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* [RESEND 1/2] ath11k: add WMI calls to manually add/del/pause/resume
@ 2020-06-24  8:03 John Crispin
  2020-06-24  8:03 ` [RESEND 2/2] ath11k: add debugfs for TWT debug calls John Crispin
  2020-07-16  7:50 ` [RESEND 1/2] ath11k: add WMI calls to manually add/del/pause/resume Kalle Valo
  0 siblings, 2 replies; 4+ messages in thread
From: John Crispin @ 2020-06-24  8:03 UTC (permalink / raw)
  To: Kalle Valo; +Cc: ath11k, John Crispin

These calls are used for debugging and will be required for WFA
certification tests.

Signed-off-by: John Crispin <john@phrozen.org>
---
 drivers/net/wireless/ath/ath11k/wmi.c | 210 ++++++++++++++++++++++++++
 drivers/net/wireless/ath/ath11k/wmi.h | 114 ++++++++++++++
 2 files changed, 324 insertions(+)

diff --git a/drivers/net/wireless/ath/ath11k/wmi.c b/drivers/net/wireless/ath/ath11k/wmi.c
index 8e3437a65673..ecdcdec7d9b0 100644
--- a/drivers/net/wireless/ath/ath11k/wmi.c
+++ b/drivers/net/wireless/ath/ath11k/wmi.c
@@ -122,6 +122,8 @@ static const struct wmi_tlv_policy wmi_tlv_policies[] = {
 		= { .min_len = sizeof(struct wmi_stats_event) },
 	[WMI_TAG_PDEV_CTL_FAILSAFE_CHECK_EVENT]
 		= { .min_len = sizeof(struct wmi_pdev_ctl_failsafe_chk_event) },
+	[WMI_TAG_TWT_ADD_DIALOG_COMPLETE_EVENT]
+		= { .min_len = sizeof(struct wmi_twt_add_dialog_event) },
 };
 
 #define PRIMAP(_hw_mode_) \
@@ -2945,6 +2947,177 @@ ath11k_wmi_send_twt_disable_cmd(struct ath11k *ar, u32 pdev_id)
 	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_send_twt_add_dialog id %d dialog id %d wake_intvl_us %d"
+		   " wake_intvl_mantis %d wake_dura_us %d sp_offset_us %d "
+		   "flags %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_TWT_ADD_DIALOG_CMDID");
+		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_send_twt_del_dialog id %d dialog id %d\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_TWT_DEL_DIALOG_CMDID");
+		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_send_twt_pause_dialog id %d dialog id %d\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_TWT_PAUSE_DIALOG_CMDID");
+		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_send_twt_resume_dialog id %d dialog id %d sp_offset_us %d next_twt_size %d\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_TWT_RESUME_DIALOG_CMDID");
+		dev_kfree_skb(skb);
+	}
+	return ret;
+}
+
 int
 ath11k_wmi_send_obss_spr_cmd(struct ath11k *ar, u32 vdev_id,
 			     struct ieee80211_he_obss_pd *he_obss_pd)
@@ -6437,6 +6610,37 @@ ath11k_wmi_pdev_temperature_event(struct ath11k_base *ab,
 	ath11k_thermal_event_temperature(ar, ev.temp);
 }
 
+static void ath11k_wmi_twt_add_dialog_event(struct ath11k_base *ab, struct sk_buff *skb)
+{
+	static const char * const status[] = {
+		"OK", "TWT_NOT_ENABLED", "USED_DIALOG_ID", "INVALID_PARAM",
+		"NOT_READY", "NO_RESOURCE", "NO_ACK", "NO_RESPONSE",
+		"DENIED", "UNKNOWN_ERROR"
+	};
+	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 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 ev");
+		goto exit;
+	}
+
+	ath11k_info(ab, "TWT Add Dialog Event - Status: %s, DialogId: %d, VdevId: %d\n",
+		    status[ev->status], ev->vdev_id, ev->dialog_id);
+
+exit:
+	kfree(tb);
+}
+
 static void ath11k_wmi_tlv_op_rx(struct ath11k_base *ab, struct sk_buff *skb)
 {
 	struct wmi_cmd_hdr *cmd_hdr;
@@ -6523,6 +6727,9 @@ static void ath11k_wmi_tlv_op_rx(struct ath11k_base *ab, struct sk_buff *skb)
 	case WMI_PDEV_DMA_RING_BUF_RELEASE_EVENTID:
 		ath11k_wmi_pdev_dma_ring_buf_release_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_VDEV_DELETE_RESP_EVENTID:
@@ -6530,6 +6737,9 @@ static void ath11k_wmi_tlv_op_rx(struct ath11k_base *ab, struct sk_buff *skb)
 	case WMI_TWT_ENABLE_EVENTID:
 	case WMI_TWT_DISABLE_EVENTID:
 	case WMI_PDEV_DMA_RING_CFG_RSP_EVENTID:
+	case WMI_TWT_DEL_DIALOG_EVENTID:
+	case WMI_TWT_PAUSE_DIALOG_EVENTID:
+	case WMI_TWT_RESUME_DIALOG_EVENTID:
 		ath11k_dbg(ab, ATH11K_DBG_WMI,
 			   "ignoring unsupported event 0x%x\n", id);
 		break;
diff --git a/drivers/net/wireless/ath/ath11k/wmi.h b/drivers/net/wireless/ath/ath11k/wmi.h
index 5a32ba0eb4f5..add82253ce87 100644
--- a/drivers/net/wireless/ath/ath11k/wmi.h
+++ b/drivers/net/wireless/ath/ath11k/wmi.h
@@ -4752,6 +4752,112 @@ 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;
@@ -5107,6 +5213,14 @@ 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_send_obss_color_collision_cfg_cmd(struct ath11k *ar, u32 vdev_id,
-- 
2.25.1


