From 3b04ddde02cf1b6f14f2697da5c20eca5715017f Mon Sep 17 00:00:00 2001 From: Stephen Hemminger Date: Tue, 9 Oct 2007 01:40:57 -0700 Subject: [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 Signed-off-by: David S. Miller --- drivers/net/arcnet/arcnet.c | 18 +++++++++++------- 1 file changed, 11 insertions(+), 7 deletions(-) (limited to 'drivers/net/arcnet') diff --git a/drivers/net/arcnet/arcnet.c b/drivers/net/arcnet/arcnet.c index 681e20b8466..c59c8067de9 100644 --- a/drivers/net/arcnet/arcnet.c +++ b/drivers/net/arcnet/arcnet.c @@ -102,8 +102,8 @@ static int arcnet_close(struct net_device *dev); static int arcnet_send_packet(struct sk_buff *skb, struct net_device *dev); static void arcnet_timeout(struct net_device *dev); static int arcnet_header(struct sk_buff *skb, struct net_device *dev, - unsigned short type, void *daddr, void *saddr, - unsigned len); + unsigned short type, const void *daddr, + const void *saddr, unsigned len); static int arcnet_rebuild_header(struct sk_buff *skb); static struct net_device_stats *arcnet_get_stats(struct net_device *dev); static int go_tx(struct net_device *dev); @@ -317,11 +317,17 @@ static int choose_mtu(void) return mtu == 65535 ? XMTU : mtu; } +static const struct header_ops arcnet_header_ops = { + .create = arcnet_header, + .rebuild = arcnet_rebuild_header, +}; + /* Setup a struct device for ARCnet. */ static void arcdev_setup(struct net_device *dev) { dev->type = ARPHRD_ARCNET; + dev->header_ops = &arcnet_header_ops; dev->hard_header_len = sizeof(struct archdr); dev->mtu = choose_mtu(); @@ -342,8 +348,6 @@ static void arcdev_setup(struct net_device *dev) dev->hard_start_xmit = arcnet_send_packet; dev->tx_timeout = arcnet_timeout; dev->get_stats = arcnet_get_stats; - dev->hard_header = arcnet_header; - dev->rebuild_header = arcnet_rebuild_header; } struct net_device *alloc_arcdev(char *name) @@ -488,10 +492,10 @@ static int arcnet_close(struct net_device *dev) static int arcnet_header(struct sk_buff *skb, struct net_device *dev, - unsigned short type, void *daddr, void *saddr, - unsigned len) + unsigned short type, const void *daddr, + const void *saddr, unsigned len) { - struct arcnet_local *lp = dev->priv; + const struct arcnet_local *lp = netdev_priv(dev); uint8_t _daddr, proto_num; struct ArcProto *proto; -- cgit v1.2.3