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

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Signed-off-by: Felix Fietkau <nbd@openwrt.org>

SVN-Revision: 44771
This commit is contained in:
Felix Fietkau 2015-03-15 09:47:34 +00:00
parent 4568e73396
commit d8d9282372
1 changed files with 25 additions and 0 deletions
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25
target/linux/lantiq/patches-3.18/0100-lantiq-xrx200-enable-remove-crc.patch Normal file
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@ -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