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mac80211: add an option for drivers to check if packets can be aggregated

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Some hardwares have limitations on the packets' type in AMSDU.
Add an optional driver callback to determine if two skbs can
be used in the same AMSDU or not.

Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Sara Sharon
2018-09-05 08:06:11 +03:00
committed by Johannes Berg
parent edba6bdad6
commit 9739fe29a2
3 changed files with 20 additions and 0 deletions
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7
include/net/mac80211.h
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@@ -3594,6 +3594,10 @@ enum ieee80211_reconfig_type {
* @del_nan_func: Remove a NAN function. The driver must call
* ieee80211_nan_func_terminated() with
* NL80211_NAN_FUNC_TERM_REASON_USER_REQUEST reason code upon removal.
* @can_aggregate_in_amsdu: Called in order to determine if HW supports
* aggregating two specific frames in the same A-MSDU. The relation
* between the skbs should be symmetric and transitive. Note that while
* skb is always a real frame, head may or may not be an A-MSDU.
*/
struct ieee80211_ops {
void (*tx)(struct ieee80211_hw *hw,
@@ -3876,6 +3880,9 @@ struct ieee80211_ops {
void (*del_nan_func)(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
u8 instance_id);
bool (*can_aggregate_in_amsdu)(struct ieee80211_hw *hw,
struct sk_buff *head,
struct sk_buff *skb);
};
/**