From: Leon Romanovsky <leonro@xxxxxxxxxxxx>
Passive side (server) returns its answer through REP message,
which is constructed as a result of rdma_accept().
Signed-off-by: Leon Romanovsky <leonro@xxxxxxxxxxxx>
---
librdmacm/cma.c | 9 +++++++++
librdmacm/rdma_cma_abi.h | 1 +
2 files changed, 10 insertions(+)
diff --git a/librdmacm/cma.c b/librdmacm/cma.c
index 91735225..3c356eca 100644
--- a/librdmacm/cma.c
+++ b/librdmacm/cma.c
@@ -1668,6 +1668,14 @@ err:
return ret;
}
+static void ucma_copy_ece_param_to_kern_rep(struct cma_id_private *id_priv,
+ struct ucma_abi_ece *dst)
+{
+ /* Return result with same ID as received. */
+ dst->vendor_id = id_priv->remote_ece.vendor_id;
+ dst->attr_mod = id_priv->local_ece.options;
+}
+
int rdma_accept(struct rdma_cm_id *id, struct rdma_conn_param *conn_param)
{
uint32_t qp_num = id->qp ? id->qp->qp_num : conn_param->qp_num;
@@ -1709,6 +1717,7 @@ int rdma_accept(struct rdma_cm_id *id, struct rdma_conn_param *conn_param)
cmd.uid = (uintptr_t) id_priv;
ucma_copy_conn_param_to_kern(id_priv, &cmd.conn_param, conn_param,
qp_num, srq);
+ ucma_copy_ece_param_to_kern_rep(id_priv, &cmd.ece);
ret = write(id->channel->fd, &cmd, sizeof cmd);
if (ret != sizeof cmd) {
diff --git a/librdmacm/rdma_cma_abi.h b/librdmacm/rdma_cma_abi.h
index 6451862e..4639941b 100644
--- a/librdmacm/rdma_cma_abi.h
+++ b/librdmacm/rdma_cma_abi.h
@@ -254,6 +254,7 @@ struct ucma_abi_accept {
struct ucma_abi_conn_param conn_param;
__u32 id;
__u32 reserved;
+ struct ucma_abi_ece ece;
};
struct ucma_abi_reject {
--
2.25.2
