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netif.c
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/*
* DPVS is a software load balancer (Virtual Server) based on DPDK.
*
* Copyright (C) 2017 iQIYI (www.iqiyi.com).
* All Rights Reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
#include <unistd.h>
#include <fcntl.h>
#include <assert.h>
#include <netinet/in.h>
#include <sys/ioctl.h>
#include <linux/netlink.h>
#include <linux/rtnetlink.h>
#include <net/if.h>
#include "dpdk.h"
#include "common.h"
#include "netif.h"
#include "netif_addr.h"
#include "vlan.h"
#include "ctrl.h"
#include "list.h"
#include "kni.h"
#include <rte_version.h>
#include "conf/netif.h"
#include "timer.h"
#include "parser/parser.h"
#define NETIF_PKTPOOL_NB_MBUF_DEF 65535
#define NETIF_PKTPOOL_NB_MBUF_MIN 1023
#define NETIF_PKTPOOL_NB_MBUF_MAX 134217727
static int netif_pktpool_nb_mbuf = NETIF_PKTPOOL_NB_MBUF_DEF;
#define NETIF_PKTPOOL_MBUF_CACHE_DEF 256
#define NETIF_PKTPOOL_MBUF_CACHE_MIN 32
#define NETIF_PKTPOOL_MBUF_CACHE_MAX 8192
static int netif_pktpool_mbuf_cache = NETIF_PKTPOOL_MBUF_CACHE_DEF;
#define NETIF_NB_RX_DESC_DEF 64
#define NETIF_NB_RX_DESC_MIN 16
#define NETIF_NB_RX_DESC_MAX 8192
#define NETIF_NB_TX_DESC_DEF 128
#define NETIF_NB_TX_DESC_MIN 16
#define NETIF_NB_TX_DESC_MAX 8192
#define NETIF_PKT_PREFETCH_OFFSET 3
#define NETIF_ISOL_RXQ_RING_SZ_DEF 1048576 // 1M bytes
/* physical nic id = phy_pid_base + index */
static portid_t phy_pid_base = 0;
static portid_t phy_pid_end = -1; // not inclusive
/* bond device id = bond_pid_base + index */
static portid_t bond_pid_base = -1;
static portid_t bond_pid_end = -1; // not inclusive
static portid_t port_id_end = 0;
static uint8_t g_nports;
static uint64_t cycles_per_sec;
#define NETIF_BOND_MODE_DEF BONDING_MODE_ROUND_ROBIN
struct port_conf_stream {
int port_id;
char name[32];
char kni_name[32];
int rx_queue_nb;
int rx_desc_nb;
char rss[32];
int tx_queue_nb;
int tx_desc_nb;
bool promisc_mode;
struct list_head port_list_node;
};
struct bond_conf_stream {
int port_id;
char name[32];
char kni_name[32];
int mode;
char primary[32];
char slaves[NETIF_MAX_BOND_SLAVES][32];
struct list_head bond_list_node;
};
struct queue_conf_stream {
char port_name[32];
int rx_queues[NETIF_MAX_QUEUES];
int tx_queues[NETIF_MAX_QUEUES];
int isol_rxq_lcore_ids[NETIF_MAX_QUEUES];
int isol_rxq_ring_sz;
struct list_head queue_list_node;
};
struct worker_conf_stream {
int cpu_id;
char name[32];
char type[32];
struct list_head port_list;
struct list_head worker_list_node;
};
static struct list_head port_list; /* device configurations from cfgfile */
static struct list_head bond_list; /* bonding configurations from cfgfile */
static struct list_head worker_list; /* lcore configurations from cfgfile */
#define NETIF_PORT_TABLE_BITS 8
#define NETIF_PORT_TABLE_BUCKETS (1 << NETIF_PORT_TABLE_BITS)
#define NETIF_PORT_TABLE_MASK (NETIF_PORT_TABLE_BUCKETS - 1)
static struct list_head port_tab[NETIF_PORT_TABLE_BUCKETS]; /* hashed by id */
static struct list_head port_ntab[NETIF_PORT_TABLE_BUCKETS]; /* hashed by name */
/* Note: Lockless, NIC can only be registered on initialization stage and
* unregistered on cleanup stage
*/
static inline struct port_conf_stream *get_port_conf_stream(const char *name)
{
struct port_conf_stream *current_cfg;
list_for_each_entry(current_cfg, &port_list, port_list_node) {
if (!strcmp(name, current_cfg->name))
return current_cfg;
}
return NULL;
}
static void netif_defs_handler(vector_t tokens)
{
struct port_conf_stream *port_cfg, *port_cfg_next;
struct bond_conf_stream *bond_cfg, *bond_cfg_next;
list_for_each_entry_safe(port_cfg, port_cfg_next, &port_list, port_list_node) {
