F: fs/smb/client/smbdirect.*
F: fs/smb/smbdirect/
F: fs/smb/server/transport_rdma.*
+F: include/linux/smbdirect.h
SMC91x ETHERNET DRIVER
M: Nicolas Pitre <nico@fluxnic.net>
#include "cifs_debug.h"
#include "cifsproto.h"
#include "smb2proto.h"
-#include "../smbdirect/public.h"
/* Port numbers for SMBD transport */
#define SMB_PORT 445
#include "cifsglob.h"
-#include "../smbdirect/smbdirect.h"
+#include <linux/smbdirect.h>
extern int rdma_readwrite_threshold;
extern int smbd_max_frmr_depth;
#include "smb_common.h"
#include "../common/smb2status.h"
#include "transport_rdma.h"
-#include "../smbdirect/public.h"
#define SMB_DIRECT_PORT_IWARP 5445
static inline unsigned int get_smbd_max_read_write_size(struct ksmbd_transport *kt) { return 0; }
#endif
-#include "../smbdirect/smbdirect.h"
+#include <linux/smbdirect.h>
#endif /* __KSMBD_TRANSPORT_RDMA_H__ */
#define DEFAULT_SYMBOL_NAMESPACE "SMBDIRECT"
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
-#include "smbdirect.h"
+#include <linux/smbdirect.h>
#include "pdu.h"
-#include "public.h"
#include <linux/mutex.h>
+++ /dev/null
-/* SPDX-License-Identifier: GPL-2.0-or-later */
-/*
- * Copyright (C) 2025, Stefan Metzmacher
- */
-
-#ifndef __FS_SMB_COMMON_SMBDIRECT_SMBDIRECT_PUBLIC_H__
-#define __FS_SMB_COMMON_SMBDIRECT_SMBDIRECT_PUBLIC_H__
-
-struct smbdirect_buffer_descriptor_v1;
-struct smbdirect_socket_parameters;
-
-struct smbdirect_socket;
-struct smbdirect_send_batch;
-struct smbdirect_mr_io;
-
-#include <rdma/rw.h>
-
-u8 smbdirect_netdev_rdma_capable_node_type(struct net_device *netdev);
-
-bool smbdirect_frwr_is_supported(const struct ib_device_attr *attrs);
-
-int smbdirect_socket_create_kern(struct net *net, struct smbdirect_socket **_sc);
-
-int smbdirect_socket_create_accepting(struct rdma_cm_id *id, struct smbdirect_socket **_sc);
-
-int smbdirect_socket_set_initial_parameters(struct smbdirect_socket *sc,
- const struct smbdirect_socket_parameters *sp);
-
-const struct smbdirect_socket_parameters *
-smbdirect_socket_get_current_parameters(struct smbdirect_socket *sc);
-
-int smbdirect_socket_set_kernel_settings(struct smbdirect_socket *sc,
- enum ib_poll_context poll_ctx,
- gfp_t gfp_mask);
-
-#define SMBDIRECT_LOG_ERR 0x0
-#define SMBDIRECT_LOG_INFO 0x1
-
-#define SMBDIRECT_LOG_OUTGOING 0x1
-#define SMBDIRECT_LOG_INCOMING 0x2
-#define SMBDIRECT_LOG_READ 0x4
-#define SMBDIRECT_LOG_WRITE 0x8
-#define SMBDIRECT_LOG_RDMA_SEND 0x10
-#define SMBDIRECT_LOG_RDMA_RECV 0x20
-#define SMBDIRECT_LOG_KEEP_ALIVE 0x40
-#define SMBDIRECT_LOG_RDMA_EVENT 0x80
-#define SMBDIRECT_LOG_RDMA_MR 0x100
-#define SMBDIRECT_LOG_RDMA_RW 0x200
-#define SMBDIRECT_LOG_NEGOTIATE 0x400
-void smbdirect_socket_set_logging(struct smbdirect_socket *sc,
- void *private_ptr,
- bool (*needed)(struct smbdirect_socket *sc,
- void *private_ptr,
- unsigned int lvl,
- unsigned int cls),
- void (*vaprintf)(struct smbdirect_socket *sc,
- const char *func,
- unsigned int line,
- void *private_ptr,
- unsigned int lvl,
- unsigned int cls,
- struct va_format *vaf));
-
-bool smbdirect_connection_is_connected(struct smbdirect_socket *sc);
-
