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Date:   Fri,  2 Oct 2020 13:39:57 -0400
From:   Jarod Wilson <jarod@...hat.com>
To:     linux-kernel@...r.kernel.org
Cc:     Jarod Wilson <jarod@...hat.com>,
        Jay Vosburgh <j.vosburgh@...il.com>,
        Veaceslav Falico <vfalico@...il.com>,
        Andy Gospodarek <andy@...yhouse.net>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Thomas Davis <tadavis@....gov>, netdev@...r.kernel.org
Subject: [PATCH net-next v2 2/6] bonding: replace use of the term master where possible

Simply refer to what was the bonding "master" as the "bond" or bonding
device, depending on context. However, do retain compat code for the
bonding_masters sysfs interface to avoid breaking userspace.

Cc: Jay Vosburgh <j.vosburgh@...il.com>
Cc: Veaceslav Falico <vfalico@...il.com>
Cc: Andy Gospodarek <andy@...yhouse.net>
Cc: "David S. Miller" <davem@...emloft.net>
Cc: Jakub Kicinski <kuba@...nel.org>
Cc: Thomas Davis <tadavis@....gov>
Cc: netdev@...r.kernel.org
Signed-off-by: Jarod Wilson <jarod@...hat.com>
---
 drivers/infiniband/core/cma.c                 |   2 +-
 drivers/infiniband/core/lag.c                 |   2 +-
 drivers/infiniband/core/roce_gid_mgmt.c       |   6 +-
 drivers/net/bonding/bond_3ad.c                |   2 +-
 drivers/net/bonding/bond_main.c               |  58 ++++----
 drivers/net/bonding/bond_procfs.c             |   4 +-
 drivers/net/bonding/bond_sysfs.c              | 135 ++++++++++++++----
 .../net/ethernet/mellanox/mlx4/en_netdev.c    |  10 +-
 .../ethernet/netronome/nfp/flower/lag_conf.c  |   2 +-
 .../ethernet/qlogic/netxen/netxen_nic_main.c  |   8 +-
 include/linux/netdevice.h                     |   8 +-
 include/net/bonding.h                         |   4 +-
 12 files changed, 158 insertions(+), 83 deletions(-)

diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
index 7f0e91e92968..fd5ad5139106 100644
--- a/drivers/infiniband/core/cma.c
+++ b/drivers/infiniband/core/cma.c
@@ -4687,7 +4687,7 @@ static int cma_netdev_callback(struct notifier_block *self, unsigned long event,
 	if (event != NETDEV_BONDING_FAILOVER)
 		return NOTIFY_DONE;
 
-	if (!netif_is_bond_master(ndev))
+	if (!netif_is_bond_dev(ndev))
 		return NOTIFY_DONE;
 
 	mutex_lock(&lock);
diff --git a/drivers/infiniband/core/lag.c b/drivers/infiniband/core/lag.c
index 7063e41eaf26..2afaca2f9d0b 100644
--- a/drivers/infiniband/core/lag.c
+++ b/drivers/infiniband/core/lag.c
@@ -128,7 +128,7 @@ struct net_device *rdma_lag_get_ah_roce_slave(struct ib_device *device,
 	dev_hold(master);
 	rcu_read_unlock();
 
-	if (!netif_is_bond_master(master))
+	if (!netif_is_bond_dev(master))
 		goto put;
 
 	slave = rdma_get_xmit_slave_udp(device, master, ah_attr, flags);
diff --git a/drivers/infiniband/core/roce_gid_mgmt.c b/drivers/infiniband/core/roce_gid_mgmt.c
index 2860def84f4d..85c48977be6c 100644
--- a/drivers/infiniband/core/roce_gid_mgmt.c
+++ b/drivers/infiniband/core/roce_gid_mgmt.c
@@ -129,7 +129,7 @@ enum bonding_slave_state {
 static enum bonding_slave_state is_eth_active_slave_of_bonding_rcu(struct net_device *dev,
 								   struct net_device *upper)
 {
-	if (upper && netif_is_bond_master(upper)) {
+	if (upper && netif_is_bond_dev(upper)) {
 		struct net_device *pdev =
 			bond_option_active_slave_get_rcu(netdev_priv(upper));
 
