UDP-Encap: fix coverity found error - vpp

diff options

author	Neale Ranns <nranns@cisco.com>	2018-09-25 00:30:23 -0700
committer	Neale Ranns <nranns@cisco.com>	2018-09-25 09:35:48 +0000
commit	4cabcff2a447b92fc5b8db8effbb364ff544a637 (patch)
tree	27182c00db6f570df95f503e51758305056bcf14
parent	e8460c742b0e8ca9587dff2e1c1970bf891df583 (diff)

UDP-Encap: fix coverity found error

Change-Id: Idbe5f4d7f37dbe4dbf8d2679c3d816aeaed148d8 Signed-off-by: Neale Ranns <nranns@cisco.com>

Diffstat

-rw-r--r--

src/vnet/udp/udp_api.c

1 files changed, 1 insertions, 0 deletions

/* * 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 <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); /** * The set of addresses/mask that contribute forwarding info * and are installed. */ typedef struct dhcp_client_fwd_addresses_t_ { /** the address assigned to this client and it's mask */ ip4_address_t leased_address; u32 subnet_mask_width; /** the address of the DHCP server handing out the address. this is used to send any unicast messages */ ip4_address_t dhcp_server; /** The address of this client's default gateway - may not be present */ ip4_address_t router_address; } dhcp_client_fwd_addresses_t; 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 * the learned set is updated by new messages recieved in the DP * the installed set is what's actually been added */ dhcp_client_fwd_addresses_t learned; dhcp_client_fwd_addresses_t installed; /* have local Addresses and default route been installed */ u8 addresses_installed; 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: */


context:
space:
mode: