openwrt/package/network/utils/iproute2/patches/170-ip_tiny.patch

--- a/ip/Makefile
+++ b/ip/Makefile
@@ -17,6 +17,13 @@ RTMONOBJ=rtmon.o
 
 include ../config.mk
 
+STATIC_SYM_FILTER:=
+ifeq ($(IP_CONFIG_TINY),y)
+  STATIC_SYM_FILTER:=iplink_can.c iplink_ipoib.c iplink_vxlan.c
+  CFLAGS += -DIPROUTE2_TINY
+endif
+STATIC_SYM_SOURCES:=$(filter-out $(STATIC_SYM_FILTER),$(wildcard *.c))
+
 ALLOBJ=$(IPOBJ) $(RTMONOBJ)
 SCRIPTS=ifcfg rtpr routel routef
 TARGETS=ip rtmon
@@ -46,7 +53,7 @@ else
 
 ip: static-syms.o
 static-syms.o: static-syms.h
-static-syms.h: $(wildcard *.c)
+static-syms.h: $(STATIC_SYM_SOURCES)
 	files="$^" ; \
 	for s in `grep -B 3 '\<dlsym' $$files | sed -n '/snprintf/{s:.*"\([^"]*\)".*:\1:;s:%s::;p}'` ; do \
 		sed -n '/'$$s'[^ ]* =/{s:.* \([^ ]*'$$s'[^ ]*\) .*:extern char \1[] __attribute__((weak)); if (!strcmp(sym, "\1")) return \1;:;p}' $$files ; \
--- a/ip/ip.c
+++ b/ip/ip.c
@@ -64,10 +64,16 @@ static void usage(void)
 	fprintf(stderr,
 		"Usage: ip [ OPTIONS ] OBJECT { COMMAND | help }\n"
 		"       ip [ -force ] -batch filename\n"
+#ifndef IPROUTE2_TINY
 		"where  OBJECT := { link | address | addrlabel | route | rule | neigh | ntable |\n"
 		"                   tunnel | tuntap | maddress | mroute | mrule | monitor | xfrm |\n"
 		"                   netns | l2tp | fou | macsec | tcp_metrics | token | netconf | ila |\n"
 		"                   vrf | sr | nexthop | mptcp }\n"
+#else
+		"where  OBJECT := { link | address | route | rule | neigh | tunnel | maddress |\n"
+		"                   mroute | mrule | monitor | netns | macsec | token | ila |\n"
+		"                   vrf | sr }\n"
+#endif
 		"       OPTIONS := { -V[ersion] | -s[tatistics] | -d[etails] | -r[esolve] |\n"
 		"                    -h[uman-readable] | -iec | -j[son] | -p[retty] |\n"
 		"                    -f[amily] { inet | inet6 | mpls | bridge | link } |\n"
@@ -90,36 +96,50 @@ static const struct cmd {
 	int (*func)(int argc, char **argv);
 } cmds[] = {
 	{ "address",	do_ipaddr },
+#ifndef IPROUTE2_TINY
 	{ "addrlabel",	do_ipaddrlabel },
+#endif
 	{ "maddress",	do_multiaddr },
 	{ "route",	do_iproute },
 	{ "rule",	do_iprule },
 	{ "neighbor",	do_ipneigh },
 	{ "neighbour",	do_ipneigh },
+#ifndef IPROUTE2_TINY
 	{ "ntable",	do_ipntable },
 	{ "ntbl",	do_ipntable },
+#endif
 	{ "link",	do_iplink },
+#ifndef IPROUTE2_TINY
 	{ "l2tp",	do_ipl2tp },
 	{ "fou",	do_ipfou },
+#endif
 	{ "ila",	do_ipila },
 	{ "macsec",	do_ipmacsec },
 	{ "tunnel",	do_iptunnel },
 	{ "tunl",	do_iptunnel },
+#ifndef IPROUTE2_TINY
 	{ "tuntap",	do_iptuntap },
 	{ "tap",	do_iptuntap },
 	{ "token",	do_iptoken },
 	{ "tcpmetrics",	do_tcp_metrics },
 	{ "tcp_metrics", do_tcp_metrics },
+#endif
 	{ "monitor",	do_ipmonitor },
+#ifndef IPROUTE2_TINY
 	{ "xfrm",	do_xfrm },
+#endif
 	{ "mroute",	do_multiroute },
 	{ "mrule",	do_multirule },
 	{ "netns",	do_netns },
+#ifndef IPROUTE2_TINY
 	{ "netconf",	do_ipnetconf },
+#endif
 	{ "vrf",	do_ipvrf},
 	{ "sr",		do_seg6 },
+#ifndef IPROUTE2_TINY
 	{ "nexthop",	do_ipnh },
 	{ "mptcp",	do_mptcp },
+#endif
 	{ "help",	do_help },
 	{ 0 }
 };
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -3,6 +3,10 @@ include ../config.mk
 
 CFLAGS += $(FPIC)
 
+ifeq ($(IP_CONFIG_TINY),y)
+  CFLAGS += -DIPROUTE2_TINY
+endif
+
 UTILOBJ = utils.o utils_math.o rt_names.o ll_map.o ll_types.o ll_proto.o ll_addr.o \
 	inet_proto.o namespace.o json_writer.o json_print.o json_print_math.o \
 	names.o color.o bpf_legacy.o bpf_glue.o exec.o fs.o cg_map.o