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RDMA/hns: Add CM of vlan device support

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This patch mainly sets the vlan_id field in the WC for rdma_listen() to
work over vlan. This is required by ib_init_ah_attr_from_wc() which is
called by the CM REQ handler.

Signed-off-by: Lijun Ou <oulijun@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This commit is contained in:
Lijun Ou 2018-09-22 16:21:07 +08:00 committed by Jason Gunthorpe
parent 384f881851
commit 944e64093a
2 changed files with 13 additions and 1 deletions
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9
drivers/infiniband/hw/hns/hns_roce_hw_v2.c
View File

@ -2292,7 +2292,14 @@ static int hns_roce_v2_poll_one(struct hns_roce_cq *hr_cq,
wc->smac[5] = roce_get_field(cqe->byte_28,
V2_CQE_BYTE_28_SMAC_5_M,
V2_CQE_BYTE_28_SMAC_5_S);
wc->vlan_id = 0xffff;
if (roce_get_bit(cqe->byte_28, V2_CQE_BYTE_28_VID_VLD_S)) {
wc->vlan_id = (u16)roce_get_field(cqe->byte_28,
V2_CQE_BYTE_28_VID_M,
V2_CQE_BYTE_28_VID_S);
} else {
wc->vlan_id = 0xffff;
}
wc->wc_flags |= (IB_WC_WITH_VLAN | IB_WC_WITH_SMAC);
wc->network_hdr_type = roce_get_field(cqe->byte_28,
V2_CQE_BYTE_28_PORT_TYPE_M,

5
drivers/infiniband/hw/hns/hns_roce_hw_v2.h
View File

@ -818,6 +818,11 @@ struct hns_roce_v2_cqe {
#define V2_CQE_BYTE_28_PORT_TYPE_S 16
#define V2_CQE_BYTE_28_PORT_TYPE_M GENMASK(17, 16)
#define V2_CQE_BYTE_28_VID_S 18
#define V2_CQE_BYTE_28_VID_M GENMASK(29, 18)
#define V2_CQE_BYTE_28_VID_VLD_S 30
#define V2_CQE_BYTE_32_RMT_QPN_S 0
#define V2_CQE_BYTE_32_RMT_QPN_M GENMASK(23, 0)