}
}
+/*
+ * The 'strong' version is in enic_rxtx_vec_avx2.c. This weak version is used
+ * used when that file is not compiled.
+ */
+bool __attribute__((weak))
+enic_use_vector_rx_handler(__rte_unused struct enic *enic)
+{
+ return false;
+}
+
static void pick_rx_handler(struct enic *enic)
{
struct rte_eth_dev *eth_dev;
- /* Use the non-scatter, simplified RX handler if possible. */
+ /*
+ * Preference order:
+ * 1. The vectorized handler if possible and requested.
+ * 2. The non-scatter, simplified handler if scatter Rx is not used.
+ * 3. The default handler as a fallback.
+ */
eth_dev = enic->rte_dev;
+ if (enic_use_vector_rx_handler(enic))
+ return;
if (enic->rq_count > 0 && enic->rq[0].data_queue_enable == 0) {
PMD_INIT_LOG(DEBUG, " use the non-scatter Rx handler");
eth_dev->rx_pkt_burst = &enic_noscatter_recv_pkts;
int err;
struct rte_eth_dev *eth_dev = enic->rte_dev;
uint64_t simple_tx_offloads;
+ uintptr_t p;
+
+ if (enic->enable_avx2_rx) {
+ struct rte_mbuf mb_def = { .buf_addr = 0 };
+
+ /*
+ * mbuf_initializer contains const-after-init fields of
+ * receive mbufs (i.e. 64 bits of fields from rearm_data).
+ * It is currently used by the vectorized handler.
+ */
+ mb_def.nb_segs = 1;
+ mb_def.data_off = RTE_PKTMBUF_HEADROOM;
+ mb_def.port = enic->port_id;
+ rte_mbuf_refcnt_set(&mb_def, 1);
+ rte_compiler_barrier();
+ p = (uintptr_t)&mb_def.rearm_data;
+ enic->mbuf_initializer = *(uint64_t *)p;
+ }
eth_dev->data->dev_link.link_speed = vnic_dev_port_speed(enic->vdev);
eth_dev->data->dev_link.link_duplex = ETH_LINK_FULL_DUPLEX;