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Currently, when we add the first sja1105 port to a bridge with
vlan_filtering 1, then we sometimes see this output:
sja1105 spi2.2: port 4 failed to read back entry for be:79:b4:9e:9e:96 vid 3088: -ENOENT
sja1105 spi2.2: Reset switch and programmed static config. Reason: VLAN filtering
sja1105 spi2.2: port 0 failed to add be:79:b4:9e:9e:96 vid 0 to fdb: -2
It is because sja1105_fdb_add() runs from the dsa_owq which is no longer
serialized with switch resets since it dropped the rtnl_lock() in the
blamed commit.
Either performing the FDB accesses before the reset, or after the reset,
is equally fine, because sja1105_static_fdb_change() backs up those
changes in the static config, but FDB access during reset isn't ok.
Make sja1105_static_config_reload() take the fdb_lock to fix that.
Fixes:
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---|---|---|
.. | ||
b53 | ||
hirschmann | ||
microchip | ||
mv88e6xxx | ||
ocelot | ||
qca | ||
realtek | ||
sja1105 | ||
xrs700x | ||
bcm_sf2_cfp.c | ||
bcm_sf2_regs.h | ||
bcm_sf2.c | ||
bcm_sf2.h | ||
dsa_loop_bdinfo.c | ||
dsa_loop.c | ||
dsa_loop.h | ||
Kconfig | ||
lan9303_i2c.c | ||
lan9303_mdio.c | ||
lan9303-core.c | ||
lan9303.h | ||
lantiq_gswip.c | ||
lantiq_pce.h | ||
Makefile | ||
mt7530-mdio.c | ||
mt7530-mmio.c | ||
mt7530.c | ||
mt7530.h | ||
mv88e6060.c | ||
mv88e6060.h | ||
rzn1_a5psw.c | ||
rzn1_a5psw.h | ||
vitesse-vsc73xx-core.c | ||
vitesse-vsc73xx-platform.c | ||
vitesse-vsc73xx-spi.c | ||
vitesse-vsc73xx.h |