1bdcd8170SKalle Valo /* 2bdcd8170SKalle Valo * Copyright (c) 2004-2011 Atheros Communications Inc. 31b2df407SVasanthakumar Thiagarajan * Copyright (c) 2011-2012 Qualcomm Atheros, Inc. 4bdcd8170SKalle Valo * 5bdcd8170SKalle Valo * Permission to use, copy, modify, and/or distribute this software for any 6bdcd8170SKalle Valo * purpose with or without fee is hereby granted, provided that the above 7bdcd8170SKalle Valo * copyright notice and this permission notice appear in all copies. 8bdcd8170SKalle Valo * 9bdcd8170SKalle Valo * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10bdcd8170SKalle Valo * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11bdcd8170SKalle Valo * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12bdcd8170SKalle Valo * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13bdcd8170SKalle Valo * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14bdcd8170SKalle Valo * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15bdcd8170SKalle Valo * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16bdcd8170SKalle Valo */ 17bdcd8170SKalle Valo 18516304b0SJoe Perches #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt 19516304b0SJoe Perches 206eb07cafSPaul Gortmaker #include <linux/moduleparam.h> 21c08631c6SRaja Mani #include <linux/inetdevice.h> 22d6a434d6SKalle Valo #include <linux/export.h> 236eb07cafSPaul Gortmaker 24bdcd8170SKalle Valo #include "core.h" 25bdcd8170SKalle Valo #include "cfg80211.h" 26bdcd8170SKalle Valo #include "debug.h" 27abcb344bSKalle Valo #include "hif-ops.h" 28003353b0SKalle Valo #include "testmode.h" 29bdcd8170SKalle Valo 30bdcd8170SKalle Valo #define RATETAB_ENT(_rate, _rateid, _flags) { \ 31bdcd8170SKalle Valo .bitrate = (_rate), \ 32bdcd8170SKalle Valo .flags = (_flags), \ 33bdcd8170SKalle Valo .hw_value = (_rateid), \ 34bdcd8170SKalle Valo } 35bdcd8170SKalle Valo 36bdcd8170SKalle Valo #define CHAN2G(_channel, _freq, _flags) { \ 37bdcd8170SKalle Valo .band = IEEE80211_BAND_2GHZ, \ 38bdcd8170SKalle Valo .hw_value = (_channel), \ 39bdcd8170SKalle Valo .center_freq = (_freq), \ 40bdcd8170SKalle Valo .flags = (_flags), \ 41bdcd8170SKalle Valo .max_antenna_gain = 0, \ 42bdcd8170SKalle Valo .max_power = 30, \ 43bdcd8170SKalle Valo } 44bdcd8170SKalle Valo 45bdcd8170SKalle Valo #define CHAN5G(_channel, _flags) { \ 46bdcd8170SKalle Valo .band = IEEE80211_BAND_5GHZ, \ 47bdcd8170SKalle Valo .hw_value = (_channel), \ 48bdcd8170SKalle Valo .center_freq = 5000 + (5 * (_channel)), \ 49bdcd8170SKalle Valo .flags = (_flags), \ 50bdcd8170SKalle Valo .max_antenna_gain = 0, \ 51bdcd8170SKalle Valo .max_power = 30, \ 52bdcd8170SKalle Valo } 53bdcd8170SKalle Valo 54f599359cSBala Shanmugam #define DEFAULT_BG_SCAN_PERIOD 60 55f599359cSBala Shanmugam 56bdcd8170SKalle Valo static struct ieee80211_rate ath6kl_rates[] = { 57bdcd8170SKalle Valo RATETAB_ENT(10, 0x1, 0), 58bdcd8170SKalle Valo RATETAB_ENT(20, 0x2, 0), 59bdcd8170SKalle Valo RATETAB_ENT(55, 0x4, 0), 60bdcd8170SKalle Valo RATETAB_ENT(110, 0x8, 0), 61bdcd8170SKalle Valo RATETAB_ENT(60, 0x10, 0), 62bdcd8170SKalle Valo RATETAB_ENT(90, 0x20, 0), 63bdcd8170SKalle Valo RATETAB_ENT(120, 0x40, 0), 64bdcd8170SKalle Valo RATETAB_ENT(180, 0x80, 0), 65bdcd8170SKalle Valo RATETAB_ENT(240, 0x100, 0), 66bdcd8170SKalle Valo RATETAB_ENT(360, 0x200, 0), 67bdcd8170SKalle Valo RATETAB_ENT(480, 0x400, 0), 68bdcd8170SKalle Valo RATETAB_ENT(540, 0x800, 0), 69bdcd8170SKalle Valo }; 70bdcd8170SKalle Valo 71bdcd8170SKalle Valo #define ath6kl_a_rates (ath6kl_rates + 4) 72bdcd8170SKalle Valo #define ath6kl_a_rates_size 8 73bdcd8170SKalle Valo #define ath6kl_g_rates (ath6kl_rates + 0) 74bdcd8170SKalle Valo #define ath6kl_g_rates_size 12 75bdcd8170SKalle Valo 76bed56e31SVasanthakumar Thiagarajan #define ath6kl_g_htcap IEEE80211_HT_CAP_SGI_20 77bed56e31SVasanthakumar Thiagarajan #define ath6kl_a_htcap (IEEE80211_HT_CAP_SUP_WIDTH_20_40 | \ 78faaf1929SVasanthakumar Thiagarajan IEEE80211_HT_CAP_SGI_20 | \ 79faaf1929SVasanthakumar Thiagarajan IEEE80211_HT_CAP_SGI_40) 80faaf1929SVasanthakumar Thiagarajan 81bdcd8170SKalle Valo static struct ieee80211_channel ath6kl_2ghz_channels[] = { 82bdcd8170SKalle Valo CHAN2G(1, 2412, 0), 83bdcd8170SKalle Valo CHAN2G(2, 2417, 0), 84bdcd8170SKalle Valo CHAN2G(3, 2422, 0), 85bdcd8170SKalle Valo CHAN2G(4, 2427, 0), 86bdcd8170SKalle Valo CHAN2G(5, 2432, 0), 87bdcd8170SKalle Valo CHAN2G(6, 2437, 0), 88bdcd8170SKalle Valo CHAN2G(7, 2442, 0), 89bdcd8170SKalle Valo CHAN2G(8, 2447, 0), 90bdcd8170SKalle Valo CHAN2G(9, 2452, 0), 91bdcd8170SKalle Valo CHAN2G(10, 2457, 0), 92bdcd8170SKalle Valo CHAN2G(11, 2462, 0), 93bdcd8170SKalle Valo CHAN2G(12, 2467, 0), 94bdcd8170SKalle Valo CHAN2G(13, 2472, 0), 95bdcd8170SKalle Valo CHAN2G(14, 2484, 0), 96bdcd8170SKalle Valo }; 97bdcd8170SKalle Valo 98bdcd8170SKalle Valo static struct ieee80211_channel ath6kl_5ghz_a_channels[] = { 99bdcd8170SKalle Valo CHAN5G(34, 0), CHAN5G(36, 0), 100bdcd8170SKalle Valo CHAN5G(38, 0), CHAN5G(40, 0), 101bdcd8170SKalle Valo CHAN5G(42, 0), CHAN5G(44, 0), 102bdcd8170SKalle Valo CHAN5G(46, 0), CHAN5G(48, 0), 103bdcd8170SKalle Valo CHAN5G(52, 0), CHAN5G(56, 0), 104bdcd8170SKalle Valo CHAN5G(60, 0), CHAN5G(64, 0), 105bdcd8170SKalle Valo CHAN5G(100, 0), CHAN5G(104, 0), 106bdcd8170SKalle Valo CHAN5G(108, 0), CHAN5G(112, 0), 107bdcd8170SKalle Valo CHAN5G(116, 0), CHAN5G(120, 0), 108bdcd8170SKalle Valo CHAN5G(124, 0), CHAN5G(128, 0), 109bdcd8170SKalle Valo CHAN5G(132, 0), CHAN5G(136, 0), 110bdcd8170SKalle Valo CHAN5G(140, 0), CHAN5G(149, 0), 111bdcd8170SKalle Valo CHAN5G(153, 0), CHAN5G(157, 0), 112bdcd8170SKalle Valo CHAN5G(161, 0), CHAN5G(165, 0), 113bdcd8170SKalle Valo CHAN5G(184, 0), CHAN5G(188, 0), 114bdcd8170SKalle Valo CHAN5G(192, 0), CHAN5G(196, 0), 115bdcd8170SKalle Valo CHAN5G(200, 0), CHAN5G(204, 0), 116bdcd8170SKalle Valo CHAN5G(208, 0), CHAN5G(212, 0), 117bdcd8170SKalle Valo CHAN5G(216, 0), 118bdcd8170SKalle Valo }; 119bdcd8170SKalle Valo 120bdcd8170SKalle Valo static struct ieee80211_supported_band ath6kl_band_2ghz = { 121bdcd8170SKalle Valo .n_channels = ARRAY_SIZE(ath6kl_2ghz_channels), 122bdcd8170SKalle Valo .channels = ath6kl_2ghz_channels, 123bdcd8170SKalle Valo .n_bitrates = ath6kl_g_rates_size, 124bdcd8170SKalle Valo .bitrates = ath6kl_g_rates, 125faaf1929SVasanthakumar Thiagarajan .ht_cap.cap = ath6kl_g_htcap, 126faaf1929SVasanthakumar Thiagarajan .ht_cap.ht_supported = true, 127bdcd8170SKalle Valo }; 128bdcd8170SKalle Valo 129bdcd8170SKalle Valo static struct ieee80211_supported_band ath6kl_band_5ghz = { 130bdcd8170SKalle Valo .n_channels = ARRAY_SIZE(ath6kl_5ghz_a_channels), 131bdcd8170SKalle Valo .channels = ath6kl_5ghz_a_channels, 132bdcd8170SKalle Valo .n_bitrates = ath6kl_a_rates_size, 133bdcd8170SKalle Valo .bitrates = ath6kl_a_rates, 134bed56e31SVasanthakumar Thiagarajan .ht_cap.cap = ath6kl_a_htcap, 135faaf1929SVasanthakumar Thiagarajan .ht_cap.ht_supported = true, 136bdcd8170SKalle Valo }; 137bdcd8170SKalle Valo 138837cb97eSJouni Malinen #define CCKM_KRK_CIPHER_SUITE 0x004096ff /* use for KRK */ 139837cb97eSJouni Malinen 14010509f90SKalle Valo /* returns true if scheduled scan was stopped */ 14110509f90SKalle Valo static bool __ath6kl_cfg80211_sscan_stop(struct ath6kl_vif *vif) 14210509f90SKalle Valo { 14310509f90SKalle Valo struct ath6kl *ar = vif->ar; 14410509f90SKalle Valo 14510509f90SKalle Valo if (ar->state != ATH6KL_STATE_SCHED_SCAN) 14610509f90SKalle Valo return false; 14710509f90SKalle Valo 14810509f90SKalle Valo del_timer_sync(&vif->sched_scan_timer); 14910509f90SKalle Valo 15010509f90SKalle Valo ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx, 15110509f90SKalle Valo ATH6KL_HOST_MODE_AWAKE); 15210509f90SKalle Valo 15310509f90SKalle Valo ar->state = ATH6KL_STATE_ON; 15410509f90SKalle Valo 15510509f90SKalle Valo return true; 15610509f90SKalle Valo } 15710509f90SKalle Valo 15810509f90SKalle Valo static void ath6kl_cfg80211_sscan_disable(struct ath6kl_vif *vif) 15910509f90SKalle Valo { 16010509f90SKalle Valo struct ath6kl *ar = vif->ar; 16110509f90SKalle Valo bool stopped; 16210509f90SKalle Valo 16310509f90SKalle Valo stopped = __ath6kl_cfg80211_sscan_stop(vif); 16410509f90SKalle Valo 16510509f90SKalle Valo if (!stopped) 16610509f90SKalle Valo return; 16710509f90SKalle Valo 16810509f90SKalle Valo cfg80211_sched_scan_stopped(ar->wiphy); 16910509f90SKalle Valo } 17010509f90SKalle Valo 171240d2799SVasanthakumar Thiagarajan static int ath6kl_set_wpa_version(struct ath6kl_vif *vif, 172bdcd8170SKalle Valo enum nl80211_wpa_versions wpa_version) 173bdcd8170SKalle Valo { 174bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: %u\n", __func__, wpa_version); 175bdcd8170SKalle Valo 176bdcd8170SKalle Valo if (!wpa_version) { 1773450334fSVasanthakumar Thiagarajan vif->auth_mode = NONE_AUTH; 178bdcd8170SKalle Valo } else if (wpa_version & NL80211_WPA_VERSION_2) { 1793450334fSVasanthakumar Thiagarajan vif->auth_mode = WPA2_AUTH; 180bdcd8170SKalle Valo } else if (wpa_version & NL80211_WPA_VERSION_1) { 1813450334fSVasanthakumar Thiagarajan vif->auth_mode = WPA_AUTH; 182bdcd8170SKalle Valo } else { 183bdcd8170SKalle Valo ath6kl_err("%s: %u not supported\n", __func__, wpa_version); 184bdcd8170SKalle Valo return -ENOTSUPP; 185bdcd8170SKalle Valo } 186bdcd8170SKalle Valo 187bdcd8170SKalle Valo return 0; 188bdcd8170SKalle Valo } 189bdcd8170SKalle Valo 190240d2799SVasanthakumar Thiagarajan static int ath6kl_set_auth_type(struct ath6kl_vif *vif, 191bdcd8170SKalle Valo enum nl80211_auth_type auth_type) 192bdcd8170SKalle Valo { 193bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: 0x%x\n", __func__, auth_type); 194bdcd8170SKalle Valo 195bdcd8170SKalle Valo switch (auth_type) { 196bdcd8170SKalle Valo case NL80211_AUTHTYPE_OPEN_SYSTEM: 1973450334fSVasanthakumar Thiagarajan vif->dot11_auth_mode = OPEN_AUTH; 198bdcd8170SKalle Valo break; 199bdcd8170SKalle Valo case NL80211_AUTHTYPE_SHARED_KEY: 2003450334fSVasanthakumar Thiagarajan vif->dot11_auth_mode = SHARED_AUTH; 201bdcd8170SKalle Valo break; 202bdcd8170SKalle Valo case NL80211_AUTHTYPE_NETWORK_EAP: 2033450334fSVasanthakumar Thiagarajan vif->dot11_auth_mode = LEAP_AUTH; 204bdcd8170SKalle Valo break; 205bdcd8170SKalle Valo 206bdcd8170SKalle Valo case NL80211_AUTHTYPE_AUTOMATIC: 2073450334fSVasanthakumar Thiagarajan vif->dot11_auth_mode = OPEN_AUTH | SHARED_AUTH; 208bdcd8170SKalle Valo break; 209bdcd8170SKalle Valo 210bdcd8170SKalle Valo default: 2113c325fbdSMasanari Iida ath6kl_err("%s: 0x%x not supported\n", __func__, auth_type); 212bdcd8170SKalle Valo return -ENOTSUPP; 213bdcd8170SKalle Valo } 214bdcd8170SKalle Valo 215bdcd8170SKalle Valo return 0; 216bdcd8170SKalle Valo } 217bdcd8170SKalle Valo 218240d2799SVasanthakumar Thiagarajan static int ath6kl_set_cipher(struct ath6kl_vif *vif, u32 cipher, bool ucast) 219bdcd8170SKalle Valo { 2203450334fSVasanthakumar Thiagarajan u8 *ar_cipher = ucast ? &vif->prwise_crypto : &vif->grp_crypto; 2213450334fSVasanthakumar Thiagarajan u8 *ar_cipher_len = ucast ? &vif->prwise_crypto_len : 2223450334fSVasanthakumar Thiagarajan &vif->grp_crypto_len; 223bdcd8170SKalle Valo 224bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: cipher 0x%x, ucast %u\n", 225bdcd8170SKalle Valo __func__, cipher, ucast); 226bdcd8170SKalle Valo 227bdcd8170SKalle Valo switch (cipher) { 228bdcd8170SKalle Valo case 0: 229bdcd8170SKalle Valo /* our own hack to use value 0 as no crypto used */ 230bdcd8170SKalle Valo *ar_cipher = NONE_CRYPT; 231bdcd8170SKalle Valo *ar_cipher_len = 0; 232bdcd8170SKalle Valo break; 233bdcd8170SKalle Valo case WLAN_CIPHER_SUITE_WEP40: 234bdcd8170SKalle Valo *ar_cipher = WEP_CRYPT; 235bdcd8170SKalle Valo *ar_cipher_len = 5; 236bdcd8170SKalle Valo break; 237bdcd8170SKalle Valo case WLAN_CIPHER_SUITE_WEP104: 238bdcd8170SKalle Valo *ar_cipher = WEP_CRYPT; 239bdcd8170SKalle Valo *ar_cipher_len = 13; 240bdcd8170SKalle Valo break; 241bdcd8170SKalle Valo case WLAN_CIPHER_SUITE_TKIP: 242bdcd8170SKalle Valo *ar_cipher = TKIP_CRYPT; 243bdcd8170SKalle Valo *ar_cipher_len = 0; 244bdcd8170SKalle Valo break; 245bdcd8170SKalle Valo case WLAN_CIPHER_SUITE_CCMP: 246bdcd8170SKalle Valo *ar_cipher = AES_CRYPT; 247bdcd8170SKalle Valo *ar_cipher_len = 0; 248bdcd8170SKalle Valo break; 2495e07021eSDai Shuibing case WLAN_CIPHER_SUITE_SMS4: 2505e07021eSDai Shuibing *ar_cipher = WAPI_CRYPT; 2515e07021eSDai Shuibing *ar_cipher_len = 0; 2525e07021eSDai Shuibing break; 253bdcd8170SKalle Valo default: 254bdcd8170SKalle Valo ath6kl_err("cipher 0x%x not supported\n", cipher); 255bdcd8170SKalle Valo return -ENOTSUPP; 256bdcd8170SKalle Valo } 257bdcd8170SKalle Valo 258bdcd8170SKalle Valo return 0; 259bdcd8170SKalle Valo } 260bdcd8170SKalle Valo 261240d2799SVasanthakumar Thiagarajan static void ath6kl_set_key_mgmt(struct ath6kl_vif *vif, u32 key_mgmt) 262bdcd8170SKalle Valo { 263bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: 0x%x\n", __func__, key_mgmt); 264bdcd8170SKalle Valo 265bdcd8170SKalle Valo if (key_mgmt == WLAN_AKM_SUITE_PSK) { 2663450334fSVasanthakumar Thiagarajan if (vif->auth_mode == WPA_AUTH) 2673450334fSVasanthakumar Thiagarajan vif->auth_mode = WPA_PSK_AUTH; 2683450334fSVasanthakumar Thiagarajan else if (vif->auth_mode == WPA2_AUTH) 2693450334fSVasanthakumar Thiagarajan vif->auth_mode = WPA2_PSK_AUTH; 270837cb97eSJouni Malinen } else if (key_mgmt == 0x00409600) { 2713450334fSVasanthakumar Thiagarajan if (vif->auth_mode == WPA_AUTH) 2723450334fSVasanthakumar Thiagarajan vif->auth_mode = WPA_AUTH_CCKM; 2733450334fSVasanthakumar Thiagarajan else if (vif->auth_mode == WPA2_AUTH) 2743450334fSVasanthakumar Thiagarajan vif->auth_mode = WPA2_AUTH_CCKM; 275bdcd8170SKalle Valo } else if (key_mgmt != WLAN_AKM_SUITE_8021X) { 2763450334fSVasanthakumar Thiagarajan vif->auth_mode = NONE_AUTH; 277bdcd8170SKalle Valo } 278bdcd8170SKalle Valo } 279bdcd8170SKalle Valo 280990bd915SVasanthakumar Thiagarajan static bool ath6kl_cfg80211_ready(struct ath6kl_vif *vif) 281bdcd8170SKalle Valo { 282990bd915SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 28359c98449SVasanthakumar Thiagarajan 284bdcd8170SKalle Valo if (!test_bit(WMI_READY, &ar->flag)) { 285bdcd8170SKalle Valo ath6kl_err("wmi is not ready\n"); 286bdcd8170SKalle Valo return false; 287bdcd8170SKalle Valo } 288bdcd8170SKalle Valo 28959c98449SVasanthakumar Thiagarajan if (!test_bit(WLAN_ENABLED, &vif->flags)) { 290bdcd8170SKalle Valo ath6kl_err("wlan disabled\n"); 291bdcd8170SKalle Valo return false; 292bdcd8170SKalle Valo } 293bdcd8170SKalle Valo 294bdcd8170SKalle Valo return true; 295bdcd8170SKalle Valo } 296bdcd8170SKalle Valo 2976981ffdcSKevin Fang static bool ath6kl_is_wpa_ie(const u8 *pos) 2986981ffdcSKevin Fang { 2996981ffdcSKevin Fang return pos[0] == WLAN_EID_WPA && pos[1] >= 4 && 3006981ffdcSKevin Fang pos[2] == 0x00 && pos[3] == 0x50 && 3016981ffdcSKevin Fang pos[4] == 0xf2 && pos[5] == 0x01; 3026981ffdcSKevin Fang } 3036981ffdcSKevin Fang 3046981ffdcSKevin Fang static bool ath6kl_is_rsn_ie(const u8 *pos) 3056981ffdcSKevin Fang { 3066981ffdcSKevin Fang return pos[0] == WLAN_EID_RSN; 3076981ffdcSKevin Fang } 3086981ffdcSKevin Fang 30963541212SAarthi Thiruvengadam static bool ath6kl_is_wps_ie(const u8 *pos) 31063541212SAarthi Thiruvengadam { 31163541212SAarthi Thiruvengadam return (pos[0] == WLAN_EID_VENDOR_SPECIFIC && 31263541212SAarthi Thiruvengadam pos[1] >= 4 && 31363541212SAarthi Thiruvengadam pos[2] == 0x00 && pos[3] == 0x50 && pos[4] == 0xf2 && 31463541212SAarthi Thiruvengadam pos[5] == 0x04); 31563541212SAarthi Thiruvengadam } 31663541212SAarthi Thiruvengadam 317334234b5SVasanthakumar Thiagarajan static int ath6kl_set_assoc_req_ies(struct ath6kl_vif *vif, const u8 *ies, 3186981ffdcSKevin Fang size_t ies_len) 3196981ffdcSKevin Fang { 320334234b5SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 3216981ffdcSKevin Fang const u8 *pos; 3226981ffdcSKevin Fang u8 *buf = NULL; 3236981ffdcSKevin Fang size_t len = 0; 3246981ffdcSKevin Fang int ret; 3256981ffdcSKevin Fang 3266981ffdcSKevin Fang /* 32763541212SAarthi Thiruvengadam * Clear previously set flag 32863541212SAarthi Thiruvengadam */ 32963541212SAarthi Thiruvengadam 33063541212SAarthi Thiruvengadam ar->connect_ctrl_flags &= ~CONNECT_WPS_FLAG; 33163541212SAarthi Thiruvengadam 33263541212SAarthi Thiruvengadam /* 3336981ffdcSKevin Fang * Filter out RSN/WPA IE(s) 3346981ffdcSKevin Fang */ 3356981ffdcSKevin Fang 3366981ffdcSKevin Fang if (ies && ies_len) { 3376981ffdcSKevin Fang buf = kmalloc(ies_len, GFP_KERNEL); 3386981ffdcSKevin Fang if (buf == NULL) 3396981ffdcSKevin Fang return -ENOMEM; 3406981ffdcSKevin Fang pos = ies; 3416981ffdcSKevin Fang 3426981ffdcSKevin Fang while (pos + 1 < ies + ies_len) { 3436981ffdcSKevin Fang if (pos + 2 + pos[1] > ies + ies_len) 3446981ffdcSKevin Fang break; 3456981ffdcSKevin Fang if (!(ath6kl_is_wpa_ie(pos) || ath6kl_is_rsn_ie(pos))) { 3466981ffdcSKevin Fang memcpy(buf + len, pos, 2 + pos[1]); 3476981ffdcSKevin Fang len += 2 + pos[1]; 3486981ffdcSKevin Fang } 34963541212SAarthi Thiruvengadam 35063541212SAarthi Thiruvengadam if (ath6kl_is_wps_ie(pos)) 35163541212SAarthi Thiruvengadam ar->connect_ctrl_flags |= CONNECT_WPS_FLAG; 35263541212SAarthi Thiruvengadam 3536981ffdcSKevin Fang pos += 2 + pos[1]; 3546981ffdcSKevin Fang } 3556981ffdcSKevin Fang } 3566981ffdcSKevin Fang 357334234b5SVasanthakumar Thiagarajan ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, 358334234b5SVasanthakumar Thiagarajan WMI_FRAME_ASSOC_REQ, buf, len); 3596981ffdcSKevin Fang kfree(buf); 3606981ffdcSKevin Fang return ret; 3616981ffdcSKevin Fang } 3626981ffdcSKevin Fang 36355055976SVasanthakumar Thiagarajan static int ath6kl_nliftype_to_drv_iftype(enum nl80211_iftype type, u8 *nw_type) 36455055976SVasanthakumar Thiagarajan { 36555055976SVasanthakumar Thiagarajan switch (type) { 36655055976SVasanthakumar Thiagarajan case NL80211_IFTYPE_STATION: 36755055976SVasanthakumar Thiagarajan *nw_type = INFRA_NETWORK; 36855055976SVasanthakumar Thiagarajan break; 36955055976SVasanthakumar Thiagarajan case NL80211_IFTYPE_ADHOC: 37055055976SVasanthakumar Thiagarajan *nw_type = ADHOC_NETWORK; 37155055976SVasanthakumar Thiagarajan break; 37255055976SVasanthakumar Thiagarajan case NL80211_IFTYPE_AP: 37355055976SVasanthakumar Thiagarajan *nw_type = AP_NETWORK; 37455055976SVasanthakumar Thiagarajan break; 37555055976SVasanthakumar Thiagarajan case NL80211_IFTYPE_P2P_CLIENT: 37655055976SVasanthakumar Thiagarajan *nw_type = INFRA_NETWORK; 37755055976SVasanthakumar Thiagarajan break; 37855055976SVasanthakumar Thiagarajan case NL80211_IFTYPE_P2P_GO: 37955055976SVasanthakumar Thiagarajan *nw_type = AP_NETWORK; 38055055976SVasanthakumar Thiagarajan break; 38155055976SVasanthakumar Thiagarajan default: 38255055976SVasanthakumar Thiagarajan ath6kl_err("invalid interface type %u\n", type); 38355055976SVasanthakumar Thiagarajan return -ENOTSUPP; 38455055976SVasanthakumar Thiagarajan } 38555055976SVasanthakumar Thiagarajan 38655055976SVasanthakumar Thiagarajan return 0; 38755055976SVasanthakumar Thiagarajan } 38855055976SVasanthakumar Thiagarajan 38955055976SVasanthakumar Thiagarajan static bool ath6kl_is_valid_iftype(struct ath6kl *ar, enum nl80211_iftype type, 39055055976SVasanthakumar Thiagarajan u8 *if_idx, u8 *nw_type) 39155055976SVasanthakumar Thiagarajan { 39255055976SVasanthakumar Thiagarajan int i; 39355055976SVasanthakumar Thiagarajan 39455055976SVasanthakumar Thiagarajan if (ath6kl_nliftype_to_drv_iftype(type, nw_type)) 39555055976SVasanthakumar Thiagarajan return false; 39655055976SVasanthakumar Thiagarajan 39755055976SVasanthakumar Thiagarajan if (ar->ibss_if_active || ((type == NL80211_IFTYPE_ADHOC) && 39855055976SVasanthakumar Thiagarajan ar->num_vif)) 39955055976SVasanthakumar Thiagarajan return false; 40055055976SVasanthakumar Thiagarajan 40155055976SVasanthakumar Thiagarajan if (type == NL80211_IFTYPE_STATION || 40255055976SVasanthakumar Thiagarajan type == NL80211_IFTYPE_AP || type == NL80211_IFTYPE_ADHOC) { 40371f96ee6SKalle Valo for (i = 0; i < ar->vif_max; i++) { 40455055976SVasanthakumar Thiagarajan if ((ar->avail_idx_map >> i) & BIT(0)) { 40555055976SVasanthakumar Thiagarajan *if_idx = i; 40655055976SVasanthakumar Thiagarajan return true; 40755055976SVasanthakumar Thiagarajan } 40855055976SVasanthakumar Thiagarajan } 40955055976SVasanthakumar Thiagarajan } 41055055976SVasanthakumar Thiagarajan 4113226f68aSVasanthakumar Thiagarajan if (type == NL80211_IFTYPE_P2P_CLIENT || 4123226f68aSVasanthakumar Thiagarajan type == NL80211_IFTYPE_P2P_GO) { 41371f96ee6SKalle Valo for (i = ar->max_norm_iface; i < ar->vif_max; i++) { 4143226f68aSVasanthakumar Thiagarajan if ((ar->avail_idx_map >> i) & BIT(0)) { 4153226f68aSVasanthakumar Thiagarajan *if_idx = i; 4163226f68aSVasanthakumar Thiagarajan return true; 4173226f68aSVasanthakumar Thiagarajan } 4183226f68aSVasanthakumar Thiagarajan } 4193226f68aSVasanthakumar Thiagarajan } 4203226f68aSVasanthakumar Thiagarajan 42155055976SVasanthakumar Thiagarajan return false; 42255055976SVasanthakumar Thiagarajan } 42355055976SVasanthakumar Thiagarajan 4248c9bb054SKalle Valo static bool ath6kl_is_tx_pending(struct ath6kl *ar) 4258c9bb054SKalle Valo { 4268c9bb054SKalle Valo return ar->tx_pending[ath6kl_wmi_get_control_ep(ar->wmi)] == 0; 4278c9bb054SKalle Valo } 4288c9bb054SKalle Valo 4298c9bb054SKalle Valo 430bdcd8170SKalle Valo static int ath6kl_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev, 431bdcd8170SKalle Valo struct cfg80211_connect_params *sme) 432bdcd8170SKalle Valo { 433bdcd8170SKalle Valo struct ath6kl *ar = ath6kl_priv(dev); 43459c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 435bdcd8170SKalle Valo int status; 4363ca9d1fcSAarthi Thiruvengadam u8 nw_subtype = (ar->p2p) ? SUBTYPE_P2PDEV : SUBTYPE_NONE; 437ce0dc0cfSRaja Mani u16 interval; 438bdcd8170SKalle Valo 43910509f90SKalle Valo ath6kl_cfg80211_sscan_disable(vif); 44010509f90SKalle Valo 44114ee6f6bSVasanthakumar Thiagarajan vif->sme_state = SME_CONNECTING; 442bdcd8170SKalle Valo 443990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 444bdcd8170SKalle Valo return -EIO; 445bdcd8170SKalle Valo 446bdcd8170SKalle Valo if (test_bit(DESTROY_IN_PROGRESS, &ar->flag)) { 447bdcd8170SKalle Valo ath6kl_err("destroy in progress\n"); 448bdcd8170SKalle Valo return -EBUSY; 449bdcd8170SKalle Valo } 450bdcd8170SKalle Valo 451bdcd8170SKalle Valo if (test_bit(SKIP_SCAN, &ar->flag) && 452bdcd8170SKalle Valo ((sme->channel && sme->channel->center_freq == 0) || 453bdcd8170SKalle Valo (sme->bssid && is_zero_ether_addr(sme->bssid)))) { 454bdcd8170SKalle