-/*-
- * BSD LICENSE
- *
- * Copyright(c) 2010-2015 Intel Corporation. All rights reserved.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of Intel Corporation nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2010-2015 Intel Corporation
*/
#include <stdint.h>
-#include <rte_ethdev.h>
+#include <rte_ethdev_driver.h>
#include <rte_malloc.h>
#include "ixgbe_ethdev.h"
/* Initialize the mbufs in vector, process 2 mbufs in one loop */
for (i = 0; i < RTE_IXGBE_RXQ_REARM_THRESH; i += 2, rxep += 2) {
__m128i vaddr0, vaddr1;
- uintptr_t p0, p1;
mb0 = rxep[0].mbuf;
mb1 = rxep[1].mbuf;
- /*
- * Flush mbuf with pkt template.
- * Data to be rearmed is 6 bytes long.
- * Though, RX will overwrite ol_flags that are coming next
- * anyway. So overwrite whole 8 bytes with one load:
- * 6 bytes of rearm_data plus first 2 bytes of ol_flags.
- */
- p0 = (uintptr_t)&mb0->rearm_data;
- *(uint64_t *)p0 = rxq->mbuf_initializer;
- p1 = (uintptr_t)&mb1->rearm_data;
- *(uint64_t *)p1 = rxq->mbuf_initializer;
-
- /* load buf_addr(lo 64bit) and buf_physaddr(hi 64bit) */
+ /* load buf_addr(lo 64bit) and buf_iova(hi 64bit) */
+ RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, buf_iova) !=
+ offsetof(struct rte_mbuf, buf_addr) + 8);
vaddr0 = _mm_loadu_si128((__m128i *)&(mb0->buf_addr));
vaddr1 = _mm_loadu_si128((__m128i *)&(mb1->buf_addr));
IXGBE_PCI_REG_WRITE(rxq->rdt_reg_addr, rx_id);
}
-/* Handling the offload flags (olflags) field takes computation
- * time when receiving packets. Therefore we provide a flag to disable
- * the processing of the olflags field when they are not needed. This
- * gives improved performance, at the cost of losing the offload info
- * in the received packet
- */
-#ifdef RTE_IXGBE_RX_OLFLAGS_ENABLE
+#ifdef RTE_LIBRTE_SECURITY
+static inline void
+desc_to_olflags_v_ipsec(__m128i descs[4], struct rte_mbuf **rx_pkts)
+{
+ __m128i sterr, rearm, tmp_e, tmp_p;
+ uint32_t *rearm0 = (uint32_t *)rx_pkts[0]->rearm_data + 2;
+ uint32_t *rearm1 = (uint32_t *)rx_pkts[1]->rearm_data + 2;
+ uint32_t *rearm2 = (uint32_t *)rx_pkts[2]->rearm_data + 2;
+ uint32_t *rearm3 = (uint32_t *)rx_pkts[3]->rearm_data + 2;
+ const __m128i ipsec_sterr_msk =
+ _mm_set1_epi32(IXGBE_RXDADV_IPSEC_STATUS_SECP |
+ IXGBE_RXDADV_IPSEC_ERROR_AUTH_FAILED);
+ const __m128i ipsec_proc_msk =
+ _mm_set1_epi32(IXGBE_RXDADV_IPSEC_STATUS_SECP);
+ const __m128i ipsec_err_flag =
+ _mm_set1_epi32(PKT_RX_SEC_OFFLOAD_FAILED |
+ PKT_RX_SEC_OFFLOAD);
+ const __m128i ipsec_proc_flag = _mm_set1_epi32(PKT_RX_SEC_OFFLOAD);
+
+ rearm = _mm_set_epi32(*rearm3, *rearm2, *rearm1, *rearm0);
+ sterr = _mm_set_epi32(_mm_extract_epi32(descs[3], 2),
+ _mm_extract_epi32(descs[2], 2),
+ _mm_extract_epi32(descs[1], 2),
+ _mm_extract_epi32(descs[0], 2));
+ sterr = _mm_and_si128(sterr, ipsec_sterr_msk);
