11da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 21da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Copyright (c) 2004 Topspin Communications. All rights reserved. 31da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 41da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * This software is available to you under a choice of one of two 51da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * licenses. You may choose to be licensed under the terms of the GNU 61da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * General Public License (GPL) Version 2, available from the file 71da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * COPYING in the main directory of this source tree, or the 81da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * OpenIB.org BSD license below: 91da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Redistribution and use in source and binary forms, with or 111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * without modification, are permitted provided that the following 121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * conditions are met: 131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * - Redistributions of source code must retain the above 151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * copyright notice, this list of conditions and the following 161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * disclaimer. 171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * - Redistributions in binary form must reproduce the above 191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * copyright notice, this list of conditions and the following 201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * disclaimer in the documentation and/or other materials 211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * provided with the distribution. 221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * SOFTWARE. 311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/module.h> 341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/init.h> 361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/seq_file.h> 371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <asm/uaccess.h> 391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include "ipoib.h" 411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4243cb76d91ee85f579a69d42bc8efc08bac560278Greg Kroah-Hartmanstatic ssize_t show_parent(struct device *d, struct device_attribute *attr, 4343cb76d91ee85f579a69d42bc8efc08bac560278Greg Kroah-Hartman char *buf) 441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 4543cb76d91ee85f579a69d42bc8efc08bac560278Greg Kroah-Hartman struct net_device *dev = to_net_dev(d); 461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct ipoib_dev_priv *priv = netdev_priv(dev); 471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return sprintf(buf, "%s\n", priv->parent->name); 491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 5043cb76d91ee85f579a69d42bc8efc08bac560278Greg Kroah-Hartmanstatic DEVICE_ATTR(parent, S_IRUGO, show_parent, NULL); 511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint ipoib_vlan_add(struct net_device *pdev, unsigned short pkey) 531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct ipoib_dev_priv *ppriv, *priv; 551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds char intf_name[IFNAMSIZ]; 561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int result; 571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!capable(CAP_NET_ADMIN)) 591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -EPERM; 601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ppriv = netdev_priv(pdev); 621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6326574401fef6766f6c3ca25b5c13febe662d2a32Eric W. Biederman if (!rtnl_trylock()) 6426574401fef6766f6c3ca25b5c13febe662d2a32Eric W. Biederman return restart_syscall(); 6595ed644fd12f53c6fc778f3f246974e5fe3a9468Ingo Molnar mutex_lock(&ppriv->vlan_mutex); 661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * First ensure this isn't a duplicate. We check the parent device and 691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * then all of the child interfaces to make sure the Pkey doesn't match. 701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (ppriv->pkey == pkey) { 721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds result = -ENOTUNIQ; 73edb5abb1e2a84fd8802a3577d95eac84fe1405abRoland Dreier priv = NULL; 741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto err; 751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds list_for_each_entry(priv, &ppriv->child_intfs, list) { 781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (priv->pkey == pkey) { 791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds result = -ENOTUNIQ; 80edb5abb1e2a84fd8802a3577d95eac84fe1405abRoland Dreier priv = NULL; 811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto err; 821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds snprintf(intf_name, sizeof intf_name, "%s.%04x", 861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ppriv->dev->name, pkey); 871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds priv = ipoib_intf_alloc(intf_name); 881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!priv) { 891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds result = -ENOMEM; 901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto err; 911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 93bc7b3a36ba02e4053ca38653e6a753082d9add03Shirley Ma priv->max_ib_mtu = ppriv->max_ib_mtu; 94b4132efa1a47858d741ecb05b8735e6fcb603bc8Eli Cohen /* MTU will be reset when mcast join happens */ 95b4132efa1a47858d741ecb05b8735e6fcb603bc8Eli Cohen priv->dev->mtu = IPOIB_UD_MTU(priv->max_ib_mtu); 96b4132efa1a47858d741ecb05b8735e6fcb603bc8Eli Cohen priv->mcast_mtu = priv->admin_mtu = priv->dev->mtu; 971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds set_bit(IPOIB_FLAG_SUBINTERFACE, &priv->flags); 981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9983bb63f62bda28be88b21216fbb59838a10f2348Or Gerlitz result = ipoib_set_dev_features(priv, ppriv->ca); 