src: generation ID is 32-bit long

Update mnl_genid_get() to return 32-bit long generation ID. Add
nft_genid_u16() which allows us to catch ruleset updates from the
netlink dump path via 16-bit long nfnetlink resource ID field.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/include/nftables.h b/include/nftables.h
index af2c1ea1..b7c78572 100644
--- a/include/nftables.h
+++ b/include/nftables.h
@@ -78,7 +78,7 @@ static inline bool nft_output_numeric_symbol(const struct output_ctx *octx)
 }
 
 struct nft_cache {
-	uint16_t		genid;
+	uint32_t		genid;
 	struct list_head	list;
 	uint32_t		seqnum;
 	uint32_t		cmd;