提交 818255ea 编写于 作者: M Mahesh Palivela 提交者: Johannes Berg

mac80211: VHT peer STA caps

Save the AP's VHT capabilities (in managed
mode) and make them available to the driver
in the station information.

Unlike HT capabilities, they aren't restricted
to the common capabilities, so drivers must be
aware of their own capabilities.
Signed-off-by: NMahesh Palivela <maheshp@posedge.com>
[fix endian conversion bug ...]
Signed-off-by: NJohannes Berg <johannes.berg@intel.com>
上级 d4950281
...@@ -1122,6 +1122,8 @@ enum ieee80211_sta_state { ...@@ -1122,6 +1122,8 @@ enum ieee80211_sta_state {
* @aid: AID we assigned to the station if we're an AP * @aid: AID we assigned to the station if we're an AP
* @supp_rates: Bitmap of supported rates (per band) * @supp_rates: Bitmap of supported rates (per band)
* @ht_cap: HT capabilities of this STA; restricted to our own TX capabilities * @ht_cap: HT capabilities of this STA; restricted to our own TX capabilities
* @vht_cap: VHT capabilities of this STA; Not restricting any capabilities
* of remote STA. Taking as is.
* @wme: indicates whether the STA supports WME. Only valid during AP-mode. * @wme: indicates whether the STA supports WME. Only valid during AP-mode.
* @drv_priv: data area for driver use, will always be aligned to * @drv_priv: data area for driver use, will always be aligned to
* sizeof(void *), size is determined in hw information. * sizeof(void *), size is determined in hw information.
...@@ -1134,6 +1136,7 @@ struct ieee80211_sta { ...@@ -1134,6 +1136,7 @@ struct ieee80211_sta {
u8 addr[ETH_ALEN]; u8 addr[ETH_ALEN];
u16 aid; u16 aid;
struct ieee80211_sta_ht_cap ht_cap; struct ieee80211_sta_ht_cap ht_cap;
struct ieee80211_sta_vht_cap vht_cap;
bool wme; bool wme;
u8 uapsd_queues; u8 uapsd_queues;
u8 max_sp; u8 max_sp;
......
...@@ -8,6 +8,7 @@ mac80211-y := \ ...@@ -8,6 +8,7 @@ mac80211-y := \
wpa.o \ wpa.o \
scan.o offchannel.o \ scan.o offchannel.o \
ht.o agg-tx.o agg-rx.o \ ht.o agg-tx.o agg-rx.o \
vht.o \
ibss.o \ ibss.o \
iface.o \ iface.o \
rate.o \ rate.o \
......
...@@ -1188,6 +1188,8 @@ struct ieee802_11_elems { ...@@ -1188,6 +1188,8 @@ struct ieee802_11_elems {
u8 *wmm_param; u8 *wmm_param;
struct ieee80211_ht_cap *ht_cap_elem; struct ieee80211_ht_cap *ht_cap_elem;
struct ieee80211_ht_operation *ht_operation; struct ieee80211_ht_operation *ht_operation;
struct ieee80211_vht_cap *vht_cap_elem;
struct ieee80211_vht_operation *vht_operation;
struct ieee80211_meshconf_ie *mesh_config; struct ieee80211_meshconf_ie *mesh_config;
u8 *mesh_id; u8 *mesh_id;
u8 *peering; u8 *peering;
...@@ -1416,6 +1418,11 @@ void ieee80211_release_reorder_timeout(struct sta_info *sta, int tid); ...@@ -1416,6 +1418,11 @@ void ieee80211_release_reorder_timeout(struct sta_info *sta, int tid);
u8 ieee80211_mcs_to_chains(const struct ieee80211_mcs_info *mcs); u8 ieee80211_mcs_to_chains(const struct ieee80211_mcs_info *mcs);
/* VHT */
void ieee80211_vht_cap_ie_to_sta_vht_cap(struct ieee80211_sub_if_data *sdata,
struct ieee80211_supported_band *sband,
struct ieee80211_vht_cap *vht_cap_ie,
struct ieee80211_sta_vht_cap *vht_cap);
/* Spectrum management */ /* Spectrum management */
void ieee80211_process_measurement_req(struct ieee80211_sub_if_data *sdata, void ieee80211_process_measurement_req(struct ieee80211_sub_if_data *sdata,
struct ieee80211_mgmt *mgmt, struct ieee80211_mgmt *mgmt,
......
...@@ -2156,6 +2156,11 @@ static bool ieee80211_assoc_success(struct ieee80211_sub_if_data *sdata, ...@@ -2156,6 +2156,11 @@ static bool ieee80211_assoc_success(struct ieee80211_sub_if_data *sdata,
sta->supports_40mhz = sta->supports_40mhz =
sta->sta.ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40; sta->sta.ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40;
if (elems.vht_cap_elem && !(ifmgd->flags & IEEE80211_STA_DISABLE_VHT))
ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband,
elems.vht_cap_elem,
&sta->sta.vht_cap);
rate_control_rate_init(sta); rate_control_rate_init(sta);
if (ifmgd->flags & IEEE80211_STA_MFP_ENABLED) if (ifmgd->flags & IEEE80211_STA_MFP_ENABLED)
......
...@@ -741,6 +741,18 @@ u32 ieee802_11_parse_elems_crc(u8 *start, size_t len, ...@@ -741,6 +741,18 @@ u32 ieee802_11_parse_elems_crc(u8 *start, size_t len,
else else
elem_parse_failed = true; elem_parse_failed = true;
break; break;
case WLAN_EID_VHT_CAPABILITY:
if (elen >= sizeof(struct ieee80211_vht_cap))
elems->vht_cap_elem = (void *)pos;
else
elem_parse_failed = true;
break;
case WLAN_EID_VHT_OPERATION:
if (elen >= sizeof(struct ieee80211_vht_operation))
elems->vht_operation = (void *)pos;
else
elem_parse_failed = true;
break;
case WLAN_EID_MESH_ID: case WLAN_EID_MESH_ID:
elems->mesh_id = pos; elems->mesh_id = pos;
elems->mesh_id_len = elen; elems->mesh_id_len = elen;
......
/*
* VHT handling
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/ieee80211.h>
#include <linux/export.h>
#include <net/mac80211.h>
#include "ieee80211_i.h"
void ieee80211_vht_cap_ie_to_sta_vht_cap(struct ieee80211_sub_if_data *sdata,
struct ieee80211_supported_band *sband,
struct ieee80211_vht_cap *vht_cap_ie,
struct ieee80211_sta_vht_cap *vht_cap)
{
if (WARN_ON_ONCE(!vht_cap))
return;
memset(vht_cap, 0, sizeof(*vht_cap));
if (!vht_cap_ie || !sband->vht_cap.vht_supported)
return;
vht_cap->vht_supported = true;
vht_cap->cap = le32_to_cpu(vht_cap_ie->vht_cap_info);
/* Copy peer MCS info, the driver might need them. */
memcpy(&vht_cap->vht_mcs, &vht_cap_ie->supp_mcs,
sizeof(struct ieee80211_vht_mcs_info));
}
Markdown is supported
0% .
You are about to add 0 people to the discussion. Proceed with caution.
先完成此消息的编辑!
想要评论请 注册