SMB_AT_BASIC
mask = SMB_AT_BASIC | SMB_AT_STANDARD;
ASSERT((sa->sa_mask & SMB_AT_BASIC) == SMB_AT_BASIC);
mask = SMB_AT_BASIC;
#define SMB_AT_ALL (SMB_AT_BASIC | SMB_AT_STANDARD | SMB_AT_NODEID)