examples/ip_pipeline: add link object

Add link object implementation to the application.

Signed-off-by: Cristian Dumitrescu <cristian.dumitrescu@intel.com>
Signed-off-by: Jasvinder Singh <jasvinder.singh@intel.com>
Signed-off-by: Fan Zhang <roy.fan.zhang@intel.com>
This commit is contained in:
Jasvinder Singh 2018-03-29 19:31:42 +01:00 committed by Cristian Dumitrescu
parent 6bfe74f8c9
commit 133c2c6565
6 changed files with 463 additions and 0 deletions

View File

@ -7,6 +7,7 @@ APP = ip_pipeline
# all source are stored in SRCS-y
SRCS-y := cli.c
SRCS-y += conn.c
SRCS-y += link.c
SRCS-y += main.c
SRCS-y += mempool.c
SRCS-y += parser.c

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@ -10,6 +10,7 @@
#include <rte_common.h>
#include "cli.h"
#include "link.h"
#include "mempool.h"
#include "parser.h"
@ -110,6 +111,122 @@ cmd_mempool(char **tokens,
}
}
/**
* link <link_name>
* dev <device_name> | port <port_id>
* rxq <n_queues> <queue_size> <mempool_name>
* txq <n_queues> <queue_size>
* promiscuous on | off
* [rss <qid_0> ... <qid_n>]
*/
static void
cmd_link(char **tokens,
uint32_t n_tokens,
char *out,
size_t out_size)
{
struct link_params p;
struct link_params_rss rss;
struct link *link;
char *name;
if ((n_tokens < 13) || (n_tokens > 14 + LINK_RXQ_RSS_MAX)) {
snprintf(out, out_size, MSG_ARG_MISMATCH, tokens[0]);
return;
}
name = tokens[1];
if (strcmp(tokens[2], "dev") == 0)
p.dev_name = tokens[3];
else if (strcmp(tokens[2], "port") == 0) {
p.dev_name = NULL;
if (parser_read_uint16(&p.port_id, tokens[3]) != 0) {
snprintf(out, out_size, MSG_ARG_INVALID, "port_id");
return;
}
} else {
snprintf(out, out_size, MSG_ARG_NOT_FOUND, "dev or port");
return;
}
if (strcmp(tokens[4], "rxq") != 0) {
snprintf(out, out_size, MSG_ARG_NOT_FOUND, "rxq");
return;
}
if (parser_read_uint32(&p.rx.n_queues, tokens[5]) != 0) {
snprintf(out, out_size, MSG_ARG_INVALID, "n_queues");
return;
}
if (parser_read_uint32(&p.rx.queue_size, tokens[6]) != 0) {
snprintf(out, out_size, MSG_ARG_INVALID, "queue_size");
return;
}
p.rx.mempool_name = tokens[7];
if (strcmp(tokens[8], "txq") != 0) {
snprintf(out, out_size, MSG_ARG_NOT_FOUND, "txq");
return;
}
if (parser_read_uint32(&p.tx.n_queues, tokens[9]) != 0) {
snprintf(out, out_size, MSG_ARG_INVALID, "n_queues");
return;
}
if (parser_read_uint32(&p.tx.queue_size, tokens[10]) != 0) {
snprintf(out, out_size, MSG_ARG_INVALID, "queue_size");
return;
}
if (strcmp(tokens[11], "promiscuous") != 0) {
snprintf(out, out_size, MSG_ARG_NOT_FOUND, "promiscuous");
return;
}
if (strcmp(tokens[12], "on") == 0)
p.promiscuous = 1;
else if (strcmp(tokens[12], "off") == 0)
p.promiscuous = 0;
else {
snprintf(out, out_size, MSG_ARG_NOT_FOUND, "on or off");
return;
}
/* RSS */
p.rx.rss = NULL;
if (n_tokens > 13) {
uint32_t queue_id, i;
if (strcmp(tokens[13], "rss") != 0) {
snprintf(out, out_size, MSG_ARG_NOT_FOUND, "rss");
return;
}
p.rx.rss = &rss;
rss.n_queues = 0;
for (i = 14; i < n_tokens; i++) {
if (parser_read_uint32(&queue_id, tokens[i]) != 0) {
snprintf(out, out_size, MSG_ARG_INVALID,
"queue_id");
return;
}
rss.queue_id[rss.n_queues] = queue_id;
rss.n_queues++;
}
}
link = link_create(name, &p);
if (link == NULL) {
snprintf(out, out_size, MSG_CMD_FAIL, tokens[0]);
return;
}
}
void
cli_process(char *in, char *out, size_t out_size)
{
@ -134,6 +251,11 @@ cli_process(char *in, char *out, size_t out_size)
return;
}
if (strcmp(tokens[0], "link") == 0) {
cmd_link(tokens, n_tokens, out, out_size);
return;
}
snprintf(out, out_size, MSG_CMD_UNKNOWN, tokens[0]);
}

