taglinefilesource code
send_tail1859net/inet/ip.csk->send_tail = skb;
send_tail1864net/inet/ip.csk->send_tail->link3 = skb;
send_tail1865net/inet/ip.csk->send_tail = skb;
send_tail851net/inet/sock.csk->send_tail = NULL;
send_tail93net/inet/sock.hstruct sk_buff    * volatile send_tail;
send_tail1740net/inet/tcp.cnewsk->send_tail = NULL;
send_tail2104net/inet/tcp.csk->send_tail = skb;
send_tail2112net/inet/tcp.cif (skb->link3 == NULL) sk->send_tail = skb;
send_tail2180net/inet/tcp.csk->send_tail = NULL;
send_tail2205net/inet/tcp.csk->send_tail = skb;
send_tail2207net/inet/tcp.csk->send_tail->link3 = skb;
send_tail2208net/inet/tcp.csk->send_tail = skb;
send_tail2216net/inet/tcp.cif (sk->send_tail == NULL || sk->send_head == NULL) {
send_tail2218net/inet/tcp.csk->send_tail = NULL;
send_tail2362net/inet/tcp.csk->send_tail = NULL;