#pragma GCC diagnostic ignored "-Wcast-qual"
#endif
+static inline __m128i
+ice_flex_rxd_to_fdir_flags_vec(const __m128i fdir_id0_3)
+{
+#define FDID_MIS_MAGIC 0xFFFFFFFF
+ RTE_BUILD_BUG_ON(PKT_RX_FDIR != (1 << 2));
+ RTE_BUILD_BUG_ON(PKT_RX_FDIR_ID != (1 << 13));
+ const __m128i pkt_fdir_bit = _mm_set1_epi32(PKT_RX_FDIR |
+ PKT_RX_FDIR_ID);
+ /* desc->flow_id field == 0xFFFFFFFF means fdir mismatch */
+ const __m128i fdir_mis_mask = _mm_set1_epi32(FDID_MIS_MAGIC);
+ __m128i fdir_mask = _mm_cmpeq_epi32(fdir_id0_3,
+ fdir_mis_mask);
+ /* this XOR op results to bit-reverse the fdir_mask */
+ fdir_mask = _mm_xor_si128(fdir_mask, fdir_mis_mask);
+ const __m128i fdir_flags = _mm_and_si128(fdir_mask, pkt_fdir_bit);
+
+ return fdir_flags;
+}
+
static inline void
ice_rxq_rearm(struct ice_rx_queue *rxq)
{
int i;
uint16_t rx_id;
- volatile union ice_rx_desc *rxdp;
+ volatile union ice_rx_flex_desc *rxdp;
struct ice_rx_entry *rxep = &rxq->sw_ring[rxq->rxrearm_start];
struct rte_mbuf *mb0, *mb1;
__m128i hdr_room = _mm_set_epi64x(RTE_PKTMBUF_HEADROOM,
(rxq->nb_rx_desc - 1) : (rxq->rxrearm_start - 1));
/* Update the tail pointer on the NIC */
- ICE_PCI_REG_WRITE(rxq->qrx_tail, rx_id);
+ ICE_PCI_REG_WC_WRITE(rxq->qrx_tail, rx_id);
}
static inline void
const __m128i mbuf_init = _mm_set_epi64x(0, rxq->mbuf_initializer);
__m128i rearm0, rearm1, rearm2, rearm3;
- __m128i vlan0, vlan1, rss, l3_l4e;
+ __m128i tmp_desc, flags, rss_vlan;
- /* mask everything except RSS, flow director and VLAN flags
- * bit2 is for VLAN tag, bit11 for flow director indication
- * bit13:12 for RSS indication.
+ /* mask everything except checksum, RSS and VLAN flags.
+ * bit6:4 for checksum.
+ * bit12 for RSS indication.
+ * bit13 for VLAN indication.
*/
- const __m128i rss_vlan_msk = _mm_set_epi32(0x1c03804, 0x1c03804,
- 0x1c03804, 0x1c03804);
-
- const __m128i cksum_mask = _mm_set_epi32(PKT_RX_IP_CKSUM_GOOD |
- PKT_RX_IP_CKSUM_BAD |
- PKT_RX_L4_CKSUM_GOOD |
- PKT_RX_L4_CKSUM_BAD |
- PKT_RX_EIP_CKSUM_BAD,
- PKT_RX_IP_CKSUM_GOOD |
- PKT_RX_IP_CKSUM_BAD |
- PKT_RX_L4_CKSUM_GOOD |
- PKT_RX_L4_CKSUM_BAD |
- PKT_RX_EIP_CKSUM_BAD,
- PKT_RX_IP_CKSUM_GOOD |
- PKT_RX_IP_CKSUM_BAD |
- PKT_RX_L4_CKSUM_GOOD |
- PKT_RX_L4_CKSUM_BAD |
- PKT_RX_EIP_CKSUM_BAD,
- PKT_RX_IP_CKSUM_GOOD |
- PKT_RX_IP_CKSUM_BAD |
- PKT_RX_L4_CKSUM_GOOD |
- PKT_RX_L4_CKSUM_BAD |
- PKT_RX_EIP_CKSUM_BAD);
-
- /* map rss and vlan type to rss hash and vlan flag */
- const __m128i vlan_flags = _mm_set_epi8(0, 0, 0, 0,
+ const __m128i desc_mask = _mm_set_epi32(0x30f0, 0x30f0,
+ 0x30f0, 0x30f0);
+ const __m128i cksum_mask = _mm_set_epi32(PKT_RX_IP_CKSUM_MASK |
+ PKT_RX_L4_CKSUM_MASK |
+ PKT_RX_OUTER_L4_CKSUM_MASK |
+ PKT_RX_OUTER_IP_CKSUM_BAD,
+ PKT_RX_IP_CKSUM_MASK |
+ PKT_RX_L4_CKSUM_MASK |
+ PKT_RX_OUTER_L4_CKSUM_MASK |
+ PKT_RX_OUTER_IP_CKSUM_BAD,
+ PKT_RX_IP_CKSUM_MASK |
