From: Ben Greear <greearb@xxxxxxxxxxxxxxx>
Aids debugging wifi behaviour.
Signed-off-by: Ben Greear <greearb@xxxxxxxxxxxxxxx>
---
:100644 100644 51f0d78... dd0632a... M net/mac80211/debugfs.c
net/mac80211/debugfs.c | 73 ++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 73 insertions(+), 0 deletions(-)
diff --git a/net/mac80211/debugfs.c b/net/mac80211/debugfs.c
index 51f0d78..dd0632a 100644
--- a/net/mac80211/debugfs.c
+++ b/net/mac80211/debugfs.c
@@ -291,12 +291,84 @@ 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 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", local->hw.flags);
+ if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL)
+ sf += snprintf(buf + sf, mxln - sf, " HAS_RATE_CONTROL");
+ if (local->hw.flags & IEEE80211_HW_RX_INCLUDES_FCS)
+ sf += snprintf(buf + sf, mxln - sf, " RX_INCLUDES_FCS");
+ if (local->hw.flags & IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING)
+ sf += snprintf(buf + sf, mxln - sf, " HOST_BCAST_PS_BUFFERING");
+ if (local->hw.flags & IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE)
+ sf += snprintf(buf + sf, mxln - sf,
+ " 2GHZ_SHORT_SLOT_INCAPABLE");
+ if (local->hw.flags & IEEE80211_HW_2GHZ_SHORT_PREAMBLE_INCAPABLE)
+ sf += snprintf(buf + sf, mxln - sf,
+ " 2GHZ_SHORT_PREAMBLE_INCAPABLE");
+ if (local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC)
+ sf += snprintf(buf + sf, mxln - sf, " SIGNAL_UNSPEC");
+ if (local->hw.flags & IEEE80211_HW_SIGNAL_DBM)
+ sf += snprintf(buf + sf, mxln - sf, " SIGNAL_DBM");
+ if (local->hw.flags & IEEE80211_HW_NEED_DTIM_PERIOD)
+ sf += snprintf(buf + sf, mxln - sf, " NEED_DTIM_PERIOD");
+ if (local->hw.flags & IEEE80211_HW_SPECTRUM_MGMT)
+ sf += snprintf(buf + sf, mxln - sf, " SPECTRUM_MGMT");
+ if (local->hw.flags & IEEE80211_HW_AMPDU_AGGREGATION)
+ sf += snprintf(buf + sf, mxln - sf, " AMPDU_AGGREGATION");
+ if (local->hw.flags & IEEE80211_HW_SUPPORTS_PS)
+ sf += snprintf(buf + sf, mxln - sf, " SUPPORTS_PS");
+ if (local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK)
+ sf += snprintf(buf + sf, mxln - sf, " PS_NULLFUNC_STACK");
+ if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
+ sf += snprintf(buf + sf, mxln - sf, " SUPPORTS_DYNAMIC_PS");
+ if (local->hw.flags & IEEE80211_HW_MFP_CAPABLE)
+ sf += snprintf(buf + sf, mxln - sf, " MFP_CAPABLE");
+ if (local->hw.flags & IEEE80211_HW_BEACON_FILTER)
+ sf += snprintf(buf + sf, mxln - sf, " BEACON_FILTER");
+ if (local->hw.flags & IEEE80211_HW_SUPPORTS_STATIC_SMPS)
+ sf += snprintf(buf + sf, mxln - sf, " SUPPORTS_STATIC_SMPS");
+ if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_SMPS)
+ sf += snprintf(buf + sf, mxln - sf, " SUPPORTS_DYNAMIC_SMPS");
+ if (local->hw.flags & IEEE80211_HW_SUPPORTS_UAPSD)
+ sf += snprintf(buf + sf, mxln - sf, " SUPPORTS_UAPSD");
+ if (local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS)
+ sf += snprintf(buf + sf, mxln - sf, " REPORTS_TX_ACK_STATUS");
+ if (local->hw.flags & IEEE80211_HW_CONNECTION_MONITOR)
+ sf += snprintf(buf + sf, mxln - sf, " CONNECTION_MONITOR");
+ if (local->hw.flags & IEEE80211_HW_SUPPORTS_CQM_RSSI)
+ sf += snprintf(buf + sf, mxln - sf, " SUPPORTS_CQM_RSSI");
+ if (local->hw.flags & IEEE80211_HW_SUPPORTS_PER_STA_GTK)
+ sf += snprintf(buf + sf, mxln - sf, " SUPPORTS_PER_STA_GTK");
+ if (local->hw.flags & IEEE80211_HW_AP_LINK_PS)
+ sf += snprintf(buf + sf, mxln - sf, " AP_LINK_PS");
+
+ sf += snprintf(buf + sf, mxln - sf, "\n");
+
+ rv = simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf));
+ kfree(buf);
+ return rv;
+}
+
static const struct file_operations channel_type_ops = {
.read = channel_type_read,
.open = mac80211_open_file_generic,
.llseek = default_llseek,
};
+static const struct file_operations hwflags_ops = {
+ .read = hwflags_read,
+ .open = mac80211_open_file_generic,
+ .llseek = default_llseek,
+};
+
static ssize_t queues_read(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
@@ -395,6 +467,7 @@ 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);
--
1.7.3.4
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