projects / dragonfly.git / blame
| Commit | Line | Data |
|---|---|---|
| e9f8c2a6 SZ |
1 | /* |
| 2 | * Copyright (c) 2003, 2004 Jeffrey M. Hsu. All rights reserved. | |
| 3 | * Copyright (c) 2003, 2004 The DragonFly Project. All rights reserved. | |
| 4 | * | |
| 5 | * This code is derived from software contributed to The DragonFly Project | |
| 6 | * by Jeffrey M. Hsu. | |
| 7 | * | |
| 8 | * Redistribution and use in source and binary forms, with or without | |
| 9 | * modification, are permitted provided that the following conditions | |
| 10 | * are met: | |
| 11 | * 1. Redistributions of source code must retain the above copyright | |
| 12 | * notice, this list of conditions and the following disclaimer. | |
| 13 | * 2. Redistributions in binary form must reproduce the above copyright | |
| 14 | * notice, this list of conditions and the following disclaimer in the | |
| 15 | * documentation and/or other materials provided with the distribution. | |
| 16 | * 3. Neither the name of The DragonFly Project nor the names of its | |
| 17 | * contributors may be used to endorse or promote products derived | |
| 18 | * from this software without specific, prior written permission. | |
| 19 | * | |
| 20 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 21 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 22 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS | |
| 23 | * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE | |
| 24 | * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, | |
| 25 | * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING, | |
| 26 | * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
| 27 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED | |
| 28 | * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, | |
| 29 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT | |
| 30 | * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
| 31 | * SUCH DAMAGE. | |
| 32 | */ | |
| 33 | ||
| 34 | #include "opt_inet6.h" | |
| 35 | ||
| 36 | #include <sys/param.h> | |
| 37 | #include <sys/systm.h> | |
| 38 | #include <sys/kernel.h> | |
| 39 | #include <sys/socket.h> | |
| 40 | #include <sys/socketvar.h> | |
| 41 | ||
| 42 | #include <netinet/tcp_var.h> | |
| 43 | #include <netinet6/tcp6_var.h> | |
| 44 | ||
| 45 | lwkt_port_t | |
| 48e7b118 | 46 | tcp6_soport(struct socket *so, struct sockaddr *nam, struct mbuf **m0) |
| e9f8c2a6 SZ |
47 | { |
| 48 | struct inpcb *inp; | |
| 49 | ||
| 50 | /* | |
| 48e7b118 | 51 | * Use IPv6 default tcp soport (tcp protocol thread on cpu 0) if: |
| e9f8c2a6 SZ |
52 | * - No socket yet |
| 53 | * - No inp, connection reset by peer | |
| 54 | * - IPv6 only | |
| 55 | * - Not IPv4 mapped | |
| 56 | */ | |
| 57 | if (so == NULL || (inp = so->so_pcb) == NULL || | |
| 58 | (inp->inp_flags & IN6P_IPV6_V6ONLY) || | |
| 48e7b118 MD |
59 | (inp->inp_vflag & INP_IPV4) == 0) { |
| 60 | return tcp6_addrport(); | |
| 61 | } | |
| e9f8c2a6 SZ |
62 | |
| 63 | /* IPv4 mapped, fall back to IPv4 tcp_soport */ | |
| 48e7b118 | 64 | return tcp_soport(so, nam, m0); |
| e9f8c2a6 | 65 | } |
| 65f3e756 MD |
66 | |
| 67 | /* | |
| 68 | * XXX hack | |
| 69 | */ | |
| 70 | lwkt_port_t | |
| 71 | tcp6_addrport(void) | |
| 72 | { | |
| 73 | return(tcp_addrport0()); | |
| 74 | } |