diff options
Diffstat (limited to 'drivers/net/bonding/bond_sysfs.c')
| -rw-r--r-- | drivers/net/bonding/bond_sysfs.c | 979 |
1 files changed, 127 insertions, 852 deletions
diff --git a/drivers/net/bonding/bond_sysfs.c b/drivers/net/bonding/bond_sysfs.c index 011f163c2c6..daed52f68ce 100644 --- a/drivers/net/bonding/bond_sysfs.c +++ b/drivers/net/bonding/bond_sysfs.c @@ -39,15 +39,13 @@ #include <net/net_namespace.h> #include <net/netns/generic.h> #include <linux/nsproxy.h> -#include <linux/reciprocal_div.h> #include "bonding.h" #define to_dev(obj) container_of(obj, struct device, kobj) #define to_bond(cd) ((struct bonding *)(netdev_priv(to_net_dev(cd)))) -/* - * "show" function for the bond_masters attribute. +/* "show" function for the bond_masters attribute. * The class parameter is ignored. */ static ssize_t bonding_show_bonds(struct class *cls, @@ -89,14 +87,12 @@ 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 +/* "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) @@ -118,9 +114,9 @@ static ssize_t bonding_store_bonds(struct class *cls, rv = bond_create(bn->net, ifname); if (rv) { if (rv == -EEXIST) - pr_info("%s already exists.\n", ifname); + pr_info("%s already exists\n", ifname); else - pr_info("%s creation failed.\n", ifname); + pr_info("%s creation failed\n", ifname); res = rv; } } else if (command[0] == '-') { @@ -145,7 +141,7 @@ 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 in bonding_masters - use +ifname or -ifname\n"); return -EPERM; } @@ -159,9 +155,26 @@ static const struct class_attribute class_attr_bonding_masters = { .store = bonding_store_bonds, }; -/* - * Show the slaves in the current bond. - */ +/* Generic "store" method for bonding sysfs option setting */ +static ssize_t bonding_sysfs_store_option(struct device *d, + struct device_attribute *attr, + const char *buffer, size_t count) +{ + struct bonding *bond = to_bond(d); + const struct bond_option *opt; + int ret; + + opt = bond_opt_get_by_name(attr->attr.name); + if (WARN_ON(!opt)) + return -ENOENT; + ret = bond_opt_tryset_rtnl(bond, opt->id, (char *)buffer); + if (!ret) + ret = count; + + return ret; +} + +/* Show the slaves in the current bond. */ static ssize_t bonding_show_slaves(struct device *d, struct device_attribute *attr, char *buf) { @@ -191,290 +204,87 @@ static ssize_t bonding_show_slaves(struct device *d, return res; } - -/* - * Set the slaves in the current bond. - * This is supposed to be only thin wrapper for bond_enslave and bond_release. - * All hard work should be done there. - */ -static ssize_t bonding_store_slaves(struct device *d, - struct device_attribute *attr, - const char *buffer, size_t count) -{ - char command[IFNAMSIZ + 1] = { 0, }; - char *ifname; - int res, ret = count; - struct net_device *dev; - struct bonding *bond = to_bond(d); - - if (!rtnl_trylock()) - return restart_syscall(); - - sscanf(buffer, "%16s", command); /* IFNAMSIZ*/ - ifname = command + 1; - if ((strlen(command) <= 1) || - !dev_valid_name(ifname)) - goto err_no_cmd; - - dev = __dev_get_by_name(dev_net(bond->dev), ifname); - if (!dev) { - pr_info("%s: Interface %s does not exist!\n", - bond->dev->name, ifname); - ret = -ENODEV; - goto out; - } - - switch (command[0]) { - case '+': - pr_info("%s: Adding slave %s.\n", bond->dev->name, dev->name); - res = bond_enslave(bond->dev, dev); - break; - - case '-': - pr_info("%s: Removing slave %s.\n", bond->dev->name, dev->name); - res = bond_release(bond->dev, dev); - break; - - default: - goto err_no_cmd; - } - - if (res) - ret = res; - goto out; - -err_no_cmd: - pr_err("no command found in slaves file for bond %s. Use +ifname or -ifname.\n", - bond->dev->name); - ret = -EPERM; - -out: - rtnl_unlock(); - return ret; -} - static DEVICE_ATTR(slaves, S_IRUGO | S_IWUSR, bonding_show_slaves, - bonding_store_slaves); + bonding_sysfs_store_option); -/* - * Show and set the bonding mode. The bond interface must be down to - * change the mode. - */ +/* Show the bonding mode. */ static ssize_t bonding_show_mode(struct device *d, struct device_attribute *attr, char *buf) { struct bonding *bond = to_bond(d); + const struct bond_opt_value *val; - return sprintf(buf, "%s %d\n", - bond_mode_tbl[bond->params.mode].modename, - bond->params.mode); -} - -static ssize_t bonding_store_mode(struct device *d, - struct device_attribute *attr, - const char *buf, size_t count) -{ - int new_value, ret; - struct bonding *bond = to_bond(d); - - new_value = bond_parse_parm(buf, bond_mode_tbl); - if (new_value < 0) { - pr_err("%s: Ignoring invalid mode value %.*s.