[PATCH v2 3/7] wifi: mt76: mt7921: add unified ROC cmd/event support
sean.wang at mediatek.com
sean.wang at mediatek.com
Tue Oct 11 17:16:17 PDT 2022
From: Quan Zhou <quan.zhou at mediatek.com>
Add unified ROC cmd/event which is only supported by the newer fw.
Co-developed-by: Sean Wang <sean.wang at mediatek.com>
Signed-off-by: Sean Wang <sean.wang at mediatek.com>
Co-developed-by: Deren Wu <deren.wu at mediatek.com>
Signed-off-by: Deren Wu <deren.wu at mediatek.com>
Co-developed-by: Kaikai Hu <kaikai.hu at mediatek.com>
Signed-off-by: Kaikai Hu <kaikai.hu at mediatek.com>
Signed-off-by: Quan Zhou <quan.zhou at mediatek.com>
---
v2: remove unneeded newline and use 'u8 rsv' instead of origin one
---
.../wireless/mediatek/mt76/mt76_connac_mcu.h | 10 +-
.../net/wireless/mediatek/mt76/mt7921/mcu.c | 119 ++++++++++++++++++
.../wireless/mediatek/mt76/mt7921/mt7921.h | 19 +++
3 files changed, 146 insertions(+), 2 deletions(-)
diff --git a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h
index bc1c47daa81a..87c65d252d56 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h
+++ b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h
@@ -121,11 +121,13 @@ struct mt76_connac2_mcu_rxd {
u8 eid;
u8 seq;
- u8 rsv[2];
-
+ u8 option;
+ u8 rsv;
u8 ext_eid;
u8 rsv1[2];
u8 s2d_index;
+
+ u8 tlv[0];
};
struct mt76_connac2_patch_hdr {
@@ -946,6 +948,9 @@ enum {
DEV_INFO_MAX_NUM
};
+#define MCU_UNI_CMD_EVENT BIT(1)
+#define MCU_UNI_CMD_UNSOLICITED_EVENT BIT(2)
+
/* event table */
enum {
MCU_EVENT_TARGET_ADDRESS_LEN = 0x01,
@@ -1152,6 +1157,7 @@ enum {
MCU_UNI_CMD_OFFLOAD = 0x06,
MCU_UNI_CMD_HIF_CTRL = 0x07,
MCU_UNI_CMD_SNIFFER = 0x24,
+ MCU_UNI_CMD_ROC = 0x27,
};
enum {
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c
index 67bf92969a7b..2b36c5f6eb40 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c
@@ -302,6 +302,23 @@ mt7921_mcu_rx_unsolicited_event(struct mt7921_dev *dev, struct sk_buff *skb)
dev_kfree_skb(skb);
}
+static void
+mt7921_mcu_uni_rx_unsolicited_event(struct mt7921_dev *dev,
+ struct sk_buff *skb)
+{
+ struct mt76_connac2_mcu_rxd *rxd;
+
+ rxd = (struct mt76_connac2_mcu_rxd *)skb->data;
+
+ switch (rxd->eid) {
+ case MCU_UNI_EVENT_ROC:
+ break;
+ default:
+ break;
+ }
+ dev_kfree_skb(skb);
+}
+
void mt7921_mcu_rx_event(struct mt7921_dev *dev, struct sk_buff *skb)
{
struct mt76_connac2_mcu_rxd *rxd;
@@ -311,6 +328,11 @@ void mt7921_mcu_rx_event(struct mt7921_dev *dev, struct sk_buff *skb)
rxd = (struct mt76_connac2_mcu_rxd *)skb->data;
+ if (rxd->option & MCU_UNI_CMD_UNSOLICITED_EVENT) {
+ mt7921_mcu_uni_rx_unsolicited_event(dev, skb);
+ return;
+ }
+
if (rxd->eid == 0x6) {
mt76_mcu_rx_event(&dev->mt76, skb);
return;
@@ -636,6 +658,103 @@ int mt7921_mcu_set_tx(struct mt7921_dev *dev, struct ieee80211_vif *vif)
&req_mu, sizeof(req_mu), false);
}
+int mt7921_mcu_set_roc(struct mt7921_phy *phy, struct mt7921_vif *vif,
+ struct ieee80211_channel *chan, int duration,
+ enum mt7921_roc_req type, u8 token_id)
+{
+ int center_ch = ieee80211_frequency_to_channel(chan->center_freq);
