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-rw-r--r--nixos/modules/kernel-patches/0029-net-sfp-move-quirk-handling-into-sfp.c.patch299
1 files changed, 299 insertions, 0 deletions
diff --git a/nixos/modules/kernel-patches/0029-net-sfp-move-quirk-handling-into-sfp.c.patch b/nixos/modules/kernel-patches/0029-net-sfp-move-quirk-handling-into-sfp.c.patch
new file mode 100644
index 0000000..2c3d27e
--- /dev/null
+++ b/nixos/modules/kernel-patches/0029-net-sfp-move-quirk-handling-into-sfp.c.patch
@@ -0,0 +1,299 @@
+From 36f747eca3edd3260b4f2fd2cd899af3cc2d9892 Mon Sep 17 00:00:00 2001
+From: "Russell King (Oracle)" <rmk+kernel@armlinux.org.uk>
+Date: Fri, 26 Aug 2022 08:43:30 +0100
+Subject: [PATCH 29/96] net: sfp: move quirk handling into sfp.c
+
+We need to handle more quirks than just those which affect the link
+modes of the module. Move the quirk lookup into sfp.c, and pass the
+quirk to sfp-bus.c
+
+Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
+---
+ drivers/net/phy/sfp-bus.c | 98 ++-------------------------------------
+ drivers/net/phy/sfp.c | 94 ++++++++++++++++++++++++++++++++++++-
+ drivers/net/phy/sfp.h | 9 +++-
+ 3 files changed, 104 insertions(+), 97 deletions(-)
+
+diff --git a/drivers/net/phy/sfp-bus.c b/drivers/net/phy/sfp-bus.c
+index 15aa5ac1ff49..82216c7bb470 100644
+--- a/drivers/net/phy/sfp-bus.c
++++ b/drivers/net/phy/sfp-bus.c
+@@ -10,12 +10,6 @@
+
+ #include "sfp.h"
+
+-struct sfp_quirk {
+- const char *vendor;
+- const char *part;
+- void (*modes)(const struct sfp_eeprom_id *id, unsigned long *modes);
+-};
+-
+ /**
+ * struct sfp_bus - internal representation of a sfp bus
+ */
+@@ -38,93 +32,6 @@ struct sfp_bus {
+ bool started;
+ };
+
+-static void sfp_quirk_2500basex(const struct sfp_eeprom_id *id,
+- unsigned long *modes)
+-{
+- phylink_set(modes, 2500baseX_Full);
+-}
+-
+-static void sfp_quirk_ubnt_uf_instant(const struct sfp_eeprom_id *id,
+- unsigned long *modes)
+-{
+- /* Ubiquiti U-Fiber Instant module claims that support all transceiver
+- * types including 10G Ethernet which is not truth. So clear all claimed
+- * modes and set only one mode which module supports: 1000baseX_Full.
+- */
+- phylink_zero(modes);
+- phylink_set(modes, 1000baseX_Full);
+-}
+-
+-static const struct sfp_quirk sfp_quirks[] = {
+- {
+- // Alcatel Lucent G-010S-P can operate at 2500base-X, but
+- // incorrectly report 2500MBd NRZ in their EEPROM
+- .vendor = "ALCATELLUCENT",
+- .part = "G010SP",
+- .modes = sfp_quirk_2500basex,
+- }, {
+- // Alcatel Lucent G-010S-A can operate at 2500base-X, but
+- // report 3.2GBd NRZ in their EEPROM
+- .vendor = "ALCATELLUCENT",
+- .part = "3FE46541AA",
+- .modes = sfp_quirk_2500basex,
+- }, {
+- // Huawei MA5671A can operate at 2500base-X, but report 1.2GBd
+- // NRZ in their EEPROM
+- .vendor = "HUAWEI",
+- .part = "MA5671A",
+- .modes = sfp_quirk_2500basex,
