This new rule udata attribute will contain extensions which have been
converted to native nftables expressions for rule parsers to fall back
to.
While at it, export parse_udata_cb() as rule parsing code will call it
in future.
Signed-off-by: Phil Sutter <phil@xxxxxx>
---
iptables/nft.c | 11 +++--------
iptables/nft.h | 12 ++++++++++++
2 files changed, 15 insertions(+), 8 deletions(-)
diff --git a/iptables/nft.c b/iptables/nft.c
index e629f995b7709..2cc654e2dd91d 100644
--- a/iptables/nft.c
+++ b/iptables/nft.c
@@ -1670,14 +1670,7 @@ int add_counters(struct nftnl_rule *r, uint64_t packets, uint64_t bytes)
return 0;
}
-enum udata_type {
- UDATA_TYPE_COMMENT,
- UDATA_TYPE_EBTABLES_POLICY,
- __UDATA_TYPE_MAX,
-};
-#define UDATA_TYPE_MAX (__UDATA_TYPE_MAX - 1)
-
-static int parse_udata_cb(const struct nftnl_udata *attr, void *data)
+int parse_udata_cb(const struct nftnl_udata *attr, void *data)
{
unsigned char *value = nftnl_udata_get(attr);
uint8_t type = nftnl_udata_type(attr);
@@ -1691,6 +1684,8 @@ static int parse_udata_cb(const struct nftnl_udata *attr, void *data)
break;
case UDATA_TYPE_EBTABLES_POLICY:
break;
+ case UDATA_TYPE_COMPAT_EXT:
+ break;
default:
return 0;
}
diff --git a/iptables/nft.h b/iptables/nft.h
index 49653ecea7330..f1a58b9e52865 100644
--- a/iptables/nft.h
+++ b/iptables/nft.h
@@ -275,4 +275,16 @@ void nft_assert_table_compatible(struct nft_handle *h,
int ebt_set_user_chain_policy(struct nft_handle *h, const char *table,
const char *chain, const char *policy);
+struct nftnl_udata;
+
+enum udata_type {
+ UDATA_TYPE_COMMENT,
+ UDATA_TYPE_EBTABLES_POLICY,
+ UDATA_TYPE_COMPAT_EXT,
+ __UDATA_TYPE_MAX,
+};
+#define UDATA_TYPE_MAX (__UDATA_TYPE_MAX - 1)
+
+int parse_udata_cb(const struct nftnl_udata *attr, void *data);
+
#endif
--
2.43.0
