aboutsummaryrefslogtreecommitdiff
path: root/drivers/isdn/i4l/isdn_net.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/isdn/i4l/isdn_net.c')
-rw-r--r--drivers/isdn/i4l/isdn_net.c141
1 files changed, 67 insertions, 74 deletions
diff --git a/drivers/isdn/i4l/isdn_net.c b/drivers/isdn/i4l/isdn_net.c
index 1bfc55d7a26..4da81c13258 100644
--- a/drivers/isdn/i4l/isdn_net.c
+++ b/drivers/isdn/i4l/isdn_net.c
@@ -865,8 +865,8 @@ isdn_net_hangup(struct net_device *d)
}
typedef struct {
- unsigned short source;
- unsigned short dest;
+ __be16 source;
+ __be16 dest;
} ip_ports;
static void
@@ -890,15 +890,15 @@ isdn_net_log_skb(struct sk_buff * skb, isdn_net_local * lp)
proto = ETH_P_IP;
switch (lp->p_encap) {
case ISDN_NET_ENCAP_IPTYP:
- proto = ntohs(*(unsigned short *) &buf[0]);
+ proto = ntohs(*(__be16 *)&buf[0]);
p = &buf[2];
break;
case ISDN_NET_ENCAP_ETHER:
- proto = ntohs(*(unsigned short *) &buf[12]);
+ proto = ntohs(*(__be16 *)&buf[12]);
p = &buf[14];
break;
case ISDN_NET_ENCAP_CISCOHDLC:
- proto = ntohs(*(unsigned short *) &buf[2]);
+ proto = ntohs(*(__be16 *)&buf[2]);
p = &buf[4];
break;
#ifdef CONFIG_ISDN_PPP
@@ -942,18 +942,12 @@ isdn_net_log_skb(struct sk_buff * skb, isdn_net_local * lp)
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);
+ printk(KERN_INFO "OPEN: %pI4 -> %pI4%s\n",
+ p + 12, p + 16, addinfo);
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]);
+ printk(KERN_INFO "OPEN: ARP %pI4 -> *.*.*.* ?%pI4\n",
+ p + 14, p + 24);
break;
}
}
@@ -1361,7 +1355,7 @@ isdn_net_get_stats(struct net_device *dev)
* This is normal practice and works for any 'now in use' protocol.
*/
-static unsigned short
+static __be16
isdn_net_type_trans(struct sk_buff *skb, struct net_device *dev)
{
struct ethhdr *eth;
@@ -1539,15 +1533,16 @@ isdn_net_ciscohdlck_slarp_send_keepalive(unsigned long data)
p = skb_put(skb, 4 + 14);
/* cisco header */
- p += put_u8 (p, CISCO_ADDR_UNICAST);
- p += put_u8 (p, CISCO_CTRL);
- p += put_u16(p, CISCO_TYPE_SLARP);
+ *(u8 *)(p + 0) = CISCO_ADDR_UNICAST;
+ *(u8 *)(p + 1) = CISCO_CTRL;
+ *(__be16 *)(p + 2) = cpu_to_be16(CISCO_TYPE_SLARP);
/* slarp keepalive */
- p += put_u32(p, CISCO_SLARP_KEEPALIVE);
- p += put_u32(p, lp->cisco_myseq);
- p += put_u32(p, lp->cisco_yourseq);
- p += put_u16(p, 0xffff); // reliablity, always 0xffff
+ *(__be32 *)(p + 4) = cpu_to_be32(CISCO_SLARP_KEEPALIVE);
+ *(__be32 *)(p + 8) = cpu_to_be32(lp->cisco_myseq);
+ *(__be32 *)(p + 12) = cpu_to_be32(lp->cisco_yourseq);
+ *(__be16 *)(p + 16) = cpu_to_be16(0xffff); // reliablity, always 0xffff
+ p += 18;
isdn_net_write_super(lp, skb);
@@ -1569,15 +1564,16 @@ isdn_net_ciscohdlck_slarp_send_request(isdn_net_local *lp)
p = skb_put(skb, 4 + 14);
/* cisco header */
- p += put_u8 (p, CISCO_ADDR_UNICAST);
