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[rdma-next,4/9] RDMA/uapi: Add ECE definitions to UCMA

Message ID 20200305150105.207959-5-leon@kernel.org (mailing list archive)
State Superseded
Headers show
Series Add Enhanced Connection Established (ECE) | expand

Commit Message

Leon Romanovsky March 5, 2020, 3:01 p.m. UTC 
From: Leon Romanovsky <leonro@mellanox.com>

ECE parameters are used to perform handshake between different
CMID nodes in order to allow extra connection setup supported
by those two nodes. The data is provided by rdma_connect()
for the client and rdma_get_events() for the server.

Reviewed-by: Mark Zhang <markz@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
---
 include/uapi/rdma/rdma_user_cm.h | 7 +++++++
 1 file changed, 7 insertions(+)

--
2.24.1
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Patch

diff --git a/include/uapi/rdma/rdma_user_cm.h b/include/uapi/rdma/rdma_user_cm.h
index e42940a215a3..150b3f075f99 100644
--- a/include/uapi/rdma/rdma_user_cm.h
+++ b/include/uapi/rdma/rdma_user_cm.h
@@ -206,10 +206,16 @@  struct rdma_ucm_ud_param {
 	__u8  reserved[7];
 };

+struct rdma_ucm_ece {
+	__u32 vendor_id;
+	__u32 attr_mod;
+};
+
 struct rdma_ucm_connect {
 	struct rdma_ucm_conn_param conn_param;
 	__u32 id;
 	__u32 reserved;
+	struct rdma_ucm_ece ece;
 };

 struct rdma_ucm_listen {
@@ -287,6 +293,7 @@  struct rdma_ucm_event_resp {
 		struct rdma_ucm_ud_param   ud;
 	} param;
 	__u32 reserved;
+	struct rdma_ucm_ece ece;
 };

 /* Option levels */