Imported Upstream version 17.05
[deb_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
new file mode 100644 (file)
index 0000000..3dc60cc
--- /dev/null
@@ -0,0 +1,344 @@
+/*-
+ *   BSD LICENSE
+ *
+ *   Copyright (c) 2016 Freescale Semiconductor, Inc. All rights reserved.
+ *   Copyright (c) 2016 NXP. All rights reserved.
+ *
+ *   Redistribution and use in source and binary forms, with or without
+ *   modification, are permitted provided that the following conditions
+ *   are met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in
+ *       the documentation and/or other materials provided with the
+ *       distribution.
+ *     * Neither the name of Freescale Semiconductor, Inc nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <time.h>
+#include <net/if.h>
+
+#include <rte_mbuf.h>
+#include <rte_ethdev.h>
+#include <rte_malloc.h>
+#include <rte_memcpy.h>
+#include <rte_string_fns.h>
+#include <rte_cycles.h>
+#include <rte_kvargs.h>
+#include <rte_dev.h>
+#include <rte_ethdev.h>
+
+#include <fslmc_logs.h>
+#include <dpaa2_hw_pvt.h>
+#include <dpaa2_hw_mempool.h>
+
+#include "../dpaa2_ethdev.h"
+
+static void
+dpaa2_distset_to_dpkg_profile_cfg(
+               uint32_t req_dist_set,
+               struct dpkg_profile_cfg *kg_cfg);
+
+int
+dpaa2_setup_flow_dist(struct rte_eth_dev *eth_dev,
+                     uint32_t req_dist_set)
+{
+       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_malloc(
+               NULL, DIST_PARAM_IOVA_SIZE, RTE_CACHE_LINE_SIZE);
+       if (!p_params) {
+               RTE_LOG(ERR, PMD, "Memory unavaialble\n");
+               return -ENOMEM;
+       }
+       memset(p_params, 0, DIST_PARAM_IOVA_SIZE);
+       memset(&tc_cfg, 0, sizeof(struct dpni_rx_tc_dist_cfg));
+
+       dpaa2_distset_to_dpkg_profile_cfg(req_dist_set, &kg_cfg);
+       tc_cfg.key_cfg_iova = (uint64_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_prepare_key_cfg(&kg_cfg, p_params);
+       if (ret) {
+               RTE_LOG(ERR, PMD, "Unable to prepare extract parameters\n");
+               rte_free(p_params);
+               return ret;
+       }
+
+       ret = dpni_set_rx_tc_dist(dpni, CMD_PRI_LOW, priv->token, tc_index,
+                                 &tc_cfg);
+       rte_free(p_params);
+       if (ret) {
+               RTE_LOG(ERR, PMD, "Setting distribution for Rx failed with"
+                       " err code: %d\n", ret);
+               return ret;
+       }
+
+       return 0;
+}
+
+int dpaa2_remove_flow_dist(
+       struct rte_eth_dev *eth_dev,
+       uint8_t tc_index)
+{
+       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;
+
+       p_params = rte_malloc(
+               NULL, DIST_PARAM_IOVA_SIZE, RTE_CACHE_LINE_SIZE);
+       if (!p_params) {
+               RTE_LOG(ERR, PMD, "Memory unavaialble\n");
+               return -ENOMEM;
+       }
+       memset(p_params, 0, DIST_PARAM_IOVA_SIZE);
+       memset(&tc_cfg, 0, sizeof(struct dpni_rx_tc_dist_cfg));
+
+       tc_cfg.key_cfg_iova = (uint64_t)(DPAA2_VADDR_TO_IOVA(p_params));
+       tc_cfg.dist_size = 0;
+       tc_cfg.dist_mode = DPNI_DIST_MODE_NONE;
+
+       ret = dpni_prepare_key_cfg(&kg_cfg, p_params);
+       if (ret) {
+               RTE_LOG(ERR, PMD, "Unable to prepare extract parameters\n");
+               rte_free(p_params);
+               return ret;
+       }
+
+       ret = dpni_set_rx_tc_dist(dpni, CMD_PRI_LOW, priv->token, tc_index,
+                                 &tc_cfg);
+       rte_free(p_params);
+       if (ret) {
+               RTE_LOG(ERR, PMD, "Setting distribution for Rx failed with"
+                       " err code: %d\n", ret);
+               return ret;
+       }
+       return ret;
+}
+
+static void
+dpaa2_distset_to_dpkg_profile_cfg(
+               uint32_t req_dist_set,
+               struct dpkg_profile_cfg *kg_cfg)
+{
+       uint32_t loop = 0, i = 0, dist_field = 0;
+       int l2_configured = 0, l3_configured = 0;
+       int l4_configured = 0, sctp_configured = 0;
+
+       memset(kg_cfg, 0, sizeof(struct dpkg_profile_cfg));
+       while (req_dist_set) {
+               if (req_dist_set % 2 != 0) {
+                       dist_field = 1U << loop;
+                       switch (dist_field) {
+                       case ETH_RSS_L2_PAYLOAD:
