diff mbox series

[v3,1/2] ath10k: Add support for ack rssi value of management tx packets

Message ID 1550055839-24454-2-git-send-email-aambure@codeaurora.org (mailing list archive)
State New, archived
Headers show
Series Add support for ack rssi values of all data and | expand

Commit Message

Abhishek Ambure Feb. 13, 2019, 11:03 a.m. UTC 
In WCN3990, WMI_TLV_SERVICE_TX_DATA_MGMT_ACK_RSSI service Indicates that
the firmware has the capability to send the RSSI value of the ACK for all
data and management packets transmitted.

If WMI_RSRC_CFG_FLAG_TX_ACK_RSSI is set in host capability then firmware
sends RSSI value in "management" tx completion event. Host extracts ack
rssi values of management packets from their tx completion event.

Tested HW: WCN3990
Tested FW: WLAN.HL.2.0-01617-QCAHLSWMTPLZ-1

Signed-off-by: Abhishek Ambure <aambure@codeaurora.org>
---
V2: Tested HW & Tested FW added
V3: Host capabilty WMI_RSRC_CFG_FLAG_TX_ACK_RSSI appended
---
 drivers/net/wireless/ath/ath10k/wmi-tlv.c | 25 +++++++++++++++++-
 drivers/net/wireless/ath/ath10k/wmi-tlv.h | 25 ++++++++++++++++++
 drivers/net/wireless/ath/ath10k/wmi.c     | 42 ++++++++++++++++++++++---------
 drivers/net/wireless/ath/ath10k/wmi.h     | 11 ++++++++
 4 files changed, 90 insertions(+), 13 deletions(-)

Comments

Kalle Valo Feb. 26, 2019, 12:58 p.m. UTC | #1 
Abhishek Ambure <aambure@codeaurora.org> wrote:

> In WCN3990, WMI_TLV_SERVICE_TX_DATA_MGMT_ACK_RSSI service Indicates that
> the firmware has the capability to send the RSSI value of the ACK for all
> data and management packets transmitted.
> 
> If WMI_RSRC_CFG_FLAG_TX_ACK_RSSI is set in host capability then firmware
> sends RSSI value in "management" tx completion event. Host extracts ack
> rssi values of management packets from their tx completion event.
> 
> Tested HW: WCN3990
> Tested FW: WLAN.HL.2.0-01617-QCAHLSWMTPLZ-1
> 
> Signed-off-by: Abhishek Ambure <aambure@codeaurora.org>
> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

2 patches applied to ath-next branch of ath.git, thanks.

4b816f170b1f ath10k: add support for ack rssi value of management tx packets
6ddc3860a566 ath10k: add support for ack rssi value of data tx packets
diff mbox series

Patch

diff --git a/drivers/net/wireless/ath/ath10k/wmi-tlv.c b/drivers/net/wireless/ath/ath10k/wmi-tlv.c
index 5d05bff..48394d2 100644
--- a/drivers/net/wireless/ath/ath10k/wmi-tlv.c
+++ b/drivers/net/wireless/ath/ath10k/wmi-tlv.c
@@ -684,6 +684,10 @@  static int ath10k_wmi_tlv_op_pull_scan_ev(struct ath10k *ar,
 	arg->desc_id = ev->desc_id;
 	arg->status = ev->status;
 	arg->pdev_id = ev->pdev_id;
+	arg->ppdu_id = ev->ppdu_id;
+
+	if (test_bit(WMI_SERVICE_TX_DATA_ACK_RSSI, ar->wmi.svc_map))
+		arg->ack_rssi = ev->ack_rssi;
 
 	kfree(tb);
 	return 0;
@@ -693,8 +697,12 @@  struct wmi_tlv_tx_bundle_compl_parse {
 	const __le32 *num_reports;
 	const __le32 *desc_ids;
 	const __le32 *status;
+	const __le32 *ppdu_ids;
+	const __le32 *ack_rssi;
 	bool desc_ids_done;
 	bool status_done;
+	bool ppdu_ids_done;
+	bool ack_rssi_done;
 };
 
