From patchwork Thu Apr 8 01:12:24 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Aloka Dixit X-Patchwork-Id: 418636 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B2ECFC433B4 for ; Thu, 8 Apr 2021 01:12:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 73BCE6113A for ; Thu, 8 Apr 2021 01:12:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229529AbhDHBMq (ORCPT ); Wed, 7 Apr 2021 21:12:46 -0400 Received: from m43-7.mailgun.net ([69.72.43.7]:21469 "EHLO m43-7.mailgun.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229497AbhDHBMq (ORCPT ); Wed, 7 Apr 2021 21:12:46 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1617844356; h=Content-Transfer-Encoding: MIME-Version: References: In-Reply-To: Message-Id: Date: Subject: Cc: To: From: Sender; bh=rh/RqCa7A5mvj+q+IdUwxsW+jPxcC9piy12YNmJF5is=; b=ku1+A+cbI2LhVWUv2pLHp2yaTx0e3wkMcL6owCHJymSmtza5NO8uPEUw3Oi6j5W8Muu27TcX iuzoJ0oPbtmpVnng5Thu2FZtsKx+BB+74aW9hy5TaXI7xQZ9OGuwBk0NDjbFONwUBzlLAs1W 5ZNGuxEgrtcw1nyM18Qd0gsq6Z0= X-Mailgun-Sending-Ip: 69.72.43.7 X-Mailgun-Sid: WyI3YTAwOSIsICJsaW51eC13aXJlbGVzc0B2Z2VyLmtlcm5lbC5vcmciLCAiYmU5ZTRhIl0= Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by smtp-out-n03.prod.us-east-1.postgun.com with SMTP id 606e588303cfff345299e75c (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Thu, 08 Apr 2021 01:12:35 GMT Sender: alokad=codeaurora.org@mg.codeaurora.org Received: by smtp.codeaurora.org (Postfix, from userid 1001) id E3F00C43463; Thu, 8 Apr 2021 01:12:34 +0000 (UTC) Received: from alokad-linux.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: alokad) by smtp.codeaurora.org (Postfix) with ESMTPSA id C21F1C433CA; Thu, 8 Apr 2021 01:12:32 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org C21F1C433CA Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=fail smtp.mailfrom=alokad@codeaurora.org From: Aloka Dixit To: kvalo@codeaurora.org Cc: linux-wireless@vger.kernel.org, ath11k@lists.infradead.org, John Crispin , Aloka Dixit Subject: [PATCH V6 1/2] ath11k: add WMI calls to manually add/del/pause/resume TWT dialogs Date: Wed, 7 Apr 2021 18:12:24 -0700 Message-Id: <20210408011225.1989-2-alokad@codeaurora.org> X-Mailer: git-send-email 2.25.0 In-Reply-To: <20210408011225.1989-1-alokad@codeaurora.org> References: <20210408011225.1989-1-alokad@codeaurora.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org From: John Crispin These calls are used for debugging and will be required for WFA certification tests. Tested-on: IPQ8074 hw2.0 AHB WLAN.HK.2.5.0.1-00680-QCAHKSWPL_SILICONZ-1 Signed-off-by: John Crispin Signed-off-by: Aloka Dixit --- Changes in V6 * new function ath11k_wmi_twt_add_dialog_event_status() * re-added WMI_TAG_TWT_ADD_DIALOG_COMPLETE_EVENT in wmi_tlv_policies which was missed in V5. Changes in V5 * Setting and resetting of twt_enabled in WMI functions * ath11k_dbg() instead of ath11k_info() in ath11k_wmi_twt_add_dialog_event() * Made WMI error messages more readable drivers/net/wireless/ath/ath11k/core.h | 1 + drivers/net/wireless/ath/ath11k/wmi.c | 247 ++++++++++++++++++++++++- drivers/net/wireless/ath/ath11k/wmi.h | 114 ++++++++++++ 3 files changed, 358 insertions(+), 4 deletions(-) base-commit: 1924a31a1d7c49a87dad0c6df7a3bff3d68cc462 diff --git a/drivers/net/wireless/ath/ath11k/core.h b/drivers/net/wireless/ath/ath11k/core.h index 55af982deca7..b59bf2c28193 100644 --- a/drivers/net/wireless/ath/ath11k/core.h +++ b/drivers/net/wireless/ath/ath11k/core.h @@ -566,6 +566,7 @@ struct ath11k { #endif bool dfs_block_radar_events; struct ath11k_thermal thermal; + u8 twt_enabled; }; struct ath11k_band_cap { diff --git a/drivers/net/wireless/ath/ath11k/wmi.c b/drivers/net/wireless/ath/ath11k/wmi.c index 5ca2d80679b6..ec260ca22573 100644 --- a/drivers/net/wireless/ath/ath11k/wmi.c +++ b/drivers/net/wireless/ath/ath11k/wmi.c @@ -128,6 +128,8 @@ static const struct wmi_tlv_policy wmi_tlv_policies[] = { .min_len = sizeof(struct wmi_probe_resp_tx_status_event) }, [WMI_TAG_VDEV_DELETE_RESP_EVENT] = { .min_len = sizeof(struct wmi_vdev_delete_resp_event) }, + [WMI_TAG_TWT_ADD_DIALOG_COMPLETE_EVENT] = { + .min_len = sizeof(struct wmi_twt_add_dialog_event) }, }; #define PRIMAP(_hw_mode_) \ @@ -2897,11 +2899,12 @@ ath11k_wmi_send_twt_enable_cmd(struct ath11k *ar, u32 pdev_id) /* TODO add MBSSID support */ cmd->mbss_support = 0; - ret = ath11k_wmi_cmd_send(wmi, skb, - WMI_TWT_ENABLE_CMDID); + ret = ath11k_wmi_cmd_send(wmi, skb, WMI_TWT_ENABLE_CMDID); if (ret) { ath11k_warn(ab, "Failed to send WMI_TWT_ENABLE_CMDID"); dev_kfree_skb(skb); + } else { + ar->twt_enabled = 1; } return ret; } @@ -2926,11 +2929,181 @@ ath11k_wmi_send_twt_disable_cmd(struct ath11k *ar, u32 pdev_id) FIELD_PREP(WMI_TLV_LEN, len - TLV_HDR_SIZE); cmd->pdev_id = pdev_id; - ret = ath11k_wmi_cmd_send(wmi, skb, - WMI_TWT_DISABLE_CMDID); + ret = ath11k_wmi_cmd_send(wmi, skb, WMI_TWT_DISABLE_CMDID); if (ret) { ath11k_warn(ab, "Failed to send WMI_TWT_DISABLE_CMDID"); dev_kfree_skb(skb); + } else { + ar->twt_enabled = 0; + } + return ret; +} + +int ath11k_wmi_send_twt_add_dialog_cmd(struct ath11k *ar, + struct wmi_twt_add_dialog_params *params) +{ + struct ath11k_pdev_wmi *wmi = ar->wmi; + struct ath11k_base *ab = wmi->wmi_ab->ab; + struct wmi_twt_add_dialog_params_cmd *cmd; + struct sk_buff *skb; + int ret, len; + + len = sizeof(*cmd); + + skb = ath11k_wmi_alloc_skb(wmi->wmi_ab, len); + if (!skb) + return -ENOMEM; + + cmd = (struct wmi_twt_add_dialog_params_cmd *)skb->data; + cmd->tlv_header = FIELD_PREP(WMI_TLV_TAG, WMI_TAG_TWT_ADD_DIALOG_CMD) | + FIELD_PREP(WMI_TLV_LEN, len - TLV_HDR_SIZE); + + cmd->vdev_id = params->vdev_id; + ether_addr_copy(cmd->peer_macaddr.addr, params->peer_macaddr); + cmd->dialog_id = params->dialog_id; + cmd->wake_intvl_us = params->wake_intvl_us; + cmd->wake_intvl_mantis = params->wake_intvl_mantis; + cmd->wake_dura_us = params->wake_dura_us; + cmd->sp_offset_us = params->sp_offset_us; + cmd->flags = params->twt_cmd; + if (params->flag_bcast) + cmd->flags |= WMI_TWT_ADD_DIALOG_FLAG_BCAST; + if (params->flag_trigger) + cmd->flags |= WMI_TWT_ADD_DIALOG_FLAG_TRIGGER; + if (params->flag_flow_type) + cmd->flags |= WMI_TWT_ADD_DIALOG_FLAG_FLOW_TYPE; + if (params->flag_protection) + cmd->flags |= WMI_TWT_ADD_DIALOG_FLAG_PROTECTION; + + ath11k_dbg(ar->ab, ATH11K_DBG_WMI, + "wmi add twt dialog vdev %u dialog id %u wake interval %u mantissa %u wake duration %u service period offset %u flags 0x%x\n", + cmd->vdev_id, cmd->dialog_id, cmd->wake_intvl_us, + cmd->wake_intvl_mantis, cmd->wake_dura_us, cmd->sp_offset_us, + cmd->flags); + + ret = ath11k_wmi_cmd_send(wmi, skb, WMI_TWT_ADD_DIALOG_CMDID); + + if (ret) { + ath11k_warn(ab, + "failed to send wmi command to add twt dialog: %d", + ret); + dev_kfree_skb(skb); + } + return ret; +} + +int ath11k_wmi_send_twt_del_dialog_cmd(struct ath11k *ar, + struct wmi_twt_del_dialog_params *params) +{ + struct ath11k_pdev_wmi *wmi = ar->wmi; + struct ath11k_base *ab = wmi->wmi_ab->ab; + struct wmi_twt_del_dialog_params_cmd *cmd; + struct sk_buff *skb; + int ret, len; + + len = sizeof(*cmd); + + skb = ath11k_wmi_alloc_skb(wmi->wmi_ab, len); + if (!skb) + return -ENOMEM; + + cmd = (struct wmi_twt_del_dialog_params_cmd *)skb->data; + cmd->tlv_header = FIELD_PREP(WMI_TLV_TAG, WMI_TAG_TWT_DEL_DIALOG_CMD) | + FIELD_PREP(WMI_TLV_LEN, len - TLV_HDR_SIZE); + + cmd->vdev_id = params->vdev_id; + ether_addr_copy(cmd->peer_macaddr.addr, params->peer_macaddr); + cmd->dialog_id = params->dialog_id; + + ath11k_dbg(ar->ab, ATH11K_DBG_WMI, + "wmi delete twt dialog vdev %u dialog id %u\n", + cmd->vdev_id, cmd->dialog_id); + + ret = ath11k_wmi_cmd_send(wmi, skb, WMI_TWT_DEL_DIALOG_CMDID); + if (ret) { + ath11k_warn(ab, + "failed to send wmi command to delete twt dialog: %d", + ret); + dev_kfree_skb(skb); + } + return ret; +} + +int ath11k_wmi_send_twt_pause_dialog_cmd(struct ath11k *ar, + struct wmi_twt_pause_dialog_params *params) +{ + struct ath11k_pdev_wmi *wmi = ar->wmi; + struct ath11k_base *ab = wmi->wmi_ab->ab; + struct wmi_twt_pause_dialog_params_cmd *cmd; + struct sk_buff *skb; + int ret, len; + + len = sizeof(*cmd); + + skb = ath11k_wmi_alloc_skb(wmi->wmi_ab, len); + if (!skb) + return -ENOMEM; + + cmd = (struct wmi_twt_pause_dialog_params_cmd *)skb->data; + cmd->tlv_header = FIELD_PREP(WMI_TLV_TAG, + WMI_TAG_TWT_PAUSE_DIALOG_CMD) | + FIELD_PREP(WMI_TLV_LEN, len - TLV_HDR_SIZE); + + cmd->vdev_id = params->vdev_id; + ether_addr_copy(cmd->peer_macaddr.addr, params->peer_macaddr); + cmd->dialog_id = params->dialog_id; + + ath11k_dbg(ar->ab, ATH11K_DBG_WMI, + "wmi pause twt dialog vdev %u dialog id %u\n", + cmd->vdev_id, cmd->dialog_id); + + ret = ath11k_wmi_cmd_send(wmi, skb, WMI_TWT_PAUSE_DIALOG_CMDID); + if (ret) { + ath11k_warn(ab, + "failed to send wmi command to pause twt dialog: %d", + ret); + dev_kfree_skb(skb); + } + return ret; +} + +int ath11k_wmi_send_twt_resume_dialog_cmd(struct ath11k *ar, + struct wmi_twt_resume_dialog_params *params) +{ + struct ath11k_pdev_wmi *wmi = ar->wmi; + struct ath11k_base *ab = wmi->wmi_ab->ab; + struct wmi_twt_resume_dialog_params_cmd *cmd; + struct sk_buff *skb; + int ret, len; + + len = sizeof(*cmd); + + skb = ath11k_wmi_alloc_skb(wmi->wmi_ab, len); + if (!skb) + return -ENOMEM; + + cmd = (struct wmi_twt_resume_dialog_params_cmd *)skb->data; + cmd->tlv_header = FIELD_PREP(WMI_TLV_TAG, + WMI_TAG_TWT_RESUME_DIALOG_CMD) | + FIELD_PREP(WMI_TLV_LEN, len - TLV_HDR_SIZE); + + cmd->vdev_id = params->vdev_id; + ether_addr_copy(cmd->peer_macaddr.addr, params->peer_macaddr); + cmd->dialog_id = params->dialog_id; + cmd->sp_offset_us = params->sp_offset_us; + cmd->next_twt_size = params->next_twt_size; + + ath11k_dbg(ar->ab, ATH11K_DBG_WMI, + "wmi resume twt dialog vdev %u dialog id %u service period offset %u next twt subfield size %u\n", + cmd->vdev_id, cmd->dialog_id, cmd->sp_offset_us, + cmd->next_twt_size); + + ret = ath11k_wmi_cmd_send(wmi, skb, WMI_TWT_RESUME_DIALOG_CMDID); + if (ret) { + ath11k_warn(ab, + "failed to send wmi command to resume twt dialog: %d", + ret); + dev_kfree_skb(skb); } return ret; } @@ -6967,6 +7140,66 @@ static void ath11k_wmi_event_wow_wakeup_host(struct ath11k_base *ab, struct sk_b complete(&ab->wow.wakeup_completed); } +static const char *ath11k_wmi_twt_add_dialog_event_status(u32 status) +{ + switch (status) { + case WMI_ADD_TWT_STATUS_OK: + return "ok"; + case WMI_ADD_TWT_STATUS_TWT_NOT_ENABLED: + return "twt disabled"; + case WMI_ADD_TWT_STATUS_USED_DIALOG_ID: + return "dialog id in use"; + case WMI_ADD_TWT_STATUS_INVALID_PARAM: + return "invalid parameters"; + case WMI_ADD_TWT_STATUS_NOT_READY: + return "not ready"; + case WMI_ADD_TWT_STATUS_NO_RESOURCE: + return "resource unavailable"; + case WMI_ADD_TWT_STATUS_NO_ACK: + return "no ack"; + case WMI_ADD_TWT_STATUS_NO_RESPONSE: + return "no response"; + case WMI_ADD_TWT_STATUS_DENIED: + return "denied"; + case WMI_ADD_TWT_STATUS_UNKNOWN_ERROR: + fallthrough; + default: + return "unknown error"; + } +} + +static void ath11k_wmi_twt_add_dialog_event(struct ath11k_base *ab, + struct sk_buff *skb) +{ + const void **tb; + const struct wmi_twt_add_dialog_event *ev; + int ret; + + tb = ath11k_wmi_tlv_parse_alloc(ab, skb->data, skb->len, GFP_ATOMIC); + if (IS_ERR(tb)) { + ret = PTR_ERR(tb); + ath11k_warn(ab, + "failed to parse wmi twt add dialog status event tlv: %d\n", + ret); + return; + } + + ev = tb[WMI_TAG_TWT_ADD_DIALOG_COMPLETE_EVENT]; + if (!ev) { + ath11k_warn(ab, "failed to fetch twt add dialog wmi event\n"); + goto exit; + } + + if (ev->status) + ath11k_warn(ab, + "wmi add twt dialog event vdev %d dialog id %d status %s\n", + ev->vdev_id, ev->dialog_id, + ath11k_wmi_twt_add_dialog_event_status(ev->status)); + +exit: + kfree(tb); +} + static void ath11k_wmi_tlv_op_rx(struct ath11k_base *ab, struct sk_buff *skb) { struct wmi_cmd_hdr *cmd_hdr; @@ -7059,11 +7292,17 @@ static void ath11k_wmi_tlv_op_rx(struct ath11k_base *ab, struct sk_buff *skb) case WMI_OFFLOAD_PROB_RESP_TX_STATUS_EVENTID: ath11k_probe_resp_tx_status_event(ab, skb); break; + case WMI_TWT_ADD_DIALOG_EVENTID: + ath11k_wmi_twt_add_dialog_event(ab, skb); + break; /* add Unsupported events here */ case WMI_TBTTOFFSET_EXT_UPDATE_EVENTID: case WMI_PEER_OPER_MODE_CHANGE_EVENTID: case WMI_TWT_ENABLE_EVENTID: case WMI_TWT_DISABLE_EVENTID: + case WMI_TWT_DEL_DIALOG_EVENTID: + case WMI_TWT_PAUSE_DIALOG_EVENTID: + case WMI_TWT_RESUME_DIALOG_EVENTID: case WMI_PDEV_DMA_RING_CFG_RSP_EVENTID: ath11k_dbg(ab, ATH11K_DBG_WMI, "ignoring unsupported event 0x%x\n", id); diff --git a/drivers/net/wireless/ath/ath11k/wmi.h b/drivers/net/wireless/ath/ath11k/wmi.h index 3ade1ddd35c9..eb573dad67c5 100644 --- a/drivers/net/wireless/ath/ath11k/wmi.h +++ b/drivers/net/wireless/ath/ath11k/wmi.h @@ -4791,6 +4791,112 @@ struct wmi_twt_disable_params_cmd { u32 pdev_id; } __packed; +enum WMI_HOST_TWT_COMMAND { + WMI_HOST_TWT_COMMAND_REQUEST_TWT = 0, + WMI_HOST_TWT_COMMAND_SUGGEST_TWT, + WMI_HOST_TWT_COMMAND_DEMAND_TWT, + WMI_HOST_TWT_COMMAND_TWT_GROUPING, + WMI_HOST_TWT_COMMAND_ACCEPT_TWT, + WMI_HOST_TWT_COMMAND_ALTERNATE_TWT, + WMI_HOST_TWT_COMMAND_DICTATE_TWT, + WMI_HOST_TWT_COMMAND_REJECT_TWT, +}; + +#define WMI_TWT_ADD_DIALOG_FLAG_BCAST BIT(8) +#define WMI_TWT_ADD_DIALOG_FLAG_TRIGGER BIT(9) +#define WMI_TWT_ADD_DIALOG_FLAG_FLOW_TYPE BIT(10) +#define WMI_TWT_ADD_DIALOG_FLAG_PROTECTION BIT(11) + +struct wmi_twt_add_dialog_params_cmd { + u32 tlv_header; + u32 vdev_id; + struct wmi_mac_addr peer_macaddr; + u32 dialog_id; + u32 wake_intvl_us; + u32 wake_intvl_mantis; + u32 wake_dura_us; + u32 sp_offset_us; + u32 flags; +} __packed; + +struct wmi_twt_add_dialog_params { + u32 vdev_id; + u8 peer_macaddr[ETH_ALEN]; + u32 dialog_id; + u32 wake_intvl_us; + u32 wake_intvl_mantis; + u32 