--- /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/ip.h>
+
+#include <rte_acl.h>
+
+#include "ipsec.h"
+
+#define MAX_ACL_RULE_NUM 1000
+
+/*
+ * Rule and trace formats definitions.
+ */
+enum {
+ PROTO_FIELD_IPV4,
+ SRC_FIELD_IPV4,
+ DST_FIELD_IPV4,
+ SRCP_FIELD_IPV4,
+ DSTP_FIELD_IPV4,
+ NUM_FIELDS_IPV4
+};
+
+/*
+ * That effectively defines order of IPV4 classifications:
+ * - PROTO
+ * - SRC IP ADDRESS
+ * - DST IP ADDRESS
+ * - PORTS (SRC and DST)
+ */
+enum {
+ RTE_ACL_IPV4_PROTO,
+ RTE_ACL_IPV4_SRC,
+ RTE_ACL_IPV4_DST,
+ RTE_ACL_IPV4_PORTS,
+ RTE_ACL_IPV4_NUM
+};
+
+struct rte_acl_field_def ipv4_defs[NUM_FIELDS_IPV4] = {
+ {
+ .type = RTE_ACL_FIELD_TYPE_BITMASK,
+ .size = sizeof(uint8_t),
+ .field_index = PROTO_FIELD_IPV4,
+ .input_index = RTE_ACL_IPV4_PROTO,
+ .offset = 0,
+ },
+ {
+ .type = RTE_ACL_FIELD_TYPE_MASK,
+ .size = sizeof(uint32_t),
+ .field_index = SRC_FIELD_IPV4,
+ .input_index = RTE_ACL_IPV4_SRC,
+ .offset = offsetof(struct ip, ip_src) - offsetof(struct ip, ip_p)
+ },
+ {
+ .type = RTE_ACL_FIELD_TYPE_MASK,
+ .size = sizeof(uint32_t),
+ .field_index = DST_FIELD_IPV4,
+ .input_index = RTE_ACL_IPV4_DST,
+ .offset = offsetof(struct ip, ip_dst) - offsetof(struct ip, ip_p)
+ },
+ {
+ .type = RTE_ACL_FIELD_TYPE_RANGE,
+ .size = sizeof(uint16_t),
+ .field_index = SRCP_FIELD_IPV4,
+ .input_index = RTE_ACL_IPV4_PORTS,
+ .offset = sizeof(struct ip) - offsetof(struct ip, ip_p)
+ },
+ {
+ .type = RTE_ACL_FIELD_TYPE_RANGE,
+ .size = sizeof(uint16_t),
+ .field_index = DSTP_FIELD_IPV4,
+ .input_index = RTE_ACL_IPV4_PORTS,
+ .offset = sizeof(struct ip) - offsetof(struct ip, ip_p) +
+ sizeof(uint16_t)
+ },
+};
+
+RTE_ACL_RULE_DEF(acl4_rules, RTE_DIM(ipv4_defs));
+
+const struct acl4_rules acl4_rules_in[] = {
+ {
+ .data = {.userdata = PROTECT(5), .category_mask = 1, .priority = 1},
+ /* destination IPv4 */
+ .field[2] = {.value.u32 = IPv4(192, 168, 105, 0),
+ .mask_range.u32 = 24,},
+ /* source port */
+ .field[3] = {.value.u16 = 0, .mask_range.u16 = 0xffff,},
+ /* destination port */
+ .field[4] = {.value.u16 = 0, .mask_range.u16 = 0xffff,}
+ },
+ {
+ .data = {.userdata = PROTECT(6), .category_mask = 1, .priority = 2},
+ /* destination IPv4 */
+ .field[2] = {.value.u32 = IPv4(192, 168, 106, 0),
+ .mask_range.u32 = 24,},
+ /* source port */
+ .field[3] = {.value.u16 = 0, .mask_range.u16 = 0xffff,},
+ /* destination port */
+ .field[4] = {.value.u16 = 0, .mask_range.u16 = 0xffff,}
+ },
+ {
+ .data = {.userdata = PROTECT(7), .category_mask = 1, .priority = 3},
+ /* destination IPv4 */
+ .field[2] = {.value.u32 = IPv4(192, 168, 107, 0),
+ .mask_range.u32 = 24,},
+ /* source port */
+ .field[3] = {.value.u16 = 0, .mask_range.u16 = 0xffff,},
+ /* destination port */
+ .field[4] = {.value.u16 = 0, .mask_range.u16 = 0xffff,}
+ },
+ {
+ .data = {.userdata = PROTECT(8), .category_mask = 1, .priority = 4},
+ /* destination IPv4 */
+ .field[2] = {.value.u32 = IPv4(192, 168, 108, 0),
+ .mask_range.u32 = 24,},
+ /* source port */
+ .field[3] = {.value.u16 = 0, .mask_range.u16 = 0xffff,},
+ /* destination port */
+ .field[4] = {.value.u16 = 0, .mask_range.u16 = 0xffff,}
+ },
+ {
+ .data = {.userdata = PROTECT(9), .category_mask = 1, .priority = 5},
+ /* destination IPv4 */
+ .field[2] = {.value.u32 = IPv4(192, 168, 200, 0),
+ .mask_range.u32 = 24,},
+ /* source port */
+ .field[3] = {.value.u16 = 0, .mask_range.u16 = 0xffff,},
+ /* destination port */
+ .field[4] = {.value.u16 = 0, .mask_range.u16 = 0xffff,}
+ },
+ {
+ .data = {.userdata = BYPASS, .category_mask = 1, .priority = 6},
+ /* destination IPv4 */
+ .field[2] = {.value.u32 = IPv4(192, 168, 250, 0),
+ .mask_range.u32 = 24,},
+ /* source port */
+ .field[3] = {.value.u16 = 0, .mask_range.u16 = 0xffff,},
+ /* destination port */
+ .field[4] = {.value.u16 = 0, .mask_range.u16 = 0xffff,}
+ }
+};
+
+const struct acl4_rules acl4_rules_out[] = {
+ {
+ .data = {.userdata = PROTECT(5), .category_mask = 1, .priority = 1},
+ /* destination IPv4 */
+ .field[2] = {.value.u32 = IPv4(192, 168, 115, 0),
+ .mask_range.u32 = 24,},
+ /* source port */
+ .field[3] = {.value.u16 = 0, .mask_range.u16 = 0xffff,},
+ /* destination port */
+ .field[4] = {.value.u16 = 0, .mask_range.u16 = 0xffff,}
+ },
+ {
+ .data = {.userdata = PROTECT(6), .category_mask = 1, .priority = 2},
+ /* destination IPv4 */
+ .field[2] = {.value.u32 = IPv4(192, 168, 116, 0),
+ .mask_range.u32 = 24,},
+ /* source port */
+ .field[3] = {.value.u16 = 0, .mask_range.u16 = 0xffff,},
+ /* destination port */
+ .field[4] = {.value.u16 = 0, .mask_range.u16 = 0xffff,}
+ },
+ {
+ .data = {.userdata = PROTECT(7), .category_mask = 1, .priority = 3},
+ /* destination IPv4 */
+ .field[2] = {.value.u32 = IPv4(192, 168, 117, 0),
+ .mask_range.u32 = 24,},
+ /* source port */
+ .field[3] = {.value.u16 = 0, .mask_range.u16 = 0xffff,},
+ /* destination port */
+ .field[4] = {.value.u16 = 0, .mask_range.u16 = 0xffff,}
+ },
+ {
+ .data = {.userdata = PROTECT(8), .category_mask = 1, .priority = 4},
+ /* destination IPv4 */
+ .field[2] = {.value.u32 = IPv4(192, 168, 118, 0),
+ .mask_range.u32 = 24,},
+ /* source port */
+ .field[3] = {.value.u16 = 0, .mask_range.u16 = 0xffff,},
+ /* destination port */
+ .field[4] = {.value.u16 = 0, .mask_range.u16 = 0xffff,}
+ },
+ {
+ .data = {.userdata = PROTECT(9), .category_mask = 1, .priority = 5},
+ /* destination IPv4 */
+ .field[2] = {.value.u32 = IPv4(192, 168, 210, 0),
+ .mask_range.u32 = 24,},
+ /* source port */
+ .field[3] = {.value.u16 = 0, .mask_range.u16 = 0xffff,},
+ /* destination port */
+ .field[4] = {.value.u16 = 0, .mask_range.u16 = 0xffff,}
+ },
+ {
+ .data = {.userdata = BYPASS, .category_mask = 1, .priority = 6},
+ /* destination IPv4 */
+ .field[2] = {.value.u32 = IPv4(192, 168, 240, 0),
