TC_ACT_EXT_OPCODE
#define TC_ACT_EXT_CMP(combined, opcode) (TC_ACT_EXT_OPCODE(combined) == opcode)
int opcode = TC_ACT_EXT_OPCODE(action), ret = -EINVAL;
if (!TC_ACT_EXT_OPCODE(tc_act)) {
#define TC_ACT_EXT_CMP(combined, opcode) (TC_ACT_EXT_OPCODE(combined) == opcode)