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authorMatt Carlson <mcarlson@broadcom.com>2011-11-21 19:01:20 +0400
committerDavid S. Miller <davem@davemloft.net>2011-11-23 01:01:34 +0400
commite348c5e7de4a759a94eed4d0303ba81a4939f8b9 (patch)
treec5e9e51da7bd1f5b00e01cb999422e5d2e7dbfe8
parentfa6b2aae6ab5ae1ce4b65c1872477c4b794d338e (diff)
downloadlinux-e348c5e7de4a759a94eed4d0303ba81a4939f8b9.tar.xz
tg3: Add MDI-X reporting
This patch adds MDI-X state reporting. Signed-off-by: Matt Carlson <mcarlson@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/net/ethernet/broadcom/tg3.c24
-rw-r--r--drivers/net/ethernet/broadcom/tg3.h5
2 files changed, 28 insertions, 1 deletions
diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c
index 6a25e5860ba5..0acb279dcf5c 100644
--- a/drivers/net/ethernet/broadcom/tg3.c
+++ b/drivers/net/ethernet/broadcom/tg3.c
@@ -3932,6 +3932,7 @@ static int tg3_setup_copper_phy(struct tg3 *tp, int force_reset)
current_link_up = 0;
current_speed = SPEED_INVALID;
current_duplex = DUPLEX_INVALID;
+ tp->phy_flags &= ~TG3_PHYFLG_MDIX_STATE;
if (tp->phy_flags & TG3_PHYFLG_CAPACITIVE_COUPLING) {
err = tg3_phy_auxctl_read(tp,
@@ -4004,8 +4005,22 @@ static int tg3_setup_copper_phy(struct tg3 *tp, int force_reset)
}
if (current_link_up == 1 &&
- tp->link_config.active_duplex == DUPLEX_FULL)
+ tp->link_config.active_duplex == DUPLEX_FULL) {
+ u32 reg, bit;
+
+ if (tp->phy_flags & TG3_PHYFLG_IS_FET) {
+ reg = MII_TG3_FET_GEN_STAT;
+ bit = MII_TG3_FET_GEN_STAT_MDIXSTAT;
+ } else {
+ reg = MII_TG3_EXT_STAT;
+ bit = MII_TG3_EXT_STAT_MDIX;
+ }
+
+ if (!tg3_readphy(tp, reg, &val) && (val & bit))
+ tp->phy_flags |= TG3_PHYFLG_MDIX_STATE;
+
tg3_setup_flow_control(tp, lcl_adv, rmt_adv);
+ }
}
relink:
@@ -10290,9 +10305,16 @@ static int tg3_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
if (netif_running(dev)) {
ethtool_cmd_speed_set(cmd, tp->link_config.active_speed);
cmd->duplex = tp->link_config.active_duplex;
+ if (!(tp->phy_flags & TG3_PHYFLG_ANY_SERDES)) {
+ if (tp->phy_flags & TG3_PHYFLG_MDIX_STATE)
+ cmd->eth_tp_mdix = ETH_TP_MDI_X;
+ else
+ cmd->eth_tp_mdix = ETH_TP_MDI;
+ }
} else {
ethtool_cmd_speed_set(cmd, SPEED_INVALID);
cmd->duplex = DUPLEX_INVALID;
+ cmd->eth_tp_mdix = ETH_TP_MDI_INVALID;
}
cmd->phy_address = tp->phy_addr;
cmd->transceiver = XCVR_INTERNAL;
diff --git a/drivers/net/ethernet/broadcom/tg3.h b/drivers/net/ethernet/broadcom/tg3.h
index 8e2f380f893a..9cc10a868dcd 100644
--- a/drivers/net/ethernet/broadcom/tg3.h
+++ b/drivers/net/ethernet/broadcom/tg3.h
@@ -2174,6 +2174,7 @@
#define MII_TG3_EXT_CTRL_TBI 0x8000
#define MII_TG3_EXT_STAT 0x11 /* Extended status register */
+#define MII_TG3_EXT_STAT_MDIX 0x2000
#define MII_TG3_EXT_STAT_LPASS 0x0100
#define MII_TG3_RXR_COUNTERS 0x14 /* Local/Remote Receiver Counts */
@@ -2277,6 +2278,9 @@
#define MII_TG3_FET_PTEST_FRC_TX_LINK 0x1000
#define MII_TG3_FET_PTEST_FRC_TX_LOCK 0x0800
+#define MII_TG3_FET_GEN_STAT 0x1c
+#define MII_TG3_FET_GEN_STAT_MDIXSTAT 0x2000
+
#define MII_TG3_FET_TEST 0x1f
#define MII_TG3_FET_SHADOW_EN 0x0080
@@ -3135,6 +3139,7 @@ struct tg3 {
#define TG3_PHYFLG_SERDES_PREEMPHASIS 0x00010000
#define TG3_PHYFLG_PARALLEL_DETECT 0x00020000
#define TG3_PHYFLG_EEE_CAP 0x00040000
+#define TG3_PHYFLG_MDIX_STATE 0x00200000
u32 led_ctrl;
u32 phy_otp;