X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=app%2Ftest-pmd%2Fmacswap_sse.h;h=223f87a53946fca3985c45eafd6cbd00e1f1d0b1;hb=965b3127d4259c25c61eefefb082c042f3c87142;hp=79c7e9883d7ef4e9c835fcc5c137a80dbd090635;hpb=a68b61687af0fc8c6c3ce6ae4e82286d58d6d56b;p=dpdk.git

diff --git a/app/test-pmd/macswap_sse.h b/app/test-pmd/macswap_sse.h
index 79c7e9883d..223f87a539 100644
--- a/app/test-pmd/macswap_sse.h
+++ b/app/test-pmd/macswap_sse.h
@@ -11,11 +11,12 @@ static inline void
 do_macswap(struct rte_mbuf *pkts[], uint16_t nb,
 		struct rte_port *txp)
 {
-	struct ether_hdr *eth_hdr;
-	struct rte_mbuf *mb;
+	struct rte_ether_hdr *eth_hdr[4];
+	struct rte_mbuf *mb[4];
 	uint64_t ol_flags;
 	int i;
-	__m128i addr;
+	int r;
+	__m128i addr0, addr1, addr2, addr3;
 	/**
 	 * shuffle mask be used to shuffle the 16 bytes.
 	 * byte 0-5 wills be swapped with byte 6-11.
@@ -30,19 +31,63 @@ do_macswap(struct rte_mbuf *pkts[], uint16_t nb,
 	vlan_qinq_set(pkts, nb, ol_flags,
 			txp->tx_vlan_id, txp->tx_vlan_id_outer);
 
-	for (i = 0; i < nb; i++) {
-		if (likely(i < nb - 1))
-			rte_prefetch0(rte_pktmbuf_mtod(pkts[i+1], void *));
-		mb = pkts[i];
+	i = 0;
+	r = nb;
+
+	while (r >= 4) {
+		if (r >= 8) {
+			rte_prefetch0(rte_pktmbuf_mtod(pkts[i + 4], void *));
+			rte_prefetch0(rte_pktmbuf_mtod(pkts[i + 5], void *));
+			rte_prefetch0(rte_pktmbuf_mtod(pkts[i + 6], void *));
+			rte_prefetch0(rte_pktmbuf_mtod(pkts[i + 7], void *));
+		}
+
+		mb[0] = pkts[i++];
+		eth_hdr[0] = rte_pktmbuf_mtod(mb[0], struct rte_ether_hdr *);
+		addr0 = _mm_loadu_si128((__m128i *)eth_hdr[0]);
+
+		mb[1] = pkts[i++];
+		eth_hdr[1] = rte_pktmbuf_mtod(mb[1], struct rte_ether_hdr *);
+		addr1 = _mm_loadu_si128((__m128i *)eth_hdr[1]);
+
+
+		mb[2] = pkts[i++];
+		eth_hdr[2] = rte_pktmbuf_mtod(mb[2], struct rte_ether_hdr *);
+		addr2 = _mm_loadu_si128((__m128i *)eth_hdr[2]);
 
-		eth_hdr = rte_pktmbuf_mtod(mb, struct ether_hdr *);
+		mb[3] = pkts[i++];
+		eth_hdr[3] = rte_pktmbuf_mtod(mb[3], struct rte_ether_hdr *);
+		addr3 = _mm_loadu_si128((__m128i *)eth_hdr[3]);
+
+		addr0 = _mm_shuffle_epi8(addr0, shfl_msk);
+		addr1 = _mm_shuffle_epi8(addr1, shfl_msk);
+		addr2 = _mm_shuffle_epi8(addr2, shfl_msk);
+		addr3 = _mm_shuffle_epi8(addr3, shfl_msk);
+
+		_mm_storeu_si128((__m128i *)eth_hdr[0], addr0);
+		_mm_storeu_si128((__m128i *)eth_hdr[1], addr1);
+		_mm_storeu_si128((__m128i *)eth_hdr[2], addr2);
+		_mm_storeu_si128((__m128i *)eth_hdr[3], addr3);
+
+		mbuf_field_set(mb[0], ol_flags);
+		mbuf_field_set(mb[1], ol_flags);
+		mbuf_field_set(mb[2], ol_flags);
+		mbuf_field_set(mb[3], ol_flags);
+		r -= 4;
+	}
+
+	for ( ; i < nb; i++) {
+		if (i < nb - 1)
+			rte_prefetch0(rte_pktmbuf_mtod(pkts[i+1], void *));
+		mb[0] = pkts[i];
+		eth_hdr[0] = rte_pktmbuf_mtod(mb[0], struct rte_ether_hdr *);
 
 		/* Swap dest and src mac addresses. */
-		addr = _mm_loadu_si128((__m128i *)eth_hdr);
-		addr = _mm_shuffle_epi8(addr, shfl_msk);
-		_mm_storeu_si128((__m128i *)eth_hdr, addr);
+		addr0 = _mm_loadu_si128((__m128i *)eth_hdr[0]);
+		addr0 = _mm_shuffle_epi8(addr0, shfl_msk);
+		_mm_storeu_si128((__m128i *)eth_hdr[0], addr0);
 
-		mbuf_field_set(mb, ol_flags);
+		mbuf_field_set(mb[0], ol_flags);
 	}
 }