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-rw-r--r--fs/cifs/Makefile7
-rw-r--r--fs/cifs/smb2maperror.c10
-rw-r--r--fs/cifs/smb2pdu.c56
-rw-r--r--fs/cifs/trace.c18
-rw-r--r--fs/cifs/trace.h298
5 files changed, 379 insertions, 10 deletions
diff --git a/fs/cifs/Makefile b/fs/cifs/Makefile
index 7e4a1e2f0696..85817991ee68 100644
--- a/fs/cifs/Makefile
+++ b/fs/cifs/Makefile
@@ -1,11 +1,12 @@
# SPDX-License-Identifier: GPL-2.0
#
-# Makefile for Linux CIFS VFS client
+# Makefile for Linux CIFS/SMB2/SMB3 VFS client
#
+ccflags-y += -I$(src) # needed for trace events
obj-$(CONFIG_CIFS) += cifs.o
-cifs-y := cifsfs.o cifssmb.o cifs_debug.o connect.o dir.o file.o inode.o \
- link.o misc.o netmisc.o smbencrypt.o transport.o asn1.o \
+cifs-y := trace.o cifsfs.o cifssmb.o cifs_debug.o connect.o dir.o file.o \
+ inode.o link.o misc.o netmisc.o smbencrypt.o transport.o asn1.o \
cifs_unicode.o nterr.o cifsencrypt.o \
readdir.o ioctl.o sess.o export.o smb1ops.o winucase.o \
smb2ops.o smb2maperror.o smb2transport.o \
diff --git a/fs/cifs/smb2maperror.c b/fs/cifs/smb2maperror.c
index 3bfc9c990724..20185be4a93d 100644
--- a/fs/cifs/smb2maperror.c
+++ b/fs/cifs/smb2maperror.c
@@ -27,6 +27,7 @@
#include "smb2proto.h"
#include "smb2status.h"
#include "smb2glob.h"
+#include "trace.h"
struct status_to_posix_error {
__le32 smb2_status;
@@ -2455,8 +2456,12 @@ map_smb2_to_linux_error(char *buf, bool log_err)
int rc = -EIO;
__le32 smb2err = shdr->Status;
- if (smb2err == 0)
+ if (smb2err == 0) {
+ trace_smb3_cmd_done(le32_to_cpu(shdr->ProcessId), shdr->TreeId,
+ shdr->SessionId, le16_to_cpu(shdr->Command),
+ le64_to_cpu(shdr->MessageId));
return 0;
+ }
/* mask facility */
if (log_err && (smb2err != STATUS_MORE_PROCESSING_REQUIRED) &&
@@ -2478,5 +2483,8 @@ map_smb2_to_linux_error(char *buf, bool log_err)
cifs_dbg(FYI, "Mapping SMB2 status code 0x%08x to POSIX err %d\n",
__le32_to_cpu(smb2err), rc);
+ trace_smb3_cmd_err(le32_to_cpu(shdr->ProcessId), shdr->TreeId,
+ shdr->SessionId, le16_to_cpu(shdr->Command),
+ le64_to_cpu(shdr->MessageId), le32_to_cpu(smb2err), rc);
return rc;
}
diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c
index 35350057fc23..47d53314fc7f 100644
--- a/fs/cifs/smb2pdu.c
+++ b/fs/cifs/smb2pdu.c
@@ -49,6 +49,7 @@
#include "cifspdu.h"
#include "cifs_spnego.h"
#include "smbdirect.h"
+#include "trace.h"
/*
* The following table defines the expected "StructureSize" of SMB2 requests
@@ -2090,6 +2091,10 @@ SMB2_ioctl(const unsigned int xid, struct cifs_tcon *tcon, u64 persistent_fid,
cifs_small_buf_release(req);
rsp = (struct smb2_ioctl_rsp *)rsp_iov.iov_base;
+ if (rc != 0)
+ trace_smb3_fsctl_err(xid, persistent_fid, tcon->tid,
+ ses->Suid, 0, opcode, rc);
+
if ((rc != 0) && (rc != -EINVAL)) {
cifs_stats_fail_inc(tcon, SMB2_IOCTL_HE);
goto ioctl_exit;
@@ -2200,6 +2205,8 @@ SMB2_close_flags(const unsigned int xid, struct cifs_tcon *tcon,
