taglinefilesource code
send_tail1560net/inet/ip.csk->send_tail = skb;
send_tail1566net/inet/ip.cif (sk->send_tail == NULL) 
send_tail1573net/inet/ip.csk->send_tail->link3 = skb;
send_tail1574net/inet/ip.csk->send_tail = skb;
send_tail835net/inet/sock.csk->send_tail = NULL;
send_tail89net/inet/sock.hstruct sk_buff    *volatile send_tail;
send_tail691net/inet/sockinet.csk->send_tail = NULL;
send_tail2112net/inet/tcp.cnewsk->send_tail = NULL;
send_tail2493net/inet/tcp.csk->send_tail = skb;
send_tail2505net/inet/tcp.csk->send_tail = skb;
send_tail2564net/inet/tcp.csk->send_tail = NULL;
send_tail2608net/inet/tcp.csk->send_tail = skb;
send_tail2612net/inet/tcp.csk->send_tail->link3 = skb;
send_tail2613net/inet/tcp.csk->send_tail = skb;
send_tail2621net/inet/tcp.cif (sk->send_tail == NULL || sk->send_head == NULL) 
send_tail2624net/inet/tcp.csk->send_tail = NULL;
send_tail2704net/inet/tcp.csk->send_tail = NULL;
send_tail86net/socket/sock.hstruct sk_buff    *volatile send_tail;