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cfg80211: basic support for PBSS network type
PBSS (Personal Basic Service Set) is a new BSS type for DMG networks. It is similar to infrastructure BSS, having an AP-like entity called PCP (PBSS Control Point), but it has few differences. PBSS support is mandatory for 11ad devices. Add support for PBSS by introducing a new PBSS flag attribute. The PBSS flag is used in the START_AP command to request starting a PCP instead of an AP, and in the CONNECT command to request connecting to a PCP instead of an AP. Signed-off-by: Lior David <liord@codeaurora.org> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
parent
230fd28a91
commit
34d505193b
5 changed files with 41 additions and 3 deletions
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@ -422,6 +422,11 @@ static int wil_cfg80211_connect(struct wiphy *wiphy,
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if (sme->privacy && !rsn_eid)
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wil_info(wil, "WSC connection\n");
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if (sme->pbss) {
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wil_err(wil, "connect - PBSS not yet supported\n");
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return -EOPNOTSUPP;
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}
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bss = cfg80211_get_bss(wiphy, sme->channel, sme->bssid,
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sme->ssid, sme->ssid_len,
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IEEE80211_BSS_TYPE_ESS, IEEE80211_PRIVACY_ANY);
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@ -870,6 +875,11 @@ static int wil_cfg80211_start_ap(struct wiphy *wiphy,
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return -EINVAL;
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}
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if (info->pbss) {
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wil_err(wil, "AP: PBSS not yet supported\n");
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return -EOPNOTSUPP;
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}
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switch (info->hidden_ssid) {
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case NL80211_HIDDEN_SSID_NOT_IN_USE:
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hidden_ssid = WMI_HIDDEN_SSID_DISABLED;
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@ -712,6 +712,8 @@ struct cfg80211_acl_data {
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* @p2p_opp_ps: P2P opportunistic PS
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* @acl: ACL configuration used by the drivers which has support for
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* MAC address based access control
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* @pbss: If set, start as a PCP instead of AP. Relevant for DMG
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* networks.
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*/
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struct cfg80211_ap_settings {
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struct cfg80211_chan_def chandef;
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@ -730,6 +732,7 @@ struct cfg80211_ap_settings {
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u8 p2p_ctwindow;
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bool p2p_opp_ps;
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const struct cfg80211_acl_data *acl;
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bool pbss;
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};
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/**
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@ -1888,6 +1891,8 @@ struct cfg80211_ibss_params {
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* @ht_capa_mask: The bits of ht_capa which are to be used.
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* @vht_capa: VHT Capability overrides
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* @vht_capa_mask: The bits of vht_capa which are to be used.
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* @pbss: if set, connect to a PCP instead of AP. Valid for DMG
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* networks.
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*/
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struct cfg80211_connect_params {
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struct ieee80211_channel *channel;
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@ -1910,6 +1915,7 @@ struct cfg80211_connect_params {
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struct ieee80211_ht_cap ht_capa_mask;
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struct ieee80211_vht_cap vht_capa;
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struct ieee80211_vht_cap vht_capa_mask;
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bool pbss;
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};
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/**
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@ -3489,6 +3495,7 @@ struct cfg80211_cached_keys;
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* registered for unexpected class 3 frames (AP mode)
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* @conn: (private) cfg80211 software SME connection state machine data
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* @connect_keys: (private) keys to set after connection is established
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* @conn_bss_type: connecting/connected BSS type
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* @ibss_fixed: (private) IBSS is using fixed BSSID
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* @ibss_dfs_possible: (private) IBSS may change to a DFS channel
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* @event_list: (private) list for internal event processing
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@ -3519,6 +3526,7 @@ struct wireless_dev {
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u8 ssid_len, mesh_id_len, mesh_id_up_len;
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struct cfg80211_conn *conn;
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struct cfg80211_cached_keys *connect_keys;
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enum ieee80211_bss_type conn_bss_type;
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struct list_head event_list;
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spinlock_t event_lock;
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@ -1789,6 +1789,10 @@ enum nl80211_commands {
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* thus it must not specify the number of iterations, only the interval
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* between scans. The scan plans are executed sequentially.
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* Each scan plan is a nested attribute of &enum nl80211_sched_scan_plan.
