From f9004dbfff8a3fbbd7e2a88c8a4327c7f2f8e5b2 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 31 Jan 2024 01:04:47 +0000
Subject: [PATCH] add driver 5G
---
kernel/include/linux/sfp.h | 136 +++++++++++++++++++++++++++++++-------------
1 files changed, 95 insertions(+), 41 deletions(-)
diff --git a/kernel/include/linux/sfp.h b/kernel/include/linux/sfp.h
index d37518e..38893e4 100644
--- a/kernel/include/linux/sfp.h
+++ b/kernel/include/linux/sfp.h
@@ -224,7 +224,7 @@
*
* See the SFF-8472 specification and related documents for the definition
* of these structure members. This can be obtained from
- * ftp://ftp.seagate.com/sff
+ * https://www.snia.org/technology-communities/sff/specifications
*/
struct sfp_eeprom_id {
struct sfp_eeprom_base base;
@@ -275,6 +275,61 @@
__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 @@
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),
@@ -428,6 +456,10 @@
SFP_TEC_CUR = 0x6c,
SFP_STATUS = 0x6e,
+ SFP_STATUS_TX_DISABLE = BIT(7),
+ SFP_STATUS_TX_DISABLE_FORCE = BIT(6),
+ SFP_STATUS_TX_FAULT = BIT(2),
+ SFP_STATUS_RX_LOS = BIT(1),
SFP_ALARM0 = 0x70,
SFP_ALARM0_TEMP_HIGH = BIT(7),
SFP_ALARM0_TEMP_LOW = BIT(6),
@@ -464,14 +496,19 @@
struct fwnode_handle;
struct ethtool_eeprom;
struct ethtool_modinfo;
-struct net_device;
struct sfp_bus;
/**
* struct sfp_upstream_ops - upstream operations structure
+ * @attach: called when the sfp socket driver is bound to the upstream
+ * (mandatory).
+ * @detach: called when the sfp socket driver is unbound from the upstream
+ * (mandatory).
* @module_insert: called after a module has been detected to determine
* whether the module is supported for the upstream device.
* @module_remove: called after the module has been removed.
+ * @module_start: called after the PHY probe step
+ * @module_stop: called before the PHY is removed
* @link_down: called when the link is non-operational for whatever
* reason.
* @link_up: called when the link is operational.
@@ -481,8 +518,12 @@
* been removed.
*/
struct sfp_upstream_ops {
+ void (*attach)(void *priv, struct sfp_bus *bus);
+ void (*detach)(void *priv, struct sfp_bus *bus);
int (*module_insert)(void *priv, const struct sfp_eeprom_id *id);
void (*module_remove)(void *priv);
+ int (*module_start)(void *priv);
+ void (*module_stop)(void *priv);
void (*link_down)(void *priv);
void (*link_up)(void *priv);
int (*connect_phy)(void *priv, struct phy_device *);
@@ -492,10 +533,10 @@
#if IS_ENABLED(CONFIG_SFP)
int sfp_parse_port(struct sfp_bus *bus, const struct sfp_eeprom_id *id,
unsigned long *support);
+bool sfp_may_have_phy(struct sfp_bus *bus, const struct sfp_eeprom_id *id);
void sfp_parse_support(struct sfp_bus *bus, const struct sfp_eeprom_id *id,
unsigned long *support);
phy_interface_t sfp_select_interface(struct sfp_bus *bus,
- const struct sfp_eeprom_id *id,
unsigned long *link_modes);
int sfp_get_module_info(struct sfp_bus *bus, struct ethtool_modinfo *modinfo);
@@ -503,16 +544,23 @@
u8 *data);
void sfp_upstream_start(struct sfp_bus *bus);
void sfp_upstream_stop(struct sfp_bus *bus);
-struct sfp_bus *sfp_register_upstream(struct fwnode_handle *fwnode,
- struct net_device *ndev, void *upstream,
- const struct sfp_upstream_ops *ops);
-void sfp_unregister_upstream(struct sfp_bus *bus);
+void sfp_bus_put(struct sfp_bus *bus);
+struct sfp_bus *sfp_bus_find_fwnode(struct fwnode_handle *fwnode);
+int sfp_bus_add_upstream(struct sfp_bus *bus, void *upstream,
+ const struct sfp_upstream_ops *ops);
+void sfp_bus_del_upstream(struct sfp_bus *bus);
#else
static inline int sfp_parse_port(struct sfp_bus *bus,
const struct sfp_eeprom_id *id,
unsigned long *support)
{
return PORT_OTHER;
+}
+
+static inline bool sfp_may_have_phy(struct sfp_bus *bus,
+ const struct sfp_eeprom_id *id)
+{
+ return false;
}
static inline void sfp_parse_support(struct sfp_bus *bus,
@@ -522,7 +570,6 @@
}
static inline phy_interface_t sfp_select_interface(struct sfp_bus *bus,
- const struct sfp_eeprom_id *id,
unsigned long *link_modes)
{
return PHY_INTERFACE_MODE_NA;
@@ -548,15 +595,22 @@
{
}
-static inline struct sfp_bus *sfp_register_upstream(
- struct fwnode_handle *fwnode,
- struct net_device *ndev, void *upstream,
- const struct sfp_upstream_ops *ops)
+static inline void sfp_bus_put(struct sfp_bus *bus)
{
- return (struct sfp_bus *)-1;
}
-static inline void sfp_unregister_upstream(struct sfp_bus *bus)
+static inline struct sfp_bus *sfp_bus_find_fwnode(struct fwnode_handle *fwnode)
+{
+ return NULL;
+}
+
+static inline int sfp_bus_add_upstream(struct sfp_bus *bus, void *upstream,
+ const struct sfp_upstream_ops *ops)
+{
+ return 0;
+}
+
+static inline void sfp_bus_del_upstream(struct sfp_bus *bus)
{
}
#endif
--
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