From add6cd8d5ab7aea383f13ea5a7dd573257ef9c24 Mon Sep 17 00:00:00 2001 From: Manikanta Pubbisetty Date: Fri, 28 Jul 2017 15:15:42 +0300 Subject: ath10k: add tdls support for 10.4 firmwares This patch adds the support of TDLS feature for 10.4 firmware versions. A new WMI service is added to advertise the support of TDLS for 10.4 firmwares. Signed-off-by: Manikanta Pubbisetty Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/mac.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) (limited to 'drivers/net/wireless/ath/ath10k/mac.c') diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c index 55c808f03a84..523a5490dece 100644 --- a/drivers/net/wireless/ath/ath10k/mac.c +++ b/drivers/net/wireless/ath/ath10k/mac.c @@ -8197,8 +8197,11 @@ int ath10k_mac_register(struct ath10k *ar) NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P; } - if (test_bit(WMI_SERVICE_TDLS, ar->wmi.svc_map)) + if (test_bit(WMI_SERVICE_TDLS, ar->wmi.svc_map) || + test_bit(WMI_SERVICE_TDLS_EXPLICIT_MODE_ONLY, ar->wmi.svc_map)) { ar->hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS; + ieee80211_hw_set(ar->hw, TDLS_WIDER_BW); + } ar->hw->wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL; ar->hw->wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH; -- cgit v1.2.3 From 393b706cf20c2b612ca88fb2e48b43e3e376796f Mon Sep 17 00:00:00 2001 From: Ryan Hsu Date: Thu, 31 Aug 2017 15:36:16 +0300 Subject: ath10k: configure and enable the wakeup capability ACPI will rely on device driver to tell it if the device could support wakeup function when system in D3 state. This has caused some platform can't support remote wakeup correctly, because the ACPI wakeup GPE is not enabled, hence registers the .set_wakeup callback to handle it if device supports wakeup. Tested with QCA6174 hw3.0, firmware ('WLAN.RM.4.4.1-00008-QCARMSWP-1') Signed-off-by: Ryan Hsu Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/mac.c | 1 + drivers/net/wireless/ath/ath10k/wow.c | 14 ++++++++++++++ drivers/net/wireless/ath/ath10k/wow.h | 1 + 3 files changed, 16 insertions(+) (limited to 'drivers/net/wireless/ath/ath10k/mac.c') diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c index 523a5490dece..5683f1a5330e 100644 --- a/drivers/net/wireless/ath/ath10k/mac.c +++ b/drivers/net/wireless/ath/ath10k/mac.c @@ -7644,6 +7644,7 @@ static const struct ieee80211_ops ath10k_ops = { #ifdef CONFIG_PM .suspend = ath10k_wow_op_suspend, .resume = ath10k_wow_op_resume, + .set_wakeup = ath10k_wow_op_set_wakeup, #endif #ifdef CONFIG_MAC80211_DEBUGFS .sta_add_debugfs = ath10k_sta_add_debugfs, diff --git a/drivers/net/wireless/ath/ath10k/wow.c b/drivers/net/wireless/ath/ath10k/wow.c index 77100d42f401..0d46d6dc7578 100644 --- a/drivers/net/wireless/ath/ath10k/wow.c +++ b/drivers/net/wireless/ath/ath10k/wow.c @@ -277,6 +277,18 @@ exit: return ret ? 