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From: Biju Das <biju.das.jz@bp.renesas.com>
To: "David S. Miller" <davem@davemloft.net>,
	Jakub Kicinski <kuba@kernel.org>
Cc: Biju Das <biju.das.jz@bp.renesas.com>,
	Sergey Shtylyov <s.shtylyov@omp.ru>,
	Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>,
	Andrew Lunn <andrew@lunn.ch>,
	Sergei Shtylyov <sergei.shtylyov@gmail.com>,
	Geert Uytterhoeven <geert+renesas@glider.be>,
	Adam Ford <aford173@gmail.com>,
	Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>,
	netdev@vger.kernel.org, linux-renesas-soc@vger.kernel.org,
	Chris Paterson <Chris.Paterson2@renesas.com>,
	Biju Das <biju.das@bp.renesas.com>
Subject: [RFC/PATCH 15/18] ravb: Add rx_alloc helper function for GbEthernet
Date: Thu, 23 Sep 2021 15:08:10 +0100	[thread overview]
Message-ID: <20210923140813.13541-16-biju.das.jz@bp.renesas.com> (raw)
In-Reply-To: <20210923140813.13541-1-biju.das.jz@bp.renesas.com>

This patch adds rx_alloc helper function for GbEthernet found on
RZ/G2L SoC.

Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
---
 drivers/net/ethernet/renesas/ravb_main.c | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c
index ee1066fedc4a..a08da7a37b92 100644
--- a/drivers/net/ethernet/renesas/ravb_main.c
+++ b/drivers/net/ethernet/renesas/ravb_main.c
@@ -430,8 +430,15 @@ static void ravb_ring_format(struct net_device *ndev, int q)
 
 static void *ravb_rgeth_alloc_rx_desc(struct net_device *ndev, int q)
 {
-	/* Place holder */
-	return NULL;
+	struct ravb_private *priv = netdev_priv(ndev);
+	unsigned int ring_size;
+
+	ring_size = sizeof(struct ravb_rx_desc) * (priv->num_rx_ring[q] + 1);
+
+	priv->rgeth_rx_ring[q] = dma_alloc_coherent(ndev->dev.parent, ring_size,
+						    &priv->rx_desc_dma[q],
+						    GFP_KERNEL);
+	return priv->rgeth_rx_ring[q];
 }
 
 static void *ravb_alloc_rx_desc(struct net_device *ndev, int q)
-- 
2.17.1


  parent reply	other threads:[~2021-09-23 14:09 UTC|newest]