wake_dura_us; + u32 sp_offset_us; + u8 twt_cmd; + u8 flag_bcast; + u8 flag_trigger; + u8 flag_flow_type; + u8 flag_protection; +} __packed; + +enum wmi_twt_add_dialog_status { + WMI_ADD_TWT_STATUS_OK, + WMI_ADD_TWT_STATUS_TWT_NOT_ENABLED, + WMI_ADD_TWT_STATUS_USED_DIALOG_ID, + WMI_ADD_TWT_STATUS_INVALID_PARAM, + WMI_ADD_TWT_STATUS_NOT_READY, + WMI_ADD_TWT_STATUS_NO_RESOURCE, + WMI_ADD_TWT_STATUS_NO_ACK, + WMI_ADD_TWT_STATUS_NO_RESPONSE, + WMI_ADD_TWT_STATUS_DENIED, + WMI_ADD_TWT_STATUS_UNKNOWN_ERROR, +}; + +struct wmi_twt_add_dialog_event { + u32 vdev_id; + struct wmi_mac_addr peer_macaddr; + u32 dialog_id; + u32 status; +} __packed; + +struct wmi_twt_del_dialog_params { + u32 vdev_id; + u8 peer_macaddr[ETH_ALEN]; + u32 dialog_id; +} __packed; + +struct wmi_twt_del_dialog_params_cmd { + u32 tlv_header; + u32 vdev_id; + struct wmi_mac_addr peer_macaddr; + u32 dialog_id; +} __packed; + +struct wmi_twt_pause_dialog_params { + u32 vdev_id; + u8 peer_macaddr[ETH_ALEN]; + u32 dialog_id; +} __packed; + +struct wmi_twt_pause_dialog_params_cmd { + u32 tlv_header; + u32 vdev_id; + struct wmi_mac_addr peer_macaddr; + u32 dialog_id; +} __packed; + +struct wmi_twt_resume_dialog_params { + u32 vdev_id; + u8 peer_macaddr[ETH_ALEN]; + u32 dialog_id; + u32 sp_offset_us; + u32 next_twt_size; +} __packed; + +struct wmi_twt_resume_dialog_params_cmd { + u32 tlv_header; + u32 vdev_id; + struct wmi_mac_addr peer_macaddr; + u32 dialog_id; + u32 sp_offset_us; + u32 next_twt_size; +} __packed; + struct wmi_obss_spatial_reuse_params_cmd { u32 tlv_header; u32 pdev_id; @@ -5339,6 +5445,14 @@ void ath11k_wmi_fw_stats_fill(struct ath11k *ar, int ath11k_wmi_simulate_radar(struct ath11k *ar); int ath11k_wmi_send_twt_enable_cmd(struct ath11k *ar, u32 pdev_id); int ath11k_wmi_send_twt_disable_cmd(struct ath11k *ar, u32 pdev_id); +int ath11k_wmi_send_twt_add_dialog_cmd(struct ath11k *ar, + struct wmi_twt_add_dialog_params *params); +int ath11k_wmi_send_twt_del_dialog_cmd(struct ath11k *ar, + struct wmi_twt_del_dialog_params *params); +int ath11k_wmi_send_twt_pause_dialog_cmd(struct ath11k *ar, + struct wmi_twt_pause_dialog_params *params); +int ath11k_wmi_send_twt_resume_dialog_cmd(struct ath11k *ar, + struct wmi_twt_resume_dialog_params *params); int ath11k_wmi_send_obss_spr_cmd(struct ath11k *ar, u32 vdev_id, struct ieee80211_he_obss_pd *he_obss_pd); int ath11k_wmi_pdev_set_srg_bss_color_bitmap(struct ath11k *ar, u32 *bitmap); From patchwork Thu Apr 8 01:12:25 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Aloka Dixit X-Patchwork-Id: 417986 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7C86BC43460 for ; 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Thu, 08 Apr 2021 01:12:36 GMT Sender: alokad=codeaurora.org@mg.codeaurora.org Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 195CDC43461; Thu, 8 Apr 2021 01:12:36 +0000 (UTC) Received: from alokad-linux.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: alokad) by smtp.codeaurora.org (Postfix) with ESMTPSA id 9072BC43462; Thu, 8 Apr 2021 01:12:34 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 9072BC43462 Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=fail smtp.mailfrom=alokad@codeaurora.org From: Aloka Dixit To: kvalo@codeaurora.org Cc: linux-wireless@vger.kernel.org, ath11k@lists.infradead.org, John Crispin , Aloka Dixit Subject: [PATCH V6 2/2] ath11k: add debugfs for TWT debug calls Date: Wed, 7 Apr 2021 18:12:25 -0700 Message-Id: <20210408011225.1989-3-alokad@codeaurora.org> X-Mailer: git-send-email 2.25.0 In-Reply-To: <20210408011225.1989-1-alokad@codeaurora.org> References: <20210408011225.1989-1-alokad@codeaurora.