--- /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.
+ */
+
+/*
+ * Security Policies
+ */
+#include <sys/types.h>
+#include <netinet/in.h>
+#include <netinet/ip6.h>
+
+#include <rte_acl.h>
+#include <rte_ip.h>
+
+#include "ipsec.h"
+
+#define MAX_ACL_RULE_NUM 1000
+
+enum {
+ IP6_PROTO,
+ IP6_SRC0,
+ IP6_SRC1,
+ IP6_SRC2,
+ IP6_SRC3,
+ IP6_DST0,
+ IP6_DST1,
+ IP6_DST2,
+ IP6_DST3,
+ IP6_SRCP,
+ IP6_DSTP,
+ IP6_NUM
+};
+
+#define IP6_ADDR_SIZE 16
+
+struct rte_acl_field_def ip6_defs[IP6_NUM] = {
+ {
+ .type = RTE_ACL_FIELD_TYPE_BITMASK,
+ .size = sizeof(uint8_t),
+ .field_index = IP6_PROTO,
+ .input_index = IP6_PROTO,
+ .offset = 0,
+ },
+ {
+ .type = RTE_ACL_FIELD_TYPE_MASK,
+ .size = 4,
+ .field_index = IP6_SRC0,
+ .input_index = IP6_SRC0,
+ .offset = 2
+ },
+ {
+ .type = RTE_ACL_FIELD_TYPE_MASK,
+ .size = 4,
+ .field_index = IP6_SRC1,
+ .input_index = IP6_SRC1,
+ .offset = 6
+ },
+ {
+ .type = RTE_ACL_FIELD_TYPE_MASK,
+ .size = 4,
+ .field_index = IP6_SRC2,
+ .input_index = IP6_SRC2,
+ .offset = 10
+ },
+ {
+ .type = RTE_ACL_FIELD_TYPE_MASK,
+ .size = 4,
+ .field_index = IP6_SRC3,
+ .input_index = IP6_SRC3,
+ .offset = 14
+ },
+ {
+ .type = RTE_ACL_FIELD_TYPE_MASK,
+ .size = 4,
+ .field_index = IP6_DST0,
+ .input_index = IP6_DST0,
+ .offset = 18
+ },
+ {
+ .type = RTE_ACL_FIELD_TYPE_MASK,
+ .size = 4,
+ .field_index = IP6_DST1,
+ .input_index = IP6_DST1,
+ .offset = 22
+ },
+ {
+ .type = RTE_ACL_FIELD_TYPE_MASK,
+ .size = 4,
+ .field_index = IP6_DST2,
+ .input_index = IP6_DST2,
+ .offset = 26
+ },
+ {
+ .type = RTE_ACL_FIELD_TYPE_MASK,
+ .size = 4,
+ .field_index = IP6_DST3,
+ .input_index = IP6_DST3,
+ .offset = 30
+ },
+ {
+ .type = RTE_ACL_FIELD_TYPE_RANGE,
+ .size = sizeof(uint16_t),
+ .field_index = IP6_SRCP,
+ .input_index = IP6_SRCP,
+ .offset = 34
+ },
+ {
+ .type = RTE_ACL_FIELD_TYPE_RANGE,
+ .size = sizeof(uint16_t),
+ .field_index = IP6_DSTP,
+ .input_index = IP6_SRCP,
+ .offset = 36
+ }
+};
+
+RTE_ACL_RULE_DEF(acl6_rules, RTE_DIM(ip6_defs));
+
+const struct acl6_rules acl6_rules_out[] = {
+ {
+ .data = {.userdata = PROTECT(5), .category_mask = 1, .priority = 1},
+ /* destination IPv6 */
+ .field[5] = {.value.u32 = 0x0, .mask_range.u32 = 32,},
+ .field[6] = {.value.u32 = 0x0, .mask_range.u32 = 32,},
+ .field[7] = {.value.u32 = 0x55555555, .mask_range.u32 = 32,},
+ .field[8] = {.value.u32 = 0x0, .mask_range.u32 = 0,},
+ /* source port */
+ .field[9] = {.value.u16 = 0, .mask_range.u16 = 0xffff,},
+ /* destination port */
+ .field[10] = {.value.u16 = 0, .mask_range.u16 = 0xffff,}
+ },
+ {
