6 files changed, 48 insertions, 1 deletions

diff --git a/include/linux/nl80211.h b/include/linux/nl80211.h
index e4f41bdebc07..6936fabe8797 100644
--- a/include/linux/nl80211.h
+++ b/include/linux/nl80211.h
@@ -2185,6 +2185,13 @@ enum nl80211_mntr_flags {
  *
  * @NL80211_MESHCONF_ATTR_MAX: highest possible mesh configuration attribute
  *
+ * @NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT: The time (in TUs) for
+ *      which mesh STAs receiving a proactive PREQ shall consider the forwarding
+ *      information to the root mesh STA to be valid.
+ *
+ * @NL80211_MESHCONF_HWMP_ROOT_INTERVAL: The interval of time (in TUs) between
+ *      proactive PREQs are transmitted.
+ *
  * @__NL80211_MESHCONF_ATTR_AFTER_LAST: internal use
  */
 enum nl80211_meshconf_params {
@@ -2211,6 +2218,8 @@ enum nl80211_meshconf_params {
         NL80211_MESHCONF_RSSI_THRESHOLD,
         NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR,
         NL80211_MESHCONF_HT_OPMODE,
+        NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT,
+        NL80211_MESHCONF_HWMP_ROOT_INTERVAL,
 
         /* keep last */
         __NL80211_MESHCONF_ATTR_AFTER_LAST,
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 76d54725ea31..e52b38d7b1b6 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -842,6 +842,13 @@ struct bss_parameters {
  * @rssi_threshold: the threshold for average signal strength of candidate
  *      station to establish a peer link
  * @ht_opmode: mesh HT protection mode
+ *
+ * @dot11MeshHWMPactivePathToRootTimeout: The time (in TUs) for which mesh STAs
+ *      receiving a proactive PREQ shall consider the forwarding information to
+ *      the root mesh STA to be valid.
+ *
+ * @dot11MeshHWMProotInterval: The interval of time (in TUs) between proactive
+ *      PREQs are transmitted.
  */
 struct mesh_config {
         u16 dot11MeshRetryTimeout;
@@ -866,6 +873,8 @@ struct mesh_config {
         bool dot11MeshForwarding;
         s32 rssi_threshold;
         u16 ht_opmode;
+        u32 dot11MeshHWMPactivePathToRootTimeout;
+        u16 dot11MeshHWMProotInterval;
 };
 
 /**
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index cd8b1fb05d42..d93cda1c4215 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -1590,6 +1590,12 @@ static int ieee80211_update_mesh_config(struct wiphy *wiphy,
                 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode;
                 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
         }
+        if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask))
+                conf->dot11MeshHWMPactivePathToRootTimeout =
+                        nconf->dot11MeshHWMPactivePathToRootTimeout;
+        if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask))
+                conf->dot11MeshHWMProotInterval =
+                        nconf->dot11MeshHWMProotInterval;
         return 0;
 }
 
diff --git a/net/mac80211/debugfs_netdev.c b/net/mac80211/debugfs_netdev.c
index c429417e1322..a8cea70902e4 100644
--- a/net/mac80211/debugfs_netdev.c
+++ b/net/mac80211/debugfs_netdev.c
@@ -510,6 +510,10 @@ IEEE80211_IF_FILE(dot11MeshHWMPRannInterval,
 IEEE80211_IF_FILE(dot11MeshForwarding, u.mesh.mshcfg.dot11MeshForwarding, DEC);
 IEEE80211_IF_FILE(rssi_threshold, u.mesh.mshcfg.rssi_threshold, DEC);
 IEEE80211_IF_FILE(ht_opmode, u.mesh.mshcfg.ht_opmode, DEC);
+IEEE80211_IF_FILE(dot11MeshHWMPactivePathToRootTimeout,
+                  u.mesh.mshcfg.dot11MeshHWMPactivePathToRootTimeout, DEC);
+IEEE80211_IF_FILE(dot11MeshHWMProotInterval,
+                  u.mesh.mshcfg.dot11MeshHWMProotInterval, DEC);
 #endif
 
