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sch_teql: Convert over to dev_neigh_lookup_skb().

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Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2012-07-02 21:57:45 -07:00
parent f894cbf847
commit dbedbe6d56
1 changed files with 22 additions and 25 deletions
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47
net/sched/sch_teql.c
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@ -67,7 +67,6 @@ struct teql_master {
struct teql_sched_data {
struct Qdisc *next;
struct teql_master *m;
struct neighbour *ncache;
struct sk_buff_head q;
};
@ -134,7 +133,6 @@ teql_reset(struct Qdisc *sch)
skb_queue_purge(&dat->q);
sch->q.qlen = 0;
teql_neigh_release(xchg(&dat->ncache, NULL));
}
static void
@ -166,7 +164,6 @@ teql_destroy(struct Qdisc *sch)
}
}
skb_queue_purge(&dat->q);
teql_neigh_release(xchg(&dat->ncache, NULL));
break;
}
@ -225,21 +222,25 @@ static int teql_qdisc_init(struct Qdisc *sch, struct nlattr *opt)
static int
__teql_resolve(struct sk_buff *skb, struct sk_buff *skb_res,
struct net_device *dev, struct netdev_queue *txq,
struct neighbour *mn)
struct dst_entry *dst)
{
struct teql_sched_data *q = qdisc_priv(txq->qdisc);
struct neighbour *n = q->ncache;
struct neighbour *n;
int err = 0;
if (mn->tbl == NULL)
return -EINVAL;
if (n && n->tbl == mn->tbl &&
memcmp(n->primary_key, mn->primary_key, mn->tbl->key_len) == 0) {
atomic_inc(&n->refcnt);
} else {
n = __neigh_lookup_errno(mn->tbl, mn->primary_key, dev);
if (IS_ERR(n))
return PTR_ERR(n);
n = dst_neigh_lookup_skb(dst, skb);
if (!n)
return -ENOENT;
if (dst->dev != dev) {
struct neighbour *mn;
mn = __neigh_lookup_errno(n->tbl, n->primary_key, dev);
neigh_release(n);
if (IS_ERR(mn))
return PTR_ERR(mn);
n = mn;
}
if (neigh_event_send(n, skb_res) == 0) {
int err;
char haddr[MAX_ADDR_LEN];
@ -248,15 +249,13 @@ __teql_resolve(struct sk_buff *skb, struct sk_buff *skb_res,
err = dev_hard_header(skb, dev, ntohs(skb->protocol), haddr,
NULL, skb->len);
if (err < 0) {
neigh_release(n);
return -EINVAL;
}
teql_neigh_release(xchg(&q->ncache, n));
return 0;
if (err < 0)
err = -EINVAL;
} else {
err = (skb_res == NULL) ? -EAGAIN : 1;
}
neigh_release(n);
return (skb_res == NULL) ? -EAGAIN : 1;
return err;
}
static inline int teql_resolve(struct sk_buff *skb,
@ -265,7 +264,6 @@ static inline int teql_resolve(struct sk_buff *skb,
struct netdev_queue *txq)
{
struct dst_entry *dst = skb_dst(skb);
struct neighbour *mn;
int res;
if (txq->qdisc == &noop_qdisc)
@ -275,8 +273,7 @@ static inline int teql_resolve(struct sk_buff *skb,
return 0;
rcu_read_lock();
mn = dst_get_neighbour_noref(dst);
res = mn ? __teql_resolve(skb, skb_res, dev, txq, mn) : 0;
res = __teql_resolve(skb, skb_res, dev, txq, dst);
rcu_read_unlock();
return res;