From patchwork Thu Apr 16 18:02:10 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Daniel M. Weeks" X-Patchwork-Id: 1271851 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 4936gB6bv7z9sWb for ; Fri, 17 Apr 2020 04:09:10 +1000 (AEST) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=rpi.edu Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 4936g93qqnzDrhf for ; Fri, 17 Apr 2020 04:09:09 +1000 (AEST) X-Original-To: petitboot@lists.ozlabs.org Delivered-To: petitboot@lists.ozlabs.org Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=rpi.edu (client-ip=128.113.2.230; helo=smtp10.server.rpi.edu; envelope-from=weeksd2@rpi.edu; receiver=) Authentication-Results: lists.ozlabs.org; dmarc=pass (p=none dis=none) header.from=rpi.edu Received: from smtp10.server.rpi.edu (smtp10.server.rpi.edu [128.113.2.230]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4936WG2ZLLzDsM2 for ; Fri, 17 Apr 2020 04:02:17 +1000 (AEST) Received: from smtp-auth1.server.rpi.edu (route.canit.rpi.edu [128.113.2.231]) by smtp10.server.rpi.edu (8.14.4/8.14.4/Debian-8+deb8u2) with ESMTP id 03GI2Crn097452 (version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT) for ; Thu, 16 Apr 2020 14:02:12 -0400 Received: from smtp-auth1.server.rpi.edu (localhost [127.0.0.1]) by smtp-auth1.server.rpi.edu (Postfix) with ESMTP id 33A23580B6 for ; Thu, 16 Apr 2020 14:02:12 -0400 (EDT) Received: from dev.danweeks.net (cpe-74-70-107-6.nycap.res.rr.com [74.70.107.6]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) (Authenticated sender: weeksd2) by smtp-auth1.server.rpi.edu (Postfix) with ESMTPSA id 14AC7580B5 for ; Thu, 16 Apr 2020 14:02:12 -0400 (EDT) Date: Thu, 16 Apr 2020 14:02:10 -0400 From: "Daniel M. Weeks" To: petitboot@lists.ozlabs.org Subject: [PATCH 2/5] New function to append raw hardware addr to string Message-ID: References: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: X-Virus-Scanned: ClamAV using ClamSMTP X-Bayes-Prob: 0.0001 (Score 0, tokens from: outgoing, @@RPTN) X-Spam-Score: 0.00 () [Hold at 10.10] X-CanIt-Incident-Id: 032ru2cNg X-CanIt-Geo: ip=74.70.107.6; country=US; region=New York; city=Troy; latitude=42.7273; longitude=-73.6696; http://maps.google.com/maps?q=42.7273,-73.6696&z=6 X-CanItPRO-Stream: outgoing X-Canit-Stats-ID: Bayes signature not available X-Scanned-By: CanIt (www . roaringpenguin . com) on 128.113.2.230 X-BeenThere: petitboot@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Petitboot bootloader development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: petitboot-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org Sender: "Petitboot" It may be necessary to append a raw hardware address to another string. For example, the defacto standard for identifying hosts during DHCP over IB involves appending the IB adapter GUID to a particular prefix. Signed-off-by: Daniel M. Weeks --- discover/network.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/discover/network.c b/discover/network.c index ad7eced..bb76109 100644 --- a/discover/network.c +++ b/discover/network.c @@ -72,6 +72,13 @@ struct network { bool dry_run; }; +static void append_hwaddr_str(uint8_t *hwaddr, size_t hwaddr_len, char *dest) +{ + size_t i; + for (i = 0; i < hwaddr_len; i++) + sprintf(dest + (i * 2), "%02x", hwaddr[i]); +} + static char *mac_bytes_to_string(void *ctx, uint8_t *addr, int len) { const int l = strlen("xx:");