list_del(&port_cfg->port_list_node);
rte_free(port_cfg);
}
list_for_each_entry_safe(bond_cfg, bond_cfg_next, &bond_list, bond_list_node) {
list_del(&bond_cfg->bond_list_node);
rte_free(bond_cfg);
}
}
static void pktpool_size_handler(vector_t tokens)
{
char *str = set_value(tokens);
int pktpool_size;
assert(str);
pktpool_size = atoi(str);
if (pktpool_size < NETIF_PKTPOOL_NB_MBUF_MIN ||
pktpool_size > NETIF_PKTPOOL_NB_MBUF_MAX) {
RTE_LOG(WARNING, NETIF, "invalid pktpool_size %s, using default %d\n",
str, NETIF_PKTPOOL_NB_MBUF_DEF);
netif_pktpool_nb_mbuf = NETIF_PKTPOOL_NB_MBUF_DEF;
} else {
is_power2(pktpool_size, 1, &pktpool_size);
RTE_LOG(INFO, NETIF, "pktpool_size = %d (round to 2^n-1)\n", pktpool_size - 1);
netif_pktpool_nb_mbuf = pktpool_size - 1;
}
FREE_PTR(str);
}
static void pktpool_cache_handler(vector_t tokens)
{
char *str = set_value(tokens);
int cache_size;
assert(str);
cache_size = atoi(str);
if (cache_size < NETIF_PKTPOOL_MBUF_CACHE_MIN ||
cache_size > NETIF_PKTPOOL_MBUF_CACHE_MAX) {
RTE_LOG(WARNING, NETIF, "invalid pktpool_cache_size %s, using default %d\n",
str, NETIF_PKTPOOL_MBUF_CACHE_DEF);
netif_pktpool_mbuf_cache = NETIF_PKTPOOL_MBUF_CACHE_DEF;
} else {
is_power2(cache_size, 0, &cache_size);
RTE_LOG(INFO, NETIF, "pktpool_cache_size = %d (round to 2^n)\n", cache_size);
netif_pktpool_mbuf_cache = cache_size;
}
FREE_PTR(str);
}
static void device_handler(vector_t tokens)
{
assert(VECTOR_SIZE(tokens) >= 1);
char *str;
struct port_conf_stream *port_cfg =
rte_zmalloc(NULL, sizeof(struct port_conf_stream), RTE_CACHE_LINE_SIZE);
if (!port_cfg) {
RTE_LOG(ERR, NETIF, "%s: no memory\n", __func__);
return;
}
port_cfg->port_id = -1;
str = VECTOR_SLOT(tokens, 1);
RTE_LOG(INFO, NETIF, "netif device config: %s\n", str);
strncpy(port_cfg->name, str, sizeof(port_cfg->name));
port_cfg->rx_queue_nb = -1;
port_cfg->tx_queue_nb = -1;
port_cfg->rx_desc_nb = NETIF_NB_RX_DESC_DEF;
port_cfg->tx_desc_nb = NETIF_NB_TX_DESC_DEF;
port_cfg->promisc_mode = false;
strncpy(port_cfg->rss, "tcp", sizeof(port_cfg->rss));
list_add(&port_cfg->port_list_node, &port_list);
}
static void rx_queue_number_handler(vector_t tokens)
{
char *str = set_value(tokens);
int rx_queues;
struct port_conf_stream *current_device = list_entry(port_list.next,
struct port_conf_stream, port_list_node);
assert(str);
rx_queues = atoi(str);
if (rx_queues < 0 || rx_queues > NETIF_MAX_QUEUES) {
RTE_LOG(WARNING, NETIF, "invalid %s:rx_queue_number %s, using default %d\n",
current_device->name, str, NETIF_MAX_QUEUES);
current_device->rx_queue_nb = NETIF_MAX_QUEUES;
} else {
RTE_LOG(WARNING, NETIF, "%s:rx_queue_number = %d\n",
current_device->name, rx_queues);
current_device->rx_queue_nb = rx_queues;
}
FREE_PTR(str);
}
static void rx_desc_nb_handler(vector_t tokens)
{
char *str = set_value(tokens);
int desc_nb;
struct port_conf_stream *current_device = list_entry(port_list.next,
struct port_conf_stream, port_list_node);
assert(str);
desc_nb = atoi(str);
if (desc_nb < NETIF_NB_RX_DESC_MIN || desc_nb > NETIF_NB_RX_DESC_MAX) {
RTE_LOG(WARNING, NETIF, "invalid %s:nb_rx_desc %s, using default %d\n",
current_device->name, str, NETIF_NB_RX_DESC_DEF);
current_device->rx_desc_nb = NETIF_NB_RX_DESC_DEF;
} else {
is_power2(desc_nb, 0, &desc_nb);
RTE_LOG(INFO, NETIF, "%s:nb_rx_desc = %d (round to 2^n)\n",
current_device->name, desc_nb);
current_device->tx_desc_nb = desc_nb;
}
FREE_PTR(str);
}
static void rss_handler(vector_t tokens)
{
char *str = set_value(tokens);
struct port_conf_stream *current_device = list_entry(port_list.next,
struct port_conf_stream, port_list_node);
assert(str);
if (!strcmp(str, "tcp") || !strcmp(str, "ip")) {
