lisa/android_kernel_xiaomi_sm8350
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qcacld-3.0: Handle nbufs with ext list in RX thread

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Check for nbufs which might already have an existing ext list
before appending to it.

Change-Id: Iac24eaf8430d7f9280386f1449c567fce8aa52fb
CRs-Fixed: 2304742
This commit is contained in:
Pramod Simha 2018-08-20 15:46:34 -07:00 committed by nshrivas
parent 46151e3859
commit 7ee7b53e2c
1 changed files with 18 additions and 1 deletions
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19
core/dp/txrx3.0/dp_rx_thread.c
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@ -149,6 +149,21 @@ static QDF_STATUS dp_rx_tm_thread_enqueue(struct dp_rx_thread *rx_thread,
dp_rx_tm_walk_skb_list(nbuf_list);
head_ptr = nbuf_list;
/* Ensure head doesn't have an ext list */
while (qdf_unlikely(head_ptr && qdf_nbuf_get_ext_list(head_ptr))) {
QDF_NBUF_CB_RX_NUM_ELEMENTS_IN_LIST(head_ptr) = 1;
num_elements_in_nbuf--;
next_ptr_list = head_ptr->next;
qdf_nbuf_set_next(head_ptr, NULL);
qdf_nbuf_queue_head_enqueue_tail(&rx_thread->nbuf_queue,
head_ptr);
head_ptr = next_ptr_list;
}
if (!head_ptr)
goto enq_done;
next_ptr_list = head_ptr->next;
if (next_ptr_list) {
@ -161,6 +176,8 @@ static QDF_STATUS dp_rx_tm_thread_enqueue(struct dp_rx_thread *rx_thread,
qdf_nbuf_set_next(head_ptr, NULL);
qdf_nbuf_queue_head_enqueue_tail(&rx_thread->nbuf_queue, head_ptr);
enq_done:
temp_qlen = qdf_nbuf_queue_head_qlen(&rx_thread->nbuf_queue);
rx_thread->stats.nbuf_queued[reo_ring_num] += num_elements_in_nbuf;
@ -186,7 +203,7 @@ static qdf_nbuf_t dp_rx_tm_thread_dequeue(struct dp_rx_thread *rx_thread)
head = qdf_nbuf_queue_head_dequeue(&rx_thread->nbuf_queue);
nbuf_list = head;
if (head) {
if (head && QDF_NBUF_CB_RX_NUM_ELEMENTS_IN_LIST(head) > 1) {
/* move ext list to ->next pointer */
next_ptr_list = qdf_nbuf_get_ext_list(head);
qdf_nbuf_append_ext_list(head, NULL, 0);