@@ -216,7 +216,7 @@ is_ndev_for_default_gid_filter(struct ib_device *ib_dev, u8 port,
 	 * make sure that it the upper netdevice of rdma netdevice.
 	 */
 	res = ((cookie_ndev == rdma_ndev && !netif_is_bond_slave(rdma_ndev)) ||
-	       (netif_is_bond_master(cookie_ndev) &&
+	       (netif_is_bond_dev(cookie_ndev) &&
 		rdma_is_upper_dev_rcu(rdma_ndev, cookie_ndev)));
 
 	rcu_read_unlock();
@@ -271,7 +271,7 @@ is_upper_ndev_bond_master_filter(struct ib_device *ib_dev, u8 port,
 		return false;
 
 	rcu_read_lock();
-	if (netif_is_bond_master(cookie_ndev) &&
+	if (netif_is_bond_dev(cookie_ndev) &&
 	    rdma_is_upper_dev_rcu(rdma_ndev, cookie_ndev))
 		match = true;
 	rcu_read_unlock();
diff --git a/drivers/net/bonding/bond_3ad.c b/drivers/net/bonding/bond_3ad.c
index 0eb717b0bfc6..852b9c4f6a47 100644
--- a/drivers/net/bonding/bond_3ad.c
+++ b/drivers/net/bonding/bond_3ad.c
@@ -2550,7 +2550,7 @@ void bond_3ad_handle_link_change(struct slave *slave, char link)
 }
 
 /**
- * bond_3ad_set_carrier - set link state for bonding master
+ * bond_3ad_set_carrier - set link state for bonding device
  * @bond: bonding structure
  *
  * if we have an active aggregator, we're up, if not, we're down.
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 28c04a7a5105..405d230b8ea3 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -469,8 +469,8 @@ static const struct xfrmdev_ops bond_xfrmdev_ops = {
 
 /*------------------------------- Link status -------------------------------*/
 
-/* Set the carrier state for the master according to the state of its
- * slaves.  If any slaves are up, the master is up.  In 802.3ad mode,
+/* Set the carrier state for the bond according to the state of its
+ * slaves.  If any slaves are up, the bond is up.  In 802.3ad mode,
  * do special 802.3ad magic.
  *
  * Returns zero if carrier state does not change, nonzero if it does.
@@ -1372,7 +1372,7 @@ static rx_handler_result_t bond_handle_frame(struct sk_buff **pskb)
 	 * inactive slave links without being forced to bind to them
 	 * explicitly.
 	 *
-	 * At the same time, packets that are passed to the bonding master
+	 * At the same time, packets that are passed to the bonding bond
 	 * (including link-local ones) can have their originating interface
 	 * determined via PACKET_ORIGDEV socket option.
 	 */
@@ -1439,8 +1439,8 @@ static enum netdev_lag_hash bond_lag_hash_type(struct bonding *bond,
 	}
 }
 
-static int bond_master_upper_dev_link(struct bonding *bond, struct slave *slave,
-				      struct netlink_ext_ack *extack)
+static int bond_upper_dev_link(struct bonding *bond, struct slave *slave,
+			       struct netlink_ext_ack *extack)
 {
 	struct netdev_lag_upper_info lag_upper_info;
 	enum netdev_lag_tx_type type;
@@ -1515,7 +1515,7 @@ static void bond_netdev_notify_work(struct work_struct *_work)
 		struct netdev_bonding_info binfo;
 
 		bond_fill_ifslave(slave, &binfo.slave);
-		bond_fill_ifbond(slave->bond, &binfo.master);
+		bond_fill_ifbond(slave->bond, &binfo.bond);
 		netdev_bonding_info_change(slave->dev, &binfo);
 		rtnl_unlock();
 	} else {
@@ -1538,7 +1538,7 @@ void bond_lower_state_changed(struct slave *slave)
 	netdev_lower_state_changed(slave->dev, &info);
 }
 
