src/vnet/bonding/bond_api.c - fdio/vpp - Gitiles

 /*
  *------------------------------------------------------------------
  * bond_api.c - vnet bonding device driver API support
  *
  * Copyright (c) 2017 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.
  *------------------------------------------------------------------
  */

 #include <vnet/vnet.h>
 #include <vlibmemory/api.h>

 #include <vnet/interface.h>
 #include <vnet/api_errno.h>
 #include <vnet/ethernet/ethernet.h>

 #include <vnet/vnet_msg_enum.h>

 #define vl_typedefs		/* define message structures */
 #include <vnet/vnet_all_api_h.h>
 #undef vl_typedefs

 #define vl_endianfun		/* define message structures */
 #include <vnet/vnet_all_api_h.h>
 #undef vl_endianfun

 /* instantiate all the print functions we know about */
 #define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
 #define vl_printfun
 #include <vnet/vnet_all_api_h.h>
 #undef vl_printfun

 #include <vlibapi/api_helper_macros.h>
 #include <vnet/bonding/node.h>

 #define foreach_bond_api_msg                     \
 _(BOND_CREATE, bond_create)                      \
 _(BOND_DELETE, bond_delete)                      \
 _(BOND_ENSLAVE, bond_enslave)                    \
 _(BOND_DETACH_SLAVE, bond_detach_slave)          \
 _(SW_INTERFACE_BOND_DUMP, sw_interface_bond_dump)\
 _(SW_INTERFACE_SLAVE_DUMP, sw_interface_slave_dump)

 static void
 bond_send_sw_interface_event_deleted (vpe_api_main_t * am,
 				      unix_shared_memory_queue_t * q,
 				      u32 sw_if_index)
 {
   vl_api_sw_interface_event_t *mp;

   mp = vl_msg_api_alloc (sizeof (*mp));
   memset (mp, 0, sizeof (*mp));
   mp->_vl_msg_id = ntohs (VL_API_SW_INTERFACE_EVENT);
   mp->sw_if_index = ntohl (sw_if_index);

   mp->admin_up_down = 0;
   mp->link_up_down = 0;
   mp->deleted = 1;
   vl_msg_api_send_shmem (q, (u8 *) & mp);
 }

 static void
 vl_api_bond_delete_t_handler (vl_api_bond_delete_t * mp)
 {
   vlib_main_t *vm = vlib_get_main ();
   int rv;
   vpe_api_main_t *vam = &vpe_api_main;
   vl_api_bond_delete_reply_t *rmp;
   unix_shared_memory_queue_t *q;
   u32 sw_if_index = ntohl (mp->sw_if_index);

   rv = bond_delete_if (vm, sw_if_index);

   q = vl_api_client_index_to_input_queue (mp->client_index);
   if (!q)
     return;

   rmp = vl_msg_api_alloc (sizeof (*rmp));
   rmp->_vl_msg_id = ntohs (VL_API_BOND_DELETE_REPLY);
   rmp->context = mp->context;
   rmp->retval = ntohl (rv);

   vl_msg_api_send_shmem (q, (u8 *) & rmp);

   if (!rv)
     bond_send_sw_interface_event_deleted (vam, q, sw_if_index);
 }

 static void
 vl_api_bond_create_t_handler (vl_api_bond_create_t * mp)
 {
   vlib_main_t *vm = vlib_get_main ();
   vl_api_bond_create_reply_t *rmp;
   unix_shared_memory_queue_t *q;
   bond_create_if_args_t _a, *ap = &_a;

   memset (ap, 0, sizeof (*ap));

   if (mp->use_custom_mac)
     {
       clib_memcpy (ap->hw_addr, mp->mac_address, 6);
       ap->hw_addr_set = 1;
     }

   ap->mode = mp->mode;
   ap->lb = mp->lb;
   bond_create_if (vm, ap);

   q = vl_api_client_index_to_input_queue (mp->client_index);
   if (!q)
     return;

   if (ap->rv != 0)
     return;
   rmp = vl_msg_api_alloc (sizeof (*rmp));
   rmp->_vl_msg_id = ntohs (VL_API_BOND_CREATE_REPLY);
   rmp->context = mp->context;
   rmp->retval = ntohl (ap->rv);
   rmp->sw_if_index = ntohl (ap->sw_if_index);

