mbox series

[net,0/3] Always flood multicast to the DSA CPU port

Message ID 20210805121551.2194841-1-vladimir.oltean@nxp.com
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Series Always flood multicast to the DSA CPU port | expand

Message

Vladimir Oltean Aug. 5, 2021, 12:15 p.m. UTC 
Discussing with Qingfang, it became obvious that DSA is not prepared to
disable multicast flooding towards the CPU port under any circumstance
right now, and this in fact breaks traffic quite blatantly.

This series is a revert done in reverse chronological order. These
should be propagated to stable trees up to commit a8b659e7ff75 ("net:
dsa: act as passthrough for bridge port flags") which is in v5.12.
For older kernels, that commit blocks further backporting, so I need to
send a modified version of patch 3 separately to Greg after these go
into "net".

Vladimir Oltean (3):
  net: dsa: stop syncing the bridge mcast_router attribute at join time
  net: dsa: mt7530: remove the .port_set_mrouter implementation
  net: dsa: don't disable multicast flooding to the CPU even without an
    IGMP querier

 drivers/net/dsa/b53/b53_common.c | 10 ----------
 drivers/net/dsa/bcm_sf2.c        |  1 -
 drivers/net/dsa/mt7530.c         | 13 -------------
 drivers/net/dsa/mv88e6xxx/chip.c | 18 ------------------
 include/net/dsa.h                |  2 --
 net/dsa/dsa_priv.h               |  2 --
 net/dsa/port.c                   | 21 ---------------------
 net/dsa/slave.c                  |  6 ------
 8 files changed, 73 deletions(-)