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/*
*------------------------------------------------------------------
* flow_api.c - flow api
*
* Copyright (c) 2020 Intel 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 <stddef.h>
#include <vnet/vnet.h>
#include <vlibmemory/api.h>
#include <vnet/interface.h>
#include <vnet/api_errno.h>
#include <vnet/flow/flow.h>
#include <vnet/fib/fib_table.h>
#include <vnet/udp/udp_local.h>
#include <vnet/tunnel/tunnel_types_api.h>
#include <vnet/ip/ip_types_api.h>
#include <vnet/vnet_msg_enum.h>
#include <vnet/format_fns.h>
#include <vnet/flow/flow.api_enum.h>
#include <vnet/flow/flow.api_types.h>
#define REPLY_MSG_ID_BASE flow_main.msg_id_base
#include <vlibapi/api_helper_macros.h>
static inline void
ipv4_addr_and_mask_convert (vl_api_ip4_address_and_mask_t * vl_api_addr,
ip4_address_and_mask_t * vnet_addr)
{
clib_memcpy (vnet_addr, vl_api_addr, sizeof (*vnet_addr));
}
static inline void
ipv6_addr_and_mask_convert (vl_api_ip6_address_and_mask_t * vl_api_addr,
ip6_address_and_mask_t * vnet_addr)
{
clib_memcpy (vnet_addr, vl_api_addr, sizeof (*vnet_addr));
}
static inline void
protocol_and_mask_convert (vl_api_ip_prot_and_mask_t * vl_api_protocol,
ip_prot_and_mask_t * vnet_protocol)
{
vnet_protocol->prot = (ip_protocol_t) vl_api_protocol->prot;
vnet_protocol->mask = vl_api_protocol->mask;
}
static inline void
port_and_mask_convert (vl_api_ip_port_and_mask_t * vl_api_port,
ip_port_and_mask_t * vnet_port)
{
vnet_port->port = ntohs (vl_api_port->port);
vnet_port->mask = ntohs (vl_api_port->mask);
}
static inline void
ipv4_flow_convert (vl_api_flow_ip4_t *vl_api_flow, vnet_flow_ip4_t *f)
{
ipv4_addr_and_mask_convert (&vl_api_flow->src_addr, &f->src_addr);
ipv4_addr_and_mask_convert (&vl_api_flow->dst_addr, &f->dst_addr);
protocol_and_mask_convert (&vl_api_flow->protocol, &f->protocol);
}
static void
ipv6_flow_convert (vl_api_flow_ip6_t *vl_api_flow, vnet_flow_ip6_t *f)
{
ipv6_addr_and_mask_convert (&vl_api_flow->src_addr, &f->src_addr);
ipv6_addr_and_mask_convert (&vl_api_flow->dst_addr, &f->dst_addr);
protocol_and_mask_convert (&vl_api_flow->protocol, &f->protocol);
}
static inline void
ipv4_n_tuple_flow_convert (vl_api_flow_ip4_n_tuple_t * vl_api_flow,
vnet_flow_ip4_n_tuple_t * f)
{
ipv4_addr_and_mask_convert (&vl_api_flow->src_addr, &f->src_addr);
ipv4_addr_and_mask_convert (&vl_api_flow->dst_addr, &f->dst_addr);
protocol_and_mask_convert (&vl_api_flow->protocol, &f->protocol);
port_and_mask_convert (&vl_api_flow->src_port, &f->src_port);
port_and_mask_convert (&vl_api_flow->dst_port, &f->dst_port);
}
static void
ipv6_n_tuple_flow_convert (vl_api_flow_ip6_n_tuple_t * vl_api_flow,
vnet_flow_ip6_n_tuple_t * f)
{
ipv6_addr_and_mask_convert (&vl_api_flow->src_addr, &f->src_addr);
ipv6_addr_and_mask_convert (&vl_api_flow->dst_addr, &f->dst_addr);
protocol_and_mask_convert (&vl_api_flow->protocol, &f->protocol);
port_and_mask_convert (&vl_api_flow->src_port, &f->src_port);
port_and_mask_convert (&vl_api_flow->dst_port, &f->dst_port);
}
static inline void
ipv4_n_tuple_tagged_flow_convert (vl_api_flow_ip4_n_tuple_tagged_t *
vl_api_flow,
vnet_flow_ip4_n_tuple_tagged_t * f)
{
return ipv4_n_tuple_flow_convert ((vl_api_flow_ip4_n_tuple_t *) vl_api_flow,
