[PATCH] ip-nexthop: support flush by id
From: Chunmei Xu <hidden>
Date: 2021-03-31 02:23:20
Subsystem:
the rest · Maintainer:
Linus Torvalds
add id to struct filter to record the 'id', filter id only when id is set, otherwise flush all. Signed-off-by: Chunmei Xu <redacted> --- ip/ipnexthop.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/ip/ipnexthop.c b/ip/ipnexthop.c
index 22c66491..fd759140 100644
--- a/ip/ipnexthop.c
+++ b/ip/ipnexthop.c@@ -21,6 +21,7 @@ static struct { unsigned int master; unsigned int proto; unsigned int fdb; + unsigned int id; } filter; enum {
@@ -124,6 +125,9 @@ static int flush_nexthop(struct nlmsghdr *nlh, void *arg) if (tb[NHA_ID]) id = rta_getattr_u32(tb[NHA_ID]); + if (filter.id && filter.id != id) + return 0; + if (id && !delete_nexthop(id)) filter.flushed++;
@@ -491,7 +495,10 @@ static int ipnh_list_flush(int argc, char **argv, int action) NEXT_ARG(); if (get_unsigned(&id, *argv, 0)) invarg("invalid id value", *argv); - return ipnh_get_id(id); + if (action == IPNH_FLUSH) + filter.id = id; + else + return ipnh_get_id(id); } else if (!matches(*argv, "protocol")) { __u32 proto;
--
2.27.0