1749 lines
40 KiB
C
1749 lines
40 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Marvell 88E6xxx Switch Port Registers support
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*
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* Copyright (c) 2008 Marvell Semiconductor
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*
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* Copyright (c) 2016-2017 Savoir-faire Linux Inc.
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* Vivien Didelot <vivien.didelot@savoirfairelinux.com>
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*/
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#include <linux/bitfield.h>
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#include <linux/if_bridge.h>
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#include <linux/phy.h>
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#include <linux/phylink.h>
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#include "chip.h"
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#include "global2.h"
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#include "port.h"
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#include "serdes.h"
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int mv88e6xxx_port_read(struct mv88e6xxx_chip *chip, int port, int reg,
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u16 *val)
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{
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int addr = chip->info->port_base_addr + port;
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return mv88e6xxx_read(chip, addr, reg, val);
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}
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int mv88e6xxx_port_wait_bit(struct mv88e6xxx_chip *chip, int port, int reg,
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int bit, int val)
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{
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int addr = chip->info->port_base_addr + port;
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return mv88e6xxx_wait_bit(chip, addr, reg, bit, val);
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}
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int mv88e6xxx_port_write(struct mv88e6xxx_chip *chip, int port, int reg,
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u16 val)
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{
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int addr = chip->info->port_base_addr + port;
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return mv88e6xxx_write(chip, addr, reg, val);
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}
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/* Offset 0x00: MAC (or PCS or Physical) Status Register
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*
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* For most devices, this is read only. However the 6185 has the MyPause
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* bit read/write.
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*/
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int mv88e6185_port_set_pause(struct mv88e6xxx_chip *chip, int port,
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int pause)
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{
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u16 reg;
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int err;
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err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_STS, ®);
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if (err)
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return err;
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if (pause)
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reg |= MV88E6XXX_PORT_STS_MY_PAUSE;
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else
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reg &= ~MV88E6XXX_PORT_STS_MY_PAUSE;
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return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_STS, reg);
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}
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/* Offset 0x01: MAC (or PCS or Physical) Control Register
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*
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* Link, Duplex and Flow Control have one force bit, one value bit.
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*
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* For port's MAC speed, ForceSpd (or SpdValue) bits 1:0 program the value.
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* Alternative values require the 200BASE (or AltSpeed) bit 12 set.
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* Newer chips need a ForcedSpd bit 13 set to consider the value.
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*/
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static int mv88e6xxx_port_set_rgmii_delay(struct mv88e6xxx_chip *chip, int port,
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phy_interface_t mode)
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{
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u16 reg;
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int err;
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err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_MAC_CTL, ®);
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if (err)
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return err;
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reg &= ~(MV88E6XXX_PORT_MAC_CTL_RGMII_DELAY_RXCLK |
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MV88E6XXX_PORT_MAC_CTL_RGMII_DELAY_TXCLK);
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switch (mode) {
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case PHY_INTERFACE_MODE_RGMII_RXID:
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reg |= MV88E6XXX_PORT_MAC_CTL_RGMII_DELAY_RXCLK;
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break;
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case PHY_INTERFACE_MODE_RGMII_TXID:
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reg |= MV88E6XXX_PORT_MAC_CTL_RGMII_DELAY_TXCLK;
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break;
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case PHY_INTERFACE_MODE_RGMII_ID:
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reg |= MV88E6XXX_PORT_MAC_CTL_RGMII_DELAY_RXCLK |
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MV88E6XXX_PORT_MAC_CTL_RGMII_DELAY_TXCLK;
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break;
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case PHY_INTERFACE_MODE_RGMII:
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break;
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default:
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return 0;
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}
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err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_MAC_CTL, reg);
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if (err)
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return err;
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dev_dbg(chip->dev, "p%d: delay RXCLK %s, TXCLK %s\n", port,
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reg & MV88E6XXX_PORT_MAC_CTL_RGMII_DELAY_RXCLK ? "yes" : "no",
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reg & MV88E6XXX_PORT_MAC_CTL_RGMII_DELAY_TXCLK ? "yes" : "no");
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return 0;
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}
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int mv88e6352_port_set_rgmii_delay(struct mv88e6xxx_chip *chip, int port,
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phy_interface_t mode)
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{
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if (port < 5)
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return -EOPNOTSUPP;
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return mv88e6xxx_port_set_rgmii_delay(chip, port, mode);
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}
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int mv88e6390_port_set_rgmii_delay(struct mv88e6xxx_chip *chip, int port,
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phy_interface_t mode)
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{
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if (port != 0)
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return -EOPNOTSUPP;
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return mv88e6xxx_port_set_rgmii_delay(chip, port, mode);
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}
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int mv88e6xxx_port_set_link(struct mv88e6xxx_chip *chip, int port, int link)
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{
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u16 reg;
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int err;
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err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_MAC_CTL, ®);
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if (err)
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return err;
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reg &= ~(MV88E6XXX_PORT_MAC_CTL_FORCE_LINK |
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MV88E6XXX_PORT_MAC_CTL_LINK_UP);
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switch (link) {
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case LINK_FORCED_DOWN:
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reg |= MV88E6XXX_PORT_MAC_CTL_FORCE_LINK;
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break;
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case LINK_FORCED_UP:
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reg |= MV88E6XXX_PORT_MAC_CTL_FORCE_LINK |
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MV88E6XXX_PORT_MAC_CTL_LINK_UP;
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break;
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case LINK_UNFORCED:
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/* normal link detection */
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break;
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default:
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return -EINVAL;
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}
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err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_MAC_CTL, reg);
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if (err)
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return err;
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dev_dbg(chip->dev, "p%d: %s link %s\n", port,
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reg & MV88E6XXX_PORT_MAC_CTL_FORCE_LINK ? "Force" : "Unforce",
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reg & MV88E6XXX_PORT_MAC_CTL_LINK_UP ? "up" : "down");
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return 0;
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}
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int mv88e6xxx_port_sync_link(struct mv88e6xxx_chip *chip, int port, unsigned int mode, bool isup)
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{
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const struct mv88e6xxx_ops *ops = chip->info->ops;
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int err = 0;
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int link;
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if (isup)
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link = LINK_FORCED_UP;
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else
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link = LINK_FORCED_DOWN;
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if (ops->port_set_link)
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err = ops->port_set_link(chip, port, link);
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return err;
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}
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int mv88e6185_port_sync_link(struct mv88e6xxx_chip *chip, int port, unsigned int mode, bool isup)
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{
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const struct mv88e6xxx_ops *ops = chip->info->ops;
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int err = 0;
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int link;
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if (mode == MLO_AN_INBAND)
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link = LINK_UNFORCED;
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else if (isup)
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link = LINK_FORCED_UP;
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else
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link = LINK_FORCED_DOWN;
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if (ops->port_set_link)
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err = ops->port_set_link(chip, port, link);
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return err;
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}
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static int mv88e6xxx_port_set_speed_duplex(struct mv88e6xxx_chip *chip,
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int port, int speed, bool alt_bit,
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bool force_bit, int duplex)
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{
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u16 reg, ctrl;
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int err;
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switch (speed) {
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case 10:
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ctrl = MV88E6XXX_PORT_MAC_CTL_SPEED_10;
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break;
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case 100:
