mirror of https://github.com/hak5/openwrt-owl.git
kernel: add driver for Marvell 88E6171 switch
This is a swconfig driver for the Marvell 88E6171 switch, which is a 7-port GigE switch with two CPU ports and 64 802.1q VLANs. Signed-off-by: Claudio Leite <leitec@staticky.com> SVN-Revision: 43486owl
John Crispin
parent
b8dd6bb189
commit
9b5f583906
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@ -2143,6 +2143,7 @@ CONFIG_MTD_SPLIT_SQUASHFS_ROOT=y
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# CONFIG_MUTEX_SPIN_ON_OWNER is not set
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# CONFIG_MV643XX_ETH is not set
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# CONFIG_MVMDIO is not set
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# CONFIG_MVSW6171_PHY is not set
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# CONFIG_MVSWITCH_PHY is not set
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# CONFIG_MWAVE is not set
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# CONFIG_MWL8K is not set
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@ -2234,6 +2234,7 @@ CONFIG_MTD_SPLIT_SQUASHFS_ROOT=y
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# CONFIG_MUTEX_SPIN_ON_OWNER is not set
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# CONFIG_MV643XX_ETH is not set
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# CONFIG_MVMDIO is not set
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# CONFIG_MVSW6171_PHY is not set
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# CONFIG_MVSWITCH_PHY is not set
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# CONFIG_MWAVE is not set
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# CONFIG_MWL8K is not set
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@ -0,0 +1,866 @@
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/*
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* Marvell 88E6171 switch driver
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*
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* Copyright (c) 2014 Claudio Leite <leitec@staticky.com>
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*
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* Based on code (c) 2008 Felix Fietkau <nbd@openwrt.org>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License v2 as published by the
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* Free Software Foundation
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*/
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/init.h>
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#include <linux/list.h>
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#include <linux/mii.h>
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#include <linux/phy.h>
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#include <linux/of.h>
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#include <linux/of_mdio.h>
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#include <linux/delay.h>
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#include <linux/switch.h>
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#include <linux/device.h>
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#include <linux/platform_device.h>
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#include "mvsw6171.h"
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MODULE_DESCRIPTION("Marvell 88E6171 Switch driver");
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MODULE_AUTHOR("Claudio Leite <leitec@staticky.com>");
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MODULE_LICENSE("GPL v2");
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MODULE_ALIAS("platform:mvsw6171");
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/*
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* Register access is done through direct or indirect addressing,
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* depending on how the switch is physically connected.
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*
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* Direct addressing: all port and global registers directly
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* accessible via an address/register pair
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*
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* Indirect addressing: switch is mapped at a single address,
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* port and global registers accessible via a single command/data
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* register pair
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*/
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static int
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mvsw6171_wait_mask_raw(struct mii_bus *bus, int addr,
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int reg, u16 mask, u16 val)
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{
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int i = 100;
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u16 r;
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do {
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r = bus->read(bus, addr, reg);
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if ((r & mask) == val)
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return 0;
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} while (--i > 0);
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return -ETIMEDOUT;
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}
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static u16
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r16(struct mii_bus *bus, bool indirect, int base_addr, int addr, int reg)
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{
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u16 ind_addr;
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if (!indirect)
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return bus->read(bus, addr, reg);
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/* Indirect read: First, make sure switch is free */
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mvsw6171_wait_mask_raw(bus, base_addr, MV_INDIRECT_REG_CMD,
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MV_INDIRECT_INPROGRESS, 0);
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/* Load address and request read */
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ind_addr = MV_INDIRECT_READ | (addr << MV_INDIRECT_ADDR_S) | reg;
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bus->write(bus, base_addr, MV_INDIRECT_REG_CMD,
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ind_addr);
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/* Wait until it's ready */
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mvsw6171_wait_mask_raw(bus, base_addr, MV_INDIRECT_REG_CMD,
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MV_INDIRECT_INPROGRESS, 0);
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/* Read the requested data */
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return bus->read(bus, base_addr, MV_INDIRECT_REG_DATA);
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}
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static void
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w16(struct mii_bus *bus, bool indirect, int base_addr, int addr,
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int reg, u16 val)
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{
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u16 ind_addr;
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if (!indirect) {
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bus->write(bus, addr, reg, val);
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return;
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}
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/* Indirect write: First, make sure switch is free */
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mvsw6171_wait_mask_raw(bus, base_addr, MV_INDIRECT_REG_CMD,
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MV_INDIRECT_INPROGRESS, 0);
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/* Load the data to be written */
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bus->write(bus, base_addr, MV_INDIRECT_REG_DATA, val);
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/* Wait again for switch to be free */
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mvsw6171_wait_mask_raw(bus, base_addr, MV_INDIRECT_REG_CMD,
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MV_INDIRECT_INPROGRESS, 0);
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/* Load address, and issue write command */
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ind_addr = MV_INDIRECT_WRITE | (addr << MV_INDIRECT_ADDR_S) | reg;
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bus->write(bus, base_addr, MV_INDIRECT_REG_CMD,
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ind_addr);
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}
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/* swconfig support */
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static inline u16
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sr16(struct switch_dev *dev, int addr, int reg)
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{
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struct mvsw6171_state *state = get_state(dev);
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return r16(state->bus, state->is_indirect, state->base_addr, addr, reg);
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}
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static inline void
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sw16(struct switch_dev *dev, int addr, int reg, u16 val)
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{
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struct mvsw6171_state *state = get_state(dev);
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w16(state->bus, state->is_indirect, state->base_addr, addr, reg, val);
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}
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static int
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mvsw6171_wait_mask_s(struct switch_dev *dev, int addr,
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int reg, u16 mask, u16 val)
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{
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int i = 100;
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u16 r;
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do {
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r = sr16(dev, addr, reg) & mask;
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if (r == val)
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return 0;
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} while (--i > 0);
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return -ETIMEDOUT;
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}
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static int
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mvsw6171_get_port_mask(struct switch_dev *dev,
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const struct switch_attr *attr, struct switch_val *val)
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{
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struct mvsw6171_state *state = get_state(dev);
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char *buf = state->buf;
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int port, len, i;
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u16 reg;
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port = val->port_vlan;
