPTO_CIPHER_AES_GCM_256); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 2673 | |
| 2674 | /* unicast cipher list */ |
| 2675 | selcnt = frm; |
| 2676 | WLAN_CRYPTO_ADDSHORT(frm, 0); |
Ashok Kumar Ponnaiah | d652f8f | 2018-08-24 10:09:32 +0530 | [diff] [blame] | 2677 | |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 2678 | if (UCIPHER_IS_CCMP256(crypto_params)) { |
| 2679 | selcnt[0]++; |
Ashok Kumar Ponnaiah | d652f8f | 2018-08-24 10:09:32 +0530 | [diff] [blame] | 2680 | RSN_ADD_CIPHER_TO_SUITE(frm, WLAN_CRYPTO_CIPHER_AES_CCM_256); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 2681 | } |
| 2682 | if (UCIPHER_IS_GCMP256(crypto_params)) { |
| 2683 | selcnt[0]++; |
Ashok Kumar Ponnaiah | d652f8f | 2018-08-24 10:09:32 +0530 | [diff] [blame] | 2684 | RSN_ADD_CIPHER_TO_SUITE(frm, WLAN_CRYPTO_CIPHER_AES_GCM_256); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 2685 | } |
Ashok Kumar Ponnaiah | d652f8f | 2018-08-24 10:09:32 +0530 | [diff] [blame] | 2686 | if (UCIPHER_IS_CCMP128(crypto_params)) { |
| 2687 | selcnt[0]++; |
| 2688 | RSN_ADD_CIPHER_TO_SUITE(frm, WLAN_CRYPTO_CIPHER_AES_CCM); |
| 2689 | } |
| 2690 | if (UCIPHER_IS_GCMP128(crypto_params)) { |
| 2691 | selcnt[0]++; |
| 2692 | RSN_ADD_CIPHER_TO_SUITE(frm, WLAN_CRYPTO_CIPHER_AES_GCM); |
| 2693 | } |
| 2694 | if (UCIPHER_IS_TKIP(crypto_params)) { |
| 2695 | selcnt[0]++; |
| 2696 | RSN_ADD_CIPHER_TO_SUITE(frm, WLAN_CRYPTO_CIPHER_TKIP); |
| 2697 | } |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 2698 | |
| 2699 | /* authenticator selector list */ |
| 2700 | selcnt = frm; |
| 2701 | WLAN_CRYPTO_ADDSHORT(frm, 0); |
| 2702 | if (HAS_KEY_MGMT(crypto_params, WLAN_CRYPTO_KEY_MGMT_CCKM)) { |
| 2703 | selcnt[0]++; |
Ashok Kumar Ponnaiah | 6e0a63c | 2018-08-24 10:16:05 +0530 | [diff] [blame] | 2704 | RSN_ADD_KEYMGMT_TO_SUITE(frm, WLAN_CRYPTO_KEY_MGMT_CCKM); |
| 2705 | /* Other key mgmt should not be added after CCKM */ |
| 2706 | goto add_rsn_caps; |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 2707 | } |
Ashok Kumar Ponnaiah | 6e0a63c | 2018-08-24 10:16:05 +0530 | [diff] [blame] | 2708 | if (HAS_KEY_MGMT(crypto_params, WLAN_CRYPTO_KEY_MGMT_IEEE8021X)) { |
| 2709 | selcnt[0]++; |
| 2710 | RSN_ADD_KEYMGMT_TO_SUITE(frm, WLAN_CRYPTO_KEY_MGMT_IEEE8021X); |
| 2711 | } |
| 2712 | if (HAS_KEY_MGMT(crypto_params, WLAN_CRYPTO_KEY_MGMT_PSK)) { |
| 2713 | selcnt[0]++; |
| 2714 | RSN_ADD_KEYMGMT_TO_SUITE(frm, WLAN_CRYPTO_KEY_MGMT_PSK); |
| 2715 | } |
| 2716 | if (HAS_KEY_MGMT(crypto_params, WLAN_CRYPTO_KEY_MGMT_FT_IEEE8021X)) { |
| 2717 | selcnt[0]++; |
| 2718 | RSN_ADD_KEYMGMT_TO_SUITE(frm, |
| 2719 | WLAN_CRYPTO_KEY_MGMT_FT_IEEE8021X); |
| 2720 | } |
| 2721 | if (HAS_KEY_MGMT(crypto_params, WLAN_CRYPTO_KEY_MGMT_FT_PSK)) { |
| 2722 | selcnt[0]++; |
| 2723 | RSN_ADD_KEYMGMT_TO_SUITE(frm, WLAN_CRYPTO_KEY_MGMT_FT_PSK); |
| 2724 | } |
| 2725 | if (HAS_KEY_MGMT(crypto_params, |
| 2726 | WLAN_CRYPTO_KEY_MGMT_IEEE8021X_SHA256)) { |
| 2727 | selcnt[0]++; |
| 2728 | RSN_ADD_KEYMGMT_TO_SUITE(frm, |
| 2729 | WLAN_CRYPTO_KEY_MGMT_IEEE8021X_SHA256); |
| 2730 | } |
| 2731 | if (HAS_KEY_MGMT(crypto_params, WLAN_CRYPTO_KEY_MGMT_PSK_SHA256)) { |
| 2732 | selcnt[0]++; |
| 2733 | RSN_ADD_KEYMGMT_TO_SUITE(frm, WLAN_CRYPTO_KEY_MGMT_PSK_SHA256); |
| 2734 | } |
| 2735 | if (HAS_KEY_MGMT(crypto_params, WLAN_CRYPTO_KEY_MGMT_SAE)) { |
| 2736 | selcnt[0]++; |
| 2737 | RSN_ADD_KEYMGMT_TO_SUITE(frm, WLAN_CRYPTO_KEY_MGMT_SAE); |
| 2738 | } |
| 2739 | if (HAS_KEY_MGMT(crypto_params, WLAN_CRYPTO_KEY_MGMT_FT_SAE)) { |
| 2740 | selcnt[0]++; |
| 2741 | RSN_ADD_KEYMGMT_TO_SUITE(frm, WLAN_CRYPTO_KEY_MGMT_FT_SAE); |
| 2742 | } |
| 2743 | if (HAS_KEY_MGMT(crypto_params, |
| 2744 | WLAN_CRYPTO_KEY_MGMT_IEEE8021X_SUITE_B)) { |
| 2745 | uint32_t kmgmt = WLAN_CRYPTO_KEY_MGMT_IEEE8021X_SUITE_B; |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 2746 | |
Ashok Kumar Ponnaiah | 6e0a63c | 2018-08-24 10:16:05 +0530 | [diff] [blame] | 2747 | selcnt[0]++; |
| 2748 | RSN_ADD_KEYMGMT_TO_SUITE(frm, kmgmt); |
| 2749 | } |
| 2750 | if (HAS_KEY_MGMT(crypto_params, |
| 2751 | WLAN_CRYPTO_KEY_MGMT_IEEE8021X_SUITE_B_192)) { |
| 2752 | uint32_t kmgmt = WLAN_CRYPTO_KEY_MGMT_IEEE8021X_SUITE_B_192; |
| 2753 | |
| 2754 | selcnt[0]++; |
| 2755 | RSN_ADD_KEYMGMT_TO_SUITE(frm, kmgmt); |
| 2756 | } |
| 2757 | if (HAS_KEY_MGMT(crypto_params, WLAN_CRYPTO_KEY_MGMT_FILS_SHA256)) { |
| 2758 | selcnt[0]++; |
| 2759 | RSN_ADD_KEYMGMT_TO_SUITE(frm, WLAN_CRYPTO_KEY_MGMT_FILS_SHA256); |
| 2760 | } |
| 2761 | if (HAS_KEY_MGMT(crypto_params, WLAN_CRYPTO_KEY_MGMT_FILS_SHA384)) { |
| 2762 | selcnt[0]++; |
| 2763 | RSN_ADD_KEYMGMT_TO_SUITE(frm, WLAN_CRYPTO_KEY_MGMT_FILS_SHA384); |
| 2764 | } |
| 2765 | if (HAS_KEY_MGMT(crypto_params, WLAN_CRYPTO_KEY_MGMT_FT_FILS_SHA256)) { |
| 2766 | selcnt[0]++; |
| 2767 | RSN_ADD_KEYMGMT_TO_SUITE(frm, |
| 2768 | WLAN_CRYPTO_KEY_MGMT_FT_FILS_SHA256); |
| 2769 | } |
| 2770 | if (HAS_KEY_MGMT(crypto_params, WLAN_CRYPTO_KEY_MGMT_FT_FILS_SHA384)) { |
| 2771 | selcnt[0]++; |
| 2772 | RSN_ADD_KEYMGMT_TO_SUITE(frm, |
| 2773 | WLAN_CRYPTO_KEY_MGMT_FT_FILS_SHA384); |
| 2774 | } |
| 2775 | if (HAS_KEY_MGMT(crypto_params, WLAN_CRYPTO_KEY_MGMT_OWE)) { |
| 2776 | selcnt[0]++; |
| 2777 | RSN_ADD_KEYMGMT_TO_SUITE(frm, WLAN_CRYPTO_KEY_MGMT_OWE); |
| 2778 | } |
| 2779 | if (HAS_KEY_MGMT(crypto_params, WLAN_CRYPTO_KEY_MGMT_DPP)) { |
| 2780 | selcnt[0]++; |
| 2781 | RSN_ADD_KEYMGMT_TO_SUITE(frm, WLAN_CRYPTO_KEY_MGMT_DPP); |
| 2782 | } |
| 2783 | if (HAS_KEY_MGMT(crypto_params, WLAN_CRYPTO_KEY_MGMT_OSEN)) { |
| 2784 | selcnt[0]++; |
| 2785 | RSN_ADD_KEYMGMT_TO_SUITE(frm, WLAN_CRYPTO_KEY_MGMT_OSEN); |
| 2786 | } |
| 2787 | add_rsn_caps: |
Rohan Dutta | 8b8f00f | 2017-12-13 11:04:14 +0530 | [diff] [blame] | 2788 | WLAN_CRYPTO_ADDSHORT(frm, crypto_params->rsn_caps); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 2789 | /* optional capabilities */ |
Ashok Ponnaiah | adfce98 | 2018-05-10 14:08:52 +0530 | [diff] [blame] | 2790 | if (crypto_params->rsn_caps & WLAN_CRYPTO_RSN_CAP_MFP_ENABLED) { |
| 2791 | /* PMK list */ |
Ashok Kumar | 6f8b924 | 2018-12-10 12:26:24 +0530 | [diff] [blame] | 2792 | if (bssid) { |
| 2793 | struct wlan_crypto_pmksa *pmksa; |
| 2794 | |
| 2795 | pmksa = wlan_crypto_get_pmksa(vdev, bssid); |
| 2796 | |
| 2797 | if (pmksa) { |
| 2798 | WLAN_CRYPTO_ADDSHORT(frm, 1); |
| 2799 | qdf_mem_copy(frm, pmksa->pmkid, PMKID_LEN); |
| 2800 | frm += PMKID_LEN; |
| 2801 | } else { |
| 2802 | WLAN_CRYPTO_ADDSHORT(frm, 0); |
| 2803 | } |
| 2804 | } else |
| 2805 | WLAN_CRYPTO_ADDSHORT(frm, 0); |
| 2806 | |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 2807 | if (HAS_MGMT_CIPHER(crypto_params, |
| 2808 | WLAN_CRYPTO_CIPHER_AES_CMAC)) { |
Ashok Kumar Ponnaiah | d652f8f | 2018-08-24 10:09:32 +0530 | [diff] [blame] | 2809 | RSN_ADD_CIPHER_TO_SUITE(frm, |
| 2810 | WLAN_CRYPTO_CIPHER_AES_CMAC); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 2811 | } |
| 2812 | if (HAS_MGMT_CIPHER(crypto_params, |
| 2813 | WLAN_CRYPTO_CIPHER_AES_GMAC)) { |
Ashok Kumar Ponnaiah | d652f8f | 2018-08-24 10:09:32 +0530 | [diff] [blame] | 2814 | RSN_ADD_CIPHER_TO_SUITE(frm, |
| 2815 | WLAN_CRYPTO_CIPHER_AES_GMAC); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 2816 | } |
| 2817 | if (HAS_MGMT_CIPHER(crypto_params, |
| 2818 | WLAN_CRYPTO_CIPHER_AES_CMAC_256)) { |
Ashok Kumar Ponnaiah | d652f8f | 2018-08-24 10:09:32 +0530 | [diff] [blame] | 2819 | RSN_ADD_CIPHER_TO_SUITE(frm, |
| 2820 | WLAN_CRYPTO_CIPHER_AES_CMAC_256 |
| 2821 | ); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 2822 | } |
| 2823 | |
| 2824 | if (HAS_MGMT_CIPHER(crypto_params, |
| 2825 | WLAN_CRYPTO_CIPHER_AES_GMAC_256)) { |
Ashok Kumar Ponnaiah | d652f8f | 2018-08-24 10:09:32 +0530 | [diff] [blame] | 2826 | RSN_ADD_CIPHER_TO_SUITE(frm, |
| 2827 | WLAN_CRYPTO_CIPHER_AES_GMAC_256 |
| 2828 | ); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 2829 | } |
Ashok Kumar | 6f8b924 | 2018-12-10 12:26:24 +0530 | [diff] [blame] | 2830 | } else { |
| 2831 | /* PMK list */ |
