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path: root/fs/smb/client/smb2ops.c
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Diffstat (limited to 'fs/smb/client/smb2ops.c')
-rw-r--r--fs/smb/client/smb2ops.c100
1 files changed, 57 insertions, 43 deletions
diff --git a/fs/smb/client/smb2ops.c b/fs/smb/client/smb2ops.c
index 2fe8eeb98535..ad8947434b71 100644
--- a/fs/smb/client/smb2ops.c
+++ b/fs/smb/client/smb2ops.c
@@ -91,7 +91,7 @@ smb2_add_credits(struct TCP_Server_Info *server,
if (*val > 65000) {
*val = 65000; /* Don't get near 64K credits, avoid srv bugs */
pr_warn_once("server overflowed SMB3 credits\n");
- trace_smb3_overflow_credits(server->CurrentMid,
+ trace_smb3_overflow_credits(server->current_mid,
server->conn_id, server->hostname, *val,
add, server->in_flight);
}
@@ -136,7 +136,7 @@ smb2_add_credits(struct TCP_Server_Info *server,
wake_up(&server->request_q);
if (reconnect_detected) {
- trace_smb3_reconnect_detected(server->CurrentMid,
+ trace_smb3_reconnect_detected(server->current_mid,
server->conn_id, server->hostname, scredits, add, in_flight);
cifs_dbg(FYI, "trying to put %d credits from the old server instance %d\n",
@@ -144,7 +144,7 @@ smb2_add_credits(struct TCP_Server_Info *server,
}
if (reconnect_with_invalid_credits) {
- trace_smb3_reconnect_with_invalid_credits(server->CurrentMid,
+ trace_smb3_reconnect_with_invalid_credits(server->current_mid,
server->conn_id, server->hostname, scredits, add, in_flight);
cifs_dbg(FYI, "Negotiate operation when server credits is non-zero. Optype: %d, server credits: %d, credits added: %d\n",
optype, scredits, add);
@@ -176,7 +176,7 @@ smb2_add_credits(struct TCP_Server_Info *server,
break;
}
- trace_smb3_add_credits(server->CurrentMid,
+ trace_smb3_add_credits(server->current_mid,
server->conn_id, server->hostname, scredits, add, in_flight);
cifs_dbg(FYI, "%s: added %u credits total=%d\n", __func__, add, scredits);
}
@@ -203,7 +203,7 @@ smb2_set_credits(struct TCP_Server_Info *server, const int val)
in_flight = server->in_flight;
spin_unlock(&server->req_lock);
- trace_smb3_set_credits(server->CurrentMid,
+ trace_smb3_set_credits(server->current_mid,
server->conn_id, server->hostname, scredits, val, in_flight);
cifs_dbg(FYI, "%s: set %u credits\n", __func__, val);
@@ -288,7 +288,7 @@ smb2_wait_mtu_credits(struct TCP_Server_Info *server, size_t size,
in_flight = server->in_flight;
spin_unlock(&server->req_lock);
- trace_smb3_wait_credits(server->CurrentMid,
+ trace_smb3_wait_credits(server->current_mid,
server->conn_id, server->hostname, scredits, -(credits->value), in_flight);
cifs_dbg(FYI, "%s: removed %u credits total=%d\n",
__func__, credits->value, scredits);
@@ -316,7 +316,7 @@ smb2_adjust_credits(struct TCP_Server_Info *server,
server->credits, server->in_flight,
new_val - credits->value,
cifs_trace_rw_credits_no_adjust_up);
- trace_smb3_too_many_credits(server->CurrentMid,
+ trace_smb3_too_many_credits(server->current_mid,
server->conn_id, server->hostname, 0, credits->value - new_val, 0);
cifs_server_dbg(VFS, "R=%x[%x] request has less credits (%d) than required (%d)",
subreq->rreq->debug_id, subreq->subreq.debug_index,
@@ -338,7 +338,7 @@ smb2_adjust_credits(struct TCP_Server_Info *server,
server->credits, server->in_flight,
new_val - credits->value,
cifs_trace_rw_credits_old_session);
- trace_smb3_reconnect_detected(server->CurrentMid,
+ trace_smb3_reconnect_detected(server->current_mid,
server->conn_id, server->hostname, scredits,
credits->value - new_val, in_flight);
cifs_server_dbg(VFS, "R=%x[%x] trying to return %d credits to old session\n",
@@ -358,7 +358,7 @@ smb2_adjust_credits(struct TCP_Server_Info *server,
spin_unlock(&server->req_lock);
wake_up(&server->request_q);
- trace_smb3_adj_credits(server->CurrentMid,
+ trace_smb3_adj_credits(server->current_mid,
server->conn_id, server->hostname, scredits,
credits->value - new_val, in_flight);
cifs_dbg(FYI, "%s: adjust added %u credits total=%d\n",
@@ -374,19 +374,19 @@ smb2_get_next_mid(struct TCP_Server_Info *server)
{
__u64 mid;
/* for SMB2 we need the current value */
- spin_lock(&server->mid_lock);
- mid = server->CurrentMid++;
- spin_unlock(&server->mid_lock);
+ spin_lock(&server->mid_counter_lock);
+ mid = server->current_mid++;
+ spin_unlock(&server->mid_counter_lock);
return mid;
}
static void
smb2_revert_current_mid(struct TCP_Server_Info *server, const unsigned int val)
{
- spin_lock(&server->mid_lock);
- if (server->CurrentMid >= val)
- server->CurrentMid -= val;
- spin_unlock(&server->mid_lock);
+ spin_lock(&server->mid_counter_lock);
+ if (server->current_mid >= val)
+ server->current_mid -= val;
+ spin_unlock(&server->mid_counter_lock);
}
static struct mid_q_entry *
@@ -401,7 +401,7 @@ __smb2_find_mid(struct TCP_Server_Info *server, char *buf, bool dequeue)
return NULL;
}
- spin_lock(&server->mid_lock);
+ spin_lock(&server->mid_queue_lock);
list_for_each_entry(mid, &server->pending_mid_q, qhead) {
if ((mid->mid == wire_mid) &&
(mid->mid_state == MID_REQUEST_SUBMITTED) &&
@@ -409,13 +409,13 @@ __smb2_find_mid(struct TCP_Server_Info *server, char *buf, bool dequeue)
kref_get(&mid->refcount);
if (dequeue) {
list_del_init(&mid->qhead);
- mid->mid_flags |= MID_DELETED;
+ mid->deleted_from_q = true;
}
- spin_unlock(&server->mid_lock);
+ spin_unlock(&server->mid_queue_lock);
return mid;
}
}
- spin_unlock(&server->mid_lock);
+ spin_unlock(&server->mid_queue_lock);
return NULL;
}
@@ -460,9 +460,9 @@ smb2_negotiate(const unsigned int xid,
{
int rc;
- spin_lock(&server->mid_lock);
- server->CurrentMid = 0;
- spin_unlock(&server->mid_lock);
+ spin_lock(&server->mid_counter_lock);
+ server->current_mid = 0;
+ spin_unlock(&server->mid_counter_lock);
rc = SMB2_negotiate(xid, ses, server);
return rc;
}
@@ -504,6 +504,9 @@ smb3_negotiate_wsize(struct cifs_tcon *tcon, struct smb3_fs_context *ctx)
wsize = min_t(unsigned int, wsize, server->max_write);
#ifdef CONFIG_CIFS_SMB_DIRECT
if (server->rdma) {
+ struct smbdirect_socket_parameters *sp =
+ &server->smbd_conn->socket.parameters;
+
if (server->sign)
/*
* Account for SMB2 data transfer packet header and
@@ -511,12 +514,12 @@ smb3_negotiate_wsize(struct cifs_tcon *tcon, struct smb3_fs_context *ctx)
*/
wsize = min_t(unsigned int,
