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-rw-r--r--src/vnet/dhcp/client.h179
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diff --git a/src/vnet/dhcp/client.h b/src/vnet/dhcp/client.h
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--- a/src/vnet/dhcp/client.h
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-/*
- * Copyright (c) 2015 Cisco and/or its affiliates.
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at:
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-/*
- * client.h: dhcp client
- */
-
-#ifndef included_dhcp_client_h
-#define included_dhcp_client_h
-
-#include <vnet/ip/ip.h>
-#include <vnet/dhcp/dhcp4_packet.h>
-
-#define foreach_dhcp_client_state \
-_(DHCP_DISCOVER) \
-_(DHCP_REQUEST) \
-_(DHCP_BOUND)
-
-typedef enum
-{
-#define _(a) a,
- foreach_dhcp_client_state
-#undef _
-} dhcp_client_state_t;
-
-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 */
- u32 sw_if_index;
-
- /* State machine retry counter */
- u32 retry_count;
-
- /* Send next pkt at this time */
- f64 next_transmit;
- f64 lease_expires;
-
- /* DHCP transaction ID, a random number */
- u32 transaction_id;
-
- /* leased address, other learned info DHCP */
- 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 */
- 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;
-
- /* hostname and software client identifiers */
- u8 *hostname;
- u8 *client_identifier; /* software version, e.g. vpe 1.0 */
-
- /* Information used for event callback */
- u32 client_index;
- u32 pid;
-
- /* 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
-{
- /* DHCP client pool */
- dhcp_client_t *clients;
- uword *client_by_sw_if_index;
- u32 seed;
-
- /* convenience */
- vlib_main_t *vlib_main;
- vnet_main_t *vnet_main;
-} dhcp_client_main_t;
-
-typedef struct
-{
- int is_add;
- u32 sw_if_index;
- u8 set_broadcast_flag;
-
- /* vectors, consumed by dhcp client code */
- u8 *hostname;
- u8 *client_identifier;
-
- /* Bytes containing requested option numbers */
- u8 *option_55_data;
-
- /* Information used for event callback */
- u32 client_index;
- u32 pid;
- ip_dscp_t dscp;
- dhcp_event_cb_t event_callback;
-} dhcp_client_add_del_args_t;
-
-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);
-
-/**
- * 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);
-
-/**
- * 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:
- */