2 * Copyright 2020 Rubicon Communications, LLC.
4 * SPDX-License-Identifier: Apache-2.0
7 #include <sys/socket.h>
10 #include <vnet/vnet.h>
11 #include <vnet/plugin/plugin.h>
13 #include <vlibapi/api.h>
14 #include <vlibmemory/api.h>
15 #include <vpp/app/version.h>
16 #include <vnet/format_fns.h>
18 #include <linux-cp/lcp_interface.h>
19 #include <linux-cp/lcp.api_enum.h>
20 #include <linux-cp/lcp.api_types.h>
22 static u16 lcp_msg_id_base;
23 #define REPLY_MSG_ID_BASE lcp_msg_id_base
24 #include <vlibapi/api_helper_macros.h>
26 static lip_host_type_t
27 api_decode_host_type (vl_api_lcp_itf_host_type_t type)
29 if (type == LCP_API_ITF_HOST_TUN)
30 return LCP_ITF_HOST_TUN;
32 return LCP_ITF_HOST_TAP;
35 static vl_api_lcp_itf_host_type_t
36 api_encode_host_type (lip_host_type_t type)
38 if (type == LCP_ITF_HOST_TUN)
39 return LCP_API_ITF_HOST_TUN;
41 return LCP_API_ITF_HOST_TAP;
45 lcp_set_auto_intf (u8 is_auto)
47 lcp_main_t *lcpm = &lcp_main;
49 lcpm->auto_intf = (is_auto != 0);
55 lcp_main_t *lcpm = &lcp_main;
57 return lcpm->auto_intf;
61 vl_api_lcp_itf_pair_add_del_t_handler (vl_api_lcp_itf_pair_add_del_t *mp)
64 vl_api_lcp_itf_pair_add_del_reply_t *rmp;
65 lip_host_type_t lip_host_type;
68 if (!vnet_sw_if_index_is_api_valid (mp->sw_if_index))
70 rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;
74 phy_sw_if_index = mp->sw_if_index;
75 lip_host_type = api_decode_host_type (mp->host_if_type);
78 u8 *host_if_name, *netns;
79 int host_len, netns_len;
81 host_if_name = netns = 0;
83 /* lcp_itf_pair_create expects vec of u8 */
84 host_len = clib_strnlen ((char *) mp->host_if_name,
85 sizeof (mp->host_if_name) - 1);
86 vec_add (host_if_name, mp->host_if_name, host_len);
87 vec_add1 (host_if_name, 0);
90 clib_strnlen ((char *) mp->namespace, sizeof (mp->namespace) - 1);
91 vec_add (netns, mp->namespace, netns_len);
94 rv = lcp_itf_pair_create (phy_sw_if_index, host_if_name, lip_host_type,
97 vec_free (host_if_name);
102 rv = lcp_itf_pair_delete (phy_sw_if_index);
105 BAD_SW_IF_INDEX_LABEL;
106 REPLY_MACRO (VL_API_LCP_ITF_PAIR_ADD_DEL_REPLY);
110 send_lcp_itf_pair_details (index_t lipi, vl_api_registration_t *rp,
113 vl_api_lcp_itf_pair_details_t *rmp;
114 lcp_itf_pair_t *lcp_pair = lcp_itf_pair_get (lipi);
116 REPLY_MACRO_DETAILS4 (
117 VL_API_LCP_ITF_PAIR_DETAILS, rp, context, ({
118 rmp->phy_sw_if_index = lcp_pair->lip_phy_sw_if_index;
119 rmp->host_sw_if_index = lcp_pair->lip_host_sw_if_index;
120 rmp->vif_index = lcp_pair->lip_vif_index;
121 rmp->host_if_type = api_encode_host_type (lcp_pair->lip_host_type);
123 clib_strncpy ((char *) rmp->host_if_name,
124 (char *) lcp_pair->lip_host_name,
125 vec_len (lcp_pair->lip_host_name) - 1);
127 clib_strncpy ((char *) rmp->namespace, (char *) lcp_pair->lip_namespace,
128 vec_len (lcp_pair->lip_namespace));
133 vl_api_lcp_itf_pair_get_t_handler (vl_api_lcp_itf_pair_get_t *mp)
135 vl_api_lcp_itf_pair_get_reply_t *rmp;
138 REPLY_AND_DETAILS_MACRO (
139 VL_API_LCP_ITF_PAIR_GET_REPLY, lcp_itf_pair_pool,
140 ({ send_lcp_itf_pair_details (cursor, rp, mp->context); }));
144 vl_api_lcp_default_ns_set_t_handler (vl_api_lcp_default_ns_set_t *mp)
146 vl_api_lcp_default_ns_set_reply_t *rmp;
149 mp->namespace[LCP_NS_LEN - 1] = 0;
150 rv = lcp_set_default_ns (mp->namespace);
152 REPLY_MACRO (VL_API_LCP_DEFAULT_NS_SET_REPLY);
156 vl_api_lcp_default_ns_get_t_handler (vl_api_lcp_default_ns_get_t *mp)
158 lcp_main_t *lcpm = &lcp_main;
159 vl_api_lcp_default_ns_get_reply_t *rmp;
160 vl_api_registration_t *reg;
163 reg = vl_api_client_index_to_registration (mp->client_index);
167 rmp = vl_msg_api_alloc (sizeof (*rmp));
168 clib_memset (rmp, 0, sizeof (*rmp));
169 rmp->_vl_msg_id = (VL_API_LCP_DEFAULT_NS_GET_REPLY + lcpm->msg_id_base);
170 rmp->context = mp->context;
172 ns = (char *) lcp_get_default_ns ();
174 clib_strncpy ((char *) rmp->namespace, ns, LCP_NS_LEN - 1);
176 vl_api_send_msg (reg, (u8 *) rmp);
180 vl_api_lcp_itf_pair_replace_begin_t_handler (
181 vl_api_lcp_itf_pair_replace_begin_t *mp)
183 vl_api_lcp_itf_pair_replace_begin_reply_t *rmp;
186 rv = lcp_itf_pair_replace_begin ();
188 REPLY_MACRO (VL_API_LCP_ITF_PAIR_REPLACE_BEGIN_REPLY);
192 vl_api_lcp_itf_pair_replace_end_t_handler (
193 vl_api_lcp_itf_pair_replace_end_t *mp)
195 vl_api_lcp_itf_pair_replace_end_reply_t *rmp;
198 rv = lcp_itf_pair_replace_end ();
200 REPLY_MACRO (VL_API_LCP_ITF_PAIR_REPLACE_END_REPLY);
204 * Set up the API message handling tables
206 #include <linux-cp/lcp.api.c>
208 static clib_error_t *
209 lcp_plugin_api_hookup (vlib_main_t *vm)
211 /* Ask for a correctly-sized block of API message decode slots */
212 lcp_msg_id_base = setup_message_id_table ();
217 VLIB_INIT_FUNCTION (lcp_plugin_api_hookup);
219 #include <vpp/app/version.h>
220 VLIB_PLUGIN_REGISTER () = {
221 .version = VPP_BUILD_VER,
222 .description = "Linux Control Plane - Interface Mirror",
223 .default_disabled = 1,
227 * fd.io coding-style-patch-verification: ON
230 * eval: (c-set-style "gnu")