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ctrl = MV88E6XXX_PORT_MAC_CTL_SPEED_100;
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break;
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case 200:
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if (alt_bit)
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ctrl = MV88E6XXX_PORT_MAC_CTL_SPEED_100 |
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MV88E6390_PORT_MAC_CTL_ALTSPEED;
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else
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ctrl = MV88E6065_PORT_MAC_CTL_SPEED_200;
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break;
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case 1000:
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ctrl = MV88E6XXX_PORT_MAC_CTL_SPEED_1000;
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break;
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case 2500:
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if (alt_bit)
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ctrl = MV88E6390_PORT_MAC_CTL_SPEED_10000 |
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MV88E6390_PORT_MAC_CTL_ALTSPEED;
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else
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ctrl = MV88E6390_PORT_MAC_CTL_SPEED_10000;
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break;
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case 10000:
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/* all bits set, fall through... */
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case SPEED_UNFORCED:
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ctrl = MV88E6XXX_PORT_MAC_CTL_SPEED_UNFORCED;
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break;
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default:
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return -EOPNOTSUPP;
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}
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switch (duplex) {
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case DUPLEX_HALF:
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ctrl |= MV88E6XXX_PORT_MAC_CTL_FORCE_DUPLEX;
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break;
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case DUPLEX_FULL:
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ctrl |= MV88E6XXX_PORT_MAC_CTL_FORCE_DUPLEX |
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MV88E6XXX_PORT_MAC_CTL_DUPLEX_FULL;
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break;
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case DUPLEX_UNFORCED:
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/* normal duplex detection */
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break;
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default:
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return -EOPNOTSUPP;
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}
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err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_MAC_CTL, ®);
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if (err)
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return err;
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reg &= ~(MV88E6XXX_PORT_MAC_CTL_SPEED_MASK |
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MV88E6XXX_PORT_MAC_CTL_FORCE_DUPLEX |
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MV88E6XXX_PORT_MAC_CTL_DUPLEX_FULL);
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if (alt_bit)
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reg &= ~MV88E6390_PORT_MAC_CTL_ALTSPEED;
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if (force_bit) {
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reg &= ~MV88E6390_PORT_MAC_CTL_FORCE_SPEED;
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if (speed != SPEED_UNFORCED)
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ctrl |= MV88E6390_PORT_MAC_CTL_FORCE_SPEED;
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}
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reg |= ctrl;
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err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_MAC_CTL, reg);
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if (err)
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return err;
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if (speed != SPEED_UNFORCED)
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dev_dbg(chip->dev, "p%d: Speed set to %d Mbps\n", port, speed);
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else
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dev_dbg(chip->dev, "p%d: Speed unforced\n", port);
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dev_dbg(chip->dev, "p%d: %s %s duplex\n", port,
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reg & MV88E6XXX_PORT_MAC_CTL_FORCE_DUPLEX ? "Force" : "Unforce",
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reg & MV88E6XXX_PORT_MAC_CTL_DUPLEX_FULL ? "full" : "half");
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return 0;
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}
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/* Support 10, 100, 200 Mbps (e.g. 88E6065 family) */
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int mv88e6065_port_set_speed_duplex(struct mv88e6xxx_chip *chip, int port,
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int speed, int duplex)
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{
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if (speed == SPEED_MAX)
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speed = 200;
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if (speed > 200)
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return -EOPNOTSUPP;
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/* Setting 200 Mbps on port 0 to 3 selects 100 Mbps */
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return mv88e6xxx_port_set_speed_duplex(chip, port, speed, false, false,
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duplex);
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}
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/* Support 10, 100, 1000 Mbps (e.g. 88E6185 family) */
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int mv88e6185_port_set_speed_duplex(struct mv88e6xxx_chip *chip, int port,
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int speed, int duplex)
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{
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if (speed == SPEED_MAX)
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speed = 1000;
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if (speed == 200 || speed > 1000)
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return -EOPNOTSUPP;
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return mv88e6xxx_port_set_speed_duplex(chip, port, speed, false, false,
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duplex);
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}
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/* Support 10, 100 Mbps (e.g. 88E6250 family) */
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int mv88e6250_port_set_speed_duplex(struct mv88e6xxx_chip *chip, int port,
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int speed, int duplex)
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{
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if (speed == SPEED_MAX)
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speed = 100;
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if (speed > 100)
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return -EOPNOTSUPP;
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return mv88e6xxx_port_set_speed_duplex(chip, port, speed, false, false,
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duplex);
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}
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/* Support 10, 100, 200, 1000, 2500 Mbps (e.g. 88E6341) */
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int mv88e6341_port_set_speed_duplex(struct mv88e6xxx_chip *chip, int port,
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int speed, int duplex)
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{
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if (speed == SPEED_MAX)
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speed = port < 5 ? 1000 : 2500;
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if (speed > 2500)
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return -EOPNOTSUPP;
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if (speed == 200 && port != 0)
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return -EOPNOTSUPP;
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if (speed == 2500 && port < 5)
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return -EOPNOTSUPP;
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return mv88e6xxx_port_set_speed_duplex(chip, port, speed, !port, true,
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duplex);
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}
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phy_interface_t mv88e6341_port_max_speed_mode(int port)
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{
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if (port == 5)
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return PHY_INTERFACE_MODE_2500BASEX;
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return PHY_INTERFACE_MODE_NA;
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}
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/* Support 10, 100, 200, 1000 Mbps (e.g. 88E6352 family) */
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int mv88e6352_port_set_speed_duplex(struct mv88e6xxx_chip *chip, int port,
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int speed, int duplex)
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{
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if (speed == SPEED_MAX)
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speed = 1000;
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if (speed > 1000)
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return -EOPNOTSUPP;
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if (speed == 200 && port < 5)
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return -EOPNOTSUPP;
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return mv88e6xxx_port_set_speed_duplex(chip, port, speed, true, false,
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duplex);
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}
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/* Support 10, 100, 200, 1000, 2500 Mbps (e.g. 88E6390) */
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int mv88e6390_port_set_speed_duplex(struct mv88e6xxx_chip *chip, int port,
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int speed, int duplex)
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{
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if (speed == SPEED_MAX)
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speed = port < 9 ? 1000 : 2500;
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if (speed > 2500)
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return -EOPNOTSUPP;
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if (speed == 200 && port != 0)
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return -EOPNOTSUPP;
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if (speed == 2500 && port < 9)
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return -EOPNOTSUPP;
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return mv88e6xxx_port_set_speed_duplex(chip, port, speed, true, true,
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duplex);
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}
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phy_interface_t mv88e6390_port_max_speed_mode(int port)
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{
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if (port == 9 || port == 10)
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return PHY_INTERFACE_MODE_2500BASEX;
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return PHY_INTERFACE_MODE_NA;
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}
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/* Support 10, 100, 200, 1000, 2500, 10000 Mbps (e.g. 88E6190X) */
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int mv88e6390x_port_set_speed_duplex(struct mv88e6xxx_chip *chip, int port,
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int speed, int duplex)
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{
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if (speed == SPEED_MAX)
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speed = port < 9 ? 1000 : 10000;
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if (speed == 200 && port != 0)
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return -EOPNOTSUPP;
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if (speed >= 2500 && port < 9)
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return -EOPNOTSUPP;
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return mv88e6xxx_port_set_speed_duplex(chip, port, speed, true, true,
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duplex);
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}
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phy_interface_t mv88e6390x_port_max_speed_mode(int port)
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{
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if (port == 9 || port == 10)
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return PHY_INTERFACE_MODE_XAUI;
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return PHY_INTERFACE_MODE_NA;
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}
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/* Support 10, 100, 200, 1000, 2500, 5000, 10000 Mbps (e.g. 88E6393X)
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* Function mv88e6xxx_port_set_speed_duplex() can't be used as the register
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* values for speeds 2500 & 5000 conflict.
