bonding: move procfs code into bond_procfs.c
V2: Move #ifdef CONFIG_PROC_FS into bonding.h, as suggested by David. bond_main.c is bloating, separate the procfs code out, move them to bond_procfs.c Signed-off-by: WANG Cong <amwang@redhat.com> Reviewed-by: Jiri Pirko <jpirko@redhat.com> Signed-off-by: Andy Gospodarek <andy@greyhouse.net> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Amerigo Wang
David S. Miller
Родитель
a015f6f499
Коммит
bd33acc3cc
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@ -6,6 +6,9 @@ obj-$(CONFIG_BONDING) += bonding.o
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bonding-objs := bond_main.o bond_3ad.o bond_alb.o bond_sysfs.o bond_debugfs.o
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proc-$(CONFIG_PROC_FS) += bond_procfs.o
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bonding-objs += $(proc-y)
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ipv6-$(subst m,y,$(CONFIG_IPV6)) += bond_ipv6.o
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bonding-objs += $(ipv6-y)
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@ -65,8 +65,6 @@
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#include <linux/skbuff.h>
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#include <net/sock.h>
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#include <linux/rtnetlink.h>
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#include <linux/proc_fs.h>
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#include <linux/seq_file.h>
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#include <linux/smp.h>
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#include <linux/if_ether.h>
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#include <net/arp.h>
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@ -173,9 +171,6 @@ MODULE_PARM_DESC(resend_igmp, "Number of IGMP membership reports to send on link
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atomic_t netpoll_block_tx = ATOMIC_INIT(0);
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#endif
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static const char * const version =
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DRV_DESCRIPTION ": v" DRV_VERSION " (" DRV_RELDATE ")\n";
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int bond_net_id __read_mostly;
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static __be32 arp_target[BOND_MAX_ARP_TARGETS];
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@ -245,7 +240,7 @@ static void bond_uninit(struct net_device *bond_dev);
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/*---------------------------- General routines -----------------------------*/
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static const char *bond_mode_name(int mode)
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const char *bond_mode_name(int mode)
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{
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static const char *names[] = {
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[BOND_MODE_ROUNDROBIN] = "load balancing (round-robin)",
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@ -3288,299 +3283,6 @@ out:
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read_unlock(&bond->lock);
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}
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/*------------------------------ proc/seq_file-------------------------------*/
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#ifdef CONFIG_PROC_FS
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static void *bond_info_seq_start(struct seq_file *seq, loff_t *pos)
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__acquires(RCU)
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__acquires(&bond->lock)
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{
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struct bonding *bond = seq->private;
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loff_t off = 0;
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struct slave *slave;
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int i;
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/* make sure the bond won't be taken away */
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rcu_read_lock();
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read_lock(&bond->lock);
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if (*pos == 0)
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return SEQ_START_TOKEN;
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bond_for_each_slave(bond, slave, i) {
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if (++off == *pos)
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return slave;
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}
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return NULL;
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}
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static void *bond_info_seq_next(struct seq_file *seq, void *v, loff_t *pos)
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{
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struct bonding *bond = seq->private;
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struct slave *slave = v;
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++*pos;
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if (v == SEQ_START_TOKEN)
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return bond->first_slave;
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slave = slave->next;
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return (slave == bond->first_slave) ? NULL : slave;
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}
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static void bond_info_seq_stop(struct seq_file *seq, void *v)
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__releases(&bond->lock)
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__releases(RCU)
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{
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struct bonding *bond = seq->private;
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read_unlock(&bond->lock);
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rcu_read_unlock();
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}
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static void bond_info_show_master(struct seq_file *seq)
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{
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struct bonding *bond = seq->private;
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struct slave *curr;
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int i;
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read_lock(&bond->curr_slave_lock);
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curr = bond->curr_active_slave;
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read_unlock(&bond->curr_slave_lock);
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seq_printf(seq, "Bonding Mode: %s",
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bond_mode_name(bond->params.mode));
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if (bond->params.mode == BOND_MODE_ACTIVEBACKUP &&
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bond->params.fail_over_mac)
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seq_printf(seq, " (fail_over_mac %s)",
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fail_over_mac_tbl[bond->params.fail_over_mac].modename);
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seq_printf(seq, "\n");
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if (bond->params.mode == BOND_MODE_XOR ||
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bond->params.mode == BOND_MODE_8023AD) {
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seq_printf(seq, "Transmit Hash Policy: %s (%d)\n",
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xmit_hashtype_tbl[bond->params.xmit_policy].modename,
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bond->params.xmit_policy);
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}
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if (USES_PRIMARY(bond->params.mode)) {
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seq_printf(seq, "Primary Slave: %s",
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(bond->primary_slave) ?
