Add support to use a random local address in authentication and
deauthentication frames sent to unassociated peer when the driver
supports.
The driver needs to configure receive behavior to accept frames with
random transmit address specified in TX path authentication frames
during the time of the frame exchange is pending and such frames need to
be acknowledged similarly to frames sent to the local permanent address
when this random address functionality is used.
This capability allows use of randomized transmit address for PASN
authentication frames to improve privacy of WLAN clients.
Signed-off-by: Veerendranath Jakkam <[email protected]>
---
include/uapi/linux/nl80211.h | 5 ++++
net/wireless/mlme.c | 55 +++++++++++++++++++++++-------------
2 files changed, 41 insertions(+), 19 deletions(-)
diff --git a/include/uapi/linux/nl80211.h b/include/uapi/linux/nl80211.h
index c14a91bbca7c..6bfcc3d2ec06 100644
--- a/include/uapi/linux/nl80211.h
+++ b/include/uapi/linux/nl80211.h
@@ -6294,6 +6294,10 @@ enum nl80211_feature_flags {
* might apply, e.g. no scans in progress, no offchannel operations
* in progress, and no active connections.
*
+ * @NL80211_EXT_FEATURE_AUTH_AND_DEAUTH_RANDOM_TA: Device supports randomized TA
+ * in authentication and deauthentication frames sent to unassociated peer
+ * using @NL80211_CMD_FRAME.
+ *
* @NUM_NL80211_EXT_FEATURES: number of extended features.
* @MAX_NL80211_EXT_FEATURES: highest extended feature index.
*/
@@ -6362,6 +6366,7 @@ enum nl80211_ext_feature_index {
NL80211_EXT_FEATURE_FILS_CRYPTO_OFFLOAD,
NL80211_EXT_FEATURE_RADAR_BACKGROUND,
NL80211_EXT_FEATURE_POWERED_ADDR_CHANGE,
+ NL80211_EXT_FEATURE_AUTH_AND_DEAUTH_RANDOM_TA,
/* add new features before the definition below */
NUM_NL80211_EXT_FEATURES,
diff --git a/net/wireless/mlme.c b/net/wireless/mlme.c
index 58e1fb18f85a..cfacda5bd80b 100644
--- a/net/wireless/mlme.c
+++ b/net/wireless/mlme.c
@@ -673,6 +673,39 @@ static bool cfg80211_allowed_address(struct wireless_dev *wdev, const u8 *addr)
return ether_addr_equal(addr, wdev_address(wdev));
}
+static bool cfg80211_allowed_random_address(struct wireless_dev *wdev,
+ const struct ieee80211_mgmt *mgmt)
+{
+ if (ieee80211_is_auth(mgmt->frame_control) ||
+ ieee80211_is_deauth(mgmt->frame_control)) {
+ /* Allow random TA to be used with authentication and
+ * deauthentication frames if the driver has indicated support.
+ */
+ if (wiphy_ext_feature_isset(
+ wdev->wiphy,
+ NL80211_EXT_FEATURE_AUTH_AND_DEAUTH_RANDOM_TA))
+ return true;
+ } else if (ieee80211_is_action(mgmt->frame_control) &&
+ mgmt->u.action.category == WLAN_CATEGORY_PUBLIC) {
+ /* Allow random TA to be used with Public Action frames if the
+ * driver has indicated support.
+ */
+ if (!wdev->connected &&
+ wiphy_ext_feature_isset(
+ wdev->wiphy,
+ NL80211_EXT_FEATURE_MGMT_TX_RANDOM_TA))
+ return true;
+
+ if (wdev->connected &&
+ wiphy_ext_feature_isset(
+ wdev->wiphy,
+ NL80211_EXT_FEATURE_MGMT_TX_RANDOM_TA_CONNECTED))
+ return true;
+ }
+
+ return false;
+}
+
int cfg80211_mlme_mgmt_tx(struct cfg80211_registered_device *rdev,
struct wireless_dev *wdev,
struct cfg80211_mgmt_tx_params *params, u64 *cookie)
@@ -771,25 +804,9 @@ int cfg80211_mlme_mgmt_tx(struct cfg80211_registered_device *rdev,
return err;
}
- if (!cfg80211_allowed_address(wdev, mgmt->sa)) {
- /* Allow random TA to be used with Public Action frames if the
- * driver has indicated support for this. Otherwise, only allow
- * the local address to be used.
