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Openwrt/target/linux/generic/pending-5.4/742-net-sfp-add-more-extended-compliance-codes.patch
Vladimir Markovets f032601ed7 kernel: backport workaround for Realtek RTL8672 and RTL9601C chips 
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>
2021-07-25 13:52:38 +02:00

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