if (rc != 0) {
cifs_stats_fail_inc(tcon, SMB2_CLOSE_HE);
+ trace_smb3_close_err(xid, persistent_fid, tcon->tid, ses->Suid,
+ rc);
goto close_exit;
}
@@ -2326,6 +2333,8 @@ query_info(const unsigned int xid, struct cifs_tcon *tcon,
if (rc) {
cifs_stats_fail_inc(tcon, SMB2_QUERY_INFO_HE);
+ trace_smb3_query_info_err(xid, persistent_fid, tcon->tid,
+ ses->Suid, info_class, (__u32)info_type, rc);
goto qinf_exit;
}
@@ -2556,8 +2565,11 @@ SMB2_flush(const unsigned int xid, struct cifs_tcon *tcon, u64 persistent_fid,
rc = smb2_send_recv(xid, ses, iov, 1, &resp_buftype, flags, &rsp_iov);
cifs_small_buf_release(req);
- if (rc != 0)
+ if (rc != 0) {
cifs_stats_fail_inc(tcon, SMB2_FLUSH_HE);
+ trace_smb3_flush_err(xid, persistent_fid, tcon->tid, ses->Suid,
+ rc);
+ }
free_rsp_buf(resp_buftype, rsp_iov.iov_base);
return rc;
@@ -2799,7 +2811,13 @@ smb2_async_readv(struct cifs_readdata *rdata)
if (rc) {
kref_put(&rdata->refcount, cifs_readdata_release);
cifs_stats_fail_inc(io_parms.tcon, SMB2_READ_HE);
- }
+ trace_smb3_read_err(rc, 0 /* xid */, io_parms.persistent_fid,
+ io_parms.tcon->tid, io_parms.tcon->ses->Suid,
+ io_parms.offset, io_parms.length);
+ } else
+ trace_smb3_read_done(0 /* xid */, io_parms.persistent_fid,
+ io_parms.tcon->tid, io_parms.tcon->ses->Suid,
+ io_parms.offset, io_parms.length);
cifs_small_buf_release(buf);
return rc;
@@ -2840,9 +2858,15 @@ SMB2_read(const unsigned int xid, struct cifs_io_parms *io_parms,
cifs_stats_fail_inc(io_parms->tcon, SMB2_READ_HE);
cifs_dbg(VFS, "Send error in read = %d\n", rc);
}
+ trace_smb3_read_err(rc, xid, req->PersistentFileId,
+ io_parms->tcon->tid, ses->Suid,
+ io_parms->offset, io_parms->length);
free_rsp_buf(resp_buftype, rsp_iov.iov_base);
return rc == -ENODATA ? 0 : rc;
- }
+ } else
+ trace_smb3_read_done(xid, req->PersistentFileId,
+ io_parms->tcon->tid, ses->Suid,
+ io_parms->offset, io_parms->length);
*nbytes = le32_to_cpu(rsp->DataLength);
if ((*nbytes > CIFS_MAX_MSGSIZE) ||
@@ -3058,9 +3082,15 @@ smb2_async_writev(struct cifs_writedata *wdata,
wdata, flags);
if (rc) {
+ trace_smb3_write_err(0 /* no xid */, req->PersistentFileId,
+ tcon->tid, tcon->ses->Suid, wdata->offset,
+ wdata->bytes, rc);
kref_put(&wdata->refcount, release);
cifs_stats_fail_inc(tcon, SMB2_WRITE_HE);
- }
+ } else
+ trace_smb3_write_done(0 /* no xid */, req->PersistentFileId,
+ tcon->tid, tcon->ses->Suid, wdata->offset,
+ wdata->bytes);
async_writev_out:
cifs_small_buf_release(req);
@@ -3124,10 +3154,19 @@ SMB2_write(const unsigned int xid, struct cifs_io_parms *io_parms,
rsp = (struct smb2_write_rsp *)rsp_iov.iov_base;
if (rc) {
+ trace_smb3_write_err(xid, req->PersistentFileId,
+ io_parms->tcon->tid,
+ io_parms->tcon->ses->Suid,
+ io_parms->offset, io_parms->length, rc);
cifs_stats_fail_inc(io_parms->tcon, SMB2_WRITE_HE);
cifs_dbg(VFS, "Send error in write = %d\n", rc);
