1 files changed, 95 insertions, 0 deletions
diff --git a/lib/libpfctl/libpfctl.c b/lib/libpfctl/libpfctl.c
index 17576066fcfd..e739e55033e2 100644
--- a/lib/libpfctl/libpfctl.c
+++ b/lib/libpfctl/libpfctl.c
@@ -2597,6 +2597,101 @@ pfctl_table_del_addrs_h(struct pfctl_handle *h, struct pfr_table *tbl, struct pf
 	return (ret);
 }
 
+struct pfctl_change {
+	int add;
+	int del;
+	int change;
+};
+#define	_OUT(_field)	offsetof(struct pfctl_change, _field)
+static struct snl_attr_parser ap_table_set_addr[] = {
+	{ .type = PF_TA_NBR_ADDED, .off = _OUT(add), .cb = snl_attr_get_uint32 },
+	{ .type = PF_TA_NBR_DELETED, .off = _OUT(del), .cb = snl_attr_get_uint32 },
+	{ .type = PF_TA_NBR_CHANGED, .off = _OUT(change), .cb = snl_attr_get_uint32 },
+};
+#undef _OUT
+SNL_DECLARE_PARSER(table_set_addr_parser, struct genlmsghdr, snl_f_p_empty, ap_table_set_addr);
+
+static int
+_pfctl_table_set_addrs_h(struct pfctl_handle *h, struct pfr_table *tbl, struct pfr_addr
+    *addrs, int size, int *nadd, int *ndel, int *nchange, int flags)
+{
+	struct snl_writer nw;
+	struct snl_errmsg_data e = {};
+	struct nlmsghdr *hdr;
+	struct pfctl_change change = { 0 };
+	uint32_t seq_id;
+	int family_id;
+
+	family_id = snl_get_genl_family(&h->ss, PFNL_FAMILY_NAME);
+	if (family_id == 0)
+		return (ENOTSUP);
+
+	snl_init_writer(&h->ss, &nw);
+	hdr = snl_create_genl_msg_request(&nw, family_id, PFNL_CMD_TABLE_SET_ADDR);
+
+	snl_add_msg_attr_table(&nw, PF_TA_TABLE, tbl);
+	snl_add_msg_attr_u32(&nw, PF_TA_FLAGS, flags);
+	for (int i = 0; i < size; i++)
+		snl_add_msg_attr_pfr_addr(&nw, PF_TA_ADDR, &addrs[i]);
+
+	if ((hdr = snl_finalize_msg(&nw)) == NULL)
+		return (ENXIO);
+	seq_id = hdr->nlmsg_seq;
+
+	if (! snl_send_message(&h->ss, hdr))
+		return (ENXIO);
+
+	while ((hdr = snl_read_reply_multi(&h->ss, seq_id, &e)) != NULL) {
+		if (! snl_parse_nlmsg(&h->ss, hdr, &table_set_addr_parser, &change))
+			continue;
+	}
+
+	if (nadd)
+		*nadd = change.add;
+	if (ndel)
+		*ndel = change.del;
+	if (nchange)
+		*nchange = change.change;
+
+	return (e.error);
+}
+
+int
+pfctl_table_set_addrs_h(struct pfctl_handle *h, struct pfr_table *tbl,
+    struct pfr_addr *addr, int size, int *nadd, int *ndel,
+    int *nchange, int flags)
+{
+	int ret;
+	int off = 0;
+	int partial_add, partial_del, partial_change;
+	int chunk_size;
+
+	do {
+		flags &= ~(PFR_FLAG_START | PFR_FLAG_DONE);
+		if (off == 0)
+			flags |= PFR_FLAG_START;
+		chunk_size = MIN(size - off, 256);
+		if ((chunk_size + off) == size)
+			flags |= PFR_FLAG_DONE;
+		ret = _pfctl_table_set_addrs_h(h, tbl, &addr[off], chunk_size,
+		    &partial_add, &partial_del, &partial_change, flags);
+		if (ret != 0)
+			break;
+		if (! (flags & PFR_FLAG_DONE)) {
+			assert(partial_del == 0);
+		}
+		if (nadd)
+			*nadd += partial_add;
+		if (ndel)
+			*ndel += partial_del;
+		if (nchange)
+			*nchange += partial_change;
+		off += chunk_size;
+	} while (off < size);
+
+	return (ret);
+}
+
 int
 pfctl_table_set_addrs(int dev, struct pfr_table *tbl, struct pfr_addr
     *addr, int size, int *size2, int *nadd, int *ndel, int *nchange, int flags)