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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-21 11:54:28 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-21 11:54:28 +0000
commite6918187568dbd01842d8d1d2c808ce16a894239 (patch)
tree64f88b554b444a49f656b6c656111a145cbbaa28 /src/spdk/dpdk/examples/ipsec-secgw/sp6.c
parentInitial commit. (diff)
downloadceph-e6918187568dbd01842d8d1d2c808ce16a894239.tar.xz
ceph-e6918187568dbd01842d8d1d2c808ce16a894239.zip
Adding upstream version 18.2.2.upstream/18.2.2
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/spdk/dpdk/examples/ipsec-secgw/sp6.c')
-rw-r--r--src/spdk/dpdk/examples/ipsec-secgw/sp6.c778
1 files changed, 778 insertions, 0 deletions
diff --git a/src/spdk/dpdk/examples/ipsec-secgw/sp6.c b/src/spdk/dpdk/examples/ipsec-secgw/sp6.c
new file mode 100644
index 000000000..328e08528
--- /dev/null
+++ b/src/spdk/dpdk/examples/ipsec-secgw/sp6.c
@@ -0,0 +1,778 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2016 Intel Corporation
+ */
+
+/*
+ * 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"
+#include "parser.h"
+
+#define INIT_ACL_RULE_NUM 128
+
+#define IPV6_FROM_SP(acr, fidx_low, fidx_high) \
+ (((uint64_t)(acr).field[(fidx_high)].value.u32 << 32) | \
+ (acr).field[(fidx_low)].value.u32)
+
+#define IPV6_DST_FROM_SP(addr, acr) do {\
+ (addr).ip.ip6.ip6[0] = rte_cpu_to_be_64(IPV6_FROM_SP((acr), \
+ IP6_DST1, IP6_DST0));\
+ (addr).ip.ip6.ip6[1] = rte_cpu_to_be_64(IPV6_FROM_SP((acr), \
+ IP6_DST3, IP6_DST2));\
+ } while (0)
+
+#define IPV6_SRC_FROM_SP(addr, acr) do {\
+ (addr).ip.ip6.ip6[0] = rte_cpu_to_be_64(IPV6_FROM_SP((acr), \
+ IP6_SRC1, IP6_SRC0));\
+ (addr).ip.ip6.ip6[1] = rte_cpu_to_be_64(IPV6_FROM_SP((acr), \
+ IP6_SRC3, IP6_SRC2));\
+ } while (0)
+
+#define IPV6_DST_MASK_FROM_SP(mask, acr) \
+ ((mask) = (acr).field[IP6_DST0].mask_range.u32 + \
+ (acr).field[IP6_DST1].mask_range.u32 + \
+ (acr).field[IP6_DST2].mask_range.u32 + \
+ (acr).field[IP6_DST3].mask_range.u32)
+
+#define IPV6_SRC_MASK_FROM_SP(mask, acr) \
+ ((mask) = (acr).field[IP6_SRC0].mask_range.u32 + \
+ (acr).field[IP6_SRC1].mask_range.u32 + \
+ (acr).field[IP6_SRC2].mask_range.u32 + \
+ (acr).field[IP6_SRC3].mask_range.u32)
+
+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
+
+static 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));
+
+static struct acl6_rules *acl6_rules_out;
+static uint32_t nb_acl6_rules_out;
+static uint32_t sp_out_sz;
+
+static struct acl6_rules *acl6_rules_in;
+static uint32_t nb_acl6_rules_in;
+static uint32_t sp_in_sz;
+
+static int
+extend_sp_arr(struct acl6_rules **sp_tbl, uint32_t cur_cnt, uint32_t *cur_sz)
+{
+ if (*sp_tbl == NULL) {
+ *sp_tbl = calloc(INIT_ACL_RULE_NUM, sizeof(struct acl6_rules));
+ if (*sp_tbl == NULL)
+ return -1;
+ *cur_sz = INIT_ACL_RULE_NUM;
+ return 0;
+ }
+
+ if (cur_cnt >= *cur_sz) {
+ *sp_tbl = realloc(*sp_tbl,
+ *cur_sz * sizeof(struct acl6_rules) * 2);
+ if (*sp_tbl == NULL)
+ return -1;
+ /* clean reallocated extra space */
