Orange Pi5 kernel

Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards

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^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) // SPDX-License-Identifier: GPL-2.0-or-later
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3)  * Copyright(c) 2004-2005 Intel Corporation. All rights reserved.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6) #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10) #include <linux/device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11) #include <linux/sched/signal.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12) #include <linux/fs.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13) #include <linux/types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14) #include <linux/string.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15) #include <linux/netdevice.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16) #include <linux/inetdevice.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) #include <linux/in.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) #include <linux/sysfs.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) #include <linux/ctype.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) #include <linux/inet.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) #include <linux/rtnetlink.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) #include <linux/etherdevice.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) #include <net/net_namespace.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) #include <net/netns/generic.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) #include <linux/nsproxy.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) #include <net/bonding.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) #define to_bond(cd)	((struct bonding *)(netdev_priv(to_net_dev(cd))))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) /* "show" function for the bond_masters attribute.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32)  * The class parameter is ignored.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) static ssize_t bonding_show_bonds(struct class *cls,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) 				  struct class_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) 				  char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) 	struct bond_net *bn =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) 		container_of(attr, struct bond_net, class_attr_bonding_masters);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) 	int res = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) 	struct bonding *bond;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) 	rtnl_lock();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) 	list_for_each_entry(bond, &bn->dev_list, bond_list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) 		if (res > (PAGE_SIZE - IFNAMSIZ)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) 			/* not enough space for another interface name */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) 			if ((PAGE_SIZE - res) > 10)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) 				res = PAGE_SIZE - 10;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) 			res += sprintf(buf + res, "++more++ ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) 		res += sprintf(buf + res, "%s ", bond->dev->name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) 	if (res)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) 		buf[res-1] = '\n'; /* eat the leftover space */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) 	rtnl_unlock();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) 	return res;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) static struct net_device *bond_get_by_name(struct bond_net *bn, const char *ifname)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) 	struct bonding *bond;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) 	list_for_each_entry(bond, &bn->dev_list, bond_list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) 		if (strncmp(bond->dev->name, ifname, IFNAMSIZ) == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) 			return bond->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) 	return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) /* "store" function for the bond_masters attribute.  This is what
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74)  * creates and deletes entire bonds.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76)  * The class parameter is ignored.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) static ssize_t bonding_store_bonds(struct class *cls,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) 				   struct class_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) 				   const char *buffer, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) 	struct bond_net *bn =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) 		container_of(attr, struct bond_net, class_attr_bonding_masters);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) 	char command[IFNAMSIZ + 1] = {0, };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) 	char *ifname;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) 	int rv, res = count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) 	sscanf(buffer, "%16s", command); /* IFNAMSIZ*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) 	ifname = command + 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) 	if ((strlen(command) <= 1) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) 	    !dev_valid_name(ifname))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) 		goto err_no_cmd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) 	if (command[0] == '+') {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) 		pr_info("%s is being created...\n", ifname);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) 		rv = bond_create(bn->net, ifname);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) 		if (rv) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) 			if (rv == -EEXIST)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) 				pr_info("%s already exists\n", ifname);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 			else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 				pr_info("%s creation failed\n", ifname);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) 			res = rv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) 	} else if (command[0] == '-') {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 		struct net_device *bond_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) 		rtnl_lock();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) 		bond_dev = bond_get_by_name(bn, ifname);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) 		if (bond_dev) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) 			pr_info("%s is being deleted...\n", ifname);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) 			unregister_netdevice(bond_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 		} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 			pr_err("unable to delete non-existent %s\n", ifname);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) 			res = -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) 		rtnl_unlock();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) 	} else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 		goto err_no_cmd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 	/* Always return either count or an error.  If you return 0, you'll
