diff options
Diffstat (limited to 'sys/contrib/dev/rtw89/debug.c')
| -rw-r--r-- | sys/contrib/dev/rtw89/debug.c | 2232 |
1 files changed, 1302 insertions, 930 deletions
diff --git a/sys/contrib/dev/rtw89/debug.c b/sys/contrib/dev/rtw89/debug.c index f7e451b0a032..d6624c2ed379 100644 --- a/sys/contrib/dev/rtw89/debug.c +++ b/sys/contrib/dev/rtw89/debug.c @@ -17,6 +17,7 @@ #include "ps.h" #include "reg.h" #include "sar.h" +#include "util.h" #if defined(__FreeBSD__) #ifdef CONFIG_RTW89_DEBUGFS #include <linux/debugfs.h> @@ -31,11 +32,21 @@ MODULE_PARM_DESC(debug_mask, "Debugging mask"); #endif #ifdef CONFIG_RTW89_DEBUGFS +struct rtw89_debugfs_priv_opt { + bool rlock:1; + bool wlock:1; + size_t rsize; +}; + struct rtw89_debugfs_priv { struct rtw89_dev *rtwdev; - 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); + ssize_t (*cb_read)(struct rtw89_dev *rtwdev, + struct rtw89_debugfs_priv *debugfs_priv, + char *buf, size_t bufsz); + ssize_t (*cb_write)(struct rtw89_dev *rtwdev, + struct rtw89_debugfs_priv *debugfs_priv, + const char *buf, size_t count); + struct rtw89_debugfs_priv_opt opt; union { u32 cb_data; struct { @@ -60,6 +71,8 @@ struct rtw89_debugfs_priv { u8 sel; } mac_mem; }; + ssize_t rused; + char *rbuf; }; struct rtw89_debugfs { @@ -81,8 +94,31 @@ struct rtw89_debugfs { struct rtw89_debugfs_priv phy_info; struct rtw89_debugfs_priv stations; struct rtw89_debugfs_priv disable_dm; + struct rtw89_debugfs_priv mlo_mode; +}; + +struct rtw89_debugfs_iter_data { + char *buf; + size_t bufsz; + int written_sz; }; +static void rtw89_debugfs_iter_data_setup(struct rtw89_debugfs_iter_data *iter_data, + char *buf, size_t bufsz) +{ + iter_data->buf = buf; + iter_data->bufsz = bufsz; + iter_data->written_sz = 0; +} + +static void rtw89_debugfs_iter_data_next(struct rtw89_debugfs_iter_data *iter_data, + char *buf, size_t bufsz, int written_sz) +{ + iter_data->buf = buf; + iter_data->bufsz = bufsz; + iter_data->written_sz += written_sz; +} + static const u16 rtw89_rate_info_bw_to_mhz_map[] = { [RATE_INFO_BW_20] = 20, [RATE_INFO_BW_40] = 40, @@ -99,84 +135,122 @@ static u16 rtw89_rate_info_bw_to_mhz(enum rate_info_bw bw) return 0; } -static int rtw89_debugfs_single_show(struct seq_file *m, void *v) +static ssize_t rtw89_debugfs_file_read_helper(struct wiphy *wiphy, struct file *file, + char *buf, size_t bufsz, void *data) { - struct rtw89_debugfs_priv *debugfs_priv = m->private; + struct rtw89_debugfs_priv *debugfs_priv = data; + struct rtw89_dev *rtwdev = debugfs_priv->rtwdev; + ssize_t n; - return debugfs_priv->cb_read(m, v); + n = debugfs_priv->cb_read(rtwdev, debugfs_priv, buf, bufsz); + rtw89_might_trailing_ellipsis(buf, bufsz, n); + + return n; } -static ssize_t rtw89_debugfs_single_write(struct file *filp, - const char __user *buffer, - size_t count, loff_t *loff) +static ssize_t rtw89_debugfs_file_read(struct file *file, char __user *userbuf, + size_t count, loff_t *ppos) { - struct rtw89_debugfs_priv *debugfs_priv = filp->private_data; + struct rtw89_debugfs_priv *debugfs_priv = file->private_data; + struct rtw89_debugfs_priv_opt *opt = &debugfs_priv->opt; + struct rtw89_dev *rtwdev = debugfs_priv->rtwdev; + size_t bufsz = opt->rsize ? opt->rsize : PAGE_SIZE; + char *buf; + ssize_t n; - return debugfs_priv->cb_write(filp, buffer, count, loff); -} + if (!debugfs_priv->rbuf) + debugfs_priv->rbuf = devm_kzalloc(rtwdev->dev, bufsz, GFP_KERNEL); -static ssize_t rtw89_debugfs_seq_file_write(struct file *filp, - const char __user *buffer, - size_t count, loff_t *loff) -{ - struct seq_file *seqpriv = (struct seq_file *)filp->private_data; - struct rtw89_debugfs_priv *debugfs_priv = seqpriv->private; + buf = debugfs_priv->rbuf; + if (!buf) + return -ENOMEM; + + if (*ppos) { + n = debugfs_priv->rused; + goto out; + } - return debugfs_priv->cb_write(filp, buffer, count, loff); + if (opt->rlock) { + n = wiphy_locked_debugfs_read(rtwdev->hw->wiphy, file, buf, bufsz, + userbuf, count, ppos, + rtw89_debugfs_file_read_helper, + debugfs_priv); + debugfs_priv->rused = n; + + return n; + } + + n = rtw89_debugfs_file_read_helper(rtwdev->hw->wiphy, file, buf, bufsz, + debugfs_priv); + debugfs_priv->rused = n; + +out: + return simple_read_from_buffer(userbuf, count, ppos, buf, n); } -static int rtw89_debugfs_single_open(struct inode *inode, struct file *filp) +static ssize_t rtw89_debugfs_file_write_helper(struct wiphy *wiphy, struct file *file, + char *buf, size_t count, void *data) { - return single_open(filp, rtw89_debugfs_single_show, inode->i_private); + struct rtw89_debugfs_priv *debugfs_priv = data; + struct rtw89_dev *rtwdev = debugfs_priv->rtwdev; + + return debugfs_priv->cb_write(rtwdev, debugfs_priv, buf, count); } -static int rtw89_debugfs_close(struct inode *inode, struct file *filp) +static ssize_t rtw89_debugfs_file_write(struct file *file, + const char __user *userbuf, + size_t count, loff_t *loff) { - return 0; + struct rtw89_debugfs_priv *debugfs_priv = file->private_data; + struct rtw89_debugfs_priv_opt *opt = &debugfs_priv->opt; + struct rtw89_dev *rtwdev = debugfs_priv->rtwdev; + char *buf __free(kfree) = kmalloc(count + 1, GFP_KERNEL); + ssize_t n; + + if (!buf) + return -ENOMEM; + + if (opt->wlock) { + n = wiphy_locked_debugfs_write(rtwdev->hw->wiphy, + file, buf, count + 1, + userbuf, count, + rtw89_debugfs_file_write_helper, + debugfs_priv); + return n; + } + + if (copy_from_user(buf, userbuf, count)) + return -EFAULT; + + buf[count] = '\0'; + + return debugfs_priv->cb_write(rtwdev, debugfs_priv, buf, count); } -static const struct file_operations file_ops_single_r = { - .owner = THIS_MODULE, - .open = rtw89_debugfs_single_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, +static const struct debugfs_short_fops file_ops_single_r = { + .read = rtw89_debugfs_file_read, + .llseek = generic_file_llseek, }; -static const struct file_operations file_ops_common_rw = { - .owner = THIS_MODULE, - .open = rtw89_debugfs_single_open, - .release = single_release, - .read = seq_read, - .llseek = seq_lseek, - .write = rtw89_debugfs_seq_file_write, +static const struct debugfs_short_fops file_ops_common_rw = { + .read = rtw89_debugfs_file_read, + .write = rtw89_debugfs_file_write, + .llseek = generic_file_llseek, }; -static const struct file_operations file_ops_single_w = { - .owner = THIS_MODULE, - .write = rtw89_debugfs_single_write, - .open = simple_open, - .release = rtw89_debugfs_close, +static const struct debugfs_short_fops file_ops_single_w = { + .write = rtw89_debugfs_file_write, + .llseek = generic_file_llseek, }; static ssize_t -rtw89_debug_priv_read_reg_select(struct file *filp, - const char __user *user_buf, - size_t count, loff_t *loff) +rtw89_debug_priv_read_reg_select(struct rtw89_dev *rtwdev, + struct rtw89_debugfs_priv *debugfs_priv, + const char *buf, size_t count) { - struct seq_file *m = (struct seq_file *)filp->private_data; - struct rtw89_debugfs_priv *debugfs_priv = m->private; - struct rtw89_dev *rtwdev = debugfs_priv->rtwdev; - char buf[32]; - size_t buf_size; u32 addr, len; int num; - buf_size = min(count, sizeof(buf) - 1); - if (copy_from_user(buf, user_buf, buf_size)) - return -EFAULT; - - buf[buf_size] = '\0'; num = sscanf(buf, "%x %x", &addr, &len); if (num != 2) { rtw89_info(rtwdev, "invalid format: <addr> <len>\n"); @@ -191,11 +265,13 @@ rtw89_debug_priv_read_reg_select(struct file *filp, return count; } -static int rtw89_debug_priv_read_reg_get(struct seq_file *m, void *v) +static +ssize_t rtw89_debug_priv_read_reg_get(struct rtw89_dev *rtwdev, + struct rtw89_debugfs_priv *debugfs_priv, + char *buf, size_t bufsz) { - struct rtw89_debugfs_priv *debugfs_priv = m->private; - struct rtw89_dev *rtwdev = debugfs_priv->rtwdev; - u32 addr, end, data, k; + char *p = buf, *end = buf + bufsz; + u32 addr, addr_end, data, k; u32 len; len = debugfs_priv->read_reg.len; @@ -219,41 +295,34 @@ static int rtw89_debug_priv_read_reg_get(struct seq_file *m, void *v) return -EINVAL; } - seq_printf(m, "get %d bytes at 0x%08x=0x%08x\n", len, addr, data); + p += scnprintf(p, end - p, "get %d bytes at 0x%08x=0x%08x\n", len, + addr, data); - return 0; + return p - buf; ndata: - end = addr + len; + addr_end = addr + len; - for (; addr < end; addr += 16) { - seq_printf(m, "%08xh : ", 0x18600000 + addr); + for (; addr < addr_end; addr += 16) { + p += scnprintf(p, end - p, "%08xh : ", 0x18600000 + addr); for (k = 0; k < 16; k += 4) { data = rtw89_read32(rtwdev, addr + k); - seq_printf(m, "%08x ", data); + p += scnprintf(p, end - p, "%08x ", data); } - seq_puts(m, "\n"); + p += scnprintf(p, end - p, "\n"); } - return 0; + return p - buf; } -static ssize_t rtw89_debug_priv_write_reg_set(struct file *filp, - const char __user *user_buf, - size_t count, loff_t *loff) +static +ssize_t rtw89_debug_priv_write_reg_set(struct rtw89_dev *rtwdev, + struct rtw89_debugfs_priv *debugfs_priv, + const char *buf, size_t count) { - struct rtw89_debugfs_priv *debugfs_priv = filp->private_data; - struct rtw89_dev *rtwdev = debugfs_priv->rtwdev; - char buf[32]; - size_t buf_size; u32 addr, val, len; int num; - buf_size = min(count, sizeof(buf) - 1); - if (copy_from_user(buf, user_buf, buf_size)) - return -EFAULT; - - buf[buf_size] = '\0'; num = sscanf(buf, "%x %x %x", &addr, &val, &len); if (num != 3) { rtw89_info(rtwdev, "invalid format: <addr> <val> <len>\n"); @@ -282,24 +351,14 @@ static ssize_t rtw89_debug_priv_write_reg_set(struct file *filp, } static ssize_t -rtw89_debug_priv_read_rf_select(struct file *filp, - const char __user *user_buf, - size_t count, loff_t *loff) +rtw89_debug_priv_read_rf_select(struct rtw89_dev *rtwdev, + struct rtw89_debugfs_priv *debugfs_priv, + const char *buf, size_t count) { - struct seq_file *m = (struct seq_file *)filp->private_data; - struct rtw89_debugfs_priv *debugfs_priv = m->private; - struct rtw89_dev *rtwdev = debugfs_priv->rtwdev; - char buf[32]; - size_t buf_size; u32 addr, mask; u8 path; int num; - buf_size = min(count, sizeof(buf) - 1); - if (copy_from_user(buf, user_buf, buf_size)) - return -EFAULT; - - buf[buf_size] = '\0'; num = sscanf(buf, "%hhd %x %x", &path, &addr, &mask); if (num != 3) { rtw89_info(rtwdev, "invalid format: <path> <addr> <mask>\n"); @@ -319,10 +378,12 @@ rtw89_debug_priv_read_rf_select(struct file *filp, return count; } -static int rtw89_debug_priv_read_rf_get(struct seq_file *m, void *v) +static +ssize_t rtw89_debug_priv_read_rf_get(struct rtw89_dev *rtwdev, + struct rtw89_debugfs_priv *debugfs_priv, + char *buf, size_t bufsz) { - struct rtw89_debugfs_priv *debugfs_priv = m->private; - struct rtw89_dev *rtwdev = debugfs_priv->rtwdev; + char *p = buf, *end = buf + bufsz; u32 addr, data, mask; u8 path; @@ -332,28 +393,21 @@ static int rtw89_debug_priv_read_rf_get(struct seq_file *m, void *v) data = rtw89_read_rf(rtwdev, path, addr, mask); - seq_printf(m, "path %d, rf register 0x%08x=0x%08x\n", path, addr, data); + p += scnprintf(p, end - p, "path %d, rf register 0x%08x=0x%08x\n", + path, addr, data); - return 0; + return p - buf; } -static ssize_t rtw89_debug_priv_write_rf_set(struct file *filp, - const char __user *user_buf, - size_t count, loff_t *loff) +static +ssize_t rtw89_debug_priv_write_rf_set(struct rtw89_dev *rtwdev, + struct rtw89_debugfs_priv *debugfs_priv, + const char *buf, size_t count) { - struct rtw89_debugfs_priv *debugfs_priv = filp->private_data; - struct rtw89_dev *rtwdev = debugfs_priv->rtwdev; - char buf[32]; - size_t buf_size; u32 addr, val, mask; u8 path; int num; - buf_size = min(count, sizeof(buf) - 1); - if (copy_from_user(buf, user_buf, buf_size)) - return -EFAULT; - - buf[buf_size] = '\0'; num = sscanf(buf, "%hhd %x %x %x", &path, &addr, &mask, &val); if (num != 4) { rtw89_info(rtwdev, "invalid format: <path> <addr> <mask> <val>\n"); @@ -372,29 +426,31 @@ static ssize_t rtw89_debug_priv_write_rf_set(struct file *filp, return count; } -static int rtw89_debug_priv_rf_reg_dump_get(struct seq_file *m, void *v) +static +ssize_t rtw89_debug_priv_rf_reg_dump_get(struct rtw89_dev *rtwdev, + struct rtw89_debugfs_priv *debugfs_priv, + char *buf, size_t bufsz) { - struct rtw89_debugfs_priv *debugfs_priv = m->private; - struct rtw89_dev *rtwdev = debugfs_priv->rtwdev; const struct rtw89_chip_info *chip = rtwdev->chip; + char *p = buf, *end = buf + bufsz; u32 addr, offset, data; u8 path; for (path = 0; path < chip->rf_path_num; path++) { - seq_printf(m, "RF path %d:\n\n", path); + p += scnprintf(p, end - p, "RF path %d:\n\n", path); for (addr = 0; addr < 0x100; addr += 4) { - seq_printf(m, "0x%08x: ", addr); + p += scnprintf(p, end - p, "0x%08x: ", addr); for (offset = 0; offset < 4; offset++) { data = rtw89_read_rf(rtwdev, path, addr + offset, RFREG_MASK); - seq_printf(m, "0x%05x ", data); + p += scnprintf(p, end - p, "0x%05x ", data); } - seq_puts(m, "\n"); + p += scnprintf(p, end - p, "\n"); } - seq_puts(m, "\n"); + p += scnprintf(p, end - p, "\n"); } - return 0; + return p - buf; } struct txpwr_ent { @@ -725,56 +781,71 @@ static const struct txpwr_map __txpwr_map_lmt_ru_be = { }; static unsigned int -__print_txpwr_ent(struct seq_file *m, const struct txpwr_ent *ent, - const s8 *buf, const unsigned int cur) +__print_txpwr_ent(char *buf, size_t bufsz, const struct txpwr_ent *ent, + const s8 *bufp, const unsigned int cur, unsigned int *ate) { + char *p = buf, *end = buf + bufsz; unsigned int cnt, i; + unsigned int eaten; char *fmt; if (ent->nested) { - for (cnt = 0, i = 0; i < ent->len; i++) - cnt += __print_txpwr_ent(m, ent->ptr + i, buf, - cur + cnt); - return cnt; + for (cnt = 0, i = 0; i < ent->len; i++, cnt += eaten) + p += __print_txpwr_ent(p, end - p, ent->ptr + i, bufp, + cur + cnt, &eaten); + *ate = cnt; + goto out; } switch (ent->len) { case 0: - seq_printf(m, "\t<< %s >>\n", ent->txt); - return 0; + p += scnprintf(p, end - p, "\t<< %s >>\n", ent->txt); + *ate = 0; + goto out; case 2: fmt = "%s\t| %3d, %3d,\t\tdBm\n"; - seq_printf(m, fmt, ent->txt, buf[cur], buf[cur + 1]); - return 2; + p += scnprintf(p, end - p, fmt, ent->txt, bufp[cur], + bufp[cur + 1]); + *ate = 2; + goto out; case 4: fmt = "%s\t| %3d, %3d, %3d, %3d,\tdBm\n"; - seq_printf(m, fmt, ent->txt, buf[cur], buf[cur + 1], - buf[cur + 2], buf[cur + 3]); - return 4; + p += scnprintf(p, end - p, fmt, ent->txt, bufp[cur], + bufp[cur + 1], + bufp[cur + 2], bufp[cur + 3]); + *ate = 4; + goto out; case 8: fmt = "%s\t| %3d, %3d, %3d, %3d, %3d, %3d, %3d, %3d,\tdBm\n"; - seq_printf(m, fmt, ent->txt, buf[cur], buf[cur + 1], - buf[cur + 2], buf[cur + 3], buf[cur + 4], - buf[cur + 5], buf[cur + 6], buf[cur + 7]); - return 8; + p += scnprintf(p, end - p, fmt, ent->txt, bufp[cur], + bufp[cur + 1], + bufp[cur + 2], bufp[cur + 3], bufp[cur + 4], + bufp[cur + 5], bufp[cur + 6], bufp[cur + 7]); + *ate = 8; + goto out; default: return 0; } + +out: + return p - buf; } -static int __print_txpwr_map(struct seq_file *m, struct rtw89_dev *rtwdev, - const struct txpwr_map *map) +static ssize_t __print_txpwr_map(struct rtw89_dev *rtwdev, char *buf, size_t bufsz, + const struct txpwr_map *map) { u8 fct = rtwdev->chip->txpwr_factor_mac; u8 path_num = rtwdev->chip->rf_path_num; + char *p = buf, *end = buf + bufsz; unsigned int cur, i; + unsigned int eaten; u32 max_valid_addr; u32 val, addr; - s8 *buf, tmp; + s8 *bufp, tmp; int ret; - buf = vzalloc(map->addr_to - map->addr_from + 4); - if (!buf) + bufp = vzalloc(map->addr_to - map->addr_from + 4); + if (!bufp) return -ENOMEM; if (path_num == 1) @@ -794,52 +865,31 @@ static int __print_txpwr_map(struct seq_file *m, struct rtw89_dev *rtwdev, for (i = 0; i < 4; i++, val >>= 8) { /* signed 7 bits, and reserved BIT(7) */ tmp = sign_extend32(val, 6); - buf[cur + i] = tmp >> fct; + bufp[cur + i] = tmp >> fct; } } - for (cur = 0, i = 0; i < map->size; i++) - cur += __print_txpwr_ent(m, &map->ent[i], buf, cur); + for (cur = 0, i = 0; i < map->size; i++, cur += eaten) + p += __print_txpwr_ent(p, end - p, &map->ent[i], bufp, cur, &eaten); - vfree(buf); - return 0; + vfree(bufp); + return p - buf; } -#define case_REGD(_regd) \ - case RTW89_ ## _regd: \ - seq_puts(m, #_regd "\n"); \ - break - -static void __print_regd(struct seq_file *m, struct rtw89_dev *rtwdev, - const struct rtw89_chan *chan) +static int __print_regd(struct rtw89_dev *rtwdev, char *buf, size_t bufsz, + const struct rtw89_chan *chan) { + const struct rtw89_regulatory_info *regulatory = &rtwdev->regulatory; + char *p = buf, *end = buf + bufsz; u8 band = chan->band_type; u8 regd = rtw89_regd_get(rtwdev, band); - switch (regd) { - default: - seq_printf(m, "UNKNOWN: %d\n", regd); - break; - case_REGD(WW); - case_REGD(ETSI); - case_REGD(FCC); - case_REGD(MKK); - case_REGD(NA); - case_REGD(IC); - case_REGD(KCC); - case_REGD(NCC); - case_REGD(CHILE); - case_REGD(ACMA); - case_REGD(MEXICO); - case_REGD(UKRAINE); - case_REGD(CN); - case_REGD(QATAR); - case_REGD(UK); - case_REGD(THAILAND); - } -} + p += scnprintf(p, end - p, "%s\n", rtw89_regd_get_string(regd)); + p += scnprintf(p, end - p, "\t(txpwr UK follow ETSI: %s)\n", + str_yes_no(regulatory->txpwr_uk_follow_etsi)); -#undef case_REGD + return p - buf; +} struct dbgfs_txpwr_table { const struct txpwr_map *byr; @@ -865,96 +915,95 @@ static const struct dbgfs_txpwr_table *dbgfs_txpwr_tables[RTW89_CHIP_GEN_NUM] = }; static -void rtw89_debug_priv_txpwr_table_get_regd(struct seq_file *m, - struct rtw89_dev *rtwdev, - const struct rtw89_chan *chan) +int rtw89_debug_priv_txpwr_table_get_regd(struct rtw89_dev *rtwdev, + char *buf, size_t bufsz, + const struct rtw89_chan *chan) { const struct rtw89_regulatory_info *regulatory = &rtwdev->regulatory; const struct rtw89_reg_6ghz_tpe *tpe6 = ®ulatory->reg_6ghz_tpe; + char *p = buf, *end = buf + bufsz; - seq_printf(m, "[Chanctx] band %u, ch %u, bw %u\n", - chan->band_type, chan->channel, chan->band_width); + p += scnprintf(p, end - p, "[Chanctx] band %u, ch %u, bw %u\n", + chan->band_type, chan->channel, chan->band_width); - seq_puts(m, "[Regulatory] "); - __print_regd(m, rtwdev, chan); + p += scnprintf(p, end - p, "[Regulatory] "); + p += __print_regd(rtwdev, p, end - p, chan); if (chan->band_type == RTW89_BAND_6G) { - seq_printf(m, "[reg6_pwr_type] %u\n", regulatory->reg_6ghz_power); + p += scnprintf(p, end - p, "[reg6_pwr_type] %u\n", + regulatory->reg_6ghz_power); if (tpe6->valid) - seq_printf(m, "[TPE] %d dBm\n", tpe6->constraint); + p += scnprintf(p, end - p, "[TPE] %d dBm\n", + tpe6->constraint); } + + return p - buf; } -static int rtw89_debug_priv_txpwr_table_get(struct seq_file *m, void *v) +static +ssize_t rtw89_debug_priv_txpwr_table_get(struct rtw89_dev *rtwdev, + struct rtw89_debugfs_priv *debugfs_priv, + char *buf, size_t bufsz) { - struct rtw89_debugfs_priv *debugfs_priv = m->private; - struct rtw89_dev *rtwdev = debugfs_priv->rtwdev; enum rtw89_chip_gen chip_gen = rtwdev->chip->chip_gen; + struct rtw89_sar_parm sar_parm = {}; const struct dbgfs_txpwr_table *tbl; const struct rtw89_chan *chan; - int ret = 0; + char *p = buf, *end = buf + bufsz; + ssize_t n; + + lockdep_assert_wiphy(rtwdev->hw->wiphy); - mutex_lock(&rtwdev->mutex); rtw89_leave_ps_mode(rtwdev); chan = rtw89_chan_get(rtwdev, RTW89_CHANCTX_0); + sar_parm.center_freq = chan->freq; - rtw89_debug_priv_txpwr_table_get_regd(m, rtwdev, chan); + p += rtw89_debug_priv_txpwr_table_get_regd(rtwdev, p, end - p, chan); - seq_puts(m, "[SAR]\n"); - rtw89_print_sar(m, rtwdev, chan->freq); + p += scnprintf(p, end - p, "[SAR]\n"); + p += rtw89_print_sar(rtwdev, p, end - p, &sar_parm); - seq_puts(m, "[TAS]\n"); - rtw89_print_tas(m, rtwdev); + p += scnprintf(p, end - p, "[TAS]\n"); + p += rtw89_print_tas(rtwdev, p, end - p); - seq_puts(m, "[DAG]\n"); - rtw89_print_ant_gain(m, rtwdev, chan); + p += scnprintf(p, end - p, "[DAG]\n"); + p += rtw89_print_ant_gain(rtwdev, p, end - p, chan); tbl = dbgfs_txpwr_tables[chip_gen]; - if (!tbl) { - ret = -EOPNOTSUPP; - goto err; - } - - seq_puts(m, "\n[TX power byrate]\n"); - ret = __print_txpwr_map(m, rtwdev, tbl->byr); - if (ret) - goto err; - - seq_puts(m, "\n[TX power limit]\n"); - ret = __print_txpwr_map(m, rtwdev, tbl->lmt); - if (ret) - goto err; - - seq_puts(m, "\n[TX power limit_ru]\n"); - ret = __print_txpwr_map(m, rtwdev, tbl->lmt_ru); - if (ret) - goto err; + if (!tbl) + return -EOPNOTSUPP; -err: - mutex_unlock(&rtwdev->mutex); - return ret; + p += scnprintf(p, end - p, "\n[TX power byrate]\n"); + n = __print_txpwr_map(rtwdev, p, end - p, tbl->byr); + if (n < 0) + return n; + p += n; + + p += scnprintf(p, end - p, "\n[TX power limit]\n"); + n = __print_txpwr_map(rtwdev, p, end - p, tbl->lmt); + if (n < 0) + return n; + p += n; + + p += scnprintf(p, end - p, "\n[TX power limit_ru]\n"); + n = __print_txpwr_map(rtwdev, p, end - p, tbl->lmt_ru); + if (n < 0) + return n; + p += n; + + return p - buf; } static ssize_t -rtw89_debug_priv_mac_reg_dump_select(struct file *filp, - const char __user *user_buf, - size_t count, loff_t *loff) +rtw89_debug_priv_mac_reg_dump_select(struct rtw89_dev *rtwdev, + struct rtw89_debugfs_priv *debugfs_priv, + const char *buf, size_t count) { - struct seq_file *m = (struct seq_file *)filp->private_data; - struct rtw89_debugfs_priv *debugfs_priv = m->private; - struct rtw89_dev *rtwdev = debugfs_priv->rtwdev; const struct rtw89_chip_info *chip = rtwdev->chip; - char buf[32]; - size_t buf_size; int sel; int ret; - buf_size = min(count, sizeof(buf) - 1); - if (copy_from_user(buf, user_buf, buf_size)) - return -EFAULT; - - buf[buf_size] = '\0'; ret = kstrtoint(buf, 0, &sel); if (ret) return ret; @@ -978,99 +1027,91 @@ rtw89_debug_priv_mac_reg_dump_select(struct file *filp, #define RTW89_MAC_PAGE_SIZE 0x100 -static int rtw89_debug_priv_mac_reg_dump_get(struct seq_file *m, void *v) +static +ssize_t rtw89_debug_priv_mac_reg_dump_get(struct rtw89_dev *rtwdev, + struct rtw89_debugfs_priv *debugfs_priv, + char *buf, size_t bufsz) { - struct rtw89_debugfs_priv *debugfs_priv = m->private; - struct rtw89_dev *rtwdev = debugfs_priv->rtwdev; enum rtw89_debug_mac_reg_sel reg_sel = debugfs_priv->cb_data; - u32 start, end; + char *p = buf, *end = buf + bufsz; + u32 start, end_addr; u32 i, j, k, page; u32 val; switch (reg_sel) { case RTW89_DBG_SEL_MAC_00: - seq_puts(m, "Debug selected MAC page 0x00\n"); + p += scnprintf(p, end - p, "Debug selected MAC page 0x00\n"); start = 0x000; - end = 0x014; + end_addr = 0x014; break; case RTW89_DBG_SEL_MAC_30: - seq_puts(m, "Debug selected MAC page 0x30\n"); + p += scnprintf(p, end - p, "Debug selected MAC page 0x30\n"); start = 0x030; - end = 0x033; + end_addr = 0x033; break; case RTW89_DBG_SEL_MAC_40: - seq_puts(m, "Debug selected MAC page 0x40\n"); + p += scnprintf(p, end - p, "Debug selected MAC page 0x40\n"); start = 0x040; - end = 0x07f; + end_addr = 0x07f; break; case RTW89_DBG_SEL_MAC_80: - seq_puts(m, "Debug selected MAC page 0x80\n"); + p += scnprintf(p, end - p, "Debug selected MAC page 0x80\n"); start = 0x080; - end = 0x09f; + end_addr = 0x09f; break; case RTW89_DBG_SEL_MAC_C0: - seq_puts(m, "Debug selected MAC page 0xc0\n"); + p += scnprintf(p, end - p, "Debug selected MAC page 0xc0\n"); start = 0x0c0; - end = 0x0df; + end_addr = 0x0df; break; case RTW89_DBG_SEL_MAC_E0: - seq_puts(m, "Debug selected MAC page 0xe0\n"); + p += scnprintf(p, end - p, "Debug selected MAC page 0xe0\n"); start = 0x0e0; - end = 0x0ff; + end_addr = 0x0ff; break; case RTW89_DBG_SEL_BB: - seq_puts(m, "Debug selected BB register\n"); + p += scnprintf(p, end - p, "Debug selected BB register\n"); start = 0x100; - end = 0x17f; + end_addr = 0x17f; break; case RTW89_DBG_SEL_IQK: - seq_puts(m, "Debug selected IQK register\n"); + p += scnprintf(p, end - p, "Debug selected IQK register\n"); start = 0x180; - end = 0x1bf; + end_addr = 0x1bf; break; case RTW89_DBG_SEL_RFC: - seq_puts(m, "Debug selected RFC register\n"); + p += scnprintf(p, end - p, "Debug selected RFC register\n"); start = 0x1c0; - end = 0x1ff; + end_addr = 0x1ff; break; default: - seq_puts(m, "Selected invalid register page\n"); + p += scnprintf(p, end - p, "Selected invalid register page\n"); return -EINVAL; } - for (i = start; i <= end; i++) { + for (i = start; i <= end_addr; i++) { page = i << 8; for (j = page; j < page + RTW89_MAC_PAGE_SIZE; j += 16) { - seq_printf(m, "%08xh : ", 0x18600000 + j); + p += scnprintf(p, end - p, "%08xh : ", 0x18600000 + j); for (k = 0; k < 4; k++) { val = rtw89_read32(rtwdev, j + (k << 2)); - seq_printf(m, "%08x ", val); + p += scnprintf(p, end - p, "%08x ", val); } - seq_puts(m, "\n"); + p += scnprintf(p, end - p, "\n"); } } - return 0; + return p - buf; } static ssize_t -rtw89_debug_priv_mac_mem_dump_select(struct file *filp, - const char __user *user_buf, - size_t count, loff_t *loff) +rtw89_debug_priv_mac_mem_dump_select(struct rtw89_dev *rtwdev, + struct rtw89_debugfs_priv *debugfs_priv, + const char *buf, size_t count) { - struct seq_file *m = (struct seq_file *)filp->private_data; - struct rtw89_debugfs_priv *debugfs_priv = m->private; - struct rtw89_dev *rtwdev = debugfs_priv->rtwdev; - char buf[32]; - size_t buf_size; u32 sel, start_addr, len; int num; - buf_size = min(count, sizeof(buf) - 1); - if (copy_from_user(buf, user_buf, buf_size)) - return -EFAULT; - - buf[buf_size] = '\0'; num = sscanf(buf, "%x %x %x", &sel, &start_addr, &len); if (num != 3) { rtw89_info(rtwdev, "invalid format: <sel> <start> <len>\n"); @@ -1087,51 +1128,58 @@ rtw89_debug_priv_mac_mem_dump_select(struct file *filp, return count; } -static void rtw89_debug_dump_mac_mem(struct seq_file *m, - struct rtw89_dev *rtwdev, - u8 sel, u32 start_addr, u32 len) +static int rtw89_debug_dump_mac_mem(struct rtw89_dev *rtwdev, + char *buf, size_t bufsz, + u8 sel, u32 start_addr, u32 len) { const struct rtw89_mac_gen_def *mac = rtwdev->chip->mac_def; u32 filter_model_addr = mac->filter_model_addr; u32 indir_access_addr = mac->indir_access_addr; + u32 mem_page_size = mac->mem_page_size; u32 base_addr, start_page, residue; - u32 i, j, p, pages; + char *p = buf, *end = buf + bufsz; + u32 i, j, pp, pages; u32 dump_len, remain; u32 val; remain = len; - pages = len / MAC_MEM_DUMP_PAGE_SIZE + 1; - start_page = start_addr / MAC_MEM_DUMP_PAGE_SIZE; - residue = start_addr % MAC_MEM_DUMP_PAGE_SIZE; + pages = len / mem_page_size + 1; + start_page = start_addr / mem_page_size; + residue = start_addr % mem_page_size; base_addr = mac->mem_base_addrs[sel]; - base_addr += start_page * MAC_MEM_DUMP_PAGE_SIZE; + base_addr += start_page * mem_page_size; - for (p = 0; p < pages; p++) { - dump_len = min_t(u32, remain, MAC_MEM_DUMP_PAGE_SIZE); + for (pp = 0; pp < pages; pp++) { + dump_len = min_t(u32, remain, mem_page_size); rtw89_write32(rtwdev, filter_model_addr, base_addr); for (i = indir_access_addr + residue; i < indir_access_addr + dump_len;) { - seq_printf(m, "%08xh:", i); + p += scnprintf(p, end - p, "%08xh:", i); for (j = 0; j < 4 && i < indir_access_addr + dump_len; j++, i += 4) { val = rtw89_read32(rtwdev, i); - seq_printf(m, " %08x", val); + p += scnprintf(p, end - p, " %08x", val); remain -= 4; } - seq_puts(m, "\n"); + p += scnprintf(p, end - p, "\n"); } - base_addr += MAC_MEM_DUMP_PAGE_SIZE; + base_addr += mem_page_size; } + + return p - buf; } -static int -rtw89_debug_priv_mac_mem_dump_get(struct seq_file *m, void *v) +static ssize_t +rtw89_debug_priv_mac_mem_dump_get(struct rtw89_dev *rtwdev, + struct rtw89_debugfs_priv *debugfs_priv, + char *buf, size_t bufsz) { - struct rtw89_debugfs_priv *debugfs_priv = m->private; - struct rtw89_dev *rtwdev = debugfs_priv->rtwdev; + char *p = buf, *end = buf + bufsz; bool grant_read = false; + lockdep_assert_wiphy(rtwdev->hw->wiphy); + if (debugfs_priv->mac_mem.sel >= RTW89_MAC_MEM_NUM) return -ENOENT; @@ -1148,40 +1196,28 @@ rtw89_debug_priv_mac_mem_dump_get(struct seq_file *m, void *v) } } - mutex_lock(&rtwdev->mutex); rtw89_leave_ps_mode(rtwdev); if (grant_read) rtw89_write32_set(rtwdev, R_AX_TCR1, B_AX_TCR_FORCE_READ_TXDFIFO); - rtw89_debug_dump_mac_mem(m, rtwdev, - debugfs_priv->mac_mem.sel, - debugfs_priv->mac_mem.start, - debugfs_priv->mac_mem.len); + p += rtw89_debug_dump_mac_mem(rtwdev, p, end - p, + debugfs_priv->mac_mem.sel, + debugfs_priv->mac_mem.start, + debugfs_priv->mac_mem.len); if (grant_read) rtw89_write32_clr(rtwdev, R_AX_TCR1, B_AX_TCR_FORCE_READ_TXDFIFO); - mutex_unlock(&rtwdev->mutex); - return 0; + return p - buf; } static ssize_t -rtw89_debug_priv_mac_dbg_port_dump_select(struct file *filp, - const char __user *user_buf, - size_t count, loff_t *loff) +rtw89_debug_priv_mac_dbg_port_dump_select(struct rtw89_dev *rtwdev, + struct rtw89_debugfs_priv *debugfs_priv, + const char *buf, size_t count) { - struct seq_file *m = (struct seq_file *)filp->private_data; - struct rtw89_debugfs_priv *debugfs_priv = m->private; - struct rtw89_dev *rtwdev = debugfs_priv->rtwdev; - char buf[32]; - size_t buf_size; int sel, set; int num; bool enable; - buf_size = min(count, sizeof(buf) - 1); - if (copy_from_user(buf, user_buf, buf_size)) - return -EFAULT; - - buf[buf_size] = '\0'; num = sscanf(buf, "%d %d", &sel, &set); if (num != 2) { rtw89_info(rtwdev, "invalid format: <sel> <set>\n"); @@ -1217,13 +1253,13 @@ rtw89_debug_priv_mac_dbg_port_dump_select(struct file *filp, } static int rtw89_debug_mac_dump_ss_dbg(struct rtw89_dev *rtwdev, - struct seq_file *m) + char *buf, size_t bufsz) { return 0; } static int rtw89_debug_mac_dump_dle_dbg(struct rtw89_dev *rtwdev, - struct seq_file *m) + char *buf, size_t bufsz) { #define DLE_DFI_DUMP(__type, __target, __sel) \ ({ \ @@ -1252,7 +1288,7 @@ static int rtw89_debug_mac_dump_dle_dbg(struct rtw89_dev *rtwdev, __data; \ }) -#define DLE_DFI_FREE_PAGE_DUMP(__m, __type) \ +#define DLE_DFI_FREE_PAGE_DUMP(__p, __end, __type) \ ({ \ u32 __freepg, __pubpg; \ u32 __freepg_head, __freepg_tail, __pubpg_num; \ @@ -1262,24 +1298,25 @@ static int rtw89_debug_mac_dump_dle_dbg(struct rtw89_dev *rtwdev, __freepg_head = FIELD_GET(B_AX_DLE_FREE_HEADPG, __freepg); \ __freepg_tail = FIELD_GET(B_AX_DLE_FREE_TAILPG, __freepg); \ __pubpg_num = FIELD_GET(B_AX_DLE_PUB_PGNUM, __pubpg); \ - seq_printf(__m, "[%s] freepg head: %d\n", \ - #__type, __freepg_head); \ - seq_printf(__m, "[%s] freepg tail: %d\n", \ - #__type, __freepg_tail); \ - seq_printf(__m, "[%s] pubpg num : %d\n", \ - #__type, __pubpg_num); \ + __p += scnprintf(__p, __end - __p, "[%s] freepg head: %d\n", \ + #__type, __freepg_head); \ + __p += scnprintf(__p, __end - __p, "[%s] freepg tail: %d\n", \ + #__type, __freepg_tail); \ + __p += scnprintf(__p, __end - __p, "[%s] pubpg num : %d\n", \ + #__type, __pubpg_num); \ }) -#define case_QUOTA(__m, __type, __id) \ +#define case_QUOTA(__p, __end, __type, __id) \ case __type##_QTAID_##__id: \ - val32 = DLE_DFI_DUMP(__type, QUOTA, __type##_QTAID_##__id); \ + val32 = DLE_DFI_DUMP(__type, QUOTA, __type##_QTAID_##__id); \ rsv_pgnum = FIELD_GET(B_AX_DLE_RSV_PGNUM, val32); \ use_pgnum = FIELD_GET(B_AX_DLE_USE_PGNUM, val32); \ - seq_printf(__m, "[%s][%s] rsv_pgnum: %d\n", \ - #__type, #__id, rsv_pgnum); \ - seq_printf(__m, "[%s][%s] use_pgnum: %d\n", \ - #__type, #__id, use_pgnum); \ + __p += scnprintf(__p, __end - __p, "[%s][%s] rsv_pgnum: %d\n", \ + #__type, #__id, rsv_pgnum); \ + __p += scnprintf(__p, __end - __p, "[%s][%s] use_pgnum: %d\n", \ + #__type, #__id, use_pgnum); \ break + char *p = buf, *end = buf + bufsz; u32 quota_id; u32 val32; u16 rsv_pgnum, use_pgnum; @@ -1287,38 +1324,39 @@ static int rtw89_debug_mac_dump_dle_dbg(struct rtw89_dev *rtwdev, ret = rtw89_mac_check_mac_en(rtwdev, 0, RTW89_DMAC_SEL); if (ret) { - seq_puts(m, "[DLE] : DMAC not enabled\n"); - return ret; + p += scnprintf(p, end - p, "[DLE] : DMAC not enabled\n"); + goto out; } - DLE_DFI_FREE_PAGE_DUMP(m, WDE); - DLE_DFI_FREE_PAGE_DUMP(m, PLE); + DLE_DFI_FREE_PAGE_DUMP(p, end, WDE); + DLE_DFI_FREE_PAGE_DUMP(p, end, PLE); for (quota_id = 0; quota_id <= WDE_QTAID_CPUIO; quota_id++) { switch (quota_id) { - case_QUOTA(m, WDE, HOST_IF); - case_QUOTA(m, WDE, WLAN_CPU); - case_QUOTA(m, WDE, DATA_CPU); - case_QUOTA(m, WDE, PKTIN); - case_QUOTA(m, WDE, CPUIO); + case_QUOTA(p, end, WDE, HOST_IF); + case_QUOTA(p, end, WDE, WLAN_CPU); + case_QUOTA(p, end, WDE, DATA_CPU); + case_QUOTA(p, end, WDE, PKTIN); + case_QUOTA(p, end, WDE, CPUIO); } } for (quota_id = 0; quota_id <= PLE_QTAID_CPUIO; quota_id++) { switch (quota_id) { - case_QUOTA(m, PLE, B0_TXPL); - case_QUOTA(m, PLE, B1_TXPL); - case_QUOTA(m, PLE, C2H); - case_QUOTA(m, PLE, H2C); - case_QUOTA(m, PLE, WLAN_CPU); - case_QUOTA(m, PLE, MPDU); - case_QUOTA(m, PLE, CMAC0_RX); - case_QUOTA(m, PLE, CMAC1_RX); - case_QUOTA(m, PLE, CMAC1_BBRPT); - case_QUOTA(m, PLE, WDRLS); - case_QUOTA(m, PLE, CPUIO); + case_QUOTA(p, end, PLE, B0_TXPL); + case_QUOTA(p, end, PLE, B1_TXPL); + case_QUOTA(p, end, PLE, C2H); + case_QUOTA(p, end, PLE, H2C); + case_QUOTA(p, end, PLE, WLAN_CPU); + case_QUOTA(p, end, PLE, MPDU); + case_QUOTA(p, end, PLE, CMAC0_RX); + case_QUOTA(p, end, PLE, CMAC1_RX); + case_QUOTA(p, end, PLE, CMAC1_BBRPT); + case_QUOTA(p, end, PLE, WDRLS); + case_QUOTA(p, end, PLE, CPUIO); } } - return 0; +out: + return p - buf; #undef case_QUOTA #undef DLE_DFI_DUMP @@ -1326,73 +1364,88 @@ static int rtw89_debug_mac_dump_dle_dbg(struct rtw89_dev *rtwdev, } static int rtw89_debug_mac_dump_dmac_dbg(struct rtw89_dev *rtwdev, - struct seq_file *m) + char *buf, size_t bufsz) { const struct rtw89_chip_info *chip = rtwdev->chip; + char *p = buf, *end = buf + bufsz; u32 dmac_err; int i, ret; ret = rtw89_mac_check_mac_en(rtwdev, 0, RTW89_DMAC_SEL); if (ret) { - seq_puts(m, "[DMAC] : DMAC not enabled\n"); - return ret; + p += scnprintf(p, end - p, "[DMAC] : DMAC not enabled\n"); + goto out; } dmac_err = rtw89_read32(rtwdev, R_AX_DMAC_ERR_ISR); - seq_printf(m, "R_AX_DMAC_ERR_ISR=0x%08x\n", dmac_err); - seq_printf(m, "R_AX_DMAC_ERR_IMR=0x%08x\n", - rtw89_read32(rtwdev, R_AX_DMAC_ERR_IMR)); + p += scnprintf(p, end - p, "R_AX_DMAC_ERR_ISR=0x%08x\n", dmac_err); + p += scnprintf(p, end - p, "R_AX_DMAC_ERR_IMR=0x%08x\n", + rtw89_read32(rtwdev, R_AX_DMAC_ERR_IMR)); if (dmac_err) { - seq_printf(m, "R_AX_WDE_ERR_FLAG_CFG=0x%08x\n", - rtw89_read32(rtwdev, R_AX_WDE_ERR_FLAG_CFG_NUM1)); - seq_printf(m, "R_AX_PLE_ERR_FLAG_CFG=0x%08x\n", - rtw89_read32(rtwdev, R_AX_PLE_ERR_FLAG_CFG_NUM1)); + p += scnprintf(p, end - p, "R_AX_WDE_ERR_FLAG_CFG=0x%08x\n", + rtw89_read32(rtwdev, R_AX_WDE_ERR_FLAG_CFG_NUM1)); + p += scnprintf(p, end - p, "R_AX_PLE_ERR_FLAG_CFG=0x%08x\n", + rtw89_read32(rtwdev, R_AX_PLE_ERR_FLAG_CFG_NUM1)); if (chip->chip_id == RTL8852C) { - seq_printf(m, "R_AX_PLE_ERRFLAG_MSG=0x%08x\n", - rtw89_read32(rtwdev, R_AX_PLE_ERRFLAG_MSG)); - seq_printf(m, "R_AX_WDE_ERRFLAG_MSG=0x%08x\n", - rtw89_read32(rtwdev, R_AX_WDE_ERRFLAG_MSG)); - seq_printf(m, "R_AX_PLE_DBGERR_LOCKEN=0x%08x\n", - rtw89_read32(rtwdev, R_AX_PLE_DBGERR_LOCKEN)); - seq_printf(m, "R_AX_PLE_DBGERR_STS=0x%08x\n", - rtw89_read32(rtwdev, R_AX_PLE_DBGERR_STS)); + p += scnprintf(p, end - p, + "R_AX_PLE_ERRFLAG_MSG=0x%08x\n", + rtw89_read32(rtwdev, R_AX_PLE_ERRFLAG_MSG)); + p += scnprintf(p, end - p, + "R_AX_WDE_ERRFLAG_MSG=0x%08x\n", + rtw89_read32(rtwdev, R_AX_WDE_ERRFLAG_MSG)); + p += scnprintf(p, end - p, + "R_AX_PLE_DBGERR_LOCKEN=0x%08x\n", + rtw89_read32(rtwdev, R_AX_PLE_DBGERR_LOCKEN)); + p += scnprintf(p, end - p, + "R_AX_PLE_DBGERR_STS=0x%08x\n", + rtw89_read32(rtwdev, R_AX_PLE_DBGERR_STS)); } } if (dmac_err & B_AX_WDRLS_ERR_FLAG) { - seq_printf(m, "R_AX_WDRLS_ERR_IMR=0x%08x\n", - rtw89_read32(rtwdev, R_AX_WDRLS_ERR_IMR)); - seq_printf(m, "R_AX_WDRLS_ERR_ISR=0x%08x\n", - rtw89_read32(rtwdev, R_AX_WDRLS_ERR_ISR)); + p += scnprintf(p, end - p, "R_AX_WDRLS_ERR_IMR=0x%08x\n", + rtw89_read32(rtwdev, R_AX_WDRLS_ERR_IMR)); + p += scnprintf(p, end - p, "R_AX_WDRLS_ERR_ISR=0x%08x\n", + rtw89_read32(rtwdev, R_AX_WDRLS_ERR_ISR)); if (chip->chip_id == RTL8852C) - seq_printf(m, "R_AX_RPQ_RXBD_IDX=0x%08x\n", - rtw89_read32(rtwdev, R_AX_RPQ_RXBD_IDX_V1)); + p += scnprintf(p, end - p, + "R_AX_RPQ_RXBD_IDX=0x%08x\n", + rtw89_read32(rtwdev, R_AX_RPQ_RXBD_IDX_V1)); else - seq_printf(m, "R_AX_RPQ_RXBD_IDX=0x%08x\n", - rtw89_read32(rtwdev, R_AX_RPQ_RXBD_IDX)); + p += scnprintf(p, end - p, + "R_AX_RPQ_RXBD_IDX=0x%08x\n", + rtw89_read32(rtwdev, R_AX_RPQ_RXBD_IDX)); } if (dmac_err & B_AX_WSEC_ERR_FLAG) { if (chip->chip_id == RTL8852C) { - seq_printf(m, "R_AX_SEC_ERR_IMR=0x%08x\n", - rtw89_read32(rtwdev, R_AX_SEC_ERROR_FLAG_IMR)); - seq_printf(m, "R_AX_SEC_ERR_ISR=0x%08x\n", - rtw89_read32(rtwdev, R_AX_SEC_ERROR_FLAG)); - seq_printf(m, "R_AX_SEC_ENG_CTRL=0x%08x\n", - rtw89_read32(rtwdev, R_AX_SEC_ENG_CTRL)); - seq_printf(m, "R_AX_SEC_MPDU_PROC=0x%08x\n", - rtw89_read32(rtwdev, R_AX_SEC_MPDU_PROC)); - seq_printf(m, "R_AX_SEC_CAM_ACCESS=0x%08x\n", - rtw89_read32(rtwdev, R_AX_SEC_CAM_ACCESS)); - seq_printf(m, "R_AX_SEC_CAM_RDATA=0x%08x\n", - rtw89_read32(rtwdev, R_AX_SEC_CAM_RDATA)); - seq_printf(m, "R_AX_SEC_DEBUG1=0x%08x\n", - rtw89_read32(rtwdev, R_AX_SEC_DEBUG1)); - seq_printf(m, "R_AX_SEC_TX_DEBUG=0x%08x\n", - rtw89_read32(rtwdev, R_AX_SEC_TX_DEBUG)); - seq_printf(m, "R_AX_SEC_RX_DEBUG=0x%08x\n", - rtw89_read32(rtwdev, R_AX_SEC_RX_DEBUG)); + p += scnprintf(p, end - p, + "R_AX_SEC_ERR_IMR=0x%08x\n", + rtw89_read32(rtwdev, R_AX_SEC_ERROR_FLAG_IMR)); + p += scnprintf(p, end - p, + "R_AX_SEC_ERR_ISR=0x%08x\n", + rtw89_read32(rtwdev, R_AX_SEC_ERROR_FLAG)); + p += scnprintf(p, end - p, + "R_AX_SEC_ENG_CTRL=0x%08x\n", + rtw89_read32(rtwdev, R_AX_SEC_ENG_CTRL)); + p += scnprintf(p, end - p, + "R_AX_SEC_MPDU_PROC=0x%08x\n", + rtw89_read32(rtwdev, R_AX_SEC_MPDU_PROC)); + p += scnprintf(p, end - p, + "R_AX_SEC_CAM_ACCESS=0x%08x\n", + rtw89_read32(rtwdev, R_AX_SEC_CAM_ACCESS)); + p += scnprintf(p, end - p, + "R_AX_SEC_CAM_RDATA=0x%08x\n", + rtw89_read32(rtwdev, R_AX_SEC_CAM_RDATA)); + p += scnprintf(p, end - p, "R_AX_SEC_DEBUG1=0x%08x\n", + rtw89_read32(rtwdev, R_AX_SEC_DEBUG1)); + p += scnprintf(p, end - p, + "R_AX_SEC_TX_DEBUG=0x%08x\n", + rtw89_read32(rtwdev, R_AX_SEC_TX_DEBUG)); + p += scnprintf(p, end - p, + "R_AX_SEC_RX_DEBUG=0x%08x\n", + rtw89_read32(rtwdev, R_AX_SEC_RX_DEBUG)); rtw89_write32_mask(rtwdev, R_AX_DBG_CTRL, B_AX_DBG_SEL0, 0x8B); @@ -1403,187 +1456,229 @@ static int rtw89_debug_mac_dump_dmac_dbg(struct rtw89_dev *rtwdev, for (i = 0; i < 0x10; i++) { rtw89_write32_mask(rtwdev, R_AX_SEC_ENG_CTRL, B_AX_SEC_DBG_PORT_FIELD_MASK, i); - seq_printf(m, "sel=%x,R_AX_SEC_DEBUG2=0x%08x\n", - i, rtw89_read32(rtwdev, R_AX_SEC_DEBUG2)); + p += scnprintf(p, end - p, + "sel=%x,R_AX_SEC_DEBUG2=0x%08x\n", + i, + rtw89_read32(rtwdev, R_AX_SEC_DEBUG2)); } } else { - seq_printf(m, "R_AX_SEC_ERR_IMR_ISR=0x%08x\n", - rtw89_read32(rtwdev, R_AX_SEC_DEBUG)); - seq_printf(m, "R_AX_SEC_ENG_CTRL=0x%08x\n", - rtw89_read32(rtwdev, R_AX_SEC_ENG_CTRL)); - seq_printf(m, "R_AX_SEC_MPDU_PROC=0x%08x\n", - rtw89_read32(rtwdev, R_AX_SEC_MPDU_PROC)); - seq_printf(m, "R_AX_SEC_CAM_ACCESS=0x%08x\n", - rtw89_read32(rtwdev, R_AX_SEC_CAM_ACCESS)); - seq_printf(m, "R_AX_SEC_CAM_RDATA=0x%08x\n", - rtw89_read32(rtwdev, R_AX_SEC_CAM_RDATA)); - seq_printf(m, "R_AX_SEC_CAM_WDATA=0x%08x\n", - rtw89_read32(rtwdev, R_AX_SEC_CAM_WDATA)); - seq_printf(m, "R_AX_SEC_TX_DEBUG=0x%08x\n", - rtw89_read32(rtwdev, R_AX_SEC_TX_DEBUG)); - seq_printf(m, "R_AX_SEC_RX_DEBUG=0x%08x\n", - rtw89_read32(rtwdev, R_AX_SEC_RX_DEBUG)); - seq_printf(m, "R_AX_SEC_TRX_PKT_CNT=0x%08x\n", - rtw89_read32(rtwdev, R_AX_SEC_TRX_PKT_CNT)); - seq_printf(m, "R_AX_SEC_TRX_BLK_CNT=0x%08x\n", - rtw89_read32(rtwdev, R_AX_SEC_TRX_BLK_CNT)); + p += scnprintf(p, end - p, + "R_AX_SEC_ERR_IMR_ISR=0x%08x\n", + rtw89_read32(rtwdev, R_AX_SEC_DEBUG)); + p += scnprintf(p, end - p, + "R_AX_SEC_ENG_CTRL=0x%08x\n", + rtw89_read32(rtwdev, R_AX_SEC_ENG_CTRL)); + p += scnprintf(p, end - p, + "R_AX_SEC_MPDU_PROC=0x%08x\n", + rtw89_read32(rtwdev, R_AX_SEC_MPDU_PROC)); + p += scnprintf(p, end - p, + "R_AX_SEC_CAM_ACCESS=0x%08x\n", + rtw89_read32(rtwdev, R_AX_SEC_CAM_ACCESS)); + p += scnprintf(p, end - p, + "R_AX_SEC_CAM_RDATA=0x%08x\n", + rtw89_read32(rtwdev, R_AX_SEC_CAM_RDATA)); + p += scnprintf(p, end - p, + "R_AX_SEC_CAM_WDATA=0x%08x\n", + rtw89_read32(rtwdev, R_AX_SEC_CAM_WDATA)); + p += scnprintf(p, end - p, + "R_AX_SEC_TX_DEBUG=0x%08x\n", + rtw89_read32(rtwdev, R_AX_SEC_TX_DEBUG)); + p += scnprintf(p, end - p, + "R_AX_SEC_RX_DEBUG=0x%08x\n", + rtw89_read32(rtwdev, R_AX_SEC_RX_DEBUG)); + p += scnprintf(p, end - p, + "R_AX_SEC_TRX_PKT_CNT=0x%08x\n", + rtw89_read32(rtwdev, R_AX_SEC_TRX_PKT_CNT)); + p += scnprintf(p, end - p, + "R_AX_SEC_TRX_BLK_CNT=0x%08x\n", + rtw89_read32(rtwdev, R_AX_SEC_TRX_BLK_CNT)); } } if (dmac_err & B_AX_MPDU_ERR_FLAG) { - seq_printf(m, "R_AX_MPDU_TX_ERR_IMR=0x%08x\n", - rtw89_read32(rtwdev, R_AX_MPDU_TX_ERR_IMR)); - seq_printf(m, "R_AX_MPDU_TX_ERR_ISR=0x%08x\n", - rtw89_read32(rtwdev, R_AX_MPDU_TX_ERR_ISR)); - seq_printf(m, "R_AX_MPDU_RX_ERR_IMR=0x%08x\n", - rtw89_read32(rtwdev, R_AX_MPDU_RX_ERR_IMR)); - seq_printf(m, "R_AX_MPDU_RX_ERR_ISR=0x%08x\n", - rtw89_read32(rtwdev, R_AX_MPDU_RX_ERR_ISR)); + p += scnprintf(p, end - p, "R_AX_MPDU_TX_ERR_IMR=0x%08x\n", + rtw89_read32(rtwdev, R_AX_MPDU_TX_ERR_IMR)); + p += scnprintf(p, end - p, "R_AX_MPDU_TX_ERR_ISR=0x%08x\n", + rtw89_read32(rtwdev, R_AX_MPDU_TX_ERR_ISR)); + p += scnprintf(p, end - p, "R_AX_MPDU_RX_ERR_IMR=0x%08x\n", + rtw89_read32(rtwdev, R_AX_MPDU_RX_ERR_IMR)); + p += scnprintf(p, end - p, "R_AX_MPDU_RX_ERR_ISR=0x%08x\n", + rtw89_read32(rtwdev, R_AX_MPDU_RX_ERR_ISR)); } if (dmac_err & B_AX_STA_SCHEDULER_ERR_FLAG) { - seq_printf(m, "R_AX_STA_SCHEDULER_ERR_IMR=0x%08x\n", - rtw89_read32(rtwdev, R_AX_STA_SCHEDULER_ERR_IMR)); - seq_printf(m, "R_AX_STA_SCHEDULER_ERR_ISR=0x%08x\n", - rtw89_read32(rtwdev, R_AX_STA_SCHEDULER_ERR_ISR)); + p += scnprintf(p, end - p, + "R_AX_STA_SCHEDULER_ERR_IMR=0x%08x\n", + rtw89_read32(rtwdev, R_AX_STA_SCHEDULER_ERR_IMR)); + p += scnprintf(p, end - p, + "R_AX_STA_SCHEDULER_ERR_ISR=0x%08x\n", + rtw89_read32(rtwdev, R_AX_STA_SCHEDULER_ERR_ISR)); } if (dmac_err & B_AX_WDE_DLE_ERR_FLAG) { - seq_printf(m, "R_AX_WDE_ERR_IMR=0x%08x\n", - rtw89_read32(rtwdev, R_AX_WDE_ERR_IMR)); - seq_printf(m, "R_AX_WDE_ERR_ISR=0x%08x\n", - rtw89_read32(rtwdev, R_AX_WDE_ERR_ISR)); - seq_printf(m, "R_AX_PLE_ERR_IMR=0x%08x\n", - rtw89_read32(rtwdev, R_AX_PLE_ERR_IMR)); - seq_printf(m, "R_AX_PLE_ERR_FLAG_ISR=0x%08x\n", - rtw89_read32(rtwdev, R_AX_PLE_ERR_FLAG_ISR)); + p += scnprintf(p, end - p, "R_AX_WDE_ERR_IMR=0x%08x\n", + rtw89_read32(rtwdev, R_AX_WDE_ERR_IMR)); + p += scnprintf(p, end - p, "R_AX_WDE_ERR_ISR=0x%08x\n", + rtw89_read32(rtwdev, R_AX_WDE_ERR_ISR)); + p += scnprintf(p, end - p, "R_AX_PLE_ERR_IMR=0x%08x\n", + rtw89_read32(rtwdev, R_AX_PLE_ERR_IMR)); + p += scnprintf(p, end - p, "R_AX_PLE_ERR_FLAG_ISR=0x%08x\n", + rtw89_read32(rtwdev, R_AX_PLE_ERR_FLAG_ISR)); } if (dmac_err & B_AX_TXPKTCTRL_ERR_FLAG) { if (chip->chip_id == RTL8852C) { - seq_printf(m, "R_AX_TXPKTCTL_B0_ERRFLAG_IMR=0x%08x\n", - rtw89_read32(rtwdev, R_AX_TXPKTCTL_B0_ERRFLAG_IMR)); - seq_printf(m, "R_AX_TXPKTCTL_B0_ERRFLAG_ISR=0x%08x\n", - rtw89_read32(rtwdev, R_AX_TXPKTCTL_B0_ERRFLAG_ISR)); - seq_printf(m, "R_AX_TXPKTCTL_B1_ERRFLAG_IMR=0x%08x\n", - rtw89_read32(rtwdev, R_AX_TXPKTCTL_B1_ERRFLAG_IMR)); - seq_printf(m, "R_AX_TXPKTCTL_B1_ERRFLAG_ISR=0x%08x\n", - rtw89_read32(rtwdev, R_AX_TXPKTCTL_B1_ERRFLAG_ISR)); + p += scnprintf(p, end - p, + "R_AX_TXPKTCTL_B0_ERRFLAG_IMR=0x%08x\n", + rtw89_read32(rtwdev, R_AX_TXPKTCTL_B0_ERRFLAG_IMR)); + p += scnprintf(p, end - p, + "R_AX_TXPKTCTL_B0_ERRFLAG_ISR=0x%08x\n", + rtw89_read32(rtwdev, R_AX_TXPKTCTL_B0_ERRFLAG_ISR)); + p += scnprintf(p, end - p, + "R_AX_TXPKTCTL_B1_ERRFLAG_IMR=0x%08x\n", + rtw89_read32(rtwdev, R_AX_TXPKTCTL_B1_ERRFLAG_IMR)); + p += scnprintf(p, end - p, + "R_AX_TXPKTCTL_B1_ERRFLAG_ISR=0x%08x\n", + rtw89_read32(rtwdev, R_AX_TXPKTCTL_B1_ERRFLAG_ISR)); } else { - seq_printf(m, "R_AX_TXPKTCTL_ERR_IMR_ISR=0x%08x\n", - rtw89_read32(rtwdev, R_AX_TXPKTCTL_ERR_IMR_ISR)); - seq_printf(m, "R_AX_TXPKTCTL_ERR_IMR_ISR_B1=0x%08x\n", - rtw89_read32(rtwdev, R_AX_TXPKTCTL_ERR_IMR_ISR_B1)); + p += scnprintf(p, end - p, + "R_AX_TXPKTCTL_ERR_IMR_ISR=0x%08x\n", + rtw89_read32(rtwdev, R_AX_TXPKTCTL_ERR_IMR_ISR)); + p += scnprintf(p, end - p, + "R_AX_TXPKTCTL_ERR_IMR_ISR_B1=0x%08x\n", + rtw89_read32(rtwdev, R_AX_TXPKTCTL_ERR_IMR_ISR_B1)); } } if (dmac_err & B_AX_PLE_DLE_ERR_FLAG) { - seq_printf(m, "R_AX_WDE_ERR_IMR=0x%08x\n", - rtw89_read32(rtwdev, R_AX_WDE_ERR_IMR)); - seq_printf(m, "R_AX_WDE_ERR_ISR=0x%08x\n", - rtw89_read32(rtwdev, R_AX_WDE_ERR_ISR)); - seq_printf(m, "R_AX_PLE_ERR_IMR=0x%08x\n", - rtw89_read32(rtwdev, R_AX_PLE_ERR_IMR)); - seq_printf(m, "R_AX_PLE_ERR_FLAG_ISR=0x%08x\n", - rtw89_read32(rtwdev, R_AX_PLE_ERR_FLAG_ISR)); - seq_printf(m, "R_AX_WD_CPUQ_OP_0=0x%08x\n", - rtw89_read32(rtwdev, R_AX_WD_CPUQ_OP_0)); - seq_printf(m, "R_AX_WD_CPUQ_OP_1=0x%08x\n", - rtw89_read32(rtwdev, R_AX_WD_CPUQ_OP_1)); - seq_printf(m, "R_AX_WD_CPUQ_OP_2=0x%08x\n", - rtw89_read32(rtwdev, R_AX_WD_CPUQ_OP_2)); - seq_printf(m, "R_AX_WD_CPUQ_OP_STATUS=0x%08x\n", - rtw89_read32(rtwdev, R_AX_WD_CPUQ_OP_STATUS)); - seq_printf(m, "R_AX_PL_CPUQ_OP_0=0x%08x\n", - rtw89_read32(rtwdev, R_AX_PL_CPUQ_OP_0)); - seq_printf(m, "R_AX_PL_CPUQ_OP_1=0x%08x\n", - rtw89_read32(rtwdev, R_AX_PL_CPUQ_OP_1)); - seq_printf(m, "R_AX_PL_CPUQ_OP_2=0x%08x\n", - rtw89_read32(rtwdev, R_AX_PL_CPUQ_OP_2)); - seq_printf(m, "R_AX_PL_CPUQ_OP_STATUS=0x%08x\n", - rtw89_read32(rtwdev, R_AX_PL_CPUQ_OP_STATUS)); + p += scnprintf(p, end - p, "R_AX_WDE_ERR_IMR=0x%08x\n", + rtw89_read32(rtwdev, R_AX_WDE_ERR_IMR)); + p += scnprintf(p, end - p, "R_AX_WDE_ERR_ISR=0x%08x\n", + rtw89_read32(rtwdev, R_AX_WDE_ERR_ISR)); + p += scnprintf(p, end - p, "R_AX_PLE_ERR_IMR=0x%08x\n", + rtw89_read32(rtwdev, R_AX_PLE_ERR_IMR)); + p += scnprintf(p, end - p, "R_AX_PLE_ERR_FLAG_ISR=0x%08x\n", + rtw89_read32(rtwdev, R_AX_PLE_ERR_FLAG_ISR)); + p += scnprintf(p, end - p, "R_AX_WD_CPUQ_OP_0=0x%08x\n", + rtw89_read32(rtwdev, R_AX_WD_CPUQ_OP_0)); + p += scnprintf(p, end - p, "R_AX_WD_CPUQ_OP_1=0x%08x\n", + rtw89_read32(rtwdev, R_AX_WD_CPUQ_OP_1)); + p += scnprintf(p, end - p, "R_AX_WD_CPUQ_OP_2=0x%08x\n", + rtw89_read32(rtwdev, R_AX_WD_CPUQ_OP_2)); + p += scnprintf(p, end - p, "R_AX_WD_CPUQ_OP_STATUS=0x%08x\n", + rtw89_read32(rtwdev, R_AX_WD_CPUQ_OP_STATUS)); + p += scnprintf(p, end - p, "R_AX_PL_CPUQ_OP_0=0x%08x\n", + rtw89_read32(rtwdev, R_AX_PL_CPUQ_OP_0)); + p += scnprintf(p, end - p, "R_AX_PL_CPUQ_OP_1=0x%08x\n", + rtw89_read32(rtwdev, R_AX_PL_CPUQ_OP_1)); + p += scnprintf(p, end - p, "R_AX_PL_CPUQ_OP_2=0x%08x\n", + rtw89_read32(rtwdev, R_AX_PL_CPUQ_OP_2)); + p += scnprintf(p, end - p, "R_AX_PL_CPUQ_OP_STATUS=0x%08x\n", + rtw89_read32(rtwdev, R_AX_PL_CPUQ_OP_STATUS)); if (chip->chip_id == RTL8852C) { - seq_printf(m, "R_AX_RX_CTRL0=0x%08x\n", - rtw89_read32(rtwdev, R_AX_RX_CTRL0)); - seq_printf(m, "R_AX_RX_CTRL1=0x%08x\n", - rtw89_read32(rtwdev, R_AX_RX_CTRL1)); - seq_printf(m, "R_AX_RX_CTRL2=0x%08x\n", - rtw89_read32(rtwdev, R_AX_RX_CTRL2)); + p += scnprintf(p, end - p, "R_AX_RX_CTRL0=0x%08x\n", + rtw89_read32(rtwdev, R_AX_RX_CTRL0)); + p += scnprintf(p, end - p, "R_AX_RX_CTRL1=0x%08x\n", + rtw89_read32(rtwdev, R_AX_RX_CTRL1)); + p += scnprintf(p, end - p, "R_AX_RX_CTRL2=0x%08x\n", + rtw89_read32(rtwdev, R_AX_RX_CTRL2)); } else { - seq_printf(m, "R_AX_RXDMA_PKT_INFO_0=0x%08x\n", - rtw89_read32(rtwdev, R_AX_RXDMA_PKT_INFO_0)); - seq_printf(m, "R_AX_RXDMA_PKT_INFO_1=0x%08x\n", - rtw89_read32(rtwdev, R_AX_RXDMA_PKT_INFO_1)); - seq_printf(m, "R_AX_RXDMA_PKT_INFO_2=0x%08x\n", - rtw89_read32(rtwdev, R_AX_RXDMA_PKT_INFO_2)); + p += scnprintf(p, end - p, + "R_AX_RXDMA_PKT_INFO_0=0x%08x\n", + rtw89_read32(rtwdev, R_AX_RXDMA_PKT_INFO_0)); + p += scnprintf(p, end - p, + "R_AX_RXDMA_PKT_INFO_1=0x%08x\n", + rtw89_read32(rtwdev, R_AX_RXDMA_PKT_INFO_1)); + p += scnprintf(p, end - p, + "R_AX_RXDMA_PKT_INFO_2=0x%08x\n", + rtw89_read32(rtwdev, R_AX_RXDMA_PKT_INFO_2)); } } if (dmac_err & B_AX_PKTIN_ERR_FLAG) { - seq_printf(m, "R_AX_PKTIN_ERR_IMR=0x%08x\n", - rtw89_read32(rtwdev, R_AX_PKTIN_ERR_IMR)); - seq_printf(m, "R_AX_PKTIN_ERR_ISR=0x%08x\n", - rtw89_read32(rtwdev, R_AX_PKTIN_ERR_ISR)); + p += scnprintf(p, end - p, "R_AX_PKTIN_ERR_IMR=0x%08x\n", + rtw89_read32(rtwdev, R_AX_PKTIN_ERR_IMR)); + p += scnprintf(p, end - p, "R_AX_PKTIN_ERR_ISR=0x%08x\n", + rtw89_read32(rtwdev, R_AX_PKTIN_ERR_ISR)); } if (dmac_err & B_AX_DISPATCH_ERR_FLAG) { - seq_printf(m, "R_AX_HOST_DISPATCHER_ERR_IMR=0x%08x\n", - rtw89_read32(rtwdev, R_AX_HOST_DISPATCHER_ERR_IMR)); - seq_printf(m, "R_AX_HOST_DISPATCHER_ERR_ISR=0x%08x\n", - rtw89_read32(rtwdev, R_AX_HOST_DISPATCHER_ERR_ISR)); - seq_printf(m, "R_AX_CPU_DISPATCHER_ERR_IMR=0x%08x\n", - rtw89_read32(rtwdev, R_AX_CPU_DISPATCHER_ERR_IMR)); - seq_printf(m, "R_AX_CPU_DISPATCHER_ERR_ISR=0x%08x\n", - rtw89_read32(rtwdev, R_AX_CPU_DISPATCHER_ERR_ISR)); - seq_printf(m, "R_AX_OTHER_DISPATCHER_ERR_IMR=0x%08x\n", - rtw89_read32(rtwdev, R_AX_OTHER_DISPATCHER_ERR_IMR)); - seq_printf(m, "R_AX_OTHER_DISPATCHER_ERR_ISR=0x%08x\n", - rtw89_read32(rtwdev, R_AX_OTHER_DISPATCHER_ERR_ISR)); + p += scnprintf(p, end - p, + "R_AX_HOST_DISPATCHER_ERR_IMR=0x%08x\n", + rtw89_read32(rtwdev, R_AX_HOST_DISPATCHER_ERR_IMR)); + p += scnprintf(p, end - p, + "R_AX_HOST_DISPATCHER_ERR_ISR=0x%08x\n", + rtw89_read32(rtwdev, R_AX_HOST_DISPATCHER_ERR_ISR)); + p += scnprintf(p, end - p, + "R_AX_CPU_DISPATCHER_ERR_IMR=0x%08x\n", + rtw89_read32(rtwdev, R_AX_CPU_DISPATCHER_ERR_IMR)); + p += scnprintf(p, end - p, + "R_AX_CPU_DISPATCHER_ERR_ISR=0x%08x\n", + rtw89_read32(rtwdev, R_AX_CPU_DISPATCHER_ERR_ISR)); + p += scnprintf(p, end - p, + "R_AX_OTHER_DISPATCHER_ERR_IMR=0x%08x\n", + rtw89_read32(rtwdev, R_AX_OTHER_DISPATCHER_ERR_IMR)); + p += scnprintf(p, end - p, + "R_AX_OTHER_DISPATCHER_ERR_ISR=0x%08x\n", + rtw89_read32(rtwdev, R_AX_OTHER_DISPATCHER_ERR_ISR)); } if (dmac_err & B_AX_BBRPT_ERR_FLAG) { if (chip->chip_id == RTL8852C) { - seq_printf(m, "R_AX_BBRPT_COM_ERR_IMR=0x%08x\n", - rtw89_read32(rtwdev, R_AX_BBRPT_COM_ERR_IMR)); - seq_printf(m, "R_AX_BBRPT_COM_ERR_ISR=0x%08x\n", - rtw89_read32(rtwdev, R_AX_BBRPT_COM_ERR_ISR)); - seq_printf(m, "R_AX_BBRPT_CHINFO_ERR_ISR=0x%08x\n", - rtw89_read32(rtwdev, R_AX_BBRPT_CHINFO_ERR_ISR)); - seq_printf(m, "R_AX_BBRPT_CHINFO_ERR_IMR=0x%08x\n", - rtw89_read32(rtwdev, R_AX_BBRPT_CHINFO_ERR_IMR)); - seq_printf(m, "R_AX_BBRPT_DFS_ERR_IMR=0x%08x\n", - rtw89_read32(rtwdev, R_AX_BBRPT_DFS_ERR_IMR)); - seq_printf(m, "R_AX_BBRPT_DFS_ERR_ISR=0x%08x\n", - rtw89_read32(rtwdev, R_AX_BBRPT_DFS_ERR_ISR)); + p += scnprintf(p, end - p, + "R_AX_BBRPT_COM_ERR_IMR=0x%08x\n", + rtw89_read32(rtwdev, R_AX_BBRPT_COM_ERR_IMR)); + p += scnprintf(p, end - p, + "R_AX_BBRPT_COM_ERR_ISR=0x%08x\n", + rtw89_read32(rtwdev, R_AX_BBRPT_COM_ERR_ISR)); + p += scnprintf(p, end - p, + "R_AX_BBRPT_CHINFO_ERR_ISR=0x%08x\n", + rtw89_read32(rtwdev, R_AX_BBRPT_CHINFO_ERR_ISR)); + p += scnprintf(p, end - p, + "R_AX_BBRPT_CHINFO_ERR_IMR=0x%08x\n", + rtw89_read32(rtwdev, R_AX_BBRPT_CHINFO_ERR_IMR)); + p += scnprintf(p, end - p, + "R_AX_BBRPT_DFS_ERR_IMR=0x%08x\n", + rtw89_read32(rtwdev, R_AX_BBRPT_DFS_ERR_IMR)); + p += scnprintf(p, end - p, + "R_AX_BBRPT_DFS_ERR_ISR=0x%08x\n", + rtw89_read32(rtwdev, R_AX_BBRPT_DFS_ERR_ISR)); } else { - seq_printf(m, "R_AX_BBRPT_COM_ERR_IMR_ISR=0x%08x\n", - rtw89_read32(rtwdev, R_AX_BBRPT_COM_ERR_IMR_ISR)); - seq_printf(m, "R_AX_BBRPT_CHINFO_ERR_ISR=0x%08x\n", - rtw89_read32(rtwdev, R_AX_BBRPT_CHINFO_ERR_ISR)); - seq_printf(m, "R_AX_BBRPT_CHINFO_ERR_IMR=0x%08x\n", - rtw89_read32(rtwdev, R_AX_BBRPT_CHINFO_ERR_IMR)); - seq_printf(m, "R_AX_BBRPT_DFS_ERR_IMR=0x%08x\n", - rtw89_read32(rtwdev, R_AX_BBRPT_DFS_ERR_IMR)); - seq_printf(m, "R_AX_BBRPT_DFS_ERR_ISR=0x%08x\n", - rtw89_read32(rtwdev, R_AX_BBRPT_DFS_ERR_ISR)); + p += scnprintf(p, end - p, + "R_AX_BBRPT_COM_ERR_IMR_ISR=0x%08x\n", + rtw89_read32(rtwdev, R_AX_BBRPT_COM_ERR_IMR_ISR)); + p += scnprintf(p, end - p, + "R_AX_BBRPT_CHINFO_ERR_ISR=0x%08x\n", + rtw89_read32(rtwdev, R_AX_BBRPT_CHINFO_ERR_ISR)); + p += scnprintf(p, end - p, + "R_AX_BBRPT_CHINFO_ERR_IMR=0x%08x\n", + rtw89_read32(rtwdev, R_AX_BBRPT_CHINFO_ERR_IMR)); + p += scnprintf(p, end - p, + "R_AX_BBRPT_DFS_ERR_IMR=0x%08x\n", + rtw89_read32(rtwdev, R_AX_BBRPT_DFS_ERR_IMR)); + p += scnprintf(p, end - p, + "R_AX_BBRPT_DFS_ERR_ISR=0x%08x\n", + rtw89_read32(rtwdev, R_AX_BBRPT_DFS_ERR_ISR)); } } if (dmac_err & B_AX_HAXIDMA_ERR_FLAG && chip->chip_id == RTL8852C) { - seq_printf(m, "R_AX_HAXIDMA_ERR_IMR=0x%08x\n", - rtw89_read32(rtwdev, R_AX_HAXI_IDCT_MSK)); - seq_printf(m, "R_AX_HAXIDMA_ERR_ISR=0x%08x\n", - rtw89_read32(rtwdev, R_AX_HAXI_IDCT)); + p += scnprintf(p, end - p, "R_AX_HAXIDMA_ERR_IMR=0x%08x\n", + rtw89_read32(rtwdev, R_AX_HAXI_IDCT_MSK)); + p += scnprintf(p, end - p, "R_AX_HAXIDMA_ERR_ISR=0x%08x\n", + rtw89_read32(rtwdev, R_AX_HAXI_IDCT)); } - return 0; +out: + return p - buf; } static int rtw89_debug_mac_dump_cmac_err(struct rtw89_dev *rtwdev, - struct seq_file *m, + char *buf, size_t bufsz, enum rtw89_mac_idx band) { const struct rtw89_chip_info *chip = rtwdev->chip; + char *p = buf, *end = buf + bufsz; u32 offset = 0; u32 cmac_err; int ret; @@ -1591,96 +1686,127 @@ static int rtw89_debug_mac_dump_cmac_err(struct rtw89_dev *rtwdev, ret = rtw89_mac_check_mac_en(rtwdev, band, RTW89_CMAC_SEL); if (ret) { if (band) - seq_puts(m, "[CMAC] : CMAC1 not enabled\n"); + p += scnprintf(p, end - p, + "[CMAC] : CMAC1 not enabled\n"); else - seq_puts(m, "[CMAC] : CMAC0 not enabled\n"); - return ret; + p += scnprintf(p, end - p, + "[CMAC] : CMAC0 not enabled\n"); + goto out; } if (band) offset = RTW89_MAC_AX_BAND_REG_OFFSET; cmac_err = rtw89_read32(rtwdev, R_AX_CMAC_ERR_ISR + offset); - seq_printf(m, "R_AX_CMAC_ERR_ISR [%d]=0x%08x\n", band, - rtw89_read32(rtwdev, R_AX_CMAC_ERR_ISR + offset)); - seq_printf(m, "R_AX_CMAC_FUNC_EN [%d]=0x%08x\n", band, - rtw89_read32(rtwdev, R_AX_CMAC_FUNC_EN + offset)); - seq_printf(m, "R_AX_CK_EN [%d]=0x%08x\n", band, - rtw89_read32(rtwdev, R_AX_CK_EN + offset)); + p += scnprintf(p, end - p, "R_AX_CMAC_ERR_ISR [%d]=0x%08x\n", band, + rtw89_read32(rtwdev, R_AX_CMAC_ERR_ISR + offset)); + p += scnprintf(p, end - p, "R_AX_CMAC_FUNC_EN [%d]=0x%08x\n", band, + rtw89_read32(rtwdev, R_AX_CMAC_FUNC_EN + offset)); + p += scnprintf(p, end - p, "R_AX_CK_EN [%d]=0x%08x\n", band, + rtw89_read32(rtwdev, R_AX_CK_EN + offset)); if (cmac_err & B_AX_SCHEDULE_TOP_ERR_IND) { - seq_printf(m, "R_AX_SCHEDULE_ERR_IMR [%d]=0x%08x\n", band, - rtw89_read32(rtwdev, R_AX_SCHEDULE_ERR_IMR + offset)); - seq_printf(m, "R_AX_SCHEDULE_ERR_ISR [%d]=0x%08x\n", band, - rtw89_read32(rtwdev, R_AX_SCHEDULE_ERR_ISR + offset)); + p += scnprintf(p, end - p, + "R_AX_SCHEDULE_ERR_IMR [%d]=0x%08x\n", band, + rtw89_read32(rtwdev, R_AX_SCHEDULE_ERR_IMR + offset)); + p += scnprintf(p, end - p, + "R_AX_SCHEDULE_ERR_ISR [%d]=0x%08x\n", band, + rtw89_read32(rtwdev, R_AX_SCHEDULE_ERR_ISR + offset)); } if (cmac_err & B_AX_PTCL_TOP_ERR_IND) { - seq_printf(m, "R_AX_PTCL_IMR0 [%d]=0x%08x\n", band, - rtw89_read32(rtwdev, R_AX_PTCL_IMR0 + offset)); - seq_printf(m, "R_AX_PTCL_ISR0 [%d]=0x%08x\n", band, - rtw89_read32(rtwdev, R_AX_PTCL_ISR0 + offset)); + p += scnprintf(p, end - p, "R_AX_PTCL_IMR0 [%d]=0x%08x\n", + band, + rtw89_read32(rtwdev, R_AX_PTCL_IMR0 + offset)); + p += scnprintf(p, end - p, "R_AX_PTCL_ISR0 [%d]=0x%08x\n", + band, + rtw89_read32(rtwdev, R_AX_PTCL_ISR0 + offset)); } if (cmac_err & B_AX_DMA_TOP_ERR_IND) { if (chip->chip_id == RTL8852C) { - seq_printf(m, "R_AX_RX_ERR_FLAG [%d]=0x%08x\n", band, - rtw89_read32(rtwdev, R_AX_RX_ERR_FLAG + offset)); - seq_printf(m, "R_AX_RX_ERR_FLAG_IMR [%d]=0x%08x\n", band, - rtw89_read32(rtwdev, R_AX_RX_ERR_FLAG_IMR + offset)); + p += scnprintf(p, end - p, + "R_AX_RX_ERR_FLAG [%d]=0x%08x\n", band, + rtw89_read32(rtwdev, R_AX_RX_ERR_FLAG + offset)); + p += scnprintf(p, end - p, + "R_AX_RX_ERR_FLAG_IMR [%d]=0x%08x\n", + band, + rtw89_read32(rtwdev, R_AX_RX_ERR_FLAG_IMR + offset)); } else { - seq_printf(m, "R_AX_DLE_CTRL [%d]=0x%08x\n", band, - rtw89_read32(rtwdev, R_AX_DLE_CTRL + offset)); + p += scnprintf(p, end - p, + "R_AX_DLE_CTRL [%d]=0x%08x\n", band, + rtw89_read32(rtwdev, R_AX_DLE_CTRL + offset)); } } if (cmac_err & B_AX_DMA_TOP_ERR_IND || cmac_err & B_AX_WMAC_RX_ERR_IND) { if (chip->chip_id == RTL8852C) { - seq_printf(m, "R_AX_PHYINFO_ERR_ISR [%d]=0x%08x\n", band, - rtw89_read32(rtwdev, R_AX_PHYINFO_ERR_ISR + offset)); - seq_printf(m, "R_AX_PHYINFO_ERR_IMR [%d]=0x%08x\n", band, - rtw89_read32(rtwdev, R_AX_PHYINFO_ERR_IMR + offset)); + p += scnprintf(p, end - p, + "R_AX_PHYINFO_ERR_ISR [%d]=0x%08x\n", + band, + rtw89_read32(rtwdev, R_AX_PHYINFO_ERR_ISR + offset)); + p += scnprintf(p, end - p, + "R_AX_PHYINFO_ERR_IMR [%d]=0x%08x\n", + band, + rtw89_read32(rtwdev, R_AX_PHYINFO_ERR_IMR + offset)); } else { - seq_printf(m, "R_AX_PHYINFO_ERR_IMR [%d]=0x%08x\n", band, - rtw89_read32(rtwdev, R_AX_PHYINFO_ERR_IMR + offset)); + p += scnprintf(p, end - p, + "R_AX_PHYINFO_ERR_IMR [%d]=0x%08x\n", + band, + rtw89_read32(rtwdev, R_AX_PHYINFO_ERR_IMR + offset)); } } if (cmac_err & B_AX_TXPWR_CTRL_ERR_IND) { - seq_printf(m, "R_AX_TXPWR_IMR [%d]=0x%08x\n", band, - rtw89_read32(rtwdev, R_AX_TXPWR_IMR + offset)); - seq_printf(m, "R_AX_TXPWR_ISR [%d]=0x%08x\n", band, - rtw89_read32(rtwdev, R_AX_TXPWR_ISR + offset)); + p += scnprintf(p, end - p, "R_AX_TXPWR_IMR [%d]=0x%08x\n", + band, + rtw89_read32(rtwdev, R_AX_TXPWR_IMR + offset)); + p += scnprintf(p, end - p, "R_AX_TXPWR_ISR [%d]=0x%08x\n", + band, + rtw89_read32(rtwdev, R_AX_TXPWR_ISR + offset)); } if (cmac_err & B_AX_WMAC_TX_ERR_IND) { if (chip->chip_id == RTL8852C) { - seq_printf(m, "R_AX_TRXPTCL_ERROR_INDICA [%d]=0x%08x\n", band, - rtw89_read32(rtwdev, R_AX_TRXPTCL_ERROR_INDICA + offset)); - seq_printf(m, "R_AX_TRXPTCL_ERROR_INDICA_MASK [%d]=0x%08x\n", band, - rtw89_read32(rtwdev, R_AX_TRXPTCL_ERROR_INDICA_MASK + offset)); + p += scnprintf(p, end - p, + "R_AX_TRXPTCL_ERROR_INDICA [%d]=0x%08x\n", + band, + rtw89_read32(rtwdev, + R_AX_TRXPTCL_ERROR_INDICA + offset)); + p += scnprintf(p, end - p, + "R_AX_TRXPTCL_ERROR_INDICA_MASK [%d]=0x%08x\n", + band, + rtw89_read32(rtwdev, + R_AX_TRXPTCL_ERROR_INDICA_MASK + offset)); } else { - seq_printf(m, "R_AX_TMAC_ERR_IMR_ISR [%d]=0x%08x\n", band, - rtw89_read32(rtwdev, R_AX_TMAC_ERR_IMR_ISR + offset)); + p += scnprintf(p, end - p, + "R_AX_TMAC_ERR_IMR_ISR [%d]=0x%08x\n", + band, + rtw89_read32(rtwdev, + R_AX_TMAC_ERR_IMR_ISR + offset)); } - seq_printf(m, "R_AX_DBGSEL_TRXPTCL [%d]=0x%08x\n", band, - rtw89_read32(rtwdev, R_AX_DBGSEL_TRXPTCL + offset)); + p += scnprintf(p, end - p, + "R_AX_DBGSEL_TRXPTCL [%d]=0x%08x\n", band, + rtw89_read32(rtwdev, R_AX_DBGSEL_TRXPTCL + offset)); } - seq_printf(m, "R_AX_CMAC_ERR_IMR [%d]=0x%08x\n", band, - rtw89_read32(rtwdev, R_AX_CMAC_ERR_IMR + offset)); + p += scnprintf(p, end - p, "R_AX_CMAC_ERR_IMR [%d]=0x%08x\n", band, + rtw89_read32(rtwdev, R_AX_CMAC_ERR_IMR + offset)); - return 0; +out: + return p - buf; } static int rtw89_debug_mac_dump_cmac_dbg(struct rtw89_dev *rtwdev, - struct seq_file *m) + char *buf, size_t bufsz) { - rtw89_debug_mac_dump_cmac_err(rtwdev, m, RTW89_MAC_0); + char *p = buf, *end = buf + bufsz; + + p += rtw89_debug_mac_dump_cmac_err(rtwdev, p, end - p, RTW89_MAC_0); if (rtwdev->dbcc_en) - rtw89_debug_mac_dump_cmac_err(rtwdev, m, RTW89_MAC_1); + p += rtw89_debug_mac_dump_cmac_err(rtwdev, p, end - p, RTW89_MAC_1); - return 0; + return p - buf; } static const struct rtw89_mac_dbg_port_info dbg_port_ptcl_c0 = { @@ -2486,11 +2612,12 @@ static const struct rtw89_mac_dbg_port_info dbg_port_pcie_misc2 = { .rd_msk = B_AX_DEBUG_ST_MASK }; -static const struct rtw89_mac_dbg_port_info * -rtw89_debug_mac_dbg_port_sel(struct seq_file *m, - struct rtw89_dev *rtwdev, u32 sel) +static int +rtw89_debug_mac_dbg_port_sel(struct rtw89_dev *rtwdev, char *buf, size_t bufsz, + u32 sel, const struct rtw89_mac_dbg_port_info **ppinfo) { - const struct rtw89_mac_dbg_port_info *info; + const struct rtw89_mac_dbg_port_info *info = NULL; + char *p = buf, *end = buf + bufsz; u32 index; u32 val32; u16 val16; @@ -2502,28 +2629,28 @@ rtw89_debug_mac_dbg_port_sel(struct seq_file *m, val16 = rtw89_read16(rtwdev, R_AX_PTCL_DBG); val16 |= B_AX_PTCL_DBG_EN; rtw89_write16(rtwdev, R_AX_PTCL_DBG, val16); - seq_puts(m, "Enable PTCL C0 dbgport.\n"); + p += scnprintf(p, end - p, "Enable PTCL C0 dbgport.\n"); break; case RTW89_DBG_PORT_SEL_PTCL_C1: info = &dbg_port_ptcl_c1; val16 = rtw89_read16(rtwdev, R_AX_PTCL_DBG_C1); val16 |= B_AX_PTCL_DBG_EN; rtw89_write16(rtwdev, R_AX_PTCL_DBG_C1, val16); - seq_puts(m, "Enable PTCL C1 dbgport.\n"); + p += scnprintf(p, end - p, "Enable PTCL C1 dbgport.\n"); break; case RTW89_DBG_PORT_SEL_SCH_C0: info = &dbg_port_sch_c0; val32 = rtw89_read32(rtwdev, R_AX_SCH_DBG_SEL); val32 |= B_AX_SCH_DBG_EN; rtw89_write32(rtwdev, R_AX_SCH_DBG_SEL, val32); - seq_puts(m, "Enable SCH C0 dbgport.\n"); + p += scnprintf(p, end - p, "Enable SCH C0 dbgport.\n"); break; case RTW89_DBG_PORT_SEL_SCH_C1: info = &dbg_port_sch_c1; val32 = rtw89_read32(rtwdev, R_AX_SCH_DBG_SEL_C1); val32 |= B_AX_SCH_DBG_EN; rtw89_write32(rtwdev, R_AX_SCH_DBG_SEL_C1, val32); - seq_puts(m, "Enable SCH C1 dbgport.\n"); + p += scnprintf(p, end - p, "Enable SCH C1 dbgport.\n"); break; case RTW89_DBG_PORT_SEL_TMAC_C0: info = &dbg_port_tmac_c0; @@ -2540,7 +2667,7 @@ rtw89_debug_mac_dbg_port_sel(struct seq_file *m, val32 = rtw89_read32(rtwdev, R_AX_SYS_STATUS1); val32 = u32_replace_bits(val32, MAC_DBG_SEL, B_AX_SEL_0XC0_MASK); rtw89_write32(rtwdev, R_AX_SYS_STATUS1, val32); - seq_puts(m, "Enable TMAC C0 dbgport.\n"); + p += scnprintf(p, end - p, "Enable TMAC C0 dbgport.