-int smbdirect_connection_wait_for_connected(struct smbdirect_socket *sc);
-
-int smbdirect_socket_bind(struct smbdirect_socket *sc, struct sockaddr *addr);
-
-void smbdirect_socket_shutdown(struct smbdirect_socket *sc);
-
-void smbdirect_socket_release(struct smbdirect_socket *sc);
-
-int smbdirect_connection_send_batch_flush(struct smbdirect_socket *sc,
- struct smbdirect_send_batch *batch,
- bool is_last);
-
-/*
- * This is only temporary and only needed
- * as long as the client still requires
- * to use smbdirect_connection_send_single_iter()
- */
-struct smbdirect_send_batch_storage {
- union {
- struct list_head __msg_list;
- __aligned_u64 __space[5];
- };
-};
-
-struct smbdirect_send_batch *
-smbdirect_init_send_batch_storage(struct smbdirect_send_batch_storage *storage,
- bool need_invalidate_rkey,
- unsigned int remote_key);
-
-int smbdirect_connection_send_single_iter(struct smbdirect_socket *sc,
- struct smbdirect_send_batch *batch,
- struct iov_iter *iter,
- unsigned int flags,
- u32 remaining_data_length);
-
-int smbdirect_connection_send_wait_zero_pending(struct smbdirect_socket *sc);
-
-int smbdirect_connection_send_iter(struct smbdirect_socket *sc,
- struct iov_iter *iter,
- unsigned int flags,
- bool need_invalidate,
- unsigned int remote_key);
-
-int smbdirect_connection_recvmsg(struct smbdirect_socket *sc,
- struct msghdr *msg,
- unsigned int flags);
-
-int smbdirect_connect(struct smbdirect_socket *sc,
- const struct sockaddr *dst);
-
-int smbdirect_connect_sync(struct smbdirect_socket *sc,
- const struct sockaddr *dst);
-
-int smbdirect_socket_listen(struct smbdirect_socket *sc, int backlog);
-
-struct smbdirect_socket *smbdirect_socket_accept(struct smbdirect_socket *lsc,
- long timeo,
- struct proto_accept_arg *arg);
-
-int smbdirect_connection_rdma_xmit(struct smbdirect_socket *sc,
- void *buf, size_t buf_len,
- struct smbdirect_buffer_descriptor_v1 *desc,
- size_t desc_len,
- bool is_read);
-
-struct smbdirect_mr_io *
-smbdirect_connection_register_mr_io(struct smbdirect_socket *sc,
- struct iov_iter *iter,
- bool writing,
- bool need_invalidate);
-
-void smbdirect_mr_io_fill_buffer_descriptor(struct smbdirect_mr_io *mr,
- struct smbdirect_buffer_descriptor_v1 *v1);
-
-void smbdirect_connection_deregister_mr_io(struct smbdirect_mr_io *mr);
-
-void smbdirect_connection_legacy_debug_proc_show(struct smbdirect_socket *sc,
- unsigned int rdma_readwrite_threshold,
- struct seq_file *m);
-
-#endif /* __FS_SMB_COMMON_SMBDIRECT_SMBDIRECT_PUBLIC_H__ */
+++ /dev/null
-/* SPDX-License-Identifier: GPL-2.0-or-later */
-/*
- * Copyright (C) 2025 Stefan Metzmacher
- */
-
-#ifndef __FS_SMB_COMMON_SMBDIRECT_SMBDIRECT_H__
-#define __FS_SMB_COMMON_SMBDIRECT_SMBDIRECT_H__
-
-#include <linux/types.h>
-
-/* SMB-DIRECT buffer descriptor V1 structure [MS-SMBD] 2.2.3.1 */
-struct smbdirect_buffer_descriptor_v1 {
- __le64 offset;
- __le32 token;
- __le32 length;
-} __packed;
-
-/*
- * Connection parameters mostly from [MS-SMBD] 3.1.1.1
- *
- * These are setup and negotiated at the beginning of a
- * connection and remain constant unless explicitly changed.
- *
- * Some values are important for the upper layer.