1 : 0; } +void ath10k_wow_op_set_wakeup(struct ieee80211_hw *hw, bool enabled) +{ + struct ath10k *ar = hw->priv; + + mutex_lock(&ar->conf_mutex); + if (test_bit(ATH10K_FW_FEATURE_WOWLAN_SUPPORT, + ar->running_fw->fw_file.fw_features)) { + device_set_wakeup_enable(ar->dev, enabled); + } + mutex_unlock(&ar->conf_mutex); +} + int ath10k_wow_op_resume(struct ieee80211_hw *hw) { struct ath10k *ar = hw->priv; @@ -336,5 +348,7 @@ int ath10k_wow_init(struct ath10k *ar) ar->wow.wowlan_support.n_patterns = ar->wow.max_num_patterns; ar->hw->wiphy->wowlan = &ar->wow.wowlan_support; + device_set_wakeup_capable(ar->dev, true); + return 0; } diff --git a/drivers/net/wireless/ath/ath10k/wow.h b/drivers/net/wireless/ath/ath10k/wow.h index abbb04b6d1bd..9745b9ddc7f5 100644 --- a/drivers/net/wireless/ath/ath10k/wow.h +++ b/drivers/net/wireless/ath/ath10k/wow.h @@ -28,6 +28,7 @@ int ath10k_wow_init(struct ath10k *ar); int ath10k_wow_op_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan); int ath10k_wow_op_resume(struct ieee80211_hw *hw); +void ath10k_wow_op_set_wakeup(struct ieee80211_hw *hw, bool enabled); #else -- cgit v1.2.3 From 36d9cdb6fb4a8b97af51bdd74683dd3e46b97b20 Mon Sep 17 00:00:00 2001 From: Venkateswara Naralasetty Date: Wed, 4 Oct 2017 12:22:57 +0300 Subject: ath10k: check power save support in STA mode through FW IE Currently ath10k host enables power save support in station mode by default for all firmwares but Power save for station mode still not supported in some of the firmware versions. Which results in firmware crash while issueing multiple scan commands. Fix this problem by introducing new FW feature flag to check power save support in firmware and then the firmware image can tell to ath10k that power save mode is not supported in station mode. Signed-off-by: Venkateswara Naralasetty Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/core.c | 1 + drivers/net/wireless/ath/ath10k/core.h | 3 +++ drivers/net/wireless/ath/ath10k/mac.c | 9 +++++++-- 3 files changed, 11 insertions(+), 2 deletions(-) (limited to 'drivers/net/wireless/ath/ath10k/mac.c') diff --git a/drivers/net/wireless/ath/ath10k/core.c b/drivers/net/wireless/ath/ath10k/core.c index a4f635820f35..7cc426c41817 100644 --- a/drivers/net/wireless/ath/ath10k/core.c +++ b/drivers/net/wireless/ath/ath10k/core.c @@ -377,6 +377,7 @@ static const char *const ath10k_core_fw_feature_str[] = { [ATH10K_FW_FEATURE_BTCOEX_PARAM] = "btcoex-param", [ATH10K_FW_FEATURE_SKIP_NULL_FUNC_WAR] = "skip-null-func-war", [ATH10K_FW_FEATURE_ALLOWS_MESH_BCAST] = "allows-mesh-bcast", + [ATH10K_FW_FEATURE_NO_PS] = "no-ps", }; static unsigned int ath10k_core_get_fw_feature_str(char *buf, diff --git a/drivers/net/wireless/ath/ath10k/core.h b/drivers/net/wireless/ath/ath10k/core.h index 949ebb3e967b..643041ef3271 100644 --- a/drivers/net/wireless/ath/ath10k/core.h +++ b/drivers/net/wireless/ath/ath10k/core.h @@ -612,6 +612,9 @@ enum ath10k_fw_features { */ ATH10K_FW_FEATURE_ALLOWS_MESH_BCAST = 16, + /* Firmware does not support power save in station mode. */ + ATH10K_FW_FEATURE_NO_PS = 17, + /* keep last */ ATH10K_FW_FEATURE_COUNT, }; diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c index 5683f1a5330e..10fb83784832 100644 --- a/drivers/net/wireless/ath/ath10k/mac.c +++ b/drivers/net/wireless/ath/ath10k/mac.c @@ -8146,8 +8146,13 @@ int ath10k_mac_register(struct ath10k *ar) BIT(NL80211_IFTYPE_P2P_GO); ieee80211_hw_set(ar->hw, SIGNAL_DBM); - ieee80211_hw_set(ar->hw, SUPPORTS_PS); - ieee80211_hw_set(ar->hw, SUPPORTS_DYNAMIC_PS); + + if (!test_bit(ATH10K_FW_FEATURE_NO_PS, + ar->running_fw->fw_file.fw_features)) { + ieee80211_hw_set(ar->hw, SUPPORTS_PS); + ieee80211_hw_set(ar->hw, SUPPORTS_DYNAMIC_PS); + } + ieee80211_hw_set(ar->hw, MFP_CAPABLE); ieee80211_hw_set(ar->hw, REPORTS_TX_ACK_STATUS); ieee80211_hw_set(ar->hw, HAS_RATE_CONTROL); -- cgit v1.2.3 From 2ea9f12cefe4b6bf291e1717512b0ccb04bf71e9 Mon Sep 17 00:00:00 2001 From: Rajkumar Manoharan Date: Mon, 25 Sep 2017 15:29:41 -0700 Subject: ath10k: add new cipher suite support QCA99x0 and QCA4019 family chips support CCMP-256, GCMP-128, and GCMP-256 ciphers in hardware, so advertise support for these. As firmware does not support group management frame ciphers (BIP), handle them in software (mac80211). Reviewed-by: Sebastian Gottschall Cc: Jouni Malinen Signed-off-by: Rajkumar Manoharan Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/core.c | 12 ++++++++++ drivers/net/wireless/ath/ath10k/hw.h | 3 +++ drivers/net/wireless/ath/ath10k/mac.c | 43 ++++++++++++++++++++++++++++++++-- drivers/net/wireless/ath/ath10k/wmi.h | 1 + 4 files changed, 57 insertions(+), 2 deletions(-) (limited to 'drivers/net/wireless/ath/ath10k/mac.c') diff --git a/drivers/net/wireless/ath/ath10k/core.c b/drivers/net/wireless/ath/ath10k/core.c index 7cc426c41817..b29fdbd21ead 100644 --- a/drivers/net/wireless/ath/ath10k/core.c +++ b/drivers/net/wireless/ath/ath10k/core.c @@ -74,6 +74,7 @@ static const struct ath10k_hw_params ath10k_hw_params_list[] = { .spectral_bin_discard = 0, .vht160_mcs_rx_highest = 0, .vht160_mcs_tx_highest = 0, + .n_cipher_suites = 8, }, { .id = QCA9887_HW_1_0_VERSION, @@ -97,6 +98,7 @@ static const struct ath10k_hw_params ath10k_hw_params_list[] = { .spectral_bin_discard = 0, .vht160_mcs_rx_highest = 0, .vht160_mcs_tx_highest = 0, + .n_cipher_suites = 8, }, { .id = QCA6174_HW_2_1_VERSION, @@ -119,6 +121,7 @@ static const struct ath10k_hw_params ath10k_hw_params_list[] = { .spectral_bin_discard = 0, .vht160_mcs_rx_highest = 0, .vht160_mcs_tx_highest = 0, + .n_cipher_suites = 8, }, { .id = QCA6174_HW_2_1_VERSION, @@ -141,6 +144,7 @@ static const struct ath10k_hw_params ath10k_hw_params_list[] = { .spectral_bin_discard = 0, .vht160_mcs_rx_highest = 0, .vht160_mcs_tx_highest = 0, + .n_cipher_suites = 8, }, { .id = QCA6174_HW_3_0_VERSION, @@ -163,6 +167,7 @@ static const struct ath10k_hw_params ath10k_hw_params_list[] = { .spectral_bin_discard = 0, .vht160_mcs_rx_highest = 0, .vht160_mcs_tx_highest = 0, + .n_cipher_suites = 8, }, { .id = QCA6174_HW_3_2_VERSION, @@ -188,6 +193,7 @@ static const struct ath10k_hw_params ath10k_hw_params_list[] = { .spectral_bin_discard = 0, .vht160_mcs_rx_highest = 0, .vht160_mcs_tx_highest = 0, + .n_cipher_suites = 8, }, { .id = QCA99X0_HW_2_0_DEV_VERSION, @@ -216,6 +222,7 @@ static const struct ath10k_hw_params ath10k_hw_params_list[] = { .spectral_bin_discard = 4, .vht160_mcs_rx_highest = 0, .vht160_mcs_tx_highest = 0, + .n_cipher_suites = 11, }, { .id = QCA9984_HW_1_0_DEV_VERSION, @@ -249,6 +256,7 @@ static const struct ath10k_hw_params ath10k_hw_params_list[] = { */ .vht160_mcs_rx_highest = 1560, .vht160_mcs_tx_highest = 1560, + .n_cipher_suites = 11, }, { .id = QCA9888_HW_2_0_DEV_VERSION, @@ -281,6 +289,7 @@ static const struct ath10k_hw_params ath10k_hw_params_list[] = { */ .vht160_mcs_rx_highest = 