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reg = sr16(dev, MV_PORTREG(VLANMAP, port)) & MV_PORTS_MASK;
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len = sprintf(buf, "0x%04x: ", reg);
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for (i = 0; i < MV_PORTS; i++) {
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if (reg & (1 << i))
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len += sprintf(buf + len, "%d ", i);
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else if (i == port)
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len += sprintf(buf + len, "(%d) ", i);
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}
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val->value.s = buf;
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return 0;
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}
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static int
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mvsw6171_get_port_qmode(struct switch_dev *dev,
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const struct switch_attr *attr, struct switch_val *val)
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{
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struct mvsw6171_state *state = get_state(dev);
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val->value.i = state->ports[val->port_vlan].qmode;
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return 0;
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}
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static int
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mvsw6171_set_port_qmode(struct switch_dev *dev,
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const struct switch_attr *attr, struct switch_val *val)
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{
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struct mvsw6171_state *state = get_state(dev);
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state->ports[val->port_vlan].qmode = val->value.i;
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return 0;
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}
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static int
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mvsw6171_get_pvid(struct switch_dev *dev, int port, int *val)
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{
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struct mvsw6171_state *state = get_state(dev);
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*val = state->ports[port].pvid;
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return 0;
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}
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static int
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mvsw6171_set_pvid(struct switch_dev *dev, int port, int val)
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{
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struct mvsw6171_state *state = get_state(dev);
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if (val < 0 || val >= MV_VLANS)
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return -EINVAL;
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state->ports[port].pvid = (u16)val;
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return 0;
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}
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static int
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mvsw6171_get_port_status(struct switch_dev *dev,
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const struct switch_attr *attr, struct switch_val *val)
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{
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struct mvsw6171_state *state = get_state(dev);
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char *buf = state->buf;
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u16 status, speed;
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int len;
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status = sr16(dev, MV_PORTREG(STATUS, val->port_vlan));
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speed = (status & MV_PORT_STATUS_SPEED_MASK) >>
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MV_PORT_STATUS_SPEED_SHIFT;
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len = sprintf(buf, "link: ");
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if (status & MV_PORT_STATUS_LINK) {
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len += sprintf(buf + len, "up, speed: ");
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switch (speed) {
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case MV_PORT_STATUS_SPEED_10:
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len += sprintf(buf + len, "10");
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break;
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case MV_PORT_STATUS_SPEED_100:
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len += sprintf(buf + len, "100");
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break;
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case MV_PORT_STATUS_SPEED_1000:
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len += sprintf(buf + len, "1000");
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break;
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}
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len += sprintf(buf + len, " Mbps, duplex: ");
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if (status & MV_PORT_STATUS_FDX)
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len += sprintf(buf + len, "full");
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else
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len += sprintf(buf + len, "half");
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} else {
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len += sprintf(buf + len, "down");
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}
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val->value.s = buf;
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return 0;
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}
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static int
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mvsw6171_get_port_speed(struct switch_dev *dev,
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const struct switch_attr *attr, struct switch_val *val)
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{
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u16 status, speed;
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status = sr16(dev, MV_PORTREG(STATUS, val->port_vlan));
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speed = (status & MV_PORT_STATUS_SPEED_MASK) >>
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MV_PORT_STATUS_SPEED_SHIFT;
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val->value.i = 0;
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if (status & MV_PORT_STATUS_LINK) {
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switch (speed) {
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case MV_PORT_STATUS_SPEED_10:
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val->value.i = 10;
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break;
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case MV_PORT_STATUS_SPEED_100:
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val->value.i = 100;
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break;
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case MV_PORT_STATUS_SPEED_1000:
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val->value.i = 1000;
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break;
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}
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}
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return 0;
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}
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static int mvsw6171_get_vlan_ports(struct switch_dev *dev,
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struct switch_val *val)
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{
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struct mvsw6171_state *state = get_state(dev);
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int i, j, mode, vno;
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vno = val->port_vlan;
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if (vno <= 0 || vno >= dev->vlans)
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return -EINVAL;
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for (i = 0, j = 0; i < dev->ports; i++) {
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if (state->vlans[vno].mask & (1 << i)) {
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val->value.ports[j].id = i;
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mode = (state->vlans[vno].port_mode >> (i * 4)) & 0xf;
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if (mode == MV_VTUCTL_EGRESS_TAGGED)
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val->value.ports[j].flags =
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(1 << SWITCH_PORT_FLAG_TAGGED);
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else
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val->value.ports[j].flags = 0;
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j++;
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}
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}
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val->len = j;
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return 0;
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}
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static int mvsw6171_set_vlan_ports(struct switch_dev *dev,
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struct switch_val *val)
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{
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struct mvsw6171_state *state = get_state(dev);
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int i, mode, pno, vno;
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vno = val->port_vlan;
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if (vno <= 0 || vno >= dev->vlans)
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return -EINVAL;
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state->vlans[vno].mask = 0;
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state->vlans[vno].port_mode = 0;
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if(state->vlans[vno].vid == 0)
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state->vlans[vno].vid = vno;
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for (i = 0; i < val->len; i++) {
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pno = val->value.ports[i].id;
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state->vlans[vno].mask |= (1 << pno);
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if (val->value.ports[i].flags &
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(1 << SWITCH_PORT_FLAG_TAGGED))
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mode = MV_VTUCTL_EGRESS_TAGGED;
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else
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mode = MV_VTUCTL_EGRESS_UNTAGGED;
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state->vlans[vno].port_mode |= mode << (pno * 4);
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}
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/*
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* DISCARD is nonzero, so it must be explicitly
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* set on ports not in the VLAN.