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* @NL80211_ATTR_PBSS: flag attribute. If set it means operate
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* in a PBSS. Specified in %NL80211_CMD_CONNECT to request
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* connecting to a PCP, and in %NL80211_CMD_START_AP to start
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* a PCP instead of AP. Relevant for DMG networks only.
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*
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* @NUM_NL80211_ATTR: total number of nl80211_attrs available
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* @NL80211_ATTR_MAX: highest attribute number currently defined
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@ -2164,6 +2168,8 @@ enum nl80211_attrs {
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NL80211_ATTR_MAX_SCAN_PLAN_ITERATIONS,
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NL80211_ATTR_SCHED_SCAN_PLANS,
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NL80211_ATTR_PBSS,
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/* add attributes here, update the policy in nl80211.c */
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__NL80211_ATTR_AFTER_LAST,
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@ -401,6 +401,7 @@ static const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = {
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[NL80211_ATTR_NETNS_FD] = { .type = NLA_U32 },
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[NL80211_ATTR_SCHED_SCAN_DELAY] = { .type = NLA_U32 },
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[NL80211_ATTR_REG_INDOOR] = { .type = NLA_FLAG },
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[NL80211_ATTR_PBSS] = { .type = NLA_FLAG },
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};
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/* policy for the key attributes */
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@ -3461,6 +3462,10 @@ static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
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return PTR_ERR(params.acl);
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}
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params.pbss = nla_get_flag(info->attrs[NL80211_ATTR_PBSS]);
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if (params.pbss && !rdev->wiphy.bands[IEEE80211_BAND_60GHZ])
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return -EOPNOTSUPP;
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wdev_lock(wdev);
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err = rdev_start_ap(rdev, dev, ¶ms);
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if (!err) {
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@ -7980,6 +7985,12 @@ static int nl80211_connect(struct sk_buff *skb, struct genl_info *info)
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connect.flags |= ASSOC_REQ_USE_RRM;
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}
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connect.pbss = nla_get_flag(info->attrs[NL80211_ATTR_PBSS]);
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if (connect.pbss && !rdev->wiphy.bands[IEEE80211_BAND_60GHZ]) {
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kzfree(connkeys);
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return -EOPNOTSUPP;
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}
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wdev_lock(dev->ieee80211_ptr);
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err = cfg80211_connect(rdev, dev, &connect, connkeys, NULL);
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wdev_unlock(dev->ieee80211_ptr);
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@ -264,7 +264,7 @@ static struct cfg80211_bss *cfg80211_get_conn_bss(struct wireless_dev *wdev)
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wdev->conn->params.bssid,
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wdev->conn->params.ssid,
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wdev->conn->params.ssid_len,
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IEEE80211_BSS_TYPE_ESS,
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wdev->conn_bss_type,
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IEEE80211_PRIVACY(wdev->conn->params.privacy));
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if (!bss)
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return NULL;
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@ -687,7 +687,7 @@ void __cfg80211_connect_result(struct net_device *dev, const u8 *bssid,
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WARN_ON_ONCE(!wiphy_to_rdev(wdev->wiphy)->ops->connect);
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bss = cfg80211_get_bss(wdev->wiphy, NULL, bssid,
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wdev->ssid, wdev->ssid_len,
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IEEE80211_BSS_TYPE_ESS,
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wdev->conn_bss_type,
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IEEE80211_PRIVACY_ANY);
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if (bss)
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cfg80211_hold_bss(bss_from_pub(bss));
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@ -846,7 +846,7 @@ void cfg80211_roamed(struct net_device *dev,
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bss = cfg80211_get_bss(wdev->wiphy, channel, bssid, wdev->ssid,
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wdev->ssid_len,
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IEEE80211_BSS_TYPE_ESS, IEEE80211_PRIVACY_ANY);
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wdev->conn_bss_type, IEEE80211_PRIVACY_ANY);
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if (WARN_ON(!bss))
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return;
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@ -1017,6 +1017,9 @@ int cfg80211_connect(struct cfg80211_registered_device *rdev,
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memcpy(wdev->ssid, connect->ssid, connect->ssid_len);
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wdev->ssid_len = connect->ssid_len;
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wdev->conn_bss_type = connect->pbss ? IEEE80211_BSS_TYPE_PBSS :
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IEEE80211_BSS_TYPE_ESS;
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if (!rdev->ops->connect)
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err = cfg80211_sme_connect(wdev, connect, prev_bssid);
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else
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