+- }, {
+- // Lantech 8330-262D-E can operate at 2500base-X, but
+- // incorrectly report 2500MBd NRZ in their EEPROM
+- .vendor = "Lantech",
+- .part = "8330-262D-E",
+- .modes = sfp_quirk_2500basex,
+- }, {
+- .vendor = "UBNT",
+- .part = "UF-INSTANT",
+- .modes = sfp_quirk_ubnt_uf_instant,
+- },
+-};
+-
+-static size_t sfp_strlen(const char *str, size_t maxlen)
+-{
+- size_t size, i;
+-
+- /* Trailing characters should be filled with space chars */
+- for (i = 0, size = 0; i < maxlen; i++)
+- if (str[i] != ' ')
+- size = i + 1;
+-
+- return size;
+-}
+-
+-static bool sfp_match(const char *qs, const char *str, size_t len)
+-{
+- if (!qs)
+- return true;
+- if (strlen(qs) != len)
+- return false;
+- return !strncmp(qs, str, len);
+-}
+-
+-static const struct sfp_quirk *sfp_lookup_quirk(const struct sfp_eeprom_id *id)
+-{
+- const struct sfp_quirk *q;
+- unsigned int i;
+- size_t vs, ps;
+-
+- vs = sfp_strlen(id->base.vendor_name, ARRAY_SIZE(id->base.vendor_name));
+- ps = sfp_strlen(id->base.vendor_pn, ARRAY_SIZE(id->base.vendor_pn));
+-
+- for (i = 0, q = sfp_quirks; i < ARRAY_SIZE(sfp_quirks); i++, q++)
+- if (sfp_match(q->vendor, id->base.vendor_name, vs) &&
+- sfp_match(q->part, id->base.vendor_pn, ps))
+- return q;
+-
+- return NULL;
+-}
+-
+ /**
+ * 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
+@@ -786,12 +693,13 @@ void sfp_link_down(struct sfp_bus *bus)
+ }
+ EXPORT_SYMBOL_GPL(sfp_link_down);
+
+-int sfp_module_insert(struct sfp_bus *bus, const struct sfp_eeprom_id *id)
++int sfp_module_insert(struct sfp_bus *bus, const struct sfp_eeprom_id *id,
++ const struct sfp_quirk *quirk)
+ {
+ const struct sfp_upstream_ops *ops = sfp_get_upstream_ops(bus);
+ int ret = 0;
+
+- bus->sfp_quirk = sfp_lookup_quirk(id);
++ bus->sfp_quirk = quirk;
+
+ if (ops && ops->module_insert)
+ ret = ops->module_insert(bus->upstream, id);
+diff --git a/drivers/net/phy/sfp.c b/drivers/net/phy/sfp.c
+index e7b0e12cc75b..8515685d4581 100644
+--- a/drivers/net/phy/sfp.c
++++ b/drivers/net/phy/sfp.c
+@@ -252,6 +252,8 @@ struct sfp {
+ unsigned int module_t_start_up;
+ bool tx_fault_ignore;
+
++ const struct sfp_quirk *quirk;
++
+ #if IS_ENABLED(CONFIG_HWMON)
+ struct sfp_diag diag;
+ struct delayed_work hwmon_probe;
+@@ -308,6 +310,93 @@ static const struct of_device_id sfp_of_match[] = {
+ };
+ MODULE_DEVICE_TABLE(of, sfp_of_match);
+
++static void sfp_quirk_2500basex(const struct sfp_eeprom_id *id,
++ unsigned long *modes)
++{
++ linkmode_set_bit(ETHTOOL_LINK_MODE_2500baseX_Full_BIT, modes);
++}
++
++static void sfp_quirk_ubnt_uf_instant(const struct sfp_eeprom_id *id,
++ unsigned long *modes)
++{
++ /* Ubiquiti U-Fiber Instant module claims that support all transceiver
++ * types including 10G Ethernet which is not truth. So clear all claimed
++ * modes and set only one mode which module supports: 1000baseX_Full.