\n", - bond->dev->name, (int)strlen(buf) - 1, buf); - return -EINVAL; - } - if (!rtnl_trylock()) - return restart_syscall(); - - ret = bond_option_mode_set(bond, new_value); - if (!ret) { - pr_info("%s: setting mode to %s (%d).\n", - bond->dev->name, bond_mode_tbl[new_value].modename, - new_value); - ret = count; - } + val = bond_opt_get_val(BOND_OPT_MODE, BOND_MODE(bond)); - rtnl_unlock(); - return ret; + return sprintf(buf, "%s %d\n", val->string, BOND_MODE(bond)); } static DEVICE_ATTR(mode, S_IRUGO | S_IWUSR, - bonding_show_mode, bonding_store_mode); + bonding_show_mode, bonding_sysfs_store_option); -/* - * Show and set the bonding transmit hash method. - */ +/* Show the bonding transmit hash method. */ static ssize_t bonding_show_xmit_hash(struct device *d, struct device_attribute *attr, char *buf) { struct bonding *bond = to_bond(d); + const struct bond_opt_value *val; - return sprintf(buf, "%s %d\n", - xmit_hashtype_tbl[bond->params.xmit_policy].modename, - bond->params.xmit_policy); -} - -static ssize_t bonding_store_xmit_hash(struct device *d, - struct device_attribute *attr, - const char *buf, size_t count) -{ - int new_value, ret; - struct bonding *bond = to_bond(d); - - new_value = bond_parse_parm(buf, xmit_hashtype_tbl); - if (new_value < 0) { - pr_err("%s: Ignoring invalid xmit hash policy value %.*s.\n", - bond->dev->name, - (int)strlen(buf) - 1, buf); - return -EINVAL; - } - - if (!rtnl_trylock()) - return restart_syscall(); + val = bond_opt_get_val(BOND_OPT_XMIT_HASH, bond->params.xmit_policy); - ret = bond_option_xmit_hash_policy_set(bond, new_value); - if (!ret) - ret = count; - - rtnl_unlock(); - return ret; + return sprintf(buf, "%s %d\n", val->string, bond->params.xmit_policy); } static DEVICE_ATTR(xmit_hash_policy, S_IRUGO | S_IWUSR, - bonding_show_xmit_hash, bonding_store_xmit_hash); + bonding_show_xmit_hash, bonding_sysfs_store_option); -/* - * Show and set arp_validate. - */ +/* Show arp_validate. */ static ssize_t bonding_show_arp_validate(struct device *d, struct device_attribute *attr, char *buf) { struct bonding *bond = to_bond(d); + const struct bond_opt_value *val; - return sprintf(buf, "%s %d\n", - arp_validate_tbl[bond->params.arp_validate].modename, - bond->params.arp_validate); -} - -static ssize_t bonding_store_arp_validate(struct device *d, - struct device_attribute *attr, - const char *buf, size_t count) -{ - struct bonding *bond = to_bond(d); - int new_value, ret; - - new_value = bond_parse_parm(buf, arp_validate_tbl); - if (new_value < 0) { - pr_err("%s: Ignoring invalid arp_validate value %s\n", - bond->dev->name, buf); - return -EINVAL; - } - if (!rtnl_trylock()) - return restart_syscall(); - - ret = bond_option_arp_validate_set(bond, new_value); - if (!ret) - ret = count; - - rtnl_unlock(); + val = bond_opt_get_val(BOND_OPT_ARP_VALIDATE, + bond->params.arp_validate); - return ret; + return sprintf(buf, "%s %d\n", val->string, bond->params.arp_validate); } - static DEVICE_ATTR(arp_validate, S_IRUGO | S_IWUSR, bonding_show_arp_validate, - bonding_store_arp_validate); -/* - * Show and set arp_all_targets. - */ + bonding_sysfs_store_option); + +/* Show arp_all_targets. */ static ssize_t bonding_show_arp_all_targets(struct device *d, struct device_attribute *attr, char *buf) { struct bonding *bond = to_bond(d); - int value = bond->params.arp_all_targets; - - return sprintf(buf, "%s %d\n", arp_all_targets_tbl[value].modename, - value); -} + const struct bond_opt_value *val; -static ssize_t bonding_store_arp_all_targets(struct device *d, - struct device_attribute *attr, - const char *buf, size_t count) -{ - struct bonding *bond = to_bond(d); - int new_value, ret; - - new_value = bond_parse_parm(buf, arp_all_targets_tbl); - if (new_value < 0) { - pr_err("%s: Ignoring invalid arp_all_targets value %s\n", - bond->dev->name, buf); - return -EINVAL; - } - - if (!rtnl_trylock()) - return restart_syscall(); - - ret = bond_option_arp_all_targets_set(bond, new_value); - if (!ret) - ret = count; - - rtnl_unlock(); - - return ret; + val = bond_opt_get_val(BOND_OPT_ARP_ALL_TARGETS, + bond->params.arp_all_targets); + return sprintf(buf, "%s %d\n", + val->string, bond->params.arp_all_targets); } - static DEVICE_ATTR(arp_all_targets, S_IRUGO | S_IWUSR, - bonding_show_arp_all_targets, bonding_store_arp_all_targets); + bonding_show_arp_all_targets, bonding_sysfs_store_option); -/* - * Show and store fail_over_mac. User only allowed to change the - * value when there are no slaves. - */ +/* Show fail_over_mac. */ static ssize_t bonding_show_fail_over_mac(struct device *d, struct device_attribute *attr, char *buf) { struct bonding *bond = to_bond(d); + const struct bond_opt_value *val; - return sprintf(buf, "%s %d\n", - fail_over_mac_tbl[bond->params.fail_over_mac].modename, - bond->params.fail_over_mac); -} - -static ssize_t bonding_store_fail_over_mac(struct device *d, - struct device_attribute *attr, - const char *buf, size_t count) -{ - int new_value, ret; - struct bonding *bond = to_bond(d); - - new_value = bond_parse_parm(buf, fail_over_mac_tbl); - if (new_value < 0) { - pr_err("%s: Ignoring invalid fail_over_mac value %s.\n", - bond->dev->name, buf); - return -EINVAL; - } - - if (!rtnl_trylock()) - return restart_syscall(); + val = bond_opt_get_val(BOND_OPT_FAIL_OVER_MAC, + bond->params.fail_over_mac); - ret = bond_option_fail_over_mac_set(bond, new_value); - if (!ret) - ret = count; - - rtnl_unlock(); - return ret; + return sprintf(buf, "%s %d\n", val->string, bond->params.fail_over_mac); } - static DEVICE_ATTR(fail_over_mac, S_IRUGO | S_IWUSR, - bonding_show_fail_over_mac, bonding_store_fail_over_mac); + bonding_show_fail_over_mac, bonding_sysfs_store_option); -/* - * Show and set the arp timer interval. There are two tricky bits - * here. First, if ARP monitoring is activated, then we must disable - * MII monitoring. Second, if the ARP timer isn't running, we must - * start it. - */ +/* Show the arp timer interval. */ static ssize_t bonding_show_arp_interval(struct device *d, struct device_attribute *attr, char *buf) @@ -483,42 +293,16 @@ static ssize_t bonding_show_arp_interval(struct device *d, return sprintf(buf, "%d\n", bond->params.arp_interval); } - -static ssize_t bonding_store_arp_interval(struct device *d, - struct device_attribute *attr, - const char *buf, size_t count) -{ - struct bonding *bond = to_bond(d); - int new_value, ret; - - if (sscanf(buf, "%d", &new_value) != 1) { - pr_err("%s: no arp_interval value specified.\n", - bond->dev->name); - return -EINVAL; - } - - if (!rtnl_trylock()) - return restart_syscall(); - - ret = bond_option_arp_interval_set(bond, new_value); - if (!ret) - ret = count; - - rtnl_unlock(); - return ret; -} static DEVICE_ATTR(arp_interval, S_IRUGO | S_IWUSR, - bonding_show_arp_interval, bonding_store_arp_interval); + bonding_show_arp_interval, bonding_sysfs_store_option); -/* - * Show and set the arp targets. - */ +/* Show the arp targets. */ static ssize_t bonding_show_arp_targets(struct device *d, struct device_attribute *attr, char *buf) { - int i, res = 0; struct bonding *bond = to_bond(d); + int i, res = 0; for (i = 0; i < BOND_MAX_ARP_TARGETS; i++) { if (bond->params.arp_targets[i]) @@ -527,47 +311,13 @@ static ssize_t bonding_show_arp_targets(struct device *d, } if (res) buf[res-1] = '\n'; /* eat the leftover space */ - return res; -} - -static ssize_t bonding_store_arp_targets(struct device *d, - struct device_attribute *attr, - const char *buf, size_t count) -{ - struct bonding *bond = to_bond(d); - __be32 target; - int ret = -EPERM; - if (!in4_pton(buf + 1, -1, (u8 *)&target, -1, NULL)) { - pr_err("%s: invalid ARP target %pI4 specified\n", - bond->dev->name, &target); - return -EPERM; - } - - if (!rtnl_trylock()) - return restart_syscall(); - - if (buf[0] == '+') - ret = bond_option_arp_ip_target_add(bond, target); - else if (buf[0] == '-') - ret = bond_option_arp_ip_target_rem(bond, target); - else - pr_err("no command found in arp_ip_targets file for bond %s. Use +<addr> or -<addr>.\n", - bond->dev->name); - - if (!ret) - ret = count; - - rtnl_unlock(); - return ret; + return res; } -static DEVICE_ATTR(arp_ip_target, S_IRUGO | S_IWUSR , bonding_show_arp_targets, bonding_store_arp_targets); +static DEVICE_ATTR(arp_ip_target, S_IRUGO | S_IWUSR, + bonding_show_arp_targets, bonding_sysfs_store_option); -/* - * Show and set the up and down delays. These must be multiples of the - * MII monitoring value, and are stored internally as the multiplier. - * Thus, we must translate to MS for the real world. - */ +/* Show the up and down delays. */ static ssize_t bonding_show_downdelay(struct device *d, struct device_attribute *attr, char *buf) @@ -576,31 +326,8 @@ static ssize_t bonding_show_downdelay(struct device *d, return sprintf(buf, "%d\n", bond->params.downdelay * bond->params.miimon); } - -static ssize_t bonding_store_downdelay(struct device *d, - struct device_attribute *attr, - const char *buf, size_t count) -{ - int new_value, ret; - struct bonding *bond = to_bond(d); - - if (sscanf(buf, "%d", &new_value) != 1) { - pr_err("%s: no down delay value specified.