net/dpaa2: support custom hash key

[dpdk.git] / drivers / net / dpaa2 / base / dpaa2_hw_dpni.c

diff --git a/drivers/net/dpaa2/base/dpaa2_hw_dpni.c b/drivers/net/dpaa2/base/dpaa2_hw_dpni.c
index a6f86df..11f1493 100644 (file)
--- a/drivers/net/dpaa2/base/dpaa2_hw_dpni.c
+++ b/drivers/net/dpaa2/base/dpaa2_hw_dpni.c
@@ -1,7 +1,7 @@
 /* SPDX-License-Identifier: BSD-3-Clause
  *
  *   Copyright (c) 2016 Freescale Semiconductor, Inc. All rights reserved.
- *   Copyright 2016 NXP
+ *   Copyright 2016-2018 NXP
  *
  */
 
@@ -28,6 +28,56 @@ dpaa2_distset_to_dpkg_profile_cfg(
                uint64_t req_dist_set,
                struct dpkg_profile_cfg *kg_cfg);
 
+int
+rte_pmd_dpaa2_set_custom_hash(uint16_t port_id,
+                             uint16_t offset,
+                             uint8_t size)
+{
+       struct rte_eth_dev *eth_dev = &rte_eth_devices[port_id];
+       struct dpaa2_dev_priv *priv = eth_dev->data->dev_private;
+       struct fsl_mc_io *dpni = priv->hw;
+       struct dpni_rx_tc_dist_cfg tc_cfg;
+       struct dpkg_profile_cfg kg_cfg;
+       void *p_params;
+       int ret, tc_index = 0;
+
+       p_params = rte_zmalloc(
+               NULL, DIST_PARAM_IOVA_SIZE, RTE_CACHE_LINE_SIZE);
+       if (!p_params) {
+               DPAA2_PMD_ERR("Unable to allocate flow-dist parameters");
+               return -ENOMEM;
+       }
+
+       kg_cfg.extracts[0].type = DPKG_EXTRACT_FROM_DATA;
+       kg_cfg.extracts[0].extract.from_data.offset = offset;
+       kg_cfg.extracts[0].extract.from_data.size = size;
+       kg_cfg.num_extracts = 1;
+
+       ret = dpkg_prepare_key_cfg(&kg_cfg, p_params);
+       if (ret) {
+               DPAA2_PMD_ERR("Unable to prepare extract parameters");
+               rte_free(p_params);
+               return ret;
+       }
+
+       memset(&tc_cfg, 0, sizeof(struct dpni_rx_tc_dist_cfg));
+       tc_cfg.key_cfg_iova = (size_t)(DPAA2_VADDR_TO_IOVA(p_params));
+       tc_cfg.dist_size = eth_dev->data->nb_rx_queues;
+       tc_cfg.dist_mode = DPNI_DIST_MODE_HASH;
+
+       ret = dpni_set_rx_tc_dist(dpni, CMD_PRI_LOW, priv->token, tc_index,
+                                 &tc_cfg);
+       rte_free(p_params);
+       if (ret) {
+               DPAA2_PMD_ERR(
+                            "Setting distribution for Rx failed with err: %d",
+                            ret);
+               return ret;
+       }
+
+       return 0;
+}
+
 int
 dpaa2_setup_flow_dist(struct rte_eth_dev *eth_dev,
                      uint64_t req_dist_set)