 static int
@@ -714,6 +722,12 @@  struct wmi_tlv_tx_bundle_compl_parse {
 		} else if (!bundle_tx_compl->status_done) {
 			bundle_tx_compl->status_done = true;
 			bundle_tx_compl->status = ptr;
+		} else if (!bundle_tx_compl->ppdu_ids_done) {
+			bundle_tx_compl->ppdu_ids_done = true;
+			bundle_tx_compl->ppdu_ids = ptr;
+		} else if (!bundle_tx_compl->ack_rssi_done) {
+			bundle_tx_compl->ack_rssi_done = true;
+			bundle_tx_compl->ack_rssi = ptr;
 		}
 		break;
 	default:
@@ -744,6 +758,10 @@  static int ath10k_wmi_tlv_op_pull_mgmt_tx_bundle_compl_ev(
 	arg->num_reports = *bundle_tx_compl.num_reports;
 	arg->desc_ids = bundle_tx_compl.desc_ids;
 	arg->status = bundle_tx_compl.status;
+	arg->ppdu_ids = bundle_tx_compl.ppdu_ids;
+
+	if (test_bit(WMI_SERVICE_TX_DATA_ACK_RSSI, ar->wmi.svc_map))
+		arg->ack_rssi = bundle_tx_compl.ack_rssi;
 
 	return 0;
 }
@@ -1690,6 +1708,9 @@  static struct sk_buff *ath10k_wmi_tlv_op_gen_init(struct ath10k *ar)
 	cfg->num_ocb_schedules = __cpu_to_le32(0);
 	cfg->host_capab = __cpu_to_le32(WMI_TLV_FLAG_MGMT_BUNDLE_TX_COMPL);
 
+	if (test_bit(WMI_SERVICE_TX_DATA_ACK_RSSI, ar->wmi.svc_map))
+		cfg->host_capab |= __cpu_to_le32(WMI_RSRC_CFG_FLAG_TX_ACK_RSSI);
+
 	ath10k_wmi_put_host_mem_chunks(ar, chunks);
 
 	ath10k_dbg(ar, ATH10K_DBG_WMI, "wmi tlv init\n");
@@ -2756,7 +2777,9 @@  static void *ath10k_wmi_tlv_put_wmm(void *ptr,
 	arvif = (void *)cb->vif->drv_priv;
 	vdev_id = arvif->vdev_id;
 
-	if (WARN_ON_ONCE(!ieee80211_is_mgmt(hdr->frame_control)))
+	if (WARN_ON_ONCE(!ieee80211_is_mgmt(hdr->frame_control) &&
+			 (!(ieee80211_is_nullfunc(hdr->frame_control) ||
+			 ieee80211_is_qos_nullfunc(hdr->frame_control)))))
 		return ERR_PTR(-EINVAL);
 
 	len = sizeof(*cmd) + 2 * sizeof(*tlv);
diff --git a/drivers/net/wireless/ath/ath10k/wmi-tlv.h b/drivers/net/wireless/ath/ath10k/wmi-tlv.h
index 4fba581..13dc605 100644
--- a/drivers/net/wireless/ath/ath10k/wmi-tlv.h
+++ b/drivers/net/wireless/ath/ath10k/wmi-tlv.h
@@ -25,6 +25,8 @@ 
 #define WMI_TLV_VDEV_PARAM_UNSUPPORTED 0
 #define WMI_TLV_MGMT_TX_FRAME_MAX_LEN	64
 
+#define WMI_RSRC_CFG_FLAG_TX_ACK_RSSI		BIT(18)
+
 enum wmi_tlv_grp_id {
 	WMI_TLV_GRP_START = 0x3,
 	WMI_TLV_GRP_SCAN = WMI_TLV_GRP_START,
@@ -1395,6 +1397,25 @@  enum wmi_tlv_service {
 	WMI_TLV_SERVICE_AP_TWT = 153,
 	WMI_TLV_SERVICE_GMAC_OFFLOAD_SUPPORT = 154,
 	WMI_TLV_SERVICE_SPOOF_MAC_SUPPORT = 155,
+	WMI_TLV_SERVICE_PEER_TID_CONFIGS_SUPPORT = 156,
+	WMI_TLV_SERVICE_VDEV_SWRETRY_PER_AC_CONFIG_SUPPORT = 157,
+	WMI_TLV_SERVICE_DUAL_BEACON_ON_SINGLE_MAC_SCC_SUPPORT = 158,
+	WMI_TLV_SERVICE_DUAL_BEACON_ON_SINGLE_MAC_MCC_SUPPORT = 159,
+	WMI_TLV_SERVICE_MOTION_DET = 160,
+	WMI_TLV_SERVICE_INFRA_MBSSID = 161,
+	WMI_TLV_SERVICE_OBSS_SPATIAL_REUSE = 162,
+	WMI_TLV_SERVICE_VDEV_DIFFERENT_BEACON_INTERVAL_SUPPORT = 163,
+	WMI_TLV_SERVICE_NAN_DBS_SUPPORT = 164,
+	WMI_TLV_SERVICE_NDI_DBS_SUPPORT = 165,
+	WMI_TLV_SERVICE_NAN_SAP_SUPPORT = 166,
+	WMI_TLV_SERVICE_NDI_SAP_SUPPORT = 167,
+	WMI_TLV_SERVICE_CFR_CAPTURE_SUPPORT = 168,
+	WMI_TLV_SERVICE_CFR_CAPTURE_IND_MSG_TYPE_1 = 169,
+	WMI_TLV_SERVICE_ESP_SUPPORT = 170,
+	WMI_TLV_SERVICE_PEER_CHWIDTH_CHANGE = 171,
+	WMI_TLV_SERVICE_WLAN_HPCS_PULSE = 172,
+	WMI_TLV_SERVICE_PER_VDEV_CHAINMASK_CONFIG_SUPPORT = 173,
+	WMI_TLV_SERVICE_TX_DATA_MGMT_ACK_RSSI = 174,
 