\n", bond->dev->name); - return -EINVAL; - } - - if (!rtnl_trylock()) - return restart_syscall(); - - ret = bond_option_downdelay_set(bond, new_value); - if (!ret) - ret = count; - - rtnl_unlock(); - return ret; -} static DEVICE_ATTR(downdelay, S_IRUGO | S_IWUSR, - bonding_show_downdelay, bonding_store_downdelay); + bonding_show_downdelay, bonding_sysfs_store_option); static ssize_t bonding_show_updelay(struct device *d, struct device_attribute *attr, @@ -611,74 +338,23 @@ static ssize_t bonding_show_updelay(struct device *d, return sprintf(buf, "%d\n", bond->params.updelay * bond->params.miimon); } - -static ssize_t bonding_store_updelay(struct device *d, - struct device_attribute *attr, - const char *buf, size_t count) -{ - int new_value, ret; - struct bonding *bond = to_bond(d); - - if (sscanf(buf, "%d", &new_value) != 1) { - pr_err("%s: no up delay value specified.\n", - bond->dev->name); - return -EINVAL; - } - - if (!rtnl_trylock()) - return restart_syscall(); - - ret = bond_option_updelay_set(bond, new_value); - if (!ret) - ret = count; - - rtnl_unlock(); - return ret; -} static DEVICE_ATTR(updelay, S_IRUGO | S_IWUSR, - bonding_show_updelay, bonding_store_updelay); + bonding_show_updelay, bonding_sysfs_store_option); -/* - * Show and set the LACP interval. Interface must be down, and the mode - * must be set to 802.3ad mode. - */ +/* Show the LACP interval. */ static ssize_t bonding_show_lacp(struct device *d, struct device_attribute *attr, char *buf) { struct bonding *bond = to_bond(d); + const struct bond_opt_value *val; - return sprintf(buf, "%s %d\n", - bond_lacp_tbl[bond->params.lacp_fast].modename, - bond->params.lacp_fast); -} - -static ssize_t bonding_store_lacp(struct device *d, - struct device_attribute *attr, - const char *buf, size_t count) -{ - struct bonding *bond = to_bond(d); - int new_value, ret; - - new_value = bond_parse_parm(buf, bond_lacp_tbl); - if (new_value < 0) { - pr_err("%s: Ignoring invalid LACP rate value %.*s.\n", - bond->dev->name, (int)strlen(buf) - 1, buf); - return -EINVAL; - } + val = bond_opt_get_val(BOND_OPT_LACP_RATE, bond->params.lacp_fast); - if (!rtnl_trylock()) - return restart_syscall(); - - ret = bond_option_lacp_rate_set(bond, new_value); - if (!ret) - ret = count; - - rtnl_unlock(); - return ret; + return sprintf(buf, "%s %d\n", val->string, bond->params.lacp_fast); } static DEVICE_ATTR(lacp_rate, S_IRUGO | S_IWUSR, - bonding_show_lacp, bonding_store_lacp); + bonding_show_lacp, bonding_sysfs_store_option); static ssize_t bonding_show_min_links(struct device *d, struct device_attribute *attr, @@ -686,79 +362,26 @@ static ssize_t bonding_show_min_links(struct device *d, { struct bonding *bond = to_bond(d); - return sprintf(buf, "%d\n", bond->params.min_links); -} - -static ssize_t bonding_store_min_links(struct device *d, - struct device_attribute *attr, - const char *buf, size_t count) -{ - struct bonding *bond = to_bond(d); - int ret; - unsigned int new_value; - - ret = kstrtouint(buf, 0, &new_value); - if (ret < 0) { - pr_err("%s: Ignoring invalid min links value %s.\n", - bond->dev->name, buf); - return ret; - } - - if (!rtnl_trylock()) - return restart_syscall(); - - ret = bond_option_min_links_set(bond, new_value); - if (!ret) - ret = count; - - rtnl_unlock(); - return ret; + return sprintf(buf, "%u\n", bond->params.min_links); } static DEVICE_ATTR(min_links, S_IRUGO | S_IWUSR, - bonding_show_min_links, bonding_store_min_links); + bonding_show_min_links, bonding_sysfs_store_option); static ssize_t bonding_show_ad_select(struct device *d, struct device_attribute *attr, char *buf) { struct bonding *bond = to_bond(d); + const struct bond_opt_value *val; - return sprintf(buf, "%s %d\n", - ad_select_tbl[bond->params.ad_select].modename, - bond->params.ad_select); -} - - -static ssize_t bonding_store_ad_select(struct device *d, - struct device_attribute *attr, - const char *buf, size_t count) -{ - int new_value, ret; - struct bonding *bond = to_bond(d); - - new_value = bond_parse_parm(buf, ad_select_tbl); - if (new_value < 0) { - pr_err("%s: Ignoring invalid ad_select value %.*s.\n", - bond->dev->name, (int)strlen(buf) - 1, buf); - return -EINVAL; - } - - if (!rtnl_trylock()) - return restart_syscall(); + val = bond_opt_get_val(BOND_OPT_AD_SELECT, bond->params.ad_select); - ret = bond_option_ad_select_set(bond, new_value); - if (!ret) - ret = count; - - rtnl_unlock(); - return ret; + return sprintf(buf, "%s %d\n", val->string, bond->params.ad_select); } static DEVICE_ATTR(ad_select, S_IRUGO | S_IWUSR, - bonding_show_ad_select, bonding_store_ad_select); + bonding_show_ad_select, bonding_sysfs_store_option); -/* - * Show and set the number of peer notifications to send after a failover event. - */ +/* Show and set the number of peer notifications to send after a failover event. */ static ssize_t bonding_show_num_peer_notif(struct device *d, struct device_attribute *attr, char *buf) @@ -772,24 +395,12 @@ static ssize_t bonding_store_num_peer_notif(struct device *d, const char *buf, size_t count) { struct bonding *bond = to_bond(d); - u8 new_value; int ret; - ret = kstrtou8(buf, 10, &new_value); - if (ret) { - pr_err("%s: invalid value %s specified.