Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright(c) 2004-2005 Intel Corporation. All rights reserved. |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or modify it |
| 5 | * under the terms of the GNU General Public License as published by the |
| 6 | * Free Software Foundation; either version 2 of the License, or |
| 7 | * (at your option) any later version. |
| 8 | * |
| 9 | * This program is distributed in the hope that it will be useful, but |
| 10 | * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY |
| 11 | * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| 12 | * for more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU General Public License along |
Jeff Kirsher | adf8d3f | 2013-12-06 06:28:47 -0800 | [diff] [blame] | 15 | * with this program; if not, see <http://www.gnu.org/licenses/>. |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 16 | * |
| 17 | * The full GNU General Public License is included in this distribution in the |
| 18 | * file called LICENSE. |
| 19 | * |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 20 | */ |
Joe Perches | a4aee5c | 2009-12-13 20:06:07 -0800 | [diff] [blame] | 21 | |
| 22 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
| 23 | |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 24 | #include <linux/kernel.h> |
| 25 | #include <linux/module.h> |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 26 | #include <linux/device.h> |
Alexey Dobriyan | d43c36d | 2009-10-07 17:09:06 +0400 | [diff] [blame] | 27 | #include <linux/sched.h> |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 28 | #include <linux/fs.h> |
| 29 | #include <linux/types.h> |
| 30 | #include <linux/string.h> |
| 31 | #include <linux/netdevice.h> |
| 32 | #include <linux/inetdevice.h> |
| 33 | #include <linux/in.h> |
| 34 | #include <linux/sysfs.h> |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 35 | #include <linux/ctype.h> |
| 36 | #include <linux/inet.h> |
| 37 | #include <linux/rtnetlink.h> |
Stephen Hemminger | 5c5129b | 2009-06-12 19:02:51 +0000 | [diff] [blame] | 38 | #include <linux/etherdevice.h> |
Eric W. Biederman | 881d966 | 2007-09-17 11:56:21 -0700 | [diff] [blame] | 39 | #include <net/net_namespace.h> |
Eric W. Biederman | ec87fd3 | 2009-10-29 14:18:26 +0000 | [diff] [blame] | 40 | #include <net/netns/generic.h> |
| 41 | #include <linux/nsproxy.h> |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 42 | |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 43 | #include "bonding.h" |
Holger Eitzenberger | 5a03cdb | 2008-12-09 23:09:22 -0800 | [diff] [blame] | 44 | |
Stephen Hemminger | 3d632c3 | 2009-06-12 19:02:48 +0000 | [diff] [blame] | 45 | #define to_dev(obj) container_of(obj, struct device, kobj) |
Wang Chen | 454d7c9 | 2008-11-12 23:37:49 -0800 | [diff] [blame] | 46 | #define to_bond(cd) ((struct bonding *)(netdev_priv(to_net_dev(cd)))) |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 47 | |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 48 | /* |
| 49 | * "show" function for the bond_masters attribute. |
| 50 | * The class parameter is ignored. |
| 51 | */ |
Andi Kleen | 28812fe | 2010-01-05 12:48:07 +0100 | [diff] [blame] | 52 | static ssize_t bonding_show_bonds(struct class *cls, |
| 53 | struct class_attribute *attr, |
| 54 | char *buf) |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 55 | { |
Eric W. Biederman | 4c22400 | 2011-10-12 21:56:25 +0000 | [diff] [blame] | 56 | struct bond_net *bn = |
| 57 | container_of(attr, struct bond_net, class_attr_bonding_masters); |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 58 | int res = 0; |
| 59 | struct bonding *bond; |
| 60 | |
Stephen Hemminger | 7e08384 | 2009-06-12 19:02:46 +0000 | [diff] [blame] | 61 | rtnl_lock(); |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 62 | |
Eric W. Biederman | ec87fd3 | 2009-10-29 14:18:26 +0000 | [diff] [blame] | 63 | list_for_each_entry(bond, &bn->dev_list, bond_list) { |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 64 | if (res > (PAGE_SIZE - IFNAMSIZ)) { |
| 65 | /* not enough space for another interface name */ |
| 66 | if ((PAGE_SIZE - res) > 10) |
| 67 | res = PAGE_SIZE - 10; |
Wagner Ferenc | b884366 | 2007-12-06 23:40:30 -0800 | [diff] [blame] | 68 | res += sprintf(buf + res, "++more++ "); |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 69 | break; |
| 70 | } |
Wagner Ferenc | b884366 | 2007-12-06 23:40:30 -0800 | [diff] [blame] | 71 | res += sprintf(buf + res, "%s ", bond->dev->name); |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 72 | } |
Wagner Ferenc | 1dcdcd6 | 2007-12-06 23:40:31 -0800 | [diff] [blame] | 73 | if (res) |
| 74 | buf[res-1] = '\n'; /* eat the leftover space */ |
Stephen Hemminger | 7e08384 | 2009-06-12 19:02:46 +0000 | [diff] [blame] | 75 | |
| 76 | rtnl_unlock(); |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 77 | return res; |
| 78 | } |
| 79 | |
Eric W. Biederman | 4c22400 | 2011-10-12 21:56:25 +0000 | [diff] [blame] | 80 | static struct net_device *bond_get_by_name(struct bond_net *bn, const char *ifname) |
Stephen Hemminger | 373500d | 2009-06-12 19:02:50 +0000 | [diff] [blame] | 81 | { |
| 82 | struct bonding *bond; |
| 83 | |
Eric W. Biederman | ec87fd3 | 2009-10-29 14:18:26 +0000 | [diff] [blame] | 84 | list_for_each_entry(bond, &bn->dev_list, bond_list) { |
Stephen Hemminger | 373500d | 2009-06-12 19:02:50 +0000 | [diff] [blame] | 85 | if (strncmp(bond->dev->name, ifname, IFNAMSIZ) == 0) |
| 86 | return bond->dev; |
| 87 | } |
| 88 | return NULL; |
| 89 | } |
| 90 | |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 91 | /* |
| 92 | * "store" function for the bond_masters attribute. This is what |
| 93 | * creates and deletes entire bonds. |
| 94 | * |
| 95 | * The class parameter is ignored. |
| 96 | * |
| 97 | */ |
| 98 | |
Stephen Hemminger | 3d632c3 | 2009-06-12 19:02:48 +0000 | [diff] [blame] | 99 | static ssize_t bonding_store_bonds(struct class *cls, |
Andi Kleen | 28812fe | 2010-01-05 12:48:07 +0100 | [diff] [blame] | 100 | struct class_attribute *attr, |
Stephen Hemminger | 3d632c3 | 2009-06-12 19:02:48 +0000 | [diff] [blame] | 101 | const char *buffer, size_t count) |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 102 | { |
Eric W. Biederman | 4c22400 | 2011-10-12 21:56:25 +0000 | [diff] [blame] | 103 | struct bond_net *bn = |
| 104 | container_of(attr, struct bond_net, class_attr_bonding_masters); |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 105 | char command[IFNAMSIZ + 1] = {0, }; |
| 106 | char *ifname; |
Jay Vosburgh | 027ea04 | 2008-01-17 16:25:02 -0800 | [diff] [blame] | 107 | int rv, res = count; |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 108 | |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 109 | sscanf(buffer, "%16s", command); /* IFNAMSIZ*/ |
| 110 | ifname = command + 1; |
| 111 | if ((strlen(command) <= 1) || |
| 112 | !dev_valid_name(ifname)) |
| 113 | goto err_no_cmd; |
| 114 | |
| 115 | if (command[0] == '+') { |
Joe Perches | a4aee5c | 2009-12-13 20:06:07 -0800 | [diff] [blame] | 116 | pr_info("%s is being created...\n", ifname); |
Eric W. Biederman | 4c22400 | 2011-10-12 21:56:25 +0000 | [diff] [blame] | 117 | rv = bond_create(bn->net, ifname); |
Jay Vosburgh | 027ea04 | 2008-01-17 16:25:02 -0800 | [diff] [blame] | 118 | if (rv) { |
Phil Oester | 5f86cad1 | 2011-03-14 06:22:06 +0000 | [diff] [blame] | 119 | if (rv == -EEXIST) |
| 120 | pr_info("%s already exists.\n", ifname); |
| 121 | else |
| 122 | pr_info("%s creation failed.\n", ifname); |
Jay Vosburgh | 027ea04 | 2008-01-17 16:25:02 -0800 | [diff] [blame] | 123 | res = rv; |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 124 | } |
Stephen Hemminger | 373500d | 2009-06-12 19:02:50 +0000 | [diff] [blame] | 125 | } else if (command[0] == '-') { |
| 126 | struct net_device *bond_dev; |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 127 | |
Jay Vosburgh | 027ea04 | 2008-01-17 16:25:02 -0800 | [diff] [blame] | 128 | rtnl_lock(); |
Eric W. Biederman | 4c22400 | 2011-10-12 21:56:25 +0000 | [diff] [blame] | 129 | bond_dev = bond_get_by_name(bn, ifname); |
Stephen Hemminger | 373500d | 2009-06-12 19:02:50 +0000 | [diff] [blame] | 130 | if (bond_dev) { |
Joe Perches | a4aee5c | 2009-12-13 20:06:07 -0800 | [diff] [blame] | 131 | pr_info("%s is being deleted...\n", ifname); |
Stephen Hemminger | 373500d | 2009-06-12 19:02:50 +0000 | [diff] [blame] | 132 | unregister_netdevice(bond_dev); |
| 133 | } else { |
Joe Perches | a4aee5c | 2009-12-13 20:06:07 -0800 | [diff] [blame] | 134 | pr_err("unable to delete non-existent %s\n", ifname); |
Stephen Hemminger | 373500d | 2009-06-12 19:02:50 +0000 | [diff] [blame] | 135 | res = -ENODEV; |
| 136 | } |
| 137 | rtnl_unlock(); |
| 138 | } else |
| 139 | goto err_no_cmd; |
Jay Vosburgh | 027ea04 | 2008-01-17 16:25:02 -0800 | [diff] [blame] | 140 | |
Stephen Hemminger | 373500d | 2009-06-12 19:02:50 +0000 | [diff] [blame] | 141 | /* Always return either count or an error. If you return 0, you'll |
| 142 | * get called forever, which is bad. |
| 143 | */ |
| 144 | return res; |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 145 | |
| 146 | err_no_cmd: |
Joe Perches | a4aee5c | 2009-12-13 20:06:07 -0800 | [diff] [blame] | 147 | pr_err("no command found in bonding_masters. Use +ifname or -ifname.\n"); |
Jay Vosburgh | c4ebc66 | 2008-05-02 17:49:38 -0700 | [diff] [blame] | 148 | return -EPERM; |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 149 | } |
Stephen Hemminger | 373500d | 2009-06-12 19:02:50 +0000 | [diff] [blame] | 150 | |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 151 | /* class attribute for bond_masters file. This ends up in /sys/class/net */ |
Eric W. Biederman | 4c22400 | 2011-10-12 21:56:25 +0000 | [diff] [blame] | 152 | static const struct class_attribute class_attr_bonding_masters = { |
| 153 | .attr = { |
| 154 | .name = "bonding_masters", |
| 155 | .mode = S_IWUSR | S_IRUGO, |
| 156 | }, |
| 157 | .show = bonding_show_bonds, |
| 158 | .store = bonding_store_bonds, |
Eric W. Biederman | 4c22400 | 2011-10-12 21:56:25 +0000 | [diff] [blame] | 159 | }; |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 160 | |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 161 | /* |
| 162 | * Show the slaves in the current bond. |
| 163 | */ |
Greg Kroah-Hartman | 43cb76d | 2002-04-09 12:14:34 -0700 | [diff] [blame] | 164 | static ssize_t bonding_show_slaves(struct device *d, |
| 165 | struct device_attribute *attr, char *buf) |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 166 | { |
Greg Kroah-Hartman | 43cb76d | 2002-04-09 12:14:34 -0700 | [diff] [blame] | 167 | struct bonding *bond = to_bond(d); |
Veaceslav Falico | 9caff1e | 2013-09-25 09:20:14 +0200 | [diff] [blame] | 168 | struct list_head *iter; |
nikolay@redhat.com | dec1e90 | 2013-08-01 16:54:47 +0200 | [diff] [blame] | 169 | struct slave *slave; |
| 170 | int res = 0; |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 171 | |
dingtianhong | 4d1ae5f | 2013-10-15 16:28:42 +0800 | [diff] [blame] | 172 | if (!rtnl_trylock()) |
