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-rw-r--r--drivers/net/wireless/ath/ath10k/core.c1
-rw-r--r--drivers/net/wireless/ath/ath10k/core.h7
-rw-r--r--drivers/net/wireless/ath/ath10k/mac.c111
-rw-r--r--drivers/net/wireless/ath/ath10k/wmi.h1
4 files changed, 108 insertions, 12 deletions
diff --git a/drivers/net/wireless/ath/ath10k/core.c b/drivers/net/wireless/ath/ath10k/core.c
index 43ed6164a132..d5cb22e04a1e 100644
--- a/drivers/net/wireless/ath/ath10k/core.c
+++ b/drivers/net/wireless/ath/ath10k/core.c
@@ -629,6 +629,7 @@ static const char *const ath10k_core_fw_feature_str[] = {
[ATH10K_FW_FEATURE_MGMT_TX_BY_REF] = "mgmt-tx-by-reference",
[ATH10K_FW_FEATURE_NON_BMI] = "non-bmi",
[ATH10K_FW_FEATURE_SINGLE_CHAN_INFO_PER_CHANNEL] = "single-chan-info-per-channel",
+ [ATH10K_FW_FEATURE_PEER_FIXED_RATE] = "peer-fixed-rate",
};
static unsigned int ath10k_core_get_fw_feature_str(char *buf,
diff --git a/drivers/net/wireless/ath/ath10k/core.h b/drivers/net/wireless/ath/ath10k/core.h
index 2d109c030ec4..fe6e88d2bdf9 100644
--- a/drivers/net/wireless/ath/ath10k/core.h
+++ b/drivers/net/wireless/ath/ath10k/core.h
@@ -579,6 +579,10 @@ struct ath10k_vif {
struct work_struct ap_csa_work;
struct delayed_work connection_loss_work;
struct cfg80211_bitrate_mask bitrate_mask;
+
+ /* For setting VHT peer fixed rate, protected by conf_mutex */
+ int vht_num_rates;
+ u8 vht_pfr;
};
struct ath10k_vif_iter {
@@ -770,6 +774,9 @@ enum ath10k_fw_features {
/* Firmware sends only one chan_info event per channel */
ATH10K_FW_FEATURE_SINGLE_CHAN_INFO_PER_CHANNEL = 20,
+ /* Firmware allows setting peer fixed rate */
+ ATH10K_FW_FEATURE_PEER_FIXED_RATE = 21,
+
/* keep last */
ATH10K_FW_FEATURE_COUNT,
};
diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c
index 40e7cea02f94..c4e7adf3ae45 100644
--- a/drivers/net/wireless/ath/ath10k/mac.c
+++ b/drivers/net/wireless/ath/ath10k/mac.c
@@ -7107,18 +7107,23 @@ exit:
static bool
ath10k_mac_bitrate_mask_has_single_rate(struct ath10k *ar,
enum nl80211_band band,
- const struct cfg80211_bitrate_mask *mask)
+ const struct cfg80211_bitrate_mask *mask,
+ int *vht_num_rates)
{
int num_rates = 0;
- int i;
+ int i, tmp;
num_rates += hweight32(mask->control[band].legacy);
for (i = 0; i < ARRAY_SIZE(mask->control[band].ht_mcs); i++)
num_rates += hweight8(mask->control[band].ht_mcs[i]);
- for (i = 0; i < ARRAY_SIZE(mask->control[band].vht_mcs); i++)
- num_rates += hweight16(mask->control[band].vht_mcs[i]);
+ *vht_num_rates = 0;
+ for (i = 0; i < ARRAY_SIZE(mask->control[band].vht_mcs); i++) {
+ tmp = hweight16(mask->control[band].vht_mcs[i]);
+ num_rates += tmp;
+ *vht_num_rates += tmp;
+ }
return num_rates == 1;
}
@@ -7176,7 +7181,7 @@ static int
ath10k_mac_bitrate_mask_get_single_rate(struct ath10k *ar,
