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Date: Tue, 21 Jan 2014 15:54:57 +0100
From: Nikolay Aleksandrov <nikolay@...hat.com>
To: netdev@...r.kernel.org
Cc: Nikolay Aleksandrov <nikolay@...hat.com>
Subject: [PATCH net-next 08/25] bonding: convert arp_interval to use the new option API
This patch adds the necessary changes so arp_interval would use
the new bonding option API. The "default" definition has been removed as
it was 0.
Signed-off-by: Nikolay Aleksandrov <nikolay@...hat.com>
---
drivers/net/bonding/bond_main.c | 9 ++++-----
drivers/net/bonding/bond_netlink.c | 3 ++-
drivers/net/bonding/bond_options.c | 37 +++++++++++++++++++++----------------
drivers/net/bonding/bond_options.h | 3 +++
drivers/net/bonding/bond_sysfs.c | 14 ++------------
drivers/net/bonding/bonding.h | 1 -
6 files changed, 32 insertions(+), 35 deletions(-)
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index f4da76e..9de3d35 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -88,7 +88,6 @@
/* monitor all links that often (in milliseconds). <=0 disables monitoring */
#define BOND_LINK_MON_INTERV 0
-#define BOND_LINK_ARP_INTERV 0
static int max_bonds = BOND_DEFAULT_MAX_BONDS;
static int tx_queues = BOND_DEFAULT_TX_QUEUES;
@@ -104,7 +103,7 @@ static char *lacp_rate;
static int min_links;
static char *ad_select;
static char *xmit_hash_policy;
-static int arp_interval = BOND_LINK_ARP_INTERV;
+static int arp_interval;
static char *arp_ip_target[BOND_MAX_ARP_TARGETS];
static char *arp_validate;
static char *arp_all_targets;
@@ -4160,9 +4159,9 @@ static int bond_check_params(struct bond_params *params)
}
if (arp_interval < 0) {
- pr_warning("Warning: arp_interval module parameter (%d) , not in range 0-%d, so it was reset to %d\n",
- arp_interval, INT_MAX, BOND_LINK_ARP_INTERV);
- arp_interval = BOND_LINK_ARP_INTERV;
+ pr_warning("Warning: arp_interval module parameter (%d) , not in range 0-%d, so it was reset to 0\n",
+ arp_interval, INT_MAX);
+ arp_interval = 0;
}
for (arp_ip_count = 0, i = 0;
diff --git a/drivers/net/bonding/bond_netlink.c b/drivers/net/bonding/bond_netlink.c
index a1b72ac..c9264107 100644
--- a/drivers/net/bonding/bond_netlink.c
+++ b/drivers/net/bonding/bond_netlink.c
@@ -167,7 +167,8 @@ static int bond_changelink(struct net_device *bond_dev,
return -EINVAL;
}
- err = bond_option_arp_interval_set(bond, arp_interval);
+ bond_opt_initval(&newval, arp_interval);
+ err = __bond_opt_set(bond, BOND_OPT_ARP_INTERVAL, &newval);
if (err)
return err;
}
diff --git a/drivers/net/bonding/bond_options.c b/drivers/net/bonding/bond_options.c
index 7e082e0..c3eb617 100644
--- a/drivers/net/bonding/bond_options.c
+++ b/drivers/net/bonding/bond_options.c
@@ -67,6 +67,11 @@ static struct bond_opt_value bond_fail_over_mac_tbl[] = {
{ NULL, -1, 0},
};
+static struct bond_opt_value bond_intmax_tbl[] = {
+ { "off", 0, BOND_VALFLAG_DEFAULT},
+ { "maxval", INT_MAX, BOND_VALFLAG_MAX},
+};
+
static struct bond_option bond_opts[] = {
[BOND_OPT_MODE] = {
.id = BOND_OPT_MODE,
@@ -114,6 +119,15 @@ static struct bond_option bond_opts[] = {
.values = bond_fail_over_mac_tbl,
.set = bond_option_fail_over_mac_set
},
+ [BOND_OPT_ARP_INTERVAL] = {
+ .id = BOND_OPT_ARP_INTERVAL,
+ .name = "arp_interval",
+ .desc = "arp interval in milliseconds",
+ .unsuppmodes = BIT(BOND_MODE_8023AD) | BIT(BOND_MODE_TLB) |
+ BIT(BOND_MODE_ALB),
+ .values = bond_intmax_tbl,
+ .set = bond_option_arp_interval_set
+ },
{ }
