Re: [PATCH net-next v3 4/5] net: dsa: mv88e6xxx: Add support for bridge port locked mode
From: Vladimir Oltean <olteanv@gmail.com>
Date: 2022-02-19 10:00:43
Also in:
bridge, linux-kselftest, lkml
On Fri, Feb 18, 2022 at 04:51:47PM +0100, Hans Schultz wrote:
quoted hunk ↗ jump to hunk
diff --git a/drivers/net/dsa/mv88e6xxx/port.c b/drivers/net/dsa/mv88e6xxx/port.c index ab41619a809b..46b7381899a0 100644 --- a/drivers/net/dsa/mv88e6xxx/port.c +++ b/drivers/net/dsa/mv88e6xxx/port.c@@ -1234,6 +1234,39 @@ int mv88e6xxx_port_set_mirror(struct mv88e6xxx_chip *chip, int port, return err; } +int mv88e6xxx_port_set_lock(struct mv88e6xxx_chip *chip, int port, + bool locked) +{ + u16 reg; + int err; + + err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL0, ®); + if (err) + return err; + + reg &= ~MV88E6XXX_PORT_CTL0_SA_FILT_MASK; + if (locked) + reg |= MV88E6XXX_PORT_CTL0_SA_FILT_DROP_ON_LOCK; + + err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL0, reg); + if (err) + return err; + + err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_ASSOC_VECTOR, ®); + if (err) + return err; + + reg &= ~MV88E6XXX_PORT_ASSOC_VECTOR_LOCKED_PORT; + if (locked) + reg |= MV88E6XXX_PORT_ASSOC_VECTOR_LOCKED_PORT; + + err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_ASSOC_VECTOR, reg);
return mv88e6xxx_port_write(...);
+ if (err) + return err; + + return 0; +}