+ memset(&(*sp_tbl)[*cur_sz], 0,
+ *cur_sz * sizeof(struct acl6_rules));
+ *cur_sz *= 2;
+ }
+
+ return 0;
+}
+
+void
+parse_sp6_tokens(char **tokens, uint32_t n_tokens,
+ struct parse_status *status)
+{
+ struct acl6_rules *rule_ipv6 = NULL;
+
+ uint32_t *ri = NULL; /* rule index */
+ uint32_t ti = 0; /* token index */
+ uint32_t tv;
+
+ uint32_t esp_p = 0;
+ uint32_t protect_p = 0;
+ uint32_t bypass_p = 0;
+ uint32_t discard_p = 0;
+ uint32_t pri_p = 0;
+ uint32_t src_p = 0;
+ uint32_t dst_p = 0;
+ uint32_t proto_p = 0;
+ uint32_t sport_p = 0;
+ uint32_t dport_p = 0;
+
+ if (strcmp(tokens[1], "in") == 0) {
+ ri = &nb_acl6_rules_in;
+
+ if (extend_sp_arr(&acl6_rules_in, nb_acl6_rules_in,
+ &sp_in_sz) < 0)
+ return;
+
+ rule_ipv6 = &acl6_rules_in[*ri];
+
+ } else if (strcmp(tokens[1], "out") == 0) {
+ ri = &nb_acl6_rules_out;
+
+ if (extend_sp_arr(&acl6_rules_out, nb_acl6_rules_out,
+ &sp_out_sz) < 0)
+ return;
+
+ rule_ipv6 = &acl6_rules_out[*ri];
+
+ } else {
+ APP_CHECK(0, status, "unrecognized input \"%s\", expect"
+ " \"in\" or \"out\"\n", tokens[ti]);
+ return;
+ }
+
+ rule_ipv6->data.category_mask = 1;
+
+
+ for (ti = 2; ti < n_tokens; ti++) {
+ if (strcmp(tokens[ti], "esp") == 0) {
+ /* currently do nothing */
+ APP_CHECK_PRESENCE(esp_p, tokens[ti], status);
+ if (status->status < 0)
+ return;
+ esp_p = 1;
+ continue;
+ }
+
+ if (strcmp(tokens[ti], "protect") == 0) {
+ APP_CHECK_PRESENCE(protect_p, tokens[ti], status);
+ if (status->status < 0)
+ return;
+ APP_CHECK(bypass_p == 0, status, "conflict item "
+ "between \"%s\" and \"%s\"", tokens[ti],
+ "bypass");
+ if (status->status < 0)
+ return;
+ APP_CHECK(discard_p == 0, status, "conflict item "
+ "between \"%s\" and \"%s\"", tokens[ti],
+ "discard");
+ if (status->status < 0)
+ return;
+ INCREMENT_TOKEN_INDEX(ti, n_tokens, status);
+ if (status->status < 0)
+ return;
+ APP_CHECK_TOKEN_IS_NUM(tokens, ti, status);
+ if (status->status < 0)
+ return;
+
+ tv = atoi(tokens[ti]);
+ APP_CHECK(tv != DISCARD && tv != BYPASS, status,
+ "invalid SPI: %s", tokens[ti]);
+ if (status->status < 0)
+ return;
+ rule_ipv6->data.userdata = tv;
+
+ protect_p = 1;
+ continue;
+ }
+
+ if (strcmp(tokens[ti], "bypass") == 0) {
+ APP_CHECK_PRESENCE(bypass_p, tokens[ti], status);
+ if (status->status < 0)
+ return;
+ APP_CHECK(protect_p == 0, status, "conflict item "
+ "between \"%s\" and \"%s\"", tokens[ti],
+ "protect");
+ if (status->status < 0)
+ return;
+ APP_CHECK(discard_p == 0, status, "conflict item "
+ "between \"%s\" and \"%s\"", tokens[ti],
+ "discard");
+ if (status->status < 0)
+ return;
+
+ rule_ipv6->data.userdata = BYPASS;
+
+ bypass_p = 1;
+ continue;
+ }
+
+ if (strcmp(tokens[ti], "discard") == 0) {
+ APP_CHECK_PRESENCE(discard_p, tokens[ti], status);
+ if (status->status < 0)
+ return;
+ APP_CHECK(protect_p == 0, status, "conflict item "
+ "between \"%s\" and \"%s\"", tokens[ti],
+ "protect");
+ if (status->status < 0)
+ return;
+ APP_CHECK(bypass_p == 0, status, "conflict item "
