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path: root/drivers/net/wireless/realtek/rtlwifi/debug.c
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Diffstat (limited to 'drivers/net/wireless/realtek/rtlwifi/debug.c')
-rw-r--r--drivers/net/wireless/realtek/rtlwifi/debug.c483
1 files changed, 481 insertions, 2 deletions
diff --git a/drivers/net/wireless/realtek/rtlwifi/debug.c b/drivers/net/wireless/realtek/rtlwifi/debug.c
index 38fef6dbb44b..d70385be9976 100644
--- a/drivers/net/wireless/realtek/rtlwifi/debug.c
+++ b/drivers/net/wireless/realtek/rtlwifi/debug.c
@@ -23,15 +23,17 @@
*****************************************************************************/
#include "wifi.h"
+#include "cam.h"
#include <linux/moduleparam.h>
+#include <linux/vmalloc.h>
#ifdef CONFIG_RTLWIFI_DEBUG
void _rtl_dbg_trace(struct rtl_priv *rtlpriv, u64 comp, int level,
const char *fmt, ...)
{
if (unlikely((comp & rtlpriv->cfg->mod_params->debug_mask) &&
- (level <= rtlpriv->cfg->mod_params->debug_level))) {
+ level <= rtlpriv->cfg->mod_params->debug_level)) {
struct va_format vaf;
va_list args;
@@ -51,7 +53,7 @@ void _rtl_dbg_print(struct rtl_priv *rtlpriv, u64 comp, int level,
const char *fmt, ...)
{
if (unlikely((comp & rtlpriv->cfg->mod_params->debug_mask) &&
- (level <= rtlpriv->cfg->mod_params->debug_level))) {
+ level <= rtlpriv->cfg->mod_params->debug_level)) {
struct va_format vaf;
va_list args;
@@ -81,4 +83,481 @@ void _rtl_dbg_print_data(struct rtl_priv *rtlpriv, u64 comp, int level,
}
EXPORT_SYMBOL_GPL(_rtl_dbg_print_data);
+struct rtl_debugfs_priv {
+ struct rtl_priv *rtlpriv;
+ int (*cb_read)(struct seq_file *m, void *v);
+ ssize_t (*cb_write)(struct file *filp, const char __user *buffer,
+ size_t count, loff_t *loff);
+ u32 cb_data;
+};
+
+static struct dentry *debugfs_topdir;
+
+static int rtl_debug_get_common(struct seq_file *m, void *v)
+{
+ struct rtl_debugfs_priv *debugfs_priv = m->private;
+
+ return debugfs_priv->cb_read(m, v);
+}
+
+static int dl_debug_open_common(struct inode *inode, struct file *file)
+{
+ return single_open(file, rtl_debug_get_common, inode->i_private);
+}
+
+static const struct file_operations file_ops_common = {
+ .open = dl_debug_open_common,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = seq_release,
+};
+
+static int rtl_debug_get_mac_page(struct seq_file *m, void *v)
+{
+ struct rtl_debugfs_priv *debugfs_priv = m->private;
+ struct rtl_priv *rtlpriv = debugfs_priv->rtlpriv;
+ u32 page = debugfs_priv->cb_data;
+ int i, n;
+ int max = 0xff;
+
+ for (n = 0; n <= max; ) {
+ seq_printf(m, "\n%8.8x ", n + page);
+ for (i = 0; i < 4 && n <= max; i++, n += 4)
+ seq_printf(m, "%8.8x ",
+ rtl_read_dword(rtlpriv, (page | n)));
+ }
+ seq_puts(m, "\n");
+ return 0;
+}
+
+#define RTL_DEBUG_IMPL_MAC_SERIES(page, addr) \
