Adding upstream version 14.2.21.upstream/14.2.21upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 506 insertions, 0 deletions

diff --git a/src/spdk/dpdk/examples/ipsec-secgw/sp4.c b/src/spdk/dpdk/examples/ipsec-secgw/sp4.c
new file mode 100644
index 00000000..8d3d3d8e
--- /dev/null
+++ b/src/spdk/dpdk/examples/ipsec-secgw/sp4.c
@@ -0,0 +1,506 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2016 Intel Corporation
+ */
+
+/*
+ * Security Policies
+ */
+#include <sys/types.h>
+#include <netinet/in.h>
+#include <netinet/ip.h>
+
+#include <rte_acl.h>
+#include <rte_ip.h>
+
+#include "ipsec.h"
+#include "parser.h"
+
+#define MAX_ACL_RULE_NUM	1024
+
+/*
+ * 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 ip4_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(ip4_defs));
+
+struct acl4_rules acl4_rules_out[MAX_ACL_RULE_NUM];
+uint32_t nb_acl4_rules_out;
+
+struct acl4_rules acl4_rules_in[MAX_ACL_RULE_NUM];
+uint32_t nb_acl4_rules_in;
+
+void
+parse_sp4_tokens(char **tokens, uint32_t n_tokens,
+	struct parse_status *status)
+{
+	struct acl4_rules *rule_ipv4 = NULL;
+
+	uint32_t *ri = NULL; /* rule index */
+	uint32_t ti = 0; /* token index */
+
+	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_acl4_rules_in;
+
+		APP_CHECK(*ri <= MAX_ACL_RULE_NUM - 1, status,
+			"too many sp rules, abort insertion\n");
+		if (status->status < 0)
+			return;
+
+		rule_ipv4 = &acl4_rules_in[*ri];
+
+	} else if (strcmp(tokens[1], "out") == 0) {
+		ri = &nb_acl4_rules_out;
+
+		APP_CHECK(*ri <= MAX_ACL_RULE_NUM - 1, status,
+			"too many sp rules, abort insertion\n");
+		if (status->status < 0)
+			return;
+
+		rule_ipv4 = &acl4_rules_out[*ri];
+	} else {
+		APP_CHECK(0, status, "unrecognized input \"%s\", expect"
+			" \"in\" or \"out\"\n", tokens[ti]);
+		return;
+	}
+
+	rule_ipv4->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;
+
+			rule_ipv4->data.userdata =
+				PROTECT(atoi(tokens[ti]));
+
+			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_ipv4->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_ipv4->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_ipv4->data.priority = atoi(tokens[ti]);
+
+			pri_p = 1;
+			continue;
+		}
+
+		if (strcmp(tokens[ti], "src") == 0) {
+			struct in_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_ipv4_addr(tokens[ti], &ip,
+				&depth) == 0, status, "unrecognized "
+				"input \"%s\", expect valid ipv4 addr",
+				tokens[ti]);
+			if (status->status < 0)
+				return;
+
+			rule_ipv4->field[1].value.u32 =
+				rte_bswap32(ip.s_addr);
+			rule_ipv4->field[1].mask_range.u32 =
+				depth;
+
+			src_p = 1;
+			continue;
+		}
+
+		if (strcmp(tokens[ti], "dst") == 0) {
+			struct in_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_ipv4_addr(tokens[ti], &ip,
+				&depth) == 0, status, "unrecognized "
+				"input \"%s\", expect valid ipv4 addr",
+				tokens[ti]);
+			if (status->status < 0)
+				return;
+
+			rule_ipv4->field[2].value.u32 =
+				rte_bswap32(ip.s_addr);
+			rule_ipv4->field[2].mask_range.u32 =
+				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_ipv4->field[0].value.u8 = (uint8_t)low;
+			rule_ipv4->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_ipv4->field[3].value.u16 = port_low;
+			rule_ipv4->field[3].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_ipv4->field[4].value.u16 = port_low;
+			rule_ipv4->field[4].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 void
+print_one_ip4_rule(const struct acl4_rules *rule, int32_t extra)
+{
+	uint8_t 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_ip4_rules(const struct acl4_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_ip4_rule(rule, extra);
+		printf("\n");
+	}
+}
+
+static struct rte_acl_ctx *
+acl4_init(const char *name, int32_t socketid, const struct acl4_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_ip4_rules(rules, rules_nb, 1);
+
+	acl_param.name = s;
+	acl_param.socket_id = socketid;
+	acl_param.rule_size = RTE_ACL_RULE_SZ(RTE_DIM(ip4_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(ip4_defs);
+	memcpy(&acl_build_param.defs, ip4_defs, sizeof(ip4_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
+sp4_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_ip4_in != NULL)
+		rte_exit(EXIT_FAILURE, "Inbound SP DB for socket %u already "
+				"initialized\n", socket_id);
+
+	if (ctx->sp_ip4_out != NULL)
+		rte_exit(EXIT_FAILURE, "Outbound SP DB for socket %u already "
+				"initialized\n", socket_id);
+
+	if (nb_acl4_rules_in > 0) {
+		name = "sp_ip4_in";
+		ctx->sp_ip4_in = (struct sp_ctx *)acl4_init(name,
+			socket_id, acl4_rules_in, nb_acl4_rules_in);
+	} else
+		RTE_LOG(WARNING, IPSEC, "No IPv4 SP Inbound rule "
+			"specified\n");
+
+	if (nb_acl4_rules_out > 0) {
+		name = "sp_ip4_out";
+		ctx->sp_ip4_out = (struct sp_ctx *)acl4_init(name,
+			socket_id, acl4_rules_out, nb_acl4_rules_out);
+	} else
+		RTE_LOG(WARNING, IPSEC, "No IPv4 SP Outbound rule "
+			"specified\n");
+}