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: Ramasamy Kaliappan <quic_rkaliapp@quicinc.com>
Signed-off-by: Rameshkumar Sundaram <quic_ramess@quicinc.com>
Reviewed-by: Vasanthakumar Thiagarajan <vasanthakumar.thiagarajan@oss.qualcomm.com>
Link: https://patch.msgid.link/20250327051320.3253783-5-quic_ramess@quicinc.com
Signed-off-by: Jeff Johnson <jeff.johnson@oss.qualcomm.com>

diff --git a/drivers/net/wireless/ath/ath12k/mac.c b/drivers/net/wireless/ath/ath12k/mac.c
index aea03a96bdc933857362468876dfb8e5878302cd..30329119cfeedb4739ab658f15aa8ed037066229 100644 (file)
--- a/drivers/net/wireless/ath/ath12k/mac.c
+++ b/drivers/net/wireless/ath/ath12k/mac.c
@@ -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();

diff --git a/drivers/net/wireless/ath/ath12k/wmi.c b/drivers/net/wireless/ath/ath12k/wmi.c
index 7ad0934a344f2d1bd47775e4c6c0abc227a1ab33..90b47e3296a1a8c3268662ba7e09bd2ee587d353 100644 (file)
--- a/drivers/net/wireless/ath/ath12k/wmi.c
+++ b/drivers/net/wireless/ath/ath12k/wmi.c
@@ -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:

diff --git a/drivers/net/wireless/ath/ath12k/wmi.h b/drivers/net/wireless/ath/ath12k/wmi.h
index d0a79a907dc752e65e3da852b66e1eda17b705c6..811bc659945f1a4f4e0cda5c6ca9f60efac32a34 100644 (file)
--- a/drivers/net/wireless/ath/ath12k/wmi.h
+++ b/drivers/net/wireless/ath/ath12k/wmi.h
@@ -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 {