Commit 61fa3328 authored by Kai Germaschewski's avatar Kai Germaschewski

ISDN: tidy up isdn_net_log_skb()

parent 13fad342
......@@ -646,9 +646,6 @@ isdn_net_handle_event(isdn_net_dev *idev, int pr, void *arg)
dbg_net_dial("%s: dialstate=%d pr=%#x\n", idev->name,
idev->dialstate, pr);
if (pr == ISDN_STAT_DHUP)
return 1; // FIXME
switch (idev->dialstate) {
case ST_ACTIVE:
return isdn_net_event_active(idev, pr, arg);
......@@ -695,96 +692,49 @@ isdn_net_hangup(isdn_net_dev *idev)
isdn_net_unbind_channel(idev);
}
typedef struct {
unsigned short source;
unsigned short dest;
} ip_ports;
static void
isdn_net_log_skb(struct sk_buff *skb, isdn_net_dev *idev)
{
isdn_net_local *mlp = idev->mlp;
u_char *p = skb->nh.raw; /* hopefully, this was set correctly */
unsigned char *p = skb->nh.raw; /* hopefully, this was set correctly */
unsigned short proto = ntohs(skb->protocol);
int data_ofs;
ip_ports *ipp;
struct ip_ports {
unsigned short source;
unsigned short dest;
} *ipp;
char addinfo[100];
addinfo[0] = '\0';
/* This check stolen from 2.1.72 dev_queue_xmit_nit() */
if (skb->nh.raw < skb->data || skb->nh.raw >= skb->tail) {
/* fall back to old isdn_net_log_packet method() */
char * buf = skb->data;
printk(KERN_DEBUG "isdn_net: protocol %04x is buggy, dev %s\n", skb->protocol, idev->name);
p = buf;
proto = ETH_P_IP;
switch (mlp->p_encap) {
case ISDN_NET_ENCAP_IPTYP:
proto = ntohs(*(unsigned short *) &buf[0]);
p = &buf[2];
break;
case ISDN_NET_ENCAP_ETHER:
proto = ntohs(*(unsigned short *) &buf[12]);
p = &buf[14];
break;
case ISDN_NET_ENCAP_CISCOHDLC:
proto = ntohs(*(unsigned short *) &buf[2]);
p = &buf[4];
break;
case ISDN_NET_ENCAP_SYNCPPP:
proto = ntohs(skb->protocol);
p = &buf[IPPP_MAX_HEADER];
break;
}
}
data_ofs = ((p[0] & 15) * 4);
switch (proto) {
case ETH_P_IP:
switch (p[9]) {
case 1:
strcpy(addinfo, " ICMP");
break;
case 2:
strcpy(addinfo, " IGMP");
break;
case 4:
strcpy(addinfo, " IPIP");
break;
case 6:
ipp = (ip_ports *) (&p[data_ofs]);
sprintf(addinfo, " TCP, port: %d -> %d", ntohs(ipp->source),
ntohs(ipp->dest));
break;
case 8:
strcpy(addinfo, " EGP");
break;
case 12:
strcpy(addinfo, " PUP");
break;
case 17:
ipp = (ip_ports *) (&p[data_ofs]);
sprintf(addinfo, " UDP, port: %d -> %d", ntohs(ipp->source),
ntohs(ipp->dest));
break;
case 22:
strcpy(addinfo, " IDP");
break;
}
printk(KERN_INFO
"OPEN: %d.%d.%d.%d -> %d.%d.%d.%d%s\n",
p[12], p[13], p[14], p[15],
p[16], p[17], p[18], p[19],
addinfo);
case ETH_P_IP:
switch (p[9]) {
case IPPROTO_ICMP:
strcpy(addinfo, "ICMP");
break;
case ETH_P_ARP:
printk(KERN_INFO
"OPEN: ARP %d.%d.%d.%d -> *.*.*.* ?%d.%d.%d.%d\n",
p[14], p[15], p[16], p[17],
p[24], p[25], p[26], p[27]);
case IPPROTO_TCP:
case IPPROTO_UDP:
ipp = (struct ip_ports *) (&p[data_ofs]);
sprintf(addinfo, "%s, port: %d -> %d",
p[9] == IPPROTO_TCP ? "TCP" : "UDP",
ntohs(ipp->source), ntohs(ipp->dest));
break;
default:
sprintf(addinfo, "type %d", p[9]);
}
printk(KERN_INFO
"OPEN: %u.%u.%u.%u -> %u.%u.%u.%u %s\n",
NIPQUAD(*(u32 *)(p + 12)), NIPQUAD(*(u32 *)(p + 16)),
addinfo);
break;
case ETH_P_ARP:
printk(KERN_INFO
"OPEN: ARP %d.%d.%d.%d -> *.*.*.* ?%d.%d.%d.%d\n",
NIPQUAD(*(u32 *)(p + 14)), NIPQUAD(*(u32 *)(p + 24)));
break;
default:
printk(KERN_INFO "OPEN: unknown proto %#x\n", proto);
}
}
......
......@@ -271,9 +271,9 @@ isdn_net_addif(char *name, isdn_net_local *mlp)
mlp->onhtime = 10;
mlp->dialmax = 1;
mlp->flags = ISDN_NET_CBHUP | ISDN_NET_DM_MANUAL;
mlp->cbdelay = 5 * HZ; /* Wait 5 secs before Callback */
mlp->dialtimeout = 60 * HZ;/* Wait 1 min for connection */
mlp->dialwait = 5 * HZ; /* Wait 5 sec. after failed dial */
mlp->cbdelay = 5 * HZ; /* Wait 5 secs before call-back */
mlp->dialtimeout = 60 * HZ;/* Wait 1 min for connection */
mlp->dialwait = 5 * HZ; /* Wait 5 sec. after failed dial */
INIT_LIST_HEAD(&mlp->phone[0]);
INIT_LIST_HEAD(&mlp->phone[1]);
dev = &mlp->dev;
......
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