17e136a71SStefan Metzmacher /* SPDX-License-Identifier: GPL-2.0-or-later */ 27e136a71SStefan Metzmacher /* 37e136a71SStefan Metzmacher * Copyright (C) 2017, Microsoft Corporation. 47e136a71SStefan Metzmacher * Copyright (C) 2018, LG Electronics. 57e136a71SStefan Metzmacher */ 67e136a71SStefan Metzmacher 77e136a71SStefan Metzmacher #ifndef __FS_SMB_COMMON_SMBDIRECT_SMBDIRECT_H__ 87e136a71SStefan Metzmacher #define __FS_SMB_COMMON_SMBDIRECT_SMBDIRECT_H__ 97e136a71SStefan Metzmacher 107e136a71SStefan Metzmacher /* SMB-DIRECT buffer descriptor V1 structure [MS-SMBD] 2.2.3.1 */ 117e136a71SStefan Metzmacher struct smbdirect_buffer_descriptor_v1 { 127e136a71SStefan Metzmacher __le64 offset; 137e136a71SStefan Metzmacher __le32 token; 147e136a71SStefan Metzmacher __le32 length; 157e136a71SStefan Metzmacher } __packed; 167e136a71SStefan Metzmacher 17*dce8047fSStefan Metzmacher /* 18*dce8047fSStefan Metzmacher * Connection parameters mostly from [MS-SMBD] 3.1.1.1 19*dce8047fSStefan Metzmacher * 20*dce8047fSStefan Metzmacher * These are setup and negotiated at the beginning of a 21*dce8047fSStefan Metzmacher * connection and remain constant unless explicitly changed. 22*dce8047fSStefan Metzmacher * 23*dce8047fSStefan Metzmacher * Some values are important for the upper layer. 24*dce8047fSStefan Metzmacher */ 25*dce8047fSStefan Metzmacher struct smbdirect_socket_parameters { 26*dce8047fSStefan Metzmacher __u16 recv_credit_max; 27*dce8047fSStefan Metzmacher __u16 send_credit_target; 28*dce8047fSStefan Metzmacher __u32 max_send_size; 29*dce8047fSStefan Metzmacher __u32 max_fragmented_send_size; 30*dce8047fSStefan Metzmacher __u32 max_recv_size; 31*dce8047fSStefan Metzmacher __u32 max_fragmented_recv_size; 32*dce8047fSStefan Metzmacher __u32 max_read_write_size; 33*dce8047fSStefan Metzmacher __u32 keepalive_interval_msec; 34*dce8047fSStefan Metzmacher __u32 keepalive_timeout_msec; 35*dce8047fSStefan Metzmacher } __packed; 36*dce8047fSStefan Metzmacher 377e136a71SStefan Metzmacher #endif /* __FS_SMB_COMMON_SMBDIRECT_SMBDIRECT_H__ */ 38