Supplying a callback function without setting NLM_F_ACK results in no ACKs to be sent by the kernel and thus the callback will never be called. --- ell/netlink.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/ell/netlink.c b/ell/netlink.c index f2d1baf..d247173 100644 --- a/ell/netlink.c +++ b/ell/netlink.c @@ -399,6 +399,9 @@ LIB_EXPORT unsigned int l_netlink_send(struct l_netlink *netlink, if (flags & 0xff) return 0; + if (function) + flags |= NLM_F_ACK; + size = NLMSG_ALIGN(sizeof(struct command)) + NLMSG_HDRLEN + NLMSG_ALIGN(len); -- 1.9.1