+ PKT_RX_L4_CKSUM_MASK |
+ PKT_RX_OUTER_L4_CKSUM_MASK |
+ PKT_RX_OUTER_IP_CKSUM_BAD,
+ PKT_RX_IP_CKSUM_MASK |
+ PKT_RX_L4_CKSUM_MASK |
+ PKT_RX_OUTER_L4_CKSUM_MASK |
+ PKT_RX_OUTER_IP_CKSUM_BAD);
+
+ /* map the checksum, rss and vlan fields to the checksum, rss
+ * and vlan flag
+ */
+ const __m128i cksum_flags =
+ _mm_set_epi8((PKT_RX_OUTER_L4_CKSUM_BAD >> 20 |
+ PKT_RX_OUTER_IP_CKSUM_BAD | PKT_RX_L4_CKSUM_BAD |
+ PKT_RX_IP_CKSUM_BAD) >> 1,
+ (PKT_RX_OUTER_L4_CKSUM_BAD >> 20 | PKT_RX_OUTER_IP_CKSUM_BAD |
+ PKT_RX_L4_CKSUM_BAD | PKT_RX_IP_CKSUM_GOOD) >> 1,
+ (PKT_RX_OUTER_L4_CKSUM_BAD >> 20 | PKT_RX_OUTER_IP_CKSUM_BAD |
+ PKT_RX_L4_CKSUM_GOOD | PKT_RX_IP_CKSUM_BAD) >> 1,
+ (PKT_RX_OUTER_L4_CKSUM_BAD >> 20 | PKT_RX_OUTER_IP_CKSUM_BAD |
+ PKT_RX_L4_CKSUM_GOOD | PKT_RX_IP_CKSUM_GOOD) >> 1,
+ (PKT_RX_OUTER_L4_CKSUM_BAD >> 20 | PKT_RX_L4_CKSUM_BAD |
+ PKT_RX_IP_CKSUM_BAD) >> 1,
+ (PKT_RX_OUTER_L4_CKSUM_BAD >> 20 | PKT_RX_L4_CKSUM_BAD |
+ PKT_RX_IP_CKSUM_GOOD) >> 1,
+ (PKT_RX_OUTER_L4_CKSUM_BAD >> 20 | PKT_RX_L4_CKSUM_GOOD |
+ PKT_RX_IP_CKSUM_BAD) >> 1,
+ (PKT_RX_OUTER_L4_CKSUM_BAD >> 20 | PKT_RX_L4_CKSUM_GOOD |
+ PKT_RX_IP_CKSUM_GOOD) >> 1,
+ /**
+ * shift right 20 bits to use the low two bits to indicate
+ * outer checksum status
+ * shift right 1 bit to make sure it not exceed 255
+ */
+ (PKT_RX_OUTER_L4_CKSUM_GOOD >> 20 | PKT_RX_OUTER_IP_CKSUM_BAD |
+ PKT_RX_L4_CKSUM_BAD | PKT_RX_IP_CKSUM_BAD) >> 1,
+ (PKT_RX_OUTER_L4_CKSUM_GOOD >> 20 | PKT_RX_OUTER_IP_CKSUM_BAD |
+ PKT_RX_L4_CKSUM_BAD | PKT_RX_IP_CKSUM_GOOD) >> 1,
+ (PKT_RX_OUTER_L4_CKSUM_GOOD >> 20 | PKT_RX_OUTER_IP_CKSUM_BAD |
+ PKT_RX_L4_CKSUM_GOOD | PKT_RX_IP_CKSUM_BAD) >> 1,
+ (PKT_RX_OUTER_L4_CKSUM_GOOD >> 20 | PKT_RX_OUTER_IP_CKSUM_BAD |
+ PKT_RX_L4_CKSUM_GOOD | PKT_RX_IP_CKSUM_GOOD) >> 1,
+ (PKT_RX_OUTER_L4_CKSUM_GOOD >> 20 | PKT_RX_L4_CKSUM_BAD |
+ PKT_RX_IP_CKSUM_BAD) >> 1,
+ (PKT_RX_OUTER_L4_CKSUM_GOOD >> 20 | PKT_RX_L4_CKSUM_BAD |
+ PKT_RX_IP_CKSUM_GOOD) >> 1,
+ (PKT_RX_OUTER_L4_CKSUM_GOOD >> 20 | PKT_RX_L4_CKSUM_GOOD |
+ PKT_RX_IP_CKSUM_BAD) >> 1,
+ (PKT_RX_OUTER_L4_CKSUM_GOOD >> 20 | PKT_RX_L4_CKSUM_GOOD |
+ PKT_RX_IP_CKSUM_GOOD) >> 1);
+
+ const __m128i rss_vlan_flags = _mm_set_epi8(0, 0, 0, 0,
0, 0, 0, 0,
- 0, 0, 0, PKT_RX_VLAN | PKT_RX_VLAN_STRIPPED,
- 0, 0, 0, 0);
-
- const __m128i rss_flags = _mm_set_epi8(0, 0, 0, 0,
0, 0, 0, 0,
- PKT_RX_RSS_HASH | PKT_RX_FDIR, PKT_RX_RSS_HASH, 0, 0,
- 0, 0, PKT_RX_FDIR, 0);
-
- const __m128i l3_l4e_flags = _mm_set_epi8(0, 0, 0, 0, 0, 0, 0, 0,
- /* shift right 1 bit to make sure it not exceed 255 */
- (PKT_RX_EIP_CKSUM_BAD | PKT_RX_L4_CKSUM_BAD |
- PKT_RX_IP_CKSUM_BAD) >> 1,
- (PKT_RX_IP_CKSUM_GOOD | PKT_RX_EIP_CKSUM_BAD |
- PKT_RX_L4_CKSUM_BAD) >> 1,
- (PKT_RX_EIP_CKSUM_BAD | PKT_RX_IP_CKSUM_BAD) >> 1,
- (PKT_RX_IP_CKSUM_GOOD | PKT_RX_EIP_CKSUM_BAD) >> 1,
