unsigned
rw_piot_kni_tx_burst(struct rte_kni *kni,
struct rte_mbuf **mbufs,
unsigned num)
{
return(rte_kni_tx_burst(kni, mbufs, num));
}
static void
kni_ring_to_kni(struct kni_port_params *p)
{
uint8_t i, port_id;
unsigned nb_rx, num;
struct rte_mbuf *pkts_burst[PKT_BURST_SZ];
if (p == NULL)
return;
port_id = p->port_id;
/* Burst rx from ring */
nb_rx = rte_ring_dequeue_burst(p->ring,(void **)&pkts_burst, PKT_BURST_SZ);
if (unlikely(nb_rx > PKT_BURST_SZ)) {
RTE_LOG(ERR, APP, "Error receiving from eth\n");
return;
}
/* Burst tx to kni */
num = rte_kni_tx_burst(p->kni, pkts_burst, nb_rx);
//kni_stats[port_id].rx_packets += num;
rte_kni_handle_request(p->kni);
if (unlikely(num < nb_rx)) {
/* Free mbufs not tx to kni interface */
kni_burst_free_mbufs(&pkts_burst[num], nb_rx - num);
//kni_stats[port_id].rx_dropped += nb_rx - num;
}
return;
}
static inline void
send_burst(struct dpdk_knidev_writer *p)
{
uint32_t nb_tx;
nb_tx = rte_kni_tx_burst(p->kni, p->tx_buf, p->tx_buf_count);
DPDK_KNIDEV_WRITER_STATS_PKTS_DROP_ADD(p, p->tx_buf_count - nb_tx);
for ( ; nb_tx < p->tx_buf_count; nb_tx++)
/* TODO: a separate counter for this drop */
vr_dpdk_pfree(p->tx_buf[nb_tx], VP_DROP_INTERFACE_DROP);
p->tx_buf_count = 0;
}
/*
* Enqueue single packet to a KNI fifo
*/
static void
send_to_kni(uint8_t vportid, struct rte_mbuf *buf)
{
int i = 0;
int rslt = 0;
struct kni_port *kp = NULL;
struct statistics *s = NULL;
s = &vport_stats[vportid];
rslt = rte_kni_tx_burst(&rte_kni_list[vportid & KNI_MASK], &buf, 1);
/* FIFO is full */
if (rslt == 0) {
rte_pktmbuf_free(buf);
s->rx_drop++;
switch_tx_drop++;
} else {
s->rx++;
}
}
uint16_t kni_dev_tx_burst(uint8_t port_id, uint16_t queue_id, struct rte_mbuf **tx_pkts, uint16_t nb_pkts)
{
return rte_kni_tx_burst(dev_list[port_id]->kni, tx_pkts, nb_pkts);
}
unsigned mg_kni_tx_single(struct rte_kni * kni, struct rte_mbuf * mbuf){
return rte_kni_tx_burst(kni, &mbuf, 1);
}
