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/wan/syncppp.c | 19 +++++++++---------- 1 file changed, 9 insertions(+), 10 deletions(-) (limited to 'drivers/net/wan/syncppp.c') diff --git a/drivers/net/wan/syncppp.c b/drivers/net/wan/syncppp.c index 5c71af6ea3a..232ecba5340 100644 --- a/drivers/net/wan/syncppp.c +++ b/drivers/net/wan/syncppp.c @@ -359,8 +359,10 @@ done: * Handle transmit packets. */ -static int sppp_hard_header(struct sk_buff *skb, struct net_device *dev, __u16 type, - void *daddr, void *saddr, unsigned int len) +static int sppp_hard_header(struct sk_buff *skb, + struct net_device *dev, __u16 type, + const void *daddr, const void *saddr, + unsigned int len) { struct sppp *sp = (struct sppp *)sppp_of(dev); struct ppp_header *h; @@ -392,10 +394,9 @@ static int sppp_hard_header(struct sk_buff *skb, struct net_device *dev, __u16 t return sizeof(struct ppp_header); } -static int sppp_rebuild_header(struct sk_buff *skb) -{ - return 0; -} +static const struct header_ops sppp_header_ops = { + .create = sppp_hard_header, +}; /* * Send keepalive packets, every 10 seconds. @@ -1098,8 +1099,8 @@ void sppp_attach(struct ppp_device *pd) * hard_start_xmit. */ - dev->hard_header = sppp_hard_header; - dev->rebuild_header = sppp_rebuild_header; + dev->header_ops = &sppp_header_ops; + dev->tx_queue_len = 10; dev->type = ARPHRD_HDLC; dev->addr_len = 0; @@ -1115,8 +1116,6 @@ void sppp_attach(struct ppp_device *pd) dev->stop = sppp_close; #endif dev->change_mtu = sppp_change_mtu; - dev->hard_header_cache = NULL; - dev->header_cache_update = NULL; dev->flags = IFF_MULTICAST|IFF_POINTOPOINT|IFF_NOARP; } -- cgit v1.2.3