linux-kernel - [PATCH iwl-next v2 3/6] netdevice: add netdev_tx_reset

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Message-ID: <20240904154748.2114199-4-aleksander.lobakin@intel.com>
Date: Wed,  4 Sep 2024 17:47:45 +0200
From: Alexander Lobakin <aleksander.lobakin@...el.com>
To: intel-wired-lan@...ts.osuosl.org
Cc: Alexander Lobakin <aleksander.lobakin@...el.com>,
	Michal Kubiak <michal.kubiak@...el.com>,
	Joshua Hay <joshua.a.hay@...el.com>,
	Tony Nguyen <anthony.l.nguyen@...el.com>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>,
	Przemek Kitszel <przemyslaw.kitszel@...el.com>,
	nex.sw.ncis.osdt.itp.upstreaming@...el.com,
	netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH iwl-next v2 3/6] netdevice: add netdev_tx_reset_subqueue() shorthand

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>
---
 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 4d6fb0ccdea1..4f37b01b3d5a 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -3599,6 +3599,17 @@ 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
@@ -3608,7 +3619,7 @@ 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);
 }
 
 /**
-- 
2.46.0