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*/
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int mv88e6393x_port_set_speed_duplex(struct mv88e6xxx_chip *chip, int port,
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int speed, int duplex)
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{
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u16 reg, ctrl;
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int err;
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if (speed == SPEED_MAX)
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speed = (port > 0 && port < 9) ? 1000 : 10000;
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if (speed == 200 && port != 0)
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return -EOPNOTSUPP;
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if (speed >= 2500 && port > 0 && port < 9)
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return -EOPNOTSUPP;
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switch (speed) {
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case 10:
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ctrl = MV88E6XXX_PORT_MAC_CTL_SPEED_10;
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break;
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case 100:
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ctrl = MV88E6XXX_PORT_MAC_CTL_SPEED_100;
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break;
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case 200:
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ctrl = MV88E6XXX_PORT_MAC_CTL_SPEED_100 |
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MV88E6390_PORT_MAC_CTL_ALTSPEED;
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break;
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case 1000:
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ctrl = MV88E6XXX_PORT_MAC_CTL_SPEED_1000;
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break;
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case 2500:
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ctrl = MV88E6XXX_PORT_MAC_CTL_SPEED_1000 |
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MV88E6390_PORT_MAC_CTL_ALTSPEED;
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break;
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case 5000:
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ctrl = MV88E6390_PORT_MAC_CTL_SPEED_10000 |
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MV88E6390_PORT_MAC_CTL_ALTSPEED;
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break;
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case 10000:
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case SPEED_UNFORCED:
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ctrl = MV88E6XXX_PORT_MAC_CTL_SPEED_UNFORCED;
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break;
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default:
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return -EOPNOTSUPP;
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}
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switch (duplex) {
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case DUPLEX_HALF:
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ctrl |= MV88E6XXX_PORT_MAC_CTL_FORCE_DUPLEX;
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break;
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case DUPLEX_FULL:
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ctrl |= MV88E6XXX_PORT_MAC_CTL_FORCE_DUPLEX |
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MV88E6XXX_PORT_MAC_CTL_DUPLEX_FULL;
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break;
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case DUPLEX_UNFORCED:
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/* normal duplex detection */
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break;
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|
default:
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_MAC_CTL, ®);
|
|
if (err)
|
|
return err;
|
|
|
|
reg &= ~(MV88E6XXX_PORT_MAC_CTL_SPEED_MASK |
|
|
MV88E6390_PORT_MAC_CTL_ALTSPEED |
|
|
MV88E6390_PORT_MAC_CTL_FORCE_SPEED);
|
|
|
|
if (speed != SPEED_UNFORCED)
|
|
reg |= MV88E6390_PORT_MAC_CTL_FORCE_SPEED;
|
|
|
|
reg |= ctrl;
|
|
|
|
err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_MAC_CTL, reg);
|
|
if (err)
|
|
return err;
|
|
|
|
if (speed != SPEED_UNFORCED)
|
|
dev_dbg(chip->dev, "p%d: Speed set to %d Mbps\n", port, speed);
|
|
else
|
|
dev_dbg(chip->dev, "p%d: Speed unforced\n", port);
|
|
dev_dbg(chip->dev, "p%d: %s %s duplex\n", port,
|
|
reg & MV88E6XXX_PORT_MAC_CTL_FORCE_DUPLEX ? "Force" : "Unforce",
|
|
reg & MV88E6XXX_PORT_MAC_CTL_DUPLEX_FULL ? "full" : "half");
|
|
|
|
return 0;
|
|
}
|
|
|
|
phy_interface_t mv88e6393x_port_max_speed_mode(int port)
|
|
{
|
|
if (port == 0 || port == 9 || port == 10)
|
|
return PHY_INTERFACE_MODE_10GBASER;
|
|
|
|
return PHY_INTERFACE_MODE_NA;
|
|
}
|
|
|
|
static int mv88e6xxx_port_set_cmode(struct mv88e6xxx_chip *chip, int port,
|
|
phy_interface_t mode, bool force)
|
|
{
|
|
u16 cmode;
|
|
int lane;
|
|
u16 reg;
|
|
int err;
|
|
|
|
/* Default to a slow mode, so freeing up SERDES interfaces for
|
|
* other ports which might use them for SFPs.
|
|
*/
|
|
if (mode == PHY_INTERFACE_MODE_NA)
|
|
mode = PHY_INTERFACE_MODE_1000BASEX;
|
|
|
|
switch (mode) {
|
|
case PHY_INTERFACE_MODE_RMII:
|
|
cmode = MV88E6XXX_PORT_STS_CMODE_RMII;
|
|
break;
|
|
case PHY_INTERFACE_MODE_1000BASEX:
|
|
cmode = MV88E6XXX_PORT_STS_CMODE_1000BASEX;
|
|
break;
|
|
case PHY_INTERFACE_MODE_SGMII:
|
|
cmode = MV88E6XXX_PORT_STS_CMODE_SGMII;
|
|
break;
|
|
case PHY_INTERFACE_MODE_2500BASEX:
|
|
cmode = MV88E6XXX_PORT_STS_CMODE_2500BASEX;
|
|
break;
|
|
case PHY_INTERFACE_MODE_5GBASER:
|
|
cmode = MV88E6393X_PORT_STS_CMODE_5GBASER;
|
|
break;
