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Bring in a basic ethernet switch driver for the IP17x series of

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switches.

These are notably found on some AR71xx based Mikrotik boards.

Submitted by:	Luiz Otavio O Souza <loos.br@gmail.com>
Reviewed by:	ray
This commit is contained in:
Adrian Chadd 2013-05-08 20:58:41 +00:00
parent a858494b9d
commit 248dd6039d
12 changed files with 1655 additions and 0 deletions
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5
sys/conf/files
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@ -1331,6 +1331,11 @@ dev/etherswitch/arswitch/arswitch_8316.c optional arswitch
dev/etherswitch/arswitch/arswitch_7240.c optional arswitch
dev/etherswitch/etherswitch.c optional etherswitch
dev/etherswitch/etherswitch_if.m optional etherswitch
dev/etherswitch/ip17x/ip17x.c optional ip17x
dev/etherswitch/ip17x/ip175c.c optional ip17x
dev/etherswitch/ip17x/ip175d.c optional ip17x
dev/etherswitch/ip17x/ip17x_phy.c optional ip17x
dev/etherswitch/ip17x/ip17x_vlans.c optional ip17x
dev/etherswitch/mdio_if.m optional miiproxy
dev/etherswitch/mdio.c optional miiproxy
dev/etherswitch/miiproxy.c optional miiproxy

249
sys/dev/etherswitch/ip17x/ip175c.c Normal file
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@ -0,0 +1,249 @@
/*-
* Copyright (c) 2013 Luiz Otavio O Souza.
* Copyright (c) 2011-2012 Stefan Bethke.
* Copyright (c) 2012 Adrian Chadd.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#include <sys/param.h>
#include <sys/bus.h>
#include <sys/kernel.h>
#include <sys/lock.h>
#include <sys/mutex.h>
#include <sys/systm.h>
#include <sys/socket.h>
#include <net/if.h>
#include <dev/mii/mii.h>
#include <dev/etherswitch/etherswitch.h>
#include <dev/etherswitch/ip17x/ip17x_phy.h>
#include <dev/etherswitch/ip17x/ip17x_reg.h>
#include <dev/etherswitch/ip17x/ip17x_var.h>
#include <dev/etherswitch/ip17x/ip17x_vlans.h>
#include <dev/etherswitch/ip17x/ip175c.h>
/*
* IP175C specific functions.
*/
/*
* Reset the switch.
*/
static int
ip175c_reset(struct ip17x_softc *sc)
{
uint32_t data;
/* Reset all the switch settings. */
if (ip17x_writephy(sc->sc_dev, IP175C_RESET_PHY, IP175C_RESET_REG,
0x175c))
return (-1);
DELAY(2);
/* Force IP175C mode. */
data = ip17x_readphy(sc->sc_dev, IP175C_MODE_PHY, IP175C_MODE_REG);
if (data == 0x175a) {
if (ip17x_writephy(sc->sc_dev, IP175C_MODE_PHY, IP175C_MODE_REG,
0x175c))
return (-1);
}
return (0);
}
static int
ip175c_port_vlan_setup(struct ip17x_softc *sc)
{
struct ip17x_vlan *v;
uint32_t ports[IP175X_NUM_PORTS], reg[IP175X_NUM_PORTS/2];
int i, err, phy;
KASSERT(sc->cpuport == 5, ("cpuport != 5 not supported for IP175C"));
KASSERT(sc->numports == 6, ("numports != 6 not supported for IP175C"));
/* Build the port access masks. */
memset(ports, 0, sizeof(ports));
for (i = 0; i < sc->info.es_nports; i++) {
phy = sc->portphy[i];
v = &sc->vlan[i];
ports[phy] = v->ports;
}
/* Move the cpuport bit to its correct place. */
for (i = 0; i < sc->numports; i++) {
if (ports[i] & (1 << sc->cpuport)) {
ports[i] |= (1 << 7);
ports[i] &= ~(1 << sc->cpuport);
}
}
/* And now build the switch register data. */
memset(reg, 0, sizeof(reg));
for (i = 0; i < (sc->numports / 2); i++)
reg[i] = ports[i * 2] << 8 | ports[i * 2 + 1];
/* Update the switch resgisters. */
err = ip17x_writephy(sc->sc_dev, 29, 19, reg[0]);
if (err == 0)
err = ip17x_writephy(sc->sc_dev, 29, 20, reg[1]);
if (err == 0)
err = ip17x_updatephy(sc->sc_dev, 29, 21, 0xff00, reg[2]);
if (err == 0)
err = ip17x_updatephy(sc->sc_dev, 30, 18, 0x00ff, reg[2]);
return (err);
}
static int
ip175c_dot1q_vlan_setup(struct ip17x_softc *sc)
{
struct ip17x_vlan *v;
uint32_t data;
uint32_t vlans[IP17X_MAX_VLANS];
int i, j;
KASSERT(sc->cpuport == 5, ("cpuport != 5 not supported for IP175C"));
KASSERT(sc->numports == 6, ("numports != 6 not supported for IP175C"));
/* Add and strip VLAN tags. */
data = (sc->addtag & ~(1 << IP175X_CPU_PORT)) << 11;
data |= (sc->striptag & ~(1 << IP175X_CPU_PORT)) << 6;
if (sc->addtag & (1 << IP175X_CPU_PORT))
data |= (1 << 1);
if (sc->striptag & (1 << IP175X_CPU_PORT))
data |= (1 << 0);
if (ip17x_writephy(sc->sc_dev, 29, 23, data))
return (-1);
/* Set the VID_IDX_SEL to 0. */
if (ip17x_updatephy(sc->sc_dev, 30, 9, 0x70, 0))
return (-1);
/* Calculate the port masks. */
memset(vlans, 0, sizeof(vlans));
for (i = 0; i < IP17X_MAX_VLANS; i++) {
v = &sc->vlan[i];
if (v->vlanid == 0)
continue;
vlans[v->vlanid] = v->ports;
}
for (j = 0, i = 1; i <= IP17X_MAX_VLANS / 2; i++) {
data = vlans[j++] & 0x3f;
data |= (vlans[j++] & 0x3f) << 8;
if (ip17x_writephy(sc->sc_dev, 30, i, data))
return (-1);
}
/* Port default VLAN ID. */
for (i = 0; i < sc->numports; i++) {
if (i == IP175X_CPU_PORT) {
if (ip17x_writephy(sc->sc_dev, 29, 30, sc->pvid[i]))
return (-1);
} else {
if (ip17x_writephy(sc->sc_dev, 29, 24 + i, sc->pvid[i]))
return (-1);
}
}
return (0);
}
/*
* Set the Switch configuration.
