Adding upstream version 18.2.2.upstream/18.2.2

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 94 insertions, 0 deletions

diff --git a/src/spdk/dpdk/app/test-pmd/macswap_sse.h b/src/spdk/dpdk/app/test-pmd/macswap_sse.h
new file mode 100644
index 000000000..223f87a53
--- /dev/null
+++ b/src/spdk/dpdk/app/test-pmd/macswap_sse.h
@@ -0,0 +1,94 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2018 Intel Corporation
+ */
+
+#ifndef _MACSWAP_SSE_H_
+#define _MACSWAP_SSE_H_
+
+#include "macswap_common.h"
+
+static inline void
+do_macswap(struct rte_mbuf *pkts[], uint16_t nb,
+		struct rte_port *txp)
+{
+	struct rte_ether_hdr *eth_hdr[4];
+	struct rte_mbuf *mb[4];
+	uint64_t ol_flags;
+	int i;
+	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.
+	 * byte 12-15 will keep unchanged.
+	 */
+	__m128i shfl_msk = _mm_set_epi8(15, 14, 13, 12,
+					5, 4, 3, 2,
+					1, 0, 11, 10,
+					9, 8, 7, 6);
+
+	ol_flags = ol_flags_init(txp->dev_conf.txmode.offloads);
+	vlan_qinq_set(pkts, nb, ol_flags,
+			txp->tx_vlan_id, txp->tx_vlan_id_outer);
+
+	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]);
+
+		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. */
+		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[0], ol_flags);
+	}
+}
+
+#endif /* _MACSWAP_SSE_H_ */