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org From: John Crispin New debugfs files to manually add/delete/pause/resume TWT dialogs for test/debug purposes. The debugfs files expect the following parameters (1) Add dialog echo ' <1:Broadcast / 0:Individual> <1:Triggered / 0:Untriggered> <1:Unannounced / 0:Announced> <1:Protected / 0:Unprotected>' > /sys/kernel/debug/ieee80211/phyX/netdev:wlanX/twt/add_dialog Example (Non-triggered and un-announced): echo '00:03:7F:20:13:52 1 102400 100 30720 20480 4 0 0 1 0' > /sys/kernel/debug/ieee80211/phy0/netdev:wlan0/twt/add_dialog (2) Delete dialog echo ' ' > /sys/kernel/debug/ieee80211/phyX/netdev:wlanX/twt/del_dialog (3) Pause dialog echo ' ' > /sys/kernel/debug/ieee80211/phyX/netdev:wlanX/twt/pause_dialog (4) Resume dialog echo ' ' > /sys/kernel/debug/ieee80211/phyX/netdev:wlanX/twt/resume_dialog Example: echo '00:03:7F:20:13:52 1 2000000 3' > /sys/kernel/debug/ieee80211/phy0/netdev:wlan0/twt/resume_dialog Tested-on: IPQ8074 hw2.0 AHB WLAN.HK.2.5.0.1-00680-QCAHKSWPL_SILICONZ-1 Signed-off-by: John Crispin Signed-off-by: Aloka Dixit --- Changes in V6 * Moved all functions from debug.c to debugfs.c * ath11k_debugfs_add_interface() returns int instead of void Changes in V5 * TWT directory created during ath11k_mac_op_add_interface() instead * of during TWT enable command. * File write operation check for twt_enabled. * Used CONFIG_ATH11K_DEBUGFS instead of CONFIG_MAC80211_DEBUGFS. * Example commands in commit description. drivers/net/wireless/ath/ath11k/core.h | 3 + drivers/net/wireless/ath/ath11k/debugfs.c | 222 ++++++++++++++++++++++ drivers/net/wireless/ath/ath11k/debugfs.h | 14 +- drivers/net/wireless/ath/ath11k/mac.c | 6 + 4 files changed, 244 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/ath/ath11k/core.h b/drivers/net/wireless/ath/ath11k/core.h index b59bf2c28193..bb79662b1630 100644 --- a/drivers/net/wireless/ath/ath11k/core.h +++ b/drivers/net/wireless/ath/ath11k/core.h @@ -243,6 +243,9 @@ struct ath11k_vif { bool rsnie_present; bool wpaie_present; struct ieee80211_chanctx_conf chanctx; +#ifdef CONFIG_ATH11K_DEBUGFS + struct dentry *debugfs_twt; +#endif /* CONFIG_ATH11K_DEBUGFS */ }; struct ath11k_vif_iter { diff --git a/drivers/net/wireless/ath/ath11k/debugfs.c b/drivers/net/wireless/ath/ath11k/debugfs.c index 554feaf1ed5c..0b7a638d0195 100644 --- a/drivers/net/wireless/ath/ath11k/debugfs.c +++ b/drivers/net/wireless/ath/ath11k/debugfs.c @@ -1096,3 +1096,225 @@ int ath11k_debugfs_register(struct ath11k *ar) void ath11k_debugfs_unregister(struct ath11k *ar) { } + +static ssize_t ath11k_write_twt_add_dialog(struct file *file, + const char __user *ubuf, + size_t count, loff_t *ppos) +{ + struct ath11k_vif *arvif = file->private_data; + struct wmi_twt_add_dialog_params params = { 0 }; + u8 buf[128] = {0}; + int ret; + + if (arvif->ar->twt_enabled == 0) { + ath11k_err(arvif->ar->ab, "twt support is not enabled\n"); + return -EOPNOTSUPP; + } + + ret = simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, ubuf, count); + if (ret < 0) + return ret; + + buf[ret] = '\0'; + ret = sscanf(buf, + "%02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx %u %u %u %u %u %hhu %hhu %hhu %hhu %hhu", + ¶ms.peer_macaddr[0], + ¶ms.peer_macaddr[1], + ¶ms.peer_macaddr[2], + ¶ms.peer_macaddr[3], + ¶ms.peer_macaddr[4], + ¶ms.peer_macaddr[5], + ¶ms.dialog_id, + ¶ms.wake_intvl_us, + ¶ms.wake_intvl_mantis, + ¶ms.wake_dura_us, + ¶ms.sp_offset_us, + ¶ms.twt_cmd, + ¶ms.flag_bcast, + ¶ms.flag_trigger, + ¶ms.flag_flow_type, + ¶ms.flag_protection); + if (ret != 16) + return -EINVAL; + + params.vdev_id = arvif->vdev_id; + + ret = ath11k_wmi_send_twt_add_dialog_cmd(arvif->ar, ¶ms); + if (ret) + return ret; + + return count; +} + +static ssize_t ath11k_write_twt_del_dialog(struct file *file, + const char __user *ubuf, + size_t count, loff_t *ppos) +{ + struct ath11k_vif *arvif = file->private_data; + struct wmi_twt_del_dialog_params params = { 0 }; + u8 buf[64] = {0}; + int ret; + + if (arvif->ar->twt_enabled == 0) { + ath11k_err(arvif->ar->ab, "twt support is not enabled\n"); + return -EOPNOTSUPP; + } + + ret = simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, ubuf, count); + if (ret < 0) + return ret; + + buf[ret] = '\0'; + ret = sscanf(buf, "%02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx %u", + ¶ms.peer_macaddr[0], + ¶ms.peer_macaddr[1], + ¶ms.peer_macaddr[2], + ¶ms.peer_macaddr[3], + ¶ms.peer_macaddr[4], + ¶ms.peer_macaddr[5], + ¶ms.dialog_id); + if (ret != 7) + return -EINVAL; + + params.vdev_id = arvif->vdev_id; + + ret = ath11k_wmi_send_twt_del_dialog_cmd(arvif->ar, ¶ms); + if (ret) + return ret; + + return count; +} + +static ssize_t ath11k_write_twt_pause_dialog(struct file *file, + const char __user *ubuf, + size_t count, loff_t *ppos) +{ + struct ath11k_vif *arvif = file->private_data; + struct wmi_twt_pause_dialog_params params = { 0 }; + u8 buf[64] = {0}; + int ret; + + if (arvif->ar->twt_enabled == 0) { + ath11k_err(arvif->ar->ab, "twt support is not enabled\n"); + return -EOPNOTSUPP; + } + + ret = simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, ubuf, count); + if (ret < 0) + return ret; + + buf[ret] = '\0'; + ret = sscanf(buf, "%02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx %u", + ¶ms.peer_macaddr[0], + ¶ms.peer_macaddr[1], + ¶ms.peer_macaddr[2], + ¶ms.peer_macaddr[3], + ¶ms.peer_macaddr[4], + ¶ms.peer_macaddr[5], + ¶ms.dialog_id); + if (ret != 7) + return -EINVAL; + + params.vdev_id = arvif->vdev_id; + + ret = ath11k_wmi_send_twt_pause_dialog_cmd(arvif->ar, ¶ms); + if (ret) + return ret; + + return count; +} + +static ssize_t ath11k_write_twt_resume_dialog(struct file *file, + const char __user *ubuf, + size_t count, loff_t *ppos) +{ + struct ath11k_vif *arvif = file->private_data; + struct wmi_twt_resume_dialog_params params = { 0 }; + u8 buf[64] = {0}; + int ret; + + if (arvif->ar->twt_enabled == 0) { + ath11k_err(arvif->ar->ab, "twt support is not enabled\n"); + return -EOPNOTSUPP; + } + + ret = simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, ubuf, count); + if (ret < 0) + return ret; + + buf[ret] = '\0'; + ret = sscanf(buf, "%02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx %u %u %u", + ¶ms.peer_macaddr[0], + ¶ms.peer_macaddr[1], + ¶ms.peer_macaddr[2], + ¶ms.peer_macaddr[3], + ¶ms.peer_macaddr[4], + ¶ms.peer_macaddr[5], + ¶ms.dialog_id, + ¶ms.sp_offset_us, + ¶ms.next_twt_size); + if (ret != 9) + return -EINVAL; + + params.vdev_id = arvif->vdev_id; + + ret = ath11k_wmi_send_twt_resume_dialog_cmd(arvif->ar, ¶ms); + if (ret) + return ret; + + return count; +} + +static const struct file_operations