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) { \ 3757fbcce3SJohannes Berg .band = NL80211_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) { \ 4657fbcce3SJohannes Berg .band = NL80211_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; 6896eb18137SDedy Lansky u16 cap_val; 6906eb18137SDedy Lansky enum ieee80211_bss_type bss_type; 69101cac476SJouni Malinen u8 *ie; 69201cac476SJouni Malinen 6934eab6f4fSRaja Mani if (nw_type & ADHOC_NETWORK) { 6944eab6f4fSRaja Mani cap_val = WLAN_CAPABILITY_IBSS; 6956eb18137SDedy Lansky bss_type = IEEE80211_BSS_TYPE_IBSS; 6964eab6f4fSRaja Mani } else { 6974eab6f4fSRaja Mani cap_val = WLAN_CAPABILITY_ESS; 6986eb18137SDedy Lansky bss_type = IEEE80211_BSS_TYPE_ESS; 6994eab6f4fSRaja Mani } 7004eab6f4fSRaja Mani 701be98e3a4SVasanthakumar Thiagarajan bss = cfg80211_get_bss(ar->wiphy, chan, bssid, 7024eab6f4fSRaja Mani vif->ssid, vif->ssid_len, 7036eb18137SDedy Lansky bss_type, IEEE80211_PRIVACY_ANY); 70401cac476SJouni Malinen if (bss == NULL) { 70501cac476SJouni Malinen /* 70601cac476SJouni Malinen * Since cfg80211 may not yet know about the BSS, 70701cac476SJouni Malinen * generate a partial entry until the first BSS info 70801cac476SJouni Malinen * event becomes available. 70901cac476SJouni Malinen * 71001cac476SJouni Malinen * Prepend SSID element since it is not included in the Beacon 71101cac476SJouni Malinen * IEs from the target. 71201cac476SJouni Malinen */ 7133450334fSVasanthakumar Thiagarajan ie = kmalloc(2 + vif->ssid_len + beacon_ie_len, GFP_KERNEL); 71401cac476SJouni Malinen if (ie == NULL) 7155e13fd35SVasanthakumar Thiagarajan return NULL; 71601cac476SJouni Malinen ie[0] = WLAN_EID_SSID; 7173450334fSVasanthakumar Thiagarajan ie[1] = vif->ssid_len; 7183450334fSVasanthakumar Thiagarajan memcpy(ie + 2, vif->ssid, vif->ssid_len); 7193450334fSVasanthakumar Thiagarajan memcpy(ie + 2 + vif->ssid_len, beacon_ie, beacon_ie_len); 720be98e3a4SVasanthakumar Thiagarajan bss = cfg80211_inform_bss(ar->wiphy, chan, 7215bc8c1f2SJohannes Berg CFG80211_BSS_FTYPE_UNKNOWN, 7224eab6f4fSRaja Mani bssid, 0, cap_val, 100, 7233450334fSVasanthakumar Thiagarajan ie, 2 + vif->ssid_len + beacon_ie_len, 72401cac476SJouni Malinen 0, GFP_KERNEL); 72501cac476SJouni Malinen if (bss) 726cdeb8602SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 727cdeb8602SKalle Valo "added bss %pM to cfg80211\n", bssid); 72801cac476SJouni Malinen kfree(ie); 729a5d8f9dfSKalle Valo } else { 7305e13fd35SVasanthakumar Thiagarajan ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "cfg80211 already has a bss\n"); 731a5d8f9dfSKalle Valo } 73201cac476SJouni Malinen 7335e13fd35SVasanthakumar Thiagarajan return bss; 73401cac476SJouni Malinen } 73501cac476SJouni Malinen 736240d2799SVasanthakumar Thiagarajan void ath6kl_cfg80211_connect_event(struct ath6kl_vif *vif, u16 channel, 737bdcd8170SKalle Valo u8 *bssid, u16 listen_intvl, 738bdcd8170SKalle Valo u16 beacon_intvl, 739bdcd8170SKalle Valo enum network_type nw_type, 740bdcd8170SKalle Valo u8 beacon_ie_len, u8 assoc_req_len, 741bdcd8170SKalle Valo u8 assoc_resp_len, u8 *assoc_info) 742bdcd8170SKalle Valo { 74301cac476SJouni Malinen struct ieee80211_channel *chan; 744240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 7455e13fd35SVasanthakumar Thiagarajan struct cfg80211_bss *bss; 746bdcd8170SKalle Valo 747bdcd8170SKalle Valo /* capinfo + listen interval */ 748bdcd8170SKalle Valo u8 assoc_req_ie_offset = sizeof(u16) + sizeof(u16); 749bdcd8170SKalle Valo 750bdcd8170SKalle Valo /* capinfo + status code + associd */ 751bdcd8170SKalle Valo u8 assoc_resp_ie_offset = sizeof(u16) + sizeof(u16) + sizeof(u16); 752bdcd8170SKalle Valo 753bdcd8170SKalle Valo u8 *assoc_req_ie = assoc_info + beacon_ie_len + assoc_req_ie_offset; 754bdcd8170SKalle Valo u8 *assoc_resp_ie = assoc_info + beacon_ie_len + assoc_req_len + 755bdcd8170SKalle Valo assoc_resp_ie_offset; 756bdcd8170SKalle Valo 757bdcd8170SKalle Valo assoc_req_len -= assoc_req_ie_offset; 758bdcd8170SKalle Valo assoc_resp_len -= assoc_resp_ie_offset; 759bdcd8170SKalle Valo 76032c10874SJouni Malinen /* 76132c10874SJouni Malinen * Store Beacon interval here; DTIM period will be available only once 76232c10874SJouni Malinen * a Beacon frame from the AP is seen. 76332c10874SJouni Malinen */ 764cf5333d7SVasanthakumar Thiagarajan vif->assoc_bss_beacon_int = beacon_intvl; 76559c98449SVasanthakumar Thiagarajan clear_bit(DTIM_PERIOD_AVAIL, &vif->flags); 76632c10874SJouni Malinen 767bdcd8170SKalle Valo if (nw_type & ADHOC_NETWORK) { 768551959d8SVasanthakumar Thiagarajan if (vif->wdev.iftype != NL80211_IFTYPE_ADHOC) { 769bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 770bdcd8170SKalle Valo "%s: ath6k not in ibss mode\n", __func__); 771bdcd8170SKalle Valo return; 772bdcd8170SKalle Valo } 773bdcd8170SKalle Valo } 774bdcd8170SKalle Valo 775bdcd8170SKalle Valo if (nw_type & INFRA_NETWORK) { 776551959d8SVasanthakumar Thiagarajan if (vif->wdev.iftype != NL80211_IFTYPE_STATION && 777551959d8SVasanthakumar Thiagarajan vif->wdev.iftype != NL80211_IFTYPE_P2P_CLIENT) { 778bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 779bdcd8170SKalle Valo "%s: ath6k not in station mode\n", __func__); 780bdcd8170SKalle Valo return; 781bdcd8170SKalle Valo } 782bdcd8170SKalle Valo } 783bdcd8170SKalle Valo 784be98e3a4SVasanthakumar Thiagarajan chan = ieee80211_get_channel(ar->wiphy, (int) channel); 785bdcd8170SKalle Valo 7865e13fd35SVasanthakumar Thiagarajan bss = ath6kl_add_bss_if_needed(vif, nw_type, bssid, chan, 7875e13fd35SVasanthakumar Thiagarajan assoc_info, beacon_ie_len); 7885e13fd35SVasanthakumar Thiagarajan if (!bss) { 7894eab6f4fSRaja Mani ath6kl_err("could not add cfg80211 bss entry\n"); 790bdcd8170SKalle Valo return; 791bdcd8170SKalle Valo } 792bdcd8170SKalle Valo 7934eab6f4fSRaja Mani if (nw_type & ADHOC_NETWORK) { 7944eab6f4fSRaja Mani ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "ad-hoc %s selected\n", 7954eab6f4fSRaja Mani nw_type & ADHOC_CREATOR ? "creator" : "joiner"); 796fe94f3a4SAntonio Quartulli cfg80211_ibss_joined(vif->ndev, bssid, chan, GFP_KERNEL); 7975b112d3dSJohannes Berg cfg80211_put_bss(ar->wiphy, bss); 79801cac476SJouni Malinen return; 79901cac476SJouni Malinen } 80001cac476SJouni Malinen 80114ee6f6bSVasanthakumar Thiagarajan if (vif->sme_state == SME_CONNECTING) { 802bdcd8170SKalle Valo /* inform connect result to cfg80211 */ 80314ee6f6bSVasanthakumar Thiagarajan vif->sme_state = SME_CONNECTED; 804240d2799SVasanthakumar Thiagarajan cfg80211_connect_result(vif->ndev, bssid, 805bdcd8170SKalle Valo assoc_req_ie, assoc_req_len, 806bdcd8170SKalle Valo assoc_resp_ie, assoc_resp_len, 807bdcd8170SKalle Valo WLAN_STATUS_SUCCESS, GFP_KERNEL); 8085b112d3dSJohannes Berg cfg80211_put_bss(ar->wiphy, bss); 80914ee6f6bSVasanthakumar Thiagarajan } else if (vif->sme_state == SME_CONNECTED) { 810bdcd8170SKalle Valo /* inform roam event to cfg80211 */ 8115e13fd35SVasanthakumar Thiagarajan cfg80211_roamed_bss(vif->ndev, bss, assoc_req_ie, assoc_req_len, 812bdcd8170SKalle Valo assoc_resp_ie, assoc_resp_len, GFP_KERNEL); 813bdcd8170SKalle Valo } 814bdcd8170SKalle Valo } 815bdcd8170SKalle Valo 816bdcd8170SKalle Valo static int ath6kl_cfg80211_disconnect(struct wiphy *wiphy, 817bdcd8170SKalle Valo struct net_device *dev, u16 reason_code) 818bdcd8170SKalle Valo { 819d6d5c06cSKalle Valo struct ath6kl *ar = ath6kl_priv(dev); 8203450334fSVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 821bdcd8170SKalle Valo 822bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: reason=%u\n", __func__, 823bdcd8170SKalle Valo reason_code); 824bdcd8170SKalle Valo 82510509f90SKalle Valo ath6kl_cfg80211_sscan_disable(vif); 82610509f90SKalle Valo 827990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 828bdcd8170SKalle Valo return -EIO; 829bdcd8170SKalle Valo 830bdcd8170SKalle Valo if (test_bit(DESTROY_IN_PROGRESS, &ar->flag)) { 831bdcd8170SKalle Valo ath6kl_err("busy, destroy in progress\n"); 832bdcd8170SKalle Valo return -EBUSY; 833bdcd8170SKalle Valo } 834bdcd8170SKalle Valo 835bdcd8170SKalle Valo if (down_interruptible(&ar->sem)) { 836bdcd8170SKalle Valo ath6kl_err("busy, couldn't get access\n"); 837bdcd8170SKalle Valo return -ERESTARTSYS; 838bdcd8170SKalle Valo } 839bdcd8170SKalle Valo 840cf5333d7SVasanthakumar Thiagarajan vif->reconnect_flag = 0; 841240d2799SVasanthakumar Thiagarajan ath6kl_disconnect(vif); 8423450334fSVasanthakumar Thiagarajan memset(vif->ssid, 0, sizeof(vif->ssid)); 8433450334fSVasanthakumar Thiagarajan vif->ssid_len = 0; 844bdcd8170SKalle Valo 845bdcd8170SKalle Valo if (!test_bit(SKIP_SCAN, &ar->flag)) 8468c8b65e3SVasanthakumar Thiagarajan memset(vif->req_bssid, 0, sizeof(vif->req_bssid)); 847bdcd8170SKalle Valo 848bdcd8170SKalle Valo up(&ar->sem); 849bdcd8170SKalle Valo 85014ee6f6bSVasanthakumar Thiagarajan vif->sme_state = SME_DISCONNECTED; 851170826ddSVasanthakumar Thiagarajan 852bdcd8170SKalle Valo return 0; 853bdcd8170SKalle Valo } 854bdcd8170SKalle Valo 855240d2799SVasanthakumar Thiagarajan void ath6kl_cfg80211_disconnect_event(struct ath6kl_vif *vif, u8 reason, 856bdcd8170SKalle Valo u8 *bssid, u8 assoc_resp_len, 857bdcd8170SKalle Valo u8 *assoc_info, u16 proto_reason) 858bdcd8170SKalle Valo { 859240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 86059c98449SVasanthakumar Thiagarajan 86114ee6f6bSVasanthakumar Thiagarajan if (vif->scan_req) { 8621d76250bSAvraham Stern struct cfg80211_scan_info info = { 8631d76250bSAvraham Stern .aborted = true, 8641d76250bSAvraham Stern }; 8651d76250bSAvraham Stern 8661d76250bSAvraham Stern cfg80211_scan_done(vif->scan_req, &info); 86714ee6f6bSVasanthakumar Thiagarajan vif->scan_req = NULL; 868bdcd8170SKalle Valo } 869bdcd8170SKalle Valo 870f5938f24SVasanthakumar Thiagarajan if (vif->nw_type & ADHOC_NETWORK) { 871fe94f3a4SAntonio Quartulli if (vif->wdev.iftype != NL80211_IFTYPE_ADHOC) 872bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 873bdcd8170SKalle Valo "%s: ath6k not in ibss mode\n", __func__); 874bdcd8170SKalle Valo return; 875bdcd8170SKalle Valo } 876bdcd8170SKalle Valo 877f5938f24SVasanthakumar Thiagarajan if (vif->nw_type & INFRA_NETWORK) { 878551959d8SVasanthakumar Thiagarajan if (vif->wdev.iftype != NL80211_IFTYPE_STATION && 879551959d8SVasanthakumar Thiagarajan vif->wdev.iftype != NL80211_IFTYPE_P2P_CLIENT) { 880bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 881bdcd8170SKalle Valo "%s: ath6k not in station mode\n", __func__); 882bdcd8170SKalle Valo return; 883bdcd8170SKalle Valo } 884bdcd8170SKalle Valo } 885bdcd8170SKalle Valo 88659c98449SVasanthakumar Thiagarajan clear_bit(CONNECT_PEND, &vif->flags); 887bdcd8170SKalle Valo 88814ee6f6bSVasanthakumar Thiagarajan if (vif->sme_state == SME_CONNECTING) { 889240d2799SVasanthakumar Thiagarajan cfg80211_connect_result(vif->ndev, 890bdcd8170SKalle Valo bssid, NULL, 0, 891bdcd8170SKalle Valo NULL, 0, 892bdcd8170SKalle Valo WLAN_STATUS_UNSPECIFIED_FAILURE, 893bdcd8170SKalle Valo GFP_KERNEL); 89414ee6f6bSVasanthakumar Thiagarajan } else if (vif->sme_state == SME_CONNECTED) { 89533a6664aSThomas Pedersen cfg80211_disconnected(vif->ndev, proto_reason, 89680279fb7SJohannes Berg NULL, 0, false, GFP_KERNEL); 897bdcd8170SKalle Valo } 898bdcd8170SKalle Valo 89914ee6f6bSVasanthakumar Thiagarajan vif->sme_state = SME_DISCONNECTED; 90033a6664aSThomas Pedersen 90133a6664aSThomas Pedersen /* 90233a6664aSThomas Pedersen * Send a disconnect command to target when a disconnect event is 90333a6664aSThomas Pedersen * received with reason code other than 3 (DISCONNECT_CMD - disconnect 90433a6664aSThomas Pedersen * request from host) to make the firmware stop trying to connect even 90533a6664aSThomas Pedersen * after giving disconnect event. There will be one more disconnect 90633a6664aSThomas Pedersen * event for this disconnect command with reason code DISCONNECT_CMD 90733a6664aSThomas Pedersen * which won't be notified to cfg80211. 90833a6664aSThomas Pedersen */ 90933a6664aSThomas Pedersen if (reason != DISCONNECT_CMD) 91033a6664aSThomas Pedersen ath6kl_wmi_disconnect_cmd(ar->wmi, vif->fw_vif_idx); 911bdcd8170SKalle Valo } 912bdcd8170SKalle Valo 9133b8ffc6aSJouni Malinen static int ath6kl_set_probed_ssids(struct ath6kl *ar, 9143b8ffc6aSJouni Malinen struct ath6kl_vif *vif, 915dd45b759SNaveen Singh struct cfg80211_ssid *ssids, int n_ssids, 916dd45b759SNaveen Singh struct cfg80211_match_set *match_set, 917dd45b759SNaveen Singh int n_match_ssid) 9183b8ffc6aSJouni Malinen { 919dd45b759SNaveen Singh u8 i, j, index_to_add, ssid_found = false; 920dd45b759SNaveen Singh struct ath6kl_cfg80211_match_probe_ssid ssid_list[MAX_PROBED_SSIDS]; 9213b8ffc6aSJouni Malinen 922dd45b759SNaveen Singh memset(ssid_list, 0, sizeof(ssid_list)); 923dd45b759SNaveen Singh 924dd45b759SNaveen Singh if (n_ssids > MAX_PROBED_SSIDS || 925dd45b759SNaveen Singh n_match_ssid > MAX_PROBED_SSIDS) 9263b8ffc6aSJouni Malinen return -EINVAL; 9273b8ffc6aSJouni Malinen 9283b8ffc6aSJouni Malinen for (i = 0; i < n_ssids; i++) { 929dd45b759SNaveen Singh memcpy(ssid_list[i].ssid.ssid, 930dd45b759SNaveen Singh ssids[i].ssid, 931dd45b759SNaveen Singh ssids[i].ssid_len); 932dd45b759SNaveen Singh ssid_list[i].ssid.ssid_len = ssids[i].ssid_len; 933dd45b759SNaveen Singh 934dd45b759SNaveen Singh if (ssids[i].ssid_len) 935dd45b759SNaveen Singh ssid_list[i].flag = SPECIFIC_SSID_FLAG; 936dd45b759SNaveen Singh else 937dd45b759SNaveen Singh ssid_list[i].flag = ANY_SSID_FLAG; 938dd45b759SNaveen Singh 939dd45b759SNaveen Singh if (n_match_ssid == 0) 940dd45b759SNaveen Singh ssid_list[i].flag |= MATCH_SSID_FLAG; 941dd45b759SNaveen Singh } 942dd45b759SNaveen Singh 943dd45b759SNaveen Singh index_to_add = i; 944dd45b759SNaveen Singh 945dd45b759SNaveen Singh for (i = 0; i < n_match_ssid; i++) { 946dd45b759SNaveen Singh ssid_found = false; 947dd45b759SNaveen Singh 948dd45b759SNaveen Singh for (j = 0; j < n_ssids; j++) { 949dd45b759SNaveen Singh if ((match_set[i].ssid.ssid_len == 950dd45b759SNaveen Singh ssid_list[j].ssid.ssid_len) && 951dd45b759SNaveen Singh (!memcmp(ssid_list[j].ssid.ssid, 952dd45b759SNaveen Singh match_set[i].ssid.ssid, 953dd45b759SNaveen Singh match_set[i].ssid.ssid_len))) { 954dd45b759SNaveen Singh ssid_list[j].flag |= MATCH_SSID_FLAG; 955dd45b759SNaveen Singh ssid_found = true; 956dd45b759SNaveen Singh break; 957dd45b759SNaveen Singh } 958dd45b759SNaveen Singh } 959dd45b759SNaveen Singh 960dd45b759SNaveen Singh if (ssid_found) 961dd45b759SNaveen Singh continue; 962dd45b759SNaveen Singh 963dd45b759SNaveen Singh if (index_to_add >= MAX_PROBED_SSIDS) 964dd45b759SNaveen Singh continue; 965dd45b759SNaveen Singh 966dd45b759SNaveen Singh ssid_list[index_to_add].ssid.ssid_len = 967dd45b759SNaveen Singh match_set[i].ssid.ssid_len; 968dd45b759SNaveen Singh memcpy(ssid_list[index_to_add].ssid.ssid, 969dd45b759SNaveen Singh match_set[i].ssid.ssid, 970dd45b759SNaveen Singh match_set[i].ssid.ssid_len); 971dd45b759SNaveen Singh ssid_list[index_to_add].flag |= MATCH_SSID_FLAG; 972dd45b759SNaveen Singh index_to_add++; 973dd45b759SNaveen Singh } 974dd45b759SNaveen Singh 975dd45b759SNaveen Singh for (i = 0; i < index_to_add; i++) { 9763b8ffc6aSJouni Malinen ath6kl_wmi_probedssid_cmd(ar->wmi, vif->fw_vif_idx, i, 977dd45b759SNaveen Singh ssid_list[i].flag, 978dd45b759SNaveen Singh ssid_list[i].ssid.ssid_len, 979dd45b759SNaveen Singh ssid_list[i].ssid.ssid); 9803b8ffc6aSJouni Malinen } 9813b8ffc6aSJouni Malinen 9823b8ffc6aSJouni Malinen /* Make sure no old entries are left behind */ 983dd45b759SNaveen Singh for (i = index_to_add; i < MAX_PROBED_SSIDS; i++) { 9843b8ffc6aSJouni Malinen ath6kl_wmi_probedssid_cmd(ar->wmi, vif->fw_vif_idx, i, 9853b8ffc6aSJouni Malinen DISABLE_SSID_FLAG, 0, NULL); 9863b8ffc6aSJouni Malinen } 9873b8ffc6aSJouni Malinen 9883b8ffc6aSJouni Malinen return 0; 9893b8ffc6aSJouni Malinen } 9903b8ffc6aSJouni Malinen 991fd014284SJohannes Berg static int ath6kl_cfg80211_scan(struct wiphy *wiphy, 992bdcd8170SKalle Valo struct cfg80211_scan_request *request) 993bdcd8170SKalle Valo { 994fd014284SJohannes Berg struct ath6kl_vif *vif = ath6kl_vif_from_wdev(request->wdev); 995fd014284SJohannes Berg struct ath6kl *ar = ath6kl_priv(vif->ndev); 9961276c9efSEdward Lu s8 n_channels = 0; 9971276c9efSEdward Lu u16 *channels = NULL; 998bdcd8170SKalle Valo int ret = 0; 999f1f92179SVasanthakumar Thiagarajan u32 force_fg_scan = 0; 1000bdcd8170SKalle Valo 1001990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1002bdcd8170SKalle Valo return -EIO; 1003bdcd8170SKalle Valo 100410509f90SKalle Valo ath6kl_cfg80211_sscan_disable(vif); 100510509f90SKalle Valo 1006bdcd8170SKalle Valo if (!ar->usr_bss_filter) { 100759c98449SVasanthakumar Thiagarajan clear_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags); 1008954e6ce5SVasanthakumar Thiagarajan ret = ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx, 1009954e6ce5SVasanthakumar Thiagarajan ALL_BSS_FILTER, 0); 10101b1e6ee3SJouni Malinen if (ret) { 1011bdcd8170SKalle Valo ath6kl_err("couldn't set bss filtering\n"); 10121b1e6ee3SJouni Malinen return ret; 1013bdcd8170SKalle Valo } 1014bdcd8170SKalle Valo } 1015bdcd8170SKalle Valo 10163b8ffc6aSJouni Malinen ret = ath6kl_set_probed_ssids(ar, vif, request->ssids, 1017dd45b759SNaveen Singh request->n_ssids, NULL, 0); 10183b8ffc6aSJouni Malinen if (ret < 0) 10193b8ffc6aSJouni Malinen return ret; 1020bdcd8170SKalle Valo 1021080eec4fSAarthi Thiruvengadam /* this also clears IE in fw if it's not set */ 1022334234b5SVasanthakumar Thiagarajan ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, 1023334234b5SVasanthakumar Thiagarajan WMI_FRAME_PROBE_REQ, 1024b84da8c7SJouni Malinen request->ie, request->ie_len); 1025b84da8c7SJouni Malinen if (ret) { 1026f1ff32e8SJoe Perches ath6kl_err("failed to set Probe Request appie for scan\n"); 1027b84da8c7SJouni Malinen return ret; 1028b84da8c7SJouni Malinen } 1029b84da8c7SJouni Malinen 103011869befSJouni Malinen /* 103111869befSJouni Malinen * Scan only the requested channels if the request specifies a set of 103211869befSJouni Malinen * channels. If the list is longer than the target supports, do not 103311869befSJouni Malinen * configure the list and instead, scan all available channels. 103411869befSJouni Malinen */ 103511869befSJouni Malinen if (request->n_channels > 0 && 103611869befSJouni Malinen request->n_channels <= WMI_MAX_CHANNELS) { 10371276c9efSEdward Lu u8 i; 10381276c9efSEdward Lu 103911869befSJouni Malinen n_channels = request->n_channels; 10401276c9efSEdward Lu 10411276c9efSEdward Lu channels = kzalloc(n_channels * sizeof(u16), GFP_KERNEL); 10421276c9efSEdward Lu if (channels == NULL) { 1043cdeb8602SKalle Valo ath6kl_warn("failed to set scan channels, scan all channels"); 10441276c9efSEdward Lu n_channels = 0; 10451276c9efSEdward Lu } 10461276c9efSEdward Lu 10471276c9efSEdward Lu for (i = 0; i < n_channels; i++) 10481276c9efSEdward Lu channels[i] = request->channels[i]->center_freq; 10491276c9efSEdward Lu } 10501276c9efSEdward Lu 105159c98449SVasanthakumar Thiagarajan if (test_bit(CONNECTED, &vif->flags)) 1052f1f92179SVasanthakumar Thiagarajan force_fg_scan = 1; 1053f1f92179SVasanthakumar Thiagarajan 10545b35dff0SRaja Mani vif->scan_req = request; 10555b35dff0SRaja Mani 10563ca9d1fcSAarthi Thiruvengadam ret = ath6kl_wmi_beginscan_cmd(ar->wmi, vif->fw_vif_idx, 10573ca9d1fcSAarthi Thiruvengadam WMI_LONG_SCAN, force_fg_scan, 105813423c31SVasanthakumar Thiagarajan false, 0, 105913423c31SVasanthakumar Thiagarajan ATH6KL_FG_SCAN_INTERVAL, 106013423c31SVasanthakumar Thiagarajan n_channels, channels, 106113423c31SVasanthakumar Thiagarajan request->no_cck, 10623ca9d1fcSAarthi Thiruvengadam request->rates); 10635b35dff0SRaja Mani if (ret) { 106411f0bfcfSKalle Valo ath6kl_err("failed to start scan: %d\n", ret); 10655b35dff0SRaja Mani vif->scan_req = NULL; 10665b35dff0SRaja Mani } 1067bdcd8170SKalle Valo 10681276c9efSEdward Lu kfree(channels); 10691276c9efSEdward Lu 1070bdcd8170SKalle Valo return ret; 1071bdcd8170SKalle Valo } 1072bdcd8170SKalle Valo 10731c17d313SKalle Valo void ath6kl_cfg80211_scan_complete_event(struct ath6kl_vif *vif, bool aborted) 1074bdcd8170SKalle Valo { 1075240d2799SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 10761d76250bSAvraham Stern struct cfg80211_scan_info info = { 10771d76250bSAvraham Stern .aborted = aborted, 10781d76250bSAvraham Stern }; 10796fd1eaceSKalle Valo int i; 1080bdcd8170SKalle Valo 10811c17d313SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: status%s\n", __func__, 10821c17d313SKalle Valo aborted ? " aborted" : ""); 1083bdcd8170SKalle Valo 108414ee6f6bSVasanthakumar Thiagarajan if (!vif->scan_req) 10856fd1eaceSKalle Valo return; 10866fd1eaceSKalle Valo 10871c17d313SKalle Valo if (aborted) 10886fd1eaceSKalle Valo goto out; 1089bdcd8170SKalle Valo 109014ee6f6bSVasanthakumar Thiagarajan if (vif->scan_req->n_ssids && vif->scan_req->ssids[0].ssid_len) { 109114ee6f6bSVasanthakumar Thiagarajan for (i = 0; i < vif->scan_req->n_ssids; i++) { 1092334234b5SVasanthakumar Thiagarajan ath6kl_wmi_probedssid_cmd(ar->wmi, vif->fw_vif_idx, 1093334234b5SVasanthakumar Thiagarajan i + 1, DISABLE_SSID_FLAG, 1094bdcd8170SKalle Valo 0, NULL); 1095bdcd8170SKalle Valo } 1096bdcd8170SKalle Valo } 10976fd1eaceSKalle Valo 10986fd1eaceSKalle Valo out: 10991d76250bSAvraham Stern cfg80211_scan_done(vif->scan_req, &info); 110014ee6f6bSVasanthakumar Thiagarajan vif->scan_req = NULL; 1101bdcd8170SKalle Valo } 1102bdcd8170SKalle Valo 1103c4f7863eSThomas Pedersen void ath6kl_cfg80211_ch_switch_notify(struct ath6kl_vif *vif, int freq, 1104c4f7863eSThomas Pedersen enum wmi_phy_mode mode) 1105c4f7863eSThomas Pedersen { 1106683b6d3bSJohannes Berg struct cfg80211_chan_def chandef; 1107c4f7863eSThomas Pedersen 1108c4f7863eSThomas Pedersen ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1109c4f7863eSThomas Pedersen "channel switch notify nw_type %d freq %d mode %d\n", 1110c4f7863eSThomas Pedersen vif->nw_type, freq, mode); 1111c4f7863eSThomas Pedersen 11123d9d1d66SJohannes Berg cfg80211_chandef_create(&chandef, 11133d9d1d66SJohannes Berg ieee80211_get_channel(vif->ar->wiphy, freq), 1114f3651baeSPierre Le Magourou (mode == WMI_11G_HT20 && 1115f3651baeSPierre Le Magourou ath6kl_band_2ghz.ht_cap.ht_supported) ? 