{nl,cfg,mac}80211: Allow Setting Multicast Rate in Mesh
Chun-Yeow Yeoh [Fri, 25 Nov 2011 01:15:20 +0000 (17:15 -0800)]
Signed-off-by: Chun-Yeow Yeoh <yeohchunyeow@gmail.com>
Signed-off-by: Thomas Pedersen <thomas@cozybit.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

include/net/cfg80211.h
net/mac80211/cfg.c
net/mac80211/tx.c
net/wireless/nl80211.c

index 38ce452..232d1a5 100644 (file)
@@ -802,6 +802,7 @@ struct mesh_config {
  * @ie_len: length of vendor information elements
  * @is_authenticated: this mesh requires authentication
  * @is_secure: this mesh uses security
+ * @mcast_rate: multicat rate for Mesh Node [6Mbps is the default for 802.11a]
  *
  * These parameters are fixed when the mesh is created.
  */
@@ -814,6 +815,7 @@ struct mesh_setup {
        u8 ie_len;
        bool is_authenticated;
        bool is_secure;
+       int mcast_rate[IEEE80211_NUM_BANDS];
 };
 
 /**
index a29f06c..7ccba83 100644 (file)
@@ -1195,6 +1195,8 @@ static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
 {
        u8 *new_ie;
        const u8 *old_ie;
+       struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
+                                       struct ieee80211_sub_if_data, u.mesh);
 
        /* allocate information elements */
        new_ie = NULL;
@@ -1221,6 +1223,10 @@ static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
        if (setup->is_secure)
                ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
 
+       /* mcast rate setting in Mesh Node */
+       memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
+                                               sizeof(setup->mcast_rate));
+
        return 0;
 }
 
index 5a75fc0..655e3a9 100644 (file)
@@ -640,6 +640,7 @@ ieee80211_tx_h_rate_ctrl(struct ieee80211_tx_data *tx)
        else
                txrc.max_rate_idx = fls(txrc.rate_idx_mask) - 1;
        txrc.bss = (tx->sdata->vif.type == NL80211_IFTYPE_AP ||
+                   tx->sdata->vif.type == NL80211_IFTYPE_MESH_POINT ||
                    tx->sdata->vif.type == NL80211_IFTYPE_ADHOC);
 
        /* set up RTS protection if desired */
index 6026c29..5699c3b 100644 (file)
@@ -5667,6 +5667,11 @@ static int nl80211_join_mesh(struct sk_buff *skb, struct genl_info *info)
        setup.mesh_id = nla_data(info->attrs[NL80211_ATTR_MESH_ID]);
        setup.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
 
+       if (info->attrs[NL80211_ATTR_MCAST_RATE] &&
+           !nl80211_parse_mcast_rate(rdev, setup.mcast_rate,
+                           nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE])))
+                       return -EINVAL;
+
        if (info->attrs[NL80211_ATTR_MESH_SETUP]) {
                /* parse additional setup parameters if given */
                err = nl80211_parse_mesh_setup(info, &setup);