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wifi: ath12k: Add EHT fixed GI/LTF

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Add EHT functionality to set fixed GI/LTF parameters.
Add new wmi vdev parameter id for EHT LTF

Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.0.1-00029-QCAHKSWPL_SILICONZ-1

Signed-off-by: Muna Sinada <muna.sinada@oss.qualcomm.com>
Reviewed-by: Vasanthakumar Thiagarajan <vasanthakumar.thiagarajan@oss.qualcomm.com>
Link: https://patch.msgid.link/20251024001928.257356-5-muna.sinada@oss.qualcomm.com
Signed-off-by: Jeff Johnson <jeff.johnson@oss.qualcomm.com>
This commit is contained in:
Muna Sinada
2025-10-23 17:19:26 -07:00
committed by Jeff Johnson
parent 6c95151e2e
commit ab31a9b73c
2 changed files with 41 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

50
drivers/net/wireless/ath/ath12k/mac.c
View File

@@ -12305,10 +12305,11 @@ ath12k_mac_get_single_legacy_rate(struct ath12k *ar,
}
static int
ath12k_mac_set_fixed_rate_gi_ltf(struct ath12k_link_vif *arvif, u8 gi, u8 ltf)
ath12k_mac_set_fixed_rate_gi_ltf(struct ath12k_link_vif *arvif, u8 gi, u8 ltf,
u32 param)
{
struct ath12k *ar = arvif->ar;
int param, ret;
int ret;
lockdep_assert_wiphy(ath12k_ar_to_hw(ar)->wiphy);
@@ -12323,11 +12324,16 @@ ath12k_mac_set_fixed_rate_gi_ltf(struct ath12k_link_vif *arvif, u8 gi, u8 ltf)
gi, ret);
return ret;
}
/* start from 1 */
if (ltf != 0xFF)
ltf += 1;
param = WMI_VDEV_PARAM_HE_LTF;
if (param == WMI_VDEV_PARAM_HE_LTF) {
/* HE values start from 1 */
if (ltf != 0xFF)
ltf += 1;
} else {
/* EHT values start from 5 */
if (ltf != 0xFF)
ltf += 4;
}
ret = ath12k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,
param, ltf);
@@ -12410,6 +12416,7 @@ static u32 ath12k_mac_nlgi_to_wmigi(enum nl80211_txrate_gi gi)
static int ath12k_mac_set_rate_params(struct ath12k_link_vif *arvif,
u32 rate, u8 nss, u8 sgi, u8 ldpc,
u8 he_gi, u8 he_ltf, bool he_fixed_rate,
u8 eht_gi, u8 eht_ltf,
bool eht_fixed_rate)
{
struct ieee80211_bss_conf *link_conf;
@@ -12436,8 +12443,9 @@ static int ath12k_mac_set_rate_params(struct ath12k_link_vif *arvif,
"he_gi 0x%02x he_ltf 0x%02x he_fixed_rate %d\n", he_gi,
he_ltf, he_fixed_rate);
ath12k_dbg(ar->ab, ATH12K_DBG_MAC, "eht_fixed_rate %d\n",
eht_fixed_rate);
ath12k_dbg(ar->ab, ATH12K_DBG_MAC,
"eht_gi 0x%02x eht_ltf 0x%02x eht_fixed_rate %d\n",
eht_gi, eht_ltf, eht_fixed_rate);
if (!he_support && !eht_support) {
vdev_param = WMI_VDEV_PARAM_FIXED_RATE;
@@ -12468,9 +12476,26 @@ static int ath12k_mac_set_rate_params(struct ath12k_link_vif *arvif,
return ret;
}
if (eht_support) {
if (eht_fixed_rate)
ret = ath12k_mac_set_fixed_rate_gi_ltf(arvif, eht_gi, eht_ltf,
WMI_VDEV_PARAM_EHT_LTF);
else
ret = ath12k_mac_set_auto_rate_gi_ltf(arvif, eht_gi, eht_ltf);
if (ret) {
ath12k_warn(ar->ab,
"failed to set EHT LTF/GI params %d/%d: %d\n",
eht_gi, eht_ltf, ret);
return ret;
}
gi_ltf_set = true;
}
if (he_support) {
if (he_fixed_rate)
ret = ath12k_mac_set_fixed_rate_gi_ltf(arvif, he_gi, he_ltf);
ret = ath12k_mac_set_fixed_rate_gi_ltf(arvif, he_gi, he_ltf,
WMI_VDEV_PARAM_HE_LTF);
else
ret = ath12k_mac_set_auto_rate_gi_ltf(arvif, he_gi, he_ltf);
if (ret)
@@ -12672,6 +12697,7 @@ ath12k_mac_op_set_bitrate_mask(struct ieee80211_hw *hw,
const u16 *he_mcs_mask;
u8 he_ltf = 0;
u8 he_gi = 0;
u8 eht_ltf = 0, eht_gi = 0;
u32 rate;
u8 nss, mac_nss;
u8 sgi;
@@ -12707,6 +12733,9 @@ ath12k_mac_op_set_bitrate_mask(struct ieee80211_hw *hw,
he_gi = mask->control[band].he_gi;
he_ltf = mask->control[band].he_ltf;
eht_gi = mask->control[band].eht_gi;
eht_ltf = mask->control[band].eht_ltf;
/* mac80211 doesn't support sending a fixed HT/VHT MCS alone, rather it
* requires passing at least one of used basic rates along with them.
* Fixed rate setting across different preambles(legacy, HT, VHT) is
@@ -12805,7 +12834,8 @@ ath12k_mac_op_set_bitrate_mask(struct ieee80211_hw *hw,
}
ret = ath12k_mac_set_rate_params(arvif, rate, nss, sgi, ldpc, he_gi,
he_ltf, he_fixed_rate, eht_fixed_rate);
he_ltf, he_fixed_rate, eht_gi, eht_ltf,
eht_fixed_rate);
if (ret) {
ath12k_warn(ar->ab, "failed to set rate params on vdev %i: %d\n",
arvif->vdev_id, ret);

1
drivers/net/wireless/ath/ath12k/wmi.h
View File

@@ -1197,6 +1197,7 @@ enum wmi_tlv_vdev_param {
WMI_VDEV_PARAM_SET_HEMU_MODE,
WMI_VDEV_PARAM_HEOPS_0_31 = 0x8003,
WMI_VDEV_PARAM_SET_EHT_MU_MODE = 0x8005,
WMI_VDEV_PARAM_EHT_LTF,
};
enum wmi_tlv_peer_flags {