18e84c258SEugene Krasnikov /* 28e84c258SEugene Krasnikov * Copyright (c) 2013 Eugene Krasnikov <k.eugene.e@gmail.com> 38e84c258SEugene Krasnikov * 48e84c258SEugene Krasnikov * Permission to use, copy, modify, and/or distribute this software for any 58e84c258SEugene Krasnikov * purpose with or without fee is hereby granted, provided that the above 68e84c258SEugene Krasnikov * copyright notice and this permission notice appear in all copies. 78e84c258SEugene Krasnikov * 88e84c258SEugene Krasnikov * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 98e84c258SEugene Krasnikov * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 108e84c258SEugene Krasnikov * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 118e84c258SEugene Krasnikov * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 128e84c258SEugene Krasnikov * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION 138e84c258SEugene Krasnikov * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN 148e84c258SEugene Krasnikov * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 158e84c258SEugene Krasnikov */ 168e84c258SEugene Krasnikov 178e84c258SEugene Krasnikov #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt 188e84c258SEugene Krasnikov 198e84c258SEugene Krasnikov #include <linux/module.h> 204bda7fafSPontus Fuchs #include <linux/firmware.h> 218e84c258SEugene Krasnikov #include <linux/platform_device.h> 2205ddce49SBjorn Andersson #include <linux/of_address.h> 2305ddce49SBjorn Andersson #include <linux/of_device.h> 24f303a931SBjorn Andersson #include <linux/of_irq.h> 255052de8dSBjorn Andersson #include <linux/rpmsg.h> 26f303a931SBjorn Andersson #include <linux/soc/qcom/smem_state.h> 27f303a931SBjorn Andersson #include <linux/soc/qcom/wcnss_ctrl.h> 28c7a61af5SBryan O'Donoghue #include <net/ipv6.h> 298e84c258SEugene Krasnikov #include "wcn36xx.h" 3087f825e6SEyal Ilsar #include "testmode.h" 318e84c258SEugene Krasnikov 328e84c258SEugene Krasnikov unsigned int wcn36xx_dbg_mask; 338e84c258SEugene Krasnikov module_param_named(debug_mask, wcn36xx_dbg_mask, uint, 0644); 348e84c258SEugene Krasnikov MODULE_PARM_DESC(debug_mask, "Debugging mask"); 358e84c258SEugene Krasnikov 368e84c258SEugene Krasnikov #define CHAN2G(_freq, _idx) { \ 3757fbcce3SJohannes Berg .band = NL80211_BAND_2GHZ, \ 388e84c258SEugene Krasnikov .center_freq = (_freq), \ 398e84c258SEugene Krasnikov .hw_value = (_idx), \ 408e84c258SEugene Krasnikov .max_power = 25, \ 418e84c258SEugene Krasnikov } 428e84c258SEugene Krasnikov 43fc4d4008SBryan O'Donoghue #define CHAN5G(_freq, _idx, _phy_val) { \ 4457fbcce3SJohannes Berg .band = NL80211_BAND_5GHZ, \ 458e84c258SEugene Krasnikov .center_freq = (_freq), \ 46fc4d4008SBryan O'Donoghue .hw_value = (_phy_val) << HW_VALUE_PHY_SHIFT | HW_VALUE_CHANNEL(_idx), \ 478e84c258SEugene Krasnikov .max_power = 25, \ 488e84c258SEugene Krasnikov } 498e84c258SEugene Krasnikov 508e84c258SEugene Krasnikov /* The wcn firmware expects channel values to matching 518e84c258SEugene Krasnikov * their mnemonic values. So use these for .hw_value. */ 528e84c258SEugene Krasnikov static struct ieee80211_channel wcn_2ghz_channels[] = { 538e84c258SEugene Krasnikov CHAN2G(2412, 1), /* Channel 1 */ 548e84c258SEugene Krasnikov CHAN2G(2417, 2), /* Channel 2 */ 558e84c258SEugene Krasnikov CHAN2G(2422, 3), /* Channel 3 */ 568e84c258SEugene Krasnikov CHAN2G(2427, 4), /* Channel 4 */ 578e84c258SEugene Krasnikov CHAN2G(2432, 5), /* Channel 5 */ 588e84c258SEugene Krasnikov CHAN2G(2437, 6), /* Channel 6 */ 598e84c258SEugene Krasnikov CHAN2G(2442, 7), /* Channel 7 */ 608e84c258SEugene Krasnikov CHAN2G(2447, 8), /* Channel 8 */ 618e84c258SEugene Krasnikov CHAN2G(2452, 9), /* Channel 9 */ 628e84c258SEugene Krasnikov CHAN2G(2457, 10), /* Channel 10 */ 638e84c258SEugene Krasnikov CHAN2G(2462, 11), /* Channel 11 */ 648e84c258SEugene Krasnikov CHAN2G(2467, 12), /* Channel 12 */ 658e84c258SEugene Krasnikov CHAN2G(2472, 13), /* Channel 13 */ 668e84c258SEugene Krasnikov CHAN2G(2484, 14) /* Channel 14 */ 678e84c258SEugene Krasnikov 688e84c258SEugene Krasnikov }; 698e84c258SEugene Krasnikov 708e84c258SEugene Krasnikov static struct ieee80211_channel wcn_5ghz_channels[] = { 71fc4d4008SBryan O'Donoghue CHAN5G(5180, 36, PHY_QUADRUPLE_CHANNEL_20MHZ_LOW_40MHZ_LOW), 72fc4d4008SBryan O'Donoghue CHAN5G(5200, 40, PHY_QUADRUPLE_CHANNEL_20MHZ_HIGH_40MHZ_LOW), 73fc4d4008SBryan O'Donoghue CHAN5G(5220, 44, PHY_QUADRUPLE_CHANNEL_20MHZ_LOW_40MHZ_HIGH), 74fc4d4008SBryan O'Donoghue CHAN5G(5240, 48, PHY_QUADRUPLE_CHANNEL_20MHZ_HIGH_40MHZ_HIGH), 75fc4d4008SBryan O'Donoghue CHAN5G(5260, 52, PHY_QUADRUPLE_CHANNEL_20MHZ_LOW_40MHZ_LOW), 76fc4d4008SBryan O'Donoghue CHAN5G(5280, 56, PHY_QUADRUPLE_CHANNEL_20MHZ_HIGH_40MHZ_LOW), 77fc4d4008SBryan O'Donoghue CHAN5G(5300, 60, PHY_QUADRUPLE_CHANNEL_20MHZ_LOW_40MHZ_HIGH), 78fc4d4008SBryan O'Donoghue CHAN5G(5320, 64, PHY_QUADRUPLE_CHANNEL_20MHZ_HIGH_40MHZ_HIGH), 79fc4d4008SBryan O'Donoghue CHAN5G(5500, 100, PHY_QUADRUPLE_CHANNEL_20MHZ_LOW_40MHZ_LOW), 80fc4d4008SBryan O'Donoghue CHAN5G(5520, 104, PHY_QUADRUPLE_CHANNEL_20MHZ_HIGH_40MHZ_LOW), 81fc4d4008SBryan O'Donoghue CHAN5G(5540, 108, PHY_QUADRUPLE_CHANNEL_20MHZ_LOW_40MHZ_HIGH), 82fc4d4008SBryan O'Donoghue CHAN5G(5560, 112, PHY_QUADRUPLE_CHANNEL_20MHZ_HIGH_40MHZ_HIGH), 83fc4d4008SBryan O'Donoghue CHAN5G(5580, 116, PHY_QUADRUPLE_CHANNEL_20MHZ_LOW_40MHZ_LOW), 84fc4d4008SBryan O'Donoghue CHAN5G(5600, 120, PHY_QUADRUPLE_CHANNEL_20MHZ_HIGH_40MHZ_LOW), 85fc4d4008SBryan O'Donoghue CHAN5G(5620, 124, PHY_QUADRUPLE_CHANNEL_20MHZ_LOW_40MHZ_HIGH), 86fc4d4008SBryan O'Donoghue CHAN5G(5640, 128, PHY_QUADRUPLE_CHANNEL_20MHZ_HIGH_40MHZ_HIGH), 87fc4d4008SBryan O'Donoghue CHAN5G(5660, 132, PHY_QUADRUPLE_CHANNEL_20MHZ_LOW_40MHZ_LOW), 88c9a4f2ddSBenjamin Li CHAN5G(5680, 136, PHY_QUADRUPLE_CHANNEL_20MHZ_HIGH_40MHZ_LOW), 89fc4d4008SBryan O'Donoghue CHAN5G(5700, 140, PHY_QUADRUPLE_CHANNEL_20MHZ_LOW_40MHZ_HIGH), 90c9a4f2ddSBenjamin Li CHAN5G(5720, 144, PHY_QUADRUPLE_CHANNEL_20MHZ_HIGH_40MHZ_HIGH), 91fc4d4008SBryan O'Donoghue CHAN5G(5745, 149, PHY_QUADRUPLE_CHANNEL_20MHZ_LOW_40MHZ_LOW), 92fc4d4008SBryan O'Donoghue CHAN5G(5765, 153, PHY_QUADRUPLE_CHANNEL_20MHZ_HIGH_40MHZ_LOW), 93fc4d4008SBryan O'Donoghue CHAN5G(5785, 157, PHY_QUADRUPLE_CHANNEL_20MHZ_LOW_40MHZ_HIGH), 94fc4d4008SBryan O'Donoghue CHAN5G(5805, 161, PHY_QUADRUPLE_CHANNEL_20MHZ_HIGH_40MHZ_HIGH), 95fc4d4008SBryan O'Donoghue CHAN5G(5825, 165, 0) 968e84c258SEugene Krasnikov }; 978e84c258SEugene Krasnikov 988e84c258SEugene Krasnikov #define RATE(_bitrate, _hw_rate, _flags) { \ 998e84c258SEugene Krasnikov .bitrate = (_bitrate), \ 1008e84c258SEugene Krasnikov .flags = (_flags), \ 1018e84c258SEugene Krasnikov .hw_value = (_hw_rate), \ 1028e84c258SEugene Krasnikov .hw_value_short = (_hw_rate) \ 1038e84c258SEugene Krasnikov } 1048e84c258SEugene Krasnikov 1058e84c258SEugene Krasnikov static struct ieee80211_rate wcn_2ghz_rates[] = { 1068e84c258SEugene Krasnikov RATE(10, HW_RATE_INDEX_1MBPS, 0), 1078e84c258SEugene Krasnikov RATE(20, HW_RATE_INDEX_2MBPS, IEEE80211_RATE_SHORT_PREAMBLE), 1088e84c258SEugene Krasnikov RATE(55, HW_RATE_INDEX_5_5MBPS, IEEE80211_RATE_SHORT_PREAMBLE), 1098e84c258SEugene Krasnikov RATE(110, HW_RATE_INDEX_11MBPS, IEEE80211_RATE_SHORT_PREAMBLE), 1108e84c258SEugene Krasnikov RATE(60, HW_RATE_INDEX_6MBPS, 0), 1118e84c258SEugene Krasnikov RATE(90, HW_RATE_INDEX_9MBPS, 0), 1128e84c258SEugene Krasnikov RATE(120, HW_RATE_INDEX_12MBPS, 0), 1138e84c258SEugene Krasnikov RATE(180, HW_RATE_INDEX_18MBPS, 0), 1148e84c258SEugene Krasnikov RATE(240, HW_RATE_INDEX_24MBPS, 0), 1158e84c258SEugene Krasnikov RATE(360, HW_RATE_INDEX_36MBPS, 0), 1168e84c258SEugene Krasnikov RATE(480, HW_RATE_INDEX_48MBPS, 0), 1178e84c258SEugene Krasnikov RATE(540, HW_RATE_INDEX_54MBPS, 0) 1188e84c258SEugene Krasnikov }; 1198e84c258SEugene Krasnikov 1208e84c258SEugene Krasnikov static struct ieee80211_rate wcn_5ghz_rates[] = { 1218e84c258SEugene Krasnikov RATE(60, HW_RATE_INDEX_6MBPS, 0), 1228e84c258SEugene Krasnikov RATE(90, HW_RATE_INDEX_9MBPS, 0), 1238e84c258SEugene Krasnikov RATE(120, HW_RATE_INDEX_12MBPS, 0), 1248e84c258SEugene Krasnikov RATE(180, HW_RATE_INDEX_18MBPS, 0), 1258e84c258SEugene Krasnikov RATE(240, HW_RATE_INDEX_24MBPS, 0), 1268e84c258SEugene Krasnikov RATE(360, HW_RATE_INDEX_36MBPS, 0), 1278e84c258SEugene Krasnikov RATE(480, HW_RATE_INDEX_48MBPS, 0), 1288e84c258SEugene Krasnikov RATE(540, HW_RATE_INDEX_54MBPS, 0) 1298e84c258SEugene Krasnikov }; 1308e84c258SEugene Krasnikov 1318e84c258SEugene Krasnikov static struct ieee80211_supported_band wcn_band_2ghz = { 1328e84c258SEugene Krasnikov .channels = wcn_2ghz_channels, 1338e84c258SEugene Krasnikov .n_channels = ARRAY_SIZE(wcn_2ghz_channels), 1348e84c258SEugene Krasnikov .bitrates = wcn_2ghz_rates, 1358e84c258SEugene Krasnikov .n_bitrates = ARRAY_SIZE(wcn_2ghz_rates), 1368e84c258SEugene Krasnikov .ht_cap = { 1378e84c258SEugene Krasnikov .cap = IEEE80211_HT_CAP_GRN_FLD | 1388e84c258SEugene Krasnikov IEEE80211_HT_CAP_SGI_20 | 1398e84c258SEugene Krasnikov IEEE80211_HT_CAP_DSSSCCK40 | 140960ae77fSLoic Poulain IEEE80211_HT_CAP_LSIG_TXOP_PROT | 141960ae77fSLoic Poulain IEEE80211_HT_CAP_SGI_40 | 142960ae77fSLoic Poulain IEEE80211_HT_CAP_SUP_WIDTH_20_40, 1438e84c258SEugene Krasnikov .ht_supported = true, 1448e84c258SEugene Krasnikov .ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K, 1458e84c258SEugene Krasnikov .ampdu_density = IEEE80211_HT_MPDU_DENSITY_16, 1468e84c258SEugene Krasnikov .mcs = { 1478e84c258SEugene Krasnikov .rx_mask = { 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, 1488e84c258SEugene Krasnikov .rx_highest = cpu_to_le16(72), 1498e84c258SEugene Krasnikov .tx_params = IEEE80211_HT_MCS_TX_DEFINED, 1508e84c258SEugene Krasnikov } 1518e84c258SEugene Krasnikov } 1528e84c258SEugene Krasnikov }; 1538e84c258SEugene Krasnikov 1548e84c258SEugene Krasnikov static struct ieee80211_supported_band wcn_band_5ghz = { 1558e84c258SEugene Krasnikov .channels = wcn_5ghz_channels, 1568e84c258SEugene Krasnikov .n_channels = ARRAY_SIZE(wcn_5ghz_channels), 1578e84c258SEugene Krasnikov .bitrates = wcn_5ghz_rates, 1588e84c258SEugene Krasnikov .n_bitrates = ARRAY_SIZE(wcn_5ghz_rates), 1598e84c258SEugene Krasnikov .ht_cap = { 1608e84c258SEugene Krasnikov .cap = IEEE80211_HT_CAP_GRN_FLD | 1618e84c258SEugene Krasnikov IEEE80211_HT_CAP_SGI_20 | 1628e84c258SEugene Krasnikov IEEE80211_HT_CAP_DSSSCCK40 | 1638e84c258SEugene Krasnikov IEEE80211_HT_CAP_LSIG_TXOP_PROT | 1648e84c258SEugene Krasnikov IEEE80211_HT_CAP_SGI_40 | 1658e84c258SEugene Krasnikov IEEE80211_HT_CAP_SUP_WIDTH_20_40, 1668e84c258SEugene Krasnikov .ht_supported = true, 1678e84c258SEugene Krasnikov .ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K, 1688e84c258SEugene Krasnikov .ampdu_density = IEEE80211_HT_MPDU_DENSITY_16, 1698e84c258SEugene Krasnikov .mcs = { 1708e84c258SEugene Krasnikov .rx_mask = { 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, 1713b9fb679SBryan O'Donoghue .rx_highest = cpu_to_le16(150), 1728e84c258SEugene Krasnikov .tx_params = IEEE80211_HT_MCS_TX_DEFINED, 1738e84c258SEugene Krasnikov } 1748e84c258SEugene Krasnikov } 1758e84c258SEugene Krasnikov }; 1768e84c258SEugene Krasnikov 1778e84c258SEugene Krasnikov #ifdef CONFIG_PM 1788e84c258SEugene Krasnikov 1798e84c258SEugene Krasnikov static const struct wiphy_wowlan_support wowlan_support = { 1801e2e8ee9SBryan O'Donoghue .flags = WIPHY_WOWLAN_ANY | 1811e2e8ee9SBryan O'Donoghue WIPHY_WOWLAN_MAGIC_PKT | 1821e2e8ee9SBryan O'Donoghue WIPHY_WOWLAN_SUPPORTS_GTK_REKEY 1838e84c258SEugene Krasnikov }; 1848e84c258SEugene Krasnikov 1858e84c258SEugene Krasnikov #endif 1868e84c258SEugene Krasnikov 1878e84c258SEugene Krasnikov static inline u8 get_sta_index(struct ieee80211_vif *vif, 1888e84c258SEugene Krasnikov struct wcn36xx_sta *sta_priv) 1898e84c258SEugene Krasnikov { 1908e84c258SEugene Krasnikov return NL80211_IFTYPE_STATION == vif->type ? 