\n", - bond->dev->name, buf); - return ret; - } - - if (!rtnl_trylock()) - return restart_syscall(); - - ret = bond_option_num_peer_notif_set(bond, new_value); + ret = bond_opt_tryset_rtnl(bond, BOND_OPT_NUM_PEER_NOTIF, (char *)buf); if (!ret) ret = count; - rtnl_unlock(); return ret; } static DEVICE_ATTR(num_grat_arp, S_IRUGO | S_IWUSR, @@ -797,12 +408,7 @@ static DEVICE_ATTR(num_grat_arp, S_IRUGO | S_IWUSR, static DEVICE_ATTR(num_unsol_na, S_IRUGO | S_IWUSR, bonding_show_num_peer_notif, bonding_store_num_peer_notif); -/* - * Show and set the MII monitor interval. There are two tricky bits - * here. First, if MII monitoring is activated, then we must disable - * ARP monitoring. Second, if the timer isn't running, we must - * start it. - */ +/* Show the MII monitor interval. */ static ssize_t bonding_show_miimon(struct device *d, struct device_attribute *attr, char *buf) @@ -811,40 +417,10 @@ static ssize_t bonding_show_miimon(struct device *d, return sprintf(buf, "%d\n", bond->params.miimon); } - -static ssize_t bonding_store_miimon(struct device *d, - struct device_attribute *attr, - const char *buf, size_t count) -{ - int new_value, ret; - struct bonding *bond = to_bond(d); - - if (sscanf(buf, "%d", &new_value) != 1) { - pr_err("%s: no miimon value specified.\n", - bond->dev->name); - return -EINVAL; - } - - if (!rtnl_trylock()) - return restart_syscall(); - - ret = bond_option_miimon_set(bond, new_value); - if (!ret) - ret = count; - - rtnl_unlock(); - return ret; -} static DEVICE_ATTR(miimon, S_IRUGO | S_IWUSR, - bonding_show_miimon, bonding_store_miimon); + bonding_show_miimon, bonding_sysfs_store_option); -/* - * Show and set the primary slave. The store function is much - * simpler than bonding_store_slaves function because it only needs to - * handle one interface name. - * The bond must be a mode that supports a primary for this be - * set. - */ +/* Show the primary slave. */ static ssize_t bonding_show_primary(struct device *d, struct device_attribute *attr, char *buf) @@ -857,78 +433,27 @@ static ssize_t bonding_show_primary(struct device *d, return count; } - -static ssize_t bonding_store_primary(struct device *d, - struct device_attribute *attr, - const char *buf, size_t count) -{ - struct bonding *bond = to_bond(d); - char ifname[IFNAMSIZ]; - int ret; - - sscanf(buf, "%15s", ifname); /* IFNAMSIZ */ - if (ifname[0] == '\n') - ifname[0] = '\0'; - - if (!rtnl_trylock()) - return restart_syscall(); - - ret = bond_option_primary_set(bond, ifname); - if (!ret) - ret = count; - - rtnl_unlock(); - return ret; -} static DEVICE_ATTR(primary, S_IRUGO | S_IWUSR, - bonding_show_primary, bonding_store_primary); + bonding_show_primary, bonding_sysfs_store_option); -/* - * Show and set the primary_reselect flag. - */ +/* Show the primary_reselect flag. */ static ssize_t bonding_show_primary_reselect(struct device *d, struct device_attribute *attr, char *buf) { struct bonding *bond = to_bond(d); + const struct bond_opt_value *val; - return sprintf(buf, "%s %d\n", - pri_reselect_tbl[bond->params.primary_reselect].modename, - bond->params.primary_reselect); -} - -static ssize_t bonding_store_primary_reselect(struct device *d, - struct device_attribute *attr, - const char *buf, size_t count) -{ - int new_value, ret; - struct bonding *bond = to_bond(d); - - new_value = bond_parse_parm(buf, pri_reselect_tbl); - if (new_value < 0) { - pr_err("%s: Ignoring invalid primary_reselect value %.*s.\n", - bond->dev->name, - (int) strlen(buf) - 1, buf); - return -EINVAL; - } - - if (!rtnl_trylock()) - return restart_syscall(); + val = bond_opt_get_val(BOND_OPT_PRIMARY_RESELECT, + bond->params.primary_reselect); - ret = bond_option_primary_reselect_set(bond, new_value); - if (!ret) - ret = count; - - rtnl_unlock(); - return ret; + return sprintf(buf, "%s %d\n", + val->string, bond->params.primary_reselect); } static DEVICE_ATTR(primary_reselect, S_IRUGO | S_IWUSR, - bonding_show_primary_reselect, - bonding_store_primary_reselect); + bonding_show_primary_reselect, bonding_sysfs_store_option); -/* - * Show and set the use_carrier flag. - */ +/* Show the use_carrier flag. */ static ssize_t bonding_show_carrier(struct device *d, struct device_attribute *attr, char *buf) @@ -937,37 +462,11 @@ static ssize_t bonding_show_carrier(struct device *d, return sprintf(buf, "%d\n", bond->params.use_carrier); } - -static ssize_t bonding_store_carrier(struct device *d, - struct device_attribute *attr, - const char *buf, size_t count) -{ - int new_value, ret; - struct bonding *bond = to_bond(d); - - if (sscanf(buf, "%d", &new_value) != 1) { - pr_err("%s: no use_carrier value specified.