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bond->primary_slave->dev->name : "None");
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if (bond->primary_slave)
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seq_printf(seq, " (primary_reselect %s)",
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pri_reselect_tbl[bond->params.primary_reselect].modename);
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seq_printf(seq, "\nCurrently Active Slave: %s\n",
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(curr) ? curr->dev->name : "None");
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}
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seq_printf(seq, "MII Status: %s\n", netif_carrier_ok(bond->dev) ?
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"up" : "down");
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seq_printf(seq, "MII Polling Interval (ms): %d\n", bond->params.miimon);
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seq_printf(seq, "Up Delay (ms): %d\n",
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bond->params.updelay * bond->params.miimon);
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seq_printf(seq, "Down Delay (ms): %d\n",
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bond->params.downdelay * bond->params.miimon);
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/* ARP information */
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if (bond->params.arp_interval > 0) {
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int printed = 0;
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seq_printf(seq, "ARP Polling Interval (ms): %d\n",
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bond->params.arp_interval);
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seq_printf(seq, "ARP IP target/s (n.n.n.n form):");
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for (i = 0; (i < BOND_MAX_ARP_TARGETS); i++) {
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if (!bond->params.arp_targets[i])
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break;
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if (printed)
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seq_printf(seq, ",");
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seq_printf(seq, " %pI4", &bond->params.arp_targets[i]);
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printed = 1;
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}
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seq_printf(seq, "\n");
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}
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if (bond->params.mode == BOND_MODE_8023AD) {
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struct ad_info ad_info;
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seq_puts(seq, "\n802.3ad info\n");
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seq_printf(seq, "LACP rate: %s\n",
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(bond->params.lacp_fast) ? "fast" : "slow");
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seq_printf(seq, "Aggregator selection policy (ad_select): %s\n",
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ad_select_tbl[bond->params.ad_select].modename);
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if (bond_3ad_get_active_agg_info(bond, &ad_info)) {
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seq_printf(seq, "bond %s has no active aggregator\n",
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bond->dev->name);
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} else {
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seq_printf(seq, "Active Aggregator Info:\n");
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seq_printf(seq, "\tAggregator ID: %d\n",
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ad_info.aggregator_id);
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seq_printf(seq, "\tNumber of ports: %d\n",
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ad_info.ports);
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seq_printf(seq, "\tActor Key: %d\n",
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ad_info.actor_key);
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seq_printf(seq, "\tPartner Key: %d\n",
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ad_info.partner_key);
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seq_printf(seq, "\tPartner Mac Address: %pM\n",
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ad_info.partner_system);
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}
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}
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}
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static void bond_info_show_slave(struct seq_file *seq,
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const struct slave *slave)
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{
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struct bonding *bond = seq->private;
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seq_printf(seq, "\nSlave Interface: %s\n", slave->dev->name);
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seq_printf(seq, "MII Status: %s\n",
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(slave->link == BOND_LINK_UP) ? "up" : "down");
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seq_printf(seq, "Speed: %d Mbps\n", slave->speed);
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seq_printf(seq, "Duplex: %s\n", slave->duplex ? "full" : "half");
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seq_printf(seq, "Link Failure Count: %u\n",
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slave->link_failure_count);
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seq_printf(seq, "Permanent HW addr: %pM\n", slave->perm_hwaddr);
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if (bond->params.mode == BOND_MODE_8023AD) {
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const struct aggregator *agg
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= SLAVE_AD_INFO(slave).port.aggregator;
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if (agg)
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seq_printf(seq, "Aggregator ID: %d\n",
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agg->aggregator_identifier);
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else
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seq_puts(seq, "Aggregator ID: N/A\n");
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}
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seq_printf(seq, "Slave queue ID: %d\n", slave->queue_id);
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}
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static int bond_info_seq_show(struct seq_file *seq, void *v)
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{
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if (v == SEQ_START_TOKEN) {
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seq_printf(seq, "%s\n", version);
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bond_info_show_master(seq);
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} else
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bond_info_show_slave(seq, v);
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return 0;
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}
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static const struct seq_operations bond_info_seq_ops = {
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.start = bond_info_seq_start,
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.next = bond_info_seq_next,
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.stop = bond_info_seq_stop,
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.show = bond_info_seq_show,
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};