10083bb63f62bda28be88b21216fbb59838a10f2348Or Gerlitz if (result) 101edb5abb1e2a84fd8802a3577d95eac84fe1405abRoland Dreier goto err; 10283bb63f62bda28be88b21216fbb59838a10f2348Or Gerlitz 1031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds priv->pkey = pkey; 1041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds memcpy(priv->dev->dev_addr, ppriv->dev->dev_addr, INFINIBAND_ALEN); 1061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds priv->dev->broadcast[8] = pkey >> 8; 1071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds priv->dev->broadcast[9] = pkey & 0xff; 1081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds result = ipoib_dev_init(priv->dev, ppriv->ca, ppriv->port); 1101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (result < 0) { 1111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ipoib_warn(ppriv, "failed to initialize subinterface: " 1121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "device %s, port %d", 1131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ppriv->ca->name, ppriv->port); 114edb5abb1e2a84fd8802a3577d95eac84fe1405abRoland Dreier goto err; 1151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 117cbbe1efa4972350286b52cb48aefaa11e198c0fbRoland Dreier result = register_netdevice(priv->dev); 1181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (result) { 1191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ipoib_warn(priv, "failed to initialize; error %i", result); 1201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto register_failed; 1211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds priv->parent = ppriv->dev; 1241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1251732b0ef3b3a02e3df328086fb3018741c5476daRoland Dreier ipoib_create_debug_files(priv->dev); 1261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 127839fcaba355abaffb7b44f0f4504093acb0b11cfMichael S. Tsirkin if (ipoib_cm_add_mode_attr(priv->dev)) 128839fcaba355abaffb7b44f0f4504093acb0b11cfMichael S. Tsirkin goto sysfs_failed; 1291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (ipoib_add_pkey_attr(priv->dev)) 1301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto sysfs_failed; 131335a64a5a958002bc238c90de695e120c3c8c120Or Gerlitz if (ipoib_add_umcast_attr(priv->dev)) 132335a64a5a958002bc238c90de695e120c3c8c120Or Gerlitz goto sysfs_failed; 1331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13443cb76d91ee85f579a69d42bc8efc08bac560278Greg Kroah-Hartman if (device_create_file(&priv->dev->dev, &dev_attr_parent)) 1351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto sysfs_failed; 1361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds list_add_tail(&priv->list, &ppriv->child_intfs); 1381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13995ed644fd12f53c6fc778f3f246974e5fe3a9468Ingo Molnar mutex_unlock(&ppriv->vlan_mutex); 140cbbe1efa4972350286b52cb48aefaa11e198c0fbRoland Dreier rtnl_unlock(); 1411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 1431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldssysfs_failed: 1451732b0ef3b3a02e3df328086fb3018741c5476daRoland Dreier ipoib_delete_debug_files(priv->dev); 146cbbe1efa4972350286b52cb48aefaa11e198c0fbRoland Dreier unregister_netdevice(priv->dev); 1471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsregister_failed: 1491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ipoib_dev_cleanup(priv->dev); 1501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldserr: 15295ed644fd12f53c6fc778f3f246974e5fe3a9468Ingo Molnar mutex_unlock(&ppriv->vlan_mutex); 153cbbe1efa4972350286b52cb48aefaa11e198c0fbRoland Dreier rtnl_unlock(); 154edb5abb1e2a84fd8802a3577d95eac84fe1405abRoland Dreier if (priv) 155edb5abb1e2a84fd8802a3577d95eac84fe1405abRoland Dreier free_netdev(priv->dev); 156edb5abb1e2a84fd8802a3577d95eac84fe1405abRoland Dreier 1571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return result; 1581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint ipoib_vlan_delete(struct net_device *pdev, unsigned short pkey) 1611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct ipoib_dev_priv *ppriv, *priv, *tpriv; 163edb5abb1e2a84fd8802a3577d95eac84fe1405abRoland Dreier struct net_device *dev = NULL; 1641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!capable(CAP_NET_ADMIN)) 1661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -EPERM; 1671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ppriv = netdev_priv(pdev); 1691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 17026574401fef6766f6c3ca25b5c13febe662d2a32Eric W. Biederman if (!rtnl_trylock()) 17126574401fef6766f6c3ca25b5c13febe662d2a32Eric W. Biederman return restart_syscall(); 17295ed644fd12f53c6fc778f3f246974e5fe3a9468Ingo Molnar mutex_lock(&ppriv->vlan_mutex); 1731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds list_for_each_entry_safe(priv, tpriv, &ppriv->child_intfs, list) { 1741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (priv->pkey == pkey) { 175cbbe1efa4972350286b52cb48aefaa11e198c0fbRoland Dreier unregister_netdevice(priv->dev); 1761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ipoib_dev_cleanup(priv->dev); 1771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds list_del(&priv->list); 178edb5abb1e2a84fd8802a3577d95eac84fe1405abRoland Dreier dev = priv->dev; 1791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 1801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 18295ed644fd12f53c6fc778f3f246974e5fe3a9468Ingo Molnar mutex_unlock(&ppriv->vlan_mutex); 183cbbe1efa4972350286b52cb48aefaa11e198c0fbRoland Dreier rtnl_unlock(); 1841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 185edb5abb1e2a84fd8802a3577d95eac84fe1405abRoland Dreier if (dev) { 186edb5abb1e2a84fd8802a3577d95eac84fe1405abRoland Dreier free_netdev(dev); 187edb5abb1e2a84fd8802a3577d95eac84fe1405abRoland Dreier return 0; 188edb5abb1e2a84fd8802a3577d95eac84fe1405abRoland Dreier } 189edb5abb1e2a84fd8802a3577d95eac84fe1405abRoland Dreier 190edb5abb1e2a84fd8802a3577d95eac84fe1405abRoland Dreier return -ENODEV; 1911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 192