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RDMA/efa: Introduce SRD RNR retry

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This patch introduces the ability to configure SRD QPs with the RNR retry
parameter when issuing a modify QP command.

In addition, a capability bit was added to report support to the userspace
library.

Link: https://lore.kernel.org/r/20200731060420.17053-5-galpress@amazon.com
Reviewed-by: Firas JahJah <firasj@amazon.com>
Reviewed-by: Yossi Leybovich <sleybo@amazon.com>
Signed-off-by: Gal Pressman <galpress@amazon.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
This commit is contained in:
Gal Pressman
2020-07-31 09:04:20 +03:00
committed by Jason Gunthorpe
parent 22c50e0660
commit a4e6a1dd57
5 changed files with 32 additions and 9 deletions
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2
drivers/infiniband/hw/efa/efa_com_cmd.h
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@@ -47,6 +47,7 @@ struct efa_com_modify_qp_params {
u32 qkey;
u32 sq_psn;
u8 sq_drained_async_notify;
u8 rnr_retry;
};
struct efa_com_query_qp_params {
@@ -58,6 +59,7 @@ struct efa_com_query_qp_result {
u32 qkey;
u32 sq_draining;
u32 sq_psn;
u8 rnr_retry;
};
struct efa_com_destroy_qp_params {