mac80211: add nl80211/cfg80211 handling of the new mesh root mode option.

Signed-off-by: Rui Paulo <rpaulo@gmail.com>
Signed-off-by: Javier Cardona <javier@cozybit.com>
Reviewed-by: Andrey Yurovsky <andrey@cozybit.com>
Tested-by: Brian Cavagnolo <brian@cozybit.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/include/linux/nl80211.h b/include/linux/nl80211.h
index 7a0bd6e..d2f276d 100644 (file)
--- a/include/linux/nl80211.h
+++ b/include/linux/nl80211.h
@@ -1200,6 +1200,8 @@ enum nl80211_mntr_flags {
  * @NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME: The interval of time (in TUs)
  * that it takes for an HWMP information element to propagate across the mesh
  *
+ * @NL80211_MESHCONF_ROOTMODE: whether root mode is enabled or not
+ *
  * @NL80211_MESHCONF_ATTR_MAX: highest possible mesh configuration attribute
  *
  * @__NL80211_MESHCONF_ATTR_AFTER_LAST: internal use
@@ -1219,6 +1221,7 @@ enum nl80211_meshconf_params {
        NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
        NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
        NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
+       NL80211_MESHCONF_HWMP_ROOTMODE,
 
        /* keep last */
        __NL80211_MESHCONF_ATTR_AFTER_LAST,

diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 7d0ae9c..0e4c51f 100644 (file)
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -508,6 +508,7 @@ struct mesh_config {
        u32 dot11MeshHWMPactivePathTimeout;
        u16 dot11MeshHWMPpreqMinInterval;
        u16 dot11MeshHWMPnetDiameterTraversalTime;
+       u8  dot11MeshHWMPRootMode;
 };
 
 /**

diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 8105358..7f18c8f 100644 (file)
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -1029,7 +1029,10 @@ static int ieee80211_set_mesh_params(struct wiphy *wiphy,
 {
        struct mesh_config *conf;
        struct ieee80211_sub_if_data *sdata;
+       struct ieee80211_if_mesh *ifmsh;
+
        sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+       ifmsh = &sdata->u.mesh;
 
        /* Set the config options which we are interested in setting */
        conf = &(sdata->u.mesh.mshcfg);
@@ -1064,6 +1067,10 @@ static int ieee80211_set_mesh_params(struct wiphy *wiphy,
                           mask))
                conf->dot11MeshHWMPnetDiameterTraversalTime =
                        nconf->dot11MeshHWMPnetDiameterTraversalTime;
+       if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
+               conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
+               ieee80211_mesh_root_setup(ifmsh);
+       }
        return 0;
 }
 

diff --git a/net/mac80211/debugfs_netdev.c b/net/mac80211/debugfs_netdev.c
index 8782264..472b203 100644 (file)
--- a/net/mac80211/debugfs_netdev.c
+++ b/net/mac80211/debugfs_netdev.c
@@ -149,6 +149,8 @@ IEEE80211_IF_FILE(path_refresh_time,
                u.mesh.mshcfg.path_refresh_time, DEC);
 IEEE80211_IF_FILE(min_discovery_timeout,
                u.mesh.mshcfg.min_discovery_timeout, DEC);
+IEEE80211_IF_FILE(dot11MeshHWMPRootMode,
+               u.mesh.mshcfg.dot11MeshHWMPRootMode, DEC);
 #endif
 
 

diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c
index 88dcfe3..05955dc 100644 (file)
--- a/net/mac80211/mesh.c
+++ b/net/mac80211/mesh.c
@@ -373,6 +373,17 @@ static void ieee80211_mesh_path_root_timer(unsigned long data)
        ieee80211_queue_work(&local->hw, &ifmsh->work);
 }
 
+void ieee80211_mesh_root_setup(struct ieee80211_if_mesh *ifmsh)
+{
+       if (ifmsh->mshcfg.dot11MeshHWMPRootMode)
+               set_bit(MESH_WORK_ROOT, &ifmsh->wrkq_flags);
+       else {
+               clear_bit(MESH_WORK_ROOT, &ifmsh->wrkq_flags);
+               /* stop running timer */
+               del_timer_sync(&ifmsh->mesh_path_root_timer);
+       }
+}
+
 /**
  * ieee80211_fill_mesh_addresses - fill addresses of a locally originated mesh frame
  * @hdr:       802.11 frame header
@@ -503,6 +514,7 @@ void ieee80211_mesh_restart(struct ieee80211_sub_if_data *sdata)
                add_timer(&ifmsh->mesh_path_timer);
        if (test_and_clear_bit(TMR_RUNNING_MPR, &ifmsh->timers_running))
                add_timer(&ifmsh->mesh_path_root_timer);
+       ieee80211_mesh_root_setup(ifmsh);
 }
 #endif
 
@@ -512,6 +524,7 @@ void ieee80211_start_mesh(struct ieee80211_sub_if_data *sdata)
        struct ieee80211_local *local = sdata->local;
 
        set_bit(MESH_WORK_HOUSEKEEPING, &ifmsh->wrkq_flags);
+       ieee80211_mesh_root_setup(ifmsh);
        ieee80211_queue_work(&local->hw, &ifmsh->work);
        sdata->vif.bss_conf.beacon_int = MESH_DEFAULT_BEACON_INTERVAL;
        ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON |

diff --git a/net/mac80211/mesh.h b/net/mac80211/mesh.h
index 00ee842..5ad6975 100644 (file)
--- a/net/mac80211/mesh.h
+++ b/net/mac80211/mesh.h
@@ -242,6 +242,7 @@ ieee80211_rx_result
 ieee80211_mesh_rx_mgmt(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb);
 void ieee80211_start_mesh(struct ieee80211_sub_if_data *sdata);
 void ieee80211_stop_mesh(struct ieee80211_sub_if_data *sdata);
+void ieee80211_mesh_root_setup(struct ieee80211_if_mesh *ifmsh);
 
 /* Mesh paths */
 int mesh_nexthop_lookup(struct sk_buff *skb,

diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 7c19998..17bcad6 100644 (file)
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -2616,6 +2616,8 @@ static int nl80211_get_mesh_params(struct sk_buff *skb,
                        cur_params.dot11MeshHWMPpreqMinInterval);
        NLA_PUT_U16(msg, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
                        cur_params.dot11MeshHWMPnetDiameterTraversalTime);
+       NLA_PUT_U8(msg, NL80211_MESHCONF_HWMP_ROOTMODE,
+                       cur_params.dot11MeshHWMPRootMode);
        nla_nest_end(msg, pinfoattr);
        genlmsg_end(msg, hdr);
        err = genlmsg_reply(msg, info);
@@ -2726,6 +2728,10 @@ static int nl80211_set_mesh_params(struct sk_buff *skb, struct genl_info *info)
                        dot11MeshHWMPnetDiameterTraversalTime,
                        mask, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
                        nla_get_u16);
+       FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
+                       dot11MeshHWMPRootMode, mask,
+                       NL80211_MESHCONF_HWMP_ROOTMODE,
+                       nla_get_u8);
 
        /* Apply changes */
        err = rdev->ops->set_mesh_params(&rdev->wiphy, dev, &cfg, mask);