diff options
| author | Kiran Venkatappa <kiranv@codeaurora.org> | 2017-07-09 22:44:17 +0530 |
|---|---|---|
| committer | snandini <snandini@codeaurora.org> | 2018-01-11 10:53:48 -0800 |
| commit | c686275355b01caf10041df880bdab555102b032 (patch) | |
| tree | f5be25cb171b19149a12b9a222ed711ad65477fd /hif | |
| parent | 980ceb9cb9e86be32047e7f750f83d7e0a18cb3f (diff) | |
| download | qca-wfi-host-cmn-c686275355b01caf10041df880bdab555102b032.tar.gz | |
qcacmn: Add support for ce_cancel_srng API
ce cacnel is used To release/flush buffers from source SRNGs which have
not been reaped yet. Update this API to use appropriate hal API to reap
all pending buffers.
Change-Id: I6f8179b765f0768f2c2b25cd384b0380b7782414
CRs-Fixed: 2165595
Diffstat (limited to 'hif')
| -rw-r--r-- | hif/src/ce/ce_service_srng.c | 55 |
1 files changed, 53 insertions, 2 deletions
diff --git a/hif/src/ce/ce_service_srng.c b/hif/src/ce/ce_service_srng.c index 2c2ca937b..0f6a3ce45 100644 --- a/hif/src/ce/ce_service_srng.c +++ b/hif/src/ce/ce_service_srng.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2016-2017 The Linux Foundation. All rights reserved. + * Copyright (c) 2016-2018 The Linux Foundation. All rights reserved. * * Permission to use, copy, modify, and/or distribute this software for * any purpose with or without fee is hereby granted, provided that the @@ -516,7 +516,58 @@ ce_cancel_send_next_srng(struct CE_handle *copyeng, unsigned int *transfer_idp, uint32_t *toeplitz_hash_result) { - return QDF_STATUS_E_INVAL; + struct CE_state *CE_state; + int status = QDF_STATUS_E_FAILURE; + struct CE_ring_state *src_ring; + unsigned int nentries_mask; + unsigned int sw_index; + struct hif_softc *scn; + struct ce_srng_src_desc *src_desc; + + CE_state = (struct CE_state *)copyeng; + src_ring = CE_state->src_ring; + if (!src_ring) + return QDF_STATUS_E_FAILURE; + + nentries_mask = src_ring->nentries_mask; + sw_index = src_ring->sw_index; + scn = CE_state->scn; + + if (hal_srng_access_start(scn->hal_soc, src_ring->srng_ctx)) { + status = QDF_STATUS_E_FAILURE; + return status; + } + + src_desc = hal_srng_src_pending_reap_next(scn->hal_soc, + src_ring->srng_ctx); + if (src_desc) { + /* Return data from completed source descriptor */ + *bufferp = (qdf_dma_addr_t) + (((uint64_t)(src_desc)->buffer_addr_lo + + ((uint64_t)((src_desc)->buffer_addr_hi & + 0xFF) << 32))); + *nbytesp = src_desc->nbytes; + *transfer_idp = src_desc->meta_data; + *toeplitz_hash_result = 0; /*src_desc->toeplitz_hash_result;*/ + + if (per_CE_contextp) + *per_CE_contextp = CE_state->send_context; + + /* sw_index is used more like read index */ + if (per_transfer_contextp) + *per_transfer_contextp = + src_ring->per_transfer_context[sw_index]; + + src_ring->per_transfer_context[sw_index] = 0; /* sanity */ + + /* Update sw_index */ + sw_index = CE_RING_IDX_INCR(nentries_mask, sw_index); + src_ring->sw_index = sw_index; + status = QDF_STATUS_SUCCESS; + } + hal_srng_access_end_reap(scn->hal_soc, src_ring->srng_ctx); + + return status; } /* Shift bits to convert IS_*_RING_*_WATERMARK_MASK to CE_WM_FLAG_*_* */ |