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*/
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for (i = 0; i < dev->ports; i++)
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if (!(state->vlans[vno].mask & (1 << i)))
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state->vlans[vno].port_mode |=
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MV_VTUCTL_DISCARD << (i * 4);
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return 0;
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}
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static int mvsw6171_get_vlan_port_based(struct switch_dev *dev,
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const struct switch_attr *attr, struct switch_val *val)
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{
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struct mvsw6171_state *state = get_state(dev);
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int vno = val->port_vlan;
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if (vno <= 0 || vno >= dev->vlans)
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return -EINVAL;
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if (state->vlans[vno].port_based)
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val->value.i = 1;
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else
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val->value.i = 0;
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return 0;
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}
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static int mvsw6171_set_vlan_port_based(struct switch_dev *dev,
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const struct switch_attr *attr, struct switch_val *val)
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{
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struct mvsw6171_state *state = get_state(dev);
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int vno = val->port_vlan;
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if (vno <= 0 || vno >= dev->vlans)
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return -EINVAL;
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if (val->value.i == 1)
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state->vlans[vno].port_based = true;
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else
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state->vlans[vno].port_based = false;
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return 0;
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}
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static int mvsw6171_get_vid(struct switch_dev *dev,
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const struct switch_attr *attr, struct switch_val *val)
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{
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struct mvsw6171_state *state = get_state(dev);
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int vno = val->port_vlan;
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if (vno <= 0 || vno >= dev->vlans)
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return -EINVAL;
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val->value.i = state->vlans[vno].vid;
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return 0;
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}
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static int mvsw6171_set_vid(struct switch_dev *dev,
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const struct switch_attr *attr, struct switch_val *val)
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{
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struct mvsw6171_state *state = get_state(dev);
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int vno = val->port_vlan;
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if (vno <= 0 || vno >= dev->vlans)
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return -EINVAL;
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state->vlans[vno].vid = val->value.i;
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return 0;
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}
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static int mvsw6171_get_enable_vlan(struct switch_dev *dev,
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const struct switch_attr *attr, struct switch_val *val)
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{
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struct mvsw6171_state *state = get_state(dev);
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val->value.i = state->vlan_enabled;
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return 0;
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}
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static int mvsw6171_set_enable_vlan(struct switch_dev *dev,
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const struct switch_attr *attr, struct switch_val *val)
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{
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struct mvsw6171_state *state = get_state(dev);
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state->vlan_enabled = val->value.i;
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return 0;
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}
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static int mvsw6171_vtu_program(struct switch_dev *dev)
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{
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struct mvsw6171_state *state = get_state(dev);
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u16 v1, v2;
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int i;
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/* Flush */
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mvsw6171_wait_mask_s(dev, MV_GLOBALREG(VTU_OP),
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MV_VTUOP_INPROGRESS, 0);
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sw16(dev, MV_GLOBALREG(VTU_OP),
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MV_VTUOP_INPROGRESS | MV_VTUOP_VALID);
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/* Write VLAN table */
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for (i = 1; i < dev->vlans; i++) {
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if (state->vlans[i].mask == 0 ||
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state->vlans[i].vid == 0 ||
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state->vlans[i].port_based == true)
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continue;
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mvsw6171_wait_mask_s(dev, MV_GLOBALREG(VTU_OP),
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MV_VTUOP_INPROGRESS, 0);
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sw16(dev, MV_GLOBALREG(VTU_VID),
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MV_VTUOP_VALID | state->vlans[i].vid);
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|
||||
v1 = (u16)(state->vlans[i].port_mode & 0xffff);
|
||||
v2 = (u16)((state->vlans[i].port_mode >> 16) & 0xffff);
|
||||
|
||||
sw16(dev, MV_GLOBALREG(VTU_DATA1), v1);
|
||||
sw16(dev, MV_GLOBALREG(VTU_DATA2), v2);
|
||||
|
||||
sw16(dev, MV_GLOBALREG(VTU_OP),
|
||||
MV_VTUOP_INPROGRESS | MV_VTUOP_LOAD);
|
||||
mvsw6171_wait_mask_s(dev, MV_GLOBALREG(VTU_OP),
|
||||
MV_VTUOP_INPROGRESS, 0);
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void mvsw6171_vlan_port_config(struct switch_dev *dev, int vno)
|
||||
{
|
||||
struct mvsw6171_state *state = get_state(dev);
|
||||
int i, mode;
|
||||
|
||||
for (i = 0; i < dev->ports; i++) {
|
||||
if (!(state->vlans[vno].mask & (1 << i)))
|
||||
continue;
|
||||
|
||||
mode = (state->vlans[vno].port_mode >> (i * 4)) & 0xf;
|
||||
|
||||
if(mode != MV_VTUCTL_EGRESS_TAGGED)
|
||||
state->ports[i].pvid = state->vlans[vno].vid;
|
||||
|
||||
if (state->vlans[vno].port_based)
|
||||
state->ports[i].mask |= state->vlans[vno].mask;
|
||||
else
|
||||
state->ports[i].qmode = MV_8021Q_MODE_SECURE;
|
||||
}
|
||||
}
|
||||
|
||||
static int mvsw6171_update_state(struct switch_dev *dev)
|
||||
{
|
||||
struct mvsw6171_state *state = get_state(dev);
|
||||
int i;
|
||||
u16 reg;
|
||||
|
||||
if (!state->registered)
|
||||
return -EINVAL;
|
||||
|
||||
mvsw6171_vtu_program(dev);
|
||||
|
||||
/*
|
||||
* Set 802.1q-only mode if vlan_enabled is true.
|
||||
*
|
||||
* Without this, even if 802.1q is enabled for
|
||||
* a port/VLAN, it still depends on the port-based
|
||||
* VLAN mask being set.