(vnet_flow_ip4_n_tuple_t *) f);
}
static inline void
ipv6_n_tuple_tagged_flow_convert (vl_api_flow_ip6_n_tuple_tagged_t *
vl_api_flow,
vnet_flow_ip6_n_tuple_tagged_t * f)
{
return ipv6_n_tuple_flow_convert ((vl_api_flow_ip6_n_tuple_t *) vl_api_flow,
(vnet_flow_ip6_n_tuple_t *) f);
}
static inline void
ipv4_l2tpv3oip_flow_convert (vl_api_flow_ip4_l2tpv3oip_t * vl_api_flow,
vnet_flow_ip4_l2tpv3oip_t * f)
{
ipv4_addr_and_mask_convert (&vl_api_flow->src_addr, &f->src_addr);
ipv4_addr_and_mask_convert (&vl_api_flow->dst_addr, &f->dst_addr);
protocol_and_mask_convert (&vl_api_flow->protocol, &f->protocol);
f->session_id = ntohl (vl_api_flow->session_id);
}
static inline void
ipv4_ipsec_esp_flow_convert (vl_api_flow_ip4_ipsec_esp_t * vl_api_flow,
vnet_flow_ip4_ipsec_esp_t * f)
{
ipv4_addr_and_mask_convert (&vl_api_flow->src_addr, &f->src_addr);
ipv4_addr_and_mask_convert (&vl_api_flow->dst_addr, &f->dst_addr);
protocol_and_mask_convert (&vl_api_flow->protocol, &f->protocol);
f->spi = ntohl (vl_api_flow->spi);
}
static inline void
ipv4_ipsec_ah_flow_convert (vl_api_flow_ip4_ipsec_ah_t * vl_api_flow,
vnet_flow_ip4_ipsec_ah_t * f)
{
ipv4_addr_and_mask_convert (&vl_api_flow->src_addr, &f->src_addr);
ipv4_addr_and_mask_convert (&vl_api_flow->dst_addr, &f->dst_addr);
protocol_and_mask_convert (&vl_api_flow->protocol, &f->protocol);
f->spi = ntohl (vl_api_flow->spi);
}
static inline void
ipv4_vxlan_flow_convert (vl_api_flow_ip4_vxlan_t *vl_api_flow,
vnet_flow_ip4_vxlan_t *f)
{
ipv4_addr_and_mask_convert (&vl_api_flow->src_addr, &f->src_addr);
ipv4_addr_and_mask_convert (&vl_api_flow->dst_addr, &f->dst_addr);
protocol_and_mask_convert (&vl_api_flow->protocol, &f->protocol);
port_and_mask_convert (&vl_api_flow->src_port, &f->src_port);
port_and_mask_convert (&vl_api_flow->dst_port, &f->dst_port);
f->vni = ntohl (vl_api_flow->vni);
}
static inline void
ipv6_vxlan_flow_convert (vl_api_flow_ip6_vxlan_t *vl_api_flow,
vnet_flow_ip6_vxlan_t *f)
{
ipv6_addr_and_mask_convert (&vl_api_flow->src_addr, &f->src_addr);
ipv6_addr_and_mask_convert (&vl_api_flow->dst_addr, &f->dst_addr);
protocol_and_mask_convert (&vl_api_flow->protocol, &f->protocol);
port_and_mask_convert (&vl_api_flow->src_port, &f->src_port);
port_and_mask_convert (&vl_api_flow->dst_port, &f->dst_port);
f->vni = ntohl (vl_api_flow->vni);
}
static inline void
ipv4_gtpu_flow_convert (vl_api_flow_ip4_gtpu_t * vl_api_flow,
vnet_flow_ip4_gtpu_t * f)
{
ipv4_addr_and_mask_convert (&vl_api_flow->src_addr, &f->src_addr);
ipv4_addr_and_mask_convert (&vl_api_flow->dst_addr, &f->dst_addr);
port_and_mask_convert (&vl_api_flow->src_port, &f->src_port);
port_and_mask_convert (&vl_api_flow->dst_port, &f->dst_port);
protocol_and_mask_convert (&vl_api_flow->protocol, &f->protocol);
f->teid = ntohl (vl_api_flow->teid);
}
static inline void
ipv4_gtpc_flow_convert (vl_api_flow_ip4_gtpc_t * vl_api_flow,
vnet_flow_ip4_gtpc_t * f)
{
ipv4_addr_and_mask_convert (&vl_api_flow->src_addr, &f->src_addr);
ipv4_addr_and_mask_convert (&vl_api_flow->dst_addr, &f->dst_addr);
port_and_mask_convert (&vl_api_flow->src_port, &f->src_port);
port_and_mask_convert (&vl_api_flow->dst_port, &f->dst_port);
protocol_and_mask_convert (&vl_api_flow->protocol, &f->protocol);
f->teid = ntohl (vl_api_flow->teid);
