mac80211: add HT IEs to mesh frames
Signed-off-by: Thomas Pedersen <thomas@cozybit.com>
Signed-off-by: Ashok Nagarajan <anagar6@uic.edu>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c
index a7078fd..2dc76a9 100644
--- a/net/mac80211/mesh.c
+++ b/net/mac80211/mesh.c
@@ -341,6 +341,49 @@
return 0;
}
+int mesh_add_ht_cap_ie(struct sk_buff *skb,
+ struct ieee80211_sub_if_data *sdata)
+{
+ struct ieee80211_local *local = sdata->local;
+ struct ieee80211_supported_band *sband;
+ u8 *pos;
+
+ sband = local->hw.wiphy->bands[local->oper_channel->band];
+ if (!sband->ht_cap.ht_supported ||
+ local->_oper_channel_type == NL80211_CHAN_NO_HT)
+ return 0;
+
+ if (skb_tailroom(skb) < 2 + sizeof(struct ieee80211_ht_cap))
+ return -ENOMEM;
+
+ pos = skb_put(skb, 2 + sizeof(struct ieee80211_ht_cap));
+ ieee80211_ie_build_ht_cap(pos, sband, sband->ht_cap.cap);
+
+ return 0;
+}
+
+int mesh_add_ht_info_ie(struct sk_buff *skb,
+ struct ieee80211_sub_if_data *sdata)
+{
+ struct ieee80211_local *local = sdata->local;
+ struct ieee80211_channel *channel = local->oper_channel;
+ enum nl80211_channel_type channel_type = local->_oper_channel_type;
+ struct ieee80211_supported_band *sband =
+ local->hw.wiphy->bands[channel->band];
+ struct ieee80211_sta_ht_cap *ht_cap = &sband->ht_cap;
+ u8 *pos;
+
+ if (!ht_cap->ht_supported || channel_type == NL80211_CHAN_NO_HT)
+ return 0;
+
+ if (skb_tailroom(skb) < 2 + sizeof(struct ieee80211_ht_info))
+ return -ENOMEM;
+
+ pos = skb_put(skb, 2 + sizeof(struct ieee80211_ht_info));
+ ieee80211_ie_build_ht_info(pos, ht_cap, channel, channel_type);
+
+ return 0;
+}
static void ieee80211_mesh_path_timer(unsigned long data)
{
struct ieee80211_sub_if_data *sdata =
diff --git a/net/mac80211/mesh.h b/net/mac80211/mesh.h
index 8c00e2d..0f2c4e6 100644
--- a/net/mac80211/mesh.h
+++ b/net/mac80211/mesh.h
@@ -212,6 +212,10 @@
struct ieee80211_sub_if_data *sdata);
int mesh_add_ds_params_ie(struct sk_buff *skb,
struct ieee80211_sub_if_data *sdata);
+int mesh_add_ht_cap_ie(struct sk_buff *skb,
+ struct ieee80211_sub_if_data *sdata);
+int mesh_add_ht_info_ie(struct sk_buff *skb,
+ struct ieee80211_sub_if_data *sdata);
void mesh_rmc_free(struct ieee80211_sub_if_data *sdata);
int mesh_rmc_init(struct ieee80211_sub_if_data *sdata);
void ieee80211s_init(void);
diff --git a/net/mac80211/mesh_plink.c b/net/mac80211/mesh_plink.c
index 351e48c..986af8a 100644
--- a/net/mac80211/mesh_plink.c
+++ b/net/mac80211/mesh_plink.c
@@ -169,6 +169,8 @@
2 + (IEEE80211_MAX_SUPP_RATES - 8) +
2 + sdata->u.mesh.mesh_id_len +
2 + sizeof(struct ieee80211_meshconf_ie) +
+ 2 + sizeof(struct ieee80211_ht_cap) +
+ 2 + sizeof(struct ieee80211_ht_info) +
2 + 8 + /* peering IE */
sdata->u.mesh.ie_len);
if (!skb)
@@ -241,6 +243,13 @@
memcpy(pos, &reason, 2);
pos += 2;
}
+
+ if (action != WLAN_SP_MESH_PEERING_CLOSE) {
+ if (mesh_add_ht_cap_ie(skb, sdata) ||
+ mesh_add_ht_info_ie(skb, sdata))
+ return -1;
+ }
+
if (mesh_add_vendor_ies(skb, sdata))
return -1;
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index f4dd339..a543d26 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -2292,6 +2292,8 @@
2 + 8 + /* supported rates */
2 + 3 + /* DS params */
2 + (IEEE80211_MAX_SUPP_RATES - 8) +
+ 2 + sizeof(struct ieee80211_ht_cap) +
+ 2 + sizeof(struct ieee80211_ht_info) +
2 + sdata->u.mesh.mesh_id_len +
2 + sizeof(struct ieee80211_meshconf_ie) +
sdata->u.mesh.ie_len);
@@ -2319,6 +2321,8 @@
mesh_add_ds_params_ie(skb, sdata) ||
ieee80211_add_ext_srates_ie(&sdata->vif, skb) ||
mesh_add_rsn_ie(skb, sdata) ||
+ mesh_add_ht_cap_ie(skb, sdata) ||
+ mesh_add_ht_info_ie(skb, sdata) ||
mesh_add_meshid_ie(skb, sdata) ||
mesh_add_meshconf_ie(skb, sdata) ||
mesh_add_vendor_ies(skb, sdata)) {