ath11k_fops_twt_add_dialog = { + .write = ath11k_write_twt_add_dialog, + .open = simple_open +}; + +static const struct file_operations ath11k_fops_twt_del_dialog = { + .write = ath11k_write_twt_del_dialog, + .open = simple_open +}; + +static const struct file_operations ath11k_fops_twt_pause_dialog = { + .write = ath11k_write_twt_pause_dialog, + .open = simple_open +}; + +static const struct file_operations ath11k_fops_twt_resume_dialog = { + .write = ath11k_write_twt_resume_dialog, + .open = simple_open +}; + +int ath11k_debugfs_add_interface(struct ath11k_vif *arvif) +{ + if (arvif->vif->type == NL80211_IFTYPE_AP && !arvif->debugfs_twt) { + arvif->debugfs_twt = debugfs_create_dir("twt", + arvif->vif->debugfs_dir); + if (!arvif->debugfs_twt || IS_ERR(arvif->debugfs_twt)) { + ath11k_warn(arvif->ar->ab, + "failed to create directory %p\n", + arvif->debugfs_twt); + arvif->debugfs_twt = NULL; + return -1; + } + + debugfs_create_file("add_dialog", 0200, arvif->debugfs_twt, + arvif, &ath11k_fops_twt_add_dialog); + + debugfs_create_file("del_dialog", 0200, arvif->debugfs_twt, + arvif, &ath11k_fops_twt_del_dialog); + + debugfs_create_file("pause_dialog", 0200, arvif->debugfs_twt, + arvif, &ath11k_fops_twt_pause_dialog); + + debugfs_create_file("resume_dialog", 0200, arvif->debugfs_twt, + arvif, &ath11k_fops_twt_resume_dialog); + } + return 0; +} + +void ath11k_debugfs_remove_interface(struct ath11k_vif *arvif) +{ + debugfs_remove_recursive(arvif->debugfs_twt); + arvif->debugfs_twt = NULL; +} diff --git a/drivers/net/wireless/ath/ath11k/debugfs.h b/drivers/net/wireless/ath/ath11k/debugfs.h index e5346af71f24..290520fbe05b 100644 --- a/drivers/net/wireless/ath/ath11k/debugfs.h +++ b/drivers/net/wireless/ath/ath11k/debugfs.h @@ -145,6 +145,9 @@ static inline int ath11k_debugfs_rx_filter(struct ath11k *ar) return ar->debug.rx_filter; } +int ath11k_debugfs_add_interface(struct ath11k_vif *arvif); +void ath11k_debugfs_remove_interface(struct ath11k_vif *arvif); + #else static inline int ath11k_debugfs_soc_create(struct ath11k_base *ab) { @@ -212,6 +215,15 @@ static inline int ath11k_debugfs_rx_filter(struct ath11k *ar) return 0; } -#endif /* CONFIG_MAC80211_DEBUGFS*/ +static inline int ath11k_debugfs_add_interface(struct ath11k_vif *arvif) +{ + return 0; +} + +static inline void ath11k_debugfs_remove_interface(struct ath11k_vif *arvif) +{ +} + +#endif /* CONFIG_ATH11K_DEBUGFS*/ #endif /* _ATH11K_DEBUGFS_H_ */ diff --git a/drivers/net/wireless/ath/ath11k/mac.c b/drivers/net/wireless/ath/ath11k/mac.c index 8719e8550a40..332e7353f12f 100644 --- a/drivers/net/wireless/ath/ath11k/mac.c +++ b/drivers/net/wireless/ath/ath11k/mac.c @@ -4833,6 +4833,9 @@ static int ath11k_mac_op_add_interface(struct ieee80211_hw *hw, } ath11k_dp_vdev_tx_attach(ar, arvif); + ret = ath11k_debugfs_add_interface(arvif); + if (ret) + goto err_peer_del; mutex_unlock(&ar->conf_mutex); @@ -4868,6 +4871,7 @@ static int ath11k_mac_op_add_interface(struct ieee80211_hw *hw, spin_unlock_bh(&ar->data_lock); err: + ath11k_debugfs_remove_interface(arvif); mutex_unlock(&ar->conf_mutex); return ret; @@ -4952,6 +4956,8 @@ static void ath11k_mac_op_remove_interface(struct ieee80211_hw *hw, ath11k_mac_txpower_recalc(ar); clear_bit(ATH11K_FLAG_MONITOR_ENABLED, &ar->monitor_flags); + ath11k_debugfs_remove_interface(arvif); + /* TODO: recal traffic pause state based on the available vdevs */ mutex_unlock(&ar->conf_mutex);