\n"); break; case RTW89_DBG_PORT_SEL_TMAC_C1: info = &dbg_port_tmac_c1; @@ -2557,7 +2684,7 @@ rtw89_debug_mac_dbg_port_sel(struct seq_file *m, val32 = rtw89_read32(rtwdev, R_AX_SYS_STATUS1); val32 = u32_replace_bits(val32, MAC_DBG_SEL, B_AX_SEL_0XC0_MASK); rtw89_write32(rtwdev, R_AX_SYS_STATUS1, val32); - seq_puts(m, "Enable TMAC C1 dbgport.\n"); + p += scnprintf(p, end - p, "Enable TMAC C1 dbgport.\n"); break; case RTW89_DBG_PORT_SEL_RMAC_C0: info = &dbg_port_rmac_c0; @@ -2579,7 +2706,7 @@ rtw89_debug_mac_dbg_port_sel(struct seq_file *m, val8 = u8_replace_bits(val8, RMAC_CMAC_DBG_SEL, B_AX_DBGSEL_TRXPTCL_MASK); rtw89_write8(rtwdev, R_AX_DBGSEL_TRXPTCL, val8); - seq_puts(m, "Enable RMAC C0 dbgport.\n"); + p += scnprintf(p, end - p, "Enable RMAC C0 dbgport.\n"); break; case RTW89_DBG_PORT_SEL_RMAC_C1: info = &dbg_port_rmac_c1; @@ -2601,23 +2728,23 @@ rtw89_debug_mac_dbg_port_sel(struct seq_file *m, val8 = u8_replace_bits(val8, RMAC_CMAC_DBG_SEL, B_AX_DBGSEL_TRXPTCL_MASK); rtw89_write8(rtwdev, R_AX_DBGSEL_TRXPTCL_C1, val8); - seq_puts(m, "Enable RMAC C1 dbgport.\n"); + p += scnprintf(p, end - p, "Enable RMAC C1 dbgport.\n"); break; case RTW89_DBG_PORT_SEL_RMACST_C0: info = &dbg_port_rmacst_c0; - seq_puts(m, "Enable RMAC state C0 dbgport.\n"); + p += scnprintf(p, end - p, "Enable RMAC state C0 dbgport.\n"); break; case RTW89_DBG_PORT_SEL_RMACST_C1: info = &dbg_port_rmacst_c1; - seq_puts(m, "Enable RMAC state C1 dbgport.\n"); + p += scnprintf(p, end - p, "Enable RMAC state C1 dbgport.\n"); break; case RTW89_DBG_PORT_SEL_RMAC_PLCP_C0: info = &dbg_port_rmac_plcp_c0; - seq_puts(m, "Enable RMAC PLCP C0 dbgport.\n"); + p += scnprintf(p, end - p, "Enable RMAC PLCP C0 dbgport.\n"); break; case RTW89_DBG_PORT_SEL_RMAC_PLCP_C1: info = &dbg_port_rmac_plcp_c1; - seq_puts(m, "Enable RMAC PLCP C1 dbgport.\n"); + p += scnprintf(p, end - p, "Enable RMAC PLCP C1 dbgport.\n"); break; case RTW89_DBG_PORT_SEL_TRXPTCL_C0: info = &dbg_port_trxptcl_c0; @@ -2629,7 +2756,7 @@ rtw89_debug_mac_dbg_port_sel(struct seq_file *m, val32 = rtw89_read32(rtwdev, R_AX_SYS_STATUS1); val32 = u32_replace_bits(val32, MAC_DBG_SEL, B_AX_SEL_0XC0_MASK); rtw89_write32(rtwdev, R_AX_SYS_STATUS1, val32); - seq_puts(m, "Enable TRXPTCL C0 dbgport.\n"); + p += scnprintf(p, end - p, "Enable TRXPTCL C0 dbgport.\n"); break; case RTW89_DBG_PORT_SEL_TRXPTCL_C1: info = &dbg_port_trxptcl_c1; @@ -2641,131 +2768,137 @@ rtw89_debug_mac_dbg_port_sel(struct seq_file *m, val32 = rtw89_read32(rtwdev, R_AX_SYS_STATUS1); val32 = u32_replace_bits(val32, MAC_DBG_SEL, B_AX_SEL_0XC0_MASK); rtw89_write32(rtwdev, R_AX_SYS_STATUS1, val32); - seq_puts(m, "Enable TRXPTCL C1 dbgport.\n"); + p += scnprintf(p, end - p, "Enable TRXPTCL C1 dbgport.\n"); break; case RTW89_DBG_PORT_SEL_TX_INFOL_C0: info = &dbg_port_tx_infol_c0; val32 = rtw89_read32(rtwdev, R_AX_TCR1); val32 |= B_AX_TCR_FORCE_READ_TXDFIFO; rtw89_write32(rtwdev, R_AX_TCR1, val32); - seq_puts(m, "Enable tx infol dump.\n"); + p += scnprintf(p, end - p, "Enable tx infol dump.\n"); break; case RTW89_DBG_PORT_SEL_TX_INFOH_C0: info = &dbg_port_tx_infoh_c0; val32 = rtw89_read32(rtwdev, R_AX_TCR1); val32 |= B_AX_TCR_FORCE_READ_TXDFIFO; rtw89_write32(rtwdev, R_AX_TCR1, val32); - seq_puts(m, "Enable tx infoh dump.\n"); + p += scnprintf(p, end - p, "Enable tx infoh dump.\n"); break; case RTW89_DBG_PORT_SEL_TX_INFOL_C1: info = &dbg_port_tx_infol_c1; val32 = rtw89_read32(rtwdev, R_AX_TCR1_C1); val32 |= B_AX_TCR_FORCE_READ_TXDFIFO; rtw89_write32(rtwdev, R_AX_TCR1_C1, val32); - seq_puts(m, "Enable tx infol dump.\n"); + p += scnprintf(p, end - p, "Enable tx infol dump.\n"); break; case RTW89_DBG_PORT_SEL_TX_INFOH_C1: info = &dbg_port_tx_infoh_c1; val32 = rtw89_read32(rtwdev, R_AX_TCR1_C1); val32 |= B_AX_TCR_FORCE_READ_TXDFIFO; rtw89_write32(rtwdev, R_AX_TCR1_C1, val32); - seq_puts(m, "Enable tx infoh dump.\n"); + p += scnprintf(p, end - p, "Enable tx infoh dump.\n"); break; case RTW89_DBG_PORT_SEL_TXTF_INFOL_C0: info = &dbg_port_txtf_infol_c0; val32 = rtw89_read32(rtwdev, R_AX_TCR1); val32 |= B_AX_TCR_FORCE_READ_TXDFIFO; rtw89_write32(rtwdev, R_AX_TCR1, val32); - seq_puts(m, "Enable tx tf infol dump.\n"); + p += scnprintf(p, end - p, "Enable tx tf infol dump.\n"); break; case RTW89_DBG_PORT_SEL_TXTF_INFOH_C0: info = &dbg_port_txtf_infoh_c0; val32 = rtw89_read32(rtwdev, R_AX_TCR1); val32 |= B_AX_TCR_FORCE_READ_TXDFIFO; rtw89_write32(rtwdev, R_AX_TCR1, val32); - seq_puts(m, "Enable tx tf infoh dump.\n"); + p += scnprintf(p, end - p, "Enable tx tf infoh dump.\n"); break; case RTW89_DBG_PORT_SEL_TXTF_INFOL_C1: info = &dbg_port_txtf_infol_c1; val32 = rtw89_read32(rtwdev, R_AX_TCR1_C1); val32 |= B_AX_TCR_FORCE_READ_TXDFIFO; rtw89_write32(rtwdev, R_AX_TCR1_C1, val32); - seq_puts(m, "Enable tx tf infol dump.\n"); + p += scnprintf(p, end - p, "Enable tx tf infol dump.\n"); break; case RTW89_DBG_PORT_SEL_TXTF_INFOH_C1: info = &dbg_port_txtf_infoh_c1; val32 = rtw89_read32(rtwdev, R_AX_TCR1_C1); val32 |= B_AX_TCR_FORCE_READ_TXDFIFO; rtw89_write32(rtwdev, R_AX_TCR1_C1, val32); - seq_puts(m, "Enable tx tf infoh dump.\n"); + p += scnprintf(p, end - p, "Enable tx tf infoh dump.\n"); break; case RTW89_DBG_PORT_SEL_WDE_BUFMGN_FREEPG: info = &dbg_port_wde_bufmgn_freepg; - seq_puts(m, "Enable wde bufmgn freepg dump.\n"); + p += scnprintf(p, end - p, "Enable wde bufmgn freepg dump.\n"); break; case RTW89_DBG_PORT_SEL_WDE_BUFMGN_QUOTA: info = &dbg_port_wde_bufmgn_quota; - seq_puts(m, "Enable wde bufmgn quota dump.\n"); + p += scnprintf(p, end - p, "Enable wde bufmgn quota dump.\n"); break; case RTW89_DBG_PORT_SEL_WDE_BUFMGN_PAGELLT: info = &dbg_port_wde_bufmgn_pagellt; - seq_puts(m, "Enable wde bufmgn pagellt dump.\n"); + p += scnprintf(p, end - p, + "Enable wde bufmgn pagellt dump.\n"); break; case RTW89_DBG_PORT_SEL_WDE_BUFMGN_PKTINFO: info = &dbg_port_wde_bufmgn_pktinfo; - seq_puts(m, "Enable wde bufmgn pktinfo dump.\n"); + p += scnprintf(p, end - p, + "Enable wde bufmgn pktinfo dump.\n"); break; case RTW89_DBG_PORT_SEL_WDE_QUEMGN_PREPKT: info = &dbg_port_wde_quemgn_prepkt; - seq_puts(m, "Enable wde quemgn prepkt dump.\n"); + p += scnprintf(p, end - p, "Enable wde quemgn prepkt dump.\n"); break; case RTW89_DBG_PORT_SEL_WDE_QUEMGN_NXTPKT: info = &dbg_port_wde_quemgn_nxtpkt; - seq_puts(m, "Enable wde quemgn nxtpkt dump.\n"); + p += scnprintf(p, end - p, "Enable wde quemgn nxtpkt dump.\n"); break; case RTW89_DBG_PORT_SEL_WDE_QUEMGN_QLNKTBL: info = &dbg_port_wde_quemgn_qlnktbl; - seq_puts(m, "Enable wde quemgn qlnktbl dump.\n"); + p += scnprintf(p, end - p, + "Enable wde quemgn qlnktbl dump.\n"); break; case RTW89_DBG_PORT_SEL_WDE_QUEMGN_QEMPTY: info = &dbg_port_wde_quemgn_qempty; - seq_puts(m, "Enable wde quemgn qempty dump.\n"); + p += scnprintf(p, end - p, "Enable wde quemgn qempty dump.\n"); break; case RTW89_DBG_PORT_SEL_PLE_BUFMGN_FREEPG: info = &dbg_port_ple_bufmgn_freepg; - seq_puts(m, "Enable ple bufmgn freepg dump.\n"); + p += scnprintf(p, end - p, "Enable ple bufmgn freepg dump.\n"); break; case RTW89_DBG_PORT_SEL_PLE_BUFMGN_QUOTA: info = &dbg_port_ple_bufmgn_quota; - seq_puts(m, "Enable ple bufmgn quota dump.\n"); + p += scnprintf(p, end - p, "Enable ple bufmgn quota dump.\n"); break; case RTW89_DBG_PORT_SEL_PLE_BUFMGN_PAGELLT: info = &dbg_port_ple_bufmgn_pagellt; - seq_puts(m, "Enable ple bufmgn pagellt dump.\n"); + p += scnprintf(p, end - p, + "Enable ple bufmgn pagellt dump.\n"); break; case RTW89_DBG_PORT_SEL_PLE_BUFMGN_PKTINFO: info = &dbg_port_ple_bufmgn_pktinfo; - seq_puts(m, "Enable ple bufmgn pktinfo dump.\n"); + p += scnprintf(p, end - p, + "Enable ple bufmgn pktinfo dump.\n"); break; case RTW89_DBG_PORT_SEL_PLE_QUEMGN_PREPKT: info = &dbg_port_ple_quemgn_prepkt; - seq_puts(m, "Enable ple quemgn prepkt dump.\n"); + p += scnprintf(p, end - p, "Enable ple quemgn prepkt dump.\n"); break; case RTW89_DBG_PORT_SEL_PLE_QUEMGN_NXTPKT: info = &dbg_port_ple_quemgn_nxtpkt; - seq_puts(m, "Enable ple quemgn nxtpkt dump.\n"); + p += scnprintf(p, end - p, "Enable ple quemgn nxtpkt dump.\n"); break; case RTW89_DBG_PORT_SEL_PLE_QUEMGN_QLNKTBL: info = &dbg_port_ple_quemgn_qlnktbl; - seq_puts(m, "Enable ple quemgn qlnktbl dump.\n"); + p += scnprintf(p, end - p, + "Enable ple quemgn qlnktbl dump.\n"); break; case RTW89_DBG_PORT_SEL_PLE_QUEMGN_QEMPTY: info = &dbg_port_ple_quemgn_qempty; - seq_puts(m, "Enable ple quemgn qempty dump.\n"); + p += scnprintf(p, end - p, "Enable ple quemgn qempty dump.\n"); break; case RTW89_DBG_PORT_SEL_PKTINFO: info = &dbg_port_pktinfo; - seq_puts(m, "Enable pktinfo dump.\n"); + p += scnprintf(p, end - p, "Enable pktinfo dump.\n"); break; case RTW89_DBG_PORT_SEL_DSPT_HDT_TX0: rtw89_write32_mask(rtwdev, R_AX_DBG_CTRL, @@ -2784,7 +2917,8 @@ rtw89_debug_mac_dbg_port_sel(struct seq_file *m, B_AX_DISPATCHER_INTN_SEL_MASK, 0); rtw89_write16_mask(rtwdev, info->sel_addr, B_AX_DISPATCHER_CH_SEL_MASK, index); - seq_printf(m, "Enable Dispatcher hdt tx%x dump.\n", index); + p += scnprintf(p, end - p, + "Enable Dispatcher hdt tx%x dump.\n", index); break; case RTW89_DBG_PORT_SEL_DSPT_HDT_TX6: info = &dbg_port_dspt_hdt_tx6; @@ -2792,7 +2926,8 @@ rtw89_debug_mac_dbg_port_sel(struct seq_file *m, B_AX_DISPATCHER_INTN_SEL_MASK, 0); rtw89_write16_mask(rtwdev, info->sel_addr, B_AX_DISPATCHER_CH_SEL_MASK, 6); - seq_puts(m, "Enable Dispatcher hdt tx6 dump.\n"); + p += scnprintf(p, end - p, + "Enable Dispatcher hdt tx6 dump.\n"); break; case RTW89_DBG_PORT_SEL_DSPT_HDT_TX7: info = &dbg_port_dspt_hdt_tx7; @@ -2800,7 +2935,8 @@ rtw89_debug_mac_dbg_port_sel(struct seq_file *m, B_AX_DISPATCHER_INTN_SEL_MASK, 0); rtw89_write16_mask(rtwdev, info->sel_addr, B_AX_DISPATCHER_CH_SEL_MASK, 7); - seq_puts(m, "Enable Dispatcher hdt tx7 dump.\n"); + p += scnprintf(p, end - p, + "Enable Dispatcher hdt tx7 dump.\n"); break; case RTW89_DBG_PORT_SEL_DSPT_HDT_TX8: info = &dbg_port_dspt_hdt_tx8; @@ -2808,7 +2944,8 @@ rtw89_debug_mac_dbg_port_sel(struct seq_file *m, B_AX_DISPATCHER_INTN_SEL_MASK, 0); rtw89_write16_mask(rtwdev, info->sel_addr, B_AX_DISPATCHER_CH_SEL_MASK, 8); - seq_puts(m, "Enable Dispatcher hdt tx8 dump.\n"); + p += scnprintf(p, end - p, + "Enable Dispatcher hdt tx8 dump.\n"); break; case RTW89_DBG_PORT_SEL_DSPT_HDT_TX9: case RTW89_DBG_PORT_SEL_DSPT_HDT_TXA: @@ -2820,7 +2957,8 @@ rtw89_debug_mac_dbg_port_sel(struct seq_file *m, B_AX_DISPATCHER_INTN_SEL_MASK, 0); rtw89_write16_mask(rtwdev, info->sel_addr, B_AX_DISPATCHER_CH_SEL_MASK, index); - seq_printf(m, "Enable Dispatcher hdt tx%x dump.\n", index); + p += scnprintf(p, end - p, + "Enable Dispatcher hdt tx%x dump.\n", index); break; case RTW89_DBG_PORT_SEL_DSPT_HDT_TXD: info = &dbg_port_dspt_hdt_txD; @@ -2828,7 +2966,8 @@ rtw89_debug_mac_dbg_port_sel(struct seq_file *m, B_AX_DISPATCHER_INTN_SEL_MASK, 0); rtw89_write16_mask(rtwdev, info->sel_addr, B_AX_DISPATCHER_CH_SEL_MASK, 0xD); - seq_puts(m, "Enable Dispatcher hdt txD dump.\n"); + p += scnprintf(p, end - p, + "Enable Dispatcher hdt txD dump.\n"); break; case RTW89_DBG_PORT_SEL_DSPT_CDT_TX0: info = &dbg_port_dspt_cdt_tx0; @@ -2836,7 +2975,8 @@ rtw89_debug_mac_dbg_port_sel(struct seq_file *m, B_AX_DISPATCHER_INTN_SEL_MASK, 1); rtw89_write16_mask(rtwdev, info->sel_addr, B_AX_DISPATCHER_CH_SEL_MASK, 0); - seq_puts(m, "Enable Dispatcher cdt tx0 dump.\n"); + p += scnprintf(p, end - p, + "Enable Dispatcher cdt tx0 dump.\n"); break; case RTW89_DBG_PORT_SEL_DSPT_CDT_TX1: info = &dbg_port_dspt_cdt_tx1; @@ -2844,7 +2984,8 @@ rtw89_debug_mac_dbg_port_sel(struct seq_file *m, B_AX_DISPATCHER_INTN_SEL_MASK, 1); rtw89_write16_mask(rtwdev, info->sel_addr, B_AX_DISPATCHER_CH_SEL_MASK, 1); - seq_puts(m, "Enable Dispatcher cdt tx1 dump.\n"); + p += scnprintf(p, end - p, + "Enable Dispatcher cdt tx1 dump.\n"); break; case RTW89_DBG_PORT_SEL_DSPT_CDT_TX3: info = &dbg_port_dspt_cdt_tx3; @@ -2852,7 +2993,8 @@ rtw89_debug_mac_dbg_port_sel(struct seq_file *m, B_AX_DISPATCHER_INTN_SEL_MASK, 1); rtw89_write16_mask(rtwdev, info->sel_addr, B_AX_DISPATCHER_CH_SEL_MASK, 3); - seq_puts(m, "Enable Dispatcher cdt tx3 dump.\n"); + p += scnprintf(p, end - p, + "Enable Dispatcher cdt tx3 dump.\n"); break; case RTW89_DBG_PORT_SEL_DSPT_CDT_TX4: info = &dbg_port_dspt_cdt_tx4; @@ -2860,7 +3002,8 @@ rtw89_debug_mac_dbg_port_sel(struct seq_file *m, B_AX_DISPATCHER_INTN_SEL_MASK, 1); rtw89_write16_mask(rtwdev, info->sel_addr, B_AX_DISPATCHER_CH_SEL_MASK, 4); - seq_puts(m, "Enable Dispatcher cdt tx4 dump.\n"); + p += scnprintf(p, end - p, + "Enable Dispatcher cdt tx4 dump.\n"); break; case RTW89_DBG_PORT_SEL_DSPT_CDT_TX5: case RTW89_DBG_PORT_SEL_DSPT_CDT_TX6: @@ -2872,7 +3015,8 @@ rtw89_debug_mac_dbg_port_sel(struct seq_file *m, B_AX_DISPATCHER_INTN_SEL_MASK, 1); rtw89_write16_mask(rtwdev, info->sel_addr, B_AX_DISPATCHER_CH_SEL_MASK, index); - seq_printf(m, "Enable Dispatcher cdt tx%x dump.\n", index); + p += scnprintf(p, end - p, + "Enable Dispatcher cdt tx%x dump.\n", index); break; case RTW89_DBG_PORT_SEL_DSPT_CDT_TX9: info = &dbg_port_dspt_cdt_tx9; @@ -2880,7 +3024,8 @@ rtw89_debug_mac_dbg_port_sel(struct seq_file *m, B_AX_DISPATCHER_INTN_SEL_MASK, 1); rtw89_write16_mask(rtwdev, info->sel_addr, B_AX_DISPATCHER_CH_SEL_MASK, 9); - seq_puts(m, "Enable Dispatcher cdt tx9 dump.\n"); + p += scnprintf(p, end - p, + "Enable Dispatcher cdt tx9 dump.\n"); break; case RTW89_DBG_PORT_SEL_DSPT_CDT_TXA: case RTW89_DBG_PORT_SEL_DSPT_CDT_TXB: @@ -2891,7 +3036,8 @@ rtw89_debug_mac_dbg_port_sel(struct seq_file *m, B_AX_DISPATCHER_INTN_SEL_MASK, 1); rtw89_write16_mask(rtwdev, info->sel_addr, B_AX_DISPATCHER_CH_SEL_MASK, index); - seq_printf(m, "Enable Dispatcher cdt tx%x dump.\n", index); + p += scnprintf(p, end - p, + "Enable Dispatcher cdt tx%x dump.\n", index); break; case RTW89_DBG_PORT_SEL_DSPT_HDT_RX0: info = &dbg_port_dspt_hdt_rx0; @@ -2899,7 +3045,8 @@ rtw89_debug_mac_dbg_port_sel(struct seq_file *m, B_AX_DISPATCHER_INTN_SEL_MASK, 2); rtw89_write16_mask(rtwdev, info->sel_addr, B_AX_DISPATCHER_CH_SEL_MASK, 0); - seq_puts(m, "Enable Dispatcher hdt rx0 dump.\n"); + p += scnprintf(p, end - p, + "Enable Dispatcher hdt rx0 dump.\n"); break; case RTW89_DBG_PORT_SEL_DSPT_HDT_RX1: case RTW89_DBG_PORT_SEL_DSPT_HDT_RX2: @@ -2909,7 +3056,8 @@ rtw89_debug_mac_dbg_port_sel(struct seq_file *m, B_AX_DISPATCHER_INTN_SEL_MASK, 2); rtw89_write16_mask(rtwdev, info->sel_addr, B_AX_DISPATCHER_CH_SEL_MASK, index); - seq_printf(m, "Enable Dispatcher hdt rx%x dump.\n", index); + p += scnprintf(p, end - p, + "Enable Dispatcher hdt rx%x dump.\n", index); break; case RTW89_DBG_PORT_SEL_DSPT_HDT_RX3: info = &dbg_port_dspt_hdt_rx3; @@ -2917,7 +3065,8 @@ rtw89_debug_mac_dbg_port_sel(struct seq_file *m, B_AX_DISPATCHER_INTN_SEL_MASK, 2); rtw89_write16_mask(rtwdev, info->sel_addr, B_AX_DISPATCHER_CH_SEL_MASK, 3); - seq_puts(m, "Enable Dispatcher hdt rx3 dump.\n"); + p += scnprintf(p, end - p, + "Enable Dispatcher hdt rx3 dump.\n"); break; case RTW89_DBG_PORT_SEL_DSPT_HDT_RX4: info = &dbg_port_dspt_hdt_rx4; @@ -2925,7 +3074,8 @@ rtw89_debug_mac_dbg_port_sel(struct seq_file *m, B_AX_DISPATCHER_INTN_SEL_MASK, 2); rtw89_write16_mask(rtwdev, info->sel_addr, B_AX_DISPATCHER_CH_SEL_MASK, 4); - seq_puts(m, "Enable Dispatcher hdt rx4 dump.\n"); + p += scnprintf(p, end - p, + "Enable Dispatcher hdt rx4 dump.\n"); break; case RTW89_DBG_PORT_SEL_DSPT_HDT_RX5: info = &dbg_port_dspt_hdt_rx5; @@ -2933,7 +3083,8 @@ rtw89_debug_mac_dbg_port_sel(struct seq_file *m, B_AX_DISPATCHER_INTN_SEL_MASK, 2); rtw89_write16_mask(rtwdev, info->sel_addr, B_AX_DISPATCHER_CH_SEL_MASK, 5); - seq_puts(m, "Enable Dispatcher hdt rx5 dump.\n"); + p += scnprintf(p, end - p, + "Enable Dispatcher hdt rx5 dump.