fib: allow to use it in set statements

Allow to use fib expression in set statements, eg.

 meta mark set ip saddr . fib daddr check map { 1.2.3.4 . exists : 0x00000001 }

Fixes: 4a75ed32132d ("src: add fib expression")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

3 files changed, 55 insertions, 0 deletions

diff --git a/tests/py/inet/fib.t b/tests/py/inet/fib.t
index f9c03b3a..60b77a4a 100644
--- a/tests/py/inet/fib.t
+++ b/tests/py/inet/fib.t
@@ -17,3 +17,5 @@ fib daddr check missing;ok
 fib daddr oif exists;ok;fib daddr check exists
 
 fib daddr check vmap { missing : drop, exists : accept };ok
+
+meta mark set fib daddr check . ct mark map { exists . 0x00000000 : 0x00000001 };ok
diff --git a/tests/py/inet/fib.t.json b/tests/py/inet/fib.t.json
index c2e9d454..14a6249a 100644
--- a/tests/py/inet/fib.t.json
+++ b/tests/py/inet/fib.t.json
@@ -159,3 +159,48 @@
         }
     }
 ]
+
+# meta mark set fib daddr check . ct mark map { exists . 0x00000000 : 0x00000001 }
+[
+    {
+        "mangle": {
+            "key": {
+                "meta": {
+                    "key": "mark"
+                }
+            },
+            "value": {
+                "map": {
+                    "data": {
+                        "set": [
+                            [
+                                {
+                                    "concat": [
+                                        true,
+                                        0
+                                    ]
+                                },
+                                1
+                            ]
+                        ]
+                    },
+                    "key": {
+                        "concat": [
+                            {
+                                "fib": {
+                                    "flags": "daddr",
+                                    "result": "check"
+                                }
+                            },
+                            {
+                                "ct": {
+                                    "key": "mark"
+                                }
+                            }
+                        ]
+                    }
+                }
+            }
+        }
+    }
+]
diff --git a/tests/py/inet/fib.t.payload b/tests/py/inet/fib.t.payload
index e09a260c..02d92b57 100644
--- a/tests/py/inet/fib.t.payload
+++ b/tests/py/inet/fib.t.payload
@@ -36,3 +36,11 @@ ip test-ip prerouting
 ip test-ip prerouting
   [ fib daddr oif present => reg 1 ]
   [ lookup reg 1 set __map%d dreg 0 ]
+
+# meta mark set fib daddr check . ct mark map { exists . 0x00000000 : 0x00000001 }
+        element 00000001 00000000  : 00000001 0 [end]
+ip test-ip prerouting
+  [ fib daddr oif present => reg 1 ]
+  [ ct load mark => reg 9 ]
+  [ lookup reg 1 set __map%d dreg 1 ]
+  [ meta set mark with reg 1 ]