268
examples/ip_pipeline/link.c Normal file
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@ -0,0 +1,268 @@
/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(c) 2010-2018 Intel Corporation
*/
#include <stdlib.h>
#include <string.h>
#include <rte_ethdev.h>
#include "link.h"
#include "mempool.h"
static struct link_list link_list;
int
link_init(void)
{
TAILQ_INIT(&link_list);
return 0;
}
struct link *
link_find(const char *name)
{
struct link *link;
if (name == NULL)
return NULL;
TAILQ_FOREACH(link, &link_list, node)
if (strcmp(link->name, name) == 0)
return link;
return NULL;
}
static struct rte_eth_conf port_conf_default = {
.link_speeds = 0,
.rxmode = {
.mq_mode = ETH_MQ_RX_NONE,
.header_split = 0, /* Header split */
.hw_ip_checksum = 0, /* IP checksum offload */
.hw_vlan_filter = 0, /* VLAN filtering */
.hw_vlan_strip = 0, /* VLAN strip */
.hw_vlan_extend = 0, /* Extended VLAN */
.jumbo_frame = 0, /* Jumbo frame support */
.hw_strip_crc = 1, /* CRC strip by HW */
.enable_scatter = 0, /* Scattered packets RX handler */
.max_rx_pkt_len = 9000, /* Jumbo frame max packet len */
.split_hdr_size = 0, /* Header split buffer size */
},
.rx_adv_conf = {
.rss_conf = {
.rss_key = NULL,
.rss_key_len = 40,
.rss_hf = 0,
},
},
.txmode = {
.mq_mode = ETH_MQ_TX_NONE,
},
.lpbk_mode = 0,
};
#define RETA_CONF_SIZE (ETH_RSS_RETA_SIZE_512 / RTE_RETA_GROUP_SIZE)
static int
rss_setup(uint16_t port_id,
uint16_t reta_size,
struct link_params_rss *rss)
{
struct rte_eth_rss_reta_entry64 reta_conf[RETA_CONF_SIZE];
uint32_t i;
int status;
/* RETA setting */
memset(reta_conf, 0, sizeof(reta_conf));
for (i = 0; i < reta_size; i++)
reta_conf[i / RTE_RETA_GROUP_SIZE].mask = UINT64_MAX;
for (i = 0; i < reta_size; i++) {
uint32_t reta_id = i / RTE_RETA_GROUP_SIZE;
uint32_t reta_pos = i % RTE_RETA_GROUP_SIZE;
uint32_t rss_qs_pos = i % rss->n_queues;
reta_conf[reta_id].reta[reta_pos] =
(uint16_t) rss->queue_id[rss_qs_pos];
}
/* RETA update */
status = rte_eth_dev_rss_reta_update(port_id,
reta_conf,
reta_size);
return status;
}
struct link *
link_create(const char *name, struct link_params *params)
{
struct rte_eth_dev_info port_info;
struct rte_eth_conf port_conf;
struct link *link;
struct link_params_rss *rss;
struct mempool *mempool;
uint32_t cpu_id, i;
int status;
uint16_t port_id;
/* Check input params */
if ((name == NULL) ||
link_find(name) ||
(params == NULL) ||
(params->rx.n_queues == 0) ||
(params->rx.queue_size == 0) ||
(params->tx.n_queues == 0) ||
(params->tx.queue_size == 0))
return NULL;
port_id = params->port_id;
if (params->dev_name) {
status = rte_eth_dev_get_port_by_name(params->dev_name,
&port_id);
if (status)
return NULL;
} else
if (!rte_eth_dev_is_valid_port(port_id))
return NULL;
rte_eth_dev_info_get(port_id, &port_info);
mempool = mempool_find(params->rx.mempool_name);
if (mempool == NULL)
return NULL;
rss = params->rx.rss;
if (rss) {
if ((port_info.reta_size == 0) ||
(port_info.reta_size > ETH_RSS_RETA_SIZE_512))
return NULL;
if ((rss->n_queues == 0) ||
(rss->n_queues >= LINK_RXQ_RSS_MAX))
return NULL;
for (i = 0; i < rss->n_queues; i++)
if (rss->queue_id[i] >= port_info.max_rx_queues)
return NULL;
}
/**
* Resource create
*/
/* Port */
memcpy(&port_conf, &port_conf_default, sizeof(port_conf));
if (rss) {
port_conf.rxmode.mq_mode = ETH_MQ_RX_RSS;
port_conf.rx_adv_conf.rss_conf.rss_hf =
ETH_RSS_IPV4 | ETH_RSS_IPV6;
}
cpu_id = (uint32_t) rte_eth_dev_socket_id(port_id);
if (cpu_id == (uint32_t) SOCKET_ID_ANY)
cpu_id = 0;
status = rte_eth_dev_configure(
port_id,
params->rx.n_queues,
params->tx.n_queues,
&port_conf);
if (status < 0)
return NULL;
if (params->promiscuous)
rte_eth_promiscuous_enable(port_id);
/* Port RX */
for (i = 0; i < params->rx.n_queues; i++) {
status = rte_eth_rx_queue_setup(
port_id,
i,
params->rx.queue_size,
cpu_id,
NULL,
mempool->m);
if (status < 0)
return NULL;
}
/* Port TX */
for (i = 0; i < params->tx.n_queues; i++) {
status = rte_eth_tx_queue_setup(
port_id,
i,
params->tx.queue_size,
cpu_id,
NULL);
if (status < 0)
return NULL;
}
/* Port start */
status = rte_eth_dev_start(port_id);
if (status < 0)
return NULL;
if (rss) {
status = rss_setup(port_id, port_info.reta_size, rss);
if (status) {
rte_eth_dev_stop(port_id);
return NULL;
}
}
/* Port link up */
status = rte_eth_dev_set_link_up(port_id);
if ((status < 0) && (status != -ENOTSUP)) {
rte_eth_dev_stop(port_id);
return NULL;
}
/* Node allocation */
link = calloc(1, sizeof(struct link));
if (link == NULL) {
rte_eth_dev_stop(port_id);
return NULL;
}
/* Node fill in */
strncpy(link->name, name, sizeof(link->name));
link->port_id = port_id;
link->n_rxq = params->rx.n_queues;
link->n_txq = params->tx.n_queues;
/* Node add to list */
TAILQ_INSERT_TAIL(&link_list, link, node);
return link;
}
int
link_is_up(const char *name)
{
struct rte_eth_link link_params;
struct link *link;
/* Check input params */
if (name == NULL)
return 0;
link = link_find(name);
if (link == NULL)
return 0;
/* Resource */
rte_eth_link_get(link->port_id, &link_params);
return (link_params.link_status == ETH_LINK_DOWN) ? 0 : 1;
}

