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IB/core: Add XRQ capabilities 

This patch adds following TM XRQ capabilities:

* max_rndv_hdr_size - Max size of rendezvous request message
* max_num_tags - Max number of entries in tag matching list
* max_ops - Max number of outstanding list operations
* max_sge - Max number of SGE in tag matching entry
* flags - the following flags are currently defined:
    - IB_TM_CAP_RC - Support tag matching on RC transport

Signed-off-by: Artemy Kovalyov <artemyko@mellanox.com>
Reviewed-by: Yossi Itigin <yosefe@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Artemy Kovalyov 2017-08-17 15:52:03 +03:00 committed by Doug Ledford
parent 6e44636aea
commit 6938fc1ee0
1 changed files with 19 additions and 0 deletions
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19
include/rdma/ib_verbs.h
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@ -280,6 +280,24 @@ struct ib_rss_caps {
u32 max_rwq_indirection_table_size;
};
enum ib_tm_cap_flags {
/* Support tag matching on RC transport */
IB_TM_CAP_RC = 1 << 0,
};
struct ib_xrq_caps {
/* Max size of RNDV header */
u32 max_rndv_hdr_size;
/* Max number of entries in tag matching list */
u32 max_num_tags;
/* From enum ib_tm_cap_flags */
u32 flags;
/* Max number of outstanding list operations */
u32 max_ops;
/* Max number of SGE in tag matching entry */
u32 max_sge;
};
enum ib_cq_creation_flags {
IB_CQ_FLAGS_TIMESTAMP_COMPLETION = 1 << 0,
IB_CQ_FLAGS_IGNORE_OVERRUN = 1 << 1,
@ -340,6 +358,7 @@ struct ib_device_attr {
struct ib_rss_caps rss_caps;
u32 max_wq_type_rq;
u32 raw_packet_caps; /* Use ib_raw_packet_caps enum */
struct ib_xrq_caps xrq_caps;
};
enum ib_mtu {