kybaaz/linux-xiaomi-chiron
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

cifs: Set witness notification handler for messages from userspace daemon

Browse source 
+ Set a handler for the witness notification messages received from the
  userspace daemon.

+ Handle the resource state change notification. When the resource
  becomes unavailable or available set the tcp status to
  CifsNeedReconnect for all channels.

Signed-off-by: Samuel Cabrero <scabrero@suse.de>
Reviewed-by: Aurelien Aptel <aaptel@suse.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
This commit is contained in:
Samuel Cabrero 2020-11-30 19:02:52 +01:00 • committed by Steve French
parent bf80e5d425
commit fed979a7e0
4 changed files with 116 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

17
include/uapi/linux/cifs/cifs_netlink.h
View file

@ -31,6 +31,9 @@ enum cifs_genl_attributes {
CIFS_GENL_ATTR_SWN_USER_NAME,
CIFS_GENL_ATTR_SWN_PASSWORD,
CIFS_GENL_ATTR_SWN_DOMAIN_NAME,
CIFS_GENL_ATTR_SWN_NOTIFICATION_TYPE,
CIFS_GENL_ATTR_SWN_RESOURCE_STATE,
CIFS_GENL_ATTR_SWN_RESOURCE_NAME,
__CIFS_GENL_ATTR_MAX,
};
#define CIFS_GENL_ATTR_MAX (__CIFS_GENL_ATTR_MAX - 1)
@ -39,8 +42,22 @@ enum cifs_genl_commands {
CIFS_GENL_CMD_UNSPEC,
CIFS_GENL_CMD_SWN_REGISTER,
CIFS_GENL_CMD_SWN_UNREGISTER,
CIFS_GENL_CMD_SWN_NOTIFY,
__CIFS_GENL_CMD_MAX
};
#define CIFS_GENL_CMD_MAX (__CIFS_GENL_CMD_MAX - 1)
enum cifs_swn_notification_type {
CIFS_SWN_NOTIFICATION_RESOURCE_CHANGE = 0x01,
CIFS_SWN_NOTIFICATION_CLIENT_MOVE = 0x02,
CIFS_SWN_NOTIFICATION_SHARE_MOVE = 0x03,
CIFS_SWN_NOTIFICATION_IP_CHANGE = 0x04,
};
enum cifs_swn_resource_state {
CIFS_SWN_RESOURCE_STATE_UNKNOWN = 0x00,
CIFS_SWN_RESOURCE_STATE_AVAILABLE = 0x01,
CIFS_SWN_RESOURCE_STATE_UNAVAILABLE = 0xFF
};
#endif /* _UAPILINUX_CIFS_NETLINK_H */