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 13/18] ravb: Add rx_ring_free function support for GbEthernet
Date: Thu, 23 Sep 2021 15:08:08 +0100 [thread overview]
Message-ID: <20210923140813.13541-14-biju.das.jz@bp.renesas.com> (raw)
In-Reply-To: <20210923140813.13541-1-biju.das.jz@bp.renesas.com>
This patch adds rx_ring_free function support 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 | 22 +++++++++++++++++++++-
1 file changed, 21 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c
index 2c375002ebcb..038af36141bb 100644
--- a/drivers/net/ethernet/renesas/ravb_main.c
+++ b/drivers/net/ethernet/renesas/ravb_main.c
@@ -236,7 +236,27 @@ static int ravb_tx_free(struct net_device *ndev, int q, bool free_txed_only)
static void ravb_rx_ring_free_rgeth(struct net_device *ndev, int q)
{
- /* Place holder */
+ struct ravb_private *priv = netdev_priv(ndev);
+ unsigned int ring_size;
+ unsigned int i;
+
+ if (!priv->rgeth_rx_ring[q])
+ return;
+
+ for (i = 0; i < priv->num_rx_ring[q]; i++) {
+ struct ravb_rx_desc *desc = &priv->rgeth_rx_ring[q][i];
+
+ if (!dma_mapping_error(ndev->dev.parent,
+ le32_to_cpu(desc->dptr)))
+ dma_unmap_single(ndev->dev.parent,
+ le32_to_cpu(desc->dptr),
+ RGETH_RX_BUFF_MAX,
+ DMA_FROM_DEVICE);
+ }
+ ring_size = sizeof(struct ravb_rx_desc) * (priv->num_rx_ring[q] + 1);
+ dma_free_coherent(ndev->dev.parent, ring_size, priv->rgeth_rx_ring[q],
+ priv->rx_desc_dma[q]);
+ priv->rgeth_rx_ring[q] = NULL;
}
static void ravb_rx_ring_free(struct net_device *ndev, int q)
--
2.17.1
next prev 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 ` Biju Das [this message]
2021-09-27 19:28 ` [RFC/PATCH 13/18] ravb: Add rx_ring_free function support for GbEthernet 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 ` [RFC/PATCH 15/18] ravb: Add rx_alloc helper " Biju Das
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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