-/* enslave device <slave> to bond device <master> */
+/* enslave device <slave> to bond device <bond> */
 int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev,
 		 struct netlink_ext_ack *extack)
 {
@@ -1667,7 +1667,7 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev,
 
 	call_netdevice_notifiers(NETDEV_JOIN, slave_dev);
 
-	/* If this is the first slave, then we need to set the master's hardware
+	/* If this is the first slave, then we need to set the bond's hardware
 	 * address to be the same as the slave's.
 	 */
 	if (!bond_has_slaves(bond) &&
@@ -1700,15 +1700,15 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev,
 
 	/* Save slave's original ("permanent") mac address for modes
 	 * that need it, and for restoring it upon release, and then
-	 * set it to the master's address
+	 * set it to the bond's address
 	 */
 	bond_hw_addr_copy(new_slave->perm_hwaddr, slave_dev->dev_addr,
 			  slave_dev->addr_len);
 
 	if (!bond->params.fail_over_mac ||
 	    BOND_MODE(bond) != BOND_MODE_ACTIVEBACKUP) {
-		/* Set slave to master's mac address.  The application already
-		 * set the master's mac address to that of the first slave
+		/* Set slave to bond's mac address.  The application already
+		 * set the bond's mac address to that of the first slave
 		 */
 		memcpy(ss.__data, bond_dev->dev_addr, bond_dev->addr_len);
 		ss.ss_family = slave_dev->type;
@@ -1874,7 +1874,7 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev,
 #ifdef CONFIG_NET_POLL_CONTROLLER
 	if (bond->dev->npinfo) {
 		if (slave_enable_netpoll(new_slave)) {
-			slave_info(bond_dev, slave_dev, "master_dev is using netpoll, but new slave device does not support netpoll\n");
+			slave_info(bond_dev, slave_dev, "bond_dev is using netpoll, but new slave device does not support netpoll\n");
 			res = -EBUSY;
 			goto err_detach;
 		}
@@ -1891,9 +1891,9 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev,
 		goto err_detach;
 	}
 
-	res = bond_master_upper_dev_link(bond, new_slave, extack);
+	res = bond_upper_dev_link(bond, new_slave, extack);
 	if (res) {
-		slave_dbg(bond_dev, slave_dev, "Error %d calling bond_master_upper_dev_link\n", res);
+		slave_dbg(bond_dev, slave_dev, "Error %d calling bond_upper_dev_link\n", res);
 		goto err_unregister;
 	}
 
@@ -1984,7 +1984,7 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev,
 	slave_disable_netpoll(new_slave);
 
 err_close:
-	if (!netif_is_bond_master(slave_dev))
+	if (!netif_is_bond_dev(slave_dev))
 		slave_dev->priv_flags &= ~IFF_BONDING;
 	dev_close(slave_dev);
 
@@ -1992,7 +1992,7 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev,
 	slave_dev->flags &= ~IFF_SLAVE;
 	if (!bond->params.fail_over_mac ||
 	    BOND_MODE(bond) != BOND_MODE_ACTIVEBACKUP) {
-		/* XXX TODO - fom follow mode needs to change master's
+		/* XXX TODO - fom follow mode needs to change bond's
 		 * MAC if this slave's MAC is in use by the bond, or at
 		 * least print a warning.
 		 */
@@ -2009,7 +2009,7 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev,
 	bond_free_slave(new_slave);
 
 err_undo_flags:
-	/* Enslave of first slave has failed and we need to fix master's mac */
+	/* Enslave of first slave has failed and we need to fix bond's mac */
 	if (!bond_has_slaves(bond)) {
 		if (ether_addr_equal_64bits(bond_dev->dev_addr,
 					    slave_dev->dev_addr))
@@ -2025,7 +2025,7 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev,
 	return res;
 }
 
-/* Try to release the slave device <slave> from the bond device <master>
+/* Try to release the slave device <slave> from the bond device <bond>
  * It is legal to access curr_active_slave without a lock because all the function
  * is RTNL-locked. If "all" is true it means that the function is being called
  * while destroying a bond interface and all slaves are being released.
@@ -2046,7 +2046,7 @@ static int __bond_release_one(struct net_device *bond_dev,
 	int old_flags = bond_dev->flags;
 	netdev_features_t old_features = bond_dev->features;
 