-- 
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^ permalink raw reply related	[flat|nested] 4+ messages in thread

* [RESEND 2/2] ath11k: add debugfs for TWT debug calls
  2020-06-24  8:03 [RESEND 1/2] ath11k: add WMI calls to manually add/del/pause/resume John Crispin
@ 2020-06-24  8:03 ` John Crispin
  2020-07-16  7:47   ` Kalle Valo
  2020-07-16  7:50 ` [RESEND 1/2] ath11k: add WMI calls to manually add/del/pause/resume Kalle Valo
  1 sibling, 1 reply; 4+ messages in thread
From: John Crispin @ 2020-06-24  8:03 UTC (permalink / raw)
  To: Kalle Valo; +Cc: ath11k, John Crispin

These new debugfs files allow us to manually add/del/pause/resume TWT
dialogs for test/debug purposes.

The debugfs files expect the following parameters
add_dialog      - mac dialog_id wake_intvl_us wake_intvl_mantis
                  wake_dura_us sp_offset_us twt_cmd flag_bcast
                  flag_trigger flag_flow_type flag_protection
del_dialog      - mac dialog_id
pause_dialog    - mac dialog_id
resume_dialog   - mac dialog_id sp_offset_us next_twt_size

Signed-off-by: John Crispin <john@phrozen.org>
---
 drivers/net/wireless/ath/ath11k/core.h  |   1 +
 drivers/net/wireless/ath/ath11k/debug.c | 198 ++++++++++++++++++++++++
 drivers/net/wireless/ath/ath11k/debug.h |   8 +
 drivers/net/wireless/ath/ath11k/mac.c   |   4 +
 4 files changed, 211 insertions(+)

diff --git a/drivers/net/wireless/ath/ath11k/core.h b/drivers/net/wireless/ath/ath11k/core.h
index e5c4e19020ee..5a75f9857ca2 100644
--- a/drivers/net/wireless/ath/ath11k/core.h
+++ b/drivers/net/wireless/ath/ath11k/core.h
@@ -226,6 +226,7 @@ struct ath11k_vif {
 	int txpower;
 	bool rsnie_present;
 	bool wpaie_present;
+	struct dentry *debugfs_twt;
 };
 
 struct ath11k_vif_iter {
diff --git a/drivers/net/wireless/ath/ath11k/debug.c b/drivers/net/wireless/ath/ath11k/debug.c
index 62a1aa0565a9..81c9b201df65 100644
--- a/drivers/net/wireless/ath/ath11k/debug.c
+++ b/drivers/net/wireless/ath/ath11k/debug.c
@@ -141,6 +141,204 @@ void ath11k_dbg_dump(struct ath11k_base *ab,
 
