From: Stefan Metzmacher <metze@samba.org>
Date: Sat, 20 Sep 2025 21:14:15 +0000 (+0200)
Subject: smb: smbdirect: define SMBDIRECT_RDMA_CM_[RNR_]RETRY
X-Git-Tag: v7.1-rc1~128^2~112
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=822b1f296a4a230425464a7e42a7f180990aed5d;p=thirdparty%2Fkernel%2Flinux.git

smb: smbdirect: define SMBDIRECT_RDMA_CM_[RNR_]RETRY

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

Cc: Steve French <smfrench@gmail.com>
Cc: Tom Talpey <tom@talpey.com>
Cc: Long Li <longli@microsoft.com>
Cc: Namjae Jeon <linkinjeon@kernel.org>
Cc: linux-cifs@vger.kernel.org
Cc: samba-technical@lists.samba.org
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Acked-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
---

diff --git a/fs/smb/common/smbdirect/smbdirect_socket.h b/fs/smb/common/smbdirect/smbdirect_socket.h
index 36e6822c3795e..dec91a102622e 100644
--- a/fs/smb/common/smbdirect/smbdirect_socket.h
+++ b/fs/smb/common/smbdirect/smbdirect_socket.h
@@ -749,4 +749,13 @@ 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__ */