-	/* slave is not a slave or master is not master of this slave */
+	/* slave is not a slave or bond is not bond of this slave */
 	if (!(slave_dev->flags & IFF_SLAVE) ||
 	    !netdev_has_upper_dev(slave_dev, bond_dev)) {
 		slave_dbg(bond_dev, slave_dev, "cannot release slave\n");
@@ -2183,7 +2183,7 @@ static int __bond_release_one(struct net_device *bond_dev,
 	else
 		dev_set_mtu(slave_dev, slave->original_mtu);
 
-	if (!netif_is_bond_master(slave_dev))
+	if (!netif_is_bond_dev(slave_dev))
 		slave_dev->priv_flags &= ~IFF_BONDING;
 
 	bond_free_slave(slave);
@@ -3251,8 +3251,8 @@ static int bond_event_changename(struct bonding *bond)
 	return NOTIFY_DONE;
 }
 
-static int bond_master_netdev_event(unsigned long event,
-				    struct net_device *bond_dev)
+static int bond_dev_netdev_event(unsigned long event,
+				 struct net_device *bond_dev)
 {
 	struct bonding *event_bond = netdev_priv(bond_dev);
 
@@ -3375,7 +3375,7 @@ static int bond_slave_netdev_event(unsigned long event,
 		bond_compute_features(bond);
 		break;
 	case NETDEV_RESEND_IGMP:
-		/* Propagate to master device */
+		/* Propagate to bond device */
 		call_netdevice_notifiers(event, slave->bond->dev);
 		break;
 	default:
@@ -3406,7 +3406,7 @@ static int bond_netdev_event(struct notifier_block *this,
 	if (event_dev->flags & IFF_MASTER) {
 		int ret;
 
-		ret = bond_master_netdev_event(event, event_dev);
+		ret = bond_dev_netdev_event(event, event_dev);
 		if (ret != NOTIFY_DONE)
 			return ret;
 	}
@@ -3919,7 +3919,7 @@ static int bond_neigh_init(struct neighbour *n)
  * slave exists. So we must declare proxy setup function which will
  * be used at run time to resolve the actual slave neigh param setup.
  *
- * It's also called by master devices (such as vlans) to setup their
+ * It's also called by upper-level devices (such as vlans) to setup their
  * underlying devices. In that case - do nothing, we're already set up from
  * our init.
  */
@@ -3933,7 +3933,7 @@ static int bond_neigh_setup(struct net_device *dev,
 	return 0;
 }
 
-/* Change the MTU of all of a master's slaves to match the master */
+/* Change the MTU of all of a bond's slaves to match the bond */
 static int bond_change_mtu(struct net_device *bond_dev, int new_mtu)
 {
 	struct bonding *bond = netdev_priv(bond_dev);
@@ -3988,7 +3988,7 @@ static int bond_change_mtu(struct net_device *bond_dev, int new_mtu)
 /* Change HW address
  *
  * Note that many devices must be down to change the HW address, and
- * downing the master releases all slaves.  We can make bonds full of
+ * downing the bond releases all slaves.  We can make bonds full of
  * bonding devices to test this, however.
  */
 static int bond_set_mac_address(struct net_device *bond_dev, void *addr)
@@ -4476,11 +4476,11 @@ static u16 bond_select_queue(struct net_device *dev, struct sk_buff *skb,
 	return txq;
 }
 
-static struct net_device *bond_xmit_get_slave(struct net_device *master_dev,
+static struct net_device *bond_xmit_get_slave(struct net_device *bond_dev,
 					      struct sk_buff *skb,
 					      bool all_slaves)
 {
-	struct bonding *bond = netdev_priv(master_dev);
+	struct bonding *bond = netdev_priv(bond_dev);
 	struct bond_up_slave *slaves;
 	struct slave *slave = NULL;
 
diff --git a/drivers/net/bonding/bond_procfs.c b/drivers/net/bonding/bond_procfs.c
index 9017bc163088..2ac60cff9b3a 100644
--- a/drivers/net/bonding/bond_procfs.c
+++ b/drivers/net/bonding/bond_procfs.c
@@ -54,7 +54,7 @@ static void bond_info_seq_stop(struct seq_file *seq, void *v)
 	rcu_read_unlock();
 }
 
