summaryrefslogtreecommitdiff
path: root/drivers/net/phy/sfp-bus.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/phy/sfp-bus.c')
-rw-r--r--drivers/net/phy/sfp-bus.c107
1 files changed, 44 insertions, 63 deletions
diff --git a/drivers/net/phy/sfp-bus.c b/drivers/net/phy/sfp-bus.c
index f13c00b5b449..b945d75966d5 100644
--- a/drivers/net/phy/sfp-bus.c
+++ b/drivers/net/phy/sfp-bus.c
@@ -22,7 +22,6 @@ struct sfp_bus {
const struct sfp_socket_ops *socket_ops;
struct device *sfp_dev;
struct sfp *sfp;
- const struct sfp_quirk *sfp_quirk;
const struct sfp_upstream_ops *upstream_ops;
void *upstream;
@@ -30,24 +29,18 @@ struct sfp_bus {
bool registered;
bool started;
+
+ struct sfp_module_caps caps;
};
-/**
- * sfp_parse_port() - Parse the EEPROM base ID, setting the port type
- * @bus: a pointer to the &struct sfp_bus structure for the sfp module
- * @id: a pointer to the module's &struct sfp_eeprom_id
- * @support: optional pointer to an array of unsigned long for the
- * ethtool support mask
- *
- * Parse the EEPROM identification given in @id, and return one of
- * %PORT_TP, %PORT_FIBRE or %PORT_OTHER. If @support is non-%NULL,
- * also set the ethtool %ETHTOOL_LINK_MODE_xxx_BIT corresponding with
- * the connector type.
- *
- * If the port type is not known, returns %PORT_OTHER.
- */
-int sfp_parse_port(struct sfp_bus *bus, const struct sfp_eeprom_id *id,
- unsigned long *support)
+const struct sfp_module_caps *sfp_get_module_caps(struct sfp_bus *bus)
+{
+ return &bus->caps;
+}
+EXPORT_SYMBOL_GPL(sfp_get_module_caps);
+
+static void sfp_module_parse_port(struct sfp_bus *bus,
+ const struct sfp_eeprom_id *id)
{
int port;
@@ -91,34 +84,26 @@ int sfp_parse_port(struct sfp_bus *bus, const struct sfp_eeprom_id *id,
break;
}
- if (support) {
- switch (port) {
- case PORT_FIBRE:
- phylink_set(support, FIBRE);
- break;
+ switch (port) {
+ case PORT_FIBRE:
+ phylink_set(bus->caps.link_modes, FIBRE);
+ break;
- case PORT_TP:
- phylink_set(support, TP);
- break;
- }
+ case PORT_TP:
+ phylink_set(bus->caps.link_modes, TP);
+ break;
}
- return port;
+ bus->caps.port = port;
}
-EXPORT_SYMBOL_GPL(sfp_parse_port);
-/**
- * sfp_may_have_phy() - indicate whether the module may have a PHY
- * @bus: a pointer to the &struct sfp_bus structure for the sfp module
- * @id: a pointer to the module's &struct sfp_eeprom_id
- *
- * Parse the EEPROM identification given in @id, and return whether
- * this module may have a PHY.
- */
-bool sfp_may_have_phy(struct sfp_bus *bus, const struct sfp_eeprom_id *id)
+static void sfp_module_parse_may_have_phy(struct sfp_bus *bus,
+ const struct sfp_eeprom_id *id)
{
- if (id->base.e1000_base_t)
- return true;
+ if (id->base.e1000_base_t) {
+ bus->caps.may_have_phy = true;
+ return;
+ }
if (id->base.phys_id != SFF8024_ID_DWDM_SFP) {
switch (id->base.extended_cc) {
@@ -126,30 +111,20 @@ bool sfp_may_have_phy(struct sfp_bus *bus, const struct sfp_eeprom_id *id)
case SFF8024_ECC_10GBASE_T_SR:
case SFF8024_ECC_5GBASE_T:
case SFF8024_ECC_2_5GBASE_T:
- return true;
+ bus->caps.may_have_phy = true;
+ return;
}
}
- return false;
+ bus->caps.may_have_phy = false;
}
-EXPORT_SYMBOL_GPL(sfp_may_have_phy);
-/**
- * sfp_parse_support() - Parse the eeprom id for supported link modes
- * @bus: a pointer to the &struct sfp_bus structure for the sfp module
- * @id: a pointer to the module's &struct sfp_eeprom_id
- * @support: pointer to an array of unsigned long for the ethtool support mask
- * @interfaces: pointer to an array of unsigned long for phy interface modes
- * mask
- *
- * Parse the EEPROM identification information and derive the supported
- * ethtool link modes for the module.
- */
-void sfp_parse_support(struct sfp_bus *bus, const struct sfp_eeprom_id *id,
- unsigned long *support, unsigned long *interfaces)
+static void sfp_module_parse_support(struct sfp_bus *bus,
+ const struct sfp_eeprom_id *id)
{
+ unsigned long *interfaces = bus->caps.interfaces;
+ unsigned long *modes = bus->caps.link_modes;
unsigned int br_min, br_nom, br_max;
- __ETHTOOL_DECLARE_LINK_MODE_MASK(modes) = { 0, };
/* Decode the bitrate information to MBd */
br_min = br_nom = br_max = 0;
@@ -338,13 +313,21 @@ void sfp_parse_support(struct sfp_bus *bus, const struct sfp_eeprom_id *id,
phylink_set(modes, Autoneg);
phylink_set(modes, Pause);
phylink_set(modes, Asym_Pause);
+}
- if (bus->sfp_quirk && bus->sfp_quirk->modes)
- bus->sfp_quirk->modes(id, modes, interfaces);
+static void sfp_init_module(struct sfp_bus *bus,
+ const struct sfp_eeprom_id *id,
+ const struct sfp_quirk *quirk)
+{
+ memset(&bus->caps, 0, sizeof(bus->caps));
+
+ sfp_module_parse_support(bus, id);
+ sfp_module_parse_port(bus, id);
+ sfp_module_parse_may_have_phy(bus, id);
- linkmode_or(support, support, modes);
+ if (quirk && quirk->support)
+ quirk->support(id, &bus->caps);
}
-EXPORT_SYMBOL_GPL(sfp_parse_support);
/**
* sfp_select_interface() - Select appropriate phy_interface_t mode
@@ -794,7 +777,7 @@ int sfp_module_insert(struct sfp_bus *bus, const struct sfp_eeprom_id *id,
const struct sfp_upstream_ops *ops = sfp_get_upstream_ops(bus);
int ret = 0;
- bus->sfp_quirk = quirk;
+ sfp_init_module(bus, id, quirk);
if (ops && ops->module_insert)
ret = ops->module_insert(bus->upstream, id);
@@ -809,8 +792,6 @@ void sfp_module_remove(struct sfp_bus *bus)
if (ops && ops->module_remove)
ops->module_remove(bus->upstream);
-
- bus->sfp_quirk = NULL;
}
EXPORT_SYMBOL_GPL(sfp_module_remove);