| From | Greg Kroah-Hartman <> | Subject | [PATCH 5.4 099/222] net: stmmac: 16KB buffer must be 16 byte aligned | Date | Wed, 22 Jan 2020 10:28:05 +0100 |
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From: Jose Abreu <Jose.Abreu@synopsys.com>
commit 8605131747e7e1fd8f6c9f97a00287aae2b2c640 upstream.
The 16KB RX Buffer must also be 16 byte aligned. Fix it.
Fixes: 7ac6653a085b ("stmmac: Move the STMicroelectronics driver") Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- drivers/net/ethernet/stmicro/stmmac/common.h | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-)
--- a/drivers/net/ethernet/stmicro/stmmac/common.h +++ b/drivers/net/ethernet/stmicro/stmmac/common.h @@ -364,9 +364,8 @@ struct dma_features { unsigned int arpoffsel; }; -/* GMAC TX FIFO is 8K, Rx FIFO is 16K */ -#define BUF_SIZE_16KiB 16384 -/* RX Buffer size must be < 8191 and multiple of 4/8/16 bytes */ +/* RX Buffer size must be multiple of 4/8/16 bytes */ +#define BUF_SIZE_16KiB 16368 #define BUF_SIZE_8KiB 8188 #define BUF_SIZE_4KiB 4096 #define BUF_SIZE_2KiB 2048
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