 	WMI_TLV_MAX_EXT_SERVICE = 256,
 };
@@ -1568,6 +1589,8 @@  enum wmi_tlv_service {
 	SVCMAP(WMI_TLV_SERVICE_THERM_THROT,
 	       WMI_SERVICE_THERM_THROT,
 	       WMI_TLV_MAX_SERVICE);
+	SVCMAP(WMI_TLV_SERVICE_TX_DATA_MGMT_ACK_RSSI,
+	       WMI_SERVICE_TX_DATA_ACK_RSSI, WMI_TLV_MAX_SERVICE);
 }
 
 #undef SVCMAP
@@ -1599,6 +1622,8 @@  struct wmi_tlv_mgmt_tx_compl_ev {
 	__le32 desc_id;
 	__le32 status;
 	__le32 pdev_id;
+	__le32 ppdu_id;
+	__le32 ack_rssi;
 };
 
 #define WMI_TLV_MGMT_RX_NUM_RSSI 4
diff --git a/drivers/net/wireless/ath/ath10k/wmi.c b/drivers/net/wireless/ath/ath10k/wmi.c
index 704c71b..6e5bd0e 100644
--- a/drivers/net/wireless/ath/ath10k/wmi.c
+++ b/drivers/net/wireless/ath/ath10k/wmi.c
@@ -2353,8 +2353,8 @@  static bool ath10k_wmi_rx_is_decrypted(struct ath10k *ar,
 	return true;
 }
 
-static int wmi_process_mgmt_tx_comp(struct ath10k *ar, u32 desc_id,
-				    u32 status)
+static int
+wmi_process_mgmt_tx_comp(struct ath10k *ar, struct mgmt_tx_compl_params *param)
 {
 	struct ath10k_mgmt_tx_pkt_addr *pkt_addr;
 	struct ath10k_wmi *wmi = &ar->wmi;
@@ -2364,10 +2364,10 @@  static int wmi_process_mgmt_tx_comp(struct ath10k *ar, u32 desc_id,
 
 	spin_lock_bh(&ar->data_lock);
 
-	pkt_addr = idr_find(&wmi->mgmt_pending_tx, desc_id);
+	pkt_addr = idr_find(&wmi->mgmt_pending_tx, param->desc_id);
 	if (!pkt_addr) {
 		ath10k_warn(ar, "received mgmt tx completion for invalid msdu_id: %d\n",
-			    desc_id);
+			    param->desc_id);
 		ret = -ENOENT;
 		goto out;
 	}
@@ -2377,17 +2377,21 @@  static int wmi_process_mgmt_tx_comp(struct ath10k *ar, u32 desc_id,
 			 msdu->len, DMA_TO_DEVICE);
 	info = IEEE80211_SKB_CB(msdu);
 