| 173 | return restart_syscall(); |
| 174 | |
Veaceslav Falico | 9caff1e | 2013-09-25 09:20:14 +0200 | [diff] [blame] | 175 | bond_for_each_slave(bond, slave, iter) { |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 176 | if (res > (PAGE_SIZE - IFNAMSIZ)) { |
| 177 | /* not enough space for another interface name */ |
| 178 | if ((PAGE_SIZE - res) > 10) |
| 179 | res = PAGE_SIZE - 10; |
Wagner Ferenc | 7bd4650 | 2007-12-06 23:40:28 -0800 | [diff] [blame] | 180 | res += sprintf(buf + res, "++more++ "); |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 181 | break; |
| 182 | } |
| 183 | res += sprintf(buf + res, "%s ", slave->dev->name); |
| 184 | } |
dingtianhong | 4d1ae5f | 2013-10-15 16:28:42 +0800 | [diff] [blame] | 185 | |
| 186 | rtnl_unlock(); |
| 187 | |
Wagner Ferenc | 1dcdcd6 | 2007-12-06 23:40:31 -0800 | [diff] [blame] | 188 | if (res) |
| 189 | buf[res-1] = '\n'; /* eat the leftover space */ |
nikolay@redhat.com | dec1e90 | 2013-08-01 16:54:47 +0200 | [diff] [blame] | 190 | |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 191 | return res; |
| 192 | } |
| 193 | |
| 194 | /* |
Veaceslav Falico | d6641cc | 2013-05-28 01:26:13 +0000 | [diff] [blame] | 195 | * Set the slaves in the current bond. |
Jiri Pirko | f9f3545 | 2010-05-18 05:46:39 +0000 | [diff] [blame] | 196 | * This is supposed to be only thin wrapper for bond_enslave and bond_release. |
| 197 | * All hard work should be done there. |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 198 | */ |
Greg Kroah-Hartman | 43cb76d | 2002-04-09 12:14:34 -0700 | [diff] [blame] | 199 | static ssize_t bonding_store_slaves(struct device *d, |
| 200 | struct device_attribute *attr, |
| 201 | const char *buffer, size_t count) |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 202 | { |
| 203 | char command[IFNAMSIZ + 1] = { 0, }; |
| 204 | char *ifname; |
Jiri Pirko | f9f3545 | 2010-05-18 05:46:39 +0000 | [diff] [blame] | 205 | int res, ret = count; |
| 206 | struct net_device *dev; |
Greg Kroah-Hartman | 43cb76d | 2002-04-09 12:14:34 -0700 | [diff] [blame] | 207 | struct bonding *bond = to_bond(d); |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 208 | |
Eric W. Biederman | 496a60c | 2009-05-13 17:02:50 +0000 | [diff] [blame] | 209 | if (!rtnl_trylock()) |
| 210 | return restart_syscall(); |
Jay Vosburgh | 027ea04 | 2008-01-17 16:25:02 -0800 | [diff] [blame] | 211 | |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 212 | sscanf(buffer, "%16s", command); /* IFNAMSIZ*/ |
| 213 | ifname = command + 1; |
| 214 | if ((strlen(command) <= 1) || |
| 215 | !dev_valid_name(ifname)) |
| 216 | goto err_no_cmd; |
| 217 | |
Jiri Pirko | f9f3545 | 2010-05-18 05:46:39 +0000 | [diff] [blame] | 218 | dev = __dev_get_by_name(dev_net(bond->dev), ifname); |
| 219 | if (!dev) { |
| 220 | pr_info("%s: Interface %s does not exist!\n", |
| 221 | bond->dev->name, ifname); |
| 222 | ret = -ENODEV; |
| 223 | goto out; |
| 224 | } |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 225 | |
Jiri Pirko | f9f3545 | 2010-05-18 05:46:39 +0000 | [diff] [blame] | 226 | switch (command[0]) { |
| 227 | case '+': |
| 228 | pr_info("%s: Adding slave %s.\n", bond->dev->name, dev->name); |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 229 | res = bond_enslave(bond->dev, dev); |
Jiri Pirko | f9f3545 | 2010-05-18 05:46:39 +0000 | [diff] [blame] | 230 | break; |
Stephen Hemminger | 3d632c3 | 2009-06-12 19:02:48 +0000 | [diff] [blame] | 231 | |
Jiri Pirko | f9f3545 | 2010-05-18 05:46:39 +0000 | [diff] [blame] | 232 | case '-': |
| 233 | pr_info("%s: Removing slave %s.\n", bond->dev->name, dev->name); |
| 234 | res = bond_release(bond->dev, dev); |
| 235 | break; |
| 236 | |
| 237 | default: |
| 238 | goto err_no_cmd; |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 239 | } |
| 240 | |
Jiri Pirko | f9f3545 | 2010-05-18 05:46:39 +0000 | [diff] [blame] | 241 | if (res) |
| 242 | ret = res; |
| 243 | goto out; |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 244 | |
| 245 | err_no_cmd: |
Joe Perches | a4aee5c | 2009-12-13 20:06:07 -0800 | [diff] [blame] | 246 | pr_err("no command found in slaves file for bond %s. Use +ifname or -ifname.\n", |
| 247 | bond->dev->name); |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 248 | ret = -EPERM; |
| 249 | |
| 250 | out: |
Jay Vosburgh | 027ea04 | 2008-01-17 16:25:02 -0800 | [diff] [blame] | 251 | rtnl_unlock(); |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 252 | return ret; |
| 253 | } |
| 254 | |
Stephen Hemminger | 3d632c3 | 2009-06-12 19:02:48 +0000 | [diff] [blame] | 255 | static DEVICE_ATTR(slaves, S_IRUGO | S_IWUSR, bonding_show_slaves, |
| 256 | bonding_store_slaves); |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 257 | |
| 258 | /* |
| 259 | * Show and set the bonding mode. The bond interface must be down to |
| 260 | * change the mode. |
| 261 | */ |
Greg Kroah-Hartman | 43cb76d | 2002-04-09 12:14:34 -0700 | [diff] [blame] | 262 | static ssize_t bonding_show_mode(struct device *d, |
| 263 | struct device_attribute *attr, char *buf) |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 264 | { |
Greg Kroah-Hartman | 43cb76d | 2002-04-09 12:14:34 -0700 | [diff] [blame] | 265 | struct bonding *bond = to_bond(d); |
Nikolay Aleksandrov | 2b3798d | 2014-01-22 14:53:17 +0100 | [diff] [blame] | 266 | struct bond_opt_value *val; |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 267 | |
Nikolay Aleksandrov | 2b3798d | 2014-01-22 14:53:17 +0100 | [diff] [blame] | 268 | val = bond_opt_get_val(BOND_OPT_MODE, bond->params.mode); |
| 269 | |
| 270 | return sprintf(buf, "%s %d\n", val->string, bond->params.mode); |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 271 | } |
| 272 | |
Greg Kroah-Hartman | 43cb76d | 2002-04-09 12:14:34 -0700 | [diff] [blame] | 273 | static ssize_t bonding_store_mode(struct device *d, |
| 274 | struct device_attribute *attr, |
| 275 | const char *buf, size_t count) |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 276 | { |
Greg Kroah-Hartman | 43cb76d | 2002-04-09 12:14:34 -0700 | [diff] [blame] | 277 | struct bonding *bond = to_bond(d); |
Nikolay Aleksandrov | 2b3798d | 2014-01-22 14:53:17 +0100 | [diff] [blame] | 278 | int ret; |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 279 | |
Nikolay Aleksandrov | 2b3798d | 2014-01-22 14:53:17 +0100 | [diff] [blame] | 280 | ret = bond_opt_tryset_rtnl(bond, BOND_OPT_MODE, (char *)buf); |
| 281 | if (!ret) |
Jiri Pirko | 72be35f | 2013-10-18 17:43:34 +0200 | [diff] [blame] | 282 | ret = count; |
Andy Gospodarek | c5cb002 | 2010-07-28 15:13:56 +0000 | [diff] [blame] | 283 | |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 284 | return ret; |
| 285 | } |
Stephen Hemminger | 3d632c3 | 2009-06-12 19:02:48 +0000 | [diff] [blame] | 286 | static DEVICE_ATTR(mode, S_IRUGO | S_IWUSR, |
| 287 | bonding_show_mode, bonding_store_mode); |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 288 | |
| 289 | /* |
Stephen Hemminger | 3d632c3 | 2009-06-12 19:02:48 +0000 | [diff] [blame] | 290 | * Show and set the bonding transmit hash method. |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 291 | */ |
Greg Kroah-Hartman | 43cb76d | 2002-04-09 12:14:34 -0700 | [diff] [blame] | 292 | static ssize_t bonding_show_xmit_hash(struct device *d, |
| 293 | struct device_attribute *attr, |
| 294 | char *buf) |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 295 | { |
Greg Kroah-Hartman | 43cb76d | 2002-04-09 12:14:34 -0700 | [diff] [blame] | 296 | struct bonding *bond = to_bond(d); |
Nikolay Aleksandrov | a4b32ce | 2014-01-22 14:53:19 +0100 | [diff] [blame] | 297 | struct bond_opt_value *val; |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 298 | |
Nikolay Aleksandrov | a4b32ce | 2014-01-22 14:53:19 +0100 | [diff] [blame] | 299 | val = bond_opt_get_val(BOND_OPT_XMIT_HASH, bond->params.xmit_policy); |
| 300 | |
| 301 | return sprintf(buf, "%s %d\n", val->string, bond->params.xmit_policy); |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 302 | } |
| 303 | |
Greg Kroah-Hartman | 43cb76d | 2002-04-09 12:14:34 -0700 | [diff] [blame] | 304 | static ssize_t bonding_store_xmit_hash(struct device *d, |
| 305 | struct device_attribute *attr, |
| 306 | const char *buf, size_t count) |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 307 | { |
Greg Kroah-Hartman | 43cb76d | 2002-04-09 12:14:34 -0700 | [diff] [blame] | 308 | struct bonding *bond = to_bond(d); |
Nikolay Aleksandrov | a4b32ce | 2014-01-22 14:53:19 +0100 | [diff] [blame] | 309 | int ret; |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 310 | |
Nikolay Aleksandrov | a4b32ce | 2014-01-22 14:53:19 +0100 | [diff] [blame] | 311 | ret = bond_opt_tryset_rtnl(bond, BOND_OPT_XMIT_HASH, (char *)buf); |
sfeldma@cumulusnetworks.com | f70161c | 2013-12-15 16:42:12 -0800 | [diff] [blame] | 312 | if (!ret) |
| 313 | ret = count; |
| 314 | |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 315 | return ret; |
| 316 | } |
Stephen Hemminger | 3d632c3 | 2009-06-12 19:02:48 +0000 | [diff] [blame] | 317 | static DEVICE_ATTR(xmit_hash_policy, S_IRUGO | S_IWUSR, |
| 318 | bonding_show_xmit_hash, bonding_store_xmit_hash); |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 319 | |
| 320 | /* |
Jay Vosburgh | f5b2b96 | 2006-09-22 21:54:53 -0700 | [diff] [blame] | 321 | * Show and set arp_validate. |
| 322 | */ |
Greg Kroah-Hartman | 43cb76d | 2002-04-09 12:14:34 -0700 | [diff] [blame] | 323 | static ssize_t bonding_show_arp_validate(struct device *d, |
| 324 | struct device_attribute *attr, |
| 325 | char *buf) |
Jay Vosburgh | f5b2b96 | 2006-09-22 21:54:53 -0700 | [diff] [blame] | 326 | { |
Greg Kroah-Hartman | 43cb76d | 2002-04-09 12:14:34 -0700 | [diff] [blame] | 327 | struct bonding *bond = to_bond(d); |
Nikolay Aleksandrov | 1622888 | 2014-01-22 14:53:20 +0100 | [diff] [blame^] | 328 | struct bond_opt_value *val; |
Jay Vosburgh | f5b2b96 | 2006-09-22 21:54:53 -0700 | [diff] [blame] | 329 | |
Nikolay Aleksandrov | 1622888 | 2014-01-22 14:53:20 +0100 | [diff] [blame^] | 330 | val = bond_opt_get_val(BOND_OPT_ARP_VALIDATE, |
| 331 | bond->params.arp_validate); |
| 332 | |
| 333 | return sprintf(buf, "%s %d\n", val->string, bond->params.arp_validate); |
Jay Vosburgh | f5b2b96 | 2006-09-22 21:54:53 -0700 | [diff] [blame] | 334 | } |
| 335 | |
Greg Kroah-Hartman | 43cb76d | 2002-04-09 12:14:34 -0700 | [diff] [blame] | 336 | static ssize_t bonding_store_arp_validate(struct device *d, |
| 337 | struct device_attribute *attr, |
| 338 | const char *buf, size_t count) |
Jay Vosburgh | f5b2b96 | 2006-09-22 21:54:53 -0700 | [diff] [blame] | 339 | { |
Greg Kroah-Hartman | 43cb76d | 2002-04-09 12:14:34 -0700 | [diff] [blame] | 340 | struct bonding *bond = to_bond(d); |
Nikolay Aleksandrov | 1622888 | 2014-01-22 14:53:20 +0100 | [diff] [blame^] | 341 | int ret; |
Jay Vosburgh | f5b2b96 | 2006-09-22 21:54:53 -0700 | [diff] [blame] | 342 | |
Nikolay Aleksandrov | 1622888 | 2014-01-22 14:53:20 +0100 | [diff] [blame^] | 343 | ret = bond_opt_tryset_rtnl(bond, BOND_OPT_ARP_VALIDATE, (char *)buf); |