- */
-struct smbdirect_socket_parameters {
- __u64 flags;
-#define SMBDIRECT_FLAG_PORT_RANGE_ONLY_IB ((__u64)0x1)
-#define SMBDIRECT_FLAG_PORT_RANGE_ONLY_IW ((__u64)0x2)
- __u32 resolve_addr_timeout_msec;
- __u32 resolve_route_timeout_msec;
- __u32 rdma_connect_timeout_msec;
- __u32 negotiate_timeout_msec;
- __u16 initiator_depth; /* limited to U8_MAX */
- __u16 responder_resources; /* limited to U8_MAX */
- __u16 recv_credit_max;
- __u16 send_credit_target;
- __u32 max_send_size;
- __u32 max_fragmented_send_size;
- __u32 max_recv_size;
- __u32 max_fragmented_recv_size;
- __u32 max_read_write_size;
- __u32 max_frmr_depth;
- __u32 keepalive_interval_msec;
- __u32 keepalive_timeout_msec;
-} __packed;
-
-#define SMBDIRECT_FLAG_PORT_RANGE_MASK ( \
- SMBDIRECT_FLAG_PORT_RANGE_ONLY_IB | \
- SMBDIRECT_FLAG_PORT_RANGE_ONLY_IW)
-
-#endif /* __FS_SMB_COMMON_SMBDIRECT_SMBDIRECT_H__ */
--- /dev/null
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Copyright (C) 2025, Stefan Metzmacher
+ */
+
+#ifndef __LINUX_SMBDIRECT_H__
+#define __LINUX_SMBDIRECT_H__
+
+#include <linux/types.h>
+
+/* SMB-DIRECT buffer descriptor V1 structure [MS-SMBD] 2.2.3.1 */
+struct smbdirect_buffer_descriptor_v1 {
+ __le64 offset;
+ __le32 token;
+ __le32 length;
+} __packed;
+
+/*
+ * Connection parameters mostly from [MS-SMBD] 3.1.1.1
+ *
+ * These are setup and negotiated at the beginning of a
+ * connection and remain constant unless explicitly changed.
+ *
+ * Some values are important for the upper layer.
+ */
+struct smbdirect_socket_parameters {
+ __u64 flags;
+#define SMBDIRECT_FLAG_PORT_RANGE_ONLY_IB ((__u64)0x1)
+#define SMBDIRECT_FLAG_PORT_RANGE_ONLY_IW ((__u64)0x2)
+ __u32 resolve_addr_timeout_msec;
+ __u32 resolve_route_timeout_msec;
+ __u32 rdma_connect_timeout_msec;
+ __u32 negotiate_timeout_msec;
+ __u16 initiator_depth; /* limited to U8_MAX */
+ __u16 responder_resources; /* limited to U8_MAX */
+ __u16 recv_credit_max;
+ __u16 send_credit_target;
+ __u32 max_send_size;
+ __u32 max_fragmented_send_size;
+ __u32 max_recv_size;
+ __u32 max_fragmented_recv_size;
+ __u32 max_read_write_size;
+ __u32 max_frmr_depth;
+ __u32 keepalive_interval_msec;
+ __u32 keepalive_timeout_msec;
+} __packed;
+
+#define SMBDIRECT_FLAG_PORT_RANGE_MASK ( \
+ SMBDIRECT_FLAG_PORT_RANGE_ONLY_IB | \
+ SMBDIRECT_FLAG_PORT_RANGE_ONLY_IW)
+
+struct smbdirect_socket;
+struct smbdirect_send_batch;
+struct smbdirect_mr_io;
+
+#include <rdma/rw.h>
+
+u8 smbdirect_netdev_rdma_capable_node_type(struct net_device *netdev);
+
+bool smbdirect_frwr_is_supported(const struct ib_device_attr *attrs);
+
+int smbdirect_socket_create_kern(struct net *net, struct smbdirect_socket **_sc);
+
+int smbdirect_socket_create_accepting(struct rdma_cm_id *id, struct smbdirect_socket **_sc);
+
+int smbdirect_socket_set_initial_parameters(struct smbdirect_socket *sc,
+ const struct smbdirect_socket_parameters *sp);
+
+const struct smbdirect_socket_parameters *
+smbdirect_socket_get_current_parameters(struct smbdirect_socket *sc);
+
+int smbdirect_socket_set_kernel_settings(struct smbdirect_socket *sc,
+ enum ib_poll_context poll_ctx,
+ gfp_t gfp_mask);
+
+#define SMBDIRECT_LOG_ERR 0x0
+#define SMBDIRECT_LOG_INFO 0x1
+
+#define SMBDIRECT_LOG_OUTGOING 0x1
+#define SMBDIRECT_LOG_INCOMING 0x2
+#define SMBDIRECT_LOG_READ 0x4