*/
static int
ip175c_hw_setup(struct ip17x_softc *sc)
{
switch (sc->vlan_mode) {
case ETHERSWITCH_VLAN_PORT:
return (ip175c_port_vlan_setup(sc));
break;
case ETHERSWITCH_VLAN_DOT1Q:
return (ip175c_dot1q_vlan_setup(sc));
break;
}
return (-1);
}
/*
* Set the switch VLAN mode.
*/
static int
ip175c_set_vlan_mode(struct ip17x_softc *sc, uint32_t mode)
{
switch (mode) {
case ETHERSWITCH_VLAN_DOT1Q:
/* Enable VLAN tag processing. */
ip17x_updatephy(sc->sc_dev, 30, 9, 0x80, 0x80);
sc->vlan_mode = mode;
break;
case ETHERSWITCH_VLAN_PORT:
default:
/* Disable VLAN tag processing. */
ip17x_updatephy(sc->sc_dev, 30, 9, 0x80, 0);
sc->vlan_mode = ETHERSWITCH_VLAN_PORT;
break;
};
/* Reset vlans. */
ip17x_reset_vlans(sc, sc->vlan_mode);
/* Update switch configuration. */
ip175c_hw_setup(sc);
return (0);
}
/*
* Get the switch VLAN mode.
*/
static int
ip175c_get_vlan_mode(struct ip17x_softc *sc)
{
return (sc->vlan_mode);
}
void
ip175c_attach(struct ip17x_softc *sc)
{
sc->hal.ip17x_reset = ip175c_reset;
sc->hal.ip17x_hw_setup = ip175c_hw_setup;
sc->hal.ip17x_get_vlan_mode = ip175c_get_vlan_mode;
sc->hal.ip17x_set_vlan_mode = ip175c_set_vlan_mode;
/* Defaults for IP175C. */
sc->cpuport = IP175X_CPU_PORT;
sc->numports = IP175X_NUM_PORTS;
sc->info.es_vlan_caps = ETHERSWITCH_VLAN_PORT | ETHERSWITCH_VLAN_DOT1Q;
device_printf(sc->sc_dev, "type: IP175C\n");
}

43
sys/dev/etherswitch/ip17x/ip175c.h Normal file
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@ -0,0 +1,43 @@
/*-
* Copyright (c) 2013 Luiz Otavio O Souza.
* Copyright (c) 2011-2012 Stefan Bethke.
* Copyright (c) 2012 Adrian Chadd.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef __IP175C_H__
#define __IP175C_H__
#define IP175C_MODE_PHY 29
#define IP175C_MODE_REG 31
#define IP175C_RESET_PHY 30
#define IP175C_RESET_REG 0
#define IP175C_LAST_VLAN 15
void ip175c_attach(struct ip17x_softc *sc);
#endif /* __IP175C_H__ */

219
sys/dev/etherswitch/ip17x/ip175d.c Normal file
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@ -0,0 +1,219 @@
/*-
* Copyright (c) 2013 Luiz Otavio O Souza.
* Copyright (c) 2011-2012 Stefan Bethke.
* Copyright (c) 2012 Adrian Chadd.
* Copyright (C) 2008 Patrick Horn.
* Copyright (C) 2008, 2010 Martin Mares.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#include <sys/param.h>
#include <sys/bus.h>
#include <sys/kernel.h>
#include <sys/lock.h>
#include <sys/mutex.h>
#include <sys/systm.h>
#include <sys/socket.h>
#include <net/if.h>
#include <dev/mii/mii.h>
#include <dev/etherswitch/etherswitch.h>
#include <dev/etherswitch/ip17x/ip17x_phy.h>
#include <dev/etherswitch/ip17x/ip17x_reg.h>
#include <dev/etherswitch/ip17x/ip17x_var.h>
#include <dev/etherswitch/ip17x/ip17x_vlans.h>
#include <dev/etherswitch/ip17x/ip175d.h>
/*
* IP175D specific functions.
*/
/*
* Reset the switch to default state.
*/
static int
ip175d_reset(struct ip17x_softc *sc)
{
/* Reset all the switch settings. */
ip17x_writephy(sc->sc_dev, IP175D_RESET_PHY, IP175D_RESET_REG, 0x175d);
DELAY(2);
/* Disable the special tagging mode. */
ip17x_updatephy(sc->sc_dev, 21, 22, 0x3, 0x0);
/* Set 802.1q protocol type. */
ip17x_writephy(sc->sc_dev, 22, 3, 0x8100);
return (0);
}
/*
* Set the Switch configuration.