11163d9d1d66SJohannes Berg NL80211_CHAN_HT20 : NL80211_CHAN_NO_HT); 1117c4f7863eSThomas Pedersen 1118e487eaebSSimon Wunderlich mutex_lock(&vif->wdev.mtx); 1119683b6d3bSJohannes Berg cfg80211_ch_switch_notify(vif->ndev, &chandef); 1120e487eaebSSimon Wunderlich mutex_unlock(&vif->wdev.mtx); 1121c4f7863eSThomas Pedersen } 1122c4f7863eSThomas Pedersen 1123bdcd8170SKalle Valo static int ath6kl_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev, 1124bdcd8170SKalle Valo u8 key_index, bool pairwise, 1125bdcd8170SKalle Valo const u8 *mac_addr, 1126bdcd8170SKalle Valo struct key_params *params) 1127bdcd8170SKalle Valo { 1128d6d5c06cSKalle Valo struct ath6kl *ar = ath6kl_priv(ndev); 112959c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(ndev); 1130bdcd8170SKalle Valo struct ath6kl_key *key = NULL; 11314a8ce2fdSSujith Manoharan int seq_len; 1132bdcd8170SKalle Valo u8 key_usage; 1133bdcd8170SKalle Valo u8 key_type; 1134bdcd8170SKalle Valo 1135990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1136bdcd8170SKalle Valo return -EIO; 1137bdcd8170SKalle Valo 1138837cb97eSJouni Malinen if (params->cipher == CCKM_KRK_CIPHER_SUITE) { 1139837cb97eSJouni Malinen if (params->key_len != WMI_KRK_LEN) 1140837cb97eSJouni Malinen return -EINVAL; 1141240d2799SVasanthakumar Thiagarajan return ath6kl_wmi_add_krk_cmd(ar->wmi, vif->fw_vif_idx, 1142240d2799SVasanthakumar Thiagarajan params->key); 1143837cb97eSJouni Malinen } 1144837cb97eSJouni Malinen 1145792ecb33SVivek Natarajan if (key_index > WMI_MAX_KEY_INDEX) { 1146bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1147bdcd8170SKalle Valo "%s: key index %d out of bounds\n", __func__, 1148bdcd8170SKalle Valo key_index); 1149bdcd8170SKalle Valo return -ENOENT; 1150bdcd8170SKalle Valo } 1151bdcd8170SKalle Valo 11526f2a73f9SVasanthakumar Thiagarajan key = &vif->keys[key_index]; 1153bdcd8170SKalle Valo memset(key, 0, sizeof(struct ath6kl_key)); 1154bdcd8170SKalle Valo 1155bdcd8170SKalle Valo if (pairwise) 1156bdcd8170SKalle Valo key_usage = PAIRWISE_USAGE; 1157bdcd8170SKalle Valo else 1158bdcd8170SKalle Valo key_usage = GROUP_USAGE; 1159bdcd8170SKalle Valo 11604a8ce2fdSSujith Manoharan seq_len = params->seq_len; 11615e07021eSDai Shuibing if (params->cipher == WLAN_CIPHER_SUITE_SMS4 && 11625e07021eSDai Shuibing seq_len > ATH6KL_KEY_SEQ_LEN) { 11635e07021eSDai Shuibing /* Only first half of the WPI PN is configured */ 11645e07021eSDai Shuibing seq_len = ATH6KL_KEY_SEQ_LEN; 11655e07021eSDai Shuibing } 1166bdcd8170SKalle Valo if (params->key_len > WLAN_MAX_KEY_LEN || 11675e07021eSDai Shuibing seq_len > sizeof(key->seq)) 1168bdcd8170SKalle Valo return -EINVAL; 1169bdcd8170SKalle Valo 1170bdcd8170SKalle Valo key->key_len = params->key_len; 1171bdcd8170SKalle Valo memcpy(key->key, params->key, key->key_len); 11725e07021eSDai Shuibing key->seq_len = seq_len; 1173bdcd8170SKalle Valo memcpy(key->seq, params->seq, key->seq_len); 1174bdcd8170SKalle Valo key->cipher = params->cipher; 1175bdcd8170SKalle Valo 1176bdcd8170SKalle Valo switch (key->cipher) { 1177bdcd8170SKalle Valo case WLAN_CIPHER_SUITE_WEP40: 1178bdcd8170SKalle Valo case WLAN_CIPHER_SUITE_WEP104: 1179bdcd8170SKalle Valo key_type = WEP_CRYPT; 1180bdcd8170SKalle Valo break; 1181bdcd8170SKalle Valo 1182bdcd8170SKalle Valo case WLAN_CIPHER_SUITE_TKIP: 1183bdcd8170SKalle Valo key_type = TKIP_CRYPT; 1184bdcd8170SKalle Valo break; 1185bdcd8170SKalle Valo 1186bdcd8170SKalle Valo case WLAN_CIPHER_SUITE_CCMP: 1187bdcd8170SKalle Valo key_type = AES_CRYPT; 1188bdcd8170SKalle Valo break; 11895e07021eSDai Shuibing case WLAN_CIPHER_SUITE_SMS4: 11905e07021eSDai Shuibing key_type = WAPI_CRYPT; 11915e07021eSDai Shuibing break; 1192bdcd8170SKalle Valo 1193bdcd8170SKalle Valo default: 1194bdcd8170SKalle Valo return -ENOTSUPP; 1195bdcd8170SKalle Valo } 1196bdcd8170SKalle Valo 1197ddc3d77cSKalle Valo if (((vif->auth_mode == WPA_PSK_AUTH) || 1198ddc3d77cSKalle Valo (vif->auth_mode == WPA2_PSK_AUTH)) && 1199ddc3d77cSKalle Valo (key_usage & GROUP_USAGE)) 1200de3ad713SVasanthakumar Thiagarajan del_timer(&vif->disconnect_timer); 1201bdcd8170SKalle Valo 1202bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1203bdcd8170SKalle Valo "%s: index %d, key_len %d, key_type 0x%x, key_usage 0x%x, seq_len %d\n", 1204bdcd8170SKalle Valo __func__, key_index, key->key_len, key_type, 1205bdcd8170SKalle Valo key_usage, key->seq_len); 1206bdcd8170SKalle Valo 1207f5938f24SVasanthakumar Thiagarajan if (vif->nw_type == AP_NETWORK && !pairwise && 12084703290aSJouni Malinen (key_type == TKIP_CRYPT || key_type == AES_CRYPT || 1209cc4d623dSVasanthakumar Thiagarajan key_type == WAPI_CRYPT)) { 12109a5b1318SJouni Malinen ar->ap_mode_bkey.valid = true; 12119a5b1318SJouni Malinen ar->ap_mode_bkey.key_index = key_index; 12129a5b1318SJouni Malinen ar->ap_mode_bkey.key_type = key_type; 12139a5b1318SJouni Malinen ar->ap_mode_bkey.key_len = key->key_len; 12149a5b1318SJouni Malinen memcpy(ar->ap_mode_bkey.key, key->key, key->key_len); 121559c98449SVasanthakumar Thiagarajan if (!test_bit(CONNECTED, &vif->flags)) { 1216cdeb8602SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1217cdeb8602SKalle Valo "Delay initial group key configuration until AP mode has been started\n"); 12189a5b1318SJouni Malinen /* 12199a5b1318SJouni Malinen * The key will be set in ath6kl_connect_ap_mode() once 12209a5b1318SJouni Malinen * the connected event is received from the target. 12219a5b1318SJouni Malinen */ 12229a5b1318SJouni Malinen return 0; 12239a5b1318SJouni Malinen } 12249a5b1318SJouni Malinen } 12259a5b1318SJouni Malinen 1226f5938f24SVasanthakumar Thiagarajan if (vif->next_mode == AP_NETWORK && key_type == WEP_CRYPT && 122759c98449SVasanthakumar Thiagarajan !test_bit(CONNECTED, &vif->flags)) { 1228151411e8SJouni Malinen /* 1229151411e8SJouni Malinen * Store the key locally so that it can be re-configured after 1230151411e8SJouni Malinen * the AP mode has properly started 1231151411e8SJouni Malinen * (ath6kl_install_statioc_wep_keys). 1232151411e8SJouni Malinen */ 1233cdeb8602SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1234cdeb8602SKalle Valo "Delay WEP key configuration until AP mode has been started\n"); 12356f2a73f9SVasanthakumar Thiagarajan vif->wep_key_list[key_index].key_len = key->key_len; 12366f2a73f9SVasanthakumar Thiagarajan memcpy(vif->wep_key_list[key_index].key, key->key, 12376f2a73f9SVasanthakumar Thiagarajan key->key_len); 1238151411e8SJouni Malinen return 0; 1239151411e8SJouni Malinen } 1240151411e8SJouni Malinen 12417cefa44fSVasanthakumar Thiagarajan return ath6kl_wmi_addkey_cmd(ar->wmi, vif->fw_vif_idx, key_index, 1242bdcd8170SKalle Valo key_type, key_usage, key->key_len, 1243f4bb9a6fSJouni Malinen key->seq, key->seq_len, key->key, 1244f4bb9a6fSJouni Malinen KEY_OP_INIT_VAL, 1245bdcd8170SKalle Valo (u8 *) mac_addr, SYNC_BOTH_WMIFLAG); 1246bdcd8170SKalle Valo } 1247bdcd8170SKalle Valo 1248bdcd8170SKalle Valo static int ath6kl_cfg80211_del_key(struct wiphy *wiphy, struct net_device *ndev, 1249bdcd8170SKalle Valo u8 key_index, bool pairwise, 1250bdcd8170SKalle Valo const u8 *mac_addr) 1251bdcd8170SKalle Valo { 1252d6d5c06cSKalle Valo struct ath6kl *ar = ath6kl_priv(ndev); 12536f2a73f9SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(ndev); 1254bdcd8170SKalle Valo 1255bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: index %d\n", __func__, key_index); 1256bdcd8170SKalle Valo 1257990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1258bdcd8170SKalle Valo return -EIO; 1259bdcd8170SKalle Valo 1260792ecb33SVivek Natarajan if (key_index > WMI_MAX_KEY_INDEX) { 1261bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1262bdcd8170SKalle Valo "%s: key index %d out of bounds\n", __func__, 1263bdcd8170SKalle Valo key_index); 1264bdcd8170SKalle Valo return -ENOENT; 1265bdcd8170SKalle Valo } 1266bdcd8170SKalle Valo 12676f2a73f9SVasanthakumar Thiagarajan if (!vif->keys[key_index].key_len) { 1268bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1269bdcd8170SKalle Valo "%s: index %d is empty\n", __func__, key_index); 1270bdcd8170SKalle Valo return 0; 1271bdcd8170SKalle Valo } 1272bdcd8170SKalle Valo 12736f2a73f9SVasanthakumar Thiagarajan vif->keys[key_index].key_len = 0; 1274bdcd8170SKalle Valo 1275334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_deletekey_cmd(ar->wmi, vif->fw_vif_idx, key_index); 1276bdcd8170SKalle Valo } 1277bdcd8170SKalle Valo 1278bdcd8170SKalle Valo static int ath6kl_cfg80211_get_key(struct wiphy *wiphy, struct net_device *ndev, 1279bdcd8170SKalle Valo u8 key_index, bool pairwise, 1280bdcd8170SKalle Valo const u8 *mac_addr, void *cookie, 1281bdcd8170SKalle Valo void (*callback) (void *cookie, 1282bdcd8170SKalle Valo struct key_params *)) 1283bdcd8170SKalle Valo { 12846f2a73f9SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(ndev); 1285bdcd8170SKalle Valo struct ath6kl_key *key = NULL; 1286bdcd8170SKalle Valo struct key_params params; 1287bdcd8170SKalle Valo 1288bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: index %d\n", __func__, key_index); 1289bdcd8170SKalle Valo 1290990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1291bdcd8170SKalle Valo return -EIO; 1292bdcd8170SKalle Valo 1293792ecb33SVivek Natarajan if (key_index > WMI_MAX_KEY_INDEX) { 1294bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1295bdcd8170SKalle Valo "%s: key index %d out of bounds\n", __func__, 1296bdcd8170SKalle Valo key_index); 1297bdcd8170SKalle Valo return -ENOENT; 1298bdcd8170SKalle Valo } 1299bdcd8170SKalle Valo 13006f2a73f9SVasanthakumar Thiagarajan key = &vif->keys[key_index]; 1301bdcd8170SKalle Valo memset(¶ms, 0, sizeof(params)); 1302bdcd8170SKalle Valo params.cipher = key->cipher; 1303bdcd8170SKalle Valo params.key_len = key->key_len; 1304bdcd8170SKalle Valo params.seq_len = key->seq_len; 1305bdcd8170SKalle Valo params.seq = key->seq; 1306bdcd8170SKalle Valo params.key = key->key; 1307bdcd8170SKalle Valo 1308bdcd8170SKalle Valo callback(cookie, ¶ms); 1309bdcd8170SKalle Valo 1310bdcd8170SKalle Valo return key->key_len ? 0 : -ENOENT; 1311bdcd8170SKalle Valo } 1312bdcd8170SKalle Valo 1313bdcd8170SKalle Valo static int ath6kl_cfg80211_set_default_key(struct wiphy *wiphy, 1314bdcd8170SKalle Valo struct net_device *ndev, 1315bdcd8170SKalle Valo u8 key_index, bool unicast, 1316bdcd8170SKalle Valo bool multicast) 1317bdcd8170SKalle Valo { 1318d6d5c06cSKalle Valo struct ath6kl *ar = ath6kl_priv(ndev); 131959c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(ndev); 1320bdcd8170SKalle Valo struct ath6kl_key *key = NULL; 1321bdcd8170SKalle Valo u8 key_usage; 1322229ed6b5SEdward Lu enum crypto_type key_type = NONE_CRYPT; 1323bdcd8170SKalle Valo 1324bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: index %d\n", __func__, key_index); 1325bdcd8170SKalle Valo 1326990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1327bdcd8170SKalle Valo return -EIO; 1328bdcd8170SKalle Valo 1329792ecb33SVivek Natarajan if (key_index > WMI_MAX_KEY_INDEX) { 1330bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1331bdcd8170SKalle Valo "%s: key index %d out of bounds\n", 1332bdcd8170SKalle Valo __func__, key_index); 1333bdcd8170SKalle Valo return -ENOENT; 1334bdcd8170SKalle Valo } 1335bdcd8170SKalle Valo 13366f2a73f9SVasanthakumar Thiagarajan if (!vif->keys[key_index].key_len) { 1337bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: invalid key index %d\n", 1338bdcd8170SKalle Valo __func__, key_index); 1339bdcd8170SKalle Valo return -EINVAL; 1340bdcd8170SKalle Valo } 1341bdcd8170SKalle Valo 13423450334fSVasanthakumar Thiagarajan vif->def_txkey_index = key_index; 13436f2a73f9SVasanthakumar Thiagarajan key = &vif->keys[vif->def_txkey_index]; 1344bdcd8170SKalle Valo key_usage = GROUP_USAGE; 13453450334fSVasanthakumar Thiagarajan if (vif->prwise_crypto == WEP_CRYPT) 1346bdcd8170SKalle Valo key_usage |= TX_USAGE; 1347229ed6b5SEdward Lu if (unicast) 13483450334fSVasanthakumar Thiagarajan key_type = vif->prwise_crypto; 1349229ed6b5SEdward Lu if (multicast) 13503450334fSVasanthakumar Thiagarajan key_type = vif->grp_crypto; 1351bdcd8170SKalle Valo 1352f5938f24SVasanthakumar Thiagarajan if (vif->next_mode == AP_NETWORK && !test_bit(CONNECTED, &vif->flags)) 13539a5b1318SJouni Malinen return 0; /* Delay until AP mode has been started */ 13549a5b1318SJouni Malinen 1355f3e61eceSJouni Malinen return ath6kl_wmi_addkey_cmd(ar->wmi, vif->fw_vif_idx, 1356334234b5SVasanthakumar Thiagarajan vif->def_txkey_index, 1357229ed6b5SEdward Lu key_type, key_usage, 1358f4bb9a6fSJouni Malinen key->key_len, key->seq, key->seq_len, 1359f4bb9a6fSJouni Malinen key->key, 1360bdcd8170SKalle Valo KEY_OP_INIT_VAL, NULL, 1361bdcd8170SKalle Valo SYNC_BOTH_WMIFLAG); 1362bdcd8170SKalle Valo } 1363bdcd8170SKalle Valo 1364240d2799SVasanthakumar Thiagarajan void ath6kl_cfg80211_tkip_micerr_event(struct ath6kl_vif *vif, u8 keyid, 1365bdcd8170SKalle Valo bool ismcast) 1366bdcd8170SKalle Valo { 1367bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1368bdcd8170SKalle Valo "%s: keyid %d, ismcast %d\n", __func__, keyid, ismcast); 1369bdcd8170SKalle Valo 1370240d2799SVasanthakumar Thiagarajan cfg80211_michael_mic_failure(vif->ndev, vif->bssid, 1371bdcd8170SKalle Valo (ismcast ? NL80211_KEYTYPE_GROUP : 1372bdcd8170SKalle Valo NL80211_KEYTYPE_PAIRWISE), keyid, NULL, 1373bdcd8170SKalle Valo GFP_KERNEL); 1374bdcd8170SKalle Valo } 1375bdcd8170SKalle Valo 1376bdcd8170SKalle Valo static int ath6kl_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) 1377bdcd8170SKalle Valo { 1378bdcd8170SKalle Valo struct ath6kl *ar = (struct ath6kl *)wiphy_priv(wiphy); 1379990bd915SVasanthakumar Thiagarajan struct ath6kl_vif *vif; 1380bdcd8170SKalle Valo int ret; 1381bdcd8170SKalle Valo 1382bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: changed 0x%x\n", __func__, 1383bdcd8170SKalle Valo changed); 1384bdcd8170SKalle Valo 1385990bd915SVasanthakumar Thiagarajan vif = ath6kl_vif_first(ar); 1386990bd915SVasanthakumar Thiagarajan if (!vif) 1387990bd915SVasanthakumar Thiagarajan return -EIO; 1388990bd915SVasanthakumar Thiagarajan 1389990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1390bdcd8170SKalle Valo return -EIO; 1391bdcd8170SKalle Valo 1392bdcd8170SKalle Valo if (changed & WIPHY_PARAM_RTS_THRESHOLD) { 1393bdcd8170SKalle Valo ret = ath6kl_wmi_set_rts_cmd(ar->wmi, wiphy->rts_threshold); 1394bdcd8170SKalle Valo if (ret != 0) { 1395bdcd8170SKalle Valo ath6kl_err("ath6kl_wmi_set_rts_cmd failed\n"); 1396bdcd8170SKalle Valo return -EIO; 1397bdcd8170SKalle Valo } 1398bdcd8170SKalle Valo } 1399bdcd8170SKalle Valo 1400bdcd8170SKalle Valo return 0; 1401bdcd8170SKalle Valo } 1402bdcd8170SKalle Valo 1403bdcd8170SKalle Valo static int ath6kl_cfg80211_set_txpower(struct wiphy *wiphy, 1404c8442118SJohannes Berg struct wireless_dev *wdev, 1405bdcd8170SKalle Valo enum nl80211_tx_power_setting type, 1406b992a285SLuis R. Rodriguez int mbm) 1407bdcd8170SKalle Valo { 1408bdcd8170SKalle Valo struct ath6kl *ar = (struct ath6kl *)wiphy_priv(wiphy); 1409990bd915SVasanthakumar Thiagarajan struct ath6kl_vif *vif; 1410b992a285SLuis R. Rodriguez int dbm = MBM_TO_DBM(mbm); 1411bdcd8170SKalle Valo 1412bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type 0x%x, dbm %d\n", __func__, 1413bdcd8170SKalle Valo type, dbm); 1414bdcd8170SKalle Valo 1415990bd915SVasanthakumar Thiagarajan vif = ath6kl_vif_first(ar); 1416990bd915SVasanthakumar Thiagarajan if (!vif) 1417990bd915SVasanthakumar Thiagarajan return -EIO; 1418990bd915SVasanthakumar Thiagarajan 1419990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1420bdcd8170SKalle Valo return -EIO; 1421bdcd8170SKalle Valo 1422bdcd8170SKalle Valo switch (type) { 1423bdcd8170SKalle Valo case NL80211_TX_POWER_AUTOMATIC: 1424bdcd8170SKalle Valo return 0; 1425bdcd8170SKalle Valo case NL80211_TX_POWER_LIMITED: 1426d0d670abSKalle Valo ar->tx_pwr = dbm; 1427bdcd8170SKalle Valo break; 1428bdcd8170SKalle Valo default: 1429bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type 0x%x not supported\n", 1430bdcd8170SKalle Valo __func__, type); 1431bdcd8170SKalle Valo return -EOPNOTSUPP; 1432bdcd8170SKalle Valo } 1433bdcd8170SKalle Valo 1434d0d670abSKalle Valo ath6kl_wmi_set_tx_pwr_cmd(ar->wmi, vif->fw_vif_idx, dbm); 1435bdcd8170SKalle Valo 1436bdcd8170SKalle Valo return 0; 1437bdcd8170SKalle Valo } 1438bdcd8170SKalle Valo 1439c8442118SJohannes Berg static int ath6kl_cfg80211_get_txpower(struct wiphy *wiphy, 1440c8442118SJohannes Berg struct wireless_dev *wdev, 1441c8442118SJohannes Berg int *dbm) 1442bdcd8170SKalle Valo { 1443bdcd8170SKalle Valo struct ath6kl *ar = (struct ath6kl *)wiphy_priv(wiphy); 1444990bd915SVasanthakumar Thiagarajan struct ath6kl_vif *vif; 1445bdcd8170SKalle Valo 1446990bd915SVasanthakumar Thiagarajan vif = ath6kl_vif_first(ar); 1447990bd915SVasanthakumar Thiagarajan if (!vif) 1448990bd915SVasanthakumar Thiagarajan return -EIO; 1449990bd915SVasanthakumar Thiagarajan 1450990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1451bdcd8170SKalle Valo return -EIO; 1452bdcd8170SKalle Valo 145359c98449SVasanthakumar Thiagarajan if (test_bit(CONNECTED, &vif->flags)) { 1454bdcd8170SKalle Valo ar->tx_pwr = 0; 1455bdcd8170SKalle Valo 1456990bd915SVasanthakumar Thiagarajan if (ath6kl_wmi_get_tx_pwr_cmd(ar->wmi, vif->fw_vif_idx) != 0) { 1457bdcd8170SKalle Valo ath6kl_err("ath6kl_wmi_get_tx_pwr_cmd failed\n"); 1458bdcd8170SKalle Valo return -EIO; 1459bdcd8170SKalle Valo } 1460bdcd8170SKalle Valo 1461bdcd8170SKalle Valo wait_event_interruptible_timeout(ar->event_wq, ar->tx_pwr != 0, 1462bdcd8170SKalle Valo 5 * HZ); 1463bdcd8170SKalle Valo 1464bdcd8170SKalle Valo if (signal_pending(current)) { 1465bdcd8170SKalle Valo ath6kl_err("target did not respond\n"); 1466bdcd8170SKalle Valo return -EINTR; 1467bdcd8170SKalle Valo } 1468bdcd8170SKalle Valo } 1469bdcd8170SKalle Valo 1470bdcd8170SKalle Valo *dbm = ar->tx_pwr; 1471bdcd8170SKalle Valo return 0; 1472bdcd8170SKalle Valo } 1473bdcd8170SKalle Valo 1474bdcd8170SKalle Valo static int ath6kl_cfg80211_set_power_mgmt(struct wiphy *wiphy, 1475bdcd8170SKalle Valo struct net_device *dev, 1476bdcd8170SKalle Valo bool pmgmt, int timeout) 1477bdcd8170SKalle Valo { 1478bdcd8170SKalle Valo struct ath6kl *ar = ath6kl_priv(dev); 1479bdcd8170SKalle Valo struct wmi_power_mode_cmd mode; 1480334234b5SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 1481bdcd8170SKalle Valo 1482bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: pmgmt %d, timeout %d\n", 1483bdcd8170SKalle Valo __func__, pmgmt, timeout); 1484bdcd8170SKalle Valo 1485990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1486bdcd8170SKalle Valo return -EIO; 1487bdcd8170SKalle Valo 1488bdcd8170SKalle Valo if (pmgmt) { 1489f0ed67ecSMohammed Shafi Shajakhan ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: rec power\n", __func__); 1490bdcd8170SKalle Valo mode.pwr_mode = REC_POWER; 1491bdcd8170SKalle Valo } else { 1492f0ed67ecSMohammed Shafi Shajakhan ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: max perf\n", __func__); 1493bdcd8170SKalle Valo mode.pwr_mode = MAX_PERF_POWER; 1494bdcd8170SKalle Valo } 1495bdcd8170SKalle Valo 1496334234b5SVasanthakumar Thiagarajan if (ath6kl_wmi_powermode_cmd(ar->wmi, vif->fw_vif_idx, 1497334234b5SVasanthakumar Thiagarajan mode.pwr_mode) != 0) { 1498bdcd8170SKalle Valo ath6kl_err("wmi_powermode_cmd failed\n"); 1499bdcd8170SKalle Valo return -EIO; 1500bdcd8170SKalle Valo } 1501bdcd8170SKalle Valo 1502bdcd8170SKalle Valo return 0; 1503bdcd8170SKalle Valo } 1504bdcd8170SKalle Valo 150584efbb84SJohannes Berg static struct wireless_dev *ath6kl_cfg80211_add_iface(struct wiphy *wiphy, 1506552bff0cSJohannes Berg const char *name, 15076bab2e19STom Gundersen unsigned char name_assign_type, 150855055976SVasanthakumar Thiagarajan enum nl80211_iftype type, 150955055976SVasanthakumar Thiagarajan u32 *flags, 151055055976SVasanthakumar Thiagarajan struct vif_params *params) 151155055976SVasanthakumar Thiagarajan { 151255055976SVasanthakumar Thiagarajan struct ath6kl *ar = wiphy_priv(wiphy); 151384efbb84SJohannes Berg struct wireless_dev *wdev; 151455055976SVasanthakumar Thiagarajan u8 if_idx, nw_type; 151555055976SVasanthakumar Thiagarajan 151671f96ee6SKalle Valo if (ar->num_vif == ar->vif_max) { 151755055976SVasanthakumar Thiagarajan ath6kl_err("Reached maximum number of supported vif\n"); 151855055976SVasanthakumar Thiagarajan return ERR_PTR(-EINVAL); 151955055976SVasanthakumar Thiagarajan } 152055055976SVasanthakumar Thiagarajan 152155055976SVasanthakumar Thiagarajan if (!ath6kl_is_valid_iftype(ar, type, &if_idx, &nw_type)) { 152255055976SVasanthakumar Thiagarajan ath6kl_err("Not a supported interface type\n"); 152355055976SVasanthakumar Thiagarajan return ERR_PTR(-EINVAL); 152455055976SVasanthakumar Thiagarajan } 152555055976SVasanthakumar Thiagarajan 15266bab2e19STom Gundersen wdev = ath6kl_interface_add(ar, name, name_assign_type, type, if_idx, nw_type); 152784efbb84SJohannes Berg if (!wdev) 152855055976SVasanthakumar Thiagarajan return ERR_PTR(-ENOMEM); 152955055976SVasanthakumar Thiagarajan 153055055976SVasanthakumar Thiagarajan ar->num_vif++; 153155055976SVasanthakumar Thiagarajan 153284efbb84SJohannes Berg return wdev; 153355055976SVasanthakumar Thiagarajan } 153455055976SVasanthakumar Thiagarajan 153555055976SVasanthakumar Thiagarajan static int ath6kl_cfg80211_del_iface(struct wiphy *wiphy, 153684efbb84SJohannes Berg struct wireless_dev *wdev) 153755055976SVasanthakumar Thiagarajan { 153855055976SVasanthakumar Thiagarajan struct ath6kl *ar = wiphy_priv(wiphy); 153984efbb84SJohannes Berg struct ath6kl_vif *vif = netdev_priv(wdev->netdev); 154055055976SVasanthakumar Thiagarajan 154111f6e40dSVasanthakumar Thiagarajan spin_lock_bh(&ar->list_lock); 154255055976SVasanthakumar Thiagarajan list_del(&vif->list); 154311f6e40dSVasanthakumar Thiagarajan spin_unlock_bh(&ar->list_lock); 154455055976SVasanthakumar Thiagarajan 1545355b3a98SMohammed Shafi Shajakhan ath6kl_cfg80211_vif_stop(vif, test_bit(WMI_READY, &ar->flag)); 154655055976SVasanthakumar Thiagarajan 1547bc52aab3SMohammed Shafi Shajakhan rtnl_lock(); 1548c25889e8SKalle Valo ath6kl_cfg80211_vif_cleanup(vif); 1549bc52aab3SMohammed Shafi Shajakhan rtnl_unlock(); 155055055976SVasanthakumar Thiagarajan 155155055976SVasanthakumar Thiagarajan return 0; 155255055976SVasanthakumar Thiagarajan } 155355055976SVasanthakumar Thiagarajan 1554bdcd8170SKalle Valo static int ath6kl_cfg80211_change_iface(struct wiphy *wiphy, 1555bdcd8170SKalle Valo struct net_device *ndev, 1556bdcd8170SKalle Valo enum nl80211_iftype type, u32 *flags, 1557bdcd8170SKalle Valo struct vif_params *params) 1558bdcd8170SKalle Valo { 1559f5938f24SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(ndev); 15601e8d13b0SVasanthakumar Thiagarajan int i; 1561bdcd8170SKalle Valo 1562bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type %u\n", __func__, type); 1563bdcd8170SKalle Valo 15641e8d13b0SVasanthakumar Thiagarajan /* 15651e8d13b0SVasanthakumar Thiagarajan * Don't bring up p2p on an interface which is not initialized 15661e8d13b0SVasanthakumar Thiagarajan * for p2p operation where fw does not have capability to switch 15671e8d13b0SVasanthakumar Thiagarajan * dynamically between non-p2p and p2p type interface. 