Return-path: Received: from mail-pa0-f48.google.com ([209.85.220.48]:34089 "EHLO mail-pa0-f48.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750866AbaLPTrw (ORCPT ); Tue, 16 Dec 2014 14:47:52 -0500 Received: by mail-pa0-f48.google.com with SMTP id rd3so14696230pab.7 for ; Tue, 16 Dec 2014 11:47:51 -0800 (PST) MIME-Version: 1.0 In-Reply-To: <549089B9.6040300@lwfinger.net> References: <549089B9.6040300@lwfinger.net> Date: Tue, 16 Dec 2014 20:47:51 +0100 Message-ID: (sfid-20141216_204757_647465_FAC26B1C) Subject: Re: mac80211 USB adapters with 5GHz support and SMA antenna From: Dani Camps To: Larry Finger Cc: linux-wireless@vger.kernel.org Content-Type: text/plain; charset=UTF-8 Sender: linux-wireless-owner@vger.kernel.org List-ID: Hi Larry, Linux drivers for RTL8812AU can be downloaded from here: http://www.edimax.com/edimax/download/download/data/edimax/global/download/for_home/wireless_adapters/wireless_adapters_ac600_dual-band/ew-7811usc However, they are not compatible with mac80211, and in my case I need that support. Cheers Daniel On Tue, Dec 16, 2014 at 8:36 PM, Larry Finger wrote: > On 12/16/2014 01:09 PM, Dani Camps wrote: >> >> Dear all, >> >> I am looking for a Wi-Fi adapter with the following specs: >> >> a) Operates at 5GHz >> b) Supports 802.11n and optionally 802.11ac >> c) USB interface >> d) SMA connector for external antenna(s) >> e) It is supported by mac80211, and supports mesh mode >> >> I have done a survey and found only two devices that meet the previous >> requirements, and they are only 802.11n. Most of the 802.11ac adapters >> that I can find use the RT8812AU chipset, which as far as I know is >> not supported by mac80211. Are there any plans to support this >> chipset? >> >> I am pasting here a list of adapters, and I would appreciate if anyone >> who has experimented with them could provide feedback on whether my >> understanding is correct. >> >> Best Regards >> >> Daniel >> >> LIST OF ADAPTERS: >> ================ >> >> 1) ALFA AWUS051NH 2.4/ 5GHz Dual Band: >> >> link: >> http://www.wifi-antennas.co.uk/alfa-awus051nh-2-4-5ghz-dual-band-300mbps-usb-wifi-dongle-with-rp-sma-antenna-4547.html >> chipset: Ralink RT2870 A/B/G/N >> mac80211 support: YES. rt2800usb. >> http://wireless.kernel.org/en/users/Drivers/rt2800usb#external_links >> mac80211s mesh support: YES. http://wireless.kernel.org/en/users/Drivers >> >> 2) Sveon SNT1022 >> >> link: >> http://sveon.com/tienda/adaptador-lan-wifi-usb-dual-band-doble-antena-rp-sma-snt1022/ >> chipset: Ralink 3572 A/B/G/N >> mac80211 support: YES. rt2800usb. >> http://wireless.kernel.org/en/users/Drivers/rt2800usb >> mac80211s mesh support: YES. http://wireless.kernel.org/en/users/Drivers >> >> >> 3) EDIMAX EW-7811USC >> >> link: >> http://www.edimax.com/edimax/merchandise/merchandise_detail/data/edimax/global/wireless_adapters_ac600_dual-band/ew-7811usc/ >> chipset: Realtek RTL8812AU. AC/A/B/G/N >> mac80211 support: NO. Not supported by rtlwifi. >> http://wireless.kernel.org/en/users/Drivers/rtl819x >> mac8011 mesh support: NO. >> >> 4) ALFA AWUS036HAC 1200 >> >> link: >> http://www.alfanetworkeurope.eu/en/alfa-awus036hac-ac1200-dual-band-ultra-fast-wifi-u.html >> chipset: Realtek RTL8812AU. AC/A/B/G/N. link: >> https://wikidevi.com/wiki/List_of_802.11ac_Hardware >> mac80211 support: NO. >> mac80211s support: NO. >> >> 5) ASUS USB-AC56 >> >> link: http://www.asus.com/de/Networking/USBAC56/ >> chipset: Realtek RTL8812AU. AC/B/G/N. >> https://wikidevi.com/wiki/List_of_802.11ac_Hardware >> mac80211 support: NO. >> mac80211s support: NO. >> >> 6) ABOCOM AU7212 >> >> link: http://www.abocom.com.tw/product.aspx?id=180 >> chipset: Mediatek MT7610U. AC/A/B/G/N >> mac80211 support: NO. >> mac80211s support: NO. >> >> 7) D-LINK DWA-172 >> >> link: http://www.dlink-forum.info/showthread.php?tid=3006 >> chipset: Realtek RTL8812AU. >> mac80211 support: NO. >> mac80211s support: NO. >> >> 8) HAWKING HD65U >> >> link: http://www.newegg.com/Product/Product.aspx?Item=N82E16833164060 >> chipset: Realtek RTL8812AU. >> mac80211 support: NO. >> mac80211s support: NO. > > > In general, the USB group at Realtek does not support mac80211, the way the > PCI group does. The only exception is driver rtl8192cu for the RTL81xxCU > chips, and that driver has received little attention from them since the > original release. I can fix problems in the interface between the hardware > manipulation and Linux, but I have no knowledge of the internals of any of > the Realtek chips. > > As for the RTL8812AU, I have not seen any Linux driver for this chip, but I > doubt that it supports mac80211; however, most of the drivers for the latest > USB chips have supported cfg80211, and will work with the latest hostapd > version. > > It is unfortunate that the USB group at Realtek has taken this stance as I > know of several users that have chosen not to use their chips because of the > incomplete Linux drivers. I assume they have good reasons, but I do not know > what they are. > > Larry >