New upstream version 18.11.2

[deb_dpdk.git] / examples / ipsec-secgw / sp4.c

diff --git a/examples/ipsec-secgw/sp4.c b/examples/ipsec-secgw/sp4.c
index 6b05daa..99362a6 100644 (file)
--- a/examples/ipsec-secgw/sp4.c
+++ b/examples/ipsec-secgw/sp4.c
@@ -99,6 +99,7 @@ parse_sp4_tokens(char **tokens, uint32_t n_tokens,
 
        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;
@@ -169,8 +170,12 @@ parse_sp4_tokens(char **tokens, uint32_t n_tokens,
                        if (status->status < 0)
                                return;
 
-                       rule_ipv4->data.userdata =
-                               PROTECT(atoi(tokens[ti]));
+                       tv = atoi(tokens[ti]);
+                       APP_CHECK(tv != DISCARD && tv != BYPASS, status,
+                               "invalid SPI: %s", tokens[ti]);
+                       if (status->status < 0)
+                               return;
+                       rule_ipv4->data.userdata = tv;
 
                        protect_p = 1;
                        continue;
@@ -472,6 +477,36 @@ acl4_init(const char *name, int32_t socketid, const struct acl4_rules *rules,
        return ctx;
 }
 
+/*
+ * check that for each rule it's SPI has a correspondent entry in SAD
+ */
+static int
+check_spi_value(int inbound)
+{
+       uint32_t i, num, spi;
+       const struct acl4_rules *acr;
+
+       if (inbound != 0) {
+               acr = acl4_rules_in;
+               num = nb_acl4_rules_in;
+       } else {
+               acr = acl4_rules_out;
+               num = nb_acl4_rules_out;
+       }
+
+       for (i = 0; i != num; i++) {
+               spi = acr[i].data.userdata;
+               if (spi != DISCARD && spi != BYPASS &&
+                               sa_spi_present(spi, inbound) < 0) {
+                       RTE_LOG(ERR, IPSEC, "SPI %u is not present in SAD\n",
+                               spi);
+                       return -ENOENT;
+               }
+       }
+
+       return 0;
+}
+
 void
 sp4_init(struct socket_ctx *ctx, int32_t socket_id)
 {
@@ -488,6 +523,14 @@ sp4_init(struct socket_ctx *ctx, int32_t socket_id)
                rte_exit(EXIT_FAILURE, "Outbound SP DB for socket %u already "
                                "initialized\n", socket_id);
 
+       if (check_spi_value(1) < 0)
+               rte_exit(EXIT_FAILURE,
+                       "Inbound IPv4 SP DB has unmatched in SAD SPIs\n");
+
+       if (check_spi_value(0) < 0)
+               rte_exit(EXIT_FAILURE,
+                       "Outbound IPv4 SP DB has unmatched in SAD SPIs\n");
+
        if (nb_acl4_rules_in > 0) {
                name = "sp_ip4_in";
                ctx->sp_ip4_in = (struct sp_ctx *)acl4_init(name,