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netif.c
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/*
* DPVS is a software load balancer (Virtual Server) based on DPDK.
*
* Copyright (C) 2021 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 <netinet/ip.h>
#include <sys/ioctl.h>
#include <linux/netlink.h>
#include <linux/rtnetlink.h>
#include <net/if.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include "conf/common.h"
#include "dpdk.h"
#include "netif.h"
#include "netif_addr.h"
#include "conf/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"
#include "neigh.h"
#include "scheduler.h"
#include "netif_flow.h"
#include "linux_if.h"
#include "ipvs/redirect.h"
#ifdef CONFIG_ICMP_REDIRECT_CORE
#include "icmp.h"
#endif
#define NETIF_PKTPOOL_NB_MBUF_DEF 65535
#define NETIF_PKTPOOL_NB_MBUF_MIN 1023
#define NETIF_PKTPOOL_NB_MBUF_MAX 134217727
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
int netif_pktpool_mbuf_cache = NETIF_PKTPOOL_MBUF_CACHE_DEF;
#define NETIF_NB_RX_DESC_DEF 256
#define NETIF_NB_RX_DESC_MIN 16
#define NETIF_NB_RX_DESC_MAX 8192
#define NETIF_NB_TX_DESC_DEF 512
#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
#define ARP_RING_SIZE 2048
#define RETA_CONF_SIZE (RTE_ETH_RSS_RETA_SIZE_512 / RTE_ETH_RETA_GROUP_SIZE)
/* 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 uint16_t g_nports;
/*for arp process*/
static struct rte_ring *arp_ring[DPVS_MAX_LCORE];
/* use fuzzy match instead of perfect match, refer to dpdk:rte_flow_item_fuzzy */
static int flow_fuzzy_match = 0;
#define NETIF_BOND_MODE_DEF BONDING_MODE_ROUND_ROBIN
#define NETIF_BOND_NUMA_NODE_DEF 0
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 mtu;
int tx_queue_nb;
int tx_desc_nb;
bool tx_mbuf_fast_free;
bool promisc_mode;
bool allmulticast;
struct list_head port_list_node;
};
struct bond_options {
bool dedicated_queues_enable;
};
struct bond_conf_stream {
int port_id;
char name[32];
char kni_name[32];
int mode;
int numa_node;
char primary[32];
char slaves[NETIF_MAX_BOND_SLAVES][32];
struct bond_options options;
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
*/
#define NETIF_CTRL_BUFFER_LEN 4096
/* function declarations */
static void kni_lcore_loop(void *dummy);
bool netif_flow_fuzzy_match(void)
{
return !!flow_fuzzy_match;
};
bool is_physical_port(portid_t pid)
{
return pid >= phy_pid_base && pid < phy_pid_end;
}
bool is_bond_port(portid_t pid)
{
return pid >= bond_pid_base && pid < bond_pid_end;
}
void netif_physical_port_range(portid_t *start, portid_t *end)
{
if (start)
*start = phy_pid_base;
if (end)
*end = phy_pid_end;
}
void netif_bond_port_range(portid_t *start, portid_t *end)
{
if (start)
*start = bond_pid_base;
if (end)
*end = bond_pid_end;
}
bool is_lcore_id_valid(lcoreid_t cid)
{
if (unlikely(cid >= DPVS_MAX_LCORE))
return false;
return ((cid == rte_get_main_lcore()) ||
(cid == g_kni_lcore_id) ||
(g_slave_lcore_mask & (1L << cid)) ||
(g_isol_rx_lcore_mask & (1L << cid)));
}
static bool is_lcore_id_fwd(lcoreid_t cid)
{
if (unlikely(cid >= DPVS_MAX_LCORE))
return false;
return ((cid == rte_get_main_lcore()) ||
(g_slave_lcore_mask & (1L << cid)));
}
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 fdir_mode_handler(vector_t tokens)
{
char *mode, *str = set_value(tokens);
assert(str);
mode = strlwr(str);
if (!strncmp(mode, "perfect", sizeof("perfect")))
flow_fuzzy_match = 0;
else if (!strncmp(mode, "signature", sizeof("signature")))
flow_fuzzy_match = 1;
else {
RTE_LOG(WARNING, NETIF, "invalid fdir_mode %s, using default %s\n",
mode, "perfect");
flow_fuzzy_match = 0;
}
RTE_LOG(INFO, NETIF, "fdir_mode = %s\n", mode);
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->tx_mbuf_fast_free = true;
port_cfg->mtu = NETIF_DEFAULT_ETH_MTU;
port_cfg->promisc_mode = false;
port_cfg->allmulticast = 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->rx_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, "all") || !strcmp(str, "ip") || !strcmp(str, "tcp") || !strcmp(str, "udp")
|| !strcmp(str, "sctp") || !strcmp(str, "ether") || !strcmp(str, "port") || !strcmp(str, "tunnel")
|| (strstr(str, "|") && str[0] != '|')) {
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;
} 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 = desc_nb;
}
FREE_PTR(str);
}
static void tx_mbuf_fast_free_handler(vector_t tokens)
{
int val = -1;
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 (!strcasecmp(str, "off"))
val = 0;
else if (!strcasecmp(str, "on"))
val = 1;
if (val < 0) {
RTE_LOG(WARNING, NETIF, "invalid %s:tx_mbuf_fast_free, using default ON\n",
current_device->name);
current_device->tx_mbuf_fast_free = true;
} else {
current_device->tx_mbuf_fast_free = !!val;
