mac80211_hwsim was corrupting the S1G beacon because the timestamp location (and size) does not match the management beacon. Signed-off-by: Thomas Pedersen <thomas@xxxxxxxxxxxx> --- v3: - fix this before claiming S1G support Reported-by: kernel test robot <rong.a.chen@xxxxxxxxx> --- drivers/net/wireless/mac80211_hwsim.c | 16 +++++++++++++--- 1 file changed, 13 insertions(+), 3 deletions(-) diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c index dce3bc9c9f84..3daf5b399ebf 100644 --- a/drivers/net/wireless/mac80211_hwsim.c +++ b/drivers/net/wireless/mac80211_hwsim.c @@ -1687,9 +1687,19 @@ static void mac80211_hwsim_beacon_tx(void *arg, u8 *mac, mgmt = (struct ieee80211_mgmt *) skb->data; /* fake header transmission time */ data->abs_bcn_ts = mac80211_hwsim_get_tsf_raw(); - mgmt->u.beacon.timestamp = cpu_to_le64(data->abs_bcn_ts + - data->tsf_offset + - 24 * 8 * 10 / txrate->bitrate); + if (ieee80211_is_s1g_beacon(mgmt->frame_control)) { + struct ieee80211_ext *ext = (void *) mgmt; + + ext->u.s1g_beacon.timestamp = cpu_to_le32(data->abs_bcn_ts + + data->tsf_offset + + 10 * 8 * 10 / + txrate->bitrate); + } else { + mgmt->u.beacon.timestamp = cpu_to_le64(data->abs_bcn_ts + + data->tsf_offset + + 24 * 8 * 10 / + txrate->bitrate); + } mac80211_hwsim_tx_frame(hw, skb, rcu_dereference(vif->chanctx_conf)->def.chan); -- 2.20.1