sfeldma@cumulusnetworks.com | 29c4948 | 2013-12-12 14:10:38 -0800 | [diff] [blame] | 344 | if (!ret) |
| 345 | ret = count; |
| 346 | |
nikolay@redhat.com | 5c5038d | 2013-09-07 00:00:25 +0200 | [diff] [blame] | 347 | return ret; |
Jay Vosburgh | f5b2b96 | 2006-09-22 21:54:53 -0700 | [diff] [blame] | 348 | } |
| 349 | |
Stephen Hemminger | 3d632c3 | 2009-06-12 19:02:48 +0000 | [diff] [blame] | 350 | static DEVICE_ATTR(arp_validate, S_IRUGO | S_IWUSR, bonding_show_arp_validate, |
| 351 | bonding_store_arp_validate); |
Veaceslav Falico | 8599b52 | 2013-06-24 11:49:34 +0200 | [diff] [blame] | 352 | /* |
| 353 | * Show and set arp_all_targets. |
| 354 | */ |
| 355 | static ssize_t bonding_show_arp_all_targets(struct device *d, |
| 356 | struct device_attribute *attr, |
| 357 | char *buf) |
| 358 | { |
| 359 | struct bonding *bond = to_bond(d); |
| 360 | int value = bond->params.arp_all_targets; |
| 361 | |
| 362 | return sprintf(buf, "%s %d\n", arp_all_targets_tbl[value].modename, |
| 363 | value); |
| 364 | } |
| 365 | |
| 366 | static ssize_t bonding_store_arp_all_targets(struct device *d, |
| 367 | struct device_attribute *attr, |
| 368 | const char *buf, size_t count) |
| 369 | { |
| 370 | struct bonding *bond = to_bond(d); |
sfeldma@cumulusnetworks.com | d5c8425 | 2013-12-12 14:10:45 -0800 | [diff] [blame] | 371 | int new_value, ret; |
Veaceslav Falico | 8599b52 | 2013-06-24 11:49:34 +0200 | [diff] [blame] | 372 | |
| 373 | new_value = bond_parse_parm(buf, arp_all_targets_tbl); |
| 374 | if (new_value < 0) { |
| 375 | pr_err("%s: Ignoring invalid arp_all_targets value %s\n", |
| 376 | bond->dev->name, buf); |
| 377 | return -EINVAL; |
| 378 | } |
Veaceslav Falico | 8599b52 | 2013-06-24 11:49:34 +0200 | [diff] [blame] | 379 | |
sfeldma@cumulusnetworks.com | d5c8425 | 2013-12-12 14:10:45 -0800 | [diff] [blame] | 380 | if (!rtnl_trylock()) |
| 381 | return restart_syscall(); |
Veaceslav Falico | 8599b52 | 2013-06-24 11:49:34 +0200 | [diff] [blame] | 382 | |
sfeldma@cumulusnetworks.com | d5c8425 | 2013-12-12 14:10:45 -0800 | [diff] [blame] | 383 | ret = bond_option_arp_all_targets_set(bond, new_value); |
| 384 | if (!ret) |
| 385 | ret = count; |
| 386 | |
| 387 | rtnl_unlock(); |
| 388 | |
| 389 | return ret; |
Veaceslav Falico | 8599b52 | 2013-06-24 11:49:34 +0200 | [diff] [blame] | 390 | } |
| 391 | |
| 392 | static DEVICE_ATTR(arp_all_targets, S_IRUGO | S_IWUSR, |
| 393 | bonding_show_arp_all_targets, bonding_store_arp_all_targets); |
Jay Vosburgh | f5b2b96 | 2006-09-22 21:54:53 -0700 | [diff] [blame] | 394 | |
| 395 | /* |
Jay Vosburgh | dd957c5 | 2007-10-09 19:57:24 -0700 | [diff] [blame] | 396 | * Show and store fail_over_mac. User only allowed to change the |
| 397 | * value when there are no slaves. |
| 398 | */ |
Stephen Hemminger | 3d632c3 | 2009-06-12 19:02:48 +0000 | [diff] [blame] | 399 | static ssize_t bonding_show_fail_over_mac(struct device *d, |
| 400 | struct device_attribute *attr, |
| 401 | char *buf) |
Jay Vosburgh | dd957c5 | 2007-10-09 19:57:24 -0700 | [diff] [blame] | 402 | { |
| 403 | struct bonding *bond = to_bond(d); |
| 404 | |
Jay Vosburgh | 3915c1e8 | 2008-05-17 21:10:14 -0700 | [diff] [blame] | 405 | return sprintf(buf, "%s %d\n", |
| 406 | fail_over_mac_tbl[bond->params.fail_over_mac].modename, |
| 407 | bond->params.fail_over_mac); |
Jay Vosburgh | dd957c5 | 2007-10-09 19:57:24 -0700 | [diff] [blame] | 408 | } |
| 409 | |
Stephen Hemminger | 3d632c3 | 2009-06-12 19:02:48 +0000 | [diff] [blame] | 410 | static ssize_t bonding_store_fail_over_mac(struct device *d, |
| 411 | struct device_attribute *attr, |
| 412 | const char *buf, size_t count) |
Jay Vosburgh | dd957c5 | 2007-10-09 19:57:24 -0700 | [diff] [blame] | 413 | { |
sfeldma@cumulusnetworks.com | 8990197 | 2013-12-15 16:42:05 -0800 | [diff] [blame] | 414 | int new_value, ret; |
Jay Vosburgh | dd957c5 | 2007-10-09 19:57:24 -0700 | [diff] [blame] | 415 | struct bonding *bond = to_bond(d); |
| 416 | |
Jay Vosburgh | 3915c1e8 | 2008-05-17 21:10:14 -0700 | [diff] [blame] | 417 | new_value = bond_parse_parm(buf, fail_over_mac_tbl); |
| 418 | if (new_value < 0) { |
Joe Perches | a4aee5c | 2009-12-13 20:06:07 -0800 | [diff] [blame] | 419 | pr_err("%s: Ignoring invalid fail_over_mac value %s.\n", |
Jay Vosburgh | 3915c1e8 | 2008-05-17 21:10:14 -0700 | [diff] [blame] | 420 | bond->dev->name, buf); |
sfeldma@cumulusnetworks.com | 8990197 | 2013-12-15 16:42:05 -0800 | [diff] [blame] | 421 | return -EINVAL; |
Jay Vosburgh | dd957c5 | 2007-10-09 19:57:24 -0700 | [diff] [blame] | 422 | } |
| 423 | |
sfeldma@cumulusnetworks.com | 8990197 | 2013-12-15 16:42:05 -0800 | [diff] [blame] | 424 | if (!rtnl_trylock()) |
| 425 | return restart_syscall(); |
Jay Vosburgh | 3915c1e8 | 2008-05-17 21:10:14 -0700 | [diff] [blame] | 426 | |
sfeldma@cumulusnetworks.com | 8990197 | 2013-12-15 16:42:05 -0800 | [diff] [blame] | 427 | ret = bond_option_fail_over_mac_set(bond, new_value); |
| 428 | if (!ret) |
| 429 | ret = count; |
| 430 | |
dingtianhong | 9402b74 | 2013-07-23 15:25:39 +0800 | [diff] [blame] | 431 | rtnl_unlock(); |
| 432 | return ret; |
Jay Vosburgh | dd957c5 | 2007-10-09 19:57:24 -0700 | [diff] [blame] | 433 | } |
| 434 | |
Stephen Hemminger | 3d632c3 | 2009-06-12 19:02:48 +0000 | [diff] [blame] | 435 | static DEVICE_ATTR(fail_over_mac, S_IRUGO | S_IWUSR, |
| 436 | bonding_show_fail_over_mac, bonding_store_fail_over_mac); |
Jay Vosburgh | dd957c5 | 2007-10-09 19:57:24 -0700 | [diff] [blame] | 437 | |
| 438 | /* |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 439 | * Show and set the arp timer interval. There are two tricky bits |
| 440 | * here. First, if ARP monitoring is activated, then we must disable |
| 441 | * MII monitoring. Second, if the ARP timer isn't running, we must |
| 442 | * start it. |
| 443 | */ |
Greg Kroah-Hartman | 43cb76d | 2002-04-09 12:14:34 -0700 | [diff] [blame] | 444 | static ssize_t bonding_show_arp_interval(struct device *d, |
| 445 | struct device_attribute *attr, |
| 446 | char *buf) |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 447 | { |
Greg Kroah-Hartman | 43cb76d | 2002-04-09 12:14:34 -0700 | [diff] [blame] | 448 | struct bonding *bond = to_bond(d); |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 449 | |
Wagner Ferenc | 7bd4650 | 2007-12-06 23:40:28 -0800 | [diff] [blame] | 450 | return sprintf(buf, "%d\n", bond->params.arp_interval); |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 451 | } |
| 452 | |
Greg Kroah-Hartman | 43cb76d | 2002-04-09 12:14:34 -0700 | [diff] [blame] | 453 | static ssize_t bonding_store_arp_interval(struct device *d, |
| 454 | struct device_attribute *attr, |
| 455 | const char *buf, size_t count) |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 456 | { |
Greg Kroah-Hartman | 43cb76d | 2002-04-09 12:14:34 -0700 | [diff] [blame] | 457 | struct bonding *bond = to_bond(d); |
sfeldma@cumulusnetworks.com | 06151db | 2013-12-12 14:10:24 -0800 | [diff] [blame] | 458 | int new_value, ret; |
| 459 | |
| 460 | if (sscanf(buf, "%d", &new_value) != 1) { |
| 461 | pr_err("%s: no arp_interval value specified.\n", |
| 462 | bond->dev->name); |
| 463 | return -EINVAL; |
| 464 | } |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 465 | |
nikolay@redhat.com | fbb0c41 | 2012-11-29 01:31:31 +0000 | [diff] [blame] | 466 | if (!rtnl_trylock()) |
| 467 | return restart_syscall(); |
sfeldma@cumulusnetworks.com | 06151db | 2013-12-12 14:10:24 -0800 | [diff] [blame] | 468 | |
| 469 | ret = bond_option_arp_interval_set(bond, new_value); |
| 470 | if (!ret) |
| 471 | ret = count; |
| 472 | |
nikolay@redhat.com | fbb0c41 | 2012-11-29 01:31:31 +0000 | [diff] [blame] | 473 | rtnl_unlock(); |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 474 | return ret; |
| 475 | } |
Stephen Hemminger | 3d632c3 | 2009-06-12 19:02:48 +0000 | [diff] [blame] | 476 | static DEVICE_ATTR(arp_interval, S_IRUGO | S_IWUSR, |
| 477 | bonding_show_arp_interval, bonding_store_arp_interval); |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 478 | |
| 479 | /* |
| 480 | * Show and set the arp targets. |
| 481 | */ |
Greg Kroah-Hartman | 43cb76d | 2002-04-09 12:14:34 -0700 | [diff] [blame] | 482 | static ssize_t bonding_show_arp_targets(struct device *d, |
| 483 | struct device_attribute *attr, |
| 484 | char *buf) |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 485 | { |
| 486 | int i, res = 0; |
Greg Kroah-Hartman | 43cb76d | 2002-04-09 12:14:34 -0700 | [diff] [blame] | 487 | struct bonding *bond = to_bond(d); |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 488 | |
| 489 | for (i = 0; i < BOND_MAX_ARP_TARGETS; i++) { |
| 490 | if (bond->params.arp_targets[i]) |
Harvey Harrison | 6377943 | 2008-10-31 00:56:00 -0700 | [diff] [blame] | 491 | res += sprintf(buf + res, "%pI4 ", |
| 492 | &bond->params.arp_targets[i]); |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 493 | } |
Wagner Ferenc | 1dcdcd6 | 2007-12-06 23:40:31 -0800 | [diff] [blame] | 494 | if (res) |
| 495 | buf[res-1] = '\n'; /* eat the leftover space */ |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 496 | return res; |
| 497 | } |
| 498 | |
Greg Kroah-Hartman | 43cb76d | 2002-04-09 12:14:34 -0700 | [diff] [blame] | 499 | static ssize_t bonding_store_arp_targets(struct device *d, |
| 500 | struct device_attribute *attr, |
| 501 | const char *buf, size_t count) |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 502 | { |
Greg Kroah-Hartman | 43cb76d | 2002-04-09 12:14:34 -0700 | [diff] [blame] | 503 | struct bonding *bond = to_bond(d); |
sfeldma@cumulusnetworks.com | 7f28fa1 | 2013-12-12 14:10:31 -0800 | [diff] [blame] | 504 | __be32 target; |
| 505 | int ret = -EPERM; |
| 506 | |
| 507 | if (!in4_pton(buf + 1, -1, (u8 *)&target, -1, NULL)) { |
| 508 | pr_err("%s: invalid ARP target %pI4 specified\n", |
| 509 | bond->dev->name, &target); |
| 510 | return -EPERM; |
| 511 | } |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 512 | |
dingtianhong | 4d1ae5f | 2013-10-15 16:28:42 +0800 | [diff] [blame] | 513 | if (!rtnl_trylock()) |
| 514 | return restart_syscall(); |
| 515 | |
sfeldma@cumulusnetworks.com | 7f28fa1 | 2013-12-12 14:10:31 -0800 | [diff] [blame] | 516 | if (buf[0] == '+') |
| 517 | ret = bond_option_arp_ip_target_add(bond, target); |
| 518 | else if (buf[0] == '-') |
| 519 | ret = bond_option_arp_ip_target_rem(bond, target); |
| 520 | else |
Joe Perches | a4aee5c | 2009-12-13 20:06:07 -0800 | [diff] [blame] | 521 | pr_err("no command found in arp_ip_targets file for bond %s. Use +<addr> or -<addr>.\n", |
| 522 | bond->dev->name); |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 523 | |
sfeldma@cumulusnetworks.com | 7f28fa1 | 2013-12-12 14:10:31 -0800 | [diff] [blame] | 524 | if (!ret) |
| 525 | ret = count; |
| 526 | |
dingtianhong | 4d1ae5f | 2013-10-15 16:28:42 +0800 | [diff] [blame] | 527 | rtnl_unlock(); |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 528 | return ret; |
| 529 | } |
Greg Kroah-Hartman | 43cb76d | 2002-04-09 12:14:34 -0700 | [diff] [blame] | 530 | static DEVICE_ATTR(arp_ip_target, S_IRUGO | S_IWUSR , bonding_show_arp_targets, bonding_store_arp_targets); |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 531 | |