   vl_msg_api_send_shmem (q, (u8 *) & rmp);
 }

 static void
 vl_api_bond_enslave_t_handler (vl_api_bond_enslave_t * mp)
 {
   vlib_main_t *vm = vlib_get_main ();
   vl_api_bond_enslave_reply_t *rmp;
   unix_shared_memory_queue_t *q;
   bond_enslave_args_t _a, *ap = &_a;

   memset (ap, 0, sizeof (*ap));

   ap->group = ntohl (mp->bond_sw_if_index);
   ap->slave = ntohl (mp->sw_if_index);
   ap->is_passive = mp->is_passive;
   ap->is_long_timeout = mp->is_long_timeout;

   bond_enslave (vm, ap);

   q = vl_api_client_index_to_input_queue (mp->client_index);
   if (!q)
     return;

   rmp = vl_msg_api_alloc (sizeof (*rmp));
   rmp->_vl_msg_id = ntohs (VL_API_BOND_ENSLAVE_REPLY);
   rmp->context = mp->context;
   rmp->retval = ntohl (ap->rv);

   vl_msg_api_send_shmem (q, (u8 *) & rmp);
 }

 static void
 vl_api_bond_detach_slave_t_handler (vl_api_bond_detach_slave_t * mp)
 {
   vlib_main_t *vm = vlib_get_main ();
   vl_api_bond_detach_slave_reply_t *rmp;
   unix_shared_memory_queue_t *q;
   bond_detach_slave_args_t _a, *ap = &_a;

   memset (ap, 0, sizeof (*ap));

   ap->slave = ntohl (mp->sw_if_index);
   bond_detach_slave (vm, ap);

   q = vl_api_client_index_to_input_queue (mp->client_index);
   if (!q)
     return;

   rmp = vl_msg_api_alloc (sizeof (*rmp));
   rmp->_vl_msg_id = ntohs (VL_API_BOND_DETACH_SLAVE_REPLY);
   rmp->context = mp->context;
   rmp->retval = htonl (ap->rv);

   vl_msg_api_send_shmem (q, (u8 *) & rmp);
 }

 static void
 bond_send_sw_interface_details (vpe_api_main_t * am,
 				vl_api_registration_t * reg,
 				bond_interface_details_t * bond_if,
 				u32 context)
 {
   vl_api_sw_interface_bond_details_t *mp;

   mp = vl_msg_api_alloc (sizeof (*mp));
   memset (mp, 0, sizeof (*mp));
   mp->_vl_msg_id = htons (VL_API_SW_INTERFACE_BOND_DETAILS);
   mp->sw_if_index = htonl (bond_if->sw_if_index);
   clib_memcpy (mp->interface_name, bond_if->interface_name,
 	       MIN (ARRAY_LEN (mp->interface_name) - 1,
 		    strlen ((const char *) bond_if->interface_name)));
   mp->mode = bond_if->mode;
   mp->lb = bond_if->lb;
   mp->active_slaves = htonl (bond_if->active_slaves);
   mp->slaves = htonl (bond_if->slaves);

   mp->context = context;
   vl_api_send_msg (reg, (u8 *) mp);
 }

 static void
 vl_api_sw_interface_bond_dump_t_handler (vl_api_sw_interface_bond_dump_t * mp)
 {
   int rv;
   vpe_api_main_t *am = &vpe_api_main;
   vl_api_registration_t *reg;
   bond_interface_details_t *bondifs = NULL;
   bond_interface_details_t *bond_if = NULL;

   reg = vl_api_client_index_to_registration (mp->client_index);
   if (!reg)
     return;

   rv = bond_dump_ifs (&bondifs);
   if (rv)
     return;

   vec_foreach (bond_if, bondifs)
   {
     bond_send_sw_interface_details (am, reg, bond_if, mp->context);
   }

   vec_free (bondifs);
 }

 static void
 bond_send_sw_interface_slave_details (vpe_api_main_t * am,
 				      vl_api_registration_t * reg,
 				      slave_interface_details_t * slave_if,
 				      u32 context)
 {
   vl_api_sw_interface_slave_details_t *mp;

   mp = vl_msg_api_alloc (sizeof (*mp));
   memset (mp, 0, sizeof (*mp));
   mp->_vl_msg_id = htons (VL_API_SW_INTERFACE_SLAVE_DETAILS);
   mp->sw_if_index = htonl (slave_if->sw_if_index);
   clib_memcpy (mp->interface_name, slave_if->interface_name,
 	       MIN (ARRAY_LEN (mp->interface_name) - 1,
 		    strlen ((const char *) slave_if->interface_name)));
   mp->is_passive = slave_if->is_passive;
   mp->is_long_timeout = slave_if->is_long_timeout;

