diff options
| author | Johannes Berg <johannes.berg@intel.com> | 2018-05-28 15:47:41 +0200 |
|---|---|---|
| committer | Johannes Berg <johannes@sipsolutions.net> | 2018-06-15 13:34:40 +0200 |
| commit | b9771d41aee7aa3207b985422a1cc19e8342bc50 (patch) | |
| tree | 13413533108492a4bb95aa282abf426fab1d707e /net/mac80211/main.c | |
| parent | 2e076f199097d670ce5e5492cea57f552b93bba9 (diff) | |
mac80211: support scan features for improved scan privacy
Support the new random SN and minimal probe request contents
scan flags for the case of software scan - for hardware scan
the drivers need to opt in, but may need to do only that,
depending on their implementation.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Diffstat (limited to 'net/mac80211/main.c')
| -rw-r--r-- | net/mac80211/main.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/net/mac80211/main.c b/net/mac80211/main.c index 4d2e797e3f16..a6f8e3a646d4 100644 --- a/net/mac80211/main.c +++ b/net/mac80211/main.c @@ -557,10 +557,19 @@ struct ieee80211_hw *ieee80211_alloc_hw_nm(size_t priv_data_len, wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211); - if (!ops->hw_scan) + if (!ops->hw_scan) { wiphy->features |= NL80211_FEATURE_LOW_PRIORITY_SCAN | NL80211_FEATURE_AP_SCAN; - + /* + * if the driver behaves correctly using the probe request + * (template) from mac80211, then both of these should be + * supported even with hw scan - but let drivers opt in. + */ + wiphy_ext_feature_set(wiphy, + NL80211_EXT_FEATURE_SCAN_RANDOM_SN); + wiphy_ext_feature_set(wiphy, + NL80211_EXT_FEATURE_SCAN_MIN_PREQ_CONTENT); + } if (!ops->set_key) wiphy->flags |= WIPHY_FLAG_IBSS_RSN; |