Date: Tue, 11 Jun 2013 07:05:12 +0000 From: Alex Liptsin <alexl@mellanox.com> To: John Baldwin <jhb@freebsd.org>, "freebsd-net@freebsd.org" <freebsd-net@freebsd.org> Cc: Oded Shanoon <odeds@mellanox.com>, "freebsd-questions@freebsd.org" <freebsd-questions@freebsd.org>, Regev Lev <regevl@mellanox.com> Subject: RE: How to switch Datgram/Connected mtu modes? Message-ID: <64DAB3164E410447932305F50F896D8D6AF6DBCA@MTLDAG01.mtl.com> In-Reply-To: <201305291333.52607.jhb@freebsd.org> References: <64DAB3164E410447932305F50F896D8D6AF651AD@MTLDAG01.mtl.com> <201305291333.52607.jhb@freebsd.org>
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Hi. Yes. There is no such entry. The only way I found is to compile inside the kernel " options IPOIB_CM ". Can I do it manually without compiling the kernel each time I want to switc= h between the modes? Maybe add it somehow to sysctl or loader.conf? =20 Regards, Alex Liptsin Software Quality Assurance Engineer | Mellanox Technologies Ltd. Office: +972 (74) 7236141 Mobile: +972(54) 7833986 Fax: +972(74) 7236161=20 Email: alexl@mellanox.com Mellanox, Tel-Hai Industrial Park. Building 7, M.P. Upper Galilee 12100 Isr= ael -----Original Message----- From: John Baldwin [mailto:jhb@freebsd.org]=20 Sent: Wednesday, May 29, 2013 9:17 PM To: freebsd-net@freebsd.org Cc: Alex Liptsin; freebsd-questions@freebsd.org Subject: Re: How to switch Datgram/Connected mtu modes? On Sunday, May 26, 2013 7:43:29 am Alex Liptsin wrote: > Hello. >=20 > I work with FreeBSD 9.1 and Mellanox devices. >=20 > How can I configure MTU in connected mode on FreeBSD 9.1? > In Linux to enable connected mode for interface ib0, I enter: >=20 > echo connected > /sys/class/net/ib0/mode >=20 >=20 >=20 > Switching between CM and UD mode can be done in run time: >=20 > echo datagram > /sys/class/net/ib0/mode sets the mode of ib0 to UD >=20 > echo connected > /sys/class/net/ib0/mode sets the mode ib0 to CM >=20 > There is no such directories at FreeBSD. Wat shall I do? Have you tried looking for dev.ib.0 sysctls? It looks like the OFED bits i= n FreeBSD map Linux sysfs entries to sysctl nodes, but I don't have a box w= ith IB handy to see what it looks like at runtime. -- John Baldwin
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