Avinash Patil | 40d0703 | 2012-05-08 18:30:19 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Marvell Wireless LAN device driver: AP specific command handling |
| 3 | * |
| 4 | * Copyright (C) 2012, Marvell International Ltd. |
| 5 | * |
| 6 | * This software file (the "File") is distributed by Marvell International |
| 7 | * Ltd. under the terms of the GNU General Public License Version 2, June 1991 |
| 8 | * (the "License"). You may use, redistribute and/or modify this File in |
| 9 | * accordance with the terms and conditions of the License, a copy of which |
| 10 | * is available by writing to the Free Software Foundation, Inc., |
| 11 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the |
| 12 | * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt. |
| 13 | * |
| 14 | * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE |
| 15 | * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE |
| 16 | * ARE EXPRESSLY DISCLAIMED. The License provides additional details about |
| 17 | * this warranty disclaimer. |
| 18 | */ |
| 19 | |
| 20 | #include "main.h" |
| 21 | |
Avinash Patil | f752dcd | 2012-05-08 18:30:26 -0700 | [diff] [blame] | 22 | /* This function parses security related parameters from cfg80211_ap_settings |
| 23 | * and sets into FW understandable bss_config structure. |
| 24 | */ |
| 25 | int mwifiex_set_secure_params(struct mwifiex_private *priv, |
| 26 | struct mwifiex_uap_bss_param *bss_config, |
| 27 | struct cfg80211_ap_settings *params) { |
| 28 | int i; |
| 29 | |
| 30 | switch (params->auth_type) { |
| 31 | case NL80211_AUTHTYPE_OPEN_SYSTEM: |
| 32 | bss_config->auth_mode = WLAN_AUTH_OPEN; |
| 33 | break; |
| 34 | case NL80211_AUTHTYPE_SHARED_KEY: |
| 35 | bss_config->auth_mode = WLAN_AUTH_SHARED_KEY; |
| 36 | break; |
| 37 | case NL80211_AUTHTYPE_NETWORK_EAP: |
| 38 | bss_config->auth_mode = WLAN_AUTH_LEAP; |
| 39 | break; |
| 40 | default: |
| 41 | bss_config->auth_mode = MWIFIEX_AUTH_MODE_AUTO; |
| 42 | break; |
| 43 | } |
| 44 | |
| 45 | bss_config->key_mgmt_operation |= KEY_MGMT_ON_HOST; |
| 46 | |
| 47 | for (i = 0; i < params->crypto.n_akm_suites; i++) { |
| 48 | switch (params->crypto.akm_suites[i]) { |
| 49 | case WLAN_AKM_SUITE_8021X: |
| 50 | if (params->crypto.wpa_versions & |
| 51 | NL80211_WPA_VERSION_1) { |
| 52 | bss_config->protocol = PROTOCOL_WPA; |
| 53 | bss_config->key_mgmt = KEY_MGMT_EAP; |
| 54 | } |
| 55 | if (params->crypto.wpa_versions & |
| 56 | NL80211_WPA_VERSION_2) { |
| 57 | bss_config->protocol = PROTOCOL_WPA2; |
| 58 | bss_config->key_mgmt = KEY_MGMT_EAP; |
| 59 | } |
