[dpdk-dev] [PATCH 1/2] compress/qat: fix buffer lengths in offset case
Tomasz Jozwiak
tomaszx.jozwiak at intel.com
Thu Aug 2 17:09:25 CEST 2018
Fixed lengths for src and dest buffers
Fixes: 32842f2a6d7d ("compress/qat: create FW request and process response")
Signed-off-by: Tomasz Jozwiak <tomaszx.jozwiak at intel.com>
Acked-by: Fiona Trahe <fiona.trahe at intel.com>
---
drivers/compress/qat/qat_comp.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/drivers/compress/qat/qat_comp.c b/drivers/compress/qat/qat_comp.c
index cbf7614..522edfc 100644
--- a/drivers/compress/qat/qat_comp.c
+++ b/drivers/compress/qat/qat_comp.c
@@ -44,7 +44,8 @@ qat_comp_build_request(void *in_op, uint8_t *out_msg,
/* common for sgl and flat buffers */
comp_req->comp_pars.comp_len = op->src.length;
- comp_req->comp_pars.out_buffer_sz = rte_pktmbuf_pkt_len(op->m_dst);
+ comp_req->comp_pars.out_buffer_sz = rte_pktmbuf_pkt_len(op->m_dst) -
+ op->dst.offset;
if (op->m_src->next != NULL || op->m_dst->next != NULL) {
/* sgl */
@@ -85,8 +86,9 @@ qat_comp_build_request(void *in_op, uint8_t *out_msg,
/* flat aka linear buffer */
ICP_QAT_FW_COMN_PTR_TYPE_SET(comp_req->comn_hdr.comn_req_flags,
QAT_COMN_PTR_TYPE_FLAT);
- comp_req->comn_mid.src_length = rte_pktmbuf_data_len(op->m_src);
- comp_req->comn_mid.dst_length = rte_pktmbuf_data_len(op->m_dst);
+ comp_req->comn_mid.src_length = op->src.length;
+ comp_req->comn_mid.dst_length =
+ comp_req->comp_pars.out_buffer_sz;
comp_req->comn_mid.src_data_addr =
rte_pktmbuf_mtophys_offset(op->m_src, op->src.offset);
--
2.7.4
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