Merge pull request #5778 from ton31337/fix/add_doc_for_ebgp_connected_route_check

[mirror_frr.git] / lib / pbr.h

diff --git a/lib/pbr.h b/lib/pbr.h
index 1704d8d37ede6e3ace8375ff87cb22e410c77aae..cf6ac41d326c7a091ef520741f5963c824412179 100644 (file)
--- a/lib/pbr.h
+++ b/lib/pbr.h
@@ -24,6 +24,10 @@
 #include "stream.h"
 #include "prefix.h"
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 #define PBR_STR "Policy Based Routing\n"
 
 /*
@@ -86,10 +90,44 @@ struct pbr_rule {
        uint32_t unique;
        struct pbr_filter filter;
        struct pbr_action action;
-       uint32_t ifindex;
+       ifindex_t ifindex;
 };
 
+/* TCP flags value shared
+ * those are values of byte 13 of TCP header
+ * as mentioned in rfc793
+ */
+#define TCP_HEADER_FIN (0x01)
+#define TCP_HEADER_SYN (0x02)
+#define TCP_HEADER_RST (0x04)
+#define TCP_HEADER_PSH (0x08)
+#define TCP_HEADER_ACK (0x10)
+#define TCP_HEADER_URG (0x20)
+#define TCP_HEADER_ALL_FLAGS (TCP_HEADER_FIN | TCP_HEADER_SYN \
+                             | TCP_HEADER_RST | TCP_HEADER_PSH \
+                             | TCP_HEADER_ACK | TCP_HEADER_URG)
+
+/* Pbr IPTable defines
+ * those are common flags shared between BGP and Zebra
+ */
+#define MATCH_IP_SRC_SET               (1 << 0)
+#define MATCH_IP_DST_SET               (1 << 1)
+#define MATCH_PORT_SRC_SET             (1 << 2)
+#define MATCH_PORT_DST_SET             (1 << 3)
+#define MATCH_PORT_SRC_RANGE_SET       (1 << 4)
+#define MATCH_PORT_DST_RANGE_SET       (1 << 5)
+#define MATCH_DSCP_SET                 (1 << 6)
+#define MATCH_DSCP_INVERSE_SET         (1 << 7)
+#define MATCH_PKT_LEN_INVERSE_SET      (1 << 8)
+#define MATCH_FRAGMENT_INVERSE_SET     (1 << 9)
+#define MATCH_ICMP_SET                 (1 << 10)
+#define MATCH_PROTOCOL_SET             (1 << 11)
+
 extern int zapi_pbr_rule_encode(uint8_t cmd, struct stream *s,
                                struct pbr_rule *zrule);
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif /* _PBR_H */