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examples/ip_pipeline: rework routing pipeline

Browse Source 
Routing pipeline implementation is split to two files.
pipeline_routing.c file handles front-end functions (cli commands
parsing) pipeline_routing_ops.c contains implementation of functions
done by pipeline (back-end).

Signed-off-by: Pawel Wodkowski <pawelx.wodkowski@intel.com>
Acked-by: Cristian Dumitrescu <cristian.dumitrescu@intel.com>
This commit is contained in:
Maciej Gajdzica 2015-07-07 10:09:34 +02:00 committed by Thomas Monjalon
parent e1597e568e
commit 30ad1f40ca
6 changed files with 2667 additions and 394 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
examples/ip_pipeline/Makefile
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@ -64,6 +64,8 @@ SRCS-$(CONFIG_RTE_LIBRTE_PIPELINE) += pipeline_passthrough_be.c
SRCS-$(CONFIG_RTE_LIBRTE_PIPELINE) += pipeline_passthrough.c
SRCS-$(CONFIG_RTE_LIBRTE_PIPELINE) += pipeline_firewall_be.c
SRCS-$(CONFIG_RTE_LIBRTE_PIPELINE) += pipeline_firewall.c
SRCS-$(CONFIG_RTE_LIBRTE_PIPELINE) += pipeline_routing_be.c
SRCS-$(CONFIG_RTE_LIBRTE_PIPELINE) += pipeline_routing.c
CFLAGS += -I$(SRCDIR) -I$(SRCDIR)/pipeline
CFLAGS += -O3

2
examples/ip_pipeline/init.c
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@ -48,6 +48,7 @@
#include "pipeline_master.h"
#include "pipeline_passthrough.h"
#include "pipeline_firewall.h"
#include "pipeline_routing.h"
#define APP_NAME_SIZE 32
@ -1289,6 +1290,7 @@ int app_init(struct app_params *app)
app_pipeline_type_register(app, &pipeline_master);
app_pipeline_type_register(app, &pipeline_passthrough);
app_pipeline_type_register(app, &pipeline_firewall);
app_pipeline_type_register(app, &pipeline_routing);
app_init_pipelines(app);
app_init_threads(app);

1859
examples/ip_pipeline/pipeline/pipeline_routing.c
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File diff suppressed because it is too large Load Diff

99
examples/ip_pipeline/pipeline/pipeline_routing.h Normal file
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@ -0,0 +1,99 @@
/*-
* BSD LICENSE
*
* Copyright(c) 2010-2015 Intel Corporation. All rights reserved.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef __INCLUDE_PIPELINE_ROUTING_H__
#define __INCLUDE_PIPELINE_ROUTING_H__
#include "pipeline.h"
#include "pipeline_routing_be.h"
/*
* Route
*/
struct app_pipeline_routing_route_params {
uint32_t flags;
uint32_t port_id; /* Output port ID */
uint32_t ip; /* IP address for the next hop (only for remote routes) */
};
int
app_pipeline_routing_add_route(struct app_params *app,
uint32_t pipeline_id,
struct pipeline_routing_route_key *key,
struct app_pipeline_routing_route_params *route_params);
int
app_pipeline_routing_delete_route(struct app_params *app,
uint32_t pipeline_id,
struct pipeline_routing_route_key *key);
int
app_pipeline_routing_add_default_route(struct app_params *app,
uint32_t pipeline_id,
uint32_t port_id);
int
app_pipeline_routing_delete_default_route(struct app_params *app,
uint32_t pipeline_id);
/*
* ARP
*/
int
app_pipeline_routing_add_arp_entry(struct app_params *app,
uint32_t pipeline_id,
struct pipeline_routing_arp_key *key,
struct ether_addr *macaddr);
int
app_pipeline_routing_delete_arp_entry(struct app_params *app,
uint32_t pipeline_id,
struct pipeline_routing_arp_key *key);
int
app_pipeline_routing_add_default_arp_entry(struct app_params *app,
