Domain name and DNS server IP address are filled.
Signed-off-by: Asias He <asias.hejun@xxxxxxxxx>
---
tools/kvm/include/kvm/uip.h | 4 ++++
tools/kvm/net/uip/dhcp.c | 27 +++++++++++++++++++++++++++
2 files changed, 31 insertions(+), 0 deletions(-)
diff --git a/tools/kvm/include/kvm/uip.h b/tools/kvm/include/kvm/uip.h
index e645d3f..2586583 100644
--- a/tools/kvm/include/kvm/uip.h
+++ b/tools/kvm/include/kvm/uip.h
@@ -46,6 +46,10 @@
#define UIP_DHCP_MAX_DOMAIN_NAME_LEN 256
#define UIP_DHCP_TAG_MSG_TYPE 53
#define UIP_DHCP_TAG_MSG_TYPE_LEN 1
+#define UIP_DHCP_TAG_DNS_SERVER 6
+#define UIP_DHCP_TAG_DNS_SERVER_LEN 4
+#define UIP_DHCP_TAG_DOMAIN_NAME 15
+
/*
* IP package maxium len == 64 KBytes
* IP header == 20 Bytes
diff --git a/tools/kvm/net/uip/dhcp.c b/tools/kvm/net/uip/dhcp.c
index 9321cdc..79ddd00 100644
--- a/tools/kvm/net/uip/dhcp.c
+++ b/tools/kvm/net/uip/dhcp.c
@@ -63,3 +63,30 @@ out:
fclose(fp);
return ret;
}
+
+static int uip_dhcp_fill_option_name_and_server(struct uip_info *info, u8 *opt, int i)
+{
+ u8 domain_name_len;
+ u32 *addr;
+ int n;
+
+ if (info->domain_name) {
+ domain_name_len = strlen(info->domain_name);
+ opt[i++] = UIP_DHCP_TAG_DOMAIN_NAME;
+ opt[i++] = domain_name_len;
+ memcpy(&opt[i], info->domain_name, domain_name_len);
+ i += domain_name_len;
+ }
+
+ for (n = 0; n < UIP_DHCP_MAX_DNS_SERVER_NR; n++) {
+ if (info->dns_ip[n] == 0)
+ continue;
+ opt[i++] = UIP_DHCP_TAG_DNS_SERVER;
+ opt[i++] = UIP_DHCP_TAG_DNS_SERVER_LEN;
+ addr = (u32 *)&opt[i];
+ *addr = htonl(info->dns_ip[n]);
+ i += UIP_DHCP_TAG_DNS_SERVER_LEN;
+ }
+
+ return i;
+}
--
1.7.5.4
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