CIFS: Make demultiplex_thread work with SMB2 code
Now we can process SMB2 messages: check message, get message id
and wakeup awaiting routines.
Signed-off-by: Pavel Shilovsky <piastryyy@gmail.com>
Signed-off-by: Steve French <smfrench@gmail.com>
diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c
index 67a0598..c6f8154 100644
--- a/fs/cifs/smb2ops.c
+++ b/fs/cifs/smb2ops.c
@@ -107,6 +107,38 @@
return mid;
}
+static struct mid_q_entry *
+smb2_find_mid(struct TCP_Server_Info *server, char *buf)
+{
+ struct mid_q_entry *mid;
+ struct smb2_hdr *hdr = (struct smb2_hdr *)buf;
+
+ spin_lock(&GlobalMid_Lock);
+ list_for_each_entry(mid, &server->pending_mid_q, qhead) {
+ if ((mid->mid == hdr->MessageId) &&
+ (mid->mid_state == MID_REQUEST_SUBMITTED) &&
+ (mid->command == hdr->Command)) {
+ spin_unlock(&GlobalMid_Lock);
+ return mid;
+ }
+ }
+ spin_unlock(&GlobalMid_Lock);
+ return NULL;
+}
+
+static void
+smb2_dump_detail(void *buf)
+{
+#ifdef CONFIG_CIFS_DEBUG2
+ struct smb2_hdr *smb = (struct smb2_hdr *)buf;
+
+ cERROR(1, "Cmd: %d Err: 0x%x Flags: 0x%x Mid: %llu Pid: %d",
+ smb->Command, smb->Status, smb->Flags, smb->MessageId,
+ smb->ProcessId);
+ cERROR(1, "smb buf %p len %u", smb, smb2_calc_size(smb));
+#endif
+}
+
struct smb_version_operations smb21_operations = {
.setup_request = smb2_setup_request,
.check_receive = smb2_check_receive,
@@ -115,9 +147,14 @@
.get_credits_field = smb2_get_credits_field,
.get_credits = smb2_get_credits,
.get_next_mid = smb2_get_next_mid,
+ .find_mid = smb2_find_mid,
+ .check_message = smb2_check_message,
+ .dump_detail = smb2_dump_detail,
};
struct smb_version_values smb21_values = {
.version_string = SMB21_VERSION_STRING,
+ .header_size = sizeof(struct smb2_hdr),
+ .max_header_size = MAX_SMB2_HDR_SIZE,
.lock_cmd = SMB2_LOCK,
};