+
+                               if (l2_configured)
+                                       break;
+                               l2_configured = 1;
+
+                               kg_cfg->extracts[i].extract.from_hdr.prot =
+                                       NET_PROT_ETH;
+                               kg_cfg->extracts[i].extract.from_hdr.field =
+                                       NH_FLD_ETH_TYPE;
+                               kg_cfg->extracts[i].type =
+                                       DPKG_EXTRACT_FROM_HDR;
+                               kg_cfg->extracts[i].extract.from_hdr.type =
+                                       DPKG_FULL_FIELD;
+                               i++;
+                       break;
+
+                       case ETH_RSS_IPV4:
+                       case ETH_RSS_FRAG_IPV4:
+                       case ETH_RSS_NONFRAG_IPV4_OTHER:
+                       case ETH_RSS_IPV6:
+                       case ETH_RSS_FRAG_IPV6:
+                       case ETH_RSS_NONFRAG_IPV6_OTHER:
+                       case ETH_RSS_IPV6_EX:
+
+                               if (l3_configured)
+                                       break;
+                               l3_configured = 1;
+
+                               kg_cfg->extracts[i].extract.from_hdr.prot =
+                                       NET_PROT_IP;
+                               kg_cfg->extracts[i].extract.from_hdr.field =
+                                       NH_FLD_IP_SRC;
+                               kg_cfg->extracts[i].type =
+                                       DPKG_EXTRACT_FROM_HDR;
+                               kg_cfg->extracts[i].extract.from_hdr.type =
+                                       DPKG_FULL_FIELD;
+                               i++;
+
+                               kg_cfg->extracts[i].extract.from_hdr.prot =
+                                       NET_PROT_IP;
+                               kg_cfg->extracts[i].extract.from_hdr.field =
+                                       NH_FLD_IP_DST;
+                               kg_cfg->extracts[i].type =
+                                       DPKG_EXTRACT_FROM_HDR;
+                               kg_cfg->extracts[i].extract.from_hdr.type =
+                                       DPKG_FULL_FIELD;
+                               i++;
+
+                               kg_cfg->extracts[i].extract.from_hdr.prot =
+                                       NET_PROT_IP;
+                               kg_cfg->extracts[i].extract.from_hdr.field =
+                                       NH_FLD_IP_PROTO;
+                               kg_cfg->extracts[i].type =
+                                       DPKG_EXTRACT_FROM_HDR;
+                               kg_cfg->extracts[i].extract.from_hdr.type =
+                                       DPKG_FULL_FIELD;
+                               kg_cfg->num_extracts++;
+                               i++;
+                       break;
+
+                       case ETH_RSS_NONFRAG_IPV4_TCP:
+                       case ETH_RSS_NONFRAG_IPV6_TCP:
+                       case ETH_RSS_NONFRAG_IPV4_UDP:
+                       case ETH_RSS_NONFRAG_IPV6_UDP:
+                       case ETH_RSS_IPV6_TCP_EX:
+                       case ETH_RSS_IPV6_UDP_EX:
+
+                               if (l4_configured)
+                                       break;
+                               l4_configured = 1;
+
+                               kg_cfg->extracts[i].extract.from_hdr.prot =
+                                       NET_PROT_TCP;
+                               kg_cfg->extracts[i].extract.from_hdr.field =
+                                       NH_FLD_TCP_PORT_SRC;
+                               kg_cfg->extracts[i].type =
+                                       DPKG_EXTRACT_FROM_HDR;
+                               kg_cfg->extracts[i].extract.from_hdr.type =
+                                       DPKG_FULL_FIELD;
+                               i++;
+
+                               kg_cfg->extracts[i].extract.from_hdr.prot =
+                                       NET_PROT_TCP;
+                               kg_cfg->extracts[i].extract.from_hdr.field =
+                                       NH_FLD_TCP_PORT_SRC;