 #endif
 
+#ifdef CONFIG_MAC80211_DEBUGFS
+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;
+
+	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",
+		     &params.peer_macaddr[0],
+		     &params.peer_macaddr[1],
+		     &params.peer_macaddr[2],
+		     &params.peer_macaddr[3],
+		     &params.peer_macaddr[4],
+		     &params.peer_macaddr[5],
+		     &params.dialog_id,
+		     &params.wake_intvl_us,
+		     &params.wake_intvl_mantis,
+		     &params.wake_dura_us,
+		     &params.sp_offset_us,
+		     &params.twt_cmd,
+		     &params.flag_bcast,
+		     &params.flag_trigger,
+		     &params.flag_flow_type,
+		     &params.flag_protection);
+	if (ret != 16)
+		return -EINVAL;
+
+	params.vdev_id = arvif->vdev_id;
+
+	ret = ath11k_wmi_send_twt_add_dialog_cmd(arvif->ar, &params);
+
+	return ret ? ret : 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;
+
+	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",
+		     &params.peer_macaddr[0],
+		     &params.peer_macaddr[1],
+		     &params.peer_macaddr[2],
+		     &params.peer_macaddr[3],
+		     &params.peer_macaddr[4],
+		     &params.peer_macaddr[5],
+		     &params.dialog_id);
+	if (ret != 7)
+		return -EINVAL;
+
+	params.vdev_id = arvif->vdev_id;
+
+	ret = ath11k_wmi_send_twt_del_dialog_cmd(arvif->ar, &params);
+
+	return ret ? ret : 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;
+
+	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",
+		     &params.peer_macaddr[0],
+		     &params.peer_macaddr[1],
+		     &params.peer_macaddr[2],
+		     &params.peer_macaddr[3],
+		     &params.peer_macaddr[4],
+		     &params.peer_macaddr[5],
+		     &params.dialog_id);
+	if (ret != 7)
+		return -EINVAL;
+
+	params.vdev_id = arvif->vdev_id;
+
+	ret = ath11k_wmi_send_twt_pause_dialog_cmd(arvif->ar, &params);
+
+	return ret ? ret : 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;
+
+	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",
+		     &params.peer_macaddr[0],
+		     &params.peer_macaddr[1],
+		     &params.peer_macaddr[2],
+		     &params.peer_macaddr[3],
+		     &params.peer_macaddr[4],
+		     &params.peer_macaddr[5],
+		     &params.dialog_id,
+		     &params.sp_offset_us,
+		     &params.next_twt_size);
+	if (ret != 9)
+		return -EINVAL;
+
+	params.vdev_id = arvif->vdev_id;
+
+	ret = ath11k_wmi_send_twt_resume_dialog_cmd(arvif->ar, &params);
+
+	return ret ? ret : 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
+};
+
+void ath11k_debugfs_twt(struct ath11k_vif *arvif, bool enable)
+{
+	if (!enable && arvif->debugfs_twt) {
+		debugfs_remove_recursive(arvif->debugfs_twt);
+		arvif->debugfs_twt = NULL;
+		return;
+	}
+
+	if (arvif->debugfs_twt)
+		return;
+
+	arvif->debugfs_twt = debugfs_create_dir("twt", arvif->vif->debugfs_dir);
+	if (IS_ERR_OR_NULL(arvif->debugfs_twt)) {
+		ath11k_warn(arvif->ar->ab,
+			    "failed to create twt debugfs: %p\n",
+			    arvif->debugfs_twt);
+		arvif->debugfs_twt = NULL;
+		return;
+	}
+
+	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);
+}
+#endif
+
 #ifdef CONFIG_ATH11K_DEBUGFS
 static void ath11k_fw_stats_pdevs_free(struct list_head *head)
 {
diff --git a/drivers/net/wireless/ath/ath11k/debug.h b/drivers/net/wireless/ath/ath11k/debug.h
index c30085406bfb..2dfd01cff91f 100644
--- a/drivers/net/wireless/ath/ath11k/debug.h
+++ b/drivers/net/wireless/ath/ath11k/debug.h
@@ -150,6 +150,14 @@ static inline void ath11k_dbg_dump(struct ath11k_base *ab,
 }
 #endif /* CONFIG_ATH11K_DEBUG */
 
+#ifdef CONFIG_MAC80211_DEBUGFS
+void ath11k_debugfs_twt(struct ath11k_vif *arvif, bool enable);
+#else
+static inline void ath11k_debugfs_twt(struct ath11k_vif *arvif, bool enable)
+{
+}
+#endif
+
 #ifdef CONFIG_ATH11K_DEBUGFS
 int ath11k_debug_soc_create(struct ath11k_base *ab);
 void ath11k_debug_soc_destroy(struct ath11k_base *ab);
diff --git a/drivers/net/wireless/ath/ath11k/mac.c b/drivers/net/wireless/ath/ath11k/mac.c
index 07d3e031c75a..f63d1ce4ff4c 100644
--- a/drivers/net/wireless/ath/ath11k/mac.c
+++ b/drivers/net/wireless/ath/ath11k/mac.c
@@ -2061,6 +2061,8 @@ static void ath11k_mac_op_bss_info_changed(struct ieee80211_hw *hw,
 			ath11k_wmi_send_twt_enable_cmd(ar, ar->pdev->pdev_id);
 		else
 			ath11k_wmi_send_twt_disable_cmd(ar, ar->pdev->pdev_id);
+		if (vif->type == NL80211_IFTYPE_AP)
+			ath11k_debugfs_twt(arvif, info->twt_requester);
 	}
 
 	if (changed & BSS_CHANGED_HE_OBSS_PD)
@@ -4608,6 +4610,8 @@ static void ath11k_mac_op_remove_interface(struct ieee80211_hw *hw,
 