+ tmp_e = _mm_cmpeq_epi32(sterr, ipsec_sterr_msk);
+ tmp_p = _mm_cmpeq_epi32(sterr, ipsec_proc_msk);
+ sterr = _mm_or_si128(_mm_and_si128(tmp_e, ipsec_err_flag),
+ _mm_and_si128(tmp_p, ipsec_proc_flag));
+ rearm = _mm_or_si128(rearm, sterr);
+ *rearm0 = _mm_extract_epi32(rearm, 0);
+ *rearm1 = _mm_extract_epi32(rearm, 1);
+ *rearm2 = _mm_extract_epi32(rearm, 2);
+ *rearm3 = _mm_extract_epi32(rearm, 3);
+}
+#endif
static inline void
-desc_to_olflags_v(__m128i descs[4], uint8_t vlan_flags,
+desc_to_olflags_v(__m128i descs[4], __m128i mbuf_init, uint8_t vlan_flags,
struct rte_mbuf **rx_pkts)
{
__m128i ptype0, ptype1, vtag0, vtag1, csum;
- union {
- uint16_t e[4];
- uint64_t dword;
- } vol;
+ __m128i rearm0, rearm1, rearm2, rearm3;
/* mask everything except rss type */
const __m128i rsstype_msk = _mm_set_epi16(
vtag1 = _mm_or_si128(vtag0, vtag1);
vtag1 = _mm_or_si128(ptype0, vtag1);
- vol.dword = _mm_cvtsi128_si64(vtag1);
- rx_pkts[0]->ol_flags = vol.e[0];
- rx_pkts[1]->ol_flags = vol.e[1];
- rx_pkts[2]->ol_flags = vol.e[2];
- rx_pkts[3]->ol_flags = vol.e[3];
+ /*
+ * At this point, we have the 4 sets of flags in the low 64-bits
+ * of vtag1 (4x16).
+ * We want to extract these, and merge them with the mbuf init data
+ * so we can do a single 16-byte write to the mbuf to set the flags
+ * and all the other initialization fields. Extracting the
+ * appropriate flags means that we have to do a shift and blend for
+ * each mbuf before we do the write.
+ */
+ rearm0 = _mm_blend_epi16(mbuf_init, _mm_slli_si128(vtag1, 8), 0x10);
+ rearm1 = _mm_blend_epi16(mbuf_init, _mm_slli_si128(vtag1, 6), 0x10);
+ rearm2 = _mm_blend_epi16(mbuf_init, _mm_slli_si128(vtag1, 4), 0x10);
+ rearm3 = _mm_blend_epi16(mbuf_init, _mm_slli_si128(vtag1, 2), 0x10);
+
+ /* write the rearm data and the olflags in one write */
+ RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, ol_flags) !=
+ offsetof(struct rte_mbuf, rearm_data) + 8);
+ RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, rearm_data) !=
+ RTE_ALIGN(offsetof(struct rte_mbuf, rearm_data), 16));
+ _mm_store_si128((__m128i *)&rx_pkts[0]->rearm_data, rearm0);
+ _mm_store_si128((__m128i *)&rx_pkts[1]->rearm_data, rearm1);
+ _mm_store_si128((__m128i *)&rx_pkts[2]->rearm_data, rearm2);
+ _mm_store_si128((__m128i *)&rx_pkts[3]->rearm_data, rearm3);
+}
+
+static inline uint32_t get_packet_type(int index,
+ uint32_t pkt_info,
+ uint32_t etqf_check,
+ uint32_t tunnel_check)
+{
+ if (etqf_check & (0x02 << (index * RTE_IXGBE_DESCS_PER_LOOP)))
+ return RTE_PTYPE_UNKNOWN;
+
+ if (tunnel_check & (0x02 << (index * RTE_IXGBE_DESCS_PER_LOOP))) {
+ pkt_info &= IXGBE_PACKET_TYPE_MASK_TUNNEL;
+ return ptype_table_tn[pkt_info];
+ }
+
+ pkt_info &= IXGBE_PACKET_TYPE_MASK_82599;
+ return ptype_table[pkt_info];
+}
+
+static inline void
+desc_to_ptype_v(__m128i descs[4], uint16_t pkt_type_mask,
