#include <linux/uaccess.h>
#include <linux/errno.h>
#include <linux/netdevice.h>
-#include <linux/netpoll.h>
#include <linux/inetdevice.h>
#include <linux/igmp.h>
#include <linux/etherdevice.h>
#include <linux/skbuff.h>
#include <net/sock.h>
#include <linux/rtnetlink.h>
-#include <linux/proc_fs.h>
-#include <linux/seq_file.h>
#include <linux/smp.h>
#include <linux/if_ether.h>
#include <net/arp.h>
atomic_t netpoll_block_tx = ATOMIC_INIT(0);
#endif
-static const char * const version =
- DRV_DESCRIPTION ": v" DRV_VERSION " (" DRV_RELDATE ")\n";
-
int bond_net_id __read_mostly;
static __be32 arp_target[BOND_MAX_ARP_TARGETS];
/*---------------------------- General routines -----------------------------*/
-static const char *bond_mode_name(int mode)
+const char *bond_mode_name(int mode)
{
static const char *names[] = {
[BOND_MODE_ROUNDROBIN] = "load balancing (round-robin)",
{
skb->dev = slave_dev;
skb->priority = 1;
-#ifdef CONFIG_NET_POLL_CONTROLLER
- if (unlikely(bond->dev->priv_flags & IFF_IN_NETPOLL)) {
- struct netpoll *np = bond->dev->npinfo->netpoll;
- slave_dev->npinfo = bond->dev->npinfo;
- slave_dev->priv_flags |= IFF_IN_NETPOLL;
- netpoll_send_skb_on_dev(np, skb, slave_dev);
- slave_dev->priv_flags &= ~IFF_IN_NETPOLL;
- } else
-#endif
+ if (unlikely(netpoll_tx_running(slave_dev)))
+ bond_netpoll_send_skb(bond_get_slave_by_dev(bond, slave_dev), skb);
+ else
dev_queue_xmit(skb);
return 0;
}
#ifdef CONFIG_NET_POLL_CONTROLLER
-/*
- * You must hold read lock on bond->lock before calling this.
- */
-static bool slaves_support_netpoll(struct net_device *bond_dev)
+static inline int slave_enable_netpoll(struct slave *slave)
{
- struct bonding *bond = netdev_priv(bond_dev);
- struct slave *slave;
- int i = 0;
- bool ret = true;
+ struct netpoll *np;
+ int err = 0;
- bond_for_each_slave(bond, slave, i) {
- if ((slave->dev->priv_flags & IFF_DISABLE_NETPOLL) ||
- !slave->dev->netdev_ops->ndo_poll_controller)
- ret = false;
+ np = kzalloc(sizeof(*np), GFP_KERNEL);
+ err = -ENOMEM;
+ if (!np)
+ goto out;
+
+ np->dev = slave->dev;
+ err = __netpoll_setup(np);
+ if (err) {
+ kfree(np);
+ goto out;
}
- return i != 0 && ret;
+ slave->np = np;
+out:
+ return err;
+}
+static inline void slave_disable_netpoll(struct slave *slave)
+{
+ struct netpoll *np = slave->np;
+
+ if (!np)
+ return;
+
+ slave->np = NULL;
+ synchronize_rcu_bh();
+ __netpoll_cleanup(np);
+ kfree(np);
+}
+static inline bool slave_dev_support_netpoll(struct net_device *slave_dev)
+{
+ if (slave_dev->priv_flags & IFF_DISABLE_NETPOLL)
+ return false;
+ if (!slave_dev->netdev_ops->ndo_poll_controller)
+ return false;
+ return true;
}
static void bond_poll_controller(struct net_device *bond_dev)
{
- struct bonding *bond = netdev_priv(bond_dev);
+}
+
+static void __bond_netpoll_cleanup(struct bonding *bond)
+{
struct slave *slave;
int i;
- bond_for_each_slave(bond, slave, i) {
- if (slave->dev && IS_UP(slave->dev))
- netpoll_poll_dev(slave->dev);
- }
+ bond_for_each_slave(bond, slave, i)
+ if (IS_UP(slave->dev))
+ slave_disable_netpoll(slave);
}
-
static void bond_netpoll_cleanup(struct net_device *bond_dev)
{
struct bonding *bond = netdev_priv(bond_dev);
+