780, .vht160_mcs_tx_highest = 780, + .n_cipher_suites = 11, }, { .id = QCA9377_HW_1_0_DEV_VERSION, @@ -303,6 +312,7 @@ static const struct ath10k_hw_params ath10k_hw_params_list[] = { .spectral_bin_discard = 0, .vht160_mcs_rx_highest = 0, .vht160_mcs_tx_highest = 0, + .n_cipher_suites = 8, }, { .id = QCA9377_HW_1_1_DEV_VERSION, @@ -327,6 +337,7 @@ static const struct ath10k_hw_params ath10k_hw_params_list[] = { .spectral_bin_discard = 0, .vht160_mcs_rx_highest = 0, .vht160_mcs_tx_highest = 0, + .n_cipher_suites = 8, }, { .id = QCA4019_HW_1_0_DEV_VERSION, @@ -356,6 +367,7 @@ static const struct ath10k_hw_params ath10k_hw_params_list[] = { .spectral_bin_discard = 4, .vht160_mcs_rx_highest = 0, .vht160_mcs_tx_highest = 0, + .n_cipher_suites = 11, }, }; diff --git a/drivers/net/wireless/ath/ath10k/hw.h b/drivers/net/wireless/ath/ath10k/hw.h index f80840fae517..05f26e5858ad 100644 --- a/drivers/net/wireless/ath/ath10k/hw.h +++ b/drivers/net/wireless/ath/ath10k/hw.h @@ -550,6 +550,9 @@ struct ath10k_hw_params { */ int vht160_mcs_rx_highest; int vht160_mcs_tx_highest; + + /* Number of ciphers supported (i.e First N) in cipher_suites array */ + int n_cipher_suites; }; struct htt_rx_desc; diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c index 10fb83784832..6dbf8a2453ba 100644 --- a/drivers/net/wireless/ath/ath10k/mac.c +++ b/drivers/net/wireless/ath/ath10k/mac.c @@ -242,6 +242,16 @@ static int ath10k_send_key(struct ath10k_vif *arvif, case WLAN_CIPHER_SUITE_WEP104: arg.key_cipher = WMI_CIPHER_WEP; break; + case WLAN_CIPHER_SUITE_CCMP_256: + arg.key_cipher = WMI_CIPHER_AES_CCM; + break; + case WLAN_CIPHER_SUITE_GCMP: + case WLAN_CIPHER_SUITE_GCMP_256: + arg.key_cipher = WMI_CIPHER_AES_GCM; + break; + case WLAN_CIPHER_SUITE_BIP_GMAC_128: + case WLAN_CIPHER_SUITE_BIP_GMAC_256: + case WLAN_CIPHER_SUITE_BIP_CMAC_256: case WLAN_CIPHER_SUITE_AES_CMAC: WARN_ON(1); return -EINVAL; @@ -5723,7 +5733,10 @@ static int ath10k_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, u32 flags2; /* this one needs to be done in software */ - if (key->cipher == WLAN_CIPHER_SUITE_AES_CMAC) + if (key->cipher == WLAN_CIPHER_SUITE_AES_CMAC || + key->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_128 || + key->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_256 || + key->cipher == WLAN_CIPHER_SUITE_BIP_CMAC_256) return 1; if (arvif->nohwcrypt) @@ -8074,7 +8087,22 @@ int ath10k_mac_register(struct ath10k *ar) WLAN_CIPHER_SUITE_WEP104, WLAN_CIPHER_SUITE_TKIP, WLAN_CIPHER_SUITE_CCMP, + + /* Do not add hardware supported ciphers before this line. + * Allow software encryption for all chips. Don't forget to + * update n_cipher_suites below. + */ WLAN_CIPHER_SUITE_AES_CMAC, + WLAN_CIPHER_SUITE_BIP_CMAC_256, + WLAN_CIPHER_SUITE_BIP_GMAC_128, + WLAN_CIPHER_SUITE_BIP_GMAC_256, + + /* Only QCA99x0 and QCA4019 varients support GCMP-128, GCMP-256 + * and CCMP-256 in hardware. + */ + WLAN_CIPHER_SUITE_GCMP, + WLAN_CIPHER_SUITE_GCMP_256, + WLAN_CIPHER_SUITE_CCMP_256, }; struct ieee80211_supported_band *band; void *channels; @@ -8318,7 +8346,18 @@ int ath10k_mac_register(struct ath10k *ar) } ar->hw->wiphy->cipher_suites = cipher_suites; - ar->hw->wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites); + + /* QCA988x