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-rw-r--r--package/utils/busybox/patches/300-ip-addr-improvements.patch73
1 files changed, 73 insertions, 0 deletions
diff --git a/package/utils/busybox/patches/300-ip-addr-improvements.patch b/package/utils/busybox/patches/300-ip-addr-improvements.patch
new file mode 100644
index 0000000000..ba1bcd1137
--- /dev/null
+++ b/package/utils/busybox/patches/300-ip-addr-improvements.patch
@@ -0,0 +1,73 @@
+From 6a7cd3d4aba493c0b0d00155b1e09a867db437cf Mon Sep 17 00:00:00 2001
+From: Michael Tokarev <mjt@tls.msk.ru>
+Date: Wed, 20 May 2015 16:27:44 +0300
+Subject: [PATCH] ip addr: support change and replace commands
+
+Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
+Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
+---
+ networking/ip.c | 2 +-
+ networking/libiproute/ipaddress.c | 20 ++++++++++++--------
+ 2 files changed, 13 insertions(+), 9 deletions(-)
+
+--- a/networking/ip.c
++++ b/networking/ip.c
+@@ -33,7 +33,7 @@
+ //usage: "{ {add|del} IFADDR dev STRING | {show|flush}\n"
+ //usage: " [dev STRING] [to PREFIX] }"
+ //usage:#define ipaddr_full_usage "\n\n"
+-//usage: "ipaddr {add|delete} IFADDR dev STRING\n"
++//usage: "ipaddr {add|change|replace|delete} IFADDR dev STRING\n"
+ //usage: "ipaddr {show|flush} [dev STRING] [scope SCOPE-ID]\n"
+ //usage: " [to PREFIX] [label PATTERN]\n"
+ //usage: " IFADDR := PREFIX | ADDR peer PREFIX\n"
+--- a/networking/libiproute/ipaddress.c
++++ b/networking/libiproute/ipaddress.c
+@@ -598,7 +598,7 @@ static int default_scope(inet_prefix *lc
+ }
+
+ /* Return value becomes exitcode. It's okay to not return at all */
+-static int ipaddr_modify(int cmd, char **argv)
++static int ipaddr_modify(int cmd, int flags, char **argv)
+ {
+ static const char option[] ALIGN1 =
+ "peer\0""remote\0""broadcast\0""brd\0"
+@@ -622,7 +622,7 @@ static int ipaddr_modify(int cmd, char *
+ memset(&req, 0, sizeof(req));
+
+ req.n.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifaddrmsg));
+- req.n.nlmsg_flags = NLM_F_REQUEST;
++ req.n.nlmsg_flags = NLM_F_REQUEST | flags;
+ req.n.nlmsg_type = cmd;
+ req.ifa.ifa_family = preferred_family;
+
+@@ -749,16 +749,24 @@ static int ipaddr_modify(int cmd, char *
+ int FAST_FUNC do_ipaddr(char **argv)
+ {
+ static const char commands[] ALIGN1 =
+- "add\0""delete\0""list\0""show\0""lst\0""flush\0";
++ /* 0 1 2 3 4 5 6 7 8 */
++ "add\0""change\0""chg\0""replace\0""delete\0""list\0""show\0""lst\0""flush\0";
+ int cmd = 2;
+ if (*argv) {
+ cmd = index_in_substrings(commands, *argv);
+ if (cmd < 0)
+ invarg(*argv, applet_name);
+ argv++;
+- if (cmd <= 1)
+- return ipaddr_modify((cmd == 0) ? RTM_NEWADDR : RTM_DELADDR, argv);
++ if (cmd <= 4) {
++ return ipaddr_modify(
++ /*cmd:*/ cmd == 4 ? RTM_DELADDR : RTM_NEWADDR,
++ /*flags:*/
++ cmd == 0 ? NLM_F_CREATE|NLM_F_EXCL : /* add */
++ cmd == 1 || cmd == 2 ? NLM_F_REPLACE : /* change */
++ cmd == 3 ? NLM_F_CREATE|NLM_F_REPLACE : /* replace */
++ 0 /* delete */
++ , argv);
++ }
+ }
+- /* 2 == list, 3 == show, 4 == lst */
+- return ipaddr_list_or_flush(argv, cmd == 5);
++ return ipaddr_list_or_flush(argv, cmd == 8);
+ }