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Commit bfae2324 authored by Steve Wise's avatar Steve Wise Committed by David S. Miller
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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: default avatarSteve Wise <swise@opengridcomputing.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 8c482cdc

drivers/net/ethernet/chelsio/cxgb4/l2t.c

+3 −1
Original line number Diff line number Diff line
@@ -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;