-	if (status)
+	if (param->status) {
 		info->flags &= ~IEEE80211_TX_STAT_ACK;
-	else
+	} else {
 		info->flags |= IEEE80211_TX_STAT_ACK;
+		info->status.ack_signal = ATH10K_DEFAULT_NOISE_FLOOR +
+					  param->ack_rssi;
+		info->status.is_valid_ack_signal = true;
+	}
 
 	ieee80211_tx_status_irqsafe(ar->hw, msdu);
 
 	ret = 0;
 
 out:
-	idr_remove(&wmi->mgmt_pending_tx, desc_id);
+	idr_remove(&wmi->mgmt_pending_tx, param->desc_id);
 	spin_unlock_bh(&ar->data_lock);
 	return ret;
 }
@@ -2395,6 +2399,7 @@  static int wmi_process_mgmt_tx_comp(struct ath10k *ar, u32 desc_id,
 int ath10k_wmi_event_mgmt_tx_compl(struct ath10k *ar, struct sk_buff *skb)
 {
 	struct wmi_tlv_mgmt_tx_compl_ev_arg arg;
+	struct mgmt_tx_compl_params param;
 	int ret;
 
 	ret = ath10k_wmi_pull_mgmt_tx_compl(ar, skb, &arg);
@@ -2403,8 +2408,14 @@  int ath10k_wmi_event_mgmt_tx_compl(struct ath10k *ar, struct sk_buff *skb)
 		return ret;
 	}
 
-	wmi_process_mgmt_tx_comp(ar, __le32_to_cpu(arg.desc_id),
-				 __le32_to_cpu(arg.status));
+	memset(&param, 0, sizeof(struct mgmt_tx_compl_params));
+	param.desc_id = __le32_to_cpu(arg.desc_id);
+	param.status = __le32_to_cpu(arg.status);
+
+	if (test_bit(WMI_SERVICE_TX_DATA_ACK_RSSI, ar->wmi.svc_map))
+		param.ack_rssi = __le32_to_cpu(arg.ack_rssi);
+
+	wmi_process_mgmt_tx_comp(ar, &param);
 
 	ath10k_dbg(ar, ATH10K_DBG_WMI, "wmi tlv evnt mgmt tx completion\n");
 
@@ -2414,6 +2425,7 @@  int ath10k_wmi_event_mgmt_tx_compl(struct ath10k *ar, struct sk_buff *skb)
 int ath10k_wmi_event_mgmt_tx_bundle_compl(struct ath10k *ar, struct sk_buff *skb)
 {
 	struct wmi_tlv_mgmt_tx_bundle_compl_ev_arg arg;
+	struct mgmt_tx_compl_params param;
 	u32 num_reports;
 	int i, ret;
 
@@ -2425,9 +2437,15 @@  int ath10k_wmi_event_mgmt_tx_bundle_compl(struct ath10k *ar, struct sk_buff *skb
 
 	num_reports = __le32_to_cpu(arg.num_reports);
 
-	for (i = 0; i < num_reports; i++)
-		wmi_process_mgmt_tx_comp(ar, __le32_to_cpu(arg.desc_ids[i]),
-					 __le32_to_cpu(arg.status[i]));
+	for (i = 0; i < num_reports; i++) {
+		memset(&param, 0, sizeof(struct mgmt_tx_compl_params));
+		param.desc_id = __le32_to_cpu(arg.desc_ids[i]);
+		param.status = __le32_to_cpu(arg.desc_ids[i]);
+
+		if (test_bit(WMI_SERVICE_TX_DATA_ACK_RSSI, ar->wmi.svc_map))
+			param.ack_rssi = __le32_to_cpu(arg.ack_rssi[i]);
+		wmi_process_mgmt_tx_comp(ar, &param);
+	}
 
 	ath10k_dbg(ar, ATH10K_DBG_WMI, "wmi tlv event bundle mgmt tx completion\n");
 
diff --git a/drivers/net/wireless/ath/ath10k/wmi.h b/drivers/net/wireless/ath/ath10k/wmi.h
index 0e27878..fd59ce4 100644
--- a/drivers/net/wireless/ath/ath10k/wmi.h
+++ b/drivers/net/wireless/ath/ath10k/wmi.h
@@ -6736,16 +6736,27 @@  struct wmi_scan_ev_arg {
 	__le32 vdev_id;
 };
 
+struct mgmt_tx_compl_params {
+	u32 desc_id;
+	u32 status;
+	u32 ppdu_id;
+	int ack_rssi;
+};
+
 struct wmi_tlv_mgmt_tx_compl_ev_arg {
 	__le32 desc_id;
 	__le32 status;
 	__le32 pdev_id;
+	__le32 ppdu_id;
+	__le32 ack_rssi;
 };
 
 struct wmi_tlv_mgmt_tx_bundle_compl_ev_arg {
 	__le32 num_reports;
 	const __le32 *desc_ids;
 	const __le32 *status;
+	const __le32 *ppdu_ids;
+	const __le32 *ack_rssi;
 };
 
 struct wmi_mgmt_rx_ev_arg {