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[NET]: Move hardware header operations out of netdevice.

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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>
This commit is contained in:
Stephen Hemminger
2007-10-09 01:40:57 -07:00
committed by David S. Miller
parent b95cce3576
commit 3b04ddde02
65 changed files with 479 additions and 473 deletions
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10
drivers/net/wan/hdlc.c
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@@ -232,6 +232,8 @@ int hdlc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
return -EINVAL;
}
static const struct header_ops hdlc_null_ops;
static void hdlc_setup_dev(struct net_device *dev)
{
/* Re-init all variables changed by HDLC protocol drivers,
@@ -243,13 +245,9 @@ static void hdlc_setup_dev(struct net_device *dev)
dev->type = ARPHRD_RAWHDLC;
dev->hard_header_len = 16;
dev->addr_len = 0;
dev->hard_header = NULL;
dev->rebuild_header = NULL;
dev->set_mac_address = NULL;
dev->hard_header_cache = NULL;
dev->header_cache_update = NULL;
dev->header_ops = &hdlc_null_ops;
dev->change_mtu = hdlc_change_mtu;
dev->hard_header_parse = NULL;
}
static void hdlc_setup(struct net_device *dev)