ip17x_vlans.c revision 250386
1250386Sadrian/*- 2250386Sadrian * Copyright (c) 2013 Luiz Otavio O Souza. 3250386Sadrian * Copyright (c) 2011-2012 Stefan Bethke. 4250386Sadrian * Copyright (c) 2012 Adrian Chadd. 5250386Sadrian * All rights reserved. 6250386Sadrian * 7250386Sadrian * Redistribution and use in source and binary forms, with or without 8250386Sadrian * modification, are permitted provided that the following conditions 9250386Sadrian * are met: 10250386Sadrian * 1. Redistributions of source code must retain the above copyright 11250386Sadrian * notice, this list of conditions and the following disclaimer. 12250386Sadrian * 2. Redistributions in binary form must reproduce the above copyright 13250386Sadrian * notice, this list of conditions and the following disclaimer in the 14250386Sadrian * documentation and/or other materials provided with the distribution. 15250386Sadrian * 16250386Sadrian * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17250386Sadrian * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18250386Sadrian * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19250386Sadrian * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20250386Sadrian * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21250386Sadrian * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22250386Sadrian * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23250386Sadrian * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24250386Sadrian * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25250386Sadrian * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26250386Sadrian * SUCH DAMAGE. 27250386Sadrian * 28250386Sadrian * $FreeBSD: head/sys/dev/etherswitch/ip17x/ip17x_vlans.c 250386 2013-05-08 20:58:41Z adrian $ 29250386Sadrian */ 30250386Sadrian 31250386Sadrian#include <sys/param.h> 32250386Sadrian#include <sys/bus.h> 33250386Sadrian#include <sys/errno.h> 34250386Sadrian#include <sys/kernel.h> 35250386Sadrian#include <sys/systm.h> 36250386Sadrian#include <sys/socket.h> 37250386Sadrian 38250386Sadrian#include <net/if.h> 39250386Sadrian 40250386Sadrian#include <dev/mii/mii.h> 41250386Sadrian 42250386Sadrian#include <dev/etherswitch/etherswitch.h> 43250386Sadrian#include <dev/etherswitch/ip17x/ip17x_phy.h> 44250386Sadrian#include <dev/etherswitch/ip17x/ip17x_reg.h> 45250386Sadrian#include <dev/etherswitch/ip17x/ip17x_var.h> 46250386Sadrian#include <dev/etherswitch/ip17x/ip17x_vlans.h> 47250386Sadrian#include <dev/etherswitch/ip17x/ip175c.h> 48250386Sadrian 49250386Sadrian#include "mdio_if.h" 50250386Sadrian#include "miibus_if.h" 51250386Sadrian#include "etherswitch_if.h" 52250386Sadrian 53250386Sadrian/* 54250386Sadrian * Reset vlans to default state. 55250386Sadrian */ 56250386Sadrianint 57250386Sadrianip17x_reset_vlans(struct ip17x_softc *sc, uint32_t vlan_mode) 58250386Sadrian{ 59250386Sadrian struct ip17x_vlan *v; 60250386Sadrian int i, j, phy; 61250386Sadrian 62250386Sadrian /* Do not add or strip vlan tags on any port. */ 63250386Sadrian sc->addtag = 0; 64250386Sadrian sc->striptag = 0; 65250386Sadrian 66250386Sadrian /* Reset all vlan data. */ 67250386Sadrian memset(sc->vlan, 0, sizeof(sc->vlan)); 68250386Sadrian memset(sc->pvid, 0, sizeof(uint32_t) * sc->numports); 69250386Sadrian 70250386Sadrian if (vlan_mode == ETHERSWITCH_VLAN_PORT) { 71250386Sadrian 72250386Sadrian /* Initialize port based vlans. */ 73250386Sadrian