1bdcd8170SKalle Valo /* 2bdcd8170SKalle Valo * Copyright (c) 2004-2011 Atheros Communications Inc. 3bdcd8170SKalle Valo * 4bdcd8170SKalle Valo * Permission to use, copy, modify, and/or distribute this software for any 5bdcd8170SKalle Valo * purpose with or without fee is hereby granted, provided that the above 6bdcd8170SKalle Valo * copyright notice and this permission notice appear in all copies. 7bdcd8170SKalle Valo * 8bdcd8170SKalle Valo * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 9bdcd8170SKalle Valo * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 10bdcd8170SKalle Valo * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 11bdcd8170SKalle Valo * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 12bdcd8170SKalle Valo * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 13bdcd8170SKalle Valo * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 14bdcd8170SKalle Valo * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 15bdcd8170SKalle Valo */ 16bdcd8170SKalle Valo 176eb07cafSPaul Gortmaker #include <linux/moduleparam.h> 18c08631c6SRaja Mani #include <linux/inetdevice.h> 19d6a434d6SKalle Valo #include <linux/export.h> 206eb07cafSPaul Gortmaker 21bdcd8170SKalle Valo #include "core.h" 22bdcd8170SKalle Valo #include "cfg80211.h" 23bdcd8170SKalle Valo #include "debug.h" 24abcb344bSKalle Valo #include "hif-ops.h" 25003353b0SKalle Valo #include "testmode.h" 26bdcd8170SKalle Valo 27bdcd8170SKalle Valo #define RATETAB_ENT(_rate, _rateid, _flags) { \ 28bdcd8170SKalle Valo .bitrate = (_rate), \ 29bdcd8170SKalle Valo .flags = (_flags), \ 30bdcd8170SKalle Valo .hw_value = (_rateid), \ 31bdcd8170SKalle Valo } 32bdcd8170SKalle Valo 33bdcd8170SKalle Valo #define CHAN2G(_channel, _freq, _flags) { \ 34bdcd8170SKalle Valo .band = IEEE80211_BAND_2GHZ, \ 35bdcd8170SKalle Valo .hw_value = (_channel), \ 36bdcd8170SKalle Valo .center_freq = (_freq), \ 37bdcd8170SKalle Valo .flags = (_flags), \ 38bdcd8170SKalle Valo .max_antenna_gain = 0, \ 39bdcd8170SKalle Valo .max_power = 30, \ 40bdcd8170SKalle Valo } 41bdcd8170SKalle Valo 42bdcd8170SKalle Valo #define CHAN5G(_channel, _flags) { \ 43bdcd8170SKalle Valo .band = IEEE80211_BAND_5GHZ, \ 44bdcd8170SKalle Valo .hw_value = (_channel), \ 45bdcd8170SKalle Valo .center_freq = 5000 + (5 * (_channel)), \ 46bdcd8170SKalle Valo .flags = (_flags), \ 47bdcd8170SKalle Valo .max_antenna_gain = 0, \ 48bdcd8170SKalle Valo .max_power = 30, \ 49bdcd8170SKalle Valo } 50bdcd8170SKalle Valo 51bdcd8170SKalle Valo static struct ieee80211_rate ath6kl_rates[] = { 52bdcd8170SKalle Valo RATETAB_ENT(10, 0x1, 0), 53bdcd8170SKalle Valo RATETAB_ENT(20, 0x2, 0), 54bdcd8170SKalle Valo RATETAB_ENT(55, 0x4, 0), 55bdcd8170SKalle Valo RATETAB_ENT(110, 0x8, 0), 56bdcd8170SKalle Valo RATETAB_ENT(60, 0x10, 0), 57bdcd8170SKalle Valo RATETAB_ENT(90, 0x20, 0), 58bdcd8170SKalle Valo RATETAB_ENT(120, 0x40, 0), 59bdcd8170SKalle Valo RATETAB_ENT(180, 0x80, 0), 60bdcd8170SKalle Valo RATETAB_ENT(240, 0x100, 0), 61bdcd8170SKalle Valo RATETAB_ENT(360, 0x200, 0), 62bdcd8170SKalle Valo RATETAB_ENT(480, 0x400, 0), 63bdcd8170SKalle Valo RATETAB_ENT(540, 0x800, 0), 64bdcd8170SKalle Valo }; 65bdcd8170SKalle Valo 66bdcd8170SKalle Valo #define ath6kl_a_rates (ath6kl_rates + 4) 67bdcd8170SKalle Valo #define ath6kl_a_rates_size 8 68bdcd8170SKalle Valo #define ath6kl_g_rates (ath6kl_rates + 0) 69bdcd8170SKalle Valo #define ath6kl_g_rates_size 12 70bdcd8170SKalle Valo 71bdcd8170SKalle Valo static struct ieee80211_channel ath6kl_2ghz_channels[] = { 72bdcd8170SKalle Valo CHAN2G(1, 2412, 0), 73bdcd8170SKalle Valo CHAN2G(2, 2417, 0), 74bdcd8170SKalle Valo CHAN2G(3, 2422, 0), 75bdcd8170SKalle Valo CHAN2G(4, 2427, 0), 76bdcd8170SKalle Valo CHAN2G(5, 2432, 0), 77bdcd8170SKalle Valo CHAN2G(6, 2437, 0), 78bdcd8170SKalle Valo CHAN2G(7, 2442, 0), 79bdcd8170SKalle Valo CHAN2G(8, 2447, 0), 80bdcd8170SKalle Valo CHAN2G(9, 2452, 0), 81bdcd8170SKalle Valo CHAN2G(10, 2457, 0), 82bdcd8170SKalle Valo CHAN2G(11, 2462, 0), 83bdcd8170SKalle Valo CHAN2G(12, 2467, 0), 84bdcd8170SKalle Valo CHAN2G(13, 2472, 0), 85bdcd8170SKalle Valo CHAN2G(14, 2484, 0), 86bdcd8170SKalle Valo }; 87bdcd8170SKalle Valo 88bdcd8170SKalle Valo static struct ieee80211_channel ath6kl_5ghz_a_channels[] = { 89bdcd8170SKalle Valo CHAN5G(34, 0), CHAN5G(36, 0), 90bdcd8170SKalle Valo CHAN5G(38, 0), CHAN5G(40, 0), 91bdcd8170SKalle Valo CHAN5G(42, 0), CHAN5G(44, 0), 92bdcd8170SKalle Valo CHAN5G(46, 0), CHAN5G(48, 0), 93bdcd8170SKalle Valo CHAN5G(52, 0), CHAN5G(56, 0), 94bdcd8170SKalle Valo CHAN5G(60, 0), CHAN5G(64, 0), 95bdcd8170SKalle Valo CHAN5G(100, 0), CHAN5G(104, 0), 96bdcd8170SKalle Valo CHAN5G(108, 0), CHAN5G(112, 0), 97bdcd8170SKalle Valo CHAN5G(116, 0), CHAN5G(120, 0), 98bdcd8170SKalle Valo CHAN5G(124, 0), CHAN5G(128, 0), 99bdcd8170SKalle Valo CHAN5G(132, 0), CHAN5G(136, 0), 100bdcd8170SKalle Valo CHAN5G(140, 0), CHAN5G(149, 0), 101bdcd8170SKalle Valo CHAN5G(153, 0), CHAN5G(157, 0), 102bdcd8170SKalle Valo CHAN5G(161, 0), CHAN5G(165, 0), 103bdcd8170SKalle Valo CHAN5G(184, 0), CHAN5G(188, 0), 104bdcd8170SKalle Valo CHAN5G(192, 0), CHAN5G(196, 0), 105bdcd8170SKalle Valo CHAN5G(200, 0), CHAN5G(204, 0), 106bdcd8170SKalle Valo CHAN5G(208, 0), CHAN5G(212, 0), 107bdcd8170SKalle Valo CHAN5G(216, 0), 108bdcd8170SKalle Valo }; 109bdcd8170SKalle Valo 110bdcd8170SKalle Valo static struct ieee80211_supported_band ath6kl_band_2ghz = { 111bdcd8170SKalle Valo .n_channels = ARRAY_SIZE(ath6kl_2ghz_channels), 112bdcd8170SKalle Valo .channels = ath6kl_2ghz_channels, 113bdcd8170SKalle Valo .n_bitrates = ath6kl_g_rates_size, 114bdcd8170SKalle Valo .bitrates = ath6kl_g_rates, 115bdcd8170SKalle Valo }; 116bdcd8170SKalle Valo 117bdcd8170SKalle Valo static struct ieee80211_supported_band ath6kl_band_5ghz = { 118bdcd8170SKalle Valo .n_channels = ARRAY_SIZE(ath6kl_5ghz_a_channels), 119bdcd8170SKalle Valo .channels = ath6kl_5ghz_a_channels, 120bdcd8170SKalle Valo .n_bitrates = ath6kl_a_rates_size, 121bdcd8170SKalle Valo .bitrates = ath6kl_a_rates, 122bdcd8170SKalle Valo }; 123bdcd8170SKalle Valo 124837cb97eSJouni Malinen #define CCKM_KRK_CIPHER_SUITE 0x004096ff /* use for KRK */ 125837cb97eSJouni Malinen 12610509f90SKalle Valo /* returns true if scheduled scan was stopped */ 12710509f90SKalle Valo static bool __ath6kl_cfg80211_sscan_stop(struct ath6kl_vif *vif) 12810509f90SKalle Valo { 12910509f90SKalle Valo struct ath6kl *ar = vif->ar; 13010509f90SKalle Valo 13110509f90SKalle Valo if (ar->state != ATH6KL_STATE_SCHED_SCAN) 13210509f90SKalle Valo return false; 13310509f90SKalle Valo 13410509f90SKalle Valo del_timer_sync(&vif->sched_scan_timer); 13510509f90SKalle Valo 13610509f90SKalle Valo ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx, 13710509f90SKalle Valo ATH6KL_HOST_MODE_AWAKE); 13810509f90SKalle Valo 13910509f90SKalle Valo ar->state = ATH6KL_STATE_ON; 14010509f90SKalle Valo 14110509f90SKalle Valo return true; 14210509f90SKalle Valo } 14310509f90SKalle Valo 14410509f90SKalle Valo static void ath6kl_cfg80211_sscan_disable(struct ath6kl_vif *vif) 14510509f90SKalle Valo { 14610509f90SKalle Valo struct ath6kl *ar = vif->ar; 14710509f90SKalle Valo bool stopped; 14810509f90SKalle Valo 14910509f90SKalle Valo stopped = __ath6kl_cfg80211_sscan_stop(vif); 15010509f90SKalle Valo 15110509f90SKalle Valo if (!stopped) 15210509f90SKalle Valo return; 15310509f90SKalle Valo 15410509f90SKalle Valo cfg80211_sched_scan_stopped(ar->wiphy); 15510509f90SKalle Valo } 15610509f90SKalle Valo 157240d2799SVasanthakumar Thiagarajan static int ath6kl_set_wpa_version(struct ath6kl_vif *vif, 158bdcd8170SKalle Valo enum nl80211_wpa_versions wpa_version) 159bdcd8170SKalle Valo { 160bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: %u\n", __func__, wpa_version); 161bdcd8170SKalle Valo 162bdcd8170SKalle Valo if (!wpa_version) { 1633450334fSVasanthakumar Thiagarajan vif->auth_mode = NONE_AUTH; 164bdcd8170SKalle Valo } else if (wpa_version & NL80211_WPA_VERSION_2) { 1653450334fSVasanthakumar Thiagarajan vif->auth_mode = WPA2_AUTH; 166bdcd8170SKalle Valo } else if (wpa_version & NL80211_WPA_VERSION_1) { 1673450334fSVasanthakumar Thiagarajan vif->auth_mode = WPA_AUTH; 168bdcd8170SKalle Valo } else { 169bdcd8170SKalle Valo ath6kl_err("%s: %u not supported\n", __func__, wpa_version); 170bdcd8170SKalle Valo return -ENOTSUPP; 171bdcd8170SKalle Valo } 172bdcd8170SKalle Valo 173bdcd8170SKalle Valo return 0; 174bdcd8170SKalle Valo } 175bdcd8170SKalle Valo 176240d2799SVasanthakumar Thiagarajan static int ath6kl_set_auth_type(struct ath6kl_vif *vif, 177bdcd8170SKalle Valo enum nl80211_auth_type auth_type) 178bdcd8170SKalle Valo { 179bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: 0x%x\n", __func__, auth_type); 180bdcd8170SKalle Valo 181bdcd8170SKalle Valo switch (auth_type) { 182bdcd8170SKalle Valo case NL80211_AUTHTYPE_OPEN_SYSTEM: 1833450334fSVasanthakumar Thiagarajan vif->dot11_auth_mode = OPEN_AUTH; 184bdcd8170SKalle Valo break; 185bdcd8170SKalle Valo case NL80211_AUTHTYPE_SHARED_KEY: 1863450334fSVasanthakumar Thiagarajan vif->dot11_auth_mode = SHARED_AUTH; 187bdcd8170SKalle Valo break; 188bdcd8170SKalle Valo case NL80211_AUTHTYPE_NETWORK_EAP: 1893450334fSVasanthakumar Thiagarajan vif->dot11_auth_mode = LEAP_AUTH; 190bdcd8170SKalle Valo break; 191bdcd8170SKalle Valo 192bdcd8170SKalle Valo case NL80211_AUTHTYPE_AUTOMATIC: 1933450334fSVasanthakumar Thiagarajan vif->dot11_auth_mode = OPEN_AUTH | SHARED_AUTH; 194bdcd8170SKalle Valo break; 195bdcd8170SKalle Valo 196bdcd8170SKalle Valo default: 1973c325fbdSMasanari Iida ath6kl_err("%s: 0x%x not supported\n", __func__, auth_type); 198bdcd8170SKalle Valo return -ENOTSUPP; 199bdcd8170SKalle Valo } 200bdcd8170SKalle Valo 201bdcd8170SKalle Valo return 0; 202bdcd8170SKalle Valo } 203bdcd8170SKalle Valo 204240d2799SVasanthakumar Thiagarajan static int ath6kl_set_cipher(struct ath6kl_vif *vif, u32 cipher, bool ucast) 205bdcd8170SKalle Valo { 2063450334fSVasanthakumar Thiagarajan u8 *ar_cipher = ucast ? &vif->prwise_crypto : &vif->grp_crypto; 2073450334fSVasanthakumar Thiagarajan u8 *ar_cipher_len = ucast ? &vif->prwise_crypto_len : 2083450334fSVasanthakumar Thiagarajan &vif->grp_crypto_len; 209bdcd8170SKalle Valo 210bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: cipher 0x%x, ucast %u\n", 211bdcd8170SKalle Valo __func__, cipher, ucast); 212bdcd8170SKalle Valo 213bdcd8170SKalle Valo switch (cipher) { 214bdcd8170SKalle Valo case 0: 215bdcd8170SKalle Valo /* our own hack to use value 0 as no crypto used */ 216bdcd8170SKalle Valo *ar_cipher = NONE_CRYPT; 217bdcd8170SKalle Valo *ar_cipher_len = 0; 218bdcd8170SKalle Valo break; 219bdcd8170SKalle Valo case WLAN_CIPHER_SUITE_WEP40: 220bdcd8170SKalle Valo *ar_cipher = WEP_CRYPT; 221bdcd8170SKalle Valo *ar_cipher_len = 5; 222bdcd8170SKalle Valo break; 223bdcd8170SKalle Valo case WLAN_CIPHER_SUITE_WEP104: 224bdcd8170SKalle Valo *ar_cipher = WEP_CRYPT; 225bdcd8170SKalle Valo *ar_cipher_len = 13; 226bdcd8170SKalle Valo break; 227bdcd8170SKalle Valo case WLAN_CIPHER_SUITE_TKIP: 228bdcd8170SKalle Valo *ar_cipher = TKIP_CRYPT; 229bdcd8170SKalle Valo *ar_cipher_len = 0; 230bdcd8170SKalle Valo break; 231bdcd8170SKalle Valo case WLAN_CIPHER_SUITE_CCMP: 232bdcd8170SKalle Valo *ar_cipher = AES_CRYPT; 233bdcd8170SKalle Valo *ar_cipher_len = 0; 234bdcd8170SKalle Valo break; 2355e07021eSDai Shuibing case WLAN_CIPHER_SUITE_SMS4: 2365e07021eSDai Shuibing *ar_cipher = WAPI_CRYPT; 2375e07021eSDai Shuibing *ar_cipher_len = 0; 2385e07021eSDai Shuibing break; 239bdcd8170SKalle Valo default: 240bdcd8170SKalle Valo ath6kl_err("cipher 0x%x not supported\n", cipher); 241bdcd8170SKalle Valo return -ENOTSUPP; 242bdcd8170SKalle Valo } 243bdcd8170SKalle Valo 244bdcd8170SKalle Valo return 0; 245bdcd8170SKalle Valo } 246bdcd8170SKalle Valo 247240d2799SVasanthakumar Thiagarajan static void ath6kl_set_key_mgmt(struct ath6kl_vif *vif, u32 key_mgmt) 248bdcd8170SKalle Valo { 249bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: 0x%x\n", __func__, key_mgmt); 250bdcd8170SKalle Valo 251bdcd8170SKalle Valo if (key_mgmt == WLAN_AKM_SUITE_PSK) { 2523450334fSVasanthakumar Thiagarajan if (vif->auth_mode == WPA_AUTH) 2533450334fSVasanthakumar Thiagarajan vif->auth_mode = WPA_PSK_AUTH; 2543450334fSVasanthakumar Thiagarajan else if (vif->auth_mode == WPA2_AUTH) 2553450334fSVasanthakumar Thiagarajan vif->auth_mode = WPA2_PSK_AUTH; 256837cb97eSJouni Malinen } else if (key_mgmt == 0x00409600) { 2573450334fSVasanthakumar Thiagarajan if (vif->auth_mode == WPA_AUTH) 2583450334fSVasanthakumar Thiagarajan vif->auth_mode = WPA_AUTH_CCKM; 2593450334fSVasanthakumar Thiagarajan else if (vif->auth_mode == WPA2_AUTH) 2603450334fSVasanthakumar Thiagarajan vif->auth_mode = WPA2_AUTH_CCKM; 261bdcd8170SKalle Valo } else if (key_mgmt != WLAN_AKM_SUITE_8021X) { 2623450334fSVasanthakumar Thiagarajan vif->auth_mode = NONE_AUTH; 263bdcd8170SKalle Valo } 264bdcd8170SKalle Valo } 265bdcd8170SKalle Valo 266990bd915SVasanthakumar Thiagarajan static bool ath6kl_cfg80211_ready(struct ath6kl_vif *vif) 267bdcd8170SKalle Valo { 268990bd915SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 26959c98449SVasanthakumar Thiagarajan 270bdcd8170SKalle Valo if (!test_bit(WMI_READY, &ar->flag)) { 271bdcd8170SKalle Valo ath6kl_err("wmi is not ready\n"); 272bdcd8170SKalle Valo return false; 273bdcd8170SKalle Valo } 274bdcd8170SKalle Valo 27559c98449SVasanthakumar Thiagarajan if (!test_bit(WLAN_ENABLED, &vif->flags)) { 276bdcd8170SKalle Valo ath6kl_err("wlan disabled\n"); 277bdcd8170SKalle Valo return false; 278bdcd8170SKalle Valo } 279bdcd8170SKalle Valo 280bdcd8170SKalle Valo return true; 281bdcd8170SKalle Valo } 282bdcd8170SKalle Valo 2836981ffdcSKevin Fang static bool ath6kl_is_wpa_ie(const u8 *pos) 2846981ffdcSKevin Fang { 2856981ffdcSKevin Fang return pos[0] == WLAN_EID_WPA && pos[1] >= 4 && 2866981ffdcSKevin Fang pos[2] == 0x00 && pos[3] == 0x50 && 2876981ffdcSKevin Fang pos[4] == 0xf2 && pos[5] == 0x01; 2886981ffdcSKevin Fang } 2896981ffdcSKevin Fang 2906981ffdcSKevin Fang static bool ath6kl_is_rsn_ie(const u8 *pos) 2916981ffdcSKevin Fang { 2926981ffdcSKevin Fang return pos[0] == WLAN_EID_RSN; 2936981ffdcSKevin Fang } 2946981ffdcSKevin Fang 29563541212SAarthi Thiruvengadam static bool ath6kl_is_wps_ie(const u8 *pos) 29663541212SAarthi Thiruvengadam { 29763541212SAarthi Thiruvengadam return (pos[0] == WLAN_EID_VENDOR_SPECIFIC && 29863541212SAarthi Thiruvengadam pos[1] >= 4 && 29963541212SAarthi Thiruvengadam pos[2] == 0x00 && pos[3] == 0x50 && pos[4] == 0xf2 && 30063541212SAarthi Thiruvengadam pos[5] == 0x04); 30163541212SAarthi Thiruvengadam } 30263541212SAarthi Thiruvengadam 303334234b5SVasanthakumar Thiagarajan static int ath6kl_set_assoc_req_ies(struct ath6kl_vif *vif, const u8 *ies, 3046981ffdcSKevin Fang size_t ies_len) 3056981ffdcSKevin Fang { 306334234b5SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 3076981ffdcSKevin Fang const u8 *pos; 3086981ffdcSKevin Fang u8 *buf = NULL; 3096981ffdcSKevin Fang size_t len = 0; 3106981ffdcSKevin Fang int ret; 3116981ffdcSKevin Fang 3126981ffdcSKevin Fang /* 31363541212SAarthi Thiruvengadam * Clear previously set flag 31463541212SAarthi Thiruvengadam */ 31563541212SAarthi Thiruvengadam 31663541212SAarthi Thiruvengadam ar->connect_ctrl_flags &= ~CONNECT_WPS_FLAG; 31763541212SAarthi Thiruvengadam 31863541212SAarthi Thiruvengadam /* 3196981ffdcSKevin Fang * Filter out RSN/WPA IE(s) 3206981ffdcSKevin Fang */ 3216981ffdcSKevin Fang 3226981ffdcSKevin Fang if (ies && ies_len) { 3236981ffdcSKevin Fang buf = kmalloc(ies_len, GFP_KERNEL); 3246981ffdcSKevin Fang if (buf == NULL) 3256981ffdcSKevin Fang return -ENOMEM; 3266981ffdcSKevin Fang pos = ies; 3276981ffdcSKevin Fang 3286981ffdcSKevin Fang while (pos + 1 < ies + ies_len) { 3296981ffdcSKevin Fang if (pos + 2 + pos[1] > ies + ies_len) 3306981ffdcSKevin Fang break; 3316981ffdcSKevin Fang if (!(ath6kl_is_wpa_ie(pos) || ath6kl_is_rsn_ie(pos))) { 3326981ffdcSKevin Fang memcpy(buf + len, pos, 2 + pos[1]); 3336981ffdcSKevin Fang len += 2 + pos[1]; 3346981ffdcSKevin Fang } 33563541212SAarthi Thiruvengadam 33663541212SAarthi Thiruvengadam if (ath6kl_is_wps_ie(pos)) 33763541212SAarthi Thiruvengadam ar->connect_ctrl_flags |= CONNECT_WPS_FLAG; 33863541212SAarthi Thiruvengadam 3396981ffdcSKevin Fang pos += 2 + pos[1]; 3406981ffdcSKevin Fang } 3416981ffdcSKevin Fang } 3426981ffdcSKevin Fang 343334234b5SVasanthakumar Thiagarajan ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, 344334234b5SVasanthakumar Thiagarajan WMI_FRAME_ASSOC_REQ, buf, len); 3456981ffdcSKevin Fang kfree(buf); 3466981ffdcSKevin Fang return ret; 3476981ffdcSKevin Fang } 3486981ffdcSKevin Fang 34955055976SVasanthakumar Thiagarajan static int ath6kl_nliftype_to_drv_iftype(enum nl80211_iftype type, u8 *nw_type) 35055055976SVasanthakumar Thiagarajan { 35155055976SVasanthakumar Thiagarajan switch (type) { 35255055976SVasanthakumar Thiagarajan case NL80211_IFTYPE_STATION: 35355055976SVasanthakumar Thiagarajan *nw_type = INFRA_NETWORK; 35455055976SVasanthakumar Thiagarajan break; 35555055976SVasanthakumar Thiagarajan case NL80211_IFTYPE_ADHOC: 35655055976SVasanthakumar Thiagarajan *nw_type = ADHOC_NETWORK; 35755055976SVasanthakumar Thiagarajan break; 35855055976SVasanthakumar Thiagarajan case NL80211_IFTYPE_AP: 35955055976SVasanthakumar Thiagarajan *nw_type = AP_NETWORK; 36055055976SVasanthakumar Thiagarajan break; 36155055976SVasanthakumar Thiagarajan case NL80211_IFTYPE_P2P_CLIENT: 36255055976SVasanthakumar Thiagarajan *nw_type = INFRA_NETWORK; 36355055976SVasanthakumar Thiagarajan break; 36455055976SVasanthakumar Thiagarajan case NL80211_IFTYPE_P2P_GO: 36555055976SVasanthakumar Thiagarajan *nw_type = AP_NETWORK; 36655055976SVasanthakumar Thiagarajan break; 36755055976SVasanthakumar Thiagarajan default: 36855055976SVasanthakumar Thiagarajan ath6kl_err("invalid interface type %u\n", type); 36955055976SVasanthakumar Thiagarajan return -ENOTSUPP; 37055055976SVasanthakumar Thiagarajan } 37155055976SVasanthakumar Thiagarajan 37255055976SVasanthakumar Thiagarajan return 0; 37355055976SVasanthakumar Thiagarajan } 37455055976SVasanthakumar Thiagarajan 37555055976SVasanthakumar Thiagarajan static bool ath6kl_is_valid_iftype(struct ath6kl *ar, enum nl80211_iftype type, 37655055976SVasanthakumar Thiagarajan u8 *if_idx, u8 *nw_type) 37755055976SVasanthakumar Thiagarajan { 37855055976SVasanthakumar Thiagarajan int i; 37955055976SVasanthakumar Thiagarajan 38055055976SVasanthakumar Thiagarajan if (ath6kl_nliftype_to_drv_iftype(type, nw_type)) 38155055976SVasanthakumar Thiagarajan return false; 38255055976SVasanthakumar Thiagarajan 38355055976SVasanthakumar Thiagarajan if (ar->ibss_if_active || ((type == NL80211_IFTYPE_ADHOC) && 38455055976SVasanthakumar Thiagarajan ar->num_vif)) 38555055976SVasanthakumar Thiagarajan return false; 38655055976SVasanthakumar Thiagarajan 38755055976SVasanthakumar Thiagarajan if (type == NL80211_IFTYPE_STATION || 38855055976SVasanthakumar Thiagarajan type == NL80211_IFTYPE_AP || type == NL80211_IFTYPE_ADHOC) { 38971f96ee6SKalle Valo for (i = 0; i < ar->vif_max; i++) { 39055055976SVasanthakumar Thiagarajan if ((ar->avail_idx_map >> i) & BIT(0)) { 39155055976SVasanthakumar Thiagarajan *if_idx = i; 39255055976SVasanthakumar Thiagarajan return true; 39355055976SVasanthakumar Thiagarajan } 39455055976SVasanthakumar Thiagarajan } 39555055976SVasanthakumar Thiagarajan } 39655055976SVasanthakumar