15681e8d13b0SVasanthakumar Thiagarajan */ 15691e8d13b0SVasanthakumar Thiagarajan if (!test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX, 15701e8d13b0SVasanthakumar Thiagarajan vif->ar->fw_capabilities) && 15711e8d13b0SVasanthakumar Thiagarajan (type == NL80211_IFTYPE_P2P_CLIENT || 15721e8d13b0SVasanthakumar Thiagarajan type == NL80211_IFTYPE_P2P_GO)) { 15731e8d13b0SVasanthakumar Thiagarajan if (vif->ar->vif_max == 1) { 15741e8d13b0SVasanthakumar Thiagarajan if (vif->fw_vif_idx != 0) 15751e8d13b0SVasanthakumar Thiagarajan return -EINVAL; 15761e8d13b0SVasanthakumar Thiagarajan else 15771e8d13b0SVasanthakumar Thiagarajan goto set_iface_type; 15781e8d13b0SVasanthakumar Thiagarajan } 15791e8d13b0SVasanthakumar Thiagarajan 15801e8d13b0SVasanthakumar Thiagarajan for (i = vif->ar->max_norm_iface; i < vif->ar->vif_max; i++) { 15811e8d13b0SVasanthakumar Thiagarajan if (i == vif->fw_vif_idx) 15821e8d13b0SVasanthakumar Thiagarajan break; 15831e8d13b0SVasanthakumar Thiagarajan } 15841e8d13b0SVasanthakumar Thiagarajan 15851e8d13b0SVasanthakumar Thiagarajan if (i == vif->ar->vif_max) { 15861e8d13b0SVasanthakumar Thiagarajan ath6kl_err("Invalid interface to bring up P2P\n"); 15871e8d13b0SVasanthakumar Thiagarajan return -EINVAL; 15881e8d13b0SVasanthakumar Thiagarajan } 15891e8d13b0SVasanthakumar Thiagarajan } 15901e8d13b0SVasanthakumar Thiagarajan 1591c422d52dSThomas Pedersen /* need to clean up enhanced bmiss detection fw state */ 1592c422d52dSThomas Pedersen ath6kl_cfg80211_sta_bmiss_enhance(vif, false); 1593c422d52dSThomas Pedersen 15941e8d13b0SVasanthakumar Thiagarajan set_iface_type: 1595bdcd8170SKalle Valo switch (type) { 1596bdcd8170SKalle Valo case NL80211_IFTYPE_STATION: 15978aa659d2SMohammed Shafi Shajakhan case NL80211_IFTYPE_P2P_CLIENT: 1598f5938f24SVasanthakumar Thiagarajan vif->next_mode = INFRA_NETWORK; 1599bdcd8170SKalle Valo break; 1600bdcd8170SKalle Valo case NL80211_IFTYPE_ADHOC: 1601f5938f24SVasanthakumar Thiagarajan vif->next_mode = ADHOC_NETWORK; 1602bdcd8170SKalle Valo break; 16036e4604c8SJouni Malinen case NL80211_IFTYPE_AP: 16046b5e5d25SJouni Malinen case NL80211_IFTYPE_P2P_GO: 1605f5938f24SVasanthakumar Thiagarajan vif->next_mode = AP_NETWORK; 16066b5e5d25SJouni Malinen break; 1607bdcd8170SKalle Valo default: 1608bdcd8170SKalle Valo ath6kl_err("invalid interface type %u\n", type); 1609bdcd8170SKalle Valo return -EOPNOTSUPP; 1610bdcd8170SKalle Valo } 1611bdcd8170SKalle Valo 1612551959d8SVasanthakumar Thiagarajan vif->wdev.iftype = type; 1613bdcd8170SKalle Valo 1614bdcd8170SKalle Valo return 0; 1615bdcd8170SKalle Valo } 1616bdcd8170SKalle Valo 1617bdcd8170SKalle Valo static int ath6kl_cfg80211_join_ibss(struct wiphy *wiphy, 1618bdcd8170SKalle Valo struct net_device *dev, 1619bdcd8170SKalle Valo struct cfg80211_ibss_params *ibss_param) 1620bdcd8170SKalle Valo { 1621bdcd8170SKalle Valo struct ath6kl *ar = ath6kl_priv(dev); 162259c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 1623bdcd8170SKalle Valo int status; 1624bdcd8170SKalle Valo 1625990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1626bdcd8170SKalle Valo return -EIO; 1627bdcd8170SKalle Valo 16283450334fSVasanthakumar Thiagarajan vif->ssid_len = ibss_param->ssid_len; 16293450334fSVasanthakumar Thiagarajan memcpy(vif->ssid, ibss_param->ssid, vif->ssid_len); 1630bdcd8170SKalle Valo 1631683b6d3bSJohannes Berg if (ibss_param->chandef.chan) 1632683b6d3bSJohannes Berg vif->ch_hint = ibss_param->chandef.chan->center_freq; 1633bdcd8170SKalle Valo 1634bdcd8170SKalle Valo if (ibss_param->channel_fixed) { 1635bdcd8170SKalle Valo /* 1636bdcd8170SKalle Valo * TODO: channel_fixed: The channel should be fixed, do not 1637bdcd8170SKalle Valo * search for IBSSs to join on other channels. Target 1638bdcd8170SKalle Valo * firmware does not support this feature, needs to be 1639bdcd8170SKalle Valo * updated. 1640bdcd8170SKalle Valo */ 1641bdcd8170SKalle Valo return -EOPNOTSUPP; 1642bdcd8170SKalle Valo } 1643bdcd8170SKalle Valo 16448c8b65e3SVasanthakumar Thiagarajan memset(vif->req_bssid, 0, sizeof(vif->req_bssid)); 1645bdcd8170SKalle Valo if (ibss_param->bssid && !is_broadcast_ether_addr(ibss_param->bssid)) 16468c8b65e3SVasanthakumar Thiagarajan memcpy(vif->req_bssid, ibss_param->bssid, 16478c8b65e3SVasanthakumar Thiagarajan sizeof(vif->req_bssid)); 1648bdcd8170SKalle Valo 1649240d2799SVasanthakumar Thiagarajan ath6kl_set_wpa_version(vif, 0); 1650bdcd8170SKalle Valo 1651240d2799SVasanthakumar Thiagarajan status = ath6kl_set_auth_type(vif, NL80211_AUTHTYPE_OPEN_SYSTEM); 1652bdcd8170SKalle Valo if (status) 1653bdcd8170SKalle Valo return status; 1654bdcd8170SKalle Valo 1655bdcd8170SKalle Valo if (ibss_param->privacy) { 1656240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, WLAN_CIPHER_SUITE_WEP40, true); 1657240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, WLAN_CIPHER_SUITE_WEP40, false); 1658bdcd8170SKalle Valo } else { 1659240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, 0, true); 1660240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, 0, false); 1661bdcd8170SKalle Valo } 1662bdcd8170SKalle Valo 1663f5938f24SVasanthakumar Thiagarajan vif->nw_type = vif->next_mode; 1664bdcd8170SKalle Valo 1665bdcd8170SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 1666bdcd8170SKalle Valo "%s: connect called with authmode %d dot11 auth %d" 1667bdcd8170SKalle Valo " PW crypto %d PW crypto len %d GRP crypto %d" 1668bdcd8170SKalle Valo " GRP crypto len %d channel hint %u\n", 1669bdcd8170SKalle Valo __func__, 16703450334fSVasanthakumar Thiagarajan vif->auth_mode, vif->dot11_auth_mode, vif->prwise_crypto, 16713450334fSVasanthakumar Thiagarajan vif->prwise_crypto_len, vif->grp_crypto, 1672f74bac54SVasanthakumar Thiagarajan vif->grp_crypto_len, vif->ch_hint); 1673bdcd8170SKalle Valo 1674334234b5SVasanthakumar Thiagarajan status = ath6kl_wmi_connect_cmd(ar->wmi, vif->fw_vif_idx, vif->nw_type, 16753450334fSVasanthakumar Thiagarajan vif->dot11_auth_mode, vif->auth_mode, 16763450334fSVasanthakumar Thiagarajan vif->prwise_crypto, 16773450334fSVasanthakumar Thiagarajan vif->prwise_crypto_len, 16783450334fSVasanthakumar Thiagarajan vif->grp_crypto, vif->grp_crypto_len, 16793450334fSVasanthakumar Thiagarajan vif->ssid_len, vif->ssid, 1680f74bac54SVasanthakumar Thiagarajan vif->req_bssid, vif->ch_hint, 16813ca9d1fcSAarthi Thiruvengadam ar->connect_ctrl_flags, SUBTYPE_NONE); 168259c98449SVasanthakumar Thiagarajan set_bit(CONNECT_PEND, &vif->flags); 1683bdcd8170SKalle Valo 1684bdcd8170SKalle Valo return 0; 1685bdcd8170SKalle Valo } 1686bdcd8170SKalle Valo 1687bdcd8170SKalle Valo static int ath6kl_cfg80211_leave_ibss(struct wiphy *wiphy, 1688bdcd8170SKalle Valo struct net_device *dev) 1689bdcd8170SKalle Valo { 16903450334fSVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 1691bdcd8170SKalle Valo 1692990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 1693bdcd8170SKalle Valo return -EIO; 1694bdcd8170SKalle Valo 1695240d2799SVasanthakumar Thiagarajan ath6kl_disconnect(vif); 16963450334fSVasanthakumar Thiagarajan memset(vif->ssid, 0, sizeof(vif->ssid)); 16973450334fSVasanthakumar Thiagarajan vif->ssid_len = 0; 1698bdcd8170SKalle Valo 1699bdcd8170SKalle Valo return 0; 1700bdcd8170SKalle Valo } 1701bdcd8170SKalle Valo 1702bdcd8170SKalle Valo static const u32 cipher_suites[] = { 1703bdcd8170SKalle Valo WLAN_CIPHER_SUITE_WEP40, 1704bdcd8170SKalle Valo WLAN_CIPHER_SUITE_WEP104, 1705bdcd8170SKalle Valo WLAN_CIPHER_SUITE_TKIP, 1706bdcd8170SKalle Valo WLAN_CIPHER_SUITE_CCMP, 1707837cb97eSJouni Malinen CCKM_KRK_CIPHER_SUITE, 17085e07021eSDai Shuibing WLAN_CIPHER_SUITE_SMS4, 1709bdcd8170SKalle Valo }; 1710bdcd8170SKalle Valo 1711bdcd8170SKalle Valo static bool is_rate_legacy(s32 rate) 1712bdcd8170SKalle Valo { 1713bdcd8170SKalle Valo static const s32 legacy[] = { 1000, 2000, 5500, 11000, 1714bdcd8170SKalle Valo 6000, 9000, 12000, 18000, 24000, 1715bdcd8170SKalle Valo 36000, 48000, 54000 1716bdcd8170SKalle Valo }; 1717bdcd8170SKalle Valo u8 i; 1718bdcd8170SKalle Valo 1719bdcd8170SKalle Valo for (i = 0; i < ARRAY_SIZE(legacy); i++) 1720bdcd8170SKalle Valo if (rate == legacy[i]) 1721bdcd8170SKalle Valo return true; 1722bdcd8170SKalle Valo 1723bdcd8170SKalle Valo return false; 1724bdcd8170SKalle Valo } 1725bdcd8170SKalle Valo 1726bdcd8170SKalle Valo static bool is_rate_ht20(s32 rate, u8 *mcs, bool *sgi) 1727bdcd8170SKalle Valo { 1728bdcd8170SKalle Valo static const s32 ht20[] = { 6500, 13000, 19500, 26000, 39000, 1729bdcd8170SKalle Valo 52000, 58500, 65000, 72200 1730bdcd8170SKalle Valo }; 1731bdcd8170SKalle Valo u8 i; 1732bdcd8170SKalle Valo 1733bdcd8170SKalle Valo for (i = 0; i < ARRAY_SIZE(ht20); i++) { 1734bdcd8170SKalle Valo if (rate == ht20[i]) { 1735bdcd8170SKalle Valo if (i == ARRAY_SIZE(ht20) - 1) 1736bdcd8170SKalle Valo /* last rate uses sgi */ 1737bdcd8170SKalle Valo *sgi = true; 1738bdcd8170SKalle Valo else 1739bdcd8170SKalle Valo *sgi = false; 1740bdcd8170SKalle Valo 1741bdcd8170SKalle Valo *mcs = i; 1742bdcd8170SKalle Valo return true; 1743bdcd8170SKalle Valo } 1744bdcd8170SKalle Valo } 1745bdcd8170SKalle Valo return false; 1746bdcd8170SKalle Valo } 1747bdcd8170SKalle Valo 1748bdcd8170SKalle Valo static bool is_rate_ht40(s32 rate, u8 *mcs, bool *sgi) 1749bdcd8170SKalle Valo { 1750bdcd8170SKalle Valo static const s32 ht40[] = { 13500, 27000, 40500, 54000, 1751bdcd8170SKalle Valo 81000, 108000, 121500, 135000, 1752bdcd8170SKalle Valo 150000 1753bdcd8170SKalle Valo }; 1754bdcd8170SKalle Valo u8 i; 1755bdcd8170SKalle Valo 1756bdcd8170SKalle Valo for (i = 0; i < ARRAY_SIZE(ht40); i++) { 1757bdcd8170SKalle Valo if (rate == ht40[i]) { 1758bdcd8170SKalle Valo if (i == ARRAY_SIZE(ht40) - 1) 1759bdcd8170SKalle Valo /* last rate uses sgi */ 1760bdcd8170SKalle Valo *sgi = true; 1761bdcd8170SKalle Valo else 1762bdcd8170SKalle Valo *sgi = false; 1763bdcd8170SKalle Valo 1764bdcd8170SKalle Valo *mcs = i; 1765bdcd8170SKalle Valo return true; 1766bdcd8170SKalle Valo } 1767bdcd8170SKalle Valo } 1768bdcd8170SKalle Valo 1769bdcd8170SKalle Valo return false; 1770bdcd8170SKalle Valo } 1771bdcd8170SKalle Valo 1772bdcd8170SKalle Valo static int ath6kl_get_station(struct wiphy *wiphy, struct net_device *dev, 17733b3a0162SJohannes Berg const u8 *mac, struct station_info *sinfo) 1774bdcd8170SKalle Valo { 1775bdcd8170SKalle Valo struct ath6kl *ar = ath6kl_priv(dev); 177659c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 1777bdcd8170SKalle Valo long left; 1778bdcd8170SKalle Valo bool sgi; 1779bdcd8170SKalle Valo s32 rate; 1780bdcd8170SKalle Valo int ret; 1781bdcd8170SKalle Valo u8 mcs; 1782bdcd8170SKalle Valo 17838c8b65e3SVasanthakumar Thiagarajan if (memcmp(mac, vif->bssid, ETH_ALEN) != 0) 1784bdcd8170SKalle Valo return -ENOENT; 1785bdcd8170SKalle Valo 1786bdcd8170SKalle Valo if (down_interruptible(&ar->sem)) 1787bdcd8170SKalle Valo return -EBUSY; 1788bdcd8170SKalle Valo 1789b95907a7SVasanthakumar Thiagarajan set_bit(STATS_UPDATE_PEND, &vif->flags); 1790bdcd8170SKalle Valo 1791334234b5SVasanthakumar Thiagarajan ret = ath6kl_wmi_get_stats_cmd(ar->wmi, vif->fw_vif_idx); 1792bdcd8170SKalle Valo 1793bdcd8170SKalle Valo if (ret != 0) { 1794bdcd8170SKalle Valo up(&ar->sem); 1795bdcd8170SKalle Valo return -EIO; 1796bdcd8170SKalle Valo } 1797bdcd8170SKalle Valo 1798bdcd8170SKalle Valo left = wait_event_interruptible_timeout(ar->event_wq, 1799bdcd8170SKalle Valo !test_bit(STATS_UPDATE_PEND, 1800b95907a7SVasanthakumar Thiagarajan &vif->flags), 1801bdcd8170SKalle Valo WMI_TIMEOUT); 1802bdcd8170SKalle Valo 1803bdcd8170SKalle Valo up(&ar->sem); 1804bdcd8170SKalle Valo 1805bdcd8170SKalle Valo if (left == 0) 1806bdcd8170SKalle Valo return -ETIMEDOUT; 1807bdcd8170SKalle Valo else if (left < 0) 1808bdcd8170SKalle Valo return left; 1809bdcd8170SKalle Valo 1810b95907a7SVasanthakumar Thiagarajan if (vif->target_stats.rx_byte) { 1811b95907a7SVasanthakumar Thiagarajan sinfo->rx_bytes = vif->target_stats.rx_byte; 1812319090bfSJohannes Berg sinfo->filled |= BIT(NL80211_STA_INFO_RX_BYTES64); 1813b95907a7SVasanthakumar Thiagarajan sinfo->rx_packets = vif->target_stats.rx_pkt; 1814319090bfSJohannes Berg sinfo->filled |= BIT(NL80211_STA_INFO_RX_PACKETS); 1815bdcd8170SKalle Valo } 1816bdcd8170SKalle Valo 1817b95907a7SVasanthakumar Thiagarajan if (vif->target_stats.tx_byte) { 1818b95907a7SVasanthakumar Thiagarajan sinfo->tx_bytes = vif->target_stats.tx_byte; 1819319090bfSJohannes Berg sinfo->filled |= BIT(NL80211_STA_INFO_TX_BYTES64); 1820b95907a7SVasanthakumar Thiagarajan sinfo->tx_packets = vif->target_stats.tx_pkt; 1821319090bfSJohannes Berg sinfo->filled |= BIT(NL80211_STA_INFO_TX_PACKETS); 1822bdcd8170SKalle Valo } 1823bdcd8170SKalle Valo 1824b95907a7SVasanthakumar Thiagarajan sinfo->signal = vif->target_stats.cs_rssi; 1825319090bfSJohannes Berg sinfo->filled |= BIT(NL80211_STA_INFO_SIGNAL); 1826bdcd8170SKalle Valo 1827b95907a7SVasanthakumar Thiagarajan rate = vif->target_stats.tx_ucast_rate; 1828bdcd8170SKalle Valo 1829bdcd8170SKalle Valo if (is_rate_legacy(rate)) { 1830bdcd8170SKalle Valo sinfo->txrate.legacy = rate / 100; 1831bdcd8170SKalle Valo } else if (is_rate_ht20(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_MCS; 1840b51f3beeSJohannes Berg sinfo->txrate.bw = RATE_INFO_BW_20; 1841bdcd8170SKalle Valo } else if (is_rate_ht40(rate, &mcs, &sgi)) { 1842bdcd8170SKalle Valo if (sgi) { 1843bdcd8170SKalle Valo sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI; 1844bdcd8170SKalle Valo sinfo->txrate.mcs = mcs - 1; 1845bdcd8170SKalle Valo } else { 1846bdcd8170SKalle Valo sinfo->txrate.mcs = mcs; 1847bdcd8170SKalle Valo } 1848bdcd8170SKalle Valo 1849b51f3beeSJohannes Berg sinfo->txrate.bw = RATE_INFO_BW_40; 1850bdcd8170SKalle Valo sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS; 1851bdcd8170SKalle Valo } else { 18529a730834SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 18539a730834SKalle Valo "invalid rate from stats: %d\n", rate); 18549a730834SKalle Valo ath6kl_debug_war(ar, ATH6KL_WAR_INVALID_RATE); 1855bdcd8170SKalle Valo return 0; 1856bdcd8170SKalle Valo } 1857bdcd8170SKalle Valo 1858319090bfSJohannes Berg sinfo->filled |= BIT(NL80211_STA_INFO_TX_BITRATE); 1859bdcd8170SKalle Valo 186059c98449SVasanthakumar Thiagarajan if (test_bit(CONNECTED, &vif->flags) && 186159c98449SVasanthakumar Thiagarajan test_bit(DTIM_PERIOD_AVAIL, &vif->flags) && 1862f5938f24SVasanthakumar Thiagarajan vif->nw_type == INFRA_NETWORK) { 1863319090bfSJohannes Berg sinfo->filled |= BIT(NL80211_STA_INFO_BSS_PARAM); 186432c10874SJouni Malinen sinfo->bss_param.flags = 0; 1865cf5333d7SVasanthakumar Thiagarajan sinfo->bss_param.dtim_period = vif->assoc_bss_dtim_period; 1866cf5333d7SVasanthakumar Thiagarajan sinfo->bss_param.beacon_interval = vif->assoc_bss_beacon_int; 186732c10874SJouni Malinen } 186832c10874SJouni Malinen 1869bdcd8170SKalle Valo return 0; 1870bdcd8170SKalle Valo } 1871bdcd8170SKalle Valo 1872bdcd8170SKalle Valo static int ath6kl_set_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, true); 1880bdcd8170SKalle Valo } 1881bdcd8170SKalle Valo 1882bdcd8170SKalle Valo static int ath6kl_del_pmksa(struct wiphy *wiphy, struct net_device *netdev, 1883bdcd8170SKalle Valo struct cfg80211_pmksa *pmksa) 1884bdcd8170SKalle Valo { 1885bdcd8170SKalle Valo struct ath6kl *ar = ath6kl_priv(netdev); 1886334234b5SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(netdev); 1887334234b5SVasanthakumar Thiagarajan 1888334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_setpmkid_cmd(ar->wmi, vif->fw_vif_idx, pmksa->bssid, 1889bdcd8170SKalle Valo pmksa->pmkid, false); 1890bdcd8170SKalle Valo } 1891bdcd8170SKalle Valo 1892bdcd8170SKalle Valo static int ath6kl_flush_pmksa(struct wiphy *wiphy, struct net_device *netdev) 1893bdcd8170SKalle Valo { 1894bdcd8170SKalle Valo struct ath6kl *ar = ath6kl_priv(netdev); 189559c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(netdev); 189659c98449SVasanthakumar Thiagarajan 189759c98449SVasanthakumar Thiagarajan if (test_bit(CONNECTED, &vif->flags)) 1898334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_setpmkid_cmd(ar->wmi, vif->fw_vif_idx, 1899334234b5SVasanthakumar Thiagarajan vif->bssid, NULL, false); 1900bdcd8170SKalle Valo return 0; 1901bdcd8170SKalle Valo } 1902bdcd8170SKalle Valo 1903d91e8eeeSRaja Mani static int ath6kl_wow_usr(struct ath6kl *ar, struct ath6kl_vif *vif, 1904d91e8eeeSRaja Mani struct cfg80211_wowlan *wow, u32 *filter) 19056cb3c714SRaja Mani { 1906d91e8eeeSRaja Mani int ret, pos; 19072c07cf44SThomas Pedersen u8 mask[WOW_PATTERN_SIZE]; 19086cb3c714SRaja Mani u16 i; 19096cb3c714SRaja Mani 1910d91e8eeeSRaja Mani /* Configure the patterns that we received from the user. */ 19116cb3c714SRaja Mani for (i = 0; i < wow->n_patterns; i++) { 19126cb3c714SRaja Mani /* 19136cb3c714SRaja Mani * Convert given nl80211 specific mask value to equivalent 19146cb3c714SRaja Mani * driver specific mask value and send it to the chip along 19156cb3c714SRaja Mani * with patterns. For example, If the mask value defined in 19166cb3c714SRaja Mani * struct cfg80211_wowlan is 0xA (equivalent binary is 1010), 19176cb3c714SRaja Mani * then equivalent driver specific mask value is 19186cb3c714SRaja Mani * "0xFF 0x00 0xFF 0x00". 19196cb3c714SRaja Mani */ 19206cb3c714SRaja Mani memset(&mask, 0, sizeof(mask)); 19216cb3c714SRaja Mani for (pos = 0; pos < wow->patterns[i].pattern_len; pos++) { 19226cb3c714SRaja Mani if (wow->patterns[i].mask[pos / 8] & (0x1 << (pos % 8))) 19236cb3c714SRaja Mani mask[pos] = 0xFF; 19246cb3c714SRaja Mani } 19256cb3c714SRaja Mani /* 19266cb3c714SRaja Mani * Note: Pattern's offset is not passed as part of wowlan 19276cb3c714SRaja Mani * parameter from CFG layer. So it's always passed as ZERO 19286cb3c714SRaja Mani * to the firmware. It means, given WOW patterns are always 19296cb3c714SRaja Mani * matched from the first byte of received pkt in the firmware. 