Valo ath6kl_err("SkipScan: channel or bssid invalid\n"); 455bdcd8170SKalle Valo return -EINVAL; 456bdcd8170SKalle Valo } 457bdcd8170SKalle Valo 458bdcd8170SKalle Valo if (down_interruptible(&ar->sem)) { 459bdcd8170SKalle Valo ath6kl_err("busy, couldn't get access\n"); 460bdcd8170SKalle Valo return -ERESTARTSYS; 461bdcd8170SKalle Valo } 462bdcd8170SKalle Valo 463bdcd8170SKalle Valo if (test_bit(DESTROY_IN_PROGRESS, &ar->flag)) { 464bdcd8170SKalle Valo ath6kl_err("busy, destroy in progress\n"); 465bdcd8170SKalle Valo up(&ar->sem); 466bdcd8170SKalle Valo return -EBUSY; 467bdcd8170SKalle Valo } 468bdcd8170SKalle Valo 469bdcd8170SKalle Valo if (ar->tx_pending[ath6kl_wmi_get_control_ep(ar->wmi)]) { 470bdcd8170SKalle Valo /* 471bdcd8170SKalle Valo * sleep until the command queue drains 472bdcd8170SKalle Valo */ 473bdcd8170SKalle Valo wait_event_interruptible_timeout(ar->event_wq, 4748c9bb054SKalle Valo ath6kl_is_tx_pending(ar), 475bdcd8170SKalle Valo WMI_TIMEOUT); 476bdcd8170SKalle Valo if (signal_pending(current)) { 477bdcd8170SKalle Valo ath6kl_err("cmd queue drain timeout\n"); 478bdcd8170SKalle Valo up(&ar->sem); 479bdcd8170SKalle Valo return -EINTR; 480bdcd8170SKalle Valo } 481bdcd8170SKalle Valo } 482bdcd8170SKalle Valo 483334234b5SVasanthakumar Thiagarajan status = ath6kl_set_assoc_req_ies(vif, sme->ie, sme->ie_len); 484743b4518SDan Carpenter if (status) { 485743b4518SDan Carpenter up(&ar->sem); 4866981ffdcSKevin Fang return status; 487743b4518SDan Carpenter } 4886e786cb1SJouni Malinen 4896e786cb1SJouni Malinen if (sme->ie == NULL || sme->ie_len == 0) 490542c519aSRaja Mani ar->connect_ctrl_flags &= ~CONNECT_WPS_FLAG; 4916981ffdcSKevin Fang 49259c98449SVasanthakumar Thiagarajan if (test_bit(CONNECTED, &vif->flags) && 4933450334fSVasanthakumar Thiagarajan vif->ssid_len == sme->ssid_len && 4943450334fSVasanthakumar Thiagarajan !memcmp(vif->ssid, sme->ssid, vif->ssid_len)) { 495cf5333d7SVasanthakumar Thiagarajan vif->reconnect_flag = true; 496334234b5SVasanthakumar Thiagarajan status = ath6kl_wmi_reconnect_cmd(ar->wmi, vif->fw_vif_idx, 497334234b5SVasanthakumar Thiagarajan vif->req_bssid, 498f74bac54SVasanthakumar Thiagarajan vif->ch_hint); 499bdcd8170SKalle Valo 500bdcd8170SKalle Valo up(&ar->sem); 501bdcd8170SKalle Valo if (status) { 502bdcd8170SKalle Valo ath6kl_err("wmi_reconnect_cmd failed\n"); 503bdcd8170SKalle Valo return -EIO; 504bdcd8170SKalle Valo } 505bdcd8170SKalle Valo return 0; 5063450334fSVasanthakumar Thiagarajan } else if (vif->ssid_len == sme->ssid_len && 5073450334fSVasanthakumar Thiagarajan !memcmp(vif->ssid, sme->ssid, vif->ssid_len)) { 508240d2799SVasanthakumar Thiagarajan ath6kl_disconnect(vif); 509bdcd8170SKalle Valo } 510bdcd8170SKalle Valo 5113450334fSVasanthakumar Thiagarajan memset(vif->ssid, 0, sizeof(vif->ssid)); 5123450334fSVasanthakumar Thiagarajan vif->ssid_len = sme->ssid_len; 5133450334fSVasanthakumar Thiagarajan memcpy(vif->ssid, sme->ssid, sme->ssid_len); 514bdcd8170SKalle Valo 515bdcd8170SKalle Valo if (sme->channel) 516f74bac54SVasanthakumar Thiagarajan vif->ch_hint = sme->channel->center_freq; 517bdcd8170SKalle Valo 5188c8b65e3SVasanthakumar Thiagarajan memset(vif->req_bssid, 0, sizeof(vif->req_bssid)); 519bdcd8170SKalle Valo if (sme->bssid && !is_broadcast_ether_addr(sme->bssid)) 5208c8b65e3SVasanthakumar Thiagarajan memcpy(vif->req_bssid, sme->bssid, sizeof(vif->req_bssid)); 521bdcd8170SKalle Valo 522240d2799SVasanthakumar Thiagarajan ath6kl_set_wpa_version(vif, sme->crypto.wpa_versions); 523bdcd8170SKalle Valo 524240d2799SVasanthakumar Thiagarajan status = ath6kl_set_auth_type(vif, sme->auth_type); 525bdcd8170SKalle Valo if (status) { 526bdcd8170SKalle Valo up(&ar->sem); 527bdcd8170SKalle Valo return status; 528bdcd8170SKalle Valo } 529bdcd8170SKalle Valo 530bdcd8170SKalle Valo if (sme->crypto.n_ciphers_pairwise) 531240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, sme->crypto.ciphers_pairwise[0], true); 532bdcd8170SKalle Valo else 533240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, 0, true); 534bdcd8170SKalle Valo 535240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, sme->crypto.cipher_group, false); 536bdcd8170SKalle Valo 537bdcd8170SKalle Valo if (sme->crypto.n_akm_suites) 538240d2799SVasanthakumar Thiagarajan ath6kl_set_key_mgmt(vif, sme->crypto.akm_suites[0]); 539bdcd8170SKalle Valo 540bdcd8170SKalle Valo if ((sme->key_len) && 5413450334fSVasanthakumar Thiagarajan (vif->auth_mode == NONE_AUTH) && 5423450334fSVasanthakumar Thiagarajan (vif->prwise_crypto == WEP_CRYPT)) { 543bdcd8170SKalle Valo struct ath6kl_key *key = NULL; 544bdcd8170SKalle Valo 545792ecb33SVivek Natarajan if (sme->key_idx > WMI_MAX_KEY_INDEX) { 546bdcd8170SKalle Valo ath6kl_err("key index %d out of bounds\n", 547bdcd8170SKalle Valo sme->key_idx); 548bdcd8170SKalle Valo up(&ar->sem); 549bdcd8170SKalle Valo return -ENOENT; 550bdcd8170SKalle Valo } 551bdcd8170SKalle Valo 5526f2a73f9SVasanthakumar Thiagarajan key = &vif->keys[sme->key_idx]; 553bdcd8170SKalle Valo key->key_len = sme->key_len; 554bdcd8170SKalle Valo memcpy(key->key, sme->key, key->key_len); 5553450334fSVasanthakumar Thiagarajan key->cipher = vif->prwise_crypto; 5563450334fSVasanthakumar Thiagarajan vif->def_txkey_index = sme->key_idx; 557bdcd8170SKalle Valo 558334234b5SVasanthakumar Thiagarajan ath6kl_wmi_addkey_cmd(ar->wmi, vif->fw_vif_idx, sme->key_idx, 5593450334fSVasanthakumar Thiagarajan vif->prwise_crypto, 560bdcd8170SKalle Valo GROUP_USAGE | TX_USAGE, 561bdcd8170SKalle Valo key->key_len, 562f4bb9a6fSJouni Malinen NULL, 0, 563bdcd8170SKalle Valo key->key, KEY_OP_INIT_VAL, NULL, 564bdcd8170SKalle Valo NO_SYNC_WMIFLAG); 565bdcd8170SKalle Valo } 566bdcd8170SKalle Valo 567bdcd8170SKalle Valo if (!ar->usr_bss_filter) { 56859c98449SVasanthakumar Thiagarajan clear_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags); 569240d2799SVasanthakumar Thiagarajan if (ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx, 570240d2799SVasanthakumar Thiagarajan ALL_BSS_FILTER, 0) != 0) { 571bdcd8170SKalle Valo ath6kl_err("couldn't set bss filtering\n"); 572bdcd8170SKalle Valo up(&ar->sem); 573bdcd8170SKalle Valo return -EIO; 574bdcd8170SKalle Valo } 575bdcd8170SKalle Valo } 576bdcd8170SKalle Valo 577f5938f24SVasanthakumar Thiagarajan vif->nw_type = vif->next_mode; 578bdcd8170SKalle Valo 5793ca9d1fcSAarthi Thiruvengadam if (vif->wdev.iftype == NL80211_IFTYPE_P2P_CLIENT) 5803ca9d1fcSAarthi Thiruvengadam nw_subtype = SUBTYPE_P2PCLIENT; 5813ca9d1fcSAarthi Thiruvengadam 582bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 583bdcd8170SKalle Valo "%s: connect called with authmode %d dot11 auth %d" 584bdcd8170SKalle Valo " PW crypto %d PW crypto len %d GRP crypto %d" 585bdcd8170SKalle Valo " GRP crypto len %d channel hint %u\n", 586bdcd8170SKalle Valo __func__, 5873450334fSVasanthakumar Thiagarajan vif->auth_mode, vif->dot11_auth_mode, vif->prwise_crypto, 5883450334fSVasanthakumar Thiagarajan vif->prwise_crypto_len, vif->grp_crypto, 589f74bac54SVasanthakumar Thiagarajan vif->grp_crypto_len, vif->ch_hint); 590bdcd8170SKalle Valo 591cf5333d7SVasanthakumar Thiagarajan vif->reconnect_flag = 0; 592ce0dc0cfSRaja Mani 593ce0dc0cfSRaja Mani if (vif->nw_type == INFRA_NETWORK) { 594b5283871SKalle Valo interval = max_t(u16, vif->listen_intvl_t, 595b5283871SKalle Valo ATH6KL_MAX_WOW_LISTEN_INTL); 596ce0dc0cfSRaja Mani status = ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx, 597ce0dc0cfSRaja Mani interval, 598ce0dc0cfSRaja Mani 0); 599ce0dc0cfSRaja Mani if (status) { 600ce0dc0cfSRaja Mani ath6kl_err("couldn't set listen intervel\n"); 601ce0dc0cfSRaja Mani up(&ar->sem); 602ce0dc0cfSRaja Mani return status; 603ce0dc0cfSRaja Mani } 604ce0dc0cfSRaja Mani } 605ce0dc0cfSRaja Mani 606334234b5SVasanthakumar Thiagarajan status = ath6kl_wmi_connect_cmd(ar->wmi, vif->fw_vif_idx, vif->nw_type, 6073450334fSVasanthakumar Thiagarajan vif->dot11_auth_mode, vif->auth_mode, 6083450334fSVasanthakumar Thiagarajan vif->prwise_crypto, 6093450334fSVasanthakumar Thiagarajan vif->prwise_crypto_len, 6103450334fSVasanthakumar Thiagarajan vif->grp_crypto, vif->grp_crypto_len, 6113450334fSVasanthakumar Thiagarajan vif->ssid_len, vif->ssid, 612f74bac54SVasanthakumar Thiagarajan vif->req_bssid, vif->ch_hint, 6133ca9d1fcSAarthi Thiruvengadam ar->connect_ctrl_flags, nw_subtype); 614bdcd8170SKalle Valo 615f599359cSBala Shanmugam /* disable background scan if period is 0 */ 616f599359cSBala Shanmugam if (sme->bg_scan_period == 0) 617f599359cSBala Shanmugam sme->bg_scan_period = 0xffff; 618f599359cSBala Shanmugam 619f599359cSBala Shanmugam /* configure default value if not specified */ 620f599359cSBala Shanmugam if (sme->bg_scan_period == -1) 621f599359cSBala Shanmugam sme->bg_scan_period = DEFAULT_BG_SCAN_PERIOD; 622f599359cSBala Shanmugam 623f599359cSBala Shanmugam ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx, 0, 0, 624f599359cSBala Shanmugam sme->bg_scan_period, 0, 0, 0, 3, 0, 0, 0); 625f599359cSBala Shanmugam 626bdcd8170SKalle Valo up(&ar->sem); 627bdcd8170SKalle Valo 628bdcd8170SKalle Valo if (status == -EINVAL) { 6293450334fSVasanthakumar Thiagarajan memset(vif->ssid, 0, sizeof(vif->ssid)); 6303450334fSVasanthakumar Thiagarajan vif->ssid_len = 0; 631bdcd8170SKalle Valo ath6kl_err("invalid request\n"); 632bdcd8170SKalle Valo return -ENOENT; 633bdcd8170SKalle Valo } else if (status) { 634bdcd8170SKalle Valo ath6kl_err("ath6kl_wmi_connect_cmd failed\n"); 635bdcd8170SKalle Valo return -EIO; 636bdcd8170SKalle Valo } 637bdcd8170SKalle Valo 638bdcd8170SKalle Valo if ((!(ar->connect_ctrl_flags & CONNECT_DO_WPA_OFFLOAD)) && 639ddc3d77cSKalle Valo ((vif->auth_mode == WPA_PSK_AUTH) || 640ddc3d77cSKalle Valo (vif->auth_mode == WPA2_PSK_AUTH))) { 641de3ad713SVasanthakumar Thiagarajan mod_timer(&vif->disconnect_timer, 642bdcd8170SKalle Valo jiffies + msecs_to_jiffies(DISCON_TIMER_INTVAL)); 643bdcd8170SKalle Valo } 644bdcd8170SKalle Valo 645bdcd8170SKalle Valo ar->connect_ctrl_flags &= ~CONNECT_DO_WPA_OFFLOAD; 64659c98449SVasanthakumar Thiagarajan set_bit(CONNECT_PEND, &vif->flags); 647bdcd8170SKalle Valo 648bdcd8170SKalle Valo return 0; 649bdcd8170SKalle Valo } 650bdcd8170SKalle Valo 6515e13fd35SVasanthakumar Thiagarajan static struct cfg80211_bss * 6525e13fd35SVasanthakumar Thiagarajan ath6kl_add_bss_if_needed(struct ath6kl_vif *vif, 6534eab6f4fSRaja Mani enum network_type nw_type, 6544eab6f4fSRaja Mani const u8 *bssid, 65501cac476SJouni Malinen struct ieee80211_channel *chan, 6565e13fd35SVasanthakumar Thiagarajan const u8 *beacon_ie, 6575e13fd35SVasanthakumar Thiagarajan size_t beacon_ie_len) 65801cac476SJouni Malinen { 659240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 66001cac476SJouni Malinen struct cfg80211_bss *bss; 6614eab6f4fSRaja Mani u16 cap_mask, cap_val; 66201cac476SJouni Malinen u8 *ie; 66301cac476SJouni Malinen 6644eab6f4fSRaja Mani if (nw_type & ADHOC_NETWORK) { 6654eab6f4fSRaja Mani cap_mask = WLAN_CAPABILITY_IBSS; 6664eab6f4fSRaja Mani cap_val = WLAN_CAPABILITY_IBSS; 6674eab6f4fSRaja Mani } else { 6684eab6f4fSRaja Mani cap_mask = WLAN_CAPABILITY_ESS; 6694eab6f4fSRaja Mani cap_val = WLAN_CAPABILITY_ESS; 6704eab6f4fSRaja Mani } 6714eab6f4fSRaja Mani 672be98e3a4SVasanthakumar Thiagarajan bss = cfg80211_get_bss(ar->wiphy, chan, bssid, 6734eab6f4fSRaja Mani vif->ssid, vif->ssid_len, 6744eab6f4fSRaja Mani cap_mask, cap_val); 67501cac476SJouni Malinen if (bss == NULL) { 67601cac476SJouni Malinen /* 67701cac476SJouni Malinen * Since cfg80211 may not yet know about the BSS, 67801cac476SJouni Malinen * generate a partial entry until the first BSS info 67901cac476SJouni Malinen * event becomes available. 68001cac476SJouni Malinen * 68101cac476SJouni Malinen * Prepend SSID element since it is not included in the Beacon 68201cac476SJouni Malinen * IEs from the target. 68301cac476SJouni Malinen */ 6843450334fSVasanthakumar Thiagarajan ie = kmalloc(2 + vif->ssid_len + beacon_ie_len, GFP_KERNEL); 68501cac476SJouni Malinen if (ie == NULL) 6865e13fd35SVasanthakumar Thiagarajan return NULL; 68701cac476SJouni Malinen ie[0] = WLAN_EID_SSID; 6883450334fSVasanthakumar Thiagarajan ie[1] = vif->ssid_len; 6893450334fSVasanthakumar Thiagarajan memcpy(ie + 2, vif->ssid, vif->ssid_len); 6903450334fSVasanthakumar Thiagarajan memcpy(ie + 2 + vif->ssid_len, beacon_ie, beacon_ie_len); 691be98e3a4SVasanthakumar Thiagarajan bss = cfg80211_inform_bss(ar->wiphy, chan, 6924eab6f4fSRaja Mani bssid, 0, cap_val, 100, 6933450334fSVasanthakumar Thiagarajan ie, 2 + vif->ssid_len + beacon_ie_len, 69401cac476SJouni Malinen 0, GFP_KERNEL); 69501cac476SJouni Malinen if (bss) 6964eab6f4fSRaja Mani ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "added bss %pM to " 6974eab6f4fSRaja Mani "cfg80211\n", bssid); 69801cac476SJouni Malinen kfree(ie); 69901cac476SJouni Malinen } else 7005e13fd35SVasanthakumar Thiagarajan ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "cfg80211 already has a bss\n"); 70101cac476SJouni Malinen 7025e13fd35SVasanthakumar Thiagarajan return bss; 70301cac476SJouni Malinen } 70401cac476SJouni Malinen 705240d2799SVasanthakumar Thiagarajan void ath6kl_cfg80211_connect_event(struct ath6kl_vif *vif, u16 channel, 706bdcd8170SKalle Valo u8 *bssid, u16 listen_intvl, 707bdcd8170SKalle Valo u16 beacon_intvl, 708bdcd8170SKalle Valo enum network_type nw_type, 709bdcd8170SKalle Valo u8 beacon_ie_len, u8 assoc_req_len, 710bdcd8170SKalle Valo u8 assoc_resp_len, u8 *assoc_info) 711bdcd8170SKalle Valo { 71201cac476SJouni Malinen struct ieee80211_channel *chan; 713240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 7145e13fd35SVasanthakumar Thiagarajan struct cfg80211_bss *bss; 715bdcd8170SKalle Valo 716bdcd8170SKalle Valo /* capinfo + listen interval */ 717bdcd8170SKalle Valo u8 assoc_req_ie_offset = sizeof(u16) + sizeof(u16); 718bdcd8170SKalle Valo 719bdcd8170SKalle Valo /* capinfo + status code + associd */ 720bdcd8170SKalle Valo u8 assoc_resp_ie_offset = sizeof(u16) + sizeof(u16) + sizeof(u16); 721bdcd8170SKalle Valo 722bdcd8170SKalle Valo u8 *assoc_req_ie = assoc_info + beacon_ie_len + assoc_req_ie_offset; 723bdcd8170SKalle Valo u8 *assoc_resp_ie = assoc_info + beacon_ie_len + assoc_req_len + 724bdcd8170SKalle Valo assoc_resp_ie_offset; 725bdcd8170SKalle Valo 726bdcd8170SKalle Valo assoc_req_len -= assoc_req_ie_offset; 727bdcd8170SKalle Valo assoc_resp_len -= assoc_resp_ie_offset; 728bdcd8170SKalle Valo 72932c10874SJouni Malinen /* 73032c10874SJouni Malinen * Store Beacon interval here; DTIM period will be available only once 73132c10874SJouni Malinen * a Beacon frame from the AP is seen. 73232c10874SJouni Malinen */ 733cf5333d7SVasanthakumar Thiagarajan vif->assoc_bss_beacon_int = beacon_intvl; 73459c98449SVasanthakumar Thiagarajan clear_bit(DTIM_PERIOD_AVAIL, &vif->flags); 73532c10874SJouni Malinen 736bdcd8170SKalle Valo if (nw_type & ADHOC_NETWORK) { 737551959d8SVasanthakumar Thiagarajan if (vif->wdev.iftype != NL80211_IFTYPE_ADHOC) { 738bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 739bdcd8170SKalle Valo "%s: ath6k not in ibss mode\n", __func__); 740bdcd8170SKalle Valo return; 741bdcd8170SKalle Valo } 742bdcd8170SKalle Valo } 743bdcd8170SKalle Valo 744bdcd8170SKalle Valo if (nw_type & INFRA_NETWORK) { 745551959d8SVasanthakumar Thiagarajan if (vif->wdev.iftype != NL80211_IFTYPE_STATION && 746551959d8SVasanthakumar Thiagarajan vif->wdev.iftype != NL80211_IFTYPE_P2P_CLIENT) { 747bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 748bdcd8170SKalle Valo "%s: ath6k not in station mode\n", __func__); 749bdcd8170SKalle Valo return; 750bdcd8170SKalle Valo } 751bdcd8170SKalle Valo } 752bdcd8170SKalle Valo 753be98e3a4SVasanthakumar Thiagarajan chan = ieee80211_get_channel(ar->wiphy, (int) channel); 754bdcd8170SKalle Valo 7555e13fd35SVasanthakumar Thiagarajan bss = ath6kl_add_bss_if_needed(vif, nw_type, bssid, chan, 7565e13fd35SVasanthakumar Thiagarajan assoc_info, beacon_ie_len); 7575e13fd35SVasanthakumar Thiagarajan if (!bss) { 7584eab6f4fSRaja Mani ath6kl_err("could not add cfg80211 bss entry\n"); 759bdcd8170SKalle Valo return; 760bdcd8170SKalle Valo } 761bdcd8170SKalle Valo 7624eab6f4fSRaja Mani if (nw_type & ADHOC_NETWORK) { 7634eab6f4fSRaja Mani ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "ad-hoc %s selected\n", 7644eab6f4fSRaja Mani nw_type & ADHOC_CREATOR ? "creator" : "joiner"); 7654eab6f4fSRaja Mani cfg80211_ibss_joined(vif->ndev, bssid, GFP_KERNEL); 7665e13fd35SVasanthakumar Thiagarajan cfg80211_put_bss(bss); 76701cac476SJouni Malinen return; 76801cac476SJouni Malinen } 76901cac476SJouni Malinen 77014ee6f6bSVasanthakumar Thiagarajan if (vif->sme_state == SME_CONNECTING) { 771bdcd8170SKalle Valo /* inform connect result to cfg80211 */ 77214ee6f6bSVasanthakumar Thiagarajan vif->sme_state = SME_CONNECTED; 773240d2799SVasanthakumar Thiagarajan cfg80211_connect_result(vif->ndev, bssid, 774bdcd8170SKalle Valo assoc_req_ie, assoc_req_len, 775bdcd8170SKalle Valo assoc_resp_ie, assoc_resp_len, 776bdcd8170SKalle Valo WLAN_STATUS_SUCCESS, GFP_KERNEL); 7775e13fd35SVasanthakumar Thiagarajan cfg80211_put_bss(bss); 77814ee6f6bSVasanthakumar Thiagarajan } else if (vif->sme_state == SME_CONNECTED) { 779bdcd8170SKalle Valo /* inform roam event to cfg80211 */ 7805e13fd35SVasanthakumar Thiagarajan cfg80211_roamed_bss(vif->ndev, bss, assoc_req_ie, assoc_req_len, 781bdcd8170SKalle Valo assoc_resp_ie, assoc_resp_len, GFP_KERNEL); 782bdcd8170SKalle Valo } 783bdcd8170SKalle Valo } 784bdcd8170SKalle Valo 785bdcd8170SKalle Valo static int ath6kl_cfg80211_disconnect(struct wiphy *wiphy, 786bdcd8170SKalle Valo struct net_device *dev, u16 reason_code) 787bdcd8170SKalle Valo { 788d6d5c06cSKalle Valo struct ath6kl *ar = ath6kl_priv(dev); 7893450334fSVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 790bdcd8170SKalle Valo 791bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: reason=%u\n", __func__, 792bdcd8170SKalle Valo reason_code); 793bdcd8170SKalle Valo 79410509f90SKalle Valo ath6kl_cfg80211_sscan_disable(vif); 79510509f90SKalle Valo 796990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 797bdcd8170SKalle Valo return -EIO; 798bdcd8170SKalle Valo 799bdcd8170SKalle Valo if (test_bit(DESTROY_IN_PROGRESS, &ar->flag)) { 800bdcd8170SKalle Valo ath6kl_err("busy, destroy in progress\n"); 801bdcd8170SKalle Valo return -EBUSY; 802bdcd8170SKalle Valo } 803bdcd8170SKalle Valo 804bdcd8170SKalle Valo if (down_interruptible(&ar->sem)) { 805bdcd8170SKalle Valo ath6kl_err("busy, couldn't get access\n"); 806bdcd8170SKalle Valo return -ERESTARTSYS; 807bdcd8170SKalle Valo } 808bdcd8170SKalle Valo 809cf5333d7SVasanthakumar Thiagarajan vif->reconnect_flag = 0; 810240d2799SVasanthakumar Thiagarajan ath6kl_disconnect(vif); 8113450334fSVasanthakumar Thiagarajan memset(vif->ssid, 0, sizeof(vif->ssid)); 8123450334fSVasanthakumar Thiagarajan vif->ssid_len = 0; 813bdcd8170SKalle Valo 814bdcd8170SKalle Valo if (!test_bit(SKIP_SCAN, &ar->flag)) 8158c8b65e3SVasanthakumar Thiagarajan memset(vif->req_bssid, 0, sizeof(vif->req_bssid)); 816bdcd8170SKalle Valo 817bdcd8170SKalle Valo up(&ar->sem); 818bdcd8170SKalle Valo 81914ee6f6bSVasanthakumar Thiagarajan vif->sme_state = SME_DISCONNECTED; 820170826ddSVasanthakumar Thiagarajan 821bdcd8170SKalle Valo return 0; 822bdcd8170SKalle Valo } 823bdcd8170SKalle Valo 824240d2799SVasanthakumar Thiagarajan void ath6kl_cfg80211_disconnect_event(struct ath6kl_vif *vif, u8 reason, 825bdcd8170SKalle Valo u8 *bssid, u8 assoc_resp_len, 826bdcd8170SKalle Valo u8 *assoc_info, u16 proto_reason) 827bdcd8170SKalle Valo { 828240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 82959c98449SVasanthakumar Thiagarajan 83014ee6f6bSVasanthakumar Thiagarajan if (vif->scan_req) { 83114ee6f6bSVasanthakumar Thiagarajan cfg80211_scan_done(vif->scan_req, true); 83214ee6f6bSVasanthakumar Thiagarajan vif->scan_req = NULL; 833bdcd8170SKalle Valo } 834bdcd8170SKalle Valo 835f5938f24SVasanthakumar Thiagarajan if (vif->nw_type & ADHOC_NETWORK) { 836551959d8SVasanthakumar Thiagarajan if (vif->wdev.iftype != NL80211_IFTYPE_ADHOC) { 837bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 838bdcd8170SKalle Valo "%s: ath6k not in ibss mode\n", __func__); 839bdcd8170SKalle Valo return; 840bdcd8170SKalle Valo } 841bdcd8170SKalle Valo memset(bssid, 0, ETH_ALEN); 842240d2799SVasanthakumar Thiagarajan cfg80211_ibss_joined(vif->ndev, bssid, GFP_KERNEL); 843bdcd8170SKalle Valo return; 844bdcd8170SKalle Valo } 845bdcd8170SKalle Valo 846f5938f24SVasanthakumar Thiagarajan if (vif->nw_type & INFRA_NETWORK) { 847551959d8SVasanthakumar Thiagarajan if (vif->wdev.iftype != NL80211_IFTYPE_STATION && 848551959d8SVasanthakumar Thiagarajan vif->wdev.iftype != NL80211_IFTYPE_P2P_CLIENT) { 849bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 850bdcd8170SKalle Valo "%s: ath6k not in station mode\n", __func__); 851bdcd8170SKalle Valo return; 852bdcd8170SKalle Valo } 853bdcd8170SKalle Valo } 854bdcd8170SKalle Valo 8551de547d6SVasanthakumar Thiagarajan /* 8561de547d6SVasanthakumar Thiagarajan * Send a disconnect command to target when a disconnect event is 8571de547d6SVasanthakumar Thiagarajan * received with reason code other than 3 (DISCONNECT_CMD - disconnect 8581de547d6SVasanthakumar Thiagarajan * request from host) to make the firmware stop trying to connect even 8591de547d6SVasanthakumar Thiagarajan * after giving disconnect event. There will be one more disconnect 8601de547d6SVasanthakumar Thiagarajan * event for this disconnect command with reason code DISCONNECT_CMD 8611de547d6SVasanthakumar Thiagarajan * which will be notified to cfg80211. 