summaryrefslogtreecommitdiffstats
path: root/include/net/genetlink.h
diff options
context:
space:
mode:
authorJohannes Berg <johannes.berg@intel.com>2017-04-12 14:34:05 +0200
committerDavid S. Miller <davem@davemloft.net>2017-04-13 13:58:21 -0400
commit7ab606d1609dd6dfeae9c8ad0a8a4e051d831e46 (patch)
tree728e0cb253e015687ce18a153eca94f6b99f153b /include/net/genetlink.h
parent2d4bc93368f5a0ddb57c8c885cdad9c9b7a10ed5 (diff)
downloadlinux-7ab606d1609dd6dfeae9c8ad0a8a4e051d831e46.tar.gz
linux-7ab606d1609dd6dfeae9c8ad0a8a4e051d831e46.tar.bz2
linux-7ab606d1609dd6dfeae9c8ad0a8a4e051d831e46.zip
genetlink: pass extended ACK report down
Pass the extended ACK reporting struct down from generic netlink to the families, using the existing struct genl_info for simplicity. Also add support to set the extended ACK information from generic netlink users. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Reviewed-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/genetlink.h')
-rw-r--r--include/net/genetlink.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/include/net/genetlink.h b/include/net/genetlink.h
index a34275be3600..f18db6570f52 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