IB/mlx4: Use correct SL on AH query under RoCE

[cascardo/linux.git] / drivers / infiniband / hw / mlx4 / ah.c

diff --git a/drivers/infiniband/hw/mlx4/ah.c b/drivers/infiniband/hw/mlx4/ah.c
index f50a546..1688a17 100644 (file)
--- a/drivers/infiniband/hw/mlx4/ah.c
+++ b/drivers/infiniband/hw/mlx4/ah.c
@@ -89,7 +89,7 @@ static struct ib_ah *create_iboe_ah(struct ib_pd *pd, struct ib_ah_attr *ah_attr
        if (vlan_tag < 0x1000)
                vlan_tag |= (ah_attr->sl & 7) << 13;
        ah->av.eth.port_pd = cpu_to_be32(to_mpd(pd)->pdn | (ah_attr->port_num << 24));
-       ah->av.eth.gid_index = ah_attr->grh.sgid_index;
+       ah->av.eth.gid_index = mlx4_ib_gid_index_to_real_index(ibdev, ah_attr->port_num, ah_attr->grh.sgid_index);
        ah->av.eth.vlan = cpu_to_be16(vlan_tag);
        if (ah_attr->static_rate) {
                ah->av.eth.stat_rate = ah_attr->static_rate + MLX4_STAT_RATE_OFFSET;
@@ -148,9 +148,13 @@ int mlx4_ib_query_ah(struct ib_ah *ibah, struct ib_ah_attr *ah_attr)
        enum rdma_link_layer ll;
 
        memset(ah_attr, 0, sizeof *ah_attr);
-       ah_attr->sl = be32_to_cpu(ah->av.ib.sl_tclass_flowlabel) >> 28;
        ah_attr->port_num = be32_to_cpu(ah->av.ib.port_pd) >> 24;
        ll = rdma_port_get_link_layer(ibah->device, ah_attr->port_num);
+       if (ll == IB_LINK_LAYER_ETHERNET)
+               ah_attr->sl = be32_to_cpu(ah->av.eth.sl_tclass_flowlabel) >> 29;
+       else
+               ah_attr->sl = be32_to_cpu(ah->av.ib.sl_tclass_flowlabel) >> 28;
+
        ah_attr->dlid = ll == IB_LINK_LAYER_INFINIBAND ? be16_to_cpu(ah->av.ib.dlid) : 0;
        if (ah->av.ib.stat_rate)
                ah_attr->static_rate = ah->av.ib.stat_rate - MLX4_STAT_RATE_OFFSET;