+ "between \"%s\" and \"%s\"", tokens[ti],
+ "discard");
+ if (status->status < 0)
+ return;
+
+ rule_ipv6->data.userdata = DISCARD;
+
+ discard_p = 1;
+ continue;
+ }
+
+ if (strcmp(tokens[ti], "pri") == 0) {
+ APP_CHECK_PRESENCE(pri_p, tokens[ti], status);
+ if (status->status < 0)
+ return;
+ INCREMENT_TOKEN_INDEX(ti, n_tokens, status);
+ if (status->status < 0)
+ return;
+ APP_CHECK_TOKEN_IS_NUM(tokens, ti, status);
+ if (status->status < 0)
+ return;
+
+ rule_ipv6->data.priority = atoi(tokens[ti]);
+
+ pri_p = 1;
+ continue;
+ }
+
+ if (strcmp(tokens[ti], "src") == 0) {
+ struct in6_addr ip;
+ uint32_t depth;
+
+ APP_CHECK_PRESENCE(src_p, tokens[ti], status);
+ if (status->status < 0)
+ return;
+ INCREMENT_TOKEN_INDEX(ti, n_tokens, status);
+ if (status->status < 0)
+ return;
+
+ APP_CHECK(parse_ipv6_addr(tokens[ti], &ip,
+ &depth) == 0, status, "unrecognized "
+ "input \"%s\", expect valid ipv6 "
+ "addr", tokens[ti]);
+ if (status->status < 0)
+ return;
+
+ rule_ipv6->field[1].value.u32 =
+ (uint32_t)ip.s6_addr[0] << 24 |
+ (uint32_t)ip.s6_addr[1] << 16 |
+ (uint32_t)ip.s6_addr[2] << 8 |
+ (uint32_t)ip.s6_addr[3];
+ rule_ipv6->field[1].mask_range.u32 =
+ (depth > 32) ? 32 : depth;
+ depth = (depth > 32) ? (depth - 32) : 0;
+ rule_ipv6->field[2].value.u32 =
+ (uint32_t)ip.s6_addr[4] << 24 |
+ (uint32_t)ip.s6_addr[5] << 16 |
+ (uint32_t)ip.s6_addr[6] << 8 |
+ (uint32_t)ip.s6_addr[7];
+ rule_ipv6->field[2].mask_range.u32 =
+ (depth > 32) ? 32 : depth;
+ depth = (depth > 32) ? (depth - 32) : 0;
+ rule_ipv6->field[3].value.u32 =
+ (uint32_t)ip.s6_addr[8] << 24 |
+ (uint32_t)ip.s6_addr[9] << 16 |
+ (uint32_t)ip.s6_addr[10] << 8 |
+ (uint32_t)ip.s6_addr[11];
+ rule_ipv6->field[3].mask_range.u32 =
+ (depth > 32) ? 32 : depth;
+ depth = (depth > 32) ? (depth - 32) : 0;
+ rule_ipv6->field[4].value.u32 =
+ (uint32_t)ip.s6_addr[12] << 24 |
+ (uint32_t)ip.s6_addr[13] << 16 |
+ (uint32_t)ip.s6_addr[14] << 8 |
+ (uint32_t)ip.s6_addr[15];
+ rule_ipv6->field[4].mask_range.u32 =
+ (depth > 32) ? 32 : depth;
+
+ src_p = 1;
+ continue;
+ }
+
+ if (strcmp(tokens[ti], "dst") == 0) {
+ struct in6_addr ip;
+ uint32_t depth;
+
+ APP_CHECK_PRESENCE(dst_p, tokens[ti], status);
+ if (status->status < 0)
+ return;
+ INCREMENT_TOKEN_INDEX(ti, n_tokens, status);
+ if (status->status < 0)
+ return;
+
+ APP_CHECK(parse_ipv6_addr(tokens[ti], &ip,
+ &depth) == 0, status, "unrecognized "
+ "input \"%s\", expect valid ipv6 "
+ "addr", tokens[ti]);
+ if (status->status < 0)
+ return;
+
+ rule_ipv6->field[5].value.u32 =
+ (uint32_t)ip.s6_addr[0] << 24 |
+ (uint32_t)ip.s6_addr[1] << 16 |
+ (uint32_t)ip.s6_addr[2] << 8 |
+ (uint32_t)ip.s6_addr[3];
+ rule_ipv6->field[5].mask_range.u32 =
+ (depth > 32) ? 32 : depth;
+ depth = (depth > 32) ? (depth - 32) : 0;
+ rule_ipv6->field[6].value.u32 =
+ (uint32_t)ip.s6_addr[4] << 24 |
+ (uint32_t)ip.s6_addr[5] << 16 |
+ (uint32_t)ip.s6_addr[6] << 8 |
+ (uint32_t)ip.s6_addr[7];
+ rule_ipv6->field[6].mask_range.u32 =
