{nl,cfg}80211: Peer STA VHT caps

To save STAs VHT caps in AP mode

Signed-off-by: Mahesh Palivela <maheshp@posedge.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 60cebfa..607b5c0 100644 (file)
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -498,6 +498,7 @@ enum station_parameters_apply_mask {
  * @plink_action: plink action to take
  * @plink_state: set the peer link state for a station
  * @ht_capa: HT capabilities of station
+ * @vht_capa: VHT capabilities of station
  * @uapsd_queues: bitmap of queues configured for uapsd. same format
  *     as the AC bitmap in the QoS info field
  * @max_sp: max Service Period. same format as the MAX_SP in the
@@ -517,6 +518,7 @@ struct station_parameters {
        u8 plink_action;
        u8 plink_state;
        struct ieee80211_ht_cap *ht_capa;
+       struct ieee80211_vht_cap *vht_capa;
        u8 uapsd_queues;
        u8 max_sp;
 };

diff --git a/include/uapi/linux/nl80211.h b/include/uapi/linux/nl80211.h
index 179a0c2..71ab23b 100644 (file)
--- a/include/uapi/linux/nl80211.h
+++ b/include/uapi/linux/nl80211.h
@@ -1276,6 +1276,9 @@ enum nl80211_commands {
  * @NL80211_ATTR_SAE_DATA: SAE elements in Authentication frames. This starts
  *     with the Authentication transaction sequence number field.
  *
+ * @NL80211_ATTR_VHT_CAPABILITY: VHT Capability information element (from
+ *     association request when used with NL80211_CMD_NEW_STATION)
+ *
  * @NL80211_ATTR_MAX: highest attribute number currently defined
  * @__NL80211_ATTR_AFTER_LAST: internal use
  */
@@ -1535,6 +1538,8 @@ enum nl80211_attrs {
 
        NL80211_ATTR_SAE_DATA,
 
+       NL80211_ATTR_VHT_CAPABILITY,
+
        /* add attributes here, update the policy in nl80211.c */
 
        __NL80211_ATTR_AFTER_LAST,
@@ -1578,6 +1583,7 @@ enum nl80211_attrs {
 #define NL80211_TKIP_DATA_OFFSET_TX_MIC_KEY    16
 #define NL80211_TKIP_DATA_OFFSET_RX_MIC_KEY    24
 #define NL80211_HT_CAPABILITY_LEN              26
+#define NL80211_VHT_CAPABILITY_LEN             12
 
 #define NL80211_MAX_NR_CIPHER_SUITES           5
 #define NL80211_MAX_NR_AKM_SUITES              2

diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 03216b0..ed27988 100644 (file)
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -1157,6 +1157,11 @@ static int sta_apply_parameters(struct ieee80211_local *local,
                                                  params->ht_capa,
                                                  &sta->sta.ht_cap);
 
+       if (params->vht_capa)
+               ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband,
+                                                   params->vht_capa,
+                                                   &sta->sta.vht_cap);
+
        if (ieee80211_vif_is_mesh(&sdata->vif)) {
 #ifdef CONFIG_MAC80211_MESH
                if (sdata->u.mesh.security & IEEE80211_MESH_SEC_SECURED)

diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 74d8123..ef170e9 100644 (file)
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -355,6 +355,7 @@ static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = {
        [NL80211_ATTR_WDEV] = { .type = NLA_U64 },
        [NL80211_ATTR_USER_REG_HINT_TYPE] = { .type = NLA_U32 },
        [NL80211_ATTR_SAE_DATA] = { .type = NLA_BINARY, },
+       [NL80211_ATTR_VHT_CAPABILITY] = { .len = NL80211_VHT_CAPABILITY_LEN },
 };
 
 /* policy for the key attributes */
@@ -3223,6 +3224,10 @@ static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info)
                params.ht_capa =
                        nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
 
+       if (info->attrs[NL80211_ATTR_VHT_CAPABILITY])
+               params.vht_capa =
+                       nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]);
+
        if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION])
                params.plink_action =
                    nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]);