diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/if_arp.h | 12 | ||||
| -rw-r--r-- | include/net/firewire.h | 25 |
2 files changed, 35 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 */ diff --git a/include/net/firewire.h b/include/net/firewire.h new file mode 100644 index 000000000000..31bcbfe7a220 --- /dev/null +++ b/include/net/firewire.h @@ -0,0 +1,25 @@ +#ifndef _NET_FIREWIRE_H +#define _NET_FIREWIRE_H + +/* Pseudo L2 address */ +#define FWNET_ALEN 16 +union fwnet_hwaddr { + u8 u[FWNET_ALEN]; + /* "Hardware address" defined in RFC2734/RF3146 */ + struct { + __be64 uniq_id; /* EUI-64 */ + u8 max_rec; /* max packet size */ + u8 sspd; /* max speed */ + __be16 fifo_hi; /* hi 16bits of FIFO addr */ + __be32 fifo_lo; /* lo 32bits of FIFO addr */ + } __packed uc; +}; + +/* Pseudo L2 Header */ +#define FWNET_HLEN 18 +struct fwnet_header { + u8 h_dest[FWNET_ALEN]; /* destination address */ + __be16 h_proto; /* packet type ID field */ +} __packed; + +#endif |