With this the previous setup is back, i.e. tcp_diag can be built as a module,
as dccp_diag and both share the infrastructure available in inet_diag.
If one selects CONFIG_INET_DIAG as module CONFIG_INET_TCP_DIAG will also be
built as a module, as will CONFIG_INET_DCCP_DIAG, if CONFIG_IP_DCCP was
selected static or as a module, if CONFIG_INET_DIAG is y, being statically
linked CONFIG_INET_TCP_DIAG will follow suit and CONFIG_INET_DCCP_DIAG will be
built in the same manner as CONFIG_IP_DCCP.
Now to aim at UDP, converting it to use inet_hashinfo, so that we can use
iproute2 for UDP sockets as well.
Ah, just to show an example of this new infrastructure working for DCCP :-)
[root@qemu ~]# ./ss -dane
State Recv-Q Send-Q Local Address:Port Peer Address:Port
LISTEN 0 0 *:5001 *:* ino:942 sk:
cfd503a0
ESTAB 0 0 127.0.0.1:5001 127.0.0.1:32770 ino:943 sk:
cfd50a60
ESTAB 0 0 127.0.0.1:32770 127.0.0.1:5001 ino:947 sk:
cfd50700
TIME-WAIT 0 0 127.0.0.1:32769 127.0.0.1:5001 timer:(timewait,3.430ms,0) ino:0 sk:
cf209620
Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
extern unsigned int tcp_sync_mss(struct sock *sk, u32 pmtu);
extern unsigned int tcp_current_mss(struct sock *sk, int large);
-/* tcp_diag.c */
+/* tcp.c */
extern void tcp_get_info(struct sock *, struct tcp_info *);
/* Read 'sendfile()'-style from a TCP socket */
If in doubt, say N.
-config IP_DCCP_DIAG
- depends on IP_DCCP && IP_INET_DIAG
- def_tristate y if (IP_DCCP = y && IP_INET_DIAG = y)
+config INET_DCCP_DIAG
+ depends on IP_DCCP && INET_DIAG
+ def_tristate y if (IP_DCCP = y && INET_DIAG = y)
def_tristate m
source "net/dccp/ccids/Kconfig"
dccp-y := ccid.o input.o ipv4.o minisocks.o options.o output.o proto.o \
timer.o packet_history.o
-obj-$(CONFIG_IP_DCCP_DIAG) += dccp_diag.o
-
-obj-y += ccids/
+obj-$(CONFIG_INET_DCCP_DIAG) += dccp_diag.o
dccp_diag-y := diag.o
+
+obj-y += ccids/
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
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---
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
}
}
-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)
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;
--- /dev/null
+/*
+ * 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");
projects / linux-2.6 / commitdiff