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qcacmn: Ignore fragmented packet before peer TID setup

Telusuri Sumber 
peer->rx_tid[tid].array is initiailized when peer TID is setup.
It seems like we are processing the fragmented Rx packet before peer
TID is setup. Drop the fragmented packet in this case.

Change-Id: Ic076e59a9074efff9fed9f9154aa973c41f67341
CRs-Fixed: 2388684
This commit is contained in:
Manjunathappa Prakash
2019-02-05 19:58:05 -08:00
committed by nshrivas
orang tua 9d90996935
melakukan a5a3a1e49d
2 mengubah file dengan 10 tambahan dan 7 penghapusan
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12
dp/wifi3.0/dp_rx_defrag.c
Melihat File

@@ -1393,8 +1393,6 @@ static QDF_STATUS dp_rx_defrag_store_fragment(struct dp_soc *soc,
pdev = peer->vdev->pdev;
rx_tid = &peer->rx_tid[tid];
rx_reorder_array_elem = peer->rx_tid[tid].array;
mpdu_sequence_control_valid =
hal_rx_get_mpdu_sequence_control_valid(rx_desc->rx_buf_start);
@@ -1433,6 +1431,16 @@ static QDF_STATUS dp_rx_defrag_store_fragment(struct dp_soc *soc,
*/
fragno = dp_rx_frag_get_mpdu_frag_number(rx_desc->rx_buf_start);
rx_reorder_array_elem = peer->rx_tid[tid].array;
if (!rx_reorder_array_elem) {
QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR,
"Rcvd Fragmented pkt before peer_tid is setup");
qdf_nbuf_free(frag);
dp_rx_add_to_free_desc_list(head, tail, rx_desc);
*rx_bfs = 1;
goto end;
}
/*
* !more_frag: no more fragments to be delivered
* !frag_no: packet is not fragmented