gtp-rtnl: add gtp_dev_destroy
This function allows you to destroy the gtpX device.
diff --git a/include/libgtpnl/gtpnl.h b/include/libgtpnl/gtpnl.h
index 1685a17..3c2c624 100644
--- a/include/libgtpnl/gtpnl.h
+++ b/include/libgtpnl/gtpnl.h
@@ -15,6 +15,7 @@
int genl_lookup_family(struct mnl_socket *nl, const char *family);
int gtp_dev_create(const char *ifname);
+int gtp_dev_destroy(const char *ifname);
struct gtp_tunnel;
diff --git a/src/gtp-rtnl.c b/src/gtp-rtnl.c
index 72a2870..48dbdf0 100644
--- a/src/gtp-rtnl.c
+++ b/src/gtp-rtnl.c
@@ -98,3 +98,21 @@
return gtp_dev_talk(nlh, seq);
}
EXPORT_SYMBOL(gtp_dev_create);
+
+int gtp_dev_destroy(const char *ifname)
+{
+ char buf[MNL_SOCKET_BUFFER_SIZE];
+ struct nlmsghdr *nlh;
+ struct ifinfomsg *ifm;
+ unsigned int seq = time(NULL);
+
+ nlh = gtp_put_nlmsg(buf, RTM_DELLINK, NLM_F_ACK, seq);
+ ifm = mnl_nlmsg_put_extra_header(nlh, sizeof(*ifm));
+ ifm->ifi_family = AF_INET;
+ ifm->ifi_change |= IFF_UP;
+ ifm->ifi_flags &= ~IFF_UP;
+ ifm->ifi_index = if_nametoindex(ifname);
+
+ return gtp_dev_talk(nlh, seq);
+}
+EXPORT_SYMBOL(gtp_dev_destroy);
diff --git a/src/libgtpnl.map b/src/libgtpnl.map
index b38785c..326bf17 100644
--- a/src/libgtpnl.map
+++ b/src/libgtpnl.map
@@ -4,7 +4,10 @@
genl_nlmsg_build_hdr;
genl_socket_talk;
genl_lookup_family;
+
gtp_dev_create;
+ gtp_dev_destroy;
+
gtp_add_tunnel;
gtp_del_tunnel;
gtp_list_tunnel;