+ read_lock(&bond->lock);
+ __bond_netpoll_cleanup(bond);
+ read_unlock(&bond->lock);
+}
+
+static int bond_netpoll_setup(struct net_device *dev, struct netpoll_info *ni)
+{
+ struct bonding *bond = netdev_priv(dev);
struct slave *slave;
- const struct net_device_ops *ops;
- int i;
+ int i, err = 0;
read_lock(&bond->lock);
- bond_dev->npinfo = NULL;
bond_for_each_slave(bond, slave, i) {
- if (slave->dev) {
- ops = slave->dev->netdev_ops;
- if (ops->ndo_netpoll_cleanup)
- ops->ndo_netpoll_cleanup(slave->dev);
- else
- slave->dev->npinfo = NULL;
+ if (!IS_UP(slave->dev))
+ continue;
+ err = slave_enable_netpoll(slave);
+ if (err) {
+ __bond_netpoll_cleanup(bond);
+ break;
}
}
read_unlock(&bond->lock);
+ return err;
}
-#else
+static struct netpoll_info *bond_netpoll_info(struct bonding *bond)
+{
+ return bond->dev->npinfo;
+}
+#else
+static inline int slave_enable_netpoll(struct slave *slave)
+{
+ return 0;
+}
+static inline void slave_disable_netpoll(struct slave *slave)
+{
+}
static void bond_netpoll_cleanup(struct net_device *bond_dev)
{
}
-
#endif
/*---------------------------------- IOCTL ----------------------------------*/
{
struct slave *slave;
struct net_device *bond_dev = bond->dev;
- unsigned long features = bond_dev->features;
- unsigned long vlan_features = 0;
+ u32 features = bond_dev->features;
+ u32 vlan_features = 0;
unsigned short max_hard_header_len = max((u16)ETH_HLEN,
bond_dev->hard_header_len);
int i;
done:
features |= (bond_dev->features & BOND_VLAN_FEATURES);
- bond_dev->features = netdev_fix_features(features, NULL);
- bond_dev->vlan_features = netdev_fix_features(vlan_features, NULL);
+ bond_dev->features = netdev_fix_features(bond_dev, features);
+ bond_dev->vlan_features = netdev_fix_features(bond_dev, vlan_features);
bond_dev->hard_header_len = max_hard_header_len;
return 0;
bond->setup_by_slave = 1;
}
+/* On bonding slaves other than the currently active slave, suppress
+ * duplicates except for 802.3ad ETH_P_SLOW, alb non-mcast/bcast, and
+ * ARP on active-backup slaves with arp_validate enabled.
+ */
+static bool bond_should_deliver_exact_match(struct sk_buff *skb,
+ struct slave *slave,
+ struct bonding *bond)
+{
+ if (bond_is_slave_inactive(slave)) {
+ if (slave_do_arp_validate(bond, slave) &&
+ skb->protocol == __cpu_to_be16(ETH_P_ARP))
+ return false;
+
+ if (bond->params.mode == BOND_MODE_ALB &&
+ skb->pkt_type != PACKET_BROADCAST &&
+ skb->pkt_type != PACKET_MULTICAST)
+ return false;
+
+ if (bond->params.mode == BOND_MODE_8023AD &&
+ skb->protocol == __cpu_to_be16(ETH_P_SLOW))
+ return false;
+
+ return true;
+ }
+ return false;
+}
+
+static rx_handler_result_t bond_handle_frame(struct sk_buff **pskb)
+{
+ struct sk_buff *skb = *pskb;
+ struct slave *slave;
+ struct net_device *bond_dev;
+ struct bonding *bond;
+
+ slave = bond_slave_get_rcu(skb->dev);
+ bond_dev = ACCESS_ONCE(slave->dev->master);
+ if (unlikely(!bond_dev))
+ return RX_HANDLER_PASS;
+
+ skb = skb_share_check(skb, GFP_ATOMIC);
+ if (unlikely(!skb))
+ return RX_HANDLER_CONSUMED;
+
+ *pskb = skb;
+
+ bond = netdev_priv(bond_dev);
+
+ if (bond->params.arp_interval)
+ slave->dev->last_rx = jiffies;
+