uint32_t pipeline_id,
uint32_t port_id);
int
app_pipeline_routing_delete_default_arp_entry(struct app_params *app,
uint32_t pipeline_id);
/*
* Pipeline type
*/
extern struct pipeline_type pipeline_routing;
#endif

869
examples/ip_pipeline/pipeline/pipeline_routing_be.c Normal file
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@ -0,0 +1,869 @@
/*-
* BSD LICENSE
*
* Copyright(c) 2010-2015 Intel Corporation. All rights reserved.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include <unistd.h>
#include <rte_common.h>
#include <rte_malloc.h>
#include <rte_ip.h>
#include <rte_byteorder.h>
#include <rte_table_lpm.h>
#include <rte_table_hash.h>
#include <rte_pipeline.h>
#include "pipeline_routing_be.h"
#include "pipeline_actions_common.h"
#include "hash_func.h"
struct pipeline_routing {
struct pipeline p;
pipeline_msg_req_handler custom_handlers[PIPELINE_ROUTING_MSG_REQS];
uint32_t n_routes;
uint32_t n_arp_entries;
uint32_t ip_da_offset;
uint32_t arp_key_offset;
} __rte_cache_aligned;
static void *
pipeline_routing_msg_req_custom_handler(struct pipeline *p, void *msg);
static pipeline_msg_req_handler handlers[] = {
[PIPELINE_MSG_REQ_PING] =
pipeline_msg_req_ping_handler,
[PIPELINE_MSG_REQ_STATS_PORT_IN] =
pipeline_msg_req_stats_port_in_handler,
[PIPELINE_MSG_REQ_STATS_PORT_OUT] =
pipeline_msg_req_stats_port_out_handler,
[PIPELINE_MSG_REQ_STATS_TABLE] =
pipeline_msg_req_stats_table_handler,
[PIPELINE_MSG_REQ_PORT_IN_ENABLE] =
pipeline_msg_req_port_in_enable_handler,
[PIPELINE_MSG_REQ_PORT_IN_DISABLE] =
pipeline_msg_req_port_in_disable_handler,
[PIPELINE_MSG_REQ_CUSTOM] =
pipeline_routing_msg_req_custom_handler,
};
static void *
pipeline_routing_msg_req_route_add_handler(struct pipeline *p,
void *msg);
static void *
pipeline_routing_msg_req_route_del_handler(struct pipeline *p,
void *msg);
static void *
pipeline_routing_msg_req_route_add_default_handler(struct pipeline *p,
void *msg);
static void *
pipeline_routing_msg_req_route_del_default_handler(struct pipeline *p,
void *msg);
static void *
pipeline_routing_msg_req_arp_add_handler(struct pipeline *p,
void *msg);
static void *
pipeline_routing_msg_req_arp_del_handler(struct pipeline *p,
void *msg);
static void *
pipeline_routing_msg_req_arp_add_default_handler(struct pipeline *p,
void *msg);
static void *
pipeline_routing_msg_req_arp_del_default_handler(struct pipeline *p,
void *msg);
static pipeline_msg_req_handler custom_handlers[] = {
[PIPELINE_ROUTING_MSG_REQ_ROUTE_ADD] =
pipeline_routing_msg_req_route_add_handler,
[PIPELINE_ROUTING_MSG_REQ_ROUTE_DEL] =
pipeline_routing_msg_req_route_del_handler,
[PIPELINE_ROUTING_MSG_REQ_ROUTE_ADD_DEFAULT] =
pipeline_routing_msg_req_route_add_default_handler,
[PIPELINE_ROUTING_MSG_REQ_ROUTE_DEL_DEFAULT] =
pipeline_routing_msg_req_route_del_default_handler,
[PIPELINE_ROUTING_MSG_REQ_ARP_ADD] =
pipeline_routing_msg_req_arp_add_handler,
[PIPELINE_ROUTING_MSG_REQ_ARP_DEL] =
pipeline_routing_msg_req_arp_del_handler,
[PIPELINE_ROUTING_MSG_REQ_ARP_ADD_DEFAULT] =
pipeline_routing_msg_req_arp_add_default_handler,
[PIPELINE_ROUTING_MSG_REQ_ARP_DEL_DEFAULT] =
pipeline_routing_msg_req_arp_del_default_handler,
};
/*
* Routing table
*/
struct routing_table_entry {
struct rte_pipeline_table_entry head;
uint32_t flags;
uint32_t port_id; /* Output port ID */