+ .data = {.userdata = PROTECT(6), .category_mask = 1, .priority = 1},
+ /* destination IPv6 */
+ .field[5] = {.value.u32 = 0x0, .mask_range.u32 = 32,},
+ .field[6] = {.value.u32 = 0x0, .mask_range.u32 = 32,},
+ .field[7] = {.value.u32 = 0x66666666, .mask_range.u32 = 32,},
+ .field[8] = {.value.u32 = 0x0, .mask_range.u32 = 0,},
+ /* source port */
+ .field[9] = {.value.u16 = 0, .mask_range.u16 = 0xffff,},
+ /* destination port */
+ .field[10] = {.value.u16 = 0, .mask_range.u16 = 0xffff,}
+ },
+ {
+ .data = {.userdata = PROTECT(10), .category_mask = 1, .priority = 1},
+ /* destination IPv6 */
+ .field[5] = {.value.u32 = 0x0, .mask_range.u32 = 32,},
+ .field[6] = {.value.u32 = 0x11111111, .mask_range.u32 = 32,},
+ .field[7] = {.value.u32 = 0x00000000, .mask_range.u32 = 32,},
+ .field[8] = {.value.u32 = 0x0, .mask_range.u32 = 0,},
+ /* source port */
+ .field[9] = {.value.u16 = 0, .mask_range.u16 = 0xffff,},
+ /* destination port */
+ .field[10] = {.value.u16 = 0, .mask_range.u16 = 0xffff,}
+ },
+ {
+ .data = {.userdata = PROTECT(11), .category_mask = 1, .priority = 1},
+ /* destination IPv6 */
+ .field[5] = {.value.u32 = 0x0, .mask_range.u32 = 32,},
+ .field[6] = {.value.u32 = 0x11111111, .mask_range.u32 = 32,},
+ .field[7] = {.value.u32 = 0x11111111, .mask_range.u32 = 32,},
+ .field[8] = {.value.u32 = 0x0, .mask_range.u32 = 0,},
+ /* source port */
+ .field[9] = {.value.u16 = 0, .mask_range.u16 = 0xffff,},
+ /* destination port */
+ .field[10] = {.value.u16 = 0, .mask_range.u16 = 0xffff,}
+ },
+ {
+ .data = {.userdata = PROTECT(25), .category_mask = 1, .priority = 1},
+ /* destination IPv6 */
+ .field[5] = {.value.u32 = 0x0, .mask_range.u32 = 32,},
+ .field[6] = {.value.u32 = 0x0, .mask_range.u32 = 32,},
+ .field[7] = {.value.u32 = 0xaaaaaaaa, .mask_range.u32 = 32,},
+ .field[8] = {.value.u32 = 0x0, .mask_range.u32 = 0,},
+ /* source port */
+ .field[9] = {.value.u16 = 0, .mask_range.u16 = 0xffff,},
+ /* destination port */
+ .field[10] = {.value.u16 = 0, .mask_range.u16 = 0xffff,}
+ },
+ {
+ .data = {.userdata = PROTECT(26), .category_mask = 1, .priority = 1},
+ /* destination IPv6 */
+ .field[5] = {.value.u32 = 0x0, .mask_range.u32 = 32,},
+ .field[6] = {.value.u32 = 0x0, .mask_range.u32 = 32,},
+ .field[7] = {.value.u32 = 0xbbbbbbbb, .mask_range.u32 = 32,},
+ .field[8] = {.value.u32 = 0x0, .mask_range.u32 = 0,},
+ /* source port */
+ .field[9] = {.value.u16 = 0, .mask_range.u16 = 0xffff,},
+ /* destination port */
+ .field[10] = {.value.u16 = 0, .mask_range.u16 = 0xffff,}
+ }
+};
+
+const struct acl6_rules acl6_rules_in[] = {