and QCA6174 family chips do not support CCMP-256, GCMP-128 + * and GCMP-256 ciphers in hardware. Fetch number of ciphers supported + * from chip specific hw_param table. + */ + if (!ar->hw_params.n_cipher_suites || + ar->hw_params.n_cipher_suites > ARRAY_SIZE(cipher_suites)) { + ath10k_err(ar, "invalid hw_params.n_cipher_suites %d\n", + ar->hw_params.n_cipher_suites); + ar->hw_params.n_cipher_suites = 8; + } + ar->hw->wiphy->n_cipher_suites = ar->hw_params.n_cipher_suites; wiphy_ext_feature_set(ar->hw->wiphy, NL80211_EXT_FEATURE_CQM_RSSI_LIST); diff --git a/drivers/net/wireless/ath/ath10k/wmi.h b/drivers/net/wireless/ath/ath10k/wmi.h index 7a3606dde227..c02b21cff38d 100644 --- a/drivers/net/wireless/ath/ath10k/wmi.h +++ b/drivers/net/wireless/ath/ath10k/wmi.h @@ -4751,6 +4751,7 @@ struct wmi_key_seq_counter { #define WMI_CIPHER_WAPI 0x5 #define WMI_CIPHER_CKIP 0x6 #define WMI_CIPHER_AES_CMAC 0x7 +#define WMI_CIPHER_AES_GCM 0x8 struct wmi_vdev_install_key_cmd { __le32 vdev_id; -- cgit v1.2.3 From dd0f9cd6bc6a6d663b23f1d1a84c970d1f042b1c Mon Sep 17 00:00:00 2001 From: Anilkumar Kolli Date: Fri, 27 Oct 2017 11:12:27 +0300 Subject: ath10k: move ath10k_mac_tdls_vif*() functions To be able to use ath10k_mac_tdls_vif_stations_count() in ath10k_hw_scan() in the following patch, move the functions earlier in the file. This commit is pure code move, no functional changes. Signed-off-by: Anilkumar Kolli Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/mac.c | 106 +++++++++++++++++----------------- 1 file changed, 53 insertions(+), 53 deletions(-) (limited to 'drivers/net/wireless/ath/ath10k/mac.c') diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c index 6dbf8a2453ba..485d1966a387 100644 --- a/drivers/net/wireless/ath/ath10k/mac.c +++ b/drivers/net/wireless/ath/ath10k/mac.c @@ -5585,6 +5585,59 @@ static void ath10k_mac_op_set_coverage_class(struct ieee80211_hw *hw, s16 value) ar->hw_params.hw_ops->set_coverage_class(ar, value); } +struct ath10k_mac_tdls_iter_data { + u32 num_tdls_stations; + struct ieee80211_vif *curr_vif; +}; + +static void ath10k_mac_tdls_vif_stations_count_iter(void *data, + struct ieee80211_sta *sta) +{ + struct ath10k_mac_tdls_iter_data *iter_data = data; + struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv; + struct ieee80211_vif *sta_vif = arsta->arvif->vif; + + if (sta->tdls && sta_vif == iter_data->curr_vif) + iter_data->num_tdls_stations++; +} + +static int ath10k_mac_tdls_vif_stations_count(struct ieee80211_hw *hw, + struct ieee80211_vif *vif) +{ + struct ath10k_mac_tdls_iter_data data = {}; + + data.curr_vif = vif; + + ieee80211_iterate_stations_atomic(hw, + ath10k_mac_tdls_vif_stations_count_iter, + &data); + return data.num_tdls_stations; +} + +static void ath10k_mac_tdls_vifs_count_iter(void *data, u8 *mac, + struct ieee80211_vif *vif) +{ + struct ath10k_vif *arvif = (void *)vif->drv_priv; + int *num_tdls_vifs = data; + + if (vif->type != NL80211_IFTYPE_STATION) + return; + + if (ath10k_mac_tdls_vif_stations_count(arvif->ar->hw, vif) > 0) + (*num_tdls_vifs)++; +} + +static int ath10k_mac_tdls_vifs_count(struct ieee80211_hw *hw) +{ + int num_tdls_vifs = 