diff options
| -rw-r--r-- | net/mac80211/debugfs.c | 89 |
1 files changed, 76 insertions, 13 deletions
diff --git a/net/mac80211/debugfs.c b/net/mac80211/debugfs.c index 51f0d780daf..0a602dbfdb2 100644 --- a/net/mac80211/debugfs.c +++ b/net/mac80211/debugfs.c @@ -37,7 +37,7 @@ int mac80211_format_buffer(char __user *userbuf, size_t count, return simple_read_from_buffer(userbuf, count, ppos, buf, res); } -#define DEBUGFS_READONLY_FILE(name, fmt, value...) \ +#define DEBUGFS_READONLY_FILE_FN(name, fmt, value...) \ static ssize_t name## _read(struct file *file, char __user *userbuf, \ size_t count, loff_t *ppos) \ { \ @@ -45,14 +45,19 @@ static ssize_t name## _read(struct file *file, char __user *userbuf, \ \ return mac80211_format_buffer(userbuf, count, ppos, \ fmt "\n", ##value); \ -} \ - \ +} + +#define DEBUGFS_READONLY_FILE_OPS(name) \ static const struct file_operations name## _ops = { \ .read = name## _read, \ .open = mac80211_open_file_generic, \ .llseek = generic_file_llseek, \ }; +#define DEBUGFS_READONLY_FILE(name, fmt, value...) \ + DEBUGFS_READONLY_FILE_FN(name, fmt, value) \ + DEBUGFS_READONLY_FILE_OPS(name) + #define DEBUGFS_ADD(name) \ debugfs_create_file(#name, 0400, phyd, local, &name## _ops); @@ -291,11 +296,70 @@ static ssize_t channel_type_read(struct file *file, char __user *user_buf, 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, - .llseek = default_llseek, -}; +static ssize_t hwflags_read(struct file *file, char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ieee80211_local *local = file->private_data; + int mxln = 500; + ssize_t rv; + char *buf = kzalloc(mxln, GFP_KERNEL); + int sf = 0; /* how many written so far */ + + sf += snprintf(buf, mxln - sf, "0x%x\n", local->hw.flags); + if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) + sf += snprintf(buf + sf, mxln - sf, "HAS_RATE_CONTROL\n"); + if (local->hw.flags & IEEE80211_HW_RX_INCLUDES_FCS) + sf += snprintf(buf + sf, mxln - sf, "RX_INCLUDES_FCS\n"); + if (local->hw.flags & IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING) + sf += snprintf(buf + sf, mxln - sf, + "HOST_BCAST_PS_BUFFERING\n"); + if (local->hw.flags & IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE) + sf += snprintf(buf + sf, mxln - sf, + "2GHZ_SHORT_SLOT_INCAPABLE\n"); + if (local->hw.flags & IEEE80211_HW_2GHZ_SHORT_PREAMBLE_INCAPABLE) + sf += snprintf(buf + sf, mxln - sf, + "2GHZ_SHORT_PREAMBLE_INCAPABLE\n"); + if (local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC) + sf += snprintf(buf + sf, mxln - sf, "SIGNAL_UNSPEC\n"); + if (local->hw.flags & IEEE80211_HW_SIGNAL_DBM) + sf += snprintf(buf + sf, mxln - sf, "SIGNAL_DBM\n"); + if (local->hw.flags & IEEE80211_HW_NEED_DTIM_PERIOD) + sf += snprintf(buf + sf, mxln - sf, "NEED_DTIM_PERIOD\n"); + if (local->hw.flags & IEEE80211_HW_SPECTRUM_MGMT) + sf += snprintf(buf + sf, mxln - sf, "SPECTRUM_MGMT\n"); + if (local->hw.flags & IEEE80211_HW_AMPDU_AGGREGATION) + sf += snprintf(buf + sf, mxln - sf, "AMPDU_AGGREGATION\n"); + if (local->hw.flags & IEEE80211_HW_SUPPORTS_PS) + sf += snprintf(buf + sf, mxln - sf, "SUPPORTS_PS\n"); + if (local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK) + sf += snprintf(buf + sf, mxln - sf, "PS_NULLFUNC_STACK\n"); + if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS) + sf += snprintf(buf + sf, mxln - sf, "SUPPORTS_DYNAMIC_PS\n"); + if (local->hw.flags & IEEE80211_HW_MFP_CAPABLE) + sf += snprintf(buf + sf, mxln - sf, "MFP_CAPABLE\n"); + if (local->hw.flags & IEEE80211_HW_BEACON_FILTER) + sf += snprintf(buf + sf, mxln - sf, "BEACON_FILTER\n"); + if (local->hw.flags & IEEE80211_HW_SUPPORTS_STATIC_SMPS) + sf += snprintf(buf + sf, mxln - sf, "SUPPORTS_STATIC_SMPS\n"); + if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_SMPS) + sf += snprintf(buf + sf, mxln - sf, "SUPPORTS_DYNAMIC_SMPS\n"); + if (local->hw.flags & IEEE80211_HW_SUPPORTS_UAPSD) + sf += snprintf(buf + sf, mxln - sf, "SUPPORTS_UAPSD\n"); + if (local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS) + sf += snprintf(buf + sf, mxln - sf, "REPORTS_TX_ACK_STATUS\n"); + if (local->hw.flags & IEEE80211_HW_CONNECTION_MONITOR) + sf += snprintf(buf + sf, mxln - sf, "CONNECTION_MONITOR\n"); + if (local->hw.flags & IEEE80211_HW_SUPPORTS_CQM_RSSI) + sf += snprintf(buf + sf, mxln - sf, "SUPPORTS_CQM_RSSI\n"); + if (local->hw.flags & IEEE80211_HW_SUPPORTS_PER_STA_GTK) + sf += snprintf(buf + sf, mxln - sf, "SUPPORTS_PER_STA_GTK\n"); + if (local->hw.flags & IEEE80211_HW_AP_LINK_PS) + sf += snprintf(buf + sf, mxln - sf, "AP_LINK_PS\n"); + + rv = simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf)); + kfree(buf); + return rv; +} static ssize_t queues_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) @@ -315,11 +379,9 @@ static ssize_t queues_read(struct file *file, char __user *user_buf, return simple_read_from_buffer(user_buf, count, ppos, buf, res); } -static const struct file_operations queues_ops = { - .read = queues_read, - .open = mac80211_open_file_generic, - .llseek = default_llseek, -}; +DEBUGFS_READONLY_FILE_OPS(hwflags); +DEBUGFS_READONLY_FILE_OPS(channel_type); +DEBUGFS_READONLY_FILE_OPS(queues); /* statistics stuff */ @@ -395,6 +457,7 @@ void debugfs_hw_add(struct ieee80211_local *local) DEBUGFS_ADD(uapsd_queues); DEBUGFS_ADD(uapsd_max_sp_len); DEBUGFS_ADD(channel_type); + DEBUGFS_ADD(hwflags); DEBUGFS_ADD(user_power); DEBUGFS_ADD(power); |