struct hns_roce_dev *hr_dev = to_hr_dev(ibah->device);
struct hns_roce_ib_create_ah_resp resp = {};
struct hns_roce_ah *ah = to_hr_ah(ibah);
- int ret = 0;
- u32 max_sl;
+ u8 tclass = get_tclass(grh);
+ u8 priority = 0;
+ u8 tc_mode = 0;
+ int ret;
if (hr_dev->pci_dev->revision == PCI_REVISION_ID_HIP08 && udata)
return -EOPNOTSUPP;
ah->av.hop_limit = grh->hop_limit;
ah->av.flowlabel = grh->flow_label;
ah->av.udp_sport = get_ah_udp_sport(ah_attr);
- ah->av.tclass = get_tclass(grh);
-
- ah->av.sl = rdma_ah_get_sl(ah_attr);
- max_sl = min_t(u32, MAX_SERVICE_LEVEL, hr_dev->caps.sl_num - 1);
- if (unlikely(ah->av.sl > max_sl)) {
- ibdev_err_ratelimited(&hr_dev->ib_dev,
- "failed to set sl, sl (%u) shouldn't be larger than %u.\n",
- ah->av.sl, max_sl);
+ ah->av.tclass = tclass;
+
+ ret = hr_dev->hw->get_dscp(hr_dev, tclass, &tc_mode, &priority);
+ if (ret == -EOPNOTSUPP)
+ ret = 0;
+
+ if (ret && grh->sgid_attr->gid_type == IB_GID_TYPE_ROCE_UDP_ENCAP)
+ return ret;
+
+ if (tc_mode == HNAE3_TC_MAP_MODE_DSCP &&
+ grh->sgid_attr->gid_type == IB_GID_TYPE_ROCE_UDP_ENCAP)
+ ah->av.sl = priority;
+ else
+ ah->av.sl = rdma_ah_get_sl(ah_attr);
+
+ if (!check_sl_valid(hr_dev, ah->av.sl))
return -EINVAL;
- }
memcpy(ah->av.dgid, grh->dgid.raw, HNS_ROCE_GID_SIZE);
memcpy(ah->av.mac, ah_attr->roce.dmac, ETH_ALEN);
}
if (udata) {
+ resp.priority = ah->av.sl;
+ resp.tc_mode = tc_mode;
memcpy(resp.dmac, ah_attr->roce.dmac, ETH_ALEN);
ret = ib_copy_to_udata(udata, &resp,
min(udata->outlen, sizeof(resp)));
struct hns_user_mmap_entry *dwqe_mmap_entry;
u32 config;
enum hns_roce_cong_type cong_type;
+ u8 tc_mode;
+ u8 priority;
};
struct hns_roce_ib_iboe {
int (*query_sccc)(struct hns_roce_dev *hr_dev, u32 qpn, void *buffer);
int (*query_hw_counter)(struct hns_roce_dev *hr_dev,
u64 *stats, u32 port, int *hw_counters);
+ int (*get_dscp)(struct hns_roce_dev *hr_dev, u8 dscp,
+ u8 *tc_mode, u8 *priority);
const struct ib_device_ops *hns_roce_dev_ops;
const struct ib_device_ops *hns_roce_dev_srq_ops;
};
hns_roce_user_mmap_entry_insert(struct ib_ucontext *ucontext, u64 address,
size_t length,
enum hns_roce_mmap_type mmap_type);
+bool check_sl_valid(struct hns_roce_dev *hr_dev, u8 sl);
+
#endif /* _HNS_ROCE_DEVICE_H */
hr_reg_write(ud_sq_wqe, UD_SEND_WQE_HOPLIMIT, ah->av.hop_limit);
hr_reg_write(ud_sq_wqe, UD_SEND_WQE_TCLASS, ah->av.tclass);
hr_reg_write(ud_sq_wqe, UD_SEND_WQE_FLOW_LABEL, ah->av.flowlabel);
-
- if (WARN_ON(ah->av.sl > MAX_SERVICE_LEVEL))
- return -EINVAL;
-
hr_reg_write(ud_sq_wqe, UD_SEND_WQE_SL, ah->av.sl);
ud_sq_wqe->sgid_index = ah->av.gid_index;
return 0;
}
+static int hns_roce_hw_v2_get_dscp(struct hns_roce_dev *hr_dev, u8 dscp,
+ u8 *tc_mode, u8 *priority)
+{
+ struct hns_roce_v2_priv *priv = hr_dev->priv;
+ struct hnae3_handle *handle = priv->handle;
+ const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
+
+ if (!ops->get_dscp_prio)
+ return -EOPNOTSUPP;
