From 209d70d34a7fd32e6fb6784f107913b0d18fe501 Mon Sep 17 00:00:00 2001 From: Kieran Frewen Date: Mon, 7 Nov 2022 11:16:02 +1300 Subject: wifi: mac80211: update TIM for S1G specification changes Updates to the TIM information element to match changes made in the IEEE Std 802.11ah-2020. Signed-off-by: Kieran Frewen Co-developed-by: Gilad Itzkovitch Signed-off-by: Gilad Itzkovitch Link: https://lore.kernel.org/r/20221106221602.25714-1-gilad.itzkovitch@morsemicro.com [use skb_put_data/skb_put_u8] Signed-off-by: Johannes Berg --- net/mac80211/tx.c | 14 +++++++++----- 1 file changed, 9 insertions(+), 5 deletions(-) (limited to 'net/mac80211') diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index 3ed5ca4a2bae..774e62860c45 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -4774,9 +4774,9 @@ 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; @@ -4807,13 +4807,17 @@ 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); - memcpy(pos, ps->tim + n1, n2 - n1 + 1); + skb_put_data(skb, 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) { + tim[1] = 4; + /* Part Virt Bitmap */ + skb_put_u8(skb, 0); + } } } -- cgit v1.2.3