+static struct rtl_debugfs_priv rtl_debug_priv_mac_ ##page = { \
+ .cb_read = rtl_debug_get_mac_page, \
+ .cb_data = addr, \
+}
+
+RTL_DEBUG_IMPL_MAC_SERIES(0, 0x0000);
+RTL_DEBUG_IMPL_MAC_SERIES(1, 0x0100);
+RTL_DEBUG_IMPL_MAC_SERIES(2, 0x0200);
+RTL_DEBUG_IMPL_MAC_SERIES(3, 0x0300);
+RTL_DEBUG_IMPL_MAC_SERIES(4, 0x0400);
+RTL_DEBUG_IMPL_MAC_SERIES(5, 0x0500);
+RTL_DEBUG_IMPL_MAC_SERIES(6, 0x0600);
+RTL_DEBUG_IMPL_MAC_SERIES(7, 0x0700);
+RTL_DEBUG_IMPL_MAC_SERIES(10, 0x1000);
+RTL_DEBUG_IMPL_MAC_SERIES(11, 0x1100);
+RTL_DEBUG_IMPL_MAC_SERIES(12, 0x1200);
+RTL_DEBUG_IMPL_MAC_SERIES(13, 0x1300);
+RTL_DEBUG_IMPL_MAC_SERIES(14, 0x1400);
+RTL_DEBUG_IMPL_MAC_SERIES(15, 0x1500);
+RTL_DEBUG_IMPL_MAC_SERIES(16, 0x1600);
+RTL_DEBUG_IMPL_MAC_SERIES(17, 0x1700);
+
+static int rtl_debug_get_bb_page(struct seq_file *m, void *v)
+{
+ struct rtl_debugfs_priv *debugfs_priv = m->private;
+ struct rtl_priv *rtlpriv = debugfs_priv->rtlpriv;
+ struct ieee80211_hw *hw = rtlpriv->hw;
+ u32 page = debugfs_priv->cb_data;
+ int i, n;
+ int max = 0xff;
+
+ for (n = 0; n <= max; ) {
+ seq_printf(m, "\n%8.8x ", n + page);
+ for (i = 0; i < 4 && n <= max; i++, n += 4)
+ seq_printf(m, "%8.8x ",
+ rtl_get_bbreg(hw, (page | n), 0xffffffff));
+ }
+ seq_puts(m, "\n");
+ return 0;
+}
+
+#define RTL_DEBUG_IMPL_BB_SERIES(page, addr) \
+static struct rtl_debugfs_priv rtl_debug_priv_bb_ ##page = { \
+ .cb_read = rtl_debug_get_bb_page, \
+ .cb_data = addr, \
+}
+
+RTL_DEBUG_IMPL_BB_SERIES(8, 0x0800);
+RTL_DEBUG_IMPL_BB_SERIES(9, 0x0900);
+RTL_DEBUG_IMPL_BB_SERIES(a, 0x0a00);
+RTL_DEBUG_IMPL_BB_SERIES(b, 0x0b00);
+RTL_DEBUG_IMPL_BB_SERIES(c, 0x0c00);
+RTL_DEBUG_IMPL_BB_SERIES(d, 0x0d00);
+RTL_DEBUG_IMPL_BB_SERIES(e, 0x0e00);
+RTL_DEBUG_IMPL_BB_SERIES(f, 0x0f00);
+RTL_DEBUG_IMPL_BB_SERIES(18, 0x1800);
+RTL_DEBUG_IMPL_BB_SERIES(19, 0x1900);
+RTL_DEBUG_IMPL_BB_SERIES(1a, 0x1a00);
+RTL_DEBUG_IMPL_BB_SERIES(1b, 0x1b00);
+RTL_DEBUG_IMPL_BB_SERIES(1c, 0x1c00);
+RTL_DEBUG_IMPL_BB_SERIES(1d, 0x1d00);
+RTL_DEBUG_IMPL_BB_SERIES(1e, 0x1e00);
+RTL_DEBUG_IMPL_BB_SERIES(1f, 0x1f00);
+
+static int rtl_debug_get_reg_rf(struct seq_file *m, void *v)
+{
+ struct rtl_debugfs_priv *debugfs_priv = m->private;
+ struct rtl_priv *rtlpriv = debugfs_priv->rtlpriv;
+ struct ieee80211_hw *hw = rtlpriv->hw;
+ enum radio_path rfpath = debugfs_priv->cb_data;
+ int i, n;
+ int max = 0x40;
+
+ if (IS_HARDWARE_TYPE_8822B(rtlpriv))
+ max = 0xff;
+
+ seq_printf(m, "\nPATH(%d)", rfpath);
+
+ for (n = 0; n <= max; ) {
+ seq_printf(m, "\n%8.8x ", n);
+ for (i = 0; i < 4 && n <= max; n += 1, i++)
+ seq_printf(m, "%8.8x ",
+ rtl_get_rfreg(hw, rfpath, n, 0xffffffff));
+ }
+ seq_puts(m, "\n");
+ return 0;
+}
+
+#define RTL_DEBUG_IMPL_RF_SERIES(page, addr) \
+static struct rtl_debugfs_priv rtl_debug_priv_rf_ ##page = { \
