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Commit 818255ea authored by Mahesh Palivela's avatar Mahesh Palivela Committed by Johannes Berg
Browse files

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: default avatarMahesh Palivela <maheshp@posedge.com>
[fix endian conversion bug ...]
Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
parent d4950281

include/net/mac80211.h

+3 −0
Original line number Diff line number Diff line
@@ -1122,6 +1122,8 @@ enum ieee80211_sta_state { 
 * @aid: AID we assigned to the station if we're an AP

 * @supp_rates: Bitmap of supported rates (per band)

 * @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.

 * @drv_priv: data area for driver use, will always be aligned to

 *	sizeof(void *), size is determined in hw information.
@@ -1134,6 +1136,7 @@ struct ieee80211_sta { 
	u8 addr[ETH_ALEN];

	u16 aid;

	struct ieee80211_sta_ht_cap ht_cap;

	struct ieee80211_sta_vht_cap vht_cap;

	bool wme;

	u8 uapsd_queues;

	u8 max_sp;

net/mac80211/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -8,6 +8,7 @@ mac80211-y := \ 
	wpa.o \

	scan.o offchannel.o \

	ht.o agg-tx.o agg-rx.o \

	vht.o \

	ibss.o \

	iface.o \

	rate.o \

net/mac80211/ieee80211_i.h

+7 −0
Original line number Diff line number Diff line
@@ -1188,6 +1188,8 @@ struct ieee802_11_elems { 
	u8 *wmm_param;

	struct ieee80211_ht_cap *ht_cap_elem;

	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;

	u8 *mesh_id;

	u8 *peering;
@@ -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);



/* 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 */

void ieee80211_process_measurement_req(struct ieee80211_sub_if_data *sdata,

				       struct ieee80211_mgmt *mgmt,

net/mac80211/mlme.c

+5 −0
Original line number Diff line number Diff line
@@ -2156,6 +2156,11 @@ static bool ieee80211_assoc_success(struct ieee80211_sub_if_data *sdata, 
	sta->supports_40mhz =

		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);



	if (ifmgd->flags & IEEE80211_STA_MFP_ENABLED)

net/mac80211/util.c

+12 −0
Original line number Diff line number Diff line
@@ -741,6 +741,18 @@ u32 ieee802_11_parse_elems_crc(u8 *start, size_t len, 
			else

				elem_parse_failed = true;

			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:

			elems->mesh_id = pos;

			elems->mesh_id_len = elen;