Add tool: sysctl.
This commit contains an ipc library implemented by dpdk rte_ring and sysctl tool ported from FreeBSD. With this commit we can get and set FreeBSD kernel state in runtime.dev
logwang
parent
7d25ffc210
commit
7abd0fb2a9
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@ -33,7 +33,7 @@ CORE_LIBS+=" -g -Wl,--no-as-needed -fvisibility=default -pthread -lm -lrt"
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CORE_LIBS+=" -Wl,--whole-archive -lrte_pmd_vmxnet3_uio -lrte_pmd_i40e -lrte_pmd_ixgbe -lrte_pmd_e1000 -lrte_pmd_ring"
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CORE_LIBS+=" -Wl,--whole-archive -lrte_hash -lrte_kvargs -Wl,-lrte_mbuf -lethdev -lrte_eal -Wl,-lrte_mempool"
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CORE_LIBS+=" -lrte_ring -lrte_cmdline -lrte_cfgfile -lrte_kni -lrte_timer -Wl,-lrte_pmd_virtio"
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CORE_LIBS+=" -Wl,--no-whole-archive -lrt -lm -ldl -lm -lcrypto"
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CORE_LIBS+=" -Wl,--no-whole-archive -lrt -lm -ldl -lcrypto"
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cat << END > $NGX_MAKEFILE
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@ -1,9 +1,19 @@
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TOPDIR=..
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ifeq ($(FF_PATH),)
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FF_PATH=${TOPDIR}
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endif
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ifeq ($(FF_DPDK),)
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FF_DPDK=${TOPDIR}/dpdk/x86_64-native-linuxapp-gcc
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endif
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LIBS+= -L${FF_PATH}/lib -L${FF_DPDK}/lib -Wl,--whole-archive,-lfstack,--no-whole-archive
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LIBS+= -g -Wl,--no-as-needed -fvisibility=default -pthread -lm -lrt
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LIBS+= -Wl,--whole-archive -lrte_pmd_vmxnet3_uio -lrte_pmd_i40e -lrte_pmd_ixgbe -lrte_pmd_e1000 -lrte_pmd_ring
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LIBS+= -Wl,--whole-archive -lrte_hash -lrte_kvargs -Wl,-lrte_mbuf -lethdev -lrte_eal -Wl,-lrte_mempool
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LIBS+= -lrte_ring -lrte_cmdline -lrte_cfgfile -lrte_kni -lrte_timer -Wl,-lrte_pmd_virtio
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LIBS+= -Wl,--no-whole-archive -lrt -lm -ldl -lm -lcrypto
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LIBS+= -Wl,--no-whole-archive -lrt -lm -ldl -lcrypto
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TARGET="helloworld"
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all:
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163
lib/ff_dpdk_if.c
163
lib/ff_dpdk_if.c
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@ -55,11 +55,15 @@
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#include "ff_config.h"
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#include "ff_veth.h"
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#include "ff_host_interface.h"
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#include "ff_msg.h"
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#include "ff_api.h"
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#define MEMPOOL_CACHE_SIZE 256
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#define ARP_RING_SIZE 2048
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#define MSG_RING_SIZE 32
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/*
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* Configurable number of RX/TX ring descriptors
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*/
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@ -153,6 +157,16 @@ static struct rte_mempool *pktmbuf_pool[NB_SOCKETS];
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static struct rte_ring **arp_ring[RTE_MAX_LCORE];
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struct ff_msg_ring {
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char ring_name[2][RTE_RING_NAMESIZE];
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/* ring[0] for lcore recv msg, other send */
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/* ring[1] for lcore send msg, other read */
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struct rte_ring *ring[2];
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} __rte_cache_aligned;
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static struct ff_msg_ring msg_ring[RTE_MAX_LCORE];
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static struct rte_mempool *message_pool;
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struct ff_dpdk_if_context {
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void *sc;
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void *ifp;
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@ -441,6 +455,25 @@ init_mem_pool(void)
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return 0;
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}
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static struct rte_ring *
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create_ring(const char *name, unsigned count, int socket_id, unsigned flags)
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{
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struct rte_ring *ring;
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if (name == NULL)
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return NULL;
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/* If already create, just attached it */
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if (likely((ring = rte_ring_lookup(name)) != NULL))
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return ring;
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if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
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return rte_ring_create(name, count, socket_id, flags);
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} else {
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return rte_ring_lookup(name);
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}
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}
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static int
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init_arp_ring(void)
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{
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@ -472,21 +505,14 @@ init_arp_ring(void)
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uint8_t port_id = ff_global_cfg.dpdk.port_cfgs[j].port_id;
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for(i = 0; i < nb_procs; ++i) {
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snprintf(name_buf, RTE_RING_NAMESIZE, "ring_%d_%d", i, port_id);
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if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
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arp_ring[i][port_id] = rte_ring_create(name_buf,
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ARP_RING_SIZE, socketid,
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RING_F_SC_DEQ);
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if (rte_ring_lookup(name_buf) != arp_ring[i][port_id])
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rte_panic("lookup arp ring:%s failed!\n", name_buf);
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} else {
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arp_ring[i][port_id] = rte_ring_lookup(name_buf);
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}
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snprintf(name_buf, RTE_RING_NAMESIZE, "arp_ring_%d_%d", i, port_id);
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arp_ring[i][port_id] = create_ring(name_buf, ARP_RING_SIZE,
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socketid, RING_F_SC_DEQ);
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if (arp_ring[i][port_id] == NULL)
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rte_panic("create arp ring::%s failed!\n", name_buf);
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rte_panic("create ring:%s failed!\n", name_buf);
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printf("create arp ring:%s success, %u ring entries are now free!\n",
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printf("create ring:%s success, %u ring entries are now free!\n",
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name_buf, rte_ring_free_count(arp_ring[i][port_id]));
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}
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}
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@ -494,6 +520,58 @@ init_arp_ring(void)
