Date: Wed, 12 Feb 2020 10:26:26 +0100 From: Hans Petter Selasky <hps@selasky.org> To: "Kumar, Anmol" <anmolk@panasas.com>, "freebsd-infiniband@freebsd.org" <freebsd-infiniband@freebsd.org> Subject: Re: DHCP server for freebsd on IPoIB Message-ID: <f4647c23-440b-b6c5-93e7-0e83fce62196@selasky.org> In-Reply-To: <AE58E1E2-70EF-43FC-B3F4-6E2B7FA95645@panasas.com> References: <AE58E1E2-70EF-43FC-B3F4-6E2B7FA95645@panasas.com>
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On 2020-02-11 22:46, Kumar, Anmol wrote: > Hi, > I am trying to make dhcp 4.4.2b1 work on Mellanox Infiniband for IPoIB. > > 1. Seems like , bpf does not have support for IPoIB as family passed in zero so IPoIB driver returns error. > 2. I tried using sockets for DHCP server and send is successful (returning exact number of bytes in packet) but I do not see packet in IPoIB driver. > 3. Able to receive DHCP broadcast request to DHCP server code (user space) > 4. Ping is working fine (statically assign IP address) and seems like issue with DHCP broadcast replies in DHCPOFFER (same code works with Linux) > > Any help will be appreciated . > Hi Kumar, IPoIB is an IP carrier. Doesn't dhcp require an ethernet carrier for the reception of frames via BPF to work? --HPS
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