X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=include%2Fenv_flags.h;h=2d2de88fc04fdd187caf5dd32799a56b6ac3ede0;hb=5c27b3b75988f13e313e028dc6849c5c531a5f75;hp=7e72523f02666e06db474b2c7d49f63b35ab49d1;hpb=fffad71bc489cf224eda6d826a1645423852ee45;p=karo-tx-uboot.git

diff --git a/include/env_flags.h b/include/env_flags.h
index 7e72523f02..2d2de88fc0 100644
--- a/include/env_flags.h
+++ b/include/env_flags.h
@@ -2,23 +2,7 @@
  * (C) Copyright 2012
  * Joe Hershberger, National Instruments, joe.hershberger@ni.com
  *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #ifndef __ENV_FLAGS_H__
@@ -36,15 +20,61 @@ enum env_flags_vartype {
 	env_flags_vartype_end
 };
 
+enum env_flags_varaccess {
+	env_flags_varaccess_any,
+	env_flags_varaccess_readonly,
+	env_flags_varaccess_writeonce,
+	env_flags_varaccess_changedefault,
+	env_flags_varaccess_end
+};
+
 #define ENV_FLAGS_VAR ".flags"
 #define ENV_FLAGS_ATTR_MAX_LEN 2
 #define ENV_FLAGS_VARTYPE_LOC 0
+#define ENV_FLAGS_VARACCESS_LOC 1
 
 #ifndef CONFIG_ENV_FLAGS_LIST_STATIC
 #define CONFIG_ENV_FLAGS_LIST_STATIC ""
 #endif
 
+#ifdef CONFIG_CMD_NET
+#ifdef CONFIG_REGEX
+#define ETHADDR_WILDCARD "\\d?"
+#else
+#define ETHADDR_WILDCARD
+#endif
+#ifdef CONFIG_ENV_OVERWRITE
+#define ETHADDR_FLAGS "eth" ETHADDR_WILDCARD "addr:ma,"
+#else
+#ifdef CONFIG_OVERWRITE_ETHADDR_ONCE
+#define ETHADDR_FLAGS "eth" ETHADDR_WILDCARD "addr:mc,"
+#else
+#define ETHADDR_FLAGS "eth" ETHADDR_WILDCARD "addr:mo,"
+#endif
+#endif
+#define NET_FLAGS \
+	"ipaddr:i," \
+	"gatewayip:i," \
+	"netmask:i," \
+	"serverip:i," \
+	"nvlan:i," \
+	"vlan:i," \
+	"dnsip:i,"
+#else
+#define ETHADDR_FLAGS
+#define NET_FLAGS
+#endif
+
+#ifndef CONFIG_ENV_OVERWRITE
+#define SERIAL_FLAGS "serial#:so,"
+#else
+#define SERIAL_FLAGS ""
+#endif
+
 #define ENV_FLAGS_LIST_STATIC \
+	ETHADDR_FLAGS \
+	NET_FLAGS \
+	SERIAL_FLAGS \
 	CONFIG_ENV_FLAGS_LIST_STATIC
 
 #ifdef CONFIG_CMD_ENV_FLAGS
@@ -52,27 +82,57 @@ enum env_flags_vartype {
  * Print the whole list of available type flags.
  */
 void env_flags_print_vartypes(void);
+/*
+ * Print the whole list of available access flags.
+ */
+void env_flags_print_varaccess(void);
 /*
  * Return the name of the type.
  */
 const char *env_flags_get_vartype_name(enum env_flags_vartype type);
+/*
+ * Return the name of the access.
+ */
+const char *env_flags_get_varaccess_name(enum env_flags_varaccess access);
 #endif
 
 /*
  * Parse the flags string from a .flags attribute list into the vartype enum.
  */
 enum env_flags_vartype env_flags_parse_vartype(const char *flags);
+/*
+ * Parse the flags string from a .flags attribute list into the varaccess enum.
+ */
+enum env_flags_varaccess env_flags_parse_varaccess(const char *flags);
+/*
+ * Parse the binary flags from a hash table entry into the varaccess enum.
+ */
+enum env_flags_varaccess env_flags_parse_varaccess_from_binflags(int binflags);
 
 #ifdef USE_HOSTCC
 /*
  * Look up the type of a variable directly from the .flags var.
  */
 enum env_flags_vartype env_flags_get_type(const char *name);
+/*
+ * Look up the access of a variable directly from the .flags var.
+ */
+enum env_flags_varaccess env_flags_get_access(const char *name);
 /*
  * Validate the newval for its type to conform with the requirements defined by
  * its flags (directly looked at the .flags var).
  */
 int env_flags_validate_type(const char *name, const char *newval);
+/*
+ * Validate the newval for its access to conform with the requirements defined
+ * by its flags (directly looked at the .flags var).
+ */
+int env_flags_validate_access(const char *name, int check_mask);
+/*
+ * Validate that the proposed access to variable "name" is valid according to
+ * the defined flags for that variable, if any.
+ */
+int env_flags_validate_varaccess(const char *name, int check_mask);
 /*
  * Validate the parameters passed to "env set" for type compliance
  */
@@ -94,13 +154,18 @@ void env_flags_init(ENTRY *var_entry);
 int env_flags_validate(const ENTRY *item, const char *newval, enum env_op op,
 	int flag);
 
+#endif /* USE_HOSTCC */
+
 /*
  * These are the binary flags used in the environment entry->flags variable to
  * decribe properties of veriables in the table
  */
-#define ENV_FLAGS_VARTYPE_BIN_MASK	0x00000007
+#define ENV_FLAGS_VARTYPE_BIN_MASK			0x00000007
 /* The actual variable type values use the enum value (within the mask) */
-
-#endif /* USE_HOSTCC */
+#define ENV_FLAGS_VARACCESS_PREVENT_DELETE		0x00000008
+#define ENV_FLAGS_VARACCESS_PREVENT_CREATE		0x00000010
+#define ENV_FLAGS_VARACCESS_PREVENT_OVERWR		0x00000020
+#define ENV_FLAGS_VARACCESS_PREVENT_NONDEF_OVERWR	0x00000040
+#define ENV_FLAGS_VARACCESS_BIN_MASK			0x00000078
 
 #endif /* __ENV_FLAGS_H__ */