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 	 * get called forever, which is bad.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) 	return res;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) err_no_cmd:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) 	pr_err("no command found in bonding_masters - use +ifname or -ifname\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) 	return -EPERM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) /* class attribute for bond_masters file.  This ends up in /sys/class/net */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) static const struct class_attribute class_attr_bonding_masters = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) 	.attr = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) 		.name = "bonding_masters",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) 		.mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) 	.show = bonding_show_bonds,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) 	.store = bonding_store_bonds,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) /* Generic "store" method for bonding sysfs option setting */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) static ssize_t bonding_sysfs_store_option(struct device *d,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) 					  struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) 					  const char *buffer, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) 	struct bonding *bond = to_bond(d);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) 	const struct bond_option *opt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) 	char *buffer_clone;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) 	opt = bond_opt_get_by_name(attr->attr.name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) 	if (WARN_ON(!opt))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) 		return -ENOENT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 	buffer_clone = kstrndup(buffer, count, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) 	if (!buffer_clone)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) 		return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) 	ret = bond_opt_tryset_rtnl(bond, opt->id, buffer_clone);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) 	if (!ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) 		ret = count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) 	kfree(buffer_clone);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) /* Show the slaves in the current bond. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) static ssize_t bonding_show_slaves(struct device *d,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) 				   struct device_attribute *attr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) 	struct bonding *bond = to_bond(d);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) 	struct list_head *iter;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) 	struct slave *slave;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) 	int res = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) 	if (!rtnl_trylock())
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) 		return restart_syscall();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) 	bond_for_each_slave(bond, slave, iter) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) 		if (res > (PAGE_SIZE - IFNAMSIZ)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) 			/* not enough space for another interface name */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) 			if ((PAGE_SIZE - res) > 10)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) 				res = PAGE_SIZE - 10;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) 			res += sprintf(buf + res, "++more++ ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) 		res += sprintf(buf + res, "%s ", slave->dev->name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) 	rtnl_unlock();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 	if (res)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) 		buf[res-1] = '\n'; /* eat the leftover space */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) 	return res;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) static DEVICE_ATTR(slaves, 0644, bonding_show_slaves,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) 		   bonding_sysfs_store_option);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) /* Show the bonding mode. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) static ssize_t bonding_show_mode(struct device *d,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) 				 struct device_attribute *attr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) 	struct bonding *bond = to_bond(d);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) 	const struct bond_opt_value *val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) 	val = bond_opt_get_val(BOND_OPT_MODE, BOND_MODE(bond));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) 	return sprintf(buf, "%s %d\n", val->string, BOND_MODE(bond));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) static DEVICE_ATTR(mode, 0644, bonding_show_mode, bonding_sysfs_store_option);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) /* Show the bonding transmit hash method. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) static ssize_t bonding_show_xmit_hash(struct device *d,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) 				      struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) 				      char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) 	struct bonding *bond = to_bond(d);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) 	const struct bond_opt_value *val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) 	val = bond_opt_get_val(BOND_OPT_XMIT_HASH, bond->params.xmit_policy);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) 	return sprintf(buf, "%s %d\n", val->string, bond->params.xmit_policy);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) static DEVICE_ATTR(xmit_hash_policy, 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) 		   bonding_show_xmit_hash, bonding_sysfs_store_option);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) /* Show arp_validate. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) static ssize_t bonding_show_arp_validate(struct device *d,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) 					 struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) 					 char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) 	struct bonding *bond = to_bond(d);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) 	const struct bond_opt_value *val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) 	val = bond_opt_get_val(BOND_OPT_ARP_VALIDATE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) 			       bond->params.arp_validate);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) 	return sprintf(buf, "%s %d\n", val->string, bond->params.arp_validate);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) static DEVICE_ATTR(arp_validate, 0644, bonding_show_arp_validate,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) 		   bonding_sysfs_store_option);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) /* Show arp_all_targets. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) static ssize_t bonding_show_arp_all_targets(struct device *d,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) 					 struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) 					 char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) 	struct bonding *bond = to_bond(d);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) 	const struct bond_opt_value *val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) 	val = bond_opt_get_val(BOND_OPT_ARP_ALL_TARGETS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) 			       bond->params.arp_all_targets);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) 	return sprintf(buf, "%s %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) 		       val->string, bond->params.arp_all_targets);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) static DEVICE_ATTR(arp_all_targets, 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) 		   bonding_show_arp_all_targets, bonding_sysfs_store_option);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) /* Show fail_over_mac. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) static ssize_t bonding_show_fail_over_mac(struct device *d,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) 					  struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) 					  char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) 	struct bonding *bond = to_bond(d);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) 	const struct bond_opt_value *val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) 	val = bond_opt_get_val(BOND_OPT_FAIL_OVER_MAC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) 			       bond->params.fail_over_mac);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) 	return sprintf(buf, "%s %d\n", val->string, bond->params.fail_over_mac);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) static DEVICE_ATTR(fail_over_mac, 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) 		   bonding_show_fail_over_mac, bonding_sysfs_store_option);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) /* Show the arp timer interval. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) static ssize_t bonding_show_arp_interval(struct device *d,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) 					 struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) 					 char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) 	struct bonding *bond = to_bond(d);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) 	return sprintf(buf, "%d\n", bond->params.arp_interval);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) static DEVICE_ATTR(arp_interval, 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) 		   bonding_show_arp_interval, bonding_sysfs_store_option);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) /* Show the arp targets. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) static ssize_t bonding_show_arp_targets(struct device *d,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) 					struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) 					char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) 	struct bonding *bond = to_bond(d);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) 	int i, res = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) 	for (i = 0; i < BOND_MAX_ARP_TARGETS; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) 		if (bond->params.arp_targets[i])
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) 			res += sprintf(buf + res, "%pI4 ",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) 				       &bond->params.arp_targets[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) 	if (res)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) 		buf[res-1] = '\n'; /* eat the leftover space */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) 	return res;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) static DEVICE_ATTR(arp_ip_target, 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) 		   bonding_show_arp_targets, bonding_sysfs_store_option);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) /* Show the up and down delays. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) static ssize_t bonding_show_downdelay(struct device *d,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) 				      struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) 				      char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) 	struct bonding *bond = to_bond(d);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) 	return sprintf(buf, "%d\n", bond->params.downdelay * bond->params.miimon);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) static DEVICE_ATTR(downdelay, 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) 		   bonding_show_downdelay, bonding_sysfs_store_option);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) static ssize_t bonding_show_updelay(struct device *d,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) 				    struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) 				    char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) 	struct bonding *bond = to_bond(d);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) 	return sprintf(buf, "%d\n", bond->params.updelay * bond->params.miimon);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) static DEVICE_ATTR(updelay, 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) 		   bonding_show_updelay, bonding_sysfs_store_option);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) static ssize_t bonding_show_peer_notif_delay(struct device *d,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) 					     struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) 					     char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) 	struct bonding *bond = to_bond(d);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) 	return sprintf(buf, "%d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) 		       bond->params.peer_notif_delay * bond->params.miimon);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) static DEVICE_ATTR(peer_notif_delay, 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) 		   bonding_show_peer_notif_delay, bonding_sysfs_store_option);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) /* Show the LACP interval. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) static ssize_t bonding_show_lacp(struct device *d,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) 				 struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) 				 char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) 	struct bonding *bond = to_bond(d);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) 	const struct bond_opt_value *val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) 	val = bond_opt_get_val(BOND_OPT_LACP_RATE, bond->params.lacp_fast);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) 	return sprintf(buf, "%s %d\n", val->string, bond->params.lacp_fast);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) static DEVICE_ATTR(lacp_rate, 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) 		   bonding_show_lacp, bonding_sysfs_store_option);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) static ssize_t bonding_show_min_links(struct device *d,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) 				      struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) 				      char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) 	struct bonding *bond = to_bond(d);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) 	return sprintf(buf, "%u\n", bond->params.min_links);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) static DEVICE_ATTR(min_links, 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) 		   bonding_show_min_links, bonding_sysfs_store_option);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) static ssize_t bonding_show_ad_select(struct device *d,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) 				      struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) 				      char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) 	struct bonding *bond = to_bond(d);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) 	const struct bond_opt_value *val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) 	val = bond_opt_get_val(BOND_OPT_AD_SELECT, bond->params.ad_select);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) 	return sprintf(buf, "%s %d\n", val->string, bond->params.ad_select);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) static DEVICE_ATTR(ad_select, 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) 		   bonding_show_ad_select, bonding_sysfs_store_option);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) /* Show the number of peer notifications to send after a failover event. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) static ssize_t bonding_show_num_peer_notif(struct device *d,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) 					   struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) 					   char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) 	struct bonding *bond = to_bond(d);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) 	return sprintf(buf, "%d\n", bond->params.num_peer_notif);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) static DEVICE_ATTR(num_grat_arp, 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) 		   bonding_show_num_peer_notif, bonding_sysfs_store_option);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) static DEVICE_ATTR(num_unsol_na, 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) 		   bonding_show_num_peer_notif, bonding_sysfs_store_option);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) /* Show the MII monitor interval. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) static ssize_t bonding_show_miimon(struct device *d,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) 				   struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) 				   char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) 	struct bonding *bond = to_bond(d);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) 	return sprintf(buf, "%d\n", bond->params.miimon);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) static DEVICE_ATTR(miimon, 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) 		   bonding_show_miimon, bonding_sysfs_store_option);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) /* Show the primary slave. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) static ssize_t bonding_show_primary(struct device *d,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) 				    struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) 				    char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) 	struct bonding *bond = to_bond(d);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) 	struct slave *primary;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) 	int count = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) 	rcu_read_lock();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) 	primary = rcu_dereference(bond->primary_slave);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) 	if (primary)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) 		count = sprintf(buf, "%s\n", primary->dev->name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) 	rcu_read_unlock();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) 	return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) static DEVICE_ATTR(primary, 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) 		   bonding_show_primary, bonding_sysfs_store_option);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) /* Show the primary_reselect flag. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) static ssize_t bonding_show_primary_reselect(struct device *d,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) 					     struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) 					     char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) 	struct bonding *bond = to_bond(d);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) 	const struct bond_opt_value *val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) 	val = bond_opt_get_val(BOND_OPT_PRIMARY_RESELECT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) 			       bond->params.primary_reselect);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) 	return sprintf(buf, "%s %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) 		       val->string, bond->params.primary_reselect);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) static DEVICE_ATTR(primary_reselect, 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) 		   bonding_show_primary_reselect, bonding_sysfs_store_option);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) /* Show the use_carrier flag. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) static ssize_t bonding_show_carrier(struct device *d,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) 				    struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) 				    char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) 	struct bonding *bond = to_bond(d);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) 	return sprintf(buf, "%d\n", bond->params.use_carrier);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) static DEVICE_ATTR(use_carrier, 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) 		   bonding_show_carrier, bonding_sysfs_store_option);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) /* Show currently active_slave. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) static ssize_t bonding_show_active_slave(struct device *d,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) 					 struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) 					 char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) 	struct bonding *bond = to_bond(d);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) 	struct net_device *slave_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) 	int count = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) 	rcu_read_lock();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467) 	slave_dev = bond_option_active_slave_get_rcu(bond);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) 	if (slave_dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469) 		count = sprintf(buf, "%s\n", slave_dev->name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470) 	rcu_read_unlock();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472) 	return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474) static DEVICE_ATTR(active_slave, 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475) 		   bonding_show_active_slave, bonding_sysfs_store_option);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) /* Show link status of the bond interface. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478) static ssize_t bonding_show_mii_status(struct device *d,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479) 				       struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) 				       char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482) 	struct bonding *bond = to_bond(d);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483) 	bool active = netif_carrier_ok(bond->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) 	return sprintf(buf, "%s\n", active ? "up" : "down");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487) static DEVICE_ATTR(mii_status, 0444, bonding_show_mii_status, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489) /* Show current 802.3ad aggregator ID. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490) static ssize_t bonding_show_ad_aggregator(struct device *d,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491) 					  struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492) 					  char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494) 	int count = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495) 	struct bonding *bond = to_bond(d);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497) 	if (BOND_MODE(bond) == BOND_MODE_8023AD) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) 		struct ad_info ad_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499) 		count = sprintf(buf, "%d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500) 				bond_3ad_get_active_agg_info(bond, &ad_info)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501) 				?  0 : ad_info.aggregator_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504) 	return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506) static DEVICE_ATTR(ad_aggregator, 0444, bonding_show_ad_aggregator, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509) /* Show number of active 802.3ad ports. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510) static ssize_t bonding_show_ad_num_ports(struct device *d,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511) 					 struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512) 					 char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514) 	int count = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515) 	struct bonding *bond = to_bond(d);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517) 	if (BOND_MODE(bond) == BOND_MODE_8023AD) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518) 		struct ad_info ad_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519) 		count = sprintf(buf, "%d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520) 				bond_3ad_get_active_agg_info(bond, &ad_info)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521) 				?  