wsize,
- server->smbd_conn->max_fragmented_send_size -
+ sp->max_fragmented_send_size -
SMB2_READWRITE_PDU_HEADER_SIZE -
sizeof(struct smb2_transform_hdr));
else
wsize = min_t(unsigned int,
- wsize, server->smbd_conn->max_readwrite_size);
+ wsize, sp->max_read_write_size);
}
#endif
if (!(server->capabilities & SMB2_GLOBAL_CAP_LARGE_MTU))
@@ -552,6 +555,9 @@ smb3_negotiate_rsize(struct cifs_tcon *tcon, struct smb3_fs_context *ctx)
rsize = min_t(unsigned int, rsize, server->max_read);
#ifdef CONFIG_CIFS_SMB_DIRECT
if (server->rdma) {
+ struct smbdirect_socket_parameters *sp =
+ &server->smbd_conn->socket.parameters;
+
if (server->sign)
/*
* Account for SMB2 data transfer packet header and
@@ -559,12 +565,12 @@ smb3_negotiate_rsize(struct cifs_tcon *tcon, struct smb3_fs_context *ctx)
*/
rsize = min_t(unsigned int,
rsize,
- server->smbd_conn->max_fragmented_recv_size -
+ sp->max_fragmented_recv_size -
SMB2_READWRITE_PDU_HEADER_SIZE -
sizeof(struct smb2_transform_hdr));
else
rsize = min_t(unsigned int,
- rsize, server->smbd_conn->max_readwrite_size);
+ rsize, sp->max_read_write_size);
}
#endif
@@ -2492,7 +2498,7 @@ smb2_is_status_pending(char *buf, struct TCP_Server_Info *server)
spin_unlock(&server->req_lock);
wake_up(&server->request_q);
- trace_smb3_pend_credits(server->CurrentMid,
+ trace_smb3_pend_credits(server->current_mid,
server->conn_id, server->hostname, scredits,
le16_to_cpu(shdr->CreditRequest), in_flight);
cifs_dbg(FYI, "%s: status pending add %u credits total=%d\n",
@@ -4069,7 +4075,7 @@ map_oplock_to_lease(u8 oplock)
}
static char *
-smb2_create_lease_buf(u8 *lease_key, u8 oplock)
+smb2_create_lease_buf(u8 *lease_key, u8 oplock, u8 *parent_lease_key, __le32 flags)
{
struct create_lease *buf;
@@ -4095,7 +4101,7 @@ smb2_create_lease_buf(u8 *lease_key, u8 oplock)
}
static char *
-smb3_create_lease_buf(u8 *lease_key, u8 oplock)
+smb3_create_lease_buf(u8 *lease_key, u8 oplock, u8 *parent_lease_key, __le32 flags)
{
struct create_lease_v2 *buf;
@@ -4105,6 +4111,9 @@ smb3_create_lease_buf(u8 *lease_key, u8 oplock)
memcpy(&buf->lcontext.LeaseKey, lease_key, SMB2_LEASE_KEY_SIZE);
buf->lcontext.LeaseState = map_oplock_to_lease(oplock);
+ buf->lcontext.LeaseFlags = flags;
+ if (flags & SMB2_LEASE_FLAG_PARENT_LEASE_KEY_SET_LE)
+ memcpy(&buf->lcontext.ParentLeaseKey, parent_lease_key, SMB2_LEASE_KEY_SIZE);
buf->ccontext.DataOffset = cpu_to_le16(offsetof
(struct create_lease_v2, lcontext));
@@ -4307,6 +4316,7 @@ crypt_message(struct TCP_Server_Info *server, int num_rqst,
u8 key[SMB3_ENC_DEC_KEY_SIZE];
struct aead_request *req;
u8 *iv;
+ DECLARE_CRYPTO_WAIT(wait);
unsigned int crypt_len = le32_to_cpu(tr_hdr->OriginalMessageSize);
void *creq;
size_t sensitive_size;
@@ -4357,7 +4367,11 @@ crypt_message(struct TCP_Server_Info *server, int num_rqst,
aead_request_set_crypt(req, sg, sg, crypt_len, iv);
aead_request_set_ad(req, assoc_data_len);
- rc = enc ? crypto_aead_encrypt(req) : crypto_aead_decrypt(req);
+ aead_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
+ crypto_req_done, &wait);
+
+ rc = crypto_wait_req(enc ? crypto_aead_encrypt(req)
