From patchwork Tue Oct 8 04:25:15 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Miri Korenblit X-Patchwork-Id: 13825624 X-Patchwork-Delegate: johannes@sipsolutions.net Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4FA0E78685 for ; Tue, 8 Oct 2024 04:25:43 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.19 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728361545; cv=none; b=gkXy1ZO978Z/au/QJd35jUjjP15uVGLLi3dCMZvjQKpcN1lDhEx6Pw2WRUeOJyifsP6AW7vvtg5x67+Ro30Cucoc6CMR7alM4vbmn+VAwsaAVDN1RI3qxGvms2bFMJeTC/d4BjaU5pS0BAzyQYS+jk5O14SxfrBSKll4AsMC158= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728361545; c=relaxed/simple; bh=L3MA+5QoBakMaIIKTXEC/tMG9cwsxEwzdkYGUEB7yeY=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=BeZxBFEPwf1RUOqMP082ZgtVhPbfc2DFLRQyosMoGX6rF2NWNt2yJmKhW5ufTl4WNge/eZNVGowJQbJs9JCCpGtnZbNOj3szka1VbSyTOt/ihzQ952g/ULWiyAr6wYvdRRt8SXyInk38aZsbGTy7xT7bpaI8fpc/zbRcrdshnsc= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=m8Gbrxhm; arc=none smtp.client-ip=192.198.163.19 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="m8Gbrxhm" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1728361543; x=1759897543; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=L3MA+5QoBakMaIIKTXEC/tMG9cwsxEwzdkYGUEB7yeY=; b=m8Gbrxhmf0SdYeY92Ug7BBlTv5rc7KO+Fj1xLoAhFGQ3Z1lFIrF1GkIr +r2XJyNoP9DxFyigfpt85MX2ApRnRqb85VuZWsuShU2umElbHNXQ4uosM W+vwq/8FrVvalnOYDU9BL+qjrIUz/8NNz2ALOBmNBuUvZ354G9eqv2Rzd qkRYIqsKj81lqLTyA92lXzKDMdFVIbutneDU/gTef6hXg5S7GwDgIX3jz /eunXwhKxv8SwMs4EVwVqyfLPCjLOCs14BJsc85rFVMWnvDAfZdMqwlzy 58GZcKMGXpiQ3vXg7CTqMRomyN5Pip+5ow51EGqVzgAlDzAT+d0p3ciHd Q==; X-CSE-ConnectionGUID: 734REcq7Ty2Jg9qgkU9c4Q== X-CSE-MsgGUID: zdLAz/KFQwyt6cUvovI4SQ== X-IronPort-AV: E=McAfee;i="6700,10204,11218"; a="27024250" X-IronPort-AV: E=Sophos;i="6.11,185,1725346800"; d="scan'208";a="27024250" Received: from orviesa005.jf.intel.com ([10.64.159.145]) by fmvoesa113.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 Oct 2024 21:25:43 -0700 X-CSE-ConnectionGUID: bRV1hTtXSS6Fjb4OHMwetA== X-CSE-MsgGUID: HtIbkny/RPmoIvvudF0C6g== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.11,185,1725346800"; d="scan'208";a="80486296" Received: from weis0040.iil.intel.com ([10.12.217.108]) by orviesa005-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 Oct 2024 21:25:42 -0700 From: Miri Korenblit To: johannes@sipsolutions.net Cc: linux-wireless@vger.kernel.org, Ilan Peer Subject: [PATCH 01/14] wifi: iwlwifi: mvm: Add support for prep_add_interface() callback Date: Tue, 8 Oct 2024 07:25:15 +0300 Message-Id: <20241008072037.3baf282d0a01.Ife0a929455cb13a95ab197ca765d8db777ff9d89@changeid> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20241008042528.2549752-1-miriam.rachel.korenblit@intel.com> References: <20241008042528.2549752-1-miriam.rachel.korenblit@intel.com> Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Organization: Intel Israel (74) Limited From: Ilan Peer Implement the prep_add_interface() callback, so that in case EMLSR is active and an AP or a P2P interface is do to be added, EMLSR would be blocked. Add a delayed work, so that in case that the interface was not