8621de547d6SVasanthakumar Thiagarajan */ 863bdcd8170SKalle Valo 8641de547d6SVasanthakumar Thiagarajan if (reason != DISCONNECT_CMD) { 865334234b5SVasanthakumar Thiagarajan ath6kl_wmi_disconnect_cmd(ar->wmi, vif->fw_vif_idx); 866bdcd8170SKalle Valo return; 867bdcd8170SKalle Valo } 868bdcd8170SKalle Valo 86959c98449SVasanthakumar Thiagarajan clear_bit(CONNECT_PEND, &vif->flags); 870bdcd8170SKalle Valo 87114ee6f6bSVasanthakumar Thiagarajan if (vif->sme_state == SME_CONNECTING) { 872240d2799SVasanthakumar Thiagarajan cfg80211_connect_result(vif->ndev, 873bdcd8170SKalle Valo bssid, NULL, 0, 874bdcd8170SKalle Valo NULL, 0, 875bdcd8170SKalle Valo WLAN_STATUS_UNSPECIFIED_FAILURE, 876bdcd8170SKalle Valo GFP_KERNEL); 87714ee6f6bSVasanthakumar Thiagarajan } else if (vif->sme_state == SME_CONNECTED) { 878240d2799SVasanthakumar Thiagarajan cfg80211_disconnected(vif->ndev, reason, 879bdcd8170SKalle Valo NULL, 0, GFP_KERNEL); 880bdcd8170SKalle Valo } 881bdcd8170SKalle Valo 88214ee6f6bSVasanthakumar Thiagarajan vif->sme_state = SME_DISCONNECTED; 883bdcd8170SKalle Valo } 884bdcd8170SKalle Valo 885bdcd8170SKalle Valo static int ath6kl_cfg80211_scan(struct wiphy *wiphy, struct net_device *ndev, 886bdcd8170SKalle Valo struct cfg80211_scan_request *request) 887bdcd8170SKalle Valo { 888d6d5c06cSKalle Valo struct ath6kl *ar = ath6kl_priv(ndev); 88959c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(ndev); 8901276c9efSEdward Lu s8 n_channels = 0; 8911276c9efSEdward Lu u16 *channels = NULL; 892bdcd8170SKalle Valo int ret = 0; 893f1f92179SVasanthakumar Thiagarajan u32 force_fg_scan = 0; 894bdcd8170SKalle Valo 895990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 896bdcd8170SKalle Valo return -EIO; 897bdcd8170SKalle Valo 89810509f90SKalle Valo ath6kl_cfg80211_sscan_disable(vif); 89910509f90SKalle Valo 900bdcd8170SKalle Valo if (!ar->usr_bss_filter) { 90159c98449SVasanthakumar Thiagarajan clear_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags); 9021b1e6ee3SJouni Malinen ret = ath6kl_wmi_bssfilter_cmd( 903240d2799SVasanthakumar Thiagarajan ar->wmi, vif->fw_vif_idx, 90459c98449SVasanthakumar Thiagarajan (test_bit(CONNECTED, &vif->flags) ? 9051b1e6ee3SJouni Malinen ALL_BUT_BSS_FILTER : ALL_BSS_FILTER), 0); 9061b1e6ee3SJouni Malinen if (ret) { 907bdcd8170SKalle Valo ath6kl_err("couldn't set bss filtering\n"); 9081b1e6ee3SJouni Malinen return ret; 909bdcd8170SKalle Valo } 910bdcd8170SKalle Valo } 911bdcd8170SKalle Valo 912bdcd8170SKalle Valo if (request->n_ssids && request->ssids[0].ssid_len) { 913bdcd8170SKalle Valo u8 i; 914bdcd8170SKalle Valo 915bdcd8170SKalle Valo if (request->n_ssids > (MAX_PROBED_SSID_INDEX - 1)) 916bdcd8170SKalle Valo request->n_ssids = MAX_PROBED_SSID_INDEX - 1; 917bdcd8170SKalle Valo 918bdcd8170SKalle Valo for (i = 0; i < request->n_ssids; i++) 919334234b5SVasanthakumar Thiagarajan ath6kl_wmi_probedssid_cmd(ar->wmi, vif->fw_vif_idx, 920334234b5SVasanthakumar Thiagarajan i + 1, SPECIFIC_SSID_FLAG, 921bdcd8170SKalle Valo request->ssids[i].ssid_len, 922bdcd8170SKalle Valo request->ssids[i].ssid); 923bdcd8170SKalle Valo } 924bdcd8170SKalle Valo 925080eec4fSAarthi Thiruvengadam /* this also clears IE in fw if it's not set */ 926334234b5SVasanthakumar Thiagarajan ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, 927334234b5SVasanthakumar Thiagarajan WMI_FRAME_PROBE_REQ, 928b84da8c7SJouni Malinen request->ie, request->ie_len); 929b84da8c7SJouni Malinen if (ret) { 930b84da8c7SJouni Malinen ath6kl_err("failed to set Probe Request appie for " 931b84da8c7SJouni Malinen "scan"); 932b84da8c7SJouni Malinen return ret; 933b84da8c7SJouni Malinen } 934b84da8c7SJouni Malinen 93511869befSJouni Malinen /* 93611869befSJouni Malinen * Scan only the requested channels if the request specifies a set of 93711869befSJouni Malinen * channels. If the list is longer than the target supports, do not 93811869befSJouni Malinen * configure the list and instead, scan all available channels. 93911869befSJouni Malinen */ 94011869befSJouni Malinen if (request->n_channels > 0 && 94111869befSJouni Malinen request->n_channels <= WMI_MAX_CHANNELS) { 9421276c9efSEdward Lu u8 i; 9431276c9efSEdward Lu 94411869befSJouni Malinen n_channels = request->n_channels; 9451276c9efSEdward Lu 9461276c9efSEdward Lu channels = kzalloc(n_channels * sizeof(u16), GFP_KERNEL); 9471276c9efSEdward Lu if (channels == NULL) { 9481276c9efSEdward Lu ath6kl_warn("failed to set scan channels, " 9491276c9efSEdward Lu "scan all channels"); 9501276c9efSEdward Lu n_channels = 0; 9511276c9efSEdward Lu } 9521276c9efSEdward Lu 9531276c9efSEdward Lu for (i = 0; i < n_channels; i++) 9541276c9efSEdward Lu channels[i] = request->channels[i]->center_freq; 9551276c9efSEdward Lu } 9561276c9efSEdward Lu 95759c98449SVasanthakumar Thiagarajan if (test_bit(CONNECTED, &vif->flags)) 958f1f92179SVasanthakumar Thiagarajan force_fg_scan = 1; 959f1f92179SVasanthakumar Thiagarajan 9605b35dff0SRaja Mani vif->scan_req = request; 9615b35dff0SRaja Mani 9623ca9d1fcSAarthi Thiruvengadam if (test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX, 9633ca9d1fcSAarthi Thiruvengadam ar->fw_capabilities)) { 9643ca9d1fcSAarthi Thiruvengadam /* 9653ca9d1fcSAarthi Thiruvengadam * If capable of doing P2P mgmt operations using 9663ca9d1fcSAarthi Thiruvengadam * station interface, send additional information like 9673ca9d1fcSAarthi Thiruvengadam * supported rates to advertise and xmit rates for 9683ca9d1fcSAarthi Thiruvengadam * probe requests 9693ca9d1fcSAarthi Thiruvengadam */ 9703ca9d1fcSAarthi Thiruvengadam ret = ath6kl_wmi_beginscan_cmd(ar->wmi, vif->fw_vif_idx, 9713ca9d1fcSAarthi Thiruvengadam WMI_LONG_SCAN, force_fg_scan, 97213423c31SVasanthakumar Thiagarajan false, 0, 97313423c31SVasanthakumar Thiagarajan ATH6KL_FG_SCAN_INTERVAL, 97413423c31SVasanthakumar Thiagarajan n_channels, channels, 97513423c31SVasanthakumar Thiagarajan request->no_cck, 9763ca9d1fcSAarthi Thiruvengadam request->rates); 9773ca9d1fcSAarthi Thiruvengadam } else { 9783ca9d1fcSAarthi Thiruvengadam ret = ath6kl_wmi_startscan_cmd(ar->wmi, vif->fw_vif_idx, 9793ca9d1fcSAarthi Thiruvengadam WMI_LONG_SCAN, force_fg_scan, 98013423c31SVasanthakumar Thiagarajan false, 0, 98113423c31SVasanthakumar Thiagarajan ATH6KL_FG_SCAN_INTERVAL, 98213423c31SVasanthakumar Thiagarajan n_channels, channels); 9833ca9d1fcSAarthi Thiruvengadam } 9845b35dff0SRaja Mani if (ret) { 985bdcd8170SKalle Valo ath6kl_err("wmi_startscan_cmd failed\n"); 9865b35dff0SRaja Mani vif->scan_req = NULL; 9875b35dff0SRaja Mani } 988bdcd8170SKalle Valo 9891276c9efSEdward Lu kfree(channels); 9901276c9efSEdward Lu 991bdcd8170SKalle Valo return ret; 992bdcd8170SKalle Valo } 993bdcd8170SKalle Valo 9941c17d313SKalle Valo void ath6kl_cfg80211_scan_complete_event(struct ath6kl_vif *vif, bool aborted) 995bdcd8170SKalle Valo { 996240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 9976fd1eaceSKalle Valo int i; 998bdcd8170SKalle Valo 9991c17d313SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: status%s\n", __func__, 10001c17d313SKalle Valo aborted ? " aborted" : ""); 1001bdcd8170SKalle Valo 100214ee6f6bSVasanthakumar Thiagarajan if (!vif->scan_req) 10036fd1eaceSKalle Valo return; 10046fd1eaceSKalle Valo 10051c17d313SKalle Valo if (aborted) 10066fd1eaceSKalle Valo goto out; 1007bdcd8170SKalle Valo 100814ee6f6bSVasanthakumar Thiagarajan if (vif->scan_req->n_ssids && vif->scan_req->ssids[0].ssid_len) { 100914ee6f6bSVasanthakumar Thiagarajan for (i = 0; i < vif->scan_req->n_ssids; i++) { 1010334234b5SVasanthakumar Thiagarajan ath6kl_wmi_probedssid_cmd(ar->wmi, vif->fw_vif_idx, 1011334234b5SVasanthakumar Thiagarajan i + 1, DISABLE_SSID_FLAG, 1012bdcd8170SKalle Valo 0, NULL); 1013bdcd8170SKalle Valo } 1014bdcd8170SKalle Valo } 10156fd1eaceSKalle Valo 10166fd1eaceSKalle Valo out: 1017cb93821aSKalle Valo cfg80211_scan_done(vif->scan_req, aborted); 101814ee6f6bSVasanthakumar Thiagarajan vif->scan_req = NULL; 1019bdcd8170SKalle Valo } 1020bdcd8170SKalle Valo 1021c4f7863eSThomas Pedersen void ath6kl_cfg80211_ch_switch_notify(struct ath6kl_vif *vif, int freq, 1022c4f7863eSThomas Pedersen enum wmi_phy_mode mode) 1023c4f7863eSThomas Pedersen { 1024c4f7863eSThomas Pedersen enum nl80211_channel_type type; 1025c4f7863eSThomas Pedersen 1026c4f7863eSThomas Pedersen ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1027c4f7863eSThomas Pedersen "channel switch notify nw_type %d freq %d mode %d\n", 1028c4f7863eSThomas Pedersen vif->nw_type, freq, mode); 1029c4f7863eSThomas Pedersen 1030c4f7863eSThomas Pedersen type = (mode == WMI_11G_HT20) ? NL80211_CHAN_HT20 : NL80211_CHAN_NO_HT; 1031c4f7863eSThomas Pedersen 1032c4f7863eSThomas Pedersen cfg80211_ch_switch_notify(vif->ndev, freq, type); 1033c4f7863eSThomas Pedersen } 1034c4f7863eSThomas Pedersen 1035bdcd8170SKalle Valo static int ath6kl_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev, 1036bdcd8170SKalle Valo u8 key_index, bool pairwise, 1037bdcd8170SKalle Valo const u8 *mac_addr, 1038bdcd8170SKalle Valo struct key_params *params) 1039bdcd8170SKalle Valo { 1040d6d5c06cSKalle Valo struct ath6kl *ar = ath6kl_priv(ndev); 104159c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(ndev); 1042bdcd8170SKalle Valo struct ath6kl_key *key = NULL; 10434a8ce2fdSSujith Manoharan int seq_len; 1044bdcd8170SKalle Valo u8 key_usage; 1045bdcd8170SKalle Valo u8 key_type; 1046bdcd8170SKalle Valo 1047990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1048bdcd8170SKalle Valo return -EIO; 1049bdcd8170SKalle Valo 1050837cb97eSJouni Malinen if (params->cipher == CCKM_KRK_CIPHER_SUITE) { 1051837cb97eSJouni Malinen if (params->key_len != WMI_KRK_LEN) 1052837cb97eSJouni Malinen return -EINVAL; 1053240d2799SVasanthakumar Thiagarajan return ath6kl_wmi_add_krk_cmd(ar->wmi, vif->fw_vif_idx, 1054240d2799SVasanthakumar Thiagarajan params->key); 1055837cb97eSJouni Malinen } 1056837cb97eSJouni Malinen 1057792ecb33SVivek Natarajan if (key_index > WMI_MAX_KEY_INDEX) { 1058bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1059bdcd8170SKalle Valo "%s: key index %d out of bounds\n", __func__, 1060bdcd8170SKalle Valo key_index); 1061bdcd8170SKalle Valo return -ENOENT; 1062bdcd8170SKalle Valo } 1063bdcd8170SKalle Valo 10646f2a73f9SVasanthakumar Thiagarajan key = &vif->keys[key_index]; 1065bdcd8170SKalle Valo memset(key, 0, sizeof(struct ath6kl_key)); 1066bdcd8170SKalle Valo 1067bdcd8170SKalle Valo if (pairwise) 1068bdcd8170SKalle Valo key_usage = PAIRWISE_USAGE; 1069bdcd8170SKalle Valo else 1070bdcd8170SKalle Valo key_usage = GROUP_USAGE; 1071bdcd8170SKalle Valo 10724a8ce2fdSSujith Manoharan seq_len = params->seq_len; 10735e07021eSDai Shuibing if (params->cipher == WLAN_CIPHER_SUITE_SMS4 && 10745e07021eSDai Shuibing seq_len > ATH6KL_KEY_SEQ_LEN) { 10755e07021eSDai Shuibing /* Only first half of the WPI PN is configured */ 10765e07021eSDai Shuibing seq_len = ATH6KL_KEY_SEQ_LEN; 10775e07021eSDai Shuibing } 1078bdcd8170SKalle Valo if (params->key_len > WLAN_MAX_KEY_LEN || 10795e07021eSDai Shuibing seq_len > sizeof(key->seq)) 1080bdcd8170SKalle Valo return -EINVAL; 1081bdcd8170SKalle Valo 1082bdcd8170SKalle Valo key->key_len = params->key_len; 1083bdcd8170SKalle Valo memcpy(key->key, params->key, key->key_len); 10845e07021eSDai Shuibing key->seq_len = seq_len; 1085bdcd8170SKalle Valo memcpy(key->seq, params->seq, key->seq_len); 1086bdcd8170SKalle Valo key->cipher = params->cipher; 1087bdcd8170SKalle Valo 1088bdcd8170SKalle Valo switch (key->cipher) { 1089bdcd8170SKalle Valo case WLAN_CIPHER_SUITE_WEP40: 1090bdcd8170SKalle Valo case WLAN_CIPHER_SUITE_WEP104: 1091bdcd8170SKalle Valo key_type = WEP_CRYPT; 1092bdcd8170SKalle Valo break; 1093bdcd8170SKalle Valo 1094bdcd8170SKalle Valo case WLAN_CIPHER_SUITE_TKIP: 1095bdcd8170SKalle Valo key_type = TKIP_CRYPT; 1096bdcd8170SKalle Valo break; 1097bdcd8170SKalle Valo 1098bdcd8170SKalle Valo case WLAN_CIPHER_SUITE_CCMP: 1099bdcd8170SKalle Valo key_type = AES_CRYPT; 1100bdcd8170SKalle Valo break; 11015e07021eSDai Shuibing case WLAN_CIPHER_SUITE_SMS4: 11025e07021eSDai Shuibing key_type = WAPI_CRYPT; 11035e07021eSDai Shuibing break; 1104bdcd8170SKalle Valo 1105bdcd8170SKalle Valo default: 1106bdcd8170SKalle Valo return -ENOTSUPP; 1107bdcd8170SKalle Valo } 1108bdcd8170SKalle Valo 1109ddc3d77cSKalle Valo if (((vif->auth_mode == WPA_PSK_AUTH) || 1110ddc3d77cSKalle Valo (vif->auth_mode == WPA2_PSK_AUTH)) && 1111ddc3d77cSKalle Valo (key_usage & GROUP_USAGE)) 1112de3ad713SVasanthakumar Thiagarajan del_timer(&vif->disconnect_timer); 1113bdcd8170SKalle Valo 1114bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1115bdcd8170SKalle Valo "%s: index %d, key_len %d, key_type 0x%x, key_usage 0x%x, seq_len %d\n", 1116bdcd8170SKalle Valo __func__, key_index, key->key_len, key_type, 1117bdcd8170SKalle Valo key_usage, key->seq_len); 1118bdcd8170SKalle Valo 1119f5938f24SVasanthakumar Thiagarajan if (vif->nw_type == AP_NETWORK && !pairwise && 11204703290aSJouni Malinen (key_type == TKIP_CRYPT || key_type == AES_CRYPT || 1121cc4d623dSVasanthakumar Thiagarajan key_type == WAPI_CRYPT)) { 11229a5b1318SJouni Malinen ar->ap_mode_bkey.valid = true; 11239a5b1318SJouni Malinen ar->ap_mode_bkey.key_index = key_index; 11249a5b1318SJouni Malinen ar->ap_mode_bkey.key_type = key_type; 11259a5b1318SJouni Malinen ar->ap_mode_bkey.key_len = key->key_len; 11269a5b1318SJouni Malinen memcpy(ar->ap_mode_bkey.key, key->key, key->key_len); 112759c98449SVasanthakumar Thiagarajan if (!test_bit(CONNECTED, &vif->flags)) { 11289a5b1318SJouni Malinen ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "Delay initial group " 11299a5b1318SJouni Malinen "key configuration until AP mode has been " 11309a5b1318SJouni Malinen "started\n"); 11319a5b1318SJouni Malinen /* 11329a5b1318SJouni Malinen * The key will be set in ath6kl_connect_ap_mode() once 11339a5b1318SJouni Malinen * the connected event is received from the target. 11349a5b1318SJouni Malinen */ 11359a5b1318SJouni Malinen return 0; 11369a5b1318SJouni Malinen } 11379a5b1318SJouni Malinen } 11389a5b1318SJouni Malinen 1139f5938f24SVasanthakumar Thiagarajan if (vif->next_mode == AP_NETWORK && key_type == WEP_CRYPT && 114059c98449SVasanthakumar Thiagarajan !test_bit(CONNECTED, &vif->flags)) { 1141151411e8SJouni Malinen /* 1142151411e8SJouni Malinen * Store the key locally so that it can be re-configured after 1143151411e8SJouni Malinen * the AP mode has properly started 1144151411e8SJouni Malinen * (ath6kl_install_statioc_wep_keys). 1145151411e8SJouni Malinen */ 1146151411e8SJouni Malinen ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "Delay WEP key configuration " 1147151411e8SJouni Malinen "until AP mode has been started\n"); 11486f2a73f9SVasanthakumar Thiagarajan vif->wep_key_list[key_index].key_len = key->key_len; 11496f2a73f9SVasanthakumar Thiagarajan memcpy(vif->wep_key_list[key_index].key, key->key, 11506f2a73f9SVasanthakumar Thiagarajan key->key_len); 1151151411e8SJouni Malinen return 0; 1152151411e8SJouni Malinen } 1153151411e8SJouni Malinen 11547cefa44fSVasanthakumar Thiagarajan return ath6kl_wmi_addkey_cmd(ar->wmi, vif->fw_vif_idx, key_index, 1155bdcd8170SKalle Valo key_type, key_usage, key->key_len, 1156f4bb9a6fSJouni Malinen key->seq, key->seq_len, key->key, 1157f4bb9a6fSJouni Malinen KEY_OP_INIT_VAL, 1158bdcd8170SKalle Valo (u8 *) mac_addr, SYNC_BOTH_WMIFLAG); 1159bdcd8170SKalle Valo } 1160bdcd8170SKalle Valo 1161bdcd8170SKalle Valo static int ath6kl_cfg80211_del_key(struct wiphy *wiphy, struct net_device *ndev, 1162bdcd8170SKalle Valo u8 key_index, bool pairwise, 1163bdcd8170SKalle Valo const u8 *mac_addr) 1164bdcd8170SKalle Valo { 1165d6d5c06cSKalle Valo struct ath6kl *ar = ath6kl_priv(ndev); 11666f2a73f9SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(ndev); 1167bdcd8170SKalle Valo 1168bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: index %d\n", __func__, key_index); 1169bdcd8170SKalle Valo 1170990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1171bdcd8170SKalle Valo return -EIO; 1172bdcd8170SKalle Valo 1173792ecb33SVivek Natarajan if (key_index > WMI_MAX_KEY_INDEX) { 1174bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1175bdcd8170SKalle Valo "%s: key index %d out of bounds\n", __func__, 1176bdcd8170SKalle Valo key_index); 1177bdcd8170SKalle Valo return -ENOENT; 1178bdcd8170SKalle Valo } 1179bdcd8170SKalle Valo 11806f2a73f9SVasanthakumar Thiagarajan if (!vif->keys[key_index].key_len) { 1181bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1182bdcd8170SKalle Valo "%s: index %d is empty\n", __func__, key_index); 1183bdcd8170SKalle Valo return 0; 1184bdcd8170SKalle Valo } 1185bdcd8170SKalle Valo 11866f2a73f9SVasanthakumar Thiagarajan vif->keys[key_index].key_len = 0; 1187bdcd8170SKalle Valo 1188334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_deletekey_cmd(ar->wmi, vif->fw_vif_idx, key_index); 1189bdcd8170SKalle Valo } 1190bdcd8170SKalle Valo 1191bdcd8170SKalle Valo static int ath6kl_cfg80211_get_key(struct wiphy *wiphy, struct net_device *ndev, 1192bdcd8170SKalle Valo u8 key_index, bool pairwise, 1193bdcd8170SKalle Valo const u8 *mac_addr, void *cookie, 1194bdcd8170SKalle Valo void (*callback) (void *cookie, 1195bdcd8170SKalle Valo struct key_params *)) 1196bdcd8170SKalle Valo { 11976f2a73f9SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(ndev); 1198bdcd8170SKalle Valo struct ath6kl_key *key = NULL; 1199bdcd8170SKalle Valo struct key_params params; 1200bdcd8170SKalle Valo 1201bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: index %d\n", __func__, key_index); 1202bdcd8170SKalle Valo 1203990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1204bdcd8170SKalle Valo return -EIO; 1205bdcd8170SKalle Valo 1206792ecb33SVivek Natarajan if (key_index > WMI_MAX_KEY_INDEX) { 1207bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1208bdcd8170SKalle Valo "%s: key index %d out of bounds\n", __func__, 1209bdcd8170SKalle Valo key_index); 1210bdcd8170SKalle Valo return -ENOENT; 1211bdcd8170SKalle Valo } 1212bdcd8170SKalle Valo 12136f2a73f9SVasanthakumar Thiagarajan key = &vif->keys[key_index]; 1214bdcd8170SKalle Valo memset(¶ms, 0, sizeof(params)); 1215bdcd8170SKalle Valo params.cipher = key->cipher; 1216bdcd8170SKalle Valo params.key_len = key->key_len; 1217bdcd8170SKalle Valo params.seq_len = key->seq_len; 1218bdcd8170SKalle Valo params.seq = key->seq; 1219bdcd8170SKalle Valo params.key = key->key; 1220bdcd8170SKalle Valo 1221bdcd8170SKalle Valo callback(cookie, ¶ms); 1222bdcd8170SKalle Valo 1223bdcd8170SKalle Valo return key->key_len ? 0 : -ENOENT; 1224bdcd8170SKalle Valo } 1225bdcd8170SKalle Valo 1226bdcd8170SKalle Valo static int ath6kl_cfg80211_set_default_key(struct wiphy *wiphy, 1227bdcd8170SKalle Valo struct net_device *ndev, 1228bdcd8170SKalle Valo u8 key_index, bool unicast, 1229bdcd8170SKalle Valo bool multicast) 1230bdcd8170SKalle Valo { 1231d6d5c06cSKalle Valo struct ath6kl *ar = ath6kl_priv(ndev); 123259c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(ndev); 1233bdcd8170SKalle Valo struct ath6kl_key *key = NULL; 1234bdcd8170SKalle Valo u8 key_usage; 1235229ed6b5SEdward Lu enum crypto_type key_type = NONE_CRYPT; 1236bdcd8170SKalle Valo 1237bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: index %d\n", __func__, key_index); 1238bdcd8170SKalle Valo 1239990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1240bdcd8170SKalle Valo return -EIO; 1241bdcd8170SKalle Valo 1242792ecb33SVivek Natarajan if (key_index > WMI_MAX_KEY_INDEX) { 1243bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1244bdcd8170SKalle Valo "%s: key index %d out of bounds\n", 1245bdcd8170SKalle Valo __func__, key_index); 1246bdcd8170SKalle Valo return -ENOENT; 1247bdcd8170SKalle Valo } 1248bdcd8170SKalle Valo 12496f2a73f9SVasanthakumar Thiagarajan if (!vif->keys[key_index].key_len) { 1250bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: invalid key index %d\n", 1251bdcd8170SKalle Valo __func__, key_index); 1252bdcd8170SKalle Valo return -EINVAL; 1253bdcd8170SKalle Valo } 1254bdcd8170SKalle Valo 12553450334fSVasanthakumar Thiagarajan vif->def_txkey_index = key_index; 12566f2a73f9SVasanthakumar Thiagarajan key = &vif->keys[vif->def_txkey_index]; 1257bdcd8170SKalle Valo key_usage = GROUP_USAGE; 12583450334fSVasanthakumar Thiagarajan if (vif->prwise_crypto == WEP_CRYPT) 1259bdcd8170SKalle Valo key_usage |= TX_USAGE; 1260229ed6b5SEdward Lu if (unicast) 12613450334fSVasanthakumar Thiagarajan key_type = vif->prwise_crypto; 1262229ed6b5SEdward Lu if (multicast) 12633450334fSVasanthakumar Thiagarajan key_type = vif->grp_crypto; 1264bdcd8170SKalle Valo 1265f5938f24SVasanthakumar Thiagarajan if (vif->next_mode == AP_NETWORK && !test_bit(CONNECTED, &vif->flags)) 12669a5b1318SJouni Malinen return 0; /* Delay until AP mode has been started */ 12679a5b1318SJouni Malinen 1268f3e61eceSJouni Malinen return ath6kl_wmi_addkey_cmd(ar->wmi, vif->fw_vif_idx, 1269334234b5SVasanthakumar Thiagarajan vif->def_txkey_index, 1270229ed6b5SEdward Lu key_type, key_usage, 1271f4bb9a6fSJouni Malinen key->key_len, key->seq, key->seq_len, 1272f4bb9a6fSJouni Malinen key->key, 1273bdcd8170SKalle Valo KEY_OP_INIT_VAL, NULL, 1274bdcd8170SKalle Valo SYNC_BOTH_WMIFLAG); 1275bdcd8170SKalle Valo } 1276bdcd8170SKalle Valo 1277240d2799SVasanthakumar Thiagarajan void ath6kl_cfg80211_tkip_micerr_event(struct ath6kl_vif *vif, u8 keyid, 1278bdcd8170SKalle Valo bool ismcast) 1279bdcd8170SKalle Valo { 1280bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1281bdcd8170SKalle Valo "%s: keyid %d, ismcast %d\n", __func__, keyid, ismcast); 1282bdcd8170SKalle Valo 1283240d2799SVasanthakumar Thiagarajan cfg80211_michael_mic_failure(vif->ndev, vif->bssid, 1284bdcd8170SKalle Valo (ismcast ? NL80211_KEYTYPE_GROUP : 1285bdcd8170SKalle Valo NL80211_KEYTYPE_PAIRWISE), keyid, NULL, 1286bdcd8170SKalle Valo GFP_KERNEL); 1287bdcd8170SKalle Valo } 1288bdcd8170SKalle Valo 1289bdcd8170SKalle Valo static int ath6kl_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) 1290bdcd8170SKalle Valo { 1291bdcd8170SKalle Valo struct ath6kl *ar = (struct ath6kl *)wiphy_priv(wiphy); 1292990bd915SVasanthakumar Thiagarajan struct ath6kl_vif *vif; 1293bdcd8170SKalle Valo int ret; 1294bdcd8170SKalle Valo 1295bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: changed 0x%x\n", __func__, 1296bdcd8170SKalle Valo changed); 1297bdcd8170SKalle Valo 1298990bd915SVasanthakumar Thiagarajan vif = ath6kl_vif_first(ar); 1299990bd915SVasanthakumar Thiagarajan if (!vif) 1300990bd915SVasanthakumar Thiagarajan return -EIO; 1301990bd915SVasanthakumar Thiagarajan 1302990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1303bdcd8170SKalle Valo return -EIO; 1304bdcd8170SKalle Valo 1305bdcd8170SKalle Valo if (changed & WIPHY_PARAM_RTS_THRESHOLD) { 1306bdcd8170SKalle Valo ret = ath6kl_wmi_set_rts_cmd(ar->wmi, wiphy->rts_threshold); 1307bdcd8170SKalle Valo if (ret != 0) { 1308bdcd8170SKalle Valo ath6kl_err("ath6kl_wmi_set_rts_cmd failed\n"); 1309bdcd8170SKalle Valo return -EIO; 1310bdcd8170SKalle Valo } 1311bdcd8170SKalle Valo } 1312bdcd8170SKalle Valo 1313bdcd8170SKalle Valo return 0; 1314bdcd8170SKalle Valo } 1315bdcd8170SKalle Valo 1316bdcd8170SKalle Valo /* 1317bdcd8170SKalle Valo * The type nl80211_tx_power_setting replaces the following 1318bdcd8170SKalle Valo * data type from 2.6.36 onwards 1319bdcd8170SKalle Valo */ 1320bdcd8170SKalle Valo static int ath6kl_cfg80211_set_txpower(struct wiphy *wiphy, 1321bdcd8170SKalle Valo enum nl80211_tx_power_setting