ip17x_vlans.c revision 253569
1/*- 2 * Copyright (c) 2013 Luiz Otavio O Souza. 3 * Copyright (c) 2011-2012 Stefan Bethke. 4 * Copyright (c) 2012 Adrian Chadd. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 * 28 * $FreeBSD: head/sys/dev/etherswitch/ip17x/ip17x_vlans.c 253569 2013-07-23 13:56:38Z loos $ 29 */ 30 31#include <sys/param.h> 32#include <sys/bus.h> 33#include <sys/errno.h> 34#include <sys/kernel.h> 35#include <sys/systm.h> 36#include <sys/socket.h> 37 38#include <net/if.h> 39 40#include <dev/mii/mii.h> 41 42#include <dev/etherswitch/etherswitch.h> 43#include <dev/etherswitch/ip17x/ip17x_phy.h> 44#include <dev/etherswitch/ip17x/ip17x_reg.h> 45#include <dev/etherswitch/ip17x/ip17x_var.h> 46#include <dev/etherswitch/ip17x/ip17x_vlans.h> 47#include <dev/etherswitch/ip17x/ip175c.h> 48 49#include "mdio_if.h" 50#include "miibus_if.h" 51#include "etherswitch_if.h" 52 53/* 54 * Reset vlans to default state. 55 */ 56int 57ip17x_reset_vlans(struct ip17x_softc *sc, uint32_t vlan_mode) 58{ 59 struct ip17x_vlan *v; 60 int i, j, phy; 61 62 /* Do not add or strip vlan tags on any port. */ 63 sc->addtag = 0; 64 sc->striptag = 0; 65 66 /* Reset all vlan data. */ 67 memset(sc->vlan, 0, sizeof(sc->vlan)); 68 memset(sc->pvid, 0, sizeof(uint32_t) * sc->numports); 69 70 if (vlan_mode == ETHERSWITCH_VLAN_PORT) { 71 72 /* Initialize port based vlans. */ 73 for (i = 0, phy = 0; phy < MII_NPHY; phy++) { 74 if (((1 << phy) & sc->phymask) == 0) 75 continue; 76 v = &sc->vlan[i]; 77 v->vlanid = i++ | ETHERSWITCH_VID_VALID; 78 v->ports = (1 << sc->cpuport); 79 for (j = 0; j < MII_NPHY; j++) { 80 if (((1 << j) & sc->phymask) == 0) 81 continue; 82 v->ports |= (1 << j); 83 } 84 } 85 86 } else if (vlan_mode == ETHERSWITCH_VLAN_DOT1Q) { 87 88 /* 89 * Setup vlan 1 as PVID for all switch ports. Add all ports as 90 * members of vlan 1. 91 */ 92 v = &sc->vlan[0]; 93 v->vlanid = 1 | ETHERSWITCH_VID_VALID; 94 /* Set PVID to 1 for everyone. */ 95 for (i = 0; i < sc->numports; i++) 96 sc->pvid[i] = 1; 97 for (i = 0; i < MII_NPHY; i++) { 98 if ((sc->phymask & (1 << i)) == 0) 99 continue; 100 v->ports |= (1 << i); 101 } 102 } 103 104 return (0); 105} 106 107int 108ip17x_getvgroup(device_t dev, etherswitch_vlangroup_t *vg) 109{ 110 struct ip17x_softc *sc; 111 uint32_t port; 112 int i; 113 114 sc = device_get_softc(dev); 115 116 /* Vlan ID. */ 117 vg->es_vid = sc->vlan[vg->es_vlangroup].vlanid; 118 119 /* Member Ports. */ 120 vg->es_member_ports = 0; 121 for (i = 0; i < MII_NPHY; i++) { 122 if ((sc->phymask & (1 << i)) == 0) 123 continue; 124 if ((sc->vlan[vg->es_vlangroup].ports & (1 << i)) == 0) 125 continue; 126 port = sc->phyport[i]; 127 vg->es_member_ports |= (1 << port); 128 } 129 130 /* Not supported. */ 131 vg->es_untagged_ports = vg->es_member_ports; 132 vg->es_fid = 0; 133 134 return (0); 135} 136 137int 138ip17x_setvgroup(device_t dev, etherswitch_vlangroup_t *vg) 139{ 140 struct ip17x_softc *sc; 141 uint32_t phy; 142 int i; 143 144 sc = device_get_softc(dev); 145 146 /* Check VLAN mode. */ 147 if (sc->vlan_mode == 0) 148 return (EINVAL); 149 150 /* IP175C don't support VLAN IDs > 15. */ 151 if (IP17X_IS_SWITCH(sc, IP175C) && 152 (vg->es_vid & ETHERSWITCH_VID_MASK) > IP175C_LAST_VLAN) 153 return (EINVAL); 154 155 /* Vlan ID. */ 156 if (sc->vlan_mode == ETHERSWITCH_VLAN_DOT1Q) { 157 for (i = 0; i < sc->info.es_nvlangroups; i++) { 158 /* Is this Vlan ID already set in another vlangroup ? */ 159 if (i != vg->es_vlangroup && 160 sc->vlan[i].vlanid & ETHERSWITCH_VID_VALID && 161 (sc->vlan[i].vlanid & ETHERSWITCH_VID_MASK) == 162 (vg->es_vid & ETHERSWITCH_VID_MASK)) 163 return (EINVAL); 164 } 165 sc->vlan[vg->es_vlangroup].vlanid = vg->es_vid & 166 ETHERSWITCH_VID_MASK; 167 /* Setting the vlanid to zero disables the vlangroup. */ 168 if (sc->vlan[vg->es_vlangroup].vlanid == 0) { 169 sc->vlan[vg->es_vlangroup].ports = 0; 170 return (sc->hal.ip17x_hw_setup(sc)); 171 } 172 sc->vlan[vg->es_vlangroup].vlanid |= ETHERSWITCH_VID_VALID; 173 } 174 175 /* Member Ports. */ 176 sc->vlan[vg->es_vlangroup].ports = 0; 177 for (i = 0; i < sc->numports; i++) { 178 if ((vg->es_member_ports & (1 << i)) == 0) 179 continue; 180 phy = sc->portphy[i]; 181 sc->vlan[vg->es_vlangroup].ports |= (1 << phy); 182 } 183 184 return (sc->hal.ip17x_hw_setup(sc)); 185} 186