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	Adds support for GPON SFP modules based on the Realtek RTL8672 and RTL9601C chips, including but not limited to: * V-SOL V2801F * C-Data FD511GX-RM0 * OPTON GP801R * BAUDCOM BD-1234-SFM * CPGOS03-0490 v2.0 * Ubiquiti U-Fiber Instant * EXOT EGS1 Signed-off-by: Vladimir Markovets <abam_a@yahoo.com>
		
			
				
	
	
		
			252 lines
		
	
	
		
			8.0 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
			
		
		
	
	
			252 lines
		
	
	
		
			8.0 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
| From c66a4e76c8554c84e64b9315314576ac403c6641 Mon Sep 17 00:00:00 2001
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| From: Russell King <rmk+kernel@armlinux.org.uk>
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| Date: Thu, 26 Sep 2019 15:14:18 +0100
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| Subject: [PATCH 645/660] net: sfp: add more extended compliance codes
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| 
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| SFF-8024 is used to define various constants re-used in several SFF
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| SFP-related specifications.  Split these constants from the enum, and
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| rename them to indicate that they're defined by SFF-8024.
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| 
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| Add and use updated SFF-8024 extended compliance code definitions for
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| 10GBASE-T, 5GBASE-T and 2.5GBASE-T modules.
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| 
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| Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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| ---
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|  drivers/net/phy/sfp-bus.c | 60 ++++++++++++++++------------
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|  drivers/net/phy/sfp.c     |  4 +-
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|  include/linux/sfp.h       | 82 ++++++++++++++++++++++++++-------------
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|  3 files changed, 93 insertions(+), 53 deletions(-)
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| 
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| --- a/drivers/net/phy/sfp-bus.c
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| +++ b/drivers/net/phy/sfp-bus.c
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| @@ -124,35 +124,35 @@ int sfp_parse_port(struct sfp_bus *bus,
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|  
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|  	/* port is the physical connector, set this from the connector field. */
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|  	switch (id->base.connector) {
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| -	case SFP_CONNECTOR_SC:
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| -	case SFP_CONNECTOR_FIBERJACK:
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| -	case SFP_CONNECTOR_LC:
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| -	case SFP_CONNECTOR_MT_RJ:
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| -	case SFP_CONNECTOR_MU:
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| -	case SFP_CONNECTOR_OPTICAL_PIGTAIL:
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| +	case SFF8024_CONNECTOR_SC:
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| +	case SFF8024_CONNECTOR_FIBERJACK:
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| +	case SFF8024_CONNECTOR_LC:
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| +	case SFF8024_CONNECTOR_MT_RJ:
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| +	case SFF8024_CONNECTOR_MU:
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| +	case SFF8024_CONNECTOR_OPTICAL_PIGTAIL:
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| +	case SFF8024_CONNECTOR_MPO_1X12:
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| +	case SFF8024_CONNECTOR_MPO_2X16:
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|  		port = PORT_FIBRE;
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|  		break;
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|  
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| -	case SFP_CONNECTOR_RJ45:
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| +	case SFF8024_CONNECTOR_RJ45:
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|  		port = PORT_TP;
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|  		break;
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|  
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| -	case SFP_CONNECTOR_COPPER_PIGTAIL:
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| +	case SFF8024_CONNECTOR_COPPER_PIGTAIL:
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|  		port = PORT_DA;
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|  		break;
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|  
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| -	case SFP_CONNECTOR_UNSPEC:
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| +	case SFF8024_CONNECTOR_UNSPEC:
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|  		if (id->base.e1000_base_t) {
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|  			port = PORT_TP;
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|  			break;
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|  		}
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|  		/* fallthrough */
