From: Shinas Rasheed <srasheed@marvell.com>
To: <netdev@vger.kernel.org>, <linux-kernel@vger.kernel.org>
Cc: <hgani@marvell.com>, <vimleshk@marvell.com>, <egallen@redhat.com>,
<mschmidt@redhat.com>, <pabeni@redhat.com>, <horms@kernel.org>,
<kuba@kernel.org>, <davem@davemloft.net>,
Shinas Rasheed <srasheed@marvell.com>,
Veerasenareddy Burru <vburru@marvell.com>,
"Sathesh Edara" <sedara@marvell.com>,
Eric Dumazet <edumazet@google.com>
Subject: [PATCH net-next 1/3] octeon_ep: remove dma sync in trasmit path
Date: Mon, 23 Oct 2023 04:44:46 -0700 [thread overview]
Message-ID: <20231023114449.2362147-2-srasheed@marvell.com> (raw)
In-Reply-To: <20231023114449.2362147-1-srasheed@marvell.com>
Cleanup dma sync calls for scatter gather
mappings in trasmit path
Signed-off-by: Shinas Rasheed <srasheed@marvell.com>
---
drivers/net/ethernet/marvell/octeon_ep/octep_main.c | 7 -------
1 file changed, 7 deletions(-)
diff --git a/drivers/net/ethernet/marvell/octeon_ep/octep_main.c b/drivers/net/ethernet/marvell/octeon_ep/octep_main.c
index 552970c7dec0..bf1e376a4232 100644
--- a/drivers/net/ethernet/marvell/octeon_ep/octep_main.c
+++ b/drivers/net/ethernet/marvell/octeon_ep/octep_main.c
@@ -869,9 +869,6 @@ static netdev_tx_t octep_start_xmit(struct sk_buff *skb,
if (dma_mapping_error(iq->dev, dma))
goto dma_map_err;
- dma_sync_single_for_cpu(iq->dev, tx_buffer->sglist_dma,
- OCTEP_SGLIST_SIZE_PER_PKT,
- DMA_TO_DEVICE);
memset(sglist, 0, OCTEP_SGLIST_SIZE_PER_PKT);
sglist[0].len[3] = len;
sglist[0].dma_ptr[0] = dma;
@@ -891,10 +888,6 @@ static netdev_tx_t octep_start_xmit(struct sk_buff *skb,
frag++;
si++;
}
- dma_sync_single_for_device(iq->dev, tx_buffer->sglist_dma,
- OCTEP_SGLIST_SIZE_PER_PKT,
- DMA_TO_DEVICE);
-
hw_desc->dptr = tx_buffer->sglist_dma;
}
--
2.25.1
next prev parent reply other threads:[~2023-10-23 11:45 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-23 11:44 [PATCH net-next 0/3] Cleanup and optimizations to transmit code Shinas Rasheed
2023-10-23 11:44 ` Shinas Rasheed [this message]
2023-10-23 12:02 ` [PATCH net-next 1/3] octeon_ep: remove dma sync in trasmit path Drewek, Wojciech
2023-10-23 11:44 ` [PATCH net-next 2/3] octeon_ep: implement xmit_more in transmit Shinas Rasheed
2023-10-23 12:13 ` Drewek, Wojciech
2023-10-23 16:08 ` Shinas Rasheed
2023-10-23 11:44 ` [PATCH net-next 3/3] octeon_ep: remove atomic variable usage in Tx data path Shinas Rasheed
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