|
|
case PHY_INTERFACE_MODE_XGMII:
|
|
case PHY_INTERFACE_MODE_XAUI:
|
|
cmode = MV88E6XXX_PORT_STS_CMODE_XAUI;
|
|
break;
|
|
case PHY_INTERFACE_MODE_RXAUI:
|
|
cmode = MV88E6XXX_PORT_STS_CMODE_RXAUI;
|
|
break;
|
|
case PHY_INTERFACE_MODE_10GBASER:
|
|
cmode = MV88E6393X_PORT_STS_CMODE_10GBASER;
|
|
break;
|
|
default:
|
|
cmode = 0;
|
|
}
|
|
|
|
/* cmode doesn't change, nothing to do for us unless forced */
|
|
if (cmode == chip->ports[port].cmode && !force)
|
|
return 0;
|
|
|
|
lane = mv88e6xxx_serdes_get_lane(chip, port);
|
|
if (lane >= 0) {
|
|
if (chip->ports[port].serdes_irq) {
|
|
err = mv88e6xxx_serdes_irq_disable(chip, port, lane);
|
|
if (err)
|
|
return err;
|
|
}
|
|
|
|
err = mv88e6xxx_serdes_power_down(chip, port, lane);
|
|
if (err)
|
|
return err;
|
|
}
|
|
|
|
chip->ports[port].cmode = 0;
|
|
|
|
if (cmode) {
|
|
err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_STS, ®);
|
|
if (err)
|
|
return err;
|
|
|
|
reg &= ~MV88E6XXX_PORT_STS_CMODE_MASK;
|
|
reg |= cmode;
|
|
|
|
err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_STS, reg);
|
|
if (err)
|
|
return err;
|
|
|
|
chip->ports[port].cmode = cmode;
|
|
|
|
lane = mv88e6xxx_serdes_get_lane(chip, port);
|
|
if (lane == -ENODEV)
|
|
return 0;
|
|
if (lane < 0)
|
|
return lane;
|
|
|
|
err = mv88e6xxx_serdes_power_up(chip, port, lane);
|
|
if (err)
|
|
return err;
|
|
|
|
if (chip->ports[port].serdes_irq) {
|
|
err = mv88e6xxx_serdes_irq_enable(chip, port, lane);
|
|
if (err)
|
|
return err;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int mv88e6390x_port_set_cmode(struct mv88e6xxx_chip *chip, int port,
|
|
phy_interface_t mode)
|
|
{
|
|
if (port != 9 && port != 10)
|
|
return -EOPNOTSUPP;
|
|
|
|
return mv88e6xxx_port_set_cmode(chip, port, mode, false);
|
|
}
|
|
|
|
int mv88e6390_port_set_cmode(struct mv88e6xxx_chip *chip, int port,
|
|
phy_interface_t mode)
|
|
{
|
|
if (port != 9 && port != 10)
|
|
return -EOPNOTSUPP;
|
|
|
|
switch (mode) {
|
|
case PHY_INTERFACE_MODE_NA:
|
|
return 0;
|
|
case PHY_INTERFACE_MODE_XGMII:
|
|
case PHY_INTERFACE_MODE_XAUI:
|
|
case PHY_INTERFACE_MODE_RXAUI:
|
|
return -EINVAL;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return mv88e6xxx_port_set_cmode(chip, port, mode, false);
|
|
}
|
|
|
|
int mv88e6393x_port_set_cmode(struct mv88e6xxx_chip *chip, int port,
|
|
phy_interface_t mode)
|
|
{
|
|
int err;
|
|
u16 reg;
|
|
|
|
if (port != 0 && port != 9 && port != 10)
|
|
return -EOPNOTSUPP;
|
|
|
|
/* mv88e6393x errata 4.5: EEE should be disabled on SERDES ports */
|
|
err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_MAC_CTL, ®);
|
|
if (err)
|
|
return err;
|
|
|
|
reg &= ~MV88E6XXX_PORT_MAC_CTL_EEE;
|
|
reg |= MV88E6XXX_PORT_MAC_CTL_FORCE_EEE;
|
|
err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_MAC_CTL, reg);
|
|
if (err)
|
|
return err;
|
|
|
|
return mv88e6xxx_port_set_cmode(chip, port, mode, false);
|
|
}
|
|
|
|
static int mv88e6341_port_set_cmode_writable(struct mv88e6xxx_chip *chip,
|
|
int port)
|
|
{
|
|
int err, addr;
|
|
u16 reg, bits;
|
|
|
|
if (port != 5)
|
|
return -EOPNOTSUPP;
|
|
|
|
addr = chip->info->port_base_addr + port;
|
|
|
|
err = mv88e6xxx_port_hidden_read(chip, 0x7, addr, 0, ®);
|
|
if (err)
|
|
return err;
|
|
|
|
bits = MV88E6341_PORT_RESERVED_1A_FORCE_CMODE |
|
|
MV88E6341_PORT_RESERVED_1A_SGMII_AN;
|
|
|
|
if ((reg & bits) == bits)
|
|
return 0;
|
|
|
|
reg |= bits;
|
|
return mv88e6xxx_port_hidden_write(chip, 0x7, addr, 0, reg);
|
|
}
|
|
|
|
int mv88e6341_port_set_cmode(struct mv88e6xxx_chip *chip, int port,
|
|
phy_interface_t mode)
|
|
{
|
|
int err;
|
|
|
|
if (port != 5)
|
|
return -EOPNOTSUPP;
|
|
|
|
switch (mode) {
|
|
case PHY_INTERFACE_MODE_NA:
|
|
return 0;
|
|
case PHY_INTERFACE_MODE_XGMII:
|
|
case PHY_INTERFACE_MODE_XAUI:
|
|
case PHY_INTERFACE_MODE_RXAUI:
|
|
return -EINVAL;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
err = mv88e6341_port_set_cmode_writable(chip, port);
|
|
if (err)
|
|
return err;
|
|
|
|
return mv88e6xxx_port_set_cmode(chip, port, mode, true);
|
|
}
|
|
|
|
int mv88e6185_port_get_cmode(struct mv88e6xxx_chip *chip, int port, u8 *cmode)
|
|
{
|
|
int err;
|
|
u16 reg;
|
|
|
|
err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_STS, ®);
|
|
if (err)
|
|
return err;
|
|
|
|
*cmode = reg & MV88E6185_PORT_STS_CMODE_MASK;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int mv88e6352_port_get_cmode(struct mv88e6xxx_chip *chip, int port, u8 *cmode)
|
|
{
|
|
int err;
|
|
u16 reg;
|
|
|
|
err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_STS, ®);
|
|
if (err)
|
|
return err;
|
|
|
|
*cmode = reg & MV88E6XXX_PORT_STS_CMODE_MASK;
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* Offset 0x02: Jamming Control
|
|
*
|
|
* Do not limit the period of time that this port can be paused for by
|
|
* the remote end or the period of time that this port can pause the
|
|
* remote end.
|
|
*/
|
|
int mv88e6097_port_pause_limit(struct mv88e6xxx_chip *chip, int port, u8 in,
|
|
u8 out)
|
|
{
|
|
return mv88e6xxx_port_write(chip, port, MV88E6097_PORT_JAM_CTL,
|
|
out << 8 | in);
|
|
}
|
|
|
|
int mv88e6390_port_pause_limit(struct mv88e6xxx_chip *chip, int port, u8 in,
|
|
u8 out)
|
|
{
|
|
int err;
|
|
|
|
err = mv88e6xxx_port_write(chip, port, MV88E6390_PORT_FLOW_CTL,
|
|
MV88E6390_PORT_FLOW_CTL_UPDATE |
|
|
MV88E6390_PORT_FLOW_CTL_LIMIT_IN | in);
|
|
if (err)
|
|
return err;
|
|
|
|
return mv88e6xxx_port_write(chip, port, MV88E6390_PORT_FLOW_CTL,
|
|
MV88E6390_PORT_FLOW_CTL_UPDATE |
|
|
MV88E6390_PORT_FLOW_CTL_LIMIT_OUT | out);
|
|
}
|
|
|
|
/* Offset 0x04: Port Control Register */
|
|
|
|
static const char * const mv88e6xxx_port_state_names[] = {
|
|
[MV88E6XXX_PORT_CTL0_STATE_DISABLED] = "Disabled",
|
|
[MV88E6XXX_PORT_CTL0_STATE_BLOCKING] = "Blocking/Listening",
|
|
[MV88E6XXX_PORT_CTL0_STATE_LEARNING] = "Learning",
|
|
