^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0-or-later
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * fs/cifs_debug.c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright (C) International Business Machines Corp., 2000,2005
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) * Modified by Steve French (sfrench@us.ibm.com)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <linux/fs.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/string.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/ctype.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/proc_fs.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/uaccess.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include "cifspdu.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include "cifsglob.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include "cifsproto.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include "cifs_debug.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include "cifsfs.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #ifdef CONFIG_CIFS_DFS_UPCALL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #include "dfs_cache.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #ifdef CONFIG_CIFS_SMB_DIRECT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #include "smbdirect.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) cifs_dump_mem(char *label, void *data, int length)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) pr_debug("%s: dump of %d bytes of data at 0x%p\n", label, length, data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) print_hex_dump(KERN_DEBUG, "", DUMP_PREFIX_OFFSET, 16, 4,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) data, length, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) void cifs_dump_detail(void *buf, struct TCP_Server_Info *server)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) #ifdef CONFIG_CIFS_DEBUG2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) struct smb_hdr *smb = (struct smb_hdr *)buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) cifs_dbg(VFS, "Cmd: %d Err: 0x%x Flags: 0x%x Flgs2: 0x%x Mid: %d Pid: %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) smb->Command, smb->Status.CifsError,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) smb->Flags, smb->Flags2, smb->Mid, smb->Pid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) cifs_dbg(VFS, "smb buf %p len %u\n", smb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) server->ops->calc_smb_size(smb, server));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) #endif /* CONFIG_CIFS_DEBUG2 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) void cifs_dump_mids(struct TCP_Server_Info *server)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) #ifdef CONFIG_CIFS_DEBUG2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) struct list_head *tmp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) struct mid_q_entry *mid_entry;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) if (server == NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) cifs_dbg(VFS, "Dump pending requests:\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) spin_lock(&GlobalMid_Lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) list_for_each(tmp, &server->pending_mid_q) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) mid_entry = list_entry(tmp, struct mid_q_entry, qhead);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) cifs_dbg(VFS, "State: %d Cmd: %d Pid: %d Cbdata: %p Mid %llu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) mid_entry->mid_state,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) le16_to_cpu(mid_entry->command),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) mid_entry->pid,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) mid_entry->callback_data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) mid_entry->mid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) #ifdef CONFIG_CIFS_STATS2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) cifs_dbg(VFS, "IsLarge: %d buf: %p time rcv: %ld now: %ld\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) mid_entry->large_buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) mid_entry->resp_buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) mid_entry->when_received,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) jiffies);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) #endif /* STATS2 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) cifs_dbg(VFS, "IsMult: %d IsEnd: %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) mid_entry->multiRsp, mid_entry->multiEnd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) if (mid_entry->resp_buf) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) cifs_dump_detail(mid_entry->resp_buf, server);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) cifs_dump_mem("existing buf: ",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) mid_entry->resp_buf, 62);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) spin_unlock(&GlobalMid_Lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) #endif /* CONFIG_CIFS_DEBUG2 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) #ifdef CONFIG_PROC_FS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) static void cifs_debug_tcon(struct seq_file *m, struct cifs_tcon *tcon)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) __u32 dev_type = le32_to_cpu(tcon->fsDevInfo.DeviceType);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) seq_printf(m, "%s Mounts: %d ", tcon->treeName, tcon->tc_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) if (tcon->nativeFileSystem)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) seq_printf(m, "Type: %s ", tcon->nativeFileSystem);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) seq_printf(m, "DevInfo: 0x%x Attributes: 0x%x\n\tPathComponentMax: %d Status: %d",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) le32_to_cpu(tcon->fsDevInfo.DeviceCharacteristics),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) le32_to_cpu(tcon->fsAttrInfo.Attributes),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) le32_to_cpu(tcon->fsAttrInfo.MaxPathNameComponentLength),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) tcon->tidStatus);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) if (dev_type == FILE_DEVICE_DISK)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) seq_puts(m, " type: DISK ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) else if (dev_type == FILE_DEVICE_CD_ROM)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) seq_puts(m, " type: CDROM ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) seq_printf(m, " type: %d ", dev_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) seq_printf(m, "Serial Number: 0x%x", tcon->vol_serial_number);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) if ((tcon->seal) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) (tcon->ses->session_flags & SMB2_SESSION_FLAG_ENCRYPT_DATA) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) (tcon->share_flags & SHI1005_FLAGS_ENCRYPT_DATA))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) seq_printf(m, " Encrypted");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) if (tcon->nocase)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) seq_printf(m, " nocase");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) if (tcon->unix_ext)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) seq_printf(m, " POSIX Extensions");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) if (tcon->ses->server->ops->dump_share_caps)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) tcon->ses->server->ops->dump_share_caps(m, tcon);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) if (tcon->need_reconnect)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) seq_puts(m, "\tDISCONNECTED ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) seq_putc(m, '\n');
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) cifs_dump_channel(struct seq_file *m, int i, struct cifs_chan *chan)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) struct TCP_Server_Info *server = chan->server;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) seq_printf(m, "\t\tChannel %d Number of credits: %d Dialect 0x%x "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) "TCP status: %d Instance: %d Local Users To Server: %d "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) "SecMode: 0x%x Req On Wire: %d In Send: %d "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) "In MaxReq Wait: %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) i+1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) server->credits,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) server->dialect,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) server->tcpStatus,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) server->reconnect_instance,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) server->srv_count,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) server->sec_mode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) in_flight(server),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) atomic_read(&server->in_send),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) atomic_read(&server->num_waiters));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) cifs_dump_iface(struct seq_file *m, struct cifs_server_iface *iface)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) struct sockaddr_in *ipv4 = (struct sockaddr_in *)&iface->sockaddr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) struct sockaddr_in6 *ipv6 = (struct sockaddr_in6 *)&iface->sockaddr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) seq_printf(m, "\tSpeed: %zu bps\n", iface->speed);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) seq_puts(m, "\t\tCapabilities: ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) if (iface->rdma_capable)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) seq_puts(m, "rdma ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) if (iface->rss_capable)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) seq_puts(m, "rss ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) seq_putc(m, '\n');
