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-rw-r--r--drivers/net/bonding/bond_main.c45
-rw-r--r--drivers/net/bonding/bond_netlink.c67
-rw-r--r--drivers/net/bonding/bond_options.c96
-rw-r--r--drivers/net/bonding/bond_sysfs.c69
-rw-r--r--drivers/net/bonding/bonding.h3
5 files changed, 207 insertions, 73 deletions
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 11bedbaf37db..e06c4453eabb 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -3933,6 +3933,29 @@ static void bond_uninit(struct net_device *bond_dev)
/*------------------------- Module initialization ---------------------------*/
+int bond_parm_tbl_lookup(int mode, const struct bond_parm_tbl *tbl)
+{
+ int i;
+
+ for (i = 0; tbl[i].modename; i++)
+ if (mode == tbl[i].mode)
+ return tbl[i].mode;
+
+ return -1;
+}
+
+static int bond_parm_tbl_lookup_name(const char *modename,
+ const struct bond_parm_tbl *tbl)
+{
+ int i;
+
+ for (i = 0; tbl[i].modename; i++)
+ if (strcmp(modename, tbl[i].modename) == 0)
+ return tbl[i].mode;
+
+ return -1;
+}
+
/*
* Convert string input module parms. Accept either the
* number of the mode or its string name. A bit complicated because
@@ -3941,27 +3964,17 @@ static void bond_uninit(struct net_device *bond_dev)
*/
int bond_parse_parm(const char *buf, const struct bond_parm_tbl *tbl)
{
- int modeint = -1, i, rv;
- char *p, modestr[BOND_MAX_MODENAME_LEN + 1] = { 0, };
+ int modeint;
+ char *p, modestr[BOND_MAX_MODENAME_LEN + 1];
for (p = (char *)buf; *p; p++)
if (!(isdigit(*p) || isspace(*p)))
break;
- if (*p)
- rv = sscanf(buf, "%20s", modestr);
- else
- rv = sscanf(buf, "%d", &modeint);
-
- if (!rv)
- return -1;
-
- for (i = 0; tbl[i].modename; i++) {
- if (modeint == tbl[i].mode)
- return tbl[i].mode;
- if (strcmp(modestr, tbl[i].modename) == 0)
- return tbl[i].mode;
- }
+ if (*p && sscanf(buf, "%20s", modestr) != 0)
+ return bond_parm_tbl_lookup_name(modestr, tbl);
+ else if (sscanf(buf, "%d", &modeint) != 0)
+ return bond_parm_tbl_lookup(modeint, tbl);
return -1;
}
diff --git a/drivers/net/bonding/bond_netlink.c b/drivers/net/bonding/bond_netlink.c
index 84acd144d075..555c7837d8e6 100644
--- a/drivers/net/bonding/bond_netlink.c
+++ b/drivers/net/bonding/bond_netlink.c
@@ -43,6 +43,9 @@ static const struct nla_policy bond_policy[IFLA_BOND_MAX + 1] = {
[IFLA_BOND_MIN_LINKS] = { .type = NLA_U32 },
[IFLA_BOND_LP_INTERVAL] = { .type = NLA_U32 },
[IFLA_BOND_PACKETS_PER_SLAVE] = { .type = NLA_U32 },
+ [IFLA_BOND_AD_LACP_RATE] = { .type = NLA_U8 },
+ [IFLA_BOND_AD_SELECT] = { .type = NLA_U8 },
+ [IFLA_BOND_AD_INFO] = { .type = NLA_NESTED },
};
static int bond_validate(struct nlattr *tb[], struct nlattr *data[])
@@ -252,6 +255,22 @@ static int bond_changelink(struct net_device *bond_dev,
if (err)
return err;
}
+ if (data[IFLA_BOND_AD_LACP_RATE]) {