1918e84c258SEugene Krasnikov sta_priv->bss_sta_index : 1928e84c258SEugene Krasnikov sta_priv->sta_index; 1938e84c258SEugene Krasnikov } 1948e84c258SEugene Krasnikov 1952be6636aSPontus Fuchs static const char * const wcn36xx_caps_names[] = { 1962be6636aSPontus Fuchs "MCC", /* 0 */ 1972be6636aSPontus Fuchs "P2P", /* 1 */ 1982be6636aSPontus Fuchs "DOT11AC", /* 2 */ 1992be6636aSPontus Fuchs "SLM_SESSIONIZATION", /* 3 */ 2002be6636aSPontus Fuchs "DOT11AC_OPMODE", /* 4 */ 2012be6636aSPontus Fuchs "SAP32STA", /* 5 */ 2022be6636aSPontus Fuchs "TDLS", /* 6 */ 2032be6636aSPontus Fuchs "P2P_GO_NOA_DECOUPLE_INIT_SCAN",/* 7 */ 2042be6636aSPontus Fuchs "WLANACTIVE_OFFLOAD", /* 8 */ 2052be6636aSPontus Fuchs "BEACON_OFFLOAD", /* 9 */ 2062be6636aSPontus Fuchs "SCAN_OFFLOAD", /* 10 */ 2072be6636aSPontus Fuchs "ROAM_OFFLOAD", /* 11 */ 2082be6636aSPontus Fuchs "BCN_MISS_OFFLOAD", /* 12 */ 2092be6636aSPontus Fuchs "STA_POWERSAVE", /* 13 */ 2102be6636aSPontus Fuchs "STA_ADVANCED_PWRSAVE", /* 14 */ 2112be6636aSPontus Fuchs "AP_UAPSD", /* 15 */ 2122be6636aSPontus Fuchs "AP_DFS", /* 16 */ 2132be6636aSPontus Fuchs "BLOCKACK", /* 17 */ 2142be6636aSPontus Fuchs "PHY_ERR", /* 18 */ 2152be6636aSPontus Fuchs "BCN_FILTER", /* 19 */ 2162be6636aSPontus Fuchs "RTT", /* 20 */ 2172be6636aSPontus Fuchs "RATECTRL", /* 21 */ 218ffc03c33SBjorn Andersson "WOW", /* 22 */ 219ffc03c33SBjorn Andersson "WLAN_ROAM_SCAN_OFFLOAD", /* 23 */ 220ffc03c33SBjorn Andersson "SPECULATIVE_PS_POLL", /* 24 */ 221ffc03c33SBjorn Andersson "SCAN_SCH", /* 25 */ 222ffc03c33SBjorn Andersson "IBSS_HEARTBEAT_OFFLOAD", /* 26 */ 223ffc03c33SBjorn Andersson "WLAN_SCAN_OFFLOAD", /* 27 */ 224ffc03c33SBjorn Andersson "WLAN_PERIODIC_TX_PTRN", /* 28 */ 225ffc03c33SBjorn Andersson "ADVANCE_TDLS", /* 29 */ 226ffc03c33SBjorn Andersson "BATCH_SCAN", /* 30 */ 227ffc03c33SBjorn Andersson "FW_IN_TX_PATH", /* 31 */ 228ffc03c33SBjorn Andersson "EXTENDED_NSOFFLOAD_SLOT", /* 32 */ 229ffc03c33SBjorn Andersson "CH_SWITCH_V1", /* 33 */ 230ffc03c33SBjorn Andersson "HT40_OBSS_SCAN", /* 34 */ 231ffc03c33SBjorn Andersson "UPDATE_CHANNEL_LIST", /* 35 */ 232ffc03c33SBjorn Andersson "WLAN_MCADDR_FLT", /* 36 */ 233ffc03c33SBjorn Andersson "WLAN_CH144", /* 37 */ 234ffc03c33SBjorn Andersson "NAN", /* 38 */ 235ffc03c33SBjorn Andersson "TDLS_SCAN_COEXISTENCE", /* 39 */ 236ffc03c33SBjorn Andersson "LINK_LAYER_STATS_MEAS", /* 40 */ 237ffc03c33SBjorn Andersson "MU_MIMO", /* 41 */ 238ffc03c33SBjorn Andersson "EXTENDED_SCAN", /* 42 */ 239ffc03c33SBjorn Andersson "DYNAMIC_WMM_PS", /* 43 */ 240ffc03c33SBjorn Andersson "MAC_SPOOFED_SCAN", /* 44 */ 241ffc03c33SBjorn Andersson "BMU_ERROR_GENERIC_RECOVERY", /* 45 */ 242ffc03c33SBjorn Andersson "DISA", /* 46 */ 243ffc03c33SBjorn Andersson "FW_STATS", /* 47 */ 244ffc03c33SBjorn Andersson "WPS_PRBRSP_TMPL", /* 48 */ 245ffc03c33SBjorn Andersson "BCN_IE_FLT_DELTA", /* 49 */ 246ffc03c33SBjorn Andersson "TDLS_OFF_CHANNEL", /* 51 */ 247ffc03c33SBjorn Andersson "RTT3", /* 52 */ 248ffc03c33SBjorn Andersson "MGMT_FRAME_LOGGING", /* 53 */ 249ffc03c33SBjorn Andersson "ENHANCED_TXBD_COMPLETION", /* 54 */ 250ffc03c33SBjorn Andersson "LOGGING_ENHANCEMENT", /* 55 */ 251ffc03c33SBjorn Andersson "EXT_SCAN_ENHANCED", /* 56 */ 252ffc03c33SBjorn Andersson "MEMORY_DUMP_SUPPORTED", /* 57 */ 253ffc03c33SBjorn Andersson "PER_PKT_STATS_SUPPORTED", /* 58 */ 254ffc03c33SBjorn Andersson "EXT_LL_STAT", /* 60 */ 255ffc03c33SBjorn Andersson "WIFI_CONFIG", /* 61 */ 256ffc03c33SBjorn Andersson "ANTENNA_DIVERSITY_SELECTION", /* 62 */ 2572be6636aSPontus Fuchs }; 2582be6636aSPontus Fuchs 2592be6636aSPontus Fuchs static const char *wcn36xx_get_cap_name(enum place_holder_in_cap_bitmap x) 2602be6636aSPontus Fuchs { 2612be6636aSPontus Fuchs if (x >= ARRAY_SIZE(wcn36xx_caps_names)) 2622be6636aSPontus Fuchs return "UNKNOWN"; 2632be6636aSPontus Fuchs return wcn36xx_caps_names[x]; 2642be6636aSPontus Fuchs } 2652be6636aSPontus Fuchs 2662be6636aSPontus Fuchs static void wcn36xx_feat_caps_info(struct wcn36xx *wcn) 2672be6636aSPontus Fuchs { 2682be6636aSPontus Fuchs int i; 2692be6636aSPontus Fuchs 2702be6636aSPontus Fuchs for (i = 0; i < MAX_FEATURE_SUPPORTED; i++) { 2712be6636aSPontus Fuchs if (get_feat_caps(wcn->fw_feat_caps, i)) 2726b8a127bSRamon Fried wcn36xx_dbg(WCN36XX_DBG_MAC, "FW Cap %s\n", wcn36xx_get_cap_name(i)); 2732be6636aSPontus Fuchs } 2742be6636aSPontus Fuchs } 2752be6636aSPontus Fuchs 2768e84c258SEugene Krasnikov static int wcn36xx_start(struct ieee80211_hw *hw) 2778e84c258SEugene Krasnikov { 2788e84c258SEugene Krasnikov struct wcn36xx *wcn = hw->priv; 2798e84c258SEugene Krasnikov int ret; 2808e84c258SEugene Krasnikov 2818e84c258SEugene Krasnikov wcn36xx_dbg(WCN36XX_DBG_MAC, "mac start\n"); 2828e84c258SEugene Krasnikov 2838e84c258SEugene Krasnikov /* SMD initialization */ 2848e84c258SEugene Krasnikov ret = wcn36xx_smd_open(wcn); 2858e84c258SEugene Krasnikov if (ret) { 2868e84c258SEugene Krasnikov wcn36xx_err("Failed to open smd channel: %d\n", ret); 2878e84c258SEugene Krasnikov goto out_err; 2888e84c258SEugene Krasnikov } 2898e84c258SEugene Krasnikov 2908e84c258SEugene Krasnikov /* Allocate memory pools for Mgmt BD headers and Data BD headers */ 2918e84c258SEugene Krasnikov ret = wcn36xx_dxe_allocate_mem_pools(wcn); 2928e84c258SEugene Krasnikov if (ret) { 2938e84c258SEugene Krasnikov wcn36xx_err("Failed to alloc DXE mempool: %d\n", ret); 2948e84c258SEugene Krasnikov goto out_smd_close; 2958e84c258SEugene Krasnikov } 2968e84c258SEugene Krasnikov 2978e84c258SEugene Krasnikov ret = wcn36xx_dxe_alloc_ctl_blks(wcn); 2988e84c258SEugene Krasnikov if (ret) { 2998e84c258SEugene Krasnikov wcn36xx_err("Failed to alloc DXE ctl blocks: %d\n", ret); 3008e84c258SEugene Krasnikov goto out_free_dxe_pool; 3018e84c258SEugene Krasnikov } 3028e84c258SEugene Krasnikov 3038e84c258SEugene Krasnikov ret = wcn36xx_smd_load_nv(wcn); 3048e84c258SEugene Krasnikov if (ret) { 3058e84c258SEugene Krasnikov wcn36xx_err("Failed to push NV to chip\n"); 306ef486675SBryan O'Donoghue goto out_free_dxe_ctl; 3078e84c258SEugene Krasnikov } 3088e84c258SEugene Krasnikov 3098e84c258SEugene Krasnikov ret = wcn36xx_smd_start(wcn); 3108e84c258SEugene Krasnikov if (ret) { 3118e84c258SEugene Krasnikov wcn36xx_err("Failed to start chip\n"); 312ef486675SBryan O'Donoghue goto out_free_dxe_ctl; 3138e84c258SEugene Krasnikov } 3148e84c258SEugene Krasnikov 315f2ed5d24SPontus Fuchs if (!wcn36xx_is_fw_version(wcn, 1, 2, 2, 24)) { 316f2ed5d24SPontus Fuchs ret = wcn36xx_smd_feature_caps_exchange(wcn); 317f2ed5d24SPontus Fuchs if (ret) 318f2ed5d24SPontus Fuchs wcn36xx_warn("Exchange feature caps failed\n"); 319f2ed5d24SPontus Fuchs else 320f2ed5d24SPontus Fuchs wcn36xx_feat_caps_info(wcn); 321f2ed5d24SPontus Fuchs } 322f2ed5d24SPontus Fuchs 3238e84c258SEugene Krasnikov /* DMA channel initialization */ 3248e84c258SEugene Krasnikov ret = wcn36xx_dxe_init(wcn); 3258e84c258SEugene Krasnikov if (ret) { 3268e84c258SEugene Krasnikov wcn36xx_err("DXE init failed\n"); 3278e84c258SEugene Krasnikov goto out_smd_stop; 3288e84c258SEugene Krasnikov } 3298e84c258SEugene Krasnikov 3308e84c258SEugene Krasnikov wcn36xx_debugfs_init(wcn); 3318e84c258SEugene Krasnikov 3328e84c258SEugene Krasnikov INIT_LIST_HEAD(&wcn->vif_list); 3334b12462aSBob Copeland spin_lock_init(&wcn->dxe_lock); 3344b12462aSBob Copeland 3358e84c258SEugene Krasnikov return 0; 3368e84c258SEugene Krasnikov 3378e84c258SEugene Krasnikov out_smd_stop: 3388e84c258SEugene Krasnikov wcn36xx_smd_stop(wcn); 3398e84c258SEugene Krasnikov out_free_dxe_ctl: 3408e84c258SEugene Krasnikov wcn36xx_dxe_free_ctl_blks(wcn); 3414aa2d31fSChristophe Jaillet out_free_dxe_pool: 3424aa2d31fSChristophe Jaillet wcn36xx_dxe_free_mem_pools(wcn); 3438e84c258SEugene Krasnikov out_smd_close: 3448e84c258SEugene Krasnikov wcn36xx_smd_close(wcn); 3458e84c258SEugene Krasnikov out_err: 3468e84c258SEugene Krasnikov return ret; 3478e84c258SEugene Krasnikov } 3488e84c258SEugene Krasnikov 3498e84c258SEugene Krasnikov static void wcn36xx_stop(struct ieee80211_hw *hw) 3508e84c258SEugene Krasnikov { 3518e84c258SEugene Krasnikov struct wcn36xx *wcn = hw->priv; 3528e84c258SEugene Krasnikov 3538e84c258SEugene Krasnikov wcn36xx_dbg(WCN36XX_DBG_MAC, "mac stop\n"); 3548e84c258SEugene Krasnikov 35580c764d3SDaniel Mack mutex_lock(&wcn->scan_lock); 35680c764d3SDaniel Mack if (wcn->scan_req) { 35780c764d3SDaniel Mack struct cfg80211_scan_info scan_info = { 35880c764d3SDaniel Mack .aborted = true, 35980c764d3SDaniel Mack }; 36080c764d3SDaniel Mack 36180c764d3SDaniel Mack ieee80211_scan_completed(wcn->hw, &scan_info); 36280c764d3SDaniel Mack } 36380c764d3SDaniel Mack wcn->scan_req = NULL; 36480c764d3SDaniel Mack mutex_unlock(&wcn->scan_lock); 36580c764d3SDaniel Mack 3668e84c258SEugene Krasnikov wcn36xx_debugfs_exit(wcn); 3678e84c258SEugene Krasnikov wcn36xx_smd_stop(wcn); 3688e84c258SEugene Krasnikov wcn36xx_dxe_deinit(wcn); 3698e84c258SEugene Krasnikov wcn36xx_smd_close(wcn); 3708e84c258SEugene Krasnikov 3718e84c258SEugene Krasnikov wcn36xx_dxe_free_mem_pools(wcn); 3728e84c258SEugene Krasnikov wcn36xx_dxe_free_ctl_blks(wcn); 3738e84c258SEugene Krasnikov } 3748e84c258SEugene Krasnikov 3755973a294SLoic Poulain static void wcn36xx_change_ps(struct wcn36xx *wcn, bool enable) 3765973a294SLoic Poulain { 3775973a294SLoic Poulain struct ieee80211_vif *vif = NULL; 3785973a294SLoic Poulain struct wcn36xx_vif *tmp; 3795973a294SLoic Poulain 3805973a294SLoic Poulain list_for_each_entry(tmp, &wcn->vif_list, list) { 3815973a294SLoic Poulain vif = wcn36xx_priv_to_vif(tmp); 3825973a294SLoic Poulain if (enable && !wcn->sw_scan) { 3835973a294SLoic Poulain if (vif->bss_conf.ps) /* ps allowed ? */ 3845973a294SLoic Poulain wcn36xx_pmc_enter_bmps_state(wcn, vif); 3855973a294SLoic Poulain } else { 3865973a294SLoic Poulain wcn36xx_pmc_exit_bmps_state(wcn, vif); 3875973a294SLoic Poulain } 3885973a294SLoic Poulain } 3895973a294SLoic Poulain } 3905973a294SLoic Poulain 3915973a294SLoic Poulain static void wcn36xx_change_opchannel(struct wcn36xx *wcn, int ch) 3925973a294SLoic Poulain { 3935973a294SLoic Poulain struct ieee80211_vif *vif = NULL; 3945973a294SLoic Poulain struct wcn36xx_vif *tmp; 3955973a294SLoic Poulain 3965973a294SLoic Poulain list_for_each_entry(tmp, &wcn->vif_list, list) { 3975973a294SLoic Poulain vif = wcn36xx_priv_to_vif(tmp); 3985973a294SLoic Poulain wcn36xx_smd_switch_channel(wcn, vif, ch); 3995973a294SLoic Poulain } 4005973a294SLoic Poulain } 4015973a294SLoic Poulain 4028e84c258SEugene Krasnikov static int wcn36xx_config(struct ieee80211_hw *hw, u32 changed) 4038e84c258SEugene Krasnikov { 4048e84c258SEugene Krasnikov struct wcn36xx *wcn = hw->priv; 4058f1ba8b0SBenjamin Li int ret; 4068e84c258SEugene Krasnikov 4078e84c258SEugene Krasnikov wcn36xx_dbg(WCN36XX_DBG_MAC, "mac config changed 0x%08x\n", changed); 4088e84c258SEugene Krasnikov 40939efc7ccSBjorn Andersson mutex_lock(&wcn->conf_mutex); 41039efc7ccSBjorn Andersson 4118e84c258SEugene Krasnikov if (changed & IEEE80211_CONF_CHANGE_CHANNEL) { 4128e84c258SEugene Krasnikov int ch = WCN36XX_HW_CHANNEL(wcn); 4138e84c258SEugene Krasnikov wcn36xx_dbg(WCN36XX_DBG_MAC, "wcn36xx_config channel switch=%d\n", 4148e84c258SEugene Krasnikov ch); 4155973a294SLoic Poulain 416d195d7aaSJoseph Gates if (wcn->sw_scan_opchannel == ch && wcn->sw_scan_channel) { 4175973a294SLoic Poulain /* If channel is the initial operating channel, we may 4185973a294SLoic Poulain * want to receive/transmit regular data packets, then 4195973a294SLoic Poulain * simply stop the scan session and exit PS mode. 4205973a294SLoic Poulain */ 4218f1ba8b0SBenjamin Li if (wcn->sw_scan_channel) 4228f1ba8b0SBenjamin Li wcn36xx_smd_end_scan(wcn, wcn->sw_scan_channel); 4238f1ba8b0SBenjamin Li if (wcn->sw_scan_init) { 4245973a294SLoic Poulain wcn36xx_smd_finish_scan(wcn, HAL_SYS_MODE_SCAN, 4255973a294SLoic Poulain wcn->sw_scan_vif); 4268f1ba8b0SBenjamin Li } 4275973a294SLoic Poulain } else if (wcn->sw_scan) { 4285973a294SLoic Poulain /* A scan is ongoing, do not change the operating 4295973a294SLoic Poulain * channel, but start a scan session on the channel. 