diff options
| author | Tobias Waldekranz <tobias@waldekranz.com> | 2021-01-13 09:42:54 +0100 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2021-01-14 17:11:56 -0800 |
| commit | 57e661aae6a823140787dbcc34d92e223e2f71c5 (patch) | |
| tree | 42d013398bd52d0b8d979c6fb79425232bec5971 /drivers/net/dsa/mv88e6xxx/port.c | |
| parent | 058102a6e9eb1905a7da41b7a5a7a1f278a3828a (diff) | |
net: dsa: mv88e6xxx: Link aggregation support
Support offloading of LAGs to hardware. LAGs may be attached to a
bridge in which case VLANs, multicast groups, etc. are also offloaded
as usual.
Signed-off-by: Tobias Waldekranz <tobias@waldekranz.com>
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net/dsa/mv88e6xxx/port.c')
| -rw-r--r-- | drivers/net/dsa/mv88e6xxx/port.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/net/dsa/mv88e6xxx/port.c b/drivers/net/dsa/mv88e6xxx/port.c index 77a5fd1798cd..4b46e10a2dde 100644 --- a/drivers/net/dsa/mv88e6xxx/port.c +++ b/drivers/net/dsa/mv88e6xxx/port.c @@ -851,6 +851,27 @@ int mv88e6xxx_port_set_message_port(struct mv88e6xxx_chip *chip, int port, return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL1, val); } +int mv88e6xxx_port_set_trunk(struct mv88e6xxx_chip *chip, int port, + bool trunk, u8 id) +{ + u16 val; + int err; + + err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL1, &val); + if (err) + return err; + + val &= ~MV88E6XXX_PORT_CTL1_TRUNK_ID_MASK; + + if (trunk) + val |= MV88E6XXX_PORT_CTL1_TRUNK_PORT | + (id << MV88E6XXX_PORT_CTL1_TRUNK_ID_SHIFT); + else + val &= ~MV88E6XXX_PORT_CTL1_TRUNK_PORT; + + return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL1, val); +} + /* Offset 0x06: Port Based VLAN Map */ int mv88e6xxx_port_set_vlan_map(struct mv88e6xxx_chip *chip, int port, u16 map) |