doc: fix PCI whitelist typo in prog guide

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

diff --git a/examples/ipsec-secgw/sp4.c b/examples/ipsec-secgw/sp4.c
index 6b05daa..d1dc64b 100644 (file)
--- a/examples/ipsec-secgw/sp4.c
+++ b/examples/ipsec-secgw/sp4.c
@@ -504,3 +504,28 @@ sp4_init(struct socket_ctx *ctx, int32_t socket_id)
                RTE_LOG(WARNING, IPSEC, "No IPv4 SP Outbound rule "
                        "specified\n");
 }
+
+/*
+ * Search though SP rules for given SPI.
+ */
+int
+sp4_spi_present(uint32_t spi, int inbound)
+{
+       uint32_t i, num;
+       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++) {
+               if (acr[i].data.userdata == PROTECT(spi))
+                       return i;
+       }
+
+       return -ENOENT;
+}