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return 0;
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}
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static void
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ff_msg_init(struct rte_mempool *mp,
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__attribute__((unused)) void *opaque_arg,
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void *obj, __attribute__((unused)) unsigned i)
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{
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struct ff_msg *msg = (struct ff_msg *)obj;
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msg->buf_addr = (char *)msg + sizeof(struct ff_msg);
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msg->buf_len = mp->elt_size - sizeof(struct ff_msg);
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}
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static int
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init_msg_ring(void)
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{
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uint16_t i;
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uint16_t nb_procs = ff_global_cfg.dpdk.nb_procs;
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unsigned socketid = lcore_conf.socket_id;
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/* Create message buffer pool */
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if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
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message_pool = rte_mempool_create(FF_MSG_POOL,
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MSG_RING_SIZE * 2 * nb_procs,
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MAX_MSG_BUF_SIZE, MSG_RING_SIZE / 2, 0,
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NULL, NULL, ff_msg_init, NULL,
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socketid, 0);
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} else {
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message_pool = rte_mempool_lookup(FF_MSG_POOL);
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}
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if (message_pool == NULL) {
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rte_panic("Create msg mempool failed\n");
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}
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for(i = 0; i < nb_procs; ++i) {
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snprintf(msg_ring[i].ring_name[0], RTE_RING_NAMESIZE,
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"%s%u", FF_MSG_RING_IN, i);
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snprintf(msg_ring[i].ring_name[1], RTE_RING_NAMESIZE,
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"%s%u", FF_MSG_RING_OUT, i);
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msg_ring[i].ring[0] = create_ring(msg_ring[i].ring_name[0],
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MSG_RING_SIZE, socketid, RING_F_SP_ENQ | RING_F_SC_DEQ);
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if (msg_ring[i].ring[0] == NULL)
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rte_panic("create ring::%s failed!\n", msg_ring[i].ring_name[0]);
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msg_ring[i].ring[1] = create_ring(msg_ring[i].ring_name[1],
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MSG_RING_SIZE, socketid, RING_F_SP_ENQ | RING_F_SC_DEQ);
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if (msg_ring[i].ring[1] == NULL)
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rte_panic("create ring::%s failed!\n", msg_ring[i].ring_name[0]);
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}
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return 0;
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}
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static int
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init_kni(void)
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{
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@ -730,6 +808,8 @@ ff_dpdk_init(int argc, char **argv)
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init_arp_ring();
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init_msg_ring();
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enable_kni = ff_global_cfg.kni.enable;
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if (enable_kni) {
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init_kni();
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@ -872,12 +952,61 @@ process_arp_ring(uint8_t port_id, uint16_t queue_id,
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struct rte_mbuf **pkts_burst, const struct ff_dpdk_if_context *ctx)
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{
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/* read packet from ring buf and to process */
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uint16_t nb_tx;
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nb_tx = rte_ring_dequeue_burst(arp_ring[queue_id][port_id],
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uint16_t nb_rb;
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nb_rb = rte_ring_dequeue_burst(arp_ring[queue_id][port_id],
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(void **)pkts_burst, MAX_PKT_BURST);
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if(nb_tx > 0) {
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process_packets(port_id, queue_id, pkts_burst, nb_tx, ctx, 1);
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if(nb_rb > 0) {
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process_packets(port_id, queue_id, pkts_burst, nb_rb, ctx, 1);
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}
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return 0;
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}
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static inline void
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handle_sysctl_msg(struct ff_msg *msg, uint16_t proc_id)
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{
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int ret = ff_sysctl(msg->sysctl.name, msg->sysctl.namelen,
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msg->sysctl.old, msg->sysctl.oldlenp, msg->sysctl.new,
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msg->sysctl.newlen);
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if (ret < 0) {
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msg->result = errno;
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} else {
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msg->result = 0;
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}
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rte_ring_enqueue(msg_ring[proc_id].ring[1], msg);
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}
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static inline void
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handle_default_msg(struct ff_msg *msg, uint16_t proc_id)
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{
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msg->result = EINVAL;
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rte_ring_enqueue(msg_ring[proc_id].ring[1], msg);
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}
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static inline void
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handle_msg(struct ff_msg *msg, uint16_t proc_id)
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{
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switch (msg->msg_type) {
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case FF_SYSCTL:
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handle_sysctl_msg(msg, proc_id);
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break;
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default:
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handle_default_msg(msg, proc_id);
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break;
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}
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}
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static inline int
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process_msg_ring(uint16_t proc_id)
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{
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void *msg;
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int ret = rte_ring_dequeue(msg_ring[proc_id].ring[0], &msg);
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if (unlikely(ret == 0)) {
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handle_msg((struct ff_msg *)msg, proc_id);
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}
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return 0;