*/
static int
ip175d_hw_setup(struct ip17x_softc *sc)
{
struct ip17x_vlan *v;
uint32_t ports[IP17X_MAX_VLANS];
uint32_t addtag[IP17X_MAX_VLANS];
uint32_t striptag[IP17X_MAX_VLANS];
uint32_t vlan_mask;
int i, j;
vlan_mask = 0;
for (i = 0; i < IP17X_MAX_VLANS; i++) {
ports[i] = 0;
addtag[i] = 0;
striptag[i] = 0;
v = &sc->vlan[i];
if (v->vlanid == 0 || sc->vlan_mode == 0) {
/* Vlangroup disabled. Reset the filter. */
ip17x_writephy(sc->sc_dev, 22, 14 + i, i + 1);
ports[i] = 0x3f;
continue;
}
vlan_mask |= (1 << i);
ports[i] = v->ports;
/* Setup the filter, write the VLAN id. */
ip17x_writephy(sc->sc_dev, 22, 14 + i, v->vlanid);
for (j = 0; j < MII_NPHY; j++) {
if ((ports[i] & (1 << j)) == 0)
continue;
if (sc->addtag & (1 << j))
addtag[i] |= (1 << j);
if (sc->striptag & (1 << j))
striptag[i] |= (1 << j);
}
}
/* Write the port masks, tag adds and removals. */
for (i = 0; i < IP17X_MAX_VLANS / 2; i++) {
ip17x_writephy(sc->sc_dev, 23, i,
ports[2 * i] | (ports[2 * i + 1] << 8));
ip17x_writephy(sc->sc_dev, 23, i + 8,
addtag[2 * i] | (addtag[2 * i + 1] << 8));
ip17x_writephy(sc->sc_dev, 23, i + 16,
striptag[2 * i] | (striptag[2 * i + 1] << 8));
}
/* Write the in use vlan mask. */
ip17x_writephy(sc->sc_dev, 22, 10, vlan_mask);
/* Write the PVID of each port. */
for (i = 0; i < sc->numports; i++)
ip17x_writephy(sc->sc_dev, 22, 4 + i, sc->pvid[i]);
return (0);
}
/*
* Set the switch VLAN mode.
*/
static int
ip175d_set_vlan_mode(struct ip17x_softc *sc, uint32_t mode)
{
switch (mode) {
case ETHERSWITCH_VLAN_DOT1Q:
/*
* VLAN classification rules: tag-based VLANs,
* use VID to classify, drop packets that cannot
* be classified.
*/
ip17x_updatephy(sc->sc_dev, 22, 0, 0x3fff, 0x003f);
sc->vlan_mode = mode;
break;
case ETHERSWITCH_VLAN_PORT:
sc->vlan_mode = mode;
/* fallthrough */
default:
/*
* VLAN classification rules: everything off &
* clear table.
*/
ip17x_updatephy(sc->sc_dev, 22, 0, 0xbfff, 0x8000);
sc->vlan_mode = 0;
break;
};
if (sc->vlan_mode != 0) {
/*
* Ingress rules: CFI=1 dropped, null VID is untagged, VID=1 passed,
* VID=0xfff discarded, admin both tagged and untagged, ingress
* filters enabled.
*/
ip17x_updatephy(sc->sc_dev, 22, 1, 0x0fff, 0x0c3f);
/* Egress rules: IGMP processing off, keep VLAN header off. */
ip17x_updatephy(sc->sc_dev, 22, 2, 0x0fff, 0x0000);
} else {
ip17x_updatephy(sc->sc_dev, 22, 1, 0x0fff, 0x043f);
ip17x_updatephy(sc->sc_dev, 22, 2, 0x0fff, 0x0020);
}
/* Reset vlans. */
ip17x_reset_vlans(sc, sc->vlan_mode);
/* Update switch configuration. */
ip175d_hw_setup(sc);
return (0);
}
/*
* Get the switch VLAN mode.
*/
static int
ip175d_get_vlan_mode(struct ip17x_softc *sc)
{
return (sc->vlan_mode);
}
void
ip175d_attach(struct ip17x_softc *sc)
{
sc->hal.ip17x_reset = ip175d_reset;
sc->hal.ip17x_hw_setup = ip175d_hw_setup;
sc->hal.ip17x_get_vlan_mode = ip175d_get_vlan_mode;
sc->hal.ip17x_set_vlan_mode = ip175d_set_vlan_mode;
/* Defaults for IP175C. */
sc->cpuport = IP175X_CPU_PORT;
sc->numports = IP175X_NUM_PORTS;
sc->info.es_vlan_caps = ETHERSWITCH_VLAN_DOT1Q;
device_printf(sc->sc_dev, "type: IP175D\n");
}

43
sys/dev/etherswitch/ip17x/ip175d.h Normal file
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@ -0,0 +1,43 @@
/*-
* Copyright (c) 2013 Luiz Otavio O Souza.
* Copyright (c) 2011-2012 Stefan Bethke.
* Copyright (c) 2012 Adrian Chadd.
* Copyright (C) 2008 Patrick Horn.
* Copyright (C) 2008, 2010 Martin Mares.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef __IP175D_H__
#define __IP175D_H__
#define IP175D_ID_PHY 20
#define IP175D_ID_REG 0
#define IP175D_RESET_PHY 20
#define IP175D_RESET_REG 2
void ip175d_attach(struct ip17x_softc *sc);
#endif /* __IP175D_H__ */

614
sys/dev/etherswitch/ip17x/ip17x.c Normal file
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@ -0,0 +1,614 @@
/*-
* Copyright (c) 2013 Luiz Otavio O Souza.
* Copyright (c) 2011-2012 Stefan Bethke.
