diff options
| author | Avraham Stern <avraham.stern@intel.com> | 2017-04-26 10:58:47 +0300 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2017-04-28 13:28:45 +0300 |
| commit | e38a017bf080d47376db340e94b9c2ffc47eb9b4 (patch) | |
| tree | 7e017a6ec85701cb8e32a16097c981b86c68b6ab /net/mac80211 | |
| parent | 29ce6ecbb83c9185d76e3a7c340c9702d2a54961 (diff) | |
| download | linux-e38a017bf080d47376db340e94b9c2ffc47eb9b4.tar.xz | |
mac80211: Add support for BSS max idle period element
Parse the BSS max idle period element and set the BSS configuration
accordingly so the driver can use this information to configure the
max idle period and to use protected management frames for keep alive
when required.
The BSS max idle period element is defined in IEEE802.11-2016,
section 9.4.2.79
Signed-off-by: Avraham Stern <avraham.stern@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211')
| -rw-r--r-- | net/mac80211/ieee80211_i.h | 1 | ||||
| -rw-r--r-- | net/mac80211/mlme.c | 14 | ||||
| -rw-r--r-- | net/mac80211/util.c | 9 |
3 files changed, 23 insertions, 1 deletions
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h index 2a5730573aa3..f8f6c148f554 100644 --- a/net/mac80211/ieee80211_i.h +++ b/net/mac80211/ieee80211_i.h @@ -1483,6 +1483,7 @@ struct ieee802_11_elems { const u8 *opmode_notif; const struct ieee80211_sec_chan_offs_ie *sec_chan_offs; const struct ieee80211_mesh_chansw_params_ie *mesh_chansw_params_ie; + const struct ieee80211_bss_max_idle_period_ie *max_idle_period_ie; /* length of them, respectively */ u8 ext_capab_len; diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index 45d80fe61c5f..89dff563b1ec 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -6,7 +6,7 @@ * Copyright 2006-2007 Jiri Benc <jbenc@suse.cz> * Copyright 2007, Michael Wu <flamingice@sourmilk.net> * Copyright 2013-2014 Intel Mobile Communications GmbH - * Copyright (C) 2015 - 2016 Intel Deutschland GmbH + * Copyright (C) 2015 - 2017 Intel Deutschland GmbH * * 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 @@ -3098,6 +3098,18 @@ static bool ieee80211_assoc_success(struct ieee80211_sub_if_data *sdata, } changed |= BSS_CHANGED_QOS; + if (elems.max_idle_period_ie) { + bss_conf->max_idle_period = + le16_to_cpu(elems.max_idle_period_ie->max_idle_period); + bss_conf->protected_keep_alive = + !!(elems.max_idle_period_ie->idle_options & + WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE); + changed |= BSS_CHANGED_KEEP_ALIVE; + } else { + bss_conf->max_idle_period = 0; + bss_conf->protected_keep_alive = false; + } + /* set AID and assoc capability, * ieee80211_set_associated() will tell the driver */ bss_conf->aid = aid; diff --git a/net/mac80211/util.c b/net/mac80211/util.c index 4a5414481b78..bfc28053639b 100644 --- a/net/mac80211/util.c +++ b/net/mac80211/util.c @@ -828,6 +828,7 @@ u32 ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action, case WLAN_EID_EXT_CAPABILITY: case WLAN_EID_CHAN_SWITCH_TIMING: case WLAN_EID_LINK_ID: + case WLAN_EID_BSS_MAX_IDLE_PERIOD: /* * not listing WLAN_EID_CHANNEL_SWITCH_WRAPPER -- it seems possible * that if the content gets bigger it might be needed more than once @@ -1089,6 +1090,10 @@ u32 ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action, else elem_parse_failed = true; break; + case WLAN_EID_BSS_MAX_IDLE_PERIOD: + if (elen >= sizeof(*elems->max_idle_period_ie)) + elems->max_idle_period_ie = (void *)pos; + break; default: break; } @@ -1983,6 +1988,10 @@ int ieee80211_reconfig(struct ieee80211_local *local) if (sdata->u.mgd.have_beacon) changed |= BSS_CHANGED_BEACON_INFO; + if (sdata->vif.bss_conf.max_idle_period || + sdata->vif.bss_conf.protected_keep_alive) + changed |= BSS_CHANGED_KEEP_ALIVE; + sdata_lock(sdata); ieee80211_bss_info_change_notify(sdata, changed); sdata_unlock(sdata); |