aboutsummaryrefslogtreecommitdiff
path: root/drivers/net/ethernet/chelsio/cxgb3/l2t.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/ethernet/chelsio/cxgb3/l2t.c')
-rw-r--r--drivers/net/ethernet/chelsio/cxgb3/l2t.c34
1 files changed, 25 insertions, 9 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb3/l2t.c b/drivers/net/ethernet/chelsio/cxgb3/l2t.c
index 41540978a17..5f226eda8cd 100644
--- a/drivers/net/ethernet/chelsio/cxgb3/l2t.c
+++ b/drivers/net/ethernet/chelsio/cxgb3/l2t.c
@@ -35,6 +35,7 @@
#include <linux/if_vlan.h>
#include <linux/jhash.h>
#include <linux/slab.h>
+#include <linux/export.h>
#include <net/neighbour.h>
#include "common.h"
#include "t3cdev.h"
@@ -297,18 +298,31 @@ static inline void reuse_entry(struct l2t_entry *e, struct neighbour *neigh)
spin_unlock(&e->lock);
}
-struct l2t_entry *t3_l2t_get(struct t3cdev *cdev, struct neighbour *neigh,
- struct net_device *dev)
+struct l2t_entry *t3_l2t_get(struct t3cdev *cdev, struct dst_entry *dst,
+ struct net_device *dev, const void *daddr)
{
struct l2t_entry *e = NULL;
+ struct neighbour *neigh;
+ struct port_info *p;
struct l2t_data *d;
int hash;
- u32 addr = *(u32 *) neigh->primary_key;
- int ifidx = neigh->dev->ifindex;
- struct port_info *p = netdev_priv(dev);
- int smt_idx = p->port_id;
+ u32 addr;
+ int ifidx;
+ int smt_idx;
rcu_read_lock();
+ neigh = dst_neigh_lookup(dst, daddr);
+ if (!neigh)
+ goto done_rcu;
+
+ addr = *(u32 *) neigh->primary_key;
+ ifidx = neigh->dev->ifindex;
+
+ if (!dev)
+ dev = neigh->dev;
+ p = netdev_priv(dev);
+ smt_idx = p->port_id;
+
d = L2DATA(cdev);
if (!d)
goto done_rcu;
@@ -322,7 +336,7 @@ struct l2t_entry *t3_l2t_get(struct t3cdev *cdev, struct neighbour *neigh,
l2t_hold(d, e);
if (atomic_read(&e->refcnt) == 1)
reuse_entry(e, neigh);
- goto done;
+ goto done_unlock;
}
/* Need to allocate a new entry */
@@ -343,9 +357,11 @@ struct l2t_entry *t3_l2t_get(struct t3cdev *cdev, struct neighbour *neigh,
e->vlan = VLAN_NONE;
spin_unlock(&e->lock);
}
-done:
+done_unlock:
write_unlock_bh(&d->lock);
done_rcu:
+ if (neigh)
+ neigh_release(neigh);
rcu_read_unlock();
return e;
}
@@ -413,7 +429,7 @@ found:
} else {
e->state = neigh->nud_state & NUD_CONNECTED ?
L2T_STATE_VALID : L2T_STATE_STALE;
- if (memcmp(e->dmac, neigh->ha, 6))
+ if (!ether_addr_equal(e->dmac, neigh->ha))
setup_l2e_send_pending(dev, NULL, e);
}
}