type, 1322b992a285SLuis R. Rodriguez int mbm) 1323bdcd8170SKalle Valo { 1324bdcd8170SKalle Valo struct ath6kl *ar = (struct ath6kl *)wiphy_priv(wiphy); 1325990bd915SVasanthakumar Thiagarajan struct ath6kl_vif *vif; 1326b992a285SLuis R. Rodriguez int dbm = MBM_TO_DBM(mbm); 1327bdcd8170SKalle Valo 1328bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type 0x%x, dbm %d\n", __func__, 1329bdcd8170SKalle Valo type, dbm); 1330bdcd8170SKalle Valo 1331990bd915SVasanthakumar Thiagarajan vif = ath6kl_vif_first(ar); 1332990bd915SVasanthakumar Thiagarajan if (!vif) 1333990bd915SVasanthakumar Thiagarajan return -EIO; 1334990bd915SVasanthakumar Thiagarajan 1335990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1336bdcd8170SKalle Valo return -EIO; 1337bdcd8170SKalle Valo 1338bdcd8170SKalle Valo switch (type) { 1339bdcd8170SKalle Valo case NL80211_TX_POWER_AUTOMATIC: 1340bdcd8170SKalle Valo return 0; 1341bdcd8170SKalle Valo case NL80211_TX_POWER_LIMITED: 1342d0d670abSKalle Valo ar->tx_pwr = dbm; 1343bdcd8170SKalle Valo break; 1344bdcd8170SKalle Valo default: 1345bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type 0x%x not supported\n", 1346bdcd8170SKalle Valo __func__, type); 1347bdcd8170SKalle Valo return -EOPNOTSUPP; 1348bdcd8170SKalle Valo } 1349bdcd8170SKalle Valo 1350d0d670abSKalle Valo ath6kl_wmi_set_tx_pwr_cmd(ar->wmi, vif->fw_vif_idx, dbm); 1351bdcd8170SKalle Valo 1352bdcd8170SKalle Valo return 0; 1353bdcd8170SKalle Valo } 1354bdcd8170SKalle Valo 1355bdcd8170SKalle Valo static int ath6kl_cfg80211_get_txpower(struct wiphy *wiphy, int *dbm) 1356bdcd8170SKalle Valo { 1357bdcd8170SKalle Valo struct ath6kl *ar = (struct ath6kl *)wiphy_priv(wiphy); 1358990bd915SVasanthakumar Thiagarajan struct ath6kl_vif *vif; 1359bdcd8170SKalle Valo 1360990bd915SVasanthakumar Thiagarajan vif = ath6kl_vif_first(ar); 1361990bd915SVasanthakumar Thiagarajan if (!vif) 1362990bd915SVasanthakumar Thiagarajan return -EIO; 1363990bd915SVasanthakumar Thiagarajan 1364990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1365bdcd8170SKalle Valo return -EIO; 1366bdcd8170SKalle Valo 136759c98449SVasanthakumar Thiagarajan if (test_bit(CONNECTED, &vif->flags)) { 1368bdcd8170SKalle Valo ar->tx_pwr = 0; 1369bdcd8170SKalle Valo 1370990bd915SVasanthakumar Thiagarajan if (ath6kl_wmi_get_tx_pwr_cmd(ar->wmi, vif->fw_vif_idx) != 0) { 1371bdcd8170SKalle Valo ath6kl_err("ath6kl_wmi_get_tx_pwr_cmd failed\n"); 1372bdcd8170SKalle Valo return -EIO; 1373bdcd8170SKalle Valo } 1374bdcd8170SKalle Valo 1375bdcd8170SKalle Valo wait_event_interruptible_timeout(ar->event_wq, ar->tx_pwr != 0, 1376bdcd8170SKalle Valo 5 * HZ); 1377bdcd8170SKalle Valo 1378bdcd8170SKalle Valo if (signal_pending(current)) { 1379bdcd8170SKalle Valo ath6kl_err("target did not respond\n"); 1380bdcd8170SKalle Valo return -EINTR; 1381bdcd8170SKalle Valo } 1382bdcd8170SKalle Valo } 1383bdcd8170SKalle Valo 1384bdcd8170SKalle Valo *dbm = ar->tx_pwr; 1385bdcd8170SKalle Valo return 0; 1386bdcd8170SKalle Valo } 1387bdcd8170SKalle Valo 1388bdcd8170SKalle Valo static int ath6kl_cfg80211_set_power_mgmt(struct wiphy *wiphy, 1389bdcd8170SKalle Valo struct net_device *dev, 1390bdcd8170SKalle Valo bool pmgmt, int timeout) 1391bdcd8170SKalle Valo { 1392bdcd8170SKalle Valo struct ath6kl *ar = ath6kl_priv(dev); 1393bdcd8170SKalle Valo struct wmi_power_mode_cmd mode; 1394334234b5SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 1395bdcd8170SKalle Valo 1396bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: pmgmt %d, timeout %d\n", 1397bdcd8170SKalle Valo __func__, pmgmt, timeout); 1398bdcd8170SKalle Valo 1399990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1400bdcd8170SKalle Valo return -EIO; 1401bdcd8170SKalle Valo 1402bdcd8170SKalle Valo if (pmgmt) { 1403bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: max perf\n", __func__); 1404bdcd8170SKalle Valo mode.pwr_mode = REC_POWER; 1405bdcd8170SKalle Valo } else { 1406bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: rec power\n", __func__); 1407bdcd8170SKalle Valo mode.pwr_mode = MAX_PERF_POWER; 1408bdcd8170SKalle Valo } 1409bdcd8170SKalle Valo 1410334234b5SVasanthakumar Thiagarajan if (ath6kl_wmi_powermode_cmd(ar->wmi, vif->fw_vif_idx, 1411334234b5SVasanthakumar Thiagarajan mode.pwr_mode) != 0) { 1412bdcd8170SKalle Valo ath6kl_err("wmi_powermode_cmd failed\n"); 1413bdcd8170SKalle Valo return -EIO; 1414bdcd8170SKalle Valo } 1415bdcd8170SKalle Valo 1416bdcd8170SKalle Valo return 0; 1417bdcd8170SKalle Valo } 1418bdcd8170SKalle Valo 141955055976SVasanthakumar Thiagarajan static struct net_device *ath6kl_cfg80211_add_iface(struct wiphy *wiphy, 142055055976SVasanthakumar Thiagarajan char *name, 142155055976SVasanthakumar Thiagarajan enum nl80211_iftype type, 142255055976SVasanthakumar Thiagarajan u32 *flags, 142355055976SVasanthakumar Thiagarajan struct vif_params *params) 142455055976SVasanthakumar Thiagarajan { 142555055976SVasanthakumar Thiagarajan struct ath6kl *ar = wiphy_priv(wiphy); 142655055976SVasanthakumar Thiagarajan struct net_device *ndev; 142755055976SVasanthakumar Thiagarajan u8 if_idx, nw_type; 142855055976SVasanthakumar Thiagarajan 142971f96ee6SKalle Valo if (ar->num_vif == ar->vif_max) { 143055055976SVasanthakumar Thiagarajan ath6kl_err("Reached maximum number of supported vif\n"); 143155055976SVasanthakumar Thiagarajan return ERR_PTR(-EINVAL); 143255055976SVasanthakumar Thiagarajan } 143355055976SVasanthakumar Thiagarajan 143455055976SVasanthakumar Thiagarajan if (!ath6kl_is_valid_iftype(ar, type, &if_idx, &nw_type)) { 143555055976SVasanthakumar Thiagarajan ath6kl_err("Not a supported interface type\n"); 143655055976SVasanthakumar Thiagarajan return ERR_PTR(-EINVAL); 143755055976SVasanthakumar Thiagarajan } 143855055976SVasanthakumar Thiagarajan 143955055976SVasanthakumar Thiagarajan ndev = ath6kl_interface_add(ar, name, type, if_idx, nw_type); 144055055976SVasanthakumar Thiagarajan if (!ndev) 144155055976SVasanthakumar Thiagarajan return ERR_PTR(-ENOMEM); 144255055976SVasanthakumar Thiagarajan 144355055976SVasanthakumar Thiagarajan ar->num_vif++; 144455055976SVasanthakumar Thiagarajan 144555055976SVasanthakumar Thiagarajan return ndev; 144655055976SVasanthakumar Thiagarajan } 144755055976SVasanthakumar Thiagarajan 144855055976SVasanthakumar Thiagarajan static int ath6kl_cfg80211_del_iface(struct wiphy *wiphy, 144955055976SVasanthakumar Thiagarajan struct net_device *ndev) 145055055976SVasanthakumar Thiagarajan { 145155055976SVasanthakumar Thiagarajan struct ath6kl *ar = wiphy_priv(wiphy); 145255055976SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(ndev); 145355055976SVasanthakumar Thiagarajan 145411f6e40dSVasanthakumar Thiagarajan spin_lock_bh(&ar->list_lock); 145555055976SVasanthakumar Thiagarajan list_del(&vif->list); 145611f6e40dSVasanthakumar Thiagarajan spin_unlock_bh(&ar->list_lock); 145755055976SVasanthakumar Thiagarajan 145855055976SVasanthakumar Thiagarajan ath6kl_cleanup_vif(vif, test_bit(WMI_READY, &ar->flag)); 145955055976SVasanthakumar Thiagarajan 1460c25889e8SKalle Valo ath6kl_cfg80211_vif_cleanup(vif); 146155055976SVasanthakumar Thiagarajan 146255055976SVasanthakumar Thiagarajan return 0; 146355055976SVasanthakumar Thiagarajan } 146455055976SVasanthakumar Thiagarajan 1465bdcd8170SKalle Valo static int ath6kl_cfg80211_change_iface(struct wiphy *wiphy, 1466bdcd8170SKalle Valo struct net_device *ndev, 1467bdcd8170SKalle Valo enum nl80211_iftype type, u32 *flags, 1468bdcd8170SKalle Valo struct vif_params *params) 1469bdcd8170SKalle Valo { 1470f5938f24SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(ndev); 14711e8d13b0SVasanthakumar Thiagarajan int i; 1472bdcd8170SKalle Valo 1473bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type %u\n", __func__, type); 1474bdcd8170SKalle Valo 14751e8d13b0SVasanthakumar Thiagarajan /* 14761e8d13b0SVasanthakumar Thiagarajan * Don't bring up p2p on an interface which is not initialized 14771e8d13b0SVasanthakumar Thiagarajan * for p2p operation where fw does not have capability to switch 14781e8d13b0SVasanthakumar Thiagarajan * dynamically between non-p2p and p2p type interface. 14791e8d13b0SVasanthakumar Thiagarajan */ 14801e8d13b0SVasanthakumar Thiagarajan if (!test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX, 14811e8d13b0SVasanthakumar Thiagarajan vif->ar->fw_capabilities) && 14821e8d13b0SVasanthakumar Thiagarajan (type == NL80211_IFTYPE_P2P_CLIENT || 14831e8d13b0SVasanthakumar Thiagarajan type == NL80211_IFTYPE_P2P_GO)) { 14841e8d13b0SVasanthakumar Thiagarajan if (vif->ar->vif_max == 1) { 14851e8d13b0SVasanthakumar Thiagarajan if (vif->fw_vif_idx != 0) 14861e8d13b0SVasanthakumar Thiagarajan return -EINVAL; 14871e8d13b0SVasanthakumar Thiagarajan else 14881e8d13b0SVasanthakumar Thiagarajan goto set_iface_type; 14891e8d13b0SVasanthakumar Thiagarajan } 14901e8d13b0SVasanthakumar Thiagarajan 14911e8d13b0SVasanthakumar Thiagarajan for (i = vif->ar->max_norm_iface; i < vif->ar->vif_max; i++) { 14921e8d13b0SVasanthakumar Thiagarajan if (i == vif->fw_vif_idx) 14931e8d13b0SVasanthakumar Thiagarajan break; 14941e8d13b0SVasanthakumar Thiagarajan } 14951e8d13b0SVasanthakumar Thiagarajan 14961e8d13b0SVasanthakumar Thiagarajan if (i == vif->ar->vif_max) { 14971e8d13b0SVasanthakumar Thiagarajan ath6kl_err("Invalid interface to bring up P2P\n"); 14981e8d13b0SVasanthakumar Thiagarajan return -EINVAL; 14991e8d13b0SVasanthakumar Thiagarajan } 15001e8d13b0SVasanthakumar Thiagarajan } 15011e8d13b0SVasanthakumar Thiagarajan 15021e8d13b0SVasanthakumar Thiagarajan set_iface_type: 1503bdcd8170SKalle Valo switch (type) { 1504bdcd8170SKalle Valo case NL80211_IFTYPE_STATION: 1505f5938f24SVasanthakumar Thiagarajan vif->next_mode = INFRA_NETWORK; 1506bdcd8170SKalle Valo break; 1507bdcd8170SKalle Valo case NL80211_IFTYPE_ADHOC: 1508f5938f24SVasanthakumar Thiagarajan vif->next_mode = ADHOC_NETWORK; 1509bdcd8170SKalle Valo break; 15106e4604c8SJouni Malinen case NL80211_IFTYPE_AP: 1511f5938f24SVasanthakumar Thiagarajan vif->next_mode = AP_NETWORK; 15126e4604c8SJouni Malinen break; 15136b5e5d25SJouni Malinen case NL80211_IFTYPE_P2P_CLIENT: 1514f5938f24SVasanthakumar Thiagarajan vif->next_mode = INFRA_NETWORK; 15156b5e5d25SJouni Malinen break; 15166b5e5d25SJouni Malinen case NL80211_IFTYPE_P2P_GO: 1517f5938f24SVasanthakumar Thiagarajan vif->next_mode = AP_NETWORK; 15186b5e5d25SJouni Malinen break; 1519bdcd8170SKalle Valo default: 1520bdcd8170SKalle Valo ath6kl_err("invalid interface type %u\n", type); 1521bdcd8170SKalle Valo return -EOPNOTSUPP; 1522bdcd8170SKalle Valo } 1523bdcd8170SKalle Valo 1524551959d8SVasanthakumar Thiagarajan vif->wdev.iftype = type; 1525bdcd8170SKalle Valo 1526bdcd8170SKalle Valo return 0; 1527bdcd8170SKalle Valo } 1528bdcd8170SKalle Valo 1529bdcd8170SKalle Valo static int ath6kl_cfg80211_join_ibss(struct wiphy *wiphy, 1530bdcd8170SKalle Valo struct net_device *dev, 1531bdcd8170SKalle Valo struct cfg80211_ibss_params *ibss_param) 1532bdcd8170SKalle Valo { 1533bdcd8170SKalle Valo struct ath6kl *ar = ath6kl_priv(dev); 153459c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 1535bdcd8170SKalle Valo int status; 1536bdcd8170SKalle Valo 1537990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1538bdcd8170SKalle Valo return -EIO; 1539bdcd8170SKalle Valo 15403450334fSVasanthakumar Thiagarajan vif->ssid_len = ibss_param->ssid_len; 15413450334fSVasanthakumar Thiagarajan memcpy(vif->ssid, ibss_param->ssid, vif->ssid_len); 1542bdcd8170SKalle Valo 1543bdcd8170SKalle Valo if (ibss_param->channel) 1544f74bac54SVasanthakumar Thiagarajan vif->ch_hint = ibss_param->channel->center_freq; 1545bdcd8170SKalle Valo 1546bdcd8170SKalle Valo if (ibss_param->channel_fixed) { 1547bdcd8170SKalle Valo /* 1548bdcd8170SKalle Valo * TODO: channel_fixed: The channel should be fixed, do not 1549bdcd8170SKalle Valo * search for IBSSs to join on other channels. Target 1550bdcd8170SKalle Valo * firmware does not support this feature, needs to be 1551bdcd8170SKalle Valo * updated. 1552bdcd8170SKalle Valo */ 1553bdcd8170SKalle Valo return -EOPNOTSUPP; 1554bdcd8170SKalle Valo } 1555bdcd8170SKalle Valo 15568c8b65e3SVasanthakumar Thiagarajan memset(vif->req_bssid, 0, sizeof(vif->req_bssid)); 1557bdcd8170SKalle Valo if (ibss_param->bssid && !is_broadcast_ether_addr(ibss_param->bssid)) 15588c8b65e3SVasanthakumar Thiagarajan memcpy(vif->req_bssid, ibss_param->bssid, 15598c8b65e3SVasanthakumar Thiagarajan sizeof(vif->req_bssid)); 1560bdcd8170SKalle Valo 1561240d2799SVasanthakumar Thiagarajan ath6kl_set_wpa_version(vif, 0); 1562bdcd8170SKalle Valo 1563240d2799SVasanthakumar Thiagarajan status = ath6kl_set_auth_type(vif, NL80211_AUTHTYPE_OPEN_SYSTEM); 1564bdcd8170SKalle Valo if (status) 1565bdcd8170SKalle Valo return status; 1566bdcd8170SKalle Valo 1567bdcd8170SKalle Valo if (ibss_param->privacy) { 1568240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, WLAN_CIPHER_SUITE_WEP40, true); 1569240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, WLAN_CIPHER_SUITE_WEP40, false); 1570bdcd8170SKalle Valo } else { 1571240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, 0, true); 1572240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, 0, false); 1573bdcd8170SKalle Valo } 1574bdcd8170SKalle Valo 1575f5938f24SVasanthakumar Thiagarajan vif->nw_type = vif->next_mode; 1576bdcd8170SKalle Valo 1577bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1578bdcd8170SKalle Valo "%s: connect called with authmode %d dot11 auth %d" 1579bdcd8170SKalle Valo " PW crypto %d PW crypto len %d GRP crypto %d" 1580bdcd8170SKalle Valo " GRP crypto len %d channel hint %u\n", 1581bdcd8170SKalle Valo __func__, 15823450334fSVasanthakumar Thiagarajan vif->auth_mode, vif->dot11_auth_mode, vif->prwise_crypto, 15833450334fSVasanthakumar Thiagarajan vif->prwise_crypto_len, vif->grp_crypto, 1584f74bac54SVasanthakumar Thiagarajan vif->grp_crypto_len, vif->ch_hint); 1585bdcd8170SKalle Valo 1586334234b5SVasanthakumar Thiagarajan status = ath6kl_wmi_connect_cmd(ar->wmi, vif->fw_vif_idx, vif->nw_type, 15873450334fSVasanthakumar Thiagarajan vif->dot11_auth_mode, vif->auth_mode, 15883450334fSVasanthakumar Thiagarajan vif->prwise_crypto, 15893450334fSVasanthakumar Thiagarajan vif->prwise_crypto_len, 15903450334fSVasanthakumar Thiagarajan vif->grp_crypto, vif->grp_crypto_len, 15913450334fSVasanthakumar Thiagarajan vif->ssid_len, vif->ssid, 1592f74bac54SVasanthakumar Thiagarajan vif->req_bssid, vif->ch_hint, 15933ca9d1fcSAarthi Thiruvengadam ar->connect_ctrl_flags, SUBTYPE_NONE); 159459c98449SVasanthakumar Thiagarajan set_bit(CONNECT_PEND, &vif->flags); 1595bdcd8170SKalle Valo 1596bdcd8170SKalle Valo return 0; 1597bdcd8170SKalle Valo } 1598bdcd8170SKalle Valo 1599bdcd8170SKalle Valo static int ath6kl_cfg80211_leave_ibss(struct wiphy *wiphy, 1600bdcd8170SKalle Valo struct net_device *dev) 1601bdcd8170SKalle Valo { 16023450334fSVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 1603bdcd8170SKalle Valo 1604990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1605bdcd8170SKalle Valo return -EIO; 1606bdcd8170SKalle Valo 1607240d2799SVasanthakumar Thiagarajan ath6kl_disconnect(vif); 16083450334fSVasanthakumar Thiagarajan memset(vif->ssid, 0, sizeof(vif->ssid)); 16093450334fSVasanthakumar Thiagarajan vif->ssid_len = 0; 1610bdcd8170SKalle Valo 1611bdcd8170SKalle Valo return 0; 1612bdcd8170SKalle Valo } 1613bdcd8170SKalle Valo 1614bdcd8170SKalle Valo static const u32 cipher_suites[] = { 1615bdcd8170SKalle Valo WLAN_CIPHER_SUITE_WEP40, 1616bdcd8170SKalle Valo WLAN_CIPHER_SUITE_WEP104, 1617bdcd8170SKalle Valo WLAN_CIPHER_SUITE_TKIP, 1618bdcd8170SKalle Valo WLAN_CIPHER_SUITE_CCMP, 1619837cb97eSJouni Malinen CCKM_KRK_CIPHER_SUITE, 16205e07021eSDai Shuibing WLAN_CIPHER_SUITE_SMS4, 1621bdcd8170SKalle Valo }; 1622bdcd8170SKalle Valo 1623bdcd8170SKalle Valo static bool is_rate_legacy(s32 rate) 1624bdcd8170SKalle Valo { 1625bdcd8170SKalle Valo static const s32 legacy[] = { 1000, 2000, 5500, 11000, 1626bdcd8170SKalle Valo 6000, 9000, 12000, 18000, 24000, 1627bdcd8170SKalle Valo 36000, 48000, 54000 1628bdcd8170SKalle Valo }; 1629bdcd8170SKalle Valo u8 i; 1630bdcd8170SKalle Valo 1631bdcd8170SKalle Valo for (i = 0; i < ARRAY_SIZE(legacy); i++) 1632bdcd8170SKalle Valo if (rate == legacy[i]) 1633bdcd8170SKalle Valo return true; 1634bdcd8170SKalle Valo 1635bdcd8170SKalle Valo return false; 1636bdcd8170SKalle Valo } 1637bdcd8170SKalle Valo 1638bdcd8170SKalle Valo static bool is_rate_ht20(s32 rate, u8 *mcs, bool *sgi) 1639bdcd8170SKalle Valo { 1640bdcd8170SKalle Valo static const s32 ht20[] = { 6500, 13000, 19500, 26000, 39000, 1641bdcd8170SKalle Valo 52000, 58500, 65000, 72200 1642bdcd8170SKalle Valo }; 1643bdcd8170SKalle Valo u8 i; 1644bdcd8170SKalle Valo 1645bdcd8170SKalle Valo for (i = 0; i < ARRAY_SIZE(ht20); i++) { 1646bdcd8170SKalle Valo if (rate == ht20[i]) { 1647bdcd8170SKalle Valo if (i == ARRAY_SIZE(ht20) - 1) 1648bdcd8170SKalle Valo /* last rate uses sgi */ 1649bdcd8170SKalle Valo *sgi = true; 1650bdcd8170SKalle Valo else 1651bdcd8170SKalle Valo *sgi = false; 1652bdcd8170SKalle Valo 1653bdcd8170SKalle Valo *mcs = i; 1654bdcd8170SKalle Valo return true; 1655bdcd8170SKalle Valo } 1656bdcd8170SKalle Valo } 1657bdcd8170SKalle Valo return false; 1658bdcd8170SKalle Valo } 1659bdcd8170SKalle Valo 1660bdcd8170SKalle Valo static bool is_rate_ht40(s32 rate, u8 *mcs, bool *sgi) 1661bdcd8170SKalle Valo { 1662bdcd8170SKalle Valo static const s32 ht40[] = { 13500, 27000, 40500, 54000, 1663bdcd8170SKalle Valo 81000, 108000, 121500, 135000, 1664bdcd8170SKalle Valo 150000 1665bdcd8170SKalle Valo }; 1666bdcd8170SKalle Valo u8 i; 1667bdcd8170SKalle Valo 1668bdcd8170SKalle Valo for (i = 0; i < ARRAY_SIZE(ht40); i++) { 1669bdcd8170SKalle Valo if (rate == ht40[i]) { 1670bdcd8170SKalle Valo if (i == ARRAY_SIZE(ht40) - 1) 1671bdcd8170SKalle Valo /* last rate uses sgi */ 1672bdcd8170SKalle Valo *sgi = true; 1673bdcd8170SKalle Valo else 1674bdcd8170SKalle Valo *sgi = false; 1675bdcd8170SKalle Valo 1676bdcd8170SKalle Valo *mcs = i; 1677bdcd8170SKalle Valo return true; 1678bdcd8170SKalle Valo } 1679bdcd8170SKalle Valo } 1680bdcd8170SKalle Valo 1681bdcd8170SKalle Valo return false; 1682bdcd8170SKalle Valo } 1683bdcd8170SKalle Valo 1684bdcd8170SKalle Valo static int ath6kl_get_station(struct wiphy *wiphy, struct net_device *dev, 1685bdcd8170SKalle Valo u8 *mac, struct station_info *sinfo) 1686bdcd8170SKalle Valo { 1687bdcd8170SKalle Valo struct ath6kl *ar = ath6kl_priv(dev); 168859c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 1689bdcd8170SKalle Valo long left; 1690bdcd8170SKalle Valo bool sgi; 1691bdcd8170SKalle Valo s32 rate; 1692bdcd8170SKalle Valo int ret; 1693bdcd8170SKalle Valo u8 mcs; 1694bdcd8170SKalle Valo 16958c8b65e3SVasanthakumar Thiagarajan if (memcmp(mac, vif->bssid, ETH_ALEN) != 0) 1696bdcd8170SKalle Valo return -ENOENT; 1697bdcd8170SKalle Valo 1698bdcd8170SKalle Valo if (down_interruptible(&ar->sem)) 1699bdcd8170SKalle Valo return -EBUSY; 1700bdcd8170SKalle Valo 1701b95907a7SVasanthakumar Thiagarajan set_bit(STATS_UPDATE_PEND, &vif->flags); 1702bdcd8170SKalle Valo 1703334234b5SVasanthakumar Thiagarajan ret = ath6kl_wmi_get_stats_cmd(ar->wmi, vif->fw_vif_idx); 1704bdcd8170SKalle Valo 1705bdcd8170SKalle Valo if (ret != 0) { 1706bdcd8170SKalle Valo up(&ar->sem); 1707bdcd8170SKalle Valo return -EIO; 1708bdcd8170SKalle Valo } 1709bdcd8170SKalle Valo 1710bdcd8170SKalle Valo left = wait_event_interruptible_timeout(ar->event_wq, 1711bdcd8170SKalle Valo !test_bit(STATS_UPDATE_PEND, 1712b95907a7SVasanthakumar Thiagarajan &vif->flags), 1713bdcd8170SKalle Valo WMI_TIMEOUT); 1714bdcd8170SKalle Valo 1715bdcd8170SKalle Valo up(&ar->sem); 1716bdcd8170SKalle Valo 1717bdcd8170SKalle Valo if (left == 0) 1718bdcd8170SKalle Valo return -ETIMEDOUT; 1719bdcd8170SKalle Valo else if (left < 0) 1720bdcd8170SKalle Valo return left; 1721bdcd8170SKalle Valo 1722b95907a7SVasanthakumar Thiagarajan if (vif->target_stats.rx_byte) { 1723b95907a7SVasanthakumar Thiagarajan sinfo->rx_bytes = vif->target_stats.rx_byte; 1724bdcd8170SKalle Valo sinfo->filled |= STATION_INFO_RX_BYTES; 1725b95907a7SVasanthakumar Thiagarajan sinfo->rx_packets = vif->target_stats.rx_pkt; 1726bdcd8170SKalle Valo sinfo->filled |= STATION_INFO_RX_PACKETS; 1727bdcd8170SKalle Valo } 1728bdcd8170SKalle Valo 1729b95907a7SVasanthakumar Thiagarajan if (vif->target_stats.tx_byte) { 1730b95907a7SVasanthakumar Thiagarajan sinfo->tx_bytes = vif->target_stats.tx_byte; 1731bdcd8170SKalle Valo sinfo->filled |= STATION_INFO_TX_BYTES; 1732b95907a7SVasanthakumar Thiagarajan sinfo->tx_packets = vif->target_stats.tx_pkt; 1733bdcd8170SKalle Valo sinfo->filled |= STATION_INFO_TX_PACKETS; 1734bdcd8170SKalle Valo } 1735bdcd8170SKalle Valo 1736b95907a7SVasanthakumar Thiagarajan sinfo->signal = vif->target_stats.cs_rssi; 1737bdcd8170SKalle Valo sinfo->filled |= STATION_INFO_SIGNAL; 1738bdcd8170SKalle Valo 1739b95907a7SVasanthakumar Thiagarajan rate = vif->target_stats.tx_ucast_rate; 1740bdcd8170SKalle Valo 1741bdcd8170SKalle Valo if (is_rate_legacy(rate)) { 1742bdcd8170SKalle Valo sinfo->txrate.legacy = rate / 100; 1743bdcd8170SKalle Valo } else if (is_rate_ht20(rate, &mcs, &sgi)) { 1744bdcd8170SKalle Valo if (sgi) { 1745bdcd8170SKalle Valo sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI; 1746bdcd8170SKalle Valo sinfo->txrate.mcs = mcs - 1; 1747bdcd8170SKalle Valo } else { 1748bdcd8170SKalle Valo sinfo->txrate.mcs = mcs; 1749bdcd8170SKalle Valo } 1750bdcd8170SKalle Valo 1751bdcd8170SKalle Valo sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS; 1752bdcd8170SKalle Valo } else if (is_rate_ht40(rate, &mcs, &sgi)) { 1753bdcd8170SKalle Valo if (sgi) { 1754bdcd8170SKalle Valo sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI; 1755bdcd8170SKalle Valo sinfo->txrate.mcs = mcs - 1; 1756bdcd8170SKalle Valo } else { 1757bdcd8170SKalle Valo sinfo->txrate.mcs = mcs; 1758bdcd8170SKalle Valo } 1759bdcd8170SKalle Valo 1760bdcd8170SKalle Valo sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH; 1761bdcd8170SKalle Valo sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS; 1762bdcd8170SKalle Valo } else { 17639a730834SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 17649a730834SKalle Valo "invalid rate from stats: %d\n", rate); 17659a730834SKalle Valo ath6kl_debug_war(ar, ATH6KL_WAR_INVALID_RATE); 1766bdcd8170SKalle Valo return 0; 1767bdcd8170SKalle Valo } 1768bdcd8170SKalle Valo 1769bdcd8170SKalle Valo sinfo->filled |= STATION_INFO_TX_BITRATE; 1770bdcd8170SKalle Valo 