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authorNithin Sujir <nsujir@broadcom.com>2013-12-06 18:53:17 +0100
committerDavid S. Miller <davem@davemloft.net>2013-12-06 21:10:53 +0100
commit7c786065b12344ada19e11fa1043555dfeda478a (patch)
tree48db84c424ad3da10c368b97ba662ddbecb5c7e4 /drivers/net/ethernet/broadcom/tg3.c
parenttg3: Don't add rxbds_empty to rx_over_errors (diff)
downloadlinux-7c786065b12344ada19e11fa1043555dfeda478a.tar.xz
linux-7c786065b12344ada19e11fa1043555dfeda478a.zip
tg3: Add flag to disable 1G Half Duplex advertisement
Some link partners have issues if the non-standard 1G half duplex is advertised. This patch adds support for an nvram setting to disable the advertisement. Signed-off-by: Nithin Nayak Sujir <nsujir@broadcom.com> Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/broadcom/tg3.c')
-rw-r--r--drivers/net/ethernet/broadcom/tg3.c28
1 files changed, 21 insertions, 7 deletions
diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c
index 886d50b72cde..e8847ccc6399 100644
--- a/drivers/net/ethernet/broadcom/tg3.c
+++ b/drivers/net/ethernet/broadcom/tg3.c
@@ -4403,9 +4403,12 @@ static void tg3_phy_copper_begin(struct tg3 *tp)
if (tg3_flag(tp, WOL_SPEED_100MB))
adv |= ADVERTISED_100baseT_Half |
ADVERTISED_100baseT_Full;
- if (tp->phy_flags & TG3_PHYFLG_1G_ON_VAUX_OK)
- adv |= ADVERTISED_1000baseT_Half |
- ADVERTISED_1000baseT_Full;
+ if (tp->phy_flags & TG3_PHYFLG_1G_ON_VAUX_OK) {
+ if (!(tp->phy_flags &
+ TG3_PHYFLG_DISABLE_1G_HD_ADV))
+ adv |= ADVERTISED_1000baseT_Half;
+ adv |= ADVERTISED_1000baseT_Full;
+ }
fc = FLOW_CTRL_TX | FLOW_CTRL_RX;
} else {
@@ -14917,7 +14920,8 @@ static void tg3_get_eeprom_hw_cfg(struct tg3 *tp)
tg3_read_mem(tp, NIC_SRAM_DATA_SIG, &val);
if (val == NIC_SRAM_DATA_SIG_MAGIC) {
u32 nic_cfg, led_cfg;
- u32 nic_phy_id, ver, cfg2 = 0, cfg4 = 0, eeprom_phy_id;
+ u32 cfg2 = 0, cfg4 = 0, cfg5 = 0;
+ u32 nic_phy_id, ver, eeprom_phy_id;
int eeprom_phy_serdes = 0;
tg3_read_mem(tp, NIC_SRAM_DATA_CFG, &nic_cfg);
@@ -14934,6 +14938,11 @@ static void tg3_get_eeprom_hw_cfg(struct tg3 *tp)
if (tg3_asic_rev(tp) == ASIC_REV_5785)
tg3_read_mem(tp, NIC_SRAM_DATA_CFG_4, &cfg4);
+ if (tg3_asic_rev(tp) == ASIC_REV_5717 ||
+ tg3_asic_rev(tp) == ASIC_REV_5719 ||
+ tg3_asic_rev(tp) == ASIC_REV_5720)
+ tg3_read_mem(tp, NIC_SRAM_DATA_CFG_5, &cfg5);
+
if ((nic_cfg & NIC_SRAM_DATA_CFG_PHY_TYPE_MASK) ==
NIC_SRAM_DATA_CFG_PHY_TYPE_FIBER)
eeprom_phy_serdes = 1;
@@ -15086,6 +15095,9 @@ static void tg3_get_eeprom_hw_cfg(struct tg3 *tp)
tg3_flag_set(tp, RGMII_EXT_IBND_RX_EN);
if (cfg4 & NIC_SRAM_RGMII_EXT_IBND_TX_EN)
tg3_flag_set(tp, RGMII_EXT_IBND_TX_EN);
+
+ if (cfg5 & NIC_SRAM_DISABLE_1G_HALF_ADV)
+ tp->phy_flags |= TG3_PHYFLG_DISABLE_1G_HD_ADV;
}
done:
if (tg3_flag(tp, WOL_CAP))
@@ -15181,9 +15193,11 @@ static void tg3_phy_init_link_config(struct tg3 *tp)
{
u32 adv = ADVERTISED_Autoneg;
- if (!(tp->phy_flags & TG3_PHYFLG_10_100_ONLY))
- adv |= ADVERTISED_1000baseT_Half |
- ADVERTISED_1000baseT_Full;
+ if (!(tp->phy_flags & TG3_PHYFLG_10_100_ONLY)) {
+ if (!(tp->phy_flags & TG3_PHYFLG_DISABLE_1G_HD_ADV))
+ adv |= ADVERTISED_1000baseT_Half;
+ adv |= ADVERTISED_1000baseT_Full;
+ }
if (!(tp->phy_flags & TG3_PHYFLG_ANY_SERDES))
adv |= ADVERTISED_100baseT_Half |