-static void bond_info_show_master(struct seq_file *seq)
+static void bond_info_show_bond_dev(struct seq_file *seq)
 {
 	struct bonding *bond = PDE_DATA(file_inode(seq->file));
 	const struct bond_opt_value *optval;
@@ -245,7 +245,7 @@ static int bond_info_seq_show(struct seq_file *seq, void *v)
 {
 	if (v == SEQ_START_TOKEN) {
 		seq_printf(seq, "%s\n", bond_version);
-		bond_info_show_master(seq);
+		bond_info_show_bond_dev(seq);
 	} else
 		bond_info_show_slave(seq, v);
 
diff --git a/drivers/net/bonding/bond_sysfs.c b/drivers/net/bonding/bond_sysfs.c
index 2d615a93685e..152c470e9e49 100644
--- a/drivers/net/bonding/bond_sysfs.c
+++ b/drivers/net/bonding/bond_sysfs.c
@@ -28,15 +28,8 @@
 
 #define to_bond(cd)	((struct bonding *)(netdev_priv(to_net_dev(cd))))
 
-/* "show" function for the bond_masters attribute.
- * The class parameter is ignored.
- */
-static ssize_t bonding_show_bonds(struct class *cls,
-				  struct class_attribute *attr,
-				  char *buf)
+static ssize_t __bonding_show_bonds(struct bond_net *bn, char *buf)
 {
-	struct bond_net *bn =
-		container_of(attr, struct bond_net, class_attr_bonding_masters);
 	int res = 0;
 	struct bonding *bond;
 
@@ -59,6 +52,19 @@ static ssize_t bonding_show_bonds(struct class *cls,
 	return res;
 }
 
+/* "show" function for the bond_devs attribute.
+ * The class parameter is ignored.
+ */
+static ssize_t bonding_show_bonds(struct class *cls,
+				  struct class_attribute *attr,
+				  char *buf)
+{
+	struct bond_net *bn =
+		container_of(attr, struct bond_net, class_attr_bonding_devs);
+
+	return __bonding_show_bonds(bn, buf);
+}
+
 static struct net_device *bond_get_by_name(struct bond_net *bn, const char *ifname)
 {
 	struct bonding *bond;
@@ -70,17 +76,10 @@ static struct net_device *bond_get_by_name(struct bond_net *bn, const char *ifna
 	return NULL;
 }
 
-/* "store" function for the bond_masters attribute.  This is what
- * creates and deletes entire bonds.
- *
- * The class parameter is ignored.
- */
-static ssize_t bonding_store_bonds(struct class *cls,
-				   struct class_attribute *attr,
-				   const char *buffer, size_t count)
+static ssize_t __bonding_store_bonds(struct bond_net *bn, const char *buffer,
+				     size_t count)
 {
-	struct bond_net *bn =
-		container_of(attr, struct bond_net, class_attr_bonding_masters);
+
 	char command[IFNAMSIZ + 1] = {0, };
 	char *ifname;
 	int rv, res = count;
@@ -123,20 +122,73 @@ static ssize_t bonding_store_bonds(struct class *cls,
 	return res;
 
 err_no_cmd:
-	pr_err("no command found in bonding_masters - use +ifname or -ifname\n");
+	pr_err("no command found - use +ifname or -ifname\n");
 	return -EPERM;
 }
 