177159c98449SVasanthakumar Thiagarajan if (test_bit(CONNECTED, &vif->flags) && 177259c98449SVasanthakumar Thiagarajan test_bit(DTIM_PERIOD_AVAIL, &vif->flags) && 1773f5938f24SVasanthakumar Thiagarajan vif->nw_type == INFRA_NETWORK) { 177432c10874SJouni Malinen sinfo->filled |= STATION_INFO_BSS_PARAM; 177532c10874SJouni Malinen sinfo->bss_param.flags = 0; 1776cf5333d7SVasanthakumar Thiagarajan sinfo->bss_param.dtim_period = vif->assoc_bss_dtim_period; 1777cf5333d7SVasanthakumar Thiagarajan sinfo->bss_param.beacon_interval = vif->assoc_bss_beacon_int; 177832c10874SJouni Malinen } 177932c10874SJouni Malinen 1780bdcd8170SKalle Valo return 0; 1781bdcd8170SKalle Valo } 1782bdcd8170SKalle Valo 1783bdcd8170SKalle Valo static int ath6kl_set_pmksa(struct wiphy *wiphy, struct net_device *netdev, 1784bdcd8170SKalle Valo struct cfg80211_pmksa *pmksa) 1785bdcd8170SKalle Valo { 1786bdcd8170SKalle Valo struct ath6kl *ar = ath6kl_priv(netdev); 1787334234b5SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(netdev); 1788334234b5SVasanthakumar Thiagarajan 1789334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_setpmkid_cmd(ar->wmi, vif->fw_vif_idx, pmksa->bssid, 1790bdcd8170SKalle Valo pmksa->pmkid, true); 1791bdcd8170SKalle Valo } 1792bdcd8170SKalle Valo 1793bdcd8170SKalle Valo static int ath6kl_del_pmksa(struct wiphy *wiphy, struct net_device *netdev, 1794bdcd8170SKalle Valo struct cfg80211_pmksa *pmksa) 1795bdcd8170SKalle Valo { 1796bdcd8170SKalle Valo struct ath6kl *ar = ath6kl_priv(netdev); 1797334234b5SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(netdev); 1798334234b5SVasanthakumar Thiagarajan 1799334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_setpmkid_cmd(ar->wmi, vif->fw_vif_idx, pmksa->bssid, 1800bdcd8170SKalle Valo pmksa->pmkid, false); 1801bdcd8170SKalle Valo } 1802bdcd8170SKalle Valo 1803bdcd8170SKalle Valo static int ath6kl_flush_pmksa(struct wiphy *wiphy, struct net_device *netdev) 1804bdcd8170SKalle Valo { 1805bdcd8170SKalle Valo struct ath6kl *ar = ath6kl_priv(netdev); 180659c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(netdev); 180759c98449SVasanthakumar Thiagarajan 180859c98449SVasanthakumar Thiagarajan if (test_bit(CONNECTED, &vif->flags)) 1809334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_setpmkid_cmd(ar->wmi, vif->fw_vif_idx, 1810334234b5SVasanthakumar Thiagarajan vif->bssid, NULL, false); 1811bdcd8170SKalle Valo return 0; 1812bdcd8170SKalle Valo } 1813bdcd8170SKalle Valo 1814d91e8eeeSRaja Mani static int ath6kl_wow_usr(struct ath6kl *ar, struct ath6kl_vif *vif, 1815d91e8eeeSRaja Mani struct cfg80211_wowlan *wow, u32 *filter) 18166cb3c714SRaja Mani { 1817d91e8eeeSRaja Mani int ret, pos; 1818d91e8eeeSRaja Mani u8 mask[WOW_MASK_SIZE]; 18196cb3c714SRaja Mani u16 i; 18206cb3c714SRaja Mani 1821d91e8eeeSRaja Mani /* Configure the patterns that we received from the user. */ 18226cb3c714SRaja Mani for (i = 0; i < wow->n_patterns; i++) { 18236cb3c714SRaja Mani 18246cb3c714SRaja Mani /* 18256cb3c714SRaja Mani * Convert given nl80211 specific mask value to equivalent 18266cb3c714SRaja Mani * driver specific mask value and send it to the chip along 18276cb3c714SRaja Mani * with patterns. For example, If the mask value defined in 18286cb3c714SRaja Mani * struct cfg80211_wowlan is 0xA (equivalent binary is 1010), 18296cb3c714SRaja Mani * then equivalent driver specific mask value is 18306cb3c714SRaja Mani * "0xFF 0x00 0xFF 0x00". 18316cb3c714SRaja Mani */ 18326cb3c714SRaja Mani memset(&mask, 0, sizeof(mask)); 18336cb3c714SRaja Mani for (pos = 0; pos < wow->patterns[i].pattern_len; pos++) { 18346cb3c714SRaja Mani if (wow->patterns[i].mask[pos / 8] & (0x1 << (pos % 8))) 18356cb3c714SRaja Mani mask[pos] = 0xFF; 18366cb3c714SRaja Mani } 18376cb3c714SRaja Mani /* 18386cb3c714SRaja Mani * Note: Pattern's offset is not passed as part of wowlan 18396cb3c714SRaja Mani * parameter from CFG layer. So it's always passed as ZERO 18406cb3c714SRaja Mani * to the firmware. It means, given WOW patterns are always 18416cb3c714SRaja Mani * matched from the first byte of received pkt in the firmware. 18426cb3c714SRaja Mani */ 18436cb3c714SRaja Mani ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, 18446cb3c714SRaja Mani vif->fw_vif_idx, WOW_LIST_ID, 18456cb3c714SRaja Mani wow->patterns[i].pattern_len, 18466cb3c714SRaja Mani 0 /* pattern offset */, 18476cb3c714SRaja Mani wow->patterns[i].pattern, mask); 18486cb3c714SRaja Mani if (ret) 18496cb3c714SRaja Mani return ret; 18506cb3c714SRaja Mani } 18516cb3c714SRaja Mani 1852d91e8eeeSRaja Mani if (wow->disconnect) 1853d91e8eeeSRaja Mani *filter |= WOW_FILTER_OPTION_NWK_DISASSOC; 1854d91e8eeeSRaja Mani 1855d91e8eeeSRaja Mani if (wow->magic_pkt) 1856d91e8eeeSRaja Mani *filter |= WOW_FILTER_OPTION_MAGIC_PACKET; 1857d91e8eeeSRaja Mani 1858d91e8eeeSRaja Mani if (wow->gtk_rekey_failure) 1859d91e8eeeSRaja Mani *filter |= WOW_FILTER_OPTION_GTK_ERROR; 1860d91e8eeeSRaja Mani 1861d91e8eeeSRaja Mani if (wow->eap_identity_req) 1862d91e8eeeSRaja Mani *filter |= WOW_FILTER_OPTION_EAP_REQ; 1863d91e8eeeSRaja Mani 1864d91e8eeeSRaja Mani if (wow->four_way_handshake) 1865d91e8eeeSRaja Mani *filter |= WOW_FILTER_OPTION_8021X_4WAYHS; 1866d91e8eeeSRaja Mani 1867d91e8eeeSRaja Mani return 0; 1868d91e8eeeSRaja Mani } 1869d91e8eeeSRaja Mani 1870d91e8eeeSRaja Mani static int ath6kl_wow_ap(struct ath6kl *ar, struct ath6kl_vif *vif) 1871d91e8eeeSRaja Mani { 1872d91e8eeeSRaja Mani static const u8 unicst_pattern[] = { 0x00, 0x00, 0x00, 1873d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1874d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1875d91e8eeeSRaja Mani 0x00, 0x08 }; 1876d91e8eeeSRaja Mani static const u8 unicst_mask[] = { 0x01, 0x00, 0x00, 1877d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1878d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1879d91e8eeeSRaja Mani 0x00, 0x7f }; 1880d91e8eeeSRaja Mani u8 unicst_offset = 0; 1881d91e8eeeSRaja Mani static const u8 arp_pattern[] = { 0x08, 0x06 }; 1882d91e8eeeSRaja Mani static const u8 arp_mask[] = { 0xff, 0xff }; 1883d91e8eeeSRaja Mani u8 arp_offset = 20; 1884d91e8eeeSRaja Mani static const u8 discvr_pattern[] = { 0xe0, 0x00, 0x00, 0xf8 }; 1885d91e8eeeSRaja Mani static const u8 discvr_mask[] = { 0xf0, 0x00, 0x00, 0xf8 }; 1886d91e8eeeSRaja Mani u8 discvr_offset = 38; 1887d91e8eeeSRaja Mani static const u8 dhcp_pattern[] = { 0xff, 0xff, 0xff, 0xff, 1888d91e8eeeSRaja Mani 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1889d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 1890d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1891d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1892d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x43 /* port 67 */ }; 1893d91e8eeeSRaja Mani static const u8 dhcp_mask[] = { 0xff, 0xff, 0xff, 0xff, 1894d91e8eeeSRaja Mani 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1895d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 1896d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1897d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1898d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0xff, 0xff /* port 67 */ }; 1899d91e8eeeSRaja Mani u8 dhcp_offset = 0; 1900d91e8eeeSRaja Mani int ret; 1901d91e8eeeSRaja Mani 1902d91e8eeeSRaja Mani /* Setup unicast IP, EAPOL-like and ARP pkt pattern */ 1903d91e8eeeSRaja Mani ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, 1904d91e8eeeSRaja Mani vif->fw_vif_idx, WOW_LIST_ID, 1905d91e8eeeSRaja Mani sizeof(unicst_pattern), unicst_offset, 1906d91e8eeeSRaja Mani unicst_pattern, unicst_mask); 1907d91e8eeeSRaja Mani if (ret) { 1908d91e8eeeSRaja Mani ath6kl_err("failed to add WOW unicast IP pattern\n"); 1909d91e8eeeSRaja Mani return ret; 1910d91e8eeeSRaja Mani } 1911d91e8eeeSRaja Mani 1912d91e8eeeSRaja Mani /* Setup all ARP pkt pattern */ 1913d91e8eeeSRaja Mani ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, 1914d91e8eeeSRaja Mani vif->fw_vif_idx, WOW_LIST_ID, 1915d91e8eeeSRaja Mani sizeof(arp_pattern), arp_offset, 1916d91e8eeeSRaja Mani arp_pattern, arp_mask); 1917d91e8eeeSRaja Mani if (ret) { 1918d91e8eeeSRaja Mani ath6kl_err("failed to add WOW ARP pattern\n"); 1919d91e8eeeSRaja Mani return ret; 1920d91e8eeeSRaja Mani } 1921d91e8eeeSRaja Mani 1922d91e8eeeSRaja Mani /* 1923d91e8eeeSRaja Mani * Setup multicast pattern for mDNS 224.0.0.251, 1924d91e8eeeSRaja Mani * SSDP 239.255.255.250 and LLMNR 224.0.0.252 1925d91e8eeeSRaja Mani */ 1926d91e8eeeSRaja Mani ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, 1927d91e8eeeSRaja Mani vif->fw_vif_idx, WOW_LIST_ID, 1928d91e8eeeSRaja Mani sizeof(discvr_pattern), discvr_offset, 1929d91e8eeeSRaja Mani discvr_pattern, discvr_mask); 1930d91e8eeeSRaja Mani if (ret) { 1931d91e8eeeSRaja Mani ath6kl_err("failed to add WOW mDNS/SSDP/LLMNR pattern\n"); 1932d91e8eeeSRaja Mani return ret; 1933d91e8eeeSRaja Mani } 1934d91e8eeeSRaja Mani 1935d91e8eeeSRaja Mani /* Setup all DHCP broadcast pkt pattern */ 1936d91e8eeeSRaja Mani ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, 1937d91e8eeeSRaja Mani vif->fw_vif_idx, WOW_LIST_ID, 1938d91e8eeeSRaja Mani sizeof(dhcp_pattern), dhcp_offset, 1939d91e8eeeSRaja Mani dhcp_pattern, dhcp_mask); 1940d91e8eeeSRaja Mani if (ret) { 1941d91e8eeeSRaja Mani ath6kl_err("failed to add WOW DHCP broadcast pattern\n"); 1942d91e8eeeSRaja Mani return ret; 1943d91e8eeeSRaja Mani } 1944d91e8eeeSRaja Mani 1945d91e8eeeSRaja Mani return 0; 1946d91e8eeeSRaja Mani } 1947d91e8eeeSRaja Mani 1948d91e8eeeSRaja Mani static int ath6kl_wow_sta(struct ath6kl *ar, struct ath6kl_vif *vif) 1949d91e8eeeSRaja Mani { 1950d91e8eeeSRaja Mani struct net_device *ndev = vif->ndev; 1951d91e8eeeSRaja Mani static const u8 discvr_pattern[] = { 0xe0, 0x00, 0x00, 0xf8 }; 1952d91e8eeeSRaja Mani static const u8 discvr_mask[] = { 0xf0, 0x00, 0x00, 0xf8 }; 1953d91e8eeeSRaja Mani u8 discvr_offset = 38; 1954d91e8eeeSRaja Mani u8 mac_mask[ETH_ALEN]; 1955d91e8eeeSRaja Mani int ret; 1956d91e8eeeSRaja Mani 1957d91e8eeeSRaja Mani /* Setup unicast pkt pattern */ 1958d91e8eeeSRaja Mani memset(mac_mask, 0xff, ETH_ALEN); 1959d91e8eeeSRaja Mani ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, 1960d91e8eeeSRaja Mani vif->fw_vif_idx, WOW_LIST_ID, 1961d91e8eeeSRaja Mani ETH_ALEN, 0, ndev->dev_addr, 1962d91e8eeeSRaja Mani mac_mask); 1963d91e8eeeSRaja Mani if (ret) { 1964d91e8eeeSRaja Mani ath6kl_err("failed to add WOW unicast pattern\n"); 1965d91e8eeeSRaja Mani return ret; 1966d91e8eeeSRaja Mani } 1967d91e8eeeSRaja Mani 1968d91e8eeeSRaja Mani /* 1969d91e8eeeSRaja Mani * Setup multicast pattern for mDNS 224.0.0.251, 1970d91e8eeeSRaja Mani * SSDP 239.255.255.250 and LLMNR 224.0.0.252 1971d91e8eeeSRaja Mani */ 1972d91e8eeeSRaja Mani if ((ndev->flags & IFF_ALLMULTI) || 1973d91e8eeeSRaja Mani (ndev->flags & IFF_MULTICAST && netdev_mc_count(ndev) > 0)) { 1974d91e8eeeSRaja Mani ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, 1975d91e8eeeSRaja Mani vif->fw_vif_idx, WOW_LIST_ID, 1976d91e8eeeSRaja Mani sizeof(discvr_pattern), discvr_offset, 1977d91e8eeeSRaja Mani discvr_pattern, discvr_mask); 1978d91e8eeeSRaja Mani if (ret) { 1979d91e8eeeSRaja Mani ath6kl_err("failed to add WOW mDNS/SSDP/LLMNR " 1980d91e8eeeSRaja Mani "pattern\n"); 1981d91e8eeeSRaja Mani return ret; 1982d91e8eeeSRaja Mani } 1983d91e8eeeSRaja Mani } 1984d91e8eeeSRaja Mani 1985d91e8eeeSRaja Mani return 0; 1986d91e8eeeSRaja Mani } 1987d91e8eeeSRaja Mani 1988055bde49SRaja Mani static int is_hsleep_mode_procsed(struct ath6kl_vif *vif) 1989055bde49SRaja Mani { 1990055bde49SRaja Mani return test_bit(HOST_SLEEP_MODE_CMD_PROCESSED, &vif->flags); 1991055bde49SRaja Mani } 1992055bde49SRaja Mani 1993055bde49SRaja Mani static bool is_ctrl_ep_empty(struct ath6kl *ar) 1994055bde49SRaja Mani { 1995055bde49SRaja Mani return !ar->tx_pending[ar->ctrl_ep]; 1996055bde49SRaja Mani } 1997055bde49SRaja Mani 1998055bde49SRaja Mani static int ath6kl_cfg80211_host_sleep(struct ath6kl *ar, struct ath6kl_vif *vif) 1999055bde49SRaja Mani { 2000055bde49SRaja Mani int ret, left; 2001055bde49SRaja Mani 2002055bde49SRaja Mani clear_bit(HOST_SLEEP_MODE_CMD_PROCESSED, &vif->flags); 2003055bde49SRaja Mani 2004055bde49SRaja Mani ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx, 2005055bde49SRaja Mani ATH6KL_HOST_MODE_ASLEEP); 2006055bde49SRaja Mani if (ret) 2007055bde49SRaja Mani return ret; 2008055bde49SRaja Mani 2009055bde49SRaja Mani left = wait_event_interruptible_timeout(ar->event_wq, 2010055bde49SRaja Mani is_hsleep_mode_procsed(vif), 2011055bde49SRaja Mani WMI_TIMEOUT); 2012055bde49SRaja Mani if (left == 0) { 2013055bde49SRaja Mani ath6kl_warn("timeout, didn't get host sleep cmd processed event\n"); 2014055bde49SRaja Mani ret = -ETIMEDOUT; 2015055bde49SRaja Mani } else if (left < 0) { 2016055bde49SRaja Mani ath6kl_warn("error while waiting for host sleep cmd processed event %d\n", 2017055bde49SRaja Mani left); 2018055bde49SRaja Mani ret = left; 2019055bde49SRaja Mani } 2020055bde49SRaja Mani 2021055bde49SRaja Mani if (ar->tx_pending[ar->ctrl_ep]) { 2022055bde49SRaja Mani left = wait_event_interruptible_timeout(ar->event_wq, 2023055bde49SRaja Mani is_ctrl_ep_empty(ar), 2024055bde49SRaja Mani WMI_TIMEOUT); 2025055bde49SRaja Mani if (left == 0) { 2026055bde49SRaja Mani ath6kl_warn("clear wmi ctrl data timeout\n"); 2027055bde49SRaja Mani ret = -ETIMEDOUT; 2028055bde49SRaja Mani } else if (left < 0) { 2029055bde49SRaja Mani ath6kl_warn("clear wmi ctrl data failed: %d\n", left); 2030055bde49SRaja Mani ret = left; 2031055bde49SRaja Mani } 2032055bde49SRaja Mani } 2033055bde49SRaja Mani 2034055bde49SRaja Mani return ret; 2035055bde49SRaja Mani } 2036055bde49SRaja Mani 2037d91e8eeeSRaja Mani static int ath6kl_wow_suspend(struct ath6kl *ar, struct cfg80211_wowlan *wow) 2038d91e8eeeSRaja Mani { 2039d91e8eeeSRaja Mani struct in_device *in_dev; 2040d91e8eeeSRaja Mani struct in_ifaddr *ifa; 2041d91e8eeeSRaja Mani struct ath6kl_vif *vif; 2042055bde49SRaja Mani int ret; 2043d91e8eeeSRaja Mani u32 filter = 0; 2044ce0dc0cfSRaja Mani u16 i, bmiss_time; 2045d91e8eeeSRaja Mani u8 index = 0; 2046d91e8eeeSRaja Mani __be32 ips[MAX_IP_ADDRS]; 2047d91e8eeeSRaja Mani 2048d91e8eeeSRaja Mani vif = ath6kl_vif_first(ar); 2049d91e8eeeSRaja Mani if (!vif) 2050d91e8eeeSRaja Mani return -EIO; 2051d91e8eeeSRaja Mani 2052d91e8eeeSRaja Mani if (!ath6kl_cfg80211_ready(vif)) 2053d91e8eeeSRaja Mani return -EIO; 2054d91e8eeeSRaja Mani 2055d91e8eeeSRaja Mani if (!test_bit(CONNECTED, &vif->flags)) 20563c411a43SRaja Mani return -ENOTCONN; 2057d91e8eeeSRaja Mani 2058d91e8eeeSRaja Mani if (wow && (wow->n_patterns > WOW_MAX_FILTERS_PER_LIST)) 2059d91e8eeeSRaja Mani return -EINVAL; 2060d91e8eeeSRaja Mani 2061d91e8eeeSRaja Mani /* Clear existing WOW patterns */ 2062d91e8eeeSRaja Mani for (i = 0; i < WOW_MAX_FILTERS_PER_LIST; i++) 2063d91e8eeeSRaja Mani ath6kl_wmi_del_wow_pattern_cmd(ar->wmi, vif->fw_vif_idx, 2064d91e8eeeSRaja Mani WOW_LIST_ID, i); 2065d91e8eeeSRaja Mani 2066d91e8eeeSRaja Mani /* 2067d91e8eeeSRaja Mani * Skip the default WOW pattern configuration 2068d91e8eeeSRaja Mani * if the driver receives any WOW patterns from 2069d91e8eeeSRaja Mani * the user. 2070d91e8eeeSRaja Mani */ 2071d91e8eeeSRaja Mani if (wow) 2072d91e8eeeSRaja Mani ret = ath6kl_wow_usr(ar, vif, wow, &filter); 2073d91e8eeeSRaja Mani else if (vif->nw_type == AP_NETWORK) 2074d91e8eeeSRaja Mani ret = ath6kl_wow_ap(ar, vif); 2075d91e8eeeSRaja Mani else 2076d91e8eeeSRaja Mani ret = ath6kl_wow_sta(ar, vif); 2077d91e8eeeSRaja Mani 2078d91e8eeeSRaja Mani if (ret) 2079d91e8eeeSRaja Mani return ret; 2080d91e8eeeSRaja Mani 2081390a8c8fSRaja Mani netif_stop_queue(vif->ndev); 2082390a8c8fSRaja Mani 2083ce0dc0cfSRaja Mani if (vif->nw_type != AP_NETWORK) { 2084ce0dc0cfSRaja Mani ret = ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx, 2085ce0dc0cfSRaja Mani ATH6KL_MAX_WOW_LISTEN_INTL, 2086ce0dc0cfSRaja Mani 0); 2087ce0dc0cfSRaja Mani if (ret) 2088ce0dc0cfSRaja Mani return ret; 2089ce0dc0cfSRaja Mani 2090ce0dc0cfSRaja Mani /* Set listen interval x 15 times as bmiss time */ 2091ce0dc0cfSRaja Mani bmiss_time = ATH6KL_MAX_WOW_LISTEN_INTL * 15; 2092ce0dc0cfSRaja Mani if (bmiss_time > ATH6KL_MAX_BMISS_TIME) 2093ce0dc0cfSRaja Mani bmiss_time = ATH6KL_MAX_BMISS_TIME; 2094ce0dc0cfSRaja Mani 2095ce0dc0cfSRaja Mani ret = ath6kl_wmi_bmisstime_cmd(ar->wmi, vif->fw_vif_idx, 2096ce0dc0cfSRaja Mani bmiss_time, 0); 2097ce0dc0cfSRaja Mani if (ret) 2098ce0dc0cfSRaja Mani return ret; 2099ce0dc0cfSRaja Mani 2100ce0dc0cfSRaja Mani ret = ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx, 2101ce0dc0cfSRaja Mani 0xFFFF, 0, 0xFFFF, 0, 0, 0, 2102ce0dc0cfSRaja Mani 0, 0, 0, 0); 2103ce0dc0cfSRaja Mani if (ret) 2104ce0dc0cfSRaja Mani return ret; 2105ce0dc0cfSRaja Mani } 2106ce0dc0cfSRaja Mani 2107390a8c8fSRaja Mani ar->state = ATH6KL_STATE_SUSPENDING; 2108390a8c8fSRaja Mani 2109c08631c6SRaja Mani /* Setup own IP addr for ARP agent. */ 2110c08631c6SRaja Mani in_dev = __in_dev_get_rtnl(vif->ndev); 2111c08631c6SRaja Mani if (!in_dev) 2112c08631c6SRaja Mani goto skip_arp; 2113c08631c6SRaja Mani 2114c08631c6SRaja Mani ifa = in_dev->ifa_list; 2115c08631c6SRaja Mani memset(&ips, 0, sizeof(ips)); 2116c08631c6SRaja Mani 2117c08631c6SRaja Mani /* Configure IP addr only if IP address count < MAX_IP_ADDRS */ 2118c08631c6SRaja Mani while (index < MAX_IP_ADDRS && ifa) { 2119c08631c6SRaja Mani ips[index] = ifa->ifa_local; 2120c08631c6SRaja Mani ifa = ifa->ifa_next; 2121c08631c6SRaja Mani index++; 2122c08631c6SRaja Mani } 2123c08631c6SRaja Mani 2124c08631c6SRaja Mani if (ifa) { 2125c08631c6SRaja Mani ath6kl_err("total IP addr count is exceeding fw limit\n"); 2126c08631c6SRaja Mani return -EINVAL; 2127c08631c6SRaja Mani } 2128c08631c6SRaja Mani 2129c08631c6SRaja Mani ret = ath6kl_wmi_set_ip_cmd(ar->wmi, vif->fw_vif_idx, ips[0], ips[1]); 2130c08631c6SRaja Mani if (ret) { 2131c08631c6SRaja Mani ath6kl_err("fail to setup ip for arp agent\n"); 2132c08631c6SRaja Mani return ret; 2133c08631c6SRaja Mani } 2134c08631c6SRaja Mani 2135c08631c6SRaja Mani skip_arp: 21366cb3c714SRaja Mani ret = ath6kl_wmi_set_wow_mode_cmd(ar->wmi, vif->fw_vif_idx, 21376cb3c714SRaja Mani ATH6KL_WOW_MODE_ENABLE, 21386cb3c714SRaja Mani filter, 21396cb3c714SRaja Mani WOW_HOST_REQ_DELAY); 21406cb3c714SRaja Mani if (ret) 21416cb3c714SRaja Mani return ret; 21426cb3c714SRaja Mani 2143055bde49SRaja Mani ret = ath6kl_cfg80211_host_sleep(ar, vif); 21446cb3c714SRaja Mani if (ret) 21456cb3c714SRaja Mani return ret; 21466cb3c714SRaja Mani 2147055bde49SRaja Mani return 0; 21486cb3c714SRaja Mani } 21496cb3c714SRaja Mani 21506cb3c714SRaja Mani static int ath6kl_wow_resume(struct ath6kl *ar) 21516cb3c714SRaja Mani { 21526cb3c714SRaja Mani struct ath6kl_vif *vif; 21536cb3c714SRaja Mani int ret; 21546cb3c714SRaja Mani 21556cb3c714SRaja Mani vif = ath6kl_vif_first(ar); 21566cb3c714SRaja Mani if (!vif) 21576cb3c714SRaja Mani return -EIO; 21586cb3c714SRaja Mani 2159390a8c8fSRaja Mani ar->state = ATH6KL_STATE_RESUMING; 2160390a8c8fSRaja Mani 21616cb3c714SRaja Mani ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx, 21626cb3c714SRaja Mani ATH6KL_HOST_MODE_AWAKE); 2163390a8c8fSRaja Mani if (ret) { 2164390a8c8fSRaja Mani ath6kl_warn("Failed to configure host sleep mode for " 2165390a8c8fSRaja Mani "wow resume: %d\n", ret); 2166390a8c8fSRaja Mani ar->state = ATH6KL_STATE_WOW; 21676cb3c714SRaja Mani return ret; 21686cb3c714SRaja Mani } 21696cb3c714SRaja Mani 2170ce0dc0cfSRaja Mani if (vif->nw_type != AP_NETWORK) { 2171ce0dc0cfSRaja Mani ret = ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx, 2172ce0dc0cfSRaja Mani 0, 0, 0, 0, 0, 0, 3, 0, 0, 0); 2173ce0dc0cfSRaja Mani if (ret) 2174ce0dc0cfSRaja Mani return ret; 2175ce0dc0cfSRaja Mani 2176ce0dc0cfSRaja Mani ret = ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx, 2177ce0dc0cfSRaja Mani vif->listen_intvl_t, 0); 2178ce0dc0cfSRaja Mani if (ret) 2179ce0dc0cfSRaja Mani return ret; 2180ce0dc0cfSRaja Mani 2181ce0dc0cfSRaja Mani ret = ath6kl_wmi_bmisstime_cmd(ar->wmi, vif->fw_vif_idx, 2182ce0dc0cfSRaja Mani vif->bmiss_time_t, 0); 2183ce0dc0cfSRaja Mani if (ret) 2184ce0dc0cfSRaja Mani return ret; 2185ce0dc0cfSRaja Mani } 2186ce0dc0cfSRaja Mani 2187390a8c8fSRaja Mani ar->state = ATH6KL_STATE_ON; 2188390a8c8fSRaja Mani 2189390a8c8fSRaja Mani netif_wake_queue(vif->ndev); 2190390a8c8fSRaja Mani 2191390a8c8fSRaja Mani return 0; 2192390a8c8fSRaja Mani } 2193390a8c8fSRaja Mani 219440abc2deSRaja Mani static int ath6kl_cfg80211_deepsleep_suspend(struct ath6kl *ar) 219540abc2deSRaja Mani { 219640abc2deSRaja Mani struct ath6kl_vif *vif; 219740abc2deSRaja Mani int ret; 219840abc2deSRaja Mani 219940abc2deSRaja Mani vif = ath6kl_vif_first(ar); 220040abc2deSRaja Mani if (!vif) 220140abc2deSRaja Mani return -EIO; 220240abc2deSRaja Mani 220340abc2deSRaja Mani if (!ath6kl_cfg80211_ready(vif)) 220440abc2deSRaja Mani return -EIO; 220540abc2deSRaja Mani 220640abc2deSRaja Mani ath6kl_cfg80211_stop_all(ar); 220740abc2deSRaja Mani 220840abc2deSRaja Mani /* Save the current power mode before enabling power save */ 220940abc2deSRaja Mani ar->wmi->saved_pwr_mode = ar->wmi->pwr_mode; 221040abc2deSRaja Mani 221140abc2deSRaja Mani ret = ath6kl_wmi_powermode_cmd(ar->wmi, 0, REC_POWER); 221240abc2deSRaja Mani if (ret) 221340abc2deSRaja Mani return ret; 221440abc2deSRaja Mani 221540abc2deSRaja Mani /* Disable WOW mode */ 221640abc2deSRaja Mani ret = ath6kl_wmi_set_wow_mode_cmd(ar->wmi, vif->fw_vif_idx, 221740abc2deSRaja Mani ATH6KL_WOW_MODE_DISABLE, 221840abc2deSRaja Mani 0, 0); 221940abc2deSRaja Mani if (ret) 222040abc2deSRaja Mani return ret; 222140abc2deSRaja Mani 222240abc2deSRaja Mani /* Flush all non control pkts in TX path */ 222340abc2deSRaja Mani ath6kl_tx_data_cleanup(ar); 222440abc2deSRaja Mani 222540abc2deSRaja Mani ret = ath6kl_cfg80211_host_sleep(ar, vif); 222640abc2deSRaja Mani if (ret) 222740abc2deSRaja Mani return ret; 222840abc2deSRaja Mani 222940abc2deSRaja Mani return 0; 223040abc2deSRaja Mani } 223140abc2deSRaja Mani 223240abc2deSRaja Mani static int ath6kl_cfg80211_deepsleep_resume(struct ath6kl *ar) 223340abc2deSRaja Mani { 223440abc2deSRaja Mani struct ath6kl_vif *vif; 223540abc2deSRaja Mani int ret; 223640abc2deSRaja Mani 223740abc2deSRaja Mani vif = ath6kl_vif_first(ar); 223840abc2deSRaja Mani 223940abc2deSRaja Mani if (!vif) 224040abc2deSRaja Mani return -EIO; 224140abc2deSRaja Mani 224240abc2deSRaja Mani if (ar->wmi->pwr_mode != ar->wmi->saved_pwr_mode) { 224340abc2deSRaja Mani ret = ath6kl_wmi_powermode_cmd(ar->wmi, 0, 224440abc2deSRaja Mani