Thiagarajan 3973226f68aSVasanthakumar Thiagarajan if (type == NL80211_IFTYPE_P2P_CLIENT || 3983226f68aSVasanthakumar Thiagarajan type == NL80211_IFTYPE_P2P_GO) { 39971f96ee6SKalle Valo for (i = ar->max_norm_iface; i < ar->vif_max; i++) { 4003226f68aSVasanthakumar Thiagarajan if ((ar->avail_idx_map >> i) & BIT(0)) { 4013226f68aSVasanthakumar Thiagarajan *if_idx = i; 4023226f68aSVasanthakumar Thiagarajan return true; 4033226f68aSVasanthakumar Thiagarajan } 4043226f68aSVasanthakumar Thiagarajan } 4053226f68aSVasanthakumar Thiagarajan } 4063226f68aSVasanthakumar Thiagarajan 40755055976SVasanthakumar Thiagarajan return false; 40855055976SVasanthakumar Thiagarajan } 40955055976SVasanthakumar Thiagarajan 410bdcd8170SKalle Valo static int ath6kl_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev, 411bdcd8170SKalle Valo struct cfg80211_connect_params *sme) 412bdcd8170SKalle Valo { 413bdcd8170SKalle Valo struct ath6kl *ar = ath6kl_priv(dev); 41459c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 415bdcd8170SKalle Valo int status; 4163ca9d1fcSAarthi Thiruvengadam u8 nw_subtype = (ar->p2p) ? SUBTYPE_P2PDEV : SUBTYPE_NONE; 417bdcd8170SKalle Valo 41810509f90SKalle Valo ath6kl_cfg80211_sscan_disable(vif); 41910509f90SKalle Valo 42014ee6f6bSVasanthakumar Thiagarajan vif->sme_state = SME_CONNECTING; 421bdcd8170SKalle Valo 422990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 423bdcd8170SKalle Valo return -EIO; 424bdcd8170SKalle Valo 425bdcd8170SKalle Valo if (test_bit(DESTROY_IN_PROGRESS, &ar->flag)) { 426bdcd8170SKalle Valo ath6kl_err("destroy in progress\n"); 427bdcd8170SKalle Valo return -EBUSY; 428bdcd8170SKalle Valo } 429bdcd8170SKalle Valo 430bdcd8170SKalle Valo if (test_bit(SKIP_SCAN, &ar->flag) && 431bdcd8170SKalle Valo ((sme->channel && sme->channel->center_freq == 0) || 432bdcd8170SKalle Valo (sme->bssid && is_zero_ether_addr(sme->bssid)))) { 433bdcd8170SKalle Valo ath6kl_err("SkipScan: channel or bssid invalid\n"); 434bdcd8170SKalle Valo return -EINVAL; 435bdcd8170SKalle Valo } 436bdcd8170SKalle Valo 437bdcd8170SKalle Valo if (down_interruptible(&ar->sem)) { 438bdcd8170SKalle Valo ath6kl_err("busy, couldn't get access\n"); 439bdcd8170SKalle Valo return -ERESTARTSYS; 440bdcd8170SKalle Valo } 441bdcd8170SKalle Valo 442bdcd8170SKalle Valo if (test_bit(DESTROY_IN_PROGRESS, &ar->flag)) { 443bdcd8170SKalle Valo ath6kl_err("busy, destroy in progress\n"); 444bdcd8170SKalle Valo up(&ar->sem); 445bdcd8170SKalle Valo return -EBUSY; 446bdcd8170SKalle Valo } 447bdcd8170SKalle Valo 448bdcd8170SKalle Valo if (ar->tx_pending[ath6kl_wmi_get_control_ep(ar->wmi)]) { 449bdcd8170SKalle Valo /* 450bdcd8170SKalle Valo * sleep until the command queue drains 451bdcd8170SKalle Valo */ 452bdcd8170SKalle Valo wait_event_interruptible_timeout(ar->event_wq, 453bdcd8170SKalle Valo ar->tx_pending[ath6kl_wmi_get_control_ep(ar->wmi)] == 0, 454bdcd8170SKalle Valo WMI_TIMEOUT); 455bdcd8170SKalle Valo if (signal_pending(current)) { 456bdcd8170SKalle Valo ath6kl_err("cmd queue drain timeout\n"); 457bdcd8170SKalle Valo up(&ar->sem); 458bdcd8170SKalle Valo return -EINTR; 459bdcd8170SKalle Valo } 460bdcd8170SKalle Valo } 461bdcd8170SKalle Valo 462334234b5SVasanthakumar Thiagarajan status = ath6kl_set_assoc_req_ies(vif, sme->ie, sme->ie_len); 463743b4518SDan Carpenter if (status) { 464743b4518SDan Carpenter up(&ar->sem); 4656981ffdcSKevin Fang return status; 466743b4518SDan Carpenter } 4676e786cb1SJouni Malinen 4686e786cb1SJouni Malinen if (sme->ie == NULL || sme->ie_len == 0) 469542c519aSRaja Mani ar->connect_ctrl_flags &= ~CONNECT_WPS_FLAG; 4706981ffdcSKevin Fang 47159c98449SVasanthakumar Thiagarajan if (test_bit(CONNECTED, &vif->flags) && 4723450334fSVasanthakumar Thiagarajan vif->ssid_len == sme->ssid_len && 4733450334fSVasanthakumar Thiagarajan !memcmp(vif->ssid, sme->ssid, vif->ssid_len)) { 474cf5333d7SVasanthakumar Thiagarajan vif->reconnect_flag = true; 475334234b5SVasanthakumar Thiagarajan status = ath6kl_wmi_reconnect_cmd(ar->wmi, vif->fw_vif_idx, 476334234b5SVasanthakumar Thiagarajan vif->req_bssid, 477f74bac54SVasanthakumar Thiagarajan vif->ch_hint); 478bdcd8170SKalle Valo 479bdcd8170SKalle Valo up(&ar->sem); 480bdcd8170SKalle Valo if (status) { 481bdcd8170SKalle Valo ath6kl_err("wmi_reconnect_cmd failed\n"); 482bdcd8170SKalle Valo return -EIO; 483bdcd8170SKalle Valo } 484bdcd8170SKalle Valo return 0; 4853450334fSVasanthakumar Thiagarajan } else if (vif->ssid_len == sme->ssid_len && 4863450334fSVasanthakumar Thiagarajan !memcmp(vif->ssid, sme->ssid, vif->ssid_len)) { 487240d2799SVasanthakumar Thiagarajan ath6kl_disconnect(vif); 488bdcd8170SKalle Valo } 489bdcd8170SKalle Valo 4903450334fSVasanthakumar Thiagarajan memset(vif->ssid, 0, sizeof(vif->ssid)); 4913450334fSVasanthakumar Thiagarajan vif->ssid_len = sme->ssid_len; 4923450334fSVasanthakumar Thiagarajan memcpy(vif->ssid, sme->ssid, sme->ssid_len); 493bdcd8170SKalle Valo 494bdcd8170SKalle Valo if (sme->channel) 495f74bac54SVasanthakumar Thiagarajan vif->ch_hint = sme->channel->center_freq; 496bdcd8170SKalle Valo 4978c8b65e3SVasanthakumar Thiagarajan memset(vif->req_bssid, 0, sizeof(vif->req_bssid)); 498bdcd8170SKalle Valo if (sme->bssid && !is_broadcast_ether_addr(sme->bssid)) 4998c8b65e3SVasanthakumar Thiagarajan memcpy(vif->req_bssid, sme->bssid, sizeof(vif->req_bssid)); 500bdcd8170SKalle Valo 501240d2799SVasanthakumar Thiagarajan ath6kl_set_wpa_version(vif, sme->crypto.wpa_versions); 502bdcd8170SKalle Valo 503240d2799SVasanthakumar Thiagarajan status = ath6kl_set_auth_type(vif, sme->auth_type); 504bdcd8170SKalle Valo if (status) { 505bdcd8170SKalle Valo up(&ar->sem); 506bdcd8170SKalle Valo return status; 507bdcd8170SKalle Valo } 508bdcd8170SKalle Valo 509bdcd8170SKalle Valo if (sme->crypto.n_ciphers_pairwise) 510240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, sme->crypto.ciphers_pairwise[0], true); 511bdcd8170SKalle Valo else 512240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, 0, true); 513bdcd8170SKalle Valo 514240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, sme->crypto.cipher_group, false); 515bdcd8170SKalle Valo 516bdcd8170SKalle Valo if (sme->crypto.n_akm_suites) 517240d2799SVasanthakumar Thiagarajan ath6kl_set_key_mgmt(vif, sme->crypto.akm_suites[0]); 518bdcd8170SKalle Valo 519bdcd8170SKalle Valo if ((sme->key_len) && 5203450334fSVasanthakumar Thiagarajan (vif->auth_mode == NONE_AUTH) && 5213450334fSVasanthakumar Thiagarajan (vif->prwise_crypto == WEP_CRYPT)) { 522bdcd8170SKalle Valo struct ath6kl_key *key = NULL; 523bdcd8170SKalle Valo 524792ecb33SVivek Natarajan if (sme->key_idx > WMI_MAX_KEY_INDEX) { 525bdcd8170SKalle Valo ath6kl_err("key index %d out of bounds\n", 526bdcd8170SKalle Valo sme->key_idx); 527bdcd8170SKalle Valo up(&ar->sem); 528bdcd8170SKalle Valo return -ENOENT; 529bdcd8170SKalle Valo } 530bdcd8170SKalle Valo 5316f2a73f9SVasanthakumar Thiagarajan key = &vif->keys[sme->key_idx]; 532bdcd8170SKalle Valo key->key_len = sme->key_len; 533bdcd8170SKalle Valo memcpy(key->key, sme->key, key->key_len); 5343450334fSVasanthakumar Thiagarajan key->cipher = vif->prwise_crypto; 5353450334fSVasanthakumar Thiagarajan vif->def_txkey_index = sme->key_idx; 536bdcd8170SKalle Valo 537334234b5SVasanthakumar Thiagarajan ath6kl_wmi_addkey_cmd(ar->wmi, vif->fw_vif_idx, sme->key_idx, 5383450334fSVasanthakumar Thiagarajan vif->prwise_crypto, 539bdcd8170SKalle Valo GROUP_USAGE | TX_USAGE, 540bdcd8170SKalle Valo key->key_len, 541f4bb9a6fSJouni Malinen NULL, 0, 542bdcd8170SKalle Valo key->key, KEY_OP_INIT_VAL, NULL, 543bdcd8170SKalle Valo NO_SYNC_WMIFLAG); 544bdcd8170SKalle Valo } 545bdcd8170SKalle Valo 546bdcd8170SKalle Valo if (!ar->usr_bss_filter) { 54759c98449SVasanthakumar Thiagarajan clear_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags); 548240d2799SVasanthakumar Thiagarajan if (ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx, 549240d2799SVasanthakumar Thiagarajan ALL_BSS_FILTER, 0) != 0) { 550bdcd8170SKalle Valo ath6kl_err("couldn't set bss filtering\n"); 551bdcd8170SKalle Valo up(&ar->sem); 552bdcd8170SKalle Valo return -EIO; 553bdcd8170SKalle Valo } 554bdcd8170SKalle Valo } 555bdcd8170SKalle Valo 556f5938f24SVasanthakumar Thiagarajan vif->nw_type = vif->next_mode; 557bdcd8170SKalle Valo 5583ca9d1fcSAarthi Thiruvengadam if (vif->wdev.iftype == NL80211_IFTYPE_P2P_CLIENT) 5593ca9d1fcSAarthi Thiruvengadam nw_subtype = SUBTYPE_P2PCLIENT; 5603ca9d1fcSAarthi Thiruvengadam 561bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 562bdcd8170SKalle Valo "%s: connect called with authmode %d dot11 auth %d" 563bdcd8170SKalle Valo " PW crypto %d PW crypto len %d GRP crypto %d" 564bdcd8170SKalle Valo " GRP crypto len %d channel hint %u\n", 565bdcd8170SKalle Valo __func__, 5663450334fSVasanthakumar Thiagarajan vif->auth_mode, vif->dot11_auth_mode, vif->prwise_crypto, 5673450334fSVasanthakumar Thiagarajan vif->prwise_crypto_len, vif->grp_crypto, 568f74bac54SVasanthakumar Thiagarajan vif->grp_crypto_len, vif->ch_hint); 569bdcd8170SKalle Valo 570cf5333d7SVasanthakumar Thiagarajan vif->reconnect_flag = 0; 571334234b5SVasanthakumar Thiagarajan status = ath6kl_wmi_connect_cmd(ar->wmi, vif->fw_vif_idx, vif->nw_type, 5723450334fSVasanthakumar Thiagarajan vif->dot11_auth_mode, vif->auth_mode, 5733450334fSVasanthakumar Thiagarajan vif->prwise_crypto, 5743450334fSVasanthakumar Thiagarajan vif->prwise_crypto_len, 5753450334fSVasanthakumar Thiagarajan vif->grp_crypto, vif->grp_crypto_len, 5763450334fSVasanthakumar Thiagarajan vif->ssid_len, vif->ssid, 577f74bac54SVasanthakumar Thiagarajan vif->req_bssid, vif->ch_hint, 5783ca9d1fcSAarthi Thiruvengadam ar->connect_ctrl_flags, nw_subtype); 579bdcd8170SKalle Valo 580bdcd8170SKalle Valo up(&ar->sem); 581bdcd8170SKalle Valo 582bdcd8170SKalle Valo if (status == -EINVAL) { 5833450334fSVasanthakumar Thiagarajan memset(vif->ssid, 0, sizeof(vif->ssid)); 5843450334fSVasanthakumar Thiagarajan vif->ssid_len = 0; 585bdcd8170SKalle Valo ath6kl_err("invalid request\n"); 586bdcd8170SKalle Valo return -ENOENT; 587bdcd8170SKalle Valo } else if (status) { 588bdcd8170SKalle Valo ath6kl_err("ath6kl_wmi_connect_cmd failed\n"); 589bdcd8170SKalle Valo return -EIO; 590bdcd8170SKalle Valo } 591bdcd8170SKalle Valo 592bdcd8170SKalle Valo if ((!(ar->connect_ctrl_flags & CONNECT_DO_WPA_OFFLOAD)) && 5933450334fSVasanthakumar Thiagarajan ((vif->auth_mode == WPA_PSK_AUTH) 5943450334fSVasanthakumar Thiagarajan || (vif->auth_mode == WPA2_PSK_AUTH))) { 595de3ad713SVasanthakumar Thiagarajan mod_timer(&vif->disconnect_timer, 596bdcd8170SKalle Valo jiffies + msecs_to_jiffies(DISCON_TIMER_INTVAL)); 597bdcd8170SKalle Valo } 598bdcd8170SKalle Valo 599bdcd8170SKalle Valo ar->connect_ctrl_flags &= ~CONNECT_DO_WPA_OFFLOAD; 60059c98449SVasanthakumar Thiagarajan set_bit(CONNECT_PEND, &vif->flags); 601bdcd8170SKalle Valo 602bdcd8170SKalle Valo return 0; 603bdcd8170SKalle Valo } 604bdcd8170SKalle Valo 6055e13fd35SVasanthakumar Thiagarajan static struct cfg80211_bss * 6065e13fd35SVasanthakumar Thiagarajan ath6kl_add_bss_if_needed(struct ath6kl_vif *vif, 6074eab6f4fSRaja Mani enum network_type nw_type, 6084eab6f4fSRaja Mani const u8 *bssid, 60901cac476SJouni Malinen struct ieee80211_channel *chan, 6105e13fd35SVasanthakumar Thiagarajan const u8 *beacon_ie, 6115e13fd35SVasanthakumar Thiagarajan size_t beacon_ie_len) 61201cac476SJouni Malinen { 613240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 61401cac476SJouni Malinen struct cfg80211_bss *bss; 6154eab6f4fSRaja Mani u16 cap_mask, cap_val; 61601cac476SJouni Malinen u8 *ie; 61701cac476SJouni Malinen 6184eab6f4fSRaja Mani if (nw_type & ADHOC_NETWORK) { 6194eab6f4fSRaja Mani cap_mask = WLAN_CAPABILITY_IBSS; 6204eab6f4fSRaja Mani cap_val = WLAN_CAPABILITY_IBSS; 6214eab6f4fSRaja Mani } else { 6224eab6f4fSRaja Mani cap_mask = WLAN_CAPABILITY_ESS; 6234eab6f4fSRaja Mani cap_val = WLAN_CAPABILITY_ESS; 6244eab6f4fSRaja Mani } 6254eab6f4fSRaja Mani 626be98e3a4SVasanthakumar Thiagarajan bss = cfg80211_get_bss(ar->wiphy, chan, bssid, 6274eab6f4fSRaja Mani vif->ssid, vif->ssid_len, 6284eab6f4fSRaja Mani cap_mask, cap_val); 62901cac476SJouni Malinen if (bss == NULL) { 63001cac476SJouni Malinen /* 63101cac476SJouni Malinen * Since cfg80211 may not yet know about the BSS, 63201cac476SJouni Malinen * generate a partial entry until the first BSS info 63301cac476SJouni Malinen * event becomes available. 63401cac476SJouni Malinen * 63501cac476SJouni Malinen * Prepend SSID element since it is not included in the Beacon 63601cac476SJouni Malinen * IEs from the target. 63701cac476SJouni Malinen */ 6383450334fSVasanthakumar Thiagarajan ie = kmalloc(2 + vif->ssid_len + beacon_ie_len, GFP_KERNEL); 63901cac476SJouni Malinen if (ie == NULL) 6405e13fd35SVasanthakumar Thiagarajan return NULL; 64101cac476SJouni Malinen ie[0] = WLAN_EID_SSID; 6423450334fSVasanthakumar Thiagarajan ie[1] = vif->ssid_len; 6433450334fSVasanthakumar Thiagarajan memcpy(ie + 2, vif->ssid, vif->ssid_len); 6443450334fSVasanthakumar Thiagarajan memcpy(ie + 2 + vif->ssid_len, beacon_ie, beacon_ie_len); 645be98e3a4SVasanthakumar Thiagarajan bss = cfg80211_inform_bss(ar->wiphy, chan, 6464eab6f4fSRaja Mani bssid, 0, cap_val, 100, 6473450334fSVasanthakumar Thiagarajan ie, 2 + vif->ssid_len + beacon_ie_len, 64801cac476SJouni Malinen 0, GFP_KERNEL); 64901cac476SJouni Malinen if (bss) 6504eab6f4fSRaja Mani ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "added bss %pM to " 6514eab6f4fSRaja Mani "cfg80211\n", bssid); 65201cac476SJouni Malinen kfree(ie); 65301cac476SJouni Malinen } else 6545e13fd35SVasanthakumar Thiagarajan ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "cfg80211 already has a bss\n"); 65501cac476SJouni Malinen 6565e13fd35SVasanthakumar Thiagarajan return bss; 65701cac476SJouni Malinen } 65801cac476SJouni Malinen 659240d2799SVasanthakumar Thiagarajan void ath6kl_cfg80211_connect_event(struct ath6kl_vif *vif, u16 channel, 660bdcd8170SKalle Valo u8 *bssid, u16 listen_intvl, 661bdcd8170SKalle Valo u16 beacon_intvl, 662bdcd8170SKalle Valo enum network_type nw_type, 663bdcd8170SKalle Valo u8 beacon_ie_len, u8 assoc_req_len, 664bdcd8170SKalle Valo u8 assoc_resp_len, u8 *assoc_info) 665bdcd8170SKalle Valo { 66601cac476SJouni Malinen struct ieee80211_channel *chan; 667240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 6685e13fd35SVasanthakumar Thiagarajan struct cfg80211_bss *bss; 669bdcd8170SKalle Valo 670bdcd8170SKalle Valo /* capinfo + listen interval */ 671bdcd8170SKalle Valo u8 assoc_req_ie_offset = sizeof(u16) + sizeof(u16); 672bdcd8170SKalle Valo 673bdcd8170SKalle Valo /* capinfo + status code + associd */ 674bdcd8170SKalle Valo u8 assoc_resp_ie_offset = sizeof(u16) + sizeof(u16) + sizeof(u16); 675bdcd8170SKalle Valo 676bdcd8170SKalle Valo u8 *assoc_req_ie = assoc_info + beacon_ie_len + assoc_req_ie_offset; 677bdcd8170SKalle Valo u8 *assoc_resp_ie = assoc_info + beacon_ie_len + assoc_req_len + 678bdcd8170SKalle Valo assoc_resp_ie_offset; 679bdcd8170SKalle Valo 680bdcd8170SKalle Valo assoc_req_len -= assoc_req_ie_offset; 681bdcd8170SKalle Valo assoc_resp_len -= assoc_resp_ie_offset; 682bdcd8170SKalle Valo 68332c10874SJouni Malinen /* 68432c10874SJouni Malinen * Store Beacon interval here; DTIM period will be available only once 68532c10874SJouni Malinen * a Beacon frame from the AP is seen. 68632c10874SJouni Malinen */ 687cf5333d7SVasanthakumar Thiagarajan vif->assoc_bss_beacon_int = beacon_intvl; 68859c98449SVasanthakumar Thiagarajan clear_bit(DTIM_PERIOD_AVAIL, &vif->flags); 68932c10874SJouni Malinen 690bdcd8170SKalle Valo if (nw_type & ADHOC_NETWORK) { 691551959d8SVasanthakumar Thiagarajan if (vif->wdev.iftype != NL80211_IFTYPE_ADHOC) { 692bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 693bdcd8170SKalle Valo "%s: ath6k not in ibss mode\n", __func__); 694bdcd8170SKalle Valo return; 695bdcd8170SKalle Valo } 696bdcd8170SKalle Valo } 697bdcd8170SKalle Valo 698bdcd8170SKalle Valo if (nw_type & INFRA_NETWORK) { 699551959d8SVasanthakumar Thiagarajan if (vif->wdev.iftype != NL80211_IFTYPE_STATION && 700551959d8SVasanthakumar Thiagarajan vif->wdev.iftype != NL80211_IFTYPE_P2P_CLIENT) { 701bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 702bdcd8170SKalle Valo "%s: ath6k not in station mode\n", __func__); 703bdcd8170SKalle Valo return; 704bdcd8170SKalle Valo } 705bdcd8170SKalle Valo } 706bdcd8170SKalle Valo 707be98e3a4SVasanthakumar Thiagarajan chan = ieee80211_get_channel(ar->wiphy, (int) channel); 708bdcd8170SKalle Valo 7095e13fd35SVasanthakumar Thiagarajan bss = ath6kl_add_bss_if_needed(vif, nw_type, bssid, chan, 7105e13fd35SVasanthakumar Thiagarajan assoc_info, beacon_ie_len); 7115e13fd35SVasanthakumar Thiagarajan if (!bss) { 7124eab6f4fSRaja Mani ath6kl_err("could not add cfg80211 bss entry\n"); 713bdcd8170SKalle Valo return; 714bdcd8170SKalle Valo } 715bdcd8170SKalle Valo 7164eab6f4fSRaja Mani if (nw_type & ADHOC_NETWORK) { 7174eab6f4fSRaja Mani ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "ad-hoc %s selected\n", 7184eab6f4fSRaja Mani nw_type & ADHOC_CREATOR ? "creator" : "joiner"); 7194eab6f4fSRaja Mani cfg80211_ibss_joined(vif->ndev, bssid, GFP_KERNEL); 7205e13fd35SVasanthakumar Thiagarajan cfg80211_put_bss(bss); 72101cac476SJouni Malinen return; 72201cac476SJouni Malinen } 72301cac476SJouni Malinen 72414ee6f6bSVasanthakumar Thiagarajan if (vif->sme_state == SME_CONNECTING) { 725bdcd8170SKalle Valo /* inform connect result to cfg80211 */ 72614ee6f6bSVasanthakumar Thiagarajan vif->sme_state = SME_CONNECTED; 727240d2799SVasanthakumar Thiagarajan cfg80211_connect_result(vif->ndev, bssid, 728bdcd8170SKalle Valo assoc_req_ie, assoc_req_len, 729bdcd8170SKalle Valo assoc_resp_ie, assoc_resp_len, 730bdcd8170SKalle Valo WLAN_STATUS_SUCCESS, GFP_KERNEL); 7315e13fd35SVasanthakumar Thiagarajan cfg80211_put_bss(bss); 73214ee6f6bSVasanthakumar Thiagarajan } else if (vif->sme_state == SME_CONNECTED) { 733bdcd8170SKalle Valo /* inform roam event to cfg80211 */ 7345e13fd35SVasanthakumar Thiagarajan cfg80211_roamed_bss(vif->ndev, bss, assoc_req_ie, assoc_req_len, 735bdcd8170SKalle Valo assoc_resp_ie, assoc_resp_len, GFP_KERNEL); 736bdcd8170SKalle Valo } 737bdcd8170SKalle Valo } 738bdcd8170SKalle Valo 739bdcd8170SKalle Valo static int ath6kl_cfg80211_disconnect(struct wiphy *wiphy, 740bdcd8170SKalle Valo struct net_device *dev, u16 reason_code) 741bdcd8170SKalle Valo { 742d6d5c06cSKalle Valo struct ath6kl *ar = ath6kl_priv(dev); 7433450334fSVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 744bdcd8170SKalle Valo 745bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: reason=%u\n", __func__, 746bdcd8170SKalle Valo reason_code); 747bdcd8170SKalle Valo 74810509f90SKalle Valo ath6kl_cfg80211_sscan_disable(vif); 74910509f90SKalle Valo 750990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 751bdcd8170SKalle Valo return -EIO; 752bdcd8170SKalle Valo 753bdcd8170SKalle Valo if (test_bit(DESTROY_IN_PROGRESS, &ar->flag)) { 754bdcd8170SKalle Valo ath6kl_err("busy, destroy in progress\n"); 755bdcd8170SKalle Valo return -EBUSY; 756bdcd8170SKalle Valo } 757bdcd8170SKalle Valo 758bdcd8170SKalle Valo if (down_interruptible(&ar->sem)) { 759bdcd8170SKalle Valo ath6kl_err("busy, couldn't get access\n"); 760bdcd8170SKalle Valo return -ERESTARTSYS; 761bdcd8170SKalle Valo } 762bdcd8170SKalle Valo 763cf5333d7SVasanthakumar Thiagarajan vif->reconnect_flag = 0; 764240d2799SVasanthakumar Thiagarajan ath6kl_disconnect(vif); 7653450334fSVasanthakumar Thiagarajan memset(vif->ssid, 0, sizeof(vif->ssid)); 7663450334fSVasanthakumar Thiagarajan vif->ssid_len = 0; 767bdcd8170SKalle Valo 768bdcd8170SKalle Valo if (!test_bit(SKIP_SCAN, &ar->flag)) 7698c8b65e3SVasanthakumar Thiagarajan memset(vif->req_bssid, 0, sizeof(vif->req_bssid)); 770bdcd8170SKalle Valo 771bdcd8170SKalle Valo up(&ar->sem); 772bdcd8170SKalle Valo 77314ee6f6bSVasanthakumar Thiagarajan vif->sme_state = SME_DISCONNECTED; 774170826ddSVasanthakumar Thiagarajan 775bdcd8170SKalle Valo return 0; 776bdcd8170SKalle Valo } 777bdcd8170SKalle Valo 778240d2799SVasanthakumar Thiagarajan void ath6kl_cfg80211_disconnect_event(struct ath6kl_vif *vif, u8 reason, 779bdcd8170SKalle Valo u8 *bssid, u8 assoc_resp_len, 780bdcd8170SKalle Valo u8 *assoc_info, u16 proto_reason) 781bdcd8170SKalle Valo { 782240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 78359c98449SVasanthakumar Thiagarajan 78414ee6f6bSVasanthakumar Thiagarajan if (vif->scan_req) { 78514ee6f6bSVasanthakumar Thiagarajan cfg80211_scan_done(vif->scan_req, true); 78614ee6f6bSVasanthakumar Thiagarajan vif->scan_req = NULL; 787bdcd8170SKalle Valo } 788bdcd8170SKalle Valo 789f5938f24SVasanthakumar Thiagarajan if (vif->nw_type & ADHOC_NETWORK) { 790551959d8SVasanthakumar Thiagarajan if (vif->wdev.iftype != NL80211_IFTYPE_ADHOC) { 791bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 792bdcd8170SKalle Valo "%s: ath6k not in ibss mode\n", __func__); 793bdcd8170SKalle Valo return; 794bdcd8170SKalle Valo } 795bdcd8170SKalle Valo memset(bssid, 0, ETH_ALEN); 796240d2799SVasanthakumar Thiagarajan cfg80211_ibss_joined(vif->ndev, bssid, GFP_KERNEL); 797bdcd8170SKalle Valo return; 798bdcd8170SKalle Valo } 799bdcd8170SKalle Valo 800f5938f24SVasanthakumar Thiagarajan if (vif->nw_type & INFRA_NETWORK) { 801551959d8SVasanthakumar Thiagarajan if (vif->wdev.iftype != NL80211_IFTYPE_STATION && 802551959d8SVasanthakumar Thiagarajan vif->wdev.iftype != NL80211_IFTYPE_P2P_CLIENT) { 803bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 804bdcd8170SKalle Valo "%s: ath6k not in station mode\n", __func__); 805bdcd8170SKalle Valo return; 806bdcd8170SKalle Valo } 807bdcd8170SKalle Valo } 808bdcd8170SKalle Valo 8091de547d6SVasanthakumar Thiagarajan /* 8101de547d6SVasanthakumar Thiagarajan * Send a disconnect command to target when a disconnect event is 8111de547d6SVasanthakumar Thiagarajan * received with reason code other than 3 (DISCONNECT_CMD - disconnect 8121de547d6SVasanthakumar Thiagarajan * request from host) to make the firmware stop trying to connect even 8131de547d6SVasanthakumar Thiagarajan * after giving disconnect event. There will be one more disconnect 8141de547d6SVasanthakumar Thiagarajan * event for this disconnect command with reason code DISCONNECT_CMD 8151de547d6SVasanthakumar Thiagarajan * which will be notified to cfg80211. 