- p += put_u8 (p, CISCO_CTRL);
- p += put_u16(p, CISCO_TYPE_SLARP);
+ *(u8 *)(p + 0) = CISCO_ADDR_UNICAST;
+ *(u8 *)(p + 1) = CISCO_CTRL;
+ *(__be16 *)(p + 2) = cpu_to_be16(CISCO_TYPE_SLARP);
/* slarp request */
- p += put_u32(p, CISCO_SLARP_REQUEST);
- p += put_u32(p, 0); // address
- p += put_u32(p, 0); // netmask
- p += put_u16(p, 0); // unused
+ *(__be32 *)(p + 4) = cpu_to_be32(CISCO_SLARP_REQUEST);
+ *(__be32 *)(p + 8) = cpu_to_be32(0); // address
+ *(__be32 *)(p + 12) = cpu_to_be32(0); // netmask
+ *(__be16 *)(p + 16) = cpu_to_be16(0); // unused
+ p += 18;
isdn_net_write_super(lp, skb);
}
@@ -1634,18 +1630,17 @@ isdn_net_ciscohdlck_slarp_send_reply(isdn_net_local *lp)
p = skb_put(skb, 4 + 14);
/* cisco header */
- p += put_u8 (p, CISCO_ADDR_UNICAST);
- p += put_u8 (p, CISCO_CTRL);
- p += put_u16(p, CISCO_TYPE_SLARP);
+ *(u8 *)(p + 0) = CISCO_ADDR_UNICAST;
+ *(u8 *)(p + 1) = CISCO_CTRL;
+ *(__be16 *)(p + 2) = cpu_to_be16(CISCO_TYPE_SLARP);
/* slarp reply, send own ip/netmask; if values are nonsense remote
* should think we are unable to provide it with an address via SLARP */
- p += put_u32(p, CISCO_SLARP_REPLY);
- *(__be32 *)p = addr; // address
- p += 4;
- *(__be32 *)p = mask; // netmask
- p += 4;
- p += put_u16(p, 0); // unused
+ *(__be32 *)(p + 4) = cpu_to_be32(CISCO_SLARP_REPLY);
+ *(__be32 *)(p + 8) = addr; // address
+ *(__be32 *)(p + 12) = mask; // netmask
+ *(__be16 *)(p + 16) = cpu_to_be16(0); // unused
+ p += 18;
isdn_net_write_super(lp, skb);
}
@@ -1656,44 +1651,39 @@ isdn_net_ciscohdlck_slarp_in(isdn_net_local *lp, struct sk_buff *skb)
unsigned char *p;
int period;
u32 code;
- u32 my_seq, addr;
- u32 your_seq, mask;
- u32 local;
+ u32 my_seq;
+ u32 your_seq;
+ __be32 local;
+ __be32 *addr, *mask;
u16 unused;
if (skb->len < 14)
return;
p = skb->data;
- p += get_u32(p, &code);
-
+ code = be32_to_cpup((__be32 *)p);
+ p += 4;
+
switch (code) {
case CISCO_SLARP_REQUEST:
lp->cisco_yourseq = 0;
isdn_net_ciscohdlck_slarp_send_reply(lp);
break;
case CISCO_SLARP_REPLY:
- addr = ntohl(*(u32 *)p);
- mask = ntohl(*(u32 *)(p+4));
- if (mask != 0xfffffffc)
+ addr = (__be32 *)p;
+ mask = (__be32 *)(p + 4);
+ if (*mask != cpu_to_be32(0xfffffffc))
goto slarp_reply_out;
- if ((addr & 3) == 0 || (addr & 3) == 3)
+ if ((*addr & cpu_to_be32(3)) == cpu_to_be32(0) ||
+ (*addr & cpu_to_be32(3)) == cpu_to_be32(3))
goto slarp_reply_out;
- local = addr ^ 3;
- printk(KERN_INFO "%s: got slarp reply: "
- "remote ip: %d.%d.%d.%d, "
- "local ip: %d.%d.%d.%d "
- "mask: %d.%d.%d.%d\n",
- lp->netdev->dev->name,
- HIPQUAD(addr),
- HIPQUAD(local),
- HIPQUAD(mask));
+ local = *addr ^ cpu_to_be32(3);
+ printk(KERN_INFO "%s: got slarp reply: remote ip: %pI4, local ip: %pI4 mask: %pI4\n",
+ lp->netdev->dev->name, addr, &local, mask);
