diff options
| author | Steve Wise <swise@opengridcomputing.com> | 2014-04-14 19:22:43 (GMT) |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-04-14 20:26:48 (GMT) |
| commit | bfae23249955819a42aa6c23d93708c818eff5c9 (patch) | |
| tree | 6fcf7cedfbc7e8dcdecb4a594eb85726c6f1d3fb | |
| parent | 8c482cdc358ef931ee02262e0a4ef0f29946aa0c (diff) | |
| download | linux-bfae23249955819a42aa6c23d93708c818eff5c9.tar.xz | |
cxgb4: Save the correct mac addr for hw-loopback connections in the L2T
Hardware needs the local device mac address to support hw loopback for
rdma loopback connections.
Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4/l2t.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4/l2t.c b/drivers/net/ethernet/chelsio/cxgb4/l2t.c index 81e8402..8a96572 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/l2t.c +++ b/drivers/net/ethernet/chelsio/cxgb4/l2t.c @@ -154,7 +154,7 @@ static int write_l2e(struct adapter *adap, struct l2t_entry *e, int sync) req->params = htons(L2T_W_PORT(e->lport) | L2T_W_NOREPLY(!sync)); req->l2t_idx = htons(e->idx); req->vlan = htons(e->vlan); - if (e->neigh) + if (e->neigh && !(e->neigh->dev->flags & IFF_LOOPBACK)) memcpy(e->dmac, e->neigh->ha, sizeof(e->dmac)); memcpy(req->dst_mac, e->dmac, sizeof(req->dst_mac)); @@ -394,6 +394,8 @@ struct l2t_entry *cxgb4_l2t_get(struct l2t_data *d, struct neighbour *neigh, if (e) { spin_lock(&e->lock); /* avoid race with t4_l2t_free */ e->state = L2T_STATE_RESOLVING; + if (neigh->dev->flags & IFF_LOOPBACK) + memcpy(e->dmac, physdev->dev_addr, sizeof(e->dmac)); memcpy(e->addr, addr, addr_len); e->ifindex = ifidx; e->hash = hash; |