netdev - [PATCH net-next v2 5/9] netdevice: add netdev_tx_reset

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Message-ID: <20240819223442.48013-6-anthony.l.nguyen@intel.com>
Date: Mon, 19 Aug 2024 15:34:37 -0700
From: Tony Nguyen <anthony.l.nguyen@...el.com>
To: davem@...emloft.net,
	kuba@...nel.org,
	pabeni@...hat.com,
	edumazet@...gle.com,
	netdev@...r.kernel.org
Cc: Alexander Lobakin <aleksander.lobakin@...el.com>,
	anthony.l.nguyen@...el.com,
	przemyslaw.kitszel@...el.com,
	joshua.a.hay@...el.com,
	michal.kubiak@...el.com,
	nex.sw.ncis.osdt.itp.upstreaming@...el.com
Subject: [PATCH net-next v2 5/9] netdevice: add netdev_tx_reset_subqueue() shorthand

From: Alexander Lobakin <aleksander.lobakin@...el.com>

Add a shorthand similar to other net*_subqueue() helpers for resetting
the queue by its index w/o obtaining &netdev_tx_queue beforehand
manually.

Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@...el.com>
Signed-off-by: Alexander Lobakin <aleksander.lobakin@...el.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@...el.com>
---
 include/linux/netdevice.h | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 0ef3eaa23f4b..22a4adff8bb2 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -3545,6 +3545,17 @@ static inline void netdev_tx_reset_queue(struct netdev_queue *q)
 #endif
 }
 
+/**
+ * netdev_tx_reset_subqueue - reset the BQL stats and state of a netdev queue
+ * @dev: network device
+ * @qid: stack index of the queue to reset
+ */
+static inline void netdev_tx_reset_subqueue(const struct net_device *dev,
+					    u32 qid)
+{
+	netdev_tx_reset_queue(netdev_get_tx_queue(dev, qid));
+}
+
 /**
  * 	netdev_reset_queue - reset the packets and bytes count of a network device
  * 	@dev_queue: network device
@@ -3554,7 +3565,7 @@ static inline void netdev_tx_reset_queue(struct netdev_queue *q)
  */
 static inline void netdev_reset_queue(struct net_device *dev_queue)
 {
-	netdev_tx_reset_queue(netdev_get_tx_queue(dev_queue, 0));
+	netdev_tx_reset_subqueue(dev_queue, 0);
 }
 
 /**
-- 
2.42.0