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qcacmn: Schedule oom_allocation work for SRNG based CE

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On nbuf allocation failure in hif_post_recv_buffers_for_pipe
for the last buffer in the CE destination ring, oom_allocation
work is not getting scheduled since there is a mismatch
between the recv_buffers_needed and the num_entries - 1 of the
destination ring.

Fix is to schedule the oom_allocation work for srng
based CE with appropriate check of recv_buffers_needed
and destination ring num_entries.

Change-Id: Ie20d5b21358a401e60776db8a3a8a8644279f1fe
CRs-Fixed: 2705475
This commit is contained in:
Yeshwanth Sriram Guntuka
2020-06-10 12:43:41 +05:30
committed by nshrivas
parent b3cce9518b
commit 874f714a03
1 changed files with 3 additions and 1 deletions
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4
hif/src/ce/ce_main.c
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@@ -2454,7 +2454,9 @@ static void hif_post_recv_buffers_failure(struct HIF_CE_pipe_info *pipe_info,
* there is no trigger to refill the ce and we will
* eventually crash
*/
if (bufs_needed_tmp == CE_state->dest_ring->nentries - 1)
if (bufs_needed_tmp == CE_state->dest_ring->nentries - 1 ||
(ce_srng_based(scn) &&
bufs_needed_tmp == CE_state->dest_ring->nentries - 2))
qdf_sched_work(scn->qdf_dev, &CE_state->oom_allocation_work);
}