RTE_LOG(INFO, NETIF, "%s:rss = %s\n", current_device->name, str);
strncpy(current_device->rss, str, sizeof(current_device->rss));
} else {
RTE_LOG(WARNING, NETIF, "invalid %s:rss %s, using default rss_tcp\n",
current_device->name, str);
strncpy(current_device->rss, "tcp", sizeof(current_device->rss));
}
FREE_PTR(str);
}
static void tx_queue_number_handler(vector_t tokens)
{
char *str = set_value(tokens);
int tx_queues;
struct port_conf_stream *current_device = list_entry(port_list.next,
struct port_conf_stream, port_list_node);
assert(str);
tx_queues = atoi(str);
if (tx_queues < 0 || tx_queues > NETIF_MAX_QUEUES) {
RTE_LOG(WARNING, NETIF, "invalid %s:tx_queue_number %s, using default %d\n",
current_device->name, str, NETIF_MAX_QUEUES);
current_device->tx_queue_nb = NETIF_MAX_QUEUES;
} else {
RTE_LOG(INFO, NETIF, "%s:tx_queue_number = %d\n",
current_device->name, tx_queues);
current_device->tx_queue_nb = tx_queues;
}
FREE_PTR(str);
}
static void tx_desc_nb_handler(vector_t tokens)
{
char *str = set_value(tokens);
int desc_nb;
struct port_conf_stream *current_device = list_entry(port_list.next,
struct port_conf_stream, port_list_node);
assert(str);
desc_nb = atoi(str);
if (desc_nb < NETIF_NB_TX_DESC_MIN || desc_nb > NETIF_NB_TX_DESC_MAX) {
RTE_LOG(WARNING, NETIF, "invalid nb_tx_desc %s, using default %d\n",
str, NETIF_NB_TX_DESC_DEF);
current_device->tx_desc_nb = NETIF_NB_TX_DESC_DEF;
//netif_nb_tx_desc = NETIF_NB_TX_DESC_DEF;
} else {
is_power2(desc_nb, 0, &desc_nb);
RTE_LOG(INFO, NETIF, "%s:nb_tx_desc = %d (round to 2^n)\n",
current_device->name, desc_nb);
current_device->tx_desc_nb = NETIF_NB_TX_DESC_DEF;
//netif_nb_tx_desc = desc_nb;
}
FREE_PTR(str);
}
static void promisc_mode_handler(vector_t tokens)
{
struct port_conf_stream *current_device = list_entry(port_list.next,
struct port_conf_stream, port_list_node);
current_device->promisc_mode = true;
}
static void kni_name_handler(vector_t tokens)
{
char *str = set_value(tokens);
struct port_conf_stream *current_device = list_entry(port_list.next,
struct port_conf_stream, port_list_node);
assert(str);
RTE_LOG(INFO, NETIF, "%s: kni_name = %s\n",current_device->name, str);
strncpy(current_device->kni_name, str, sizeof(current_device->kni_name));
FREE_PTR(str);
}
static void bonding_handler(vector_t tokens)
{
assert(VECTOR_SIZE(tokens) >= 1);
char *str;
struct bond_conf_stream *bond_cfg =
rte_zmalloc(NULL, sizeof(struct bond_conf_stream), RTE_CACHE_LINE_SIZE);
if (!bond_cfg) {
RTE_LOG(ERR, NETIF, "%s: no memory\n", __func__);
return;
}
bond_cfg->port_id = -1;
str = VECTOR_SLOT(tokens, 1);
RTE_LOG(INFO, NETIF, "netif bonding config: %s\n", str);
strncpy(bond_cfg->name, str, sizeof(bond_cfg->name));
bond_cfg->mode = NETIF_BOND_MODE_DEF;
list_add(&bond_cfg->bond_list_node, &bond_list);
}
static void bonding_mode_handler(vector_t tokens)
{
char *str = set_value(tokens);
int mode;
struct bond_conf_stream *current_bond = list_entry(bond_list.next,
struct bond_conf_stream, bond_list_node);
assert(str);
mode = atoi(str);
switch (mode) {
case BONDING_MODE_ROUND_ROBIN:
case BONDING_MODE_ACTIVE_BACKUP:
case BONDING_MODE_BALANCE:
case BONDING_MODE_BROADCAST:
case BONDING_MODE_8023AD:
case BONDING_MODE_TLB:
case BONDING_MODE_ALB:
RTE_LOG(INFO, NETIF, "bonding %s:mode=%d\n", current_bond->name, mode);
current_bond->mode = mode;
break;
default:
RTE_LOG(WARNING, NETIF, "invalid bonding %s:mode %d, using default %d\n",
current_bond->name, mode, NETIF_BOND_MODE_DEF);
current_bond->mode = NETIF_BOND_MODE_DEF;
}
FREE_PTR(str);
}
static void bonding_slave_handler(vector_t tokens)
{
int ii;
char *str = set_value(tokens);
