diff options
| author | Thomas Pedersen <thomas@cozybit.com> | 2011-10-26 23:47:27 +0200 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2011-11-08 21:54:33 +0100 |
| commit | 176f36086e8a00bdf701dc6e4c5a8784ef6529df (patch) | |
| tree | 808f70cf8db3eff72f66941516a3d39594ad6992 /net/mac80211/mesh.c | |
| parent | mac80211: Add HT helper functions (diff) | |
| download | linux-176f36086e8a00bdf701dc6e4c5a8784ef6529df.tar.xz linux-176f36086e8a00bdf701dc6e4c5a8784ef6529df.zip | |
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>
Diffstat (limited to 'net/mac80211/mesh.c')
| -rw-r--r-- | net/mac80211/mesh.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c index a7078fdba8ca..2dc76a962930 100644 --- a/net/mac80211/mesh.c +++ b/net/mac80211/mesh.c @@ -341,6 +341,49 @@ int mesh_add_ds_params_ie(struct sk_buff *skb, 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 = |