{nl,cfg,mac}80211: implement dot11MeshHWMProotInterval and dot11MeshHWMPactivePathToRootTimeout

Add the mesh configuration parameters dot11MeshHWMProotInterval
and dot11MeshHWMPactivePathToRootTimeout to be used by
proactive PREQ mechanism.

Signed-off-by: Chun-Yeow Yeoh <yeohchunyeow@gmail.com>
[line-break commit log]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

4 files changed, 30 insertions, 1 deletions

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;