From 56c8f2f03a8631417dc3b730625c08ffca42ead2 Mon Sep 17 00:00:00 2001
From: Maria Matejka <mq@ucw.cz>
Date: Fri, 1 May 2020 22:26:24 +0200
Subject: Nest: Route generations and explicit tracking route propagion through
 pipes

---
 proto/pipe/config.Y | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

(limited to 'proto/pipe/config.Y')

diff --git a/proto/pipe/config.Y b/proto/pipe/config.Y
index 1202c169..c869de9f 100644
--- a/proto/pipe/config.Y
+++ b/proto/pipe/config.Y
@@ -16,7 +16,7 @@ CF_DEFINES
 
 CF_DECLS
 
-CF_KEYWORDS(PIPE, PEER, TABLE)
+CF_KEYWORDS(PIPE, PEER, TABLE, MAX, GENERATION)
 
 CF_GRAMMAR
 
@@ -25,6 +25,7 @@ proto: pipe_proto '}' { this_channel = NULL; }  ;
 pipe_proto_start: proto_start PIPE
 {
   this_proto = proto_config_new(&proto_pipe, $1);
+  PIPE_CFG->max_generation = 16;
 }
 proto_name
 {
@@ -41,6 +42,10 @@ pipe_proto:
  | pipe_proto proto_item ';'
  | pipe_proto channel_item_ ';'
  | pipe_proto PEER TABLE rtable ';' { PIPE_CFG->peer = $4; }
+ | pipe_proto MAX GENERATION expr ';' {
+    if (($4 < 1) || ($4 > 254)) cf_error("Max generation must be in range 1..254, got %u", $4);
+    PIPE_CFG->max_generation = $4;
+  }
  ;
 
 CF_CODE
-- 
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