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| -	case SFP_CONNECTOR_SG: /* guess */
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| -	case SFP_CONNECTOR_MPO_1X12:
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| -	case SFP_CONNECTOR_MPO_2X16:
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| -	case SFP_CONNECTOR_HSSDC_II:
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| -	case SFP_CONNECTOR_NOSEPARATE:
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| -	case SFP_CONNECTOR_MXC_2X16:
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| +	case SFF8024_CONNECTOR_SG: /* guess */
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| +	case SFF8024_CONNECTOR_HSSDC_II:
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| +	case SFF8024_CONNECTOR_NOSEPARATE:
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| +	case SFF8024_CONNECTOR_MXC_2X16:
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|  		port = PORT_OTHER;
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|  		break;
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|  	default:
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| @@ -261,22 +261,33 @@ void sfp_parse_support(struct sfp_bus *b
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|  	}
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|  
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|  	switch (id->base.extended_cc) {
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| -	case 0x00: /* Unspecified */
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| +	case SFF8024_ECC_UNSPEC:
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|  		break;
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| -	case 0x02: /* 100Gbase-SR4 or 25Gbase-SR */
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| +	case SFF8024_ECC_100GBASE_SR4_25GBASE_SR:
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|  		phylink_set(modes, 100000baseSR4_Full);
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|  		phylink_set(modes, 25000baseSR_Full);
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|  		break;
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| -	case 0x03: /* 100Gbase-LR4 or 25Gbase-LR */
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| -	case 0x04: /* 100Gbase-ER4 or 25Gbase-ER */
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| +	case SFF8024_ECC_100GBASE_LR4_25GBASE_LR:
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| +	case SFF8024_ECC_100GBASE_ER4_25GBASE_ER:
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|  		phylink_set(modes, 100000baseLR4_ER4_Full);
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|  		break;
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| -	case 0x0b: /* 100Gbase-CR4 or 25Gbase-CR CA-L */
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| -	case 0x0c: /* 25Gbase-CR CA-S */
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| -	case 0x0d: /* 25Gbase-CR CA-N */
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| +	case SFF8024_ECC_100GBASE_CR4:
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|  		phylink_set(modes, 100000baseCR4_Full);
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| +		/* fallthrough */
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| +	case SFF8024_ECC_25GBASE_CR_S:
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| +	case SFF8024_ECC_25GBASE_CR_N:
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|  		phylink_set(modes, 25000baseCR_Full);
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|  		break;
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| +	case SFF8024_ECC_10GBASE_T_SFI:
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| +	case SFF8024_ECC_10GBASE_T_SR:
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| +		phylink_set(modes, 10000baseT_Full);
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| +		break;
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| +	case SFF8024_ECC_5GBASE_T:
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| +		phylink_set(modes, 5000baseT_Full);
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| +		break;
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| +	case SFF8024_ECC_2_5GBASE_T:
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| +		phylink_set(modes, 2500baseT_Full);
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| +		break;
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|  	default:
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|  		dev_warn(bus->sfp_dev,
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|  			 "Unknown/unsupported extended compliance code: 0x%02x\n",
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| @@ -301,7 +312,7 @@ void sfp_parse_support(struct sfp_bus *b
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|  	 */
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|  	if (bitmap_empty(modes, __ETHTOOL_LINK_MODE_MASK_NBITS)) {
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|  		/* If the encoding and bit rate allows 1000baseX */
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| -		if (id->base.encoding == SFP_ENCODING_8B10B && br_nom &&
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| +		if (id->base.encoding == SFF8024_ENCODING_8B10B && br_nom &&
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|  		    br_min <= 1300 && br_max >= 1200)
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|  			phylink_set(modes, 1000baseX_Full);
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|  	}
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| @@ -332,7 +343,8 @@ phy_interface_t sfp_select_interface(str
