For AP and Client mode, the hardware can pass received packets as 802.3 frames
that can be passed to the network stack as-is.
Signed-off-by: Felix Fietkau <nbd@xxxxxxxx>
---
drivers/net/wireless/mediatek/mt76/mt76.h | 1 +
.../net/wireless/mediatek/mt76/mt7915/init.c | 1 +
.../net/wireless/mediatek/mt76/mt7915/mac.c | 44 +++++++++++++++----
.../net/wireless/mediatek/mt76/mt7915/mac.h | 11 +++++
.../net/wireless/mediatek/mt76/mt7915/main.c | 21 ++++++++-
.../net/wireless/mediatek/mt76/mt7915/mcu.c | 25 +++++++++++
6 files changed, 92 insertions(+), 11 deletions(-)
diff --git a/drivers/net/wireless/mediatek/mt76/mt76.h b/drivers/net/wireless/mediatek/mt76/mt76.h
index 3911d333bb41..d0193cf2f1ce 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76.h
+++ b/drivers/net/wireless/mediatek/mt76/mt76.h
@@ -197,6 +197,7 @@ enum mt76_wcid_flags {
MT_WCID_FLAG_CHECK_PS,
MT_WCID_FLAG_PS,
MT_WCID_FLAG_4ADDR,
+ MT_WCID_FLAG_HDR_TRANS,
};
#define MT76_N_WCIDS 288
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/init.c b/drivers/net/wireless/mediatek/mt76/mt7915/init.c
index 34a4fee24c48..c599b44a728c 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/init.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/init.c
@@ -109,6 +109,7 @@ mt7915_init_wiphy(struct ieee80211_hw *hw)
ieee80211_hw_set(hw, HAS_RATE_CONTROL);
ieee80211_hw_set(hw, SUPPORTS_TX_ENCAP_OFFLOAD);
+ ieee80211_hw_set(hw, SUPPORTS_RX_DECAP_OFFLOAD);
ieee80211_hw_set(hw, WANT_MONITOR_VIF);
hw->max_tx_fragments = 4;
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mac.c b/drivers/net/wireless/mediatek/mt76/mt7915/mac.c
index 22d4f16cf830..71ccefcdc89c 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mac.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mac.c
@@ -325,6 +325,10 @@ int mt7915_mac_fill_rx(struct mt7915_dev *dev, struct sk_buff *skb)
u32 csum_mask = MT_RXD0_NORMAL_IP_SUM | MT_RXD0_NORMAL_UDP_TCP_SUM;
bool unicast, insert_ccmp_hdr = false;
u8 remove_pad, amsdu_info;
+ bool hdr_trans;
+ u16 seq_ctrl = 0;
+ u8 qos_ctl = 0;
+ __le16 fc = 0;
int i, idx;
memset(status, 0, sizeof(*status));
@@ -346,6 +350,7 @@ int mt7915_mac_fill_rx(struct mt7915_dev *dev, struct sk_buff *skb)
unicast = FIELD_GET(MT_RXD3_NORMAL_ADDR_TYPE, rxd3) == MT_RXD3_NORMAL_U2M;
idx = FIELD_GET(MT_RXD1_NORMAL_WLAN_IDX, rxd1);
+ hdr_trans = rxd2 & MT_RXD2_NORMAL_HDR_TRANS;
status->wcid = mt7915_rx_get_wcid(dev, idx, unicast);
if (status->wcid) {
@@ -404,6 +409,13 @@ int mt7915_mac_fill_rx(struct mt7915_dev *dev, struct sk_buff *skb)
rxd += 6;
if (rxd1 & MT_RXD1_NORMAL_GROUP_4) {
+ u32 v0 = le32_to_cpu(rxd[0]);
+ u32 v2 = le32_to_cpu(rxd[2]);
+
+ fc = cpu_to_le16(FIELD_GET(MT_RXD6_FRAME_CONTROL, v0));
+ qos_ctl = FIELD_GET(MT_RXD8_QOS_CTL, v2);
+ seq_ctrl = FIELD_GET(MT_RXD8_SEQ_CTRL, v2);
+
rxd += 4;
if ((u8 *)rxd - skb->data >= skb->len)
return -EINVAL;
@@ -555,28 +567,42 @@ int mt7915_mac_fill_rx(struct mt7915_dev *dev, struct sk_buff *skb)
if (status->amsdu) {
status->first_amsdu = amsdu_info == MT_RXD4_FIRST_AMSDU_FRAME;
status->last_amsdu = amsdu_info == MT_RXD4_LAST_AMSDU_FRAME;
- memmove(skb->data + 2, skb->data,
- ieee80211_get_hdrlen_from_skb(skb));
- skb_pull(skb, 2);
+ if (!hdr_trans) {
+ memmove(skb->data + 2, skb->data,
+ ieee80211_get_hdrlen_from_skb(skb));
+ skb_pull(skb, 2);
+ }
}
- if (insert_ccmp_hdr) {
+ if (insert_ccmp_hdr && !hdr_trans) {
u8 key_id = FIELD_GET(MT_RXD1_NORMAL_KEY_ID, rxd1);
mt76_insert_ccmp_hdr(skb, key_id);
}
+ if (!hdr_trans) {
+ hdr = mt76_skb_get_hdr(skb);
+ fc = hdr->frame_control;
+ if (ieee80211_is_data_qos(fc)) {
+ seq_ctrl = le16_to_cpu(hdr->seq_ctrl);
+ qos_ctl = *ieee80211_get_qos_ctl(hdr);
+ }
+ } else {
+ status->flag &= ~(RX_FLAG_RADIOTAP_HE |
+ RX_FLAG_RADIOTAP_HE_MU);
+ status->flag |= RX_FLAG_8023;
+ }
+
if (rxv && status->flag & RX_FLAG_RADIOTAP_HE)
mt7915_mac_decode_he_radiotap(skb, status, rxv, mode);
- hdr = mt76_skb_get_hdr(skb);
- if (!status->wcid || !ieee80211_is_data_qos(hdr->frame_control))
+ if (!status->wcid || !ieee80211_is_data_qos(fc))
return 0;
status->aggr = unicast &&
