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Date: Tue, 29 Jun 2010 21:30:59 -0700
From: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
To: davem@...emloft.net
Cc: netdev@...r.kernel.org, gospo@...hat.com, bphilips@...ell.com,
Don Skidmore <donald.c.skidmore@...el.com>,
Jeff Kirsher <jeffrey.t.kirsher@...el.com>
Subject: [net-next-2.6 PATCH] ixgbe: add 1g PHY support for 82599
From: Don Skidmore <donald.c.skidmore@...el.com>
Add support for 1G SFP+ PHY's to 82599.
Signed-off-by: Don Skidmore <donald.c.skidmore@...el.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
---
drivers/net/ixgbe/ixgbe_82599.c | 13 +++++++++++++
drivers/net/ixgbe/ixgbe_ethtool.c | 7 +++++++
drivers/net/ixgbe/ixgbe_phy.c | 33 +++++++++++++++++++++++++++++----
drivers/net/ixgbe/ixgbe_phy.h | 1 +
drivers/net/ixgbe/ixgbe_type.h | 2 ++
5 files changed, 52 insertions(+), 4 deletions(-)
diff --git a/drivers/net/ixgbe/ixgbe_82599.c b/drivers/net/ixgbe/ixgbe_82599.c
index 976fd9e..0ee175a 100644
--- a/drivers/net/ixgbe/ixgbe_82599.c
+++ b/drivers/net/ixgbe/ixgbe_82599.c
@@ -206,6 +206,14 @@ static s32 ixgbe_get_link_capabilities_82599(struct ixgbe_hw *hw,
s32 status = 0;
u32 autoc = 0;
+ /* Determine 1G link capabilities off of SFP+ type */
+ if (hw->phy.sfp_type == ixgbe_sfp_type_1g_cu_core0 ||
+ hw->phy.sfp_type == ixgbe_sfp_type_1g_cu_core1) {
+ *speed = IXGBE_LINK_SPEED_1GB_FULL;
+ *negotiation = true;
+ goto out;
+ }
+
/*
* Determine link capabilities based on the stored value of AUTOC,
* which represents EEPROM defaults. If AUTOC value has not been
@@ -2087,6 +2095,7 @@ static u32 ixgbe_get_supported_physical_layer_82599(struct ixgbe_hw *hw)
u32 pma_pmd_1g = autoc & IXGBE_AUTOC_1G_PMA_PMD_MASK;
u16 ext_ability = 0;
u8 comp_codes_10g = 0;
+ u8 comp_codes_1g = 0;
hw->phy.ops.identify(hw);
@@ -2167,11 +2176,15 @@ sfp_check:
case ixgbe_phy_sfp_intel:
case ixgbe_phy_sfp_unknown:
hw->phy.ops.read_i2c_eeprom(hw,
+ IXGBE_SFF_1GBE_COMP_CODES, &comp_codes_1g);
+ hw->phy.ops.read_i2c_eeprom(hw,
IXGBE_SFF_10GBE_COMP_CODES, &comp_codes_10g);
if (comp_codes_10g & IXGBE_SFF_10GBASESR_CAPABLE)
physical_layer = IXGBE_PHYSICAL_LAYER_10GBASE_SR;
else if (comp_codes_10g & IXGBE_SFF_10GBASELR_CAPABLE)
physical_layer = IXGBE_PHYSICAL_LAYER_10GBASE_LR;
+ else if (comp_codes_1g & IXGBE_SFF_1GBASET_CAPABLE)
+ physical_layer = IXGBE_PHYSICAL_LAYER_1000BASE_T;
break;
default:
break;
diff --git a/drivers/net/ixgbe/ixgbe_ethtool.c b/drivers/net/ixgbe/ixgbe_ethtool.c
index 873b45e..2e88fc6 100644
--- a/drivers/net/ixgbe/ixgbe_ethtool.c
+++ b/drivers/net/ixgbe/ixgbe_ethtool.c
@@ -234,6 +234,13 @@ static int ixgbe_get_settings(struct net_device *netdev,
case ixgbe_sfp_type_not_present:
ecmd->port = PORT_NONE;
break;
+ case ixgbe_sfp_type_1g_cu_core0:
+ case ixgbe_sfp_type_1g_cu_core1:
+ ecmd->port = PORT_TP;
+ ecmd->supported = SUPPORTED_TP;
+ ecmd->advertising = (ADVERTISED_1000baseT_Full |
+ ADVERTISED_TP);
+ break;
case ixgbe_sfp_type_unknown:
default:
ecmd->port = PORT_OTHER;
diff --git a/drivers/net/ixgbe/ixgbe_phy.c b/drivers/net/ixgbe/ixgbe_phy.c
index 48325a5..6c0d42e 100644
--- a/drivers/net/ixgbe/ixgbe_phy.c
+++ b/drivers/net/ixgbe/ixgbe_phy.c
@@ -577,6 +577,8 @@ s32 ixgbe_identify_sfp_module_generic(struct ixgbe_hw *hw)
* 6 SFP_SR/LR_CORE1 - 82599-specific
* 7 SFP_act_lmt_DA_CORE0 - 82599-specific
* 8 SFP_act_lmt_DA_CORE1 - 82599-specific
+ * 9 SFP_1g_cu_CORE0 - 82599-specific
+ * 10 SFP_1g_cu_CORE1 - 82599-specific
*/
if (hw->mac.type == ixgbe_mac_82598EB) {
if (cable_tech & IXGBE_SFF_DA_PASSIVE_CABLE)