19306cb3c714SRaja Mani */ 19316cb3c714SRaja Mani ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, 19326cb3c714SRaja Mani vif->fw_vif_idx, WOW_LIST_ID, 19336cb3c714SRaja Mani wow->patterns[i].pattern_len, 19346cb3c714SRaja Mani 0 /* pattern offset */, 19356cb3c714SRaja Mani wow->patterns[i].pattern, mask); 19366cb3c714SRaja Mani if (ret) 19376cb3c714SRaja Mani return ret; 19386cb3c714SRaja Mani } 19396cb3c714SRaja Mani 1940d91e8eeeSRaja Mani if (wow->disconnect) 1941d91e8eeeSRaja Mani *filter |= WOW_FILTER_OPTION_NWK_DISASSOC; 1942d91e8eeeSRaja Mani 1943d91e8eeeSRaja Mani if (wow->magic_pkt) 1944d91e8eeeSRaja Mani *filter |= WOW_FILTER_OPTION_MAGIC_PACKET; 1945d91e8eeeSRaja Mani 1946d91e8eeeSRaja Mani if (wow->gtk_rekey_failure) 1947d91e8eeeSRaja Mani *filter |= WOW_FILTER_OPTION_GTK_ERROR; 1948d91e8eeeSRaja Mani 1949d91e8eeeSRaja Mani if (wow->eap_identity_req) 1950d91e8eeeSRaja Mani *filter |= WOW_FILTER_OPTION_EAP_REQ; 1951d91e8eeeSRaja Mani 1952d91e8eeeSRaja Mani if (wow->four_way_handshake) 1953d91e8eeeSRaja Mani *filter |= WOW_FILTER_OPTION_8021X_4WAYHS; 1954d91e8eeeSRaja Mani 1955d91e8eeeSRaja Mani return 0; 1956d91e8eeeSRaja Mani } 1957d91e8eeeSRaja Mani 1958d91e8eeeSRaja Mani static int ath6kl_wow_ap(struct ath6kl *ar, struct ath6kl_vif *vif) 1959d91e8eeeSRaja Mani { 1960d91e8eeeSRaja Mani static const u8 unicst_pattern[] = { 0x00, 0x00, 0x00, 1961d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1962d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1963d91e8eeeSRaja Mani 0x00, 0x08 }; 1964d91e8eeeSRaja Mani static const u8 unicst_mask[] = { 0x01, 0x00, 0x00, 1965d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1966d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1967d91e8eeeSRaja Mani 0x00, 0x7f }; 1968d91e8eeeSRaja Mani u8 unicst_offset = 0; 1969d91e8eeeSRaja Mani static const u8 arp_pattern[] = { 0x08, 0x06 }; 1970d91e8eeeSRaja Mani static const u8 arp_mask[] = { 0xff, 0xff }; 1971d91e8eeeSRaja Mani u8 arp_offset = 20; 1972d91e8eeeSRaja Mani static const u8 discvr_pattern[] = { 0xe0, 0x00, 0x00, 0xf8 }; 1973d91e8eeeSRaja Mani static const u8 discvr_mask[] = { 0xf0, 0x00, 0x00, 0xf8 }; 1974d91e8eeeSRaja Mani u8 discvr_offset = 38; 1975d91e8eeeSRaja Mani static const u8 dhcp_pattern[] = { 0xff, 0xff, 0xff, 0xff, 1976d91e8eeeSRaja Mani 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1977d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 1978d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1979d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1980d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x43 /* port 67 */ }; 1981d91e8eeeSRaja Mani static const u8 dhcp_mask[] = { 0xff, 0xff, 0xff, 0xff, 1982d91e8eeeSRaja Mani 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1983d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 1984d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1985d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 1986d91e8eeeSRaja Mani 0x00, 0x00, 0x00, 0x00, 0xff, 0xff /* port 67 */ }; 1987d91e8eeeSRaja Mani u8 dhcp_offset = 0; 1988d91e8eeeSRaja Mani int ret; 1989d91e8eeeSRaja Mani 1990d91e8eeeSRaja Mani /* Setup unicast IP, EAPOL-like and ARP pkt pattern */ 1991d91e8eeeSRaja Mani ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, 1992d91e8eeeSRaja Mani vif->fw_vif_idx, WOW_LIST_ID, 1993d91e8eeeSRaja Mani sizeof(unicst_pattern), unicst_offset, 1994d91e8eeeSRaja Mani unicst_pattern, unicst_mask); 1995d91e8eeeSRaja Mani if (ret) { 1996d91e8eeeSRaja Mani ath6kl_err("failed to add WOW unicast IP pattern\n"); 1997d91e8eeeSRaja Mani return ret; 1998d91e8eeeSRaja Mani } 1999d91e8eeeSRaja Mani 2000d91e8eeeSRaja Mani /* Setup all ARP pkt pattern */ 2001d91e8eeeSRaja Mani ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, 2002d91e8eeeSRaja Mani vif->fw_vif_idx, WOW_LIST_ID, 2003d91e8eeeSRaja Mani sizeof(arp_pattern), arp_offset, 2004d91e8eeeSRaja Mani arp_pattern, arp_mask); 2005d91e8eeeSRaja Mani if (ret) { 2006d91e8eeeSRaja Mani ath6kl_err("failed to add WOW ARP pattern\n"); 2007d91e8eeeSRaja Mani return ret; 2008d91e8eeeSRaja Mani } 2009d91e8eeeSRaja Mani 2010d91e8eeeSRaja Mani /* 2011d91e8eeeSRaja Mani * Setup multicast pattern for mDNS 224.0.0.251, 2012d91e8eeeSRaja Mani * SSDP 239.255.255.250 and LLMNR 224.0.0.252 2013d91e8eeeSRaja Mani */ 2014d91e8eeeSRaja Mani ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, 2015d91e8eeeSRaja Mani vif->fw_vif_idx, WOW_LIST_ID, 2016d91e8eeeSRaja Mani sizeof(discvr_pattern), discvr_offset, 2017d91e8eeeSRaja Mani discvr_pattern, discvr_mask); 2018d91e8eeeSRaja Mani if (ret) { 2019d91e8eeeSRaja Mani ath6kl_err("failed to add WOW mDNS/SSDP/LLMNR pattern\n"); 2020d91e8eeeSRaja Mani return ret; 2021d91e8eeeSRaja Mani } 2022d91e8eeeSRaja Mani 2023d91e8eeeSRaja Mani /* Setup all DHCP broadcast pkt pattern */ 2024d91e8eeeSRaja Mani ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, 2025d91e8eeeSRaja Mani vif->fw_vif_idx, WOW_LIST_ID, 2026d91e8eeeSRaja Mani sizeof(dhcp_pattern), dhcp_offset, 2027d91e8eeeSRaja Mani dhcp_pattern, dhcp_mask); 2028d91e8eeeSRaja Mani if (ret) { 2029d91e8eeeSRaja Mani ath6kl_err("failed to add WOW DHCP broadcast pattern\n"); 2030d91e8eeeSRaja Mani return ret; 2031d91e8eeeSRaja Mani } 2032d91e8eeeSRaja Mani 2033d91e8eeeSRaja Mani return 0; 2034d91e8eeeSRaja Mani } 2035d91e8eeeSRaja Mani 2036d91e8eeeSRaja Mani static int ath6kl_wow_sta(struct ath6kl *ar, struct ath6kl_vif *vif) 2037d91e8eeeSRaja Mani { 2038d91e8eeeSRaja Mani struct net_device *ndev = vif->ndev; 2039d91e8eeeSRaja Mani static const u8 discvr_pattern[] = { 0xe0, 0x00, 0x00, 0xf8 }; 2040d91e8eeeSRaja Mani static const u8 discvr_mask[] = { 0xf0, 0x00, 0x00, 0xf8 }; 2041d91e8eeeSRaja Mani u8 discvr_offset = 38; 2042d91e8eeeSRaja Mani u8 mac_mask[ETH_ALEN]; 2043d91e8eeeSRaja Mani int ret; 2044d91e8eeeSRaja Mani 2045d91e8eeeSRaja Mani /* Setup unicast pkt pattern */ 204693803b33SJoe Perches eth_broadcast_addr(mac_mask); 2047d91e8eeeSRaja Mani ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, 2048d91e8eeeSRaja Mani vif->fw_vif_idx, WOW_LIST_ID, 2049d91e8eeeSRaja Mani ETH_ALEN, 0, ndev->dev_addr, 2050d91e8eeeSRaja Mani mac_mask); 2051d91e8eeeSRaja Mani if (ret) { 2052d91e8eeeSRaja Mani ath6kl_err("failed to add WOW unicast pattern\n"); 2053d91e8eeeSRaja Mani return ret; 2054d91e8eeeSRaja Mani } 2055d91e8eeeSRaja Mani 2056d91e8eeeSRaja Mani /* 2057d91e8eeeSRaja Mani * Setup multicast pattern for mDNS 224.0.0.251, 2058d91e8eeeSRaja Mani * SSDP 239.255.255.250 and LLMNR 224.0.0.252 2059d91e8eeeSRaja Mani */ 2060d91e8eeeSRaja Mani if ((ndev->flags & IFF_ALLMULTI) || 2061d91e8eeeSRaja Mani (ndev->flags & IFF_MULTICAST && netdev_mc_count(ndev) > 0)) { 2062d91e8eeeSRaja Mani ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi, 2063d91e8eeeSRaja Mani vif->fw_vif_idx, WOW_LIST_ID, 2064d91e8eeeSRaja Mani sizeof(discvr_pattern), discvr_offset, 2065d91e8eeeSRaja Mani discvr_pattern, discvr_mask); 2066d91e8eeeSRaja Mani if (ret) { 2067cdeb8602SKalle Valo ath6kl_err("failed to add WOW mDNS/SSDP/LLMNR pattern\n"); 2068d91e8eeeSRaja Mani return ret; 2069d91e8eeeSRaja Mani } 2070d91e8eeeSRaja Mani } 2071d91e8eeeSRaja Mani 2072d91e8eeeSRaja Mani return 0; 2073d91e8eeeSRaja Mani } 2074d91e8eeeSRaja Mani 2075055bde49SRaja Mani static int is_hsleep_mode_procsed(struct ath6kl_vif *vif) 2076055bde49SRaja Mani { 2077055bde49SRaja Mani return test_bit(HOST_SLEEP_MODE_CMD_PROCESSED, &vif->flags); 2078055bde49SRaja Mani } 2079055bde49SRaja Mani 2080055bde49SRaja Mani static bool is_ctrl_ep_empty(struct ath6kl *ar) 2081055bde49SRaja Mani { 2082055bde49SRaja Mani return !ar->tx_pending[ar->ctrl_ep]; 2083055bde49SRaja Mani } 2084055bde49SRaja Mani 2085055bde49SRaja Mani static int ath6kl_cfg80211_host_sleep(struct ath6kl *ar, struct ath6kl_vif *vif) 2086055bde49SRaja Mani { 2087055bde49SRaja Mani int ret, left; 2088055bde49SRaja Mani 2089055bde49SRaja Mani clear_bit(HOST_SLEEP_MODE_CMD_PROCESSED, &vif->flags); 2090055bde49SRaja Mani 2091055bde49SRaja Mani ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx, 2092055bde49SRaja Mani ATH6KL_HOST_MODE_ASLEEP); 2093055bde49SRaja Mani if (ret) 2094055bde49SRaja Mani return ret; 2095055bde49SRaja Mani 2096055bde49SRaja Mani left = wait_event_interruptible_timeout(ar->event_wq, 2097055bde49SRaja Mani is_hsleep_mode_procsed(vif), 2098055bde49SRaja Mani WMI_TIMEOUT); 2099055bde49SRaja Mani if (left == 0) { 2100055bde49SRaja Mani ath6kl_warn("timeout, didn't get host sleep cmd processed event\n"); 2101055bde49SRaja Mani ret = -ETIMEDOUT; 2102055bde49SRaja Mani } else if (left < 0) { 2103055bde49SRaja Mani ath6kl_warn("error while waiting for host sleep cmd processed event %d\n", 2104055bde49SRaja Mani left); 2105055bde49SRaja Mani ret = left; 2106055bde49SRaja Mani } 2107055bde49SRaja Mani 2108055bde49SRaja Mani if (ar->tx_pending[ar->ctrl_ep]) { 2109055bde49SRaja Mani left = wait_event_interruptible_timeout(ar->event_wq, 2110055bde49SRaja Mani is_ctrl_ep_empty(ar), 2111055bde49SRaja Mani WMI_TIMEOUT); 2112055bde49SRaja Mani if (left == 0) { 2113055bde49SRaja Mani ath6kl_warn("clear wmi ctrl data timeout\n"); 2114055bde49SRaja Mani ret = -ETIMEDOUT; 2115055bde49SRaja Mani } else if (left < 0) { 2116055bde49SRaja Mani ath6kl_warn("clear wmi ctrl data failed: %d\n", left); 2117055bde49SRaja Mani ret = left; 2118055bde49SRaja Mani } 2119055bde49SRaja Mani } 2120055bde49SRaja Mani 2121055bde49SRaja Mani return ret; 2122055bde49SRaja Mani } 2123055bde49SRaja Mani 2124fd4377b6SThomas Pedersen static int ath6kl_wow_suspend_vif(struct ath6kl_vif *vif, 2125fd4377b6SThomas Pedersen struct cfg80211_wowlan *wow, u32 *filter) 2126d91e8eeeSRaja Mani { 2127fd4377b6SThomas Pedersen struct ath6kl *ar = vif->ar; 2128d91e8eeeSRaja Mani struct in_device *in_dev; 2129d91e8eeeSRaja Mani struct in_ifaddr *ifa; 2130055bde49SRaja Mani int ret; 2131ce0dc0cfSRaja Mani u16 i, bmiss_time; 2132d91e8eeeSRaja Mani __be32 ips[MAX_IP_ADDRS]; 2133fd4377b6SThomas Pedersen u8 index = 0; 2134d91e8eeeSRaja Mani 21356821d4f0SNaveen Gangadharan if (!test_bit(NETDEV_MCAST_ALL_ON, &vif->flags) && 21366821d4f0SNaveen Gangadharan test_bit(ATH6KL_FW_CAPABILITY_WOW_MULTICAST_FILTER, 21376821d4f0SNaveen Gangadharan ar->fw_capabilities)) { 21386251d801SNaveen Gangadharan ret = ath6kl_wmi_mcast_filter_cmd(vif->ar->wmi, 21396251d801SNaveen Gangadharan vif->fw_vif_idx, false); 21406251d801SNaveen Gangadharan if (ret) 21416251d801SNaveen Gangadharan return ret; 21426251d801SNaveen Gangadharan } 21436251d801SNaveen Gangadharan 2144d91e8eeeSRaja Mani /* Clear existing WOW patterns */ 2145d91e8eeeSRaja Mani for (i = 0; i < WOW_MAX_FILTERS_PER_LIST; i++) 2146d91e8eeeSRaja Mani ath6kl_wmi_del_wow_pattern_cmd(ar->wmi, vif->fw_vif_idx, 2147d91e8eeeSRaja Mani WOW_LIST_ID, i); 2148d91e8eeeSRaja Mani 2149d91e8eeeSRaja Mani /* 2150d91e8eeeSRaja Mani * Skip the default WOW pattern configuration 2151d91e8eeeSRaja Mani * if the driver receives any WOW patterns from 2152d91e8eeeSRaja Mani * the user. 2153d91e8eeeSRaja Mani */ 2154d91e8eeeSRaja Mani if (wow) 2155fd4377b6SThomas Pedersen ret = ath6kl_wow_usr(ar, vif, wow, filter); 2156d91e8eeeSRaja Mani else if (vif->nw_type == AP_NETWORK) 2157d91e8eeeSRaja Mani ret = ath6kl_wow_ap(ar, vif); 2158d91e8eeeSRaja Mani else 2159d91e8eeeSRaja Mani ret = ath6kl_wow_sta(ar, vif); 2160d91e8eeeSRaja Mani 2161d91e8eeeSRaja Mani if (ret) 2162d91e8eeeSRaja Mani return ret; 2163d91e8eeeSRaja Mani 2164390a8c8fSRaja Mani netif_stop_queue(vif->ndev); 2165390a8c8fSRaja Mani 2166ce0dc0cfSRaja Mani if (vif->nw_type != AP_NETWORK) { 2167ce0dc0cfSRaja Mani ret = ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx, 2168ce0dc0cfSRaja Mani ATH6KL_MAX_WOW_LISTEN_INTL, 2169ce0dc0cfSRaja Mani 0); 2170ce0dc0cfSRaja Mani if (ret) 2171ce0dc0cfSRaja Mani return ret; 2172ce0dc0cfSRaja Mani 2173ce0dc0cfSRaja Mani /* Set listen interval x 15 times as bmiss time */ 2174ce0dc0cfSRaja Mani bmiss_time = ATH6KL_MAX_WOW_LISTEN_INTL * 15; 2175ce0dc0cfSRaja Mani if (bmiss_time > ATH6KL_MAX_BMISS_TIME) 2176ce0dc0cfSRaja Mani bmiss_time = ATH6KL_MAX_BMISS_TIME; 2177ce0dc0cfSRaja Mani 2178ce0dc0cfSRaja Mani ret = ath6kl_wmi_bmisstime_cmd(ar->wmi, vif->fw_vif_idx, 2179ce0dc0cfSRaja Mani bmiss_time, 0); 2180ce0dc0cfSRaja Mani if (ret) 2181ce0dc0cfSRaja Mani return ret; 2182ce0dc0cfSRaja Mani 2183ce0dc0cfSRaja Mani ret = ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx, 2184ce0dc0cfSRaja Mani 0xFFFF, 0, 0xFFFF, 0, 0, 0, 2185ce0dc0cfSRaja Mani 0, 0, 0, 0); 2186ce0dc0cfSRaja Mani if (ret) 2187ce0dc0cfSRaja Mani return ret; 2188ce0dc0cfSRaja Mani } 2189ce0dc0cfSRaja Mani 2190c08631c6SRaja Mani /* Setup own IP addr for ARP agent. */ 2191c08631c6SRaja Mani in_dev = __in_dev_get_rtnl(vif->ndev); 2192c08631c6SRaja Mani if (!in_dev) 2193fd4377b6SThomas Pedersen return 0; 2194c08631c6SRaja Mani 2195c08631c6SRaja Mani ifa = in_dev->ifa_list; 2196c08631c6SRaja Mani memset(&ips, 0, sizeof(ips)); 2197c08631c6SRaja Mani 2198c08631c6SRaja Mani /* Configure IP addr only if IP address count < MAX_IP_ADDRS */ 2199c08631c6SRaja Mani while (index < MAX_IP_ADDRS && ifa) { 2200c08631c6SRaja Mani ips[index] = ifa->ifa_local; 2201c08631c6SRaja Mani ifa = ifa->ifa_next; 2202c08631c6SRaja Mani index++; 2203c08631c6SRaja Mani } 2204c08631c6SRaja Mani 2205c08631c6SRaja Mani if (ifa) { 2206c08631c6SRaja Mani ath6kl_err("total IP addr count is exceeding fw limit\n"); 2207c08631c6SRaja Mani return -EINVAL; 2208c08631c6SRaja Mani } 2209c08631c6SRaja Mani 2210c08631c6SRaja Mani ret = ath6kl_wmi_set_ip_cmd(ar->wmi, vif->fw_vif_idx, ips[0], ips[1]); 2211c08631c6SRaja Mani if (ret) { 2212c08631c6SRaja Mani ath6kl_err("fail to setup ip for arp agent\n"); 2213c08631c6SRaja Mani return ret; 2214c08631c6SRaja Mani } 2215c08631c6SRaja Mani 2216fd4377b6SThomas Pedersen return ret; 2217fd4377b6SThomas Pedersen } 2218fd4377b6SThomas Pedersen 2219fd4377b6SThomas Pedersen static int ath6kl_wow_suspend(struct ath6kl *ar, struct cfg80211_wowlan *wow) 2220fd4377b6SThomas Pedersen { 2221fd4377b6SThomas Pedersen struct ath6kl_vif *first_vif, *vif; 2222fd4377b6SThomas Pedersen int ret = 0; 2223fd4377b6SThomas Pedersen u32 filter = 0; 2224fd4377b6SThomas Pedersen bool connected = false; 2225fd4377b6SThomas Pedersen 2226fd4377b6SThomas Pedersen /* enter / leave wow suspend on first vif always */ 2227fd4377b6SThomas Pedersen first_vif = ath6kl_vif_first(ar); 2228bffb7db2SGeliang Tang if (WARN_ON(!first_vif) || 2229fd4377b6SThomas Pedersen !ath6kl_cfg80211_ready(first_vif)) 2230fd4377b6SThomas Pedersen return -EIO; 2231fd4377b6SThomas Pedersen 2232fd4377b6SThomas Pedersen if (wow && (wow->n_patterns > WOW_MAX_FILTERS_PER_LIST)) 2233fd4377b6SThomas Pedersen return -EINVAL; 2234fd4377b6SThomas Pedersen 2235fd4377b6SThomas Pedersen /* install filters for each connected vif */ 2236fd4377b6SThomas Pedersen spin_lock_bh(&ar->list_lock); 2237fd4377b6SThomas Pedersen list_for_each_entry(vif, &ar->vif_list, list) { 2238fd4377b6SThomas Pedersen if (!test_bit(CONNECTED, &vif->flags) || 2239fd4377b6SThomas Pedersen !ath6kl_cfg80211_ready(vif)) 2240fd4377b6SThomas Pedersen continue; 2241fd4377b6SThomas Pedersen connected = true; 2242fd4377b6SThomas Pedersen 2243fd4377b6SThomas Pedersen ret = ath6kl_wow_suspend_vif(vif, wow, &filter); 2244fd4377b6SThomas Pedersen if (ret) 2245fd4377b6SThomas Pedersen break; 2246fd4377b6SThomas Pedersen } 2247fd4377b6SThomas Pedersen spin_unlock_bh(&ar->list_lock); 2248fd4377b6SThomas Pedersen 2249fd4377b6SThomas Pedersen if (!connected) 2250fd4377b6SThomas Pedersen return -ENOTCONN; 2251fd4377b6SThomas Pedersen else if (ret) 2252fd4377b6SThomas Pedersen return ret; 2253fd4377b6SThomas Pedersen 2254fd4377b6SThomas Pedersen ar->state = ATH6KL_STATE_SUSPENDING; 2255fd4377b6SThomas Pedersen 2256fd4377b6SThomas Pedersen ret = ath6kl_wmi_set_wow_mode_cmd(ar->wmi, first_vif->fw_vif_idx, 22576cb3c714SRaja Mani ATH6KL_WOW_MODE_ENABLE, 22586cb3c714SRaja Mani filter, 22596cb3c714SRaja Mani WOW_HOST_REQ_DELAY); 22606cb3c714SRaja Mani if (ret) 22616cb3c714SRaja Mani return ret; 22626cb3c714SRaja Mani 2263fd4377b6SThomas Pedersen return ath6kl_cfg80211_host_sleep(ar, first_vif); 22646cb3c714SRaja Mani } 22656cb3c714SRaja Mani 2266fd4377b6SThomas Pedersen static int ath6kl_wow_resume_vif(struct ath6kl_vif *vif) 22676cb3c714SRaja Mani { 2268fd4377b6SThomas Pedersen struct ath6kl *ar = vif->ar; 22696cb3c714SRaja Mani int ret; 22706cb3c714SRaja Mani 2271ce0dc0cfSRaja Mani if (vif->nw_type != AP_NETWORK) { 2272ce0dc0cfSRaja Mani ret = ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx, 2273ce0dc0cfSRaja Mani 0, 0, 0, 0, 0, 0, 3, 0, 0, 0); 2274ce0dc0cfSRaja Mani if (ret) 2275ce0dc0cfSRaja Mani return ret; 2276ce0dc0cfSRaja Mani 2277ce0dc0cfSRaja Mani ret = ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx, 2278ce0dc0cfSRaja Mani vif->listen_intvl_t, 0); 2279ce0dc0cfSRaja Mani if (ret) 2280ce0dc0cfSRaja Mani return ret; 2281ce0dc0cfSRaja Mani 2282ce0dc0cfSRaja Mani ret = ath6kl_wmi_bmisstime_cmd(ar->wmi, vif->fw_vif_idx, 2283ce0dc0cfSRaja Mani vif->bmiss_time_t, 0); 2284ce0dc0cfSRaja Mani if (ret) 2285ce0dc0cfSRaja Mani return ret; 2286ce0dc0cfSRaja Mani } 2287ce0dc0cfSRaja Mani 22886821d4f0SNaveen Gangadharan if (!test_bit(NETDEV_MCAST_ALL_OFF, &vif->flags) && 22896821d4f0SNaveen Gangadharan test_bit(ATH6KL_FW_CAPABILITY_WOW_MULTICAST_FILTER, 22906821d4f0SNaveen Gangadharan ar->fw_capabilities)) { 22916251d801SNaveen Gangadharan ret = ath6kl_wmi_mcast_filter_cmd(vif->ar->wmi, 22926251d801SNaveen Gangadharan vif->fw_vif_idx, true); 22936251d801SNaveen Gangadharan if (ret) 22946251d801SNaveen Gangadharan return ret; 22956251d801SNaveen Gangadharan } 22966251d801SNaveen Gangadharan 2297390a8c8fSRaja Mani netif_wake_queue(vif->ndev); 2298390a8c8fSRaja Mani 2299390a8c8fSRaja Mani return 0; 2300390a8c8fSRaja Mani } 2301390a8c8fSRaja Mani 2302fd4377b6SThomas Pedersen static int ath6kl_wow_resume(struct ath6kl *ar) 2303fd4377b6SThomas Pedersen { 2304fd4377b6SThomas Pedersen struct ath6kl_vif *vif; 2305fd4377b6SThomas Pedersen int ret; 2306fd4377b6SThomas Pedersen 2307fd4377b6SThomas Pedersen vif = ath6kl_vif_first(ar); 2308bffb7db2SGeliang Tang if (WARN_ON(!vif) || 2309fd4377b6SThomas Pedersen !ath6kl_cfg80211_ready(vif)) 2310fd4377b6SThomas Pedersen return -EIO; 2311fd4377b6SThomas Pedersen 2312fd4377b6SThomas Pedersen ar->state = ATH6KL_STATE_RESUMING; 2313fd4377b6SThomas Pedersen 2314fd4377b6SThomas Pedersen ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx, 2315fd4377b6SThomas Pedersen ATH6KL_HOST_MODE_AWAKE); 2316fd4377b6SThomas Pedersen if (ret) { 2317fd4377b6SThomas Pedersen ath6kl_warn("Failed to configure host sleep mode for wow resume: %d\n", 2318fd4377b6SThomas Pedersen ret); 2319fd4377b6SThomas Pedersen goto cleanup; 2320fd4377b6SThomas Pedersen } 2321fd4377b6SThomas Pedersen 2322fd4377b6SThomas Pedersen spin_lock_bh(&ar->list_lock); 2323fd4377b6SThomas Pedersen list_for_each_entry(vif, &ar->vif_list, list) { 2324fd4377b6SThomas Pedersen if (!test_bit(CONNECTED, &vif->flags) || 2325fd4377b6SThomas Pedersen !ath6kl_cfg80211_ready(vif)) 2326fd4377b6SThomas Pedersen continue; 2327fd4377b6SThomas Pedersen ret = ath6kl_wow_resume_vif(vif); 2328fd4377b6SThomas Pedersen if (ret) 2329fd4377b6SThomas Pedersen break; 2330fd4377b6SThomas Pedersen } 2331fd4377b6SThomas Pedersen spin_unlock_bh(&ar->list_lock); 2332fd4377b6SThomas Pedersen 2333fd4377b6SThomas Pedersen if (ret) 2334fd4377b6SThomas Pedersen goto cleanup; 2335fd4377b6SThomas Pedersen 2336fd4377b6SThomas Pedersen ar->state = ATH6KL_STATE_ON; 2337fd4377b6SThomas Pedersen return 0; 2338fd4377b6SThomas Pedersen 2339fd4377b6SThomas Pedersen cleanup: 2340fd4377b6SThomas Pedersen ar->state = ATH6KL_STATE_WOW; 2341fd4377b6SThomas Pedersen return ret; 2342fd4377b6SThomas Pedersen } 2343fd4377b6SThomas Pedersen 234440abc2deSRaja Mani static int ath6kl_cfg80211_deepsleep_suspend(struct ath6kl *ar) 234540abc2deSRaja Mani { 234640abc2deSRaja Mani struct ath6kl_vif *vif; 234740abc2deSRaja Mani int ret; 234840abc2deSRaja Mani 234940abc2deSRaja Mani vif = ath6kl_vif_first(ar); 235040abc2deSRaja Mani if (!vif) 235140abc2deSRaja Mani return -EIO; 235240abc2deSRaja Mani 235348f27587SMing Jiang if (!test_bit(WMI_READY, &ar->flag)) { 235448f27587SMing Jiang ath6kl_err("deepsleep failed as wmi is not ready\n"); 235540abc2deSRaja Mani return -EIO; 235648f27587SMing Jiang } 235740abc2deSRaja Mani 235840abc2deSRaja Mani ath6kl_cfg80211_stop_all(ar); 235940abc2deSRaja Mani 236040abc2deSRaja Mani /* Save the current power mode before enabling power save */ 236140abc2deSRaja Mani ar->wmi->saved_pwr_mode = ar->wmi->pwr_mode; 236240abc2deSRaja Mani 236340abc2deSRaja Mani ret = ath6kl_wmi_powermode_cmd(ar->wmi, 0, REC_POWER); 236440abc2deSRaja Mani if (ret) 236540abc2deSRaja Mani return ret; 236640abc2deSRaja Mani 236740abc2deSRaja Mani /* Disable WOW mode */ 236840abc2deSRaja Mani ret = ath6kl_wmi_set_wow_mode_cmd(ar->wmi, vif->fw_vif_idx, 236940abc2deSRaja Mani ATH6KL_WOW_MODE_DISABLE, 237040abc2deSRaja Mani 0, 0); 237140abc2deSRaja Mani if (ret) 237240abc2deSRaja Mani return ret; 237340abc2deSRaja Mani 237440abc2deSRaja Mani /* Flush all non control pkts in TX path */ 237540abc2deSRaja Mani ath6kl_tx_data_cleanup(ar); 237640abc2deSRaja Mani 237740abc2deSRaja Mani ret = ath6kl_cfg80211_host_sleep(ar, vif); 237840abc2deSRaja Mani if (ret) 237940abc2deSRaja Mani return ret; 238040abc2deSRaja Mani 238140abc2deSRaja Mani return 0; 238240abc2deSRaja Mani } 238340abc2deSRaja Mani 238440abc2deSRaja Mani static int ath6kl_cfg80211_deepsleep_resume(struct ath6kl *ar) 238540abc2deSRaja Mani { 238640abc2deSRaja Mani struct ath6kl_vif *vif; 238740abc2deSRaja Mani int ret; 238840abc2deSRaja Mani 238940abc2deSRaja Mani vif = ath6kl_vif_first(ar); 239040abc2deSRaja Mani 239140abc2deSRaja Mani if (!vif) 239240abc2deSRaja Mani return -EIO; 239340abc2deSRaja Mani 239440abc2deSRaja Mani if (ar->wmi->pwr_mode != ar->wmi->saved_pwr_mode) { 239540abc2deSRaja Mani ret = ath6kl_wmi_powermode_cmd(ar->wmi, 0, 239640abc2deSRaja Mani ar->wmi->saved_pwr_mode); 239740abc2deSRaja Mani if (ret) 239840abc2deSRaja Mani return ret; 239940abc2deSRaja Mani } 240040abc2deSRaja Mani 240140abc2deSRaja Mani ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx, 240240abc2deSRaja Mani ATH6KL_HOST_MODE_AWAKE); 240340abc2deSRaja Mani if (ret) 240440abc2deSRaja Mani return ret; 240540abc2deSRaja Mani 240640abc2deSRaja Mani ar->state = ATH6KL_STATE_ON; 240740abc2deSRaja Mani 240840abc2deSRaja Mani /* Reset scan parameter to default values */ 240940abc2deSRaja Mani ret = ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx, 241040abc2deSRaja Mani 0, 0, 0, 0, 0, 0, 3, 0, 0, 0); 241140abc2deSRaja Mani if (ret) 241240abc2deSRaja Mani return ret; 241340abc2deSRaja Mani 241440abc2deSRaja Mani return 0; 241540abc2deSRaja Mani } 241640abc2deSRaja Mani 241752d81a68SKalle Valo int ath6kl_cfg80211_suspend(struct ath6kl *ar, 24180f60e9f4SRaja Mani enum ath6kl_cfg_suspend_mode mode, 24190f60e9f4SRaja Mani struct cfg80211_wowlan *wow) 242052d81a68SKalle Valo { 24213d79499cSVivek Natarajan struct ath6kl_vif *vif; 2422390a8c8fSRaja Mani enum ath6kl_state prev_state; 242352d81a68SKalle Valo int ret; 242452d81a68SKalle Valo 242552d81a68SKalle Valo switch (mode) { 2426d7c44e0bSRaja