From owner-freebsd-net@freebsd.org Tue May 30 18:30:22 2017 Return-Path: Delivered-To: freebsd-net@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 1129CBD3167 for ; Tue, 30 May 2017 18:30:22 +0000 (UTC) (envelope-from nparhar@gmail.com) Received: from mail-pf0-x231.google.com (mail-pf0-x231.google.com [IPv6:2607:f8b0:400e:c00::231]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id CDE9474634 for ; Tue, 30 May 2017 18:30:21 +0000 (UTC) (envelope-from nparhar@gmail.com) Received: by mail-pf0-x231.google.com with SMTP id m17so79577274pfg.3 for ; Tue, 30 May 2017 11:30:21 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=wYmWECTy3gQglXemIXDnOB77PlINCVEExvKLnU2Qyzw=; b=eEcvOdIEcsjvi+w8OUUITnEEYdyDCheiNPRWeIGztC2JW7TSvzt0XpBYQJgtrUFyX5 EnA/srJd5Vs0msuUDg0x/MoV9/bk/IwjxlNOlcL5YM6iFc+mcdOjgqxMMmI7WU8X1chP Q7OHiVDXwjCx9/qFOvLKrFnMuY2ePTlNgOWwOrUsCy+753IHTJmSAB2ond5j1qtxUV55 718lEs4LJIZJIm5cwIeHPt8Lw/acm8ztWzqmJi4+5m6Fa+DO1G4CoJRPNTd7niNluJ03 njDyH4MBYKbeeS/Y09BmLbDaiDGjWowrqzgaBeiYQkPD1J3aBLC2dwXLjGBzBQJyaaWn RQ9Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=wYmWECTy3gQglXemIXDnOB77PlINCVEExvKLnU2Qyzw=; b=flj0PHmX/LksiviRhPDe9wimg3eA7KXkyz1M2DahLbC+oRF7EIEyLLK358EF/vtqHM nh3iZZ3QgAKTupdAyHW1ustiGriZb+uEgD/Eoactgq7n0VJc/yp9djblLhNSD5cJGH+M 6Ir4TkEoFowq60tq5hTpvPaQZtNqvdgSHxVHhsDvcXh1u5u5xB5ykwbnRlpO+ZXO9faO 9J0i9i6HrUlEY8pFtcAsxpEzuNt6zv5NoDXKV8HMWTvy6LSsbBkQzVzeSsLl5lyY7+3U NdZIrk8R9+0Oy8cxbh9Xzc4ebvpCs818vk8jzlMuIABMuomnBqZ74dM+1rLUUcZkNtnJ tB1A== X-Gm-Message-State: AODbwcC74gU92fhqpca+UlEMGi+i2m/t85EXKfiPkaJfiGHsiMRSuJfZ zpHgQkYZjUm1ttsdcnFmEb3Yy/T3Kg== X-Received: by 10.99.127.73 with SMTP id p9mr27501146pgn.169.1496169021375; Tue, 30 May 2017 11:30:21 -0700 (PDT) MIME-Version: 1.0 Received: by 10.100.185.75 with HTTP; Tue, 30 May 2017 11:30:20 -0700 (PDT) In-Reply-To: <592DB1CE.8000801@omnilan.de> References: <592DB1CE.8000801@omnilan.de> From: Navdeep Parhar Date: Tue, 30 May 2017 11:30:20 -0700 Message-ID: Subject: Re: tools/netmap/pkt-gen: clang error To: Harry Schmalzbauer Cc: "freebsd-net@freebsd.org" Content-Type: text/plain; charset="UTF-8" X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 30 May 2017 18:30:22 -0000 You can suppress the warning with something like this: # cd /usr/src/tools/tools/netmap # WARNS=2 make Regards, Navdeep On Tue, May 30, 2017 at 10:54 AM, Harry Schmalzbauer wrote: > Hello, > > after merging netmap code from head I can't compile pkt-gen from > usr/src/tools/tools/netmap: > cc -O2 -pipe -Werror -Wall -Wextra -march=ivybridge -g -std=gnu99 > -fstack-protector-strong -Qunused-arguments -Qunused-arguments > -std=gnu99 -fstack-protector-strong -Qunused-arguments > -Qunused-arguments -c pkt-gen.c -o pkt-gen.o > pkt-gen.c:650:19: error: taking address of packed member 'ip' of class > or structure 'pkt' may result in an unaligned pointer value > [-Werror,-Waddress-of-packed-member] > struct ip *ip = &pkt->ip; > ^~~~~~~ > pkt-gen.c:651:24: error: taking address of packed member 'udp' of class > or structure 'pkt' may result in an unaligned pointer value > [-Werror,-Waddress-of-packed-member] > struct udphdr *udp = &pkt->udp; > ^~~~~~~~ > pkt-gen.c:745:8: error: taking address of packed member 'ip' of class or > structure 'pkt' may result in an unaligned pointer value > [-Werror,-Waddress-of-packed-member] > ip = &pkt->ip; > ^~~~~~~ > pkt-gen.c:762:9: error: taking address of packed member 'udp' of class > or structure 'pkt' may result in an unaligned pointer value > [-Werror,-Waddress-of-packed-member] > udp = &pkt->udp; > > Quick hints highly appreciated. > > Thanks, > > -harry > _______________________________________________ > freebsd-net@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-net > To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org"