This is a note to let you know that I've just added the patch titled
wifi: mac80211: fragment per STA profile correctly
to the 6.3-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
wifi-mac80211-fragment-per-sta-profile-correctly.patch
and it can be found in the queue-6.3 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit e7af0ceeace59df51e07cc9b9d7c006491a1db02
Author: Benjamin Berg <benjamin.berg@xxxxxxxxx>
Date: Sun Jun 11 12:14:29 2023 +0300
wifi: mac80211: fragment per STA profile correctly
[ Upstream commit d094482c9974a543851a18a1c587a7d132a81659 ]
When fragmenting the ML per STA profile, the element ID should be
IEEE80211_MLE_SUBELEM_PER_STA_PROFILE rather than WLAN_EID_FRAGMENT.
Change the helper function to take the to be used element ID and pass
the appropriate value for each of the fragmentation levels.
Fixes: 81151ce462e5 ("wifi: mac80211: support MLO authentication/association with one link")
Signed-off-by: Benjamin Berg <benjamin.berg@xxxxxxxxx>
Signed-off-by: Gregory Greenman <gregory.greenman@xxxxxxxxx>
Link: https://lore.kernel.org/r/20230611121219.9b5c793d904b.I7dad952bea8e555e2f3139fbd415d0cd2b3a08c3@changeid
Signed-off-by: Johannes Berg <johannes.berg@xxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index eba7ae63fac45..347030b9bb9e3 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -2272,7 +2272,7 @@ ieee802_11_parse_elems(const u8 *start, size_t len, bool action,
return ieee802_11_parse_elems_crc(start, len, action, 0, 0, bss);
}
-void ieee80211_fragment_element(struct sk_buff *skb, u8 *len_pos);
+void ieee80211_fragment_element(struct sk_buff *skb, u8 *len_pos, u8 frag_id);
extern const int ieee802_1d_to_ac[8];
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 7a970b6dda640..d28a35c538bac 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -1372,10 +1372,11 @@ static void ieee80211_assoc_add_ml_elem(struct ieee80211_sub_if_data *sdata,
ieee80211_add_non_inheritance_elem(skb, outer_present_elems,
link_present_elems);
- ieee80211_fragment_element(skb, subelem_len);
+ ieee80211_fragment_element(skb, subelem_len,
+ IEEE80211_MLE_SUBELEM_FRAGMENT);
}
- ieee80211_fragment_element(skb, ml_elem_len);
+ ieee80211_fragment_element(skb, ml_elem_len, WLAN_EID_FRAGMENT);
}
static int ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata)
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index d7b382866b260..1a0d38cd46337 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -4955,7 +4955,7 @@ u8 *ieee80211_ie_build_eht_cap(u8 *pos,
return pos;
}
-void ieee80211_fragment_element(struct sk_buff *skb, u8 *len_pos)
+void ieee80211_fragment_element(struct sk_buff *skb, u8 *len_pos, u8 frag_id)
{
unsigned int elem_len;
@@ -4975,7 +4975,7 @@ void ieee80211_fragment_element(struct sk_buff *skb, u8 *len_pos)
memmove(len_pos + 255 + 3, len_pos + 255 + 1, elem_len);
/* place the fragment ID */
len_pos += 255 + 1;
- *len_pos = WLAN_EID_FRAGMENT;
+ *len_pos = frag_id;
/* and point to fragment length to update later */
len_pos++;
}