+ if (bond_should_deliver_exact_match(skb, slave, bond)) {
+ return RX_HANDLER_EXACT;
+ }
+
+ skb->dev = bond_dev;
+
+ if (bond->params.mode == BOND_MODE_ALB &&
+ bond_dev->priv_flags & IFF_BRIDGE_PORT &&
+ skb->pkt_type == PACKET_HOST) {
+
+ if (unlikely(skb_cow_head(skb,
+ skb->data - skb_mac_header(skb)))) {
+ kfree_skb(skb);
+ return RX_HANDLER_CONSUMED;
+ }
+ memcpy(eth_hdr(skb)->h_dest, bond_dev->dev_addr, ETH_ALEN);
+ }
+
+ return RX_HANDLER_ANOTHER;
+}
+
/* enslave device <slave> to bond device <master> */
int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev)
{
}
}
- res = netdev_set_master(slave_dev, bond_dev);
+ res = netdev_set_bond_master(slave_dev, bond_dev);
if (res) {
- pr_debug("Error %d calling netdev_set_master\n", res);
+ pr_debug("Error %d calling netdev_set_bond_master\n", res);
goto err_restore_mac;
}
+ res = netdev_rx_handler_register(slave_dev, bond_handle_frame,
+ new_slave);
+ if (res) {
+ pr_debug("Error %d calling netdev_rx_handler_register\n", res);
+ goto err_unset_master;
+ }
+
/* open the slave since the application closed it */
res = dev_open(slave_dev);
if (res) {
pr_debug("Opening slave %s failed\n", slave_dev->name);
- goto err_unset_master;
+ goto err_unreg_rxhandler;
}
new_slave->dev = slave_dev;
break;
case BOND_MODE_TLB:
case BOND_MODE_ALB:
- new_slave->state = BOND_STATE_ACTIVE;
+ bond_set_active_slave(new_slave);
bond_set_slave_inactive_flags(new_slave);
bond_select_active_slave(bond);
break;
pr_debug("This slave is always active in trunk mode\n");
/* always active in trunk mode */
- new_slave->state = BOND_STATE_ACTIVE;
+ bond_set_active_slave(new_slave);
/* In trunking mode there is little meaning to curr_active_slave
* anyway (it holds no special properties of the bond device),
bond_set_carrier(bond);
#ifdef CONFIG_NET_POLL_CONTROLLER
- if (slaves_support_netpoll(bond_dev)) {
- bond_dev->priv_flags &= ~IFF_DISABLE_NETPOLL;
- if (bond_dev->npinfo)
- slave_dev->npinfo = bond_dev->npinfo;
- } else if (!(bond_dev->priv_flags & IFF_DISABLE_NETPOLL)) {
- bond_dev->priv_flags |= IFF_DISABLE_NETPOLL;
- pr_info("New slave device %s does not support netpoll\n",
- slave_dev->name);
- pr_info("Disabling netpoll support for %s\n", bond_dev->name);
+ slave_dev->npinfo = bond_netpoll_info(bond);
+ if (slave_dev->npinfo) {
+ if (slave_enable_netpoll(new_slave)) {
+ read_unlock(&bond->lock);
+ pr_info("Error, %s: master_dev is using netpoll, "
+ "but new slave device does not support netpoll.\n",
+ bond_dev->name);
+ res = -EBUSY;
+ goto err_close;
+ }
}
#endif
+
read_unlock(&bond->lock);
res = bond_create_slave_symlinks(bond_dev, slave_dev);
pr_info("%s: enslaving %s as a%s interface with a%s link.\n",
bond_dev->name, slave_dev->name,
- new_slave->state == BOND_STATE_ACTIVE ? "n active" : " backup",
+ bond_is_active_slave(new_slave) ? "n active" : " backup",
new_slave->link != BOND_LINK_DOWN ? "n up" : " down");
/* enslave is successful */
err_close:
dev_close(slave_dev);
+err_unreg_rxhandler:
+ netdev_rx_handler_unregister(slave_dev);
+ synchronize_net();
+
err_unset_master:
- netdev_set_master(slave_dev, NULL);
+ netdev_set_bond_master(slave_dev, NULL);
err_restore_mac:
