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[NET]: Wrap netdevice hardware header creation.

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Add inline for common usage of hardware header creation, and
fix bug in IPV6 mcast where the assumption about negative return is
an errno. Negative return from hard_header means not enough space
was available,(ie -N bytes).

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 01:36:32 -07:00
committed by David S. Miller
parent 4c94f8c0c9
commit 0c4e85813d
19 changed files with 63 additions and 70 deletions
Download Patch File Download Diff File Expand all files Collapse all files

17
net/core/neighbour.c
View File

@@ -1125,9 +1125,8 @@ int neigh_compat_output(struct sk_buff *skb)
__skb_pull(skb, skb_network_offset(skb));
if (dev->hard_header &&
dev->hard_header(skb, dev, ntohs(skb->protocol), NULL, NULL,
skb->len) < 0 &&
if (dev_hard_header(skb, dev, ntohs(skb->protocol), NULL, NULL,
skb->len) < 0 &&
dev->rebuild_header(skb))
return 0;
@@ -1154,13 +1153,13 @@ int neigh_resolve_output(struct sk_buff *skb)
write_lock_bh(&neigh->lock);
if (!dst->hh)
neigh_hh_init(neigh, dst, dst->ops->protocol);
err = dev->hard_header(skb, dev, ntohs(skb->protocol),
neigh->ha, NULL, skb->len);
err = dev_hard_header(skb, dev, ntohs(skb->protocol),
neigh->ha, NULL, skb->len);
write_unlock_bh(&neigh->lock);
} else {
read_lock_bh(&neigh->lock);
err = dev->hard_header(skb, dev, ntohs(skb->protocol),
neigh->ha, NULL, skb->len);
err = dev_hard_header(skb, dev, ntohs(skb->protocol),
neigh->ha, NULL, skb->len);
read_unlock_bh(&neigh->lock);
}
if (err >= 0)
@@ -1191,8 +1190,8 @@ int neigh_connected_output(struct sk_buff *skb)
__skb_pull(skb, skb_network_offset(skb));
read_lock_bh(&neigh->lock);
err = dev->hard_header(skb, dev, ntohs(skb->protocol),
neigh->ha, NULL, skb->len);
err = dev_hard_header(skb, dev, ntohs(skb->protocol),
neigh->ha, NULL, skb->len);
read_unlock_bh(&neigh->lock);
if (err >= 0)
err = neigh->ops->queue_xmit(skb);

8
net/core/netpoll.c
View File

@@ -415,11 +415,9 @@ static void arp_reply(struct sk_buff *skb)
send_skb->protocol = htons(ETH_P_ARP);
/* Fill the device header for the ARP frame */
if (np->dev->hard_header &&
np->dev->hard_header(send_skb, skb->dev, ptype,
sha, np->local_mac,
send_skb->len) < 0) {
if (dev_hard_header(send_skb, skb->dev, ptype,
sha, np->local_mac,
send_skb->len) < 0) {
kfree_skb(send_skb);
return;
}