| 2832 | if (bssid) { |
| 2833 | struct wlan_crypto_pmksa *pmksa; |
| 2834 | |
| 2835 | pmksa = wlan_crypto_get_pmksa(vdev, bssid); |
| 2836 | if (pmksa) { |
| 2837 | WLAN_CRYPTO_ADDSHORT(frm, 1); |
| 2838 | qdf_mem_copy(frm, pmksa->pmkid, PMKID_LEN); |
| 2839 | frm += PMKID_LEN; |
| 2840 | } else { |
| 2841 | WLAN_CRYPTO_ADDSHORT(frm, 0); |
| 2842 | } |
| 2843 | } |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 2844 | } |
Rohan Dutta | 8b8f00f | 2017-12-13 11:04:14 +0530 | [diff] [blame] | 2845 | |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 2846 | /* calculate element length */ |
| 2847 | iebuf[1] = frm - iebuf - 2; |
| 2848 | |
| 2849 | return frm; |
| 2850 | } |
Ashok Ponnaiah | 2a3df50 | 2017-07-07 17:01:41 +0530 | [diff] [blame] | 2851 | |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 2852 | bool wlan_crypto_rsn_info(struct wlan_objmgr_vdev *vdev, |
| 2853 | struct wlan_crypto_params *crypto_params){ |
| 2854 | struct wlan_crypto_params *my_crypto_params; |
| 2855 | my_crypto_params = wlan_crypto_vdev_get_crypto_params(vdev); |
| 2856 | |
Kiran Kumar Lokere | 605e7a7 | 2018-08-30 16:33:26 -0700 | [diff] [blame] | 2857 | if (!my_crypto_params) { |
| 2858 | crypto_debug("vdev crypto params is NULL"); |
Disha Das | 76210cd | 2018-04-10 12:44:14 +0530 | [diff] [blame] | 2859 | return false; |
Kiran Kumar Lokere | 605e7a7 | 2018-08-30 16:33:26 -0700 | [diff] [blame] | 2860 | } |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 2861 | /* |
| 2862 | * Check peer's pairwise ciphers. |
| 2863 | * At least one must match with our unicast cipher |
| 2864 | */ |
Kiran Kumar Lokere | 605e7a7 | 2018-08-30 16:33:26 -0700 | [diff] [blame] | 2865 | if (!UCAST_CIPHER_MATCH(crypto_params, my_crypto_params)) { |
| 2866 | crypto_debug("Unicast cipher match failed"); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 2867 | return false; |
Kiran Kumar Lokere | 605e7a7 | 2018-08-30 16:33:26 -0700 | [diff] [blame] | 2868 | } |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 2869 | /* |
| 2870 | * Check peer's group cipher is our enabled multicast cipher. |
| 2871 | */ |
Kiran Kumar Lokere | 605e7a7 | 2018-08-30 16:33:26 -0700 | [diff] [blame] | 2872 | if (!MCAST_CIPHER_MATCH(crypto_params, my_crypto_params)) { |
| 2873 | crypto_debug("Multicast cipher match failed"); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 2874 | return false; |
Kiran Kumar Lokere | 605e7a7 | 2018-08-30 16:33:26 -0700 | [diff] [blame] | 2875 | } |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 2876 | /* |
| 2877 | * Check peer's key management class set (PSK or UNSPEC) |
| 2878 | */ |
Kiran Kumar Lokere | 605e7a7 | 2018-08-30 16:33:26 -0700 | [diff] [blame] | 2879 | if (!KEY_MGMTSET_MATCH(crypto_params, my_crypto_params)) { |
| 2880 | crypto_debug("Key mgmt match failed"); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 2881 | return false; |
Kiran Kumar Lokere | 605e7a7 | 2018-08-30 16:33:26 -0700 | [diff] [blame] | 2882 | } |
Min Liu | a3bad2b | 2019-03-25 11:48:49 +0800 | [diff] [blame] | 2883 | if (wlan_crypto_vdev_is_pmf_required(vdev) && |
Kiran Kumar Lokere | 605e7a7 | 2018-08-30 16:33:26 -0700 | [diff] [blame] | 2884 | !(crypto_params->rsn_caps & WLAN_CRYPTO_RSN_CAP_MFP_ENABLED)) { |
| 2885 | crypto_debug("Peer is not PMF capable"); |
| 2886 | return false; |
| 2887 | } |
| 2888 | if (!wlan_crypto_vdev_is_pmf_enabled(vdev) && |
| 2889 | (crypto_params->rsn_caps & WLAN_CRYPTO_RSN_CAP_MFP_REQUIRED)) { |
| 2890 | crypto_debug("Peer needs PMF, but vdev is not capable"); |
| 2891 | return false; |
| 2892 | } |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 2893 | |
| 2894 | return true; |
| 2895 | } |
| 2896 | |
Ashok Ponnaiah | 26e6be4 | 2017-07-14 18:13:23 +0530 | [diff] [blame] | 2897 | /* |
| 2898 | * Convert an WAPI CIPHER suite to to an internal code. |
| 2899 | */ |
| 2900 | static int32_t wlan_crypto_wapi_suite_to_cipher(uint8_t *sel) |
| 2901 | { |
| 2902 | uint32_t w = LE_READ_4(sel); |
| 2903 | int32_t status = -1; |
| 2904 | |
| 2905 | switch (w) { |
| 2906 | case (WLAN_WAPI_SEL(WLAN_CRYPTO_WAPI_SMS4_CIPHER)): |
| 2907 | return WLAN_CRYPTO_CIPHER_WAPI_SMS4; |
| 2908 | } |
| 2909 | |
| 2910 | return status; |
| 2911 | } |
| 2912 | |
| 2913 | /* |
| 2914 | * Convert an WAPI key management/authentication algorithm |
| 2915 | * to an internal code. |
| 2916 | */ |
| 2917 | static int32_t wlan_crypto_wapi_keymgmt(u_int8_t *sel) |
| 2918 | { |
| 2919 | uint32_t w = LE_READ_4(sel); |
| 2920 | int32_t status = -1; |
| 2921 | |
| 2922 | switch (w) { |
| 2923 | case (WLAN_WAPI_SEL(WLAN_WAI_PSK)): |
| 2924 | return WLAN_CRYPTO_KEY_MGMT_WAPI_PSK; |
| 2925 | case (WLAN_WAPI_SEL(WLAN_WAI_CERT_OR_SMS4)): |
| 2926 | return WLAN_CRYPTO_KEY_MGMT_WAPI_CERT; |
| 2927 | } |
| 2928 | |
| 2929 | return status; |
| 2930 | } |
| 2931 | /** |
| 2932 | * wlan_crypto_wapiie_check - called by mlme to check the wapiie |
Ashok Ponnaiah | 26e6be4 | 2017-07-14 18:13:23 +0530 | [diff] [blame] | 2933 | * @crypto params: crypto params |
| 2934 | * @iebuf: ie buffer |
| 2935 | * |
| 2936 | * This function gets called by mlme to check the contents of wapi is |
| 2937 | * matching with given crypto params |
| 2938 | * |
| 2939 | * Return: QDF_STATUS_SUCCESS - in case of success |
| 2940 | */ |
| 2941 | QDF_STATUS wlan_crypto_wapiie_check(struct wlan_crypto_params *crypto_params, |
| 2942 | uint8_t *frm) |
| 2943 | { |
| 2944 | uint8_t len = frm[1]; |
| 2945 | int32_t w; |
| 2946 | int n; |
| 2947 | |
| 2948 | /* |
| 2949 | * Check the length once for fixed parts: OUI, type, |
| 2950 | * version, mcast cipher, and 2 selector counts. |
| 2951 | * Other, variable-length data, must be checked separately. |
| 2952 | */ |
| 2953 | RESET_AUTHMODE(crypto_params); |
| 2954 | SET_AUTHMODE(crypto_params, WLAN_CRYPTO_AUTH_WAPI); |
| 2955 | |
| 2956 | if (len < WLAN_CRYPTO_WAPI_IE_LEN) |
| 2957 | return QDF_STATUS_E_INVAL; |
| 2958 | |
| 2959 | |
| 2960 | frm += 2; |
| 2961 | |
| 2962 | w = LE_READ_2(frm); |
| 2963 | frm += 2, len -= 2; |
| 2964 | if (w != WAPI_VERSION) |
| 2965 | return QDF_STATUS_E_INVAL; |
| 2966 | |
| 2967 | n = LE_READ_2(frm); |
| 2968 | frm += 2, len -= 2; |
| 2969 | if (len < n*4+2) |
| 2970 | return QDF_STATUS_E_INVAL; |
| 2971 | |
| 2972 | RESET_KEY_MGMT(crypto_params); |
| 2973 | for (; n > 0; n--) { |
| 2974 | w = wlan_crypto_wapi_keymgmt(frm); |
| 2975 | if (w < 0) |
| 2976 | return QDF_STATUS_E_INVAL; |
| 2977 | |
| 2978 | SET_KEY_MGMT(crypto_params, w); |
| 2979 | frm += 4, len -= 4; |
| 2980 | } |
| 2981 | |
| 2982 | /* unicast ciphers */ |
| 2983 | n = LE_READ_2(frm); |
| 2984 | frm += 2, len -= 2; |
| 2985 | if (len < n*4+2) |
| 2986 | return QDF_STATUS_E_INVAL; |
| 2987 | |
| 2988 | RESET_UCAST_CIPHERS(crypto_params); |
| 2989 | for (; n > 0; n--) { |
| 2990 | w = wlan_crypto_wapi_suite_to_cipher(frm); |
| 2991 | if (w < 0) |
| 2992 | return QDF_STATUS_E_INVAL; |
| 2993 | SET_UCAST_CIPHER(crypto_params, w); |
| 2994 | frm += 4, len -= 4; |
| 2995 | } |
| 2996 | |
| 2997 | if (!crypto_params->ucastcipherset) |
| 2998 | return QDF_STATUS_E_INVAL; |
| 2999 | |
| 3000 | /* multicast/group cipher */ |
| 3001 | RESET_MCAST_CIPHERS(crypto_params); |
| 3002 | w = wlan_crypto_wapi_suite_to_cipher(frm); |
| 3003 | |
| 3004 | if (w < 0) |
| 3005 | return QDF_STATUS_E_INVAL; |
| 3006 | |
| 3007 | SET_MCAST_CIPHER(crypto_params, w); |
| 3008 | frm += 4, len -= 4; |
| 3009 | |
| 3010 | return QDF_STATUS_SUCCESS; |
| 3011 | } |
| 3012 | |
| 3013 | /** |
| 3014 | * wlan_crypto_build_wapiie - called by mlme to build wapi ie |
Ashok Ponnaiah | 26e6be4 | 2017-07-14 18:13:23 +0530 | [diff] [blame] | 3015 | * @vdev: vdev |
| 3016 | * @iebuf: ie buffer |
| 3017 | * |
| 3018 | * This function gets called by mlme to build wapi ie from given vdev |
| 3019 | * |
| 3020 | * Return: end of buffer |
| 3021 | */ |
| 3022 | uint8_t *wlan_crypto_build_wapiie(struct wlan_objmgr_vdev *vdev, |
| 3023 | uint8_t *iebuf) |
| 3024 | { |
| 3025 | uint8_t *frm; |