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|  	    phylink_test(link_modes, 10000baseSR_Full) ||
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|  	    phylink_test(link_modes, 10000baseLR_Full) ||
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|  	    phylink_test(link_modes, 10000baseLRM_Full) ||
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| -	    phylink_test(link_modes, 10000baseER_Full))
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| +	    phylink_test(link_modes, 10000baseER_Full) ||
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| +	    phylink_test(link_modes, 10000baseT_Full))
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|  		return PHY_INTERFACE_MODE_10GKR;
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|  
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|  	if (phylink_test(link_modes, 2500baseX_Full))
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| --- a/drivers/net/phy/sfp.c
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| +++ b/drivers/net/phy/sfp.c
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| @@ -243,7 +243,7 @@ struct sfp {
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|  
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|  static bool sff_module_supported(const struct sfp_eeprom_id *id)
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|  {
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| -	return id->base.phys_id == SFP_PHYS_ID_SFF &&
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| +	return id->base.phys_id == SFF8024_ID_SFF_8472 &&
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|  	       id->base.phys_ext_id == SFP_PHYS_EXT_ID_SFP;
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|  }
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|  
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| @@ -254,7 +254,7 @@ static const struct sff_data sff_data =
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|  
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|  static bool sfp_module_supported(const struct sfp_eeprom_id *id)
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|  {
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| -	return id->base.phys_id == SFP_PHYS_ID_SFP &&
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| +	return id->base.phys_id == SFF8024_ID_SFP &&
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|  	       id->base.phys_ext_id == SFP_PHYS_EXT_ID_SFP;
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|  }
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|  
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| --- a/include/linux/sfp.h
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| +++ b/include/linux/sfp.h
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| @@ -275,6 +275,61 @@ struct sfp_diag {
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|  	__be16 cal_v_offset;
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|  } __packed;
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|  
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| +/* SFF8024 defined constants */
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| +enum {
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| +	SFF8024_ID_UNK			= 0x00,
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| +	SFF8024_ID_SFF_8472		= 0x02,
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| +	SFF8024_ID_SFP			= 0x03,
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| +	SFF8024_ID_DWDM_SFP		= 0x0b,
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| +	SFF8024_ID_QSFP_8438		= 0x0c,
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| +	SFF8024_ID_QSFP_8436_8636	= 0x0d,
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| +	SFF8024_ID_QSFP28_8636		= 0x11,
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| +
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| +	SFF8024_ENCODING_UNSPEC		= 0x00,
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| +	SFF8024_ENCODING_8B10B		= 0x01,
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| +	SFF8024_ENCODING_4B5B		= 0x02,
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| +	SFF8024_ENCODING_NRZ		= 0x03,
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| +	SFF8024_ENCODING_8472_MANCHESTER= 0x04,
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| +	SFF8024_ENCODING_8472_SONET	= 0x05,
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| +	SFF8024_ENCODING_8472_64B66B	= 0x06,
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| +	SFF8024_ENCODING_8436_MANCHESTER= 0x06,
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| +	SFF8024_ENCODING_8436_SONET	= 0x04,
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| +	SFF8024_ENCODING_8436_64B66B	= 0x05,
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| +	SFF8024_ENCODING_256B257B	= 0x07,
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| +	SFF8024_ENCODING_PAM4		= 0x08,
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| +
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| +	SFF8024_CONNECTOR_UNSPEC	= 0x00,
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| +	/* codes 01-05 not supportable on SFP, but some modules have single SC */
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| +	SFF8024_CONNECTOR_SC		= 0x01,
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| +	SFF8024_CONNECTOR_FIBERJACK	= 0x06,
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| +	SFF8024_CONNECTOR_LC		= 0x07,
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| +	SFF8024_CONNECTOR_MT_RJ		= 0x08,
