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 56dd45b759SNaveen Singh struct ath6kl_cfg80211_match_probe_ssid { 57dd45b759SNaveen Singh struct cfg80211_ssid ssid; 58dd45b759SNaveen Singh u8 flag; 59dd45b759SNaveen Singh }; 60dd45b759SNaveen Singh 61bdcd8170SKalle Valo static struct ieee80211_rate ath6kl_rates[] = { 62bdcd8170SKalle Valo RATETAB_ENT(10, 0x1, 0), 63bdcd8170SKalle Valo RATETAB_ENT(20, 0x2, 0), 64bdcd8170SKalle Valo RATETAB_ENT(55, 0x4, 0), 65bdcd8170SKalle Valo RATETAB_ENT(110, 0x8, 0), 66bdcd8170SKalle Valo RATETAB_ENT(60, 0x10, 0), 67bdcd8170SKalle Valo RATETAB_ENT(90, 0x20, 0), 68bdcd8170SKalle Valo RATETAB_ENT(120, 0x40, 0), 69bdcd8170SKalle Valo RATETAB_ENT(180, 0x80, 0), 70bdcd8170SKalle Valo RATETAB_ENT(240, 0x100, 0), 71bdcd8170SKalle Valo RATETAB_ENT(360, 0x200, 0), 72bdcd8170SKalle Valo RATETAB_ENT(480, 0x400, 0), 73bdcd8170SKalle Valo RATETAB_ENT(540, 0x800, 0), 74bdcd8170SKalle Valo }; 75bdcd8170SKalle Valo 76bdcd8170SKalle Valo #define ath6kl_a_rates (ath6kl_rates + 4) 77bdcd8170SKalle Valo #define ath6kl_a_rates_size 8 78bdcd8170SKalle Valo #define ath6kl_g_rates (ath6kl_rates + 0) 79bdcd8170SKalle Valo #define ath6kl_g_rates_size 12 80bdcd8170SKalle Valo 81bed56e31SVasanthakumar Thiagarajan #define ath6kl_g_htcap IEEE80211_HT_CAP_SGI_20 82bed56e31SVasanthakumar Thiagarajan #define ath6kl_a_htcap (IEEE80211_HT_CAP_SUP_WIDTH_20_40 | \ 83faaf1929SVasanthakumar Thiagarajan IEEE80211_HT_CAP_SGI_20 | \ 84faaf1929SVasanthakumar Thiagarajan IEEE80211_HT_CAP_SGI_40) 85faaf1929SVasanthakumar Thiagarajan 86bdcd8170SKalle Valo static struct ieee80211_channel ath6kl_2ghz_channels[] = { 87bdcd8170SKalle Valo CHAN2G(1, 2412, 0), 88bdcd8170SKalle Valo CHAN2G(2, 2417, 0), 89bdcd8170SKalle Valo CHAN2G(3, 2422, 0), 90bdcd8170SKalle Valo CHAN2G(4, 2427, 0), 91bdcd8170SKalle Valo CHAN2G(5, 2432, 0), 92bdcd8170SKalle Valo CHAN2G(6, 2437, 0), 93bdcd8170SKalle Valo CHAN2G(7, 2442, 0), 94bdcd8170SKalle Valo CHAN2G(8, 2447, 0), 95bdcd8170SKalle Valo CHAN2G(9, 2452, 0), 96bdcd8170SKalle Valo CHAN2G(10, 2457, 0), 97bdcd8170SKalle Valo CHAN2G(11, 2462, 0), 98bdcd8170SKalle Valo CHAN2G(12, 2467, 0), 99bdcd8170SKalle Valo CHAN2G(13, 2472, 0), 100bdcd8170SKalle Valo CHAN2G(14, 2484, 0), 101bdcd8170SKalle Valo }; 102bdcd8170SKalle Valo 103bdcd8170SKalle Valo static struct ieee80211_channel ath6kl_5ghz_a_channels[] = { 104bdcd8170SKalle Valo CHAN5G(34, 0), CHAN5G(36, 0), 105bdcd8170SKalle Valo CHAN5G(38, 0), CHAN5G(40, 0), 106bdcd8170SKalle Valo CHAN5G(42, 0), CHAN5G(44, 0), 107bdcd8170SKalle Valo CHAN5G(46, 0), CHAN5G(48, 0), 108bdcd8170SKalle Valo CHAN5G(52, 0), CHAN5G(56, 0), 109bdcd8170SKalle Valo CHAN5G(60, 0), CHAN5G(64, 0), 110bdcd8170SKalle Valo CHAN5G(100, 0), CHAN5G(104, 0), 111bdcd8170SKalle Valo CHAN5G(108, 0), CHAN5G(112, 0), 112bdcd8170SKalle Valo CHAN5G(116, 0), CHAN5G(120, 0), 113bdcd8170SKalle Valo CHAN5G(124, 0), CHAN5G(128, 0), 114bdcd8170SKalle Valo CHAN5G(132, 0), CHAN5G(136, 0), 115bdcd8170SKalle Valo CHAN5G(140, 0), CHAN5G(149, 0), 116bdcd8170SKalle Valo CHAN5G(153, 0), CHAN5G(157, 0), 117bdcd8170SKalle Valo CHAN5G(161, 0), CHAN5G(165, 0), 118bdcd8170SKalle Valo CHAN5G(184, 0), CHAN5G(188, 0), 119bdcd8170SKalle Valo CHAN5G(192, 0), CHAN5G(196, 0), 120bdcd8170SKalle Valo CHAN5G(200, 0), CHAN5G(204, 0), 121bdcd8170SKalle Valo CHAN5G(208, 0), CHAN5G(212, 0), 122bdcd8170SKalle Valo CHAN5G(216, 0), 123bdcd8170SKalle Valo }; 124bdcd8170SKalle Valo 125bdcd8170SKalle Valo static struct ieee80211_supported_band ath6kl_band_2ghz = { 126bdcd8170SKalle Valo .n_channels = ARRAY_SIZE(ath6kl_2ghz_channels), 127bdcd8170SKalle Valo .channels = ath6kl_2ghz_channels, 128bdcd8170SKalle Valo .n_bitrates = ath6kl_g_rates_size, 129bdcd8170SKalle Valo .bitrates = ath6kl_g_rates, 130faaf1929SVasanthakumar Thiagarajan .ht_cap.cap = ath6kl_g_htcap, 131faaf1929SVasanthakumar Thiagarajan .ht_cap.ht_supported = true, 132bdcd8170SKalle Valo }; 133bdcd8170SKalle Valo 134bdcd8170SKalle Valo static struct ieee80211_supported_band ath6kl_band_5ghz = { 135bdcd8170SKalle Valo .n_channels = ARRAY_SIZE(ath6kl_5ghz_a_channels), 136bdcd8170SKalle Valo .channels = ath6kl_5ghz_a_channels, 137bdcd8170SKalle Valo .n_bitrates = ath6kl_a_rates_size, 138bdcd8170SKalle Valo .bitrates = ath6kl_a_rates, 139bed56e31SVasanthakumar Thiagarajan .ht_cap.cap = ath6kl_a_htcap, 140faaf1929SVasanthakumar Thiagarajan .ht_cap.ht_supported = true, 141bdcd8170SKalle Valo }; 142bdcd8170SKalle Valo 143837cb97eSJouni Malinen #define CCKM_KRK_CIPHER_SUITE 0x004096ff /* use for KRK */ 144837cb97eSJouni Malinen 14510509f90SKalle Valo /* returns true if scheduled scan was stopped */ 14610509f90SKalle Valo static bool __ath6kl_cfg80211_sscan_stop(struct ath6kl_vif *vif) 14710509f90SKalle Valo { 14810509f90SKalle Valo struct ath6kl *ar = vif->ar; 14910509f90SKalle Valo 150b1f47e3aSThomas Pedersen if (!test_and_clear_bit(SCHED_SCANNING, &vif->flags)) 15110509f90SKalle Valo return false; 15210509f90SKalle Valo 15310509f90SKalle Valo del_timer_sync(&vif->sched_scan_timer); 15410509f90SKalle Valo 15558109df6SVasanthakumar Thiagarajan if (ar->state == ATH6KL_STATE_RECOVERY) 15658109df6SVasanthakumar Thiagarajan return true; 15710509f90SKalle Valo 158b1f47e3aSThomas Pedersen ath6kl_wmi_enable_sched_scan_cmd(ar->wmi, vif->fw_vif_idx, false); 15910509f90SKalle Valo 16010509f90SKalle Valo return true; 16110509f90SKalle Valo } 16210509f90SKalle Valo 16310509f90SKalle Valo static void ath6kl_cfg80211_sscan_disable(struct ath6kl_vif *vif) 16410509f90SKalle Valo { 16510509f90SKalle Valo struct ath6kl *ar = vif->ar; 16610509f90SKalle Valo bool stopped; 16710509f90SKalle Valo 16810509f90SKalle Valo stopped = __ath6kl_cfg80211_sscan_stop(vif); 16910509f90SKalle Valo 17010509f90SKalle Valo if (!stopped) 17110509f90SKalle Valo return; 17210509f90SKalle Valo 17310509f90SKalle Valo cfg80211_sched_scan_stopped(ar->wiphy); 17410509f90SKalle Valo } 17510509f90SKalle Valo 176240d2799SVasanthakumar Thiagarajan static int ath6kl_set_wpa_version(struct ath6kl_vif *vif, 177bdcd8170SKalle Valo enum nl80211_wpa_versions wpa_version) 178bdcd8170SKalle Valo { 179bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: %u\n", __func__, wpa_version); 180bdcd8170SKalle Valo 181bdcd8170SKalle Valo if (!wpa_version) { 1823450334fSVasanthakumar Thiagarajan vif->auth_mode = NONE_AUTH; 183bdcd8170SKalle Valo } else if (wpa_version & NL80211_WPA_VERSION_2) { 1843450334fSVasanthakumar Thiagarajan vif->auth_mode = WPA2_AUTH; 185bdcd8170SKalle Valo } else if (wpa_version & NL80211_WPA_VERSION_1) { 1863450334fSVasanthakumar Thiagarajan vif->auth_mode = WPA_AUTH; 187bdcd8170SKalle Valo } else { 188bdcd8170SKalle Valo ath6kl_err("%s: %u not supported\n", __func__, wpa_version); 189bdcd8170SKalle Valo return -ENOTSUPP; 190bdcd8170SKalle Valo } 191bdcd8170SKalle Valo 192bdcd8170SKalle Valo return 0; 193bdcd8170SKalle Valo } 194bdcd8170SKalle Valo 195240d2799SVasanthakumar Thiagarajan static int ath6kl_set_auth_type(struct ath6kl_vif *vif, 196bdcd8170SKalle Valo enum nl80211_auth_type auth_type) 197bdcd8170SKalle Valo { 198bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: 0x%x\n", __func__, auth_type); 199bdcd8170SKalle Valo 200bdcd8170SKalle Valo switch (auth_type) { 201bdcd8170SKalle Valo case NL80211_AUTHTYPE_OPEN_SYSTEM: 2023450334fSVasanthakumar Thiagarajan vif->dot11_auth_mode = OPEN_AUTH; 203bdcd8170SKalle Valo break; 204bdcd8170SKalle Valo case NL80211_AUTHTYPE_SHARED_KEY: 2053450334fSVasanthakumar Thiagarajan vif->dot11_auth_mode = SHARED_AUTH; 206bdcd8170SKalle Valo break; 207bdcd8170SKalle Valo case NL80211_AUTHTYPE_NETWORK_EAP: 2083450334fSVasanthakumar Thiagarajan vif->dot11_auth_mode = LEAP_AUTH; 209bdcd8170SKalle Valo break; 210bdcd8170SKalle Valo 211bdcd8170SKalle Valo case NL80211_AUTHTYPE_AUTOMATIC: 2123450334fSVasanthakumar Thiagarajan vif->dot11_auth_mode = OPEN_AUTH | SHARED_AUTH; 213bdcd8170SKalle Valo break; 214bdcd8170SKalle Valo 215bdcd8170SKalle Valo default: 2163c325fbdSMasanari Iida ath6kl_err("%s: 0x%x not supported\n", __func__, auth_type); 217bdcd8170SKalle Valo return -ENOTSUPP; 218bdcd8170SKalle Valo } 219bdcd8170SKalle Valo 220bdcd8170SKalle Valo return 0; 221bdcd8170SKalle Valo } 222bdcd8170SKalle Valo 223240d2799SVasanthakumar Thiagarajan static int ath6kl_set_cipher(struct ath6kl_vif *vif, u32 cipher, bool ucast) 224bdcd8170SKalle Valo { 2253450334fSVasanthakumar Thiagarajan u8 *ar_cipher = ucast ? &vif->prwise_crypto : &vif->grp_crypto; 2263450334fSVasanthakumar Thiagarajan u8 *ar_cipher_len = ucast ? &vif->prwise_crypto_len : 2273450334fSVasanthakumar Thiagarajan &vif->grp_crypto_len; 228bdcd8170SKalle Valo 229bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: cipher 0x%x, ucast %u\n", 230bdcd8170SKalle Valo __func__, cipher, ucast); 231bdcd8170SKalle Valo 232bdcd8170SKalle Valo switch (cipher) { 233bdcd8170SKalle Valo case 0: 234bdcd8170SKalle Valo /* our own hack to use value 0 as no crypto used */ 235bdcd8170SKalle Valo *ar_cipher = NONE_CRYPT; 236bdcd8170SKalle Valo *ar_cipher_len = 0; 237bdcd8170SKalle Valo break; 238bdcd8170SKalle Valo case WLAN_CIPHER_SUITE_WEP40: 239bdcd8170SKalle Valo *ar_cipher = WEP_CRYPT; 240bdcd8170SKalle Valo *ar_cipher_len = 5; 241bdcd8170SKalle Valo break; 242bdcd8170SKalle Valo case WLAN_CIPHER_SUITE_WEP104: 243bdcd8170SKalle Valo *ar_cipher = WEP_CRYPT; 244bdcd8170SKalle Valo *ar_cipher_len = 13; 245bdcd8170SKalle Valo break; 246bdcd8170SKalle Valo case WLAN_CIPHER_SUITE_TKIP: 247bdcd8170SKalle Valo *ar_cipher = TKIP_CRYPT; 248bdcd8170SKalle Valo *ar_cipher_len = 0; 249bdcd8170SKalle Valo break; 250bdcd8170SKalle Valo case WLAN_CIPHER_SUITE_CCMP: 251bdcd8170SKalle Valo *ar_cipher = AES_CRYPT; 252bdcd8170SKalle Valo *ar_cipher_len = 0; 253bdcd8170SKalle Valo break; 2545e07021eSDai Shuibing case WLAN_CIPHER_SUITE_SMS4: 2555e07021eSDai Shuibing *ar_cipher = WAPI_CRYPT; 2565e07021eSDai Shuibing *ar_cipher_len = 0; 2575e07021eSDai Shuibing break; 258bdcd8170SKalle Valo default: 259bdcd8170SKalle Valo ath6kl_err("cipher 0x%x not supported\n", cipher); 260bdcd8170SKalle Valo return -ENOTSUPP; 261bdcd8170SKalle Valo } 262bdcd8170SKalle Valo 263bdcd8170SKalle Valo return 0; 264bdcd8170SKalle Valo } 265bdcd8170SKalle Valo 266240d2799SVasanthakumar Thiagarajan static void ath6kl_set_key_mgmt(struct ath6kl_vif *vif, u32 key_mgmt) 267bdcd8170SKalle Valo { 268bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: 0x%x\n", __func__, key_mgmt); 269bdcd8170SKalle Valo 270bdcd8170SKalle Valo if (key_mgmt == WLAN_AKM_SUITE_PSK) { 2713450334fSVasanthakumar Thiagarajan if (vif->auth_mode == WPA_AUTH) 2723450334fSVasanthakumar Thiagarajan vif->auth_mode = WPA_PSK_AUTH; 2733450334fSVasanthakumar Thiagarajan else if (vif->auth_mode == WPA2_AUTH) 2743450334fSVasanthakumar Thiagarajan vif->auth_mode = WPA2_PSK_AUTH; 275837cb97eSJouni Malinen } else if (key_mgmt == 0x00409600) { 2763450334fSVasanthakumar Thiagarajan if (vif->auth_mode == WPA_AUTH) 2773450334fSVasanthakumar Thiagarajan vif->auth_mode = WPA_AUTH_CCKM; 2783450334fSVasanthakumar Thiagarajan else if (vif->auth_mode == WPA2_AUTH) 2793450334fSVasanthakumar Thiagarajan vif->auth_mode = WPA2_AUTH_CCKM; 280bdcd8170SKalle Valo } else if (key_mgmt != WLAN_AKM_SUITE_8021X) { 2813450334fSVasanthakumar Thiagarajan vif->auth_mode = NONE_AUTH; 282bdcd8170SKalle Valo } 283bdcd8170SKalle Valo } 284bdcd8170SKalle Valo 285990bd915SVasanthakumar Thiagarajan static bool ath6kl_cfg80211_ready(struct ath6kl_vif *vif) 286bdcd8170SKalle Valo { 287990bd915SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 28859c98449SVasanthakumar Thiagarajan 289bdcd8170SKalle Valo if (!test_bit(WMI_READY, &ar->flag)) { 290bdcd8170SKalle Valo ath6kl_err("wmi is not ready\n"); 291bdcd8170SKalle Valo return false; 292bdcd8170SKalle Valo } 293bdcd8170SKalle Valo 29459c98449SVasanthakumar Thiagarajan if (!test_bit(WLAN_ENABLED, &vif->flags)) { 295bdcd8170SKalle Valo ath6kl_err("wlan disabled\n"); 296bdcd8170SKalle Valo return false; 297bdcd8170SKalle Valo } 298bdcd8170SKalle Valo 299bdcd8170SKalle Valo return true; 300bdcd8170SKalle Valo } 301bdcd8170SKalle Valo 3026981ffdcSKevin Fang static bool ath6kl_is_wpa_ie(const u8 *pos) 3036981ffdcSKevin Fang { 30404b2312aSArend van Spriel return pos[0] == WLAN_EID_VENDOR_SPECIFIC && pos[1] >= 4 && 3056981ffdcSKevin Fang pos[2] == 0x00 && pos[3] == 0x50 && 3066981ffdcSKevin Fang pos[4] == 0xf2 && pos[5] == 0x01; 3076981ffdcSKevin Fang } 3086981ffdcSKevin Fang 3096981ffdcSKevin Fang static bool ath6kl_is_rsn_ie(const u8 *pos) 3106981ffdcSKevin Fang { 3116981ffdcSKevin Fang return pos[0] == WLAN_EID_RSN; 3126981ffdcSKevin Fang } 3136981ffdcSKevin Fang 31463541212SAarthi Thiruvengadam static bool ath6kl_is_wps_ie(const u8 *pos) 31563541212SAarthi Thiruvengadam { 31663541212SAarthi Thiruvengadam return (pos[0] == WLAN_EID_VENDOR_SPECIFIC && 31763541212SAarthi Thiruvengadam pos[1] >= 4 && 31863541212SAarthi Thiruvengadam pos[2] == 0x00 && pos[3] == 0x50 && pos[4] == 0xf2 && 31963541212SAarthi Thiruvengadam pos[5] == 0x04); 32063541212SAarthi Thiruvengadam } 32163541212SAarthi Thiruvengadam 322334234b5SVasanthakumar Thiagarajan static int ath6kl_set_assoc_req_ies(struct ath6kl_vif *vif, const u8 *ies, 3236981ffdcSKevin Fang size_t ies_len) 3246981ffdcSKevin Fang { 325334234b5SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 3266981ffdcSKevin Fang const u8 *pos; 3276981ffdcSKevin Fang u8 *buf = NULL; 3286981ffdcSKevin Fang size_t len = 0; 3296981ffdcSKevin Fang int ret; 3306981ffdcSKevin Fang 3316981ffdcSKevin Fang /* 33263541212SAarthi Thiruvengadam * Clear previously set flag 33363541212SAarthi Thiruvengadam */ 33463541212SAarthi Thiruvengadam 33563541212SAarthi Thiruvengadam ar->connect_ctrl_flags &= ~CONNECT_WPS_FLAG; 33663541212SAarthi Thiruvengadam 33763541212SAarthi Thiruvengadam /* 3386981ffdcSKevin Fang * Filter out RSN/WPA IE(s) 3396981ffdcSKevin Fang */ 3406981ffdcSKevin Fang 3416981ffdcSKevin Fang if (ies && ies_len) { 3426981ffdcSKevin Fang buf = kmalloc(ies_len, GFP_KERNEL); 3436981ffdcSKevin Fang if (buf == NULL) 3446981ffdcSKevin Fang return -ENOMEM; 3456981ffdcSKevin Fang pos = ies; 3466981ffdcSKevin Fang 3476981ffdcSKevin Fang while (pos + 1 < ies + ies_len) { 3486981ffdcSKevin Fang if (pos + 2 + pos[1] > ies + ies_len) 3496981ffdcSKevin Fang break; 3506981ffdcSKevin Fang if (!(ath6kl_is_wpa_ie(pos) || ath6kl_is_rsn_ie(pos))) { 3516981ffdcSKevin Fang memcpy(buf + len, pos, 2 + pos[1]); 3526981ffdcSKevin Fang len += 2 + pos[1]; 3536981ffdcSKevin Fang } 35463541212SAarthi Thiruvengadam 35563541212SAarthi Thiruvengadam if (ath6kl_is_wps_ie(pos)) 35663541212SAarthi Thiruvengadam ar->connect_ctrl_flags |= CONNECT_WPS_FLAG; 35763541212SAarthi Thiruvengadam 3586981ffdcSKevin Fang pos += 2 + pos[1]; 3596981ffdcSKevin Fang } 3606981ffdcSKevin Fang } 3616981ffdcSKevin Fang 362334234b5SVasanthakumar Thiagarajan ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, 363334234b5SVasanthakumar Thiagarajan WMI_FRAME_ASSOC_REQ, buf, len); 3646981ffdcSKevin Fang kfree(buf); 3656981ffdcSKevin Fang return ret; 3666981ffdcSKevin Fang } 3676981ffdcSKevin Fang 36855055976SVasanthakumar Thiagarajan static int ath6kl_nliftype_to_drv_iftype(enum nl80211_iftype type, u8 *nw_type) 36955055976SVasanthakumar Thiagarajan { 37055055976SVasanthakumar Thiagarajan switch (type) { 37155055976SVasanthakumar Thiagarajan case NL80211_IFTYPE_STATION: 37238142644SMohammed Shafi Shajakhan case NL80211_IFTYPE_P2P_CLIENT: 37355055976SVasanthakumar Thiagarajan *nw_type = INFRA_NETWORK; 37455055976SVasanthakumar Thiagarajan break; 37555055976SVasanthakumar Thiagarajan case NL80211_IFTYPE_ADHOC: 37655055976SVasanthakumar Thiagarajan *nw_type = ADHOC_NETWORK; 37755055976SVasanthakumar Thiagarajan break; 37855055976SVasanthakumar Thiagarajan case NL80211_IFTYPE_AP: 37955055976SVasanthakumar Thiagarajan case NL80211_IFTYPE_P2P_GO: 38055055976SVasanthakumar Thiagarajan *nw_type = AP_NETWORK; 38155055976SVasanthakumar Thiagarajan break; 38255055976SVasanthakumar Thiagarajan default: 38355055976SVasanthakumar Thiagarajan ath6kl_err("invalid interface type %u\n", type); 38455055976SVasanthakumar Thiagarajan return -ENOTSUPP; 38555055976SVasanthakumar Thiagarajan } 38655055976SVasanthakumar Thiagarajan 38755055976SVasanthakumar Thiagarajan return 0; 38855055976SVasanthakumar Thiagarajan } 38955055976SVasanthakumar Thiagarajan 39055055976SVasanthakumar Thiagarajan static bool ath6kl_is_valid_iftype(struct ath6kl *ar, enum nl80211_iftype type, 39155055976SVasanthakumar Thiagarajan u8 *if_idx, u8 *nw_type) 39255055976SVasanthakumar Thiagarajan { 39355055976SVasanthakumar Thiagarajan int i; 39455055976SVasanthakumar Thiagarajan 39555055976SVasanthakumar Thiagarajan if (ath6kl_nliftype_to_drv_iftype(type, nw_type)) 39655055976SVasanthakumar Thiagarajan return false; 39755055976SVasanthakumar Thiagarajan 39855055976SVasanthakumar Thiagarajan if (ar->ibss_if_active || ((type == NL80211_IFTYPE_ADHOC) && 39955055976SVasanthakumar Thiagarajan ar->num_vif)) 40055055976SVasanthakumar Thiagarajan return false; 40155055976SVasanthakumar Thiagarajan 40255055976SVasanthakumar Thiagarajan if (type == NL80211_IFTYPE_STATION || 40355055976SVasanthakumar Thiagarajan type == NL80211_IFTYPE_AP || type == NL80211_IFTYPE_ADHOC) { 40471f96ee6SKalle Valo for (i = 0; i < ar->vif_max; i++) { 4050db96de6SMohammed Shafi Shajakhan if ((ar->avail_idx_map) & BIT(i)) { 40655055976SVasanthakumar Thiagarajan *if_idx = i; 40755055976SVasanthakumar Thiagarajan return true; 40855055976SVasanthakumar Thiagarajan } 40955055976SVasanthakumar Thiagarajan } 41055055976SVasanthakumar Thiagarajan } 41155055976SVasanthakumar Thiagarajan 4123226f68aSVasanthakumar Thiagarajan if (type == NL80211_IFTYPE_P2P_CLIENT || 4133226f68aSVasanthakumar Thiagarajan type == NL80211_IFTYPE_P2P_GO) { 41471f96ee6SKalle Valo for (i = ar->max_norm_iface; i < ar->vif_max; i++) { 4150db96de6SMohammed Shafi Shajakhan if ((ar->avail_idx_map) & BIT(i)) { 4163226f68aSVasanthakumar Thiagarajan *if_idx = i; 4173226f68aSVasanthakumar Thiagarajan return true; 4183226f68aSVasanthakumar Thiagarajan } 4193226f68aSVasanthakumar Thiagarajan } 4203226f68aSVasanthakumar Thiagarajan } 4213226f68aSVasanthakumar Thiagarajan 42255055976SVasanthakumar Thiagarajan return false; 42355055976SVasanthakumar Thiagarajan } 42455055976SVasanthakumar Thiagarajan 4258c9bb054SKalle Valo static bool ath6kl_is_tx_pending(struct ath6kl *ar) 4268c9bb054SKalle Valo { 4278c9bb054SKalle Valo return ar->tx_pending[ath6kl_wmi_get_control_ep(ar->wmi)] == 0; 4288c9bb054SKalle Valo } 4298c9bb054SKalle Valo 430355b3a98SMohammed Shafi Shajakhan static void ath6kl_cfg80211_sta_bmiss_enhance(struct ath6kl_vif *vif, 431355b3a98SMohammed Shafi Shajakhan bool enable) 432355b3a98SMohammed Shafi Shajakhan { 433355b3a98SMohammed Shafi Shajakhan int err; 434355b3a98SMohammed Shafi Shajakhan 435355b3a98SMohammed Shafi Shajakhan if (WARN_ON(!test_bit(WMI_READY, &vif->ar->flag))) 436355b3a98SMohammed Shafi Shajakhan return; 437355b3a98SMohammed Shafi Shajakhan 438355b3a98SMohammed Shafi Shajakhan if (vif->nw_type != INFRA_NETWORK) 439355b3a98SMohammed Shafi Shajakhan return; 440355b3a98SMohammed Shafi Shajakhan 441355b3a98SMohammed Shafi Shajakhan if (!test_bit(ATH6KL_FW_CAPABILITY_BMISS_ENHANCE, 442355b3a98SMohammed Shafi Shajakhan vif->ar->fw_capabilities)) 443355b3a98SMohammed Shafi Shajakhan return; 444355b3a98SMohammed Shafi Shajakhan 445355b3a98SMohammed Shafi Shajakhan ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s fw bmiss enhance\n", 446355b3a98SMohammed Shafi Shajakhan enable ? "enable" : "disable"); 447355b3a98SMohammed Shafi Shajakhan 448355b3a98SMohammed Shafi Shajakhan err = ath6kl_wmi_sta_bmiss_enhance_cmd(vif->ar->wmi, 449355b3a98SMohammed Shafi Shajakhan vif->fw_vif_idx, enable); 450355b3a98SMohammed Shafi Shajakhan if (err) 451355b3a98SMohammed Shafi Shajakhan ath6kl_err("failed to %s enhanced bmiss detection: %d\n", 452355b3a98SMohammed Shafi Shajakhan enable ? "enable" : "disable", err); 453355b3a98SMohammed Shafi Shajakhan } 4548c9bb054SKalle Valo 455bdcd8170SKalle Valo static int ath6kl_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev, 456bdcd8170SKalle Valo struct cfg80211_connect_params *sme) 457bdcd8170SKalle Valo { 458bdcd8170SKalle Valo struct ath6kl *ar = ath6kl_priv(dev); 45959c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 460bdcd8170SKalle Valo int status; 4613ca9d1fcSAarthi Thiruvengadam u8 nw_subtype = (ar->p2p) ? SUBTYPE_P2PDEV : SUBTYPE_NONE; 462ce0dc0cfSRaja Mani u16 interval; 463bdcd8170SKalle Valo 46410509f90SKalle Valo ath6kl_cfg80211_sscan_disable(vif); 46510509f90SKalle Valo 46614ee6f6bSVasanthakumar Thiagarajan vif->sme_state = SME_CONNECTING; 467bdcd8170SKalle Valo 468990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 469bdcd8170SKalle Valo return -EIO; 470bdcd8170SKalle Valo 471bdcd8170SKalle Valo if (test_bit(DESTROY_IN_PROGRESS, &ar->flag)) { 472bdcd8170SKalle Valo ath6kl_err("destroy in progress\n"); 473bdcd8170SKalle Valo return -EBUSY; 474bdcd8170SKalle Valo } 475bdcd8170SKalle Valo 476bdcd8170SKalle Valo if (test_bit(SKIP_SCAN, &ar->flag) && 477bdcd8170SKalle Valo ((sme->channel && sme->channel->center_freq == 0) || 478bdcd8170SKalle Valo (sme->bssid && is_zero_ether_addr(sme->bssid)))) { 479bdcd8170SKalle Valo ath6kl_err("SkipScan: channel or bssid invalid\n"); 480bdcd8170SKalle Valo return -EINVAL; 481bdcd8170SKalle Valo } 482bdcd8170SKalle Valo 483bdcd8170SKalle Valo if (down_interruptible(&ar->sem)) { 484bdcd8170SKalle Valo ath6kl_err("busy, couldn't get access\n"); 485bdcd8170SKalle Valo return -ERESTARTSYS; 486bdcd8170SKalle Valo } 487bdcd8170SKalle Valo 488bdcd8170SKalle Valo if (test_bit(DESTROY_IN_PROGRESS, &ar->flag)) { 489bdcd8170SKalle Valo ath6kl_err("busy, destroy in progress\n"); 490bdcd8170SKalle Valo up(&ar->sem); 491bdcd8170SKalle Valo return -EBUSY; 492bdcd8170SKalle Valo } 493bdcd8170SKalle Valo 494bdcd8170SKalle Valo if (ar->tx_pending[ath6kl_wmi_get_control_ep(ar->wmi)]) { 495bdcd8170SKalle Valo /* 496bdcd8170SKalle Valo * sleep until the command queue drains 497bdcd8170SKalle Valo */ 498bdcd8170SKalle Valo wait_event_interruptible_timeout(ar->event_wq, 4998c9bb054SKalle Valo ath6kl_is_tx_pending(ar), 500bdcd8170SKalle Valo WMI_TIMEOUT); 501bdcd8170SKalle Valo if (signal_pending(current)) { 502bdcd8170SKalle Valo ath6kl_err("cmd queue drain timeout\n"); 503bdcd8170SKalle Valo up(&ar->sem); 504bdcd8170SKalle Valo return -EINTR; 505bdcd8170SKalle Valo } 506bdcd8170SKalle Valo } 507bdcd8170SKalle Valo 508334234b5SVasanthakumar Thiagarajan status = ath6kl_set_assoc_req_ies(vif, sme->ie, sme->ie_len); 509743b4518SDan Carpenter if (status) { 510743b4518SDan Carpenter up(&ar->sem); 5116981ffdcSKevin Fang return status; 512743b4518SDan Carpenter } 5136e786cb1SJouni Malinen 5146e786cb1SJouni Malinen if (sme->ie == NULL || sme->ie_len == 0) 515542c519aSRaja Mani ar->connect_ctrl_flags &= ~CONNECT_WPS_FLAG; 5166981ffdcSKevin Fang 51759c98449SVasanthakumar Thiagarajan if (test_bit(CONNECTED, &vif->flags) && 5183450334fSVasanthakumar Thiagarajan vif->ssid_len == sme->ssid_len && 5193450334fSVasanthakumar Thiagarajan !memcmp(vif->ssid, sme->ssid, vif->ssid_len)) { 520cf5333d7SVasanthakumar Thiagarajan vif->reconnect_flag = true; 521334234b5SVasanthakumar Thiagarajan status = ath6kl_wmi_reconnect_cmd(ar->wmi, vif->fw_vif_idx, 522334234b5SVasanthakumar Thiagarajan vif->req_bssid, 523f74bac54SVasanthakumar Thiagarajan vif->ch_hint); 524bdcd8170SKalle Valo 525bdcd8170SKalle Valo up(&ar->sem); 526bdcd8170SKalle Valo if (status) { 527bdcd8170SKalle Valo ath6kl_err("wmi_reconnect_cmd failed\n"); 528bdcd8170SKalle Valo return -EIO; 529bdcd8170SKalle Valo } 530bdcd8170SKalle Valo return 0; 5313450334fSVasanthakumar Thiagarajan } else if (vif->ssid_len == sme->ssid_len && 5323450334fSVasanthakumar Thiagarajan !memcmp(vif->ssid, sme->ssid, vif->ssid_len)) { 533240d2799SVasanthakumar Thiagarajan ath6kl_disconnect(vif); 534bdcd8170SKalle Valo } 535bdcd8170SKalle Valo 5363450334fSVasanthakumar Thiagarajan memset(vif->ssid, 0, sizeof(vif->ssid)); 5373450334fSVasanthakumar Thiagarajan vif->ssid_len = sme->ssid_len; 5383450334fSVasanthakumar Thiagarajan memcpy(vif->ssid, sme->ssid, sme->ssid_len); 539bdcd8170SKalle Valo 540bdcd8170SKalle Valo if (sme->channel) 541f74bac54SVasanthakumar Thiagarajan vif->ch_hint = sme->channel->center_freq; 542bdcd8170SKalle Valo 5438c8b65e3SVasanthakumar Thiagarajan