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@ -1104,6 +1233,8 @@ main_loop(void *arg)
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}
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}
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process_msg_ring(qconf->proc_id);
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if (likely(lr->loop != NULL)) {
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lr->loop(lr->arg);
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}
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@ -383,6 +383,9 @@ ff_kni_alloc(uint8_t port_id, unsigned socket_id,
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if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
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kni_rp[port_id] = rte_ring_create(ring_name, KNI_QUEUE_SIZE,
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socket_id, RING_F_SC_DEQ);
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if (rte_ring_lookup(ring_name) != kni_rp[port_id])
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rte_panic("lookup kni ring failed!\n");
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} else {
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kni_rp[port_id] = rte_ring_lookup(ring_name);
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}
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@ -390,9 +393,6 @@ ff_kni_alloc(uint8_t port_id, unsigned socket_id,
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if (kni_rp[port_id] == NULL)
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rte_panic("create kni ring failed!\n");
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if (rte_ring_lookup(ring_name) != kni_rp[port_id])
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rte_panic("lookup kni ring failed!\n");
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printf("create kni ring success, %u ring entries are now free!\n",
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rte_ring_free_count(kni_rp[port_id]));
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}
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@ -0,0 +1,68 @@
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/*
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* Copyright (C) 2017 THL A29 Limited, a Tencent company.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#ifndef _FF_MSG_H_
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#define _FF_MSG_H_
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#include <rte_memory.h>
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#define FF_MSG_RING_IN "ff_msg_ring_in_"
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#define FF_MSG_RING_OUT "ff_msg_ring_out_"
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#define FF_MSG_POOL "ff_msg_pool"
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/* MSG TYPE: sysctl, sysctlbyname, etc.. */
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enum FF_MSG_TYPE {
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FF_UNKNOWN = 0,
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FF_SYSCTL,
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};
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struct ff_sysctl_args {
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int *name;
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unsigned namelen;
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void *old;
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size_t *oldlenp;
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void *new;
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size_t newlen;
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};
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#define MAX_MSG_BUF_SIZE 10240
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/* structure of ipc msg */
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struct ff_msg {
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enum FF_MSG_TYPE msg_type;
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/* Result of msg processing */
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int result;
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/* Length of segment buffer. */
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uint16_t buf_len;
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/* Address of segment buffer. */
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char *buf_addr;
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union {
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struct ff_sysctl_args sysctl;
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};
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} __attribute__((packed)) __rte_cache_aligned;
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#endif
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@ -0,0 +1,7 @@
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SUBDIRS=ipc sysctl
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all:
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for d in $(SUBDIRS); do ( cd $$d; $(MAKE) all ) ; done
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clean:
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for d in $(SUBDIRS); do ( cd $$d; $(MAKE) clean ) ; done
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@ -0,0 +1,120 @@
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# Introduction
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Directory `ipc` implements an ipc library using dpdk `rte_ring`, can be used to communicate with F-Stack processes.
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All other directories are useful tools ported from FreeBSD.
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# ipc
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This is a simple implemention using dpdk `rte_ring`.
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`ff_ipc_msg_alloc` get msg structure from rte_mempool.
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`ff_ipc_msg_free` put msg to rte_mempool.
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`ff_ipc_send` enqueue msg to rte_ring.
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`ff_ipc_recv` dequeue msg from rte_ring.
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Since F-Stack is multi-process architecture and every process has an independent stack, so we must communicate with every F-Stack process.
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# sysctl
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Usage:
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`sysctl -p <f-stack proc_id> [-bdehiNnoqTtWx] [ -B <bufsize> ] [-f filename] name[=value] ...`
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`sysctl -p <f-stack proc_id> [-bdehNnoqTtWx] [ -B <bufsize> ] -a`
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-p Which F-Stack process to communicate with, default 0.
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Except this option, it is same with the original FreeBSD sysctl, see [Manual page](https://www.freebsd.org/cgi/man.cgi?sysctl).
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# how to implement a custom tool for communicating with F-Stack process
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Add a new FF_MSG_TYPE in ff_msg.h:
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```
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enum FF_MSG_TYPE {
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FF_UNKNOWN = 0,
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FF_SYSCTL,
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FF_HELLOWORLD,
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};
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```
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Define a structure used to communicate:
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```
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struct ff_helloworld_args {
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void *request;
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size_t req_len;
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void *reply;
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size_t rep_len;
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};
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```
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Note that, when using struct ff_helloworld_args, pointers in this structure must point to the addresses range from ff_msg.buf_addr and ff_msg.buf_addr+ff_msg.buf_len, ff_msg.buf_len is (10240 - sizeof(struct ff_msg)).
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And add it to ff_msg:
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```
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struct ff_msg {
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...