8161de547d6SVasanthakumar Thiagarajan */ 817bdcd8170SKalle Valo 8181de547d6SVasanthakumar Thiagarajan if (reason != DISCONNECT_CMD) { 819334234b5SVasanthakumar Thiagarajan ath6kl_wmi_disconnect_cmd(ar->wmi, vif->fw_vif_idx); 820bdcd8170SKalle Valo return; 821bdcd8170SKalle Valo } 822bdcd8170SKalle Valo 82359c98449SVasanthakumar Thiagarajan clear_bit(CONNECT_PEND, &vif->flags); 824bdcd8170SKalle Valo 82514ee6f6bSVasanthakumar Thiagarajan if (vif->sme_state == SME_CONNECTING) { 826240d2799SVasanthakumar Thiagarajan cfg80211_connect_result(vif->ndev, 827bdcd8170SKalle Valo bssid, NULL, 0, 828bdcd8170SKalle Valo NULL, 0, 829bdcd8170SKalle Valo WLAN_STATUS_UNSPECIFIED_FAILURE, 830bdcd8170SKalle Valo GFP_KERNEL); 83114ee6f6bSVasanthakumar Thiagarajan } else if (vif->sme_state == SME_CONNECTED) { 832240d2799SVasanthakumar Thiagarajan cfg80211_disconnected(vif->ndev, reason, 833bdcd8170SKalle Valo NULL, 0, GFP_KERNEL); 834bdcd8170SKalle Valo } 835bdcd8170SKalle Valo 83614ee6f6bSVasanthakumar Thiagarajan vif->sme_state = SME_DISCONNECTED; 837bdcd8170SKalle Valo } 838bdcd8170SKalle Valo 839bdcd8170SKalle Valo static int ath6kl_cfg80211_scan(struct wiphy *wiphy, struct net_device *ndev, 840bdcd8170SKalle Valo struct cfg80211_scan_request *request) 841bdcd8170SKalle Valo { 842d6d5c06cSKalle Valo struct ath6kl *ar = ath6kl_priv(ndev); 84359c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(ndev); 8441276c9efSEdward Lu s8 n_channels = 0; 8451276c9efSEdward Lu u16 *channels = NULL; 846bdcd8170SKalle Valo int ret = 0; 847f1f92179SVasanthakumar Thiagarajan u32 force_fg_scan = 0; 848bdcd8170SKalle Valo 849990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 850bdcd8170SKalle Valo return -EIO; 851bdcd8170SKalle Valo 85210509f90SKalle Valo ath6kl_cfg80211_sscan_disable(vif); 85310509f90SKalle Valo 854bdcd8170SKalle Valo if (!ar->usr_bss_filter) { 85559c98449SVasanthakumar Thiagarajan clear_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags); 8561b1e6ee3SJouni Malinen ret = ath6kl_wmi_bssfilter_cmd( 857240d2799SVasanthakumar Thiagarajan ar->wmi, vif->fw_vif_idx, 85859c98449SVasanthakumar Thiagarajan (test_bit(CONNECTED, &vif->flags) ? 8591b1e6ee3SJouni Malinen ALL_BUT_BSS_FILTER : ALL_BSS_FILTER), 0); 8601b1e6ee3SJouni Malinen if (ret) { 861bdcd8170SKalle Valo ath6kl_err("couldn't set bss filtering\n"); 8621b1e6ee3SJouni Malinen return ret; 863bdcd8170SKalle Valo } 864bdcd8170SKalle Valo } 865bdcd8170SKalle Valo 866bdcd8170SKalle Valo if (request->n_ssids && request->ssids[0].ssid_len) { 867bdcd8170SKalle Valo u8 i; 868bdcd8170SKalle Valo 869bdcd8170SKalle Valo if (request->n_ssids > (MAX_PROBED_SSID_INDEX - 1)) 870bdcd8170SKalle Valo request->n_ssids = MAX_PROBED_SSID_INDEX - 1; 871bdcd8170SKalle Valo 872bdcd8170SKalle Valo for (i = 0; i < request->n_ssids; i++) 873334234b5SVasanthakumar Thiagarajan ath6kl_wmi_probedssid_cmd(ar->wmi, vif->fw_vif_idx, 874334234b5SVasanthakumar Thiagarajan i + 1, SPECIFIC_SSID_FLAG, 875bdcd8170SKalle Valo request->ssids[i].ssid_len, 876bdcd8170SKalle Valo request->ssids[i].ssid); 877bdcd8170SKalle Valo } 878bdcd8170SKalle Valo 87910509f90SKalle Valo /* 88010509f90SKalle Valo * FIXME: we should clear the IE in fw if it's not set so just 88110509f90SKalle Valo * remove the check altogether 88210509f90SKalle Valo */ 883b84da8c7SJouni Malinen if (request->ie) { 884334234b5SVasanthakumar Thiagarajan ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, 885334234b5SVasanthakumar Thiagarajan WMI_FRAME_PROBE_REQ, 886b84da8c7SJouni Malinen request->ie, request->ie_len); 887b84da8c7SJouni Malinen if (ret) { 888b84da8c7SJouni Malinen ath6kl_err("failed to set Probe Request appie for " 889b84da8c7SJouni Malinen "scan"); 890b84da8c7SJouni Malinen return ret; 891b84da8c7SJouni Malinen } 892b84da8c7SJouni Malinen } 893b84da8c7SJouni Malinen 89411869befSJouni Malinen /* 89511869befSJouni Malinen * Scan only the requested channels if the request specifies a set of 89611869befSJouni Malinen * channels. If the list is longer than the target supports, do not 89711869befSJouni Malinen * configure the list and instead, scan all available channels. 89811869befSJouni Malinen */ 89911869befSJouni Malinen if (request->n_channels > 0 && 90011869befSJouni Malinen request->n_channels <= WMI_MAX_CHANNELS) { 9011276c9efSEdward Lu u8 i; 9021276c9efSEdward Lu 90311869befSJouni Malinen n_channels = request->n_channels; 9041276c9efSEdward Lu 9051276c9efSEdward Lu channels = kzalloc(n_channels * sizeof(u16), GFP_KERNEL); 9061276c9efSEdward Lu if (channels == NULL) { 9071276c9efSEdward Lu ath6kl_warn("failed to set scan channels, " 9081276c9efSEdward Lu "scan all channels"); 9091276c9efSEdward Lu n_channels = 0; 9101276c9efSEdward Lu } 9111276c9efSEdward Lu 9121276c9efSEdward Lu for (i = 0; i < n_channels; i++) 9131276c9efSEdward Lu channels[i] = request->channels[i]->center_freq; 9141276c9efSEdward Lu } 9151276c9efSEdward Lu 91659c98449SVasanthakumar Thiagarajan if (test_bit(CONNECTED, &vif->flags)) 917f1f92179SVasanthakumar Thiagarajan force_fg_scan = 1; 918f1f92179SVasanthakumar Thiagarajan 9193ca9d1fcSAarthi Thiruvengadam if (test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX, 9203ca9d1fcSAarthi Thiruvengadam ar->fw_capabilities)) { 9213ca9d1fcSAarthi Thiruvengadam /* 9223ca9d1fcSAarthi Thiruvengadam * If capable of doing P2P mgmt operations using 9233ca9d1fcSAarthi Thiruvengadam * station interface, send additional information like 9243ca9d1fcSAarthi Thiruvengadam * supported rates to advertise and xmit rates for 9253ca9d1fcSAarthi Thiruvengadam * probe requests 9263ca9d1fcSAarthi Thiruvengadam */ 9273ca9d1fcSAarthi Thiruvengadam ret = ath6kl_wmi_beginscan_cmd(ar->wmi, vif->fw_vif_idx, 9283ca9d1fcSAarthi Thiruvengadam WMI_LONG_SCAN, force_fg_scan, 9293ca9d1fcSAarthi Thiruvengadam false, 0, 0, n_channels, 9303ca9d1fcSAarthi Thiruvengadam channels, request->no_cck, 9313ca9d1fcSAarthi Thiruvengadam request->rates); 9323ca9d1fcSAarthi Thiruvengadam } else { 9333ca9d1fcSAarthi Thiruvengadam ret = ath6kl_wmi_startscan_cmd(ar->wmi, vif->fw_vif_idx, 9343ca9d1fcSAarthi Thiruvengadam WMI_LONG_SCAN, force_fg_scan, 9353ca9d1fcSAarthi Thiruvengadam false, 0, 0, n_channels, 936334234b5SVasanthakumar Thiagarajan channels); 9373ca9d1fcSAarthi Thiruvengadam } 9381b1e6ee3SJouni Malinen if (ret) 939bdcd8170SKalle Valo ath6kl_err("wmi_startscan_cmd failed\n"); 94011869befSJouni Malinen else 94114ee6f6bSVasanthakumar Thiagarajan vif->scan_req = request; 942bdcd8170SKalle Valo 9431276c9efSEdward Lu kfree(channels); 9441276c9efSEdward Lu 945bdcd8170SKalle Valo return ret; 946bdcd8170SKalle Valo } 947bdcd8170SKalle Valo 9481c17d313SKalle Valo void ath6kl_cfg80211_scan_complete_event(struct ath6kl_vif *vif, bool aborted) 949bdcd8170SKalle Valo { 950240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 9516fd1eaceSKalle Valo int i; 952bdcd8170SKalle Valo 9531c17d313SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: status%s\n", __func__, 9541c17d313SKalle Valo aborted ? " aborted" : ""); 955bdcd8170SKalle Valo 95614ee6f6bSVasanthakumar Thiagarajan if (!vif->scan_req) 9576fd1eaceSKalle Valo return; 9586fd1eaceSKalle Valo 9591c17d313SKalle Valo if (aborted) 9606fd1eaceSKalle Valo goto out; 961bdcd8170SKalle Valo 96214ee6f6bSVasanthakumar Thiagarajan if (vif->scan_req->n_ssids && vif->scan_req->ssids[0].ssid_len) { 96314ee6f6bSVasanthakumar Thiagarajan for (i = 0; i < vif->scan_req->n_ssids; i++) { 964334234b5SVasanthakumar Thiagarajan ath6kl_wmi_probedssid_cmd(ar->wmi, vif->fw_vif_idx, 965334234b5SVasanthakumar Thiagarajan i + 1, DISABLE_SSID_FLAG, 966bdcd8170SKalle Valo 0, NULL); 967bdcd8170SKalle Valo } 968bdcd8170SKalle Valo } 9696fd1eaceSKalle Valo 9706fd1eaceSKalle Valo out: 971cb93821aSKalle Valo cfg80211_scan_done(vif->scan_req, aborted); 97214ee6f6bSVasanthakumar Thiagarajan vif->scan_req = NULL; 973bdcd8170SKalle Valo } 974bdcd8170SKalle Valo 975bdcd8170SKalle Valo static int ath6kl_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev, 976bdcd8170SKalle Valo u8 key_index, bool pairwise, 977bdcd8170SKalle Valo const u8 *mac_addr, 978bdcd8170SKalle Valo struct key_params *params) 979bdcd8170SKalle Valo { 980d6d5c06cSKalle Valo struct ath6kl *ar = ath6kl_priv(ndev); 98159c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(ndev); 982bdcd8170SKalle Valo struct ath6kl_key *key = NULL; 9834a8ce2fdSSujith Manoharan int seq_len; 984bdcd8170SKalle Valo u8 key_usage; 985bdcd8170SKalle Valo u8 key_type; 986bdcd8170SKalle Valo 987990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 988bdcd8170SKalle Valo return -EIO; 989bdcd8170SKalle Valo 990837cb97eSJouni Malinen if (params->cipher == CCKM_KRK_CIPHER_SUITE) { 991837cb97eSJouni Malinen if (params->key_len != WMI_KRK_LEN) 992837cb97eSJouni Malinen return -EINVAL; 993240d2799SVasanthakumar Thiagarajan return ath6kl_wmi_add_krk_cmd(ar->wmi, vif->fw_vif_idx, 994240d2799SVasanthakumar Thiagarajan params->key); 995837cb97eSJouni Malinen } 996837cb97eSJouni Malinen 997792ecb33SVivek Natarajan if (key_index > WMI_MAX_KEY_INDEX) { 998bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 999bdcd8170SKalle Valo "%s: key index %d out of bounds\n", __func__, 1000bdcd8170SKalle Valo key_index); 1001bdcd8170SKalle Valo return -ENOENT; 1002bdcd8170SKalle Valo } 1003bdcd8170SKalle Valo 10046f2a73f9SVasanthakumar Thiagarajan key = &vif->keys[key_index]; 1005bdcd8170SKalle Valo memset(key, 0, sizeof(struct ath6kl_key)); 1006bdcd8170SKalle Valo 1007bdcd8170SKalle Valo if (pairwise) 1008bdcd8170SKalle Valo key_usage = PAIRWISE_USAGE; 1009bdcd8170SKalle Valo else 1010bdcd8170SKalle Valo key_usage = GROUP_USAGE; 1011bdcd8170SKalle Valo 10124a8ce2fdSSujith Manoharan seq_len = params->seq_len; 10135e07021eSDai Shuibing if (params->cipher == WLAN_CIPHER_SUITE_SMS4 && 10145e07021eSDai Shuibing seq_len > ATH6KL_KEY_SEQ_LEN) { 10155e07021eSDai Shuibing /* Only first half of the WPI PN is configured */ 10165e07021eSDai Shuibing seq_len = ATH6KL_KEY_SEQ_LEN; 10175e07021eSDai Shuibing } 1018bdcd8170SKalle Valo if (params->key_len > WLAN_MAX_KEY_LEN || 10195e07021eSDai Shuibing seq_len > sizeof(key->seq)) 1020bdcd8170SKalle Valo return -EINVAL; 1021bdcd8170SKalle Valo 1022bdcd8170SKalle Valo key->key_len = params->key_len; 1023bdcd8170SKalle Valo memcpy(key->key, params->key, key->key_len); 10245e07021eSDai Shuibing key->seq_len = seq_len; 1025bdcd8170SKalle Valo memcpy(key->seq, params->seq, key->seq_len); 1026bdcd8170SKalle Valo key->cipher = params->cipher; 1027bdcd8170SKalle Valo 1028bdcd8170SKalle Valo switch (key->cipher) { 1029bdcd8170SKalle Valo case WLAN_CIPHER_SUITE_WEP40: 1030bdcd8170SKalle Valo case WLAN_CIPHER_SUITE_WEP104: 1031bdcd8170SKalle Valo key_type = WEP_CRYPT; 1032bdcd8170SKalle Valo break; 1033bdcd8170SKalle Valo 1034bdcd8170SKalle Valo case WLAN_CIPHER_SUITE_TKIP: 1035bdcd8170SKalle Valo key_type = TKIP_CRYPT; 1036bdcd8170SKalle Valo break; 1037bdcd8170SKalle Valo 1038bdcd8170SKalle Valo case WLAN_CIPHER_SUITE_CCMP: 1039bdcd8170SKalle Valo key_type = AES_CRYPT; 1040bdcd8170SKalle Valo break; 10415e07021eSDai Shuibing case WLAN_CIPHER_SUITE_SMS4: 10425e07021eSDai Shuibing key_type = WAPI_CRYPT; 10435e07021eSDai Shuibing break; 1044bdcd8170SKalle Valo 1045bdcd8170SKalle Valo default: 1046bdcd8170SKalle Valo return -ENOTSUPP; 1047bdcd8170SKalle Valo } 1048bdcd8170SKalle Valo 10493450334fSVasanthakumar Thiagarajan if (((vif->auth_mode == WPA_PSK_AUTH) 10503450334fSVasanthakumar Thiagarajan || (vif->auth_mode == WPA2_PSK_AUTH)) 1051bdcd8170SKalle Valo && (key_usage & GROUP_USAGE)) 1052de3ad713SVasanthakumar Thiagarajan del_timer(&vif->disconnect_timer); 1053bdcd8170SKalle Valo 1054bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1055bdcd8170SKalle Valo "%s: index %d, key_len %d, key_type 0x%x, key_usage 0x%x, seq_len %d\n", 1056bdcd8170SKalle Valo __func__, key_index, key->key_len, key_type, 1057bdcd8170SKalle Valo key_usage, key->seq_len); 1058bdcd8170SKalle Valo 1059f5938f24SVasanthakumar Thiagarajan if (vif->nw_type == AP_NETWORK && !pairwise && 10604703290aSJouni Malinen (key_type == TKIP_CRYPT || key_type == AES_CRYPT || 10614703290aSJouni Malinen key_type == WAPI_CRYPT) && params) { 10629a5b1318SJouni Malinen ar->ap_mode_bkey.valid = true; 10639a5b1318SJouni Malinen ar->ap_mode_bkey.key_index = key_index; 10649a5b1318SJouni Malinen ar->ap_mode_bkey.key_type = key_type; 10659a5b1318SJouni Malinen ar->ap_mode_bkey.key_len = key->key_len; 10669a5b1318SJouni Malinen memcpy(ar->ap_mode_bkey.key, key->key, key->key_len); 106759c98449SVasanthakumar Thiagarajan if (!test_bit(CONNECTED, &vif->flags)) { 10689a5b1318SJouni Malinen ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "Delay initial group " 10699a5b1318SJouni Malinen "key configuration until AP mode has been " 10709a5b1318SJouni Malinen "started\n"); 10719a5b1318SJouni Malinen /* 10729a5b1318SJouni Malinen * The key will be set in ath6kl_connect_ap_mode() once 10739a5b1318SJouni Malinen * the connected event is received from the target. 10749a5b1318SJouni Malinen */ 10759a5b1318SJouni Malinen return 0; 10769a5b1318SJouni Malinen } 10779a5b1318SJouni Malinen } 10789a5b1318SJouni Malinen 1079f5938f24SVasanthakumar Thiagarajan if (vif->next_mode == AP_NETWORK && key_type == WEP_CRYPT && 108059c98449SVasanthakumar Thiagarajan !test_bit(CONNECTED, &vif->flags)) { 1081151411e8SJouni Malinen /* 1082151411e8SJouni Malinen * Store the key locally so that it can be re-configured after 1083151411e8SJouni Malinen * the AP mode has properly started 1084151411e8SJouni Malinen * (ath6kl_install_statioc_wep_keys). 1085151411e8SJouni Malinen */ 1086151411e8SJouni Malinen ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "Delay WEP key configuration " 1087151411e8SJouni Malinen "until AP mode has been started\n"); 10886f2a73f9SVasanthakumar Thiagarajan vif->wep_key_list[key_index].key_len = key->key_len; 10896f2a73f9SVasanthakumar Thiagarajan memcpy(vif->wep_key_list[key_index].key, key->key, 10906f2a73f9SVasanthakumar Thiagarajan key->key_len); 1091151411e8SJouni Malinen return 0; 1092151411e8SJouni Malinen } 1093151411e8SJouni Malinen 10947cefa44fSVasanthakumar Thiagarajan return ath6kl_wmi_addkey_cmd(ar->wmi, vif->fw_vif_idx, key_index, 1095bdcd8170SKalle Valo key_type, key_usage, key->key_len, 1096f4bb9a6fSJouni Malinen key->seq, key->seq_len, key->key, 1097f4bb9a6fSJouni Malinen KEY_OP_INIT_VAL, 1098bdcd8170SKalle Valo (u8 *) mac_addr, SYNC_BOTH_WMIFLAG); 1099bdcd8170SKalle Valo } 1100bdcd8170SKalle Valo 1101bdcd8170SKalle Valo static int ath6kl_cfg80211_del_key(struct wiphy *wiphy, struct net_device *ndev, 1102bdcd8170SKalle Valo u8 key_index, bool pairwise, 1103bdcd8170SKalle Valo const u8 *mac_addr) 1104bdcd8170SKalle Valo { 1105d6d5c06cSKalle Valo struct ath6kl *ar = ath6kl_priv(ndev); 11066f2a73f9SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(ndev); 1107bdcd8170SKalle Valo 1108bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: index %d\n", __func__, key_index); 1109bdcd8170SKalle Valo 1110990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1111bdcd8170SKalle Valo return -EIO; 1112bdcd8170SKalle Valo 1113792ecb33SVivek Natarajan if (key_index > WMI_MAX_KEY_INDEX) { 1114bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1115bdcd8170SKalle Valo "%s: key index %d out of bounds\n", __func__, 1116bdcd8170SKalle Valo key_index); 1117bdcd8170SKalle Valo return -ENOENT; 1118bdcd8170SKalle Valo } 1119bdcd8170SKalle Valo 11206f2a73f9SVasanthakumar Thiagarajan if (!vif->keys[key_index].key_len) { 1121bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1122bdcd8170SKalle Valo "%s: index %d is empty\n", __func__, key_index); 1123bdcd8170SKalle Valo return 0; 1124bdcd8170SKalle Valo } 1125bdcd8170SKalle Valo 11266f2a73f9SVasanthakumar Thiagarajan vif->keys[key_index].key_len = 0; 1127bdcd8170SKalle Valo 1128334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_deletekey_cmd(ar->wmi, vif->fw_vif_idx, key_index); 1129bdcd8170SKalle Valo } 1130bdcd8170SKalle Valo 1131bdcd8170SKalle Valo static int ath6kl_cfg80211_get_key(struct wiphy *wiphy, struct net_device *ndev, 1132bdcd8170SKalle Valo u8 key_index, bool pairwise, 1133bdcd8170SKalle Valo const u8 *mac_addr, void *cookie, 1134bdcd8170SKalle Valo void (*callback) (void *cookie, 1135bdcd8170SKalle Valo struct key_params *)) 1136bdcd8170SKalle Valo { 11376f2a73f9SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(ndev); 1138bdcd8170SKalle Valo struct ath6kl_key *key = NULL; 1139bdcd8170SKalle Valo struct key_params params; 1140bdcd8170SKalle Valo 1141bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: index %d\n", __func__, key_index); 1142bdcd8170SKalle Valo 1143990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1144bdcd8170SKalle Valo return -EIO; 1145bdcd8170SKalle Valo 1146792ecb33SVivek Natarajan if (key_index > WMI_MAX_KEY_INDEX) { 1147bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1148bdcd8170SKalle Valo "%s: key index %d out of bounds\n", __func__, 1149bdcd8170SKalle Valo key_index); 1150bdcd8170SKalle Valo return -ENOENT; 1151bdcd8170SKalle Valo } 1152bdcd8170SKalle Valo 11536f2a73f9SVasanthakumar Thiagarajan key = &vif->keys[key_index]; 1154bdcd8170SKalle Valo memset(¶ms, 0, sizeof(params)); 1155bdcd8170SKalle Valo params.cipher = key->cipher; 1156bdcd8170SKalle Valo params.key_len = key->key_len; 1157bdcd8170SKalle Valo params.seq_len = key->seq_len; 1158bdcd8170SKalle Valo params.seq = key->seq; 1159bdcd8170SKalle Valo params.key = key->key; 1160bdcd8170SKalle Valo 1161bdcd8170SKalle Valo callback(cookie, ¶ms); 1162bdcd8170SKalle Valo 1163bdcd8170SKalle Valo return key->key_len ? 