aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--drivers/net/bnx2x_link.c37
-rw-r--r--drivers/net/bnx2x_reg.h4
2 files changed, 41 insertions, 0 deletions
diff --git a/drivers/net/bnx2x_link.c b/drivers/net/bnx2x_link.c
index bf1021ed5dd..4c16a46f0ca 100644
--- a/drivers/net/bnx2x_link.c
+++ b/drivers/net/bnx2x_link.c
@@ -1621,6 +1621,39 @@ static u8 bnx2x_ext_phy_resolve_fc(struct link_params *params,
return ret;
}
+static u8 bnx2x_direct_parallel_detect_used(struct link_params *params)
+{
+ struct bnx2x *bp = params->bp;
+ u16 pd_10g, status2_1000x;
+ CL45_RD_OVER_CL22(bp, params->port,
+ params->phy_addr,
+ MDIO_REG_BANK_SERDES_DIGITAL,
+ MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
+ &status2_1000x);
+ CL45_RD_OVER_CL22(bp, params->port,
+ params->phy_addr,
+ MDIO_REG_BANK_SERDES_DIGITAL,
+ MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
+ &status2_1000x);
+ if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
+ DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n",
+ params->port);
+ return 1;
+ }
+
+ CL45_RD_OVER_CL22(bp, params->port,
+ params->phy_addr,
+ MDIO_REG_BANK_10G_PARALLEL_DETECT,
+ MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
+ &pd_10g);
+
+ if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
+ DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n",
+ params->port);
+ return 1;
+ }
+ return 0;
+}
static void bnx2x_flow_ctrl_resolve(struct link_params *params,
struct link_vars *vars,
@@ -1639,6 +1672,10 @@ static void bnx2x_flow_ctrl_resolve(struct link_params *params,
(!(vars->phy_flags & PHY_SGMII_FLAG)) &&
(XGXS_EXT_PHY_TYPE(params->ext_phy_config) ==
PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)) {
+ if (bnx2x_direct_parallel_detect_used(params)) {
+ vars->flow_ctrl = params->req_fc_auto_adv;
+ return;
+ }
if ((gp_status &
(MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
diff --git a/drivers/net/bnx2x_reg.h b/drivers/net/bnx2x_reg.h
index b80fde44c85..4be9bab42f5 100644
--- a/drivers/net/bnx2x_reg.h
+++ b/drivers/net/bnx2x_reg.h
@@ -4920,6 +4920,8 @@
#define MDIO_REG_BANK_10G_PARALLEL_DETECT 0x8130
+#define MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS 0x10
+#define MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK 0x8000
#define MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL 0x11
#define MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN 0x1
#define MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK 0x13
@@ -4944,6 +4946,8 @@
#define MDIO_SERDES_DIGITAL_A_1000X_STATUS1_SPEED_1G 0x0010
#define MDIO_SERDES_DIGITAL_A_1000X_STATUS1_SPEED_100M 0x0008
#define MDIO_SERDES_DIGITAL_A_1000X_STATUS1_SPEED_10M 0x0000
+#define MDIO_SERDES_DIGITAL_A_1000X_STATUS2 0x15
+#define MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED 0x0002
#define MDIO_SERDES_DIGITAL_MISC1 0x18
#define MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_MASK 0xE000
#define MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_25M 0x0000