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union {
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struct ff_sysctl_args sysctl;
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struct ff_helloworld_args helloworld;
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};
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};
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```
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Modify ff_dpdk_if.c, add a handle function:
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```
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static inline void
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handle_helloworld_msg(struct ff_msg *msg, uint16_t proc_id)
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{
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printf("helloworld msg recved.\n");
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msg->result = 0;
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rte_ring_enqueue(msg_ring[proc_id].ring[1], msg);
|
||||
}
|
||||
|
||||
static inline void
|
||||
handle_msg(struct ff_msg *msg, uint16_t proc_id)
|
||||
{
|
||||
switch (msg->msg_type) {
|
||||
case FF_SYSCTL:
|
||||
handle_sysctl_msg(msg, proc_id);
|
||||
break;
|
||||
case FF_HELLOWORLD:
|
||||
handle_helloworld_msg(msg, proc_id);
|
||||
default:
|
||||
handle_default_msg(msg, proc_id);
|
||||
break;
|
||||
}
|
||||
}
|
||||
```
|
||||
|
||||
Create helloworld.c:
|
||||
|
||||
```
|
||||
int main()
|
||||
{
|
||||
struct ff_msg *msg = ff_ipc_msg_alloc();
|
||||
|
||||
char *buf = msg->buf_addr;
|
||||
|
||||
msg->helloworld.request = buf;
|
||||
memcpy(msg->helloworld.request, "hello", 5);
|
||||
msg->helloworld.req_len = 5;
|
||||
buf += 5;
|
||||
|
||||
msg->helloworld.reply = buf;
|
||||
msg->helloworld.rep_len = 10;
|
||||
|
||||
ff_ipc_send(msg, 0);
|
||||
|
||||
struct ff_msg *retmsg;
|
||||
ff_ipc_recv(retmsg, 0);
|
||||
assert(remsg==msg);
|
||||
|
||||
ff_ipc_msg_free(msg);
|
||||
}
|
||||
|
||||
```
|
||||
|
||||
The Makefile may like this:
|
||||
```
|
||||
TOPDIR?=${CURDIR}/../..
|
||||
|
||||
PROG=helloworld
|
||||
|
||||
include ${TOPDIR}/tools/prog.mk
|
||||
```
|
||||
|
|
@ -0,0 +1,32 @@
|
|||
TOPDIR?=${CURDIR}/../..
|
||||
|
||||
ifeq ($(FF_DPDK),)
|
||||
FF_DPDK=${TOPDIR}/dpdk/x86_64-native-linuxapp-gcc
|
||||
endif
|
||||
|
||||
TARGET=libfstack_ipc.a
|
||||
|
||||
DPDK_CFLAGS= -g -Wall -Werror -include ${FF_DPDK}/include/rte_config.h
|
||||
DPDK_CFLAGS+= -march=native -DRTE_MACHINE_CPUFLAG_SSE -DRTE_MACHINE_CPUFLAG_SSE2 -DRTE_MACHINE_CPUFLAG_SSE3
|
||||
DPDK_CFLAGS+= -DRTE_MACHINE_CPUFLAG_SSSE3 -DRTE_MACHINE_CPUFLAG_SSE4_1 -DRTE_MACHINE_CPUFLAG_SSE4_2
|
||||
DPDK_CFLAGS+= -DRTE_COMPILE_TIME_CPUFLAGS=RTE_CPUFLAG_SSE,RTE_CPUFLAG_SSE2,RTE_CPUFLAG_SSE3,RTE_CPUFLAG_SSSE3,RTE_CPUFLAG_SSE4_1,RTE_CPUFLAG_SSE4_2
|
||||
DPDK_CFLAGS+= -I${FF_DPDK}/include
|
||||
|
||||
CFLAGS+= ${DPDK_CFLAGS}
|
||||
CFLAGS+= -I${TOPDIR}/lib
|
||||
|
||||
SRCS=ff_ipc.c
|
||||
OBJS=$(patsubst %.c,%.o,${SRCS})
|
||||
|
||||
all: ${TARGET}
|
||||
|
||||
${TARGET}: ${OBJS}
|
||||
ar -cqs $@ ${OBJS}
|
||||
|
||||
${OBJS}: %.o: %.c
|
||||
${CC} -c $< ${CFLAGS} -o $@
|
||||
|
||||
|
||||
.PHONY: clean
|
||||
clean:
|
||||
rm -f *.o ${TARGET}
|
||||
|
|
@ -0,0 +1,161 @@
|
|||
/*
|
||||
* Copyright (C) 2017 THL A29 Limited, a Tencent company.
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions are met:
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright notice, this
|
||||
* list of conditions and the following disclaimer.
|
||||
* 2. 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.
