diff options
Diffstat (limited to 'net/ipv4')
| -rw-r--r-- | net/ipv4/Kconfig | 8 | ||||
| -rw-r--r-- | net/ipv4/Makefile | 3 | ||||
| -rw-r--r-- | net/ipv4/inet_diag.c | 27 | ||||
| -rw-r--r-- | net/ipv4/tcp_diag.c | 54 |
4 files changed, 63 insertions, 29 deletions
diff --git a/net/ipv4/Kconfig b/net/ipv4/Kconfig index 019e88d8f29e..e55136ae09f4 100644 --- a/net/ipv4/Kconfig +++ b/net/ipv4/Kconfig @@ -413,8 +413,8 @@ config INET_TUNNEL If unsure, say Y. -config IP_INET_DIAG - tristate "IP: INET socket monitoring interface" +config INET_DIAG + tristate "INET: socket monitoring interface" default y ---help--- Support for INET (TCP, DCCP, etc) socket monitoring interface used by @@ -423,6 +423,10 @@ config IP_INET_DIAG If unsure, say Y. +config INET_TCP_DIAG + depends on INET_DIAG + def_tristate INET_DIAG + config TCP_CONG_ADVANCED bool "TCP: advanced congestion control" ---help--- diff --git a/net/ipv4/Makefile b/net/ipv4/Makefile index fe5accbb56bf..f0435d00db6b 100644 --- a/net/ipv4/Makefile +++ b/net/ipv4/Makefile @@ -30,8 +30,9 @@ obj-$(CONFIG_IP_ROUTE_MULTIPATH_WRANDOM) += multipath_wrandom.o obj-$(CONFIG_IP_ROUTE_MULTIPATH_DRR) += multipath_drr.o obj-$(CONFIG_NETFILTER) += netfilter/ obj-$(CONFIG_IP_VS) += ipvs/ -obj-$(CONFIG_IP_INET_DIAG) += inet_diag.o +obj-$(CONFIG_INET_DIAG) += inet_diag.o obj-$(CONFIG_IP_ROUTE_MULTIPATH_CACHED) += multipath.o +obj-$(CONFIG_INET_TCP_DIAG) += tcp_diag.o obj-$(CONFIG_TCP_CONG_BIC) += tcp_bic.o obj-$(CONFIG_TCP_CONG_WESTWOOD) += tcp_westwood.o obj-$(CONFIG_TCP_CONG_HSTCP) += tcp_highspeed.o diff --git a/net/ipv4/inet_diag.c b/net/ipv4/inet_diag.c index 3bd510941da0..1880ad8575d8 100644 --- a/net/ipv4/inet_diag.c +++ b/net/ipv4/inet_diag.c @@ -797,25 +797,6 @@ static void inet_diag_rcv(struct sock *sk, int len) } } -static void tcp_diag_get_info(struct sock *sk, struct inet_diag_msg *r, - void *_info) -{ - const struct tcp_sock *tp = tcp_sk(sk); - struct tcp_info *info = _info; - - r->idiag_rqueue = tp->rcv_nxt - tp->copied_seq; - r->idiag_wqueue = tp->write_seq - tp->snd_una; - if (info != NULL) - tcp_get_info(sk, info); -} - -static struct inet_diag_handler tcp_diag_handler = { - .idiag_hashinfo = &tcp_hashinfo, - .idiag_get_info = tcp_diag_get_info, - .idiag_type = TCPDIAG_GETSOCK, - .idiag_info_size = sizeof(struct tcp_info), -}; - static DEFINE_SPINLOCK(inet_diag_register_lock); int inet_diag_register(const struct inet_diag_handler *h) @@ -864,19 +845,13 @@ static int __init inet_diag_init(void) goto out; memset(inet_diag_table, 0, inet_diag_table_size); - idiagnl = netlink_kernel_create(NETLINK_INET_DIAG, inet_diag_rcv, THIS_MODULE); if (idiagnl == NULL) goto out_free_table; - - err = inet_diag_register(&tcp_diag_handler); - if (err) - goto out_sock_release; + err = 0; out: return err; -out_sock_release: - sock_release(idiagnl->sk_socket); out_free_table: kfree(inet_diag_table); goto out; diff --git a/net/ipv4/tcp_diag.c b/net/ipv4/tcp_diag.c new file mode 100644 index 000000000000..c148c1081880 --- /dev/null +++ b/net/ipv4/tcp_diag.c @@ -0,0 +1,54 @@ +/* + * tcp_diag.c Module for monitoring TCP transport protocols sockets. + * + * Version: $Id: tcp_diag.c,v 1.3 2002/02/01 22:01:04 davem Exp $ + * + * 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/config.h> + +#include <linux/module.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) +{ + const struct tcp_sock *tp = tcp_sk(sk); + struct tcp_info *info = _info; + + r->idiag_rqueue = tp->rcv_nxt - tp->copied_seq; + r->idiag_wqueue = tp->write_seq - tp->snd_una; + if (info != NULL) + tcp_get_info(sk, info); +} + +static struct inet_diag_handler tcp_diag_handler = { + .idiag_hashinfo = &tcp_hashinfo, + .idiag_get_info = tcp_diag_get_info, + .idiag_type = TCPDIAG_GETSOCK, + .idiag_info_size = sizeof(struct tcp_info), +}; + +static int __init tcp_diag_init(void) +{ + return inet_diag_register(&tcp_diag_handler); +} + +static void __exit tcp_diag_exit(void) +{ + inet_diag_unregister(&tcp_diag_handler); +} + +module_init(tcp_diag_init); +module_exit(tcp_diag_exit); +MODULE_LICENSE("GPL"); |