\n", - bond->dev->name); - return -EINVAL; - } - - if (!rtnl_trylock()) - return restart_syscall(); - - ret = bond_option_use_carrier_set(bond, new_value); - if (!ret) - ret = count; - - rtnl_unlock(); - return ret; -} static DEVICE_ATTR(use_carrier, S_IRUGO | S_IWUSR, - bonding_show_carrier, bonding_store_carrier); + bonding_show_carrier, bonding_sysfs_store_option); -/* - * Show and set currently active_slave. - */ +/* Show currently active_slave. */ static ssize_t bonding_show_active_slave(struct device *d, struct device_attribute *attr, char *buf) @@ -984,47 +483,10 @@ static ssize_t bonding_show_active_slave(struct device *d, return count; } - -static ssize_t bonding_store_active_slave(struct device *d, - struct device_attribute *attr, - const char *buf, size_t count) -{ - int ret; - struct bonding *bond = to_bond(d); - char ifname[IFNAMSIZ]; - struct net_device *dev; - - if (!rtnl_trylock()) - return restart_syscall(); - - sscanf(buf, "%15s", ifname); /* IFNAMSIZ */ - if (!strlen(ifname) || buf[0] == '\n') { - dev = NULL; - } else { - dev = __dev_get_by_name(dev_net(bond->dev), ifname); - if (!dev) { - ret = -ENODEV; - goto out; - } - } - - ret = bond_option_active_slave_set(bond, dev); - if (!ret) - ret = count; - - out: - rtnl_unlock(); - - return ret; - -} static DEVICE_ATTR(active_slave, S_IRUGO | S_IWUSR, - bonding_show_active_slave, bonding_store_active_slave); - + bonding_show_active_slave, bonding_sysfs_store_option); -/* - * Show link status of the bond interface. - */ +/* Show link status of the bond interface. */ static ssize_t bonding_show_mii_status(struct device *d, struct device_attribute *attr, char *buf) @@ -1035,9 +497,7 @@ static ssize_t bonding_show_mii_status(struct device *d, } static DEVICE_ATTR(mii_status, S_IRUGO, bonding_show_mii_status, NULL); -/* - * Show current 802.3ad aggregator ID. - */ +/* Show current 802.3ad aggregator ID. */ static ssize_t bonding_show_ad_aggregator(struct device *d, struct device_attribute *attr, char *buf) @@ -1045,7 +505,7 @@ static ssize_t bonding_show_ad_aggregator(struct device *d, int count = 0; struct bonding *bond = to_bond(d); - if (bond->params.mode == BOND_MODE_8023AD) { + if (BOND_MODE(bond) == BOND_MODE_8023AD) { struct ad_info ad_info; count = sprintf(buf, "%d\n", bond_3ad_get_active_agg_info(bond, &ad_info) @@ -1057,9 +517,7 @@ static ssize_t bonding_show_ad_aggregator(struct device *d, static DEVICE_ATTR(ad_aggregator, S_IRUGO, bonding_show_ad_aggregator, NULL); -/* - * Show number of active 802.3ad ports. - */ +/* Show number of active 802.3ad ports. */ static ssize_t bonding_show_ad_num_ports(struct device *d, struct device_attribute *attr, char *buf) @@ -1067,7 +525,7 @@ static ssize_t bonding_show_ad_num_ports(struct device *d, int count = 0; struct bonding *bond = to_bond(d); - if (bond->params.mode == BOND_MODE_8023AD) { + if (BOND_MODE(bond) == BOND_MODE_8023AD) { struct ad_info ad_info; count = sprintf(buf, "%d\n", bond_3ad_get_active_agg_info(bond, &ad_info) @@ -1079,9 +537,7 @@ static ssize_t bonding_show_ad_num_ports(struct device *d, static DEVICE_ATTR(ad_num_ports, S_IRUGO, bonding_show_ad_num_ports, NULL); -/* - * Show current 802.3ad actor key. - */ +/* Show current 802.3ad actor key. */ static ssize_t bonding_show_ad_actor_key(struct device *d, struct device_attribute *attr, char *buf) @@ -1089,7 +545,7 @@ static ssize_t bonding_show_ad_actor_key(struct device *d, int count = 0; struct bonding *bond = to_bond(d); - if (bond->params.mode == BOND_MODE_8023AD) { + if (BOND_MODE(bond) == BOND_MODE_8023AD) { struct ad_info ad_info; count = sprintf(buf, "%d\n", bond_3ad_get_active_agg_info(bond, &ad_info) @@ -1101,9 +557,7 @@ static ssize_t bonding_show_ad_actor_key(struct device *d, static DEVICE_ATTR(ad_actor_key, S_IRUGO, bonding_show_ad_actor_key, NULL); -/* - * Show current 802.3ad partner key. - */ +/* Show current 802.3ad partner key. */ static ssize_t bonding_show_ad_partner_key(struct device *d, struct device_attribute *attr, char *buf) @@ -1111,7 +565,7 @@ static ssize_t bonding_show_ad_partner_key(struct device *d, int count = 0; struct bonding *bond = to_bond(d); - if (bond->params.mode == BOND_MODE_8023AD) { + if (BOND_MODE(bond) == BOND_MODE_8023AD) { struct ad_info ad_info; count = sprintf(buf, "%d\n", bond_3ad_get_active_agg_info(bond, &ad_info) @@ -1123,9 +577,7 @@ static ssize_t bonding_show_ad_partner_key(struct device *d, static DEVICE_ATTR(ad_partner_key, S_IRUGO, bonding_show_ad_partner_key, NULL); -/* - * Show