[MV88E6XXX_PORT_CTL0_STATE_FORWARDING] = "Forwarding",
|
|
};
|
|
|
|
int mv88e6xxx_port_set_state(struct mv88e6xxx_chip *chip, int port, u8 state)
|
|
{
|
|
u16 reg;
|
|
int err;
|
|
|
|
err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL0, ®);
|
|
if (err)
|
|
return err;
|
|
|
|
reg &= ~MV88E6XXX_PORT_CTL0_STATE_MASK;
|
|
|
|
switch (state) {
|
|
case BR_STATE_DISABLED:
|
|
state = MV88E6XXX_PORT_CTL0_STATE_DISABLED;
|
|
break;
|
|
case BR_STATE_BLOCKING:
|
|
case BR_STATE_LISTENING:
|
|
state = MV88E6XXX_PORT_CTL0_STATE_BLOCKING;
|
|
break;
|
|
case BR_STATE_LEARNING:
|
|
state = MV88E6XXX_PORT_CTL0_STATE_LEARNING;
|
|
break;
|
|
case BR_STATE_FORWARDING:
|
|
state = MV88E6XXX_PORT_CTL0_STATE_FORWARDING;
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
reg |= state;
|
|
|
|
err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL0, reg);
|
|
if (err)
|
|
return err;
|
|
|
|
dev_dbg(chip->dev, "p%d: PortState set to %s\n", port,
|
|
mv88e6xxx_port_state_names[state]);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int mv88e6xxx_port_set_egress_mode(struct mv88e6xxx_chip *chip, int port,
|
|
enum mv88e6xxx_egress_mode mode)
|
|
{
|
|
int err;
|
|
u16 reg;
|
|
|
|
err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL0, ®);
|
|
if (err)
|
|
return err;
|
|
|
|
reg &= ~MV88E6XXX_PORT_CTL0_EGRESS_MODE_MASK;
|
|
|
|
switch (mode) {
|
|
case MV88E6XXX_EGRESS_MODE_UNMODIFIED:
|
|
reg |= MV88E6XXX_PORT_CTL0_EGRESS_MODE_UNMODIFIED;
|
|
break;
|
|
case MV88E6XXX_EGRESS_MODE_UNTAGGED:
|
|
reg |= MV88E6XXX_PORT_CTL0_EGRESS_MODE_UNTAGGED;
|
|
break;
|
|
case MV88E6XXX_EGRESS_MODE_TAGGED:
|
|
reg |= MV88E6XXX_PORT_CTL0_EGRESS_MODE_TAGGED;
|
|
break;
|
|
case MV88E6XXX_EGRESS_MODE_ETHERTYPE:
|
|
reg |= MV88E6XXX_PORT_CTL0_EGRESS_MODE_ETHER_TYPE_DSA;
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL0, reg);
|
|
}
|
|
|
|
int mv88e6085_port_set_frame_mode(struct mv88e6xxx_chip *chip, int port,
|
|
enum mv88e6xxx_frame_mode mode)
|
|
{
|
|
int err;
|
|
u16 reg;
|
|
|
|
err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL0, ®);
|
|
if (err)
|
|
return err;
|
|
|
|
reg &= ~MV88E6XXX_PORT_CTL0_FRAME_MODE_MASK;
|
|
|
|
switch (mode) {
|
|
case MV88E6XXX_FRAME_MODE_NORMAL:
|
|
reg |= MV88E6XXX_PORT_CTL0_FRAME_MODE_NORMAL;
|
|
break;
|
|
case MV88E6XXX_FRAME_MODE_DSA:
|
|
reg |= MV88E6XXX_PORT_CTL0_FRAME_MODE_DSA;
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL0, reg);
|
|
}
|
|
|
|
int mv88e6351_port_set_frame_mode(struct mv88e6xxx_chip *chip, int port,
|
|
enum mv88e6xxx_frame_mode mode)
|
|
{
|
|
int err;
|
|
u16 reg;
|
|
|
|
err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL0, ®);
|
|
if (err)
|
|
return err;
|
|
|
|
reg &= ~MV88E6XXX_PORT_CTL0_FRAME_MODE_MASK;
|
|
|
|
switch (mode) {
|
|
case MV88E6XXX_FRAME_MODE_NORMAL:
|
|
reg |= MV88E6XXX_PORT_CTL0_FRAME_MODE_NORMAL;
|
|
break;
|
|
case MV88E6XXX_FRAME_MODE_DSA:
|
|
reg |= MV88E6XXX_PORT_CTL0_FRAME_MODE_DSA;
|
|
break;
|
|
case MV88E6XXX_FRAME_MODE_PROVIDER:
|
|
reg |= MV88E6XXX_PORT_CTL0_FRAME_MODE_PROVIDER;
|
|
break;
|
|
case MV88E6XXX_FRAME_MODE_ETHERTYPE:
|
|
reg |= MV88E6XXX_PORT_CTL0_FRAME_MODE_ETHER_TYPE_DSA;
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL0, reg);
|
|
}
|
|
|
|
int mv88e6185_port_set_forward_unknown(struct mv88e6xxx_chip *chip,
|
|
int port, bool unicast)
|
|
{
|
|
int err;
|
|
u16 reg;
|
|
|
|
err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL0, ®);
|
|
if (err)
|
|
return err;
|
|
|
|
if (unicast)
|
|
reg |= MV88E6185_PORT_CTL0_FORWARD_UNKNOWN;
|
|
else
|
|
reg &= ~MV88E6185_PORT_CTL0_FORWARD_UNKNOWN;
|
|
|
|
return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL0, reg);
|
|
}
|
|
|
|
int mv88e6352_port_set_ucast_flood(struct mv88e6xxx_chip *chip, int port,
|
|
bool unicast)
|
|
{
|
|
int err;
|
|
u16 reg;
|
|
|
|
err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL0, ®);
|
|
if (err)
|
|
return err;
|
|
|
|
if (unicast)
|
|
reg |= MV88E6352_PORT_CTL0_EGRESS_FLOODS_UC;
|
|
else
|
|
reg &= ~MV88E6352_PORT_CTL0_EGRESS_FLOODS_UC;
|
|
|
|
return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL0, reg);
|
|
}
|
|
|
|
int mv88e6352_port_set_mcast_flood(struct mv88e6xxx_chip *chip, int port,
|
|
bool multicast)
|
|
{
|
|
int err;
|
|
u16 reg;
|
|
|
|
err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL0, ®);
|
|
if (err)
|
|
return err;
|
|
|
|
if (multicast)
|
|
reg |= MV88E6352_PORT_CTL0_EGRESS_FLOODS_MC;
|
|
else
|
|
reg &= ~MV88E6352_PORT_CTL0_EGRESS_FLOODS_MC;
|
|
|
|
return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL0, reg);
|
|
}
|
|
|
|
/* Offset 0x05: Port Control 1 */
|
|
|
|
int mv88e6xxx_port_set_message_port(struct mv88e6xxx_chip *chip, int port,
|
|
bool message_port)
|
|
{
|
|
u16 val;
|
|
int err;
|
|
|
|
err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL1, &val);
|
|
if (err)
|
|
return err;
|
|
|
|
if (message_port)
|
|
val |= MV88E6XXX_PORT_CTL1_MESSAGE_PORT;
|
|
else
|
|
val &= ~MV88E6XXX_PORT_CTL1_MESSAGE_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)
|
|
{
|
|
const u16 mask = mv88e6xxx_port_mask(chip);
|
|
u16 reg;
|
|
int err;
|
|
|
|
err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_BASE_VLAN, ®);
|
|
if (err)
|
|
return err;
|
|
|
|
reg &= ~mask;
|
|
reg |= map & mask;
|
|
|
|
err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_BASE_VLAN, reg);
|
|
if (err)
|
|
return err;
|
|
|
|
dev_dbg(chip->dev, "p%d: VLANTable set to %.3x\n", port, map);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int mv88e6xxx_port_get_fid(struct mv88e6xxx_chip *chip, int port, u16 *fid)
|
|
{
|
|
const u16 upper_mask = (mv88e6xxx_num_databases(chip) - 1) >> 4;
|
|
u16 reg;
|
|
int err;
|
|
|
|
/* Port's default FID lower 4 bits are located in reg 0x06, offset 12 */
|
|
err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_BASE_VLAN, ®);
|
|
if (err)
|
|
return err;
|
|
|
|
*fid = (reg & 0xf000) >> 12;
|
|
|
|