0; + + ieee80211_iterate_active_interfaces_atomic(hw, + IEEE80211_IFACE_ITER_NORMAL, + ath10k_mac_tdls_vifs_count_iter, + &num_tdls_vifs); + return num_tdls_vifs; +} + static int ath10k_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_scan_request *hw_req) @@ -6013,59 +6066,6 @@ static void ath10k_mac_dec_num_stations(struct ath10k_vif *arvif, ar->num_stations--; } -struct ath10k_mac_tdls_iter_data { - u32 num_tdls_stations; - struct ieee80211_vif *curr_vif; -}; - -static void ath10k_mac_tdls_vif_stations_count_iter(void *data, - struct ieee80211_sta *sta) -{ - struct ath10k_mac_tdls_iter_data *iter_data = data; - struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv; - struct ieee80211_vif *sta_vif = arsta->arvif->vif; - - if (sta->tdls && sta_vif == iter_data->curr_vif) - iter_data->num_tdls_stations++; -} - -static int ath10k_mac_tdls_vif_stations_count(struct ieee80211_hw *hw, - struct ieee80211_vif *vif) -{ - struct ath10k_mac_tdls_iter_data data = {}; - - data.curr_vif = vif; - - ieee80211_iterate_stations_atomic(hw, - ath10k_mac_tdls_vif_stations_count_iter, - &data); - return data.num_tdls_stations; -} - -static void ath10k_mac_tdls_vifs_count_iter(void *data, u8 *mac, - struct ieee80211_vif *vif) -{ - struct ath10k_vif *arvif = (void *)vif->drv_priv; - int *num_tdls_vifs = data; - - if (vif->type != NL80211_IFTYPE_STATION) - return; - - if (ath10k_mac_tdls_vif_stations_count(arvif->ar->hw, vif) > 0) - (*num_tdls_vifs)++; -} - -static int ath10k_mac_tdls_vifs_count(struct ieee80211_hw *hw) -{ - int num_tdls_vifs = 0; - - ieee80211_iterate_active_interfaces_atomic(hw, - IEEE80211_IFACE_ITER_NORMAL, - ath10k_mac_tdls_vifs_count_iter, - &num_tdls_vifs); - return num_tdls_vifs; -} - static int ath10k_sta_state(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_sta *sta, -- cgit v1.2.3 From a60809313b96c9489780944e6df45357b20d2ef5 Mon Sep 17 00:00:00 2001 From: Anilkumar Kolli Date: Fri, 27 Oct 2017 11:12:28 +0300 Subject: ath10k: block offchannel operations if TDLS session is active Do not allow off channel operations like scans/roc when there are active TDLS sessions. The Current firmware 10.4-3.5.1-00035 on QCA9888 does not supports any offchannel operations on active TDLS sessions, either driver needs to block the offchannel operation requests or should teardown the TDLS connection. Signed-off-by: Anilkumar Kolli Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/mac.c | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'drivers/net/wireless/ath/ath10k/mac.c') diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c index 485d1966a387..0a947eef348d 100644 --- a/drivers/net/wireless/ath/ath10k/mac.c +++ b/drivers/net/wireless/ath/ath10k/mac.c @@ -5651,6 +5651,11 @@ static int ath10k_hw_scan(struct ieee80211_hw *hw, mutex_lock(&ar->conf_mutex); + if (ath10k_mac_tdls_vif_stations_count(hw, vif) > 0) { + ret = -EBUSY; + goto exit; + } + spin_lock_bh(&ar->data_lock); switch (ar->scan.state) { case ATH10K_SCAN_IDLE: @@ -6490,6 +6495,11 @@ static int ath10k_remain_on_channel(struct ieee80211_hw *hw, mutex_lock(&ar->conf_mutex); + if (ath10k_mac_tdls_vif_stations_count(hw, vif) > 0) { + ret = -EBUSY; + goto exit; + } + spin_lock_bh(&ar->data_lock); switch (ar->scan.state) { case ATH10K_SCAN_IDLE: -- cgit v1.2.3