+ struct rte_mbuf **rx_pkts)
+{
+ __m128i etqf_mask = _mm_set_epi64x(0x800000008000LL, 0x800000008000LL);
+ __m128i ptype_mask = _mm_set_epi32(
+ pkt_type_mask, pkt_type_mask, pkt_type_mask, pkt_type_mask);
+ __m128i tunnel_mask =
+ _mm_set_epi64x(0x100000001000LL, 0x100000001000LL);
+
+ uint32_t etqf_check, tunnel_check, pkt_info;
+
+ __m128i ptype0 = _mm_unpacklo_epi32(descs[0], descs[2]);
+ __m128i ptype1 = _mm_unpacklo_epi32(descs[1], descs[3]);
+
+ /* interleave low 32 bits,
+ * now we have 4 ptypes in a XMM register
+ */
+ ptype0 = _mm_unpacklo_epi32(ptype0, ptype1);
+
+ /* create a etqf bitmask based on the etqf bit. */
+ etqf_check = _mm_movemask_epi8(_mm_and_si128(ptype0, etqf_mask));
+
+ /* shift left by IXGBE_PACKET_TYPE_SHIFT, and apply ptype mask */
+ ptype0 = _mm_and_si128(_mm_srli_epi32(ptype0, IXGBE_PACKET_TYPE_SHIFT),
+ ptype_mask);
+
+ /* create a tunnel bitmask based on the tunnel bit */
+ tunnel_check = _mm_movemask_epi8(
+ _mm_slli_epi32(_mm_and_si128(ptype0, tunnel_mask), 0x3));
+
+ pkt_info = _mm_extract_epi32(ptype0, 0);
+ rx_pkts[0]->packet_type =
+ get_packet_type(0, pkt_info, etqf_check, tunnel_check);
+ pkt_info = _mm_extract_epi32(ptype0, 1);
+ rx_pkts[1]->packet_type =
+ get_packet_type(1, pkt_info, etqf_check, tunnel_check);
+ pkt_info = _mm_extract_epi32(ptype0, 2);
+ rx_pkts[2]->packet_type =
+ get_packet_type(2, pkt_info, etqf_check, tunnel_check);
+ pkt_info = _mm_extract_epi32(ptype0, 3);
+ rx_pkts[3]->packet_type =
+ get_packet_type(3, pkt_info, etqf_check, tunnel_check);
}
-#else
-#define desc_to_olflags_v(desc, vlan_flags, rx_pkts) do { \
- RTE_SET_USED(vlan_flags); \
- } while (0)
-#endif
/*
* vPMD raw receive routine, only accept(nb_pkts >= RTE_IXGBE_DESCS_PER_LOOP)
volatile union ixgbe_adv_rx_desc *rxdp;
struct ixgbe_rx_entry *sw_ring;
uint16_t nb_pkts_recd;
+#ifdef RTE_LIBRTE_SECURITY
+ uint8_t use_ipsec = rxq->using_ipsec;
+#endif
int pos;
uint64_t var;
__m128i shuf_msk;
-rxq->crc_len, /* sub crc on pkt_len */
0, 0 /* ignore pkt_type field */
);
+ /*
+ * compile-time check the above crc_adjust layout is correct.
+ * NOTE: the first field (lowest address) is given last in set_epi16
+ * call above.
+ */
+ RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, pkt_len) !=
+ offsetof(struct rte_mbuf, rx_descriptor_fields1) + 4);
+ RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, data_len) !=
+ offsetof(struct rte_mbuf, rx_descriptor_fields1) + 8);
__m128i dd_check, eop_check;
+ __m128i mbuf_init;
uint8_t vlan_flags;
/* nb_pkts shall be less equal than RTE_IXGBE_MAX_RX_BURST */
0xFF, 0xFF, /* skip 32 bit pkt_type */
0xFF, 0xFF
);
+ /*
+ * Compile-time verify the shuffle mask
+ * NOTE: some field positions already verified above, but duplicated
+ * here for completeness in case of future modifications.
