Messages in this thread Patch in this message | | | From | <> | 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 |
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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
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