author | Florian Westphal <fw@strlen.de> |
Thu, 09 Apr 2009 12:07:21 +0200 | |
changeset 2 | d1f6d8b6f81c |
parent 0 | aa628870c1d3 |
permissions | -rw-r--r-- |
0
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
1 |
/* |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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changeset
|
2 |
* INET An implementation of the TCP/IP protocol suite for the LINUX |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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|
3 |
* operating system. INET is implemented using the BSD Socket |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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4 |
* interface as the means of communication with the user level. |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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5 |
* |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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* Support for INET6 connection oriented protocols. |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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7 |
* |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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* Authors: See the TCPv6 sources |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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9 |
* |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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10 |
* This program is free software; you can redistribute it and/or |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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11 |
* modify it under the terms of the GNU General Public License |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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|
12 |
* as published by the Free Software Foundation; either version |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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13 |
* 2 of the License, or(at your option) any later version. |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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14 |
*/ |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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15 |
|
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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16 |
#include <linux/module.h> |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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17 |
#include <linux/in6.h> |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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18 |
#include <linux/ipv6.h> |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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#include <linux/jhash.h> |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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#include <net/addrconf.h> |
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Port of Linux 2.6.28 for use with network simulation cradle.
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#include <net/inet_connection_sock.h> |
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Port of Linux 2.6.28 for use with network simulation cradle.
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23 |
#include <net/inet_ecn.h> |
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Port of Linux 2.6.28 for use with network simulation cradle.
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#include <net/inet_hashtables.h> |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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#include <net/ip6_route.h> |
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Port of Linux 2.6.28 for use with network simulation cradle.
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#include <net/sock.h> |
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Port of Linux 2.6.28 for use with network simulation cradle.
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#include <net/inet6_connection_sock.h> |
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Port of Linux 2.6.28 for use with network simulation cradle.
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28 |
|
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Port of Linux 2.6.28 for use with network simulation cradle.
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int inet6_csk_bind_conflict(const struct sock *sk, |
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Port of Linux 2.6.28 for use with network simulation cradle.
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const struct inet_bind_bucket *tb) |
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Port of Linux 2.6.28 for use with network simulation cradle.
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{ |
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Port of Linux 2.6.28 for use with network simulation cradle.
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const struct sock *sk2; |
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Port of Linux 2.6.28 for use with network simulation cradle.
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const struct hlist_node *node; |
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Port of Linux 2.6.28 for use with network simulation cradle.
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|
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Port of Linux 2.6.28 for use with network simulation cradle.
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/* We must walk the whole port owner list in this case. -DaveM */ |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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36 |
/* |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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* See comment in inet_csk_bind_conflict about sock lookup |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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* vs net namespaces issues. |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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*/ |
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Port of Linux 2.6.28 for use with network simulation cradle.
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sk_for_each_bound(sk2, node, &tb->owners) { |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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if (sk != sk2 && |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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42 |
(!sk->sk_bound_dev_if || |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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43 |
!sk2->sk_bound_dev_if || |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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sk->sk_bound_dev_if == sk2->sk_bound_dev_if) && |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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45 |
(!sk->sk_reuse || !sk2->sk_reuse || |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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sk2->sk_state == TCP_LISTEN) && |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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ipv6_rcv_saddr_equal(sk, sk2)) |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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48 |
break; |
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Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
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49 |
} |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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50 |
|
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Port of Linux 2.6.28 for use with network simulation cradle.
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return node != NULL; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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52 |
} |
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Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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|
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Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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EXPORT_SYMBOL_GPL(inet6_csk_bind_conflict); |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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55 |
|
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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56 |
/* |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
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57 |
* request_sock (formerly open request) hash tables. |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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58 |
*/ |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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59 |
static u32 inet6_synq_hash(const struct in6_addr *raddr, const __be16 rport, |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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60 |
const u32 rnd, const u16 synq_hsize) |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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61 |
{ |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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62 |
u32 a = (__force u32)raddr->s6_addr32[0]; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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63 |
u32 b = (__force u32)raddr->s6_addr32[1]; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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64 |
u32 c = (__force u32)raddr->s6_addr32[2]; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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65 |
|
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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66 |
a += JHASH_GOLDEN_RATIO; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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67 |
b += JHASH_GOLDEN_RATIO; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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68 |
c += rnd; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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69 |
__jhash_mix(a, b, c); |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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70 |
|
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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a += (__force u32)raddr->s6_addr32[3]; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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72 |
b += (__force u32)rport; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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|
73 |
__jhash_mix(a, b, c); |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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74 |
|
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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75 |
return c & (synq_hsize - 1); |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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76 |
} |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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77 |
|
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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78 |
struct request_sock *inet6_csk_search_req(const struct sock *sk, |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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79 |
struct request_sock ***prevp, |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
80 |
const __be16 rport, |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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|
81 |
const struct in6_addr *raddr, |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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82 |
const struct in6_addr *laddr, |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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83 |
const int iif) |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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84 |
{ |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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85 |
const struct inet_connection_sock *icsk = inet_csk(sk); |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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86 |
struct listen_sock *lopt = icsk->icsk_accept_queue.listen_opt; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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87 |
struct request_sock *req, **prev; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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88 |
|
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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89 |
for (prev = &lopt->syn_table[inet6_synq_hash(raddr, rport, |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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90 |
lopt->hash_rnd, |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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91 |
lopt->nr_table_entries)]; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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92 |
(req = *prev) != NULL; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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93 |
prev = &req->dl_next) { |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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|
94 |
const struct inet6_request_sock *treq = inet6_rsk(req); |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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95 |
|
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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96 |
if (inet_rsk(req)->rmt_port == rport && |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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97 |
req->rsk_ops->family == AF_INET6 && |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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|
98 |
ipv6_addr_equal(&treq->rmt_addr, raddr) && |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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99 |
ipv6_addr_equal(&treq->loc_addr, laddr) && |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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|
100 |
(!treq->iif || treq->iif == iif)) { |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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101 |
WARN_ON(req->sk != NULL); |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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102 |
*prevp = prev; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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103 |
return req; |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
104 |
} |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
105 |
} |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
106 |
|
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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107 |
return NULL; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
108 |
} |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
109 |
|
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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110 |
EXPORT_SYMBOL_GPL(inet6_csk_search_req); |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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|
111 |
|
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
112 |
void inet6_csk_reqsk_queue_hash_add(struct sock *sk, |
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Port of Linux 2.6.28 for use with network simulation cradle.
