From: <stefanc@marvell.com>
To: <netdev@vger.kernel.org>
Cc: <thomas.petazzoni@bootlin.com>, <davem@davemloft.net>,
<nadavh@marvell.com>, <ymarkman@marvell.com>,
<linux-kernel@vger.kernel.org>, <stefanc@marvell.com>,
<kuba@kernel.org>, <linux@armlinux.org.uk>, <mw@semihalf.com>,
<andrew@lunn.ch>, <rmk+kernel@armlinux.org.uk>,
<atenart@kernel.org>
Subject: [PATCH v6 net-next 17/18] net: mvpp2: limit minimum ring size to 1024 descriptors
Date: Sun, 31 Jan 2021 11:51:03 +0200 [thread overview]
Message-ID: <1612086664-23972-18-git-send-email-stefanc@marvell.com> (raw)
In-Reply-To: <1612086664-23972-1-git-send-email-stefanc@marvell.com>
From: Stefan Chulski <stefanc@marvell.com>
To support Flow Control ring size should be at least 1024 descriptors.
Signed-off-by: Stefan Chulski <stefanc@marvell.com>
---
drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
index 7632810..98849b0 100644
--- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
+++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
@@ -4543,6 +4543,8 @@ static int mvpp2_check_ringparam_valid(struct net_device *dev,
if (ring->rx_pending > MVPP2_MAX_RXD_MAX)
new_rx_pending = MVPP2_MAX_RXD_MAX;
+ else if (ring->rx_pending < MSS_THRESHOLD_START)
+ new_rx_pending = MSS_THRESHOLD_START;
else if (!IS_ALIGNED(ring->rx_pending, 16))
new_rx_pending = ALIGN(ring->rx_pending, 16);
--
1.9.1
next prev parent reply other threads:[~2021-01-31 10:49 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-31 9:50 [PATCH v6 net-next 00/18] net: mvpp2: Add TX Flow Control support stefanc
2021-01-31 9:50 ` [PATCH v6 net-next 01/18] doc: marvell: add cm3-mem device tree bindings description stefanc
2021-01-31 9:50 ` [PATCH v6 net-next 02/18] dts: marvell: add CM3 SRAM memory to cp115 ethernet device tree stefanc
2021-01-31 9:50 ` [PATCH v6 net-next 04/18] doc: marvell: add PPv2.3 description to marvell-pp2.txt stefanc
2021-01-31 9:50 ` [PATCH v6 net-next 09/18] net: mvpp2: add FCA periodic timer configurations stefanc
2021-01-31 9:50 ` [PATCH v6 net-next 10/18] net: mvpp2: add FCA RXQ non occupied descriptor threshold stefanc
2021-01-31 9:50 ` [PATCH v6 net-next 11/18] net: mvpp2: enable global flow control stefanc
2021-01-31 9:50 ` [PATCH v6 net-next 13/18] net: mvpp2: add ethtool flow control configuration support stefanc
2021-01-31 9:51 ` [PATCH v6 net-next 14/18] net: mvpp2: add BM protection underrun feature support stefanc
2021-01-31 9:51 ` [PATCH v6 net-next 15/18] net: mvpp2: add PPv23 RX FIFO flow control stefanc
2021-01-31 9:51 ` stefanc [this message]
2021-01-31 9:51 ` [PATCH v6 net-next 18/18] net: mvpp2: add TX FC firmware check stefanc
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