| 532 | /* |
| 533 | * Show and set the up and down delays. These must be multiples of the |
| 534 | * MII monitoring value, and are stored internally as the multiplier. |
| 535 | * Thus, we must translate to MS for the real world. |
| 536 | */ |
Greg Kroah-Hartman | 43cb76d | 2002-04-09 12:14:34 -0700 | [diff] [blame] | 537 | static ssize_t bonding_show_downdelay(struct device *d, |
| 538 | struct device_attribute *attr, |
| 539 | char *buf) |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 540 | { |
Greg Kroah-Hartman | 43cb76d | 2002-04-09 12:14:34 -0700 | [diff] [blame] | 541 | struct bonding *bond = to_bond(d); |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 542 | |
Wagner Ferenc | 7bd4650 | 2007-12-06 23:40:28 -0800 | [diff] [blame] | 543 | return sprintf(buf, "%d\n", bond->params.downdelay * bond->params.miimon); |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 544 | } |
| 545 | |
Greg Kroah-Hartman | 43cb76d | 2002-04-09 12:14:34 -0700 | [diff] [blame] | 546 | static ssize_t bonding_store_downdelay(struct device *d, |
| 547 | struct device_attribute *attr, |
| 548 | const char *buf, size_t count) |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 549 | { |
sfeldma@cumulusnetworks.com | c7461f9 | 2013-12-12 14:10:09 -0800 | [diff] [blame] | 550 | int new_value, ret; |
Greg Kroah-Hartman | 43cb76d | 2002-04-09 12:14:34 -0700 | [diff] [blame] | 551 | struct bonding *bond = to_bond(d); |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 552 | |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 553 | if (sscanf(buf, "%d", &new_value) != 1) { |
Joe Perches | a4aee5c | 2009-12-13 20:06:07 -0800 | [diff] [blame] | 554 | pr_err("%s: no down delay value specified.\n", bond->dev->name); |
sfeldma@cumulusnetworks.com | c7461f9 | 2013-12-12 14:10:09 -0800 | [diff] [blame] | 555 | return -EINVAL; |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 556 | } |
| 557 | |
sfeldma@cumulusnetworks.com | c7461f9 | 2013-12-12 14:10:09 -0800 | [diff] [blame] | 558 | if (!rtnl_trylock()) |
| 559 | return restart_syscall(); |
| 560 | |
| 561 | ret = bond_option_downdelay_set(bond, new_value); |
| 562 | if (!ret) |
| 563 | ret = count; |
| 564 | |
Nikolay Aleksandrov | b869ccf | 2013-11-13 17:07:46 +0100 | [diff] [blame] | 565 | rtnl_unlock(); |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 566 | return ret; |
| 567 | } |
Stephen Hemminger | 3d632c3 | 2009-06-12 19:02:48 +0000 | [diff] [blame] | 568 | static DEVICE_ATTR(downdelay, S_IRUGO | S_IWUSR, |
| 569 | bonding_show_downdelay, bonding_store_downdelay); |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 570 | |
Greg Kroah-Hartman | 43cb76d | 2002-04-09 12:14:34 -0700 | [diff] [blame] | 571 | static ssize_t bonding_show_updelay(struct device *d, |
| 572 | struct device_attribute *attr, |
| 573 | char *buf) |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 574 | { |
Greg Kroah-Hartman | 43cb76d | 2002-04-09 12:14:34 -0700 | [diff] [blame] | 575 | struct bonding *bond = to_bond(d); |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 576 | |
Wagner Ferenc | 7bd4650 | 2007-12-06 23:40:28 -0800 | [diff] [blame] | 577 | return sprintf(buf, "%d\n", bond->params.updelay * bond->params.miimon); |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 578 | |
| 579 | } |
| 580 | |
Greg Kroah-Hartman | 43cb76d | 2002-04-09 12:14:34 -0700 | [diff] [blame] | 581 | static ssize_t bonding_store_updelay(struct device *d, |
| 582 | struct device_attribute *attr, |
| 583 | const char *buf, size_t count) |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 584 | { |
sfeldma@cumulusnetworks.com | 25852e2 | 2013-12-12 14:10:02 -0800 | [diff] [blame] | 585 | int new_value, ret; |
Greg Kroah-Hartman | 43cb76d | 2002-04-09 12:14:34 -0700 | [diff] [blame] | 586 | struct bonding *bond = to_bond(d); |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 587 | |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 588 | if (sscanf(buf, "%d", &new_value) != 1) { |
Joe Perches | a4aee5c | 2009-12-13 20:06:07 -0800 | [diff] [blame] | 589 | pr_err("%s: no up delay value specified.\n", |
sfeldma@cumulusnetworks.com | 25852e2 | 2013-12-12 14:10:02 -0800 | [diff] [blame] | 590 | bond->dev->name); |
| 591 | return -EINVAL; |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 592 | } |
| 593 | |
sfeldma@cumulusnetworks.com | 25852e2 | 2013-12-12 14:10:02 -0800 | [diff] [blame] | 594 | if (!rtnl_trylock()) |
| 595 | return restart_syscall(); |
| 596 | |
| 597 | ret = bond_option_updelay_set(bond, new_value); |
| 598 | if (!ret) |
| 599 | ret = count; |
| 600 | |
Nikolay Aleksandrov | b869ccf | 2013-11-13 17:07:46 +0100 | [diff] [blame] | 601 | rtnl_unlock(); |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 602 | return ret; |
| 603 | } |
Stephen Hemminger | 3d632c3 | 2009-06-12 19:02:48 +0000 | [diff] [blame] | 604 | static DEVICE_ATTR(updelay, S_IRUGO | S_IWUSR, |
| 605 | bonding_show_updelay, bonding_store_updelay); |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 606 | |
| 607 | /* |
| 608 | * Show and set the LACP interval. Interface must be down, and the mode |
| 609 | * must be set to 802.3ad mode. |
| 610 | */ |
Greg Kroah-Hartman | 43cb76d | 2002-04-09 12:14:34 -0700 | [diff] [blame] | 611 | static ssize_t bonding_show_lacp(struct device *d, |
| 612 | struct device_attribute *attr, |
| 613 | char *buf) |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 614 | { |
Greg Kroah-Hartman | 43cb76d | 2002-04-09 12:14:34 -0700 | [diff] [blame] | 615 | struct bonding *bond = to_bond(d); |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 616 | |
| 617 | return sprintf(buf, "%s %d\n", |
| 618 | bond_lacp_tbl[bond->params.lacp_fast].modename, |
Wagner Ferenc | 7bd4650 | 2007-12-06 23:40:28 -0800 | [diff] [blame] | 619 | bond->params.lacp_fast); |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 620 | } |
| 621 | |
Greg Kroah-Hartman | 43cb76d | 2002-04-09 12:14:34 -0700 | [diff] [blame] | 622 | static ssize_t bonding_store_lacp(struct device *d, |
| 623 | struct device_attribute *attr, |
| 624 | const char *buf, size_t count) |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 625 | { |
Greg Kroah-Hartman | 43cb76d | 2002-04-09 12:14:34 -0700 | [diff] [blame] | 626 | struct bonding *bond = to_bond(d); |
sfeldma@cumulusnetworks.com | 998e40bb | 2014-01-03 14:18:41 -0800 | [diff] [blame] | 627 | int new_value, ret; |
| 628 | |
| 629 | new_value = bond_parse_parm(buf, bond_lacp_tbl); |
| 630 | if (new_value < 0) { |
| 631 | pr_err("%s: Ignoring invalid LACP rate value %.*s.\n", |
| 632 | bond->dev->name, (int)strlen(buf) - 1, buf); |
| 633 | return -EINVAL; |
| 634 | } |
nikolay@redhat.com | c509316 | 2013-09-02 13:51:40 +0200 | [diff] [blame] | 635 | |
| 636 | if (!rtnl_trylock()) |
| 637 | return restart_syscall(); |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 638 | |
sfeldma@cumulusnetworks.com | 998e40bb | 2014-01-03 14:18:41 -0800 | [diff] [blame] | 639 | ret = bond_option_lacp_rate_set(bond, new_value); |
| 640 | if (!ret) |
| 641 | ret = count; |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 642 | |
nikolay@redhat.com | c509316 | 2013-09-02 13:51:40 +0200 | [diff] [blame] | 643 | rtnl_unlock(); |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 644 | return ret; |
| 645 | } |
Stephen Hemminger | 3d632c3 | 2009-06-12 19:02:48 +0000 | [diff] [blame] | 646 | static DEVICE_ATTR(lacp_rate, S_IRUGO | S_IWUSR, |
| 647 | bonding_show_lacp, bonding_store_lacp); |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 648 | |
stephen hemminger | 655f891 | 2011-06-22 09:54:39 +0000 | [diff] [blame] | 649 | static ssize_t bonding_show_min_links(struct device *d, |
| 650 | struct device_attribute *attr, |
| 651 | char *buf) |
| 652 | { |
| 653 | struct bonding *bond = to_bond(d); |
| 654 | |
| 655 | return sprintf(buf, "%d\n", bond->params.min_links); |
| 656 | } |
| 657 | |
| 658 | static ssize_t bonding_store_min_links(struct device *d, |
| 659 | struct device_attribute *attr, |
| 660 | const char *buf, size_t count) |
| 661 | { |
| 662 | struct bonding *bond = to_bond(d); |
| 663 | int ret; |
| 664 | unsigned int new_value; |
| 665 | |
| 666 | ret = kstrtouint(buf, 0, &new_value); |
| 667 | if (ret < 0) { |
| 668 | pr_err("%s: Ignoring invalid min links value %s.\n", |
| 669 | bond->dev->name, buf); |
| 670 | return ret; |
| 671 | } |
| 672 | |
sfeldma@cumulusnetworks.com | 7d10100 | 2013-12-17 21:30:23 -0800 | [diff] [blame] | 673 | if (!rtnl_trylock()) |
| 674 | return restart_syscall(); |
| 675 | |
| 676 | ret = bond_option_min_links_set(bond, new_value); |
| 677 | if (!ret) |
| 678 | ret = count; |
| 679 | |
| 680 | rtnl_unlock(); |
| 681 | return ret; |
stephen hemminger | 655f891 | 2011-06-22 09:54:39 +0000 | [diff] [blame] | 682 | } |
| 683 | static DEVICE_ATTR(min_links, S_IRUGO | S_IWUSR, |
| 684 | bonding_show_min_links, bonding_store_min_links); |
| 685 | |
Jay Vosburgh | fd989c8 | 2008-11-04 17:51:16 -0800 | [diff] [blame] | 686 | static ssize_t bonding_show_ad_select(struct device *d, |
| 687 | struct device_attribute *attr, |
| 688 | char *buf) |
| 689 | { |
| 690 | struct bonding *bond = to_bond(d); |
| 691 | |
| 692 | return sprintf(buf, "%s %d\n", |
| 693 | ad_select_tbl[bond->params.ad_select].modename, |
| 694 | bond->params.ad_select); |
| 695 | } |
| 696 | |
| 697 | |
| 698 | static ssize_t bonding_store_ad_select(struct device *d, |
| 699 | struct device_attribute *attr, |
| 700 | const char *buf, size_t count) |
| 701 | { |
sfeldma@cumulusnetworks.com | ec029fa | 2014-01-03 14:18:49 -0800 | [diff] [blame] | 702 | int new_value, ret; |
Jay Vosburgh | fd989c8 | 2008-11-04 17:51:16 -0800 | [diff] [blame] | 703 | struct bonding *bond = to_bond(d); |
| 704 | |
Jay Vosburgh | fd989c8 | 2008-11-04 17:51:16 -0800 | [diff] [blame] | 705 | new_value = bond_parse_parm(buf, ad_select_tbl); |
sfeldma@cumulusnetworks.com | ec029fa | 2014-01-03 14:18:49 -0800 | [diff] [blame] | 706 | if (new_value < 0) { |
Joe Perches | a4aee5c | 2009-12-13 20:06:07 -0800 | [diff] [blame] | 707 | pr_err("%s: Ignoring invalid ad_select value %.*s.\n", |
Jay Vosburgh | fd989c8 | 2008-11-04 17:51:16 -0800 | [diff] [blame] | 708 | bond->dev->name, (int)strlen(buf) - 1, buf); |
sfeldma@cumulusnetworks.com | ec029fa | 2014-01-03 14:18:49 -0800 | [diff] [blame] | 709 | return -EINVAL; |
Jay Vosburgh | fd989c8 | 2008-11-04 17:51:16 -0800 | [diff] [blame] | 710 | } |
sfeldma@cumulusnetworks.com | ec029fa | 2014-01-03 14:18:49 -0800 | [diff] [blame] | 711 | |
| 712 | if (!rtnl_trylock()) |
| 713 | return restart_syscall(); |
| 714 | |
| 715 | ret = bond_option_ad_select_set(bond, new_value); |
| 716 | if (!ret) |
| 717 | ret = count; |
| 718 | |
| 719 | rtnl_unlock(); |
Jay Vosburgh | fd989c8 | 2008-11-04 17:51:16 -0800 | [diff] [blame] | 720 | return ret; |
| 721 | } |
Stephen Hemminger | 3d632c3 | 2009-06-12 19:02:48 +0000 | [diff] [blame] | 722 | static DEVICE_ATTR(ad_select, S_IRUGO | S_IWUSR, |