   mp->context = context;
   vl_api_send_msg (reg, (u8 *) mp);
 }

 static void
 vl_api_sw_interface_slave_dump_t_handler (vl_api_sw_interface_slave_dump_t *
 					  mp)
 {
   int rv;
   vpe_api_main_t *am = &vpe_api_main;
   vl_api_registration_t *reg;
   slave_interface_details_t *slaveifs = NULL;
   slave_interface_details_t *slave_if = NULL;

   reg = vl_api_client_index_to_registration (mp->client_index);
   if (!reg)
     return;

   rv = bond_dump_slave_ifs (&slaveifs, ntohl (mp->sw_if_index));
   if (rv)
     return;

   vec_foreach (slave_if, slaveifs)
   {
     bond_send_sw_interface_slave_details (am, reg, slave_if, mp->context);
   }

   vec_free (slaveifs);
 }

 #define vl_msg_name_crc_list
 #include <vnet/vnet_all_api_h.h>
 #undef vl_msg_name_crc_list

 static void
 bond_setup_message_id_table (api_main_t * am)
 {
 #define _(id,n,crc) vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id);
   foreach_vl_msg_name_crc_bond;
 #undef _
 }

 static clib_error_t *
 bond_api_hookup (vlib_main_t * vm)
 {
   api_main_t *am = &api_main;

 #define _(N,n)                                                  \
     vl_msg_api_set_handlers(VL_API_##N, #n,                     \
                            vl_api_##n##_t_handler,              \
                            vl_noop_handler,                     \
                            vl_api_##n##_t_endian,               \
                            vl_api_##n##_t_print,                \
                            sizeof(vl_api_##n##_t), 1);
   foreach_bond_api_msg;
 #undef _

   /*
    * Set up the (msg_name, crc, message-id) table
    */
   bond_setup_message_id_table (am);

   return 0;
 }

 VLIB_API_INIT_FUNCTION (bond_api_hookup);

 /*
  * fd.io coding-style-patch-verification: ON
  *
  * Local Variables:
  * eval: (c-set-style "gnu")
  * End:
  */
	/*
	*------------------------------------------------------------------
	* bond_api.c - vnet bonding device driver API support
	*
	* Copyright (c) 2017 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.
	*------------------------------------------------------------------
	*/

	#include <vnet/vnet.h>
	#include <vlibmemory/api.h>

	#include <vnet/interface.h>
	#include <vnet/api_errno.h>
	#include <vnet/ethernet/ethernet.h>

	#include <vnet/vnet_msg_enum.h>

	#define vl_typedefs /* define message structures */
	#include <vnet/vnet_all_api_h.h>
	#undef vl_typedefs

	#define vl_endianfun /* define message structures */
	#include <vnet/vnet_all_api_h.h>
	#undef vl_endianfun

	/* instantiate all the print functions we know about */
	#define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
	#define vl_printfun
	#include <vnet/vnet_all_api_h.h>
	#undef vl_printfun

	#include <vlibapi/api_helper_macros.h>
	#include <vnet/bonding/node.h>

	#define foreach_bond_api_msg \
	_(BOND_CREATE, bond_create) \
	_(BOND_DELETE, bond_delete) \
	_(BOND_ENSLAVE, bond_enslave) \
	_(BOND_DETACH_SLAVE, bond_detach_slave) \
	_(SW_INTERFACE_BOND_DUMP, sw_interface_bond_dump)\
	_(SW_INTERFACE_SLAVE_DUMP, sw_interface_slave_dump)

	static void
	bond_send_sw_interface_event_deleted (vpe_api_main_t * am,
	unix_shared_memory_queue_t * q,
	u32 sw_if_index)
	{
	vl_api_sw_interface_event_t *mp;

	mp = vl_msg_api_alloc (sizeof (*mp));
	memset (mp, 0, sizeof (*mp));
	mp->_vl_msg_id = ntohs (VL_API_SW_INTERFACE_EVENT);
	mp->sw_if_index = ntohl (sw_if_index);

	mp->admin_up_down = 0;
	mp->link_up_down = 0;
	mp->deleted = 1;
	vl_msg_api_send_shmem (q, (u8 *) & mp);
	}