+ int lacp_rate =
+ nla_get_u8(data[IFLA_BOND_AD_LACP_RATE]);
+
+ err = bond_option_lacp_rate_set(bond, lacp_rate);
+ if (err)
+ return err;
+ }
+ if (data[IFLA_BOND_AD_SELECT]) {
+ int ad_select =
+ nla_get_u8(data[IFLA_BOND_AD_SELECT]);
+
+ err = bond_option_ad_select_set(bond, ad_select);
+ if (err)
+ return err;
+ }
return 0;
}
@@ -277,6 +296,7 @@ static size_t bond_get_size(const struct net_device *bond_dev)
nla_total_size(sizeof(u8)) + /* IFLA_BOND_USE_CARRIER */
nla_total_size(sizeof(u32)) + /* IFLA_BOND_ARP_INTERVAL */
/* IFLA_BOND_ARP_IP_TARGET */
+ nla_total_size(sizeof(struct nlattr)) +
nla_total_size(sizeof(u32)) * BOND_MAX_ARP_TARGETS +
nla_total_size(sizeof(u32)) + /* IFLA_BOND_ARP_VALIDATE */
nla_total_size(sizeof(u32)) + /* IFLA_BOND_ARP_ALL_TARGETS */
@@ -290,6 +310,14 @@ static size_t bond_get_size(const struct net_device *bond_dev)
nla_total_size(sizeof(u32)) + /* IFLA_BOND_MIN_LINKS */
nla_total_size(sizeof(u32)) + /* IFLA_BOND_LP_INTERVAL */
nla_total_size(sizeof(u32)) + /* IFLA_BOND_PACKETS_PER_SLAVE */
+ nla_total_size(sizeof(u8)) + /* IFLA_BOND_AD_LACP_RATE */
+ nla_total_size(sizeof(u8)) + /* IFLA_BOND_AD_SELECT */
+ nla_total_size(sizeof(struct nlattr)) + /* IFLA_BOND_AD_INFO */
+ nla_total_size(sizeof(u16)) + /* IFLA_BOND_AD_INFO_AGGREGATOR */
+ nla_total_size(sizeof(u16)) + /* IFLA_BOND_AD_INFO_NUM_PORTS */
+ nla_total_size(sizeof(u16)) + /* IFLA_BOND_AD_INFO_ACTOR_KEY */
+ nla_total_size(sizeof(u16)) + /* IFLA_BOND_AD_INFO_PARTNER_KEY*/
+ nla_total_size(ETH_ALEN) + /* IFLA_BOND_AD_INFO_PARTNER_MAC*/
0;
}
@@ -395,6 +423,45 @@ static int bond_fill_info(struct sk_buff *skb,
packets_per_slave))
goto nla_put_failure;
+ if (nla_put_u8(skb, IFLA_BOND_AD_LACP_RATE,
+ bond->params.lacp_fast))
+ goto nla_put_failure;
+
+ if (nla_put_u8(skb, IFLA_BOND_AD_SELECT,
+ bond->params.ad_select))
+ goto nla_put_failure;
+
+ if (bond->params.mode == BOND_MODE_8023AD) {
+ struct ad_info info;
+
+ if (!bond_3ad_get_active_agg_info(bond, &info)) {
+ struct nlattr *nest;
+
+ nest = nla_nest_start(skb, IFLA_BOND_AD_INFO);
+ if (!nest)
+ goto nla_put_failure;
+
+ if (nla_put_u16(skb, IFLA_BOND_AD_INFO_AGGREGATOR,
+ info.aggregator_id))
+ goto nla_put_failure;
+ if (nla_put_u16(skb, IFLA_BOND_AD_INFO_NUM_PORTS,
+ info.ports))
+ goto nla_put_failure;
+ if (nla_put_u16(skb, IFLA_BOND_AD_INFO_ACTOR_KEY,
+ info.actor_key))
+ goto nla_put_failure;
+ if (nla_put_u16(skb, IFLA_BOND_AD_INFO_PARTNER_KEY,
+ info.partner_key))
+ goto nla_put_failure;
+ if (nla_put(skb, IFLA_BOND_AD_INFO_PARTNER_MAC,
+ sizeof(info.partner_system),
+ &info.partner_system))
+ goto nla_put_failure;
+
+ nla_nest_end(skb, nest);
+ }
+ }
+
return 0;
nla_put_failure:
diff --git a/drivers/net/bonding/bond_options.c b/drivers/net/bonding/bond_options.c
