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cfg80211: add various struct element finding helpers

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We currently have a number of helpers to find elements that just
return a u8 *, change those to return a struct element and add
inlines to deal with the u8 * compatibility.

Note that the match behaviour is changed to start the natch at
the data, so conversion from _ie_match to _elem_match need to
be done carefully.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg
2019-02-07 23:26:38 +01:00
parent c17e28d1bc
commit 49a68e0d88
3 changed files with 149 additions and 33 deletions
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6
net/wireless/util.c
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@@ -776,7 +776,7 @@ unsigned int cfg80211_classify8021d(struct sk_buff *skb,
}
EXPORT_SYMBOL(cfg80211_classify8021d);
const u8 *ieee80211_bss_get_ie(struct cfg80211_bss *bss, u8 ie)
const struct element *ieee80211_bss_get_elem(struct cfg80211_bss *bss, u8 id)
{
const struct cfg80211_bss_ies *ies;
@@ -784,9 +784,9 @@ const u8 *ieee80211_bss_get_ie(struct cfg80211_bss *bss, u8 ie)
if (!ies)
return NULL;
return cfg80211_find_ie(ie, ies->data, ies->len);
return cfg80211_find_elem(id, ies->data, ies->len);
}
EXPORT_SYMBOL(ieee80211_bss_get_ie);
EXPORT_SYMBOL(ieee80211_bss_get_elem);
void cfg80211_upload_connect_keys(struct wireless_dev *wdev)
{