 	/* TODO: recal traffic pause state based on the available vdevs */
 
+	debugfs_remove_recursive(arvif->debugfs_twt);
+	arvif->debugfs_twt = NULL;
 	mutex_unlock(&ar->conf_mutex);
 }
 
-- 
2.25.1


-- 
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ath11k@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/ath11k

^ permalink raw reply related	[flat|nested] 4+ messages in thread

* Re: [RESEND 2/2] ath11k: add debugfs for TWT debug calls
  2020-06-24  8:03 ` [RESEND 2/2] ath11k: add debugfs for TWT debug calls John Crispin
@ 2020-07-16  7:47   ` Kalle Valo
  0 siblings, 0 replies; 4+ messages in thread
From: Kalle Valo @ 2020-07-16  7:47 UTC (permalink / raw)
  To: John Crispin; +Cc: linux-wireless, ath11k

+ linux-wireless

John Crispin <john@phrozen.org> writes:

> These new debugfs files allow us to manually add/del/pause/resume TWT
> dialogs for test/debug purposes.
>
> The debugfs files expect the following parameters
> add_dialog      - mac dialog_id wake_intvl_us wake_intvl_mantis
>                   wake_dura_us sp_offset_us twt_cmd flag_bcast
>                   flag_trigger flag_flow_type flag_protection
> del_dialog      - mac dialog_id
> pause_dialog    - mac dialog_id
> resume_dialog   - mac dialog_id sp_offset_us next_twt_size

Full examples (including full path to the debugfs file) for some of
these would be nice, especially for add_dialog file.

Also please add Tested-on tag:

https://wireless.wiki.kernel.org/en/users/drivers/ath11k/submittingpatches#hardware_families

And Cc linux-wireless, otherwise patchwork won't see these.

BTW, I prefer to avoid using RESEND, REPOST etc. Increasing the version
number makes it easier to track patches, even if there are no changes
between versions.

> +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;
> +
> +	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",
> +		     &params.peer_macaddr[0],
> +		     &params.peer_macaddr[1],
> +		     &params.peer_macaddr[2],
> +		     &params.peer_macaddr[3],
> +		     &params.peer_macaddr[4],
> +		     &params.peer_macaddr[5],
> +		     &params.dialog_id,
> +		     &params.wake_intvl_us,
> +		     &params.wake_intvl_mantis,
> +		     &params.wake_dura_us,
> +		     &params.sp_offset_us,
> +		     &params.twt_cmd,
> +		     &params.flag_bcast,
> +		     &params.flag_trigger,
> +		     &params.flag_flow_type,
> +		     &params.flag_protection);
> +	if (ret != 16)
> +		return -EINVAL;
> +
> +	params.vdev_id = arvif->vdev_id;
> +
> +	ret = ath11k_wmi_send_twt_add_dialog_cmd(arvif->ar, &params);
> +
> +	return ret ? ret : count;

More lines but easier to read:

ret = foo();
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;
> +
> +	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",
> +		     &params.peer_macaddr[0],
> +		     &params.peer_macaddr[1],
> +		     &params.peer_macaddr[2],
> +		     &params.peer_macaddr[3],
> +		     &params.peer_macaddr[4],
> +		     &params.peer_macaddr[5],
> +		     &params.dialog_id);
> +	if (ret != 7)
> +		return -EINVAL;
> +
> +	params.vdev_id = arvif->vdev_id;
> +
> +	ret = ath11k_wmi_send_twt_del_dialog_cmd(arvif->ar, &params);
> +
> +	return ret ? ret : count;
> +}

Ditto.

> +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;
> +
> +	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",
> +		     &params.peer_macaddr[0],
> +		     &params.peer_macaddr[1],
> +		     &params.peer_macaddr[2],
> +		     &params.peer_macaddr[3],
> +		     &params.peer_macaddr[4],
> +		     &params.peer_macaddr[5],
> +		     &params.dialog_id);
> +	if (ret != 7)
> +		return -EINVAL;
> +
> +	params.vdev_id = arvif->vdev_id;
> +
> +	ret = ath11k_wmi_send_twt_pause_dialog_cmd(arvif->ar, &params);
> +
> +	return ret ? ret : count;

And here as well.