/* Port's default FID upper bits are located in reg 0x05, offset 0 */
|
|
if (upper_mask) {
|
|
err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL1,
|
|
®);
|
|
if (err)
|
|
return err;
|
|
|
|
*fid |= (reg & upper_mask) << 4;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int mv88e6xxx_port_set_fid(struct mv88e6xxx_chip *chip, int port, u16 fid)
|
|
{
|
|
const u16 upper_mask = (mv88e6xxx_num_databases(chip) - 1) >> 4;
|
|
u16 reg;
|
|
int err;
|
|
|
|
if (fid >= mv88e6xxx_num_databases(chip))
|
|
return -EINVAL;
|
|
|
|
/* Port's default FID lower 4 bits are located in reg 0x06, offset 12 */
|
|
err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_BASE_VLAN, ®);
|
|
if (err)
|
|
return err;
|
|
|
|
reg &= 0x0fff;
|
|
reg |= (fid & 0x000f) << 12;
|
|
|
|
err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_BASE_VLAN, reg);
|
|
if (err)
|
|
return err;
|
|
|
|
/* Port's default FID upper bits are located in reg 0x05, offset 0 */
|
|
if (upper_mask) {
|
|
err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL1,
|
|
®);
|
|
if (err)
|
|
return err;
|
|
|
|
reg &= ~upper_mask;
|
|
reg |= (fid >> 4) & upper_mask;
|
|
|
|
err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL1,
|
|
reg);
|
|
if (err)
|
|
return err;
|
|
}
|
|
|
|
dev_dbg(chip->dev, "p%d: FID set to %u\n", port, fid);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* Offset 0x07: Default Port VLAN ID & Priority */
|
|
|
|
int mv88e6xxx_port_get_pvid(struct mv88e6xxx_chip *chip, int port, u16 *pvid)
|
|
{
|
|
u16 reg;
|
|
int err;
|
|
|
|
err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_DEFAULT_VLAN,
|
|
®);
|
|
if (err)
|
|
return err;
|
|
|
|
*pvid = reg & MV88E6XXX_PORT_DEFAULT_VLAN_MASK;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int mv88e6xxx_port_set_pvid(struct mv88e6xxx_chip *chip, int port, u16 pvid)
|
|
{
|
|
u16 reg;
|
|
int err;
|
|
|
|
err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_DEFAULT_VLAN,
|
|
®);
|
|
if (err)
|
|
return err;
|
|
|
|
reg &= ~MV88E6XXX_PORT_DEFAULT_VLAN_MASK;
|
|
reg |= pvid & MV88E6XXX_PORT_DEFAULT_VLAN_MASK;
|
|
|
|
err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_DEFAULT_VLAN,
|
|
reg);
|
|
if (err)
|
|
return err;
|
|
|
|
dev_dbg(chip->dev, "p%d: DefaultVID set to %u\n", port, pvid);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* Offset 0x08: Port Control 2 Register */
|
|
|
|
static const char * const mv88e6xxx_port_8021q_mode_names[] = {
|
|
[MV88E6XXX_PORT_CTL2_8021Q_MODE_DISABLED] = "Disabled",
|
|
[MV88E6XXX_PORT_CTL2_8021Q_MODE_FALLBACK] = "Fallback",
|
|
[MV88E6XXX_PORT_CTL2_8021Q_MODE_CHECK] = "Check",
|
|
[MV88E6XXX_PORT_CTL2_8021Q_MODE_SECURE] = "Secure",
|
|
};
|
|
|
|
int mv88e6185_port_set_default_forward(struct mv88e6xxx_chip *chip,
|
|
int port, bool multicast)
|
|
{
|
|
int err;
|
|
u16 reg;
|
|
|
|
err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL2, ®);
|
|
if (err)
|
|
return err;
|
|
|
|
if (multicast)
|
|
reg |= MV88E6XXX_PORT_CTL2_DEFAULT_FORWARD;
|
|
else
|
|
reg &= ~MV88E6XXX_PORT_CTL2_DEFAULT_FORWARD;
|
|
|
|
return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL2, reg);
|
|
}
|
|
|
|
int mv88e6095_port_set_upstream_port(struct mv88e6xxx_chip *chip, int port,
|
|
int upstream_port)
|
|
{
|
|
int err;
|
|
u16 reg;
|
|
|
|
err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL2, ®);
|
|
if (err)
|
|
return err;
|
|
|
|
reg &= ~MV88E6095_PORT_CTL2_CPU_PORT_MASK;
|
|
reg |= upstream_port;
|
|
|
|
return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL2, reg);
|
|
}
|
|
|
|
int mv88e6xxx_port_set_mirror(struct mv88e6xxx_chip *chip, int port,
|
|
enum mv88e6xxx_egress_direction direction,
|
|
bool mirror)
|
|
{
|
|
bool *mirror_port;
|
|
u16 reg;
|
|
u16 bit;
|
|
int err;
|
|
|
|
err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL2, ®);
|
|
if (err)
|
|
return err;
|
|
|
|
switch (direction) {
|
|
case MV88E6XXX_EGRESS_DIR_INGRESS:
|
|
bit = MV88E6XXX_PORT_CTL2_INGRESS_MONITOR;
|
|
mirror_port = &chip->ports[port].mirror_ingress;
|
|
break;
|
|
case MV88E6XXX_EGRESS_DIR_EGRESS:
|
|
bit = MV88E6XXX_PORT_CTL2_EGRESS_MONITOR;
|
|
mirror_port = &chip->ports[port].mirror_egress;
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
reg &= ~bit;
|
|
if (mirror)
|
|
reg |= bit;
|
|
|
|
err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL2, reg);
|
|
if (!err)
|
|
*mirror_port = mirror;
|
|
|
|
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;
|
|
|
|
return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_ASSOC_VECTOR, reg);
|
|
}
|
|
|
|
int mv88e6xxx_port_set_8021q_mode(struct mv88e6xxx_chip *chip, int port,
|
|
u16 mode)
|
|
{
|
|
u16 reg;
|
|
int err;
|
|
|
|
err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL2, ®);
|
|
if (err)
|
|
return err;
|
|
|
|
reg &= ~MV88E6XXX_PORT_CTL2_8021Q_MODE_MASK;
|
|
reg |= mode & MV88E6XXX_PORT_CTL2_8021Q_MODE_MASK;
|
|
|
|
err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL2, reg);
|
|
if (err)
|
|
return err;
|
|
|
|
dev_dbg(chip->dev, "p%d: 802.1QMode set to %s\n", port,
|
|
mv88e6xxx_port_8021q_mode_names[mode]);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int mv88e6xxx_port_drop_untagged(struct mv88e6xxx_chip *chip, int port,
|
|
bool drop_untagged)
|
|
{
|
|
u16 old, new;
|
|
int err;
|
|
|
|
err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL2, &old);
|
|
if (err)
|
|
return err;
|
|
|
|
if (drop_untagged)
|
|
new = old | MV88E6XXX_PORT_CTL2_DISCARD_UNTAGGED;
|
|
else
|
|
new = old & ~MV88E6XXX_PORT_CTL2_DISCARD_UNTAGGED;
|
|
|
|
if (new == old)
|
|
return 0;
|
|
|
|
return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL2, new);
|
|
}
|
|
|
|
int mv88e6xxx_port_set_map_da(struct mv88e6xxx_chip *chip, int port, bool map)
|
|
{
|
|
u16 reg;
|
|
int err;
|
|
|
|
err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL2, ®);
|
|
if (err)
|
|
return err;
|
|
|
|
if (map)
|
|
