RDMA/hns: Generate gid type of RoCEv2

HNS_ROCE_CAP_FALG_ROCE_V1_V2 is added for selecting capability of
RoCE in hns driver. When HNS_ROCE_CAP_FALG_ROCE_V1_V2 is set,
driver will inform ib core that the related hns device can support
RoCEv2, and ib core can generate the gid of the related type.

Signed-off-by: Lijun Ou <oulijun@huawei.com>
Signed-off-by: Wei Hu (Xavier) <xavier.huwei@huawei.com>
Signed-off-by: Shaobo Xu <xushaobo2@huawei.com>
Signed-off-by: Yixian Liu <liuyixian@huawei.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>

diff --git a/drivers/infiniband/hw/hns/hns_roce_device.h b/drivers/infiniband/hw/hns/hns_roce_device.h
index 7b3f444..ba3bb36 100644 (file)
--- a/drivers/infiniband/hw/hns/hns_roce_device.h
+++ b/drivers/infiniband/hw/hns/hns_roce_device.h
@@ -172,6 +172,7 @@ enum {
 
 enum {
        HNS_ROCE_CAP_FLAG_REREG_MR              = BIT(0),
+       HNS_ROCE_CAP_FLAG_ROCE_V1_V2            = BIT(1),
 };
 
 enum hns_roce_mtt_type {

diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
index 7e24e1f..2e17dc1 100644 (file)
--- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
+++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
@@ -945,7 +945,8 @@ static int hns_roce_v2_profile(struct hns_roce_dev *hr_dev)
        caps->cqe_hop_num       = HNS_ROCE_CQE_HOP_NUM;
        caps->chunk_sz          = HNS_ROCE_V2_TABLE_CHUNK_SIZE;
 
-       caps->flags             = HNS_ROCE_CAP_FLAG_REREG_MR;
+       caps->flags             = HNS_ROCE_CAP_FLAG_REREG_MR |
+                                 HNS_ROCE_CAP_FLAG_ROCE_V1_V2;
        caps->pkey_table_len[0] = 1;
        caps->gid_table_len[0] = 2;
        caps->local_ca_ack_delay = 0;

diff --git a/drivers/infiniband/hw/hns/hns_roce_main.c b/drivers/infiniband/hw/hns/hns_roce_main.c
index 63a2f3b..8bb75ea 100644 (file)
--- a/drivers/infiniband/hw/hns/hns_roce_main.c
+++ b/drivers/infiniband/hw/hns/hns_roce_main.c
@@ -406,8 +406,6 @@ static int hns_roce_port_immutable(struct ib_device *ib_dev, u8 port_num,
        struct ib_port_attr attr;
        int ret;
 
-       immutable->core_cap_flags = RDMA_CORE_PORT_IBA_ROCE;
-
        ret = ib_query_port(ib_dev, port_num, &attr);
        if (ret)
                return ret;
@@ -416,6 +414,9 @@ static int hns_roce_port_immutable(struct ib_device *ib_dev, u8 port_num,
        immutable->gid_tbl_len = attr.gid_tbl_len;
 
        immutable->max_mad_size = IB_MGMT_MAD_SIZE;
+       immutable->core_cap_flags = RDMA_CORE_PORT_IBA_ROCE;
+       if (to_hr_dev(ib_dev)->caps.flags & HNS_ROCE_CAP_FLAG_ROCE_V1_V2)
+               immutable->core_cap_flags |= RDMA_CORE_PORT_IBA_ROCE_UDP_ENCAP;
 
        return 0;
 }