	static void
	vl_api_bond_delete_t_handler (vl_api_bond_delete_t * mp)
	{
	vlib_main_t *vm = vlib_get_main ();
	int rv;
	vpe_api_main_t *vam = &vpe_api_main;
	vl_api_bond_delete_reply_t *rmp;
	unix_shared_memory_queue_t *q;
	u32 sw_if_index = ntohl (mp->sw_if_index);

	rv = bond_delete_if (vm, sw_if_index);

	q = vl_api_client_index_to_input_queue (mp->client_index);
	if (!q)
	return;

	rmp = vl_msg_api_alloc (sizeof (*rmp));
	rmp->_vl_msg_id = ntohs (VL_API_BOND_DELETE_REPLY);
	rmp->context = mp->context;
	rmp->retval = ntohl (rv);

	vl_msg_api_send_shmem (q, (u8 *) & rmp);

	if (!rv)
	bond_send_sw_interface_event_deleted (vam, q, sw_if_index);
	}

	static void
	vl_api_bond_create_t_handler (vl_api_bond_create_t * mp)
	{
	vlib_main_t *vm = vlib_get_main ();
	vl_api_bond_create_reply_t *rmp;
	unix_shared_memory_queue_t *q;
	bond_create_if_args_t _a, *ap = &_a;

	memset (ap, 0, sizeof (*ap));

	if (mp->use_custom_mac)
	{
	clib_memcpy (ap->hw_addr, mp->mac_address, 6);
	ap->hw_addr_set = 1;
	}

	ap->mode = mp->mode;
	ap->lb = mp->lb;
	bond_create_if (vm, ap);

	q = vl_api_client_index_to_input_queue (mp->client_index);
	if (!q)
	return;

	if (ap->rv != 0)
	return;
	rmp = vl_msg_api_alloc (sizeof (*rmp));
	rmp->_vl_msg_id = ntohs (VL_API_BOND_CREATE_REPLY);
	rmp->context = mp->context;
	rmp->retval = ntohl (ap->rv);
	rmp->sw_if_index = ntohl (ap->sw_if_index);

	vl_msg_api_send_shmem (q, (u8 *) & rmp);
	}

	static void
	vl_api_bond_enslave_t_handler (vl_api_bond_enslave_t * mp)
	{
	vlib_main_t *vm = vlib_get_main ();
	vl_api_bond_enslave_reply_t *rmp;
	unix_shared_memory_queue_t *q;
	bond_enslave_args_t _a, *ap = &_a;

	memset (ap, 0, sizeof (*ap));

	ap->group = ntohl (mp->bond_sw_if_index);
	ap->slave = ntohl (mp->sw_if_index);
	ap->is_passive = mp->is_passive;
	ap->is_long_timeout = mp->is_long_timeout;

	bond_enslave (vm, ap);

	q = vl_api_client_index_to_input_queue (mp->client_index);
	if (!q)
	return;

	rmp = vl_msg_api_alloc (sizeof (*rmp));
	rmp->_vl_msg_id = ntohs (VL_API_BOND_ENSLAVE_REPLY);
	rmp->context = mp->context;
	rmp->retval = ntohl (ap->rv);

	vl_msg_api_send_shmem (q, (u8 *) & rmp);
	}

	static void
	vl_api_bond_detach_slave_t_handler (vl_api_bond_detach_slave_t * mp)
	{
	vlib_main_t *vm = vlib_get_main ();
	vl_api_bond_detach_slave_reply_t *rmp;
	unix_shared_memory_queue_t *q;
	bond_detach_slave_args_t _a, *ap = &_a;

	memset (ap, 0, sizeof (*ap));

	ap->slave = ntohl (mp->sw_if_index);
	bond_detach_slave (vm, ap);

	q = vl_api_client_index_to_input_queue (mp->client_index);
	if (!q)
	return;

	rmp = vl_msg_api_alloc (sizeof (*rmp));
	rmp->_vl_msg_id = ntohs (VL_API_BOND_DETACH_SLAVE_REPLY);
	rmp->context = mp->context;
	rmp->retval = htonl (ap->rv);

	vl_msg_api_send_shmem (q, (u8 *) & rmp);
	}

	static void
	bond_send_sw_interface_details (vpe_api_main_t * am,
	vl_api_registration_t * reg,
	bond_interface_details_t * bond_if,
	u32 context)
	{
	vl_api_sw_interface_bond_details_t *mp;