+ .mask_range.u32 = 24,},
+ /* source port */
+ .field[3] = {.value.u16 = 0, .mask_range.u16 = 0xffff,},
+ /* destination port */
+ .field[4] = {.value.u16 = 0, .mask_range.u16 = 0xffff,}
+ }
+};
+
+static void
+print_one_ipv4_rule(const struct acl4_rules *rule, int extra)
+{
+ unsigned char a, b, c, d;
+
+ uint32_t_to_char(rule->field[SRC_FIELD_IPV4].value.u32,
+ &a, &b, &c, &d);
+ printf("%hhu.%hhu.%hhu.%hhu/%u ", a, b, c, d,
+ rule->field[SRC_FIELD_IPV4].mask_range.u32);
+ uint32_t_to_char(rule->field[DST_FIELD_IPV4].value.u32,
+ &a, &b, &c, &d);
+ printf("%hhu.%hhu.%hhu.%hhu/%u ", a, b, c, d,
+ rule->field[DST_FIELD_IPV4].mask_range.u32);
+ printf("%hu : %hu %hu : %hu 0x%hhx/0x%hhx ",
+ rule->field[SRCP_FIELD_IPV4].value.u16,
+ rule->field[SRCP_FIELD_IPV4].mask_range.u16,
+ rule->field[DSTP_FIELD_IPV4].value.u16,
+ rule->field[DSTP_FIELD_IPV4].mask_range.u16,
+ rule->field[PROTO_FIELD_IPV4].value.u8,
+ rule->field[PROTO_FIELD_IPV4].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_ipv4_rules(const struct acl4_rules *rule, int num, int extra)
+{
+ int i;
+
+ for (i = 0; i < num; i++, rule++) {
+ printf("\t%d:", i + 1);
+ print_one_ipv4_rule(rule, extra);
+ printf("\n");
+ }
+}
+
+static struct rte_acl_ctx *
+acl4_init(const char *name, int socketid, const struct acl4_rules *rules,
+ unsigned 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_ipv4_rules(rules, rules_nb, 1);
+
+ acl_param.name = s;
+ acl_param.socket_id = socketid;
+ acl_param.rule_size = RTE_ACL_RULE_SZ(RTE_DIM(ipv4_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(ipv4_defs);
+ memcpy(&acl_build_param.defs, ipv4_defs, sizeof(ipv4_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
+sp_init(struct socket_ctx *ctx, int socket_id, unsigned ep)
+{
+ const char *name;
+ const struct acl4_rules *rules_out, *rules_in;
+ unsigned nb_out_rules, nb_in_rules;
+
+ if (ctx == NULL)
+ rte_exit(EXIT_FAILURE, "NULL context.\n");
+
+ if (ctx->sp_ipv4_in != NULL)
+ rte_exit(EXIT_FAILURE, "Inbound SP DB for socket %u already "
+ "initialized\n", socket_id);
+
+ if (ctx->sp_ipv4_out != NULL)
+ rte_exit(EXIT_FAILURE, "Outbound SP DB for socket %u already "
+ "initialized\n", socket_id);
+
+ if (ep == 0) {
+ rules_out = acl4_rules_in;
+ nb_out_rules = RTE_DIM(acl4_rules_in);
+ rules_in = acl4_rules_out;
+ nb_in_rules = RTE_DIM(acl4_rules_out);
+ } else if (ep == 1) {
+ rules_out = acl4_rules_out;
+ nb_out_rules = RTE_DIM(acl4_rules_out);
+ rules_in = acl4_rules_in;
+ nb_in_rules = RTE_DIM(acl4_rules_in);
+ } else
+ rte_exit(EXIT_FAILURE, "Invalid EP value %u. "
+ "Only 0 or 1 supported.\n", ep);
+
+ name = "sp_ipv4_in";
+ ctx->sp_ipv4_in = (struct sp_ctx *)acl4_init(name, socket_id,
+ rules_in, nb_in_rules);
+
+ name = "sp_ipv4_out";
+ ctx->sp_ipv4_out = (struct sp_ctx *)acl4_init(name, socket_id,
+ rules_out, nb_out_rules);
+}
Code Review / deb_dpdk.git / blobdiff