Date: Wed, 19 Nov 2003 13:14:21 -0800 (PST) From: John Polstra <jdp@polstra.com> To: "Crist J. Clark" <cjc@freebsd.org> Cc: net@freebsd.org Subject: RE: netgraph(3) NGM_KSOCKET_BIND Message-ID: <XFMail.20031119131421.jdp@polstra.com> In-Reply-To: <20031119070745.GE10828@blossom.cjclark.org>
next in thread | previous in thread | raw e-mail | index | archive | help
On 19-Nov-2003 Crist J. Clark wrote: > OK, an easy one. I am trying to do some netgraph(3) coding in > userland. From how I read the documentation, this should work. Before > I go learn all of the netraph(4) kernel code to understand the error > message, could someone tell me how this is supposed to look? I'm sure > it's something obvious that I have missed. > > The attached test program returns, > > # ./ngtest > ngtest: failed to bind ksocket: Invalid argument [...] > bzero(&laddr, sizeof laddr); > laddr.sin_family = AF_INET; > laddr.sin_addr.s_addr = INADDR_ANY; > laddr.sin_port = htons(DEFAULT_PORT); > if (NgSendMsg(cs, OUR_HOOK_CTL, NGM_KSOCKET_COOKIE, NGM_KSOCKET_BIND, > &laddr, sizeof laddr) == -1) > err(errno, "failed to bind ksocket"); I think the problem might be that you forgot to set the "sin_len" member of the sockaddr_in struct. I don't see anything else glaringly wrong. John
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?XFMail.20031119131421.jdp>