From patchwork Thu Dec 5 20:30:43 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kalle Valo X-Patchwork-Id: 13895991 X-Patchwork-Delegate: quic_jjohnson@quicinc.com Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 E7D911B87C7; Thu, 5 Dec 2024 20:30:56 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733430657; cv=none; b=tuI0JM72BkReDwGJcl+R5+WSQxPDkXjTo4ym4oQ6P5+9PxUcSdP7mJCfa92V9v10wM6AP1x8ArUdZ2dusUb3YxNZ6jmSL96FU25wjMV4In958jSgulopvpNrEYpu0H5nPd4NLRUQyc2imUjxHlky9E6FBLrUhysv9WIlunA03JU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733430657; c=relaxed/simple; bh=d0QZughSZQWEuh5lk2IPYSI2BmSOFSPhXvF7DYFzblM=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=F5wRrU5KZhmoCT98OwreaS920E2WRND1+dKgzWyCMOJBdmr2AtZ5qj+wjmoB0jTo/jN3C73ueEheaMs2rQAFNQ294WeJeod+42lCXt0IYEe8A/OB2PlGGW41q2AjTWHd+JBUNaQleeFd0AaAtikyUSVoV4/VtU953eliiCc6fPk= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=EbJVePKQ; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="EbJVePKQ" Received: by smtp.kernel.org (Postfix) with ESMTPSA id AFD7FC4CEDC; Thu, 5 Dec 2024 20:30:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1733430656; bh=d0QZughSZQWEuh5lk2IPYSI2BmSOFSPhXvF7DYFzblM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=EbJVePKQ7bMgeCeCYh3Tz73Z3MBtDaIvS+BMv1/g39Un6Fuv8vMQeq6TyW/5+pCth 6NlwW++ITCM5DyEABZfvrM08tQz00n9XBkrf0EBa0JOzSpynyI6jlW1YInOhefXmq9 /MGq9s9N+viZilIDLQfRJSRWAw7wbS/mf7dYueQ+z0SBx7RRgn9LUowu7ermLJjhbk Jt1nABabq/hnvWPQDE+C55dI2TNIRtIMNAUaWE+8XV9NbE7jxTp8G8oMDsFiK40SO1 0Nu1xGzh9WIULKuvmtvC3XvoAykCMTSjVXp8ygFpSHJKpBSqWzrkKXMG3p/ZsuE7OD U0ZkpJ9ZMre6g== From: Kalle Valo To: ath12k@lists.infradead.org Cc: linux-wireless@vger.kernel.org, devicetree@vger.kernel.org Subject: [PATCH 7/8] wifi: ath12k: enable MLO setup and teardown from core Date: Thu, 5 Dec 2024 22:30:43 +0200 Message-Id: <20241205203044.589499-8-kvalo@kernel.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20241205203044.589499-1-kvalo@kernel.org> References: <20241205203044.589499-1-kvalo@kernel.org> Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Karthikeyan Periyasamy In case of multi device group abstraction, host has to exchange the multi-link operation commands such as setup and ready to firmware before registering the device group to mac80211. The multi-link operation commands - setup, ready and teardown are necessary for many commands such as WMI_PEER_ASSOC_CMD, WMI_BCN_TMPL_CMD in case of multi-link interfaces. Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.3.1-00173-QCAHKSWPL_SILICONZ-1 Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3 Signed-off-by: Karthikeyan Periyasamy Signed-off-by: Harshitha Prem Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath12k/core.c | 73 ++++++++++++- drivers/net/wireless/ath/ath12k/core.h | 3 + drivers/net/wireless/ath/ath12k/mac.c | 142 +++++++++++++++++++++++++ drivers/net/wireless/ath/ath12k/mac.h | 3 + drivers/net/wireless/ath/ath12k/wmi.c | 3 + drivers/net/wireless/ath/ath12k/wmi.h | 1 + 6 files changed, 224 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/ath/ath12k/core.c b/drivers/net/wireless/ath/ath12k/core.c index 1a43e00cffb2..af642b466ea0 100644 --- a/drivers/net/wireless/ath/ath12k/core.c +++ b/drivers/net/wireless/ath/ath12k/core.c @@ -887,6 +887,70 @@ static void ath12k_core_hw_group_stop(struct ath12k_hw_group *ag) ath12k_mac_destroy(ag); } +static int __ath12k_mac_mlo_ready(struct ath12k *ar) +{ + int ret; + + ret = ath12k_wmi_mlo_ready(ar); + if (ret) { + ath12k_err(ar->ab, "MLO ready failed for pdev %d: %d\n", + ar->pdev_idx, ret); + return