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authorStephen Hemminger <shemminger@linux-foundation.org>2007-10-09 01:36:32 -0700
committerDavid S. Miller <davem@sunset.davemloft.net>2007-10-10 16:52:50 -0700
commit0c4e85813d0a94eeb8bf813397a4907bdd7bb610 (patch)
tree53ee948abc930bb1c5cd270c490f87fda5eb45b3 /net/core
parent4c94f8c0c9a82fad84bc5df453aff755cfed70b7 (diff)
[NET]: Wrap netdevice hardware header creation.
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>
Diffstat (limited to 'net/core')
-rw-r--r--net/core/neighbour.c17
-rw-r--r--net/core/netpoll.c8
2 files changed, 11 insertions, 14 deletions
diff --git a/net/core/neighbour.c b/net/core/neighbour.c
index 2c6577c1eedd..10bcb9f8da5c 100644
--- a/net/core/neighbour.c
+++ b/net/core/neighbour.c
@@ -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);
diff --git a/net/core/netpoll.c b/net/core/netpoll.c
index e13602d8154d..95daba624967 100644
--- a/net/core/netpoll.c
+++ b/net/core/netpoll.c
@@ -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;
}