|
||||
*
|
||||
* With this setting, port-based VLANs are still
|
||||
* functional, provided the VID is not in the VTU.
|
||||
*/
|
||||
reg = sr16(dev, MV_GLOBAL2REG(SDET_POLARITY));
|
||||
|
||||
if (state->vlan_enabled)
|
||||
reg |= MV_8021Q_VLAN_ONLY;
|
||||
else
|
||||
reg &= ~MV_8021Q_VLAN_ONLY;
|
||||
|
||||
sw16(dev, MV_GLOBAL2REG(SDET_POLARITY), reg);
|
||||
|
||||
/*
|
||||
* Set port-based VLAN masks on each port
|
||||
* based only on VLAN definitions known to
|
||||
* the driver (i.e. in state).
|
||||
*
|
||||
* This means any pre-existing port mapping is
|
||||
* wiped out once our driver is initialized.
|
||||
*/
|
||||
for (i = 0; i < dev->ports; i++) {
|
||||
state->ports[i].mask = 0;
|
||||
state->ports[i].qmode = MV_8021Q_MODE_DISABLE;
|
||||
}
|
||||
|
||||
for (i = 0; i < dev->vlans; i++)
|
||||
mvsw6171_vlan_port_config(dev, i);
|
||||
|
||||
for (i = 0; i < dev->ports; i++) {
|
||||
reg = sr16(dev, MV_PORTREG(VLANID, i)) & ~MV_PVID_MASK;
|
||||
reg |= state->ports[i].pvid;
|
||||
sw16(dev, MV_PORTREG(VLANID, i), reg);
|
||||
|
||||
state->ports[i].mask &= ~(1 << i);
|
||||
|
||||
reg = sr16(dev, MV_PORTREG(VLANMAP, i)) & ~MV_PORTS_MASK;
|
||||
reg |= state->ports[i].mask;
|
||||
sw16(dev, MV_PORTREG(VLANMAP, i), reg);
|
||||
|
||||
reg = sr16(dev, MV_PORTREG(CONTROL2, i)) &
|
||||
~MV_8021Q_MODE_MASK;
|
||||
reg |= state->ports[i].qmode << MV_8021Q_MODE_SHIFT;
|
||||
sw16(dev, MV_PORTREG(CONTROL2, i), reg);
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int mvsw6171_apply(struct switch_dev *dev)
|
||||
{
|
||||
return mvsw6171_update_state(dev);
|
||||
}
|
||||
|
||||
static int mvsw6171_reset(struct switch_dev *dev)
|
||||
{
|
||||
struct mvsw6171_state *state = get_state(dev);
|
||||
int i;
|
||||
u16 reg;
|
||||
|
||||
/* Disable all ports before reset */
|
||||
for (i = 0; i < dev->ports; i++) {
|
||||
reg = sr16(dev, MV_PORTREG(CONTROL, i)) &
|
||||
~MV_PORTCTRL_ENABLED;
|
||||
sw16(dev, MV_PORTREG(CONTROL, i), reg);
|
||||
}
|
||||
|
||||
reg = sr16(dev, MV_GLOBALREG(CONTROL)) | MV_CONTROL_RESET;
|
||||
|
||||
sw16(dev, MV_GLOBALREG(CONTROL), reg);
|
||||
if (mvsw6171_wait_mask_s(dev, MV_GLOBALREG(CONTROL),
|
||||
MV_CONTROL_RESET, 0) < 0)
|
||||
return -ETIMEDOUT;
|
||||
|
||||
for (i = 0; i < dev->ports; i++) {
|
||||
state->ports[i].qmode = 0;
|
||||
state->ports[i].mask = 0;
|
||||
state->ports[i].pvid = 0;
|
||||
|
||||
/* Force flow control off */
|
||||
reg = sr16(dev, MV_PORTREG(FORCE, i)) & ~MV_FORCE_FC_MASK;
|
||||
reg |= MV_FORCE_FC_DISABLE;
|
||||
sw16(dev, MV_PORTREG(FORCE, i), reg);
|
||||
|
||||
/* Set port association vector */
|
||||
sw16(dev, MV_PORTREG(ASSOC, i), (1 << i));
|
||||
}
|
||||
|
||||
for (i = 0; i < dev->vlans; i++) {
|
||||
state->vlans[i].port_based = false;
|
||||
state->vlans[i].mask = 0;
|
||||
state->vlans[i].vid = 0;
|
||||
state->vlans[i].port_mode = 0;
|
||||
}
|
||||
|
||||
state->vlan_enabled = 0;
|
||||
|
||||
mvsw6171_update_state(dev);
|
||||
|
||||
/* Re-enable ports */
|
||||
for (i = 0; i < dev->ports; i++) {
|
||||
reg = sr16(dev, MV_PORTREG(CONTROL, i)) |
|
||||
MV_PORTCTRL_ENABLED;
|
||||
sw16(dev, MV_PORTREG(CONTROL, i), reg);
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
enum {
|
||||
MVSW6171_ENABLE_VLAN,
|
||||
};
|
||||
|
||||
enum {
|
||||
MVSW6171_VLAN_PORT_BASED,
|
||||
MVSW6171_VLAN_ID,
|
||||
};
|
||||
|
||||
enum {
|
||||
MVSW6171_PORT_MASK,
|
||||
MVSW6171_PORT_QMODE,
|
||||
MVSW6171_PORT_STATUS,
|
||||
MVSW6171_PORT_LINK,
|
||||
};
|
||||
|
||||
static const struct switch_attr mvsw6171_global[] = {
|
||||
