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00fab6cf32
This is just a start moving into a common smbdirect layer. It will be used in the next commits... 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: Hyunchul Lee <hyc.lee@gmail.com> Cc: Meetakshi Setiya <meetakshisetiyaoss@gmail.com> 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>
56 lines
1.3 KiB
C
56 lines
1.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* Copyright (c) 2017 Stefan Metzmacher
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*/
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#ifndef __FS_SMB_COMMON_SMBDIRECT_SMBDIRECT_PDU_H__
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#define __FS_SMB_COMMON_SMBDIRECT_SMBDIRECT_PDU_H__
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#define SMBDIRECT_V1 0x0100
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/* SMBD negotiation request packet [MS-SMBD] 2.2.1 */
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struct smbdirect_negotiate_req {
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__le16 min_version;
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__le16 max_version;
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__le16 reserved;
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__le16 credits_requested;
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__le32 preferred_send_size;
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__le32 max_receive_size;
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__le32 max_fragmented_size;
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} __packed;
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/* SMBD negotiation response packet [MS-SMBD] 2.2.2 */
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struct smbdirect_negotiate_resp {
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__le16 min_version;
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__le16 max_version;
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__le16 negotiated_version;
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__le16 reserved;
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__le16 credits_requested;
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__le16 credits_granted;
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__le32 status;
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__le32 max_readwrite_size;
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__le32 preferred_send_size;
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__le32 max_receive_size;
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__le32 max_fragmented_size;
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} __packed;
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#define SMBDIRECT_DATA_MIN_HDR_SIZE 0x14
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#define SMBDIRECT_DATA_OFFSET 0x18
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#define SMBDIRECT_FLAG_RESPONSE_REQUESTED 0x0001
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/* SMBD data transfer packet with payload [MS-SMBD] 2.2.3 */
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struct smbdirect_data_transfer {
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__le16 credits_requested;
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__le16 credits_granted;
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__le16 flags;
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__le16 reserved;
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__le32 remaining_data_length;
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__le32 data_offset;
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__le32 data_length;
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__le32 padding;
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__u8 buffer[];
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} __packed;
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#endif /* __FS_SMB_COMMON_SMBDIRECT_SMBDIRECT_PDU_H__ */
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