diff options
Diffstat (limited to 'drivers/net/phy/phylink.c')
| -rw-r--r-- | drivers/net/phy/phylink.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/net/phy/phylink.c b/drivers/net/phy/phylink.c index 2eb12bc56452..71dde95daf04 100644 --- a/drivers/net/phy/phylink.c +++ b/drivers/net/phy/phylink.c @@ -2414,11 +2414,22 @@ static phy_interface_t phylink_sfp_select_interface(struct phylink *pl, phy_interface_t interface; interface = sfp_select_interface(pl->sfp_bus, link_modes); - if (interface == PHY_INTERFACE_MODE_NA) + if (interface == PHY_INTERFACE_MODE_NA) { phylink_err(pl, "selection of interface failed, advertisement %*pb\n", __ETHTOOL_LINK_MODE_MASK_NBITS, link_modes); + return interface; + } + + if (!test_bit(interface, pl->config->supported_interfaces)) { + phylink_err(pl, + "selection of interface failed, SFP selected %s (%u) but MAC supports %*pbl\n", + phy_modes(interface), interface, + (int)PHY_INTERFACE_MODE_MAX, + pl->config->supported_interfaces); + return PHY_INTERFACE_MODE_NA; + } return interface; } |