if_agrether.c revision 1.6
1 /* $NetBSD: if_agrether.c,v 1.6 2007/08/26 22:59:09 dyoung Exp $ */ 2 3 /*- 4 * Copyright (c)2005 YAMAMOTO Takashi, 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 29 #include <sys/cdefs.h> 30 __KERNEL_RCSID(0, "$NetBSD: if_agrether.c,v 1.6 2007/08/26 22:59:09 dyoung Exp $"); 31 32 #include <sys/param.h> 33 #include <sys/callout.h> 34 #include <sys/mbuf.h> 35 #include <sys/sockio.h> 36 37 #include <net/if.h> 38 #include <net/if_dl.h> 39 #include <net/if_ether.h> 40 #include <net/if_media.h> 41 42 #include <net/agr/if_agrvar_impl.h> 43 #include <net/agr/if_agrethervar.h> 44 #include <net/agr/if_agrsubr.h> 45 46 #include <net/agr/ieee8023_slowprotocols.h> 47 #include <net/agr/ieee8023_tlv.h> 48 #include <net/agr/ieee8023ad.h> 49 #include <net/agr/ieee8023ad_lacp.h> 50 #include <net/agr/ieee8023ad_lacp_impl.h> 51 #include <net/agr/ieee8023ad_impl.h> 52 53 static int agrether_ctor(struct agr_softc *, struct ifnet *); 54 static void agrether_dtor(struct agr_softc *); 55 static int agrether_portinit(struct agr_softc *, struct agr_port *); 56 static int agrether_portfini(struct agr_softc *, struct agr_port *); 57 static struct agr_port *agrether_select_tx_port(struct agr_softc *, 58 struct mbuf *); 59 static int agrether_configmulti_port(struct agr_softc *, struct agr_port *, 60 bool); 61 static int agrether_configmulti_ifreq(struct agr_softc *, struct ifreq *, 62 bool); 63 64 const struct agr_iftype_ops agrether_ops = { 65 .iftop_tick = NULL, 66 .iftop_porttick = ieee8023ad_lacp_porttick, 67 .iftop_portstate = ieee8023ad_lacp_portstate, 68 .iftop_ctor = agrether_ctor, 69 .iftop_dtor = agrether_dtor, 70 .iftop_portinit = agrether_portinit, 71 .iftop_portfini = agrether_portfini, 72 .iftop_hashmbuf = agrether_hashmbuf, 73 .iftop_select_tx_port = agrether_select_tx_port, 74 .iftop_configmulti_port = agrether_configmulti_port, 75 .iftop_configmulti_ifreq = agrether_configmulti_ifreq 76 }; 77 78 struct agrether_private { 79 struct ieee8023ad_softc aep_ieee8023ad_softc; 80 struct agr_multiaddrs aep_multiaddrs; 81 }; 82 83 struct agrether_port_private { 84 struct ieee8023ad_port aepp_ieee8023ad_port; 85 }; 86 87 static int 88 agrether_ctor(struct agr_softc *sc, struct ifnet *ifp_port) 89 { 90 struct ifnet *ifp = &sc->sc_if; 91 struct ethercom *ec = (void *)ifp; 92 struct agrether_private *priv; 93 94 priv = malloc(sizeof(*priv), M_DEVBUF, M_NOWAIT | M_ZERO); 95 if (!priv) 96 return ENOMEM; 97 98 agr_mc_init(sc, &priv->aep_multiaddrs); 99 100 sc->sc_iftprivate = priv; 101 102 ether_ifattach(ifp, CLLADDR(ifp_port->if_sadl)); 103 ec->ec_capabilities = 104 ETHERCAP_VLAN_MTU | ETHERCAP_VLAN_HWTAGGING | ETHERCAP_JUMBO_MTU; 105 106 ieee8023ad_ctor(sc); 107 108 return 0; 109 } 110 111 static void 112 agrether_dtor(struct agr_softc *sc) 113 { 114 struct agrether_private *priv = sc->sc_iftprivate; 115 116 if (priv == NULL) { 117 return; 118 } 119 120 ieee8023ad_dtor(sc); 121 agr_mc_purgeall(sc, &priv->aep_multiaddrs); 122 free(priv, M_DEVBUF); 123 sc->sc_iftprivate = NULL; 124 } 125 126 static int 127 