enum nl80211_band band,
const struct cfg80211_bitrate_mask *mask,
- u8 *rate, u8 *nss)
+ u8 *rate, u8 *nss, bool vht_only)
{
int rate_idx;
int i;
@@ -7184,6 +7189,9 @@ ath10k_mac_bitrate_mask_get_single_rate(struct ath10k *ar,
u8 preamble;
u8 hw_rate;
+ if (vht_only)
+ goto next;
+
if (hweight32(mask->control[band].legacy) == 1) {
rate_idx = ffs(mask->control[band].legacy) - 1;
@@ -7217,6 +7225,7 @@ ath10k_mac_bitrate_mask_get_single_rate(struct ath10k *ar,
}
}
+next:
for (i = 0; i < ARRAY_SIZE(mask->control[band].vht_mcs); i++) {
if (hweight16(mask->control[band].vht_mcs[i]) == 1) {
*nss = i + 1;
@@ -7278,7 +7287,8 @@ static int ath10k_mac_set_fixed_rate_params(struct ath10k_vif *arvif,
static bool
ath10k_mac_can_set_bitrate_mask(struct ath10k *ar,
enum nl80211_band band,
- const struct cfg80211_bitrate_mask *mask)
+ const struct cfg80211_bitrate_mask *mask,
+ bool allow_pfr)
{
int i;
u16 vht_mcs;
@@ -7297,7 +7307,8 @@ ath10k_mac_can_set_bitrate_mask(struct ath10k *ar,
case BIT(10) - 1:
break;
default:
- ath10k_warn(ar, "refusing bitrate mask with missing 0-7 VHT MCS rates\n");
+ if (!allow_pfr)
+ ath10k_warn(ar, "refusing bitrate mask with missing 0-7 VHT MCS rates\n");
return false;
}
}
@@ -7305,6 +7316,26 @@ ath10k_mac_can_set_bitrate_mask(struct ath10k *ar,
return true;
}
+static bool ath10k_mac_set_vht_bitrate_mask_fixup(struct ath10k *ar,
+ struct ath10k_vif *arvif,
+ struct ieee80211_sta *sta)
+{
+ int err;
+ u8 rate = arvif->vht_pfr;
+
+ /* skip non vht and multiple rate peers */
+ if (!sta->vht_cap.vht_supported || arvif->vht_num_rates != 1)
+ return false;
+
+ err = ath10k_wmi_peer_set_param(ar, arvif->vdev_id, sta->addr,
+ WMI_PEER_PARAM_FIXED_RATE, rate);
+ if (err)
+ ath10k_warn(ar, "failed to eanble STA %pM peer fixed rate: %d\n",
+ sta->addr, err);
+
+ return true;
+}
+
static void ath10k_mac_set_bitrate_mask_iter(void *data,
struct ieee80211_sta *sta)
{
@@ -7315,6 +7346,9 @@ static void ath10k_mac_set_bitrate_mask_iter(void *data,
if (arsta->arvif != arvif)
return;
+ if (ath10k_mac_set_vht_bitrate_mask_fixup(ar, arvif, sta))
+ return;
+
spin_lock_bh(&ar->data_lock);
arsta->changed |= IEEE80211_RC_SUPP_RATES_CHANGED;
spin_unlock_bh(&ar->data_lock);
@@ -7322,6 +7356,26 @@ static void ath10k_mac_set_bitrate_mask_iter(void *data,
ieee80211_queue_work(ar->hw, &arsta->update_wk);
}
+static void ath10k_mac_clr_bitrate_mask_iter(void *data,
+ struct ieee80211_sta *sta)
+{
+ struct ath10k_vif *arvif = data;
+ struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv;
+ struct ath10k *ar = arvif->ar;
+ int err;
+
+ /* clear vht peers only */
+ if (arsta->arvif != arvif || !sta->vht_cap.vht_supported)
+ return;
+
+ err = ath10k_wmi_peer_set_param(ar, arvif->vdev_id, sta->addr,
+ WMI_PEER_PARAM_FIXED_RATE,
