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Commit 6093e66b authored by Vladimir Kondratiev's avatar Vladimir Kondratiev Committed by Kalle Valo
Browse files

wil6210: count drops in Rx block ack reorder 



When performing Rx reordering, count skb's dropped
per reorder buffer; and print dropped packets count
on the "stations" debugfs entry

Signed-off-by: default avatarVladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Signed-off-by: default avatarKalle Valo <kvalo@qca.qualcomm.com>
parent f1ad8c93

drivers/net/wireless/ath/wil6210/debugfs.c

+1 −1
Original line number Diff line number Diff line
@@ -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)

drivers/net/wireless/ath/wil6210/rx_reorder.c

+2 −0
Original line number Diff line number Diff line
@@ -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	/* frame with out of date sequence number */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;

	}

drivers/net/wireless/ath/wil6210/wil6210.h

+2 −0
Original line number Diff line number Diff line
@@ -426,6 +426,7 @@ 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.
@@ -443,6 +444,7 @@ 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? */

};