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| author | Stephen Hemminger <shemminger@linux-foundation.org> | 2007-10-09 01:40:57 -0700 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2007-10-10 16:52:52 -0700 |
| commit | 3b04ddde02cf1b6f14f2697da5c20eca5715017f (patch) | |
| tree | 9da1341a5a399a507b5ea6bf5a3047506b8d8f8f /net/netrom/nr_dev.c | |
| parent | b95cce3576813ac3f86bafa6b5daaaaf7574b0fe (diff) | |
| download | lwn-3b04ddde02cf1b6f14f2697da5c20eca5715017f.tar.gz lwn-3b04ddde02cf1b6f14f2697da5c20eca5715017f.zip | |
[NET]: Move hardware header operations out of netdevice.
Since hardware header operations are part of the protocol class
not the device instance, make them into a separate object and
save memory.
Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/netrom/nr_dev.c')
| -rw-r--r-- | net/netrom/nr_dev.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/net/netrom/nr_dev.c b/net/netrom/nr_dev.c index c7b5d930e732..8c68da5ef0a1 100644 --- a/net/netrom/nr_dev.c +++ b/net/netrom/nr_dev.c @@ -95,8 +95,9 @@ static int nr_rebuild_header(struct sk_buff *skb) #endif -static int nr_header(struct sk_buff *skb, struct net_device *dev, unsigned short type, - void *daddr, void *saddr, unsigned len) +static int nr_header(struct sk_buff *skb, struct net_device *dev, + unsigned short type, + const void *daddr, const void *saddr, unsigned len) { unsigned char *buff = skb_push(skb, NR_NETWORK_LEN + NR_TRANSPORT_LEN); @@ -193,6 +194,12 @@ static struct net_device_stats *nr_get_stats(struct net_device *dev) return &nr->stats; } +static const struct header_ops nr_header_ops = { + .create = nr_header, + .rebuild= nr_rebuild_header, +}; + + void nr_setup(struct net_device *dev) { dev->mtu = NR_MAX_PACKET_SIZE; @@ -200,11 +207,10 @@ void nr_setup(struct net_device *dev) dev->open = nr_open; dev->stop = nr_close; - dev->hard_header = nr_header; + dev->header_ops = &nr_header_ops; dev->hard_header_len = NR_NETWORK_LEN + NR_TRANSPORT_LEN; dev->addr_len = AX25_ADDR_LEN; dev->type = ARPHRD_NETROM; - dev->rebuild_header = nr_rebuild_header; dev->set_mac_address = nr_set_mac_address; /* New-style flags. */ |