From 23b760a774cf12dd18fb68a84d502662ae6eebd8 Mon Sep 17 00:00:00 2001 From: Pablo Neira Ayuso Date: Mon, 5 Dec 2016 22:45:22 +0100 Subject: src: add support to flush sets You can use this new command to remove all existing elements in a set: # nft flush set filter xyz After this command, the set 'xyz' in table 'filter' becomes empty. Signed-off-by: Pablo Neira Ayuso --- src/netlink.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) (limited to 'src/netlink.c') diff --git a/src/netlink.c b/src/netlink.c index f8e600ff..714df4e8 100644 --- a/src/netlink.c +++ b/src/netlink.c @@ -1374,7 +1374,8 @@ static int netlink_del_setelems_batch(struct netlink_ctx *ctx, int err; nls = alloc_nftnl_set(h); - alloc_setelem_cache(expr, nls); + if (expr) + alloc_setelem_cache(expr, nls); netlink_dump_set(nls); err = mnl_nft_setelem_batch_del(nls, 0, ctx->seqnum); @@ -1406,6 +1407,12 @@ static int netlink_del_setelems_compat(struct netlink_ctx *ctx, return err; } +int netlink_flush_setelems(struct netlink_ctx *ctx, const struct handle *h, + const struct location *loc) +{ + return netlink_del_setelems_batch(ctx, h, NULL); +} + static struct expr *netlink_parse_concat_elem(const struct datatype *dtype, struct expr *data) { -- cgit v1.2.3