+ .cb_read = rtl_debug_get_reg_rf, \
+ .cb_data = addr, \
+}
+
+RTL_DEBUG_IMPL_RF_SERIES(a, RF90_PATH_A);
+RTL_DEBUG_IMPL_RF_SERIES(b, RF90_PATH_B);
+
+static int rtl_debug_get_cam_register(struct seq_file *m, void *v)
+{
+ struct rtl_debugfs_priv *debugfs_priv = m->private;
+ struct rtl_priv *rtlpriv = debugfs_priv->rtlpriv;
+ int start = debugfs_priv->cb_data;
+ u32 target_cmd = 0;
+ u32 target_val = 0;
+ u8 entry_i = 0;
+ u32 ulstatus;
+ int i = 100, j = 0;
+ int end = (start + 11 > TOTAL_CAM_ENTRY ? TOTAL_CAM_ENTRY : start + 11);
+
+ /* This dump the current register page */
+ seq_printf(m,
+ "\n#################### SECURITY CAM (%d-%d) ##################\n",
+ start, end - 1);
+
+ for (j = start; j < end; j++) {
+ seq_printf(m, "\nD: %2x > ", j);
+ for (entry_i = 0; entry_i < CAM_CONTENT_COUNT; entry_i++) {
+ /* polling bit, and No Write enable, and address */
+ target_cmd = entry_i + CAM_CONTENT_COUNT * j;
+ target_cmd = target_cmd | BIT(31);
+
+ /* Check polling bit is clear */
+ while ((i--) >= 0) {
+ ulstatus =
+ rtl_read_dword(rtlpriv,
+ rtlpriv->cfg->maps[RWCAM]);
+ if (ulstatus & BIT(31))
+ continue;
+ else
+ break;
+ }
+
+ rtl_write_dword(rtlpriv, rtlpriv->cfg->maps[RWCAM],
+ target_cmd);
+ target_val = rtl_read_dword(rtlpriv,
+ rtlpriv->cfg->maps[RCAMO]);
+ seq_printf(m, "%8.8x ", target_val);
+ }
+ }
+ seq_puts(m, "\n");
+ return 0;
+}
+
+#define RTL_DEBUG_IMPL_CAM_SERIES(page, addr) \
+static struct rtl_debugfs_priv rtl_debug_priv_cam_ ##page = { \
+ .cb_read = rtl_debug_get_cam_register, \
+ .cb_data = addr, \
+}
+
+RTL_DEBUG_IMPL_CAM_SERIES(1, 0);
+RTL_DEBUG_IMPL_CAM_SERIES(2, 11);
+RTL_DEBUG_IMPL_CAM_SERIES(3, 22);
+
+static int rtl_debug_get_btcoex(struct seq_file *m, void *v)
+{
+ struct rtl_debugfs_priv *debugfs_priv = m->private;
+ struct rtl_priv *rtlpriv = debugfs_priv->rtlpriv;
+
+ if (rtlpriv->cfg->ops->get_btc_status())
+ rtlpriv->btcoexist.btc_ops->btc_display_bt_coex_info(rtlpriv,
+ m);
+
+ seq_puts(m, "\n");
+
+ return 0;
+}
+
+static struct rtl_debugfs_priv rtl_debug_priv_btcoex = {
+ .cb_read = rtl_debug_get_btcoex,
+ .cb_data = 0,
+};
+
+static ssize_t rtl_debugfs_set_write_reg(struct file *filp,
+ const char __user *buffer,
+ size_t count, loff_t *loff)
+{
+ struct rtl_debugfs_priv *debugfs_priv = filp->private_data;
+ struct rtl_priv *rtlpriv = debugfs_priv->rtlpriv;
+ char tmp[32 + 1];
+ int tmp_len;
+ u32 addr, val, len;
+ int num;
+
+ if (count < 3)
+ return -EFAULT;
+
+ tmp_len = (count > sizeof(tmp) - 1 ? sizeof(tmp) - 1 : count);
+
+ if (!buffer || copy_from_user(tmp, buffer, tmp_len))
+ return count;
+
+ tmp[tmp_len] = '\0';
+
+ /* write BB/MAC register */
+ num = sscanf(tmp, "%x %x %x", &addr, &val, &len);
+
+ if (num != 3)
+ return count;
+
+ switch (len) {
+ case 1:
+ rtl_write_byte(rtlpriv, addr, (u8)val);