- (PKT_RX_L4_CKSUM_BAD | PKT_RX_IP_CKSUM_BAD) >> 1,
- (PKT_RX_IP_CKSUM_GOOD | PKT_RX_L4_CKSUM_BAD) >> 1,
- PKT_RX_IP_CKSUM_BAD >> 1,
- (PKT_RX_IP_CKSUM_GOOD | PKT_RX_L4_CKSUM_GOOD) >> 1);
-
- vlan0 = _mm_unpackhi_epi32(descs[0], descs[1]);
- vlan1 = _mm_unpackhi_epi32(descs[2], descs[3]);
- vlan0 = _mm_unpacklo_epi64(vlan0, vlan1);
-
- vlan1 = _mm_and_si128(vlan0, rss_vlan_msk);
- vlan0 = _mm_shuffle_epi8(vlan_flags, vlan1);
-
- rss = _mm_srli_epi32(vlan1, 11);
- rss = _mm_shuffle_epi8(rss_flags, rss);
-
- l3_l4e = _mm_srli_epi32(vlan1, 22);
- l3_l4e = _mm_shuffle_epi8(l3_l4e_flags, l3_l4e);
+ PKT_RX_RSS_HASH | PKT_RX_VLAN | PKT_RX_VLAN_STRIPPED,
+ PKT_RX_VLAN | PKT_RX_VLAN_STRIPPED,
+ PKT_RX_RSS_HASH, 0);
+
+ /* merge 4 descriptors */
+ flags = _mm_unpackhi_epi32(descs[0], descs[1]);
+ tmp_desc = _mm_unpackhi_epi32(descs[2], descs[3]);
+ tmp_desc = _mm_unpacklo_epi64(flags, tmp_desc);
+ tmp_desc = _mm_and_si128(tmp_desc, desc_mask);
+
+ /* checksum flags */
+ tmp_desc = _mm_srli_epi32(tmp_desc, 4);
+ flags = _mm_shuffle_epi8(cksum_flags, tmp_desc);
/* then we shift left 1 bit */
- l3_l4e = _mm_slli_epi32(l3_l4e, 1);
- /* we need to mask out the reduntant bits */
- l3_l4e = _mm_and_si128(l3_l4e, cksum_mask);
+ flags = _mm_slli_epi32(flags, 1);
+
+ __m128i l4_outer_mask = _mm_set_epi32(0x6, 0x6, 0x6, 0x6);
+ __m128i l4_outer_flags = _mm_and_si128(flags, l4_outer_mask);
+ l4_outer_flags = _mm_slli_epi32(l4_outer_flags, 20);
+
+ __m128i l3_l4_mask = _mm_set_epi32(~0x6, ~0x6, ~0x6, ~0x6);
+ __m128i l3_l4_flags = _mm_and_si128(flags, l3_l4_mask);
+ flags = _mm_or_si128(l3_l4_flags, l4_outer_flags);
+ /* we need to mask out the reduntant bits introduced by RSS or
+ * VLAN fields.
+ */
+ flags = _mm_and_si128(flags, cksum_mask);
+
+ /* RSS, VLAN flag */
+ tmp_desc = _mm_srli_epi32(tmp_desc, 8);
+ rss_vlan = _mm_shuffle_epi8(rss_vlan_flags, tmp_desc);
+
+ /* merge the flags */
+ flags = _mm_or_si128(flags, rss_vlan);
+
+ if (rxq->fdir_enabled) {
+ const __m128i fdir_id0_1 =
+ _mm_unpackhi_epi32(descs[0], descs[1]);
+
+ const __m128i fdir_id2_3 =
+ _mm_unpackhi_epi32(descs[2], descs[3]);
+
+ const __m128i fdir_id0_3 =
+ _mm_unpackhi_epi64(fdir_id0_1, fdir_id2_3);
+
+ const __m128i fdir_flags =
+ ice_flex_rxd_to_fdir_flags_vec(fdir_id0_3);
+
+ /* merge with fdir_flags */
+ flags = _mm_or_si128(flags, fdir_flags);
+
+ /* write fdir_id to mbuf */
+ rx_pkts[0]->hash.fdir.hi =
+ _mm_extract_epi32(fdir_id0_3, 0);
+
+ rx_pkts[1]->hash.fdir.hi =
+ _mm_extract_epi32(fdir_id0_3, 1);
- vlan0 = _mm_or_si128(vlan0, rss);
- vlan0 = _mm_or_si128(vlan0, l3_l4e);
+ rx_pkts[2]->hash.fdir.hi =
+ _mm_extract_epi32(fdir_id0_3, 2);
+
+ rx_pkts[3]->hash.fdir.hi =
+ _mm_extract_epi32(fdir_id0_3, 3);
+ } /* if() on fdir_enabled */
/**
* At this point, we have the 4 sets of flags in the low 16-bits
- * of each 32-bit value in vlan0.