| 723 | bonding_show_ad_select, bonding_store_ad_select); |
Jay Vosburgh | fd989c8 | 2008-11-04 17:51:16 -0800 | [diff] [blame] | 724 | |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 725 | /* |
Ben Hutchings | ad246c9 | 2011-04-26 15:25:52 +0000 | [diff] [blame] | 726 | * Show and set the number of peer notifications to send after a failover event. |
| 727 | */ |
| 728 | static ssize_t bonding_show_num_peer_notif(struct device *d, |
| 729 | struct device_attribute *attr, |
| 730 | char *buf) |
| 731 | { |
| 732 | struct bonding *bond = to_bond(d); |
| 733 | return sprintf(buf, "%d\n", bond->params.num_peer_notif); |
| 734 | } |
| 735 | |
| 736 | static ssize_t bonding_store_num_peer_notif(struct device *d, |
| 737 | struct device_attribute *attr, |
| 738 | const char *buf, size_t count) |
| 739 | { |
| 740 | struct bonding *bond = to_bond(d); |
sfeldma@cumulusnetworks.com | 2c9839c | 2013-12-17 21:30:09 -0800 | [diff] [blame] | 741 | u8 new_value; |
| 742 | int ret; |
| 743 | |
| 744 | ret = kstrtou8(buf, 10, &new_value); |
Veaceslav Falico | 0b23810 | 2014-01-06 11:54:40 +0100 | [diff] [blame] | 745 | if (ret) { |
sfeldma@cumulusnetworks.com | 2c9839c | 2013-12-17 21:30:09 -0800 | [diff] [blame] | 746 | pr_err("%s: invalid value %s specified.\n", |
| 747 | bond->dev->name, buf); |
| 748 | return ret; |
| 749 | } |
| 750 | |
| 751 | if (!rtnl_trylock()) |
| 752 | return restart_syscall(); |
| 753 | |
| 754 | ret = bond_option_num_peer_notif_set(bond, new_value); |
| 755 | if (!ret) |
| 756 | ret = count; |
| 757 | |
| 758 | rtnl_unlock(); |
| 759 | return ret; |
Ben Hutchings | ad246c9 | 2011-04-26 15:25:52 +0000 | [diff] [blame] | 760 | } |
| 761 | static DEVICE_ATTR(num_grat_arp, S_IRUGO | S_IWUSR, |
| 762 | bonding_show_num_peer_notif, bonding_store_num_peer_notif); |
| 763 | static DEVICE_ATTR(num_unsol_na, S_IRUGO | S_IWUSR, |
| 764 | bonding_show_num_peer_notif, bonding_store_num_peer_notif); |
| 765 | |
| 766 | /* |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 767 | * Show and set the MII monitor interval. There are two tricky bits |
| 768 | * here. First, if MII monitoring is activated, then we must disable |
| 769 | * ARP monitoring. Second, if the timer isn't running, we must |
| 770 | * start it. |
| 771 | */ |
Greg Kroah-Hartman | 43cb76d | 2002-04-09 12:14:34 -0700 | [diff] [blame] | 772 | static ssize_t bonding_show_miimon(struct device *d, |
| 773 | struct device_attribute *attr, |
| 774 | char *buf) |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 775 | { |
Greg Kroah-Hartman | 43cb76d | 2002-04-09 12:14:34 -0700 | [diff] [blame] | 776 | struct bonding *bond = to_bond(d); |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 777 | |
Wagner Ferenc | 7bd4650 | 2007-12-06 23:40:28 -0800 | [diff] [blame] | 778 | return sprintf(buf, "%d\n", bond->params.miimon); |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 779 | } |
| 780 | |
Greg Kroah-Hartman | 43cb76d | 2002-04-09 12:14:34 -0700 | [diff] [blame] | 781 | static ssize_t bonding_store_miimon(struct device *d, |
| 782 | struct device_attribute *attr, |
| 783 | const char *buf, size_t count) |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 784 | { |
sfeldma@cumulusnetworks.com | eecdaa6 | 2013-12-12 14:09:55 -0800 | [diff] [blame] | 785 | int new_value, ret; |
Greg Kroah-Hartman | 43cb76d | 2002-04-09 12:14:34 -0700 | [diff] [blame] | 786 | struct bonding *bond = to_bond(d); |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 787 | |
| 788 | if (sscanf(buf, "%d", &new_value) != 1) { |
Joe Perches | a4aee5c | 2009-12-13 20:06:07 -0800 | [diff] [blame] | 789 | pr_err("%s: no miimon value specified.\n", |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 790 | bond->dev->name); |
sfeldma@cumulusnetworks.com | eecdaa6 | 2013-12-12 14:09:55 -0800 | [diff] [blame] | 791 | return -EINVAL; |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 792 | } |
sfeldma@cumulusnetworks.com | eecdaa6 | 2013-12-12 14:09:55 -0800 | [diff] [blame] | 793 | |
| 794 | if (!rtnl_trylock()) |
| 795 | return restart_syscall(); |
| 796 | |
| 797 | ret = bond_option_miimon_set(bond, new_value); |
| 798 | if (!ret) |
| 799 | ret = count; |
| 800 | |
nikolay@redhat.com | fbb0c41 | 2012-11-29 01:31:31 +0000 | [diff] [blame] | 801 | rtnl_unlock(); |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 802 | return ret; |
| 803 | } |
Stephen Hemminger | 3d632c3 | 2009-06-12 19:02:48 +0000 | [diff] [blame] | 804 | static DEVICE_ATTR(miimon, S_IRUGO | S_IWUSR, |
| 805 | bonding_show_miimon, bonding_store_miimon); |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 806 | |
| 807 | /* |
| 808 | * Show and set the primary slave. The store function is much |
| 809 | * simpler than bonding_store_slaves function because it only needs to |
| 810 | * handle one interface name. |
| 811 | * The bond must be a mode that supports a primary for this be |
| 812 | * set. |
| 813 | */ |
Greg Kroah-Hartman | 43cb76d | 2002-04-09 12:14:34 -0700 | [diff] [blame] | 814 | static ssize_t bonding_show_primary(struct device *d, |
| 815 | struct device_attribute *attr, |
| 816 | char *buf) |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 817 | { |
| 818 | int count = 0; |
Greg Kroah-Hartman | 43cb76d | 2002-04-09 12:14:34 -0700 | [diff] [blame] | 819 | struct bonding *bond = to_bond(d); |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 820 | |
| 821 | if (bond->primary_slave) |
Wagner Ferenc | 7bd4650 | 2007-12-06 23:40:28 -0800 | [diff] [blame] | 822 | count = sprintf(buf, "%s\n", bond->primary_slave->dev->name); |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 823 | |
| 824 | return count; |
| 825 | } |
| 826 | |
Greg Kroah-Hartman | 43cb76d | 2002-04-09 12:14:34 -0700 | [diff] [blame] | 827 | static ssize_t bonding_store_primary(struct device *d, |
| 828 | struct device_attribute *attr, |
| 829 | const char *buf, size_t count) |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 830 | { |
Greg Kroah-Hartman | 43cb76d | 2002-04-09 12:14:34 -0700 | [diff] [blame] | 831 | struct bonding *bond = to_bond(d); |
Andy Gospodarek | f4bb2e9 | 2011-07-26 11:12:27 +0000 | [diff] [blame] | 832 | char ifname[IFNAMSIZ]; |
sfeldma@cumulusnetworks.com | 0a98a0d | 2013-12-15 16:41:51 -0800 | [diff] [blame] | 833 | int ret; |
| 834 | |
| 835 | sscanf(buf, "%15s", ifname); /* IFNAMSIZ */ |
| 836 | if (ifname[0] == '\n') |
| 837 | ifname[0] = '\0'; |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 838 | |
Eric W. Biederman | 496a60c | 2009-05-13 17:02:50 +0000 | [diff] [blame] | 839 | if (!rtnl_trylock()) |
| 840 | return restart_syscall(); |
Jay Vosburgh | e934dd7 | 2008-01-17 16:24:57 -0800 | [diff] [blame] | 841 | |
sfeldma@cumulusnetworks.com | 0a98a0d | 2013-12-15 16:41:51 -0800 | [diff] [blame] | 842 | ret = bond_option_primary_set(bond, ifname); |
| 843 | if (!ret) |
| 844 | ret = count; |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 845 | |
Jay Vosburgh | 6603a6f | 2007-10-17 17:37:50 -0700 | [diff] [blame] | 846 | rtnl_unlock(); |
sfeldma@cumulusnetworks.com | 0a98a0d | 2013-12-15 16:41:51 -0800 | [diff] [blame] | 847 | return ret; |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 848 | } |
Stephen Hemminger | 3d632c3 | 2009-06-12 19:02:48 +0000 | [diff] [blame] | 849 | static DEVICE_ATTR(primary, S_IRUGO | S_IWUSR, |
| 850 | bonding_show_primary, bonding_store_primary); |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 851 | |
| 852 | /* |
Jiri Pirko | a549952 | 2009-09-25 03:28:09 +0000 | [diff] [blame] | 853 | * Show and set the primary_reselect flag. |
| 854 | */ |
| 855 | static ssize_t bonding_show_primary_reselect(struct device *d, |
| 856 | struct device_attribute *attr, |
| 857 | char *buf) |
| 858 | { |
| 859 | struct bonding *bond = to_bond(d); |
| 860 | |
| 861 | return sprintf(buf, "%s %d\n", |
| 862 | pri_reselect_tbl[bond->params.primary_reselect].modename, |
| 863 | bond->params.primary_reselect); |
| 864 | } |
| 865 | |
| 866 | static ssize_t bonding_store_primary_reselect(struct device *d, |
| 867 | struct device_attribute *attr, |
| 868 | const char *buf, size_t count) |
| 869 | { |
sfeldma@cumulusnetworks.com | 8a41ae4 | 2013-12-15 16:41:58 -0800 | [diff] [blame] | 870 | int new_value, ret; |
Jiri Pirko | a549952 | 2009-09-25 03:28:09 +0000 | [diff] [blame] | 871 | struct bonding *bond = to_bond(d); |
| 872 | |
Jiri Pirko | a549952 | 2009-09-25 03:28:09 +0000 | [diff] [blame] | 873 | new_value = bond_parse_parm(buf, pri_reselect_tbl); |
| 874 | if (new_value < 0) { |
Joe Perches | a4aee5c | 2009-12-13 20:06:07 -0800 | [diff] [blame] | 875 | pr_err("%s: Ignoring invalid primary_reselect value %.*s.\n", |
Jiri Pirko | a549952 | 2009-09-25 03:28:09 +0000 | [diff] [blame] | 876 | bond->dev->name, |
| 877 | (int) strlen(buf) - 1, buf); |
sfeldma@cumulusnetworks.com | 8a41ae4 | 2013-12-15 16:41:58 -0800 | [diff] [blame] | 878 | return -EINVAL; |
Jiri Pirko | a549952 | 2009-09-25 03:28:09 +0000 | [diff] [blame] | 879 | } |
| 880 | |
sfeldma@cumulusnetworks.com | 8a41ae4 | 2013-12-15 16:41:58 -0800 | [diff] [blame] | 881 | if (!rtnl_trylock()) |
| 882 | return restart_syscall(); |
Jiri Pirko | a549952 | 2009-09-25 03:28:09 +0000 | [diff] [blame] | 883 | |
sfeldma@cumulusnetworks.com | 8a41ae4 | 2013-12-15 16:41:58 -0800 | [diff] [blame] | 884 | ret = bond_option_primary_reselect_set(bond, new_value); |
| 885 | if (!ret) |
| 886 | ret = count; |
| 887 | |
Jiri Pirko | a549952 | 2009-09-25 03:28:09 +0000 | [diff] [blame] | 888 | rtnl_unlock(); |
| 889 | return ret; |
| 890 | } |
| 891 | static DEVICE_ATTR(primary_reselect, S_IRUGO | S_IWUSR, |
| 892 | bonding_show_primary_reselect, |
| 893 | bonding_store_primary_reselect); |
| 894 | |
| 895 | /* |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 896 | * Show and set the use_carrier flag. |
| 897 | */ |
Greg Kroah-Hartman | 43cb76d | 2002-04-09 12:14:34 -0700 | [diff] [blame] | 898 | static ssize_t bonding_show_carrier(struct device *d, |
| 899 | struct device_attribute *attr, |
| 900 | char *buf) |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 901 | { |
Greg Kroah-Hartman | 43cb76d | 2002-04-09 12:14:34 -0700 | [diff] [blame] | 902 | struct bonding *bond = to_bond(d); |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 903 | |
Wagner Ferenc | 7bd4650 | 2007-12-06 23:40:28 -0800 | [diff] [blame] | 904 | return sprintf(buf, "%d\n", bond->params.use_carrier); |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 905 | } |
| 906 | |
Greg Kroah-Hartman | 43cb76d | 2002-04-09 12:14:34 -0700 | [diff] [blame] | 907 | static ssize_t bonding_store_carrier(struct device *d, |
| 908 | struct device_attribute *attr, |
| 909 | const char *buf, size_t count) |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 910 | { |
sfeldma@cumulusnetworks.com | 9f53e14 | 2013-12-12 14:10:16 -0800 | [diff] [blame] | 911 | int new_value, ret; |
