Only iwlwifi actually enables this feature, but the support for sending
parent TSF/BSSID values already exists in nl80211. This patch sets the
appropriate flag and mactime values in rx_status so that the parent TSF
value gets included in the scan results.
Signed-off-by: James Prestwood <prestwoj@xxxxxxxxx>
---
drivers/net/wireless/mac80211_hwsim.c | 15 +++++++++++++++
1 file changed, 15 insertions(+)
diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c
index 772e54f0696f..01b2ac9707cc 100644
--- a/drivers/net/wireless/mac80211_hwsim.c
+++ b/drivers/net/wireless/mac80211_hwsim.c
@@ -2825,6 +2825,7 @@ static int mac80211_hwsim_new_radio(struct genl_info *info,
NL80211_FEATURE_DYNAMIC_SMPS |
NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR;
wiphy_ext_feature_set(hw->wiphy, NL80211_EXT_FEATURE_VHT_IBSS);
+ wiphy_ext_feature_set(hw->wiphy, NL80211_EXT_FEATURE_BSS_PARENT_TSF);
hw->wiphy->interface_modes = param->iftypes;
@@ -3237,6 +3238,8 @@ static int hwsim_cloned_frame_received_nl(struct sk_buff *skb_2,
int frame_data_len;
void *frame_data;
struct sk_buff *skb = NULL;
+ struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb_2->data;
+ u64 now;
if (!info->attrs[HWSIM_ATTR_ADDR_RECEIVER] ||
!info->attrs[HWSIM_ATTR_FRAME] ||
@@ -3299,6 +3302,18 @@ static int hwsim_cloned_frame_received_nl(struct sk_buff *skb_2,
rx_status.rate_idx = nla_get_u32(info->attrs[HWSIM_ATTR_RX_RATE]);
rx_status.signal = nla_get_u32(info->attrs[HWSIM_ATTR_SIGNAL]);
+ if (ieee80211_is_beacon(hdr->frame_control) ||
+ ieee80211_is_probe_resp(hdr->frame_control)) {
+ rx_status.boottime_ns = ktime_get_boottime_ns();
+ now = data2->abs_bcn_ts;
+ } else {
+ now = mac80211_hwsim_get_tsf_raw();
+ }
+
+ rx_status.mactime = now + data2->tsf_offset;
+
+ rx_status.flag |= RX_FLAG_MACTIME_START;
+
memcpy(IEEE80211_SKB_RXCB(skb), &rx_status, sizeof(rx_status));
data2->rx_pkts++;
data2->rx_bytes += skb->len;
--
2.17.1