| 60 | break; |
| 61 | case WLAN_AKM_SUITE_PSK: |
| 62 | if (params->crypto.wpa_versions & |
| 63 | NL80211_WPA_VERSION_1) { |
| 64 | bss_config->protocol = PROTOCOL_WPA; |
| 65 | bss_config->key_mgmt = KEY_MGMT_PSK; |
| 66 | } |
| 67 | if (params->crypto.wpa_versions & |
| 68 | NL80211_WPA_VERSION_2) { |
| 69 | bss_config->protocol = PROTOCOL_WPA2; |
| 70 | bss_config->key_mgmt = KEY_MGMT_PSK; |
| 71 | } |
| 72 | break; |
| 73 | default: |
| 74 | break; |
| 75 | } |
| 76 | } |
| 77 | for (i = 0; i < params->crypto.n_ciphers_pairwise; i++) { |
| 78 | switch (params->crypto.ciphers_pairwise[i]) { |
| 79 | case WLAN_CIPHER_SUITE_WEP40: |
| 80 | case WLAN_CIPHER_SUITE_WEP104: |
| 81 | break; |
| 82 | case WLAN_CIPHER_SUITE_TKIP: |
| 83 | bss_config->wpa_cfg.pairwise_cipher_wpa = CIPHER_TKIP; |
| 84 | break; |
| 85 | case WLAN_CIPHER_SUITE_CCMP: |
| 86 | bss_config->wpa_cfg.pairwise_cipher_wpa2 = |
| 87 | CIPHER_AES_CCMP; |
| 88 | default: |
| 89 | break; |
| 90 | } |
| 91 | } |
| 92 | |
| 93 | switch (params->crypto.cipher_group) { |
| 94 | case WLAN_CIPHER_SUITE_WEP40: |
| 95 | case WLAN_CIPHER_SUITE_WEP104: |
| 96 | break; |
| 97 | case WLAN_CIPHER_SUITE_TKIP: |
| 98 | bss_config->wpa_cfg.group_cipher = CIPHER_TKIP; |
| 99 | break; |
| 100 | case WLAN_CIPHER_SUITE_CCMP: |
| 101 | bss_config->wpa_cfg.group_cipher = CIPHER_AES_CCMP; |
| 102 | break; |
| 103 | default: |
| 104 | break; |
| 105 | } |
| 106 | |
| 107 | return 0; |
| 108 | } |
| 109 | |
Avinash Patil | 9b930ea | 2012-05-08 18:30:23 -0700 | [diff] [blame] | 110 | /* This function initializes some of mwifiex_uap_bss_param variables. |
| 111 | * This helps FW in ignoring invalid values. These values may or may not |
| 112 | * be get updated to valid ones at later stage. |
| 113 | */ |
| 114 | void mwifiex_set_sys_config_invalid_data(struct mwifiex_uap_bss_param *config) |
| 115 | { |
Avinash Patil | f752dcd | 2012-05-08 18:30:26 -0700 | [diff] [blame] | 116 | config->bcast_ssid_ctl = 0x7F; |
| 117 | config->radio_ctl = 0x7F; |
| 118 | config->dtim_period = 0x7F; |
| 119 | config->beacon_period = 0x7FFF; |
| 120 | config->auth_mode = 0x7F; |
Avinash Patil | 9b930ea | 2012-05-08 18:30:23 -0700 | [diff] [blame] | 121 | config->rts_threshold = 0x7FFF; |
| 122 | config->frag_threshold = 0x7FFF; |
| 123 | config->retry_limit = 0x7F; |
| 124 | } |
| 125 | |
Avinash Patil | e76268d | 2012-05-08 18:30:27 -0700 | [diff] [blame] | 126 | /* This function parses BSS related parameters from structure |
| 127 | * and prepares TLVs. These TLVs are appended to command buffer. |
| 128 | */ |