+ * of each 32-bit value in flags.
* 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(vlan0, 8), 0x10);
- rearm1 = _mm_blend_epi16(mbuf_init, _mm_slli_si128(vlan0, 4), 0x10);
- rearm2 = _mm_blend_epi16(mbuf_init, vlan0, 0x10);
- rearm3 = _mm_blend_epi16(mbuf_init, _mm_srli_si128(vlan0, 4), 0x10);
+ rearm0 = _mm_blend_epi16(mbuf_init, _mm_slli_si128(flags, 8), 0x30);
+ rearm1 = _mm_blend_epi16(mbuf_init, _mm_slli_si128(flags, 4), 0x30);
+ rearm2 = _mm_blend_epi16(mbuf_init, flags, 0x30);
+ rearm3 = _mm_blend_epi16(mbuf_init, _mm_srli_si128(flags, 4), 0x30);
/* write the rearm data and the olflags in one write */
RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, ol_flags) !=
_mm_store_si128((__m128i *)&rx_pkts[3]->rearm_data, rearm3);
}
-#define PKTLEN_SHIFT 10
-
static inline void
ice_rx_desc_to_ptype_v(__m128i descs[4], struct rte_mbuf **rx_pkts,
uint32_t *ptype_tbl)
{
- __m128i ptype0 = _mm_unpackhi_epi64(descs[0], descs[1]);
- __m128i ptype1 = _mm_unpackhi_epi64(descs[2], descs[3]);
-
- ptype0 = _mm_srli_epi64(ptype0, 30);
- ptype1 = _mm_srli_epi64(ptype1, 30);
-
- rx_pkts[0]->packet_type = ptype_tbl[_mm_extract_epi8(ptype0, 0)];
- rx_pkts[1]->packet_type = ptype_tbl[_mm_extract_epi8(ptype0, 8)];
- rx_pkts[2]->packet_type = ptype_tbl[_mm_extract_epi8(ptype1, 0)];
- rx_pkts[3]->packet_type = ptype_tbl[_mm_extract_epi8(ptype1, 8)];
+ const __m128i ptype_mask = _mm_set_epi16(ICE_RX_FLEX_DESC_PTYPE_M, 0,
+ ICE_RX_FLEX_DESC_PTYPE_M, 0,
+ ICE_RX_FLEX_DESC_PTYPE_M, 0,
+ ICE_RX_FLEX_DESC_PTYPE_M, 0);
+ __m128i ptype_01 = _mm_unpacklo_epi32(descs[0], descs[1]);
+ __m128i ptype_23 = _mm_unpacklo_epi32(descs[2], descs[3]);
+ __m128i ptype_all = _mm_unpacklo_epi64(ptype_01, ptype_23);
+
+ ptype_all = _mm_and_si128(ptype_all, ptype_mask);
+
+ rx_pkts[0]->packet_type = ptype_tbl[_mm_extract_epi16(ptype_all, 1)];
+ rx_pkts[1]->packet_type = ptype_tbl[_mm_extract_epi16(ptype_all, 3)];
+ rx_pkts[2]->packet_type = ptype_tbl[_mm_extract_epi16(ptype_all, 5)];
+ rx_pkts[3]->packet_type = ptype_tbl[_mm_extract_epi16(ptype_all, 7)];
}
/**
+ * vPMD raw receive routine, only accept(nb_pkts >= ICE_DESCS_PER_LOOP)
+ *
* Notice:
* - nb_pkts < ICE_DESCS_PER_LOOP, just return no packet
- * - nb_pkts > ICE_VPMD_RX_BURST, only scan ICE_VPMD_RX_BURST
- * numbers of DD bits
+ * - floor align nb_pkts to a ICE_DESCS_PER_LOOP power-of-two
*/
static inline uint16_t
_ice_recv_raw_pkts_vec(struct ice_rx_queue *rxq, struct rte_mbuf **rx_pkts,
uint16_t nb_pkts, uint8_t *split_packet)
{
- volatile union ice_rx_desc *rxdp;
+ volatile union ice_rx_flex_desc *rxdp;
struct ice_rx_entry *sw_ring;
uint16_t nb_pkts_recd;
int pos;
uint64_t var;
- __m128i shuf_msk;
uint32_t *ptype_tbl = rxq->vsi->adapter->ptype_tbl;
-
__m128i crc_adjust = _mm_set_epi16
- (0, 0, 0, /* ignore non-length fields */
+ (0, 0, 0, /* ignore non-length fields */
-rxq->crc_len, /* sub crc on data_len */
0, /* ignore high-16bits of pkt_len */
-rxq->crc_len, /* sub crc on pkt_len */
- 0, 0 /* ignore pkt_type field */
+ 0, 0 /* ignore pkt_type field */
);
+ const __m128i zero = _mm_setzero_si128();
+ /* mask to shuffle from desc. to mbuf */
+ const __m128i shuf_msk = _mm_set_epi8
+ (0xFF, 0xFF,
+ 0xFF, 0xFF, /* rss hash parsed separately */
+ 11, 10, /* octet 10~11, 16 bits vlan_macip */
+ 5, 4, /* octet 4~5, 16 bits data_len */
+ 0xFF, 0xFF, /* skip high 16 bits pkt_len, zero out */
+ 5, 4, /* octet 4~5, low 16 bits pkt_len */
+ 0xFF, 0xFF, /* pkt_type set as unknown */
+ 0xFF, 0xFF /* pkt_type set as unknown */
+ );
+ const __m128i eop_shuf_mask = _mm_set_epi8(0xFF, 0xFF,
+ 0xFF, 0xFF,
+ 0xFF, 0xFF,
+ 0xFF, 0xFF,
+ 0xFF, 0xFF,
+ 0xFF, 0xFF,
+ 0x04, 0x0C,
+ 0x00, 0x08);
+
/**
* compile-time check the above crc_adjust layout is correct.