0 : ad_info.ports);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524) 	return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 526) static DEVICE_ATTR(ad_num_ports, 0444, bonding_show_ad_num_ports, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 527) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 528) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529) /* Show current 802.3ad actor key. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530) static ssize_t bonding_show_ad_actor_key(struct device *d,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531) 					 struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532) 					 char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 533) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 534) 	int count = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 535) 	struct bonding *bond = to_bond(d);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 536) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 537) 	if (BOND_MODE(bond) == BOND_MODE_8023AD && capable(CAP_NET_ADMIN)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 538) 		struct ad_info ad_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 539) 		count = sprintf(buf, "%d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 540) 				bond_3ad_get_active_agg_info(bond, &ad_info)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 541) 				?  0 : ad_info.actor_key);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 542) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 543) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 544) 	return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 545) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 546) static DEVICE_ATTR(ad_actor_key, 0444, bonding_show_ad_actor_key, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 547) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 548) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 549) /* Show current 802.3ad partner key. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 550) static ssize_t bonding_show_ad_partner_key(struct device *d,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 551) 					   struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 552) 					   char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 553) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 554) 	int count = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 555) 	struct bonding *bond = to_bond(d);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 556) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 557) 	if (BOND_MODE(bond) == BOND_MODE_8023AD && capable(CAP_NET_ADMIN)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 558) 		struct ad_info ad_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 559) 		count = sprintf(buf, "%d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 560) 				bond_3ad_get_active_agg_info(bond, &ad_info)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 561) 				?  0 : ad_info.partner_key);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 562) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 563) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 564) 	return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 565) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 566) static DEVICE_ATTR(ad_partner_key, 0444, bonding_show_ad_partner_key, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 567) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 568) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 569) /* Show current 802.3ad partner mac. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 570) static ssize_t bonding_show_ad_partner_mac(struct device *d,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 571) 					   struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 572) 					   char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 573) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 574) 	int count = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 575) 	struct bonding *bond = to_bond(d);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 576) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 577) 	if (BOND_MODE(bond) == BOND_MODE_8023AD && capable(CAP_NET_ADMIN)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 578) 		struct ad_info ad_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 579) 		if (!bond_3ad_get_active_agg_info(bond, &ad_info))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 580) 			count = sprintf(buf, "%pM\n", ad_info.partner_system);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 581) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 582) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 583) 	return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 584) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 585) static DEVICE_ATTR(ad_partner_mac, 0444, bonding_show_ad_partner_mac, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 586) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 587) /* Show the queue_ids of the slaves in the current bond. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 588) static ssize_t bonding_show_queue_id(struct device *d,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 589) 				     struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 590) 				     char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 591) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 592) 	struct bonding *bond = to_bond(d);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 593) 	struct list_head *iter;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 594) 	struct slave *slave;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 595) 	int res = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 596) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 597) 	if (!rtnl_trylock())
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 598) 		return restart_syscall();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 599) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 600) 	bond_for_each_slave(bond, slave, iter) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 601) 		if (res > (PAGE_SIZE - IFNAMSIZ - 6)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 602) 			/* not enough space for another interface_name:queue_id pair */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 603) 			if ((PAGE_SIZE - res) > 10)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 604) 				res = PAGE_SIZE - 10;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 605) 			res += sprintf(buf + res, "++more++ ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 606) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 607) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 608) 		res += sprintf(buf + res, "%s:%d ",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 609) 			       slave->dev->name, slave->queue_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 610) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 611) 	if (res)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 612) 		buf[res-1] = '\n'; /* eat the leftover space */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 613) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 614) 	rtnl_unlock();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 615) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 616) 	return res;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 617) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 618) static DEVICE_ATTR(queue_id, 0644, bonding_show_queue_id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 619) 		   bonding_sysfs_store_option);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 620) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 621) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 622) /* Show the all_slaves_active flag. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 623) static ssize_t bonding_show_slaves_active(struct device *d,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 624) 					  struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 625) 					  char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 626) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 627) 	struct bonding *bond = to_bond(d);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 628) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 629) 	return sprintf(buf, "%d\n", bond->params.all_slaves_active);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 630) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 631) static DEVICE_ATTR(all_slaves_active, 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 632) 		   bonding_show_slaves_active, bonding_sysfs_store_option);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 633) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 634) /* Show the number of IGMP membership reports to send on link failure */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 635) static ssize_t bonding_show_resend_igmp(struct device *d,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 636) 					struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 637) 					char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 638) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 639) 	struct bonding *bond = to_bond(d);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 640) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 641) 	return sprintf(buf, "%d\n", bond->params.resend_igmp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 642) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 643) static DEVICE_ATTR(resend_igmp, 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 644) 		   bonding_show_resend_igmp, bonding_sysfs_store_option);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 645) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 646) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 647) static ssize_t bonding_show_lp_interval(struct device *d,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 648) 					struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 649) 					char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 650) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 651) 	struct bonding *bond = to_bond(d);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 652) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 653) 	return sprintf(buf, "%d\n", bond->params.lp_interval);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 654) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 655) static DEVICE_ATTR(lp_interval, 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 656) 		   bonding_show_lp_interval, bonding_sysfs_store_option);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 657) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 658) static ssize_t bonding_show_tlb_dynamic_lb(struct device *d,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 659) 					   struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 660) 					   char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 661) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 662) 	struct bonding *bond = to_bond(d);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 663) 	return sprintf(buf, "%d\n", bond->params.tlb_dynamic_lb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 664) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 665) static DEVICE_ATTR(tlb_dynamic_lb, 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 666) 		   bonding_show_tlb_dynamic_lb, bonding_sysfs_store_option);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 667) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 668) static ssize_t bonding_show_packets_per_slave(struct device *d,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 669) 					      struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 670) 					      char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 671) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 672) 	struct bonding *bond = to_bond(d);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 673) 	unsigned int packets_per_slave = bond->params.packets_per_slave;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 674) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 675) 	return sprintf(buf, "%u\n", packets_per_slave);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 676) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 677) static DEVICE_ATTR(packets_per_slave, 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 678) 		   bonding_show_packets_per_slave, bonding_sysfs_store_option);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 679) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 680) static ssize_t bonding_show_ad_actor_sys_prio(struct device *d,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 681) 					      struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 682) 					      char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 683) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 684) 	struct bonding *bond = to_bond(d);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 685) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 686) 	if (BOND_MODE(bond) == BOND_MODE_8023AD && capable(CAP_NET_ADMIN))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 687) 		return sprintf(buf, "%hu\n", bond->params.ad_actor_sys_prio);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 688) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 689) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 690) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 691) static DEVICE_ATTR(ad_actor_sys_prio, 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 692) 		   bonding_show_ad_actor_sys_prio, bonding_sysfs_store_option);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 693) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 694) static ssize_t bonding_show_ad_actor_system(struct device *d,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 695) 					    struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 696) 					    char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 697) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 698) 	struct bonding *bond = to_bond(d);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 699) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 700) 	if (BOND_MODE(bond) == BOND_MODE_8023AD && capable(CAP_NET_ADMIN))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 701) 		return sprintf(buf, "%pM\n", bond->params.ad_actor_system);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 702) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 703) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 704) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 705) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 706) static DEVICE_ATTR(ad_actor_system, 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 707) 		   bonding_show_ad_actor_system, bonding_sysfs_store_option);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 708) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 709) static ssize_t bonding_show_ad_user_port_key(struct device *d,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 710) 					     struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 711) 					     char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 712) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 713) 	struct bonding *bond = to_bond(d);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 714) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 715) 	if (BOND_MODE(bond) == BOND_MODE_8023AD && capable(CAP_NET_ADMIN))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 716) 		return sprintf(buf, "%hu\n", bond->params.ad_user_port_key);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 717) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 718) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 719) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 720) static DEVICE_ATTR(ad_user_port_key, 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 721) 		   bonding_show_ad_user_port_key, bonding_sysfs_store_option);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 722) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 723) static struct attribute *per_bond_attrs[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 724) 	&dev_attr_slaves.