X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fcompress%2Fqat%2Fqat_comp.c;h=835aaa83826d6e791ca3093a0383fac0476c4b0b;hb=96c343868dd15ebdc74371a9dea2288b30ce13ea;hp=dd0fe1b34f0dec50513cc58c343278df567b566a;hpb=bf0cd226435ceff18980cfc5c11e2d13b2d56847;p=dpdk.git

diff --git a/drivers/compress/qat/qat_comp.c b/drivers/compress/qat/qat_comp.c
index dd0fe1b34f..835aaa8382 100644
--- a/drivers/compress/qat/qat_comp.c
+++ b/drivers/compress/qat/qat_comp.c
@@ -170,6 +170,18 @@ qat_comp_build_request(void *in_op, uint8_t *out_msg,
 		    rte_pktmbuf_mtophys_offset(op->m_dst, op->dst.offset);
 	}
 
+	if (unlikely(rte_pktmbuf_pkt_len(op->m_dst) < QAT_MIN_OUT_BUF_SIZE)) {
+		/* QAT doesn't support dest. buffer lower
+		 * than QAT_MIN_OUT_BUF_SIZE. Propagate error mark
+		 * by converting this request to the null one
+		 * and check the status in the response.
+		 */
+		QAT_DP_LOG(WARNING, "QAT destination buffer too small - resend with larger buffer");
+		comp_req->comn_hdr.service_type = ICP_QAT_FW_COMN_REQ_NULL;
+		comp_req->comn_hdr.service_cmd_id = ICP_QAT_FW_NULL_REQ_SERV_ID;
+		cookie->error = RTE_COMP_OP_STATUS_OUT_OF_SPACE_TERMINATED;
+	}
+
 #if RTE_LOG_DP_LEVEL >= RTE_LOG_DEBUG
 	QAT_DP_LOG(DEBUG, "Direction: %s",
 	    qat_xform->qat_comp_request_type == QAT_COMP_REQUEST_DECOMPRESS ?
@@ -181,10 +193,13 @@ qat_comp_build_request(void *in_op, uint8_t *out_msg,
 }
 
 int
-qat_comp_process_response(void **op, uint8_t *resp, uint64_t *dequeue_err_count)
+qat_comp_process_response(void **op, uint8_t *resp, void *op_cookie,
+			  uint64_t *dequeue_err_count)
 {
 	struct icp_qat_fw_comp_resp *resp_msg =
 			(struct icp_qat_fw_comp_resp *)resp;
+	struct qat_comp_op_cookie *cookie =
+			(struct qat_comp_op_cookie *)op_cookie;
 	struct rte_comp_op *rx_op = (struct rte_comp_op *)(uintptr_t)
 			(resp_msg->opaque_data);
 	struct qat_comp_xform *qat_xform = (struct qat_comp_xform *)
@@ -201,6 +216,17 @@ qat_comp_process_response(void **op, uint8_t *resp, uint64_t *dequeue_err_count)
 			sizeof(struct icp_qat_fw_comp_resp));
 #endif
 
+	if (unlikely(cookie->error)) {
+		rx_op->status = cookie->error;
+		cookie->error = 0;
+		++(*dequeue_err_count);
+		rx_op->debug_status = 0;
+		rx_op->consumed = 0;
+		rx_op->produced = 0;
+		*op = (void *)rx_op;
+		return 0;
+	}
+
 	if (likely(qat_xform->qat_comp_request_type
 			!= QAT_COMP_REQUEST_DECOMPRESS)) {
 		if (unlikely(ICP_QAT_FW_COMN_HDR_CNV_FLAG_GET(