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Merge pull request #80 from yuyang0/master 

Fix #79: less arp ring.
This commit is contained in:
logwang 2017-09-25 12:13:48 +08:00 committed by GitHub
parent 1c388a5257 257bb980b4
commit b7d857a29d
1 changed files with 24 additions and 27 deletions
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51
lib/ff_dpdk_if.c
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@ -162,7 +162,7 @@ static struct lcore_conf lcore_conf;
static struct rte_mempool *pktmbuf_pool[NB_SOCKETS];
static struct rte_ring **arp_ring[RTE_MAX_LCORE];
static struct rte_ring **arp_ring[RTE_MAX_ETHPORTS];
static uint16_t rss_reta_size[RTE_MAX_ETHPORTS];
@ -420,43 +420,40 @@ create_ring(const char *name, unsigned count, int socket_id, unsigned flags)
static int
init_arp_ring(void)
{
int i, j, ret;
int j;
char name_buf[RTE_RING_NAMESIZE];
int nb_procs = ff_global_cfg.dpdk.nb_procs;
int proc_id = ff_global_cfg.dpdk.proc_id;
/* Allocate arp ring ptr according to eth dev count. */
int nb_dev_ports = rte_eth_dev_count();
for(i = 0; i < nb_procs; ++i) {
snprintf(name_buf, RTE_RING_NAMESIZE, "ring_ptr_%d_%d",
proc_id, i);
arp_ring[i] = rte_zmalloc(name_buf,
sizeof(struct rte_ring *) * nb_dev_ports,
RTE_CACHE_LINE_SIZE);
if (arp_ring[i] == NULL) {
rte_exit(EXIT_FAILURE, "rte_zmalloc(%s (struct rte_ring*)) "
"failed\n", name_buf);
}
}
int queueid;
unsigned socketid = lcore_conf.socket_id;
/* Create ring according to ports actually being used. */
int nb_ports = ff_global_cfg.dpdk.nb_ports;
for (j = 0; j < nb_ports; j++) {
uint16_t port_id = ff_global_cfg.dpdk.portid_list[j];
uint16_t portid = ff_global_cfg.dpdk.portid_list[j];
struct ff_port_cfg *pconf = &ff_global_cfg.dpdk.port_cfgs[portid];
int nb_queues = pconf->nb_lcores;
if (arp_ring[portid] == NULL) {
snprintf(name_buf, RTE_RING_NAMESIZE, "ring_ptr_p%d", portid);
for(i = 0; i < nb_procs; ++i) {
snprintf(name_buf, RTE_RING_NAMESIZE, "arp_ring_%d_%d", i, port_id);
arp_ring[i][port_id] = create_ring(name_buf, ARP_RING_SIZE,
arp_ring[portid] = rte_zmalloc(name_buf,
sizeof(struct rte_ring *) * nb_queues,
RTE_CACHE_LINE_SIZE);
if (arp_ring[portid] == NULL) {
rte_exit(EXIT_FAILURE, "rte_zmalloc(%s (struct rte_ring*)) "
"failed\n", name_buf);
}
}
for(queueid = 0; queueid < nb_queues; ++queueid) {
snprintf(name_buf, RTE_RING_NAMESIZE, "arp_ring_p%d_q%d", portid, queueid);
arp_ring[portid][queueid] = create_ring(name_buf, ARP_RING_SIZE,
socketid, RING_F_SC_DEQ);
if (arp_ring[i][port_id] == NULL)
if (arp_ring[portid][queueid] == NULL)
rte_panic("create ring:%s failed!\n", name_buf);
printf("create ring:%s success, %u ring entries are now free!\n",
name_buf, rte_ring_free_count(arp_ring[i][port_id]));
name_buf, rte_ring_free_count(arp_ring[portid][queueid]));
}
}
@ -931,7 +928,7 @@ process_packets(uint8_t port_id, uint16_t queue_id, struct rte_mbuf **bufs,
mbuf_pool = pktmbuf_pool[socket_id];
mbuf_clone = rte_pktmbuf_clone(rtem, mbuf_pool);
if(mbuf_clone) {
int ret = rte_ring_enqueue(arp_ring[i][port_id], mbuf_clone);
int ret = rte_ring_enqueue(arp_ring[port_id][i], mbuf_clone);
if (ret < 0)
rte_pktmbuf_free(mbuf_clone);
}
@ -962,7 +959,7 @@ process_arp_ring(uint8_t port_id, uint16_t queue_id,
{
/* read packet from ring buf and to process */
uint16_t nb_rb;
nb_rb = rte_ring_dequeue_burst(arp_ring[queue_id][port_id],
nb_rb = rte_ring_dequeue_burst(arp_ring[port_id][queue_id],
(void **)pkts_burst, MAX_PKT_BURST);
if(nb_rb > 0) {