Thread overview: 79+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-23 14:07 [RFC/PATCH 00/18] Add Gigabit Ethernet driver support Biju Das
2021-09-23 14:07 ` [RFC/PATCH 01/18] ravb: Rename "ravb_set_features_rx_csum" function to "ravb_set_features_rcar" Biju Das
2021-09-27 19:54   ` Sergey Shtylyov
2021-09-23 14:07 ` [RFC/PATCH 02/18] ravb: Rename the variables "no_ptp_cfg_active" and "ptp_cfg_active" Biju Das
2021-09-23 16:07   ` Sergey Shtylyov
2021-09-23 16:35     ` Biju Das
2021-09-23 17:57       ` Sergey Shtylyov
2021-09-23 18:20         ` Biju Das
2021-09-26 13:34           ` Biju Das
2021-09-23 14:07 ` [RFC/PATCH 03/18] ravb: Initialize GbEthernet dmac Biju Das
2021-09-23 17:41   ` Sergey Shtylyov
2021-09-23 18:42     ` Biju Das
2021-09-23 19:07   ` Sergey Shtylyov
2021-09-23 19:22     ` Biju Das
2021-09-23 19:29       ` Biju Das
2021-09-26 13:38         ` Biju Das
2021-09-23 14:07 ` [RFC/PATCH 04/18] ravb: Enable aligned_tx and tx_counters for RZ/G2L Biju Das
2021-09-23 18:05   ` Sergey Shtylyov
2021-09-23 18:10     ` Sergey Shtylyov
2021-09-23 18:13     ` Biju Das
2021-09-26 13:40       ` Biju Das
2021-09-23 14:08 ` [RFC/PATCH 05/18] ravb: Exclude gPTP feature support " Biju Das
2021-09-23 19:00   ` Sergey Shtylyov
2021-09-23 19:13     ` Biju Das
2021-09-23 19:41       ` Sergey Shtylyov
2021-09-23 19:45         ` Biju Das
2021-09-26 13:48           ` Biju Das
2021-09-23 14:08 ` [RFC/PATCH 06/18] ravb: Add multi_tsrq to struct ravb_hw_info Biju Das
2021-09-23 20:19   ` Sergey Shtylyov
2021-09-24  6:19     ` Biju Das
2021-09-26 13:54       ` Biju Das
2021-09-23 14:08 ` [RFC/PATCH 07/18] ravb: Add magic_pkt " Biju Das
2021-09-23 20:42   ` Sergey Shtylyov
2021-09-24  6:24     ` Biju Das
2021-09-26 13:56       ` Biju Das
2021-09-23 14:08 ` [RFC/PATCH 08/18] ravb: Add mii_rgmii_selection " Biju Das
2021-09-24 19:49   ` Sergey Shtylyov
2021-09-25  6:23     ` Biju Das
2021-09-26 15:49       ` Biju Das
2021-09-23 14:08 ` [RFC/PATCH 09/18] ravb: Add half_duplex " Biju Das
2021-09-24 20:07   ` Sergey Shtylyov
2021-09-25  6:37     ` Biju Das
2021-09-26 15:51     ` Biju Das
2021-09-23 14:08 ` [RFC/PATCH 10/18] ravb: Initialize GbEthernet E-MAC Biju Das
2021-09-24 20:44   ` Sergey Shtylyov
2021-09-25  6:38     ` Biju Das
2021-09-23 14:08 ` [RFC/PATCH 11/18] ravb: Add rx_2k_buffers to struct ravb_hw_info Biju Das
2021-09-24 19:35   ` Sergey Shtylyov
2021-09-26 15:48     ` Biju Das
2021-09-23 14:08 ` [RFC/PATCH 12/18] ravb: Add timestamp " Biju Das
2021-09-25 20:52   ` Sergey Shtylyov
2021-09-26  6:34     ` Biju Das
2021-09-26 16:52       ` Biju Das
2021-09-26 20:45       ` Sergey Shtylyov
2021-09-26 20:48         ` Sergei Shtylyov
2021-09-27  6:10           ` Biju Das
2021-09-27  6:04         ` Biju Das
2021-09-23 14:08 ` [RFC/PATCH 13/18] ravb: Add rx_ring_free function support for GbEthernet Biju Das
2021-09-27 19:28   ` Sergey Shtylyov
2021-09-28  9:24     ` Biju Das
2021-09-23 14:08 ` [RFC/PATCH 14/18] ravb: Add rx_ring_format function " Biju Das
2021-09-27 20:32   ` Sergey Shtylyov
2021-09-29  7:49     ` Biju Das
2021-09-23 14:08 ` Biju Das [this message]
2021-09-23 14:08 ` [RFC/PATCH 16/18] ravb: Add Packet receive function for Gigabit Ethernet Biju Das
2021-10-01 17:27   ` Sergey Shtylyov
2021-10-04 14:56     ` Biju Das
2021-09-23 14:08 ` [RFC/PATCH 17/18] ravb: Add carrier_counters to struct ravb_hw_info Biju Das
2021-09-28 20:50   ` Sergey Shtylyov
2021-09-23 14:08 ` [RFC/PATCH 18/18] ravb: Add set_feature support for RZ/G2L Biju Das
2021-09-30 20:39   ` Sergey Shtylyov
2021-10-01  6:53     ` Biju Das
2021-10-01  9:13       ` Sergey Shtylyov
2021-10-01  9:26         ` Biju Das
2021-10-01  8:22     ` Biju Das
2021-09-23 15:11 ` [RFC/PATCH 00/18] Add Gigabit Ethernet driver support Sergey Shtylyov
2021-09-23 15:13   ` Sergey Shtylyov
2021-09-23 15:37   ` Jakub Kicinski
2021-09-23 17:43     ` Sergey Shtylyov

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