--- /dev/null
+#include <linux/proc_fs.h>
+#include <net/net_namespace.h>
+#include <net/netns/generic.h>
+#include "bonding.h"
+
+
+extern const char *bond_mode_name(int mode);
+
+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", bond_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,
+};
+
+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);
+ }
+}
+
+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.
+ */
+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.
+ */
+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;
+ }
+}
git.openpandora.org / pandora-kernel.git / blobdiff