+#define SMBDIRECT_LOG_WRITE 0x8
+#define SMBDIRECT_LOG_RDMA_SEND 0x10
+#define SMBDIRECT_LOG_RDMA_RECV 0x20
+#define SMBDIRECT_LOG_KEEP_ALIVE 0x40
+#define SMBDIRECT_LOG_RDMA_EVENT 0x80
+#define SMBDIRECT_LOG_RDMA_MR 0x100
+#define SMBDIRECT_LOG_RDMA_RW 0x200
+#define SMBDIRECT_LOG_NEGOTIATE 0x400
+void smbdirect_socket_set_logging(struct smbdirect_socket *sc,
+ void *private_ptr,
+ bool (*needed)(struct smbdirect_socket *sc,
+ void *private_ptr,
+ unsigned int lvl,
+ unsigned int cls),
+ void (*vaprintf)(struct smbdirect_socket *sc,
+ const char *func,
+ unsigned int line,
+ void *private_ptr,
+ unsigned int lvl,
+ unsigned int cls,
+ struct va_format *vaf));
+
+bool smbdirect_connection_is_connected(struct smbdirect_socket *sc);
+
+int smbdirect_connection_wait_for_connected(struct smbdirect_socket *sc);
+
+int smbdirect_socket_bind(struct smbdirect_socket *sc, struct sockaddr *addr);
+
+void smbdirect_socket_shutdown(struct smbdirect_socket *sc);
+
+void smbdirect_socket_release(struct smbdirect_socket *sc);
+
+int smbdirect_connection_send_batch_flush(struct smbdirect_socket *sc,
+ struct smbdirect_send_batch *batch,
+ bool is_last);
+
+/*
+ * This is only temporary and only needed
+ * as long as the client still requires
+ * to use smbdirect_connection_send_single_iter()
+ */
+struct smbdirect_send_batch_storage {
+ union {
+ struct list_head __msg_list;
+ __aligned_u64 __space[5];
+ };
+};
+
+struct smbdirect_send_batch *
+smbdirect_init_send_batch_storage(struct smbdirect_send_batch_storage *storage,
+ bool need_invalidate_rkey,
+ unsigned int remote_key);
+
+int smbdirect_connection_send_single_iter(struct smbdirect_socket *sc,
+ struct smbdirect_send_batch *batch,
+ struct iov_iter *iter,
+ unsigned int flags,
+ u32 remaining_data_length);
+
+int smbdirect_connection_send_wait_zero_pending(struct smbdirect_socket *sc);
+
+int smbdirect_connection_send_iter(struct smbdirect_socket *sc,
+ struct iov_iter *iter,
+ unsigned int flags,
+ bool need_invalidate,
+ unsigned int remote_key);
+
+int smbdirect_connection_recvmsg(struct smbdirect_socket *sc,
+ struct msghdr *msg,
+ unsigned int flags);
+
+int smbdirect_connect(struct smbdirect_socket *sc,
+ const struct sockaddr *dst);
+
+int smbdirect_connect_sync(struct smbdirect_socket *sc,
+ const struct sockaddr *dst);
+
+int smbdirect_socket_listen(struct smbdirect_socket *sc, int backlog);
+
+struct smbdirect_socket *smbdirect_socket_accept(struct smbdirect_socket *lsc,
+ long timeo,
+ struct proto_accept_arg *arg);
+
+int smbdirect_connection_rdma_xmit(struct smbdirect_socket *sc,
+ void *buf, size_t buf_len,
+ struct smbdirect_buffer_descriptor_v1 *desc,
+ size_t desc_len,
+ bool is_read);
+
+struct smbdirect_mr_io *
+smbdirect_connection_register_mr_io(struct smbdirect_socket *sc,
+ struct iov_iter *iter,
+ bool writing,
+ bool need_invalidate);
+
+void smbdirect_mr_io_fill_buffer_descriptor(struct smbdirect_mr_io *mr,
+ struct smbdirect_buffer_descriptor_v1 *v1);
+
+void smbdirect_connection_deregister_mr_io(struct smbdirect_mr_io *mr);
+
+void smbdirect_connection_legacy_debug_proc_show(struct smbdirect_socket *sc,
+ unsigned int rdma_readwrite_threshold,
+ struct seq_file *m);
+
+#endif /* __LINUX_SMBDIRECT_H__ */
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