diff options
| author | Artemy Kovalyov <artemyko@mellanox.com> | 2017-08-17 15:52:03 +0300 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2017-08-29 08:30:16 -0400 |
| commit | 6938fc1ee07e54c057430005f8dcaccabce027c3 (patch) | |
| tree | 80a11c22ab4b595e54002f1a4f057442d33f8ff6 /include/rdma | |
| parent | 6e44636aeab19259f804c8abca57a95ddc01df66 (diff) | |
| download | linux-stable-6938fc1ee07e54c057430005f8dcaccabce027c3.tar.gz linux-stable-6938fc1ee07e54c057430005f8dcaccabce027c3.tar.bz2 linux-stable-6938fc1ee07e54c057430005f8dcaccabce027c3.zip | |
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>
Diffstat (limited to 'include/rdma')
| -rw-r--r-- | include/rdma/ib_verbs.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h index 355c7a328e0b..cab0bdcfad51 100644 --- a/include/rdma/ib_verbs.h +++ b/include/rdma/ib_verbs.h @@ -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 { |