[PATCH net-next v2 2/2] sfp: add support for 100 base-x SFPs
From: Bjarni Jonasson <hidden>
Date: 2021-01-13 11:58:36
Also in:
lkml
Subsystem:
ethernet phy library, networking drivers, sff/sfp/sfp+ module support, the rest · Maintainers:
Andrew Lunn, Heiner Kallweit, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Russell King, Linus Torvalds
Add support for 100Base-FX, 100Base-LX, 100Base-PX and 100Base-BX10 modules This is needed for Sparx-5 switch. Signed-off-by: Bjarni Jonasson <redacted> --- drivers/net/phy/sfp-bus.c | 9 +++++++++ 1 file changed, 9 insertions(+)
diff --git a/drivers/net/phy/sfp-bus.c b/drivers/net/phy/sfp-bus.c
index cdfa0a190962..3c67ad9951ab 100644
--- a/drivers/net/phy/sfp-bus.c
+++ b/drivers/net/phy/sfp-bus.c@@ -265,6 +265,12 @@ void sfp_parse_support(struct sfp_bus *bus, const struct sfp_eeprom_id *id, br_min <= 1300 && br_max >= 1200) phylink_set(modes, 1000baseX_Full); + /* 100Base-FX, 100Base-LX, 100Base-PX, 100Base-BX10 */ + if (id->base.e100_base_fx || id->base.e100_base_lx) + phylink_set(modes, 100baseFX_Full); + if ((id->base.e_base_px || id->base.e_base_bx10) && br_nom == 100) + phylink_set(modes, 100baseFX_Full); + /* For active or passive cables, select the link modes * based on the bit rates and the cable compliance bytes. */
@@ -389,6 +395,9 @@ phy_interface_t sfp_select_interface(struct sfp_bus *bus, if (phylink_test(link_modes, 1000baseX_Full)) return PHY_INTERFACE_MODE_1000BASEX; + if (phylink_test(link_modes, 100baseFX_Full)) + return PHY_INTERFACE_MODE_100BASEX; + dev_warn(bus->sfp_dev, "Unable to ascertain link mode\n"); return PHY_INTERFACE_MODE_NA;
--
2.17.1