[PATCH 6.16 128/149] smb: smbdirect: introduce struct smbdirect_recv_io

[Greg Kroah-Hartman <gregkh@linuxfoundation.org>]

6.16-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Stefan Metzmacher <metze@samba.org>

[ Upstream commit 60812d20da82606f0620904c281579a9af0ab452 ]

This will be used in client and server soon
in order to replace smbd_response/smb_direct_recvmsg.

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>
Signed-off-by: Steve French <stfrench@microsoft.com>
Stable-dep-of: f57e53ea2523 ("smb: client: let recv_done verify data_offset, data_length and remaining_data_length")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 fs/smb/common/smbdirect/smbdirect_socket.h | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/fs/smb/common/smbdirect/smbdirect_socket.h b/fs/smb/common/smbdirect/smbdirect_socket.h
index 5db7815b614f8..a7ad31c471a7b 100644
--- a/fs/smb/common/smbdirect/smbdirect_socket.h
+++ b/fs/smb/common/smbdirect/smbdirect_socket.h
@@ -54,4 +54,19 @@ struct smbdirect_socket {
 	} recv_io;
 };
 
+struct smbdirect_recv_io {
+	struct smbdirect_socket *socket;
+	struct ib_cqe cqe;
+	struct ib_sge sge;
+
+	/* Link to free or reassembly list */
+	struct list_head list;
+
+	/* Indicate if this is the 1st packet of a payload */
+	bool first_segment;
+
+	/* SMBD packet header and payload follows this structure */
+	u8 packet[];
+};
+
 #endif /* __FS_SMB_COMMON_SMBDIRECT_SMBDIRECT_SOCKET_H__ */
-- 
2.51.0