From b136b3a2c1867172cd3de6e7286c600b04543b30 Mon Sep 17 00:00:00 2001
From: Samuel Ortiz <sameo@linux.intel.com>
Date: Tue, 24 Nov 2009 11:33:32 +0800
Subject: [PATCH] iwmc3200wifi: Add stopped queue to debugfs
We add the stopped queue count and display to the tx queue debugfs entry.
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
drivers/net/wireless/iwmc3200wifi/debugfs.c | 23 +++++++++++++++++++++
1 file changed, 23 insertions(+)
diff --git a/drivers/net/wireless/iwmc3200wifi/debugfs.c b/drivers/net/wireless/iwmc3200wifi/debugfs.c
index 1465379f900a..be992ca41cf1 100644
--- a/drivers/net/wireless/iwmc3200wifi/debugfs.c
+++ b/drivers/net/wireless/iwmc3200wifi/debugfs.c
@@ -158,6 +158,29 @@ static ssize_t iwm_debugfs_txq_read(struct file *filp, char __user *buffer,
}
spin_unlock_irqrestore(&txq->queue.lock, flags);
+
+ spin_lock_irqsave(&txq->stopped_queue.lock, flags);
+
+ len += snprintf(buf + len, buf_len - len,
+ "\tStopped Queue len: %d\n",
+ skb_queue_len(&txq->stopped_queue));
+ for (j = 0; j < skb_queue_len(&txq->stopped_queue); j++) {
+ struct iwm_tx_info *tx_info;
+
+ skb = skb->next;
+ tx_info = skb_to_tx_info(skb);
+
+ len += snprintf(buf + len, buf_len - len,
+ "\tSKB #%d\n", j);
+ len += snprintf(buf + len, buf_len - len,
+ "\t\tsta: %d\n", tx_info->sta);
+ len += snprintf(buf + len, buf_len - len,
+ "\t\tcolor: %d\n", tx_info->color);
+ len += snprintf(buf + len, buf_len - len,
+ "\t\ttid: %d\n", tx_info->tid);
+ }
+
+ spin_unlock_irqrestore(&txq->stopped_queue.lock, flags);
}
ret = simple_read_from_buffer(buffer, len, ppos, buf, buf_len);
--
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