kernel: DSA roaming fix for Marvell mv88e6xxx
[openwrt/openwrt.git] / target / linux / generic / pending-5.4 / 768-net-dsa-mv88e6xxx-Request-assisted-learning-on-CPU-port.patch
1 From: Tobias Waldekranz <tobias@waldekranz.com>
2 Subject: [RFC net-next 7/7] net: dsa: mv88e6xxx: Request assisted learning on CPU port
3 Date: Sat, 16 Jan 2021 02:25:15 +0100
4 Archived-At: <https://lore.kernel.org/netdev/20210116012515.3152-8-tobias@waldekranz.com/>
5
6 While the hardware is capable of performing learning on the CPU port,
7 it requires alot of additions to the bridge's forwarding path in order
8 to handle multi-destination traffic correctly.
9
10 Until that is in place, opt for the next best thing and let DSA sync
11 the relevant addresses down to the hardware FDB.
12
13 Signed-off-by: Tobias Waldekranz <tobias@waldekranz.com>
14 ---
15 drivers/net/dsa/mv88e6xxx/chip.c | 1 +
16 1 file changed, 1 insertion(+)
17
18 --- a/drivers/net/dsa/mv88e6xxx/chip.c
19 +++ b/drivers/net/dsa/mv88e6xxx/chip.c
20 @@ -5080,6 +5080,7 @@ static int mv88e6xxx_register_switch(str
21 ds->ops = &mv88e6xxx_switch_ops;
22 ds->ageing_time_min = chip->info->age_time_coeff;
23 ds->ageing_time_max = chip->info->age_time_coeff * U8_MAX;
24 + ds->assisted_learning_on_cpu_port = true;
25
26 dev_set_drvdata(dev, ds);
27