0 : -ENOENT; 1164bdcd8170SKalle Valo } 1165bdcd8170SKalle Valo 1166bdcd8170SKalle Valo static int ath6kl_cfg80211_set_default_key(struct wiphy *wiphy, 1167bdcd8170SKalle Valo struct net_device *ndev, 1168bdcd8170SKalle Valo u8 key_index, bool unicast, 1169bdcd8170SKalle Valo bool multicast) 1170bdcd8170SKalle Valo { 1171d6d5c06cSKalle Valo struct ath6kl *ar = ath6kl_priv(ndev); 117259c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(ndev); 1173bdcd8170SKalle Valo struct ath6kl_key *key = NULL; 1174bdcd8170SKalle Valo u8 key_usage; 1175229ed6b5SEdward Lu enum crypto_type key_type = NONE_CRYPT; 1176bdcd8170SKalle Valo 1177bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: index %d\n", __func__, key_index); 1178bdcd8170SKalle Valo 1179990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1180bdcd8170SKalle Valo return -EIO; 1181bdcd8170SKalle Valo 1182792ecb33SVivek Natarajan if (key_index > WMI_MAX_KEY_INDEX) { 1183bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1184bdcd8170SKalle Valo "%s: key index %d out of bounds\n", 1185bdcd8170SKalle Valo __func__, key_index); 1186bdcd8170SKalle Valo return -ENOENT; 1187bdcd8170SKalle Valo } 1188bdcd8170SKalle Valo 11896f2a73f9SVasanthakumar Thiagarajan if (!vif->keys[key_index].key_len) { 1190bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: invalid key index %d\n", 1191bdcd8170SKalle Valo __func__, key_index); 1192bdcd8170SKalle Valo return -EINVAL; 1193bdcd8170SKalle Valo } 1194bdcd8170SKalle Valo 11953450334fSVasanthakumar Thiagarajan vif->def_txkey_index = key_index; 11966f2a73f9SVasanthakumar Thiagarajan key = &vif->keys[vif->def_txkey_index]; 1197bdcd8170SKalle Valo key_usage = GROUP_USAGE; 11983450334fSVasanthakumar Thiagarajan if (vif->prwise_crypto == WEP_CRYPT) 1199bdcd8170SKalle Valo key_usage |= TX_USAGE; 1200229ed6b5SEdward Lu if (unicast) 12013450334fSVasanthakumar Thiagarajan key_type = vif->prwise_crypto; 1202229ed6b5SEdward Lu if (multicast) 12033450334fSVasanthakumar Thiagarajan key_type = vif->grp_crypto; 1204bdcd8170SKalle Valo 1205f5938f24SVasanthakumar Thiagarajan if (vif->next_mode == AP_NETWORK && !test_bit(CONNECTED, &vif->flags)) 12069a5b1318SJouni Malinen return 0; /* Delay until AP mode has been started */ 12079a5b1318SJouni Malinen 1208f3e61eceSJouni Malinen return ath6kl_wmi_addkey_cmd(ar->wmi, vif->fw_vif_idx, 1209334234b5SVasanthakumar Thiagarajan vif->def_txkey_index, 1210229ed6b5SEdward Lu key_type, key_usage, 1211f4bb9a6fSJouni Malinen key->key_len, key->seq, key->seq_len, 1212f4bb9a6fSJouni Malinen key->key, 1213bdcd8170SKalle Valo KEY_OP_INIT_VAL, NULL, 1214bdcd8170SKalle Valo SYNC_BOTH_WMIFLAG); 1215bdcd8170SKalle Valo } 1216bdcd8170SKalle Valo 1217240d2799SVasanthakumar Thiagarajan void ath6kl_cfg80211_tkip_micerr_event(struct ath6kl_vif *vif, u8 keyid, 1218bdcd8170SKalle Valo bool ismcast) 1219bdcd8170SKalle Valo { 1220bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1221bdcd8170SKalle Valo "%s: keyid %d, ismcast %d\n", __func__, keyid, ismcast); 1222bdcd8170SKalle Valo 1223240d2799SVasanthakumar Thiagarajan cfg80211_michael_mic_failure(vif->ndev, vif->bssid, 1224bdcd8170SKalle Valo (ismcast ? NL80211_KEYTYPE_GROUP : 1225bdcd8170SKalle Valo NL80211_KEYTYPE_PAIRWISE), keyid, NULL, 1226bdcd8170SKalle Valo GFP_KERNEL); 1227bdcd8170SKalle Valo } 1228bdcd8170SKalle Valo 1229bdcd8170SKalle Valo static int ath6kl_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) 1230bdcd8170SKalle Valo { 1231bdcd8170SKalle Valo struct ath6kl *ar = (struct ath6kl *)wiphy_priv(wiphy); 1232990bd915SVasanthakumar Thiagarajan struct ath6kl_vif *vif; 1233bdcd8170SKalle Valo int ret; 1234bdcd8170SKalle Valo 1235bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: changed 0x%x\n", __func__, 1236bdcd8170SKalle Valo changed); 1237bdcd8170SKalle Valo 1238990bd915SVasanthakumar Thiagarajan vif = ath6kl_vif_first(ar); 1239990bd915SVasanthakumar Thiagarajan if (!vif) 1240990bd915SVasanthakumar Thiagarajan return -EIO; 1241990bd915SVasanthakumar Thiagarajan 1242990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1243bdcd8170SKalle Valo return -EIO; 1244bdcd8170SKalle Valo 1245bdcd8170SKalle Valo if (changed & WIPHY_PARAM_RTS_THRESHOLD) { 1246bdcd8170SKalle Valo ret = ath6kl_wmi_set_rts_cmd(ar->wmi, wiphy->rts_threshold); 1247bdcd8170SKalle Valo if (ret != 0) { 1248bdcd8170SKalle Valo ath6kl_err("ath6kl_wmi_set_rts_cmd failed\n"); 1249bdcd8170SKalle Valo return -EIO; 1250bdcd8170SKalle Valo } 1251bdcd8170SKalle Valo } 1252bdcd8170SKalle Valo 1253bdcd8170SKalle Valo return 0; 1254bdcd8170SKalle Valo } 1255bdcd8170SKalle Valo 1256bdcd8170SKalle Valo /* 1257bdcd8170SKalle Valo * The type nl80211_tx_power_setting replaces the following 1258bdcd8170SKalle Valo * data type from 2.6.36 onwards 1259bdcd8170SKalle Valo */ 1260bdcd8170SKalle Valo static int ath6kl_cfg80211_set_txpower(struct wiphy *wiphy, 1261bdcd8170SKalle Valo enum nl80211_tx_power_setting type, 1262b992a285SLuis R. Rodriguez int mbm) 1263bdcd8170SKalle Valo { 1264bdcd8170SKalle Valo struct ath6kl *ar = (struct ath6kl *)wiphy_priv(wiphy); 1265990bd915SVasanthakumar Thiagarajan struct ath6kl_vif *vif; 1266bdcd8170SKalle Valo u8 ath6kl_dbm; 1267b992a285SLuis R. Rodriguez int dbm = MBM_TO_DBM(mbm); 1268bdcd8170SKalle Valo 1269bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type 0x%x, dbm %d\n", __func__, 1270bdcd8170SKalle Valo type, dbm); 1271bdcd8170SKalle Valo 1272990bd915SVasanthakumar Thiagarajan vif = ath6kl_vif_first(ar); 1273990bd915SVasanthakumar Thiagarajan if (!vif) 1274990bd915SVasanthakumar Thiagarajan return -EIO; 1275990bd915SVasanthakumar Thiagarajan 1276990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1277bdcd8170SKalle Valo return -EIO; 1278bdcd8170SKalle Valo 1279bdcd8170SKalle Valo switch (type) { 1280bdcd8170SKalle Valo case NL80211_TX_POWER_AUTOMATIC: 1281bdcd8170SKalle Valo return 0; 1282bdcd8170SKalle Valo case NL80211_TX_POWER_LIMITED: 1283bdcd8170SKalle Valo ar->tx_pwr = ath6kl_dbm = dbm; 1284bdcd8170SKalle Valo break; 1285bdcd8170SKalle Valo default: 1286bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type 0x%x not supported\n", 1287bdcd8170SKalle Valo __func__, type); 1288bdcd8170SKalle Valo return -EOPNOTSUPP; 1289bdcd8170SKalle Valo } 1290bdcd8170SKalle Valo 1291990bd915SVasanthakumar Thiagarajan ath6kl_wmi_set_tx_pwr_cmd(ar->wmi, vif->fw_vif_idx, ath6kl_dbm); 1292bdcd8170SKalle Valo 1293bdcd8170SKalle Valo return 0; 1294bdcd8170SKalle Valo } 1295bdcd8170SKalle Valo 1296bdcd8170SKalle Valo static int ath6kl_cfg80211_get_txpower(struct wiphy *wiphy, int *dbm) 1297bdcd8170SKalle Valo { 1298bdcd8170SKalle Valo struct ath6kl *ar = (struct ath6kl *)wiphy_priv(wiphy); 1299990bd915SVasanthakumar Thiagarajan struct ath6kl_vif *vif; 1300bdcd8170SKalle Valo 1301990bd915SVasanthakumar Thiagarajan vif = ath6kl_vif_first(ar); 1302990bd915SVasanthakumar Thiagarajan if (!vif) 1303990bd915SVasanthakumar Thiagarajan return -EIO; 1304990bd915SVasanthakumar Thiagarajan 1305990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1306bdcd8170SKalle Valo return -EIO; 1307bdcd8170SKalle Valo 130859c98449SVasanthakumar Thiagarajan if (test_bit(CONNECTED, &vif->flags)) { 1309bdcd8170SKalle Valo ar->tx_pwr = 0; 1310bdcd8170SKalle Valo 1311990bd915SVasanthakumar Thiagarajan if (ath6kl_wmi_get_tx_pwr_cmd(ar->wmi, vif->fw_vif_idx) != 0) { 1312bdcd8170SKalle Valo ath6kl_err("ath6kl_wmi_get_tx_pwr_cmd failed\n"); 1313bdcd8170SKalle Valo return -EIO; 1314bdcd8170SKalle Valo } 1315bdcd8170SKalle Valo 1316bdcd8170SKalle Valo wait_event_interruptible_timeout(ar->event_wq, ar->tx_pwr != 0, 1317bdcd8170SKalle Valo 5 * HZ); 1318bdcd8170SKalle Valo 1319bdcd8170SKalle Valo if (signal_pending(current)) { 1320bdcd8170SKalle Valo ath6kl_err("target did not respond\n"); 1321bdcd8170SKalle Valo return -EINTR; 1322bdcd8170SKalle Valo } 1323bdcd8170SKalle Valo } 1324bdcd8170SKalle Valo 1325bdcd8170SKalle Valo *dbm = ar->tx_pwr; 1326bdcd8170SKalle Valo return 0; 1327bdcd8170SKalle Valo } 1328bdcd8170SKalle Valo 1329bdcd8170SKalle Valo static int ath6kl_cfg80211_set_power_mgmt(struct wiphy *wiphy, 1330bdcd8170SKalle Valo struct net_device *dev, 1331bdcd8170SKalle Valo bool pmgmt, int timeout) 1332bdcd8170SKalle Valo { 1333bdcd8170SKalle Valo struct ath6kl *ar = ath6kl_priv(dev); 1334bdcd8170SKalle Valo struct wmi_power_mode_cmd mode; 1335334234b5SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 1336bdcd8170SKalle Valo 1337bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: pmgmt %d, timeout %d\n", 1338bdcd8170SKalle Valo __func__, pmgmt, timeout); 1339bdcd8170SKalle Valo 1340990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1341bdcd8170SKalle Valo return -EIO; 1342bdcd8170SKalle Valo 1343bdcd8170SKalle Valo if (pmgmt) { 1344bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: max perf\n", __func__); 1345bdcd8170SKalle Valo mode.pwr_mode = REC_POWER; 1346bdcd8170SKalle Valo } else { 1347bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: rec power\n", __func__); 1348bdcd8170SKalle Valo mode.pwr_mode = MAX_PERF_POWER; 1349bdcd8170SKalle Valo } 1350bdcd8170SKalle Valo 1351334234b5SVasanthakumar Thiagarajan if (ath6kl_wmi_powermode_cmd(ar->wmi, vif->fw_vif_idx, 1352334234b5SVasanthakumar Thiagarajan mode.pwr_mode) != 0) { 1353bdcd8170SKalle Valo ath6kl_err("wmi_powermode_cmd failed\n"); 1354bdcd8170SKalle Valo return -EIO; 1355bdcd8170SKalle Valo } 1356bdcd8170SKalle Valo 1357bdcd8170SKalle Valo return 0; 1358bdcd8170SKalle Valo } 1359bdcd8170SKalle Valo 136055055976SVasanthakumar Thiagarajan static struct net_device *ath6kl_cfg80211_add_iface(struct wiphy *wiphy, 136155055976SVasanthakumar Thiagarajan char *name, 136255055976SVasanthakumar Thiagarajan enum nl80211_iftype type, 136355055976SVasanthakumar Thiagarajan u32 *flags, 136455055976SVasanthakumar Thiagarajan struct vif_params *params) 136555055976SVasanthakumar Thiagarajan { 136655055976SVasanthakumar Thiagarajan struct ath6kl *ar = wiphy_priv(wiphy); 136755055976SVasanthakumar Thiagarajan struct net_device *ndev; 136855055976SVasanthakumar Thiagarajan u8 if_idx, nw_type; 136955055976SVasanthakumar Thiagarajan 137071f96ee6SKalle Valo if (ar->num_vif == ar->vif_max) { 137155055976SVasanthakumar Thiagarajan ath6kl_err("Reached maximum number of supported vif\n"); 137255055976SVasanthakumar Thiagarajan return ERR_PTR(-EINVAL); 137355055976SVasanthakumar Thiagarajan } 137455055976SVasanthakumar Thiagarajan 137555055976SVasanthakumar Thiagarajan if (!ath6kl_is_valid_iftype(ar, type, &if_idx, &nw_type)) { 137655055976SVasanthakumar Thiagarajan ath6kl_err("Not a supported interface type\n"); 137755055976SVasanthakumar Thiagarajan return ERR_PTR(-EINVAL); 137855055976SVasanthakumar Thiagarajan } 137955055976SVasanthakumar Thiagarajan 138055055976SVasanthakumar Thiagarajan ndev = ath6kl_interface_add(ar, name, type, if_idx, nw_type); 138155055976SVasanthakumar Thiagarajan if (!ndev) 138255055976SVasanthakumar Thiagarajan return ERR_PTR(-ENOMEM); 138355055976SVasanthakumar Thiagarajan 138455055976SVasanthakumar Thiagarajan ar->num_vif++; 138555055976SVasanthakumar Thiagarajan 138655055976SVasanthakumar Thiagarajan return ndev; 138755055976SVasanthakumar Thiagarajan } 138855055976SVasanthakumar Thiagarajan 138955055976SVasanthakumar Thiagarajan static int ath6kl_cfg80211_del_iface(struct wiphy *wiphy, 139055055976SVasanthakumar Thiagarajan struct net_device *ndev) 139155055976SVasanthakumar Thiagarajan { 139255055976SVasanthakumar Thiagarajan struct ath6kl *ar = wiphy_priv(wiphy); 139355055976SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(ndev); 139455055976SVasanthakumar Thiagarajan 139511f6e40dSVasanthakumar Thiagarajan spin_lock_bh(&ar->list_lock); 139655055976SVasanthakumar Thiagarajan list_del(&vif->list); 139711f6e40dSVasanthakumar Thiagarajan spin_unlock_bh(&ar->list_lock); 139855055976SVasanthakumar Thiagarajan 139955055976SVasanthakumar Thiagarajan ath6kl_cleanup_vif(vif, test_bit(WMI_READY, &ar->flag)); 140055055976SVasanthakumar Thiagarajan 1401c25889e8SKalle Valo ath6kl_cfg80211_vif_cleanup(vif); 140255055976SVasanthakumar Thiagarajan 140355055976SVasanthakumar Thiagarajan return 0; 140455055976SVasanthakumar Thiagarajan } 140555055976SVasanthakumar Thiagarajan 1406bdcd8170SKalle Valo static int ath6kl_cfg80211_change_iface(struct wiphy *wiphy, 1407bdcd8170SKalle Valo struct net_device *ndev, 1408bdcd8170SKalle Valo enum nl80211_iftype type, u32 *flags, 1409bdcd8170SKalle Valo struct vif_params *params) 1410bdcd8170SKalle Valo { 1411f5938f24SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(ndev); 1412bdcd8170SKalle Valo 1413bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type %u\n", __func__, type); 1414bdcd8170SKalle Valo 1415bdcd8170SKalle Valo switch (type) { 1416bdcd8170SKalle Valo case NL80211_IFTYPE_STATION: 1417f5938f24SVasanthakumar Thiagarajan vif->next_mode = INFRA_NETWORK; 1418bdcd8170SKalle Valo break; 1419bdcd8170SKalle Valo case NL80211_IFTYPE_ADHOC: 1420f5938f24SVasanthakumar Thiagarajan vif->next_mode = ADHOC_NETWORK; 1421bdcd8170SKalle Valo break; 14226e4604c8SJouni Malinen case NL80211_IFTYPE_AP: 1423f5938f24SVasanthakumar Thiagarajan vif->next_mode = AP_NETWORK; 14246e4604c8SJouni Malinen break; 14256b5e5d25SJouni Malinen case NL80211_IFTYPE_P2P_CLIENT: 1426f5938f24SVasanthakumar Thiagarajan vif->next_mode = INFRA_NETWORK; 14276b5e5d25SJouni Malinen break; 14286b5e5d25SJouni Malinen case NL80211_IFTYPE_P2P_GO: 1429f5938f24SVasanthakumar Thiagarajan vif->next_mode = AP_NETWORK; 14306b5e5d25SJouni Malinen break; 1431bdcd8170SKalle Valo default: 1432bdcd8170SKalle Valo ath6kl_err("invalid interface type %u\n", type); 1433bdcd8170SKalle Valo return -EOPNOTSUPP; 1434bdcd8170SKalle Valo } 1435bdcd8170SKalle Valo 1436551959d8SVasanthakumar Thiagarajan vif->wdev.iftype = type; 1437bdcd8170SKalle Valo 1438bdcd8170SKalle Valo return 0; 1439bdcd8170SKalle Valo } 1440bdcd8170SKalle Valo 1441bdcd8170SKalle Valo static int ath6kl_cfg80211_join_ibss(struct wiphy *wiphy, 1442bdcd8170SKalle Valo struct net_device *dev, 1443bdcd8170SKalle Valo struct cfg80211_ibss_params *ibss_param) 1444bdcd8170SKalle Valo { 1445bdcd8170SKalle Valo struct ath6kl *ar = ath6kl_priv(dev); 144659c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 1447bdcd8170SKalle Valo int status; 1448bdcd8170SKalle Valo 1449990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1450bdcd8170SKalle Valo return -EIO; 1451bdcd8170SKalle Valo 14523450334fSVasanthakumar Thiagarajan vif->ssid_len = ibss_param->ssid_len; 14533450334fSVasanthakumar Thiagarajan memcpy(vif->ssid, ibss_param->ssid, vif->ssid_len); 1454bdcd8170SKalle Valo 1455bdcd8170SKalle Valo if (ibss_param->channel) 1456f74bac54SVasanthakumar Thiagarajan vif->ch_hint = ibss_param->channel->center_freq; 1457bdcd8170SKalle Valo 1458bdcd8170SKalle Valo if (ibss_param->channel_fixed) { 1459bdcd8170SKalle Valo /* 1460bdcd8170SKalle Valo * TODO: channel_fixed: The channel should be fixed, do not 1461bdcd8170SKalle Valo * search for IBSSs to join on other channels. Target 1462bdcd8170SKalle Valo * firmware does not support this feature, needs to be 1463bdcd8170SKalle Valo * updated. 1464bdcd8170SKalle Valo */ 1465bdcd8170SKalle Valo return -EOPNOTSUPP; 1466bdcd8170SKalle Valo } 1467bdcd8170SKalle Valo 14688c8b65e3SVasanthakumar Thiagarajan memset(vif->req_bssid, 0, sizeof(vif->req_bssid)); 1469bdcd8170SKalle Valo if (ibss_param->bssid && !is_broadcast_ether_addr(ibss_param->bssid)) 14708c8b65e3SVasanthakumar Thiagarajan memcpy(vif->req_bssid, ibss_param->bssid, 14718c8b65e3SVasanthakumar Thiagarajan sizeof(vif->req_bssid)); 1472bdcd8170SKalle Valo 1473240d2799SVasanthakumar Thiagarajan ath6kl_set_wpa_version(vif, 0); 1474bdcd8170SKalle Valo 1475240d2799SVasanthakumar Thiagarajan status = ath6kl_set_auth_type(vif, NL80211_AUTHTYPE_OPEN_SYSTEM); 1476bdcd8170SKalle Valo if (status) 1477bdcd8170SKalle Valo return status; 1478bdcd8170SKalle Valo 1479bdcd8170SKalle Valo if (ibss_param->privacy) { 1480240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, WLAN_CIPHER_SUITE_WEP40, true); 1481240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, WLAN_CIPHER_SUITE_WEP40, false); 1482bdcd8170SKalle Valo } else { 1483240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, 0, true); 1484240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, 0, false); 1485bdcd8170SKalle Valo } 1486bdcd8170SKalle Valo 1487f5938f24SVasanthakumar Thiagarajan vif->nw_type = vif->next_mode; 1488bdcd8170SKalle Valo 1489bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1490bdcd8170SKalle Valo "%s: connect called with authmode %d dot11 auth %d" 1491bdcd8170SKalle Valo " PW crypto %d PW crypto len %d GRP crypto %d" 1492bdcd8170SKalle Valo " GRP crypto len %d channel hint %u\n", 1493bdcd8170SKalle Valo __func__, 14943450334fSVasanthakumar Thiagarajan vif->auth_mode, vif->dot11_auth_mode, vif->prwise_crypto, 14953450334fSVasanthakumar Thiagarajan vif->prwise_crypto_len, vif->grp_crypto, 1496f74bac54SVasanthakumar Thiagarajan vif->grp_crypto_len, vif->ch_hint); 1497bdcd8170SKalle Valo 1498334234b5SVasanthakumar Thiagarajan status = ath6kl_wmi_connect_cmd(ar->wmi, vif->fw_vif_idx, vif->nw_type, 14993450334fSVasanthakumar Thiagarajan vif->dot11_auth_mode, vif->auth_mode, 15003450334fSVasanthakumar Thiagarajan vif->prwise_crypto, 15013450334fSVasanthakumar Thiagarajan vif->prwise_crypto_len, 15023450334fSVasanthakumar Thiagarajan vif->grp_crypto, vif->grp_crypto_len, 15033450334fSVasanthakumar Thiagarajan vif->ssid_len, vif->ssid, 1504f74bac54SVasanthakumar Thiagarajan vif->req_bssid, vif->ch_hint, 15053ca9d1fcSAarthi Thiruvengadam ar->connect_ctrl_flags, SUBTYPE_NONE); 150659c98449SVasanthakumar Thiagarajan set_bit(CONNECT_PEND, &vif->flags); 1507bdcd8170SKalle Valo 1508bdcd8170SKalle Valo return 0; 1509bdcd8170SKalle Valo } 1510bdcd8170SKalle Valo 1511bdcd8170SKalle Valo static int ath6kl_cfg80211_leave_ibss(struct wiphy *wiphy, 1512bdcd8170SKalle Valo struct net_device *dev) 1513bdcd8170SKalle Valo { 15143450334fSVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 1515bdcd8170SKalle Valo 1516990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1517bdcd8170SKalle Valo return -EIO; 1518bdcd8170SKalle Valo 