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ixgbe: add support for active DA cables

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This patch adds support of active DA cables.  This is
renaming and adding some PHY type enumerations.

Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Don Skidmore
2010-05-18 16:00:13 +00:00
committed by David S. Miller
parent 33c66bd10f
commit ea0a04dfc1
6 changed files with 54 additions and 14 deletions
Download Patch File Download Diff File Expand all files Collapse all files

38
drivers/net/ixgbe/ixgbe_phy.c
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@@ -531,6 +531,7 @@ s32 ixgbe_identify_sfp_module_generic(struct ixgbe_hw *hw)
u8 comp_codes_10g = 0;
u8 oui_bytes[3] = {0, 0, 0};
u8 cable_tech = 0;
u8 cable_spec = 0;
u16 enforce_sfp = 0;
if (hw->mac.ops.get_media_type(hw) != ixgbe_media_type_fiber) {
@@ -580,14 +581,30 @@ s32 ixgbe_identify_sfp_module_generic(struct ixgbe_hw *hw)
else
hw->phy.sfp_type = ixgbe_sfp_type_unknown;
} else if (hw->mac.type == ixgbe_mac_82599EB) {
if (cable_tech & IXGBE_SFF_DA_PASSIVE_CABLE)
if (cable_tech & IXGBE_SFF_DA_PASSIVE_CABLE) {
if (hw->bus.lan_id == 0)
hw->phy.sfp_type =
ixgbe_sfp_type_da_cu_core0;
else
hw->phy.sfp_type =
ixgbe_sfp_type_da_cu_core1;
else if (comp_codes_10g & IXGBE_SFF_10GBASESR_CAPABLE)
} else if (cable_tech & IXGBE_SFF_DA_ACTIVE_CABLE) {
hw->phy.ops.read_i2c_eeprom(
hw, IXGBE_SFF_CABLE_SPEC_COMP,
&cable_spec);
if (cable_spec &
IXGBE_SFF_DA_SPEC_ACTIVE_LIMITING) {
if (hw->bus.lan_id == 0)
hw->phy.sfp_type =
ixgbe_sfp_type_da_act_lmt_core0;
else
hw->phy.sfp_type =
ixgbe_sfp_type_da_act_lmt_core1;
} else {
hw->phy.sfp_type =
ixgbe_sfp_type_unknown;
}
} else if (comp_codes_10g & IXGBE_SFF_10GBASESR_CAPABLE)
if (hw->bus.lan_id == 0)
hw->phy.sfp_type =
ixgbe_sfp_type_srlr_core0;
@@ -637,10 +654,14 @@ s32 ixgbe_identify_sfp_module_generic(struct ixgbe_hw *hw)
switch (vendor_oui) {
case IXGBE_SFF_VENDOR_OUI_TYCO:
if (cable_tech & IXGBE_SFF_DA_PASSIVE_CABLE)
hw->phy.type = ixgbe_phy_tw_tyco;
hw->phy.type =
ixgbe_phy_sfp_passive_tyco;
break;
case IXGBE_SFF_VENDOR_OUI_FTL:
hw->phy.type = ixgbe_phy_sfp_ftl;
if (cable_tech & IXGBE_SFF_DA_ACTIVE_CABLE)
hw->phy.type = ixgbe_phy_sfp_ftl_active;
else
hw->phy.type = ixgbe_phy_sfp_ftl;
break;
case IXGBE_SFF_VENDOR_OUI_AVAGO:
hw->phy.type = ixgbe_phy_sfp_avago;
@@ -650,7 +671,11 @@ s32 ixgbe_identify_sfp_module_generic(struct ixgbe_hw *hw)
break;
default:
if (cable_tech & IXGBE_SFF_DA_PASSIVE_CABLE)
hw->phy.type = ixgbe_phy_tw_unknown;
hw->phy.type =
ixgbe_phy_sfp_passive_unknown;
else if (cable_tech & IXGBE_SFF_DA_ACTIVE_CABLE)
hw->phy.type =
ixgbe_phy_sfp_active_unknown;
else
hw->phy.type = ixgbe_phy_sfp_unknown;
break;
@@ -658,7 +683,8 @@ s32 ixgbe_identify_sfp_module_generic(struct ixgbe_hw *hw)
}
/* All passive DA cables are supported */
if (cable_tech & IXGBE_SFF_DA_PASSIVE_CABLE) {
if (cable_tech & (IXGBE_SFF_DA_PASSIVE_CABLE |
IXGBE_SFF_DA_ACTIVE_CABLE)) {
status = 0;
goto out;
}