+ : crypto_aead_decrypt(req), &wait);
if (!rc && enc)
memcpy(&tr_hdr->Signature, sign, SMB2_SIGNATURE_SIZE);
@@ -4795,18 +4809,18 @@ static void smb2_decrypt_offload(struct work_struct *work)
} else {
spin_lock(&dw->server->srv_lock);
if (dw->server->tcpStatus == CifsNeedReconnect) {
- spin_lock(&dw->server->mid_lock);
+ spin_lock(&dw->server->mid_queue_lock);
mid->mid_state = MID_RETRY_NEEDED;
- spin_unlock(&dw->server->mid_lock);
+ spin_unlock(&dw->server->mid_queue_lock);
spin_unlock(&dw->server->srv_lock);
mid->callback(mid);
} else {
- spin_lock(&dw->server->mid_lock);
+ spin_lock(&dw->server->mid_queue_lock);
mid->mid_state = MID_REQUEST_SUBMITTED;
- mid->mid_flags &= ~(MID_DELETED);
+ mid->deleted_from_q = false;
list_add_tail(&mid->qhead,
&dw->server->pending_mid_q);
- spin_unlock(&dw->server->mid_lock);
+ spin_unlock(&dw->server->mid_queue_lock);
spin_unlock(&dw->server->srv_lock);
}
}
@@ -5246,9 +5260,9 @@ static int smb2_make_node(unsigned int xid, struct inode *inode,
if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_UNX_EMUL) {
rc = cifs_sfu_make_node(xid, inode, dentry, tcon,
full_path, mode, dev);
- } else if (le32_to_cpu(tcon->fsAttrInfo.Attributes) & FILE_SUPPORTS_REPARSE_POINTS) {
- rc = smb2_mknod_reparse(xid, inode, dentry, tcon,
- full_path, mode, dev);
+ } else if (CIFS_REPARSE_SUPPORT(tcon)) {
+ rc = mknod_reparse(xid, inode, dentry, tcon,
+ full_path, mode, dev);
}
return rc;
}
@@ -5306,7 +5320,7 @@ struct smb_version_operations smb20_operations = {
.get_reparse_point_buffer = smb2_get_reparse_point_buffer,
.query_mf_symlink = smb3_query_mf_symlink,
.create_mf_symlink = smb3_create_mf_symlink,
- .create_reparse_symlink = smb2_create_reparse_symlink,
+ .create_reparse_inode = smb2_create_reparse_inode,
.open = smb2_open_file,
.set_fid = smb2_set_fid,
.close = smb2_close_file,
@@ -5409,7 +5423,7 @@ struct smb_version_operations smb21_operations = {
.get_reparse_point_buffer = smb2_get_reparse_point_buffer,
.query_mf_symlink = smb3_query_mf_symlink,
.create_mf_symlink = smb3_create_mf_symlink,
- .create_reparse_symlink = smb2_create_reparse_symlink,
+ .create_reparse_inode = smb2_create_reparse_inode,
.open = smb2_open_file,
.set_fid = smb2_set_fid,
.close = smb2_close_file,
@@ -5516,7 +5530,7 @@ struct smb_version_operations smb30_operations = {
.get_reparse_point_buffer = smb2_get_reparse_point_buffer,
.query_mf_symlink = smb3_query_mf_symlink,
.create_mf_symlink = smb3_create_mf_symlink,
- .create_reparse_symlink = smb2_create_reparse_symlink,
+ .create_reparse_inode = smb2_create_reparse_inode,
.open = smb2_open_file,
.set_fid = smb2_set_fid,
.close = smb2_close_file,
@@ -5632,7 +5646,7 @@ struct smb_version_operations smb311_operations = {
.get_reparse_point_buffer = smb2_get_reparse_point_buffer,
.query_mf_symlink = smb3_query_mf_symlink,
.create_mf_symlink = smb3_create_mf_symlink,
- .create_reparse_symlink = smb2_create_reparse_symlink,
+ .create_reparse_inode = smb2_create_reparse_inode,
.open = smb2_open_file,
.set_fid = smb2_set_fid,
.close = smb2_close_file,
generated by cgit v1.2.3 (git 2.39.0) at 2025-08-11 22:36:15 +0300