4305973a294SLoic Poulain */ 4318f1ba8b0SBenjamin Li if (wcn->sw_scan_channel) 4328f1ba8b0SBenjamin Li wcn36xx_smd_end_scan(wcn, wcn->sw_scan_channel); 4338f1ba8b0SBenjamin Li if (!wcn->sw_scan_init) { 4348f1ba8b0SBenjamin Li /* This can fail if we are unable to notify the 4358f1ba8b0SBenjamin Li * operating channel. 4368f1ba8b0SBenjamin Li */ 4378f1ba8b0SBenjamin Li ret = wcn36xx_smd_init_scan(wcn, 4388f1ba8b0SBenjamin Li HAL_SYS_MODE_SCAN, 4395973a294SLoic Poulain wcn->sw_scan_vif); 4408f1ba8b0SBenjamin Li if (ret) { 4418f1ba8b0SBenjamin Li mutex_unlock(&wcn->conf_mutex); 4428f1ba8b0SBenjamin Li return -EIO; 4438f1ba8b0SBenjamin Li } 4448f1ba8b0SBenjamin Li } 4455973a294SLoic Poulain wcn36xx_smd_start_scan(wcn, ch); 4465973a294SLoic Poulain } else { 4475973a294SLoic Poulain wcn36xx_change_opchannel(wcn, ch); 4488e84c258SEugene Krasnikov } 4498e84c258SEugene Krasnikov } 4508e84c258SEugene Krasnikov 4515973a294SLoic Poulain if (changed & IEEE80211_CONF_CHANGE_PS) 4525973a294SLoic Poulain wcn36xx_change_ps(wcn, hw->conf.flags & IEEE80211_CONF_PS); 4530856655aSLoic Poulain 4540e159d2cSBryan O'Donoghue if (changed & IEEE80211_CONF_CHANGE_IDLE) { 4550e159d2cSBryan O'Donoghue if (hw->conf.flags & IEEE80211_CONF_IDLE) 4560e159d2cSBryan O'Donoghue wcn36xx_smd_enter_imps(wcn); 4570e159d2cSBryan O'Donoghue else 4580e159d2cSBryan O'Donoghue wcn36xx_smd_exit_imps(wcn); 4590e159d2cSBryan O'Donoghue } 4600e159d2cSBryan O'Donoghue 46139efc7ccSBjorn Andersson mutex_unlock(&wcn->conf_mutex); 46239efc7ccSBjorn Andersson 4638e84c258SEugene Krasnikov return 0; 4648e84c258SEugene Krasnikov } 4658e84c258SEugene Krasnikov 4668e84c258SEugene Krasnikov static void wcn36xx_configure_filter(struct ieee80211_hw *hw, 4678e84c258SEugene Krasnikov unsigned int changed, 4688e84c258SEugene Krasnikov unsigned int *total, u64 multicast) 4698e84c258SEugene Krasnikov { 47020a779edSPontus Fuchs struct wcn36xx_hal_rcv_flt_mc_addr_list_type *fp; 47120a779edSPontus Fuchs struct wcn36xx *wcn = hw->priv; 47220a779edSPontus Fuchs struct wcn36xx_vif *tmp; 47320a779edSPontus Fuchs struct ieee80211_vif *vif = NULL; 47420a779edSPontus Fuchs 4758e84c258SEugene Krasnikov wcn36xx_dbg(WCN36XX_DBG_MAC, "mac configure filter\n"); 4768e84c258SEugene Krasnikov 47739efc7ccSBjorn Andersson mutex_lock(&wcn->conf_mutex); 47839efc7ccSBjorn Andersson 47920a779edSPontus Fuchs *total &= FIF_ALLMULTI; 48020a779edSPontus Fuchs 48120a779edSPontus Fuchs fp = (void *)(unsigned long)multicast; 48220a779edSPontus Fuchs list_for_each_entry(tmp, &wcn->vif_list, list) { 48320a779edSPontus Fuchs vif = wcn36xx_priv_to_vif(tmp); 48420a779edSPontus Fuchs 48520a779edSPontus Fuchs /* FW handles MC filtering only when connected as STA */ 48620a779edSPontus Fuchs if (*total & FIF_ALLMULTI) 48720a779edSPontus Fuchs wcn36xx_smd_set_mc_list(wcn, vif, NULL); 48820a779edSPontus Fuchs else if (NL80211_IFTYPE_STATION == vif->type && tmp->sta_assoc) 48920a779edSPontus Fuchs wcn36xx_smd_set_mc_list(wcn, vif, fp); 49020a779edSPontus Fuchs } 49139efc7ccSBjorn Andersson 49239efc7ccSBjorn Andersson mutex_unlock(&wcn->conf_mutex); 49320a779edSPontus Fuchs kfree(fp); 49420a779edSPontus Fuchs } 49520a779edSPontus Fuchs 49620a779edSPontus Fuchs static u64 wcn36xx_prepare_multicast(struct ieee80211_hw *hw, 49720a779edSPontus Fuchs struct netdev_hw_addr_list *mc_list) 49820a779edSPontus Fuchs { 49920a779edSPontus Fuchs struct wcn36xx_hal_rcv_flt_mc_addr_list_type *fp; 50020a779edSPontus Fuchs struct netdev_hw_addr *ha; 50120a779edSPontus Fuchs 50220a779edSPontus Fuchs wcn36xx_dbg(WCN36XX_DBG_MAC, "mac prepare multicast list\n"); 50320a779edSPontus Fuchs fp = kzalloc(sizeof(*fp), GFP_ATOMIC); 50420a779edSPontus Fuchs if (!fp) { 50520a779edSPontus Fuchs wcn36xx_err("Out of memory setting filters.\n"); 50620a779edSPontus Fuchs return 0; 50720a779edSPontus Fuchs } 50820a779edSPontus Fuchs 50920a779edSPontus Fuchs fp->mc_addr_count = 0; 51020a779edSPontus Fuchs /* update multicast filtering parameters */ 51120a779edSPontus Fuchs if (netdev_hw_addr_list_count(mc_list) <= 51220a779edSPontus Fuchs WCN36XX_HAL_MAX_NUM_MULTICAST_ADDRESS) { 51320a779edSPontus Fuchs netdev_hw_addr_list_for_each(ha, mc_list) { 51420a779edSPontus Fuchs memcpy(fp->mc_addr[fp->mc_addr_count], 51520a779edSPontus Fuchs ha->addr, ETH_ALEN); 51620a779edSPontus Fuchs fp->mc_addr_count++; 51720a779edSPontus Fuchs } 51820a779edSPontus Fuchs } 51920a779edSPontus Fuchs 52020a779edSPontus Fuchs return (u64)(unsigned long)fp; 5218e84c258SEugene Krasnikov } 5228e84c258SEugene Krasnikov 5238e84c258SEugene Krasnikov static void wcn36xx_tx(struct ieee80211_hw *hw, 5248e84c258SEugene Krasnikov struct ieee80211_tx_control *control, 5258e84c258SEugene Krasnikov struct sk_buff *skb) 5268e84c258SEugene Krasnikov { 5278e84c258SEugene Krasnikov struct wcn36xx *wcn = hw->priv; 5288e84c258SEugene Krasnikov struct wcn36xx_sta *sta_priv = NULL; 5298e84c258SEugene Krasnikov 5308e84c258SEugene Krasnikov if (control->sta) 531a92e4696SPontus Fuchs sta_priv = wcn36xx_sta_to_priv(control->sta); 5328e84c258SEugene Krasnikov 5338e84c258SEugene Krasnikov if (wcn36xx_start_tx(wcn, sta_priv, skb)) 5348e84c258SEugene Krasnikov ieee80211_free_txskb(wcn->hw, skb); 5358e84c258SEugene Krasnikov } 5368e84c258SEugene Krasnikov 5378e84c258SEugene Krasnikov static int wcn36xx_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 5388e84c258SEugene Krasnikov struct ieee80211_vif *vif, 5398e84c258SEugene Krasnikov struct ieee80211_sta *sta, 5408e84c258SEugene Krasnikov struct ieee80211_key_conf *key_conf) 5418e84c258SEugene Krasnikov { 5428e84c258SEugene Krasnikov struct wcn36xx *wcn = hw->priv; 543ce75877fSPontus Fuchs struct wcn36xx_vif *vif_priv = wcn36xx_vif_to_priv(vif); 544216da128SLoic Poulain struct wcn36xx_sta *sta_priv = sta ? wcn36xx_sta_to_priv(sta) : NULL; 5458e84c258SEugene Krasnikov int ret = 0; 5468e84c258SEugene Krasnikov u8 key[WLAN_MAX_KEY_LEN]; 5478e84c258SEugene Krasnikov 5488e84c258SEugene Krasnikov wcn36xx_dbg(WCN36XX_DBG_MAC, "mac80211 set key\n"); 5498e84c258SEugene Krasnikov wcn36xx_dbg(WCN36XX_DBG_MAC, "Key: cmd=0x%x algo:0x%x, id:%d, len:%d flags 0x%x\n", 5508e84c258SEugene Krasnikov cmd, key_conf->cipher, key_conf->keyidx, 5518e84c258SEugene Krasnikov key_conf->keylen, key_conf->flags); 5528e84c258SEugene Krasnikov wcn36xx_dbg_dump(WCN36XX_DBG_MAC, "KEY: ", 5538e84c258SEugene Krasnikov key_conf->key, 5548e84c258SEugene Krasnikov key_conf->keylen); 5558e84c258SEugene Krasnikov 55639efc7ccSBjorn Andersson mutex_lock(&wcn->conf_mutex); 55739efc7ccSBjorn Andersson 5588e84c258SEugene Krasnikov switch (key_conf->cipher) { 5598e84c258SEugene Krasnikov case WLAN_CIPHER_SUITE_WEP40: 5608e84c258SEugene Krasnikov vif_priv->encrypt_type = WCN36XX_HAL_ED_WEP40; 5618e84c258SEugene Krasnikov break; 5628e84c258SEugene Krasnikov case WLAN_CIPHER_SUITE_WEP104: 56310db60b9SLoic Poulain vif_priv->encrypt_type = WCN36XX_HAL_ED_WEP104; 5648e84c258SEugene Krasnikov break; 5658e84c258SEugene Krasnikov case WLAN_CIPHER_SUITE_CCMP: 5668e84c258SEugene Krasnikov vif_priv->encrypt_type = WCN36XX_HAL_ED_CCMP; 5678e84c258SEugene Krasnikov break; 5688e84c258SEugene Krasnikov case WLAN_CIPHER_SUITE_TKIP: 5698e84c258SEugene Krasnikov vif_priv->encrypt_type = WCN36XX_HAL_ED_TKIP; 5708e84c258SEugene Krasnikov break; 5718e84c258SEugene Krasnikov default: 5728e84c258SEugene Krasnikov wcn36xx_err("Unsupported key type 0x%x\n", 5738e84c258SEugene Krasnikov key_conf->cipher); 5748e84c258SEugene Krasnikov ret = -EOPNOTSUPP; 5758e84c258SEugene Krasnikov goto out; 5768e84c258SEugene Krasnikov } 5778e84c258SEugene Krasnikov 5788e84c258SEugene Krasnikov switch (cmd) { 5798e84c258SEugene Krasnikov case SET_KEY: 5808e84c258SEugene Krasnikov if (WCN36XX_HAL_ED_TKIP == vif_priv->encrypt_type) { 5818e84c258SEugene Krasnikov /* 5828e84c258SEugene Krasnikov * Supplicant is sending key in the wrong order: 5838e84c258SEugene Krasnikov * Temporal Key (16 b) - TX MIC (8 b) - RX MIC (8 b) 5848e84c258SEugene Krasnikov * but HW expects it to be in the order as described in 5858e84c258SEugene Krasnikov * IEEE 802.11 spec (see chapter 11.7) like this: 5868e84c258SEugene Krasnikov * Temporal Key (16 b) - RX MIC (8 b) - TX MIC (8 b) 5878e84c258SEugene Krasnikov */ 5888e84c258SEugene Krasnikov memcpy(key, key_conf->key, 16); 5898e84c258SEugene Krasnikov memcpy(key + 16, key_conf->key + 24, 8); 5908e84c258SEugene Krasnikov memcpy(key + 24, key_conf->key + 16, 8); 5918e84c258SEugene Krasnikov } else { 5928e84c258SEugene Krasnikov memcpy(key, key_conf->key, key_conf->keylen); 5938e84c258SEugene Krasnikov } 5948e84c258SEugene Krasnikov 5958e84c258SEugene Krasnikov if (IEEE80211_KEY_FLAG_PAIRWISE & key_conf->flags) { 5968e84c258SEugene Krasnikov sta_priv->is_data_encrypted = true; 5978e84c258SEugene Krasnikov /* Reconfigure bss with encrypt_type */ 598701668d3SBryan O'Donoghue if (NL80211_IFTYPE_STATION == vif->type) { 5998e84c258SEugene Krasnikov wcn36xx_smd_config_bss(wcn, 6008e84c258SEugene Krasnikov vif, 6018e84c258SEugene Krasnikov sta, 6028e84c258SEugene Krasnikov sta->addr, 6038e84c258SEugene Krasnikov true); 604701668d3SBryan O'Donoghue wcn36xx_smd_config_sta(wcn, vif, sta); 605701668d3SBryan O'Donoghue } 6068e84c258SEugene Krasnikov 6078e84c258SEugene Krasnikov wcn36xx_smd_set_stakey(wcn, 6088e84c258SEugene Krasnikov vif_priv->encrypt_type, 6098e84c258SEugene Krasnikov key_conf->keyidx, 6108e84c258SEugene Krasnikov key_conf->keylen, 6118e84c258SEugene Krasnikov key, 6128e84c258SEugene Krasnikov get_sta_index(vif, sta_priv)); 6138e84c258SEugene Krasnikov } else { 6148e84c258SEugene Krasnikov wcn36xx_smd_set_bsskey(wcn, 6158e84c258SEugene Krasnikov vif_priv->encrypt_type, 6160fc8bb50SDaniel Mack vif_priv->bss_index, 6178e84c258SEugene Krasnikov key_conf->keyidx, 6188e84c258SEugene Krasnikov key_conf->keylen, 6198e84c258SEugene Krasnikov key); 620e3160542SLoic Poulain 6218e84c258SEugene Krasnikov if ((WLAN_CIPHER_SUITE_WEP40 == key_conf->cipher) || 6228e84c258SEugene Krasnikov (WLAN_CIPHER_SUITE_WEP104 == key_conf->cipher)) { 623216da128SLoic Poulain list_for_each_entry(sta_priv, 624216da128SLoic Poulain &vif_priv->sta_list, list) { 6258e84c258SEugene Krasnikov sta_priv->is_data_encrypted = true; 6268e84c258SEugene Krasnikov wcn36xx_smd_set_stakey(wcn, 6278e84c258SEugene Krasnikov vif_priv->encrypt_type, 6288e84c258SEugene Krasnikov key_conf->keyidx, 6298e84c258SEugene Krasnikov key_conf->keylen, 6308e84c258SEugene Krasnikov key, 6318e84c258SEugene Krasnikov get_sta_index(vif, sta_priv)); 6328e84c258SEugene Krasnikov } 6338e84c258SEugene Krasnikov } 634216da128SLoic Poulain } 6358e84c258SEugene Krasnikov break; 6368e84c258SEugene Krasnikov case DISABLE_KEY: 6378e84c258SEugene Krasnikov if (!