uint32_t ip; /* Next hop IP address (only valid for remote routes) */
};
static inline void
pkt_work_routing(
struct rte_mbuf *pkt,
struct rte_pipeline_table_entry *table_entry,
void *arg)
{
struct routing_table_entry *entry =
(struct routing_table_entry *) table_entry;
struct pipeline_routing *p_rt = arg;
struct pipeline_routing_arp_key_ipv4 *arp_key =
(struct pipeline_routing_arp_key_ipv4 *)
RTE_MBUF_METADATA_UINT8_PTR(pkt, p_rt->arp_key_offset);
uint32_t ip = RTE_MBUF_METADATA_UINT32(pkt, p_rt->ip_da_offset);
arp_key->port_id = entry->port_id;
arp_key->ip = entry->ip;
if (entry->flags & PIPELINE_ROUTING_ROUTE_LOCAL)
arp_key->ip = ip;
}
static inline void
pkt4_work_routing(
struct rte_mbuf **pkts,
struct rte_pipeline_table_entry **table_entries,
void *arg)
{
struct routing_table_entry *entry0 =
(struct routing_table_entry *) table_entries[0];
struct routing_table_entry *entry1 =
(struct routing_table_entry *) table_entries[1];
struct routing_table_entry *entry2 =
(struct routing_table_entry *) table_entries[2];
struct routing_table_entry *entry3 =
(struct routing_table_entry *) table_entries[3];
struct pipeline_routing *p_rt = arg;
struct pipeline_routing_arp_key_ipv4 *arp_key0 =
(struct pipeline_routing_arp_key_ipv4 *)
RTE_MBUF_METADATA_UINT8_PTR(pkts[0], p_rt->arp_key_offset);
struct pipeline_routing_arp_key_ipv4 *arp_key1 =
(struct pipeline_routing_arp_key_ipv4 *)
RTE_MBUF_METADATA_UINT8_PTR(pkts[1], p_rt->arp_key_offset);
struct pipeline_routing_arp_key_ipv4 *arp_key2 =
(struct pipeline_routing_arp_key_ipv4 *)
RTE_MBUF_METADATA_UINT8_PTR(pkts[2], p_rt->arp_key_offset);
struct pipeline_routing_arp_key_ipv4 *arp_key3 =
(struct pipeline_routing_arp_key_ipv4 *)
RTE_MBUF_METADATA_UINT8_PTR(pkts[3], p_rt->arp_key_offset);
uint32_t ip0 = RTE_MBUF_METADATA_UINT32(pkts[0], p_rt->ip_da_offset);
uint32_t ip1 = RTE_MBUF_METADATA_UINT32(pkts[1], p_rt->ip_da_offset);
uint32_t ip2 = RTE_MBUF_METADATA_UINT32(pkts[2], p_rt->ip_da_offset);
uint32_t ip3 = RTE_MBUF_METADATA_UINT32(pkts[3], p_rt->ip_da_offset);
arp_key0->port_id = entry0->port_id;
arp_key1->port_id = entry1->port_id;
arp_key2->port_id = entry2->port_id;
arp_key3->port_id = entry3->port_id;
arp_key0->ip = entry0->ip;
if (entry0->flags & PIPELINE_ROUTING_ROUTE_LOCAL)
arp_key0->ip = ip0;
arp_key1->ip = entry1->ip;
if (entry1->flags & PIPELINE_ROUTING_ROUTE_LOCAL)
arp_key1->ip = ip1;
arp_key2->ip = entry2->ip;
if (entry2->flags & PIPELINE_ROUTING_ROUTE_LOCAL)
arp_key2->ip = ip2;
arp_key3->ip = entry3->ip;
if (entry3->flags & PIPELINE_ROUTING_ROUTE_LOCAL)
arp_key3->ip = ip3;
}
PIPELINE_TABLE_AH_HIT(routing_table_ah_hit,
pkt_work_routing,
pkt4_work_routing);
/*
* ARP table
*/
struct arp_table_entry {
struct rte_pipeline_table_entry head;
uint64_t macaddr;
};
static inline void
pkt_work_arp(
struct rte_mbuf *pkt,
struct rte_pipeline_table_entry *table_entry,
__rte_unused void *arg)
{
struct arp_table_entry *entry = (struct arp_table_entry *) table_entry;
/* Read: pkt buffer - mbuf */
uint8_t *raw = rte_pktmbuf_mtod(pkt, uint8_t *);
/* Read: table entry */
uint64_t mac_addr_dst = entry->macaddr;
uint64_t mac_addr_src = 0;
/* Compute: Ethernet header */
uint64_t slab0 = mac_addr_dst | (mac_addr_src << 48);
uint32_t slab1 = mac_addr_src >> 16;
/* Write: pkt buffer - pkt headers */
*((uint64_t *) raw) = slab0;
*((uint32_t *) (raw + 8)) = slab1;
}
static inline void
pkt4_work_arp(
