On 5/15/19 9:56 AM, David Ahern wrote:
> You can add a 'cache' hook to ip/iproute.c to delete the cached routes
> and verify that it works. I seem to have misplaced my patch to do it.
found it.
From 7a328753a93321a07a5228fb32ed881d82d7a537 Mon Sep 17 00:00:00 2001
From: David Ahern <dsah...@gmail.com>
Date: Mon, 6 May 2019 08:09:01 -0700
Subject: [PATCH iproute2-next] route: Add cache keyword to iproute_modify
Kernel supports deleting cached routes (e.g., exceptions). Add cache
keyword to iproute_modify to set RTM_F_CLONED in the request.
Signed-off-by: David Ahern <dsah...@gmail.com>
---
ip/iproute.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/ip/iproute.c b/ip/iproute.c
index 2b3dcc5dbd53..d7a812a39047 100644
--- a/ip/iproute.c
+++ b/ip/iproute.c
@@ -74,7 +74,7 @@ static void usage(void)
" ip route { add | del | change | append | replace }
ROUTE\n"
"SELECTOR := [ root PREFIX ] [ match PREFIX ] [ exact PREFIX
]\n"
" [ table TABLE_ID ] [ vrf NAME ] [ proto RTPROTO
]\n"
- " [ type TYPE ] [ scope SCOPE ]\n"
+ " [ type TYPE ] [ scope SCOPE ] [ cache ]\n"
"ROUTE := NODE_SPEC [ INFO_SPEC ]\n"
"NODE_SPEC := [ TYPE ] PREFIX [ tos TOS ]\n"
" [ table TABLE_ID ] [ proto RTPROTO ]\n"
@@ -1444,6 +1444,8 @@ static int iproute_modify(int cmd, unsigned int flags,
int argc, char **argv)
if (fastopen_no_cookie != 1 && fastopen_no_cookie != 0)
invarg("\"fastopen_no_cookie\" value should be
0 or 1\n", *argv);
rta_addattr32(mxrta, sizeof(mxbuf),
RTAX_FASTOPEN_NO_COOKIE, fastopen_no_cookie);
+ } else if (!strcmp(*argv, "cache")) {
+ req.r.rtm_flags |= RTM_F_CLONED;
} else {
int type;
inet_prefix dst;
--
2.11.0
