Initial checkin - renamed the files to avoid clashing with 'lcp' and 'linux-cp' plugin
This commit is contained in:
Pim van Pelt
260
lcpng_if_api.c
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260
lcpng_if_api.c
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/*
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* Copyright 2020 Rubicon Communications, LLC.
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <sys/socket.h>
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#include <linux/if.h>
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#include <vnet/vnet.h>
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#include <vnet/plugin/plugin.h>
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#include <vlibapi/api.h>
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#include <vlibmemory/api.h>
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#include <vpp/app/version.h>
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#include <vnet/format_fns.h>
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#include <lcpng/lcpng_interface.h>
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#include <lcpng/lcpng_if.api_enum.h>
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#include <lcpng/lcpng_if.api_types.h>
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static u16 lcp_msg_id_base;
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#define REPLY_MSG_ID_BASE lcp_msg_id_base
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#include <vlibapi/api_helper_macros.h>
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static lip_host_type_t
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api_decode_host_type (vl_api_lcp_itf_host_type_t type)
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{
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if (type == LCP_API_ITF_HOST_TUN)
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return LCP_ITF_HOST_TUN;
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return LCP_ITF_HOST_TAP;
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}
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static vl_api_lcp_itf_host_type_t
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api_encode_host_type (lip_host_type_t type)
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{
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if (type == LCP_ITF_HOST_TUN)
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return LCP_API_ITF_HOST_TUN;
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return LCP_API_ITF_HOST_TAP;
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}
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static int
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vl_api_lcp_itf_pair_add (u32 phy_sw_if_index, lip_host_type_t lip_host_type,
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u8 *mp_host_if_name, size_t sizeof_host_if_name,
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u8 *mp_namespace, size_t sizeof_mp_namespace,
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u32 *host_sw_if_index_p)
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{
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u8 *host_if_name, *netns;
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int host_len, netns_len, rv;
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host_if_name = netns = 0;
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/* lcp_itf_pair_create expects vec of u8 */
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host_len = clib_strnlen ((char *) mp_host_if_name, sizeof_host_if_name - 1);
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vec_add (host_if_name, mp_host_if_name, host_len);
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vec_add1 (host_if_name, 0);
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netns_len = clib_strnlen ((char *) mp_namespace, sizeof_mp_namespace - 1);
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vec_add (netns, mp_namespace, netns_len);
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vec_add1 (netns, 0);
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rv = lcp_itf_pair_create (phy_sw_if_index, host_if_name, lip_host_type,
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netns, host_sw_if_index_p);
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vec_free (host_if_name);
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vec_free (netns);
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return rv;
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}
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static void
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vl_api_lcp_itf_pair_add_del_t_handler (vl_api_lcp_itf_pair_add_del_t *mp)
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{
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u32 phy_sw_if_index;
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vl_api_lcp_itf_pair_add_del_reply_t *rmp;
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lip_host_type_t lip_host_type;
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int rv;
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if (!vnet_sw_if_index_is_api_valid (mp->sw_if_index))
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{
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rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;
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goto bad_sw_if_index;
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}
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phy_sw_if_index = mp->sw_if_index;
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lip_host_type = api_decode_host_type (mp->host_if_type);
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if (mp->is_add)
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{
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rv =
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vl_api_lcp_itf_pair_add (phy_sw_if_index, lip_host_type,
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mp->host_if_name, sizeof (mp->host_if_name),
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mp->namespace, sizeof (mp->namespace), NULL);
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}
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else
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{
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rv = lcp_itf_pair_delete (phy_sw_if_index);
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}
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BAD_SW_IF_INDEX_LABEL;
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REPLY_MACRO (VL_API_LCP_ITF_PAIR_ADD_DEL_REPLY);
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}
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static void
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vl_api_lcp_itf_pair_add_del_v2_t_handler (vl_api_lcp_itf_pair_add_del_v2_t *mp)
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{
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u32 phy_sw_if_index, host_sw_if_index = ~0;
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vl_api_lcp_itf_pair_add_del_v2_reply_t *rmp;
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lip_host_type_t lip_host_type;
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int rv;
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if (!vnet_sw_if_index_is_api_valid (mp->sw_if_index))
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{
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rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;
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goto bad_sw_if_index;
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}
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phy_sw_if_index = mp->sw_if_index;
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lip_host_type = api_decode_host_type (mp->host_if_type);
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if (mp->is_add)
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{
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rv = vl_api_lcp_itf_pair_add (phy_sw_if_index, lip_host_type,
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mp->host_if_name,
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sizeof (mp->host_if_name), mp->namespace,
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sizeof (mp->namespace), &host_sw_if_index);
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}
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else
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{
