RDMA/hns: Add vlan enable bit for hip08

oulijun · jgunthorpe · commit caf3e4064af0 · 2018-10-03T16:21:18.000-06:00
In order to extend vlan device range, the design add two field of qp
context for checking vlan packet in sender and in recevicer.

Signed-off-by: Lijun Ou &lt;oulijun@huawei.com&gt;
Signed-off-by: Jason Gunthorpe &lt;jgg@mellanox.com&gt;
diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
@@ -3608,6 +3608,17 @@ static int hns_roce_v2_modify_qp(struct ib_qp *ibqp,
 			memcpy(src_mac, gid_attr->ndev->dev_addr, ETH_ALEN);
 		}
 
+		if (is_vlan_dev(gid_attr->ndev)) {
+			roce_set_bit(context->byte_76_srqn_op_en,
+				     V2_QPC_BYTE_76_RQ_VLAN_EN_S, 1);
+			roce_set_bit(qpc_mask->byte_76_srqn_op_en,
+				     V2_QPC_BYTE_76_RQ_VLAN_EN_S, 0);
+			roce_set_bit(context->byte_168_irrl_idx,
+				     V2_QPC_BYTE_168_SQ_VLAN_EN_S, 1);
+			roce_set_bit(qpc_mask->byte_168_irrl_idx,
+				     V2_QPC_BYTE_168_SQ_VLAN_EN_S, 0);
+		}
+
 		roce_set_field(context->byte_24_mtu_tc,
 			       V2_QPC_BYTE_24_VLAN_ID_M,
 			       V2_QPC_BYTE_24_VLAN_ID_S, vlan);
diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.h b/drivers/infiniband/hw/hns/hns_roce_hw_v2.h
@@ -527,6 +527,7 @@ struct hns_roce_v2_qp_context {
 
 #define	V2_QPC_BYTE_76_RQIE_S 28
 
+#define	V2_QPC_BYTE_76_RQ_VLAN_EN_S 30
 #define	V2_QPC_BYTE_80_RX_CQN_S 0
 #define V2_QPC_BYTE_80_RX_CQN_M GENMASK(23, 0)
 
@@ -628,6 +629,7 @@ struct hns_roce_v2_qp_context {
 #define	V2_QPC_BYTE_168_LP_SGEN_INI_S 22
 #define V2_QPC_BYTE_168_LP_SGEN_INI_M GENMASK(23, 22)
 
+#define V2_QPC_BYTE_168_SQ_VLAN_EN_S 24
 #define V2_QPC_BYTE_168_POLL_DB_WAIT_DO_S 25
 #define V2_QPC_BYTE_168_SCC_TOKEN_FORBID_SQ_DEQ_S 26
 #define V2_QPC_BYTE_168_WAIT_ACK_TIMEOUT_S 27