++ */
++ linkmode_zero(modes);
++ linkmode_set_bit(ETHTOOL_LINK_MODE_1000baseX_Full_BIT, modes);
++}
++
++static const struct sfp_quirk sfp_quirks[] = {
++ {
++ // Alcatel Lucent G-010S-P can operate at 2500base-X, but
++ // incorrectly report 2500MBd NRZ in their EEPROM
++ .vendor = "ALCATELLUCENT",
++ .part = "G010SP",
++ .modes = sfp_quirk_2500basex,
++ }, {
++ // Alcatel Lucent G-010S-A can operate at 2500base-X, but
++ // report 3.2GBd NRZ in their EEPROM
++ .vendor = "ALCATELLUCENT",
++ .part = "3FE46541AA",
++ .modes = sfp_quirk_2500basex,
++ }, {
++ // Huawei MA5671A can operate at 2500base-X, but report 1.2GBd
++ // NRZ in their EEPROM
++ .vendor = "HUAWEI",
++ .part = "MA5671A",
++ .modes = sfp_quirk_2500basex,
++ }, {
++ // Lantech 8330-262D-E can operate at 2500base-X, but
++ // incorrectly report 2500MBd NRZ in their EEPROM
++ .vendor = "Lantech",
++ .part = "8330-262D-E",
++ .modes = sfp_quirk_2500basex,
++ }, {
++ .vendor = "UBNT",
++ .part = "UF-INSTANT",
++ .modes = sfp_quirk_ubnt_uf_instant,
++ },
++};
++
++static size_t sfp_strlen(const char *str, size_t maxlen)
++{
++ size_t size, i;
++
++ /* Trailing characters should be filled with space chars */
++ for (i = 0, size = 0; i < maxlen; i++)
++ if (str[i] != ' ')
++ size = i + 1;
++
++ return size;
++}
++
++static bool sfp_match(const char *qs, const char *str, size_t len)
++{
++ if (!qs)
++ return true;
++ if (strlen(qs) != len)
++ return false;
++ return !strncmp(qs, str, len);
++}
++
++static const struct sfp_quirk *sfp_lookup_quirk(const struct sfp_eeprom_id *id)
++{
++ const struct sfp_quirk *q;
++ unsigned int i;
++ size_t vs, ps;
++
++ vs = sfp_strlen(id->base.vendor_name, ARRAY_SIZE(id->base.vendor_name));
++ ps = sfp_strlen(id->base.vendor_pn, ARRAY_SIZE(id->base.vendor_pn));
++
++ for (i = 0, q = sfp_quirks; i < ARRAY_SIZE(sfp_quirks); i++, q++)
++ if (sfp_match(q->vendor, id->base.vendor_name, vs) &&
++ sfp_match(q->part, id->base.vendor_pn, ps))
++ return q;
++
++ return NULL;
++}
++
+ static unsigned long poll_jiffies;
+
+ static unsigned int sfp_gpio_get_state(struct sfp *sfp)
+@@ -1963,6 +2052,8 @@ static int sfp_sm_mod_probe(struct sfp *sfp, bool report)
+ else
+ sfp->tx_fault_ignore = false;
+
++ sfp->quirk = sfp_lookup_quirk(&id);
++
+ return 0;
+ }
+
+@@ -2075,7 +2166,8 @@ static void sfp_sm_module(struct sfp *sfp, unsigned int event)
+ break;
+
+ /* Report the module insertion to the upstream device */
+- err = sfp_module_insert(sfp->sfp_bus, &sfp->id);
++ err = sfp_module_insert(sfp->sfp_bus, &sfp->id,
++ sfp->quirk);
+ if (err < 0) {
+ sfp_sm_mod_next(sfp, SFP_MOD_ERROR, 0);
+ break;
+diff --git a/drivers/net/phy/sfp.h b/drivers/net/phy/sfp.h
+index 27226535c72b..03f1d47fe6ca 100644
+--- a/drivers/net/phy/sfp.h
++++ b/drivers/net/phy/sfp.h
+@@ -6,6 +6,12 @@
+
+ struct sfp;
+
++struct sfp_quirk {
++ const char *vendor;
++ const char *part;
++ void (*modes)(const struct sfp_eeprom_id *id, unsigned long *modes);
++};
++
+ struct sfp_socket_ops {
+ void (*attach)(struct sfp *sfp);
+ void (*detach)(struct sfp *sfp);
+@@ -23,7 +29,8 @@ int sfp_add_phy(struct sfp_bus *bus, struct phy_device *phydev);
+ void sfp_remove_phy(struct sfp_bus *bus);
+ void sfp_link_up(struct sfp_bus *bus);
+ void sfp_link_down(struct sfp_bus *bus);
+-int sfp_module_insert(struct sfp_bus *bus, const struct sfp_eeprom_id *id);
++int sfp_module_insert(struct sfp_bus *bus, const struct sfp_eeprom_id *id,
++ const struct sfp_quirk *quirk);
+ void sfp_module_remove(struct sfp_bus *bus);
+ int sfp_module_start(struct sfp_bus *bus);
+ void sfp_module_stop(struct sfp_bus *bus);
+--
+2.37.2
+
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