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) if (iface->sockaddr.ss_family == AF_INET)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) seq_printf(m, "\t\tIPv4: %pI4\n", &ipv4->sin_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) else if (iface->sockaddr.ss_family == AF_INET6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) seq_printf(m, "\t\tIPv6: %pI6\n", &ipv6->sin6_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) static int cifs_debug_files_proc_show(struct seq_file *m, void *v)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) struct list_head *stmp, *tmp, *tmp1, *tmp2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) struct TCP_Server_Info *server;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) struct cifs_ses *ses;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) struct cifs_tcon *tcon;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) struct cifsFileInfo *cfile;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) seq_puts(m, "# Version:1\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) seq_puts(m, "# Format:\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) seq_puts(m, "# <tree id> <persistent fid> <flags> <count> <pid> <uid>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) #ifdef CONFIG_CIFS_DEBUG2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) seq_printf(m, " <filename> <mid>\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) seq_printf(m, " <filename>\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) #endif /* CIFS_DEBUG2 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) spin_lock(&cifs_tcp_ses_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) list_for_each(stmp, &cifs_tcp_ses_list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) server = list_entry(stmp, struct TCP_Server_Info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) tcp_ses_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) list_for_each(tmp, &server->smb_ses_list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) ses = list_entry(tmp, struct cifs_ses, smb_ses_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) list_for_each(tmp1, &ses->tcon_list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) tcon = list_entry(tmp1, struct cifs_tcon, tcon_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) spin_lock(&tcon->open_file_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) list_for_each(tmp2, &tcon->openFileList) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) cfile = list_entry(tmp2, struct cifsFileInfo,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) tlist);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) seq_printf(m,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) "0x%x 0x%llx 0x%x %d %d %d %s",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) tcon->tid,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) cfile->fid.persistent_fid,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) cfile->f_flags,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) cfile->count,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) cfile->pid,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) from_kuid(&init_user_ns, cfile->uid),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) cfile->dentry->d_name.name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) #ifdef CONFIG_CIFS_DEBUG2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) seq_printf(m, " 0x%llx\n", cfile->fid.mid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) seq_printf(m, "\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) #endif /* CIFS_DEBUG2 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) spin_unlock(&tcon->open_file_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) spin_unlock(&cifs_tcp_ses_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) seq_putc(m, '\n');
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) static int cifs_debug_data_proc_show(struct seq_file *m, void *v)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) struct list_head *tmp1, *tmp2, *tmp3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) struct mid_q_entry *mid_entry;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) struct TCP_Server_Info *server;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) struct cifs_ses *ses;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) struct cifs_tcon *tcon;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) int i, j;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) seq_puts(m,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) "Display Internal CIFS Data Structures for Debugging\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) "---------------------------------------------------\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) seq_printf(m, "CIFS Version %s\n", CIFS_VERSION);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) seq_printf(m, "Features:");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) #ifdef CONFIG_CIFS_DFS_UPCALL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) seq_printf(m, " DFS");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) #ifdef CONFIG_CIFS_FSCACHE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) seq_printf(m, ",FSCACHE");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) #ifdef CONFIG_CIFS_SMB_DIRECT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) seq_printf(m, ",SMB_DIRECT");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) #ifdef CONFIG_CIFS_STATS2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) seq_printf(m, ",STATS2");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) seq_printf(m, ",STATS");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) #ifdef CONFIG_CIFS_DEBUG2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) seq_printf(m, ",DEBUG2");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) #elif defined(CONFIG_CIFS_DEBUG)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) seq_printf(m, ",DEBUG");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) #ifdef CONFIG_CIFS_ALLOW_INSECURE_LEGACY
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) seq_printf(m, ",ALLOW_INSECURE_LEGACY");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) #ifdef CONFIG_CIFS_WEAK_PW_HASH
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) seq_printf(m, ",WEAK_PW_HASH");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) #ifdef CONFIG_CIFS_POSIX
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) seq_printf(m, ",CIFS_POSIX");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) #ifdef CONFIG_CIFS_UPCALL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) seq_printf(m, ",UPCALL(SPNEGO)");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) #ifdef CONFIG_CIFS_XATTR
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) seq_printf(m, ",XATTR");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) seq_printf(m, ",ACL");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) seq_putc(m, '\n');
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) seq_printf(m, "CIFSMaxBufSize: %d\n", CIFSMaxBufSize);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) seq_printf(m, "Active VFS Requests: %d\n", GlobalTotalActiveXid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) seq_printf(m, "Servers:");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) i = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) spin_lock(&cifs_tcp_ses_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) list_for_each(tmp1, &cifs_tcp_ses_list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) server = list_entry(tmp1, struct TCP_Server_Info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) tcp_ses_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) #ifdef CONFIG_CIFS_SMB_DIRECT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) if (!server->rdma)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) goto skip_rdma;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) if (!server->smbd_conn) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) seq_printf(m, "\nSMBDirect transport not available");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) goto skip_rdma;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) seq_printf(m, "\nSMBDirect (in hex) protocol version: %x "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) "transport status: %x",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) server->smbd_conn->protocol,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) server->smbd_conn->transport_status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) seq_printf(m, "\nConn receive_credit_max: %x "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) "send_credit_target: %x max_send_size: %x",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) server->smbd_conn->receive_credit_max,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) server->smbd_conn->send_credit_target,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) server->smbd_conn->max_send_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) seq_printf(m, "\nConn max_fragmented_recv_size: %x "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) "max_fragmented_send_size: %x max_receive_size:%x",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) server->smbd_conn->max_fragmented_recv_size,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) server->smbd_conn->max_fragmented_send_size,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) server->smbd_conn->max_receive_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) seq_printf(m, "\nConn keep_alive_interval: %x "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) "max_readwrite_size: %x rdma_readwrite_threshold: %x",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) server->smbd_conn->keep_alive_interval,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) server->smbd_conn->max_readwrite_size,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) server->smbd_conn->rdma_readwrite_threshold);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) seq_printf(m, "\nDebug count_get_receive_buffer: %x "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) "count_put_receive_buffer: %x count_send_empty: %x",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) server->smbd_conn->count_get_receive_buffer,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) server->smbd_conn->count_put_receive_buffer,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) server->smbd_conn->count_send_empty);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) seq_printf(m, "\nRead Queue count_reassembly_queue: %x "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) "count_enqueue_reassembly_queue: %x "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) "count_dequeue_reassembly_queue: %x "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) "fragment_reassembly_remaining: %x "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) "reassembly_data_length: %x "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) "reassembly_queue_length: %x",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) server->smbd_conn->count_reassembly_queue,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) server->smbd_conn->count_enqueue_reassembly_queue,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) server->smbd_conn->count_dequeue_reassembly_queue,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) server->smbd_conn->fragment_reassembly_remaining,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) server->smbd_conn->reassembly_data_length,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) server->smbd_conn->reassembly_queue_length);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) seq_printf(m, "\nCurrent Credits send_credits: %x "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) "receive_credits: %x receive_credit_target: %x",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) atomic_read(&server->smbd_conn->send_credits),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) atomic_read(&server->smbd_conn->receive_credits),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) server->smbd_conn->receive_credit_target);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) seq_printf(m, "\nPending send_pending: %x ",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) atomic_read(&server->smbd_conn->send_pending));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) seq_printf(m, "\nReceive buffers count_receive_queue: %x "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) "count_empty_packet_queue: %x",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) server->smbd_conn->count_receive_queue,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) server->smbd_conn->count_empty_packet_queue);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) seq_printf(m, "\nMR responder_resources: %x "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) "max_frmr_depth: %x mr_type: %x",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) server->smbd_conn->responder_resources,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) server->smbd_conn->max_frmr_depth,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) server->smbd_conn->mr_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) seq_printf(m, "\nMR mr_ready_count: %x mr_used_count: %x",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) atomic_read(&server->smbd_conn->mr_ready_count),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) atomic_read(&server->smbd_conn->mr_used_count));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) skip_rdma:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) seq_printf(m, "\nNumber of credits: %d Dialect 0x%x",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) server->credits, server->dialect);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) if (server->compress_algorithm == SMB3_COMPRESS_LZNT1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) seq_printf(m, " COMPRESS_LZNT1");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) else if (server->compress_algorithm == SMB3_COMPRESS_LZ77)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) seq_printf(m, " COMPRESS_LZ77");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) else if (server->compress_algorithm == SMB3_COMPRESS_LZ77_HUFF)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) seq_printf(m, " COMPRESS_LZ77_HUFF");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) if (server->sign)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) seq_printf(m, " signed");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) if (server->posix_ext_supported)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) seq_printf(m, " posix");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) i++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) list_for_each(tmp2, &server->smb_ses_list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) ses = list_entry(tmp2, struct cifs_ses,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) smb_ses_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) if ((ses->serverDomain == NULL) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) (ses->serverOS == NULL) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) (ses->serverNOS == NULL)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) seq_printf(m, "\n%d) Name: %s Uses: %d Capability: 0x%x\tSession Status: %d ",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) i, ses->serverName, ses->ses_count,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) ses->capabilities, ses->status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) if (ses->session_flags & SMB2_SESSION_FLAG_IS_GUEST)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) seq_printf(m, "Guest\t");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) else if (ses->session_flags & SMB2_SESSION_FLAG_IS_NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) seq_printf(m, "Anonymous\t");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) seq_printf(m,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) "\n%d) Name: %s Domain: %s Uses: %d OS:"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) " %s\n\tNOS: %s\tCapability: 0x%x\n\tSMB"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) " session status: %d ",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) i, ses->serverName, ses->serverDomain,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) ses->ses_count, ses->serverOS, ses->serverNOS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) ses->capabilities, ses->status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) seq_printf(m,"Security type: %s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) get_security_type_str(server->ops->select_sectype(server, ses->sectype)));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) if (server->rdma)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) seq_printf(m, "RDMA\n\t");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) seq_printf(m, "TCP status: %d Instance: %d\n\tLocal Users To "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) "Server: %d SecMode: 0x%x Req On Wire: %d",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) server->tcpStatus,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) server->reconnect_instance,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) server->srv_count,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) server->sec_mode, in_flight(server));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) seq_printf(m, " In Send: %d In MaxReq Wait: %d",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) atomic_read(&server->in_send),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) atomic_read(&server->num_waiters));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) /* dump session id helpful for use with network trace */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) seq_printf(m, " SessionId: 0x%llx", ses->Suid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) if (ses->session_flags & SMB2_SESSION_FLAG_ENCRYPT_DATA)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) seq_puts(m, " encrypted");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) if (ses->sign)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) seq_puts(m, " signed");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) seq_printf(m, "\n\tUser: %d Cred User: %d",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) from_kuid(&init_user_ns, ses->linux_uid),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) from_kuid(&init_user_ns, ses->cred_uid));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) if (ses->chan_count > 1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) seq_printf(m, "\n\n\tExtra Channels: %zu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) ses->chan_count-1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) for (j = 1; j < ses->chan_count; j++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) cifs_dump_channel(m, j, &ses->chans[j]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) seq_puts(m, "\n\n\tShares:");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) j = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) seq_printf(m, "\n\t%d) IPC: ", j);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) if (ses->tcon_ipc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) cifs_debug_tcon(m, ses->tcon_ipc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) seq_puts(m, "none\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) list_for_each(tmp3, &ses->tcon_list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) tcon = list_entry(tmp3, struct cifs_tcon,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) tcon_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) ++j;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) seq_printf(m, "\n\t%d) ", j);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) cifs_debug_tcon(m, tcon);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) seq_puts(m, "\n\tMIDs:\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) spin_lock(&GlobalMid_Lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) list_for_each(tmp3, &server->pending_mid_q) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) mid_entry = list_entry(tmp3, struct mid_q_entry,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) qhead);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) seq_printf(m, "\tState: %d com: %d pid:"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) " %d cbdata: %p mid %llu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) mid_entry->mid_state,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) le16_to_cpu(mid_entry->command),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) mid_entry->pid,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) mid_entry->callback_data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) mid_entry->mid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) spin_unlock(&GlobalMid_Lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) spin_lock(&ses->iface_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) if (ses->iface_count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) seq_printf(m, "\n\tServer interfaces: %zu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) ses->iface_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) for (j = 0; j < ses->iface_count; j++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) struct cifs_server_iface *iface;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) iface = &ses->iface_list[j];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) seq_printf(m, "\t%d)", j);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) cifs_dump_iface(m, iface);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) if (is_ses_using_iface(ses, iface))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) seq_puts(m, "\t\t[CONNECTED]\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) spin_unlock(&ses->iface_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) spin_unlock(&cifs_tcp_ses_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) seq_putc(m, '\n');
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) /* BB add code to dump additional info such as TCP session info now */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469) static ssize_t cifs_stats_proc_write(struct file *file,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470) const char __user *buffer, size_t count, loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472) bool bv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473) int rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474) struct list_head *tmp1, *tmp2, *tmp3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475) struct TCP_Server_Info *server;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) struct cifs_ses *ses;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) struct cifs_tcon *tcon;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479) rc = kstrtobool_from_user(buffer, count, &bv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) if (rc == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481) #ifdef CONFIG_CIFS_STATS2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484) atomic_set(&totBufAllocCount, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) atomic_set(&totSmBufAllocCount, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486) #endif /* CONFIG_CIFS_STATS2 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487) atomic_set(&tcpSesReconnectCount, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488) atomic_set(&tconInfoReconnectCount, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490) spin_lock(&GlobalMid_Lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491) GlobalMaxActiveXid = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492) GlobalCurrentXid = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493) spin_unlock(&GlobalMid_Lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494) spin_lock(&cifs_tcp_ses_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495) list_for_each(tmp1, &cifs_tcp_ses_list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) server = list_entry(tmp1, struct TCP_Server_Info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497) tcp_ses_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) server->max_in_flight = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499) #ifdef CONFIG_CIFS_STATS2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500) for (i = 0; i < NUMBER_OF_SMB2_COMMANDS; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501) atomic_set(&server->num_cmds[i], 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502) atomic_set(&server->smb2slowcmd[i], 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503) server->time_per_cmd[i] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504) server->slowest_cmd[i] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505) server->fastest_cmd[0] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507) #endif /* CONFIG_CIFS_STATS2 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508) list_for_each(tmp2, &server->smb_ses_list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509) ses = list_entry(tmp2, struct cifs_ses,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510) smb_ses_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511) list_for_each(tmp3, &ses->tcon_list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512) tcon = list_entry(tmp3,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513) struct cifs_tcon,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514) tcon_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515) atomic_set(&tcon->num_smbs_sent, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516) spin_lock(&tcon->stat_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517) tcon->bytes_read = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518) tcon->bytes_written = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519) spin_unlock(&tcon->stat_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520) if (server->ops->clear_stats)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521) server->ops->clear_stats(tcon);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525) spin_unlock(&cifs_tcp_ses_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 526) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 527) return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 528) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530) return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 533) static int cifs_stats_proc_show(struct seq_file *m, void *v)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 534) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 535) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 536) #ifdef CONFIG_CIFS_STATS2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 537) int j;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 538) #endif /* STATS2 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 539) struct list_head *tmp1, *tmp2, *tmp3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 540) struct TCP_Server_Info *server;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 541) struct cifs_ses *ses;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 542) struct cifs_tcon *tcon;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 543)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 544) seq_printf(m, "Resources in use\nCIFS Session: %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 545) sesInfoAllocCount.counter);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 546) seq_printf(m, "Share (unique mount targets): %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 