diff options
Diffstat (limited to 'include/linux/if_arp.h')
| -rw-r--r-- | include/linux/if_arp.h | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/include/linux/if_arp.h b/include/linux/if_arp.h index 89b4614a4722..f563907ed776 100644 --- a/include/linux/if_arp.h +++ b/include/linux/if_arp.h @@ -33,7 +33,15 @@ static inline struct arphdr *arp_hdr(const struct sk_buff *skb) static inline int arp_hdr_len(struct net_device *dev) { - /* ARP header, plus 2 device addresses, plus 2 IP addresses. */ - return sizeof(struct arphdr) + (dev->addr_len + sizeof(u32)) * 2; + switch (dev->type) { +#if IS_ENABLED(CONFIG_FIREWIRE_NET) + case ARPHRD_IEEE1394: + /* ARP header, device address and 2 IP addresses */ + return sizeof(struct arphdr) + dev->addr_len + sizeof(u32) * 2; +#endif + default: + /* ARP header, plus 2 device addresses, plus 2 IP addresses. */ + return sizeof(struct arphdr) + (dev->addr_len + sizeof(u32)) * 2; + } } #endif /* _LINUX_IF_ARP_H */ |