- */
- if (!ieee80211_is_action(mgmt->frame_control) ||
- mgmt->u.action.category != WLAN_CATEGORY_PUBLIC)
- return -EINVAL;
- if (!wdev->connected &&
- !wiphy_ext_feature_isset(
- &rdev->wiphy,
- NL80211_EXT_FEATURE_MGMT_TX_RANDOM_TA))
- return -EINVAL;
- if (wdev->connected &&
- !wiphy_ext_feature_isset(
- &rdev->wiphy,
- NL80211_EXT_FEATURE_MGMT_TX_RANDOM_TA_CONNECTED))
- return -EINVAL;
- }
+ if (!cfg80211_allowed_address(wdev, mgmt->sa) &&
+ !cfg80211_allowed_random_address(wdev, mgmt))
+ return -EINVAL;
/* Transmit the management frame as requested by user space */
return rdev_mgmt_tx(rdev, wdev, params, cookie);
--
2.25.1
Cache the TA of the authentication and deauthentication frames
temporarily till the response waiting time offchannel period complete
and indicate the temporary address to driver when driver supports
randomizing TA of auth and deauth frames. Driver should allow TX and RX
of the frames when the temporary address is TA and RA respectively.
Allow the authentication and deauthentication frames with cached
address as RA in RX path.
Signed-off-by: Veerendranath Jakkam <[email protected]>
---
include/net/mac80211.h | 12 ++++++++++++
net/mac80211/main.c | 3 ++-
net/mac80211/offchannel.c | 38 ++++++++++++++++++++++++++++++++++++++
net/mac80211/rx.c | 18 ++++++++++++++----
net/mac80211/util.c | 7 ++++++-
5 files changed, 72 insertions(+), 6 deletions(-)
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 689da327ce2e..19e99f40f61c 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -340,6 +340,8 @@ struct ieee80211_vif_chanctx_switch {
* @BSS_CHANGED_FILS_DISCOVERY: FILS discovery status changed.
* @BSS_CHANGED_UNSOL_BCAST_PROBE_RESP: Unsolicited broadcast probe response
* status changed.
+ * @BSS_CHANGED_TEMP_ADDR: Temporary self address allowed for authentication and
+ * deauthentication frames is changed.
*
*/
enum ieee80211_bss_change {
@@ -375,6 +377,7 @@ enum ieee80211_bss_change {
BSS_CHANGED_HE_BSS_COLOR = 1<<29,
BSS_CHANGED_FILS_DISCOVERY = 1<<30,
BSS_CHANGED_UNSOL_BCAST_PROBE_RESP = 1<<31,
+ BSS_CHANGED_TEMP_ADDR = 1UL<<32,
/* when adding here, make sure to change ieee80211_reconfig */
};
@@ -1771,6 +1774,14 @@ enum ieee80211_offload_flags {
* your driver/device needs to do.
* @ap_addr: AP MLD address, or BSSID for non-MLO connections
* (station mode only)
+ * @temp_addr: Temporary self address allowed for the authentication and
+ * deauthentication frames till the response waiting time offchannel period
+ * complete. Driver should allow TX and RX of the frames with the temporary
+ * address as TA and RA respectively when it is non zero. This will be set
+ * to zero address when there is no temporary self address is active.
+ * Change in the value of this will be indicated with
+ * @BSS_CHANGED_TEMP_ADDR. This will be indicated only when driver supports
+ * %NL80211_EXT_FEATURE_AUTH_AND_DEAUTH_RANDOM_TA.
