[FS#776] ath9k wds mode station break off

[LEDE Bugs]

The following task has a new comment added:

FS#776 - ath9k wds mode station break off
User who did this - jianxi sun (ycsunjane)

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I have found the bug position:

mac80211 rx `ieee80211_sta_manage_reorder_buf`:

[ 1248.968407] mac80211 with out of date seq number: 2551 2547 2552
[ 1248.972972] mac80211 with out of date seq number: 2551 2548 2552
[ 1248.978800] mac80211 with out of date seq number: 2551 2549 2552
[ 1248.984760] mac80211 with out of date seq number: 2551 2550 2552
[ 1248.990636] mac80211 with out of date seq number: 2551 2551 2552


head_seq_num will  out-of-order. 

But i can not find why will out of order.
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More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=776#comment2842