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rv = lcp_itf_pair_delete (phy_sw_if_index);
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}
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BAD_SW_IF_INDEX_LABEL;
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REPLY_MACRO2 (VL_API_LCP_ITF_PAIR_ADD_DEL_V2_REPLY,
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{ rmp->host_sw_if_index = ntohl (host_sw_if_index); });
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}
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static void
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send_lcp_itf_pair_details (index_t lipi, vl_api_registration_t *rp,
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u32 context)
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{
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vl_api_lcp_itf_pair_details_t *rmp;
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lcp_itf_pair_t *lcp_pair = lcp_itf_pair_get (lipi);
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REPLY_MACRO_DETAILS4 (
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VL_API_LCP_ITF_PAIR_DETAILS, rp, context, ({
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rmp->phy_sw_if_index = lcp_pair->lip_phy_sw_if_index;
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rmp->host_sw_if_index = lcp_pair->lip_host_sw_if_index;
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rmp->vif_index = lcp_pair->lip_vif_index;
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rmp->host_if_type = api_encode_host_type (lcp_pair->lip_host_type);
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memcpy_s (rmp->host_if_name, sizeof (rmp->host_if_name),
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lcp_pair->lip_host_name, vec_len (lcp_pair->lip_host_name));
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clib_strncpy ((char *) rmp->namespace, (char *) lcp_pair->lip_namespace,
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vec_len (lcp_pair->lip_namespace));
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}));
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}
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static void
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vl_api_lcp_itf_pair_get_t_handler (vl_api_lcp_itf_pair_get_t *mp)
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{
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vl_api_lcp_itf_pair_get_reply_t *rmp;
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i32 rv = 0;
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REPLY_AND_DETAILS_MACRO (
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VL_API_LCP_ITF_PAIR_GET_REPLY, lcp_itf_pair_pool,
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({ send_lcp_itf_pair_details (cursor, rp, mp->context); }));
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}
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static void
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vl_api_lcp_default_ns_set_t_handler (vl_api_lcp_default_ns_set_t *mp)
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{
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vl_api_lcp_default_ns_set_reply_t *rmp;
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int rv;
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mp->namespace[LCP_NS_LEN - 1] = 0;
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rv = lcp_set_default_ns (mp->namespace);
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REPLY_MACRO (VL_API_LCP_DEFAULT_NS_SET_REPLY);
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}
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static void
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vl_api_lcp_default_ns_get_t_handler (vl_api_lcp_default_ns_get_t *mp)
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{
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lcp_main_t *lcpm = &lcp_main;
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vl_api_lcp_default_ns_get_reply_t *rmp;
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vl_api_registration_t *reg;
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char *ns;
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reg = vl_api_client_index_to_registration (mp->client_index);
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if (!reg)
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return;
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rmp = vl_msg_api_alloc (sizeof (*rmp));
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clib_memset (rmp, 0, sizeof (*rmp));
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rmp->_vl_msg_id = (VL_API_LCP_DEFAULT_NS_GET_REPLY + lcpm->msg_id_base);
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rmp->context = mp->context;
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ns = (char *) lcp_get_default_ns ();
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if (ns)
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clib_strncpy ((char *) rmp->namespace, ns, LCP_NS_LEN - 1);
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vl_api_send_msg (reg, (u8 *) rmp);
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}
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static void
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vl_api_lcp_itf_pair_replace_begin_t_handler (
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vl_api_lcp_itf_pair_replace_begin_t *mp)
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{
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vl_api_lcp_itf_pair_replace_begin_reply_t *rmp;
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int rv;
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rv = lcp_itf_pair_replace_begin ();
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REPLY_MACRO (VL_API_LCP_ITF_PAIR_REPLACE_BEGIN_REPLY);
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}
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static void
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vl_api_lcp_itf_pair_replace_end_t_handler (
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vl_api_lcp_itf_pair_replace_end_t *mp)
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{
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vl_api_lcp_itf_pair_replace_end_reply_t *rmp;
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int rv = 0;
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rv = lcp_itf_pair_replace_end ();
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REPLY_MACRO (VL_API_LCP_ITF_PAIR_REPLACE_END_REPLY);
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}
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/*
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* Set up the API message handling tables
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*/
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#include <lcpng/lcpng_if.api.c>
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static clib_error_t *
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lcp_plugin_api_hookup (vlib_main_t *vm)
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{
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/* Ask for a correctly-sized block of API message decode slots */
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lcp_msg_id_base = setup_message_id_table ();
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return (NULL);
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}
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VLIB_INIT_FUNCTION (lcp_plugin_api_hookup);
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#include <vpp/app/version.h>
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VLIB_PLUGIN_REGISTER () = {
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.version = VPP_BUILD_VER,
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.description = "Linux Control Plane - Interface Mirror",
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.default_disabled = 1,
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};
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/*
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* fd.io coding-style-patch-verification: ON
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*
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* Local Variables:
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* eval: (c-set-style "gnu")
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* End:
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*/
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