memset(vif->req_bssid, 0, sizeof(vif->req_bssid)); 544bdcd8170SKalle Valo if (sme->bssid && !is_broadcast_ether_addr(sme->bssid)) 5458c8b65e3SVasanthakumar Thiagarajan memcpy(vif->req_bssid, sme->bssid, sizeof(vif->req_bssid)); 546bdcd8170SKalle Valo 547240d2799SVasanthakumar Thiagarajan ath6kl_set_wpa_version(vif, sme->crypto.wpa_versions); 548bdcd8170SKalle Valo 549240d2799SVasanthakumar Thiagarajan status = ath6kl_set_auth_type(vif, sme->auth_type); 550bdcd8170SKalle Valo if (status) { 551bdcd8170SKalle Valo up(&ar->sem); 552bdcd8170SKalle Valo return status; 553bdcd8170SKalle Valo } 554bdcd8170SKalle Valo 555bdcd8170SKalle Valo if (sme->crypto.n_ciphers_pairwise) 556240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, sme->crypto.ciphers_pairwise[0], true); 557bdcd8170SKalle Valo else 558240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, 0, true); 559bdcd8170SKalle Valo 560240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, sme->crypto.cipher_group, false); 561bdcd8170SKalle Valo 562bdcd8170SKalle Valo if (sme->crypto.n_akm_suites) 563240d2799SVasanthakumar Thiagarajan ath6kl_set_key_mgmt(vif, sme->crypto.akm_suites[0]); 564bdcd8170SKalle Valo 565bdcd8170SKalle Valo if ((sme->key_len) && 5663450334fSVasanthakumar Thiagarajan (vif->auth_mode == NONE_AUTH) && 5673450334fSVasanthakumar Thiagarajan (vif->prwise_crypto == WEP_CRYPT)) { 568bdcd8170SKalle Valo struct ath6kl_key *key = NULL; 569bdcd8170SKalle Valo 570792ecb33SVivek Natarajan if (sme->key_idx > WMI_MAX_KEY_INDEX) { 571bdcd8170SKalle Valo ath6kl_err("key index %d out of bounds\n", 572bdcd8170SKalle Valo sme->key_idx); 573bdcd8170SKalle Valo up(&ar->sem); 574bdcd8170SKalle Valo return -ENOENT; 575bdcd8170SKalle Valo } 576bdcd8170SKalle Valo 5776f2a73f9SVasanthakumar Thiagarajan key = &vif->keys[sme->key_idx]; 578bdcd8170SKalle Valo key->key_len = sme->key_len; 579bdcd8170SKalle Valo memcpy(key->key, sme->key, key->key_len); 5803450334fSVasanthakumar Thiagarajan key->cipher = vif->prwise_crypto; 5813450334fSVasanthakumar Thiagarajan vif->def_txkey_index = sme->key_idx; 582bdcd8170SKalle Valo 583334234b5SVasanthakumar Thiagarajan ath6kl_wmi_addkey_cmd(ar->wmi, vif->fw_vif_idx, sme->key_idx, 5843450334fSVasanthakumar Thiagarajan vif->prwise_crypto, 585bdcd8170SKalle Valo GROUP_USAGE | TX_USAGE, 586bdcd8170SKalle Valo key->key_len, 587f4bb9a6fSJouni Malinen NULL, 0, 588bdcd8170SKalle Valo key->key, KEY_OP_INIT_VAL, NULL, 589bdcd8170SKalle Valo NO_SYNC_WMIFLAG); 590bdcd8170SKalle Valo } 591bdcd8170SKalle Valo 592bdcd8170SKalle Valo if (!ar->usr_bss_filter) { 59359c98449SVasanthakumar Thiagarajan clear_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags); 594240d2799SVasanthakumar Thiagarajan if (ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx, 595240d2799SVasanthakumar Thiagarajan ALL_BSS_FILTER, 0) != 0) { 596bdcd8170SKalle Valo ath6kl_err("couldn't set bss filtering\n"); 597bdcd8170SKalle Valo up(&ar->sem); 598bdcd8170SKalle Valo return -EIO; 599bdcd8170SKalle Valo } 600bdcd8170SKalle Valo } 601bdcd8170SKalle Valo 602f5938f24SVasanthakumar Thiagarajan vif->nw_type = vif->next_mode; 603bdcd8170SKalle Valo 604c422d52dSThomas Pedersen /* enable enhanced bmiss detection if applicable */ 605c422d52dSThomas Pedersen ath6kl_cfg80211_sta_bmiss_enhance(vif, true); 606c422d52dSThomas Pedersen 6073ca9d1fcSAarthi Thiruvengadam if (vif->wdev.iftype == NL80211_IFTYPE_P2P_CLIENT) 6083ca9d1fcSAarthi Thiruvengadam nw_subtype = SUBTYPE_P2PCLIENT; 6093ca9d1fcSAarthi Thiruvengadam 610bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 611bdcd8170SKalle Valo "%s: connect called with authmode %d dot11 auth %d" 612bdcd8170SKalle Valo " PW crypto %d PW crypto len %d GRP crypto %d" 613bdcd8170SKalle Valo " GRP crypto len %d channel hint %u\n", 614bdcd8170SKalle Valo __func__, 6153450334fSVasanthakumar Thiagarajan vif->auth_mode, vif->dot11_auth_mode, vif->prwise_crypto, 6163450334fSVasanthakumar Thiagarajan vif->prwise_crypto_len, vif->grp_crypto, 617f74bac54SVasanthakumar Thiagarajan vif->grp_crypto_len, vif->ch_hint); 618bdcd8170SKalle Valo 619cf5333d7SVasanthakumar Thiagarajan vif->reconnect_flag = 0; 620ce0dc0cfSRaja Mani 621ce0dc0cfSRaja Mani if (vif->nw_type == INFRA_NETWORK) { 622b5283871SKalle Valo interval = max_t(u16, vif->listen_intvl_t, 623b5283871SKalle Valo ATH6KL_MAX_WOW_LISTEN_INTL); 624ce0dc0cfSRaja Mani status = ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx, 625ce0dc0cfSRaja Mani interval, 626ce0dc0cfSRaja Mani 0); 627ce0dc0cfSRaja Mani if (status) { 628ce0dc0cfSRaja Mani ath6kl_err("couldn't set listen intervel\n"); 629ce0dc0cfSRaja Mani up(&ar->sem); 630ce0dc0cfSRaja Mani return status; 631ce0dc0cfSRaja Mani } 632ce0dc0cfSRaja Mani } 633ce0dc0cfSRaja Mani 634334234b5SVasanthakumar Thiagarajan status = ath6kl_wmi_connect_cmd(ar->wmi, vif->fw_vif_idx, vif->nw_type, 6353450334fSVasanthakumar Thiagarajan vif->dot11_auth_mode, vif->auth_mode, 6363450334fSVasanthakumar Thiagarajan vif->prwise_crypto, 6373450334fSVasanthakumar Thiagarajan vif->prwise_crypto_len, 6383450334fSVasanthakumar Thiagarajan vif->grp_crypto, vif->grp_crypto_len, 6393450334fSVasanthakumar Thiagarajan vif->ssid_len, vif->ssid, 640f74bac54SVasanthakumar Thiagarajan vif->req_bssid, vif->ch_hint, 6413ca9d1fcSAarthi Thiruvengadam ar->connect_ctrl_flags, nw_subtype); 642bdcd8170SKalle Valo 6436f7c1adbSMohammed Shafi Shajakhan if (sme->bg_scan_period == 0) { 644f599359cSBala Shanmugam /* disable background scan if period is 0 */ 645f599359cSBala Shanmugam sme->bg_scan_period = 0xffff; 6466f7c1adbSMohammed Shafi Shajakhan } else if (sme->bg_scan_period == -1) { 647f599359cSBala Shanmugam /* configure default value if not specified */ 648f599359cSBala Shanmugam sme->bg_scan_period = DEFAULT_BG_SCAN_PERIOD; 6496f7c1adbSMohammed Shafi Shajakhan } 650f599359cSBala Shanmugam 651f599359cSBala Shanmugam ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx, 0, 0, 652f599359cSBala Shanmugam sme->bg_scan_period, 0, 0, 0, 3, 0, 0, 0); 653f599359cSBala Shanmugam 654bdcd8170SKalle Valo up(&ar->sem); 655bdcd8170SKalle Valo 656bdcd8170SKalle Valo if (status == -EINVAL) { 6573450334fSVasanthakumar Thiagarajan memset(vif->ssid, 0, sizeof(vif->ssid)); 6583450334fSVasanthakumar Thiagarajan vif->ssid_len = 0; 659bdcd8170SKalle Valo ath6kl_err("invalid request\n"); 660bdcd8170SKalle Valo return -ENOENT; 661bdcd8170SKalle Valo } else if (status) { 662bdcd8170SKalle Valo ath6kl_err("ath6kl_wmi_connect_cmd failed\n"); 663bdcd8170SKalle Valo return -EIO; 664bdcd8170SKalle Valo } 665bdcd8170SKalle Valo 666bdcd8170SKalle Valo if ((!(ar->connect_ctrl_flags & CONNECT_DO_WPA_OFFLOAD)) && 667ddc3d77cSKalle Valo ((vif->auth_mode == WPA_PSK_AUTH) || 668ddc3d77cSKalle Valo (vif->auth_mode == WPA2_PSK_AUTH))) { 669de3ad713SVasanthakumar Thiagarajan mod_timer(&vif->disconnect_timer, 670bdcd8170SKalle Valo jiffies + msecs_to_jiffies(DISCON_TIMER_INTVAL)); 671bdcd8170SKalle Valo } 672bdcd8170SKalle Valo 673bdcd8170SKalle Valo ar->connect_ctrl_flags &= ~CONNECT_DO_WPA_OFFLOAD; 67459c98449SVasanthakumar Thiagarajan set_bit(CONNECT_PEND, &vif->flags); 675bdcd8170SKalle Valo 676bdcd8170SKalle Valo return 0; 677bdcd8170SKalle Valo } 678bdcd8170SKalle Valo 6795e13fd35SVasanthakumar Thiagarajan static struct cfg80211_bss * 6805e13fd35SVasanthakumar Thiagarajan ath6kl_add_bss_if_needed(struct ath6kl_vif *vif, 6814eab6f4fSRaja Mani enum network_type nw_type, 6824eab6f4fSRaja Mani const u8 *bssid, 68301cac476SJouni Malinen struct ieee80211_channel *chan, 6845e13fd35SVasanthakumar Thiagarajan const u8 *beacon_ie, 6855e13fd35SVasanthakumar Thiagarajan size_t beacon_ie_len) 68601cac476SJouni Malinen { 687240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 68801cac476SJouni Malinen struct cfg80211_bss *bss; 6894eab6f4fSRaja Mani u16 cap_mask, cap_val; 69001cac476SJouni Malinen u8 *ie; 69101cac476SJouni Malinen 6924eab6f4fSRaja Mani if (nw_type & ADHOC_NETWORK) { 6934eab6f4fSRaja Mani cap_mask = WLAN_CAPABILITY_IBSS; 6944eab6f4fSRaja Mani cap_val = WLAN_CAPABILITY_IBSS; 6954eab6f4fSRaja Mani } else { 6964eab6f4fSRaja Mani cap_mask = WLAN_CAPABILITY_ESS; 6974eab6f4fSRaja Mani cap_val = WLAN_CAPABILITY_ESS; 6984eab6f4fSRaja Mani } 6994eab6f4fSRaja Mani 700be98e3a4SVasanthakumar Thiagarajan bss = cfg80211_get_bss(ar->wiphy, chan, bssid, 7014eab6f4fSRaja Mani vif->ssid, vif->ssid_len, 7024eab6f4fSRaja Mani cap_mask, cap_val); 70301cac476SJouni Malinen if (bss == NULL) { 70401cac476SJouni Malinen /* 70501cac476SJouni Malinen * Since cfg80211 may not yet know about the BSS, 70601cac476SJouni Malinen * generate a partial entry until the first BSS info 70701cac476SJouni Malinen * event becomes available. 70801cac476SJouni Malinen * 70901cac476SJouni Malinen * Prepend SSID element since it is not included in the Beacon 71001cac476SJouni Malinen * IEs from the target. 71101cac476SJouni Malinen */ 7123450334fSVasanthakumar Thiagarajan ie = kmalloc(2 + vif->ssid_len + beacon_ie_len, GFP_KERNEL); 71301cac476SJouni Malinen if (ie == NULL) 7145e13fd35SVasanthakumar Thiagarajan return NULL; 71501cac476SJouni Malinen ie[0] = WLAN_EID_SSID; 7163450334fSVasanthakumar Thiagarajan ie[1] = vif->ssid_len; 7173450334fSVasanthakumar Thiagarajan memcpy(ie + 2, vif->ssid, vif->ssid_len); 7183450334fSVasanthakumar Thiagarajan memcpy(ie + 2 + vif->ssid_len, beacon_ie, beacon_ie_len); 719be98e3a4SVasanthakumar Thiagarajan bss = cfg80211_inform_bss(ar->wiphy, chan, 7204eab6f4fSRaja Mani bssid, 0, cap_val, 100, 7213450334fSVasanthakumar Thiagarajan ie, 2 + vif->ssid_len + beacon_ie_len, 72201cac476SJouni Malinen 0, GFP_KERNEL); 72301cac476SJouni Malinen if (bss) 724cdeb8602SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 725cdeb8602SKalle Valo "added bss %pM to cfg80211\n", bssid); 72601cac476SJouni Malinen kfree(ie); 72701cac476SJouni Malinen } else 7285e13fd35SVasanthakumar Thiagarajan ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "cfg80211 already has a bss\n"); 72901cac476SJouni Malinen 7305e13fd35SVasanthakumar Thiagarajan return bss; 73101cac476SJouni Malinen } 73201cac476SJouni Malinen 733240d2799SVasanthakumar Thiagarajan void ath6kl_cfg80211_connect_event(struct ath6kl_vif *vif, u16 channel, 734bdcd8170SKalle Valo u8 *bssid, u16 listen_intvl, 735bdcd8170SKalle Valo u16 beacon_intvl, 736bdcd8170SKalle Valo enum network_type nw_type, 737bdcd8170SKalle Valo u8 beacon_ie_len, u8 assoc_req_len, 738bdcd8170SKalle Valo u8 assoc_resp_len, u8 *assoc_info) 739bdcd8170SKalle Valo { 74001cac476SJouni Malinen struct ieee80211_channel *chan; 741240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 7425e13fd35SVasanthakumar Thiagarajan struct cfg80211_bss *bss; 743bdcd8170SKalle Valo 744bdcd8170SKalle Valo /* capinfo + listen interval */ 745bdcd8170SKalle Valo u8 assoc_req_ie_offset = sizeof(u16) + sizeof(u16); 746bdcd8170SKalle Valo 747bdcd8170SKalle Valo /* capinfo + status code + associd */ 748bdcd8170SKalle Valo u8 assoc_resp_ie_offset = sizeof(u16) + sizeof(u16) + sizeof(u16); 749bdcd8170SKalle Valo 750bdcd8170SKalle Valo u8 *assoc_req_ie = assoc_info + beacon_ie_len + assoc_req_ie_offset; 751bdcd8170SKalle Valo u8 *assoc_resp_ie = assoc_info + beacon_ie_len + assoc_req_len + 752bdcd8170SKalle Valo assoc_resp_ie_offset; 753bdcd8170SKalle Valo 754bdcd8170SKalle Valo assoc_req_len -= assoc_req_ie_offset; 755bdcd8170SKalle Valo assoc_resp_len -= assoc_resp_ie_offset; 756bdcd8170SKalle Valo 75732c10874SJouni Malinen /* 75832c10874SJouni Malinen * Store Beacon interval here; DTIM period will be available only once 75932c10874SJouni Malinen * a Beacon frame from the AP is seen. 76032c10874SJouni Malinen */ 761cf5333d7SVasanthakumar Thiagarajan vif->assoc_bss_beacon_int = beacon_intvl; 76259c98449SVasanthakumar Thiagarajan clear_bit(DTIM_PERIOD_AVAIL, &vif->flags); 76332c10874SJouni Malinen 764bdcd8170SKalle Valo if (nw_type & ADHOC_NETWORK) { 765551959d8SVasanthakumar Thiagarajan if (vif->wdev.iftype != NL80211_IFTYPE_ADHOC) { 766bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 767bdcd8170SKalle Valo "%s: ath6k not in ibss mode\n", __func__); 768bdcd8170SKalle Valo return; 769bdcd8170SKalle Valo } 770bdcd8170SKalle Valo } 771bdcd8170SKalle Valo 772bdcd8170SKalle Valo if (nw_type & INFRA_NETWORK) { 773551959d8SVasanthakumar Thiagarajan if (vif->wdev.iftype != NL80211_IFTYPE_STATION && 774551959d8SVasanthakumar Thiagarajan vif->wdev.iftype != NL80211_IFTYPE_P2P_CLIENT) { 775bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 776bdcd8170SKalle Valo "%s: ath6k not in station mode\n", __func__); 777bdcd8170SKalle Valo return; 778bdcd8170SKalle Valo } 779bdcd8170SKalle Valo } 780bdcd8170SKalle Valo 781be98e3a4SVasanthakumar Thiagarajan chan = ieee80211_get_channel(ar->wiphy, (int) channel); 782bdcd8170SKalle Valo 7835e13fd35SVasanthakumar Thiagarajan bss = ath6kl_add_bss_if_needed(vif, nw_type, bssid, chan, 7845e13fd35SVasanthakumar Thiagarajan assoc_info, beacon_ie_len); 7855e13fd35SVasanthakumar Thiagarajan if (!bss) { 7864eab6f4fSRaja Mani ath6kl_err("could not add cfg80211 bss entry\n"); 787bdcd8170SKalle Valo return; 788bdcd8170SKalle Valo } 789bdcd8170SKalle Valo 7904eab6f4fSRaja Mani if (nw_type & ADHOC_NETWORK) { 7914eab6f4fSRaja Mani ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "ad-hoc %s selected\n", 7924eab6f4fSRaja Mani nw_type & ADHOC_CREATOR ? "creator" : "joiner"); 7934eab6f4fSRaja Mani cfg80211_ibss_joined(vif->ndev, bssid, GFP_KERNEL); 7945b112d3dSJohannes Berg cfg80211_put_bss(ar->wiphy, bss); 79501cac476SJouni Malinen return; 79601cac476SJouni Malinen } 79701cac476SJouni Malinen 79814ee6f6bSVasanthakumar Thiagarajan if (vif->sme_state == SME_CONNECTING) { 799bdcd8170SKalle Valo /* inform connect result to cfg80211 */ 80014ee6f6bSVasanthakumar Thiagarajan vif->sme_state = SME_CONNECTED; 801240d2799SVasanthakumar Thiagarajan cfg80211_connect_result(vif->ndev, bssid, 802bdcd8170SKalle Valo assoc_req_ie, assoc_req_len, 803bdcd8170SKalle Valo assoc_resp_ie, assoc_resp_len, 804bdcd8170SKalle Valo WLAN_STATUS_SUCCESS, GFP_KERNEL); 8055b112d3dSJohannes Berg cfg80211_put_bss(ar->wiphy, bss); 80614ee6f6bSVasanthakumar Thiagarajan } else if (vif->sme_state == SME_CONNECTED) { 807bdcd8170SKalle Valo /* inform roam event to cfg80211 */ 8085e13fd35SVasanthakumar Thiagarajan cfg80211_roamed_bss(vif->ndev, bss, assoc_req_ie, assoc_req_len, 809bdcd8170SKalle Valo assoc_resp_ie, assoc_resp_len, GFP_KERNEL); 810bdcd8170SKalle Valo } 811bdcd8170SKalle Valo } 812bdcd8170SKalle Valo 813bdcd8170SKalle Valo static int ath6kl_cfg80211_disconnect(struct wiphy *wiphy, 814bdcd8170SKalle Valo struct net_device *dev, u16 reason_code) 815bdcd8170SKalle Valo { 816d6d5c06cSKalle Valo struct ath6kl *ar = ath6kl_priv(dev); 8173450334fSVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 818bdcd8170SKalle Valo 819bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: reason=%u\n", __func__, 820bdcd8170SKalle Valo reason_code); 821bdcd8170SKalle Valo 82210509f90SKalle Valo ath6kl_cfg80211_sscan_disable(vif); 82310509f90SKalle Valo 824990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 825bdcd8170SKalle Valo return -EIO; 826bdcd8170SKalle Valo 827bdcd8170SKalle Valo if (test_bit(DESTROY_IN_PROGRESS, &ar->flag)) { 828bdcd8170SKalle Valo ath6kl_err("busy, destroy in progress\n"); 829bdcd8170SKalle Valo return -EBUSY; 830bdcd8170SKalle Valo } 831bdcd8170SKalle Valo 832bdcd8170SKalle Valo if (down_interruptible(&ar->sem)) { 833bdcd8170SKalle Valo ath6kl_err("busy, couldn't get access\n"); 834bdcd8170SKalle Valo return -ERESTARTSYS; 835bdcd8170SKalle Valo } 836bdcd8170SKalle Valo 837cf5333d7SVasanthakumar Thiagarajan vif->reconnect_flag = 0; 838240d2799SVasanthakumar Thiagarajan ath6kl_disconnect(vif); 8393450334fSVasanthakumar Thiagarajan memset(vif->ssid, 0, sizeof(vif->ssid)); 8403450334fSVasanthakumar Thiagarajan vif->ssid_len = 0; 841bdcd8170SKalle Valo 842bdcd8170SKalle Valo if (!test_bit(SKIP_SCAN, &ar->flag)) 8438c8b65e3SVasanthakumar Thiagarajan memset(vif->req_bssid, 0, sizeof(vif->req_bssid)); 844bdcd8170SKalle Valo 845bdcd8170SKalle Valo up(&ar->sem); 846bdcd8170SKalle Valo 84714ee6f6bSVasanthakumar Thiagarajan vif->sme_state = SME_DISCONNECTED; 848170826ddSVasanthakumar Thiagarajan 849bdcd8170SKalle Valo return 0; 850bdcd8170SKalle Valo } 851bdcd8170SKalle Valo 852240d2799SVasanthakumar Thiagarajan void ath6kl_cfg80211_disconnect_event(struct ath6kl_vif *vif, u8 reason, 853bdcd8170SKalle Valo u8 *bssid, u8 assoc_resp_len, 854bdcd8170SKalle Valo u8 *assoc_info, u16 proto_reason) 855bdcd8170SKalle Valo { 856240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 85759c98449SVasanthakumar Thiagarajan 85814ee6f6bSVasanthakumar Thiagarajan if (vif->scan_req) { 85914ee6f6bSVasanthakumar Thiagarajan cfg80211_scan_done(vif->scan_req, true); 86014ee6f6bSVasanthakumar Thiagarajan vif->scan_req = NULL; 861bdcd8170SKalle Valo } 862bdcd8170SKalle Valo 863f5938f24SVasanthakumar Thiagarajan if (vif->nw_type & ADHOC_NETWORK) { 864551959d8SVasanthakumar Thiagarajan if (vif->wdev.iftype != NL80211_IFTYPE_ADHOC) { 865bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 866bdcd8170SKalle Valo "%s: ath6k not in ibss mode\n", __func__); 867bdcd8170SKalle Valo return; 868bdcd8170SKalle Valo } 869bdcd8170SKalle Valo memset(bssid, 0, ETH_ALEN); 870240d2799SVasanthakumar Thiagarajan cfg80211_ibss_joined(vif->ndev, bssid, GFP_KERNEL); 871bdcd8170SKalle Valo return; 872bdcd8170SKalle Valo } 873bdcd8170SKalle Valo 874f5938f24SVasanthakumar Thiagarajan if (vif->nw_type & INFRA_NETWORK) { 875551959d8SVasanthakumar Thiagarajan if (vif->wdev.iftype != NL80211_IFTYPE_STATION && 876551959d8SVasanthakumar Thiagarajan vif->wdev.iftype != NL80211_IFTYPE_P2P_CLIENT) { 877bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 878bdcd8170SKalle Valo "%s: ath6k not in station mode\n", __func__); 879bdcd8170SKalle Valo return; 880bdcd8170SKalle Valo } 881bdcd8170SKalle Valo } 882bdcd8170SKalle Valo 88359c98449SVasanthakumar Thiagarajan clear_bit(CONNECT_PEND, &vif->flags); 884bdcd8170SKalle Valo 88514ee6f6bSVasanthakumar Thiagarajan if (vif->sme_state == SME_CONNECTING) { 886240d2799SVasanthakumar Thiagarajan cfg80211_connect_result(vif->ndev, 887bdcd8170SKalle Valo bssid, NULL, 0, 888bdcd8170SKalle Valo NULL, 0, 889bdcd8170SKalle Valo WLAN_STATUS_UNSPECIFIED_FAILURE, 890bdcd8170SKalle Valo GFP_KERNEL); 89114ee6f6bSVasanthakumar Thiagarajan } else if (vif->sme_state == SME_CONNECTED) { 89233a6664aSThomas Pedersen cfg80211_disconnected(vif->ndev, proto_reason, 893bdcd8170SKalle Valo NULL, 0, GFP_KERNEL); 894bdcd8170SKalle Valo } 895bdcd8170SKalle Valo 89614ee6f6bSVasanthakumar Thiagarajan vif->sme_state = SME_DISCONNECTED; 89733a6664aSThomas Pedersen 89833a6664aSThomas Pedersen /* 89933a6664aSThomas Pedersen * Send a disconnect command to target when a disconnect event is 90033a6664aSThomas Pedersen * received with reason code other than 3 (DISCONNECT_CMD - disconnect 90133a6664aSThomas Pedersen * request from host) to make the firmware stop trying to connect even 90233a6664aSThomas Pedersen * after giving disconnect event. There will be one more disconnect 90333a6664aSThomas Pedersen * event for this disconnect command with reason code DISCONNECT_CMD 90433a6664aSThomas Pedersen * which won't be notified to cfg80211. 90533a6664aSThomas Pedersen */ 90633a6664aSThomas Pedersen if (reason != DISCONNECT_CMD) 90733a6664aSThomas Pedersen ath6kl_wmi_disconnect_cmd(ar->wmi, vif->fw_vif_idx); 908bdcd8170SKalle Valo } 909bdcd8170SKalle Valo 9103b8ffc6aSJouni Malinen static int ath6kl_set_probed_ssids(struct ath6kl *ar, 9113b8ffc6aSJouni Malinen struct ath6kl_vif *vif, 912dd45b759SNaveen Singh struct cfg80211_ssid *ssids, int n_ssids, 913dd45b759SNaveen Singh struct cfg80211_match_set *match_set, 914dd45b759SNaveen Singh int n_match_ssid) 9153b8ffc6aSJouni Malinen { 916dd45b759SNaveen Singh u8 i, j, index_to_add, ssid_found = false; 917dd45b759SNaveen Singh struct ath6kl_cfg80211_match_probe_ssid ssid_list[MAX_PROBED_SSIDS]; 9183b8ffc6aSJouni Malinen 919dd45b759SNaveen Singh memset(ssid_list, 0, sizeof(ssid_list)); 920dd45b759SNaveen Singh 921dd45b759SNaveen Singh if (n_ssids > MAX_PROBED_SSIDS || 922dd45b759SNaveen Singh n_match_ssid > MAX_PROBED_SSIDS) 9233b8ffc6aSJouni Malinen return -EINVAL; 9243b8ffc6aSJouni Malinen 9253b8ffc6aSJouni Malinen for (i = 0; i < n_ssids; i++) { 926dd45b759SNaveen Singh memcpy(ssid_list[i].ssid.ssid, 927dd45b759SNaveen Singh ssids[i].ssid, 928dd45b759SNaveen Singh ssids[i].ssid_len); 929dd45b759SNaveen Singh ssid_list[i].ssid.ssid_len = ssids[i].ssid_len; 930dd45b759SNaveen Singh 931dd45b759SNaveen Singh if (ssids[i].ssid_len) 932dd45b759SNaveen Singh ssid_list[i].flag = SPECIFIC_SSID_FLAG; 933dd45b759SNaveen Singh else 934dd45b759SNaveen Singh ssid_list[i].flag = ANY_SSID_FLAG; 935dd45b759SNaveen Singh 936dd45b759SNaveen Singh if (n_match_ssid == 0) 937dd45b759SNaveen Singh ssid_list[i].flag |= MATCH_SSID_FLAG; 938dd45b759SNaveen Singh } 939dd45b759SNaveen Singh 940dd45b759SNaveen Singh index_to_add = i; 941dd45b759SNaveen Singh 942dd45b759SNaveen Singh for (i = 0; i < n_match_ssid; i++) { 943dd45b759SNaveen Singh ssid_found = false; 944dd45b759SNaveen Singh 945dd45b759SNaveen Singh for (j = 0; j < n_ssids; j++) { 946dd45b759SNaveen Singh if ((match_set[i].ssid.ssid_len == 947dd45b759SNaveen Singh ssid_list[j].ssid.ssid_len) && 948dd45b759SNaveen Singh (!memcmp(ssid_list[j].ssid.ssid, 949dd45b759SNaveen Singh match_set[i].ssid.ssid, 950dd45b759SNaveen Singh match_set[i].ssid.ssid_len))) { 951dd45b759SNaveen Singh ssid_list[j].flag |= MATCH_SSID_FLAG; 952dd45b759SNaveen Singh ssid_found = true; 953dd45b759SNaveen Singh break; 954dd45b759SNaveen Singh } 955dd45b759SNaveen Singh } 956dd45b759SNaveen Singh 957dd45b759SNaveen Singh if (ssid_found) 958dd45b759SNaveen Singh continue; 959dd45b759SNaveen Singh 960dd45b759SNaveen Singh if (index_to_add >= MAX_PROBED_SSIDS) 961dd45b759SNaveen Singh continue; 962dd45b759SNaveen Singh 963dd45b759SNaveen Singh ssid_list[index_to_add].ssid.ssid_len = 964dd45b759SNaveen Singh match_set[i].ssid.ssid_len; 965dd45b759SNaveen Singh memcpy(ssid_list[index_to_add].ssid.ssid, 966dd45b759SNaveen Singh match_set[i].ssid.ssid, 967dd45b759SNaveen Singh match_set[i].ssid.ssid_len); 968dd45b759SNaveen Singh ssid_list[index_to_add].flag |= MATCH_SSID_FLAG; 969dd45b759SNaveen Singh index_to_add++; 970dd45b759SNaveen Singh } 971dd45b759SNaveen Singh 972dd45b759SNaveen Singh for (i = 0; i < index_to_add; i++) { 9733b8ffc6aSJouni Malinen ath6kl_wmi_probedssid_cmd(ar->wmi, vif->fw_vif_idx, i, 974dd45b759SNaveen Singh ssid_list[i].flag, 975dd45b759SNaveen Singh ssid_list[i].ssid.ssid_len, 976dd45b759SNaveen Singh ssid_list[i].ssid.ssid); 977dd45b759SNaveen Singh 9783b8ffc6aSJouni Malinen } 9793b8ffc6aSJouni Malinen 9803b8ffc6aSJouni Malinen /* Make sure no old entries are left behind */ 981dd45b759SNaveen Singh for (i = index_to_add; i < MAX_PROBED_SSIDS; i++) { 9823b8ffc6aSJouni Malinen ath6kl_wmi_probedssid_cmd(ar->wmi, vif->fw_vif_idx, i, 9833b8ffc6aSJouni Malinen DISABLE_SSID_FLAG, 0, NULL); 9843b8ffc6aSJouni Malinen } 9853b8ffc6aSJouni Malinen 9863b8ffc6aSJouni Malinen return 0; 9873b8ffc6aSJouni Malinen } 9883b8ffc6aSJouni Malinen 989fd014284SJohannes Berg static int ath6kl_cfg80211_scan(struct wiphy *wiphy, 990bdcd8170SKalle Valo struct cfg80211_scan_request *request) 991bdcd8170SKalle Valo { 992fd014284SJohannes Berg struct ath6kl_vif *vif = ath6kl_vif_from_wdev(request->wdev); 993fd014284SJohannes Berg struct ath6kl *ar = ath6kl_priv(vif->ndev); 9941276c9efSEdward Lu s8 n_channels = 0; 9951276c9efSEdward Lu u16 *channels = NULL; 996bdcd8170SKalle Valo int ret = 0; 997f1f92179SVasanthakumar Thiagarajan u32 force_fg_scan = 0; 998bdcd8170SKalle Valo 999990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1000bdcd8170SKalle Valo return -EIO; 1001bdcd8170SKalle Valo 100210509f90SKalle Valo ath6kl_cfg80211_sscan_disable(vif); 100310509f90SKalle Valo 1004bdcd8170SKalle Valo if (!ar->usr_bss_filter) { 100559c98449SVasanthakumar Thiagarajan clear_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags); 1006954e6ce5SVasanthakumar Thiagarajan ret = ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx, 1007954e6ce5SVasanthakumar Thiagarajan ALL_BSS_FILTER, 0); 10081b1e6ee3SJouni Malinen if (ret) { 1009bdcd8170SKalle Valo ath6kl_err("couldn't set bss filtering\n"); 10101b1e6ee3SJouni Malinen return ret; 1011bdcd8170SKalle Valo } 1012bdcd8170SKalle Valo } 1013bdcd8170SKalle Valo 10143b8ffc6aSJouni Malinen ret = ath6kl_set_probed_ssids(ar, vif, request->ssids, 1015dd45b759SNaveen Singh request->n_ssids, NULL, 0); 10163b8ffc6aSJouni Malinen if (ret < 0) 10173b8ffc6aSJouni Malinen return ret; 1018bdcd8170SKalle Valo 1019080eec4fSAarthi Thiruvengadam /* this also clears IE in fw if it's not set */ 1020334234b5SVasanthakumar Thiagarajan ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, 1021334234b5SVasanthakumar Thiagarajan WMI_FRAME_PROBE_REQ, 1022b84da8c7SJouni Malinen request->ie, request->ie_len); 1023b84da8c7SJouni Malinen if (ret) { 1024f1ff32e8SJoe Perches ath6kl_err("failed to set Probe Request appie for scan\n"); 1025b84da8c7SJouni Malinen return ret; 1026b84da8c7SJouni Malinen } 1027b84da8c7SJouni Malinen 102811869befSJouni Malinen /* 102911869befSJouni Malinen * Scan only the requested channels if the request specifies a set of 103011869befSJouni Malinen * channels. If the list is longer than the target supports, do not 103111869befSJouni Malinen * configure the list and instead, scan all available channels. 