| 3026 | uint8_t *selcnt; |
| 3027 | struct wlan_crypto_comp_priv *crypto_priv; |
| 3028 | struct wlan_crypto_params *crypto_params; |
| 3029 | |
| 3030 | frm = iebuf; |
| 3031 | if (!frm) { |
Vignesh Mohan | 9d1c7a2 | 2018-08-20 16:35:00 +0530 | [diff] [blame] | 3032 | crypto_err("ie buffer NULL"); |
Ashok Ponnaiah | 26e6be4 | 2017-07-14 18:13:23 +0530 | [diff] [blame] | 3033 | return NULL; |
| 3034 | } |
| 3035 | |
| 3036 | crypto_params = wlan_crypto_vdev_get_comp_params(vdev, &crypto_priv); |
| 3037 | |
| 3038 | if (!crypto_params) { |
Vignesh Mohan | 9d1c7a2 | 2018-08-20 16:35:00 +0530 | [diff] [blame] | 3039 | crypto_err("crypto_params NULL"); |
Ashok Ponnaiah | 26e6be4 | 2017-07-14 18:13:23 +0530 | [diff] [blame] | 3040 | return NULL; |
| 3041 | } |
| 3042 | |
| 3043 | *frm++ = WLAN_ELEMID_WAPI; |
| 3044 | *frm++ = 0; |
| 3045 | |
| 3046 | WLAN_CRYPTO_ADDSHORT(frm, WAPI_VERSION); |
| 3047 | |
| 3048 | /* authenticator selector list */ |
| 3049 | selcnt = frm; |
| 3050 | WLAN_CRYPTO_ADDSHORT(frm, 0); |
| 3051 | |
| 3052 | if (HAS_KEY_MGMT(crypto_params, WLAN_CRYPTO_KEY_MGMT_WAPI_PSK)) { |
| 3053 | selcnt[0]++; |
| 3054 | WLAN_CRYPTO_ADDSELECTOR(frm, |
| 3055 | WLAN_WAPI_SEL(WLAN_WAI_PSK)); |
| 3056 | } |
| 3057 | |
| 3058 | if (HAS_KEY_MGMT(crypto_params, WLAN_CRYPTO_KEY_MGMT_WAPI_CERT)) { |
| 3059 | selcnt[0]++; |
| 3060 | WLAN_CRYPTO_ADDSELECTOR(frm, |
| 3061 | WLAN_WAPI_SEL(WLAN_WAI_CERT_OR_SMS4)); |
| 3062 | } |
| 3063 | |
| 3064 | /* unicast cipher list */ |
| 3065 | selcnt = frm; |
| 3066 | WLAN_CRYPTO_ADDSHORT(frm, 0); |
| 3067 | |
| 3068 | if (UCIPHER_IS_SMS4(crypto_params)) { |
| 3069 | selcnt[0]++; |
| 3070 | WLAN_CRYPTO_ADDSELECTOR(frm, |
| 3071 | WLAN_WAPI_SEL(WLAN_CRYPTO_WAPI_SMS4_CIPHER)); |
| 3072 | } |
| 3073 | |
| 3074 | WLAN_CRYPTO_ADDSELECTOR(frm, |
| 3075 | WLAN_WAPI_SEL(WLAN_CRYPTO_WAPI_SMS4_CIPHER)); |
| 3076 | |
| 3077 | /* optional capabilities */ |
| 3078 | WLAN_CRYPTO_ADDSHORT(frm, crypto_params->rsn_caps); |
| 3079 | |
Arif Hussain | c1e7877 | 2019-01-10 19:49:57 -0800 | [diff] [blame] | 3080 | /* bkid count */ |
Arif Hussain | 20a228a | 2019-02-12 17:51:44 -0800 | [diff] [blame] | 3081 | if (vdev->vdev_mlme.vdev_opmode == QDF_STA_MODE || |
| 3082 | vdev->vdev_mlme.vdev_opmode == QDF_P2P_CLIENT_MODE) |
| 3083 | WLAN_CRYPTO_ADDSHORT(frm, 0); |
Arif Hussain | c1e7877 | 2019-01-10 19:49:57 -0800 | [diff] [blame] | 3084 | |
Ashok Ponnaiah | 26e6be4 | 2017-07-14 18:13:23 +0530 | [diff] [blame] | 3085 | /* calculate element length */ |
| 3086 | iebuf[1] = frm - iebuf - 2; |
| 3087 | |
| 3088 | return frm; |
| 3089 | |
| 3090 | } |
| 3091 | |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 3092 | /** |
| 3093 | * wlan_crypto_pn_check - called by data patch for PN check |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 3094 | * @vdev: vdev |
| 3095 | * @wbuf: wbuf |
| 3096 | * |
| 3097 | * This function gets called by data patch for PN check |
| 3098 | * |
| 3099 | * Return: QDF_STATUS |
| 3100 | */ |
| 3101 | QDF_STATUS wlan_crypto_pn_check(struct wlan_objmgr_vdev *vdev, |
| 3102 | qdf_nbuf_t wbuf){ |
| 3103 | /* Need to check is there real requirement for this function |
| 3104 | * as PN check is already handled in decap function. |
| 3105 | */ |
| 3106 | return QDF_STATUS_SUCCESS; |
| 3107 | } |
| 3108 | |
| 3109 | /** |
| 3110 | * wlan_crypto_vdev_get_crypto_params - called by mlme to get crypto params |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 3111 | * @vdev:vdev |
| 3112 | * |
| 3113 | * This function gets called by mlme to get crypto params |
| 3114 | * |
| 3115 | * Return: wlan_crypto_params or NULL in case of failure |
| 3116 | */ |
| 3117 | struct wlan_crypto_params *wlan_crypto_vdev_get_crypto_params( |
| 3118 | struct wlan_objmgr_vdev *vdev){ |
| 3119 | struct wlan_crypto_comp_priv *crypto_priv; |
| 3120 | |
| 3121 | return wlan_crypto_vdev_get_comp_params(vdev, &crypto_priv); |
| 3122 | } |
| 3123 | |
| 3124 | /** |
| 3125 | * wlan_crypto_peer_get_crypto_params - called by mlme to get crypto params |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 3126 | * @peer:peer |
| 3127 | * |
| 3128 | * This function gets called by mlme to get crypto params |
| 3129 | * |
| 3130 | * Return: wlan_crypto_params or NULL in case of failure |
| 3131 | */ |
| 3132 | struct wlan_crypto_params *wlan_crypto_peer_get_crypto_params( |
| 3133 | struct wlan_objmgr_peer *peer){ |
| 3134 | struct wlan_crypto_comp_priv *crypto_priv; |
| 3135 | |
| 3136 | return wlan_crypto_peer_get_comp_params(peer, &crypto_priv); |
| 3137 | } |
| 3138 | |
| 3139 | |
| 3140 | QDF_STATUS wlan_crypto_set_peer_wep_keys(struct wlan_objmgr_vdev *vdev, |
Srinivas Pitla | ea71ebf | 2018-01-04 17:07:42 +0530 | [diff] [blame] | 3141 | struct wlan_objmgr_peer *peer) |
| 3142 | { |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 3143 | struct wlan_crypto_comp_priv *crypto_priv; |
Ashok Ponnaiah | b696221 | 2017-07-31 10:12:57 +0530 | [diff] [blame] | 3144 | struct wlan_crypto_comp_priv *sta_crypto_priv; |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 3145 | struct wlan_crypto_params *crypto_params; |
| 3146 | struct wlan_crypto_key *key; |
Ashok Ponnaiah | b696221 | 2017-07-31 10:12:57 +0530 | [diff] [blame] | 3147 | struct wlan_crypto_key *sta_key; |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 3148 | struct wlan_crypto_cipher *cipher_table; |
| 3149 | struct wlan_objmgr_psoc *psoc; |
Srinivas Pitla | ea71ebf | 2018-01-04 17:07:42 +0530 | [diff] [blame] | 3150 | uint8_t *mac_addr; |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 3151 | int i; |
Jeff Johnson | a426232 | 2017-11-09 09:54:12 -0800 | [diff] [blame] | 3152 | enum QDF_OPMODE opmode; |
sheenam monga | 1273bce | 2019-05-06 11:47:08 +0530 | [diff] [blame] | 3153 | QDF_STATUS status = QDF_STATUS_SUCCESS; |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 3154 | |
| 3155 | if (!vdev) |
| 3156 | return QDF_STATUS_E_NULL_VALUE; |
Srinivas Pitla | ea71ebf | 2018-01-04 17:07:42 +0530 | [diff] [blame] | 3157 | |
| 3158 | if (!peer) { |
Bala Venkatesh | ae946e3 | 2019-08-26 19:14:14 +0530 | [diff] [blame] | 3159 | crypto_debug("peer NULL"); |
Srinivas Pitla | ea71ebf | 2018-01-04 17:07:42 +0530 | [diff] [blame] | 3160 | return QDF_STATUS_E_INVAL; |
| 3161 | } |
| 3162 | |
Ashok Ponnaiah | 439d7b5 | 2017-03-21 11:20:36 +0530 | [diff] [blame] | 3163 | opmode = wlan_vdev_mlme_get_opmode(vdev); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 3164 | psoc = wlan_vdev_get_psoc(vdev); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 3165 | |
Ashok Ponnaiah | 439d7b5 | 2017-03-21 11:20:36 +0530 | [diff] [blame] | 3166 | if (!psoc) { |
Vignesh Mohan | 9d1c7a2 | 2018-08-20 16:35:00 +0530 | [diff] [blame] | 3167 | crypto_err("psoc NULL"); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 3168 | return QDF_STATUS_E_NULL_VALUE; |
Ashok Ponnaiah | 439d7b5 | 2017-03-21 11:20:36 +0530 | [diff] [blame] | 3169 | } |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 3170 | |
Srinivas Pitla | ea71ebf | 2018-01-04 17:07:42 +0530 | [diff] [blame] | 3171 | wlan_peer_obj_lock(peer); |
| 3172 | mac_addr = wlan_peer_get_macaddr(peer); |
| 3173 | wlan_peer_obj_unlock(peer); |
| 3174 | |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 3175 | crypto_params = wlan_crypto_vdev_get_comp_params(vdev, |
| 3176 | &crypto_priv); |
Jeff Johnson | f3a2b89 | 2019-03-20 12:07:03 -0700 | [diff] [blame] | 3177 | if (!crypto_priv) { |
Vignesh Mohan | 9d1c7a2 | 2018-08-20 16:35:00 +0530 | [diff] [blame] | 3178 | crypto_err("crypto_priv NULL"); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 3179 | return QDF_STATUS_E_NULL_VALUE; |
| 3180 | } |
| 3181 | |
| 3182 | /* push only valid static WEP keys from vap */ |
| 3183 | if (AUTH_IS_8021X(crypto_params)) |
| 3184 | return QDF_STATUS_E_INVAL; |
| 3185 | |
Ashok Ponnaiah | b696221 | 2017-07-31 10:12:57 +0530 | [diff] [blame] | 3186 | if (opmode == QDF_STA_MODE) { |