agrether_portinit(struct agr_softc *sc, struct agr_port *port) 128 { 129 struct ifreq ifr; 130 struct agrether_port_private *priv; 131 int error; 132 struct ethercom *ec = (void *)&sc->sc_if; 133 struct ethercom *ec_port = (void *)port->port_ifp; 134 135 port->port_media = IFM_ETHER | IFM_NONE; 136 137 /* 138 * XXX it's better to always advertise ETHERCAP_VLAN_HWTAGGING 139 * and do tag insertion by ourselves if necessary, 140 * so that we can mix devices with different capabilities. 141 * ditto about if_capabilities. 142 */ 143 144 if (ec->ec_capabilities & 145 ~ec_port->ec_capabilities & 146 (ETHERCAP_VLAN_MTU | ETHERCAP_VLAN_HWTAGGING)) { 147 if (ec->ec_nvlans > 0) { 148 return EINVAL; 149 } 150 ec->ec_capabilities &= 151 ec_port->ec_capabilities | 152 ~(ETHERCAP_VLAN_MTU | ETHERCAP_VLAN_MTU); 153 } 154 155 /* XXX ETHERCAP_JUMBO_MTU */ 156 157 priv = malloc(sizeof(*priv), M_DEVBUF, M_WAITOK | M_ZERO); 158 if (priv == NULL) { 159 return ENOMEM; 160 } 161 162 port->port_iftprivate = priv; 163 164 memset(&ifr, 0, sizeof(ifr)); 165 ifr.ifr_addr.sa_len = sizeof(ifr.ifr_addr); 166 ifr.ifr_addr.sa_family = AF_UNSPEC; 167 KASSERT(sizeof(ifr.ifr_addr) >= 168 sizeof(ethermulticastaddr_slowprotocols)); 169 memcpy(&ifr.ifr_addr.sa_data, 170 ðermulticastaddr_slowprotocols, 171 sizeof(ethermulticastaddr_slowprotocols)); 172 error = agrport_ioctl(port, SIOCADDMULTI, (void *)&ifr); 173 if (error) { 174 free(port->port_iftprivate, M_DEVBUF); 175 port->port_iftprivate = NULL; 176 return error; 177 } 178 179 ieee8023ad_portinit(port); 180 181 return error; 182 } 183 184 static int 185 agrether_portfini(struct agr_softc *sc, struct agr_port *port) 186 { 187 struct ifreq ifr; 188 int error; 189 190 if (port->port_iftprivate == NULL) { 191 return 0; 192 } 193 194 memset(&ifr, 0, sizeof(ifr)); 195 ifr.ifr_addr.sa_len = sizeof(ifr.ifr_addr); 196 ifr.ifr_addr.sa_family = AF_UNSPEC; 197 KASSERT(sizeof(ifr.ifr_addr) >= 198 sizeof(ethermulticastaddr_slowprotocols)); 199 memcpy(&ifr.ifr_addr.sa_data, 200 ðermulticastaddr_slowprotocols, 201 sizeof(ethermulticastaddr_slowprotocols)); 202 error = agrport_ioctl(port, SIOCDELMULTI, (void *)&ifr); 203 if (error) { 204 return error; 205 } 206 207 ieee8023ad_portfini(port); 208 209 free(port->port_iftprivate, M_DEVBUF); 210 port->port_iftprivate = NULL; 211 212 return error; 213 } 214 215 static int 216 agrether_configmulti_port(struct agr_softc *sc, struct agr_port *port, 217 bool add) 218 { 219 struct agrether_private *priv = sc->sc_iftprivate; 220 221 return agr_configmulti_port(&priv->aep_multiaddrs, port, add); 222 } 223 224 static int 225 agrether_configmulti_ifreq(struct agr_softc *sc, struct ifreq *ifr, 226 bool add) 227 { 228 struct agrether_private *priv = sc->sc_iftprivate; 229 230 return agr_configmulti_ifreq(sc, &priv->aep_multiaddrs, ifr, add); 231 } 232 233 /* -------------------- */ 234 235 static struct agr_port * 236 agrether_select_tx_port(struct agr_softc *sc, struct mbuf *m) 237 { 238 239 return ieee8023ad_select_tx_port(sc, m); 240 } 241
Indexes created Mon Sep 29 21:09:56 GMT 2025