103211869befSJouni Malinen */ 103311869befSJouni Malinen if (request->n_channels > 0 && 103411869befSJouni Malinen request->n_channels <= WMI_MAX_CHANNELS) { 10351276c9efSEdward Lu u8 i; 10361276c9efSEdward Lu 103711869befSJouni Malinen n_channels = request->n_channels; 10381276c9efSEdward Lu 10391276c9efSEdward Lu channels = kzalloc(n_channels * sizeof(u16), GFP_KERNEL); 10401276c9efSEdward Lu if (channels == NULL) { 1041cdeb8602SKalle Valo ath6kl_warn("failed to set scan channels, scan all channels"); 10421276c9efSEdward Lu n_channels = 0; 10431276c9efSEdward Lu } 10441276c9efSEdward Lu 10451276c9efSEdward Lu for (i = 0; i < n_channels; i++) 10461276c9efSEdward Lu channels[i] = request->channels[i]->center_freq; 10471276c9efSEdward Lu } 10481276c9efSEdward Lu 104959c98449SVasanthakumar Thiagarajan if (test_bit(CONNECTED, &vif->flags)) 1050f1f92179SVasanthakumar Thiagarajan force_fg_scan = 1; 1051f1f92179SVasanthakumar Thiagarajan 10525b35dff0SRaja Mani vif->scan_req = request; 10535b35dff0SRaja Mani 10543ca9d1fcSAarthi Thiruvengadam ret = ath6kl_wmi_beginscan_cmd(ar->wmi, vif->fw_vif_idx, 10553ca9d1fcSAarthi Thiruvengadam WMI_LONG_SCAN, force_fg_scan, 105613423c31SVasanthakumar Thiagarajan false, 0, 105713423c31SVasanthakumar Thiagarajan ATH6KL_FG_SCAN_INTERVAL, 105813423c31SVasanthakumar Thiagarajan n_channels, channels, 105913423c31SVasanthakumar Thiagarajan request->no_cck, 10603ca9d1fcSAarthi Thiruvengadam request->rates); 10615b35dff0SRaja Mani if (ret) { 106211f0bfcfSKalle Valo ath6kl_err("failed to start scan: %d\n", ret); 10635b35dff0SRaja Mani vif->scan_req = NULL; 10645b35dff0SRaja Mani } 1065bdcd8170SKalle Valo 10661276c9efSEdward Lu kfree(channels); 10671276c9efSEdward Lu 1068bdcd8170SKalle Valo return ret; 1069bdcd8170SKalle Valo } 1070bdcd8170SKalle Valo 10711c17d313SKalle Valo void ath6kl_cfg80211_scan_complete_event(struct ath6kl_vif *vif, bool aborted) 1072bdcd8170SKalle Valo { 1073240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 10746fd1eaceSKalle Valo int i; 1075bdcd8170SKalle Valo 10761c17d313SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: status%s\n", __func__, 10771c17d313SKalle Valo aborted ? " aborted" : ""); 1078bdcd8170SKalle Valo 107914ee6f6bSVasanthakumar Thiagarajan if (!vif->scan_req) 10806fd1eaceSKalle Valo return; 10816fd1eaceSKalle Valo 10821c17d313SKalle Valo if (aborted) 10836fd1eaceSKalle Valo goto out; 1084bdcd8170SKalle Valo 108514ee6f6bSVasanthakumar Thiagarajan if (vif->scan_req->n_ssids && vif->scan_req->ssids[0].ssid_len) { 108614ee6f6bSVasanthakumar Thiagarajan for (i = 0; i < vif->scan_req->n_ssids; i++) { 1087334234b5SVasanthakumar Thiagarajan ath6kl_wmi_probedssid_cmd(ar->wmi, vif->fw_vif_idx, 1088334234b5SVasanthakumar Thiagarajan i + 1, DISABLE_SSID_FLAG, 1089bdcd8170SKalle Valo 0, NULL); 1090bdcd8170SKalle Valo } 1091bdcd8170SKalle Valo } 10926fd1eaceSKalle Valo 10936fd1eaceSKalle Valo out: 1094cb93821aSKalle Valo cfg80211_scan_done(vif->scan_req, aborted); 109514ee6f6bSVasanthakumar Thiagarajan vif->scan_req = NULL; 1096bdcd8170SKalle Valo } 1097bdcd8170SKalle Valo 1098c4f7863eSThomas Pedersen void ath6kl_cfg80211_ch_switch_notify(struct ath6kl_vif *vif, int freq, 1099c4f7863eSThomas Pedersen enum wmi_phy_mode mode) 1100c4f7863eSThomas Pedersen { 1101683b6d3bSJohannes Berg struct cfg80211_chan_def chandef; 1102c4f7863eSThomas Pedersen 1103c4f7863eSThomas Pedersen ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1104c4f7863eSThomas Pedersen "channel switch notify nw_type %d freq %d mode %d\n", 1105c4f7863eSThomas Pedersen vif->nw_type, freq, mode); 1106c4f7863eSThomas Pedersen 11073d9d1d66SJohannes Berg cfg80211_chandef_create(&chandef, 11083d9d1d66SJohannes Berg ieee80211_get_channel(vif->ar->wiphy, freq), 11093d9d1d66SJohannes Berg (mode == WMI_11G_HT20) ? 11103d9d1d66SJohannes Berg NL80211_CHAN_HT20 : NL80211_CHAN_NO_HT); 1111c4f7863eSThomas Pedersen 1112683b6d3bSJohannes Berg cfg80211_ch_switch_notify(vif->ndev, &chandef); 1113c4f7863eSThomas Pedersen } 1114c4f7863eSThomas Pedersen 1115bdcd8170SKalle Valo static int ath6kl_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev, 1116bdcd8170SKalle Valo u8 key_index, bool pairwise, 1117bdcd8170SKalle Valo const u8 *mac_addr, 1118bdcd8170SKalle Valo struct key_params *params) 1119bdcd8170SKalle Valo { 1120d6d5c06cSKalle Valo struct ath6kl *ar = ath6kl_priv(ndev); 112159c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(ndev); 1122bdcd8170SKalle Valo struct ath6kl_key *key = NULL; 11234a8ce2fdSSujith Manoharan int seq_len; 1124bdcd8170SKalle Valo u8 key_usage; 1125bdcd8170SKalle Valo u8 key_type; 1126bdcd8170SKalle Valo 1127990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1128bdcd8170SKalle Valo return -EIO; 1129bdcd8170SKalle Valo 1130837cb97eSJouni Malinen if (params->cipher == CCKM_KRK_CIPHER_SUITE) { 1131837cb97eSJouni Malinen if (params->key_len != WMI_KRK_LEN) 1132837cb97eSJouni Malinen return -EINVAL; 1133240d2799SVasanthakumar Thiagarajan return ath6kl_wmi_add_krk_cmd(ar->wmi, vif->fw_vif_idx, 1134240d2799SVasanthakumar Thiagarajan params->key); 1135837cb97eSJouni Malinen } 1136837cb97eSJouni Malinen 1137792ecb33SVivek Natarajan if (key_index > WMI_MAX_KEY_INDEX) { 1138bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1139bdcd8170SKalle Valo "%s: key index %d out of bounds\n", __func__, 1140bdcd8170SKalle Valo key_index); 1141bdcd8170SKalle Valo return -ENOENT; 1142bdcd8170SKalle Valo } 1143bdcd8170SKalle Valo 11446f2a73f9SVasanthakumar Thiagarajan key = &vif->keys[key_index]; 1145bdcd8170SKalle Valo memset(key, 0, sizeof(struct ath6kl_key)); 1146bdcd8170SKalle Valo 1147bdcd8170SKalle Valo if (pairwise) 1148bdcd8170SKalle Valo key_usage = PAIRWISE_USAGE; 1149bdcd8170SKalle Valo else 1150bdcd8170SKalle Valo key_usage = GROUP_USAGE; 1151bdcd8170SKalle Valo 11524a8ce2fdSSujith Manoharan seq_len = params->seq_len; 11535e07021eSDai Shuibing if (params->cipher == WLAN_CIPHER_SUITE_SMS4 && 11545e07021eSDai Shuibing seq_len > ATH6KL_KEY_SEQ_LEN) { 11555e07021eSDai Shuibing /* Only first half of the WPI PN is configured */ 11565e07021eSDai Shuibing seq_len = ATH6KL_KEY_SEQ_LEN; 11575e07021eSDai Shuibing } 1158bdcd8170SKalle Valo if (params->key_len > WLAN_MAX_KEY_LEN || 11595e07021eSDai Shuibing seq_len > sizeof(key->seq)) 1160bdcd8170SKalle Valo return -EINVAL; 1161bdcd8170SKalle Valo 1162bdcd8170SKalle Valo key->key_len = params->key_len; 1163bdcd8170SKalle Valo memcpy(key->key, params->key, key->key_len); 11645e07021eSDai Shuibing key->seq_len = seq_len; 1165bdcd8170SKalle Valo memcpy(key->seq, params->seq, key->seq_len); 1166bdcd8170SKalle Valo key->cipher = params->cipher; 1167bdcd8170SKalle Valo 1168bdcd8170SKalle Valo switch (key->cipher) { 1169bdcd8170SKalle Valo case WLAN_CIPHER_SUITE_WEP40: 1170bdcd8170SKalle Valo case WLAN_CIPHER_SUITE_WEP104: 1171bdcd8170SKalle Valo key_type = WEP_CRYPT; 1172bdcd8170SKalle Valo break; 1173bdcd8170SKalle Valo 1174bdcd8170SKalle Valo case WLAN_CIPHER_SUITE_TKIP: 1175bdcd8170SKalle Valo key_type = TKIP_CRYPT; 1176bdcd8170SKalle Valo break; 1177bdcd8170SKalle Valo 1178bdcd8170SKalle Valo case WLAN_CIPHER_SUITE_CCMP: 1179bdcd8170SKalle Valo key_type = AES_CRYPT; 1180bdcd8170SKalle Valo break; 11815e07021eSDai Shuibing case WLAN_CIPHER_SUITE_SMS4: 11825e07021eSDai Shuibing key_type = WAPI_CRYPT; 11835e07021eSDai Shuibing break; 1184bdcd8170SKalle Valo 1185bdcd8170SKalle Valo default: 1186bdcd8170SKalle Valo return -ENOTSUPP; 1187bdcd8170SKalle Valo } 1188bdcd8170SKalle Valo 1189ddc3d77cSKalle Valo if (((vif->auth_mode == WPA_PSK_AUTH) || 1190ddc3d77cSKalle Valo (vif->auth_mode == WPA2_PSK_AUTH)) && 1191ddc3d77cSKalle Valo (key_usage & GROUP_USAGE)) 1192de3ad713SVasanthakumar Thiagarajan del_timer(&vif->disconnect_timer); 1193bdcd8170SKalle Valo 1194bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1195bdcd8170SKalle Valo "%s: index %d, key_len %d, key_type 0x%x, key_usage 0x%x, seq_len %d\n", 1196bdcd8170SKalle Valo __func__, key_index, key->key_len, key_type, 1197bdcd8170SKalle Valo key_usage, key->seq_len); 1198bdcd8170SKalle Valo 1199f5938f24SVasanthakumar Thiagarajan if (vif->nw_type == AP_NETWORK && !pairwise && 12004703290aSJouni Malinen (key_type == TKIP_CRYPT || key_type == AES_CRYPT || 1201cc4d623dSVasanthakumar Thiagarajan key_type == WAPI_CRYPT)) { 12029a5b1318SJouni Malinen ar->ap_mode_bkey.valid = true; 12039a5b1318SJouni Malinen ar->ap_mode_bkey.key_index = key_index; 12049a5b1318SJouni Malinen ar->ap_mode_bkey.key_type = key_type; 12059a5b1318SJouni Malinen ar->ap_mode_bkey.key_len = key->key_len; 12069a5b1318SJouni Malinen memcpy(ar->ap_mode_bkey.key, key->key, key->key_len); 120759c98449SVasanthakumar Thiagarajan if (!test_bit(CONNECTED, &vif->flags)) { 1208cdeb8602SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1209cdeb8602SKalle Valo "Delay initial group key configuration until AP mode has been started\n"); 12109a5b1318SJouni Malinen /* 12119a5b1318SJouni Malinen * The key will be set in ath6kl_connect_ap_mode() once 12129a5b1318SJouni Malinen * the connected event is received from the target. 12139a5b1318SJouni Malinen */ 12149a5b1318SJouni Malinen return 0; 12159a5b1318SJouni Malinen } 12169a5b1318SJouni Malinen } 12179a5b1318SJouni Malinen 1218f5938f24SVasanthakumar Thiagarajan if (vif->next_mode == AP_NETWORK && key_type == WEP_CRYPT && 121959c98449SVasanthakumar Thiagarajan !test_bit(CONNECTED, &vif->flags)) { 1220151411e8SJouni Malinen /* 1221151411e8SJouni Malinen * Store the key locally so that it can be re-configured after 1222151411e8SJouni Malinen * the AP mode has properly started 1223151411e8SJouni Malinen * (ath6kl_install_statioc_wep_keys). 1224151411e8SJouni Malinen */ 1225cdeb8602SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1226cdeb8602SKalle Valo "Delay WEP key configuration until AP mode has been started\n"); 12276f2a73f9SVasanthakumar Thiagarajan vif->wep_key_list[key_index].key_len = key->key_len; 12286f2a73f9SVasanthakumar Thiagarajan memcpy(vif->wep_key_list[key_index].key, key->key, 12296f2a73f9SVasanthakumar Thiagarajan key->key_len); 1230151411e8SJouni Malinen return 0; 1231151411e8SJouni Malinen } 1232151411e8SJouni Malinen 12337cefa44fSVasanthakumar Thiagarajan return ath6kl_wmi_addkey_cmd(ar->wmi, vif->fw_vif_idx, key_index, 1234bdcd8170SKalle Valo key_type, key_usage, key->key_len, 1235f4bb9a6fSJouni Malinen key->seq, key->seq_len, key->key, 1236f4bb9a6fSJouni Malinen KEY_OP_INIT_VAL, 1237bdcd8170SKalle Valo (u8 *) mac_addr, SYNC_BOTH_WMIFLAG); 1238bdcd8170SKalle Valo } 1239bdcd8170SKalle Valo 1240bdcd8170SKalle Valo static int ath6kl_cfg80211_del_key(struct wiphy *wiphy, struct net_device *ndev, 1241bdcd8170SKalle Valo u8 key_index, bool pairwise, 1242bdcd8170SKalle Valo const u8 *mac_addr) 1243bdcd8170SKalle Valo { 1244d6d5c06cSKalle Valo struct ath6kl *ar = ath6kl_priv(ndev); 12456f2a73f9SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(ndev); 1246bdcd8170SKalle Valo 1247bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: index %d\n", __func__, key_index); 1248bdcd8170SKalle Valo 1249990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1250bdcd8170SKalle Valo return -EIO; 1251bdcd8170SKalle Valo 1252792ecb33SVivek Natarajan if (key_index > WMI_MAX_KEY_INDEX) { 1253bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1254bdcd8170SKalle Valo "%s: key index %d out of bounds\n", __func__, 1255bdcd8170SKalle Valo key_index); 1256bdcd8170SKalle Valo return -ENOENT; 1257bdcd8170SKalle Valo } 1258bdcd8170SKalle Valo 12596f2a73f9SVasanthakumar Thiagarajan if (!vif->keys[key_index].key_len) { 1260bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1261bdcd8170SKalle Valo "%s: index %d is empty\n", __func__, key_index); 1262bdcd8170SKalle Valo return 0; 1263bdcd8170SKalle Valo } 1264bdcd8170SKalle Valo 12656f2a73f9SVasanthakumar Thiagarajan vif->keys[key_index].key_len = 0; 1266bdcd8170SKalle Valo 1267334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_deletekey_cmd(ar->wmi, vif->fw_vif_idx, key_index); 1268bdcd8170SKalle Valo } 1269bdcd8170SKalle Valo 1270bdcd8170SKalle Valo static int ath6kl_cfg80211_get_key(struct wiphy *wiphy, struct net_device *ndev, 1271bdcd8170SKalle Valo u8 key_index, bool pairwise, 1272bdcd8170SKalle Valo const u8 *mac_addr, void *cookie, 1273bdcd8170SKalle Valo void (*callback) (void *cookie, 1274bdcd8170SKalle Valo struct key_params *)) 1275bdcd8170SKalle Valo { 12766f2a73f9SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(ndev); 1277bdcd8170SKalle Valo struct ath6kl_key *key = NULL; 1278bdcd8170SKalle Valo struct key_params params; 1279bdcd8170SKalle Valo 1280bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: index %d\n", __func__, key_index); 1281bdcd8170SKalle Valo 1282990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1283bdcd8170SKalle Valo return -EIO; 1284bdcd8170SKalle Valo 1285792ecb33SVivek Natarajan if (key_index > WMI_MAX_KEY_INDEX) { 1286bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1287bdcd8170SKalle Valo "%s: key index %d out of bounds\n", __func__, 1288bdcd8170SKalle Valo key_index); 1289bdcd8170SKalle Valo return -ENOENT; 1290bdcd8170SKalle Valo } 1291bdcd8170SKalle Valo 12926f2a73f9SVasanthakumar Thiagarajan key = &vif->keys[key_index]; 1293bdcd8170SKalle Valo memset(¶ms, 0, sizeof(params)); 1294bdcd8170SKalle Valo params.cipher = key->cipher; 1295bdcd8170SKalle Valo params.key_len = key->key_len; 1296bdcd8170SKalle Valo params.seq_len = key->seq_len; 1297bdcd8170SKalle Valo params.seq = key->seq; 1298bdcd8170SKalle Valo params.key = key->key; 1299bdcd8170SKalle Valo 1300bdcd8170SKalle Valo callback(cookie, ¶ms); 1301bdcd8170SKalle Valo 1302bdcd8170SKalle Valo return key->key_len ? 0 : -ENOENT; 1303bdcd8170SKalle Valo } 1304bdcd8170SKalle Valo 1305bdcd8170SKalle Valo static int ath6kl_cfg80211_set_default_key(struct wiphy *wiphy, 1306bdcd8170SKalle Valo struct net_device *ndev, 1307bdcd8170SKalle Valo u8 key_index, bool unicast, 1308bdcd8170SKalle Valo bool multicast) 1309bdcd8170SKalle Valo { 1310d6d5c06cSKalle Valo struct ath6kl *ar = ath6kl_priv(ndev); 131159c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(ndev); 1312bdcd8170SKalle Valo struct ath6kl_key *key = NULL; 1313bdcd8170SKalle Valo u8 key_usage; 1314229ed6b5SEdward Lu enum crypto_type key_type = NONE_CRYPT; 1315bdcd8170SKalle Valo 1316bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: index %d\n", __func__, key_index); 1317bdcd8170SKalle Valo 1318990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1319bdcd8170SKalle Valo return -EIO; 1320bdcd8170SKalle Valo 1321792ecb33SVivek Natarajan if (key_index > WMI_MAX_KEY_INDEX) { 1322bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1323bdcd8170SKalle Valo "%s: key index %d out of bounds\n", 1324bdcd8170SKalle Valo __func__, key_index); 1325bdcd8170SKalle Valo return -ENOENT; 1326bdcd8170SKalle Valo } 1327bdcd8170SKalle Valo 13286f2a73f9SVasanthakumar Thiagarajan if (!vif->keys[key_index].key_len) { 1329bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: invalid key index %d\n", 1330bdcd8170SKalle Valo __func__, key_index); 1331bdcd8170SKalle Valo return -EINVAL; 1332bdcd8170SKalle Valo } 1333bdcd8170SKalle Valo 13343450334fSVasanthakumar Thiagarajan vif->def_txkey_index = key_index; 13356f2a73f9SVasanthakumar Thiagarajan key = &vif->keys[vif->def_txkey_index]; 1336bdcd8170SKalle Valo key_usage = GROUP_USAGE; 13373450334fSVasanthakumar Thiagarajan if (vif->prwise_crypto == WEP_CRYPT) 1338bdcd8170SKalle Valo key_usage |= TX_USAGE; 1339229ed6b5SEdward Lu if (unicast) 13403450334fSVasanthakumar Thiagarajan key_type = vif->prwise_crypto; 1341229ed6b5SEdward Lu if (multicast) 13423450334fSVasanthakumar Thiagarajan key_type = vif->grp_crypto; 1343bdcd8170SKalle Valo 1344f5938f24SVasanthakumar Thiagarajan if (vif->next_mode == AP_NETWORK && !test_bit(CONNECTED, &vif->flags)) 13459a5b1318SJouni Malinen return 0; /* Delay until AP mode has been started */ 13469a5b1318SJouni Malinen 1347f3e61eceSJouni Malinen return ath6kl_wmi_addkey_cmd(ar->wmi, vif->fw_vif_idx, 1348334234b5SVasanthakumar Thiagarajan vif->def_txkey_index, 1349229ed6b5SEdward Lu key_type, key_usage, 1350f4bb9a6fSJouni Malinen key->key_len, key->seq, key->seq_len, 1351f4bb9a6fSJouni Malinen key->key, 1352bdcd8170SKalle Valo KEY_OP_INIT_VAL, NULL, 1353bdcd8170SKalle Valo SYNC_BOTH_WMIFLAG); 1354bdcd8170SKalle Valo } 1355bdcd8170SKalle Valo 1356240d2799SVasanthakumar Thiagarajan void ath6kl_cfg80211_tkip_micerr_event(struct ath6kl_vif *vif, u8 keyid, 1357bdcd8170SKalle Valo bool ismcast) 1358bdcd8170SKalle Valo { 1359bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1360bdcd8170SKalle Valo "%s: keyid %d, ismcast %d\n", __func__, keyid, ismcast); 1361bdcd8170SKalle Valo 1362240d2799SVasanthakumar Thiagarajan cfg80211_michael_mic_failure(vif->ndev, vif->bssid, 1363bdcd8170SKalle Valo (ismcast ? NL80211_KEYTYPE_GROUP : 1364bdcd8170SKalle Valo NL80211_KEYTYPE_PAIRWISE), keyid, NULL, 1365bdcd8170SKalle Valo GFP_KERNEL); 1366bdcd8170SKalle Valo } 1367bdcd8170SKalle Valo 1368bdcd8170SKalle Valo static int ath6kl_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) 1369bdcd8170SKalle Valo { 1370bdcd8170SKalle Valo struct ath6kl *ar = (struct ath6kl *)wiphy_priv(wiphy); 1371990bd915SVasanthakumar Thiagarajan struct ath6kl_vif *vif; 1372bdcd8170SKalle Valo int ret; 1373bdcd8170SKalle Valo 1374bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: changed 0x%x\n", __func__, 1375bdcd8170SKalle Valo changed); 1376bdcd8170SKalle Valo 1377990bd915SVasanthakumar Thiagarajan vif = ath6kl_vif_first(ar); 1378990bd915SVasanthakumar Thiagarajan if (!vif) 1379990bd915SVasanthakumar Thiagarajan return -EIO; 1380990bd915SVasanthakumar Thiagarajan 1381990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1382bdcd8170SKalle Valo return -EIO; 1383bdcd8170SKalle Valo 1384bdcd8170SKalle Valo if (changed & WIPHY_PARAM_RTS_THRESHOLD) { 1385bdcd8170SKalle Valo ret = ath6kl_wmi_set_rts_cmd(ar->wmi, wiphy->rts_threshold); 1386bdcd8170SKalle Valo if (ret != 0) { 1387bdcd8170SKalle Valo ath6kl_err("ath6kl_wmi_set_rts_cmd failed\n"); 1388bdcd8170SKalle Valo return -EIO; 1389bdcd8170SKalle Valo } 1390bdcd8170SKalle Valo } 1391bdcd8170SKalle Valo 1392bdcd8170SKalle Valo return 0; 1393bdcd8170SKalle Valo } 1394bdcd8170SKalle Valo 1395bdcd8170SKalle Valo static int ath6kl_cfg80211_set_txpower(struct wiphy *wiphy, 1396c8442118SJohannes Berg struct wireless_dev *wdev, 1397bdcd8170SKalle Valo enum nl80211_tx_power_setting type, 1398b992a285SLuis R. Rodriguez int mbm) 1399bdcd8170SKalle Valo { 1400bdcd8170SKalle Valo struct ath6kl *ar = (struct ath6kl *)wiphy_priv(wiphy); 1401990bd915SVasanthakumar Thiagarajan struct ath6kl_vif *vif; 1402b992a285SLuis R. Rodriguez int dbm = MBM_TO_DBM(mbm); 1403bdcd8170SKalle Valo 1404bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type 0x%x, dbm %d\n", __func__, 1405bdcd8170SKalle Valo type, dbm); 1406bdcd8170SKalle Valo 1407990bd915SVasanthakumar Thiagarajan vif = ath6kl_vif_first(ar); 1408990bd915SVasanthakumar Thiagarajan if (!vif) 1409990bd915SVasanthakumar Thiagarajan return -EIO; 1410990bd915SVasanthakumar Thiagarajan 1411990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1412bdcd8170SKalle Valo return -EIO; 1413bdcd8170SKalle Valo 1414bdcd8170SKalle Valo switch (type) { 1415bdcd8170SKalle Valo case NL80211_TX_POWER_AUTOMATIC: 1416bdcd8170SKalle Valo return 0; 1417bdcd8170SKalle Valo case NL80211_TX_POWER_LIMITED: 1418d0d670abSKalle Valo ar->tx_pwr = dbm; 1419bdcd8170SKalle Valo break; 1420bdcd8170SKalle Valo default: 1421bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type 0x%x not supported\n", 1422bdcd8170SKalle Valo __func__, type); 1423bdcd8170SKalle Valo return -EOPNOTSUPP; 1424bdcd8170SKalle Valo } 1425bdcd8170SKalle Valo 1426d0d670abSKalle Valo ath6kl_wmi_set_tx_pwr_cmd(ar->wmi, vif->fw_vif_idx, dbm); 1427bdcd8170SKalle Valo 1428bdcd8170SKalle Valo return 0; 1429bdcd8170SKalle Valo } 1430bdcd8170SKalle Valo 1431c8442118SJohannes Berg static int ath6kl_cfg80211_get_txpower(struct wiphy *wiphy, 1432c8442118SJohannes Berg struct wireless_dev *wdev, 1433c8442118SJohannes Berg int *dbm) 1434bdcd8170SKalle Valo { 1435bdcd8170SKalle Valo struct ath6kl *ar = (struct ath6kl *)wiphy_priv(wiphy); 1436990bd915SVasanthakumar Thiagarajan struct ath6kl_vif *vif; 1437bdcd8170SKalle Valo 1438990bd915SVasanthakumar Thiagarajan vif = ath6kl_vif_first(ar); 1439990bd915SVasanthakumar Thiagarajan if (!vif) 1440990bd915SVasanthakumar Thiagarajan return -EIO; 1441990bd915SVasanthakumar Thiagarajan 1442990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1443bdcd8170SKalle Valo return -EIO; 1444bdcd8170SKalle Valo 144559c98449SVasanthakumar Thiagarajan if (test_bit(CONNECTED, &vif->flags)) { 1446bdcd8170SKalle Valo ar->tx_pwr = 0; 1447bdcd8170SKalle Valo 1448990bd915SVasanthakumar Thiagarajan if (ath6kl_wmi_get_tx_pwr_cmd(ar->wmi, vif->fw_vif_idx) != 0) { 1449bdcd8170SKalle Valo ath6kl_err("ath6kl_wmi_get_tx_pwr_cmd failed\n"); 1450bdcd8170SKalle Valo return -EIO; 1451bdcd8170SKalle Valo } 1452bdcd8170SKalle Valo 1453bdcd8170SKalle Valo wait_event_interruptible_timeout(ar->event_wq, ar->tx_pwr != 0, 1454bdcd8170SKalle Valo 5 * HZ); 1455bdcd8170SKalle Valo 1456bdcd8170SKalle Valo if (signal_pending(current)) { 1457bdcd8170SKalle Valo ath6kl_err("target did not respond\n"); 1458bdcd8170SKalle Valo return -EINTR; 1459bdcd8170SKalle Valo } 1460bdcd8170SKalle Valo } 1461bdcd8170SKalle Valo 1462bdcd8170SKalle Valo *dbm = ar->tx_pwr; 1463bdcd8170SKalle Valo return 0; 1464bdcd8170SKalle Valo } 1465bdcd8170SKalle Valo 1466bdcd8170SKalle Valo static int ath6kl_cfg80211_set_power_mgmt(struct wiphy *wiphy, 1467bdcd8170SKalle Valo struct net_device *dev, 1468bdcd8170SKalle Valo bool pmgmt, int timeout) 1469bdcd8170SKalle Valo { 1470bdcd8170SKalle Valo struct ath6kl *ar = ath6kl_priv(dev); 1471bdcd8170SKalle Valo struct wmi_power_mode_cmd mode; 1472334234b5SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 1473bdcd8170SKalle Valo 1474bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: pmgmt %d, timeout %d\n", 1475bdcd8170SKalle Valo __func__, pmgmt, timeout); 1476bdcd8170SKalle Valo 1477990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1478bdcd8170SKalle Valo return -EIO; 1479bdcd8170SKalle Valo 1480bdcd8170SKalle Valo if (pmgmt) { 1481f0ed67ecSMohammed Shafi Shajakhan ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: rec power\n", __func__); 1482bdcd8170SKalle Valo mode.pwr_mode = REC_POWER; 1483bdcd8170SKalle Valo } else { 1484f0ed67ecSMohammed Shafi Shajakhan ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: max perf\n", __func__); 1485bdcd8170SKalle Valo mode.pwr_mode = MAX_PERF_POWER; 1486bdcd8170SKalle Valo } 1487bdcd8170SKalle Valo 1488334234b5SVasanthakumar Thiagarajan if (ath6kl_wmi_powermode_cmd(ar->wmi, vif->fw_vif_idx, 1489334234b5SVasanthakumar Thiagarajan mode.pwr_mode) != 0) { 1490bdcd8170SKalle Valo ath6kl_err("wmi_powermode_cmd failed\n"); 1491bdcd8170SKalle Valo return -EIO; 1492bdcd8170SKalle Valo } 1493bdcd8170SKalle Valo 1494bdcd8170SKalle Valo return 0; 1495bdcd8170SKalle Valo } 1496bdcd8170SKalle Valo 149784efbb84SJohannes Berg static struct wireless_dev *ath6kl_cfg80211_add_iface(struct wiphy *wiphy, 1498552bff0cSJohannes Berg const char *name, 149955055976SVasanthakumar Thiagarajan enum nl80211_iftype type, 150055055976SVasanthakumar Thiagarajan u32 *flags, 150155055976SVasanthakumar Thiagarajan struct vif_params *params) 150255055976SVasanthakumar Thiagarajan { 150355055976SVasanthakumar Thiagarajan struct ath6kl *ar = wiphy_priv(wiphy); 150484efbb84SJohannes Berg struct wireless_dev *wdev; 150555055976SVasanthakumar Thiagarajan u8 if_idx, nw_type; 150655055976SVasanthakumar Thiagarajan 150771f96ee6SKalle Valo if (ar->num_vif == ar->vif_max) { 150855055976SVasanthakumar Thiagarajan ath6kl_err("Reached maximum number of supported vif\n"); 150955055976SVasanthakumar Thiagarajan return ERR_PTR(-EINVAL); 151055055976SVasanthakumar Thiagarajan } 151155055976SVasanthakumar Thiagarajan 151255055976SVasanthakumar Thiagarajan if (!ath6kl_is_valid_iftype(ar, type, &if_idx, &nw_type)) { 151355055976SVasanthakumar Thiagarajan ath6kl_err("Not a supported interface type\n"); 151455055976SVasanthakumar Thiagarajan return ERR_PTR(-EINVAL); 151555055976SVasanthakumar Thiagarajan } 151655055976SVasanthakumar Thiagarajan 151784efbb84SJohannes Berg wdev = ath6kl_interface_add(ar, name, type, if_idx, nw_type); 151884efbb84SJohannes Berg if (!wdev) 151955055976SVasanthakumar Thiagarajan return ERR_PTR(-ENOMEM); 152055055976SVasanthakumar Thiagarajan 152155055976SVasanthakumar Thiagarajan ar->num_vif++; 152255055976SVasanthakumar Thiagarajan 152384efbb84SJohannes Berg return wdev; 152455055976SVasanthakumar Thiagarajan } 152555055976SVasanthakumar Thiagarajan 152655055976SVasanthakumar Thiagarajan static int ath6kl_cfg80211_del_iface(struct wiphy *wiphy, 152784efbb84SJohannes Berg struct wireless_dev *wdev) 152855055976SVasanthakumar Thiagarajan { 152955055976SVasanthakumar Thiagarajan struct ath6kl *ar = wiphy_priv(wiphy); 153084efbb84SJohannes Berg struct ath6kl_vif *vif = netdev_priv(wdev->netdev); 153155055976SVasanthakumar Thiagarajan 153211f6e40dSVasanthakumar Thiagarajan spin_lock_bh(&ar->list_lock); 153355055976SVasanthakumar Thiagarajan list_del(&vif->list); 153411f6e40dSVasanthakumar Thiagarajan spin_unlock_bh(&ar->list_lock); 153555055976SVasanthakumar Thiagarajan 1536355b3a98SMohammed Shafi Shajakhan ath6kl_cfg80211_vif_stop(vif, test_bit(WMI_READY, &ar->flag)); 153755055976SVasanthakumar Thiagarajan 1538bc52aab3SMohammed Shafi Shajakhan rtnl_lock(); 1539c25889e8SKalle Valo ath6kl_cfg80211_vif_cleanup(vif); 1540bc52aab3SMohammed Shafi Shajakhan rtnl_unlock(); 154155055976SVasanthakumar Thiagarajan 154255055976SVasanthakumar Thiagarajan return 0; 154355055976SVasanthakumar Thiagarajan } 154455055976SVasanthakumar Thiagarajan 1545bdcd8170SKalle Valo static int ath6kl_cfg80211_change_iface(struct wiphy *wiphy, 1546bdcd8170SKalle Valo struct net_device *ndev, 1547bdcd8170SKalle Valo enum nl80211_iftype type, u32 *flags, 1548bdcd8170SKalle Valo struct vif_params *params) 1549bdcd8170SKalle Valo { 1550f5938f24SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(ndev); 15511e8d13b0SVasanthakumar Thiagarajan int i; 1552bdcd8170SKalle Valo 1553bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type %u\n", __func__, type); 1554bdcd8170SKalle Valo 15551e8d13b0SVasanthakumar Thiagarajan /* 15561e8d13b0SVasanthakumar Thiagarajan * Don't bring up p2p on an interface which is not initialized 15571e8d13b0SVasanthakumar Thiagarajan * for p2p operation where fw does not have capability to switch 15581e8d13b0SVasanthakumar Thiagarajan * dynamically between non-p2p and p2p type interface. 