* Copyright (c) 2012 Adrian Chadd.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#include <sys/param.h>
#include <sys/bus.h>
#include <sys/errno.h>
#include <sys/kernel.h>
#include <sys/module.h>
#include <sys/socket.h>
#include <sys/sockio.h>
#include <sys/sysctl.h>
#include <sys/systm.h>
#include <net/if.h>
#include <net/if_arp.h>
#include <net/ethernet.h>
#include <net/if_dl.h>
#include <net/if_media.h>
#include <net/if_types.h>
#include <machine/bus.h>
#include <dev/mii/mii.h>
#include <dev/mii/miivar.h>
#include <dev/etherswitch/mdio.h>
#include <dev/etherswitch/etherswitch.h>
#include <dev/etherswitch/ip17x/ip17x_phy.h>
#include <dev/etherswitch/ip17x/ip17x_reg.h>
#include <dev/etherswitch/ip17x/ip17x_var.h>
#include <dev/etherswitch/ip17x/ip17x_vlans.h>
#include <dev/etherswitch/ip17x/ip175c.h>
#include <dev/etherswitch/ip17x/ip175d.h>
#include "mdio_if.h"
#include "miibus_if.h"
#include "etherswitch_if.h"
MALLOC_DECLARE(M_IP17X);
MALLOC_DEFINE(M_IP17X, "ip17x", "ip17x data structures");
static void ip17x_tick(void *);
static int ip17x_ifmedia_upd(struct ifnet *);
static void ip17x_ifmedia_sts(struct ifnet *, struct ifmediareq *);
static int
ip17x_probe(device_t dev)
{
struct ip17x_softc *sc;
uint32_t oui, model, phy_id1, phy_id2;
sc = device_get_softc(dev);
/* Read ID from PHY 0. */
phy_id1 = MDIO_READREG(device_get_parent(dev), 0, MII_PHYIDR1);
phy_id2 = MDIO_READREG(device_get_parent(dev), 0, MII_PHYIDR2);
oui = MII_OUI(phy_id1, phy_id2),
model = MII_MODEL(phy_id2);
/* We only care about IC+ devices. */
if (oui != IP17X_OUI) {
device_printf(dev,
"Unsupported IC+ switch. Unknown OUI: %#x\n", oui);
return (ENXIO);
}
switch (model) {
case IP17X_IP175A:
sc->sc_switchtype = IP17X_SWITCH_IP175A;
break;
case IP17X_IP175C:
sc->sc_switchtype = IP17X_SWITCH_IP175C;
break;
default:
device_printf(dev, "Unsupported IC+ switch model: %#x\n",
model);
return (ENXIO);
}
/* IP175D has a specific ID register. */
model = MDIO_READREG(device_get_parent(dev), IP175D_ID_PHY,
IP175D_ID_REG);
if (model == 0x175d)
sc->sc_switchtype = IP17X_SWITCH_IP175D;
else {
/* IP178 has more PHYs. Try it. */
model = MDIO_READREG(device_get_parent(dev), 5, MII_PHYIDR1);
if (phy_id1 == model)
sc->sc_switchtype = IP17X_SWITCH_IP178C;
}
device_set_desc_copy(dev, "IC+ IP17x switch driver");
return (BUS_PROBE_DEFAULT);
}
static int
ip17x_attach_phys(struct ip17x_softc *sc)
{
int err, phy, port;
char name[IFNAMSIZ];
port = err = 0;
/* PHYs need an interface, so we generate a dummy one */
snprintf(name, IFNAMSIZ, "%sport", device_get_nameunit(sc->sc_dev));
for (phy = 0; phy < MII_NPHY; phy++) {
if (((1 << phy) & sc->phymask) == 0)
continue;
sc->phyport[phy] = port;
sc->portphy[port] = phy;
sc->ifp[port] = if_alloc(IFT_ETHER);
sc->ifp[port]->if_softc = sc;
sc->ifp[port]->if_flags |= IFF_UP | IFF_BROADCAST |
IFF_DRV_RUNNING | IFF_SIMPLEX;
sc->ifname[port] = malloc(strlen(name)+1, M_IP17X, M_WAITOK);
bcopy(name, sc->ifname[port], strlen(name)+1);
if_initname(sc->ifp[port], sc->ifname[port], port);
sc->miibus[port] = malloc(sizeof(device_t), M_IP17X,
M_WAITOK | M_ZERO);
err = mii_attach(sc->sc_dev, sc->miibus[port], sc->ifp[port],
ip17x_ifmedia_upd, ip17x_ifmedia_sts, \
BMSR_DEFCAPMASK, phy, MII_OFFSET_ANY, 0);
DPRINTF(sc->sc_dev, "%s attached to pseudo interface %s\n",
device_get_nameunit(*sc->miibus[port]),
sc->ifp[port]->if_xname);
if (err != 0) {
device_printf(sc->sc_dev,
"attaching PHY %d failed\n",
phy);
break;
}
sc->info.es_nports = port + 1;
if (++port >= sc->numports)
break;
}
return (err);
}
static int
ip17x_attach(device_t dev)
{
struct ip17x_softc *sc;
int err;
sc = device_get_softc(dev);
sc->sc_dev = dev;
mtx_init(&sc->sc_mtx, "ip17x", NULL, MTX_DEF);
strlcpy(sc->info.es_name, device_get_desc(dev),
sizeof(sc->info.es_name));
/* XXX Defaults */
sc->phymask = 0x0f;
sc->media = 100;
(void) resource_int_value(device_get_name(dev), device_get_unit(dev),
"phymask", &sc->phymask);
/* Number of vlans supported by the switch. */
sc->info.es_nvlangroups = IP17X_MAX_VLANS;
/* Attach the switch related functions. */
if (IP17X_IS_SWITCH(sc, IP175C))
ip175c_attach(sc);
else if (IP17X_IS_SWITCH(sc, IP175D))
ip175d_attach(sc);
else
/* We don't have support to all the models yet :-/ */
return (ENXIO);
/* Always attach the cpu port. */
sc->phymask |= (1 << sc->cpuport);
sc->ifp = malloc(sizeof(struct ifnet *) * sc->numports, M_IP17X,
M_WAITOK | M_ZERO);
sc->pvid = malloc(sizeof(uint32_t) * sc->numports, M_IP17X,
M_WAITOK | M_ZERO);
sc->ifname = malloc(sizeof(char *) * sc->numports, M_IP17X,
M_WAITOK | M_ZERO);
sc->miibus = malloc(sizeof(device_t *) * sc->numports, M_IP17X,
M_WAITOK | M_ZERO);
sc->portphy = malloc(sizeof(int) * sc->numports, M_IP17X,
M_WAITOK | M_ZERO);
/* Initialize the switch. */
sc->hal.ip17x_reset(sc);
/*
* Attach the PHYs and complete the bus enumeration.