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113 |
struct request_sock *req, |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
114 |
const unsigned long timeout) |
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Port of Linux 2.6.28 for use with network simulation cradle.
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|
115 |
{ |
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Port of Linux 2.6.28 for use with network simulation cradle.
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116 |
struct inet_connection_sock *icsk = inet_csk(sk); |
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117 |
struct listen_sock *lopt = icsk->icsk_accept_queue.listen_opt; |
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118 |
const u32 h = inet6_synq_hash(&inet6_rsk(req)->rmt_addr, |
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Port of Linux 2.6.28 for use with network simulation cradle.
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119 |
inet_rsk(req)->rmt_port, |
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Port of Linux 2.6.28 for use with network simulation cradle.
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120 |
lopt->hash_rnd, lopt->nr_table_entries); |
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Port of Linux 2.6.28 for use with network simulation cradle.
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121 |
|
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Port of Linux 2.6.28 for use with network simulation cradle.
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|
122 |
reqsk_queue_hash_req(&icsk->icsk_accept_queue, h, req, timeout); |
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Port of Linux 2.6.28 for use with network simulation cradle.
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123 |
inet_csk_reqsk_queue_added(sk, timeout); |
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|
124 |
} |
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125 |
|
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Port of Linux 2.6.28 for use with network simulation cradle.
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126 |
EXPORT_SYMBOL_GPL(inet6_csk_reqsk_queue_hash_add); |
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127 |
|
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|
128 |
void inet6_csk_addr2sockaddr(struct sock *sk, struct sockaddr * uaddr) |
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129 |
{ |
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130 |
struct ipv6_pinfo *np = inet6_sk(sk); |
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131 |
struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *) uaddr; |
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|
132 |
|
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133 |
sin6->sin6_family = AF_INET6; |
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134 |
ipv6_addr_copy(&sin6->sin6_addr, &np->daddr); |
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Port of Linux 2.6.28 for use with network simulation cradle.
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|
135 |
sin6->sin6_port = inet_sk(sk)->dport; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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136 |
/* We do not store received flowlabel for TCP */ |
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|
137 |
sin6->sin6_flowinfo = 0; |
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Port of Linux 2.6.28 for use with network simulation cradle.
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|
138 |
sin6->sin6_scope_id = 0; |
aa628870c1d3
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139 |
if (sk->sk_bound_dev_if && |
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Port of Linux 2.6.28 for use with network simulation cradle.
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|
140 |
ipv6_addr_type(&sin6->sin6_addr) & IPV6_ADDR_LINKLOCAL) |
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|
141 |
sin6->sin6_scope_id = sk->sk_bound_dev_if; |
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142 |
} |
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Port of Linux 2.6.28 for use with network simulation cradle.
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|
143 |
|
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Port of Linux 2.6.28 for use with network simulation cradle.
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|
144 |
EXPORT_SYMBOL_GPL(inet6_csk_addr2sockaddr); |
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|
145 |
|
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|
146 |
static inline |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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147 |
void __inet6_csk_dst_store(struct sock *sk, struct dst_entry *dst, |
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|
148 |
struct in6_addr *daddr, struct in6_addr *saddr) |
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149 |
{ |
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150 |
__ip6_dst_store(sk, dst, daddr, saddr); |
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|
151 |
|
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|
152 |
#ifdef CONFIG_XFRM |
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153 |
{ |
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|
154 |
struct rt6_info *rt = (struct rt6_info *)dst; |
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Port of Linux 2.6.28 for use with network simulation cradle.