* NOTE: the first field (lowest address) is given last in set_epi16
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;
- /* nb_pkts shall be less equal than ICE_MAX_RX_BURST */
- nb_pkts = RTE_MIN(nb_pkts, ICE_MAX_RX_BURST);
+ /* 4 packets DD mask */
+ const __m128i dd_check = _mm_set_epi64x(0x0000000100000001LL,
+ 0x0000000100000001LL);
+ /* 4 packets EOP mask */
+ const __m128i eop_check = _mm_set_epi64x(0x0000000200000002LL,
+ 0x0000000200000002LL);
/* nb_pkts has to be floor-aligned to ICE_DESCS_PER_LOOP */
nb_pkts = RTE_ALIGN_FLOOR(nb_pkts, ICE_DESCS_PER_LOOP);
/* Before we start moving massive data around, check to see if
* there is actually a packet available
*/
- if (!(rxdp->wb.qword1.status_error_len &
- rte_cpu_to_le_32(1 << ICE_RX_DESC_STATUS_DD_S)))
+ if (!(rxdp->wb.status_error0 &
+ rte_cpu_to_le_32(1 << ICE_RX_FLEX_DESC_STATUS0_DD_S)))
return 0;
- /* 4 packets DD mask */
- dd_check = _mm_set_epi64x(0x0000000100000001LL, 0x0000000100000001LL);
-
- /* 4 packets EOP mask */
- eop_check = _mm_set_epi64x(0x0000000200000002LL, 0x0000000200000002LL);
-
- /* mask to shuffle from desc. to mbuf */
- shuf_msk = _mm_set_epi8
- (7, 6, 5, 4, /* octet 4~7, 32bits rss */
- 3, 2, /* octet 2~3, low 16 bits vlan_macip */
- 15, 14, /* octet 15~14, 16 bits data_len */
- 0xFF, 0xFF, /* skip high 16 bits pkt_len, zero out */
- 15, 14, /* octet 15~14, low 16 bits pkt_len */
- 0xFF, 0xFF, /* pkt_type set as unknown */
- 0xFF, 0xFF /*pkt_type set as unknown */
- );
/**
* Compile-time verify the shuffle mask
* NOTE: some field positions already verified above, but duplicated
pos += ICE_DESCS_PER_LOOP,
rxdp += ICE_DESCS_PER_LOOP) {
__m128i descs[ICE_DESCS_PER_LOOP];
- __m128i pkt_mb1, pkt_mb2, pkt_mb3, pkt_mb4;
- __m128i zero, staterr, sterr_tmp1, sterr_tmp2;
+ __m128i pkt_mb0, pkt_mb1, pkt_mb2, pkt_mb3;
+ __m128i staterr, sterr_tmp1, sterr_tmp2;
/* 2 64 bit or 4 32 bit mbuf pointers in one XMM reg. */
__m128i mbp1;
#if defined(RTE_ARCH_X86_64)
/* 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 */
- /* A.1 load 4 pkts desc */
+ /* A.1 load desc[3] */
descs[3] = _mm_loadu_si128((__m128i *)(rxdp + 3));
rte_compiler_barrier();
mbp2 = _mm_loadu_si128((__m128i *)&sw_ring[pos + 2]);
#endif
+ /* A.1 load desc[2-0] */
descs[2] = _mm_loadu_si128((__m128i *)(rxdp + 2));
rte_compiler_barrier();
- /* B.1 load 2 mbuf point */
descs[1] = _mm_loadu_si128((__m128i *)(rxdp + 1));
rte_compiler_barrier();
descs[0] = _mm_loadu_si128((__m128i *)(rxdp));
/* avoid compiler reorder optimization */
rte_compiler_barrier();
- /* pkt 3,4 shift the pktlen field to be 16-bit aligned*/
- const __m128i len3 = _mm_slli_epi32(descs[3], PKTLEN_SHIFT);
- const __m128i len2 = _mm_slli_epi32(descs[2], PKTLEN_SHIFT);
-
- /* merge the now-aligned packet length fields back in */
- descs[3] = _mm_blend_epi16(descs[3], len3, 0x80);
- descs[2] = _mm_blend_epi16(descs[2], len2, 0x80);
