smbd: qfilepathinfo has fixed/variable buffers

[samba.git] / source3 / smbd / globals.h

diff --git a/source3/smbd/globals.h b/source3/smbd/globals.h
index 663daa4b640cae0101c2d4dbc00c78c679570d1c..7fbe608744076e6f87aed6e9eed59baa3935117d 100644 (file)
--- a/source3/smbd/globals.h
+++ b/source3/smbd/globals.h
@@ -162,6 +162,7 @@ NTSTATUS smbd_do_qfilepathinfo(connection_struct *conn,
                               char *lock_data,
                               uint16_t flags2,
                               unsigned int max_data_bytes,
+                              size_t *fixed_portion,
                               char **ppdata,
                               unsigned int *pdata_size);
 
@@ -179,6 +180,7 @@ NTSTATUS smbd_do_qfsinfo(connection_struct *conn,
                         uint16_t info_level,
                         uint16_t flags2,
                         unsigned int max_data_bytes,
+                        struct smb_filename *smb_fname,
                         char **ppdata,
                         int *ret_data_len);
 
@@ -369,8 +371,6 @@ struct smbd_smb2_request {
        struct smb_request *smb1req;
        struct files_struct *compat_chain_fsp;
 
-       NTSTATUS next_status;
-
        /*
         * The sub request for async backend calls.
         * This is used for SMB2 Cancel.
@@ -603,14 +603,51 @@ struct smbd_server_connection {
                        bool blocking_lock_unlock_state;
                } locks;
                struct smbd_smb2_request *requests;
+               /*
+                * seqnum_low is the lowest sequence number
+                * we will accept.
+                */
                uint64_t seqnum_low;
-               uint32_t credits_granted;
-               uint32_t max_credits;
+               /*
+                * seqnum_range is the range of credits we have
+                * granted from the sequence windows starting
+                * at seqnum_low.
+                *
+                * This gets incremented when new credits are
+                * granted and gets decremented when the
+                * lowest sequence number is consumed
+                * (when seqnum_low gets incremented).
+                */
+               uint16_t seqnum_range;
+               /*
+                * credits_grantedThe number of credits we have currently granted
+                * to the client.
+                *
+                * This gets incremented when new credits are
+                * granted and gets decremented when any credit
+                * is comsumed.
+                *
+                * Note: the decrementing is different compared
+                *       to seqnum_range.
+                */
+               uint16_t credits_granted;
+               /*
+                * The maximum number of credits we will ever
+                * grant to the client.
+                *
+                * Typically we will only grant 1/16th of
+                * max_credits.
+                *
+                * This is the "server max credits" parameter.
+                */
+               uint16_t max_credits;
+               /*
+                * a bitmap of size max_credits
+                */
+               struct bitmap *credits_bitmap;
                uint32_t max_trans;
                uint32_t max_read;
                uint32_t max_write;
-               struct bitmap *credits_bitmap;
-               bool compound_related_in_progress;
        } smb2;
 };