1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2013 Luiz Otavio O Souza. 5 * Copyright (c) 2011-2012 Stefan Bethke. 6 * Copyright (c) 2012 Adrian Chadd. 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 * 30 * $FreeBSD$ 31 */ 32 33 #include <sys/param.h> 34 #include <sys/bus.h> 35 #include <sys/errno.h> 36 #include <sys/kernel.h> 37 #include <sys/lock.h> 38 #include <sys/mutex.h> 39 #include <sys/systm.h> 40 #include <sys/socket.h> 41 42 #include <net/if.h> 43 44 #include <dev/mii/mii.h> 45 46 #include <dev/etherswitch/etherswitch.h> 47 #include <dev/etherswitch/ip17x/ip17x_phy.h> 48 #include <dev/etherswitch/ip17x/ip17x_reg.h> 49 #include <dev/etherswitch/ip17x/ip17x_var.h> 50 #include <dev/etherswitch/ip17x/ip17x_vlans.h> 51 #include <dev/etherswitch/ip17x/ip175c.h> 52 53 #include "mdio_if.h" 54 #include "miibus_if.h" 55 #include "etherswitch_if.h" 56 57 /* 58 * Reset vlans to default state. 59 */ 60 int 61 ip17x_reset_vlans(struct ip17x_softc *sc, uint32_t vlan_mode) 62 { 63 struct ip17x_vlan *v; 64 int i, j, phy; 65 66 /* Do not add or strip vlan tags on any port. */ 67 sc->addtag = 0; 68 sc->striptag = 0; 69 70 /* Reset all vlan data. */ 71 memset(sc->vlan, 0, sizeof(sc->vlan)); 72 memset(sc->pvid, 0, sizeof(uint32_t) * sc->numports); 73 74 if (vlan_mode == ETHERSWITCH_VLAN_PORT) { 75 76 /* Initialize port based vlans. */ 77 for (i = 0, phy = 0; phy < MII_NPHY; phy++) { 78 if (((1 << phy) & sc->phymask) == 0) 79 continue; 80 v = &sc->vlan[i]; 81 v->vlanid = i++ | ETHERSWITCH_VID_VALID; 82 v->ports = (1 << sc->cpuport); 83 for (j = 0; j < MII_NPHY; j++) { 84 if (((1 << j) & sc->phymask) == 0) 85 continue; 86 v->ports |= (1 << j); 87 } 88 } 89 90 } else if (vlan_mode == ETHERSWITCH_VLAN_DOT1Q) { 91 92 /* 93 * Setup vlan 1 as PVID for all switch ports. Add all ports as 94 * members of vlan 1. 95 */ 96 v = &sc->vlan[0]; 97 v->vlanid = 1 | ETHERSWITCH_VID_VALID; 98 /* Set PVID to 1 for everyone. */ 99 for (i = 0; i < sc->numports; i++) 100 sc->pvid[i] = 1; 101 for (i = 0; i < MII_NPHY; i++) { 102 if ((sc->phymask & (1 << i)) == 0) 103 continue; 104 v->ports |= (1 << i); 105 } 106 } 107 108 return (0); 109 } 110 111 int 112 ip17x_getvgroup(device_t dev, etherswitch_vlangroup_t *vg) 113 { 114 struct ip17x_softc *sc; 115 uint32_t port; 116 int i; 117 118 sc = device_get_softc(dev); 119 120 /* Vlan ID. */ 121 vg->es_vid = sc->vlan[vg->es_vlangroup].vlanid; 122 123 /* Member Ports. */ 124 vg->es_member_ports = 0; 125 for (i = 0; i < MII_NPHY; i++) { 126 if ((sc->phymask & (1 << i)) == 0) 127 continue; 128 if ((sc->vlan[vg->es_vlangroup].ports & (1 << i)) == 0) 129 continue; 130 port = sc->phyport[i]; 131 vg->es_member_ports |= (1 << port); 132 } 133 134 /* Not supported. */ 135 vg->es_untagged_ports = vg->es_member_ports; 136 vg->es_fid = 0; 137 138 return (0); 139 } 140 141 int 142 ip17x_setvgroup(device_t dev, etherswitch_vlangroup_t *vg) 143 { 144 struct ip17x_softc *sc; 145 uint32_t phy; 146 int i; 147 148 sc = device_get_softc(dev); 149 150 /* Check VLAN mode. */ 151 if (sc->vlan_mode == 0) 152 return (EINVAL); 153 154 /* IP175C don't support VLAN IDs > 15. */ 155 if (IP17X_IS_SWITCH(sc, IP175C) && 156 (vg->es_vid & ETHERSWITCH_VID_MASK) > IP175C_LAST_VLAN) 157 return (EINVAL); 158 159 /* Vlan ID. */ 160 if (sc->vlan_mode == ETHERSWITCH_VLAN_DOT1Q) { 161 for (i = 0; i < sc->info.es_nvlangroups; i++) { 162 /* Is this Vlan ID already set in another vlangroup ? */ 163 if (i != vg->es_vlangroup && 164 sc->vlan[i].vlanid & ETHERSWITCH_VID_VALID && 165 (sc->vlan[i].vlanid & ETHERSWITCH_VID_MASK) == 166 (vg->es_vid & ETHERSWITCH_VID_MASK)) 167 return (EINVAL); 168 } 169 sc->vlan[vg->es_vlangroup].vlanid = vg->es_vid & 170 ETHERSWITCH_VID_MASK; 171 /* Setting the vlanid to zero disables the vlangroup. */ 172 if (sc->vlan[vg->es_vlangroup].vlanid == 0) { 173 sc->vlan[vg->es_vlangroup].ports = 0; 174 return (sc->hal.ip17x_hw_setup(sc)); 175 } 176 sc->vlan[vg->es_vlangroup].vlanid |= ETHERSWITCH_VID_VALID; 177 } 178 179 /* Member Ports. */ 180 sc->vlan[vg->es_vlangroup].ports = 0; 181 for (i = 0; i < sc->numports; i++) { 182 if ((vg->es_member_ports & (1 << i)) == 0) 183 continue; 184 phy = sc->portphy[i]; 185 sc->vlan[vg->es_vlangroup].ports |= (1 << phy); 186 } 187 188 return (sc->hal.ip17x_hw_setup(sc)); 189 } 190