+ */
+ RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, pkt_len) !=
+ offsetof(struct rte_mbuf, rx_descriptor_fields1) + 4);
+ RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, data_len) !=
+ offsetof(struct rte_mbuf, rx_descriptor_fields1) + 8);
+ RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, vlan_tci) !=
+ offsetof(struct rte_mbuf, rx_descriptor_fields1) + 10);
+ RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, hash) !=
+ offsetof(struct rte_mbuf, rx_descriptor_fields1) + 12);
+
+ mbuf_init = _mm_set_epi64x(0, rxq->mbuf_initializer);
/* Cache is empty -> need to scan the buffer rings, but first move
* the next 'n' mbufs into the cache
sw_ring = &rxq->sw_ring[rxq->rx_tail];
/* ensure these 2 flags are in the lower 8 bits */
- RTE_BUILD_BUG_ON((PKT_RX_VLAN_PKT | PKT_RX_VLAN_STRIPPED) > UINT8_MAX);
+ RTE_BUILD_BUG_ON((PKT_RX_VLAN | PKT_RX_VLAN_STRIPPED) > UINT8_MAX);
vlan_flags = rxq->vlan_flags & UINT8_MAX;
/* A. load 4 packet in one loop
__m128i descs[RTE_IXGBE_DESCS_PER_LOOP];
__m128i pkt_mb1, pkt_mb2, pkt_mb3, pkt_mb4;
__m128i zero, staterr, sterr_tmp1, sterr_tmp2;
- __m128i mbp1, mbp2; /* two mbuf pointer in one XMM reg. */
+ /* 2 64 bit or 4 32 bit mbuf pointers in one XMM reg. */
+ __m128i mbp1;
+#if defined(RTE_ARCH_X86_64)
+ __m128i mbp2;
+#endif
- /* B.1 load 1 mbuf point */
+ /* B.1 load 2 (64 bit) or 4 (32 bit) mbuf points */
mbp1 = _mm_loadu_si128((__m128i *)&sw_ring[pos]);
/* Read desc statuses backwards to avoid race condition */
descs[3] = _mm_loadu_si128((__m128i *)(rxdp + 3));
rte_compiler_barrier();
- /* B.2 copy 2 mbuf point into rx_pkts */
+ /* B.2 copy 2 64 bit or 4 32 bit mbuf point into rx_pkts */
_mm_storeu_si128((__m128i *)&rx_pkts[pos], mbp1);
- /* B.1 load 1 mbuf point */
+#if defined(RTE_ARCH_X86_64)
+ /* B.1 load 2 64 bit mbuf points */
mbp2 = _mm_loadu_si128((__m128i *)&sw_ring[pos+2]);
+#endif
descs[2] = _mm_loadu_si128((__m128i *)(rxdp + 2));
rte_compiler_barrier();
rte_compiler_barrier();
descs[0] = _mm_loadu_si128((__m128i *)(rxdp));
+#if defined(RTE_ARCH_X86_64)
/* B.2 copy 2 mbuf point into rx_pkts */
_mm_storeu_si128((__m128i *)&rx_pkts[pos+2], mbp2);
+#endif
if (split_packet) {
rte_mbuf_prefetch_part2(rx_pkts[pos]);
sterr_tmp1 = _mm_unpackhi_epi32(descs[1], descs[0]);
/* set ol_flags with vlan packet type */
- desc_to_olflags_v(descs, vlan_flags, &rx_pkts[pos]);
+ desc_to_olflags_v(descs, mbuf_init, vlan_flags, &rx_pkts[pos]);
+
+#ifdef RTE_LIBRTE_SECURITY
+ if (unlikely(use_ipsec))
+ desc_to_olflags_v_ipsec(descs, &rx_pkts[pos]);
+#endif
/* D.2 pkt 3,4 set in_port/nb_seg and remove crc */
pkt_mb4 = _mm_add_epi16(pkt_mb4, crc_adjust);
/* store the resulting 32-bit value */
*(int *)split_packet = _mm_cvtsi128_si32(eop_bits);
split_packet += RTE_IXGBE_DESCS_PER_LOOP;
-
- /* zero-out next pointers */
- rx_pkts[pos]->next = NULL;
- rx_pkts[pos + 1]->next = NULL;
- rx_pkts[pos + 2]->next = NULL;
- rx_pkts[pos + 3]->next = NULL;
}
/* C.3 calc available number of desc */
_mm_storeu_si128((void *)&rx_pkts[pos]->rx_descriptor_fields1,
pkt_mb1);
+ desc_to_ptype_v(descs, rxq->pkt_type_mask, &rx_pkts[pos]);
+
/* C.4 calc avaialbe number of desc */
var = __builtin_popcountll(_mm_cvtsi128_si64(staterr));
nb_pkts_recd += var;
{
__m128i descriptor = _mm_set_epi64x((uint64_t)pkt->pkt_len << 46 |
flags | pkt->data_len,
- pkt->buf_physaddr + pkt->data_off);
+ pkt->buf_iova + pkt->data_off);
_mm_store_si128((__m128i *)&txdp->read, descriptor);
}
}
uint16_t
-ixgbe_xmit_pkts_vec(void *tx_queue, struct rte_mbuf **tx_pkts,
- uint16_t nb_pkts)
+ixgbe_xmit_fixed_burst_vec(void *tx_queue, struct rte_mbuf **tx_pkts,
+ uint16_t nb_pkts)
{
struct ixgbe_tx_queue *txq = (struct ixgbe_tx_queue *)tx_queue;
volatile union ixgbe_adv_tx_desc *txdp;
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