+ {
+ .data = {.userdata = PROTECT(15), .category_mask = 1, .priority = 1},
+ /* destination IPv6 */
+ .field[5] = {.value.u32 = 0xffff0000, .mask_range.u32 = 32,},
+ .field[6] = {.value.u32 = 0x0, .mask_range.u32 = 32,},
+ .field[7] = {.value.u32 = 0x55555555, .mask_range.u32 = 32,},
+ .field[8] = {.value.u32 = 0x0, .mask_range.u32 = 0,},
+ /* source port */
+ .field[9] = {.value.u16 = 0, .mask_range.u16 = 0xffff,},
+ /* destination port */
+ .field[10] = {.value.u16 = 0, .mask_range.u16 = 0xffff,}
+ },
+ {
+ .data = {.userdata = PROTECT(16), .category_mask = 1, .priority = 1},
+ /* destination IPv6 */
+ .field[5] = {.value.u32 = 0xffff0000, .mask_range.u32 = 32,},
+ .field[6] = {.value.u32 = 0x0, .mask_range.u32 = 32,},
+ .field[7] = {.value.u32 = 0x66666666, .mask_range.u32 = 32,},
+ .field[8] = {.value.u32 = 0x0, .mask_range.u32 = 0,},
+ /* source port */
+ .field[9] = {.value.u16 = 0, .mask_range.u16 = 0xffff,},
+ /* destination port */
+ .field[10] = {.value.u16 = 0, .mask_range.u16 = 0xffff,}
+ },
+ {
+ .data = {.userdata = PROTECT(110), .category_mask = 1, .priority = 1},
+ /* destination IPv6 */
+ .field[5] = {.value.u32 = 0xffff0000, .mask_range.u32 = 32,},
+ .field[6] = {.value.u32 = 0x11111111, .mask_range.u32 = 32,},
+ .field[7] = {.value.u32 = 0x00000000, .mask_range.u32 = 32,},
+ .field[8] = {.value.u32 = 0x0, .mask_range.u32 = 0,},
+ /* source port */
+ .field[9] = {.value.u16 = 0, .mask_range.u16 = 0xffff,},
+ /* destination port */
+ .field[10] = {.value.u16 = 0, .mask_range.u16 = 0xffff,}
+ },
+ {
+ .data = {.userdata = PROTECT(111), .category_mask = 1, .priority = 1},
+ /* destination IPv6 */
+ .field[5] = {.value.u32 = 0xffff0000, .mask_range.u32 = 32,},
+ .field[6] = {.value.u32 = 0x11111111, .mask_range.u32 = 32,},
+ .field[7] = {.value.u32 = 0x11111111, .mask_range.u32 = 32,},
+ .field[8] = {.value.u32 = 0x0, .mask_range.u32 = 0,},
+ /* source port */
+ .field[9] = {.value.u16 = 0, .mask_range.u16 = 0xffff,},
+ /* destination port */
+ .field[10] = {.value.u16 = 0, .mask_range.u16 = 0xffff,}
+ },
+ {
+ .data = {.userdata = PROTECT(125), .category_mask = 1, .priority = 1},
+ /* destination IPv6 */
+ .field[5] = {.value.u32 = 0xffff0000, .mask_range.u32 = 32,},
+ .field[6] = {.value.u32 = 0x0, .mask_range.u32 = 32,},
+ .field[7] = {.value.u32 = 0xaaaaaaaa, .mask_range.u32 = 32,},
+ .field[8] = {.value.u32 = 0x0, .mask_range.u32 = 0,},
+ /* source port */
+ .field[9] = {.value.u16 = 0, .mask_range.u16 = 0xffff,},
+ /* destination port */
+ .field[10] = {.value.u16 = 0, .mask_range.u16 = 0xffff,}
