From 984e78d3cd6daa8b58507867c26b65b27f44c4b1 Mon Sep 17 00:00:00 2001 From: Artur Trybula Date: Wed, 16 Oct 2019 11:40:44 +0200 Subject: [PATCH] compress/qat: catch overflow for stateless compression This patch adds out-of-space recoverable feature for stateless compression scenario to QuickAssist compressdev driver Signed-off-by: Artur Trybula Acked-by: Fiona Trahe --- drivers/compress/qat/qat_comp.c | 28 +++++++++++++++++++++++++--- 1 file changed, 25 insertions(+), 3 deletions(-) diff --git a/drivers/compress/qat/qat_comp.c b/drivers/compress/qat/qat_comp.c index 8717b7432f..533e34f6bb 100644 --- a/drivers/compress/qat/qat_comp.c +++ b/drivers/compress/qat/qat_comp.c @@ -324,10 +324,32 @@ qat_comp_process_response(void **op, uint8_t *resp, void *op_cookie, (!cmp_err_code && xlat_err_code == ERR_CODE_OVERFLOW_ERROR) || (cmp_err_code == ERR_CODE_OVERFLOW_ERROR && - xlat_err_code == ERR_CODE_OVERFLOW_ERROR)) - rx_op->status = + xlat_err_code == ERR_CODE_OVERFLOW_ERROR)){ + + struct icp_qat_fw_resp_comp_pars *comp_resp = + (struct icp_qat_fw_resp_comp_pars *)&resp_msg->comp_resp_pars; + + /* handle recoverable out-of-buffer condition */ + /* in stateless compression scenario */ + if (comp_resp->input_byte_counter) { + if ((qat_xform->qat_comp_request_type + == QAT_COMP_REQUEST_FIXED_COMP_STATELESS) || + (qat_xform->qat_comp_request_type + == QAT_COMP_REQUEST_DYNAMIC_COMP_STATELESS)) { + + rx_op->status = + RTE_COMP_OP_STATUS_OUT_OF_SPACE_RECOVERABLE; + rx_op->consumed = + comp_resp->input_byte_counter; + rx_op->produced = + comp_resp->output_byte_counter; + } else + rx_op->status = + RTE_COMP_OP_STATUS_OUT_OF_SPACE_TERMINATED; + } else + rx_op->status = RTE_COMP_OP_STATUS_OUT_OF_SPACE_TERMINATED; - else + } else rx_op->status = RTE_COMP_OP_STATUS_ERROR; ++(*dequeue_err_count); -- 2.20.1