Mani case ATH6KL_CFG_SUSPEND_WOW: 2427d7c44e0bSRaja Mani 2428d7c44e0bSRaja Mani ath6kl_dbg(ATH6KL_DBG_SUSPEND, "wow mode suspend\n"); 2429d7c44e0bSRaja Mani 2430d7c44e0bSRaja Mani /* Flush all non control pkts in TX path */ 2431d7c44e0bSRaja Mani ath6kl_tx_data_cleanup(ar); 2432d7c44e0bSRaja Mani 2433390a8c8fSRaja Mani prev_state = ar->state; 2434390a8c8fSRaja Mani 2435d7c44e0bSRaja Mani ret = ath6kl_wow_suspend(ar, wow); 2436390a8c8fSRaja Mani if (ret) { 2437390a8c8fSRaja Mani ar->state = prev_state; 2438d7c44e0bSRaja Mani return ret; 2439390a8c8fSRaja Mani } 24401e9a905dSRaja Mani 2441d7c44e0bSRaja Mani ar->state = ATH6KL_STATE_WOW; 2442d7c44e0bSRaja Mani break; 2443d7c44e0bSRaja Mani 244452d81a68SKalle Valo case ATH6KL_CFG_SUSPEND_DEEPSLEEP: 2445524441e3SRaja Mani 244640abc2deSRaja Mani ath6kl_dbg(ATH6KL_DBG_SUSPEND, "deep sleep suspend\n"); 2447524441e3SRaja Mani 244840abc2deSRaja Mani ret = ath6kl_cfg80211_deepsleep_suspend(ar); 244952d81a68SKalle Valo if (ret) { 245040abc2deSRaja Mani ath6kl_err("deepsleep suspend failed: %d\n", ret); 245140abc2deSRaja Mani return ret; 245252d81a68SKalle Valo } 245352d81a68SKalle Valo 245476a9fbe2SKalle Valo ar->state = ATH6KL_STATE_DEEPSLEEP; 245576a9fbe2SKalle Valo 245652d81a68SKalle Valo break; 2457b4b2a0b1SKalle Valo 2458b4b2a0b1SKalle Valo case ATH6KL_CFG_SUSPEND_CUTPOWER: 2459524441e3SRaja Mani 24607125f01dSKalle Valo ath6kl_cfg80211_stop_all(ar); 2461524441e3SRaja Mani 2462b4b2a0b1SKalle Valo if (ar->state == ATH6KL_STATE_OFF) { 2463b4b2a0b1SKalle Valo ath6kl_dbg(ATH6KL_DBG_SUSPEND, 2464b4b2a0b1SKalle Valo "suspend hw off, no action for cutpower\n"); 2465b4b2a0b1SKalle Valo break; 2466b4b2a0b1SKalle Valo } 2467b4b2a0b1SKalle Valo 2468b4b2a0b1SKalle Valo ath6kl_dbg(ATH6KL_DBG_SUSPEND, "suspend cutting power\n"); 2469b4b2a0b1SKalle Valo 2470b4b2a0b1SKalle Valo ret = ath6kl_init_hw_stop(ar); 2471b4b2a0b1SKalle Valo if (ret) { 2472b4b2a0b1SKalle Valo ath6kl_warn("failed to stop hw during suspend: %d\n", 2473b4b2a0b1SKalle Valo ret); 2474b4b2a0b1SKalle Valo } 2475b4b2a0b1SKalle Valo 2476b4b2a0b1SKalle Valo ar->state = ATH6KL_STATE_CUTPOWER; 2477b4b2a0b1SKalle Valo 2478b4b2a0b1SKalle Valo break; 2479b4b2a0b1SKalle Valo 2480b4b2a0b1SKalle Valo default: 2481b4b2a0b1SKalle Valo break; 248252d81a68SKalle Valo } 248352d81a68SKalle Valo 24843d79499cSVivek Natarajan list_for_each_entry(vif, &ar->vif_list, list) 24853d79499cSVivek Natarajan ath6kl_cfg80211_scan_complete_event(vif, true); 24863d79499cSVivek Natarajan 248752d81a68SKalle Valo return 0; 248852d81a68SKalle Valo } 2489d6a434d6SKalle Valo EXPORT_SYMBOL(ath6kl_cfg80211_suspend); 249052d81a68SKalle Valo 249152d81a68SKalle Valo int ath6kl_cfg80211_resume(struct ath6kl *ar) 249252d81a68SKalle Valo { 249376a9fbe2SKalle Valo int ret; 249476a9fbe2SKalle Valo 249576a9fbe2SKalle Valo switch (ar->state) { 2496d7c44e0bSRaja Mani case ATH6KL_STATE_WOW: 2497d7c44e0bSRaja Mani ath6kl_dbg(ATH6KL_DBG_SUSPEND, "wow mode resume\n"); 2498d7c44e0bSRaja Mani 2499d7c44e0bSRaja Mani ret = ath6kl_wow_resume(ar); 2500d7c44e0bSRaja Mani if (ret) { 2501d7c44e0bSRaja Mani ath6kl_warn("wow mode resume failed: %d\n", ret); 2502d7c44e0bSRaja Mani return ret; 2503d7c44e0bSRaja Mani } 2504d7c44e0bSRaja Mani 2505d7c44e0bSRaja Mani break; 2506d7c44e0bSRaja Mani 250776a9fbe2SKalle Valo case ATH6KL_STATE_DEEPSLEEP: 250840abc2deSRaja Mani ath6kl_dbg(ATH6KL_DBG_SUSPEND, "deep sleep resume\n"); 250940abc2deSRaja Mani 251040abc2deSRaja Mani ret = ath6kl_cfg80211_deepsleep_resume(ar); 251176a9fbe2SKalle Valo if (ret) { 251240abc2deSRaja Mani ath6kl_warn("deep sleep resume failed: %d\n", ret); 251340abc2deSRaja Mani return ret; 251476a9fbe2SKalle Valo } 251576a9fbe2SKalle Valo break; 251676a9fbe2SKalle Valo 2517b4b2a0b1SKalle Valo case ATH6KL_STATE_CUTPOWER: 2518b4b2a0b1SKalle Valo ath6kl_dbg(ATH6KL_DBG_SUSPEND, "resume restoring power\n"); 2519b4b2a0b1SKalle Valo 2520b4b2a0b1SKalle Valo ret = ath6kl_init_hw_start(ar); 2521b4b2a0b1SKalle Valo if (ret) { 2522b4b2a0b1SKalle Valo ath6kl_warn("Failed to boot hw in resume: %d\n", ret); 2523b4b2a0b1SKalle Valo return ret; 2524b4b2a0b1SKalle Valo } 2525d7c44e0bSRaja Mani break; 2526b4b2a0b1SKalle Valo 252776a9fbe2SKalle Valo default: 252876a9fbe2SKalle Valo break; 252952d81a68SKalle Valo } 253052d81a68SKalle Valo 253152d81a68SKalle Valo return 0; 253252d81a68SKalle Valo } 2533d6a434d6SKalle Valo EXPORT_SYMBOL(ath6kl_cfg80211_resume); 253452d81a68SKalle Valo 2535abcb344bSKalle Valo #ifdef CONFIG_PM 253652d81a68SKalle Valo 253752d81a68SKalle Valo /* hif layer decides what suspend mode to use */ 253852d81a68SKalle Valo static int __ath6kl_cfg80211_suspend(struct wiphy *wiphy, 2539abcb344bSKalle Valo struct cfg80211_wowlan *wow) 2540abcb344bSKalle Valo { 2541abcb344bSKalle Valo struct ath6kl *ar = wiphy_priv(wiphy); 2542abcb344bSKalle Valo 254384caf800SVasanthakumar Thiagarajan ath6kl_recovery_suspend(ar); 254484caf800SVasanthakumar Thiagarajan 25450f60e9f4SRaja Mani return ath6kl_hif_suspend(ar, wow); 2546abcb344bSKalle Valo } 2547aa6cffc1SChilam Ng 254852d81a68SKalle Valo static int __ath6kl_cfg80211_resume(struct wiphy *wiphy) 2549aa6cffc1SChilam Ng { 2550aa6cffc1SChilam Ng struct ath6kl *ar = wiphy_priv(wiphy); 255184caf800SVasanthakumar Thiagarajan int err; 2552aa6cffc1SChilam Ng 255384caf800SVasanthakumar Thiagarajan err = ath6kl_hif_resume(ar); 255484caf800SVasanthakumar Thiagarajan if (err) 255584caf800SVasanthakumar Thiagarajan return err; 255684caf800SVasanthakumar Thiagarajan 255792332993SVasanthakumar Thiagarajan ath6kl_recovery_resume(ar); 255884caf800SVasanthakumar Thiagarajan 255984caf800SVasanthakumar Thiagarajan return 0; 2560aa6cffc1SChilam Ng } 2561a918fb3cSRaja Mani 2562a918fb3cSRaja Mani /* 2563a918fb3cSRaja Mani * FIXME: WOW suspend mode is selected if the host sdio controller supports 2564a918fb3cSRaja Mani * both sdio irq wake up and keep power. The target pulls sdio data line to 2565a918fb3cSRaja Mani * wake up the host when WOW pattern matches. This causes sdio irq handler 2566a918fb3cSRaja Mani * is being called in the host side which internally hits ath6kl's RX path. 2567a918fb3cSRaja Mani * 2568a918fb3cSRaja Mani * Since sdio interrupt is not disabled, RX path executes even before 2569a918fb3cSRaja Mani * the host executes the actual resume operation from PM module. 2570a918fb3cSRaja Mani * 2571a918fb3cSRaja Mani * In the current scenario, WOW resume should happen before start processing 2572a918fb3cSRaja Mani * any data from the target. So It's required to perform WOW resume in RX path. 2573a918fb3cSRaja Mani * Ideally we should perform WOW resume only in the actual platform 2574a918fb3cSRaja Mani * resume path. This area needs bit rework to avoid WOW resume in RX path. 2575a918fb3cSRaja Mani * 2576a918fb3cSRaja Mani * ath6kl_check_wow_status() is called from ath6kl_rx(). 2577a918fb3cSRaja Mani */ 2578a918fb3cSRaja Mani void ath6kl_check_wow_status(struct ath6kl *ar) 2579a918fb3cSRaja Mani { 2580390a8c8fSRaja Mani if (ar->state == ATH6KL_STATE_SUSPENDING) 2581390a8c8fSRaja Mani return; 2582390a8c8fSRaja Mani 2583a918fb3cSRaja Mani if (ar->state == ATH6KL_STATE_WOW) 2584a918fb3cSRaja Mani ath6kl_cfg80211_resume(ar); 2585a918fb3cSRaja Mani } 2586a918fb3cSRaja Mani 2587a918fb3cSRaja Mani #else 2588a918fb3cSRaja Mani 2589a918fb3cSRaja Mani void ath6kl_check_wow_status(struct ath6kl *ar) 2590a918fb3cSRaja Mani { 2591a918fb3cSRaja Mani } 2592abcb344bSKalle Valo #endif 2593abcb344bSKalle Valo 259457fbcce3SJohannes Berg static int ath6kl_set_htcap(struct ath6kl_vif *vif, enum nl80211_band band, 2595df90b369SVasanthakumar Thiagarajan bool ht_enable) 25966a7c9badSJouni Malinen { 259767b3f129SKiran Reddy struct ath6kl_htcap *htcap = &vif->htcap[band]; 2598e68f6750SSujith Manoharan 2599df90b369SVasanthakumar Thiagarajan if (htcap->ht_enable == ht_enable) 26006a7c9badSJouni Malinen return 0; 2601df90b369SVasanthakumar Thiagarajan 2602df90b369SVasanthakumar Thiagarajan if (ht_enable) { 2603df90b369SVasanthakumar Thiagarajan /* Set default ht capabilities */ 2604df90b369SVasanthakumar Thiagarajan htcap->ht_enable = true; 260557fbcce3SJohannes Berg htcap->cap_info = (band == NL80211_BAND_2GHZ) ? 2606df90b369SVasanthakumar Thiagarajan ath6kl_g_htcap : ath6kl_a_htcap; 2607df90b369SVasanthakumar Thiagarajan htcap->ampdu_factor = IEEE80211_HT_MAX_AMPDU_16K; 2608df90b369SVasanthakumar Thiagarajan } else /* Disable ht */ 2609df90b369SVasanthakumar Thiagarajan memset(htcap, 0, sizeof(*htcap)); 2610df90b369SVasanthakumar Thiagarajan 2611df90b369SVasanthakumar Thiagarajan return ath6kl_wmi_set_htcap_cmd(vif->ar->wmi, vif->fw_vif_idx, 2612df90b369SVasanthakumar Thiagarajan band, htcap); 26136a7c9badSJouni Malinen } 26146a7c9badSJouni Malinen 261537a2f950SThomas Pedersen static int ath6kl_restore_htcap(struct ath6kl_vif *vif) 261637a2f950SThomas Pedersen { 261737a2f950SThomas Pedersen struct wiphy *wiphy = vif->ar->wiphy; 261837a2f950SThomas Pedersen int band, ret = 0; 261937a2f950SThomas Pedersen 262057fbcce3SJohannes Berg for (band = 0; band < NUM_NL80211_BANDS; band++) { 262137a2f950SThomas Pedersen if (!wiphy->bands[band]) 262237a2f950SThomas Pedersen continue; 262337a2f950SThomas Pedersen 262437a2f950SThomas Pedersen ret = ath6kl_set_htcap(vif, band, 262537a2f950SThomas Pedersen wiphy->bands[band]->ht_cap.ht_supported); 262637a2f950SThomas Pedersen if (ret) 262737a2f950SThomas Pedersen return ret; 262837a2f950SThomas Pedersen } 262937a2f950SThomas Pedersen 263037a2f950SThomas Pedersen return ret; 263137a2f950SThomas Pedersen } 263237a2f950SThomas Pedersen 26338bdfbf40SJouni Malinen static bool ath6kl_is_p2p_ie(const u8 *pos) 26348bdfbf40SJouni Malinen { 26358bdfbf40SJouni Malinen return pos[0] == WLAN_EID_VENDOR_SPECIFIC && pos[1] >= 4 && 26368bdfbf40SJouni Malinen pos[2] == 0x50 && pos[3] == 0x6f && 26378bdfbf40SJouni Malinen pos[4] == 0x9a && pos[5] == 0x09; 26388bdfbf40SJouni Malinen } 26398bdfbf40SJouni Malinen 2640334234b5SVasanthakumar Thiagarajan static int ath6kl_set_ap_probe_resp_ies(struct ath6kl_vif *vif, 2641334234b5SVasanthakumar Thiagarajan const u8 *ies, size_t ies_len) 26428bdfbf40SJouni Malinen { 2643334234b5SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 26448bdfbf40SJouni Malinen const u8 *pos; 26458bdfbf40SJouni Malinen u8 *buf = NULL; 26468bdfbf40SJouni Malinen size_t len = 0; 26478bdfbf40SJouni Malinen int ret; 26488bdfbf40SJouni Malinen 26498bdfbf40SJouni Malinen /* 26508bdfbf40SJouni Malinen * Filter out P2P IE(s) since they will be included depending on 26518bdfbf40SJouni Malinen * the Probe Request frame in ath6kl_send_go_probe_resp(). 26528bdfbf40SJouni Malinen */ 26538bdfbf40SJouni Malinen 26548bdfbf40SJouni Malinen if (ies && ies_len) { 26558bdfbf40SJouni Malinen buf = kmalloc(ies_len, GFP_KERNEL); 26568bdfbf40SJouni Malinen if (buf == NULL) 26578bdfbf40SJouni Malinen return -ENOMEM; 26588bdfbf40SJouni Malinen pos = ies; 26598bdfbf40SJouni Malinen while (pos + 1 < ies + ies_len) { 26608bdfbf40SJouni Malinen if (pos + 2 + pos[1] > ies + ies_len) 26618bdfbf40SJouni Malinen break; 26628bdfbf40SJouni Malinen if (!ath6kl_is_p2p_ie(pos)) { 26638bdfbf40SJouni Malinen memcpy(buf + len, pos, 2 + pos[1]); 26648bdfbf40SJouni Malinen len += 2 + pos[1]; 26658bdfbf40SJouni Malinen } 26668bdfbf40SJouni Malinen pos += 2 + pos[1]; 26678bdfbf40SJouni Malinen } 26688bdfbf40SJouni Malinen } 26698bdfbf40SJouni Malinen 2670334234b5SVasanthakumar Thiagarajan ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, 2671334234b5SVasanthakumar Thiagarajan WMI_FRAME_PROBE_RESP, buf, len); 26728bdfbf40SJouni Malinen kfree(buf); 26738bdfbf40SJouni Malinen return ret; 26748bdfbf40SJouni Malinen } 26758bdfbf40SJouni Malinen 26768860020eSJohannes Berg static int ath6kl_set_ies(struct ath6kl_vif *vif, 26778860020eSJohannes Berg struct cfg80211_beacon_data *info) 26788860020eSJohannes Berg { 26798860020eSJohannes Berg struct ath6kl *ar = vif->ar; 26808860020eSJohannes Berg int res; 26818860020eSJohannes Berg 268217a7b16dSAarthi Thiruvengadam /* this also clears IE in fw if it's not set */ 26838860020eSJohannes Berg res = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, 26848860020eSJohannes Berg WMI_FRAME_BEACON, 26858860020eSJohannes Berg info->beacon_ies, 26868860020eSJohannes Berg info->beacon_ies_len); 26878860020eSJohannes Berg if (res) 26888860020eSJohannes Berg return res; 26898860020eSJohannes Berg 269017a7b16dSAarthi Thiruvengadam /* this also clears IE in fw if it's not set */ 26918860020eSJohannes Berg res = ath6kl_set_ap_probe_resp_ies(vif, info->proberesp_ies, 26928860020eSJohannes Berg info->proberesp_ies_len); 26938860020eSJohannes Berg if (res) 26948860020eSJohannes Berg return res; 26958860020eSJohannes Berg 269617a7b16dSAarthi Thiruvengadam /* this also clears IE in fw if it's not set */ 26978860020eSJohannes Berg res = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, 26988860020eSJohannes Berg WMI_FRAME_ASSOC_RESP, 26998860020eSJohannes Berg info->assocresp_ies, 27008860020eSJohannes Berg info->assocresp_ies_len); 27018860020eSJohannes Berg if (res) 27028860020eSJohannes Berg return res; 27038860020eSJohannes Berg 27048860020eSJohannes Berg return 0; 27058860020eSJohannes Berg } 27068860020eSJohannes Berg 2707d97c121bSVasanthakumar Thiagarajan static int ath6kl_get_rsn_capab(struct cfg80211_beacon_data *beacon, 2708d97c121bSVasanthakumar Thiagarajan u8 *rsn_capab) 2709d97c121bSVasanthakumar Thiagarajan { 2710d97c121bSVasanthakumar Thiagarajan const u8 *rsn_ie; 2711d97c121bSVasanthakumar Thiagarajan size_t rsn_ie_len; 2712d97c121bSVasanthakumar Thiagarajan u16 cnt; 2713d97c121bSVasanthakumar Thiagarajan 2714d97c121bSVasanthakumar Thiagarajan if (!beacon->tail) 2715d97c121bSVasanthakumar Thiagarajan return -EINVAL; 2716d97c121bSVasanthakumar Thiagarajan 2717d97c121bSVasanthakumar Thiagarajan rsn_ie = cfg80211_find_ie(WLAN_EID_RSN, beacon->tail, beacon->tail_len); 2718d97c121bSVasanthakumar Thiagarajan if (!rsn_ie) 2719d97c121bSVasanthakumar Thiagarajan return -EINVAL; 2720d97c121bSVasanthakumar Thiagarajan 2721d97c121bSVasanthakumar Thiagarajan rsn_ie_len = *(rsn_ie + 1); 2722d97c121bSVasanthakumar Thiagarajan /* skip element id and length */ 2723d97c121bSVasanthakumar Thiagarajan rsn_ie += 2; 2724d97c121bSVasanthakumar Thiagarajan 27259e8b16dbSVasanthakumar Thiagarajan /* skip version */ 27269e8b16dbSVasanthakumar Thiagarajan if (rsn_ie_len < 2) 2727d97c121bSVasanthakumar Thiagarajan return -EINVAL; 27289e8b16dbSVasanthakumar Thiagarajan rsn_ie += 2; 27299e8b16dbSVasanthakumar Thiagarajan rsn_ie_len -= 2; 27309e8b16dbSVasanthakumar Thiagarajan 27319e8b16dbSVasanthakumar Thiagarajan /* skip group cipher suite */ 27329e8b16dbSVasanthakumar Thiagarajan if (rsn_ie_len < 4) 27339e8b16dbSVasanthakumar Thiagarajan return 0; 27349e8b16dbSVasanthakumar Thiagarajan rsn_ie += 4; 27359e8b16dbSVasanthakumar Thiagarajan rsn_ie_len -= 4; 2736d97c121bSVasanthakumar Thiagarajan 2737d97c121bSVasanthakumar Thiagarajan /* skip pairwise cipher suite */ 2738d97c121bSVasanthakumar Thiagarajan if (rsn_ie_len < 2) 27399e8b16dbSVasanthakumar Thiagarajan return 0; 2740798985c6SVasanthakumar Thiagarajan cnt = get_unaligned_le16(rsn_ie); 2741d97c121bSVasanthakumar Thiagarajan rsn_ie += (2 + cnt * 4); 2742d97c121bSVasanthakumar Thiagarajan rsn_ie_len -= (2 + cnt * 4); 2743d97c121bSVasanthakumar Thiagarajan 2744d97c121bSVasanthakumar Thiagarajan /* skip akm suite */ 2745d97c121bSVasanthakumar Thiagarajan if (rsn_ie_len < 2) 27469e8b16dbSVasanthakumar Thiagarajan return 0; 2747798985c6SVasanthakumar Thiagarajan cnt = get_unaligned_le16(rsn_ie); 2748d97c121bSVasanthakumar Thiagarajan rsn_ie += (2 + cnt * 4); 2749d97c121bSVasanthakumar Thiagarajan rsn_ie_len -= (2 + cnt * 4); 2750d97c121bSVasanthakumar Thiagarajan 2751d97c121bSVasanthakumar Thiagarajan if (rsn_ie_len < 2) 27529e8b16dbSVasanthakumar Thiagarajan return 0; 2753d97c121bSVasanthakumar Thiagarajan 2754d97c121bSVasanthakumar Thiagarajan memcpy(rsn_capab, rsn_ie, 2); 2755d97c121bSVasanthakumar Thiagarajan 2756d97c121bSVasanthakumar Thiagarajan return 0; 2757d97c121bSVasanthakumar Thiagarajan } 2758d97c121bSVasanthakumar Thiagarajan 27598860020eSJohannes Berg static int ath6kl_start_ap(struct wiphy *wiphy, struct net_device *dev, 27608860020eSJohannes Berg struct cfg80211_ap_settings *info) 27616a7c9badSJouni Malinen { 27626a7c9badSJouni Malinen struct ath6kl *ar = ath6kl_priv(dev); 27633450334fSVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 27646a7c9badSJouni Malinen struct ieee80211_mgmt *mgmt; 276567cd22e4SThomas Pedersen bool hidden = false; 27666a7c9badSJouni Malinen u8 *ies; 27676a7c9badSJouni Malinen int ies_len; 27686a7c9badSJouni Malinen struct wmi_connect_cmd p; 27696a7c9badSJouni Malinen int res; 2770be5abaafSVasanthakumar Thiagarajan int i, ret; 2771d97c121bSVasanthakumar Thiagarajan u16 rsn_capab = 0; 27727ac25eacSMohammed Shafi Shajakhan int inactivity_timeout = 0; 27736a7c9badSJouni Malinen 27748860020eSJohannes Berg ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s:\n", __func__); 27756a7c9badSJouni Malinen 2776990bd915SVasanthakumar Thiagarajan if (!ath6kl_cfg80211_ready(vif)) 27776a7c9badSJouni Malinen return -EIO; 27786a7c9badSJouni Malinen 2779f5938f24SVasanthakumar Thiagarajan if (vif->next_mode != AP_NETWORK) 27806a7c9badSJouni Malinen return -EOPNOTSUPP; 27816a7c9badSJouni Malinen 27828860020eSJohannes Berg res = ath6kl_set_ies(vif, &info->beacon); 27836a7c9badSJouni Malinen 27849a5b1318SJouni Malinen ar->ap_mode_bkey.valid = false; 27859a5b1318SJouni Malinen 2786eb922e4bSMohammed Shafi Shajakhan ret = ath6kl_wmi_ap_set_beacon_intvl_cmd(ar->wmi, vif->fw_vif_idx, 2787eb922e4bSMohammed Shafi Shajakhan info->beacon_interval); 2788eb922e4bSMohammed Shafi Shajakhan 2789eb922e4bSMohammed Shafi Shajakhan if (ret) 2790eb922e4bSMohammed Shafi Shajakhan ath6kl_warn("Failed to set beacon interval: %d\n", ret); 27916a7c9badSJouni Malinen 2792d154f32eSEtay Luz ret = ath6kl_wmi_ap_set_dtim_cmd(ar->wmi, vif->fw_vif_idx, 2793d154f32eSEtay Luz info->dtim_period); 2794d154f32eSEtay Luz 2795d154f32eSEtay Luz /* ignore error, just print a warning and continue normally */ 2796d154f32eSEtay Luz if (ret) 2797d154f32eSEtay Luz ath6kl_warn("Failed to set dtim_period in beacon: %d\n", ret); 2798d154f32eSEtay Luz 27998860020eSJohannes Berg if (info->beacon.head == NULL) 28006a7c9badSJouni Malinen return -EINVAL; 28018860020eSJohannes Berg mgmt = (struct ieee80211_mgmt *) info->beacon.head; 28026a7c9badSJouni Malinen ies = mgmt->u.beacon.variable; 28038860020eSJohannes Berg if (ies > info->beacon.head + info->beacon.head_len) 28046a7c9badSJouni Malinen return -EINVAL; 28058860020eSJohannes Berg ies_len = info->beacon.head + info->beacon.head_len - ies; 28066a7c9badSJouni Malinen 28076a7c9badSJouni Malinen if (info->ssid == NULL) 28086a7c9badSJouni Malinen return -EINVAL; 28093450334fSVasanthakumar Thiagarajan memcpy(vif->ssid, info->ssid, info->ssid_len); 28103450334fSVasanthakumar Thiagarajan vif->ssid_len = info->ssid_len; 28116a7c9badSJouni Malinen if (info->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE) 281267cd22e4SThomas Pedersen hidden = true; 281367cd22e4SThomas Pedersen 281467cd22e4SThomas Pedersen res = ath6kl_wmi_ap_hidden_ssid(ar->wmi, vif->fw_vif_idx, hidden); 281567cd22e4SThomas Pedersen if (res) 281667cd22e4SThomas Pedersen return res; 28176a7c9badSJouni Malinen 2818be5abaafSVasanthakumar Thiagarajan ret = ath6kl_set_auth_type(vif, info->auth_type); 2819be5abaafSVasanthakumar Thiagarajan if (ret) 2820be5abaafSVasanthakumar Thiagarajan return ret; 28216a7c9badSJouni Malinen 28226a7c9badSJouni Malinen memset(&p, 0, sizeof(p)); 28236a7c9badSJouni Malinen 28246a7c9badSJouni Malinen for (i = 0; i < info->crypto.n_akm_suites; i++) { 28256a7c9badSJouni Malinen switch (info->crypto.akm_suites[i]) { 28266a7c9badSJouni Malinen case WLAN_AKM_SUITE_8021X: 28276a7c9badSJouni Malinen if (info->crypto.wpa_versions & NL80211_WPA_VERSION_1) 28286a7c9badSJouni Malinen p.auth_mode |= WPA_AUTH; 28296a7c9badSJouni Malinen if (info->crypto.wpa_versions & NL80211_WPA_VERSION_2) 28306a7c9badSJouni Malinen p.auth_mode |= WPA2_AUTH; 28316a7c9badSJouni Malinen break; 28326a7c9badSJouni Malinen case WLAN_AKM_SUITE_PSK: 28336a7c9badSJouni Malinen if (info->crypto.wpa_versions & NL80211_WPA_VERSION_1) 28346a7c9badSJouni Malinen p.auth_mode |= WPA_PSK_AUTH; 28356a7c9badSJouni Malinen if (info->crypto.wpa_versions & NL80211_WPA_VERSION_2) 28366a7c9badSJouni Malinen p.auth_mode |= WPA2_PSK_AUTH; 28376a7c9badSJouni Malinen break; 28386a7c9badSJouni Malinen } 28396a7c9badSJouni Malinen } 28406a7c9badSJouni Malinen if (p.auth_mode == 0) 28416a7c9badSJouni Malinen p.auth_mode = NONE_AUTH; 28423450334fSVasanthakumar Thiagarajan vif->auth_mode = p.auth_mode; 28436a7c9badSJouni Malinen 28446a7c9badSJouni Malinen for (i = 0; i < info->crypto.n_ciphers_pairwise; i++) { 28456a7c9badSJouni Malinen switch (info->crypto.ciphers_pairwise[i]) { 28466a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_WEP40: 28476a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_WEP104: 28486a7c9badSJouni Malinen p.prwise_crypto_type |= WEP_CRYPT; 28496a7c9badSJouni Malinen break; 28506a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_TKIP: 28516a7c9badSJouni Malinen p.prwise_crypto_type |= TKIP_CRYPT; 28526a7c9badSJouni Malinen break; 28536a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_CCMP: 28546a7c9badSJouni Malinen p.prwise_crypto_type |= AES_CRYPT; 28556a7c9badSJouni Malinen break; 2856b8214df1SDai Shuibing case WLAN_CIPHER_SUITE_SMS4: 2857b8214df1SDai Shuibing p.prwise_crypto_type |= WAPI_CRYPT; 