if (!bond->params.fail_over_mac) {
pr_info("%s: releasing %s interface %s\n",
bond_dev->name,
- (slave->state == BOND_STATE_ACTIVE) ? "active" : "backup",
+ bond_is_active_slave(slave) ? "active" : "backup",
slave_dev->name);
oldcurrent = bond->curr_active_slave;
netif_addr_unlock_bh(bond_dev);
}
- netdev_set_master(slave_dev, NULL);
+ netdev_rx_handler_unregister(slave_dev);
+ synchronize_net();
+ netdev_set_bond_master(slave_dev, NULL);
-#ifdef CONFIG_NET_POLL_CONTROLLER
- read_lock_bh(&bond->lock);
-
- if (slaves_support_netpoll(bond_dev))
- bond_dev->priv_flags &= ~IFF_DISABLE_NETPOLL;
- read_unlock_bh(&bond->lock);
- if (slave_dev->netdev_ops->ndo_netpoll_cleanup)
- slave_dev->netdev_ops->ndo_netpoll_cleanup(slave_dev);
- else
- slave_dev->npinfo = NULL;
-#endif
+ slave_disable_netpoll(slave);
/* close slave before restoring its mac address */
dev_close(slave_dev);
dev_set_mtu(slave_dev, slave->original_mtu);
- slave_dev->priv_flags &= ~(IFF_MASTER_8023AD | IFF_MASTER_ALB |
- IFF_SLAVE_INACTIVE | IFF_BONDING |
- IFF_SLAVE_NEEDARP);
+ slave_dev->priv_flags &= ~IFF_BONDING;
kfree(slave);
ret = bond_release(bond_dev, slave_dev);
if ((ret == 0) && (bond->slave_cnt == 0)) {
+ bond_dev->priv_flags |= IFF_DISABLE_NETPOLL;
pr_info("%s: destroying bond %s.\n",
bond_dev->name, bond_dev->name);
unregister_netdevice(bond_dev);
netif_addr_unlock_bh(bond_dev);
}
- netdev_set_master(slave_dev, NULL);
+ netdev_rx_handler_unregister(slave_dev);
+ synchronize_net();
+ netdev_set_bond_master(slave_dev, NULL);
+
+ slave_disable_netpoll(slave);
/* close slave before restoring its mac address */
dev_close(slave_dev);
dev_set_mac_address(slave_dev, &addr);
}
- slave_dev->priv_flags &= ~(IFF_MASTER_8023AD | IFF_MASTER_ALB |
- IFF_SLAVE_INACTIVE);
-
kfree(slave);
/* re-acquire the lock before getting the next slave */
res = 0;
strcpy(info->slave_name, slave->dev->name);
info->link = slave->link;
- info->state = slave->state;
+ info->state = bond_slave_state(slave);
info->link_failure_count = slave->link_failure_count;
break;
}
bond->dev->name,
(bond->params.mode ==
BOND_MODE_ACTIVEBACKUP) ?
- ((slave->state == BOND_STATE_ACTIVE) ?
+ (bond_is_active_slave(slave) ?
"active " : "backup ") : "",
slave->dev->name,
bond->params.downdelay * bond->params.miimon);
if (bond->params.mode == BOND_MODE_8023AD) {
/* prevent it from being the active one */
- slave->state = BOND_STATE_BACKUP;
+ bond_set_backup_slave(slave);
} else if (bond->params.mode != BOND_MODE_ACTIVEBACKUP) {
/* make it immediately active */
- slave->state = BOND_STATE_ACTIVE;
+ bond_set_active_slave(slave);
} else if (slave != bond->primary_slave) {
/* prevent it from being the active one */
- slave->state = BOND_STATE_BACKUP;
+ bond_set_backup_slave(slave);
}
bond_update_speed_duplex(slave);
static void bond_arp_send_all(struct bonding *bond, struct slave *slave)
{
- int i, vlan_id, rv;
+ int i, vlan_id;
__be32 *targets = bond->params.arp_targets;
struct vlan_entry *vlan;
struct net_device *vlan_dev;
- struct flowi fl;
struct rtable *rt;
for (i = 0; (i < BOND_MAX_ARP_TARGETS); i++) {
* determine which VLAN interface would be used, so we
* can tag the ARP with the proper VLAN tag.