struct bond_conf_stream *current_bond = list_entry(bond_list.next,
struct bond_conf_stream, bond_list_node);
assert(str);
if (get_port_conf_stream(str)) {
for (ii = 0; ii < NETIF_MAX_BOND_SLAVES; ii++) {
if (ii >= NETIF_MAX_BOND_SLAVES) {
RTE_LOG(ERR, NETIF, "bonding %s's slaves exceed maximum supported: %d",
current_bond->name, NETIF_MAX_BOND_SLAVES);
break;
}
if (!current_bond->slaves[ii][0]) {
strncpy(current_bond->slaves[ii], str, sizeof(current_bond->slaves[ii]));
RTE_LOG(INFO, NETIF, "bonding %s:slave%d=%s\n", current_bond->name, ii, str);
break;
}
}
} else {
RTE_LOG(ERR, NETIF, "invalid bonding %s:salve %s, skip ...\n",
current_bond->name, str);
}
FREE_PTR(str);
}
static void bonding_primary_handler(vector_t tokens)
{
char *str = set_value(tokens);
struct bond_conf_stream *current_bond = list_entry(bond_list.next,
struct bond_conf_stream, bond_list_node);
assert(str);
if (get_port_conf_stream(str)) {
RTE_LOG(INFO, NETIF, "bonding %s:primary=%s\n", current_bond->name, str);
strncpy(current_bond->primary, str, sizeof(current_bond->primary));
} else {
RTE_LOG(WARNING, NETIF, "invalid bonding %s:primary %s, skip ...\n",
current_bond->name, str);
}
FREE_PTR(str);
}
static void bonding_kni_name_handler(vector_t tokens)
{
char *str = set_value(tokens);
struct bond_conf_stream *current_bond = list_entry(bond_list.next,
struct bond_conf_stream, bond_list_node);
assert(str);
RTE_LOG(INFO, NETIF, "bonding %s:kni_name=%s\n", current_bond->name, str);
strncpy(current_bond->kni_name, str, sizeof(current_bond->kni_name));
FREE_PTR(str);
}
static void worker_defs_handler(vector_t tokens)
{
struct worker_conf_stream *worker_cfg, *worker_cfg_next;
struct queue_conf_stream *queue_cfg, *queue_cfg_next;
list_for_each_entry_safe(worker_cfg, worker_cfg_next, &worker_list,
worker_list_node) {
list_del(&worker_cfg->worker_list_node);
list_for_each_entry_safe(queue_cfg, queue_cfg_next, &worker_cfg->port_list,
queue_list_node) {
list_del(&queue_cfg->queue_list_node);
rte_free(queue_cfg);
}
rte_free(worker_cfg);
}
}
static void worker_handler(vector_t tokens)
{
assert(VECTOR_SIZE(tokens) >= 1);
char *str;
struct worker_conf_stream *worker_cfg = rte_malloc(NULL,
sizeof(struct worker_conf_stream), RTE_CACHE_LINE_SIZE);
if (!worker_cfg) {
RTE_LOG(ERR, NETIF, "%s: no memory\n", __func__);
return;
}
INIT_LIST_HEAD(&worker_cfg->port_list);
str = VECTOR_SLOT(tokens, 1);
RTE_LOG(INFO, NETIF, "netif worker config: %s\n", str);
strncpy(worker_cfg->name, str, sizeof(worker_cfg->name));
list_add(&worker_cfg->worker_list_node, &worker_list);
}
static void worker_type_handler(vector_t tokens)
{
char *str = set_value(tokens);
struct worker_conf_stream *current_worker = list_entry(worker_list.next,
struct worker_conf_stream, worker_list_node);
assert(str);
if (!strcmp(str, "master") || !strcmp(str, "slave")) {
RTE_LOG(INFO, NETIF, "%s:type = %s\n", current_worker->name, str);
strncpy(current_worker->type, str, sizeof(current_worker->type));
} else {
RTE_LOG(WARNING, NETIF, "invalid %s:type %s, using default %s\n",
current_worker->name, str, "slave");
strncpy(current_worker->type, "slave", sizeof(current_worker->type));
}
FREE_PTR(str);
}
static void cpu_id_handler(vector_t tokens)
{
char *str = set_value(tokens);
int cpu_id;
struct worker_conf_stream *current_worker = list_entry(worker_list.next,
struct worker_conf_stream, worker_list_node);
assert(str);
if (strspn(str, "0123456789") != strlen(str)) {
RTE_LOG(WARNING, NETIF, "invalid %s:cpu_id %s, using default 0\n",
current_worker->name, str);
current_worker->cpu_id = 0;
} else {
cpu_id = atoi(str);
RTE_LOG(INFO, NETIF, "%s:cpu_id = %d\n", current_worker->name, cpu_id);
current_worker->cpu_id = cpu_id;