| 129 | static int |
| 130 | mwifiex_uap_bss_param_prepare(u8 *tlv, void *cmd_buf, u16 *param_size) |
Avinash Patil | 4db16a1 | 2012-05-08 18:30:20 -0700 | [diff] [blame] | 131 | { |
Avinash Patil | 12190c5 | 2012-05-08 18:30:24 -0700 | [diff] [blame] | 132 | struct host_cmd_tlv_dtim_period *dtim_period; |
| 133 | struct host_cmd_tlv_beacon_period *beacon_period; |
| 134 | struct host_cmd_tlv_ssid *ssid; |
Avinash Patil | 4db16a1 | 2012-05-08 18:30:20 -0700 | [diff] [blame] | 135 | struct host_cmd_tlv_channel_band *chan_band; |
Avinash Patil | 9b930ea | 2012-05-08 18:30:23 -0700 | [diff] [blame] | 136 | struct host_cmd_tlv_frag_threshold *frag_threshold; |
| 137 | struct host_cmd_tlv_rts_threshold *rts_threshold; |
| 138 | struct host_cmd_tlv_retry_limit *retry_limit; |
Avinash Patil | f752dcd | 2012-05-08 18:30:26 -0700 | [diff] [blame] | 139 | struct host_cmd_tlv_pwk_cipher *pwk_cipher; |
| 140 | struct host_cmd_tlv_gwk_cipher *gwk_cipher; |
| 141 | struct host_cmd_tlv_encrypt_protocol *encrypt_protocol; |
| 142 | struct host_cmd_tlv_auth_type *auth_type; |
| 143 | struct host_cmd_tlv_passphrase *passphrase; |
| 144 | struct host_cmd_tlv_akmp *tlv_akmp; |
Avinash Patil | 4db16a1 | 2012-05-08 18:30:20 -0700 | [diff] [blame] | 145 | struct mwifiex_uap_bss_param *bss_cfg = cmd_buf; |
Avinash Patil | e76268d | 2012-05-08 18:30:27 -0700 | [diff] [blame] | 146 | u16 cmd_size = *param_size; |
Avinash Patil | 4db16a1 | 2012-05-08 18:30:20 -0700 | [diff] [blame] | 147 | |
Avinash Patil | 12190c5 | 2012-05-08 18:30:24 -0700 | [diff] [blame] | 148 | if (bss_cfg->ssid.ssid_len) { |
| 149 | ssid = (struct host_cmd_tlv_ssid *)tlv; |
| 150 | ssid->tlv.type = cpu_to_le16(TLV_TYPE_UAP_SSID); |
| 151 | ssid->tlv.len = cpu_to_le16((u16)bss_cfg->ssid.ssid_len); |
| 152 | memcpy(ssid->ssid, bss_cfg->ssid.ssid, bss_cfg->ssid.ssid_len); |
| 153 | cmd_size += sizeof(struct host_cmd_tlv) + |
| 154 | bss_cfg->ssid.ssid_len; |
| 155 | tlv += sizeof(struct host_cmd_tlv) + bss_cfg->ssid.ssid_len; |
| 156 | } |
Avinash Patil | 4db16a1 | 2012-05-08 18:30:20 -0700 | [diff] [blame] | 157 | if (bss_cfg->channel && bss_cfg->channel <= MAX_CHANNEL_BAND_BG) { |
| 158 | chan_band = (struct host_cmd_tlv_channel_band *)tlv; |
| 159 | chan_band->tlv.type = cpu_to_le16(TLV_TYPE_CHANNELBANDLIST); |
| 160 | chan_band->tlv.len = |
| 161 | cpu_to_le16(sizeof(struct host_cmd_tlv_channel_band) - |
| 162 | sizeof(struct host_cmd_tlv)); |
| 163 | chan_band->band_config = bss_cfg->band_cfg; |
| 164 | chan_band->channel = bss_cfg->channel; |
| 165 | cmd_size += sizeof(struct host_cmd_tlv_channel_band); |