sheenam monga | 1273bce | 2019-05-06 11:47:08 +0530 | [diff] [blame] | 3187 | peer = wlan_objmgr_vdev_try_get_bsspeer(vdev, WLAN_CRYPTO_ID); |
Ashok Ponnaiah | b696221 | 2017-07-31 10:12:57 +0530 | [diff] [blame] | 3188 | if (!peer) { |
Vignesh Mohan | 9d1c7a2 | 2018-08-20 16:35:00 +0530 | [diff] [blame] | 3189 | crypto_err("peer NULL"); |
Ashok Ponnaiah | b696221 | 2017-07-31 10:12:57 +0530 | [diff] [blame] | 3190 | return QDF_STATUS_E_INVAL; |
| 3191 | } |
| 3192 | } |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 3193 | |
Ashok Ponnaiah | b696221 | 2017-07-31 10:12:57 +0530 | [diff] [blame] | 3194 | wlan_crypto_peer_get_comp_params(peer, &sta_crypto_priv); |
Jeff Johnson | f3a2b89 | 2019-03-20 12:07:03 -0700 | [diff] [blame] | 3195 | if (!sta_crypto_priv) { |
Vignesh Mohan | 9d1c7a2 | 2018-08-20 16:35:00 +0530 | [diff] [blame] | 3196 | crypto_err("sta priv is null"); |
sheenam monga | 1273bce | 2019-05-06 11:47:08 +0530 | [diff] [blame] | 3197 | status = QDF_STATUS_E_INVAL; |
| 3198 | goto exit; |
Ashok Ponnaiah | b696221 | 2017-07-31 10:12:57 +0530 | [diff] [blame] | 3199 | } |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 3200 | |
| 3201 | for (i = 0; i < WLAN_CRYPTO_MAXKEYIDX; i++) { |
| 3202 | if (crypto_priv->key[i]) { |
| 3203 | key = crypto_priv->key[i]; |
| 3204 | if (!key || !key->valid) |
| 3205 | continue; |
| 3206 | |
| 3207 | cipher_table = (struct wlan_crypto_cipher *) |
| 3208 | key->cipher_table; |
| 3209 | |
| 3210 | if (cipher_table->cipher == WLAN_CRYPTO_CIPHER_WEP) { |
Ashok Ponnaiah | b696221 | 2017-07-31 10:12:57 +0530 | [diff] [blame] | 3211 | sta_key = qdf_mem_malloc( |
| 3212 | sizeof(struct wlan_crypto_key)); |
sheenam monga | 1273bce | 2019-05-06 11:47:08 +0530 | [diff] [blame] | 3213 | if (!sta_key) { |
| 3214 | status = QDF_STATUS_E_NOMEM; |
| 3215 | goto exit; |
| 3216 | } |
Madhvapathi Sriram | b73fc28 | 2019-01-07 09:12:25 +0530 | [diff] [blame] | 3217 | |
Ashok Ponnaiah | b696221 | 2017-07-31 10:12:57 +0530 | [diff] [blame] | 3218 | sta_crypto_priv->key[i] = sta_key; |
| 3219 | qdf_mem_copy(sta_key, key, |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 3220 | sizeof(struct wlan_crypto_key)); |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 3221 | |
Ashok Ponnaiah | b696221 | 2017-07-31 10:12:57 +0530 | [diff] [blame] | 3222 | sta_key->flags &= ~WLAN_CRYPTO_KEY_DEFAULT; |
Ashok Ponnaiah | 4db9b8f | 2017-07-05 16:09:29 +0530 | [diff] [blame] | 3223 | |
Ashok Ponnaiah | b696221 | 2017-07-31 10:12:57 +0530 | [diff] [blame] | 3224 | if (crypto_priv->def_tx_keyid == i) { |
| 3225 | sta_key->flags |
| 3226 | |= WLAN_CRYPTO_KEY_DEFAULT; |
| 3227 | sta_crypto_priv->def_tx_keyid = |
| 3228 | crypto_priv->def_tx_keyid; |
| 3229 | } |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 3230 | /* setting the broadcast/multicast key for sta*/ |
| 3231 | if (opmode == QDF_STA_MODE || |
| 3232 | opmode == QDF_IBSS_MODE){ |
| 3233 | if (WLAN_CRYPTO_TX_OPS_SETKEY(psoc)) { |
| 3234 | WLAN_CRYPTO_TX_OPS_SETKEY(psoc)( |
Ashok Ponnaiah | b696221 | 2017-07-31 10:12:57 +0530 | [diff] [blame] | 3235 | vdev, sta_key, mac_addr, |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 3236 | cipher_table->cipher); |
| 3237 | } |
| 3238 | } |
| 3239 | |
| 3240 | /* setting unicast key */ |
Ashok Ponnaiah | b696221 | 2017-07-31 10:12:57 +0530 | [diff] [blame] | 3241 | sta_key->flags &= ~WLAN_CRYPTO_KEY_GROUP; |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 3242 | if (WLAN_CRYPTO_TX_OPS_SETKEY(psoc)) { |
| 3243 | WLAN_CRYPTO_TX_OPS_SETKEY(psoc)(vdev, |
Ashok Ponnaiah | b696221 | 2017-07-31 10:12:57 +0530 | [diff] [blame] | 3244 | sta_key, mac_addr, |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 3245 | cipher_table->cipher); |
| 3246 | } |
| 3247 | } |
| 3248 | } |
| 3249 | } |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 3250 | |
sheenam monga | 1273bce | 2019-05-06 11:47:08 +0530 | [diff] [blame] | 3251 | exit: |
| 3252 | if (opmode == QDF_STA_MODE) |
| 3253 | wlan_objmgr_peer_release_ref(peer, WLAN_CRYPTO_ID); |
| 3254 | |
| 3255 | return status; |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 3256 | } |
| 3257 | |
| 3258 | /** |
| 3259 | * wlan_crypto_register_crypto_rx_ops - set crypto_rx_ops |
Ashok Ponnaiah | 89d2881 | 2017-02-17 22:10:20 +0530 | [diff] [blame] | 3260 | * @crypto_rx_ops: crypto_rx_ops |
| 3261 | * |
| 3262 | * This function gets called by object manger to register crypto rx ops. |
| 3263 | * |
| 3264 | * Return: QDF_STATUS |
| 3265 | */ |
| 3266 | QDF_STATUS wlan_crypto_register_crypto_rx_ops( |
| 3267 | struct wlan_lmac_if_crypto_rx_ops *crypto_rx_ops){ |
| 3268 | crypto_rx_ops->crypto_encap = wlan_crypto_encap; |
| 3269 | crypto_rx_ops->crypto_decap = wlan_crypto_decap; |
| 3270 | crypto_rx_ops->crypto_enmic = wlan_crypto_enmic; |
| 3271 | crypto_rx_ops->crypto_demic = wlan_crypto_demic; |
| 3272 | crypto_rx_ops->set_peer_wep_keys = wlan_crypto_set_peer_wep_keys; |
| 3273 | |
| 3274 | return QDF_STATUS_SUCCESS; |
| 3275 | } |
Ashok Ponnaiah | 13e9f9b | 2017-03-14 04:45:29 +0530 | [diff] [blame] | 3276 | |
| 3277 | /** |
| 3278 | * wlan_crypto_get_crypto_rx_ops - get crypto_rx_ops from psoc |
Ashok Ponnaiah | 13e9f9b | 2017-03-14 04:45:29 +0530 | [diff] [blame] | 3279 | * @psoc: psoc |
| 3280 | * |
| 3281 | * This function gets called by umac to get the crypto_rx_ops |
| 3282 | * |
| 3283 | * Return: crypto_rx_ops |
| 3284 | */ |
| 3285 | struct wlan_lmac_if_crypto_rx_ops *wlan_crypto_get_crypto_rx_ops( |
| 3286 | struct wlan_objmgr_psoc *psoc) |
| 3287 | { |
| 3288 | |
| 3289 | return &(psoc->soc_cb.rx_ops.crypto_rx_ops); |
| 3290 | } |
Manikandan Mohan | a2993a5 | 2018-03-01 16:21:55 -0800 | [diff] [blame] | 3291 | qdf_export_symbol(wlan_crypto_get_crypto_rx_ops); |
Ashok Ponnaiah | 2a3df50 | 2017-07-07 17:01:41 +0530 | [diff] [blame] | 3292 | |
| 3293 | /** |
| 3294 | * wlan_crypto_vdev_has_auth_mode - check authmode for vdev |
Ashok Ponnaiah | 2a3df50 | 2017-07-07 17:01:41 +0530 | [diff] [blame] | 3295 | * @vdev: vdev |
| 3296 | * @authvalue: authvalue to be checked |
| 3297 | * |
| 3298 | * This function check is authvalue passed is set in vdev or not |
| 3299 | * |
| 3300 | * Return: true or false |
| 3301 | */ |
| 3302 | bool wlan_crypto_vdev_has_auth_mode(struct wlan_objmgr_vdev *vdev, |
| 3303 | wlan_crypto_auth_mode authvalue) |
| 3304 | { |
| 3305 | return wlan_crypto_get_param(vdev, WLAN_CRYPTO_PARAM_AUTH_MODE) |
| 3306 | & authvalue; |
| 3307 | } |
Ashok Ponnaiah | 455eb68 | 2018-03-19 10:33:22 +0530 | [diff] [blame] | 3308 | qdf_export_symbol(wlan_crypto_vdev_has_auth_mode); |
Ashok Ponnaiah | 2a3df50 | 2017-07-07 17:01:41 +0530 | [diff] [blame] | 3309 | |
| 3310 | /** |
| 3311 | * wlan_crypto_peer_has_auth_mode - check authmode for peer |
Ashok Ponnaiah | 2a3df50 | 2017-07-07 17:01:41 +0530 | [diff] [blame] | 3312 | * @peer: peer |
| 3313 | * @authvalue: authvalue to be checked |
| 3314 | * |
| 3315 | * This function check is authvalue passed is set in peer or not |
| 3316 | * |
| 3317 | * Return: true or false |
| 3318 | */ |
| 3319 | bool wlan_crypto_peer_has_auth_mode(struct wlan_objmgr_peer *peer, |
| 3320 | wlan_crypto_auth_mode authvalue) |
| 3321 | { |
| 3322 | return wlan_crypto_get_peer_param(peer, WLAN_CRYPTO_PARAM_AUTH_MODE) |
| 3323 | & authvalue; |
| 3324 | } |
Ashok Ponnaiah | 455eb68 | 2018-03-19 10:33:22 +0530 | [diff] [blame] | 3325 | qdf_export_symbol(wlan_crypto_peer_has_auth_mode); |
Subrat Mishra | 2b75d6d | 2017-08-07 17:36:25 +0530 | [diff] [blame] | 3326 | |
Ashok Ponnaiah | afb8893 | 2018-04-17 10:15:24 +0530 | [diff] [blame] | 3327 | /** |
| 3328 | * wlan_crypto_vdev_has_ucastcipher - check ucastcipher for vdev |
| 3329 | * @vdev: vdev |
| 3330 | * @ucastcipher: ucastcipher to be checked |
| 3331 | * |
| 3332 | * This function check is ucastcipher passed is set in vdev or not |
| 3333 | * |
| 3334 | * Return: true or false |
| 3335 | */ |
| 3336 | bool wlan_crypto_vdev_has_ucastcipher(struct wlan_objmgr_vdev *vdev, |
| 3337 | wlan_crypto_cipher_type ucastcipher) |