}
FREE_PTR(str);
}
static void worker_port_handler(vector_t tokens)
{
assert(VECTOR_SIZE(tokens) >= 1);
char *str;
int ii;
struct worker_conf_stream *current_worker = list_entry(worker_list.next,
struct worker_conf_stream, worker_list_node);
struct queue_conf_stream *queue_cfg = rte_malloc(NULL,
sizeof(struct queue_conf_stream), RTE_CACHE_LINE_SIZE);
if (!queue_cfg) {
RTE_LOG(ERR, NETIF, "%s: no memory\n", __func__);
return;
}
for (ii = 0; ii < NETIF_MAX_QUEUES; ii++)
queue_cfg->isol_rxq_lcore_ids[ii] = NETIF_LCORE_ID_INVALID;
queue_cfg->isol_rxq_ring_sz = NETIF_ISOL_RXQ_RING_SZ_DEF;
str = VECTOR_SLOT(tokens, 1);
RTE_LOG(INFO, NETIF, "worker %s:%s queue config\n", current_worker->name, str);
strncpy(queue_cfg->port_name, str, sizeof(queue_cfg->port_name));
list_add(&queue_cfg->queue_list_node, ¤t_worker->port_list);
}
static void rx_queue_ids_handler(vector_t tokens)
{
int ii, qid;
char *str;
struct worker_conf_stream *current_worker = list_entry(worker_list.next,
struct worker_conf_stream, worker_list_node);
struct queue_conf_stream *current_port = list_entry(current_worker->port_list.next,
struct queue_conf_stream, queue_list_node);
for (ii = 0; ii < VECTOR_SIZE(tokens) - 1; ii++) {
str = VECTOR_SLOT(tokens, ii + 1);
qid = atoi(str);
if (qid < 0 || qid >= NETIF_MAX_QUEUES) {
RTE_LOG(WARNING, NETIF, "invalid worker %s:%s rx_queue_id %s, using "
"default 0\n", current_worker->name, current_port->port_name, str);
current_port->rx_queues[ii] = 0; /* using default worker config array */
} else {
RTE_LOG(WARNING, NETIF, "worker %s:%s rx_queue_id += %d\n",
current_worker->name, current_port->port_name, qid);
current_port->rx_queues[ii] = qid;
}
}
for ( ; ii < NETIF_MAX_QUEUES; ii++) /* unused space */
current_port->rx_queues[ii] = NETIF_MAX_QUEUES;
}
static void tx_queue_ids_handler(vector_t tokens)
{
int ii, qid;
char *str;
struct worker_conf_stream *current_worker = list_entry(worker_list.next,
struct worker_conf_stream, worker_list_node);
struct queue_conf_stream *current_port = list_entry(current_worker->port_list.next,
struct queue_conf_stream, queue_list_node);
for (ii = 0; ii < VECTOR_SIZE(tokens) - 1; ii++) {
str = VECTOR_SLOT(tokens, ii + 1);
qid = atoi(str);
if (qid < 0 || qid >= NETIF_MAX_QUEUES) {
RTE_LOG(WARNING, NETIF, "invalid worker %s:%s tx_queue_id %s, uisng "
"default 0\n", current_worker->name, current_port->port_name, str);
current_port->tx_queues[ii] = 0; /* using default worker config array */
} else {
RTE_LOG(WARNING, NETIF, "worker %s:%s tx_queue_id += %d\n",
current_worker->name, current_port->port_name, qid);
current_port->tx_queues[ii] = qid;
}
}
for ( ; ii < NETIF_MAX_QUEUES; ii++) /* unused space */
current_port->tx_queues[ii] = NETIF_MAX_QUEUES;
}
static void isol_rx_cpu_ids_handler(vector_t tokens)
{
int ii, cid;
char *str = set_value(tokens);
struct worker_conf_stream *current_worker = list_entry(worker_list.next,
struct worker_conf_stream, worker_list_node);
struct queue_conf_stream *current_port = list_entry(current_worker->port_list.next,
struct queue_conf_stream, queue_list_node);
for (ii = 0; ii < VECTOR_SIZE(tokens) - 1; ii++) {
str = VECTOR_SLOT(tokens, ii + 1);
cid = atoi(str);
if (cid <= 0 || cid >= NETIF_MAX_LCORES) {
RTE_LOG(WARNING, NETIF, "invalid worker %s:%s:isol_rx_cpu_ids[%d] %s\n",
current_worker->name, current_port->port_name, ii, str);
current_port->isol_rxq_lcore_ids[ii] = NETIF_LCORE_ID_INVALID;
} else {
RTE_LOG(INFO, NETIF, "worker %s:%s:isol_rx_cpu_ids[%d] = %d\n",
current_worker->name, current_port->port_name, ii, cid);
current_port->isol_rxq_lcore_ids[ii] = cid;
}
}
}
static void isol_rxq_ring_sz_handler(vector_t tokens)
{
