From 6d39786bf116e476d75eca91f7cfa22586a32e5f Mon Sep 17 00:00:00 2001 From: Yishai Hadas Date: Mon, 23 May 2016 15:20:51 +0300 Subject: IB/core: Introduce Receive Work Queue indirection table Introduce Receive Work Queue (WQ) indirection table. This object can be used to spread incoming traffic to different receive Work Queues. A Receive WQ indirection table points to variable size of WQs. This table is given to a QP in downstream patches. Signed-off-by: Yishai Hadas Signed-off-by: Matan Barak Reviewed-by: Sagi Grimberg Signed-off-by: Doug Ledford --- include/rdma/ib_verbs.h | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) (limited to 'include') diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h index 0c1956a98573..fa2e0184dcc5 100644 --- a/include/rdma/ib_verbs.h +++ b/include/rdma/ib_verbs.h @@ -1473,6 +1473,21 @@ struct ib_wq_attr { enum ib_wq_state curr_wq_state; }; +struct ib_rwq_ind_table { + struct ib_device *device; + struct ib_uobject *uobject; + atomic_t usecnt; + u32 ind_tbl_num; + u32 log_ind_tbl_size; + struct ib_wq **ind_tbl; +}; + +struct ib_rwq_ind_table_init_attr { + u32 log_ind_tbl_size; + /* Each entry is a pointer to Receive Work Queue */ + struct ib_wq **ind_tbl; +}; + struct ib_qp { struct ib_device *device; struct ib_pd *pd; @@ -1974,6 +1989,10 @@ struct ib_device { struct ib_wq_attr *attr, u32 wq_attr_mask, struct ib_udata *udata); + struct ib_rwq_ind_table * (*create_rwq_ind_table)(struct ib_device *device, + struct ib_rwq_ind_table_init_attr *init_attr, + struct ib_udata *udata); + int (*destroy_rwq_ind_table)(struct ib_rwq_ind_table *wq_ind_table); struct ib_dma_mapping_ops *dma_ops; struct module *owner; @@ -3224,6 +3243,10 @@ struct ib_wq *ib_create_wq(struct ib_pd *pd, int ib_destroy_wq(struct ib_wq *wq); int ib_modify_wq(struct ib_wq *wq, struct ib_wq_attr *attr, u32 wq_attr_mask); +struct ib_rwq_ind_table *ib_create_rwq_ind_table(struct ib_device *device, + struct ib_rwq_ind_table_init_attr* + wq_ind_table_init_attr); +int ib_destroy_rwq_ind_table(struct ib_rwq_ind_table *wq_ind_table); int ib_map_mr_sg(struct ib_mr *mr, struct scatterlist *sg, int sg_nents, unsigned int *sg_offset, unsigned int page_size); -- cgit v1.2.3