eventually added, EMLSR would be unblocked after 5 seconds. Signed-off-by: Ilan Peer Signed-off-by: Miri Korenblit --- This needs "wifi: mac80211: Add support to indicate that a new interface is to be added" drivers/net/wireless/intel/iwlwifi/mvm/link.c | 1 + .../net/wireless/intel/iwlwifi/mvm/mac80211.c | 22 +++++++++++++ .../wireless/intel/iwlwifi/mvm/mld-mac80211.c | 31 +++++++++++++++++++ drivers/net/wireless/intel/iwlwifi/mvm/mvm.h | 7 +++++ 4 files changed, 61 insertions(+) diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/link.c b/drivers/net/wireless/intel/iwlwifi/mvm/link.c index 2b0652168002..19ecd215f1dc 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/link.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/link.c @@ -12,6 +12,7 @@ HOW(BLOCKED_FW) \ HOW(BLOCKED_NON_BSS) \ HOW(BLOCKED_ROC) \ + HOW(BLOCKED_TMP_NON_BSS) \ HOW(EXIT_MISSED_BEACON) \ HOW(EXIT_LOW_RSSI) \ HOW(EXIT_COEX) \ diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c index 3721d6349cc5..99e017f365e0 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c @@ -1731,6 +1731,21 @@ static void iwl_mvm_unblock_esr_tpt(struct wiphy *wiphy, struct wiphy_work *wk) iwl_mvm_unblock_esr(mvm, vif, IWL_MVM_ESR_BLOCKED_TPT); } +static void iwl_mvm_unblock_esr_tmp_non_bss(struct wiphy *wiphy, + struct wiphy_work *wk) +{ + struct iwl_mvm_vif *mvmvif = + container_of(wk, struct iwl_mvm_vif, + unblock_esr_tmp_non_bss_wk.work); + struct iwl_mvm *mvm = mvmvif->mvm; + struct ieee80211_vif *vif = + container_of((void *)mvmvif, struct ieee80211_vif, drv_priv); + + mutex_lock(&mvm->mutex); + iwl_mvm_unblock_esr(mvm, vif, IWL_MVM_ESR_BLOCKED_TMP_NON_BSS); + mutex_unlock(&mvm->mutex); +} + void iwl_mvm_mac_init_mvmvif(struct iwl_mvm *mvm, struct iwl_mvm_vif *mvmvif) { lockdep_assert_held(&mvm->mutex); @@ -1749,6 +1764,9 @@ void iwl_mvm_mac_init_mvmvif(struct iwl_mvm *mvm, struct iwl_mvm_vif *mvmvif) wiphy_work_init(&mvmvif->unblock_esr_tpt_wk, iwl_mvm_unblock_esr_tpt); + + wiphy_delayed_work_init(&mvmvif->unblock_esr_tmp_non_bss_wk, + iwl_mvm_unblock_esr_tmp_non_bss); } static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw, @@ -1899,6 +1917,8 @@ void iwl_mvm_prepare_mac_removal(struct iwl_mvm *mvm, &mvmvif->mlo_int_scan_wk); wiphy_work_cancel(mvm->hw->wiphy, &mvmvif->unblock_esr_tpt_wk); + wiphy_delayed_work_cancel(mvm->hw->wiphy, + &mvmvif->unblock_esr_tmp_non_bss_wk); cancel_delayed_work_sync(&mvmvif->csa_work); } @@ -4075,6 +4095,8 @@ iwl_mvm_sta_state_authorized_to_assoc(struct iwl_mvm *mvm, &mvmvif->mlo_int_scan_wk); wiphy_work_cancel(mvm->hw->wiphy, &mvmvif->unblock_esr_tpt_wk); + wiphy_delayed_work_cancel(mvm->hw->wiphy, + &mvmvif->unblock_esr_tmp_non_bss_wk); /* No need for the periodic statistics anymore */ if (ieee80211_vif_is_mld(vif) && mvmvif->esr_active) diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mld-mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mld-mac80211.c index 7de6c96646ca..3947f6a0e0cf 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mld-mac80211.