break;
slarp_reply_out:
- printk(KERN_INFO "%s: got invalid slarp "
- "reply (%d.%d.%d.%d/%d.%d.%d.%d) "
- "- ignored\n", lp->netdev->dev->name,
- HIPQUAD(addr), HIPQUAD(mask));
+ printk(KERN_INFO "%s: got invalid slarp reply (%pI4/%pI4) - ignored\n",
+ lp->netdev->dev->name, addr, mask);
break;
case CISCO_SLARP_KEEPALIVE:
period = (int)((jiffies - lp->cisco_last_slarp_in
@@ -1707,9 +1697,10 @@ isdn_net_ciscohdlck_slarp_in(isdn_net_local *lp, struct sk_buff *skb)
lp->cisco_keepalive_period);
}
lp->cisco_last_slarp_in = jiffies;
- p += get_u32(p, &my_seq);
- p += get_u32(p, &your_seq);
- p += get_u16(p, &unused);
+ my_seq = be32_to_cpup((__be32 *)(p + 0));
+ your_seq = be32_to_cpup((__be32 *)(p + 4));
+ unused = be16_to_cpup((__be16 *)(p + 8));
+ p += 10;
lp->cisco_yourseq = my_seq;
lp->cisco_mineseen = your_seq;
break;
@@ -1728,9 +1719,10 @@ isdn_net_ciscohdlck_receive(isdn_net_local *lp, struct sk_buff *skb)
goto out_free;
p = skb->data;
- p += get_u8 (p, &addr);
- p += get_u8 (p, &ctrl);
- p += get_u16(p, &type);
+ addr = *(u8 *)(p + 0);
+ ctrl = *(u8 *)(p + 1);
+ type = be16_to_cpup((__be16 *)(p + 2));
+ p += 4;
skb_pull(skb, 4);
if (addr != CISCO_ADDR_UNICAST && addr != CISCO_ADDR_BROADCAST) {
@@ -1825,7 +1817,7 @@ isdn_net_receive(struct net_device *ndev, struct sk_buff *skb)
/* IP with type field */
olp->huptimer = 0;
lp->huptimer = 0;
- skb->protocol = *(unsigned short *) &(skb->data[0]);
+ skb->protocol = *(__be16 *)&(skb->data[0]);
skb_pull(skb, 2);
if (*(unsigned short *) skb->data == 0xFFFF)
skb->protocol = htons(ETH_P_802_3);
@@ -1907,20 +1899,21 @@ static int isdn_net_header(struct sk_buff *skb, struct net_device *dev,
break;
case ISDN_NET_ENCAP_IPTYP:
/* ethernet type field */
- *((ushort *) skb_push(skb, 2)) = htons(type);
+ *((__be16 *)skb_push(skb, 2)) = htons(type);
len = 2;
break;
case ISDN_NET_ENCAP_UIHDLC:
/* HDLC with UI-Frames (for ispa with -h1 option) */
- *((ushort *) skb_push(skb, 2)) = htons(0x0103);
+ *((__be16 *)skb_push(skb, 2)) = htons(0x0103);
len = 2;
break;
case ISDN_NET_ENCAP_CISCOHDLC:
case ISDN_NET_ENCAP_CISCOHDLCK:
p = skb_push(skb, 4);
- p += put_u8 (p, CISCO_ADDR_UNICAST);
- p += put_u8 (p, CISCO_CTRL);
- p += put_u16(p, type);
+ *(u8 *)(p + 0) = CISCO_ADDR_UNICAST;
+ *(u8 *)(p + 1) = CISCO_CTRL;
+ *(__be16 *)(p + 2) = cpu_to_be16(type);
+ p += 4;
len = 4;
break;
#ifdef CONFIG_ISDN_X25
@@ -1985,7 +1978,7 @@ static void isdn_header_cache_update(struct hh_cache *hh,
{
isdn_net_local *lp = dev->priv;
if (lp->p_encap == ISDN_NET_ENCAP_ETHER)
- return eth_header_cache_update(hh, dev, haddr);
+ eth_header_cache_update(hh, dev, haddr);
}
static const struct header_ops isdn_header_ops = {
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-15 18:38:00 +0000