On Mon, 2007-09-10 at 11:42 -0700, Rick Jones wrote: > I've been digging around to see about inducing /proc/net/tcp to show > some "interesting" things for listen sockets (eg backlog depth, its max, > and dropped connection requests).
backlog depth(acceptq length) for a listening socket should be available with the newer kernels. The following patch exports this value via the rx_queue field in /proc/net/tcp. http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=47da8ee681d04e68ca1b1812c10e28162150d453 > While there I've noticed that both > tcp_v[46]_syn_recv_sock and tcp_v[46]conn_request both check that the > listen queue is full, but only tcp_v[46]_syn_recv_sock increments some > mib stats for dropped connection requests. > > Is that deliberate, or is that a hole in the stats? looks like it is a hole in the stats. I think we should increment LISTENOVERFLOWS or LISTENDROPS in tcp_v[46]_conn_request too if the SYN is dropped. Thanks Sridhar - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