- } else
+ } else {
*nbytes = le32_to_cpu(rsp->DataLength);
+ trace_smb3_write_done(xid, req->PersistentFileId,
+ io_parms->tcon->tid,
+ io_parms->tcon->ses->Suid,
+ io_parms->offset, *nbytes);
+ }
free_rsp_buf(resp_buftype, rsp);
return rc;
@@ -3374,8 +3413,11 @@ send_set_info(const unsigned int xid, struct cifs_tcon *tcon,
cifs_small_buf_release(req);
rsp = (struct smb2_set_info_rsp *)rsp_iov.iov_base;
- if (rc != 0)
+ if (rc != 0) {
cifs_stats_fail_inc(tcon, SMB2_SET_INFO_HE);
+ trace_smb3_set_info_err(xid, persistent_fid, tcon->tid,
+ ses->Suid, info_class, (__u32)info_type, rc);
+ }
free_rsp_buf(resp_buftype, rsp);
kfree(iov);
@@ -3766,6 +3808,8 @@ smb2_lockv(const unsigned int xid, struct cifs_tcon *tcon,
if (rc) {
cifs_dbg(FYI, "Send error in smb2_lockv = %d\n", rc);
cifs_stats_fail_inc(tcon, SMB2_LOCK_HE);
+ trace_smb3_lock_err(xid, persist_fid, tcon->tid,
+ tcon->ses->Suid, rc);
}
return rc;
diff --git a/fs/cifs/trace.c b/fs/cifs/trace.c
new file mode 100644
index 000000000000..bd4a546feec1
--- /dev/null
+++ b/fs/cifs/trace.c
@@ -0,0 +1,18 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2018, Microsoft Corporation.
+ *
+ * Author(s): Steve French <stfrench@microsoft.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
+ * the GNU General Public License for more details.
+ */
+#define CREATE_TRACE_POINTS
+#include "trace.h"
diff --git a/fs/cifs/trace.h b/fs/cifs/trace.h
new file mode 100644
index 000000000000..935a58979e1b
--- /dev/null
+++ b/fs/cifs/trace.h
@@ -0,0 +1,298 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2018, Microsoft Corporation.
+ *
+ * Author(s): Steve French <stfrench@microsoft.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
+ * the GNU General Public License for more details.
+ */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM cifs
+
+#if !defined(_CIFS_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _CIFS_TRACE_H
+
+#include <linux/tracepoint.h>
+
+/* For logging errors in read or write */
+DECLARE_EVENT_CLASS(smb3_rw_err_class,
+ TP_PROTO(unsigned int xid,
+ __u64 fid,
+ __u32 tid,
+ __u64 sesid,
+ __u64 offset,
+ __u32 len,
+ int rc),
+ TP_ARGS(xid, fid, tid, sesid, offset, len, rc),
+ TP_STRUCT__entry(
+ __field(unsigned int, xid)
+ __field(__u64, fid)
+ __field(__u32, tid)
+ __field(__u64, sesid)
+ __field(__u64, offset)
+ __field(__u32, len)
+ __field(int, rc)
+ ),
+ TP_fast_assign(
+ __entry->xid = xid;
+ __entry->fid = fid;
+ __entry->tid = tid;
+ __entry->sesid = sesid;
+ __entry->offset = offset;
+ __entry->len = len;
+ __entry->rc = rc;
+ ),
+ TP_printk("xid=%u fid=0x%llx tid=0x%x sid=0x%llx offset=0x%llx len=0x%x rc=%d",
+ __entry->xid, __entry->fid, __entry->tid, __entry->sesid,
+ __entry->offset, __entry->len, __entry->rc)
+)
+
+#define DEFINE_SMB3_RW_ERR_EVENT(name) \
+DEFINE_EVENT(smb3_rw_err_class, smb3_##name, \
+ TP_PROTO(unsigned int xid, \
