From 5a7921f46df2aded2c3e49b3e2104a0d1041dea4 Mon Sep 17 00:00:00 2001 From: Vivien Didelot Date: Fri, 4 Nov 2016 03:23:28 +0100 Subject: [PATCH] net: dsa: mv88e6xxx: add port vlan map setter Add a port function to access the Port Based VLAN Map register. Signed-off-by: Vivien Didelot Signed-off-by: David S. Miller --- drivers/net/dsa/mv88e6xxx/chip.c | 14 ++------------ drivers/net/dsa/mv88e6xxx/port.c | 25 +++++++++++++++++++++++++ drivers/net/dsa/mv88e6xxx/port.h | 2 ++ 3 files changed, 29 insertions(+), 12 deletions(-) diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c index 12c1175ce55d..0877777c4693 100644 --- a/drivers/net/dsa/mv88e6xxx/chip.c +++ b/drivers/net/dsa/mv88e6xxx/chip.c @@ -1218,16 +1218,13 @@ static int _mv88e6xxx_atu_remove(struct mv88e6xxx_chip *chip, u16 fid, static int _mv88e6xxx_port_based_vlan_map(struct mv88e6xxx_chip *chip, int port) { struct net_device *bridge = chip->ports[port].bridge_dev; - const u16 mask = (1 << mv88e6xxx_num_ports(chip)) - 1; struct dsa_switch *ds = chip->ds; u16 output_ports = 0; - u16 reg; - int err; int i; /* allow CPU port or DSA link(s) to send frames to every port */ if (dsa_is_cpu_port(ds, port) || dsa_is_dsa_port(ds, port)) { - output_ports = mask; + output_ports = ~0; } else { for (i = 0; i < mv88e6xxx_num_ports(chip); ++i) { /* allow sending frames to every group member */ @@ -1243,14 +1240,7 @@ static int _mv88e6xxx_port_based_vlan_map(struct mv88e6xxx_chip *chip, int port) /* prevent frames from going back out of the port they came in on */ output_ports &= ~BIT(port); - err = mv88e6xxx_port_read(chip, port, PORT_BASE_VLAN, ®); - if (err) - return err; - - reg &= ~mask; - reg |= output_ports & mask; - - return mv88e6xxx_port_write(chip, port, PORT_BASE_VLAN, reg); + return mv88e6xxx_port_set_vlan_map(chip, port, output_ports); } static void mv88e6xxx_port_stp_state_set(struct dsa_switch *ds, int port, diff --git a/drivers/net/dsa/mv88e6xxx/port.c b/drivers/net/dsa/mv88e6xxx/port.c index 8d59fe73a834..c6a22ae23181 100644 --- a/drivers/net/dsa/mv88e6xxx/port.c +++ b/drivers/net/dsa/mv88e6xxx/port.c @@ -60,3 +60,28 @@ int mv88e6xxx_port_set_state(struct mv88e6xxx_chip *chip, int port, u8 state) return 0; } + +/* Offset 0x06: Port Based VLAN Map */ + +int mv88e6xxx_port_set_vlan_map(struct mv88e6xxx_chip *chip, int port, u16 map) +{ + const u16 mask = GENMASK(mv88e6xxx_num_ports(chip) - 1, 0); + u16 reg; + int err; + + err = mv88e6xxx_port_read(chip, port, PORT_BASE_VLAN, ®); + if (err) + return err; + + reg &= ~mask; + reg |= map & mask; + + err = mv88e6xxx_port_write(chip, port, PORT_BASE_VLAN, reg); + if (err) + return err; + + netdev_dbg(chip->ds->ports[port].netdev, "VLANTable set to %.3x\n", + map); + + return 0; +} diff --git a/drivers/net/dsa/mv88e6xxx/port.h b/drivers/net/dsa/mv88e6xxx/port.h index ac13988fc79a..037d6384b3aa 100644 --- a/drivers/net/dsa/mv88e6xxx/port.h +++ b/drivers/net/dsa/mv88e6xxx/port.h @@ -23,4 +23,6 @@ int mv88e6xxx_port_write(struct mv88e6xxx_chip *chip, int port, int reg, int mv88e6xxx_port_set_state(struct mv88e6xxx_chip *chip, int port, u8 state); +int mv88e6xxx_port_set_vlan_map(struct mv88e6xxx_chip *chip, int port, u16 map); + #endif /* _MV88E6XXX_PORT_H */ -- 2.20.1