struct rte_mbuf **pkts,
struct rte_pipeline_table_entry **table_entries,
__rte_unused void *arg)
{
struct arp_table_entry *entry0 =
(struct arp_table_entry *) table_entries[0];
struct arp_table_entry *entry1 =
(struct arp_table_entry *) table_entries[1];
struct arp_table_entry *entry2 =
(struct arp_table_entry *) table_entries[2];
struct arp_table_entry *entry3 =
(struct arp_table_entry *) table_entries[3];
/* Read: pkt buffer - mbuf */
uint8_t *raw0 = rte_pktmbuf_mtod(pkts[0], uint8_t *);
uint8_t *raw1 = rte_pktmbuf_mtod(pkts[1], uint8_t *);
uint8_t *raw2 = rte_pktmbuf_mtod(pkts[2], uint8_t *);
uint8_t *raw3 = rte_pktmbuf_mtod(pkts[3], uint8_t *);
/* Read: table entry */
uint64_t mac_addr_dst0 = entry0->macaddr;
uint64_t mac_addr_dst1 = entry1->macaddr;
uint64_t mac_addr_dst2 = entry2->macaddr;
uint64_t mac_addr_dst3 = entry3->macaddr;
uint64_t mac_addr_src0 = 0;
uint64_t mac_addr_src1 = 0;
uint64_t mac_addr_src2 = 0;
uint64_t mac_addr_src3 = 0;
/* Compute: Ethernet header */
uint64_t pkt0_slab0 = mac_addr_dst0 | (mac_addr_src0 << 48);
uint64_t pkt1_slab0 = mac_addr_dst1 | (mac_addr_src1 << 48);
uint64_t pkt2_slab0 = mac_addr_dst2 | (mac_addr_src2 << 48);
uint64_t pkt3_slab0 = mac_addr_dst3 | (mac_addr_src3 << 48);
uint32_t pkt0_slab1 = mac_addr_src0 >> 16;
uint32_t pkt1_slab1 = mac_addr_src1 >> 16;
uint32_t pkt2_slab1 = mac_addr_src2 >> 16;
uint32_t pkt3_slab1 = mac_addr_src3 >> 16;
/* Write: pkt buffer - pkt headers */
*((uint64_t *) raw0) = pkt0_slab0;
*((uint32_t *) (raw0 + 8)) = pkt0_slab1;
*((uint64_t *) raw1) = pkt1_slab0;
*((uint32_t *) (raw1 + 8)) = pkt1_slab1;
*((uint64_t *) raw2) = pkt2_slab0;
*((uint32_t *) (raw2 + 8)) = pkt2_slab1;
*((uint64_t *) raw3) = pkt3_slab0;
*((uint32_t *) (raw3 + 8)) = pkt3_slab1;
}
PIPELINE_TABLE_AH_HIT(arp_table_ah_hit,
pkt_work_arp,
pkt4_work_arp);
static int
pipeline_routing_parse_args(struct pipeline_routing *p,
struct pipeline_params *params)
{
uint32_t n_routes_present = 0;
uint32_t n_arp_entries_present = 0;
uint32_t ip_da_offset_present = 0;
uint32_t arp_key_offset_present = 0;
uint32_t i;
for (i = 0; i < params->n_args; i++) {
char *arg_name = params->args_name[i];
char *arg_value = params->args_value[i];
/* n_routes */
if (strcmp(arg_name, "n_routes") == 0) {
if (n_routes_present)
return -1;
n_routes_present = 1;
p->n_routes = atoi(arg_value);
if (p->n_routes == 0)
return -1;
continue;
}
/* n_arp_entries */
if (strcmp(arg_name, "n_arp_entries") == 0) {
if (n_arp_entries_present)
return -1;
n_arp_entries_present = 1;
p->n_arp_entries = atoi(arg_value);
if (p->n_arp_entries == 0)
return -1;
continue;
}
/* ip_da_offset */
if (strcmp(arg_name, "ip_da_offset") == 0) {
if (ip_da_offset_present)
return -1;
ip_da_offset_present = 1;
p->ip_da_offset = atoi(arg_value);
continue;
}
/* arp_key_offset */
if (strcmp(arg_name, "arp_key_offset") == 0) {
if (arp_key_offset_present)
return -1;
arp_key_offset_present = 1;
p->arp_key_offset = atoi(arg_value);
continue;
}
/* any other */
return -1;
}
/* Check that mandatory arguments are present */
if ((n_routes_present == 0) ||
(n_arp_entries_present == 0) ||
(ip_da_offset_present == 0) ||
(n_arp_entries_present && (arp_key_offset_present == 0)))
return -1;
return 0;
}
static void *
pipeline_routing_init(struct pipeline_params *params,
__rte_unused void *arg)
{
struct pipeline *p;
struct pipeline_routing *p_rt;
uint32_t size, i;