+ __u64 fid, \
+ __u32 tid, \
+ __u64 sesid, \
+ __u64 offset, \
+ __u32 len, \
+ int rc), \
+ TP_ARGS(xid, fid, tid, sesid, offset, len, rc))
+
+DEFINE_SMB3_RW_ERR_EVENT(write_err);
+DEFINE_SMB3_RW_ERR_EVENT(read_err);
+
+
+/* For logging successful read or write */
+DECLARE_EVENT_CLASS(smb3_rw_done_class,
+ TP_PROTO(unsigned int xid,
+ __u64 fid,
+ __u32 tid,
+ __u64 sesid,
+ __u64 offset,
+ __u32 len),
+ TP_ARGS(xid, fid, tid, sesid, offset, len),
+ TP_STRUCT__entry(
+ __field(unsigned int, xid)
+ __field(__u64, fid)
+ __field(__u32, tid)
+ __field(__u64, sesid)
+ __field(__u64, offset)
+ __field(__u32, len)
+ ),
+ TP_fast_assign(
+ __entry->xid = xid;
+ __entry->fid = fid;
+ __entry->tid = tid;
+ __entry->sesid = sesid;
+ __entry->offset = offset;
+ __entry->len = len;
+ ),
+ TP_printk("xid=%u fid=0x%llx tid=0x%x sid=0x%llx offset=0x%llx len=0x%x",
+ __entry->xid, __entry->fid, __entry->tid, __entry->sesid,
+ __entry->offset, __entry->len)
+)
+
+#define DEFINE_SMB3_RW_DONE_EVENT(name) \
+DEFINE_EVENT(smb3_rw_done_class, smb3_##name, \
+ TP_PROTO(unsigned int xid, \
+ __u64 fid, \
+ __u32 tid, \
+ __u64 sesid, \
+ __u64 offset, \
+ __u32 len), \
+ TP_ARGS(xid, fid, tid, sesid, offset, len))
+
+DEFINE_SMB3_RW_DONE_EVENT(write_done);
+DEFINE_SMB3_RW_DONE_EVENT(read_done);
+
+/*
+ * For handle based calls other than read and write, and get/set info
+ */
+DECLARE_EVENT_CLASS(smb3_fd_err_class,
+ TP_PROTO(unsigned int xid,
+ __u64 fid,
+ __u32 tid,
+ __u64 sesid,
+ int rc),
+ TP_ARGS(xid, fid, tid, sesid, rc),
+ TP_STRUCT__entry(
+ __field(unsigned int, xid)
+ __field(__u64, fid)
+ __field(__u32, tid)
+ __field(__u64, sesid)
+ __field(int, rc)
+ ),
+ TP_fast_assign(
+ __entry->xid = xid;
+ __entry->fid = fid;
+ __entry->tid = tid;
+ __entry->sesid = sesid;
+ __entry->rc = rc;
+ ),
+ TP_printk("xid=%u fid=0x%llx tid=0x%x sid=0x%llx rc=%d",
+ __entry->xid, __entry->fid, __entry->tid, __entry->sesid,
+ __entry->rc)
+)
+
+#define DEFINE_SMB3_FD_ERR_EVENT(name) \
+DEFINE_EVENT(smb3_fd_err_class, smb3_##name, \
+ TP_PROTO(unsigned int xid, \
+ __u64 fid, \
+ __u32 tid, \
+ __u64 sesid, \
+ int rc), \
+ TP_ARGS(xid, fid, tid, sesid, rc))
+
+DEFINE_SMB3_FD_ERR_EVENT(flush_err);
+DEFINE_SMB3_FD_ERR_EVENT(lock_err);
+DEFINE_SMB3_FD_ERR_EVENT(close_err);
+
+/*
+ * For handle based query/set info calls
+ */
+DECLARE_EVENT_CLASS(smb3_inf_err_class,
+ TP_PROTO(unsigned int xid,
+ __u64 fid,
+ __u32 tid,
+ __u64 sesid,
+ __u8 infclass,
+ __u32 type,
+ int rc),
+ TP_ARGS(xid, fid, tid, sesid, infclass, type, rc),
+ TP_STRUCT__entry(
+ __field(unsigned int, xid)
+ __field(__u64, fid)
+ __field(__u32, tid)
+ __field(__u64, sesid)
+ __field(__u8, infclass)
+ __field(__u32, type)
+ __field(int, rc)
+ ),
+ TP_fast_assign(
+ __entry->xid = xid;
+ __entry->fid = fid;
+ __entry->tid = tid;
+ __entry->sesid = sesid;