+ },
+ {
+ .data = {.userdata = PROTECT(126), .category_mask = 1, .priority = 1},
+ /* destination IPv6 */
+ .field[5] = {.value.u32 = 0xffff0000, .mask_range.u32 = 32,},
+ .field[6] = {.value.u32 = 0x0, .mask_range.u32 = 32,},
+ .field[7] = {.value.u32 = 0xbbbbbbbb, .mask_range.u32 = 32,},
+ .field[8] = {.value.u32 = 0x0, .mask_range.u32 = 0,},
+ /* source port */
+ .field[9] = {.value.u16 = 0, .mask_range.u16 = 0xffff,},
+ /* destination port */
+ .field[10] = {.value.u16 = 0, .mask_range.u16 = 0xffff,}
+ }
+};
+
+static inline void
+print_one_ip6_rule(const struct acl6_rules *rule, int32_t extra)
+{
+ uint8_t a, b, c, d;
+
+ uint32_t_to_char(rule->field[IP6_SRC0].value.u32,
+ &a, &b, &c, &d);
+ printf("%.2x%.2x:%.2x%.2x", a, b, c, d);
+ uint32_t_to_char(rule->field[IP6_SRC1].value.u32,
+ &a, &b, &c, &d);
+ printf(":%.2x%.2x:%.2x%.2x", a, b, c, d);
+ uint32_t_to_char(rule->field[IP6_SRC2].value.u32,
+ &a, &b, &c, &d);
+ printf(":%.2x%.2x:%.2x%.2x", a, b, c, d);
+ uint32_t_to_char(rule->field[IP6_SRC3].value.u32,
+ &a, &b, &c, &d);
+ printf(":%.2x%.2x:%.2x%.2x/%u ", a, b, c, d,
+ rule->field[IP6_SRC0].mask_range.u32
+ + rule->field[IP6_SRC1].mask_range.u32
+ + rule->field[IP6_SRC2].mask_range.u32
+ + rule->field[IP6_SRC3].mask_range.u32);
+
+ uint32_t_to_char(rule->field[IP6_DST0].value.u32,
+ &a, &b, &c, &d);
+ printf("%.2x%.2x:%.2x%.2x", a, b, c, d);
+ uint32_t_to_char(rule->field[IP6_DST1].value.u32,
+ &a, &b, &c, &d);
+ printf(":%.2x%.2x:%.2x%.2x", a, b, c, d);
+ uint32_t_to_char(rule->field[IP6_DST2].value.u32,
+ &a, &b, &c, &d);
+ printf(":%.2x%.2x:%.2x%.2x", a, b, c, d);
+ uint32_t_to_char(rule->field[IP6_DST3].value.u32,
+ &a, &b, &c, &d);
+ printf(":%.2x%.2x:%.2x%.2x/%u ", a, b, c, d,
+ rule->field[IP6_DST0].mask_range.u32
+ + rule->field[IP6_DST1].mask_range.u32
+ + rule->field[IP6_DST2].mask_range.u32
+ + rule->field[IP6_DST3].mask_range.u32);
+
+ printf("%hu : %hu %hu : %hu 0x%hhx/0x%hhx ",
+ rule->field[IP6_SRCP].value.u16,
+ rule->field[IP6_SRCP].mask_range.u16,
+ rule->field[IP6_DSTP].value.u16,
+ rule->field[IP6_DSTP].mask_range.u16,
+ rule->field[IP6_PROTO].value.u8,
+ rule->field[IP6_PROTO].mask_range.u8);
+ if (extra)
+ printf("0x%x-0x%x-0x%x ",
+ rule->data.category_mask,
+ rule->data.priority,
+ rule->data.userdata);
+}
+
+static inline void
+dump_ip6_rules(const struct acl6_rules *rule, int32_t num, int32_t extra)
+{
+ int32_t i;
+
+ for (i = 0; i < num; i++, rule++) {
+ printf("\t%d:", i + 1);
+ print_one_ip6_rule(rule, extra);
+ printf("\n");
+ }
+}
+
+static struct rte_acl_ctx *
