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mt798x: add odhcpd hotplug

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gl-dengxinfa 2023-02-10 09:48:40 +08:00
parent c8b329ba4d
commit fa7f08fa52
1 changed files with 60 additions and 0 deletions
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60
patches-mt798x-7.6.6.1/1010-odhcpd-add-hotplug.patch Normal file
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@ -0,0 +1,60 @@
From ceb0aacfff2e39e837aa737f804e13312fe6c9af Mon Sep 17 00:00:00 2001
From: gl-dengxinfa <xinfa.deng@gl-inet.com>
Date: Fri, 10 Feb 2023 09:44:32 +0800
Subject: [PATCH] odhcpd add hotplug
---
.../patches/00-add-hotplug-for-relay.patch | 41 +++++++++++++++++++
1 file changed, 41 insertions(+)
create mode 100644 package/network/services/odhcpd/patches/00-add-hotplug-for-relay.patch
diff --git a/package/network/services/odhcpd/patches/00-add-hotplug-for-relay.patch b/package/network/services/odhcpd/patches/00-add-hotplug-for-relay.patch
new file mode 100644
index 0000000000..68e5c6bbd7
--- /dev/null
+++ b/package/network/services/odhcpd/patches/00-add-hotplug-for-relay.patch
@@ -0,0 +1,41 @@
+Index: src/ndp.c
+===================================================================
+--- a/src/ndp.c
++++ b/src/ndp.c
+@@ -322,6 +322,21 @@ static void send_na(struct in6_addr *to_
+ odhcpd_send(iface->ndp_ping_fd, &dest, &iov, 1, iface);
+ }
+
++static void call_hotplug(const char *ifname, const char *ip, const char *master_ifname)
++{
++ pid_t pid = fork();
++ if (pid < 0) {
++ perror("fork");
++ return;
++ } else if (pid == 0) {
++ setenv("ADDR", ip, 1);
++ setenv("INTERFACE", ifname, 1);
++ setenv("MASTER", master_ifname, 1);
++ execl("/sbin/hotplug-call", "hotplug-call", "dhcpv6", (char *)NULL);
++ }
++ return;
++}
++
+ /* Handle solicitations */
+ static void handle_solicit(void *addr, void *data, size_t len,
+ struct interface *iface, _unused void *dest)
+@@ -359,8 +374,12 @@ static void handle_solicit(void *addr, v
+
+ avl_for_each_element(&interfaces, c, avl) {
+ if (iface != c && c->ndp == MODE_RELAY &&
+- (ns_is_dad || !c->external))
+- ping6(&req->nd_ns_target, c);
++ (ns_is_dad || !c->external)) {
++ ping6(&req->nd_ns_target, c);
++ if (iface->ra == MODE_RELAY && !strcmp(iface->name, "lan")) {
++ call_hotplug(iface->name, ipbuf, c->name);
++ }
++ }
+ }
+
+ /* Catch global-addressed NS and answer them manually.
--
2.34.1