Date: Mon, 25 Sep 2006 09:34:45 -0700 From: Maksim Yevmenkin <maksim.yevmenkin@savvis.net> To: Borja Marcos <borjamar@sarenet.es> Cc: hackers@freebsd.org Subject: Re: network stack problem in sparc64? Message-ID: <45180525.3060309@savvis.net> In-Reply-To: <7591D6A9-27EE-4ADE-AF09-84F8636ADD98@sarenet.es> References: <7591D6A9-27EE-4ADE-AF09-84F8636ADD98@sarenet.es>
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Borja Marcos wrote:
> Hello,
>
> I saw this some time ago but always forgot to report it.
>
> I'm running a pair of machines with FreeBSD/sparc64 (various versions,
> one of them is running -STABLE now), and I've seen a problem with the
> network stack.
>
> Looking at buffer and window sizes,
>
> earendil# sysctl net.inet.tcp|fgrep space
> net.inet.tcp.sendspace: 0
> net.inet.tcp.recvspace: 0
>
> earendil# sysctl net.inet.udp
> net.inet.udp.checksum: 1
> net.inet.udp.maxdgram: 0
> net.inet.udp.recvspace: 0
>
> When I try to modify them, it doesn't work at all. For example, trying
> to run nfcapd/nfsen in a sparc64 box, I get an error for a setsockopt()
> call
>
> earendil# /usr/local/etc/rc.d/nfsen start
> Starting nfsenStarting nfcpad: upstream1setsockopt(SO_RCVBUF,200000):
> Invalid argument
> Terminated due to errors.
> nfcapd exec error: exit: 255, signal: 0, coredump: 0
>
>
> For x86 machines the values are correctly reported and they work as
> expected.
>
> I have been poking Google for this but I haven't seen any mention of this.
hmmm... how about this (untested) patch?
--- tcp_usrreq.c.orig Fri Nov 4 12:26:14 2005
+++ tcp_usrreq.c Mon Sep 25 09:31:42 2006
@@ -1161,10 +1161,10 @@
* sizes, respectively. These are obsolescent (this information should
* be set by the route).
*/
-u_long tcp_sendspace = 1024*32;
+int tcp_sendspace = 1024*32;
SYSCTL_INT(_net_inet_tcp, TCPCTL_SENDSPACE, sendspace, CTLFLAG_RW,
&tcp_sendspace , 0, "Maximum outgoing TCP datagram size");
-u_long tcp_recvspace = 1024*64;
+int tcp_recvspace = 1024*64;
SYSCTL_INT(_net_inet_tcp, TCPCTL_RECVSPACE, recvspace, CTLFLAG_RW,
&tcp_recvspace , 0, "Maximum incoming TCP datagram size");
--- udp_usrreq.c.orig Wed Sep 13 11:19:26 2006
+++ udp_usrreq.c Mon Sep 25 09:32:00 2006
@@ -923,12 +923,12 @@
return (error);
}
-u_long udp_sendspace = 9216; /* really max datagram size */
+int udp_sendspace = 9216; /* really max datagram size */
/* 40 1K datagrams */
SYSCTL_INT(_net_inet_udp, UDPCTL_MAXDGRAM, maxdgram, CTLFLAG_RW,
&udp_sendspace, 0, "Maximum outgoing UDP datagram size");
-u_long udp_recvspace = 40 * (1024 +
+int udp_recvspace = 40 * (1024 +
#ifdef INET6
sizeof(struct sockaddr_in6)
#else
thanks,
max
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