When performing Rx reordering, count skb's dropped
per reorder buffer; and print dropped packets count
on the "stations" debugfs entry
Signed-off-by: Vladimir Kondratiev <qca_vkondrat@xxxxxxxxxxxxxxxx>
---
drivers/net/wireless/ath/wil6210/debugfs.c | 2 +-
drivers/net/wireless/ath/wil6210/rx_reorder.c | 2 ++
drivers/net/wireless/ath/wil6210/wil6210.h | 2 ++
3 files changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/net/wireless/ath/wil6210/debugfs.c b/drivers/net/wireless/ath/wil6210/debugfs.c
index 42bc6e6..9ed1a94 100644
--- a/drivers/net/wireless/ath/wil6210/debugfs.c
+++ b/drivers/net/wireless/ath/wil6210/debugfs.c
@@ -1353,7 +1353,7 @@ static void wil_print_rxtid(struct seq_file *s, struct wil_tid_ampdu_rx *r)
else
seq_printf(s, "%c", r->reorder_buf[i] ? '*' : '_');
}
- seq_printf(s, "] last drop 0x%03x\n", r->ssn_last_drop);
+ seq_printf(s, "] drop %llu last 0x%03x\n", r->drop, r->ssn_last_drop);
}
static int wil_sta_debugfs_show(struct seq_file *s, void *data)
diff --git a/drivers/net/wireless/ath/wil6210/rx_reorder.c b/drivers/net/wireless/ath/wil6210/rx_reorder.c
index ca10dcf..e4ac11c 100644
--- a/drivers/net/wireless/ath/wil6210/rx_reorder.c
+++ b/drivers/net/wireless/ath/wil6210/rx_reorder.c
@@ -153,6 +153,7 @@ __acquires(&sta->tid_rx_lock) __releases(&sta->tid_rx_lock)
/* frame with out of date sequence number */
if (seq_less(seq, r->head_seq_num)) {
r->ssn_last_drop = seq;
+ r->drop++;
dev_kfree_skb(skb);
goto out;
}
@@ -173,6 +174,7 @@ __acquires(&sta->tid_rx_lock) __releases(&sta->tid_rx_lock)
/* check if we already stored this frame */
if (r->reorder_buf[index]) {
+ r->drop++;
dev_kfree_skb(skb);
goto out;
}
diff --git a/drivers/net/wireless/ath/wil6210/wil6210.h b/drivers/net/wireless/ath/wil6210/wil6210.h
index 4b7135e..284edda 100644
--- a/drivers/net/wireless/ath/wil6210/wil6210.h
+++ b/drivers/net/wireless/ath/wil6210/wil6210.h
@@ -427,6 +427,7 @@ struct pci_dev;
* @timeout: reset timer value (in TUs).
* @dialog_token: dialog token for aggregation session
* @rcu_head: RCU head used for freeing this struct
+ * @drop: total frames dropped for this reorder buffer
*
* This structure's lifetime is managed by RCU, assignments to
* the array holding it must hold the aggregation mutex.
@@ -444,6 +445,7 @@ struct wil_tid_ampdu_rx {
u16 buf_size;
u16 timeout;
u16 ssn_last_drop;
+ unsigned long long drop;
u8 dialog_token;
bool first_time; /* is it 1-st time this buffer used? */
};
--
2.1.4
--
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