Commit 4bcf9525 authored by Ramasamy Kaliappan's avatar Ramasamy Kaliappan Committed by Jeff Johnson
Browse files

wifi: ath12k: update EMLSR capabilities of ML Station 



When EMLSR operation is enabled for an ML Station, EMLSR transition
timeout, padding delay and transition delay should be updated to
Firmware. Above parameters will be used by Firmware to do EMLSR operation
such as sending EML operation mode notification frame, initial control
frame etc.
Obtain above parameters from EML capabilities information present in
ieee80211_sta object and update the same to Firmware in peer assoc WMI
command sent for ML station.
MLO is not enabled in WCN7850 and hence this change is not applicable to
it as of now. This can be a leverage once it is enabled in future.

Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.3.1-00173-QCAHKSWPL_SILICONZ-1

Signed-off-by: default avatarRamasamy Kaliappan <quic_rkaliapp@quicinc.com>
Signed-off-by: default avatarRameshkumar Sundaram <quic_ramess@quicinc.com>
Reviewed-by: default avatarVasanthakumar Thiagarajan <vasanthakumar.thiagarajan@oss.qualcomm.com>
Link: https://patch.msgid.link/20250327051320.3253783-5-quic_ramess@quicinc.com


Signed-off-by: default avatarJeff Johnson <jeff.johnson@oss.qualcomm.com>
parent a5f95d3d

drivers/net/wireless/ath/ath12k/mac.c

+1 −0
Original line number Diff line number Diff line
@@ -3047,6 +3047,7 @@ static void ath12k_peer_assoc_h_mlo(struct ath12k_link_sta *arsta, 
	ml->ml_peer_id = ahsta->ml_peer_id;

	ml->ieee_link_id = arsta->link_id;

	ml->num_partner_links = 0;

	ml->eml_cap = sta->eml_cap;

	links = ahsta->links_map;



	rcu_read_lock();

drivers/net/wireless/ath/ath12k/wmi.c

+21 −2
Original line number Diff line number Diff line
@@ -2187,9 +2187,10 @@ int ath12k_wmi_send_peer_assoc_cmd(struct ath12k *ar, 
	struct sk_buff *skb;

	struct wmi_tlv *tlv;

	void *ptr;

	u32 peer_legacy_rates_align;

	u32 peer_ht_rates_align;

	u32 peer_legacy_rates_align, eml_pad_delay, eml_trans_delay;

	u32 peer_ht_rates_align, eml_trans_timeout;

	int i, ret, len;

	u16 eml_cap;

	__le32 v;



	peer_legacy_rates_align = roundup(arg->peer_legacy_rates.num_rates,
@@ -2361,6 +2362,24 @@ int ath12k_wmi_send_peer_assoc_cmd(struct ath12k *ar, 
	ml_params->logical_link_idx = cpu_to_le32(arg->ml.logical_link_idx);

	ml_params->ml_peer_id = cpu_to_le32(arg->ml.ml_peer_id);

	ml_params->ieee_link_id = cpu_to_le32(arg->ml.ieee_link_id);



	eml_cap = arg->ml.eml_cap;

	if (u16_get_bits(eml_cap, IEEE80211_EML_CAP_EMLSR_SUPP)) {

		/* Padding delay */

		eml_pad_delay = ieee80211_emlsr_pad_delay_in_us(eml_cap);

		ml_params->emlsr_padding_delay_us = cpu_to_le32(eml_pad_delay);

		/* Transition delay */

		eml_trans_delay = ieee80211_emlsr_trans_delay_in_us(eml_cap);

		ml_params->emlsr_trans_delay_us = cpu_to_le32(eml_trans_delay);

		/* Transition timeout */

		eml_trans_timeout = ieee80211_eml_trans_timeout_in_us(eml_cap);

		ml_params->emlsr_trans_timeout_us =

					cpu_to_le32(eml_trans_timeout);

		ath12k_dbg(ar->ab, ATH12K_DBG_WMI, "wmi peer %pM emlsr padding delay %u, trans delay %u trans timeout %u",

			   arg->peer_mac, eml_pad_delay, eml_trans_delay,

			   eml_trans_timeout);

	}



	ptr += sizeof(*ml_params);



skip_ml_params:

drivers/net/wireless/ath/ath12k/wmi.h

+1 −0
Original line number Diff line number Diff line
@@ -3776,6 +3776,7 @@ struct peer_assoc_mlo_params { 
	u32 ieee_link_id;

	u8 num_partner_links;

	struct wmi_ml_partner_info partner_info[ATH12K_WMI_MLO_MAX_LINKS];

	u16 eml_cap;

};



struct wmi_rate_set_arg {