If DHCP DISCOVER or DHCP REQUEST is found, reply with DHCP OFFER or DHCP ACK respectively.
Signed-off-by: Asias He <[email protected]> --- tools/kvm/include/kvm/uip.h | 6 ++++++ tools/kvm/net/uip/dhcp.c | 14 ++++++++++++++ 2 files changed, 20 insertions(+), 0 deletions(-) diff --git a/tools/kvm/include/kvm/uip.h b/tools/kvm/include/kvm/uip.h index 7c84dea..6534c7f 100644 --- a/tools/kvm/include/kvm/uip.h +++ b/tools/kvm/include/kvm/uip.h @@ -38,6 +38,12 @@ #define UIP_DHCP_MAGIC_COOKIE 0x63825363 #define UIP_DHCP_MAGIC_COOKIE_LEN 4 #define UIP_DHCP_OPTION_LEN (UIP_DHCP_VENDOR_SPECIFIC_LEN - UIP_DHCP_MAGIC_COOKIE_LEN) +#define UIP_DHCP_DISCOVER 1 +#define UIP_DHCP_OFFER 2 +#define UIP_DHCP_REQUEST 3 +#define UIP_DHCP_ACK 5 +#define UIP_DHCP_TAG_MSG_TYPE 53 +#define UIP_DHCP_TAG_MSG_TYPE_LEN 1 /* * 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 af0407f..0a6293a 100644 --- a/tools/kvm/net/uip/dhcp.c +++ b/tools/kvm/net/uip/dhcp.c @@ -1,5 +1,19 @@ #include "kvm/uip.h" +static inline bool uip_dhcp_is_discovery(struct uip_dhcp *dhcp) +{ + return (dhcp->option[2] == UIP_DHCP_DISCOVER && + dhcp->option[1] == UIP_DHCP_TAG_MSG_TYPE_LEN && + dhcp->option[0] == UIP_DHCP_TAG_MSG_TYPE); +} + +static inline bool uip_dhcp_is_request(struct uip_dhcp *dhcp) +{ + return (dhcp->option[2] == UIP_DHCP_REQUEST && + dhcp->option[1] == UIP_DHCP_TAG_MSG_TYPE_LEN && + dhcp->option[0] == UIP_DHCP_TAG_MSG_TYPE); +} + bool uip_udp_is_dhcp(struct uip_udp *udp) { struct uip_dhcp *dhcp; -- 1.7.5.4 -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
