Return-path: Received: from paleale.coelho.fi ([176.9.41.70]:37150 "EHLO farmhouse.coelho.fi" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753391AbeC1Txs (ORCPT ); Wed, 28 Mar 2018 15:53:48 -0400 From: Luca Coelho To: kvalo@codeaurora.org Cc: linux-wireless@vger.kernel.org, "Zamir, Roee" , Luca Coelho Date: Wed, 28 Mar 2018 22:53:39 +0300 Message-Id: <20180328195339.24611-1-luca@coelho.fi> (sfid-20180328_215351_500634_B52FA6F4) In-Reply-To: <20180328142533.9017-1-luca@coelho.fi> References: <20180328142533.9017-1-luca@coelho.fi> Subject: [PATCH v2 07/14] iwlwifi: mvm: add support for oce Sender: linux-wireless-owner@vger.kernel.org List-ID: From: "Zamir, Roee" Add support for Optimized Connectivity Experience (OCE). Get capabilities from the fw, expose them with nl80211, and enable them in UMAC scan if the relevant nl80211 flags are set by the userspace. Signed-off-by: Roee Zamir Signed-off-by: Luca Coelho --- drivers/net/wireless/intel/iwlwifi/fw/api/scan.h | 6 ++++++ drivers/net/wireless/intel/iwlwifi/fw/file.h | 1 + drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c | 11 +++++++++++ drivers/net/wireless/intel/iwlwifi/mvm/mvm.h | 6 ++++++ drivers/net/wireless/intel/iwlwifi/mvm/scan.c | 21 ++++++++++++++++++++- 5 files changed, 44 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/intel/iwlwifi/fw/api/scan.h b/drivers/net/wireless/intel/iwlwifi/fw/api/scan.h index 3bfc657f6b42..620862c4c79b 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/api/scan.h +++ b/drivers/net/wireless/intel/iwlwifi/fw/api/scan.h @@ -579,8 +579,14 @@ enum iwl_umac_scan_general_flags { IWL_UMAC_SCAN_GEN_FLAGS_RRM_ENABLED = BIT(8), IWL_UMAC_SCAN_GEN_FLAGS_MATCH = BIT(9), IWL_UMAC_SCAN_GEN_FLAGS_EXTENDED_DWELL = BIT(10), + /* Extended dwell is obselete when adaptive dwell is used, making this + * bit reusable. Hence, probe request defer is used only when adaptive + * dwell is supported. */ + IWL_UMAC_SCAN_GEN_FLAGS_PROB_REQ_DEFER_SUPP = BIT(10), IWL_UMAC_SCAN_GEN_FLAGS_LMAC2_FRAGMENTED = BIT(11), IWL_UMAC_SCAN_GEN_FLAGS_ADAPTIVE_DWELL = BIT(13), + IWL_UMAC_SCAN_GEN_FLAGS_MAX_CHNL_TIME = BIT(14), + IWL_UMAC_SCAN_GEN_FLAGS_PROB_REQ_HIGH_TX_RATE = BIT(15), }; /** diff --git a/drivers/net/wireless/intel/iwlwifi/fw/file.h b/drivers/net/wireless/intel/iwlwifi/fw/file.h index 2cb303c5c42e..f8c2dac12c66 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/file.h +++ b/drivers/net/wireless/intel/iwlwifi/fw/file.h @@ -265,6 +265,7 @@ enum iwl_ucode_tlv_api { IWL_UCODE_TLV_API_NAN2_VER2 = (__force iwl_ucode_tlv_api_t)31, /* API Set 1 */ IWL_UCODE_TLV_API_ADAPTIVE_DWELL = (__force iwl_ucode_tlv_api_t)32, + IWL_UCODE_TLV_API_OCE = (__force iwl_ucode_tlv_api_t)33, IWL_UCODE_TLV_API_NEW_BEACON_TEMPLATE = (__force iwl_ucode_tlv_api_t)34, IWL_UCODE_TLV_API_NEW_RX_STATS = (__force iwl_ucode_tlv_api_t)35, IWL_UCODE_TLV_API_QUOTA_LOW_LATENCY = (__force iwl_ucode_tlv_api_t)38, diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c index 7152fdc00fb1..82dc9dec4160 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c @@ -661,6 +661,17 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm) NL80211_EXT_FEATURE_SET_SCAN_DWELL); } + if (iwl_mvm_is_oce_supported(mvm)) { + wiphy_ext_feature_set(hw->wiphy, + NL80211_EXT_FEATURE_ACCEPT_BCAST_PROBE_RESP); + wiphy_ext_feature_set(hw->wiphy, + NL80211_EXT_FEATURE_FILS_MAX_CHANNEL_TIME); + wiphy_ext_feature_set(hw->wiphy, + NL80211_EXT_FEATURE_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION); + wiphy_ext_feature_set(hw->wiphy, + NL80211_EXT_FEATURE_OCE_PROBE_REQ_HIGH_TX_RATE); + } + mvm->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD; #ifdef CONFIG_PM_SLEEP diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h index 625b238a3f0a..bd87cdb36fb2 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h @@ -1155,6 +1155,12 @@ static inline bool iwl_mvm_is_adaptive_dwell_supported(struct iwl_mvm *mvm) IWL_UCODE_TLV_API_ADAPTIVE_DWELL); } +static inline bool iwl_mvm_is_oce_supported(struct iwl_mvm *mvm) +{ + /* OCE should never be enabled for LMAC scan FWs */ + return fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_OCE); +} + static inline bool iwl_mvm_enter_d0i3_on_suspend(struct iwl_mvm *mvm) { /* For now we only use this mode to differentiate between diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/scan.c b/drivers/net/wireless/intel/iwlwifi/mvm/scan.c index f910098e9531..b756d9d0199f 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/scan.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/scan.c @@ -1268,9 +1268,28 @@ static u16 iwl_mvm_scan_umac_flags(struct iwl_mvm *mvm, */ if (iwl_mvm_is_regular_scan(params) && vif->type != NL80211_IFTYPE_P2P_DEVICE && - params->type != IWL_SCAN_TYPE_FRAGMENTED) + params->type != IWL_SCAN_TYPE_FRAGMENTED && + !iwl_mvm_is_adaptive_dwell_supported(mvm) && + !iwl_mvm_is_oce_supported(mvm)) flags |= IWL_UMAC_SCAN_GEN_FLAGS_EXTENDED_DWELL; + if (iwl_mvm_is_oce_supported(mvm)) { + if ((params->flags & + NL80211_SCAN_FLAG_OCE_PROBE_REQ_HIGH_TX_RATE)) + flags |= IWL_UMAC_SCAN_GEN_FLAGS_PROB_REQ_HIGH_TX_RATE; + /* Since IWL_UMAC_SCAN_GEN_FLAGS_EXTENDED_DWELL and + * NL80211_SCAN_FLAG_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION shares + * the same bit, we need to make sure that we use this bit here + * only when IWL_UMAC_SCAN_GEN_FLAGS_EXTENDED_DWELL cannot be + * used. */ + if ((params->flags & + NL80211_SCAN_FLAG_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION) && + !WARN_ON_ONCE(!iwl_mvm_is_adaptive_dwell_supported(mvm))) + flags |= IWL_UMAC_SCAN_GEN_FLAGS_PROB_REQ_DEFER_SUPP; + if ((params->flags & NL80211_SCAN_FLAG_FILS_MAX_CHANNEL_TIME)) + flags |= IWL_UMAC_SCAN_GEN_FLAGS_MAX_CHNL_TIME; + } + return flags; } -- 2.16.2