+ struct mt7921_dev *dev = phy->dev;
+ struct {
+ struct {
+ u8 rsv[4];
+ } __packed hdr;
+ struct roc_acquire_tlv {
+ __le16 tag;
+ __le16 len;
+ u8 bss_idx;
+ u8 tokenid;
+ u8 control_channel;
+ u8 sco;
+ u8 band;
+ u8 bw;
+ u8 center_chan;
+ u8 center_chan2;
+ u8 bw_from_ap;
+ u8 center_chan_from_ap;
+ u8 center_chan2_from_ap;
+ u8 reqtype;
+ __le32 maxinterval;
+ u8 dbdcband;
+ u8 rsv[3];
+ } __packed roc;
+ } __packed req = {
+ .roc = {
+ .tag = cpu_to_le16(UNI_ROC_ACQUIRE),
+ .len = cpu_to_le16(sizeof(struct roc_acquire_tlv)),
+ .tokenid = token_id,
+ .reqtype = type,
+ .maxinterval = cpu_to_le32(duration),
+ .bss_idx = vif->mt76.idx,
+ .control_channel = chan->hw_value,
+ .bw = CMD_CBW_20MHZ,
+ .bw_from_ap = CMD_CBW_20MHZ,
+ .center_chan = center_ch,
+ .center_chan_from_ap = center_ch,
+ .dbdcband = 0xff, /* auto */
+ },
+ };
+
+ if (chan->hw_value < center_ch)
+ req.roc.sco = 1; /* SCA */
+ else if (chan->hw_value > center_ch)
+ req.roc.sco = 3; /* SCB */
+
+ switch (chan->band) {
+ case NL80211_BAND_6GHZ:
+ req.roc.band = 3;
+ break;
+ case NL80211_BAND_5GHZ:
+ req.roc.band = 2;
+ break;
+ default:
+ req.roc.band = 1;
+ break;
+ }
+
+ return mt76_mcu_send_msg(&dev->mt76, MCU_UNI_CMD(ROC),
+ &req, sizeof(req), false);
+}
+
+int mt7921_mcu_abort_roc(struct mt7921_phy *phy, struct mt7921_vif *vif,
+ u8 token_id)
+{
+ struct mt7921_dev *dev = phy->dev;
+ struct {
+ struct {
+ u8 rsv[4];
+ } __packed hdr;
+ struct roc_abort_tlv {
+ __le16 tag;
+ __le16 len;
+ u8 bss_idx;
+ u8 tokenid;
+ u8 dbdcband;
+ u8 rsv[5];
+ } __packed abort;
+ } __packed req = {
+ .abort = {
+ .tag = cpu_to_le16(UNI_ROC_ABORT),
+ .len = cpu_to_le16(sizeof(struct roc_abort_tlv)),
+ .tokenid = token_id,
+ .bss_idx = vif->mt76.idx,
+ .dbdcband = 0xff, /* auto*/
+ },
+ };
+
+ return mt76_mcu_send_msg(&dev->mt76, MCU_UNI_CMD(ROC),
+ &req, sizeof(req), false);
+}
+
int mt7921_mcu_set_chan_info(struct mt7921_phy *phy, int cmd)
{
struct mt7921_dev *dev = phy->dev;
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h b/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h
index eaba114a9c7e..d9d78f6b088e 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h
@@ -53,6 +53,20 @@
#define MT7921_SDIO_HDR_TX_BYTES GENMASK(15, 0)
#define MT7921_SDIO_HDR_PKT_TYPE GENMASK(17, 16)
+#define MCU_UNI_EVENT_ROC 0x27
+
+enum {
+ UNI_ROC_ACQUIRE,
+ UNI_ROC_ABORT,
+ UNI_ROC_NUM
+};
+
+enum mt7921_roc_req {
+ MT7921_ROC_REQ_JOIN,
+ MT7921_ROC_REQ_ROC,
+ MT7921_ROC_REQ_NUM
+};
+
enum mt7921_sdio_pkt_type {
MT7921_SDIO_TXD,
MT7921_SDIO_DATA,
@@ -508,4 +522,9 @@ int mt7921_set_tx_sar_pwr(struct ieee80211_hw *hw,
int mt7921_mcu_set_clc(struct mt7921_dev *dev, u8 *alpha2,
enum environment_cap env_cap);
+int mt7921_mcu_set_roc(struct mt7921_phy *phy, struct mt7921_vif *vif,
+ struct ieee80211_channel *chan, int duration,
+ enum mt7921_roc_req type, u8 token_id);
+int mt7921_mcu_abort_roc(struct mt7921_phy *phy, struct mt7921_vif *vif,
+ u8 token_id);
#endif
--
2.25.1
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