+ (depth > 32) ? 32 : depth;
+ depth = (depth > 32) ? (depth - 32) : 0;
+ rule_ipv6->field[7].value.u32 =
+ (uint32_t)ip.s6_addr[8] << 24 |
+ (uint32_t)ip.s6_addr[9] << 16 |
+ (uint32_t)ip.s6_addr[10] << 8 |
+ (uint32_t)ip.s6_addr[11];
+ rule_ipv6->field[7].mask_range.u32 =
+ (depth > 32) ? 32 : depth;
+ depth = (depth > 32) ? (depth - 32) : 0;
+ rule_ipv6->field[8].value.u32 =
+ (uint32_t)ip.s6_addr[12] << 24 |
+ (uint32_t)ip.s6_addr[13] << 16 |
+ (uint32_t)ip.s6_addr[14] << 8 |
+ (uint32_t)ip.s6_addr[15];
+ rule_ipv6->field[8].mask_range.u32 =
+ (depth > 32) ? 32 : depth;
+
+ dst_p = 1;
+ continue;
+ }
+
+ if (strcmp(tokens[ti], "proto") == 0) {
+ uint16_t low, high;
+
+ APP_CHECK_PRESENCE(proto_p, tokens[ti], status);
+ if (status->status < 0)
+ return;
+ INCREMENT_TOKEN_INDEX(ti, n_tokens, status);
+ if (status->status < 0)
+ return;
+
+ APP_CHECK(parse_range(tokens[ti], &low, &high)
+ == 0, status, "unrecognized input \"%s\""
+ ", expect \"from:to\"", tokens[ti]);
+ if (status->status < 0)
+ return;
+ APP_CHECK(low <= 0xff, status, "proto low "
+ "over-limit");
+ if (status->status < 0)
+ return;
+ APP_CHECK(high <= 0xff, status, "proto high "
+ "over-limit");
+ if (status->status < 0)
+ return;
+
+ rule_ipv6->field[0].value.u8 = (uint8_t)low;
+ rule_ipv6->field[0].mask_range.u8 = (uint8_t)high;
+
+ proto_p = 1;
+ continue;
+ }
+
+ if (strcmp(tokens[ti], "sport") == 0) {
+ uint16_t port_low, port_high;
+
+ APP_CHECK_PRESENCE(sport_p, tokens[ti], status);
+ if (status->status < 0)
+ return;
+ INCREMENT_TOKEN_INDEX(ti, n_tokens, status);
+ if (status->status < 0)
+ return;
+
+ APP_CHECK(parse_range(tokens[ti], &port_low,
+ &port_high) == 0, status, "unrecognized "
+ "input \"%s\", expect \"port_from:"
+ "port_to\"", tokens[ti]);
+ if (status->status < 0)
+ return;
+
+ rule_ipv6->field[9].value.u16 = port_low;
+ rule_ipv6->field[9].mask_range.u16 = port_high;
+
+ sport_p = 1;
+ continue;
+ }
+
+ if (strcmp(tokens[ti], "dport") == 0) {
+ uint16_t port_low, port_high;
+
+ APP_CHECK_PRESENCE(dport_p, tokens[ti], status);
+ if (status->status < 0)
+ return;
+ INCREMENT_TOKEN_INDEX(ti, n_tokens, status);
+ if (status->status < 0)
+ return;
+
+ APP_CHECK(parse_range(tokens[ti], &port_low,
+ &port_high) == 0, status, "unrecognized "
+ "input \"%s\", expect \"port_from:"
+ "port_to\"", tokens[ti]);
+ if (status->status < 0)
+ return;
+
+ rule_ipv6->field[10].value.u16 = port_low;
+ rule_ipv6->field[10].mask_range.u16 = port_high;
+
+ dport_p = 1;
+ continue;
+ }
+
+ /* unrecognizeable input */
+ APP_CHECK(0, status, "unrecognized input \"%s\"",
+ tokens[ti]);
+ return;
+ }
+
+ /* check if argument(s) are missing */
+ APP_CHECK(esp_p == 1, status, "missing argument \"esp\"");
+ if (status->status < 0)
+ return;
+
+ APP_CHECK(protect_p | bypass_p | discard_p, status, "missing "
+ "argument \"protect\", \"bypass\", or \"discard\"");
+ if (status->status < 0)
+ return;
+
+ *ri = *ri + 1;
+}
+