[MVSW6171_ENABLE_VLAN] = {
|
||||
.id = MVSW6171_ENABLE_VLAN,
|
||||
.type = SWITCH_TYPE_INT,
|
||||
.name = "enable_vlan",
|
||||
.description = "Enable 802.1q VLAN support",
|
||||
.get = mvsw6171_get_enable_vlan,
|
||||
.set = mvsw6171_set_enable_vlan,
|
||||
},
|
||||
};
|
||||
|
||||
static const struct switch_attr mvsw6171_vlan[] = {
|
||||
[MVSW6171_VLAN_PORT_BASED] = {
|
||||
.id = MVSW6171_VLAN_PORT_BASED,
|
||||
.type = SWITCH_TYPE_INT,
|
||||
.name = "port_based",
|
||||
.description = "Use port-based (non-802.1q) VLAN only",
|
||||
.get = mvsw6171_get_vlan_port_based,
|
||||
.set = mvsw6171_set_vlan_port_based,
|
||||
},
|
||||
[MVSW6171_VLAN_ID] = {
|
||||
.id = MVSW6171_VLAN_ID,
|
||||
.type = SWITCH_TYPE_INT,
|
||||
.name = "vid",
|
||||
.description = "Get/set VLAN ID",
|
||||
.get = mvsw6171_get_vid,
|
||||
.set = mvsw6171_set_vid,
|
||||
},
|
||||
};
|
||||
|
||||
static const struct switch_attr mvsw6171_port[] = {
|
||||
[MVSW6171_PORT_MASK] = {
|
||||
.id = MVSW6171_PORT_MASK,
|
||||
.type = SWITCH_TYPE_STRING,
|
||||
.description = "Port-based VLAN mask",
|
||||
.name = "mask",
|
||||
.get = mvsw6171_get_port_mask,
|
||||
.set = NULL,
|
||||
},
|
||||
[MVSW6171_PORT_QMODE] = {
|
||||
.id = MVSW6171_PORT_QMODE,
|
||||
.type = SWITCH_TYPE_INT,
|
||||
.description = "802.1q mode: 0=off/1=fallback/2=check/3=secure",
|
||||
.name = "qmode",
|
||||
.get = mvsw6171_get_port_qmode,
|
||||
.set = mvsw6171_set_port_qmode,
|
||||
},
|
||||
[MVSW6171_PORT_STATUS] = {
|
||||
.id = MVSW6171_PORT_STATUS,
|
||||
.type = SWITCH_TYPE_STRING,
|
||||
.description = "Return port status",
|
||||
.name = "status",
|
||||
.get = mvsw6171_get_port_status,
|
||||
.set = NULL,
|
||||
},
|
||||
[MVSW6171_PORT_LINK] = {
|
||||
.id = MVSW6171_PORT_LINK,
|
||||
.type = SWITCH_TYPE_INT,
|
||||
.description = "Get link speed",
|
||||
.name = "link",
|
||||
.get = mvsw6171_get_port_speed,
|
||||
.set = NULL,
|
||||
},
|
||||
};
|
||||
|
||||
static const struct switch_dev_ops mvsw6171_ops = {
|
||||
.attr_global = {
|
||||
.attr = mvsw6171_global,
|
||||
.n_attr = ARRAY_SIZE(mvsw6171_global),
|
||||
},
|
||||
.attr_vlan = {
|
||||
.attr = mvsw6171_vlan,
|
||||
.n_attr = ARRAY_SIZE(mvsw6171_vlan),
|
||||
},
|
||||
.attr_port = {
|
||||
.attr = mvsw6171_port,
|
||||
.n_attr = ARRAY_SIZE(mvsw6171_port),
|
||||
},
|
||||
.get_port_pvid = mvsw6171_get_pvid,
|
||||
.set_port_pvid = mvsw6171_set_pvid,
|
||||
.get_vlan_ports = mvsw6171_get_vlan_ports,
|
||||
.set_vlan_ports = mvsw6171_set_vlan_ports,
|
||||
.apply_config = mvsw6171_apply,
|
||||
.reset_switch = mvsw6171_reset,
|
||||
};
|
||||
|
||||
/* end swconfig stuff */
|
||||
|
||||
static int mvsw6171_probe(struct platform_device *pdev)
|
||||
{
|
||||
struct mvsw6171_state *state;
|
||||
struct device_node *np = pdev->dev.of_node;
|
||||
struct device_node *mdio;
|
||||
u32 val;
|
||||
u16 reg;
|
||||
int err;
|
||||
|
||||
state = kzalloc(sizeof(*state), GFP_KERNEL);
|
||||
if (!state)
|
||||
return -ENOMEM;
|
||||
|
||||
mdio = of_parse_phandle(np, "mii-bus", 0);
|
||||
if (!mdio) {
|
||||
dev_err(&pdev->dev, "Couldn't get MII bus handle\n");
|
||||
err = -ENODEV;
|
||||
goto out_err;
|
||||
}
|
||||
|
||||
state->bus = of_mdio_find_bus(mdio);
|
||||
if (!state->bus) {
|
||||
dev_err(&pdev->dev, "Couldn't find MII bus from handle\n");
|
||||
err = -ENODEV;
|
||||
goto out_err;
|
||||
}
|
||||
|
||||
state->is_indirect = of_property_read_bool(np, "is-indirect");
|
||||
|
||||
if (state->is_indirect) {
|
||||
if (of_property_read_u32(np, "reg", &val)) {
|
||||
dev_err(&pdev->dev, "Switch address not specified\n");
