[PATCH net-next v3 10/47] net: phylink: Adjust link settings based on rate adaptation
From: Sean Anderson <hidden>
Date: 2022-07-15 22:01:55
Also in:
linux-arm-kernel, lkml
Subsystem:
ethernet phy library, networking drivers, sff/sfp/sfp+ module support, the rest · Maintainers:
Andrew Lunn, Heiner Kallweit, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Russell King, Linus Torvalds
If the phy is configured to use pause-based rate adaptation, ensure that the link is full duplex with pause frame reception enabled. Note that these settings may be overridden by ethtool. Signed-off-by: Sean Anderson <redacted> --- Changes in v3: - New drivers/net/phy/phylink.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/drivers/net/phy/phylink.c b/drivers/net/phy/phylink.c
index 7fa21941878e..7f65413aa778 100644
--- a/drivers/net/phy/phylink.c
+++ b/drivers/net/phy/phylink.c@@ -1445,6 +1445,10 @@ static void phylink_phy_change(struct phy_device *phydev, bool up) pl->phy_state.speed = phy_interface_speed(phydev->interface, phydev->speed); pl->phy_state.duplex = phydev->duplex; + if (phydev->rate_adaptation == RATE_ADAPT_PAUSE) { + pl->phy_state.duplex = DUPLEX_FULL; + rx_pause = true; + } pl->phy_state.pause = MLO_PAUSE_NONE; if (tx_pause) pl->phy_state.pause |= MLO_PAUSE_TX;
--
2.35.1.1320.gc452695387.dirty