diff mbox

[08/16] kvm tools: Introduce uip_dhcp_make_pkg()

Message ID 1310893024-21615-9-git-send-email-asias.hejun@gmail.com (mailing list archive)
State New, archived
Headers show

Commit Message

Asias He July 17, 2011, 8:56 a.m. UTC 
This patch cooks a DHCP package.

Signed-off-by: Asias He <asias.hejun@gmail.com>
---
 tools/kvm/net/uip/dhcp.c |   22 ++++++++++++++++++++++
 1 files changed, 22 insertions(+), 0 deletions(-)
diff mbox

Patch

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;
+}