int isol_rxq_ring_sz;
char *str = set_value(tokens);
struct worker_conf_stream *current_worker = list_entry(worker_list.next,
struct worker_conf_stream, worker_list_node);
struct queue_conf_stream *current_port = list_entry(current_worker->port_list.next,
struct queue_conf_stream, queue_list_node);
assert(str);
if (strspn(str, "0123456789") != strlen(str)) {
RTE_LOG(WARNING, NETIF, "invalid worker %s:%s:isol_rxq_ring_sz %s,"
" using default %d\n", current_worker->name, current_port->port_name,
str, NETIF_ISOL_RXQ_RING_SZ_DEF);
current_port->isol_rxq_ring_sz = NETIF_ISOL_RXQ_RING_SZ_DEF;
} else {
isol_rxq_ring_sz = atoi(str);
RTE_LOG(INFO, NETIF, "worker %s:%s:isol_rxq_ring_sz = %d\n",
current_worker->name, current_port->port_name, isol_rxq_ring_sz);
current_port->isol_rxq_ring_sz = isol_rxq_ring_sz;
}
FREE_PTR(str);
}
void netif_keyword_value_init(void)
{
if (dpvs_state_get() == DPVS_STATE_INIT) {
/* KW_TYPE_INIT keyword */
netif_pktpool_nb_mbuf = NETIF_PKTPOOL_NB_MBUF_DEF;
netif_pktpool_mbuf_cache = NETIF_PKTPOOL_MBUF_CACHE_DEF;
}
/* KW_TYPE_NORMAL keyword */
}
void install_netif_keywords(void)
{
install_keyword_root("netif_defs", netif_defs_handler);
install_keyword("pktpool_size", pktpool_size_handler, KW_TYPE_INIT);
install_keyword("pktpool_cache", pktpool_cache_handler, KW_TYPE_INIT);
install_keyword("device", device_handler, KW_TYPE_INIT);
install_sublevel();
install_keyword("rx", NULL, KW_TYPE_INIT);
install_sublevel();
install_keyword("queue_number", rx_queue_number_handler, KW_TYPE_INIT);
install_keyword("descriptor_number", rx_desc_nb_handler, KW_TYPE_INIT);
install_keyword("rss", rss_handler, KW_TYPE_INIT);
install_sublevel_end();
install_keyword("tx", NULL, KW_TYPE_INIT);
install_sublevel();
install_keyword("queue_number", tx_queue_number_handler, KW_TYPE_INIT);
install_keyword("descriptor_number", tx_desc_nb_handler, KW_TYPE_INIT);
install_sublevel_end();
install_keyword("promisc_mode", promisc_mode_handler, KW_TYPE_INIT);
install_keyword("kni_name", kni_name_handler, KW_TYPE_INIT);
install_sublevel_end();
install_keyword("bonding", bonding_handler, KW_TYPE_INIT);
install_sublevel();
install_keyword("mode", bonding_mode_handler, KW_TYPE_INIT);
install_keyword("slave", bonding_slave_handler, KW_TYPE_INIT);
install_keyword("primary", bonding_primary_handler, KW_TYPE_INIT);
install_keyword("kni_name", bonding_kni_name_handler, KW_TYPE_INIT);
install_sublevel_end();
install_keyword_root("worker_defs", worker_defs_handler);
install_keyword("worker", worker_handler, KW_TYPE_INIT);
install_sublevel();
install_keyword("type", worker_type_handler, KW_TYPE_INIT);
install_keyword("cpu_id", cpu_id_handler, KW_TYPE_INIT);
install_keyword("port", worker_port_handler, KW_TYPE_INIT);
install_sublevel();
install_keyword("rx_queue_ids", rx_queue_ids_handler, KW_TYPE_INIT);
install_keyword("tx_queue_ids", tx_queue_ids_handler, KW_TYPE_INIT);
install_keyword("isol_rx_cpu_ids", isol_rx_cpu_ids_handler, KW_TYPE_INIT);
install_keyword("isol_rxq_ring_sz", isol_rxq_ring_sz_handler, KW_TYPE_INIT);
install_sublevel_end();
install_sublevel_end();
}
void netif_cfgfile_init(void)
{
INIT_LIST_HEAD(&port_list);
INIT_LIST_HEAD(&bond_list);
INIT_LIST_HEAD(&worker_list);
}
static void netif_cfgfile_term(void)
{
struct port_conf_stream *port_cfg, *port_cfg_next;
struct bond_conf_stream *bond_cfg, *bond_cfg_next;
struct worker_conf_stream *worker_cfg, *worker_cfg_next;
struct queue_conf_stream *queue_cfg, *queue_cfg_next;
list_for_each_entry_safe(port_cfg, port_cfg_next, &port_list, port_list_node) {
list_del(&port_cfg->port_list_node);
rte_free(port_cfg);
}
list_for_each_entry_safe(bond_cfg, bond_cfg_next, &bond_list, bond_list_node) {
