From: Sven Van Asbroeck <thesven73@gmail.com>
To: Bryan Whitehead <bryan.whitehead@microchip.com>,
UNGLinuxDriver@microchip.com,
David S Miller <davem@davemloft.net>,
Jakub Kicinski <kuba@kernel.org>
Cc: "Sven Van Asbroeck" <thesven73@gmail.com>,
"Andrew Lunn" <andrew@lunn.ch>,
"Alexey Denisov" <rtgbnm@gmail.com>,
"Sergej Bauer" <sbauer@blackbox.su>,
"Tim Harvey" <tharvey@gateworks.com>,
"Anders Rønningen" <anders@ronningen.priv.no>,
"Hillf Danton" <hdanton@sina.com>,
"Christoph Hellwig" <hch@lst.de>,
"Willem de Bruijn" <willemdebruijn.kernel@gmail.com>,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH net-next v2 3/5] TEST ONLY: lan743x: limit rx ring buffer size to 500 bytes
Date: Thu, 11 Feb 2021 11:18:28 -0500 [thread overview]
Message-ID: <20210211161830.17366-4-TheSven73@gmail.com> (raw)
In-Reply-To: <20210211161830.17366-1-TheSven73@gmail.com>
From: Sven Van Asbroeck <thesven73@gmail.com>
Signed-off-by: Sven Van Asbroeck <thesven73@gmail.com>
---
To: Bryan Whitehead <bryan.whitehead@microchip.com>
To: UNGLinuxDriver@microchip.com
To: "David S. Miller" <davem@davemloft.net>
To: Jakub Kicinski <kuba@kernel.org>
Cc: Andrew Lunn <andrew@lunn.ch>
Cc: Alexey Denisov <rtgbnm@gmail.com>
Cc: Sergej Bauer <sbauer@blackbox.su>
Cc: Tim Harvey <tharvey@gateworks.com>
Cc: Anders Rønningen <anders@ronningen.priv.no>
Cc: Hillf Danton <hdanton@sina.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Willem de Bruijn <willemdebruijn.kernel@gmail.com>
Cc: netdev@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
drivers/net/ethernet/microchip/lan743x_main.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/microchip/lan743x_main.c b/drivers/net/ethernet/microchip/lan743x_main.c
index 36cc67c72851..90d49231494d 100644
--- a/drivers/net/ethernet/microchip/lan743x_main.c
+++ b/drivers/net/ethernet/microchip/lan743x_main.c
@@ -1973,7 +1973,7 @@ static int lan743x_rx_init_ring_element(struct lan743x_rx *rx, int index)
struct sk_buff *skb;
dma_addr_t dma_ptr;
- buffer_length = netdev->mtu + ETH_HLEN + 4 + RX_HEAD_PADDING;
+ buffer_length = 500 + ETH_HLEN + 4 + RX_HEAD_PADDING;
descriptor = &rx->ring_cpu_ptr[index];
buffer_info = &rx->buffer_info[index];
--
2.17.1
next prev parent reply other threads:[~2021-02-11 17:19 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-11 16:18 [PATCH net-next v2 0/5] lan743x speed boost Sven Van Asbroeck
2021-02-11 16:18 ` [PATCH net-next v2 1/5] lan743x: boost performance on cpu archs w/o dma cache snooping Sven Van Asbroeck
2021-02-12 0:18 ` Sergej Bauer
2021-02-12 0:27 ` Sven Van Asbroeck
2021-02-12 1:31 ` Sergej Bauer
2021-02-12 20:22 ` Bryan.Whitehead
2021-02-11 16:18 ` [PATCH net-next v2 2/5] lan743x: sync only the received area of an rx ring buffer Sven Van Asbroeck
2021-02-12 20:45 ` Bryan.Whitehead
2021-02-12 22:38 ` Sven Van Asbroeck
2021-02-13 19:15 ` Bryan.Whitehead
2021-02-11 16:18 ` Sven Van Asbroeck [this message]
2021-02-11 16:18 ` [PATCH net-next v2 4/5] TEST ONLY: lan743x: skb_alloc failure test Sven Van Asbroeck
2021-02-11 16:18 ` [PATCH net-next v2 5/5] TEST ONLY: lan743x: skb_trim " Sven Van Asbroeck
2021-02-12 20:15 ` [PATCH net-next v2 0/5] lan743x speed boost Bryan.Whitehead
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