-
/* D.1 pkt 3,4 convert format from desc to pktmbuf */
- pkt_mb4 = _mm_shuffle_epi8(descs[3], shuf_msk);
- pkt_mb3 = _mm_shuffle_epi8(descs[2], shuf_msk);
+ pkt_mb3 = _mm_shuffle_epi8(descs[3], shuf_msk);
+ pkt_mb2 = _mm_shuffle_epi8(descs[2], shuf_msk);
+
+ /* D.1 pkt 1,2 convert format from desc to pktmbuf */
+ pkt_mb1 = _mm_shuffle_epi8(descs[1], shuf_msk);
+ pkt_mb0 = _mm_shuffle_epi8(descs[0], shuf_msk);
/* C.1 4=>2 filter staterr info only */
sterr_tmp2 = _mm_unpackhi_epi32(descs[3], descs[2]);
ice_rx_desc_to_olflags_v(rxq, descs, &rx_pkts[pos]);
/* D.2 pkt 3,4 set in_port/nb_seg and remove crc */
- pkt_mb4 = _mm_add_epi16(pkt_mb4, crc_adjust);
pkt_mb3 = _mm_add_epi16(pkt_mb3, crc_adjust);
+ pkt_mb2 = _mm_add_epi16(pkt_mb2, crc_adjust);
- /* pkt 1,2 shift the pktlen field to be 16-bit aligned*/
- const __m128i len1 = _mm_slli_epi32(descs[1], PKTLEN_SHIFT);
- const __m128i len0 = _mm_slli_epi32(descs[0], PKTLEN_SHIFT);
-
- /* merge the now-aligned packet length fields back in */
- descs[1] = _mm_blend_epi16(descs[1], len1, 0x80);
- descs[0] = _mm_blend_epi16(descs[0], len0, 0x80);
-
- /* D.1 pkt 1,2 convert format from desc to pktmbuf */
- pkt_mb2 = _mm_shuffle_epi8(descs[1], shuf_msk);
- pkt_mb1 = _mm_shuffle_epi8(descs[0], shuf_msk);
+ /* D.2 pkt 1,2 set in_port/nb_seg and remove crc */
+ pkt_mb1 = _mm_add_epi16(pkt_mb1, crc_adjust);
+ pkt_mb0 = _mm_add_epi16(pkt_mb0, crc_adjust);
+
+#ifndef RTE_LIBRTE_ICE_16BYTE_RX_DESC
+ /**
+ * needs to load 2nd 16B of each desc for RSS hash parsing,
+ * will cause performance drop to get into this context.
+ */
+ if (rxq->vsi->adapter->pf.dev_data->dev_conf.rxmode.offloads &
+ RTE_ETH_RX_OFFLOAD_RSS_HASH) {
+ /* load bottom half of every 32B desc */
+ const __m128i raw_desc_bh3 =
+ _mm_load_si128
+ ((void *)(&rxdp[3].wb.status_error1));
+ rte_compiler_barrier();
+ const __m128i raw_desc_bh2 =
+ _mm_load_si128
+ ((void *)(&rxdp[2].wb.status_error1));
+ rte_compiler_barrier();
+ const __m128i raw_desc_bh1 =
+ _mm_load_si128
+ ((void *)(&rxdp[1].wb.status_error1));
+ rte_compiler_barrier();
+ const __m128i raw_desc_bh0 =
+ _mm_load_si128
+ ((void *)(&rxdp[0].wb.status_error1));
+
+ /**
+ * to shift the 32b RSS hash value to the
+ * highest 32b of each 128b before mask
+ */
+ __m128i rss_hash3 =
+ _mm_slli_epi64(raw_desc_bh3, 32);
+ __m128i rss_hash2 =
+ _mm_slli_epi64(raw_desc_bh2, 32);
+ __m128i rss_hash1 =
+ _mm_slli_epi64(raw_desc_bh1, 32);
+ __m128i rss_hash0 =
+ _mm_slli_epi64(raw_desc_bh0, 32);
+
+ __m128i rss_hash_msk =
+ _mm_set_epi32(0xFFFFFFFF, 0, 0, 0);
+
+ rss_hash3 = _mm_and_si128
+ (rss_hash3, rss_hash_msk);
+ rss_hash2 = _mm_and_si128
+ (rss_hash2, rss_hash_msk);
+ rss_hash1 = _mm_and_si128
+ (rss_hash1, rss_hash_msk);
+ rss_hash0 = _mm_and_si128
+ (rss_hash0, rss_hash_msk);
+
+ pkt_mb3 = _mm_or_si128(pkt_mb3, rss_hash3);
+ pkt_mb2 = _mm_or_si128(pkt_mb2, rss_hash2);
+ pkt_mb1 = _mm_or_si128(pkt_mb1, rss_hash1);
+ pkt_mb0 = _mm_or_si128(pkt_mb0, rss_hash0);
+ } /* if() on RSS hash parsing */
+#endif
/* C.2 get 4 pkts staterr value */
- zero = _mm_xor_si128(dd_check, dd_check);
staterr = _mm_unpacklo_epi32(sterr_tmp1, sterr_tmp2);
/* D.3 copy final 3,4 data to rx_pkts */
_mm_storeu_si128
((void *)&rx_pkts[pos + 3]->rx_descriptor_fields1,
- pkt_mb4);
+ pkt_mb3);
_mm_storeu_si128
((void *)&rx_pkts[pos + 2]->rx_descriptor_fields1,
- pkt_mb3);
-
- /* D.2 pkt 1,2 set in_port/nb_seg and remove crc */
- pkt_mb2 = _mm_add_epi16(pkt_mb2, crc_adjust);
- pkt_mb1 = _mm_add_epi16(pkt_mb1, crc_adjust);
+ pkt_mb2);
/* C* extract and record EOP bit */
if (split_packet) {
- __m128i eop_shuf_mask = _mm_set_epi8(0xFF, 0xFF,
- 0xFF, 0xFF,
- 0xFF, 0xFF,
- 0xFF, 0xFF,
- 0xFF, 0xFF,
- 0xFF, 0xFF,
- 0x04, 0x0C,
- 0x00, 0x08);
-
/* and with mask to extract bits, flipping 1-0 */
__m128i eop_bits = _mm_andnot_si128(staterr, eop_check);
/* the staterr values are not in order, as the count
- * count of dd bits doesn't care. However, for end of
+ * of dd bits doesn't care. However, for end of
* packet tracking, we do care, so shuffle. This also
* compresses the 32-bit values to 8-bit
*/
/* D.3 copy final 1,2 data to rx_pkts */
_mm_storeu_si128
((void *)&rx_pkts[pos + 1]->rx_descriptor_fields1,
- pkt_mb2);
+ pkt_mb1);
_mm_storeu_si128((void *)&rx_pkts[pos]->rx_descriptor_fields1,
- pkt_mb1);
+ pkt_mb0);
ice_rx_desc_to_ptype_v(descs, &rx_pkts[pos], ptype_tbl);
/* C.4 calc avaialbe number of desc */
var = __builtin_popcountll(_mm_cvtsi128_si64(staterr));
return _ice_recv_raw_pkts_vec(rx_queue, rx_pkts, nb_pkts, NULL);
}
-int __attribute__((cold))
+/**
+ * vPMD receive routine that reassembles single burst of 32 scattered packets
+ *
+ * Notice:
+ * - nb_pkts < ICE_DESCS_PER_LOOP, just return no packet
+ */
+static uint16_t
+ice_recv_scattered_burst_vec(void *rx_queue, struct rte_mbuf **rx_pkts,
+ uint16_t nb_pkts)
+{
+ struct ice_rx_queue *rxq = rx_queue;
+ uint8_t split_flags[ICE_VPMD_RX_BURST] = {0};
+
+ /* get some new buffers */
+ uint16_t nb_bufs = _ice_recv_raw_pkts_vec(rxq, rx_pkts, nb_pkts,
+ split_flags);
+ if (nb_bufs == 0)
+ return 0;
+
+ /* happy day case, full burst + no packets to be joined */
+ const uint64_t *split_fl64 = (uint64_t *)split_flags;
+
+ if (!rxq->pkt_first_seg &&
+ split_fl64[0] == 0 && split_fl64[1] == 0 &&
+ split_fl64[2] == 0 && split_fl64[3] == 0)
+ return nb_bufs;
+
+ /* reassemble any packets that need reassembly*/
+ unsigned int i = 0;
+
+ if (!rxq->pkt_first_seg) {
+ /* find the first split flag, and only reassemble then*/
+ while (i < nb_bufs && !split_flags[i])
+ i++;
+ if (i == nb_bufs)
+ return nb_bufs;
+ rxq->pkt_first_seg = rx_pkts[i];
+ }
+ return i + ice_rx_reassemble_packets(rxq, &rx_pkts[i], nb_bufs - i,
+ &split_flags[i]);
+}
+
+/**
+ * vPMD receive routine that reassembles scattered packets.
