int i;
for (i = 0; i < ARRAY_SIZE(mvif->bitrate_mask.control); i++) {
+ mvif->bitrate_mask.control[i].gi = NL80211_TXRATE_DEFAULT_GI;
+ mvif->bitrate_mask.control[i].he_gi = GENMASK(7, 0);
+ mvif->bitrate_mask.control[i].he_ltf = GENMASK(7, 0);
mvif->bitrate_mask.control[i].legacy = GENMASK(31, 0);
memset(mvif->bitrate_mask.control[i].ht_mcs, GENMASK(7, 0),
sizeof(mvif->bitrate_mask.control[i].ht_mcs));
{
struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
struct mt7915_dev *dev = msta->vif->phy->dev;
- struct ieee80211_hw *hw = msta->vif->phy->mt76->hw;
u32 *changed = data;
spin_lock_bh(&dev->sta_poll_lock);
if (list_empty(&msta->rc_list))
list_add_tail(&msta->rc_list, &dev->sta_rc_list);
spin_unlock_bh(&dev->sta_poll_lock);
-
- ieee80211_queue_work(hw, &dev->rc_work);
}
static void mt7915_sta_rc_update(struct ieee80211_hw *hw,
struct ieee80211_sta *sta,
u32 changed)
{
+ struct mt7915_phy *phy = mt7915_hw_phy(hw);
+ struct mt7915_dev *dev = phy->dev;
+
mt7915_sta_rc_work(&changed, sta);
+ ieee80211_queue_work(hw, &dev->rc_work);
}
static int
const struct cfg80211_bitrate_mask *mask)
{
struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
- enum nl80211_band band = mvif->phy->mt76->chandef.chan->band;
- u32 changed;
-
- if (mask->control[band].gi == NL80211_TXRATE_FORCE_LGI)
- return -EINVAL;
+ struct mt7915_phy *phy = mt7915_hw_phy(hw);
+ struct mt7915_dev *dev = phy->dev;
+ u32 changed = IEEE80211_RC_SUPP_RATES_CHANGED;
- changed = IEEE80211_RC_SUPP_RATES_CHANGED;
mvif->bitrate_mask = *mask;
- /* Update firmware rate control to add a boundary on top of table
- * to limit the rate selection for each peer, so when set bitrates
- * vht-mcs-5 1:9, which actually means nss = 1 mcs = 0~9. This only
- * applies to data frames as for the other mgmt, mcast, bcast still
- * use legacy rates as it is.
+ /* if multiple rates across different preambles are given we can
+ * reconfigure this info with all peers using sta_rec command with
+ * the below exception cases.
+ * - single rate : if a rate is passed along with different preambles,
+ * we select the highest one as fixed rate. i.e VHT MCS for VHT peers.
+ * - multiple rates: if it's not in range format i.e 0-{7,8,9} for VHT
+ * then multiple MCS setting (MCS 4,5,6) is not supported.
*/
ieee80211_iterate_stations_atomic(hw, mt7915_sta_rc_work, &changed);
+ ieee80211_queue_work(hw, &dev->rc_work);
return 0;
}
bfee->fb_identity_matrix = (nrow == 1 && tx_ant == 2);
}
+int mt7915_mcu_set_fixed_rate_ctrl(struct mt7915_dev *dev,
+ struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta,
+ void *data, u32 field)
+{
+ struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
+ struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
+ struct sta_phy *phy = data;
+ struct sta_rec_ra_fixed *ra;
+ struct sk_buff *skb;
+ struct tlv *tlv;
+ int len = sizeof(struct sta_req_hdr) + sizeof(*ra);
+
+ skb = mt7915_mcu_alloc_sta_req(dev, mvif, msta, len);
+ if (IS_ERR(skb))
+ return PTR_ERR(skb);
+
+ tlv = mt7915_mcu_add_tlv(skb, STA_REC_RA_UPDATE, sizeof(*ra));
+ ra = (struct sta_rec_ra_fixed *)tlv;
+
+ switch (field) {
+ case RATE_PARAM_AUTO:
+ break;
+ case RATE_PARAM_FIXED_MCS:
+ case RATE_PARAM_FIXED_GI:
+ case RATE_PARAM_FIXED_HE_LTF:
+ ra->phy = *phy;
+ break;
+ default:
+ break;
+ }
+ ra->field = cpu_to_le32(field);
+
+ return mt76_mcu_skb_send_msg(&dev->mt76, skb,
+ MCU_EXT_CMD(STA_REC_UPDATE), true);
+}
+
+static int
+mt7915_mcu_add_rate_ctrl_fixed(struct mt7915_dev *dev,
+ struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta)
+{
+ struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
+ struct cfg80211_chan_def *chandef = &mvif->phy->mt76->chandef;
+ struct cfg80211_bitrate_mask *mask = &mvif->bitrate_mask;
+ enum nl80211_band band = chandef->chan->band;
+ struct sta_phy phy = {};
+ int ret, nrates = 0;
+
+#define __sta_phy_bitrate_mask_check(_mcs, _gi, _he) \
+ do { \
+ u8 i, gi = mask->control[band]._gi; \
