Re: [Aoetools-discuss] Problem with self built AoE Server
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From: Philip K. <phi...@so...> - 2008-09-11 16:25:15
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Ed Cashin schrieb: > On Thu, Sep 11, 2008 at 05:15:50PM +0200, Philip Kirchhoff wrote: >> Hello, >> >> I built an AoE Server on an FPGA and a have problem with the Linux >> driver. Although my NIC supports jumboframes and I have inreased the mtu >> value, the driver does not send or request more than 2 sectors in a >> message. With the aoe-exercise tool I can set the packetsize manually >> and it works without any problems. >> Does the driver use any other information than the mtu value to set the >> packetsize, maybe any values that my server sends? > > The aoe driver also uses as a lower bound the smallest MTU of the > local interfaces that can reach the target, and it also takes the > "Sector Count" field of the AoE config query response into account. > Do you mean the "Buffer Count" value? But this value doesn't tell anything about the packet size, does it? Its the number of messages the server can queue. |