(IEEE80211_KEY_FLAG_PAIRWISE & key_conf->flags)) { 6380fc8bb50SDaniel Mack if (vif_priv->bss_index != WCN36XX_HAL_BSS_INVALID_IDX) 6398e84c258SEugene Krasnikov wcn36xx_smd_remove_bsskey(wcn, 6408e84c258SEugene Krasnikov vif_priv->encrypt_type, 6410fc8bb50SDaniel Mack vif_priv->bss_index, 6428e84c258SEugene Krasnikov key_conf->keyidx); 6430fc8bb50SDaniel Mack 6440fc8bb50SDaniel Mack vif_priv->encrypt_type = WCN36XX_HAL_ED_NONE; 6458e84c258SEugene Krasnikov } else { 6468e84c258SEugene Krasnikov sta_priv->is_data_encrypted = false; 6478e84c258SEugene Krasnikov /* do not remove key if disassociated */ 6488e84c258SEugene Krasnikov if (sta_priv->aid) 6498e84c258SEugene Krasnikov wcn36xx_smd_remove_stakey(wcn, 6508e84c258SEugene Krasnikov vif_priv->encrypt_type, 6518e84c258SEugene Krasnikov key_conf->keyidx, 6528e84c258SEugene Krasnikov get_sta_index(vif, sta_priv)); 6538e84c258SEugene Krasnikov } 6548e84c258SEugene Krasnikov break; 6558e84c258SEugene Krasnikov default: 6568e84c258SEugene Krasnikov wcn36xx_err("Unsupported key cmd 0x%x\n", cmd); 6578e84c258SEugene Krasnikov ret = -EOPNOTSUPP; 6588e84c258SEugene Krasnikov goto out; 6598e84c258SEugene Krasnikov } 6608e84c258SEugene Krasnikov 6618e84c258SEugene Krasnikov out: 66239efc7ccSBjorn Andersson mutex_unlock(&wcn->conf_mutex); 66339efc7ccSBjorn Andersson 6648e84c258SEugene Krasnikov return ret; 6658e84c258SEugene Krasnikov } 6668e84c258SEugene Krasnikov 66788603903SBjorn Andersson static int wcn36xx_hw_scan(struct ieee80211_hw *hw, 66888603903SBjorn Andersson struct ieee80211_vif *vif, 66988603903SBjorn Andersson struct ieee80211_scan_request *hw_req) 6708e84c258SEugene Krasnikov { 6718e84c258SEugene Krasnikov struct wcn36xx *wcn = hw->priv; 6725973a294SLoic Poulain 6735973a294SLoic Poulain if (!get_feat_caps(wcn->fw_feat_caps, SCAN_OFFLOAD)) { 6745973a294SLoic Poulain /* fallback to mac80211 software scan */ 6755973a294SLoic Poulain return 1; 6765973a294SLoic Poulain } 6775973a294SLoic Poulain 6782371b15fSLoic Poulain /* Firmware scan offload is limited to 48 channels, fallback to 6792371b15fSLoic Poulain * software driven scanning otherwise. 6805973a294SLoic Poulain */ 6812371b15fSLoic Poulain if (hw_req->req.n_channels > 48) { 6822371b15fSLoic Poulain wcn36xx_warn("Offload scan aborted, n_channels=%u", 6832371b15fSLoic Poulain hw_req->req.n_channels); 6845973a294SLoic Poulain return 1; 6855973a294SLoic Poulain } 6865973a294SLoic Poulain 68788603903SBjorn Andersson mutex_lock(&wcn->scan_lock); 68888603903SBjorn Andersson if (wcn->scan_req) { 68988603903SBjorn Andersson mutex_unlock(&wcn->scan_lock); 69088603903SBjorn Andersson return -EBUSY; 69188603903SBjorn Andersson } 69203c95dbeSBjorn Andersson 69303c95dbeSBjorn Andersson wcn->scan_aborted = false; 69488603903SBjorn Andersson wcn->scan_req = &hw_req->req; 6952f3bef4bSLoic Poulain 69688603903SBjorn Andersson mutex_unlock(&wcn->scan_lock); 69788603903SBjorn Andersson 698d707f812SLoic Poulain wcn36xx_smd_update_channel_list(wcn, &hw_req->req); 6992f3bef4bSLoic Poulain return wcn36xx_smd_start_hw_scan(wcn, vif, &hw_req->req); 7002f3bef4bSLoic Poulain } 7012f3bef4bSLoic Poulain 70203c95dbeSBjorn Andersson static void wcn36xx_cancel_hw_scan(struct ieee80211_hw *hw, 70303c95dbeSBjorn Andersson struct ieee80211_vif *vif) 70403c95dbeSBjorn Andersson { 70503c95dbeSBjorn Andersson struct wcn36xx *wcn = hw->priv; 70603c95dbeSBjorn Andersson 70703c95dbeSBjorn Andersson mutex_lock(&wcn->scan_lock); 70803c95dbeSBjorn Andersson wcn->scan_aborted = true; 70903c95dbeSBjorn Andersson mutex_unlock(&wcn->scan_lock); 71003c95dbeSBjorn Andersson 71189722f57SDaniel Mack if (get_feat_caps(wcn->fw_feat_caps, SCAN_OFFLOAD)) { 71289722f57SDaniel Mack /* ieee80211_scan_completed will be called on FW scan 71389722f57SDaniel Mack * indication */ 7149bfd05e3SLoic Poulain wcn36xx_smd_stop_hw_scan(wcn); 71589722f57SDaniel Mack } 71603c95dbeSBjorn Andersson } 71703c95dbeSBjorn Andersson 7185973a294SLoic Poulain static void wcn36xx_sw_scan_start(struct ieee80211_hw *hw, 7195973a294SLoic Poulain struct ieee80211_vif *vif, 7205973a294SLoic Poulain const u8 *mac_addr) 7215973a294SLoic Poulain { 7225973a294SLoic Poulain struct wcn36xx *wcn = hw->priv; 7235973a294SLoic Poulain struct wcn36xx_vif *vif_priv = wcn36xx_vif_to_priv(vif); 7245973a294SLoic Poulain 725df008741SBenjamin Li wcn36xx_dbg(WCN36XX_DBG_MAC, "sw_scan_start"); 726df008741SBenjamin Li 7275973a294SLoic Poulain wcn->sw_scan = true; 7285973a294SLoic Poulain wcn->sw_scan_vif = vif; 729d195d7aaSJoseph Gates wcn->sw_scan_channel = 0; 7305973a294SLoic Poulain if (vif_priv->sta_assoc) 7315973a294SLoic Poulain wcn->sw_scan_opchannel = WCN36XX_HW_CHANNEL(wcn); 7325973a294SLoic Poulain else 7335973a294SLoic Poulain wcn->sw_scan_opchannel = 0; 7345973a294SLoic Poulain } 7355973a294SLoic Poulain 7365973a294SLoic Poulain static void wcn36xx_sw_scan_complete(struct ieee80211_hw *hw, 7375973a294SLoic Poulain struct ieee80211_vif *vif) 7385973a294SLoic Poulain { 7395973a294SLoic Poulain struct wcn36xx *wcn = hw->priv; 7405973a294SLoic Poulain 741df008741SBenjamin Li wcn36xx_dbg(WCN36XX_DBG_MAC, "sw_scan_complete"); 742df008741SBenjamin Li 7435973a294SLoic Poulain /* ensure that any scan session is finished */ 7448f1ba8b0SBenjamin Li if (wcn->sw_scan_channel) 7458f1ba8b0SBenjamin Li wcn36xx_smd_end_scan(wcn, wcn->sw_scan_channel); 7468f1ba8b0SBenjamin Li if (wcn->sw_scan_init) { 7478f1ba8b0SBenjamin Li wcn36xx_smd_finish_scan(wcn, HAL_SYS_MODE_SCAN, 7488f1ba8b0SBenjamin Li wcn->sw_scan_vif); 7498f1ba8b0SBenjamin Li } 7505973a294SLoic Poulain wcn->sw_scan = false; 7515973a294SLoic Poulain wcn->sw_scan_opchannel = 0; 7525973a294SLoic Poulain } 7535973a294SLoic Poulain 7548e84c258SEugene Krasnikov static void wcn36xx_update_allowed_rates(struct ieee80211_sta *sta, 75557fbcce3SJohannes Berg enum nl80211_band band) 7568e84c258SEugene Krasnikov { 7578e84c258SEugene Krasnikov int i, size; 7588e84c258SEugene Krasnikov u16 *rates_table; 759a92e4696SPontus Fuchs struct wcn36xx_sta *sta_priv = wcn36xx_sta_to_priv(sta); 7608e84c258SEugene Krasnikov u32 rates = sta->supp_rates[band]; 7618e84c258SEugene Krasnikov 7628e84c258SEugene Krasnikov memset(&sta_priv->supported_rates, 0, 7638e84c258SEugene Krasnikov sizeof(sta_priv->supported_rates)); 7648e84c258SEugene Krasnikov sta_priv->supported_rates.op_rate_mode = STA_11n; 7658e84c258SEugene Krasnikov 7668e84c258SEugene Krasnikov size = ARRAY_SIZE(sta_priv->supported_rates.dsss_rates); 7678e84c258SEugene Krasnikov rates_table = sta_priv->supported_rates.dsss_rates; 76857fbcce3SJohannes Berg if (band == NL80211_BAND_2GHZ) { 7698e84c258SEugene Krasnikov for (i = 0; i < size; i++) { 7708e84c258SEugene Krasnikov if (rates & 0x01) { 7718e84c258SEugene Krasnikov rates_table[i] = wcn_2ghz_rates[i].hw_value; 7728e84c258SEugene Krasnikov rates = rates >> 1; 7738e84c258SEugene Krasnikov } 7748e84c258SEugene Krasnikov } 7758e84c258SEugene Krasnikov } 7768e84c258SEugene Krasnikov 7778e84c258SEugene Krasnikov size = ARRAY_SIZE(sta_priv->supported_rates.ofdm_rates); 7788e84c258SEugene Krasnikov rates_table = sta_priv->supported_rates.ofdm_rates; 7798e84c258SEugene Krasnikov for (i = 0; i < size; i++) { 7808e84c258SEugene Krasnikov if (rates & 0x01) { 7818e84c258SEugene Krasnikov rates_table[i] = wcn_5ghz_rates[i].hw_value; 7828e84c258SEugene Krasnikov rates = rates >> 1; 7838e84c258SEugene Krasnikov } 7848e84c258SEugene Krasnikov } 7858e84c258SEugene Krasnikov 7868e84c258SEugene Krasnikov if (sta->ht_cap.ht_supported) { 7878e84c258SEugene Krasnikov BUILD_BUG_ON(sizeof(sta->ht_cap.mcs.rx_mask) > 7888e84c258SEugene Krasnikov sizeof(sta_priv->supported_rates.supported_mcs_set)); 7898e84c258SEugene Krasnikov memcpy(sta_priv->supported_rates.supported_mcs_set, 7908e84c258SEugene Krasnikov sta->ht_cap.mcs.rx_mask, 7918e84c258SEugene Krasnikov sizeof(sta->ht_cap.mcs.rx_mask)); 7928e84c258SEugene Krasnikov } 79387d3f1f3SBryan O'Donoghue 79487d3f1f3SBryan O'Donoghue if (sta->vht_cap.vht_supported) { 79587d3f1f3SBryan O'Donoghue sta_priv->supported_rates.op_rate_mode = STA_11ac; 79687d3f1f3SBryan O'Donoghue sta_priv->supported_rates.vht_rx_mcs_map = 79787d3f1f3SBryan O'Donoghue sta->vht_cap.vht_mcs.rx_mcs_map; 79887d3f1f3SBryan O'Donoghue sta_priv->supported_rates.vht_tx_mcs_map = 79987d3f1f3SBryan O'Donoghue sta->vht_cap.vht_mcs.tx_mcs_map; 80087d3f1f3SBryan O'Donoghue } 8018e84c258SEugene Krasnikov } 80221409151SBryan O'Donoghue 8038e84c258SEugene Krasnikov void wcn36xx_set_default_rates(struct wcn36xx_hal_supported_rates *rates) 8048e84c258SEugene Krasnikov { 8058e84c258SEugene Krasnikov u16 ofdm_rates[WCN36XX_HAL_NUM_OFDM_RATES] = { 8068e84c258SEugene Krasnikov HW_RATE_INDEX_6MBPS, 8078e84c258SEugene Krasnikov HW_RATE_INDEX_9MBPS, 8088e84c258SEugene Krasnikov HW_RATE_INDEX_12MBPS, 8098e84c258SEugene Krasnikov HW_RATE_INDEX_18MBPS, 8108e84c258SEugene Krasnikov HW_RATE_INDEX_24MBPS, 8118e84c258SEugene Krasnikov HW_RATE_INDEX_36MBPS, 8128e84c258SEugene Krasnikov HW_RATE_INDEX_48MBPS, 8138e84c258SEugene Krasnikov HW_RATE_INDEX_54MBPS 8148e84c258SEugene Krasnikov }; 8158e84c258SEugene Krasnikov u16 dsss_rates[WCN36XX_HAL_NUM_DSSS_RATES] = { 8168e84c258SEugene Krasnikov HW_RATE_INDEX_1MBPS, 8178e84c258SEugene Krasnikov HW_RATE_INDEX_2MBPS, 8188e84c258SEugene Krasnikov HW_RATE_INDEX_5_5MBPS, 8198e84c258SEugene Krasnikov HW_RATE_INDEX_11MBPS 8208e84c258SEugene Krasnikov }; 8218e84c258SEugene Krasnikov 8228e84c258SEugene Krasnikov rates->op_rate_mode = STA_11n; 8238e84c258SEugene Krasnikov memcpy(rates->dsss_rates, dsss_rates, 8248e84c258SEugene Krasnikov sizeof(*dsss_rates) * WCN36XX_HAL_NUM_DSSS_RATES); 8258e84c258SEugene Krasnikov memcpy(rates->ofdm_rates, ofdm_rates, 8268e84c258SEugene Krasnikov sizeof(*ofdm_rates) * WCN36XX_HAL_NUM_OFDM_RATES); 8278e84c258SEugene Krasnikov rates->supported_mcs_set[0] = 0xFF; 8288e84c258SEugene Krasnikov } 829c84515bdSBryan O'Donoghue 830c84515bdSBryan O'Donoghue void wcn36xx_set_default_rates_v1(struct wcn36xx_hal_supported_rates_v1 *rates) 831c84515bdSBryan O'Donoghue { 832c84515bdSBryan O'Donoghue rates->op_rate_mode = STA_11ac; 833c84515bdSBryan O'Donoghue rates->vht_rx_mcs_map = IEEE80211_VHT_MCS_SUPPORT_0_9; 834c84515bdSBryan O'Donoghue rates->vht_tx_mcs_map = IEEE80211_VHT_MCS_SUPPORT_0_9; 835c84515bdSBryan O'Donoghue } 836c84515bdSBryan O'Donoghue 8378e84c258SEugene Krasnikov static void wcn36xx_bss_info_changed(struct