phylink: restart 802.3z negotiation when starting net device (85b43945) · Commits · 戴 / test

Restart 802.3z negotiation when the net device is brought up to ensure that the link partner has our current link modes. Signed-off-by:

drivers/net/phy/phylink.c

+6 −0

Original line number	Diff line number	Diff line
		@@ -751,6 +751,12 @@ void phylink_start(struct phylink *pl)
		phylink_resolve_flow(pl, &pl->link_config);
		phylink_mac_config(pl, &pl->link_config);

		/* Restart autonegotiation if using 802.3z to ensure that the link
		* parameters are properly negotiated. This is necessary for DSA
		* switches using 802.3z negotiation to ensure they see our modes.
		*/
		phylink_mac_an_restart(pl);

		clear_bit(PHYLINK_DISABLE_STOPPED, &pl->phylink_disable_state);
		phylink_run_resolve(pl);