void *ktx_args[2]; /* completion passthru */
E3_Addr ktx_ebuffer; /* elan address of ktx_buffer */
char *ktx_buffer; /* pre-allocated contiguous buffer for hdr + small payloads */
+ unsigned long ktx_launchtime; /* when (in jiffies) the transmit was launched */
/* debug/info fields */
pid_t ktx_launcher; /* pid of launching process */