wifi: rtw89: add counters of register-based H2C/C2H
The register-based H2C/C2H are used to exchange information between driver
and firmware, but only apply to narrow area because its data size is
smaller than regular packet-based H2C/C2H.
This kind of H2C/C2H must be paired. To identify if any H2C/C2H is missing,
update counters to help diagnose this kind of problems.
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20230316063956.71687-1-pkshih@realtek.com
diff --git a/drivers/net/wireless/realtek/rtw89/rtw8852b.c b/drivers/net/wireless/realtek/rtw89/rtw8852b.c
index 7bab6d2..27733a3 100644
--- a/drivers/net/wireless/realtek/rtw89/rtw8852b.c
+++ b/drivers/net/wireless/realtek/rtw89/rtw8852b.c
@@ -2557,8 +2557,10 @@ const struct rtw89_chip_info rtw8852b_chip_info = {
.h2c_desc_size = sizeof(struct rtw89_txwd_body),
.txwd_body_size = sizeof(struct rtw89_txwd_body),
.h2c_ctrl_reg = R_AX_H2CREG_CTRL,
+ .h2c_counter_reg = {R_AX_UDM1 + 1, B_AX_UDM1_HALMAC_H2C_DEQ_CNT_MASK >> 8},
.h2c_regs = rtw8852b_h2c_regs,
.c2h_ctrl_reg = R_AX_C2HREG_CTRL,
+ .c2h_counter_reg = {R_AX_UDM1 + 1, B_AX_UDM1_HALMAC_C2H_ENQ_CNT_MASK >> 8},
.c2h_regs = rtw8852b_c2h_regs,
.page_regs = &rtw8852b_page_regs,
.cfo_src_fd = true,