15591e8d13b0SVasanthakumar Thiagarajan */ 15601e8d13b0SVasanthakumar Thiagarajan if (!test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX, 15611e8d13b0SVasanthakumar Thiagarajan vif->ar->fw_capabilities) && 15621e8d13b0SVasanthakumar Thiagarajan (type == NL80211_IFTYPE_P2P_CLIENT || 15631e8d13b0SVasanthakumar Thiagarajan type == NL80211_IFTYPE_P2P_GO)) { 15641e8d13b0SVasanthakumar Thiagarajan if (vif->ar->vif_max == 1) { 15651e8d13b0SVasanthakumar Thiagarajan if (vif->fw_vif_idx != 0) 15661e8d13b0SVasanthakumar Thiagarajan return -EINVAL; 15671e8d13b0SVasanthakumar Thiagarajan else 15681e8d13b0SVasanthakumar Thiagarajan goto set_iface_type; 15691e8d13b0SVasanthakumar Thiagarajan } 15701e8d13b0SVasanthakumar Thiagarajan 15711e8d13b0SVasanthakumar Thiagarajan for (i = vif->ar->max_norm_iface; i < vif->ar->vif_max; i++) { 15721e8d13b0SVasanthakumar Thiagarajan if (i == vif->fw_vif_idx) 15731e8d13b0SVasanthakumar Thiagarajan break; 15741e8d13b0SVasanthakumar Thiagarajan } 15751e8d13b0SVasanthakumar Thiagarajan 15761e8d13b0SVasanthakumar Thiagarajan if (i == vif->ar->vif_max) { 15771e8d13b0SVasanthakumar Thiagarajan ath6kl_err("Invalid interface to bring up P2P\n"); 15781e8d13b0SVasanthakumar Thiagarajan return -EINVAL; 15791e8d13b0SVasanthakumar Thiagarajan } 15801e8d13b0SVasanthakumar Thiagarajan } 15811e8d13b0SVasanthakumar Thiagarajan 1582c422d52dSThomas Pedersen /* need to clean up enhanced bmiss detection fw state */ 1583c422d52dSThomas Pedersen ath6kl_cfg80211_sta_bmiss_enhance(vif, false); 1584c422d52dSThomas Pedersen 15851e8d13b0SVasanthakumar Thiagarajan set_iface_type: 1586bdcd8170SKalle Valo switch (type) { 1587bdcd8170SKalle Valo case NL80211_IFTYPE_STATION: 15888aa659d2SMohammed Shafi Shajakhan case NL80211_IFTYPE_P2P_CLIENT: 1589f5938f24SVasanthakumar Thiagarajan vif->next_mode = INFRA_NETWORK; 1590bdcd8170SKalle Valo break; 1591bdcd8170SKalle Valo case NL80211_IFTYPE_ADHOC: 1592f5938f24SVasanthakumar Thiagarajan vif->next_mode = ADHOC_NETWORK; 1593bdcd8170SKalle Valo break; 15946e4604c8SJouni Malinen case NL80211_IFTYPE_AP: 15956b5e5d25SJouni Malinen case NL80211_IFTYPE_P2P_GO: 1596f5938f24SVasanthakumar Thiagarajan vif->next_mode = AP_NETWORK; 15976b5e5d25SJouni Malinen break; 1598bdcd8170SKalle Valo default: 1599bdcd8170SKalle Valo ath6kl_err("invalid interface type %u\n", type); 1600bdcd8170SKalle Valo return -EOPNOTSUPP; 1601bdcd8170SKalle Valo } 1602bdcd8170SKalle Valo 1603551959d8SVasanthakumar Thiagarajan vif->wdev.iftype = type; 1604bdcd8170SKalle Valo 1605bdcd8170SKalle Valo return 0; 1606bdcd8170SKalle Valo } 1607bdcd8170SKalle Valo 1608bdcd8170SKalle Valo static int ath6kl_cfg80211_join_ibss(struct wiphy *wiphy, 1609bdcd8170SKalle Valo struct net_device *dev, 1610bdcd8170SKalle Valo struct cfg80211_ibss_params *ibss_param) 1611bdcd8170SKalle Valo { 1612bdcd8170SKalle Valo struct ath6kl *ar = ath6kl_priv(dev); 161359c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 1614bdcd8170SKalle Valo int status; 1615bdcd8170SKalle Valo 1616990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1617bdcd8170SKalle Valo return -EIO; 1618bdcd8170SKalle Valo 16193450334fSVasanthakumar Thiagarajan vif->ssid_len = ibss_param->ssid_len; 16203450334fSVasanthakumar Thiagarajan memcpy(vif->ssid, ibss_param->ssid, vif->ssid_len); 1621bdcd8170SKalle Valo 1622683b6d3bSJohannes Berg if (ibss_param->chandef.chan) 1623683b6d3bSJohannes Berg vif->ch_hint = ibss_param->chandef.chan->center_freq; 1624bdcd8170SKalle Valo 1625bdcd8170SKalle Valo if (ibss_param->channel_fixed) { 1626bdcd8170SKalle Valo /* 1627bdcd8170SKalle Valo * TODO: channel_fixed: The channel should be fixed, do not 1628bdcd8170SKalle Valo * search for IBSSs to join on other channels. Target 1629bdcd8170SKalle Valo * firmware does not support this feature, needs to be 1630bdcd8170SKalle Valo * updated. 1631bdcd8170SKalle Valo */ 1632bdcd8170SKalle Valo return -EOPNOTSUPP; 1633bdcd8170SKalle Valo } 1634bdcd8170SKalle Valo 16358c8b65e3SVasanthakumar Thiagarajan memset(vif->req_bssid, 0, sizeof(vif->req_bssid)); 1636bdcd8170SKalle Valo if (ibss_param->bssid && !is_broadcast_ether_addr(ibss_param->bssid)) 16378c8b65e3SVasanthakumar Thiagarajan memcpy(vif->req_bssid, ibss_param->bssid, 16388c8b65e3SVasanthakumar Thiagarajan sizeof(vif->req_bssid)); 1639bdcd8170SKalle Valo 1640240d2799SVasanthakumar Thiagarajan ath6kl_set_wpa_version(vif, 0); 1641bdcd8170SKalle Valo 1642240d2799SVasanthakumar Thiagarajan status = ath6kl_set_auth_type(vif, NL80211_AUTHTYPE_OPEN_SYSTEM); 1643bdcd8170SKalle Valo if (status) 1644bdcd8170SKalle Valo return status; 1645bdcd8170SKalle Valo 1646bdcd8170SKalle Valo if (ibss_param->privacy) { 1647240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, WLAN_CIPHER_SUITE_WEP40, true); 1648240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, WLAN_CIPHER_SUITE_WEP40, false); 1649bdcd8170SKalle Valo } else { 1650240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, 0, true); 1651240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, 0, false); 1652bdcd8170SKalle Valo } 1653bdcd8170SKalle Valo 1654f5938f24SVasanthakumar Thiagarajan vif->nw_type = vif->next_mode; 1655bdcd8170SKalle Valo 1656bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1657bdcd8170SKalle Valo "%s: connect called with authmode %d dot11 auth %d" 1658bdcd8170SKalle Valo " PW crypto %d PW crypto len %d GRP crypto %d" 1659bdcd8170SKalle Valo " GRP crypto len %d channel hint %u\n", 1660bdcd8170SKalle Valo __func__, 16613450334fSVasanthakumar Thiagarajan vif->auth_mode, vif->dot11_auth_mode, vif->prwise_crypto, 16623450334fSVasanthakumar Thiagarajan vif->prwise_crypto_len, vif->grp_crypto, 1663f74bac54SVasanthakumar Thiagarajan vif->grp_crypto_len, vif->ch_hint); 1664bdcd8170SKalle Valo 1665334234b5SVasanthakumar Thiagarajan status = ath6kl_wmi_connect_cmd(ar->wmi, vif->fw_vif_idx, vif->nw_type, 16663450334fSVasanthakumar Thiagarajan vif->dot11_auth_mode, vif->auth_mode, 16673450334fSVasanthakumar Thiagarajan vif->prwise_crypto, 16683450334fSVasanthakumar Thiagarajan vif->prwise_crypto_len, 16693450334fSVasanthakumar Thiagarajan vif->grp_crypto, vif->grp_crypto_len, 16703450334fSVasanthakumar Thiagarajan vif->ssid_len, vif->ssid, 1671f74bac54SVasanthakumar Thiagarajan vif->req_bssid, vif->ch_hint, 16723ca9d1fcSAarthi Thiruvengadam ar->connect_ctrl_flags, SUBTYPE_NONE); 167359c98449SVasanthakumar Thiagarajan set_bit(CONNECT_PEND, &vif->flags); 1674bdcd8170SKalle Valo 1675bdcd8170SKalle Valo return 0; 1676bdcd8170SKalle Valo } 1677bdcd8170SKalle Valo 1678bdcd8170SKalle Valo static int ath6kl_cfg80211_leave_ibss(struct wiphy *wiphy, 1679bdcd8170SKalle Valo struct net_device *dev) 1680bdcd8170SKalle Valo { 16813450334fSVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 1682bdcd8170SKalle Valo 1683990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1684bdcd8170SKalle Valo return -EIO; 1685bdcd8170SKalle Valo 1686240d2799SVasanthakumar Thiagarajan ath6kl_disconnect(vif); 16873450334fSVasanthakumar Thiagarajan memset(vif->ssid, 0, sizeof(vif->ssid)); 16883450334fSVasanthakumar Thiagarajan vif->ssid_len = 0; 1689bdcd8170SKalle Valo 1690bdcd8170SKalle Valo return 0; 1691bdcd8170SKalle Valo } 1692bdcd8170SKalle Valo 1693bdcd8170SKalle Valo static const u32 cipher_suites[] = { 1694bdcd8170SKalle Valo WLAN_CIPHER_SUITE_WEP40, 1695bdcd8170SKalle Valo WLAN_CIPHER_SUITE_WEP104, 1696bdcd8170SKalle Valo WLAN_CIPHER_SUITE_TKIP, 1697bdcd8170SKalle Valo WLAN_CIPHER_SUITE_CCMP, 1698837cb97eSJouni Malinen CCKM_KRK_CIPHER_SUITE, 16995e07021eSDai Shuibing WLAN_CIPHER_SUITE_SMS4, 1700bdcd8170SKalle Valo }; 1701bdcd8170SKalle Valo 1702bdcd8170SKalle Valo static bool is_rate_legacy(s32 rate) 1703bdcd8170SKalle Valo { 1704bdcd8170SKalle Valo static const s32 legacy[] = { 1000, 2000, 5500, 11000, 1705bdcd8170SKalle Valo 6000, 9000, 12000, 18000, 24000, 1706bdcd8170SKalle Valo 36000, 48000, 54000 1707bdcd8170SKalle Valo }; 1708bdcd8170SKalle Valo u8 i; 1709bdcd8170SKalle Valo 1710bdcd8170SKalle Valo for (i = 0; i < ARRAY_SIZE(legacy); i++) 1711bdcd8170SKalle Valo if (rate == legacy[i]) 1712bdcd8170SKalle Valo return true; 1713bdcd8170SKalle Valo 1714bdcd8170SKalle Valo return false; 1715bdcd8170SKalle Valo } 1716bdcd8170SKalle Valo 1717bdcd8170SKalle Valo static bool is_rate_ht20(s32 rate, u8 *mcs, bool *sgi) 1718bdcd8170SKalle Valo { 1719bdcd8170SKalle Valo static const s32 ht20[] = { 6500, 13000, 19500, 26000, 39000, 1720bdcd8170SKalle Valo 52000, 58500, 65000, 72200 1721bdcd8170SKalle Valo }; 1722bdcd8170SKalle Valo u8 i; 1723bdcd8170SKalle Valo 1724bdcd8170SKalle Valo for (i = 0; i < ARRAY_SIZE(ht20); i++) { 1725bdcd8170SKalle Valo if (rate == ht20[i]) { 1726bdcd8170SKalle Valo if (i == ARRAY_SIZE(ht20) - 1) 1727bdcd8170SKalle Valo /* last rate uses sgi */ 1728bdcd8170SKalle Valo *sgi = true; 1729bdcd8170SKalle Valo else 1730bdcd8170SKalle Valo *sgi = false; 1731bdcd8170SKalle Valo 1732bdcd8170SKalle Valo *mcs = i; 1733bdcd8170SKalle Valo return true; 1734bdcd8170SKalle Valo } 1735bdcd8170SKalle Valo } 1736bdcd8170SKalle Valo return false; 1737bdcd8170SKalle Valo } 1738bdcd8170SKalle Valo 1739bdcd8170SKalle Valo static bool is_rate_ht40(s32 rate, u8 *mcs, bool *sgi) 1740bdcd8170SKalle Valo { 1741bdcd8170SKalle Valo static const s32 ht40[] = { 13500, 27000, 40500, 54000, 1742bdcd8170SKalle Valo 81000, 108000, 121500, 135000, 1743bdcd8170SKalle Valo 150000 1744bdcd8170SKalle Valo }; 1745bdcd8170SKalle Valo u8 i; 1746bdcd8170SKalle Valo 1747bdcd8170SKalle Valo for (i = 0; i < ARRAY_SIZE(ht40); i++) { 1748bdcd8170SKalle Valo if (rate == ht40[i]) { 1749bdcd8170SKalle Valo if (i == ARRAY_SIZE(ht40) - 1) 1750bdcd8170SKalle Valo /* last rate uses sgi */ 1751bdcd8170SKalle Valo *sgi = true; 1752bdcd8170SKalle Valo else 1753bdcd8170SKalle Valo *sgi = false; 1754bdcd8170SKalle Valo 1755bdcd8170SKalle Valo *mcs = i; 1756bdcd8170SKalle Valo return true; 1757bdcd8170SKalle Valo } 1758bdcd8170SKalle Valo } 1759bdcd8170SKalle Valo 1760bdcd8170SKalle Valo return false; 1761bdcd8170SKalle Valo } 1762bdcd8170SKalle Valo 1763bdcd8170SKalle Valo static int ath6kl_get_station(struct wiphy *wiphy, struct net_device *dev, 1764bdcd8170SKalle Valo u8 *mac, struct station_info *sinfo) 1765bdcd8170SKalle Valo { 1766bdcd8170SKalle Valo struct ath6kl *ar = ath6kl_priv(dev); 176759c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 1768bdcd8170SKalle Valo long left; 1769bdcd8170SKalle Valo bool sgi; 1770bdcd8170SKalle Valo s32 rate; 1771bdcd8170SKalle Valo int ret; 1772bdcd8170SKalle Valo u8 mcs; 1773bdcd8170SKalle Valo 17748c8b65e3SVasanthakumar Thiagarajan if (memcmp(mac, vif->bssid, ETH_ALEN) != 0) 1775bdcd8170SKalle Valo return -ENOENT; 1776bdcd8170SKalle Valo 1777bdcd8170SKalle Valo if (down_interruptible(&ar->sem)) 1778bdcd8170SKalle Valo return -EBUSY; 1779bdcd8170SKalle Valo 1780b95907a7SVasanthakumar Thiagarajan set_bit(STATS_UPDATE_PEND, &vif->flags); 1781bdcd8170SKalle Valo 1782334234b5SVasanthakumar Thiagarajan ret = ath6kl_wmi_get_stats_cmd(ar->wmi, vif->fw_vif_idx); 1783bdcd8170SKalle Valo 1784bdcd8170SKalle Valo if (ret != 0) { 1785bdcd8170SKalle Valo up(&ar->sem); 1786bdcd8170SKalle Valo return -EIO; 1787bdcd8170SKalle Valo } 1788bdcd8170SKalle Valo 1789bdcd8170SKalle Valo left = wait_event_interruptible_timeout(ar->event_wq, 1790bdcd8170SKalle Valo !test_bit(STATS_UPDATE_PEND, 1791b95907a7SVasanthakumar Thiagarajan &vif->flags), 1792bdcd8170SKalle Valo WMI_TIMEOUT); 1793bdcd8170SKalle Valo 1794bdcd8170SKalle Valo up(&ar->sem); 1795bdcd8170SKalle Valo 1796bdcd8170SKalle Valo if (left == 0) 1797bdcd8170SKalle Valo return -ETIMEDOUT; 1798bdcd8170SKalle Valo else if (left < 0) 1799bdcd8170SKalle Valo return left; 1800bdcd8170SKalle Valo 1801b95907a7SVasanthakumar Thiagarajan if (vif->target_stats.rx_byte) { 1802b95907a7SVasanthakumar Thiagarajan sinfo->rx_bytes = vif->target_stats.rx_byte; 18038457703fSVladimir Kondratiev sinfo->filled |= STATION_INFO_RX_BYTES64; 1804b95907a7SVasanthakumar Thiagarajan sinfo->rx_packets = vif->target_stats.rx_pkt; 1805bdcd8170SKalle Valo sinfo->filled |= STATION_INFO_RX_PACKETS; 1806bdcd8170SKalle Valo } 1807bdcd8170SKalle Valo 1808b95907a7SVasanthakumar Thiagarajan if (vif->target_stats.tx_byte) { 1809b95907a7SVasanthakumar Thiagarajan sinfo->tx_bytes = vif->target_stats.tx_byte; 18108457703fSVladimir Kondratiev sinfo->filled |= STATION_INFO_TX_BYTES64; 1811b95907a7SVasanthakumar Thiagarajan sinfo->tx_packets = vif->target_stats.tx_pkt; 1812bdcd8170SKalle Valo sinfo->filled |= STATION_INFO_TX_PACKETS; 1813bdcd8170SKalle Valo } 1814bdcd8170SKalle Valo 1815b95907a7SVasanthakumar Thiagarajan sinfo->signal = vif->target_stats.cs_rssi; 1816bdcd8170SKalle Valo sinfo->filled |= STATION_INFO_SIGNAL; 1817bdcd8170SKalle Valo 1818b95907a7SVasanthakumar Thiagarajan rate = vif->target_stats.tx_ucast_rate; 1819bdcd8170SKalle Valo 1820bdcd8170SKalle Valo if (is_rate_legacy(rate)) { 1821bdcd8170SKalle Valo sinfo->txrate.legacy = rate / 100; 1822bdcd8170SKalle Valo } else if (is_rate_ht20(rate, &mcs, &sgi)) { 1823bdcd8170SKalle Valo if (sgi) { 1824bdcd8170SKalle Valo sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI; 1825bdcd8170SKalle Valo sinfo->txrate.mcs = mcs - 1; 1826bdcd8170SKalle Valo } else { 1827bdcd8170SKalle Valo sinfo->txrate.mcs = mcs; 1828bdcd8170SKalle Valo } 1829bdcd8170SKalle Valo 1830bdcd8170SKalle Valo sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS; 1831bdcd8170SKalle Valo } else if (is_rate_ht40(rate, &mcs, &sgi)) { 1832bdcd8170SKalle Valo if (sgi) { 1833bdcd8170SKalle Valo sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI; 1834bdcd8170SKalle Valo sinfo->txrate.mcs = mcs - 1; 1835bdcd8170SKalle Valo } else { 1836bdcd8170SKalle Valo sinfo->txrate.mcs = mcs; 1837bdcd8170SKalle Valo } 1838bdcd8170SKalle Valo 1839bdcd8170SKalle Valo sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH; 1840bdcd8170SKalle Valo sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS; 1841bdcd8170SKalle Valo } else { 18429a730834SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 18439a730834SKalle Valo "invalid rate from stats: %d\n", rate); 18449a730834SKalle Valo ath6kl_debug_war(ar, ATH6KL_WAR_INVALID_RATE); 1845bdcd8170SKalle Valo return 0; 1846bdcd8170SKalle Valo } 1847bdcd8170SKalle Valo 1848bdcd8170SKalle Valo sinfo->filled |= STATION_INFO_TX_BITRATE; 1849bdcd8170SKalle Valo 185059c98449SVasanthakumar Thiagarajan if (test_bit(CONNECTED, &vif->flags) && 185159c98449SVasanthakumar Thiagarajan test_bit(DTIM_PERIOD_AVAIL, &vif->flags) && 1852f5938f24SVasanthakumar Thiagarajan vif->nw_type == INFRA_NETWORK) { 185332c10874SJouni Malinen sinfo->filled |= STATION_INFO_BSS_PARAM; 185432c10874SJouni Malinen sinfo->bss_param.flags = 0; 1855cf5333d7SVasanthakumar Thiagarajan sinfo->bss_param.dtim_period = vif->assoc_bss_dtim_period; 1856cf5333d7SVasanthakumar Thiagarajan sinfo->bss_param.beacon_interval = vif->assoc_bss_beacon_int; 185732c10874SJouni Malinen } 185832c10874SJouni Malinen 1859bdcd8170SKalle Valo return 0; 1860bdcd8170SKalle Valo } 1861bdcd8170SKalle Valo 1862bdcd8170SKalle Valo static int ath6kl_set_pmksa(struct wiphy *wiphy, struct net_device *netdev, 1863bdcd8170SKalle Valo struct cfg80211_pmksa *pmksa) 1864bdcd8170SKalle Valo { 1865bdcd8170SKalle Valo struct ath6kl *ar = ath6kl_priv(netdev); 1866334234b5SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(netdev); 1867334234b5SVasanthakumar Thiagarajan 1868334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_setpmkid_cmd(ar->wmi, vif->fw_vif_idx, pmksa->bssid, 1869bdcd8170SKalle Valo pmksa->pmkid, true); 1870bdcd8170SKalle Valo } 1871bdcd8170SKalle Valo 1872bdcd8170SKalle Valo static int ath6kl_del_pmksa(struct wiphy *wiphy, struct net_device *netdev, 1873bdcd8170SKalle Valo struct cfg80211_pmksa *pmksa) 1874bdcd8170SKalle Valo { 1875bdcd8170SKalle Valo struct ath6kl *ar = ath6kl_priv(netdev); 1876334234b5SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(netdev); 1877334234b5SVasanthakumar Thiagarajan 1878334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_setpmkid_cmd(ar->wmi, vif->fw_vif_idx, pmksa->bssid, 1879bdcd8170SKalle Valo pmksa->pmkid, false); 1880bdcd8170SKalle Valo } 1881bdcd8170SKalle Valo 1882bdcd8170SKalle Valo static int ath6kl_flush_pmksa(struct wiphy *wiphy, struct net_device *netdev) 1883bdcd8170SKalle Valo { 1884bdcd8170SKalle Valo struct ath6kl *ar = ath6kl_priv(netdev); 188559c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(netdev); 188659c98449SVasanthakumar Thiagarajan 188759c98449SVasanthakumar Thiagarajan if (test_bit(CONNECTED, &vif->flags)) 1888334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_setpmkid_cmd(ar->wmi, vif->fw_vif_idx, 1889334234b5SVasanthakumar Thiagarajan vif->bssid, NULL, false); 1890bdcd8170SKalle Valo return 0; 1891bdcd8170SKalle Valo } 1892bdcd8170SKalle Valo 1893d91e8eeeSRaja Mani static int ath6kl_wow_usr(struct ath6kl *ar, struct ath6kl_vif *vif, 1894d91e8eeeSRaja Mani struct cfg80211_wowlan *wow, u32 *filter) 18956cb3c714SRaja Mani { 1896d91e8eeeSRaja Mani int ret, pos; 18972c07cf44SThomas Pedersen u8 mask[WOW_PATTERN_SIZE]; 18986cb3c714SRaja Mani u16 i; 18996cb3c714SRaja Mani 1900d91e8eeeSRaja Mani /* Configure the patterns that we received from the user. */ 19016cb3c714SRaja Mani for (i = 0; i < wow->n_patterns; i++) { 19026cb3c714SRaja Mani 19036cb3c714SRaja Mani /* 19046cb3c714SRaja Mani * Convert given nl80211 specific mask value to equivalent 19056cb3c714SRaja Mani * driver specific mask value and send it to the chip along 19066cb3c714SRaja Mani * with patterns. For example, If the mask value defined in 19076cb3c714SRaja Mani * struct cfg80211_wowlan is 0xA (equivalent binary is 1010), 19086cb3c714SRaja Mani * then equivalent driver specific mask value is 19096cb3c714SRaja Mani * "0xFF 0x00 0xFF 0x00". 19106cb3c714SRaja Mani */ 19116cb3c714SRaja Mani memset(&mask, 0, sizeof(mask)); 19126cb3c714SRaja Mani for (pos = 0; pos < wow->patterns[i].pattern_len; pos++) { 19136cb3c714SRaja Mani if (wow->patterns[i].mask[pos / 8] & (0x1 << (pos % 8))) 19146cb3c714SRaja Mani mask[pos] = 0xFF; 19156cb3c714SRaja Mani } 19166cb3c714SRaja Mani /* 19176cb3c714SRaja Mani * Note: Pattern's offset is not passed as part of wowlan 19186cb3c714SRaja Mani * parameter from CFG layer. So it's always passed as ZERO 19196cb3c714SRaja Mani * to the firmware. It means, given WOW patterns are always 19206cb3c714SRaja Mani * matched from the first byte of received pkt in the firmware. 