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@ -0,0 +1,63 @@
/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(c) 2010-2018 Intel Corporation
*/
#ifndef _INCLUDE_LINK_H_
#define _INCLUDE_LINK_H_
#include <stdint.h>
#include <sys/queue.h>
#include "common.h"
#ifndef LINK_RXQ_RSS_MAX
#define LINK_RXQ_RSS_MAX 16
#endif
struct link {
TAILQ_ENTRY(link) node;
char name[NAME_SIZE];
uint16_t port_id;
uint32_t n_rxq;
uint32_t n_txq;
};
TAILQ_HEAD(link_list, link);
int
link_init(void);
struct link *
link_find(const char *name);
struct link_params_rss {
uint32_t queue_id[LINK_RXQ_RSS_MAX];
uint32_t n_queues;
};
struct link_params {
const char *dev_name;
uint16_t port_id; /**< Valid only when *dev_name* is NULL. */
struct {
uint32_t n_queues;
uint32_t queue_size;
const char *mempool_name;
struct link_params_rss *rss;
} rx;
struct {
uint32_t n_queues;
uint32_t queue_size;
} tx;
int promiscuous;
};
struct link *
link_create(const char *name, struct link_params *params);
int
link_is_up(const char *name);
#endif /* _INCLUDE_LINK_H_ */

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@ -12,6 +12,7 @@
#include "cli.h"
#include "conn.h"
#include "link.h"
#include "mempool.h"
static const char usage[] =
@ -167,6 +168,13 @@ main(int argc, char **argv)
return status;
}
/* Link */
status = link_init();
if (status) {
printf("Error: Link initialization failed (%d)\n", status);
return status;
}
/* Script */
if (app.script_name)
cli_script_process(app.script_name,

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@ -10,6 +10,7 @@ deps += ['pipeline', 'bus_pci']
sources = files(
'cli.c',
'conn.c',
'link.c',
'main.c',
'mempool.c',
'parser.c',