ret; + } + + ath12k_dbg(ar->ab, ATH12K_DBG_MAC, "mlo ready done for pdev %d\n", + ar->pdev_idx); + + return 0; +} + +int ath12k_mac_mlo_ready(struct ath12k_hw_group *ag) +{ + struct ath12k_hw *ah; + struct ath12k *ar; + int ret; + int i, j; + + for (i = 0; i < ag->num_hw; i++) { + ah = ag->ah[i]; + if (!ah) + continue; + + for_each_ar(ah, ar, j) { + ar = &ah->radio[j]; + ret = __ath12k_mac_mlo_ready(ar); + if (ret) + goto out; + } + } + +out: + return ret; +} + +static int ath12k_core_mlo_setup(struct ath12k_hw_group *ag) +{ + int ret; + + if (!ag->mlo_capable || ag->num_devices == 1) + return 0; + + ret = ath12k_mac_mlo_setup(ag); + if (ret) + return ret; + + ret = ath12k_mac_mlo_ready(ag); + if (ret) + goto err_mlo_teardown; + + return 0; + +err_mlo_teardown: + ath12k_mac_mlo_teardown(ag); + + return ret; +} + static int ath12k_core_hw_group_start(struct ath12k_hw_group *ag) { struct ath12k_base *ab; @@ -901,10 +965,14 @@ static int ath12k_core_hw_group_start(struct ath12k_hw_group *ag) if (WARN_ON(ret)) return ret; - ret = ath12k_mac_register(ag); + ret = ath12k_core_mlo_setup(ag); if (WARN_ON(ret)) goto err_mac_destroy; + ret = ath12k_mac_register(ag); + if (WARN_ON(ret)) + goto err_mlo_teardown; + set_bit(ATH12K_GROUP_FLAG_REGISTERED, &ag->flags); core_pdev_create: @@ -939,6 +1007,9 @@ static int ath12k_core_hw_group_start(struct ath12k_hw_group *ag) ath12k_core_hw_group_stop(ag); return ret; +err_mlo_teardown: + ath12k_mac_mlo_teardown(ag); + err_mac_destroy: ath12k_mac_destroy(ag); diff --git a/drivers/net/wireless/ath/ath12k/core.h b/drivers/net/wireless/ath/ath12k/core.h index bf310df3d8f7..dc01f7b3fd73 100644 --- a/drivers/net/wireless/ath/ath12k/core.h +++ b/drivers/net/wireless/ath/ath12k/core.h @@ -715,6 +715,9 @@ struct ath12k { u32 freq_high; bool nlo_enabled; + + struct completion mlo_setup_done; + u32 mlo_setup_status; }; struct ath12k_hw { diff --git a/drivers/net/wireless/ath/ath12k/mac.c b/drivers/net/wireless/ath/ath12k/mac.c index c4eab4c1c10e..23c5c8fd952d 100644 --- a/drivers/net/wireless/ath/ath12k/mac.c +++ b/drivers/net/wireless/ath/ath12k/mac.c @@ -10810,6 +10810,7 @@ static void ath12k_mac_setup(struct ath12k *ar) init_completion(&ar->scan.started); init_completion(&ar->scan.completed); init_completion(&ar->scan.on_channel); + init_completion(&ar->mlo_setup_done); INIT_DELAYED_WORK(&ar->scan.timeout, ath12k_scan_timeout_work); INIT_WORK(&ar->regd_update_work, ath12k_regd_update_work); @@ -10818,6 +10819,147 @@ static void ath12k_mac_setup(struct ath12k *ar) skb_queue_head_init(&ar->wmi_mgmt_tx_queue); } +static int __ath12k_mac_mlo_setup(struct ath12k *ar) +{ + u8 num_link = 0, partner_link_id[ATH12K_GROUP_MAX_RADIO] = {}; + struct ath12k_base *partner_ab, *ab = ar->ab; + struct ath12k_hw_group *ag = ab->ag; + struct wmi_mlo_setup_arg mlo = {}; + struct ath12k_pdev *pdev; + unsigned long time_left; + int i, j, ret; + + lockdep_assert_held(&ag->mutex); + + reinit_completion(&ar->mlo_setup_done); + + for (i = 0; i < ag->num_devices; i++) { + partner_ab = ag->ab[i]; + + for (j = 0; j < partner_ab->num_radios; j++) { + pdev = &partner_ab->pdevs[j]; + + /* Avoid the self link */ + if (ar == pdev->ar) + continue; + + partner_link_id[num_link] = pdev->hw_link_id; + num_link++; + + ath12k_dbg(ab, ATH12K_DBG_MAC, "device %d pdev %d hw_link_id %d num_link %d\n", + i, j, pdev->hw_link_id, num_link); + } + } + + mlo.group_id = cpu_to_le32(ag->id); + mlo.partner_link_id = partner_link_id; + mlo.num_partner_links = num_link; + ar->mlo_setup_status = 