for (i = 0, phy = 0; phy < MII_NPHY; phy++) { 74250386Sadrian if (((1 << phy) & sc->phymask) == 0) 75250386Sadrian continue; 76250386Sadrian v = &sc->vlan[i]; 77250386Sadrian v->vlanid = i++; 78250386Sadrian v->ports = (1 << sc->cpuport); 79250386Sadrian for (j = 0; j < MII_NPHY; j++) { 80250386Sadrian if (((1 << j) & sc->phymask) == 0) 81250386Sadrian continue; 82250386Sadrian v->ports |= (1 << j); 83250386Sadrian } 84250386Sadrian } 85250386Sadrian 86250386Sadrian } else if (vlan_mode == ETHERSWITCH_VLAN_DOT1Q) { 87250386Sadrian 88250386Sadrian /* 89250386Sadrian * Setup vlan 1 as PVID for all switch ports. Add all ports as 90250386Sadrian * members of vlan 1. 91250386Sadrian */ 92250386Sadrian v = &sc->vlan[0]; 93250386Sadrian v->vlanid = 1; 94250386Sadrian /* Set PVID for everyone. */ 95250386Sadrian for (i = 0; i < sc->numports; i++) 96250386Sadrian sc->pvid[i] = v->vlanid; 97250386Sadrian for (i = 0; i < MII_NPHY; i++) { 98250386Sadrian if ((sc->phymask & (1 << i)) == 0) 99250386Sadrian continue; 100250386Sadrian v->ports |= (1 << i); 101250386Sadrian } 102250386Sadrian } 103250386Sadrian 104250386Sadrian return (0); 105250386Sadrian} 106250386Sadrian 107250386Sadrianint 108250386Sadrianip17x_getvgroup(device_t dev, etherswitch_vlangroup_t *vg) 109250386Sadrian{ 110250386Sadrian struct ip17x_softc *sc; 111250386Sadrian uint32_t port; 112250386Sadrian int i; 113250386Sadrian 114250386Sadrian sc = device_get_softc(dev); 115250386Sadrian 116250386Sadrian /* Vlan ID. */ 117250386Sadrian vg->es_vid = sc->vlan[vg->es_vlangroup].vlanid; 118250386Sadrian 119250386Sadrian /* Member Ports. */ 120250386Sadrian vg->es_member_ports = 0; 121250386Sadrian for (i = 0; i < MII_NPHY; i++) { 122250386Sadrian if ((sc->phymask & (1 << i)) == 0) 123250386Sadrian continue; 124250386Sadrian if ((sc->vlan[vg->es_vlangroup].ports & (1 << i)) == 0) 125250386Sadrian continue; 126250386Sadrian port = sc->phyport[i]; 127250386Sadrian vg->es_member_ports |= (1 << port); 128250386Sadrian } 129250386Sadrian 130250386Sadrian /* Not supported. */ 131250386Sadrian vg->es_untagged_ports = vg->es_member_ports; 132250386Sadrian vg->es_fid = 0; 133250386Sadrian 134250386Sadrian return (0); 135250386Sadrian} 136250386Sadrian 137250386Sadrianint 138250386Sadrianip17x_setvgroup(device_t dev, etherswitch_vlangroup_t *vg) 139250386Sadrian{ 140250386Sadrian struct ip17x_softc *sc; 141250386Sadrian uint32_t phy; 142250386Sadrian int i; 143250386Sadrian 144250386Sadrian sc = device_get_softc(dev); 145250386Sadrian 146250386Sadrian /* Check VLAN mode. */ 147250386Sadrian if (sc->vlan_mode == 0) 148250386Sadrian return (EINVAL); 149250386Sadrian 150250386Sadrian /* IP175C don't support VLAN IDs > 15. */ 151250386Sadrian if (IP17X_IS_SWITCH(sc, IP175C) && vg->es_vid > IP175C_LAST_VLAN) 152250386Sadrian return (EINVAL); 153250386Sadrian 154250386Sadrian /* Vlan ID. */ 155250386Sadrian sc->vlan[vg->es_vlangroup].vlanid = vg->es_vid; 156250386Sadrian 157250386Sadrian /* Member Ports. */ 158250386Sadrian sc->vlan[vg->es_vlangroup].ports = 0; 159250386Sadrian for (i = 0; i < sc->numports; i++) { 160250386Sadrian if ((vg->es_member_ports & (1 << i)) == 0) 161250386Sadrian continue; 162250386Sadrian phy = sc->portphy[i]; 163250386Sadrian sc->vlan[vg->es_vlangroup].ports |= (1 << phy); 164250386Sadrian } 165250386Sadrian 166250386Sadrian return (sc->hal.ip17x_hw_setup(sc)); 167250386Sadrian} 168