| 166 | tlv += sizeof(struct host_cmd_tlv_channel_band); |
| 167 | } |
Avinash Patil | 12190c5 | 2012-05-08 18:30:24 -0700 | [diff] [blame] | 168 | if (bss_cfg->beacon_period >= MIN_BEACON_PERIOD && |
| 169 | bss_cfg->beacon_period <= MAX_BEACON_PERIOD) { |
| 170 | beacon_period = (struct host_cmd_tlv_beacon_period *)tlv; |
| 171 | beacon_period->tlv.type = |
| 172 | cpu_to_le16(TLV_TYPE_UAP_BEACON_PERIOD); |
| 173 | beacon_period->tlv.len = |
| 174 | cpu_to_le16(sizeof(struct host_cmd_tlv_beacon_period) - |
| 175 | sizeof(struct host_cmd_tlv)); |
| 176 | beacon_period->period = cpu_to_le16(bss_cfg->beacon_period); |
| 177 | cmd_size += sizeof(struct host_cmd_tlv_beacon_period); |
| 178 | tlv += sizeof(struct host_cmd_tlv_beacon_period); |
| 179 | } |
| 180 | if (bss_cfg->dtim_period >= MIN_DTIM_PERIOD && |
| 181 | bss_cfg->dtim_period <= MAX_DTIM_PERIOD) { |
| 182 | dtim_period = (struct host_cmd_tlv_dtim_period *)tlv; |
| 183 | dtim_period->tlv.type = cpu_to_le16(TLV_TYPE_UAP_DTIM_PERIOD); |
| 184 | dtim_period->tlv.len = |
| 185 | cpu_to_le16(sizeof(struct host_cmd_tlv_dtim_period) - |
| 186 | sizeof(struct host_cmd_tlv)); |
| 187 | dtim_period->period = bss_cfg->dtim_period; |
| 188 | cmd_size += sizeof(struct host_cmd_tlv_dtim_period); |
| 189 | tlv += sizeof(struct host_cmd_tlv_dtim_period); |
| 190 | } |
Avinash Patil | 9b930ea | 2012-05-08 18:30:23 -0700 | [diff] [blame] | 191 | if (bss_cfg->rts_threshold <= MWIFIEX_RTS_MAX_VALUE) { |
| 192 | rts_threshold = (struct host_cmd_tlv_rts_threshold *)tlv; |
| 193 | rts_threshold->tlv.type = |
| 194 | cpu_to_le16(TLV_TYPE_UAP_RTS_THRESHOLD); |
| 195 | rts_threshold->tlv.len = |
| 196 | cpu_to_le16(sizeof(struct host_cmd_tlv_rts_threshold) - |
| 197 | sizeof(struct host_cmd_tlv)); |
| 198 | rts_threshold->rts_thr = cpu_to_le16(bss_cfg->rts_threshold); |
| 199 | cmd_size += sizeof(struct host_cmd_tlv_frag_threshold); |
| 200 | tlv += sizeof(struct host_cmd_tlv_frag_threshold); |
| 201 | } |
| 202 | if ((bss_cfg->frag_threshold >= MWIFIEX_FRAG_MIN_VALUE) && |
| 203 | (bss_cfg->frag_threshold <= MWIFIEX_FRAG_MAX_VALUE)) { |
| 204 | frag_threshold = (struct host_cmd_tlv_frag_threshold *)tlv; |
| 205 | frag_threshold->tlv.type = |
| 206 | cpu_to_le16(TLV_TYPE_UAP_FRAG_THRESHOLD); |
| 207 | frag_threshold->tlv.len = |
| 208 | cpu_to_le16(sizeof(struct host_cmd_tlv_frag_threshold) - |
| 209 | sizeof(struct host_cmd_tlv)); |
| 210 | frag_threshold->frag_thr = cpu_to_le16(bss_cfg->frag_threshold); |
| 211 | cmd_size += sizeof(struct host_cmd_tlv_frag_threshold); |