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 725) 	&dev_attr_mode.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 726) 	&dev_attr_fail_over_mac.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 727) 	&dev_attr_arp_validate.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 728) 	&dev_attr_arp_all_targets.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 729) 	&dev_attr_arp_interval.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 730) 	&dev_attr_arp_ip_target.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 731) 	&dev_attr_downdelay.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 732) 	&dev_attr_updelay.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 733) 	&dev_attr_peer_notif_delay.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 734) 	&dev_attr_lacp_rate.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 735) 	&dev_attr_ad_select.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 736) 	&dev_attr_xmit_hash_policy.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 737) 	&dev_attr_num_grat_arp.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 738) 	&dev_attr_num_unsol_na.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 739) 	&dev_attr_miimon.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 740) 	&dev_attr_primary.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 741) 	&dev_attr_primary_reselect.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 742) 	&dev_attr_use_carrier.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 743) 	&dev_attr_active_slave.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 744) 	&dev_attr_mii_status.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 745) 	&dev_attr_ad_aggregator.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 746) 	&dev_attr_ad_num_ports.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 747) 	&dev_attr_ad_actor_key.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 748) 	&dev_attr_ad_partner_key.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 749) 	&dev_attr_ad_partner_mac.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 750) 	&dev_attr_queue_id.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 751) 	&dev_attr_all_slaves_active.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 752) 	&dev_attr_resend_igmp.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 753) 	&dev_attr_min_links.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 754) 	&dev_attr_lp_interval.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 755) 	&dev_attr_packets_per_slave.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 756) 	&dev_attr_tlb_dynamic_lb.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 757) 	&dev_attr_ad_actor_sys_prio.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 758) 	&dev_attr_ad_actor_system.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 759) 	&dev_attr_ad_user_port_key.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 760) 	NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 761) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 762) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 763) static const struct attribute_group bonding_group = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 764) 	.name = "bonding",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 765) 	.attrs = per_bond_attrs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 766) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 767) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 768) /* Initialize sysfs.  This sets up the bonding_masters file in
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 769)  * /sys/class/net.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 770)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 771) int bond_create_sysfs(struct bond_net *bn)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 772) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 773) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 774) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 775) 	bn->class_attr_bonding_masters = class_attr_bonding_masters;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 776) 	sysfs_attr_init(&bn->class_attr_bonding_masters.attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 777) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 778) 	ret = netdev_class_create_file_ns(&bn->class_attr_bonding_masters,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 779) 					  bn->net);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 780) 	/* Permit multiple loads of the module by ignoring failures to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 781) 	 * create the bonding_masters sysfs file.  Bonding devices
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 782) 	 * created by second or subsequent loads of the module will
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 783) 	 * not be listed in, or controllable by, bonding_masters, but
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 784) 	 * will have the usual "bonding" sysfs directory.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 785) 	 *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 786) 	 * This is done to preserve backwards compatibility for
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 787) 	 * initscripts/sysconfig, which load bonding multiple times to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 788) 	 * configure multiple bonding devices.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 789) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 790) 	if (ret == -EEXIST) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 791) 		/* Is someone being kinky and naming a device bonding_master? */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 792) 		if (__dev_get_by_name(bn->net,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 793) 				      class_attr_bonding_masters.attr.name))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 794) 			pr_err("network device named %s already exists in sysfs\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 795) 			       class_attr_bonding_masters.attr.name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 796) 		ret = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 797) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 798) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 799) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 800) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 801) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 802) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 803) /* Remove /sys/class/net/bonding_masters. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 804) void bond_destroy_sysfs(struct bond_net *bn)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 805) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 806) 	netdev_class_remove_file_ns(&bn->class_attr_bonding_masters, bn->net);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 807) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 808) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 809) /* Initialize sysfs for each bond.  This sets up and registers
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 810)  * the 'bondctl' directory for each individual bond under /sys/class/net.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 811)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 812) void bond_prepare_sysfs_group(struct bonding *bond)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 813) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 814) 	bond->dev->sysfs_groups[0] = &bonding_group;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 815) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 816)