Mahesh Palivela | 818255e | 2012-10-10 11:33:04 +0000 | [diff] [blame] | 1 | /* |
| 2 | * VHT handling |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or modify |
| 5 | * it under the terms of the GNU General Public License version 2 as |
| 6 | * published by the Free Software Foundation. |
| 7 | */ |
| 8 | |
| 9 | #include <linux/ieee80211.h> |
| 10 | #include <linux/export.h> |
| 11 | #include <net/mac80211.h> |
| 12 | #include "ieee80211_i.h" |
| 13 | |
| 14 | |
| 15 | void ieee80211_vht_cap_ie_to_sta_vht_cap(struct ieee80211_sub_if_data *sdata, |
| 16 | struct ieee80211_supported_band *sband, |
| 17 | struct ieee80211_vht_cap *vht_cap_ie, |
| 18 | struct ieee80211_sta_vht_cap *vht_cap) |
| 19 | { |
| 20 | if (WARN_ON_ONCE(!vht_cap)) |
| 21 | return; |
| 22 | |
| 23 | memset(vht_cap, 0, sizeof(*vht_cap)); |
| 24 | |
| 25 | if (!vht_cap_ie || !sband->vht_cap.vht_supported) |
| 26 | return; |
| 27 | |
| 28 | vht_cap->vht_supported = true; |
| 29 | |
| 30 | vht_cap->cap = le32_to_cpu(vht_cap_ie->vht_cap_info); |
| 31 | |
| 32 | /* Copy peer MCS info, the driver might need them. */ |
| 33 | memcpy(&vht_cap->vht_mcs, &vht_cap_ie->supp_mcs, |
| 34 | sizeof(struct ieee80211_vht_mcs_info)); |
| 35 | } |