|
||||
err = -ENODEV;
|
||||
goto out_err;
|
||||
}
|
||||
|
||||
state->base_addr = val;
|
||||
} else {
|
||||
state->base_addr = MV_BASE;
|
||||
}
|
||||
|
||||
reg = r16(state->bus, state->is_indirect, state->base_addr,
|
||||
MV_PORTREG(IDENT, 0)) & MV_IDENT_MASK;
|
||||
if (reg != MV_IDENT_VALUE) {
|
||||
dev_err(&pdev->dev, "No switch found at 0x%02x\n",
|
||||
state->base_addr);
|
||||
err = -ENODEV;
|
||||
goto out_err;
|
||||
}
|
||||
|
||||
platform_set_drvdata(pdev, state);
|
||||
dev_info(&pdev->dev, "Found %s at %s:%02x\n", MV_IDENT_STR,
|
||||
state->bus->id, state->base_addr);
|
||||
|
||||
dev_info(&pdev->dev, "Using %sdirect addressing\n",
|
||||
(state->is_indirect ? "in" : ""));
|
||||
|
||||
if (of_property_read_u32(np, "cpu-port-0", &val)) {
|
||||
dev_err(&pdev->dev, "CPU port not set\n");
|
||||
err = -ENODEV;
|
||||
goto out_err;
|
||||
}
|
||||
|
||||
state->cpu_port0 = val;
|
||||
|
||||
if (!of_property_read_u32(np, "cpu-port-1", &val))
|
||||
state->cpu_port1 = val;
|
||||
else
|
||||
state->cpu_port1 = -1;
|
||||
|
||||
state->dev.vlans = MV_VLANS;
|
||||
state->dev.cpu_port = state->cpu_port0;
|
||||
state->dev.ports = MV_PORTS;
|
||||
state->dev.name = MV_IDENT_STR;
|
||||
state->dev.ops = &mvsw6171_ops;
|
||||
state->dev.alias = dev_name(&pdev->dev);
|
||||
|
||||
err = register_switch(&state->dev, NULL);
|
||||
if (err < 0)
|
||||
goto out_err;
|
||||
|
||||
state->registered = true;
|
||||
|
||||
return 0;
|
||||
out_err:
|
||||
kfree(state);
|
||||
return err;
|
||||
}
|
||||
|
||||
static int
|
||||
mvsw6171_remove(struct platform_device *pdev)
|
||||
{
|
||||
struct mvsw6171_state *state = platform_get_drvdata(pdev);
|
||||
|
||||
if (state->registered)
|
||||
unregister_switch(&state->dev);
|
||||
|
||||
kfree(state);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static const struct of_device_id mvsw6171_match[] = {
|
||||
{ .compatible = "marvell,88e6171" },
|
||||
{ }
|
||||
};
|
||||
MODULE_DEVICE_TABLE(of, mvsw6171_match);
|
||||
|
||||
static struct platform_driver mvsw6171_driver = {
|
||||
.probe = mvsw6171_probe,
|
||||
.remove = mvsw6171_remove,
|
||||
.driver = {
|
||||
.name = "mvsw6171",
|
||||
.of_match_table = of_match_ptr(mvsw6171_match),
|
||||
.owner = THIS_MODULE,
|
||||
},
|
||||
};
|
||||
|
||||
static int __init mvsw6171_module_init(void)
|
||||
{
|
||||
return platform_driver_register(&mvsw6171_driver);
|
||||
}
|
||||
late_initcall(mvsw6171_module_init);
|
||||
|
||||
static void __exit mvsw6171_module_exit(void)
|
||||
{
|
||||
platform_driver_unregister(&mvsw6171_driver);
|
||||
}
|
||||
module_exit(mvsw6171_module_exit);
|
||||
|
|
@ -0,0 +1,230 @@
|
|||
/*
|
||||
* Marvell 88E6171 switch driver
|
||||
*
|
||||
* Copyright (c) 2014 Claudio Leite <leitec@staticky.com>
|
||||
*
|
||||
* Based on code (c) 2008 Felix Fietkau <nbd@openwrt.org>
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify it
|
||||
* under the terms of the GNU General Public License v2 as published by the
|
||||
* Free Software Foundation
|
||||
*/
|
||||
|
||||
#ifndef __MVSW6171_H
|
||||
#define __MVSW6171_H
|
||||
|
||||
#define MV_PORTS 7
|
||||
#define MV_PORTS_MASK ((1 << MV_PORTS) - 1)
|
||||
|
||||
#define MV_CPUPORT 6
|
||||
|
||||
#define MV_BASE 0x10
|
||||
|
||||
#define MV_SWITCHPORT_BASE 0x10
|
||||
#define MV_SWITCHPORT(_n) (MV_SWITCHPORT_BASE + (_n))
|
||||
#define MV_SWITCHREGS (MV_BASE + 0xb)
|
||||
|
||||
#define MV_VLANS 64
|
||||
|
||||
enum {
|
||||
MV_PORT_STATUS = 0x00,
|
||||
MV_PORT_FORCE = 0x01,
|
||||
MV_PORT_PAUSE = 0x02,
|
||||