ar->wmi->saved_pwr_mode); 224540abc2deSRaja Mani if (ret) 224640abc2deSRaja Mani return ret; 224740abc2deSRaja Mani } 224840abc2deSRaja Mani 224940abc2deSRaja Mani ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx, 225040abc2deSRaja Mani ATH6KL_HOST_MODE_AWAKE); 225140abc2deSRaja Mani if (ret) 225240abc2deSRaja Mani return ret; 225340abc2deSRaja Mani 225440abc2deSRaja Mani ar->state = ATH6KL_STATE_ON; 225540abc2deSRaja Mani 225640abc2deSRaja Mani /* Reset scan parameter to default values */ 225740abc2deSRaja Mani ret = ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx, 225840abc2deSRaja Mani 0, 0, 0, 0, 0, 0, 3, 0, 0, 0); 225940abc2deSRaja Mani if (ret) 226040abc2deSRaja Mani return ret; 226140abc2deSRaja Mani 226240abc2deSRaja Mani return 0; 226340abc2deSRaja Mani } 226440abc2deSRaja Mani 226552d81a68SKalle Valo int ath6kl_cfg80211_suspend(struct ath6kl *ar, 22660f60e9f4SRaja Mani enum ath6kl_cfg_suspend_mode mode, 22670f60e9f4SRaja Mani struct cfg80211_wowlan *wow) 226852d81a68SKalle Valo { 22693d79499cSVivek Natarajan struct ath6kl_vif *vif; 2270390a8c8fSRaja Mani enum ath6kl_state prev_state; 227152d81a68SKalle Valo int ret; 227252d81a68SKalle Valo 227352d81a68SKalle Valo switch (mode) { 2274d7c44e0bSRaja Mani case ATH6KL_CFG_SUSPEND_WOW: 2275d7c44e0bSRaja Mani 2276d7c44e0bSRaja Mani ath6kl_dbg(ATH6KL_DBG_SUSPEND, "wow mode suspend\n"); 2277d7c44e0bSRaja Mani 2278d7c44e0bSRaja Mani /* Flush all non control pkts in TX path */ 2279d7c44e0bSRaja Mani ath6kl_tx_data_cleanup(ar); 2280d7c44e0bSRaja Mani 2281390a8c8fSRaja Mani prev_state = ar->state; 2282390a8c8fSRaja Mani 2283d7c44e0bSRaja Mani ret = ath6kl_wow_suspend(ar, wow); 2284390a8c8fSRaja Mani if (ret) { 2285390a8c8fSRaja Mani ar->state = prev_state; 2286d7c44e0bSRaja Mani return ret; 2287390a8c8fSRaja Mani } 22881e9a905dSRaja Mani 2289d7c44e0bSRaja Mani ar->state = ATH6KL_STATE_WOW; 2290d7c44e0bSRaja Mani break; 2291d7c44e0bSRaja Mani 229252d81a68SKalle Valo case ATH6KL_CFG_SUSPEND_DEEPSLEEP: 2293524441e3SRaja Mani 229440abc2deSRaja Mani ath6kl_dbg(ATH6KL_DBG_SUSPEND, "deep sleep suspend\n"); 2295524441e3SRaja Mani 229640abc2deSRaja Mani ret = ath6kl_cfg80211_deepsleep_suspend(ar); 229752d81a68SKalle Valo if (ret) { 229840abc2deSRaja Mani ath6kl_err("deepsleep suspend failed: %d\n", ret); 229940abc2deSRaja Mani return ret; 230052d81a68SKalle Valo } 230152d81a68SKalle Valo 230276a9fbe2SKalle Valo ar->state = ATH6KL_STATE_DEEPSLEEP; 230376a9fbe2SKalle Valo 230452d81a68SKalle Valo break; 2305b4b2a0b1SKalle Valo 2306b4b2a0b1SKalle Valo case ATH6KL_CFG_SUSPEND_CUTPOWER: 2307524441e3SRaja Mani 23087125f01dSKalle Valo ath6kl_cfg80211_stop_all(ar); 2309524441e3SRaja Mani 2310b4b2a0b1SKalle Valo if (ar->state == ATH6KL_STATE_OFF) { 2311b4b2a0b1SKalle Valo ath6kl_dbg(ATH6KL_DBG_SUSPEND, 2312b4b2a0b1SKalle Valo "suspend hw off, no action for cutpower\n"); 2313b4b2a0b1SKalle Valo break; 2314b4b2a0b1SKalle Valo } 2315b4b2a0b1SKalle Valo 2316b4b2a0b1SKalle Valo ath6kl_dbg(ATH6KL_DBG_SUSPEND, "suspend cutting power\n"); 2317b4b2a0b1SKalle Valo 2318b4b2a0b1SKalle Valo ret = ath6kl_init_hw_stop(ar); 2319b4b2a0b1SKalle Valo if (ret) { 2320b4b2a0b1SKalle Valo ath6kl_warn("failed to stop hw during suspend: %d\n", 2321b4b2a0b1SKalle Valo ret); 2322b4b2a0b1SKalle Valo } 2323b4b2a0b1SKalle Valo 2324b4b2a0b1SKalle Valo ar->state = ATH6KL_STATE_CUTPOWER; 2325b4b2a0b1SKalle Valo 2326b4b2a0b1SKalle Valo break; 2327b4b2a0b1SKalle Valo 232810509f90SKalle Valo case ATH6KL_CFG_SUSPEND_SCHED_SCAN: 232910509f90SKalle Valo /* 233010509f90SKalle Valo * Nothing needed for schedule scan, firmware is already in 233110509f90SKalle Valo * wow mode and sleeping most of the time. 233210509f90SKalle Valo */ 233310509f90SKalle Valo break; 233410509f90SKalle Valo 2335b4b2a0b1SKalle Valo default: 2336b4b2a0b1SKalle Valo break; 233752d81a68SKalle Valo } 233852d81a68SKalle Valo 23393d79499cSVivek Natarajan list_for_each_entry(vif, &ar->vif_list, list) 23403d79499cSVivek Natarajan ath6kl_cfg80211_scan_complete_event(vif, true); 23413d79499cSVivek Natarajan 234252d81a68SKalle Valo return 0; 234352d81a68SKalle Valo } 2344d6a434d6SKalle Valo EXPORT_SYMBOL(ath6kl_cfg80211_suspend); 234552d81a68SKalle Valo 234652d81a68SKalle Valo int ath6kl_cfg80211_resume(struct ath6kl *ar) 234752d81a68SKalle Valo { 234876a9fbe2SKalle Valo int ret; 234976a9fbe2SKalle Valo 235076a9fbe2SKalle Valo switch (ar->state) { 2351d7c44e0bSRaja Mani case ATH6KL_STATE_WOW: 2352d7c44e0bSRaja Mani ath6kl_dbg(ATH6KL_DBG_SUSPEND, "wow mode resume\n"); 2353d7c44e0bSRaja Mani 2354d7c44e0bSRaja Mani ret = ath6kl_wow_resume(ar); 2355d7c44e0bSRaja Mani if (ret) { 2356d7c44e0bSRaja Mani ath6kl_warn("wow mode resume failed: %d\n", ret); 2357d7c44e0bSRaja Mani return ret; 2358d7c44e0bSRaja Mani } 2359d7c44e0bSRaja Mani 2360d7c44e0bSRaja Mani break; 2361d7c44e0bSRaja Mani 236276a9fbe2SKalle Valo case ATH6KL_STATE_DEEPSLEEP: 236340abc2deSRaja Mani ath6kl_dbg(ATH6KL_DBG_SUSPEND, "deep sleep resume\n"); 236440abc2deSRaja Mani 236540abc2deSRaja Mani ret = ath6kl_cfg80211_deepsleep_resume(ar); 236676a9fbe2SKalle Valo if (ret) { 236740abc2deSRaja Mani ath6kl_warn("deep sleep resume failed: %d\n", ret); 236840abc2deSRaja Mani return ret; 236976a9fbe2SKalle Valo } 237076a9fbe2SKalle Valo break; 237176a9fbe2SKalle Valo 2372b4b2a0b1SKalle Valo case ATH6KL_STATE_CUTPOWER: 2373b4b2a0b1SKalle Valo ath6kl_dbg(ATH6KL_DBG_SUSPEND, "resume restoring power\n"); 2374b4b2a0b1SKalle Valo 2375b4b2a0b1SKalle Valo ret = ath6kl_init_hw_start(ar); 2376b4b2a0b1SKalle Valo if (ret) { 2377b4b2a0b1SKalle Valo ath6kl_warn("Failed to boot hw in resume: %d\n", ret); 2378b4b2a0b1SKalle Valo return ret; 2379b4b2a0b1SKalle Valo } 2380d7c44e0bSRaja Mani break; 2381b4b2a0b1SKalle Valo 238210509f90SKalle Valo case ATH6KL_STATE_SCHED_SCAN: 238310509f90SKalle Valo break; 238410509f90SKalle Valo 238576a9fbe2SKalle Valo default: 238676a9fbe2SKalle Valo break; 238752d81a68SKalle Valo } 238852d81a68SKalle Valo 238952d81a68SKalle Valo return 0; 239052d81a68SKalle Valo } 2391d6a434d6SKalle Valo EXPORT_SYMBOL(ath6kl_cfg80211_resume); 239252d81a68SKalle Valo 2393abcb344bSKalle Valo #ifdef CONFIG_PM 239452d81a68SKalle Valo 239552d81a68SKalle Valo /* hif layer decides what suspend mode to use */ 239652d81a68SKalle Valo static int __ath6kl_cfg80211_suspend(struct wiphy *wiphy, 2397abcb344bSKalle Valo struct cfg80211_wowlan *wow) 2398abcb344bSKalle Valo { 2399abcb344bSKalle Valo struct ath6kl *ar = wiphy_priv(wiphy); 2400abcb344bSKalle Valo 24010f60e9f4SRaja Mani return ath6kl_hif_suspend(ar, wow); 2402abcb344bSKalle Valo } 2403aa6cffc1SChilam Ng 240452d81a68SKalle Valo static int __ath6kl_cfg80211_resume(struct wiphy *wiphy) 2405aa6cffc1SChilam Ng { 2406aa6cffc1SChilam Ng struct ath6kl *ar = wiphy_priv(wiphy); 2407aa6cffc1SChilam Ng 2408aa6cffc1SChilam Ng return ath6kl_hif_resume(ar); 2409aa6cffc1SChilam Ng } 2410a918fb3cSRaja Mani 2411a918fb3cSRaja Mani /* 2412a918fb3cSRaja Mani * FIXME: WOW suspend mode is selected if the host sdio controller supports 2413a918fb3cSRaja Mani * both sdio irq wake up and keep power. The target pulls sdio data line to 2414a918fb3cSRaja Mani * wake up the host when WOW pattern matches. This causes sdio irq handler 2415a918fb3cSRaja Mani * is being called in the host side which internally hits ath6kl's RX path. 2416a918fb3cSRaja Mani * 2417a918fb3cSRaja Mani * Since sdio interrupt is not disabled, RX path executes even before 2418a918fb3cSRaja Mani * the host executes the actual resume operation from PM module. 2419a918fb3cSRaja Mani * 2420a918fb3cSRaja Mani * In the current scenario, WOW resume should happen before start processing 2421a918fb3cSRaja Mani * any data from the target. So It's required to perform WOW resume in RX path. 2422a918fb3cSRaja Mani * Ideally we should perform WOW resume only in the actual platform 2423a918fb3cSRaja Mani * resume path. This area needs bit rework to avoid WOW resume in RX path. 2424a918fb3cSRaja Mani * 2425a918fb3cSRaja Mani * ath6kl_check_wow_status() is called from ath6kl_rx(). 2426a918fb3cSRaja Mani */ 2427a918fb3cSRaja Mani void ath6kl_check_wow_status(struct ath6kl *ar) 2428a918fb3cSRaja Mani { 2429390a8c8fSRaja Mani if (ar->state == ATH6KL_STATE_SUSPENDING) 2430390a8c8fSRaja Mani return; 2431390a8c8fSRaja Mani 2432a918fb3cSRaja Mani if (ar->state == ATH6KL_STATE_WOW) 2433a918fb3cSRaja Mani ath6kl_cfg80211_resume(ar); 2434a918fb3cSRaja Mani } 2435a918fb3cSRaja Mani 2436a918fb3cSRaja Mani #else 2437a918fb3cSRaja Mani 2438a918fb3cSRaja Mani void ath6kl_check_wow_status(struct ath6kl *ar) 2439a918fb3cSRaja Mani { 2440a918fb3cSRaja Mani } 2441abcb344bSKalle Valo #endif 2442abcb344bSKalle Valo 2443df90b369SVasanthakumar Thiagarajan static int ath6kl_set_htcap(struct ath6kl_vif *vif, enum ieee80211_band band, 2444df90b369SVasanthakumar Thiagarajan bool ht_enable) 24456a7c9badSJouni Malinen { 2446df90b369SVasanthakumar Thiagarajan struct ath6kl_htcap *htcap = &vif->htcap; 2447e68f6750SSujith Manoharan 2448df90b369SVasanthakumar Thiagarajan if (htcap->ht_enable == ht_enable) 24496a7c9badSJouni Malinen return 0; 2450df90b369SVasanthakumar Thiagarajan 2451df90b369SVasanthakumar Thiagarajan if (ht_enable) { 2452df90b369SVasanthakumar Thiagarajan /* Set default ht capabilities */ 2453df90b369SVasanthakumar Thiagarajan htcap->ht_enable = true; 2454df90b369SVasanthakumar Thiagarajan htcap->cap_info = (band == IEEE80211_BAND_2GHZ) ? 2455df90b369SVasanthakumar Thiagarajan ath6kl_g_htcap : ath6kl_a_htcap; 2456df90b369SVasanthakumar Thiagarajan htcap->ampdu_factor = IEEE80211_HT_MAX_AMPDU_16K; 2457df90b369SVasanthakumar Thiagarajan } else /* Disable ht */ 2458df90b369SVasanthakumar Thiagarajan memset(htcap, 0, sizeof(*htcap)); 2459df90b369SVasanthakumar Thiagarajan 2460df90b369SVasanthakumar Thiagarajan return ath6kl_wmi_set_htcap_cmd(vif->ar->wmi, vif->fw_vif_idx, 2461df90b369SVasanthakumar Thiagarajan band, htcap); 24626a7c9badSJouni Malinen } 24636a7c9badSJouni Malinen 24648bdfbf40SJouni Malinen static bool ath6kl_is_p2p_ie(const u8 *pos) 24658bdfbf40SJouni Malinen { 24668bdfbf40SJouni Malinen return pos[0] == WLAN_EID_VENDOR_SPECIFIC && pos[1] >= 4 && 24678bdfbf40SJouni Malinen pos[2] == 0x50 && pos[3] == 0x6f && 24688bdfbf40SJouni Malinen pos[4] == 0x9a && pos[5] == 0x09; 24698bdfbf40SJouni Malinen } 24708bdfbf40SJouni Malinen 2471334234b5SVasanthakumar Thiagarajan static int ath6kl_set_ap_probe_resp_ies(struct ath6kl_vif *vif, 2472334234b5SVasanthakumar Thiagarajan const u8 *ies, size_t ies_len) 24738bdfbf40SJouni Malinen { 2474334234b5SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 24758bdfbf40SJouni Malinen const u8 *pos; 24768bdfbf40SJouni Malinen u8 *buf = NULL; 24778bdfbf40SJouni Malinen size_t len = 0; 24788bdfbf40SJouni Malinen int ret; 24798bdfbf40SJouni Malinen 24808bdfbf40SJouni Malinen /* 24818bdfbf40SJouni Malinen * Filter out P2P IE(s) since they will be included depending on 24828bdfbf40SJouni Malinen * the Probe Request frame in ath6kl_send_go_probe_resp(). 24838bdfbf40SJouni Malinen */ 24848bdfbf40SJouni Malinen 24858bdfbf40SJouni Malinen if (ies && ies_len) { 24868bdfbf40SJouni Malinen buf = kmalloc(ies_len, GFP_KERNEL); 24878bdfbf40SJouni Malinen if (buf == NULL) 24888bdfbf40SJouni Malinen return -ENOMEM; 24898bdfbf40SJouni Malinen pos = ies; 24908bdfbf40SJouni Malinen while (pos + 1 < ies + ies_len) { 24918bdfbf40SJouni Malinen if (pos + 2 + pos[1] > ies + ies_len) 24928bdfbf40SJouni Malinen break; 24938bdfbf40SJouni Malinen if (!ath6kl_is_p2p_ie(pos)) { 24948bdfbf40SJouni Malinen memcpy(buf + len, pos, 2 + pos[1]); 24958bdfbf40SJouni Malinen len += 2 + pos[1]; 24968bdfbf40SJouni Malinen } 24978bdfbf40SJouni Malinen pos += 2 + pos[1]; 24988bdfbf40SJouni Malinen } 24998bdfbf40SJouni Malinen } 25008bdfbf40SJouni Malinen 2501334234b5SVasanthakumar Thiagarajan ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, 2502334234b5SVasanthakumar Thiagarajan WMI_FRAME_PROBE_RESP, buf, len); 25038bdfbf40SJouni Malinen kfree(buf); 25048bdfbf40SJouni Malinen return ret; 25058bdfbf40SJouni Malinen } 25068bdfbf40SJouni Malinen 25078860020eSJohannes Berg static int ath6kl_set_ies(struct ath6kl_vif *vif, 25088860020eSJohannes Berg struct cfg80211_beacon_data *info) 25098860020eSJohannes Berg { 25108860020eSJohannes Berg struct ath6kl *ar = vif->ar; 25118860020eSJohannes Berg int res; 25128860020eSJohannes Berg 251317a7b16dSAarthi Thiruvengadam /* this also clears IE in fw if it's not set */ 25148860020eSJohannes Berg res = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, 25158860020eSJohannes Berg WMI_FRAME_BEACON, 25168860020eSJohannes Berg info->beacon_ies, 25178860020eSJohannes Berg info->beacon_ies_len); 25188860020eSJohannes Berg if (res) 25198860020eSJohannes Berg return res; 25208860020eSJohannes Berg 252117a7b16dSAarthi Thiruvengadam /* this also clears IE in fw if it's not set */ 25228860020eSJohannes Berg res = ath6kl_set_ap_probe_resp_ies(vif, info->proberesp_ies, 25238860020eSJohannes Berg info->proberesp_ies_len); 25248860020eSJohannes Berg if (res) 25258860020eSJohannes Berg return res; 25268860020eSJohannes Berg 252717a7b16dSAarthi Thiruvengadam /* this also clears IE in fw if it's not set */ 25288860020eSJohannes Berg res = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, 25298860020eSJohannes Berg WMI_FRAME_ASSOC_RESP, 25308860020eSJohannes Berg info->assocresp_ies, 25318860020eSJohannes Berg info->assocresp_ies_len); 25328860020eSJohannes Berg if (res) 25338860020eSJohannes Berg return res; 25348860020eSJohannes Berg 25358860020eSJohannes Berg return 0; 25368860020eSJohannes Berg } 25378860020eSJohannes Berg 2538df90b369SVasanthakumar Thiagarajan static int ath6kl_set_channel(struct wiphy *wiphy, struct net_device *dev, 2539df90b369SVasanthakumar Thiagarajan struct ieee80211_channel *chan, 2540df90b369SVasanthakumar Thiagarajan enum nl80211_channel_type channel_type) 2541df90b369SVasanthakumar Thiagarajan { 2542df90b369SVasanthakumar Thiagarajan struct ath6kl_vif *vif; 2543df90b369SVasanthakumar Thiagarajan 2544df90b369SVasanthakumar Thiagarajan /* 2545df90b369SVasanthakumar Thiagarajan * 'dev' could be NULL if a channel change is required for the hardware 2546df90b369SVasanthakumar Thiagarajan * device itself, instead of a particular VIF. 2547df90b369SVasanthakumar Thiagarajan * 2548df90b369SVasanthakumar Thiagarajan * FIXME: To be handled properly when monitor mode is supported. 2549df90b369SVasanthakumar Thiagarajan */ 2550df90b369SVasanthakumar Thiagarajan if (!dev) 2551df90b369SVasanthakumar Thiagarajan return -EBUSY; 2552df90b369SVasanthakumar Thiagarajan 2553df90b369SVasanthakumar Thiagarajan vif = netdev_priv(dev); 2554df90b369SVasanthakumar Thiagarajan 2555df90b369SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 2556df90b369SVasanthakumar Thiagarajan return -EIO; 2557df90b369SVasanthakumar Thiagarajan 2558df90b369SVasanthakumar Thiagarajan ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: center_freq=%u hw_value=%u\n", 2559df90b369SVasanthakumar Thiagarajan __func__, chan->center_freq, chan->hw_value); 2560df90b369SVasanthakumar Thiagarajan vif->next_chan = chan->center_freq; 2561df90b369SVasanthakumar Thiagarajan vif->next_ch_type = channel_type; 2562df90b369SVasanthakumar Thiagarajan vif->next_ch_band = chan->band; 2563df90b369SVasanthakumar Thiagarajan 2564df90b369SVasanthakumar Thiagarajan return 0; 2565df90b369SVasanthakumar Thiagarajan } 2566df90b369SVasanthakumar Thiagarajan 2567d97c121bSVasanthakumar Thiagarajan static int ath6kl_get_rsn_capab(struct cfg80211_beacon_data *beacon, 2568d97c121bSVasanthakumar Thiagarajan u8 *rsn_capab) 2569d97c121bSVasanthakumar Thiagarajan { 2570d97c121bSVasanthakumar Thiagarajan const u8 *rsn_ie; 2571d97c121bSVasanthakumar Thiagarajan size_t rsn_ie_len; 2572d97c121bSVasanthakumar Thiagarajan u16 cnt; 2573d97c121bSVasanthakumar Thiagarajan 2574d97c121bSVasanthakumar Thiagarajan if (!beacon->tail) 2575d97c121bSVasanthakumar Thiagarajan return -EINVAL; 2576d97c121bSVasanthakumar Thiagarajan 2577d97c121bSVasanthakumar Thiagarajan rsn_ie = cfg80211_find_ie(WLAN_EID_RSN, beacon->tail, beacon->tail_len); 2578d97c121bSVasanthakumar Thiagarajan if (!rsn_ie) 2579d97c121bSVasanthakumar Thiagarajan return -EINVAL; 2580d97c121bSVasanthakumar Thiagarajan 2581d97c121bSVasanthakumar Thiagarajan rsn_ie_len = *(rsn_ie + 1); 2582d97c121bSVasanthakumar Thiagarajan /* skip element id and length */ 2583d97c121bSVasanthakumar Thiagarajan rsn_ie += 2; 2584d97c121bSVasanthakumar Thiagarajan 2585d97c121bSVasanthakumar Thiagarajan /* skip version, group cipher */ 2586d97c121bSVasanthakumar Thiagarajan if (rsn_ie_len < 6) 2587d97c121bSVasanthakumar Thiagarajan return -EINVAL; 2588d97c121bSVasanthakumar Thiagarajan rsn_ie += 6; 2589d97c121bSVasanthakumar Thiagarajan rsn_ie_len -= 6; 2590d97c121bSVasanthakumar Thiagarajan 2591d97c121bSVasanthakumar Thiagarajan /* skip pairwise cipher suite */ 2592d97c121bSVasanthakumar Thiagarajan if (rsn_ie_len < 2) 2593d97c121bSVasanthakumar Thiagarajan return -EINVAL; 2594d97c121bSVasanthakumar Thiagarajan cnt = *((u16 *) rsn_ie); 2595d97c121bSVasanthakumar Thiagarajan rsn_ie += (2 + cnt * 4); 2596d97c121bSVasanthakumar Thiagarajan rsn_ie_len -= (2 + cnt * 4); 2597d97c121bSVasanthakumar Thiagarajan 2598d97c121bSVasanthakumar Thiagarajan /* skip akm suite */ 2599d97c121bSVasanthakumar Thiagarajan if (rsn_ie_len < 2) 2600d97c121bSVasanthakumar Thiagarajan return -EINVAL; 2601d97c121bSVasanthakumar Thiagarajan cnt = *((u16 *) rsn_ie); 2602d97c121bSVasanthakumar Thiagarajan rsn_ie += (2 + cnt * 4); 2603d97c121bSVasanthakumar Thiagarajan rsn_ie_len -= (2 + cnt * 4); 2604d97c121bSVasanthakumar Thiagarajan 2605d97c121bSVasanthakumar Thiagarajan if (rsn_ie_len < 2) 2606d97c121bSVasanthakumar Thiagarajan return -EINVAL; 2607d97c121bSVasanthakumar Thiagarajan 2608d97c121bSVasanthakumar Thiagarajan memcpy(rsn_capab, rsn_ie, 2); 2609d97c121bSVasanthakumar Thiagarajan 2610d97c121bSVasanthakumar Thiagarajan return 0; 2611d97c121bSVasanthakumar Thiagarajan } 2612d97c121bSVasanthakumar Thiagarajan 26138860020eSJohannes Berg static int ath6kl_start_ap(struct wiphy *wiphy, struct net_device *dev, 26148860020eSJohannes Berg struct cfg80211_ap_settings *info) 26156a7c9badSJouni Malinen { 26166a7c9badSJouni Malinen struct ath6kl *ar = ath6kl_priv(dev); 26173450334fSVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 26186a7c9badSJouni Malinen struct ieee80211_mgmt *mgmt; 261967cd22e4SThomas Pedersen bool hidden = false; 26206a7c9badSJouni Malinen u8 *ies; 26216a7c9badSJouni Malinen int ies_len; 26226a7c9badSJouni Malinen struct wmi_connect_cmd p; 26236a7c9badSJouni Malinen int res; 2624be5abaafSVasanthakumar Thiagarajan int i, ret; 2625d97c121bSVasanthakumar Thiagarajan u16 rsn_capab = 0; 26266a7c9badSJouni Malinen 26278860020eSJohannes Berg ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s:\n", __func__); 26286a7c9badSJouni Malinen 2629990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 26306a7c9badSJouni Malinen return -EIO; 26316a7c9badSJouni Malinen 2632f5938f24SVasanthakumar Thiagarajan if (vif->next_mode != AP_NETWORK) 26336a7c9badSJouni Malinen return -EOPNOTSUPP; 26346a7c9badSJouni Malinen 26358860020eSJohannes Berg res = ath6kl_set_ies(vif, &info->beacon); 26366a7c9badSJouni Malinen 26379a5b1318SJouni Malinen ar->ap_mode_bkey.valid = false; 26389a5b1318SJouni Malinen 26396a7c9badSJouni Malinen /* TODO: 26406a7c9badSJouni Malinen * info->interval 26416a7c9badSJouni Malinen * info->dtim_period 26426a7c9badSJouni Malinen */ 26436a7c9badSJouni Malinen 26448860020eSJohannes Berg if (info->beacon.head == NULL) 26456a7c9badSJouni Malinen return -EINVAL; 26468860020eSJohannes Berg mgmt = (struct ieee80211_mgmt *) info->beacon.head; 26476a7c9badSJouni Malinen ies = mgmt->u.beacon.variable; 26488860020eSJohannes Berg if (ies > info->beacon.head + info->beacon.head_len) 26496a7c9badSJouni Malinen return -EINVAL; 26508860020eSJohannes Berg ies_len = info->beacon.head + info->beacon.head_len - ies; 26516a7c9badSJouni Malinen 26526a7c9badSJouni Malinen if (info->ssid == NULL) 26536a7c9badSJouni Malinen return -EINVAL; 26543450334fSVasanthakumar Thiagarajan memcpy(vif->ssid, info->ssid, info->ssid_len); 26553450334fSVasanthakumar Thiagarajan vif->ssid_len = info->ssid_len; 26566a7c9badSJouni Malinen if (info->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE) 265767cd22e4SThomas Pedersen hidden = true; 265867cd22e4SThomas Pedersen 265967cd22e4SThomas Pedersen res = ath6kl_wmi_ap_hidden_ssid(ar->wmi, vif->fw_vif_idx, hidden); 266067cd22e4SThomas Pedersen if (res) 266167cd22e4SThomas Pedersen return res; 26626a7c9badSJouni Malinen 2663be5abaafSVasanthakumar Thiagarajan ret = ath6kl_set_auth_type(vif, info->auth_type); 2664be5abaafSVasanthakumar Thiagarajan if (ret) 2665be5abaafSVasanthakumar Thiagarajan return ret; 26666a7c9badSJouni Malinen 26676a7c9badSJouni Malinen memset(&p, 0, sizeof(p)); 26686a7c9badSJouni Malinen 26696a7c9badSJouni Malinen for (i = 0; i < info->crypto.n_akm_suites; i++) { 26706a7c9badSJouni Malinen switch (info->crypto.akm_suites[i]) { 26716a7c9badSJouni Malinen case WLAN_AKM_SUITE_8021X: 26726a7c9badSJouni Malinen if (info->crypto.wpa_versions & NL80211_WPA_VERSION_1) 26736a7c9badSJouni Malinen p.auth_mode |= WPA_AUTH; 26746a7c9badSJouni Malinen if (info->crypto.wpa_versions & NL80211_WPA_VERSION_2) 26756a7c9badSJouni Malinen p.auth_mode |= WPA2_AUTH; 26766a7c9badSJouni Malinen break; 26776a7c9badSJouni Malinen case WLAN_AKM_SUITE_PSK: 26786a7c9badSJouni Malinen if (info->crypto.wpa_versions & NL80211_WPA_VERSION_1) 26796a7c9badSJouni Malinen p.auth_mode |= WPA_PSK_AUTH; 26806a7c9badSJouni Malinen if (info->crypto.wpa_versions & NL80211_WPA_VERSION_2) 26816a7c9badSJouni Malinen p.auth_mode |= WPA2_PSK_AUTH; 26826a7c9badSJouni Malinen break; 26836a7c9badSJouni Malinen } 26846a7c9badSJouni Malinen } 26856a7c9badSJouni Malinen if (p.auth_mode == 0) 26866a7c9badSJouni Malinen p.auth_mode = NONE_AUTH; 26873450334fSVasanthakumar Thiagarajan vif->auth_mode = p.auth_mode; 26886a7c9badSJouni Malinen 26896a7c9badSJouni Malinen for (i = 0; i < info->crypto.n_ciphers_pairwise; i++) { 26906a7c9badSJouni Malinen switch (info->crypto.ciphers_pairwise[i]) { 26916a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_WEP40: 26926a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_WEP104: 26936a7c9badSJouni Malinen p.prwise_crypto_type |= WEP_CRYPT; 26946a7c9badSJouni Malinen break; 