Greg Kroah-Hartman | 43cb76d | 2002-04-09 12:14:34 -0700 | [diff] [blame] | 912 | struct bonding *bond = to_bond(d); |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 913 | |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 914 | if (sscanf(buf, "%d", &new_value) != 1) { |
Joe Perches | a4aee5c | 2009-12-13 20:06:07 -0800 | [diff] [blame] | 915 | pr_err("%s: no use_carrier value specified.\n", |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 916 | bond->dev->name); |
sfeldma@cumulusnetworks.com | 9f53e14 | 2013-12-12 14:10:16 -0800 | [diff] [blame] | 917 | return -EINVAL; |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 918 | } |
sfeldma@cumulusnetworks.com | 9f53e14 | 2013-12-12 14:10:16 -0800 | [diff] [blame] | 919 | |
| 920 | if (!rtnl_trylock()) |
| 921 | return restart_syscall(); |
| 922 | |
| 923 | ret = bond_option_use_carrier_set(bond, new_value); |
| 924 | if (!ret) |
| 925 | ret = count; |
| 926 | |
| 927 | rtnl_unlock(); |
Jiri Pirko | 672bda3 | 2011-01-25 11:03:25 +0000 | [diff] [blame] | 928 | return ret; |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 929 | } |
Stephen Hemminger | 3d632c3 | 2009-06-12 19:02:48 +0000 | [diff] [blame] | 930 | static DEVICE_ATTR(use_carrier, S_IRUGO | S_IWUSR, |
| 931 | bonding_show_carrier, bonding_store_carrier); |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 932 | |
| 933 | |
| 934 | /* |
| 935 | * Show and set currently active_slave. |
| 936 | */ |
Greg Kroah-Hartman | 43cb76d | 2002-04-09 12:14:34 -0700 | [diff] [blame] | 937 | static ssize_t bonding_show_active_slave(struct device *d, |
| 938 | struct device_attribute *attr, |
| 939 | char *buf) |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 940 | { |
Greg Kroah-Hartman | 43cb76d | 2002-04-09 12:14:34 -0700 | [diff] [blame] | 941 | struct bonding *bond = to_bond(d); |
Jiri Pirko | 752d48b | 2013-10-18 17:43:37 +0200 | [diff] [blame] | 942 | struct net_device *slave_dev; |
Wagner Ferenc | 16cd016 | 2007-12-06 23:40:29 -0800 | [diff] [blame] | 943 | int count = 0; |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 944 | |
nikolay@redhat.com | 278b208 | 2013-08-01 16:54:51 +0200 | [diff] [blame] | 945 | rcu_read_lock(); |
Jiri Pirko | 752d48b | 2013-10-18 17:43:37 +0200 | [diff] [blame] | 946 | slave_dev = bond_option_active_slave_get_rcu(bond); |
| 947 | if (slave_dev) |
| 948 | count = sprintf(buf, "%s\n", slave_dev->name); |
nikolay@redhat.com | 278b208 | 2013-08-01 16:54:51 +0200 | [diff] [blame] | 949 | rcu_read_unlock(); |
| 950 | |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 951 | return count; |
| 952 | } |
| 953 | |
Greg Kroah-Hartman | 43cb76d | 2002-04-09 12:14:34 -0700 | [diff] [blame] | 954 | static ssize_t bonding_store_active_slave(struct device *d, |
| 955 | struct device_attribute *attr, |
| 956 | const char *buf, size_t count) |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 957 | { |
Jiri Pirko | d9e32b2 | 2013-10-18 17:43:35 +0200 | [diff] [blame] | 958 | int ret; |
Greg Kroah-Hartman | 43cb76d | 2002-04-09 12:14:34 -0700 | [diff] [blame] | 959 | struct bonding *bond = to_bond(d); |
Andy Gospodarek | f4bb2e9 | 2011-07-26 11:12:27 +0000 | [diff] [blame] | 960 | char ifname[IFNAMSIZ]; |
Jiri Pirko | d9e32b2 | 2013-10-18 17:43:35 +0200 | [diff] [blame] | 961 | struct net_device *dev; |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 962 | |
Eric W. Biederman | 496a60c | 2009-05-13 17:02:50 +0000 | [diff] [blame] | 963 | if (!rtnl_trylock()) |
| 964 | return restart_syscall(); |
Neil Horman | e843fa5 | 2010-10-13 16:01:50 +0000 | [diff] [blame] | 965 | |
nikolay@redhat.com | c84e159 | 2012-10-31 06:03:52 +0000 | [diff] [blame] | 966 | sscanf(buf, "%15s", ifname); /* IFNAMSIZ */ |
Andy Gospodarek | f4bb2e9 | 2011-07-26 11:12:27 +0000 | [diff] [blame] | 967 | if (!strlen(ifname) || buf[0] == '\n') { |
Jiri Pirko | d9e32b2 | 2013-10-18 17:43:35 +0200 | [diff] [blame] | 968 | dev = NULL; |
| 969 | } else { |
| 970 | dev = __dev_get_by_name(dev_net(bond->dev), ifname); |
| 971 | if (!dev) { |
| 972 | ret = -ENODEV; |
| 973 | goto out; |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 974 | } |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 975 | } |
Andy Gospodarek | f4bb2e9 | 2011-07-26 11:12:27 +0000 | [diff] [blame] | 976 | |
Jiri Pirko | d9e32b2 | 2013-10-18 17:43:35 +0200 | [diff] [blame] | 977 | ret = bond_option_active_slave_set(bond, dev); |
| 978 | if (!ret) |
| 979 | ret = count; |
Neil Horman | e843fa5 | 2010-10-13 16:01:50 +0000 | [diff] [blame] | 980 | |
Jiri Pirko | d9e32b2 | 2013-10-18 17:43:35 +0200 | [diff] [blame] | 981 | out: |
Jay Vosburgh | 6603a6f | 2007-10-17 17:37:50 -0700 | [diff] [blame] | 982 | rtnl_unlock(); |
| 983 | |
Jiri Pirko | d9e32b2 | 2013-10-18 17:43:35 +0200 | [diff] [blame] | 984 | return ret; |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 985 | |
| 986 | } |
Stephen Hemminger | 3d632c3 | 2009-06-12 19:02:48 +0000 | [diff] [blame] | 987 | static DEVICE_ATTR(active_slave, S_IRUGO | S_IWUSR, |
| 988 | bonding_show_active_slave, bonding_store_active_slave); |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 989 | |
| 990 | |
| 991 | /* |
| 992 | * Show link status of the bond interface. |
| 993 | */ |
Greg Kroah-Hartman | 43cb76d | 2002-04-09 12:14:34 -0700 | [diff] [blame] | 994 | static ssize_t bonding_show_mii_status(struct device *d, |
| 995 | struct device_attribute *attr, |
| 996 | char *buf) |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 997 | { |
Greg Kroah-Hartman | 43cb76d | 2002-04-09 12:14:34 -0700 | [diff] [blame] | 998 | struct bonding *bond = to_bond(d); |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 999 | |
nikolay@redhat.com | 278b208 | 2013-08-01 16:54:51 +0200 | [diff] [blame] | 1000 | return sprintf(buf, "%s\n", bond->curr_active_slave ? "up" : "down"); |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 1001 | } |
Greg Kroah-Hartman | 43cb76d | 2002-04-09 12:14:34 -0700 | [diff] [blame] | 1002 | static DEVICE_ATTR(mii_status, S_IRUGO, bonding_show_mii_status, NULL); |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 1003 | |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 1004 | /* |
| 1005 | * Show current 802.3ad aggregator ID. |
| 1006 | */ |
Greg Kroah-Hartman | 43cb76d | 2002-04-09 12:14:34 -0700 | [diff] [blame] | 1007 | static ssize_t bonding_show_ad_aggregator(struct device *d, |
| 1008 | struct device_attribute *attr, |
| 1009 | char *buf) |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 1010 | { |
| 1011 | int count = 0; |
Greg Kroah-Hartman | 43cb76d | 2002-04-09 12:14:34 -0700 | [diff] [blame] | 1012 | struct bonding *bond = to_bond(d); |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 1013 | |
| 1014 | if (bond->params.mode == BOND_MODE_8023AD) { |
| 1015 | struct ad_info ad_info; |
Stephen Hemminger | 3d632c3 | 2009-06-12 19:02:48 +0000 | [diff] [blame] | 1016 | count = sprintf(buf, "%d\n", |
nikolay@redhat.com | 318debd | 2013-05-18 01:18:31 +0000 | [diff] [blame] | 1017 | bond_3ad_get_active_agg_info(bond, &ad_info) |
Stephen Hemminger | 3d632c3 | 2009-06-12 19:02:48 +0000 | [diff] [blame] | 1018 | ? 0 : ad_info.aggregator_id); |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 1019 | } |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 1020 | |
| 1021 | return count; |
| 1022 | } |
Greg Kroah-Hartman | 43cb76d | 2002-04-09 12:14:34 -0700 | [diff] [blame] | 1023 | static DEVICE_ATTR(ad_aggregator, S_IRUGO, bonding_show_ad_aggregator, NULL); |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 1024 | |
| 1025 | |
| 1026 | /* |
| 1027 | * Show number of active 802.3ad ports. |
| 1028 | */ |
Greg Kroah-Hartman | 43cb76d | 2002-04-09 12:14:34 -0700 | [diff] [blame] | 1029 | static ssize_t bonding_show_ad_num_ports(struct device *d, |
| 1030 | struct device_attribute *attr, |
| 1031 | char *buf) |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 1032 | { |
| 1033 | int count = 0; |
Greg Kroah-Hartman | 43cb76d | 2002-04-09 12:14:34 -0700 | [diff] [blame] | 1034 | struct bonding *bond = to_bond(d); |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 1035 | |
| 1036 | if (bond->params.mode == BOND_MODE_8023AD) { |
| 1037 | struct ad_info ad_info; |
Stephen Hemminger | 3d632c3 | 2009-06-12 19:02:48 +0000 | [diff] [blame] | 1038 | count = sprintf(buf, "%d\n", |
nikolay@redhat.com | 318debd | 2013-05-18 01:18:31 +0000 | [diff] [blame] | 1039 | bond_3ad_get_active_agg_info(bond, &ad_info) |
Stephen Hemminger | 3d632c3 | 2009-06-12 19:02:48 +0000 | [diff] [blame] | 1040 | ? 0 : ad_info.ports); |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 1041 | } |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 1042 | |
| 1043 | return count; |
| 1044 | } |
Greg Kroah-Hartman | 43cb76d | 2002-04-09 12:14:34 -0700 | [diff] [blame] | 1045 | static DEVICE_ATTR(ad_num_ports, S_IRUGO, bonding_show_ad_num_ports, NULL); |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 1046 | |
| 1047 | |
| 1048 | /* |
| 1049 | * Show current 802.3ad actor key. |
| 1050 | */ |
Greg Kroah-Hartman | 43cb76d | 2002-04-09 12:14:34 -0700 | [diff] [blame] | 1051 | static ssize_t bonding_show_ad_actor_key(struct device *d, |
| 1052 | struct device_attribute *attr, |
| 1053 | char *buf) |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 1054 | { |
| 1055 | int count = 0; |
Greg Kroah-Hartman | 43cb76d | 2002-04-09 12:14:34 -0700 | [diff] [blame] | 1056 | struct bonding *bond = to_bond(d); |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 1057 | |
| 1058 | if (bond->params.mode == BOND_MODE_8023AD) { |
| 1059 | struct ad_info ad_info; |
Stephen Hemminger | 3d632c3 | 2009-06-12 19:02:48 +0000 | [diff] [blame] | 1060 | count = sprintf(buf, "%d\n", |
nikolay@redhat.com | 318debd | 2013-05-18 01:18:31 +0000 | [diff] [blame] | 1061 | bond_3ad_get_active_agg_info(bond, &ad_info) |
Stephen Hemminger | 3d632c3 | 2009-06-12 19:02:48 +0000 | [diff] [blame] | 1062 | ? 0 : ad_info.actor_key); |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 1063 | } |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 1064 | |
| 1065 | return count; |
| 1066 | } |
Greg Kroah-Hartman | 43cb76d | 2002-04-09 12:14:34 -0700 | [diff] [blame] | 1067 | static DEVICE_ATTR(ad_actor_key, S_IRUGO, bonding_show_ad_actor_key, NULL); |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 1068 | |
| 1069 | |
| 1070 | /* |
| 1071 | * Show current 802.3ad partner key. |
| 1072 | */ |
Greg Kroah-Hartman | 43cb76d | 2002-04-09 12:14:34 -0700 | [diff] [blame] | 1073 | static ssize_t bonding_show_ad_partner_key(struct device *d, |
| 1074 | struct device_attribute *attr, |
| 1075 | char *buf) |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 1076 | { |
| 1077 | int count = 0; |
Greg Kroah-Hartman | 43cb76d | 2002-04-09 12:14:34 -0700 | [diff] [blame] | 1078 | struct bonding *bond = to_bond(d); |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 1079 | |
| 1080 | if (bond->params.mode == BOND_MODE_8023AD) { |
| 1081 | struct ad_info ad_info; |
Stephen Hemminger | 3d632c3 | 2009-06-12 19:02:48 +0000 | [diff] [blame] | 1082 | count = sprintf(buf, "%d\n", |
