Commit 8d558f02 authored Dec 18, 2019 by Jose Abreu Committed by David S. Miller Dec 18, 2019

net: stmmac: RX buffer size must be 16 byte aligned



We need to align the RX buffer size to at least 16 byte so that IP
doesn't mis-behave. This is required by HW.

Changes from v2:
- Align UP and not DOWN (David)

Fixes: 7ac6653a ("stmmac: Move the STMicroelectronics driver")
Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 11d55fd9

drivers/net/ethernet/stmicro/stmmac/stmmac_main.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -46,7 +46,7 @@
		#include "dwxgmac2.h"
		#include "hwif.h"

		#define STMMAC_ALIGN(x) __ALIGN_KERNEL(x, SMP_CACHE_BYTES)
		#define STMMAC_ALIGN(x) ALIGN(ALIGN(x, SMP_CACHE_BYTES), 16)
		#define TSO_MAX_BUFF_SIZE (SZ_16K - 1)

		/* Module parameters */

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