> +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;
> +
> +	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",
> +		     &params.peer_macaddr[0],
> +		     &params.peer_macaddr[1],
> +		     &params.peer_macaddr[2],
> +		     &params.peer_macaddr[3],
> +		     &params.peer_macaddr[4],
> +		     &params.peer_macaddr[5],
> +		     &params.dialog_id,
> +		     &params.sp_offset_us,
> +		     &params.next_twt_size);
> +	if (ret != 9)
> +		return -EINVAL;
> +
> +	params.vdev_id = arvif->vdev_id;
> +
> +	ret = ath11k_wmi_send_twt_resume_dialog_cmd(arvif->ar, &params);
> +
> +	return ret ? ret : count;

And here.

> --- a/drivers/net/wireless/ath/ath11k/mac.c
> +++ b/drivers/net/wireless/ath/ath11k/mac.c
> @@ -2061,6 +2061,8 @@ static void ath11k_mac_op_bss_info_changed(struct ieee80211_hw *hw,
>  			ath11k_wmi_send_twt_enable_cmd(ar, ar->pdev->pdev_id);
>  		else
>  			ath11k_wmi_send_twt_disable_cmd(ar, ar->pdev->pdev_id);
> +		if (vif->type == NL80211_IFTYPE_AP)
> +			ath11k_debugfs_twt(arvif, info->twt_requester);

To make this more generic can you call this
ath11k_debugs_add_interface() or something like that? Ah, but this is in
ath11k_mac_op_bss_info_changed(). Shouldn't it be in
ath11k_mac_op_add_interface()?

Hmm, I think I get now. You create the debugfs directory and files only
when twt is actually enabled, not when the interface is added. I have
concerns about files coming and going like that dynamically. Wouldn't it
be cleaner to create the directory and the files when the interface is
added? And just return a good error code if someone tries to use the
debugfs files when twt is disabled?

> @@ -4608,6 +4610,8 @@ static void ath11k_mac_op_remove_interface(struct ieee80211_hw *hw,
>  
>  	/* TODO: recal traffic pause state based on the available vdevs */
>  
> +	debugfs_remove_recursive(arvif->debugfs_twt);
> +	arvif->debugfs_twt = NULL;

And this could be ath11k_debug_remove_interface().

-- 
https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches

-- 
ath11k mailing list
ath11k@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/ath11k

^ permalink raw reply	[flat|nested] 4+ messages in thread

* Re: [RESEND 1/2] ath11k: add WMI calls to manually add/del/pause/resume
  2020-06-24  8:03 [RESEND 1/2] ath11k: add WMI calls to manually add/del/pause/resume John Crispin
  2020-06-24  8:03 ` [RESEND 2/2] ath11k: add debugfs for TWT debug calls John Crispin
@ 2020-07-16  7:50 ` Kalle Valo
  1 sibling, 0 replies; 4+ messages in thread
From: Kalle Valo @ 2020-07-16  7:50 UTC (permalink / raw)
  To: John Crispin; +Cc: linux-wireless, ath11k

+ linux-wireless

John Crispin <john@phrozen.org> writes:

> These calls are used for debugging and will be required for WFA
> certification tests.
>
> Signed-off-by: John Crispin <john@phrozen.org>

[...]

> +static void ath11k_wmi_twt_add_dialog_event(struct ath11k_base *ab, struct sk_buff *skb)
> +{
> +	static const char * const status[] = {
> +		"OK", "TWT_NOT_ENABLED", "USED_DIALOG_ID", "INVALID_PARAM",
> +		"NOT_READY", "NO_RESOURCE", "NO_ACK", "NO_RESPONSE",
> +		"DENIED", "UNKNOWN_ERROR"
> +	};
> +	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 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 ev");
> +		goto exit;
> +	}
> +
> +	ath11k_info(ab, "TWT Add Dialog Event - Status: %s, DialogId: %d, VdevId: %d\n",
> +		    status[ev->status], ev->vdev_id, ev->dialog_id);

Shouldn't this be a debug message? The info level should be used very
sparingly.

-- 
https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches

-- 
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^ permalink raw reply	[flat|nested] 4+ messages in thread

end of thread, other threads:[~2020-07-16  7:51 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz follow: Atom feed
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2020-06-24  8:03 ` [RESEND 2/2] ath11k: add debugfs for TWT debug calls John Crispin
2020-07-16  7:47   ` Kalle Valo
2020-07-16  7:50 ` [RESEND 1/2] ath11k: add WMI calls to manually add/del/pause/resume Kalle Valo

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