ieee80211_hw *hw, 8388e84c258SEugene Krasnikov struct ieee80211_vif *vif, 8398e84c258SEugene Krasnikov struct ieee80211_bss_conf *bss_conf, 8408e84c258SEugene Krasnikov u32 changed) 8418e84c258SEugene Krasnikov { 8428e84c258SEugene Krasnikov struct wcn36xx *wcn = hw->priv; 8438e84c258SEugene Krasnikov struct sk_buff *skb = NULL; 8448e84c258SEugene Krasnikov u16 tim_off, tim_len; 8458e84c258SEugene Krasnikov enum wcn36xx_hal_link_state link_state; 846ce75877fSPontus Fuchs struct wcn36xx_vif *vif_priv = wcn36xx_vif_to_priv(vif); 8478e84c258SEugene Krasnikov 8488e84c258SEugene Krasnikov wcn36xx_dbg(WCN36XX_DBG_MAC, "mac bss info changed vif %p changed 0x%08x\n", 8498e84c258SEugene Krasnikov vif, changed); 8508e84c258SEugene Krasnikov 85139efc7ccSBjorn Andersson mutex_lock(&wcn->conf_mutex); 85239efc7ccSBjorn Andersson 8538e84c258SEugene Krasnikov if (changed & BSS_CHANGED_BEACON_INFO) { 8548e84c258SEugene Krasnikov wcn36xx_dbg(WCN36XX_DBG_MAC, 8558e84c258SEugene Krasnikov "mac bss changed dtim period %d\n", 8568e84c258SEugene Krasnikov bss_conf->dtim_period); 8578e84c258SEugene Krasnikov 8588e84c258SEugene Krasnikov vif_priv->dtim_period = bss_conf->dtim_period; 8598e84c258SEugene Krasnikov } 8608e84c258SEugene Krasnikov 8618e84c258SEugene Krasnikov if (changed & BSS_CHANGED_BSSID) { 8628e84c258SEugene Krasnikov wcn36xx_dbg(WCN36XX_DBG_MAC, "mac bss changed_bssid %pM\n", 8638e84c258SEugene Krasnikov bss_conf->bssid); 8648e84c258SEugene Krasnikov 8658e84c258SEugene Krasnikov if (!is_zero_ether_addr(bss_conf->bssid)) { 8668e84c258SEugene Krasnikov vif_priv->is_joining = true; 86790023c03SPontus Fuchs vif_priv->bss_index = WCN36XX_HAL_BSS_INVALID_IDX; 8682a46c829SDaniel Mack wcn36xx_smd_set_link_st(wcn, bss_conf->bssid, vif->addr, 8692a46c829SDaniel Mack WCN36XX_HAL_LINK_PREASSOC_STATE); 8708e84c258SEugene Krasnikov wcn36xx_smd_join(wcn, bss_conf->bssid, 8718e84c258SEugene Krasnikov vif->addr, WCN36XX_HW_CHANNEL(wcn)); 8728e84c258SEugene Krasnikov wcn36xx_smd_config_bss(wcn, vif, NULL, 8738e84c258SEugene Krasnikov bss_conf->bssid, false); 8748e84c258SEugene Krasnikov } else { 8758e84c258SEugene Krasnikov vif_priv->is_joining = false; 8768e84c258SEugene Krasnikov wcn36xx_smd_delete_bss(wcn, vif); 8772a46c829SDaniel Mack wcn36xx_smd_set_link_st(wcn, bss_conf->bssid, vif->addr, 8782a46c829SDaniel Mack WCN36XX_HAL_LINK_IDLE_STATE); 8792716a8acSPontus Fuchs vif_priv->encrypt_type = WCN36XX_HAL_ED_NONE; 8808e84c258SEugene Krasnikov } 8818e84c258SEugene Krasnikov } 8828e84c258SEugene Krasnikov 8838e84c258SEugene Krasnikov if (changed & BSS_CHANGED_SSID) { 8848e84c258SEugene Krasnikov wcn36xx_dbg(WCN36XX_DBG_MAC, 8858e84c258SEugene Krasnikov "mac bss changed ssid\n"); 8868e84c258SEugene Krasnikov wcn36xx_dbg_dump(WCN36XX_DBG_MAC, "ssid ", 8878e84c258SEugene Krasnikov bss_conf->ssid, bss_conf->ssid_len); 8888e84c258SEugene Krasnikov 8898e84c258SEugene Krasnikov vif_priv->ssid.length = bss_conf->ssid_len; 8908e84c258SEugene Krasnikov memcpy(&vif_priv->ssid.ssid, 8918e84c258SEugene Krasnikov bss_conf->ssid, 8928e84c258SEugene Krasnikov bss_conf->ssid_len); 8938e84c258SEugene Krasnikov } 8948e84c258SEugene Krasnikov 8958e84c258SEugene Krasnikov if (changed & BSS_CHANGED_ASSOC) { 8968e84c258SEugene Krasnikov vif_priv->is_joining = false; 8978e84c258SEugene Krasnikov if (bss_conf->assoc) { 8988e84c258SEugene Krasnikov struct ieee80211_sta *sta; 8998e84c258SEugene Krasnikov struct wcn36xx_sta *sta_priv; 9008e84c258SEugene Krasnikov 9018e84c258SEugene Krasnikov wcn36xx_dbg(WCN36XX_DBG_MAC, 9028e84c258SEugene Krasnikov "mac assoc bss %pM vif %pM AID=%d\n", 9038e84c258SEugene Krasnikov bss_conf->bssid, 9048e84c258SEugene Krasnikov vif->addr, 9058e84c258SEugene Krasnikov bss_conf->aid); 9068e84c258SEugene Krasnikov 907043ce546SPontus Fuchs vif_priv->sta_assoc = true; 90839efc7ccSBjorn Andersson 90939efc7ccSBjorn Andersson /* 91039efc7ccSBjorn Andersson * Holding conf_mutex ensures mutal exclusion with 91139efc7ccSBjorn Andersson * wcn36xx_sta_remove() and as such ensures that sta 91239efc7ccSBjorn Andersson * won't be freed while we're operating on it. As such 91339efc7ccSBjorn Andersson * we do not need to hold the rcu_read_lock(). 91439efc7ccSBjorn Andersson */ 9158e84c258SEugene Krasnikov sta = ieee80211_find_sta(vif, bss_conf->bssid); 9168e84c258SEugene Krasnikov if (!sta) { 9178e84c258SEugene Krasnikov wcn36xx_err("sta %pM is not found\n", 9188e84c258SEugene Krasnikov bss_conf->bssid); 9198e84c258SEugene Krasnikov goto out; 9208e84c258SEugene Krasnikov } 921a92e4696SPontus Fuchs sta_priv = wcn36xx_sta_to_priv(sta); 9228e84c258SEugene Krasnikov 9238e84c258SEugene Krasnikov wcn36xx_update_allowed_rates(sta, WCN36XX_BAND(wcn)); 9248e84c258SEugene Krasnikov 9258e84c258SEugene Krasnikov wcn36xx_smd_set_link_st(wcn, bss_conf->bssid, 9268e84c258SEugene Krasnikov vif->addr, 9278e84c258SEugene Krasnikov WCN36XX_HAL_LINK_POSTASSOC_STATE); 9288e84c258SEugene Krasnikov wcn36xx_smd_config_bss(wcn, vif, sta, 9298e84c258SEugene Krasnikov bss_conf->bssid, 9308e84c258SEugene Krasnikov true); 9318e84c258SEugene Krasnikov sta_priv->aid = bss_conf->aid; 9328e84c258SEugene Krasnikov /* 9338e84c258SEugene Krasnikov * config_sta must be called from because this is the 9348e84c258SEugene Krasnikov * place where AID is available. 9358e84c258SEugene Krasnikov */ 9368e84c258SEugene Krasnikov wcn36xx_smd_config_sta(wcn, vif, sta); 937*bebd87eeSBryan O'Donoghue if (vif->type == NL80211_IFTYPE_STATION) 938*bebd87eeSBryan O'Donoghue wcn36xx_smd_add_beacon_filter(wcn, vif); 9395336fad9SBryan O'Donoghue wcn36xx_enable_keep_alive_null_packet(wcn, vif); 9408e84c258SEugene Krasnikov } else { 9418e84c258SEugene Krasnikov wcn36xx_dbg(WCN36XX_DBG_MAC, 9428e84c258SEugene Krasnikov "disassociated bss %pM vif %pM AID=%d\n", 9438e84c258SEugene Krasnikov bss_conf->bssid, 9448e84c258SEugene Krasnikov vif->addr, 9458e84c258SEugene Krasnikov bss_conf->aid); 946043ce546SPontus Fuchs vif_priv->sta_assoc = false; 9478e84c258SEugene Krasnikov wcn36xx_smd_set_link_st(wcn, 9488e84c258SEugene Krasnikov bss_conf->bssid, 9498e84c258SEugene Krasnikov vif->addr, 9508e84c258SEugene Krasnikov WCN36XX_HAL_LINK_IDLE_STATE); 9518e84c258SEugene Krasnikov } 9528e84c258SEugene Krasnikov } 9538e84c258SEugene Krasnikov 9548e84c258SEugene Krasnikov if (changed & BSS_CHANGED_AP_PROBE_RESP) { 9558e84c258SEugene Krasnikov wcn36xx_dbg(WCN36XX_DBG_MAC, "mac bss changed ap probe resp\n"); 9568e84c258SEugene Krasnikov skb = ieee80211_proberesp_get(hw, vif); 9578e84c258SEugene Krasnikov if (!skb) { 9588e84c258SEugene Krasnikov wcn36xx_err("failed to alloc probereq skb\n"); 9598e84c258SEugene Krasnikov goto out; 9608e84c258SEugene Krasnikov } 9618e84c258SEugene Krasnikov 9628e84c258SEugene Krasnikov wcn36xx_smd_update_proberesp_tmpl(wcn, vif, skb); 9638e84c258SEugene Krasnikov dev_kfree_skb(skb); 9648e84c258SEugene Krasnikov } 9658e84c258SEugene Krasnikov 966b3e3f871SChun-Yeow Yeoh if (changed & BSS_CHANGED_BEACON_ENABLED || 967b3e3f871SChun-Yeow Yeoh changed & BSS_CHANGED_BEACON) { 9688e84c258SEugene Krasnikov wcn36xx_dbg(WCN36XX_DBG_MAC, 9698e84c258SEugene Krasnikov "mac bss changed beacon enabled %d\n", 9708e84c258SEugene Krasnikov bss_conf->enable_beacon); 9718e84c258SEugene Krasnikov 9728e84c258SEugene Krasnikov if (bss_conf->enable_beacon) { 973908628dbSPontus Fuchs vif_priv->dtim_period = bss_conf->dtim_period; 97490023c03SPontus Fuchs vif_priv->bss_index = WCN36XX_HAL_BSS_INVALID_IDX; 9758e84c258SEugene Krasnikov wcn36xx_smd_config_bss(wcn, vif, NULL, 9768e84c258SEugene Krasnikov vif->addr, false); 9778e84c258SEugene Krasnikov skb = ieee80211_beacon_get_tim(hw, vif, &tim_off, 9788e84c258SEugene Krasnikov &tim_len); 9798e84c258SEugene Krasnikov if (!skb) { 9808e84c258SEugene Krasnikov wcn36xx_err("failed to alloc beacon skb\n"); 9818e84c258SEugene Krasnikov goto out; 9828e84c258SEugene Krasnikov } 9838e84c258SEugene Krasnikov wcn36xx_smd_send_beacon(wcn, vif, skb, tim_off, 0); 9848e84c258SEugene Krasnikov dev_kfree_skb(skb); 9858e84c258SEugene Krasnikov 9868e84c258SEugene Krasnikov if (vif->type == NL80211_IFTYPE_ADHOC || 9878e84c258SEugene Krasnikov vif->type == NL80211_IFTYPE_MESH_POINT) 9888e84c258SEugene Krasnikov link_state = WCN36XX_HAL_LINK_IBSS_STATE; 9898e84c258SEugene Krasnikov else 9908e84c258SEugene Krasnikov link_state = WCN36XX_HAL_LINK_AP_STATE; 9918e84c258SEugene Krasnikov 9928e84c258SEugene Krasnikov wcn36xx_smd_set_link_st(wcn, vif->addr, vif->addr, 9938e84c258SEugene Krasnikov link_state); 9948e84c258SEugene Krasnikov } else { 9955443918dSBjorn Andersson wcn36xx_smd_delete_bss(wcn, vif); 9968e84c258SEugene Krasnikov wcn36xx_smd_set_link_st(wcn, vif->addr, vif->addr, 9978e84c258SEugene Krasnikov WCN36XX_HAL_LINK_IDLE_STATE); 9988e84c258SEugene Krasnikov } 9998e84c258SEugene Krasnikov } 10008e84c258SEugene Krasnikov out: 100139efc7ccSBjorn Andersson 100239efc7ccSBjorn Andersson mutex_unlock(&wcn->conf_mutex); 10038e84c258SEugene Krasnikov } 10048e84c258SEugene Krasnikov 10058e84c258SEugene Krasnikov /* this is required when using IEEE80211_HW_HAS_RATE_CONTROL */ 10068e84c258SEugene Krasnikov static int wcn36xx_set_rts_threshold(struct ieee80211_hw *hw, u32 value) 10078e84c258SEugene Krasnikov { 10088e84c258SEugene Krasnikov struct wcn36xx *wcn = hw->priv; 10098e84c258SEugene Krasnikov wcn36xx_dbg(WCN36XX_DBG_MAC, "mac set RTS threshold %d\n", value); 10108e84c258SEugene Krasnikov 101139efc7ccSBjorn Andersson mutex_lock(&wcn->conf_mutex); 10128e84c258SEugene Krasnikov wcn36xx_smd_update_cfg(wcn, WCN36XX_HAL_CFG_RTS_THRESHOLD, value); 101339efc7ccSBjorn Andersson mutex_unlock(&wcn->conf_mutex); 101439efc7ccSBjorn Andersson 10158e84c258SEugene Krasnikov return 0; 10168e84c258SEugene Krasnikov } 10178e84c258SEugene Krasnikov 10188e84c258SEugene Krasnikov static void wcn36xx_remove_interface(struct ieee80211_hw *hw, 10198e84c258SEugene Krasnikov struct ieee80211_vif *vif) 10208e84c258SEugene Krasnikov { 10218e84c258SEugene Krasnikov struct wcn36xx *wcn = hw->priv; 1022ce75877fSPontus Fuchs struct wcn36xx_vif *vif_priv = wcn36xx_vif_to_priv(vif); 10238e84c258SEugene Krasnikov wcn36xx_dbg(WCN36XX_DBG_MAC, "mac remove interface vif %p\n", vif); 10248e84c258SEugene Krasnikov 102539efc7ccSBjorn Andersson mutex_lock(&wcn->conf_mutex); 102639efc7ccSBjorn Andersson 10278e84c258SEugene Krasnikov list_del(&vif_priv->list); 10288e84c258SEugene Krasnikov wcn36xx_smd_delete_sta_self(wcn, vif->addr); 102939efc7ccSBjorn Andersson 103039efc7ccSBjorn Andersson mutex_unlock(&wcn->conf_mutex); 10318e84c258SEugene Krasnikov } 10328e84c258SEugene Krasnikov 10338e84c258SEugene Krasnikov static int wcn36xx_add_interface(struct ieee80211_hw *hw, 10348e84c258SEugene Krasnikov struct ieee80211_vif *vif) 10358e84c258SEugene Krasnikov { 10368e84c258SEugene Krasnikov struct wcn36xx *wcn = hw->priv; 1037ce75877fSPontus Fuchs struct wcn36xx_vif *vif_priv = wcn36xx_vif_to_priv(vif); 10388e84c258SEugene Krasnikov 10398e84c258SEugene Krasnikov wcn36xx_dbg(WCN36XX_DBG_MAC, "mac add interface vif %p type %d\n", 10408e84c258SEugene Krasnikov vif, vif->type); 10418e84c258SEugene Krasnikov 10428e84c258SEugene Krasnikov if (!