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static int bond_info_open(struct inode *inode, struct file *file)
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{
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struct seq_file *seq;
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struct proc_dir_entry *proc;
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int res;
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res = seq_open(file, &bond_info_seq_ops);
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if (!res) {
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/* recover the pointer buried in proc_dir_entry data */
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seq = file->private_data;
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proc = PDE(inode);
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seq->private = proc->data;
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}
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return res;
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}
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static const struct file_operations bond_info_fops = {
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.owner = THIS_MODULE,
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.open = bond_info_open,
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.read = seq_read,
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.llseek = seq_lseek,
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.release = seq_release,
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};
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static void bond_create_proc_entry(struct bonding *bond)
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{
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struct net_device *bond_dev = bond->dev;
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struct bond_net *bn = net_generic(dev_net(bond_dev), bond_net_id);
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if (bn->proc_dir) {
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bond->proc_entry = proc_create_data(bond_dev->name,
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S_IRUGO, bn->proc_dir,
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&bond_info_fops, bond);
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if (bond->proc_entry == NULL)
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pr_warning("Warning: Cannot create /proc/net/%s/%s\n",
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DRV_NAME, bond_dev->name);
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else
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memcpy(bond->proc_file_name, bond_dev->name, IFNAMSIZ);
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}
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}
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static void bond_remove_proc_entry(struct bonding *bond)
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{
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struct net_device *bond_dev = bond->dev;
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struct bond_net *bn = net_generic(dev_net(bond_dev), bond_net_id);
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if (bn->proc_dir && bond->proc_entry) {
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remove_proc_entry(bond->proc_file_name, bn->proc_dir);
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memset(bond->proc_file_name, 0, IFNAMSIZ);
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bond->proc_entry = NULL;
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}
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}
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/* Create the bonding directory under /proc/net, if doesn't exist yet.
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* Caller must hold rtnl_lock.
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*/
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static void __net_init bond_create_proc_dir(struct bond_net *bn)
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{
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if (!bn->proc_dir) {
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bn->proc_dir = proc_mkdir(DRV_NAME, bn->net->proc_net);
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if (!bn->proc_dir)
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pr_warning("Warning: cannot create /proc/net/%s\n",
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DRV_NAME);
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}
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}
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/* Destroy the bonding directory under /proc/net, if empty.
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* Caller must hold rtnl_lock.
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*/
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static void __net_exit bond_destroy_proc_dir(struct bond_net *bn)
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{
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if (bn->proc_dir) {
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remove_proc_entry(DRV_NAME, bn->net->proc_net);
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bn->proc_dir = NULL;
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}
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}
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#else /* !CONFIG_PROC_FS */
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static void bond_create_proc_entry(struct bonding *bond)
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{
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}
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static void bond_remove_proc_entry(struct bonding *bond)
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{
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}
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static inline void bond_create_proc_dir(struct bond_net *bn)
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{
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}
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static inline void bond_destroy_proc_dir(struct bond_net *bn)
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{
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}
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#endif /* CONFIG_PROC_FS */
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/*-------------------------- netdev event handling --------------------------*/
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/*
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@ -5384,7 +5086,7 @@ static int __init bonding_init(void)
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int i;
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int res;
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pr_info("%s", version);
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pr_info("%s", bond_version);
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res = bond_check_params(&bonding_defaults);
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if (res)
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@ -0,0 +1,275 @@
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#include <linux/proc_fs.h>
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#include <net/net_namespace.h>
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#include <net/netns/generic.h>
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#include "bonding.h"
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extern const char *bond_mode_name(int mode);
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static void *bond_info_seq_start(struct seq_file *seq, loff_t *pos)
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__acquires(RCU)