| 212 | tlv += sizeof(struct host_cmd_tlv_frag_threshold); |
| 213 | } |
| 214 | if (bss_cfg->retry_limit <= MWIFIEX_RETRY_LIMIT) { |
| 215 | retry_limit = (struct host_cmd_tlv_retry_limit *)tlv; |
| 216 | retry_limit->tlv.type = cpu_to_le16(TLV_TYPE_UAP_RETRY_LIMIT); |
| 217 | retry_limit->tlv.len = |
| 218 | cpu_to_le16(sizeof(struct host_cmd_tlv_retry_limit) - |
| 219 | sizeof(struct host_cmd_tlv)); |
| 220 | retry_limit->limit = (u8)bss_cfg->retry_limit; |
| 221 | cmd_size += sizeof(struct host_cmd_tlv_retry_limit); |
| 222 | tlv += sizeof(struct host_cmd_tlv_retry_limit); |
| 223 | } |
Avinash Patil | f752dcd | 2012-05-08 18:30:26 -0700 | [diff] [blame] | 224 | if ((bss_cfg->protocol & PROTOCOL_WPA) || |
| 225 | (bss_cfg->protocol & PROTOCOL_WPA2) || |
| 226 | (bss_cfg->protocol & PROTOCOL_EAP)) { |
| 227 | tlv_akmp = (struct host_cmd_tlv_akmp *)tlv; |
| 228 | tlv_akmp->tlv.type = cpu_to_le16(TLV_TYPE_UAP_AKMP); |
| 229 | tlv_akmp->tlv.len = |
| 230 | cpu_to_le16(sizeof(struct host_cmd_tlv_akmp) - |
| 231 | sizeof(struct host_cmd_tlv)); |
| 232 | tlv_akmp->key_mgmt_operation = |
| 233 | cpu_to_le16(bss_cfg->key_mgmt_operation); |
| 234 | tlv_akmp->key_mgmt = cpu_to_le16(bss_cfg->key_mgmt); |
| 235 | cmd_size += sizeof(struct host_cmd_tlv_akmp); |
| 236 | tlv += sizeof(struct host_cmd_tlv_akmp); |
| 237 | |
| 238 | if (bss_cfg->wpa_cfg.pairwise_cipher_wpa & |
| 239 | VALID_CIPHER_BITMAP) { |
| 240 | pwk_cipher = (struct host_cmd_tlv_pwk_cipher *)tlv; |
| 241 | pwk_cipher->tlv.type = |
| 242 | cpu_to_le16(TLV_TYPE_PWK_CIPHER); |
| 243 | pwk_cipher->tlv.len = cpu_to_le16( |
| 244 | sizeof(struct host_cmd_tlv_pwk_cipher) - |
| 245 | sizeof(struct host_cmd_tlv)); |
| 246 | pwk_cipher->proto = cpu_to_le16(PROTOCOL_WPA); |
| 247 | pwk_cipher->cipher = |
| 248 | bss_cfg->wpa_cfg.pairwise_cipher_wpa; |
| 249 | cmd_size += sizeof(struct host_cmd_tlv_pwk_cipher); |
| 250 | tlv += sizeof(struct host_cmd_tlv_pwk_cipher); |
| 251 | } |
| 252 | if (bss_cfg->wpa_cfg.pairwise_cipher_wpa2 & |
| 253 | VALID_CIPHER_BITMAP) { |
| 254 | pwk_cipher = (struct host_cmd_tlv_pwk_cipher *)tlv; |
| 255 | pwk_cipher->tlv.type = cpu_to_le16(TLV_TYPE_PWK_CIPHER); |
| 256 | pwk_cipher->tlv.len = cpu_to_le16( |
| 257 | sizeof(struct host_cmd_tlv_pwk_cipher) - |
| 258 | sizeof(struct host_cmd_tlv)); |
| 259 | pwk_cipher->proto = cpu_to_le16(PROTOCOL_WPA2); |
| 260 | pwk_cipher->cipher = |
| 261 | bss_cfg->wpa_cfg.pairwise_cipher_wpa2; |
| 262 | cmd_size += sizeof(struct host_cmd_tlv_pwk_cipher); |
| 263 | tlv += sizeof(struct host_cmd_tlv_pwk_cipher); |
| 264 | } |