(NL80211_IFTYPE_STATION == vif->type || 10438e84c258SEugene Krasnikov NL80211_IFTYPE_AP == vif->type || 10448e84c258SEugene Krasnikov NL80211_IFTYPE_ADHOC == vif->type || 10458e84c258SEugene Krasnikov NL80211_IFTYPE_MESH_POINT == vif->type)) { 10468e84c258SEugene Krasnikov wcn36xx_warn("Unsupported interface type requested: %d\n", 10478e84c258SEugene Krasnikov vif->type); 10488e84c258SEugene Krasnikov return -EOPNOTSUPP; 10498e84c258SEugene Krasnikov } 10508e84c258SEugene Krasnikov 105139efc7ccSBjorn Andersson mutex_lock(&wcn->conf_mutex); 105239efc7ccSBjorn Andersson 10532edfcf2bSDaniel Mack vif_priv->bss_index = WCN36XX_HAL_BSS_INVALID_IDX; 1054e3160542SLoic Poulain INIT_LIST_HEAD(&vif_priv->sta_list); 10558e84c258SEugene Krasnikov list_add(&vif_priv->list, &wcn->vif_list); 10568e84c258SEugene Krasnikov wcn36xx_smd_add_sta_self(wcn, vif); 10578e84c258SEugene Krasnikov 105839efc7ccSBjorn Andersson mutex_unlock(&wcn->conf_mutex); 105939efc7ccSBjorn Andersson 10608e84c258SEugene Krasnikov return 0; 10618e84c258SEugene Krasnikov } 10628e84c258SEugene Krasnikov 10638e84c258SEugene Krasnikov static int wcn36xx_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 10648e84c258SEugene Krasnikov struct ieee80211_sta *sta) 10658e84c258SEugene Krasnikov { 10668e84c258SEugene Krasnikov struct wcn36xx *wcn = hw->priv; 1067ce75877fSPontus Fuchs struct wcn36xx_vif *vif_priv = wcn36xx_vif_to_priv(vif); 1068a92e4696SPontus Fuchs struct wcn36xx_sta *sta_priv = wcn36xx_sta_to_priv(sta); 10698e84c258SEugene Krasnikov wcn36xx_dbg(WCN36XX_DBG_MAC, "mac sta add vif %p sta %pM\n", 10708e84c258SEugene Krasnikov vif, sta->addr); 10718e84c258SEugene Krasnikov 107239efc7ccSBjorn Andersson mutex_lock(&wcn->conf_mutex); 107339efc7ccSBjorn Andersson 1074e26dc173SBob Copeland spin_lock_init(&sta_priv->ampdu_lock); 10758e84c258SEugene Krasnikov sta_priv->vif = vif_priv; 1076e3160542SLoic Poulain list_add(&sta_priv->list, &vif_priv->sta_list); 1077e3160542SLoic Poulain 10788e84c258SEugene Krasnikov /* 10798e84c258SEugene Krasnikov * For STA mode HW will be configured on BSS_CHANGED_ASSOC because 10808e84c258SEugene Krasnikov * at this stage AID is not available yet. 10818e84c258SEugene Krasnikov */ 10828e84c258SEugene Krasnikov if (NL80211_IFTYPE_STATION != vif->type) { 10838e84c258SEugene Krasnikov wcn36xx_update_allowed_rates(sta, WCN36XX_BAND(wcn)); 10848e84c258SEugene Krasnikov sta_priv->aid = sta->aid; 10858e84c258SEugene Krasnikov wcn36xx_smd_config_sta(wcn, vif, sta); 10868e84c258SEugene Krasnikov } 108739efc7ccSBjorn Andersson 108839efc7ccSBjorn Andersson mutex_unlock(&wcn->conf_mutex); 108939efc7ccSBjorn Andersson 10908e84c258SEugene Krasnikov return 0; 10918e84c258SEugene Krasnikov } 10928e84c258SEugene Krasnikov 10938e84c258SEugene Krasnikov static int wcn36xx_sta_remove(struct ieee80211_hw *hw, 10948e84c258SEugene Krasnikov struct ieee80211_vif *vif, 10958e84c258SEugene Krasnikov struct ieee80211_sta *sta) 10968e84c258SEugene Krasnikov { 10978e84c258SEugene Krasnikov struct wcn36xx *wcn = hw->priv; 1098a92e4696SPontus Fuchs struct wcn36xx_sta *sta_priv = wcn36xx_sta_to_priv(sta); 10998e84c258SEugene Krasnikov 11008e84c258SEugene Krasnikov wcn36xx_dbg(WCN36XX_DBG_MAC, "mac sta remove vif %p sta %pM index %d\n", 11018e84c258SEugene Krasnikov vif, sta->addr, sta_priv->sta_index); 11028e84c258SEugene Krasnikov 110339efc7ccSBjorn Andersson mutex_lock(&wcn->conf_mutex); 110439efc7ccSBjorn Andersson 1105e3160542SLoic Poulain list_del(&sta_priv->list); 11068e84c258SEugene Krasnikov wcn36xx_smd_delete_sta(wcn, sta_priv->sta_index); 11078e84c258SEugene Krasnikov sta_priv->vif = NULL; 110839efc7ccSBjorn Andersson 110939efc7ccSBjorn Andersson mutex_unlock(&wcn->conf_mutex); 111039efc7ccSBjorn Andersson 11118e84c258SEugene Krasnikov return 0; 11128e84c258SEugene Krasnikov } 11138e84c258SEugene Krasnikov 11148e84c258SEugene Krasnikov #ifdef CONFIG_PM 11158e84c258SEugene Krasnikov 1116f2f49601SBryan O'Donoghue static struct ieee80211_vif *wcn36xx_get_first_assoc_vif(struct wcn36xx *wcn) 1117f2f49601SBryan O'Donoghue { 1118f2f49601SBryan O'Donoghue struct wcn36xx_vif *vif_priv = NULL; 1119f2f49601SBryan O'Donoghue struct ieee80211_vif *vif = NULL; 1120f2f49601SBryan O'Donoghue 1121f2f49601SBryan O'Donoghue list_for_each_entry(vif_priv, &wcn->vif_list, list) { 1122f2f49601SBryan O'Donoghue if (vif_priv->sta_assoc) { 1123f2f49601SBryan O'Donoghue vif = wcn36xx_priv_to_vif(vif_priv); 1124f2f49601SBryan O'Donoghue break; 1125f2f49601SBryan O'Donoghue } 1126f2f49601SBryan O'Donoghue } 1127f2f49601SBryan O'Donoghue return vif; 1128f2f49601SBryan O'Donoghue } 1129f2f49601SBryan O'Donoghue 11308e84c258SEugene Krasnikov static int wcn36xx_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wow) 11318e84c258SEugene Krasnikov { 11328e84c258SEugene Krasnikov struct wcn36xx *wcn = hw->priv; 1133f2f49601SBryan O'Donoghue struct ieee80211_vif *vif = NULL; 1134f2f49601SBryan O'Donoghue int ret = 0; 11358e84c258SEugene Krasnikov 11368e84c258SEugene Krasnikov wcn36xx_dbg(WCN36XX_DBG_MAC, "mac suspend\n"); 11378e84c258SEugene Krasnikov 1138f2f49601SBryan O'Donoghue mutex_lock(&wcn->conf_mutex); 1139ba4e9673SBryan O'Donoghue 11405478c41fSBryan O'Donoghue vif = wcn36xx_get_first_assoc_vif(wcn); 11415478c41fSBryan O'Donoghue if (vif) { 11425478c41fSBryan O'Donoghue ret = wcn36xx_smd_arp_offload(wcn, vif, true); 11435478c41fSBryan O'Donoghue if (ret) 11445478c41fSBryan O'Donoghue goto out; 11451456223cSBryan O'Donoghue ret = wcn36xx_smd_ipv6_ns_offload(wcn, vif, true); 11461456223cSBryan O'Donoghue if (ret) 11471456223cSBryan O'Donoghue goto out; 11486693f767SBryan O'Donoghue ret = wcn36xx_smd_gtk_offload(wcn, vif, true); 11496693f767SBryan O'Donoghue if (ret) 11506693f767SBryan O'Donoghue goto out; 11515478c41fSBryan O'Donoghue ret = wcn36xx_smd_set_power_params(wcn, true); 115260f0078bSBryan O'Donoghue if (ret) 115360f0078bSBryan O'Donoghue goto out; 115460f0078bSBryan O'Donoghue ret = wcn36xx_smd_wlan_host_suspend_ind(wcn); 11555478c41fSBryan O'Donoghue } 1156df069780SLoic Poulain 1157df069780SLoic Poulain /* Disable IRQ, we don't want to handle any packet before mac80211 is 1158df069780SLoic Poulain * resumed and ready to receive packets. 1159df069780SLoic Poulain */ 1160df069780SLoic Poulain disable_irq(wcn->tx_irq); 1161df069780SLoic Poulain disable_irq(wcn->rx_irq); 1162df069780SLoic Poulain 11635478c41fSBryan O'Donoghue out: 11645478c41fSBryan O'Donoghue mutex_unlock(&wcn->conf_mutex); 1165ba4e9673SBryan O'Donoghue return ret; 11668e84c258SEugene Krasnikov } 11678e84c258SEugene Krasnikov 11688e84c258SEugene Krasnikov static int wcn36xx_resume(struct ieee80211_hw *hw) 11698e84c258SEugene Krasnikov { 11708e84c258SEugene Krasnikov struct wcn36xx *wcn = hw->priv; 1171f2f49601SBryan O'Donoghue struct ieee80211_vif *vif = NULL; 11728e84c258SEugene Krasnikov 11738e84c258SEugene Krasnikov wcn36xx_dbg(WCN36XX_DBG_MAC, "mac resume\n"); 11748e84c258SEugene Krasnikov 1175f2f49601SBryan O'Donoghue mutex_lock(&wcn->conf_mutex); 1176f2f49601SBryan O'Donoghue vif = wcn36xx_get_first_assoc_vif(wcn); 11775478c41fSBryan O'Donoghue if (vif) { 1178ebe7c1a6SBryan O'Donoghue wcn36xx_smd_host_resume(wcn); 11798e84c258SEugene Krasnikov wcn36xx_smd_set_power_params(wcn, false); 1180bedf1169SBryan O'Donoghue wcn36xx_smd_gtk_offload_get_info(wcn, vif); 11816693f767SBryan O'Donoghue wcn36xx_smd_gtk_offload(wcn, vif, false); 11821456223cSBryan O'Donoghue wcn36xx_smd_ipv6_ns_offload(wcn, vif, false); 11835478c41fSBryan O'Donoghue wcn36xx_smd_arp_offload(wcn, vif, false); 11845478c41fSBryan O'Donoghue } 1185df069780SLoic Poulain 1186df069780SLoic Poulain enable_irq(wcn->tx_irq); 1187df069780SLoic Poulain enable_irq(wcn->rx_irq); 1188df069780SLoic Poulain 1189f2f49601SBryan O'Donoghue mutex_unlock(&wcn->conf_mutex); 1190f2f49601SBryan O'Donoghue 11918e84c258SEugene Krasnikov return 0; 11928e84c258SEugene Krasnikov } 11938e84c258SEugene Krasnikov 11948974e591SBryan O'Donoghue static void wcn36xx_set_rekey_data(struct ieee80211_hw *hw, 11958974e591SBryan O'Donoghue struct ieee80211_vif *vif, 11968974e591SBryan O'Donoghue struct cfg80211_gtk_rekey_data *data) 11978974e591SBryan O'Donoghue { 11988974e591SBryan O'Donoghue struct wcn36xx *wcn = hw->priv; 11998974e591SBryan O'Donoghue struct wcn36xx_vif *vif_priv = wcn36xx_vif_to_priv(vif); 12008974e591SBryan O'Donoghue 12018974e591SBryan O'Donoghue mutex_lock(&wcn->conf_mutex); 12028974e591SBryan O'Donoghue 12038974e591SBryan O'Donoghue memcpy(vif_priv->rekey_data.kek, data->kek, NL80211_KEK_LEN); 12048974e591SBryan O'Donoghue memcpy(vif_priv->rekey_data.kck, data->kck, NL80211_KCK_LEN); 12058974e591SBryan O'Donoghue vif_priv->rekey_data.replay_ctr = 12068974e591SBryan O'Donoghue cpu_to_le64(be64_to_cpup((__be64 *)data->replay_ctr)); 12078974e591SBryan O'Donoghue vif_priv->rekey_data.valid = true; 12088974e591SBryan O'Donoghue 12098974e591SBryan O'Donoghue mutex_unlock(&wcn->conf_mutex); 12108974e591SBryan O'Donoghue } 12118974e591SBryan O'Donoghue 12128e84c258SEugene Krasnikov #endif 12138e84c258SEugene Krasnikov 12148e84c258SEugene Krasnikov static int wcn36xx_ampdu_action(struct ieee80211_hw *hw, 12158e84c258SEugene Krasnikov struct ieee80211_vif *vif, 121650ea05efSSara Sharon struct ieee80211_ampdu_params *params) 12178e84c258SEugene Krasnikov { 12188e84c258SEugene Krasnikov struct wcn36xx *wcn = hw->priv; 1219a92e4696SPontus Fuchs struct wcn36xx_sta *sta_priv = wcn36xx_sta_to_priv(params->sta); 122050ea05efSSara Sharon struct ieee80211_sta *sta = params->sta; 122150ea05efSSara Sharon enum ieee80211_ampdu_mlme_action action = params->action; 122250ea05efSSara Sharon u16 tid = params->tid; 122350ea05efSSara Sharon u16 *ssn = ¶ms->ssn; 12242ce113deSJohannes Berg int ret = 0; 122523cddeb5SLoic Poulain int session; 12268e84c258SEugene Krasnikov 12278e84c258SEugene Krasnikov wcn36xx_dbg(WCN36XX_DBG_MAC, "mac ampdu action action %d tid %d\n", 12288e84c258SEugene Krasnikov action, tid); 12298e84c258SEugene Krasnikov 123039efc7ccSBjorn Andersson mutex_lock(&wcn->conf_mutex); 123139efc7ccSBjorn Andersson 12328e84c258SEugene Krasnikov switch (action) { 12338e84c258SEugene Krasnikov case IEEE80211_AMPDU_RX_START: 12348e84c258SEugene Krasnikov sta_priv->tid = tid; 1235ffe835aaSLoic Poulain session = wcn36xx_smd_add_ba_session(wcn, sta, tid, ssn, 0, 12368e84c258SEugene Krasnikov get_sta_index(vif, sta_priv)); 123723cddeb5SLoic Poulain if (session < 0) { 123823cddeb5SLoic Poulain ret = session; 123923cddeb5SLoic Poulain goto out; 124023cddeb5SLoic Poulain } 1241ffe835aaSLoic Poulain wcn36xx_smd_add_ba(wcn, session); 12428e84c258SEugene Krasnikov break; 12438e84c258SEugene Krasnikov case IEEE80211_AMPDU_RX_STOP: 124484da2a84SLoic Poulain wcn36xx_smd_del_ba(wcn, tid, 0, get_sta_index(vif, sta_priv)); 12458e84c258SEugene Krasnikov break; 12468e84c258SEugene Krasnikov case IEEE80211_AMPDU_TX_START: 1247e26dc173SBob Copeland spin_lock_bh(&sta_priv->ampdu_lock); 1248e26dc173SBob Copeland sta_priv->ampdu_state[tid] = WCN36XX_AMPDU_START; 1249e26dc173SBob Copeland spin_unlock_bh(&sta_priv->ampdu_lock); 1250e26dc173SBob Copeland 125123cddeb5SLoic Poulain /* Replace the mac80211 ssn with the firmware one */ 125223cddeb5SLoic Poulain wcn36xx_dbg(WCN36XX_DBG_MAC, "mac ampdu ssn = %u\n", *ssn); 125323cddeb5SLoic Poulain wcn36xx_smd_trigger_ba(wcn, get_sta_index(vif, sta_priv), tid, ssn); 