 #define DEBUGFS_ADD_MODE(name, mode) \
@@ -611,6 +615,8 @@ static void add_mesh_config(struct ieee80211_sub_if_data *sdata)
         MESHPARAMS_ADD(dot11MeshGateAnnouncementProtocol);
         MESHPARAMS_ADD(rssi_threshold);
         MESHPARAMS_ADD(ht_opmode);
+        MESHPARAMS_ADD(dot11MeshHWMPactivePathToRootTimeout);
+        MESHPARAMS_ADD(dot11MeshHWMProotInterval);
 #undef MESHPARAMS_ADD
 }
 #endif
diff --git a/net/wireless/mesh.c b/net/wireless/mesh.c
index b44c736bf9cf..2f141cfd581e 100644
--- a/net/wireless/mesh.c
+++ b/net/wireless/mesh.c
@@ -14,6 +14,8 @@
 
 #define MESH_PATH_TIMEOUT       5000
 #define MESH_RANN_INTERVAL      5000
+#define MESH_PATH_TO_ROOT_TIMEOUT      6000
+#define MESH_ROOT_INTERVAL     5000
 
 /*
  * Minimum interval between two consecutive PREQs originated by the same
@@ -62,6 +64,8 @@ const struct mesh_config default_mesh_config = {
         .dot11MeshForwarding = true,
         .rssi_threshold = MESH_RSSI_THRESHOLD,
         .ht_opmode = IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED,
+        .dot11MeshHWMPactivePathToRootTimeout = MESH_PATH_TO_ROOT_TIMEOUT,
+        .dot11MeshHWMProotInterval = MESH_ROOT_INTERVAL,
 };
 
 const struct mesh_setup default_mesh_setup = {
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 7db0aee8cd5b..f8930db613df 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -3469,7 +3469,11 @@ static int nl80211_get_mesh_config(struct sk_buff *skb,
             nla_put_u32(msg, NL80211_MESHCONF_RSSI_THRESHOLD,
                         cur_params.rssi_threshold) ||
             nla_put_u32(msg, NL80211_MESHCONF_HT_OPMODE,
-                        cur_params.ht_opmode))
+                        cur_params.ht_opmode) ||
+            nla_put_u32(msg, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT,
+                        cur_params.dot11MeshHWMPactivePathToRootTimeout) ||
+            nla_put_u16(msg, NL80211_MESHCONF_HWMP_ROOT_INTERVAL,
+                        cur_params.dot11MeshHWMProotInterval))
                 goto nla_put_failure;
         nla_nest_end(msg, pinfoattr);
         genlmsg_end(msg, hdr);
@@ -3505,6 +3509,8 @@ static const struct nla_policy nl80211_meshconf_params_policy[NL80211_MESHCONF_A
         [NL80211_MESHCONF_FORWARDING] = { .type = NLA_U8 },
         [NL80211_MESHCONF_RSSI_THRESHOLD] = { .type = NLA_U32 },
         [NL80211_MESHCONF_HT_OPMODE] = { .type = NLA_U16 },
+        [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT] = { .type = NLA_U32 },
+        [NL80211_MESHCONF_HWMP_ROOT_INTERVAL] = { .type = NLA_U16 },
 };
 
 static const struct nla_policy
@@ -3612,6 +3618,13 @@ do {\
         FILL_IN_MESH_PARAM_IF_SET(tb, cfg, ht_opmode,
                                   mask, NL80211_MESHCONF_HT_OPMODE,
                                   nla_get_u16);
+        FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathToRootTimeout,
+                                  mask,
+                                  NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT,
+                                  nla_get_u32);
+        FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMProotInterval,
+                                  mask, NL80211_MESHCONF_HWMP_ROOT_INTERVAL,
+                                  nla_get_u16);
         if (mask_out)
                 *mask_out = mask;