19216cb3c714SRaja Mani */ 19226cb3c714SRaja Mani ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, 19236cb3c714SRaja Mani vif->fw_vif_idx, WOW_LIST_ID, 19246cb3c714SRaja Mani wow->patterns[i].pattern_len, 19256cb3c714SRaja Mani 0 /* pattern offset */, 19266cb3c714SRaja Mani wow->patterns[i].pattern, mask); 19276cb3c714SRaja Mani if (ret) 19286cb3c714SRaja Mani return ret; 19296cb3c714SRaja Mani } 19306cb3c714SRaja Mani 1931d91e8eeeSRaja Mani if (wow->disconnect) 1932d91e8eeeSRaja Mani *filter |= WOW_FILTER_OPTION_NWK_DISASSOC; 1933d91e8eeeSRaja Mani 1934d91e8eeeSRaja Mani if (wow->magic_pkt) 1935d91e8eeeSRaja Mani *filter |= WOW_FILTER_OPTION_MAGIC_PACKET; 1936d91e8eeeSRaja Mani 1937d91e8eeeSRaja Mani if (wow->gtk_rekey_failure) 1938d91e8eeeSRaja Mani *filter |= WOW_FILTER_OPTION_GTK_ERROR; 1939d91e8eeeSRaja Mani 1940d91e8eeeSRaja Mani if (wow->eap_identity_req) 1941d91e8eeeSRaja Mani *filter |= WOW_FILTER_OPTION_EAP_REQ; 1942d91e8eeeSRaja Mani 1943d91e8eeeSRaja Mani if (wow->four_way_handshake) 1944d91e8eeeSRaja Mani *filter |= WOW_FILTER_OPTION_8021X_4WAYHS; 1945d91e8eeeSRaja Mani 1946d91e8eeeSRaja Mani return 0; 1947d91e8eeeSRaja Mani } 1948d91e8eeeSRaja Mani 1949d91e8eeeSRaja Mani static int ath6kl_wow_ap(struct ath6kl *ar, struct ath6kl_vif *vif) 1950d91e8eeeSRaja Mani { 1951d91e8eeeSRaja Mani static const u8 unicst_pattern[] = { 0x00, 0x00, 0x00, 1952d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1953d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1954d91e8eeeSRaja Mani 0x00, 0x08 }; 1955d91e8eeeSRaja Mani static const u8 unicst_mask[] = { 0x01, 0x00, 0x00, 1956d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1957d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1958d91e8eeeSRaja Mani 0x00, 0x7f }; 1959d91e8eeeSRaja Mani u8 unicst_offset = 0; 1960d91e8eeeSRaja Mani static const u8 arp_pattern[] = { 0x08, 0x06 }; 1961d91e8eeeSRaja Mani static const u8 arp_mask[] = { 0xff, 0xff }; 1962d91e8eeeSRaja Mani u8 arp_offset = 20; 1963d91e8eeeSRaja Mani static const u8 discvr_pattern[] = { 0xe0, 0x00, 0x00, 0xf8 }; 1964d91e8eeeSRaja Mani static const u8 discvr_mask[] = { 0xf0, 0x00, 0x00, 0xf8 }; 1965d91e8eeeSRaja Mani u8 discvr_offset = 38; 1966d91e8eeeSRaja Mani static const u8 dhcp_pattern[] = { 0xff, 0xff, 0xff, 0xff, 1967d91e8eeeSRaja Mani 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1968d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 1969d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1970d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1971d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x43 /* port 67 */ }; 1972d91e8eeeSRaja Mani static const u8 dhcp_mask[] = { 0xff, 0xff, 0xff, 0xff, 1973d91e8eeeSRaja Mani 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1974d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 1975d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1976d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1977d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0xff, 0xff /* port 67 */ }; 1978d91e8eeeSRaja Mani u8 dhcp_offset = 0; 1979d91e8eeeSRaja Mani int ret; 1980d91e8eeeSRaja Mani 1981d91e8eeeSRaja Mani /* Setup unicast IP, EAPOL-like and ARP pkt pattern */ 1982d91e8eeeSRaja Mani ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, 1983d91e8eeeSRaja Mani vif->fw_vif_idx, WOW_LIST_ID, 1984d91e8eeeSRaja Mani sizeof(unicst_pattern), unicst_offset, 1985d91e8eeeSRaja Mani unicst_pattern, unicst_mask); 1986d91e8eeeSRaja Mani if (ret) { 1987d91e8eeeSRaja Mani ath6kl_err("failed to add WOW unicast IP pattern\n"); 1988d91e8eeeSRaja Mani return ret; 1989d91e8eeeSRaja Mani } 1990d91e8eeeSRaja Mani 1991d91e8eeeSRaja Mani /* Setup all ARP pkt pattern */ 1992d91e8eeeSRaja Mani ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, 1993d91e8eeeSRaja Mani vif->fw_vif_idx, WOW_LIST_ID, 1994d91e8eeeSRaja Mani sizeof(arp_pattern), arp_offset, 1995d91e8eeeSRaja Mani arp_pattern, arp_mask); 1996d91e8eeeSRaja Mani if (ret) { 1997d91e8eeeSRaja Mani ath6kl_err("failed to add WOW ARP pattern\n"); 1998d91e8eeeSRaja Mani return ret; 1999d91e8eeeSRaja Mani } 2000d91e8eeeSRaja Mani 2001d91e8eeeSRaja Mani /* 2002d91e8eeeSRaja Mani * Setup multicast pattern for mDNS 224.0.0.251, 2003d91e8eeeSRaja Mani * SSDP 239.255.255.250 and LLMNR 224.0.0.252 2004d91e8eeeSRaja Mani */ 2005d91e8eeeSRaja Mani ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, 2006d91e8eeeSRaja Mani vif->fw_vif_idx, WOW_LIST_ID, 2007d91e8eeeSRaja Mani sizeof(discvr_pattern), discvr_offset, 2008d91e8eeeSRaja Mani discvr_pattern, discvr_mask); 2009d91e8eeeSRaja Mani if (ret) { 2010d91e8eeeSRaja Mani ath6kl_err("failed to add WOW mDNS/SSDP/LLMNR pattern\n"); 2011d91e8eeeSRaja Mani return ret; 2012d91e8eeeSRaja Mani } 2013d91e8eeeSRaja Mani 2014d91e8eeeSRaja Mani /* Setup all DHCP broadcast pkt pattern */ 2015d91e8eeeSRaja Mani ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, 2016d91e8eeeSRaja Mani vif->fw_vif_idx, WOW_LIST_ID, 2017d91e8eeeSRaja Mani sizeof(dhcp_pattern), dhcp_offset, 2018d91e8eeeSRaja Mani dhcp_pattern, dhcp_mask); 2019d91e8eeeSRaja Mani if (ret) { 2020d91e8eeeSRaja Mani ath6kl_err("failed to add WOW DHCP broadcast pattern\n"); 2021d91e8eeeSRaja Mani return ret; 2022d91e8eeeSRaja Mani } 2023d91e8eeeSRaja Mani 2024d91e8eeeSRaja Mani return 0; 2025d91e8eeeSRaja Mani } 2026d91e8eeeSRaja Mani 2027d91e8eeeSRaja Mani static int ath6kl_wow_sta(struct ath6kl *ar, struct ath6kl_vif *vif) 2028d91e8eeeSRaja Mani { 2029d91e8eeeSRaja Mani struct net_device *ndev = vif->ndev; 2030d91e8eeeSRaja Mani static const u8 discvr_pattern[] = { 0xe0, 0x00, 0x00, 0xf8 }; 2031d91e8eeeSRaja Mani static const u8 discvr_mask[] = { 0xf0, 0x00, 0x00, 0xf8 }; 2032d91e8eeeSRaja Mani u8 discvr_offset = 38; 2033d91e8eeeSRaja Mani u8 mac_mask[ETH_ALEN]; 2034d91e8eeeSRaja Mani int ret; 2035d91e8eeeSRaja Mani 2036d91e8eeeSRaja Mani /* Setup unicast pkt pattern */ 2037d91e8eeeSRaja Mani memset(mac_mask, 0xff, ETH_ALEN); 2038d91e8eeeSRaja Mani ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, 2039d91e8eeeSRaja Mani vif->fw_vif_idx, WOW_LIST_ID, 2040d91e8eeeSRaja Mani ETH_ALEN, 0, ndev->dev_addr, 2041d91e8eeeSRaja Mani mac_mask); 2042d91e8eeeSRaja Mani if (ret) { 2043d91e8eeeSRaja Mani ath6kl_err("failed to add WOW unicast pattern\n"); 2044d91e8eeeSRaja Mani return ret; 2045d91e8eeeSRaja Mani } 2046d91e8eeeSRaja Mani 2047d91e8eeeSRaja Mani /* 2048d91e8eeeSRaja Mani * Setup multicast pattern for mDNS 224.0.0.251, 2049d91e8eeeSRaja Mani * SSDP 239.255.255.250 and LLMNR 224.0.0.252 2050d91e8eeeSRaja Mani */ 2051d91e8eeeSRaja Mani if ((ndev->flags & IFF_ALLMULTI) || 2052d91e8eeeSRaja Mani (ndev->flags & IFF_MULTICAST && netdev_mc_count(ndev) > 0)) { 2053d91e8eeeSRaja Mani ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, 2054d91e8eeeSRaja Mani vif->fw_vif_idx, WOW_LIST_ID, 2055d91e8eeeSRaja Mani sizeof(discvr_pattern), discvr_offset, 2056d91e8eeeSRaja Mani discvr_pattern, discvr_mask); 2057d91e8eeeSRaja Mani if (ret) { 2058cdeb8602SKalle Valo ath6kl_err("failed to add WOW mDNS/SSDP/LLMNR pattern\n"); 2059d91e8eeeSRaja Mani return ret; 2060d91e8eeeSRaja Mani } 2061d91e8eeeSRaja Mani } 2062d91e8eeeSRaja Mani 2063d91e8eeeSRaja Mani return 0; 2064d91e8eeeSRaja Mani } 2065d91e8eeeSRaja Mani 2066055bde49SRaja Mani static int is_hsleep_mode_procsed(struct ath6kl_vif *vif) 2067055bde49SRaja Mani { 2068055bde49SRaja Mani return test_bit(HOST_SLEEP_MODE_CMD_PROCESSED, &vif->flags); 2069055bde49SRaja Mani } 2070055bde49SRaja Mani 2071055bde49SRaja Mani static bool is_ctrl_ep_empty(struct ath6kl *ar) 2072055bde49SRaja Mani { 2073055bde49SRaja Mani return !ar->tx_pending[ar->ctrl_ep]; 2074055bde49SRaja Mani } 2075055bde49SRaja Mani 2076055bde49SRaja Mani static int ath6kl_cfg80211_host_sleep(struct ath6kl *ar, struct ath6kl_vif *vif) 2077055bde49SRaja Mani { 2078055bde49SRaja Mani int ret, left; 2079055bde49SRaja Mani 2080055bde49SRaja Mani clear_bit(HOST_SLEEP_MODE_CMD_PROCESSED, &vif->flags); 2081055bde49SRaja Mani 2082055bde49SRaja Mani ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx, 2083055bde49SRaja Mani ATH6KL_HOST_MODE_ASLEEP); 2084055bde49SRaja Mani if (ret) 2085055bde49SRaja Mani return ret; 2086055bde49SRaja Mani 2087055bde49SRaja Mani left = wait_event_interruptible_timeout(ar->event_wq, 2088055bde49SRaja Mani is_hsleep_mode_procsed(vif), 2089055bde49SRaja Mani WMI_TIMEOUT); 2090055bde49SRaja Mani if (left == 0) { 2091055bde49SRaja Mani ath6kl_warn("timeout, didn't get host sleep cmd processed event\n"); 2092055bde49SRaja Mani ret = -ETIMEDOUT; 2093055bde49SRaja Mani } else if (left < 0) { 2094055bde49SRaja Mani ath6kl_warn("error while waiting for host sleep cmd processed event %d\n", 2095055bde49SRaja Mani left); 2096055bde49SRaja Mani ret = left; 2097055bde49SRaja Mani } 2098055bde49SRaja Mani 2099055bde49SRaja Mani if (ar->tx_pending[ar->ctrl_ep]) { 2100055bde49SRaja Mani left = wait_event_interruptible_timeout(ar->event_wq, 2101055bde49SRaja Mani is_ctrl_ep_empty(ar), 2102055bde49SRaja Mani WMI_TIMEOUT); 2103055bde49SRaja Mani if (left == 0) { 2104055bde49SRaja Mani ath6kl_warn("clear wmi ctrl data timeout\n"); 2105055bde49SRaja Mani ret = -ETIMEDOUT; 2106055bde49SRaja Mani } else if (left < 0) { 2107055bde49SRaja Mani ath6kl_warn("clear wmi ctrl data failed: %d\n", left); 2108055bde49SRaja Mani ret = left; 2109055bde49SRaja Mani } 2110055bde49SRaja Mani } 2111055bde49SRaja Mani 2112055bde49SRaja Mani return ret; 2113055bde49SRaja Mani } 2114055bde49SRaja Mani 2115fd4377b6SThomas Pedersen static int ath6kl_wow_suspend_vif(struct ath6kl_vif *vif, 2116fd4377b6SThomas Pedersen struct cfg80211_wowlan *wow, u32 *filter) 2117d91e8eeeSRaja Mani { 2118fd4377b6SThomas Pedersen struct ath6kl *ar = vif->ar; 2119d91e8eeeSRaja Mani struct in_device *in_dev; 2120d91e8eeeSRaja Mani struct in_ifaddr *ifa; 2121055bde49SRaja Mani int ret; 2122ce0dc0cfSRaja Mani u16 i, bmiss_time; 2123d91e8eeeSRaja Mani __be32 ips[MAX_IP_ADDRS]; 2124fd4377b6SThomas Pedersen u8 index = 0; 2125d91e8eeeSRaja Mani 21266821d4f0SNaveen Gangadharan if (!test_bit(NETDEV_MCAST_ALL_ON, &vif->flags) && 21276821d4f0SNaveen Gangadharan test_bit(ATH6KL_FW_CAPABILITY_WOW_MULTICAST_FILTER, 21286821d4f0SNaveen Gangadharan ar->fw_capabilities)) { 21296251d801SNaveen Gangadharan ret = ath6kl_wmi_mcast_filter_cmd(vif->ar->wmi, 21306251d801SNaveen Gangadharan vif->fw_vif_idx, false); 21316251d801SNaveen Gangadharan if (ret) 21326251d801SNaveen Gangadharan return ret; 21336251d801SNaveen Gangadharan } 21346251d801SNaveen Gangadharan 2135d91e8eeeSRaja Mani /* Clear existing WOW patterns */ 2136d91e8eeeSRaja Mani for (i = 0; i < WOW_MAX_FILTERS_PER_LIST; i++) 2137d91e8eeeSRaja Mani ath6kl_wmi_del_wow_pattern_cmd(ar->wmi, vif->fw_vif_idx, 2138d91e8eeeSRaja Mani WOW_LIST_ID, i); 2139d91e8eeeSRaja Mani 2140d91e8eeeSRaja Mani /* 2141d91e8eeeSRaja Mani * Skip the default WOW pattern configuration 2142d91e8eeeSRaja Mani * if the driver receives any WOW patterns from 2143d91e8eeeSRaja Mani * the user. 2144d91e8eeeSRaja Mani */ 2145d91e8eeeSRaja Mani if (wow) 2146fd4377b6SThomas Pedersen ret = ath6kl_wow_usr(ar, vif, wow, filter); 2147d91e8eeeSRaja Mani else if (vif->nw_type == AP_NETWORK) 2148d91e8eeeSRaja Mani ret = ath6kl_wow_ap(ar, vif); 2149d91e8eeeSRaja Mani else 2150d91e8eeeSRaja Mani ret = ath6kl_wow_sta(ar, vif); 2151d91e8eeeSRaja Mani 2152d91e8eeeSRaja Mani if (ret) 2153d91e8eeeSRaja Mani return ret; 2154d91e8eeeSRaja Mani 2155390a8c8fSRaja Mani netif_stop_queue(vif->ndev); 2156390a8c8fSRaja Mani 2157ce0dc0cfSRaja Mani if (vif->nw_type != AP_NETWORK) { 2158ce0dc0cfSRaja Mani ret = ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx, 2159ce0dc0cfSRaja Mani ATH6KL_MAX_WOW_LISTEN_INTL, 2160ce0dc0cfSRaja Mani 0); 2161ce0dc0cfSRaja Mani if (ret) 2162ce0dc0cfSRaja Mani return ret; 2163ce0dc0cfSRaja Mani 2164ce0dc0cfSRaja Mani /* Set listen interval x 15 times as bmiss time */ 2165ce0dc0cfSRaja Mani bmiss_time = ATH6KL_MAX_WOW_LISTEN_INTL * 15; 2166ce0dc0cfSRaja Mani if (bmiss_time > ATH6KL_MAX_BMISS_TIME) 2167ce0dc0cfSRaja Mani bmiss_time = ATH6KL_MAX_BMISS_TIME; 2168ce0dc0cfSRaja Mani 2169ce0dc0cfSRaja Mani ret = ath6kl_wmi_bmisstime_cmd(ar->wmi, vif->fw_vif_idx, 2170ce0dc0cfSRaja Mani bmiss_time, 0); 2171ce0dc0cfSRaja Mani if (ret) 2172ce0dc0cfSRaja Mani return ret; 2173ce0dc0cfSRaja Mani 2174ce0dc0cfSRaja Mani ret = ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx, 2175ce0dc0cfSRaja Mani 0xFFFF, 0, 0xFFFF, 0, 0, 0, 2176ce0dc0cfSRaja Mani 0, 0, 0, 0); 2177ce0dc0cfSRaja Mani if (ret) 2178ce0dc0cfSRaja Mani return ret; 2179ce0dc0cfSRaja Mani } 2180ce0dc0cfSRaja Mani 2181c08631c6SRaja Mani /* Setup own IP addr for ARP agent. */ 2182c08631c6SRaja Mani in_dev = __in_dev_get_rtnl(vif->ndev); 2183c08631c6SRaja Mani if (!in_dev) 2184fd4377b6SThomas Pedersen return 0; 2185c08631c6SRaja Mani 2186c08631c6SRaja Mani ifa = in_dev->ifa_list; 2187c08631c6SRaja Mani memset(&ips, 0, sizeof(ips)); 2188c08631c6SRaja Mani 2189c08631c6SRaja Mani /* Configure IP addr only if IP address count < MAX_IP_ADDRS */ 2190c08631c6SRaja Mani while (index < MAX_IP_ADDRS && ifa) { 2191c08631c6SRaja Mani ips[index] = ifa->ifa_local; 2192c08631c6SRaja Mani ifa = ifa->ifa_next; 2193c08631c6SRaja Mani index++; 2194c08631c6SRaja Mani } 2195c08631c6SRaja Mani 2196c08631c6SRaja Mani if (ifa) { 2197c08631c6SRaja Mani ath6kl_err("total IP addr count is exceeding fw limit\n"); 2198c08631c6SRaja Mani return -EINVAL; 2199c08631c6SRaja Mani } 2200c08631c6SRaja Mani 2201c08631c6SRaja Mani ret = ath6kl_wmi_set_ip_cmd(ar->wmi, vif->fw_vif_idx, ips[0], ips[1]); 2202c08631c6SRaja Mani if (ret) { 2203c08631c6SRaja Mani ath6kl_err("fail to setup ip for arp agent\n"); 2204c08631c6SRaja Mani return ret; 2205c08631c6SRaja Mani } 2206c08631c6SRaja Mani 2207fd4377b6SThomas Pedersen return ret; 2208fd4377b6SThomas Pedersen } 2209fd4377b6SThomas Pedersen 2210fd4377b6SThomas Pedersen static int ath6kl_wow_suspend(struct ath6kl *ar, struct cfg80211_wowlan *wow) 2211fd4377b6SThomas Pedersen { 2212fd4377b6SThomas Pedersen struct ath6kl_vif *first_vif, *vif; 2213fd4377b6SThomas Pedersen int ret = 0; 2214fd4377b6SThomas Pedersen u32 filter = 0; 2215fd4377b6SThomas Pedersen bool connected = false; 2216fd4377b6SThomas Pedersen 2217fd4377b6SThomas Pedersen /* enter / leave wow suspend on first vif always */ 2218fd4377b6SThomas Pedersen first_vif = ath6kl_vif_first(ar); 2219fd4377b6SThomas Pedersen if (WARN_ON(unlikely(!first_vif)) || 2220fd4377b6SThomas Pedersen !ath6kl_cfg80211_ready(first_vif)) 2221fd4377b6SThomas Pedersen return -EIO; 2222fd4377b6SThomas Pedersen 2223fd4377b6SThomas Pedersen if (wow && (wow->n_patterns > WOW_MAX_FILTERS_PER_LIST)) 2224fd4377b6SThomas Pedersen return -EINVAL; 2225fd4377b6SThomas Pedersen 2226fd4377b6SThomas Pedersen /* install filters for each connected vif */ 2227fd4377b6SThomas Pedersen spin_lock_bh(&ar->list_lock); 2228fd4377b6SThomas Pedersen list_for_each_entry(vif, &ar->vif_list, list) { 2229fd4377b6SThomas Pedersen if (!test_bit(CONNECTED, &vif->flags) || 2230fd4377b6SThomas Pedersen !ath6kl_cfg80211_ready(vif)) 2231fd4377b6SThomas Pedersen continue; 2232fd4377b6SThomas Pedersen connected = true; 2233fd4377b6SThomas Pedersen 2234fd4377b6SThomas Pedersen ret = ath6kl_wow_suspend_vif(vif, wow, &filter); 2235fd4377b6SThomas Pedersen if (ret) 2236fd4377b6SThomas Pedersen break; 2237fd4377b6SThomas Pedersen } 2238fd4377b6SThomas Pedersen spin_unlock_bh(&ar->list_lock); 2239fd4377b6SThomas Pedersen 2240fd4377b6SThomas Pedersen if (!connected) 2241fd4377b6SThomas Pedersen return -ENOTCONN; 2242fd4377b6SThomas Pedersen else if (ret) 2243fd4377b6SThomas Pedersen return ret; 2244fd4377b6SThomas Pedersen 2245fd4377b6SThomas Pedersen ar->state = ATH6KL_STATE_SUSPENDING; 2246fd4377b6SThomas Pedersen 2247fd4377b6SThomas Pedersen ret = ath6kl_wmi_set_wow_mode_cmd(ar->wmi, first_vif->fw_vif_idx, 22486cb3c714SRaja Mani ATH6KL_WOW_MODE_ENABLE, 22496cb3c714SRaja Mani filter, 22506cb3c714SRaja Mani WOW_HOST_REQ_DELAY); 22516cb3c714SRaja Mani if (ret) 22526cb3c714SRaja Mani return ret; 22536cb3c714SRaja Mani 2254fd4377b6SThomas Pedersen return ath6kl_cfg80211_host_sleep(ar, first_vif); 22556cb3c714SRaja Mani } 22566cb3c714SRaja Mani 2257fd4377b6SThomas Pedersen static int ath6kl_wow_resume_vif(struct ath6kl_vif *vif) 22586cb3c714SRaja Mani { 2259fd4377b6SThomas Pedersen struct ath6kl *ar = vif->ar; 22606cb3c714SRaja Mani int ret; 22616cb3c714SRaja Mani 2262ce0dc0cfSRaja Mani if (vif->nw_type != AP_NETWORK) { 2263ce0dc0cfSRaja Mani ret = ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx, 2264ce0dc0cfSRaja Mani 0, 0, 0, 0, 0, 0, 3, 0, 0, 0); 2265ce0dc0cfSRaja Mani if (ret) 2266ce0dc0cfSRaja Mani return ret; 2267ce0dc0cfSRaja Mani 2268ce0dc0cfSRaja Mani ret = ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx, 2269ce0dc0cfSRaja Mani vif->listen_intvl_t, 0); 2270ce0dc0cfSRaja Mani if (ret) 2271ce0dc0cfSRaja Mani return ret; 2272ce0dc0cfSRaja Mani 2273ce0dc0cfSRaja Mani ret = ath6kl_wmi_bmisstime_cmd(ar->wmi, vif->fw_vif_idx, 2274ce0dc0cfSRaja Mani vif->bmiss_time_t, 0); 2275ce0dc0cfSRaja Mani if (ret) 2276ce0dc0cfSRaja Mani return ret; 2277ce0dc0cfSRaja Mani } 2278ce0dc0cfSRaja Mani 22796821d4f0SNaveen Gangadharan if (!test_bit(NETDEV_MCAST_ALL_OFF, &vif->flags) && 22806821d4f0SNaveen Gangadharan test_bit(ATH6KL_FW_CAPABILITY_WOW_MULTICAST_FILTER, 22816821d4f0SNaveen Gangadharan ar->fw_capabilities)) { 22826251d801SNaveen Gangadharan ret = ath6kl_wmi_mcast_filter_cmd(vif->ar->wmi, 22836251d801SNaveen Gangadharan vif->fw_vif_idx, true); 22846251d801SNaveen Gangadharan if (ret) 22856251d801SNaveen Gangadharan return ret; 22866251d801SNaveen Gangadharan } 22876251d801SNaveen Gangadharan 2288390a8c8fSRaja Mani netif_wake_queue(vif->ndev); 2289390a8c8fSRaja Mani 2290390a8c8fSRaja Mani return 0; 2291390a8c8fSRaja Mani } 2292390a8c8fSRaja Mani 2293fd4377b6SThomas Pedersen static int ath6kl_wow_resume(struct ath6kl *ar) 2294fd4377b6SThomas Pedersen { 2295fd4377b6SThomas Pedersen struct ath6kl_vif *vif; 2296fd4377b6SThomas Pedersen int ret; 2297fd4377b6SThomas Pedersen 2298fd4377b6SThomas Pedersen vif = ath6kl_vif_first(ar); 2299fd4377b6SThomas Pedersen if (WARN_ON(unlikely(!vif)) || 2300fd4377b6SThomas Pedersen !ath6kl_cfg80211_ready(vif)) 2301fd4377b6SThomas Pedersen return -EIO; 2302fd4377b6SThomas Pedersen 2303fd4377b6SThomas Pedersen ar->state = ATH6KL_STATE_RESUMING; 2304fd4377b6SThomas Pedersen 2305fd4377b6SThomas Pedersen ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx, 2306fd4377b6SThomas Pedersen ATH6KL_HOST_MODE_AWAKE); 2307fd4377b6SThomas Pedersen if (ret) { 2308fd4377b6SThomas Pedersen ath6kl_warn("Failed to configure host sleep mode for wow resume: %d\n", 2309fd4377b6SThomas Pedersen ret); 2310fd4377b6SThomas Pedersen goto cleanup; 2311fd4377b6SThomas Pedersen } 2312fd4377b6SThomas Pedersen 2313fd4377b6SThomas Pedersen spin_lock_bh(&ar->list_lock); 2314fd4377b6SThomas Pedersen list_for_each_entry(vif, &ar->vif_list, list) { 2315fd4377b6SThomas Pedersen if (!test_bit(CONNECTED, &vif->flags) || 2316fd4377b6SThomas Pedersen !ath6kl_cfg80211_ready(vif)) 2317fd4377b6SThomas Pedersen continue; 2318fd4377b6SThomas Pedersen ret = ath6kl_wow_resume_vif(vif); 2319fd4377b6SThomas Pedersen if (ret) 2320fd4377b6SThomas Pedersen break; 2321fd4377b6SThomas Pedersen } 2322fd4377b6SThomas Pedersen spin_unlock_bh(&ar->list_lock); 2323fd4377b6SThomas Pedersen 2324fd4377b6SThomas Pedersen if (ret) 2325fd4377b6SThomas Pedersen goto cleanup; 2326fd4377b6SThomas Pedersen 2327fd4377b6SThomas Pedersen ar->state = ATH6KL_STATE_ON; 2328fd4377b6SThomas Pedersen return 0; 2329fd4377b6SThomas Pedersen 2330fd4377b6SThomas Pedersen cleanup: 2331fd4377b6SThomas Pedersen ar->state = ATH6KL_STATE_WOW; 2332fd4377b6SThomas Pedersen return ret; 2333fd4377b6SThomas Pedersen } 2334fd4377b6SThomas Pedersen 233540abc2deSRaja Mani static int ath6kl_cfg80211_deepsleep_suspend(struct ath6kl *ar) 233640abc2deSRaja Mani { 233740abc2deSRaja Mani struct ath6kl_vif *vif; 233840abc2deSRaja Mani int ret; 233940abc2deSRaja Mani 234040abc2deSRaja Mani vif = ath6kl_vif_first(ar); 234140abc2deSRaja Mani if (!vif) 234240abc2deSRaja Mani return -EIO; 234340abc2deSRaja Mani 234448f27587SMing Jiang if (!test_bit(WMI_READY, &ar->flag)) { 234548f27587SMing Jiang ath6kl_err("deepsleep failed as wmi is not ready\n"); 234640abc2deSRaja Mani return -EIO; 234748f27587SMing Jiang } 234840abc2deSRaja Mani 234940abc2deSRaja Mani ath6kl_cfg80211_stop_all(ar); 235040abc2deSRaja Mani 235140abc2deSRaja Mani /* Save the current power mode before enabling power save */ 235240abc2deSRaja Mani ar->wmi->saved_pwr_mode = ar->wmi->pwr_mode; 235340abc2deSRaja Mani 235440abc2deSRaja Mani ret = ath6kl_wmi_powermode_cmd(ar->wmi, 0, REC_POWER); 235540abc2deSRaja Mani if (ret) 235640abc2deSRaja Mani return ret; 235740abc2deSRaja Mani 235840abc2deSRaja Mani /* Disable WOW mode */ 235940abc2deSRaja Mani ret = ath6kl_wmi_set_wow_mode_cmd(ar->wmi, vif->fw_vif_idx, 236040abc2deSRaja Mani ATH6KL_WOW_MODE_DISABLE, 236140abc2deSRaja Mani 0, 0); 236240abc2deSRaja Mani if (ret) 236340abc2deSRaja Mani return ret; 236440abc2deSRaja Mani 236540abc2deSRaja Mani /* Flush all non control pkts in TX path */ 236640abc2deSRaja Mani ath6kl_tx_data_cleanup(ar); 236740abc2deSRaja Mani 236840abc2deSRaja Mani ret = ath6kl_cfg80211_host_sleep(ar, vif); 236940abc2deSRaja Mani if (ret) 237040abc2deSRaja Mani return ret; 237140abc2deSRaja Mani 237240abc2deSRaja Mani return 0; 237340abc2deSRaja Mani } 237440abc2deSRaja Mani 237540abc2deSRaja Mani static int ath6kl_cfg80211_deepsleep_resume(struct ath6kl *ar) 237640abc2deSRaja Mani { 237740abc2deSRaja Mani struct ath6kl_vif *vif; 237840abc2deSRaja Mani int ret; 237940abc2deSRaja Mani 238040abc2deSRaja Mani vif = ath6kl_vif_first(ar); 238140abc2deSRaja Mani 238240abc2deSRaja Mani if (!vif) 238340abc2deSRaja Mani return -EIO; 238440abc2deSRaja Mani 238540abc2deSRaja Mani if (ar->wmi->pwr_mode != ar->wmi->saved_pwr_mode) { 238640abc2deSRaja Mani ret = ath6kl_wmi_powermode_cmd(ar->wmi, 0, 238740abc2deSRaja Mani ar->wmi->saved_pwr_mode); 238840abc2deSRaja Mani if (ret) 238940abc2deSRaja Mani return ret; 239040abc2deSRaja Mani } 239140abc2deSRaja Mani 239240abc2deSRaja Mani ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx, 239340abc2deSRaja Mani ATH6KL_HOST_MODE_AWAKE); 239440abc2deSRaja Mani if (ret) 239540abc2deSRaja Mani return ret; 239640abc2deSRaja Mani 239740abc2deSRaja Mani ar->state = ATH6KL_STATE_ON; 239840abc2deSRaja Mani 239940abc2deSRaja Mani /* Reset scan parameter to default values */ 240040abc2deSRaja Mani ret = ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx, 240140abc2deSRaja Mani 0, 0, 0, 0, 0, 0, 3, 0, 0, 0); 240240abc2deSRaja Mani if (ret) 240340abc2deSRaja Mani return ret; 240440abc2deSRaja Mani 240540abc2deSRaja Mani return 0; 240640abc2deSRaja Mani } 240740abc2deSRaja Mani 240852d81a68SKalle Valo int ath6kl_cfg80211_suspend(struct ath6kl *ar, 24090f60e9f4SRaja Mani enum ath6kl_cfg_suspend_mode mode, 24100f60e9f4SRaja Mani struct cfg80211_wowlan *wow) 241152d81a68SKalle Valo { 24123d79499cSVivek Natarajan struct ath6kl_vif *vif; 2413390a8c8fSRaja Mani enum ath6kl_state prev_state; 241452d81a68SKalle Valo int ret; 241552d81a68SKalle Valo 241652d81a68SKalle Valo switch (mode) { 2417d7c44e0bSRaja Mani case ATH6KL_CFG_SUSPEND_WOW: 2418d7c44e0bSRaja Mani 2419d7c44e0bSRaja Mani ath6kl_dbg(ATH6KL_DBG_SUSPEND, "wow mode suspend\n"); 2420d7c44e0bSRaja Mani 2421d7c44e0bSRaja Mani /* Flush all non control pkts in TX path */ 2422d7c44e0bSRaja Mani ath6kl_tx_data_cleanup(ar); 2423d7c44e0bSRaja Mani 2424390a8c8fSRaja Mani prev_state = ar->state; 2425390a8c8fSRaja Mani 2426d7c44e0bSRaja Mani ret = ath6kl_wow_suspend(ar, wow); 2427390a8c8fSRaja Mani if (ret) { 2428390a8c8fSRaja Mani ar->state = prev_state; 2429d7c44e0bSRaja Mani return ret; 2430390a8c8fSRaja Mani } 24311e9a905dSRaja Mani 2432d7c44e0bSRaja Mani ar->state = ATH6KL_STATE_WOW; 2433d7c44e0bSRaja Mani break; 2434d7c44e0bSRaja Mani 243552d81a68SKalle Valo case ATH6KL_CFG_SUSPEND_DEEPSLEEP: 2436524441e3SRaja Mani 243740abc2deSRaja Mani ath6kl_dbg(ATH6KL_DBG_SUSPEND, "deep sleep suspend\n"); 2438524441e3SRaja Mani 243940abc2deSRaja Mani ret = ath6kl_cfg80211_deepsleep_suspend(ar); 244052d81a68SKalle Valo if (ret) { 244140abc2deSRaja Mani ath6kl_err("deepsleep suspend failed: %d\n", ret); 244240abc2deSRaja Mani return ret; 244352d81a68SKalle Valo } 244452d81a68SKalle Valo 244576a9fbe2SKalle Valo ar->state = ATH6KL_STATE_DEEPSLEEP; 244676a9fbe2SKalle Valo 244752d81a68SKalle Valo break; 2448b4b2a0b1SKalle Valo 2449b4b2a0b1SKalle Valo case ATH6KL_CFG_SUSPEND_CUTPOWER: 2450524441e3SRaja Mani 24517125f01dSKalle Valo ath6kl_cfg80211_stop_all(ar); 2452524441e3SRaja Mani 2453b4b2a0b1SKalle Valo if (ar->state == ATH6KL_STATE_OFF) { 2454b4b2a0b1SKalle Valo ath6kl_dbg(ATH6KL_DBG_SUSPEND, 2455b4b2a0b1SKalle Valo "suspend hw off, no action for cutpower\n"); 2456b4b2a0b1SKalle Valo break; 2457b4b2a0b1SKalle Valo } 2458b4b2a0b1SKalle Valo 2459b4b2a0b1SKalle Valo ath6kl_dbg(ATH6KL_DBG_SUSPEND, "suspend cutting power\n"); 2460b4b2a0b1SKalle Valo 2461b4b2a0b1SKalle Valo ret = ath6kl_init_hw_stop(ar); 2462b4b2a0b1SKalle Valo if (ret) { 2463b4b2a0b1SKalle Valo ath6kl_warn("failed to stop hw during suspend: %d\n", 2464b4b2a0b1SKalle Valo ret); 2465b4b2a0b1SKalle Valo } 2466b4b2a0b1SKalle Valo 2467b4b2a0b1SKalle Valo ar->state = ATH6KL_STATE_CUTPOWER; 2468b4b2a0b1SKalle Valo 2469b4b2a0b1SKalle Valo break; 2470b4b2a0b1SKalle Valo 2471b4b2a0b1SKalle Valo default: 2472b4b2a0b1SKalle Valo break; 247352d81a68SKalle Valo } 247452d81a68SKalle Valo 24753d79499cSVivek Natarajan list_for_each_entry(vif, &ar->vif_list, list) 24763d79499cSVivek Natarajan ath6kl_cfg80211_scan_complete_event(vif, true); 24773d79499cSVivek Natarajan 247852d81a68SKalle Valo return 0; 247952d81a68SKalle Valo } 2480d6a434d6SKalle Valo EXPORT_SYMBOL(ath6kl_cfg80211_suspend); 248152d81a68SKalle Valo 248252d81a68SKalle Valo int ath6kl_cfg80211_resume(struct ath6kl *ar) 248352d81a68SKalle Valo { 248476a9fbe2SKalle Valo int ret; 248576a9fbe2SKalle Valo 248676a9fbe2SKalle Valo switch (ar->state) { 2487d7c44e0bSRaja Mani case ATH6KL_STATE_WOW: 2488d7c44e0bSRaja Mani ath6kl_dbg(ATH6KL_DBG_SUSPEND, "wow mode resume\n"); 2489d7c44e0bSRaja Mani 2490d7c44e0bSRaja Mani ret = ath6kl_wow_resume(ar); 2491d7c44e0bSRaja Mani if (ret) { 2492d7c44e0bSRaja Mani ath6kl_warn("wow mode resume failed: %d\n", ret); 2493d7c44e0bSRaja Mani return ret; 2494d7c44e0bSRaja Mani } 2495d7c44e0bSRaja Mani 2496d7c44e0bSRaja Mani break; 2497d7c44e0bSRaja Mani 249876a9fbe2SKalle Valo case ATH6KL_STATE_DEEPSLEEP: 249940abc2deSRaja Mani ath6kl_dbg(ATH6KL_DBG_SUSPEND, "deep sleep resume\n"); 250040abc2deSRaja Mani 250140abc2deSRaja Mani ret = ath6kl_cfg80211_deepsleep_resume(ar); 250276a9fbe2SKalle Valo if (ret) { 250340abc2deSRaja Mani ath6kl_warn("deep sleep resume failed: %d\n", ret); 250440abc2deSRaja Mani return ret; 250576a9fbe2SKalle Valo } 250676a9fbe2SKalle Valo break; 250776a9fbe2SKalle Valo 2508b4b2a0b1SKalle Valo case ATH6KL_STATE_CUTPOWER: 2509b4b2a0b1SKalle Valo ath6kl_dbg(ATH6KL_DBG_SUSPEND, "resume restoring power\n"); 2510b4b2a0b1SKalle Valo 2511b4b2a0b1SKalle Valo ret = ath6kl_init_hw_start(ar); 2512b4b2a0b1SKalle Valo if (ret) { 2513b4b2a0b1SKalle Valo ath6kl_warn("Failed to boot hw in resume: %d\n", ret); 2514b4b2a0b1SKalle Valo return ret; 2515b4b2a0b1SKalle Valo } 2516d7c44e0bSRaja Mani break; 2517b4b2a0b1SKalle Valo 251876a9fbe2SKalle Valo default: 251976a9fbe2SKalle Valo break; 252052d81a68SKalle Valo } 252152d81a68SKalle Valo 252252d81a68SKalle Valo return 0; 252352d81a68SKalle Valo } 2524d6a434d6SKalle Valo EXPORT_SYMBOL(ath6kl_cfg80211_resume); 252552d81a68SKalle Valo 2526abcb344bSKalle Valo #ifdef CONFIG_PM 252752d81a68SKalle Valo 252852d81a68SKalle Valo /* hif layer decides what suspend mode to use */ 252952d81a68SKalle Valo static int __ath6kl_cfg80211_suspend(struct wiphy *wiphy, 2530abcb344bSKalle Valo struct cfg80211_wowlan *wow) 2531abcb344bSKalle Valo { 2532abcb344bSKalle Valo struct ath6kl *ar = wiphy_priv(wiphy); 2533abcb344bSKalle Valo 253484caf800SVasanthakumar Thiagarajan ath6kl_recovery_suspend(ar); 253584caf800SVasanthakumar Thiagarajan 25360f60e9f4SRaja Mani return ath6kl_hif_suspend(ar, wow); 2537abcb344bSKalle Valo } 2538aa6cffc1SChilam Ng 253952d81a68SKalle Valo static int __ath6kl_cfg80211_resume(struct wiphy *wiphy) 2540aa6cffc1SChilam Ng { 2541aa6cffc1SChilam Ng struct ath6kl *ar = wiphy_priv(wiphy); 254284caf800SVasanthakumar Thiagarajan int err; 2543aa6cffc1SChilam Ng 254484caf800SVasanthakumar Thiagarajan err = ath6kl_hif_resume(ar); 254584caf800SVasanthakumar Thiagarajan if (err) 254684caf800SVasanthakumar Thiagarajan return err; 254784caf800SVasanthakumar Thiagarajan 254892332993SVasanthakumar Thiagarajan ath6kl_recovery_resume(ar); 254984caf800SVasanthakumar Thiagarajan 255084caf800SVasanthakumar Thiagarajan return 0; 2551aa6cffc1SChilam Ng } 2552a918fb3cSRaja Mani 2553a918fb3cSRaja Mani /* 2554a918fb3cSRaja Mani * FIXME: WOW suspend mode is selected if the host sdio controller supports 2555a918fb3cSRaja Mani * both sdio irq wake up and keep power. The target pulls sdio data line to 2556a918fb3cSRaja Mani * wake up the host when WOW pattern matches. This causes sdio irq handler 2557a918fb3cSRaja Mani * is being called in the host side which internally hits ath6kl's RX path. 2558a918fb3cSRaja Mani * 2559a918fb3cSRaja Mani * Since sdio interrupt is not disabled, RX path executes even before 2560a918fb3cSRaja Mani * the host executes the actual resume operation from PM module. 