| 3338 | { |
| 3339 | return wlan_crypto_get_param(vdev, WLAN_CRYPTO_PARAM_UCAST_CIPHER) |
| 3340 | & ucastcipher; |
| 3341 | } |
| 3342 | qdf_export_symbol(wlan_crypto_vdev_has_ucastcipher); |
| 3343 | |
| 3344 | /** |
| 3345 | * wlan_crypto_peer_has_ucastcipher - check ucastcipher for peer |
| 3346 | * @peer: peer |
| 3347 | * @ucastcipher: ucastcipher to be checked |
| 3348 | * |
| 3349 | * This function check is ucastcipher passed is set in peer or not |
| 3350 | * |
| 3351 | * Return: true or false |
| 3352 | */ |
| 3353 | bool wlan_crypto_peer_has_ucastcipher(struct wlan_objmgr_peer *peer, |
| 3354 | wlan_crypto_cipher_type ucastcipher) |
| 3355 | { |
| 3356 | return wlan_crypto_get_peer_param(peer, WLAN_CRYPTO_PARAM_UCAST_CIPHER) |
| 3357 | & ucastcipher; |
| 3358 | } |
| 3359 | qdf_export_symbol(wlan_crypto_peer_has_ucastcipher); |
| 3360 | |
| 3361 | /** |
| 3362 | * wlan_crypto_vdev_has_mcastcipher - check mcastcipher for vdev |
| 3363 | * @vdev: vdev |
| 3364 | * @mcastcipher: mcastcipher to be checked |
| 3365 | * |
| 3366 | * This function check is mcastcipher passed is set in vdev or not |
| 3367 | * |
| 3368 | * Return: true or false |
| 3369 | */ |
| 3370 | bool wlan_crypto_vdev_has_mcastcipher(struct wlan_objmgr_vdev *vdev, |
| 3371 | wlan_crypto_cipher_type mcastcipher) |
| 3372 | { |
| 3373 | return wlan_crypto_get_param(vdev, WLAN_CRYPTO_PARAM_MCAST_CIPHER) |
| 3374 | & mcastcipher; |
| 3375 | } |
| 3376 | qdf_export_symbol(wlan_crypto_vdev_has_mcastcipher); |
| 3377 | |
| 3378 | /** |
| 3379 | * wlan_crypto_peer_has_mcastcipher - check mcastcipher for peer |
| 3380 | * @peer: peer |
| 3381 | * @mcastcipher: mcastcipher to be checked |
| 3382 | * |
| 3383 | * This function check is mcastcipher passed is set in peer or not |
| 3384 | * |
| 3385 | * Return: true or false |
| 3386 | */ |
| 3387 | bool wlan_crypto_peer_has_mcastcipher(struct wlan_objmgr_peer *peer, |
| 3388 | wlan_crypto_cipher_type mcastcipher) |
| 3389 | { |
Rohan Dutta | 0bdfabf | 2018-08-01 03:22:36 +0530 | [diff] [blame] | 3390 | return wlan_crypto_get_peer_param(peer, WLAN_CRYPTO_PARAM_MCAST_CIPHER) |
Ashok Ponnaiah | afb8893 | 2018-04-17 10:15:24 +0530 | [diff] [blame] | 3391 | & mcastcipher; |
| 3392 | } |
| 3393 | qdf_export_symbol(wlan_crypto_peer_has_mcastcipher); |
| 3394 | |
Liangwei Dong | 51cff6d | 2019-03-27 05:18:47 -0400 | [diff] [blame] | 3395 | /** |
| 3396 | * wlan_crypto_vdev_has_mgmtcipher - check mgmtcipher for vdev |
| 3397 | * @vdev: vdev |
| 3398 | * @mgmtcipher: mgmtcipher to be checked |
| 3399 | * |
| 3400 | * This function checks any one of mgmtciphers are supported by vdev or not. |
| 3401 | * |
| 3402 | * Return: true or false |
| 3403 | */ |
| 3404 | bool wlan_crypto_vdev_has_mgmtcipher(struct wlan_objmgr_vdev *vdev, |
| 3405 | uint32_t mgmtcipher) |
| 3406 | { |
| 3407 | return (wlan_crypto_get_param(vdev, WLAN_CRYPTO_PARAM_MGMT_CIPHER) |
| 3408 | & mgmtcipher) != 0; |
| 3409 | } |
| 3410 | |
| 3411 | qdf_export_symbol(wlan_crypto_vdev_has_mgmtcipher); |
| 3412 | |
| 3413 | /** |
| 3414 | * wlan_crypto_peer_has_mgmtcipher - check mgmtcipher for peer |
| 3415 | * @peer: peer |
| 3416 | * @mgmtcipher: mgmtcipher to be checked |
| 3417 | * |
| 3418 | * This function checks any one of mgmtciphers are supported by peer or not |
| 3419 | * |
| 3420 | * Return: true or false |
| 3421 | */ |
| 3422 | bool wlan_crypto_peer_has_mgmtcipher(struct wlan_objmgr_peer *peer, |
| 3423 | uint32_t mgmtcipher) |
| 3424 | { |
| 3425 | return (wlan_crypto_get_peer_param(peer, WLAN_CRYPTO_PARAM_MGMT_CIPHER) |
| 3426 | & mgmtcipher) != 0; |
| 3427 | } |
| 3428 | |
| 3429 | qdf_export_symbol(wlan_crypto_peer_has_mgmtcipher); |
| 3430 | |
Subrat Mishra | 2b75d6d | 2017-08-07 17:36:25 +0530 | [diff] [blame] | 3431 | uint8_t wlan_crypto_get_peer_fils_aead(struct wlan_objmgr_peer *peer) |
| 3432 | { |
| 3433 | struct wlan_crypto_comp_priv *crypto_priv = NULL; |
| 3434 | |
| 3435 | if (!peer) { |
Vignesh Mohan | 9d1c7a2 | 2018-08-20 16:35:00 +0530 | [diff] [blame] | 3436 | crypto_err("Invalid Input"); |
Subrat Mishra | 2b75d6d | 2017-08-07 17:36:25 +0530 | [diff] [blame] | 3437 | return 0; |
| 3438 | } |
| 3439 | |
| 3440 | crypto_priv = wlan_get_peer_crypto_obj(peer); |
| 3441 | if (!crypto_priv) { |
Vignesh Mohan | 9d1c7a2 | 2018-08-20 16:35:00 +0530 | [diff] [blame] | 3442 | crypto_err("crypto_priv NULL"); |
Subrat Mishra | 2b75d6d | 2017-08-07 17:36:25 +0530 | [diff] [blame] | 3443 | return 0; |
| 3444 | } |
| 3445 | |
| 3446 | return crypto_priv->fils_aead_set; |
| 3447 | } |
| 3448 | |
| 3449 | void |
| 3450 | wlan_crypto_set_peer_fils_aead(struct wlan_objmgr_peer *peer, uint8_t value) |
| 3451 | { |
| 3452 | struct wlan_crypto_comp_priv *crypto_priv = NULL; |
| 3453 | |
| 3454 | if (!peer) { |
Vignesh Mohan | 9d1c7a2 | 2018-08-20 16:35:00 +0530 | [diff] [blame] | 3455 | crypto_err("Invalid Input"); |
Subrat Mishra | 2b75d6d | 2017-08-07 17:36:25 +0530 | [diff] [blame] | 3456 | return; |
| 3457 | } |
| 3458 | |
| 3459 | crypto_priv = wlan_get_peer_crypto_obj(peer); |
| 3460 | if (!crypto_priv) { |
Vignesh Mohan | 9d1c7a2 | 2018-08-20 16:35:00 +0530 | [diff] [blame] | 3461 | crypto_err("crypto_priv NULL"); |
Subrat Mishra | 2b75d6d | 2017-08-07 17:36:25 +0530 | [diff] [blame] | 3462 | return; |
| 3463 | } |
| 3464 | |
| 3465 | crypto_priv->fils_aead_set = value; |
| 3466 | } |
Padma Raghunathan | 9492161 | 2018-04-30 10:02:09 +0530 | [diff] [blame] | 3467 | |
| 3468 | /** |
Padma Raghunathan | 51d1103 | 2018-04-09 10:21:37 +0530 | [diff] [blame] | 3469 | * wlan_crypto_get_key_header - get header length |
| 3470 | * @key: key |
| 3471 | * |
| 3472 | * This function gets header length based on keytype |
| 3473 | * |
| 3474 | * Return: header length |
| 3475 | */ |
| 3476 | uint8_t wlan_crypto_get_key_header(struct wlan_crypto_key *key) |
| 3477 | { |
| 3478 | struct wlan_crypto_cipher *cipher_table; |
| 3479 | |
| 3480 | cipher_table = (struct wlan_crypto_cipher *)key->cipher_table; |
| 3481 | if (cipher_table) |
| 3482 | return cipher_table->header; |
| 3483 | else |
| 3484 | return 0; |
| 3485 | } |
| 3486 | |
| 3487 | qdf_export_symbol(wlan_crypto_get_key_header); |
| 3488 | |
| 3489 | /** |
| 3490 | * wlan_crypto_get_key_trailer - get cipher trailer length |
| 3491 | * @key: key |
| 3492 | * |
| 3493 | * This function gets cipher trailer length based on keytype |
| 3494 | * |
| 3495 | * Return: cipher trailer length |
| 3496 | */ |
| 3497 | uint8_t wlan_crypto_get_key_trailer(struct wlan_crypto_key *key) |
| 3498 | { |
| 3499 | struct wlan_crypto_cipher *cipher_table; |
| 3500 | |
| 3501 | cipher_table = (struct wlan_crypto_cipher *)key->cipher_table; |
| 3502 | if (cipher_table) |
| 3503 | return cipher_table->trailer; |
| 3504 | else |
| 3505 | return 0; |
| 3506 | } |
| 3507 | |
| 3508 | qdf_export_symbol(wlan_crypto_get_key_trailer); |
| 3509 | |
| 3510 | /** |
| 3511 | * wlan_crypto_get_key_miclen - get cipher miclen length |
| 3512 | * @key: key |
| 3513 | * |
| 3514 | * This function gets cipher miclen length based on keytype |
| 3515 | * |
| 3516 | * Return: cipher miclen length |
| 3517 | */ |
| 3518 | uint8_t wlan_crypto_get_key_miclen(struct wlan_crypto_key *key) |
| 3519 | { |
| 3520 | struct wlan_crypto_cipher *cipher_table; |
| 3521 | |
| 3522 | cipher_table = (struct wlan_crypto_cipher *)key->cipher_table; |
| 3523 | if (cipher_table) |
| 3524 | return cipher_table->miclen; |
| 3525 | else |
| 3526 | return 0; |
| 3527 | } |
| 3528 | |
| 3529 | qdf_export_symbol(wlan_crypto_get_key_miclen); |
| 3530 | |
| 3531 | /** |
Padma Raghunathan | 9492161 | 2018-04-30 10:02:09 +0530 | [diff] [blame] | 3532 | * wlan_crypto_get_keyid - get keyid from frame |
| 3533 | * @data: frame |
| 3534 | * |
| 3535 | * This function parse frame and returns keyid |
| 3536 | * |
| 3537 | * Return: keyid |
| 3538 | */ |
| 3539 | uint16_t wlan_crypto_get_keyid(uint8_t *data, int hdrlen) |
| 3540 | { |