-/* class attribute for bond_masters file.  This ends up in /sys/class/net */
-static const struct class_attribute class_attr_bonding_masters = {
+/* "store" function for the bond_devs attribute.  This is what
+ * creates and deletes entire bonds.
+ *
+ * The class parameter is ignored.
+ */
+static ssize_t bonding_store_bonds(struct class *cls,
+				   struct class_attribute *attr,
+				   const char *buffer, size_t count)
+{
+	struct bond_net *bn =
+		container_of(attr, struct bond_net, class_attr_bonding_devs);
+
+	return __bonding_store_bonds(bn, buffer, count);
+}
+
+/* class attribute for bond_devs file.  This ends up in /sys/class/net */
+static const struct class_attribute class_attr_bonding_devs = {
 	.attr = {
-		.name = "bonding_masters",
+		.name = "bonding_devs",
 		.mode = 0644,
 	},
 	.show = bonding_show_bonds,
 	.store = bonding_store_bonds,
 };
 
+/* "show" function for the bond_masters attribute.
+ * The class parameter is ignored.
+ */
+static ssize_t bonding_show_bonds_legacy(struct class *cls,
+					 struct class_attribute *attr,
+					 char *buf)
+{
+	struct bond_net *bn = container_of(attr, struct bond_net,
+					   class_attr_bonding_masters);
+
+	return __bonding_show_bonds(bn, buf);
+}
+
+/* "store" function for the bond_masters attribute.  This is what
+ * creates and deletes entire bonds.
+ *
+ * The class parameter is ignored.
+ */
+static ssize_t bonding_store_bonds_legacy(struct class *cls,
+					  struct class_attribute *attr,
+					  const char *buffer, size_t count)
+{
+	struct bond_net *bn = container_of(attr, struct bond_net,
+					   class_attr_bonding_masters);
+
+	return __bonding_store_bonds(bn, buffer, count);
+}
+
+/* legacy sysfs interface name */
+static const struct class_attribute class_attr_bonding_masters = {
+	.attr = {
+		.name = "bonding_masters",
+		.mode = 0644,
+	},
+	.show = bonding_show_bonds_legacy,
+	.store = bonding_store_bonds_legacy,
+};
+
 /* Generic "store" method for bonding sysfs option setting */
 static ssize_t bonding_sysfs_store_option(struct device *d,
 					  struct device_attribute *attr,
@@ -765,22 +817,22 @@ static const struct attribute_group bonding_group = {
 	.attrs = per_bond_attrs,
 };
 
-/* Initialize sysfs.  This sets up the bonding_masters file in
- * /sys/class/net.
+/* Initialize sysfs.  This sets up the bonding_devs file in
+ * /sys/class/net and the legacy compat bonding_masters file.
  */
 int bond_create_sysfs(struct bond_net *bn)
 {
 	int ret;
 
-	bn->class_attr_bonding_masters = class_attr_bonding_masters;
-	sysfs_attr_init(&bn->class_attr_bonding_masters.attr);
+	bn->class_attr_bonding_devs = class_attr_bonding_devs;
+	sysfs_attr_init(&bn->class_attr_bonding_devs.attr);
 
-	ret = netdev_class_create_file_ns(&bn->class_attr_bonding_masters,
+	ret = netdev_class_create_file_ns(&bn->class_attr_bonding_devs,
 					  bn->net);
 	/* Permit multiple loads of the module by ignoring failures to
-	 * create the bonding_masters sysfs file.  Bonding devices
+	 * create the bonding_devs sysfs file.  Bonding devices
 	 * created by second or subsequent loads of the module will
-	 * not be listed in, or controllable by, bonding_masters, but
+	 * not be listed in, or controllable by, bonding_devs, but
 	 * will have the usual "bonding" sysfs directory.
 	 *
 	 * This is done to preserve backwards compatibility for
@@ -788,7 +840,27 @@ int bond_create_sysfs(struct bond_net *bn)
 	 * configure multiple bonding devices.
 	 */
 	if (ret == -EEXIST) {
-		/* Is someone being kinky and naming a device bonding_master? */
+		/* Is someone being naming a device bonding_devs? */
+		if (__dev_get_by_name(bn->net,
+				      class_attr_bonding_devs.attr.name))
+			pr_err("network device named %s already exists in sysfs\n",
+			       class_attr_bonding_devs.attr.name);
+		ret = 0;
+	}
+
+	if (ret) {
+		pr_err("%s: failure creating %s\n", __func__,
+		       class_attr_bonding_devs.attr.name);
+		return ret;
+	}
+
+	bn->class_attr_bonding_masters = class_attr_bonding_masters;
+	sysfs_attr_init(&bn->class_attr_bonding_masters.attr);
+
+	ret = netdev_class_create_file_ns(&bn->class_attr_bonding_masters,
+					  bn->net);
+	if (ret == -EEXIST) {
+		/* Is someone naming a device bonding_masters? */
 		if (__dev_get_by_name(bn->net,
 				      class_attr_bonding_masters.attr.name))
 			pr_err("network device named %s already exists in sysfs\n",
@@ -800,9 +872,10 @@ int bond_create_sysfs(struct bond_net *bn)
 
