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

[Asias He]

This patch cooks a DHCP package.

Signed-off-by: Asias He <asias.he...@gmail.com>
---
 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

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