From: Kieran Frewen <[email protected]>
Updates to the TIM information element to match changes made in the
IEEE Std 802.11ah-2020.
Signed-off-by: Kieran Frewen <[email protected]>
Co-developed-by: Gilad Itzkovitch <[email protected]>
Signed-off-by: Gilad Itzkovitch <[email protected]>
---
net/mac80211/tx.c | 13 +++++++++----
1 file changed, 9 insertions(+), 4 deletions(-)
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index bb2e54610101..383e0242e95f 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -4769,9 +4769,9 @@ static void __ieee80211_beacon_add_tim(struct ieee80211_sub_if_data *sdata,
ps->dtim_count--;
}
- tim = pos = skb_put(skb, 6);
+ tim = pos = skb_put(skb, 5);
*pos++ = WLAN_EID_TIM;
- *pos++ = 4;
+ *pos++ = 3;
*pos++ = ps->dtim_count;
*pos++ = link_conf->dtim_period;
@@ -4802,13 +4802,18 @@ static void __ieee80211_beacon_add_tim(struct ieee80211_sub_if_data *sdata,
/* Bitmap control */
*pos++ = n1 | aid0;
/* Part Virt Bitmap */
- skb_put(skb, n2 - n1);
+ skb_put(skb, n2 - n1 + 1);
memcpy(pos, ps->tim + n1, n2 - n1 + 1);
tim[1] = n2 - n1 + 4;
} else {
*pos++ = aid0; /* Bitmap control */
- *pos++ = 0; /* Part Virt Bitmap */
+
+ if (ieee80211_get_link_sband(link)->band != NL80211_BAND_S1GHZ) {
+ skb_put(skb, 1);
+ tim[1] = 4;
+ *pos++ = 0; /* Part Virt Bitmap */
+ }
}
}
--
2.34.1