list_del(&bond_cfg->bond_list_node);
rte_free(bond_cfg);
}
list_for_each_entry_safe(worker_cfg, worker_cfg_next, &worker_list,
worker_list_node) {
list_del(&worker_cfg->worker_list_node);
list_for_each_entry_safe(queue_cfg, queue_cfg_next, &worker_cfg->port_list,
queue_list_node) {
list_del(&queue_cfg->queue_list_node);
rte_free(queue_cfg);
}
rte_free(worker_cfg);
}
}
#ifdef CONFIG_DPVS_NETIF_DEBUG
#include <arpa/inet.h>
#include <netinet/in.h>
static inline int parse_ether_hdr(struct rte_mbuf *mbuf, uint16_t port, uint16_t queue) {
struct ether_hdr *eth_hdr;
char saddr[18], daddr[18];
eth_hdr = rte_pktmbuf_mtod(mbuf, struct ether_hdr *);
ether_format_addr(saddr, sizeof(saddr), ð_hdr->s_addr);
ether_format_addr(daddr, sizeof(daddr), ð_hdr->d_addr);
RTE_LOG(INFO, NETIF, "[%s] lcore=%u port=%u queue=%u ethtype=%0x saddr=%s daddr=%s\n",
__func__, rte_lcore_id(), port, queue, rte_be_to_cpu_16(eth_hdr->ether_type),
saddr, daddr);
return EDPVS_OK;
}
static inline int is_ipv4_pkt_valid(struct ipv4_hdr *iph, uint32_t link_len)
{
if (((iph->version_ihl) >> 4) != 4)
return EDPVS_INVAL;
if ((iph->version_ihl & 0xf) < 5)
return EDPVS_INVAL;
if (rte_cpu_to_be_16(iph->total_length) < sizeof(struct ipv4_hdr))
return EDPVS_INVAL;
return EDPVS_OK;
}
static void parse_ipv4_hdr(struct rte_mbuf *mbuf, uint16_t port, uint16_t queue)
{
char saddr[16], daddr[16];
uint16_t lcore;
struct ipv4_hdr *iph;
struct udp_hdr *uh;
iph = rte_pktmbuf_mtod_offset(mbuf, struct ipv4_hdr *, sizeof(struct ether_hdr));
if (is_ipv4_pkt_valid(iph, mbuf->pkt_len) < 0)
return;
uh = rte_pktmbuf_mtod_offset(mbuf, struct udp_hdr *, sizeof(struct ether_hdr) +
(IPV4_HDR_IHL_MASK & iph->version_ihl) * sizeof(uint32_t));
lcore = rte_lcore_id();
if (!inet_ntop(AF_INET, &iph->src_addr, saddr, sizeof(saddr)))
return;
if (!inet_ntop(AF_INET, &iph->dst_addr, daddr, sizeof(daddr)))
return;
RTE_LOG(INFO, NETIF, "[%s] lcore=%u port=%u queue=%u ipv4_hl=%u tos=%u tot=%u "
"id=%u ttl=%u prot=%u src=%s dst=%s sport=%04x|%u dport=%04x|%u\n",
__func__, lcore, port, queue, IPV4_HDR_IHL_MASK & iph->version_ihl,
iph->type_of_service, ntohs(iph->total_length),
ntohs(iph->packet_id), iph->time_to_live, iph->next_proto_id, saddr, daddr,
uh->src_port, ntohs(uh->src_port), uh->dst_port, ntohs(uh->dst_port));
return;
}
__rte_unused static void pkt_send_back(struct rte_mbuf *mbuf, struct netif_port *port)
{
struct ether_hdr *ehdr;
struct ether_addr eaddr;
ehdr = rte_pktmbuf_mtod(mbuf, struct ether_hdr*);
ether_addr_copy(&ehdr->s_addr, &eaddr);
ether_addr_copy(&ehdr->d_addr, &ehdr->s_addr);
ether_addr_copy(&eaddr, &ehdr->d_addr);
netif_xmit(mbuf, port);
}
#endif
/********************************************* mbufpool *******************************************/
static struct rte_mempool *pktmbuf_pool[NETIF_MAX_SOCKETS];
static inline void netif_pktmbuf_pool_init(void)
{
int i;
char poolname[32];
for (i = 0; i < NETIF_MAX_SOCKETS; i++) {
snprintf(poolname, sizeof(poolname), "mbuf_pool_%d", i);
pktmbuf_pool[i] = rte_pktmbuf_pool_create(poolname, netif_pktpool_nb_mbuf,
netif_pktpool_mbuf_cache, 0, RTE_MBUF_DEFAULT_BUF_SIZE, i);
if (!pktmbuf_pool[i])
rte_exit(EXIT_FAILURE, "Cannot init mbuf pool on socket %d", i);
}
}
/******************************************* pkt-type *********************************************/
#define NETIF_PKT_TYPE_TABLE_BITS 8
#define NETIF_PKT_TYPE_TABLE_BUCKETS (1 << NETIF_PKT_TYPE_TABLE_BITS)
#define NETIF_PKT_TYPE_TABLE_MASK (NETIF_PKT_TYPE_TABLE_BUCKETS - 1)
/* Note: Lockless. pkt_type can only be registered on initialization stage,
* and unregistered on cleanup stage. Otherwise uncertain behavior may arise.
