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neigh: Pass neighbour entry to output ops.

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This will get us closer to being able to do "neigh stuff"
completely independent of the underlying dst_entry for
protocols (ipv4/ipv6) that wish to do so.

We will also be able to make dst entries neigh-less.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller
2011-07-17 13:34:11 -07:00
parent 69ecca86da
commit 8f40b161de
8 changed files with 50 additions and 45 deletions
Download Patch File Download Diff File Expand all files Collapse all files

18
net/decnet/dn_neigh.c
View File

@ -51,9 +51,9 @@
static int dn_neigh_construct(struct neighbour *);
static void dn_long_error_report(struct neighbour *, struct sk_buff *);
static void dn_short_error_report(struct neighbour *, struct sk_buff *);
static int dn_long_output(struct sk_buff *);
static int dn_short_output(struct sk_buff *);
static int dn_phase3_output(struct sk_buff *);
static int dn_long_output(struct neighbour *, struct sk_buff *);
static int dn_short_output(struct neighbour *, struct sk_buff *);
static int dn_phase3_output(struct neighbour *, struct sk_buff *);
/*
@ -218,10 +218,8 @@ static int dn_neigh_output_packet(struct sk_buff *skb)
return -EINVAL;
}
static int dn_long_output(struct sk_buff *skb)
static int dn_long_output(struct neighbour *neigh, struct sk_buff *skb)
{
struct dst_entry *dst = skb_dst(skb);
struct neighbour *neigh = dst->neighbour;
struct net_device *dev = neigh->dev;
int headroom = dev->hard_header_len + sizeof(struct dn_long_packet) + 3;
unsigned char *data;
@ -265,10 +263,8 @@ static int dn_long_output(struct sk_buff *skb)
neigh->dev, dn_neigh_output_packet);
}
static int dn_short_output(struct sk_buff *skb)
static int dn_short_output(struct neighbour *neigh, struct sk_buff *skb)
{
struct dst_entry *dst = skb_dst(skb);
struct neighbour *neigh = dst->neighbour;
struct net_device *dev = neigh->dev;
int headroom = dev->hard_header_len + sizeof(struct dn_short_packet) + 2;
struct dn_short_packet *sp;
@ -309,10 +305,8 @@ static int dn_short_output(struct sk_buff *skb)
* Phase 3 output is the same is short output, execpt that
* it clears the area bits before transmission.
*/
static int dn_phase3_output(struct sk_buff *skb)
static int dn_phase3_output(struct neighbour *neigh, struct sk_buff *skb)
{
struct dst_entry *dst = skb_dst(skb);
struct neighbour *neigh = dst->neighbour;
struct net_device *dev = neigh->dev;
int headroom = dev->hard_header_len + sizeof(struct dn_short_packet) + 2;
struct dn_short_packet *sp;

13
net/decnet/dn_route.c
View File

@ -705,6 +705,14 @@ out:
return NET_RX_DROP;
}
static int dn_to_neigh_output(struct sk_buff *skb)
{
struct dst_entry *dst = skb_dst(skb);
struct neighbour *n = dst->neighbour;
return n->output(n, skb);
}
static int dn_output(struct sk_buff *skb)
{
struct dst_entry *dst = skb_dst(skb);
@ -733,7 +741,7 @@ static int dn_output(struct sk_buff *skb)
cb->hops = 0;
return NF_HOOK(NFPROTO_DECNET, NF_DN_LOCAL_OUT, skb, NULL, dev,
neigh->output);
dn_to_neigh_output);
error:
if (net_ratelimit())
@ -750,7 +758,6 @@ static int dn_forward(struct sk_buff *skb)
struct dst_entry *dst = skb_dst(skb);
struct dn_dev *dn_db = rcu_dereference(dst->dev->dn_ptr);
struct dn_route *rt;
struct neighbour *neigh = dst->neighbour;
int header_len;
#ifdef CONFIG_NETFILTER
struct net_device *dev = skb->dev;
@ -783,7 +790,7 @@ static int dn_forward(struct sk_buff *skb)
cb->rt_flags |= DN_RT_F_IE;
return NF_HOOK(NFPROTO_DECNET, NF_DN_FORWARD, skb, dev, skb->dev,
neigh->output);
dn_to_neigh_output);
drop:
kfree_skb(skb);