\n"); break; case RTW89_DBG_PORT_SEL_DSPT_CDT_RX_P0_0: info = &dbg_port_dspt_cdt_rx_p0_0; @@ -2941,7 +3092,8 @@ rtw89_debug_mac_dbg_port_sel(struct seq_file *m, B_AX_DISPATCHER_INTN_SEL_MASK, 3); rtw89_write16_mask(rtwdev, info->sel_addr, B_AX_DISPATCHER_CH_SEL_MASK, 0); - seq_puts(m, "Enable Dispatcher cdt rx part0 0 dump.\n"); + p += scnprintf(p, end - p, + "Enable Dispatcher cdt rx part0 0 dump.\n"); break; case RTW89_DBG_PORT_SEL_DSPT_CDT_RX_P0: case RTW89_DBG_PORT_SEL_DSPT_CDT_RX_P0_1: @@ -2950,7 +3102,8 @@ rtw89_debug_mac_dbg_port_sel(struct seq_file *m, B_AX_DISPATCHER_INTN_SEL_MASK, 3); rtw89_write16_mask(rtwdev, info->sel_addr, B_AX_DISPATCHER_CH_SEL_MASK, 1); - seq_puts(m, "Enable Dispatcher cdt rx part0 1 dump.\n"); + p += scnprintf(p, end - p, + "Enable Dispatcher cdt rx part0 1 dump.\n"); break; case RTW89_DBG_PORT_SEL_DSPT_CDT_RX_P0_2: info = &dbg_port_dspt_cdt_rx_p0_2; @@ -2958,43 +3111,50 @@ rtw89_debug_mac_dbg_port_sel(struct seq_file *m, B_AX_DISPATCHER_INTN_SEL_MASK, 3); rtw89_write16_mask(rtwdev, info->sel_addr, B_AX_DISPATCHER_CH_SEL_MASK, 2); - seq_puts(m, "Enable Dispatcher cdt rx part0 2 dump.\n"); + p += scnprintf(p, end - p, + "Enable Dispatcher cdt rx part0 2 dump.\n"); break; case RTW89_DBG_PORT_SEL_DSPT_CDT_RX_P1: info = &dbg_port_dspt_cdt_rx_p1; rtw89_write8_mask(rtwdev, info->sel_addr, B_AX_DISPATCHER_INTN_SEL_MASK, 3); - seq_puts(m, "Enable Dispatcher cdt rx part1 dump.\n"); + p += scnprintf(p, end - p, + "Enable Dispatcher cdt rx part1 dump.\n"); break; case RTW89_DBG_PORT_SEL_DSPT_STF_CTRL: info = &dbg_port_dspt_stf_ctrl; rtw89_write8_mask(rtwdev, info->sel_addr, B_AX_DISPATCHER_INTN_SEL_MASK, 4); - seq_puts(m, "Enable Dispatcher stf control dump.\n"); + p += scnprintf(p, end - p, + "Enable Dispatcher stf control dump.\n"); break; case RTW89_DBG_PORT_SEL_DSPT_ADDR_CTRL: info = &dbg_port_dspt_addr_ctrl; rtw89_write8_mask(rtwdev, info->sel_addr, B_AX_DISPATCHER_INTN_SEL_MASK, 5); - seq_puts(m, "Enable Dispatcher addr control dump.\n"); + p += scnprintf(p, end - p, + "Enable Dispatcher addr control dump.\n"); break; case RTW89_DBG_PORT_SEL_DSPT_WDE_INTF: info = &dbg_port_dspt_wde_intf; rtw89_write8_mask(rtwdev, info->sel_addr, B_AX_DISPATCHER_INTN_SEL_MASK, 6); - seq_puts(m, "Enable Dispatcher wde interface dump.\n"); + p += scnprintf(p, end - p, + "Enable Dispatcher wde interface dump.\n"); break; case RTW89_DBG_PORT_SEL_DSPT_PLE_INTF: info = &dbg_port_dspt_ple_intf; rtw89_write8_mask(rtwdev, info->sel_addr, B_AX_DISPATCHER_INTN_SEL_MASK, 7); - seq_puts(m, "Enable Dispatcher ple interface dump.\n"); + p += scnprintf(p, end - p, + "Enable Dispatcher ple interface dump.\n"); break; case RTW89_DBG_PORT_SEL_DSPT_FLOW_CTRL: info = &dbg_port_dspt_flow_ctrl; rtw89_write8_mask(rtwdev, info->sel_addr, B_AX_DISPATCHER_INTN_SEL_MASK, 8); - seq_puts(m, "Enable Dispatcher flow control dump.\n"); + p += scnprintf(p, end - p, + "Enable Dispatcher flow control dump.\n"); break; case RTW89_DBG_PORT_SEL_PCIE_TXDMA: info = &dbg_port_pcie_txdma; @@ -3002,7 +3162,7 @@ rtw89_debug_mac_dbg_port_sel(struct seq_file *m, val32 = u32_replace_bits(val32, PCIE_TXDMA_DBG_SEL, B_AX_DBG_SEL0); val32 = u32_replace_bits(val32, PCIE_TXDMA_DBG_SEL, B_AX_DBG_SEL1); rtw89_write32(rtwdev, R_AX_DBG_CTRL, val32); - seq_puts(m, "Enable pcie txdma dump.\n"); + p += scnprintf(p, end - p, "Enable pcie txdma dump.\n"); break; case RTW89_DBG_PORT_SEL_PCIE_RXDMA: info = &dbg_port_pcie_rxdma; @@ -3010,7 +3170,7 @@ rtw89_debug_mac_dbg_port_sel(struct seq_file *m, val32 = u32_replace_bits(val32, PCIE_RXDMA_DBG_SEL, B_AX_DBG_SEL0); val32 = u32_replace_bits(val32, PCIE_RXDMA_DBG_SEL, B_AX_DBG_SEL1); rtw89_write32(rtwdev, R_AX_DBG_CTRL, val32); - seq_puts(m, "Enable pcie rxdma dump.\n"); + p += scnprintf(p, end - p, "Enable pcie rxdma dump.\n"); break; case RTW89_DBG_PORT_SEL_PCIE_CVT: info = &dbg_port_pcie_cvt; @@ -3018,7 +3178,7 @@ rtw89_debug_mac_dbg_port_sel(struct seq_file *m, val32 = u32_replace_bits(val32, PCIE_CVT_DBG_SEL, B_AX_DBG_SEL0); val32 = u32_replace_bits(val32, PCIE_CVT_DBG_SEL, B_AX_DBG_SEL1); rtw89_write32(rtwdev, R_AX_DBG_CTRL, val32); - seq_puts(m, "Enable pcie cvt dump.\n"); + p += scnprintf(p, end - p, "Enable pcie cvt dump.\n"); break; case RTW89_DBG_PORT_SEL_PCIE_CXPL: info = &dbg_port_pcie_cxpl; @@ -3026,7 +3186,7 @@ rtw89_debug_mac_dbg_port_sel(struct seq_file *m, val32 = u32_replace_bits(val32, PCIE_CXPL_DBG_SEL, B_AX_DBG_SEL0); val32 = u32_replace_bits(val32, PCIE_CXPL_DBG_SEL, B_AX_DBG_SEL1); rtw89_write32(rtwdev, R_AX_DBG_CTRL, val32); - seq_puts(m, "Enable pcie cxpl dump.\n"); + p += scnprintf(p, end - p, "Enable pcie cxpl dump.\n"); break; case RTW89_DBG_PORT_SEL_PCIE_IO: info = &dbg_port_pcie_io; @@ -3034,7 +3194,7 @@ rtw89_debug_mac_dbg_port_sel(struct seq_file *m, val32 = u32_replace_bits(val32, PCIE_IO_DBG_SEL, B_AX_DBG_SEL0); val32 = u32_replace_bits(val32, PCIE_IO_DBG_SEL, B_AX_DBG_SEL1); rtw89_write32(rtwdev, R_AX_DBG_CTRL, val32); - seq_puts(m, "Enable pcie io dump.\n"); + p += scnprintf(p, end - p, "Enable pcie io dump.\n"); break; case RTW89_DBG_PORT_SEL_PCIE_MISC: info = &dbg_port_pcie_misc; @@ -3042,7 +3202,7 @@ rtw89_debug_mac_dbg_port_sel(struct seq_file *m, val32 = u32_replace_bits(val32, PCIE_MISC_DBG_SEL, B_AX_DBG_SEL0); val32 = u32_replace_bits(val32, PCIE_MISC_DBG_SEL, B_AX_DBG_SEL1); rtw89_write32(rtwdev, R_AX_DBG_CTRL, val32); - seq_puts(m, "Enable pcie misc dump.\n"); + p += scnprintf(p, end - p, "Enable pcie misc dump.\n"); break; case RTW89_DBG_PORT_SEL_PCIE_MISC2: info = &dbg_port_pcie_misc2; @@ -3050,14 +3210,16 @@ rtw89_debug_mac_dbg_port_sel(struct seq_file *m, val16 = u16_replace_bits(val16, PCIE_MISC2_DBG_SEL, B_AX_PCIE_DBG_SEL_MASK); rtw89_write16(rtwdev, R_AX_PCIE_DBG_CTRL, val16); - seq_puts(m, "Enable pcie misc2 dump.\n"); + p += scnprintf(p, end - p, "Enable pcie misc2 dump.\n"); break; default: - seq_puts(m, "Dbg port select err\n"); - return NULL; + p += scnprintf(p, end - p, "Dbg port select err\n"); + break; } - return info; + *ppinfo = info; + + return p - buf; } static bool is_dbg_port_valid(struct rtw89_dev *rtwdev, u32 sel) @@ -3091,23 +3253,25 @@ static bool is_dbg_port_valid(struct rtw89_dev *rtwdev, u32 sel) } static int rtw89_debug_mac_dbg_port_dump(struct rtw89_dev *rtwdev, - struct seq_file *m, u32 sel) + char *buf, size_t bufsz, u32 sel) { - const struct rtw89_mac_dbg_port_info *info; - u8 val8; - u16 val16; + const struct rtw89_mac_dbg_port_info *info = NULL; + char *p = buf, *end = buf + bufsz; u32 val32; + u16 val16; + u8 val8; u32 i; - info = rtw89_debug_mac_dbg_port_sel(m, rtwdev, sel); + p += rtw89_debug_mac_dbg_port_sel(rtwdev, p, end - p, sel, &info); + if (!info) { rtw89_err(rtwdev, "failed to select debug port %d\n", sel); - return -EINVAL; + goto out; } #define case_DBG_SEL(__sel) \ case RTW89_DBG_PORT_SEL_##__sel: \ - seq_puts(m, "Dump debug port " #__sel ":\n"); \ + p += scnprintf(p, end - p, "Dump debug port " #__sel ":\n"); \ break switch (sel) { @@ -3203,8 +3367,8 @@ static int rtw89_debug_mac_dbg_port_dump(struct rtw89_dev *rtwdev, #undef case_DBG_SEL - seq_printf(m, "Sel addr = 0x%X\n", info->sel_addr); - seq_printf(m, "Read addr = 0x%X\n", info->rd_addr); + p += scnprintf(p, end - p, "Sel addr = 0x%X\n", info->sel_addr); + p += scnprintf(p, end - p, "Read addr = 0x%X\n", info->rd_addr); for (i = info->srt; i <= info->end; i++) { switch (info->sel_byte) { @@ -3212,17 +3376,17 @@ static int rtw89_debug_mac_dbg_port_dump(struct rtw89_dev *rtwdev, default: rtw89_write8_mask(rtwdev, info->sel_addr, info->sel_msk, i); - seq_printf(m, "0x%02X: ", i); + p += scnprintf(p, end - p, "0x%02X: ", i); break; case 2: rtw89_write16_mask(rtwdev, info->sel_addr, info->sel_msk, i); - seq_printf(m, "0x%04X: ", i); + p += scnprintf(p, end - p, "0x%04X: ", i); break; case 4: rtw89_write32_mask(rtwdev, info->sel_addr, info->sel_msk, i); - seq_printf(m, "0x%04X: ", i); + p += scnprintf(p, end - p, "0x%04X: ", i); break; } @@ -3233,77 +3397,75 @@ static int rtw89_debug_mac_dbg_port_dump(struct rtw89_dev *rtwdev, default: val8 = rtw89_read8_mask(rtwdev, info->rd_addr, info->rd_msk); - seq_printf(m, "0x%02X\n", val8); + p += scnprintf(p, end - p, "0x%02X\n", val8); break; case 2: val16 = rtw89_read16_mask(rtwdev, info->rd_addr, info->rd_msk); - seq_printf(m, "0x%04X\n", val16); + p += scnprintf(p, end - p, "0x%04X\n", val16); break; case 4: val32 = rtw89_read32_mask(rtwdev, info->rd_addr, info->rd_msk); - seq_printf(m, "0x%08X\n", val32); + p += scnprintf(p, end - p, "0x%08X\n", val32); break; } } - return 0; +out: + return p - buf; } static int rtw89_debug_mac_dump_dbg_port(struct rtw89_dev *rtwdev, - struct seq_file *m) + char *buf, size_t bufsz) { + char *p = buf, *end = buf + bufsz; + ssize_t n; u32 sel; - int ret = 0; for (sel = RTW89_DBG_PORT_SEL_PTCL_C0; sel < RTW89_DBG_PORT_SEL_LAST; sel++) { if (!is_dbg_port_valid(rtwdev, sel)) continue; - ret = rtw89_debug_mac_dbg_port_dump(rtwdev, m, sel); - if (ret) { + n = rtw89_debug_mac_dbg_port_dump(rtwdev, p, end - p, sel); + if (n < 0) { rtw89_err(rtwdev, "failed to dump debug port %d\n", sel); break; } + p += n; } - return ret; + return p - buf; } -static int -rtw89_debug_priv_mac_dbg_port_dump_get(struct seq_file *m, void *v) +static ssize_t +rtw89_debug_priv_mac_dbg_port_dump_get(struct rtw89_dev *rtwdev, + struct rtw89_debugfs_priv *debugfs_priv, + char *buf, size_t bufsz) { - struct rtw89_debugfs_priv *debugfs_priv = m->private; - struct rtw89_dev *rtwdev = debugfs_priv->rtwdev; + char *p = buf, *end = buf + bufsz; if (debugfs_priv->dbgpkg_en.ss_dbg) - rtw89_debug_mac_dump_ss_dbg(rtwdev, m); + p += rtw89_debug_mac_dump_ss_dbg(rtwdev, p, end - p); if (debugfs_priv->dbgpkg_en.dle_dbg) - rtw89_debug_mac_dump_dle_dbg(rtwdev, m); + p += rtw89_debug_mac_dump_dle_dbg(rtwdev, p, end - p); if (debugfs_priv->dbgpkg_en.dmac_dbg) - rtw89_debug_mac_dump_dmac_dbg(rtwdev, m); + p += rtw89_debug_mac_dump_dmac_dbg(rtwdev, p, end - p); if (debugfs_priv->dbgpkg_en.cmac_dbg) - rtw89_debug_mac_dump_cmac_dbg(rtwdev, m); + p += rtw89_debug_mac_dump_cmac_dbg(rtwdev, p, end - p); if (debugfs_priv->dbgpkg_en.dbg_port) - rtw89_debug_mac_dump_dbg_port(rtwdev, m); + p += rtw89_debug_mac_dump_dbg_port(rtwdev, p, end - p); - return 0; + return p - buf; }; -static u8 *rtw89_hex2bin_user(struct rtw89_dev *rtwdev, - const char __user *user_buf, size_t count) +static u8 *rtw89_hex2bin(struct rtw89_dev *rtwdev, const char *buf, size_t count) { - char *buf; u8 *bin; int num; int err = 0; - buf = memdup_user(user_buf, count); - if (IS_ERR(buf)) - return buf; - num = count / 2; bin = kmalloc(num, GFP_KERNEL); if (!bin) { @@ -3318,22 +3480,18 @@ static u8 *rtw89_hex2bin_user(struct rtw89_dev *rtwdev, } out: - kfree(buf); - return err ? ERR_PTR(err) : bin; } -static ssize_t rtw89_debug_priv_send_h2c_set(struct file *filp, - const char __user *user_buf, - size_t count, loff_t *loff) +static ssize_t rtw89_debug_priv_send_h2c_set(struct rtw89_dev *rtwdev, + struct rtw89_debugfs_priv *debugfs_priv, + const char *buf, size_t count) { - struct rtw89_debugfs_priv *debugfs_priv = filp->private_data; - struct rtw89_dev *rtwdev = debugfs_priv->rtwdev; u8 *h2c; int ret; u16 h2c_len = count / 2; - h2c = rtw89_hex2bin_user(rtwdev, user_buf, count); + h2c = rtw89_hex2bin(rtwdev, buf, count); if (IS_ERR(h2c)) return -EFAULT; @@ -3344,34 +3502,36 @@ static ssize_t rtw89_debug_priv_send_h2c_set(struct file *filp, return ret ? ret : count; } -static int -rtw89_debug_priv_early_h2c_get(struct seq_file *m, void *v) +static ssize_t +rtw89_debug_priv_early_h2c_get(struct rtw89_dev *rtwdev, + struct rtw89_debugfs_priv *debugfs_priv, + char *buf, size_t bufsz) { - struct rtw89_debugfs_priv *debugfs_priv = m->private; - struct rtw89_dev *rtwdev = debugfs_priv->rtwdev; struct rtw89_early_h2c *early_h2c; + char *p = buf, *end = buf + bufsz; int seq = 0; - mutex_lock(&rtwdev->mutex); + lockdep_assert_wiphy(rtwdev->hw->wiphy); + list_for_each_entry(early_h2c, &rtwdev->early_h2c_list, list) - seq_printf(m, "%d: %*ph\n", ++seq, early_h2c->h2c_len, early_h2c->h2c); - mutex_unlock(&rtwdev->mutex); + p += scnprintf(p, end - p, "%d: %*ph\n", ++seq, + early_h2c->h2c_len, early_h2c->h2c); - return 0; + return p - buf; } static ssize_t -rtw89_debug_priv_early_h2c_set(struct file *filp, const char __user *user_buf, - size_t count, loff_t *loff) +rtw89_debug_priv_early_h2c_set(struct rtw89_dev *rtwdev, + struct rtw89_debugfs_priv *debugfs_priv, + const char *buf, size_t count) { - struct seq_file *m = (struct seq_file *)filp->private_data; - struct rtw89_debugfs_priv *debugfs_priv = m->private; - struct rtw89_dev *rtwdev = debugfs_priv->rtwdev; struct rtw89_early_h2c *early_h2c; u8 *h2c; u16 h2c_len = count / 2; - h2c = rtw89_hex2bin_user(rtwdev, user_buf, count); + lockdep_assert_wiphy(rtwdev->hw->wiphy); + + h2c = rtw89_hex2bin(rtwdev, buf, count); if (IS_ERR(h2c)) return -EFAULT; @@ -3390,9 +3550,7 @@ rtw89_debug_priv_early_h2c_set(struct file *filp, const char __user *user_buf, early_h2c->h2c = h2c; early_h2c->h2c_len = h2c_len; - mutex_lock(&rtwdev->mutex); list_add_tail(&early_h2c->list, &rtwdev->early_h2c_list); - mutex_unlock(&rtwdev->mutex); out: return count; @@ -3425,15 +3583,16 @@ static int rtw89_dbg_trigger_ctrl_error(struct rtw89_dev *rtwdev) return 0; } -static int -rtw89_debug_priv_fw_crash_get(struct seq_file *m, void *v) +static ssize_t +rtw89_debug_priv_fw_crash_get(struct rtw89_dev *rtwdev, + struct rtw89_debugfs_priv *debugfs_priv, + char *buf, size_t bufsz) { - struct rtw89_debugfs_priv *debugfs_priv = m->private; - struct rtw89_dev *rtwdev = debugfs_priv->rtwdev; + char *p = buf, *end = buf + bufsz; - seq_printf(m, "%d\n", - test_bit(RTW89_FLAG_CRASH_SIMULATING, rtwdev->flags)); - return 0; + p += scnprintf(p, end - p, "%d\n", + test_bit(RTW89_FLAG_CRASH_SIMULATING, rtwdev->flags)); + return p - buf; } enum rtw89_dbg_crash_simulation_type { @@ -3442,23 +3601,23 @@ enum rtw89_dbg_crash_simulation_type { }; static ssize_t -rtw89_debug_priv_fw_crash_set(struct file *filp, const char __user *user_buf, - size_t count, loff_t *loff) +rtw89_debug_priv_fw_crash_set(struct rtw89_dev *rtwdev, + struct rtw89_debugfs_priv *debugfs_priv, + const char *buf, size_t count) { - struct seq_file *m = (struct seq_file *)filp->private_data; - struct rtw89_debugfs_priv *debugfs_priv = m->private; - struct rtw89_dev *rtwdev = debugfs_priv->rtwdev; int (*sim)(struct rtw89_dev *rtwdev); u8 crash_type; int ret; - ret = kstrtou8_from_user(user_buf, count, 0, &crash_type); + lockdep_assert_wiphy(rtwdev->hw->wiphy); + + ret = kstrtou8(buf, 0, &crash_type); if (ret) return -EINVAL; switch (crash_type) { case RTW89_DBG_SIM_CPU_EXCEPTION: - if (!RTW89_CHK_FW_FEATURE(CRASH_TRIGGER, &rtwdev->fw)) + if (!RTW89_CHK_FW_FEATURE_GROUP(CRASH_TRIGGER, &rtwdev->fw)) return -EOPNOTSUPP; sim = rtw89_fw_h2c_trigger_cpu_exception; break; @@ -3469,10 +3628,8 @@ rtw89_debug_priv_fw_crash_set(struct file *filp, const char __user *user_buf, return -EINVAL; } - mutex_lock(&rtwdev->mutex); set_bit(RTW89_FLAG_CRASH_SIMULATING, rtwdev->flags); ret = sim(rtwdev); - mutex_unlock(&rtwdev->mutex); if (ret) return ret; @@ -3480,27 +3637,22 @@ rtw89_debug_priv_fw_crash_set(struct file *filp, const char __user *user_buf, return count; } -static int rtw89_debug_priv_btc_info_get(struct seq_file *m, void *v) +static ssize_t rtw89_debug_priv_btc_info_get(struct rtw89_dev *rtwdev, + struct rtw89_debugfs_priv *debugfs_priv, + char *buf, size_t bufsz) { - struct rtw89_debugfs_priv *debugfs_priv = m->private; - struct rtw89_dev *rtwdev = debugfs_priv->rtwdev; - - rtw89_btc_dump_info(rtwdev, m); - - return 0; + return rtw89_btc_dump_info(rtwdev, buf, bufsz); } -static ssize_t rtw89_debug_priv_btc_manual_set(struct file *filp, - const char __user *user_buf, - size_t count, loff_t *loff) +static ssize_t rtw89_debug_priv_btc_manual_set(struct rtw89_dev *rtwdev, + struct rtw89_debugfs_priv *debugfs_priv, + const char *buf, size_t count) { - struct rtw89_debugfs_priv *debugfs_priv = filp->private_data; - struct rtw89_dev *rtwdev = debugfs_priv->rtwdev; struct rtw89_btc *btc = &rtwdev->btc; const struct rtw89_btc_ver *ver = btc->ver; int ret; - ret = kstrtobool_from_user(user_buf, count, &btc->manual_ctrl); + ret = kstrtobool(buf, &btc->manual_ctrl); if (ret) return ret; @@ -3512,31 +3664,29 @@ static ssize_t rtw89_debug_priv_btc_manual_set(struct file *filp, return count; } -static ssize_t rtw89_debug_priv_fw_log_manual_set(struct file *filp, - const char __user *user_buf, - size_t count, loff_t *loff) +static ssize_t rtw89_debug_priv_fw_log_manual_set(struct rtw89_dev *rtwdev, + struct rtw89_debugfs_priv *debugfs_priv, + const char *buf, size_t count) { - struct rtw89_debugfs_priv *debugfs_priv = filp->private_data; - struct rtw89_dev *rtwdev = debugfs_priv->rtwdev; struct rtw89_fw_log *log = &rtwdev->fw.log; bool fw_log_manual; - if (kstrtobool_from_user(user_buf, count, &fw_log_manual)) + lockdep_assert_wiphy(rtwdev->hw->wiphy); + + if (kstrtobool(buf, &fw_log_manual)) goto out; - mutex_lock(&rtwdev->mutex); log->enable = fw_log_manual; if (log->enable) rtw89_fw_log_prepare(rtwdev); rtw89_fw_h2c_fw_log(rtwdev, fw_log_manual); - mutex_unlock(&rtwdev->mutex); out: return count; } -static void rtw89_sta_link_info_get_iter(struct seq_file *m, - struct rtw89_dev *rtwdev, - struct rtw89_sta_link *rtwsta_link) +static int rtw89_sta_link_info_get_iter(struct rtw89_dev *rtwdev, + char *buf, size_t bufsz, + struct rtw89_sta_link *rtwsta_link) { static const char * const he_gi_str[] = { [NL80211_RATE_INFO_HE_GI_0_8] = "0.8", @@ -3554,6 +3704,7 @@ static void rtw89_sta_link_info_get_iter(struct seq_file *m, u8 ant_num = hal->ant_diversity ? 