+ __entry->infclass = infclass;
+ __entry->type = type;
+ __entry->rc = rc;
+ ),
+ TP_printk("xid=%u fid=0x%llx tid=0x%x sid=0x%llx class=%u type=0x%x rc=%d",
+ __entry->xid, __entry->fid, __entry->tid, __entry->sesid,
+ __entry->infclass, __entry->type, __entry->rc)
+)
+
+#define DEFINE_SMB3_INF_ERR_EVENT(name) \
+DEFINE_EVENT(smb3_inf_err_class, smb3_##name, \
+ TP_PROTO(unsigned int xid, \
+ __u64 fid, \
+ __u32 tid, \
+ __u64 sesid, \
+ __u8 infclass, \
+ __u32 type, \
+ int rc), \
+ TP_ARGS(xid, fid, tid, sesid, infclass, type, rc))
+
+DEFINE_SMB3_INF_ERR_EVENT(query_info_err);
+DEFINE_SMB3_INF_ERR_EVENT(set_info_err);
+DEFINE_SMB3_INF_ERR_EVENT(fsctl_err);
+
+/*
+ * For logging SMB3 Status code and Command for responses which return errors
+ */
+DECLARE_EVENT_CLASS(smb3_cmd_err_class,
+ TP_PROTO(__u32 pid,
+ __u32 tid,
+ __u64 sesid,
+ __u16 cmd,
+ __u64 mid,
+ __u32 status,
+ int rc),
+ TP_ARGS(pid, tid, sesid, cmd, mid, status, rc),
+ TP_STRUCT__entry(
+ __field(__u32, pid)
+ __field(__u32, tid)
+ __field(__u64, sesid)
+ __field(__u16, cmd)
+ __field(__u64, mid)
+ __field(__u32, status)
+ __field(int, rc)
+ ),
+ TP_fast_assign(
+ __entry->pid = pid;
+ __entry->tid = tid;
+ __entry->sesid = sesid;
+ __entry->cmd = cmd;
+ __entry->mid = mid;
+ __entry->status = status;
+ __entry->rc = rc;
+ ),
+ TP_printk(" pid=%u tid=0x%x sid=0x%llx cmd=%u mid=%llu status=0x%x rc=%d",
+ __entry->pid, __entry->tid, __entry->sesid,
+ __entry->cmd, __entry->mid, __entry->status, __entry->rc)
+)
+
+#define DEFINE_SMB3_CMD_ERR_EVENT(name) \
+DEFINE_EVENT(smb3_cmd_err_class, smb3_##name, \
+ TP_PROTO(unsigned int pid, \
+ __u32 tid, \
+ __u64 sesid, \
+ __u16 cmd, \
+ __u64 mid, \
+ __u32 status, \
+ int rc), \
+ TP_ARGS(pid, tid, sesid, cmd, mid, status, rc))
+
+DEFINE_SMB3_CMD_ERR_EVENT(cmd_err);
+
+DECLARE_EVENT_CLASS(smb3_cmd_done_class,
+ TP_PROTO(__u32 pid,
+ __u32 tid,
+ __u64 sesid,
+ __u16 cmd,
+ __u64 mid),
+ TP_ARGS(pid, tid, sesid, cmd, mid),
+ TP_STRUCT__entry(
+ __field(__u32, pid)
+ __field(__u32, tid)
+ __field(__u64, sesid)
+ __field(__u16, cmd)
+ __field(__u64, mid)
+ ),
+ TP_fast_assign(
+ __entry->pid = pid;
+ __entry->tid = tid;
+ __entry->sesid = sesid;
+ __entry->cmd = cmd;
+ __entry->mid = mid;
+ ),
+ TP_printk("pid=%u tid=0x%x sid=0x%llx cmd=%u mid=%llu",
+ __entry->pid, __entry->tid, __entry->sesid,
+ __entry->cmd, __entry->mid)
+)
+
+#define DEFINE_SMB3_CMD_DONE_EVENT(name) \
+DEFINE_EVENT(smb3_cmd_done_class, smb3_##name, \
+ TP_PROTO(unsigned int pid, \
+ __u32 tid, \
+ __u64 sesid, \
+ __u16 cmd, \
+ __u64 mid), \
+ TP_ARGS(pid, tid, sesid, cmd, mid))
+
+DEFINE_SMB3_CMD_DONE_EVENT(cmd_done);
+
+#endif /* _CIFS_TRACE_H */
+
+#undef TRACE_INCLUDE_PATH
+#define TRACE_INCLUDE_PATH .
+#define TRACE_INCLUDE_FILE trace
+#include <trace/define_trace.h>
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-26 09:38:09 +0100