Date: Wed, 5 Jun 2013 08:40:37 -0500 From: Jim Thompson <jim@netgate.com> To: Ivan Voras <ivoras@freebsd.org> Cc: "freebsd-net@freebsd.org" <freebsd-net@freebsd.org> Subject: Re: netmap on wireless NIC Message-ID: <580124BA-5EAA-4EE2-8BAA-7317E4BB521D@netgate.com> In-Reply-To: <konc6q$udf$1@ger.gmane.org> References: <CAKZq%2BrfJNRpvigA=4OXfvjhHm35XNJRpAk4ONHNudeG-sr=3YQ@mail.gmail.com> <konc6q$udf$1@ger.gmane.org>
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On Jun 5, 2013, at 7:50 AM, Ivan Voras <ivoras@freebsd.org> wrote: > On 04/06/2013 23:06, Chao Xu wrote: >> Hello, >> >> Is it possible to hacking some wireless NIC driver (carl9170 for example) >> to enable netmap on it? I guess this is possible because wireless drivers >> also manage packets using ring buffers. My goal is to access the raw >> packets as quickly as possible, not to achieve high data rate. Is there any >> argument against doing so? Thank you. > > Would using netmap on a wireless NIC make sense at all? There is no way that current wifi technologies could achieve the PPS rates at which you would need netmap, and there already are other ways (e.g. pcap) to > access raw packets. 802.11ad and 8 antenna 802.11ac could pass 7gbps, in theory.
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