*/
struct ieee80211_vif_cfg {
/* association related data */
@@ -1786,6 +1797,7 @@ struct ieee80211_vif_cfg {
bool s1g;
bool idle;
u8 ap_addr[ETH_ALEN] __aligned(2);
+ u8 temp_addr[ETH_ALEN] __aligned(2);
};
/**
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index 846528850612..238cbf05d08d 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -205,7 +205,8 @@ int ieee80211_hw_config(struct ieee80211_local *local, u32 changed)
BSS_CHANGED_PS |\
BSS_CHANGED_IBSS |\
BSS_CHANGED_ARP_FILTER |\
- BSS_CHANGED_SSID)
+ BSS_CHANGED_SSID |\
+ BSS_CHANGED_TEMP_ADDR)
void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata,
u64 changed)
diff --git a/net/mac80211/offchannel.c b/net/mac80211/offchannel.c
index d78c82d6b696..54233be31e9b 100644
--- a/net/mac80211/offchannel.c
+++ b/net/mac80211/offchannel.c
@@ -187,6 +187,12 @@ static void ieee80211_roc_notify_destroy(struct ieee80211_roc_work *roc)
roc->mgmt_tx_cookie,
roc->chan, GFP_KERNEL);
+ if (!is_zero_ether_addr(roc->sdata->vif.cfg.temp_addr)) {
+ eth_zero_addr(roc->sdata->vif.cfg.temp_addr);
+ ieee80211_vif_cfg_change_notify(roc->sdata,
+ BSS_CHANGED_TEMP_ADDR);
+ }
+
list_del(&roc->list);
kfree(roc);
}
@@ -234,6 +240,36 @@ static bool ieee80211_recalc_sw_work(struct ieee80211_local *local,
return true;
}
+static void ieee80211_config_temp_addr(struct ieee80211_sub_if_data *sdata,
+ const struct ieee80211_hdr *hdr)
+{
+ unsigned int link;
+
+ if (!wiphy_ext_feature_isset(sdata->local->hw.wiphy,
+ NL80211_EXT_FEATURE_AUTH_AND_DEAUTH_RANDOM_TA))
+ return;
+
+ if (memcmp(sdata->vif.addr, hdr->addr2, ETH_ALEN) == 0 ||
+ memcmp(sdata->vif.cfg.temp_addr, hdr->addr2, ETH_ALEN) == 0) {
+ return;
+ } else if (sdata->vif.valid_links) {
+ rcu_read_lock();
+ for (link = 0; link < ARRAY_SIZE(sdata->vif.link_conf); link++) {
+ struct ieee80211_bss_conf *link_conf;
+
+ link_conf = rcu_dereference(sdata->vif.link_conf[link]);
+ if (!link_conf)
+ continue;
+ if (memcmp(link_conf->addr, hdr->addr2, ETH_ALEN) == 0)
+ return;
+ }
+ rcu_read_unlock();
+ }
+
+ memcpy(sdata->vif.cfg.temp_addr, hdr->addr2, ETH_ALEN);
+ ieee80211_vif_cfg_change_notify(sdata, BSS_CHANGED_TEMP_ADDR);
+}
+
static void ieee80211_handle_roc_started(struct ieee80211_roc_work *roc,
unsigned long start_time)
{
@@ -245,6 +281,8 @@ static void ieee80211_handle_roc_started(struct ieee80211_roc_work *roc,
if (roc->mgmt_tx_cookie) {
if (!WARN_ON(!roc->frame)) {
+ ieee80211_config_temp_addr(roc->sdata,
+ (void *) roc->frame->data);
ieee80211_tx_skb_tid_band(roc->sdata, roc->frame, 7,
roc->chan->band);
roc->frame = NULL;
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 7e3ab6e1b28f..a611697cecd0 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -4192,6 +4192,12 @@ static bool ieee80211_accept_frame(struct ieee80211_rx_data *rx)
u8 *bssid = ieee80211_get_bssid(hdr, skb->len, sdata->vif.type);