reg |= MV88E6XXX_PORT_CTL2_MAP_DA;
|
|
else
|
|
reg &= ~MV88E6XXX_PORT_CTL2_MAP_DA;
|
|
|
|
return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL2, reg);
|
|
}
|
|
|
|
int mv88e6165_port_set_jumbo_size(struct mv88e6xxx_chip *chip, int port,
|
|
size_t size)
|
|
{
|
|
u16 reg;
|
|
int err;
|
|
|
|
size += VLAN_ETH_HLEN + ETH_FCS_LEN;
|
|
|
|
err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL2, ®);
|
|
if (err)
|
|
return err;
|
|
|
|
reg &= ~MV88E6XXX_PORT_CTL2_JUMBO_MODE_MASK;
|
|
|
|
if (size <= 1522)
|
|
reg |= MV88E6XXX_PORT_CTL2_JUMBO_MODE_1522;
|
|
else if (size <= 2048)
|
|
reg |= MV88E6XXX_PORT_CTL2_JUMBO_MODE_2048;
|
|
else if (size <= 10240)
|
|
reg |= MV88E6XXX_PORT_CTL2_JUMBO_MODE_10240;
|
|
else
|
|
return -ERANGE;
|
|
|
|
return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL2, reg);
|
|
}
|
|
|
|
/* Offset 0x09: Port Rate Control */
|
|
|
|
int mv88e6095_port_egress_rate_limiting(struct mv88e6xxx_chip *chip, int port)
|
|
{
|
|
return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_EGRESS_RATE_CTL1,
|
|
0x0000);
|
|
}
|
|
|
|
int mv88e6097_port_egress_rate_limiting(struct mv88e6xxx_chip *chip, int port)
|
|
{
|
|
return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_EGRESS_RATE_CTL1,
|
|
0x0001);
|
|
}
|
|
|
|
/* Offset 0x0B: Port Association Vector */
|
|
|
|
int mv88e6xxx_port_set_assoc_vector(struct mv88e6xxx_chip *chip, int port,
|
|
u16 pav)
|
|
{
|
|
u16 reg, mask;
|
|
int err;
|
|
|
|
err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_ASSOC_VECTOR,
|
|
®);
|
|
if (err)
|
|
return err;
|
|
|
|
mask = mv88e6xxx_port_mask(chip);
|
|
reg &= ~mask;
|
|
reg |= pav & mask;
|
|
|
|
return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_ASSOC_VECTOR,
|
|
reg);
|
|
}
|
|
|
|
/* Offset 0x0C: Port ATU Control */
|
|
|
|
int mv88e6xxx_port_disable_learn_limit(struct mv88e6xxx_chip *chip, int port)
|
|
{
|
|
return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_ATU_CTL, 0);
|
|
}
|
|
|
|
/* Offset 0x0D: (Priority) Override Register */
|
|
|
|
int mv88e6xxx_port_disable_pri_override(struct mv88e6xxx_chip *chip, int port)
|
|
{
|
|
return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_PRI_OVERRIDE, 0);
|
|
}
|
|
|
|
/* Offset 0x0E: Policy & MGMT Control Register for FAMILY 6191X 6193X 6393X */
|
|
|
|
static int mv88e6393x_port_policy_read(struct mv88e6xxx_chip *chip, int port,
|
|
u16 pointer, u8 *data)
|
|
{
|
|
u16 reg;
|
|
int err;
|
|
|
|
err = mv88e6xxx_port_write(chip, port, MV88E6393X_PORT_POLICY_MGMT_CTL,
|
|
pointer);
|
|
if (err)
|
|
return err;
|
|
|
|
err = mv88e6xxx_port_read(chip, port, MV88E6393X_PORT_POLICY_MGMT_CTL,
|
|
®);
|
|
if (err)
|
|
return err;
|
|
|
|
*data = reg;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int mv88e6393x_port_policy_write(struct mv88e6xxx_chip *chip, int port,
|
|
u16 pointer, u8 data)
|
|
{
|
|
u16 reg;
|
|
|
|
reg = MV88E6393X_PORT_POLICY_MGMT_CTL_UPDATE | pointer | data;
|
|
|
|
return mv88e6xxx_port_write(chip, port, MV88E6393X_PORT_POLICY_MGMT_CTL,
|
|
reg);
|
|
}
|
|
|
|
static int mv88e6393x_port_policy_write_all(struct mv88e6xxx_chip *chip,
|
|
u16 pointer, u8 data)
|
|
{
|
|
int err, port;
|
|
|
|
for (port = 0; port < mv88e6xxx_num_ports(chip); port++) {
|
|
if (dsa_is_unused_port(chip->ds, port))
|
|
continue;
|
|
|
|
err = mv88e6393x_port_policy_write(chip, port, pointer, data);
|
|
if (err)
|
|
return err;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int mv88e6393x_set_egress_port(struct mv88e6xxx_chip *chip,
|
|
enum mv88e6xxx_egress_direction direction,
|
|
int port)
|
|
{
|
|
u16 ptr;
|
|
int err;
|
|
|
|
switch (direction) {
|
|
case MV88E6XXX_EGRESS_DIR_INGRESS:
|
|
ptr = MV88E6393X_PORT_POLICY_MGMT_CTL_PTR_INGRESS_DEST;
|
|
err = mv88e6393x_port_policy_write_all(chip, ptr, port);
|
|
if (err)
|
|
return err;
|
|
break;
|
|
case MV88E6XXX_EGRESS_DIR_EGRESS:
|
|
ptr = MV88E6393X_G2_EGRESS_MONITOR_DEST;
|
|
err = mv88e6xxx_g2_write(chip, ptr, port);
|
|
if (err)
|
|
return err;
|
|
break;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int mv88e6393x_port_set_upstream_port(struct mv88e6xxx_chip *chip, int port,
|
|
int upstream_port)
|
|
{
|
|
u16 ptr = MV88E6393X_PORT_POLICY_MGMT_CTL_PTR_CPU_DEST;
|
|
u8 data = MV88E6393X_PORT_POLICY_MGMT_CTL_CPU_DEST_MGMTPRI |
|
|
upstream_port;
|
|
|
|
return mv88e6393x_port_policy_write(chip, port, ptr, data);
|
|
}
|
|
|
|
int mv88e6393x_port_mgmt_rsvd2cpu(struct mv88e6xxx_chip *chip)
|
|
{
|
|
u16 ptr;
|
|
int err;
|
|
|
|
/* Consider the frames with reserved multicast destination
|
|
* addresses matching 01:80:c2:00:00:00 and
|
|
* 01:80:c2:00:00:02 as MGMT.
|
|
*/
|
|
ptr = MV88E6393X_PORT_POLICY_MGMT_CTL_PTR_01C280000000XLO;
|
|
err = mv88e6393x_port_policy_write_all(chip, ptr, 0xff);
|
|
if (err)
|
|
return err;
|
|
|
|
ptr = MV88E6393X_PORT_POLICY_MGMT_CTL_PTR_01C280000000XHI;
|
|
err = mv88e6393x_port_policy_write_all(chip, ptr, 0xff);
|
|
if (err)
|
|
return err;
|
|
|
|
ptr = MV88E6393X_PORT_POLICY_MGMT_CTL_PTR_01C280000002XLO;
|
|
err = mv88e6393x_port_policy_write_all(chip, ptr, 0xff);
|
|
if (err)
|
|
return err;
|
|
|
|
ptr = MV88E6393X_PORT_POLICY_MGMT_CTL_PTR_01C280000002XHI;
|
|
err = mv88e6393x_port_policy_write_all(chip, ptr, 0xff);
|
|
if (err)
|
|
return err;
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* Offset 0x10 & 0x11: EPC */
|
|
|
|
static int mv88e6393x_port_epc_wait_ready(struct mv88e6xxx_chip *chip, int port)
|
|
{
|
|
int bit = __bf_shf(MV88E6393X_PORT_EPC_CMD_BUSY);
|
|
|
|
return mv88e6xxx_port_wait_bit(chip, port, MV88E6393X_PORT_EPC_CMD, bit, 0);
|
|
}
|
|
|
|
/* Port Ether type for 6393X family */
|
|
|
|
int mv88e6393x_port_set_ether_type(struct mv88e6xxx_chip *chip, int port,
|
|
u16 etype)
|
|
{
|
|
u16 val;
|
|
int err;
|
|
|
|
err = mv88e6393x_port_epc_wait_ready(chip, port);
|
|
if (err)
|
|
return err;
|
|
|
|