2858b8214df1SDai Shuibing break; 28596a7c9badSJouni Malinen } 28606a7c9badSJouni Malinen } 2861229ed6b5SEdward Lu if (p.prwise_crypto_type == 0) { 28626a7c9badSJouni Malinen p.prwise_crypto_type = NONE_CRYPT; 2863240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, 0, true); 2864a5d8f9dfSKalle Valo } else if (info->crypto.n_ciphers_pairwise == 1) { 2865240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, info->crypto.ciphers_pairwise[0], true); 2866a5d8f9dfSKalle Valo } 28676a7c9badSJouni Malinen 28686a7c9badSJouni Malinen switch (info->crypto.cipher_group) { 28696a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_WEP40: 28706a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_WEP104: 28716a7c9badSJouni Malinen p.grp_crypto_type = WEP_CRYPT; 28726a7c9badSJouni Malinen break; 28736a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_TKIP: 28746a7c9badSJouni Malinen p.grp_crypto_type = TKIP_CRYPT; 28756a7c9badSJouni Malinen break; 28766a7c9badSJouni Malinen case WLAN_CIPHER_SUITE_CCMP: 28776a7c9badSJouni Malinen p.grp_crypto_type = AES_CRYPT; 28786a7c9badSJouni Malinen break; 2879b8214df1SDai Shuibing case WLAN_CIPHER_SUITE_SMS4: 2880b8214df1SDai Shuibing p.grp_crypto_type = WAPI_CRYPT; 2881b8214df1SDai Shuibing break; 28826a7c9badSJouni Malinen default: 28836a7c9badSJouni Malinen p.grp_crypto_type = NONE_CRYPT; 28846a7c9badSJouni Malinen break; 28856a7c9badSJouni Malinen } 2886240d2799SVasanthakumar Thiagarajan ath6kl_set_cipher(vif, info->crypto.cipher_group, false); 28876a7c9badSJouni Malinen 28886a7c9badSJouni Malinen p.nw_type = AP_NETWORK; 2889f5938f24SVasanthakumar Thiagarajan vif->nw_type = vif->next_mode; 28906a7c9badSJouni Malinen 28913450334fSVasanthakumar Thiagarajan p.ssid_len = vif->ssid_len; 28923450334fSVasanthakumar Thiagarajan memcpy(p.ssid, vif->ssid, vif->ssid_len); 28933450334fSVasanthakumar Thiagarajan p.dot11_auth_mode = vif->dot11_auth_mode; 2894683b6d3bSJohannes Berg p.ch = cpu_to_le16(info->chandef.chan->center_freq); 28956a7c9badSJouni Malinen 2896c1762a3fSThirumalai Pachamuthu /* Enable uAPSD support by default */ 2897c1762a3fSThirumalai Pachamuthu res = ath6kl_wmi_ap_set_apsd(ar->wmi, vif->fw_vif_idx, true); 2898c1762a3fSThirumalai Pachamuthu if (res < 0) 2899c1762a3fSThirumalai Pachamuthu return res; 2900c1762a3fSThirumalai Pachamuthu 29013ca9d1fcSAarthi Thiruvengadam if (vif->wdev.iftype == NL80211_IFTYPE_P2P_GO) { 29023ca9d1fcSAarthi Thiruvengadam p.nw_subtype = SUBTYPE_P2PGO; 29033ca9d1fcSAarthi Thiruvengadam } else { 29043ca9d1fcSAarthi Thiruvengadam /* 29053ca9d1fcSAarthi Thiruvengadam * Due to firmware limitation, it is not possible to 29063ca9d1fcSAarthi Thiruvengadam * do P2P mgmt operations in AP mode 29073ca9d1fcSAarthi Thiruvengadam */ 29083ca9d1fcSAarthi Thiruvengadam p.nw_subtype = SUBTYPE_NONE; 29093ca9d1fcSAarthi Thiruvengadam } 29103ca9d1fcSAarthi Thiruvengadam 291103bdeb0dSVasanthakumar Thiagarajan if (info->inactivity_timeout) { 29127ac25eacSMohammed Shafi Shajakhan inactivity_timeout = info->inactivity_timeout; 29137ac25eacSMohammed Shafi Shajakhan 2914eba95bceSKalle Valo if (test_bit(ATH6KL_FW_CAPABILITY_AP_INACTIVITY_MINS, 2915eba95bceSKalle Valo ar->fw_capabilities)) 29167ac25eacSMohammed Shafi Shajakhan inactivity_timeout = DIV_ROUND_UP(inactivity_timeout, 29177ac25eacSMohammed Shafi Shajakhan 60); 29187ac25eacSMohammed Shafi Shajakhan 291903bdeb0dSVasanthakumar Thiagarajan res = ath6kl_wmi_set_inact_period(ar->wmi, vif->fw_vif_idx, 29207ac25eacSMohammed Shafi Shajakhan inactivity_timeout); 292103bdeb0dSVasanthakumar Thiagarajan if (res < 0) 292203bdeb0dSVasanthakumar Thiagarajan return res; 292303bdeb0dSVasanthakumar Thiagarajan } 292403bdeb0dSVasanthakumar Thiagarajan 2925683b6d3bSJohannes Berg if (ath6kl_set_htcap(vif, info->chandef.chan->band, 2926683b6d3bSJohannes Berg cfg80211_get_chandef_type(&info->chandef) 2927683b6d3bSJohannes Berg != NL80211_CHAN_NO_HT)) 2928df90b369SVasanthakumar Thiagarajan return -EIO; 2929df90b369SVasanthakumar Thiagarajan 2930d97c121bSVasanthakumar Thiagarajan /* 2931d97c121bSVasanthakumar Thiagarajan * Get the PTKSA replay counter in the RSN IE. Supplicant 2932d97c121bSVasanthakumar Thiagarajan * will use the RSN IE in M3 message and firmware has to 2933d97c121bSVasanthakumar Thiagarajan * advertise the same in beacon/probe response. Send 2934d97c121bSVasanthakumar Thiagarajan * the complete RSN IE capability field to firmware 2935d97c121bSVasanthakumar Thiagarajan */ 2936d97c121bSVasanthakumar Thiagarajan if (!ath6kl_get_rsn_capab(&info->beacon, (u8 *) &rsn_capab) && 2937d97c121bSVasanthakumar Thiagarajan test_bit(ATH6KL_FW_CAPABILITY_RSN_CAP_OVERRIDE, 2938d97c121bSVasanthakumar Thiagarajan ar->fw_capabilities)) { 2939d97c121bSVasanthakumar Thiagarajan res = ath6kl_wmi_set_ie_cmd(ar->wmi, vif->fw_vif_idx, 2940d97c121bSVasanthakumar Thiagarajan WLAN_EID_RSN, WMI_RSN_IE_CAPB, 2941d97c121bSVasanthakumar Thiagarajan (const u8 *) &rsn_capab, 2942d97c121bSVasanthakumar Thiagarajan sizeof(rsn_capab)); 2943f21243a8SThomas Pedersen vif->rsn_capab = rsn_capab; 2944d97c121bSVasanthakumar Thiagarajan if (res < 0) 2945d97c121bSVasanthakumar Thiagarajan return res; 2946d97c121bSVasanthakumar Thiagarajan } 2947d97c121bSVasanthakumar Thiagarajan 2948c4f7863eSThomas Pedersen memcpy(&vif->profile, &p, sizeof(p)); 2949334234b5SVasanthakumar Thiagarajan res = ath6kl_wmi_ap_profile_commit(ar->wmi, vif->fw_vif_idx, &p); 29509a5b1318SJouni Malinen if (res < 0) 29519a5b1318SJouni Malinen return res; 29529a5b1318SJouni Malinen 29539a5b1318SJouni Malinen return 0; 29546a7c9badSJouni Malinen } 29556a7c9badSJouni Malinen 29568860020eSJohannes Berg static int ath6kl_change_beacon(struct wiphy *wiphy, struct net_device *dev, 29578860020eSJohannes Berg struct cfg80211_beacon_data *beacon) 29586a7c9badSJouni Malinen { 29598860020eSJohannes Berg struct ath6kl_vif *vif = netdev_priv(dev); 29608860020eSJohannes Berg 29618860020eSJohannes Berg if (!ath6kl_cfg80211_ready(vif)) 29628860020eSJohannes Berg return -EIO; 29638860020eSJohannes Berg 29648860020eSJohannes Berg if (vif->next_mode != AP_NETWORK) 29658860020eSJohannes Berg return -EOPNOTSUPP; 29668860020eSJohannes Berg 29678860020eSJohannes Berg return ath6kl_set_ies(vif, beacon); 29686a7c9badSJouni Malinen } 29696a7c9badSJouni Malinen 29708860020eSJohannes Berg static int ath6kl_stop_ap(struct wiphy *wiphy, struct net_device *dev) 29716a7c9badSJouni Malinen { 29726a7c9badSJouni Malinen struct ath6kl *ar = ath6kl_priv(dev); 297359c98449SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 29746a7c9badSJouni Malinen 2975f5938f24SVasanthakumar Thiagarajan if (vif->nw_type != AP_NETWORK) 29766a7c9badSJouni Malinen return -EOPNOTSUPP; 297759c98449SVasanthakumar Thiagarajan if (!test_bit(CONNECTED, &vif->flags)) 29786a7c9badSJouni Malinen return -ENOTCONN; 29796a7c9badSJouni Malinen 2980334234b5SVasanthakumar Thiagarajan ath6kl_wmi_disconnect_cmd(ar->wmi, vif->fw_vif_idx); 298159c98449SVasanthakumar Thiagarajan clear_bit(CONNECTED, &vif->flags); 298276b817f6SPierre Le Magourou netif_carrier_off(vif->ndev); 29836a7c9badSJouni Malinen 2984df90b369SVasanthakumar Thiagarajan /* Restore ht setting in firmware */ 298537a2f950SThomas Pedersen return ath6kl_restore_htcap(vif); 29866a7c9badSJouni Malinen } 29876a7c9badSJouni Malinen 298833e5308dSJouni Malinen static const u8 bcast_addr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; 298933e5308dSJouni Malinen 299033e5308dSJouni Malinen static int ath6kl_del_station(struct wiphy *wiphy, struct net_device *dev, 299189c771e5SJouni Malinen struct station_del_parameters *params) 299233e5308dSJouni Malinen { 299333e5308dSJouni Malinen struct ath6kl *ar = ath6kl_priv(dev); 299433e5308dSJouni Malinen struct ath6kl_vif *vif = netdev_priv(dev); 299589c771e5SJouni Malinen const u8 *addr = params->mac ? params->mac : bcast_addr; 299633e5308dSJouni Malinen 299733e5308dSJouni Malinen return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx, WMI_AP_DEAUTH, 299833e5308dSJouni Malinen addr, WLAN_REASON_PREV_AUTH_NOT_VALID); 299933e5308dSJouni Malinen } 300033e5308dSJouni Malinen 300123875136SJouni Malinen static int ath6kl_change_station(struct wiphy *wiphy, struct net_device *dev, 30023b3a0162SJohannes Berg const u8 *mac, 30033b3a0162SJohannes Berg struct station_parameters *params) 300423875136SJouni Malinen { 300523875136SJouni Malinen struct ath6kl *ar = ath6kl_priv(dev); 3006f5938f24SVasanthakumar Thiagarajan struct ath6kl_vif *vif = netdev_priv(dev); 300777ee7c89SJohannes Berg int err; 300823875136SJouni Malinen 3009f5938f24SVasanthakumar Thiagarajan if (vif->nw_type != AP_NETWORK) 301023875136SJouni Malinen return -EOPNOTSUPP; 301123875136SJouni Malinen 301277ee7c89SJohannes Berg err = cfg80211_check_station_change(wiphy, params, 301377ee7c89SJohannes Berg CFG80211_STA_AP_MLME_CLIENT); 301477ee7c89SJohannes Berg if (err) 301577ee7c89SJohannes Berg return err; 301623875136SJouni Malinen 301723875136SJouni Malinen if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED)) 3018334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx, 3019334234b5SVasanthakumar Thiagarajan WMI_AP_MLME_AUTHORIZE, mac, 0); 3020334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx, 3021334234b5SVasanthakumar Thiagarajan WMI_AP_MLME_UNAUTHORIZE, mac, 0); 302223875136SJouni Malinen } 302323875136SJouni Malinen 302463fa1e0cSJouni Malinen static int ath6kl_remain_on_channel(struct wiphy *wiphy, 302571bbc994SJohannes Berg struct wireless_dev *wdev, 302663fa1e0cSJouni Malinen struct ieee80211_channel *chan, 302763fa1e0cSJouni Malinen unsigned int duration, 302863fa1e0cSJouni Malinen u64 *cookie) 302963fa1e0cSJouni Malinen { 303071bbc994SJohannes Berg struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev); 303171bbc994SJohannes Berg struct ath6kl *ar = ath6kl_priv(vif->ndev); 30321052261eSJouni Malinen u32 id; 303363fa1e0cSJouni Malinen 303463fa1e0cSJouni Malinen /* TODO: if already pending or ongoing remain-on-channel, 303563fa1e0cSJouni Malinen * return -EBUSY */ 30361052261eSJouni Malinen id = ++vif->last_roc_id; 30371052261eSJouni Malinen if (id == 0) { 30381052261eSJouni Malinen /* Do not use 0 as the cookie value */ 30391052261eSJouni Malinen id = ++vif->last_roc_id; 30401052261eSJouni Malinen } 30411052261eSJouni Malinen *cookie = id; 304263fa1e0cSJouni Malinen 3043334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_remain_on_chnl_cmd(ar->wmi, vif->fw_vif_idx, 3044334234b5SVasanthakumar Thiagarajan chan->center_freq, duration); 304563fa1e0cSJouni Malinen } 304663fa1e0cSJouni Malinen 304763fa1e0cSJouni Malinen static int ath6kl_cancel_remain_on_channel(struct wiphy *wiphy, 304871bbc994SJohannes Berg struct wireless_dev *wdev, 304963fa1e0cSJouni Malinen u64 cookie) 305063fa1e0cSJouni Malinen { 305171bbc994SJohannes Berg struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev); 305271bbc994SJohannes Berg struct ath6kl *ar = ath6kl_priv(vif->ndev); 305363fa1e0cSJouni Malinen 30541052261eSJouni Malinen if (cookie != vif->last_roc_id) 305563fa1e0cSJouni Malinen return -ENOENT; 30561052261eSJouni Malinen vif->last_cancel_roc_id = cookie; 305763fa1e0cSJouni Malinen 3058334234b5SVasanthakumar Thiagarajan return ath6kl_wmi_cancel_remain_on_chnl_cmd(ar->wmi, vif->fw_vif_idx); 305963fa1e0cSJouni Malinen } 306063fa1e0cSJouni Malinen 3061334234b5SVasanthakumar Thiagarajan static int ath6kl_send_go_probe_resp(struct ath6kl_vif *vif, 3062334234b5SVasanthakumar Thiagarajan const u8 *buf, size_t len, 3063334234b5SVasanthakumar Thiagarajan unsigned int freq) 30648bdfbf40SJouni Malinen { 3065334234b5SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 30668bdfbf40SJouni Malinen const u8 *pos; 30678bdfbf40SJouni Malinen u8 *p2p; 30688bdfbf40SJouni Malinen int p2p_len; 30698bdfbf40SJouni Malinen int ret; 30708bdfbf40SJouni Malinen const struct ieee80211_mgmt *mgmt; 30718bdfbf40SJouni Malinen 30728bdfbf40SJouni Malinen mgmt = (const struct ieee80211_mgmt *) buf; 30738bdfbf40SJouni Malinen 30748bdfbf40SJouni Malinen /* Include P2P IE(s) from the frame generated in user space. */ 30758bdfbf40SJouni Malinen 30768bdfbf40SJouni Malinen p2p = kmalloc(len, GFP_KERNEL); 30778bdfbf40SJouni Malinen if (p2p == NULL) 30788bdfbf40SJouni Malinen return -ENOMEM; 30798bdfbf40SJouni Malinen p2p_len = 0; 30808bdfbf40SJouni Malinen 30818bdfbf40SJouni Malinen pos = mgmt->u.probe_resp.variable; 30828bdfbf40SJouni Malinen while (pos + 1 < buf + len) { 30838bdfbf40SJouni Malinen if (pos + 2 + pos[1] > buf + len) 30848bdfbf40SJouni Malinen break; 30858bdfbf40SJouni Malinen if (ath6kl_is_p2p_ie(pos)) { 30868bdfbf40SJouni Malinen memcpy(p2p + p2p_len, pos, 2 + pos[1]); 30878bdfbf40SJouni Malinen p2p_len += 2 + pos[1]; 30888bdfbf40SJouni Malinen } 30898bdfbf40SJouni Malinen pos += 2 + pos[1]; 30908bdfbf40SJouni Malinen } 30918bdfbf40SJouni Malinen 3092334234b5SVasanthakumar Thiagarajan ret = ath6kl_wmi_send_probe_response_cmd(ar->wmi, vif->fw_vif_idx, freq, 3093334234b5SVasanthakumar Thiagarajan mgmt->da, p2p, p2p_len); 30948bdfbf40SJouni Malinen kfree(p2p); 30958bdfbf40SJouni Malinen return ret; 30968bdfbf40SJouni Malinen } 30978bdfbf40SJouni Malinen 3098d0ff7383SNaveen Gangadharan static bool ath6kl_mgmt_powersave_ap(struct ath6kl_vif *vif, 3099d0ff7383SNaveen Gangadharan u32 id, 3100d0ff7383SNaveen Gangadharan u32 freq, 3101d0ff7383SNaveen Gangadharan u32 wait, 3102d0ff7383SNaveen Gangadharan const u8 *buf, 3103d0ff7383SNaveen Gangadharan size_t len, 3104d0ff7383SNaveen Gangadharan bool *more_data, 3105d0ff7383SNaveen Gangadharan bool no_cck) 3106d0ff7383SNaveen Gangadharan { 3107d0ff7383SNaveen Gangadharan struct ieee80211_mgmt *mgmt; 3108d0ff7383SNaveen Gangadharan struct ath6kl_sta *conn; 3109d0ff7383SNaveen Gangadharan bool is_psq_empty = false; 3110d0ff7383SNaveen Gangadharan struct ath6kl_mgmt_buff *mgmt_buf; 3111d0ff7383SNaveen Gangadharan size_t mgmt_buf_size; 3112d0ff7383SNaveen Gangadharan struct ath6kl *ar = vif->ar; 3113d0ff7383SNaveen Gangadharan 3114d0ff7383SNaveen Gangadharan mgmt = (struct ieee80211_mgmt *) buf; 3115d0ff7383SNaveen Gangadharan if (is_multicast_ether_addr(mgmt->da)) 3116d0ff7383SNaveen Gangadharan return false; 3117d0ff7383SNaveen Gangadharan 3118d0ff7383SNaveen Gangadharan conn = ath6kl_find_sta(vif, mgmt->da); 3119d0ff7383SNaveen Gangadharan if (!conn) 3120d0ff7383SNaveen Gangadharan return false; 3121d0ff7383SNaveen Gangadharan 3122d0ff7383SNaveen Gangadharan if (conn->sta_flags & STA_PS_SLEEP) { 3123d0ff7383SNaveen Gangadharan if (!(conn->sta_flags & STA_PS_POLLED)) { 3124d0ff7383SNaveen Gangadharan /* Queue the frames if the STA is sleeping */ 3125d0ff7383SNaveen Gangadharan mgmt_buf_size = len + sizeof(struct ath6kl_mgmt_buff); 3126d0ff7383SNaveen Gangadharan mgmt_buf = kmalloc(mgmt_buf_size, GFP_KERNEL); 3127d0ff7383SNaveen Gangadharan if (!mgmt_buf) 3128d0ff7383SNaveen Gangadharan return false; 3129d0ff7383SNaveen Gangadharan 3130d0ff7383SNaveen Gangadharan INIT_LIST_HEAD(&mgmt_buf->list); 3131d0ff7383SNaveen Gangadharan mgmt_buf->id = id; 3132d0ff7383SNaveen Gangadharan mgmt_buf->freq = freq; 3133d0ff7383SNaveen Gangadharan mgmt_buf->wait = wait; 3134d0ff7383SNaveen Gangadharan mgmt_buf->len = len; 3135d0ff7383SNaveen Gangadharan mgmt_buf->no_cck = no_cck; 3136d0ff7383SNaveen Gangadharan memcpy(mgmt_buf->buf, buf, len); 3137d0ff7383SNaveen Gangadharan spin_lock_bh(&conn->psq_lock); 3138d0ff7383SNaveen Gangadharan is_psq_empty = skb_queue_empty(&conn->psq) && 3139d0ff7383SNaveen Gangadharan (conn->mgmt_psq_len == 0); 3140d0ff7383SNaveen Gangadharan list_add_tail(&mgmt_buf->list, &conn->mgmt_psq); 3141d0ff7383SNaveen Gangadharan conn->mgmt_psq_len++; 3142d0ff7383SNaveen Gangadharan spin_unlock_bh(&conn->psq_lock); 3143d0ff7383SNaveen Gangadharan 3144d0ff7383SNaveen Gangadharan /* 3145d0ff7383SNaveen Gangadharan * If this is the first pkt getting queued 3146d0ff7383SNaveen Gangadharan * for this STA, update the PVB for this 3147d0ff7383SNaveen Gangadharan * STA. 3148d0ff7383SNaveen Gangadharan */ 3149d0ff7383SNaveen Gangadharan if (is_psq_empty) 3150d0ff7383SNaveen Gangadharan ath6kl_wmi_set_pvb_cmd(ar->wmi, vif->fw_vif_idx, 3151d0ff7383SNaveen Gangadharan conn->aid, 1); 3152d0ff7383SNaveen Gangadharan return true; 3153d0ff7383SNaveen Gangadharan } 3154d0ff7383SNaveen Gangadharan 3155d0ff7383SNaveen Gangadharan /* 3156d0ff7383SNaveen Gangadharan * This tx is because of a PsPoll. 3157d0ff7383SNaveen Gangadharan * Determine if MoreData bit has to be set. 3158d0ff7383SNaveen Gangadharan */ 3159d0ff7383SNaveen Gangadharan spin_lock_bh(&conn->psq_lock); 3160d0ff7383SNaveen Gangadharan if (!skb_queue_empty(&conn->psq) || (conn->mgmt_psq_len != 0)) 3161d0ff7383SNaveen Gangadharan *more_data = true; 3162d0ff7383SNaveen Gangadharan spin_unlock_bh(&conn->psq_lock); 3163d0ff7383SNaveen Gangadharan } 3164d0ff7383SNaveen Gangadharan 3165d0ff7383SNaveen Gangadharan return false; 3166d0ff7383SNaveen Gangadharan } 3167d0ff7383SNaveen Gangadharan 3168c86e4f44SAarthi Thiruvengadam /* Check if SSID length is greater than DIRECT- */ 3169c86e4f44SAarthi Thiruvengadam static bool ath6kl_is_p2p_go_ssid(const u8 *buf, size_t len) 3170c86e4f44SAarthi Thiruvengadam { 3171c86e4f44SAarthi Thiruvengadam const struct ieee80211_mgmt *mgmt; 3172c86e4f44SAarthi Thiruvengadam mgmt = (const struct ieee80211_mgmt *) buf; 3173c86e4f44SAarthi Thiruvengadam 3174c86e4f44SAarthi Thiruvengadam /* variable[1] contains the SSID tag length */ 3175c86e4f44SAarthi Thiruvengadam if (buf + len >= &mgmt->u.probe_resp.variable[1] && 3176c86e4f44SAarthi Thiruvengadam (mgmt->u.probe_resp.variable[1] > P2P_WILDCARD_SSID_LEN)) { 3177c86e4f44SAarthi Thiruvengadam return true; 3178c86e4f44SAarthi Thiruvengadam } 3179c86e4f44SAarthi Thiruvengadam 3180c86e4f44SAarthi Thiruvengadam return false; 3181c86e4f44SAarthi Thiruvengadam } 3182c86e4f44SAarthi Thiruvengadam 318371bbc994SJohannes Berg static int ath6kl_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, 3184b176e629SAndrei Otcheretianski struct cfg80211_mgmt_tx_params *params, u64 *cookie) 31858a6c8060SJouni Malinen { 318671bbc994SJohannes Berg struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev); 318771bbc994SJohannes Berg struct ath6kl *ar = ath6kl_priv(vif->ndev); 3188b176e629SAndrei Otcheretianski struct ieee80211_channel *chan = params->chan; 3189b176e629SAndrei Otcheretianski const u8 *buf = params->buf; 3190b176e629SAndrei Otcheretianski size_t len = params->len; 3191b176e629SAndrei Otcheretianski unsigned int wait = params->wait; 3192b176e629SAndrei Otcheretianski bool no_cck = params->no_cck; 3193bfd634d0SAntonio Quartulli u32 id, freq; 31948bdfbf40SJouni Malinen const struct ieee80211_mgmt *mgmt; 3195d0ff7383SNaveen Gangadharan bool more_data, queued; 31968bdfbf40SJouni Malinen 3197bfd634d0SAntonio Quartulli /* default to the current channel, but use the one specified as argument 3198bfd634d0SAntonio Quartulli * if any 3199bfd634d0SAntonio Quartulli */ 3200bfd634d0SAntonio Quartulli freq = vif->ch_hint; 3201bfd634d0SAntonio Quartulli if (chan) 3202bfd634d0SAntonio Quartulli freq = chan->center_freq; 3203bfd634d0SAntonio Quartulli 3204bfd634d0SAntonio Quartulli /* never send freq zero to the firmware */ 3205bfd634d0SAntonio Quartulli if (WARN_ON(freq == 0)) 3206bfd634d0SAntonio Quartulli return -EINVAL; 3207bfd634d0SAntonio Quartulli 32088bdfbf40SJouni Malinen mgmt = (const struct ieee80211_mgmt *) buf; 3209c86e4f44SAarthi Thiruvengadam if (vif->nw_type == AP_NETWORK && test_bit(CONNECTED, &vif->flags) && 3210c86e4f44SAarthi Thiruvengadam ieee80211_is_probe_resp(mgmt->frame_control) && 3211c86e4f44SAarthi Thiruvengadam ath6kl_is_p2p_go_ssid(buf, len)) { 32128bdfbf40SJouni Malinen /* 3213c86e4f44SAarthi Thiruvengadam * Send Probe Response frame in GO mode using a separate WMI 32148bdfbf40SJouni Malinen * command to allow the target to fill in the generic IEs. 32158bdfbf40SJouni Malinen */ 32168bdfbf40SJouni Malinen *cookie = 0; /* TX status not supported */ 3217bfd634d0SAntonio Quartulli return ath6kl_send_go_probe_resp(vif, buf, len, freq); 32188bdfbf40SJouni Malinen } 32198a6c8060SJouni Malinen 3220cf5333d7SVasanthakumar Thiagarajan id = vif->send_action_id++; 32218a6c8060SJouni Malinen if (id == 0) { 32228a6c8060SJouni Malinen /* 32238a6c8060SJouni Malinen * 0 is a reserved value in the WMI command and shall not be 32248a6c8060SJouni Malinen * used for the command. 