From 6b1f3900fc0909fbf3bd672242378015f76b3df8 Mon Sep 17 00:00:00 2001 From: Yaniv Rosner Date: Wed, 7 Sep 2011 00:47:54 +0000 Subject: [PATCH] bnx2x: Enable FEC for 57810-KR Enable FEC(Forward Error Correction) for 57810-KR to reduce link errors. Signed-off-by: Yaniv Rosner Signed-off-by: Eilon Greenstein Signed-off-by: David S. Miller --- drivers/net/bnx2x/bnx2x_link.c | 6 ++++++ drivers/net/bnx2x/bnx2x_reg.h | 3 +++ 2 files changed, 9 insertions(+) diff --git a/drivers/net/bnx2x/bnx2x_link.c b/drivers/net/bnx2x/bnx2x_link.c index 9d381db16516..f7a7ac3e889c 100644 --- a/drivers/net/bnx2x/bnx2x_link.c +++ b/drivers/net/bnx2x/bnx2x_link.c @@ -3624,6 +3624,12 @@ static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy, bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, val16); + /* Advertised and set FEC (Forward Error Correction) */ + bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, + MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT2, + (MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_ABILITY | + MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_REQ)); + /* Enable CL37 BAM */ if (REG_RD(bp, params->shmem_base + offsetof(struct shmem_region, dev_info. diff --git a/drivers/net/bnx2x/bnx2x_reg.h b/drivers/net/bnx2x/bnx2x_reg.h index dac217d478f2..057738623ba4 100644 --- a/drivers/net/bnx2x/bnx2x_reg.h +++ b/drivers/net/bnx2x/bnx2x_reg.h @@ -6853,6 +6853,9 @@ Theotherbitsarereservedandshouldbezero*/ #define MDIO_WC_REG_IEEE0BLK_AUTONEGNP 0x7 #define MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT0 0x10 #define MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1 0x11 +#define MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT2 0x12 +#define MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_ABILITY 0x4000 +#define MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_REQ 0x8000 #define MDIO_WC_REG_PMD_IEEE9BLK_TENGBASE_KR_PMD_CONTROL_REGISTER_150 0x96 #define MDIO_WC_REG_XGXSBLK0_XGXSCONTROL 0x8000 #define MDIO_WC_REG_XGXSBLK0_MISCCONTROL1 0x800e