From owner-freebsd-doc@FreeBSD.ORG Mon Mar 4 18:40:01 2013 Return-Path: Delivered-To: freebsd-doc@smarthost.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by hub.freebsd.org (Postfix) with ESMTP id EE31EC71 for ; Mon, 4 Mar 2013 18:40:01 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2001:1900:2254:206c::16:87]) by mx1.freebsd.org (Postfix) with ESMTP id BA741DBD for ; Mon, 4 Mar 2013 18:40:01 +0000 (UTC) Received: from freefall.freebsd.org (localhost [127.0.0.1]) by freefall.freebsd.org (8.14.6/8.14.6) with ESMTP id r24Ie1Kt017203 for ; Mon, 4 Mar 2013 18:40:01 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.14.6/8.14.6/Submit) id r24Ie1kU017202; Mon, 4 Mar 2013 18:40:01 GMT (envelope-from gnats) Resent-Date: Mon, 4 Mar 2013 18:40:01 GMT Resent-Message-Id: <201303041840.r24Ie1kU017202@freefall.freebsd.org> Resent-From: FreeBSD-gnats-submit@FreeBSD.org (GNATS Filer) Resent-To: freebsd-doc@FreeBSD.org Resent-Reply-To: FreeBSD-gnats-submit@FreeBSD.org, Paul Meng Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by hub.freebsd.org (Postfix) with ESMTP id 4DB2CC2B for ; Mon, 4 Mar 2013 18:34:51 +0000 (UTC) (envelope-from nobody@FreeBSD.org) Received: from red.freebsd.org (red.freebsd.org [IPv6:2001:4f8:fff6::22]) by mx1.freebsd.org (Postfix) with ESMTP id 279A4D97 for ; Mon, 4 Mar 2013 18:34:51 +0000 (UTC) Received: from red.freebsd.org (localhost [127.0.0.1]) by red.freebsd.org (8.14.5/8.14.5) with ESMTP id r24IYo68055130 for ; Mon, 4 Mar 2013 18:34:50 GMT (envelope-from nobody@red.freebsd.org) Received: (from nobody@localhost) by red.freebsd.org (8.14.5/8.14.5/Submit) id r24IYoW1055129; Mon, 4 Mar 2013 18:34:50 GMT (envelope-from nobody) Message-Id: <201303041834.r24IYoW1055129@red.freebsd.org> Date: Mon, 4 Mar 2013 18:34:50 GMT From: Paul Meng To: freebsd-gnats-submit@FreeBSD.org X-Send-Pr-Version: www-3.1 Subject: docs/176645: The example in man page netmap is wrong X-BeenThere: freebsd-doc@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Documentation project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 04 Mar 2013 18:40:02 -0000 >Number: 176645 >Category: docs >Synopsis: The example in man page netmap is wrong >Confidential: no >Severity: non-critical >Priority: low >Responsible: freebsd-doc >State: open >Quarter: >Keywords: >Date-Required: >Class: doc-bug >Submitter-Id: current-users >Arrival-Date: Mon Mar 04 18:40:01 UTC 2013 >Closed-Date: >Last-Modified: >Originator: Paul Meng >Release: 9.1 >Organization: >Environment: FreeBSD bsd9 9.1-RELEASE FreeBSD 9.1-RELEASE #0 r243825: Tue Dec 4 09:23:10 UTC 2012 root@farrell.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC amd64 >Description: The example in man page netmap is wrong. Struct netmap_request can not be found, 'buf_index' is not a member of struct netmap_ring, etc. #include #include struct netmap_if *nifp; struct netmap_ring *ring; struct netmap_request nmr; fd = open("/dev/netmap", O_RDWR); bzero(&nmr, sizeof(nmr)); strcpy(nmr.nm_name, "ix0"); ioctl(fd, NIOCREG, &nmr); p = mmap(0, nmr.memsize, fd); nifp = NETMAP_IF(p, nmr.offset); ring = NETMAP_TXRING(nifp, 0); fds.fd = fd; fds.events = POLLOUT; for (;;) { poll(list, 1, -1); while (ring->avail-- > 0) { i = ring->cur; buf = NETMAP_BUF(ring, ring->slot[i].buf_index); ... prepare packet in buf ... ring->slot[i].len = ... packet length ... ring->cur = NETMAP_RING_NEXT(ring, i); } } >How-To-Repeat: man netmap >Fix: delete this example from the man page or copy from http://info.iet.unipi.it/~luigi/netmap/. >Release-Note: >Audit-Trail: >Unformatted: