bonding: convert num_peer_notif to use the new option API

This patch adds the necessary changes so num_peer_notif would use
the new bonding option API.
When the auto-sysfs generation is done an alias should be added for
this option as there're currently 2 entries in sysfs for it.

Signed-off-by: Nikolay Aleksandrov <nikolay@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/bonding/bond_netlink.c b/drivers/net/bonding/bond_netlink.c
index 830203d..6855f28 100644 (file)
--- a/drivers/net/bonding/bond_netlink.c
+++ b/drivers/net/bonding/bond_netlink.c
@@ -268,7 +268,8 @@ static int bond_changelink(struct net_device *bond_dev,
                int num_peer_notif =
                        nla_get_u8(data[IFLA_BOND_NUM_PEER_NOTIF]);
 
-               err = bond_option_num_peer_notif_set(bond, num_peer_notif);
+               bond_opt_initval(&newval, num_peer_notif);
+               err = __bond_opt_set(bond, BOND_OPT_NUM_PEER_NOTIF, &newval);
                if (err)
                        return err;
        }

diff --git a/drivers/net/bonding/bond_options.c b/drivers/net/bonding/bond_options.c
index 081ab9b..1bd19f1 100644 (file)
--- a/drivers/net/bonding/bond_options.c
+++ b/drivers/net/bonding/bond_options.c
@@ -85,6 +85,13 @@ static struct bond_opt_value bond_ad_select_tbl[] = {
        { NULL,        -1,                0},
 };
 
+static struct bond_opt_value bond_num_peer_notif_tbl[] = {
+       { "off",     0,   0},
+       { "maxval",  255, BOND_VALFLAG_MAX},
+       { "default", 1,   BOND_VALFLAG_DEFAULT},
+       { NULL,      -1,  0}
+};
+
 static struct bond_option bond_opts[] = {
        [BOND_OPT_MODE] = {
                .id = BOND_OPT_MODE,
@@ -186,6 +193,13 @@ static struct bond_option bond_opts[] = {
                .values = bond_ad_select_tbl,
                .set = bond_option_ad_select_set
        },
+       [BOND_OPT_NUM_PEER_NOTIF] = {
+               .id = BOND_OPT_NUM_PEER_NOTIF,
+               .name = "num_unsol_na",
+               .desc = "Number of peer notifications to send on failover event",
+               .values = bond_num_peer_notif_tbl,
+               .set = bond_option_num_peer_notif_set
+       },
        { }
 };
 
@@ -977,9 +991,11 @@ int bond_option_resend_igmp_set(struct bonding *bond, int resend_igmp)
        return 0;
 }
 
-int bond_option_num_peer_notif_set(struct bonding *bond, int num_peer_notif)
+int bond_option_num_peer_notif_set(struct bonding *bond,
+                                  struct bond_opt_value *newval)
 {
-       bond->params.num_peer_notif = num_peer_notif;
+       bond->params.num_peer_notif = newval->value;
+
        return 0;
 }
 

diff --git a/drivers/net/bonding/bond_options.h b/drivers/net/bonding/bond_options.h
index 53df176..014a359 100644 (file)
--- a/drivers/net/bonding/bond_options.h
+++ b/drivers/net/bonding/bond_options.h
@@ -51,6 +51,7 @@ enum {
        BOND_OPT_LACP_RATE,
        BOND_OPT_MINLINKS,
        BOND_OPT_AD_SELECT,
+       BOND_OPT_NUM_PEER_NOTIF,
        BOND_OPT_LAST
 };
 
@@ -136,4 +137,6 @@ int bond_option_min_links_set(struct bonding *bond,
                              struct bond_opt_value *newval);
 int bond_option_ad_select_set(struct bonding *bond,
                              struct bond_opt_value *newval);
+int bond_option_num_peer_notif_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 02e493a..e1c99db 100644 (file)
--- a/drivers/net/bonding/bond_sysfs.c
+++ b/drivers/net/bonding/bond_sysfs.c
@@ -641,24 +641,12 @@ 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,

diff --git a/drivers/net/bonding/bonding.h b/drivers/net/bonding/bonding.h
index 235fb18..4554a16 100644 (file)
--- a/drivers/net/bonding/bonding.h
+++ b/drivers/net/bonding/bonding.h
@@ -461,7 +461,6 @@ int bond_option_primary_set(struct bonding *bond, const char *primary);
 int bond_option_primary_reselect_set(struct bonding *bond,
                                     int primary_reselect);
 int bond_option_resend_igmp_set(struct bonding *bond, int resend_igmp);
-int bond_option_num_peer_notif_set(struct bonding *bond, int num_peer_notif);
 int bond_option_all_slaves_active_set(struct bonding *bond,
                                      int all_slaves_active);
 int bond_option_lp_interval_set(struct bonding *bond, int min_links);