taglinefilesource code
backoff588net/inet/af_inet.csk->backoff = 0;
backoff1913net/inet/ip.csk->backoff++;
backoff66net/inet/ip.hextern int    backoff(int n);
backoff125net/inet/sock.hvolatile unsigned short  backoff;
backoff2029net/inet/tcp.cnewsk->backoff = 0;
backoff2664net/inet/tcp.csk->backoff = 0;
backoff2768net/inet/tcp.csk->backoff = 0;
backoff4336net/inet/tcp.csk->backoff++;