+ */
+uint16_t
+ice_recv_scattered_pkts_vec(void *rx_queue, struct rte_mbuf **rx_pkts,
+ uint16_t nb_pkts)
+{
+ uint16_t retval = 0;
+
+ while (nb_pkts > ICE_VPMD_RX_BURST) {
+ uint16_t burst;
+
+ burst = ice_recv_scattered_burst_vec(rx_queue,
+ rx_pkts + retval,
+ ICE_VPMD_RX_BURST);
+ retval += burst;
+ nb_pkts -= burst;
+ if (burst < ICE_VPMD_RX_BURST)
+ return retval;
+ }
+
+ return retval + ice_recv_scattered_burst_vec(rx_queue,
+ rx_pkts + retval,
+ nb_pkts);
+}
+
+static inline void
+ice_vtx1(volatile struct ice_tx_desc *txdp, struct rte_mbuf *pkt,
+ uint64_t flags)
+{
+ uint64_t high_qw =
+ (ICE_TX_DESC_DTYPE_DATA |
+ ((uint64_t)flags << ICE_TXD_QW1_CMD_S) |
+ ((uint64_t)pkt->data_len << ICE_TXD_QW1_TX_BUF_SZ_S));
+
+ __m128i descriptor = _mm_set_epi64x(high_qw,
+ pkt->buf_iova + pkt->data_off);
+ _mm_store_si128((__m128i *)txdp, descriptor);
+}
+
+static inline void
+ice_vtx(volatile struct ice_tx_desc *txdp, struct rte_mbuf **pkt,
+ uint16_t nb_pkts, uint64_t flags)
+{
+ int i;
+
+ for (i = 0; i < nb_pkts; ++i, ++txdp, ++pkt)
+ ice_vtx1(txdp, *pkt, flags);
+}
+
+static uint16_t
+ice_xmit_fixed_burst_vec(void *tx_queue, struct rte_mbuf **tx_pkts,
+ uint16_t nb_pkts)
+{
+ struct ice_tx_queue *txq = (struct ice_tx_queue *)tx_queue;
+ volatile struct ice_tx_desc *txdp;
+ struct ice_tx_entry *txep;
+ uint16_t n, nb_commit, tx_id;
+ uint64_t flags = ICE_TD_CMD;
+ uint64_t rs = ICE_TX_DESC_CMD_RS | ICE_TD_CMD;
+ int i;
+
+ /* cross rx_thresh boundary is not allowed */
+ nb_pkts = RTE_MIN(nb_pkts, txq->tx_rs_thresh);
+
+ if (txq->nb_tx_free < txq->tx_free_thresh)
+ ice_tx_free_bufs_vec(txq);
+
+ nb_pkts = (uint16_t)RTE_MIN(txq->nb_tx_free, nb_pkts);
+ nb_commit = nb_pkts;
+ if (unlikely(nb_pkts == 0))
+ return 0;
+
+ tx_id = txq->tx_tail;
+ txdp = &txq->tx_ring[tx_id];
+ txep = &txq->sw_ring[tx_id];
+
+ txq->nb_tx_free = (uint16_t)(txq->nb_tx_free - nb_pkts);
+
+ n = (uint16_t)(txq->nb_tx_desc - tx_id);
+ if (nb_commit >= n) {
+ ice_tx_backlog_entry(txep, tx_pkts, n);
+
+ for (i = 0; i < n - 1; ++i, ++tx_pkts, ++txdp)
+ ice_vtx1(txdp, *tx_pkts, flags);
+
+ ice_vtx1(txdp, *tx_pkts++, rs);
+
+ nb_commit = (uint16_t)(nb_commit - n);
+
+ tx_id = 0;
+ txq->tx_next_rs = (uint16_t)(txq->tx_rs_thresh - 1);
+
+ /* avoid reach the end of ring */
+ txdp = &txq->tx_ring[tx_id];
+ txep = &txq->sw_ring[tx_id];
+ }
+
+ ice_tx_backlog_entry(txep, tx_pkts, nb_commit);
+
+ ice_vtx(txdp, tx_pkts, nb_commit, flags);
+
+ tx_id = (uint16_t)(tx_id + nb_commit);
+ if (tx_id > txq->tx_next_rs) {
+ txq->tx_ring[txq->tx_next_rs].cmd_type_offset_bsz |=
+ rte_cpu_to_le_64(((uint64_t)ICE_TX_DESC_CMD_RS) <<
+ ICE_TXD_QW1_CMD_S);
+ txq->tx_next_rs =
+ (uint16_t)(txq->tx_next_rs + txq->tx_rs_thresh);
+ }
+
+ txq->tx_tail = tx_id;
+
+ ICE_PCI_REG_WC_WRITE(txq->qtx_tail, txq->tx_tail);
+
+ return nb_pkts;
+}
+
+uint16_t
+ice_xmit_pkts_vec(void *tx_queue, struct rte_mbuf **tx_pkts,
+ uint16_t nb_pkts)
+{
+ uint16_t nb_tx = 0;
+ struct ice_tx_queue *txq = (struct ice_tx_queue *)tx_queue;
+
+ while (nb_pkts) {
+ uint16_t ret, num;
+
+ num = (uint16_t)RTE_MIN(nb_pkts, txq->tx_rs_thresh);
+ ret = ice_xmit_fixed_burst_vec(tx_queue, &tx_pkts[nb_tx], num);
+ nb_tx += ret;
+ nb_pkts -= ret;
+ if (ret < num)
+ break;
+ }
+
+ return nb_tx;
+}
+
+int __rte_cold
ice_rxq_vec_setup(struct ice_rx_queue *rxq)
{
if (!rxq)
return ice_rxq_vec_setup_default(rxq);
}
-int __attribute__((cold))
+int __rte_cold
+ice_txq_vec_setup(struct ice_tx_queue __rte_unused *txq)
+{
+ if (!txq)
+ return -1;
+
+ txq->tx_rel_mbufs = _ice_tx_queue_release_mbufs_vec;
+ return 0;
+}
+
+int __rte_cold
ice_rx_vec_dev_check(struct rte_eth_dev *dev)
{
return ice_rx_vec_dev_check_default(dev);
}
+
+int __rte_cold
+ice_tx_vec_dev_check(struct rte_eth_dev *dev)
+{
+ return ice_tx_vec_dev_check_default(dev);
+}
git.droids-corp.org / dpdk.git / blobdiff