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Commit fa870efa authored by Jinwei Chen's avatar Jinwei Chen Committed by Gerrit - the friendly Code Review server
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qcacmn: handle IPA buffer smmu map/unmap correctly 

Handle ipa buffer smmu map/unmap with below changes,
(1) Do IPA smmu unmap for RX buffer received from REO
exception/WBM RX release/REO DST/RXDMA DST ring.
(2) Align IPA smmu map length to qdf_nbuf_map_nytes_single()
with fixed length.

Change-Id: I1ed46b31ed31f5b7e4e2484d519bc85d35ce1e69
CRs-Fixed: 2728644
parent ba6aca82

dp/wifi3.0/dp_rx.c

+1 −0
Original line number Diff line number Diff line
@@ -1931,6 +1931,7 @@ uint32_t dp_rx_process(struct dp_intr *int_ctx, void *hal_ring, 
		 * move unmap after scattered msdu waiting break logic

		 * in case double skb unmap happened.

		 */

		dp_ipa_handle_rx_buf_smmu_mapping(soc, rx_desc->nbuf, false);

		qdf_nbuf_unmap_single(soc->osdev, rx_desc->nbuf,

				      QDF_DMA_FROM_DEVICE);

		rx_desc->unmapped = 1;

dp/wifi3.0/dp_rx_defrag.c

+1 −0
Original line number Diff line number Diff line
@@ -1704,6 +1704,7 @@ uint32_t dp_rx_frag_handle(struct dp_soc *soc, void *ring_desc, 


	msdu = rx_desc->nbuf;



	dp_ipa_handle_rx_buf_smmu_mapping(soc, msdu, false);

	qdf_nbuf_unmap_single(soc->osdev, msdu,	QDF_DMA_FROM_DEVICE);

	rx_desc->unmapped = 1;

dp/wifi3.0/dp_rx_err.c

+7 −0
Original line number Diff line number Diff line
@@ -28,6 +28,7 @@ 
#include <cds_ieee80211_common.h>

#endif

#include "dp_rx_defrag.h"

#include "dp_ipa.h"

#ifdef FEATURE_WDS

#include "dp_txrx_wds.h"

#endif
@@ -289,6 +290,7 @@ static uint32_t dp_rx_msdus_drop(struct dp_soc *soc, void *ring_desc, 
			return rx_bufs_used;

		}



		dp_ipa_handle_rx_buf_smmu_mapping(soc, rx_desc->nbuf, false);

		qdf_nbuf_unmap_single(soc->osdev,

				      rx_desc->nbuf, QDF_DMA_FROM_DEVICE);
@@ -480,6 +482,7 @@ dp_rx_reo_err_entry_process(struct dp_soc *soc, 
		pdev = soc->pdev_list[rx_desc->pool_id];



		nbuf = rx_desc->nbuf;

		dp_ipa_handle_rx_buf_smmu_mapping(soc, nbuf, false);

		qdf_nbuf_unmap_single(soc->osdev,

				      nbuf, QDF_DMA_FROM_DEVICE);
@@ -1629,6 +1632,7 @@ dp_rx_wbm_err_process(struct dp_intr *int_ctx, struct dp_soc *soc, 
		}



		nbuf = rx_desc->nbuf;

		dp_ipa_handle_rx_buf_smmu_mapping(soc, nbuf, false);

		qdf_nbuf_unmap_single(soc->osdev, nbuf,	QDF_DMA_FROM_DEVICE);



		/*
@@ -1948,6 +1952,9 @@ dp_rx_err_mpdu_pop(struct dp_soc *soc, uint32_t mac_id, 
						continue;

					}



					dp_ipa_handle_rx_buf_smmu_mapping(soc,

									  msdu,

									  false);

					qdf_nbuf_unmap_single(soc->osdev, msdu,

						QDF_DMA_FROM_DEVICE);