[PATCH v4 037/145] smb: smbdirect: define SMBDIRECT_RDMA_CM_[RNR_]RETRY

[Stefan Metzmacher]

These are copies of {SMBD,SMB_DIRECT}_CM_[RNR_]RETRY.

Cc: Steve French <smfrench at gmail.com>
Cc: Tom Talpey <tom at talpey.com>
Cc: Long Li <longli at microsoft.com>
Cc: Namjae Jeon <linkinjeon at kernel.org>
Cc: linux-cifs at vger.kernel.org
Cc: samba-technical at lists.samba.org
Signed-off-by: Stefan Metzmacher <metze at samba.org>
Signed-off-by: Steve French <stfrench at microsoft.com>
---
 fs/smb/common/smbdirect/smbdirect_socket.h | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/fs/smb/common/smbdirect/smbdirect_socket.h b/fs/smb/common/smbdirect/smbdirect_socket.h
index a0076223daf9..eb9e498c2e2c 100644
--- a/fs/smb/common/smbdirect/smbdirect_socket.h
+++ b/fs/smb/common/smbdirect/smbdirect_socket.h
@@ -727,4 +727,13 @@ static inline size_t smbdirect_get_buf_page_count(const void *buf, size_t size)
 		(uintptr_t)buf / PAGE_SIZE;
 }
 
+/*
+ * Maximum number of retries on data transfer operations
+ */
+#define SMBDIRECT_RDMA_CM_RETRY 6
+/*
+ * No need to retry on Receiver Not Ready since SMB_DIRECT manages credits
+ */
+#define SMBDIRECT_RDMA_CM_RNR_RETRY 0
+
 #endif /* __FS_SMB_COMMON_SMBDIRECT_SMBDIRECT_SOCKET_H__ */
-- 
2.43.0