2561a918fb3cSRaja Mani * 2562a918fb3cSRaja Mani * In the current scenario, WOW resume should happen before start processing 2563a918fb3cSRaja Mani * any data from the target. So It's required to perform WOW resume in RX path. 2564a918fb3cSRaja Mani * Ideally we should perform WOW resume only in the actual platform 2565a918fb3cSRaja Mani * resume path. This area needs bit rework to avoid WOW resume in RX path. 2566a918fb3cSRaja Mani * 2567a918fb3cSRaja Mani * ath6kl_check_wow_status() is called from ath6kl_rx(). 2568a918fb3cSRaja Mani */ 2569a918fb3cSRaja Mani void ath6kl_check_wow_status(struct ath6kl *ar) 2570a918fb3cSRaja Mani { 2571390a8c8fSRaja Mani if (ar->state == ATH6KL_STATE_SUSPENDING) 2572390a8c8fSRaja Mani return; 2573390a8c8fSRaja Mani 2574a918fb3cSRaja Mani if (ar->state == ATH6KL_STATE_WOW) 2575a918fb3cSRaja Mani ath6kl_cfg80211_resume(ar); 2576a918fb3cSRaja Mani } 2577a918fb3cSRaja Mani 2578a918fb3cSRaja Mani #else 2579a918fb3cSRaja Mani 2580a918fb3cSRaja Mani void ath6kl_check_wow_status(struct ath6kl *ar) 2581a918fb3cSRaja Mani { 2582a918fb3cSRaja Mani } 2583abcb344bSKalle Valo #endif 2584abcb344bSKalle Valo 2585df90b369SVasanthakumar Thiagarajan static int ath6kl_set_htcap(struct ath6kl_vif *vif, enum ieee80211_band band, 2586df90b369SVasanthakumar Thiagarajan bool ht_enable) 25876a7c9badSJouni Malinen { 258867b3f129SKiran Reddy struct ath6kl_htcap *htcap = &vif->htcap[band]; 2589e68f6750SSujith Manoharan 2590df90b369SVasanthakumar Thiagarajan if (htcap->ht_enable == ht_enable) 25916a7c9badSJouni Malinen return 0; 2592df90b369SVasanthakumar Thiagarajan 2593df90b369SVasanthakumar Thiagarajan if (ht_enable) { 2594df90b369SVasanthakumar Thiagarajan /* Set default ht capabilities */ 2595df90b369SVasanthakumar Thiagarajan htcap->ht_enable = true; 2596df90b369SVasanthakumar Thiagarajan htcap->cap_info = (band == IEEE80211_BAND_2GHZ) ? 2597df90b369SVasanthakumar Thiagarajan ath6kl_g_htcap : ath6kl_a_htcap; 2598df90b369SVasanthakumar Thiagarajan htcap->ampdu_factor = IEEE80211_HT_MAX_AMPDU_16K; 2599df90b369SVasanthakumar Thiagarajan } else /* Disable ht */ 2600df90b369SVasanthakumar Thiagarajan memset(htcap, 0, sizeof(*htcap)); 2601df90b369SVasanthakumar Thiagarajan 2602df90b369SVasanthakumar Thiagarajan return ath6kl_wmi_set_htcap_cmd(vif->ar->wmi, vif->fw_vif_idx, 2603df90b369SVasanthakumar Thiagarajan band, htcap); 26046a7c9badSJouni Malinen } 26056a7c9badSJouni Malinen 260637a2f950SThomas Pedersen static int ath6kl_restore_htcap(struct ath6kl_vif *vif) 260737a2f950SThomas Pedersen { 260837a2f950SThomas Pedersen struct wiphy *wiphy = vif->ar->wiphy; 260937a2f950SThomas Pedersen int band, ret = 0; 261037a2f950SThomas Pedersen 261137a2f950SThomas Pedersen for (band = 0; band < IEEE80211_NUM_BANDS; band++) { 261237a2f950SThomas Pedersen if (!wiphy->bands[band]) 261337a2f950SThomas Pedersen continue; 261437a2f950SThomas Pedersen 261537a2f950SThomas Pedersen ret = ath6kl_set_htcap(vif, band, 261637a2f950SThomas Pedersen wiphy->bands[band]->ht_cap.ht_supported); 261737a2f950SThomas Pedersen if (ret) 261837a2f950SThomas Pedersen return ret; 261937a2f950SThomas Pedersen } 262037a2f950SThomas Pedersen 262137a2f950SThomas Pedersen return ret; 262237a2f950SThomas Pedersen } 262337a2f950SThomas Pedersen 26248bdfbf40SJouni Malinen static bool ath6kl_is_p2p_ie(const u8 *pos) 26258bdfbf40SJouni Malinen { 26268bdfbf40SJouni Malinen return pos[0] == WLAN_EID_VENDOR_SPECIFIC && pos[1] >= 4 && 26278bdfbf40SJouni Malinen pos[2] == 0x50 && pos[3] == 0x6f && 26288bdfbf40SJouni Malinen pos[4] == 0x9a && pos[5] == 0x09; 26298bdfbf40SJouni Malinen } 26308bdfbf40SJouni Malinen 2631334234b5SVasanthakumar Thiagarajan static int ath6kl_set_ap_probe_resp_ies(struct ath6kl_vif *vif, 2632334234b5SVasanthakumar Thiagarajan const u8 *ies, size_t ies_len) 26338bdfbf40SJouni Malinen { 2634334234b5SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 26358bdfbf40SJouni Malinen const u8 *pos; 26368bdfbf40SJouni Malinen u8 *buf = NULL; 26378bdfbf40SJouni Malinen size_t len = 0; 26388bdfbf40SJouni Malinen int ret; 26398bdfbf40SJouni Malinen 26408bdfbf40SJouni Malinen /* 26418bdfbf40SJouni Malinen * Filter out P2P IE(s) since they will be included depending on 26428bdfbf40SJouni Malinen * the Probe Request frame in ath6kl_send_go_probe_resp(). 26438bdfbf40SJouni Malinen */ 26448bdfbf40SJouni Malinen 26458bdfbf40SJouni Malinen if (ies && ies_len) { 26468bdfbf40SJouni Malinen buf = kmalloc(ies_len, GFP_KERNEL); 26478bdfbf40SJouni Malinen if (buf == NULL) 26488bdfbf40SJouni Malinen return -ENOMEM; 26498bdfbf40SJouni Malinen pos = ies; 26508bdfbf40SJouni Malinen while (pos + 1 < ies + ies_len) { 26518bdfbf40SJouni Malinen if (pos + 2 + pos[1] > ies + ies_len) 26528bdfbf40SJouni Malinen break; 26538bdfbf40SJouni Malinen if (!ath6kl_is_p2p_ie(pos)) { 26548bdfbf40SJouni Malinen memcpy(buf + len, pos, 2 + pos[1]); 26558bdfbf40SJouni Malinen len += 2 + pos[1]; 26568bdfbf40SJouni Malinen } 26578bdfbf40SJouni Malinen pos += 2 + pos[1]; 26588bdfbf40SJouni Malinen } 26598bdfbf40SJouni Malinen } 26608bdfbf40SJouni Malinen 2661334234b5SVasanthakumar Thiagarajan ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, 2662334234b5SVasanthakumar Thiagarajan WMI_FRAME_PROBE_RESP, buf, len); 26638bdfbf40SJouni Malinen kfree(buf); 26648bdfbf40SJouni Malinen return ret; 26658bdfbf40SJouni Malinen } 26668bdfbf40SJouni Malinen 26678860020eSJohannes Berg static int ath6kl_set_ies(struct ath6kl_vif *vif, 26688860020eSJohannes Berg struct cfg80211_beacon_data *info) 26698860020eSJohannes Berg { 26708860020eSJohannes Berg struct ath6kl *ar = vif->ar; 26718860020eSJohannes Berg int res; 26728860020eSJohannes Berg 267317a7b16dSAarthi Thiruvengadam /* this also clears IE in fw if it's not set */ 26748860020eSJohannes Berg res = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, 26758860020eSJohannes Berg WMI_FRAME_BEACON, 26768860020eSJohannes Berg info->beacon_ies, 26778860020eSJohannes Berg info->beacon_ies_len); 26788860020eSJohannes Berg if (res) 26798860020eSJohannes Berg return res; 26808860020eSJohannes Berg 268117a7b16dSAarthi Thiruvengadam /* this also clears IE in fw if it's not set */ 26828860020eSJohannes Berg res = ath6kl_set_ap_probe_resp_ies(vif, info->proberesp_ies, 26838860020eSJohannes Berg info->proberesp_ies_len); 26848860020eSJohannes Berg if (res) 26858860020eSJohannes Berg return res; 26868860020eSJohannes Berg 268717a7b16dSAarthi Thiruvengadam /* this also clears IE in fw if it's not set */ 26888860020eSJohannes Berg res = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, 26898860020eSJohannes Berg WMI_FRAME_ASSOC_RESP, 26908860020eSJohannes Berg info->assocresp_ies, 26918860020eSJohannes Berg info->assocresp_ies_len); 26928860020eSJohannes Berg if (res) 26938860020eSJohannes Berg return res; 26948860020eSJohannes Berg 26958860020eSJohannes Berg return 0; 26968860020eSJohannes Berg } 26978860020eSJohannes Berg 2698d97c121bSVasanthakumar Thiagarajan static int ath6kl_get_rsn_capab(struct cfg80211_beacon_data *beacon, 2699d97c121bSVasanthakumar Thiagarajan u8 *rsn_capab) 2700d97c121bSVasanthakumar Thiagarajan { 2701d97c121bSVasanthakumar Thiagarajan const u8 *rsn_ie; 2702d97c121bSVasanthakumar Thiagarajan size_t rsn_ie_len; 2703d97c121bSVasanthakumar Thiagarajan u16 cnt; 2704d97c121bSVasanthakumar Thiagarajan 2705d97c121bSVasanthakumar Thiagarajan if (!beacon->tail) 2706d97c121bSVasanthakumar Thiagarajan return -EINVAL; 2707d97c121bSVasanthakumar Thiagarajan 2708d97c121bSVasanthakumar Thiagarajan rsn_ie = cfg80211_find_ie(WLAN_EID_RSN, beacon->tail, beacon->tail_len); 2709d97c121bSVasanthakumar Thiagarajan if (!rsn_ie) 2710d97c121bSVasanthakumar Thiagarajan return -EINVAL; 2711d97c121bSVasanthakumar Thiagarajan 2712d97c121bSVasanthakumar Thiagarajan rsn_ie_len = *(rsn_ie + 1); 2713d97c121bSVasanthakumar Thiagarajan /* skip element id and length */ 2714d97c121bSVasanthakumar Thiagarajan rsn_ie += 2; 2715d97c121bSVasanthakumar Thiagarajan 27169e8b16dbSVasanthakumar Thiagarajan /* skip version */ 27179e8b16dbSVasanthakumar Thiagarajan if (rsn_ie_len < 2) 2718d97c121bSVasanthakumar Thiagarajan return -EINVAL; 27199e8b16dbSVasanthakumar Thiagarajan rsn_ie += 2; 27209e8b16dbSVasanthakumar Thiagarajan rsn_ie_len -= 2; 27219e8b16dbSVasanthakumar Thiagarajan 27229e8b16dbSVasanthakumar Thiagarajan /* skip group cipher suite */ 27239e8b16dbSVasanthakumar Thiagarajan if (rsn_ie_len < 4) 27249e8b16dbSVasanthakumar Thiagarajan return 0; 27259e8b16dbSVasanthakumar Thiagarajan rsn_ie += 4; 27269e8b16dbSVasanthakumar Thiagarajan rsn_ie_len -= 4; 2727d97c121bSVasanthakumar Thiagarajan 2728d97c121bSVasanthakumar Thiagarajan /* skip pairwise cipher suite */ 2729d97c121bSVasanthakumar Thiagarajan if (rsn_ie_len < 2) 27309e8b16dbSVasanthakumar Thiagarajan return 0; 2731798985c6SVasanthakumar Thiagarajan cnt = get_unaligned_le16(rsn_ie); 2732d97c121bSVasanthakumar Thiagarajan rsn_ie += (2 + cnt * 4); 2733d97c121bSVasanthakumar Thiagarajan rsn_ie_len -= (2 + cnt * 4); 2734d97c121bSVasanthakumar Thiagarajan 2735d97c121bSVasanthakumar Thiagarajan /* skip akm suite */ 2736d97c121bSVasanthakumar Thiagarajan if (rsn_ie_len < 2) 27379e8b16dbSVasanthakumar Thiagarajan return 0; 2738798985c6SVasanthakumar Thiagarajan cnt = get_unaligned_le16(rsn_ie); 2739d97c121bSVasanthakumar Thiagarajan rsn_ie += (2 + cnt * 4); 2740d97c121bSVasanthakumar Thiagarajan rsn_ie_len -= (2 + cnt * 4); 2741d97c121bSVasanthakumar Thiagarajan 2742d97c121bSVasanthakumar Thiagarajan if (rsn_ie_len < 2) 27439e8b16dbSVasanthakumar Thiagarajan return 0; 2744d97c121bSVasanthakumar Thiagarajan 2745d97c121bSVasanthakumar Thiagarajan memcpy(rsn_capab, rsn_ie, 2); 2746d97c121bSVasanthakumar Thiagarajan 2747d97c121bSVasanthakumar Thiagarajan return 0; 2748d97c121bSVasanthakumar Thiagarajan } 2749d97c121bSVasanthakumar Thiagarajan 27508860020eSJohannes Berg static int ath6kl_start_ap(struct wiphy *wiphy, struct net_device *dev, 27518860020eSJohannes Berg struct cfg80211_ap_settings *info) 27526a7c9badSJouni Malinen { 27536a7c9badSJouni Malinen struct ath6kl *ar = ath6kl_priv(dev); 27543450334fSVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 27556a7c9badSJouni Malinen struct ieee80211_mgmt *mgmt; 275667cd22e4SThomas Pedersen bool hidden = false; 27576a7c9badSJouni Malinen u8 *ies; 27586a7c9badSJouni Malinen int ies_len; 27596a7c9badSJouni Malinen struct wmi_connect_cmd p; 27606a7c9badSJouni Malinen int res; 2761be5abaafSVasanthakumar Thiagarajan int i, ret; 2762d97c121bSVasanthakumar Thiagarajan u16 rsn_capab = 0; 27637ac25eacSMohammed Shafi Shajakhan int inactivity_timeout = 0; 27646a7c9badSJouni Malinen 27658860020eSJohannes Berg ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s:\n", __func__); 27666a7c9badSJouni Malinen 2767990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 27686a7c9badSJouni Malinen return -EIO; 27696a7c9badSJouni Malinen 2770f5938f24SVasanthakumar Thiagarajan if (vif->next_mode != AP_NETWORK) 27716a7c9badSJouni Malinen return -EOPNOTSUPP; 27726a7c9badSJouni Malinen 27738860020eSJohannes Berg res = ath6kl_set_ies(vif, &info->beacon); 27746a7c9badSJouni Malinen 27759a5b1318SJouni Malinen ar->ap_mode_bkey.valid = false; 27769a5b1318SJouni Malinen 2777eb922e4bSMohammed Shafi Shajakhan ret = ath6kl_wmi_ap_set_beacon_intvl_cmd(ar->wmi, vif->fw_vif_idx, 2778eb922e4bSMohammed Shafi Shajakhan info->beacon_interval); 2779eb922e4bSMohammed Shafi Shajakhan 2780eb922e4bSMohammed Shafi Shajakhan if (ret) 2781eb922e4bSMohammed Shafi Shajakhan ath6kl_warn("Failed to set beacon interval: %d\n", ret); 27826a7c9badSJouni Malinen 2783d154f32eSEtay Luz ret = ath6kl_wmi_ap_set_dtim_cmd(ar->wmi, vif->fw_vif_idx, 2784d154f32eSEtay Luz info->dtim_period); 2785d154f32eSEtay Luz 2786d154f32eSEtay Luz /* ignore error, just print a warning and continue normally */ 2787d154f32eSEtay Luz if (ret) 2788d154f32eSEtay Luz ath6kl_warn("Failed to set dtim_period in beacon: %d\n", ret); 2789d154f32eSEtay Luz 27908860020eSJohannes Berg if (info->beacon.head == NULL) 27916a7c9badSJouni Malinen return -EINVAL; 27928860020eSJohannes Berg mgmt = (struct ieee80211_mgmt *) info->beacon.head; 27936a7c9badSJouni Malinen ies = mgmt->u.beacon.variable; 27948860020eSJohannes Berg if (ies > info->beacon.head + info->beacon.head_len) 27956a7c9badSJouni Malinen return -EINVAL; 27968860020eSJohannes Berg ies_len = info->beacon.head + info->beacon.head_len - ies; 27976a7c9badSJouni Malinen 27986a7c9badSJouni Malinen if (info->ssid == NULL) 27996a7c9badSJouni Malinen return -EINVAL; 28003450334fSVasanthakumar Thiagarajan memcpy(vif->ssid, info->ssid, info->ssid_len); 28013450334fSVasanthakumar Thiagarajan vif->ssid_len = info->ssid_len; 28026a7c9badSJouni Malinen if (info->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE) 280367cd22e4SThomas Pedersen hidden = true; 280467cd22e4SThomas Pedersen 280567cd22e4SThomas Pedersen res = ath6kl_wmi_ap_hidden_ssid(ar->wmi, vif->fw_vif_idx, hidden); 280667cd22e4SThomas Pedersen if (res) 280767cd22e4SThomas Pedersen return res; 28086a7c9badSJouni Malinen 2809be5abaafSVasanthakumar Thiagarajan ret = ath6kl_set_auth_type(vif, info->auth_type); 2810be5abaafSVasanthakumar Thiagarajan if (ret) 2811be5abaafSVasanthakumar Thiagarajan return ret; 28126a7c9badSJouni Malinen 28136a7c9badSJouni Malinen memset(&p, 0, sizeof(p)); 28146a7c9badSJouni Malinen 28156a7c9badSJouni Malinen for (i = 0; i < info->crypto.n_akm_suites; i++) { 28166a7c9badSJouni Malinen switch (info->crypto.akm_suites[i]) { 28176a7c9badSJouni Malinen case WLAN_AKM_SUITE_8021X: 28186a7c9badSJouni Malinen if (info->crypto.wpa_versions & NL80211_WPA_VERSION_1) 28196a7c9badSJouni Malinen p.auth_mode |= WPA_AUTH; 28206a7c9badSJouni Malinen if (info->crypto.wpa_versions & NL80211_WPA_VERSION_2) 28216a7c9badSJouni Malinen p.auth_mode |= WPA2_AUTH; 28226a7c9badSJouni Malinen break; 28236a7c9badSJouni Malinen case WLAN_AKM_SUITE_PSK: 28246a7c9badSJouni Malinen if (info->crypto.wpa_versions & NL80211_WPA_VERSION_1) 28256a7c9badSJouni Malinen p.auth_mode |= WPA_PSK_AUTH; 28266a7c9badSJouni Malinen if (info->crypto.wpa_versions & NL80211_WPA_VERSION_2) 28276a7c9badSJouni Malinen p.auth_mode |= WPA2_PSK_AUTH; 28286a7c9badSJouni Malinen break; 28296a7c9badSJouni Malinen } 28306a7c9badSJouni Malinen } 28316a7c9badSJouni Malinen if (p.auth_mode == 0) 28326a7c9badSJouni Malinen p.auth_mode = NONE_AUTH; 28333450334fSVasanthakumar Thiagarajan vif->auth_mode = p.auth_mode; 28346a7c9badSJouni Malinen 28356a7c9badSJouni Malinen for (i = 0; i < info->crypto.n_ciphers_pairwise; i++) { 28366a7c9badSJouni Malinen switch (info->crypto.ciphers_pairwise[i]) { 28376a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_WEP40: 28386a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_WEP104: 28396a7c9badSJouni Malinen p.prwise_crypto_type |= WEP_CRYPT; 28406a7c9badSJouni Malinen break; 28416a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_TKIP: 28426a7c9badSJouni Malinen p.prwise_crypto_type |= TKIP_CRYPT; 28436a7c9badSJouni Malinen break; 28446a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_CCMP: 28456a7c9badSJouni Malinen p.prwise_crypto_type |= AES_CRYPT; 28466a7c9badSJouni Malinen break; 2847b8214df1SDai Shuibing case WLAN_CIPHER_SUITE_SMS4: 2848b8214df1SDai Shuibing p.prwise_crypto_type |= WAPI_CRYPT; 2849b8214df1SDai Shuibing break; 28506a7c9badSJouni Malinen } 28516a7c9badSJouni Malinen } 2852229ed6b5SEdward Lu if (p.prwise_crypto_type == 0) { 28536a7c9badSJouni Malinen p.prwise_crypto_type = NONE_CRYPT; 2854240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, 0, true); 2855229ed6b5SEdward Lu } else if (info->crypto.n_ciphers_pairwise == 1) 2856240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, info->crypto.ciphers_pairwise[0], true); 28576a7c9badSJouni Malinen 28586a7c9badSJouni Malinen switch (info->crypto.cipher_group) { 28596a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_WEP40: 28606a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_WEP104: 28616a7c9badSJouni Malinen p.grp_crypto_type = WEP_CRYPT; 28626a7c9badSJouni Malinen break; 28636a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_TKIP: 28646a7c9badSJouni Malinen p.grp_crypto_type = TKIP_CRYPT; 28656a7c9badSJouni Malinen break; 28666a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_CCMP: 28676a7c9badSJouni Malinen p.grp_crypto_type = AES_CRYPT; 28686a7c9badSJouni Malinen break; 2869b8214df1SDai Shuibing case WLAN_CIPHER_SUITE_SMS4: 2870b8214df1SDai Shuibing p.grp_crypto_type = WAPI_CRYPT; 2871b8214df1SDai Shuibing break; 28726a7c9badSJouni Malinen default: 28736a7c9badSJouni Malinen p.grp_crypto_type = NONE_CRYPT; 28746a7c9badSJouni Malinen break; 28756a7c9badSJouni Malinen } 2876240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, info->crypto.cipher_group, false); 28776a7c9badSJouni Malinen 28786a7c9badSJouni Malinen p.nw_type = AP_NETWORK; 2879f5938f24SVasanthakumar Thiagarajan vif->nw_type = vif->next_mode; 28806a7c9badSJouni Malinen 28813450334fSVasanthakumar Thiagarajan p.ssid_len = vif->ssid_len; 28823450334fSVasanthakumar Thiagarajan memcpy(p.ssid, vif->ssid, vif->ssid_len); 28833450334fSVasanthakumar Thiagarajan p.dot11_auth_mode = vif->dot11_auth_mode; 2884683b6d3bSJohannes Berg p.ch = cpu_to_le16(info->chandef.chan->center_freq); 28856a7c9badSJouni Malinen 2886c1762a3fSThirumalai Pachamuthu /* Enable uAPSD support by default */ 2887c1762a3fSThirumalai Pachamuthu res = ath6kl_wmi_ap_set_apsd(ar->wmi, vif->fw_vif_idx, true); 2888c1762a3fSThirumalai Pachamuthu if (res < 0) 2889c1762a3fSThirumalai Pachamuthu return res; 2890c1762a3fSThirumalai Pachamuthu 28913ca9d1fcSAarthi Thiruvengadam if (vif->wdev.iftype == NL80211_IFTYPE_P2P_GO) { 28923ca9d1fcSAarthi Thiruvengadam p.nw_subtype = SUBTYPE_P2PGO; 28933ca9d1fcSAarthi Thiruvengadam } else { 28943ca9d1fcSAarthi Thiruvengadam /* 28953ca9d1fcSAarthi Thiruvengadam * Due to firmware limitation, it is not possible to 28963ca9d1fcSAarthi Thiruvengadam * do P2P mgmt operations in AP mode 28973ca9d1fcSAarthi Thiruvengadam */ 28983ca9d1fcSAarthi Thiruvengadam p.nw_subtype = SUBTYPE_NONE; 28993ca9d1fcSAarthi Thiruvengadam } 29003ca9d1fcSAarthi Thiruvengadam 290103bdeb0dSVasanthakumar Thiagarajan if (info->inactivity_timeout) { 29027ac25eacSMohammed Shafi Shajakhan 29037ac25eacSMohammed Shafi Shajakhan inactivity_timeout = info->inactivity_timeout; 29047ac25eacSMohammed Shafi Shajakhan 29057ac25eacSMohammed Shafi Shajakhan if (ar->hw.flags & ATH6KL_HW_AP_INACTIVITY_MINS) 29067ac25eacSMohammed Shafi Shajakhan inactivity_timeout = DIV_ROUND_UP(inactivity_timeout, 29077ac25eacSMohammed Shafi Shajakhan 60); 29087ac25eacSMohammed Shafi Shajakhan 290903bdeb0dSVasanthakumar Thiagarajan res = ath6kl_wmi_set_inact_period(ar->wmi, vif->fw_vif_idx, 29107ac25eacSMohammed Shafi Shajakhan inactivity_timeout); 291103bdeb0dSVasanthakumar Thiagarajan if (res < 0) 291203bdeb0dSVasanthakumar Thiagarajan return res; 291303bdeb0dSVasanthakumar Thiagarajan } 291403bdeb0dSVasanthakumar Thiagarajan 2915683b6d3bSJohannes Berg if (ath6kl_set_htcap(vif, info->chandef.chan->band, 2916683b6d3bSJohannes Berg cfg80211_get_chandef_type(&info->chandef) 2917683b6d3bSJohannes Berg != NL80211_CHAN_NO_HT)) 2918df90b369SVasanthakumar Thiagarajan return -EIO; 2919df90b369SVasanthakumar Thiagarajan 2920d97c121bSVasanthakumar Thiagarajan /* 2921d97c121bSVasanthakumar Thiagarajan * Get the PTKSA replay counter in the RSN IE. Supplicant 2922d97c121bSVasanthakumar Thiagarajan * will use the RSN IE in M3 message and firmware has to 2923d97c121bSVasanthakumar Thiagarajan * advertise the same in beacon/probe response. Send 2924d97c121bSVasanthakumar Thiagarajan * the complete RSN IE capability field to firmware 2925d97c121bSVasanthakumar Thiagarajan */ 2926d97c121bSVasanthakumar Thiagarajan if (!ath6kl_get_rsn_capab(&info->beacon, (u8 *) &rsn_capab) && 2927d97c121bSVasanthakumar Thiagarajan test_bit(ATH6KL_FW_CAPABILITY_RSN_CAP_OVERRIDE, 2928d97c121bSVasanthakumar Thiagarajan ar->fw_capabilities)) { 2929d97c121bSVasanthakumar Thiagarajan res = ath6kl_wmi_set_ie_cmd(ar->wmi, vif->fw_vif_idx, 2930d97c121bSVasanthakumar Thiagarajan WLAN_EID_RSN, WMI_RSN_IE_CAPB, 2931d97c121bSVasanthakumar Thiagarajan (const u8 *) &rsn_capab, 2932d97c121bSVasanthakumar Thiagarajan sizeof(rsn_capab)); 2933f21243a8SThomas Pedersen vif->rsn_capab = rsn_capab; 2934d97c121bSVasanthakumar Thiagarajan if (res < 0) 2935d97c121bSVasanthakumar Thiagarajan return res; 2936d97c121bSVasanthakumar Thiagarajan } 2937d97c121bSVasanthakumar Thiagarajan 2938c4f7863eSThomas Pedersen memcpy(&vif->profile, &p, sizeof(p)); 2939334234b5SVasanthakumar Thiagarajan res = ath6kl_wmi_ap_profile_commit(ar->wmi, vif->fw_vif_idx, &p); 29409a5b1318SJouni Malinen if (res < 0) 29419a5b1318SJouni Malinen return res; 29429a5b1318SJouni Malinen 29439a5b1318SJouni Malinen return 0; 29446a7c9badSJouni Malinen } 29456a7c9badSJouni Malinen 29468860020eSJohannes Berg static int ath6kl_change_beacon(struct wiphy *wiphy, struct net_device *dev, 29478860020eSJohannes Berg struct cfg80211_beacon_data *beacon) 29486a7c9badSJouni Malinen { 29498860020eSJohannes Berg struct ath6kl_vif *vif = netdev_priv(dev); 29508860020eSJohannes Berg 29518860020eSJohannes Berg if (!ath6kl_cfg80211_ready(vif)) 29528860020eSJohannes Berg return -EIO; 29538860020eSJohannes Berg 29548860020eSJohannes Berg if (vif->next_mode != AP_NETWORK) 29558860020eSJohannes Berg return -EOPNOTSUPP; 29568860020eSJohannes Berg 29578860020eSJohannes Berg return ath6kl_set_ies(vif, beacon); 29586a7c9badSJouni Malinen } 29596a7c9badSJouni Malinen 29608860020eSJohannes Berg static int ath6kl_stop_ap(struct wiphy *wiphy, struct net_device *dev) 29616a7c9badSJouni Malinen { 29626a7c9badSJouni Malinen struct ath6kl *ar = ath6kl_priv(dev); 296359c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 29646a7c9badSJouni Malinen 2965f5938f24SVasanthakumar Thiagarajan if (vif->nw_type != AP_NETWORK) 29666a7c9badSJouni Malinen return -EOPNOTSUPP; 296759c98449SVasanthakumar Thiagarajan if (!test_bit(CONNECTED, &vif->flags)) 29686a7c9badSJouni Malinen return -ENOTCONN; 29696a7c9badSJouni Malinen 2970334234b5SVasanthakumar Thiagarajan ath6kl_wmi_disconnect_cmd(ar->wmi, vif->fw_vif_idx); 297159c98449SVasanthakumar Thiagarajan clear_bit(CONNECTED, &vif->flags); 29726a7c9badSJouni Malinen 2973df90b369SVasanthakumar Thiagarajan /* Restore ht setting in firmware */ 297437a2f950SThomas Pedersen return ath6kl_restore_htcap(vif); 29756a7c9badSJouni Malinen } 29766a7c9badSJouni Malinen 297733e5308dSJouni Malinen static const u8 bcast_addr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; 297833e5308dSJouni Malinen 297933e5308dSJouni Malinen static int ath6kl_del_station(struct wiphy *wiphy, struct net_device *dev, 298033e5308dSJouni Malinen u8 *mac) 298133e5308dSJouni Malinen { 298233e5308dSJouni Malinen struct ath6kl *ar = ath6kl_priv(dev); 298333e5308dSJouni Malinen struct ath6kl_vif *vif = netdev_priv(dev); 298433e5308dSJouni Malinen const u8 *addr = mac ? mac : bcast_addr; 298533e5308dSJouni Malinen 298633e5308dSJouni Malinen return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx, WMI_AP_DEAUTH, 298733e5308dSJouni Malinen addr, WLAN_REASON_PREV_AUTH_NOT_VALID); 298833e5308dSJouni Malinen } 298933e5308dSJouni Malinen 299023875136SJouni Malinen static int ath6kl_change_station(struct wiphy *wiphy, struct net_device *dev, 299123875136SJouni Malinen u8 *mac, struct station_parameters *params) 299223875136SJouni Malinen { 299323875136SJouni Malinen struct ath6kl *ar = ath6kl_priv(dev); 2994f5938f24SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 299577ee7c89SJohannes Berg int err; 299623875136SJouni Malinen 2997f5938f24SVasanthakumar Thiagarajan if (vif->nw_type != AP_NETWORK) 299823875136SJouni Malinen return -EOPNOTSUPP; 299923875136SJouni Malinen 300077ee7c89SJohannes Berg err = cfg80211_check_station_change(wiphy, params, 300177ee7c89SJohannes Berg CFG80211_STA_AP_MLME_CLIENT); 300277ee7c89SJohannes Berg if (err) 300377ee7c89SJohannes Berg return err; 300423875136SJouni Malinen 300523875136SJouni Malinen if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED)) 3006334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx, 3007334234b5SVasanthakumar Thiagarajan WMI_AP_MLME_AUTHORIZE, mac, 0); 3008334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx, 3009334234b5SVasanthakumar Thiagarajan WMI_AP_MLME_UNAUTHORIZE, mac, 0); 301023875136SJouni Malinen } 301123875136SJouni Malinen 301263fa1e0cSJouni Malinen static int ath6kl_remain_on_channel(struct wiphy *wiphy, 301371bbc994SJohannes Berg struct wireless_dev *wdev, 301463fa1e0cSJouni Malinen struct ieee80211_channel *chan, 301563fa1e0cSJouni Malinen unsigned int duration, 301663fa1e0cSJouni Malinen u64 *cookie) 301763fa1e0cSJouni Malinen { 301871bbc994SJohannes Berg struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev); 301971bbc994SJohannes Berg struct ath6kl *ar = ath6kl_priv(vif->ndev); 30201052261eSJouni Malinen u32 id; 302163fa1e0cSJouni Malinen 302263fa1e0cSJouni Malinen /* TODO: if already pending or ongoing remain-on-channel, 302363fa1e0cSJouni Malinen * return -EBUSY */ 30241052261eSJouni Malinen id = ++vif->last_roc_id; 30251052261eSJouni Malinen if (id == 0) { 30261052261eSJouni Malinen /* Do not use 0 as the cookie value */ 30271052261eSJouni Malinen id = ++vif->last_roc_id; 30281052261eSJouni Malinen } 30291052261eSJouni Malinen *cookie = id; 303063fa1e0cSJouni Malinen 3031334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_remain_on_chnl_cmd(ar->wmi, vif->fw_vif_idx, 3032334234b5SVasanthakumar Thiagarajan chan->center_freq, duration); 303363fa1e0cSJouni Malinen } 303463fa1e0cSJouni Malinen 303563fa1e0cSJouni Malinen static int ath6kl_cancel_remain_on_channel(struct wiphy *wiphy, 303671bbc994SJohannes Berg struct wireless_dev *wdev, 303763fa1e0cSJouni Malinen u64 cookie) 303863fa1e0cSJouni Malinen { 303971bbc994SJohannes Berg struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev); 304071bbc994SJohannes Berg struct ath6kl *ar = ath6kl_priv(vif->ndev); 304163fa1e0cSJouni Malinen 30421052261eSJouni Malinen if (cookie != vif->last_roc_id) 304363fa1e0cSJouni Malinen return -ENOENT; 30441052261eSJouni Malinen vif->last_cancel_roc_id = cookie; 304563fa1e0cSJouni Malinen 3046334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_cancel_remain_on_chnl_cmd(ar->wmi, vif->fw_vif_idx); 304763fa1e0cSJouni Malinen } 304863fa1e0cSJouni Malinen 3049334234b5SVasanthakumar Thiagarajan static int ath6kl_send_go_probe_resp(struct ath6kl_vif *vif, 3050334234b5SVasanthakumar Thiagarajan const u8 *buf, size_t len, 3051334234b5SVasanthakumar Thiagarajan unsigned int freq) 30528bdfbf40SJouni Malinen { 3053334234b5SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 30548bdfbf40SJouni Malinen const u8 *pos; 30558bdfbf40SJouni Malinen u8 *p2p; 30568bdfbf40SJouni Malinen int p2p_len; 30578bdfbf40SJouni Malinen int ret; 30588bdfbf40SJouni Malinen const struct ieee80211_mgmt *mgmt; 30598bdfbf40SJouni Malinen 30608bdfbf40SJouni Malinen mgmt = (const struct ieee80211_mgmt *) buf; 30618bdfbf40SJouni Malinen 30628bdfbf40SJouni Malinen /* Include P2P IE(s) from the frame generated in user space. */ 30638bdfbf40SJouni Malinen 30648bdfbf40SJouni Malinen p2p = kmalloc(len, GFP_KERNEL); 30658bdfbf40SJouni Malinen if (p2p == NULL) 30668bdfbf40SJouni Malinen return -ENOMEM; 30678bdfbf40SJouni Malinen p2p_len = 0; 30688bdfbf40SJouni Malinen 30698bdfbf40SJouni Malinen pos = mgmt->u.probe_resp.variable; 30708bdfbf40SJouni Malinen while (pos + 1 < buf + len) { 30718bdfbf40SJouni Malinen if (pos + 2 + pos[1] > buf + len) 30728bdfbf40SJouni Malinen break; 30738bdfbf40SJouni Malinen if (ath6kl_is_p2p_ie(pos)) { 30748bdfbf40SJouni Malinen memcpy(p2p + p2p_len, pos, 2 + pos[1]); 30758bdfbf40SJouni Malinen p2p_len += 2 + pos[1]; 30768bdfbf40SJouni Malinen } 30778bdfbf40SJouni Malinen pos += 2 + pos[1]; 30788bdfbf40SJouni Malinen } 30798bdfbf40SJouni Malinen 3080334234b5SVasanthakumar Thiagarajan ret = ath6kl_wmi_send_probe_response_cmd(ar->wmi, vif->fw_vif_idx, freq, 3081334234b5SVasanthakumar Thiagarajan mgmt->da, p2p, p2p_len); 30828bdfbf40SJouni Malinen kfree(p2p); 30838bdfbf40SJouni Malinen return ret; 30848bdfbf40SJouni Malinen } 30858bdfbf40SJouni Malinen 3086d0ff7383SNaveen Gangadharan static bool ath6kl_mgmt_powersave_ap(struct ath6kl_vif *vif, 3087d0ff7383SNaveen Gangadharan u32 id, 3088d0ff7383SNaveen Gangadharan u32 freq, 3089d0ff7383SNaveen Gangadharan u32 wait, 3090d0ff7383SNaveen Gangadharan const u8 *buf, 3091d0ff7383SNaveen Gangadharan size_t len, 3092d0ff7383SNaveen Gangadharan bool *more_data, 3093d0ff7383SNaveen Gangadharan bool no_cck) 3094d0ff7383SNaveen Gangadharan { 3095d0ff7383SNaveen Gangadharan struct ieee80211_mgmt *mgmt; 3096d0ff7383SNaveen Gangadharan struct ath6kl_sta *conn; 3097d0ff7383SNaveen Gangadharan bool is_psq_empty = false; 3098d0ff7383SNaveen Gangadharan struct ath6kl_mgmt_buff *mgmt_buf; 3099d0ff7383SNaveen Gangadharan size_t mgmt_buf_size; 3100d0ff7383SNaveen Gangadharan struct ath6kl *ar = vif->ar; 3101d0ff7383SNaveen Gangadharan 3102d0ff7383SNaveen Gangadharan mgmt = (struct ieee80211_mgmt *) buf; 3103d0ff7383SNaveen Gangadharan if (is_multicast_ether_addr(mgmt->da)) 3104d0ff7383SNaveen Gangadharan return false; 3105d0ff7383SNaveen Gangadharan 3106d0ff7383SNaveen Gangadharan conn = ath6kl_find_sta(vif, mgmt->da); 3107d0ff7383SNaveen Gangadharan if (!conn) 3108d0ff7383SNaveen Gangadharan return false; 3109d0ff7383SNaveen Gangadharan 3110d0ff7383SNaveen Gangadharan if (conn->sta_flags & STA_PS_SLEEP) { 3111d0ff7383SNaveen Gangadharan if (!(conn->sta_flags & STA_PS_POLLED)) { 3112d0ff7383SNaveen Gangadharan /* Queue the frames if the STA is sleeping */ 3113d0ff7383SNaveen Gangadharan mgmt_buf_size = len + sizeof(struct ath6kl_mgmt_buff); 3114d0ff7383SNaveen Gangadharan mgmt_buf = kmalloc(mgmt_buf_size, GFP_KERNEL); 3115d0ff7383SNaveen Gangadharan if (!mgmt_buf) 3116d0ff7383SNaveen Gangadharan return false; 3117d0ff7383SNaveen Gangadharan 3118d0ff7383SNaveen Gangadharan INIT_LIST_HEAD(&mgmt_buf->list); 3119d0ff7383SNaveen Gangadharan mgmt_buf->id = id; 3120d0ff7383SNaveen Gangadharan mgmt_buf->freq = freq; 3121d0ff7383SNaveen Gangadharan mgmt_buf->wait = wait; 3122d0ff7383SNaveen Gangadharan mgmt_buf->len = len; 3123d0ff7383SNaveen Gangadharan mgmt_buf->no_cck = no_cck; 3124d0ff7383SNaveen Gangadharan memcpy(mgmt_buf->buf, buf, len); 3125d0ff7383SNaveen Gangadharan spin_lock_bh(&conn->psq_lock); 3126d0ff7383SNaveen Gangadharan is_psq_empty = skb_queue_empty(&conn->psq) && 3127d0ff7383SNaveen Gangadharan (conn->mgmt_psq_len == 0); 3128d0ff7383SNaveen Gangadharan list_add_tail(&mgmt_buf->list, &conn->mgmt_psq); 3129d0ff7383SNaveen Gangadharan conn->mgmt_psq_len++; 3130d0ff7383SNaveen Gangadharan spin_unlock_bh(&conn->psq_lock); 3131d0ff7383SNaveen Gangadharan 3132d0ff7383SNaveen Gangadharan /* 3133d0ff7383SNaveen Gangadharan * If this is the first pkt getting queued 3134d0ff7383SNaveen Gangadharan * for this STA, update the PVB for this 3135d0ff7383SNaveen Gangadharan * STA. 3136d0ff7383SNaveen Gangadharan */ 3137d0ff7383SNaveen Gangadharan if (is_psq_empty) 3138d0ff7383SNaveen Gangadharan ath6kl_wmi_set_pvb_cmd(ar->wmi, vif->fw_vif_idx, 3139d0ff7383SNaveen Gangadharan conn->aid, 1); 3140d0ff7383SNaveen Gangadharan return true; 3141d0ff7383SNaveen Gangadharan } 3142d0ff7383SNaveen Gangadharan 3143d0ff7383SNaveen Gangadharan /* 3144d0ff7383SNaveen Gangadharan * This tx is because of a PsPoll. 3145d0ff7383SNaveen Gangadharan * Determine if MoreData bit has to be set. 3146d0ff7383SNaveen Gangadharan */ 3147d0ff7383SNaveen Gangadharan spin_lock_bh(&conn->psq_lock); 3148d0ff7383SNaveen Gangadharan if (!skb_queue_empty(&conn->psq) || (conn->mgmt_psq_len != 0)) 3149d0ff7383SNaveen Gangadharan *more_data = true; 3150d0ff7383SNaveen Gangadharan spin_unlock_bh(&conn->psq_lock); 3151d0ff7383SNaveen Gangadharan } 3152d0ff7383SNaveen Gangadharan 3153d0ff7383SNaveen Gangadharan return false; 3154d0ff7383SNaveen Gangadharan } 3155d0ff7383SNaveen Gangadharan 3156c86e4f44SAarthi Thiruvengadam /* Check if SSID length is greater than DIRECT- */ 3157c86e4f44SAarthi Thiruvengadam static bool ath6kl_is_p2p_go_ssid(const u8 *buf, size_t len) 3158c86e4f44SAarthi Thiruvengadam { 3159c86e4f44SAarthi Thiruvengadam const struct ieee80211_mgmt *mgmt; 3160c86e4f44SAarthi Thiruvengadam mgmt = (const struct ieee80211_mgmt *) buf; 3161c86e4f44SAarthi Thiruvengadam 3162c86e4f44SAarthi Thiruvengadam /* variable[1] contains the SSID tag length */ 3163c86e4f44SAarthi Thiruvengadam if (buf + len >= &mgmt->u.probe_resp.variable[1] && 3164c86e4f44SAarthi Thiruvengadam (mgmt->u.probe_resp.variable[1] > P2P_WILDCARD_SSID_LEN)) { 3165c86e4f44SAarthi Thiruvengadam return true; 3166c86e4f44SAarthi Thiruvengadam } 3167c86e4f44SAarthi Thiruvengadam 3168c86e4f44SAarthi Thiruvengadam return false; 3169c86e4f44SAarthi Thiruvengadam } 3170c86e4f44SAarthi Thiruvengadam 317171bbc994SJohannes Berg static int ath6kl_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, 31728a6c8060SJouni Malinen struct ieee80211_channel *chan, bool offchan, 317342d97a59SJohannes Berg unsigned int wait, const u8 *buf, size_t len, 317442d97a59SJohannes Berg bool no_cck, bool dont_wait_for_ack, u64 *cookie) 31758a6c8060SJouni Malinen { 317671bbc994SJohannes Berg struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev); 317771bbc994SJohannes Berg struct ath6kl *ar = ath6kl_priv(vif->ndev); 31788a6c8060SJouni Malinen u32 id; 31798bdfbf40SJouni Malinen const struct ieee80211_mgmt *mgmt; 3180d0ff7383SNaveen Gangadharan bool more_data, queued; 31818bdfbf40SJouni Malinen 31828bdfbf40SJouni Malinen mgmt = (const struct ieee80211_mgmt *) buf; 3183c86e4f44SAarthi Thiruvengadam if (vif->nw_type == AP_NETWORK && test_bit(CONNECTED, &vif->flags) && 3184c86e4f44SAarthi Thiruvengadam ieee80211_is_probe_resp(mgmt->frame_control) && 3185c86e4f44SAarthi Thiruvengadam ath6kl_is_p2p_go_ssid(buf, len)) { 31868bdfbf40SJouni Malinen /* 3187c86e4f44SAarthi Thiruvengadam * Send Probe Response frame in GO mode using a separate WMI 31888bdfbf40SJouni Malinen * command to allow the target to fill in the generic IEs. 31898bdfbf40SJouni Malinen */ 31908bdfbf40SJouni Malinen *cookie = 0; /* TX status not supported */ 3191334234b5SVasanthakumar Thiagarajan return ath6kl_send_go_probe_resp(vif, buf, len, 31928bdfbf40SJouni Malinen chan->center_freq); 31938bdfbf40SJouni Malinen } 31948a6c8060SJouni Malinen 3195cf5333d7SVasanthakumar Thiagarajan id = vif->send_action_id++; 31968a6c8060SJouni Malinen if (id == 0) { 31978a6c8060SJouni Malinen /* 31988a6c8060SJouni Malinen * 0 is a reserved value in the WMI command and shall not be 31998a6c8060SJouni Malinen * used for the command. 32008a6c8060SJouni Malinen */ 3201cf5333d7SVasanthakumar Thiagarajan id = vif->send_action_id++; 32028a6c8060SJouni Malinen } 32038a6c8060SJouni Malinen 32048a6c8060SJouni Malinen *cookie = id; 32053ca9d1fcSAarthi Thiruvengadam 3206d0ff7383SNaveen Gangadharan /* AP mode Power saving processing */ 3207d0ff7383SNaveen Gangadharan if (vif->nw_type == AP_NETWORK) { 3208d0ff7383SNaveen Gangadharan queued = ath6kl_mgmt_powersave_ap(vif, 3209d0ff7383SNaveen Gangadharan id, chan->center_freq, 3210d0ff7383SNaveen Gangadharan wait, buf, 3211d0ff7383SNaveen Gangadharan len, &more_data, no_cck); 3212d0ff7383SNaveen Gangadharan if (queued) 3213d0ff7383SNaveen Gangadharan return 0; 3214d0ff7383SNaveen Gangadharan } 3215d0ff7383SNaveen Gangadharan 32163ca9d1fcSAarthi Thiruvengadam return ath6kl_wmi_send_mgmt_cmd(ar->wmi, vif->fw_vif_idx, id, 32173ca9d1fcSAarthi Thiruvengadam chan->center_freq, wait, 32183ca9d1fcSAarthi Thiruvengadam buf, len, no_cck); 32193ca9d1fcSAarthi Thiruvengadam } 32208a6c8060SJouni Malinen 3221ae32c30aSJouni Malinen static void ath6kl_mgmt_frame_register(struct wiphy *wiphy, 322271bbc994SJohannes Berg struct wireless_dev *wdev, 3223ae32c30aSJouni Malinen u16 frame_type, bool reg) 3224ae32c30aSJouni Malinen { 322571bbc994SJohannes Berg struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev); 3226ae32c30aSJouni Malinen 3227ae32c30aSJouni Malinen ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: frame_type=0x%x reg=%d\n", 3228ae32c30aSJouni Malinen __func__, frame_type, reg); 3229ae32c30aSJouni Malinen if (frame_type == IEEE80211_STYPE_PROBE_REQ) { 3230ae32c30aSJouni Malinen /* 3231ae32c30aSJouni Malinen * Note: This notification callback is not allowed to sleep, so 3232ae32c30aSJouni Malinen * we cannot send WMI_PROBE_REQ_REPORT_CMD here. Instead, we 3233ae32c30aSJouni Malinen * hardcode target to report Probe Request frames all the time. 3234ae32c30aSJouni Malinen */ 3235cf5333d7SVasanthakumar Thiagarajan vif->probe_req_report = reg; 3236ae32c30aSJouni Malinen } 3237ae32c30aSJouni Malinen } 3238ae32c30aSJouni Malinen 323910509f90SKalle Valo static int ath6kl_cfg80211_sscan_start(struct wiphy *wiphy, 324010509f90SKalle Valo struct net_device *dev, 324110509f90SKalle Valo struct cfg80211_sched_scan_request *request) 324210509f90SKalle Valo { 324310509f90SKalle Valo struct ath6kl *ar = ath6kl_priv(dev); 324410509f90SKalle Valo struct ath6kl_vif *vif = netdev_priv(dev); 324510509f90SKalle Valo u16 interval; 324685b20fc2SThomas Pedersen int ret, rssi_thold; 324710509f90SKalle Valo 324810509f90SKalle Valo if (ar->state != ATH6KL_STATE_ON) 324910509f90SKalle Valo return -EIO; 325010509f90SKalle Valo 325110509f90SKalle Valo if (vif->sme_state != SME_DISCONNECTED) 325210509f90SKalle Valo return -EBUSY; 325310509f90SKalle Valo 3254b4d13d3bSKalle Valo ath6kl_cfg80211_scan_complete_event(vif, true); 3255b4d13d3bSKalle Valo 32563b8ffc6aSJouni Malinen ret = ath6kl_set_probed_ssids(ar, vif, request->ssids, 3257dd45b759SNaveen Singh request->n_ssids, 3258dd45b759SNaveen Singh request->match_sets, 3259dd45b759SNaveen Singh request->n_match_sets); 32603b8ffc6aSJouni Malinen if (ret < 0) 32613b8ffc6aSJouni Malinen return ret; 326210509f90SKalle Valo 3263dd45b759SNaveen Singh if (!request->n_match_sets) { 3264dd45b759SNaveen Singh ret = ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx, 3265dd45b759SNaveen Singh ALL_BSS_FILTER, 0); 3266dd45b759SNaveen Singh if (ret < 0) 3267dd45b759SNaveen Singh return ret; 3268dd45b759SNaveen Singh } else { 3269dd45b759SNaveen Singh ret = ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx, 3270dd45b759SNaveen Singh MATCHED_SSID_FILTER, 0); 3271dd45b759SNaveen Singh if (ret < 0) 3272dd45b759SNaveen Singh return ret; 3273dd45b759SNaveen Singh } 3274dd45b759SNaveen Singh 327585b20fc2SThomas Pedersen if (test_bit(ATH6KL_FW_CAPABILITY_RSSI_SCAN_THOLD, 327685b20fc2SThomas Pedersen ar->fw_capabilities)) { 327785b20fc2SThomas Pedersen if (request->rssi_thold <= NL80211_SCAN_RSSI_THOLD_OFF) 327885b20fc2SThomas Pedersen rssi_thold = 0; 327985b20fc2SThomas Pedersen else if (request->rssi_thold < -127) 328085b20fc2SThomas Pedersen rssi_thold = -127; 328185b20fc2SThomas Pedersen else 328285b20fc2SThomas Pedersen rssi_thold = request->rssi_thold; 328385b20fc2SThomas Pedersen 328485b20fc2SThomas Pedersen ret = ath6kl_wmi_set_rssi_filter_cmd(ar->wmi, vif->fw_vif_idx, 328585b20fc2SThomas Pedersen rssi_thold); 328685b20fc2SThomas Pedersen if (ret) { 328785b20fc2SThomas Pedersen ath6kl_err("failed to set RSSI threshold for scan\n"); 328885b20fc2SThomas Pedersen return ret; 328985b20fc2SThomas Pedersen } 329085b20fc2SThomas Pedersen } 329185b20fc2SThomas Pedersen 329210509f90SKalle Valo /* fw uses seconds, also make sure that it's >0 */ 329310509f90SKalle Valo interval = max_t(u16, 1, request->interval / 1000); 329410509f90SKalle Valo 329510509f90SKalle Valo ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx, 329610509f90SKalle Valo interval, interval, 3297d472b5e4SSubramania Sharma Thandaveswaran vif->bg_scan_period, 0, 0, 0, 3, 0, 0, 0); 329810509f90SKalle Valo 329910509f90SKalle Valo /* this also clears IE in fw if it's not set */ 330010509f90SKalle Valo ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, 330110509f90SKalle Valo WMI_FRAME_PROBE_REQ, 330210509f90SKalle Valo request->ie, request->ie_len); 330310509f90SKalle Valo if (ret) { 3304f1ff32e8SJoe Perches ath6kl_warn("Failed to set probe request IE for scheduled scan: %d\n", 330510509f90SKalle Valo ret); 330610509f90SKalle Valo return ret; 330710509f90SKalle Valo } 330810509f90SKalle Valo 3309b1f47e3aSThomas Pedersen ret = ath6kl_wmi_enable_sched_scan_cmd(ar->wmi, vif->fw_vif_idx, true); 3310b1f47e3aSThomas Pedersen if (ret) 331110509f90SKalle Valo return ret; 331210509f90SKalle Valo 3313b1f47e3aSThomas Pedersen set_bit(SCHED_SCANNING, &vif->flags); 331410509f90SKalle Valo 3315b1f47e3aSThomas Pedersen return 0; 331610509f90SKalle Valo } 331710509f90SKalle Valo 331810509f90SKalle Valo static int ath6kl_cfg80211_sscan_stop(struct wiphy *wiphy, 331910509f90SKalle Valo struct net_device *dev) 332010509f90SKalle Valo { 332110509f90SKalle Valo struct ath6kl_vif *vif = netdev_priv(dev); 332210509f90SKalle Valo bool stopped; 332310509f90SKalle Valo 332410509f90SKalle Valo stopped = __ath6kl_cfg80211_sscan_stop(vif); 332510509f90SKalle Valo 332610509f90SKalle Valo if (!stopped) 332710509f90SKalle Valo return -EIO; 332810509f90SKalle Valo 332910509f90SKalle Valo return 0; 333010509f90SKalle Valo } 333110509f90SKalle Valo 333206e360acSBala Shanmugam static int ath6kl_cfg80211_set_bitrate(struct wiphy *wiphy, 333306e360acSBala Shanmugam struct net_device *dev, 333406e360acSBala Shanmugam const u8 *addr, 333506e360acSBala Shanmugam const struct cfg80211_bitrate_mask *mask) 333606e360acSBala Shanmugam { 333706e360acSBala Shanmugam struct ath6kl *ar = ath6kl_priv(dev); 333806e360acSBala Shanmugam struct ath6kl_vif *vif = netdev_priv(dev); 333906e360acSBala Shanmugam 334006e360acSBala Shanmugam return ath6kl_wmi_set_bitrate_mask(ar->wmi, vif->fw_vif_idx, 334106e360acSBala Shanmugam mask); 334206e360acSBala Shanmugam } 334306e360acSBala Shanmugam 3344279b2862SThomas Pedersen static int ath6kl_cfg80211_set_txe_config(struct wiphy *wiphy, 3345279b2862SThomas Pedersen struct net_device *dev, 3346279b2862SThomas Pedersen u32 rate, u32 pkts, u32 intvl) 3347279b2862SThomas Pedersen { 3348279b2862SThomas Pedersen struct ath6kl *ar = ath6kl_priv(dev); 3349279b2862SThomas Pedersen struct ath6kl_vif *vif = netdev_priv(dev); 3350279b2862SThomas Pedersen 3351279b2862SThomas Pedersen if (vif->nw_type != INFRA_NETWORK || 3352279b2862SThomas Pedersen !test_bit(ATH6KL_FW_CAPABILITY_TX_ERR_NOTIFY, ar->fw_capabilities)) 3353279b2862SThomas Pedersen return -EOPNOTSUPP; 3354279b2862SThomas Pedersen 3355279b2862SThomas Pedersen if (vif->sme_state != SME_CONNECTED) 3356279b2862SThomas Pedersen return -ENOTCONN; 3357279b2862SThomas Pedersen 3358279b2862SThomas Pedersen /* save this since the firmware won't report the interval */ 3359279b2862SThomas Pedersen vif->txe_intvl = intvl; 3360279b2862SThomas Pedersen 3361279b2862SThomas Pedersen return ath6kl_wmi_set_txe_notify(ar->wmi, vif->fw_vif_idx, 3362279b2862SThomas Pedersen rate, pkts, intvl); 3363279b2862SThomas Pedersen } 3364279b2862SThomas Pedersen 3365f80574aeSJouni Malinen static const struct ieee80211_txrx_stypes 3366f80574aeSJouni Malinen ath6kl_mgmt_stypes[NUM_NL80211_IFTYPES] = { 3367f80574aeSJouni Malinen [NL80211_IFTYPE_STATION] = { 3368f80574aeSJouni Malinen .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3369f80574aeSJouni Malinen BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 3370f80574aeSJouni Malinen .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3371f80574aeSJouni Malinen BIT(IEEE80211_STYPE_PROBE_REQ >> 4) 3372f80574aeSJouni Malinen }, 3373ba1f6fe3SJouni Malinen [NL80211_IFTYPE_AP] = { 3374ba1f6fe3SJouni Malinen .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3375ba1f6fe3SJouni Malinen BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 3376ba1f6fe3SJouni Malinen .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3377ba1f6fe3SJouni Malinen BIT(IEEE80211_STYPE_PROBE_REQ >> 4) 3378ba1f6fe3SJouni Malinen }, 3379f80574aeSJouni Malinen [NL80211_IFTYPE_P2P_CLIENT] = { 3380f80574aeSJouni Malinen .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3381f80574aeSJouni Malinen BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 3382f80574aeSJouni Malinen .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3383f80574aeSJouni Malinen BIT(IEEE80211_STYPE_PROBE_REQ >> 4) 3384f80574aeSJouni Malinen }, 3385f80574aeSJouni Malinen [NL80211_IFTYPE_P2P_GO] = { 3386f80574aeSJouni Malinen .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3387f80574aeSJouni Malinen BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 3388f80574aeSJouni Malinen .