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rtw88: add h2c command in debugfs

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It's very useful to send H2C command for debug usage. Add an entry
for sending H2C command to firmware.

usage example:
echo 42,00,00,43,02,00,00,00 > /sys/kernel/debug/ieee80211/phyX/rtw88

Signed-off-by: Tzu-En Huang <tehuang@realtek.com>
Signed-off-by: Yan-Hsuan Chuang <yhchuang@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200717064937.27966-8-yhchuang@realtek.com
This commit is contained in:
Tzu-En Huang 2020-07-17 14:49:37 +08:00 committed by Kalle Valo
parent 752310ed2b
commit c376c1fc87
3 changed files with 37 additions and 0 deletions
drivers/net/wireless/realtek/rtw88
debug.cfw.cfw.h

30
drivers/net/wireless/realtek/rtw88/debug.c
View File

@ -344,6 +344,31 @@ static ssize_t rtw_debugfs_set_write_reg(struct file *filp,
return count;
}
static ssize_t rtw_debugfs_set_h2c(struct file *filp,
const char __user *buffer,
size_t count, loff_t *loff)
{
struct rtw_debugfs_priv *debugfs_priv = filp->private_data;
struct rtw_dev *rtwdev = debugfs_priv->rtwdev;
char tmp[32 + 1];
u8 param[8];
int num;
rtw_debugfs_copy_from_user(tmp, sizeof(tmp), buffer, count, 3);
num = sscanf(tmp, "%hhx,%hhx,%hhx,%hhx,%hhx,%hhx,%hhx,%hhx",
&param[0], &param[1], &param[2], &param[3],
&param[4], &param[5], &param[6], &param[7]);
if (num != 8) {
rtw_info(rtwdev, "invalid H2C command format for debug\n");
return -EINVAL;
}
rtw_fw_h2c_cmd_dbg(rtwdev, param);
return count;
}
static ssize_t rtw_debugfs_set_rf_write(struct file *filp,
const char __user *buffer,
size_t count, loff_t *loff)
@ -808,6 +833,10 @@ static struct rtw_debugfs_priv rtw_debug_priv_write_reg = {
.cb_write = rtw_debugfs_set_write_reg,
};
static struct rtw_debugfs_priv rtw_debug_priv_h2c = {
.cb_write = rtw_debugfs_set_h2c,
};
static struct rtw_debugfs_priv rtw_debug_priv_rf_write = {
.cb_write = rtw_debugfs_set_rf_write,
};
@ -877,6 +906,7 @@ void rtw_debugfs_init(struct rtw_dev *rtwdev)
rtw_debugfs_add_r(phy_info);
rtw_debugfs_add_r(coex_info);
rtw_debugfs_add_rw(coex_enable);
rtw_debugfs_add_w(h2c);
rtw_debugfs_add_r(mac_0);
rtw_debugfs_add_r(mac_1);
rtw_debugfs_add_r(mac_2);

5
drivers/net/wireless/realtek/rtw88/fw.c
View File

@ -253,6 +253,11 @@ out:
spin_unlock(&rtwdev->h2c.lock);
}
void rtw_fw_h2c_cmd_dbg(struct rtw_dev *rtwdev, u8 *h2c)
{
rtw_fw_send_h2c_command(rtwdev, h2c);
}
static void rtw_fw_send_h2c_packet(struct rtw_dev *rtwdev, u8 *h2c_pkt)
{
int ret;

2
drivers/net/wireless/realtek/rtw88/fw.h
View File

@ -563,4 +563,6 @@ void rtw_fw_set_nlo_info(struct rtw_dev *rtwdev, bool enable);
void rtw_fw_update_pkt_probe_req(struct rtw_dev *rtwdev,
struct cfg80211_ssid *ssid);
void rtw_fw_channel_switch(struct rtw_dev *rtwdev, bool enable);
void rtw_fw_h2c_cmd_dbg(struct rtw_dev *rtwdev, u8 *h2c);
#endif