diff options
Diffstat (limited to 'drivers/net/ethernet/chelsio/cxgb3/l2t.c')
| -rw-r--r-- | drivers/net/ethernet/chelsio/cxgb3/l2t.c | 34 |
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); } } |
