X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvnet%2Fdhcp%2Fclient.h;h=5191fcf0fa825d2a4c8de7c3877f3648ff666167;hb=038e1dfbd;hp=d15e686b6366107b928287be30cd9585e9bcf912;hpb=7cd468a3d7dee7d6c92f69a0bb7061ae208ec727;p=vpp.git diff --git a/src/vnet/dhcp/client.h b/src/vnet/dhcp/client.h index d15e686b636..5191fcf0fa8 100644 --- a/src/vnet/dhcp/client.h +++ b/src/vnet/dhcp/client.h @@ -19,18 +19,31 @@ #ifndef included_dhcp_client_h #define included_dhcp_client_h +#include +#include + #define foreach_dhcp_client_state \ _(DHCP_DISCOVER) \ _(DHCP_REQUEST) \ _(DHCP_BOUND) -typedef enum { +typedef enum +{ #define _(a) a, foreach_dhcp_client_state #undef _ } dhcp_client_state_t; -typedef struct { +struct dhcp_client_t_; + +/** + * Callback function for DHCP complete events + */ +typedef void (*dhcp_event_cb_t) (u32 client_index, + const struct dhcp_client_t_ * client); + +typedef struct dhcp_client_t_ +{ dhcp_client_state_t state; /* the interface in question */ @@ -47,72 +60,120 @@ typedef struct { u32 transaction_id; /* leased address, other learned info DHCP */ - ip4_address_t leased_address; /* from your_ip_address field */ + ip4_address_t leased_address; /* from your_ip_address field */ ip4_address_t dhcp_server; - u32 subnet_mask_width; /* option 1 */ - ip4_address_t router_address; /* option 3 */ - u32 lease_renewal_interval; /* option 51 */ - u32 lease_lifetime; /* option 59 */ + u32 subnet_mask_width; /* option 1 */ + ip4_address_t router_address; /* option 3 */ + ip4_address_t *domain_server_address; /* option 6 */ + u32 lease_renewal_interval; /* option 51 */ + u32 lease_lifetime; /* option 59 */ /* Requested data (option 55) */ - u8 * option_55_data; - - u8 * l2_rewrite; + u8 *option_55_data; /* hostname and software client identifiers */ - u8 * hostname; - u8 * client_identifier; /* software version, e.g. vpe 1.0*/ + u8 *hostname; + u8 *client_identifier; /* software version, e.g. vpe 1.0 */ /* Information used for event callback */ u32 client_index; u32 pid; - void * event_callback; + + /* Set the broadcast Flag in the Discover/Request messages */ + u8 set_broadcast_flag; + /* Interface MAC address, so we can do an rx-packet-for-us check */ + u8 client_hardware_address[6]; + u8 client_detect_feature_enabled; + + /* the unicast adjacency for the DHCP server */ + adj_index_t ai_ucast; + /* the broadcast adjacency on the link */ + adj_index_t ai_bcast; + /* IP DSCP to set in sent packets */ + ip_dscp_t dscp; + + dhcp_event_cb_t event_callback; } dhcp_client_t; -typedef struct { +typedef struct +{ /* DHCP client pool */ - dhcp_client_t * clients; - uword * client_by_sw_if_index; + dhcp_client_t *clients; + uword *client_by_sw_if_index; u32 seed; /* convenience */ - vlib_main_t * vlib_main; - vnet_main_t * vnet_main; + vlib_main_t *vlib_main; + vnet_main_t *vnet_main; } dhcp_client_main_t; -typedef struct { +typedef struct +{ int is_add; u32 sw_if_index; + u8 set_broadcast_flag; /* vectors, consumed by dhcp client code */ - u8 * hostname; - u8 * client_identifier; + u8 *hostname; + u8 *client_identifier; /* Bytes containing requested option numbers */ - u8 * option_55_data; + u8 *option_55_data; /* Information used for event callback */ u32 client_index; u32 pid; - void * event_callback; + ip_dscp_t dscp; + dhcp_event_cb_t event_callback; } dhcp_client_add_del_args_t; -dhcp_client_main_t dhcp_client_main; +extern dhcp_client_main_t dhcp_client_main; #define EVENT_DHCP_CLIENT_WAKEUP 1 -int dhcp_client_for_us (u32 bi0, - vlib_buffer_t * b0, - ip4_header_t * ip0, - udp_header_t * u0, - dhcp_header_t * dh0); +int dhcp_client_for_us (u32 bi0, + vlib_buffer_t * b0, + ip4_header_t * ip0, + udp_header_t * u0, dhcp_header_t * dh0); + +/** + * Add/Delete DHCP clients + */ +extern int dhcp_client_config (u32 is_add, + u32 client_index, + vlib_main_t * vm, + u32 sw_if_index, + u8 * hostname, + u8 * client_id, + dhcp_event_cb_t event_callback, + u8 set_broadcast_flag, + ip_dscp_t dscp, u32 pid); + +/** + * callback function for clients walking the DHCP client configurations + * + * @param client The client being visitsed + * @param data The data passed during the call to 'walk' + * @return !0 to continue walking 0 to stop. + */ +typedef int (*dhcp_client_walk_cb_t) (const dhcp_client_t * client, + void *data); -int dhcp_client_config (vlib_main_t * vm, - u32 sw_if_index, - u8 * hostname, - u32 is_add, - u32 client_index, - void *event_callback, - u32 pid); +/** + * Walk (visit each) DHCP client configuration + * + * @param cb The callback function invoked as each client is visited + * @param ctx Context data passed back to the client in the invocation of + * the callback. + */ +extern void dhcp_client_walk (dhcp_client_walk_cb_t cb, void *ctx); #endif /* included_dhcp_client_h */ + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: + * eval: (c-set-style "gnu") + * End: + */