From ea0a04dfc1c6701489edabf47f608d8aa474cbab Mon Sep 17 00:00:00 2001 From: Don Skidmore Date: Tue, 18 May 2010 16:00:13 +0000 Subject: [PATCH] ixgbe: add support for active DA cables This patch adds support of active DA cables. This is renaming and adding some PHY type enumerations. Signed-off-by: Don Skidmore Signed-off-by: Jeff Kirsher Signed-off-by: David S. Miller --- 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 dc197a4b067..e9706eb8e4f 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 251767d9fe7..c50a7541ffe 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 caf1114960e..9551cbb7bf0 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 d6d5b843d62..22d21af1478 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 9cf5f3b4cc5..c9c54594140 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 bd69196ff52..39b9be89743 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 }; -- 2.39.3