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|
155 |
rt->rt6i_flow_cache_genid = atomic_read(&flow_cache_genid); |
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parents:
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|
156 |
} |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
157 |
#endif |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
158 |
} |
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Port of Linux 2.6.28 for use with network simulation cradle.
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|
159 |
|
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
160 |
static inline |
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Port of Linux 2.6.28 for use with network simulation cradle.
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|
161 |
struct dst_entry *__inet6_csk_dst_check(struct sock *sk, u32 cookie) |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
162 |
{ |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
163 |
struct dst_entry *dst; |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
164 |
|
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
165 |
dst = __sk_dst_check(sk, cookie); |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
166 |
|
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
diff
changeset
|
167 |
#ifdef CONFIG_XFRM |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
168 |
if (dst) { |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
169 |
struct rt6_info *rt = (struct rt6_info *)dst; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
170 |
if (rt->rt6i_flow_cache_genid != atomic_read(&flow_cache_genid)) { |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
diff
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|
171 |
sk->sk_dst_cache = NULL; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
172 |
dst_release(dst); |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
173 |
dst = NULL; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
diff
changeset
|
174 |
} |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
diff
changeset
|
175 |
} |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
diff
changeset
|
176 |
#endif |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
177 |
|
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
178 |
return dst; |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
179 |
} |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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changeset
|
180 |
|
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
diff
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|
181 |
int inet6_csk_xmit(struct sk_buff *skb, int ipfragok) |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
182 |
{ |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
diff
changeset
|
183 |
struct sock *sk = skb->sk; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
184 |
struct inet_sock *inet = inet_sk(sk); |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
diff
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|
185 |
struct ipv6_pinfo *np = inet6_sk(sk); |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
186 |
struct flowi fl; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
187 |
struct dst_entry *dst; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
188 |
struct in6_addr *final_p = NULL, final; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
189 |
|
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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changeset
|
190 |
memset(&fl, 0, sizeof(fl)); |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
191 |
fl.proto = sk->sk_protocol; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
192 |
ipv6_addr_copy(&fl.fl6_dst, &np->daddr); |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
193 |
ipv6_addr_copy(&fl.fl6_src, &np->saddr); |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
194 |
fl.fl6_flowlabel = np->flow_label; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
195 |
IP6_ECN_flow_xmit(sk, fl.fl6_flowlabel); |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
196 |
fl.oif = sk->sk_bound_dev_if; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
197 |
fl.fl_ip_sport = inet->sport; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
198 |
fl.fl_ip_dport = inet->dport; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
199 |
security_sk_classify_flow(sk, &fl); |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
200 |
|
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Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
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|
201 |
if (np->opt && np->opt->srcrt) { |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
202 |
struct rt0_hdr *rt0 = (struct rt0_hdr *)np->opt->srcrt; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
203 |
ipv6_addr_copy(&final, &fl.fl6_dst); |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
204 |
ipv6_addr_copy(&fl.fl6_dst, rt0->addr); |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
205 |
final_p = &final; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
206 |
} |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
207 |
|
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
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|
208 |
dst = __inet6_csk_dst_check(sk, np->dst_cookie); |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
diff
changeset
|
209 |
|
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
210 |
if (dst == NULL) { |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
diff
changeset
|
211 |
int err = ip6_dst_lookup(sk, &dst, &fl); |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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changeset
|
212 |
|
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
213 |
if (err) { |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
diff
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|
214 |
sk->sk_err_soft = -err; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
diff
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|
215 |
kfree_skb(skb); |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
diff
changeset
|
216 |
return err; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
diff
changeset
|
217 |
} |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
diff
changeset
|
218 |
|
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
diff
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|
219 |
if (final_p) |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
diff
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|
220 |
ipv6_addr_copy(&fl.fl6_dst, final_p); |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
221 |
|
2 | 222 |
if ((err = xfrm_lookup(sock_net(sk), &dst, &fl, sk, 0)) < 0) { |
0
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
223 |
sk->sk_route_caps = 0; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
224 |
kfree_skb(skb); |
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Port of Linux 2.6.28 for use with network simulation cradle.
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return err; |
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} |
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Port of Linux 2.6.28 for use with network simulation cradle.
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|
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Port of Linux 2.6.28 for use with network simulation cradle.
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__inet6_csk_dst_store(sk, dst, NULL, NULL); |
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Port of Linux 2.6.28 for use with network simulation cradle.
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} |
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Port of Linux 2.6.28 for use with network simulation cradle.
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skb->dst = dst_clone(dst); |
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/* Restore final destination back after routing done */ |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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ipv6_addr_copy(&fl.fl6_dst, &np->daddr); |
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Port of Linux 2.6.28 for use with network simulation cradle.
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return ip6_xmit(sk, skb, &fl, np->opt, 0); |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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} |
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Port of Linux 2.6.28 for use with network simulation cradle.
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Port of Linux 2.6.28 for use with network simulation cradle.
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EXPORT_SYMBOL_GPL(inet6_csk_xmit); |