bh_lock_sock(sk);
ret = 0;
if (!sock_owned_by_user(sk)) {
- if (!tcp_prequeue(sk, skb))
- ret = tcp_v6_do_rcv(sk, skb);
+#ifdef CONFIG_NET_DMA
+ struct tcp_sock *tp = tcp_sk(sk);
+ if (tp->ucopy.dma_chan)
+ ret = tcp_v6_do_rcv(sk, skb);
+ else
+#endif
+ {
+ if (!tcp_prequeue(sk, skb))
+ ret = tcp_v6_do_rcv(sk, skb);
+ }
} else
sk_add_backlog(sk, skb);
bh_unlock_sock(sk);
}
static struct inet_connection_sock_af_ops ipv6_specific = {
- .queue_xmit = inet6_csk_xmit,
- .send_check = tcp_v6_send_check,
- .rebuild_header = inet6_sk_rebuild_header,
- .conn_request = tcp_v6_conn_request,
- .syn_recv_sock = tcp_v6_syn_recv_sock,
- .remember_stamp = tcp_v6_remember_stamp,
- .net_header_len = sizeof(struct ipv6hdr),
-
- .setsockopt = ipv6_setsockopt,
- .getsockopt = ipv6_getsockopt,
- .addr2sockaddr = inet6_csk_addr2sockaddr,
- .sockaddr_len = sizeof(struct sockaddr_in6)
+ .queue_xmit = inet6_csk_xmit,
+ .send_check = tcp_v6_send_check,
+ .rebuild_header = inet6_sk_rebuild_header,
+ .conn_request = tcp_v6_conn_request,
+ .syn_recv_sock = tcp_v6_syn_recv_sock,
+ .remember_stamp = tcp_v6_remember_stamp,
+ .net_header_len = sizeof(struct ipv6hdr),
+ .setsockopt = ipv6_setsockopt,
+ .getsockopt = ipv6_getsockopt,
+ .addr2sockaddr = inet6_csk_addr2sockaddr,
+ .sockaddr_len = sizeof(struct sockaddr_in6),
+#ifdef CONFIG_COMPAT
+ .compat_setsockopt = compat_ipv6_setsockopt,
+ .compat_getsockopt = compat_ipv6_getsockopt,
+#endif
};
/*
*/
static struct inet_connection_sock_af_ops ipv6_mapped = {
- .queue_xmit = ip_queue_xmit,
- .send_check = tcp_v4_send_check,
- .rebuild_header = inet_sk_rebuild_header,
- .conn_request = tcp_v6_conn_request,
- .syn_recv_sock = tcp_v6_syn_recv_sock,
- .remember_stamp = tcp_v4_remember_stamp,
- .net_header_len = sizeof(struct iphdr),
-
- .setsockopt = ipv6_setsockopt,
- .getsockopt = ipv6_getsockopt,
- .addr2sockaddr = inet6_csk_addr2sockaddr,
- .sockaddr_len = sizeof(struct sockaddr_in6)
+ .queue_xmit = ip_queue_xmit,
+ .send_check = tcp_v4_send_check,
+ .rebuild_header = inet_sk_rebuild_header,
+ .conn_request = tcp_v6_conn_request,
+ .syn_recv_sock = tcp_v6_syn_recv_sock,
+ .remember_stamp = tcp_v4_remember_stamp,
+ .net_header_len = sizeof(struct iphdr),
+ .setsockopt = ipv6_setsockopt,
+ .getsockopt = ipv6_getsockopt,
+ .addr2sockaddr = inet6_csk_addr2sockaddr,
+ .sockaddr_len = sizeof(struct sockaddr_in6),
+#ifdef CONFIG_COMPAT
+ .compat_setsockopt = compat_ipv6_setsockopt,
+ .compat_getsockopt = compat_ipv6_getsockopt,
+#endif
};
-
-
/* NOTE: A lot of things set to zero explicitly by call to
* sk_alloc() so need not be done here.
*/
.obj_size = sizeof(struct tcp6_sock),
.twsk_prot = &tcp6_timewait_sock_ops,
.rsk_prot = &tcp6_request_sock_ops,
+#ifdef CONFIG_COMPAT
+ .compat_setsockopt = compat_tcp_setsockopt,
+ .compat_getsockopt = compat_tcp_getsockopt,
+#endif
};
static struct inet6_protocol tcpv6_protocol = {
void __init tcpv6_init(void)
{
- int err;
-
/* register inet6 protocol */
if (inet6_add_protocol(&tcpv6_protocol, IPPROTO_TCP) < 0)
printk(KERN_ERR "tcpv6_init: Could not register protocol\n");
inet6_register_protosw(&tcpv6_protosw);
- err = sock_create_kern(PF_INET6, SOCK_RAW, IPPROTO_TCP, &tcp6_socket);
- if (err < 0)
+ if (inet_csk_ctl_sock_create(&tcp6_socket, PF_INET6, SOCK_RAW,
+ IPPROTO_TCP) < 0)
panic("Failed to create the TCPv6 control socket.\n");
- tcp6_socket->sk->sk_allocation = GFP_ATOMIC;
-
- /* Unhash it so that IP input processing does not even
- * see it, we do not wish this socket to see incoming
- * packets.
- */
- tcp6_socket->sk->sk_prot->unhash(tcp6_socket->sk);
}