*: support remove private as

cli

```
$ gobgp n add <neighbor-addr> as <asn> remove-private-as (all|replace)
```

config

```
neighbor:
  config:
    peer-as: <asn>
    neighbor-address: <neighbor-addr>
    remove-private-as: all
```

Signed-off-by: Wataru Ishida <ishida.wataru@lab.ntt.co.jp>

1 files changed, 6 insertions, 1 deletions

diff --git a/api/gobgp.proto b/api/gobgp.proto
index c8197c5e..f9a43f57 100644
--- a/api/gobgp.proto
+++ b/api/gobgp.proto
@@ -575,7 +575,12 @@ message PeerConf {
   uint32 peer_as = 5;
   string peer_group = 6;
   uint32 peer_type = 7;
-  uint32 remove_private_as = 8;
+  enum RemovePrivateAs {
+      NONE = 0;
+      ALL = 1;
+      REPLACE = 2;
+  }
+  RemovePrivateAs remove_private_as = 8;
   bool route_flap_damping = 9;
   uint32 send_community = 10;
   repeated bytes remote_cap = 11;