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>

1 files changed, 23 insertions, 0 deletions

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);