|
||||
*
|
||||
* 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 <rte_common.h>
|
||||
#include <rte_memory.h>
|
||||
#include <rte_config.h>
|
||||
#include <rte_eal.h>
|
||||
#include <rte_ring.h>
|
||||
#include <rte_mempool.h>
|
||||
#include <rte_malloc.h>
|
||||
#include <unistd.h>
|
||||
|
||||
#include "ff_ipc.h"
|
||||
|
||||
static int inited;
|
||||
|
||||
static struct rte_mempool *message_pool;
|
||||
|
||||
static int
|
||||
ff_ipc_init(void)
|
||||
{
|
||||
if (inited) {
|
||||
return 0;
|
||||
}
|
||||
|
||||
char *dpdk_argv[] = {
|
||||
"-c1", "-n4",
|
||||
"--proc-type=secondary",
|
||||
"--log-level=0",
|
||||
};
|
||||
|
||||
int ret = rte_eal_init(sizeof(dpdk_argv)/sizeof(dpdk_argv[0]), dpdk_argv);
|
||||
if (ret < 0) {
|
||||
rte_exit(EXIT_FAILURE, "Error with EAL initialization\n");
|
||||
}
|
||||
|
||||
message_pool = rte_mempool_lookup(FF_MSG_POOL);
|
||||
if (message_pool == NULL) {
|
||||
rte_exit(EXIT_FAILURE, "lookup message pool:%s failed!\n", FF_MSG_POOL);
|
||||
}
|
||||
|
||||
inited = 1;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
struct ff_msg *
|
||||
ff_ipc_msg_alloc(void)
|
||||
{
|
||||
if (inited == 0) {
|
||||
int ret = ff_ipc_init();
|
||||
if (ret < 0) {
|
||||
return NULL;
|
||||
}
|
||||
}
|
||||
|
||||
void *msg;
|
||||
if (rte_mempool_get(message_pool, &msg) < 0) {
|
||||
printf("get buffer from message pool failed.\n");
|
||||
return NULL;
|
||||
}
|
||||
|
||||
return (struct ff_msg *)msg;
|
||||
}
|
||||
|
||||
int
|
||||
ff_ipc_msg_free(struct ff_msg *msg)
|
||||
{
|
||||
if (inited == 0) {
|
||||
printf("ff ipc not inited\n");
|
||||
return -1;
|
||||
}
|
||||
|
||||
rte_mempool_put(message_pool, msg);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int
|
||||
ff_ipc_send(const struct ff_msg *msg, uint16_t proc_id)
|
||||
{
|
||||
int ret;
|
||||
|
||||
if (inited == 0) {
|
||||
printf("ff ipc not inited\n");
|
||||
return -1;
|
||||
}
|
||||
|
||||
char name[RTE_RING_NAMESIZE];
|
||||
snprintf(name, RTE_RING_NAMESIZE, "%s%u",
|
||||
FF_MSG_RING_IN, proc_id);
|
||||
struct rte_ring *ring = rte_ring_lookup(name);
|
||||
if (ring == NULL) {
|
||||
printf("lookup message ring:%s failed!\n", name);
|
||||
return -1;
|
||||
}
|
||||
|
||||
ret = rte_ring_enqueue(ring, (void *)msg);
|
||||
if (ret < 0) {
|
||||
printf("ff_ipc_send failed\n");
|
||||
return ret;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int
|
||||
ff_ipc_recv(struct ff_msg **msg, uint16_t proc_id)
|
||||
{
|
||||
int ret, i;
|
||||
if (inited == 0) {
|
||||
printf("ff ipc not inited\n");
|
||||
return -1;
|
||||
}
|
||||
|
||||
char name[RTE_RING_NAMESIZE];
|
||||
snprintf(name, RTE_RING_NAMESIZE, "%s%u",
|
||||
FF_MSG_RING_OUT, proc_id);
|
||||
struct rte_ring *ring = rte_ring_lookup(name);
|
||||
if (ring == NULL) {
|
||||
printf("lookup message ring:%s failed!\n", name);
|
||||
return -1;
|
||||
}
|
||||
|
||||
void *obj;
|
||||
#define MAX_ATTEMPTS_NUM 1000
|
||||
for (i = 0; i < MAX_ATTEMPTS_NUM; i++) {
|
||||
ret = rte_ring_dequeue(ring, &obj);
|
||||
if (ret == 0) {
|
||||
*msg = (struct ff_msg *)obj;
|
||||
break;
|
||||
}
|
||||
|
||||
usleep(1000);
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
|
@ -0,0 +1,38 @@
|
|||
/*
|
||||
* Copyright (C) 2017 THL A29 Limited, a Tencent company.
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions are met:
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright notice, this
|
||||
* list of conditions and the following disclaimer.
|
||||
* 2. 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.
|
||||
*
|
||||
* 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 _FF_IPC_H_
|
||||
#define _FF_IPC_H_
|
||||
|
||||
#include "ff_msg.h"
|
||||
|
||||
struct ff_msg *ff_ipc_msg_alloc(void);
|
||||
int ff_ipc_msg_free(struct ff_msg *msg);
|
||||
|
||||
int ff_ipc_send(const struct ff_msg *msg, uint16_t proc_id);
|
||||
int ff_ipc_recv(struct ff_msg **msg, uint16_t proc_id);
|
||||
|
||||
#endif
|
||||
|
|
@ -0,0 +1,71 @@
|
|||
#
|
||||
# Derived from FreeBSD src/share/mk/bsd.prog.mk
|
||||
#
|
||||
|
||||
ifdef DEBUG_FLAGS
|
||||
CFLAGS+=${DEBUG_FLAGS}
|
||||
CXXFLAGS+=${DEBUG_FLAGS}
|
||||
endif
|
||||
|
||||
ifdef NO_SHARED
|
||||
ifneq (${NO_SHARED},no)
|
||||
ifneq (${NO_SHARED},NO)
|
||||
LDFLAGS+= -static
|
||||
endif
|
||||
endif
|
||||
endif
|
||||
|
||||
ifdef PROG_CXX
|
||||
PROG= ${PROG_CXX}
|
||||
endif
|
||||
|
||||
ifndef PROG
|
||||
$(error PROG or PROG_CXX must be defined.)
|
||||
endif
|
||||
|
||||
ifndef TOPDIR
|
||||
$(error TOPDIR must be defined.)
