Release 4.7 include/net/inet_timewait_sock.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.
*
* Definitions for a generic INET TIMEWAIT sock
*
* From code originally in net/tcp.h
*
* 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 _INET_TIMEWAIT_SOCK_
#define _INET_TIMEWAIT_SOCK_
#include <linux/kmemcheck.h>
#include <linux/list.h>
#include <linux/timer.h>
#include <linux/types.h>
#include <linux/workqueue.h>
#include <net/inet_sock.h>
#include <net/sock.h>
#include <net/tcp_states.h>
#include <net/timewait_sock.h>
#include <linux/atomic.h>
struct inet_hashinfo;
struct inet_timewait_death_row {
atomic_t tw_count;
struct inet_hashinfo *hashinfo ____cacheline_aligned_in_smp;
int sysctl_tw_recycle;
int sysctl_max_tw_buckets;
};
struct inet_bind_bucket;
/*
* This is a TIME_WAIT sock. It works around the memory consumption
* problems of sockets in such a state on heavily loaded servers, but
* without violating the protocol specification.
*/
struct inet_timewait_sock {
/*
* Now struct sock also uses sock_common, so please just
* don't add nothing before this first member (__tw_common) --acme
*/
struct sock_common __tw_common;
#define tw_family __tw_common.skc_family
#define tw_state __tw_common.skc_state
#define tw_reuse __tw_common.skc_reuse
#define tw_ipv6only __tw_common.skc_ipv6only
#define tw_bound_dev_if __tw_common.skc_bound_dev_if
#define tw_node __tw_common.skc_nulls_node
#define tw_bind_node __tw_common.skc_bind_node
#define tw_refcnt __tw_common.skc_refcnt
#define tw_hash __tw_common.skc_hash
#define tw_prot __tw_common.skc_prot
#define tw_net __tw_common.skc_net
#define tw_daddr __tw_common.skc_daddr
#define tw_v6_daddr __tw_common.skc_v6_daddr
#define tw_rcv_saddr __tw_common.skc_rcv_saddr
#define tw_v6_rcv_saddr __tw_common.skc_v6_rcv_saddr
#define tw_dport __tw_common.skc_dport
#define tw_num __tw_common.skc_num
#define tw_cookie __tw_common.skc_cookie
#define tw_dr __tw_common.skc_tw_dr
int tw_timeout;
volatile unsigned char tw_substate;
unsigned char tw_rcv_wscale;
/* Socket demultiplex comparisons on incoming packets. */
/* these three are in inet_sock */
__be16 tw_sport;
kmemcheck_bitfield_begin(flags);
/* And these are ours. */
unsigned int tw_kill : 1,
tw_transparent : 1,
tw_flowlabel : 20,
tw_pad : 2, /* 2 bits hole */
tw_tos : 8;
kmemcheck_bitfield_end(flags);
struct timer_list tw_timer;
struct inet_bind_bucket *tw_tb;
};
#define tw_tclass tw_tos
static inline struct inet_timewait_sock *inet_twsk(const struct sock *sk)
{
return (struct inet_timewait_sock *)sk;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| arnaldo carvalho de melo | arnaldo carvalho de melo | 23 | 100.00% | 1 | 100.00% |
| Total | 23 | 100.00% | 1 | 100.00% |
void inet_twsk_free(struct inet_timewait_sock *tw);
void inet_twsk_put(struct inet_timewait_sock *tw);
void inet_twsk_bind_unhash(struct inet_timewait_sock *tw,
struct inet_hashinfo *hashinfo);
struct inet_timewait_sock *inet_twsk_alloc(const struct sock *sk,
struct inet_timewait_death_row *dr,
const int state);
void __inet_twsk_hashdance(struct inet_timewait_sock *tw, struct sock *sk,
struct inet_hashinfo *hashinfo);
void __inet_twsk_schedule(struct inet_timewait_sock *tw, int timeo,
bool rearm);
static inline void inet_twsk_schedule(struct inet_timewait_sock *tw, int timeo)
{
__inet_twsk_schedule(tw, timeo, false);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| eric dumazet | eric dumazet | 23 | 95.83% | 1 | 50.00% |
| raanan avargil | raanan avargil | 1 | 4.17% | 1 | 50.00% |
| Total | 24 | 100.00% | 2 | 100.00% |
static inline void inet_twsk_reschedule(struct inet_timewait_sock *tw, int timeo)
{
__inet_twsk_schedule(tw, timeo, true);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| eric dumazet | eric dumazet | 23 | 95.83% | 1 | 50.00% |
| raanan avargil | raanan avargil | 1 | 4.17% | 1 | 50.00% |
| Total | 24 | 100.00% | 2 | 100.00% |
void inet_twsk_deschedule_put(struct inet_timewait_sock *tw);
void inet_twsk_purge(struct inet_hashinfo *hashinfo,
struct inet_timewait_death_row *twdr, int family);
static inline
struct net *twsk_net(const struct inet_timewait_sock *twsk)
{
return read_pnet(&twsk->tw_net);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| hideaki yoshifuji | hideaki yoshifuji | 20 | 83.33% | 1 | 33.33% |
| eric dumazet | eric dumazet | 2 | 8.33% | 1 | 33.33% |
| eric w. biederman | eric w. biederman | 2 | 8.33% | 1 | 33.33% |
| Total | 24 | 100.00% | 3 | 100.00% |
static inline
void twsk_net_set(struct inet_timewait_sock *twsk, struct net *net)
{
write_pnet(&twsk->tw_net, net);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| hideaki yoshifuji | hideaki yoshifuji | 22 | 81.48% | 1 | 33.33% |
| eric w. biederman | eric w. biederman | 3 | 11.11% | 1 | 33.33% |
| eric dumazet | eric dumazet | 2 | 7.41% | 1 | 33.33% |
| Total | 27 | 100.00% | 3 | 100.00% |
#endif /* _INET_TIMEWAIT_SOCK_ */
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| arnaldo carvalho de melo | arnaldo carvalho de melo | 211 | 46.68% | 8 | 21.05% |
| eric dumazet | eric dumazet | 144 | 31.86% | 18 | 47.37% |
| hideaki yoshifuji | hideaki yoshifuji | 42 | 9.29% | 1 | 2.63% |
| daniel lezcano | daniel lezcano | 17 | 3.76% | 1 | 2.63% |
| vegard nossum | vegard nossum | 12 | 2.65% | 1 | 2.63% |
| eric w. biederman | eric w. biederman | 9 | 1.99% | 2 | 5.26% |
| florent fourcot | florent fourcot | 6 | 1.33% | 1 | 2.63% |
| kovacs krisztian | kovacs krisztian | 4 | 0.88% | 1 | 2.63% |
| raanan avargil | raanan avargil | 2 | 0.44% | 1 | 2.63% |
| randy dunlap | randy dunlap | 2 | 0.44% | 1 | 2.63% |
| al viro | al viro | 1 | 0.22% | 1 | 2.63% |
| pavel emelianov | pavel emelianov | 1 | 0.22% | 1 | 2.63% |
| arun sharma | arun sharma | 1 | 0.22% | 1 | 2.63% |
| Total | 452 | 100.00% | 38 | 100.00% |
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