*/
- memset(&fl, 0, sizeof(fl));
- fl.fl4_dst = targets[i];
- fl.fl4_tos = RTO_ONLINK;
-
- rv = ip_route_output_key(dev_net(bond->dev), &rt, &fl);
- if (rv) {
+ rt = ip_route_output(dev_net(bond->dev), targets[i], 0,
+ RTO_ONLINK, 0);
+ if (IS_ERR(rt)) {
if (net_ratelimit()) {
pr_warning("%s: no route to arp_ip_target %pI4\n",
- bond->dev->name, &fl.fl4_dst);
+ bond->dev->name, &targets[i]);
}
continue;
}
if (net_ratelimit()) {
pr_warning("%s: no path to arp_ip_target %pI4 via rt.dev %s\n",
- bond->dev->name, &fl.fl4_dst,
+ bond->dev->name, &targets[i],
rt->dst.dev ? rt->dst.dev->name : "NULL");
}
ip_rt_put(rt);
memcpy(&tip, arp_ptr, 4);
pr_debug("bond_arp_rcv: %s %s/%d av %d sv %d sip %pI4 tip %pI4\n",
- bond->dev->name, slave->dev->name, slave->state,
+ bond->dev->name, slave->dev->name, bond_slave_state(slave),
bond->params.arp_validate, slave_do_arp_validate(bond, slave),
&sip, &tip);
* the active, through one switch, the router, then the other
* switch before reaching the backup.
*/
- if (slave->state == BOND_STATE_ACTIVE)
+ if (bond_is_active_slave(slave))
bond_validate_arp(bond, slave, sip, tip);
else
bond_validate_arp(bond, slave, tip, sip);
slave->dev->last_rx + delta_in_ticks)) {
slave->link = BOND_LINK_UP;
- slave->state = BOND_STATE_ACTIVE;
+ bond_set_active_slave(slave);
/* primary_slave has no meaning in round-robin
* mode. the window of a slave being up and
slave->dev->last_rx + 2 * delta_in_ticks)) {
slave->link = BOND_LINK_DOWN;
- slave->state = BOND_STATE_BACKUP;
+ bond_set_backup_slave(slave);
if (slave->link_failure_count < UINT_MAX)
slave->link_failure_count++;
* gives each slave a chance to tx/rx traffic
* before being taken out
*/
- if (slave->state == BOND_STATE_BACKUP &&
+ if (!bond_is_active_slave(slave) &&
!bond->current_arp_slave &&
!time_in_range(jiffies,
slave_last_rx(bond, slave) - delta_in_ticks,
* the bond has an IP address)
*/
trans_start = dev_trans_start(slave->dev);
- if ((slave->state == BOND_STATE_ACTIVE) &&
+ if (bond_is_active_slave(slave) &&
(!time_in_range(jiffies,
trans_start - delta_in_ticks,
trans_start + 2 * delta_in_ticks) ||
read_unlock(&bond->lock);
}
-/*------------------------------ proc/seq_file-------------------------------*/
-
-#ifdef CONFIG_PROC_FS
-
-static void *bond_info_seq_start(struct seq_file *seq, loff_t *pos)
- __acquires(RCU)
- __acquires(&bond->lock)
-{
- struct bonding *bond = seq->private;
- loff_t off = 0;
- struct slave *slave;
- int i;
-
- /* make sure the bond won't be taken away */
- rcu_read_lock();
- read_lock(&bond->lock);
-
- if (*pos == 0)
- return SEQ_START_TOKEN;
-
- bond_for_each_slave(bond, slave, i) {
- if (++off == *pos)
- return slave;
- }
-
- return NULL;
-}
-
-static void *bond_info_seq_next(struct seq_file *seq, void *v, loff_t *pos)
-{
- struct bonding *bond = seq->private;
- struct slave *slave = v;
-
- ++*pos;
- if (v == SEQ_START_TOKEN)
- return bond->first_slave;
-
- slave = slave->next;
-
- return (slave == bond->first_slave) ? NULL : slave;
-}
-
-static void bond_info_seq_stop(struct seq_file *seq, void *v)