+                               kg_cfg->extracts[i].type =
+                                       DPKG_EXTRACT_FROM_HDR;
+                               kg_cfg->extracts[i].extract.from_hdr.type =
+                                       DPKG_FULL_FIELD;
+                               i++;
+                               break;
+
+                       case ETH_RSS_NONFRAG_IPV4_SCTP:
+                       case ETH_RSS_NONFRAG_IPV6_SCTP:
+
+                               if (sctp_configured)
+                                       break;
+                               sctp_configured = 1;
+
+                               kg_cfg->extracts[i].extract.from_hdr.prot =
+                                       NET_PROT_SCTP;
+                               kg_cfg->extracts[i].extract.from_hdr.field =
+                                       NH_FLD_SCTP_PORT_SRC;
+                               kg_cfg->extracts[i].type =
+                                       DPKG_EXTRACT_FROM_HDR;
+                               kg_cfg->extracts[i].extract.from_hdr.type =
+                                       DPKG_FULL_FIELD;
+                               i++;
+
+                               kg_cfg->extracts[i].extract.from_hdr.prot =
+                                       NET_PROT_SCTP;
+                               kg_cfg->extracts[i].extract.from_hdr.field =
+                                       NH_FLD_SCTP_PORT_DST;
+                               kg_cfg->extracts[i].type =
+                                       DPKG_EXTRACT_FROM_HDR;
+                               kg_cfg->extracts[i].extract.from_hdr.type =
+                                       DPKG_FULL_FIELD;
+                               i++;
+                               break;
+
+                       default:
+                               PMD_DRV_LOG(WARNING, "Bad flow distribution"
+                                           " option %x\n", dist_field);
+                       }
+               }
+               req_dist_set = req_dist_set >> 1;
+               loop++;
+       }
+       kg_cfg->num_extracts = i;
+}
+
+int
+dpaa2_attach_bp_list(struct dpaa2_dev_priv *priv,
+                    void *blist)
+{
+       /* Function to attach a DPNI with a buffer pool list. Buffer pool list
+        * handle is passed in blist.
+        */
+       int32_t retcode;
+       struct fsl_mc_io *dpni = priv->hw;
+       struct dpni_pools_cfg bpool_cfg;
+       struct dpaa2_bp_list *bp_list = (struct dpaa2_bp_list *)blist;
+       struct dpni_buffer_layout layout;
+       int tot_size;
+
+       /* ... rx buffer layout .
+        * Check alignment for buffer layouts first
+        */
+
+       /* ... rx buffer layout ... */
+       tot_size = DPAA2_HW_BUF_RESERVE + RTE_PKTMBUF_HEADROOM;
+       tot_size = RTE_ALIGN_CEIL(tot_size,
+                                 DPAA2_PACKET_LAYOUT_ALIGN);
+
+       memset(&layout, 0, sizeof(struct dpni_buffer_layout));
+       layout.options = DPNI_BUF_LAYOUT_OPT_DATA_HEAD_ROOM;
+
+       layout.data_head_room =
+               tot_size - DPAA2_FD_PTA_SIZE - DPAA2_MBUF_HW_ANNOTATION;
+       retcode = dpni_set_buffer_layout(dpni, CMD_PRI_LOW, priv->token,
+                                        DPNI_QUEUE_RX, &layout);
+       if (retcode) {
+               PMD_INIT_LOG(ERR, "Err(%d) in setting rx buffer layout\n",
+                            retcode);
+               return retcode;
+       }
+
+       /*Attach buffer pool to the network interface as described by the user*/
+       bpool_cfg.num_dpbp = 1;
+       bpool_cfg.pools[0].dpbp_id = bp_list->buf_pool.dpbp_node->dpbp_id;
+       bpool_cfg.pools[0].backup_pool = 0;
+       bpool_cfg.pools[0].buffer_size =
+               RTE_ALIGN_CEIL(bp_list->buf_pool.size,
+                              256 /*DPAA2_PACKET_LAYOUT_ALIGN*/);
+
+       retcode = dpni_set_pools(dpni, CMD_PRI_LOW, priv->token, &bpool_cfg);
+       if (retcode != 0) {
+               PMD_INIT_LOG(ERR, "Error in attaching the buffer pool list"
+                               " bpid = %d Error code = %d\n",
+                               bpool_cfg.pools[0].dpbp_id, retcode);
+               return retcode;
+       }
+
+       priv->bp_list = bp_list;
+       return 0;
+}