| 265 | if (bss_cfg->wpa_cfg.group_cipher & VALID_CIPHER_BITMAP) { |
| 266 | gwk_cipher = (struct host_cmd_tlv_gwk_cipher *)tlv; |
| 267 | gwk_cipher->tlv.type = cpu_to_le16(TLV_TYPE_GWK_CIPHER); |
| 268 | gwk_cipher->tlv.len = cpu_to_le16( |
| 269 | sizeof(struct host_cmd_tlv_gwk_cipher) - |
| 270 | sizeof(struct host_cmd_tlv)); |
| 271 | gwk_cipher->cipher = bss_cfg->wpa_cfg.group_cipher; |
| 272 | cmd_size += sizeof(struct host_cmd_tlv_gwk_cipher); |
| 273 | tlv += sizeof(struct host_cmd_tlv_gwk_cipher); |
| 274 | } |
| 275 | if (bss_cfg->wpa_cfg.length) { |
| 276 | passphrase = (struct host_cmd_tlv_passphrase *)tlv; |
| 277 | passphrase->tlv.type = |
| 278 | cpu_to_le16(TLV_TYPE_UAP_WPA_PASSPHRASE); |
| 279 | passphrase->tlv.len = |
| 280 | cpu_to_le16(bss_cfg->wpa_cfg.length); |
| 281 | memcpy(passphrase->passphrase, |
| 282 | bss_cfg->wpa_cfg.passphrase, |
| 283 | bss_cfg->wpa_cfg.length); |
| 284 | cmd_size += sizeof(struct host_cmd_tlv) + |
| 285 | bss_cfg->wpa_cfg.length; |
| 286 | tlv += sizeof(struct host_cmd_tlv) + |
| 287 | bss_cfg->wpa_cfg.length; |
| 288 | } |
| 289 | } |
| 290 | if ((bss_cfg->auth_mode <= WLAN_AUTH_SHARED_KEY) || |
| 291 | (bss_cfg->auth_mode == MWIFIEX_AUTH_MODE_AUTO)) { |
| 292 | auth_type = (struct host_cmd_tlv_auth_type *)tlv; |
| 293 | auth_type->tlv.type = cpu_to_le16(TLV_TYPE_AUTH_TYPE); |
| 294 | auth_type->tlv.len = |
| 295 | cpu_to_le16(sizeof(struct host_cmd_tlv_auth_type) - |
| 296 | sizeof(struct host_cmd_tlv)); |
| 297 | auth_type->auth_type = (u8)bss_cfg->auth_mode; |
| 298 | cmd_size += sizeof(struct host_cmd_tlv_auth_type); |
| 299 | tlv += sizeof(struct host_cmd_tlv_auth_type); |
| 300 | } |
| 301 | if (bss_cfg->protocol) { |
| 302 | encrypt_protocol = (struct host_cmd_tlv_encrypt_protocol *)tlv; |
| 303 | encrypt_protocol->tlv.type = |
| 304 | cpu_to_le16(TLV_TYPE_UAP_ENCRY_PROTOCOL); |
| 305 | encrypt_protocol->tlv.len = |
| 306 | cpu_to_le16(sizeof(struct host_cmd_tlv_encrypt_protocol) |
| 307 | - sizeof(struct host_cmd_tlv)); |
| 308 | encrypt_protocol->proto = cpu_to_le16(bss_cfg->protocol); |
| 309 | cmd_size += sizeof(struct host_cmd_tlv_encrypt_protocol); |
| 310 | tlv += sizeof(struct host_cmd_tlv_encrypt_protocol); |
| 311 | } |
Avinash Patil | 4db16a1 | 2012-05-08 18:30:20 -0700 | [diff] [blame] | 312 | |
Avinash Patil | e76268d | 2012-05-08 18:30:27 -0700 | [diff] [blame] | 313 | *param_size = cmd_size; |
| 314 | |
| 315 | return 0; |
| 316 | } |
| 317 | |
Avinash Patil | ede98bf | 2012-05-08 18:30:28 -0700 | [diff] [blame] | 318 | /* This function parses custom IEs from IE list and prepares command buffer */ |
