> -----Original Message----- > From: David Miller [mailto:davem@xxxxxxxxxxxxx] > Sent: Wednesday, November 12, 2014 3:04 PM > To: Haiyang Zhang > Cc: netdev@xxxxxxxxxxxxxxx; KY Srinivasan; olaf@xxxxxxxxx; > jasowang@xxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; driverdev- > devel@xxxxxxxxxxxxxxxxxxxxxx > Subject: Re: [PATCH net-next] hyperv: Add processing of MTU reduced by > the host > > From: Haiyang Zhang <haiyangz@xxxxxxxxxxxxx> > Date: Wed, 12 Nov 2014 20:02:11 +0000 > > > The Hyper-V host doesn't support MTU below 1500. If we try setting MTU > to a > > value < 1500, the host will use 1500 automatically and return 1500 in > the > > RNDIS_OID_GEN_MAXIMUM_FRAME_SIZE query and guest will also use it. > That's > > why I set the lower limit to ETH_DATA_LEN. > > > > Are you suggesting that we keep the 68 as the lower limit, and let the > host > > auto-reset it to 1500 when we trying to set an MTU < 1500? > > Then you need to add a comment, because without any information or > context that change looks wrong. I will add a comment. Thanks, - Haiyang _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel