Commit 01c6c9fc authored by Abinaya Kalaiselvan's avatar Abinaya Kalaiselvan Committed by Kalle Valo
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wifi: ath11k: Add tx ack signal support for management packets 



Add support to notify tx ack signal values for management
packets to userspace through nl80211 interface.

Advertise NL80211_EXT_FEATURE_ACK_SIGNAL_SUPPORT flag
to enable this feature and it will be used for data
packets as well.

Tested-on: IPQ8074 hw2.0 AHB WLAN.HK.2.7.0.1-01744-QCAHKSWPL_SILICONZ-1

Signed-off-by: default avatarAbinaya Kalaiselvan <quic_akalaise@quicinc.com>
Signed-off-by: default avatarMaharaja Kennadyrajan <quic_mkenna@quicinc.com>
Signed-off-by: default avatarKalle Valo <quic_kvalo@quicinc.com>
Link: https://lore.kernel.org/r/20221219053844.4084486-1-quic_mkenna@quicinc.com
parent ebf82988

drivers/net/wireless/ath/ath11k/hw.c

+1 −0
Original line number Diff line number Diff line
@@ -201,6 +201,7 @@ static void ath11k_init_wmi_config_ipq8074(struct ath11k_base *ab, 
	config->twt_ap_pdev_count = ab->num_radios;

	config->twt_ap_sta_count = 1000;

	config->flag1 |= WMI_RSRC_CFG_FLAG1_BSS_CHANNEL_INFO_64;

	config->flag1 |= WMI_RSRC_CFG_FLAG1_ACK_RSSI;

}



static int ath11k_hw_mac_id_to_pdev_id_ipq8074(struct ath11k_hw_params *hw,

drivers/net/wireless/ath/ath11k/mac.c

+5 −0
Original line number Diff line number Diff line
@@ -9174,6 +9174,11 @@ static int __ath11k_mac_register(struct ath11k *ar) 
		goto err_free_if_combs;

	}



	if (test_bit(WMI_TLV_SERVICE_TX_DATA_MGMT_ACK_RSSI,

		     ar->ab->wmi_ab.svc_map))

		wiphy_ext_feature_set(ar->hw->wiphy,

				      NL80211_EXT_FEATURE_ACK_SIGNAL_SUPPORT);



	ar->hw->queues = ATH11K_HW_MAX_QUEUES;

	ar->hw->wiphy->tx_queue_len = ATH11K_QUEUE_LEN;

	ar->hw->offchannel_tx_hw_queue = ATH11K_HW_MAX_QUEUES - 1;

drivers/net/wireless/ath/ath11k/wmi.c

+16 −11
Original line number Diff line number Diff line
@@ -5229,8 +5229,8 @@ static int ath11k_pull_mgmt_rx_params_tlv(struct ath11k_base *ab, 
	return 0;

}



static int wmi_process_mgmt_tx_comp(struct ath11k *ar, u32 desc_id,

				    u32 status)

static int wmi_process_mgmt_tx_comp(struct ath11k *ar,

				    struct wmi_mgmt_tx_compl_event *tx_compl_param)

{

	struct sk_buff *msdu;

	struct ieee80211_tx_info *info;
@@ -5238,24 +5238,29 @@ static int wmi_process_mgmt_tx_comp(struct ath11k *ar, u32 desc_id, 
	int num_mgmt;



	spin_lock_bh(&ar->txmgmt_idr_lock);

	msdu = idr_find(&ar->txmgmt_idr, desc_id);

	msdu = idr_find(&ar->txmgmt_idr, tx_compl_param->desc_id);



	if (!msdu) {

		ath11k_warn(ar->ab, "received mgmt tx compl for invalid msdu_id: %d\n",

			    desc_id);

			    tx_compl_param->desc_id);

		spin_unlock_bh(&ar->txmgmt_idr_lock);

		return -ENOENT;

	}



	idr_remove(&ar->txmgmt_idr, desc_id);

	idr_remove(&ar->txmgmt_idr, tx_compl_param->desc_id);

	spin_unlock_bh(&ar->txmgmt_idr_lock);



	skb_cb = ATH11K_SKB_CB(msdu);

	dma_unmap_single(ar->ab->dev, skb_cb->paddr, msdu->len, DMA_TO_DEVICE);



	info = IEEE80211_SKB_CB(msdu);

	if ((!(info->flags & IEEE80211_TX_CTL_NO_ACK)) && !status)

	if ((!(info->flags & IEEE80211_TX_CTL_NO_ACK)) &&

	    !tx_compl_param->status) {

		info->flags |= IEEE80211_TX_STAT_ACK;

		if (test_bit(WMI_TLV_SERVICE_TX_DATA_MGMT_ACK_RSSI,

			     ar->ab->wmi_ab.svc_map))

			info->status.ack_signal = tx_compl_param->ack_rssi;

	}



	ieee80211_tx_status_irqsafe(ar->hw, msdu);
@@ -5267,7 +5272,7 @@ static int wmi_process_mgmt_tx_comp(struct ath11k *ar, u32 desc_id, 


	ath11k_dbg(ar->ab, ATH11K_DBG_WMI,

		   "wmi mgmt tx comp pending %d desc id %d\n",

		   num_mgmt, desc_id);

		   num_mgmt, tx_compl_param->desc_id);



	if (!num_mgmt)

		wake_up(&ar->txmgmt_empty_waitq);
@@ -5300,6 +5305,7 @@ static int ath11k_pull_mgmt_tx_compl_param_tlv(struct ath11k_base *ab, 
	param->pdev_id = ev->pdev_id;

	param->desc_id = ev->desc_id;

	param->status = ev->status;

	param->ack_rssi = ev->ack_rssi;



	kfree(tb);

	return 0;
@@ -7070,13 +7076,12 @@ static void ath11k_mgmt_tx_compl_event(struct ath11k_base *ab, struct sk_buff *s 
		goto exit;

	}



	wmi_process_mgmt_tx_comp(ar, tx_compl_param.desc_id,

				 tx_compl_param.status);

	wmi_process_mgmt_tx_comp(ar, &tx_compl_param);



	ath11k_dbg(ab, ATH11K_DBG_MGMT,

		   "mgmt tx compl ev pdev_id %d, desc_id %d, status %d",

		   "mgmt tx compl ev pdev_id %d, desc_id %d, status %d ack_rssi %d",

		   tx_compl_param.pdev_id, tx_compl_param.desc_id,

		   tx_compl_param.status);

		   tx_compl_param.status, tx_compl_param.ack_rssi);



exit:

	rcu_read_unlock();

drivers/net/wireless/ath/ath11k/wmi.h

+3 −0
Original line number Diff line number Diff line
@@ -2311,6 +2311,7 @@ struct wmi_init_cmd { 
} __packed;



#define WMI_RSRC_CFG_FLAG1_BSS_CHANNEL_INFO_64 BIT(5)

#define WMI_RSRC_CFG_FLAG1_ACK_RSSI BIT(18)



struct wmi_resource_config {

	u32 tlv_header;
@@ -4550,6 +4551,8 @@ struct wmi_mgmt_tx_compl_event { 
	u32 desc_id;

	u32 status;

	u32 pdev_id;

	u32 ppdu_id;

	u32 ack_rssi;

} __packed;



struct wmi_scan_event {