}
static void
vl_api_flow_add_t_handler (vl_api_flow_add_t * mp)
{
vl_api_flow_add_reply_t *rmp;
int rv = 0;
vnet_flow_t flow;
u32 flow_index = ~0;
vl_api_flow_rule_t *f = &mp->flow;
vnet_main_t *vnm = vnet_get_main ();
flow.type = ntohl (f->type);
flow.actions = ntohl (f->actions);
flow.mark_flow_id = ntohl (f->mark_flow_id);
flow.redirect_node_index = ntohl (f->redirect_node_index);
flow.redirect_device_input_next_index =
ntohl (f->redirect_device_input_next_index);
flow.redirect_queue = ntohl (f->redirect_queue);
flow.buffer_advance = ntohl (f->buffer_advance);
switch (flow.type)
{
case VNET_FLOW_TYPE_IP4:
ipv4_flow_convert (&f->flow.ip4, &flow.ip4);
break;
case VNET_FLOW_TYPE_IP6:
ipv6_flow_convert (&f->flow.ip6, &flow.ip6);
break;
case VNET_FLOW_TYPE_IP4_N_TUPLE:
ipv4_n_tuple_flow_convert (&f->flow.ip4_n_tuple, &flow.ip4_n_tuple);
break;
case VNET_FLOW_TYPE_IP6_N_TUPLE:
ipv6_n_tuple_flow_convert (&f->flow.ip6_n_tuple, &flow.ip6_n_tuple);
break;
case VNET_FLOW_TYPE_IP4_N_TUPLE_TAGGED:
ipv4_n_tuple_tagged_flow_convert (&f->flow.ip4_n_tuple_tagged,
&flow.ip4_n_tuple_tagged);
break;
case VNET_FLOW_TYPE_IP6_N_TUPLE_TAGGED:
ipv6_n_tuple_tagged_flow_convert (&f->flow.ip6_n_tuple_tagged,
&flow.ip6_n_tuple_tagged);
break;
case VNET_FLOW_TYPE_IP4_L2TPV3OIP:
ipv4_l2tpv3oip_flow_convert (&f->flow.ip4_l2tpv3oip,
&flow.ip4_l2tpv3oip);
break;
case VNET_FLOW_TYPE_IP4_IPSEC_ESP:
ipv4_ipsec_esp_flow_convert (&f->flow.ip4_ipsec_esp,
&flow.ip4_ipsec_esp);
break;
case VNET_FLOW_TYPE_IP4_IPSEC_AH:
ipv4_ipsec_ah_flow_convert (&f->flow.ip4_ipsec_ah, &flow.ip4_ipsec_ah);
break;
case VNET_FLOW_TYPE_IP4_VXLAN:
ipv4_vxlan_flow_convert (&f->flow.ip4_vxlan, &flow.ip4_vxlan);
break;
case VNET_FLOW_TYPE_IP6_VXLAN:
ipv6_vxlan_flow_convert (&f->flow.ip6_vxlan, &flow.ip6_vxlan);
break;
case VNET_FLOW_TYPE_IP4_GTPU:
ipv4_gtpu_flow_convert (&f->flow.ip4_gtpu, &flow.ip4_gtpu);
break;
case VNET_FLOW_TYPE_IP4_GTPC:
ipv4_gtpc_flow_convert (&f->flow.ip4_gtpc, &flow.ip4_gtpc);
break;
default:
rv = VNET_FLOW_ERROR_NOT_SUPPORTED;
goto out;
break;
}
rv = vnet_flow_add (vnm, &flow, &flow_index);
out:
/* *INDENT-OFF* */
REPLY_MACRO2(VL_API_FLOW_ADD_REPLY,
({
rmp->flow_index = ntohl (flow_index);
}));
/* *INDENT-ON* */
}
static void
vl_api_flow_del_t_handler (vl_api_flow_del_t * mp)
{
vl_api_flow_add_reply_t *rmp;
int rv = 0;
vnet_main_t *vnm = vnet_get_main ();
rv = vnet_flow_del (vnm, ntohl (mp->flow_index));
REPLY_MACRO (VL_API_FLOW_DEL_REPLY);
}
static void
vl_api_flow_enable_t_handler (vl_api_flow_enable_t * mp)
{
vl_api_flow_add_reply_t *rmp;
int rv = 0;
vnet_main_t *vnm = vnet_get_main ();
rv =
vnet_flow_enable (vnm, ntohl (mp->flow_index), ntohl (mp->hw_if_index));
REPLY_MACRO (VL_API_FLOW_ENABLE_REPLY);
}
static void
vl_api_flow_disable_t_handler (vl_api_flow_disable_t * mp)
{
vl_api_flow_add_reply_t *rmp;
int rv = 0;
vnet_main_t *vnm = vnet_get_main ();
rv =
vnet_flow_disable (vnm, ntohl (mp->flow_index), ntohl (mp->hw_if_index));
REPLY_MACRO (VL_API_FLOW_DISABLE_REPLY);
}
#include <vnet/flow/flow.api.c>
static clib_error_t *
hw_flow_api_hookup (vlib_main_t * vm)
{
flow_main.msg_id_base = setup_message_id_table ();
return 0;
}
VLIB_API_INIT_FUNCTION (hw_flow_api_hookup);
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/
|