| 319 | static int mwifiex_uap_custom_ie_prepare(u8 *tlv, void *cmd_buf, u16 *ie_size) |
| 320 | { |
| 321 | struct mwifiex_ie_list *ap_ie = cmd_buf; |
| 322 | struct host_cmd_tlv *tlv_ie = (struct host_cmd_tlv *)tlv; |
| 323 | |
| 324 | if (!ap_ie || !ap_ie->len || !ap_ie->ie_list) |
| 325 | return -1; |
| 326 | |
| 327 | *ie_size += le16_to_cpu(ap_ie->len) + sizeof(struct host_cmd_tlv); |
| 328 | |
| 329 | tlv_ie->type = cpu_to_le16(TLV_TYPE_MGMT_IE); |
| 330 | tlv_ie->len = ap_ie->len; |
| 331 | tlv += sizeof(struct host_cmd_tlv); |
| 332 | |
| 333 | memcpy(tlv, ap_ie->ie_list, le16_to_cpu(ap_ie->len)); |
| 334 | |
| 335 | return 0; |
| 336 | } |
| 337 | |
Avinash Patil | e76268d | 2012-05-08 18:30:27 -0700 | [diff] [blame] | 338 | /* Parse AP config structure and prepare TLV based command structure |
| 339 | * to be sent to FW for uAP configuration |
| 340 | */ |
| 341 | static int |
| 342 | mwifiex_cmd_uap_sys_config(struct host_cmd_ds_command *cmd, u16 cmd_action, |
| 343 | u32 type, void *cmd_buf) |
| 344 | { |
| 345 | u8 *tlv; |
Avinash Patil | ede98bf | 2012-05-08 18:30:28 -0700 | [diff] [blame] | 346 | u16 cmd_size, param_size, ie_size; |
Avinash Patil | e76268d | 2012-05-08 18:30:27 -0700 | [diff] [blame] | 347 | struct host_cmd_ds_sys_config *sys_cfg; |
| 348 | |
| 349 | cmd->command = cpu_to_le16(HostCmd_CMD_UAP_SYS_CONFIG); |
| 350 | cmd_size = (u16)(sizeof(struct host_cmd_ds_sys_config) + S_DS_GEN); |
| 351 | sys_cfg = (struct host_cmd_ds_sys_config *)&cmd->params.uap_sys_config; |
| 352 | sys_cfg->action = cpu_to_le16(cmd_action); |
| 353 | tlv = sys_cfg->tlv; |
| 354 | |
| 355 | switch (type) { |
| 356 | case UAP_BSS_PARAMS_I: |
| 357 | param_size = cmd_size; |
| 358 | if (mwifiex_uap_bss_param_prepare(tlv, cmd_buf, ¶m_size)) |
| 359 | return -1; |
| 360 | cmd->size = cpu_to_le16(param_size); |
| 361 | break; |
Avinash Patil | ede98bf | 2012-05-08 18:30:28 -0700 | [diff] [blame] | 362 | case UAP_CUSTOM_IE_I: |
| 363 | ie_size = cmd_size; |
| 364 | if (mwifiex_uap_custom_ie_prepare(tlv, cmd_buf, &ie_size)) |
| 365 | return -1; |
| 366 | cmd->size = cpu_to_le16(ie_size); |
| 367 | break; |
Avinash Patil | e76268d | 2012-05-08 18:30:27 -0700 | [diff] [blame] | 368 | default: |
| 369 | return -1; |
| 370 | } |
| 371 | |
Avinash Patil | 4db16a1 | 2012-05-08 18:30:20 -0700 | [diff] [blame] | 372 | return 0; |
| 373 | } |
| 374 | |
Avinash Patil | 40d0703 | 2012-05-08 18:30:19 -0700 | [diff] [blame] | 375 | /* This function prepares the AP specific commands before sending them |