nikolay@redhat.com | 318debd | 2013-05-18 01:18:31 +0000 | [diff] [blame] | 1083 | bond_3ad_get_active_agg_info(bond, &ad_info) |
Stephen Hemminger | 3d632c3 | 2009-06-12 19:02:48 +0000 | [diff] [blame] | 1084 | ? 0 : ad_info.partner_key); |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 1085 | } |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 1086 | |
| 1087 | return count; |
| 1088 | } |
Greg Kroah-Hartman | 43cb76d | 2002-04-09 12:14:34 -0700 | [diff] [blame] | 1089 | static DEVICE_ATTR(ad_partner_key, S_IRUGO, bonding_show_ad_partner_key, NULL); |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 1090 | |
| 1091 | |
| 1092 | /* |
| 1093 | * Show current 802.3ad partner mac. |
| 1094 | */ |
Greg Kroah-Hartman | 43cb76d | 2002-04-09 12:14:34 -0700 | [diff] [blame] | 1095 | static ssize_t bonding_show_ad_partner_mac(struct device *d, |
| 1096 | struct device_attribute *attr, |
| 1097 | char *buf) |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 1098 | { |
| 1099 | int count = 0; |
Greg Kroah-Hartman | 43cb76d | 2002-04-09 12:14:34 -0700 | [diff] [blame] | 1100 | struct bonding *bond = to_bond(d); |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 1101 | |
| 1102 | if (bond->params.mode == BOND_MODE_8023AD) { |
| 1103 | struct ad_info ad_info; |
Stephen Hemminger | 3d632c3 | 2009-06-12 19:02:48 +0000 | [diff] [blame] | 1104 | if (!bond_3ad_get_active_agg_info(bond, &ad_info)) |
Johannes Berg | e174961 | 2008-10-27 15:59:26 -0700 | [diff] [blame] | 1105 | count = sprintf(buf, "%pM\n", ad_info.partner_system); |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 1106 | } |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 1107 | |
| 1108 | return count; |
| 1109 | } |
Greg Kroah-Hartman | 43cb76d | 2002-04-09 12:14:34 -0700 | [diff] [blame] | 1110 | static DEVICE_ATTR(ad_partner_mac, S_IRUGO, bonding_show_ad_partner_mac, NULL); |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 1111 | |
Andy Gospodarek | ebd8e49 | 2010-06-02 08:39:21 +0000 | [diff] [blame] | 1112 | /* |
Andy Gospodarek | bb1d912 | 2010-06-02 08:40:18 +0000 | [diff] [blame] | 1113 | * Show the queue_ids of the slaves in the current bond. |
| 1114 | */ |
| 1115 | static ssize_t bonding_show_queue_id(struct device *d, |
| 1116 | struct device_attribute *attr, |
| 1117 | char *buf) |
| 1118 | { |
Andy Gospodarek | bb1d912 | 2010-06-02 08:40:18 +0000 | [diff] [blame] | 1119 | struct bonding *bond = to_bond(d); |
Veaceslav Falico | 9caff1e | 2013-09-25 09:20:14 +0200 | [diff] [blame] | 1120 | struct list_head *iter; |
nikolay@redhat.com | dec1e90 | 2013-08-01 16:54:47 +0200 | [diff] [blame] | 1121 | struct slave *slave; |
| 1122 | int res = 0; |
Andy Gospodarek | bb1d912 | 2010-06-02 08:40:18 +0000 | [diff] [blame] | 1123 | |
| 1124 | if (!rtnl_trylock()) |
| 1125 | return restart_syscall(); |
| 1126 | |
Veaceslav Falico | 9caff1e | 2013-09-25 09:20:14 +0200 | [diff] [blame] | 1127 | bond_for_each_slave(bond, slave, iter) { |
Nicolas de Pesloüan | 7923668 | 2010-07-14 18:24:54 -0700 | [diff] [blame] | 1128 | if (res > (PAGE_SIZE - IFNAMSIZ - 6)) { |
| 1129 | /* not enough space for another interface_name:queue_id pair */ |
Andy Gospodarek | bb1d912 | 2010-06-02 08:40:18 +0000 | [diff] [blame] | 1130 | if ((PAGE_SIZE - res) > 10) |
| 1131 | res = PAGE_SIZE - 10; |
| 1132 | res += sprintf(buf + res, "++more++ "); |
| 1133 | break; |
| 1134 | } |
| 1135 | res += sprintf(buf + res, "%s:%d ", |
| 1136 | slave->dev->name, slave->queue_id); |
| 1137 | } |
Andy Gospodarek | bb1d912 | 2010-06-02 08:40:18 +0000 | [diff] [blame] | 1138 | if (res) |
| 1139 | buf[res-1] = '\n'; /* eat the leftover space */ |
dingtianhong | 4d1ae5f | 2013-10-15 16:28:42 +0800 | [diff] [blame] | 1140 | |
Andy Gospodarek | bb1d912 | 2010-06-02 08:40:18 +0000 | [diff] [blame] | 1141 | rtnl_unlock(); |
nikolay@redhat.com | dec1e90 | 2013-08-01 16:54:47 +0200 | [diff] [blame] | 1142 | |
Andy Gospodarek | bb1d912 | 2010-06-02 08:40:18 +0000 | [diff] [blame] | 1143 | return res; |
| 1144 | } |
| 1145 | |
| 1146 | /* |
| 1147 | * Set the queue_ids of the slaves in the current bond. The bond |
| 1148 | * interface must be enslaved for this to work. |
| 1149 | */ |
| 1150 | static ssize_t bonding_store_queue_id(struct device *d, |
| 1151 | struct device_attribute *attr, |
| 1152 | const char *buffer, size_t count) |
| 1153 | { |
| 1154 | struct slave *slave, *update_slave; |
| 1155 | struct bonding *bond = to_bond(d); |
Veaceslav Falico | 9caff1e | 2013-09-25 09:20:14 +0200 | [diff] [blame] | 1156 | struct list_head *iter; |
Andy Gospodarek | bb1d912 | 2010-06-02 08:40:18 +0000 | [diff] [blame] | 1157 | u16 qid; |
nikolay@redhat.com | dec1e90 | 2013-08-01 16:54:47 +0200 | [diff] [blame] | 1158 | int ret = count; |
Andy Gospodarek | bb1d912 | 2010-06-02 08:40:18 +0000 | [diff] [blame] | 1159 | char *delim; |
| 1160 | struct net_device *sdev = NULL; |
| 1161 | |
| 1162 | if (!rtnl_trylock()) |
| 1163 | return restart_syscall(); |
| 1164 | |
| 1165 | /* delim will point to queue id if successful */ |
| 1166 | delim = strchr(buffer, ':'); |
| 1167 | if (!delim) |
| 1168 | goto err_no_cmd; |
| 1169 | |
| 1170 | /* |
| 1171 | * Terminate string that points to device name and bump it |
| 1172 | * up one, so we can read the queue id there. |
| 1173 | */ |
| 1174 | *delim = '\0'; |
| 1175 | if (sscanf(++delim, "%hd\n", &qid) != 1) |
| 1176 | goto err_no_cmd; |
| 1177 | |
| 1178 | /* Check buffer length, valid ifname and queue id */ |
| 1179 | if (strlen(buffer) > IFNAMSIZ || |
| 1180 | !dev_valid_name(buffer) || |
Jiri Pirko | 8a540ff | 2012-07-20 02:28:50 +0000 | [diff] [blame] | 1181 | qid > bond->dev->real_num_tx_queues) |
Andy Gospodarek | bb1d912 | 2010-06-02 08:40:18 +0000 | [diff] [blame] | 1182 | goto err_no_cmd; |
| 1183 | |
| 1184 | /* Get the pointer to that interface if it exists */ |
| 1185 | sdev = __dev_get_by_name(dev_net(bond->dev), buffer); |
| 1186 | if (!sdev) |
| 1187 | goto err_no_cmd; |
| 1188 | |
Andy Gospodarek | bb1d912 | 2010-06-02 08:40:18 +0000 | [diff] [blame] | 1189 | /* Search for thes slave and check for duplicate qids */ |
| 1190 | update_slave = NULL; |
Veaceslav Falico | 9caff1e | 2013-09-25 09:20:14 +0200 | [diff] [blame] | 1191 | bond_for_each_slave(bond, slave, iter) { |
Andy Gospodarek | bb1d912 | 2010-06-02 08:40:18 +0000 | [diff] [blame] | 1192 | if (sdev == slave->dev) |
| 1193 | /* |
| 1194 | * We don't need to check the matching |
| 1195 | * slave for dups, since we're overwriting it |
| 1196 | */ |
| 1197 | update_slave = slave; |
| 1198 | else if (qid && qid == slave->queue_id) { |
dingtianhong | 4d1ae5f | 2013-10-15 16:28:42 +0800 | [diff] [blame] | 1199 | goto err_no_cmd; |
Andy Gospodarek | bb1d912 | 2010-06-02 08:40:18 +0000 | [diff] [blame] | 1200 | } |
| 1201 | } |
| 1202 | |
| 1203 | if (!update_slave) |
dingtianhong | 4d1ae5f | 2013-10-15 16:28:42 +0800 | [diff] [blame] | 1204 | goto err_no_cmd; |
Andy Gospodarek | bb1d912 | 2010-06-02 08:40:18 +0000 | [diff] [blame] | 1205 | |
| 1206 | /* Actually set the qids for the slave */ |
| 1207 | update_slave->queue_id = qid; |
| 1208 | |
Andy Gospodarek | bb1d912 | 2010-06-02 08:40:18 +0000 | [diff] [blame] | 1209 | out: |
| 1210 | rtnl_unlock(); |
| 1211 | return ret; |
| 1212 | |
Andy Gospodarek | bb1d912 | 2010-06-02 08:40:18 +0000 | [diff] [blame] | 1213 | err_no_cmd: |
| 1214 | pr_info("invalid input for queue_id set for %s.\n", |
| 1215 | bond->dev->name); |
| 1216 | ret = -EPERM; |
| 1217 | goto out; |
| 1218 | } |
| 1219 | |
| 1220 | static DEVICE_ATTR(queue_id, S_IRUGO | S_IWUSR, bonding_show_queue_id, |
| 1221 | bonding_store_queue_id); |
| 1222 | |
| 1223 | |
| 1224 | /* |
Andy Gospodarek | ebd8e49 | 2010-06-02 08:39:21 +0000 | [diff] [blame] | 1225 | * Show and set the all_slaves_active flag. |
| 1226 | */ |
| 1227 | static ssize_t bonding_show_slaves_active(struct device *d, |
| 1228 | struct device_attribute *attr, |
| 1229 | char *buf) |
| 1230 | { |
| 1231 | struct bonding *bond = to_bond(d); |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 1232 | |
Andy Gospodarek | ebd8e49 | 2010-06-02 08:39:21 +0000 | [diff] [blame] | 1233 | return sprintf(buf, "%d\n", bond->params.all_slaves_active); |
| 1234 | } |
| 1235 | |
| 1236 | static ssize_t bonding_store_slaves_active(struct device *d, |
| 1237 | struct device_attribute *attr, |
| 1238 | const char *buf, size_t count) |
| 1239 | { |
Andy Gospodarek | ebd8e49 | 2010-06-02 08:39:21 +0000 | [diff] [blame] | 1240 | struct bonding *bond = to_bond(d); |
sfeldma@cumulusnetworks.com | 1cc0b1e | 2013-12-17 21:30:16 -0800 | [diff] [blame] | 1241 | int new_value, ret; |
dingtianhong | 4d1ae5f | 2013-10-15 16:28:42 +0800 | [diff] [blame] | 1242 | |
Andy Gospodarek | ebd8e49 | 2010-06-02 08:39:21 +0000 | [diff] [blame] | 1243 | if (sscanf(buf, "%d", &new_value) != 1) { |
| 1244 | pr_err("%s: no all_slaves_active value specified.\n", |
| 1245 | bond->dev->name); |
sfeldma@cumulusnetworks.com | 1cc0b1e | 2013-12-17 21:30:16 -0800 | [diff] [blame] | 1246 | return -EINVAL; |
Andy Gospodarek | ebd8e49 | 2010-06-02 08:39:21 +0000 | [diff] [blame] | 1247 | } |
| 1248 | |
sfeldma@cumulusnetworks.com | 1cc0b1e | 2013-12-17 21:30:16 -0800 | [diff] [blame] | 1249 | if (!rtnl_trylock()) |
| 1250 | return restart_syscall(); |
Andy Gospodarek | ebd8e49 | 2010-06-02 08:39:21 +0000 | [diff] [blame] | 1251 | |
sfeldma@cumulusnetworks.com | 1cc0b1e | 2013-12-17 21:30:16 -0800 | [diff] [blame] | 1252 | ret = bond_option_all_slaves_active_set(bond, new_value); |
| 1253 | if (!ret) |
| 1254 | ret = count; |
Andy Gospodarek | ebd8e49 | 2010-06-02 08:39:21 +0000 | [diff] [blame] | 1255 | |
dingtianhong | 4d1ae5f | 2013-10-15 16:28:42 +0800 | [diff] [blame] | 1256 | rtnl_unlock(); |
Jiri Pirko | 672bda3 | 2011-01-25 11:03:25 +0000 | [diff] [blame] | 1257 | return ret; |
Andy Gospodarek | ebd8e49 | 2010-06-02 08:39:21 +0000 | [diff] [blame] | 1258 | } |
| 1259 | static DEVICE_ATTR(all_slaves_active, S_IRUGO | S_IWUSR, |
| 1260 | bonding_show_slaves_active, bonding_store_slaves_active); |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 1261 | |
Flavio Leitner | c2952c3 | 2010-10-05 14:23:59 +0000 | [diff] [blame] | 1262 | /* |
| 1263 | * Show and set the number of IGMP membership reports to send on link failure |
| 1264 | */ |
| 1265 | static ssize_t bonding_show_resend_igmp(struct device *d, |
Flavio Leitner | 94265cf | 2011-05-25 08:38:58 +0000 | [diff] [blame] | 1266 | struct device_attribute *attr, |
| 1267 | char *buf) |
Flavio Leitner | c2952c3 | 2010-10-05 14:23:59 +0000 | [diff] [blame] | 1268 | { |
| 1269 | struct bonding *bond = to_bond(d); |
| 1270 | |
| 1271 | return sprintf(buf, "%d\n", bond->params.resend_igmp); |
| 1272 | } |
| 1273 | |
| 1274 | static ssize_t bonding_store_resend_igmp(struct device *d, |
Flavio Leitner | 94265cf | 2011-05-25 08:38:58 +0000 | [diff] [blame] | 1275 | struct device_attribute *attr, |
| 1276 | const char *buf, size_t count) |
Flavio Leitner | c2952c3 | 2010-10-05 14:23:59 +0000 | [diff] [blame] | 1277 | { |
| 1278 | int new_value, ret = count; |
| 1279 | struct bonding *bond = to_bond(d); |