@@ -625,6 +627,13 @@ s32 ixgbe_identify_sfp_module_generic(struct ixgbe_hw *hw)
else
hw->phy.sfp_type =
ixgbe_sfp_type_srlr_core1;
+ else if (comp_codes_1g & IXGBE_SFF_1GBASET_CAPABLE)
+ if (hw->bus.lan_id == 0)
+ hw->phy.sfp_type =
+ ixgbe_sfp_type_1g_cu_core0;
+ else
+ hw->phy.sfp_type =
+ ixgbe_sfp_type_1g_cu_core1;
else
hw->phy.sfp_type = ixgbe_sfp_type_unknown;
}
@@ -696,8 +705,10 @@ s32 ixgbe_identify_sfp_module_generic(struct ixgbe_hw *hw)
goto out;
}
- /* 1G SFP modules are not supported */
- if (comp_codes_10g == 0) {
+ /* Verify supported 1G SFP modules */
+ if (comp_codes_10g == 0 &&
+ !(hw->phy.sfp_type == ixgbe_sfp_type_1g_cu_core1 ||
+ hw->phy.sfp_type == ixgbe_sfp_type_1g_cu_core0)) {
hw->phy.type = ixgbe_phy_sfp_unsupported;
status = IXGBE_ERR_SFP_NOT_SUPPORTED;
goto out;
@@ -711,7 +722,9 @@ s32 ixgbe_identify_sfp_module_generic(struct ixgbe_hw *hw)
/* This is guaranteed to be 82599, no need to check for NULL */
hw->mac.ops.get_device_caps(hw, &enforce_sfp);
- if (!(enforce_sfp & IXGBE_DEVICE_CAPS_ALLOW_ANY_SFP)) {
+ if (!(enforce_sfp & IXGBE_DEVICE_CAPS_ALLOW_ANY_SFP) &&
+ !((hw->phy.sfp_type == ixgbe_sfp_type_1g_cu_core0) ||
+ (hw->phy.sfp_type == ixgbe_sfp_type_1g_cu_core1))) {
/* Make sure we're a supported PHY type */
if (hw->phy.type == ixgbe_phy_sfp_intel) {
status = 0;
@@ -742,6 +755,7 @@ s32 ixgbe_get_sfp_init_sequence_offsets(struct ixgbe_hw *hw,
u16 *data_offset)
{
u16 sfp_id;
+ u16 sfp_type = hw->phy.sfp_type;
if (hw->phy.sfp_type == ixgbe_sfp_type_unknown)
return IXGBE_ERR_SFP_NOT_SUPPORTED;
@@ -753,6 +767,17 @@ s32 ixgbe_get_sfp_init_sequence_offsets(struct ixgbe_hw *hw,
(hw->phy.sfp_type == ixgbe_sfp_type_da_cu))
return IXGBE_ERR_SFP_NOT_SUPPORTED;
+ /*
+ * Limiting active cables and 1G Phys must be initialized as
+ * SR modules
+ */
+ if (sfp_type == ixgbe_sfp_type_da_act_lmt_core0 ||
+ sfp_type == ixgbe_sfp_type_1g_cu_core0)
+ sfp_type = ixgbe_sfp_type_srlr_core0;
+ else if (sfp_type == ixgbe_sfp_type_da_act_lmt_core1 ||
+ sfp_type == ixgbe_sfp_type_1g_cu_core1)
+ sfp_type = ixgbe_sfp_type_srlr_core1;
+
/* Read offset to PHY init contents */
hw->eeprom.ops.read(hw, IXGBE_PHY_INIT_OFFSET_NL, list_offset);
@@ -769,7 +794,7 @@ s32 ixgbe_get_sfp_init_sequence_offsets(struct ixgbe_hw *hw,
hw->eeprom.ops.read(hw, *list_offset, &sfp_id);
while (sfp_id != IXGBE_PHY_INIT_END_NL) {
- if (sfp_id == hw->phy.sfp_type) {
+ if (sfp_id == sfp_type) {
(*list_offset)++;
hw->eeprom.ops.read(hw, *list_offset, data_offset);
if ((!*data_offset) || (*data_offset == 0xFFFF)) {
diff --git a/drivers/net/ixgbe/ixgbe_phy.h b/drivers/net/ixgbe/ixgbe_phy.h
index ef4ba83..fb3898f 100644
--- a/drivers/net/ixgbe/ixgbe_phy.h
+++ b/drivers/net/ixgbe/ixgbe_phy.h
@@ -48,6 +48,7 @@
#define IXGBE_SFF_DA_SPEC_ACTIVE_LIMITING 0x4
#define IXGBE_SFF_1GBASESX_CAPABLE 0x1
#define IXGBE_SFF_1GBASELX_CAPABLE 0x2
+#define IXGBE_SFF_1GBASET_CAPABLE 0x8
#define IXGBE_SFF_10GBASESR_CAPABLE 0x10
#define IXGBE_SFF_10GBASELR_CAPABLE 0x20
#define IXGBE_I2C_EEPROM_READ_MASK 0x100
diff --git a/drivers/net/ixgbe/ixgbe_type.h b/drivers/net/ixgbe/ixgbe_type.h
index cdd1998..9587d97 100644
--- a/drivers/net/ixgbe/ixgbe_type.h
+++ b/drivers/net/ixgbe/ixgbe_type.h
@@ -2214,6 +2214,8 @@ enum ixgbe_sfp_type {
ixgbe_sfp_type_srlr_core1 = 6,
ixgbe_sfp_type_da_act_lmt_core0 = 7,
ixgbe_sfp_type_da_act_lmt_core1 = 8,
+ ixgbe_sfp_type_1g_cu_core0 = 9,
+ ixgbe_sfp_type_1g_cu_core1 = 10,
ixgbe_sfp_type_not_present = 0xFFFE,
ixgbe_sfp_type_unknown = 0xFFFF
};
--
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