1519240d2799SVasanthakumar Thiagarajan ath6kl_disconnect(vif); 15203450334fSVasanthakumar Thiagarajan memset(vif->ssid, 0, sizeof(vif->ssid)); 15213450334fSVasanthakumar Thiagarajan vif->ssid_len = 0; 1522bdcd8170SKalle Valo 1523bdcd8170SKalle Valo return 0; 1524bdcd8170SKalle Valo } 1525bdcd8170SKalle Valo 1526bdcd8170SKalle Valo static const u32 cipher_suites[] = { 1527bdcd8170SKalle Valo WLAN_CIPHER_SUITE_WEP40, 1528bdcd8170SKalle Valo WLAN_CIPHER_SUITE_WEP104, 1529bdcd8170SKalle Valo WLAN_CIPHER_SUITE_TKIP, 1530bdcd8170SKalle Valo WLAN_CIPHER_SUITE_CCMP, 1531837cb97eSJouni Malinen CCKM_KRK_CIPHER_SUITE, 15325e07021eSDai Shuibing WLAN_CIPHER_SUITE_SMS4, 1533bdcd8170SKalle Valo }; 1534bdcd8170SKalle Valo 1535bdcd8170SKalle Valo static bool is_rate_legacy(s32 rate) 1536bdcd8170SKalle Valo { 1537bdcd8170SKalle Valo static const s32 legacy[] = { 1000, 2000, 5500, 11000, 1538bdcd8170SKalle Valo 6000, 9000, 12000, 18000, 24000, 1539bdcd8170SKalle Valo 36000, 48000, 54000 1540bdcd8170SKalle Valo }; 1541bdcd8170SKalle Valo u8 i; 1542bdcd8170SKalle Valo 1543bdcd8170SKalle Valo for (i = 0; i < ARRAY_SIZE(legacy); i++) 1544bdcd8170SKalle Valo if (rate == legacy[i]) 1545bdcd8170SKalle Valo return true; 1546bdcd8170SKalle Valo 1547bdcd8170SKalle Valo return false; 1548bdcd8170SKalle Valo } 1549bdcd8170SKalle Valo 1550bdcd8170SKalle Valo static bool is_rate_ht20(s32 rate, u8 *mcs, bool *sgi) 1551bdcd8170SKalle Valo { 1552bdcd8170SKalle Valo static const s32 ht20[] = { 6500, 13000, 19500, 26000, 39000, 1553bdcd8170SKalle Valo 52000, 58500, 65000, 72200 1554bdcd8170SKalle Valo }; 1555bdcd8170SKalle Valo u8 i; 1556bdcd8170SKalle Valo 1557bdcd8170SKalle Valo for (i = 0; i < ARRAY_SIZE(ht20); i++) { 1558bdcd8170SKalle Valo if (rate == ht20[i]) { 1559bdcd8170SKalle Valo if (i == ARRAY_SIZE(ht20) - 1) 1560bdcd8170SKalle Valo /* last rate uses sgi */ 1561bdcd8170SKalle Valo *sgi = true; 1562bdcd8170SKalle Valo else 1563bdcd8170SKalle Valo *sgi = false; 1564bdcd8170SKalle Valo 1565bdcd8170SKalle Valo *mcs = i; 1566bdcd8170SKalle Valo return true; 1567bdcd8170SKalle Valo } 1568bdcd8170SKalle Valo } 1569bdcd8170SKalle Valo return false; 1570bdcd8170SKalle Valo } 1571bdcd8170SKalle Valo 1572bdcd8170SKalle Valo static bool is_rate_ht40(s32 rate, u8 *mcs, bool *sgi) 1573bdcd8170SKalle Valo { 1574bdcd8170SKalle Valo static const s32 ht40[] = { 13500, 27000, 40500, 54000, 1575bdcd8170SKalle Valo 81000, 108000, 121500, 135000, 1576bdcd8170SKalle Valo 150000 1577bdcd8170SKalle Valo }; 1578bdcd8170SKalle Valo u8 i; 1579bdcd8170SKalle Valo 1580bdcd8170SKalle Valo for (i = 0; i < ARRAY_SIZE(ht40); i++) { 1581bdcd8170SKalle Valo if (rate == ht40[i]) { 1582bdcd8170SKalle Valo if (i == ARRAY_SIZE(ht40) - 1) 1583bdcd8170SKalle Valo /* last rate uses sgi */ 1584bdcd8170SKalle Valo *sgi = true; 1585bdcd8170SKalle Valo else 1586bdcd8170SKalle Valo *sgi = false; 1587bdcd8170SKalle Valo 1588bdcd8170SKalle Valo *mcs = i; 1589bdcd8170SKalle Valo return true; 1590bdcd8170SKalle Valo } 1591bdcd8170SKalle Valo } 1592bdcd8170SKalle Valo 1593bdcd8170SKalle Valo return false; 1594bdcd8170SKalle Valo } 1595bdcd8170SKalle Valo 1596bdcd8170SKalle Valo static int ath6kl_get_station(struct wiphy *wiphy, struct net_device *dev, 1597bdcd8170SKalle Valo u8 *mac, struct station_info *sinfo) 1598bdcd8170SKalle Valo { 1599bdcd8170SKalle Valo struct ath6kl *ar = ath6kl_priv(dev); 160059c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 1601bdcd8170SKalle Valo long left; 1602bdcd8170SKalle Valo bool sgi; 1603bdcd8170SKalle Valo s32 rate; 1604bdcd8170SKalle Valo int ret; 1605bdcd8170SKalle Valo u8 mcs; 1606bdcd8170SKalle Valo 16078c8b65e3SVasanthakumar Thiagarajan if (memcmp(mac, vif->bssid, ETH_ALEN) != 0) 1608bdcd8170SKalle Valo return -ENOENT; 1609bdcd8170SKalle Valo 1610bdcd8170SKalle Valo if (down_interruptible(&ar->sem)) 1611bdcd8170SKalle Valo return -EBUSY; 1612bdcd8170SKalle Valo 1613b95907a7SVasanthakumar Thiagarajan set_bit(STATS_UPDATE_PEND, &vif->flags); 1614bdcd8170SKalle Valo 1615334234b5SVasanthakumar Thiagarajan ret = ath6kl_wmi_get_stats_cmd(ar->wmi, vif->fw_vif_idx); 1616bdcd8170SKalle Valo 1617bdcd8170SKalle Valo if (ret != 0) { 1618bdcd8170SKalle Valo up(&ar->sem); 1619bdcd8170SKalle Valo return -EIO; 1620bdcd8170SKalle Valo } 1621bdcd8170SKalle Valo 1622bdcd8170SKalle Valo left = wait_event_interruptible_timeout(ar->event_wq, 1623bdcd8170SKalle Valo !test_bit(STATS_UPDATE_PEND, 1624b95907a7SVasanthakumar Thiagarajan &vif->flags), 1625bdcd8170SKalle Valo WMI_TIMEOUT); 1626bdcd8170SKalle Valo 1627bdcd8170SKalle Valo up(&ar->sem); 1628bdcd8170SKalle Valo 1629bdcd8170SKalle Valo if (left == 0) 1630bdcd8170SKalle Valo return -ETIMEDOUT; 1631bdcd8170SKalle Valo else if (left < 0) 1632bdcd8170SKalle Valo return left; 1633bdcd8170SKalle Valo 1634b95907a7SVasanthakumar Thiagarajan if (vif->target_stats.rx_byte) { 1635b95907a7SVasanthakumar Thiagarajan sinfo->rx_bytes = vif->target_stats.rx_byte; 1636bdcd8170SKalle Valo sinfo->filled |= STATION_INFO_RX_BYTES; 1637b95907a7SVasanthakumar Thiagarajan sinfo->rx_packets = vif->target_stats.rx_pkt; 1638bdcd8170SKalle Valo sinfo->filled |= STATION_INFO_RX_PACKETS; 1639bdcd8170SKalle Valo } 1640bdcd8170SKalle Valo 1641b95907a7SVasanthakumar Thiagarajan if (vif->target_stats.tx_byte) { 1642b95907a7SVasanthakumar Thiagarajan sinfo->tx_bytes = vif->target_stats.tx_byte; 1643bdcd8170SKalle Valo sinfo->filled |= STATION_INFO_TX_BYTES; 1644b95907a7SVasanthakumar Thiagarajan sinfo->tx_packets = vif->target_stats.tx_pkt; 1645bdcd8170SKalle Valo sinfo->filled |= STATION_INFO_TX_PACKETS; 1646bdcd8170SKalle Valo } 1647bdcd8170SKalle Valo 1648b95907a7SVasanthakumar Thiagarajan sinfo->signal = vif->target_stats.cs_rssi; 1649bdcd8170SKalle Valo sinfo->filled |= STATION_INFO_SIGNAL; 1650bdcd8170SKalle Valo 1651b95907a7SVasanthakumar Thiagarajan rate = vif->target_stats.tx_ucast_rate; 1652bdcd8170SKalle Valo 1653bdcd8170SKalle Valo if (is_rate_legacy(rate)) { 1654bdcd8170SKalle Valo sinfo->txrate.legacy = rate / 100; 1655bdcd8170SKalle Valo } else if (is_rate_ht20(rate, &mcs, &sgi)) { 1656bdcd8170SKalle Valo if (sgi) { 1657bdcd8170SKalle Valo sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI; 1658bdcd8170SKalle Valo sinfo->txrate.mcs = mcs - 1; 1659bdcd8170SKalle Valo } else { 1660bdcd8170SKalle Valo sinfo->txrate.mcs = mcs; 1661bdcd8170SKalle Valo } 1662bdcd8170SKalle Valo 1663bdcd8170SKalle Valo sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS; 1664bdcd8170SKalle Valo } else if (is_rate_ht40(rate, &mcs, &sgi)) { 1665bdcd8170SKalle Valo if (sgi) { 1666bdcd8170SKalle Valo sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI; 1667bdcd8170SKalle Valo sinfo->txrate.mcs = mcs - 1; 1668bdcd8170SKalle Valo } else { 1669bdcd8170SKalle Valo sinfo->txrate.mcs = mcs; 1670bdcd8170SKalle Valo } 1671bdcd8170SKalle Valo 1672bdcd8170SKalle Valo sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH; 1673bdcd8170SKalle Valo sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS; 1674bdcd8170SKalle Valo } else { 16759a730834SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 16769a730834SKalle Valo "invalid rate from stats: %d\n", rate); 16779a730834SKalle Valo ath6kl_debug_war(ar, ATH6KL_WAR_INVALID_RATE); 1678bdcd8170SKalle Valo return 0; 1679bdcd8170SKalle Valo } 1680bdcd8170SKalle Valo 1681bdcd8170SKalle Valo sinfo->filled |= STATION_INFO_TX_BITRATE; 1682bdcd8170SKalle Valo 168359c98449SVasanthakumar Thiagarajan if (test_bit(CONNECTED, &vif->flags) && 168459c98449SVasanthakumar Thiagarajan test_bit(DTIM_PERIOD_AVAIL, &vif->flags) && 1685f5938f24SVasanthakumar Thiagarajan vif->nw_type == INFRA_NETWORK) { 168632c10874SJouni Malinen sinfo->filled |= STATION_INFO_BSS_PARAM; 168732c10874SJouni Malinen sinfo->bss_param.flags = 0; 1688cf5333d7SVasanthakumar Thiagarajan sinfo->bss_param.dtim_period = vif->assoc_bss_dtim_period; 1689cf5333d7SVasanthakumar Thiagarajan sinfo->bss_param.beacon_interval = vif->assoc_bss_beacon_int; 169032c10874SJouni Malinen } 169132c10874SJouni Malinen 1692bdcd8170SKalle Valo return 0; 1693bdcd8170SKalle Valo } 1694bdcd8170SKalle Valo 1695bdcd8170SKalle Valo static int ath6kl_set_pmksa(struct wiphy *wiphy, struct net_device *netdev, 1696bdcd8170SKalle Valo struct cfg80211_pmksa *pmksa) 1697bdcd8170SKalle Valo { 1698bdcd8170SKalle Valo struct ath6kl *ar = ath6kl_priv(netdev); 1699334234b5SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(netdev); 1700334234b5SVasanthakumar Thiagarajan 1701334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_setpmkid_cmd(ar->wmi, vif->fw_vif_idx, pmksa->bssid, 1702bdcd8170SKalle Valo pmksa->pmkid, true); 1703bdcd8170SKalle Valo } 1704bdcd8170SKalle Valo 1705bdcd8170SKalle Valo static int ath6kl_del_pmksa(struct wiphy *wiphy, struct net_device *netdev, 1706bdcd8170SKalle Valo struct cfg80211_pmksa *pmksa) 1707bdcd8170SKalle Valo { 1708bdcd8170SKalle Valo struct ath6kl *ar = ath6kl_priv(netdev); 1709334234b5SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(netdev); 1710334234b5SVasanthakumar Thiagarajan 1711334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_setpmkid_cmd(ar->wmi, vif->fw_vif_idx, pmksa->bssid, 1712bdcd8170SKalle Valo pmksa->pmkid, false); 1713bdcd8170SKalle Valo } 1714bdcd8170SKalle Valo 1715bdcd8170SKalle Valo static int ath6kl_flush_pmksa(struct wiphy *wiphy, struct net_device *netdev) 1716bdcd8170SKalle Valo { 1717bdcd8170SKalle Valo struct ath6kl *ar = ath6kl_priv(netdev); 171859c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(netdev); 171959c98449SVasanthakumar Thiagarajan 172059c98449SVasanthakumar Thiagarajan if (test_bit(CONNECTED, &vif->flags)) 1721334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_setpmkid_cmd(ar->wmi, vif->fw_vif_idx, 1722334234b5SVasanthakumar Thiagarajan vif->bssid, NULL, false); 1723bdcd8170SKalle Valo return 0; 1724bdcd8170SKalle Valo } 1725bdcd8170SKalle Valo 1726d91e8eeeSRaja Mani static int ath6kl_wow_usr(struct ath6kl *ar, struct ath6kl_vif *vif, 1727d91e8eeeSRaja Mani struct cfg80211_wowlan *wow, u32 *filter) 17286cb3c714SRaja Mani { 1729d91e8eeeSRaja Mani int ret, pos; 1730d91e8eeeSRaja Mani u8 mask[WOW_MASK_SIZE]; 17316cb3c714SRaja Mani u16 i; 17326cb3c714SRaja Mani 1733d91e8eeeSRaja Mani /* Configure the patterns that we received from the user. */ 17346cb3c714SRaja Mani for (i = 0; i < wow->n_patterns; i++) { 17356cb3c714SRaja Mani 17366cb3c714SRaja Mani /* 17376cb3c714SRaja Mani * Convert given nl80211 specific mask value to equivalent 17386cb3c714SRaja Mani * driver specific mask value and send it to the chip along 17396cb3c714SRaja Mani * with patterns. For example, If the mask value defined in 17406cb3c714SRaja Mani * struct cfg80211_wowlan is 0xA (equivalent binary is 1010), 17416cb3c714SRaja Mani * then equivalent driver specific mask value is 17426cb3c714SRaja Mani * "0xFF 0x00 0xFF 0x00". 17436cb3c714SRaja Mani */ 17446cb3c714SRaja Mani memset(&mask, 0, sizeof(mask)); 17456cb3c714SRaja Mani for (pos = 0; pos < wow->patterns[i].pattern_len; pos++) { 17466cb3c714SRaja Mani if (wow->patterns[i].mask[pos / 8] & (0x1 << (pos % 8))) 17476cb3c714SRaja Mani mask[pos] = 0xFF; 17486cb3c714SRaja Mani } 17496cb3c714SRaja Mani /* 17506cb3c714SRaja Mani * Note: Pattern's offset is not passed as part of wowlan 17516cb3c714SRaja Mani * parameter from CFG layer. So it's always passed as ZERO 17526cb3c714SRaja Mani * to the firmware. It means, given WOW patterns are always 17536cb3c714SRaja Mani * matched from the first byte of received pkt in the firmware. 17546cb3c714SRaja Mani */ 17556cb3c714SRaja Mani ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, 17566cb3c714SRaja Mani vif->fw_vif_idx, WOW_LIST_ID, 17576cb3c714SRaja Mani wow->patterns[i].pattern_len, 17586cb3c714SRaja Mani 0 /* pattern offset */, 17596cb3c714SRaja Mani wow->patterns[i].pattern, mask); 17606cb3c714SRaja Mani if (ret) 17616cb3c714SRaja Mani return ret; 17626cb3c714SRaja Mani } 17636cb3c714SRaja Mani 1764d91e8eeeSRaja Mani if (wow->disconnect) 1765d91e8eeeSRaja Mani *filter |= WOW_FILTER_OPTION_NWK_DISASSOC; 1766d91e8eeeSRaja Mani 1767d91e8eeeSRaja Mani if (wow->magic_pkt) 1768d91e8eeeSRaja Mani *filter |= WOW_FILTER_OPTION_MAGIC_PACKET; 1769d91e8eeeSRaja Mani 1770d91e8eeeSRaja Mani if (wow->gtk_rekey_failure) 1771d91e8eeeSRaja Mani *filter |= WOW_FILTER_OPTION_GTK_ERROR; 1772d91e8eeeSRaja Mani 1773d91e8eeeSRaja Mani if (wow->eap_identity_req) 1774d91e8eeeSRaja Mani *filter |= WOW_FILTER_OPTION_EAP_REQ; 1775d91e8eeeSRaja Mani 1776d91e8eeeSRaja Mani if (wow->four_way_handshake) 1777d91e8eeeSRaja Mani *filter |= WOW_FILTER_OPTION_8021X_4WAYHS; 1778d91e8eeeSRaja Mani 1779d91e8eeeSRaja Mani return 0; 1780d91e8eeeSRaja Mani } 1781d91e8eeeSRaja Mani 1782d91e8eeeSRaja Mani static int ath6kl_wow_ap(struct ath6kl *ar, struct ath6kl_vif *vif) 1783d91e8eeeSRaja Mani { 1784d91e8eeeSRaja Mani static const u8 unicst_pattern[] = { 0x00, 0x00, 0x00, 1785d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1786d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1787d91e8eeeSRaja Mani 0x00, 0x08 }; 1788d91e8eeeSRaja Mani static const u8 unicst_mask[] = { 0x01, 0x00, 0x00, 1789d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1790d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1791d91e8eeeSRaja Mani 0x00, 0x7f }; 1792d91e8eeeSRaja Mani u8 unicst_offset = 0; 1793d91e8eeeSRaja Mani static const u8 arp_pattern[] = { 0x08, 0x06 }; 1794d91e8eeeSRaja Mani static const u8 arp_mask[] = { 0xff, 0xff }; 1795d91e8eeeSRaja Mani u8 arp_offset = 20; 1796d91e8eeeSRaja Mani static const u8 discvr_pattern[] = { 0xe0, 0x00, 0x00, 0xf8 }; 1797d91e8eeeSRaja Mani static const u8 discvr_mask[] = { 0xf0, 0x00, 0x00, 0xf8 }; 1798d91e8eeeSRaja Mani u8 discvr_offset = 38; 1799d91e8eeeSRaja Mani static const u8 dhcp_pattern[] = { 0xff, 0xff, 0xff, 0xff, 1800d91e8eeeSRaja Mani 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1801d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 1802d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1803d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1804d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x43 /* port 67 */ }; 1805d91e8eeeSRaja Mani static const u8 dhcp_mask[] = { 0xff, 0xff, 0xff, 0xff, 1806d91e8eeeSRaja Mani 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1807d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 1808d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1809d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1810d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0xff, 0xff /* port 67 */ }; 1811d91e8eeeSRaja Mani u8 dhcp_offset = 0; 1812d91e8eeeSRaja Mani int ret; 1813d91e8eeeSRaja Mani 1814d91e8eeeSRaja Mani /* Setup unicast IP, EAPOL-like and ARP pkt pattern */ 1815d91e8eeeSRaja Mani ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, 1816d91e8eeeSRaja Mani vif->fw_vif_idx, WOW_LIST_ID, 1817d91e8eeeSRaja Mani sizeof(unicst_pattern), unicst_offset, 1818d91e8eeeSRaja Mani unicst_pattern, unicst_mask); 1819d91e8eeeSRaja Mani if (ret) { 1820d91e8eeeSRaja Mani ath6kl_err("failed to add WOW unicast IP pattern\n"); 1821d91e8eeeSRaja Mani return ret; 1822d91e8eeeSRaja Mani } 1823d91e8eeeSRaja Mani 1824d91e8eeeSRaja Mani /* Setup all ARP pkt pattern */ 1825d91e8eeeSRaja Mani ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, 1826d91e8eeeSRaja Mani vif->fw_vif_idx, WOW_LIST_ID, 1827d91e8eeeSRaja Mani sizeof(arp_pattern), arp_offset, 1828d91e8eeeSRaja Mani arp_pattern, arp_mask); 1829d91e8eeeSRaja Mani if (ret) { 1830d91e8eeeSRaja Mani ath6kl_err("failed to add WOW ARP pattern\n"); 1831d91e8eeeSRaja Mani return ret; 1832d91e8eeeSRaja Mani } 1833d91e8eeeSRaja Mani 1834d91e8eeeSRaja Mani /* 1835d91e8eeeSRaja Mani * Setup multicast pattern for mDNS 224.0.0.251, 1836d91e8eeeSRaja Mani * SSDP 239.255.255.250 and LLMNR 224.0.0.252 1837d91e8eeeSRaja Mani */ 1838d91e8eeeSRaja Mani ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, 1839d91e8eeeSRaja Mani vif->fw_vif_idx, WOW_LIST_ID, 1840d91e8eeeSRaja Mani sizeof(discvr_pattern), discvr_offset, 1841d91e8eeeSRaja Mani discvr_pattern, discvr_mask); 1842d91e8eeeSRaja Mani if (ret) { 1843d91e8eeeSRaja Mani ath6kl_err("failed to add WOW mDNS/SSDP/LLMNR pattern\n"); 1844d91e8eeeSRaja Mani return ret; 1845d91e8eeeSRaja Mani } 1846d91e8eeeSRaja Mani 1847d91e8eeeSRaja Mani /* Setup all DHCP broadcast pkt pattern */ 1848d91e8eeeSRaja Mani ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, 1849d91e8eeeSRaja Mani vif->fw_vif_idx, WOW_LIST_ID, 1850d91e8eeeSRaja Mani sizeof(dhcp_pattern), dhcp_offset, 1851d91e8eeeSRaja Mani dhcp_pattern, dhcp_mask); 1852d91e8eeeSRaja Mani if (ret) { 1853d91e8eeeSRaja Mani ath6kl_err("failed to add WOW DHCP broadcast pattern\n"); 1854d91e8eeeSRaja Mani return ret; 1855d91e8eeeSRaja Mani } 1856d91e8eeeSRaja Mani 1857d91e8eeeSRaja Mani return 0; 1858d91e8eeeSRaja Mani } 1859d91e8eeeSRaja Mani 1860d91e8eeeSRaja Mani static int ath6kl_wow_sta(struct ath6kl *ar, struct ath6kl_vif *vif) 1861d91e8eeeSRaja Mani { 1862d91e8eeeSRaja Mani struct net_device *ndev = vif->ndev; 1863d91e8eeeSRaja Mani static const u8 discvr_pattern[] = { 0xe0, 0x00, 0x00, 0xf8 }; 1864d91e8eeeSRaja Mani static const u8 discvr_mask[] = { 0xf0, 0x00, 0x00, 0xf8 }; 1865d91e8eeeSRaja Mani u8 discvr_offset = 38; 1866d91e8eeeSRaja Mani u8 mac_mask[ETH_ALEN]; 1867d91e8eeeSRaja Mani int ret; 1868d91e8eeeSRaja Mani 1869d91e8eeeSRaja Mani /* Setup unicast pkt pattern */ 1870d91e8eeeSRaja Mani memset(mac_mask, 0xff, ETH_ALEN); 1871d91e8eeeSRaja Mani ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, 1872d91e8eeeSRaja Mani vif->fw_vif_idx, WOW_LIST_ID, 1873d91e8eeeSRaja Mani ETH_ALEN, 0, ndev->dev_addr, 1874d91e8eeeSRaja Mani mac_mask); 1875d91e8eeeSRaja Mani if (ret) { 1876d91e8eeeSRaja Mani ath6kl_err("failed to add WOW unicast pattern\n"); 1877d91e8eeeSRaja Mani return ret; 1878d91e8eeeSRaja Mani } 1879d91e8eeeSRaja Mani 1880d91e8eeeSRaja Mani /* 1881d91e8eeeSRaja Mani * Setup multicast pattern for mDNS 224.0.0.251, 1882d91e8eeeSRaja Mani * SSDP 239.255.255.250 and LLMNR 224.0.0.252 1883d91e8eeeSRaja Mani */ 1884d91e8eeeSRaja Mani if ((ndev->flags & IFF_ALLMULTI) || 1885d91e8eeeSRaja Mani (ndev->flags & IFF_MULTICAST && netdev_mc_count(ndev) > 0)) { 1886d91e8eeeSRaja Mani ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, 1887d91e8eeeSRaja Mani vif->fw_vif_idx, WOW_LIST_ID, 1888d91e8eeeSRaja Mani sizeof(discvr_pattern), discvr_offset, 1889d91e8eeeSRaja Mani discvr_pattern, discvr_mask); 1890d91e8eeeSRaja Mani if (ret) { 1891d91e8eeeSRaja Mani ath6kl_err("failed to add WOW mDNS/SSDP/LLMNR " 1892d91e8eeeSRaja Mani "pattern\n"); 1893d91e8eeeSRaja Mani return ret; 1894d91e8eeeSRaja Mani } 1895d91e8eeeSRaja Mani } 1896d91e8eeeSRaja Mani 1897d91e8eeeSRaja Mani return 0; 1898d91e8eeeSRaja Mani } 1899d91e8eeeSRaja Mani 1900d91e8eeeSRaja Mani static int ath6kl_wow_suspend(struct ath6kl *ar, struct cfg80211_wowlan *wow) 1901d91e8eeeSRaja Mani { 1902d91e8eeeSRaja Mani struct in_device *in_dev; 1903d91e8eeeSRaja Mani struct in_ifaddr *ifa; 1904d91e8eeeSRaja Mani struct ath6kl_vif *vif; 1905d91e8eeeSRaja Mani int ret, left; 1906d91e8eeeSRaja Mani u32 filter = 0; 1907d91e8eeeSRaja Mani u16 i; 1908d91e8eeeSRaja Mani u8 index = 0; 1909d91e8eeeSRaja Mani __be32 ips[MAX_IP_ADDRS]; 1910d91e8eeeSRaja Mani 1911d91e8eeeSRaja Mani vif = ath6kl_vif_first(ar); 1912d91e8eeeSRaja Mani if (!vif) 1913d91e8eeeSRaja