547) tconInfoAllocCount.counter);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 548) seq_printf(m, "SMB Request/Response Buffer: %d Pool size: %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 549) bufAllocCount.counter,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 550) cifs_min_rcv + tcpSesAllocCount.counter);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 551) seq_printf(m, "SMB Small Req/Resp Buffer: %d Pool size: %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 552) smBufAllocCount.counter, cifs_min_small);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 553) #ifdef CONFIG_CIFS_STATS2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 554) seq_printf(m, "Total Large %d Small %d Allocations\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 555) atomic_read(&totBufAllocCount),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 556) atomic_read(&totSmBufAllocCount));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 557) #endif /* CONFIG_CIFS_STATS2 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 558)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 559) seq_printf(m, "Operations (MIDs): %d\n", atomic_read(&midCount));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 560) seq_printf(m,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 561) "\n%d session %d share reconnects\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 562) tcpSesReconnectCount.counter, tconInfoReconnectCount.counter);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 563)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 564) seq_printf(m,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 565) "Total vfs operations: %d maximum at one time: %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 566) GlobalCurrentXid, GlobalMaxActiveXid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 567)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 568) i = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 569) spin_lock(&cifs_tcp_ses_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 570) list_for_each(tmp1, &cifs_tcp_ses_list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 571) server = list_entry(tmp1, struct TCP_Server_Info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 572) tcp_ses_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 573) seq_printf(m, "\nMax requests in flight: %d", server->max_in_flight);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 574) #ifdef CONFIG_CIFS_STATS2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 575) seq_puts(m, "\nTotal time spent processing by command. Time ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 576) seq_printf(m, "units are jiffies (%d per second)\n", HZ);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 577) seq_puts(m, " SMB3 CMD\tNumber\tTotal Time\tFastest\tSlowest\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 578) seq_puts(m, " --------\t------\t----------\t-------\t-------\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 579) for (j = 0; j < NUMBER_OF_SMB2_COMMANDS; j++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 580) seq_printf(m, " %d\t\t%d\t%llu\t\t%u\t%u\n", j,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 581) atomic_read(&server->num_cmds[j]),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 582) server->time_per_cmd[j],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 583) server->fastest_cmd[j],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 584) server->slowest_cmd[j]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 585) for (j = 0; j < NUMBER_OF_SMB2_COMMANDS; j++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 586) if (atomic_read(&server->smb2slowcmd[j]))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 587) seq_printf(m, " %d slow responses from %s for command %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 588) atomic_read(&server->smb2slowcmd[j]),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 589) server->hostname, j);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 590) #endif /* STATS2 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 591) list_for_each(tmp2, &server->smb_ses_list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 592) ses = list_entry(tmp2, struct cifs_ses,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 593) smb_ses_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 594) list_for_each(tmp3, &ses->tcon_list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 595) tcon = list_entry(tmp3,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 596) struct cifs_tcon,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 597) tcon_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 598) i++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 599) seq_printf(m, "\n%d) %s", i, tcon->treeName);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 600) if (tcon->need_reconnect)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 601) seq_puts(m, "\tDISCONNECTED ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 602) seq_printf(m, "\nSMBs: %d",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 603) atomic_read(&tcon->num_smbs_sent));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 604) if (server->ops->print_stats)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 605) server->ops->print_stats(m, tcon);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 606) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 607) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 608) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 609) spin_unlock(&cifs_tcp_ses_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 610)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 611) seq_putc(m, '\n');
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 612) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 613) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 614)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 615) static int cifs_stats_proc_open(struct inode *inode, struct file *file)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 616) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 617) return single_open(file, cifs_stats_proc_show, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 618) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 619)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 620) static const struct proc_ops cifs_stats_proc_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 621) .proc_open = cifs_stats_proc_open,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 622) .proc_read = seq_read,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 623) .proc_lseek = seq_lseek,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 624) .proc_release = single_release,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 625) .proc_write = cifs_stats_proc_write,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 626) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 627)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 628) #ifdef CONFIG_CIFS_SMB_DIRECT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 629) #define PROC_FILE_DEFINE(name) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 630) static ssize_t name##_write(struct file *file, const char __user *buffer, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 631) size_t count, loff_t *ppos) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 632) { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 633) int rc; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 634) rc = kstrtoint_from_user(buffer, count, 10, & name); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 635) if (rc) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 636) return rc; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 637) return count; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 638) } \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 639) static int name##_proc_show(struct seq_file *m, void *v) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 640) { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 641) seq_printf(m, "%d\n", name ); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 642) return 0; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 643) } \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 644) static int name##_open(struct inode *inode, struct file *file) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 645) { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 646) return single_open(file, name##_proc_show, NULL); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 647) } \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 648) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 649) static const struct proc_ops cifs_##name##_proc_fops = { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 650) .proc_open = name##_open, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 651) .proc_read = seq_read, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 652) .proc_lseek = seq_lseek, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 653) .proc_release = single_release, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 654) .proc_write = name##_write, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 655) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 656)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 657) PROC_FILE_DEFINE(rdma_readwrite_threshold);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 