lantiq: add a better fix to strip FCS from ethernet packets on XRX200

Signed-off-by: Felix Fietkau <[email protected]>

SVN-Revision: 44771

target/linux/lantiq/patches-3.18/0100-lantiq-xrx200-enable-remove-crc.patch

@@ -0,0 +1,25 @@
+--- a/drivers/net/ethernet/lantiq_xrx200.c
++++ b/drivers/net/ethernet/lantiq_xrx200.c
+@@ -143,6 +143,7 @@
+ #define PMAC_IPG_MASK		0xf
+ #define PMAC_HD_CTL_AS		0x0008
+ #define PMAC_HD_CTL_AC		0x0004
++#define PMAC_HD_CTL_RC		0x0010
+ #define PMAC_HD_CTL_RXSH	0x0040
+ #define PMAC_HD_CTL_AST		0x0080
+ #define PMAC_HD_CTL_RST		0x0100
+@@ -1502,12 +1503,12 @@ static void xrx200_hw_init(struct xrx200
+ #ifdef SW_ROUTING
+ 	/* enable status header, enable CRC */
+ 	ltq_pmac_w32_mask(0,
+-		PMAC_HD_CTL_RST | PMAC_HD_CTL_AST | PMAC_HD_CTL_RXSH | PMAC_HD_CTL_AS | PMAC_HD_CTL_AC,
++		PMAC_HD_CTL_RST | PMAC_HD_CTL_AST | PMAC_HD_CTL_RXSH | PMAC_HD_CTL_AS | PMAC_HD_CTL_AC | PMAC_HD_CTL_RC,
+ 		PMAC_HD_CTL);
+ #else
+ 	/* disable status header, enable CRC */
+ 	ltq_pmac_w32_mask(PMAC_HD_CTL_AST | PMAC_HD_CTL_RXSH | PMAC_HD_CTL_AS,
+-		PMAC_HD_CTL_AC,
++		PMAC_HD_CTL_AC | PMAC_HD_CTL_RC,
+ 		PMAC_HD_CTL);
+ #endif
+