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Message-ID: <20100519020013.18654.78651.stgit@localhost.localdomain>
Date: Tue, 18 May 2010 19:00:13 -0700
From: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
To: davem@...emloft.net
Cc: netdev@...r.kernel.org, gospo@...hat.com,
Don Skidmore <donald.c.skidmore@...el.com>,
Jeff Kirsher <jeffrey.t.kirsher@...el.com>
Subject: [net-next PATCH 7/7] ixgbe: add support for active DA cables
From: Don Skidmore <donald.c.skidmore@...el.com>
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@...el.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
---
drivers/net/ixgbe/ixgbe_82599.c | 8 ++++++--
drivers/net/ixgbe/ixgbe_ethtool.c | 4 ++--
drivers/net/ixgbe/ixgbe_main.c | 6 ++++--
drivers/net/ixgbe/ixgbe_phy.c | 38 +++++++++++++++++++++++++++++++------
drivers/net/ixgbe/ixgbe_phy.h | 3 +++
drivers/net/ixgbe/ixgbe_type.h | 9 +++++++--
6 files changed, 54 insertions(+), 14 deletions(-)
diff --git a/drivers/net/ixgbe/ixgbe_82599.c b/drivers/net/ixgbe/ixgbe_82599.c
index dc197a4..e9706eb 100644
--- a/drivers/net/ixgbe/ixgbe_82599.c
+++ b/drivers/net/ixgbe/ixgbe_82599.c
@@ -2155,10 +2155,14 @@ sfp_check:
goto out;
switch (hw->phy.type) {
- case ixgbe_phy_tw_tyco:
- case ixgbe_phy_tw_unknown:
+ case ixgbe_phy_sfp_passive_tyco:
+ case ixgbe_phy_sfp_passive_unknown:
physical_layer = IXGBE_PHYSICAL_LAYER_SFP_PLUS_CU;
break;
+ case ixgbe_phy_sfp_ftl_active:
+ case ixgbe_phy_sfp_active_unknown:
+ physical_layer = IXGBE_PHYSICAL_LAYER_SFP_ACTIVE_DA;
+ break;
case ixgbe_phy_sfp_avago:
case ixgbe_phy_sfp_ftl:
case ixgbe_phy_sfp_intel:
diff --git a/drivers/net/ixgbe/ixgbe_ethtool.c b/drivers/net/ixgbe/ixgbe_ethtool.c
index 251767d..c50a754 100644
--- a/drivers/net/ixgbe/ixgbe_ethtool.c
+++ b/drivers/net/ixgbe/ixgbe_ethtool.c
@@ -212,8 +212,8 @@ static int ixgbe_get_settings(struct net_device *netdev,
ecmd->port = PORT_FIBRE;
break;
case ixgbe_phy_nl:
- case ixgbe_phy_tw_tyco:
- case ixgbe_phy_tw_unknown:
+ case ixgbe_phy_sfp_passive_tyco:
+ case ixgbe_phy_sfp_passive_unknown:
case ixgbe_phy_sfp_ftl:
case ixgbe_phy_sfp_avago:
case ixgbe_phy_sfp_intel:
diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c
index caf1114..9551cbb 100644
--- a/drivers/net/ixgbe/ixgbe_main.c
+++ b/drivers/net/ixgbe/ixgbe_main.c
@@ -3118,8 +3118,10 @@ static inline bool ixgbe_is_sfp(struct ixgbe_hw *hw)
case ixgbe_phy_sfp_ftl:
case ixgbe_phy_sfp_intel:
case ixgbe_phy_sfp_unknown:
- case ixgbe_phy_tw_tyco:
- case ixgbe_phy_tw_unknown:
+ case ixgbe_phy_sfp_passive_tyco:
+ case ixgbe_phy_sfp_passive_unknown:
+ case ixgbe_phy_sfp_active_unknown:
+ case ixgbe_phy_sfp_ftl_active:
return true;
default:
return false;
diff --git a/drivers/net/ixgbe/ixgbe_phy.c b/drivers/net/ixgbe/ixgbe_phy.c
index d6d5b84..22d21af 100644
--- a/drivers/net/ixgbe/ixgbe_phy.c
+++ b/drivers/net/ixgbe/ixgbe_phy.c
@@ -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;
}
diff --git a/drivers/net/ixgbe/ixgbe_phy.h b/drivers/net/ixgbe/ixgbe_phy.h
index 9cf5f3b..c9c5459 100644
--- a/drivers/net/ixgbe/ixgbe_phy.h
+++ b/drivers/net/ixgbe/ixgbe_phy.h
@@ -40,9 +40,12 @@
#define IXGBE_SFF_1GBE_COMP_CODES 0x6
#define IXGBE_SFF_10GBE_COMP_CODES 0x3
#define IXGBE_SFF_CABLE_TECHNOLOGY 0x8
+#define IXGBE_SFF_CABLE_SPEC_COMP 0x3C
/* Bitmasks */
#define IXGBE_SFF_DA_PASSIVE_CABLE 0x4
+#define IXGBE_SFF_DA_ACTIVE_CABLE 0x8
+#define IXGBE_SFF_DA_SPEC_ACTIVE_LIMITING 0x4
#define IXGBE_SFF_1GBASESX_CAPABLE 0x1
#define IXGBE_SFF_1GBASELX_CAPABLE 0x2
#define IXGBE_SFF_10GBASESR_CAPABLE 0x10
diff --git a/drivers/net/ixgbe/ixgbe_type.h b/drivers/net/ixgbe/ixgbe_type.h
index bd69196..39b9be8 100644
--- a/drivers/net/ixgbe/ixgbe_type.h
+++ b/drivers/net/ixgbe/ixgbe_type.h
@@ -2108,6 +2108,7 @@ typedef u32 ixgbe_physical_layer;
#define IXGBE_PHYSICAL_LAYER_1000BASE_BX 0x0400
#define IXGBE_PHYSICAL_LAYER_10GBASE_KR 0x0800
#define IXGBE_PHYSICAL_LAYER_10GBASE_XAUI 0x1000
+#define IXGBE_PHYSICAL_LAYER_SFP_ACTIVE_DA 0x2000
/* Software ATR hash keys */
#define IXGBE_ATR_BUCKET_HASH_KEY 0xE214AD3D
@@ -2177,10 +2178,12 @@ enum ixgbe_phy_type {
ixgbe_phy_qt,
ixgbe_phy_xaui,
ixgbe_phy_nl,
- ixgbe_phy_tw_tyco,
- ixgbe_phy_tw_unknown,
+ ixgbe_phy_sfp_passive_tyco,
+ ixgbe_phy_sfp_passive_unknown,
+ ixgbe_phy_sfp_active_unknown,
ixgbe_phy_sfp_avago,
ixgbe_phy_sfp_ftl,
+ ixgbe_phy_sfp_ftl_active,
ixgbe_phy_sfp_unknown,
ixgbe_phy_sfp_intel,
ixgbe_phy_sfp_unsupported,
@@ -2208,6 +2211,8 @@ enum ixgbe_sfp_type {
ixgbe_sfp_type_da_cu_core1 = 4,
ixgbe_sfp_type_srlr_core0 = 5,
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_not_present = 0xFFFE,
ixgbe_sfp_type_unknown = 0xFFFF
};
--
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