current 802.3ad partner mac. - */ +/* Show current 802.3ad partner mac. */ static ssize_t bonding_show_ad_partner_mac(struct device *d, struct device_attribute *attr, char *buf) @@ -1133,7 +585,7 @@ static ssize_t bonding_show_ad_partner_mac(struct device *d, int count = 0; struct bonding *bond = to_bond(d); - if (bond->params.mode == BOND_MODE_8023AD) { + if (BOND_MODE(bond) == BOND_MODE_8023AD) { struct ad_info ad_info; if (!bond_3ad_get_active_agg_info(bond, &ad_info)) count = sprintf(buf, "%pM\n", ad_info.partner_system); @@ -1143,9 +595,7 @@ static ssize_t bonding_show_ad_partner_mac(struct device *d, } static DEVICE_ATTR(ad_partner_mac, S_IRUGO, bonding_show_ad_partner_mac, NULL); -/* - * Show the queue_ids of the slaves in the current bond. - */ +/* Show the queue_ids of the slaves in the current bond. */ static ssize_t bonding_show_queue_id(struct device *d, struct device_attribute *attr, char *buf) @@ -1176,88 +626,11 @@ static ssize_t bonding_show_queue_id(struct device *d, return res; } - -/* - * Set the queue_ids of the slaves in the current bond. The bond - * interface must be enslaved for this to work. - */ -static ssize_t bonding_store_queue_id(struct device *d, - struct device_attribute *attr, - const char *buffer, size_t count) -{ - struct slave *slave, *update_slave; - struct bonding *bond = to_bond(d); - struct list_head *iter; - u16 qid; - int ret = count; - char *delim; - struct net_device *sdev = NULL; - - if (!rtnl_trylock()) - return restart_syscall(); - - /* delim will point to queue id if successful */ - delim = strchr(buffer, ':'); - if (!delim) - goto err_no_cmd; - - /* - * Terminate string that points to device name and bump it - * up one, so we can read the queue id there. - */ - *delim = '\0'; - if (sscanf(++delim, "%hd\n", &qid) != 1) - goto err_no_cmd; - - /* Check buffer length, valid ifname and queue id */ - if (strlen(buffer) > IFNAMSIZ || - !dev_valid_name(buffer) || - qid > bond->dev->real_num_tx_queues) - goto err_no_cmd; - - /* Get the pointer to that interface if it exists */ - sdev = __dev_get_by_name(dev_net(bond->dev), buffer); - if (!sdev) - goto err_no_cmd; - - /* Search for thes slave and check for duplicate qids */ - update_slave = NULL; - bond_for_each_slave(bond, slave, iter) { - if (sdev == slave->dev) - /* - * We don't need to check the matching - * slave for dups, since we're overwriting it - */ - update_slave = slave; - else if (qid && qid == slave->queue_id) { - goto err_no_cmd; - } - } - - if (!update_slave) - goto err_no_cmd; - - /* Actually set the qids for the slave */ - update_slave->queue_id = qid; - -out: - rtnl_unlock(); - return ret; - -err_no_cmd: - pr_info("invalid input for queue_id set for %s.\n", - bond->dev->name); - ret = -EPERM; - goto out; -} - static DEVICE_ATTR(queue_id, S_IRUGO | S_IWUSR, bonding_show_queue_id, - bonding_store_queue_id); + bonding_sysfs_store_option); -/* - * Show and set the all_slaves_active flag. - */ +/* Show the all_slaves_active flag. */ static ssize_t bonding_show_slaves_active(struct device *d, struct device_attribute *attr, char *buf) @@ -1266,36 +639,10 @@ static ssize_t bonding_show_slaves_active(struct device *d, return sprintf(buf, "%d\n", bond->params.all_slaves_active); } - -static ssize_t bonding_store_slaves_active(struct device *d, - struct device_attribute *attr, - const char *buf, size_t count) -{ - struct bonding *bond = to_bond(d); - int new_value, ret; - - if (sscanf(buf, "%d", &new_value) != 1) { - pr_err("%s: no all_slaves_active value specified.\n", - bond->dev->name); - return -EINVAL; - } - - if (!rtnl_trylock()) - return restart_syscall(); - - ret = bond_option_all_slaves_active_set(bond, new_value); - if (!ret) - ret = count; - - rtnl_unlock(); - return ret; -} static DEVICE_ATTR(all_slaves_active, S_IRUGO | S_IWUSR, - bonding_show_slaves_active, bonding_store_slaves_active); + bonding_show_slaves_active, bonding_sysfs_store_option); -/* - * Show and set the number of IGMP membership reports to send on link failure - */ +/* Show the number of IGMP membership reports to send on link failure */ static ssize_t bonding_show_resend_igmp(struct device *d, struct device_attribute *attr, char *buf) @@ -1304,33 +651,8 @@ static ssize_t bonding_show_resend_igmp(struct device *d, return sprintf(buf, "%d\n", bond->params.resend_igmp); } - -static ssize_t bonding_store_resend_igmp(struct device *d, - struct device_attribute *attr, - const char *buf, size_t count) -{ - int new_value, ret = count; - struct bonding *bond = to_bond(d); - - if (sscanf(buf, "%d", &new_value) != 1) { - pr_err("%s: no resend_igmp value specified.