From: Felix Fietkau <n...@nbd.name>

[ Upstream commit cee236e1489ecca9d23d6ce6f60d126cc651a5ba ]

Multiple MCU messages were using u16/u32 fields without endian annotations
or conversions

Fixes: e57b7901469f ("mt76: add mac80211 driver for MT7915 PCIe-based chipsets")
Fixes: 5517f78b0063 ("mt76: mt7915: enable firmware module debug support")
Signed-off-by: Felix Fietkau <n...@nbd.name>
Signed-off-by: Sasha Levin <sas...@kernel.org>
---
 .../net/wireless/mediatek/mt76/mt7915/mcu.c   | 87 +++++++++++++++----
 1 file changed, 68 insertions(+), 19 deletions(-)

diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c 
b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
index a3ccc17856615..ea71409751519 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
@@ -2835,7 +2835,7 @@ int mt7915_mcu_fw_dbg_ctrl(struct mt7915_dev *dev, u32 
module, u8 level)
        struct {
                u8 ver;
                u8 pad;
-               u16 len;
+               __le16 len;
                u8 level;
                u8 rsv[3];
                __le32 module_idx;
@@ -3070,12 +3070,12 @@ int mt7915_mcu_rdd_cmd(struct mt7915_dev *dev,
 int mt7915_mcu_set_fcc5_lpn(struct mt7915_dev *dev, int val)
 {
        struct {
-               u32 tag;
-               u16 min_lpn;
+               __le32 tag;
+               __le16 min_lpn;
                u8 rsv[2];
        } __packed req = {
-               .tag = 0x1,
-               .min_lpn = val,
+               .tag = cpu_to_le32(0x1),
+               .min_lpn = cpu_to_le16(val),
        };
 
        return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_SET_RDD_TH,
@@ -3086,14 +3086,29 @@ int mt7915_mcu_set_pulse_th(struct mt7915_dev *dev,
                            const struct mt7915_dfs_pulse *pulse)
 {
        struct {
-               u32 tag;
-               struct mt7915_dfs_pulse pulse;
+               __le32 tag;
+
+               __le32 max_width;               /* us */
+               __le32 max_pwr;                 /* dbm */
+               __le32 min_pwr;                 /* dbm */
+               __le32 min_stgr_pri;            /* us */
+               __le32 max_stgr_pri;            /* us */
+               __le32 min_cr_pri;              /* us */
+               __le32 max_cr_pri;              /* us */
        } __packed req = {
-               .tag = 0x3,
+               .tag = cpu_to_le32(0x3),
+
+#define __req_field(field) .field = cpu_to_le32(pulse->field)
+               __req_field(max_width),
+               __req_field(max_pwr),
+               __req_field(min_pwr),
+               __req_field(min_stgr_pri),
+               __req_field(max_stgr_pri),
+               __req_field(min_cr_pri),
+               __req_field(max_cr_pri),
+#undef __req_field
        };
 
-       memcpy(&req.pulse, pulse, sizeof(*pulse));
-
        return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_SET_RDD_TH,
                                   &req, sizeof(req), true);
 }
@@ -3102,16 +3117,50 @@ int mt7915_mcu_set_radar_th(struct mt7915_dev *dev, int 
index,
                            const struct mt7915_dfs_pattern *pattern)
 {
        struct {
-               u32 tag;
-               u16 radar_type;
-               struct mt7915_dfs_pattern pattern;
+               __le32 tag;
+               __le16 radar_type;
+
+               u8 enb;
+               u8 stgr;
+               u8 min_crpn;
+               u8 max_crpn;
+               u8 min_crpr;
+               u8 min_pw;
+               u32 min_pri;
+               u32 max_pri;
+               u8 max_pw;
+               u8 min_crbn;
+               u8 max_crbn;
+               u8 min_stgpn;
+               u8 max_stgpn;
+               u8 min_stgpr;
+               u8 rsv[2];
+               u32 min_stgpr_diff;
        } __packed req = {
-               .tag = 0x2,
-               .radar_type = index,
+               .tag = cpu_to_le32(0x2),
+               .radar_type = cpu_to_le16(index),
+
+#define __req_field_u8(field) .field = pattern->field
+#define __req_field_u32(field) .field = cpu_to_le32(pattern->field)
+               __req_field_u8(enb),
+               __req_field_u8(stgr),
+               __req_field_u8(min_crpn),
+               __req_field_u8(max_crpn),
+               __req_field_u8(min_crpr),
+               __req_field_u8(min_pw),
+               __req_field_u32(min_pri),
+               __req_field_u32(max_pri),
+               __req_field_u8(max_pw),
+               __req_field_u8(min_crbn),
+               __req_field_u8(max_crbn),
+               __req_field_u8(min_stgpn),
+               __req_field_u8(max_stgpn),
+               __req_field_u8(min_stgpr),
+               __req_field_u32(min_stgpr_diff),
+#undef __req_field_u8
+#undef __req_field_u32
        };
 
-       memcpy(&req.pattern, pattern, sizeof(*pattern));
-
        return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_SET_RDD_TH,
                                   &req, sizeof(req), true);
 }
@@ -3342,12 +3391,12 @@ int mt7915_mcu_add_obss_spr(struct mt7915_dev *dev, 
struct ieee80211_vif *vif,
                u8 drop_tx_idx;
                u8 sta_idx;     /* 256 sta */
                u8 rsv[2];
-               u32 val;
+               __le32 val;
        } __packed req = {
                .action = MT_SPR_ENABLE,
                .arg_num = 1,
                .band_idx = mvif->band_idx,
-               .val = enable,
+               .val = cpu_to_le32(enable),
        };
 
        return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_SET_SPR,
-- 
2.27.0



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