	mp = vl_msg_api_alloc (sizeof (*mp));
	memset (mp, 0, sizeof (*mp));
	mp->_vl_msg_id = htons (VL_API_SW_INTERFACE_BOND_DETAILS);
	mp->sw_if_index = htonl (bond_if->sw_if_index);
	clib_memcpy (mp->interface_name, bond_if->interface_name,
	MIN (ARRAY_LEN (mp->interface_name) - 1,
	strlen ((const char *) bond_if->interface_name)));
	mp->mode = bond_if->mode;
	mp->lb = bond_if->lb;
	mp->active_slaves = htonl (bond_if->active_slaves);
	mp->slaves = htonl (bond_if->slaves);

	mp->context = context;
	vl_api_send_msg (reg, (u8 *) mp);
	}

	static void
	vl_api_sw_interface_bond_dump_t_handler (vl_api_sw_interface_bond_dump_t * mp)
	{
	int rv;
	vpe_api_main_t *am = &vpe_api_main;
	vl_api_registration_t *reg;
	bond_interface_details_t *bondifs = NULL;
	bond_interface_details_t *bond_if = NULL;

	reg = vl_api_client_index_to_registration (mp->client_index);
	if (!reg)
	return;

	rv = bond_dump_ifs (&bondifs);
	if (rv)
	return;

	vec_foreach (bond_if, bondifs)
	{
	bond_send_sw_interface_details (am, reg, bond_if, mp->context);
	}

	vec_free (bondifs);
	}

	static void
	bond_send_sw_interface_slave_details (vpe_api_main_t * am,
	vl_api_registration_t * reg,
	slave_interface_details_t * slave_if,
	u32 context)
	{
	vl_api_sw_interface_slave_details_t *mp;

	mp = vl_msg_api_alloc (sizeof (*mp));
	memset (mp, 0, sizeof (*mp));
	mp->_vl_msg_id = htons (VL_API_SW_INTERFACE_SLAVE_DETAILS);
	mp->sw_if_index = htonl (slave_if->sw_if_index);
	clib_memcpy (mp->interface_name, slave_if->interface_name,
	MIN (ARRAY_LEN (mp->interface_name) - 1,
	strlen ((const char *) slave_if->interface_name)));
	mp->is_passive = slave_if->is_passive;
	mp->is_long_timeout = slave_if->is_long_timeout;

	mp->context = context;
	vl_api_send_msg (reg, (u8 *) mp);
	}

	static void
	vl_api_sw_interface_slave_dump_t_handler (vl_api_sw_interface_slave_dump_t *
	mp)
	{
	int rv;
	vpe_api_main_t *am = &vpe_api_main;
	vl_api_registration_t *reg;
	slave_interface_details_t *slaveifs = NULL;
	slave_interface_details_t *slave_if = NULL;

	reg = vl_api_client_index_to_registration (mp->client_index);
	if (!reg)
	return;

	rv = bond_dump_slave_ifs (&slaveifs, ntohl (mp->sw_if_index));
	if (rv)
	return;

	vec_foreach (slave_if, slaveifs)
	{
	bond_send_sw_interface_slave_details (am, reg, slave_if, mp->context);
	}

	vec_free (slaveifs);
	}

	#define vl_msg_name_crc_list
	#include <vnet/vnet_all_api_h.h>
	#undef vl_msg_name_crc_list

	static void
	bond_setup_message_id_table (api_main_t * am)
	{
	#define _(id,n,crc) vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id);
	foreach_vl_msg_name_crc_bond;
	#undef _
	}

	static clib_error_t *
	bond_api_hookup (vlib_main_t * vm)
	{
	api_main_t *am = &api_main;

	#define _(N,n) \
	vl_msg_api_set_handlers(VL_API_##N, #n, \
	vl_api_##n##_t_handler, \
	vl_noop_handler, \
	vl_api_##n##_t_endian, \
	vl_api_##n##_t_print, \
	sizeof(vl_api_##n##_t), 1);
	foreach_bond_api_msg;
	#undef _

	/*
	* Set up the (msg_name, crc, message-id) table
	*/
	bond_setup_message_id_table (am);

	return 0;
	}

	VLIB_API_INIT_FUNCTION (bond_api_hookup);

	/*
	* fd.io coding-style-patch-verification: ON
	*
	* Local Variables:
	* eval: (c-set-style "gnu")
	* End:
	*/