+acl6_init(const char *name, int32_t socketid, const struct acl6_rules *rules,
+ uint32_t rules_nb)
+{
+ char s[PATH_MAX];
+ struct rte_acl_param acl_param;
+ struct rte_acl_config acl_build_param;
+ struct rte_acl_ctx *ctx;
+
+ printf("Creating SP context with %u max rules\n", MAX_ACL_RULE_NUM);
+
+ memset(&acl_param, 0, sizeof(acl_param));
+
+ /* Create ACL contexts */
+ snprintf(s, sizeof(s), "%s_%d", name, socketid);
+
+ printf("IPv4 %s entries [%u]:\n", s, rules_nb);
+ dump_ip6_rules(rules, rules_nb, 1);
+
+ acl_param.name = s;
+ acl_param.socket_id = socketid;
+ acl_param.rule_size = RTE_ACL_RULE_SZ(RTE_DIM(ip6_defs));
+ acl_param.max_rule_num = MAX_ACL_RULE_NUM;
+
+ ctx = rte_acl_create(&acl_param);
+ if (ctx == NULL)
+ rte_exit(EXIT_FAILURE, "Failed to create ACL context\n");
+
+ if (rte_acl_add_rules(ctx, (const struct rte_acl_rule *)rules,
+ rules_nb) < 0)
+ rte_exit(EXIT_FAILURE, "add rules failed\n");
+
+ /* Perform builds */
+ memset(&acl_build_param, 0, sizeof(acl_build_param));
+
+ acl_build_param.num_categories = DEFAULT_MAX_CATEGORIES;
+ acl_build_param.num_fields = RTE_DIM(ip6_defs);
+ memcpy(&acl_build_param.defs, ip6_defs, sizeof(ip6_defs));
+
+ if (rte_acl_build(ctx, &acl_build_param) != 0)
+ rte_exit(EXIT_FAILURE, "Failed to build ACL trie\n");
+
+ rte_acl_dump(ctx);
+
+ return ctx;
+}
+
+void
+sp6_init(struct socket_ctx *ctx, int32_t socket_id, uint32_t ep)
+{
+ const char *name;
+ const struct acl6_rules *rules_out, *rules_in;
+ uint32_t nb_out_rules, nb_in_rules;
+
+ if (ctx == NULL)
+ rte_exit(EXIT_FAILURE, "NULL context.\n");
+
+ if (ctx->sp_ip6_in != NULL)
+ rte_exit(EXIT_FAILURE, "Inbound IPv6 SP DB for socket %u "
+ "already initialized\n", socket_id);
+
+ if (ctx->sp_ip6_out != NULL)
+ rte_exit(EXIT_FAILURE, "Outbound IPv6 SP DB for socket %u "
+ "already initialized\n", socket_id);
+
+ if (ep == 0) {
+ rules_out = acl6_rules_out;
+ nb_out_rules = RTE_DIM(acl6_rules_out);
+ rules_in = acl6_rules_in;
+ nb_in_rules = RTE_DIM(acl6_rules_in);
+ } else if (ep == 1) {
+ rules_out = acl6_rules_in;
+ nb_out_rules = RTE_DIM(acl6_rules_in);
+ rules_in = acl6_rules_out;
+ nb_in_rules = RTE_DIM(acl6_rules_out);
+ } else
+ rte_exit(EXIT_FAILURE, "Invalid EP value %u. "
+ "Only 0 or 1 supported.\n", ep);
+
+ name = "sp_ip6_in";
+ ctx->sp_ip6_in = (struct sp_ctx *)acl6_init(name, socket_id,
+ rules_in, nb_in_rules);
+
+ name = "sp_ip6_out";
+ ctx->sp_ip6_out = (struct sp_ctx *)acl6_init(name, socket_id,
+ rules_out, nb_out_rules);
+}
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