ISCSI_OPCODE_MASK
MPASS(!((request->ip_bhs->bhs_opcode & ISCSI_OPCODE_MASK) ==
(request->ip_bhs->bhs_opcode & ISCSI_OPCODE_MASK) ==
switch (request->ip_bhs->bhs_opcode & ISCSI_OPCODE_MASK) {
switch (opcode & ISCSI_OPCODE_MASK) {