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cfg80211: move IE split utilities here from mac80211

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As the next patch will require the IE splitting utility functions
in cfg80211, move them there from mac80211.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg
2015-03-31 15:36:22 +02:00
parent ba8c3d6f16
commit 29464ccc78
5 changed files with 99 additions and 72 deletions
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28
include/net/mac80211.h
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@@ -5379,34 +5379,6 @@ int ieee80211_reserve_tid(struct ieee80211_sta *sta, u8 tid);
*/
void ieee80211_unreserve_tid(struct ieee80211_sta *sta, u8 tid);
/**
* ieee80211_ie_split - split an IE buffer according to ordering
*
* @ies: the IE buffer
* @ielen: the length of the IE buffer
* @ids: an array with element IDs that are allowed before
* the split
* @n_ids: the size of the element ID array
* @offset: offset where to start splitting in the buffer
*
* This function splits an IE buffer by updating the @offset
* variable to point to the location where the buffer should be
* split.
*
* It assumes that the given IE buffer is well-formed, this
* has to be guaranteed by the caller!
*
* It also assumes that the IEs in the buffer are ordered
* correctly, if not the result of using this function will not
* be ordered correctly either, i.e. it does no reordering.
*
* The function returns the offset where the next part of the
* buffer starts, which may be @ielen if the entire (remainder)
* of the buffer should be used.
*/
size_t ieee80211_ie_split(const u8 *ies, size_t ielen,
const u8 *ids, int n_ids, size_t offset);
/**
* ieee80211_tx_dequeue - dequeue a packet from a software tx queue
*