err = mv88e6xxx_port_write(chip, port, MV88E6393X_PORT_EPC_DATA, etype);
|
|
if (err)
|
|
return err;
|
|
|
|
val = MV88E6393X_PORT_EPC_CMD_BUSY |
|
|
MV88E6393X_PORT_EPC_CMD_WRITE |
|
|
MV88E6393X_PORT_EPC_INDEX_PORT_ETYPE;
|
|
|
|
return mv88e6xxx_port_write(chip, port, MV88E6393X_PORT_EPC_CMD, val);
|
|
}
|
|
|
|
/* Offset 0x0f: Port Ether type */
|
|
|
|
int mv88e6351_port_set_ether_type(struct mv88e6xxx_chip *chip, int port,
|
|
u16 etype)
|
|
{
|
|
return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_ETH_TYPE, etype);
|
|
}
|
|
|
|
/* Offset 0x18: Port IEEE Priority Remapping Registers [0-3]
|
|
* Offset 0x19: Port IEEE Priority Remapping Registers [4-7]
|
|
*/
|
|
|
|
int mv88e6095_port_tag_remap(struct mv88e6xxx_chip *chip, int port)
|
|
{
|
|
int err;
|
|
|
|
/* Use a direct priority mapping for all IEEE tagged frames */
|
|
err = mv88e6xxx_port_write(chip, port,
|
|
MV88E6095_PORT_IEEE_PRIO_REMAP_0123,
|
|
0x3210);
|
|
if (err)
|
|
return err;
|
|
|
|
return mv88e6xxx_port_write(chip, port,
|
|
MV88E6095_PORT_IEEE_PRIO_REMAP_4567,
|
|
0x7654);
|
|
}
|
|
|
|
static int mv88e6xxx_port_ieeepmt_write(struct mv88e6xxx_chip *chip,
|
|
int port, u16 table, u8 ptr, u16 data)
|
|
{
|
|
u16 reg;
|
|
|
|
reg = MV88E6390_PORT_IEEE_PRIO_MAP_TABLE_UPDATE | table |
|
|
(ptr << __bf_shf(MV88E6390_PORT_IEEE_PRIO_MAP_TABLE_PTR_MASK)) |
|
|
(data & MV88E6390_PORT_IEEE_PRIO_MAP_TABLE_DATA_MASK);
|
|
|
|
return mv88e6xxx_port_write(chip, port,
|
|
MV88E6390_PORT_IEEE_PRIO_MAP_TABLE, reg);
|
|
}
|
|
|
|
int mv88e6390_port_tag_remap(struct mv88e6xxx_chip *chip, int port)
|
|
{
|
|
int err, i;
|
|
u16 table;
|
|
|
|
for (i = 0; i <= 7; i++) {
|
|
table = MV88E6390_PORT_IEEE_PRIO_MAP_TABLE_INGRESS_PCP;
|
|
err = mv88e6xxx_port_ieeepmt_write(chip, port, table, i,
|
|
(i | i << 4));
|
|
if (err)
|
|
return err;
|
|
|
|
table = MV88E6390_PORT_IEEE_PRIO_MAP_TABLE_EGRESS_GREEN_PCP;
|
|
err = mv88e6xxx_port_ieeepmt_write(chip, port, table, i, i);
|
|
if (err)
|
|
return err;
|
|
|
|
table = MV88E6390_PORT_IEEE_PRIO_MAP_TABLE_EGRESS_YELLOW_PCP;
|
|
err = mv88e6xxx_port_ieeepmt_write(chip, port, table, i, i);
|
|
if (err)
|
|
return err;
|
|
|
|
table = MV88E6390_PORT_IEEE_PRIO_MAP_TABLE_EGRESS_AVB_PCP;
|
|
err = mv88e6xxx_port_ieeepmt_write(chip, port, table, i, i);
|
|
if (err)
|
|
return err;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* Offset 0x0E: Policy Control Register */
|
|
|
|
static int
|
|
mv88e6xxx_port_policy_mapping_get_pos(enum mv88e6xxx_policy_mapping mapping,
|
|
enum mv88e6xxx_policy_action action,
|
|
u16 *mask, u16 *val, int *shift)
|
|
{
|
|
switch (mapping) {
|
|
case MV88E6XXX_POLICY_MAPPING_DA:
|
|
*shift = __bf_shf(MV88E6XXX_PORT_POLICY_CTL_DA_MASK);
|
|
*mask = MV88E6XXX_PORT_POLICY_CTL_DA_MASK;
|
|
break;
|
|
case MV88E6XXX_POLICY_MAPPING_SA:
|
|
*shift = __bf_shf(MV88E6XXX_PORT_POLICY_CTL_SA_MASK);
|
|
*mask = MV88E6XXX_PORT_POLICY_CTL_SA_MASK;
|
|
break;
|
|
case MV88E6XXX_POLICY_MAPPING_VTU:
|
|
*shift = __bf_shf(MV88E6XXX_PORT_POLICY_CTL_VTU_MASK);
|
|
*mask = MV88E6XXX_PORT_POLICY_CTL_VTU_MASK;
|
|
break;
|
|
case MV88E6XXX_POLICY_MAPPING_ETYPE:
|
|
*shift = __bf_shf(MV88E6XXX_PORT_POLICY_CTL_ETYPE_MASK);
|
|
*mask = MV88E6XXX_PORT_POLICY_CTL_ETYPE_MASK;
|
|
break;
|
|
case MV88E6XXX_POLICY_MAPPING_PPPOE:
|
|
*shift = __bf_shf(MV88E6XXX_PORT_POLICY_CTL_PPPOE_MASK);
|
|
*mask = MV88E6XXX_PORT_POLICY_CTL_PPPOE_MASK;
|
|
break;
|
|
case MV88E6XXX_POLICY_MAPPING_VBAS:
|
|
*shift = __bf_shf(MV88E6XXX_PORT_POLICY_CTL_VBAS_MASK);
|
|
*mask = MV88E6XXX_PORT_POLICY_CTL_VBAS_MASK;
|
|
break;
|
|
case MV88E6XXX_POLICY_MAPPING_OPT82:
|
|
*shift = __bf_shf(MV88E6XXX_PORT_POLICY_CTL_OPT82_MASK);
|
|
*mask = MV88E6XXX_PORT_POLICY_CTL_OPT82_MASK;
|
|
break;
|
|
case MV88E6XXX_POLICY_MAPPING_UDP:
|
|
*shift = __bf_shf(MV88E6XXX_PORT_POLICY_CTL_UDP_MASK);
|
|
*mask = MV88E6XXX_PORT_POLICY_CTL_UDP_MASK;
|
|
break;
|
|
default:
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
switch (action) {
|
|
case MV88E6XXX_POLICY_ACTION_NORMAL:
|
|
*val = MV88E6XXX_PORT_POLICY_CTL_NORMAL;
|
|
break;
|
|
case MV88E6XXX_POLICY_ACTION_MIRROR:
|
|
*val = MV88E6XXX_PORT_POLICY_CTL_MIRROR;
|
|
break;
|
|
case MV88E6XXX_POLICY_ACTION_TRAP:
|
|
*val = MV88E6XXX_PORT_POLICY_CTL_TRAP;
|
|
break;
|
|
case MV88E6XXX_POLICY_ACTION_DISCARD:
|
|
*val = MV88E6XXX_PORT_POLICY_CTL_DISCARD;
|
|
break;
|
|
default:
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int mv88e6352_port_set_policy(struct mv88e6xxx_chip *chip, int port,
|
|
enum mv88e6xxx_policy_mapping mapping,
|
|
enum mv88e6xxx_policy_action action)
|
|
{
|
|
u16 reg, mask, val;
|
|
int shift;
|
|
int err;
|
|
|
|
err = mv88e6xxx_port_policy_mapping_get_pos(mapping, action, &mask,
|
|
&val, &shift);
|
|
if (err)
|
|
return err;
|
|
|
|
err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_POLICY_CTL, ®);
|
|
if (err)
|
|
return err;
|
|
|
|
reg &= ~mask;
|
|
reg |= (val << shift) & mask;
|
|
|
|
return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_POLICY_CTL, reg);
|
|
}
|
|
|
|
int mv88e6393x_port_set_policy(struct mv88e6xxx_chip *chip, int port,
|
|
enum mv88e6xxx_policy_mapping mapping,
|
|
enum mv88e6xxx_policy_action action)
|
|
{
|
|
u16 mask, val;
|
|
int shift;
|
|
int err;
|
|
u16 ptr;
|
|
u8 reg;
|
|
|
|
err = mv88e6xxx_port_policy_mapping_get_pos(mapping, action, &mask,
|
|
&val, &shift);
|
|
if (err)
|
|
return err;
|
|
|
|
/* The 16-bit Port Policy CTL register from older chips is on 6393x
|
|
* changed to Port Policy MGMT CTL, which can access more data, but
|
|
* indirectly. The original 16-bit value is divided into two 8-bit
|
|
* registers.
|
|
*/
|
|
ptr = shift / 8;
|
|
shift %= 8;
|
|
mask >>= ptr * 8;
|
|
|
|
err = mv88e6393x_port_policy_read(chip, port, ptr, ®);
|
|
if (err)
|
|
return err;
|
|
|
|
reg &= ~mask;
|
|
reg |= (val << shift) & mask;
|
|
|
|
return mv88e6393x_port_policy_write(chip, port, ptr, reg);
|
|
}
|