32258a6c8060SJouni Malinen */ 3226cf5333d7SVasanthakumar Thiagarajan id = vif->send_action_id++; 32278a6c8060SJouni Malinen } 32288a6c8060SJouni Malinen 32298a6c8060SJouni Malinen *cookie = id; 32303ca9d1fcSAarthi Thiruvengadam 3231d0ff7383SNaveen Gangadharan /* AP mode Power saving processing */ 3232d0ff7383SNaveen Gangadharan if (vif->nw_type == AP_NETWORK) { 3233bfd634d0SAntonio Quartulli queued = ath6kl_mgmt_powersave_ap(vif, id, freq, wait, buf, len, 3234bfd634d0SAntonio Quartulli &more_data, no_cck); 3235d0ff7383SNaveen Gangadharan if (queued) 3236d0ff7383SNaveen Gangadharan return 0; 3237d0ff7383SNaveen Gangadharan } 3238d0ff7383SNaveen Gangadharan 3239bfd634d0SAntonio Quartulli return ath6kl_wmi_send_mgmt_cmd(ar->wmi, vif->fw_vif_idx, id, freq, 3240bfd634d0SAntonio Quartulli wait, buf, len, no_cck); 32413ca9d1fcSAarthi Thiruvengadam } 32428a6c8060SJouni Malinen 32439c2e90ffSBen Greear static int ath6kl_get_antenna(struct wiphy *wiphy, 32449c2e90ffSBen Greear u32 *tx_ant, u32 *rx_ant) 32459c2e90ffSBen Greear { 32469c2e90ffSBen Greear struct ath6kl *ar = wiphy_priv(wiphy); 32479c2e90ffSBen Greear *tx_ant = ar->hw.tx_ant; 32489c2e90ffSBen Greear *rx_ant = ar->hw.rx_ant; 32499c2e90ffSBen Greear return 0; 32509c2e90ffSBen Greear } 32519c2e90ffSBen Greear 3252ae32c30aSJouni Malinen static void ath6kl_mgmt_frame_register(struct wiphy *wiphy, 325371bbc994SJohannes Berg struct wireless_dev *wdev, 3254ae32c30aSJouni Malinen u16 frame_type, bool reg) 3255ae32c30aSJouni Malinen { 325671bbc994SJohannes Berg struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev); 3257ae32c30aSJouni Malinen 3258ae32c30aSJouni Malinen ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: frame_type=0x%x reg=%d\n", 3259ae32c30aSJouni Malinen __func__, frame_type, reg); 3260ae32c30aSJouni Malinen if (frame_type == IEEE80211_STYPE_PROBE_REQ) { 3261ae32c30aSJouni Malinen /* 3262ae32c30aSJouni Malinen * Note: This notification callback is not allowed to sleep, so 3263ae32c30aSJouni Malinen * we cannot send WMI_PROBE_REQ_REPORT_CMD here. Instead, we 3264ae32c30aSJouni Malinen * hardcode target to report Probe Request frames all the time. 3265ae32c30aSJouni Malinen */ 3266cf5333d7SVasanthakumar Thiagarajan vif->probe_req_report = reg; 3267ae32c30aSJouni Malinen } 3268ae32c30aSJouni Malinen } 3269ae32c30aSJouni Malinen 327010509f90SKalle Valo static int ath6kl_cfg80211_sscan_start(struct wiphy *wiphy, 327110509f90SKalle Valo struct net_device *dev, 327210509f90SKalle Valo struct cfg80211_sched_scan_request *request) 327310509f90SKalle Valo { 327410509f90SKalle Valo struct ath6kl *ar = ath6kl_priv(dev); 327510509f90SKalle Valo struct ath6kl_vif *vif = netdev_priv(dev); 327610509f90SKalle Valo u16 interval; 327785b20fc2SThomas Pedersen int ret, rssi_thold; 3278ea73cbceSJohannes Berg int n_match_sets = request->n_match_sets; 3279ea73cbceSJohannes Berg 3280ea73cbceSJohannes Berg /* 3281ea73cbceSJohannes Berg * If there's a matchset w/o an SSID, then assume it's just for 3282ea73cbceSJohannes Berg * the RSSI (nothing else is currently supported) and ignore it. 3283ea73cbceSJohannes Berg * The device only supports a global RSSI filter that we set below. 3284ea73cbceSJohannes Berg */ 3285ea73cbceSJohannes Berg if (n_match_sets == 1 && !request->match_sets[0].ssid.ssid_len) 3286ea73cbceSJohannes Berg n_match_sets = 0; 328710509f90SKalle Valo 328810509f90SKalle Valo if (ar->state != ATH6KL_STATE_ON) 328910509f90SKalle Valo return -EIO; 329010509f90SKalle Valo 329110509f90SKalle Valo if (vif->sme_state != SME_DISCONNECTED) 329210509f90SKalle Valo return -EBUSY; 329310509f90SKalle Valo 3294b4d13d3bSKalle Valo ath6kl_cfg80211_scan_complete_event(vif, true); 3295b4d13d3bSKalle Valo 32963b8ffc6aSJouni Malinen ret = ath6kl_set_probed_ssids(ar, vif, request->ssids, 3297dd45b759SNaveen Singh request->n_ssids, 3298dd45b759SNaveen Singh request->match_sets, 3299ea73cbceSJohannes Berg n_match_sets); 33003b8ffc6aSJouni Malinen if (ret < 0) 33013b8ffc6aSJouni Malinen return ret; 330210509f90SKalle Valo 3303ea73cbceSJohannes Berg if (!n_match_sets) { 3304dd45b759SNaveen Singh ret = ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx, 3305dd45b759SNaveen Singh ALL_BSS_FILTER, 0); 3306dd45b759SNaveen Singh if (ret < 0) 3307dd45b759SNaveen Singh return ret; 3308dd45b759SNaveen Singh } else { 3309dd45b759SNaveen Singh ret = ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx, 3310dd45b759SNaveen Singh MATCHED_SSID_FILTER, 0); 3311dd45b759SNaveen Singh if (ret < 0) 3312dd45b759SNaveen Singh return ret; 3313dd45b759SNaveen Singh } 3314dd45b759SNaveen Singh 331585b20fc2SThomas Pedersen if (test_bit(ATH6KL_FW_CAPABILITY_RSSI_SCAN_THOLD, 331685b20fc2SThomas Pedersen ar->fw_capabilities)) { 3317ea73cbceSJohannes Berg if (request->min_rssi_thold <= NL80211_SCAN_RSSI_THOLD_OFF) 331885b20fc2SThomas Pedersen rssi_thold = 0; 3319ea73cbceSJohannes Berg else if (request->min_rssi_thold < -127) 332085b20fc2SThomas Pedersen rssi_thold = -127; 332185b20fc2SThomas Pedersen else 3322ea73cbceSJohannes Berg rssi_thold = request->min_rssi_thold; 332385b20fc2SThomas Pedersen 332485b20fc2SThomas Pedersen ret = ath6kl_wmi_set_rssi_filter_cmd(ar->wmi, vif->fw_vif_idx, 332585b20fc2SThomas Pedersen rssi_thold); 332685b20fc2SThomas Pedersen if (ret) { 332785b20fc2SThomas Pedersen ath6kl_err("failed to set RSSI threshold for scan\n"); 332885b20fc2SThomas Pedersen return ret; 332985b20fc2SThomas Pedersen } 333085b20fc2SThomas Pedersen } 333185b20fc2SThomas Pedersen 333210509f90SKalle Valo /* fw uses seconds, also make sure that it's >0 */ 33333b06d277SAvraham Stern interval = max_t(u16, 1, request->scan_plans[0].interval); 333410509f90SKalle Valo 333510509f90SKalle Valo ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx, 333610509f90SKalle Valo interval, interval, 3337d472b5e4SSubramania Sharma Thandaveswaran vif->bg_scan_period, 0, 0, 0, 3, 0, 0, 0); 333810509f90SKalle Valo 333910509f90SKalle Valo /* this also clears IE in fw if it's not set */ 334010509f90SKalle Valo ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx, 334110509f90SKalle Valo WMI_FRAME_PROBE_REQ, 334210509f90SKalle Valo request->ie, request->ie_len); 334310509f90SKalle Valo if (ret) { 3344f1ff32e8SJoe Perches ath6kl_warn("Failed to set probe request IE for scheduled scan: %d\n", 334510509f90SKalle Valo ret); 334610509f90SKalle Valo return ret; 334710509f90SKalle Valo } 334810509f90SKalle Valo 3349b1f47e3aSThomas Pedersen ret = ath6kl_wmi_enable_sched_scan_cmd(ar->wmi, vif->fw_vif_idx, true); 3350b1f47e3aSThomas Pedersen if (ret) 335110509f90SKalle Valo return ret; 335210509f90SKalle Valo 3353b1f47e3aSThomas Pedersen set_bit(SCHED_SCANNING, &vif->flags); 335410509f90SKalle Valo 3355b1f47e3aSThomas Pedersen return 0; 335610509f90SKalle Valo } 335710509f90SKalle Valo 335810509f90SKalle Valo static int ath6kl_cfg80211_sscan_stop(struct wiphy *wiphy, 335910509f90SKalle Valo struct net_device *dev) 336010509f90SKalle Valo { 336110509f90SKalle Valo struct ath6kl_vif *vif = netdev_priv(dev); 336210509f90SKalle Valo bool stopped; 336310509f90SKalle Valo 336410509f90SKalle Valo stopped = __ath6kl_cfg80211_sscan_stop(vif); 336510509f90SKalle Valo 336610509f90SKalle Valo if (!stopped) 336710509f90SKalle Valo return -EIO; 336810509f90SKalle Valo 336910509f90SKalle Valo return 0; 337010509f90SKalle Valo } 337110509f90SKalle Valo 337206e360acSBala Shanmugam static int ath6kl_cfg80211_set_bitrate(struct wiphy *wiphy, 337306e360acSBala Shanmugam struct net_device *dev, 337406e360acSBala Shanmugam const u8 *addr, 337506e360acSBala Shanmugam const struct cfg80211_bitrate_mask *mask) 337606e360acSBala Shanmugam { 337706e360acSBala Shanmugam struct ath6kl *ar = ath6kl_priv(dev); 337806e360acSBala Shanmugam struct ath6kl_vif *vif = netdev_priv(dev); 337906e360acSBala Shanmugam 338006e360acSBala Shanmugam return ath6kl_wmi_set_bitrate_mask(ar->wmi, vif->fw_vif_idx, 338106e360acSBala Shanmugam mask); 338206e360acSBala Shanmugam } 338306e360acSBala Shanmugam 3384279b2862SThomas Pedersen static int ath6kl_cfg80211_set_txe_config(struct wiphy *wiphy, 3385279b2862SThomas Pedersen struct net_device *dev, 3386279b2862SThomas Pedersen u32 rate, u32 pkts, u32 intvl) 3387279b2862SThomas Pedersen { 3388279b2862SThomas Pedersen struct ath6kl *ar = ath6kl_priv(dev); 3389279b2862SThomas Pedersen struct ath6kl_vif *vif = netdev_priv(dev); 3390279b2862SThomas Pedersen 3391279b2862SThomas Pedersen if (vif->nw_type != INFRA_NETWORK || 3392279b2862SThomas Pedersen !test_bit(ATH6KL_FW_CAPABILITY_TX_ERR_NOTIFY, ar->fw_capabilities)) 3393279b2862SThomas Pedersen return -EOPNOTSUPP; 3394279b2862SThomas Pedersen 3395279b2862SThomas Pedersen if (vif->sme_state != SME_CONNECTED) 3396279b2862SThomas Pedersen return -ENOTCONN; 3397279b2862SThomas Pedersen 3398279b2862SThomas Pedersen /* save this since the firmware won't report the interval */ 3399279b2862SThomas Pedersen vif->txe_intvl = intvl; 3400279b2862SThomas Pedersen 3401279b2862SThomas Pedersen return ath6kl_wmi_set_txe_notify(ar->wmi, vif->fw_vif_idx, 3402279b2862SThomas Pedersen rate, pkts, intvl); 3403279b2862SThomas Pedersen } 3404279b2862SThomas Pedersen 3405f80574aeSJouni Malinen static const struct ieee80211_txrx_stypes 3406f80574aeSJouni Malinen ath6kl_mgmt_stypes[NUM_NL80211_IFTYPES] = { 3407f80574aeSJouni Malinen [NL80211_IFTYPE_STATION] = { 3408f80574aeSJouni Malinen .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3409f80574aeSJouni Malinen BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 3410f80574aeSJouni Malinen .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3411f80574aeSJouni Malinen BIT(IEEE80211_STYPE_PROBE_REQ >> 4) 3412f80574aeSJouni Malinen }, 3413ba1f6fe3SJouni Malinen [NL80211_IFTYPE_AP] = { 3414ba1f6fe3SJouni Malinen .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3415ba1f6fe3SJouni Malinen BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 3416ba1f6fe3SJouni Malinen .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3417ba1f6fe3SJouni Malinen BIT(IEEE80211_STYPE_PROBE_REQ >> 4) 3418ba1f6fe3SJouni Malinen }, 3419f80574aeSJouni Malinen [NL80211_IFTYPE_P2P_CLIENT] = { 3420f80574aeSJouni Malinen .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3421f80574aeSJouni Malinen BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 3422f80574aeSJouni Malinen .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3423f80574aeSJouni Malinen BIT(IEEE80211_STYPE_PROBE_REQ >> 4) 3424f80574aeSJouni Malinen }, 3425f80574aeSJouni Malinen [NL80211_IFTYPE_P2P_GO] = { 3426f80574aeSJouni Malinen .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3427f80574aeSJouni Malinen BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 3428f80574aeSJouni Malinen .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3429f80574aeSJouni Malinen BIT(IEEE80211_STYPE_PROBE_REQ >> 4) 3430f80574aeSJouni Malinen }, 3431f80574aeSJouni Malinen }; 3432f80574aeSJouni Malinen 3433bdcd8170SKalle Valo static struct cfg80211_ops ath6kl_cfg80211_ops = { 343455055976SVasanthakumar Thiagarajan .add_virtual_intf = ath6kl_cfg80211_add_iface, 343555055976SVasanthakumar Thiagarajan .del_virtual_intf = ath6kl_cfg80211_del_iface, 3436bdcd8170SKalle Valo .change_virtual_intf = ath6kl_cfg80211_change_iface, 3437bdcd8170SKalle Valo .scan = ath6kl_cfg80211_scan, 3438bdcd8170SKalle Valo .connect = ath6kl_cfg80211_connect, 3439bdcd8170SKalle Valo .disconnect = ath6kl_cfg80211_disconnect, 3440bdcd8170SKalle Valo .add_key = ath6kl_cfg80211_add_key, 3441bdcd8170SKalle Valo .get_key = ath6kl_cfg80211_get_key, 3442bdcd8170SKalle Valo .del_key = ath6kl_cfg80211_del_key, 3443bdcd8170SKalle Valo .set_default_key = ath6kl_cfg80211_set_default_key, 3444bdcd8170SKalle Valo .set_wiphy_params = ath6kl_cfg80211_set_wiphy_params, 3445bdcd8170SKalle Valo .set_tx_power = ath6kl_cfg80211_set_txpower, 3446bdcd8170SKalle Valo .get_tx_power = ath6kl_cfg80211_get_txpower, 3447bdcd8170SKalle Valo .set_power_mgmt = ath6kl_cfg80211_set_power_mgmt, 3448bdcd8170SKalle Valo .join_ibss = ath6kl_cfg80211_join_ibss, 3449bdcd8170SKalle Valo .leave_ibss = ath6kl_cfg80211_leave_ibss, 3450bdcd8170SKalle Valo .get_station = ath6kl_get_station, 3451bdcd8170SKalle Valo .set_pmksa = ath6kl_set_pmksa, 3452bdcd8170SKalle Valo .del_pmksa = ath6kl_del_pmksa, 3453bdcd8170SKalle Valo .flush_pmksa = ath6kl_flush_pmksa, 3454003353b0SKalle Valo CFG80211_TESTMODE_CMD(ath6kl_tm_cmd) 3455abcb344bSKalle Valo #ifdef CONFIG_PM 345652d81a68SKalle Valo .suspend = __ath6kl_cfg80211_suspend, 345752d81a68SKalle Valo .resume = __ath6kl_cfg80211_resume, 3458abcb344bSKalle Valo #endif 34598860020eSJohannes Berg .start_ap = ath6kl_start_ap, 34608860020eSJohannes Berg .change_beacon = ath6kl_change_beacon, 34618860020eSJohannes Berg .stop_ap = ath6kl_stop_ap, 346233e5308dSJouni Malinen .del_station = ath6kl_del_station, 346323875136SJouni Malinen .change_station = ath6kl_change_station, 346463fa1e0cSJouni Malinen .remain_on_channel = ath6kl_remain_on_channel, 346563fa1e0cSJouni Malinen .cancel_remain_on_channel = ath6kl_cancel_remain_on_channel, 34668a6c8060SJouni Malinen .mgmt_tx = ath6kl_mgmt_tx, 3467ae32c30aSJouni Malinen .mgmt_frame_register = ath6kl_mgmt_frame_register, 34689c2e90ffSBen Greear .get_antenna = ath6kl_get_antenna, 346910509f90SKalle Valo .sched_scan_start = ath6kl_cfg80211_sscan_start, 347010509f90SKalle Valo .sched_scan_stop = ath6kl_cfg80211_sscan_stop, 347106e360acSBala Shanmugam .set_bitrate_mask = ath6kl_cfg80211_set_bitrate, 3472279b2862SThomas Pedersen .set_cqm_txe_config = ath6kl_cfg80211_set_txe_config, 3473bdcd8170SKalle Valo }; 3474bdcd8170SKalle Valo 34757125f01dSKalle Valo void ath6kl_cfg80211_stop(struct ath6kl_vif *vif) 3476ec4b7f60SKalle Valo { 347710509f90SKalle Valo ath6kl_cfg80211_sscan_disable(vif); 347810509f90SKalle Valo 3479ec4b7f60SKalle Valo switch (vif->sme_state) { 3480c97a31b0SKalle Valo case SME_DISCONNECTED: 3481c97a31b0SKalle Valo break; 3482ec4b7f60SKalle Valo case SME_CONNECTING: 3483ec4b7f60SKalle Valo cfg80211_connect_result(vif->ndev, vif->bssid, NULL, 0, 3484ec4b7f60SKalle Valo NULL, 0, 3485ec4b7f60SKalle Valo WLAN_STATUS_UNSPECIFIED_FAILURE, 3486ec4b7f60SKalle Valo GFP_KERNEL); 3487ec4b7f60SKalle Valo break; 3488ec4b7f60SKalle Valo case SME_CONNECTED: 348980279fb7SJohannes Berg cfg80211_disconnected(vif->ndev, 0, NULL, 0, true, GFP_KERNEL); 3490ec4b7f60SKalle Valo break; 3491ec4b7f60SKalle Valo } 3492ec4b7f60SKalle Valo 349358109df6SVasanthakumar Thiagarajan if (vif->ar->state != ATH6KL_STATE_RECOVERY && 349458109df6SVasanthakumar Thiagarajan (test_bit(CONNECTED, &vif->flags) || 349558109df6SVasanthakumar Thiagarajan test_bit(CONNECT_PEND, &vif->flags))) 34967125f01dSKalle Valo ath6kl_wmi_disconnect_cmd(vif->ar->wmi, vif->fw_vif_idx); 3497ec4b7f60SKalle Valo 3498ec4b7f60SKalle Valo vif->sme_state = SME_DISCONNECTED; 34991f405255SKalle Valo clear_bit(CONNECTED, &vif->flags); 35001f405255SKalle Valo clear_bit(CONNECT_PEND, &vif->flags); 3501ec4b7f60SKalle Valo 350284caf800SVasanthakumar Thiagarajan /* Stop netdev queues, needed during recovery */ 350384caf800SVasanthakumar Thiagarajan netif_stop_queue(vif->ndev); 350484caf800SVasanthakumar Thiagarajan netif_carrier_off(vif->ndev); 350584caf800SVasanthakumar Thiagarajan 3506ec4b7f60SKalle Valo /* disable scanning */ 350758109df6SVasanthakumar Thiagarajan if (vif->ar->state != ATH6KL_STATE_RECOVERY && 350858109df6SVasanthakumar Thiagarajan ath6kl_wmi_scanparams_cmd(vif->ar->wmi, vif->fw_vif_idx, 0xFFFF, 35097125f01dSKalle Valo 0, 0, 0, 0, 0, 0, 0, 0, 0) != 0) 35107125f01dSKalle Valo ath6kl_warn("failed to disable scan during stop\n"); 3511ec4b7f60SKalle Valo 3512ec4b7f60SKalle Valo ath6kl_cfg80211_scan_complete_event(vif, true); 3513ec4b7f60SKalle Valo } 3514ec4b7f60SKalle Valo 35157125f01dSKalle Valo void ath6kl_cfg80211_stop_all(struct ath6kl *ar) 35167125f01dSKalle Valo { 35177125f01dSKalle Valo struct ath6kl_vif *vif; 35187125f01dSKalle Valo 35197125f01dSKalle Valo vif = ath6kl_vif_first(ar); 352084caf800SVasanthakumar Thiagarajan if (!vif && ar->state != ATH6KL_STATE_RECOVERY) { 35217125f01dSKalle Valo /* save the current power mode before enabling power save */ 35227125f01dSKalle Valo ar->wmi->saved_pwr_mode = ar->wmi->pwr_mode; 35237125f01dSKalle Valo 35247125f01dSKalle Valo if (ath6kl_wmi_powermode_cmd(ar->wmi, 0, REC_POWER) != 0) 3525cdeb8602SKalle Valo ath6kl_warn("ath6kl_deep_sleep_enable: wmi_powermode_cmd failed\n"); 35267125f01dSKalle Valo return; 35277125f01dSKalle Valo } 35287125f01dSKalle Valo 35297125f01dSKalle Valo /* 35307125f01dSKalle Valo * FIXME: we should take ar->list_lock to protect changes in the 35317125f01dSKalle Valo * vif_list, but that's not trivial to do as ath6kl_cfg80211_stop() 35327125f01dSKalle Valo * sleeps. 35337125f01dSKalle Valo */ 35347125f01dSKalle Valo list_for_each_entry(vif, &ar->vif_list, list) 35357125f01dSKalle Valo ath6kl_cfg80211_stop(vif); 35367125f01dSKalle Valo } 35377125f01dSKalle Valo 35380c0280bdSLuis R. Rodriguez static void ath6kl_cfg80211_reg_notify(struct wiphy *wiphy, 353984841ba2SKalle Valo struct regulatory_request *request) 354084841ba2SKalle Valo { 354184841ba2SKalle Valo struct ath6kl *ar = wiphy_priv(wiphy); 354257fbcce3SJohannes Berg u32 rates[NUM_NL80211_BANDS]; 354384841ba2SKalle Valo int ret, i; 354484841ba2SKalle Valo 354584841ba2SKalle Valo ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, 3546ff7e6867SKalle Valo "cfg reg_notify %c%c%s%s initiator %d hint_type %d\n", 354784841ba2SKalle Valo request->alpha2[0], request->alpha2[1], 354884841ba2SKalle Valo request->intersect ? " intersect" : "", 354984841ba2SKalle Valo request->processed ? " processed" : "", 3550ff7e6867SKalle Valo request->initiator, request->user_reg_hint_type); 3551ff7e6867SKalle Valo 3552ff7e6867SKalle Valo if (request->user_reg_hint_type != NL80211_USER_REG_HINT_CELL_BASE) 35530c0280bdSLuis R. Rodriguez return; 355484841ba2SKalle Valo 355584841ba2SKalle Valo ret = ath6kl_wmi_set_regdomain_cmd(ar->wmi, request->alpha2); 355684841ba2SKalle Valo if (ret) { 355784841ba2SKalle Valo ath6kl_err("failed to set regdomain: %d\n", ret); 35580c0280bdSLuis R. Rodriguez return; 355984841ba2SKalle Valo } 356084841ba2SKalle Valo 356184841ba2SKalle Valo /* 356284841ba2SKalle Valo * Firmware will apply the regdomain change only after a scan is 356384841ba2SKalle Valo * issued and it will send a WMI_REGDOMAIN_EVENTID when it has been 356484841ba2SKalle Valo * changed. 356584841ba2SKalle Valo */ 356684841ba2SKalle Valo 356757fbcce3SJohannes Berg for (i = 0; i < NUM_NL80211_BANDS; i++) 356884841ba2SKalle Valo if (wiphy->bands[i]) 356984841ba2SKalle Valo rates[i] = (1 << wiphy->bands[i]->n_bitrates) - 1; 357084841ba2SKalle Valo 357184841ba2SKalle Valo 357284841ba2SKalle Valo ret = ath6kl_wmi_beginscan_cmd(ar->wmi, 0, WMI_LONG_SCAN, false, 357384841ba2SKalle Valo false, 0, ATH6KL_FG_SCAN_INTERVAL, 357484841ba2SKalle Valo 0, NULL, false, rates); 357584841ba2SKalle Valo if (ret) { 357684841ba2SKalle Valo ath6kl_err("failed to start scan for a regdomain change: %d\n", 357784841ba2SKalle Valo ret); 35780c0280bdSLuis R. Rodriguez return; 357984841ba2SKalle Valo } 358084841ba2SKalle Valo } 358184841ba2SKalle Valo 3582c25889e8SKalle Valo static int ath6kl_cfg80211_vif_init(struct ath6kl_vif *vif) 35838dafb70eSVasanthakumar Thiagarajan { 35847baef812SVasanthakumar Thiagarajan vif->aggr_cntxt = aggr_init(vif); 35852132c69cSVasanthakumar Thiagarajan if (!vif->aggr_cntxt) { 35868dafb70eSVasanthakumar Thiagarajan ath6kl_err("failed to initialize aggr\n"); 35878dafb70eSVasanthakumar Thiagarajan return -ENOMEM; 35888dafb70eSVasanthakumar Thiagarajan } 35898dafb70eSVasanthakumar Thiagarajan 3590de3ad713SVasanthakumar Thiagarajan setup_timer(&vif->disconnect_timer, disconnect_timer_handler, 3591108438bcSVasanthakumar Thiagarajan (unsigned long) vif->ndev); 359210509f90SKalle Valo setup_timer(&vif->sched_scan_timer, ath6kl_wmi_sscan_timer, 359310509f90SKalle Valo (unsigned long) vif); 359410509f90SKalle Valo 3595de3ad713SVasanthakumar Thiagarajan set_bit(WMM_ENABLED, &vif->flags); 3596478ac027SVasanthakumar Thiagarajan spin_lock_init(&vif->if_lock); 35978dafb70eSVasanthakumar Thiagarajan 359880abaf9bSVasanthakumar Thiagarajan INIT_LIST_HEAD(&vif->mc_filter); 359980abaf9bSVasanthakumar Thiagarajan 36008dafb70eSVasanthakumar Thiagarajan return 0; 36018dafb70eSVasanthakumar Thiagarajan } 36028dafb70eSVasanthakumar Thiagarajan 3603355b3a98SMohammed Shafi Shajakhan void ath6kl_cfg80211_vif_stop(struct ath6kl_vif *vif, bool wmi_ready) 3604355b3a98SMohammed Shafi Shajakhan { 3605355b3a98SMohammed Shafi Shajakhan static u8 bcast_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; 3606355b3a98SMohammed Shafi Shajakhan bool discon_issued; 3607355b3a98SMohammed Shafi Shajakhan 3608355b3a98SMohammed Shafi Shajakhan netif_stop_queue(vif->ndev); 3609355b3a98SMohammed Shafi Shajakhan 3610355b3a98SMohammed Shafi Shajakhan clear_bit(WLAN_ENABLED, &vif->flags); 3611355b3a98SMohammed Shafi Shajakhan 3612355b3a98SMohammed Shafi Shajakhan if (wmi_ready) { 3613355b3a98SMohammed Shafi Shajakhan discon_issued = test_bit(CONNECTED, &vif->flags) || 3614355b3a98SMohammed Shafi Shajakhan test_bit(CONNECT_PEND, &vif->flags); 3615355b3a98SMohammed Shafi Shajakhan ath6kl_disconnect(vif); 3616355b3a98SMohammed Shafi Shajakhan del_timer(&vif->disconnect_timer); 3617355b3a98SMohammed Shafi Shajakhan 3618355b3a98SMohammed Shafi Shajakhan if (discon_issued) 3619355b3a98SMohammed Shafi Shajakhan ath6kl_disconnect_event(vif, DISCONNECT_CMD, 3620355b3a98SMohammed Shafi Shajakhan (vif->nw_type & AP_NETWORK) ? 