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path: root/src/libsystemd/sd-rtnl/rtnl-message.c
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Diffstat (limited to 'src/libsystemd/sd-rtnl/rtnl-message.c')
-rw-r--r--src/libsystemd/sd-rtnl/rtnl-message.c34
1 files changed, 34 insertions, 0 deletions
diff --git a/src/libsystemd/sd-rtnl/rtnl-message.c b/src/libsystemd/sd-rtnl/rtnl-message.c
index af8f8cf762..d55c3673a3 100644
--- a/src/libsystemd/sd-rtnl/rtnl-message.c
+++ b/src/libsystemd/sd-rtnl/rtnl-message.c
@@ -404,6 +404,40 @@ int sd_rtnl_message_append_string(sd_rtnl_message *m, unsigned short type, const
return 0;
}
+int sd_rtnl_message_append_u16(sd_rtnl_message *m, unsigned short type, uint16_t data) {
+ uint16_t rtm_type;
+ int r;
+
+ assert_return(m, -EINVAL);
+
+ r = sd_rtnl_message_get_type(m, &rtm_type);
+ if (r < 0)
+ return r;
+
+ /* check that the type is correct */
+ switch (rtm_type) {
+ case RTM_NEWLINK:
+ case RTM_SETLINK:
+ case RTM_GETLINK:
+ case RTM_DELLINK:
+ switch (type) {
+ case IFLA_VLAN_ID:
+ break;
+ default:
+ return -ENOTSUP;
+ }
+ break;
+ default:
+ return -ENOTSUP;
+ }
+
+ r = add_rtattr(m, type, &data, sizeof(uint16_t));
+ if (r < 0)
+ return r;
+
+ return 0;
+}
+
int sd_rtnl_message_append_u32(sd_rtnl_message *m, unsigned short type, uint32_t data) {
uint16_t rtm_type;
int r;