Mani return -EIO; 1914d91e8eeeSRaja Mani 1915d91e8eeeSRaja Mani if (!ath6kl_cfg80211_ready(vif)) 1916d91e8eeeSRaja Mani return -EIO; 1917d91e8eeeSRaja Mani 1918d91e8eeeSRaja Mani if (!test_bit(CONNECTED, &vif->flags)) 19193c411a43SRaja Mani return -ENOTCONN; 1920d91e8eeeSRaja Mani 1921d91e8eeeSRaja Mani if (wow && (wow->n_patterns > WOW_MAX_FILTERS_PER_LIST)) 1922d91e8eeeSRaja Mani return -EINVAL; 1923d91e8eeeSRaja Mani 1924d91e8eeeSRaja Mani /* Clear existing WOW patterns */ 1925d91e8eeeSRaja Mani for (i = 0; i < WOW_MAX_FILTERS_PER_LIST; i++) 1926d91e8eeeSRaja Mani ath6kl_wmi_del_wow_pattern_cmd(ar->wmi, vif->fw_vif_idx, 1927d91e8eeeSRaja Mani WOW_LIST_ID, i); 1928d91e8eeeSRaja Mani 1929d91e8eeeSRaja Mani /* 1930d91e8eeeSRaja Mani * Skip the default WOW pattern configuration 1931d91e8eeeSRaja Mani * if the driver receives any WOW patterns from 1932d91e8eeeSRaja Mani * the user. 1933d91e8eeeSRaja Mani */ 1934d91e8eeeSRaja Mani if (wow) 1935d91e8eeeSRaja Mani ret = ath6kl_wow_usr(ar, vif, wow, &filter); 1936d91e8eeeSRaja Mani else if (vif->nw_type == AP_NETWORK) 1937d91e8eeeSRaja Mani ret = ath6kl_wow_ap(ar, vif); 1938d91e8eeeSRaja Mani else 1939d91e8eeeSRaja Mani ret = ath6kl_wow_sta(ar, vif); 1940d91e8eeeSRaja Mani 1941d91e8eeeSRaja Mani if (ret) 1942d91e8eeeSRaja Mani return ret; 1943d91e8eeeSRaja Mani 1944c08631c6SRaja Mani /* Setup own IP addr for ARP agent. */ 1945c08631c6SRaja Mani in_dev = __in_dev_get_rtnl(vif->ndev); 1946c08631c6SRaja Mani if (!in_dev) 1947c08631c6SRaja Mani goto skip_arp; 1948c08631c6SRaja Mani 1949c08631c6SRaja Mani ifa = in_dev->ifa_list; 1950c08631c6SRaja Mani memset(&ips, 0, sizeof(ips)); 1951c08631c6SRaja Mani 1952c08631c6SRaja Mani /* Configure IP addr only if IP address count < MAX_IP_ADDRS */ 1953c08631c6SRaja Mani while (index < MAX_IP_ADDRS && ifa) { 1954c08631c6SRaja Mani ips[index] = ifa->ifa_local; 1955c08631c6SRaja Mani ifa = ifa->ifa_next; 1956c08631c6SRaja Mani index++; 1957c08631c6SRaja Mani } 1958c08631c6SRaja Mani 1959c08631c6SRaja Mani if (ifa) { 1960c08631c6SRaja Mani ath6kl_err("total IP addr count is exceeding fw limit\n"); 1961c08631c6SRaja Mani return -EINVAL; 1962c08631c6SRaja Mani } 1963c08631c6SRaja Mani 1964c08631c6SRaja Mani ret = ath6kl_wmi_set_ip_cmd(ar->wmi, vif->fw_vif_idx, ips[0], ips[1]); 1965c08631c6SRaja Mani if (ret) { 1966c08631c6SRaja Mani ath6kl_err("fail to setup ip for arp agent\n"); 1967c08631c6SRaja Mani return ret; 1968c08631c6SRaja Mani } 1969c08631c6SRaja Mani 1970c08631c6SRaja Mani skip_arp: 19716cb3c714SRaja Mani ret = ath6kl_wmi_set_wow_mode_cmd(ar->wmi, vif->fw_vif_idx, 19726cb3c714SRaja Mani ATH6KL_WOW_MODE_ENABLE, 19736cb3c714SRaja Mani filter, 19746cb3c714SRaja Mani WOW_HOST_REQ_DELAY); 19756cb3c714SRaja Mani if (ret) 19766cb3c714SRaja Mani return ret; 19776cb3c714SRaja Mani 1978081c7a84SRaja Mani clear_bit(HOST_SLEEP_MODE_CMD_PROCESSED, &vif->flags); 1979081c7a84SRaja Mani 19806cb3c714SRaja Mani ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx, 19816cb3c714SRaja Mani ATH6KL_HOST_MODE_ASLEEP); 19826cb3c714SRaja Mani if (ret) 19836cb3c714SRaja Mani return ret; 19846cb3c714SRaja Mani 1985081c7a84SRaja Mani left = wait_event_interruptible_timeout(ar->event_wq, 1986081c7a84SRaja Mani test_bit(HOST_SLEEP_MODE_CMD_PROCESSED, &vif->flags), 1987081c7a84SRaja Mani WMI_TIMEOUT); 1988081c7a84SRaja Mani if (left == 0) { 1989081c7a84SRaja Mani ath6kl_warn("timeout, didn't get host sleep cmd " 1990081c7a84SRaja Mani "processed event\n"); 1991081c7a84SRaja Mani ret = -ETIMEDOUT; 1992081c7a84SRaja Mani } else if (left < 0) { 1993081c7a84SRaja Mani ath6kl_warn("error while waiting for host sleep cmd " 1994081c7a84SRaja Mani "processed event %d\n", left); 1995081c7a84SRaja Mani ret = left; 1996081c7a84SRaja Mani } 1997081c7a84SRaja Mani 19986cb3c714SRaja Mani if (ar->tx_pending[ar->ctrl_ep]) { 19996cb3c714SRaja Mani left = wait_event_interruptible_timeout(ar->event_wq, 20006cb3c714SRaja Mani ar->tx_pending[ar->ctrl_ep] == 0, WMI_TIMEOUT); 20016cb3c714SRaja Mani if (left == 0) { 20026cb3c714SRaja Mani ath6kl_warn("clear wmi ctrl data timeout\n"); 20036cb3c714SRaja Mani ret = -ETIMEDOUT; 20046cb3c714SRaja Mani } else if (left < 0) { 20056cb3c714SRaja Mani ath6kl_warn("clear wmi ctrl data failed: %d\n", left); 20066cb3c714SRaja Mani ret = left; 20076cb3c714SRaja Mani } 20086cb3c714SRaja Mani } 20096cb3c714SRaja Mani 20106cb3c714SRaja Mani return ret; 20116cb3c714SRaja Mani } 20126cb3c714SRaja Mani 20136cb3c714SRaja Mani static int ath6kl_wow_resume(struct ath6kl *ar) 20146cb3c714SRaja Mani { 20156cb3c714SRaja Mani struct ath6kl_vif *vif; 20166cb3c714SRaja Mani int ret; 20176cb3c714SRaja Mani 20186cb3c714SRaja Mani vif = ath6kl_vif_first(ar); 20196cb3c714SRaja Mani if (!vif) 20206cb3c714SRaja Mani return -EIO; 20216cb3c714SRaja Mani 20226cb3c714SRaja Mani ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx, 20236cb3c714SRaja Mani ATH6KL_HOST_MODE_AWAKE); 20246cb3c714SRaja Mani return ret; 20256cb3c714SRaja Mani } 20266cb3c714SRaja Mani 202752d81a68SKalle Valo int ath6kl_cfg80211_suspend(struct ath6kl *ar, 20280f60e9f4SRaja Mani enum ath6kl_cfg_suspend_mode mode, 20290f60e9f4SRaja Mani struct cfg80211_wowlan *wow) 203052d81a68SKalle Valo { 203152d81a68SKalle Valo int ret; 203252d81a68SKalle Valo 203352d81a68SKalle Valo switch (mode) { 2034d7c44e0bSRaja Mani case ATH6KL_CFG_SUSPEND_WOW: 2035d7c44e0bSRaja Mani 2036d7c44e0bSRaja Mani ath6kl_dbg(ATH6KL_DBG_SUSPEND, "wow mode suspend\n"); 2037d7c44e0bSRaja Mani 2038d7c44e0bSRaja Mani /* Flush all non control pkts in TX path */ 2039d7c44e0bSRaja Mani ath6kl_tx_data_cleanup(ar); 2040d7c44e0bSRaja Mani 2041d7c44e0bSRaja Mani ret = ath6kl_wow_suspend(ar, wow); 2042d7c44e0bSRaja Mani if (ret) { 2043d7c44e0bSRaja Mani ath6kl_err("wow suspend failed: %d\n", ret); 2044d7c44e0bSRaja Mani return ret; 2045d7c44e0bSRaja Mani } 2046d7c44e0bSRaja Mani ar->state = ATH6KL_STATE_WOW; 2047d7c44e0bSRaja Mani break; 2048d7c44e0bSRaja Mani 204952d81a68SKalle Valo case ATH6KL_CFG_SUSPEND_DEEPSLEEP: 2050524441e3SRaja Mani 20517125f01dSKalle Valo ath6kl_cfg80211_stop_all(ar); 2052524441e3SRaja Mani 205352d81a68SKalle Valo /* save the current power mode before enabling power save */ 205452d81a68SKalle Valo ar->wmi->saved_pwr_mode = ar->wmi->pwr_mode; 205552d81a68SKalle Valo 205652d81a68SKalle Valo ret = ath6kl_wmi_powermode_cmd(ar->wmi, 0, REC_POWER); 205752d81a68SKalle Valo if (ret) { 205852d81a68SKalle Valo ath6kl_warn("wmi powermode command failed during suspend: %d\n", 205952d81a68SKalle Valo ret); 206052d81a68SKalle Valo } 206152d81a68SKalle Valo 206276a9fbe2SKalle Valo ar->state = ATH6KL_STATE_DEEPSLEEP; 206376a9fbe2SKalle Valo 206452d81a68SKalle Valo break; 2065b4b2a0b1SKalle Valo 2066b4b2a0b1SKalle Valo case ATH6KL_CFG_SUSPEND_CUTPOWER: 2067524441e3SRaja Mani 20687125f01dSKalle Valo ath6kl_cfg80211_stop_all(ar); 2069524441e3SRaja Mani 2070b4b2a0b1SKalle Valo if (ar->state == ATH6KL_STATE_OFF) { 2071b4b2a0b1SKalle Valo ath6kl_dbg(ATH6KL_DBG_SUSPEND, 2072b4b2a0b1SKalle Valo "suspend hw off, no action for cutpower\n"); 2073b4b2a0b1SKalle Valo break; 2074b4b2a0b1SKalle Valo } 2075b4b2a0b1SKalle Valo 2076b4b2a0b1SKalle Valo ath6kl_dbg(ATH6KL_DBG_SUSPEND, "suspend cutting power\n"); 2077b4b2a0b1SKalle Valo 2078b4b2a0b1SKalle Valo ret = ath6kl_init_hw_stop(ar); 2079b4b2a0b1SKalle Valo if (ret) { 2080b4b2a0b1SKalle Valo ath6kl_warn("failed to stop hw during suspend: %d\n", 2081b4b2a0b1SKalle Valo ret); 2082b4b2a0b1SKalle Valo } 2083b4b2a0b1SKalle Valo 2084b4b2a0b1SKalle Valo ar->state = ATH6KL_STATE_CUTPOWER; 2085b4b2a0b1SKalle Valo 2086b4b2a0b1SKalle Valo break; 2087b4b2a0b1SKalle Valo 208810509f90SKalle Valo case ATH6KL_CFG_SUSPEND_SCHED_SCAN: 208910509f90SKalle Valo /* 209010509f90SKalle Valo * Nothing needed for schedule scan, firmware is already in 209110509f90SKalle Valo * wow mode and sleeping most of the time. 209210509f90SKalle Valo */ 209310509f90SKalle Valo break; 209410509f90SKalle Valo 2095b4b2a0b1SKalle Valo default: 2096b4b2a0b1SKalle Valo break; 209752d81a68SKalle Valo } 209852d81a68SKalle Valo 209952d81a68SKalle Valo return 0; 210052d81a68SKalle Valo } 2101d6a434d6SKalle Valo EXPORT_SYMBOL(ath6kl_cfg80211_suspend); 210252d81a68SKalle Valo 210352d81a68SKalle Valo int ath6kl_cfg80211_resume(struct ath6kl *ar) 210452d81a68SKalle Valo { 210576a9fbe2SKalle Valo int ret; 210676a9fbe2SKalle Valo 210776a9fbe2SKalle Valo switch (ar->state) { 2108d7c44e0bSRaja Mani case ATH6KL_STATE_WOW: 2109d7c44e0bSRaja Mani ath6kl_dbg(ATH6KL_DBG_SUSPEND, "wow mode resume\n"); 2110d7c44e0bSRaja Mani 2111d7c44e0bSRaja Mani ret = ath6kl_wow_resume(ar); 2112d7c44e0bSRaja Mani if (ret) { 2113d7c44e0bSRaja Mani ath6kl_warn("wow mode resume failed: %d\n", ret); 2114d7c44e0bSRaja Mani return ret; 2115d7c44e0bSRaja Mani } 2116d7c44e0bSRaja Mani 2117d7c44e0bSRaja Mani ar->state = ATH6KL_STATE_ON; 2118d7c44e0bSRaja Mani break; 2119d7c44e0bSRaja Mani 212076a9fbe2SKalle Valo case ATH6KL_STATE_DEEPSLEEP: 212152d81a68SKalle Valo if (ar->wmi->pwr_mode != ar->wmi->saved_pwr_mode) { 212276a9fbe2SKalle Valo ret = ath6kl_wmi_powermode_cmd(ar->wmi, 0, 212376a9fbe2SKalle Valo ar->wmi->saved_pwr_mode); 212476a9fbe2SKalle Valo if (ret) { 212576a9fbe2SKalle Valo ath6kl_warn("wmi powermode command failed during resume: %d\n", 212676a9fbe2SKalle Valo ret); 212776a9fbe2SKalle Valo } 212876a9fbe2SKalle Valo } 212976a9fbe2SKalle Valo 213076a9fbe2SKalle Valo ar->state = ATH6KL_STATE_ON; 213176a9fbe2SKalle Valo 213276a9fbe2SKalle Valo break; 213376a9fbe2SKalle Valo 2134b4b2a0b1SKalle Valo case ATH6KL_STATE_CUTPOWER: 2135b4b2a0b1SKalle Valo ath6kl_dbg(ATH6KL_DBG_SUSPEND, "resume restoring power\n"); 2136b4b2a0b1SKalle Valo 2137b4b2a0b1SKalle Valo ret = ath6kl_init_hw_start(ar); 2138b4b2a0b1SKalle Valo if (ret) { 2139b4b2a0b1SKalle Valo ath6kl_warn("Failed to boot hw in resume: %d\n", ret); 2140b4b2a0b1SKalle Valo return ret; 2141b4b2a0b1SKalle Valo } 2142d7c44e0bSRaja Mani break; 2143b4b2a0b1SKalle Valo 214410509f90SKalle Valo case ATH6KL_STATE_SCHED_SCAN: 214510509f90SKalle Valo break; 214610509f90SKalle Valo 214776a9fbe2SKalle Valo default: 214876a9fbe2SKalle Valo break; 214952d81a68SKalle Valo } 215052d81a68SKalle Valo 215152d81a68SKalle Valo return 0; 215252d81a68SKalle Valo } 2153d6a434d6SKalle Valo EXPORT_SYMBOL(ath6kl_cfg80211_resume); 215452d81a68SKalle Valo 2155abcb344bSKalle Valo #ifdef CONFIG_PM 215652d81a68SKalle Valo 215752d81a68SKalle Valo /* hif layer decides what suspend mode to use */ 215852d81a68SKalle Valo static int __ath6kl_cfg80211_suspend(struct wiphy *wiphy, 2159abcb344bSKalle Valo struct cfg80211_wowlan *wow) 2160abcb344bSKalle Valo { 2161abcb344bSKalle Valo struct ath6kl *ar = wiphy_priv(wiphy); 2162abcb344bSKalle Valo 21630f60e9f4SRaja Mani return ath6kl_hif_suspend(ar, wow); 2164abcb344bSKalle Valo } 2165aa6cffc1SChilam Ng 216652d81a68SKalle Valo static int __ath6kl_cfg80211_resume(struct wiphy *wiphy) 2167aa6cffc1SChilam Ng { 2168aa6cffc1SChilam Ng struct ath6kl *ar = wiphy_priv(wiphy); 2169aa6cffc1SChilam Ng 2170aa6cffc1SChilam Ng return ath6kl_hif_resume(ar); 2171aa6cffc1SChilam Ng } 2172a918fb3cSRaja Mani 2173a918fb3cSRaja Mani /* 2174a918fb3cSRaja Mani * FIXME: WOW suspend mode is selected if the host sdio controller supports 2175a918fb3cSRaja Mani * both sdio irq wake up and keep power. The target pulls sdio data line to 2176a918fb3cSRaja Mani * wake up the host when WOW pattern matches. This causes sdio irq handler 2177a918fb3cSRaja Mani * is being called in the host side which internally hits ath6kl's RX path. 2178a918fb3cSRaja Mani * 2179a918fb3cSRaja Mani * Since sdio interrupt is not disabled, RX path executes even before 2180a918fb3cSRaja Mani * the host executes the actual resume operation from PM module. 2181a918fb3cSRaja Mani * 2182a918fb3cSRaja Mani * In the current scenario, WOW resume should happen before start processing 2183a918fb3cSRaja Mani * any data from the target. So It's required to perform WOW resume in RX path. 2184a918fb3cSRaja Mani * Ideally we should perform WOW resume only in the actual platform 2185a918fb3cSRaja Mani * resume path. This area needs bit rework to avoid WOW resume in RX path. 2186a918fb3cSRaja Mani * 2187a918fb3cSRaja Mani * ath6kl_check_wow_status() is called from ath6kl_rx(). 2188a918fb3cSRaja Mani */ 2189a918fb3cSRaja Mani void ath6kl_check_wow_status(struct ath6kl *ar) 2190a918fb3cSRaja Mani { 2191a918fb3cSRaja Mani if (ar->state == ATH6KL_STATE_WOW) 2192a918fb3cSRaja Mani ath6kl_cfg80211_resume(ar); 2193a918fb3cSRaja Mani } 2194a918fb3cSRaja Mani 2195a918fb3cSRaja Mani #else 2196a918fb3cSRaja Mani 2197a918fb3cSRaja Mani void ath6kl_check_wow_status(struct ath6kl *ar) 2198a918fb3cSRaja Mani { 2199a918fb3cSRaja Mani } 2200abcb344bSKalle Valo #endif 2201abcb344bSKalle Valo 22026a7c9badSJouni Malinen static int ath6kl_set_channel(struct wiphy *wiphy, struct net_device *dev, 22036a7c9badSJouni Malinen struct ieee80211_channel *chan, 22046a7c9badSJouni Malinen enum nl80211_channel_type channel_type) 22056a7c9badSJouni Malinen { 2206e68f6750SSujith Manoharan struct ath6kl_vif *vif; 2207e68f6750SSujith Manoharan 2208e68f6750SSujith Manoharan /* 2209e68f6750SSujith Manoharan * 'dev' could be NULL if a channel change is required for the hardware 2210e68f6750SSujith Manoharan * device itself, instead of a particular VIF. 2211e68f6750SSujith Manoharan * 2212e68f6750SSujith Manoharan * FIXME: To be handled properly when monitor mode is supported. 2213e68f6750SSujith Manoharan */ 2214e68f6750SSujith Manoharan if (!dev) 2215e68f6750SSujith Manoharan return -EBUSY; 2216e68f6750SSujith Manoharan 2217e68f6750SSujith Manoharan vif = netdev_priv(dev); 22186a7c9badSJouni Malinen 2219990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 22206a7c9badSJouni Malinen return -EIO; 22216a7c9badSJouni Malinen 22226a7c9badSJouni Malinen ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: center_freq=%u hw_value=%u\n", 22236a7c9badSJouni Malinen __func__, chan->center_freq, chan->hw_value); 2224cf5333d7SVasanthakumar Thiagarajan vif->next_chan = chan->center_freq; 22256a7c9badSJouni Malinen 22266a7c9badSJouni Malinen return 0; 22276a7c9badSJouni Malinen } 22286a7c9badSJouni Malinen 22298bdfbf40SJouni Malinen static bool ath6kl_is_p2p_ie(const u8 *pos) 22308bdfbf40SJouni Malinen { 22318bdfbf40SJouni Malinen return pos[0] == WLAN_EID_VENDOR_SPECIFIC && pos[1] >= 4 && 22328bdfbf40SJouni Malinen pos[2] == 0x50 && pos[3] == 0x6f && 22338bdfbf40SJouni Malinen pos[4] == 0x9a && pos[5] == 0x09; 22348bdfbf40SJouni Malinen } 22358bdfbf40SJouni Malinen 2236334234b5SVasanthakumar Thiagarajan static int ath6kl_set_ap_probe_resp_ies(struct ath6kl_vif *vif, 2237334234b5SVasanthakumar Thiagarajan const u8 *ies, size_t ies_len) 22388bdfbf40SJouni Malinen { 2239334234b5SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 22408bdfbf40SJouni Malinen const u8 *pos; 22418bdfbf40SJouni Malinen u8 *buf = NULL; 22428bdfbf40SJouni Malinen size_t len = 0; 22438bdfbf40SJouni Malinen int ret; 22448bdfbf40SJouni Malinen 22458bdfbf40SJouni Malinen /* 22468bdfbf40SJouni Malinen * Filter out P2P IE(s) since they will be included depending on 22478bdfbf40SJouni Malinen * the Probe Request frame in ath6kl_send_go_probe_resp(). 22488bdfbf40SJouni Malinen */ 22498bdfbf40SJouni Malinen 22508bdfbf40SJouni Malinen if (ies && ies_len) { 22518bdfbf40SJouni Malinen buf = kmalloc(ies_len, GFP_KERNEL); 22528bdfbf40SJouni Malinen if (buf == NULL) 22538bdfbf40SJouni Malinen return -ENOMEM; 22548bdfbf40SJouni Malinen pos = ies; 22558bdfbf40SJouni Malinen while (pos + 1 < ies + ies_len) { 22568bdfbf40SJouni Malinen if (pos + 2 + pos[1] > ies + ies_len) 22578bdfbf40SJouni Malinen break; 22588bdfbf40SJouni Malinen if (!ath6kl_is_p2p_ie(pos)) { 22598bdfbf40SJouni Malinen memcpy(buf + len, pos, 2 + pos[1]); 22608bdfbf40SJouni Malinen len += 2 + pos[1]; 22618bdfbf40SJouni Malinen } 22628bdfbf40SJouni Malinen pos += 2 + pos[1]; 22638bdfbf40SJouni Malinen } 22648bdfbf40SJouni Malinen } 22658bdfbf40SJouni Malinen 2266334234b5SVasanthakumar Thiagarajan ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, 2267334234b5SVasanthakumar Thiagarajan WMI_FRAME_PROBE_RESP, buf, len); 22688bdfbf40SJouni Malinen kfree(buf); 22698bdfbf40SJouni Malinen return ret; 22708bdfbf40SJouni Malinen } 22718bdfbf40SJouni Malinen 22728860020eSJohannes Berg static int ath6kl_set_ies(struct ath6kl_vif *vif, 22738860020eSJohannes Berg struct cfg80211_beacon_data *info) 22748860020eSJohannes Berg { 22758860020eSJohannes Berg struct ath6kl *ar = vif->ar; 22768860020eSJohannes Berg int res; 22778860020eSJohannes Berg 22788860020eSJohannes Berg if (info->beacon_ies) { 22798860020eSJohannes Berg res = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, 22808860020eSJohannes Berg WMI_FRAME_BEACON, 22818860020eSJohannes Berg info->beacon_ies, 22828860020eSJohannes Berg info->beacon_ies_len); 22838860020eSJohannes Berg if (res) 22848860020eSJohannes Berg return res; 22858860020eSJohannes Berg } 22868860020eSJohannes Berg 22878860020eSJohannes Berg if (info->proberesp_ies) { 22888860020eSJohannes Berg res = ath6kl_set_ap_probe_resp_ies(vif, info->proberesp_ies, 22898860020eSJohannes Berg info->proberesp_ies_len); 22908860020eSJohannes Berg if (res) 22918860020eSJohannes Berg return res; 22928860020eSJohannes Berg } 22938860020eSJohannes Berg 22948860020eSJohannes Berg if (info->assocresp_ies) { 22958860020eSJohannes Berg res = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, 22968860020eSJohannes Berg WMI_FRAME_ASSOC_RESP, 22978860020eSJohannes Berg info->assocresp_ies, 22988860020eSJohannes Berg info->assocresp_ies_len); 22998860020eSJohannes Berg if (res) 23008860020eSJohannes Berg return res; 23018860020eSJohannes Berg } 23028860020eSJohannes Berg 23038860020eSJohannes Berg return 0; 23048860020eSJohannes Berg } 23058860020eSJohannes Berg 23068860020eSJohannes Berg static int ath6kl_start_ap(struct wiphy *wiphy, struct net_device *dev, 23078860020eSJohannes Berg struct cfg80211_ap_settings *info) 23086a7c9badSJouni Malinen { 23096a7c9badSJouni Malinen struct ath6kl *ar = ath6kl_priv(dev); 23103450334fSVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 23116a7c9badSJouni Malinen struct ieee80211_mgmt *mgmt; 23126a7c9badSJouni Malinen u8 *ies; 23136a7c9badSJouni Malinen int ies_len; 23146a7c9badSJouni Malinen struct wmi_connect_cmd p; 23156a7c9badSJouni Malinen int res; 2316be5abaafSVasanthakumar Thiagarajan int i, ret; 23176a7c9badSJouni Malinen 23188860020eSJohannes Berg ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s:\n", __func__); 23196a7c9badSJouni Malinen 2320990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 23216a7c9badSJouni Malinen return -EIO; 23226a7c9badSJouni Malinen 2323f5938f24SVasanthakumar Thiagarajan if (vif->next_mode != AP_NETWORK) 23246a7c9badSJouni Malinen return -EOPNOTSUPP; 23256a7c9badSJouni Malinen 23268860020eSJohannes Berg res = ath6kl_set_ies(vif, &info->beacon); 23276a7c9badSJouni Malinen 23289a5b1318SJouni Malinen ar->ap_mode_bkey.valid = false; 23299a5b1318SJouni Malinen 23306a7c9badSJouni Malinen /* TODO: 23316a7c9badSJouni Malinen * info->interval 23326a7c9badSJouni Malinen * info->dtim_period 23336a7c9badSJouni Malinen */ 23346a7c9badSJouni Malinen 23358860020eSJohannes Berg if (info->beacon.head == NULL) 23366a7c9badSJouni Malinen return -EINVAL; 23378860020eSJohannes Berg mgmt = (struct ieee80211_mgmt *) info->beacon.head; 23386a7c9badSJouni Malinen ies = mgmt->u.beacon.variable; 23398860020eSJohannes Berg if (ies > info->beacon.head + info->beacon.head_len) 23406a7c9badSJouni Malinen return -EINVAL; 23418860020eSJohannes Berg ies_len = info->beacon.head + info->beacon.head_len - ies; 23426a7c9badSJouni Malinen 23436a7c9badSJouni Malinen if (info->ssid == NULL) 23446a7c9badSJouni Malinen return -EINVAL; 23453450334fSVasanthakumar Thiagarajan memcpy(vif->ssid, info->ssid, info->ssid_len); 23463450334fSVasanthakumar Thiagarajan vif->ssid_len = info->ssid_len; 23476a7c9badSJouni Malinen if (info->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE) 23486a7c9badSJouni Malinen return -EOPNOTSUPP; /* TODO */ 23496a7c9badSJouni Malinen 2350be5abaafSVasanthakumar Thiagarajan ret = ath6kl_set_auth_type(vif, info->auth_type); 2351be5abaafSVasanthakumar Thiagarajan if (ret) 2352be5abaafSVasanthakumar Thiagarajan return ret; 23536a7c9badSJouni Malinen 23546a7c9badSJouni Malinen memset(&p, 0, sizeof(p)); 23556a7c9badSJouni Malinen 23566a7c9badSJouni Malinen for (i = 0; i < info->crypto.n_akm_suites; i++) { 23576a7c9badSJouni Malinen switch (info->crypto.akm_suites[i]) { 23586a7c9badSJouni Malinen case WLAN_AKM_SUITE_8021X: 23596a7c9badSJouni Malinen if (info->crypto.wpa_versions & NL80211_WPA_VERSION_1) 23606a7c9badSJouni Malinen p.auth_mode |= WPA_AUTH; 23616a7c9badSJouni Malinen if (info->crypto.wpa_versions & NL80211_WPA_VERSION_2) 23626a7c9badSJouni Malinen p.auth_mode |= WPA2_AUTH; 23636a7c9badSJouni Malinen break; 23646a7c9badSJouni Malinen case WLAN_AKM_SUITE_PSK: 23656a7c9badSJouni Malinen if (info->crypto.wpa_versions & NL80211_WPA_VERSION_1) 23666a7c9badSJouni Malinen p.auth_mode |= WPA_PSK_AUTH; 23676a7c9badSJouni Malinen if (info->crypto.wpa_versions & NL80211_WPA_VERSION_2) 23686a7c9badSJouni Malinen p.auth_mode |= WPA2_PSK_AUTH; 23696a7c9badSJouni Malinen break; 23706a7c9badSJouni Malinen } 23716a7c9badSJouni Malinen } 23726a7c9badSJouni Malinen if (p.auth_mode == 0) 23736a7c9badSJouni Malinen p.auth_mode = NONE_AUTH; 23743450334fSVasanthakumar Thiagarajan vif->auth_mode = p.auth_mode; 23756a7c9badSJouni Malinen 23766a7c9badSJouni Malinen for (i = 0; i < info->crypto.n_ciphers_pairwise; i++) { 23776a7c9badSJouni Malinen switch (info->crypto.ciphers_pairwise[i]) { 23786a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_WEP40: 23796a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_WEP104: 23806a7c9badSJouni Malinen p.prwise_crypto_type |= WEP_CRYPT; 23816a7c9badSJouni Malinen break; 23826a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_TKIP: 23836a7c9badSJouni Malinen p.prwise_crypto_type |= TKIP_CRYPT; 23846a7c9badSJouni Malinen break; 23856a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_CCMP: 23866a7c9badSJouni Malinen p.prwise_crypto_type |= AES_CRYPT; 23876a7c9badSJouni Malinen break; 2388b8214df1SDai Shuibing case WLAN_CIPHER_SUITE_SMS4: 2389b8214df1SDai Shuibing p.prwise_crypto_type |= WAPI_CRYPT; 2390b8214df1SDai Shuibing break; 23916a7c9badSJouni Malinen } 23926a7c9badSJouni Malinen } 2393229ed6b5SEdward Lu if (p.prwise_crypto_type == 0) { 23946a7c9badSJouni Malinen p.prwise_crypto_type = NONE_CRYPT; 2395240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, 0, true); 2396229ed6b5SEdward Lu } else if (info->crypto.n_ciphers_pairwise == 1) 2397240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, info->crypto.ciphers_pairwise[0], true); 23986a7c9badSJouni Malinen 23996a7c9badSJouni Malinen switch (info->crypto.cipher_group) { 24006a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_WEP40: 24016a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_WEP104: 24026a7c9badSJouni Malinen p.grp_crypto_type = WEP_CRYPT; 24036a7c9badSJouni Malinen break; 24046a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_TKIP: 24056a7c9badSJouni Malinen p.grp_crypto_type = TKIP_CRYPT; 24066a7c9badSJouni Malinen break; 24076a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_CCMP: 24086a7c9badSJouni Malinen p.grp_crypto_type = AES_CRYPT; 24096a7c9badSJouni Malinen break; 2410b8214df1SDai Shuibing case WLAN_CIPHER_SUITE_SMS4: 2411b8214df1SDai Shuibing p.grp_crypto_type = WAPI_CRYPT; 2412b8214df1SDai Shuibing break; 24136a7c9badSJouni Malinen default: 24146a7c9badSJouni Malinen p.grp_crypto_type = NONE_CRYPT; 24156a7c9badSJouni Malinen break; 24166a7c9badSJouni Malinen } 2417240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, info->crypto.cipher_group, false); 24186a7c9badSJouni Malinen 24196a7c9badSJouni Malinen p.nw_type = AP_NETWORK; 2420f5938f24SVasanthakumar Thiagarajan vif->nw_type = vif->next_mode; 24216a7c9badSJouni Malinen 24223450334fSVasanthakumar Thiagarajan p.ssid_len = vif->ssid_len; 24233450334fSVasanthakumar Thiagarajan memcpy(p.ssid, vif->ssid, vif->ssid_len); 24243450334fSVasanthakumar Thiagarajan p.dot11_auth_mode = vif->dot11_auth_mode; 2425cf5333d7SVasanthakumar Thiagarajan p.ch = cpu_to_le16(vif->next_chan); 24266a7c9badSJouni Malinen 2427c1762a3fSThirumalai Pachamuthu /* Enable uAPSD support by default */ 2428c1762a3fSThirumalai Pachamuthu res = ath6kl_wmi_ap_set_apsd(ar->wmi, vif->fw_vif_idx, true); 2429c1762a3fSThirumalai Pachamuthu if (res < 0) 2430c1762a3fSThirumalai Pachamuthu return res; 2431c1762a3fSThirumalai Pachamuthu 24323ca9d1fcSAarthi Thiruvengadam if (vif->wdev.iftype == NL80211_IFTYPE_P2P_GO) { 24333ca9d1fcSAarthi Thiruvengadam p.nw_subtype = SUBTYPE_P2PGO; 24343ca9d1fcSAarthi Thiruvengadam } else { 24353ca9d1fcSAarthi Thiruvengadam /* 24363ca9d1fcSAarthi Thiruvengadam * Due to firmware limitation, it is not possible to 24373ca9d1fcSAarthi Thiruvengadam * do P2P mgmt operations in AP mode 24383ca9d1fcSAarthi Thiruvengadam */ 24393ca9d1fcSAarthi Thiruvengadam p.nw_subtype = SUBTYPE_NONE; 24403ca9d1fcSAarthi Thiruvengadam } 24413ca9d1fcSAarthi Thiruvengadam 2442334234b5SVasanthakumar Thiagarajan res = ath6kl_wmi_ap_profile_commit(ar->wmi, vif->fw_vif_idx, &p); 24439a5b1318SJouni Malinen if (res < 0) 24449a5b1318SJouni Malinen return res; 24459a5b1318SJouni Malinen 24469a5b1318SJouni Malinen return 0; 24476a7c9badSJouni Malinen } 24486a7c9badSJouni Malinen 24498860020eSJohannes Berg static int ath6kl_change_beacon(struct wiphy *wiphy, struct net_device *dev, 24508860020eSJohannes Berg struct cfg80211_beacon_data *beacon) 24516a7c9badSJouni Malinen { 24528860020eSJohannes Berg struct ath6kl_vif *vif = netdev_priv(dev); 24538860020eSJohannes Berg 24548860020eSJohannes Berg if (!ath6kl_cfg80211_ready(vif)) 24558860020eSJohannes Berg return -EIO; 24568860020eSJohannes Berg 24578860020eSJohannes Berg if (vif->next_mode != AP_NETWORK) 24588860020eSJohannes Berg return -EOPNOTSUPP; 24598860020eSJohannes Berg 24608860020eSJohannes Berg return ath6kl_set_ies(vif, beacon); 24616a7c9badSJouni Malinen } 24626a7c9badSJouni Malinen 24638860020eSJohannes Berg static int ath6kl_stop_ap(struct wiphy *wiphy, struct net_device *dev) 24646a7c9badSJouni Malinen { 24656a7c9badSJouni Malinen struct ath6kl *ar = ath6kl_priv(dev); 246659c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 24676a7c9badSJouni Malinen 2468f5938f24SVasanthakumar Thiagarajan if (vif->nw_type != AP_NETWORK) 24696a7c9badSJouni Malinen return -EOPNOTSUPP; 247059c98449SVasanthakumar Thiagarajan if (!test_bit(CONNECTED, &vif->flags)) 24716a7c9badSJouni Malinen return -ENOTCONN; 24726a7c9badSJouni Malinen 2473334234b5SVasanthakumar Thiagarajan ath6kl_wmi_disconnect_cmd(ar->wmi, vif->fw_vif_idx); 247459c98449SVasanthakumar Thiagarajan clear_bit(CONNECTED, &vif->flags); 24756a7c9badSJouni Malinen 24766a7c9badSJouni Malinen return 0; 24776a7c9badSJouni Malinen } 24786a7c9badSJouni Malinen 247933e5308dSJouni Malinen static const u8 bcast_addr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; 248033e5308dSJouni Malinen 248133e5308dSJouni Malinen static int ath6kl_del_station(struct wiphy *wiphy, struct net_device *dev, 248233e5308dSJouni Malinen u8 *mac) 248333e5308dSJouni Malinen { 248433e5308dSJouni Malinen struct ath6kl *ar = ath6kl_priv(dev); 248533e5308dSJouni Malinen struct ath6kl_vif *vif = netdev_priv(dev); 248633e5308dSJouni Malinen const u8 *addr = mac ? mac : bcast_addr; 248733e5308dSJouni Malinen 248833e5308dSJouni Malinen return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx, WMI_AP_DEAUTH, 248933e5308dSJouni Malinen addr, WLAN_REASON_PREV_AUTH_NOT_VALID); 249033e5308dSJouni Malinen } 249133e5308dSJouni Malinen 249223875136SJouni Malinen static int ath6kl_change_station(struct wiphy *wiphy, struct net_device *dev, 249323875136SJouni Malinen u8 *mac, struct station_parameters *params) 249423875136SJouni Malinen { 249523875136SJouni Malinen struct ath6kl *ar = ath6kl_priv(dev); 2496f5938f24SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 249723875136SJouni Malinen 2498f5938f24SVasanthakumar Thiagarajan if (vif->nw_type != AP_NETWORK) 249923875136SJouni Malinen return -EOPNOTSUPP; 250023875136SJouni Malinen 250123875136SJouni Malinen /* Use this only for authorizing/unauthorizing a station */ 250223875136SJouni Malinen if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED))) 250323875136SJouni Malinen return -EOPNOTSUPP; 250423875136SJouni Malinen 250523875136SJouni Malinen if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED)) 2506334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx, 2507334234b5SVasanthakumar Thiagarajan WMI_AP_MLME_AUTHORIZE, mac, 0); 2508334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx, 2509334234b5SVasanthakumar Thiagarajan WMI_AP_MLME_UNAUTHORIZE, mac, 0); 251023875136SJouni Malinen } 251123875136SJouni Malinen 251263fa1e0cSJouni Malinen static int ath6kl_remain_on_channel(struct wiphy *wiphy, 251363fa1e0cSJouni Malinen struct net_device *dev, 251463fa1e0cSJouni Malinen struct ieee80211_channel *chan, 251563fa1e0cSJouni Malinen enum nl80211_channel_type channel_type, 251663fa1e0cSJouni Malinen unsigned int duration, 251763fa1e0cSJouni Malinen u64 *cookie) 251863fa1e0cSJouni Malinen { 251963fa1e0cSJouni Malinen struct ath6kl *ar = ath6kl_priv(dev); 2520334234b5SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 25211052261eSJouni Malinen u32 id; 252263fa1e0cSJouni Malinen 252363fa1e0cSJouni Malinen /* TODO: if already pending or ongoing remain-on-channel, 252463fa1e0cSJouni Malinen * return -EBUSY */ 25251052261eSJouni Malinen id = ++vif->last_roc_id; 25261052261eSJouni Malinen if (id == 0) { 25271052261eSJouni Malinen /* Do not use 0 as the cookie value */ 25281052261eSJouni Malinen id = ++vif->last_roc_id; 25291052261eSJouni Malinen } 25301052261eSJouni Malinen *cookie = id; 253163fa1e0cSJouni Malinen 2532334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_remain_on_chnl_cmd(ar->wmi, vif->fw_vif_idx, 2533334234b5SVasanthakumar Thiagarajan chan->center_freq, duration); 253463fa1e0cSJouni Malinen } 253563fa1e0cSJouni Malinen 253663fa1e0cSJouni Malinen static int ath6kl_cancel_remain_on_channel(struct wiphy *wiphy, 253763fa1e0cSJouni Malinen struct net_device *dev, 253863fa1e0cSJouni Malinen u64 cookie) 253963fa1e0cSJouni Malinen { 254063fa1e0cSJouni Malinen struct ath6kl *ar = ath6kl_priv(dev); 2541334234b5SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 254263fa1e0cSJouni Malinen 25431052261eSJouni Malinen if (cookie != vif->last_roc_id) 254463fa1e0cSJouni Malinen return -ENOENT; 25451052261eSJouni Malinen vif->last_cancel_roc_id = cookie; 254663fa1e0cSJouni Malinen 2547334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_cancel_remain_on_chnl_cmd(ar->wmi, vif->fw_vif_idx); 254863fa1e0cSJouni Malinen } 254963fa1e0cSJouni Malinen 2550334234b5SVasanthakumar Thiagarajan static int ath6kl_send_go_probe_resp(struct ath6kl_vif *vif, 2551334234b5SVasanthakumar Thiagarajan const u8 *buf, size_t len, 2552334234b5SVasanthakumar Thiagarajan unsigned int freq) 25538bdfbf40SJouni Malinen { 2554334234b5SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 25558bdfbf40SJouni Malinen const u8 *pos; 25568bdfbf40SJouni Malinen u8 *p2p; 25578bdfbf40SJouni Malinen int p2p_len; 25588bdfbf40SJouni Malinen int ret; 25598bdfbf40SJouni Malinen const struct ieee80211_mgmt *mgmt; 25608bdfbf40SJouni Malinen 25618bdfbf40SJouni Malinen mgmt = (const struct ieee80211_mgmt *) buf; 25628bdfbf40SJouni Malinen 25638bdfbf40SJouni Malinen /* Include P2P IE(s) from the frame generated in user space. */ 25648bdfbf40SJouni Malinen 25658bdfbf40SJouni Malinen p2p = kmalloc(len, GFP_KERNEL); 25668bdfbf40SJouni Malinen if (p2p == NULL) 25678bdfbf40SJouni Malinen return -ENOMEM; 25688bdfbf40SJouni Malinen p2p_len = 0; 25698bdfbf40SJouni Malinen 25708bdfbf40SJouni Malinen pos = mgmt->u.probe_resp.variable; 25718bdfbf40SJouni Malinen while (pos + 1 < buf + len) { 25728bdfbf40SJouni Malinen if (pos + 2 + pos[1] > buf + len) 25738bdfbf40SJouni Malinen break; 25748bdfbf40SJouni Malinen if (ath6kl_is_p2p_ie(pos)) { 25758bdfbf40SJouni Malinen memcpy(p2p + p2p_len, pos, 2 + pos[1]); 25768bdfbf40SJouni Malinen p2p_len += 2 + pos[1]; 25778bdfbf40SJouni Malinen } 25788bdfbf40SJouni Malinen pos += 2 + pos[1]; 25798bdfbf40SJouni Malinen } 25808bdfbf40SJouni Malinen 2581334234b5SVasanthakumar Thiagarajan ret = ath6kl_wmi_send_probe_response_cmd(ar->wmi, vif->fw_vif_idx, freq, 2582334234b5SVasanthakumar Thiagarajan mgmt->da, p2p, p2p_len); 25838bdfbf40SJouni Malinen kfree(p2p); 25848bdfbf40SJouni Malinen return ret; 25858bdfbf40SJouni Malinen } 25868bdfbf40SJouni Malinen 25878a6c8060SJouni Malinen static int ath6kl_mgmt_tx(struct wiphy *wiphy, struct net_device *dev, 25888a6c8060SJouni Malinen struct ieee80211_channel *chan, bool offchan, 25898a6c8060SJouni Malinen enum nl80211_channel_type channel_type, 25908a6c8060SJouni Malinen bool channel_type_valid, unsigned int wait, 2591e247bd90SJohannes Berg const u8 *buf, size_t len, bool no_cck, 2592e247bd90SJohannes Berg bool dont_wait_for_ack, u64 *cookie) 25938a6c8060SJouni Malinen { 25948a6c8060SJouni Malinen struct ath6kl *ar = ath6kl_priv(dev); 259559c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 25968a6c8060SJouni Malinen u32 id; 25978bdfbf40SJouni Malinen const struct ieee80211_mgmt *mgmt; 25988bdfbf40SJouni Malinen 25998bdfbf40SJouni Malinen mgmt = (const struct ieee80211_mgmt *) buf; 26008bdfbf40SJouni Malinen if (buf + len >= mgmt->u.probe_resp.variable && 2601f5938f24SVasanthakumar Thiagarajan vif->nw_type == AP_NETWORK && test_bit(CONNECTED, &vif->flags) && 26028bdfbf40SJouni Malinen ieee80211_is_probe_resp(mgmt->frame_control)) { 26038bdfbf40SJouni Malinen /* 26048bdfbf40SJouni Malinen * Send Probe Response frame in AP mode using a separate WMI 26058bdfbf40SJouni Malinen * command to allow the target to fill in the generic IEs. 26068bdfbf40SJouni Malinen */ 26078bdfbf40SJouni Malinen *cookie = 0; /* TX status not supported */ 2608334234b5SVasanthakumar Thiagarajan return ath6kl_send_go_probe_resp(vif, buf, len, 26098bdfbf40SJouni Malinen chan->center_freq); 26108bdfbf40SJouni Malinen } 26118a6c8060SJouni Malinen 2612cf5333d7SVasanthakumar Thiagarajan id = vif->send_action_id++; 26138a6c8060SJouni Malinen if (id == 0) { 26148a6c8060SJouni Malinen /* 26158a6c8060SJouni Malinen * 0 is a reserved value in the WMI command and shall not be 26168a6c8060SJouni Malinen * used for the command. 26178a6c8060SJouni Malinen */ 2618cf5333d7SVasanthakumar Thiagarajan id = vif->send_action_id++; 26198a6c8060SJouni Malinen } 26208a6c8060SJouni Malinen 26218a6c8060SJouni Malinen *cookie = id; 26223ca9d1fcSAarthi Thiruvengadam 26233ca9d1fcSAarthi Thiruvengadam if (test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX, 26243ca9d1fcSAarthi Thiruvengadam ar->fw_capabilities)) { 26253ca9d1fcSAarthi Thiruvengadam /* 26263ca9d1fcSAarthi Thiruvengadam * If capable of doing P2P mgmt operations using 26273ca9d1fcSAarthi Thiruvengadam * station interface, send additional information like 26283ca9d1fcSAarthi Thiruvengadam * supported rates to advertise and xmit rates for 26293ca9d1fcSAarthi Thiruvengadam * probe requests 26303ca9d1fcSAarthi Thiruvengadam */ 26313ca9d1fcSAarthi Thiruvengadam return ath6kl_wmi_send_mgmt_cmd(ar->wmi, vif->fw_vif_idx, id, 26323ca9d1fcSAarthi Thiruvengadam chan->center_freq, wait, 26333ca9d1fcSAarthi Thiruvengadam buf, len, no_cck); 26343ca9d1fcSAarthi Thiruvengadam } else { 2635334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_send_action_cmd(ar->wmi, vif->fw_vif_idx, id, 2636334234b5SVasanthakumar Thiagarajan chan->center_freq, wait, 26378a6c8060SJouni Malinen buf, len); 26388a6c8060SJouni Malinen } 26393ca9d1fcSAarthi Thiruvengadam } 26408a6c8060SJouni Malinen 2641ae32c30aSJouni Malinen static void ath6kl_mgmt_frame_register(struct wiphy *wiphy, 2642ae32c30aSJouni Malinen struct net_device *dev, 2643ae32c30aSJouni Malinen u16 frame_type, bool reg) 2644ae32c30aSJouni Malinen { 2645cf5333d7SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 2646ae32c30aSJouni Malinen 2647ae32c30aSJouni Malinen ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: frame_type=0x%x reg=%d\n", 2648ae32c30aSJouni Malinen __func__, frame_type, reg); 2649ae32c30aSJouni Malinen if (frame_type == IEEE80211_STYPE_PROBE_REQ) { 2650ae32c30aSJouni Malinen /* 2651ae32c30aSJouni Malinen * Note: This notification callback is not allowed to sleep, so 2652ae32c30aSJouni Malinen * we cannot send WMI_PROBE_REQ_REPORT_CMD here. Instead, we 2653ae32c30aSJouni Malinen * hardcode target to report Probe Request frames all the time. 2654ae32c30aSJouni Malinen */ 2655cf5333d7SVasanthakumar Thiagarajan vif->probe_req_report = reg; 2656ae32c30aSJouni Malinen } 2657ae32c30aSJouni Malinen } 2658ae32c30aSJouni Malinen 265910509f90SKalle Valo static int ath6kl_cfg80211_sscan_start(struct wiphy *wiphy, 266010509f90SKalle Valo struct net_device *dev, 266110509f90SKalle Valo struct cfg80211_sched_scan_request *request) 266210509f90SKalle Valo { 266310509f90SKalle Valo struct ath6kl *ar = ath6kl_priv(dev); 266410509f90SKalle Valo struct ath6kl_vif *vif = netdev_priv(dev); 266510509f90SKalle Valo u16 interval; 266610509f90SKalle Valo int ret; 266710509f90SKalle Valo u8 i; 266810509f90SKalle Valo 266910509f90SKalle Valo if (ar->state != ATH6KL_STATE_ON) 267010509f90SKalle Valo return -EIO; 267110509f90SKalle Valo 267210509f90SKalle Valo if (vif->sme_state != SME_DISCONNECTED) 267310509f90SKalle Valo return -EBUSY; 267410509f90SKalle Valo 267510509f90SKalle Valo for (i = 0; i < ar->wiphy->max_sched_scan_ssids; i++) { 267610509f90SKalle Valo ath6kl_wmi_probedssid_cmd(ar->wmi, vif->fw_vif_idx, 267710509f90SKalle Valo i, DISABLE_SSID_FLAG, 267810509f90SKalle Valo 0, NULL); 267910509f90SKalle Valo } 268010509f90SKalle Valo 268110509f90SKalle Valo /* fw uses seconds, also make sure that it's >0 */ 268210509f90SKalle Valo interval = max_t(u16, 1, request->interval / 1000); 268310509f90SKalle Valo 268410509f90SKalle Valo ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx, 268510509f90SKalle Valo interval, interval, 268610509f90SKalle Valo 10, 0, 0, 0, 3, 0, 0, 0); 268710509f90SKalle Valo 268810509f90SKalle Valo if (request->n_ssids && request->ssids[0].ssid_len) { 268910509f90SKalle Valo for (i = 0; i < request->n_ssids; i++) { 269010509f90SKalle Valo ath6kl_wmi_probedssid_cmd(ar->wmi, vif->fw_vif_idx, 269110509f90SKalle Valo i, SPECIFIC_SSID_FLAG, 269210509f90SKalle Valo request->ssids[i].ssid_len, 269310509f90SKalle Valo request->ssids[i].ssid); 269410509f90SKalle Valo } 269510509f90SKalle Valo } 269610509f90SKalle Valo 269710509f90SKalle Valo ret = ath6kl_wmi_set_wow_mode_cmd(ar->wmi, vif->fw_vif_idx, 269810509f90SKalle Valo ATH6KL_WOW_MODE_ENABLE, 269910509f90SKalle Valo WOW_FILTER_SSID, 270010509f90SKalle Valo WOW_HOST_REQ_DELAY); 270110509f90SKalle Valo if (ret) { 270210509f90SKalle Valo ath6kl_warn("Failed to enable wow with ssid filter: %d\n", ret); 270310509f90SKalle Valo return ret; 270410509f90SKalle Valo } 270510509f90SKalle Valo 270610509f90SKalle Valo /* this also clears IE in fw if it's not set */ 270710509f90SKalle Valo ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, 270810509f90SKalle Valo WMI_FRAME_PROBE_REQ, 270910509f90SKalle Valo request->ie, request->ie_len); 271010509f90SKalle Valo if (ret) { 271110509f90SKalle Valo ath6kl_warn("Failed to set probe request IE for scheduled scan: %d", 271210509f90SKalle Valo ret); 271310509f90SKalle Valo return ret; 271410509f90SKalle Valo } 271510509f90SKalle Valo 271610509f90SKalle Valo ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx, 271710509f90SKalle Valo ATH6KL_HOST_MODE_ASLEEP); 271810509f90SKalle Valo if (ret) { 271910509f90SKalle Valo ath6kl_warn("Failed to enable host sleep mode for sched scan: %d\n", 272010509f90SKalle Valo ret); 272110509f90SKalle Valo return ret; 272210509f90SKalle Valo } 272310509f90SKalle Valo 272410509f90SKalle Valo ar->state = ATH6KL_STATE_SCHED_SCAN; 272510509f90SKalle Valo 272610509f90SKalle Valo return ret; 272710509f90SKalle Valo } 272810509f90SKalle Valo 272910509f90SKalle Valo static int ath6kl_cfg80211_sscan_stop(struct wiphy *wiphy, 273010509f90SKalle Valo struct net_device *dev) 273110509f90SKalle Valo { 273210509f90SKalle Valo struct ath6kl_vif *vif = netdev_priv(dev); 273310509f90SKalle Valo bool stopped; 273410509f90SKalle Valo 273510509f90SKalle Valo stopped = __ath6kl_cfg80211_sscan_stop(vif); 273610509f90SKalle Valo 273710509f90SKalle Valo if (!stopped) 273810509f90SKalle Valo return -EIO; 273910509f90SKalle Valo 274010509f90SKalle Valo return 0; 274110509f90SKalle Valo } 274210509f90SKalle Valo 2743f80574aeSJouni Malinen static const struct ieee80211_txrx_stypes 2744f80574aeSJouni Malinen ath6kl_mgmt_stypes[NUM_NL80211_IFTYPES] = { 2745f80574aeSJouni Malinen [NL80211_IFTYPE_STATION] = { 2746f80574aeSJouni Malinen .