linux-kernel - [PATCH net-next 1/2] rtase: Link IRQs to NAPI instances

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Message-ID: <20250610103334.10446-2-justinlai0215@realtek.com>
Date: Tue, 10 Jun 2025 18:33:33 +0800
From: Justin Lai <justinlai0215@...ltek.com>
To: <kuba@...nel.org>
CC: <davem@...emloft.net>, <edumazet@...gle.com>, <pabeni@...hat.com>,
        <andrew+netdev@...n.ch>, <linux-kernel@...r.kernel.org>,
        <netdev@...r.kernel.org>, <horms@...nel.org>, <jdamato@...tly.com>,
        <pkshih@...ltek.com>, <larry.chiu@...ltek.com>,
        Justin Lai
	<justinlai0215@...ltek.com>
Subject: [PATCH net-next 1/2] rtase: Link IRQs to NAPI instances

Link IRQs to NAPI instances with netif_napi_set_irq. This
information can be queried with the netdev-genl API.

Signed-off-by: Justin Lai <justinlai0215@...ltek.com>
---
 .../net/ethernet/realtek/rtase/rtase_main.c   | 20 +++++++++++++------
 1 file changed, 14 insertions(+), 6 deletions(-)

diff --git a/drivers/net/ethernet/realtek/rtase/rtase_main.c b/drivers/net/ethernet/realtek/rtase/rtase_main.c
index 4d37217e9a14..a88af868da8c 100644
--- a/drivers/net/ethernet/realtek/rtase/rtase_main.c
+++ b/drivers/net/ethernet/realtek/rtase/rtase_main.c
@@ -1871,6 +1871,18 @@ static void rtase_init_netdev_ops(struct net_device *dev)
 	dev->ethtool_ops = &rtase_ethtool_ops;
 }
 
+static void rtase_init_napi(struct rtase_private *tp)
+{
+	u16 i;
+
+	for (i = 0; i < tp->int_nums; i++) {
+		netif_napi_add(tp->dev, &tp->int_vector[i].napi,
+			       tp->int_vector[i].poll);
+		netif_napi_set_irq(&tp->int_vector[i].napi,
+				   tp->int_vector[i].irq);
+	}
+}
+
 static void rtase_reset_interrupt(struct pci_dev *pdev,
 				  const struct rtase_private *tp)
 {
@@ -1956,9 +1968,6 @@ static void rtase_init_int_vector(struct rtase_private *tp)
 	memset(tp->int_vector[0].name, 0x0, sizeof(tp->int_vector[0].name));
 	INIT_LIST_HEAD(&tp->int_vector[0].ring_list);
 
-	netif_napi_add(tp->dev, &tp->int_vector[0].napi,
-		       tp->int_vector[0].poll);
-
 	/* interrupt vector 1 ~ 3 */
 	for (i = 1; i < tp->int_nums; i++) {
 		tp->int_vector[i].tp = tp;
@@ -1972,9 +1981,6 @@ static void rtase_init_int_vector(struct rtase_private *tp)
 		memset(tp->int_vector[i].name, 0x0,
 		       sizeof(tp->int_vector[0].name));
 		INIT_LIST_HEAD(&tp->int_vector[i].ring_list);
-
-		netif_napi_add(tp->dev, &tp->int_vector[i].napi,
-			       tp->int_vector[i].poll);
 	}
 }
 
@@ -2206,6 +2212,8 @@ static int rtase_init_one(struct pci_dev *pdev,
 		goto err_out_del_napi;
 	}
 
+	rtase_init_napi(tp);
+
 	rtase_init_netdev_ops(dev);
 
 	dev->pcpu_stat_type = NETDEV_PCPU_STAT_TSTATS;
-- 
2.34.1