/* Check input arguments */
if ((params == NULL) ||
(params->n_ports_in == 0) ||
(params->n_ports_out == 0))
return NULL;
/* Memory allocation */
size = RTE_CACHE_LINE_ROUNDUP(sizeof(struct pipeline_routing));
p = rte_zmalloc(NULL, size, RTE_CACHE_LINE_SIZE);
p_rt = (struct pipeline_routing *) p;
if (p == NULL)
return NULL;
strcpy(p->name, params->name);
p->log_level = params->log_level;
PLOG(p, HIGH, "Routing");
/* Parse arguments */
if (pipeline_routing_parse_args(p_rt, params))
return NULL;
/* Pipeline */
{
struct rte_pipeline_params pipeline_params = {
.name = params->name,
.socket_id = params->socket_id,
.offset_port_id = 0,
};
p->p = rte_pipeline_create(&pipeline_params);
if (p->p == NULL) {
rte_free(p);
return NULL;
}
}
/* Input ports */
p->n_ports_in = params->n_ports_in;
for (i = 0; i < p->n_ports_in; i++) {
struct rte_pipeline_port_in_params port_params = {
.ops = pipeline_port_in_params_get_ops(
&params->port_in[i]),
.arg_create = pipeline_port_in_params_convert(
&params->port_in[i]),
.f_action = NULL,
.arg_ah = NULL,
.burst_size = params->port_in[i].burst_size,
};
int status = rte_pipeline_port_in_create(p->p,
&port_params,
&p->port_in_id[i]);
if (status) {
rte_pipeline_free(p->p);
rte_free(p);
return NULL;
}
}
/* Output ports */
p->n_ports_out = params->n_ports_out;
for (i = 0; i < p->n_ports_out; i++) {
struct rte_pipeline_port_out_params port_params = {
.ops = pipeline_port_out_params_get_ops(
&params->port_out[i]),
.arg_create = pipeline_port_out_params_convert(
&params->port_out[i]),
.f_action = NULL,
.f_action_bulk = NULL,
.arg_ah = NULL,
};
int status = rte_pipeline_port_out_create(p->p,
&port_params,
&p->port_out_id[i]);
if (status) {
rte_pipeline_free(p->p);
rte_free(p);
return NULL;
}
}
/* Routing table */
p->n_tables = 1;
{
struct rte_table_lpm_params table_lpm_params = {
.n_rules = p_rt->n_routes,
.entry_unique_size = sizeof(struct routing_table_entry),
.offset = p_rt->ip_da_offset,
};
struct rte_pipeline_table_params table_params = {
.ops = &rte_table_lpm_ops,
.arg_create = &table_lpm_params,
.f_action_hit = routing_table_ah_hit,
.f_action_miss = NULL,
.arg_ah = p_rt,
.action_data_size =
sizeof(struct routing_table_entry) -
sizeof(struct rte_pipeline_table_entry),
};
int status;
status = rte_pipeline_table_create(p->p,
&table_params,
&p->table_id[0]);
if (status) {
rte_pipeline_free(p->p);
rte_free(p);
return NULL;
}
}
/* ARP table configuration */
if (p_rt->n_arp_entries) {
struct rte_table_hash_key8_ext_params table_arp_params = {
.n_entries = p_rt->n_arp_entries,
.n_entries_ext = p_rt->n_arp_entries,
.f_hash = hash_default_key8,
.seed = 0,
.signature_offset = 0, /* Unused */
.key_offset = p_rt->arp_key_offset,
};
struct rte_pipeline_table_params table_params = {
.ops = &rte_table_hash_key8_ext_dosig_ops,
.arg_create = &table_arp_params,
.f_action_hit = arp_table_ah_hit,
.f_action_miss = NULL,
.arg_ah = p_rt,
.action_data_size = sizeof(struct arp_table_entry) -
sizeof(struct rte_pipeline_table_entry),
};
int status;
status = rte_pipeline_table_create(p->p,
&table_params,
&p->table_id[1]);
if (status) {
rte_pipeline_free(p->p);
rte_free(p);
return NULL;
}
p->n_tables++;
}
/* Connecting input ports to tables */
for (i = 0; i < p->n_ports_in; i++) {
int status = rte_pipeline_port_in_connect_to_table(p->p,
p->port_in_id[i],
p->table_id[0]);
if (status) {
rte_pipeline_free(p->p);