Disha Das | df10f65 | 2018-12-10 16:20:56 +0530 | [diff] [blame] | 3541 | struct wlan_frame_hdr *hdr = (struct wlan_frame_hdr *)data; |
Padma Raghunathan | 9492161 | 2018-04-30 10:02:09 +0530 | [diff] [blame] | 3542 | uint8_t *iv; |
Disha Das | df10f65 | 2018-12-10 16:20:56 +0530 | [diff] [blame] | 3543 | uint8_t stype = WLAN_FC0_GET_STYPE(hdr->i_fc[0]); |
Subrat Mishra | 4493d2d | 2018-05-21 12:20:52 +0530 | [diff] [blame] | 3544 | |
| 3545 | /* |
| 3546 | * In FILS SK (Re)Association request/response frame has |
| 3547 | * to be decrypted |
| 3548 | */ |
| 3549 | if ((stype == WLAN_FC0_STYPE_ASSOC_REQ) || |
| 3550 | (stype == WLAN_FC0_STYPE_REASSOC_REQ) || |
| 3551 | (stype == WLAN_FC0_STYPE_ASSOC_RESP) || |
| 3552 | (stype == WLAN_FC0_STYPE_REASSOC_RESP)) { |
| 3553 | return 0; |
| 3554 | } |
Padma Raghunathan | 9492161 | 2018-04-30 10:02:09 +0530 | [diff] [blame] | 3555 | |
Disha Das | df10f65 | 2018-12-10 16:20:56 +0530 | [diff] [blame] | 3556 | if (hdr->i_fc[1] & WLAN_FC1_ISWEP) { |
Padma Raghunathan | 9492161 | 2018-04-30 10:02:09 +0530 | [diff] [blame] | 3557 | iv = data + hdrlen; |
| 3558 | /* |
| 3559 | * iv[3] is the Key ID octet in the CCMP/TKIP/WEP headers |
| 3560 | * Bits 6–7 of the Key ID octet are for the Key ID subfield |
| 3561 | */ |
| 3562 | return ((iv[3] >> 6) & 0x3); |
| 3563 | } else { |
| 3564 | return WLAN_CRYPTO_KEYIX_NONE; |
| 3565 | } |
| 3566 | } |
| 3567 | |
| 3568 | qdf_export_symbol(wlan_crypto_get_keyid); |
Padma Raghunathan | 43ebaa7 | 2018-04-30 09:46:38 +0530 | [diff] [blame] | 3569 | |
| 3570 | /** |
| 3571 | * crypto_plumb_peer_keys - called during radio reset |
| 3572 | * @vdev: vdev |
| 3573 | * @object: peer |
| 3574 | * @arg: psoc |
| 3575 | * |
| 3576 | * Restore unicast and persta hardware keys |
| 3577 | * |
| 3578 | * Return: void |
| 3579 | */ |
| 3580 | static void crypto_plumb_peer_keys(struct wlan_objmgr_vdev *vdev, |
| 3581 | void *object, void *arg) { |
| 3582 | struct wlan_objmgr_peer *peer = (struct wlan_objmgr_peer *)object; |
| 3583 | struct wlan_objmgr_psoc *psoc = (struct wlan_objmgr_psoc *)arg; |
| 3584 | struct wlan_crypto_comp_priv *crypto_priv; |
| 3585 | struct wlan_crypto_params *crypto_params; |
| 3586 | struct wlan_crypto_key *key = NULL; |
| 3587 | int i; |
| 3588 | |
Jeff Johnson | f3a2b89 | 2019-03-20 12:07:03 -0700 | [diff] [blame] | 3589 | if ((!peer) || (!vdev) || (!psoc)) { |
Vignesh Mohan | 9d1c7a2 | 2018-08-20 16:35:00 +0530 | [diff] [blame] | 3590 | crypto_err("Peer or vdev or psoc objects are null!"); |
Padma Raghunathan | 43ebaa7 | 2018-04-30 09:46:38 +0530 | [diff] [blame] | 3591 | return; |
| 3592 | } |
| 3593 | |
| 3594 | crypto_params = wlan_crypto_peer_get_comp_params(peer, |
| 3595 | &crypto_priv); |
| 3596 | |
| 3597 | if (!crypto_priv) { |
Vignesh Mohan | 9d1c7a2 | 2018-08-20 16:35:00 +0530 | [diff] [blame] | 3598 | crypto_err("crypto_priv NULL"); |
Padma Raghunathan | 43ebaa7 | 2018-04-30 09:46:38 +0530 | [diff] [blame] | 3599 | return; |
| 3600 | } |
| 3601 | |
| 3602 | for (i = 0; i < WLAN_CRYPTO_MAXKEYIDX; i++) { |
| 3603 | key = crypto_priv->key[i]; |
| 3604 | if (key && key->valid) { |
| 3605 | if (WLAN_CRYPTO_TX_OPS_SETKEY(psoc)) { |
| 3606 | WLAN_CRYPTO_TX_OPS_SETKEY(psoc) |
| 3607 | ( |
| 3608 | vdev, |
| 3609 | key, |
| 3610 | wlan_peer_get_macaddr(peer), |
| 3611 | wlan_crypto_get_key_type(key) |
| 3612 | ); |
| 3613 | } |
| 3614 | } |
| 3615 | } |
| 3616 | } |
| 3617 | |
| 3618 | /** |
| 3619 | * wlan_crypto_restore_keys - called during radio reset |
| 3620 | * @vdev: vdev |
| 3621 | * |
| 3622 | * Clear and restore keycache, needed for some DA chipsets which put |
| 3623 | * random values in keycache when phy reset is triggered |
| 3624 | * |
| 3625 | * Return: void |
| 3626 | */ |
| 3627 | void wlan_crypto_restore_keys(struct wlan_objmgr_vdev *vdev) |
| 3628 | { |
| 3629 | int i; |
| 3630 | struct wlan_crypto_comp_priv *crypto_priv; |
| 3631 | struct wlan_crypto_params *crypto_params; |
| 3632 | struct wlan_crypto_key *key; |
Disha Das | df10f65 | 2018-12-10 16:20:56 +0530 | [diff] [blame] | 3633 | uint8_t macaddr[QDF_MAC_ADDR_SIZE] = |
| 3634 | {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; |
Padma Raghunathan | 43ebaa7 | 2018-04-30 09:46:38 +0530 | [diff] [blame] | 3635 | struct wlan_objmgr_pdev *pdev = NULL; |
| 3636 | struct wlan_objmgr_psoc *psoc = NULL; |
| 3637 | |
| 3638 | pdev = wlan_vdev_get_pdev(vdev); |
| 3639 | psoc = wlan_vdev_get_psoc(vdev); |
Jeff Johnson | f3a2b89 | 2019-03-20 12:07:03 -0700 | [diff] [blame] | 3640 | if (!pdev) { |
Vignesh Mohan | 9d1c7a2 | 2018-08-20 16:35:00 +0530 | [diff] [blame] | 3641 | crypto_err("pdev is NULL"); |
Padma Raghunathan | 43ebaa7 | 2018-04-30 09:46:38 +0530 | [diff] [blame] | 3642 | return; |
| 3643 | } |
Jeff Johnson | f3a2b89 | 2019-03-20 12:07:03 -0700 | [diff] [blame] | 3644 | if (!psoc) { |
Vignesh Mohan | 9d1c7a2 | 2018-08-20 16:35:00 +0530 | [diff] [blame] | 3645 | crypto_err("psoc is NULL"); |
Padma Raghunathan | 43ebaa7 | 2018-04-30 09:46:38 +0530 | [diff] [blame] | 3646 | return; |
| 3647 | } |
| 3648 | |
| 3649 | /* TBD: QWRAP key restore*/ |
| 3650 | /* crypto is on */ |
| 3651 | if (wlan_vdev_mlme_feat_cap_get(vdev, WLAN_VDEV_F_PRIVACY)) { |
| 3652 | /* restore static shared keys */ |
| 3653 | for (i = 0; i < WLAN_CRYPTO_MAXKEYIDX; i++) { |
| 3654 | crypto_params = wlan_crypto_vdev_get_comp_params |
| 3655 | ( |
| 3656 | vdev, |
| 3657 | &crypto_priv |
| 3658 | ); |
| 3659 | if (!crypto_priv) { |
Vignesh Mohan | 9d1c7a2 | 2018-08-20 16:35:00 +0530 | [diff] [blame] | 3660 | crypto_err("crypto_priv is NULL"); |
Padma Raghunathan | 43ebaa7 | 2018-04-30 09:46:38 +0530 | [diff] [blame] | 3661 | return; |
| 3662 | } |
| 3663 | key = crypto_priv->key[i]; |
| 3664 | if (key && key->valid) { |
| 3665 | if (WLAN_CRYPTO_TX_OPS_SETKEY(psoc)) { |
| 3666 | WLAN_CRYPTO_TX_OPS_SETKEY(psoc) |
| 3667 | ( |
| 3668 | vdev, |
| 3669 | key, |
| 3670 | macaddr, |
| 3671 | wlan_crypto_get_key_type(key) |
| 3672 | ); |
| 3673 | } |
| 3674 | } |
| 3675 | } |
| 3676 | |
| 3677 | wlan_objmgr_iterate_peerobj_list(vdev, |
| 3678 | crypto_plumb_peer_keys, |
| 3679 | psoc, |
| 3680 | WLAN_CRYPTO_ID); |
| 3681 | } |
| 3682 | } |
Kiran Kumar Lokere | 605e7a7 | 2018-08-30 16:33:26 -0700 | [diff] [blame] | 3683 | |
| 3684 | /** |
| 3685 | * wlan_crypto_check_open_none - called by ucfg to check for open security |
| 3686 | * @psoc: psoc pointer |
| 3687 | * @vdev_id: vdev id |
| 3688 | * |
| 3689 | * This function gets called from ucfg to check open security. |
| 3690 | * |
| 3691 | * Return: true or false |
| 3692 | */ |
| 3693 | bool wlan_crypto_check_open_none(struct wlan_objmgr_psoc *psoc, uint8_t vdev_id) |
| 3694 | { |
| 3695 | struct wlan_crypto_comp_priv *crypto_priv; |
| 3696 | struct wlan_crypto_params *crypto_params; |
| 3697 | struct wlan_objmgr_vdev *vdev; |
| 3698 | bool match = true; |
| 3699 | |
| 3700 | if (!psoc) { |
| 3701 | crypto_err("PSOC is NULL"); |
| 3702 | return false; |
| 3703 | } |
| 3704 | vdev = wlan_objmgr_get_vdev_by_id_from_psoc(psoc, vdev_id, |
| 3705 | WLAN_CRYPTO_ID); |
| 3706 | if (!vdev) { |
| 3707 | crypto_err("vdev is NULL"); |
| 3708 | return false; |
| 3709 | } |
| 3710 | |
| 3711 | crypto_priv = (struct wlan_crypto_comp_priv *) |
| 3712 | wlan_get_vdev_crypto_obj(vdev); |
| 3713 | |
| 3714 | if (!crypto_priv) { |
| 3715 | crypto_err("crypto_priv NULL"); |
| 3716 | match = false; |
| 3717 | goto send_res; |
| 3718 | } |
| 3719 | |
| 3720 | crypto_params = &crypto_priv->crypto_params; |
| 3721 | |
| 3722 | if (crypto_params->mcastcipherset != WLAN_CRYPTO_CIPHER_NONE) { |
| 3723 | match = false; |
| 3724 | goto send_res; |
| 3725 | } |
| 3726 | |
| 3727 | if ((crypto_params->authmodeset != WLAN_CRYPTO_AUTH_AUTO) && |
| 3728 | (crypto_params->authmodeset != WLAN_CRYPTO_AUTH_NONE)) |
| 3729 | match = false; |
| 3730 | |
| 3731 | send_res: |
| 3732 | wlan_objmgr_vdev_release_ref(vdev, WLAN_CRYPTO_ID); |
| 3733 | |
| 3734 | return match; |
| 3735 | } |
| 3736 | |
| 3737 | /** |