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| +	SFF8024_CONNECTOR_MU		= 0x09,
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| +	SFF8024_CONNECTOR_SG		= 0x0a,
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| +	SFF8024_CONNECTOR_OPTICAL_PIGTAIL= 0x0b,
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| +	SFF8024_CONNECTOR_MPO_1X12	= 0x0c,
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| +	SFF8024_CONNECTOR_MPO_2X16	= 0x0d,
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| +	SFF8024_CONNECTOR_HSSDC_II	= 0x20,
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| +	SFF8024_CONNECTOR_COPPER_PIGTAIL= 0x21,
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| +	SFF8024_CONNECTOR_RJ45		= 0x22,
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| +	SFF8024_CONNECTOR_NOSEPARATE	= 0x23,
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| +	SFF8024_CONNECTOR_MXC_2X16	= 0x24,
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| +
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| +	SFF8024_ECC_UNSPEC		= 0x00,
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| +	SFF8024_ECC_100G_25GAUI_C2M_AOC	= 0x01,
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| +	SFF8024_ECC_100GBASE_SR4_25GBASE_SR = 0x02,
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| +	SFF8024_ECC_100GBASE_LR4_25GBASE_LR = 0x03,
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| +	SFF8024_ECC_100GBASE_ER4_25GBASE_ER = 0x04,
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| +	SFF8024_ECC_100GBASE_SR10	= 0x05,
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| +	SFF8024_ECC_100GBASE_CR4	= 0x0b,
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| +	SFF8024_ECC_25GBASE_CR_S	= 0x0c,
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| +	SFF8024_ECC_25GBASE_CR_N	= 0x0d,
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| +	SFF8024_ECC_10GBASE_T_SFI	= 0x16,
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| +	SFF8024_ECC_10GBASE_T_SR	= 0x1c,
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| +	SFF8024_ECC_5GBASE_T		= 0x1d,
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| +	SFF8024_ECC_2_5GBASE_T		= 0x1e,
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| +};
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| +
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|  /* SFP EEPROM registers */
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|  enum {
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|  	SFP_PHYS_ID			= 0x00,
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| @@ -309,34 +364,7 @@ enum {
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|  	SFP_SFF8472_COMPLIANCE		= 0x5e,
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|  	SFP_CC_EXT			= 0x5f,
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|  
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| -	SFP_PHYS_ID_SFF			= 0x02,
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| -	SFP_PHYS_ID_SFP			= 0x03,
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|  	SFP_PHYS_EXT_ID_SFP		= 0x04,
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| -	SFP_CONNECTOR_UNSPEC		= 0x00,
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| -	/* codes 01-05 not supportable on SFP, but some modules have single SC */
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| -	SFP_CONNECTOR_SC		= 0x01,
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| -	SFP_CONNECTOR_FIBERJACK		= 0x06,
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| -	SFP_CONNECTOR_LC		= 0x07,
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| -	SFP_CONNECTOR_MT_RJ		= 0x08,
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| -	SFP_CONNECTOR_MU		= 0x09,
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| -	SFP_CONNECTOR_SG		= 0x0a,
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| -	SFP_CONNECTOR_OPTICAL_PIGTAIL	= 0x0b,
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| -	SFP_CONNECTOR_MPO_1X12		= 0x0c,
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| -	SFP_CONNECTOR_MPO_2X16		= 0x0d,
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| -	SFP_CONNECTOR_HSSDC_II		= 0x20,
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| -	SFP_CONNECTOR_COPPER_PIGTAIL	= 0x21,
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| -	SFP_CONNECTOR_RJ45		= 0x22,
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| -	SFP_CONNECTOR_NOSEPARATE	= 0x23,
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| -	SFP_CONNECTOR_MXC_2X16		= 0x24,
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| -	SFP_ENCODING_UNSPEC		= 0x00,
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| -	SFP_ENCODING_8B10B		= 0x01,
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| -	SFP_ENCODING_4B5B		= 0x02,
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| -	SFP_ENCODING_NRZ		= 0x03,
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| -	SFP_ENCODING_8472_MANCHESTER	= 0x04,
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| -	SFP_ENCODING_8472_SONET		= 0x05,
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| -	SFP_ENCODING_8472_64B66B	= 0x06,
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| -	SFP_ENCODING_256B257B		= 0x07,
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| -	SFP_ENCODING_PAM4		= 0x08,
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|  	SFP_OPTIONS_HIGH_POWER_LEVEL	= BIT(13),
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|  	SFP_OPTIONS_PAGING_A2		= BIT(12),
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|  	SFP_OPTIONS_RETIMER		= BIT(11),
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