+ WMI_FIXED_RATE_NONE);
+ if (err)
+ ath10k_warn(ar, "failed to clear STA %pM peer fixed rate: %d\n",
+ sta->addr, err);
+}
+
static int ath10k_mac_op_set_bitrate_mask(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
const struct cfg80211_bitrate_mask *mask)
@@ -7338,6 +7392,9 @@ static int ath10k_mac_op_set_bitrate_mask(struct ieee80211_hw *hw,
u8 ldpc;
int single_nss;
int ret;
+ int vht_num_rates, allow_pfr;
+ u8 vht_pfr;
+ bool update_bitrate_mask = true;
if (ath10k_mac_vif_chan(vif, &def))
return -EPERM;
@@ -7351,9 +7408,21 @@ static int ath10k_mac_op_set_bitrate_mask(struct ieee80211_hw *hw,
if (sgi == NL80211_TXRATE_FORCE_LGI)
return -EINVAL;
- if (ath10k_mac_bitrate_mask_has_single_rate(ar, band, mask)) {
+ allow_pfr = test_bit(ATH10K_FW_FEATURE_PEER_FIXED_RATE,
+ ar->normal_mode_fw.fw_file.fw_features);
+ if (allow_pfr) {
+ mutex_lock(&ar->conf_mutex);
+ ieee80211_iterate_stations_atomic(ar->hw,
+ ath10k_mac_clr_bitrate_mask_iter,
+ arvif);
+ mutex_unlock(&ar->conf_mutex);
+ }
+
+ if (ath10k_mac_bitrate_mask_has_single_rate(ar, band, mask,
+ &vht_num_rates)) {
ret = ath10k_mac_bitrate_mask_get_single_rate(ar, band, mask,
- &rate, &nss);
+ &rate, &nss,
+ false);
if (ret) {
ath10k_warn(ar, "failed to get single rate for vdev %i: %d\n",
arvif->vdev_id, ret);
@@ -7369,12 +7438,30 @@ static int ath10k_mac_op_set_bitrate_mask(struct ieee80211_hw *hw,
max(ath10k_mac_max_ht_nss(ht_mcs_mask),
ath10k_mac_max_vht_nss(vht_mcs_mask)));
- if (!ath10k_mac_can_set_bitrate_mask(ar, band, mask))
- return -EINVAL;
+ if (!ath10k_mac_can_set_bitrate_mask(ar, band, mask,
+ allow_pfr)) {
+ u8 vht_nss;
+
+ if (!allow_pfr || vht_num_rates != 1)
+ return -EINVAL;
+
+ /* Reach here, firmware supports peer fixed rate and has
+ * single vht rate, and don't update vif birate_mask, as
+ * the rate only for specific peer.
+ */
+ ath10k_mac_bitrate_mask_get_single_rate(ar, band, mask,
+ &vht_pfr,
+ &vht_nss,
+ true);
+ update_bitrate_mask = false;
+ }
mutex_lock(&ar->conf_mutex);
- arvif->bitrate_mask = *mask;
+ if (update_bitrate_mask)
+ arvif->bitrate_mask = *mask;
+ arvif->vht_num_rates = vht_num_rates;
+ arvif->vht_pfr = vht_pfr;
ieee80211_iterate_stations_atomic(ar->hw,
ath10k_mac_set_bitrate_mask_iter,
arvif);
diff --git a/drivers/net/wireless/ath/ath10k/wmi.h b/drivers/net/wireless/ath/ath10k/wmi.h
index 12f57f9adbba..bd54da64cd02 100644
--- a/drivers/net/wireless/ath/ath10k/wmi.h
+++ b/drivers/net/wireless/ath/ath10k/wmi.h
@@ -6260,6 +6260,7 @@ enum wmi_peer_param {
WMI_PEER_CHAN_WIDTH = 0x4,
WMI_PEER_NSS = 0x5,
WMI_PEER_USE_4ADDR = 0x6,
+ WMI_PEER_PARAM_FIXED_RATE = 0x9,
WMI_PEER_DEBUG = 0xa,
WMI_PEER_PHYMODE = 0xd,
WMI_PEER_DUMMY_VAR = 0xff, /* dummy parameter for STA PS workaround */
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.