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qcacmn: Add nbuf alloc failure to nbuf history

Browse source 
In addition to the other nbuf history events, track allocation failures.
This allows root causing issues due to nbuf exhaustion.

Change-Id: Ia0bbc6f12d26e32fcdb4cf7d0efef328417436ce
CRs-Fixed: 2329461
This commit is contained in:
Dustin Brown 2018-10-09 11:51:52 -07:00 • committed by nshrivas
commit e72b7f7e4c
1 changed files with 3 additions and 0 deletions
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3
qdf/linux/src/qdf_nbuf.c
View file

@ -536,6 +536,7 @@ qdf_export_symbol(__qdf_nbuf_free);
#ifdef NBUF_MEMORY_DEBUG
enum qdf_nbuf_event_type {
QDF_NBUF_ALLOC,
QDF_NBUF_ALLOC_FAILURE,
QDF_NBUF_FREE,
QDF_NBUF_MAP,
QDF_NBUF_UNMAP,
@ -2667,6 +2668,8 @@ qdf_nbuf_t qdf_nbuf_alloc_debug(qdf_device_t osdev, qdf_size_t size,
if (qdf_likely(nbuf)) {
qdf_net_buf_debug_add_node(nbuf, size, file, line);
qdf_nbuf_history_add(nbuf, file, line, QDF_NBUF_ALLOC);
} else {
qdf_nbuf_history_add(nbuf, file, line, QDF_NBUF_ALLOC_FAILURE);
}
return nbuf;