diff options
Diffstat (limited to 'net/ipv4/af_inet.c')
| -rw-r--r-- | net/ipv4/af_inet.c | 48 |
1 files changed, 25 insertions, 23 deletions
diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c index 55513e654d79..5ddf5cda07f4 100644 --- a/net/ipv4/af_inet.c +++ b/net/ipv4/af_inet.c @@ -211,24 +211,19 @@ int inet_listen(struct socket *sock, int backlog) * we can only allow the backlog to be adjusted. */ if (old_state != TCP_LISTEN) { - /* Check special setups for testing purpose to enable TFO w/o - * requiring TCP_FASTOPEN sockopt. + /* Enable TFO w/o requiring TCP_FASTOPEN socket option. * Note that only TCP sockets (SOCK_STREAM) will reach here. - * Also fastopenq may already been allocated because this - * socket was in TCP_LISTEN state previously but was - * shutdown() (rather than close()). + * Also fastopen backlog may already been set via the option + * because the socket was in TCP_LISTEN state previously but + * was shutdown() rather than close(). */ - if ((sysctl_tcp_fastopen & TFO_SERVER_ENABLE) != 0 && + if ((sysctl_tcp_fastopen & TFO_SERVER_WO_SOCKOPT1) && + (sysctl_tcp_fastopen & TFO_SERVER_ENABLE) && !inet_csk(sk)->icsk_accept_queue.fastopenq.max_qlen) { - if ((sysctl_tcp_fastopen & TFO_SERVER_WO_SOCKOPT1) != 0) - fastopen_queue_tune(sk, backlog); - else if ((sysctl_tcp_fastopen & - TFO_SERVER_WO_SOCKOPT2) != 0) - fastopen_queue_tune(sk, - ((uint)sysctl_tcp_fastopen) >> 16); - + fastopen_queue_tune(sk, backlog); tcp_fastopen_init_key_once(true); } + err = inet_csk_listen_start(sk, backlog); if (err) goto out; @@ -538,9 +533,9 @@ EXPORT_SYMBOL(inet_dgram_connect); static long inet_wait_for_connect(struct sock *sk, long timeo, int writebias) { - DEFINE_WAIT(wait); + DEFINE_WAIT_FUNC(wait, woken_wake_function); - prepare_to_wait(sk_sleep(sk), &wait, TASK_INTERRUPTIBLE); + add_wait_queue(sk_sleep(sk), &wait); sk->sk_write_pending += writebias; /* Basic assumption: if someone sets sk->sk_err, he _must_ @@ -550,13 +545,12 @@ static long inet_wait_for_connect(struct sock *sk, long timeo, int writebias) */ while ((1 << sk->sk_state) & (TCPF_SYN_SENT | TCPF_SYN_RECV)) { release_sock(sk); - timeo = schedule_timeout(timeo); + timeo = wait_woken(&wait, TASK_INTERRUPTIBLE, timeo); lock_sock(sk); if (signal_pending(current) || !timeo) break; - prepare_to_wait(sk_sleep(sk), &wait, TASK_INTERRUPTIBLE); } - finish_wait(sk_sleep(sk), &wait); + remove_wait_queue(sk_sleep(sk), &wait); sk->sk_write_pending -= writebias; return timeo; } @@ -921,6 +915,8 @@ const struct proto_ops inet_stream_ops = { .mmap = sock_no_mmap, .sendpage = inet_sendpage, .splice_read = tcp_splice_read, + .read_sock = tcp_read_sock, + .peek_len = tcp_peek_len, #ifdef CONFIG_COMPAT .compat_setsockopt = compat_sock_common_setsockopt, .compat_getsockopt = compat_sock_common_getsockopt, @@ -1195,7 +1191,7 @@ EXPORT_SYMBOL(inet_sk_rebuild_header); struct sk_buff *inet_gso_segment(struct sk_buff *skb, netdev_features_t features) { - bool udpfrag = false, fixedid = false, encap; + bool udpfrag = false, fixedid = false, gso_partial, encap; struct sk_buff *segs = ERR_PTR(-EINVAL); const struct net_offload *ops; unsigned int offset = 0; @@ -1248,6 +1244,8 @@ struct sk_buff *inet_gso_segment(struct sk_buff *skb, if (IS_ERR_OR_NULL(segs)) goto out; + gso_partial = !!(skb_shinfo(segs)->gso_type & SKB_GSO_PARTIAL); + skb = segs; do { iph = (struct iphdr *)(skb_mac_header(skb) + nhoff); @@ -1262,9 +1260,13 @@ struct sk_buff *inet_gso_segment(struct sk_buff *skb, iph->id = htons(id); id += skb_shinfo(skb)->gso_segs; } - tot_len = skb_shinfo(skb)->gso_size + - SKB_GSO_CB(skb)->data_offset + - skb->head - (unsigned char *)iph; + + if (gso_partial) + tot_len = skb_shinfo(skb)->gso_size + + SKB_GSO_CB(skb)->data_offset + + skb->head - (unsigned char *)iph; + else + tot_len = skb->len - nhoff; } else { if (!fixedid) iph->id = htons(id++); @@ -1388,7 +1390,7 @@ struct sk_buff **inet_gro_receive(struct sk_buff **head, struct sk_buff *skb) skb_gro_pull(skb, sizeof(*iph)); skb_set_transport_header(skb, skb_gro_offset(skb)); - pp = ops->callbacks.gro_receive(head, skb); + pp = call_gro_receive(ops->callbacks.gro_receive, head, skb); out_unlock: rcu_read_unlock(); |