bool multicast = is_multicast_ether_addr(hdr->addr1) ||
ieee80211_is_s1g_beacon(hdr->frame_control);
+ bool skip_addr1_check = false;
+
+ if ((ieee80211_is_auth(hdr->frame_control) ||
+ ieee80211_is_deauth(hdr->frame_control)) &&
+ ether_addr_equal(sdata->vif.cfg.temp_addr, hdr->addr1))
+ skip_addr1_check = true;
switch (sdata->vif.type) {
case NL80211_IFTYPE_STATION:
@@ -4201,6 +4207,8 @@ static bool ieee80211_accept_frame(struct ieee80211_rx_data *rx)
return false;
if (multicast)
return true;
+ if (skip_addr1_check)
+ return true;
return ieee80211_is_our_addr(sdata, hdr->addr1, &rx->link_id);
case NL80211_IFTYPE_ADHOC:
if (!bssid)
@@ -4213,7 +4221,7 @@ static bool ieee80211_accept_frame(struct ieee80211_rx_data *rx)
return true;
if (!ieee80211_bssid_match(bssid, sdata->u.ibss.bssid))
return false;
- if (!multicast &&
+ if (!multicast && !skip_addr1_check &&
!ether_addr_equal(sdata->vif.addr, hdr->addr1))
return false;
if (!rx->sta) {
@@ -4233,7 +4241,7 @@ static bool ieee80211_accept_frame(struct ieee80211_rx_data *rx)
return false;
if (!is_broadcast_ether_addr(bssid))
return false;
- if (!multicast &&
+ if (!multicast && !skip_addr1_check &&
!ether_addr_equal(sdata->dev->dev_addr, hdr->addr1))
return false;
if (!rx->sta) {
@@ -4251,10 +4259,12 @@ static bool ieee80211_accept_frame(struct ieee80211_rx_data *rx)
return false;
if (multicast)
return true;
+ if (skip_addr1_check)
+ return true;
return ether_addr_equal(sdata->vif.addr, hdr->addr1);
case NL80211_IFTYPE_AP_VLAN:
case NL80211_IFTYPE_AP:
- if (!bssid)
+ if (!bssid && !skip_addr1_check)
return ieee80211_is_our_addr(sdata, hdr->addr1,
&rx->link_id);
@@ -4266,7 +4276,7 @@ static bool ieee80211_accept_frame(struct ieee80211_rx_data *rx)
* and location updates. Note that mac80211
* itself never looks at these frames.
*/
- if (!multicast &&
+ if (!multicast && !skip_addr1_check &&
!ieee80211_is_our_addr(sdata, hdr->addr1,
&rx->link_id))
return false;
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 6f5407038459..fd7e77938023 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -2663,7 +2663,7 @@ int ieee80211_reconfig(struct ieee80211_local *local)
/* Finally also reconfigure all the BSS information */
list_for_each_entry(sdata, &local->interfaces, list) {
unsigned int link_id;
- u32 changed;
+ u64 changed;
if (!ieee80211_sdata_running(sdata))
continue;
@@ -2712,6 +2712,11 @@ int ieee80211_reconfig(struct ieee80211_local *local)
BSS_CHANGED_TXPOWER |
BSS_CHANGED_MCAST_RATE;
+ if (!is_zero_ether_addr(sdata->vif.cfg.temp_addr)) {
+ eth_zero_addr(sdata->vif.cfg.temp_addr);
+ changed |= BSS_CHANGED_TEMP_ADDR;
+ }
+
if (sdata->vif.bss_conf.mu_mimo_owner)
changed |= BSS_CHANGED_MU_GROUPS;
--
2.25.1
Add changes to support randomizing TA of the authentication and
deauthentication frames and indicate the support to upper layers.