+ break;
+ case 2:
+ rtl_write_word(rtlpriv, addr, (u16)val);
+ break;
+ case 4:
+ rtl_write_dword(rtlpriv, addr, val);
+ break;
+ default:
+ /*printk("error write length=%d", len);*/
+ break;
+ }
+
+ return count;
+}
+
+static struct rtl_debugfs_priv rtl_debug_priv_write_reg = {
+ .cb_write = rtl_debugfs_set_write_reg,
+};
+
+static ssize_t rtl_debugfs_set_write_h2c(struct file *filp,
+ const char __user *buffer,
+ size_t count, loff_t *loff)
+{
+ struct rtl_debugfs_priv *debugfs_priv = filp->private_data;
+ struct rtl_priv *rtlpriv = debugfs_priv->rtlpriv;
+ struct ieee80211_hw *hw = rtlpriv->hw;
+ char tmp[32 + 1];
+ int tmp_len;
+ u8 h2c_len, h2c_data_packed[8];
+ int h2c_data[8]; /* idx 0: cmd */
+ int i;
+
+ if (count < 3)
+ return -EFAULT;
+
+ tmp_len = (count > sizeof(tmp) - 1 ? sizeof(tmp) - 1 : count);
+
+ if (!buffer || copy_from_user(tmp, buffer, tmp_len))
+ return count;
+
+ tmp[tmp_len] = '\0';
+
+ h2c_len = sscanf(tmp, "%X %X %X %X %X %X %X %X",
+ &h2c_data[0], &h2c_data[1],
+ &h2c_data[2], &h2c_data[3],
+ &h2c_data[4], &h2c_data[5],
+ &h2c_data[6], &h2c_data[7]);
+
+ if (h2c_len <= 0)
+ return count;
+
+ for (i = 0; i < h2c_len; i++)
+ h2c_data_packed[i] = (u8)h2c_data[i];
+
+ rtlpriv->cfg->ops->fill_h2c_cmd(hw, h2c_data_packed[0],
+ h2c_len - 1,
+ &h2c_data_packed[1]);
+
+ return count;
+}
+
+static struct rtl_debugfs_priv rtl_debug_priv_write_h2c = {
+ .cb_write = rtl_debugfs_set_write_h2c,
+};
+
+static ssize_t rtl_debugfs_set_write_rfreg(struct file *filp,
+ const char __user *buffer,
+ size_t count, loff_t *loff)
+{
+ struct rtl_debugfs_priv *debugfs_priv = filp->private_data;
+ struct rtl_priv *rtlpriv = debugfs_priv->rtlpriv;
+ struct ieee80211_hw *hw = rtlpriv->hw;
+ char tmp[32 + 1];
+ int tmp_len;
+ int num;
+ int path;
+ u32 addr, bitmask, data;
+
+ if (count < 3)
+ return -EFAULT;
+
+ tmp_len = (count > sizeof(tmp) - 1 ? sizeof(tmp) - 1 : count);
+
+ if (!buffer || copy_from_user(tmp, buffer, tmp_len))
+ return count;
+
+ tmp[tmp_len] = '\0';
+
+ num = sscanf(tmp, "%X %X %X %X",
+ &path, &addr, &bitmask, &data);
+
+ if (num != 4) {
+ RT_TRACE(rtlpriv, COMP_ERR, DBG_DMESG,
+ "Format is <path> <addr> <mask> <data>\n");
+ return count;
+ }
+
+ rtl_set_rfreg(hw, path, addr, bitmask, data);
+
+ return count;
+}
+
+static struct rtl_debugfs_priv rtl_debug_priv_write_rfreg = {
+ .cb_write = rtl_debugfs_set_write_rfreg,
+};
+
+static int rtl_debugfs_close(struct inode *inode, struct file *filp)
+{
+ return 0;
+}
+
+static ssize_t rtl_debugfs_common_write(struct file *filp,
+ const char __user *buffer,
+ size_t count, loff_t *loff)
+{
+ struct rtl_debugfs_priv *debugfs_priv = filp->private_data;
+
+ return debugfs_priv->cb_write(filp, buffer, count, loff);
+}
+
+static const struct file_operations file_ops_common_write = {
