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Diffstat (limited to 'include/net/genetlink.h')
-rw-r--r--include/net/genetlink.h20
1 files changed, 17 insertions, 3 deletions
diff --git a/include/net/genetlink.h b/include/net/genetlink.h
index a34275be3600..68b88192b00c 100644
--- a/include/net/genetlink.h
+++ b/include/net/genetlink.h
@@ -84,6 +84,7 @@ struct nlattr **genl_family_attrbuf(const struct genl_family *family);
* @attrs: netlink attributes
* @_net: network namespace
* @user_ptr: user pointers
+ * @extack: extended ACK report struct
*/
struct genl_info {
u32 snd_seq;
@@ -94,6 +95,7 @@ struct genl_info {
struct nlattr ** attrs;
possible_net_t _net;
void * user_ptr[2];
+ struct netlink_ext_ack *extack;
};
static inline struct net *genl_info_net(struct genl_info *info)
@@ -106,6 +108,16 @@ static inline void genl_info_net_set(struct genl_info *info, struct net *net)
write_pnet(&info->_net, net);
}
+#define GENL_SET_ERR_MSG(info, msg) NL_SET_ERR_MSG((info)->extack, msg)
+
+static inline int genl_err_attr(struct genl_info *info, int err,
+ struct nlattr *attr)
+{
+ info->extack->bad_attr = attr;
+
+ return err;
+}
+
/**
* struct genl_ops - generic netlink operations
* @cmd: command identifier
@@ -162,14 +174,16 @@ genlmsg_nlhdr(void *user_hdr, const struct genl_family *family)
* @tb: destination array with maxtype+1 elements
* @maxtype: maximum attribute type to be expected
* @policy: validation policy
- * */
+ * @extack: extended ACK report struct
+ */
static inline int genlmsg_parse(const struct nlmsghdr *nlh,
const struct genl_family *family,
struct nlattr *tb[], int maxtype,
- const struct nla_policy *policy)
+ const struct nla_policy *policy,
+ struct netlink_ext_ack *extack)
{
return nlmsg_parse(nlh, family->hdrsize + GENL_HDRLEN, tb, maxtype,
- policy);
+ policy, extack);
}
/**