Signed-off-by: Veerendranath Jakkam <[email protected]>
---
drivers/net/wireless/mac80211_hwsim.c | 26 ++++++++++++++++++++++++++
1 file changed, 26 insertions(+)
diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c
index c57c8903b7c0..40469d2723e5 100644
--- a/drivers/net/wireless/mac80211_hwsim.c
+++ b/drivers/net/wireless/mac80211_hwsim.c
@@ -720,6 +720,9 @@ struct mac80211_hwsim_data {
int rx_rssi;
struct mac80211_hwsim_link_data link_data[IEEE80211_MLD_MAX_NUM_LINKS];
+
+ /* Ack the frames with RA as configured temporary address */
+ u8 temp_addr[ETH_ALEN];
};
static const struct rhashtable_params hwsim_rht_params = {
@@ -1237,6 +1240,10 @@ static bool mac80211_hwsim_addr_match(struct mac80211_hwsim_data *data,
if (data->scanning && memcmp(addr, data->scan_addr, ETH_ALEN) == 0)
return true;
+ if (!is_zero_ether_addr(data->temp_addr) &&
+ ether_addr_equal(addr, data->temp_addr))
+ return true;
+
memcpy(md.addr, addr, ETH_ALEN);
ieee80211_iterate_active_interfaces_atomic(data->hw,
@@ -2285,6 +2292,7 @@ static void mac80211_hwsim_vif_info_changed(struct ieee80211_hw *hw,
u64 changed)
{
struct hwsim_vif_priv *vp = (void *)vif->drv_priv;
+ struct mac80211_hwsim_data *hwsim = hw->priv;
hwsim_check_magic(vif);
@@ -2297,6 +2305,22 @@ static void mac80211_hwsim_vif_info_changed(struct ieee80211_hw *hw,
vp->assoc = vif->cfg.assoc;
vp->aid = vif->cfg.aid;
}
+
+ if (changed & BSS_CHANGED_TEMP_ADDR) {
+ wiphy_dbg(hw->wiphy, " TMP_ADDR: vif->cfg.temp_addr=%pM\n",
+ vif->cfg.temp_addr);
+
+ if (!is_zero_ether_addr(hwsim->temp_addr))
+ mac80211_hwsim_config_mac_nl(hw, hwsim->temp_addr,
+ false);
+ if (!is_zero_ether_addr(vif->cfg.temp_addr)) {
+ ether_addr_copy(hwsim->temp_addr, vif->cfg.temp_addr);
+ mac80211_hwsim_config_mac_nl(hw, hwsim->temp_addr,
+ true);
+ } else {
+ eth_zero_addr(hwsim->temp_addr);
+ }
+ }
}
static void mac80211_hwsim_link_info_changed(struct ieee80211_hw *hw,
@@ -4445,6 +4469,8 @@ static int mac80211_hwsim_new_radio(struct genl_info *info,
NL80211_EXT_FEATURE_MULTICAST_REGISTRATIONS);
wiphy_ext_feature_set(hw->wiphy,
NL80211_EXT_FEATURE_BEACON_RATE_LEGACY);
+ wiphy_ext_feature_set(hw->wiphy,
+ NL80211_EXT_FEATURE_AUTH_AND_DEAUTH_RANDOM_TA);
hw->wiphy->interface_modes = param->iftypes;
--
2.25.1
Hi Veerendranath,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on wireless-next/main]
[also build test WARNING on wireless/main linus/master v6.2-rc2 next-20230106]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/Veerendranath-Jakkam/wifi-mac80211-Add-support-to-randomize-TA-of-auth-and-deauth-frames/20230108-151808
base: https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next.git main
patch link: https://lore.kernel.org/r/20230108071552.2646591-2-quic_vjakkam%40quicinc.com
patch subject: [PATCH v2 2/3] wifi: mac80211: Add support to randomize TA of auth and deauth frames
config: powerpc-allmodconfig
compiler: powerpc-linux-gcc (GCC) 12.1.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://github.com/intel-lab-lkp/linux/commit/3daf7fb3405bc97698082157c393328592de3b97
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Veerendranath-Jakkam/wifi-mac80211-Add-support-to-randomize-TA-of-auth-and-deauth-frames/20230108-151808
git checkout 3daf7fb3405bc97698082157c393328592de3b97
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=powerpc olddefconfig
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=powerpc SHELL=/bin/bash net/
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <[email protected]>
All warnings (new ones prefixed by >>):
In file included from net/mac80211/main.c:11:
>> include/net/mac80211.h:380:46: warning: left shift count >= width of type [-Wshift-count-overflow]
380 | BSS_CHANGED_TEMP_ADDR = 1UL<<32,
| ^~
--
In file included from net/mac80211/driver-ops.h:11,
from net/mac80211/trace.c:8:
>> include/net/mac80211.h:380:46: warning: left shift count >= width of type [-Wshift-count-overflow]
380 | BSS_CHANGED_TEMP_ADDR = 1UL<<32,
| ^~
In file included from net/mac80211/trace.h:3035,
from net/mac80211/trace.c:11:
include/trace/define_trace.h:95:42: fatal error: ./trace.h: No such file or directory
95 | #include TRACE_INCLUDE(TRACE_INCLUDE_FILE)
| ^
compilation terminated.
vim +380 include/net/mac80211.h
292
293 /**
294 * enum ieee80211_bss_change - BSS change notification flags
295 *
296 * These flags are used with the bss_info_changed(), link_info_changed()
297 * and vif_cfg_changed() callbacks to indicate which parameter(s) changed.
298 *
299 * @BSS_CHANGED_ASSOC: association status changed (associated/disassociated),
300 * also implies a change in the AID.
301 * @BSS_CHANGED_ERP_CTS_PROT: CTS protection changed
302 * @BSS_CHANGED_ERP_PREAMBLE: preamble changed
303 * @BSS_CHANGED_ERP_SLOT: slot timing changed
304 * @BSS_CHANGED_HT: 802.11n parameters changed
305 * @BSS_CHANGED_BASIC_RATES: Basic rateset changed
306 * @BSS_CHANGED_BEACON_INT: Beacon interval changed
307 * @BSS_CHANGED_BSSID: BSSID changed, for whatever
308 * reason (IBSS and managed mode)
309 * @BSS_CHANGED_BEACON: Beacon data changed, retrieve
310 * new beacon (beaconing modes)
311 * @BSS_CHANGED_BEACON_ENABLED: Beaconing should be
312 * enabled/disabled (beaconing modes)
313 * @BSS_CHANGED_CQM: Connection quality monitor config changed
314 * @BSS_CHANGED_IBSS: IBSS join status changed
315 * @BSS_CHANGED_ARP_FILTER: Hardware ARP filter address list or state changed.
316 * @BSS_CHANGED_QOS: QoS for this association was enabled/disabled. Note
317 * that it is only ever disabled for station mode.
318 * @BSS_CHANGED_IDLE: Idle changed for this BSS/interface.
319 * @BSS_CHANGED_SSID: SSID changed for this BSS (AP and IBSS mode)
320 * @BSS_CHANGED_AP_PROBE_RESP: Probe Response changed for this BSS (AP mode)
321 * @BSS_CHANGED_PS: PS changed for this BSS (STA mode)
322 * @BSS_CHANGED_TXPOWER: TX power setting changed for this interface
323 * @BSS_CHANGED_P2P_PS: P2P powersave settings (CTWindow, opportunistic PS)
324 * changed
325 * @BSS_CHANGED_BEACON_INFO: Data from the AP's beacon became available:
326 * currently dtim_period only is under consideration.
327 * @BSS_CHANGED_BANDWIDTH: The bandwidth used by this interface changed,
328 * note that this is only called when it changes after the channel
329 * context had been assigned.
330 * @BSS_CHANGED_OCB: OCB join status changed
331 * @BSS_CHANGED_MU_GROUPS: VHT MU-MIMO group id or user position changed
332 * @BSS_CHANGED_KEEP_ALIVE: keep alive options (idle period or protected
333 * keep alive) changed.
334 * @BSS_CHANGED_MCAST_RATE: Multicast Rate setting changed for this interface
335 * @BSS_CHANGED_FTM_RESPONDER: fine timing measurement request responder
336 * functionality changed for this BSS (AP mode).