- __releases(&bond->lock)
- __releases(RCU)
-{
- struct bonding *bond = seq->private;
-
- read_unlock(&bond->lock);
- rcu_read_unlock();
-}
-
-static void bond_info_show_master(struct seq_file *seq)
-{
- struct bonding *bond = seq->private;
- struct slave *curr;
- int i;
-
- read_lock(&bond->curr_slave_lock);
- curr = bond->curr_active_slave;
- read_unlock(&bond->curr_slave_lock);
-
- seq_printf(seq, "Bonding Mode: %s",
- bond_mode_name(bond->params.mode));
-
- if (bond->params.mode == BOND_MODE_ACTIVEBACKUP &&
- bond->params.fail_over_mac)
- seq_printf(seq, " (fail_over_mac %s)",
- fail_over_mac_tbl[bond->params.fail_over_mac].modename);
-
- seq_printf(seq, "\n");
-
- if (bond->params.mode == BOND_MODE_XOR ||
- bond->params.mode == BOND_MODE_8023AD) {
- seq_printf(seq, "Transmit Hash Policy: %s (%d)\n",
- xmit_hashtype_tbl[bond->params.xmit_policy].modename,
- bond->params.xmit_policy);
- }
-
- if (USES_PRIMARY(bond->params.mode)) {
- seq_printf(seq, "Primary Slave: %s",
- (bond->primary_slave) ?
- bond->primary_slave->dev->name : "None");
- if (bond->primary_slave)
- seq_printf(seq, " (primary_reselect %s)",
- pri_reselect_tbl[bond->params.primary_reselect].modename);
-
- seq_printf(seq, "\nCurrently Active Slave: %s\n",
- (curr) ? curr->dev->name : "None");
- }
-
- seq_printf(seq, "MII Status: %s\n", netif_carrier_ok(bond->dev) ?
- "up" : "down");
- seq_printf(seq, "MII Polling Interval (ms): %d\n", bond->params.miimon);
- seq_printf(seq, "Up Delay (ms): %d\n",
- bond->params.updelay * bond->params.miimon);
- seq_printf(seq, "Down Delay (ms): %d\n",
- bond->params.downdelay * bond->params.miimon);
-
-
- /* ARP information */
- if (bond->params.arp_interval > 0) {
- int printed = 0;
- seq_printf(seq, "ARP Polling Interval (ms): %d\n",
- bond->params.arp_interval);
-
- seq_printf(seq, "ARP IP target/s (n.n.n.n form):");
-
- for (i = 0; (i < BOND_MAX_ARP_TARGETS); i++) {
- if (!bond->params.arp_targets[i])
- break;
- if (printed)
- seq_printf(seq, ",");
- seq_printf(seq, " %pI4", &bond->params.arp_targets[i]);
- printed = 1;
- }
- seq_printf(seq, "\n");
- }
-
- if (bond->params.mode == BOND_MODE_8023AD) {
- struct ad_info ad_info;
-
- seq_puts(seq, "\n802.3ad info\n");
- seq_printf(seq, "LACP rate: %s\n",
- (bond->params.lacp_fast) ? "fast" : "slow");
- seq_printf(seq, "Aggregator selection policy (ad_select): %s\n",
- ad_select_tbl[bond->params.ad_select].modename);
-
- if (bond_3ad_get_active_agg_info(bond, &ad_info)) {
- seq_printf(seq, "bond %s has no active aggregator\n",
- bond->dev->name);
- } else {
- seq_printf(seq, "Active Aggregator Info:\n");
-
- seq_printf(seq, "\tAggregator ID: %d\n",
- ad_info.aggregator_id);
- seq_printf(seq, "\tNumber of ports: %d\n",
- ad_info.ports);
- seq_printf(seq, "\tActor Key: %d\n",
- ad_info.actor_key);
- seq_printf(seq, "\tPartner Key: %d\n",
- ad_info.partner_key);
- seq_printf(seq, "\tPartner Mac Address: %pM\n",
- ad_info.partner_system);
- }
- }
-}
-
-static void bond_info_show_slave(struct seq_file *seq,