MV_PORT_IDENT = 0x03,
|
||||
MV_PORT_CONTROL = 0x04,
|
||||
MV_PORT_CONTROL1 = 0x05,
|
||||
MV_PORT_VLANMAP = 0x06,
|
||||
MV_PORT_VLANID = 0x07,
|
||||
MV_PORT_CONTROL2 = 0x08,
|
||||
MV_PORT_ASSOC = 0x0b,
|
||||
MV_PORT_RXCOUNT = 0x10,
|
||||
MV_PORT_TXCOUNT = 0x11,
|
||||
};
|
||||
#define MV_PORTREG(_type, _port) MV_SWITCHPORT(_port), MV_PORT_##_type
|
||||
|
||||
enum {
|
||||
MV_PORT_STATUS_FDX = (1 << 10),
|
||||
MV_PORT_STATUS_LINK = (1 << 11),
|
||||
};
|
||||
|
||||
enum {
|
||||
MV_PORT_STATUS_SPEED_10 = 0x00,
|
||||
MV_PORT_STATUS_SPEED_100 = 0x01,
|
||||
MV_PORT_STATUS_SPEED_1000 = 0x02,
|
||||
};
|
||||
#define MV_PORT_STATUS_SPEED_SHIFT 8
|
||||
#define MV_PORT_STATUS_SPEED_MASK (3 << 8)
|
||||
|
||||
enum {
|
||||
MV_PORTCTRL_BLOCK = (1 << 0),
|
||||
MV_PORTCTRL_LEARN = (2 << 0),
|
||||
MV_PORTCTRL_ENABLED = (3 << 0),
|
||||
MV_PORTCTRL_VLANTUN = (1 << 7),
|
||||
MV_PORTCTRL_EGRESS = (1 << 12),
|
||||
};
|
||||
|
||||
#define MV_FORCE_FC_MASK (3 << 6)
|
||||
|
||||
enum {
|
||||
MV_FORCE_FC_ENABLE = (3 << 6),
|
||||
MV_FORCE_FC_DISABLE = (1 << 6),
|
||||
};
|
||||
|
||||
enum {
|
||||
MV_8021Q_EGRESS_UNMODIFIED = 0x00,
|
||||
MV_8021Q_EGRESS_UNTAGGED = 0x01,
|
||||
MV_8021Q_EGRESS_TAGGED = 0x02,
|
||||
MV_8021Q_EGRESS_ADDTAG = 0x03,
|
||||
};
|
||||
|
||||
#define MV_8021Q_MODE_SHIFT 10
|
||||
#define MV_8021Q_MODE_MASK (0x3 << MV_8021Q_MODE_SHIFT)
|
||||
|
||||
enum {
|
||||
MV_8021Q_MODE_DISABLE = 0x00,
|
||||
MV_8021Q_MODE_FALLBACK = 0x01,
|
||||
MV_8021Q_MODE_CHECK = 0x02,
|
||||
MV_8021Q_MODE_SECURE = 0x03,
|
||||
};
|
||||
|
||||
#define MV_PORTASSOC_MONITOR (1 << 15)
|
||||
|
||||
enum {
|
||||
MV_SWITCH_MAC0 = 0x01,
|
||||
MV_SWITCH_MAC1 = 0x02,
|
||||
MV_SWITCH_MAC2 = 0x03,
|
||||
MV_SWITCH_CTRL = 0x04,
|
||||
MV_SWITCH_ATU_CTRL = 0x0a,
|
||||
MV_SWITCH_ATU_OP = 0x0b,
|
||||
MV_SWITCH_ATU_DATA = 0x0c,
|
||||
MV_SWITCH_ATU_MAC0 = 0x0d,
|
||||
MV_SWITCH_ATU_MAC1 = 0x0e,
|
||||
MV_SWITCH_ATU_MAC2 = 0x0f,
|
||||
MV_SWITCH_GLOBAL = 0x1b,
|
||||
MV_SWITCH_GLOBAL2 = 0x1c,
|
||||
};
|
||||
#define MV_SWITCHREG(_type) MV_SWITCHREGS, MV_SWITCH_##_type
|
||||
|
||||
enum {
|
||||
MV_SWITCHCTL_EEIE = (1 << 0),
|
||||
MV_SWITCHCTL_PHYIE = (1 << 1),
|
||||
MV_SWITCHCTL_ATUDONE = (1 << 2),
|
||||
MV_SWITCHCTL_ATUIE = (1 << 3),
|
||||
MV_SWITCHCTL_CTRMODE = (1 << 8),
|
||||
MV_SWITCHCTL_RELOAD = (1 << 9),
|
||||
MV_SWITCHCTL_MSIZE = (1 << 10),
|
||||
MV_SWITCHCTL_DROP = (1 << 13),
|
||||
};
|
||||
|
||||
enum {
|
||||
#define MV_ATUCTL_AGETIME_MIN 16
|
||||
#define MV_ATUCTL_AGETIME_MAX 4080
|
||||
#define MV_ATUCTL_AGETIME(_n) ((((_n) / 16) & 0xff) << 4)
|
||||
MV_ATUCTL_ATU_256 = (0 << 12),
|
||||
MV_ATUCTL_ATU_512 = (1 << 12),
|
||||
MV_ATUCTL_ATU_1K = (2 << 12),
|
||||
MV_ATUCTL_ATUMASK = (3 << 12),
|
||||
MV_ATUCTL_NO_LEARN = (1 << 14),
|
||||
MV_ATUCTL_RESET = (1 << 15),
|
||||
};
|
||||
|
||||
enum {
|
||||
#define MV_ATUOP_DBNUM(_n) ((_n) & 0x0f)
|
||||
MV_ATUOP_NOOP = (0 << 12),
|
||||
MV_ATUOP_FLUSH_ALL = (1 << 12),
|
||||
MV_ATUOP_FLUSH_U = (2 << 12),
|
||||
MV_ATUOP_LOAD_DB = (3 << 12),
|
||||
MV_ATUOP_GET_NEXT = (4 << 12),
|
||||
MV_ATUOP_FLUSH_DB = (5 << 12),
|
||||
MV_ATUOP_FLUSH_DB_UU = (6 << 12),
|
||||
MV_ATUOP_INPROGRESS = (1 << 15),
|
||||
};
|
||||
|
||||
enum {
|
||||
MV_GLOBAL_STATUS = 0x00,
|
||||
MV_GLOBAL_CONTROL = 0x04,
|
||||
MV_GLOBAL_VTU_OP = 0x05,
|
||||
MV_GLOBAL_VTU_VID = 0x06,
|
||||
MV_GLOBAL_VTU_DATA1 = 0x07,
|
||||
MV_GLOBAL_VTU_DATA2 = 0x08,
|
||||
MV_GLOBAL_VTU_DATA3 = 0x09,
|
||||
};
|
||||
#define MV_GLOBALREG(_type) MV_SWITCH_GLOBAL, MV_GLOBAL_##_type
|
||||
|
||||
enum {
|
||||