- !ieee80211_is_qos_nullfunc(hdr->frame_control);
- status->qos_ctl = *ieee80211_get_qos_ctl(hdr);
- status->seqno = IEEE80211_SEQ_TO_SN(le16_to_cpu(hdr->seq_ctrl));
+ !ieee80211_is_qos_nullfunc(fc);
+ status->qos_ctl = qos_ctl;
+ status->seqno = IEEE80211_SEQ_TO_SN(seq_ctrl);
return 0;
}
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mac.h b/drivers/net/wireless/mediatek/mt76/mt7915/mac.h
index 6ad8af835fd4..0f929fb53027 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mac.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mac.h
@@ -101,6 +101,17 @@ enum rx_pkt_type {
#define MT_RXV_HDR_BAND_IDX BIT(24)
+/* RXD GROUP4 */
+#define MT_RXD6_FRAME_CONTROL GENMASK(15, 0)
+#define MT_RXD6_TA_LO GENMASK(31, 16)
+
+#define MT_RXD7_TA_HI GENMASK(31, 0)
+
+#define MT_RXD8_SEQ_CTRL GENMASK(15, 0)
+#define MT_RXD8_QOS_CTL GENMASK(31, 16)
+
+#define MT_RXD9_HT_CONTROL GENMASK(31, 0)
+
/* P-RXV */
#define MT_PRXV_TX_RATE GENMASK(6, 0)
#define MT_PRXV_TX_DCM BIT(4)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/main.c b/drivers/net/wireless/mediatek/mt76/mt7915/main.c
index d4969b2e1ffb..2406733f542d 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/main.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/main.c
@@ -34,14 +34,14 @@ static int mt7915_start(struct ieee80211_hw *hw)
if (!running) {
mt7915_mcu_set_pm(dev, 0, 0);
- mt7915_mcu_set_mac(dev, 0, true, false);
+ mt7915_mcu_set_mac(dev, 0, true, true);
mt7915_mcu_set_scs(dev, 0, true);
mt7915_mac_enable_nf(dev, 0);
}
if (phy != &dev->phy) {
mt7915_mcu_set_pm(dev, 1, 0);
- mt7915_mcu_set_mac(dev, 1, true, false);
+ mt7915_mcu_set_mac(dev, 1, true, true);
mt7915_mcu_set_scs(dev, 1, true);
mt7915_mac_enable_nf(dev, 1);
}
@@ -888,6 +888,22 @@ static void mt7915_sta_set_4addr(struct ieee80211_hw *hw,
mt7915_mcu_sta_update_hdr_trans(dev, vif, sta);
}
+static void mt7915_sta_set_decap_offload(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta,
+ bool enabled)
+{
+ struct mt7915_dev *dev = mt7915_hw_dev(hw);
+ struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
+
+ if (enabled)
+ set_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags);
+ else
+ clear_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags);
+
+ mt7915_mcu_sta_update_hdr_trans(dev, vif, sta);
+}
+
const struct ieee80211_ops mt7915_ops = {
.tx = mt7915_tx,
.start = mt7915_start,
@@ -920,6 +936,7 @@ const struct ieee80211_ops mt7915_ops = {
.set_coverage_class = mt7915_set_coverage_class,
.sta_statistics = mt7915_sta_statistics,
.sta_set_4addr = mt7915_sta_set_4addr,
+ .sta_set_decap_offload = mt7915_sta_set_decap_offload,
CFG80211_TESTMODE_CMD(mt76_testmode_cmd)
CFG80211_TESTMODE_DUMP(mt76_testmode_dump)
#ifdef CONFIG_MAC80211_DEBUGFS
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
index 195929242b72..6a8a1aa50756 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
@@ -1685,6 +1685,7 @@ mt7915_mcu_wtbl_hdr_trans_tlv(struct sk_buff *skb, struct ieee80211_vif *vif,
return;
msta = (struct mt7915_sta *)sta->drv_priv;
+ htr->no_rx_trans = !test_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags);
if (test_bit(MT_WCID_FLAG_4ADDR, &msta->wcid.flags)) {
htr->to_ds = true;
htr->from_ds = true;
@@ -2869,6 +2870,27 @@ void mt7915_mcu_exit(struct mt7915_dev *dev)
skb_queue_purge(&dev->mt76.mcu.res_q);
}
+static int
+mt7915_mcu_set_rx_hdr_trans_blacklist(struct mt7915_dev *dev, int band)
+{
+ struct {
+ u8 operation;
+ u8 count;
+ u8 _rsv[2];
+ u8 index;
+ u8 enable;
+ __le16 etype;
+ } req = {
+ .operation = 1,
+ .count = 1,
+ .enable = 1,
+ .etype = cpu_to_le16(ETH_P_PAE),
+ };
+
+ return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD(RX_HDR_TRANS),
+ &req, sizeof(req), false);
+}
+
int mt7915_mcu_set_mac(struct mt7915_dev *dev, int band,
bool enable, bool hdr_trans)
{
@@ -2899,6 +2921,9 @@ int mt7915_mcu_set_mac(struct mt7915_dev *dev, int band,
if (ret)
return ret;
+ if (hdr_trans)
+ mt7915_mcu_set_rx_hdr_trans_blacklist(dev, band);
+
return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD(MAC_INIT_CTRL),
&req_mac, sizeof(req_mac), true);
}
--
2.28.0