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3389f80574aeSJouni Malinen BIT(IEEE80211_STYPE_PROBE_REQ >> 4) 3390f80574aeSJouni Malinen }, 3391f80574aeSJouni Malinen }; 3392f80574aeSJouni Malinen 3393bdcd8170SKalle Valo static struct cfg80211_ops ath6kl_cfg80211_ops = { 339455055976SVasanthakumar Thiagarajan .add_virtual_intf = ath6kl_cfg80211_add_iface, 339555055976SVasanthakumar Thiagarajan .del_virtual_intf = ath6kl_cfg80211_del_iface, 3396bdcd8170SKalle Valo .change_virtual_intf = ath6kl_cfg80211_change_iface, 3397bdcd8170SKalle Valo .scan = ath6kl_cfg80211_scan, 3398bdcd8170SKalle Valo .connect = ath6kl_cfg80211_connect, 3399bdcd8170SKalle Valo .disconnect = ath6kl_cfg80211_disconnect, 3400bdcd8170SKalle Valo .add_key = ath6kl_cfg80211_add_key, 3401bdcd8170SKalle Valo .get_key = ath6kl_cfg80211_get_key, 3402bdcd8170SKalle Valo .del_key = ath6kl_cfg80211_del_key, 3403bdcd8170SKalle Valo .set_default_key = ath6kl_cfg80211_set_default_key, 3404bdcd8170SKalle Valo .set_wiphy_params = ath6kl_cfg80211_set_wiphy_params, 3405bdcd8170SKalle Valo .set_tx_power = ath6kl_cfg80211_set_txpower, 3406bdcd8170SKalle Valo .get_tx_power = ath6kl_cfg80211_get_txpower, 3407bdcd8170SKalle Valo .set_power_mgmt = ath6kl_cfg80211_set_power_mgmt, 3408bdcd8170SKalle Valo .join_ibss = ath6kl_cfg80211_join_ibss, 3409bdcd8170SKalle Valo .leave_ibss = ath6kl_cfg80211_leave_ibss, 3410bdcd8170SKalle Valo .get_station = ath6kl_get_station, 3411bdcd8170SKalle Valo .set_pmksa = ath6kl_set_pmksa, 3412bdcd8170SKalle Valo .del_pmksa = ath6kl_del_pmksa, 3413bdcd8170SKalle Valo .flush_pmksa = ath6kl_flush_pmksa, 3414003353b0SKalle Valo CFG80211_TESTMODE_CMD(ath6kl_tm_cmd) 3415abcb344bSKalle Valo #ifdef CONFIG_PM 341652d81a68SKalle Valo .suspend = __ath6kl_cfg80211_suspend, 341752d81a68SKalle Valo .resume = __ath6kl_cfg80211_resume, 3418abcb344bSKalle Valo #endif 34198860020eSJohannes Berg .start_ap = ath6kl_start_ap, 34208860020eSJohannes Berg .change_beacon = ath6kl_change_beacon, 34218860020eSJohannes Berg .stop_ap = ath6kl_stop_ap, 342233e5308dSJouni Malinen .del_station = ath6kl_del_station, 342323875136SJouni Malinen .change_station = ath6kl_change_station, 342463fa1e0cSJouni Malinen .remain_on_channel = ath6kl_remain_on_channel, 342563fa1e0cSJouni Malinen .cancel_remain_on_channel = ath6kl_cancel_remain_on_channel, 34268a6c8060SJouni Malinen .mgmt_tx = ath6kl_mgmt_tx, 3427ae32c30aSJouni Malinen .mgmt_frame_register = ath6kl_mgmt_frame_register, 342810509f90SKalle Valo .sched_scan_start = ath6kl_cfg80211_sscan_start, 342910509f90SKalle Valo .sched_scan_stop = ath6kl_cfg80211_sscan_stop, 343006e360acSBala Shanmugam .set_bitrate_mask = ath6kl_cfg80211_set_bitrate, 3431279b2862SThomas Pedersen .set_cqm_txe_config = ath6kl_cfg80211_set_txe_config, 3432bdcd8170SKalle Valo }; 3433bdcd8170SKalle Valo 34347125f01dSKalle Valo void ath6kl_cfg80211_stop(struct ath6kl_vif *vif) 3435ec4b7f60SKalle Valo { 343610509f90SKalle Valo ath6kl_cfg80211_sscan_disable(vif); 343710509f90SKalle Valo 3438ec4b7f60SKalle Valo switch (vif->sme_state) { 3439c97a31b0SKalle Valo case SME_DISCONNECTED: 3440c97a31b0SKalle Valo break; 3441ec4b7f60SKalle Valo case SME_CONNECTING: 3442ec4b7f60SKalle Valo cfg80211_connect_result(vif->ndev, vif->bssid, NULL, 0, 3443ec4b7f60SKalle Valo NULL, 0, 3444ec4b7f60SKalle Valo WLAN_STATUS_UNSPECIFIED_FAILURE, 3445ec4b7f60SKalle Valo GFP_KERNEL); 3446ec4b7f60SKalle Valo break; 3447ec4b7f60SKalle Valo case SME_CONNECTED: 3448ec4b7f60SKalle Valo cfg80211_disconnected(vif->ndev, 0, NULL, 0, GFP_KERNEL); 3449ec4b7f60SKalle Valo break; 3450ec4b7f60SKalle Valo } 3451ec4b7f60SKalle Valo 345258109df6SVasanthakumar Thiagarajan if (vif->ar->state != ATH6KL_STATE_RECOVERY && 345358109df6SVasanthakumar Thiagarajan (test_bit(CONNECTED, &vif->flags) || 345458109df6SVasanthakumar Thiagarajan test_bit(CONNECT_PEND, &vif->flags))) 34557125f01dSKalle Valo ath6kl_wmi_disconnect_cmd(vif->ar->wmi, vif->fw_vif_idx); 3456ec4b7f60SKalle Valo 3457ec4b7f60SKalle Valo vif->sme_state = SME_DISCONNECTED; 34581f405255SKalle Valo clear_bit(CONNECTED, &vif->flags); 34591f405255SKalle Valo clear_bit(CONNECT_PEND, &vif->flags); 3460ec4b7f60SKalle Valo 346184caf800SVasanthakumar Thiagarajan /* Stop netdev queues, needed during recovery */ 346284caf800SVasanthakumar Thiagarajan netif_stop_queue(vif->ndev); 346384caf800SVasanthakumar Thiagarajan netif_carrier_off(vif->ndev); 346484caf800SVasanthakumar Thiagarajan 3465ec4b7f60SKalle Valo /* disable scanning */ 346658109df6SVasanthakumar Thiagarajan if (vif->ar->state != ATH6KL_STATE_RECOVERY && 346758109df6SVasanthakumar Thiagarajan ath6kl_wmi_scanparams_cmd(vif->ar->wmi, vif->fw_vif_idx, 0xFFFF, 34687125f01dSKalle Valo 0, 0, 0, 0, 0, 0, 0, 0, 0) != 0) 34697125f01dSKalle Valo ath6kl_warn("failed to disable scan during stop\n"); 3470ec4b7f60SKalle Valo 3471ec4b7f60SKalle Valo ath6kl_cfg80211_scan_complete_event(vif, true); 3472ec4b7f60SKalle Valo } 3473ec4b7f60SKalle Valo 34747125f01dSKalle Valo void ath6kl_cfg80211_stop_all(struct ath6kl *ar) 34757125f01dSKalle Valo { 34767125f01dSKalle Valo struct ath6kl_vif *vif; 34777125f01dSKalle Valo 34787125f01dSKalle Valo vif = ath6kl_vif_first(ar); 347984caf800SVasanthakumar Thiagarajan if (!vif && ar->state != ATH6KL_STATE_RECOVERY) { 34807125f01dSKalle Valo /* save the current power mode before enabling power save */ 34817125f01dSKalle Valo ar->wmi->saved_pwr_mode = ar->wmi->pwr_mode; 34827125f01dSKalle Valo 34837125f01dSKalle Valo if (ath6kl_wmi_powermode_cmd(ar->wmi, 0, REC_POWER) != 0) 3484cdeb8602SKalle Valo ath6kl_warn("ath6kl_deep_sleep_enable: wmi_powermode_cmd failed\n"); 34857125f01dSKalle Valo return; 34867125f01dSKalle Valo } 34877125f01dSKalle Valo 34887125f01dSKalle Valo /* 34897125f01dSKalle Valo * FIXME: we should take ar->list_lock to protect changes in the 34907125f01dSKalle Valo * vif_list, but that's not trivial to do as ath6kl_cfg80211_stop() 34917125f01dSKalle Valo * sleeps. 34927125f01dSKalle Valo */ 34937125f01dSKalle Valo list_for_each_entry(vif, &ar->vif_list, list) 34947125f01dSKalle Valo ath6kl_cfg80211_stop(vif); 34957125f01dSKalle Valo } 34967125f01dSKalle Valo 34970c0280bdSLuis R. Rodriguez static void ath6kl_cfg80211_reg_notify(struct wiphy *wiphy, 349884841ba2SKalle Valo struct regulatory_request *request) 349984841ba2SKalle Valo { 350084841ba2SKalle Valo struct ath6kl *ar = wiphy_priv(wiphy); 350184841ba2SKalle Valo u32 rates[IEEE80211_NUM_BANDS]; 350284841ba2SKalle Valo int ret, i; 350384841ba2SKalle Valo 350484841ba2SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 3505ff7e6867SKalle Valo "cfg reg_notify %c%c%s%s initiator %d hint_type %d\n", 350684841ba2SKalle Valo request->alpha2[0], request->alpha2[1], 350784841ba2SKalle Valo request->intersect ? " intersect" : "", 350884841ba2SKalle Valo request->processed ? " processed" : "", 3509ff7e6867SKalle Valo request->initiator, request->user_reg_hint_type); 3510ff7e6867SKalle Valo 3511ff7e6867SKalle Valo if (request->user_reg_hint_type != NL80211_USER_REG_HINT_CELL_BASE) 35120c0280bdSLuis R. Rodriguez return; 351384841ba2SKalle Valo 351484841ba2SKalle Valo ret = ath6kl_wmi_set_regdomain_cmd(ar->wmi, request->alpha2); 351584841ba2SKalle Valo if (ret) { 351684841ba2SKalle Valo ath6kl_err("failed to set regdomain: %d\n", ret); 35170c0280bdSLuis R. Rodriguez return; 351884841ba2SKalle Valo } 351984841ba2SKalle Valo 352084841ba2SKalle Valo /* 352184841ba2SKalle Valo * Firmware will apply the regdomain change only after a scan is 352284841ba2SKalle Valo * issued and it will send a WMI_REGDOMAIN_EVENTID when it has been 352384841ba2SKalle Valo * changed. 352484841ba2SKalle Valo */ 352584841ba2SKalle Valo 352684841ba2SKalle Valo for (i = 0; i < IEEE80211_NUM_BANDS; i++) 352784841ba2SKalle Valo if (wiphy->bands[i]) 352884841ba2SKalle Valo rates[i] = (1 << wiphy->bands[i]->n_bitrates) - 1; 352984841ba2SKalle Valo 353084841ba2SKalle Valo 353184841ba2SKalle Valo ret = ath6kl_wmi_beginscan_cmd(ar->wmi, 0, WMI_LONG_SCAN, false, 353284841ba2SKalle Valo false, 0, ATH6KL_FG_SCAN_INTERVAL, 353384841ba2SKalle Valo 0, NULL, false, rates); 353484841ba2SKalle Valo if (ret) { 353584841ba2SKalle Valo ath6kl_err("failed to start scan for a regdomain change: %d\n", 353684841ba2SKalle Valo ret); 35370c0280bdSLuis R. Rodriguez return; 353884841ba2SKalle Valo } 353984841ba2SKalle Valo } 354084841ba2SKalle Valo 3541c25889e8SKalle Valo static int ath6kl_cfg80211_vif_init(struct ath6kl_vif *vif) 35428dafb70eSVasanthakumar Thiagarajan { 35437baef812SVasanthakumar Thiagarajan vif->aggr_cntxt = aggr_init(vif); 35442132c69cSVasanthakumar Thiagarajan if (!vif->aggr_cntxt) { 35458dafb70eSVasanthakumar Thiagarajan ath6kl_err("failed to initialize aggr\n"); 35468dafb70eSVasanthakumar Thiagarajan return -ENOMEM; 35478dafb70eSVasanthakumar Thiagarajan } 35488dafb70eSVasanthakumar Thiagarajan 3549de3ad713SVasanthakumar Thiagarajan setup_timer(&vif->disconnect_timer, disconnect_timer_handler, 3550108438bcSVasanthakumar Thiagarajan (unsigned long) vif->ndev); 355110509f90SKalle Valo setup_timer(&vif->sched_scan_timer, ath6kl_wmi_sscan_timer, 355210509f90SKalle Valo (unsigned long) vif); 355310509f90SKalle Valo 3554de3ad713SVasanthakumar Thiagarajan set_bit(WMM_ENABLED, &vif->flags); 3555478ac027SVasanthakumar Thiagarajan spin_lock_init(&vif->if_lock); 35568dafb70eSVasanthakumar Thiagarajan 355780abaf9bSVasanthakumar Thiagarajan INIT_LIST_HEAD(&vif->mc_filter); 355880abaf9bSVasanthakumar Thiagarajan 35598dafb70eSVasanthakumar Thiagarajan return 0; 35608dafb70eSVasanthakumar Thiagarajan } 35618dafb70eSVasanthakumar Thiagarajan 3562355b3a98SMohammed Shafi Shajakhan void ath6kl_cfg80211_vif_stop(struct ath6kl_vif *vif, bool wmi_ready) 3563355b3a98SMohammed Shafi Shajakhan { 3564355b3a98SMohammed Shafi Shajakhan static u8 bcast_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; 3565355b3a98SMohammed Shafi Shajakhan bool discon_issued; 3566355b3a98SMohammed Shafi Shajakhan 3567355b3a98SMohammed Shafi Shajakhan netif_stop_queue(vif->ndev); 3568355b3a98SMohammed Shafi Shajakhan 3569355b3a98SMohammed Shafi Shajakhan clear_bit(WLAN_ENABLED, &vif->flags); 3570355b3a98SMohammed Shafi Shajakhan 3571355b3a98SMohammed Shafi Shajakhan if (wmi_ready) { 3572355b3a98SMohammed Shafi Shajakhan discon_issued = test_bit(CONNECTED, &vif->flags) || 3573355b3a98SMohammed Shafi Shajakhan test_bit(CONNECT_PEND, &vif->flags); 3574355b3a98SMohammed Shafi Shajakhan ath6kl_disconnect(vif); 3575355b3a98SMohammed Shafi Shajakhan del_timer(&vif->disconnect_timer); 3576355b3a98SMohammed Shafi Shajakhan 3577355b3a98SMohammed Shafi Shajakhan if (discon_issued) 3578355b3a98SMohammed Shafi Shajakhan ath6kl_disconnect_event(vif, DISCONNECT_CMD, 3579355b3a98SMohammed Shafi Shajakhan (vif->nw_type & AP_NETWORK) ? 3580355b3a98SMohammed Shafi Shajakhan bcast_mac : vif->bssid, 3581355b3a98SMohammed Shafi Shajakhan 0, NULL, 0); 3582355b3a98SMohammed Shafi Shajakhan } 3583355b3a98SMohammed Shafi Shajakhan 3584355b3a98SMohammed Shafi Shajakhan if (vif->scan_req) { 3585355b3a98SMohammed Shafi Shajakhan cfg80211_scan_done(vif->scan_req, true); 3586355b3a98SMohammed Shafi Shajakhan vif->scan_req = NULL; 3587355b3a98SMohammed Shafi Shajakhan } 3588355b3a98SMohammed Shafi Shajakhan 3589355b3a98SMohammed Shafi Shajakhan /* need to clean up enhanced bmiss detection fw state */ 3590355b3a98SMohammed Shafi Shajakhan ath6kl_cfg80211_sta_bmiss_enhance(vif, false); 3591355b3a98SMohammed Shafi Shajakhan } 3592355b3a98SMohammed Shafi Shajakhan 3593c25889e8SKalle Valo void ath6kl_cfg80211_vif_cleanup(struct ath6kl_vif *vif) 35948dafb70eSVasanthakumar Thiagarajan { 359555055976SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 359680abaf9bSVasanthakumar Thiagarajan struct ath6kl_mc_filter *mc_filter, *tmp; 359755055976SVasanthakumar Thiagarajan 35982132c69cSVasanthakumar Thiagarajan aggr_module_destroy(vif->aggr_cntxt); 3599108438bcSVasanthakumar Thiagarajan 360055055976SVasanthakumar Thiagarajan ar->avail_idx_map |= BIT(vif->fw_vif_idx); 360155055976SVasanthakumar Thiagarajan 360255055976SVasanthakumar Thiagarajan if (vif->nw_type == ADHOC_NETWORK) 360355055976SVasanthakumar Thiagarajan ar->ibss_if_active = false; 360455055976SVasanthakumar Thiagarajan 360580abaf9bSVasanthakumar Thiagarajan list_for_each_entry_safe(mc_filter, tmp, &vif->mc_filter, list) { 360680abaf9bSVasanthakumar Thiagarajan list_del(&mc_filter->list); 360780abaf9bSVasanthakumar Thiagarajan kfree(mc_filter); 360880abaf9bSVasanthakumar Thiagarajan } 360980abaf9bSVasanthakumar Thiagarajan 361027929723SVasanthakumar Thiagarajan unregister_netdevice(vif->ndev); 361155055976SVasanthakumar Thiagarajan 361255055976SVasanthakumar Thiagarajan ar->num_vif--; 36138dafb70eSVasanthakumar Thiagarajan } 36148dafb70eSVasanthakumar Thiagarajan 3615552bff0cSJohannes Berg struct wireless_dev *ath6kl_interface_add(struct ath6kl *ar, const char *name, 361684efbb84SJohannes Berg enum nl80211_iftype type, 361784efbb84SJohannes Berg u8 fw_vif_idx, u8 nw_type) 36188dafb70eSVasanthakumar Thiagarajan { 36198dafb70eSVasanthakumar Thiagarajan struct net_device *ndev; 3620108438bcSVasanthakumar Thiagarajan struct ath6kl_vif *vif; 36218dafb70eSVasanthakumar Thiagarajan 362255055976SVasanthakumar Thiagarajan ndev = alloc_netdev(sizeof(*vif), name, ether_setup); 36238dafb70eSVasanthakumar Thiagarajan if (!ndev) 36248dafb70eSVasanthakumar Thiagarajan return NULL; 36258dafb70eSVasanthakumar Thiagarajan 3626108438bcSVasanthakumar Thiagarajan vif = netdev_priv(ndev); 3627108438bcSVasanthakumar Thiagarajan ndev->ieee80211_ptr = &vif->wdev; 3628108438bcSVasanthakumar Thiagarajan vif->wdev.wiphy = ar->wiphy; 3629108438bcSVasanthakumar Thiagarajan vif->ar = ar; 3630108438bcSVasanthakumar Thiagarajan vif->ndev = ndev; 3631108438bcSVasanthakumar Thiagarajan SET_NETDEV_DEV(ndev, wiphy_dev(vif->wdev.wiphy)); 3632108438bcSVasanthakumar Thiagarajan vif->wdev.netdev = ndev; 3633108438bcSVasanthakumar Thiagarajan vif->wdev.iftype = type; 3634334234b5SVasanthakumar Thiagarajan vif->fw_vif_idx = fw_vif_idx; 3635d0d670abSKalle Valo vif->nw_type = nw_type; 3636d0d670abSKalle Valo vif->next_mode = nw_type; 36378f46fccdSRaja Mani vif->listen_intvl_t = ATH6KL_DEFAULT_LISTEN_INTVAL; 3638ce0dc0cfSRaja Mani vif->bmiss_time_t = ATH6KL_DEFAULT_BMISS_TIME; 3639eb38987eSRaja Mani vif->bg_scan_period = 0; 364067b3f129SKiran Reddy vif->htcap[IEEE80211_BAND_2GHZ].ht_enable = true; 364167b3f129SKiran Reddy vif->htcap[IEEE80211_BAND_5GHZ].ht_enable = true; 36428dafb70eSVasanthakumar Thiagarajan 364355055976SVasanthakumar Thiagarajan memcpy(ndev->dev_addr, ar->mac_addr, ETH_ALEN); 3644c95dcb59SAarthi Thiruvengadam if (fw_vif_idx != 0) { 364555055976SVasanthakumar Thiagarajan ndev->dev_addr[0] = (ndev->dev_addr[0] ^ (1 << fw_vif_idx)) | 364655055976SVasanthakumar Thiagarajan 0x2; 3647c95dcb59SAarthi Thiruvengadam if (test_bit(ATH6KL_FW_CAPABILITY_CUSTOM_MAC_ADDR, 3648c95dcb59SAarthi Thiruvengadam ar->fw_capabilities)) 3649c95dcb59SAarthi Thiruvengadam ndev->dev_addr[4] ^= 0x80; 3650c95dcb59SAarthi Thiruvengadam } 365155055976SVasanthakumar Thiagarajan 36528dafb70eSVasanthakumar Thiagarajan init_netdev(ndev); 36538dafb70eSVasanthakumar Thiagarajan 3654e29f25f5SVasanthakumar Thiagarajan ath6kl_init_control_info(vif); 36558dafb70eSVasanthakumar Thiagarajan 3656c25889e8SKalle Valo if (ath6kl_cfg80211_vif_init(vif)) 36578dafb70eSVasanthakumar Thiagarajan goto err; 36588dafb70eSVasanthakumar Thiagarajan 365927929723SVasanthakumar Thiagarajan if (register_netdevice(ndev)) 36608dafb70eSVasanthakumar Thiagarajan goto err; 36618dafb70eSVasanthakumar Thiagarajan 366255055976SVasanthakumar Thiagarajan ar->avail_idx_map &= ~BIT(fw_vif_idx); 366314ee6f6bSVasanthakumar Thiagarajan vif->sme_state = SME_DISCONNECTED; 366459c98449SVasanthakumar Thiagarajan set_bit(WLAN_ENABLED, &vif->flags); 36658dafb70eSVasanthakumar Thiagarajan ar->wlan_pwr_state = WLAN_POWER_STATE_ON; 36668dafb70eSVasanthakumar Thiagarajan 366755055976SVasanthakumar Thiagarajan if (type == NL80211_IFTYPE_ADHOC) 366855055976SVasanthakumar Thiagarajan ar->ibss_if_active = true; 366955055976SVasanthakumar Thiagarajan 367011f6e40dSVasanthakumar Thiagarajan spin_lock_bh(&ar->list_lock); 3671990bd915SVasanthakumar Thiagarajan list_add_tail(&vif->list, &ar->vif_list); 367211f6e40dSVasanthakumar Thiagarajan spin_unlock_bh(&ar->list_lock); 3673990bd915SVasanthakumar Thiagarajan 367484efbb84SJohannes Berg return &vif->wdev; 36758dafb70eSVasanthakumar Thiagarajan 36768dafb70eSVasanthakumar Thiagarajan err: 367727929723SVasanthakumar Thiagarajan aggr_module_destroy(vif->aggr_cntxt); 367827929723SVasanthakumar Thiagarajan free_netdev(ndev); 3679bdcd8170SKalle Valo return NULL; 3680bdcd8170SKalle Valo } 3681bdcd8170SKalle Valo 3682964dc9e2SJohannes Berg #ifdef CONFIG_PM 3683964dc9e2SJohannes Berg static const struct wiphy_wowlan_support ath6kl_wowlan_support = { 3684964dc9e2SJohannes Berg .flags = WIPHY_WOWLAN_MAGIC_PKT | 3685964dc9e2SJohannes Berg WIPHY_WOWLAN_DISCONNECT | 3686964dc9e2SJohannes Berg WIPHY_WOWLAN_GTK_REKEY_FAILURE | 3687964dc9e2SJohannes Berg WIPHY_WOWLAN_SUPPORTS_GTK_REKEY | 3688964dc9e2SJohannes Berg WIPHY_WOWLAN_EAP_IDENTITY_REQ | 3689964dc9e2SJohannes Berg WIPHY_WOWLAN_4WAY_HANDSHAKE, 3690964dc9e2SJohannes Berg .n_patterns = WOW_MAX_FILTERS_PER_LIST, 3691964dc9e2SJohannes Berg .pattern_min_len = 1, 3692964dc9e2SJohannes Berg .pattern_max_len = WOW_PATTERN_SIZE, 3693964dc9e2SJohannes Berg }; 3694964dc9e2SJohannes Berg #endif 3695964dc9e2SJohannes Berg 369646d33a21SKalle Valo int ath6kl_cfg80211_init(struct ath6kl *ar) 369746d33a21SKalle Valo { 369846d33a21SKalle Valo struct wiphy *wiphy = ar->wiphy; 3699d92917e4SThomas Pedersen bool band_2gig = false, band_5gig = false, ht = false; 370046d33a21SKalle Valo int ret; 370146d33a21SKalle Valo 370246d33a21SKalle Valo wiphy->mgmt_stypes = ath6kl_mgmt_stypes; 370346d33a21SKalle Valo 370446d33a21SKalle Valo wiphy->max_remain_on_channel_duration = 5000; 370546d33a21SKalle Valo 370646d33a21SKalle Valo /* set device pointer for wiphy */ 370746d33a21SKalle Valo set_wiphy_dev(wiphy, ar->dev); 370846d33a21SKalle Valo 370946d33a21SKalle Valo wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | 371046d33a21SKalle Valo BIT(NL80211_IFTYPE_ADHOC) | 371146d33a21SKalle Valo BIT(NL80211_IFTYPE_AP); 371246d33a21SKalle Valo if (ar->p2p) { 371346d33a21SKalle Valo wiphy->interface_modes |= BIT(NL80211_IFTYPE_P2P_GO) | 371446d33a21SKalle Valo BIT(NL80211_IFTYPE_P2P_CLIENT); 371546d33a21SKalle Valo } 371646d33a21SKalle Valo 371784841ba2SKalle Valo if (config_enabled(CONFIG_ATH6KL_REGDOMAIN) && 3718ff7e6867SKalle Valo test_bit(ATH6KL_FW_CAPABILITY_REGDOMAIN, ar->fw_capabilities)) { 371984841ba2SKalle Valo wiphy->reg_notifier = ath6kl_cfg80211_reg_notify; 3720ff7e6867SKalle Valo ar->wiphy->features |= NL80211_FEATURE_CELL_BASE_REG_HINTS; 3721ff7e6867SKalle Valo } 372284841ba2SKalle Valo 372346d33a21SKalle Valo /* max num of ssids that can be probed during scanning */ 37248ab5415dSJouni Malinen wiphy->max_scan_ssids = MAX_PROBED_SSIDS; 3725dd45b759SNaveen Singh 3726dd45b759SNaveen Singh /* max num of ssids that can be matched after scan */ 3727dd45b759SNaveen Singh if (test_bit(ATH6KL_FW_CAPABILITY_SCHED_SCAN_MATCH_LIST, 3728dd45b759SNaveen Singh ar->fw_capabilities)) 3729dd45b759SNaveen Singh wiphy->max_match_sets = MAX_PROBED_SSIDS; 3730dd45b759SNaveen Singh 373146d33a21SKalle Valo wiphy->max_scan_ie_len = 1000; /* FIX: what is correct limit? */ 3732d92917e4SThomas Pedersen switch (ar->hw.cap) { 3733d92917e4SThomas Pedersen case WMI_11AN_CAP: 3734d92917e4SThomas Pedersen ht = true; 3735d92917e4SThomas Pedersen case WMI_11A_CAP: 3736d92917e4SThomas Pedersen band_5gig = true; 3737d92917e4SThomas Pedersen break; 3738d92917e4SThomas Pedersen case WMI_11GN_CAP: 3739d92917e4SThomas Pedersen ht = true; 3740d92917e4SThomas Pedersen case WMI_11G_CAP: 3741d92917e4SThomas Pedersen band_2gig = true; 3742d92917e4SThomas Pedersen break; 3743d92917e4SThomas Pedersen case WMI_11AGN_CAP: 3744d92917e4SThomas Pedersen ht = true; 3745d92917e4SThomas Pedersen case WMI_11AG_CAP: 3746d92917e4SThomas Pedersen band_2gig = true; 3747d92917e4SThomas Pedersen band_5gig = true; 3748d92917e4SThomas Pedersen break; 3749d92917e4SThomas Pedersen default: 3750d92917e4SThomas Pedersen ath6kl_err("invalid phy capability!\n"); 3751d92917e4SThomas Pedersen return -EINVAL; 3752d92917e4SThomas Pedersen } 3753d92917e4SThomas Pedersen 37547fd1ce7eSVasanthakumar Thiagarajan /* 37557fd1ce7eSVasanthakumar Thiagarajan * Even if the fw has HT support, advertise HT cap only when 37567fd1ce7eSVasanthakumar Thiagarajan * the firmware has support to override RSN capability, otherwise 37577fd1ce7eSVasanthakumar Thiagarajan * 4-way handshake would fail. 37587fd1ce7eSVasanthakumar Thiagarajan */ 37597fd1ce7eSVasanthakumar Thiagarajan if (!(ht && 37607fd1ce7eSVasanthakumar Thiagarajan test_bit(ATH6KL_FW_CAPABILITY_RSN_CAP_OVERRIDE, 37617fd1ce7eSVasanthakumar Thiagarajan ar->fw_capabilities))) { 3762d92917e4SThomas Pedersen ath6kl_band_2ghz.ht_cap.cap = 0; 3763d92917e4SThomas Pedersen ath6kl_band_2ghz.ht_cap.ht_supported = false; 3764d92917e4SThomas Pedersen ath6kl_band_5ghz.ht_cap.cap = 0; 3765d92917e4SThomas Pedersen ath6kl_band_5ghz.ht_cap.ht_supported = false; 3766d92917e4SThomas Pedersen } 376706e360acSBala Shanmugam 3768c0b34e2bSMohammed Shafi Shajakhan if (ar->hw.flags & ATH6KL_HW_64BIT_RATES) { 376906e360acSBala Shanmugam ath6kl_band_2ghz.ht_cap.mcs.rx_mask[0] = 0xff; 377006e360acSBala Shanmugam ath6kl_band_5ghz.ht_cap.mcs.rx_mask[0] = 0xff; 377106e360acSBala Shanmugam ath6kl_band_2ghz.ht_cap.mcs.rx_mask[1] = 0xff; 377206e360acSBala Shanmugam ath6kl_band_5ghz.ht_cap.mcs.rx_mask[1] = 0xff; 377306e360acSBala Shanmugam } else { 377406e360acSBala Shanmugam ath6kl_band_2ghz.ht_cap.mcs.rx_mask[0] = 0xff; 377506e360acSBala Shanmugam ath6kl_band_5ghz.ht_cap.mcs.rx_mask[0] = 0xff; 377606e360acSBala Shanmugam } 377706e360acSBala Shanmugam 3778d92917e4SThomas Pedersen if (band_2gig) 377946d33a21SKalle Valo wiphy->bands[IEEE80211_BAND_2GHZ] = &ath6kl_band_2ghz; 3780d92917e4SThomas Pedersen if (band_5gig) 378146d33a21SKalle Valo wiphy->bands[IEEE80211_BAND_5GHZ] = &ath6kl_band_5ghz; 3782d92917e4SThomas Pedersen 378346d33a21SKalle Valo wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; 378446d33a21SKalle Valo 378546d33a21SKalle Valo wiphy->cipher_suites = cipher_suites; 378646d33a21SKalle Valo wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites); 378746d33a21SKalle Valo 3788dfb89c56SJohannes Berg #ifdef CONFIG_PM 3789964dc9e2SJohannes Berg wiphy->wowlan = &ath6kl_wowlan_support; 3790dfb89c56SJohannes Berg #endif 379146d33a21SKalle Valo 37928ab5415dSJouni Malinen wiphy->max_sched_scan_ssids = MAX_PROBED_SSIDS; 379346d33a21SKalle Valo 3794f2afdac7SVasanthakumar Thiagarajan ar->wiphy->flags |= WIPHY_FLAG_SUPPORTS_FW_ROAM | 3795f2afdac7SVasanthakumar Thiagarajan WIPHY_FLAG_HAVE_AP_SME | 3796f2afdac7SVasanthakumar Thiagarajan WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL | 3797f2afdac7SVasanthakumar Thiagarajan WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD; 3798f2afdac7SVasanthakumar Thiagarajan 3799b1f47e3aSThomas Pedersen if (test_bit(ATH6KL_FW_CAPABILITY_SCHED_SCAN_V2, ar->fw_capabilities)) 3800f2afdac7SVasanthakumar Thiagarajan ar->wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN; 3801f2afdac7SVasanthakumar Thiagarajan 380203bdeb0dSVasanthakumar Thiagarajan if (test_bit(ATH6KL_FW_CAPABILITY_INACTIVITY_TIMEOUT, 380303bdeb0dSVasanthakumar Thiagarajan ar->fw_capabilities)) 3804b292219fSJohannes Berg ar->wiphy->features |= NL80211_FEATURE_INACTIVITY_TIMER; 380503bdeb0dSVasanthakumar Thiagarajan 3806f2afdac7SVasanthakumar Thiagarajan ar->wiphy->probe_resp_offload = 3807f2afdac7SVasanthakumar Thiagarajan NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS | 3808f2afdac7SVasanthakumar Thiagarajan NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 | 3809a432e7ccSJouni Malinen NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P; 3810f2afdac7SVasanthakumar Thiagarajan 381146d33a21SKalle Valo ret = wiphy_register(wiphy); 381246d33a21SKalle Valo if (ret < 0) { 381346d33a21SKalle Valo ath6kl_err("couldn't register wiphy device\n"); 381446d33a21SKalle Valo return ret; 381546d33a21SKalle Valo } 381646d33a21SKalle Valo 3817e5348a1eSVasanthakumar Thiagarajan ar->wiphy_registered = true; 3818e5348a1eSVasanthakumar Thiagarajan 381946d33a21SKalle Valo return 0; 382046d33a21SKalle Valo } 382146d33a21SKalle Valo 382246d33a21SKalle Valo void ath6kl_cfg80211_cleanup(struct ath6kl *ar) 3823bdcd8170SKalle Valo { 3824be98e3a4SVasanthakumar Thiagarajan wiphy_unregister(ar->wiphy); 3825e5348a1eSVasanthakumar Thiagarajan 3826e5348a1eSVasanthakumar Thiagarajan ar->wiphy_registered = false; 382745eaa78fSKalle Valo } 382846d33a21SKalle Valo 382945eaa78fSKalle Valo struct ath6kl *ath6kl_cfg80211_create(void) 383045eaa78fSKalle Valo { 383145eaa78fSKalle Valo struct ath6kl *ar; 383245eaa78fSKalle Valo struct wiphy *wiphy; 383345eaa78fSKalle Valo 383445eaa78fSKalle Valo /* create a new wiphy for use with cfg80211 */ 383545eaa78fSKalle Valo wiphy = wiphy_new(&ath6kl_cfg80211_ops, sizeof(struct ath6kl)); 383645eaa78fSKalle Valo 383745eaa78fSKalle Valo if (!wiphy) { 383845eaa78fSKalle Valo ath6kl_err("couldn't allocate wiphy device\n"); 383945eaa78fSKalle Valo return NULL; 384045eaa78fSKalle Valo } 384145eaa78fSKalle Valo 384245eaa78fSKalle Valo ar = wiphy_priv(wiphy); 384345eaa78fSKalle Valo ar->wiphy = wiphy; 384445eaa78fSKalle Valo 384545eaa78fSKalle Valo return ar; 384645eaa78fSKalle Valo } 384745eaa78fSKalle Valo 384845eaa78fSKalle Valo /* Note: ar variable must not be accessed after calling this! */ 384945eaa78fSKalle Valo void ath6kl_cfg80211_destroy(struct ath6kl *ar) 385045eaa78fSKalle Valo { 38511d2a4456SVasanthakumar Thiagarajan int i; 38521d2a4456SVasanthakumar Thiagarajan 38531d2a4456SVasanthakumar Thiagarajan for (i = 0; i < AP_MAX_NUM_STA; i++) 38541d2a4456SVasanthakumar Thiagarajan kfree(ar->sta_list[i].aggr_conn); 38551d2a4456SVasanthakumar Thiagarajan 3856be98e3a4SVasanthakumar Thiagarajan wiphy_free(ar->wiphy); 3857bdcd8170SKalle Valo } 385845eaa78fSKalle Valo 3859