diff options
Diffstat (limited to 'drivers/net/wireless/ath/wil6210/debugfs.c')
-rw-r--r-- | drivers/net/wireless/ath/wil6210/debugfs.c | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/wil6210/debugfs.c b/drivers/net/wireless/ath/wil6210/debugfs.c index eb2204e5fdd4..54a6ddc6301b 100644 --- a/drivers/net/wireless/ath/wil6210/debugfs.c +++ b/drivers/net/wireless/ath/wil6210/debugfs.c @@ -1041,6 +1041,71 @@ static const struct file_operations fops_info = { .llseek = seq_lseek, }; +/*---------recovery------------*/ +/* mode = [manual|auto] + * state = [idle|pending|running] + */ +static ssize_t wil_read_file_recovery(struct file *file, char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct wil6210_priv *wil = file->private_data; + char buf[80]; + int n; + static const char * const sstate[] = {"idle", "pending", "running"}; + + n = snprintf(buf, sizeof(buf), "mode = %s\nstate = %s\n", + no_fw_recovery ? "manual" : "auto", + sstate[wil->recovery_state]); + + n = min_t(int, n, sizeof(buf)); + + return simple_read_from_buffer(user_buf, count, ppos, + buf, n); +} + +static ssize_t wil_write_file_recovery(struct file *file, + const char __user *buf_, + size_t count, loff_t *ppos) +{ + struct wil6210_priv *wil = file->private_data; + static const char run_command[] = "run"; + char buf[sizeof(run_command) + 1]; /* to detect "runx" */ + ssize_t rc; + + if (wil->recovery_state != fw_recovery_pending) { + wil_err(wil, "No recovery pending\n"); + return -EINVAL; + } + + if (*ppos != 0) { + wil_err(wil, "Offset [%d]\n", (int)*ppos); + return -EINVAL; + } + + if (count > sizeof(buf)) { + wil_err(wil, "Input too long, len = %d\n", (int)count); + return -EINVAL; + } + + rc = simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, buf_, count); + if (rc < 0) + return rc; + + buf[rc] = '\0'; + if (0 == strcmp(buf, run_command)) + wil_set_recovery_state(wil, fw_recovery_running); + else + wil_err(wil, "Bad recovery command \"%s\"\n", buf); + + return rc; +} + +static const struct file_operations fops_recovery = { + .read = wil_read_file_recovery, + .write = wil_write_file_recovery, + .open = simple_open, +}; + /*---------Station matrix------------*/ static void wil_print_rxtid(struct seq_file *s, struct wil_tid_ampdu_rx *r) { @@ -1152,6 +1217,7 @@ static const struct { {"freq", S_IRUGO, &fops_freq}, {"link", S_IRUGO, &fops_link}, {"info", S_IRUGO, &fops_info}, + {"recovery", S_IRUGO | S_IWUSR, &fops_recovery}, }; static void wil6210_debugfs_init_files(struct wil6210_priv *wil, @@ -1194,6 +1260,7 @@ static const struct dbg_off dbg_wil_off[] = { WIL_FIELD(status, S_IRUGO | S_IWUSR, doff_ulong), WIL_FIELD(fw_version, S_IRUGO, doff_u32), WIL_FIELD(hw_version, S_IRUGO, doff_x32), + WIL_FIELD(recovery_count, S_IRUGO, doff_u32), {}, }; |