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path: root/drivers/infiniband/hw/mlx4/main.c
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Diffstat (limited to 'drivers/infiniband/hw/mlx4/main.c')
-rw-r--r--drivers/infiniband/hw/mlx4/main.c30
1 files changed, 30 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c
index e1e558a3d692..af8256353c7d 100644
--- a/drivers/infiniband/hw/mlx4/main.c
+++ b/drivers/infiniband/hw/mlx4/main.c
@@ -1089,6 +1089,30 @@ static int __mlx4_ib_destroy_flow(struct mlx4_dev *dev, u64 reg_id)
1089 return err; 1089 return err;
1090} 1090}
1091 1091
1092static int mlx4_ib_tunnel_steer_add(struct ib_qp *qp, struct ib_flow_attr *flow_attr,
1093 u64 *reg_id)
1094{
1095 void *ib_flow;
1096 union ib_flow_spec *ib_spec;
1097 struct mlx4_dev *dev = to_mdev(qp->device)->dev;
1098 int err = 0;
1099
1100 if (dev->caps.tunnel_offload_mode != MLX4_TUNNEL_OFFLOAD_MODE_VXLAN)
1101 return 0; /* do nothing */
1102
1103 ib_flow = flow_attr + 1;
1104 ib_spec = (union ib_flow_spec *)ib_flow;
1105
1106 if (ib_spec->type != IB_FLOW_SPEC_ETH || flow_attr->num_of_specs != 1)
1107 return 0; /* do nothing */
1108
1109 err = mlx4_tunnel_steer_add(to_mdev(qp->device)->dev, ib_spec->eth.val.dst_mac,
1110 flow_attr->port, qp->qp_num,
1111 MLX4_DOMAIN_UVERBS | (flow_attr->priority & 0xff),
1112 reg_id);
1113 return err;
1114}
1115
1092static struct ib_flow *mlx4_ib_create_flow(struct ib_qp *qp, 1116static struct ib_flow *mlx4_ib_create_flow(struct ib_qp *qp,
1093 struct ib_flow_attr *flow_attr, 1117 struct ib_flow_attr *flow_attr,
1094 int domain) 1118 int domain)
@@ -1136,6 +1160,12 @@ static struct ib_flow *mlx4_ib_create_flow(struct ib_qp *qp,
1136 i++; 1160 i++;
1137 } 1161 }
1138 1162
1163 if (i < ARRAY_SIZE(type) && flow_attr->type == IB_FLOW_ATTR_NORMAL) {
1164 err = mlx4_ib_tunnel_steer_add(qp, flow_attr, &mflow->reg_id[i]);
1165 if (err)
1166 goto err_free;
1167 }
1168
1139 return &mflow->ibflow; 1169 return &mflow->ibflow;
1140 1170
1141err_free: 1171err_free: