Commit d8ec913b authored by Long Li's avatar Long Li Committed by Steve French
Browse files

CIFS: SMBD: export protocol initial values 



For use-configurable SMB Direct protocol values, export them to /proc/fs/cifs.

Signed-off-by: default avatarLong Li <longli@microsoft.com>
Signed-off-by: default avatarSteve French <smfrench@gmail.com>
Acked-by: default avatarRonnie Sahlberg <lsahlber@redhat.com>
Reviewed-by: default avatarPavel Shilovsky <pshilov@microsoft.com>
parent 399f9539

fs/cifs/cifs_debug.c

+79 −0
Original line number Diff line number Diff line
@@ -30,6 +30,9 @@ 
#include "cifsproto.h"

#include "cifs_debug.h"

#include "cifsfs.h"

#ifdef CONFIG_CIFS_SMB_DIRECT

#include "smbdirect.h"

#endif



void

cifs_dump_mem(char *label, void *data, int length)
@@ -376,6 +379,54 @@ static const struct file_operations cifs_stats_proc_fops = { 
};

#endif /* STATS */



#ifdef CONFIG_CIFS_SMB_DIRECT

#define PROC_FILE_DEFINE(name) \

static ssize_t name##_write(struct file *file, const char __user *buffer, \

	size_t count, loff_t *ppos) \

{ \

	int rc; \

	rc = kstrtoint_from_user(buffer, count, 10, & name); \

	if (rc) \

		return rc; \

	return count; \

} \

static int name##_proc_show(struct seq_file *m, void *v) \

{ \

	seq_printf(m, "%d\n", name ); \

	return 0; \

} \

static int name##_open(struct inode *inode, struct file *file) \

{ \

	return single_open(file, name##_proc_show, NULL); \

} \

\

static const struct file_operations cifs_##name##_proc_fops = { \

	.open		= name##_open, \

	.read		= seq_read, \

	.llseek		= seq_lseek, \

	.release	= single_release, \

	.write		= name##_write, \

}



extern int rdma_readwrite_threshold;

extern int smbd_max_frmr_depth;

extern int smbd_keep_alive_interval;

extern int smbd_max_receive_size;

extern int smbd_max_fragmented_recv_size;

extern int smbd_max_send_size;

extern int smbd_send_credit_target;

extern int smbd_receive_credit_max;



PROC_FILE_DEFINE(rdma_readwrite_threshold);

PROC_FILE_DEFINE(smbd_max_frmr_depth);

PROC_FILE_DEFINE(smbd_keep_alive_interval);

PROC_FILE_DEFINE(smbd_max_receive_size);

PROC_FILE_DEFINE(smbd_max_fragmented_recv_size);

PROC_FILE_DEFINE(smbd_max_send_size);

PROC_FILE_DEFINE(smbd_send_credit_target);

PROC_FILE_DEFINE(smbd_receive_credit_max);

#endif



static struct proc_dir_entry *proc_fs_cifs;

static const struct file_operations cifsFYI_proc_fops;

static const struct file_operations cifs_lookup_cache_proc_fops;
@@ -403,6 +454,24 @@ cifs_proc_init(void) 
		    &cifs_security_flags_proc_fops);

	proc_create("LookupCacheEnabled", 0, proc_fs_cifs,

		    &cifs_lookup_cache_proc_fops);

#ifdef CONFIG_CIFS_SMB_DIRECT

	proc_create("rdma_readwrite_threshold", 0, proc_fs_cifs,

		&cifs_rdma_readwrite_threshold_proc_fops);

	proc_create("smbd_max_frmr_depth", 0, proc_fs_cifs,

		&cifs_smbd_max_frmr_depth_proc_fops);

	proc_create("smbd_keep_alive_interval", 0, proc_fs_cifs,

		&cifs_smbd_keep_alive_interval_proc_fops);

	proc_create("smbd_max_receive_size", 0, proc_fs_cifs,

		&cifs_smbd_max_receive_size_proc_fops);

	proc_create("smbd_max_fragmented_recv_size", 0, proc_fs_cifs,

		&cifs_smbd_max_fragmented_recv_size_proc_fops);

	proc_create("smbd_max_send_size", 0, proc_fs_cifs,

		&cifs_smbd_max_send_size_proc_fops);

	proc_create("smbd_send_credit_target", 0, proc_fs_cifs,

		&cifs_smbd_send_credit_target_proc_fops);

	proc_create("smbd_receive_credit_max", 0, proc_fs_cifs,

		&cifs_smbd_receive_credit_max_proc_fops);

#endif

}



void
@@ -420,6 +489,16 @@ cifs_proc_clean(void) 
	remove_proc_entry("SecurityFlags", proc_fs_cifs);

	remove_proc_entry("LinuxExtensionsEnabled", proc_fs_cifs);

	remove_proc_entry("LookupCacheEnabled", proc_fs_cifs);

#ifdef CONFIG_CIFS_SMB_DIRECT

	remove_proc_entry("rdma_readwrite_threshold", proc_fs_cifs);

	remove_proc_entry("smbd_max_frmr_depth", proc_fs_cifs);

	remove_proc_entry("smbd_keep_alive_interval", proc_fs_cifs);

	remove_proc_entry("smbd_max_receive_size", proc_fs_cifs);

	remove_proc_entry("smbd_max_fragmented_recv_size", proc_fs_cifs);

	remove_proc_entry("smbd_max_send_size", proc_fs_cifs);

	remove_proc_entry("smbd_send_credit_target", proc_fs_cifs);

	remove_proc_entry("smbd_receive_credit_max", proc_fs_cifs);

#endif

	remove_proc_entry("fs/cifs", NULL);

}