125423cddeb5SLoic Poulain wcn36xx_dbg(WCN36XX_DBG_MAC, "mac ampdu fw-ssn = %u\n", *ssn); 125523cddeb5SLoic Poulain 125623cddeb5SLoic Poulain /* Start BA session */ 125723cddeb5SLoic Poulain session = wcn36xx_smd_add_ba_session(wcn, sta, tid, ssn, 1, 125823cddeb5SLoic Poulain get_sta_index(vif, sta_priv)); 125923cddeb5SLoic Poulain if (session < 0) { 126023cddeb5SLoic Poulain ret = session; 126123cddeb5SLoic Poulain goto out; 126223cddeb5SLoic Poulain } 12632ce113deSJohannes Berg ret = IEEE80211_AMPDU_TX_START_IMMEDIATE; 12648e84c258SEugene Krasnikov break; 12658e84c258SEugene Krasnikov case IEEE80211_AMPDU_TX_OPERATIONAL: 1266e26dc173SBob Copeland spin_lock_bh(&sta_priv->ampdu_lock); 1267e26dc173SBob Copeland sta_priv->ampdu_state[tid] = WCN36XX_AMPDU_OPERATIONAL; 1268e26dc173SBob Copeland spin_unlock_bh(&sta_priv->ampdu_lock); 1269e26dc173SBob Copeland 12708e84c258SEugene Krasnikov break; 12718e84c258SEugene Krasnikov case IEEE80211_AMPDU_TX_STOP_FLUSH: 12728e84c258SEugene Krasnikov case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 12738e84c258SEugene Krasnikov case IEEE80211_AMPDU_TX_STOP_CONT: 1274e26dc173SBob Copeland spin_lock_bh(&sta_priv->ampdu_lock); 1275e26dc173SBob Copeland sta_priv->ampdu_state[tid] = WCN36XX_AMPDU_NONE; 1276e26dc173SBob Copeland spin_unlock_bh(&sta_priv->ampdu_lock); 1277e26dc173SBob Copeland 127884da2a84SLoic Poulain wcn36xx_smd_del_ba(wcn, tid, 1, get_sta_index(vif, sta_priv)); 12798e84c258SEugene Krasnikov ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); 12808e84c258SEugene Krasnikov break; 12818e84c258SEugene Krasnikov default: 12828e84c258SEugene Krasnikov wcn36xx_err("Unknown AMPDU action\n"); 12838e84c258SEugene Krasnikov } 12848e84c258SEugene Krasnikov 128523cddeb5SLoic Poulain out: 128639efc7ccSBjorn Andersson mutex_unlock(&wcn->conf_mutex); 128739efc7ccSBjorn Andersson 12882ce113deSJohannes Berg return ret; 12898e84c258SEugene Krasnikov } 12908e84c258SEugene Krasnikov 1291c7a61af5SBryan O'Donoghue #if IS_ENABLED(CONFIG_IPV6) 1292c7a61af5SBryan O'Donoghue static void wcn36xx_ipv6_addr_change(struct ieee80211_hw *hw, 1293c7a61af5SBryan O'Donoghue struct ieee80211_vif *vif, 1294c7a61af5SBryan O'Donoghue struct inet6_dev *idev) 1295c7a61af5SBryan O'Donoghue { 1296c7a61af5SBryan O'Donoghue struct wcn36xx_vif *vif_priv = wcn36xx_vif_to_priv(vif); 1297c7a61af5SBryan O'Donoghue struct inet6_ifaddr *ifa; 1298c7a61af5SBryan O'Donoghue int idx = 0; 1299c7a61af5SBryan O'Donoghue 1300c7a61af5SBryan O'Donoghue memset(vif_priv->tentative_addrs, 0, sizeof(vif_priv->tentative_addrs)); 1301c7a61af5SBryan O'Donoghue 1302c7a61af5SBryan O'Donoghue read_lock_bh(&idev->lock); 1303c7a61af5SBryan O'Donoghue list_for_each_entry(ifa, &idev->addr_list, if_list) { 1304c7a61af5SBryan O'Donoghue vif_priv->target_ipv6_addrs[idx] = ifa->addr; 1305c7a61af5SBryan O'Donoghue if (ifa->flags & IFA_F_TENTATIVE) 1306c7a61af5SBryan O'Donoghue __set_bit(idx, vif_priv->tentative_addrs); 1307c7a61af5SBryan O'Donoghue idx++; 1308c7a61af5SBryan O'Donoghue if (idx >= WCN36XX_HAL_IPV6_OFFLOAD_ADDR_MAX) 1309c7a61af5SBryan O'Donoghue break; 1310c7a61af5SBryan O'Donoghue wcn36xx_dbg(WCN36XX_DBG_MAC, "%pI6 %s\n", &ifa->addr, 1311c7a61af5SBryan O'Donoghue (ifa->flags & IFA_F_TENTATIVE) ? "tentative" : NULL); 1312c7a61af5SBryan O'Donoghue } 1313c7a61af5SBryan O'Donoghue read_unlock_bh(&idev->lock); 1314c7a61af5SBryan O'Donoghue 1315c7a61af5SBryan O'Donoghue vif_priv->num_target_ipv6_addrs = idx; 1316c7a61af5SBryan O'Donoghue } 1317c7a61af5SBryan O'Donoghue #endif 1318c7a61af5SBryan O'Donoghue 1319f02e1cc2SBenjamin Li static void wcn36xx_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1320f02e1cc2SBenjamin Li u32 queues, bool drop) 1321f02e1cc2SBenjamin Li { 1322f02e1cc2SBenjamin Li struct wcn36xx *wcn = hw->priv; 1323f02e1cc2SBenjamin Li 1324f02e1cc2SBenjamin Li if (wcn36xx_dxe_tx_flush(wcn)) { 1325f02e1cc2SBenjamin Li wcn36xx_err("Failed to flush hardware tx queues\n"); 1326f02e1cc2SBenjamin Li } 1327f02e1cc2SBenjamin Li } 1328f02e1cc2SBenjamin Li 13298e84c258SEugene Krasnikov static const struct ieee80211_ops wcn36xx_ops = { 13308e84c258SEugene Krasnikov .start = wcn36xx_start, 13318e84c258SEugene Krasnikov .stop = wcn36xx_stop, 13328e84c258SEugene Krasnikov .add_interface = wcn36xx_add_interface, 13338e84c258SEugene Krasnikov .remove_interface = wcn36xx_remove_interface, 13348e84c258SEugene Krasnikov #ifdef CONFIG_PM 13358e84c258SEugene Krasnikov .suspend = wcn36xx_suspend, 13368e84c258SEugene Krasnikov .resume = wcn36xx_resume, 13378974e591SBryan O'Donoghue .set_rekey_data = wcn36xx_set_rekey_data, 13388e84c258SEugene Krasnikov #endif 13398e84c258SEugene Krasnikov .config = wcn36xx_config, 134020a779edSPontus Fuchs .prepare_multicast = wcn36xx_prepare_multicast, 13418e84c258SEugene Krasnikov .configure_filter = wcn36xx_configure_filter, 13428e84c258SEugene Krasnikov .tx = wcn36xx_tx, 13438e84c258SEugene Krasnikov .set_key = wcn36xx_set_key, 134488603903SBjorn Andersson .hw_scan = wcn36xx_hw_scan, 134503c95dbeSBjorn Andersson .cancel_hw_scan = wcn36xx_cancel_hw_scan, 13465973a294SLoic Poulain .sw_scan_start = wcn36xx_sw_scan_start, 13475973a294SLoic Poulain .sw_scan_complete = wcn36xx_sw_scan_complete, 13488e84c258SEugene Krasnikov .bss_info_changed = wcn36xx_bss_info_changed, 13498e84c258SEugene Krasnikov .set_rts_threshold = wcn36xx_set_rts_threshold, 13508e84c258SEugene Krasnikov .sta_add = wcn36xx_sta_add, 13518e84c258SEugene Krasnikov .sta_remove = wcn36xx_sta_remove, 13528e84c258SEugene Krasnikov .ampdu_action = wcn36xx_ampdu_action, 1353c7a61af5SBryan O'Donoghue #if IS_ENABLED(CONFIG_IPV6) 1354c7a61af5SBryan O'Donoghue .ipv6_addr_change = wcn36xx_ipv6_addr_change, 1355c7a61af5SBryan O'Donoghue #endif 1356f02e1cc2SBenjamin Li .flush = wcn36xx_flush, 135787f825e6SEyal Ilsar 135887f825e6SEyal Ilsar CFG80211_TESTMODE_CMD(wcn36xx_tm_cmd) 13598e84c258SEugene Krasnikov }; 13608e84c258SEugene Krasnikov 1361b421d04eSBryan O'Donoghue static void 1362b421d04eSBryan O'Donoghue wcn36xx_set_ieee80211_vht_caps(struct ieee80211_sta_vht_cap *vht_cap) 1363b421d04eSBryan O'Donoghue { 1364b421d04eSBryan O'Donoghue vht_cap->vht_supported = true; 1365b421d04eSBryan O'Donoghue 1366b421d04eSBryan O'Donoghue vht_cap->cap = (IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895 | 1367b421d04eSBryan O'Donoghue IEEE80211_VHT_CAP_SHORT_GI_80 | 1368b421d04eSBryan O'Donoghue IEEE80211_VHT_CAP_RXSTBC_1 | 1369b421d04eSBryan O'Donoghue IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE | 1370b421d04eSBryan O'Donoghue IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE | 1371b421d04eSBryan O'Donoghue 3 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT | 1372b421d04eSBryan O'Donoghue 7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT); 1373b421d04eSBryan O'Donoghue 1374b421d04eSBryan O'Donoghue vht_cap->vht_mcs.rx_mcs_map = 1375b421d04eSBryan O'Donoghue cpu_to_le16(IEEE80211_VHT_MCS_SUPPORT_0_9 | 1376b421d04eSBryan O'Donoghue IEEE80211_VHT_MCS_NOT_SUPPORTED << 2 | 1377b421d04eSBryan O'Donoghue IEEE80211_VHT_MCS_NOT_SUPPORTED << 4 | 1378b421d04eSBryan O'Donoghue IEEE80211_VHT_MCS_NOT_SUPPORTED << 6 | 1379b421d04eSBryan O'Donoghue IEEE80211_VHT_MCS_NOT_SUPPORTED << 8 | 1380b421d04eSBryan O'Donoghue IEEE80211_VHT_MCS_NOT_SUPPORTED << 10 | 1381b421d04eSBryan O'Donoghue IEEE80211_VHT_MCS_NOT_SUPPORTED << 12 | 1382b421d04eSBryan O'Donoghue IEEE80211_VHT_MCS_NOT_SUPPORTED << 14); 1383b421d04eSBryan O'Donoghue 1384b421d04eSBryan O'Donoghue vht_cap->vht_mcs.rx_highest = cpu_to_le16(433); 1385b421d04eSBryan O'Donoghue vht_cap->vht_mcs.tx_highest = vht_cap->vht_mcs.rx_highest; 1386b421d04eSBryan O'Donoghue 1387b421d04eSBryan O'Donoghue vht_cap->vht_mcs.tx_mcs_map = vht_cap->vht_mcs.rx_mcs_map; 1388b421d04eSBryan O'Donoghue } 1389b421d04eSBryan O'Donoghue 13908e84c258SEugene Krasnikov static int wcn36xx_init_ieee80211(struct wcn36xx *wcn) 13918e84c258SEugene Krasnikov { 13928e84c258SEugene Krasnikov static const u32 cipher_suites[] = { 13938e84c258SEugene Krasnikov WLAN_CIPHER_SUITE_WEP40, 13948e84c258SEugene Krasnikov WLAN_CIPHER_SUITE_WEP104, 13958e84c258SEugene Krasnikov WLAN_CIPHER_SUITE_TKIP, 13968e84c258SEugene Krasnikov WLAN_CIPHER_SUITE_CCMP, 13978e84c258SEugene Krasnikov }; 13988e84c258SEugene Krasnikov 139930686bf7SJohannes Berg ieee80211_hw_set(wcn->hw, TIMING_BEACON_ONLY); 140030686bf7SJohannes Berg ieee80211_hw_set(wcn->hw, AMPDU_AGGREGATION); 140130686bf7SJohannes Berg ieee80211_hw_set(wcn->hw, SUPPORTS_PS); 140230686bf7SJohannes Berg ieee80211_hw_set(wcn->hw, SIGNAL_DBM); 140330686bf7SJohannes Berg ieee80211_hw_set(wcn->hw, HAS_RATE_CONTROL); 140488603903SBjorn Andersson ieee80211_hw_set(wcn->hw, SINGLE_SCAN_ON_ALL_BANDS); 1405fdf21cc3SLoic Poulain ieee80211_hw_set(wcn->hw, REPORTS_TX_ACK_STATUS); 14068e84c258SEugene Krasnikov 14078e84c258SEugene Krasnikov wcn->hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | 14088e84c258SEugene Krasnikov BIT(NL80211_IFTYPE_AP) | 14098e84c258SEugene Krasnikov BIT(NL80211_IFTYPE_ADHOC) | 14108e84c258SEugene Krasnikov BIT(NL80211_IFTYPE_MESH_POINT); 14118e84c258SEugene Krasnikov 141257fbcce3SJohannes Berg wcn->hw->wiphy->bands[NL80211_BAND_2GHZ] = &wcn_band_2ghz; 1413fd52bdaeSLoic Poulain if (wcn->rf_id != RF_IRIS_WCN3620) 141457fbcce3SJohannes Berg wcn->hw->wiphy->bands[NL80211_BAND_5GHZ] = &wcn_band_5ghz; 14158e84c258SEugene Krasnikov 1416b421d04eSBryan O'Donoghue if (wcn->rf_id == RF_IRIS_WCN3680) 1417b421d04eSBryan O'Donoghue wcn36xx_set_ieee80211_vht_caps(&wcn_band_5ghz.vht_cap); 1418b421d04eSBryan O'Donoghue 141988603903SBjorn Andersson wcn->hw->wiphy->max_scan_ssids = WCN36XX_MAX_SCAN_SSIDS; 142088603903SBjorn Andersson wcn->hw->wiphy->max_scan_ie_len = WCN36XX_MAX_SCAN_IE_LEN; 142188603903SBjorn Andersson 14228e84c258SEugene Krasnikov wcn->hw->wiphy->cipher_suites = cipher_suites; 14238e84c258SEugene Krasnikov wcn->hw->wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites); 14248e84c258SEugene Krasnikov 14258e84c258SEugene Krasnikov #ifdef CONFIG_PM 14268e84c258SEugene Krasnikov wcn->hw->wiphy->wowlan = &wowlan_support; 14278e84c258SEugene Krasnikov #endif 14288e84c258SEugene Krasnikov 14298e84c258SEugene Krasnikov wcn->hw->max_listen_interval = 200; 14308e84c258SEugene Krasnikov 14318e84c258SEugene Krasnikov wcn->hw->queues = 4; 14328e84c258SEugene Krasnikov 14338e84c258SEugene Krasnikov SET_IEEE80211_DEV(wcn->hw, wcn->dev); 14348e84c258SEugene Krasnikov 14358e84c258SEugene Krasnikov wcn->hw->sta_data_size = sizeof(struct wcn36xx_sta); 14368e84c258SEugene Krasnikov wcn->hw->vif_data_size = sizeof(struct wcn36xx_vif); 14378e84c258SEugene Krasnikov 1438ae44b502SAndrew Zaborowski wiphy_ext_feature_set(wcn->hw->wiphy, 1439ae44b502SAndrew Zaborowski NL80211_EXT_FEATURE_CQM_RSSI_LIST); 1440ae44b502SAndrew Zaborowski 1441f0eea277SDaniel Mack return 0; 14428e84c258SEugene Krasnikov } 14438e84c258SEugene Krasnikov 14448e84c258SEugene Krasnikov static int wcn36xx_platform_get_resources(struct wcn36xx *wcn, 14458e84c258SEugene Krasnikov struct platform_device *pdev) 14468e84c258SEugene Krasnikov { 144705ddce49SBjorn Andersson struct device_node *mmio_node; 1448fd52bdaeSLoic Poulain struct device_node *iris_node; 14498e84c258SEugene Krasnikov struct resource *res; 145005ddce49SBjorn Andersson int index; 145105ddce49SBjorn Andersson int ret; 145205ddce49SBjorn Andersson 14538e84c258SEugene Krasnikov /* Set TX IRQ */ 1454f303a931SBjorn Andersson res = platform_get_resource_byname(pdev, IORESOURCE_IRQ, "tx"); 14558e84c258SEugene Krasnikov if (!res) { 14568e84c258SEugene Krasnikov wcn36xx_err("failed to get tx_irq\n"); 14578e84c258SEugene Krasnikov return -ENOENT; 14588e84c258SEugene Krasnikov } 14598e84c258SEugene Krasnikov wcn->tx_irq = res->start; 14608e84c258SEugene Krasnikov 14618e84c258SEugene Krasnikov /* Set RX IRQ */ 1462f303a931SBjorn Andersson res = platform_get_resource_byname(pdev, IORESOURCE_IRQ, "rx"); 14638e84c258SEugene Krasnikov if (!res) { 14648e84c258SEugene Krasnikov wcn36xx_err("failed to get rx_irq\n"); 14658e84c258SEugene Krasnikov return -ENOENT; 14668e84c258SEugene Krasnikov } 14678e84c258SEugene Krasnikov wcn->rx_irq = res->start; 14688e84c258SEugene Krasnikov 1469f303a931SBjorn Andersson /* Acquire SMSM tx enable handle */ 1470f303a931SBjorn Andersson wcn->tx_enable_state = qcom_smem_state_get(&pdev->dev, 1471f303a931SBjorn Andersson "tx-enable", &wcn->tx_enable_state_bit); 1472f303a931SBjorn Andersson if (IS_ERR(wcn->tx_enable_state)) { 1473f303a931SBjorn Andersson wcn36xx_err("failed to get tx-enable state\n"); 1474f303a931SBjorn Andersson return PTR_ERR(wcn->tx_enable_state); 1475f303a931SBjorn Andersson } 1476f303a931SBjorn Andersson 1477f303a931SBjorn Andersson /* Acquire SMSM tx rings empty handle */ 1478f303a931SBjorn Andersson wcn->tx_rings_empty_state = qcom_smem_state_get(&pdev->dev, 1479f303a931SBjorn Andersson "tx-rings-empty", &wcn->tx_rings_empty_state_bit); 1480f303a931SBjorn Andersson if (IS_ERR(wcn->tx_rings_empty_state)) { 1481f303a931SBjorn Andersson wcn36xx_err("failed to get tx-rings-empty state\n"); 1482f303a931SBjorn Andersson return PTR_ERR(wcn->tx_rings_empty_state); 1483f303a931SBjorn Andersson } 1484f303a931SBjorn Andersson 148505ddce49SBjorn Andersson mmio_node = of_parse_phandle(pdev->dev.parent->of_node, "qcom,mmio", 0); 148605ddce49SBjorn Andersson if (!mmio_node) { 148705ddce49SBjorn Andersson wcn36xx_err("failed to acquire qcom,mmio reference\n"); 148805ddce49SBjorn Andersson return -EINVAL; 14898e84c258SEugene Krasnikov } 149005ddce49SBjorn Andersson 14916f10b4e1SBjorn Andersson wcn->is_pronto = !!of_device_is_compatible(mmio_node, "qcom,pronto"); 14926f10b4e1SBjorn Andersson 149305ddce49SBjorn Andersson /* Map the CCU memory */ 149405ddce49SBjorn Andersson index = of_property_match_string(mmio_node, "reg-names", "ccu"); 149505ddce49SBjorn Andersson wcn->ccu_base = of_iomap(mmio_node, index); 149605ddce49SBjorn Andersson if (!wcn->ccu_base) { 149705ddce49SBjorn Andersson wcn36xx_err("failed to map ccu memory\n"); 149805ddce49SBjorn Andersson ret = -ENOMEM; 149905ddce49SBjorn Andersson goto put_mmio_node; 15008e84c258SEugene Krasnikov } 150105ddce49SBjorn Andersson 150205ddce49SBjorn Andersson /* Map the DXE memory */ 150305ddce49SBjorn Andersson index = of_property_match_string(mmio_node, "reg-names", "dxe"); 150405ddce49SBjorn Andersson wcn->dxe_base = of_iomap(mmio_node, index); 150505ddce49SBjorn Andersson if (!wcn->dxe_base) { 150605ddce49SBjorn Andersson wcn36xx_err("failed to map dxe memory\n"); 150705ddce49SBjorn Andersson ret = -ENOMEM; 150805ddce49SBjorn Andersson goto unmap_ccu; 150905ddce49SBjorn Andersson } 151005ddce49SBjorn Andersson 1511fd52bdaeSLoic Poulain /* External RF module */ 15121967c128SJohan Hovold iris_node = of_get_child_by_name(mmio_node, "iris"); 1513fd52bdaeSLoic Poulain if (iris_node) { 1514fd52bdaeSLoic Poulain if (of_device_is_compatible(iris_node, "qcom,wcn3620")) 1515fd52bdaeSLoic Poulain wcn->rf_id = RF_IRIS_WCN3620; 15168490987bSBryan O'Donoghue if (of_device_is_compatible(iris_node, "qcom,wcn3680")) 15178490987bSBryan O'Donoghue wcn->rf_id = RF_IRIS_WCN3680; 1518fd52bdaeSLoic Poulain of_node_put(iris_node); 1519fd52bdaeSLoic Poulain } 1520fd52bdaeSLoic Poulain 152105ddce49SBjorn Andersson of_node_put(mmio_node); 15228e84c258SEugene Krasnikov return 0; 152305ddce49SBjorn Andersson 152405ddce49SBjorn Andersson unmap_ccu: 152505ddce49SBjorn Andersson iounmap(wcn->ccu_base); 152605ddce49SBjorn Andersson put_mmio_node: 152705ddce49SBjorn Andersson of_node_put(mmio_node); 152805ddce49SBjorn Andersson return ret; 15298e84c258SEugene Krasnikov } 15308e84c258SEugene Krasnikov 15318e84c258SEugene Krasnikov static int wcn36xx_probe(struct platform_device *pdev) 15328e84c258SEugene Krasnikov { 15338e84c258SEugene Krasnikov struct ieee80211_hw *hw; 15348e84c258SEugene Krasnikov struct wcn36xx *wcn; 1535f303a931SBjorn Andersson void *wcnss; 15368e84c258SEugene Krasnikov int ret; 1537f303a931SBjorn Andersson const u8 *addr; 15388e84c258SEugene Krasnikov 15398e84c258SEugene Krasnikov wcn36xx_dbg(WCN36XX_DBG_MAC, "platform probe\n"); 15408e84c258SEugene Krasnikov 1541f303a931SBjorn Andersson wcnss = dev_get_drvdata(pdev->dev.parent); 1542f303a931SBjorn Andersson 15438e84c258SEugene Krasnikov hw = ieee80211_alloc_hw(sizeof(struct wcn36xx), &wcn36xx_ops); 15448e84c258SEugene Krasnikov if (!hw) { 15458e84c258SEugene Krasnikov wcn36xx_err("failed to alloc hw\n"); 15468e84c258SEugene Krasnikov ret = -ENOMEM; 15478e84c258SEugene Krasnikov goto out_err; 15488e84c258SEugene Krasnikov } 15498e84c258SEugene Krasnikov platform_set_drvdata(pdev, hw); 15508e84c258SEugene Krasnikov wcn = hw->priv; 15518e84c258SEugene Krasnikov wcn->hw = hw; 15528e84c258SEugene Krasnikov wcn->dev = &pdev->dev; 15536b8a127bSRamon Fried wcn->first_boot = true; 155439efc7ccSBjorn Andersson mutex_init(&wcn->conf_mutex); 15558e84c258SEugene Krasnikov mutex_init(&wcn->hal_mutex); 155688603903SBjorn Andersson mutex_init(&wcn->scan_lock); 1557a224b47aSLoic Poulain __skb_queue_head_init(&wcn->amsdu); 155888603903SBjorn Andersson 1559ef486675SBryan O'Donoghue wcn->hal_buf = devm_kmalloc(wcn->dev, WCN36XX_HAL_BUF_SIZE, GFP_KERNEL); 1560ef486675SBryan O'Donoghue if (!wcn->hal_buf) { 1561ef486675SBryan O'Donoghue ret = -ENOMEM; 1562ef486675SBryan O'Donoghue goto out_wq; 1563ef486675SBryan O'Donoghue } 1564ef486675SBryan O'Donoghue 156557e06e0eSDaniel Mack ret = dma_set_mask_and_coherent(wcn->dev, DMA_BIT_MASK(32)); 156657e06e0eSDaniel Mack if (ret < 0) { 156757e06e0eSDaniel Mack wcn36xx_err("failed to set DMA mask: %d\n", ret); 156857e06e0eSDaniel Mack goto out_wq; 156957e06e0eSDaniel Mack } 157057e06e0eSDaniel Mack 1571b7f96d5cSBjorn Andersson wcn->nv_file = WLAN_NV_FILE; 1572b7f96d5cSBjorn Andersson ret = of_property_read_string(wcn->dev->parent->of_node, "firmware-name", &wcn->nv_file); 1573b7f96d5cSBjorn Andersson if (ret < 0 && ret != -EINVAL) { 1574b7f96d5cSBjorn Andersson wcn36xx_err("failed to read \"firmware-name\" property: %d\n", ret); 1575b7f96d5cSBjorn Andersson goto out_wq; 1576b7f96d5cSBjorn Andersson } 1577b7f96d5cSBjorn Andersson 15785052de8dSBjorn Andersson wcn->smd_channel = qcom_wcnss_open_channel(wcnss, "WLAN_CTRL", wcn36xx_smd_rsp_process, hw); 1579f303a931SBjorn Andersson if (IS_ERR(wcn->smd_channel)) { 1580f303a931SBjorn Andersson wcn36xx_err("failed to open WLAN_CTRL channel\n"); 1581f303a931SBjorn Andersson ret = PTR_ERR(wcn->smd_channel); 1582f303a931SBjorn Andersson goto out_wq; 1583f303a931SBjorn Andersson } 1584f303a931SBjorn Andersson 1585f303a931SBjorn Andersson addr = of_get_property(pdev->dev.of_node, "local-mac-address", &ret); 1586f303a931SBjorn Andersson if (addr && ret != ETH_ALEN) { 1587f303a931SBjorn Andersson wcn36xx_err("invalid local-mac-address\n"); 1588f303a931SBjorn Andersson ret = -EINVAL; 1589a86308fcSChristophe JAILLET goto out_destroy_ept; 1590f303a931SBjorn Andersson } else if (addr) { 15918e84c258SEugene Krasnikov wcn36xx_info("mac address: %pM\n", addr); 15928e84c258SEugene Krasnikov SET_IEEE80211_PERM_ADDR(wcn->hw, addr); 15938e84c258SEugene Krasnikov } 15948e84c258SEugene Krasnikov 15958e84c258SEugene Krasnikov ret = wcn36xx_platform_get_resources(wcn, pdev); 15968e84c258SEugene Krasnikov if (ret) 1597a86308fcSChristophe JAILLET goto out_destroy_ept; 15988e84c258SEugene Krasnikov 15998e84c258SEugene Krasnikov wcn36xx_init_ieee80211(wcn); 16008e84c258SEugene Krasnikov ret = ieee80211_register_hw(wcn->hw); 16018e84c258SEugene Krasnikov if (ret) 16028e84c258SEugene Krasnikov goto out_unmap; 16038e84c258SEugene Krasnikov 16048e84c258SEugene Krasnikov return 0; 16058e84c258SEugene Krasnikov 16068e84c258SEugene Krasnikov out_unmap: 160705ddce49SBjorn Andersson iounmap(wcn->ccu_base); 160805ddce49SBjorn Andersson iounmap(wcn->dxe_base); 1609a86308fcSChristophe JAILLET out_destroy_ept: 1610a86308fcSChristophe JAILLET rpmsg_destroy_ept(wcn->smd_channel); 16118e84c258SEugene Krasnikov out_wq: 16128e84c258SEugene Krasnikov ieee80211_free_hw(hw); 16138e84c258SEugene Krasnikov out_err: 16148e84c258SEugene Krasnikov return ret; 16158e84c258SEugene Krasnikov } 1616f303a931SBjorn Andersson 16178e84c258SEugene Krasnikov static int wcn36xx_remove(struct platform_device *pdev) 16188e84c258SEugene Krasnikov { 16198e84c258SEugene Krasnikov struct ieee80211_hw *hw = platform_get_drvdata(pdev); 16208e84c258SEugene Krasnikov struct wcn36xx *wcn = hw->priv; 16218e84c258SEugene Krasnikov wcn36xx_dbg(WCN36XX_DBG_MAC, "platform remove\n"); 16228e84c258SEugene Krasnikov 16234bda7fafSPontus Fuchs release_firmware(wcn->nv); 16248e84c258SEugene Krasnikov 16258e84c258SEugene Krasnikov ieee80211_unregister_hw(hw); 1626f303a931SBjorn Andersson 1627f303a931SBjorn Andersson qcom_smem_state_put(wcn->tx_enable_state); 1628f303a931SBjorn Andersson qcom_smem_state_put(wcn->tx_rings_empty_state); 1629f303a931SBjorn Andersson 1630efad8396SBjorn Andersson rpmsg_destroy_ept(wcn->smd_channel); 1631efad8396SBjorn Andersson 163205ddce49SBjorn Andersson iounmap(wcn->dxe_base); 163305ddce49SBjorn Andersson iounmap(wcn->ccu_base); 1634d5362888SBjorn Andersson 1635a224b47aSLoic Poulain __skb_queue_purge(&wcn->amsdu); 1636a224b47aSLoic Poulain 1637d5362888SBjorn Andersson mutex_destroy(&wcn->hal_mutex); 16388e84c258SEugene Krasnikov ieee80211_free_hw(hw); 16398e84c258SEugene Krasnikov 16408e84c258SEugene Krasnikov return 0; 16418e84c258SEugene Krasnikov } 1642f303a931SBjorn Andersson 1643f303a931SBjorn Andersson static const struct of_device_id wcn36xx_of_match[] = { 1644f303a931SBjorn Andersson { .compatible = "qcom,wcnss-wlan" }, 16458e84c258SEugene Krasnikov {} 16468e84c258SEugene Krasnikov }; 1647f303a931SBjorn Andersson MODULE_DEVICE_TABLE(of, wcn36xx_of_match); 16488e84c258SEugene Krasnikov 16498e84c258SEugene Krasnikov static struct platform_driver wcn36xx_driver = { 16508e84c258SEugene Krasnikov .probe = wcn36xx_probe, 16518e84c258SEugene Krasnikov .remove = wcn36xx_remove, 16528e84c258SEugene Krasnikov .driver = { 16538e84c258SEugene Krasnikov .name = "wcn36xx", 1654f303a931SBjorn Andersson .of_match_table = wcn36xx_of_match, 16558e84c258SEugene Krasnikov }, 16568e84c258SEugene Krasnikov }; 16578e84c258SEugene Krasnikov 1658f303a931SBjorn Andersson module_platform_driver(wcn36xx_driver); 16598e84c258SEugene Krasnikov 16608e84c258SEugene Krasnikov MODULE_LICENSE("Dual BSD/GPL"); 16618e84c258SEugene Krasnikov MODULE_AUTHOR("Eugene Krasnikov k.eugene.e@gmail.com"); 16628e84c258SEugene Krasnikov MODULE_FIRMWARE(WLAN_NV_FILE); 1663