| 3738 | * wlan_crypto_check_wep - called by ucfg to check for WEP security |
| 3739 | * @psoc: psoc pointer |
| 3740 | * @vdev_id: vdev id |
| 3741 | * |
| 3742 | * This function gets called from ucfg to check WEP security. |
| 3743 | * |
| 3744 | * Return: true or false |
| 3745 | */ |
| 3746 | bool wlan_crypto_check_wep(struct wlan_objmgr_psoc *psoc, uint8_t vdev_id) |
| 3747 | { |
| 3748 | struct wlan_crypto_comp_priv *crypto_priv; |
| 3749 | struct wlan_crypto_params *crypto_params; |
| 3750 | struct wlan_objmgr_vdev *vdev; |
| 3751 | bool match = true; |
| 3752 | |
| 3753 | if (!psoc) { |
| 3754 | crypto_err("PSOC is NULL"); |
| 3755 | return false; |
| 3756 | } |
| 3757 | vdev = wlan_objmgr_get_vdev_by_id_from_psoc(psoc, vdev_id, |
| 3758 | WLAN_CRYPTO_ID); |
| 3759 | if (!vdev) { |
| 3760 | crypto_err("vdev is NULL"); |
| 3761 | return false; |
| 3762 | } |
| 3763 | |
| 3764 | crypto_priv = (struct wlan_crypto_comp_priv *) |
| 3765 | wlan_get_vdev_crypto_obj(vdev); |
| 3766 | |
| 3767 | if (!crypto_priv) { |
| 3768 | crypto_err("crypto_priv NULL"); |
| 3769 | match = false; |
| 3770 | goto send_res; |
| 3771 | } |
| 3772 | |
| 3773 | crypto_params = &crypto_priv->crypto_params; |
| 3774 | |
| 3775 | if ((crypto_params->ucastcipherset != WLAN_CRYPTO_CIPHER_WEP) && |
| 3776 | (crypto_params->ucastcipherset != WLAN_CRYPTO_CIPHER_WEP_40) && |
| 3777 | (crypto_params->ucastcipherset != WLAN_CRYPTO_CIPHER_WEP_104)) { |
| 3778 | match = false; |
| 3779 | goto send_res; |
| 3780 | } |
| 3781 | if ((crypto_params->mcastcipherset != WLAN_CRYPTO_CIPHER_WEP) && |
| 3782 | (crypto_params->mcastcipherset != WLAN_CRYPTO_CIPHER_WEP_40) && |
| 3783 | (crypto_params->mcastcipherset != WLAN_CRYPTO_CIPHER_WEP_104)) { |
| 3784 | match = false; |
| 3785 | goto send_res; |
| 3786 | } |
| 3787 | if (crypto_params->ucastcipherset != crypto_params->mcastcipherset) { |
| 3788 | match = false; |
| 3789 | goto send_res; |
| 3790 | } |
| 3791 | if ((crypto_params->authmodeset != WLAN_CRYPTO_AUTH_AUTO) && |
| 3792 | (crypto_params->authmodeset != WLAN_CRYPTO_AUTH_OPEN) && |
| 3793 | (crypto_params->authmodeset != WLAN_CRYPTO_AUTH_SHARED)) { |
| 3794 | match = false; |
| 3795 | } |
| 3796 | send_res: |
| 3797 | wlan_objmgr_vdev_release_ref(vdev, WLAN_CRYPTO_ID); |
| 3798 | |
| 3799 | return match; |
| 3800 | } |
| 3801 | |
| 3802 | static QDF_STATUS |
| 3803 | wlan_get_crypto_params_from_rsn_ie(struct wlan_crypto_params *crypto_params, |
| 3804 | uint8_t *ie_ptr, uint16_t ie_len) |
| 3805 | { |
| 3806 | const uint8_t *rsn_ie = NULL; |
| 3807 | QDF_STATUS status; |
| 3808 | |
| 3809 | qdf_mem_zero(crypto_params, sizeof(struct wlan_crypto_params)); |
| 3810 | rsn_ie = wlan_get_ie_ptr_from_eid(WLAN_ELEMID_RSN, ie_ptr, ie_len); |
| 3811 | if (!rsn_ie) { |
| 3812 | crypto_err("RSN IE NULL"); |
| 3813 | return QDF_STATUS_E_INVAL; |
| 3814 | } |
| 3815 | |
| 3816 | status = wlan_crypto_rsnie_check(crypto_params, (uint8_t *)rsn_ie); |
| 3817 | if (QDF_STATUS_SUCCESS != status) { |
| 3818 | crypto_err("RSN IE check failed"); |
| 3819 | return status; |
| 3820 | } |
| 3821 | |
| 3822 | return QDF_STATUS_SUCCESS; |
| 3823 | } |
| 3824 | |
| 3825 | static QDF_STATUS |
| 3826 | wlan_get_crypto_params_from_wpa_ie(struct wlan_crypto_params *crypto_params, |
| 3827 | uint8_t *ie_ptr, uint16_t ie_len) |
| 3828 | { |
| 3829 | const uint8_t *wpa_ie = NULL; |
| 3830 | uint32_t wpa_oui; |
| 3831 | QDF_STATUS status; |
| 3832 | |
| 3833 | qdf_mem_zero(crypto_params, sizeof(struct wlan_crypto_params)); |
| 3834 | |
| 3835 | wpa_oui = WLAN_WPA_SEL(WLAN_WPA_OUI_TYPE); |
| 3836 | wpa_ie = wlan_get_vendor_ie_ptr_from_oui((uint8_t *)&wpa_oui, |
| 3837 | WLAN_OUI_SIZE, ie_ptr, ie_len); |
| 3838 | if (!wpa_ie) { |
| 3839 | crypto_err("WPA IE NULL"); |
| 3840 | return QDF_STATUS_E_INVAL; |
| 3841 | } |
| 3842 | |
| 3843 | status = wlan_crypto_wpaie_check(crypto_params, (uint8_t *)wpa_ie); |
| 3844 | if (QDF_STATUS_SUCCESS != status) { |
| 3845 | crypto_err("WPA IE check failed"); |
| 3846 | return status; |
| 3847 | } |
| 3848 | |
| 3849 | return QDF_STATUS_SUCCESS; |
| 3850 | } |
| 3851 | /** |
| 3852 | * wlan_crypto_check_rsn_match - called by ucfg to check for RSN match |
| 3853 | * @psoc: psoc pointer |
| 3854 | * @vdev_id: vdev id |
| 3855 | * @ie_ptr: pointer to IEs |
| 3856 | * @ie_len: IE length |
| 3857 | * |
| 3858 | * This function gets called from ucfg to check RSN match. |
| 3859 | * |
| 3860 | * Return: true or false |
| 3861 | */ |
| 3862 | bool wlan_crypto_check_rsn_match(struct wlan_objmgr_psoc *psoc, |
| 3863 | uint8_t vdev_id, uint8_t *ie_ptr, |
| 3864 | uint16_t ie_len) |
| 3865 | { |
| 3866 | struct wlan_crypto_params peer_crypto_params; |
| 3867 | struct wlan_objmgr_vdev *vdev; |
| 3868 | bool match = true; |
| 3869 | QDF_STATUS status; |
| 3870 | |
| 3871 | if (!psoc) { |
| 3872 | crypto_err("PSOC is NULL"); |
| 3873 | return false; |
| 3874 | } |
| 3875 | status = wlan_get_crypto_params_from_rsn_ie(&peer_crypto_params, |
| 3876 | ie_ptr, ie_len); |
| 3877 | if (QDF_STATUS_SUCCESS != status) { |
| 3878 | crypto_err("get crypto prarams from RSN IE failed"); |
| 3879 | return false; |
| 3880 | } |
| 3881 | vdev = wlan_objmgr_get_vdev_by_id_from_psoc(psoc, vdev_id, |
| 3882 | WLAN_CRYPTO_ID); |
| 3883 | if (!vdev) { |
| 3884 | crypto_err("vdev is NULL"); |
| 3885 | return false; |
| 3886 | } |
| 3887 | |
| 3888 | match = wlan_crypto_rsn_info(vdev, &peer_crypto_params); |
| 3889 | wlan_objmgr_vdev_release_ref(vdev, WLAN_CRYPTO_ID); |
| 3890 | |
| 3891 | return match; |
| 3892 | } |
| 3893 | |
| 3894 | /** |
| 3895 | * wlan_crypto_check_wpa_match - called by ucfg to check for WPA match |
| 3896 | * @psoc: psoc pointer |
| 3897 | * @vdev_id: vdev id |
| 3898 | * @ie_ptr: pointer to IEs |
| 3899 | * @ie_len: IE length |
| 3900 | * |
| 3901 | * This function gets called from ucfg to check WPA match. |
| 3902 | * |
| 3903 | * Return: true or false |
| 3904 | */ |
| 3905 | bool wlan_crypto_check_wpa_match(struct wlan_objmgr_psoc *psoc, |
| 3906 | uint8_t vdev_id, uint8_t *ie_ptr, |
| 3907 | uint16_t ie_len) |
| 3908 | { |
| 3909 | struct wlan_crypto_params peer_crypto_params; |
| 3910 | struct wlan_objmgr_vdev *vdev; |
| 3911 | bool match = true; |
| 3912 | QDF_STATUS status; |
| 3913 | |
| 3914 | if (!psoc) { |
| 3915 | crypto_err("PSOC is NULL"); |
| 3916 | return false; |
| 3917 | } |
| 3918 | vdev = wlan_objmgr_get_vdev_by_id_from_psoc(psoc, vdev_id, |
| 3919 | WLAN_CRYPTO_ID); |
| 3920 | if (!vdev) { |
| 3921 | crypto_err("vdev is NULL"); |
| 3922 | return false; |
| 3923 | } |
| 3924 | |
| 3925 | status = wlan_get_crypto_params_from_wpa_ie(&peer_crypto_params, |
| 3926 | ie_ptr, ie_len); |
| 3927 | if (QDF_STATUS_SUCCESS != status) { |
| 3928 | crypto_err("get crypto prarams from WPA IE failed"); |
| 3929 | match = false; |
| 3930 | goto send_res; |
| 3931 | } |
| 3932 | match = wlan_crypto_rsn_info(vdev, &peer_crypto_params); |
| 3933 | send_res: |
| 3934 | wlan_objmgr_vdev_release_ref(vdev, WLAN_CRYPTO_ID); |
| 3935 | |
| 3936 | return match; |
| 3937 | } |
| 3938 | |
| 3939 | |
| 3940 | static void |
| 3941 | wlan_crypto_merge_prarams(struct wlan_crypto_params *dst_params, |
| 3942 | struct wlan_crypto_params *src_params) |
| 3943 | { |
| 3944 | dst_params->authmodeset |= src_params->authmodeset; |
| 3945 | dst_params->ucastcipherset |= src_params->ucastcipherset; |
| 3946 | dst_params->mcastcipherset |= src_params->mcastcipherset; |
| 3947 | dst_params->mgmtcipherset |= src_params->mgmtcipherset; |
| 3948 | dst_params->cipher_caps |= src_params->cipher_caps; |
| 3949 | dst_params->key_mgmt |= src_params->key_mgmt; |
| 3950 | dst_params->rsn_caps |= src_params->rsn_caps; |
| 3951 | } |
| 3952 | |
Liangwei Dong | ca4abcf | 2019-03-20 04:06:54 -0400 | [diff] [blame] | 3953 | static void |
| 3954 | wlan_crypto_reset_prarams(struct wlan_crypto_params *params) |
| 3955 | { |
| 3956 | params->authmodeset = 0; |
| 3957 | params->ucastcipherset = 0; |
| 3958 | params->mcastcipherset = 0; |
