net: Make CMD_NET a menuconfig

Previously, CMD_NET was an alias for 2 commands (bootp and tftpboot) and
they we not able to be disabled. Separate out those 2 commands and move
CMD_NET up to the menu level, which more accurately represents the code.

Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>

Reviewed-by: Chris Packham <judge.packham@gmail.com>
Reviewed-by: Duncan Hare <dh@synoia.com>

cmd/Kconfig

@@ -1021,25 +1021,35 @@ config CMD_SETEXPR
 
 endmenu
 
-menu "Network commands"
-
 if NET
 
-config CMD_NET
-	bool "bootp, tftpboot"
+menuconfig CMD_NET
+	bool "Network commands"
+	default y
+
+if CMD_NET
+
+config CMD_BOOTP
+	bool "bootp"
 	default y
 	help
-	  Network commands.
 	  bootp - boot image via network using BOOTP/TFTP protocol
+
+config CMD_TFTPBOOT
+	bool "tftpboot"
+	default y
+	help
 	  tftpboot - boot image via network using TFTP protocol
 
 config CMD_TFTPPUT
 	bool "tftp put"
+	depends on CMD_TFTPBOOT
 	help
 	  TFTP put command, for uploading files to a server
 
 config CMD_TFTPSRV
 	bool "tftpsrv"
+	depends on CMD_TFTPBOOT
 	help
 	  Act as a TFTP server and boot the first received file
 
@@ -1050,13 +1060,12 @@ config CMD_RARP
 
 config CMD_DHCP
 	bool "dhcp"
-	depends on CMD_NET
+	depends on CMD_BOOTP
 	help
 	  Boot image via network using DHCP/TFTP protocol
 
 config CMD_PXE
 	bool "pxe"
-	depends on CMD_NET
 	select MENU
 	help
 	  Boot image via network using PXE protocol
@@ -1107,7 +1116,7 @@ config CMD_ETHSW
 
 endif
 
-endmenu
+endif
 
 menu "Misc commands"
 

cmd/net.c

@@ -14,6 +14,7 @@
 
 static int netboot_common(enum proto_t, cmd_tbl_t *, int, char * const []);
 
+#ifdef CONFIG_CMD_BOOTP
 static int do_bootp(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 {
 	return netboot_common(BOOTP, cmdtp, argc, argv);
@@ -24,7 +25,9 @@ U_BOOT_CMD(
 	"boot image via network using BOOTP/TFTP protocol",
 	"[loadAddress] [[hostIPaddr:]bootfilename]"
 );
+#endif
 
+#ifdef CONFIG_CMD_TFTPBOOT
 int do_tftpb(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 {
 	int ret;
@@ -40,6 +43,7 @@ U_BOOT_CMD(
 	"boot image via network using TFTP protocol",
 	"[loadAddress] [[hostIPaddr:]bootfilename]"
 );
+#endif
 
 #ifdef CONFIG_CMD_TFTPPUT
 static int do_tftpput(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])