IB/hns: add self loopback for CM (543bfe6c) · Commits · 戴 / test

drivers/infiniband/hw/hns/hns_roce_hw_v1.c

+11 −0

Original line number	Diff line number	Diff line
		@@ -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,

+2 −0

Original line number	Diff line number	Diff line
		@@ -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)