diff options
| author | Thomas Pedersen <thomas@adapt-ip.com> | 2020-09-22 05:28:08 +0300 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2020-09-28 14:53:25 +0300 |
| commit | cd418ba63f0c2f6157f35a41c9accc6ecb52590a (patch) | |
| tree | e594268f0eab29478b9904b82417096b8248117e /net/mac80211/scan.c | |
| parent | 66b0564d7e757a193b6f8c925ae30997814fc026 (diff) | |
| download | linux-cd418ba63f0c2f6157f35a41c9accc6ecb52590a.tar.xz | |
mac80211: convert S1G beacon to scan results
This commit finds the correct offset for Information
Elements in S1G beacon frames so they can be reported in
scan results.
Signed-off-by: Thomas Pedersen <thomas@adapt-ip.com>
Link: https://lore.kernel.org/r/20200922022818.15855-8-thomas@adapt-ip.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211/scan.c')
| -rw-r--r-- | net/mac80211/scan.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c index d211160e42da..d4cc9ac2d703 100644 --- a/net/mac80211/scan.c +++ b/net/mac80211/scan.c @@ -146,7 +146,8 @@ ieee80211_bss_info_update(struct ieee80211_local *local, struct ieee80211_mgmt *mgmt, size_t len, struct ieee80211_channel *channel) { - bool beacon = ieee80211_is_beacon(mgmt->frame_control); + bool beacon = ieee80211_is_beacon(mgmt->frame_control) || + ieee80211_is_s1g_beacon(mgmt->frame_control); struct cfg80211_bss *cbss, *non_tx_cbss; struct ieee80211_bss *bss, *non_tx_bss; struct cfg80211_inform_bss bss_meta = { @@ -195,6 +196,11 @@ ieee80211_bss_info_update(struct ieee80211_local *local, elements = mgmt->u.probe_resp.variable; baselen = offsetof(struct ieee80211_mgmt, u.probe_resp.variable); + } else if (ieee80211_is_s1g_beacon(mgmt->frame_control)) { + struct ieee80211_ext *ext = (void *) mgmt; + + baselen = offsetof(struct ieee80211_ext, u.s1g_beacon.variable); + elements = ext->u.s1g_beacon.variable; } else { baselen = offsetof(struct ieee80211_mgmt, u.beacon.variable); elements = mgmt->u.beacon.variable; @@ -246,9 +252,12 @@ void ieee80211_scan_rx(struct ieee80211_local *local, struct sk_buff *skb) struct ieee80211_bss *bss; struct ieee80211_channel *channel; - if (skb->len < 24 || - (!ieee80211_is_probe_resp(mgmt->frame_control) && - !ieee80211_is_beacon(mgmt->frame_control))) + if (ieee80211_is_s1g_beacon(mgmt->frame_control)) { + if (skb->len < 15) + return; + } else if (skb->len < 24 || + (!ieee80211_is_probe_resp(mgmt->frame_control) && + !ieee80211_is_beacon(mgmt->frame_control))) return; sdata1 = rcu_dereference(local->scan_sdata); |