+ .owner = THIS_MODULE,
+ .write = rtl_debugfs_common_write,
+ .open = simple_open,
+ .release = rtl_debugfs_close,
+};
+
+#define RTL_DEBUGFS_ADD_CORE(name, mode, fopname) \
+ do { \
+ rtl_debug_priv_ ##name.rtlpriv = rtlpriv; \
+ if (!debugfs_create_file(#name, mode, \
+ parent, &rtl_debug_priv_ ##name, \
+ &file_ops_ ##fopname)) \
+ pr_err("Unable to initialize debugfs:%s/%s\n", \
+ rtlpriv->dbg.debugfs_name, \
+ #name); \
+ } while (0)
+
+#define RTL_DEBUGFS_ADD(name) \
+ RTL_DEBUGFS_ADD_CORE(name, S_IFREG | 0444, common)
+#define RTL_DEBUGFS_ADD_W(name) \
+ RTL_DEBUGFS_ADD_CORE(name, S_IFREG | 0222, common_write)
+
+void rtl_debug_add_one(struct ieee80211_hw *hw)
+{
+ struct rtl_priv *rtlpriv = rtl_priv(hw);
+ struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
+ struct dentry *parent;
+
+ snprintf(rtlpriv->dbg.debugfs_name, 18, "%pMF", rtlefuse->dev_addr);
+
+ rtlpriv->dbg.debugfs_dir =
+ debugfs_create_dir(rtlpriv->dbg.debugfs_name, debugfs_topdir);
+ if (!rtlpriv->dbg.debugfs_dir) {
+ pr_err("Unable to init debugfs:/%s/%s\n", rtlpriv->cfg->name,
+ rtlpriv->dbg.debugfs_name);
+ return;
+ }
+
+ parent = rtlpriv->dbg.debugfs_dir;
+
+ RTL_DEBUGFS_ADD(mac_0);
+ RTL_DEBUGFS_ADD(mac_1);
+ RTL_DEBUGFS_ADD(mac_2);
+ RTL_DEBUGFS_ADD(mac_3);
+ RTL_DEBUGFS_ADD(mac_4);
+ RTL_DEBUGFS_ADD(mac_5);
+ RTL_DEBUGFS_ADD(mac_6);
+ RTL_DEBUGFS_ADD(mac_7);
+ RTL_DEBUGFS_ADD(bb_8);
+ RTL_DEBUGFS_ADD(bb_9);
+ RTL_DEBUGFS_ADD(bb_a);
+ RTL_DEBUGFS_ADD(bb_b);
+ RTL_DEBUGFS_ADD(bb_c);
+ RTL_DEBUGFS_ADD(bb_d);
+ RTL_DEBUGFS_ADD(bb_e);
+ RTL_DEBUGFS_ADD(bb_f);
+ RTL_DEBUGFS_ADD(mac_10);
+ RTL_DEBUGFS_ADD(mac_11);
+ RTL_DEBUGFS_ADD(mac_12);
+ RTL_DEBUGFS_ADD(mac_13);
+ RTL_DEBUGFS_ADD(mac_14);
+ RTL_DEBUGFS_ADD(mac_15);
+ RTL_DEBUGFS_ADD(mac_16);
+ RTL_DEBUGFS_ADD(mac_17);
+ RTL_DEBUGFS_ADD(bb_18);
+ RTL_DEBUGFS_ADD(bb_19);
+ RTL_DEBUGFS_ADD(bb_1a);
+ RTL_DEBUGFS_ADD(bb_1b);
+ RTL_DEBUGFS_ADD(bb_1c);
+ RTL_DEBUGFS_ADD(bb_1d);
+ RTL_DEBUGFS_ADD(bb_1e);
+ RTL_DEBUGFS_ADD(bb_1f);
+ RTL_DEBUGFS_ADD(rf_a);
+ RTL_DEBUGFS_ADD(rf_b);
+
+ RTL_DEBUGFS_ADD(cam_1);
+ RTL_DEBUGFS_ADD(cam_2);
+ RTL_DEBUGFS_ADD(cam_3);
+
+ RTL_DEBUGFS_ADD(btcoex);
+
+ RTL_DEBUGFS_ADD_W(write_reg);
+ RTL_DEBUGFS_ADD_W(write_h2c);
+ RTL_DEBUGFS_ADD_W(write_rfreg);
+}
+EXPORT_SYMBOL_GPL(rtl_debug_add_one);
+
+void rtl_debug_remove_one(struct ieee80211_hw *hw)
+{
+ struct rtl_priv *rtlpriv = rtl_priv(hw);
+
+ debugfs_remove_recursive(rtlpriv->dbg.debugfs_dir);
+ rtlpriv->dbg.debugfs_dir = NULL;
+}
+EXPORT_SYMBOL_GPL(rtl_debug_remove_one);
+
+void rtl_debugfs_add_topdir(void)
+{
+ debugfs_topdir = debugfs_create_dir("rtlwifi", NULL);
+}
+
+void rtl_debugfs_remove_topdir(void)
+{
+ debugfs_remove_recursive(debugfs_topdir);
+}
+
#endif
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.