658) PROC_FILE_DEFINE(smbd_max_frmr_depth);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 659) PROC_FILE_DEFINE(smbd_keep_alive_interval);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 660) PROC_FILE_DEFINE(smbd_max_receive_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 661) PROC_FILE_DEFINE(smbd_max_fragmented_recv_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 662) PROC_FILE_DEFINE(smbd_max_send_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 663) PROC_FILE_DEFINE(smbd_send_credit_target);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 664) PROC_FILE_DEFINE(smbd_receive_credit_max);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 665) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 666)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 667) static struct proc_dir_entry *proc_fs_cifs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 668) static const struct proc_ops cifsFYI_proc_ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 669) static const struct proc_ops cifs_lookup_cache_proc_ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 670) static const struct proc_ops traceSMB_proc_ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 671) static const struct proc_ops cifs_security_flags_proc_ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 672) static const struct proc_ops cifs_linux_ext_proc_ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 673)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 674) void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 675) cifs_proc_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 676) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 677) proc_fs_cifs = proc_mkdir("fs/cifs", NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 678) if (proc_fs_cifs == NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 679) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 680)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 681) proc_create_single("DebugData", 0, proc_fs_cifs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 682) cifs_debug_data_proc_show);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 683)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 684) proc_create_single("open_files", 0400, proc_fs_cifs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 685) cifs_debug_files_proc_show);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 686)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 687) proc_create("Stats", 0644, proc_fs_cifs, &cifs_stats_proc_ops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 688) proc_create("cifsFYI", 0644, proc_fs_cifs, &cifsFYI_proc_ops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 689) proc_create("traceSMB", 0644, proc_fs_cifs, &traceSMB_proc_ops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 690) proc_create("LinuxExtensionsEnabled", 0644, proc_fs_cifs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 691) &cifs_linux_ext_proc_ops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 692) proc_create("SecurityFlags", 0644, proc_fs_cifs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 693) &cifs_security_flags_proc_ops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 694) proc_create("LookupCacheEnabled", 0644, proc_fs_cifs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 695) &cifs_lookup_cache_proc_ops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 696)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 697) #ifdef CONFIG_CIFS_DFS_UPCALL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 698) proc_create("dfscache", 0644, proc_fs_cifs, &dfscache_proc_ops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 699) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 700)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 701) #ifdef CONFIG_CIFS_SMB_DIRECT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 702) proc_create("rdma_readwrite_threshold", 0644, proc_fs_cifs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 703) &cifs_rdma_readwrite_threshold_proc_fops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 704) proc_create("smbd_max_frmr_depth", 0644, proc_fs_cifs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 705) &cifs_smbd_max_frmr_depth_proc_fops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 706) proc_create("smbd_keep_alive_interval", 0644, proc_fs_cifs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 707) &cifs_smbd_keep_alive_interval_proc_fops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 708) proc_create("smbd_max_receive_size", 0644, proc_fs_cifs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 709) &cifs_smbd_max_receive_size_proc_fops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 710) proc_create("smbd_max_fragmented_recv_size", 0644, proc_fs_cifs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 711) &cifs_smbd_max_fragmented_recv_size_proc_fops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 712) proc_create("smbd_max_send_size", 0644, proc_fs_cifs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 713) &cifs_smbd_max_send_size_proc_fops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 714) proc_create("smbd_send_credit_target", 0644, proc_fs_cifs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 715) &cifs_smbd_send_credit_target_proc_fops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 716) proc_create("smbd_receive_credit_max", 0644, proc_fs_cifs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 717) &cifs_smbd_receive_credit_max_proc_fops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 718) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 719) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 720)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 721) void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 722) cifs_proc_clean(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 723) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 724) if (proc_fs_cifs == NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 725) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 726)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 727) remove_proc_entry("DebugData", proc_fs_cifs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 728) remove_proc_entry("open_files", proc_fs_cifs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 729) remove_proc_entry("cifsFYI", proc_fs_cifs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 730) remove_proc_entry("traceSMB", proc_fs_cifs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 731) remove_proc_entry("Stats", proc_fs_cifs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 732) remove_proc_entry("SecurityFlags", proc_fs_cifs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 733) remove_proc_entry("LinuxExtensionsEnabled", proc_fs_cifs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 734) remove_proc_entry("LookupCacheEnabled", proc_fs_cifs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 735)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 736) #ifdef CONFIG_CIFS_DFS_UPCALL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 737) remove_proc_entry("dfscache", proc_fs_cifs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 738) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 739) #ifdef CONFIG_CIFS_SMB_DIRECT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 740) remove_proc_entry("rdma_readwrite_threshold", proc_fs_cifs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 741) remove_proc_entry("smbd_max_frmr_depth", proc_fs_cifs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 742) remove_proc_entry("smbd_keep_alive_interval", proc_fs_cifs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 743) remove_proc_entry("smbd_max_receive_size", proc_fs_cifs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 744) remove_proc_entry("smbd_max_fragmented_recv_size", proc_fs_cifs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 745) remove_proc_entry("smbd_max_send_size", proc_fs_cifs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 746) remove_proc_entry("smbd_send_credit_target", proc_fs_cifs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 747) remove_proc_entry("smbd_receive_credit_max", proc_fs_cifs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 748) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 749) remove_proc_entry("fs/cifs", NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 750) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 751)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 752) static int cifsFYI_proc_show(struct seq_file *m, void *v)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 753) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 754) seq_printf(m, "%d\n", cifsFYI);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 755) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 756) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 757)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 758) static int cifsFYI_proc_open(struct inode *inode, struct file *file)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 759) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 760) return single_open(file, cifsFYI_proc_show, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 761) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 762)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 763) static ssize_t cifsFYI_proc_write(struct file *file, const char __user *buffer,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 