};
@@ -602,22 +616,13 @@ int bond_option_use_carrier_set(struct bonding *bond, int use_carrier)
return 0;
}
-int bond_option_arp_interval_set(struct bonding *bond, int arp_interval)
+int bond_option_arp_interval_set(struct bonding *bond,
+ struct bond_opt_value *newval)
{
- if (arp_interval < 0) {
- pr_err("%s: Invalid arp_interval value %d not in range 0-%d; rejected.\n",
- bond->dev->name, arp_interval, INT_MAX);
- return -EINVAL;
- }
- if (BOND_NO_USES_ARP(bond->params.mode)) {
- pr_info("%s: ARP monitoring cannot be used with ALB/TLB/802.3ad. Only MII monitoring is supported on %s.\n",
- bond->dev->name, bond->dev->name);
- return -EINVAL;
- }
- pr_info("%s: Setting ARP monitoring interval to %d.\n",
- bond->dev->name, arp_interval);
- bond->params.arp_interval = arp_interval;
- if (arp_interval) {
+ pr_info("%s: Setting ARP monitoring interval to %llu.\n",
+ bond->dev->name, newval->value);
+ bond->params.arp_interval = newval->value;
+ if (newval->value) {
if (bond->params.miimon) {
pr_info("%s: ARP monitoring cannot be used with MII monitoring. %s Disabling MII monitoring.\n",
bond->dev->name, bond->dev->name);
@@ -633,7 +638,7 @@ int bond_option_arp_interval_set(struct bonding *bond, int arp_interval)
* timer will get fired off when the open function
* is called.
*/
- if (!arp_interval) {
+ if (!newval->value) {
if (bond->params.arp_validate)
bond->recv_probe = NULL;
cancel_delayed_work_sync(&bond->arp_work);
diff --git a/drivers/net/bonding/bond_options.h b/drivers/net/bonding/bond_options.h
index e80a031..f02b857 100644
--- a/drivers/net/bonding/bond_options.h
+++ b/drivers/net/bonding/bond_options.h
@@ -44,6 +44,7 @@ enum {
BOND_OPT_ARP_VALIDATE,
BOND_OPT_ARP_ALL_TARGETS,
BOND_OPT_FAIL_OVER_MAC,
+ BOND_OPT_ARP_INTERVAL,
BOND_OPT_LAST
};
@@ -114,4 +115,6 @@ int bond_option_arp_all_targets_set(struct bonding *bond,
struct bond_opt_value *newval);
int bond_option_fail_over_mac_set(struct bonding *bond,
struct bond_opt_value *newval);
+int bond_option_arp_interval_set(struct bonding *bond,
+ struct bond_opt_value *newval);
#endif /* _BOND_OPTIONS_H */
diff --git a/drivers/net/bonding/bond_sysfs.c b/drivers/net/bonding/bond_sysfs.c
index e300190..414d713 100644
--- a/drivers/net/bonding/bond_sysfs.c
+++ b/drivers/net/bonding/bond_sysfs.c
@@ -437,22 +437,12 @@ static ssize_t bonding_store_arp_interval(struct device *d,
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();
+ int ret;
- ret = bond_option_arp_interval_set(bond, new_value);
+ ret = bond_opt_tryset_rtnl(bond, BOND_OPT_ARP_INTERVAL, (char *)buf);
if (!ret)
ret = count;
- rtnl_unlock();
return ret;
}
static DEVICE_ATTR(arp_interval, S_IRUGO | S_IWUSR,
diff --git a/drivers/net/bonding/bonding.h b/drivers/net/bonding/bonding.h
index 0550615..af065af 100644
--- a/drivers/net/bonding/bonding.h
+++ b/drivers/net/bonding/bonding.h
@@ -454,7 +454,6 @@ int bond_option_miimon_set(struct bonding *bond, int miimon);
int bond_option_updelay_set(struct bonding *bond, int updelay);
int bond_option_downdelay_set(struct bonding *bond, int downdelay);
int bond_option_use_carrier_set(struct bonding *bond, int use_carrier);
-int bond_option_arp_interval_set(struct bonding *bond, int arp_interval);
int bond_option_arp_ip_targets_set(struct bonding *bond, __be32 *targets,
int count);
int bond_option_arp_ip_target_add(struct bonding *bond, __be32 target);
--
1.8.4.2
--
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