rte_free(p);
return NULL;
}
}
/* Enable input ports */
for (i = 0; i < p->n_ports_in; i++) {
int status = rte_pipeline_port_in_enable(p->p,
p->port_in_id[i]);
if (status) {
rte_pipeline_free(p->p);
rte_free(p);
return NULL;
}
}
/* Check pipeline consistency */
if (rte_pipeline_check(p->p) < 0) {
rte_pipeline_free(p->p);
rte_free(p);
return NULL;
}
/* Message queues */
p->n_msgq = params->n_msgq;
for (i = 0; i < p->n_msgq; i++)
p->msgq_in[i] = params->msgq_in[i];
for (i = 0; i < p->n_msgq; i++)
p->msgq_out[i] = params->msgq_out[i];
/* Message handlers */
memcpy(p->handlers, handlers, sizeof(p->handlers));
memcpy(p_rt->custom_handlers,
custom_handlers,
sizeof(p_rt->custom_handlers));
return p;
}
static int
pipeline_routing_free(void *pipeline)
{
struct pipeline *p = (struct pipeline *) pipeline;
/* Check input arguments */
if (p == NULL)
return -1;
/* Free resources */
rte_pipeline_free(p->p);
rte_free(p);
return 0;
}
static int
pipeline_routing_track(void *pipeline,
__rte_unused uint32_t port_in,
uint32_t *port_out)
{
struct pipeline *p = (struct pipeline *) pipeline;
/* Check input arguments */
if ((p == NULL) ||
(port_in >= p->n_ports_in) ||
(port_out == NULL))
return -1;
if (p->n_ports_in == 1) {
*port_out = 0;
return 0;
}
return -1;
}
static int
pipeline_routing_timer(void *pipeline)
{
struct pipeline *p = (struct pipeline *) pipeline;
pipeline_msg_req_handle(p);
rte_pipeline_flush(p->p);
return 0;
}
void *
pipeline_routing_msg_req_custom_handler(struct pipeline *p,
void *msg)
{
struct pipeline_routing *p_rt = (struct pipeline_routing *) p;
struct pipeline_custom_msg_req *req = msg;
pipeline_msg_req_handler f_handle;
f_handle = (req->subtype < PIPELINE_ROUTING_MSG_REQS) ?
p_rt->custom_handlers[req->subtype] :
pipeline_msg_req_invalid_handler;
if (f_handle == NULL)
f_handle = pipeline_msg_req_invalid_handler;
return f_handle(p, req);
}
void *
pipeline_routing_msg_req_route_add_handler(struct pipeline *p, void *msg)
{
struct pipeline_routing_route_add_msg_req *req = msg;
struct pipeline_routing_route_add_msg_rsp *rsp = msg;
struct rte_table_lpm_key key = {
.ip = req->key.key.ipv4.ip,
.depth = req->key.key.ipv4.depth,
};
struct routing_table_entry entry = {
.head = {
.action = RTE_PIPELINE_ACTION_TABLE,
{.table_id = p->table_id[1]},
},
.flags = req->flags,
.port_id = req->port_id,
.ip = rte_bswap32(req->ip),
};
if (req->key.type != PIPELINE_ROUTING_ROUTE_IPV4) {
rsp->status = -1;
return rsp;
}
rsp->status = rte_pipeline_table_entry_add(p->p,
p->table_id[0],
&key,
(struct rte_pipeline_table_entry *) &entry,
&rsp->key_found,
(struct rte_pipeline_table_entry **) &rsp->entry_ptr);
return rsp;
}
void *
pipeline_routing_msg_req_route_del_handler(struct pipeline *p, void *msg)
{
struct pipeline_routing_route_delete_msg_req *req = msg;
struct pipeline_routing_route_delete_msg_rsp *rsp = msg;
struct rte_table_lpm_key key = {
.ip = req->key.key.ipv4.ip,
.depth = req->key.key.ipv4.depth,
};
if (req->key.type != PIPELINE_ROUTING_ROUTE_IPV4) {
rsp->status = -1;
return rsp;
}
rsp->status = rte_pipeline_table_entry_delete(p->p,
p->table_id[0],
&key,
&rsp->key_found,
NULL);
return rsp;
}
void *
pipeline_routing_msg_req_route_add_default_handler(struct pipeline *p,
void *msg)
{
struct pipeline_routing_route_add_default_msg_req *req = msg;
struct pipeline_routing_route_add_default_msg_rsp *rsp = msg;
