diff options
Diffstat (limited to 'net/batman-adv/netlink.c')
| -rw-r--r-- | net/batman-adv/netlink.c | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/net/batman-adv/netlink.c b/net/batman-adv/netlink.c index 5b2160d2f482..473467afea91 100644 --- a/net/batman-adv/netlink.c +++ b/net/batman-adv/netlink.c @@ -51,6 +51,7 @@ #include "bridge_loop_avoidance.h" #include "distributed-arp-table.h" #include "gateway_client.h" +#include "gateway_common.h" #include "hard-interface.h" #include "multicast.h" #include "originator.h" @@ -147,6 +148,10 @@ static const struct nla_policy batadv_netlink_policy[NUM_BATADV_ATTR] = { [BATADV_ATTR_BRIDGE_LOOP_AVOIDANCE_ENABLED] = { .type = NLA_U8 }, [BATADV_ATTR_DISTRIBUTED_ARP_TABLE_ENABLED] = { .type = NLA_U8 }, [BATADV_ATTR_FRAGMENTATION_ENABLED] = { .type = NLA_U8 }, + [BATADV_ATTR_GW_BANDWIDTH_DOWN] = { .type = NLA_U32 }, + [BATADV_ATTR_GW_BANDWIDTH_UP] = { .type = NLA_U32 }, + [BATADV_ATTR_GW_MODE] = { .type = NLA_U8 }, + [BATADV_ATTR_GW_SEL_CLASS] = { .type = NLA_U32 }, }; /** @@ -303,6 +308,28 @@ static int batadv_netlink_mesh_fill(struct sk_buff *msg, !!atomic_read(&bat_priv->fragmentation))) goto nla_put_failure; + if (nla_put_u32(msg, BATADV_ATTR_GW_BANDWIDTH_DOWN, + atomic_read(&bat_priv->gw.bandwidth_down))) + goto nla_put_failure; + + if (nla_put_u32(msg, BATADV_ATTR_GW_BANDWIDTH_UP, + atomic_read(&bat_priv->gw.bandwidth_up))) + goto nla_put_failure; + + if (nla_put_u8(msg, BATADV_ATTR_GW_MODE, + atomic_read(&bat_priv->gw.mode))) + goto nla_put_failure; + + if (bat_priv->algo_ops->gw.get_best_gw_node && + bat_priv->algo_ops->gw.is_eligible) { + /* GW selection class is not available if the routing algorithm + * in use does not implement the GW API + */ + if (nla_put_u32(msg, BATADV_ATTR_GW_SEL_CLASS, + atomic_read(&bat_priv->gw.sel_class))) + goto nla_put_failure; + } + if (primary_if) batadv_hardif_put(primary_if); @@ -444,6 +471,71 @@ static int batadv_netlink_set_mesh(struct sk_buff *skb, struct genl_info *info) batadv_update_min_mtu(bat_priv->soft_iface); } + if (info->attrs[BATADV_ATTR_GW_BANDWIDTH_DOWN]) { + attr = info->attrs[BATADV_ATTR_GW_BANDWIDTH_DOWN]; + + atomic_set(&bat_priv->gw.bandwidth_down, nla_get_u32(attr)); + batadv_gw_tvlv_container_update(bat_priv); + } + + if (info->attrs[BATADV_ATTR_GW_BANDWIDTH_UP]) { + attr = info->attrs[BATADV_ATTR_GW_BANDWIDTH_UP]; + + atomic_set(&bat_priv->gw.bandwidth_up, nla_get_u32(attr)); + batadv_gw_tvlv_container_update(bat_priv); + } + + if (info->attrs[BATADV_ATTR_GW_MODE]) { + u8 gw_mode; + + attr = info->attrs[BATADV_ATTR_GW_MODE]; + gw_mode = nla_get_u8(attr); + + if (gw_mode <= BATADV_GW_MODE_SERVER) { + /* Invoking batadv_gw_reselect() is not enough to really + * de-select the current GW. It will only instruct the + * gateway client code to perform a re-election the next + * time that this is needed. + * + * When gw client mode is being switched off the current + * GW must be de-selected explicitly otherwise no GW_ADD + * uevent is thrown on client mode re-activation. This + * is operation is performed in + * batadv_gw_check_client_stop(). + */ + batadv_gw_reselect(bat_priv); + + /* always call batadv_gw_check_client_stop() before + * changing the gateway state + */ + batadv_gw_check_client_stop(bat_priv); + atomic_set(&bat_priv->gw.mode, gw_mode); + batadv_gw_tvlv_container_update(bat_priv); + } + } + + if (info->attrs[BATADV_ATTR_GW_SEL_CLASS] && + bat_priv->algo_ops->gw.get_best_gw_node && + bat_priv->algo_ops->gw.is_eligible) { + /* setting the GW selection class is allowed only if the routing + * algorithm in use implements the GW API + */ + + u32 sel_class_max = 0xffffffffu; + u32 sel_class; + + attr = info->attrs[BATADV_ATTR_GW_SEL_CLASS]; + sel_class = nla_get_u32(attr); + + if (!bat_priv->algo_ops->gw.store_sel_class) + sel_class_max = BATADV_TQ_MAX_VALUE; + + if (sel_class >= 1 && sel_class <= sel_class_max) { + atomic_set(&bat_priv->gw.sel_class, sel_class); + batadv_gw_reselect(bat_priv); + } + } + batadv_netlink_notify_mesh(bat_priv); return 0; |