From: Leon Romanovsky <leonro@xxxxxxxxxxxx>
IBTA has specific rejected reason for users who doesn't
want proposed ECE options in request messages. Provide special
version (rdma_reject_ece) to mark such rejects.
Signed-off-by: Leon Romanovsky <leonro@xxxxxxxxxxxx>
---
debian/librdmacm1.symbols | 1 +
librdmacm/cma.c | 19 +++++++++++++++++--
librdmacm/librdmacm.map | 1 +
librdmacm/rdma_cma.h | 8 ++++++++
librdmacm/rdma_cma_abi.h | 7 ++++++-
5 files changed, 33 insertions(+), 3 deletions(-)
diff --git a/debian/librdmacm1.symbols b/debian/librdmacm1.symbols
index cc4d7a6c..ce5ffd20 100644
--- a/debian/librdmacm1.symbols
+++ b/debian/librdmacm1.symbols
@@ -44,6 +44,7 @@ librdmacm.so.1 librdmacm1 #MINVER#
rdma_migrate_id@RDMACM_1.0 1.0.15
rdma_notify@RDMACM_1.0 1.0.15
rdma_reject@RDMACM_1.0 1.0.15
+ rdma_reject_ece@RDMACM_1.3 28
rdma_resolve_addr@RDMACM_1.0 1.0.15
rdma_resolve_route@RDMACM_1.0 1.0.15
rdma_set_local_ece@RDMACM_1.3 28
diff --git a/librdmacm/cma.c b/librdmacm/cma.c
index 3c356eca..fc6e6a89 100644
--- a/librdmacm/cma.c
+++ b/librdmacm/cma.c
@@ -1731,8 +1731,9 @@ int rdma_accept(struct rdma_cm_id *id, struct rdma_conn_param *conn_param)
return ucma_complete(id);
}
-int rdma_reject(struct rdma_cm_id *id, const void *private_data,
- uint8_t private_data_len)
+static int reject_with_reason(struct rdma_cm_id *id, const void *private_data,
+ uint8_t private_data_len,
+ enum ucm_abi_reject_reason reason)
{
struct ucma_abi_reject cmd;
struct cma_id_private *id_priv;
@@ -1746,6 +1747,7 @@ int rdma_reject(struct rdma_cm_id *id, const void *private_data,
memcpy(cmd.private_data, private_data, private_data_len);
cmd.private_data_len = private_data_len;
}
+ cmd.reason = reason;
ret = write(id->channel->fd, &cmd, sizeof cmd);
if (ret != sizeof cmd)
@@ -1754,6 +1756,19 @@ int rdma_reject(struct rdma_cm_id *id, const void *private_data,
return 0;
}
+int rdma_reject(struct rdma_cm_id *id, const void *private_data,
+ uint8_t private_data_len)
+{
+ return reject_with_reason(id, private_data, private_data_len, 0);
+}
+
+int rdma_reject_ece(struct rdma_cm_id *id, const void *private_data,
+ uint8_t private_data_len)
+{
+ return reject_with_reason(id, private_data, private_data_len,
+ RDMA_USER_CM_REJ_VENDOR_OPTION_NOT_SUPPORTED);
+}
+
int rdma_notify(struct rdma_cm_id *id, enum ibv_event_type event)
{
struct ucma_abi_notify cmd;
diff --git a/librdmacm/librdmacm.map b/librdmacm/librdmacm.map
index f29a23b4..d162ef09 100644
--- a/librdmacm/librdmacm.map
+++ b/librdmacm/librdmacm.map
@@ -86,5 +86,6 @@ RDMACM_1.2 {
RDMACM_1.3 {
global:
rdma_get_remote_ece;
+ rdma_reject_ece;
rdma_set_local_ece;
} RDMACM_1.2;
diff --git a/librdmacm/rdma_cma.h b/librdmacm/rdma_cma.h
index c42a28f7..e1f4e236 100644
--- a/librdmacm/rdma_cma.h
+++ b/librdmacm/rdma_cma.h
@@ -524,6 +524,14 @@ int rdma_accept(struct rdma_cm_id *id, struct rdma_conn_param *conn_param);
int rdma_reject(struct rdma_cm_id *id, const void *private_data,
uint8_t private_data_len);
+/**
+ * rdma_reject_ece - Called to reject a connection request with ECE
+ * rejected reason.
+ * The same as rdma_reject()
+ */
+int rdma_reject_ece(struct rdma_cm_id *id, const void *private_data,
+ uint8_t private_data_len);
+
/**
* rdma_notify - Notifies the librdmacm of an asynchronous event.
* @id: RDMA identifier.
diff --git a/librdmacm/rdma_cma_abi.h b/librdmacm/rdma_cma_abi.h
index 4639941b..911863cc 100644
--- a/librdmacm/rdma_cma_abi.h
+++ b/librdmacm/rdma_cma_abi.h
@@ -73,6 +73,10 @@ enum {
UCMA_CMD_JOIN_MCAST
};
+enum ucm_abi_reject_reason {
+ RDMA_USER_CM_REJ_VENDOR_OPTION_NOT_SUPPORTED = 35
+};
+
struct ucma_abi_cmd_hdr {
__u32 cmd;
__u16 in;
@@ -263,7 +267,8 @@ struct ucma_abi_reject {
__u16 out;
__u32 id;
__u8 private_data_len;
- __u8 reserved[3];
+ __u8 reason; /* enum ucm_abi_reject_reason */
+ __u8 reserved[2];
__u8 private_data[RDMA_MAX_PRIVATE_DATA];
};
--
2.25.2
