Release 4.8 net/ipv4/tcp_diag.c
/*
* tcp_diag.c Module for monitoring TCP transport protocols sockets.
*
* Authors: Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru>
*
* 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.
*/
#include <linux/module.h>
#include <linux/net.h>
#include <linux/sock_diag.h>
#include <linux/inet_diag.h>
#include <linux/tcp.h>
#include <net/tcp.h>
static void tcp_diag_get_info(struct sock *sk, struct inet_diag_msg *r,
void *_info)
{
struct tcp_info *info = _info;
if (sk_state_load(sk) == TCP_LISTEN) {
r->idiag_rqueue = sk->sk_ack_backlog;
r->idiag_wqueue = sk->sk_max_ack_backlog;
} else if (sk->sk_type == SOCK_STREAM) {
const struct tcp_sock *tp = tcp_sk(sk);
r->idiag_rqueue = max_t(int, tp->rcv_nxt - tp->copied_seq, 0);
r->idiag_wqueue = tp->write_seq - tp->snd_una;
}
if (info)
tcp_get_info(sk, info);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| arnaldo carvalho de melo | arnaldo carvalho de melo | 62 | 52.54% | 1 | 16.67% |
| craig gallek | craig gallek | 20 | 16.95% | 1 | 16.67% |
| sridhar samudrala | sridhar samudrala | 14 | 11.86% | 1 | 16.67% |
| rick jones | rick jones | 12 | 10.17% | 1 | 16.67% |
| eric dumazet | eric dumazet | 10 | 8.47% | 2 | 33.33% |
| Total | 118 | 100.00% | 6 | 100.00% |
static void tcp_diag_dump(struct sk_buff *skb, struct netlink_callback *cb,
const struct inet_diag_req_v2 *r, struct nlattr *bc)
{
inet_diag_dump_icsk(&tcp_hashinfo, skb, cb, r, bc);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| pavel emelianov | pavel emelianov | 40 | 97.56% | 2 | 66.67% |
| eric dumazet | eric dumazet | 1 | 2.44% | 1 | 33.33% |
| Total | 41 | 100.00% | 3 | 100.00% |
static int tcp_diag_dump_one(struct sk_buff *in_skb, const struct nlmsghdr *nlh,
const struct inet_diag_req_v2 *req)
{
return inet_diag_dump_one_icsk(&tcp_hashinfo, in_skb, nlh, req);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| pavel emelianov | pavel emelianov | 35 | 97.22% | 2 | 66.67% |
| eric dumazet | eric dumazet | 1 | 2.78% | 1 | 33.33% |
| Total | 36 | 100.00% | 3 | 100.00% |
#ifdef CONFIG_INET_DIAG_DESTROY
static int tcp_diag_destroy(struct sk_buff *in_skb,
const struct inet_diag_req_v2 *req)
{
struct net *net = sock_net(in_skb->sk);
struct sock *sk = inet_diag_find_one_icsk(net, &tcp_hashinfo, req);
int err;
if (IS_ERR(sk))
return PTR_ERR(sk);
err = sock_diag_destroy(sk, ECONNABORTED);
sock_gen_put(sk);
return err;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| lorenzo colitti | lorenzo colitti | 64 | 83.12% | 1 | 50.00% |
| david ahern | david ahern | 13 | 16.88% | 1 | 50.00% |
| Total | 77 | 100.00% | 2 | 100.00% |
#endif
static const struct inet_diag_handler tcp_diag_handler = {
.dump = tcp_diag_dump,
.dump_one = tcp_diag_dump_one,
.idiag_get_info = tcp_diag_get_info,
.idiag_type = IPPROTO_TCP,
.idiag_info_size = sizeof(struct tcp_info),
#ifdef CONFIG_INET_DIAG_DESTROY
.destroy = tcp_diag_destroy,
#endif
};
static int __init tcp_diag_init(void)
{
return inet_diag_register(&tcp_diag_handler);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| arnaldo carvalho de melo | arnaldo carvalho de melo | 16 | 100.00% | 1 | 100.00% |
| Total | 16 | 100.00% | 1 | 100.00% |
static void __exit tcp_diag_exit(void)
{
inet_diag_unregister(&tcp_diag_handler);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| arnaldo carvalho de melo | arnaldo carvalho de melo | 15 | 100.00% | 1 | 100.00% |
| Total | 15 | 100.00% | 1 | 100.00% |
module_init(tcp_diag_init);
module_exit(tcp_diag_exit);
MODULE_LICENSE("GPL");
MODULE_ALIAS_NET_PF_PROTO_TYPE(PF_NETLINK, NETLINK_SOCK_DIAG, 2-6 /* AF_INET - IPPROTO_TCP */);
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| arnaldo carvalho de melo | arnaldo carvalho de melo | 138 | 34.33% | 1 | 5.56% |
| pavel emelianov | pavel emelianov | 88 | 21.89% | 5 | 27.78% |
| lorenzo colitti | lorenzo colitti | 87 | 21.64% | 1 | 5.56% |
| craig gallek | craig gallek | 29 | 7.21% | 2 | 11.11% |
| sridhar samudrala | sridhar samudrala | 14 | 3.48% | 1 | 5.56% |
| eric dumazet | eric dumazet | 13 | 3.23% | 4 | 22.22% |
| david ahern | david ahern | 13 | 3.23% | 1 | 5.56% |
| rick jones | rick jones | 12 | 2.99% | 1 | 5.56% |
| jean delvare | jean delvare | 7 | 1.74% | 1 | 5.56% |
| adrian bunk | adrian bunk | 1 | 0.25% | 1 | 5.56% |
| Total | 402 | 100.00% | 18 | 100.00% |
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