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[2620:137:e000::3:2]) by mx.google.com with ESMTPS id t14-20020a170902e84e00b001bb3bcd05bbsi12850559plg.471.2023.10.10.07.33.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 10 Oct 2023 07:33:43 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-wireless-owner@vger.kernel.org designates 2620:137:e000::3:2 as permitted sender) client-ip=2620:137:e000::3:2; Authentication-Results: mx.google.com; dkim=pass header.i=@sipsolutions.net header.s=mail header.b=ksYIKyI2; spf=pass (google.com: domain of linux-wireless-owner@vger.kernel.org designates 2620:137:e000::3:2 as permitted sender) smtp.mailfrom=linux-wireless-owner@vger.kernel.org; dmarc=pass (p=NONE sp=REJECT dis=NONE) header.from=sipsolutions.net Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by agentk.vger.email (Postfix) with ESMTP id 3E9D08041EA5; Tue, 10 Oct 2023 07:33:21 -0700 (PDT) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.10 at agentk.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232981AbjJJOdU (ORCPT + 52 others); Tue, 10 Oct 2023 10:33:20 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51244 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232147AbjJJOdT (ORCPT ); Tue, 10 Oct 2023 10:33:19 -0400 Received: from sipsolutions.net (s3.sipsolutions.net [IPv6:2a01:4f8:242:246e::2]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2CFF891 for ; Tue, 10 Oct 2023 07:33:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sipsolutions.net; s=mail; h=MIME-Version:Content-Transfer-Encoding: Content-Type:References:In-Reply-To:Date:Cc:To:From:Subject:Message-ID:Sender :Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From:Resent-To: Resent-Cc:Resent-Message-ID; bh=LcM0X57ttJM+yZRpA0bdaPmgMfMAgtgXntBWRr1jAQQ=; t=1696948398; x=1698157998; b=ksYIKyI2159aZZd/hZJcORQSx89Wn4cquTRr2IFD5onbo+d y1YYJ4Ua4nFmhHh//WYS91VyxHP0f565wmRcL4vnUUquBTwMtLe3K1V29kmW63y/Sm4uaWhrlLz+D WWjIAjJzzZLlXWv0GnarToHKrqWQqW9MJU+IfruUx0hFExTY35fH3oByW/6Tdnuih24H3+8aWJaS4 k6oBaLQBUAwpKOr+wRB9k/Q8sg74s/bkoxrBiaoXJyESOeFJd5BeeCr47Abuql2rmP4uv7t0PK2br ZDYYs244wXmku9+BOC1GvMRGS7he8D4Y6mcnlvx92nePPPlgyYVYCI0gjafBNmHA==; Received: by sipsolutions.net with esmtpsa (TLS1.3:ECDHE_X25519__RSA_PSS_RSAE_SHA256__AES_256_GCM:256) (Exim 4.97-RC1) (envelope-from ) id 1qqDnO-00000000RuH-2Gzm; Tue, 10 Oct 2023 16:33:14 +0200 Message-ID: <748f5db3e109ea99c6ff83fe04a02dc2d6046a0e.camel@sipsolutions.net> Subject: Re: removing OCB/WAVE/802.11p From: Johannes Berg To: Carlo Augusto Grazia Cc: linux-wireless@vger.kernel.org, Rostislav Lisovy , Bertold Van den Bergh , chrisshen@skku.edu, bienaime@skku.edu, pauljeong@skku.edu Date: Tue, 10 Oct 2023 16:33:13 +0200 In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.48.4 (3.48.4-1.fc38) MIME-Version: 1.0 X-malware-bazaar: not-scanned X-Spam-Status: No, score=2.7 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, RCVD_IN_SBL_CSS,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on agentk.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (agentk.vger.email [0.0.0.0]); Tue, 10 Oct 2023 07:33:21 -0700 (PDT) X-Spam-Level: ** Hi Carlo, Thanks for your response! I'm quoting it fully below for the benefit of the list which dropped your response since it was HTML. On Fri, 2023-09-29 at 16:40 +0200, Carlo Augusto Grazia wrote: > Dear Johannes, > Thank you for this email! > I'm in the "people who use/used" it. :) > I've tested the OCB performance in some scientific papers and used the O= CB mode in > the laboratory part of my course on Automotive Connectivity at the Univer= sity of Modena and Reggio Emilia (Italy). > I'm using it in "low-cost laboratory" mode with Arduino Yuns and a proper= version of LEDE/OpenWRT, indeed, as you said,=C2=A0 > the Yun device mounts ath9k. Right. > I don't know if will be ever implemented a DSRC/WAVE/802.11p mode on Linu= x, allowing low-cost hardware to perform as On Board Unit > for my tests, I'll probably always have to use Codha Wireless devices or = SDR properly configured for doing this... >=20 > I've always tried to see if the OCB on ath9k was going to be ported at le= ast on ath9k_htc, but nothing...so I got your point (maybe), an IBSS code w= ell maintained for more > drivers is better than an OCB code working only for ath9k. >=20 > Also, I've never maintained a driver, so I don't know if I can help, but = I'm really interested in the direction this story will take. OK, fair enough. I was mostly just putting out feelers. Honestly the thing isn't even necessarily maintaining it, but as it stands, I don't even know of any way to _run_ the code, which is a bit sad. Is all the setup that you had very complex? johannes