--- /dev/null
+/*-
+ * BSD LICENSE
+ *
+ * Copyright(c) 2016 Intel Corporation. All rights reserved.
+ * 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 Intel Corporation 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.
+ */
+
+/*
+ * Routing Table (RT)
+ */
+#include <sys/types.h>
+#include <rte_lpm.h>
+#include <rte_errno.h>
+
+#include "ipsec.h"
+
+#define RT_IPV4_MAX_RULES 64
+
+struct ipv4_route {
+ uint32_t ip;
+ uint8_t depth;
+ uint8_t if_out;
+};
+
+/* In the default routing table we have:
+ * ep0 protected ports 0 and 1, and unprotected ports 2 and 3.
+ */
+static struct ipv4_route rt_ipv4_ep0[] = {
+ { IPv4(172, 16, 2, 5), 32, 0 },
+ { IPv4(172, 16, 2, 6), 32, 0 },
+ { IPv4(172, 16, 2, 7), 32, 1 },
+ { IPv4(172, 16, 2, 8), 32, 1 },
+
+ { IPv4(192, 168, 115, 0), 24, 2 },
+ { IPv4(192, 168, 116, 0), 24, 2 },
+ { IPv4(192, 168, 117, 0), 24, 3 },
+ { IPv4(192, 168, 118, 0), 24, 3 },
+
+ { IPv4(192, 168, 210, 0), 24, 2 },
+
+ { IPv4(192, 168, 240, 0), 24, 2 },
+ { IPv4(192, 168, 250, 0), 24, 0 }
+};
+
+/* In the default routing table we have:
+ * ep1 protected ports 0 and 1, and unprotected ports 2 and 3.
+ */
+static struct ipv4_route rt_ipv4_ep1[] = {
+ { IPv4(172, 16, 1, 5), 32, 2 },
+ { IPv4(172, 16, 1, 6), 32, 2 },
+ { IPv4(172, 16, 1, 7), 32, 3 },
+ { IPv4(172, 16, 1, 8), 32, 3 },
+
+ { IPv4(192, 168, 105, 0), 24, 0 },
+ { IPv4(192, 168, 106, 0), 24, 0 },
+ { IPv4(192, 168, 107, 0), 24, 1 },
+ { IPv4(192, 168, 108, 0), 24, 1 },
+
+ { IPv4(192, 168, 200, 0), 24, 0 },
+
+ { IPv4(192, 168, 240, 0), 24, 2 },
+ { IPv4(192, 168, 250, 0), 24, 0 }
+};
+
+void
+rt_init(struct socket_ctx *ctx, int socket_id, unsigned ep)
+{
+ char name[PATH_MAX];
+ unsigned i;
+ int ret;
+ struct rte_lpm *lpm;
+ struct ipv4_route *rt;
+ char a, b, c, d;
+ unsigned nb_routes;
+ struct rte_lpm_config conf = { 0 };
+
+ if (ctx == NULL)
+ rte_exit(EXIT_FAILURE, "NULL context.\n");
+
+ if (ctx->rt_ipv4 != NULL)
+ rte_exit(EXIT_FAILURE, "Routing Table for socket %u already "
+ "initialized\n", socket_id);
+
+ printf("Creating Routing Table (RT) context with %u max routes\n",
+ RT_IPV4_MAX_RULES);
+
+ if (ep == 0) {
+ rt = rt_ipv4_ep0;
+ nb_routes = RTE_DIM(rt_ipv4_ep0);
+ } else if (ep == 1) {
+ rt = rt_ipv4_ep1;
+ nb_routes = RTE_DIM(rt_ipv4_ep1);
+ } else
+ rte_exit(EXIT_FAILURE, "Invalid EP value %u. Only 0 or 1 "
+ "supported.\n", ep);
+
+ /* create the LPM table */
+ snprintf(name, sizeof(name), "%s_%u", "rt_ipv4", socket_id);
+ conf.max_rules = RT_IPV4_MAX_RULES;
+ conf.number_tbl8s = RTE_LPM_TBL8_NUM_ENTRIES;
+ lpm = rte_lpm_create(name, socket_id, &conf);
+ if (lpm == NULL)
+ rte_exit(EXIT_FAILURE, "Unable to create LPM table "
+ "on socket %d\n", socket_id);
+
+ /* populate the LPM table */
+ for (i = 0; i < nb_routes; i++) {
+ ret = rte_lpm_add(lpm, rt[i].ip, rt[i].depth, rt[i].if_out);
+ if (ret < 0)
+ rte_exit(EXIT_FAILURE, "Unable to add entry num %u to "
+ "LPM table on socket %d\n", i, socket_id);
+
+ uint32_t_to_char(rt[i].ip, &a, &b, &c, &d);
+ printf("LPM: Adding route %hhu.%hhu.%hhu.%hhu/%hhu (%hhu)\n",
+ a, b, c, d, rt[i].depth, rt[i].if_out);
+ }
+
+ ctx->rt_ipv4 = (struct rt_ctx *)lpm;
+}
Code Review / deb_dpdk.git / blobdiff