*/
err = ip17x_attach_phys(sc);
if (err != 0)
return (err);
/*
* Set the switch to port based vlans or disabled (if not supported
* on this model).
*/
sc->hal.ip17x_set_vlan_mode(sc, ETHERSWITCH_VLAN_PORT);
bus_generic_probe(dev);
bus_enumerate_hinted_children(dev);
err = bus_generic_attach(dev);
if (err != 0)
return (err);
callout_init(&sc->callout_tick, 0);
ip17x_tick(sc);
return (0);
}
static int
ip17x_detach(device_t dev)
{
struct ip17x_softc *sc;
int i, port;
sc = device_get_softc(dev);
callout_drain(&sc->callout_tick);
for (i=0; i < MII_NPHY; i++) {
if (((1 << i) & sc->phymask) == 0)
continue;
port = sc->phyport[i];
if (sc->miibus[port] != NULL)
device_delete_child(dev, (*sc->miibus[port]));
if (sc->ifp[port] != NULL)
if_free(sc->ifp[port]);
free(sc->ifname[port], M_IP17X);
free(sc->miibus[port], M_IP17X);
}
free(sc->portphy, M_IP17X);
free(sc->miibus, M_IP17X);
free(sc->ifname, M_IP17X);
free(sc->pvid, M_IP17X);
free(sc->ifp, M_IP17X);
/* Reset the switch. */
sc->hal.ip17x_reset(sc);
bus_generic_detach(dev);
mtx_destroy(&sc->sc_mtx);
return (0);
}
static inline struct mii_data *
ip17x_miiforport(struct ip17x_softc *sc, int port)
{
if (port < 0 || port > sc->numports)
return (NULL);
return (device_get_softc(*sc->miibus[port]));
}
static inline struct ifnet *
ip17x_ifpforport(struct ip17x_softc *sc, int port)
{
if (port < 0 || port > sc->numports)
return (NULL);
return (sc->ifp[port]);
}
/*
* Poll the status for all PHYs.
*/
static void
ip17x_miipollstat(struct ip17x_softc *sc)
{
struct mii_softc *miisc;
struct mii_data *mii;
int i, port;
IP17X_LOCK_ASSERT(sc, MA_NOTOWNED);
for (i = 0; i < MII_NPHY; i++) {
if (((1 << i) & sc->phymask) == 0)
continue;
port = sc->phyport[i];
if ((*sc->miibus[port]) == NULL)
continue;
mii = device_get_softc(*sc->miibus[port]);
LIST_FOREACH(miisc, &mii->mii_phys, mii_list) {
if (IFM_INST(mii->mii_media.ifm_cur->ifm_media) !=
miisc->mii_inst)
continue;
ukphy_status(miisc);
mii_phy_update(miisc, MII_POLLSTAT);
}
}
}
static void
ip17x_tick(void *arg)
{
struct ip17x_softc *sc;
sc = arg;
ip17x_miipollstat(sc);
callout_reset(&sc->callout_tick, hz, ip17x_tick, sc);
}
static void
ip17x_lock(device_t dev)
{
struct ip17x_softc *sc;
sc = device_get_softc(dev);
IP17X_LOCK_ASSERT(sc, MA_NOTOWNED);
IP17X_LOCK(sc);
}
static void
ip17x_unlock(device_t dev)
{
struct ip17x_softc *sc;
sc = device_get_softc(dev);
IP17X_LOCK_ASSERT(sc, MA_OWNED);
IP17X_UNLOCK(sc);
}
static etherswitch_info_t *
ip17x_getinfo(device_t dev)
{
struct ip17x_softc *sc;
sc = device_get_softc(dev);
return (&sc->info);
}
static int
ip17x_getport(device_t dev, etherswitch_port_t *p)
{
struct ip17x_softc *sc;
struct ifmediareq *ifmr;
struct mii_data *mii;
int err, phy;
sc = device_get_softc(dev);
if (p->es_port < 0 || p->es_port >= sc->numports)
return (ENXIO);
phy = sc->portphy[p->es_port];
/* Retrieve the PVID. */
p->es_pvid = sc->pvid[phy];
/* Port flags. */
if (sc->addtag & (1 << phy))
p->es_flags |= ETHERSWITCH_PORT_ADDTAG;
if (sc->striptag & (1 << phy))
p->es_flags |= ETHERSWITCH_PORT_STRIPTAG;
ifmr = &p->es_ifmr;
/* No media settings ? */
if (p->es_ifmr.ifm_count == 0)
return (0);
mii = ip17x_miiforport(sc, p->es_port);
if (mii == NULL)
return (ENXIO);
if (phy == sc->cpuport) {
/* fill in fixed values for CPU port */
p->es_flags |= ETHERSWITCH_PORT_CPU;
ifmr->ifm_count = 0;
if (sc->media == 100)
ifmr->ifm_current = ifmr->ifm_active =
IFM_ETHER | IFM_100_TX | IFM_FDX;
else
ifmr->ifm_current = ifmr->ifm_active =
IFM_ETHER | IFM_1000_T | IFM_FDX;
ifmr->ifm_mask = 0;
ifmr->ifm_status = IFM_ACTIVE | IFM_AVALID;
} else {
err = ifmedia_ioctl(mii->mii_ifp, &p->es_ifr,
&mii->mii_media, SIOCGIFMEDIA);
if (err)
return (err);
}
return (0);
}
static int
ip17x_setport(device_t dev, etherswitch_port_t *p)
{
struct ip17x_softc *sc;
struct ifmedia *ifm;
struct ifnet *ifp;
struct mii_data *mii;
int phy;
sc = device_get_softc(dev);
if (p->es_port < 0 || p->es_port >= sc->numports)
return (ENXIO);
phy = sc->portphy[p->es_port];
ifp = ip17x_ifpforport(sc, p->es_port);
mii = ip17x_miiforport(sc, p->es_port);
if (ifp == NULL || mii == NULL)
return (ENXIO);
/* Port flags. */
if (sc->vlan_mode == ETHERSWITCH_VLAN_DOT1Q) {
/* Set the PVID. */
if (p->es_pvid != 0) {
