ipv4: make default for INET_LRO consistent with help text
[safe/jmp/linux-2.6] / net / ipv4 / tcp_ipv4.c
index 1017248..5d427f8 100644 (file)
@@ -51,6 +51,7 @@
  */
 
 
+#include <linux/bottom_half.h>
 #include <linux/types.h>
 #include <linux/fcntl.h>
 #include <linux/module.h>
@@ -1225,27 +1226,19 @@ int tcp_v4_conn_request(struct sock *sk, struct sk_buff *skb)
        if (want_cookie && !tmp_opt.saw_tstamp)
                tcp_clear_options(&tmp_opt);
 
-       if (tmp_opt.saw_tstamp && !tmp_opt.rcv_tsval) {
-               /* Some OSes (unknown ones, but I see them on web server, which
-                * contains information interesting only for windows'
-                * users) do not send their stamp in SYN. It is easy case.
-                * We simply do not advertise TS support.
-                */
-               tmp_opt.saw_tstamp = 0;
-               tmp_opt.tstamp_ok  = 0;
-       }
        tmp_opt.tstamp_ok = tmp_opt.saw_tstamp;
 
        tcp_openreq_init(req, &tmp_opt, skb);
 
-       if (security_inet_conn_request(sk, skb, req))
-               goto drop_and_free;
-
        ireq = inet_rsk(req);
        ireq->loc_addr = daddr;
        ireq->rmt_addr = saddr;
        ireq->no_srccheck = inet_sk(sk)->transparent;
        ireq->opt = tcp_v4_save_options(sk, skb);
+
+       if (security_inet_conn_request(sk, skb, req))
+               goto drop_and_free;
+
        if (!want_cookie)
                TCP_ECN_create_request(req, tcp_hdr(skb));
 
@@ -1593,7 +1586,7 @@ process:
 #ifdef CONFIG_NET_DMA
                struct tcp_sock *tp = tcp_sk(sk);
                if (!tp->ucopy.dma_chan && tp->ucopy.pinned_list)
-                       tp->ucopy.dma_chan = get_softnet_dma();
+                       tp->ucopy.dma_chan = dma_find_channel(DMA_MEMCPY);
                if (tp->ucopy.dma_chan)
                        ret = tcp_v4_do_rcv(sk, skb);
                else
@@ -1797,7 +1790,9 @@ static int tcp_v4_init_sock(struct sock *sk)
        sk->sk_sndbuf = sysctl_tcp_wmem[1];
        sk->sk_rcvbuf = sysctl_tcp_rmem[1];
 
+       local_bh_disable();
        percpu_counter_inc(&tcp_sockets_allocated);
+       local_bh_enable();
 
        return 0;
 }
@@ -2352,7 +2347,7 @@ struct sk_buff **tcp4_gro_receive(struct sk_buff **head, struct sk_buff *skb)
 
        switch (skb->ip_summed) {
        case CHECKSUM_COMPLETE:
-               if (!tcp_v4_check(skb->len, iph->saddr, iph->daddr,
+               if (!tcp_v4_check(skb_gro_len(skb), iph->saddr, iph->daddr,
                                  skb->csum)) {
                        skb->ip_summed = CHECKSUM_UNNECESSARY;
                        break;
@@ -2440,7 +2435,7 @@ static struct pernet_operations __net_initdata tcp_sk_ops = {
 void __init tcp_v4_init(void)
 {
        inet_hashinfo_init(&tcp_hashinfo);
-       if (register_pernet_device(&tcp_sk_ops))
+       if (register_pernet_subsys(&tcp_sk_ops))
                panic("Failed to create the TCP control socket.\n");
 }