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/*
* 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.
*
* This file implements the various access functions for the
* PROC file system. This is very similar to the IPv4 version,
* except it reports the sockets in the INET6 address family.
*
* Version: $Id: proc.c,v 1.4 1997/04/20 22:50:44 schenk Exp $
*
* Authors: David S. Miller (davem@caip.rutgers.edu)
*
* 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/sched.h>
#include <linux/socket.h>
#include <linux/net.h>
#include <linux/in6.h>
#include <net/sock.h>
#include <net/transp_v6.h>
/* This is the main implementation workhorse of all these routines. */
static int get__netinfo6(struct proto *pro, char *buffer, int format, char **start,
off_t offset, int length)
{
struct sock *sp;
struct tcp_opt *tp;
int timer_active, timer_active1, timer_active2;
unsigned long timer_expires;
struct in6_addr *dest, *src;
unsigned short destp, srcp;
int len = 0, i = 0;
off_t pos = 0;
off_t begin;
char tmpbuf[150];
if(offset < 149)
len += sprintf(buffer, "%-148s\n",
" sl " /* 6 */
"local_address " /* 38 */
"remote_address " /* 38 */
"st tx_queue rx_queue tr tm->when retrnsmt" /* 41 */
" uid timeout inode"); /* 21 */
/*----*/
/*144 */
pos = 149;
SOCKHASH_LOCK();
sp = pro->sklist_next;
while(sp != (struct sock *)pro) {
pos += 149;
if(pos < offset)
goto next;
tp = &(sp->tp_pinfo.af_tcp);
dest = &sp->net_pinfo.af_inet6.daddr;
src = &sp->net_pinfo.af_inet6.rcv_saddr;
destp = ntohs(sp->dummy_th.dest);
srcp = ntohs(sp->dummy_th.source);
timer_active1 = del_timer(&tp->retransmit_timer);
timer_active2 = del_timer(&sp->timer);
if(!timer_active1) tp->retransmit_timer.expires = 0;
if(!timer_active2) sp->timer.expires = 0;
timer_active = 0;
timer_expires = (unsigned) -1;
if(timer_active1 && tp->retransmit_timer.expires < timer_expires) {
timer_active = timer_active1;
timer_expires = tp->retransmit_timer.expires;
}
if(timer_active2 && sp->timer.expires < timer_expires) {
timer_active = timer_active2;
timer_expires = sp->timer.expires;
}
sprintf(tmpbuf, "%4d: %08X%08X%08X%08X:%04X %08X%08X%08X%08X:%04X "
"%02X %08X:%08X %02X:%08lX %08X %5d %8d %ld",
i,
src->s6_addr32[0], src->s6_addr32[1],
src->s6_addr32[2], src->s6_addr32[3], srcp,
dest->s6_addr32[0], dest->s6_addr32[1],
dest->s6_addr32[2], dest->s6_addr32[3], destp,
sp->state,
format==0?sp->write_seq-tp->snd_una:atomic_read(&sp->wmem_alloc),
format==0?tp->rcv_nxt-sp->copied_seq:atomic_read(&sp->rmem_alloc),
timer_active, timer_expires-jiffies,
tp->retransmits,
sp->socket ? sp->socket->inode->i_uid:0,
timer_active?sp->timeout:0,
sp->socket ? sp->socket->inode->i_ino:0);
if(timer_active1) add_timer(&tp->retransmit_timer);
if(timer_active2) add_timer(&sp->timer);
len += sprintf(buffer+len, "%-148s\n", tmpbuf);
if(len >= length)
break;
next:
sp = sp->sklist_next;
i++;
}
SOCKHASH_UNLOCK();
begin = len - (pos - offset);
*start = buffer + begin;
len -= begin;
if(len > length)
len = length;
return len;
}
/* These get exported and registered with procfs in af_inet6.c at init time. */
int tcp6_get_info(char *buffer, char **start, off_t offset, int length, int dummy)
{
return get__netinfo6(&tcpv6_prot, buffer, 0, start, offset, length);
}
int udp6_get_info(char *buffer, char **start, off_t offset, int length, int dummy)
{
return get__netinfo6(&udpv6_prot, buffer, 1, start, offset, length);
}
int raw6_get_info(char *buffer, char **start, off_t offset, int length, int dummy)
{
return get__netinfo6(&rawv6_prot, buffer, 1, start, offset, length);
}
int afinet6_get_info(char *buffer, char **start, off_t offset, int length, int dummy)
{
int len = 0;
len += sprintf(buffer+len, "TCP6: inuse %d highest %d\n",
tcpv6_prot.inuse, tcpv6_prot.highestinuse);
len += sprintf(buffer+len, "UDP6: inuse %d highest %d\n",
udpv6_prot.inuse, udpv6_prot.highestinuse);
len += sprintf(buffer+len, "RAW6: inuse %d highest %d\n",
rawv6_prot.inuse, rawv6_prot.highestinuse);
*start = buffer + offset;
len -= offset;
if(len > length)
len = length;
return len;
}
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