| 376 | * to the firmware. |
| 377 | * This is a generic function which calls specific command preparation |
| 378 | * routines based upon the command number. |
| 379 | */ |
| 380 | int mwifiex_uap_prepare_cmd(struct mwifiex_private *priv, u16 cmd_no, |
Avinash Patil | e76268d | 2012-05-08 18:30:27 -0700 | [diff] [blame] | 381 | u16 cmd_action, u32 type, |
Avinash Patil | 40d0703 | 2012-05-08 18:30:19 -0700 | [diff] [blame] | 382 | void *data_buf, void *cmd_buf) |
| 383 | { |
| 384 | struct host_cmd_ds_command *cmd = cmd_buf; |
| 385 | |
| 386 | switch (cmd_no) { |
Avinash Patil | 4db16a1 | 2012-05-08 18:30:20 -0700 | [diff] [blame] | 387 | case HostCmd_CMD_UAP_SYS_CONFIG: |
Avinash Patil | e76268d | 2012-05-08 18:30:27 -0700 | [diff] [blame] | 388 | if (mwifiex_cmd_uap_sys_config(cmd, cmd_action, type, data_buf)) |
Avinash Patil | 4db16a1 | 2012-05-08 18:30:20 -0700 | [diff] [blame] | 389 | return -1; |
| 390 | break; |
Avinash Patil | 40d0703 | 2012-05-08 18:30:19 -0700 | [diff] [blame] | 391 | case HostCmd_CMD_UAP_BSS_START: |
| 392 | case HostCmd_CMD_UAP_BSS_STOP: |
| 393 | cmd->command = cpu_to_le16(cmd_no); |
| 394 | cmd->size = cpu_to_le16(S_DS_GEN); |
| 395 | break; |
| 396 | default: |
| 397 | dev_err(priv->adapter->dev, |
| 398 | "PREP_CMD: unknown cmd %#x\n", cmd_no); |
| 399 | return -1; |
| 400 | } |
| 401 | |
| 402 | return 0; |
| 403 | } |
Avinash Patil | 4db16a1 | 2012-05-08 18:30:20 -0700 | [diff] [blame] | 404 | |
| 405 | /* This function sets the RF channel for AP. |
| 406 | * |
| 407 | * This function populates channel information in AP config structure |
| 408 | * and sends command to configure channel information in AP. |
| 409 | */ |
| 410 | int mwifiex_uap_set_channel(struct mwifiex_private *priv, int channel) |
| 411 | { |
| 412 | struct mwifiex_uap_bss_param *bss_cfg; |
| 413 | struct wiphy *wiphy = priv->wdev->wiphy; |
| 414 | |
| 415 | bss_cfg = kzalloc(sizeof(struct mwifiex_uap_bss_param), GFP_KERNEL); |
| 416 | if (!bss_cfg) |
| 417 | return -ENOMEM; |
| 418 | |
| 419 | bss_cfg->band_cfg = BAND_CONFIG_MANUAL; |
| 420 | bss_cfg->channel = channel; |
| 421 | |
| 422 | if (mwifiex_send_cmd_async(priv, HostCmd_CMD_UAP_SYS_CONFIG, |
Avinash Patil | e76268d | 2012-05-08 18:30:27 -0700 | [diff] [blame] | 423 | HostCmd_ACT_GEN_SET, |
| 424 | UAP_BSS_PARAMS_I, bss_cfg)) { |
Avinash Patil | 4db16a1 | 2012-05-08 18:30:20 -0700 | [diff] [blame] | 425 | wiphy_err(wiphy, "Failed to set the uAP channel\n"); |
| 426 | kfree(bss_cfg); |
| 427 | return -1; |
| 428 | } |
| 429 | |
| 430 | kfree(bss_cfg); |
| 431 | return 0; |
| 432 | } |