taglinefilesource code
send_head1863net/inet/ip.cif (sk->send_head == NULL) 
send_head1866net/inet/ip.csk->send_head = skb;
send_head1928net/inet/ip.cskb = sk->send_head;
send_head498net/inet/ipx.csk->send_head=NULL;
send_head351net/inet/sock.cfor(skb = sk->send_head; skb != NULL; )
send_head369net/inet/sock.csk->send_head = NULL;
send_head855net/inet/sock.csk->send_head = NULL;
send_head92net/inet/sock.hstruct sk_buff    * volatile send_head;
send_head638net/inet/tcp.csk->send_head == NULL &&
send_head769net/inet/tcp.cif (sk->send_head == NULL && skb_peek(&sk->write_queue) == NULL
send_head1930net/inet/tcp.cnewsk->send_head = NULL;
send_head2345net/inet/tcp.cfor (skb = sk->send_head; skb != NULL; skb = skb2) {
send_head2363net/inet/tcp.csk->send_head = list;
send_head2426net/inet/tcp.cskb2 = sk->send_head;
send_head2427net/inet/tcp.csk->send_head = NULL;
send_head2451net/inet/tcp.cif (sk->send_head == NULL) {
send_head2452net/inet/tcp.csk->send_head = skb;
send_head2464net/inet/tcp.cif (sk->send_tail == NULL || sk->send_head == NULL) {
send_head2465net/inet/tcp.csk->send_head = NULL;
send_head2522net/inet/tcp.cwhile(sk->send_head != NULL) {
send_head2524net/inet/tcp.cif (sk->send_head->link3 &&
send_head2525net/inet/tcp.cafter(sk->send_head->h.seq, sk->send_head->link3->h.seq)) {
send_head2530net/inet/tcp.cif (before(sk->send_head->h.seq, ack+1)) {
send_head2546net/inet/tcp.cif (sk->send_head->link3)
send_head2568net/inet/tcp.csk->send_head, sk->send_head->h.seq, ack));
send_head2573net/inet/tcp.coskb = sk->send_head;
send_head2606net/inet/tcp.coskb = sk->send_head;
send_head2608net/inet/tcp.csk->send_head = oskb->link3;
send_head2609net/inet/tcp.cif (sk->send_head == NULL) {
send_head2637net/inet/tcp.csk->send_head == NULL &&
send_head2643net/inet/tcp.cif (sk->send_head == NULL && sk->ack_backlog == 0 &&
send_head2663net/inet/tcp.cskb_peek(&sk->write_queue) == NULL && sk->send_head == NULL) {
send_head2759net/inet/tcp.cif (((!flag) || (flag&4)) && sk->send_head != NULL &&
send_head2761net/inet/tcp.c(sk->send_head->when + sk->rto < jiffies))) {
send_head108net/inet/timer.csk->send_head == NULL &&
send_head173net/inet/timer.cskb = sk->send_head;