From 6e12f35cef6b8a458d7ecf507ae330e0bffaad8c Mon Sep 17 00:00:00 2001 From: Bjarni Jonasson Date: Wed, 13 Jan 2021 12:56:26 +0100 Subject: [PATCH] sfp: add support for 100 base-x SFPs 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 Reviewed-by: Russell King Signed-off-by: Jakub Kicinski --- drivers/net/phy/sfp-bus.c | 9 +++++++++ 1 file changed, 9 insertions(+) --- a/drivers/net/phy/sfp-bus.c +++ b/drivers/net/phy/sfp-bus.c @@ -286,6 +286,12 @@ void sfp_parse_support(struct sfp_bus *b 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. */ @@ -405,6 +411,9 @@ phy_interface_t sfp_select_interface(str 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;