0; + + ath12k_dbg(ab, ATH12K_DBG_MAC, "group id %d num_link %d\n", ag->id, num_link); + + ret = ath12k_wmi_mlo_setup(ar, &mlo); + if (ret) { + ath12k_err(ab, "failed to send setup MLO WMI command for pdev %d: %d\n", + ar->pdev_idx, ret); + return ret; + } + + time_left = wait_for_completion_timeout(&ar->mlo_setup_done, + WMI_MLO_CMD_TIMEOUT_HZ); + + if (!time_left || ar->mlo_setup_status) + return ar->mlo_setup_status ? : -ETIMEDOUT; + + ath12k_dbg(ab, ATH12K_DBG_MAC, "mlo setup done for pdev %d\n", ar->pdev_idx); + + return 0; +} + +static int __ath12k_mac_mlo_teardown(struct ath12k *ar) +{ + struct ath12k_base *ab = ar->ab; + int ret; + + if (test_bit(ATH12K_FLAG_RECOVERY, &ab->dev_flags)) + return 0; + + ret = ath12k_wmi_mlo_teardown(ar); + if (ret) { + ath12k_warn(ab, "failed to send MLO teardown WMI command for pdev %d: %d\n", + ar->pdev_idx, ret); + return ret; + } + + ath12k_dbg(ab, ATH12K_DBG_MAC, "mlo teardown for pdev %d\n", ar->pdev_idx); + + return 0; +} + +int ath12k_mac_mlo_setup(struct ath12k_hw_group *ag) +{ + struct ath12k_hw *ah; + struct ath12k *ar; + int ret; + int i, j; + + for (i = 0; i < ag->num_hw; i++) { + ah = ag->ah[i]; + if (!ah) + continue; + + for_each_ar(ah, ar, j) { + ar = &ah->radio[j]; + ret = __ath12k_mac_mlo_setup(ar); + if (ret) { + ath12k_err(ar->ab, "failed to setup MLO: %d\n", ret); + goto err_setup; + } + } + } + + return 0; + +err_setup: + for (i = i - 1; i >= 0; i--) { + ah = ag->ah[i]; + if (!ah) + continue; + + for (j = j - 1; j >= 0; j--) { + ar = &ah->radio[j]; + if (!ar) + continue; + + __ath12k_mac_mlo_teardown(ar); + } + } + + return ret; +} + +void ath12k_mac_mlo_teardown(struct ath12k_hw_group *ag) +{ + struct ath12k_hw *ah; + struct ath12k *ar; + int ret, i, j; + + for (i = 0; i < ag->num_hw; i++) { + ah = ag->ah[i]; + if (!ah) + continue; + + for_each_ar(ah, ar, j) { + ar = &ah->radio[j]; + ret = __ath12k_mac_mlo_teardown(ar); + if (ret) { + ath12k_err(ar->ab, "failed to teardown MLO: %d\n", ret); + break; + } + } + } +} + int ath12k_mac_register(struct ath12k_hw_group *ag) { struct ath12k_base *ab = ag->ab[0]; diff --git a/drivers/net/wireless/ath/ath12k/mac.h b/drivers/net/wireless/ath/ath12k/mac.h index ccfc215d83ff..81cfb950e6cd 100644 --- a/drivers/net/wireless/ath/ath12k/mac.h +++ b/drivers/net/wireless/ath/ath12k/mac.h @@ -96,6 +96,9 @@ int ath12k_mac_vif_set_keepalive(struct ath12k_link_vif *arvif, enum wmi_sta_keepalive_method method, u32 interval); u8 ath12k_mac_get_target_pdev_id(struct ath12k *ar); +int ath12k_mac_mlo_setup(struct ath12k_hw_group *ag); +int ath12k_mac_mlo_ready(struct ath12k_hw_group *ag); +void ath12k_mac_mlo_teardown(struct ath12k_hw_group *ag); int ath12k_mac_vdev_stop(struct ath12k_link_vif *arvif); #endif diff --git a/drivers/net/wireless/ath/ath12k/wmi.c b/drivers/net/wireless/ath/ath12k/wmi.c index 8f4b0941360d..10a6ba926343 100644 --- a/drivers/net/wireless/ath/ath12k/wmi.c +++ b/drivers/net/wireless/ath/ath12k/wmi.c @@ -7369,6 +7369,9 @@ static void ath12k_wmi_event_mlo_setup_complete(struct ath12k_base *ab, goto out; } + ar->mlo_setup_status = le32_to_cpu(ev->status); + complete(&ar->mlo_setup_done); + out: kfree(tb); } diff --git a/drivers/net/wireless/ath/ath12k/wmi.h b/drivers/net/wireless/ath/ath12k/wmi.h index 640720b68782..270ed458302e 100644 --- a/drivers/net/wireless/ath/ath12k/wmi.h +++ b/drivers/net/wireless/ath/ath12k/wmi.h @@ -4938,6 +4938,7 @@ struct wmi_probe_tmpl_cmd { #define MAX_RADIOS 2 +#define WMI_MLO_CMD_TIMEOUT_HZ (5 * HZ) #define WMI_SERVICE_READY_TIMEOUT_HZ (5 * HZ) #define WMI_SEND_TIMEOUT_HZ (3 * HZ)