index f8a2cd8c7b57..945a6668da83 100644
--- a/drivers/net/bonding/bond_options.c
+++ b/drivers/net/bonding/bond_options.c
@@ -19,19 +19,11 @@
#include <linux/reciprocal_div.h>
#include "bonding.h"
-static bool bond_mode_is_valid(int mode)
-{
- int i;
-
- for (i = 0; bond_mode_tbl[i].modename; i++);
-
- return mode >= 0 && mode < i;
-}
-
int bond_option_mode_set(struct bonding *bond, int mode)
{
- if (!bond_mode_is_valid(mode)) {
- pr_err("invalid mode value %d.\n", mode);
+ if (bond_parm_tbl_lookup(mode, bond_mode_tbl) < 0) {
+ pr_err("%s: Ignoring invalid mode value %d.\n",
+ bond->dev->name, mode);
return -EINVAL;
}
@@ -438,11 +430,18 @@ int bond_option_arp_ip_targets_set(struct bonding *bond, __be32 *targets,
int bond_option_arp_validate_set(struct bonding *bond, int arp_validate)
{
+ if (bond_parm_tbl_lookup(arp_validate, arp_validate_tbl) < 0) {
+ pr_err("%s: Ignoring invalid arp_validate value %d.\n",
+ bond->dev->name, arp_validate);
+ return -EINVAL;
+ }
+
if (bond->params.mode != BOND_MODE_ACTIVEBACKUP) {
pr_err("%s: arp_validate only supported in active-backup mode.\n",
bond->dev->name);
return -EINVAL;
}
+
pr_info("%s: setting arp_validate to %s (%d).\n",
bond->dev->name, arp_validate_tbl[arp_validate].modename,
arp_validate);
@@ -460,6 +459,12 @@ int bond_option_arp_validate_set(struct bonding *bond, int arp_validate)
int bond_option_arp_all_targets_set(struct bonding *bond, int arp_all_targets)
{
+ if (bond_parm_tbl_lookup(arp_all_targets, arp_all_targets_tbl) < 0) {
+ pr_err("%s: Ignoring invalid arp_all_targets value %d.\n",
+ bond->dev->name, arp_all_targets);
+ return -EINVAL;
+ }
+
pr_info("%s: setting arp_all_targets to %s (%d).\n",
bond->dev->name, arp_all_targets_tbl[arp_all_targets].modename,
arp_all_targets);
@@ -523,6 +528,12 @@ out:
int bond_option_primary_reselect_set(struct bonding *bond, int primary_reselect)
{
+ if (bond_parm_tbl_lookup(primary_reselect, pri_reselect_tbl) < 0) {
+ pr_err("%s: Ignoring invalid primary_reselect value %d.\n",
+ bond->dev->name, primary_reselect);
+ return -EINVAL;
+ }
+
bond->params.primary_reselect = primary_reselect;
pr_info("%s: setting primary_reselect to %s (%d).\n",
bond->dev->name, pri_reselect_tbl[primary_reselect].modename,
@@ -539,6 +550,12 @@ int bond_option_primary_reselect_set(struct bonding *bond, int primary_reselect)
int bond_option_fail_over_mac_set(struct bonding *bond, int fail_over_mac)
{
+ if (bond_parm_tbl_lookup(fail_over_mac, fail_over_mac_tbl) < 0) {
+ pr_err("%s: Ignoring invalid fail_over_mac value %d.\n",
+ bond->dev->name, fail_over_mac);
+ return -EINVAL;
+ }
+
if (bond_has_slaves(bond)) {
pr_err("%s: Can't alter fail_over_mac with slaves in bond.\n",
bond->dev->name);
@@ -555,6 +572,12 @@ int bond_option_fail_over_mac_set(struct bonding *bond, int fail_over_mac)