|
||||
endif
|
||||
|
||||
ifndef SRCS
|
||||
ifdef PROG_CXX
|
||||
SRCS= ${PROG}.cc
|
||||
else
|
||||
SRCS= ${PROG}.c
|
||||
endif
|
||||
endif
|
||||
|
||||
OBJS+= $(patsubst %.cc,%.o,$(patsubst %.c,%.o,${SRCS}))
|
||||
|
||||
ifeq ($(FF_DPDK),)
|
||||
FF_DPDK=${TOPDIR}/dpdk/x86_64-native-linuxapp-gcc
|
||||
endif
|
||||
|
||||
FF_PROG_CFLAGS:= -g -Wall -Werror -DFSTACK
|
||||
FF_PROG_CFLAGS+= -I${TOPDIR}/lib -I${TOPDIR}/tools/ipc
|
||||
FF_PROG_CFLAGS+= -include ${FF_DPDK}/include/rte_config.h
|
||||
FF_PROG_CFLAGS+= -I${FF_DPDK}/include
|
||||
|
||||
FF_PROG_LIBS:= -L${TOPDIR}/tools/ipc -lfstack_ipc
|
||||
FF_PROG_LIBS+= -L${FF_DPDK}/lib
|
||||
FF_PROG_LIBS+= -g -Wl,--no-as-needed -fvisibility=default -pthread -lm -lrt
|
||||
FF_PROG_LIBS+= -Wl,--whole-archive -lrte_eal -Wl,-lrte_mempool -lrte_ring
|
||||
FF_PROG_LIBS+= -Wl,--no-whole-archive -lrt -lm -ldl -lcrypto
|
||||
|
||||
CFLAGS+= ${FF_PROG_CFLAGS}
|
||||
CXXFLAGS+= ${FF_PROG_CFLAGS}
|
||||
|
||||
LIBS+= ${FF_PROG_LIBS}
|
||||
|
||||
${PROG}: ${OBJS}
|
||||
ifdef PROG_CXX
|
||||
${CXX} ${CXXFLAGS} ${LDFLAGS} -o $@ ${OBJS} ${LIBS}
|
||||
else
|
||||
${CC} ${CFLAGS} ${LDFLAGS} -o $@ ${OBJS} ${LIBS}
|
||||
endif
|
||||
|
||||
|
||||
clean:
|
||||
@rm -f ${PROG} ${OBJS}
|
||||
|
||||
all: ${PROG}
|
||||
|
|
@ -0,0 +1,5 @@
|
|||
TOPDIR?=${CURDIR}/../..
|
||||
|
||||
PROG=sysctl
|
||||
|
||||
include ${TOPDIR}/tools/prog.mk
|
||||
|
|
@ -0,0 +1,326 @@
|
|||
.\" Copyright (c) 1993
|
||||
.\" The Regents of the University of California. All rights reserved.
|
||||
.\"
|
||||
.\" Redistribution and use in source and binary forms, with or without
|
||||
.\" modification, are permitted provided that the following conditions
|
||||
.\" are met:
|
||||
.\" 1. Redistributions of source code must retain the above copyright
|
||||
.\" notice, this list of conditions and the following disclaimer.
|
||||
.\" 2. 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.
|
||||
.\" 4. Neither the name of the University 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 REGENTS 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 REGENTS 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.
|
||||
.\"
|
||||
.\" From: @(#)sysctl.8 8.1 (Berkeley) 6/6/93
|
||||
.\" $FreeBSD$
|
||||
.\"
|
||||
.Dd December 10, 2015
|
||||
.Dt SYSCTL 8
|
||||
.Os
|
||||
.Sh NAME
|
||||
.Nm sysctl
|
||||
.Nd get or set kernel state
|
||||
.Sh SYNOPSIS
|
||||
.Nm
|
||||
.Op Fl bdehiNnoRTtqx
|
||||
.Op Fl B Ar bufsize
|
||||
.Op Fl f Ar filename
|
||||
.Ar name Ns Op = Ns Ar value
|
||||
.Ar ...
|
||||
.Nm
|
||||
.Op Fl bdehNnoRTtqx
|
||||
.Op Fl B Ar bufsize
|
||||
.Fl a
|
||||
.Sh DESCRIPTION
|
||||
The
|
||||
.Nm
|
||||
utility retrieves kernel state and allows processes with appropriate
|
||||
privilege to set kernel state.
|
||||
The state to be retrieved or set is described using a
|
||||
.Dq Management Information Base
|
||||
.Pq Dq MIB
|
||||
style name, described as a dotted set of
|
||||
components.
|
||||
.Pp
|
||||
The following options are available:
|
||||
.Bl -tag -width indent
|
||||
.It Fl A
|
||||
Equivalent to
|
||||
.Fl o a
|
||||
(for compatibility).
|
||||
.It Fl a
|
||||
List all the currently available non-opaque values.
|
||||
This option is ignored if one or more variable names are specified on
|
||||
the command line.
|
||||
.It Fl b
|
||||
Force the value of the variable(s) to be output in raw, binary format.
|
||||
No names are printed and no terminating newlines are output.
|
||||
This is mostly useful with a single variable.
|
||||
.It Fl B Ar bufsize
|
||||
Set the buffer size to read from the
|
||||
.Nm
|
||||
to
|
||||
.Ar bufsize .
|
||||
This is necessary for a
|
||||
.Nm
|
||||
that has variable length, and the probe value of 0 is a valid length, such as
|
||||
.Va kern.arandom .
|
||||
.It Fl d
|
||||
Print the description of the variable instead of its value.
|
||||
.It Fl e
|
||||
Separate the name and the value of the variable(s) with
|
||||
.Ql = .
