qcacld-3.0: drop excess rx pkts if peer not registered
Currently if the peer is not registered, we add packets to a cached_bufq
(within a peer). In case the peer is not registered for quite a long
time, or if the vdev->rx pointer is somehow not set (when the vdev is
associated), this will lead to large number of nbufs from the FW being
added to this list. Eventually, we will run out of memory trying to add
nbufs to this list.
Keep an upper threshold on the number of elements in the cached_bufq.
Drop elements once the threshold is reached.
Change-Id: I02db9347addd77976f1d84897eee20d1e6f9c4ec
CRs-Fixed: 2026991
2 files changed