2 : rtwdev->chip->rf_path_num; bool ant_asterisk = hal->tx_path_diversity || hal->ant_diversity; struct ieee80211_link_sta *link_sta; + char *p = buf, *end = buf + bufsz; u8 evm_min, evm_max, evm_1ss; u16 max_rc_amsdu_len; u8 rssi; @@ -3567,107 +3718,136 @@ static void rtw89_sta_link_info_get_iter(struct seq_file *m, rcu_read_unlock(); - seq_printf(m, "TX rate [%u, %u]: ", rtwsta_link->mac_id, rtwsta_link->link_id); + p += scnprintf(p, end - p, "TX rate [%u, %u]: ", rtwsta_link->mac_id, + rtwsta_link->link_id); if (rate->flags & RATE_INFO_FLAGS_MCS) - seq_printf(m, "HT MCS-%d%s", rate->mcs, - rate->flags & RATE_INFO_FLAGS_SHORT_GI ? " SGI" : ""); + p += scnprintf(p, end - p, "HT MCS-%d%s", rate->mcs, + rate->flags & RATE_INFO_FLAGS_SHORT_GI ? " SGI" : ""); else if (rate->flags & RATE_INFO_FLAGS_VHT_MCS) - seq_printf(m, "VHT %dSS MCS-%d%s", rate->nss, rate->mcs, - rate->flags & RATE_INFO_FLAGS_SHORT_GI ? " SGI" : ""); + p += scnprintf(p, end - p, "VHT %dSS MCS-%d%s", rate->nss, + rate->mcs, + rate->flags & RATE_INFO_FLAGS_SHORT_GI ? " SGI" : ""); else if (rate->flags & RATE_INFO_FLAGS_HE_MCS) - seq_printf(m, "HE %dSS MCS-%d GI:%s", rate->nss, rate->mcs, - rate->he_gi <= NL80211_RATE_INFO_HE_GI_3_2 ? - he_gi_str[rate->he_gi] : "N/A"); + p += scnprintf(p, end - p, "HE %dSS MCS-%d GI:%s", rate->nss, + rate->mcs, + rate->he_gi <= NL80211_RATE_INFO_HE_GI_3_2 ? + he_gi_str[rate->he_gi] : "N/A"); else if (rate->flags & RATE_INFO_FLAGS_EHT_MCS) - seq_printf(m, "EHT %dSS MCS-%d GI:%s", rate->nss, rate->mcs, - rate->eht_gi < ARRAY_SIZE(eht_gi_str) ? - eht_gi_str[rate->eht_gi] : "N/A"); + p += scnprintf(p, end - p, "EHT %dSS MCS-%d GI:%s", rate->nss, + rate->mcs, + rate->eht_gi < ARRAY_SIZE(eht_gi_str) ? + eht_gi_str[rate->eht_gi] : "N/A"); else - seq_printf(m, "Legacy %d", rate->legacy); - seq_printf(m, "%s", rtwsta_link->ra_report.might_fallback_legacy ? " FB_G" : ""); - seq_printf(m, " BW:%u", rtw89_rate_info_bw_to_mhz(rate->bw)); - seq_printf(m, " (hw_rate=0x%x)", rtwsta_link->ra_report.hw_rate); - seq_printf(m, " ==> agg_wait=%d (%d)\n", rtwsta_link->max_agg_wait, - max_rc_amsdu_len); - - seq_printf(m, "RX rate [%u, %u]: ", rtwsta_link->mac_id, rtwsta_link->link_id); + p += scnprintf(p, end - p, "Legacy %d", rate->legacy); + p += scnprintf(p, end - p, "%s", + rtwsta_link->ra_report.might_fallback_legacy ? " FB_G" : ""); + p += scnprintf(p, end - p, " BW:%u", + rtw89_rate_info_bw_to_mhz(rate->bw)); + p += scnprintf(p, end - p, " (hw_rate=0x%x)", + rtwsta_link->ra_report.hw_rate); + p += scnprintf(p, end - p, " ==> agg_wait=%d (%d)\n", + rtwsta_link->max_agg_wait, + max_rc_amsdu_len); + + p += scnprintf(p, end - p, "RX rate [%u, %u]: ", rtwsta_link->mac_id, + rtwsta_link->link_id); switch (status->encoding) { case RX_ENC_LEGACY: - seq_printf(m, "Legacy %d", status->rate_idx + - (status->band != NL80211_BAND_2GHZ ? 4 : 0)); + p += scnprintf(p, end - p, "Legacy %d", status->rate_idx + + (status->band != NL80211_BAND_2GHZ ? 4 : 0)); break; case RX_ENC_HT: - seq_printf(m, "HT MCS-%d%s", status->rate_idx, - status->enc_flags & RX_ENC_FLAG_SHORT_GI ? " SGI" : ""); + p += scnprintf(p, end - p, "HT MCS-%d%s", status->rate_idx, + status->enc_flags & RX_ENC_FLAG_SHORT_GI ? " SGI" : ""); break; case RX_ENC_VHT: - seq_printf(m, "VHT %dSS MCS-%d%s", status->nss, status->rate_idx, - status->enc_flags & RX_ENC_FLAG_SHORT_GI ? " SGI" : ""); + p += scnprintf(p, end - p, "VHT %dSS MCS-%d%s", status->nss, + status->rate_idx, + status->enc_flags & RX_ENC_FLAG_SHORT_GI ? " SGI" : ""); break; case RX_ENC_HE: - seq_printf(m, "HE %dSS MCS-%d GI:%s", status->nss, status->rate_idx, - status->he_gi <= NL80211_RATE_INFO_HE_GI_3_2 ? - he_gi_str[status->he_gi] : "N/A"); + p += scnprintf(p, end - p, "HE %dSS MCS-%d GI:%s", + status->nss, status->rate_idx, + status->he_gi <= NL80211_RATE_INFO_HE_GI_3_2 ? + he_gi_str[status->he_gi] : "N/A"); break; case RX_ENC_EHT: - seq_printf(m, "EHT %dSS MCS-%d GI:%s", status->nss, status->rate_idx, - status->eht.gi < ARRAY_SIZE(eht_gi_str) ? - eht_gi_str[status->eht.gi] : "N/A"); + p += scnprintf(p, end - p, "EHT %dSS MCS-%d GI:%s", + status->nss, status->rate_idx, + status->eht.gi < ARRAY_SIZE(eht_gi_str) ? + eht_gi_str[status->eht.gi] : "N/A"); break; } - seq_printf(m, " BW:%u", rtw89_rate_info_bw_to_mhz(status->bw)); - seq_printf(m, " (hw_rate=0x%x)\n", rtwsta_link->rx_hw_rate); + p += scnprintf(p, end - p, " BW:%u", + rtw89_rate_info_bw_to_mhz(status->bw)); + p += scnprintf(p, end - p, " (hw_rate=0x%x)\n", + rtwsta_link->rx_hw_rate); rssi = ewma_rssi_read(&rtwsta_link->avg_rssi); - seq_printf(m, "RSSI: %d dBm (raw=%d, prev=%d) [", - RTW89_RSSI_RAW_TO_DBM(rssi), rssi, rtwsta_link->prev_rssi); + p += scnprintf(p, end - p, "RSSI: %d dBm (raw=%d, prev=%d) [", + RTW89_RSSI_RAW_TO_DBM(rssi), rssi, + rtwsta_link->prev_rssi); for (i = 0; i < ant_num; i++) { rssi = ewma_rssi_read(&rtwsta_link->rssi[i]); - seq_printf(m, "%d%s%s", RTW89_RSSI_RAW_TO_DBM(rssi), - ant_asterisk && (hal->antenna_tx & BIT(i)) ? "*" : "", - i + 1 == ant_num ? "" : ", "); + p += scnprintf(p, end - p, "%d%s%s", + RTW89_RSSI_RAW_TO_DBM(rssi), + ant_asterisk && (hal->antenna_tx & BIT(i)) ? "*" : "", + i + 1 == ant_num ? "" : ", "); } - seq_puts(m, "]\n"); + p += scnprintf(p, end - p, "]\n"); evm_1ss = ewma_evm_read(&rtwsta_link->evm_1ss); - seq_printf(m, "EVM: [%2u.%02u, ", evm_1ss >> 2, (evm_1ss & 0x3) * 25); + p += scnprintf(p, end - p, "EVM: [%2u.%02u, ", evm_1ss >> 2, + (evm_1ss & 0x3) * 25); for (i = 0; i < (hal->ant_diversity ? 2 : 1); i++) { evm_min = ewma_evm_read(&rtwsta_link->evm_min[i]); evm_max = ewma_evm_read(&rtwsta_link->evm_max[i]); - seq_printf(m, "%s(%2u.%02u, %2u.%02u)", i == 0 ? "" : " ", - evm_min >> 2, (evm_min & 0x3) * 25, - evm_max >> 2, (evm_max & 0x3) * 25); + p += scnprintf(p, end - p, "%s(%2u.%02u, %2u.%02u)", + i == 0 ? "" : " ", + evm_min >> 2, (evm_min & 0x3) * 25, + evm_max >> 2, (evm_max & 0x3) * 25); } - seq_puts(m, "]\t"); + p += scnprintf(p, end - p, "]\t"); snr = ewma_snr_read(&rtwsta_link->avg_snr); - seq_printf(m, "SNR: %u\n", snr); + p += scnprintf(p, end - p, "SNR: %u\n", snr); + + return p - buf; } static void rtw89_sta_info_get_iter(void *data, struct ieee80211_sta *sta) { - struct seq_file *m = (struct seq_file *)data; + struct rtw89_debugfs_iter_data *iter_data = + (struct rtw89_debugfs_iter_data *)data; struct rtw89_sta *rtwsta = sta_to_rtwsta(sta); struct rtw89_dev *rtwdev = rtwsta->rtwdev; struct rtw89_sta_link *rtwsta_link; + size_t bufsz = iter_data->bufsz; + char *buf = iter_data->buf; + char *p = buf, *end = buf + bufsz; unsigned int link_id; rtw89_sta_for_each_link(rtwsta, rtwsta_link, link_id) - rtw89_sta_link_info_get_iter(m, rtwdev, rtwsta_link); + p += rtw89_sta_link_info_get_iter(rtwdev, p, end - p, rtwsta_link); + + rtw89_debugfs_iter_data_next(iter_data, p, end - p, p - buf); } -static void -rtw89_debug_append_rx_rate(struct seq_file *m, struct rtw89_pkt_stat *pkt_stat, +static int +rtw89_debug_append_rx_rate(char *buf, size_t bufsz, struct rtw89_pkt_stat *pkt_stat, enum rtw89_hw_rate first_rate, int len) { + char *p = buf, *end = buf + bufsz; int i; for (i = 0; i < len; i++) - seq_printf(m, "%s%u", i == 0 ? "" : ", ", - pkt_stat->rx_rate_cnt[first_rate + i]); + p += scnprintf(p, end - p, "%s%u", i == 0 ? "" : ", ", + pkt_stat->rx_rate_cnt[first_rate + i]); + + return p - buf; } #define FIRST_RATE_SAME(rate) {RTW89_HW_RATE_ ## rate, RTW89_HW_RATE_ ## rate} @@ -3692,34 +3872,40 @@ static const struct rtw89_rx_rate_cnt_info { {FIRST_RATE_GEV1(EHT_NSS2_MCS0), 14, 0, "EHT 2SS:"}, }; -static int rtw89_debug_priv_phy_info_get(struct seq_file *m, void *v) +static ssize_t rtw89_debug_priv_phy_info_get(struct rtw89_dev *rtwdev, + struct rtw89_debugfs_priv *debugfs_priv, + char *buf, size_t bufsz) { - struct rtw89_debugfs_priv *debugfs_priv = m->private; - struct rtw89_dev *rtwdev = debugfs_priv->rtwdev; struct rtw89_traffic_stats *stats = &rtwdev->stats; struct rtw89_pkt_stat *pkt_stat = &rtwdev->phystat.last_pkt_stat; const struct rtw89_chip_info *chip = rtwdev->chip; + struct rtw89_debugfs_iter_data iter_data; const struct rtw89_rx_rate_cnt_info *info; struct rtw89_hal *hal = &rtwdev->hal; + char *p = buf, *end = buf + bufsz; enum rtw89_hw_rate first_rate; u8 rssi; int i; rssi = ewma_rssi_read(&rtwdev->phystat.bcn_rssi); - seq_printf(m, "TP TX: %u [%u] Mbps (lv: %d", - stats->tx_throughput, stats->tx_throughput_raw, stats->tx_tfc_lv); + p += scnprintf(p, end - p, "TP TX: %u [%u] Mbps (lv: %d", + stats->tx_throughput, stats->tx_throughput_raw, + stats->tx_tfc_lv); if (hal->thermal_prot_lv) - seq_printf(m, ", duty: %d%%", - 100 - hal->thermal_prot_lv * RTW89_THERMAL_PROT_STEP); - seq_printf(m, "), RX: %u [%u] Mbps (lv: %d)\n", - stats->rx_throughput, stats->rx_throughput_raw, stats->rx_tfc_lv); - seq_printf(m, "Beacon: %u (%d dBm), TF: %u\n", pkt_stat->beacon_nr, - RTW89_RSSI_RAW_TO_DBM(rssi), stats->rx_tf_periodic); - seq_printf(m, "Avg packet length: TX=%u, RX=%u\n", stats->tx_avg_len, - stats->rx_avg_len); - - seq_puts(m, "RX count:\n"); + p += scnprintf(p, end - p, ", duty: %d%%", + 100 - hal->thermal_prot_lv * RTW89_THERMAL_PROT_STEP); + p += scnprintf(p, end - p, "), RX: %u [%u] Mbps (lv: %d)\n", + stats->rx_throughput, stats->rx_throughput_raw, + stats->rx_tfc_lv); + p += scnprintf(p, end - p, "Beacon: %u (%d dBm), TF: %u\n", + pkt_stat->beacon_nr, + RTW89_RSSI_RAW_TO_DBM(rssi), stats->rx_tf_periodic); + p += scnprintf(p, end - p, "Avg packet length: TX=%u, RX=%u\n", + stats->tx_avg_len, + stats->rx_avg_len); + + p += scnprintf(p, end - p, "RX count:\n"); for (i = 0; i < ARRAY_SIZE(rtw89_rx_rate_cnt_infos); i++) { info = &rtw89_rx_rate_cnt_infos[i]; @@ -3727,189 +3913,279 @@ static int rtw89_debug_priv_phy_info_get(struct seq_file *m, void *v) if (first_rate >= RTW89_HW_RATE_NR) continue; - seq_printf(m, "%10s [", info->rate_mode); - rtw89_debug_append_rx_rate(m, pkt_stat, - first_rate, info->len); + p += scnprintf(p, end - p, "%10s [", info->rate_mode); + p += rtw89_debug_append_rx_rate(p, end - p, pkt_stat, + first_rate, info->len); if (info->ext) { - seq_puts(m, "]["); - rtw89_debug_append_rx_rate(m, pkt_stat, - first_rate + info->len, info->ext); + p += scnprintf(p, end - p, "]["); + p += rtw89_debug_append_rx_rate(p, end - p, pkt_stat, + first_rate + info->len, info->ext); } - seq_puts(m, "]\n"); + p += scnprintf(p, end - p, "]\n"); } - ieee80211_iterate_stations_atomic(rtwdev->hw, rtw89_sta_info_get_iter, m); + rtw89_debugfs_iter_data_setup(&iter_data, p, end - p); + ieee80211_iterate_stations_atomic(rtwdev->hw, rtw89_sta_info_get_iter, &iter_data); + p += iter_data.written_sz; - return 0; + return p - buf; } -static void rtw89_dump_addr_cam(struct seq_file *m, - struct rtw89_dev *rtwdev, - struct rtw89_addr_cam_entry *addr_cam) +static int rtw89_dump_addr_cam(struct rtw89_dev *rtwdev, + char *buf, size_t bufsz, + struct rtw89_addr_cam_entry *addr_cam) { struct rtw89_cam_info *cam_info = &rtwdev->cam_info; const struct rtw89_sec_cam_entry *sec_entry; + char *p = buf, *end = buf + bufsz; u8 sec_cam_idx; int i; - seq_printf(m, "\taddr_cam_idx=%u\n", addr_cam->addr_cam_idx); - seq_printf(m, "\t-> bssid_cam_idx=%u\n", addr_cam->bssid_cam_idx); - seq_printf(m, "\tsec_cam_bitmap=%*ph\n", (int)sizeof(addr_cam->sec_cam_map), - addr_cam->sec_cam_map); + p += scnprintf(p, end - p, "\taddr_cam_idx=%u\n", + addr_cam->addr_cam_idx); + p += scnprintf(p, end - p, "\t-> bssid_cam_idx=%u\n", + addr_cam->bssid_cam_idx); + p += scnprintf(p, end - p, "\tsec_cam_bitmap=%*ph\n", + (int)sizeof(addr_cam->sec_cam_map), + addr_cam->sec_cam_map); for_each_set_bit(i, addr_cam->sec_cam_map, RTW89_SEC_CAM_IN_ADDR_CAM) { sec_cam_idx = addr_cam->sec_ent[i]; sec_entry = cam_info->sec_entries[sec_cam_idx]; if (!sec_entry) continue; - seq_printf(m, "\tsec[%d]: sec_cam_idx %u", i, sec_entry->sec_cam_idx); + p += scnprintf(p, end - p, "\tsec[%d]: sec_cam_idx %u", i, + sec_entry->sec_cam_idx); if (sec_entry->ext_key) - seq_printf(m, ", %u", sec_entry->sec_cam_idx + 1); - seq_puts(m, "\n"); + p += scnprintf(p, end - p, ", %u", + sec_entry->sec_cam_idx + 1); + p += scnprintf(p, end - p, "\n"); } + + return p - buf; } -__printf(3, 4) -static void rtw89_dump_pkt_offload(struct seq_file *m, struct list_head *pkt_list, - const char *fmt, ...) +__printf(4, 5) +static int rtw89_dump_pkt_offload(char *buf, size_t bufsz, struct list_head *pkt_list, + const char *fmt, ...) { + char *p = buf, *end = buf + bufsz; struct rtw89_pktofld_info *info; struct va_format vaf; va_list args; if (list_empty(pkt_list)) - return; + return 0; va_start(args, fmt); vaf.va = &args; vaf.fmt = fmt; - seq_printf(m, "%pV", &vaf); + p += scnprintf(p, end - p, "%pV", &vaf); va_end(args); list_for_each_entry(info, pkt_list, list) - seq_printf(m, "%d ", info->id); + p += scnprintf(p, end - p, "%d ", info->id); + + p += scnprintf(p, end - p, "\n"); - seq_puts(m, "\n"); + return p - buf; } -static void rtw89_vif_link_ids_get(struct seq_file *m, u8 *mac, - struct rtw89_dev *rtwdev, - struct rtw89_vif_link *rtwvif_link) +static int rtw89_vif_link_ids_get(struct rtw89_dev *rtwdev, + char *buf, size_t bufsz, u8 *mac, + struct rtw89_vif_link *rtwvif_link, + bool designated) { struct rtw89_bssid_cam_entry *bssid_cam = &rtwvif_link->bssid_cam; - - seq_printf(m, " [%u] %pM\n", rtwvif_link->mac_id, rtwvif_link->mac_addr); - seq_printf(m, "\tlink_id=%u\n", rtwvif_link->link_id); - seq_printf(m, "\tbssid_cam_idx=%u\n", bssid_cam->bssid_cam_idx); - rtw89_dump_addr_cam(m, rtwdev, &rtwvif_link->addr_cam); - rtw89_dump_pkt_offload(m, &rtwvif_link->general_pkt_list, - "\tpkt_ofld[GENERAL]: "); + char *p = buf, *end = buf + bufsz; + + p += scnprintf(p, end - p, " [%u] %pM\n", rtwvif_link->mac_id, + rtwvif_link->mac_addr); + p += scnprintf(p, end - p, "\tlink_id=%u%s\n", rtwvif_link->link_id, + designated ? " (*)" : ""); + p += scnprintf(p, end - p, "\tbssid_cam_idx=%u\n", + bssid_cam->bssid_cam_idx); + p += rtw89_dump_addr_cam(rtwdev, p, end - p, &rtwvif_link->addr_cam); + p += rtw89_dump_pkt_offload(p, end - p, &rtwvif_link->general_pkt_list, + "\tpkt_ofld[GENERAL]: "); + + return p - buf; } static void rtw89_vif_ids_get_iter(void *data, u8 *mac, struct ieee80211_vif *vif) { - struct seq_file *m = (struct seq_file *)data; + struct rtw89_debugfs_iter_data *iter_data = + (struct rtw89_debugfs_iter_data *)data; struct rtw89_vif *rtwvif = vif_to_rtwvif(vif); struct rtw89_dev *rtwdev = rtwvif->rtwdev; + struct rtw89_vif_link *designated_link; struct rtw89_vif_link *rtwvif_link; + size_t bufsz = iter_data->bufsz; + char *buf = iter_data->buf; + char *p = buf, *end = buf + bufsz; unsigned int link_id; - seq_printf(m, "VIF %pM\n", rtwvif->mac_addr); + designated_link = rtw89_get_designated_link(rtwvif); + + p += scnprintf(p, end - p, "VIF %pM\n", rtwvif->mac_addr); rtw89_vif_for_each_link(rtwvif, rtwvif_link, link_id) - rtw89_vif_link_ids_get(m, mac, rtwdev, rtwvif_link); + p += rtw89_vif_link_ids_get(rtwdev, p, end - p, mac, rtwvif_link, + rtwvif_link == designated_link); + + rtw89_debugfs_iter_data_next(iter_data, p, end - p, p - buf); } -static void rtw89_dump_ba_cam(struct seq_file *m, struct rtw89_dev *rtwdev, - struct rtw89_sta_link *rtwsta_link) +static int rtw89_dump_ba_cam(struct rtw89_dev *rtwdev, + char *buf, size_t bufsz, + struct rtw89_sta_link *rtwsta_link) { struct rtw89_ba_cam_entry *entry; + char *p = buf, *end = buf + bufsz; bool first = true; list_for_each_entry(entry, &rtwsta_link->ba_cam_list, list) { if (first) { - seq_puts(m, "\tba_cam "); + p += scnprintf(p, end - p, "\tba_cam "); first = false; } else { - seq_puts(m, ", "); + p += scnprintf(p, end - p, ", "); } - seq_printf(m, "tid[%u]=%d", entry->tid, - (int)(entry - rtwdev->cam_info.ba_cam_entry)); + p += scnprintf(p, end - p, "tid[%u]=%d", entry->tid, + (int)(entry - rtwdev->cam_info.ba_cam_entry)); } - seq_puts(m, "\n"); + p += scnprintf(p, end - p, "\n"); + + return p - buf; } -static void rtw89_sta_link_ids_get(struct seq_file *m, - struct rtw89_dev *rtwdev, - struct rtw89_sta_link *rtwsta_link) +static int rtw89_sta_link_ids_get(struct rtw89_dev *rtwdev, + char *buf, size_t bufsz, + struct rtw89_sta_link *rtwsta_link, + bool designated) { struct ieee80211_link_sta *link_sta; + char *p = buf, *end = buf + bufsz; rcu_read_lock(); link_sta = rtw89_sta_rcu_dereference_link(rtwsta_link, true); - seq_printf(m, " [%u] %pM\n", rtwsta_link->mac_id, link_sta->addr); + p += scnprintf(p, end - p, " [%u] %pM\n", rtwsta_link->mac_id, + link_sta->addr); rcu_read_unlock(); - seq_printf(m, "\tlink_id=%u\n", rtwsta_link->link_id); - rtw89_dump_addr_cam(m, rtwdev, &rtwsta_link->addr_cam); - rtw89_dump_ba_cam(m, rtwdev, rtwsta_link); + p += scnprintf(p, end - p, "\tlink_id=%u%s\n", rtwsta_link->link_id, + designated ? " (*)" : ""); + p += rtw89_dump_addr_cam(rtwdev, p, end - p, &rtwsta_link->addr_cam); + p += rtw89_dump_ba_cam(rtwdev, p, end - p, rtwsta_link); + + return p - buf; } static void rtw89_sta_ids_get_iter(void *data, struct ieee80211_sta *sta) { - struct seq_file *m = (struct seq_file *)data; + struct rtw89_debugfs_iter_data *iter_data = + (struct rtw89_debugfs_iter_data *)data; struct rtw89_sta *rtwsta = sta_to_rtwsta(sta); struct rtw89_dev *rtwdev = rtwsta->rtwdev; + struct rtw89_sta_link *designated_link; struct rtw89_sta_link *rtwsta_link; + size_t bufsz = iter_data->bufsz; + char *buf = iter_data->buf; + char *p = buf, *end = buf + bufsz; unsigned int link_id; - seq_printf(m, "STA %pM %s\n", sta->addr, sta->tdls ? "(TDLS)" : ""); + designated_link = rtw89_get_designated_link(rtwsta); + + p += scnprintf(p, end - p, "STA %pM %s\n", sta->addr, + sta->tdls ? "(TDLS)" : ""); rtw89_sta_for_each_link(rtwsta, rtwsta_link, link_id) - rtw89_sta_link_ids_get(m, rtwdev, rtwsta_link); + p += rtw89_sta_link_ids_get(rtwdev, p, end - p, rtwsta_link, + rtwsta_link == designated_link); + + rtw89_debugfs_iter_data_next(iter_data, p, end - p, p - buf); } -static int rtw89_debug_priv_stations_get(struct seq_file *m, void *v) +static ssize_t rtw89_debug_priv_stations_get(struct rtw89_dev *rtwdev, + struct rtw89_debugfs_priv *debugfs_priv, + char *buf, size_t bufsz) { - struct rtw89_debugfs_priv *debugfs_priv = m->private; - struct rtw89_dev *rtwdev = debugfs_priv->rtwdev; struct rtw89_cam_info *cam_info = &rtwdev->cam_info; + struct rtw89_debugfs_iter_data iter_data; + char *p = buf, *end = buf + bufsz; u8 idx; - mutex_lock(&rtwdev->mutex); - - seq_puts(m, "map:\n"); - seq_printf(m, "\tmac_id: %*ph\n", (int)sizeof(rtwdev->mac_id_map), - rtwdev->mac_id_map); - seq_printf(m, "\taddr_cam: %*ph\n", (int)sizeof(cam_info->addr_cam_map), - cam_info->addr_cam_map); - seq_printf(m, "\tbssid_cam: %*ph\n", (int)sizeof(cam_info->bssid_cam_map), - cam_info->bssid_cam_map); - seq_printf(m, "\tsec_cam: %*ph\n", (int)sizeof(cam_info->sec_cam_map), - cam_info->sec_cam_map); - seq_printf(m, "\tba_cam: %*ph\n", (int)sizeof(cam_info->ba_cam_map), - cam_info->ba_cam_map); - seq_printf(m, "\tpkt_ofld: %*ph\n", (int)sizeof(rtwdev->pkt_offload), - rtwdev->pkt_offload); + lockdep_assert_wiphy(rtwdev->hw->wiphy); + + p += scnprintf(p, end - p, "map:\n"); + p += scnprintf(p, end - p, "\tmac_id: %*ph\n", + (int)sizeof(rtwdev->mac_id_map), + rtwdev->mac_id_map); + p += scnprintf(p, end - p, "\taddr_cam: %*ph\n", + (int)sizeof(cam_info->addr_cam_map), + cam_info->addr_cam_map); + p += scnprintf(p, end - p, "\tbssid_cam: %*ph\n", + (int)sizeof(cam_info->bssid_cam_map), + cam_info->bssid_cam_map); + p += scnprintf(p, end - p, "\tsec_cam: %*ph\n", + (int)sizeof(cam_info->sec_cam_map), + cam_info->sec_cam_map); + p += scnprintf(p, end - p, "\tba_cam: %*ph\n", + (int)sizeof(cam_info->ba_cam_map), + cam_info->ba_cam_map); + p += scnprintf(p, end - p, "\tpkt_ofld: %*ph\n", + (int)sizeof(rtwdev->pkt_offload), + rtwdev->pkt_offload); for (idx = NL80211_BAND_2GHZ; idx < NUM_NL80211_BANDS; idx++) { if (!(rtwdev->chip->support_bands & BIT(idx))) continue; - rtw89_dump_pkt_offload(m, &rtwdev->scan_info.pkt_list[idx], - "\t\t[SCAN %u]: ", idx); + p += rtw89_dump_pkt_offload(p, end - p, &rtwdev->scan_info.pkt_list[idx], + "\t\t[SCAN %u]: ", idx); } + rtw89_debugfs_iter_data_setup(&iter_data, p, end - p); ieee80211_iterate_active_interfaces_atomic(rtwdev->hw, - IEEE80211_IFACE_ITER_NORMAL, rtw89_vif_ids_get_iter, m); + IEEE80211_IFACE_ITER_NORMAL, rtw89_vif_ids_get_iter, &iter_data); + p += iter_data.written_sz; + + rtw89_debugfs_iter_data_setup(&iter_data, p, end - p); + ieee80211_iterate_stations_atomic(rtwdev->hw, rtw89_sta_ids_get_iter, &iter_data); + p += iter_data.written_sz; - ieee80211_iterate_stations_atomic(rtwdev->hw, rtw89_sta_ids_get_iter, m); + return p - buf; +} - mutex_unlock(&rtwdev->mutex); +static void rtw89_debug_disable_dm_cfg_bmap(struct rtw89_dev *rtwdev, u32 new) +{ + struct rtw89_hal *hal = &rtwdev->hal; + u32 old = hal->disabled_dm_bitmap; - return 0; + if (new == old) + return; + + hal->disabled_dm_bitmap = new; + + rtw89_debug(rtwdev, RTW89_DBG_STATE, "Disable DM: 0x%x -> 0x%x\n", old, new); +} + +static void rtw89_debug_disable_dm_set_flag(struct rtw89_dev *rtwdev, u8 flag) +{ + struct rtw89_hal *hal = &rtwdev->hal; + u32 cur = hal->disabled_dm_bitmap; + + rtw89_debug_disable_dm_cfg_bmap(rtwdev, cur | BIT(flag)); +} + +static void rtw89_debug_disable_dm_clr_flag(struct rtw89_dev *rtwdev, u8 flag) +{ + struct rtw89_hal *hal = &rtwdev->hal; + u32 cur = hal->disabled_dm_bitmap; + + rtw89_debug_disable_dm_cfg_bmap(rtwdev, cur & ~BIT(flag)); } #define DM_INFO(type) {RTW89_DM_ ## type, #type} @@ -3920,92 +4196,187 @@ static const struct rtw89_disabled_dm_info { } rtw89_disabled_dm_infos[] = { DM_INFO(DYNAMIC_EDCCA), DM_INFO(THERMAL_PROTECT), + DM_INFO(TAS), + DM_INFO(MLO), }; -static int -rtw89_debug_priv_disable_dm_get(struct seq_file *m, void *v) +static ssize_t +rtw89_debug_priv_disable_dm_get(struct rtw89_dev *rtwdev, + struct rtw89_debugfs_priv *debugfs_priv, + char *buf, size_t bufsz) { - struct rtw89_debugfs_priv *debugfs_priv = m->private; - struct rtw89_dev *rtwdev = debugfs_priv->rtwdev; const struct rtw89_disabled_dm_info *info; struct rtw89_hal *hal = &rtwdev->hal; + char *p = buf, *end = buf + bufsz; u32 disabled; int i; - seq_printf(m, "Disabled DM: 0x%x\n", hal->disabled_dm_bitmap); + p += scnprintf(p, end - p, "Disabled DM: 0x%x\n", + hal->disabled_dm_bitmap); for (i = 0; i < ARRAY_SIZE(rtw89_disabled_dm_infos); i++) { info = &rtw89_disabled_dm_infos[i]; disabled = BIT(info->type) & hal->disabled_dm_bitmap; - seq_printf(m, "[%d] %s: %c\n", info->type, info->name, - disabled ? 'X' : 'O'); + p += scnprintf(p, end - p, "[%d] %s: %c\n", info->type, + info->name, + disabled ? 'X' : 'O'); } - return 0; + return p - buf; } static ssize_t -rtw89_debug_priv_disable_dm_set(struct file *filp, const char __user *user_buf, - size_t count, loff_t *loff) +rtw89_debug_priv_disable_dm_set(struct rtw89_dev *rtwdev, + struct rtw89_debugfs_priv *debugfs_priv, + const char *buf, size_t count) { - struct seq_file *m = (struct seq_file *)filp->private_data; - struct rtw89_debugfs_priv *debugfs_priv = m->private; - struct rtw89_dev *rtwdev = debugfs_priv->rtwdev; - struct rtw89_hal *hal = &rtwdev->hal; u32 conf; int ret; - ret = kstrtou32_from_user(user_buf, count, 0, &conf); + ret = kstrtou32(buf, 0, &conf); if (ret) return -EINVAL; - hal->disabled_dm_bitmap = conf; + rtw89_debug_disable_dm_cfg_bmap(rtwdev, conf); + + return count; +} + +static void rtw89_debug_mlo_mode_set_mlsr(struct rtw89_dev *rtwdev, + unsigned int link_id) +{ + struct ieee80211_vif *vif; + struct rtw89_vif *rtwvif; + + rtw89_for_each_rtwvif(rtwdev, rtwvif) { + vif = rtwvif_to_vif(rtwvif); + if (!ieee80211_vif_is_mld(vif)) + continue; + + rtw89_core_mlsr_switch(rtwdev, rtwvif, link_id); + } +} + +static ssize_t +rtw89_debug_priv_mlo_mode_get(struct rtw89_dev *rtwdev, + struct rtw89_debugfs_priv *debugfs_priv, + char *buf, size_t bufsz) +{ + bool mlo_dm_dis = rtwdev->hal.disabled_dm_bitmap & BIT(RTW89_DM_MLO); + char *p = buf, *end = buf + bufsz; + struct ieee80211_vif *vif; + struct rtw89_vif *rtwvif; + int count = 0; + + p += scnprintf(p, end - p, "MLD(s) status: (MLO DM: %s)\n", + str_disable_enable(mlo_dm_dis)); + + rtw89_for_each_rtwvif(rtwdev, rtwvif) { + vif = rtwvif_to_vif(rtwvif); + if (!ieee80211_vif_is_mld(vif)) + continue; + + p += scnprintf(p, end - p, + "\t#%u: MLO mode %x, valid 0x%x, active 0x%x\n", + count++, rtwvif->mlo_mode, vif->valid_links, + vif->active_links); + } + + if (count == 0) + p += scnprintf(p, end - p, "\t(None)\n"); + + return p - buf; +} + +static ssize_t +rtw89_debug_priv_mlo_mode_set(struct rtw89_dev *rtwdev, + struct rtw89_debugfs_priv *debugfs_priv, + const char *buf, size_t count) +{ + u8 num, mlo_mode; + u32 argv; + + num = sscanf(buf, "%hhx %u", &mlo_mode, &argv); + if (num != 2) + return -EINVAL; + + rtw89_debug_disable_dm_set_flag(rtwdev, RTW89_DM_MLO); + + rtw89_debug(rtwdev, RTW89_DBG_STATE, "Set MLO mode to %x\n", mlo_mode); + + switch (mlo_mode) { + case RTW89_MLO_MODE_MLSR: + rtw89_debug_mlo_mode_set_mlsr(rtwdev, argv); + break; + default: + rtw89_debug(rtwdev, RTW89_DBG_STATE, "Unsupported MLO mode\n"); + rtw89_debug_disable_dm_clr_flag(rtwdev, RTW89_DM_MLO); + + return -EOPNOTSUPP; + } return count; } -#define rtw89_debug_priv_get(name) \ +#define rtw89_debug_priv_get(name, opts...) \ { \ .cb_read = rtw89_debug_priv_ ##name## _get, \ + .opt = { opts }, \ } -#define rtw89_debug_priv_set(name) \ +#define rtw89_debug_priv_set(name, opts...) \ { \ .cb_write = rtw89_debug_priv_ ##name## _set, \ + .opt = { opts }, \ } -#define rtw89_debug_priv_select_and_get(name) \ +#define rtw89_debug_priv_select_and_get(name, opts...) \ { \ .cb_write = rtw89_debug_priv_ ##name## _select, \ .cb_read = rtw89_debug_priv_ ##name## _get, \ + .opt = { opts }, \ } -#define rtw89_debug_priv_set_and_get(name) \ +#define rtw89_debug_priv_set_and_get(name, opts...) \ { \ .cb_write = rtw89_debug_priv_ ##name## _set, \ .cb_read = rtw89_debug_priv_ ##name## _get, \ + .opt = { opts }, \ } +#define RSIZE_8K .rsize = 0x2000 +#define RSIZE_12K .rsize = 0x3000 +#define RSIZE_16K .rsize = 0x4000 +#define RSIZE_20K .rsize = 0x5000 +#define RSIZE_32K .rsize = 0x8000 +#define RSIZE_64K .rsize = 0x10000 +#define RSIZE_128K .rsize = 0x20000 +#define RSIZE_1M .rsize = 0x100000 +#define RLOCK .rlock = 1 +#define WLOCK .wlock = 1 +#define RWLOCK RLOCK, WLOCK + static const struct rtw89_debugfs rtw89_debugfs_templ = { .read_reg = rtw89_debug_priv_select_and_get(read_reg), .write_reg = rtw89_debug_priv_set(write_reg), .read_rf = rtw89_debug_priv_select_and_get(read_rf), .write_rf = rtw89_debug_priv_set(write_rf), - .rf_reg_dump = rtw89_debug_priv_get(rf_reg_dump), - .txpwr_table = rtw89_debug_priv_get(txpwr_table), - .mac_reg_dump = rtw89_debug_priv_select_and_get(mac_reg_dump), - .mac_mem_dump = rtw89_debug_priv_select_and_get(mac_mem_dump), - .mac_dbg_port_dump = rtw89_debug_priv_select_and_get(mac_dbg_port_dump), + .rf_reg_dump = rtw89_debug_priv_get(rf_reg_dump, RSIZE_8K), + .txpwr_table = rtw89_debug_priv_get(txpwr_table, RSIZE_20K, RLOCK), + .mac_reg_dump = rtw89_debug_priv_select_and_get(mac_reg_dump, RSIZE_128K), + .mac_mem_dump = rtw89_debug_priv_select_and_get(mac_mem_dump, RSIZE_16K, RLOCK), + .mac_dbg_port_dump = rtw89_debug_priv_select_and_get(mac_dbg_port_dump, RSIZE_1M), .send_h2c = rtw89_debug_priv_set(send_h2c), - .early_h2c = rtw89_debug_priv_set_and_get(early_h2c), - .fw_crash = rtw89_debug_priv_set_and_get(fw_crash), - .btc_info = rtw89_debug_priv_get(btc_info), + .early_h2c = rtw89_debug_priv_set_and_get(early_h2c, RWLOCK), + .fw_crash = rtw89_debug_priv_set_and_get(fw_crash, WLOCK), + .btc_info = rtw89_debug_priv_get(btc_info, RSIZE_12K), .btc_manual = rtw89_debug_priv_set(btc_manual), - .fw_log_manual = rtw89_debug_priv_set(fw_log_manual), + .fw_log_manual = rtw89_debug_priv_set(fw_log_manual, WLOCK), .phy_info = rtw89_debug_priv_get(phy_info), - .stations = rtw89_debug_priv_get(stations), - .disable_dm = rtw89_debug_priv_set_and_get(disable_dm), + .stations = rtw89_debug_priv_get(stations, RLOCK), + .disable_dm = rtw89_debug_priv_set_and_get(disable_dm, RWLOCK), + .mlo_mode = rtw89_debug_priv_set_and_get(mlo_mode, RWLOCK), }; #define rtw89_debugfs_add(name, mode, fopname, parent) \ @@ -4050,6 +4421,7 @@ void rtw89_debugfs_add_sec1(struct rtw89_dev *rtwdev, struct dentry *debugfs_top rtw89_debugfs_add_r(phy_info); rtw89_debugfs_add_r(stations); rtw89_debugfs_add_rw(disable_dm); + rtw89_debugfs_add_rw(mlo_mode); } void rtw89_debugfs_init(struct rtw89_dev *rtwdev) |