| 1280 | |
| 1281 | if (sscanf(buf, "%d", &new_value) != 1) { |
| 1282 | pr_err("%s: no resend_igmp value specified.\n", |
| 1283 | bond->dev->name); |
sfeldma@cumulusnetworks.com | d8838de7 | 2013-12-15 16:42:19 -0800 | [diff] [blame] | 1284 | return -EINVAL; |
Flavio Leitner | c2952c3 | 2010-10-05 14:23:59 +0000 | [diff] [blame] | 1285 | } |
| 1286 | |
sfeldma@cumulusnetworks.com | d8838de7 | 2013-12-15 16:42:19 -0800 | [diff] [blame] | 1287 | if (!rtnl_trylock()) |
| 1288 | return restart_syscall(); |
Flavio Leitner | c2952c3 | 2010-10-05 14:23:59 +0000 | [diff] [blame] | 1289 | |
sfeldma@cumulusnetworks.com | d8838de7 | 2013-12-15 16:42:19 -0800 | [diff] [blame] | 1290 | ret = bond_option_resend_igmp_set(bond, new_value); |
| 1291 | if (!ret) |
| 1292 | ret = count; |
| 1293 | |
| 1294 | rtnl_unlock(); |
Flavio Leitner | c2952c3 | 2010-10-05 14:23:59 +0000 | [diff] [blame] | 1295 | return ret; |
| 1296 | } |
| 1297 | |
| 1298 | static DEVICE_ATTR(resend_igmp, S_IRUGO | S_IWUSR, |
| 1299 | bonding_show_resend_igmp, bonding_store_resend_igmp); |
| 1300 | |
Neil Horman | 7eacd03 | 2013-09-13 11:05:33 -0400 | [diff] [blame] | 1301 | |
| 1302 | static ssize_t bonding_show_lp_interval(struct device *d, |
| 1303 | struct device_attribute *attr, |
| 1304 | char *buf) |
| 1305 | { |
| 1306 | struct bonding *bond = to_bond(d); |
| 1307 | return sprintf(buf, "%d\n", bond->params.lp_interval); |
| 1308 | } |
| 1309 | |
| 1310 | static ssize_t bonding_store_lp_interval(struct device *d, |
| 1311 | struct device_attribute *attr, |
| 1312 | const char *buf, size_t count) |
| 1313 | { |
| 1314 | struct bonding *bond = to_bond(d); |
sfeldma@cumulusnetworks.com | 8d836d0 | 2013-12-17 21:30:30 -0800 | [diff] [blame] | 1315 | int new_value, ret; |
Neil Horman | 7eacd03 | 2013-09-13 11:05:33 -0400 | [diff] [blame] | 1316 | |
| 1317 | if (sscanf(buf, "%d", &new_value) != 1) { |
| 1318 | pr_err("%s: no lp interval value specified.\n", |
| 1319 | bond->dev->name); |
sfeldma@cumulusnetworks.com | 8d836d0 | 2013-12-17 21:30:30 -0800 | [diff] [blame] | 1320 | return -EINVAL; |
Neil Horman | 7eacd03 | 2013-09-13 11:05:33 -0400 | [diff] [blame] | 1321 | } |
| 1322 | |
sfeldma@cumulusnetworks.com | 8d836d0 | 2013-12-17 21:30:30 -0800 | [diff] [blame] | 1323 | if (!rtnl_trylock()) |
| 1324 | return restart_syscall(); |
Neil Horman | 7eacd03 | 2013-09-13 11:05:33 -0400 | [diff] [blame] | 1325 | |
sfeldma@cumulusnetworks.com | 8d836d0 | 2013-12-17 21:30:30 -0800 | [diff] [blame] | 1326 | ret = bond_option_lp_interval_set(bond, new_value); |
| 1327 | if (!ret) |
| 1328 | ret = count; |
| 1329 | |
| 1330 | rtnl_unlock(); |
Neil Horman | 7eacd03 | 2013-09-13 11:05:33 -0400 | [diff] [blame] | 1331 | return ret; |
| 1332 | } |
| 1333 | |
| 1334 | static DEVICE_ATTR(lp_interval, S_IRUGO | S_IWUSR, |
| 1335 | bonding_show_lp_interval, bonding_store_lp_interval); |
| 1336 | |
Nikolay Aleksandrov | 7395832 | 2013-11-05 13:51:41 +0100 | [diff] [blame] | 1337 | static ssize_t bonding_show_packets_per_slave(struct device *d, |
| 1338 | struct device_attribute *attr, |
| 1339 | char *buf) |
| 1340 | { |
| 1341 | struct bonding *bond = to_bond(d); |
Nikolay Aleksandrov | a752a8b | 2013-12-05 11:36:58 +0100 | [diff] [blame] | 1342 | unsigned int packets_per_slave = bond->params.packets_per_slave; |
Nikolay Aleksandrov | a752a8b | 2013-12-05 11:36:58 +0100 | [diff] [blame] | 1343 | return sprintf(buf, "%u\n", packets_per_slave); |
Nikolay Aleksandrov | 7395832 | 2013-11-05 13:51:41 +0100 | [diff] [blame] | 1344 | } |
| 1345 | |
| 1346 | static ssize_t bonding_store_packets_per_slave(struct device *d, |
| 1347 | struct device_attribute *attr, |
| 1348 | const char *buf, size_t count) |
| 1349 | { |
| 1350 | struct bonding *bond = to_bond(d); |
Nikolay Aleksandrov | aa59d85 | 2014-01-22 14:53:18 +0100 | [diff] [blame] | 1351 | int ret; |
Nikolay Aleksandrov | 7395832 | 2013-11-05 13:51:41 +0100 | [diff] [blame] | 1352 | |
Nikolay Aleksandrov | aa59d85 | 2014-01-22 14:53:18 +0100 | [diff] [blame] | 1353 | ret = bond_opt_tryset_rtnl(bond, BOND_OPT_PACKETS_PER_SLAVE, |
| 1354 | (char *)buf); |
sfeldma@cumulusnetworks.com | c13ab3f | 2013-12-17 21:30:37 -0800 | [diff] [blame] | 1355 | if (!ret) |
| 1356 | ret = count; |
| 1357 | |
Nikolay Aleksandrov | 7395832 | 2013-11-05 13:51:41 +0100 | [diff] [blame] | 1358 | return ret; |
| 1359 | } |
| 1360 | |
| 1361 | static DEVICE_ATTR(packets_per_slave, S_IRUGO | S_IWUSR, |
| 1362 | bonding_show_packets_per_slave, |
| 1363 | bonding_store_packets_per_slave); |
| 1364 | |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 1365 | static struct attribute *per_bond_attrs[] = { |
Greg Kroah-Hartman | 43cb76d | 2002-04-09 12:14:34 -0700 | [diff] [blame] | 1366 | &dev_attr_slaves.attr, |
| 1367 | &dev_attr_mode.attr, |
Jay Vosburgh | dd957c5 | 2007-10-09 19:57:24 -0700 | [diff] [blame] | 1368 | &dev_attr_fail_over_mac.attr, |
Greg Kroah-Hartman | 43cb76d | 2002-04-09 12:14:34 -0700 | [diff] [blame] | 1369 | &dev_attr_arp_validate.attr, |
Veaceslav Falico | 8599b52 | 2013-06-24 11:49:34 +0200 | [diff] [blame] | 1370 | &dev_attr_arp_all_targets.attr, |
Greg Kroah-Hartman | 43cb76d | 2002-04-09 12:14:34 -0700 | [diff] [blame] | 1371 | &dev_attr_arp_interval.attr, |
| 1372 | &dev_attr_arp_ip_target.attr, |
| 1373 | &dev_attr_downdelay.attr, |
| 1374 | &dev_attr_updelay.attr, |
| 1375 | &dev_attr_lacp_rate.attr, |
Jay Vosburgh | fd989c8 | 2008-11-04 17:51:16 -0800 | [diff] [blame] | 1376 | &dev_attr_ad_select.attr, |
Greg Kroah-Hartman | 43cb76d | 2002-04-09 12:14:34 -0700 | [diff] [blame] | 1377 | &dev_attr_xmit_hash_policy.attr, |
Ben Hutchings | ad246c9 | 2011-04-26 15:25:52 +0000 | [diff] [blame] | 1378 | &dev_attr_num_grat_arp.attr, |
| 1379 | &dev_attr_num_unsol_na.attr, |
Greg Kroah-Hartman | 43cb76d | 2002-04-09 12:14:34 -0700 | [diff] [blame] | 1380 | &dev_attr_miimon.attr, |
| 1381 | &dev_attr_primary.attr, |
Jiri Pirko | a549952 | 2009-09-25 03:28:09 +0000 | [diff] [blame] | 1382 | &dev_attr_primary_reselect.attr, |
Greg Kroah-Hartman | 43cb76d | 2002-04-09 12:14:34 -0700 | [diff] [blame] | 1383 | &dev_attr_use_carrier.attr, |
| 1384 | &dev_attr_active_slave.attr, |
| 1385 | &dev_attr_mii_status.attr, |
| 1386 | &dev_attr_ad_aggregator.attr, |
| 1387 | &dev_attr_ad_num_ports.attr, |
| 1388 | &dev_attr_ad_actor_key.attr, |
| 1389 | &dev_attr_ad_partner_key.attr, |
| 1390 | &dev_attr_ad_partner_mac.attr, |
Andy Gospodarek | bb1d912 | 2010-06-02 08:40:18 +0000 | [diff] [blame] | 1391 | &dev_attr_queue_id.attr, |
Andy Gospodarek | ebd8e49 | 2010-06-02 08:39:21 +0000 | [diff] [blame] | 1392 | &dev_attr_all_slaves_active.attr, |
Flavio Leitner | c2952c3 | 2010-10-05 14:23:59 +0000 | [diff] [blame] | 1393 | &dev_attr_resend_igmp.attr, |
stephen hemminger | 655f891 | 2011-06-22 09:54:39 +0000 | [diff] [blame] | 1394 | &dev_attr_min_links.attr, |
Neil Horman | 7eacd03 | 2013-09-13 11:05:33 -0400 | [diff] [blame] | 1395 | &dev_attr_lp_interval.attr, |
Nikolay Aleksandrov | 7395832 | 2013-11-05 13:51:41 +0100 | [diff] [blame] | 1396 | &dev_attr_packets_per_slave.attr, |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 1397 | NULL, |
| 1398 | }; |
| 1399 | |
| 1400 | static struct attribute_group bonding_group = { |
| 1401 | .name = "bonding", |
| 1402 | .attrs = per_bond_attrs, |
| 1403 | }; |
| 1404 | |
| 1405 | /* |
| 1406 | * Initialize sysfs. This sets up the bonding_masters file in |
| 1407 | * /sys/class/net. |
| 1408 | */ |
Eric W. Biederman | 4c22400 | 2011-10-12 21:56:25 +0000 | [diff] [blame] | 1409 | int bond_create_sysfs(struct bond_net *bn) |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 1410 | { |
Jay Vosburgh | b8a9787 | 2008-06-13 18:12:04 -0700 | [diff] [blame] | 1411 | int ret; |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 1412 | |
Eric W. Biederman | 4c22400 | 2011-10-12 21:56:25 +0000 | [diff] [blame] | 1413 | bn->class_attr_bonding_masters = class_attr_bonding_masters; |
Eric W. Biederman | 01718e3 | 2011-10-21 22:43:07 +0000 | [diff] [blame] | 1414 | sysfs_attr_init(&bn->class_attr_bonding_masters.attr); |
Eric W. Biederman | 4c22400 | 2011-10-12 21:56:25 +0000 | [diff] [blame] | 1415 | |
Tejun Heo | 58292cbe | 2013-09-11 22:29:04 -0400 | [diff] [blame] | 1416 | ret = netdev_class_create_file_ns(&bn->class_attr_bonding_masters, |
| 1417 | bn->net); |
Jay Vosburgh | 877cbd3 | 2007-01-19 18:15:47 -0800 | [diff] [blame] | 1418 | /* |
| 1419 | * Permit multiple loads of the module by ignoring failures to |
| 1420 | * create the bonding_masters sysfs file. Bonding devices |
| 1421 | * created by second or subsequent loads of the module will |
| 1422 | * not be listed in, or controllable by, bonding_masters, but |
| 1423 | * will have the usual "bonding" sysfs directory. |
| 1424 | * |
| 1425 | * This is done to preserve backwards compatibility for |
| 1426 | * initscripts/sysconfig, which load bonding multiple times to |
| 1427 | * configure multiple bonding devices. |
| 1428 | */ |
| 1429 | if (ret == -EEXIST) { |
Stephen Hemminger | 38d2f38 | 2008-05-14 22:35:04 -0700 | [diff] [blame] | 1430 | /* Is someone being kinky and naming a device bonding_master? */ |
Eric W. Biederman | 4c22400 | 2011-10-12 21:56:25 +0000 | [diff] [blame] | 1431 | if (__dev_get_by_name(bn->net, |
Stephen Hemminger | 38d2f38 | 2008-05-14 22:35:04 -0700 | [diff] [blame] | 1432 | class_attr_bonding_masters.attr.name)) |
Joe Perches | a4aee5c | 2009-12-13 20:06:07 -0800 | [diff] [blame] | 1433 | pr_err("network device named %s already exists in sysfs", |
Stephen Hemminger | 38d2f38 | 2008-05-14 22:35:04 -0700 | [diff] [blame] | 1434 | class_attr_bonding_masters.attr.name); |
Stephen Hemminger | 130aa61 | 2009-06-11 05:46:04 -0700 | [diff] [blame] | 1435 | ret = 0; |
Jay Vosburgh | 877cbd3 | 2007-01-19 18:15:47 -0800 | [diff] [blame] | 1436 | } |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 1437 | |
| 1438 | return ret; |
| 1439 | |
| 1440 | } |
| 1441 | |
| 1442 | /* |
| 1443 | * Remove /sys/class/net/bonding_masters. |
| 1444 | */ |
Eric W. Biederman | 4c22400 | 2011-10-12 21:56:25 +0000 | [diff] [blame] | 1445 | void bond_destroy_sysfs(struct bond_net *bn) |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 1446 | { |
Tejun Heo | 58292cbe | 2013-09-11 22:29:04 -0400 | [diff] [blame] | 1447 | netdev_class_remove_file_ns(&bn->class_attr_bonding_masters, bn->net); |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 1448 | } |
| 1449 | |
| 1450 | /* |
| 1451 | * Initialize sysfs for each bond. This sets up and registers |
| 1452 | * the 'bondctl' directory for each individual bond under /sys/class/net. |
| 1453 | */ |
Eric W. Biederman | 6151b3d | 2009-10-29 14:18:22 +0000 | [diff] [blame] | 1454 | void bond_prepare_sysfs_group(struct bonding *bond) |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 1455 | { |
Eric W. Biederman | 6151b3d | 2009-10-29 14:18:22 +0000 | [diff] [blame] | 1456 | bond->dev->sysfs_groups[0] = &bonding_group; |
Mitch Williams | b76cdba | 2005-11-09 10:36:41 -0800 | [diff] [blame] | 1457 | } |
| 1458 | |