2024-02-29 07:47:48

by Ping-Ke Shih

[permalink] [raw]
Subject: [PATCH 6/8] wifi: rtw89: coex: add return value to ensure H2C command is success or not

From: Ching-Te Ku <[email protected]>

Add return value to H2C function, and only record down the value while
H2C command success, this can help us to check the real time status.

Signed-off-by: Ching-Te Ku <[email protected]>
Signed-off-by: Ping-Ke Shih <[email protected]>
---
drivers/net/wireless/realtek/rtw89/coex.c | 52 ++++++++++++++---------
drivers/net/wireless/realtek/rtw89/coex.h | 2 +
2 files changed, 34 insertions(+), 20 deletions(-)

diff --git a/drivers/net/wireless/realtek/rtw89/coex.c b/drivers/net/wireless/realtek/rtw89/coex.c
index c270d0c26c00..c74b1b6be2d3 100644
--- a/drivers/net/wireless/realtek/rtw89/coex.c
+++ b/drivers/net/wireless/realtek/rtw89/coex.c
@@ -683,20 +683,25 @@ static void _run_coex(struct rtw89_dev *rtwdev,
static void _write_scbd(struct rtw89_dev *rtwdev, u32 val, bool state);
static void _update_bt_scbd(struct rtw89_dev *rtwdev, bool only_update);

-static void _send_fw_cmd(struct rtw89_dev *rtwdev, u8 h2c_class, u8 h2c_func,
- void *param, u16 len)
+static int _send_fw_cmd(struct rtw89_dev *rtwdev, u8 h2c_class, u8 h2c_func,
+ void *param, u16 len)
{
struct rtw89_btc *btc = &rtwdev->btc;
struct rtw89_btc_btf_fwinfo *pfwinfo = &btc->fwinfo;
struct rtw89_btc_cx *cx = &btc->cx;
struct rtw89_btc_wl_info *wl = &cx->wl;
+ struct rtw89_btc_dm *dm = &btc->dm;
int ret;

- if (!wl->status.map.init_ok) {
+ if (len > BTC_H2C_MAXLEN || len == 0) {
+ btc->fwinfo.cnt_h2c_fail++;
+ dm->error.map.h2c_buffer_over = true;
+ return -EINVAL;
+ } else if (!wl->status.map.init_ok) {
rtw89_debug(rtwdev, RTW89_DBG_BTC,
"[BTC], %s(): return by btc not init!!\n", __func__);
pfwinfo->cnt_h2c_fail++;
- return;
+ return -EINVAL;
} else if ((wl->status.map.rf_off_pre == BTC_LPS_RF_OFF &&
wl->status.map.rf_off == BTC_LPS_RF_OFF) ||
(wl->status.map.lps_pre == BTC_LPS_RF_OFF &&
@@ -704,15 +709,17 @@ static void _send_fw_cmd(struct rtw89_dev *rtwdev, u8 h2c_class, u8 h2c_func,
rtw89_debug(rtwdev, RTW89_DBG_BTC,
"[BTC], %s(): return by wl off!!\n", __func__);
pfwinfo->cnt_h2c_fail++;
- return;
+ return -EINVAL;
}

- pfwinfo->cnt_h2c++;
-
ret = rtw89_fw_h2c_raw_with_hdr(rtwdev, h2c_class, h2c_func, param, len,
false, true);
- if (ret != 0)
+ if (ret)
pfwinfo->cnt_h2c_fail++;
+ else
+ pfwinfo->cnt_h2c++;
+
+ return ret;
}

static void _reset_btc_var(struct rtw89_dev *rtwdev, u8 type)
@@ -1938,6 +1945,7 @@ static void rtw89_btc_fw_en_rpt(struct rtw89_dev *rtwdev,
struct rtw89_btc_btf_fwinfo *fwinfo = &btc->fwinfo;
struct rtw89_btc_btf_set_report r = {0};
u32 val, bit_map;
+ int ret;

if ((wl_smap->rf_off || wl_smap->lps != BTC_LPS_OFF) && rpt_state != 0)
return;
@@ -1956,13 +1964,13 @@ static void rtw89_btc_fw_en_rpt(struct rtw89_dev *rtwdev,
if (val == fwinfo->rpt_en_map)
return;

