#include <linux/spinlock.h>
#include <linux/rcupdate.h>
+#include <net/net_namespace.h>
#include <net/syncppp.h>
#include <asm/byteorder.h>
struct ppp_header {
u8 address;
u8 control;
- u16 protocol;
+ __be16 protocol;
};
#define PPP_HEADER_LEN sizeof (struct ppp_header)
struct lcp_header {
u8 type;
u8 ident;
- u16 len;
+ __be16 len;
};
#define LCP_HEADER_LEN sizeof (struct lcp_header)
struct cisco_packet {
- u32 type;
- u32 par1;
- u32 par2;
- u16 rel;
- u16 time0;
- u16 time1;
+ __be32 type;
+ __be32 par1;
+ __be32 par2;
+ __be16 rel;
+ __be16 time0;
+ __be16 time1;
};
#define CISCO_PACKET_LEN 18
#define CISCO_BIG_PACKET_LEN 20
static void sppp_keepalive (unsigned long dummy);
static void sppp_cp_send (struct sppp *sp, u16 proto, u8 type,
u8 ident, u16 len, void *data);
-static void sppp_cisco_send (struct sppp *sp, int type, long par1, long par2);
+static void sppp_cisco_send (struct sppp *sp, int type, u32 par1, u32 par2);
static void sppp_lcp_input (struct sppp *sp, struct sk_buff *m);
static void sppp_cisco_input (struct sppp *sp, struct sk_buff *m);
static void sppp_ipcp_input (struct sppp *sp, struct sk_buff *m);
skb->dev=dev;
skb_reset_mac_header(skb);
- if (dev->flags & IFF_RUNNING)
- {
- /* Count received bytes, add FCS and one flag */
- sp->ibytes+= skb->len + 3;
- sp->ipkts++;
- }
-
if (!pskb_may_pull(skb, PPP_HEADER_LEN)) {
/* Too small packet, drop it. */
if (sp->pp_flags & PP_DEBUG)
* Handle transmit packets.
*/
-static int sppp_hard_header(struct sk_buff *skb, struct net_device *dev, __u16 type,
- void *daddr, void *saddr, unsigned int len)
+static int sppp_hard_header(struct sk_buff *skb,
+ struct net_device *dev, __u16 type,
+ const void *daddr, const void *saddr,
+ unsigned int len)
{
struct sppp *sp = (struct sppp *)sppp_of(dev);
struct ppp_header *h;
return sizeof(struct ppp_header);
}
-static int sppp_rebuild_header(struct sk_buff *skb)
-{
- return 0;
-}
+static const struct header_ops sppp_header_ops = {
+ .create = sppp_hard_header,
+};
/*
* Send keepalive packets, every 10 seconds.
sppp_cisco_send (sp, CISCO_KEEPALIVE_REQ, ++sp->pp_seq,
sp->pp_rseq);
else if (sp->lcp.state == LCP_STATE_OPENED) {
- long nmagic = htonl (sp->lcp.magic);
+ __be32 nmagic = htonl (sp->lcp.magic);
sp->lcp.echoid = ++sp->pp_seq;
sppp_cp_send (sp, PPP_LCP, LCP_ECHO_REQ,
sp->lcp.echoid, 4, &nmagic);
dev->name, len);
break;
}
- if (ntohl (*(long*)(h+1)) == sp->lcp.magic) {
+ if (ntohl (*(__be32*)(h+1)) == sp->lcp.magic) {
/* Line loopback mode detected. */
printk (KERN_WARNING "%s: loopback\n", dev->name);
if_down (dev);
sppp_lcp_open (sp);
break;
}
- *(long*)(h+1) = htonl (sp->lcp.magic);
+ *(__be32 *)(h+1) = htonl (sp->lcp.magic);
sppp_cp_send (sp, PPP_LCP, LCP_ECHO_REPLY, h->ident, len-4, h+1);
break;
case LCP_ECHO_REPLY:
dev->name, len);
break;
}
- if (ntohl (*(long*)(h+1)) != sp->lcp.magic)
+ if (ntohl(*(__be32 *)(h+1)) != sp->lcp.magic)
sp->pp_alivecnt = 0;
break;
}
{
struct in_device *in_dev;
struct in_ifaddr *ifa;
- __be32 addr = 0, mask = ~0; /* FIXME: is the mask correct? */
+ __be32 addr = 0, mask = htonl(~0U); /* FIXME: is the mask correct? */
#ifdef CONFIG_INET
rcu_read_lock();
if ((in_dev = __in_dev_get_rcu(dev)) != NULL)
}
rcu_read_unlock();
#endif
- /* I hope both addr and mask are in the net order */
- sppp_cisco_send (sp, CISCO_ADDR_REPLY, addr, mask);
+ sppp_cisco_send (sp, CISCO_ADDR_REPLY, ntohl(addr), ntohl(mask));
break;
}
}
sppp_print_bytes ((u8*) (lh+1), len);
printk (">\n");
}
- sp->obytes += skb->len;
/* Control is high priority so it doesn't get queued behind data */
skb->priority=TC_PRIO_CONTROL;
skb->dev = dev;
* Send Cisco keepalive packet.
*/
-static void sppp_cisco_send (struct sppp *sp, int type, long par1, long par2)
+static void sppp_cisco_send (struct sppp *sp, int type, u32 par1, u32 par2)
{
struct ppp_header *h;
struct cisco_packet *ch;
ch->type = htonl (type);
ch->par1 = htonl (par1);
ch->par2 = htonl (par2);
- ch->rel = -1;
+ ch->rel = htons(0xffff);
ch->time0 = htons ((u16) (t >> 16));
ch->time1 = htons ((u16) t);
printk (KERN_WARNING "%s: cisco output: <%xh %xh %xh %xh %xh-%xh>\n",
dev->name, ntohl (ch->type), ch->par1,
ch->par2, ch->rel, ch->time0, ch->time1);
- sp->obytes += skb->len;
skb->priority=TC_PRIO_CONTROL;
skb->dev = dev;
skb_queue_tail(&tx_queue, skb);
* hard_start_xmit.
*/
- dev->hard_header = sppp_hard_header;
- dev->rebuild_header = sppp_rebuild_header;
+ dev->header_ops = &sppp_header_ops;
+
dev->tx_queue_len = 10;
dev->type = ARPHRD_HDLC;
dev->addr_len = 0;
dev->stop = sppp_close;
#endif
dev->change_mtu = sppp_change_mtu;
- dev->hard_header_cache = NULL;
- dev->header_cache_update = NULL;
dev->flags = IFF_MULTICAST|IFF_POINTOPOINT|IFF_NOARP;
}
static int sppp_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *p, struct net_device *orig_dev)
{
+ if (dev_net(dev) != &init_net) {
+ kfree_skb(skb);
+ return 0;
+ }
+
if ((skb = skb_share_check(skb, GFP_ATOMIC)) == NULL)
return NET_RX_DROP;
sppp_input(dev,skb);