\n", - bond->dev->name); - return -EINVAL; - } - - if (!rtnl_trylock()) - return restart_syscall(); - - ret = bond_option_resend_igmp_set(bond, new_value); - if (!ret) - ret = count; - - rtnl_unlock(); - return ret; -} - static DEVICE_ATTR(resend_igmp, S_IRUGO | S_IWUSR, - bonding_show_resend_igmp, bonding_store_resend_igmp); + bonding_show_resend_igmp, bonding_sysfs_store_option); static ssize_t bonding_show_lp_interval(struct device *d, @@ -1338,35 +660,21 @@ static ssize_t bonding_show_lp_interval(struct device *d, char *buf) { struct bonding *bond = to_bond(d); + return sprintf(buf, "%d\n", bond->params.lp_interval); } +static DEVICE_ATTR(lp_interval, S_IRUGO | S_IWUSR, + bonding_show_lp_interval, bonding_sysfs_store_option); -static ssize_t bonding_store_lp_interval(struct device *d, - struct device_attribute *attr, - const char *buf, size_t count) +static ssize_t bonding_show_tlb_dynamic_lb(struct device *d, + struct device_attribute *attr, + char *buf) { struct bonding *bond = to_bond(d); - int new_value, ret; - - if (sscanf(buf, "%d", &new_value) != 1) { - pr_err("%s: no lp interval value specified.\n", - bond->dev->name); - return -EINVAL; - } - - if (!rtnl_trylock()) - return restart_syscall(); - - ret = bond_option_lp_interval_set(bond, new_value); - if (!ret) - ret = count; - - rtnl_unlock(); - return ret; + return sprintf(buf, "%d\n", bond->params.tlb_dynamic_lb); } - -static DEVICE_ATTR(lp_interval, S_IRUGO | S_IWUSR, - bonding_show_lp_interval, bonding_store_lp_interval); +static DEVICE_ATTR(tlb_dynamic_lb, S_IRUGO | S_IWUSR, + bonding_show_tlb_dynamic_lb, bonding_sysfs_store_option); static ssize_t bonding_show_packets_per_slave(struct device *d, struct device_attribute *attr, @@ -1375,39 +683,10 @@ static ssize_t bonding_show_packets_per_slave(struct device *d, struct bonding *bond = to_bond(d); unsigned int packets_per_slave = bond->params.packets_per_slave; - if (packets_per_slave > 1) - packets_per_slave = reciprocal_value(packets_per_slave); - return sprintf(buf, "%u\n", packets_per_slave); } - -static ssize_t bonding_store_packets_per_slave(struct device *d, - struct device_attribute *attr, - const char *buf, size_t count) -{ - struct bonding *bond = to_bond(d); - int new_value, ret; - - if (sscanf(buf, "%d", &new_value) != 1) { - pr_err("%s: no packets_per_slave value specified.\n", - bond->dev->name); - return -EINVAL; - } - - if (!rtnl_trylock()) - return restart_syscall(); - - ret = bond_option_packets_per_slave_set(bond, new_value); - if (!ret) - ret = count; - - rtnl_unlock(); - return ret; -} - static DEVICE_ATTR(packets_per_slave, S_IRUGO | S_IWUSR, - bonding_show_packets_per_slave, - bonding_store_packets_per_slave); + bonding_show_packets_per_slave, bonding_sysfs_store_option); static struct attribute *per_bond_attrs[] = { &dev_attr_slaves.attr, @@ -1441,6 +720,7 @@ static struct attribute *per_bond_attrs[] = { &dev_attr_min_links.attr, &dev_attr_lp_interval.attr, &dev_attr_packets_per_slave.attr, + &dev_attr_tlb_dynamic_lb.attr, NULL, }; @@ -1449,8 +729,7 @@ static struct attribute_group bonding_group = { .attrs = per_bond_attrs, }; -/* - * Initialize sysfs. This sets up the bonding_masters file in +/* Initialize sysfs. This sets up the bonding_masters file in * /sys/class/net. */ int bond_create_sysfs(struct bond_net *bn) @@ -1462,8 +741,7 @@ int bond_create_sysfs(struct bond_net *bn) ret = netdev_class_create_file_ns(&bn->class_attr_bonding_masters, bn->net); - /* - * Permit multiple loads of the module by ignoring failures to + /* Permit multiple loads of the module by ignoring failures to * create the bonding_masters sysfs file. Bonding devices * created by second or subsequent loads of the module will * not be listed in, or controllable by, bonding_masters, but @@ -1477,7 +755,7 @@ int bond_create_sysfs(struct bond_net *bn) /* Is someone being kinky and naming a device bonding_master? */ if (__dev_get_by_name(bn->net, class_attr_bonding_masters.attr.name)) - pr_err("network device named %s already exists in sysfs", + pr_err("network device named %s already exists in sysfs\n", class_attr_bonding_masters.attr.name); ret = 0; } @@ -1486,16 +764,13 @@ int bond_create_sysfs(struct bond_net *bn) } -/* - * Remove /sys/class/net/bonding_masters. - */ +/* Remove /sys/class/net/bonding_masters. */ void bond_destroy_sysfs(struct bond_net *bn) { netdev_class_remove_file_ns(&bn->class_attr_bonding_masters, bn->net); } -/* - * Initialize sysfs for each bond. This sets up and registers +/* Initialize sysfs for each bond. This sets up and registers * the 'bondctl' directory for each individual bond under /sys/class/net. */ void bond_prepare_sysfs_group(struct bonding *bond) |