diff mbox series

[wireless-next,v5,4/4] wifi: ath12k: update EMLSR capabilities of ML Station

Message ID 20250327051320.3253783-5-quic_ramess@quicinc.com
State New
Headers show
Series wifi: cfg80211: update EML capabilities of an ML Station | expand

Commit Message

Rameshkumar Sundaram March 27, 2025, 5:13 a.m. UTC 
From: Ramasamy Kaliappan <quic_rkaliapp@quicinc.com>

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: Ramasamy Kaliappan <quic_rkaliapp@quicinc.com>
Signed-off-by: Rameshkumar Sundaram <quic_ramess@quicinc.com>
---
 drivers/net/wireless/ath/ath12k/mac.c |  1 +
 drivers/net/wireless/ath/ath12k/wmi.c | 23 +++++++++++++++++++++--
 drivers/net/wireless/ath/ath12k/wmi.h |  1 +
 3 files changed, 23 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/drivers/net/wireless/ath/ath12k/mac.c b/drivers/net/wireless/ath/ath12k/mac.c
index dfa05f0ee6c9..b2f8cc426c4b 100644
--- a/drivers/net/wireless/ath/ath12k/mac.c
+++ b/drivers/net/wireless/ath/ath12k/mac.c
@@ -3139,6 +3139,7 @@  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();
diff --git a/drivers/net/wireless/ath/ath12k/wmi.c b/drivers/net/wireless/ath/ath12k/wmi.c
index 6d1ea5f3a791..a75ff048dc9e 100644
--- a/drivers/net/wireless/ath/ath12k/wmi.c
+++ b/drivers/net/wireless/ath/ath12k/wmi.c
@@ -2166,9 +2166,10 @@  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,
@@ -2340,6 +2341,24 @@  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:
diff --git a/drivers/net/wireless/ath/ath12k/wmi.h b/drivers/net/wireless/ath/ath12k/wmi.h
index 1ba33e30ddd2..c74e65d6a224 100644
--- a/drivers/net/wireless/ath/ath12k/wmi.h
+++ b/drivers/net/wireless/ath/ath12k/wmi.h
@@ -3754,6 +3754,7 @@  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 {