On 09/02/2022 08:11, D. Wythe wrote: > > There are indirectly limits on smc accept queue with following code. > > + if (sk_acceptq_is_full(&smc->sk)) { > + NET_INC_STATS(sock_net(sk), LINUX_MIB_LISTENOVERFLOWS); > + goto drop; > + } > > > In fact, we treat the connections in smc accept queue as Full establisted connection. As I wrote in patch commits, there are trade-offs to this implemets. > Thanks for the clarification, I got your point. You refer to the call to sk_acceptq_added() in smc_accept_enqueue().