hnsdv_create_qp - creates a HNS specific queue pair (QP)

Please see ibv_create_qp_ex(3) man page for context and qp_attr. hns_attr struct hnsdv_qp_init_attr { uint64_t comp_mask; uint32_t create_flags; uint8_t congest_type; uint8_t reserved[3]; }; comp_mask Bitmask specifying what fields in the structure are valid: HNSDV_QP_INIT_ATTR_MASK_QP_CONGEST_TYPE: Valid values in congest_type. Allow setting a congestion control algorithm for QP. create_flags Enable the QP of a feature. congest_type Type of congestion control algorithm: HNSDV_QP_CREATE_ENABLE_DCQCN: Data Center Quantized Congestion Notification HNSDV_QP_CREATE_ENABLE_LDCP: Low Delay Control Protocol HNSDV_QP_CREATE_ENABLE_HC3: Huawei Converged Congestion Control HNSDV_QP_CREATE_ENABLE_DIP: Destination IP based Quantized Congestion Notification

Junxian Huang huangjunxian6@hisilicon.com hns 2024-02-06 HNSDV_CREATE_QP(3)

hnsdv_create_qp() creates a HNS specific queue pair (QP) with specific driver properties.

hnsdv_create_qp - creates a HNS specific queue pair (QP)

hnsdv_create_qp() returns a pointer to the created QP, on error NULL will be returned and errno will be set.

ibv_create_qp_ex(3)

#include <infiniband/hnsdv.h> struct ibv_qp *hnsdv_create_qp(struct ibv_context *context, struct ibv_qp_init_attr_ex *qp_attr, struct hnsdv_qp_init_attr *hns_attr);