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 2747f80574aeSJouni Malinen BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 2748f80574aeSJouni Malinen .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 2749f80574aeSJouni Malinen BIT(IEEE80211_STYPE_PROBE_REQ >> 4) 2750f80574aeSJouni Malinen }, 2751ba1f6fe3SJouni Malinen [NL80211_IFTYPE_AP] = { 2752ba1f6fe3SJouni Malinen .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 2753ba1f6fe3SJouni Malinen BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 2754ba1f6fe3SJouni Malinen .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 2755ba1f6fe3SJouni Malinen BIT(IEEE80211_STYPE_PROBE_REQ >> 4) 2756ba1f6fe3SJouni Malinen }, 2757f80574aeSJouni Malinen [NL80211_IFTYPE_P2P_CLIENT] = { 2758f80574aeSJouni Malinen .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 2759f80574aeSJouni Malinen BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 2760f80574aeSJouni Malinen .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 2761f80574aeSJouni Malinen BIT(IEEE80211_STYPE_PROBE_REQ >> 4) 2762f80574aeSJouni Malinen }, 2763f80574aeSJouni Malinen [NL80211_IFTYPE_P2P_GO] = { 2764f80574aeSJouni Malinen .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 2765f80574aeSJouni Malinen BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 2766f80574aeSJouni Malinen .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 2767f80574aeSJouni Malinen BIT(IEEE80211_STYPE_PROBE_REQ >> 4) 2768f80574aeSJouni Malinen }, 2769f80574aeSJouni Malinen }; 2770f80574aeSJouni Malinen 2771bdcd8170SKalle Valo static struct cfg80211_ops ath6kl_cfg80211_ops = { 277255055976SVasanthakumar Thiagarajan .add_virtual_intf = ath6kl_cfg80211_add_iface, 277355055976SVasanthakumar Thiagarajan .del_virtual_intf = ath6kl_cfg80211_del_iface, 2774bdcd8170SKalle Valo .change_virtual_intf = ath6kl_cfg80211_change_iface, 2775bdcd8170SKalle Valo .scan = ath6kl_cfg80211_scan, 2776bdcd8170SKalle Valo .connect = ath6kl_cfg80211_connect, 2777bdcd8170SKalle Valo .disconnect = ath6kl_cfg80211_disconnect, 2778bdcd8170SKalle Valo .add_key = ath6kl_cfg80211_add_key, 2779bdcd8170SKalle Valo .get_key = ath6kl_cfg80211_get_key, 2780bdcd8170SKalle Valo .del_key = ath6kl_cfg80211_del_key, 2781bdcd8170SKalle Valo .set_default_key = ath6kl_cfg80211_set_default_key, 2782bdcd8170SKalle Valo .set_wiphy_params = ath6kl_cfg80211_set_wiphy_params, 2783bdcd8170SKalle Valo .set_tx_power = ath6kl_cfg80211_set_txpower, 2784bdcd8170SKalle Valo .get_tx_power = ath6kl_cfg80211_get_txpower, 2785bdcd8170SKalle Valo .set_power_mgmt = ath6kl_cfg80211_set_power_mgmt, 2786bdcd8170SKalle Valo .join_ibss = ath6kl_cfg80211_join_ibss, 2787bdcd8170SKalle Valo .leave_ibss = ath6kl_cfg80211_leave_ibss, 2788bdcd8170SKalle Valo .get_station = ath6kl_get_station, 2789bdcd8170SKalle Valo .set_pmksa = ath6kl_set_pmksa, 2790bdcd8170SKalle Valo .del_pmksa = ath6kl_del_pmksa, 2791bdcd8170SKalle Valo .flush_pmksa = ath6kl_flush_pmksa, 2792003353b0SKalle Valo CFG80211_TESTMODE_CMD(ath6kl_tm_cmd) 2793abcb344bSKalle Valo #ifdef CONFIG_PM 279452d81a68SKalle Valo .suspend = __ath6kl_cfg80211_suspend, 279552d81a68SKalle Valo .resume = __ath6kl_cfg80211_resume, 2796abcb344bSKalle Valo #endif 27976a7c9badSJouni Malinen .set_channel = ath6kl_set_channel, 27988860020eSJohannes Berg .start_ap = ath6kl_start_ap, 27998860020eSJohannes Berg .change_beacon = ath6kl_change_beacon, 28008860020eSJohannes Berg .stop_ap = ath6kl_stop_ap, 280133e5308dSJouni Malinen .del_station = ath6kl_del_station, 280223875136SJouni Malinen .change_station = ath6kl_change_station, 280363fa1e0cSJouni Malinen .remain_on_channel = ath6kl_remain_on_channel, 280463fa1e0cSJouni Malinen .cancel_remain_on_channel = ath6kl_cancel_remain_on_channel, 28058a6c8060SJouni Malinen .mgmt_tx = ath6kl_mgmt_tx, 2806ae32c30aSJouni Malinen .mgmt_frame_register = ath6kl_mgmt_frame_register, 280710509f90SKalle Valo .sched_scan_start = ath6kl_cfg80211_sscan_start, 280810509f90SKalle Valo .sched_scan_stop = ath6kl_cfg80211_sscan_stop, 2809bdcd8170SKalle Valo }; 2810bdcd8170SKalle Valo 28117125f01dSKalle Valo void ath6kl_cfg80211_stop(struct ath6kl_vif *vif) 2812ec4b7f60SKalle Valo { 281310509f90SKalle Valo ath6kl_cfg80211_sscan_disable(vif); 281410509f90SKalle Valo 2815ec4b7f60SKalle Valo switch (vif->sme_state) { 2816c97a31b0SKalle Valo case SME_DISCONNECTED: 2817c97a31b0SKalle Valo break; 2818ec4b7f60SKalle Valo case SME_CONNECTING: 2819ec4b7f60SKalle Valo cfg80211_connect_result(vif->ndev, vif->bssid, NULL, 0, 2820ec4b7f60SKalle Valo NULL, 0, 2821ec4b7f60SKalle Valo WLAN_STATUS_UNSPECIFIED_FAILURE, 2822ec4b7f60SKalle Valo GFP_KERNEL); 2823ec4b7f60SKalle Valo break; 2824ec4b7f60SKalle Valo case SME_CONNECTED: 2825ec4b7f60SKalle Valo cfg80211_disconnected(vif->ndev, 0, NULL, 0, GFP_KERNEL); 2826ec4b7f60SKalle Valo break; 2827ec4b7f60SKalle Valo } 2828ec4b7f60SKalle Valo 2829ec4b7f60SKalle Valo if (test_bit(CONNECTED, &vif->flags) || 2830ec4b7f60SKalle Valo test_bit(CONNECT_PEND, &vif->flags)) 28317125f01dSKalle Valo ath6kl_wmi_disconnect_cmd(vif->ar->wmi, vif->fw_vif_idx); 2832ec4b7f60SKalle Valo 2833ec4b7f60SKalle Valo vif->sme_state = SME_DISCONNECTED; 28341f405255SKalle Valo clear_bit(CONNECTED, &vif->flags); 28351f405255SKalle Valo clear_bit(CONNECT_PEND, &vif->flags); 2836ec4b7f60SKalle Valo 2837ec4b7f60SKalle Valo /* disable scanning */ 28387125f01dSKalle Valo if (ath6kl_wmi_scanparams_cmd(vif->ar->wmi, vif->fw_vif_idx, 0xFFFF, 28397125f01dSKalle Valo 0, 0, 0, 0, 0, 0, 0, 0, 0) != 0) 28407125f01dSKalle Valo ath6kl_warn("failed to disable scan during stop\n"); 2841ec4b7f60SKalle Valo 2842ec4b7f60SKalle Valo ath6kl_cfg80211_scan_complete_event(vif, true); 2843ec4b7f60SKalle Valo } 2844ec4b7f60SKalle Valo 28457125f01dSKalle Valo void ath6kl_cfg80211_stop_all(struct ath6kl *ar) 28467125f01dSKalle Valo { 28477125f01dSKalle Valo struct ath6kl_vif *vif; 28487125f01dSKalle Valo 28497125f01dSKalle Valo vif = ath6kl_vif_first(ar); 28507125f01dSKalle Valo if (!vif) { 28517125f01dSKalle Valo /* save the current power mode before enabling power save */ 28527125f01dSKalle Valo ar->wmi->saved_pwr_mode = ar->wmi->pwr_mode; 28537125f01dSKalle Valo 28547125f01dSKalle Valo if (ath6kl_wmi_powermode_cmd(ar->wmi, 0, REC_POWER) != 0) 28557125f01dSKalle Valo ath6kl_warn("ath6kl_deep_sleep_enable: " 28567125f01dSKalle Valo "wmi_powermode_cmd failed\n"); 28577125f01dSKalle Valo return; 28587125f01dSKalle Valo } 28597125f01dSKalle Valo 28607125f01dSKalle Valo /* 28617125f01dSKalle Valo * FIXME: we should take ar->list_lock to protect changes in the 28627125f01dSKalle Valo * vif_list, but that's not trivial to do as ath6kl_cfg80211_stop() 28637125f01dSKalle Valo * sleeps. 28647125f01dSKalle Valo */ 28657125f01dSKalle Valo list_for_each_entry(vif, &ar->vif_list, list) 28667125f01dSKalle Valo ath6kl_cfg80211_stop(vif); 28677125f01dSKalle Valo } 28687125f01dSKalle Valo 2869c25889e8SKalle Valo static int ath6kl_cfg80211_vif_init(struct ath6kl_vif *vif) 28708dafb70eSVasanthakumar Thiagarajan { 28717baef812SVasanthakumar Thiagarajan vif->aggr_cntxt = aggr_init(vif); 28722132c69cSVasanthakumar Thiagarajan if (!vif->aggr_cntxt) { 28738dafb70eSVasanthakumar Thiagarajan ath6kl_err("failed to initialize aggr\n"); 28748dafb70eSVasanthakumar Thiagarajan return -ENOMEM; 28758dafb70eSVasanthakumar Thiagarajan } 28768dafb70eSVasanthakumar Thiagarajan 2877de3ad713SVasanthakumar Thiagarajan setup_timer(&vif->disconnect_timer, disconnect_timer_handler, 2878108438bcSVasanthakumar Thiagarajan (unsigned long) vif->ndev); 287910509f90SKalle Valo setup_timer(&vif->sched_scan_timer, ath6kl_wmi_sscan_timer, 288010509f90SKalle Valo (unsigned long) vif); 288110509f90SKalle Valo 2882de3ad713SVasanthakumar Thiagarajan set_bit(WMM_ENABLED, &vif->flags); 2883478ac027SVasanthakumar Thiagarajan spin_lock_init(&vif->if_lock); 28848dafb70eSVasanthakumar Thiagarajan 288580abaf9bSVasanthakumar Thiagarajan INIT_LIST_HEAD(&vif->mc_filter); 288680abaf9bSVasanthakumar Thiagarajan 28878dafb70eSVasanthakumar Thiagarajan return 0; 28888dafb70eSVasanthakumar Thiagarajan } 28898dafb70eSVasanthakumar Thiagarajan 2890c25889e8SKalle Valo void ath6kl_cfg80211_vif_cleanup(struct ath6kl_vif *vif) 28918dafb70eSVasanthakumar Thiagarajan { 289255055976SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 289380abaf9bSVasanthakumar Thiagarajan struct ath6kl_mc_filter *mc_filter, *tmp; 289455055976SVasanthakumar Thiagarajan 28952132c69cSVasanthakumar Thiagarajan aggr_module_destroy(vif->aggr_cntxt); 2896108438bcSVasanthakumar Thiagarajan 289755055976SVasanthakumar Thiagarajan ar->avail_idx_map |= BIT(vif->fw_vif_idx); 289855055976SVasanthakumar Thiagarajan 289955055976SVasanthakumar Thiagarajan if (vif->nw_type == ADHOC_NETWORK) 290055055976SVasanthakumar Thiagarajan ar->ibss_if_active = false; 290155055976SVasanthakumar Thiagarajan 290280abaf9bSVasanthakumar Thiagarajan list_for_each_entry_safe(mc_filter, tmp, &vif->mc_filter, list) { 290380abaf9bSVasanthakumar Thiagarajan list_del(&mc_filter->list); 290480abaf9bSVasanthakumar Thiagarajan kfree(mc_filter); 290580abaf9bSVasanthakumar Thiagarajan } 290680abaf9bSVasanthakumar Thiagarajan 290727929723SVasanthakumar Thiagarajan unregister_netdevice(vif->ndev); 290855055976SVasanthakumar Thiagarajan 290955055976SVasanthakumar Thiagarajan ar->num_vif--; 29108dafb70eSVasanthakumar Thiagarajan } 29118dafb70eSVasanthakumar Thiagarajan 29128dafb70eSVasanthakumar Thiagarajan struct net_device *ath6kl_interface_add(struct ath6kl *ar, char *name, 291355055976SVasanthakumar Thiagarajan enum nl80211_iftype type, u8 fw_vif_idx, 291455055976SVasanthakumar Thiagarajan u8 nw_type) 29158dafb70eSVasanthakumar Thiagarajan { 29168dafb70eSVasanthakumar Thiagarajan struct net_device *ndev; 2917108438bcSVasanthakumar Thiagarajan struct ath6kl_vif *vif; 29188dafb70eSVasanthakumar Thiagarajan 291955055976SVasanthakumar Thiagarajan ndev = alloc_netdev(sizeof(*vif), name, ether_setup); 29208dafb70eSVasanthakumar Thiagarajan if (!ndev) 29218dafb70eSVasanthakumar Thiagarajan return NULL; 29228dafb70eSVasanthakumar Thiagarajan 2923108438bcSVasanthakumar Thiagarajan vif = netdev_priv(ndev); 2924108438bcSVasanthakumar Thiagarajan ndev->ieee80211_ptr = &vif->wdev; 2925108438bcSVasanthakumar Thiagarajan vif->wdev.wiphy = ar->wiphy; 2926108438bcSVasanthakumar Thiagarajan vif->ar = ar; 2927108438bcSVasanthakumar Thiagarajan vif->ndev = ndev; 2928108438bcSVasanthakumar Thiagarajan SET_NETDEV_DEV(ndev, wiphy_dev(vif->wdev.wiphy)); 2929108438bcSVasanthakumar Thiagarajan vif->wdev.netdev = ndev; 2930108438bcSVasanthakumar Thiagarajan vif->wdev.iftype = type; 2931334234b5SVasanthakumar Thiagarajan vif->fw_vif_idx = fw_vif_idx; 293255055976SVasanthakumar Thiagarajan vif->nw_type = vif->next_mode = nw_type; 29338dafb70eSVasanthakumar Thiagarajan 293455055976SVasanthakumar Thiagarajan memcpy(ndev->dev_addr, ar->mac_addr, ETH_ALEN); 293555055976SVasanthakumar Thiagarajan if (fw_vif_idx != 0) 293655055976SVasanthakumar Thiagarajan ndev->dev_addr[0] = (ndev->dev_addr[0] ^ (1 << fw_vif_idx)) | 293755055976SVasanthakumar Thiagarajan 0x2; 293855055976SVasanthakumar Thiagarajan 29398dafb70eSVasanthakumar Thiagarajan init_netdev(ndev); 29408dafb70eSVasanthakumar Thiagarajan 2941e29f25f5SVasanthakumar Thiagarajan ath6kl_init_control_info(vif); 29428dafb70eSVasanthakumar Thiagarajan 2943c25889e8SKalle Valo if (ath6kl_cfg80211_vif_init(vif)) 29448dafb70eSVasanthakumar Thiagarajan goto err; 29458dafb70eSVasanthakumar Thiagarajan 294627929723SVasanthakumar Thiagarajan if (register_netdevice(ndev)) 29478dafb70eSVasanthakumar Thiagarajan goto err; 29488dafb70eSVasanthakumar Thiagarajan 294955055976SVasanthakumar Thiagarajan ar->avail_idx_map &= ~BIT(fw_vif_idx); 295014ee6f6bSVasanthakumar Thiagarajan vif->sme_state = SME_DISCONNECTED; 295159c98449SVasanthakumar Thiagarajan set_bit(WLAN_ENABLED, &vif->flags); 29528dafb70eSVasanthakumar Thiagarajan ar->wlan_pwr_state = WLAN_POWER_STATE_ON; 295359c98449SVasanthakumar Thiagarajan set_bit(NETDEV_REGISTERED, &vif->flags); 29548dafb70eSVasanthakumar Thiagarajan 295555055976SVasanthakumar Thiagarajan if (type == NL80211_IFTYPE_ADHOC) 295655055976SVasanthakumar Thiagarajan ar->ibss_if_active = true; 295755055976SVasanthakumar Thiagarajan 295811f6e40dSVasanthakumar Thiagarajan spin_lock_bh(&ar->list_lock); 2959990bd915SVasanthakumar Thiagarajan list_add_tail(&vif->list, &ar->vif_list); 296011f6e40dSVasanthakumar Thiagarajan spin_unlock_bh(&ar->list_lock); 2961990bd915SVasanthakumar Thiagarajan 29628dafb70eSVasanthakumar Thiagarajan return ndev; 29638dafb70eSVasanthakumar Thiagarajan 29648dafb70eSVasanthakumar Thiagarajan err: 296527929723SVasanthakumar Thiagarajan aggr_module_destroy(vif->aggr_cntxt); 296627929723SVasanthakumar Thiagarajan free_netdev(ndev); 2967bdcd8170SKalle Valo return NULL; 2968bdcd8170SKalle Valo } 2969bdcd8170SKalle Valo 297046d33a21SKalle Valo int ath6kl_cfg80211_init(struct ath6kl *ar) 297146d33a21SKalle Valo { 297246d33a21SKalle Valo struct wiphy *wiphy = ar->wiphy; 297346d33a21SKalle Valo int ret; 297446d33a21SKalle Valo 297546d33a21SKalle Valo wiphy->mgmt_stypes = ath6kl_mgmt_stypes; 297646d33a21SKalle Valo 297746d33a21SKalle Valo wiphy->max_remain_on_channel_duration = 5000; 297846d33a21SKalle Valo 297946d33a21SKalle Valo /* set device pointer for wiphy */ 298046d33a21SKalle Valo set_wiphy_dev(wiphy, ar->dev); 298146d33a21SKalle Valo 298246d33a21SKalle Valo wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | 298346d33a21SKalle Valo BIT(NL80211_IFTYPE_ADHOC) | 298446d33a21SKalle Valo BIT(NL80211_IFTYPE_AP); 298546d33a21SKalle Valo if (ar->p2p) { 298646d33a21SKalle Valo wiphy->interface_modes |= BIT(NL80211_IFTYPE_P2P_GO) | 298746d33a21SKalle Valo BIT(NL80211_IFTYPE_P2P_CLIENT); 298846d33a21SKalle Valo } 298946d33a21SKalle Valo 299046d33a21SKalle Valo /* max num of ssids that can be probed during scanning */ 299146d33a21SKalle Valo wiphy->max_scan_ssids = MAX_PROBED_SSID_INDEX; 299246d33a21SKalle Valo wiphy->max_scan_ie_len = 1000; /* FIX: what is correct limit? */ 299346d33a21SKalle Valo wiphy->bands[IEEE80211_BAND_2GHZ] = &ath6kl_band_2ghz; 299446d33a21SKalle Valo wiphy->bands[IEEE80211_BAND_5GHZ] = &ath6kl_band_5ghz; 299546d33a21SKalle Valo wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; 299646d33a21SKalle Valo 299746d33a21SKalle Valo wiphy->cipher_suites = cipher_suites; 299846d33a21SKalle Valo wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites); 299946d33a21SKalle Valo 300046d33a21SKalle Valo wiphy->wowlan.flags = WIPHY_WOWLAN_MAGIC_PKT | 300146d33a21SKalle Valo WIPHY_WOWLAN_DISCONNECT | 300246d33a21SKalle Valo WIPHY_WOWLAN_GTK_REKEY_FAILURE | 300346d33a21SKalle Valo WIPHY_WOWLAN_SUPPORTS_GTK_REKEY | 300446d33a21SKalle Valo WIPHY_WOWLAN_EAP_IDENTITY_REQ | 300546d33a21SKalle Valo WIPHY_WOWLAN_4WAY_HANDSHAKE; 300646d33a21SKalle Valo wiphy->wowlan.n_patterns = WOW_MAX_FILTERS_PER_LIST; 300746d33a21SKalle Valo wiphy->wowlan.pattern_min_len = 1; 300846d33a21SKalle Valo wiphy->wowlan.pattern_max_len = WOW_PATTERN_SIZE; 300946d33a21SKalle Valo 301046d33a21SKalle Valo wiphy->max_sched_scan_ssids = 10; 301146d33a21SKalle Valo 301246d33a21SKalle Valo ret = wiphy_register(wiphy); 301346d33a21SKalle Valo if (ret < 0) { 301446d33a21SKalle Valo ath6kl_err("couldn't register wiphy device\n"); 301546d33a21SKalle Valo return ret; 301646d33a21SKalle Valo } 301746d33a21SKalle Valo 301846d33a21SKalle Valo return 0; 301946d33a21SKalle Valo } 302046d33a21SKalle Valo 302146d33a21SKalle Valo void ath6kl_cfg80211_cleanup(struct ath6kl *ar) 3022bdcd8170SKalle Valo { 3023be98e3a4SVasanthakumar Thiagarajan wiphy_unregister(ar->wiphy); 302445eaa78fSKalle Valo } 302546d33a21SKalle Valo 302645eaa78fSKalle Valo struct ath6kl *ath6kl_cfg80211_create(void) 302745eaa78fSKalle Valo { 302845eaa78fSKalle Valo struct ath6kl *ar; 302945eaa78fSKalle Valo struct wiphy *wiphy; 303045eaa78fSKalle Valo 303145eaa78fSKalle Valo /* create a new wiphy for use with cfg80211 */ 303245eaa78fSKalle Valo wiphy = wiphy_new(&ath6kl_cfg80211_ops, sizeof(struct ath6kl)); 303345eaa78fSKalle Valo 303445eaa78fSKalle Valo if (!wiphy) { 303545eaa78fSKalle Valo ath6kl_err("couldn't allocate wiphy device\n"); 303645eaa78fSKalle Valo return NULL; 303745eaa78fSKalle Valo } 303845eaa78fSKalle Valo 303945eaa78fSKalle Valo ar = wiphy_priv(wiphy); 304045eaa78fSKalle Valo ar->wiphy = wiphy; 304145eaa78fSKalle Valo 304245eaa78fSKalle Valo return ar; 304345eaa78fSKalle Valo } 304445eaa78fSKalle Valo 304545eaa78fSKalle Valo /* Note: ar variable must not be accessed after calling this! */ 304645eaa78fSKalle Valo void ath6kl_cfg80211_destroy(struct ath6kl *ar) 304745eaa78fSKalle Valo { 30481d2a4456SVasanthakumar Thiagarajan int i; 30491d2a4456SVasanthakumar Thiagarajan 30501d2a4456SVasanthakumar Thiagarajan for (i = 0; i < AP_MAX_NUM_STA; i++) 30511d2a4456SVasanthakumar Thiagarajan kfree(ar->sta_list[i].aggr_conn); 30521d2a4456SVasanthakumar Thiagarajan 3053be98e3a4SVasanthakumar Thiagarajan wiphy_free(ar->wiphy); 3054bdcd8170SKalle Valo } 305545eaa78fSKalle Valo 3056