if (IP17X_IS_SWITCH(sc, IP175C) &&
p->es_pvid > IP175C_LAST_VLAN)
return (ENXIO);
sc->pvid[phy] = p->es_pvid;
}
/* Mutually exclusive. */
if (p->es_flags & ETHERSWITCH_PORT_ADDTAG &&
p->es_flags & ETHERSWITCH_PORT_STRIPTAG)
return (EINVAL);
/* Reset the settings for this port. */
sc->addtag &= ~(1 << phy);
sc->striptag &= ~(1 << phy);
/* And then set it to the new value. */
if (p->es_flags & ETHERSWITCH_PORT_ADDTAG)
sc->addtag |= (1 << phy);
if (p->es_flags & ETHERSWITCH_PORT_STRIPTAG)
sc->striptag |= (1 << phy);
}
/* Update the switch configuration. */
if (sc->hal.ip17x_hw_setup(sc))
return (ENXIO);
/* Do not allow media changes on CPU port. */
if (phy == sc->cpuport)
return (0);
/* No media settings ? */
if (p->es_ifmr.ifm_count == 0)
return (0);
ifm = &mii->mii_media;
return (ifmedia_ioctl(ifp, &p->es_ifr, ifm, SIOCSIFMEDIA));
}
static void
ip17x_statchg(device_t dev)
{
DPRINTF(dev, "%s\n", __func__);
}
static int
ip17x_ifmedia_upd(struct ifnet *ifp)
{
struct ip17x_softc *sc;
struct mii_data *mii;
DPRINTF(sc->sc_dev, "%s\n", __func__);
sc = ifp->if_softc;
mii = ip17x_miiforport(sc, ifp->if_dunit);
if (mii == NULL)
return (ENXIO);
mii_mediachg(mii);
return (0);
}
static void
ip17x_ifmedia_sts(struct ifnet *ifp, struct ifmediareq *ifmr)
{
struct ip17x_softc *sc;
struct mii_data *mii;
DPRINTF(sc->sc_dev, "%s\n", __func__);
sc = ifp->if_softc;
mii = ip17x_miiforport(sc, ifp->if_dunit);
if (mii == NULL)
return;
mii_pollstat(mii);
ifmr->ifm_active = mii->mii_media_active;
ifmr->ifm_status = mii->mii_media_status;
}
static int
ip17x_readreg(device_t dev, int addr)
{
struct ip17x_softc *sc;
sc = device_get_softc(dev);
IP17X_LOCK_ASSERT(sc, MA_OWNED);
/* Not supported. */
return (0);
}
static int
ip17x_writereg(device_t dev, int addr, int value)
{
struct ip17x_softc *sc;
sc = device_get_softc(dev);
IP17X_LOCK_ASSERT(sc, MA_OWNED);
/* Not supported. */
return (0);
}
static int
ip17x_getconf(device_t dev, etherswitch_conf_t *conf)
{
struct ip17x_softc *sc;
sc = device_get_softc(dev);
/* Return the VLAN mode. */
conf->cmd = ETHERSWITCH_CONF_VLAN_MODE;
conf->vlan_mode = sc->hal.ip17x_get_vlan_mode(sc);
return (0);
}
static int
ip17x_setconf(device_t dev, etherswitch_conf_t *conf)
{
struct ip17x_softc *sc;
sc = device_get_softc(dev);
/* Set the VLAN mode. */
if (conf->cmd & ETHERSWITCH_CONF_VLAN_MODE)
sc->hal.ip17x_set_vlan_mode(sc, conf->vlan_mode);
return (0);
}
static device_method_t ip17x_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, ip17x_probe),
DEVMETHOD(device_attach, ip17x_attach),
DEVMETHOD(device_detach, ip17x_detach),
/* bus interface */
DEVMETHOD(bus_add_child, device_add_child_ordered),
/* MII interface */
DEVMETHOD(miibus_readreg, ip17x_readphy),
DEVMETHOD(miibus_writereg, ip17x_writephy),
DEVMETHOD(miibus_statchg, ip17x_statchg),
/* MDIO interface */
DEVMETHOD(mdio_readreg, ip17x_readphy),
DEVMETHOD(mdio_writereg, ip17x_writephy),
/* etherswitch interface */
DEVMETHOD(etherswitch_lock, ip17x_lock),
DEVMETHOD(etherswitch_unlock, ip17x_unlock),
DEVMETHOD(etherswitch_getinfo, ip17x_getinfo),
DEVMETHOD(etherswitch_readreg, ip17x_readreg),
DEVMETHOD(etherswitch_writereg, ip17x_writereg),
DEVMETHOD(etherswitch_readphyreg, ip17x_readphy),
DEVMETHOD(etherswitch_writephyreg, ip17x_writephy),
DEVMETHOD(etherswitch_getport, ip17x_getport),
DEVMETHOD(etherswitch_setport, ip17x_setport),
DEVMETHOD(etherswitch_getvgroup, ip17x_getvgroup),
DEVMETHOD(etherswitch_setvgroup, ip17x_setvgroup),
DEVMETHOD(etherswitch_getconf, ip17x_getconf),
DEVMETHOD(etherswitch_setconf, ip17x_setconf),
DEVMETHOD_END
};
DEFINE_CLASS_0(ip17x, ip17x_driver, ip17x_methods,
sizeof(struct ip17x_softc));
static devclass_t ip17x_devclass;
DRIVER_MODULE(ip17x, mdio, ip17x_driver, ip17x_devclass, 0, 0);
DRIVER_MODULE(miibus, ip17x, miibus_driver, miibus_devclass, 0, 0);
DRIVER_MODULE(mdio, ip17x, mdio_driver, mdio_devclass, 0, 0);
DRIVER_MODULE(etherswitch, ip17x, etherswitch_driver, etherswitch_devclass, 0, 0);
MODULE_VERSION(ip17x, 1);
MODULE_DEPEND(ip17x, miibus, 1, 1, 1); /* XXX which versions? */
MODULE_DEPEND(ip17x, etherswitch, 1, 1, 1); /* XXX which versions? */

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/*-
* Copyright (c) 2013 Luiz Otavio O Souza.