| 3959 | params->mgmtcipherset = 0; |
| 3960 | params->cipher_caps = 0; |
| 3961 | params->key_mgmt = 0; |
| 3962 | params->rsn_caps = 0; |
| 3963 | } |
| 3964 | |
Kiran Kumar Lokere | 605e7a7 | 2018-08-30 16:33:26 -0700 | [diff] [blame] | 3965 | QDF_STATUS wlan_set_vdev_crypto_prarams_from_ie(struct wlan_objmgr_vdev *vdev, |
| 3966 | uint8_t *ie_ptr, |
| 3967 | uint16_t ie_len) |
| 3968 | { |
| 3969 | struct wlan_crypto_params crypto_params; |
| 3970 | QDF_STATUS status; |
| 3971 | struct wlan_crypto_params *vdev_crypto_params; |
| 3972 | struct wlan_crypto_comp_priv *crypto_priv; |
| 3973 | bool send_fail = false; |
| 3974 | |
| 3975 | if (!vdev) { |
| 3976 | crypto_err("VDEV is NULL"); |
| 3977 | return QDF_STATUS_E_FAILURE; |
| 3978 | } |
| 3979 | |
| 3980 | if (!ie_ptr) { |
| 3981 | crypto_err("IE ptr is NULL"); |
| 3982 | return QDF_STATUS_E_FAILURE; |
| 3983 | } |
| 3984 | |
| 3985 | crypto_priv = (struct wlan_crypto_comp_priv *) |
| 3986 | wlan_get_vdev_crypto_obj(vdev); |
| 3987 | |
| 3988 | if (!crypto_priv) { |
| 3989 | crypto_err("crypto_priv NULL"); |
| 3990 | return QDF_STATUS_E_FAILURE; |
| 3991 | } |
| 3992 | |
| 3993 | vdev_crypto_params = &crypto_priv->crypto_params; |
| 3994 | |
Liangwei Dong | ca4abcf | 2019-03-20 04:06:54 -0400 | [diff] [blame] | 3995 | wlan_crypto_reset_prarams(vdev_crypto_params); |
Kiran Kumar Lokere | 605e7a7 | 2018-08-30 16:33:26 -0700 | [diff] [blame] | 3996 | status = wlan_get_crypto_params_from_rsn_ie(&crypto_params, |
| 3997 | ie_ptr, ie_len); |
| 3998 | if (QDF_STATUS_SUCCESS == status) { |
| 3999 | wlan_crypto_merge_prarams(vdev_crypto_params, &crypto_params); |
| 4000 | } else { |
| 4001 | crypto_err("get crypto prarams from RSN IE failed"); |
| 4002 | send_fail = true; |
| 4003 | } |
| 4004 | |
| 4005 | status = wlan_get_crypto_params_from_wpa_ie(&crypto_params, |
| 4006 | ie_ptr, ie_len); |
| 4007 | if (QDF_STATUS_SUCCESS == status) { |
| 4008 | wlan_crypto_merge_prarams(vdev_crypto_params, &crypto_params); |
| 4009 | send_fail = false; |
| 4010 | } else { |
Bala Venkatesh | ae946e3 | 2019-08-26 19:14:14 +0530 | [diff] [blame] | 4011 | crypto_debug("get crypto prarams from WPA IE failed"); |
Kiran Kumar Lokere | 605e7a7 | 2018-08-30 16:33:26 -0700 | [diff] [blame] | 4012 | } |
| 4013 | |
| 4014 | return send_fail ? QDF_STATUS_E_FAILURE : QDF_STATUS_SUCCESS; |
| 4015 | } |
Kiran Kumar Lokere | 25531c4 | 2018-09-19 13:48:48 -0700 | [diff] [blame] | 4016 | |
| 4017 | int8_t wlan_crypto_get_default_key_idx(struct wlan_objmgr_vdev *vdev, bool igtk) |
| 4018 | { |
| 4019 | struct wlan_crypto_comp_priv *crypto_priv; |
| 4020 | |
| 4021 | crypto_priv = wlan_get_vdev_crypto_obj(vdev); |
| 4022 | if (!crypto_priv) { |
| 4023 | crypto_err("crypto_priv NULL"); |
| 4024 | return QDF_STATUS_E_FAILURE; |
| 4025 | } |
| 4026 | |
| 4027 | if (igtk) |
| 4028 | return crypto_priv->def_igtk_tx_keyid; |
| 4029 | else |
| 4030 | return crypto_priv->def_tx_keyid; |
| 4031 | } |
| 4032 | |
| 4033 | enum wlan_crypto_cipher_type |
| 4034 | wlan_crypto_get_cipher(struct wlan_objmgr_vdev *vdev, |
| 4035 | bool pairwise, uint8_t key_index) |
| 4036 | { |
| 4037 | struct wlan_crypto_key *crypto_key; |
| 4038 | |
| 4039 | crypto_key = wlan_crypto_get_key(vdev, key_index); |
| 4040 | |
| 4041 | if (crypto_key) |
| 4042 | return crypto_key->cipher_type; |
| 4043 | else |
| 4044 | return WLAN_CRYPTO_CIPHER_INVALID; |
| 4045 | } |
| 4046 | |
| 4047 | #ifdef CRYPTO_SET_KEY_CONVERGED |
| 4048 | QDF_STATUS wlan_crypto_validate_key_params(enum wlan_crypto_cipher_type cipher, |
| 4049 | uint8_t key_index, uint8_t key_len, |
| 4050 | uint8_t seq_len) |
| 4051 | { |
| 4052 | if (key_index >= (WLAN_CRYPTO_MAXKEYIDX + WLAN_CRYPTO_MAXIGTKKEYIDX)) { |
| 4053 | crypto_err("Invalid Key index %d", key_index); |
| 4054 | return QDF_STATUS_E_INVAL; |
| 4055 | } |
| 4056 | if (cipher == WLAN_CRYPTO_CIPHER_INVALID) { |
| 4057 | crypto_err("Invalid Cipher %d", cipher); |
| 4058 | return QDF_STATUS_E_INVAL; |
| 4059 | } |
| 4060 | if ((!(cipher == WLAN_CRYPTO_CIPHER_AES_CMAC || |
| 4061 | cipher == WLAN_CRYPTO_CIPHER_AES_CMAC_256 || |
| 4062 | cipher == WLAN_CRYPTO_CIPHER_AES_GMAC || |
| 4063 | cipher == WLAN_CRYPTO_CIPHER_AES_GMAC_256)) && |
| 4064 | (key_index >= WLAN_CRYPTO_MAXKEYIDX)) { |
| 4065 | crypto_err("Invalid key index %d for cipher %d", |
| 4066 | key_index, cipher); |
| 4067 | return QDF_STATUS_E_INVAL; |
| 4068 | } |
| 4069 | if (key_len > (WLAN_CRYPTO_KEYBUF_SIZE + WLAN_CRYPTO_MICBUF_SIZE)) { |
| 4070 | crypto_err("Invalid key length %d", key_len); |
| 4071 | return QDF_STATUS_E_INVAL; |
| 4072 | } |
| 4073 | |
| 4074 | if (seq_len > WLAN_CRYPTO_RSC_SIZE) { |
| 4075 | crypto_err("Invalid seq length %d", seq_len); |
| 4076 | return QDF_STATUS_E_INVAL; |
| 4077 | } |
| 4078 | |
| 4079 | crypto_debug("key: idx:%d, len:%d, seq len:%d", |
| 4080 | key_index, key_len, seq_len); |
| 4081 | |
| 4082 | return QDF_STATUS_SUCCESS; |
| 4083 | } |
| 4084 | |
| 4085 | QDF_STATUS wlan_crypto_save_key(struct wlan_objmgr_vdev *vdev, |
| 4086 | uint8_t key_index, |
| 4087 | struct wlan_crypto_key *crypto_key) |
| 4088 | { |
| 4089 | struct wlan_crypto_comp_priv *crypto_priv; |
| 4090 | |
| 4091 | crypto_priv = wlan_get_vdev_crypto_obj(vdev); |
| 4092 | if (!crypto_priv) { |
| 4093 | crypto_err("crypto_priv NULL"); |
| 4094 | return QDF_STATUS_E_FAILURE; |
| 4095 | } |
| 4096 | if (key_index >= (WLAN_CRYPTO_MAXKEYIDX + WLAN_CRYPTO_MAXIGTKKEYIDX)) { |
| 4097 | crypto_err("Invalid Key index %d", key_index); |
| 4098 | return QDF_STATUS_E_FAILURE; |
| 4099 | } |
| 4100 | if (key_index < WLAN_CRYPTO_MAXKEYIDX) |
| 4101 | crypto_priv->key[key_index] = crypto_key; |
| 4102 | else |
| 4103 | crypto_priv->igtk_key[key_index - WLAN_CRYPTO_MAXKEYIDX] = |
| 4104 | crypto_key; |
| 4105 | |
| 4106 | return QDF_STATUS_SUCCESS; |
| 4107 | } |
| 4108 | |
| 4109 | struct wlan_crypto_key *wlan_crypto_get_key(struct wlan_objmgr_vdev *vdev, |
| 4110 | uint8_t key_index) |
| 4111 | { |
| 4112 | struct wlan_crypto_comp_priv *crypto_priv; |
| 4113 | |
| 4114 | crypto_priv = wlan_get_vdev_crypto_obj(vdev); |
| 4115 | if (!crypto_priv) { |
| 4116 | crypto_err("crypto_priv NULL"); |
| 4117 | return NULL; |
| 4118 | } |
| 4119 | if (key_index >= (WLAN_CRYPTO_MAXKEYIDX + WLAN_CRYPTO_MAXIGTKKEYIDX)) { |
| 4120 | crypto_err("Invalid Key index %d", key_index); |
| 4121 | return NULL; |
| 4122 | } |
| 4123 | if (key_index < WLAN_CRYPTO_MAXKEYIDX) |
| 4124 | return crypto_priv->key[key_index]; |
| 4125 | |
| 4126 | return crypto_priv->igtk_key[key_index - WLAN_CRYPTO_MAXKEYIDX]; |
| 4127 | } |
| 4128 | |
| 4129 | QDF_STATUS wlan_crypto_set_key_req(struct wlan_objmgr_vdev *vdev, |
| 4130 | struct wlan_crypto_key *req, |
Kiran Kumar Lokere | b4d634f | 2019-01-11 18:32:32 -0800 | [diff] [blame] | 4131 | enum wlan_crypto_key_type key_type) |
Kiran Kumar Lokere | 25531c4 | 2018-09-19 13:48:48 -0700 | [diff] [blame] | 4132 | { |
| 4133 | struct wlan_objmgr_psoc *psoc; |
| 4134 | |
| 4135 | psoc = wlan_vdev_get_psoc(vdev); |
| 4136 | if (psoc && WLAN_CRYPTO_TX_OPS_SET_KEY(psoc)) |
Kiran Kumar Lokere | b4d634f | 2019-01-11 18:32:32 -0800 | [diff] [blame] | 4137 | WLAN_CRYPTO_TX_OPS_SET_KEY(psoc)(vdev, req, key_type); |
Kiran Kumar Lokere | 25531c4 | 2018-09-19 13:48:48 -0700 | [diff] [blame] | 4138 | else |
| 4139 | return QDF_STATUS_E_FAILURE; |
| 4140 | |
| 4141 | return QDF_STATUS_SUCCESS; |
| 4142 | } |
| 4143 | |
| 4144 | void wlan_crypto_update_set_key_peer(struct wlan_objmgr_vdev *vdev, |
| 4145 | bool pairwise, uint8_t key_index, |
| 4146 | struct qdf_mac_addr *peer_mac) |
| 4147 | { |
| 4148 | struct wlan_crypto_key *crypto_key; |
| 4149 | |
| 4150 | crypto_key = wlan_crypto_get_key(vdev, key_index); |
| 4151 | if (!crypto_key) { |
| 4152 | crypto_err("crypto_key not present for key_idx %d", key_index); |
| 4153 | return; |
| 4154 | } |
| 4155 | |
| 4156 | qdf_mem_copy(crypto_key->macaddr, peer_mac, QDF_MAC_ADDR_SIZE); |
| 4157 | } |
| 4158 | #endif |