diff options
| author | Lijun Ou <oulijun@huawei.com> | 2016-11-23 22:41:02 +0300 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2016-12-03 22:20:42 +0300 |
| commit | 543bfe6c3c1602d1781504047795a4266076233b (patch) | |
| tree | 8e3ce112f3f34d26c20a20a52ebe8137b2803aa0 /drivers/infiniband/hw/hns | |
| parent | 8d497eb0f325e98fa87b59ac86069deea64e8d5d (diff) | |
| download | linux-543bfe6c3c1602d1781504047795a4266076233b.tar.xz | |
IB/hns: add self loopback for CM
This patch mainly adds self loopback support for CM.
Signed-off-by: Lijun Ou <oulijun@huawei.com>
Signed-off-by: Peter Chen <luck.chen@huawei.com>
Reviewed-by: Wei Hu (Xavier) <xavier.huwei@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/hw/hns')
| -rw-r--r-- | drivers/infiniband/hw/hns/hns_roce_hw_v1.c | 11 | ||||
| -rw-r--r-- | drivers/infiniband/hw/hns/hns_roce_hw_v1.h | 2 |
2 files changed, 13 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v1.c b/drivers/infiniband/hw/hns/hns_roce_hw_v1.c index 957f0de866cd..48c71e839c6a 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v1.c +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v1.c @@ -32,6 +32,7 @@ #include <linux/platform_device.h> #include <linux/acpi.h> +#include <linux/etherdevice.h> #include <rdma/ib_umem.h> #include "hns_roce_common.h" #include "hns_roce_device.h" @@ -72,6 +73,8 @@ int hns_roce_v1_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, int nreq = 0; u32 ind = 0; int ret = 0; + u8 *smac; + int loopback; if (unlikely(ibqp->qp_type != IB_QPT_GSI && ibqp->qp_type != IB_QPT_RC)) { @@ -129,6 +132,14 @@ int hns_roce_v1_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, UD_SEND_WQE_U32_8_DMAC_5_M, UD_SEND_WQE_U32_8_DMAC_5_S, ah->av.mac[5]); + + smac = (u8 *)hr_dev->dev_addr[qp->port]; + loopback = ether_addr_equal_unaligned(ah->av.mac, + smac) ? 1 : 0; + roce_set_bit(ud_sq_wqe->u32_8, + UD_SEND_WQE_U32_8_LOOPBACK_INDICATOR_S, + loopback); + roce_set_field(ud_sq_wqe->u32_8, UD_SEND_WQE_U32_8_OPERATION_TYPE_M, UD_SEND_WQE_U32_8_OPERATION_TYPE_S, diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v1.h b/drivers/infiniband/hw/hns/hns_roce_hw_v1.h index 6004c7f39542..cf28f1b6492c 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v1.h +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v1.h @@ -440,6 +440,8 @@ struct hns_roce_ud_send_wqe { #define UD_SEND_WQE_U32_8_DMAC_5_M \ (((1UL << 8) - 1) << UD_SEND_WQE_U32_8_DMAC_5_S) +#define UD_SEND_WQE_U32_8_LOOPBACK_INDICATOR_S 22 + #define UD_SEND_WQE_U32_8_OPERATION_TYPE_S 16 #define UD_SEND_WQE_U32_8_OPERATION_TYPE_M \ (((1UL << 4) - 1) << UD_SEND_WQE_U32_8_OPERATION_TYPE_S) |