*/
struct sk_buff *arp_create(int type, int ptype, __be32 dest_ip,
struct net_device *dev, __be32 src_ip,
- unsigned char *dest_hw, unsigned char *src_hw,
- unsigned char *target_hw)
+ const unsigned char *dest_hw,
+ const unsigned char *src_hw,
+ const unsigned char *target_hw)
{
struct sk_buff *skb;
struct arphdr *arp;
* Allocate a buffer
*/
- skb = alloc_skb(sizeof(struct arphdr)+ 2*(dev->addr_len+4)
- + LL_RESERVED_SPACE(dev), GFP_ATOMIC);
+ skb = alloc_skb(arp_hdr_len(dev) + LL_RESERVED_SPACE(dev), GFP_ATOMIC);
if (skb == NULL)
return NULL;
skb_reserve(skb, LL_RESERVED_SPACE(dev));
skb_reset_network_header(skb);
- arp = (struct arphdr *) skb_put(skb,sizeof(struct arphdr) + 2*(dev->addr_len+4));
+ arp = (struct arphdr *) skb_put(skb, arp_hdr_len(dev));
skb->dev = dev;
skb->protocol = htons(ETH_P_ARP);
if (src_hw == NULL)
*/
void arp_send(int type, int ptype, __be32 dest_ip,
struct net_device *dev, __be32 src_ip,
- unsigned char *dest_hw, unsigned char *src_hw,
- unsigned char *target_hw)
+ const unsigned char *dest_hw, const unsigned char *src_hw,
+ const unsigned char *target_hw)
{
struct sk_buff *skb;
goto freeskb;
/* ARP header, plus 2 device addresses, plus 2 IP addresses. */
- if (!pskb_may_pull(skb, (sizeof(struct arphdr) +
- (2 * dev->addr_len) +
- (2 * sizeof(u32)))))
+ if (!pskb_may_pull(skb, arp_hdr_len(dev)))
goto freeskb;
arp = arp_hdr(skb);