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37 #include <sys/types.h>
39 #include <rte_errno.h>
43 #define RT_IPV4_MAX_RULES 64
51 /* In the default routing table we have:
52 * ep0 protected ports 0 and 1, and unprotected ports 2 and 3.
54 static struct ipv4_route rt_ipv4_ep0[] = {
55 { IPv4(172, 16, 2, 5), 32, 0 },
56 { IPv4(172, 16, 2, 6), 32, 0 },
57 { IPv4(172, 16, 2, 7), 32, 1 },
58 { IPv4(172, 16, 2, 8), 32, 1 },
60 { IPv4(192, 168, 115, 0), 24, 2 },
61 { IPv4(192, 168, 116, 0), 24, 2 },
62 { IPv4(192, 168, 117, 0), 24, 3 },
63 { IPv4(192, 168, 118, 0), 24, 3 },
65 { IPv4(192, 168, 210, 0), 24, 2 },
67 { IPv4(192, 168, 240, 0), 24, 2 },
68 { IPv4(192, 168, 250, 0), 24, 0 }
71 /* In the default routing table we have:
72 * ep1 protected ports 0 and 1, and unprotected ports 2 and 3.
74 static struct ipv4_route rt_ipv4_ep1[] = {
75 { IPv4(172, 16, 1, 5), 32, 2 },
76 { IPv4(172, 16, 1, 6), 32, 2 },
77 { IPv4(172, 16, 1, 7), 32, 3 },
78 { IPv4(172, 16, 1, 8), 32, 3 },
80 { IPv4(192, 168, 105, 0), 24, 0 },
81 { IPv4(192, 168, 106, 0), 24, 0 },
82 { IPv4(192, 168, 107, 0), 24, 1 },
83 { IPv4(192, 168, 108, 0), 24, 1 },
85 { IPv4(192, 168, 200, 0), 24, 0 },
87 { IPv4(192, 168, 240, 0), 24, 2 },
88 { IPv4(192, 168, 250, 0), 24, 0 }
92 rt_init(struct socket_ctx *ctx, int socket_id, unsigned ep)
98 struct ipv4_route *rt;
101 struct rte_lpm_config conf = { 0 };
104 rte_exit(EXIT_FAILURE, "NULL context.\n");
106 if (ctx->rt_ipv4 != NULL)
107 rte_exit(EXIT_FAILURE, "Routing Table for socket %u already "
108 "initialized\n", socket_id);
110 printf("Creating Routing Table (RT) context with %u max routes\n",
115 nb_routes = RTE_DIM(rt_ipv4_ep0);
116 } else if (ep == 1) {
118 nb_routes = RTE_DIM(rt_ipv4_ep1);
120 rte_exit(EXIT_FAILURE, "Invalid EP value %u. Only 0 or 1 "
123 /* create the LPM table */
124 snprintf(name, sizeof(name), "%s_%u", "rt_ipv4", socket_id);
125 conf.max_rules = RT_IPV4_MAX_RULES;
126 conf.number_tbl8s = RTE_LPM_TBL8_NUM_ENTRIES;
127 lpm = rte_lpm_create(name, socket_id, &conf);
129 rte_exit(EXIT_FAILURE, "Unable to create LPM table "
130 "on socket %d\n", socket_id);
132 /* populate the LPM table */
133 for (i = 0; i < nb_routes; i++) {
134 ret = rte_lpm_add(lpm, rt[i].ip, rt[i].depth, rt[i].if_out);
136 rte_exit(EXIT_FAILURE, "Unable to add entry num %u to "
137 "LPM table on socket %d\n", i, socket_id);
139 uint32_t_to_char(rt[i].ip, &a, &b, &c, &d);
140 printf("LPM: Adding route %hhu.%hhu.%hhu.%hhu/%hhu (%hhu)\n",
141 a, b, c, d, rt[i].depth, rt[i].if_out);
144 ctx->rt_ipv4 = (struct rt_ctx *)lpm;