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authorBenjamin Berg <benjamin.berg@intel.com>2023-06-11 12:14:29 +0300
committerJohannes Berg <johannes.berg@intel.com>2023-06-12 09:52:52 +0200
commitd094482c9974a543851a18a1c587a7d132a81659 (patch)
tree8935a66ac7d0b2f006c4330359bad8032afa337a
parent7b3b9ac899b54f53f7c9fc07e1c562f56b2187fa (diff)
downloadperf-tools-next-d094482c9974a543851a18a1c587a7d132a81659.tar.gz
wifi: mac80211: fragment per STA profile correctly
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@intel.com> Signed-off-by: Gregory Greenman <gregory.greenman@intel.com> Link: https://lore.kernel.org/r/20230611121219.9b5c793d904b.I7dad952bea8e555e2f3139fbd415d0cd2b3a08c3@changeid Signed-off-by: Johannes Berg <johannes.berg@intel.com>
-rw-r--r--net/mac80211/ieee80211_i.h2
-rw-r--r--net/mac80211/mlme.c5
-rw-r--r--net/mac80211/util.c4
3 files changed, 6 insertions, 5 deletions
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index b0372e76f3739c..4159fb65038be5 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -2312,7 +2312,7 @@ 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 bd8d6f9545f5d0..5a4303130ef220 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 4bf76150925d20..3bd07a0a782f77 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -5049,7 +5049,7 @@ 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;
@@ -5069,7 +5069,7 @@ 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++;
}