netdev - [PATCH net-next 13/18] ravb: Factorise ravb

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Date:   Thu, 22 Jul 2021 15:13:46 +0100
From:   Biju Das <biju.das.jz@...renesas.com>
To:     "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>
Cc:     Biju Das <biju.das.jz@...renesas.com>,
        Sergei Shtylyov <sergei.shtylyov@...il.com>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Sergey Shtylyov <s.shtylyov@...russia.ru>,
        Adam Ford <aford173@...il.com>, Andrew Lunn <andrew@...n.ch>,
        Yuusuke Ashizuka <ashiduka@...itsu.com>,
        Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>,
        netdev@...r.kernel.org, linux-renesas-soc@...r.kernel.org,
        Chris Paterson <Chris.Paterson2@...esas.com>,
        Biju Das <biju.das@...renesas.com>,
        Prabhakar Mahadev Lad <prabhakar.mahadev-lad.rj@...renesas.com>
Subject: [PATCH net-next 13/18] ravb: Factorise ravb_rx function

R-Car uses extended descriptor where as RZ/G2L uses normal
descriptor. Factorise ravb_rx function to support the later.

Signed-off-by: Biju Das <biju.das.jz@...renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
---
 drivers/net/ethernet/renesas/ravb.h      |  1 +
 drivers/net/ethernet/renesas/ravb_main.c | 11 ++++++++++-
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/renesas/ravb.h b/drivers/net/ethernet/renesas/ravb.h
index 4d5910dcda86..8a35b0ca1183 100644
--- a/drivers/net/ethernet/renesas/ravb.h
+++ b/drivers/net/ethernet/renesas/ravb.h
@@ -994,6 +994,7 @@ struct ravb_ops {
 	bool (*alloc_rx_desc)(struct net_device *ndev, int q);
 	void (*emac_init)(struct net_device *ndev);
 	void (*dmac_init)(struct net_device *ndev);
+	bool (*receive)(struct net_device *ndev, int *quota, int q);
 };
 
 struct ravb_drv_data {
diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c
index e200114376e4..a0f19c6f8833 100644
--- a/drivers/net/ethernet/renesas/ravb_main.c
+++ b/drivers/net/ethernet/renesas/ravb_main.c
@@ -607,7 +607,7 @@ static void ravb_rx_csum(struct sk_buff *skb)
 }
 
 /* Packet receive function for Ethernet AVB */
-static bool ravb_rx(struct net_device *ndev, int *quota, int q)
+static bool ravb_ex_rx(struct net_device *ndev, int *quota, int q)
 {
 	struct ravb_private *priv = netdev_priv(ndev);
 	int entry = priv->cur_rx[q] % priv->num_rx_ring[q];
@@ -722,6 +722,14 @@ static bool ravb_rx(struct net_device *ndev, int *quota, int q)
 	return boguscnt <= 0;
 }
 
+static bool ravb_rx(struct net_device *ndev, int *quota, int q)
+{
+	struct ravb_private *priv = netdev_priv(ndev);
+	const struct ravb_drv_data *info = priv->info;
+
+	return info->ravb_ops->receive(ndev, quota, q);
+}
+
 static void ravb_rcv_snd_disable(struct net_device *ndev)
 {
 	/* Disable TX and RX */
@@ -2036,6 +2044,7 @@ static const struct ravb_ops ravb_gen3_ops = {
 	.alloc_rx_desc = ravb_alloc_rx_desc,
 	.emac_init = ravb_emac_init_ex,
 	.dmac_init = ravb_dmac_init_ex,
+	.receive = ravb_ex_rx,
 };
 
 static const struct ravb_drv_data ravb_gen3_data = {
-- 
2.17.1