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authorJose Abreu <Jose.Abreu@synopsys.com>2019-12-18 11:17:41 +0100
committerDavid S. Miller <davem@davemloft.net>2019-12-18 21:04:18 +0100
commit8605131747e7e1fd8f6c9f97a00287aae2b2c640 (patch)
treee1214c83095af0fee377fc5faceb5c918cd8de25 /drivers
parentnet: stmmac: RX buffer size must be 16 byte aligned (diff)
downloadlinux-8605131747e7e1fd8f6c9f97a00287aae2b2c640.tar.xz
linux-8605131747e7e1fd8f6c9f97a00287aae2b2c640.zip
net: stmmac: 16KB buffer must be 16 byte aligned
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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/common.h5
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/common.h b/drivers/net/ethernet/stmicro/stmmac/common.h
index b210e987a1db..94f94686cf7d 100644
--- a/drivers/net/ethernet/stmicro/stmmac/common.h
+++ b/drivers/net/ethernet/stmicro/stmmac/common.h
@@ -365,9 +365,8 @@ 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