diff options
author | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-03-08 20:21:04 +0000 |
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committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-03-08 20:21:04 +0000 |
commit | 988addf82e4c03739375279de73929580a2d4a6a (patch) | |
tree | 989ae1cd4e264bbad80c65f04480486246e7b9f3 /net/mac80211/debugfs.c | |
parent | 004c1c7096659d352b83047a7593e91d8a30e3c5 (diff) | |
parent | 25cf84cf377c0aae5dbcf937ea89bc7893db5176 (diff) |
Merge branch 'origin' into devel-stable
Conflicts:
arch/arm/mach-mx2/devices.c
arch/arm/mach-mx2/devices.h
sound/soc/pxa/pxa-ssp.c
Diffstat (limited to 'net/mac80211/debugfs.c')
-rw-r--r-- | net/mac80211/debugfs.c | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/net/mac80211/debugfs.c b/net/mac80211/debugfs.c index e4b54093d41..637929b65cc 100644 --- a/net/mac80211/debugfs.c +++ b/net/mac80211/debugfs.c @@ -158,6 +158,130 @@ static const struct file_operations noack_ops = { .open = mac80211_open_file_generic }; +static ssize_t uapsd_queues_read(struct file *file, char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ieee80211_local *local = file->private_data; + int res; + char buf[10]; + + res = scnprintf(buf, sizeof(buf), "0x%x\n", local->uapsd_queues); + + return simple_read_from_buffer(user_buf, count, ppos, buf, res); +} + +static ssize_t uapsd_queues_write(struct file *file, + const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ieee80211_local *local = file->private_data; + unsigned long val; + char buf[10]; + size_t len; + int ret; + + len = min(count, sizeof(buf) - 1); + if (copy_from_user(buf, user_buf, len)) + return -EFAULT; + buf[len] = '\0'; + + ret = strict_strtoul(buf, 0, &val); + + if (ret) + return -EINVAL; + + if (val & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK) + return -ERANGE; + + local->uapsd_queues = val; + + return count; +} + +static const struct file_operations uapsd_queues_ops = { + .read = uapsd_queues_read, + .write = uapsd_queues_write, + .open = mac80211_open_file_generic +}; + +static ssize_t uapsd_max_sp_len_read(struct file *file, char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ieee80211_local *local = file->private_data; + int res; + char buf[10]; + + res = scnprintf(buf, sizeof(buf), "0x%x\n", local->uapsd_max_sp_len); + + return simple_read_from_buffer(user_buf, count, ppos, buf, res); +} + +static ssize_t uapsd_max_sp_len_write(struct file *file, + const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ieee80211_local *local = file->private_data; + unsigned long val; + char buf[10]; + size_t len; + int ret; + + len = min(count, sizeof(buf) - 1); + if (copy_from_user(buf, user_buf, len)) + return -EFAULT; + buf[len] = '\0'; + + ret = strict_strtoul(buf, 0, &val); + + if (ret) + return -EINVAL; + + if (val & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK) + return -ERANGE; + + local->uapsd_max_sp_len = val; + + return count; +} + +static const struct file_operations uapsd_max_sp_len_ops = { + .read = uapsd_max_sp_len_read, + .write = uapsd_max_sp_len_write, + .open = mac80211_open_file_generic +}; + +static ssize_t channel_type_read(struct file *file, char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ieee80211_local *local = file->private_data; + const char *buf; + + switch (local->hw.conf.channel_type) { + case NL80211_CHAN_NO_HT: + buf = "no ht\n"; + break; + case NL80211_CHAN_HT20: + buf = "ht20\n"; + break; + case NL80211_CHAN_HT40MINUS: + buf = "ht40-\n"; + break; + case NL80211_CHAN_HT40PLUS: + buf = "ht40+\n"; + break; + default: + buf = "???"; + break; + } + + return simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf)); +} + +static const struct file_operations channel_type_ops = { + .read = channel_type_read, + .open = mac80211_open_file_generic +}; + static ssize_t queues_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { @@ -314,6 +438,9 @@ void debugfs_hw_add(struct ieee80211_local *local) DEBUGFS_ADD(queues); DEBUGFS_ADD_MODE(reset, 0200); DEBUGFS_ADD(noack); + DEBUGFS_ADD(uapsd_queues); + DEBUGFS_ADD(uapsd_max_sp_len); + DEBUGFS_ADD(channel_type); statsd = debugfs_create_dir("statistics", phyd); |