Date: Sun, 29 Jan 2012 13:49:24 +0100 From: Stefan Bethke <stb@lassitu.de> To: Aleksandr Rybalko <ray@ddteam.net> Cc: Juli Mallett <jmallett@FreeBSD.org>, FreeBSD Net <freebsd-net@freebsd.org>, Adrian Chadd <adrian@freebsd.org>, Aleksandr Rybalko <ray@freebsd.org>, FreeBSD-arch <freebsd-arch@freebsd.org> Subject: Re: Ethernet Switch Framework Message-ID: <5DD20168-B908-4737-9983-3570E2BF32D3@lassitu.de> In-Reply-To: <20120129144413.a8045873.ray@ddteam.net> References: <20120120221319.ca8b631f.ray@freebsd.org> <30A45A1E-CA13-4AC8-86FB-F8E06301D1F6@lassitu.de> <20120122195130.360261ce.ray@freebsd.org> <CAJ-VmokTh2q0ZH=kwU6GzJm5Mr4k7geJiFsoX_A9hcLhMZNxsg@mail.gmail.com> <0E31FEC4-963D-4AC8-9AB7-EE6D6D7F86EE@lassitu.de> <CAJ-Vmo=GRKRf%2BYsFqNm9d_T3Tq583uV_pabMV6ozuaytSRLivg@mail.gmail.com> <20120129001251.7e4cfe83.ray@ddteam.net> <CACVs6=-U9rr7cpeJ%2BVUgP3Xq1yRB=Xk1GjuzEOuXiEUoqGFq_Q@mail.gmail.com> <045BA867-B83B-4C2E-AB4F-4D09E49B7F3D@lassitu.de> <20120129144413.a8045873.ray@ddteam.net>
next in thread | previous in thread | raw e-mail | index | archive | help
Am 29.01.2012 um 13:44 schrieb Aleksandr Rybalko: >> The MII connection between the ethernet controller and the switch >> chip (usually referred to as the "CPU" port) is hard-coded and has no >> media settings, so there's no question what if_media settings should >> be presented on the interface. > > Most switches (AR8x16 for example) have configurable MII port, so you > can choose to use MII/RMII/GMII/RGMII. If you decide to use MII > media can not be higher than 100baseTX. So it is possible to use some > auto-negotiation here. The point is that the admin has no need to change it, it's hard coded in the driver or statically configured via hints. And for all of this discussion, I'm using MII as a synonym for all xMII busses. Stefan -- Stefan Bethke <stb@lassitu.de> Fon +49 151 14070811
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?5DD20168-B908-4737-9983-3570E2BF32D3>