net: dsa: remove workarounds for changing master promisc/allmulti only while up
Lennert Buytenhek explains in commit df02c6ff ("dsa: fix master interface allmulti/promisc handling"), dated Nov 2008, that changing the promiscuity of interfaces that are down (here the master) is broken. This fact regarding promisc/allmulti has changed since commit b6c40d68 ("net: only invoke dev->change_rx_flags when device is UP") by Vlad Yasevich, dated Nov 2013. Therefore, DSA now has unnecessary complexity to handle master state transitions from down to up. In fact, syncing the unicast and multicast addresses can happen completely asynchronously to the administrative state changes. This change reduces that complexity by effectively fully reverting commit df02c6ff ("dsa: fix master interface allmulti/promisc handling"). Signed-off-by:Vladimir Oltean <vladimir.oltean@nxp.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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