int bond_option_xmit_hash_policy_set(struct bonding *bond, int xmit_hash_policy)
{
+ if (bond_parm_tbl_lookup(xmit_hash_policy, xmit_hashtype_tbl) < 0) {
+ pr_err("%s: Ignoring invalid xmit_hash_policy value %d.\n",
+ bond->dev->name, xmit_hash_policy);
+ return -EINVAL;
+ }
+
bond->params.xmit_policy = xmit_hash_policy;
pr_info("%s: setting xmit hash policy to %s (%d).\n",
bond->dev->name,
@@ -656,3 +679,54 @@ int bond_option_packets_per_slave_set(struct bonding *bond,
return 0;
}
+
+int bond_option_lacp_rate_set(struct bonding *bond, int lacp_rate)
+{
+ if (bond_parm_tbl_lookup(lacp_rate, bond_lacp_tbl) < 0) {
+ pr_err("%s: Ignoring invalid LACP rate value %d.\n",
+ bond->dev->name, lacp_rate);
+ return -EINVAL;
+ }
+
+ if (bond->dev->flags & IFF_UP) {
+ pr_err("%s: Unable to update LACP rate because interface is up.\n",
+ bond->dev->name);
+ return -EPERM;
+ }
+
+ if (bond->params.mode != BOND_MODE_8023AD) {
+ pr_err("%s: Unable to update LACP rate because bond is not in 802.3ad mode.\n",
+ bond->dev->name);
+ return -EPERM;
+ }
+
+ bond->params.lacp_fast = lacp_rate;
+ bond_3ad_update_lacp_rate(bond);
+ pr_info("%s: Setting LACP rate to %s (%d).\n",
+ bond->dev->name, bond_lacp_tbl[lacp_rate].modename,
+ lacp_rate);
+
+ return 0;
+}
+
+int bond_option_ad_select_set(struct bonding *bond, int ad_select)
+{
+ if (bond_parm_tbl_lookup(ad_select, ad_select_tbl) < 0) {
+ pr_err("%s: Ignoring invalid ad_select value %d.\n",
+ bond->dev->name, ad_select);
+ return -EINVAL;
+ }
+
+ if (bond->dev->flags & IFF_UP) {
+ pr_err("%s: Unable to update ad_select because interface is up.\n",
+ bond->dev->name);
+ return -EPERM;
+ }
+
+ bond->params.ad_select = ad_select;
+ pr_info("%s: Setting ad_select to %s (%d).\n",
+ bond->dev->name, ad_select_tbl[ad_select].modename,
+ ad_select);
+
+ return 0;
+}
diff --git a/drivers/net/bonding/bond_sysfs.c b/drivers/net/bonding/bond_sysfs.c
index a0a3476fadba..9a1ea4a171c7 100644
--- a/drivers/net/bonding/bond_sysfs.c
+++ b/drivers/net/bonding/bond_sysfs.c
@@ -658,41 +658,23 @@ static ssize_t bonding_store_lacp(struct device *d,
const char *buf, size_t count)
{
struct bonding *bond = to_bond(d);
- int new_value, ret = count;
-
- if (!rtnl_trylock())
- return restart_syscall();
-
- if (bond->dev->flags & IFF_UP) {
- pr_err("%s: Unable to update LACP rate because interface is up.\n",
- bond->dev->name);
- ret = -EPERM;
- goto out;
- }
-
- if (bond->params.mode != BOND_MODE_8023AD) {
- pr_err("%s: Unable to update LACP rate because bond is not in 802.3ad mode.\n",
- bond->dev->name);
- ret = -EPERM;
- goto out;
- }
+ int new_value, ret;
new_value = bond_parse_parm(buf, bond_lacp_tbl);
-
- if ((new_value == 1) || (new_value == 0)) {
- bond->params.lacp_fast = new_value;
- bond_3ad_update_lacp_rate(bond);