26956a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_TKIP: 26966a7c9badSJouni Malinen p.prwise_crypto_type |= TKIP_CRYPT; 26976a7c9badSJouni Malinen break; 26986a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_CCMP: 26996a7c9badSJouni Malinen p.prwise_crypto_type |= AES_CRYPT; 27006a7c9badSJouni Malinen break; 2701b8214df1SDai Shuibing case WLAN_CIPHER_SUITE_SMS4: 2702b8214df1SDai Shuibing p.prwise_crypto_type |= WAPI_CRYPT; 2703b8214df1SDai Shuibing break; 27046a7c9badSJouni Malinen } 27056a7c9badSJouni Malinen } 2706229ed6b5SEdward Lu if (p.prwise_crypto_type == 0) { 27076a7c9badSJouni Malinen p.prwise_crypto_type = NONE_CRYPT; 2708240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, 0, true); 2709229ed6b5SEdward Lu } else if (info->crypto.n_ciphers_pairwise == 1) 2710240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, info->crypto.ciphers_pairwise[0], true); 27116a7c9badSJouni Malinen 27126a7c9badSJouni Malinen switch (info->crypto.cipher_group) { 27136a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_WEP40: 27146a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_WEP104: 27156a7c9badSJouni Malinen p.grp_crypto_type = WEP_CRYPT; 27166a7c9badSJouni Malinen break; 27176a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_TKIP: 27186a7c9badSJouni Malinen p.grp_crypto_type = TKIP_CRYPT; 27196a7c9badSJouni Malinen break; 27206a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_CCMP: 27216a7c9badSJouni Malinen p.grp_crypto_type = AES_CRYPT; 27226a7c9badSJouni Malinen break; 2723b8214df1SDai Shuibing case WLAN_CIPHER_SUITE_SMS4: 2724b8214df1SDai Shuibing p.grp_crypto_type = WAPI_CRYPT; 2725b8214df1SDai Shuibing break; 27266a7c9badSJouni Malinen default: 27276a7c9badSJouni Malinen p.grp_crypto_type = NONE_CRYPT; 27286a7c9badSJouni Malinen break; 27296a7c9badSJouni Malinen } 2730240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, info->crypto.cipher_group, false); 27316a7c9badSJouni Malinen 27326a7c9badSJouni Malinen p.nw_type = AP_NETWORK; 2733f5938f24SVasanthakumar Thiagarajan vif->nw_type = vif->next_mode; 27346a7c9badSJouni Malinen 27353450334fSVasanthakumar Thiagarajan p.ssid_len = vif->ssid_len; 27363450334fSVasanthakumar Thiagarajan memcpy(p.ssid, vif->ssid, vif->ssid_len); 27373450334fSVasanthakumar Thiagarajan p.dot11_auth_mode = vif->dot11_auth_mode; 2738cf5333d7SVasanthakumar Thiagarajan p.ch = cpu_to_le16(vif->next_chan); 27396a7c9badSJouni Malinen 2740c1762a3fSThirumalai Pachamuthu /* Enable uAPSD support by default */ 2741c1762a3fSThirumalai Pachamuthu res = ath6kl_wmi_ap_set_apsd(ar->wmi, vif->fw_vif_idx, true); 2742c1762a3fSThirumalai Pachamuthu if (res < 0) 2743c1762a3fSThirumalai Pachamuthu return res; 2744c1762a3fSThirumalai Pachamuthu 27453ca9d1fcSAarthi Thiruvengadam if (vif->wdev.iftype == NL80211_IFTYPE_P2P_GO) { 27463ca9d1fcSAarthi Thiruvengadam p.nw_subtype = SUBTYPE_P2PGO; 27473ca9d1fcSAarthi Thiruvengadam } else { 27483ca9d1fcSAarthi Thiruvengadam /* 27493ca9d1fcSAarthi Thiruvengadam * Due to firmware limitation, it is not possible to 27503ca9d1fcSAarthi Thiruvengadam * do P2P mgmt operations in AP mode 27513ca9d1fcSAarthi Thiruvengadam */ 27523ca9d1fcSAarthi Thiruvengadam p.nw_subtype = SUBTYPE_NONE; 27533ca9d1fcSAarthi Thiruvengadam } 27543ca9d1fcSAarthi Thiruvengadam 275503bdeb0dSVasanthakumar Thiagarajan if (info->inactivity_timeout) { 275603bdeb0dSVasanthakumar Thiagarajan res = ath6kl_wmi_set_inact_period(ar->wmi, vif->fw_vif_idx, 275703bdeb0dSVasanthakumar Thiagarajan info->inactivity_timeout); 275803bdeb0dSVasanthakumar Thiagarajan if (res < 0) 275903bdeb0dSVasanthakumar Thiagarajan return res; 276003bdeb0dSVasanthakumar Thiagarajan } 276103bdeb0dSVasanthakumar Thiagarajan 2762df90b369SVasanthakumar Thiagarajan if (ath6kl_set_htcap(vif, vif->next_ch_band, 2763df90b369SVasanthakumar Thiagarajan vif->next_ch_type != NL80211_CHAN_NO_HT)) 2764df90b369SVasanthakumar Thiagarajan return -EIO; 2765df90b369SVasanthakumar Thiagarajan 2766d97c121bSVasanthakumar Thiagarajan /* 2767d97c121bSVasanthakumar Thiagarajan * Get the PTKSA replay counter in the RSN IE. Supplicant 2768d97c121bSVasanthakumar Thiagarajan * will use the RSN IE in M3 message and firmware has to 2769d97c121bSVasanthakumar Thiagarajan * advertise the same in beacon/probe response. Send 2770d97c121bSVasanthakumar Thiagarajan * the complete RSN IE capability field to firmware 2771d97c121bSVasanthakumar Thiagarajan */ 2772d97c121bSVasanthakumar Thiagarajan if (!ath6kl_get_rsn_capab(&info->beacon, (u8 *) &rsn_capab) && 2773d97c121bSVasanthakumar Thiagarajan test_bit(ATH6KL_FW_CAPABILITY_RSN_CAP_OVERRIDE, 2774d97c121bSVasanthakumar Thiagarajan ar->fw_capabilities)) { 2775d97c121bSVasanthakumar Thiagarajan res = ath6kl_wmi_set_ie_cmd(ar->wmi, vif->fw_vif_idx, 2776d97c121bSVasanthakumar Thiagarajan WLAN_EID_RSN, WMI_RSN_IE_CAPB, 2777d97c121bSVasanthakumar Thiagarajan (const u8 *) &rsn_capab, 2778d97c121bSVasanthakumar Thiagarajan sizeof(rsn_capab)); 2779d97c121bSVasanthakumar Thiagarajan if (res < 0) 2780d97c121bSVasanthakumar Thiagarajan return res; 2781d97c121bSVasanthakumar Thiagarajan } 2782d97c121bSVasanthakumar Thiagarajan 2783c4f7863eSThomas Pedersen memcpy(&vif->profile, &p, sizeof(p)); 2784334234b5SVasanthakumar Thiagarajan res = ath6kl_wmi_ap_profile_commit(ar->wmi, vif->fw_vif_idx, &p); 27859a5b1318SJouni Malinen if (res < 0) 27869a5b1318SJouni Malinen return res; 27879a5b1318SJouni Malinen 27889a5b1318SJouni Malinen return 0; 27896a7c9badSJouni Malinen } 27906a7c9badSJouni Malinen 27918860020eSJohannes Berg static int ath6kl_change_beacon(struct wiphy *wiphy, struct net_device *dev, 27928860020eSJohannes Berg struct cfg80211_beacon_data *beacon) 27936a7c9badSJouni Malinen { 27948860020eSJohannes Berg struct ath6kl_vif *vif = netdev_priv(dev); 27958860020eSJohannes Berg 27968860020eSJohannes Berg if (!ath6kl_cfg80211_ready(vif)) 27978860020eSJohannes Berg return -EIO; 27988860020eSJohannes Berg 27998860020eSJohannes Berg if (vif->next_mode != AP_NETWORK) 28008860020eSJohannes Berg return -EOPNOTSUPP; 28018860020eSJohannes Berg 28028860020eSJohannes Berg return ath6kl_set_ies(vif, beacon); 28036a7c9badSJouni Malinen } 28046a7c9badSJouni Malinen 28058860020eSJohannes Berg static int ath6kl_stop_ap(struct wiphy *wiphy, struct net_device *dev) 28066a7c9badSJouni Malinen { 28076a7c9badSJouni Malinen struct ath6kl *ar = ath6kl_priv(dev); 280859c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 28096a7c9badSJouni Malinen 2810f5938f24SVasanthakumar Thiagarajan if (vif->nw_type != AP_NETWORK) 28116a7c9badSJouni Malinen return -EOPNOTSUPP; 281259c98449SVasanthakumar Thiagarajan if (!test_bit(CONNECTED, &vif->flags)) 28136a7c9badSJouni Malinen return -ENOTCONN; 28146a7c9badSJouni Malinen 2815334234b5SVasanthakumar Thiagarajan ath6kl_wmi_disconnect_cmd(ar->wmi, vif->fw_vif_idx); 281659c98449SVasanthakumar Thiagarajan clear_bit(CONNECTED, &vif->flags); 28176a7c9badSJouni Malinen 2818df90b369SVasanthakumar Thiagarajan /* Restore ht setting in firmware */ 2819df90b369SVasanthakumar Thiagarajan if (ath6kl_set_htcap(vif, IEEE80211_BAND_2GHZ, true)) 2820df90b369SVasanthakumar Thiagarajan return -EIO; 2821df90b369SVasanthakumar Thiagarajan 2822df90b369SVasanthakumar Thiagarajan if (ath6kl_set_htcap(vif, IEEE80211_BAND_5GHZ, true)) 2823df90b369SVasanthakumar Thiagarajan return -EIO; 2824df90b369SVasanthakumar Thiagarajan 28256a7c9badSJouni Malinen return 0; 28266a7c9badSJouni Malinen } 28276a7c9badSJouni Malinen 282833e5308dSJouni Malinen static const u8 bcast_addr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; 282933e5308dSJouni Malinen 283033e5308dSJouni Malinen static int ath6kl_del_station(struct wiphy *wiphy, struct net_device *dev, 283133e5308dSJouni Malinen u8 *mac) 283233e5308dSJouni Malinen { 283333e5308dSJouni Malinen struct ath6kl *ar = ath6kl_priv(dev); 283433e5308dSJouni Malinen struct ath6kl_vif *vif = netdev_priv(dev); 283533e5308dSJouni Malinen const u8 *addr = mac ? mac : bcast_addr; 283633e5308dSJouni Malinen 283733e5308dSJouni Malinen return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx, WMI_AP_DEAUTH, 283833e5308dSJouni Malinen addr, WLAN_REASON_PREV_AUTH_NOT_VALID); 283933e5308dSJouni Malinen } 284033e5308dSJouni Malinen 284123875136SJouni Malinen static int ath6kl_change_station(struct wiphy *wiphy, struct net_device *dev, 284223875136SJouni Malinen u8 *mac, struct station_parameters *params) 284323875136SJouni Malinen { 284423875136SJouni Malinen struct ath6kl *ar = ath6kl_priv(dev); 2845f5938f24SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 284623875136SJouni Malinen 2847f5938f24SVasanthakumar Thiagarajan if (vif->nw_type != AP_NETWORK) 284823875136SJouni Malinen return -EOPNOTSUPP; 284923875136SJouni Malinen 285023875136SJouni Malinen /* Use this only for authorizing/unauthorizing a station */ 285123875136SJouni Malinen if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED))) 285223875136SJouni Malinen return -EOPNOTSUPP; 285323875136SJouni Malinen 285423875136SJouni Malinen if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED)) 2855334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx, 2856334234b5SVasanthakumar Thiagarajan WMI_AP_MLME_AUTHORIZE, mac, 0); 2857334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx, 2858334234b5SVasanthakumar Thiagarajan WMI_AP_MLME_UNAUTHORIZE, mac, 0); 285923875136SJouni Malinen } 286023875136SJouni Malinen 286163fa1e0cSJouni Malinen static int ath6kl_remain_on_channel(struct wiphy *wiphy, 286263fa1e0cSJouni Malinen struct net_device *dev, 286363fa1e0cSJouni Malinen struct ieee80211_channel *chan, 286463fa1e0cSJouni Malinen enum nl80211_channel_type channel_type, 286563fa1e0cSJouni Malinen unsigned int duration, 286663fa1e0cSJouni Malinen u64 *cookie) 286763fa1e0cSJouni Malinen { 286863fa1e0cSJouni Malinen struct ath6kl *ar = ath6kl_priv(dev); 2869334234b5SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 28701052261eSJouni Malinen u32 id; 287163fa1e0cSJouni Malinen 287263fa1e0cSJouni Malinen /* TODO: if already pending or ongoing remain-on-channel, 287363fa1e0cSJouni Malinen * return -EBUSY */ 28741052261eSJouni Malinen id = ++vif->last_roc_id; 28751052261eSJouni Malinen if (id == 0) { 28761052261eSJouni Malinen /* Do not use 0 as the cookie value */ 28771052261eSJouni Malinen id = ++vif->last_roc_id; 28781052261eSJouni Malinen } 28791052261eSJouni Malinen *cookie = id; 288063fa1e0cSJouni Malinen 2881334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_remain_on_chnl_cmd(ar->wmi, vif->fw_vif_idx, 2882334234b5SVasanthakumar Thiagarajan chan->center_freq, duration); 288363fa1e0cSJouni Malinen } 288463fa1e0cSJouni Malinen 288563fa1e0cSJouni Malinen static int ath6kl_cancel_remain_on_channel(struct wiphy *wiphy, 288663fa1e0cSJouni Malinen struct net_device *dev, 288763fa1e0cSJouni Malinen u64 cookie) 288863fa1e0cSJouni Malinen { 288963fa1e0cSJouni Malinen struct ath6kl *ar = ath6kl_priv(dev); 2890334234b5SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 289163fa1e0cSJouni Malinen 28921052261eSJouni Malinen if (cookie != vif->last_roc_id) 289363fa1e0cSJouni Malinen return -ENOENT; 28941052261eSJouni Malinen vif->last_cancel_roc_id = cookie; 289563fa1e0cSJouni Malinen 2896334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_cancel_remain_on_chnl_cmd(ar->wmi, vif->fw_vif_idx); 289763fa1e0cSJouni Malinen } 289863fa1e0cSJouni Malinen 2899334234b5SVasanthakumar Thiagarajan static int ath6kl_send_go_probe_resp(struct ath6kl_vif *vif, 2900334234b5SVasanthakumar Thiagarajan const u8 *buf, size_t len, 2901334234b5SVasanthakumar Thiagarajan unsigned int freq) 29028bdfbf40SJouni Malinen { 2903334234b5SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 29048bdfbf40SJouni Malinen const u8 *pos; 29058bdfbf40SJouni Malinen u8 *p2p; 29068bdfbf40SJouni Malinen int p2p_len; 29078bdfbf40SJouni Malinen int ret; 29088bdfbf40SJouni Malinen const struct ieee80211_mgmt *mgmt; 29098bdfbf40SJouni Malinen 29108bdfbf40SJouni Malinen mgmt = (const struct ieee80211_mgmt *) buf; 29118bdfbf40SJouni Malinen 29128bdfbf40SJouni Malinen /* Include P2P IE(s) from the frame generated in user space. */ 29138bdfbf40SJouni Malinen 29148bdfbf40SJouni Malinen p2p = kmalloc(len, GFP_KERNEL); 29158bdfbf40SJouni Malinen if (p2p == NULL) 29168bdfbf40SJouni Malinen return -ENOMEM; 29178bdfbf40SJouni Malinen p2p_len = 0; 29188bdfbf40SJouni Malinen 29198bdfbf40SJouni Malinen pos = mgmt->u.probe_resp.variable; 29208bdfbf40SJouni Malinen while (pos + 1 < buf + len) { 29218bdfbf40SJouni Malinen if (pos + 2 + pos[1] > buf + len) 29228bdfbf40SJouni Malinen break; 29238bdfbf40SJouni Malinen if (ath6kl_is_p2p_ie(pos)) { 29248bdfbf40SJouni Malinen memcpy(p2p + p2p_len, pos, 2 + pos[1]); 29258bdfbf40SJouni Malinen p2p_len += 2 + pos[1]; 29268bdfbf40SJouni Malinen } 29278bdfbf40SJouni Malinen pos += 2 + pos[1]; 29288bdfbf40SJouni Malinen } 29298bdfbf40SJouni Malinen 2930334234b5SVasanthakumar Thiagarajan ret = ath6kl_wmi_send_probe_response_cmd(ar->wmi, vif->fw_vif_idx, freq, 2931334234b5SVasanthakumar Thiagarajan mgmt->da, p2p, p2p_len); 29328bdfbf40SJouni Malinen kfree(p2p); 29338bdfbf40SJouni Malinen return ret; 29348bdfbf40SJouni Malinen } 29358bdfbf40SJouni Malinen 2936d0ff7383SNaveen Gangadharan static bool ath6kl_mgmt_powersave_ap(struct ath6kl_vif *vif, 2937d0ff7383SNaveen Gangadharan u32 id, 2938d0ff7383SNaveen Gangadharan u32 freq, 2939d0ff7383SNaveen Gangadharan u32 wait, 2940d0ff7383SNaveen Gangadharan const u8 *buf, 2941d0ff7383SNaveen Gangadharan size_t len, 2942d0ff7383SNaveen Gangadharan bool *more_data, 2943d0ff7383SNaveen Gangadharan bool no_cck) 2944d0ff7383SNaveen Gangadharan { 2945d0ff7383SNaveen Gangadharan struct ieee80211_mgmt *mgmt; 2946d0ff7383SNaveen Gangadharan struct ath6kl_sta *conn; 2947d0ff7383SNaveen Gangadharan bool is_psq_empty = false; 2948d0ff7383SNaveen Gangadharan struct ath6kl_mgmt_buff *mgmt_buf; 2949d0ff7383SNaveen Gangadharan size_t mgmt_buf_size; 2950d0ff7383SNaveen Gangadharan struct ath6kl *ar = vif->ar; 2951d0ff7383SNaveen Gangadharan 2952d0ff7383SNaveen Gangadharan mgmt = (struct ieee80211_mgmt *) buf; 2953d0ff7383SNaveen Gangadharan if (is_multicast_ether_addr(mgmt->da)) 2954d0ff7383SNaveen Gangadharan return false; 2955d0ff7383SNaveen Gangadharan 2956d0ff7383SNaveen Gangadharan conn = ath6kl_find_sta(vif, mgmt->da); 2957d0ff7383SNaveen Gangadharan if (!conn) 2958d0ff7383SNaveen Gangadharan return false; 2959d0ff7383SNaveen Gangadharan 2960d0ff7383SNaveen Gangadharan if (conn->sta_flags & STA_PS_SLEEP) { 2961d0ff7383SNaveen Gangadharan if (!(conn->sta_flags & STA_PS_POLLED)) { 2962d0ff7383SNaveen Gangadharan /* Queue the frames if the STA is sleeping */ 2963d0ff7383SNaveen Gangadharan mgmt_buf_size = len + sizeof(struct ath6kl_mgmt_buff); 2964d0ff7383SNaveen Gangadharan mgmt_buf = kmalloc(mgmt_buf_size, GFP_KERNEL); 2965d0ff7383SNaveen Gangadharan if (!mgmt_buf) 2966d0ff7383SNaveen Gangadharan return false; 2967d0ff7383SNaveen Gangadharan 2968d0ff7383SNaveen Gangadharan INIT_LIST_HEAD(&mgmt_buf->list); 2969d0ff7383SNaveen Gangadharan mgmt_buf->id = id; 2970d0ff7383SNaveen Gangadharan mgmt_buf->freq = freq; 2971d0ff7383SNaveen Gangadharan mgmt_buf->wait = wait; 2972d0ff7383SNaveen Gangadharan mgmt_buf->len = len; 2973d0ff7383SNaveen Gangadharan mgmt_buf->no_cck = no_cck; 2974d0ff7383SNaveen Gangadharan memcpy(mgmt_buf->buf, buf, len); 2975d0ff7383SNaveen Gangadharan spin_lock_bh(&conn->psq_lock); 2976d0ff7383SNaveen Gangadharan is_psq_empty = skb_queue_empty(&conn->psq) && 2977d0ff7383SNaveen Gangadharan (conn->mgmt_psq_len == 0); 2978d0ff7383SNaveen Gangadharan list_add_tail(&mgmt_buf->list, &conn->mgmt_psq); 2979d0ff7383SNaveen Gangadharan conn->mgmt_psq_len++; 2980d0ff7383SNaveen Gangadharan spin_unlock_bh(&conn->psq_lock); 2981d0ff7383SNaveen Gangadharan 2982d0ff7383SNaveen Gangadharan /* 2983d0ff7383SNaveen Gangadharan * If this is the first pkt getting queued 2984d0ff7383SNaveen Gangadharan * for this STA, update the PVB for this 2985d0ff7383SNaveen Gangadharan * STA. 2986d0ff7383SNaveen Gangadharan */ 2987d0ff7383SNaveen Gangadharan if (is_psq_empty) 2988d0ff7383SNaveen Gangadharan ath6kl_wmi_set_pvb_cmd(ar->wmi, vif->fw_vif_idx, 2989d0ff7383SNaveen Gangadharan conn->aid, 1); 2990d0ff7383SNaveen Gangadharan return true; 2991d0ff7383SNaveen Gangadharan } 2992d0ff7383SNaveen Gangadharan 2993d0ff7383SNaveen Gangadharan /* 2994d0ff7383SNaveen Gangadharan * This tx is because of a PsPoll. 2995d0ff7383SNaveen Gangadharan * Determine if MoreData bit has to be set. 2996d0ff7383SNaveen Gangadharan */ 2997d0ff7383SNaveen Gangadharan spin_lock_bh(&conn->psq_lock); 2998d0ff7383SNaveen Gangadharan if (!skb_queue_empty(&conn->psq) || (conn->mgmt_psq_len != 0)) 2999d0ff7383SNaveen Gangadharan *more_data = true; 3000d0ff7383SNaveen Gangadharan spin_unlock_bh(&conn->psq_lock); 3001d0ff7383SNaveen Gangadharan } 3002d0ff7383SNaveen Gangadharan 3003d0ff7383SNaveen Gangadharan return false; 3004d0ff7383SNaveen Gangadharan } 3005d0ff7383SNaveen Gangadharan 3006c86e4f44SAarthi Thiruvengadam /* Check if SSID length is greater than DIRECT- */ 3007c86e4f44SAarthi Thiruvengadam static bool ath6kl_is_p2p_go_ssid(const u8 *buf, size_t len) 3008c86e4f44SAarthi Thiruvengadam { 3009c86e4f44SAarthi Thiruvengadam const struct ieee80211_mgmt *mgmt; 3010c86e4f44SAarthi Thiruvengadam mgmt = (const struct ieee80211_mgmt *) buf; 3011c86e4f44SAarthi Thiruvengadam 3012c86e4f44SAarthi Thiruvengadam /* variable[1] contains the SSID tag length */ 3013c86e4f44SAarthi Thiruvengadam if (buf + len >= &mgmt->u.probe_resp.variable[1] && 3014c86e4f44SAarthi Thiruvengadam (mgmt->u.probe_resp.variable[1] > P2P_WILDCARD_SSID_LEN)) { 3015c86e4f44SAarthi Thiruvengadam return true; 3016c86e4f44SAarthi Thiruvengadam } 3017c86e4f44SAarthi Thiruvengadam 3018c86e4f44SAarthi Thiruvengadam return false; 3019c86e4f44SAarthi Thiruvengadam } 3020c86e4f44SAarthi Thiruvengadam 30218a6c8060SJouni Malinen static int ath6kl_mgmt_tx(struct wiphy *wiphy, struct net_device *dev, 30228a6c8060SJouni Malinen struct ieee80211_channel *chan, bool offchan, 30238a6c8060SJouni Malinen enum nl80211_channel_type channel_type, 30248a6c8060SJouni Malinen bool channel_type_valid, unsigned int wait, 3025e247bd90SJohannes Berg const u8 *buf, size_t len, bool no_cck, 3026e247bd90SJohannes Berg bool dont_wait_for_ack, u64 *cookie) 30278a6c8060SJouni Malinen { 30288a6c8060SJouni Malinen struct ath6kl *ar = ath6kl_priv(dev); 302959c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 30308a6c8060SJouni Malinen u32 id; 30318bdfbf40SJouni Malinen const struct ieee80211_mgmt *mgmt; 3032d0ff7383SNaveen Gangadharan bool more_data, queued; 30338bdfbf40SJouni Malinen 30348bdfbf40SJouni Malinen mgmt = (const struct ieee80211_mgmt *) buf; 3035c86e4f44SAarthi Thiruvengadam if (vif->nw_type == AP_NETWORK && test_bit(CONNECTED, &vif->flags) && 3036c86e4f44SAarthi Thiruvengadam ieee80211_is_probe_resp(mgmt->frame_control) && 3037c86e4f44SAarthi Thiruvengadam ath6kl_is_p2p_go_ssid(buf, len)) { 30388bdfbf40SJouni Malinen /* 3039c86e4f44SAarthi Thiruvengadam * Send Probe Response frame in GO mode using a separate WMI 30408bdfbf40SJouni Malinen * command to allow the target to fill in the generic IEs. 30418bdfbf40SJouni Malinen */ 30428bdfbf40SJouni Malinen *cookie = 0; /* TX status not supported */ 3043334234b5SVasanthakumar Thiagarajan return ath6kl_send_go_probe_resp(vif, buf, len, 30448bdfbf40SJouni Malinen chan->center_freq); 30458bdfbf40SJouni Malinen } 30468a6c8060SJouni Malinen 3047cf5333d7SVasanthakumar Thiagarajan id = vif->send_action_id++; 30488a6c8060SJouni Malinen if (id == 0) { 30498a6c8060SJouni Malinen /* 30508a6c8060SJouni Malinen * 0 is a reserved value in the WMI command and shall not be 30518a6c8060SJouni Malinen * used for the command. 