Author: adrian
Date: Wed May  8 20:58:41 2013
New Revision: 250386
URL: http://svnweb.freebsd.org/changeset/base/250386

Log:
  Bring in a basic ethernet switch driver for the IP17x series of
  switches.
  
  These are notably found on some AR71xx based Mikrotik boards.
  
  Submitted by: Luiz Otavio O Souza <loos...@gmail.com>
  Reviewed by:  ray

Added:
  head/sys/dev/etherswitch/ip17x/
  head/sys/dev/etherswitch/ip17x/ip175c.c   (contents, props changed)
  head/sys/dev/etherswitch/ip17x/ip175c.h   (contents, props changed)
  head/sys/dev/etherswitch/ip17x/ip175d.c   (contents, props changed)
  head/sys/dev/etherswitch/ip17x/ip175d.h   (contents, props changed)
  head/sys/dev/etherswitch/ip17x/ip17x.c   (contents, props changed)
  head/sys/dev/etherswitch/ip17x/ip17x_phy.c   (contents, props changed)
  head/sys/dev/etherswitch/ip17x/ip17x_phy.h   (contents, props changed)
  head/sys/dev/etherswitch/ip17x/ip17x_reg.h   (contents, props changed)
  head/sys/dev/etherswitch/ip17x/ip17x_var.h   (contents, props changed)
  head/sys/dev/etherswitch/ip17x/ip17x_vlans.c   (contents, props changed)
  head/sys/dev/etherswitch/ip17x/ip17x_vlans.h   (contents, props changed)
Modified:
  head/sys/conf/files

Modified: head/sys/conf/files
==============================================================================
--- head/sys/conf/files Wed May  8 20:57:37 2013        (r250385)
+++ head/sys/conf/files Wed May  8 20:58:41 2013        (r250386)
@@ -1331,6 +1331,11 @@ dev/etherswitch/arswitch/arswitch_8316.c
 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

Added: head/sys/dev/etherswitch/ip17x/ip175c.c
==============================================================================
--- /dev/null   00:00:00 1970   (empty, because file is newly added)
+++ head/sys/dev/etherswitch/ip17x/ip175c.c     Wed May  8 20:58:41 2013        
(r250386)
@@ -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");
+}

Added: head/sys/dev/etherswitch/ip17x/ip175c.h
==============================================================================
--- /dev/null   00:00:00 1970   (empty, because file is newly added)
+++ head/sys/dev/etherswitch/ip17x/ip175c.h     Wed May  8 20:58:41 2013        
(r250386)
@@ -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__ */

Added: head/sys/dev/etherswitch/ip17x/ip175d.c
==============================================================================
--- /dev/null   00:00:00 1970   (empty, because file is newly added)
+++ head/sys/dev/etherswitch/ip17x/ip175d.c     Wed May  8 20:58:41 2013        
(r250386)
@@ -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");
+}

Added: head/sys/dev/etherswitch/ip17x/ip175d.h
==============================================================================
--- /dev/null   00:00:00 1970   (empty, because file is newly added)
+++ head/sys/dev/etherswitch/ip17x/ip175d.h     Wed May  8 20:58:41 2013        
(r250386)
@@ -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__ */

Added: head/sys/dev/etherswitch/ip17x/ip17x.c
==============================================================================
--- /dev/null   00:00:00 1970   (empty, because file is newly added)
+++ head/sys/dev/etherswitch/ip17x/ip17x.c      Wed May  8 20:58:41 2013        
(r250386)
@@ -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)
+{

*** DIFF OUTPUT TRUNCATED AT 1000 LINES ***
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