From mboxrd@z Thu Jan 1 00:00:00 1970 From: Asias He Subject: [PATCH 08/16] kvm tools: Introduce uip_dhcp_make_pkg() Date: Sun, 17 Jul 2011 16:56:56 +0800 Message-ID: <1310893024-21615-9-git-send-email-asias.hejun@gmail.com> References: <1310893024-21615-1-git-send-email-asias.hejun@gmail.com> Cc: Cyrill Gorcunov , Ingo Molnar , Sasha Levin , Prasad Joshi , kvm@vger.kernel.org, Asias He To: Pekka Enberg Return-path: Received: from mail-iy0-f174.google.com ([209.85.210.174]:39735 "EHLO mail-iy0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754024Ab1GQI70 (ORCPT ); Sun, 17 Jul 2011 04:59:26 -0400 Received: by mail-iy0-f174.google.com with SMTP id 12so2303241iyb.19 for ; Sun, 17 Jul 2011 01:59:26 -0700 (PDT) In-Reply-To: <1310893024-21615-1-git-send-email-asias.hejun@gmail.com> Sender: kvm-owner@vger.kernel.org List-ID: This patch cooks a DHCP package. Signed-off-by: Asias He --- tools/kvm/net/uip/dhcp.c | 22 ++++++++++++++++++++++ 1 files changed, 22 insertions(+), 0 deletions(-) diff --git a/tools/kvm/net/uip/dhcp.c b/tools/kvm/net/uip/dhcp.c index 42e354c..612e024 100644 --- a/tools/kvm/net/uip/dhcp.c +++ b/tools/kvm/net/uip/dhcp.c @@ -132,3 +132,25 @@ static int uip_dhcp_fill_option(struct uip_info *info, struct uip_dhcp *dhcp, in return 0; } + +static int uip_dhcp_make_pkg(struct uip_info *info, struct uip_udp_socket *sk, struct uip_buf *buf, u8 reply_msg_type) +{ + struct uip_dhcp *dhcp; + + dhcp = (struct uip_dhcp *)buf->eth; + + dhcp->msg_type = 2; + dhcp->client_ip = 0; + dhcp->your_ip = htonl(info->guest_ip); + dhcp->server_ip = htonl(info->host_ip); + dhcp->agent_ip = 0; + + uip_dhcp_fill_option(info, dhcp, reply_msg_type); + + sk->sip = htonl(info->guest_ip); + sk->dip = htonl(info->host_ip); + sk->sport = htons(UIP_DHCP_PORT_CLIENT); + sk->dport = htons(UIP_DHCP_PORT_SERVER); + + return 0; +} -- 1.7.5.4