- const struct slave *slave)
-{
- struct bonding *bond = seq->private;
-
- seq_printf(seq, "\nSlave Interface: %s\n", slave->dev->name);
- seq_printf(seq, "MII Status: %s\n",
- (slave->link == BOND_LINK_UP) ? "up" : "down");
- seq_printf(seq, "Speed: %d Mbps\n", slave->speed);
- seq_printf(seq, "Duplex: %s\n", slave->duplex ? "full" : "half");
- seq_printf(seq, "Link Failure Count: %u\n",
- slave->link_failure_count);
-
- seq_printf(seq, "Permanent HW addr: %pM\n", slave->perm_hwaddr);
-
- if (bond->params.mode == BOND_MODE_8023AD) {
- const struct aggregator *agg
- = SLAVE_AD_INFO(slave).port.aggregator;
-
- if (agg)
- seq_printf(seq, "Aggregator ID: %d\n",
- agg->aggregator_identifier);
- else
- seq_puts(seq, "Aggregator ID: N/A\n");
- }
- seq_printf(seq, "Slave queue ID: %d\n", slave->queue_id);
-}
-
-static int bond_info_seq_show(struct seq_file *seq, void *v)
-{
- if (v == SEQ_START_TOKEN) {
- seq_printf(seq, "%s\n", version);
- bond_info_show_master(seq);
- } else
- bond_info_show_slave(seq, v);
-
- return 0;
-}
-
-static const struct seq_operations bond_info_seq_ops = {
- .start = bond_info_seq_start,
- .next = bond_info_seq_next,
- .stop = bond_info_seq_stop,
- .show = bond_info_seq_show,
-};
-
-static int bond_info_open(struct inode *inode, struct file *file)
-{
- struct seq_file *seq;
- struct proc_dir_entry *proc;
- int res;
-
- res = seq_open(file, &bond_info_seq_ops);
- if (!res) {
- /* recover the pointer buried in proc_dir_entry data */
- seq = file->private_data;
- proc = PDE(inode);
- seq->private = proc->data;
- }
-
- return res;
-}
-
-static const struct file_operations bond_info_fops = {
- .owner = THIS_MODULE,
- .open = bond_info_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = seq_release,
-};
-
-static void bond_create_proc_entry(struct bonding *bond)
-{
- struct net_device *bond_dev = bond->dev;
- struct bond_net *bn = net_generic(dev_net(bond_dev), bond_net_id);
-
- if (bn->proc_dir) {
- bond->proc_entry = proc_create_data(bond_dev->name,
- S_IRUGO, bn->proc_dir,
- &bond_info_fops, bond);
- if (bond->proc_entry == NULL)
- pr_warning("Warning: Cannot create /proc/net/%s/%s\n",
- DRV_NAME, bond_dev->name);
- else
- memcpy(bond->proc_file_name, bond_dev->name, IFNAMSIZ);
- }
-}
-
-static void bond_remove_proc_entry(struct bonding *bond)
-{
- struct net_device *bond_dev = bond->dev;
- struct bond_net *bn = net_generic(dev_net(bond_dev), bond_net_id);
-
- if (bn->proc_dir && bond->proc_entry) {
- remove_proc_entry(bond->proc_file_name, bn->proc_dir);
- memset(bond->proc_file_name, 0, IFNAMSIZ);
- bond->proc_entry = NULL;
- }
-}
-
-/* Create the bonding directory under /proc/net, if doesn't exist yet.
- * Caller must hold rtnl_lock.
- */
-static void __net_init bond_create_proc_dir(struct bond_net *bn)
-{
- if (!bn->proc_dir) {
- bn->proc_dir = proc_mkdir(DRV_NAME, bn->net->proc_net);
- if (!bn->proc_dir)
- pr_warning("Warning: cannot create /proc/net/%s\n",
- DRV_NAME);
- }
-}
-
-/* Destroy the bonding directory under /proc/net, if empty.
- * Caller must hold rtnl_lock.