*/
static struct list_head pkt_type_tab[NETIF_PKT_TYPE_TABLE_BUCKETS];
static inline int pkt_type_tab_hashkey(uint16_t type)
{
return type & NETIF_PKT_TYPE_TABLE_MASK;
}
static inline void netif_pkt_type_tab_init(void)
{
int i;
for (i = 0; i < NETIF_PKT_TYPE_TABLE_MASK; i++)
INIT_LIST_HEAD(&pkt_type_tab[i]);
}
int netif_register_pkt(struct pkt_type *pt)
{
struct pkt_type *cur;
int hash;
if (unlikely(NULL == pt))
return EDPVS_INVAL;
hash = pkt_type_tab_hashkey(pt->type);
list_for_each_entry(cur, &pkt_type_tab[hash], list) {
if (cur->type == pt->type) {
return EDPVS_EXIST;
}
}
list_add_tail(&pt->list, &pkt_type_tab[hash]);
return EDPVS_OK;
}
int netif_unregister_pkt(struct pkt_type *pt)
{
struct pkt_type *cur;
int hash;
if (unlikely(NULL == pt))
return EDPVS_INVAL;
hash = pkt_type_tab_hashkey(pt->type);
list_for_each_entry(cur, &pkt_type_tab[hash], list) {
if (cur->type == pt->type) {
list_del_init(&pt->list);
return EDPVS_OK;
}
}
return EDPVS_NOTEXIST;
}
static struct pkt_type *pkt_type_get(uint16_t type, struct netif_port *port)
{
struct pkt_type *pt;
int hash;
hash = pkt_type_tab_hashkey(type);
list_for_each_entry(pt, &pkt_type_tab[hash], list) {
if (pt->type == type && ((pt->port == NULL) || pt->port == port)) {
return pt;
}
}
return NULL;
}
/****************************************** lcore job *********************************************/
/* Note: lockless, lcore_job can only be register on initialization stage and
* unregistered on cleanup stage.
*/
struct list_head netif_lcore_jobs[NETIF_LCORE_JOB_TYPE_MAX];
static inline void netif_lcore_jobs_init(void)
{
int ii;
for (ii = 0; ii < NETIF_LCORE_JOB_TYPE_MAX; ii++) {
INIT_LIST_HEAD(&netif_lcore_jobs[ii]);
}
}
int netif_lcore_loop_job_register(struct netif_lcore_loop_job *lcore_job)
{
struct netif_lcore_loop_job *cur;
if (unlikely(NULL == lcore_job))
return EDPVS_INVAL;
list_for_each_entry(cur, &netif_lcore_jobs[lcore_job->type], list) {
if (cur == lcore_job) {
return EDPVS_EXIST;
}
}
if (unlikely(NETIF_LCORE_JOB_SLOW == lcore_job->type && lcore_job->skip_loops <= 0))
return EDPVS_INVAL;
list_add_tail(&lcore_job->list, &netif_lcore_jobs[lcore_job->type]);
return EDPVS_OK;
}
int netif_lcore_loop_job_unregister(struct netif_lcore_loop_job *lcore_job)
{
struct netif_lcore_loop_job *cur;
if (unlikely(NULL == lcore_job))
return EDPVS_INVAL;
list_for_each_entry(cur, &netif_lcore_jobs[lcore_job->type], list) {
if (cur == lcore_job) {
list_del_init(&cur->list);
return EDPVS_OK;
}
}
return EDPVS_NOTEXIST;
}
/*************************** function declared for kni ********************************************/
static void kni_ingress(struct rte_mbuf *mbuf, struct netif_port *dev,
struct netif_queue_conf *qconf);
static void kni_send2kern_loop(uint8_t port_id, struct netif_queue_conf *qconf);
/****************************************** lcore conf ********************************************/
/* per-lcore statistics */
static struct netif_lcore_stats lcore_stats[NETIF_MAX_LCORES];
/* per-lcore isolated reception queues */
static struct list_head isol_rxq_tab[NETIF_MAX_LCORES];
/* worker configuration array */
static struct netif_lcore_conf lcore_conf[NETIF_MAX_LCORES + 1];
/* Note: Lockless, lcore_conf is set on initialization stage by cfgfile /etc/dpvs.conf.
config sample:
static struct netif_lcore_conf lcore_conf[NETIF_MAX_LCORES + 1] = {
{.id = 1, .nports = 2, .pqs = {
{.id = 0, .nrxq = 1, .ntxq = 1, .rxqs = {{.id = 0, }, }, .txqs = {{.id = 0, }, }, },
{.id = 1, .nrxq = 0, .ntxq = 1, .txqs = {{.id = 0, }, }, }, },
},
{.id = 2, .nports = 2, .pqs = {
{.id = 0, .nrxq = 1, .ntxq = 1, .rxqs = {{.id = 1, }, }, .txqs = {{.id = 1, }, }, },
{.id = 1, .nrxq = 1, .ntxq = 2, .rxqs = {{.id = 0, }, }, .txqs = {{.id = 1, }, {.id = 4, }}, }, },
},
{.id = 3, .nports = 2, .pqs = {
{.id = 0, .nrxq = 2, .ntxq = 1, .rxqs = {{.id = 2, }, {.id = 3, }, }, .txqs = {{.id = 2, }, }, },
{.id = 1, .nrxq = 1, .ntxq = 2, .rxqs = {{.id = 1, }, }, .txqs = {{.id = 2, }, {.id = 3, }, }, }, },
},
};
*/
static int isol_rxq_add(lcoreid_t cid, portid_t pid, queueid_t qid,