examples/l3fwd: add NEON implementation

[dpdk.git] / examples / l3fwd / l3fwd_em_sequential.h

diff --git a/examples/l3fwd/l3fwd_em_sequential.h b/examples/l3fwd/l3fwd_em_sequential.h
index d2a489e..cb7c2ab 100644 (file)
--- a/examples/l3fwd/l3fwd_em_sequential.h
+++ b/examples/l3fwd/l3fwd_em_sequential.h
@@ -43,7 +43,11 @@
  * compilation time.
  */
 
+#if defined RTE_ARCH_X86
 #include "l3fwd_sse.h"
+#elif defined RTE_MACHINE_CPUFLAG_NEON
+#include "l3fwd_neon.h"
+#endif
 
 static __rte_always_inline uint16_t
 em_get_dst_port(const struct lcore_conf *qconf, struct rte_mbuf *pkt,
@@ -101,11 +105,21 @@ static inline void
 l3fwd_em_send_packets(int nb_rx, struct rte_mbuf **pkts_burst,
                        uint8_t portid, struct lcore_conf *qconf)
 {
-       int32_t j;
+       int32_t i, j;
        uint16_t dst_port[MAX_PKT_BURST];
 
-       for (j = 0; j < nb_rx; j++)
+       if (nb_rx > 0) {
+               rte_prefetch0(rte_pktmbuf_mtod(pkts_burst[0],
+                                              struct ether_hdr *) + 1);
+       }
+
+       for (i = 1, j = 0; j < nb_rx; i++, j++) {
+               if (i < nb_rx) {
+                       rte_prefetch0(rte_pktmbuf_mtod(pkts_burst[i],
+                                                      struct ether_hdr *) + 1);
+               }
                dst_port[j] = em_get_dst_port(qconf, pkts_burst[j], portid);
+       }
 
        send_packets_multi(qconf, pkts_burst, dst_port, nb_rx);
 }