|
||||
This is useful for producing output which can be fed back to the
|
||||
.Nm
|
||||
utility.
|
||||
This option is ignored if either
|
||||
.Fl N
|
||||
or
|
||||
.Fl n
|
||||
is specified, or a variable is being set.
|
||||
.It Fl f Ar filename
|
||||
Specify a file which contains a pair of name and value in each line.
|
||||
.Nm
|
||||
reads and processes the specified file first and then processes the name
|
||||
and value pairs in the command line argument.
|
||||
.It Fl h
|
||||
Format output for human, rather than machine, readability.
|
||||
.It Fl i
|
||||
Ignore unknown OIDs.
|
||||
The purpose is to make use of
|
||||
.Nm
|
||||
for collecting data from a variety of machines (not all of which
|
||||
are necessarily running exactly the same software) easier.
|
||||
.It Fl N
|
||||
Show only variable names, not their values.
|
||||
This is particularly useful with shells that offer programmable
|
||||
completion.
|
||||
To enable completion of variable names in
|
||||
.Xr zsh 1 Pq Pa ports/shells/zsh ,
|
||||
use the following code:
|
||||
.Bd -literal -offset indent
|
||||
listsysctls () { set -A reply $(sysctl -AN ${1%.*}) }
|
||||
compctl -K listsysctls sysctl
|
||||
.Ed
|
||||
.Pp
|
||||
To enable completion of variable names in
|
||||
.Xr tcsh 1 ,
|
||||
use:
|
||||
.Pp
|
||||
.Dl "complete sysctl 'n/*/`sysctl -Na`/'"
|
||||
.It Fl n
|
||||
Show only variable values, not their names.
|
||||
This option is useful for setting shell variables.
|
||||
For instance, to save the pagesize in variable
|
||||
.Va psize ,
|
||||
use:
|
||||
.Pp
|
||||
.Dl "set psize=`sysctl -n hw.pagesize`"
|
||||
.It Fl o
|
||||
Show opaque variables (which are normally suppressed).
|
||||
The format and length are printed, as well as a hex dump of the first
|
||||
sixteen bytes of the value.
|
||||
.It Fl q
|
||||
Suppress some warnings generated by
|
||||
.Nm
|
||||
to standard error.
|
||||
.It Fl T
|
||||
Display only variables that are settable via loader (CTLFLAG_TUN).
|
||||
.It Fl t
|
||||
Print the type of the variable.
|
||||
.It Fl W
|
||||
Display only writable variables that are not statistical.
|
||||
Useful for determining the set of runtime tunable sysctls.
|
||||
.It Fl X
|
||||
Equivalent to
|
||||
.Fl x a
|
||||
(for compatibility).
|
||||
.It Fl x
|
||||
As
|
||||
.Fl o ,
|
||||
but prints a hex dump of the entire value instead of just the first
|
||||
few bytes.
|
||||
.El
|
||||
.Pp
|
||||
The information available from
|
||||
.Nm
|
||||
consists of integers, strings, and opaque types.
|
||||
The
|
||||
.Nm
|
||||
utility
|
||||
only knows about a couple of opaque types, and will resort to hexdumps
|
||||
for the rest.
|
||||
The opaque information is much more useful if retrieved by special
|
||||
purpose programs such as
|
||||
.Xr ps 1 ,
|
||||
.Xr systat 1 ,
|
||||
and
|
||||
.Xr netstat 1 .
|
||||
.Pp
|
||||
Some of the variables which cannot be modified during normal system
|
||||
operation can be initialized via
|
||||
.Xr loader 8
|
||||
tunables.
|
||||
This can for example be done by setting them in
|
||||
.Xr loader.conf 5 .
|
||||
Please refer to
|
||||
.Xr loader.conf 5
|
||||
for more information on which tunables are available and how to set them.
|
||||
.Pp
|
||||
The string and integer information is summarized below.
|
||||
For a detailed description of these variable see
|
||||
.Xr sysctl 3 .
|
||||
.Pp
|
||||
The changeable column indicates whether a process with appropriate
|
||||
privilege can change the value.
|
||||
String and integer values can be set using
|
||||
.Nm .
