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cxgb4: Save the correct mac addr for hw-loopback connections in the L2T

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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>
This commit is contained in:
Steve Wise 2014-04-14 14:22:43 -05:00 committed by David S. Miller
parent 8c482cdc35
commit bfae232499
1 changed files with 3 additions and 1 deletions
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4
drivers/net/ethernet/chelsio/cxgb4/l2t.c
View file

@ -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;