diff options
| -rw-r--r-- | net/batman-adv/bat_v.c | 34 | ||||
| -rw-r--r-- | net/batman-adv/sysfs.c | 34 | ||||
| -rw-r--r-- | net/batman-adv/types.h | 13 |
3 files changed, 79 insertions, 2 deletions
diff --git a/net/batman-adv/bat_v.c b/net/batman-adv/bat_v.c index 0366cbf5e444..90fd5ee877d1 100644 --- a/net/batman-adv/bat_v.c +++ b/net/batman-adv/bat_v.c @@ -21,8 +21,10 @@ #include <linux/atomic.h> #include <linux/bug.h> #include <linux/cache.h> +#include <linux/errno.h> #include <linux/init.h> #include <linux/jiffies.h> +#include <linux/kernel.h> #include <linux/netdevice.h> #include <linux/rculist.h> #include <linux/rcupdate.h> @@ -34,6 +36,8 @@ #include "bat_algo.h" #include "bat_v_elp.h" #include "bat_v_ogm.h" +#include "gateway_client.h" +#include "gateway_common.h" #include "hard-interface.h" #include "hash.h" #include "originator.h" @@ -320,6 +324,32 @@ err_ifinfo1: return ret; } +static ssize_t batadv_v_store_sel_class(struct batadv_priv *bat_priv, + char *buff, size_t count) +{ + u32 old_class, class; + + if (!batadv_parse_throughput(bat_priv->soft_iface, buff, + "B.A.T.M.A.N. V GW selection class", + &class)) + return -EINVAL; + + old_class = atomic_read(&bat_priv->gw.sel_class); + atomic_set(&bat_priv->gw.sel_class, class); + + if (old_class != class) + batadv_gw_reselect(bat_priv); + + return count; +} + +static ssize_t batadv_v_show_sel_class(struct batadv_priv *bat_priv, char *buff) +{ + u32 class = atomic_read(&bat_priv->gw.sel_class); + + return sprintf(buff, "%u.%u MBit\n", class / 10, class % 10); +} + static struct batadv_algo_ops batadv_batman_v __read_mostly = { .name = "BATMAN_V", .iface = { @@ -338,6 +368,10 @@ static struct batadv_algo_ops batadv_batman_v __read_mostly = { .orig = { .print = batadv_v_orig_print, }, + .gw = { + .store_sel_class = batadv_v_store_sel_class, + .show_sel_class = batadv_v_show_sel_class, + }, }; /** diff --git a/net/batman-adv/sysfs.c b/net/batman-adv/sysfs.c index 4e06cb792e5d..e78bd7f2f276 100644 --- a/net/batman-adv/sysfs.c +++ b/net/batman-adv/sysfs.c @@ -515,6 +515,36 @@ static ssize_t batadv_store_gw_mode(struct kobject *kobj, return count; } +static ssize_t batadv_show_gw_sel_class(struct kobject *kobj, + struct attribute *attr, char *buff) +{ + struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj); + + if (bat_priv->algo_ops->gw.show_sel_class) + return bat_priv->algo_ops->gw.show_sel_class(bat_priv, buff); + + return sprintf(buff, "%i\n", atomic_read(&bat_priv->gw.sel_class)); +} + +static ssize_t batadv_store_gw_sel_class(struct kobject *kobj, + struct attribute *attr, char *buff, + size_t count) +{ + struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj); + + if (buff[count - 1] == '\n') + buff[count - 1] = '\0'; + + if (bat_priv->algo_ops->gw.store_sel_class) + return bat_priv->algo_ops->gw.store_sel_class(bat_priv, buff, + count); + + return __batadv_store_uint_attr(buff, count, 1, BATADV_TQ_MAX_VALUE, + batadv_post_gw_reselect, attr, + &bat_priv->gw.sel_class, + bat_priv->soft_iface); +} + static ssize_t batadv_show_gw_bwidth(struct kobject *kobj, struct attribute *attr, char *buff) { @@ -626,8 +656,8 @@ BATADV_ATTR_SIF_UINT(orig_interval, orig_interval, S_IRUGO | S_IWUSR, 2 * BATADV_JITTER, INT_MAX, NULL); BATADV_ATTR_SIF_UINT(hop_penalty, hop_penalty, S_IRUGO | S_IWUSR, 0, BATADV_TQ_MAX_VALUE, NULL); -BATADV_ATTR_SIF_UINT(gw_sel_class, gw.sel_class, S_IRUGO | S_IWUSR, 1, - BATADV_TQ_MAX_VALUE, batadv_post_gw_reselect); +static BATADV_ATTR(gw_sel_class, S_IRUGO | S_IWUSR, batadv_show_gw_sel_class, + batadv_store_gw_sel_class); static BATADV_ATTR(gw_bandwidth, S_IRUGO | S_IWUSR, batadv_show_gw_bwidth, batadv_store_gw_bwidth); #ifdef CONFIG_BATMAN_ADV_MCAST diff --git a/net/batman-adv/types.h b/net/batman-adv/types.h index 96af6daa4fc9..deaadba61a2c 100644 --- a/net/batman-adv/types.h +++ b/net/batman-adv/types.h @@ -1450,12 +1450,24 @@ struct batadv_algo_orig_ops { }; /** + * struct batadv_algo_gw_ops - mesh algorithm callbacks (GW specific) + * @store_sel_class: parse and stores a new GW selection class (optional) + * @show_sel_class: prints the current GW selection class (optional) + */ +struct batadv_algo_gw_ops { + ssize_t (*store_sel_class)(struct batadv_priv *bat_priv, char *buff, + size_t count); + ssize_t (*show_sel_class)(struct batadv_priv *bat_priv, char *buff); +}; + +/** * struct batadv_algo_ops - mesh algorithm callbacks * @list: list node for the batadv_algo_list * @name: name of the algorithm * @iface: callbacks related to interface handling * @neigh: callbacks related to neighbors handling * @orig: callbacks related to originators handling + * @gw: callbacks related to GW mode */ struct batadv_algo_ops { struct hlist_node list; @@ -1463,6 +1475,7 @@ struct batadv_algo_ops { struct batadv_algo_iface_ops iface; struct batadv_algo_neigh_ops neigh; struct batadv_algo_orig_ops orig; + struct batadv_algo_gw_ops gw; }; /** |