30528a6c8060SJouni Malinen */ 3053cf5333d7SVasanthakumar Thiagarajan id = vif->send_action_id++; 30548a6c8060SJouni Malinen } 30558a6c8060SJouni Malinen 30568a6c8060SJouni Malinen *cookie = id; 30573ca9d1fcSAarthi Thiruvengadam 3058d0ff7383SNaveen Gangadharan /* AP mode Power saving processing */ 3059d0ff7383SNaveen Gangadharan if (vif->nw_type == AP_NETWORK) { 3060d0ff7383SNaveen Gangadharan queued = ath6kl_mgmt_powersave_ap(vif, 3061d0ff7383SNaveen Gangadharan id, chan->center_freq, 3062d0ff7383SNaveen Gangadharan wait, buf, 3063d0ff7383SNaveen Gangadharan len, &more_data, no_cck); 3064d0ff7383SNaveen Gangadharan if (queued) 3065d0ff7383SNaveen Gangadharan return 0; 3066d0ff7383SNaveen Gangadharan } 3067d0ff7383SNaveen Gangadharan 30683ca9d1fcSAarthi Thiruvengadam return ath6kl_wmi_send_mgmt_cmd(ar->wmi, vif->fw_vif_idx, id, 30693ca9d1fcSAarthi Thiruvengadam chan->center_freq, wait, 30703ca9d1fcSAarthi Thiruvengadam buf, len, no_cck); 30713ca9d1fcSAarthi Thiruvengadam } 30728a6c8060SJouni Malinen 3073ae32c30aSJouni Malinen static void ath6kl_mgmt_frame_register(struct wiphy *wiphy, 3074ae32c30aSJouni Malinen struct net_device *dev, 3075ae32c30aSJouni Malinen u16 frame_type, bool reg) 3076ae32c30aSJouni Malinen { 3077cf5333d7SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 3078ae32c30aSJouni Malinen 3079ae32c30aSJouni Malinen ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: frame_type=0x%x reg=%d\n", 3080ae32c30aSJouni Malinen __func__, frame_type, reg); 3081ae32c30aSJouni Malinen if (frame_type == IEEE80211_STYPE_PROBE_REQ) { 3082ae32c30aSJouni Malinen /* 3083ae32c30aSJouni Malinen * Note: This notification callback is not allowed to sleep, so 3084ae32c30aSJouni Malinen * we cannot send WMI_PROBE_REQ_REPORT_CMD here. Instead, we 3085ae32c30aSJouni Malinen * hardcode target to report Probe Request frames all the time. 3086ae32c30aSJouni Malinen */ 3087cf5333d7SVasanthakumar Thiagarajan vif->probe_req_report = reg; 3088ae32c30aSJouni Malinen } 3089ae32c30aSJouni Malinen } 3090ae32c30aSJouni Malinen 309110509f90SKalle Valo static int ath6kl_cfg80211_sscan_start(struct wiphy *wiphy, 309210509f90SKalle Valo struct net_device *dev, 309310509f90SKalle Valo struct cfg80211_sched_scan_request *request) 309410509f90SKalle Valo { 309510509f90SKalle Valo struct ath6kl *ar = ath6kl_priv(dev); 309610509f90SKalle Valo struct ath6kl_vif *vif = netdev_priv(dev); 309710509f90SKalle Valo u16 interval; 309810509f90SKalle Valo int ret; 309910509f90SKalle Valo u8 i; 310010509f90SKalle Valo 310110509f90SKalle Valo if (ar->state != ATH6KL_STATE_ON) 310210509f90SKalle Valo return -EIO; 310310509f90SKalle Valo 310410509f90SKalle Valo if (vif->sme_state != SME_DISCONNECTED) 310510509f90SKalle Valo return -EBUSY; 310610509f90SKalle Valo 3107b4d13d3bSKalle Valo ath6kl_cfg80211_scan_complete_event(vif, true); 3108b4d13d3bSKalle Valo 310910509f90SKalle Valo for (i = 0; i < ar->wiphy->max_sched_scan_ssids; i++) { 311010509f90SKalle Valo ath6kl_wmi_probedssid_cmd(ar->wmi, vif->fw_vif_idx, 311110509f90SKalle Valo i, DISABLE_SSID_FLAG, 311210509f90SKalle Valo 0, NULL); 311310509f90SKalle Valo } 311410509f90SKalle Valo 311510509f90SKalle Valo /* fw uses seconds, also make sure that it's >0 */ 311610509f90SKalle Valo interval = max_t(u16, 1, request->interval / 1000); 311710509f90SKalle Valo 311810509f90SKalle Valo ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx, 311910509f90SKalle Valo interval, interval, 312010509f90SKalle Valo 10, 0, 0, 0, 3, 0, 0, 0); 312110509f90SKalle Valo 312210509f90SKalle Valo if (request->n_ssids && request->ssids[0].ssid_len) { 312310509f90SKalle Valo for (i = 0; i < request->n_ssids; i++) { 312410509f90SKalle Valo ath6kl_wmi_probedssid_cmd(ar->wmi, vif->fw_vif_idx, 312510509f90SKalle Valo i, SPECIFIC_SSID_FLAG, 312610509f90SKalle Valo request->ssids[i].ssid_len, 312710509f90SKalle Valo request->ssids[i].ssid); 312810509f90SKalle Valo } 312910509f90SKalle Valo } 313010509f90SKalle Valo 313110509f90SKalle Valo ret = ath6kl_wmi_set_wow_mode_cmd(ar->wmi, vif->fw_vif_idx, 313210509f90SKalle Valo ATH6KL_WOW_MODE_ENABLE, 313310509f90SKalle Valo WOW_FILTER_SSID, 313410509f90SKalle Valo WOW_HOST_REQ_DELAY); 313510509f90SKalle Valo if (ret) { 313610509f90SKalle Valo ath6kl_warn("Failed to enable wow with ssid filter: %d\n", ret); 313710509f90SKalle Valo return ret; 313810509f90SKalle Valo } 313910509f90SKalle Valo 314010509f90SKalle Valo /* this also clears IE in fw if it's not set */ 314110509f90SKalle Valo ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, 314210509f90SKalle Valo WMI_FRAME_PROBE_REQ, 314310509f90SKalle Valo request->ie, request->ie_len); 314410509f90SKalle Valo if (ret) { 314510509f90SKalle Valo ath6kl_warn("Failed to set probe request IE for scheduled scan: %d", 314610509f90SKalle Valo ret); 314710509f90SKalle Valo return ret; 314810509f90SKalle Valo } 314910509f90SKalle Valo 315010509f90SKalle Valo ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx, 315110509f90SKalle Valo ATH6KL_HOST_MODE_ASLEEP); 315210509f90SKalle Valo if (ret) { 315310509f90SKalle Valo ath6kl_warn("Failed to enable host sleep mode for sched scan: %d\n", 315410509f90SKalle Valo ret); 315510509f90SKalle Valo return ret; 315610509f90SKalle Valo } 315710509f90SKalle Valo 315810509f90SKalle Valo ar->state = ATH6KL_STATE_SCHED_SCAN; 315910509f90SKalle Valo 316010509f90SKalle Valo return ret; 316110509f90SKalle Valo } 316210509f90SKalle Valo 316310509f90SKalle Valo static int ath6kl_cfg80211_sscan_stop(struct wiphy *wiphy, 316410509f90SKalle Valo struct net_device *dev) 316510509f90SKalle Valo { 316610509f90SKalle Valo struct ath6kl_vif *vif = netdev_priv(dev); 316710509f90SKalle Valo bool stopped; 316810509f90SKalle Valo 316910509f90SKalle Valo stopped = __ath6kl_cfg80211_sscan_stop(vif); 317010509f90SKalle Valo 317110509f90SKalle Valo if (!stopped) 317210509f90SKalle Valo return -EIO; 317310509f90SKalle Valo 317410509f90SKalle Valo return 0; 317510509f90SKalle Valo } 317610509f90SKalle Valo 3177f80574aeSJouni Malinen static const struct ieee80211_txrx_stypes 3178f80574aeSJouni Malinen ath6kl_mgmt_stypes[NUM_NL80211_IFTYPES] = { 3179f80574aeSJouni Malinen [NL80211_IFTYPE_STATION] = { 3180f80574aeSJouni Malinen .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3181f80574aeSJouni Malinen BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 3182f80574aeSJouni Malinen .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3183f80574aeSJouni Malinen BIT(IEEE80211_STYPE_PROBE_REQ >> 4) 3184f80574aeSJouni Malinen }, 3185ba1f6fe3SJouni Malinen [NL80211_IFTYPE_AP] = { 3186ba1f6fe3SJouni Malinen .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3187ba1f6fe3SJouni Malinen BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 3188ba1f6fe3SJouni Malinen .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3189ba1f6fe3SJouni Malinen BIT(IEEE80211_STYPE_PROBE_REQ >> 4) 3190ba1f6fe3SJouni Malinen }, 3191f80574aeSJouni Malinen [NL80211_IFTYPE_P2P_CLIENT] = { 3192f80574aeSJouni Malinen .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3193f80574aeSJouni Malinen BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 3194f80574aeSJouni Malinen .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3195f80574aeSJouni Malinen BIT(IEEE80211_STYPE_PROBE_REQ >> 4) 3196f80574aeSJouni Malinen }, 3197f80574aeSJouni Malinen [NL80211_IFTYPE_P2P_GO] = { 3198f80574aeSJouni Malinen .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3199f80574aeSJouni Malinen BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 3200f80574aeSJouni Malinen .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3201f80574aeSJouni Malinen BIT(IEEE80211_STYPE_PROBE_REQ >> 4) 3202f80574aeSJouni Malinen }, 3203f80574aeSJouni Malinen }; 3204f80574aeSJouni Malinen 3205bdcd8170SKalle Valo static struct cfg80211_ops ath6kl_cfg80211_ops = { 320655055976SVasanthakumar Thiagarajan .add_virtual_intf = ath6kl_cfg80211_add_iface, 320755055976SVasanthakumar Thiagarajan .del_virtual_intf = ath6kl_cfg80211_del_iface, 3208bdcd8170SKalle Valo .change_virtual_intf = ath6kl_cfg80211_change_iface, 3209bdcd8170SKalle Valo .scan = ath6kl_cfg80211_scan, 3210bdcd8170SKalle Valo .connect = ath6kl_cfg80211_connect, 3211bdcd8170SKalle Valo .disconnect = ath6kl_cfg80211_disconnect, 3212bdcd8170SKalle Valo .add_key = ath6kl_cfg80211_add_key, 3213bdcd8170SKalle Valo .get_key = ath6kl_cfg80211_get_key, 3214bdcd8170SKalle Valo .del_key = ath6kl_cfg80211_del_key, 3215bdcd8170SKalle Valo .set_default_key = ath6kl_cfg80211_set_default_key, 3216bdcd8170SKalle Valo .set_wiphy_params = ath6kl_cfg80211_set_wiphy_params, 3217bdcd8170SKalle Valo .set_tx_power = ath6kl_cfg80211_set_txpower, 3218bdcd8170SKalle Valo .get_tx_power = ath6kl_cfg80211_get_txpower, 3219bdcd8170SKalle Valo .set_power_mgmt = ath6kl_cfg80211_set_power_mgmt, 3220bdcd8170SKalle Valo .join_ibss = ath6kl_cfg80211_join_ibss, 3221bdcd8170SKalle Valo .leave_ibss = ath6kl_cfg80211_leave_ibss, 3222bdcd8170SKalle Valo .get_station = ath6kl_get_station, 3223bdcd8170SKalle Valo .set_pmksa = ath6kl_set_pmksa, 3224bdcd8170SKalle Valo .del_pmksa = ath6kl_del_pmksa, 3225bdcd8170SKalle Valo .flush_pmksa = ath6kl_flush_pmksa, 3226003353b0SKalle Valo CFG80211_TESTMODE_CMD(ath6kl_tm_cmd) 3227abcb344bSKalle Valo #ifdef CONFIG_PM 322852d81a68SKalle Valo .suspend = __ath6kl_cfg80211_suspend, 322952d81a68SKalle Valo .resume = __ath6kl_cfg80211_resume, 3230abcb344bSKalle Valo #endif 32316a7c9badSJouni Malinen .set_channel = ath6kl_set_channel, 32328860020eSJohannes Berg .start_ap = ath6kl_start_ap, 32338860020eSJohannes Berg .change_beacon = ath6kl_change_beacon, 32348860020eSJohannes Berg .stop_ap = ath6kl_stop_ap, 323533e5308dSJouni Malinen .del_station = ath6kl_del_station, 323623875136SJouni Malinen .change_station = ath6kl_change_station, 323763fa1e0cSJouni Malinen .remain_on_channel = ath6kl_remain_on_channel, 323863fa1e0cSJouni Malinen .cancel_remain_on_channel = ath6kl_cancel_remain_on_channel, 32398a6c8060SJouni Malinen .mgmt_tx = ath6kl_mgmt_tx, 3240ae32c30aSJouni Malinen .mgmt_frame_register = ath6kl_mgmt_frame_register, 324110509f90SKalle Valo .sched_scan_start = ath6kl_cfg80211_sscan_start, 324210509f90SKalle Valo .sched_scan_stop = ath6kl_cfg80211_sscan_stop, 3243bdcd8170SKalle Valo }; 3244bdcd8170SKalle Valo 32457125f01dSKalle Valo void ath6kl_cfg80211_stop(struct ath6kl_vif *vif) 3246ec4b7f60SKalle Valo { 324710509f90SKalle Valo ath6kl_cfg80211_sscan_disable(vif); 324810509f90SKalle Valo 3249ec4b7f60SKalle Valo switch (vif->sme_state) { 3250c97a31b0SKalle Valo case SME_DISCONNECTED: 3251c97a31b0SKalle Valo break; 3252ec4b7f60SKalle Valo case SME_CONNECTING: 3253ec4b7f60SKalle Valo cfg80211_connect_result(vif->ndev, vif->bssid, NULL, 0, 3254ec4b7f60SKalle Valo NULL, 0, 3255ec4b7f60SKalle Valo WLAN_STATUS_UNSPECIFIED_FAILURE, 3256ec4b7f60SKalle Valo GFP_KERNEL); 3257ec4b7f60SKalle Valo break; 3258ec4b7f60SKalle Valo case SME_CONNECTED: 3259ec4b7f60SKalle Valo cfg80211_disconnected(vif->ndev, 0, NULL, 0, GFP_KERNEL); 3260ec4b7f60SKalle Valo break; 3261ec4b7f60SKalle Valo } 3262ec4b7f60SKalle Valo 3263ec4b7f60SKalle Valo if (test_bit(CONNECTED, &vif->flags) || 3264ec4b7f60SKalle Valo test_bit(CONNECT_PEND, &vif->flags)) 32657125f01dSKalle Valo ath6kl_wmi_disconnect_cmd(vif->ar->wmi, vif->fw_vif_idx); 3266ec4b7f60SKalle Valo 3267ec4b7f60SKalle Valo vif->sme_state = SME_DISCONNECTED; 32681f405255SKalle Valo clear_bit(CONNECTED, &vif->flags); 32691f405255SKalle Valo clear_bit(CONNECT_PEND, &vif->flags); 3270ec4b7f60SKalle Valo 3271ec4b7f60SKalle Valo /* disable scanning */ 32727125f01dSKalle Valo if (ath6kl_wmi_scanparams_cmd(vif->ar->wmi, vif->fw_vif_idx, 0xFFFF, 32737125f01dSKalle Valo 0, 0, 0, 0, 0, 0, 0, 0, 0) != 0) 32747125f01dSKalle Valo ath6kl_warn("failed to disable scan during stop\n"); 3275ec4b7f60SKalle Valo 3276ec4b7f60SKalle Valo ath6kl_cfg80211_scan_complete_event(vif, true); 3277ec4b7f60SKalle Valo } 3278ec4b7f60SKalle Valo 32797125f01dSKalle Valo void ath6kl_cfg80211_stop_all(struct ath6kl *ar) 32807125f01dSKalle Valo { 32817125f01dSKalle Valo struct ath6kl_vif *vif; 32827125f01dSKalle Valo 32837125f01dSKalle Valo vif = ath6kl_vif_first(ar); 32847125f01dSKalle Valo if (!vif) { 32857125f01dSKalle Valo /* save the current power mode before enabling power save */ 32867125f01dSKalle Valo ar->wmi->saved_pwr_mode = ar->wmi->pwr_mode; 32877125f01dSKalle Valo 32887125f01dSKalle Valo if (ath6kl_wmi_powermode_cmd(ar->wmi, 0, REC_POWER) != 0) 32897125f01dSKalle Valo ath6kl_warn("ath6kl_deep_sleep_enable: " 32907125f01dSKalle Valo "wmi_powermode_cmd failed\n"); 32917125f01dSKalle Valo return; 32927125f01dSKalle Valo } 32937125f01dSKalle Valo 32947125f01dSKalle Valo /* 32957125f01dSKalle Valo * FIXME: we should take ar->list_lock to protect changes in the 32967125f01dSKalle Valo * vif_list, but that's not trivial to do as ath6kl_cfg80211_stop() 32977125f01dSKalle Valo * sleeps. 32987125f01dSKalle Valo */ 32997125f01dSKalle Valo list_for_each_entry(vif, &ar->vif_list, list) 33007125f01dSKalle Valo ath6kl_cfg80211_stop(vif); 33017125f01dSKalle Valo } 33027125f01dSKalle Valo 3303c25889e8SKalle Valo static int ath6kl_cfg80211_vif_init(struct ath6kl_vif *vif) 33048dafb70eSVasanthakumar Thiagarajan { 33057baef812SVasanthakumar Thiagarajan vif->aggr_cntxt = aggr_init(vif); 33062132c69cSVasanthakumar Thiagarajan if (!vif->aggr_cntxt) { 33078dafb70eSVasanthakumar Thiagarajan ath6kl_err("failed to initialize aggr\n"); 33088dafb70eSVasanthakumar Thiagarajan return -ENOMEM; 33098dafb70eSVasanthakumar Thiagarajan } 33108dafb70eSVasanthakumar Thiagarajan 3311de3ad713SVasanthakumar Thiagarajan setup_timer(&vif->disconnect_timer, disconnect_timer_handler, 3312108438bcSVasanthakumar Thiagarajan (unsigned long) vif->ndev); 331310509f90SKalle Valo setup_timer(&vif->sched_scan_timer, ath6kl_wmi_sscan_timer, 331410509f90SKalle Valo (unsigned long) vif); 331510509f90SKalle Valo 3316de3ad713SVasanthakumar Thiagarajan set_bit(WMM_ENABLED, &vif->flags); 3317478ac027SVasanthakumar Thiagarajan spin_lock_init(&vif->if_lock); 33188dafb70eSVasanthakumar Thiagarajan 331980abaf9bSVasanthakumar Thiagarajan INIT_LIST_HEAD(&vif->mc_filter); 332080abaf9bSVasanthakumar Thiagarajan 33218dafb70eSVasanthakumar Thiagarajan return 0; 33228dafb70eSVasanthakumar Thiagarajan } 33238dafb70eSVasanthakumar Thiagarajan 3324c25889e8SKalle Valo void ath6kl_cfg80211_vif_cleanup(struct ath6kl_vif *vif) 33258dafb70eSVasanthakumar Thiagarajan { 332655055976SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 332780abaf9bSVasanthakumar Thiagarajan struct ath6kl_mc_filter *mc_filter, *tmp; 332855055976SVasanthakumar Thiagarajan 33292132c69cSVasanthakumar Thiagarajan aggr_module_destroy(vif->aggr_cntxt); 3330108438bcSVasanthakumar Thiagarajan 333155055976SVasanthakumar Thiagarajan ar->avail_idx_map |= BIT(vif->fw_vif_idx); 333255055976SVasanthakumar Thiagarajan 333355055976SVasanthakumar Thiagarajan if (vif->nw_type == ADHOC_NETWORK) 333455055976SVasanthakumar Thiagarajan ar->ibss_if_active = false; 333555055976SVasanthakumar Thiagarajan 333680abaf9bSVasanthakumar Thiagarajan list_for_each_entry_safe(mc_filter, tmp, &vif->mc_filter, list) { 333780abaf9bSVasanthakumar Thiagarajan list_del(&mc_filter->list); 333880abaf9bSVasanthakumar Thiagarajan kfree(mc_filter); 333980abaf9bSVasanthakumar Thiagarajan } 334080abaf9bSVasanthakumar Thiagarajan 334127929723SVasanthakumar Thiagarajan unregister_netdevice(vif->ndev); 334255055976SVasanthakumar Thiagarajan 334355055976SVasanthakumar Thiagarajan ar->num_vif--; 33448dafb70eSVasanthakumar Thiagarajan } 33458dafb70eSVasanthakumar Thiagarajan 33468dafb70eSVasanthakumar Thiagarajan struct net_device *ath6kl_interface_add(struct ath6kl *ar, char *name, 334755055976SVasanthakumar Thiagarajan enum nl80211_iftype type, u8 fw_vif_idx, 334855055976SVasanthakumar Thiagarajan u8 nw_type) 33498dafb70eSVasanthakumar Thiagarajan { 33508dafb70eSVasanthakumar Thiagarajan struct net_device *ndev; 3351108438bcSVasanthakumar Thiagarajan struct ath6kl_vif *vif; 33528dafb70eSVasanthakumar Thiagarajan 335355055976SVasanthakumar Thiagarajan ndev = alloc_netdev(sizeof(*vif), name, ether_setup); 33548dafb70eSVasanthakumar Thiagarajan if (!ndev) 33558dafb70eSVasanthakumar Thiagarajan return NULL; 33568dafb70eSVasanthakumar Thiagarajan 3357108438bcSVasanthakumar Thiagarajan vif = netdev_priv(ndev); 3358108438bcSVasanthakumar Thiagarajan ndev->ieee80211_ptr = &vif->wdev; 3359108438bcSVasanthakumar Thiagarajan vif->wdev.wiphy = ar->wiphy; 3360108438bcSVasanthakumar Thiagarajan vif->ar = ar; 3361108438bcSVasanthakumar Thiagarajan vif->ndev = ndev; 3362108438bcSVasanthakumar Thiagarajan SET_NETDEV_DEV(ndev, wiphy_dev(vif->wdev.wiphy)); 3363108438bcSVasanthakumar Thiagarajan vif->wdev.netdev = ndev; 3364108438bcSVasanthakumar Thiagarajan vif->wdev.iftype = type; 3365334234b5SVasanthakumar Thiagarajan vif->fw_vif_idx = fw_vif_idx; 3366d0d670abSKalle Valo vif->nw_type = nw_type; 3367d0d670abSKalle Valo vif->next_mode = nw_type; 33688f46fccdSRaja Mani vif->listen_intvl_t = ATH6KL_DEFAULT_LISTEN_INTVAL; 3369ce0dc0cfSRaja Mani vif->bmiss_time_t = ATH6KL_DEFAULT_BMISS_TIME; 3370df90b369SVasanthakumar Thiagarajan vif->htcap.ht_enable = true; 33718dafb70eSVasanthakumar Thiagarajan 337255055976SVasanthakumar Thiagarajan memcpy(ndev->dev_addr, ar->mac_addr, ETH_ALEN); 337355055976SVasanthakumar Thiagarajan if (fw_vif_idx != 0) 337455055976SVasanthakumar Thiagarajan ndev->dev_addr[0] = (ndev->dev_addr[0] ^ (1 << fw_vif_idx)) | 337555055976SVasanthakumar Thiagarajan 0x2; 337655055976SVasanthakumar Thiagarajan 33778dafb70eSVasanthakumar Thiagarajan init_netdev(ndev); 33788dafb70eSVasanthakumar Thiagarajan 3379e29f25f5SVasanthakumar Thiagarajan ath6kl_init_control_info(vif); 33808dafb70eSVasanthakumar Thiagarajan 3381c25889e8SKalle Valo if (ath6kl_cfg80211_vif_init(vif)) 33828dafb70eSVasanthakumar Thiagarajan goto err; 33838dafb70eSVasanthakumar Thiagarajan 338427929723SVasanthakumar Thiagarajan if (register_netdevice(ndev)) 33858dafb70eSVasanthakumar Thiagarajan goto err; 33868dafb70eSVasanthakumar Thiagarajan 338755055976SVasanthakumar Thiagarajan ar->avail_idx_map &= ~BIT(fw_vif_idx); 338814ee6f6bSVasanthakumar Thiagarajan vif->sme_state = SME_DISCONNECTED; 338959c98449SVasanthakumar Thiagarajan set_bit(WLAN_ENABLED, &vif->flags); 33908dafb70eSVasanthakumar Thiagarajan ar->wlan_pwr_state = WLAN_POWER_STATE_ON; 339159c98449SVasanthakumar Thiagarajan set_bit(NETDEV_REGISTERED, &vif->flags); 33928dafb70eSVasanthakumar Thiagarajan 339355055976SVasanthakumar Thiagarajan if (type == NL80211_IFTYPE_ADHOC) 339455055976SVasanthakumar Thiagarajan ar->ibss_if_active = true; 339555055976SVasanthakumar Thiagarajan 339611f6e40dSVasanthakumar Thiagarajan spin_lock_bh(&ar->list_lock); 3397990bd915SVasanthakumar Thiagarajan list_add_tail(&vif->list, &ar->vif_list); 339811f6e40dSVasanthakumar Thiagarajan spin_unlock_bh(&ar->list_lock); 3399990bd915SVasanthakumar Thiagarajan 34008dafb70eSVasanthakumar Thiagarajan return ndev; 34018dafb70eSVasanthakumar Thiagarajan 34028dafb70eSVasanthakumar Thiagarajan err: 340327929723SVasanthakumar Thiagarajan aggr_module_destroy(vif->aggr_cntxt); 340427929723SVasanthakumar Thiagarajan free_netdev(ndev); 3405bdcd8170SKalle Valo return NULL; 3406bdcd8170SKalle Valo } 3407bdcd8170SKalle Valo 340846d33a21SKalle Valo int ath6kl_cfg80211_init(struct ath6kl *ar) 340946d33a21SKalle Valo { 341046d33a21SKalle Valo struct wiphy *wiphy = ar->wiphy; 341146d33a21SKalle Valo int ret; 341246d33a21SKalle Valo 341346d33a21SKalle Valo wiphy->mgmt_stypes = ath6kl_mgmt_stypes; 341446d33a21SKalle Valo 341546d33a21SKalle Valo wiphy->max_remain_on_channel_duration = 5000; 341646d33a21SKalle Valo 341746d33a21SKalle Valo /* set device pointer for wiphy */ 341846d33a21SKalle Valo set_wiphy_dev(wiphy, ar->dev); 341946d33a21SKalle Valo 342046d33a21SKalle Valo wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | 342146d33a21SKalle Valo BIT(NL80211_IFTYPE_ADHOC) | 342246d33a21SKalle Valo BIT(NL80211_IFTYPE_AP); 342346d33a21SKalle Valo if (ar->p2p) { 342446d33a21SKalle Valo wiphy->interface_modes |= BIT(NL80211_IFTYPE_P2P_GO) | 342546d33a21SKalle Valo BIT(NL80211_IFTYPE_P2P_CLIENT); 342646d33a21SKalle Valo } 342746d33a21SKalle Valo 342846d33a21SKalle Valo /* max num of ssids that can be probed during scanning */ 342946d33a21SKalle Valo wiphy->max_scan_ssids = MAX_PROBED_SSID_INDEX; 343046d33a21SKalle Valo wiphy->max_scan_ie_len = 1000; /* FIX: what is correct limit? */ 343146d33a21SKalle Valo wiphy->bands[IEEE80211_BAND_2GHZ] = &ath6kl_band_2ghz; 343246d33a21SKalle Valo wiphy->bands[IEEE80211_BAND_5GHZ] = &ath6kl_band_5ghz; 343346d33a21SKalle Valo wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; 343446d33a21SKalle Valo 343546d33a21SKalle Valo wiphy->cipher_suites = cipher_suites; 343646d33a21SKalle Valo wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites); 343746d33a21SKalle Valo 343846d33a21SKalle Valo wiphy->wowlan.flags = WIPHY_WOWLAN_MAGIC_PKT | 343946d33a21SKalle Valo WIPHY_WOWLAN_DISCONNECT | 344046d33a21SKalle Valo WIPHY_WOWLAN_GTK_REKEY_FAILURE | 344146d33a21SKalle Valo WIPHY_WOWLAN_SUPPORTS_GTK_REKEY | 344246d33a21SKalle Valo WIPHY_WOWLAN_EAP_IDENTITY_REQ | 344346d33a21SKalle Valo WIPHY_WOWLAN_4WAY_HANDSHAKE; 344446d33a21SKalle Valo wiphy->wowlan.n_patterns = WOW_MAX_FILTERS_PER_LIST; 344546d33a21SKalle Valo wiphy->wowlan.pattern_min_len = 1; 344646d33a21SKalle Valo wiphy->wowlan.pattern_max_len = WOW_PATTERN_SIZE; 344746d33a21SKalle Valo 344846d33a21SKalle Valo wiphy->max_sched_scan_ssids = 10; 344946d33a21SKalle Valo 3450f2afdac7SVasanthakumar Thiagarajan ar->wiphy->flags |= WIPHY_FLAG_SUPPORTS_FW_ROAM | 3451f2afdac7SVasanthakumar Thiagarajan WIPHY_FLAG_HAVE_AP_SME | 3452f2afdac7SVasanthakumar Thiagarajan WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL | 3453f2afdac7SVasanthakumar Thiagarajan WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD; 3454f2afdac7SVasanthakumar Thiagarajan 3455f2afdac7SVasanthakumar Thiagarajan if (test_bit(ATH6KL_FW_CAPABILITY_SCHED_SCAN, ar->fw_capabilities)) 3456f2afdac7SVasanthakumar Thiagarajan ar->wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN; 3457f2afdac7SVasanthakumar Thiagarajan 345803bdeb0dSVasanthakumar Thiagarajan if (test_bit(ATH6KL_FW_CAPABILITY_INACTIVITY_TIMEOUT, 345903bdeb0dSVasanthakumar Thiagarajan ar->fw_capabilities)) 346003bdeb0dSVasanthakumar Thiagarajan ar->wiphy->features = NL80211_FEATURE_INACTIVITY_TIMER; 346103bdeb0dSVasanthakumar Thiagarajan 3462f2afdac7SVasanthakumar Thiagarajan ar->wiphy->probe_resp_offload = 3463f2afdac7SVasanthakumar Thiagarajan NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS | 3464f2afdac7SVasanthakumar Thiagarajan NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 | 3465f2afdac7SVasanthakumar Thiagarajan NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P | 3466f2afdac7SVasanthakumar Thiagarajan NL80211_PROBE_RESP_OFFLOAD_SUPPORT_80211U; 3467f2afdac7SVasanthakumar Thiagarajan 346846d33a21SKalle Valo ret = wiphy_register(wiphy); 346946d33a21SKalle Valo if (ret < 0) { 347046d33a21SKalle Valo ath6kl_err("couldn't register wiphy device\n"); 347146d33a21SKalle Valo return ret; 347246d33a21SKalle Valo } 347346d33a21SKalle Valo 3474e5348a1eSVasanthakumar Thiagarajan ar->wiphy_registered = true; 3475e5348a1eSVasanthakumar Thiagarajan 347646d33a21SKalle Valo return 0; 347746d33a21SKalle Valo } 347846d33a21SKalle Valo 347946d33a21SKalle Valo void ath6kl_cfg80211_cleanup(struct ath6kl *ar) 3480bdcd8170SKalle Valo { 3481be98e3a4SVasanthakumar Thiagarajan wiphy_unregister(ar->wiphy); 3482e5348a1eSVasanthakumar Thiagarajan 3483e5348a1eSVasanthakumar Thiagarajan ar->wiphy_registered = false; 348445eaa78fSKalle Valo } 348546d33a21SKalle Valo 348645eaa78fSKalle Valo struct ath6kl *ath6kl_cfg80211_create(void) 348745eaa78fSKalle Valo { 348845eaa78fSKalle Valo struct ath6kl *ar; 348945eaa78fSKalle Valo struct wiphy *wiphy; 349045eaa78fSKalle Valo 349145eaa78fSKalle Valo /* create a new wiphy for use with cfg80211 */ 349245eaa78fSKalle Valo wiphy = wiphy_new(&ath6kl_cfg80211_ops, sizeof(struct ath6kl)); 349345eaa78fSKalle Valo 349445eaa78fSKalle Valo if (!wiphy) { 349545eaa78fSKalle Valo ath6kl_err("couldn't allocate wiphy device\n"); 349645eaa78fSKalle Valo return NULL; 349745eaa78fSKalle Valo } 349845eaa78fSKalle Valo 349945eaa78fSKalle Valo ar = wiphy_priv(wiphy); 350045eaa78fSKalle Valo ar->wiphy = wiphy; 350145eaa78fSKalle Valo 350245eaa78fSKalle Valo return ar; 350345eaa78fSKalle Valo } 350445eaa78fSKalle Valo 350545eaa78fSKalle Valo /* Note: ar variable must not be accessed after calling this! */ 350645eaa78fSKalle Valo void ath6kl_cfg80211_destroy(struct ath6kl *ar) 350745eaa78fSKalle Valo { 35081d2a4456SVasanthakumar Thiagarajan int i; 35091d2a4456SVasanthakumar Thiagarajan 35101d2a4456SVasanthakumar Thiagarajan for (i = 0; i < AP_MAX_NUM_STA; i++) 35111d2a4456SVasanthakumar Thiagarajan kfree(ar->sta_list[i].aggr_conn); 35121d2a4456SVasanthakumar Thiagarajan 3513be98e3a4SVasanthakumar Thiagarajan wiphy_free(ar->wiphy); 3514bdcd8170SKalle Valo } 351545eaa78fSKalle Valo 3516