+ gi = (_he) ? gi : gi == NL80211_TXRATE_FORCE_SGI; \
+ for (i = 0; i <= sta->bandwidth; i++) { \
+ phy.sgi |= gi << (i << (_he)); \
+ phy.he_ltf |= mask->control[band].he_ltf << (i << (_he));\
+ } \
+ for (i = 0; i < ARRAY_SIZE(mask->control[band]._mcs); i++) \
+ nrates += hweight16(mask->control[band]._mcs[i]); \
+ phy.mcs = ffs(mask->control[band]._mcs[0]) - 1; \
+ } while (0)
+
+ if (sta->he_cap.has_he) {
+ __sta_phy_bitrate_mask_check(he_mcs, he_gi, 1);
+ } else if (sta->vht_cap.vht_supported) {
+ __sta_phy_bitrate_mask_check(vht_mcs, gi, 0);
+ } else if (sta->ht_cap.ht_supported) {
+ __sta_phy_bitrate_mask_check(ht_mcs, gi, 0);
+ } else {
+ nrates = hweight32(mask->control[band].legacy);
+ phy.mcs = ffs(mask->control[band].legacy) - 1;
+ }
+#undef __sta_phy_bitrate_mask_check
+
+ /* fall back to auto rate control */
+ if (mask->control[band].gi == NL80211_TXRATE_DEFAULT_GI &&
+ mask->control[band].he_gi == GENMASK(7, 0) &&
+ mask->control[band].he_ltf == GENMASK(7, 0) &&
+ nrates != 1)
+ return 0;
+
+ /* fixed single rate */
+ if (nrates == 1) {
+ ret = mt7915_mcu_set_fixed_rate_ctrl(dev, vif, sta, &phy,
+ RATE_PARAM_FIXED_MCS);
+ if (ret)
+ return ret;
+ }
+
+ /* fixed GI */
+ if (mask->control[band].gi != NL80211_TXRATE_DEFAULT_GI ||
+ mask->control[band].he_gi != GENMASK(7, 0)) {
+ struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
+ u32 addr;
+
+ /* firmware updates only TXCMD but doesn't take WTBL into
+ * account, so driver should update here to reflect the
+ * actual txrate hardware sends out.
+ */
+ addr = mt7915_mac_wtbl_lmac_addr(dev, msta->wcid.idx, 7);
+ if (sta->he_cap.has_he)
+ mt76_rmw_field(dev, addr, GENMASK(31, 24), phy.sgi);
+ else
+ mt76_rmw_field(dev, addr, GENMASK(15, 12), phy.sgi);
+
+ ret = mt7915_mcu_set_fixed_rate_ctrl(dev, vif, sta, &phy,
+ RATE_PARAM_FIXED_GI);
+ if (ret)
+ return ret;
+ }
+
+ /* fixed HE_LTF */
+ if (mask->control[band].he_ltf != GENMASK(7, 0)) {
+ ret = mt7915_mcu_set_fixed_rate_ctrl(dev, vif, sta, &phy,
+ RATE_PARAM_FIXED_HE_LTF);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+}
+
static void
mt7915_mcu_sta_rate_ctrl_tlv(struct sk_buff *skb, struct mt7915_dev *dev,
struct ieee80211_vif *vif, struct ieee80211_sta *sta)
}
if (sta->ht_cap.ht_supported) {
- const u8 *mcs_mask = mask->control[band].ht_mcs;
-
ra->supp_mode |= MODE_HT;
ra->af = sta->ht_cap.ampdu_factor;
ra->ht_gf = !!(sta->ht_cap.cap & IEEE80211_HT_CAP_GRN_FLD);
(sta->ht_cap.cap & IEEE80211_HT_CAP_LDPC_CODING))
cap |= STA_CAP_LDPC;
- mt7915_mcu_set_sta_ht_mcs(sta, ra->ht_mcs, mcs_mask);
+ mt7915_mcu_set_sta_ht_mcs(sta, ra->ht_mcs,
+ mask->control[band].ht_mcs);
ra->supp_ht_mcs = *(__le32 *)ra->ht_mcs;
}
if (sta->vht_cap.vht_supported) {
- const u16 *mcs_mask = mask->control[band].vht_mcs;
u8 af;
ra->supp_mode |= MODE_VHT;
(sta->vht_cap.cap & IEEE80211_VHT_CAP_RXLDPC))
cap |= STA_CAP_VHT_LDPC;
- mt7915_mcu_set_sta_vht_mcs(sta, ra->supp_vht_mcs, mcs_mask);
+ mt7915_mcu_set_sta_vht_mcs(sta, ra->supp_vht_mcs,
+ mask->control[band].vht_mcs);
}
if (sta->he_cap.has_he) {
struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
struct sk_buff *skb;
+ int ret;
skb = mt7915_mcu_alloc_sta_req(dev, mvif, msta,
MT7915_STA_UPDATE_MAX_SIZE);
if (sta->he_cap.has_he && changed)
mt7915_mcu_sta_he_tlv(skb, sta, vif);
+ /* sta_rec_ra accommodates BW, NSS and only MCS range format
+ * i.e 0-{7,8,9} for VHT.
+ */
mt7915_mcu_sta_rate_ctrl_tlv(skb, dev, vif, sta);
- return mt76_mcu_skb_send_msg(&dev->mt76, skb,
- MCU_EXT_CMD(STA_REC_UPDATE), true);
+ ret = mt76_mcu_skb_send_msg(&dev->mt76, skb,
+ MCU_EXT_CMD(STA_REC_UPDATE), true);
+ if (ret)
+ return ret;
+
+ /* sta_rec_ra_fixed accommodates single rate, (HE)GI and HE_LTE,
+ * and updates as peer fixed rate parameters, which overrides
+ * sta_rec_ra and firmware rate control algorithm.
+ */
+ return mt7915_mcu_add_rate_ctrl_fixed(dev, vif, sta);
}
static int
projects / platform / kernel / linux-starfive.git / commitdiff