struct routing_table_entry default_entry = {
.head = {
.action = RTE_PIPELINE_ACTION_PORT,
{.port_id = p->port_out_id[req->port_id]},
},
.flags = 0,
.port_id = 0,
.ip = 0,
};
rsp->status = rte_pipeline_table_default_entry_add(p->p,
p->table_id[0],
(struct rte_pipeline_table_entry *) &default_entry,
(struct rte_pipeline_table_entry **) &rsp->entry_ptr);
return rsp;
}
void *
pipeline_routing_msg_req_route_del_default_handler(struct pipeline *p,
void *msg)
{
struct pipeline_routing_route_delete_default_msg_rsp *rsp = msg;
rsp->status = rte_pipeline_table_default_entry_delete(p->p,
p->table_id[0],
NULL);
return rsp;
}
void *
pipeline_routing_msg_req_arp_add_handler(struct pipeline *p, void *msg)
{
struct pipeline_routing_arp_add_msg_req *req = msg;
struct pipeline_routing_arp_add_msg_rsp *rsp = msg;
struct pipeline_routing_arp_key_ipv4 key = {
.port_id = req->key.key.ipv4.port_id,
.ip = rte_bswap32(req->key.key.ipv4.ip),
};
struct arp_table_entry entry = {
.head = {
.action = RTE_PIPELINE_ACTION_PORT,
{.port_id = p->port_out_id[req->key.key.ipv4.port_id]},
},
.macaddr = 0, /* set below */
};
if (req->key.type != PIPELINE_ROUTING_ARP_IPV4) {
rsp->status = -1;
return rsp;
}
*((struct ether_addr *) &entry.macaddr) = req->macaddr;
rsp->status = rte_pipeline_table_entry_add(p->p,
p->table_id[1],
&key,
(struct rte_pipeline_table_entry *) &entry,
&rsp->key_found,
(struct rte_pipeline_table_entry **) &rsp->entry_ptr);
return rsp;
}
void *
pipeline_routing_msg_req_arp_del_handler(struct pipeline *p, void *msg)
{
struct pipeline_routing_arp_delete_msg_req *req = msg;
struct pipeline_routing_arp_delete_msg_rsp *rsp = msg;
struct pipeline_routing_arp_key_ipv4 key = {
.port_id = req->key.key.ipv4.port_id,
.ip = rte_bswap32(req->key.key.ipv4.ip),
};
if (req->key.type != PIPELINE_ROUTING_ARP_IPV4) {
rsp->status = -1;
return rsp;
}
rsp->status = rte_pipeline_table_entry_delete(p->p,
p->table_id[1],
&key,
&rsp->key_found,
NULL);
return rsp;
}
void *
pipeline_routing_msg_req_arp_add_default_handler(struct pipeline *p, void *msg)
{
struct pipeline_routing_arp_add_default_msg_req *req = msg;
struct pipeline_routing_arp_add_default_msg_rsp *rsp = msg;
struct arp_table_entry default_entry = {
.head = {
.action = RTE_PIPELINE_ACTION_PORT,
{.port_id = p->port_out_id[req->port_id]},
},
.macaddr = 0,
};
rsp->status = rte_pipeline_table_default_entry_add(p->p,
p->table_id[1],
(struct rte_pipeline_table_entry *) &default_entry,
(struct rte_pipeline_table_entry **) &rsp->entry_ptr);
return rsp;
}
void *
pipeline_routing_msg_req_arp_del_default_handler(struct pipeline *p, void *msg)
{
struct pipeline_routing_arp_delete_default_msg_rsp *rsp = msg;
rsp->status = rte_pipeline_table_default_entry_delete(p->p,
p->table_id[1],
NULL);
return rsp;
}
struct pipeline_be_ops pipeline_routing_be_ops = {
.f_init = pipeline_routing_init,
.f_free = pipeline_routing_free,
.f_run = NULL,
.f_timer = pipeline_routing_timer,
.f_track = pipeline_routing_track,
};

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/*-
* BSD LICENSE
*
* Copyright(c) 2010-2015 Intel Corporation. All rights reserved.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef __INCLUDE_PIPELINE_ROUTING_BE_H__
#define __INCLUDE_PIPELINE_ROUTING_BE_H__
#include <rte_ether.h>
#include "pipeline_common_be.h"
/*
* Route
*/
enum pipeline_routing_route_key_type {
PIPELINE_ROUTING_ROUTE_IPV4,
};