764) size_t count, loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 765) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 766) char c[2] = { '\0' };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 767) bool bv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 768) int rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 769)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 770) rc = get_user(c[0], buffer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 771) if (rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 772) return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 773) if (strtobool(c, &bv) == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 774) cifsFYI = bv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 775) else if ((c[0] > '1') && (c[0] <= '9'))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 776) cifsFYI = (int) (c[0] - '0'); /* see cifs_debug.h for meanings */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 777) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 778) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 779)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 780) return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 781) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 782)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 783) static const struct proc_ops cifsFYI_proc_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 784) .proc_open = cifsFYI_proc_open,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 785) .proc_read = seq_read,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 786) .proc_lseek = seq_lseek,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 787) .proc_release = single_release,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 788) .proc_write = cifsFYI_proc_write,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 789) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 790)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 791) static int cifs_linux_ext_proc_show(struct seq_file *m, void *v)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 792) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 793) seq_printf(m, "%d\n", linuxExtEnabled);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 794) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 795) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 796)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 797) static int cifs_linux_ext_proc_open(struct inode *inode, struct file *file)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 798) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 799) return single_open(file, cifs_linux_ext_proc_show, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 800) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 801)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 802) static ssize_t cifs_linux_ext_proc_write(struct file *file,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 803) const char __user *buffer, size_t count, loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 804) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 805) int rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 806)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 807) rc = kstrtobool_from_user(buffer, count, &linuxExtEnabled);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 808) if (rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 809) return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 810)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 811) return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 812) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 813)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 814) static const struct proc_ops cifs_linux_ext_proc_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 815) .proc_open = cifs_linux_ext_proc_open,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 816) .proc_read = seq_read,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 817) .proc_lseek = seq_lseek,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 818) .proc_release = single_release,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 819) .proc_write = cifs_linux_ext_proc_write,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 820) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 821)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 822) static int cifs_lookup_cache_proc_show(struct seq_file *m, void *v)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 823) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 824) seq_printf(m, "%d\n", lookupCacheEnabled);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 825) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 826) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 827)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 828) static int cifs_lookup_cache_proc_open(struct inode *inode, struct file *file)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 829) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 830) return single_open(file, cifs_lookup_cache_proc_show, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 831) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 832)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 833) static ssize_t cifs_lookup_cache_proc_write(struct file *file,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 834) const char __user *buffer, size_t count, loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 835) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 836) int rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 837)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 838) rc = kstrtobool_from_user(buffer, count, &lookupCacheEnabled);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 839) if (rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 840) return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 841)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 842) return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 843) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 844)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 845) static const struct proc_ops cifs_lookup_cache_proc_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 846) .proc_open = cifs_lookup_cache_proc_open,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 847) .proc_read = seq_read,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 848) .proc_lseek = seq_lseek,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 849) .proc_release = single_release,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 850) .proc_write = cifs_lookup_cache_proc_write,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 851) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 852)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 853) static int traceSMB_proc_show(struct seq_file *m, void *v)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 854) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 855) seq_printf(m, "%d\n", traceSMB);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 856) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 857) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 858)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 859) static int traceSMB_proc_open(struct inode *inode, struct file *file)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 860) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 861) return single_open(file, traceSMB_proc_show, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 862) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 863)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 864) static ssize_t traceSMB_proc_write(struct file *file, const char __user *buffer,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 865) size_t count, loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 866) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 867) int rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 868)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 869) rc = kstrtobool_from_user(buffer, count, &traceSMB);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 870) if (rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 871) return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 872)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 873) return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 874) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 875)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 876) static const struct proc_ops traceSMB_proc_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 877) .proc_open = traceSMB_proc_open,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 878) .proc_read = seq_read,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 879) .proc_lseek = seq_lseek,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 880) .proc_release = single_release,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 881) .proc_write = traceSMB_proc_write,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 882) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 883)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 884) static int cifs_security_flags_proc_show(struct seq_file *m, void *v)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 885) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 886) seq_printf(m, "0x%x\n", global_secflags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 887) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 888) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 889)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 890) static int cifs_security_flags_proc_open(struct inode *inode, struct file *file)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 891) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 892) return single_open(file, cifs_security_flags_proc_show, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 893) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 894)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 895) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 896) * Ensure that if someone sets a MUST flag, that we disable all other MAY