 }
 
-/* Remove /sys/class/net/bonding_masters. */
+/* Remove /sys/class/net/bonding_devs and _masters. */
 void bond_destroy_sysfs(struct bond_net *bn)
 {
+	netdev_class_remove_file_ns(&bn->class_attr_bonding_devs, bn->net);
 	netdev_class_remove_file_ns(&bn->class_attr_bonding_masters, bn->net);
 }
 
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
index 106513f772c3..598aaf8ae7ae 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
@@ -2982,18 +2982,18 @@ int mlx4_en_netdev_event(struct notifier_block *this,
 			&notifier_info->bonding_info;
 
 		/* required mode 1, 2 or 4 */
-		if ((bonding_info->master.bond_mode != BOND_MODE_ACTIVEBACKUP) &&
-		    (bonding_info->master.bond_mode != BOND_MODE_XOR) &&
-		    (bonding_info->master.bond_mode != BOND_MODE_8023AD))
+		if ((bonding_info->bond.bond_mode != BOND_MODE_ACTIVEBACKUP) &&
+		    (bonding_info->bond.bond_mode != BOND_MODE_XOR) &&
+		    (bonding_info->bond.bond_mode != BOND_MODE_8023AD))
 			do_bond = false;
 
 		/* require exactly 2 slaves */
-		if (bonding_info->master.num_slaves != 2)
+		if (bonding_info->bond.num_slaves != 2)
 			do_bond = false;
 
 		/* calc v2p */
 		if (do_bond) {
-			if (bonding_info->master.bond_mode ==
+			if (bonding_info->bond.bond_mode ==
 			    BOND_MODE_ACTIVEBACKUP) {
 				/* in active-backup mode virtual ports are
 				 * mapped to the physical port of the active
diff --git a/drivers/net/ethernet/netronome/nfp/flower/lag_conf.c b/drivers/net/ethernet/netronome/nfp/flower/lag_conf.c
index 63907aeb3884..431d696c9ac4 100644
--- a/drivers/net/ethernet/netronome/nfp/flower/lag_conf.c
+++ b/drivers/net/ethernet/netronome/nfp/flower/lag_conf.c
@@ -483,7 +483,7 @@ nfp_fl_lag_schedule_group_delete(struct nfp_fl_lag *lag,
 
 	priv = container_of(lag, struct nfp_flower_priv, nfp_lag);
 
-	if (!netif_is_bond_master(master))
+	if (!netif_is_bond_dev(master))
 		return;
 
