Release 4.12 include/net/inet6_hashtables.h
/*
* INET An implementation of the TCP/IP protocol suite for the LINUX
* operating system. INET is implemented using the BSD Socket
* interface as the means of communication with the user level.
*
* Authors: Lotsa people, from code originally in tcp
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*/
#ifndef _INET6_HASHTABLES_H
#define _INET6_HASHTABLES_H
#if IS_ENABLED(CONFIG_IPV6)
#include <linux/in6.h>
#include <linux/ipv6.h>
#include <linux/types.h>
#include <linux/jhash.h>
#include <net/inet_sock.h>
#include <net/ipv6.h>
#include <net/netns/hash.h>
struct inet_hashinfo;
static inline unsigned int __inet6_ehashfn(const u32 lhash,
const u16 lport,
const u32 fhash,
const __be16 fport,
const u32 initval)
{
const u32 ports = (((u32)lport) << 16) | (__force u32)fport;
return jhash_3words(lhash, fhash, ports, initval);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Arnaldo Carvalho de Melo | 24 | 39.34% | 1 | 16.67% |
| Hannes Frederic Sowa | 13 | 21.31% | 1 | 16.67% |
| Eric Dumazet | 11 | 18.03% | 2 | 33.33% |
| David S. Miller | 9 | 14.75% | 1 | 16.67% |
| Al Viro | 4 | 6.56% | 1 | 16.67% |
| Total | 61 | 100.00% | 6 | 100.00% |
/*
* Sockets in TCP_CLOSE state are _always_ taken out of the hash, so
* we need not check it for TCP lookups anymore, thanks Alexey. -DaveM
*
* The sockhash lock must be held as a reader here.
*/
struct sock *__inet6_lookup_established(struct net *net,
struct inet_hashinfo *hashinfo,
const struct in6_addr *saddr,
const __be16 sport,
const struct in6_addr *daddr,
const u16 hnum, const int dif);
struct sock *inet6_lookup_listener(struct net *net,
struct inet_hashinfo *hashinfo,
struct sk_buff *skb, int doff,
const struct in6_addr *saddr,
const __be16 sport,
const struct in6_addr *daddr,
const unsigned short hnum, const int dif);
static inline struct sock *__inet6_lookup(struct net *net,
struct inet_hashinfo *hashinfo,
struct sk_buff *skb, int doff,
const struct in6_addr *saddr,
const __be16 sport,
const struct in6_addr *daddr,
const u16 hnum,
const int dif,
bool *refcounted)
{
struct sock *sk = __inet6_lookup_established(net, hashinfo, saddr,
sport, daddr, hnum, dif);
*refcounted = true;
if (sk)
return sk;
*refcounted = false;
return inet6_lookup_listener(net, hashinfo, skb, doff, saddr, sport,
daddr, hnum, dif);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Arnaldo Carvalho de Melo | 76 | 65.52% | 1 | 16.67% |
| Eric Dumazet | 14 | 12.07% | 1 | 16.67% |
| Craig Gallek | 12 | 10.34% | 1 | 16.67% |
| Pavel Emelyanov | 9 | 7.76% | 1 | 16.67% |
| Tom Herbert | 4 | 3.45% | 1 | 16.67% |
| Al Viro | 1 | 0.86% | 1 | 16.67% |
| Total | 116 | 100.00% | 6 | 100.00% |
static inline struct sock *__inet6_lookup_skb(struct inet_hashinfo *hashinfo,
struct sk_buff *skb, int doff,
const __be16 sport,
const __be16 dport,
int iif,
bool *refcounted)
{
struct sock *sk = skb_steal_sock(skb);
*refcounted = true;
if (sk)
return sk;
return __inet6_lookup(dev_net(skb_dst(skb)->dev), hashinfo, skb,
doff, &ipv6_hdr(skb)->saddr, sport,
&ipv6_hdr(skb)->daddr, ntohs(dport),
iif, refcounted);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Arnaldo Carvalho de Melo | 64 | 60.38% | 1 | 14.29% |
| Eric Dumazet | 23 | 21.70% | 4 | 57.14% |
| KOVACS Krisztian | 12 | 11.32% | 1 | 14.29% |
| Craig Gallek | 7 | 6.60% | 1 | 14.29% |
| Total | 106 | 100.00% | 7 | 100.00% |
struct sock *inet6_lookup(struct net *net, struct inet_hashinfo *hashinfo,
struct sk_buff *skb, int doff,
const struct in6_addr *saddr, const __be16 sport,
const struct in6_addr *daddr, const __be16 dport,
const int dif);
int inet6_hash(struct sock *sk);
#endif /* IS_ENABLED(CONFIG_IPV6) */
#define INET6_MATCH(__sk, __net, __saddr, __daddr, __ports, __dif) \
(((__sk)->sk_portpair == (__ports)) && \
((__sk)->sk_family == AF_INET6) && \
ipv6_addr_equal(&(__sk)->sk_v6_daddr, (__saddr)) && \
ipv6_addr_equal(&(__sk)->sk_v6_rcv_saddr, (__daddr)) && \
(!(__sk)->sk_bound_dev_if || \
((__sk)->sk_bound_dev_if == (__dif))) && \
net_eq(sock_net(__sk), (__net)))
#endif /* _INET6_HASHTABLES_H */
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Arnaldo Carvalho de Melo | 289 | 58.86% | 3 | 14.29% |
| Eric Dumazet | 50 | 10.18% | 7 | 33.33% |
| Craig Gallek | 44 | 8.96% | 2 | 9.52% |
| Pavel Emelyanov | 27 | 5.50% | 2 | 9.52% |
| Américo Wang | 18 | 3.67% | 1 | 4.76% |
| David S. Miller | 15 | 3.05% | 1 | 4.76% |
| Tom Herbert | 14 | 2.85% | 1 | 4.76% |
| Hannes Frederic Sowa | 13 | 2.65% | 1 | 4.76% |
| KOVACS Krisztian | 12 | 2.44% | 1 | 4.76% |
| Al Viro | 8 | 1.63% | 1 | 4.76% |
| Denys Vlasenko | 1 | 0.20% | 1 | 4.76% |
| Total | 491 | 100.00% | 21 | 100.00% |
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