3621355b3a98SMohammed Shafi Shajakhan bcast_mac : vif->bssid, 3622355b3a98SMohammed Shafi Shajakhan 0, NULL, 0); 3623355b3a98SMohammed Shafi Shajakhan } 3624355b3a98SMohammed Shafi Shajakhan 3625355b3a98SMohammed Shafi Shajakhan if (vif->scan_req) { 36261d76250bSAvraham Stern struct cfg80211_scan_info info = { 36271d76250bSAvraham Stern .aborted = true, 36281d76250bSAvraham Stern }; 36291d76250bSAvraham Stern 36301d76250bSAvraham Stern cfg80211_scan_done(vif->scan_req, &info); 3631355b3a98SMohammed Shafi Shajakhan vif->scan_req = NULL; 3632355b3a98SMohammed Shafi Shajakhan } 3633355b3a98SMohammed Shafi Shajakhan 3634355b3a98SMohammed Shafi Shajakhan /* need to clean up enhanced bmiss detection fw state */ 3635355b3a98SMohammed Shafi Shajakhan ath6kl_cfg80211_sta_bmiss_enhance(vif, false); 3636355b3a98SMohammed Shafi Shajakhan } 3637355b3a98SMohammed Shafi Shajakhan 3638c25889e8SKalle Valo void ath6kl_cfg80211_vif_cleanup(struct ath6kl_vif *vif) 36398dafb70eSVasanthakumar Thiagarajan { 364055055976SVasanthakumar Thiagarajan struct ath6kl *ar = vif->ar; 364180abaf9bSVasanthakumar Thiagarajan struct ath6kl_mc_filter *mc_filter, *tmp; 364255055976SVasanthakumar Thiagarajan 36432132c69cSVasanthakumar Thiagarajan aggr_module_destroy(vif->aggr_cntxt); 3644108438bcSVasanthakumar Thiagarajan 364555055976SVasanthakumar Thiagarajan ar->avail_idx_map |= BIT(vif->fw_vif_idx); 364655055976SVasanthakumar Thiagarajan 364755055976SVasanthakumar Thiagarajan if (vif->nw_type == ADHOC_NETWORK) 364855055976SVasanthakumar Thiagarajan ar->ibss_if_active = false; 364955055976SVasanthakumar Thiagarajan 365080abaf9bSVasanthakumar Thiagarajan list_for_each_entry_safe(mc_filter, tmp, &vif->mc_filter, list) { 365180abaf9bSVasanthakumar Thiagarajan list_del(&mc_filter->list); 365280abaf9bSVasanthakumar Thiagarajan kfree(mc_filter); 365380abaf9bSVasanthakumar Thiagarajan } 365480abaf9bSVasanthakumar Thiagarajan 365527929723SVasanthakumar Thiagarajan unregister_netdevice(vif->ndev); 365655055976SVasanthakumar Thiagarajan 365755055976SVasanthakumar Thiagarajan ar->num_vif--; 36588dafb70eSVasanthakumar Thiagarajan } 36598dafb70eSVasanthakumar Thiagarajan 366013eff531SBen Greear static const char ath6kl_gstrings_sta_stats[][ETH_GSTRING_LEN] = { 366113eff531SBen Greear /* Common stats names used by many drivers. */ 366213eff531SBen Greear "tx_pkts_nic", "tx_bytes_nic", "rx_pkts_nic", "rx_bytes_nic", 366313eff531SBen Greear 366413eff531SBen Greear /* TX stats. */ 366513eff531SBen Greear "d_tx_ucast_pkts", "d_tx_bcast_pkts", 366613eff531SBen Greear "d_tx_ucast_bytes", "d_tx_bcast_bytes", 366713eff531SBen Greear "d_tx_rts_ok", "d_tx_error", "d_tx_fail", 366813eff531SBen Greear "d_tx_retry", "d_tx_multi_retry", "d_tx_rts_fail", 366913eff531SBen Greear "d_tx_tkip_counter_measures", 367013eff531SBen Greear 367113eff531SBen Greear /* RX Stats. */ 367213eff531SBen Greear "d_rx_ucast_pkts", "d_rx_ucast_rate", "d_rx_bcast_pkts", 367313eff531SBen Greear "d_rx_ucast_bytes", "d_rx_bcast_bytes", "d_rx_frag_pkt", 367413eff531SBen Greear "d_rx_error", "d_rx_crc_err", "d_rx_keycache_miss", 367513eff531SBen Greear "d_rx_decrypt_crc_err", "d_rx_duplicate_frames", 367613eff531SBen Greear "d_rx_mic_err", "d_rx_tkip_format_err", "d_rx_ccmp_format_err", 367713eff531SBen Greear "d_rx_ccmp_replay_err", 367813eff531SBen Greear 367913eff531SBen Greear /* Misc stats. */ 368013eff531SBen Greear "d_beacon_miss", "d_num_connects", "d_num_disconnects", 368113eff531SBen Greear "d_beacon_avg_rssi", "d_arp_received", "d_arp_matched", 368213eff531SBen Greear "d_arp_replied" 368313eff531SBen Greear }; 368413eff531SBen Greear 368513eff531SBen Greear #define ATH6KL_STATS_LEN ARRAY_SIZE(ath6kl_gstrings_sta_stats) 368613eff531SBen Greear 368713eff531SBen Greear static int ath6kl_get_sset_count(struct net_device *dev, int sset) 368813eff531SBen Greear { 368913eff531SBen Greear int rv = 0; 369013eff531SBen Greear 369113eff531SBen Greear if (sset == ETH_SS_STATS) 369213eff531SBen Greear rv += ATH6KL_STATS_LEN; 369313eff531SBen Greear 369413eff531SBen Greear if (rv == 0) 369513eff531SBen Greear return -EOPNOTSUPP; 369613eff531SBen Greear return rv; 369713eff531SBen Greear } 369813eff531SBen Greear 369913eff531SBen Greear static void ath6kl_get_stats(struct net_device *dev, 370013eff531SBen Greear struct ethtool_stats *stats, 370113eff531SBen Greear u64 *data) 370213eff531SBen Greear { 370313eff531SBen Greear struct ath6kl_vif *vif = netdev_priv(dev); 370413eff531SBen Greear struct ath6kl *ar = vif->ar; 370513eff531SBen Greear int i = 0; 370613eff531SBen Greear struct target_stats *tgt_stats; 370713eff531SBen Greear 370813eff531SBen Greear memset(data, 0, sizeof(u64) * ATH6KL_STATS_LEN); 370913eff531SBen Greear 371013eff531SBen Greear ath6kl_read_tgt_stats(ar, vif); 371113eff531SBen Greear 371213eff531SBen Greear tgt_stats = &vif->target_stats; 371313eff531SBen Greear 371413eff531SBen Greear data[i++] = tgt_stats->tx_ucast_pkt + tgt_stats->tx_bcast_pkt; 371513eff531SBen Greear data[i++] = tgt_stats->tx_ucast_byte + tgt_stats->tx_bcast_byte; 371613eff531SBen Greear data[i++] = tgt_stats->rx_ucast_pkt + tgt_stats->rx_bcast_pkt; 371713eff531SBen Greear data[i++] = tgt_stats->rx_ucast_byte + tgt_stats->rx_bcast_byte; 371813eff531SBen Greear 371913eff531SBen Greear data[i++] = tgt_stats->tx_ucast_pkt; 372013eff531SBen Greear data[i++] = tgt_stats->tx_bcast_pkt; 372113eff531SBen Greear data[i++] = tgt_stats->tx_ucast_byte; 372213eff531SBen Greear data[i++] = tgt_stats->tx_bcast_byte; 372313eff531SBen Greear data[i++] = tgt_stats->tx_rts_success_cnt; 372413eff531SBen Greear data[i++] = tgt_stats->tx_err; 372513eff531SBen Greear data[i++] = tgt_stats->tx_fail_cnt; 372613eff531SBen Greear data[i++] = tgt_stats->tx_retry_cnt; 372713eff531SBen Greear data[i++] = tgt_stats->tx_mult_retry_cnt; 372813eff531SBen Greear data[i++] = tgt_stats->tx_rts_fail_cnt; 372913eff531SBen Greear data[i++] = tgt_stats->tkip_cnter_measures_invoked; 373013eff531SBen Greear 373113eff531SBen Greear data[i++] = tgt_stats->rx_ucast_pkt; 373213eff531SBen Greear data[i++] = tgt_stats->rx_ucast_rate; 373313eff531SBen Greear data[i++] = tgt_stats->rx_bcast_pkt; 373413eff531SBen Greear data[i++] = tgt_stats->rx_ucast_byte; 373513eff531SBen Greear data[i++] = tgt_stats->rx_bcast_byte; 373613eff531SBen Greear data[i++] = tgt_stats->rx_frgment_pkt; 373713eff531SBen Greear data[i++] = tgt_stats->rx_err; 373813eff531SBen Greear data[i++] = tgt_stats->rx_crc_err; 373913eff531SBen Greear data[i++] = tgt_stats->rx_key_cache_miss; 374013eff531SBen Greear data[i++] = tgt_stats->rx_decrypt_err; 374113eff531SBen Greear data[i++] = tgt_stats->rx_dupl_frame; 374213eff531SBen Greear data[i++] = tgt_stats->tkip_local_mic_fail; 374313eff531SBen Greear data[i++] = tgt_stats->tkip_fmt_err; 374413eff531SBen Greear data[i++] = tgt_stats->ccmp_fmt_err; 374513eff531SBen Greear data[i++] = tgt_stats->ccmp_replays; 374613eff531SBen Greear 374713eff531SBen Greear data[i++] = tgt_stats->cs_bmiss_cnt; 374813eff531SBen Greear data[i++] = tgt_stats->cs_connect_cnt; 374913eff531SBen Greear data[i++] = tgt_stats->cs_discon_cnt; 375013eff531SBen Greear data[i++] = tgt_stats->cs_ave_beacon_rssi; 375113eff531SBen Greear data[i++] = tgt_stats->arp_received; 375213eff531SBen Greear data[i++] = tgt_stats->arp_matched; 375313eff531SBen Greear data[i++] = tgt_stats->arp_replied; 375413eff531SBen Greear 375513eff531SBen Greear if (i != ATH6KL_STATS_LEN) { 375613eff531SBen Greear WARN_ON_ONCE(1); 375713eff531SBen Greear ath6kl_err("ethtool stats error, i: %d STATS_LEN: %d\n", 375813eff531SBen Greear i, (int)ATH6KL_STATS_LEN); 375913eff531SBen Greear } 376013eff531SBen Greear } 376113eff531SBen Greear 376213eff531SBen Greear /* These stats are per NIC, not really per vdev, so we just ignore dev. */ 376313eff531SBen Greear static void ath6kl_get_strings(struct net_device *dev, u32 sset, u8 *data) 376413eff531SBen Greear { 376513eff531SBen Greear int sz_sta_stats = 0; 376613eff531SBen Greear 376713eff531SBen Greear if (sset == ETH_SS_STATS) { 376813eff531SBen Greear sz_sta_stats = sizeof(ath6kl_gstrings_sta_stats); 376913eff531SBen Greear memcpy(data, ath6kl_gstrings_sta_stats, sz_sta_stats); 377013eff531SBen Greear } 377113eff531SBen Greear } 377213eff531SBen Greear 377313eff531SBen Greear static const struct ethtool_ops ath6kl_ethtool_ops = { 377413eff531SBen Greear .get_drvinfo = cfg80211_get_drvinfo, 377513eff531SBen Greear .get_link = ethtool_op_get_link, 377613eff531SBen Greear .get_strings = ath6kl_get_strings, 377713eff531SBen Greear .get_ethtool_stats = ath6kl_get_stats, 377813eff531SBen Greear .get_sset_count = ath6kl_get_sset_count, 377913eff531SBen Greear }; 378013eff531SBen Greear 3781552bff0cSJohannes Berg struct wireless_dev *ath6kl_interface_add(struct ath6kl *ar, const char *name, 37826bab2e19STom Gundersen unsigned char name_assign_type, 378384efbb84SJohannes Berg enum nl80211_iftype type, 378484efbb84SJohannes Berg u8 fw_vif_idx, u8 nw_type) 37858dafb70eSVasanthakumar Thiagarajan { 37868dafb70eSVasanthakumar Thiagarajan struct net_device *ndev; 3787108438bcSVasanthakumar Thiagarajan struct ath6kl_vif *vif; 37888dafb70eSVasanthakumar Thiagarajan 37896bab2e19STom Gundersen ndev = alloc_netdev(sizeof(*vif), name, name_assign_type, ether_setup); 37908dafb70eSVasanthakumar Thiagarajan if (!ndev) 37918dafb70eSVasanthakumar Thiagarajan return NULL; 37928dafb70eSVasanthakumar Thiagarajan 3793108438bcSVasanthakumar Thiagarajan vif = netdev_priv(ndev); 3794108438bcSVasanthakumar Thiagarajan ndev->ieee80211_ptr = &vif->wdev; 3795108438bcSVasanthakumar Thiagarajan vif->wdev.wiphy = ar->wiphy; 3796108438bcSVasanthakumar Thiagarajan vif->ar = ar; 3797108438bcSVasanthakumar Thiagarajan vif->ndev = ndev; 3798108438bcSVasanthakumar Thiagarajan SET_NETDEV_DEV(ndev, wiphy_dev(vif->wdev.wiphy)); 3799108438bcSVasanthakumar Thiagarajan vif->wdev.netdev = ndev; 3800108438bcSVasanthakumar Thiagarajan vif->wdev.iftype = type; 3801334234b5SVasanthakumar Thiagarajan vif->fw_vif_idx = fw_vif_idx; 3802d0d670abSKalle Valo vif->nw_type = nw_type; 3803d0d670abSKalle Valo vif->next_mode = nw_type; 38048f46fccdSRaja Mani vif->listen_intvl_t = ATH6KL_DEFAULT_LISTEN_INTVAL; 3805ce0dc0cfSRaja Mani vif->bmiss_time_t = ATH6KL_DEFAULT_BMISS_TIME; 3806eb38987eSRaja Mani vif->bg_scan_period = 0; 380757fbcce3SJohannes Berg vif->htcap[NL80211_BAND_2GHZ].ht_enable = true; 380857fbcce3SJohannes Berg vif->htcap[NL80211_BAND_5GHZ].ht_enable = true; 38098dafb70eSVasanthakumar Thiagarajan 381055055976SVasanthakumar Thiagarajan memcpy(ndev->dev_addr, ar->mac_addr, ETH_ALEN); 3811c95dcb59SAarthi Thiruvengadam if (fw_vif_idx != 0) { 381255055976SVasanthakumar Thiagarajan ndev->dev_addr[0] = (ndev->dev_addr[0] ^ (1 << fw_vif_idx)) | 381355055976SVasanthakumar Thiagarajan 0x2; 3814c95dcb59SAarthi Thiruvengadam if (test_bit(ATH6KL_FW_CAPABILITY_CUSTOM_MAC_ADDR, 3815c95dcb59SAarthi Thiruvengadam ar->fw_capabilities)) 3816c95dcb59SAarthi Thiruvengadam ndev->dev_addr[4] ^= 0x80; 3817c95dcb59SAarthi Thiruvengadam } 381855055976SVasanthakumar Thiagarajan 38198dafb70eSVasanthakumar Thiagarajan init_netdev(ndev); 38208dafb70eSVasanthakumar Thiagarajan 3821e29f25f5SVasanthakumar Thiagarajan ath6kl_init_control_info(vif); 38228dafb70eSVasanthakumar Thiagarajan 3823c25889e8SKalle Valo if (ath6kl_cfg80211_vif_init(vif)) 38248dafb70eSVasanthakumar Thiagarajan goto err; 38258dafb70eSVasanthakumar Thiagarajan 382613eff531SBen Greear netdev_set_default_ethtool_ops(ndev, &ath6kl_ethtool_ops); 382713eff531SBen Greear 382827929723SVasanthakumar Thiagarajan if (register_netdevice(ndev)) 38298dafb70eSVasanthakumar Thiagarajan goto err; 38308dafb70eSVasanthakumar Thiagarajan 383155055976SVasanthakumar Thiagarajan ar->avail_idx_map &= ~BIT(fw_vif_idx); 383214ee6f6bSVasanthakumar Thiagarajan vif->sme_state = SME_DISCONNECTED; 383359c98449SVasanthakumar Thiagarajan set_bit(WLAN_ENABLED, &vif->flags); 38348dafb70eSVasanthakumar Thiagarajan ar->wlan_pwr_state = WLAN_POWER_STATE_ON; 38358dafb70eSVasanthakumar Thiagarajan 383655055976SVasanthakumar Thiagarajan if (type == NL80211_IFTYPE_ADHOC) 383755055976SVasanthakumar Thiagarajan ar->ibss_if_active = true; 383855055976SVasanthakumar Thiagarajan 383911f6e40dSVasanthakumar Thiagarajan spin_lock_bh(&ar->list_lock); 3840990bd915SVasanthakumar Thiagarajan list_add_tail(&vif->list, &ar->vif_list); 384111f6e40dSVasanthakumar Thiagarajan spin_unlock_bh(&ar->list_lock); 3842990bd915SVasanthakumar Thiagarajan 384384efbb84SJohannes Berg return &vif->wdev; 38448dafb70eSVasanthakumar Thiagarajan 38458dafb70eSVasanthakumar Thiagarajan err: 384627929723SVasanthakumar Thiagarajan aggr_module_destroy(vif->aggr_cntxt); 384727929723SVasanthakumar Thiagarajan free_netdev(ndev); 3848bdcd8170SKalle Valo return NULL; 3849bdcd8170SKalle Valo } 3850bdcd8170SKalle Valo 3851964dc9e2SJohannes Berg #ifdef CONFIG_PM 3852964dc9e2SJohannes Berg static const struct wiphy_wowlan_support ath6kl_wowlan_support = { 3853964dc9e2SJohannes Berg .flags = WIPHY_WOWLAN_MAGIC_PKT | 3854964dc9e2SJohannes Berg WIPHY_WOWLAN_DISCONNECT | 3855964dc9e2SJohannes Berg WIPHY_WOWLAN_GTK_REKEY_FAILURE | 3856964dc9e2SJohannes Berg WIPHY_WOWLAN_SUPPORTS_GTK_REKEY | 3857964dc9e2SJohannes Berg WIPHY_WOWLAN_EAP_IDENTITY_REQ | 3858964dc9e2SJohannes Berg WIPHY_WOWLAN_4WAY_HANDSHAKE, 3859964dc9e2SJohannes Berg .n_patterns = WOW_MAX_FILTERS_PER_LIST, 3860964dc9e2SJohannes Berg .pattern_min_len = 1, 3861964dc9e2SJohannes Berg .pattern_max_len = WOW_PATTERN_SIZE, 3862964dc9e2SJohannes Berg }; 3863964dc9e2SJohannes Berg #endif 3864964dc9e2SJohannes Berg 386546d33a21SKalle Valo int ath6kl_cfg80211_init(struct ath6kl *ar) 386646d33a21SKalle Valo { 386746d33a21SKalle Valo struct wiphy *wiphy = ar->wiphy; 3868d92917e4SThomas Pedersen bool band_2gig = false, band_5gig = false, ht = false; 386946d33a21SKalle Valo int ret; 387046d33a21SKalle Valo 387146d33a21SKalle Valo wiphy->mgmt_stypes = ath6kl_mgmt_stypes; 387246d33a21SKalle Valo 387346d33a21SKalle Valo wiphy->max_remain_on_channel_duration = 5000; 387446d33a21SKalle Valo 387546d33a21SKalle Valo /* set device pointer for wiphy */ 387646d33a21SKalle Valo set_wiphy_dev(wiphy, ar->dev); 387746d33a21SKalle Valo 387846d33a21SKalle Valo wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | 387946d33a21SKalle Valo BIT(NL80211_IFTYPE_ADHOC) | 388046d33a21SKalle Valo BIT(NL80211_IFTYPE_AP); 388146d33a21SKalle Valo if (ar->p2p) { 388246d33a21SKalle Valo wiphy->interface_modes |= BIT(NL80211_IFTYPE_P2P_GO) | 388346d33a21SKalle Valo BIT(NL80211_IFTYPE_P2P_CLIENT); 388446d33a21SKalle Valo } 388546d33a21SKalle Valo 388684841ba2SKalle Valo if (config_enabled(CONFIG_ATH6KL_REGDOMAIN) && 3887ff7e6867SKalle Valo test_bit(ATH6KL_FW_CAPABILITY_REGDOMAIN, ar->fw_capabilities)) { 388884841ba2SKalle Valo wiphy->reg_notifier = ath6kl_cfg80211_reg_notify; 3889ff7e6867SKalle Valo ar->wiphy->features |= NL80211_FEATURE_CELL_BASE_REG_HINTS; 3890ff7e6867SKalle Valo } 389184841ba2SKalle Valo 389246d33a21SKalle Valo /* max num of ssids that can be probed during scanning */ 38938ab5415dSJouni Malinen wiphy->max_scan_ssids = MAX_PROBED_SSIDS; 3894dd45b759SNaveen Singh 3895dd45b759SNaveen Singh /* max num of ssids that can be matched after scan */ 3896dd45b759SNaveen Singh if (test_bit(ATH6KL_FW_CAPABILITY_SCHED_SCAN_MATCH_LIST, 3897dd45b759SNaveen Singh ar->fw_capabilities)) 3898dd45b759SNaveen Singh wiphy->max_match_sets = MAX_PROBED_SSIDS; 3899dd45b759SNaveen Singh 390046d33a21SKalle Valo wiphy->max_scan_ie_len = 1000; /* FIX: what is correct limit? */ 3901d92917e4SThomas Pedersen switch (ar->hw.cap) { 3902d92917e4SThomas Pedersen case WMI_11AN_CAP: 3903d92917e4SThomas Pedersen ht = true; 3904d92917e4SThomas Pedersen case WMI_11A_CAP: 3905d92917e4SThomas Pedersen band_5gig = true; 3906d92917e4SThomas Pedersen break; 3907d92917e4SThomas Pedersen case WMI_11GN_CAP: 3908d92917e4SThomas Pedersen ht = true; 3909d92917e4SThomas Pedersen case WMI_11G_CAP: 3910d92917e4SThomas Pedersen band_2gig = true; 3911d92917e4SThomas Pedersen break; 3912d92917e4SThomas Pedersen case WMI_11AGN_CAP: 3913d92917e4SThomas Pedersen ht = true; 3914d92917e4SThomas Pedersen case WMI_11AG_CAP: 3915d92917e4SThomas Pedersen band_2gig = true; 3916d92917e4SThomas Pedersen band_5gig = true; 3917d92917e4SThomas Pedersen break; 3918d92917e4SThomas Pedersen default: 3919d92917e4SThomas Pedersen ath6kl_err("invalid phy capability!\n"); 3920d92917e4SThomas Pedersen return -EINVAL; 3921d92917e4SThomas Pedersen } 3922d92917e4SThomas Pedersen 39237fd1ce7eSVasanthakumar Thiagarajan /* 39247fd1ce7eSVasanthakumar Thiagarajan * Even if the fw has HT support, advertise HT cap only when 39257fd1ce7eSVasanthakumar Thiagarajan * the firmware has support to override RSN capability, otherwise 39267fd1ce7eSVasanthakumar Thiagarajan * 4-way handshake would fail. 39277fd1ce7eSVasanthakumar Thiagarajan */ 39287fd1ce7eSVasanthakumar Thiagarajan if (!(ht && 39297fd1ce7eSVasanthakumar Thiagarajan test_bit(ATH6KL_FW_CAPABILITY_RSN_CAP_OVERRIDE, 39307fd1ce7eSVasanthakumar Thiagarajan ar->fw_capabilities))) { 3931d92917e4SThomas Pedersen ath6kl_band_2ghz.ht_cap.cap = 0; 3932d92917e4SThomas Pedersen ath6kl_band_2ghz.ht_cap.ht_supported = false; 3933d92917e4SThomas Pedersen ath6kl_band_5ghz.ht_cap.cap = 0; 3934d92917e4SThomas Pedersen ath6kl_band_5ghz.ht_cap.ht_supported = false; 39357fd98524SBen Greear 39367fd98524SBen Greear if (ht) 39377fd98524SBen Greear ath6kl_err("Firmware lacks RSN-CAP-OVERRIDE, so HT (802.11n) is disabled."); 3938d92917e4SThomas Pedersen } 393906e360acSBala Shanmugam 3940eba95bceSKalle Valo if (test_bit(ATH6KL_FW_CAPABILITY_64BIT_RATES, 3941eba95bceSKalle Valo ar->fw_capabilities)) { 394206e360acSBala Shanmugam ath6kl_band_2ghz.ht_cap.mcs.rx_mask[0] = 0xff; 394306e360acSBala Shanmugam ath6kl_band_5ghz.ht_cap.mcs.rx_mask[0] = 0xff; 394406e360acSBala Shanmugam ath6kl_band_2ghz.ht_cap.mcs.rx_mask[1] = 0xff; 394506e360acSBala Shanmugam ath6kl_band_5ghz.ht_cap.mcs.rx_mask[1] = 0xff; 394626ca14d4SBen Greear ar->hw.tx_ant = 0x3; /* mask, 2 antenna */ 394726ca14d4SBen Greear ar->hw.rx_ant = 0x3; 394806e360acSBala Shanmugam } else { 394906e360acSBala Shanmugam ath6kl_band_2ghz.ht_cap.mcs.rx_mask[0] = 0xff; 395006e360acSBala Shanmugam ath6kl_band_5ghz.ht_cap.mcs.rx_mask[0] = 0xff; 39519c2e90ffSBen Greear ar->hw.tx_ant = 1; 39529c2e90ffSBen Greear ar->hw.rx_ant = 1; 395306e360acSBala Shanmugam } 395406e360acSBala Shanmugam 39559c2e90ffSBen Greear wiphy->available_antennas_tx = ar->hw.tx_ant; 39569c2e90ffSBen Greear wiphy->available_antennas_rx = ar->hw.rx_ant; 39579c2e90ffSBen Greear 3958d92917e4SThomas Pedersen if (band_2gig) 395957fbcce3SJohannes Berg wiphy->bands[NL80211_BAND_2GHZ] = &ath6kl_band_2ghz; 3960d92917e4SThomas Pedersen if (band_5gig) 396157fbcce3SJohannes Berg wiphy->bands[NL80211_BAND_5GHZ] = &ath6kl_band_5ghz; 3962d92917e4SThomas Pedersen 396346d33a21SKalle Valo wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; 396446d33a21SKalle Valo 396546d33a21SKalle Valo wiphy->cipher_suites = cipher_suites; 396646d33a21SKalle Valo wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites); 396746d33a21SKalle Valo 3968dfb89c56SJohannes Berg #ifdef CONFIG_PM 3969964dc9e2SJohannes Berg wiphy->wowlan = &ath6kl_wowlan_support; 3970dfb89c56SJohannes Berg #endif 397146d33a21SKalle Valo 39728ab5415dSJouni Malinen wiphy->max_sched_scan_ssids = MAX_PROBED_SSIDS; 397346d33a21SKalle Valo 3974f2afdac7SVasanthakumar Thiagarajan ar->wiphy->flags |= WIPHY_FLAG_SUPPORTS_FW_ROAM | 3975f2afdac7SVasanthakumar Thiagarajan WIPHY_FLAG_HAVE_AP_SME | 3976f2afdac7SVasanthakumar Thiagarajan WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL | 3977f2afdac7SVasanthakumar Thiagarajan WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD; 3978f2afdac7SVasanthakumar Thiagarajan 3979b1f47e3aSThomas Pedersen if (test_bit(ATH6KL_FW_CAPABILITY_SCHED_SCAN_V2, ar->fw_capabilities)) 3980f2afdac7SVasanthakumar Thiagarajan ar->wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN; 3981f2afdac7SVasanthakumar Thiagarajan 398203bdeb0dSVasanthakumar Thiagarajan if (test_bit(ATH6KL_FW_CAPABILITY_INACTIVITY_TIMEOUT, 398303bdeb0dSVasanthakumar Thiagarajan ar->fw_capabilities)) 3984b292219fSJohannes Berg ar->wiphy->features |= NL80211_FEATURE_INACTIVITY_TIMER; 398503bdeb0dSVasanthakumar Thiagarajan 3986f2afdac7SVasanthakumar Thiagarajan ar->wiphy->probe_resp_offload = 3987f2afdac7SVasanthakumar Thiagarajan NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS | 3988f2afdac7SVasanthakumar Thiagarajan NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 | 3989a432e7ccSJouni Malinen NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P; 3990f2afdac7SVasanthakumar Thiagarajan 399146d33a21SKalle Valo ret = wiphy_register(wiphy); 399246d33a21SKalle Valo if (ret < 0) { 399346d33a21SKalle Valo ath6kl_err("couldn't register wiphy device\n"); 399446d33a21SKalle Valo return ret; 399546d33a21SKalle Valo } 399646d33a21SKalle Valo 3997e5348a1eSVasanthakumar Thiagarajan ar->wiphy_registered = true; 3998e5348a1eSVasanthakumar Thiagarajan 399946d33a21SKalle Valo return 0; 400046d33a21SKalle Valo } 400146d33a21SKalle Valo 400246d33a21SKalle Valo void ath6kl_cfg80211_cleanup(struct ath6kl *ar) 4003bdcd8170SKalle Valo { 4004be98e3a4SVasanthakumar Thiagarajan wiphy_unregister(ar->wiphy); 4005e5348a1eSVasanthakumar Thiagarajan 4006e5348a1eSVasanthakumar Thiagarajan ar->wiphy_registered = false; 400745eaa78fSKalle Valo } 400846d33a21SKalle Valo 400945eaa78fSKalle Valo struct ath6kl *ath6kl_cfg80211_create(void) 401045eaa78fSKalle Valo { 401145eaa78fSKalle Valo struct ath6kl *ar; 401245eaa78fSKalle Valo struct wiphy *wiphy; 401345eaa78fSKalle Valo 401445eaa78fSKalle Valo /* create a new wiphy for use with cfg80211 */ 401545eaa78fSKalle Valo wiphy = wiphy_new(&ath6kl_cfg80211_ops, sizeof(struct ath6kl)); 401645eaa78fSKalle Valo 401745eaa78fSKalle Valo if (!wiphy) { 401845eaa78fSKalle Valo ath6kl_err("couldn't allocate wiphy device\n"); 401945eaa78fSKalle Valo return NULL; 402045eaa78fSKalle Valo } 402145eaa78fSKalle Valo 402245eaa78fSKalle Valo ar = wiphy_priv(wiphy); 402345eaa78fSKalle Valo ar->wiphy = wiphy; 402445eaa78fSKalle Valo 402545eaa78fSKalle Valo return ar; 402645eaa78fSKalle Valo } 402745eaa78fSKalle Valo 402845eaa78fSKalle Valo /* Note: ar variable must not be accessed after calling this! */ 402945eaa78fSKalle Valo void ath6kl_cfg80211_destroy(struct ath6kl *ar) 403045eaa78fSKalle Valo { 40311d2a4456SVasanthakumar Thiagarajan int i; 40321d2a4456SVasanthakumar Thiagarajan 40331d2a4456SVasanthakumar Thiagarajan for (i = 0; i < AP_MAX_NUM_STA; i++) 40341d2a4456SVasanthakumar Thiagarajan kfree(ar->sta_list[i].aggr_conn); 40351d2a4456SVasanthakumar Thiagarajan 4036be98e3a4SVasanthakumar Thiagarajan wiphy_free(ar->wiphy); 4037bdcd8170SKalle Valo } 403845eaa78fSKalle Valo 4039