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IB/core: Expose RSS related capabilities

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Expose RSS related capabilities, it includes both direct ones (i.e.
struct ib_rss_caps) and max_wq_type_rq which may be used in both
RSS and non RSS flows.

Specifically,
supported_qpts:
- QP types that support RSS on the device.

max_rwq_indirection_tables:
- Max number of receive work queue indirection tables that
  could be opened on the device.

max_rwq_indirection_table_size:
- Max size of a receive work queue indirection table.

max_wq_type_rq:
- Max number of work queues of receive type that
  could be opened on the device.

Signed-off-by: Yishai Hadas <yishaih@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Yishai Hadas 2016-08-28 11:28:43 +03:00 committed by Doug Ledford
parent 5ef990f06b
commit ccf2056260
1 changed files with 12 additions and 0 deletions
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12
include/rdma/ib_verbs.h
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@ -261,6 +261,16 @@ struct ib_odp_caps {
} per_transport_caps;
};
struct ib_rss_caps {
/* Corresponding bit will be set if qp type from
* 'enum ib_qp_type' is supported, e.g.
* supported_qpts |= 1 << IB_QPT_UD
*/
u32 supported_qpts;
u32 max_rwq_indirection_tables;
u32 max_rwq_indirection_table_size;
};
enum ib_cq_creation_flags {
IB_CQ_FLAGS_TIMESTAMP_COMPLETION = 1 << 0,
IB_CQ_FLAGS_IGNORE_OVERRUN = 1 << 1,
@ -318,6 +328,8 @@ struct ib_device_attr {
struct ib_odp_caps odp_caps;
uint64_t timestamp_mask;
uint64_t hca_core_clock; /* in KHZ */
struct ib_rss_caps rss_caps;
u32 max_wq_type_rq;
};
enum ib_mtu {