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

Browse source 
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 <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
This commit is contained in:
Stephen Hemminger 2007-10-09 01:40:57 -07:00 • committed by David S. Miller
commit 3b04ddde02
65 changed files with 481 additions and 475 deletions
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6
net/packet/af_packet.c
View file

@ -389,7 +389,7 @@ static int packet_sendmsg_spkt(struct kiocb *iocb, struct socket *sock,
skb_reset_network_header(skb);
/* Try to align data part correctly */
if (dev->hard_header) {
if (dev->header_ops) {
skb->data -= dev->hard_header_len;
skb->tail -= dev->hard_header_len;
if (len < dev->hard_header_len)
@ -466,7 +466,7 @@ static int packet_rcv(struct sk_buff *skb, struct net_device *dev, struct packet
skb->dev = dev;
if (dev->hard_header) {
if (dev->header_ops) {
/* The device has an explicit notion of ll header,
exported to higher levels.
@ -581,7 +581,7 @@ static int tpacket_rcv(struct sk_buff *skb, struct net_device *dev, struct packe
sk = pt->af_packet_priv;
po = pkt_sk(sk);
if (dev->hard_header) {
if (dev->header_ops) {
if (sk->sk_type != SOCK_DGRAM)
skb_push(skb, skb->data - skb_mac_header(skb));
else if (skb->pkt_type == PACKET_OUTGOING) {