- pr_info("%s: Setting LACP rate to %s (%d).\n",
- bond->dev->name, bond_lacp_tbl[new_value].modename,
- new_value);
- } else {
+ if (new_value < 0) {
pr_err("%s: Ignoring invalid LACP rate value %.*s.\n",
bond->dev->name, (int)strlen(buf) - 1, buf);
- ret = -EINVAL;
+ return -EINVAL;
}
-out:
- rtnl_unlock();
+ if (!rtnl_trylock())
+ return restart_syscall();
+
+ ret = bond_option_lacp_rate_set(bond, new_value);
+ if (!ret)
+ ret = count;
+
+ rtnl_unlock();
return ret;
}
static DEVICE_ATTR(lacp_rate, S_IRUGO | S_IWUSR,
@@ -751,29 +733,24 @@ static ssize_t bonding_store_ad_select(struct device *d,
struct device_attribute *attr,
const char *buf, size_t count)
{
- int new_value, ret = count;
+ int new_value, ret;
struct bonding *bond = to_bond(d);
- if (bond->dev->flags & IFF_UP) {
- pr_err("%s: Unable to update ad_select because interface is up.\n",
- bond->dev->name);
- ret = -EPERM;
- goto out;
- }
-
new_value = bond_parse_parm(buf, ad_select_tbl);
-
- if (new_value != -1) {
- bond->params.ad_select = new_value;
- pr_info("%s: Setting ad_select to %s (%d).\n",
- bond->dev->name, ad_select_tbl[new_value].modename,
- new_value);
- } else {
+ if (new_value < 0) {
pr_err("%s: Ignoring invalid ad_select value %.*s.\n",
bond->dev->name, (int)strlen(buf) - 1, buf);
- ret = -EINVAL;
+ return -EINVAL;
}
-out:
+
+ if (!rtnl_trylock())
+ return restart_syscall();
+
+ ret = bond_option_ad_select_set(bond, new_value);
+ if (!ret)
+ ret = count;
+
+ rtnl_unlock();
return ret;
}
static DEVICE_ATTR(ad_select, S_IRUGO | S_IWUSR,
diff --git a/drivers/net/bonding/bonding.h b/drivers/net/bonding/bonding.h
index 8e8817f3ef31..955dc4839f1d 100644
--- a/drivers/net/bonding/bonding.h
+++ b/drivers/net/bonding/bonding.h
@@ -425,6 +425,7 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev);
int bond_release(struct net_device *bond_dev, struct net_device *slave_dev);
int bond_xmit_hash(struct bonding *bond, struct sk_buff *skb, int count);
int bond_parse_parm(const char *mode_arg, const struct bond_parm_tbl *tbl);
+int bond_parm_tbl_lookup(int mode, const struct bond_parm_tbl *tbl);
void bond_select_active_slave(struct bonding *bond);
void bond_change_active_slave(struct bonding *bond, struct slave *new_active);
void bond_create_debugfs(void);
@@ -464,6 +465,8 @@ int bond_option_min_links_set(struct bonding *bond, int min_links);
int bond_option_lp_interval_set(struct bonding *bond, int min_links);
int bond_option_packets_per_slave_set(struct bonding *bond,
int packets_per_slave);
+int bond_option_lacp_rate_set(struct bonding *bond, int lacp_rate);
+int bond_option_ad_select_set(struct bonding *bond, int ad_select);
struct net_device *bond_option_active_slave_get_rcu(struct bonding *bond);
struct net_device *bond_option_active_slave_get(struct bonding *bond);