+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 rules\n", rules_nb);
+
+ 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 = rules_nb;
+
+ 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;
+}
+
+/*
+ * check that for each rule it's SPI has a correspondent entry in SAD
+ */
+static int
+check_spi_value(struct sa_ctx *sa_ctx, int inbound)
+{
+ uint32_t i, num, spi;
+ int32_t spi_idx;
+ struct acl6_rules *acr;
+
+ if (inbound != 0) {
+ acr = acl6_rules_in;
+ num = nb_acl6_rules_in;
+ } else {
+ acr = acl6_rules_out;
+ num = nb_acl6_rules_out;
+ }
+
+ for (i = 0; i != num; i++) {
+ spi = acr[i].data.userdata;
+ if (spi != DISCARD && spi != BYPASS) {
+ spi_idx = sa_spi_present(sa_ctx, spi, inbound);
+ if (spi_idx < 0) {
+ RTE_LOG(ERR, IPSEC,
+ "SPI %u is not present in SAD\n",
+ spi);
+ return -ENOENT;
+ }
+ /* Update userdata with spi index */
+ acr[i].data.userdata = spi_idx + 1;
+ }
+ }
+
+ return 0;
+}
+
+void
+sp6_init(struct socket_ctx *ctx, int32_t socket_id)
+{
+ const char *name;
+
+ 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 (check_spi_value(ctx->sa_in, 1) < 0)
+ rte_exit(EXIT_FAILURE,
+ "Inbound IPv6 SP DB has unmatched in SAD SPIs\n");
+
+ if (check_spi_value(ctx->sa_out, 0) < 0)
+ rte_exit(EXIT_FAILURE,
+ "Outbound IPv6 SP DB has unmatched in SAD SPIs\n");
+
+ if (nb_acl6_rules_in > 0) {
+ name = "sp_ip6_in";
+ ctx->sp_ip6_in = (struct sp_ctx *)acl6_init(name,
+ socket_id, acl6_rules_in, nb_acl6_rules_in);
+ } else
+ RTE_LOG(WARNING, IPSEC, "No IPv6 SP Inbound rule "
+ "specified\n");
+
+ if (nb_acl6_rules_out > 0) {
+ name = "sp_ip6_out";
+ ctx->sp_ip6_out = (struct sp_ctx *)acl6_init(name,
+ socket_id, acl6_rules_out, nb_acl6_rules_out);
+ } else
+ RTE_LOG(WARNING, IPSEC, "No IPv6 SP Outbound rule "
+ "specified\n");
+}
+
+static int
+sp_cmp(const void *p, const void *q)
+{
+ uint32_t spi1 = ((const struct acl6_rules *)p)->data.userdata;
+ uint32_t spi2 = ((const struct acl6_rules *)q)->data.userdata;
+
+ return (int)(spi1 - spi2);
+}
+
+/*
+ * Search though SP rules for given SPI.
+ */
+int
+sp6_spi_present(uint32_t spi, int inbound, struct ip_addr ip_addr[2],
+ uint32_t mask[2])
+{
+ uint32_t num;
+ struct acl6_rules *rule;
+ const struct acl6_rules *acr;
+ struct acl6_rules tmpl;
+
+ if (inbound != 0) {
+ acr = acl6_rules_in;
+ num = nb_acl6_rules_in;
+ } else {
+ acr = acl6_rules_out;
+ num = nb_acl6_rules_out;
+ }
+
+ tmpl.data.userdata = spi;
+
+ rule = bsearch(&tmpl, acr, num, sizeof(struct acl6_rules), sp_cmp);
+ if (rule != NULL) {
+ if (NULL != ip_addr && NULL != mask) {
+ IPV6_SRC_FROM_SP(ip_addr[0], *rule);
+ IPV6_DST_FROM_SP(ip_addr[1], *rule);
+ IPV6_SRC_MASK_FROM_SP(mask[0], *rule);
+ IPV6_DST_MASK_FROM_SP(mask[1], *rule);
+ }
+ return RTE_PTR_DIFF(rule, acr) / sizeof(struct acl6_rules);
+ }
+
+ return -ENOENT;
+}
+
+void
+sp6_sort_arr(void)
+{
+ qsort(acl6_rules_in, nb_acl6_rules_in, sizeof(struct acl6_rules),
+ sp_cmp);
+ qsort(acl6_rules_out, nb_acl6_rules_out, sizeof(struct acl6_rules),
+ sp_cmp);
+}