Modify netsend to use latest TP_DATA_LOC_READ_CONST macro
Modify netsend to use latest TP_DATA_LOC_READ_CONST macro

goldshtn/linux-tracing-workshop,goldshtn/linux-tracing-workshop,goldshtn/linux-tracing-workshop,goldshtn/linux-tracing-workshop,goldshtn/linux-tracing-workshop,goldshtn/linux-tracing-workshop,goldshtn/linux-tracing-workshop,goldshtn/linux-tracing-workshop