MV_GLOBAL2_SDET_POLARITY = 0x1D,
|
||||
};
|
||||
#define MV_GLOBAL2REG(_type) MV_SWITCH_GLOBAL2, MV_GLOBAL2_##_type
|
||||
|
||||
enum {
|
||||
MV_VTUOP_VALID = (1 << 12),
|
||||
MV_VTUOP_LOAD = (3 << 12),
|
||||
MV_VTUOP_INPROGRESS = (1 << 15),
|
||||
};
|
||||
|
||||
enum {
|
||||
MV_CONTROL_RESET = (1 << 15),
|
||||
MV_CONTROL_PPU_ENABLE = (1 << 14),
|
||||
};
|
||||
|
||||
enum {
|
||||
MV_VTUCTL_EGRESS_UNMODIFIED = 0x00,
|
||||
MV_VTUCTL_EGRESS_UNTAGGED = 0x01,
|
||||
MV_VTUCTL_EGRESS_TAGGED = 0x02,
|
||||
MV_VTUCTL_DISCARD = 0x03,
|
||||
};
|
||||
|
||||
enum {
|
||||
MV_8021Q_VLAN_ONLY = (1 << 15),
|
||||
};
|
||||
|
||||
enum {
|
||||
MV_INDIRECT_REG_CMD = 0,
|
||||
MV_INDIRECT_REG_DATA = 1,
|
||||
};
|
||||
|
||||
enum {
|
||||
MV_INDIRECT_INPROGRESS = 0x8000,
|
||||
MV_INDIRECT_WRITE = 0x9400,
|
||||
MV_INDIRECT_READ = 0x9800,
|
||||
};
|
||||
#define MV_INDIRECT_ADDR_S 5
|
||||
|
||||
#define MV_IDENT_MASK 0xffc0
|
||||
#define MV_IDENT_VALUE 0x1700
|
||||
#define MV_IDENT_STR "MV88E6171"
|
||||
|
||||
#define MV_PVID_MASK 0x0fff
|
||||
|
||||
struct mvsw6171_state {
|
||||
struct switch_dev dev;
|
||||
struct mii_bus *bus;
|
||||
int base_addr;
|
||||
|
||||
bool registered;
|
||||
bool is_indirect;
|
||||
|
||||
int cpu_port0;
|
||||
int cpu_port1;
|
||||
|
||||
int vlan_enabled;
|
||||
struct port_state {
|
||||
u16 pvid;
|
||||
u16 mask;
|
||||
u8 qmode;
|
||||
} ports[MV_PORTS];
|
||||
|
||||
struct vlan_state {
|
||||
bool port_based;
|
||||
|
||||
u16 mask;
|
||||
u16 vid;
|
||||
u32 port_mode;
|
||||
} vlans[MV_VLANS];
|
||||
|
||||
char buf[128];
|
||||
};
|
||||
|
||||
#define get_state(_dev) container_of((_dev), struct mvsw6171_state, dev)
|
||||
|
||||
#endif
|
||||
|
|
@ -0,0 +1,23 @@
|
|||
--- a/drivers/net/phy/Kconfig
|
||||
+++ b/drivers/net/phy/Kconfig
|
||||
@@ -131,6 +131,10 @@ config MVSWITCH_PHY
|
||||
tristate "Driver for Marvell 88E6060 switches"
|
||||
select ETHERNET_PACKET_MANGLE
|
||||
|
||||
+config MVSW6171_PHY
|
||||
+ tristate "Driver for Marvell 88E6171 switches"
|
||||
+ select SWCONFIG
|
||||
+
|
||||
config IP17XX_PHY
|
||||
tristate "Driver for IC+ IP17xx switches"
|
||||
select SWCONFIG
|
||||
--- a/drivers/net/phy/Makefile
|
||||
+++ b/drivers/net/phy/Makefile
|
||||
@@ -19,6 +19,7 @@ obj-$(CONFIG_BCM87XX_PHY) += bcm87xx.o
|
||||
obj-$(CONFIG_ICPLUS_PHY) += icplus.o
|
||||
obj-$(CONFIG_ADM6996_PHY) += adm6996.o
|
||||
obj-$(CONFIG_MVSWITCH_PHY) += mvswitch.o
|
||||
+obj-$(CONFIG_MVSW6171_PHY) += mvsw6171.o
|
||||
obj-$(CONFIG_IP17XX_PHY) += ip17xx.o
|
||||
obj-$(CONFIG_REALTEK_PHY) += realtek.o
|
||||
obj-$(CONFIG_AR8216_PHY) += ar8216.o
|
||||
|
|
@ -0,0 +1,23 @@
|
|||
--- a/drivers/net/phy/Kconfig
|
||||
+++ b/drivers/net/phy/Kconfig
|
||||
@@ -143,6 +143,10 @@ config MVSWITCH_PHY
|
||||
tristate "Driver for Marvell 88E6060 switches"
|
||||
select ETHERNET_PACKET_MANGLE
|
||||
|
||||
+config MVSW6171_PHY
|
||||
+ tristate "Driver for Marvell 88E6171 switches"
|
||||
+ select SWCONFIG
|
||||
+
|
||||
config IP17XX_PHY
|
||||
tristate "Driver for IC+ IP17xx switches"
|
||||
select SWCONFIG
|
||||
--- a/drivers/net/phy/Makefile
|
||||
+++ b/drivers/net/phy/Makefile
|
||||
@@ -20,6 +20,7 @@ obj-$(CONFIG_BCM87XX_PHY) += bcm87xx.o
|
||||
obj-$(CONFIG_ICPLUS_PHY) += icplus.o
|
||||
obj-$(CONFIG_ADM6996_PHY) += adm6996.o
|
||||
obj-$(CONFIG_MVSWITCH_PHY) += mvswitch.o
|
||||
+obj-$(CONFIG_MVSW6171_PHY) += mvsw6171.o
|
||||
obj-$(CONFIG_IP17XX_PHY) += ip17xx.o
|
||||
obj-$(CONFIG_REALTEK_PHY) += realtek.o
|
||||
obj-$(CONFIG_AR8216_PHY) += ar8216.o
|
||||
Loading…
Reference in New Issue