- */
-static void __net_exit bond_destroy_proc_dir(struct bond_net *bn)
-{
- if (bn->proc_dir) {
- remove_proc_entry(DRV_NAME, bn->net->proc_net);
- bn->proc_dir = NULL;
- }
-}
-
-#else /* !CONFIG_PROC_FS */
-
-static void bond_create_proc_entry(struct bonding *bond)
-{
-}
-
-static void bond_remove_proc_entry(struct bonding *bond)
-{
-}
-
-static inline void bond_create_proc_dir(struct bond_net *bn)
-{
-}
-
-static inline void bond_destroy_proc_dir(struct bond_net *bn)
-{
-}
-
-#endif /* CONFIG_PROC_FS */
-
-
/*-------------------------- netdev event handling --------------------------*/
/*
bond_for_each_slave_from(bond, slave, i, start_at) {
if (IS_UP(slave->dev) &&
(slave->link == BOND_LINK_UP) &&
- (slave->state == BOND_STATE_ACTIVE)) {
+ bond_is_active_slave(slave)) {
res = bond_dev_queue_xmit(bond, skb, slave->dev);
break;
}
bond_for_each_slave_from(bond, slave, i, start_at) {
if (IS_UP(slave->dev) &&
(slave->link == BOND_LINK_UP) &&
- (slave->state == BOND_STATE_ACTIVE)) {
+ bond_is_active_slave(slave)) {
res = bond_dev_queue_xmit(bond, skb, slave->dev);
break;
}
bond_for_each_slave_from(bond, slave, i, start_at) {
if (IS_UP(slave->dev) &&
(slave->link == BOND_LINK_UP) &&
- (slave->state == BOND_STATE_ACTIVE)) {
+ bond_is_active_slave(slave)) {
if (tx_dev) {
struct sk_buff *skb2 = skb_clone(skb, GFP_ATOMIC);
if (!skb2) {
{
/*
* This helper function exists to help dev_pick_tx get the correct
- * destination queue. Using a helper function skips the a call to
+ * destination queue. Using a helper function skips a call to
* skb_tx_hash and will put the skbs in the queue we expect on their
* way down to the bonding driver.
*/
- return skb->queue_mapping;
+ u16 txq = skb_rx_queue_recorded(skb) ? skb_get_rx_queue(skb) : 0;
+
+ if (unlikely(txq >= dev->real_num_tx_queues)) {
+ do
+ txq -= dev->real_num_tx_queues;
+ while (txq >= dev->real_num_tx_queues);
+ }
+ return txq;
}
static netdev_tx_t bond_start_xmit(struct sk_buff *skb, struct net_device *dev)
case BOND_MODE_BROADCAST:
break;
case BOND_MODE_8023AD:
- bond_set_master_3ad_flags(bond);
bond_set_xmit_hash_policy(bond);
break;
case BOND_MODE_ALB:
- bond_set_master_alb_flags(bond);
/* FALLTHRU */
case BOND_MODE_TLB:
break;
.ndo_vlan_rx_add_vid = bond_vlan_rx_add_vid,
.ndo_vlan_rx_kill_vid = bond_vlan_rx_kill_vid,
#ifdef CONFIG_NET_POLL_CONTROLLER
+ .ndo_netpoll_setup = bond_netpoll_setup,
.ndo_netpoll_cleanup = bond_netpoll_cleanup,
.ndo_poll_controller = bond_poll_controller,
#endif
+ .ndo_add_slave = bond_enslave,
+ .ndo_del_slave = bond_release,
};
static void bond_destructor(struct net_device *bond_dev)
bond_dev->priv_flags |= IFF_BONDING;
bond_dev->priv_flags &= ~IFF_XMIT_DST_RELEASE;
- if (bond->params.arp_interval)
- bond_dev->priv_flags |= IFF_MASTER_ARPMON;
-
/* At first, we block adding VLANs. That's the only way to
* prevent problems that occur when adding VLANs over an
* empty bond. The block will be removed once non-challenged
bond_set_lockdep_class(bond_dev);
- netif_carrier_off(bond_dev);
-
bond_create_proc_entry(bond);
list_add_tail(&bond->bond_list, &bn->dev_list);
res = register_netdevice(bond_dev);
+ netif_carrier_off(bond_dev);
+
out:
rtnl_unlock();
if (res < 0)
int i;
int res;
- pr_info("%s", version);
+ pr_info("%s", bond_version);
res = bond_check_params(&bonding_defaults);
if (res)
projects / platform / adaptation / renesas_rcar / renesas_kernel.git / blobdiff