From: Ben Greear <greearb@xxxxxxxxxxxxxxx> Signed-off-by: Ben Greear <greearb@xxxxxxxxxxxxxxx> --- :100644 100644 2bbe377... b89b885... M net/mac80211/debugfs.c net/mac80211/debugfs.c | 37 +++++++++++++++++++++++++++++++++++++ 1 files changed, 37 insertions(+), 0 deletions(-) diff --git a/net/mac80211/debugfs.c b/net/mac80211/debugfs.c index 2bbe377..b89b885 100644 --- a/net/mac80211/debugfs.c +++ b/net/mac80211/debugfs.c @@ -210,9 +210,45 @@ static ssize_t sta_hash_read(struct file *file, char __user *user_buf, return q; } +static ssize_t sta_lhash_read(struct file *file, char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ieee80211_local *local = file->private_data; + int mxln = STA_HASH_SIZE * 10; + char *buf = kzalloc(mxln, GFP_KERNEL); + int q, res = 0; + struct sta_info *sta; + + if (!buf) + return 0; + + mutex_lock(&local->sta_mtx); + for (q = 0; q < STA_HASH_SIZE; q++) { + int cnt = 0; + sta = local->sta_vhash[q]; + while (sta) { + cnt++; + sta = sta->vnext; + } + if (cnt) { + res += sprintf(buf + res, "%i: %i\n", q, cnt); + if (res >= (STA_HASH_SIZE * 10)) { + res = STA_HASH_SIZE * 10; + break; + } + } + } + mutex_unlock(&local->sta_mtx); + + q = simple_read_from_buffer(user_buf, count, ppos, buf, res); + kfree(buf); + return q; +} + DEBUGFS_READONLY_FILE_OPS(hwflags); DEBUGFS_READONLY_FILE_OPS(queues); DEBUGFS_READONLY_FILE_OPS(sta_hash); +DEBUGFS_READONLY_FILE_OPS(sta_lhash); /* statistics stuff */ @@ -282,6 +318,7 @@ void debugfs_hw_add(struct ieee80211_local *local) DEBUGFS_ADD(wep_iv); DEBUGFS_ADD(queues); DEBUGFS_ADD(sta_hash); + DEBUGFS_ADD(sta_lhash); #ifdef CONFIG_PM DEBUGFS_ADD_MODE(reset, 0200); #endif -- 1.7.3.4 -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html