[TCP]: TCP_DEFER_ACCEPT updates - defer timeout conflicts with max_thresh

[linux-2.6] / net / dccp / ipv4.c

diff --git a/net/dccp/ipv4.c b/net/dccp/ipv4.c
index c982ad88223dd6c5827116a7f362744c7e2ad3c0..17ad69e90e4890b982a56fb4afda11caeb6cbf21 100644 (file)
--- a/net/dccp/ipv4.c
+++ b/net/dccp/ipv4.c
@@ -38,12 +38,6 @@
  */
 static struct socket *dccp_v4_ctl_socket;
 
-static int dccp_v4_get_port(struct sock *sk, const unsigned short snum)
-{
-       return inet_csk_get_port(&dccp_hashinfo, sk, snum,
-                                inet_csk_bind_conflict);
-}
-
 int dccp_v4_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len)
 {
        struct inet_sock *inet = inet_sk(sk);
@@ -408,8 +402,8 @@ struct sock *dccp_v4_request_recv_sock(struct sock *sk, struct sk_buff *skb,
 
        dccp_sync_mss(newsk, dst_mtu(dst));
 
-       __inet_hash_nolisten(&dccp_hashinfo, newsk);
-       __inet_inherit_port(&dccp_hashinfo, sk, newsk);
+       __inet_hash_nolisten(newsk);
+       __inet_inherit_port(sk, newsk);
 
        return newsk;
 
@@ -456,7 +450,7 @@ static struct dst_entry* dccp_v4_route_skb(struct sock *sk,
                                           struct sk_buff *skb)
 {
        struct rtable *rt;
-       struct flowi fl = { .oif = ((struct rtable *)skb->dst)->rt_iif,
+       struct flowi fl = { .oif = skb->rtable->rt_iif,
                            .nl_u = { .ip4_u =
                                      { .daddr = ip_hdr(skb)->saddr,
                                        .saddr = ip_hdr(skb)->daddr,
@@ -477,15 +471,14 @@ static struct dst_entry* dccp_v4_route_skb(struct sock *sk,
        return &rt->u.dst;
 }
 
-static int dccp_v4_send_response(struct sock *sk, struct request_sock *req,
-                                struct dst_entry *dst)
+static int dccp_v4_send_response(struct sock *sk, struct request_sock *req)
 {
        int err = -1;
        struct sk_buff *skb;
+       struct dst_entry *dst;
 
-       /* First, grab a route. */
-
-       if (dst == NULL && (dst = inet_csk_route_req(sk, req)) == NULL)
+       dst = inet_csk_route_req(sk, req);
+       if (dst == NULL)
                goto out;
 
        skb = dccp_make_response(sk, dst, req);
@@ -518,7 +511,7 @@ static void dccp_v4_ctl_send_reset(struct sock *sk, struct sk_buff *rxskb)
        if (dccp_hdr(rxskb)->dccph_type == DCCP_PKT_RESET)
                return;
 
-       if (((struct rtable *)rxskb->dst)->rt_type != RTN_LOCAL)
+       if (rxskb->rtable->rt_type != RTN_LOCAL)
                return;
 
        dst = dccp_v4_route_skb(dccp_v4_ctl_socket->sk, rxskb);
@@ -570,8 +563,7 @@ int dccp_v4_conn_request(struct sock *sk, struct sk_buff *skb)
        struct dccp_skb_cb *dcb = DCCP_SKB_CB(skb);
 
        /* Never answer to DCCP_PKT_REQUESTs send to broadcast or multicast */
-       if (((struct rtable *)skb->dst)->rt_flags &
-           (RTCF_BROADCAST | RTCF_MULTICAST))
+       if (skb->rtable->rt_flags & (RTCF_BROADCAST | RTCF_MULTICAST))
                return 0;       /* discard, don't send a reset here */
 
        if (dccp_bad_service_code(sk, service)) {
@@ -626,7 +618,7 @@ int dccp_v4_conn_request(struct sock *sk, struct sk_buff *skb)
        dreq->dreq_iss     = dccp_v4_init_sequence(skb);
        dreq->dreq_service = service;
 
-       if (dccp_v4_send_response(sk, req, NULL))
+       if (dccp_v4_send_response(sk, req))
                goto drop_and_free;
 
        inet_csk_reqsk_queue_hash_add(sk, req, DCCP_TIMEOUT_INIT);
@@ -898,6 +890,7 @@ static struct inet_connection_sock_af_ops dccp_ipv4_af_ops = {
        .getsockopt        = ip_getsockopt,
        .addr2sockaddr     = inet_csk_addr2sockaddr,
        .sockaddr_len      = sizeof(struct sockaddr_in),
+       .bind_conflict     = inet_csk_bind_conflict,
 #ifdef CONFIG_COMPAT
        .compat_setsockopt = compat_ip_setsockopt,
        .compat_getsockopt = compat_ip_getsockopt,
@@ -937,10 +930,10 @@ static struct proto dccp_v4_prot = {
        .sendmsg                = dccp_sendmsg,
        .recvmsg                = dccp_recvmsg,
        .backlog_rcv            = dccp_v4_do_rcv,
-       .hash                   = dccp_hash,
-       .unhash                 = dccp_unhash,
+       .hash                   = inet_hash,
+       .unhash                 = inet_unhash,
        .accept                 = inet_csk_accept,
-       .get_port               = dccp_v4_get_port,
+       .get_port               = inet_csk_get_port,
        .shutdown               = dccp_shutdown,
        .destroy                = dccp_destroy_sock,
        .orphan_count           = &dccp_orphan_count,
@@ -948,6 +941,7 @@ static struct proto dccp_v4_prot = {
        .obj_size               = sizeof(struct dccp_sock),
        .rsk_prot               = &dccp_request_sock_ops,
        .twsk_prot              = &dccp_timewait_sock_ops,
+       .hashinfo               = &dccp_hashinfo,
 #ifdef CONFIG_COMPAT
        .compat_setsockopt      = compat_dccp_setsockopt,
        .compat_getsockopt      = compat_dccp_getsockopt,