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 897) * flags except for the ones corresponding to the given MUST flag. If there are
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 898) * multiple MUST flags, then try to prefer more secure ones.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 899) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 900) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 901) cifs_security_flags_handle_must_flags(unsigned int *flags)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 902) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 903) unsigned int signflags = *flags & CIFSSEC_MUST_SIGN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 904)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 905) if ((*flags & CIFSSEC_MUST_KRB5) == CIFSSEC_MUST_KRB5)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 906) *flags = CIFSSEC_MUST_KRB5;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 907) else if ((*flags & CIFSSEC_MUST_NTLMSSP) == CIFSSEC_MUST_NTLMSSP)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 908) *flags = CIFSSEC_MUST_NTLMSSP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 909) else if ((*flags & CIFSSEC_MUST_NTLMV2) == CIFSSEC_MUST_NTLMV2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 910) *flags = CIFSSEC_MUST_NTLMV2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 911) else if ((*flags & CIFSSEC_MUST_NTLM) == CIFSSEC_MUST_NTLM)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 912) *flags = CIFSSEC_MUST_NTLM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 913) else if (CIFSSEC_MUST_LANMAN &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 914) (*flags & CIFSSEC_MUST_LANMAN) == CIFSSEC_MUST_LANMAN)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 915) *flags = CIFSSEC_MUST_LANMAN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 916) else if (CIFSSEC_MUST_PLNTXT &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 917) (*flags & CIFSSEC_MUST_PLNTXT) == CIFSSEC_MUST_PLNTXT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 918) *flags = CIFSSEC_MUST_PLNTXT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 919)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 920) *flags |= signflags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 921) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 922)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 923) static ssize_t cifs_security_flags_proc_write(struct file *file,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 924) const char __user *buffer, size_t count, loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 925) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 926) int rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 927) unsigned int flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 928) char flags_string[12];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 929) bool bv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 930)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 931) if ((count < 1) || (count > 11))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 932) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 933)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 934) memset(flags_string, 0, 12);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 935)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 936) if (copy_from_user(flags_string, buffer, count))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 937) return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 938)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 939) if (count < 3) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 940) /* single char or single char followed by null */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 941) if (strtobool(flags_string, &bv) == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 942) global_secflags = bv ? CIFSSEC_MAX : CIFSSEC_DEF;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 943) return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 944) } else if (!isdigit(flags_string[0])) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 945) cifs_dbg(VFS, "Invalid SecurityFlags: %s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 946) flags_string);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 947) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 948) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 949) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 950)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 951) /* else we have a number */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 952) rc = kstrtouint(flags_string, 0, &flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 953) if (rc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 954) cifs_dbg(VFS, "Invalid SecurityFlags: %s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 955) flags_string);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 956) return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 957) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 958)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 959) cifs_dbg(FYI, "sec flags 0x%x\n", flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 960)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 961) if (flags == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 962) cifs_dbg(VFS, "Invalid SecurityFlags: %s\n", flags_string);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 963) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 964) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 965)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 966) if (flags & ~CIFSSEC_MASK) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 967) cifs_dbg(VFS, "Unsupported security flags: 0x%x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 968) flags & ~CIFSSEC_MASK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 969) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 970) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 971)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 972) cifs_security_flags_handle_must_flags(&flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 973)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 974) /* flags look ok - update the global security flags for cifs module */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 975) global_secflags = flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 976) if (global_secflags & CIFSSEC_MUST_SIGN) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 977) /* requiring signing implies signing is allowed */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 978) global_secflags |= CIFSSEC_MAY_SIGN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 979) cifs_dbg(FYI, "packet signing now required\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 980) } else if ((global_secflags & CIFSSEC_MAY_SIGN) == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 981) cifs_dbg(FYI, "packet signing disabled\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 982) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 983) /* BB should we turn on MAY flags for other MUST options? */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 984) return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 985) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 986)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 987) static const struct proc_ops cifs_security_flags_proc_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 988) .proc_open = cifs_security_flags_proc_open,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 989) .proc_read = seq_read,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 990) .proc_lseek = seq_lseek,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 991) .proc_release = single_release,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 992) .proc_write = cifs_security_flags_proc_write,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 993) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 994) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 995) inline void cifs_proc_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 996) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 997) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 998)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 999) inline void cifs_proc_clean(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1000) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1001) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1002) #endif /* PROC_FS */
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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