|
||||
.Bl -column security.bsd.unprivileged_read_msgbuf integerxxx
|
||||
.It Sy "Name Type Changeable"
|
||||
.It "kern.ostype string no"
|
||||
.It "kern.osrelease string no"
|
||||
.It "kern.osrevision integer no"
|
||||
.It "kern.version string no"
|
||||
.It "kern.maxvnodes integer yes"
|
||||
.It "kern.maxproc integer no"
|
||||
.It "kern.maxprocperuid integer yes"
|
||||
.It "kern.maxfiles integer yes"
|
||||
.It "kern.maxfilesperproc integer yes"
|
||||
.It "kern.argmax integer no"
|
||||
.It "kern.securelevel integer raise only"
|
||||
.It "kern.hostname string yes"
|
||||
.It "kern.hostid integer yes"
|
||||
.It "kern.clockrate struct no"
|
||||
.It "kern.posix1version integer no"
|
||||
.It "kern.ngroups integer no"
|
||||
.It "kern.job_control integer no"
|
||||
.It "kern.saved_ids integer no"
|
||||
.It "kern.boottime struct no"
|
||||
.It "kern.domainname string yes"
|
||||
.It "kern.filedelay integer yes"
|
||||
.It "kern.dirdelay integer yes"
|
||||
.It "kern.metadelay integer yes"
|
||||
.It "kern.osreldate string no"
|
||||
.It "kern.bootfile string yes"
|
||||
.It "kern.corefile string yes"
|
||||
.It "kern.logsigexit integer yes"
|
||||
.It "security.bsd.suser_enabled integer yes"
|
||||
.It "security.bsd.see_other_uids integer yes"
|
||||
.It "security.bsd.unprivileged_proc_debug integer yes"
|
||||
.It "security.bsd.unprivileged_read_msgbuf integer yes"
|
||||
.It "vm.loadavg struct no"
|
||||
.It "hw.machine string no"
|
||||
.It "hw.model string no"
|
||||
.It "hw.ncpu integer no"
|
||||
.It "hw.byteorder integer no"
|
||||
.It "hw.physmem integer no"
|
||||
.It "hw.usermem integer no"
|
||||
.It "hw.pagesize integer no"
|
||||
.It "hw.floatingpoint integer no"
|
||||
.It "hw.machine_arch string no"
|
||||
.It "hw.realmem integer no"
|
||||
.It "machdep.adjkerntz integer yes"
|
||||
.It "machdep.disable_rtc_set integer yes"
|
||||
.It "machdep.guessed_bootdev string no"
|
||||
.It "user.cs_path string no"
|
||||
.It "user.bc_base_max integer no"
|
||||
.It "user.bc_dim_max integer no"
|
||||
.It "user.bc_scale_max integer no"
|
||||
.It "user.bc_string_max integer no"
|
||||
.It "user.coll_weights_max integer no"
|
||||
.It "user.expr_nest_max integer no"
|
||||
.It "user.line_max integer no"
|
||||
.It "user.re_dup_max integer no"
|
||||
.It "user.posix2_version integer no"
|
||||
.It "user.posix2_c_bind integer no"
|
||||
.It "user.posix2_c_dev integer no"
|
||||
.It "user.posix2_char_term integer no"
|
||||
.It "user.posix2_fort_dev integer no"
|
||||
.It "user.posix2_fort_run integer no"
|
||||
.It "user.posix2_localedef integer no"
|
||||
.It "user.posix2_sw_dev integer no"
|
||||
.It "user.posix2_upe integer no"
|
||||
.It "user.stream_max integer no"
|
||||
.It "user.tzname_max integer no"
|
||||
.El
|
||||
.Sh FILES
|
||||
.Bl -tag -width ".In netinet/icmp_var.h" -compact
|
||||
.It In sys/sysctl.h
|
||||
definitions for top level identifiers, second level kernel and hardware
|
||||
identifiers, and user level identifiers
|
||||
.It In sys/socket.h
|
||||
definitions for second level network identifiers
|
||||
.It In sys/gmon.h
|
||||
definitions for third level profiling identifiers
|
||||
.It In vm/vm_param.h
|
||||
definitions for second level virtual memory identifiers
|
||||
.It In netinet/in.h
|
||||
definitions for third level Internet identifiers and
|
||||
fourth level IP identifiers
|
||||
.It In netinet/icmp_var.h
|
||||
definitions for fourth level ICMP identifiers
|
||||
.It In netinet/udp_var.h
|
||||
definitions for fourth level UDP identifiers
|
||||
.El
|
||||
.Sh EXAMPLES
|
||||
For example, to retrieve the maximum number of processes allowed
|
||||
in the system, one would use the following request:
|
||||
.Pp
|
||||
.Dl "sysctl kern.maxproc"
|
||||
.Pp
|
||||
To set the maximum number of processes allowed
|
||||
per uid to 1000, one would use the following request:
|
||||
.Pp
|
||||
.Dl "sysctl kern.maxprocperuid=1000"
|
||||
.Pp
|
||||
Information about the system clock rate may be obtained with:
|
||||
.Pp
|
||||
.Dl "sysctl kern.clockrate"
|
||||
.Pp
|
||||
Information about the load average history may be obtained with:
|
||||
.Pp
|
||||
.Dl "sysctl vm.loadavg"
|
||||
.Pp
|
||||
More variables than these exist, and the best and likely only place
|
||||
to search for their deeper meaning is undoubtedly the source where
|
||||
they are defined.
|
||||
.Sh COMPATIBILITY
|
||||
The
|
||||
.Fl w
|
||||
option has been deprecated and is silently ignored.
|
||||
.Sh SEE ALSO
|
||||
.Xr sysctl 3 ,
|
||||
.Xr loader.conf 5 ,
|
||||
.Xr sysctl.conf 5 ,
|
||||
.Xr loader 8
|
||||
.Sh HISTORY
|
||||
A
|
||||
.Nm
|
||||
utility first appeared in
|
||||
.Bx 4.4 .
|
||||
.Pp
|
||||
In
|
||||
.Fx 2.2 ,
|
||||
.Nm
|
||||
was significantly remodeled.
|
||||
.Sh BUGS
|
||||
The
|
||||
.Nm
|
||||
utility presently exploits an undocumented interface to the kernel
|
||||
sysctl facility to traverse the sysctl tree and to retrieve format
|
||||
and name information.
|
||||
This correct interface is being thought about for the time being.
|
||||
File diff suppressed because it is too large
Load Diff
Loading…
Reference in New Issue