+
+ return ops->get_dscp_prio(handle, dscp, tc_mode, priority);
+}
+
+bool check_sl_valid(struct hns_roce_dev *hr_dev, u8 sl)
+{
+ u32 max_sl;
+
+ max_sl = min_t(u32, MAX_SERVICE_LEVEL, hr_dev->caps.sl_num - 1);
+ if (unlikely(sl > max_sl)) {
+ ibdev_err_ratelimited(&hr_dev->ib_dev,
+ "failed to set SL(%u). Shouldn't be larger than %u.\n",
+ sl, max_sl);
+ return false;
+ }
+
+ return true;
+}
+
+static int hns_roce_set_sl(struct ib_qp *ibqp,
+ const struct ib_qp_attr *attr,
+ struct hns_roce_v2_qp_context *context,
+ struct hns_roce_v2_qp_context *qpc_mask)
+{
+ const struct ib_global_route *grh = rdma_ah_read_grh(&attr->ah_attr);
+ struct hns_roce_dev *hr_dev = to_hr_dev(ibqp->device);
+ struct hns_roce_qp *hr_qp = to_hr_qp(ibqp);
+ struct ib_device *ibdev = &hr_dev->ib_dev;
+ int ret;
+
+ ret = hns_roce_hw_v2_get_dscp(hr_dev, get_tclass(&attr->ah_attr.grh),
+ &hr_qp->tc_mode, &hr_qp->priority);
+ if (ret && ret != -EOPNOTSUPP &&
+ grh->sgid_attr->gid_type == IB_GID_TYPE_ROCE_UDP_ENCAP) {
+ ibdev_err_ratelimited(ibdev,
+ "failed to get dscp, ret = %d.\n", ret);
+ return ret;
+ }
+
+ if (hr_qp->tc_mode == HNAE3_TC_MAP_MODE_DSCP &&
+ grh->sgid_attr->gid_type == IB_GID_TYPE_ROCE_UDP_ENCAP)
+ hr_qp->sl = hr_qp->priority;
+ else
+ hr_qp->sl = rdma_ah_get_sl(&attr->ah_attr);
+
+ if (!check_sl_valid(hr_dev, hr_qp->sl))
+ return -EINVAL;
+
+ hr_reg_write(context, QPC_SL, hr_qp->sl);
+ hr_reg_clear(qpc_mask, QPC_SL);
+
+ return 0;
+}
+
static int hns_roce_v2_set_path(struct ib_qp *ibqp,
const struct ib_qp_attr *attr,
int attr_mask,
int is_roce_protocol;
u16 vlan_id = 0xffff;
bool is_udp = false;
- u32 max_sl;
u8 ib_port;
u8 hr_port;
int ret;
- max_sl = min_t(u32, MAX_SERVICE_LEVEL, hr_dev->caps.sl_num - 1);
- if (unlikely(sl > max_sl)) {
- ibdev_err_ratelimited(ibdev,
- "failed to fill QPC, sl (%u) shouldn't be larger than %u.\n",
- sl, max_sl);
- return -EINVAL;
- }
-
/*
* If free_mr_en of qp is set, it means that this qp comes from
* free mr. This qp will perform the loopback operation.
* In the loopback scenario, only sl needs to be set.
*/
if (hr_qp->free_mr_en) {
+ if (!check_sl_valid(hr_dev, sl))
+ return -EINVAL;
hr_reg_write(context, QPC_SL, sl);
hr_reg_clear(qpc_mask, QPC_SL);
hr_qp->sl = sl;
memcpy(context->dgid, grh->dgid.raw, sizeof(grh->dgid.raw));
memset(qpc_mask->dgid, 0, sizeof(grh->dgid.raw));
- hr_qp->sl = sl;
- hr_reg_write(context, QPC_SL, hr_qp->sl);
- hr_reg_clear(qpc_mask, QPC_SL);
-
- return 0;
+ return hns_roce_set_sl(ibqp, attr, context, qpc_mask);
}
static bool check_qp_state(enum ib_qp_state cur_state,
.query_srqc = hns_roce_v2_query_srqc,
.query_sccc = hns_roce_v2_query_sccc,
.query_hw_counter = hns_roce_hw_v2_query_counter,
+ .get_dscp = hns_roce_hw_v2_get_dscp,
.hns_roce_dev_ops = &hns_roce_v2_dev_ops,
.hns_roce_dev_srq_ops = &hns_roce_v2_dev_srq_ops,
};
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