- fwinfo->rpt_en_map = val;
-
r.fver = BTF_SET_REPORT_VER;
r.enable = cpu_to_le32(val);
r.para = cpu_to_le32(rpt_state);

- _send_fw_cmd(rtwdev, BTFC_SET, SET_REPORT_EN, &r, sizeof(r));
+ ret = _send_fw_cmd(rtwdev, BTFC_SET, SET_REPORT_EN, &r, sizeof(r));
+ if (!ret)
+ fwinfo->rpt_en_map = val;
}

static void rtw89_btc_fw_set_slots(struct rtw89_dev *rtwdev, u8 num,
@@ -2050,6 +2058,7 @@ static void _fw_set_policy(struct rtw89_dev *rtwdev, u16 policy_type,
{
struct rtw89_btc *btc = &rtwdev->btc;
struct rtw89_btc_dm *dm = &btc->dm;
+ int ret;

dm->run_action = action;

@@ -2078,11 +2087,12 @@ static void _fw_set_policy(struct rtw89_dev *rtwdev, u16 policy_type,
if (btc->lps == 1)
rtw89_set_coex_ctrl_lps(rtwdev, btc->lps);

- _send_fw_cmd(rtwdev, BTFC_SET, SET_CX_POLICY,
- btc->policy, btc->policy_len);
-
- memcpy(&dm->tdma_now, &dm->tdma, sizeof(dm->tdma_now));
- memcpy(&dm->slot_now, &dm->slot, sizeof(dm->slot_now));
+ ret = _send_fw_cmd(rtwdev, BTFC_SET, SET_CX_POLICY,
+ btc->policy, btc->policy_len);
+ if (!ret) {
+ memcpy(&dm->tdma_now, &dm->tdma, sizeof(dm->tdma_now));
+ memcpy(&dm->slot_now, &dm->slot, sizeof(dm->slot_now));
+ }

if (btc->update_policy_force)
btc->update_policy_force = false;
@@ -2298,20 +2308,22 @@ static void _set_bt_tx_power(struct rtw89_dev *rtwdev, u8 level)
{
struct rtw89_btc *btc = &rtwdev->btc;
struct rtw89_btc_bt_info *bt = &btc->cx.bt;
+ int ret;
u8 buf;

if (bt->rf_para.tx_pwr_freerun == level)
return;

- bt->rf_para.tx_pwr_freerun = level;
- btc->dm.rf_trx_para.bt_tx_power = level;
-
rtw89_debug(rtwdev, RTW89_DBG_BTC,
"[BTC], %s(): level = %d\n",
__func__, level);

buf = (s8)(-level);
- _send_fw_cmd(rtwdev, BTFC_SET, SET_BT_TX_PWR, &buf, 1);
+ ret = _send_fw_cmd(rtwdev, BTFC_SET, SET_BT_TX_PWR, &buf, 1);
+ if (!ret) {
+ bt->rf_para.tx_pwr_freerun = level;
+ btc->dm.rf_trx_para.bt_tx_power = level;
+ }
}

#define BTC_BT_RX_NORMAL_LVL 7
diff --git a/drivers/net/wireless/realtek/rtw89/coex.h b/drivers/net/wireless/realtek/rtw89/coex.h
index dd9707b4a6d4..13303830684e 100644
--- a/drivers/net/wireless/realtek/rtw89/coex.h
+++ b/drivers/net/wireless/realtek/rtw89/coex.h
@@ -7,6 +7,8 @@

#include "core.h"

+#define BTC_H2C_MAXLEN 2020
+
enum btc_mode {
BTC_MODE_NORMAL,
BTC_MODE_WL,
--
2.25.1