struct pipeline_routing_route_key_ipv4 {
uint32_t ip;
uint32_t depth;
};
struct pipeline_routing_route_key {
enum pipeline_routing_route_key_type type;
union {
struct pipeline_routing_route_key_ipv4 ipv4;
} key;
};
enum pipeline_routing_route_flags {
PIPELINE_ROUTING_ROUTE_LOCAL = 1 << 0, /* 0 = remote; 1 = local */
};
/*
* ARP
*/
enum pipeline_routing_arp_key_type {
PIPELINE_ROUTING_ARP_IPV4,
};
struct pipeline_routing_arp_key_ipv4 {
uint32_t port_id;
uint32_t ip;
};
struct pipeline_routing_arp_key {
enum pipeline_routing_arp_key_type type;
union {
struct pipeline_routing_arp_key_ipv4 ipv4;
} key;
};
/*
* Messages
*/
enum pipeline_routing_msg_req_type {
PIPELINE_ROUTING_MSG_REQ_ROUTE_ADD,
PIPELINE_ROUTING_MSG_REQ_ROUTE_DEL,
PIPELINE_ROUTING_MSG_REQ_ROUTE_ADD_DEFAULT,
PIPELINE_ROUTING_MSG_REQ_ROUTE_DEL_DEFAULT,
PIPELINE_ROUTING_MSG_REQ_ARP_ADD,
PIPELINE_ROUTING_MSG_REQ_ARP_DEL,
PIPELINE_ROUTING_MSG_REQ_ARP_ADD_DEFAULT,
PIPELINE_ROUTING_MSG_REQ_ARP_DEL_DEFAULT,
PIPELINE_ROUTING_MSG_REQS
};
/*
* MSG ROUTE ADD
*/
struct pipeline_routing_route_add_msg_req {
enum pipeline_msg_req_type type;
enum pipeline_routing_msg_req_type subtype;
/* key */
struct pipeline_routing_route_key key;
/* data */
uint32_t flags;
uint32_t port_id; /* Output port ID */
uint32_t ip; /* Next hop IP address (only valid for remote routes) */
};
struct pipeline_routing_route_add_msg_rsp {
int status;
int key_found;
void *entry_ptr;
};
/*
* MSG ROUTE DELETE
*/
struct pipeline_routing_route_delete_msg_req {
enum pipeline_msg_req_type type;
enum pipeline_routing_msg_req_type subtype;
/* key */
struct pipeline_routing_route_key key;
};
struct pipeline_routing_route_delete_msg_rsp {
int status;
int key_found;
};
/*
* MSG ROUTE ADD DEFAULT
*/
struct pipeline_routing_route_add_default_msg_req {
enum pipeline_msg_req_type type;
enum pipeline_routing_msg_req_type subtype;
/* data */
uint32_t port_id;
};
struct pipeline_routing_route_add_default_msg_rsp {
int status;
void *entry_ptr;
};
/*
* MSG ROUTE DELETE DEFAULT
*/
struct pipeline_routing_route_delete_default_msg_req {
enum pipeline_msg_req_type type;
enum pipeline_routing_msg_req_type subtype;
};
struct pipeline_routing_route_delete_default_msg_rsp {
int status;
};
/*
* MSG ARP ADD
*/
struct pipeline_routing_arp_add_msg_req {
enum pipeline_msg_req_type type;
enum pipeline_routing_msg_req_type subtype;
/* key */
struct pipeline_routing_arp_key key;
/* data */
struct ether_addr macaddr;
};
struct pipeline_routing_arp_add_msg_rsp {
int status;
int key_found;
void *entry_ptr;
};
/*
* MSG ARP DELETE
*/
struct pipeline_routing_arp_delete_msg_req {
enum pipeline_msg_req_type type;
enum pipeline_routing_msg_req_type subtype;
/* key */
struct pipeline_routing_arp_key key;
};
struct pipeline_routing_arp_delete_msg_rsp {
int status;
int key_found;
};
/*
* MSG ARP ADD DEFAULT
*/
struct pipeline_routing_arp_add_default_msg_req {
enum pipeline_msg_req_type type;
enum pipeline_routing_msg_req_type subtype;
/* data */
uint32_t port_id;
};
struct pipeline_routing_arp_add_default_msg_rsp {
int status;
void *entry_ptr;
};
/*
* MSG ARP DELETE DEFAULT
*/
struct pipeline_routing_arp_delete_default_msg_req {
enum pipeline_msg_req_type type;
enum pipeline_routing_msg_req_type subtype;
};
struct pipeline_routing_arp_delete_default_msg_rsp {
int status;
};
extern struct pipeline_be_ops pipeline_routing_be_ops;
#endif