Return-path: Received: from sabertooth02.qualcomm.com ([65.197.215.38]:64261 "EHLO sabertooth02.qualcomm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755376AbbG3Kym (ORCPT ); Thu, 30 Jul 2015 06:54:42 -0400 From: Vladimir Kondratiev Cc: Vladimir Kondratiev , linux-wireless@vger.kernel.org, wil6210@qca.qualcomm.com To: Kalle Valo Subject: [PATCH v3 02/19] wil6210: count drops in Rx block ack reorder Date: Thu, 30 Jul 2015 13:51:50 +0300 Message-Id: <1438253527-3372-3-git-send-email-qca_vkondrat@qca.qualcomm.com> (sfid-20150730_130716_539947_7E766B7A) In-Reply-To: <1438253527-3372-1-git-send-email-qca_vkondrat@qca.qualcomm.com> References: <1438253527-3372-1-git-send-email-qca_vkondrat@qca.qualcomm.com> Sender: linux-wireless-owner@vger.kernel.org List-ID: 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 --- 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 75219a1..b862676 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tid_rx_lock) /* frame with out of date sequence number */ if (seq_less(seq, r-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 b79ba49..54f1673 100644 --- a/drivers/net/wireless/ath/wil6210/wil6210.h +++ b/drivers/net/wireless/ath/wil6210/wil6210.h @@ -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? */ }; -- 2.1.4