1/*
2 *------------------------------------------------------------------
3 * lacp_api.c - lacp api
4 *
5 * Copyright (c) 2017 Cisco and/or its affiliates.
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at:
9 *
10 *     http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 *------------------------------------------------------------------
18 */
19
20#include <vlib/vlib.h>
21#include <vnet/ethernet/ethernet.h>
22#include <vlib/unix/unix.h>
23#include <lacp/node.h>
24
25#include <vlibapi/api.h>
26#include <vlibmemory/api.h>
27
28
29/* define message IDs */
30#include <vnet/format_fns.h>
31#include <lacp/lacp.api_enum.h>
32#include <lacp/lacp.api_types.h>
33
34#define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
35
36/* Macro to finish up custom dump fns */
37#define FINISH                                  \
38    vec_add1 (s, 0);                            \
39    vl_print (handle, (char *)s);               \
40    vec_free (s);                               \
41    return handle;
42
43#define REPLY_MSG_ID_BASE lm->msg_id_base
44#include <vlibapi/api_helper_macros.h>
45
46static void
47lacp_send_sw_interface_details (vl_api_registration_t * reg,
48				lacp_interface_details_t * lacp_if,
49				u32 context)
50{
51  lacp_main_t *lm = &lacp_main;
52  vl_api_sw_interface_lacp_details_t *mp;
53
54  mp = vl_msg_api_alloc (sizeof (*mp));
55  clib_memset (mp, 0, sizeof (*mp));
56  mp->_vl_msg_id = htons (VL_API_SW_INTERFACE_LACP_DETAILS + lm->msg_id_base);
57  mp->sw_if_index = htonl (lacp_if->sw_if_index);
58
59  /* These fields in network order already */
60  mp->actor_system_priority = lacp_if->actor_system_priority;
61  mp->actor_key = lacp_if->actor_key;
62  mp->actor_port_priority = lacp_if->actor_port_priority;
63  mp->actor_port_number = lacp_if->actor_port_number;
64  mp->actor_state = lacp_if->actor_state;
65  clib_memcpy (mp->actor_system, lacp_if->actor_system, 6);
66  mp->partner_system_priority = lacp_if->partner_system_priority;
67  mp->partner_key = lacp_if->partner_key;
68  mp->partner_port_priority = lacp_if->partner_port_priority;
69  mp->partner_port_number = lacp_if->partner_port_number;
70  mp->partner_state = lacp_if->partner_state;
71
72  clib_memcpy (mp->partner_system, lacp_if->partner_system, 6);
73  clib_memcpy (mp->interface_name, lacp_if->interface_name,
74	       MIN (ARRAY_LEN (mp->interface_name) - 1,
75		    strlen ((const char *) lacp_if->interface_name)));
76  clib_memcpy (mp->bond_interface_name, lacp_if->bond_interface_name,
77	       MIN (ARRAY_LEN (mp->bond_interface_name) - 1,
78		    strlen ((const char *) lacp_if->bond_interface_name)));
79  mp->rx_state = htonl (lacp_if->rx_state);
80  mp->tx_state = htonl (lacp_if->tx_state);
81  mp->mux_state = htonl (lacp_if->mux_state);
82  mp->ptx_state = htonl (lacp_if->ptx_state);
83
84  mp->context = context;
85  vl_api_send_msg (reg, (u8 *) mp);
86}
87
88/**
89 * @brief Message handler for lacp_dump API.
90 * @param mp vl_api_lacp_dump_t * mp the api message
91 */
92void
93vl_api_sw_interface_lacp_dump_t_handler (vl_api_sw_interface_lacp_dump_t * mp)
94{
95  int rv;
96  vl_api_registration_t *reg;
97  lacp_interface_details_t *lacpifs = NULL;
98  lacp_interface_details_t *lacp_if = NULL;
99
100  reg = vl_api_client_index_to_registration (mp->client_index);
101  if (!reg)
102    return;
103
104  rv = lacp_dump_ifs (&lacpifs);
105  if (rv)
106    return;
107
108  vec_foreach (lacp_if, lacpifs)
109  {
110    lacp_send_sw_interface_details (reg, lacp_if, mp->context);
111  }
112
113  vec_free (lacpifs);
114}
115
116/* Set up the API message handling tables */
117#include <lacp/lacp.api.c>
118clib_error_t *
119lacp_plugin_api_hookup (vlib_main_t * vm)
120{
121  lacp_main_t *lm = &lacp_main;
122  api_main_t *am = vlibapi_get_main ();
123
124  /* Ask for a correctly-sized block of API message decode slots */
125  lm->msg_id_base = setup_message_id_table ();
126
127  /* Mark these APIs as mp safe */
128  am->is_mp_safe[VL_API_SW_INTERFACE_LACP_DUMP] = 1;
129  am->is_mp_safe[VL_API_SW_INTERFACE_LACP_DETAILS] = 1;
130
131  return 0;
132}
133
134/*
135 * fd.io coding-style-patch-verification: ON
136 *
137 * Local Variables:
138 * eval: (c-set-style "gnu")
139 * End:
140 */
141