* Copyright (c) 2011-2012 Stefan Bethke.
* Copyright (c) 2012 Adrian Chadd.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#include <sys/param.h>
#include <sys/bus.h>
#include <sys/errno.h>
#include <sys/kernel.h>
#include <sys/systm.h>
#include <sys/socket.h>
#include <net/if.h>
#include <dev/mii/mii.h>
#include <dev/etherswitch/etherswitch.h>
#include <dev/etherswitch/ip17x/ip17x_phy.h>
#include <dev/etherswitch/ip17x/ip17x_reg.h>
#include <dev/etherswitch/ip17x/ip17x_var.h>
#include "mdio_if.h"
#include "miibus_if.h"
#include "etherswitch_if.h"
int
ip17x_readphy(device_t dev, int phy, int reg)
{
struct ip17x_softc *sc;
int data;
sc = device_get_softc(dev);
IP17X_LOCK_ASSERT(sc, MA_NOTOWNED);
if (phy < 0 || phy >= 32)
return (ENXIO);
if (reg < 0 || reg >= 32)
return (ENXIO);
IP17X_LOCK(sc);
data = MDIO_READREG(device_get_parent(dev), phy, reg);
IP17X_UNLOCK(sc);
return (data);
}
int
ip17x_writephy(device_t dev, int phy, int reg, int data)
{
struct ip17x_softc *sc;
int err;
sc = device_get_softc(dev);
IP17X_LOCK_ASSERT(sc, MA_NOTOWNED);
if (phy < 0 || phy >= 32)
return (ENXIO);
if (reg < 0 || reg >= 32)
return (ENXIO);
IP17X_LOCK(sc);
err = MDIO_WRITEREG(device_get_parent(dev), phy, reg, data);
IP17X_UNLOCK(sc);
return (err);
}
int
ip17x_updatephy(device_t dev, int phy, int reg, int mask, int value)
{
int val;
val = ip17x_readphy(dev, phy, reg);
val &= ~mask;
val |= value;
return (ip17x_writephy(dev, phy, reg, val));
}

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/*-
* Copyright (c) 2013 Luiz Otavio O Souza.
* Copyright (c) 2011-2012 Stefan Bethke.
* Copyright (c) 2012 Adrian Chadd.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef __IP17X_PHY_H__
#define __IP17X_PHY_H__
int ip17x_readphy(device_t, int, int);
int ip17x_writephy(device_t, int, int, int);
int ip17x_updatephy(device_t, int, int, int, int);
#endif /* __IP17X_PHY_H__ */

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/*-
* Copyright (c) 2013 Luiz Otavio O Souza.
* Copyright (c) 2011-2012 Stefan Bethke.
* Copyright (c) 2012 Adrian Chadd.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef __IP17X_REG_H__
#define __IP17X_REG_H__
/* IP175X */
#define IP17X_OUI 0x9c3
#define IP17X_IP175A 0x05
#define IP17X_IP175C 0x18
#define IP17X_MAX_VLANS 16
#define IP175X_CPU_PORT 5
#define IP175X_NUM_PORTS 6
#endif /* __IP17X_REG_H__ */

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/*-
* Copyright (c) 2013 Luiz Otavio O Souza.
* Copyright (c) 2011-2012 Stefan Bethke.
* Copyright (c) 2012 Adrian Chadd.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef __IP17X_VAR_H__
#define __IP17X_VAR_H__
typedef enum {
IP17X_SWITCH_NONE,
IP17X_SWITCH_IP175A,
IP17X_SWITCH_IP175C,
IP17X_SWITCH_IP175D,
IP17X_SWITCH_IP178C,
} ip17x_switch_type;
struct ip17x_vlan {
uint32_t ports;
int vlanid;
};
struct ip17x_softc {
device_t sc_dev;
int media; /* cpu port media */
int cpuport; /* which PHY is connected to the CPU */
int phymask; /* PHYs we manage */
int phyport[MII_NPHY];
int numports; /* number of ports */
int *portphy;
char **ifname;
device_t **miibus;
etherswitch_info_t info;
ip17x_switch_type sc_switchtype;
struct callout callout_tick;
struct ifnet **ifp;
struct mtx sc_mtx; /* serialize access to softc */
struct ip17x_vlan vlan[IP17X_MAX_VLANS];
uint32_t *pvid; /* PVID */
uint32_t addtag; /* per port add tag flag */
uint32_t striptag; /* per port strip tag flag */
uint32_t vlan_mode; /* VLAN mode */
struct {
int (* ip17x_reset) (struct ip17x_softc *);
int (* ip17x_hw_setup) (struct ip17x_softc *);
int (* ip17x_get_vlan_mode) (struct ip17x_softc *);
int (* ip17x_set_vlan_mode) (struct ip17x_softc *, uint32_t);
} hal;
};
#define IP17X_IS_SWITCH(_sc, _type) \
(!!((_sc)->sc_switchtype == IP17X_SWITCH_ ## _type))
#define IP17X_LOCK(_sc) \
mtx_lock(&(_sc)->sc_mtx)
#define IP17X_UNLOCK(_sc) \
mtx_unlock(&(_sc)->sc_mtx)
#define IP17X_LOCK_ASSERT(_sc, _what) \
mtx_assert(&(_sc)->sc_mtx, (_what))
#define IP17X_TRYLOCK(_sc) \
mtx_trylock(&(_sc)->sc_mtx)
#if defined(DEBUG)
#define DPRINTF(dev, args...) device_printf(dev, args)
#else
#define DPRINTF(dev, args...)