 	mutex_lock(&lag->lock);
diff --git a/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c b/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c
index f21847739ef1..aa28a7d8e2ea 100644
--- a/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c
+++ b/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c
@@ -3216,7 +3216,7 @@ netxen_list_config_ip(struct netxen_adapter *adapter,
 			goto out;
 		if (is_vlan_dev(dev))
 			dev = vlan_dev_real_dev(dev);
-		cur->master = !!netif_is_bond_master(dev);
+		cur->master = !!netif_is_bond_dev(dev);
 		cur->ip_addr = ifa->ifa_address;
 		list_add_tail(&cur->list, &adapter->ip_list);
 		netxen_config_ipaddr(adapter, ifa->ifa_address, NX_IP_UP);
@@ -3322,7 +3322,7 @@ static void netxen_config_master(struct net_device *dev, unsigned long event)
 	 * Now we should program the bond's (and its vlans')
 	 * addresses in the netxen NIC.
 	 */
-	if (master && netif_is_bond_master(master) &&
+	if (master && netif_is_bond_dev(master) &&
 	    !netif_is_bond_slave(dev)) {
 		netxen_config_indev_addr(adapter, master, event);
 		for_each_netdev_rcu(&init_net, slave)
@@ -3358,7 +3358,7 @@ static int netxen_netdev_event(struct notifier_block *this,
 	}
 	if (event == NETDEV_UP || event == NETDEV_DOWN) {
 		/* If this is a bonding device, look for netxen-based slaves*/
-		if (netif_is_bond_master(dev)) {
+		if (netif_is_bond_dev(dev)) {
 			rcu_read_lock();
 			for_each_netdev_in_bond_rcu(dev, slave) {
 				if (!netxen_config_checkdev(slave))
@@ -3403,7 +3403,7 @@ netxen_inetaddr_event(struct notifier_block *this,
 	}
 	if (event == NETDEV_UP || event == NETDEV_DOWN) {
 		/* If this is a bonding device, look for netxen-based slaves*/
-		if (netif_is_bond_master(dev)) {
+		if (netif_is_bond_dev(dev)) {
 			rcu_read_lock();
 			for_each_netdev_in_bond_rcu(dev, slave) {
 				if (!netxen_config_checkdev(slave))
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 28cfa53daf72..a94c15cdae92 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1498,7 +1498,7 @@ struct net_device_ops {
  *
  * @IFF_802_1Q_VLAN: 802.1Q VLAN device
  * @IFF_EBRIDGE: Ethernet bridging device
- * @IFF_BONDING: bonding master or slave
+ * @IFF_BONDING: bonding netdev or slave
  * @IFF_ISATAP: ISATAP interface (RFC4214)
  * @IFF_WAN_HDLC: WAN HDLC device
  * @IFF_XMIT_DST_RELEASE: dev_hard_start_xmit() is allowed to
@@ -4582,7 +4582,7 @@ struct sk_buff *skb_mac_gso_segment(struct sk_buff *skb,
 
 struct netdev_bonding_info {
 	ifslave	slave;
-	ifbond	master;
+	ifbond	bond;
 };
 
 struct netdev_notifier_bonding_info {
@@ -4806,7 +4806,7 @@ static inline bool netif_is_macvlan_port(const struct net_device *dev)
 	return dev->priv_flags & IFF_MACVLAN_PORT;
 }
 
-static inline bool netif_is_bond_master(const struct net_device *dev)
+static inline bool netif_is_bond_dev(const struct net_device *dev)
 {
 	return dev->flags & IFF_MASTER && dev->priv_flags & IFF_BONDING;
 }
@@ -4873,7 +4873,7 @@ static inline bool netif_is_team_port(const struct net_device *dev)
 
 static inline bool netif_is_lag_master(const struct net_device *dev)
 {
-	return netif_is_bond_master(dev) || netif_is_team_master(dev);
+	return netif_is_bond_dev(dev) || netif_is_team_master(dev);
 }
 
 static inline bool netif_is_lag_port(const struct net_device *dev)
diff --git a/include/net/bonding.h b/include/net/bonding.h
index 7d132cc1e584..bf4f0e1dc2bf 100644
--- a/include/net/bonding.h
+++ b/include/net/bonding.h
@@ -156,7 +156,7 @@ struct bond_parm_tbl {
 
 struct slave {
 	struct net_device *dev; /* first - useful for panic debug */
-	struct bonding *bond; /* our master */
+	struct bonding *bond; /* our bond link aggregator */
 	int    delay;
 	/* all three in jiffies */
 	unsigned long last_link_up;
@@ -613,7 +613,9 @@ struct bond_net {
 #ifdef CONFIG_PROC_FS
 	struct proc_dir_entry	*proc_dir;
 #endif
+	/* _masters is a legacy interface identical to _devs */
 	struct class_attribute	class_attr_bonding_masters;
+	struct class_attribute	class_attr_bonding_devs;
 };
 
 int bond_arp_rcv(const struct sk_buff *skb, struct bonding *bond, struct slave *slave);
-- 
2.27.0

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