337 * @BSS_CHANGED_TWT: TWT status changed
338 * @BSS_CHANGED_HE_OBSS_PD: OBSS Packet Detection status changed.
339 * @BSS_CHANGED_HE_BSS_COLOR: BSS Color has changed
340 * @BSS_CHANGED_FILS_DISCOVERY: FILS discovery status changed.
341 * @BSS_CHANGED_UNSOL_BCAST_PROBE_RESP: Unsolicited broadcast probe response
342 * status changed.
343 * @BSS_CHANGED_TEMP_ADDR: Temporary self address allowed for authentication and
344 * deauthentication frames is changed.
345 *
346 */
347 enum ieee80211_bss_change {
348 BSS_CHANGED_ASSOC = 1<<0,
349 BSS_CHANGED_ERP_CTS_PROT = 1<<1,
350 BSS_CHANGED_ERP_PREAMBLE = 1<<2,
351 BSS_CHANGED_ERP_SLOT = 1<<3,
352 BSS_CHANGED_HT = 1<<4,
353 BSS_CHANGED_BASIC_RATES = 1<<5,
354 BSS_CHANGED_BEACON_INT = 1<<6,
355 BSS_CHANGED_BSSID = 1<<7,
356 BSS_CHANGED_BEACON = 1<<8,
357 BSS_CHANGED_BEACON_ENABLED = 1<<9,
358 BSS_CHANGED_CQM = 1<<10,
359 BSS_CHANGED_IBSS = 1<<11,
360 BSS_CHANGED_ARP_FILTER = 1<<12,
361 BSS_CHANGED_QOS = 1<<13,
362 BSS_CHANGED_IDLE = 1<<14,
363 BSS_CHANGED_SSID = 1<<15,
364 BSS_CHANGED_AP_PROBE_RESP = 1<<16,
365 BSS_CHANGED_PS = 1<<17,
366 BSS_CHANGED_TXPOWER = 1<<18,
367 BSS_CHANGED_P2P_PS = 1<<19,
368 BSS_CHANGED_BEACON_INFO = 1<<20,
369 BSS_CHANGED_BANDWIDTH = 1<<21,
370 BSS_CHANGED_OCB = 1<<22,
371 BSS_CHANGED_MU_GROUPS = 1<<23,
372 BSS_CHANGED_KEEP_ALIVE = 1<<24,
373 BSS_CHANGED_MCAST_RATE = 1<<25,
374 BSS_CHANGED_FTM_RESPONDER = 1<<26,
375 BSS_CHANGED_TWT = 1<<27,
376 BSS_CHANGED_HE_OBSS_PD = 1<<28,
377 BSS_CHANGED_HE_BSS_COLOR = 1<<29,
378 BSS_CHANGED_FILS_DISCOVERY = 1<<30,
379 BSS_CHANGED_UNSOL_BCAST_PROBE_RESP = 1<<31,
> 380 BSS_CHANGED_TEMP_ADDR = 1UL<<32,
381
382 /* when adding here, make sure to change ieee80211_reconfig */
383 };
384
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests
On 1/8/2023 12:45 PM, Veerendranath Jakkam wrote:
> Add support to use a random local address in authentication and
> deauthentication frames sent to unassociated peer when the driver
> supports.
>
> The driver needs to configure receive behavior to accept frames with
> random transmit address specified in TX path authentication frames
> during the time of the frame exchange is pending and such frames need to
> be acknowledged similarly to frames sent to the local permanent address
> when this random address functionality is used.
>
> This capability allows use of randomized transmit address for PASN
> authentication frames to improve privacy of WLAN clients.
>
> Signed-off-by: Veerendranath Jakkam <[email protected]>
The changes submitted in this patch series can be verified with
hostap.git HWSIM test case changes submitted in below link
https://patchwork.ozlabs.org/project/hostap/list/?series=335502&state=*
---
veeru