#endif
#endif /* __IP17X_VAR_H__ */

167
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/*-
* Copyright (c) 2013 Luiz Otavio O Souza.
* Copyright (c) 2011-2012 Stefan Bethke.
* Copyright (c) 2012 Adrian Chadd.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#include <sys/param.h>
#include <sys/bus.h>
#include <sys/errno.h>
#include <sys/kernel.h>
#include <sys/systm.h>
#include <sys/socket.h>
#include <net/if.h>
#include <dev/mii/mii.h>
#include <dev/etherswitch/etherswitch.h>
#include <dev/etherswitch/ip17x/ip17x_phy.h>
#include <dev/etherswitch/ip17x/ip17x_reg.h>
#include <dev/etherswitch/ip17x/ip17x_var.h>
#include <dev/etherswitch/ip17x/ip17x_vlans.h>
#include <dev/etherswitch/ip17x/ip175c.h>
#include "mdio_if.h"
#include "miibus_if.h"
#include "etherswitch_if.h"
/*
* Reset vlans to default state.
*/
int
ip17x_reset_vlans(struct ip17x_softc *sc, uint32_t vlan_mode)
{
struct ip17x_vlan *v;
int i, j, phy;
/* Do not add or strip vlan tags on any port. */
sc->addtag = 0;
sc->striptag = 0;
/* Reset all vlan data. */
memset(sc->vlan, 0, sizeof(sc->vlan));
memset(sc->pvid, 0, sizeof(uint32_t) * sc->numports);
if (vlan_mode == ETHERSWITCH_VLAN_PORT) {
/* Initialize port based vlans. */
for (i = 0, phy = 0; phy < MII_NPHY; phy++) {
if (((1 << phy) & sc->phymask) == 0)
continue;
v = &sc->vlan[i];
v->vlanid = i++;
v->ports = (1 << sc->cpuport);
for (j = 0; j < MII_NPHY; j++) {
if (((1 << j) & sc->phymask) == 0)
continue;
v->ports |= (1 << j);
}
}
} else if (vlan_mode == ETHERSWITCH_VLAN_DOT1Q) {
/*
* Setup vlan 1 as PVID for all switch ports. Add all ports as
* members of vlan 1.
*/
v = &sc->vlan[0];
v->vlanid = 1;
/* Set PVID for everyone. */
for (i = 0; i < sc->numports; i++)
sc->pvid[i] = v->vlanid;
for (i = 0; i < MII_NPHY; i++) {
if ((sc->phymask & (1 << i)) == 0)
continue;
v->ports |= (1 << i);
}
}
return (0);
}
int
ip17x_getvgroup(device_t dev, etherswitch_vlangroup_t *vg)
{
struct ip17x_softc *sc;
uint32_t port;
int i;
sc = device_get_softc(dev);
/* Vlan ID. */
vg->es_vid = sc->vlan[vg->es_vlangroup].vlanid;
/* Member Ports. */
vg->es_member_ports = 0;
for (i = 0; i < MII_NPHY; i++) {
if ((sc->phymask & (1 << i)) == 0)
continue;
if ((sc->vlan[vg->es_vlangroup].ports & (1 << i)) == 0)
continue;
port = sc->phyport[i];
vg->es_member_ports |= (1 << port);
}
/* Not supported. */
vg->es_untagged_ports = vg->es_member_ports;
vg->es_fid = 0;
return (0);
}
int
ip17x_setvgroup(device_t dev, etherswitch_vlangroup_t *vg)
{
struct ip17x_softc *sc;
uint32_t phy;
int i;
sc = device_get_softc(dev);
/* Check VLAN mode. */
if (sc->vlan_mode == 0)
return (EINVAL);
/* IP175C don't support VLAN IDs > 15. */
if (IP17X_IS_SWITCH(sc, IP175C) && vg->es_vid > IP175C_LAST_VLAN)
return (EINVAL);
/* Vlan ID. */
sc->vlan[vg->es_vlangroup].vlanid = vg->es_vid;
/* Member Ports. */
sc->vlan[vg->es_vlangroup].ports = 0;
for (i = 0; i < sc->numports; i++) {
if ((vg->es_member_ports & (1 << i)) == 0)
continue;
phy = sc->portphy[i];
sc->vlan[vg->es_vlangroup].ports |= (1 << phy);
}
return (sc->hal.ip17x_hw_setup(sc));
}

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/*-
* Copyright (c) 2013 Luiz Otavio O Souza.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef __IP17X_VLANS_H__
#define __IP17X_VLANS_H__
int ip17x_reset_vlans(struct ip17x_softc *, uint32_t);
int ip17x_getvgroup(device_t, etherswitch_vlangroup_t *);
int ip17x_setvgroup(device_t, etherswitch_vlangroup_t *);
#endif /* __IP17X_VLANS_H__ */