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mld-mac80211.c @@ -1376,6 +1376,36 @@ iwl_mvm_mld_mac_pre_channel_switch(struct ieee80211_hw *hw, return ret; } +#define IWL_MVM_MLD_UNBLOCK_ESR_NON_BSS_TIMEOUT (5 * HZ) + +static void iwl_mvm_mld_prep_add_interface(struct ieee80211_hw *hw, + enum nl80211_iftype type) +{ + struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); + struct ieee80211_vif *bss_vif = iwl_mvm_get_bss_vif(mvm); + struct iwl_mvm_vif *mvmvif; + int ret; + + IWL_DEBUG_MAC80211(mvm, "prep_add_interface: type=%u\n", + type); + + if (IS_ERR_OR_NULL(bss_vif) || + !(type == NL80211_IFTYPE_AP || + type == NL80211_IFTYPE_P2P_GO || + type == NL80211_IFTYPE_P2P_CLIENT)) + return; + + mvmvif = iwl_mvm_vif_from_mac80211(bss_vif); + ret = iwl_mvm_block_esr_sync(mvm, bss_vif, + IWL_MVM_ESR_BLOCKED_TMP_NON_BSS); + if (ret) + return; + + wiphy_delayed_work_queue(mvmvif->mvm->hw->wiphy, + &mvmvif->unblock_esr_tmp_non_bss_wk, + IWL_MVM_MLD_UNBLOCK_ESR_NON_BSS_TIMEOUT); +} + const struct ieee80211_ops iwl_mvm_mld_hw_ops = { .tx = iwl_mvm_mac_tx, .wake_tx_queue = iwl_mvm_mac_wake_tx_queue, @@ -1472,4 +1502,5 @@ const struct ieee80211_ops iwl_mvm_mld_hw_ops = { .change_sta_links = iwl_mvm_mld_change_sta_links, .can_activate_links = iwl_mvm_mld_can_activate_links, .can_neg_ttlm = iwl_mvm_mld_can_neg_ttlm, + .prep_add_interface = iwl_mvm_mld_prep_add_interface, }; diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h index 6246ffce7cf8..3f7b6465130a 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h @@ -361,6 +361,9 @@ struct iwl_mvm_vif_link_info { * @IWL_MVM_ESR_BLOCKED_NON_BSS: An active non-BSS interface's link is * preventing EMLSR * @IWL_MVM_ESR_BLOCKED_ROC: remain-on-channel is preventing EMLSR + * @IWL_MVM_ESR_BLOCKED_TMP_NON_BSS: An expected active non-BSS interface's link + * is preventing EMLSR. This is a temporary blocking that is set when there + * is an indication that a non-BSS interface is to be added. * @IWL_MVM_ESR_EXIT_MISSED_BEACON: exited EMLSR due to missed beacons * @IWL_MVM_ESR_EXIT_LOW_RSSI: link is deactivated/not allowed for EMLSR * due to low RSSI. @@ -379,6 +382,7 @@ enum iwl_mvm_esr_state { IWL_MVM_ESR_BLOCKED_FW = 0x8, IWL_MVM_ESR_BLOCKED_NON_BSS = 0x10, IWL_MVM_ESR_BLOCKED_ROC = 0x20, + IWL_MVM_ESR_BLOCKED_TMP_NON_BSS = 0x40, IWL_MVM_ESR_EXIT_MISSED_BEACON = 0x10000, IWL_MVM_ESR_EXIT_LOW_RSSI = 0x20000, IWL_MVM_ESR_EXIT_COEX = 0x40000, @@ -452,6 +456,8 @@ struct iwl_mvm_esr_exit { * @prevent_esr_done_wk: work that should be done when esr prevention ends. * @mlo_int_scan_wk: work for the internal MLO scan. * @unblock_esr_tpt_wk: work for unblocking EMLSR when tpt is high enough. + * @unblock_esr_tmp_non_bss_wk: work for removing the + * IWL_MVM_ESR_BLOCKED_TMP_NON_BSS blocking for EMLSR. * @roc_activity: currently running ROC activity for this vif (or * ROC_NUM_ACTIVITIES if no activity is running). * @session_prot_connection_loss: the connection was lost due to session @@ -588,6 +594,7 @@ struct iwl_mvm_vif { struct wiphy_delayed_work prevent_esr_done_wk; struct wiphy_delayed_work mlo_int_scan_wk; struct wiphy_work unblock_esr_tpt_wk; + struct wiphy_delayed_work unblock_esr_tmp_non_bss_wk; struct iwl_mvm_vif_link_info deflink; struct iwl_mvm_vif_link_info *link[IEEE80211_MLD_MAX_NUM_LINKS];