diff options
| author | Tzu-En Huang <tehuang@realtek.com> | 2020-07-17 14:49:37 +0800 |
|---|---|---|
| committer | Kalle Valo <kvalo@codeaurora.org> | 2020-08-02 18:05:19 +0300 |
| commit | c376c1fc87b77ae06ed6fa18d424ab548ac3a8fc (patch) | |
| tree | 8f8069daeb108a3685abe8e4162fa1cfffff49df /drivers/net/wireless | |
| parent | 752310ed2b406831d71aeaf493b488f90c673a3c (diff) | |
rtw88: add h2c command in debugfs
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
Diffstat (limited to 'drivers/net/wireless')
| -rw-r--r-- | drivers/net/wireless/realtek/rtw88/debug.c | 30 | ||||
| -rw-r--r-- | drivers/net/wireless/realtek/rtw88/fw.c | 5 | ||||
| -rw-r--r-- | drivers/net/wireless/realtek/rtw88/fw.h | 2 |
3 files changed, 37 insertions, 0 deletions
diff --git a/drivers/net/wireless/realtek/rtw88/debug.c b/drivers/net/wireless/realtek/rtw88/debug.c index 09f04feb8fe1..f769c982cc91 100644 --- a/drivers/net/wireless/realtek/rtw88/debug.c +++ b/drivers/net/wireless/realtek/rtw88/debug.c @@ -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", + ¶m[0], ¶m[1], ¶m[2], ¶m[3], + ¶m[4], ¶m[5], ¶m[6], ¶m[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); diff --git a/drivers/net/wireless/realtek/rtw88/fw.c b/drivers/net/wireless/realtek/rtw88/fw.c index c922b4bb8d72..63b00bc19000 100644 --- a/drivers/net/wireless/realtek/rtw88/fw.c +++ b/drivers/net/wireless/realtek/rtw88/fw.c @@ -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; diff --git a/drivers/net/wireless/realtek/rtw88/fw.h b/drivers/net/wireless/realtek/rtw88/fw.h index 470e1809645a..686dcd3bbda6 100644 --- a/drivers/net/wireless/realtek/rtw88/fw.h +++ b/drivers/net/wireless/realtek/rtw88/fw.h @@ -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 |