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__acquires(&bond->lock)
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{
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struct bonding *bond = seq->private;
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loff_t off = 0;
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struct slave *slave;
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int i;
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/* make sure the bond won't be taken away */
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rcu_read_lock();
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read_lock(&bond->lock);
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if (*pos == 0)
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return SEQ_START_TOKEN;
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bond_for_each_slave(bond, slave, i) {
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if (++off == *pos)
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return slave;
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}
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return NULL;
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}
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static void *bond_info_seq_next(struct seq_file *seq, void *v, loff_t *pos)
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{
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struct bonding *bond = seq->private;
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struct slave *slave = v;
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++*pos;
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if (v == SEQ_START_TOKEN)
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return bond->first_slave;
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slave = slave->next;
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return (slave == bond->first_slave) ? NULL : slave;
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}
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static void bond_info_seq_stop(struct seq_file *seq, void *v)
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__releases(&bond->lock)
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__releases(RCU)
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{
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struct bonding *bond = seq->private;
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read_unlock(&bond->lock);
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rcu_read_unlock();
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}
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static void bond_info_show_master(struct seq_file *seq)
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{
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struct bonding *bond = seq->private;
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struct slave *curr;
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int i;
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read_lock(&bond->curr_slave_lock);
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curr = bond->curr_active_slave;
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read_unlock(&bond->curr_slave_lock);
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seq_printf(seq, "Bonding Mode: %s",
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bond_mode_name(bond->params.mode));
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if (bond->params.mode == BOND_MODE_ACTIVEBACKUP &&
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bond->params.fail_over_mac)
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seq_printf(seq, " (fail_over_mac %s)",
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fail_over_mac_tbl[bond->params.fail_over_mac].modename);
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seq_printf(seq, "\n");
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if (bond->params.mode == BOND_MODE_XOR ||
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bond->params.mode == BOND_MODE_8023AD) {
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seq_printf(seq, "Transmit Hash Policy: %s (%d)\n",
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xmit_hashtype_tbl[bond->params.xmit_policy].modename,
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bond->params.xmit_policy);
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}
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if (USES_PRIMARY(bond->params.mode)) {
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seq_printf(seq, "Primary Slave: %s",
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(bond->primary_slave) ?
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bond->primary_slave->dev->name : "None");
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if (bond->primary_slave)
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seq_printf(seq, " (primary_reselect %s)",
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pri_reselect_tbl[bond->params.primary_reselect].modename);
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seq_printf(seq, "\nCurrently Active Slave: %s\n",
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(curr) ? curr->dev->name : "None");
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}
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seq_printf(seq, "MII Status: %s\n", netif_carrier_ok(bond->dev) ?
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"up" : "down");
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seq_printf(seq, "MII Polling Interval (ms): %d\n", bond->params.miimon);
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seq_printf(seq, "Up Delay (ms): %d\n",
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bond->params.updelay * bond->params.miimon);
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seq_printf(seq, "Down Delay (ms): %d\n",
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bond->params.downdelay * bond->params.miimon);
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/* ARP information */
|
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if (bond->params.arp_interval > 0) {
|
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int printed = 0;
|
||||
seq_printf(seq, "ARP Polling Interval (ms): %d\n",
|
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bond->params.arp_interval);
|
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seq_printf(seq, "ARP IP target/s (n.n.n.n form):");
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||||
|
||||
for (i = 0; (i < BOND_MAX_ARP_TARGETS); i++) {
|
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if (!bond->params.arp_targets[i])
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break;
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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;
|
||||
}
|
||||
}
|
||||
|
|
@ -29,6 +29,8 @@
|
|||
#define DRV_NAME "bonding"
|
||||
#define DRV_DESCRIPTION "Ethernet Channel Bonding Driver"
|
||||
|
||||
#define bond_version DRV_DESCRIPTION ": v" DRV_VERSION " (" DRV_RELDATE ")\n"
|
||||
|
||||
#define BOND_MAX_ARP_TARGETS 16
|
||||
|
||||
#define IS_UP(dev) \
|
||||
|
|
@ -414,6 +416,30 @@ struct bond_net {
|
|||
#endif
|
||||
};
|
||||
|
||||
#ifdef CONFIG_PROC_FS
|
||||
void bond_create_proc_entry(struct bonding *bond);
|
||||
void bond_remove_proc_entry(struct bonding *bond);
|
||||
void bond_create_proc_dir(struct bond_net *bn);
|
||||
void bond_destroy_proc_dir(struct bond_net *bn);
|
||||
#else
|
||||
static inline void bond_create_proc_entry(struct bonding *bond)
|
||||
{
|
||||
}
|
||||
|
||||
static inline 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
|
||||
|
||||
|
||||
/* exported from bond_main.c */
|
||||
extern int bond_net_id;
|
||||
extern const struct bond_parm_tbl bond_lacp_tbl[];
|
||||
|
|
|
|||
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