diff options
Diffstat (limited to 'drivers/net/wireless/ath/wil6210/debugfs.c')
| -rw-r--r-- | drivers/net/wireless/ath/wil6210/debugfs.c | 82 |
1 files changed, 71 insertions, 11 deletions
diff --git a/drivers/net/wireless/ath/wil6210/debugfs.c b/drivers/net/wireless/ath/wil6210/debugfs.c index 5648ebbd0e16..6db00c167d2e 100644 --- a/drivers/net/wireless/ath/wil6210/debugfs.c +++ b/drivers/net/wireless/ath/wil6210/debugfs.c @@ -20,7 +20,6 @@ #include <linux/pci.h> #include <linux/rtnetlink.h> #include <linux/power_supply.h> - #include "wil6210.h" #include "wmi.h" #include "txrx.h" @@ -30,7 +29,6 @@ static u32 mem_addr; static u32 dbg_txdesc_index; static u32 dbg_vring_index; /* 24+ for Rx, 0..23 for Tx */ -u32 vring_idle_trsh = 16; /* HW fetches up to 16 descriptors at once */ enum dbg_off_type { doff_u32 = 0, @@ -509,6 +507,10 @@ static ssize_t wil_read_file_ioblob(struct file *file, char __user *user_buf, void *buf; size_t ret; + if (test_bit(wil_status_suspending, wil_blob->wil->status) || + test_bit(wil_status_suspended, wil_blob->wil->status)) + return 0; + if (pos < 0) return -EINVAL; @@ -795,15 +797,14 @@ static ssize_t wil_write_file_txmgmt(struct file *file, const char __user *buf, struct wireless_dev *wdev = wil_to_wdev(wil); struct cfg80211_mgmt_tx_params params; int rc; - void *frame = kmalloc(len, GFP_KERNEL); + void *frame; - if (!frame) - return -ENOMEM; + if (!len) + return -EINVAL; - if (copy_from_user(frame, buf, len)) { - kfree(frame); - return -EIO; - } + frame = memdup_user(buf, len); + if (IS_ERR(frame)) + return PTR_ERR(frame); params.buf = frame; params.len = len; @@ -1013,6 +1014,7 @@ static int wil_bf_debugfs_show(struct seq_file *s, void *data) " TSF = 0x%016llx\n" " TxMCS = %2d TxTpt = %4d\n" " SQI = %4d\n" + " RSSI = %4d\n" " Status = 0x%08x %s\n" " Sectors(rx:tx) my %2d:%2d peer %2d:%2d\n" " Goodput(rx:tx) %4d:%4d\n" @@ -1022,6 +1024,7 @@ static int wil_bf_debugfs_show(struct seq_file *s, void *data) le16_to_cpu(reply.evt.bf_mcs), le32_to_cpu(reply.evt.tx_tpt), reply.evt.sqi, + reply.evt.rssi, status, wil_bfstatus_str(status), le16_to_cpu(reply.evt.my_rx_sector), le16_to_cpu(reply.evt.my_tx_sector), @@ -1604,6 +1607,60 @@ static const struct file_operations fops_fw_version = { .llseek = seq_lseek, }; +/*---------suspend_stats---------*/ +static ssize_t wil_write_suspend_stats(struct file *file, + const char __user *buf, + size_t len, loff_t *ppos) +{ + struct wil6210_priv *wil = file->private_data; + + memset(&wil->suspend_stats, 0, sizeof(wil->suspend_stats)); + wil->suspend_stats.min_suspend_time = ULONG_MAX; + wil->suspend_stats.collection_start = ktime_get(); + + return len; +} + +static ssize_t wil_read_suspend_stats(struct file *file, + char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct wil6210_priv *wil = file->private_data; + static char text[400]; + int n; + unsigned long long stats_collection_time = + ktime_to_us(ktime_sub(ktime_get(), + wil->suspend_stats.collection_start)); + + n = snprintf(text, sizeof(text), + "Suspend statistics:\n" + "successful suspends:%ld failed suspends:%ld\n" + "successful resumes:%ld failed resumes:%ld\n" + "rejected by host:%ld rejected by device:%ld\n" + "total suspend time:%lld min suspend time:%lld\n" + "max suspend time:%lld stats collection time: %lld\n", + wil->suspend_stats.successful_suspends, + wil->suspend_stats.failed_suspends, + wil->suspend_stats.successful_resumes, + wil->suspend_stats.failed_resumes, + wil->suspend_stats.rejected_by_host, + wil->suspend_stats.rejected_by_device, + wil->suspend_stats.total_suspend_time, + wil->suspend_stats.min_suspend_time, + wil->suspend_stats.max_suspend_time, + stats_collection_time); + + n = min_t(int, n, sizeof(text)); + + return simple_read_from_buffer(user_buf, count, ppos, text, n); +} + +static const struct file_operations fops_suspend_stats = { + .read = wil_read_suspend_stats, + .write = wil_write_suspend_stats, + .open = simple_open, +}; + /*----------------*/ static void wil6210_debugfs_init_blobs(struct wil6210_priv *wil, struct dentry *dbg) @@ -1656,6 +1713,7 @@ static const struct { {"led_blink_time", 0644, &fops_led_blink_time}, {"fw_capabilities", 0444, &fops_fw_capabilities}, {"fw_version", 0444, &fops_fw_version}, + {"suspend_stats", 0644, &fops_suspend_stats}, }; static void wil6210_debugfs_init_files(struct wil6210_priv *wil, @@ -1702,6 +1760,8 @@ static const struct dbg_off dbg_wil_off[] = { WIL_FIELD(discovery_mode, 0644, doff_u8), WIL_FIELD(chip_revision, 0444, doff_u8), WIL_FIELD(abft_len, 0644, doff_u8), + WIL_FIELD(wakeup_trigger, 0644, doff_u8), + WIL_FIELD(vring_idle_trsh, 0644, doff_u32), {}, }; @@ -1717,8 +1777,6 @@ static const struct dbg_off dbg_statics[] = { {"desc_index", 0644, (ulong)&dbg_txdesc_index, doff_u32}, {"vring_index", 0644, (ulong)&dbg_vring_index, doff_u32}, {"mem_addr", 0644, (ulong)&mem_addr, doff_u32}, - {"vring_idle_trsh", 0644, (ulong)&vring_idle_trsh, - doff_u32}, {"led_polarity", 0644, (ulong)&led_polarity, doff_u8}, {}, }; @@ -1745,6 +1803,8 @@ int wil6210_debugfs_init(struct wil6210_priv *wil) wil6210_debugfs_create_ITR_CNT(wil, dbg); + wil->suspend_stats.collection_start = ktime_get(); + return 0; } |