RTE_LOG(INFO, NETIF, "%s:tx_mbuf_fast_free = %s\n", current_device->name, str);
}
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 allmulticast_handler(vector_t tokens)
{
struct port_conf_stream *current_device = list_entry(port_list.next,
struct port_conf_stream, port_list_node);
current_device->allmulticast = true;
}
static void custom_mtu_handler(vector_t tokens)
{
char *str = set_value(tokens);
int mtu = 0;
struct port_conf_stream *current_device = list_entry(port_list.next,
struct port_conf_stream, port_list_node);
assert(str);
mtu = atoi(str);
if (mtu <= 0 || mtu > NETIF_MAX_ETH_MTU) {
RTE_LOG(WARNING, NETIF, "invalid %s:MTU %s, using default %d\n",
current_device->name, str, NETIF_DEFAULT_ETH_MTU);
current_device->mtu= NETIF_DEFAULT_ETH_MTU;
} else {
RTE_LOG(INFO, NETIF, "%s:mtu = %d\n",
current_device->name, mtu);
current_device->mtu = mtu;
}
FREE_PTR(str);
}
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;
bond_cfg->numa_node = NETIF_BOND_NUMA_NODE_DEF;
bond_cfg->options.dedicated_queues_enable = true;
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 (!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_numa_node_handler(vector_t tokens)
{
char *str = set_value(tokens);
int numa_node;
struct bond_conf_stream *current_bond = list_entry(bond_list.next,
struct bond_conf_stream, bond_list_node);
assert(str);
numa_node = atoi(str);
if (numa_node >= get_numa_nodes()) {
RTE_LOG(WARNING, NETIF, "invalid bonding %s:numa_node %d, using default %d\n",
current_bond->name, numa_node, NETIF_BOND_NUMA_NODE_DEF);
current_bond->mode = NETIF_BOND_NUMA_NODE_DEF;
} else {
RTE_LOG(INFO, NETIF, "bonding %s:numa_node=%d\n", current_bond->name, numa_node);
current_bond->numa_node = numa_node;
}
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 inline char * get_bonding_option_value(char *token)
{
char *ptr, *saveptr = NULL, *ret = token;
if (!token)
return NULL;
for (ptr = token; ret == token; ptr = NULL)
ret = strtok_r(ptr, "=", &saveptr);
return ret;
}
static void bonding_options_handler(vector_t tokens)
{
char *str;
char *opt, *val, *ptr, *saveptr = NULL;
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 options: %s\n", current_bond->name, str);
for (ptr = str; ;ptr = NULL) {
opt = strtok_r(ptr, ";", &saveptr);
if (opt == NULL)
break;
val = get_bonding_option_value(opt);
if (!strcmp(opt, "dedicated_queues")) {
if (current_bond->mode != BONDING_MODE_8023AD || !val) {
RTE_LOG(WARNING, NETIF, "invalid bonding %s mode 4 option: %s, value: %s\n",
current_bond->name, opt, val ?: "null");
continue;
}
if (!strcasecmp(val, "on") || !strcasecmp(val, "enable"))
current_bond->options.dedicated_queues_enable = true;
else if (!strcasecmp(val, "off") || !strcasecmp(val, "disable"))
current_bond->options.dedicated_queues_enable = false;
else
RTE_LOG(WARNING, NETIF, "invalid bonding %s option value: %s=%s\n",
current_bond->name, opt, val);
} else {
RTE_LOG(WARNING, NETIF, "unsupported bonding %s option: %s\n",
current_bond->name, opt);
}
}
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")
|| !strcmp(str, "kni")) {
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;
if (!strcmp(current_worker->type, "kni"))
g_kni_lcore_id = cpu_id;
}
FREE_PTR(str);
}
#ifdef CONFIG_ICMP_REDIRECT_CORE
static void cpu_icmp_redirect_handler(vector_t tokens)
{
struct worker_conf_stream *current_worker = list_entry(worker_list.next,
struct worker_conf_stream, worker_list_node);
RTE_LOG(INFO, NETIF, "%s(%d) used to redirect icmp packets\n",
current_worker->name, current_worker->cpu_id);
g_icmp_redirect_lcore_id = current_worker->cpu_id;
}
#endif
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->tx_queues[ii] = NETIF_MAX_QUEUES;
queue_cfg->rx_queues[ii] = NETIF_MAX_QUEUES;
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 >= DPVS_MAX_LCORE) {
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;
flow_fuzzy_match = 0;
}
/* 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("fdir_mode", fdir_mode_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_keyword("mbuf_fast_free", tx_mbuf_fast_free_handler, KW_TYPE_INIT);
install_sublevel_end();
install_keyword("promisc_mode", promisc_mode_handler, KW_TYPE_INIT);
install_keyword("allmulticast", allmulticast_handler, KW_TYPE_INIT);
install_keyword("mtu", custom_mtu_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("numa_node", bonding_numa_node_handler, KW_TYPE_INIT);
install_keyword("kni_name", bonding_kni_name_handler, KW_TYPE_INIT);
install_keyword("options", bonding_options_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);
#ifdef CONFIG_ICMP_REDIRECT_CORE
install_keyword("icmp_redirect_core", cpu_icmp_redirect_handler, KW_TYPE_INIT);
#endif
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);