src: remove unused batch support checks

Follow up after cc8c5fd02448 ("netlink: remove non-batching routine").

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

1 files changed, 0 insertions, 64 deletions

diff --git a/src/mnl.c b/src/mnl.c
index 3d48bc1b..0bd7e552 100644
--- a/src/mnl.c
+++ b/src/mnl.c
@@ -1196,67 +1196,3 @@ int mnl_nft_event_listener(struct mnl_socket *nf_sock, unsigned int debug_mask,
 	}
 	return ret;
 }
-
-static void nft_mnl_batch_put(char *buf, uint16_t type, uint32_t seqnum)
-{
-	struct nlmsghdr *nlh;
-	struct nfgenmsg *nfg;
-
-	nlh = mnl_nlmsg_put_header(buf);
-	nlh->nlmsg_type = type;
-	nlh->nlmsg_flags = NLM_F_REQUEST;
-	nlh->nlmsg_seq = seqnum;
-
-	nfg = mnl_nlmsg_put_extra_header(nlh, sizeof(*nfg));
-	nfg->nfgen_family = AF_INET;
-	nfg->version = NFNETLINK_V0;
-	nfg->res_id = NFNL_SUBSYS_NFTABLES;
-}
-
-bool mnl_batch_supported(struct mnl_socket *nf_sock, uint32_t *seqnum)
-{
-	struct mnl_nlmsg_batch *b;
-	char buf[MNL_SOCKET_BUFFER_SIZE];
-	int ret;
-
-	b = mnl_nlmsg_batch_start(buf, sizeof(buf));
-
-	nft_mnl_batch_put(mnl_nlmsg_batch_current(b), NFNL_MSG_BATCH_BEGIN,
-			  mnl_seqnum_alloc(seqnum));
-	mnl_nlmsg_batch_next(b);
-
-	nftnl_nlmsg_build_hdr(mnl_nlmsg_batch_current(b), NFT_MSG_NEWSET,
-			      AF_INET, NLM_F_ACK, mnl_seqnum_alloc(seqnum));
-	mnl_nlmsg_batch_next(b);
-
-	nft_mnl_batch_put(mnl_nlmsg_batch_current(b), NFNL_MSG_BATCH_END,
-			  mnl_seqnum_alloc(seqnum));
-	mnl_nlmsg_batch_next(b);
-
-	ret = mnl_socket_sendto(nf_sock, mnl_nlmsg_batch_head(b),
-				mnl_nlmsg_batch_size(b));
-	if (ret < 0)
-		goto err;
-
-	mnl_nlmsg_batch_stop(b);
-
-	ret = mnl_socket_recvfrom(nf_sock, buf, sizeof(buf));
-	while (ret > 0) {
-		ret = mnl_cb_run(buf, ret, 0, mnl_socket_get_portid(nf_sock),
-				 NULL, NULL);
-		if (ret <= 0)
-			break;
-
-		ret = mnl_socket_recvfrom(nf_sock, buf, sizeof(buf));
-	}
-
-	/* We're sending an incomplete message to see if the kernel supports
-	 * set messages in batches. EINVAL means that we sent an incomplete
-	 * message with missing attributes. The kernel just ignores messages
-	 * that we cannot include in the batch.
-	 */
-	return (ret == -1 && errno == EINVAL) ? true : false;
-err:
-	mnl_nlmsg_batch_stop(b);
-	return ret;
-}